CN219106604U

CN219106604U - Rear locking type waterproof connector

Info

Publication number: CN219106604U
Application number: CN202320042756.7U
Authority: CN
Inventors: 蔡文强; 游川
Original assignee: Shenzhen Suolin Electronics Technology Co ltd
Current assignee: Shenzhen Suolin Electronics Technology Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-30
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a rear locking type waterproof connector which comprises a connector body, wherein the connector body is arranged on an equipment shell, the side wall of the equipment shell is provided with a mounting hole, the connector body comprises a sleeve, a rubber core arranged in the sleeve and a contact needle encapsulated in the rubber core, the outer side wall of the sleeve is provided with a first thread part, one end of the sleeve with the first thread part is arranged in the mounting hole, the middle outer side wall of the sleeve is fixedly provided with a baffle, the outer side of the sleeve is positioned between the baffle and the equipment shell and is sleeved with a waterproof pad, and the waterproof pad and the annular convex surrounding edge, the circular convex surrounding edge and the arc convex surrounding edge arranged on the waterproof pad form two-stage waterproof, so that the waterproof effect is better; the screw passes through the counter bore and the through hole and is connected with the thread groove through the thread, so that the possibility that the connector falls off or loosens in the vibration process of the equipment shell is solved.

Description

Rear locking type waterproof connector

Technical Field

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

Background

The locking connector is a basic element for electric connection and signal transmission among devices, components and systems, and has the characteristics of good contact, reliable work, convenient maintenance and the like, so the locking connector is widely applied to various electric circuits and plays a role in connecting or disconnecting the circuits.

The existing equipment shell only has an internal hexagonal nut to lock and fix the connector female head, and the matching can be loosened under the condition of long-time vibration, and the waterproof effect can not be achieved.

Accordingly, there is a need to provide a new rear locking waterproof connector that solves the above-mentioned technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the rear locking type waterproof connector which is good in sealing performance and stable in protection.

The utility model provides a rear locking type waterproof connector which comprises an equipment shell and a connector body, wherein a mounting hole is formed in the side wall of the equipment shell, the connector body is mounted in the mounting hole and comprises a sleeve, a rubber core arranged in the sleeve and a contact pin packaged in the rubber core, a first threaded part is arranged on the outer side wall of the sleeve, one end of the sleeve with the first threaded part is arranged in the mounting hole, a baffle is fixed on the outer side wall of the middle of the sleeve, a waterproof pad is sleeved between the baffle and the equipment shell, a nut is connected onto the first threaded part through threads, the nut is positioned in the equipment shell, the sleeve is fixedly connected with the connector body through the nut, and a limiting device for preventing the connector body from rotating relative to the equipment shell is arranged on the connector body.

Preferably, the limiting device comprises a screw, a countersink is arranged on the baffle, a through hole is formed in the position, opposite to the countersink, of the waterproof pad, a thread groove is formed in the outer wall of the equipment shell, and the screw penetrates through the countersink and the through hole and is connected with the thread groove through threads.

Preferably, the waterproof pad is close to the device shell one side and is close to the edge and is equipped with annular protruding surrounding edge, waterproof pad is close to the device shell one side just to the through-hole department be equipped with the protruding surrounding edge of circular, be equipped with the protruding surrounding edge of arc between two adjacent circular protruding surrounding edges.

Preferably, the annular convex surrounding edge, the circular convex surrounding edge and the arc-shaped convex surrounding edge have the same thickness.

Preferably, one end of the sleeve, which is located outside the equipment housing, is provided with a second external thread.

Preferably, the contact pin is cylindrical, and one end of the contact pin is provided with a groove notch.

Preferably, a positioning part is arranged on the inner wall of the sleeve.

Preferably, the rubber core is provided with identification characters close to the contact pins.

Preferably, the baffle is integrally combined with the sleeve.

Preferably, the sleeve is a metal member.

Compared with the related art, the rear locking type waterproof connector provided by the utility model has the following beneficial effects: through waterproof pad and the setting of the protruding surrounding edge of annular, the protruding surrounding edge of circular and the protruding surrounding edge of arc of setting on waterproof pad, form the waterproof of two-stage, the water-proof effects is better.

The screw passes through the counter bore and the through hole and is connected with the thread groove through the thread, so that the possibility that the connector falls off or loosens in the vibration process of the equipment shell is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the position of the connector body relative to the device housing according to the present utility model;

FIG. 4 is an enlarged schematic view of area A of FIG. 3 in accordance with the present utility model;

FIG. 5 is a schematic view of a sleeve according to the present utility model;

fig. 6 is a schematic view of the structure of the contact pin of the present utility model;

fig. 7 is a schematic view of the waterproof pad structure of the present utility model.

Reference numerals in the drawings: 1. an equipment housing; 11. a mounting hole; 12. a thread groove; 2. a connector body; 21. a sleeve; 211. a first threaded portion; 212. a baffle; 2121. a countersunk hole; 213. a second external thread; 214. a positioning part; 22. a rubber core; 221. identifying the character; 23. a contact pin; 24. a waterproof pad; 241. a through hole; 242. an annular convex peripheral edge; 243. a circular convex peripheral edge; 244. an arc-shaped convex surrounding edge; 25. a nut; 26. a limiting device; 261. and (5) a screw.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Examples:

referring to fig. 1-7, the rear locking waterproof connector provided by the embodiment of the utility model comprises a device housing 1 and a connector body 2, wherein a mounting hole 11 is formed in the side wall of the device housing 1, the connector body 2 is mounted in the mounting hole 11, the connector body 2 comprises a sleeve 21, a rubber core 22 arranged in the sleeve 21 and a contact pin 23 encapsulated in the rubber core 22, a first threaded portion 211 is arranged on the outer side wall of the sleeve 21, one end of the sleeve 21 with the first threaded portion 211 is arranged in the mounting hole 11, a baffle 212 is fixed on the outer side wall of the middle of the sleeve 21, a waterproof pad 24 is sleeved between the baffle 212 and the device housing 1 on the outer side of the sleeve 21, a nut 25 is connected to the first threaded portion 211 through threads, the nut 25 is positioned in the device housing 1, the sleeve 21 is fixedly connected with the connector body 2 through the nut 25, and a limiting device 26 for preventing the connector body 2 from rotating relative to the device housing 1 is arranged on the connector body 2.

The limiting device 26 comprises a screw 261, a countersunk hole 2121 is formed in the baffle 212, a through hole 241 is formed in the position, opposite to the countersunk hole 2121, of the waterproof pad 24, a thread groove 12 is formed in the outer wall of the equipment shell 1, and the screw 261 penetrates through the countersunk hole 2121 and the through hole 241 and is connected with the thread groove 12 through threads.

The waterproof pad 24 is close to the edge that is equipped with annular protruding surrounding edge 242 near one side of equipment shell 1, and waterproof pad 24 is close to one side of equipment shell 1 just to through-hole 241 department and is equipped with circular protruding surrounding edge 243, is equipped with the protruding surrounding edge 244 of arc between two adjacent circular protruding surrounding edges 243, through the setting of annular protruding surrounding edge 242, the protruding surrounding edge 243 of circular and the protruding surrounding edge 244 of arc, forms two-stage waterproof, and the water-proof effects is better.

The annular convex surrounding edge 242, the circular convex surrounding edge 243 and the arc-shaped convex surrounding edge 244 are equal in thickness, and the waterproof effect is better.

The end of the sleeve 21 outside the device housing 1 is provided with a second external thread 213 for facilitating connection with the male connector.

The contact pin 23 has a cylindrical shape, and one end of the contact pin 23 is provided with a groove cutout 231. Has a certain deformability, so that the male connector head can be more tightly matched with the contact pin 23.

The inner wall of the sleeve 21 is provided with a positioning portion 214 for facilitating positioning of the male connector.

The rubber core 22 is provided with an identification word 221 near the contact pin 23, which is convenient for wiring guidance.

The baffle 212 is integrally combined with the sleeve 21, so that the connection is stable, and the joint is waterproof without gaps.

The sleeve 21 is a metal member, has high strength, and is not easily damaged by threads.

The installation process of the rear locking waterproof connector in this embodiment is as follows:

firstly, the waterproof pad 24 is sleeved on the sleeve 21; next, the sleeve 21 is inserted into the mounting hole 11;

then, the through hole 241 is screwed into the screw groove 12 through the countersunk hole 2121 by the screw 261; finally, the nut 25 is attached to the first screw portion 211 by a wrench, and the connector body 2 and the device housing 1 are fixed.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. The utility model provides a waterproof connector of back locking formula, includes connector body (2), connector body (2) are installed on equipment shell (1), the lateral wall of equipment shell (1) is equipped with mounting hole (11), its characterized in that: connector body (2) include sleeve (21), set up in the inside rubber core (22) of sleeve (21) and encapsulation contact pin (23) inside rubber core (22), sleeve (21) lateral wall is equipped with first screw thread portion (211), and sleeve (21) have one end setting of first screw thread portion (211) in mounting hole (11), the middle part lateral wall of sleeve (21) is fixed with baffle (212), sleeve (21) outside is located between baffle (212) and equipment shell (1) cover is equipped with waterproof pad (24), there is nut (25) through threaded connection on first screw thread portion (211), and nut (25) are located inside equipment shell (1), sleeve (21) are through nut (25) and connector body (2) fixed connection, be equipped with on connector body (2) prevent connector body (2) relative equipment shell (1) pivoted stop device (26).

2. The rear locking type waterproof connector according to claim 1, wherein the limiting device (26) comprises a screw (261), a counter bore (2121) is formed in the baffle plate (212), a through hole (241) is formed in the position, opposite to the counter bore (2121), of the waterproof pad (24), a thread groove (12) is formed in the outer wall of the equipment shell (1), and the screw (261) penetrates through the counter bore (2121) and the through hole (241) to be connected with the thread groove (12) through threads.

3. The rear locking type waterproof connector according to claim 1, wherein an annular convex surrounding edge (242) is arranged at a position, close to the edge, of one side, close to the equipment shell (1), of the waterproof pad (24), a circular convex surrounding edge (243) is arranged at a position, close to the equipment shell (1), of one side, opposite to the through hole (241), of the waterproof pad (24), and an arc-shaped convex surrounding edge (244) is arranged between two adjacent circular convex surrounding edges (243).

4. The rear locking waterproof connector of claim 3 wherein the annular raised perimeter edge (242), the circular raised perimeter edge (243) and the arcuate raised perimeter edge (244) are of equal thickness.

5. The rear locking waterproof connector according to claim 1, characterized in that the end of the sleeve (21) located outside the device housing (1) is provided with a second external thread (213).

6. The rear locking waterproof connector according to claim 1, wherein the contact pin (23) is cylindrical, and one end of the contact pin (23) is provided with a groove cutout (231).

7. The rear locking waterproof connector according to claim 1, wherein an inner wall of the sleeve (21) is provided with a positioning portion (214).

8. The rear-locking waterproof connector according to claim 1, characterized in that the glue core (22) is provided with identification words (221) close to the contact pins (23).

9. The rear locking waterproof connector according to claim 1, wherein the shutter (212) is integrally combined with the sleeve (21).

10. The rear locking waterproof connector according to claim 9, characterized in that the sleeve (21) is a metallic member.