Straight head waterproof connector

By incorporating a waterproof structure and matching color-coded plug-in parts into the signal connection device, the problems of insufficient waterproof performance and difficulty in model differentiation are solved, achieving stable signal transmission and safe plug-in, and preventing cable twisting.

CN224520282UActive Publication Date: 2026-07-17MANBO INTELLIGENT TECH (ZHENJIANG) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MANBO INTELLIGENT TECH (ZHENJIANG) CO LTD
Filing Date
2025-07-15
Publication Date
2026-07-17

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  • Figure CN224520282U_ABST
    Figure CN224520282U_ABST
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Abstract

The utility model provides a waterproof connector of straight head, including shell and the inner shell of being located in the shell inside, the main part is with rotatable mode and is connected to set up in the inner shell inside, the one end of cable is from the rear side and enters the inner shell inside and is connected with the terminal of being located in the main part inside, its characterized in that: the rear end outer periphery of cable is respectively equipped with waterproof plug and tail plug, the rear end of waterproof plug and the front end of tail plug axial abut, waterproof plug is located in the inside of inner shell, tail plug and the rear end fixed connection of inner shell, waterproof structure is all arranged between the inner wall of inner shell and the inner wall of shell and between waterproof plug outer wall and the inner wall of inner shell, waterproof structure is all arranged between the inner wall of inner shell and the inner wall of shell and between waterproof plug outer wall and the inner wall of inner shell, and waterproof plug is equipped with in the outer periphery of cable rear end, can effectual realization waterproof function in the inside of shell.
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Claims

1. A straight-head waterproof connector, comprising a housing (1) and an inner housing (2) located inside the housing (1), a main body (3) being rotatably snapped into the inner housing (2), and one end of a cable extending from the rear into the inner housing (2) and connecting to a terminal (4) located inside the main body (3), characterized in that: A waterproof plug (6) and a tail plug (7) are respectively fitted around the outer periphery of the rear end of the cable. The rear end of the waterproof plug (6) and the front end of the tail plug (7) are axially abutted. The waterproof plug (6) is located inside the inner shell (2). The tail plug (7) is fixedly connected to the rear end of the inner shell (2). Waterproof structures are provided between the outer wall of the inner shell (2) and the inner wall of the outer shell (1) and between the outer wall of the waterproof plug (6) and the inner wall of the inner shell (2).

2. A straight head waterproof connector according to claim 1, characterized in that: The front end of the outer shell (1) is set to a square cross section and the rear end is set to a circular cross section; the front end and the rear end of the inner shell (2) are both set to a circular cross section.

3. A straight head waterproof connector according to claim 1, characterized in that: The inner wall of the front end of the outer shell (1) is provided with a plug-in positioning part (11), which is configured with a toothed structure and is evenly arranged on the inner wall of the front end of the outer shell (1).

4. A straight head waterproof connector according to claim 1, characterized in that: The surface of the insertion positioning part (11) is coated with the insertion color part (12).

5. A straight head waterproof connector according to claim 1, characterized in that: The waterproof structure includes a front waterproof rubber ring (21) protruding from the outer wall of the inner shell (2), and the front waterproof rubber ring (21) is interference-fitted with the inner wall of the outer shell (1).

6. A straight head waterproof connector according to claim 5, characterized in that: The waterproof structure also includes a rear waterproof rubber ring (61) protruding from the outer wall of the waterproof plug (6), and the rear waterproof rubber ring (61) is interference-fitted with the inner wall of the inner shell (2).

7. A straight tip waterproof connector according to claim 1, wherein: The outer periphery of the main body (3) is also fitted with a front shielding ring (51), and the outer periphery of the waterproof plug (6) is fitted with a rear shielding ring (52). The front shielding ring (51) and the rear shielding ring (52) are both located inside the inner shell (2).

8. A straight head waterproof connector according to claim 7, characterized in that: The front shielding ring (51) and the rear shielding ring (52) are connected to each other.

9. A straight tip waterproof connector according to claim 1, wherein: The rear end of the inner shell (2) is provided with a radial positioning part (22) and an axial positioning part (23). The interior of the tail plug (7) is provided with a radial positioning groove (71) and an axial positioning groove (72). The radial positioning part (22) can be inserted into the radial positioning groove (71) and positioned therewith. The axial positioning part (23) can be inserted into the axial positioning groove (72) and positioned therewith.

10. A straight tip waterproof connector according to claim 1, characterized in that: The cable has a stepped section at its rear end, and the tail plug (7) has a stepped hole (73) inside, with the stepped section and the stepped hole (73) corresponding to each other.