CN220492271U

CN220492271U - Electric connector

Info

Publication number: CN220492271U
Application number: CN202322018685.XU
Authority: CN
Inventors: 王超
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-02-13
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses an electric connector, which comprises a lock piece, a sheath and at least one terminal, wherein the edge of an insertion opening of the sheath is provided with at least one pressure-bearing part extending into the insertion opening, the lock piece is provided with at least one hook-shaped part which is abutted to the pressure-bearing part when the lock piece is in a preassembly position, and the lock piece is abutted to the hook-shaped part through the pressure-bearing part when the lock piece is in the preassembly position, so that an upward supporting force is provided for the lock piece, the deformed lock piece can be restored to an original shape, and the condition that the terminal cannot be installed due to the deformation of the lock piece is prevented; after the terminal is installed, the locking piece is pushed, so that the free end of the hook-shaped part passes through the pressure-bearing part and is clamped to the inner side of the pressure-bearing part, at the moment, the locking piece is positioned at the locking position, and the hook-shaped part is arranged, so that a certain holding force can be provided for the locking position of the locking piece under the condition that the locking piece normally enters the locking position without being influenced, and the firmness of the locking piece after installation is improved.

Description

Electric connector

Technical Field

The present disclosure relates to electrical connectors, and particularly to an electrical connector.

Background

With the development of the automobile industry, the connection requirements are more and more, and connector products correspondingly develop towards the direction of porous position integration and fine production.

The conventional multi-hole electrical connector product generally includes a housing 10, a plurality of terminal cavities 101 axially disposed in the housing for receiving terminals, and a locking member 20 disposed in the housing 10 for locking the terminals, wherein the locking member 20 is movable between a pre-installation position and a locking position with respect to a sidewall of the housing 10, and when the locking member is in the pre-installation position, if the locking member 20 is deformed, the terminals cannot be installed, so that in the prior art, a part 40 for securing a space for inserting the terminals is commonly inserted into one or more of the terminal cavities 101 and the corresponding terminal locking holes 205 of the locking member, as shown in fig. 1, so as to support the terminal locking holes 205 of the locking member when the locking member 20 is in the pre-installation position, so that the terminals can be smoothly installed when the locking member is in the pre-installation position, the part is removed after the terminal is assembled, which causes waste of resources, and the production cost and assembly cost of the connector manufacturer are increased accordingly.

Disclosure of Invention

The present utility model is directed to an electrical connector, and more particularly, to an electrical connector for solving the technical problems mentioned in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an electric connector, includes latch, sheath and at least one terminal, be provided with at least one terminal chamber that is used for the holding terminal along the axial in the sheath, offered the inserted hole that is linked together with the terminal chamber on the outer wall of sheath, the latch is inserted the terminal intracavity from inserted hole to lock the terminal, and the latch has pre-installation position and locking position in the terminal chamber, the sheath is provided with at least one pressure-bearing portion that extends to in the inserted hole at the edge of inserted hole, is provided with at least one hook-shaped portion that supports to pressure-bearing portion when the latch is in pre-installation position on the latch, and the free end of hook-shaped portion is towards pressure-bearing portion, and the latch is passed pressure-bearing portion and joint to pressure-bearing portion's inboard by the free end of pre-installation position in-process hook-shaped portion that removes to locking position.

In a preferred embodiment, when the lock is in the preassembly position, the free end of the hook portion abuts against the pressure-bearing portion, and an inter-fitting inclined surface structure is arranged between the abutting areas of the free end of the hook portion and the pressure-bearing portion.

In a preferred embodiment, the insertion opening is rectangular, a plurality of pressure-bearing portions are provided, and the plurality of pressure-bearing portions are provided on the same side of the insertion opening.

In a preferred embodiment, the locking member comprises a base plate, a terminal locking part and a hook-shaped part, wherein the terminal locking part is arranged at the bottom of the base plate, the sheath is provided with a lap joint groove matched with the shape of the base plate at the outer side of the insertion port, one of the base plate and the lap joint groove is provided with a positioning convex rib, and the other one is provided with a positioning groove matched with the positioning convex rib.

In a preferred embodiment, the positioning ribs are arranged in the lap joint grooves and along the axial direction of the sheath, and the pressure bearing parts are formed at the end parts of the positioning ribs and extend to the inside of the insertion port.

In a preferred embodiment, the terminal locking part is a frame having at least one terminal locking hole provided therein, the terminal locking hole being provided corresponding to the at least one terminal cavity, and a locking protrusion being provided on an inner wall of the terminal locking hole to be abutted to the terminal when the locking member is in the locking position to lock the terminal.

In a preferred embodiment, the terminal locking holes are arranged in a plurality of arrays, and the terminal cavities are correspondingly arranged in a plurality of arrays and correspond to the terminal locking holes one by one.

In a preferred embodiment, the side wall of the sheath is provided with a preassembly part and a locking part at intervals along the direction of inserting the locking piece into the terminal cavity, the two sides of the substrate on the terminal locking part are symmetrically provided with clamping plates, and the clamping plates are provided with clamping grooves matched with the preassembly part and the locking part.

In a preferred embodiment, the preassembly and the locking part are elongated and are arranged in the axial direction of the sheath.

Compared with the prior art, the utility model has the beneficial effects that: in the electric connector, at least one pressure-bearing part extending into the insertion opening is arranged at the edge of the sheath insertion opening, and at least one hook-shaped part which is abutted against the pressure-bearing part when the lock is in the preassembly position is arranged on the lock, and the lock is abutted against the hook-shaped part through the pressure-bearing part when the lock is in the preassembly position, so that upward supporting force is provided for the lock, the deformed lock can be restored to the original shape, and the situation that the terminal cannot be installed due to deformation of the lock is prevented; after the terminal is installed, the locking piece is pushed, so that the free end of the hook-shaped part passes through the pressure-bearing part and is clamped to the inner side of the pressure-bearing part, at the moment, the locking piece is positioned at the locking position, and the hook-shaped part is arranged, so that a certain holding force can be provided for the locking position of the locking piece under the condition that the locking piece normally enters the locking position without being influenced, and the firmness of the locking piece after installation is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

FIG. 1 is a schematic diagram of the mating of a conventional multi-hole electrical connector with components for securing a terminal insertion space;

fig. 2 is a schematic structural diagram of an electrical connector according to the present utility model;

FIG. 3 is an exploded view of the electrical connector of FIG. 2;

FIG. 4 is an exploded view of the electrical connector of FIG. 2 at another angle;

FIG. 5 is a schematic diagram illustrating the mating of the locking element and the terminal in the electrical connector of FIG. 2;

FIG. 6 is a cross-sectional view of the electrical connector of FIG. 2 with the locking element in a pre-assembled position;

FIG. 7 is an enlarged partial schematic view of FIG. 6 at A;

fig. 8 is a cross-sectional view of the electrical connector of fig. 2 with the locking member in the locked position.

The figures are marked as follows:

10. a sheath; 101. a terminal cavity; 102. an insertion port; 103. a pressure-bearing part; 104. a lap joint groove; 105. positioning the convex ribs; 106. a preassembling part; 107. a locking part; 108. a second inclined surface;

20. a locking piece; 201. a hook-shaped portion; 202. a substrate; 203. a terminal locking part; 204. a positioning groove; 205. a terminal locking hole; 206. a locking protrusion; 207. a clamping plate; 208. a clamping groove; 209. a first inclined surface;

30. a terminal;

40. and a part for securing the terminal insertion space.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

2-8, an electrical connector, including a lock 20, a sheath 10 and at least one terminal 30, at least one terminal cavity 101 for accommodating the terminal 30 is axially arranged in the sheath 10, an insertion opening 102 communicated with the terminal cavity 101 is formed on the outer wall of the sheath 10, the lock 20 is inserted into the terminal cavity 101 from the insertion opening 102 to lock the terminal 30, and the lock 20 has a pre-installation position and a locking position in the terminal cavity 101, and the specific structure is that: the side wall of the sheath 10 is provided with a preassembly part 106 and a locking part 107 at intervals along the direction of inserting the locking piece 20 into the terminal cavity 101, and the locking piece 20 is matched with the preassembly part 106 and the locking part 107 respectively in the process of inserting the locking piece 20 into the terminal cavity 101 so as to fix the preassembly position and the locking position of the locking piece 20 respectively. The sheath 10 is provided with at least one pressure-bearing portion 103 extending into the insertion port 102 at the edge of the insertion port 102, the insertion port 102 is rectangular, the pressure-bearing portions 103 are provided in plurality, and the pressure-bearing portions 103 are arranged on the same side of the insertion port 102, compared with the arrangement of the pressure-bearing portions 103 on different sides of the insertion port 102, the arrangement on the same side can obviously reduce the resistance of the lock 20 in the process of moving from the preassembly position to the locking position, and can improve the installation accuracy of the lock 20. The lock 20 is provided with at least one hook-shaped portion 201 which abuts against the pressure-bearing portion 103 when the lock 20 is in the pre-installation position, the free end of the hook-shaped portion 201 faces the pressure-bearing portion 103, and the free end of the hook-shaped portion 201 passes over the pressure-bearing portion 103 and is clamped to the inner side of the pressure-bearing portion 103 when the lock 20 is moved from the pre-installation position to the locking position, and fig. 6 and 8 are cross-sectional views of the electrical connector of the utility model when the lock is in the pre-installation position and the locking position, respectively. When the lock 20 is in the preassembly position, the pressure-bearing part 103 is abutted against the hook-shaped part 201 to provide upward supporting force for the lock 20, so that the deformed lock 20 can be restored to the original shape, and the situation that the terminal 30 cannot be installed due to the deformation of the lock is prevented; after the terminal 30 is installed, the locking piece 20 is pushed, so that the free end of the hook-shaped part 201 passes through the pressure-bearing part 103 and is clamped to the inner side of the pressure-bearing part 103, at this time, the locking piece 20 is in the locking position, and the arrangement of the hook-shaped part 201 can provide a certain retaining force for the locking position of the locking piece 20 under the condition that the locking piece 20 normally enters the locking position, so that the reliability of the locking piece 20 after installation is improved.

In an embodiment, as shown in fig. 7, when the lock 20 is in the pre-installation position, the free end of the hook 201 is abutted to the pressure-bearing portion 103, and an inter-fit inclined plane structure is disposed between the abutting areas of the free end of the hook 201 and the pressure-bearing portion 103, which is a first inclined plane 209 disposed at the free end of the hook 201 and a second inclined plane 108 disposed on the pressure-bearing portion 103, respectively, and the free end of the hook 201 can smoothly pass through the pressure-bearing portion 103 and be clamped to the inner side of the pressure-bearing portion 103 through the inter-fit first inclined plane 209 and second inclined plane 108 during the process of moving the lock 20 from the pre-installation position to the locking position.

In an embodiment, as shown in fig. 3-5, the lock 20 includes a base 202, a terminal locking portion 203 and a hook portion 201 disposed at the bottom of the base 202, a lap joint groove 104 matched with the shape of the base 202 is disposed on the outer side of the insertion port 102 of the sheath 10, a positioning rib 105 is disposed on one of the base 202 and the lap joint groove 104, a positioning groove 204 matched with the positioning rib 105 is disposed on the other, and after the lock 20 moves to the locking position, the positioning rib 105 and the positioning groove 204 play a role in positioning the lock 20, so as to prevent the lock 20 from being installed in place. In this embodiment, the positioning ribs 105 are preferably disposed in the overlapping grooves 104 and along the axial direction of the sheath 10, and the pressure-bearing portion 103 is formed at the end of the positioning ribs 105 and extends into the insertion opening 102, so that the structure of the sheath 10 can be simplified and the forming cost can be reduced.

The present utility model further provides a terminal locking portion 203, as shown in fig. 5, the terminal locking portion 203 is a frame in which at least one terminal locking hole 205 is provided, the terminal locking hole 205 is provided corresponding to at least one terminal cavity 101, and a locking protrusion 206 which can abut against the terminal 30 to lock the terminal 30 when the lock 20 is in the locking position is provided on an inner wall of the terminal locking hole 205; further, the terminal locking holes 205 are provided in plurality and arranged in an array, and the terminal cavities 101 are provided in plurality and arranged in one-to-one correspondence with the plurality of terminal locking holes 205. Here, since the structure of the terminal locking portion 203 is a relatively conventional technology in the art, the structure thereof is not described in detail in the present utility model.

Further, as shown in fig. 3 to 5, the side wall of the sheath 10 is provided with a preassembly part 106 and a locking part 107 at intervals along the direction of inserting the locking member 20 into the terminal cavity 101, and the preassembly part 106 and the locking part 107 are both in a long strip shape and are arranged along the axial direction of the sheath 10; the base plate 202 is symmetrically provided with clamping plates 207 at two sides of the terminal locking part 203, the clamping plates 207 are provided with clamping grooves 208 matched with the preassembly part 106 and the locking part 107, and during the process of inserting the locking piece 20 into the terminal cavity 101, the clamping grooves 208 arranged on the clamping plates 207 are matched with the preassembly part 106 and the locking part 107 in advance, so that the preassembly position and the locking position of the locking piece 20 are respectively fixed.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides an electric connector, includes latch, sheath and at least one terminal, be provided with at least one terminal chamber that is used for holding the terminal along the axial in the sheath, offered the inserted hole that is linked together with the terminal chamber on the outer wall of sheath, the latch is inserted the terminal intracavity from inserted hole department in order to lock the terminal, and the latch has pre-installation position and locking position, its characterized in that in the terminal intracavity:

the sheath is provided with at least one pressure-bearing part extending into the insertion opening at the edge of the insertion opening, the lock piece is provided with at least one hook-shaped part which is abutted to the pressure-bearing part when the lock piece is in the preassembly position, the free end of the hook-shaped part faces the pressure-bearing part, and the free end of the hook-shaped part passes through the pressure-bearing part and is clamped to the inner side of the pressure-bearing part in the process that the lock piece moves from the preassembly position to the locking position.

2. An electrical connector as in claim 1 wherein: when the lock piece is in the preassembly position, the free end of the hook-shaped part is abutted to the pressure-bearing part, and an inclined surface structure matched with each other is arranged between the free end of the hook-shaped part and the abutting area of the pressure-bearing part.

3. An electrical connector as in claim 1 wherein: the inserting port is rectangular, the pressure bearing parts are arranged in a plurality of mode, and the pressure bearing parts are arranged on the same edge of the inserting port.

4. An electrical connector as in claim 1 wherein: the lock piece comprises a base plate, a terminal locking part and a hook-shaped part, wherein the terminal locking part is arranged at the bottom of the base plate, the outer side of the insertion opening of the sheath is provided with a lap joint groove matched with the shape of the base plate, one of the base plate and the lap joint groove is provided with a positioning convex rib, and the other one of the base plate and the lap joint groove is provided with a positioning groove matched with the positioning convex rib.

5. An electrical connector as in claim 4 wherein: the positioning convex rib is arranged in the lap joint groove and along the axial direction of the sheath, and the pressure-bearing part is formed at the end part of the positioning convex rib and extends to the inside of the insertion port.

6. An electrical connector as in claim 4 wherein: the terminal locking part is a frame with at least one terminal locking hole inside, the terminal locking hole is arranged corresponding to the at least one terminal cavity, and a locking protrusion which can be abutted to the terminal to lock the terminal when the locking piece is in the locking position is arranged on the inner wall of the terminal locking hole.

7. An electrical connector as in claim 6 wherein: the terminal locking holes are arranged in an array, and the terminal cavities are correspondingly arranged in a plurality of mode and correspond to the terminal locking holes one by one.

8. An electrical connector as in claim 4 wherein: the side wall of the sheath is provided with preassembly parts and locking parts at intervals along the direction that the locking piece is inserted into the terminal cavity, the two sides of the substrate on the terminal locking parts are symmetrically provided with clamping plates, and the clamping plates are provided with clamping grooves matched with the preassembly parts and the locking parts.

9. An electrical connector as in claim 8 wherein: the preassembly part and the locking part are both in a strip shape and are arranged along the axial direction of the sheath.