CN113922142A

CN113922142A - A kind of interface unit

Info

Publication number: CN113922142A
Application number: CN202111125640.1A
Authority: CN
Inventors: 范亚博; 郭利朋; 王伟; 顾文武; 李晨光; 孙倩楠
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-11

Abstract

A connector comprises a connector component and a cable component, wherein the connector component is provided with an insertion hole, and the surface of the axis of the insertion hole forms a certain angle with the insertion direction of the connector; and cables in the cable assembly are inserted into the corresponding insertion holes and are in conductive connection with the corresponding contact pieces in the connector assembly. This connector modularized design divide into connector subassembly, cable subassembly, three subassembly of fixed seal assembly, realizes automatic and modular assembly more easily, and whole process assembly efficiency is high to the face at the cartridge hole axis place on the connector subassembly is certain angle with the grafting direction of connector, and the grafting direction that has realized the connector is certain angle with the direction of being qualified for the next round of competitions of cable, has realized that the curved formula is qualified for the next round of competitions.

Description

A kind of interface unit

Technical Field

The invention belongs to the technical field of connectors, and particularly relates to a connector for a charging technology.

Background

For electric vehicles, due to the limitation of vehicle body space and the consideration of wiring harness wiring, a charging socket is required to adopt a bent outgoing line mode. The bent outlet of the charging socket brings great difficulty to the connection of the cable and the contact element, the assembly of the shell and the like, is not beneficial to realizing automatic assembly, and reduces the assembly efficiency. Besides the charging socket, other connectors also need to be bent to be led out, and installation is inconvenient.

Disclosure of Invention

Aiming at the technical problem that the bent wire outlet structure of the connector is inconvenient to mount, the invention aims to provide the connector, which can realize the modularization and the automatic assembly of the connector and greatly improve the assembly efficiency of the connector.

The purpose of the invention is realized by adopting the following technical scheme. The connector comprises a connector component and a cable component, wherein the connector component is provided with an insertion hole, and the surface of the axis of the insertion hole forms a certain angle with the insertion direction of the connector; and cables in the cable assembly are inserted into the corresponding insertion holes and are in conductive connection with the corresponding contact pieces in the connector assembly.

Further, the connector assembly comprises a connector housing, an insulator and a contact element are arranged in the connector housing, an opening of the insertion hole is formed in the side wall of the connector housing, and a part of the contact element is arranged in an inner cavity corresponding to the insertion hole.

Furthermore, the termination structure on the cable, the part of the contact member located in the inner cavity of the insertion hole and the connector shell are correspondingly detachably arranged.

Furthermore, the end connection structure is a welding copper bar or a copper pipe terminal.

Furthermore, the termination structure of the cable, the part of the contact member located in the inner cavity of the insertion hole and the connector housing are connected through corresponding fixing bolts, a mounting hole I for mounting the fixing bolt is formed in the connector housing at the connecting position of the three, and a sealing plug is mounted in the inner cavity of the outer end part of the mounting hole I to seal the mounting hole I.

Furthermore, the sealing plug is covered with a cover plate, and the cover plate is detachably arranged on the connector shell.

Furthermore, a boss is arranged on the connector shell, and an opening of the insertion hole is positioned on the end face of the corresponding boss.

Further, the cable is sleeved with a wire sealing body, and the wire sealing body is arranged in the insertion hole after the cable is inserted and used for sealing the cable.

Furthermore, the cable is sleeved with a tail cover, and after the cable is inserted into the cable sealing body and the cable sealing body is sealed, the tail cover is fixed on the corresponding boss through a buckle structure and then fixed on the connector shell.

Furthermore, the inner wall of the insertion hole is provided with a limiting structure, and the cable is inserted into the insertion hole and is connected with the corresponding contact piece in a conduction mode after being matched with the limiting structure.

Compared with the prior art, the invention has the advantages that: this connector modularized design divide into connector subassembly, cable subassembly, three subassembly of fixed seal assembly, realizes automatic and modular assembly more easily, and whole process assembly efficiency is high to the face at the cartridge hole axis place on the connector subassembly is certain angle with the grafting direction of connector, and the grafting direction that has realized the connector is certain angle with the direction of being qualified for the next round of competitions of cable, has realized that the curved formula is qualified for the next round of competitions.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is an exploded view of an embodiment of a connector according to the present invention.

[ reference numerals ]

1-connector component, 101-plug-in hole, 102-mounting hole I, 103-mounting hole III, 104-connector shell, 105-boss, 201-cable, 202-wire sealing body, 203-tail cover, 204-welding copper bar, 205-mounting hole II, 301-fixing bolt, 302-sealing plug, 303-cover plate, 304-fixing screw and 305-mounting hole IV.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

One embodiment of a connector according to the present invention, as shown in fig. 1, can be used for a charging socket modular assembly, which is described by taking a charging socket as an example, and comprises a connector assembly 1, a cable assembly and a fixing sealing assembly. The connector assembly 1 includes a contact, an insulator, a connector housing 104; the cable assembly comprises a cable 201 and accessories which are arranged on the corresponding cable 201 and comprise a cable sealing body 202 and a tail cover 203; the fixed sealing assembly comprises a fixed bolt 301, a sealing plug 302, a cover plate 303 and a fixed screw 304.

The connector assembly 1 is externally provided with a connector housing 104, a contact element and an insulator are arranged inside the connector housing 104, the connector assembly is provided with an insertion hole 101, an opening of the insertion hole 101 is located on a side wall of the connector housing 104, a plane where an axis of the insertion hole 101 is located is at a certain angle with an insertion direction of the charging socket, and in the embodiment, the insertion direction of the charging socket is perpendicular to the plane where the axis of the insertion hole is located. A part of the contact member is disposed in the inner cavity of the insertion hole 101, and a bolt hole is disposed in the part of the contact member located in the inner cavity of the insertion hole. A boss 105 is arranged on the connector housing 104 at the position of the opening of the plugging end of each plugging hole 101, the opening of the plugging hole 101 is arranged on the end surface of the boss 105, and the outer contour of the boss 105 is cylindrical. The inner wall of the insertion hole 101 is provided with a limiting structure, and in the embodiment, the limiting structure is a step arranged on the inner wall of the insertion hole 101. The tail part of the connector shell 104 is also provided with a mounting hole I102 at the position corresponding to the bolt hole of the contact, and a mounting hole III103 is arranged near the mounting hole I102.

The cable assembly comprises a plurality of cables 201, in this embodiment, three cables 201 are provided, correspondingly, three insertion holes 101 are provided on the connector assembly 1, and each cable 201 is inserted into the insertion hole 101 in an individually sealed manner, so that the assembly of the plurality of cables 201 and accessories thereof and the termination of the cables 201 can be performed individually, and the assembly efficiency is improved. The terminal tip of cable 201 removes the insulating skin, set up the terminating structure who is convenient for and connector assembly 1 fixed mounting and switch on the conductor portion that leaks, in this embodiment, terminating structure adopts welding copper bar 204, cable 201 and welding copper bar 204 adopt ultrasonic welding's mode to fix, the one end of welding copper bar 204 and the conductor portion welding of cable, mounting hole II205 has been seted up to the other end, be used for wearing to establish fixing bolt 301, in other embodiments, this terminating structure also can adopt other forms, for example, terminating structure is copper pipe terminal, take the mode of crimping to fix with cable 201. The cable 201 is inserted into the insertion hole 101, and the mounting hole II205 is aligned with the bolt hole of the corresponding contact and the mounting hole I102. The cable 201 is close to the end position and is sleeved with the wire sealing body 202 and the tail cover 203 in sequence, after the cable 201 is inserted and fixed, the wire sealing body 202 is inserted into the insertion hole 101 and is abutted to the step on the inner wall of the insertion hole 101, then the tail cover 203 is fixed on the connector shell 104 through a buckle structure, and meanwhile, the wire sealing body 202 is fixed in the insertion hole 101, so that sealing between the cable 201 and the connector shell 104 is achieved. In the present embodiment, the snap structure is correspondingly disposed on the outer edge of the tail cover 203 and the outer wall of the boss 105.

The three of the mounting holes I102, II205 and the bolt holes on the contacts are connected and fixed by the fixing bolts 301 of the fixing and sealing assembly, so as to fix the cable 201 on the connector assembly 1 and make the terminal structure at the end of the cable 201 and the corresponding contacts connected in conduction. After the fixing bolt 301 is installed, the sealing plugs 302 are plugged into the corresponding mounting holes I102, the mounting holes I102 are tapered holes, the inner diameter of the mounting holes I102 gradually decreases from the outer side to the inner side, when the sealing plugs 302 are plugged into the mounting holes I102, the sealing plugs can be fastened in the mounting holes I102, and then the sealing plugs 302 are covered by the cover plate 303. The cover plate 303 is in a strip shape, and the shape of the cover plate 303 corresponds to the shape of the distribution track of the fixing bolt 301 and the sealing plug 302, so that the cover plate 303 can just cover all the sealing plugs 302. The cover 303 is provided with mounting holes IV305, and when the cover 303 is mounted, the mounting holes IV305 are aligned with the mounting holes IIII103 of the connector housing 104, and at this time, the cover 303 covers all the sealing plugs 302. After the cover 303 is closed, the cover 303 is fixed to the connector housing 104 by fixing screws 304, so that the cover 303 is fixed to the connector assembly 1, and simultaneously the sealing plug 302 is fixed, so that the fixing bolt 301 is sealed with the connector housing 104.

The connector assembly 1 as a main body portion may be individually assembled in advance, and the contact and the insulator are mounted in the connector housing 104, or the contact and the insulator are integrally provided in the connector housing 104. Before the cable assembly is installed, the tail end of each cable 201 is stripped of insulation and is connected with a corresponding welding copper bar 204 in a terminating mode, a wire sealing body 202 and a tail cover 203 are sleeved on each cable 201, then the cables 201 are inserted into corresponding insertion holes 101, when the cables 201 are matched with limiting structures of the insertion holes 101, installation holes II205 in the cables 201 are exactly aligned with bolt holes in a contact piece, and then fixing bolts 301 penetrate through installation holes I102 in a connector shell to fix the cable assembly and the contact piece and enable the cable assembly to be in conductive connection with the contact piece. After all the cables in the cable assembly are installed and fixed, a sealing plug 302 is inserted into each installation hole I102 and covers the cover plate 303, and then the cover plate 303 is fastened by using a fixing screw 304. Then the wire sealing body 202 is plugged in to realize the sealing between the cable 201 and the connector housing, and finally the tail cover 203 is mounted on the connector housing 104 through a buckling structure to fix the wire sealing body 202. This socket modular design charges realizes automatic and modular assembly more easily, and whole process assembly efficiency is high to the grafting direction that has realized the socket that charges is certain angle with the direction of being qualified for the next round of competitions of cable, has realized the curved formula and has been qualified for the next round of competitions.

The sealing plug 302 and the sealing line body 202 are made of rubber in this embodiment, and are both circular cylinders, the outer circumferential surface of the sealing plug 302 and the sealing line body 202 is provided with circular ribs, and the outer contours of the sealing plug 302 and the sealing line body 202 are matched with corresponding hole walls and then sealed.

The modular design of the charging socket not only can be used for the bent outgoing line of a charging socket cable, but also can be used for other connector equipment, and the connector equipment with the structure can enable the cable and an equipment main body to form a certain angle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A connector, characterized by: the connector comprises a connector component (1) and a cable component, wherein the connector component (1) is provided with an insertion hole (101), and the surface of the axis of the insertion hole (101) forms a certain angle with the insertion direction of the connector; the cables (201) in the cable assembly are inserted into the corresponding insertion holes (101) and are in conductive connection with the corresponding contact pieces in the connector assembly.

2. A connector according to claim 1, wherein: the connector assembly (1) comprises a connector housing (104), an insulator and a contact are arranged in the connector housing (104), an opening of the insertion hole (101) is arranged on a side wall of the connector housing (104), and a part of the contact is arranged in an inner cavity corresponding to the insertion hole (101).

3. A connector according to claim 2, wherein: the termination structure on the cable (201), the part of the contact piece positioned in the inner cavity of the insertion hole (101) and the connector shell (104) are correspondingly and detachably arranged.

4. A connector according to claim 3, wherein: the termination structure is a welded copper bar (204) or a copper tube terminal.

5. A connector according to claim 3, wherein: the termination structure of the cable (201), the part of the contact member located in the inner cavity of the insertion hole (101) and the connector shell (104) are connected through corresponding fixing bolts (301), the connector shell (104) at the connection position of the three is provided with a mounting hole I (102) for mounting the fixing bolts (301), and the inner cavity of the outer end part of the mounting hole I (102) is provided with a sealing plug (302) for sealing the mounting hole I (102).

6. A connector according to claim 5, wherein: and a cover plate (303) is covered on the sealing plug (302), and the cover plate (303) is detachably arranged on the connector shell (104).

7. A connector according to claim 1, wherein: the connector shell (104) is provided with a boss (105), and the opening of the insertion hole (101) is positioned on the end face of the corresponding boss (105).

8. A connector according to claim 1 or 7, wherein: the cable (201) is sleeved with a wire sealing body (202), and the wire sealing body (202) is arranged in the insertion hole (101) after the cable (201) is inserted and used for sealing the cable (201).

9. A connector according to claim 8, wherein: the cable (201) is sleeved with a tail cover (203), and after the cable (201) is plugged and the line sealing body (202) is sealed, the tail cover (203) is fixed on the corresponding boss (105) through a buckling structure so as to be fixed on the connector shell (104).

10. A connector according to claim 1, wherein: the inner wall of the insertion hole (101) is provided with a limiting structure, and the cable (201) is inserted into the insertion hole (101) and matched with the limiting structure and then is in conductive connection with the corresponding contact element.