阅读说明：本技术 一种自带plr结构的连接器 (Connector with PLR structure ) 是由 邵丽娜 王玉闯 李刘生 郭辉 韩见强 于 2020-04-20 设计创作，主要内容包括：本发明有关于一种自带PLR结构的连接器,包括插头和插座,其中所述插头和插座均包括护套和挂接装配在护套内的端子,沿护套轴向延伸的仅根部与护套相连且能够沿护套内径方向来回摆动的挂接弹臂通过其头部设置的端子挂鼻结构与端子上挂接结构的配合实现端子的挂接定位；所述插头和插座护套上均设有在连接器插合时,挡在其对插端的端子挂鼻结构背后,防止相对端的端子挂鼻结构受力后仰造成端子脱落的PLR结构。本发明连接器上自带有PLR结构,插头、插座护套对插装配后,能够实现互为PLR功能。插头护套上的PLR结构能够防止插座护套上的端子挂鼻结构后仰造成插座端子脱落,插座护套上的PLR结构能够防止插头护套上的端子挂鼻结构后仰造成插头端子脱落。(The invention relates to a connector with a PLR structure, which comprises a plug and a socket, wherein the plug and the socket both comprise a sheath and a terminal which is hung and assembled in the sheath; plug and socket all are equipped with on the sheath and when the connector is inserted and closes, keep off behind its terminal hanging nose structure to the end of inserting, prevent that the terminal hanging nose structure atress of looks remote site from leaning on backward and causing the PLR structure that the terminal drops. The connector is provided with a PLR structure, and after the plug and the socket sheath are assembled in an opposite insertion mode, the mutual PLR function can be realized. The PLR structure on the plug sheath can prevent that the terminal on the socket sheath from hanging the nose structure and bending backwards to cause the socket terminal to drop, and the PLR structure on the socket sheath can prevent that the terminal on the plug sheath from hanging the nose structure and bending backwards to cause the plug terminal to drop.)

1. A connector with a PLR structure, comprising a plug and a socket, wherein the plug and the socket each comprise a sheath and a terminal which is mounted in the sheath in a hanging manner, characterized in that: the hooking elastic arm which extends along the axial direction of the sheath and is only connected with the sheath at the root part realizes the hooking and positioning of the terminal through the matching of the terminal hooking structure arranged at the head part of the hooking elastic arm and the terminal hooking structure; the plug and socket jacket are provided with PLR structures which are used for blocking the back of the terminal hanging nose structure at the opposite insertion end to prevent the terminal hanging nose structure at the opposite end from being stressed and bending backwards to cause the falling of the terminal when the connector is inserted.

2. The connector of claim 1, further comprising: the plug end PLR structure and the socket end PLR structure are respectively formed by extending the front end of the plug sheath and the front end of the socket sheath along the axial direction.

3. The connector of claim 1, further comprising: the outer side of the socket sheath is provided with a convex rib which is matched with the convex rib groove on the outer side of the plug sheath in an inserting way.

4. The connector of claim 1, further comprising: the terminal hanging nose structure comprises a limiting part and a hanging part, wherein the limiting part extends along the axial direction of the sheath and is matched with the plug-in end PLR structure to realize terminal locking reinforcement, and the hanging part extends along the radial direction of the sheath on the inner side of the limiting part.

5. The connector of claim 4, further comprising: the front end face of the hanging part is a stop limiting face for preventing the terminal from retreating, and the rear end face is a guide face for guiding the terminal to move and assemble.

6. The connector of claim 5 with a PLR structure, wherein: wherein, the inner side of the front end of the PLR structure is provided with a chamfer which plays a role in guiding when the connector is plugged.

7. The connector of claim 6, further comprising: and a chamfer consistent with a guide chamfer on the plug-in end PLR structure is arranged on the outer side of the limiting part of the terminal hanging nose structure.

8. The connector of claim 5 with a PLR structure, wherein: the hanging and connecting part of the socket terminal and the hanging nose structure of the socket terminal is provided with an arc flanging for enhancing the hanging and connecting reliability, and the end part of the arc flanging is clamped in a groove formed between the limiting part and the hanging and connecting part in the hanging nose structure of the socket terminal.

9. The connector of claim 1, further comprising: when the plug and the socket are inserted, locking is realized through the matching of the clamping table on the socket sheath and the clamping groove on the plug sheath.

Technical Field

The invention relates to the technical field of connectors, in particular to a connector with a PLR structure.

Background

In recent years, with the rapid development of the automobile industry, people have higher and higher requirements on the environmental protection, safety, intelligence, comfort and the like of automobiles; for the connector suppliers, it means that the stability requirements for the connector products are also becoming more and more stringent. Meanwhile, with the increasing of the functions of automobiles, the structure and the variety of the connector are also continuously changed and increased, and the connector supplier only continuously innovates the product structure and the process to meet the requirements of customers, so the quality of the connector is more and more emphasized by automobile manufacturers and spare part suppliers.

In current automotive industry applications, connectors are mainly used to make electrical connections, and ultimately, to transmit signals and power. A single part, also called a contact latch reinforcement device, is usually installed on the connector to reinforce the fixation of the terminal, and its function is to reinforce the terminal hook latch structure and prevent the terminal hooked on the elastic hook structure of the connector from falling off to cause the contact failure of the electrical connector.

The PLR is the assembly of the terminal after it is assembled to the position of the elastic nose structure of the connector. However, in some special use environments, for example, when a car is running, the PLR function may be disabled due to vibration or pulling of a wire harness, and the terminal may be detached, which may finally result in the failure of the electrical contact.

Disclosure of Invention

In order to solve the technical problems, the invention provides a connector with a PLR structure, wherein the PLR structure is arranged on a plug sheath and a socket sheath of the connector, and the PLR structure realizes the function of strengthening terminal locking after the plug sheath and the socket sheath are oppositely inserted and assembled.

The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The connector with the PLR structure comprises a plug and a socket, wherein the plug and the socket both comprise a sheath and a terminal hung and assembled in the sheath, and a hanging elastic arm which extends along the axial direction of the sheath and is only connected with the sheath at the root part is matched with a hanging structure on the terminal through a terminal hanging nose structure arranged at the head part of the hanging elastic arm to realize the hanging and positioning of the terminal; the plug and socket jacket are provided with PLR structures which are used for blocking the back of the terminal hanging nose structure at the opposite insertion end to prevent the terminal hanging nose structure at the opposite end from being stressed and bending backwards to cause the falling of the terminal when the connector is inserted.

The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.

The connector with the PLR structure is characterized in that the plug end PLR structure and the receptacle end PLR structure are respectively formed by extending the front end of the plug sheath and the front end of the receptacle sheath along the axial direction.

In the connector with the PLR structure, the outer side of the socket sheath is provided with a rib which is matched with the rib groove on the outer side of the plug sheath in an inserting manner.

The terminal hanging nose structure comprises a limiting part which extends along the axial direction of the sheath and is matched with the plug end PLR structure to realize terminal locking reinforcement and a hanging part which extends along the radial direction of the sheath on the inner side of the limiting part.

In the connector with the PLR structure, the front end surface of the hanging part is a stop limiting surface for preventing the terminal from moving backward, and the rear end surface is a guide surface for guiding the terminal to move and assemble.

In the connector with the PLR structure, a chamfer which plays a guiding role when the connector is plugged is arranged on the inner side of the front end of the PLR structure.

In the connector with the PLR structure, a chamfer consistent with a guide chamfer on the plug end PLR structure is arranged on the outer side of the terminal hanging nose structure limiting portion.

In the connector with the PLR structure, an arc-shaped flanging for enhancing the hanging reliability is arranged at the hanging position of the socket terminal and the socket terminal hanging nose structure, and the end part of the arc-shaped flanging is clamped in a groove formed between the limiting part and the hanging part in the socket terminal hanging nose structure.

In the connector with the PLR structure, when the plug and the socket are inserted, locking is realized through the matching of the clamping table on the socket sheath and the clamping groove on the plug sheath.

Compared with the prior art, the invention has obvious advantages and beneficial effects. By the technical scheme, the connector with the PLR structure can achieve considerable technical progress and practicability, has wide industrial utilization value and at least has the following advantages:

the PLR structure is arranged on the connector, namely the PLR structure is arranged on the connector. After the plug and the socket sheath are oppositely inserted and assembled, the PLR function of each other can be realized. The PLR structure on the plug sheath can prevent the plug terminal from falling off caused by the backward tilting of the terminal hanging nose structure on the socket sheath, and the PLR structure on the socket sheath can prevent the plug terminal from falling off caused by the backward tilting of the terminal hanging nose structure on the plug sheath.

The setting mode of the PLR structure on the connector breaks through the traditional design concept, provides a brand new design idea, is closer to the requirements of customers, can reduce spare and accessory parts of the connector and the assembling process of the connector on the basis of meeting the functions of the connector, reduces the assembling working hours of the connector, reduces the development cost of the connector, and simultaneously ensures that the connector is more competitive in price.

Drawings

FIG. 1 is a cross-sectional view of a connector of the present invention with a PLR structure;

FIG. 2 is a perspective view of a connector of the present invention with a PLR structure;

FIG. 3 is a schematic view of the overall structure of the receptacle end of the connector with PLR structure according to the present invention;

fig. 4 is a schematic view of the overall structure of the plug end of the connector with PLR structure according to the present invention.

[ description of main element symbols ]

1: socket sheath

2: socket terminal

3: socket terminal hanging elastic arm

31: socket terminal hanging nose structure

4: PLR structure of socket end

5: plug sheath

6: plug terminal

7: plug terminal hanging elastic arm

71: plug terminal hanging nose structure

8: plug end PLR structure

9: arc-shaped flanging

10: inner bulge

11: card table

12: convex edge

13: groove

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to the specific implementation, structure, features and effects of the connector with PLR structure according to the present invention with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 1-4, which are schematic structural diagrams of parts of a connector with a PLR structure according to the present invention, the connector with a PLR structure includes a plug and a socket, wherein the plug includes a plug sheath 5 and a plug terminal 6 mounted in the plug sheath 5 in a hanging manner. And a terminal hanging structure which is matched with the hanging structure on the plug terminal 6 to realize hanging positioning is arranged in the plug sheath 5.

The plug hanging elastic arm 7 which extends along the axial direction of the plug sheath 5 and is connected with the plug sheath 5 at the root part realizes the hanging and positioning of the plug terminal hanging nose structure 71 arranged at the head part and the corresponding groove on the plug terminal 6. And a space which can satisfy the radial swing of the plug hanging elastic arm 7 along the plug sheath when the plug hanging elastic arm 7 is stressed is arranged between the plug hanging elastic arm 7 and the plug sheath 5. When the plug terminal 6 is installed in the plug sheath 5, the plug terminal 6 extrudes the plug to hook the plug terminal hook structure 71 at the front end of the elastic arm, so that the plug terminal hook structure 71 tilts backwards and moves forward, and after the hook structure on the plug terminal reaches the position corresponding to the plug terminal hook structure 71, the plug terminal hook structure 71 rebounds to be clamped in the hook structure on the plug terminal, so that the hooking and positioning of the plug terminal and the hook structure are realized. In the embodiment of the present invention, the hooking structure on the plug terminal is a groove that mates with the hook on the nose structure 7 of the plug terminal, but is not limited thereto.

And an inner bulge for blocking the plug terminal 6 and realizing the axial movement limit of the plug terminal 6 is also arranged in the plug sheath 5.

The socket comprises a socket sheath 1 and a socket terminal 2 which is hung and assembled in the socket sheath 1, wherein a hanging structure which is hung and positioned with a fixing part on the periphery of the socket terminal is arranged in the socket sheath 1.

The socket is characterized in that a socket hooking elastic arm 3 which extends along the axial direction of the socket sheath 1 and is connected with the socket sheath at the root part and is provided with a socket terminal hooking structure 31 in a hooking and matching manner with the socket terminal hooking structure at the head part is arranged in the socket sheath 1, and the socket terminal hooking structure 31 at the head part of the socket hooking elastic arm 3 is hooked and positioned by matching of a hook on the socket terminal and a corresponding groove on the socket terminal. The socket hanging elastic arm 3 can swing along the radial direction of the socket sheath 1 when being subjected to external force. A space which can satisfy the radial swing of the socket hooking elastic arm along the socket sheath when the socket hooking elastic arm is stressed is arranged between the socket hooking elastic arm and the socket sheath. In an embodiment of the invention, the socket terminal hook structure 31 extends out of the socket jacket.

The socket sheath 1 is also internally provided with an inner bulge for stopping the socket terminal 2 and realizing the axial movement and the limiting of the socket terminal 2.

Still be equipped with in the socket sheath 1 and keep off when plug and socket inserts to close to target in place behind plug terminal hangs nose structure 71, prevent that plug terminal from hanging nose structure 71 warp when plug terminal receives the pulling force to drag and draws and pitch back and let the socket end PLR structure 4 that makes the terminal drop from hanging nose structure 71 backward. The plug sheath is internally provided with a plug end PLR structure which is blocked behind the socket terminal hanging nose structure 31 when the plug and the socket are inserted in place and prevents the socket terminal from pulling the socket terminal hanging nose structure 31 to make the socket terminal face upwards and abdicate backwards when the socket terminal is pulled. The plug and the socket jacket are respectively provided with a PLR structure, the connectors can have a mutual PLR function after being assembled, the PLR structure on the plug jacket can prevent a terminal hanging nose structure on the socket jacket from tilting backwards to cause the socket terminal to fall off, and the PLR structure on the socket jacket can prevent the terminal hanging nose structure on the plug jacket from tilting backwards to cause the plug terminal to fall off.

In the embodiment of the invention, the plug end PLR structure and the socket end PLR structure are respectively formed by extending the front end of the plug sheath and the front end of the socket sheath along the axial direction, and the PLR structure and the connector are in an integrated structure. Preferably, the inner side of the front end of the PLR structure is provided with a chamfer which plays a guiding role when the connector is plugged, so that the connector can be smoothly assembled when being plugged, but the PLR structure is not limited thereto.

In the embodiment of the invention, the PLR structure at the socket end is tightly attached to the plug sheath, so that the insertion of the connector is more reliable.

In the embodiment of the invention, the plug terminal hanging nose structure and the socket terminal hanging nose structure respectively comprise a limiting part which extends along the axial direction of the sheath and is matched with the plug end PLR structure to realize terminal locking reinforcement and a hanging part which extends along the radial direction of the sheath at the inner side of the limiting part. Preferably, the front end face of the hanging part is a stop limiting face, and the rear end face of the hanging part is a forward guide face, so that when the terminal is assembled, the terminal firstly moves along the guide face of the hanging part and extrudes the hanging part, and when the hanging part rebounds and is matched with the hanging structure on the terminal in place, the limiting face of the hanging part can limit the terminal to retreat.

In the embodiment of the invention, the outer side of the limiting part of the terminal hanging nose structure is provided with a chamfer consistent with a guide chamfer on the plug-in end PLR structure.

In the embodiment of the invention, the hanging part of the socket terminal and the socket terminal hanging nose structure is provided with the arc-shaped flanging 9, and the end part of the arc-shaped flanging is clamped in a groove formed between the limiting part and the hanging part in the socket terminal hanging nose structure, so that the hanging reliability of the terminal and the sheath can be enhanced.

The socket sheath 1 and the plug sheath 5 can judge whether the connector is inserted in place by observing the matching of the convex edge 13 on the outer side of the socket sheath 1 and the corresponding convex edge groove 13 on the outer side of the plug sheath, when the plug and the socket are inserted in place, the convex edge 12 is completely positioned in the convex edge groove 13, the front end of the convex edge is stopped and limited with the wall body on the inner side of the convex edge groove, and the connector is prevented from being damaged by excessively violent insertion force.

In the embodiment of the invention, when the plug and the socket are inserted, the insertion, the closing and the locking of the plug and the socket are realized through the matching of the clamping table 11 on the socket sheath and the clamping groove on the plug sheath. Preferably, the front end face of the clamping table 11 is a guide face which is matched with the plug shell to be inserted and moved, and the rear end face is a limiting face which prevents the socket from loosening and retreating.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.