CN210607769U

CN210607769U - Electric connector

Info

Publication number: CN210607769U
Application number: CN201921283670.3U
Authority: CN
Inventors: 敖长宣; 余增轩
Original assignee: Zhuhai Kechuang Power Electronics Co Ltd
Current assignee: Zhuhai Kechuang Power Electronics Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-05-22
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to the technical field of electrical components, in particular to an electric connector, which comprises a plug shell, a socket shell and a wire tail shell, wherein the wire tail shell and the socket shell are respectively buckled at two ends of the plug shell; the utility model discloses a plug connector, including plug shell, socket shell, buckle, plug tail shell, plug portion, socket shell, the buckle that is provided with at least one contact pin portion on the plug shell and can lock joint socket shell, the last jack portion that corresponds with contact pin portion that is provided with of socket shell, the last fender portion that still is provided with of socket shell, contact pin portion correspond and insert in the jack portion, the buckle is close to and crosses fender portion along the axis direction of contact pin portion, plug shell and socket shell looks lock joint are fixed, the utility model discloses a mode that the connector passes through the lock joint is respectively with the both ends of plug shell again of line tail shell and socket shell lock joint, when plug and socket are connected, contact pin portion is pegged graft and is realized electrical connection in the jack.

Description

Electric connector

Technical Field

The utility model relates to an electrical component technical field, concretely relates to electric connector.

Background

The electric connector is a device for performing electric connection and signal transmission between devices, assemblies and assemblies, and systems, and comprises a fixed-end electric connector (hereinafter referred to as socket) and a free-end electric connector (hereinafter referred to as plug). In recent years, energy storage system technology is rapidly developed, a large number of electric connectors are required to be used in the field of energy storage, most of the connectors selected in the current market are connected in a welding mode after cables are installed in tubular metal conductors, and the mode has the risk of micro short circuit, and is applied to an energy storage system, which may cause fire accidents caused by battery short circuit.

SUMMERY OF THE UTILITY MODEL

The present invention at least solves one of the technical problems in the prior art, and provides a connector for connecting a plug and a socket in a lock joint manner, which comprises a plug housing, a socket housing and a wire tail housing, wherein the wire tail housing and the socket housing are respectively locked at two ends of the plug housing; the utility model discloses a connector is with line tail casing and socket casing lock joint both ends of plug casing respectively through the mode of lock joint, when the plug is connected with the socket, contact pin portion is pegged graft and is realized electrical connection in jack portion, avoids the welding in order to have the risk of little short circuit, improves the safety in utilization of electric connector in energy storage system.

As a further improvement of the above scheme, the blocking portion gradually protrudes from the end close to the plug housing to the end far away from the plug housing along the axial direction of the receptacle portion, and the purpose of the blocking portion is that the buckle conveniently passes over the blocking portion to realize buckling connection when the plug housing is connected with the socket housing.

As a further improvement of the above scheme, the buckle is integrally formed on the plug shell, so that the number of parts of the electric connector is reduced, the production and assembly cost is reduced, the buckling stability of the plug shell and the socket shell is ensured, and the buckle is prevented from falling off.

As a further improvement of the above scheme, the buckle includes a buckling part, a supporting part and a pressing part, the supporting part protrudes from the outer surface of the plug housing, and the buckling part and the pressing part are respectively arranged on two sides of the supporting part to form a lever, so that the plug housing and the socket housing can be conveniently disassembled and assembled by a human hand.

As a further improvement of the scheme, corresponding fool-proof structures are respectively arranged on the plug shell and the socket shell, so that the assembling operation of workers is facilitated, and the misassembly is avoided.

As a further improvement of the scheme, the outer wall of the wire tail shell is provided with an anti-skidding structure, so that the operation of a hand is facilitated, the wire tail shell needs to be crimped with a cable and is buckled on the plug shell, the hand needs to apply certain thrust, and the anti-skidding structure increases the friction force between the hand and the wire tail shell.

As a further improvement of the above scheme, a bump is provided on the plug housing, a fastening hole corresponding to the bump is provided on the wire tail housing, the fastening hole can be sleeved on the bump, the plug housing and the wire tail housing are fastened and fixed, and the purpose is to ensure that the wire tail housing is stably connected with the plug housing, and the wire tail housing can use a crimping cable to ensure that the cable is stably contacted with the pin inserting portion.

As a further improvement of the scheme, the contact pin is circular or square, so that the applicability of the electric connector is improved.

As a further improvement of the scheme, the socket shell is provided with the nested nut, and the socket shell penetrates through the nested nut through the bolt to be fixed on the installation surface, so that the installation by workers is facilitated.

As the further improvement of above-mentioned scheme, the line tail casing is equipped with frustum shape or spherical inner chamber, the inner chamber intercommunication has the through wires hole, and the cable penetrates and connects the contact pin portion from the through wires hole, and the line tail casing is buckled on the plug housing and is compressed tightly the cable, and the crimping cable can be stabilized to the line tail casing for the cable connects the contact pin portion all the time, avoids cable and contact pin portion contact failure.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is an exploded view of an embodiment of the present invention;

FIG. 2 is an assembly view of an embodiment of the present invention;

FIG. 3 is a schematic view of an embodiment of the present invention;

fig. 4 is a top view of the structure of the embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

An electrical connector as shown in fig. 1 to 4 includes a plug housing 2, a socket housing 1 and a wire tail housing 3, the wire tail housing 3 and the socket housing 1 are respectively fastened to two ends of the plug housing 2, specifically, at least one pin portion 24 is provided on the plug housing 2, a socket housing 1 is provided with a socket portion 14 corresponding to the pin portion 24, in this embodiment, the pin portions 24 are provided in three rows, each row has six to seven rows, and two adjacent pin portions 24 are provided with a gap, in this embodiment, the pin portions 24 may be circular or conical, or may be square; the plug shell 2 is provided with a buckle 21 capable of buckling the socket shell 1, the socket shell 1 is provided with a blocking portion 12 matched with the buckle 21, when the plug shell 2 is connected with the socket shell 1, the buckle 21 is relatively close to the blocking portion 12 to move and cross the blocking portion 12 so that the plug shell 2 is fixedly buckled with the socket shell 1, namely, in a buckling and fixing state, the pin portion 24 is inserted into the pin hole portion 14, the blocking portion 12 can block the buckle 21 from relatively keeping away from the socket shell 1 to move, and the pin portion 24 is prevented from being pulled out from the pin hole portion 14.

As a further improvement of the above solution, as shown in fig. 1 and fig. 3, the blocking portion 12 protrudes gradually from one end close to the plug housing 2 to one end away from the plug housing 2 along the axial direction of the jack portion 14, in this embodiment, the blocking portion 12 is integrally formed with the socket housing 1, so as to reduce the number of parts of the electrical connector and reduce the production and assembly costs, and when the buckle 21 is relatively close to and abuts against the blocking portion 12, the buckle 21 conveniently crosses the blocking portion 12 to implement buckling, and the blocking portion 12 is a right-angled surface relative to the end away from the plug housing 2 to block the buckle 21 from moving in the direction relatively away from the socket housing 1, so as to implement stable connection between the plug housing 2 and the socket housing 1.

As a further improvement of the above solution, as shown in fig. 1 to 3, the buckle 21 is integrally formed on the plug housing 2, so as to reduce the number of parts of the electrical connector, reduce the production and assembly costs, ensure the buckling stability of the plug housing 2 and the socket housing 1, and prevent the buckle 21 from falling off; in the present embodiment, the plug housing 2, the socket housing 1 and the wire tail housing 3 are made of insulating materials, which can be produced by conventional plastic integral molding or blow molding; further, the buckle 21 includes a buckling portion 211, a supporting portion 212 and a pressing portion 213, the supporting portion 212 protrudes from the outer surface of the plug housing 2, the buckling portion 211 and the pressing portion 213 are respectively disposed at two ends of the supporting portion 212 to form a lever, and when the plug needs to be pulled out, the pressing portion 213 can be manually pressed down, so that the buckling portion 211 causes the lever principle to tilt, and the assembly and disassembly are convenient.

As a further improvement of the above solution, as shown in fig. 1 and fig. 2, the plug housing 2 and the socket housing 1 are respectively provided with corresponding fool-proof structures 13, and the fool-proof structures 13 may be provided with corresponding chamfers or indication arrows on the outer surfaces of the plug housing 2 and the socket housing 1, so as to facilitate assembly operations of workers and avoid misassembly.

As a further improvement of the above scheme, as shown in fig. 1 and fig. 2, the outer wall of the tail housing 3 is provided with an anti-slip structure 33, the anti-slip structure 33 may be a plurality of raised stripes or cross-hatched patterns integrally formed with the tail housing 3, and it is intended to facilitate manual operation, that is, the tail housing 3 needs to be crimped with a cable and fastened to the plug housing 2, a certain pushing force needs to be applied by a hand, the anti-slip structure 33 can increase the friction force between the hand and the tail housing 3, so that the hand can push the tail housing 3 to fasten the tail housing 3 to the plug housing 2.

As a further improvement of the above scheme, as shown in fig. 1 to 4, a bump 23 is disposed on the plug housing 2, a fastening hole 31 corresponding to the bump 23 is disposed on the wire tail housing 3, the fastening hole 31 can be sleeved on the bump 23, and the plug housing 2 and the wire tail housing 3 are fastened and fixed, that is, a human hand pushes the wire tail housing 3 to be inserted into one end of the plug housing 2, the inner wall of the wire tail housing 3 is squeezed by the bump 23 to generate elastic deformation, and the wire tail housing 3 is continuously pushed into the fastening hole 31 to correspond to the bump 23, so that the wire tail housing 3 can be stably fastened on the plug housing 2.

As a further improvement of the above solution, as shown in fig. 1 and fig. 2, the socket housing 1 is provided with a nesting nut 11, the nesting nut 11 may be embedded on the socket housing 1, and the socket housing 1 may be fixed on a mounting surface by passing through the nesting nut 11 through a bolt, so that the installation by a worker is facilitated, and the operation is facilitated without welding or the like.

As the further improvement of above-mentioned scheme, line tail casing 3 is equipped with frustum shape or ball star inner chamber, and the inner chamber intercommunication has through wires hole 32, and the cable penetrates and connects contact pin portion 24 from through wires hole 32, and line tail casing 3 lock joint is to plug casing 2 on and compress tightly the cable, adopts frustum shape or ball star's inner chamber can stabilize the crimping cable for cable is connected contact pin portion 24 all the time, avoids cable and contact failure of contact pin portion 24.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.

Claims

1. An electric connector is characterized by comprising a plug shell (2), a socket shell (1) and a wire tail shell (3),

the wire tail shell (3) and the socket shell (1) are respectively buckled at two ends of the plug shell (2);

the plug shell (2) is provided with at least one pin part (24) and a buckle (21) which can be buckled with the socket shell (1),

the socket shell (1) is provided with a jack part (14) corresponding to the pin part (24), the socket shell (1) is also provided with a blocking part (12),

the pin part (24) is correspondingly inserted into the jack part (14), the buckle (21) approaches to and goes over the stop part (12) along the axial direction of the pin part (24), and the plug shell (2) and the socket shell (1) are buckled and fixed.

2. An electrical connector according to claim 1, wherein the stopper portion (12) is gradually protruded from an end close to the plug housing (2) to an end far from the plug housing (2) in an axial direction of the receptacle portion (14).

3. An electrical connector as claimed in claim 1, characterized in that the catch (21) is provided integrally on the plug housing (2).

4. The electrical connector of claim 3, wherein the latch (21) comprises a latch portion (211), a support portion (212), and a pressing portion (213), the support portion (212) protrudes from the outer surface of the plug housing (2), and the latch portion (211) and the pressing portion (213) are respectively disposed on two sides of the support portion (212) to form a lever.

5. An electrical connector as claimed in claim 1, characterized in that the plug housing (2) and the socket housing (1) are provided with corresponding fool-proof structures (13), respectively.

6. An electrical connector as claimed in claim 1, characterized in that the outer wall of the wire tail housing (3) is provided with an anti-slip structure (33).

7. An electrical connector according to claim 1, wherein the plug housing (2) is provided with a protrusion (23), the tail housing (3) is provided with a fastening hole (31) corresponding to the protrusion (23), the fastening hole (31) can be sleeved on the protrusion (23), and the plug housing (2) and the tail housing (3) are fastened and fixed.

8. An electrical connector as in claim 1 wherein said pins are circular or square.

9. An electrical connector as claimed in claim 1, wherein the socket housing (1) is provided with a nest nut (11), the socket housing (1) being secured to the mounting surface by a bolt passing through the nest nut (11).

10. An electrical connector according to claim 1, wherein the tail housing (3) is provided with a frustum-shaped or spherical inner cavity, the inner cavity is communicated with a threading hole (32), a cable is threaded from the threading hole (32) and is connected with the contact pin part (24), and the tail housing (3) is buckled on the plug housing (2) and compresses the cable.