CN214589343U

CN214589343U - Insertion piece type plastic high-voltage connector

Info

Publication number: CN214589343U
Application number: CN202120211652.5U
Authority: CN
Inventors: 白志鹏; 邬昌荣; 陈雪
Original assignee: Yueqing Bada Optical Electrical Technology Co ltd
Current assignee: Yueqing Bada Optical Electrical Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-02
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses an inserted sheet formula plastic high voltage connector. The technical scheme adopted comprises the following steps: socket, plug of grafting complex, the socket includes socket shell, sets up male terminal in the socket shell, the plug includes plug shell, sets up female terminal in the plug shell, its characterized in that: the male terminal is flat, the front end of the male terminal is provided with an inserting part which is matched with the female terminal in an inserting mode, the rear end of the male terminal is provided with a group of welding feet which are arranged at intervals, the front end of the socket shell is provided with an inserting cavity, the rear end of the socket shell is provided with a bottom surface, the male terminal is pressed on the bottom surface, the inserting part of the male terminal is arranged in the inserting cavity, and the welding feet of the male terminal are exposed outside the socket shell.

Description

Insertion piece type plastic high-voltage connector

Technical Field

The utility model belongs to new forms of energy electric automobile field, concretely relates to high-voltage connector.

Background

In recent years, with the national advocated green development, the new energy automobile industry has made great progress. In the field of new energy automobile industry, a high-voltage connector is an extremely important element, and is applied to a whole automobile and a charging facility.

A connector is a functional element that makes, breaks or switches an electrical circuit or an optical channel by the action of an electrical or optical signal and a mechanical force. With the popularization of new energy automobiles, the development and the use of plastic connectors are increasing.

The existing plastic high-voltage connector structure comprises: socket and plug which are matched in a plugging way. The socket end is usually connected with the PDU (power distribution unit) end in a copper bar or cable pressing and switching terminal manner by using a screw, and the connection failure is easily caused by the unlocking of a screw.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an insert formula plastic high voltage connector.

In order to solve the above problem, the utility model discloses a technical scheme include: socket, plug of grafting complex, the socket includes socket shell, sets up male terminal in the socket shell, the plug includes plug shell, sets up female terminal in the plug shell, its characterized in that: the male terminal is flat, the front end of the male terminal is provided with an inserting part which is matched with the female terminal in an inserting mode, the rear end of the male terminal is provided with a group of welding feet which are arranged at intervals, the front end of the socket shell is provided with an inserting cavity, the rear end of the socket shell is provided with a bottom surface, the male terminal is pressed on the bottom surface, the inserting part of the male terminal is arranged in the inserting cavity, and the welding feet of the male terminal are exposed outside the socket shell.

The inserted sheet formula plastic high voltage connector, its characterized in that: the rear end of the socket shell is provided with a secondary backstop piece, and the welding leg of the male terminal is inserted into the positioning hole of the secondary backstop piece.

The inserted sheet formula plastic high voltage connector, its characterized in that: and a positioning plate is arranged on one side of the secondary stopping piece, and a positioning groove matched with the positioning plate is arranged on the male terminal.

The inserted sheet formula plastic high voltage connector, its characterized in that: the secondary stopping piece is connected with the socket shell through the buckles on two sides.

The inserted sheet formula plastic high voltage connector, its characterized in that: the socket shell is characterized in that a sealing gasket is embedded in a flange at the lower end of the socket shell and is connected with the flange through positioning columns on four corners, and a conical positioning portion is arranged at the top of each positioning column.

The inserted sheet formula plastic high voltage connector, its characterized in that: the plug shell is hinged with a power-assisted handle, and the power-assisted handle is connected with the connecting shaft at the front end of the socket shell through a waist-shaped hole on one side.

The inserted sheet formula plastic high voltage connector, its characterized in that: the front end of the plug is provided with an interface sealing ring, and the rear end of the plug is provided with a cable sealing ring.

The inserted sheet formula plastic high voltage connector, its characterized in that: the number of the welding feet is three.

The inserted sheet formula plastic high voltage connector, its characterized in that: the front end of the female terminal is provided with a jack part and the rear end of the jack part is provided with a pressing pin, wherein the jack part is matched with the inserting part of the male terminal.

The utility model discloses an inserted sheet formula plastic high voltage connector advantage as follows: the socket end is of a plate-to-plate welding structure and is connected with the PCB through six spot welding, the welding connection performance of the socket end is better than that of the traditional threaded connection, the current carrying capacity of the socket end is better in the welding mode, and connection failure caused by the fact that the traditional threaded connection mode is not locked is avoided.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

FIG. 1 is a schematic diagram of the plug-in state of the plug-in sheet type plastic high-voltage connector according to the present invention;

fig. 2 is an exploded view of the socket of the present invention;

fig. 3 is a transverse cross-sectional view of the socket of the present invention;

fig. 4 is a longitudinal sectional view of the socket of the present invention;

fig. 5 is an exploded view of the plug of the present invention;

fig. 6 is a cross-sectional view of the plug of the present invention;

fig. 7 is a schematic structural view of the male terminal of the present invention;

FIG. 8 is a schematic structural view of the secondary retaining member of the present invention;

fig. 9 is a schematic structural view of the female terminal of the present invention.

Detailed Description

Referring to fig. 1-9, the plug-in sheet type plastic high-voltage connector of the present invention includes a socket 1 and a plug 2 which are in plug-in fit. The socket 1 includes a socket housing 3, and a male terminal 4 provided in the socket housing 3. The plug 2 comprises a plug housing 5, a female terminal 6 arranged in the plug housing 5. The male terminal 4 is integrally formed in a punch forming mode and is flat, the front end of the male terminal is provided with an inserting part 7 which is matched with the female terminal 6 in an inserting mode, and the top of the inserting part 7 is conical so that the female terminal 6 can be smoothly inserted. The rear end of the male terminal 4 is provided with a group of welding feet 8 which are arranged at intervals. The front end of the female terminal 6 is provided with a jack part 23 matched with the plug part 7 of the male terminal 4, and the rear end is provided with a line pressing pin 24. The inserting hole part 23 is inserted and matched with the inserting part 7. The front end of the socket shell 3 is provided with a plug-in cavity 9, the rear end is provided with a bottom surface 10, the male terminal 4 is pressed on the bottom surface 10, the plug-in part 7 is arranged in the plug-in cavity 9, and the welding leg 8 is exposed out of the socket shell 3.

Preferably, a secondary retaining piece 11 is arranged at the rear end of the socket housing 3, and the secondary retaining piece 11 is connected with the socket housing 3 through buckles 15 on two sides. And the welding leg 8 of the male terminal 4 is inserted into the positioning hole 12 of the secondary retaining piece 11, so that the holding force of the male terminal is effectively increased, and the connection is more reliable.

Preferably, a positioning plate 13 is arranged on one side of the secondary retaining member 11, and a positioning groove 14 matched with the positioning plate 13 is arranged on the male terminal 4. So as to further increase the holding force of the male terminal and ensure that the connection is more reliable.

Preferably, the flange 16 at the lower end of the socket housing 3 is embedded with a sealing gasket 17, the sealing gasket 17 is connected with the flange 16 through positioning columns 25 at four corners, and the top of each positioning column 25 is provided with a conical positioning part 26 to effectively prevent the problems of overpressure and easy falling of the sealing gasket. The front end of the plug 2 is provided with an interface sealing ring 21, and the rear end of the plug 2 is provided with a cable sealing ring 22, a wire clamp 27 and a rear end cover 28. The connector is integrally sealed by the sealing gasket, the plug interface sealing ring and the cable sealing ring at the tail part of the plug under the plugging state of the plug and the socket, so that the requirements of IP68 and IP6K9K on higher protection levels can be met, and the protection reliability of products is improved.

Preferably, the plug housing 5 is hinged with a power-assisted handle 18, and the power-assisted handle 18 is connected with a connecting shaft 20 at the front end of the socket housing 3 through a waist-shaped hole 19 on one side. In the process of inserting and closing the plug and the socket, the locking action can be completed only by pulling the power-assisted handle to the inserting and closing position, and the separation action can be completed only by pressing the TPA structure on the plug shell and pulling the power-assisted handle when the plug and the socket are opened, so that the plug and the socket are suitable for operation in a small space.

Preferably, the number of the solder tails 8 is three, so as to ensure sufficient current carrying capacity and stability after soldering with a PCB.

In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.

Claims

1. The utility model provides an inserted sheet formula plastic high voltage connector, is including grafting complex socket (1), plug (2), socket (1) is in including socket shell (3), setting male terminal (4) in socket shell (3), plug (2) are in including plug shell (5), setting female terminal (6) in plug shell (5), its characterized in that: public terminal (4) are the platykurtic, its front end have with female terminal (6) are pegged graft complex grafting portion (7), the rear end has a set of interval arrangement's leg (8), socket housing (3) front end has grafting chamber (9), the rear end has bottom surface (10), public terminal (4) crimping is in on bottom surface (10), and its grafting portion (7) are arranged in grafting chamber (9), and its leg (8) expose outside socket housing (3).

2. The chip plastic high-voltage connector as claimed in claim 1, wherein: the socket is characterized in that a secondary retaining piece (11) is arranged at the rear end of the socket shell (3), and the welding leg (8) of the male terminal (4) is inserted into a positioning hole (12) of the secondary retaining piece (11).

3. The chip plastic high-voltage connector as claimed in claim 2, wherein: and a positioning plate (13) is arranged on one side of the secondary stopping piece (11), and a positioning groove (14) matched with the positioning plate (13) is arranged on the male terminal (4).

4. The chip plastic high-voltage connector as claimed in claim 2, wherein: the secondary retaining piece (11) is connected with the socket shell (3) through buckles (15) on two sides.

5. The chip plastic high-voltage connector as claimed in claim 1, wherein: the socket is characterized in that a sealing gasket (17) is embedded in a flange (16) at the lower end of the socket shell (3), the sealing gasket (17) is connected with the flange (16) through positioning columns (25) on four corners, and a conical positioning part (26) is arranged at the top of each positioning column (25).

6. The chip plastic high-voltage connector as claimed in claim 1, wherein: the plug shell (5) is hinged with a power-assisted handle (18), and the power-assisted handle (18) is connected with a connecting shaft (20) at the front end of the socket shell (3) through a waist-shaped hole (19) on one side.

7. The chip plastic high-voltage connector as claimed in claim 1, wherein: the front end of the plug (2) is provided with an interface sealing ring (21), and the rear end is provided with a cable sealing ring (22).

8. The chip plastic high-voltage connector as claimed in claim 1, wherein: the number of the welding feet (8) is three.

9. The chip plastic high-voltage connector as claimed in claim 1, wherein: the front end of the female terminal (6) is provided with a jack part (23) matched with the plug part (7) of the male terminal (4), and the rear end of the female terminal is provided with a line pressing pin (24).