CN215008783U

CN215008783U - Connector and wiring harness buckle thereof

Info

Publication number: CN215008783U
Application number: CN202121553233.6U
Authority: CN
Inventors: 姚冬康; 庄友良
Original assignee: Kestar Shanghai Connector Manufacturing Co ltd; Kostal Shanghai Kontakt Systeme Co Ltd
Current assignee: Kestar Shanghai Connector Manufacturing Co ltd; Kostal Shanghai Kontakt Systeme Co Ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-03
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a connector and pencil buckle thereof, pencil buckle include the buckle body, the both ends of buckle body all are equipped with detachable connection structure, detachable connection structure is used for can dismantling the connection with the casing of terminal on assembling the pencil, the buckle body still is equipped with a plurality of being located two detachable connection structure between, for the pencil card that is used for being connected with the terminal goes into in order to prevent pencil wobbling draw-in groove, arbitrary the bottom of draw-in groove is used for the end face contact who is close to the pencil with the terminal to offset to prevent pencil axial float. The wiring harness buckle limits the wiring harness through the clamping groove so as to effectively inhibit the swinging of the wiring harness; the bottom of the clamping groove is abutted to the end face of the terminal on the wiring harness in a contact mode, so that the wiring harness is limited in the axial direction, the wiring harness can be prevented from moving in the axial direction, and the stability and the reliability of the electrical performance of the connector can be guaranteed in the transportation and use processes.

Description

Connector and wiring harness buckle thereof

Technical Field

The utility model relates to a new energy automobile technical field, in particular to pencil buckle.

The utility model discloses still relate to a connector that has this pencil buckle.

Background

With the development of new energy automobiles, the requirement on the stability of high-voltage connection in the new energy automobiles is gradually improved, and the reliability of the high-voltage connection directly determines the safety characteristic of the whole automobiles. The vibration test is used as an important tool for verifying the safety and reliability of the high-voltage connector, and can effectively simulate the test of whether the high-voltage connector can bear transportation or application environment factors in the life cycle, while the high-voltage wire harness is generally thick and has relatively large bending stress, and the influence of instability caused by the swinging of the wire harness on the connection performance of the high-voltage wire harness is multiplied in the vibration test process.

Therefore, how to avoid unstable connection performance of the high-voltage wire harness due to swinging of the high-voltage wire harness is a technical problem to be solved by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pencil buckle can effectively fix the pencil of connector crimping end to can restrain the swing of pencil. Another object of the present invention is to provide a connector including the above wire harness buckle.

In order to achieve the purpose, the utility model provides a pencil buckle, including the buckle body, the both ends of buckle body all are equipped with detachable connection structure, detachable connection structure is used for can dismantling with the casing of terminal on assembling the pencil and is connected, the buckle body still is equipped with a plurality of being located two detachable connection structure between, for the pencil card that is used for being connected with the terminal goes into in order to prevent pencil wobbling draw-in groove, arbitrary the bottom of draw-in groove is used for the end face contact who is close to the pencil with the terminal to offset, in order to prevent pencil axial float.

Optionally, the buckle body is provided with two connecting beams which connect the detachable connecting structures, and all the clamping grooves are distributed on two sides of the beams.

Optionally, a stepped cylindrical structure is arranged on the cross beam, and the clamping groove is formed inside the cylindrical structure.

Optionally, a plurality of ribs distributed along the circumferential direction are arranged in the clamping groove, and any rib protrudes towards the center direction of the clamping groove.

Optionally, the cylindrical structure is provided with an opening for adjusting the size of the slot.

Optionally, the opening is provided at a side of the cylindrical structure facing away from the cross beam.

Optionally, the buckle body is specifically an integrally injection molded buckle body.

Optionally, the detachable connection structure at either end of the clasp body comprises two structurally identical hooks.

The utility model also provides a connector, include for with the terminal assembly's on the pencil casing, still include with the casing can be dismantled connect, as above-mentioned arbitrary pencil buckle.

Optionally, both ends of the housing are provided with two hooks which are arranged in a one-to-one correspondence manner on the detachable connection structure and used for clamping the hooks into the vertical grooves of the wiring harness buckle and the housing lock.

Compared with the prior art, the embodiment of the utility model provides a pencil buckle, including the buckle body, the both ends of buckle body all are equipped with detachable connection structure, detachable connection structure be used for with assemble the casing of restrainting upper terminal can dismantle and be connected, the buckle body still is equipped with a plurality of draw-in grooves that are located between two detachable connection structure, the draw-in groove is used for supplying the pencil card that is connected with the terminal to go into in order to prevent the pencil swing, simultaneously, the bottom of arbitrary draw-in groove offsets with the terminal end face contact that is close to the pencil to can prevent the axial float of pencil. That is to say, after the buckle body is connected with the shell through the detachable connecting structures at the two ends, on one hand, the wire harness is limited through the clamping groove, so that the swinging of the wire harness is effectively inhibited; on the other hand, the bottom through the draw-in groove offsets with the terminal surface contact of pencil upper end terminal to along the spacing pencil of axial, thereby can prevent that the pencil from along axial drunkenness, can guarantee stability and the reliability of connector electric property like this in transportation and use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a wire harness buckle provided in an embodiment of the present invention;

fig. 2 is an exploded view of a connector provided in an embodiment of the present invention;

FIG. 3 is a schematic view of the assembled structure of the harness assembly, harness clip and housing of FIG. 2;

FIG. 4 is a schematic structural view of the housing of FIG. 3;

FIG. 5 is a schematic view of the housing of FIG. 3 at another angle;

FIG. 6 is a schematic view of an assembled configuration of the harness assembly and the housing assembly of FIG. 2;

fig. 7 is a schematic view of the connector according to the embodiment of the present invention after being assembled.

Wherein:

the wiring harness structure comprises a shell 1, a vertical groove 11, a bump 12, a wiring harness buckle 2, a detachable connecting structure 21, a hook 211, a cross beam 22, a cylindrical structure 23, a clamping groove 231, a rib 232, an opening 233, a shielding shell 3, a wiring harness 4 and a shell assembly 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a pencil buckle can effectively fix the pencil of connector crimping end to can restrain the swing of pencil. Another core of the present invention is to provide a connector including the above wire harness clip.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a wire harness buckle according to an embodiment of the present invention; fig. 2 is an exploded view of a connector provided in an embodiment of the present invention;

FIG. 3 is a schematic view of the assembled structure of the harness assembly, harness clip and housing of FIG. 2; FIG. 4 is a drawing showing

FIG. 3 is a schematic view of the housing; FIG. 5 is a schematic view of the housing of FIG. 3 at another angle;

FIG. 6 is a schematic view of an assembled configuration of the harness assembly and the housing assembly of FIG. 2; fig. 7 is a schematic view of the connector according to the embodiment of the present invention after being assembled.

The embodiment of the utility model provides a pencil buckle 2, including the buckle body, the both ends of buckle body all are equipped with can dismantle connection structure 21, can dismantle connection structure 21 be used for with assemble the pencil on the casing 1 of terminal can dismantle be connected to play the effect of direction and location.

Of course, in order to facilitate the assembly of the buckle body and the housing 1, the detachable connection structure 21 includes but is not limited to any structure that can realize the fixed connection between the buckle body and the housing 1, such as plugging, clamping, and using bolts. The connection of the snap body to the housing 1 is preferably realized in a snap-in manner.

Further, the buckle body still is equipped with a plurality of draw-in grooves 231 that are located between two detachable connection structure 21, and draw-in groove 231 is used for supplying the pencil card that is connected with the terminal to go into in order to prevent the pencil swing, and simultaneously, the bottom of arbitrary draw-in groove 231 offsets with the terminal is close to the terminal surface contact of pencil to can prevent the axial float of pencil.

That is to say, after the buckle body is connected with the housing 1 through the detachable connecting structures 21 at the two ends, on one hand, the wire harness is limited through the clamping groove 231, so that the swinging of the wire harness is effectively inhibited; on the other hand, the bottom through draw-in groove 231 offsets with the terminal surface contact of pencil upper end to along the spacing pencil of axial, the removal degree of freedom of restraint pencil, thereby can prevent that the pencil from following axial drunkenness, can guarantee stability and the reliability of connector electric property like this in transportation and use.

Compared with the traditional connector structure without a buckle, the wire harness buckle 2 provided by the embodiment of the utility model can effectively solve the problem that the wire harness swing at the crimping end affects the contact reliability of the connector under the high vibration environment (the highest vibration frequency reaches 2000HZ, the acceleration reaches 20g, and g is the gravity acceleration); this pencil buckle 2 is as optional structure, easily assembles, can be according to the requirement of vibration level, whether this pencil buckle 2 of free choice installation, and draw-in groove 231 on the pencil does not influence original assembly structure, and simultaneously, this pencil buckle 2 compact structure, the size is little, and its design can fully reduce the influence of outward appearance structure to the connector, can wrap up in the shield shell 3 of connector, saves space.

Specifically, the buckle body is provided with a cross beam 22 for connecting the two detachable connecting structures 21, and all the slots 231 are distributed on two sides of the cross beam 22.

For example, the number of the clamping grooves 231 may be five, wherein two clamping grooves 231 are respectively disposed at positions close to two ends of the cross beam 22, the two clamping grooves 231 at any end are disposed at the inner side of the detachable connecting structure 21, the two clamping grooves 231 are symmetrically distributed at two sides of the cross beam 22, and one clamping groove 231 is disposed at one side of the middle of the cross beam 22. In other words, two engaging grooves 231 are disposed on one side of the beam 22, and three engaging grooves 231 are disposed on the other side.

Of course, the number and the arrangement of the above-mentioned card slots 231 may be adjusted according to the wiring harnesses, and the number of the card slots 231 may be set to be equal to or more than the number of the wiring harnesses in the wiring harness assembly 4, which is not particularly limited herein.

More specifically, the cross beam 22 may be provided with a stepped cylindrical structure 23, and a locking groove 231 is formed inside the cylindrical structure 23. The clamping groove 231 is an axial through groove of the cylindrical structure 23, the length of the clamping groove 231 is equal to that of the cylindrical structure 23, and the structure of the clamping groove 231 can be designed according to clamping requirements.

Preferably, in order to ensure the stability of the clamping of the wire harness, a plurality of ribs 232 are disposed in any one of the clamping grooves 231, and any one of the ribs 232 protrudes toward the center of the clamping groove 231. After the pencil card was gone into draw-in groove 231, a plurality of bellied terminal surfaces can offset with the lateral wall contact of pencil to the realization is to the radial spacing of pencil.

In order to facilitate the adaptation to different types of wire harnesses, the cylindrical structure 23 is specifically an opening 233 structure, that is, the cylindrical structure 23 is provided with an opening 233, the length of the opening 233 is equal to the length of the cylindrical structure 23, the opening 233 penetrates along the side wall of the cylindrical structure 23, and the opening 233 is used for adjusting the size of the slot 231. Thus, when the size of the wire harness is large, the opening 233 of the cylindrical structure 23 can be appropriately opened at an angle so as to match the large-size wire harness.

Of course, the opening 233 is provided on the side of the cylindrical structure 23 facing away from the cross beam 22, according to the clamping requirements. That is to say, the opening 233 is arranged at the position farthest from the cross beam 22 on the cylindrical structure 23, so that when the wiring harness is clamped, the stress of the circumferential structure is uniform, and the service life of the clamping groove 231 is prolonged.

In order to optimize the above embodiment, the buckle body is an elastic body, and the buckle body may be an integrally injection molded buckle body, and the integrally injection molded structure body has elasticity, so that the opening 233 is enlarged when the size of the wire harness is large, and the wire harness is rapidly restored to an original state after being separated from the slot 231; meanwhile, the production efficiency is improved.

On the basis, the detachable connecting structure 21 at any end of the buckle body is preferably a clamping structure and specifically comprises two hooks 211 with the same structure, the inner side wall of any hook 211 is provided with a clamping protrusion, the two hooks 211 on the same side have a preset distance, and the distance is used for accommodating a corresponding structure on the shell 1. Correspondingly, two vertical grooves 11 which are arranged in one-to-one correspondence with the two hooks 211 on the detachable connecting structure 21 are respectively arranged at two ends of the shell 1, and the vertical grooves 11 are used for the hooks 211 to be vertically clamped in; the vertical groove 11 is internally provided with a convex block 12, and after the clamping protrusion on the inner side wall of the hook 211 crosses the convex block 12, the buckling and fixing effects of the hook 211 and the shell 1 can be realized.

The utility model provides a connector, include for with the casing 1 of the terminal assembly on the pencil, still include with casing 1 can dismantle be connected, as described above embodiment's pencil buckle 2. In addition, two vertical slots 11 are provided at both ends of the housing 1, which are provided with two hooks 211 on the detachable connection structure 21 in a one-to-one correspondence manner and used for the hooks 211 to be clamped in.

Specifically, the connector still includes shielding shell 3, pencil assembly 4 and housing assembly 5, and pencil assembly 4 is the spacing object of pencil buckle 2 promptly, and pencil assembly 4 includes whole quantity's pencil and the spare part that is used for connecting whole pencil, and pencil assembly 4 passes housing assembly 5, and two shielding shell 3 adopt the lid to close the connection, and the two is located housing assembly 5's the outside, plays fixed and protective effect. Other parts of the connector can be referred to the prior art and are not expanded herein.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

It is right above the utility model provides a connector and pencil buckle thereof have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the solution and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a pencil buckle (2), a serial communication port, includes the buckle body, the both ends of buckle body all are equipped with detachable connection structure (21), detachable connection structure (21) are used for can dismantle with casing (1) of terminal on the assembly pencil and are connected, the buckle body still is equipped with a plurality of being located two detachable connection structure (21) between, for the pencil card that is connected with the terminal is gone into in order to prevent pencil wobbling draw-in groove (231), arbitrary the bottom of draw-in groove (231) is used for offsetting with the terminal end face contact that is close to the pencil to prevent pencil axial float.

2. Harness snap (2) according to claim 1, characterized in that the snap body is provided with a cross beam (22) connecting two of the detachable connection structures (21), all the snap slots (231) being distributed on both sides of the cross beam (22).

3. The harness snap (2) according to claim 2, wherein the cross beam (22) is provided with a stepped cylindrical structure (23), and the cylindrical structure (23) is internally formed with the snap groove (231).

4. Harness snap (2) according to claim 3, characterized in that a plurality of circumferentially distributed ribs (232) are provided in the snap groove (231), any rib (232) protruding towards the center of the snap groove (231).

5. Harness clasp (2) according to claim 3, characterized in that said cylindrical structure (23) is provided with an opening (233) for adjusting the size of said slot (231).

6. Harness snap (2) according to claim 5, characterized in that the opening (233) is provided at a side of the cylindrical structure (23) facing away from the cross beam (22).

7. Harness snap (2) according to any of claims 1-6, characterized in that the snap body is embodied as an integrally injection molded snap body.

8. Harness snap (2) according to claim 7, characterized in that the detachable connection structure (21) at either end of the snap body comprises two structurally identical hooks (211).

9. Connector comprising a housing (1) intended to be fitted with a terminal on a wire harness, characterized in that it further comprises a wire harness snap (2) according to any one of claims 1 to 8, removably connected to said housing (1).

10. The connector according to claim 9, wherein two vertical slots (11) are provided at both ends of the housing (1), wherein the two vertical slots are provided corresponding to the two hooks (211) on the detachable connecting structure (21) one by one, and are used for the hooks (211) to be clamped into to realize the buckling of the harness buckle (2) and the housing (1).