CN102476368A - Sleeve joint for torsional shear wrench and torsional shear wrench - Google Patents
Sleeve joint for torsional shear wrench and torsional shear wrench Download PDFInfo
- Publication number
- CN102476368A CN102476368A CN2011103242761A CN201110324276A CN102476368A CN 102476368 A CN102476368 A CN 102476368A CN 2011103242761 A CN2011103242761 A CN 2011103242761A CN 201110324276 A CN201110324276 A CN 201110324276A CN 102476368 A CN102476368 A CN 102476368A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- nut
- fitting portion
- joint
- cover joint
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/1415—Break members; Arrangements specially adapted for break-bolts
Abstract
The invention provides a sleeve joint for torsional shear wrench and a torsional shear wrench, with the sleeve joint capable of reducing the burden for operators and facilitating replacing operation. To achieve the objective, the jogged part engaged with the nut is made into a first jogged part (10) and a second jogged part (11). In the back and forth axial direction, the first jogged part (10) is formed at the end portion of one side of a sleeve joint (8) and corresponding to a nut of M20. The second jogged part (11) is formed at the end portion of the other side, shares a shaft with the first jogged part (10), and is corresponding to a nut of M22. Moreover, recesses (14) forming the installing part installed to the external sleeve are respectively formed at two ends of the sleeve. The tightening operation can be achieved by selecting to install either end of the sleeve joint to the sleeve to correspond to the nut M20 of the first jogged part and the nut M22 of the second jogged part.
Description
Technical field
Turning round of the present invention relates to install on a kind of front end that is used to tighten the outside sleeve that turning round of high-strength bolt cut spanner cut spanner with the cover joint and used turning round of should cover saving and cut spanner.
Background technology
Cut on the spanner turning round; Top in the motor shell of receiving the dress motor is provided with body; This body has planetary gear reducing mechanism and outside sleeve, and the moment of torsion of the output shaft of motor is delivered on the planetary gear reducing mechanism, and is delivered on the sleeve of the outside through planetary gear reducing mechanism.In the sleeve of the outside, maintain inboard sleeve coaxially.
The front end of outside sleeve is installed with the cover joint; This cover joint is entrenched on the nut of torque-shear type high-strength bolt; Inboard sleeve is entrenched on the tail end wabbler of bolt tail end, under this state, motor is driven, thereby; Pass to outside sleeve after the rotation of motor output shaft is slowed down through planetary gear reducing mechanism, bolt is tightened in rotation thereby outside sleeve makes nut.If when reaching certain screw-down torque, the tail end wabbler of bolt fracture and tightening operation is finished.
The prior art document
Patent documentation
Patent documentation 1: Japanese patent of invention open communique spy open 2006-21297 number
Cut spanner for above-mentioned turning round and since the cover of outside sleeve joint can only with a kind of specifications of nuts tabling, thereby in order to adapt to the nut of plurality of specifications, the operator need prepare a plurality of covers joints, the different covers of just must will changing of the specification of nut save.Thereby the burden when spanner and a plurality of cover joint are cut in bigger the turning round of carrying weight is bigger, and the replacing of cover joint also needs spended time and labour.
Summary of the invention
In view of this, the objective of the invention is to, when a kind of the carrying is provided operator's burden less and when changing operation needed time and less the turning round of labour cut spanner with the cover joint and turn round and cut spanner.
For achieving the above object, the turning round of technical scheme 1 cut spanner and constituted with the cover joint, and it is installed in the front end of turning round the outside sleeve of cutting spanner, and can dismantle, and on inner peripheral surface, is formed with the fitting portion that is used for the nut tabling.Telescoping part is the 1st fitting portion and the 2nd fitting portion, and on axial fore-and-aft direction, the 1st fitting portion is formed on the end of a side of overlapping joint; And nut corresponding to regulatory specifications; The 2nd fitting portion is formed on the end of opposite side, and coaxial with the 1st fitting portion, corresponding to the specification nut different with above-mentioned nut; In addition, the both ends of cover joint form respectively will overlap joint be installed to outside installation portion on the sleeve.Which end through selecting overlap joint is installed on the sleeve, thereby can a cover be saved in corresponding to the nut of the 1st fitting portion and corresponding to the operation of screwing of the nut of the 2nd fitting portion this two.
Cut spanner for the turning round of technical scheme 2 that achieve the above object and constitute, it has the outside sleeve that can rotate, and the front end of this outside sleeve is installed with the cover joint, and is somebody's turn to do the energy-conservation enough dismountings of cover, and described the turning round of said cover joint use claim 1 cut spanner with the cover joint.
The invention of adopting technical scheme 1 and 2 to be put down in writing can reduce the total number corresponding to the cover joint of nut specification, and operator's burden is less when making carrying.Only need change in addition cover joint 8 towards can realizing corresponding with the nut specification, thereby can reduce the required time and the labour of replacing operation of cover joint 8.
Description of drawings
Fig. 1 turns round the local longitudinal sectional view of cutting spanner;
Fig. 2 wherein, (A) is front view for the structure key diagram of cover joint, (B) is longitudinal section, (C) is rearview;
Fig. 3 turns round the local longitudinal sectional view figure that cuts spanner for the cover joint towards being reversed to be mounted.
The specific embodiment
Specific embodiments of the invention describes with reference to the accompanying drawings.
Fig. 1 turns round the local longitudinal sectional view of an example of cutting spanner for expression; This is turned round and cuts spanner 1 and have the unshowned motor shell that is used to receive the dress motor; Above this motor shell, link to each other and vertically be provided with the body 2 of tubular; The front end of this body 2 (left side is the place ahead among Fig. 1) is keeping outside sleeve 3, and this outside sleeve 3 can rotate.In body 2, be provided with planetary gear reducing mechanism 4; The moment of torsion of motor is passed to this planetary gear reducing mechanism 4; And this planetary gear reducing mechanism 4 is connecting 3 pinion frame 5A, 5B, 5C in the axial direction, and pinion frame 5A～5C is keeping a plurality of planetary gears 6 respectively.The pinion frame 5C of the afterbody of planetary gear reducing mechanism 4 is connecting outside sleeve 3 through body 2, and can rotate with this outside sleeve 3.The front end of sleeve 3 is installed with cover joint 8 coaxially in the outside, in cover joint 8, is keeping inboard sleeve 9 coaxially.Reference numeral 7 expression be to be configured in the place ahead of pinion frame 5C coaxially and to bear sleeve through what spline was connected with inboard sleeve 9 with outside sleeve 3.
Shown in also having among Fig. 2; Cover joint 8 is the cylindrical body in the front opening that inserts outside sleeve 3; On the inner peripheral surface of this cover joint 8, be the boundary with the fore-and-aft direction middle position, be formed with the 1st fitting portion 10 and the 2nd fitting portion 11 that is positioned at rear side that are positioned at the front side coaxially; The 1st fitting portion 10 and specification are that the nut of M20 is corresponding, and the 2nd fitting portion 11 and specification are that the nut of M22 is corresponding.
In addition, on the outer peripheral face of cover joint 8, be formed with flange 12, on this flange 12, along circumferentially equally spaced forming a plurality of otch 13 in the fore-and-aft direction centre.In addition, on outer peripheral face, be formed with a pair of recess 14 as installation portion across this flange 12 to front and back, this a pair of recess 14 is that the center is the point symmetry setting with the axis of cover joint 8.In addition, the front end of sleeve 3 is screwing a pair of backstop screw 15 in the outside, and this a pair of backstop screw 15 is that the center is the point symmetry setting with the axis of outside sleeve 3.
Insert in the front opening of outside sleeve 3 which end that no matter is cover joint 8, this end can with the preceding end in contact of bearing sleeve 7, flange 12 can with the preceding end in contact of outside sleeve 3, thereby the location that cover joint 8 is realized on the fore-and-aft directions.In addition, the front end of sleeve 3 is formed with unshowned projection in the outside, and under the state that cover joint 8 is positioned, the otch 13 of this projection and flange 12 fastens, and the recess 14 and the position of backstop screw 15 are aligned.Thereby under this state, if screw backstop screw 15, then the end of this backstop screw 15 snap-fits in the recess 14, thereby cover joint 8 is installed on the sleeve 3 of the outside.
In addition, on the inner peripheral surface of inboard sleeve 9, be formed with inboard fitting portion 16, the front side portion of this inboard fitting portion 16 can with the tail end wabbler tabling of torque-shear type high-strength bolt.The rear sides of inboard fitting portion 16 is received and is being adorned pushing end cap 17 and helical spring 19, and pushing end cap 18 can move forward and backward, and central portion has the pin 18 that stretches out forward.19 pairs of pushings of helical spring end cap 17 forwards loads.In inboard sleeve 9; Back-end location in inboard fitting portion 16 is provided with baffle ring 20; The pushing end cap 17 that is loaded and advances contacts with this baffle ring 20 and makes pin 18 pass this baffle ring 20, and when pushing end cap 17 was in the position of advancing, pin 18 stretched into the central authorities of inboard fitting portion 16.
In addition, the rear sides at inboard sleeve 9 radially is provided with a plurality of card shotpins 21 that can stretch out with retraction.When pushing end cap 17 is in the position of advancing; Thereby card shotpin 21 is urged the side surface of end cap 17 and promotes to stretch out; And its end card is ended on the inner surface of cover joint 8, in the axial direction inboard sleeve 9 is connected (inboard sleeve 9 can not be produced with cover joint 8 in the axial direction to relatively move) with cover joint 8.On the inner surface of cover joint 8, circumferentially be formed with the 1st card as the fastener of card shotpin 21 respectively at the 1st fitting portion 10 and the 2nd fitting portion 11 upper edges and end recess 22 and the 2nd and block only recess 23.Thus, no matter overlapping joint 8 is in which and can both blocks mutually with the inner surface of cover joint 8 towards, card shotpin 21 and end.In addition, the inner surface near the open side of overlapping joint 8 of the 1st fastener 22 and the 2nd fastener 23 forms the inclined-plane that shoals gradually to this opening.
In addition; Between inboard sleeve 9 and planet stent 5C, be provided with outside helical spring 24; 24 pairs of inboard sleeves 9 of this outside helical spring forwards load, and the inner surface that with above-mentioned inclined-plane be in opposition side of card shotpin 21 to the 1st fastener 22 and the 2nd fastener 23 pushed.
In addition, in body 2, be provided with stock 25, thrust piece 26, inboard helical spring 27, wherein, stock 25 passes each planet stent 5A～5C of planetary gear reducing mechanism 4 and inserts in the inboard sleeve 9; Thrust piece 26 is arranged on the cephalic par of stock 25; Inboard helical spring 27 between thrust piece 26 and planet stent 5C, to thrust piece 26 to the 17 contacted progressive positions loadings of pushing end cap.The tail end wabbler ruptures and is retained in the inboard fitting portion 16 of inboard sleeve 9 when the tightening operation of nut finishes, and above-mentioned these parts have constituted will be retained in the tail end wabbler ejecting mechanism that the tail end wabblers in the inboard fitting portion 16 are released.
Have turning round of said structure when cutting spanner 1 and tightening specification using as the nut of M20; The inboard fitting portion 16 of inboard sleeve 9 is entrenched on the tail end wabbler of bolt tail end; Then; Pin 18 is retreated pushing end cap 17 by the pushing of tail end wabbler, and the card that card shotpin 21 and the 2nd card end recess 23 only is disengaged.Afterwards, the 1st fitting portion 10 of the cover joint 8 of outside sleeve 3 is entrenched on the nut of high-strength bolt, then, thereby inboard sleeve 9 is retreated can make the 1st fitting portion 10 fully with the nut tabling.Under this state, pull not shown switching manipulation bar and motor is driven, thereby the rotation of motor output shaft passes to sleeve 3 after being slowed down by each planet carrier 5A of planetary gear reducing mechanism 4～5C.Rotation is tightened bolt thereby sleeve 3 makes nut.When reaching certain screw-down torque; The tail end wabbler ruptures and rundown process is finished; Action bars is operated, and then before the stock 25 and then make thrust piece 26 will push end cap 17 push forward, pin 18 will remain in release forward behind the interior tail end plum blossom of inboard sleeve 9.
On the other hand, when being used to tighten specification and being the nut of M22, at first, backstop screw 15 is unscrewed, its engaging with respect to recess 14 is disengaged, thereby can cover joint 8 be extracted forward from outside sleeve 3.At this moment, end on the recess 23 because the card shotpin 21 of inboard sleeve 9 is stuck in the 2nd card, thus inboard sleeve 9 also with cover joint 8 by from the outside sleeve 3 pull up.
So; With outside sleeve 3 and inboard sleeve 9 from turn round cut spanner 1 and unload after; Pin 18 in the inboard fitting portion 16 that extends inboard sleeve 9 makes pushing end cap 17 overcome active force from spiral 19 to pusher is retreated; Thereby the pushing of 17 pairs of cards of pushing end cap shotpin 21 is disengaged, and allows 21 withdrawals of card shotpin.Thereby, under this state, only will overlap joint and 8 draw forward, thereby then the 2nd card inclined-plane pushing card shotpin 21 that ends recess 23 makes its card end state to be disengaged, thereby can cover joint 8 be unloaded from inboard sleeve 9.
Afterwards; The cover of pulling up is saved the upset of 8 front and back; The 1st fitting portion 10 is enclosed within on the inboard sleeve 9 that is pushing under 18 the state sold, removes the pushing of pin 18, end the 1st and only blocking on the recess 22 thereby then make card shotpin 21 stretch out card at the pushing end cap 17 that advances the effect of helical spring 19 under.So; The cover joint that is keeping inboard sleeve 98 is inserted the sleeve 3 of the outside from the place ahead, it is fastened in the recess 14, then thereby backstop screw 15 tightened; As shown in Figure 3, the 2nd fitting portion 11 that cover joint 8 is fixed on corresponding to specification M22 is positioned under the state of front side.Afterwards, can come specification according to step same as described above is that the nut of M22 is tightened.
Adopt the cover joint 8 of above-mentioned embodiment and turn round and cut spanner 1; To form the 1st fitting portion 10 and the 2nd fitting portion 11 with the fitting portion of nut tabling, on axial fore-and-aft direction, the 1st fitting portion 10 is formed on the end of a side of overlapping joint 8; And corresponding to specification is the nut of M20; The 2nd fitting portion 11 is formed on the end of opposite side, and coaxial with the 1st fitting portion 10, is the nut of M22 corresponding to specification; In addition; Form respectively at the both ends of cover joint 8 and to constitute the recess 14 that is installed to the installation portion on the sleeve 3 of the outside, be installed on the sleeve 3, thereby can a cover joint 8 be used for corresponding to the M20 nut of the 1st fitting portion 10 and corresponding to the operation of screwing of the M22 nut of the 2nd fitting portion 11 this two through which end of selecting overlap joint 8; Thereby reduced the total number corresponding to the cover joint of nut specification, operator's burden is less when making carrying.Only need change in addition cover joint 8 towards can realizing corresponding with the nut specification, thereby can reduce the required time and the labour of replacing operation of cover joint 8.
The specification of the 1st fitting portion and the pairing nut of the 2nd fitting portion is not limited to M20 and M22, also can be the combination of other specifications such as M18 and M24.
In addition, the form of installation portion also is not limited to certain recess, can increase the quantity of recess, perhaps replaces recess with through hole, suitably changes according to the mounting structure with outside sleeve to get final product.
In addition, about turning round the structure of cutting spanner itself, also can not have tail end wabbler ejecting mechanism, perhaps inboard sleeve does not only block with the cover joint mutually, when extracting, only extracts the cover joint, that is, turning round except above-mentioned embodiment cut spanner also can be applicable to the present invention.
Claims (2)
1. turn round and cut spanner with cover joint for one kind, it is installed in the front end of turning round the outside sleeve of cutting spanner, and can dismantle, and on inner peripheral surface, is formed with the fitting portion that is used for the nut tabling, it is characterized in that,
Telescoping part is the 1st fitting portion and the 2nd fitting portion, and on axial fore-and-aft direction, the 1st fitting portion is formed on the end of a side of overlapping joint; And corresponding to the nut of regulatory specifications, the 2nd fitting portion is formed on the end of opposite side, and coaxial with the 1st fitting portion; Corresponding to the specification nut different with above-mentioned nut; In addition, the both ends of cover joint form respectively will overlap joint be installed to outside installation portion on the sleeve
Which end through selecting overlap joint is installed on the sleeve, thereby can a cover be saved in corresponding to the nut of the 1st fitting portion and corresponding to the operation of screwing of the nut of the 2nd fitting portion this two.
2. turn round and cut spanner for one kind, it has the outside sleeve that can rotate, and the front end of this outside sleeve is installed with the cover joint, and should the energy-conservation enough dismountings of cover, it is characterized in that,
Said cover joint uses described the turning round of claim 1 to cut spanner with the cover joint.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010260329A JP2012110988A (en) | 2010-11-22 | 2010-11-22 | Shear wrench socket and shear wrench |
| JP2010-260329 | 2010-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102476368A true CN102476368A (en) | 2012-05-30 |
Family
ID=46089205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103242761A Pending CN102476368A (en) | 2010-11-22 | 2011-10-20 | Sleeve joint for torsional shear wrench and torsional shear wrench |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012110988A (en) |
| CN (1) | CN102476368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136608A (en) * | 2018-11-06 | 2020-05-12 | 朝程工业股份有限公司 | Electric tool |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108687705A (en) * | 2017-04-08 | 2018-10-23 | 刘志斌 | Spanner is cut in torsion |
| EP3831532B1 (en) * | 2019-12-06 | 2023-07-26 | Black & Decker Inc. | A shear wrench tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1930238A (en) * | 1931-02-11 | 1933-10-10 | Heller Arthur Courvoisier | Multiple socket wrench |
| GB935753A (en) * | 1959-01-28 | 1963-09-04 | C R Tipping & Company Ltd | Sockets for use in manipulating nuts, bolts and the like |
| GB2193134A (en) * | 1986-07-29 | 1988-02-03 | Tai Her Yang | Socket spanner |
| US20020011135A1 (en) * | 2000-06-19 | 2002-01-31 | Wayne Hall | Reversible socket wrench set |
| CN2717619Y (en) * | 2004-04-12 | 2005-08-17 | 谢智庆 | Spanner with regulating device |
| CN201189649Y (en) * | 2008-03-18 | 2009-02-04 | 许小明 | Universal wrench coordinate with spanners |
| CN201224078Y (en) * | 2008-06-17 | 2009-04-22 | 陈吉雄 | Double square holes type sleeve of wrench |
| CN101758473A (en) * | 2009-12-02 | 2010-06-30 | 上海昆杰五金工具有限公司 | Integrated sleeve |
-
2010
- 2010-11-22 JP JP2010260329A patent/JP2012110988A/en active Pending
-
2011
- 2011-10-20 CN CN2011103242761A patent/CN102476368A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1930238A (en) * | 1931-02-11 | 1933-10-10 | Heller Arthur Courvoisier | Multiple socket wrench |
| GB935753A (en) * | 1959-01-28 | 1963-09-04 | C R Tipping & Company Ltd | Sockets for use in manipulating nuts, bolts and the like |
| GB2193134A (en) * | 1986-07-29 | 1988-02-03 | Tai Her Yang | Socket spanner |
| US20020011135A1 (en) * | 2000-06-19 | 2002-01-31 | Wayne Hall | Reversible socket wrench set |
| CN2717619Y (en) * | 2004-04-12 | 2005-08-17 | 谢智庆 | Spanner with regulating device |
| CN201189649Y (en) * | 2008-03-18 | 2009-02-04 | 许小明 | Universal wrench coordinate with spanners |
| CN201224078Y (en) * | 2008-06-17 | 2009-04-22 | 陈吉雄 | Double square holes type sleeve of wrench |
| CN101758473A (en) * | 2009-12-02 | 2010-06-30 | 上海昆杰五金工具有限公司 | Integrated sleeve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111136608A (en) * | 2018-11-06 | 2020-05-12 | 朝程工业股份有限公司 | Electric tool |
| CN111136608B (en) * | 2018-11-06 | 2021-08-06 | 朝程工业股份有限公司 | Electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012110988A (en) | 2012-06-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120530 |