A waterproof connector

By employing a combination structure of slider and elastic element in the waterproof connector, the problem of large space requirements of existing waterproof connectors is solved, achieving both safety protection and waterproof effect, while reducing the size of the socket.

CN224438019UActive Publication Date: 2026-06-30GUANGDONG HUILEIDE ELECTRIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG HUILEIDE ELECTRIC CO LTD
Filing Date
2025-08-12
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing waterproof connectors require a large installation space, which limits their applicability.

Method used

The structure employs a combination of slider and elastic element. The sliding of the slider within the transverse groove enables the closure and opening of the receiving cavity, reducing the space required for movement. Combined with the design of the drive ramp and return spring, safety and waterproofing are ensured.

Benefits of technology

It achieves safety protection and waterproofing in a limited space, preventing foreign objects and water from entering, improving the space utilization of the socket, and avoiding leakage and damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to a waterproof connector, including a socket. The socket has a receiving cavity and a socket hole communicating with the receiving cavity. At least two springs are arranged in the receiving cavity. A transverse groove is provided between the socket hole and the receiving cavity. A slider is slidably connected in the transverse groove. An elastic element is provided between the slider and the socket. A driving inclined surface is provided on the slider corresponding to the socket hole. When the slider is subjected to the force of the pin on the driving inclined surface, it slides into a first position to open the receiving cavity. The slider slides out to a second position through the elastic potential energy of the elastic element to close the receiving cavity. This connector uses the slider to shield the receiving cavity, preventing foreign objects or fingers from being inserted into the receiving cavity and contacting the springs, thus preventing leakage or electric shock accidents. It also prevents small foreign objects from falling into the receiving cavity and causing damage to the socket. It also provides waterproofing. Furthermore, the slider switches between the first and second positions by sliding, which reduces the space for slider movement and thus reduces the longitudinal and transverse volume of the socket.
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Description

Technical Field

[0001] This utility model relates to the field of connectors, specifically a waterproof connector. Background Technology

[0002] Current connector structures are illustrated in Chinese patent document, application number 202410359125.7, which discloses a waterproof coupler comprising a body, a rotating component, and an energy storage component. The rotating component is housed within a cavity of the body and is rotatably connected to the cavity. The rotating component is equipped with a sealing portion. The energy storage component is also housed within the cavity and cooperates with the rotating component. This prior art achieves the closing and opening of the through hole on the body through the cooperation of the rotating component and the sealing portion. However, in order for the rotating component to achieve this action, sufficient space for the rotating component to rotate needs to be provided within the body. Ultimately, this results in the volume of the body needing to increase its vertical height, making the installation space required for this coupler larger and limiting its applicability. Therefore, the applicant has improved and perfected the connector structure to solve the above problems and provide consumers with a choice for use. Utility Model Content

[0003] The purpose of this invention is to solve the aforementioned problems and provide a waterproof connector with a simple and reasonable structure.

[0004] A waterproof connector includes a socket with a receiving cavity and a socket communicating with the receiving cavity. At least two springs are arranged in the receiving cavity. A transverse groove is provided between the socket and the receiving cavity. A slider is slidably connected in the transverse groove. An elastic element is provided between the slider and the socket. A driving slope is provided on the slider corresponding to the socket. When the slider is subjected to the force of a pin on the driving slope, it slides into a first position to open the receiving cavity. The slider slides out to a second position through the elastic potential energy of the elastic element to close the receiving cavity.

[0005] The objective of this utility model can also be achieved by the following technical measures:

[0006] As a more specific embodiment, the front end of the driving slope has an arc notch corresponding to the position of the insertion hole.

[0007] As a further embodiment, the elastic element includes two or more return springs arranged in a row, the return springs abutting against the rear end face of the slider and the rear groove wall of the transverse groove.

[0008] As a further embodiment, the rear end face of the slider extends to have a spring positioning part, one end of the reset spring is sleeved on the spring positioning part, the rear end of the transverse groove is provided with a spring positioning groove corresponding to the spring positioning part, and the other end of the reset spring is limited in the spring positioning groove.

[0009] As a further embodiment, the insertion hole is a strip-shaped hole, which is stretched along the sliding direction of the slider, and the stretched length of the strip-shaped hole is equal to or less than the width of the spring.

[0010] As a further embodiment, the socket includes a housing and a base. The bottom of the housing has an opening, and the base is embedded in the middle of the housing through the opening. The upper space of the housing and the base together defines a transverse sliding groove. The socket is opened on the top of the housing. The front end of the base has at least two open grooves. Each open groove and the housing wall together define an independent receiving cavity. Each receiving cavity contains a spring.

[0011] As a further embodiment, the base has a partition wall between two adjacent open slots, and the top surface of the partition wall extends with a positioning block. The slider is placed on the top surface of the base and has a positioning slot at its front end that cooperates with the positioning block.

[0012] As a further embodiment, the spring includes a spring body placed in an open slot and a terminal piece connected to the spring body. The bottom surface of the base is provided with a positioning groove that defines the position of the terminal piece. Each shell wall of the outer shell surrounds the bottom surface of the base and together with the bottom surface of the base, defines a first filling groove for injection molding of soft glue.

[0013] As a further embodiment, the rear end of the base is provided with several spaced side slots, and the shell wall of the outer shell corresponding to the side slots is provided with a semi-open opening. The semi-open opening forms a filling area connected to the first filling groove. A part of the side slot and the shell wall together define a second filling groove, and the remaining part of the side slot is exposed through the semi-open opening.

[0014] As a further embodiment, a plug is also included; the plug includes pins corresponding to the number of springs and an integrally injection-molded plug socket, the mounting section of the pins is integrally injection-molded in the plug socket, and an upper lead wire is connected to the pin, the upper lead wire being led out from one side of the plug socket.

[0015] The beneficial effects of this utility model are as follows:

[0016] This utility model discloses a waterproof connector. This connector uses a slider to shield the receiving cavity, so that the slider plays a safety protection role, preventing foreign objects or fingers from being inserted into the receiving cavity and contacting the spring, which could lead to leakage or electric shock accidents. It also prevents small foreign objects from falling into the receiving cavity and causing damage to the socket. It also plays a waterproof role, preventing splashed water from directly flowing into the receiving cavity and contacting the spring. Moreover, the slider can switch between the first position and the second position by sliding in the transverse groove, which can reduce the space required for the slider to move, thereby reducing the longitudinal and transverse volume of the socket. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of an embodiment of the socket and plug in this utility model.

[0018] Figure 2 This is a schematic diagram of the socket in the present invention with the pins pulled out.

[0019] Figure 3 This is a schematic diagram of the socket in the present invention when the pins are inserted.

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the socket in this utility model.

[0021] Figure 5 This is an exploded view of the socket in this utility model.

[0022] Figure 6 This is a schematic diagram of the socket structure from another angle in this utility model.

[0023] Figure 7 This is a schematic diagram of the cross-sectional structure of the socket before it is coated with adhesive in this utility model.

[0024] Figure 8 This is a schematic diagram of the cross-sectional structure of the socket after it has been coated with adhesive.

[0025] Figure 9 This is a schematic diagram of the longitudinal section of the socket in this utility model. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] See Figures 1 to 8 As shown, a waterproof connector includes a socket 1, which has a receiving cavity 101 and a socket 102 communicating with the receiving cavity 101. Two springs 2 are arranged in the receiving cavity 101. A transverse groove 103 is provided between the socket 102 and the receiving cavity 101. A slider 3 is slidably connected in the transverse groove 103. An elastic element is provided between the slider 3 and the socket 1. A driving inclined surface 301 is provided on the slider 3 corresponding to the socket 102. When the driving inclined surface 301 is subjected to the force of the pin 91, the slider 3 slides into a first position to open the receiving cavity 101. The slider 3 slides out to a second position through the elastic potential energy of the elastic element to close the receiving cavity 101.

[0028] This connector uses a slider 3 to shield the receiving cavity 101, thus providing safety protection. This prevents foreign objects or fingers from being inserted into the receiving cavity 101 and contacting the spring 2, which could lead to leakage or electric shock. It also prevents small foreign objects from falling into the receiving cavity 101 and damaging the socket 1. Furthermore, it provides waterproofing, preventing splashed water from flowing directly into the receiving cavity 101 and contacting the spring 2. The slider 3 can switch between the first and second positions by sliding within the transverse groove 103, which reduces the space required for the slider 3 to move, thereby reducing the longitudinal and transverse volume of the socket 1.

[0029] The front end of the driving inclined surface 301 is provided with an arc notch 302 corresponding to the position of the insertion hole 102; the arc notch 302 allows the pin 91 to be inserted into the receiving cavity 101 in advance and make electrical contact with the insertion spring 2, which can shorten the distance of the slider 3 from the second position to the first position, making it easier for the pin 91 to be inserted into the receiving cavity 101 and reducing the lateral volume of the socket 1.

[0030] In this embodiment, the elastic element includes two return springs 4 arranged side by side, which abut against the rear end face of the slider 3 and the rear groove wall of the transverse groove 103. The two return springs 4 enable the slider 3 to be evenly stressed, preventing the slider 3 from swaying and getting stuck or shifting due to uneven stress during translation.

[0031] Furthermore, the front groove wall of the transverse groove 103 forms a slider stop surface 104 for limiting the forward sliding position of the slider 3. The left and right groove walls of the transverse groove 103 are close to the two sides of the slider 3, thereby limiting the left and right sway of the slider 3.

[0032] Specifically, the rear end face of the slider 3 extends to a spring positioning part 303, one end of the reset spring 4 is sleeved on the spring positioning part 303, the rear end of the transverse groove 103 is provided with a spring positioning groove 105 corresponding to the spring positioning part 303, and the other end of the reset spring 4 is limited in the spring positioning groove 105; the position of the reset spring 4 is limited by the spring positioning part 303 and the spring positioning groove 105, so that it will not shift during the compression and release of energy storage.

[0033] The socket 102 is a strip-shaped hole, which is stretched along the sliding direction of the slider 3, and the stretched length of the strip-shaped hole is equal to or less than the width of the spring 2. The socket 102 of this shape can increase the space for the insertion of the pin 91, improve the insertion efficiency of the pin 91, and the socket 102 allows the socket 1 and the plug 9 to still cooperate even if there are errors within the range after assembly.

[0034] The socket 1 includes a housing 6 and a base 7. The bottom of the housing 6 is provided with an opening 601. The base 7 is embedded in the middle of the housing 6 through the opening 601. The upper space of the housing 6 and the base 7 together defines a transverse sliding groove 103. The socket 102 is opened on the top of the housing 6. The front end side of the base 7 is provided with at least two opening grooves 701. Each opening groove 701 and the shell wall of the housing 6 together define an independent receiving cavity 101. Each receiving cavity 101 is provided with a spring 2. The installation of each spring 2 in an independent receiving cavity 101 can meet the creepage distance requirements.

[0035] The base 7 has a partition wall 702 between two adjacent open slots 701. The top surface of the partition wall 702 extends a positioning block 703. The slider 3 is placed on the top surface of the base 7 and has a positioning groove 304 at its front end that cooperates with the positioning block 703. During installation, the slider 3 is placed on the top surface of the base 7 and engages with the positioning block 703 through the positioning groove 304. This restricts the slider 3 from sliding and shifting in the horizontal direction, thereby improving assembly efficiency.

[0036] The spring 2 includes a spring body 21 (which includes two opposing elastic springs) placed in an open slot 701 and a terminal piece 22 connected to the spring body 21. The base 7 has a positioning groove 704 on its bottom surface that defines the position of the terminal piece 22. The shell walls of the outer shell 6 surround the bottom surface of the base 7 and together with the bottom surface of the base 7, they define a first filling groove A for injection molding of soft glue 8. After injection molding of soft glue 8 into the first filling groove A, the terminal piece 22 can be sealed, thereby fixing the position of the spring 2 and providing a sealing and waterproof function.

[0037] The base 7 has several spaced-apart side slots 705 on its rear end side, and the outer shell 6 has a semi-open opening 602 on its shell wall corresponding to the side slots 705. The semi-open opening 602 forms a filling area B connected to the first filling groove A (see reference). Figure 7 As shown), a portion of the side slot 705 surrounds and defines the second glue-filling groove C with the shell wall, and the remaining portion of the side slot 705 is exposed through the semi-open opening 602.

[0038] When injecting soft rubber 8 into the first filling groove A and filling area B (refer to...) Figure 8 As shown), the soft glue in the glue-filling area B enters the second glue-filling groove C through the exposed part of the side slot 705 and fills the remaining part of the side slot 705. The side slot 705 can increase the contact area between the soft glue 8 and the base 7, thereby achieving a fixed connection between the outer shell 6 and the base 7. In addition, the terminal piece 22 is connected to the lower lead wire 23, which passes through the glue-filling area B and leads out of the socket 1.

[0039] In addition, several limiting walls 603 extend from the inner side of the top of the outer shell 6. These limiting walls 603 are correspondingly arranged with several side slots 705. The spring positioning groove 105 is formed by the enclosing and limiting between two adjacent limiting walls 603, the top of the shell, and the top surface of the base 7 (e.g., Figure 9 (As shown).

[0040] It also includes a plug 9; the plug 9 includes a number of pins 91 corresponding to the number of springs 2 and an integrally injection-molded plug socket 92. The mounting section of the pins 91 is integrally injection-molded in the plug socket 92. An upper lead wire 93 is connected to the pins 91 and the upper lead wire 93 is led out from one side of the plug socket 92.

[0041] The above describes the preferred embodiments of this utility model, illustrating and describing its basic principles, main features, and advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents.

Claims

1. A waterproof connector comprising a socket provided with a receiving cavity and a socket hole communicating with the receiving cavity, at least two socket springs being arranged in the receiving cavity, characterized in that: A transverse groove is provided between the socket and the receiving cavity. A slider is slidably connected in the transverse groove. An elastic element is provided between the slider and the socket. A driving inclined surface is provided on the slider corresponding to the socket. When the slider is subjected to the force of the pin on the driving inclined surface, it slides into the first position to open the receiving cavity. The slider slides out to the second position through the elastic potential energy of the elastic element to close the receiving cavity.

2. A waterproof connector according to claim 1, characterized in that: The front end of the drive ramp has an arc notch corresponding to the socket position.

3. A waterproof connector according to claim 1, wherein: The elastic element includes two or more return springs arranged in a row, the return springs abutting against the rear end face of the slider and the rear groove wall of the transverse groove.

4. A waterproof connector according to claim 3, wherein: The rear end face of the slider extends to a spring positioning part, one end of the reset spring is sleeved on the spring positioning part, the rear end of the transverse groove is provided with a spring positioning groove corresponding to the spring positioning part, and the other end of the reset spring is limited in the spring positioning groove.

5. A waterproof connector according to claim 1, characterized in that: The insertion hole is a strip-shaped hole, which is stretched along the sliding direction of the slider, and the stretched length of the strip-shaped hole is equal to or less than the width of the spring.

6. A waterproof connector according to claim 1, characterized in that: The socket includes a housing and a base. The bottom of the housing has an opening, and the base is inserted into the middle of the housing through the opening. The upper space of the housing and the base together defines a transverse sliding groove. The socket is opened on the top of the housing. The front end of the base has at least two open grooves. Each open groove and the housing wall together define an independent receiving cavity. Each receiving cavity contains a spring.

7. A waterproof connector according to claim 6, characterized in that: The base has a partition wall between two adjacent open slots. The top surface of the partition wall extends with a positioning block. The slider is placed on the top surface of the base and has a positioning slot at its front end that cooperates with the positioning block.

8. A waterproof connector according to claim 6, characterized in that: The spring includes a spring body placed in an open slot and a terminal piece connected to the spring body. The bottom surface of the base is provided with a positioning groove that defines the position of the terminal piece. Each shell wall of the outer shell surrounds the bottom surface of the base and together with the bottom surface of the base, defines a first filling groove for injection molding of soft glue.

9. A waterproof connector according to claim 8, characterized in that: The base has several spaced side slots at its rear end. The shell wall of the outer shell has a semi-open opening corresponding to the side slots. The semi-open opening forms a filling area connected to the first filling groove. A part of the side slot and the shell wall together define a second filling groove. The remaining part of the side slot is exposed through the semi-open opening.

10. A waterproof connector according to claim 1, characterized in that: It also includes a plug; the plug includes pins corresponding to the number of springs and an integrally injection-molded plug socket, the mounting section of the pins is integrally injection-molded in the plug socket, and an upper lead wire is connected to the pin, the upper lead wire being led out from one side of the plug socket.