CN108448290B

CN108448290B - Connector with stable air tightness

Info

Publication number: CN108448290B
Application number: CN201810387382.6A
Authority: CN
Inventors: 蒋德鑫; 刘小兵; 周继强
Original assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Current assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Priority date: 2018-04-26
Filing date: 2018-04-26
Publication date: 2024-01-26
Anticipated expiration: 2038-04-26
Also published as: CN108448290A

Abstract

The invention discloses a connector with stable air tightness, which comprises a first connecting terminal, a second connecting terminal, a third connecting terminal, a fourth connecting terminal, a fifth connecting terminal, an inner sealing piece and an outer sealing piece; the first connecting terminal, the second connecting terminal and the third connecting terminal are parallel to each other and have the same structure, the fourth connecting terminal and the fifth connecting terminal are parallel to each other and have the same structure; the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal are respectively sealed and inlaid in the inner sealing piece, the inner sealing piece is sealed and inlaid in the outer sealing piece, and the two ends of the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal respectively extend out of the outer sealing piece. The connector has the advantages that the connector can well meet the air tightness and waterproof test; the dimensional stability of the connector is free from dimension cumulative errors.

Description

Connector with stable air tightness

Technical Field

The invention relates to the technical field of connectors, in particular to a connector with stable air tightness.

Background

The controller of the automobile oil pump is connected with a power supply through a connector, the traditional connector is poor in air tightness and waterproof performance, and the requirements of the air tightness of less than or equal to 0.2Mpa and the waterproof test IP67 cannot be met; meanwhile, the conventional connector has dimensional instability, and there is a dimensional accumulated error.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides a connector with stable air tightness.

The invention relates to a technical scheme that:

a connector with stable air tightness comprises a first connecting terminal, a second connecting terminal, a third connecting terminal, a fourth connecting terminal, a fifth connecting terminal, an inner sealing piece and an outer sealing piece; the first connecting terminal, the second connecting terminal and the third connecting terminal are parallel to each other and have the same structure, the fourth connecting terminal and the fifth connecting terminal are parallel to each other and have the same structure; the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal are respectively sealed and inlaid in the inner sealing piece, the inner sealing piece is sealed and inlaid in the outer sealing piece, and the two ends of the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal respectively extend out of the outer sealing piece.

The first connecting terminal is formed by a first fold extending horizontally from an initial end to the right, a second fold folded upwards, a third fold folded horizontally to the right, a fourth fold obliquely to the right and a fifth fold horizontally to the right; the second fold, the third fold and the fourth fold, the rear section of the first fold and the front section of the fifth fold are respectively and hermetically inlaid in the inner layer sealing piece.

The fourth connecting terminal is composed of a first extending plate, a second extending plate, a third extending plate and a fourth extending plate, wherein the first extending plate extends horizontally to the right from the initial end, the second extending plate extends forwards, the third extending plate extends upwards, the fourth extending plate extends horizontally to the right, and the middle part of the fourth extending plate is embedded in the inner sealing piece in a sealing mode.

The surface of the third extension plate and the surface of the fourth extension plate are provided with embossments, the rear section of the first extension plate, the second extension plate and the third extension plate are embedded in the outer layer sealing piece in a sealing mode, and the tail end of the fourth extension plate extends out of the outer layer sealing piece.

One preferable scheme is that the inner sealing piece and the outer sealing piece are made of plastic materials; the second fold, the third fold, the fourth fold, the rear section of the first fold and the front section of the fifth fold are respectively injection molded with the inner layer sealing piece to form an integral structure, and the inner layer sealing piece and the outer layer sealing piece are injection molded to form an integral structure.

In combination with the technical scheme, the invention has the beneficial effects that: the middle sections of the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal are respectively embedded in the inner sealing piece in a sealing way, and the inner sealing piece is embedded in the outer sealing piece in a sealing way, so that the connector can well meet the air tightness and waterproof test; the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal are respectively injection-molded with the inner sealing piece to form an integrated structure, so that the dimensional stability of the connector is ensured, and the dimension accumulated error does not exist.

The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a perspective view of a first connection terminal in the present invention;

fig. 4 is a perspective view of a fourth connection terminal in the present invention.

Detailed Description

As shown in fig. 1 to 4, a connector with stable air tightness includes a first connection terminal 11, a second connection terminal 12, a third connection terminal 13, a fourth connection terminal 14, a fifth connection terminal 15, an inner seal 20, and an outer seal 30. The first connection terminal 11, the second connection terminal 12 and the third connection terminal 13 are parallel to each other and have the same structure, the fourth connection terminal 14 and the fifth connection terminal 15 are parallel to each other and have the same structure. Intermediate sections of the first connection terminal 11, the second connection terminal 12, the third connection terminal 13, the fourth connection terminal 14 and the fifth connection terminal 15 are respectively sealed and inlaid in the inner-layer sealing piece 20, the inner-layer sealing piece 20 is sealed and inlaid in the outer-layer sealing piece 30, and two ends of the first connection terminal 11, the second connection terminal 12, the third connection terminal 13, the fourth connection terminal 14 and the fifth connection terminal 15 respectively extend out of the outer-layer sealing piece 30.

As shown in fig. 1 to 4, the intermediate sections of the first connection terminal 11, the second connection terminal 12, the third connection terminal 13, the fourth connection terminal 14 and the fifth connection terminal 15 are respectively sealed and inlaid in the inner-layer sealing member 20, and the inner-layer sealing member 20 is sealed and inlaid in the outer-layer sealing member 30, so that the connector can well meet the air tightness and waterproof test.

As shown in fig. 2 and 3, the second connection terminal 12 and the third connection terminal 13 are respectively identical in structure to the first connection terminal 11. The first connection terminal 11 is composed of a first fold 111 extending horizontally to the right from the initial end, a second fold 112 folded upward, a third fold 113 folded horizontally to the right, a fourth fold 114 folded obliquely to the right front, and a fifth fold 115 folded horizontally to the right; the second fold 112, the third fold 113 and the fourth fold 114, the rear section of the first fold 111, and the front section of the fifth fold 115 are respectively sealed and inlaid within the inner seal 20. The bent structure of the first connection terminal 11 increases the air tightness and the waterproof property of the connector.

As shown in fig. 2 and 4, the fourth connection terminal 14 and the fifth connection terminal 15 are parallel to each other and are identical in structure. The fourth connection terminal 14 is composed of a first extension plate 141 extending horizontally from the initial end to the right, a second extension plate 142 extending forward, a third extension plate 143 extending upward, a fourth extension plate 144 extending horizontally to the right, and the middle part of the fourth extension plate 144 is sealed and embedded in the inner seal 20. The first extension panel 141 is parallel to the first fold 111 and the fourth extension panel 144 is parallel to the third fold 113.

As shown in fig. 2 and 4, the surfaces of the third extension plate 143 and the fourth extension plate 144 are provided with embossments, the rear section of the first extension plate 141, the second extension plate 142, the third extension plate 143, the rear section of the fourth extension plate 144 are sealingly inlaid in the outer seal 30, and the distal end of the fourth extension plate 144 protrudes out of the outer seal 30. The surfaces of the third extension plate 143 and the fourth extension plate 144 are provided with embossments, and the third extension plate 143 and the fourth extension plate 144 are integrally injection-molded with the outer seal 30, and the embossments are embedded in the outer seal 30, so that the air tightness and the water resistance of the connector are better.

As shown in fig. 1 to 4, the inner seal member 20 and the outer seal member 30 are made of plastic materials; the second fold 112, the third fold 113 and the fourth fold 114, the rear section of the first fold 111, and the front section of the fifth fold 115 are respectively injection molded with the inner seal 20 as a unitary structure, and the inner seal 20 and the outer seal 30 are injection molded as a unitary structure.

As shown in fig. 1 to 4, the first connection terminal 11, the second connection terminal 12, the third connection terminal 13, the fourth connection terminal 14 and the fifth connection terminal 15 are injection molded integrally with the inner seal 20, respectively, ensuring dimensional stability of the connector: reducing the dimension accumulation error.

As shown in fig. 1 to 4, the outer seal member 30 is provided with a clamping groove structure and a screw hole connected with an external controller, and one end of the first connection terminal 11, the second connection terminal 12, the third connection terminal 13, the fourth connection terminal 14 and the fifth connection terminal 15 are connected with corresponding interfaces of the external controller, and the other end is connected with a power line. The outer seal 30 is fixedly connected with an external controller by means of screws.

The foregoing is a specific embodiment of the invention, it will be appreciated by those skilled in the art that modifications and variations may be made without departing from the principles of the invention, and such modifications and variations are to be regarded as being within the scope of the invention.

Claims

1. A connector with stable air tightness is characterized by comprising a first connecting terminal, a second connecting terminal, a third connecting terminal, a fourth connecting terminal, a fifth connecting terminal, an inner sealing piece and an outer sealing piece; the first connecting terminal, the second connecting terminal and the third connecting terminal are parallel to each other and have the same structure, and the fourth connecting terminal and the fifth connecting terminal are parallel to each other and have the same structure; the middle sections of the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal are respectively embedded in the inner sealing piece in a sealing way, the inner sealing piece is embedded in the outer sealing piece in a sealing way, and two ends of the first connecting terminal, the second connecting terminal, the third connecting terminal, the fourth connecting terminal and the fifth connecting terminal extend out of the outer sealing piece respectively;

the first connecting terminal is composed of a first fold extending horizontally from the initial end to the right, a second fold folded upwards, a third fold folded horizontally to the right, a fourth fold obliquely to the right front and a fifth fold horizontally to the right; the second fold, the third fold, the fourth fold, the rear section of the first fold and the front section of the fifth fold are respectively and hermetically inlaid in the inner layer sealing piece;

the fourth connecting terminal consists of a first extending plate, a second extending plate, a third extending plate and a fourth extending plate, wherein the first extending plate horizontally extends rightward from the initial end, the second extending plate extends forward, the third extending plate extends upward, the fourth extending plate horizontally extends rightward, and the middle part of the fourth extending plate is hermetically inlaid in the inner sealing piece;

the inner sealing piece and the outer sealing piece are made of plastic materials; the second fold, the third fold, the fourth fold, the rear section of the first fold and the front section of the fifth fold are respectively injection-molded with the inner-layer sealing piece to form an integrated structure, and the inner-layer sealing piece and the outer-layer sealing piece are injection-molded to form an integrated structure.

2. The air-tight stable connector according to claim 1, wherein the surfaces of the third extension plate and the fourth extension plate are provided with embossments, the rear section of the first extension plate, the second extension plate, the third extension plate, the rear section of the fourth extension plate are sealingly inlaid in the outer layer seal, and the ends of the fourth extension plate protrude out of the outer layer seal.