Waterproof connector
By adopting a double waterproof structure and plug-in frame design in the connector, the existing connectors have poor waterproof performance and poor contact, achieving higher waterproofing effect and reliability.
Patent Information
- Application Number
- CN202420765843.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-13
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-04-13
AI Technical Summary
The existing connectors have poor waterproof performance, rainwater is prone to enter the inside of the connector, and in harsh environments, the male terminal and the female terminal are prone to poor contact, resulting in unreliable working performance.
It adopts a double waterproof structure design, including setting a sealing ring between the male rubber shell and the master rubber shell, and setting a sealing gasket between the master rubber shell and the sealing gland to enhance sealing performance. At the same time, the female terminal uses a plug-in frame to plug and pin to reduce the shaking space of the pin and ensure reliable connection.
It significantly improves the waterproofing and reliability of the connector, ensuring stable and reliable operating performance in harsh environments.
Smart Images
Figure CN222868145U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of connectors, in particular to a waterproof connector. Background Art
[0002] A connector is a device that connects two active devices and is used to transmit current or signals. The main supporting fields of electrical connectors include transportation, communications, networks, IT, medical treatment, home appliances, etc. The rapid development of the technical level of products in the supporting fields and the rapid growth of the market have strongly driven the development of connector technology. So far, connectors have developed into a series of and specialized products with a complete range of products, rich varieties and specifications, diverse structural types, subdivided professional directions, obvious industry characteristics, and standardized standard systems. The connector includes a male end and a female end plugged into the male end. The male end includes a male rubber shell and a plurality of pins respectively arranged in the male rubber shell. The female end includes a female rubber shell connected to the male rubber shell and a plurality of female terminals arranged in the female rubber shell and plugged into the plurality of pins. The existing connector has poor waterproof performance, and rainwater can easily enter the connector from the connection between the male end and the female end. The waterproof effect of the female end is poor, and rainwater can easily enter the female end along the wiring harness, so that the connector cannot meet the use requirements in harsh environments. In addition, the pin of the male end has a large shaking space in the female terminal of the female end. Under repeated plugging and unplugging and high-frequency vibration environment, the male terminal and the female terminal are prone to poor contact, so that the connector has the defect of unreliable working performance. Summary of the invention
[0003] The utility model aims to overcome the defects of the prior art and provide a waterproof connector with compact structure, stable and reliable performance, reliable connection and good waterproof effect.
[0004] To achieve the above-mentioned purpose, the utility model adopts a waterproof connector, including a male end and a female end connected to the male end, the male end includes a male rubber shell and a plurality of pins respectively arranged in the male rubber shell, the female end includes a female rubber shell connected to the male rubber shell, a plurality of female terminals respectively arranged in the female rubber shell and plugged with a plurality of pins, one end of the female terminal has a plug-in frame plugged with the pins, the other end of the female terminal has a crimping portion crimped with the wiring harness, and the outer wall of one end of the female rubber shell is provided with a plug-in frame matching the male rubber shell. A sealing groove is provided in the sealing groove, a sealing ring matched with the male rubber shell is provided, 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 sealed 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.
[0005] The beneficial effects of the above structure are: the connector adopts a double waterproof structure design, which has a better waterproof effect. A sealing ring is arranged between the male rubber shell and the female rubber shell, and the male rubber shell fits in the waterproof groove of the sealing ring, which has a better sealing effect, and is beneficial to improving the sealing performance between the male rubber shell and the female rubber shell. A sealing gasket is arranged between the female rubber shell and the sealing gland, which can enhance the sealing performance between the female rubber shell and the sealing gland, and the sealing gasket can prevent rainwater from entering the female end along the wiring harness, thereby helping to enhance the waterproof effect of the connector. The female terminal adopts a plug-in frame to be plugged in with the pin, which can ensure that the connection between the female terminal and the pin is more reliable. Therefore, the connector has the advantages of compact structure, stable and reliable performance, reliable connection, and good waterproof effect.
[0006] In particular, the sealing gland is provided with a positioning groove matching the shape of the sealing gasket, the sealing gasket is engaged in the positioning groove, and the sealing gland and the sealing gasket are engaged. The sealing ring is engaged in the positioning groove of the sealing gland, thereby ensuring the sealing effect between the sealing gasket, the sealing gland and the mother rubber shell, which is beneficial to improving the waterproof performance of the connector.
[0007] In particular, two clamping plates are provided on both sides of the sealing gland, and clamping holes are provided on the two clamping plates respectively. Two clamping blocks matching with the two clamping plates are provided on the outer wall of the mother rubber shell. The two clamping blocks are clamped in the clamping holes of the two clamping plates, and constitute the clamping fit between the sealing gland and the mother rubber shell. The sealing gland and the mother rubber shell are assembled by clamping fit, which is more convenient.
[0008] In particular, two contact convex points are respectively arranged on the two inner side walls of the plug frame, and the contact convex points respectively abut on the two sides of the plug pin. The plug frame is provided with contact convex points pressed on the plug pin, which can increase the contact pressure between the plug frame and the plug pin, and can effectively reduce the shaking space of the plug pin in the female terminal. In the environment of multiple plugging and unplugging and high-frequency vibration, the plug pin and the female terminal can maintain reliable contact.
[0009] In particular, two anti-dropout limiting pieces are symmetrically arranged on the female terminal, and a limiting groove matching the anti-dropout limiting piece is arranged in the female rubber shell. The two anti-dropout limiting pieces are engaged in the limiting groove, and constitute the limiting match between the female terminal and the female rubber shell. The anti-dropout limiting piece prevents the female terminal from dropping out, and the female terminal and the female rubber shell are not easy to loosen or fall off, which can ensure a more compact connection between the female terminal and the female rubber shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a stereogram of an embodiment of the utility model.
[0011] Figure 2 It is a cross-sectional view of an embodiment of the utility model.
[0012] Figure 3 This is an exploded view of an embodiment of the utility model. DETAILED DESCRIPTION
[0013] like Figures 1 to 3 As shown, the embodiment of the utility model is a waterproof connector, including a male end 10, a female end 20 connected to the male end 10, the male end 10 includes a male rubber shell 11, a plurality of pins 12 respectively arranged in the male rubber shell 11, the female end 20 includes a female rubber shell 21 connected to the male rubber shell, a plurality of female terminals 22 respectively arranged in the female rubber shell 21 and plugged with the plurality of pins 12, one end of the female terminal 22 has a plug-in frame 221 plugged with the pins 12, the other end of the female terminal 22 has a crimping portion 222 crimped with the wiring harness, and a sealing groove 221 matching the male rubber shell 11 is provided on the outer wall of one end of the female rubber shell 21 11, a sealing ring 23 matched with the male rubber shell 11 is arranged in the sealing groove 211, and waterproof grooves 231 are respectively arranged on both sides of the sealing ring 23, and one end of the male rubber shell 11 is fitted in the waterproof groove 231 on one side of the sealing ring 23, and a sealing match between the sealing ring 23 and the male rubber shell 11 is formed, and a sealing gland 24 is arranged at the corresponding crimping portion 222 on the other end of the female rubber shell 21, and a sealing gasket 25 is sealed between the sealing gland 24 and the female rubber shell 21, and a sealing hole 251 for the wiring harness to pass through is arranged on the sealing gasket 25, and a wiring harness hole 241 for the wiring harness to pass through is arranged on the sealing gland 24.
[0014] like Figure 2 and 3As shown, the sealing gland 24 is provided with a positioning groove 242 matching the shape of the sealing gasket 25, and the sealing gasket 25 is engaged in the positioning groove 242, and the sealing gland 24 and the sealing gasket 25 are engaged. The sealing ring is engaged in the positioning groove of the sealing gland, so as to ensure the sealing effect of the sealing gasket, the sealing gland and the mother rubber shell, which is beneficial to improve the waterproof performance of the connector. Two clamping plates 243 are provided on both sides of the sealing gland 24, and the two clamping holes 244 are respectively provided on the two clamping plates 243. Two clamping blocks 212 matching the two clamping plates 243 are provided on the outer wall of the mother rubber shell 21, and the two clamping blocks 212 are engaged in the clamping holes 244 of the two clamping plates 243, and the sealing gland 24 and the mother rubber shell 21 are engaged. The sealing gland and the mother rubber shell are assembled in a clamping manner, which is more convenient to assemble. Two contact protrusions 2211 are respectively arranged on the two inner side walls of the plug-in frame 221, and the contact protrusions 2211 respectively contact the two sides of the plug pin 12. The plug-in frame is provided with contact protrusions pressed on the plug pin, which can increase the contact pressure between the plug-in frame and the plug pin, and can effectively reduce the shaking space of the plug pin in the female terminal. Under multiple plug-ins and high-frequency vibration environments, the plug pin and the female terminal can maintain reliable contact. Two anti-slip limit plates 223 are symmetrically arranged on the female terminal 22, and a limit groove 213 matching the anti-slip limit plate 223 is arranged in the female rubber shell 21. The two anti-slip limit plates 223 are engaged in the limit groove 213, and constitute the limit cooperation between the female terminal 22 and the female rubber shell 21. The anti-slip limit plate has an anti-slip effect on the female terminal, and the female terminal and the female rubber shell are not easy to loosen or fall off, which can ensure that the connection between the female terminal and the female rubber shell is more compact.
[0015] The connector adopts a double waterproof structure design, which has a better waterproof effect. A sealing ring is arranged between the male rubber shell and the female rubber shell. The male rubber shell fits in the waterproof groove of the sealing ring, which has a better sealing effect and is conducive to improving the sealing performance between the male rubber shell and the female rubber shell. A sealing gasket is arranged between the female rubber shell and the sealing gland. The sealing gasket can enhance the sealing performance between the female rubber shell and the sealing gland, and the sealing gasket can prevent rainwater from entering the female end along the wiring harness, which is conducive to enhancing the waterproof effect of the connector. The female terminal adopts a plug-in frame to be plugged in with the pin, which can ensure that the connection between the female terminal and the pin is more reliable. Therefore, the connector has the advantages of compact structure, stable and reliable performance, reliable connection, and good waterproof effect.
Claims
1. A waterproof connector, comprising a male end and a female end connected to the male end, wherein the male end comprises a male rubber shell and a plurality of pins respectively arranged in the male rubber shell, and the female end comprises a female rubber shell connected to the male rubber shell and a plurality of female terminals respectively arranged in the female rubber shell and plugged with the plurality of pins, characterized in that: One end of the female terminal has a plug-in frame that is plugged into the pin, and the other end of the female terminal has a crimping portion that is crimped into the wiring harness. A sealing groove that matches the male rubber shell is provided on the outer wall of one end of the female rubber shell, and a sealing ring that matches 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 fit 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, and a sealing gasket is sealed between the sealing gland and the female rubber shell. The sealing gasket is provided with a sealing hole for the wiring harness to pass through, and the sealing gland is provided with a wiring harness hole for the wiring harness to pass through.
2. The waterproof connector according to claim 1, characterized in that: The sealing gland is provided with a positioning groove matching the outer shape of the sealing gasket, and the sealing gasket is engaged in the positioning groove to form a snap fit between the sealing gland and the sealing gasket.
3. The waterproof connector according to claim 1 or 2, characterized in that: Two clamping plates are arranged on both sides of the sealing gland, and clamping holes are arranged on the two clamping plates respectively. Two clamping blocks cooperating with the two clamping plates are arranged on the outer wall of the mother rubber shell. The two clamping blocks are clamped in the clamping holes of the two clamping plates, and constitute the clamping cooperation between the sealing gland and the mother rubber shell.
4. The waterproof connector according to claim 1 or 2, characterized in that: Two contact protrusions are respectively arranged on the two inner side walls of the plug-in frame, and the contact protrusions respectively abut against the two sides of the plug-in pin.
5. The waterproof connector according to claim 1 or 2, characterized in that: The female terminal is symmetrically provided with two anti-dropping limiting pieces, the female rubber shell is provided with a limiting groove matched with the anti-dropping limiting piece, the two anti-dropping limiting pieces are engaged in the limiting groove, and constitute the limiting cooperation between the female terminal and the female rubber shell.