CN104889943A - Power tool - Google Patents

Power tool Download PDF

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Publication number
CN104889943A
CN104889943A CN201410082918.5A CN201410082918A CN104889943A CN 104889943 A CN104889943 A CN 104889943A CN 201410082918 A CN201410082918 A CN 201410082918A CN 104889943 A CN104889943 A CN 104889943A
Authority
CN
China
Prior art keywords
longitudinal axis
housing parts
housing
power tool
circuit board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410082918.5A
Other languages
Chinese (zh)
Other versions
CN104889943B (en
Inventor
付祥青
魏淦
周凤琴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Chervon Industry Co Ltd
Original Assignee
Nanjing Chervon Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Chervon Industry Co Ltd filed Critical Nanjing Chervon Industry Co Ltd
Priority to CN201410082918.5A priority Critical patent/CN104889943B/en
Priority to US14/641,573 priority patent/US10040181B2/en
Publication of CN104889943A publication Critical patent/CN104889943A/en
Application granted granted Critical
Publication of CN104889943B publication Critical patent/CN104889943B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02Construction of casings, bodies or handles
    • B25F5/021Construction of casings, bodies or handles with guiding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25FCOMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for

Abstract

The invention provides a power tool. The power tool comprises a shell for limiting a first longitudinal axis and a lighting assembly arranged on the shell. The lighting assembly comprises a plurality of lighting elements distributed around the first longitudinal axis, a circuit board used for supporting and electrically connected with the lighting elements and a main body which is used for covering the lighting elements and the circuit board and allowing light sent by the lighting elementsto go through; and the main body enables the lighting elements and the circuit board to be fixed to the shell through a fixing part. The lighting elements are distributed around the first longitudinal axis, and rays of the lighting elements can be irradiated from a plurality of different angles, so that shadows cannot appear in corresponding areas, and the lighting elements can be called shadowless lighting elements.

Description

Power tool
Technical field
The present invention relates to a kind of toolroom machine, particularly relate to a kind of power tool.
Background technology
Use when light condition difference to enable power tool, the power tool of some routines generally includes an executive component and a lighting device, to allow power tool can use when light condition difference, in existing power tool, have some power tools to be provided with an illumination component and be arranged on and trigger between trigger and housing, some power tools also had are provided with an illumination component and are arranged on the exhibition pin place of power brick.The lighting device that these power tools carry can not shine executive component clearly, because after single illumination component is irradiated on executive component, the shade forming executive component makes user can not see executive component completely clearly by the part deviating from illumination component, thus causes in operation inconvenience in some cases.
Summary of the invention
In order to solve the defect of above-mentioned prior art, the object of the present invention is to provide a kind of still can the power tool of clear illumination when light condition difference.
One embodiment of the present of invention are to provide a kind of power tool, comprise housing and a light fixture be arranged on housing that one limits the first longitudinal axis, wherein, light fixture comprise multiple illumination component around the first longitudinal axis distribution, one for support and the circuit board be electrically connected with illumination component and one for covering the main body of illumination component and circuit board at least in part, illumination component and circuit board are fixed on housing by fixture by main body.Be distributed with multiple illumination component around the first longitudinal axis, make the light of illumination component from multiple different angular illumination, thus shadow can not had in corresponding region, therefore also such illumination component can be called the illumination component of " without shadow ".
Further, housing is provided with fixture accommodation section, fixture accommodation section limits the second longitudinal axis, second longitudinal axis and the first longitudinal axis parallel, main body comprises the second lid of light that major part is set in the first lid on housing and can sends through illumination component, and fixture covers first through the second lid, second cover, illumination component and circuit board are fixed on housing.Such setting, can make illumination component be fixed on housing in limited space.
More particularly, fixture limits the 3rd longitudinal axis, 3rd longitudinal axis and the second longitudinal axis conllinear, first covers the radial direction that is provided with along the first longitudinal axis and the stop portion the first longitudinal axis movement for limiting the second cover rim extended towards the direction of the first longitudinal axis, along the radial direction of the first longitudinal axis and the groove extended away from the direction of the first longitudinal axis, away from first end and second end be arranged on housing of housing, first end is formed with an end face, second cover the radial direction that is provided with along the first longitudinal axis and away from the direction of the first longitudinal axis extend by the restriction of stop portion along the first longitudinal axis movement by stop portion, along the first longitudinal axis radial direction and away from the first longitudinal axis extend and can through the projection of groove and and the outer surface that be arranged on same plane in adjacent with end face.
As one preferably, illumination component is set to 3 around the equally distributed LED of the first longitudinal axis, fixture is set to 2 hold-down screws, second lid is provided with 3 and is respectively used to the LED accommodation section of 1 in accommodation 3 LED and 2 and is respectively used to allow 1 through hole passed in 2 hold-down screws, and the light that illumination component send can be passed in LED accommodation section.
In order to avoid illumination component is because of excessive vibration, cause the damage of illumination component or circuit board, be necessary to be provided with damper element between housing and circuit board or between main body and circuit board.
The circuit board being arranged on power tool front end needs to use wire to be electrically connected with the main circuit board of power tool, specifically, setting that can be such, power tool also comprises motor, executive component, drive the output shaft of executive component operation, for by the power transmission of motor to the transmission mechanism of output shaft be used for the main circuit board controlling motor operation, housing comprises the first housing parts for holding motor, for holding the second housing parts of transmission mechanism and the 3rd housing parts being formed as gripping for user, 3rd housing parts limits the 4th longitudinal axis, 4th longitudinal axis and the first longitudinal axis perpendicular, light fixture also comprises the guiding piece of wire and wire, one end of wire is electrically connected with circuit board, the other end of wire is electrically connected with main circuit board, guiding piece comprises the first guide portion and the second guide portion, wire via after the first leader through the second housing parts and by be arranged on the first housing parts and the second housing parts second guide portion guide.
As one preferably, first guide portion is arranged on the first lid or the second housing parts, second guide portion is arranged on the first housing parts or the second housing parts, first guide portion is positioned at and comprises the first longitudinal axis and perpendicular to the plane of the 4th longitudinal axis or top, the circumference of the second guide portion around the first longitudinal axis extend.The independent element that also can be set to that first guide portion can be set to cover with first or the second housing parts is integrated is fixedly attached on the first lid or the second housing parts, same, the independent element that also can be set to that the second guide portion can be set to be integrated with the first housing parts or the second housing parts is fixedly attached on the first housing parts or the second housing parts.
When the second housing parts is made up of metal material; second housing parts likely can produce a large amount of heats; therefore be necessary to arrange thermostable heat insulation part between the second housing parts and wire; thermal insulation barriers is used for mutually isolated for the heat in wire and the second housing parts; like this can effective guardwire; prevent wire overheated, cause losing efficacy.In another embodiment, also the insulating barrier of wire can be made up of exotic material.
Illumination component also can be used as the instruction of power brick dump energy deficiency, specifically, power tool comprises power brick, whether the electricity that at least one illumination component is used to indicate power brick is sufficient, when the electricity of power brick is inadequate, at least one illumination component produces a kind of alarm signal of human perception.
In order to the circuit board that can cover LED makes power tool more attractive in appearance, be necessary such setting, output shaft is through the first lid and the second lid, and the second lid is for hiding the gap between the first lid and the second housing parts.
By carry out below in conjunction with accompanying drawing to the detailed description realizing embodiments of the invention, should be readily appreciated that above-mentioned situation of the present invention and other situation, feature and advantage.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the impact wrench in first embodiment of the invention;
Fig. 2 is the schematic perspective view after removing half housing in Fig. 1;
Fig. 3 is the floor map of the impact wrench light fixture in Fig. 1;
Fig. 4 is the sectional view along the axis A-A in Fig. 3;
Fig. 5 is the sectional view along the axis B-B in Fig. 3;
Fig. 6 is the schematic perspective view of the impact wrench light fixture in Fig. 1;
Fig. 7 is the schematic perspective view of the first lid removing light fixture in Fig. 6;
Fig. 8 is the schematic perspective view of the second lid removing light fixture in Fig. 7;
Fig. 9 is the first structural representation covered of the light fixture in the first embodiment;
Figure 10 is the second structural representation covered of the light fixture in the first embodiment;
Figure 11 is the structural representation of a kind of embodiment that the illumination component of light fixture in the first embodiment and circuit board are installed;
Figure 12 is the structural representation of the another kind of embodiment that the illumination component of light fixture in the first embodiment and circuit board are installed;
Figure 13 is the wire of light fixture in the first embodiment and the structural representation of wire conduct;
Figure 14 is the logic diagram of the indicating circuit of the power brick dump energy of light fixture in the first embodiment;
Figure 15 is the FB(flow block) of the control method of the indicating circuit of the power brick dump energy of light fixture in the first embodiment;
Figure 16 is the schematic perspective view of the impact wrench in the second embodiment;
Figure 17 is the floor map of the impact wrench light fixture in Figure 16;
Figure 18 is the sectional view along the axis C-C in Figure 17;
Figure 19 is the sectional view along the axis D-D in Figure 17;
Figure 20 is the wire of light fixture in the second embodiment and the structural representation of wire conduct.
Detailed description of the invention
As illustrated in fig. 1 and 2, the invention provides a kind of power tool, power tool can be a kind of instrument providing the instrument of power, the instrument of electrical motor driven or air motor to drive by staff, power tool also can be the one that brill, screwdriver, spanner, annular saw, reciprocating saw or electric hammer etc. are heavy, in the following specific embodiments, be described in detail for a kind of impact wrench 100 of electrical motor driven.
Impact wrench 100 comprises housing 10, the motor 20 be contained in housing 10, the transmission mechanism 30 be contained in housing 10, to provide the energy source 40 of power, control motor 20 start and stop and the trigger 60, output shaft 70, light fixture 80, the executive component 90 that are contained in switch 50 in housing 10, open or close for trigger switch 50 to motor 20.The rotary power of motor 20 is delivered on output shaft 70 by transmission mechanism 30, and output shaft 70 drives executive component 90 to carry out operation, and light fixture 80 is used for providing illumination to user, is convenient to the position that user can see executive component 90 place clearly clearly.
Housing 10 comprises the first housing parts 11 holding motor 20, the second housing parts 12 holding transmission mechanism 30 and holds the 3rd housing parts 13 of switch 50.First housing parts 11 limits the first longitudinal axis W, second housing parts 12 and the first housing parts 11 forms a fixed connection or both be set to one, preferably, second housing parts 12 adopts different materials to make from the first housing parts 11, and such as, the first housing parts 11 is made of plastics, second housing parts is made up of metal material, as one preferably, the first housing parts 11 is made up of nylon, and the second housing parts 12 is made up of aluminium alloy.First housing parts 11 is formed by the shell combination of two half, and the second housing parts 12 is that die casting or other manufacturing process are integrally formed, and the first housing parts 11 and the second housing parts 12 are interfixed by fixture.3rd housing parts 13 is set to the grip part being convenient to user's gripping.Certainly, well known to those skilled in the art, the grip part that the first housing parts 11 and the second housing parts 12 also can grip as user.One end of 3rd housing parts 13 is connected with the second housing parts 12 with the first housing parts 11, and the other end of the 3rd housing parts 13 is formed with the exhibition pin for installing energy source 40.
Motor 20 can be set to electro-motor or air motor, and as one preferably, motor 20 is set to electro-motor.
The rotary motion of motor is delivered on output shaft 70 by transmission mechanism 30.Transmission mechanism 30 is as one structure well known to those skilled in the art, and as the structure in US Patent No. 6733414B2, the transmission mechanism disclosed in US6733414B2, in this as quoting basis, does not make Digital ID in illustrations.Specifically, transmission mechanism 30 comprises the one group of planet circular system be connected with motor drive shaft, and rotary power is delivered in axle by the planet carrier through this group planet circular system, and axle is provided with hammer, and hammer anvil and output shaft 70 are without being connected in relative rotation.Axle is formed with the first groove, the inner peripheral surface of hammer is formed with the second groove, and hammer is socketed with axle by being contained in roller between the first groove and the second groove, and therefore, axle can by roller to hammering transmitting torque into shape.Hammer into shape and be formed with the first protuberance towards the end face of hammer anvil, hammer anvil is formed with second protuberance that can connect with the first protuberance side towards the end face correspondence of hammer, therefore, hammers cooperation by the first protuberance and the second protuberance into shape to hammer anvil transmitting torque.Hammer is also connected with flexible member, hammers the trend had under the bias voltage of flexible member to hammer anvil movement into shape.Therefore, when impact wrench 100 is under normal output state, hammer into shape by the cooperation of the first protuberance and the second protuberance to hammer anvil transmitting torque; When the output of impact wrench 100 is hampered, hammer into shape the bias voltage slow astern segment distance of opposing flexible member, first protuberance is correspondingly separated with the second protuberance, then hammer into shape under the bias voltage of flexible member and will move forward rotatably, first protuberance and the second protuberance correspondingly side connect and produce and hit, and when output continues to be hampered, said process occurs repeating, thus produce the intermittent impulsive torque increased.
Energy source 40 can be set to provide the power brick of dc source or provide the civil power of AC power, and as one preferably, energy source 40 is set to provide galvanic power brick.
Switch 50 can be set to not only for controlling the start and stop of motor, also can as required, with governor motor 20 rotating speed and turn to.Trigger 60 is arranged in the 3rd housing parts 13, and user can carry out the rotating speed of governor motor 20 according to the amount of being pressed of trigger, can turning to according to the commutation toggle governor motor 20 that trigger 60 is arranged.
Output shaft 70 is by clamp assemblies (sign) mounted thereto clamping executive component 90, and the rotation of output shaft 70 drives executive component 90 to carry out operation.Light fixture 80 can allow user see the position at executive component 90 or workpiece place clearly, is convenient to user and carries out operation accurately.
As shown in Fig. 3-13, hereafter emphasis is described in detail the light fixture 80 be arranged on impact wrench 100.
Light fixture 80 is installed on the housing 10, light fixture 80 comprise multiple illumination component 81, distributed around the first longitudinal axis W for support and the circuit board 82, be electrically connected with illumination component 81 for covering illumination component 81 and circuit board 82 and the main body 83 of the light that illumination component 81 send, wire 84, the guiding piece 85 of wire 84 and fixture 86 can being passed.Illumination component 81 and circuit board 82 are fixed on the second housing parts 12 by fixture 86 by main body 83.Around multiple illumination components 81 of the first longitudinal axis distribution, make the light of illumination component 81 from multiple different angular illumination, thus shadow can not had in corresponding region, therefore also such illumination component can be called the illumination component of " without shadow ".In one embodiment, illumination component 81 is set to 3 around the equally distributed pins type LED of the first longitudinal axis, main body 83 comprises the second lid 831 that major part is set in the first lid 830 on housing and can passes the light that illumination component send, fixture 86 is set to 2 hold-down screws, second lid 831 is provided with 3 light being respectively used to the LED accommodation section 833 of 1 in accommodation 3 LED and 2 and being respectively used to allow 1 through hole passed 834, LED accommodation section 833 in 2 hold-down screws can pass illumination component to send.First lid 830 and the second lid 831 can be made up of transparent material, also can be that in both is arranged to transparent material, and the first lid 830 and the second lid 831 also can be arranged to integrally formed.In another kind of embodiment, as shown in figure 12, illumination component 81 is set to 3 around the equally distributed adopting surface mounted LED of the first longitudinal axis, thus reduces the space that illumination component 81 and circuit board 82 take further.Well known to those skilled in the art, the light that illumination component 81 sends not necessarily needs through main body 83, also can be arranged to illumination component 81 and circuit board 82 is contained in main body 83 at least in part, and the light that illumination component sends is arranged on outside main body 83.
Here teach the first lid 830 and second and cover the situation that 831 are arranged to the independent part that two are separated, second housing parts 12 is provided with fixture accommodation section 120, fixture accommodation section 120 limits the second longitudinal axis X, second longitudinal axis X is parallel with the first longitudinal axis W, and the first lid 830, second lid 831, illumination component 81 and circuit board 82 are fixed on the second housing parts 12 through the second lid 831 by fixture 86.Such setting, can make illumination component 81 be fixed to compactly on the second housing parts 12 in limited space.
More particularly, fixture 86 limits the 3rd longitudinal axis Y, 3rd longitudinal axis Y and the second longitudinal axis X conllinear, first lid 830 be provided with radial direction along the first longitudinal axis W and extend towards the direction of the first longitudinal axis W for limiting the stop portion 835 of the second lid 831 along the first longitudinal axis movement, along the radial direction of the first longitudinal axis W and the groove 836 extended away from the direction of the first longitudinal axis W, away from first end 837 and second end 838 be arranged on the second housing parts of the second housing parts 12, first end 837 is formed with an end face 839, second lid 831 be provided with radial direction along the first longitudinal axis W and away from the direction of the first longitudinal axis W extend limited by stop portion 835 along the first longitudinal axis W movement by stop portion 8310, along the first longitudinal axis W radial direction and away from the first longitudinal axis W extend and can through the projection 8311 of groove 836 and and the outer surface 8312 that be arranged on same plane in adjacent with end face 839.In order to the circuit board that can cover LED makes power tool more attractive in appearance, be necessary such setting, the first lid 830 and the second lid 831 are through output shaft, and the second lid is for hiding the gap between the first lid and the second housing parts.
Some vibrations can be produced in the process of impact wrench 100 operation, in order to avoid these vibrations produced cause the damage of illumination component 81 or circuit board 82, be necessary to be provided with damper element 87 between the second housing parts 12 and circuit board 83 or between main body 83 and circuit board 82, in one embodiment, damper element 87 is for being arranged on the elastomeric O-type circle between circuit board 82 and the second housing parts 12, in another kind of embodiment, damper element 87 is for being arranged on the multiple rubber columns between circuit board 82 and main body 83.
When being installed on impact wrench 100 to make light fixture 80, structure is compacter, the circuit board being arranged on impact wrench 100 front end needs to use wire 84 to be electrically connected with the main circuit board 51 of impact wrench 100, make illumination component 81 can provide the energy by power brick, well known to those skilled in the art, illumination component 81 also can arrange the power supply be independently arranged on housing 11, as button cell etc.In addition, be necessary such setting, allow wire 84 can not be subject to the greasy dirt of the transmission mechanism 30 in the second housing parts 12, specifically, 3rd housing parts 13 limits the 4th longitudinal axis Z, 4th longitudinal axis Z and the first longitudinal axis W perpendicular, one end of wire 84 is electrically connected with circuit board 82, the other end of wire 84 is electrically connected with main circuit board 51, guiding piece 85 comprises the first guide portion 850 and the second guide portion 851, wire 84 is guided by the second guide portion 851 be arranged on the first housing parts 11 and the second housing parts 12 through the second housing parts 12 via after the first leader 850.
As one preferably, first guide portion 850 is arranged on the first lid 830 or the second housing parts 12, second guide portion 851 is arranged on the first housing parts 11 or the second housing parts 12, second housing parts 12 can partly be contained in the first housing parts 11, first guide portion 850 is positioned at and comprises the first longitudinal axis W and perpendicular to the plane of the 4th longitudinal axis Z or top, the circumference of the second guide portion 851 around the first longitudinal axis W extend.First guide portion 850 can be set to cover with first 830 or second the independent element that also can be set to that is integrated of housing parts 12 be fixedly attached on the first lid 830 or the second housing parts 12, same, the independent element that also can be set to that the second guide portion 851 can be set to be integrated with the first housing parts 11 or the second housing parts 12 is fixedly attached on the first housing parts 11 or the second housing parts 12.Such setting, effectively avoids the oil pollution that wire 84 is subject to the transmission mechanism 30 in the second housing parts 12.In addition, first guide portion 850 is arranged on and comprises the first longitudinal axis W and perpendicular in the plane of the 4th longitudinal axis Z or top, if make complete machine structure compacter and avoid the below being arranged on this plane to make complete machine structure become large, especially finger platform region more than switch below the second housing parts can be made to become large, cause that user is more difficult to be prevented in finger platform region.
In one case; exotic material and heat-barrier material are required; especially the second housing parts 12 is made up of metal material; when impact wrench 100 is when working long hours; second housing parts 12 likely can produce a large amount of heats; therefore be necessary to arrange thermostable heat insulation part 88 between the second housing parts 12 and wire 84; thermal insulation barriers 88 is for by mutually isolated for the heat in wire 84 and the second housing parts 12; like this can effective guardwire; prevent wire overheated, cause losing efficacy.In another embodiment, also the insulating barrier of wire can be made up of exotic material.As one preferably, thermal insulation barriers 88 is set to heat-shrinkable T bush or Huang Laguan.
Illumination component 81 also can be used as the instruction of power brick dump energy deficiency, wherein, whether the electricity that at least one illumination component is used to indicate power brick is sufficient, and when the electricity of power brick is inadequate, at least one illumination component produces a kind of alarm signal of human perception.Specifically, as shown in FIG. 14 and 15, the indicating circuit 89 of dump energy deficiency comprises trigger control module 890, power module 891, illumination component control module 892, voltage signal detection module 893 and illumination component indicating module 894.User's closure trigger control module 890 makes power module 891 that the energy can be provided to illumination component control module 892, preset voltage value in the voltage signal detected by voltage signal detection module 893 and power brick is compared, when the voltage signal that voltage signal detection module 893 detects is higher than preset voltage value, illumination component 81 shows white light, when the voltage signal that voltage signal detection module 893 detects is lower than preset voltage value, illumination component 81 shows ruddiness.Well known to those skilled in the art, illumination component 81 can send the signal of other human perception, as illumination component 81 glimmers, or additionally arranges buzzer, when detecting that dump energy is not enough, then and buzzing.
As shown in figs. 16-20, an alternative embodiment of the invention provides a kind of power tool, as one preferably, still for a kind of impact wrench 100 ' of electrical motor driven.
The first housing parts 11 ', the second housing parts 12 ' and the 3rd housing parts 13 ' that comprise unlike the housing 10 ' of, impact wrench 100 ' with a upper embodiment form by the shell combination of two half.
Furthermore, light fixture 80 ' is arranged on the second housing parts 12 ', illumination component 81 ' is arranged on circuit board 82 ', the main body 83 ' of the light that can send through illumination component 81 ' covers in illumination component 81 ' and circuit board 82 ', circuit board 82 ' is electrically connected with main circuit board 51 ' by wire 84 ', wire guide 85 ' comprises the first guide portion 850 ' being arranged on the second housing parts 12 ' and the second guide portion 851 ' being arranged on the second housing parts 12 ', the first lid 830 ' in main body 83 ' and the second lid 831 ' are fixed on the second housing parts 12 ' by fixture 86 '.
When mentioning annexation term in literary composition, as " connection ", " fixing " and " accommodation " etc., its can be understood as an element directly connect, fixing or be received on another element, also can be understood as an element by third element or manyly indirectly to connect, fixing or be received on another element.
The space relative terms that the present invention mentions, as " top ", " below " and " interior " etc. is here for convenience of description and uses to describe an element or the feature relation relative to another element as shown in the figure or feature.Space relative terms can be intended to comprise using or placement directions different in operation except the direction described in figure.Such as, if impact wrench is in the drawings reversed simply by removing the current, then describes direction accordingly and also will turn around.
Disclosed power tool is not limited to the structure representated by the content described in above embodiment and accompanying drawing.The apparent change that basis of the present invention is done the technical program, to substitute or amendment, all within the scope of protection of present invention.

Claims (10)

1. a power tool, comprise housing and a light fixture installed on the housing that one limits the first longitudinal axis, it is characterized in that: described light fixture comprise multiple illumination component around described first longitudinal axis distribution, one for support and the circuit board be electrically connected with described illumination component and one for covering the main body of described illumination component and described circuit board at least in part, described illumination component and described circuit board are fixed on described housing by fixture by described main body.
2. power tool according to claim 1, it is characterized in that: described housing is provided with fixture accommodation section, described fixture accommodation section limits the second longitudinal axis, described second longitudinal axis and described first longitudinal axis parallel, described main body comprises sheathed the first lid on the housing of major part and covers with second of the light that can send through described illumination component, and described fixture covers described first through described second lid, described second lid, described illumination component and described circuit board are fixed on described housing.
3. power tool according to claim 2, it is characterized in that: described fixture limits the 3rd longitudinal axis, described 3rd longitudinal axis and described second longitudinal axis conllinear, described first covers the radial direction that is provided with along described first longitudinal axis and the stop portion described first longitudinal axis movement for limiting described second cover rim extended towards the direction of described first longitudinal axis, along the radial direction of described first longitudinal axis and the groove extended away from the direction of described first longitudinal axis, away from first end and installation second end on the housing of described housing, described first end is formed with an end face, described second cover the radial direction that is provided with along described first longitudinal axis and away from the direction of described first longitudinal axis extend by the restriction of described stop portion along described first longitudinal axis movement by stop portion, along described first longitudinal axis radial direction and away from described first longitudinal axis extend and can through the projection of described groove and with described end face the adjacent and outer surface be arranged in same plane.
4. power tool according to claim 3, it is characterized in that: described illumination component is set to 3 around the equally distributed LED of described first longitudinal axis, described fixture is set to 2 hold-down screws, described second lid is provided with 3 and is respectively used to hold the LED accommodation section of 1 in described 3 LED and 2 and is respectively used to allow 1 through hole passed in described 2 hold-down screws, and the light that described illumination component send can be passed in described LED accommodation section.
5. power tool according to claim 1, is characterized in that: between described housing and described circuit board or between described main body and described circuit board, be provided with damper element.
6. power tool according to claim 2, it is characterized in that: described power tool also comprises motor, executive component, drive the output shaft of described executive component operation, for by the power transmission of described motor to the transmission mechanism of described output shaft be used for the main circuit board controlling described motor operation, described housing comprises the first housing parts for holding described motor, for holding the second housing parts of described transmission mechanism and the 3rd housing parts being formed as gripping for user, described 3rd housing parts limits the 4th longitudinal axis, described 4th longitudinal axis and described first longitudinal axis perpendicular, described light fixture also comprises the guiding piece of wire and described wire, one end of described wire is electrically connected with described circuit board, the other end of described wire is electrically connected with described main circuit board, described guiding piece comprises the first guide portion and the second guide portion, described wire via after described first leader through described second housing parts and by be arranged on described first housing parts and the second housing parts second guide portion guide.
7. power tool according to claim 6, it is characterized in that: described first guide portion is arranged on described first lid or described second housing parts, described second guide portion is arranged on described first housing parts or described second housing parts, described first guide portion is positioned at and comprises described first longitudinal axis and perpendicular to the plane of described 4th longitudinal axis or top, the circumference of described second guide portion around described first longitudinal axis extend.
8. power tool according to claim 6, is characterized in that: described power tool also comprises the thermal insulation barriers be arranged between described second housing parts and described wire.
9. power tool according to claim 6, it is characterized in that: described power tool comprises power brick, whether the electricity that at least one illumination component is used to indicate described power brick is sufficient, when the electricity of described power brick is inadequate, at least one illumination component described produces a kind of alarm signal of human perception.
10. power tool according to claim 6, is characterized in that: described output shaft is through described first lid and described second lid, and described second lid is for hiding the gap between described first lid and described second housing parts.
CN201410082918.5A 2014-03-07 2014-03-07 Power tool Active CN104889943B (en)

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CN201410082918.5A CN104889943B (en) 2014-03-07 2014-03-07 Power tool
US14/641,573 US10040181B2 (en) 2014-03-07 2015-03-09 Hand-held power tool with lighting element

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CN201410082918.5A CN104889943B (en) 2014-03-07 2014-03-07 Power tool

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CN104889943A true CN104889943A (en) 2015-09-09
CN104889943B CN104889943B (en) 2017-06-30

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004174670A (en) * 2002-11-27 2004-06-24 Hitachi Koki Co Ltd Power tool
CN2677098Y (en) * 2003-12-26 2005-02-09 车王电子股份有限公司 Power tool
DE102011075663A1 (en) * 2011-05-11 2012-11-15 Robert Bosch Gmbh Hand-held machine tool i.e. battery-rotary impact screw driver, has lighting unit for section-wise lighting of working field assigned to machine tool during operation and comprising lighting elements, and lens arranged at locking device
CN103231350A (en) * 2013-04-24 2013-08-07 上海拓步企业发展有限公司 Electric tool with rotatable multi-lamp lighting structure
US8506108B2 (en) * 2009-02-25 2013-08-13 Black & Decker Inc. Power tool with light for illuminating a workpiece
CN203228209U (en) * 2013-04-24 2013-10-09 上海拓步企业发展有限公司 Electric tool with multi-lamp lighting structure
CN203792296U (en) * 2014-03-07 2014-08-27 南京德朔实业有限公司 Power tool

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004174670A (en) * 2002-11-27 2004-06-24 Hitachi Koki Co Ltd Power tool
CN2677098Y (en) * 2003-12-26 2005-02-09 车王电子股份有限公司 Power tool
US8506108B2 (en) * 2009-02-25 2013-08-13 Black & Decker Inc. Power tool with light for illuminating a workpiece
DE102011075663A1 (en) * 2011-05-11 2012-11-15 Robert Bosch Gmbh Hand-held machine tool i.e. battery-rotary impact screw driver, has lighting unit for section-wise lighting of working field assigned to machine tool during operation and comprising lighting elements, and lens arranged at locking device
CN103231350A (en) * 2013-04-24 2013-08-07 上海拓步企业发展有限公司 Electric tool with rotatable multi-lamp lighting structure
CN203228209U (en) * 2013-04-24 2013-10-09 上海拓步企业发展有限公司 Electric tool with multi-lamp lighting structure
CN203792296U (en) * 2014-03-07 2014-08-27 南京德朔实业有限公司 Power tool

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