CN222868145U

CN222868145U - A waterproof connector

Info

Publication number: CN222868145U
Application number: CN202420765843.XU
Authority: CN
Inventors: 朱建春; 朱建慧; 徐民建; 李雪银; 王子林; 张国旭
Original assignee: Zhejiang Kuaili Electronic Corp
Current assignee: Zhejiang Kuaili Electronic Corp
Priority date: 2024-04-13
Filing date: 2024-04-13
Publication date: 2025-05-13
Anticipated expiration: 2034-04-13

Abstract

The utility model relates to a waterproof connector, including a male end and a female end, wherein the male end includes a male rubber shell and a plurality of pins, and the female end includes a female rubber shell and a plurality of female terminals, one end of the female terminal has a plug-in frame plugged with the pins, and the other end of the female terminal has a crimping portion crimped with a wiring harness, a sealing groove matched with the male rubber shell is provided on the outer wall of one end of the female rubber shell, a sealing ring matched with the male rubber shell is provided in the sealing groove, waterproof grooves are provided on both sides of the sealing ring, one end of the male rubber shell is fitted in the waterproof groove on one side of the sealing ring, and a sealing match between the sealing ring and the male rubber shell is formed, a sealing gland is provided at the corresponding crimping portion on the other end of the female rubber shell, a sealing gasket is provided between the sealing gland and the female rubber shell, a sealing hole for the wiring harness to pass through is provided on the sealing gasket, and a wiring harness hole for the wiring harness to pass through is provided on the sealing gland. The utility model has the advantages of compact structure, stable and reliable performance, reliable connection, and good waterproof effect.

Description

Waterproof connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a waterproof connector.

Background

A connector is a device that connects two active devices and is used to transmit current or signals. The main mating fields of the electric connector include traffic, communication, network, IT, medical treatment, household appliances and the like, and the rapid development of the product technology level and the rapid growth of the market thereof in the mating fields strongly pull the development of the connector technology. Up to now, connectors have been developed into a series and specialization of products with complete product types, rich variety specifications, various structural types, subdivision in specialized directions, obvious industrial features, and standard system specifications. The connector comprises a male end and a female end which is spliced with the male end, wherein the male end comprises a male rubber shell and a plurality of contact pins which are respectively arranged in the male rubber shell, the female end comprises a female rubber shell which is connected with the male rubber shell, and a plurality of female terminals which are arranged in the female rubber shell and spliced with the contact pins, the waterproof performance of the existing connector is poor, rainwater enters the connector from the connection part of the male end and the female end easily, the waterproof effect of the female end is poor, and the rainwater enters the female end easily along a wire harness, so that the connector cannot meet the use requirement under severe environment. And the pin of the male end has larger shaking space in the female terminal of the female end, and the male terminal and the female terminal are easy to have poor contact phenomenon under the conditions of repeated plugging and high-frequency vibration, so that the connector has the defect of unreliable working performance.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the waterproof connector which has the advantages of compact structure, stable and reliable performance, reliable connection and good waterproof effect.

In order to achieve the above purpose, the waterproof connector comprises a male end and a female end connected with the male end, wherein the male end comprises a male rubber shell and a plurality of pins respectively arranged in the male rubber shell, the female end comprises a female rubber shell connected with the male rubber shell and a plurality of female terminals respectively arranged in the female rubber shell and spliced with the pins, one end of the female terminal is provided with a splicing frame spliced with the pins, the other end of the female terminal is provided with a crimping part crimped with a wire harness, the outer wall of one end of the female rubber shell is provided with a sealing groove matched with the male rubber shell, sealing rings matched with the male rubber shell are arranged in the sealing groove, waterproof grooves are respectively arranged on two sides of the sealing rings, one end of the male rubber shell is spliced in the waterproof grooves on one side of the sealing rings, sealing covers are arranged at the positions corresponding to the other ends of the female rubber shell, sealing gaskets are arranged between the sealing covers and the female rubber shell, the sealing gaskets are arranged on the sealing covers, and the wire harness can pass through sealing holes in the sealing covers.

The connector has the beneficial effects that the connector adopts the double waterproof structure design, the waterproof effect is better, the sealing ring is arranged between the male rubber shell and the female rubber shell, the male rubber shell is attached in the waterproof groove of the sealing ring, the sealing effect is better, and the sealing performance between the male rubber shell and the female rubber shell is improved. The sealing gasket is arranged between the masterbatch shell and the sealing gland, the sealing performance between the masterbatch shell and the sealing gland can be enhanced, and rainwater can be prevented from entering the masterbatch end along the wire harness by the sealing gasket, so that the waterproof effect of the connector can be enhanced. The female terminal is spliced with the contact pin by adopting the splicing frame body, so that the connection between the female terminal and the contact pin can be ensured to be more reliable. Therefore, the connector has the advantages of compact structure, stable and reliable performance, reliable connection and good waterproof effect.

Particularly, the sealing gland is provided with a positioning groove matched with the shape of the sealing gasket, and the sealing gasket is clamped in the positioning groove and forms clamping fit between the sealing gland and the sealing gasket. The sealing ring is clamped in the positioning groove of the sealing gland, so that the sealing effect of the sealing gasket, the sealing gland and the masterbatch shell can be ensured, and the waterproof performance of the connector can be improved.

Particularly, the sealing gland both sides be provided with two cardboard, two cardboard on be provided with the joint hole respectively, the outer wall of masterbatch shell on be provided with two joint piece with two cardboard matched with, two joint piece block in the joint hole of two cardboard, and constitute sealing gland and masterbatch shell's joint cooperation. The sealing gland and the masterbatch shell are assembled in a clamping and matching mode, and the assembly is more convenient.

Particularly, two contact protruding points are respectively arranged on two inner side walls of the plug-in frame body, and the contact protruding points are respectively abutted on two sides of the pin. Contact salient points pressed on the contact pins are arranged in the plug-in frame body, so that the contact pressure between the plug-in frame body and the contact pins can be increased, the shaking space of the contact pins in the female terminal can be effectively reduced, and the contact pins can be reliably contacted with the female terminal under the conditions of repeated plugging and high-frequency vibration.

Particularly, the female terminal on the symmetry be provided with two anticreep spacing pieces, the female glue shell in be provided with anticreep spacing piece matched with spacing groove, two anticreep spacing pieces block in the spacing groove, and constitute the spacing cooperation of female terminal and female glue shell. The anti-falling limiting piece plays an anti-falling role on the female terminal, the female terminal and the female rubber shell are not easy to loose and fall off, and the connection between the female terminal and the female rubber shell can be ensured to be more compact.

Drawings

Fig. 1 is a perspective view of an embodiment of the present utility model.

Fig. 2 is a cross-sectional view of an embodiment of the present utility model.

Fig. 3 is an exploded view of an embodiment of the present utility model.

Detailed Description

As shown in fig. 1 to 3, the embodiment of the utility model is a waterproof connector, which comprises a male end 10 and a female end 20 connected with the male end 10, wherein the male end 10 comprises a male rubber shell 11 and a plurality of pins 12 respectively arranged in the male rubber shell 11, the female end 20 comprises a female rubber shell 21 connected with the male rubber shell, and a plurality of female terminals 22 respectively arranged in the female rubber shell 21 and spliced with the pins 12, one end of the female terminal 22 is provided with a splicing frame 221 spliced with the pins 12, the other end of the female terminal 22 is provided with a crimping part 222 crimped with a wire harness, a sealing groove 211 matched with the male rubber shell 11 is arranged on the outer wall of one end of the female rubber shell 21, a waterproof groove 231 is respectively arranged on two sides of the sealing groove 23, one end of the male rubber shell 11 is arranged in the groove 231 on one side of the sealing groove 23, the sealing groove 23 is matched with the male rubber shell 11, one end of the female rubber shell 22 is provided with the sealing groove 22, the other end of the female rubber shell 22 is provided with a sealing pad 24, and the other end of the female rubber shell 22 is provided with a sealing pad 24 which can be crimped with the sealing groove 24, and the sealing pad 24 is arranged on the sealing pad 25.

As shown in fig. 2 and 3, the sealing gland 24 is provided with a positioning groove 242 matching with the shape of the sealing gasket 25, the sealing gasket 25 is clamped in the positioning groove 242, and the sealing gland 24 is matched with the sealing gasket 25 in a clamping way. The sealing ring is clamped in the positioning groove of the sealing gland, so that the sealing effect of the sealing gasket, the sealing gland and the masterbatch shell can be ensured, and the waterproof performance of the connector can be improved. Two clamping plates 243 are arranged on two sides of the sealing gland 24, clamping holes 244 are respectively formed in the two clamping plates 243, two clamping blocks 212 matched with the two clamping plates 243 are arranged on the outer wall of the masterbatch shell 21, and the two clamping blocks 212 are clamped in the clamping holes 244 of the two clamping plates 243 to form clamping fit between the sealing gland 24 and the masterbatch shell 21. The sealing gland and the masterbatch shell are assembled in a clamping and matching mode, and the assembly is more convenient. Two contact protruding points 2211 are respectively arranged on two inner side walls of the plug frame 221, and the contact protruding points 2211 respectively abut against two sides of the pin 12. Contact salient points pressed on the contact pins are arranged in the plug-in frame body, so that the contact pressure between the plug-in frame body and the contact pins can be increased, the shaking space of the contact pins in the female terminal can be effectively reduced, and the contact pins can be reliably contacted with the female terminal under the conditions of repeated plugging and high-frequency vibration. The female terminal 22 on the symmetry be provided with two anticreep spacing pieces 223, female glue shell 21 in be provided with anticreep spacing piece 223 matched with spacing groove 213, two anticreep spacing pieces 223 block in spacing groove 213, and constitute the spacing cooperation of female terminal 22 and female glue shell 21. The anti-falling limiting piece plays an anti-falling role on the female terminal, the female terminal and the female rubber shell are not easy to loose and fall off, and the connection between the female terminal and the female rubber shell can be ensured to be more compact.

This connector adopts dual waterproof construction design, and the water-proof effects is better, is provided with the sealing washer between public shell of gluing and masterbatch shell, and public shell of gluing is in the waterproof groove of sealing washer, and sealed effect is better, is favorable to promoting the sealing performance between public shell of gluing and the masterbatch shell. The sealing gasket is arranged between the masterbatch shell and the sealing gland, the sealing performance between the masterbatch shell and the sealing gland can be enhanced, and rainwater can be prevented from entering the masterbatch end along the wire harness by the sealing gasket, so that the waterproof effect of the connector can be enhanced. The female terminal is spliced with the contact pin by adopting the splicing frame body, so that the connection between the female terminal and the contact pin can be ensured to be more reliable. Therefore, the connector has the advantages of compact structure, stable and reliable performance, reliable connection and good waterproof effect.

Claims

1. The utility model provides a waterproof type connector, includes public end, the female end that is connected with public end, public end include public gum shell, a plurality of contact pin that set up respectively in public gum shell, female end including the female gum shell that is connected with public gum shell, a plurality of female terminal that set up respectively in the female gum shell and peg graft mutually with a plurality of contact pins, its characterized in that: female terminal one end have the grafting framework that peg was pegged graft mutually, female terminal other end have the crimping portion that is crimped mutually with the pencil, the outer wall of female rubber shell one end on be provided with public rubber shell matched with seal groove, the seal inslot be provided with public rubber shell matched with sealing washer, the sealing washer both sides on be provided with waterproof groove respectively, public rubber shell one end laminating in the waterproof groove of sealing washer one side, and constitute sealing washer and public rubber shell's sealing fit, female rubber shell other end on correspond crimping portion department and be provided with sealing gland, sealing gland and female rubber shell between sealing be provided with sealed the pad, sealing pad on be provided with the sealing hole that can supply the pencil to pass, sealing gland on be provided with the line bundle hole that can supply the pencil to pass.

2. The waterproof connector of claim 1, wherein the sealing cover is provided with a positioning groove matched with the shape of the sealing gasket, and the sealing gasket is clamped in the positioning groove and forms clamping fit between the sealing cover and the sealing gasket.

3. The waterproof connector of claim 1 or 2, wherein two clamping plates are arranged on two sides of the sealing gland, clamping holes are respectively formed in the two clamping plates, two clamping blocks matched with the two clamping plates are arranged on the outer wall of the masterbatch shell, and the two clamping blocks are clamped in the clamping holes of the two clamping plates to form clamping fit of the sealing gland and the masterbatch shell.

4. The waterproof connector of claim 1 or 2, wherein two contact bumps are respectively arranged on two inner side walls of the plug frame body, and the contact bumps are respectively abutted on two sides of the pin.

5. The waterproof connector of claim 1 or 2, wherein the female terminal is symmetrically provided with two anti-falling limiting pieces, the female rubber shell is internally provided with a limiting groove matched with the anti-falling limiting pieces, and the two anti-falling limiting pieces are clamped in the limiting groove and form limiting fit of the female terminal and the female rubber shell.