CN219040808U

CN219040808U - Electric connector

Info

Publication number: CN219040808U
Application number: CN202222896174.3U
Authority: CN
Inventors: 王超
Original assignee: Changchun Jetty Automotive Parts Co Ltd
Current assignee: Changchun Jetty Automotive Parts Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-16
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses an electric connector, which comprises a connector main body and a blocking piece matched with the connector main body, wherein at least one first accommodating cavity for accommodating a first terminal and at least one second accommodating cavity for accommodating a second terminal with different specifications from the first terminal are axially formed in the connector main body; the blocking piece is provided with at least one first blocking part matched with the blocking feature on the first terminal and at least one second blocking part matched with the blocking feature on the second terminal, and after the blocking piece is inserted into the connector main body, the axial movement of the corresponding terminal is limited through the first blocking part and the second blocking part, so that a good locking effect can be still realized under the condition of mixed use of terminals of different types and specifications.

Description

Electric connector

Technical Field

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

Background

The electrical connector generally includes an insulating body, a plurality of conductive crimp terminals and an assembly for locking the terminals, however, the assembly for locking the terminals in the existing electrical connector generally can only uniformly lock the terminals of the same type and specification, and obviously, in special cases, such as the mixed use of the terminals of different types and specifications, good locking cannot be realized.

With the increasing complexity of the functions of the automobile, the integration level of the vehicle-mounted connector and the selection requirement of the internal terminals thereof are higher, so that when designing the electric connector, there is a need to design an electric connector structure which can still realize effective locking under the condition of mixed use of terminals with different types and specifications.

Disclosure of Invention

In view of the above, the present utility model is to provide an electrical connector to solve the problem that the existing electrical connector cannot achieve good locking under the condition of mixed use of terminals of different types and specifications.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an electric connector comprises a connector main body and a blocking piece matched with the connector main body, wherein at least one first accommodating cavity for accommodating a first terminal and at least one second accommodating cavity for accommodating a second terminal with different specifications from the first terminal are axially formed in the connector main body, the first terminal and the second terminal are respectively arranged in the corresponding accommodating cavities, and blocking features are formed on the first terminal and the second terminal; the end face, opposite to the first terminal and the second terminal, of one side with blocking characteristics of the connector main body is provided with an insertion port in a penetrating mode, and the insertion port is communicated with the first accommodating cavity and the second accommodating cavity respectively;

the blocking piece is provided with at least one first blocking part matched with the blocking feature on the first terminal and at least one second blocking part matched with the blocking feature on the second terminal, a connecting component matched with each other is arranged between the blocking piece and the inserting port, and after the blocking piece is inserted into the connector body, the axial movement of the corresponding terminal is limited through the first blocking part and the second blocking part.

In a preferred embodiment, the first blocking portion and the second blocking portion are discontinuously arranged, and a connecting component matched with each other is arranged between at least one of the first blocking portion and the second blocking portion and the insertion port.

In a preferred embodiment, the second terminals are provided in plurality and are arranged in series, the top of the second terminals is provided with the blocking feature in an extending manner, the second blocking part is a convex rib formed on the end face of one side of the blocking part facing the second terminals, and the second blocking part abuts against the front end of the blocking feature at the top of the second terminals after the blocking part is inserted into the connector body.

In a preferred embodiment, the connection assembly comprises a first buckle arranged at one end of the convex rib far away from the blocking feature, and a second buckle arranged at the insertion port and matched with the first buckle, and the blocking piece is pressed, so that the first buckle and the second buckle can be connected in a clamping mode.

In a preferred embodiment, a guiding inclined plane matched with each other is arranged between the first buckle and the second buckle.

In a preferred embodiment, the blocking feature of the first terminal is a groove formed in the first terminal that is concave inward and matches the shape of the first blocking portion.

In a preferred embodiment, the first terminal and the second terminal are provided with two rows, and each row of blocking features of the first terminal and the second terminal is provided with one blocking piece correspondingly, and the two blocking pieces are connected through a connecting piece.

In a preferred embodiment, the connector has weaknesses thereon that allow the free ends of the two stops to move away from or towards each other.

In a preferred embodiment, a relief gap is provided between the first blocking portion and the connecting element.

In a preferred embodiment, the connecting piece and the two blocking pieces are injection molded in one piece.

Compared with the prior art, the utility model has the beneficial effects that: the blocking piece is provided with at least one first blocking part matched with the blocking feature on the first terminal and at least one second blocking part matched with the blocking feature on the second terminal, and after the blocking piece is inserted into the connector main body, the axial movement of the corresponding terminal is limited through the first blocking part and the second blocking part, so that a good locking effect can be realized under the condition of mixed use of terminals of different types and specifications.

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 structural diagram of an electrical connector according to the present utility model;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a schematic layout view of a first terminal and a second terminal provided in the embodiment;

FIG. 4 is a schematic view of a blocking member and a connecting member according to an embodiment;

fig. 5 is a cross-sectional view of fig. 1 along a length direction;

fig. 6 is a cross-sectional view taken along the length of fig. 1 in another cross-section.

The figures are marked as follows:

10. a connector body; 101. a first accommodation chamber; 102. a second accommodation chamber; 103. an insertion port;

20. a blocking member; 201. a first blocking portion; 202. a second blocking portion; 203. avoidance gap;

30. a first terminal;

40. a second terminal;

50. a connecting piece; 501. a weak portion;

60. a connection assembly; 601. a first buckle; 602. a second buckle; 603. a guide slope;

70. a blocking feature; 701. a first blocking feature; 702. a second blocking feature.

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.

The electrical connector generally comprises an insulating body, a plurality of conductive crimping terminals and an assembly for locking the terminals, however, the assembly for locking the terminals in the existing electrical connector generally can only uniformly lock the terminals of the same type and specification, and obviously, under special conditions, such as the mixed use of the terminals of different types and specifications, good locking cannot be realized; with the increasing complexity of the functions of the automobile, the integration level of the vehicle-mounted connector and the selection requirement of the internal terminals thereof are higher, so that when designing the electric connector, there is a need to design an electric connector structure which can still realize effective locking under the condition of mixed use of terminals with different types and specifications.

As shown in fig. 1 and 2, the present utility model provides an electrical connector, which includes a connector body 10 and a blocking member 20 matched with the connector body 10, wherein at least one first accommodating cavity 101 for accommodating a first terminal 30 and at least one second accommodating cavity 102 for accommodating a second terminal 40 with a different specification from the first terminal 30 are axially formed in the connector body 10, the first terminal 30 and the second terminal 40 are respectively installed in the corresponding accommodating cavities, and blocking features 70 are respectively formed on the first terminal 30 and the second terminal 40 and are respectively defined as a first blocking feature 701 and a second blocking feature 702 as shown in fig. 3; an insertion opening 103 is provided through the connector body 10 on the end face of the side of the connector body facing the first terminal 30 and the second terminal 40 having the blocking feature 70, and the insertion opening 103 communicates with the first accommodation chamber 101 and the second accommodation chamber 102, respectively;

as shown in fig. 4, the blocking member 20 has at least one first blocking portion 201 matching with the blocking feature 70 on the first terminal 30, i.e., the first blocking feature 701, and at least one second blocking portion 202 matching with the blocking feature 70 on the second terminal 40, i.e., the second blocking feature 702, and the connecting assembly 60 is provided between the blocking member 20 and the insertion opening 103, and after the blocking member 20 is inserted into the connector body 10, the axial movement of the corresponding terminal is limited by the first blocking portion 201 and the second blocking portion 202; therefore, under the condition of mixed use of terminals of different types and specifications, a good locking effect can be still realized.

In an embodiment, as shown in fig. 4, the first blocking portion 201 and the second blocking portion 202 are discontinuously disposed, and the connecting assembly 60 matched with each other is disposed between at least one of the two blocking portions and the insertion port 103, where it should be noted that the connecting assembly 60 may be disposed on the first blocking portion 201 or the second blocking portion 202, and if the best fixing effect is considered, the corresponding connecting assembly 60 may be disposed on both of the blocking portions, but in this embodiment, the corresponding connecting assembly 60 is disposed only on the second blocking portion 202 in view of convenience of insertion and extraction.

Further, as shown in fig. 3, the plurality of second terminals 40 are provided, and the plurality of second terminals 40 are provided in series, and the continuous arrangement herein means that the plurality of second terminals 40 are provided side by side and the plurality of second terminals 40 do not have the first terminals 30, that is, the first terminals 30 and the second terminals 40 are provided independently of each other; in addition, in the present embodiment, the second terminal 40 is defined to be smaller than the first terminal 30, and for the purpose of axially fixing all the terminals by one blocking member 20, the blocking features 70 of the two terminals need to be correspondingly arranged.

In this embodiment, the top of the second terminal 40 is provided with the blocking feature 70 in an extending manner, the second blocking portion 202 is a rib formed by extending on one side end face of the blocking member 20 facing the second terminal 40, after the blocking member 20 is inserted into the connector body 10, the second blocking portion 202 abuts against the front end of the blocking feature 70 on the top of the second terminal 40, where a certain setting needs to be made on the relative positions of the blocking feature 70 and the second blocking portion 202, so that it should be ensured that: when the second blocking portion 202 abuts against the front end of the blocking feature 70 on the top of the second terminal 40, the wire hole in the second terminal 40 is not covered, i.e. the normal wire connection of the second terminal 40 cannot be affected, refer to fig. 6.

The present embodiment further provides an implementation of the connection assembly: as shown in fig. 6, the connection assembly includes a first catch 601 disposed at an end of the rib remote from the blocking feature 70, and a second catch 602 disposed at the insertion opening 103 and mated with the first catch 601, the blocking member 20 being depressed, a snap-fit connection being achieved between the first catch 601 and the second catch 602. As shown in fig. 4, in order to facilitate the snap-in of the blocking member 20, a guiding inclined surface 603 is provided between the first buckle 601 and the second buckle 602, which are matched with each other.

In one embodiment, as shown in fig. 3, the blocking feature 70 of the first terminal 30, i.e., the first blocking feature 701, is a groove formed on the first terminal 30 by recessing inward and matching the shape of the first blocking portion 201, and after the blocking member 20 is inserted into the connector body 10, the first blocking portion 201 is snapped into the groove to achieve axial limitation of the first terminal 30, referring to fig. 5.

In an embodiment, as shown in fig. 2 and fig. 3, the first terminal 30 and the second terminal 40 are provided with two rows, the blocking feature 70 of each row of the first terminal 30 and the second terminal 40 is correspondingly provided with one blocking member 20, the two blocking members 20 are connected through the connecting member 50, so as to form a U-shaped blocking structure as shown in fig. 4, the connecting member 50 is provided with a weak portion 501 capable of enabling the free ends of the two blocking members 20 to move away from each other or move towards each other, an avoidance gap 203 is formed between the first blocking portion 201 and the connecting member 50, when the U-shaped blocking structure is installed, the free ends of the two blocking members 20 are slightly broken away from each other, then the U-shaped blocking structure in the broken state is put into the insertion opening 103, and particularly, care needs to be taken that the second blocking portion 202 and the first protruding portion 201 are sequentially pushed into the insertion opening 103 through the side wall of the connector body 10, the side wall is accommodated in the avoidance gap 203, the U-shaped blocking structure is pushed forward and backward, the U-shaped blocking structure is adjusted, and the two U-shaped blocking structures are adjusted to achieve the natural state, and the U-shaped blocking structure is adjusted, and the U-shaped blocking structure is smoothly put into the two blocking structures.

Further, in order to reduce the manufacturing cost of the U-shaped blocking structure and improve the overall connection strength thereof, the connecting member 50 and the two blocking members 20 are integrally injection molded, and as shown in fig. 4, the weak portion 501 is formed by providing an inwardly concave groove, preferably a groove having an arcuate surface, in the middle of the connecting member 50, but it should be noted that the maximum height of the concave groove should not exceed 2/3 of the total thickness thereof in order to ensure the strength of the connecting member 50.

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. An electrical connector comprising a connector body and a blocking member mated with the connector body, wherein: at least one first accommodating cavity for accommodating a first terminal and at least one second accommodating cavity for accommodating a second terminal with different specifications from the first terminal are axially formed in the connector main body, the first terminal and the second terminal are respectively arranged in the corresponding accommodating cavities, and blocking features are formed on the first terminal and the second terminal; the end face, opposite to the first terminal and the second terminal, of one side with blocking characteristics of the connector main body is provided with an insertion port in a penetrating mode, and the insertion port is communicated with the first accommodating cavity and the second accommodating cavity respectively;

2. An electrical connector as in claim 1 wherein: the first blocking part and the second blocking part are discontinuously arranged, and a connecting component matched with each other is arranged between at least one of the first blocking part and the second blocking part and the insertion port.

3. An electrical connector as in claim 2 wherein: the second terminals are provided with a plurality of second terminals, the second terminals are arranged continuously, the top of each second terminal is provided with a blocking feature in an extending mode, the second blocking part is a convex rib formed by extending on one side end face of the blocking part, which faces the second terminal, after the blocking part is inserted into the connector main body, the second blocking part abuts against the front end of the blocking feature at the top of each second terminal.

4. An electrical connector as in claim 3 wherein: the connecting assembly comprises a first buckle arranged at one end of the convex rib far away from the blocking feature, and a second buckle arranged at the insertion port and matched with the first buckle, the blocking piece is pressed, and the first buckle and the second buckle can be connected in a clamping mode.

5. An electrical connector as in claim 4 wherein: and a guiding inclined plane matched with each other is arranged between the first buckle and the second buckle.

6. An electrical connector as in claim 2 wherein: the blocking feature of the first terminal is a groove formed in the first terminal that is recessed inward and matches the shape of the first blocking portion.

7. An electrical connector as in claim 1 wherein: the first terminal and the second terminal are provided with two rows, each row of blocking characteristic parts of the first terminal and the second terminal are correspondingly provided with a blocking piece, and the two blocking pieces are connected through a connecting piece.

8. An electrical connector as in claim 7 wherein: the connecting piece is provided with a weak part which can enable the free ends of the two blocking pieces to move back to back or towards each other.

9. An electrical connector as in claim 7 wherein: and an avoidance gap is formed between the first blocking part and the connecting piece.

10. An electrical connector as in claim 7 wherein: the connecting piece and the two blocking pieces are integrally injection molded.