CN217607140U - Connection structure of wiring harness connector - Google Patents
Connection structure of wiring harness connector Download PDFInfo
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- CN217607140U CN217607140U CN202221425436.1U CN202221425436U CN217607140U CN 217607140 U CN217607140 U CN 217607140U CN 202221425436 U CN202221425436 U CN 202221425436U CN 217607140 U CN217607140 U CN 217607140U
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Abstract
The utility model provides a connection structure of pencil connector belongs to pencil connector technical field. It has solved the problem of current pencil connector contact failure. This pencil connector includes that terminal and inside have the sheath of cavity, the terminal part stretches into in the cavity of sheath, connection structure has elastic first flexure strip and sets up a plurality of on the terminal lateral wall and has elastic second flexure strip including setting up a plurality of on the sheath inside wall, first flexure strip part is located between terminal and the second flexure strip that corresponds, first flexure strip inwards presss from both sides tightly and supports and lean on the lateral wall of terminal, the second flexure strip inwards presss from both sides tightly and supports and lean on corresponding first flexure strip. This connection structure has the advantage that improves pencil connector's grafting stability.
Description
Technical Field
The utility model belongs to the technical field of the pencil connector, a connection structure of pencil connector is related to.
Background
The wire harness connector is used for connecting each connecting point of an automobile circuit, is an important part on an automobile, and directly influences the transmission effect of electric power or signals according to the quality of the wire harness connector. The cost proportion that pencil plug-in connector accounted for in the car is less, nevertheless if the pencil plug-in connector quality problem leads to pencil plug-in connector to damage in the car use, detects cost of maintenance and will increase by a wide margin.
For example, chinese patent literature discloses a wire harness connector [ application number: 201420096855.4; authorization notice number: CN203747097U ], which comprises a pair of first and second connectors plugged with each other, wherein the first connector is provided with a terminal, the second connector is provided with a plug hole matched with the terminal, a first elastic metal sheet is arranged in the second connector below the plug hole, and the terminal is in clearance fit with the plug hole; the second connector is internally provided with a second elastic metal sheet above the plug hole, the outer wall of the second connector is provided with a through hole, and the through hole is internally provided with a press mounting structure which is abutted against the second elastic metal sheet.
According to the wiring harness plug-in connector with the structure, the first elastic metal sheet and the second elastic metal sheet are arranged inside the second connector, the second elastic metal sheet is pressed through the press fitting structure to deform the second elastic metal sheet, and the terminal is clamped and positioned by matching with the deformation of the first elastic metal sheet. However, in the connection mode, the first elastic metal sheet and the second elastic metal sheet are large in deformation and high in requirements on materials and the like, the first elastic metal sheet and the second elastic metal sheet are long in length, the problem that clamping force is weak exists, retaining force is insufficient, the terminal falls off, and poor contact of the wire harness plug-in connector is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem that exists among the prior art, has provided a connection structure of pencil connector, and the technical problem of solution is how to improve the grafting stability of pencil connector.
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a connection structure of pencil connector, pencil connector includes that terminal and inside have the sheath of cavity, the terminal part stretches into in the cavity of sheath, connection structure has elastic first flexure strip and sets up a plurality of on the terminal lateral wall and has elastic second flexure strip including setting up a plurality of on the sheath inside wall, first flexure strip part is located between terminal and the second flexure strip that corresponds, first flexure strip inwards press from both sides the clamp support and lean on the lateral wall of terminal, the inside clamp support of second flexure strip supports and leans on corresponding first flexure strip.
During the equipment, the terminal part stretches into in the cavity of sheath, first flexure strip part inserts between terminal and the second flexure strip that corresponds, the inside clamping of first flexure strip is supported and is leaned on the lateral wall of terminal, the second flexure strip needs the reconversion after the deformation, the second flexure strip produces the inside contraction and presss from both sides tightly and supports and lean on corresponding first flexure strip, the second flexure strip forms the structure of hanging upside down with first flexure strip to make terminal and sheath link firmly mutually, the firm degree of linking firmly is high, makes terminal and sheath difficult the breaking away from. Simultaneously set up first flexure strip in the sheath, set up the second flexure strip on the terminal, the setting of two kinds of flexure strips can reduce the deflection of first flexure strip and second flexure strip, reduces the atress of first flexure strip and second flexure strip, reduces the cracked risk of first flexure strip and second flexure strip to improve the grafting stability of pencil connector terminal and sheath, make pencil connector contact good.
In the above connection structure of a harness connector, a length of the first elastic piece in the axial direction of the sheath is substantially the same as a length of the second elastic piece in the axial direction of the sheath. This kind of structure makes the deflection of first flexure strip and second flexure strip the same basically, and the atress of even first flexure strip and second flexure strip reduces the cracked risk of first flexure strip and second flexure strip to improve the stability that pencil connector terminal and sheath were pegged graft. The first elastic sheet and the second elastic sheet may have the same length or may have a different set range.
In the above connection structure of the wire harness connector, the terminal portion is located in the middle of the first elastic pieces, and the terminal and the sheath are coaxially arranged. This kind of structure makes terminal and sheath coaxial setting, can improve the stability that terminal and sheath were pegged graft.
In the connection structure of the wire harness plug-in connector, the first elastic piece includes a connection portion for being fixedly connected with the sheath and a clamping portion for clamping the terminal, and an included angle of an obtuse angle is formed between the connection portion and the clamping portion. This kind of structure makes clamping part have bigger clamp force, makes the inside clamping that first flexure strip can be better support by, improves the grafting stability of pencil connector terminal and sheath.
In the above-described connection structure of a wire harness insertion connector, the shape of the clamping portion matches the shape of the corresponding portion of the terminal. By the structure, the clamping part can be better clamped and abutted on the terminal, and the plugging stability of the wire harness plug-in connector terminal and the sheath is improved.
In the connection structure of the wire harness connector, the number of the first elastic pieces is two, the two clamping portions are flat and flaky, the two clamping portions are arranged in parallel, and the cross section of the corresponding portion of the terminal and the clamping portions is rectangular. The structure is suitable for clamping the terminal with the square cross section of the embedded part, and the inserting stability of the wire harness inserting connector terminal and the sheath is improved.
In the connection structure of the wire harness plug-in connector, the second elastic sheet is in a long strip shape, the inner end of the second elastic sheet is fixedly connected with the terminal, the outer end of the second elastic sheet can move relative to the terminal, and the second elastic sheet is attached to the outer side wall of the terminal or an included angle of 10-20 degrees is formed between the second elastic sheet and the terminal. This kind of structure makes the inward contraction's that the second flexure strip produced through the deformation after the reconversion power bigger, makes the second flexure strip have sufficient clamping-force, improves the stability that pencil connector terminal and sheath were pegged graft, makes terminal and sheath be difficult for breaking away from.
In the above-described connection structure of a wire harness plug-in connector, an end portion of the outer end of the second elastic piece has a rounded shape. Reduce frictional force, convenient assembling.
Compared with the prior art, the utility model provides a pair of connection structure of pencil connector has following advantage:
1. the sheath of the connection structure is provided with the first elastic sheet, the terminal is provided with the second elastic sheet, the deformation of the first elastic sheet and the deformation of the second elastic sheet can be reduced, the stress of the first elastic sheet and the stress of the second elastic sheet are reduced, and the risk of breakage of the first elastic sheet and the second elastic sheet is reduced, so that the insertion stability of the terminal and the sheath of the wire harness insertion connector is improved, and the wire harness insertion connector is well contacted.
2. This connection structure makes terminal and sheath coaxial setting, can improve the stability that terminal and sheath were pegged graft.
Drawings
Fig. 1 is a sectional view of the entire structure of the present harness connector.
Fig. 2 is an overall structural schematic view of the present harness plug-in connector connection structure.
Fig. 3 is a schematic structural view of the first elastic piece of the wire harness connector.
In the figure, 1, terminal; 2. a sheath; 21. a cavity; 3. a first elastic sheet; 31. a connecting portion; 32. a clamping portion; 4. a second elastic sheet.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the present wire harness connector includes a terminal 1, a sheath 2 and a connection structure, the sheath 2 has a cavity 21 inside, and the connection structure includes a first elastic piece 3 having elasticity provided on an inner side wall of the sheath 2 and a second elastic piece 4 having elasticity provided on an outer side wall of the terminal 1.
As shown in fig. 2, in this embodiment, the number of the first elastic pieces 3 and the second elastic pieces 4 is two, the length of the first elastic pieces 3 in the axial direction of the sheath 2 is the same as the length of the second elastic pieces 4 in the axial direction of the sheath 2, in actual production, the number of the first elastic pieces 3 and the number of the second elastic pieces 4 may be three or four, the length of the first elastic pieces 3 in the axial direction of the sheath 2 is greater than the length of the second elastic pieces 4 in the axial direction of the sheath 2 by 5mm, or the length of the first elastic pieces 3 in the axial direction of the sheath 2 is less than the length of the second elastic pieces 4 in the axial direction of the sheath 2 by 5mm.
The first elastic sheet 3 comprises a connecting part 31 fixedly connected with the sheath 2 and a clamping part 32 used for clamping the terminal 1, an included angle of an obtuse angle is formed between the connecting part 31 and the clamping part 32, and the shape of the clamping part 32 is matched with that of a corresponding part on the terminal 1. As shown in fig. 3, in the present embodiment, the two clamping portions 32 are both flat and plate-shaped, and the two clamping portions 32 are arranged in parallel, and the cross section of the portion of the terminal 1 corresponding to the clamping portions 32 is rectangular.
The second elastic sheet 4 is in a long strip shape, the inner end of the second elastic sheet 4 is fixedly connected with the terminal 1, the outer end of the second elastic sheet 4 can move relative to the terminal 1, and the end part of the outer end of the second elastic sheet 4 is provided with a round circle. In this embodiment, the second elastic piece 4 forms an angle of 15 ° with the terminal 1, in practical production, the second elastic piece 4 abuts against the outer side wall of the terminal 1, and the second elastic piece 4 forms an angle of 10 ° or 20 ° with the terminal 1.
During the equipment, terminal 1 part stretches into in the cavity 21 of sheath 2, terminal 1 part is located two first flexure strip 3's centre department, terminal 1 sets up with sheath 2 is coaxial, first flexure strip 3 part inserts between terminal 1 and the second flexure strip 4 that corresponds, first flexure strip 3 inwards presss from both sides tightly and leans on the lateral wall of terminal 1, second flexure strip 4 restores to the back through deformation and inwards presss from both sides tightly and leans on corresponding first flexure strip 3, second flexure strip 4 forms the overhead hanging structure with first flexure strip 3, thereby make terminal 1 and sheath 2 peg graft and link to each other.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of terminal 1, jacket 2, cavity 21, first elastic sheet 3, connecting portion 31, clamping portion 32, second elastic sheet 4, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (8)
1. The utility model provides a connection structure of pencil connector, pencil connector includes that terminal (1) and inside have sheath (2) of cavity (21), terminal (1) part stretches into in cavity (21) of sheath (2), its characterized in that, connection structure has elastic first flexure strip (3) and sets up a plurality of on terminal (1) lateral wall and has elastic second flexure strip (4) including setting up a plurality of on sheath (2) inside wall, first flexure strip (3) part is located between terminal (1) and the second flexure strip (4) that correspond, first flexure strip (3) inside clamp is supported and is leaned on the lateral wall of terminal (1), second flexure strip (4) inside clamp is supported and is leaned on corresponding first flexure strip (3).
2. A harness connector connection structure as claimed in claim 1, wherein the first resilient tab (3) has substantially the same length in the axial direction of the sheath (2) as the second resilient tab (4).
3. A connection structure of a wire harness connector according to claim 1, wherein the terminal (1) is partially located at a middle of a plurality of the first elastic pieces (3), and the terminal (1) is coaxially disposed with the sheath (2).
4. A connection structure of a wire harness plug-in connector according to claim 1, 2 or 3, wherein the first elastic piece (3) comprises a connection portion (31) for being fixedly connected with the sheath (2) and a clamping portion (32) for clamping the terminal (1), and an included angle of an obtuse angle is formed between the connection portion (31) and the clamping portion (32).
5. A harness connector connection structure as claimed in claim 4, wherein the shape of the clamping portion (32) matches the shape of the corresponding portion of the terminal (1).
6. The connection structure of a wire harness connector according to claim 5, wherein the number of the first elastic pieces (3) is two, the two clamping portions (32) are flat pieces, the two clamping portions (32) are arranged in parallel, and the cross section of the corresponding portion of the terminal (1) to the clamping portions (32) is rectangular.
7. A connection structure of a wire harness plug-in connector according to claim 1, 2 or 3, wherein the second elastic piece (4) is long, the inner end of the second elastic piece (4) is fixedly connected with the terminal (1), the outer end of the second elastic piece is movable relative to the terminal (1), the second elastic piece (4) is attached to the outer side wall of the terminal (1) or the second elastic piece (4) and the terminal (1) form an included angle of 10-20 °.
8. A connection structure of a wire harness plug-in connector according to claim 1, 2 or 3, wherein an end portion of an outer end of the second elastic piece (4) has a round shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221425436.1U CN217607140U (en) | 2022-06-07 | 2022-06-07 | Connection structure of wiring harness connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221425436.1U CN217607140U (en) | 2022-06-07 | 2022-06-07 | Connection structure of wiring harness connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217607140U true CN217607140U (en) | 2022-10-18 |
Family
ID=83587119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221425436.1U Active CN217607140U (en) | 2022-06-07 | 2022-06-07 | Connection structure of wiring harness connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217607140U (en) |
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2022
- 2022-06-07 CN CN202221425436.1U patent/CN217607140U/en active Active
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