CN218997163U

CN218997163U - Automobile connector structure

Info

Publication number: CN218997163U
Application number: CN202223453099.XU
Authority: CN
Inventors: 倪海丰
Original assignee: Zhejiang Zhuoli Electronics Co ltd
Current assignee: Zhejiang Zhuoli Electronics Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-09
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses an automobile connector structure, which comprises a connector shell seat and a plurality of square pins inserted into a plurality of jack structures, wherein two side walls of the square pins are clamped and formed with at least two groups of opposite snap-in protruding structures through snap-in mechanisms, the snap-in protruding structures are pressed and clamped in the jack structures under the driving of the square pins, so that limit fit for keeping the relative positions of the square pins and the connector shell seat fixed is formed between the snap-in protruding structures and the jack structures, the assembled square pins can be prevented from loosening in the jack structures by design, the reliability and stability of installation and fixation between the square pins and the connector shell seat are ensured, the holding force after the installation and fixation of the square pins is improved by design, and the automobile connector has excellent plugging performance, mechanical performance and electrical performance and long service life.

Description

Automobile connector structure

Technical Field

The utility model relates to the technical field of connectors, in particular to an automobile connector structure.

Background

With the development of science and technology and the improvement of the technical level, more and more people drive automobiles to go out, the demand of automobile connectors is increasing, and according to the fact that various electrical devices are usually loaded on automobiles and are connected with the automobile connectors through automobile wire harnesses to realize communication, wherein the connectors in automobiles play a role in bridging a communication bridge between blocked or isolated and non-connected circuits, so that current can flow, and the circuits realize preset functions.

The common automobile connector in the market mainly comprises a sheath, a pin assembly and other parts, wherein a plurality of pin holes are formed in the sheath, the pin assembly consists of a plurality of pin terminals inserted in the pin holes, at present, a standard insert injection molding production process is generally adopted for the installation mode of the pin terminals, namely, the pin terminals are firstly placed in a plastic mold and then are produced by adopting the injection molding process, but the pin terminals are molded in the sheath by adopting the insert injection molding mode, and the pin terminals are easy to be impacted by molten plastics in the injection molding process, so that the installation precision is insufficient, the requirement on the injection molding process is very high, and the production cost is high; in addition, the common mounting mode is to insert the manufactured contact pin terminals into the jacks one by one, and the contact pin terminals are in interference fit with the jacks to achieve fixation, but the contact pin terminals are smooth in surface, so that insufficient retention force between the contact pin terminals and the sheath often occurs, the service life is shortened, and the plugging performance of the product can be affected.

Disclosure of Invention

The utility model aims to solve the technical problems that the contact pin terminal surface of the automobile connector in the prior art is smooth, and the situation that the retention force is insufficient often occurs after the contact pin terminal is mounted on the jack of the sheath, so that the plugging performance of a product is affected is solved, and therefore the automobile connector structure with the simple structure, the retention force of a terminal assembly improved and the good plugging performance is provided.

In order to solve the above technical problems, the present utility model provides an automobile connector structure, comprising:

the connector shell seat comprises a slot opening arranged at the front end of the connector shell seat and a plurality of jack structures arranged at the rear end of the connector shell seat and connected with the slot opening;

the terminal assembly comprises a plurality of square pins which are inserted into the jack structures;

the two side walls of the square contact pins are clamped and formed with at least two groups of opposite embossing protruding structures through the embossing mechanism, and the embossing protruding structures are pressed and clamped in the jack structures under the driving of the square contact pins, so that limit fit for keeping the relative positions of the square contact pins and the connector shell seat fixed is formed between the embossing protruding structures and the jack structures.

As a preferable scheme, each group of the embossing convex structures comprises two opposite bosses concavely formed on two sides of one side wall of the square pin, and two C-shaped grooves which are formed on the side wall of the square pin and semi-surround the two bosses.

As a preferable scheme, the two bosses protrude towards the outer sides of the openings of the two C-shaped grooves by a certain distance respectively, so that the connecting width of the two bosses is larger than the width of the square contact pin.

As a preferable scheme, the distances of the two bosses protruding towards the outer sides of the openings of the two C-shaped grooves are 1mm.

As a preferable scheme, four groups of the bitten raised structures are arranged on the side walls of the upper surface and the lower surface of the square contact pin in total and are arranged in two rows in an up-down opposite mode.

As a preferable scheme, the four groups of the embossing raised structures comprise four bosses which are respectively arranged on the side walls of the upper surface and the lower surface of the square pin, and the four bosses on the same side wall are arranged in a rectangular array.

As a preferable mode, the shape of the boss is a rectangular structure.

As a preferable scheme, the jack structures are arranged in two rows at the rear end of the connector housing seat, and the square contact pins are arranged in a straight structure or a right-angle structure.

As a preferable scheme, a limit locking piece is formed at the top of the connector shell seat, and the limit locking piece is provided with a guide inclined plane inclined towards one side of the slot opening.

As a preferable scheme, two guiding sliding grooves for guiding the external plug-in unit to be inserted into the slot opening in a matched mode are arranged on the side faces of the two sides of the connector shell seat, and the two guiding sliding grooves extend for a set distance along the opening direction of the slot opening.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. in the automobile connector structure provided by the utility model, a plurality of square pins are inserted into a plurality of jack structures of a connector shell seat in a preset mode, at least two groups of opposite snap-in protruding structures are clamped and formed on side walls of two sides of the square pins through an automatic snap-in mechanism, then the square pins are pushed until the snap-in protruding structures are pressed and clamped in the jack structures, the snap-in protruding structures are in pressing contact with the inner walls of the jacks to achieve a tight fit installation effect, and therefore limit fit is formed between the snap-in protruding structures and the jack structures, the assembled square pins are prevented from loosening in the jack structures, the reliability and stability of installation and fixation between the square pins and the connector shell seat are guaranteed, the holding force after the installation and fixation of the square pins is improved through design, the excellent plugging performance is achieved, the mechanical performance and the electrical performance of the automobile connector are improved, and the service life is long.

2. In the automobile connector structure provided by the utility model, four groups of the embossing bulge structures are arranged on the upper side wall and the lower side wall of the square contact pin, each group of embossing bulge structures consists of two bosses formed on the same side wall of the square contact pin, namely, four bosses are respectively arranged on the upper side wall and the lower side wall of the square contact pin, the four bosses positioned on the same side wall are arranged in a rectangular array, and the four groups of embossing bulge structures are oppositely arranged in two rows up and down.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic perspective view of an automotive connector structure according to the present utility model;

fig. 2 is a schematic perspective view of another form of an automotive connector structure according to the present utility model;

FIG. 3 is a split structure schematic view of the automotive connector structure of FIG. 1;

FIG. 4 is a schematic view of the mounting structure of the inventive square pin on an automotive connector;

FIG. 5 is a schematic diagram of a square pin structure according to the present utility model;

reference numerals illustrate: 1. a connector housing; 11. a slot opening; 2. a jack structure; 3. square contact pin; 4. a pattern-biting protrusion structure; 41. a boss; 42. a C-shaped groove; 5. a limiting locking block; 6. and a guiding chute.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The present embodiment provides an automotive connector structure as shown in fig. 1 to 5, comprising:

the connector housing 1 comprises a slot opening 11 arranged at the front end of the connector housing 1 and a plurality of jack structures 2 arranged at the rear end of the connector housing 1 and connected with the slot opening 11;

the terminal assembly comprises a plurality of square pins 3 which are inserted into the jack structures 2;

the two side walls of the square contact pins 3 are clamped and formed with at least two groups of opposite embossing protrusion structures 4 through the embossing mechanisms, and the embossing protrusion structures 4 are pressed and clamped in the jack structures 2 under the driving of the square contact pins 3, so that limit fit for keeping the relative positions of the square contact pins 3 and the connector shell seat 1 fixed is formed between the embossing protrusion structures 4 and the jack structures 2.

The above embodiment is a core technical solution of this embodiment, firstly, insert a plurality of square contact pins 3 into a plurality of jack structures 2 of the connector housing 1, clamp and form at least two sets of opposite snap-in raised structures 4 on two side walls of the square contact pins 3 through an automatic snap-in mechanism, then push and push the square contact pins 3 until the snap-in raised structures 4 are pressed and clamped in the jack structures 2, and achieve a tight fit installation effect by using the press-in raised structures 4 to be in pressing contact with the inner walls of the jack, so that limit fit is formed between the snap-in raised structures 4 and the jack structures 2, and the loose condition of the assembled square contact pins in the jack structures is prevented, the reliability and stability of installation and fixation between the square contact pins and the connector housing are ensured, so that the design improves the holding force after the square contact pins are installed and fixed, and has excellent plugging performance, thereby improving the mechanical performance and electrical performance of an automobile connector, and having long service life.

The specific arrangement of the embossing protrusion structure is described in detail below with reference to fig. 3-5:

each group of the embossing protrusion structures 4 comprises two opposite bosses 41 concavely formed on two sides of one side wall of the square pin 3, two C-shaped grooves 42 which are formed on the side wall of the square pin 3 and partly surround the two bosses 41, after the embossing protrusion structures 4 are integrally formed on the square pin 3 through an embossing process, the two bosses 41 protrude towards the outer sides of the openings of the two C-shaped grooves 42 by a certain distance respectively, so that the connecting width of the two bosses 41 is larger than the width of the square pin 3, and as a preferred embodiment, the protruding distances of the two bosses 41 towards the outer sides of the openings of the two C-shaped grooves 42 are 1mm respectively, so that the requirements of size installation between the bosses 41 and jacks can be met. This kind of structure setting alternates square contact pin 3 at the in-process of jack structure 2, through two boss 41 and jack both sides inner wall hard extrusion contact in order to realize close-fitting installation, makes boss fastening card is held on the jack inner wall to increase by a wide margin installation frictional force between square contact pin and the jack, mounting structure intensity is big, makes the reliable installation of square contact pin fix in the jack structure of connector housing seat, and installation stability is good, and it is also comparatively convenient to assemble.

As a preferred implementation, the four groups of the embossing protrusion structures 4 are arranged on the upper side wall and the lower side wall of the square pin 3 in a total mode and are arranged in two rows in a vertical opposite mode, each group of embossing protrusion structures 4 consists of two bosses 41 formed on the same side wall of the square pin 3, specifically, the four bosses 41 are respectively arranged on the upper side wall and the lower side wall of the square pin 3, the four bosses 41 located on the same side wall are arranged in a rectangular array mode, the four bosses 41 are in a rectangular structure, the square pins designed by the multi-group embossing protrusion structures can strengthen the installation structure strength between the square pins and the jack structures, the installation stress is more stable, the clamping force is larger, the effect of limiting and locking is stronger, a plurality of square pins installed on the connector shell seat can obtain higher retention force, the plugging performance is good, and the service performance of products is improved.

The jack structures 2 are arranged in two rows at the rear end of the connector housing 1, that is, the square pins 3 are arranged in two rows at the connector housing 1, as shown in fig. 1-2, according to different mounting modes between the automobile connector and the circuit board, the square pins 3 can be preferably arranged in a straight structure or a right-angle structure. In this embodiment, it should be appreciated that the described biting mechanism is part of an automatic pin machine, and the biting mechanism includes two biting plates that are relatively movable by a cylinder, so that the two biting plates are relatively moved to simultaneously clamp on two side walls of the square pin and perform a biting process on the square pin.

In order to enable the automobile connector to be reliably connected with the connector plug, as shown in fig. 1-2, the top of the connector housing 1 is formed with a limit lock block 5, the limit lock block 5 is provided with a guide inclined plane inclined towards one side of the slot opening 11, two guide sliding grooves 6 for guiding the connector plug to be inserted into the slot opening 11 in a matched manner are arranged on two side surfaces of the connector housing 1, the two guide sliding grooves 6 extend along the opening direction of the slot opening 11 for a set distance, a limit lock catch which is in elastic clamping fit with the limit lock block 5 is correspondingly arranged on the connector plug, and guide blocks which are in sliding connection with the guide sliding grooves are arranged on two sides of the connector plug, and the limit lock catch is provided with a clamping groove, so that the automobile connector and the connector plug are tightly connected through clamping fit formed by the limit lock block and the limit lock catch, and the situation that the automobile connector and the connector plug are separated in a loose manner is avoided.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims

1. An automotive connector structure comprising:

the connector shell seat (1) comprises a slot opening (11) arranged at the front end of the connector shell seat (1) and a plurality of jack structures (2) arranged at the rear end of the connector shell seat (1) and connected with the slot opening;

the terminal assembly comprises a plurality of square pins (3) which are inserted into the jack structures (2);

the method is characterized in that: the two side walls of the square contact pins (3) are clamped and formed with at least two groups of opposite biting protrusion structures (4) through the biting mechanism, the biting protrusion structures (4) are extruded and clamped in the jack structures (2) under the driving of the square contact pins (3), and limit fit for keeping the relative positions of the square contact pins (3) and the connector shell seat (1) fixed is formed between the biting protrusion structures (4) and the jack structures (2).

2. An automotive connector structure as defined in claim 1, wherein: each group of the embossing raised structures (4) comprises two opposite bosses (41) concavely formed on two sides of one side wall of the square contact pin (3), and two C-shaped grooves (42) which are formed on the side wall of the square contact pin (3) and semi-surround the two bosses (41).

3. An automotive connector structure as claimed in claim 2, wherein: the two bosses (41) protrude towards the outer sides of the openings of the two C-shaped grooves (42) by a certain distance respectively, so that the connecting width of the two bosses (41) is larger than the width of the square contact pin (3).

4. A car connector structure according to claim 3, characterized in that: the protruding distances of the two bosses (41) to the outer sides of the openings of the two C-shaped grooves (42) are 1mm.

5. An automotive connector structure according to any one of claims 1 to 4, characterized in that: four groups of the bitten raised structures (4) are arranged on the side walls of the upper surface and the lower surface of the square contact pin (3) and are arranged in two rows in an up-down opposite mode.

6. The automotive connector structure of claim 5, wherein: the four groups of the embossing raised structures (4) comprise four bosses (41) which are respectively arranged on the side walls of the upper surface and the lower surface of the square contact pin (3), and the four bosses on the same side wall are arranged in a rectangular array.

7. The automotive connector structure of claim 6, wherein: the boss (41) is rectangular in shape.

8. The automotive connector structure of claim 7, wherein: the jack structures (2) are arranged at the rear end of the connector housing seat (1) in two rows, and the square contact pins (3) are arranged in a straight structure or a right-angle structure.

9. An automotive connector structure according to any one of claims 6 to 8, characterized in that: the top of the connector housing seat (1) is provided with a limiting locking block (5), and the limiting locking block (5) is provided with a guide inclined plane inclined towards one side of the slot opening (11).

10. The automotive connector structure of claim 9, wherein: two guide sliding grooves (6) for guiding the connector plug-in to be inserted into the slot opening (11) in a matching mode are formed in the side faces of the two sides of the connector shell seat (1), and the two guide sliding grooves (6) extend for a set distance along the opening direction of the slot opening (11).