CN113948902A

CN113948902A - Integral connector structure of new energy automobile

Info

Publication number: CN113948902A
Application number: CN202111194398.3A
Authority: CN
Inventors: 姜南; 刘磊; 陈焕毅; 梁元明; 陈拥华; 朱芳; 刘志勇; 周知明; 左洋慧
Original assignee: Jits Comm Co ltd
Current assignee: Jits Comm Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-01-18

Abstract

The invention relates to the technical field of connector equipment, and discloses an integral connector structure of a new energy automobile. An annular step part is arranged in the connecting hole, and the clamping ring is abutted against the step part. The rand includes annular rand body, and the fixed part is connected on the rand body. The fixing part is uniformly provided with a plurality of yielding grooves in the circumferential direction. A bending part is arranged between the collar body and the fixing part. The collar is fixed in the housing during injection molding. The middle of the terminal end is provided with a jack, and the outer side wall of the jack is provided with a first inclined guide surface. The invention improves the production efficiency and the assembly efficiency of the connector and improves the finished product quality of the connector.

Description

Integral connector structure of new energy automobile

Technical Field

The invention relates to the technical field of connector equipment, in particular to an integral connector structure of a new energy automobile.

Background

Automotive connectors are a component that is frequently accessed by technicians of vehicle electrical control systems. The function of the device is to connect the blocked or isolated circuit modules in the circuit, so that the circuit is communicated among the modules, and the circuit of the vehicle can realize the preset function. Automotive connectors are widely varied in form and construction and are primarily composed of four basic structural components, namely contacts, housings, insulators and accessories. Automotive connectors are also commonly referred to in the industry as boots, connectors, or molded cases.

In recent years, new energy vehicles have higher degree of modularization, and higher requirements are also put on vehicle connectors. As shown in fig. 7 and 8, the conventional automotive connector is mainly clamped on the terminal by a clamp spring to prevent the terminal from being separated, and has the following disadvantages: 1. when the clamp spring and the terminal are assembled, the clamp spring is difficult to assemble, so that the labor cost of an assembling process is high; 2. the electroplated layer on the surface of the terminal is easy to scrape off during assembly, so that the quality of the product is influenced; 3. easily lead to the jump ring in the assembly process elastic failure.

Disclosure of Invention

The invention aims to provide an integral connector structure of a new energy automobile, which is convenient to produce and assemble.

In order to achieve the purpose, the invention provides an integral connector structure of a new energy automobile, which comprises a shell and a terminal, wherein a connecting hole is formed in the shell, an annular clamping ring is fixedly connected in the connecting hole, a fixing part bent along the axial direction is arranged on the clamping ring, and the terminal is connected to the fixing part in a clamping mode.

Preferably, an annular step portion is provided in the connection hole, and the collar abuts against the step portion.

Preferably, the collar comprises an annular collar body to which the securing portion is attached.

Preferably, the fixing part is uniformly provided with a plurality of yielding grooves in the circumferential direction.

Preferably, a bending part is arranged between the collar body and the fixing part.

Preferably, the collar is fixed within the housing by injection moulding.

Preferably, the middle of the terminal end is provided with a jack, and the outer side wall of the jack is provided with a first inclined guide surface.

As preferred scheme, be equipped with guide ring, spacing collar on the middle section of terminal, be equipped with between guide ring and the spacing collar with fixed part complex constant head tank, the guide ring includes the guide ring body, the guide ring body is equipped with the second spigot surface in the one side that is close to the jack.

As preferred scheme, be equipped with sealed draw-in groove in the below of spacing collar on the lateral wall of terminal, be equipped with the sealing washer in the sealed draw-in groove.

As preferred scheme, the sealing washer extrusion sets up between sealed draw-in groove and connecting hole.

The invention provides an integral connector structure of a new energy automobile, which comprises a shell and a terminal, wherein the shell is of a shell structure of the connector, a connecting hole is formed in the shell, an annular clamping ring is fixedly connected in the connecting hole, a fixing part bent along the axial direction is arranged on the clamping ring, and the terminal is connected to the fixing part in a clamping mode. The installation process is quick and convenient, the efficiency of terminal installation is greatly improved, a clamp spring is not needed, the labor cost of assembly is reduced, the problem caused by elastic failure of the clamp spring is avoided, and the quality problem caused by scraping of a plating layer on the surface of the terminal is also avoided.

Drawings

Fig. 1 is a schematic cross-sectional view of an integrated connector structure of a new energy automobile in an embodiment of the invention;

fig. 2 is a partial structural schematic diagram of the new energy automobile integral connector structure at a in fig. 1;

fig. 3 is an exploded schematic view of an integrated connector structure of a new energy vehicle in an embodiment of the invention;

FIG. 4 is a schematic cross-sectional view of a collar in an embodiment of the invention;

FIG. 5 is a schematic perspective view of a collar in an embodiment of the invention;

fig. 6 is a schematic front view of the terminal in the embodiment of the present invention;

FIG. 7 is a cross-sectional schematic view of a prior art connector structure;

FIG. 8 is a schematic view of a portion of the connector structure of FIG. 7 at B;

in the figure, 100, the housing; 110. connecting holes; 120. a step portion; 200. a collar; 210. a collar body; 220. a fixed part; 221. a bending section; 230. a yielding groove; 300. a terminal; 310. a jack; 311. a first guide surface; 320. a guide ring; 321. a guide ring body; 322. a second guide surface; 330. a limiting ring; 331. positioning a groove; 340. sealing the clamping groove; 341. a seal ring; 350. fixing grooves; 400. and a clamp spring.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1 to 6, the integral connector structure of the new energy vehicle according to the preferred embodiment of the present invention can improve the assembly efficiency and the finished product quality of the connector.

Based on the above technical scheme, the present embodiment provides an integral connector structure of a new energy automobile, including casing 100 and terminal 300, casing 100 is the major structure of this connector, and casing 100 adopts plastics to make. The terminal 300 is a connection member of the connector, and functions to communicate a circuit.

Specifically, the housing 100 is provided with a connection hole 110, the connection hole 110 is used for mounting a terminal 300, the terminal 300 is used as a plug connector of the connector, and the terminal 300 is provided with a terminal.

Specifically, an annular collar 200 is fixedly connected to the connection hole 110, the collar 200 may be of an elastic metal sheet structure, and the collar 200 may also be of a plastic structure. The terminal 300 can be quickly fixed by the collar 200.

In the assembly of the present embodiment, a worker directly inserts the terminal 300 into the collar 200 to fix the terminal 300 in a clamping manner, thereby improving the fixing effect on the terminal 300.

Specifically, the retainer ring 200 is provided with a fixing portion 220 bent in the axial direction, and the terminal 300 is connected to the fixing portion 220 in a snap-fit manner. The fixing portion 220 is bent along the axial direction, so that the fixing portion 220 can be bent in the axial direction, and the terminal 300 is further moved away, so that the terminal 300 can be smoothly clamped into the fixing portion 220, and the terminal 300 is fixed.

In the prior art, as shown in fig. 7 and 8, when the terminal 300 is installed on the housing 100, the terminal 300 is provided with a fixing groove 350, the clamp spring 400 is a metal ring, an opening is formed in the clamp spring 400 body, the clamp spring 400 is opened through the calipers, the opening of the clamp spring 400 is opened, the clamp spring 400 can be clamped into the fixing groove 350, and the terminal 300 is fixed. Wherein, when strutting jump ring 400, need use the calliper cooperation of strutting jump ring 400, the workman needs certain technique of using calliper, just can install jump ring 400 in fixed slot 350, has caused the installation and has wasted time and energy, has improved the cost of labor of equipment process. Meanwhile, when a worker installs the snap spring 400, the snap spring 400 and the caliper easily scrape the electroplated layer on the surface of the terminal 300, and the quality of a finished product is affected. Meanwhile, the force of the snap spring 400 in the opening process is easy to master, so that the elastic force of the snap spring 400 is ineffective.

Preferably, an annular step portion 120 is arranged in the connection hole 110 of the present embodiment, the collar 200 abuts against the step portion 120, and the step portion 120 can limit the collar 200, thereby realizing the positioning of the collar 200 and further fixing the terminal 300 more stably.

Preferably, as shown in fig. 4 and 5, the collar 200 includes an annular collar body 210, and the fixing portion 220 is connected to the collar body 210, so that the fixing portion 220 is fixed by the fixing collar body 210, the collar 200 can be better fixed, and the fixing effect of the collar 200 is improved.

Preferably, the fixing portion 220 is circumferentially and uniformly provided with a plurality of receding grooves 230, and the receding grooves 230 can recede the fixing portion 220 when the fixing portion 220 is bent, so that the fixing portion 220 can be smoothly bent, and the fixing portion 220 can fix the terminal 300.

Preferably, a bending portion 221 is disposed between the collar body 210 and the fixing portion 220, the bending portion 221 is used for transition between the collar body 210 and the fixing portion 220, and the elasticity of the bending portion 221 is enhanced, so that the connection effect between the collar body 210 and the fixing portion 220 can be improved, and the structural stability of the collar 200 is improved.

Preferably, the collar 200 is fixed in the housing 100 by injection molding, and the collar 200 is directly and integrally injection molded in the housing 100 when the housing 100 is produced, so that the production efficiency is greatly improved, and the installation efficiency of the terminal 300 in the collar 200 is greatly improved.

Preferably, the terminal 300 has a receptacle 310 at the middle of the end, the receptacle 310 can receive an electrical connector therein to facilitate the use of the connector, and the outer side wall of the receptacle 310 is provided with a first guiding surface 311. The end of the terminal 300 can be guided by the first guide surface 311 so that a worker can smoothly insert the terminal 300 into the collar 200, and the plating layer can be prevented from being scraped off.

Preferably, be equipped with guide ring 320, spacing collar 330 on the middle section of terminal 300, be equipped with between guide ring 320 and the spacing collar 330 with fixed part 220 complex constant head tank 331, can be with including fixed part 220 joint through constant head tank 331, and then realized that fixed part 220 is to terminal 300 at the ascending location of axial, improved the location effect to terminal 300.

Specifically, the guide ring 320 includes the guide ring body 321, the guide ring body 321 is provided with the second guide surface 322 on one side close to the insertion hole 310, and the second guide surface 322 provided on the guide ring body 321 can guide the terminal 300, so that the terminal 300 can be smoothly clamped in the fixing portion 220, the efficiency of installing the terminal 300 is improved, and the electroplated layer on the surface of the terminal 300 can be prevented from being scraped.

Preferably, a sealing groove 340 is arranged below the limiting ring 330 on the outer side wall of the terminal 300, a sealing ring 341 is arranged in the sealing groove 340, the sealing ring 341 is made of a plastic material, the terminal 300 and the housing 100 can be sealed through the sealing ring 341, and the waterproof performance of the connector is improved.

Preferably, the sealing ring 341 is disposed between the sealing groove 340 and the connection hole 110 in a pressing manner, so that the sealing performance of the connection between the terminal 300 and the connection hole 110 is improved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. An integral connector structure for a new energy vehicle, characterized in that it comprises a housing (100) and a terminal (300), the housing (100) is provided with a connection hole (110), and the connection hole (110) is fixed in the An annular collar (200) is connected, the collar (200) is provided with a fixing portion (220) bent along the axial direction, and the terminal (300) is clamped and connected to the fixing portion (220).

2. The integrated connector structure for a new energy vehicle according to claim 1, characterized in that an annular stepped portion (120) is provided in the connecting hole (110), and the collar (200) is in contact with the stepped portion (120). catch.

3. The integrated connector structure for a new energy vehicle according to claim 2, wherein the collar (200) comprises an annular collar body (210), and the fixing portion (220) is connected to the collar body (210) superior.

4. The integrated connector structure for a new energy vehicle according to claim 3, characterized in that, the fixing portion (220) is evenly provided with a plurality of escaping grooves (230) in the circumferential direction.

5 . The integrated connector structure for a new energy vehicle according to claim 4 , wherein a bending portion ( 221 ) is provided between the collar body ( 210 ) and the fixing portion ( 220 ). 6 .

6. The integrated connector structure for a new energy vehicle according to claim 1, characterized in that the collar (200) is fixed in the housing (100) by injection molding.

7. The integrated connector structure for a new energy vehicle according to claim 1, characterized in that a jack (310) is provided in the middle of the end of the terminal (300), and an inclined hole (310) is provided on the outer side wall of the jack (310). The first guide surface (311).

8. The integrated connector structure of a new energy vehicle according to claim 7, characterized in that a guide ring (320) and a limit ring (330) are arranged on the middle section of the terminal (300), and the guide ring (320) is connected with the guide ring (320). A positioning groove (331) which is matched with the fixing part (220) is arranged between the limiting rings (330), and the guide ring (320) includes a guide ring body (321), and the guide ring body (321) is close to the insertion hole (310) One side is provided with a second guide surface (322).

9. The integrated connector structure for a new energy vehicle according to claim 8, characterized in that, a sealing groove (340) is provided on the outer side wall of the terminal (300) below the limit ring (330), and the sealing A sealing ring (341) is arranged in the groove (340).

10 . The integrated connector structure for a new energy vehicle according to claim 9 , wherein the sealing ring ( 341 ) is extruded and arranged between the sealing groove ( 340 ) and the connection hole ( 110 ). 11 .