CN100409493C - Electrical connector for interconnecting flat circuits - Google Patents
Electrical connector for interconnecting flat circuits Download PDFInfo
- Publication number
- CN100409493C CN100409493C CNB038245787A CN03824578A CN100409493C CN 100409493 C CN100409493 C CN 100409493C CN B038245787 A CNB038245787 A CN B038245787A CN 03824578 A CN03824578 A CN 03824578A CN 100409493 C CN100409493 C CN 100409493C
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- China
- Prior art keywords
- shell
- reinforcing element
- electric connector
- flat circuits
- face
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Abstract
An electrical connector is provided for interconnecting a pair of flat circuits and includes a housing for mounting on a first flat circuit. The housing has a cavity for receiving a second flat circuit. A through passage extends from a top face of the housing through a bottom face thereof. A plurality of terminals are mounted in the housing along the cavity. The terminals have contact portions for engaging appropriate circuit contacts on the second flat circuit when the second flat circuit is inserted into the cavity. A reinforcing member includes a body portion inserted into the through passage in the housing from the top face thereof and includes a foot portion exposed at the bottom face of the housing for securing to the first flat circuit. The reinforcing member has a locking portion extending oblique to the body portion and engageable with a locking surface on the housing.
Description
Technical field
The present invention relates generally to the electric connector technology, relate in particular to a kind of electric connector that is used for the mutual connection pair of flat circuits.
Background technology
Be used for dull and stereotyped cable of terminal or circuit, the design of the electric connector of for example dull and stereotyped flexible cable, flexible print circuit and analog thereof is varied.For example, the typical connector that is used for flat circuits comprises the insulation crust with the plastic material die casting.This shell has the opening of prolongation or prolongs groove in order to accommodate an end of flat circuits, and this flat circuits has parallel, laterally spaced lead usually and exposes across its described end.Plurality of terminals is installed in the enclosure arranges that along described groove lateral separation the contact site of terminal can be complementary with laterally spaced lead in the flat circuits.Some flat circuits connectors with above-mentioned feature also can be designed for being installed on second flat circuits as printed circuit board (PCB), the lead of its terminal flat circuits that mutual connection inserts, this flat circuits have the lead of second flat circuits of mounted connector thereon.Still can run into a lot of problems when connector being fixed on second flat circuits, these connector majorities have short or smooth profile.
For instance, Figure 10-12 shows a kind of existing example that is used for the electric connector of mutual connection pair of flat circuits, is labeled as 12 usually.This connector comprises insulation or plastic casing 14, and this shell 14 has inner chamber body 16.This cavity has the opening 18 that is positioned at shell front 20, is used for inserting the flat circuits of flat flexible circuit for example in cavity 16 by the there.
Plurality of terminals 22 is inserted in the opening 24 in the shell back 26, and thus, terminal is installed in the enclosure and be spaced along inner chamber body or groove 16.Terminal has contact site 22a, is used for connecting by opening 18 being inserted into laterally spaced lead on the flat circuits of cavity 16.
Usually, electric connector 12 is fixed to a lot of modes are arranged on the basic circuit.Clearly, pair of metal reinforcing element 32 inserts pair of channels 34 from outer casing top surface 28, and this passage 34 is communicated with described end face and bottom surface 30.In other words, metal reinforcing element 32 inserts in the passage 34 along arrow A direction among Figure 12.
As shown in figure 12, each metal reinforcing element 32 comprises some claw 32a, is used to insert in the passage 34 of plastic material shell 12.Described reinforcing element also has detent 32b and is used for positioning rib 36 across enclosure.
Reinforcing element 32 is provided for connector 12 is fixed on the basic circuit, and prevents that connector from shifting out along the arrow B direction of Figure 10 and 12.This point can be by being fixed to a pair of sufficient 32a (Figure 12) on the installation pad of basic circuit, as finishing by welding.
Unfortunately, repeat to insert and shift out the process from cavity 16 in the continuous use of flat circuits and with it, the shell 14 of connector 12 has the trend of becoming flexible from metal reinforcing element 32.Claw 32a is not enough to guarantee the locking mesh between metal reinforcing element and the shell really.Many external force on the connector are exerted one's influence around imaginary axis " C " shown in Figure 11.Shell is tending towards around this imaginary axis rotation, the pivot center that this imaginary axis in use moves forward backward as connector.Described reinforcing element even the positioning rib 36 that can be tending towards around shell shake.The present invention is intended to address the above problem, and a kind of connector shell of improved flat circuits connector and the locking mesh between the reinforcing element are provided.
Summary of the invention
Therefore, the electric connector that an object of the present invention is to provide a kind of novel improved is used for the mutual connection pair of flat circuits.
In exemplary embodiments of the present invention, electric connector comprises shell, and shell has preceding coupling face, back terminal area, end face and is used to be installed in bottom surface on first flat circuits.Shell comprises the cavity that is used to accommodate second flat circuits, and cavity has the insertion opening that is positioned at the preceding coupling face of shell.At least one passage leads to the bottom surface of shell from the end face extension of shell.Plurality of terminals is installed in the enclosure along cavity.Terminal has contact site, is used for meshing when second flat circuits inserts in the cavity by opening the circuit junction on second flat circuits.Reinforcing element has body part and foot, and the passage of this body part in the end face insertion shell of shell, the bottom surface that this foot is exposed to shell is used for fixing first flat circuits.Reinforcing element has sticking department, and this sticking department favours body part and extends, and can be meshed with the locking surface on the shell.
As described here, shell is made by insulating plastics material, and reinforcing element is by the metal material manufacturing.Preferably, pair of channels and a pair of corresponding reinforcing element are arranged on the opposite side of shell.Described pair of channels is positioned at the outside, shell inner cavity body opposite end.Reinforcing element can comprise that some claws are used to insert in the passage of plastic material shell.
According to an aspect of the present invention, described passage is the L type in order to form first shank and second canted leg step, this first shank extends to its bottom surface from the end face of shell, and this second inclination shank limits groove in the end face of shell, be used to accommodate the lock part of the reinforcing element that flushes with end face.Correspondingly, reinforcing element is the L type, and the body part of reinforcing element and lock part form the inclination shank of described L type reinforcing element respectively.The body part of reinforcing element and lock part are the plane.The lock part on described plane is orientated as in the groove of passage in the outer casing top surface, and this lock part flushes with described end face.
According to another aspect of the present invention, reinforcing element is formed by the sheet material punching press, and once more, the body of reinforcing element is the plane.The foot of reinforcing element is bent into U type structure with the positive tangent reliable property of qualification with first flat circuits.U type foot is welded on the circuit route of first flat circuits along reliable property positive tangent.
Describe also in conjunction with the accompanying drawings according to following details, other purposes of the present invention, feature and advantage will be apparent.
Description of drawings
The present invention is considered to novel characteristics and will proposes in accessory claim.By the following description of reference also in conjunction with the accompanying drawings, objects and advantages of the present invention will be understood more fully, and identical in the accompanying drawings parts adopt identical numbering, wherein:
Fig. 1 is the stereogram that the present invention is used for the electric connector of mutual connection pair of flat circuits;
Fig. 2 is the top view of electric connector;
Fig. 3 is the vertical cross-section diagram of 3-3 along the line among Fig. 2;
Fig. 4 is the front view of electric connector;
Fig. 5 is the vertical cross-section diagram of 5-5 along the line among Fig. 2;
Fig. 6 is the vertical cross-section diagram of 6-6 along the line among Fig. 2;
Fig. 7 is the view of similar Fig. 6, but of the present invention first selects embodiment;
Fig. 8 is the stereogram of metal reinforcing element of the selection embodiment of Fig. 7;
Fig. 9 is the front view that is similar to Fig. 4, shows of the present invention second of part excision and selects embodiment;
Figure 10 is the stereogram of the existing connector of description in above-mentioned " background ";
Figure 11 is the top view of the existing connector of Figure 10;
Figure 12 is the vertical cross-section diagram of 12-12 along the line among Figure 11.
Embodiment
Describe in detail below with reference to accompanying drawings, at first referring to Fig. 1 and Fig. 2, the present invention is specially a kind of electric connector 40, comprises insulation crust 42, and this insulation crust 42 can be by insulating material such as plastics or analog die casting.Described shell has preceding coupling face 42a, back terminal area 42b, end face 42c and bottom surface 42d, and this bottom surface 42d is used for shell and connector are installed in hereinafter referred to as first flat circuits 43 of " matrix " circuit.
The shell 42 of connector 40 is equiped with plurality of terminals 44, and terminal 44 is inserted in the shell by some openings 46 that outer casing back connects in the face 42b.Shell comprises inner chamber body or groove 46, and this groove 46 has the insertion opening 48 in preceding coupling face 42a, is used for second flat circuits 50 (Fig. 3) is inserted wherein.
Referring to Fig. 3 and Fig. 4, and in conjunction with Fig. 1 and Fig. 2, connect a opening 46 in the face 42b by outer casing back, each terminal 44 inserts in the shell 42 along arrow D direction.Each terminal comprises foot 44a, is connected to by scolder band 45 on the circuit-line of base flat circuit.Each terminal bifurcated and the outstanding forward inner chamber body 46 that enters, terminal has a pair of contact arm 44b and terminates in contact site 44c, this contact site 44c meshes the suitable circuit-line of the opposite side of second flat circuits 50, and described second flat circuits 50 is inserted in the internal cavity 46 by opening 48.Referring to Fig. 5 and in conjunction with Fig. 3 and Fig. 4, shell limits pectinate texture, and this pectinate texture comprises rib 52a and passage 52b, as shown in Figure 5.Passage 52b accommodates the contact arm 44b of terminal, and rib 52a separates terminal separately.
The present invention considers that a kind of being used for is fixed to improvement system on the base flat circuit with connector 40.Clear and definite, as depicted in figs. 1 and 2, pair of metal reinforcing element 60 inserts pair of channels 62 by the end face 42c of shell, from the end face 42c one of shell through to bottom surface 42d.Described passage is positioned at a pair of opposing sidewalls 64 inboards of shell.
The details of metal reinforcing element 60 and passage 62 as shown in Figure 5 and Figure 6.Clearly, each passage 62 is the L type usually, and to limit the first shank 62a, the first shank 62a extends through the bottom surface 42d (Fig. 5) of shell from the end face 42c of shell.The second inclination shank 62b of L type passage forms groove in the end face 42c of connector shell.
Referring to Fig. 5 and Fig. 6, the metal reinforcing element is to be formed by the metal sheet punching press again.Each metal reinforcing element 60 also is the L type usually, and comprises planar body part 60a and plane sticking department or flange 60b, and the two is in the right angle usually to limit L type reinforcing element.As shown in Figure 5, in metal reinforcing element 60 insertion passages 62, the body 60a of reinforcing element extends through the first shank 62a of passage, and the sticking department of reinforcing element or flange 60b are positioned in the groove 62b of outer casing top surface.As shown in Figure 5, the lock flange 60b of metal reinforcing element flushes with the end face 42c of shell usually.The foot 60c of reinforcing element shank 60a end is exposed to the bottom surface 42d of shell, and is fixed on the suitable installation pad on the base flat circuit by scolder band 68.The bottom surface 70 of each groove 62b defines the locking surface that sticking department 60b connects with it.Therefore, if afterburning to connector 40 along arrow E direction (Fig. 5 and Fig. 6), the engagement of the big plane lock flange 60b by metal reinforcing element 60 and the locking surface 70 of connector shell, described power is subjected to reaction.
As shown in Figure 6, each metal reinforcing element 60 has a pair of claw 72 on the opposite edges that are positioned at the 60a of planar substrates portion, and the plastic material that is used for being cut into shell 42 in passage 62 remains on reinforcing element in their outer shell passage separately so that confining force to be provided.
Fig. 7 and Fig. 8 show first improvement project of metal reinforcing element, are labeled as 60A usually, and it provides the purpose identical with above-mentioned reinforcing element 60.It is similar to improve reinforcing element 60A and reinforcing element 60, also is the L type usually, has 60a of planar substrates portion and plane sticking department or flange 60b.In addition, the opposite edges of matrix part provide claw 72 to be used for cutting the into plastic material of shell.
Above-mentioned improvement reinforcing element 60A is that with the different of reinforcing element 60 the improvement reinforcing element among Fig. 7 and Fig. 8 comprises the additional sticking department 80 of arm shape with matrix part 60a coplane.As shown in Figure 7, these lock arms 80 are outwards outstanding from matrix part 60a, and can be meshed with the pair of locking surface 82 on the shell 42 of connector 40.
Fig. 9 shows second improvement project of metal reinforcing element, is labeled as 60B usually, and it provides the purpose identical with 60A with above-mentioned reinforcing element 60.It is similar to improve reinforcing element 60B and reinforcing element 60 and 60A, and promptly it is formed by the sheet metal punching press, is L type structure usually, has 60a of planar substrates portion and plane sticking department or flange 60b.
The difference that improves reinforcing element 60B is that the foot 60c of the end of matrix part 60a is bent into U type structure, to limit the positive tangent of reliable 60d and base flat circuit 43.The positive tangent of reliable 60d extends the whole length of the terminal 60c of the planar substrates 60a of portion, and this can understand from Fig. 6 and Fig. 7 of aforementioned schemes.U type foot is fixed on the base flat circuit by the scolder band 84 along the opposite side of the positive tangent of reliable 60d.Curvilinear surface that the advantage of U type foot is to provide very unified at the scolder band place accumulation and the suitable installation strength of improvement to be easy to scolder is provided.
Should be appreciated that the present invention under the prerequisite that does not break away from spirit of the present invention and its central characteristics, can implement with other special shape.Therefore, example of the present invention and concrete enforcement should be considered to be used for explanation rather than in order to limit.The present invention not should be understood to and is restricted to those details described above.
Claims (26)
1. electric connector (40) that is used for the mutual connection pair of flat circuits comprising:
Shell (42), it has preceding coupling face (42a), back terminal area (42b), end face (42c) and is used to be installed in bottom surface (42d) on first flat circuits, shell comprises the cavity (46) that is used to accommodate second flat circuits, described cavity has the insertion opening (48) that is arranged in coupling face before the shell, and shell has at least one passage (62) and extends through the bottom surface from its end face;
Along described cavity (46) installation plurality of terminals (44) in the enclosure, described terminal has contact site (44c), is used for meshing when described second flat circuits inserts in the cavity by described opening the circuit junction on described second flat circuits;
Reinforcing element (60), has the matrix part (60a) that inserts the passage (62) in the described shell from outer casing top surface, with comprise that being exposed to shell bottom surface place is used for fixing long narrow foot (60c) on first flat circuits, and described reinforcing element have favour that matrix part (60a) extends and can with the sticking department (60b) of locking surface (70) engagement on the shell.
2. electric connector as claimed in claim 1 comprises a pair of described passage (62), and a pair of described reinforcing element (60) that is positioned at described shell opposite sides accordingly.
3. electric connector as claimed in claim 2, wherein a pair of described passage (62) is positioned at the outside of the opposite end of described shell inner cavity body (46).
4. electric connector as claimed in claim 1, wherein said shell (42) is made by dielectric plastic material, and described reinforcing element (60) is made by metal material.
5. electric connector as claimed in claim 4, wherein said reinforcing element (60) comprises some claws (72), is used for the plastic material of the described shell of incision in described passage (62).
6. electric connector as claimed in claim 1, wherein said reinforcing element (60) is the L type, and matrix part of described reinforcing element (60a) and sticking department (60b) form the inclination shank separately of L type structure.
7. electric connector as claimed in claim 6, the matrix part (60a) and the sticking department (60b) of wherein said reinforcing element (60) are the plane.
8. electric connector as claimed in claim 7, the end face of wherein said shell (42c) comprise the groove (62b) of the sticking department (60b) that is used to accommodate the reinforcing element (60) that flushes with described end face.
9. electric connector as claimed in claim 1, wherein said passage (62) is the L type, to form first shank (62a) and the second inclination shank (62b), this first shank extends through described bottom surface (42d) from the described end face (42c) of shell, and this second inclination shank forms the sticking department (60b) of groove to accommodate the reinforcing element that flushes with described end face at the end face of described shell.
10. electric connector as claimed in claim 1, the matrix part (60a) of wherein said reinforcing element (60A) is the plane, and described sticking department is form and described matrix part coplane and outwards outstanding from described matrix part with lock arm (80).
11. electric connector as claimed in claim 10 comprises a pair of from the outwards outstanding described lock arm (80) of the opposite side of described matrix part.
12. electric connector as claimed in claim 1, wherein, the matrix part (60a) of described reinforcing element (60) is the plane, and described foot (60c) is bent into U type structure to form reliable (60d) of reinforcing element (60), and limiting the positive tangent of reliable (60d) and described first flat circuits, described U type structure has two and is parallel to each other and the arms of adjacency.
13. the described electric connector of claim 12, wherein, described reinforcing element (60) is to be formed by the metal sheet punching press.
14. electric connector as claimed in claim 12, wherein, on described U type foot (60c) is welded to setting-up piece on first flat circuits along the positive tangent of reliable (60d).
15. an electric connector (40) that is used for the mutual connection pair of flat circuits comprising:
The shell of making by dielectric plastic material (42), has preceding coupling face (42a), back terminal area (42b), end face (42c) and be used to be installed in bottom surface (42d) on first flat circuits, shell comprises the cavity (46) that is used to accommodate second flat circuits, described cavity has the insertion opening (48) that is arranged in the preceding coupling face of shell, and shell has pair of channels (62) and extends through the bottom surface from its end face, each passage (62) is the L type to form first shank (62a) and the second inclination shank, this first shank extends through its bottom surface from outer casing top surface, and this second inclination shank forms groove (62b) in the shell end face;
Along described cavity (46) installation plurality of terminals (44) in the enclosure, described terminal has contact site (44c), is used for meshing when described second flat circuits inserts in the cavity by described opening the circuit junction on described second flat circuits;
The a pair of reinforcing element of making by metal material (60), each reinforcing element has the matrix part (60a) that inserts the described pair of channels (62) in the described shell from outer casing top surface, with the sticking department (60b) that favours described matrix part (60a) extension, and be exposed to shell bottom surface place and be used for fixing long narrow foot (60c) on first flat circuits, each reinforcing element (60) is the L type with respect to L type passage (62), described matrix part (60a) forms a shank of described L type reinforcing element (60), described sticking department (60b) forms the inclination shank of described L type reinforcing element (60), and described sticking department can mesh with the locking surface (70) on the shell.
16. electric connector as claimed in claim 15, wherein, described pair of channels (62) is positioned at the outside of the opposite end of the described cavity of shell (46).
17. electric connector as claimed in claim 15, wherein, described reinforcing element (60) comprises some claws (72) that described passage is used for cutting the plastic material of described shell that are arranged in.
18. electric connector as claimed in claim 15, wherein, the described matrix part (60a) and the described sticking department (60b) of each reinforcing element are the plane.
19. electric connector as claimed in claim 15, wherein, the described matrix part (60a) of each reinforcing element (60A) is the plane, and comprises with the matrix part coplane and by the outwards outstanding additional sticking department with the form of lock arm (80) of matrix part.
20. electric connector as claimed in claim 19 comprises that a pair of described lock arm (80) is outwards outstanding from the opposite side of described matrix part (60a).
21. electric connector as claimed in claim 15, wherein, the described matrix part (60a) of each reinforcing element (60) is the plane, with and described foot (60c) be bent into U type structure forming reliable (60d) of reinforcing element (60), and limit the positive tangent of reliable (60d) and described first flat circuits.
22. electric connector as claimed in claim 21, wherein, described reinforcing element (60) is formed by the metal sheet punching press.
23. electric connector as claimed in claim 21, wherein, on described U type foot (60c) is welded to setting-up piece on described first flat circuits along the positive tangent of reliable (60d).
24. an electric connector (40) that is used for the mutual connection pair of flat circuits comprising:
Shell (42), have preceding coupling face (42a), back terminal area (42b), end face (42c) and be used to be installed in bottom surface (42d) on first flat circuits, shell comprises the cavity (46) that is used to accommodate second flat circuits, described cavity has the insertion opening (48) that is arranged in coupling face before the described shell, and shell has at least one passage (62) and extends through the bottom surface from its end face;
Along described cavity (46) installation plurality of terminals (44) in the enclosure, described terminal has contact site (44c), is used for meshing when described second flat circuits inserts in the cavity by described opening the circuit junction on described second flat circuits;
Reinforcing element (60), matrix part (60a) with plane, the described passage (62) in outer casing top surface inserts described shell, and comprise that being exposed to shell bottom surface (42d) locates to be used for fixing long narrow foot (60c) on described first flat circuits, described foot is bent into reliable (60d) and the positive tangent that limit reliable (60d) and described first flat circuits (60a) of U type structure to form reinforcing element (60), and described U type structure has two also arms of adjacency that are parallel to each other.
25. electric connector as claimed in claim 24, wherein, described reinforcing element (60) is formed by the metal sheet punching press.
26. electric connector as claimed in claim 24, wherein, described U type foot (60c) is welded on the setting-up piece of described first flat circuits along the described positive tangent of reliable (60d).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002255357 | 2002-08-30 | ||
| JP255357/2002 | 2002-08-30 | ||
| JP133491/2003 | 2003-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1689196A CN1689196A (en) | 2005-10-26 |
| CN100409493C true CN100409493C (en) | 2008-08-06 |
Family
ID=35306426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038245787A Expired - Lifetime CN100409493C (en) | 2002-08-30 | 2003-08-25 | Electrical connector for interconnecting flat circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100409493C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5688143A (en) * | 1995-09-26 | 1997-11-18 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector for use with flexible printed circuit |
| CN2402006Y (en) * | 1998-12-23 | 2000-10-18 | 富士康(昆山)电脑接插件有限公司 | Board-to-board connector |
| US6319052B1 (en) * | 2000-11-10 | 2001-11-20 | Hon Hai Precision Ind. Co., Ltd. | Flexible printed circuit connector |
| EP1198031A2 (en) * | 2000-10-13 | 2002-04-17 | Autonetworks Technologies, Ltd. | Connector with reinforcing structure for securing the connector housing to a circuit board |
| EP1198032A1 (en) * | 2000-10-13 | 2002-04-17 | F.C.I. - Framatome Connectors International | Hold down device for electrical connectors for mounting on the surface of a printed circuit board |
-
2003
- 2003-08-25 CN CNB038245787A patent/CN100409493C/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5688143A (en) * | 1995-09-26 | 1997-11-18 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector for use with flexible printed circuit |
| CN2402006Y (en) * | 1998-12-23 | 2000-10-18 | 富士康(昆山)电脑接插件有限公司 | Board-to-board connector |
| EP1198031A2 (en) * | 2000-10-13 | 2002-04-17 | Autonetworks Technologies, Ltd. | Connector with reinforcing structure for securing the connector housing to a circuit board |
| EP1198032A1 (en) * | 2000-10-13 | 2002-04-17 | F.C.I. - Framatome Connectors International | Hold down device for electrical connectors for mounting on the surface of a printed circuit board |
| US6319052B1 (en) * | 2000-11-10 | 2001-11-20 | Hon Hai Precision Ind. Co., Ltd. | Flexible printed circuit connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1689196A (en) | 2005-10-26 |
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