CN216289178U

CN216289178U - Connector with good waterproof effect

Info

Publication number: CN216289178U
Application number: CN202122039461.8U
Authority: CN
Inventors: 陈杰荣; 陈凯; 徐林峰
Original assignee: YUEQING RONGSHENG INTRODUCED ELECTRIC APPLIANCES CO Ltd
Current assignee: YUEQING RONGSHENG INTRODUCED ELECTRIC APPLIANCES CO Ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-04-12
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a connector with good waterproof effect, which comprises a connector main body and a cover cap assembled and connected with the connector main body, wherein a waterproof fastening mechanism and an inclined part matched with the waterproof fastening mechanism are also arranged in the connector main body, and the waterproof fastening mechanism comprises a double-layer wire claw and a waterproof rubber ring clamped in the double-layer wire claw. The boss of the cover cap is abutted against the base of the double-layer wire claw, the cover cap is rotated downwards to extrude the waterproof fastening mechanism downwards, the double-layer wire claw of the waterproof fastening mechanism continuously shrinks towards the center to reduce the gap between the double-layer wire claw and the lead, and the waterproof rubber ring also shrinks along with the double-layer wire claw so as to enhance the waterproof effect of the connector.

Description

Connector with good waterproof effect

Technical Field

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

Background

Traditional waterproof connector usually adopts rubber ring or waterproof gel to carry on waterproofly, adopts the waterproof unable bore change to the rubber ring of rubber ring, leads to can have certain clearance between wire and the rubber ring in order to reduce the water-proof effects of connector. The gel is adopted for waterproofing, and the installation time is long due to the fact that installation is needed on the installation site; if the method of pre-filling gel is adopted, the lead cannot be easily replaced after the fault occurs, and the gel needs to be removed and replaced, and the lead is filled with the gel, which is complicated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problems, the utility model provides the connector which is simple in structure, good in waterproof effect and capable of adjusting the size of the waterproof coil.

(II) technical scheme

The connector with good waterproof effect comprises a connector main body and a cover cap which is assembled and connected with the connector main body, wherein a waterproof fastening mechanism and an inclined part matched with the waterproof fastening mechanism are further arranged in the connector main body, and the waterproof fastening mechanism comprises double-layer wire claws and waterproof rubber rings clamped in the double-layer wire claws.

In the utility model, the double-layer wire claw comprises a wire claw layer I, a wire claw layer II and a base connected with the wire claw layer.

In the utility model, the base, the first wire claw layer and the second wire claw layer are of an integrated structure, and the whole first wire claw layer is bent and inclined towards the center of the base.

In the utility model, a groove matched with the first wire claw layer is arranged in the waterproof rubber ring.

In the utility model, the grooves are all bent and inclined towards the center of the waterproof rubber ring, and the bent groove surfaces of the grooves are abutted with the bent top surface of the wire claw layer.

In the present invention, the diameter of the inclined portion on the side away from the connector opening is smaller than the diameter on the side close to the connector opening.

In the utility model, a hollow boss is arranged in the cap, and the height of the boss is greater than that of the cap.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) the boss of the cover cap is abutted against the base of the double-layer wire claw, the cover cap is rotated downwards to extrude the waterproof fastening mechanism downwards, the double-layer wire claw of the waterproof fastening mechanism continuously shrinks towards the center to reduce the gap between the double-layer wire claw and the lead, the waterproof rubber ring also shrinks along with the double-layer wire claw, so that the waterproof effect of the connector is enhanced, and the waterproof connector is more time-saving and efficient in installation and replacement compared with the traditional gel waterproof type and pre-filled gel type.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a connector according to embodiment 1;

fig. 2 is an exploded view of the connector of example 1;

FIG. 3 is a schematic perspective view of a bottom surface of a cap in embodiment 1;

fig. 4 is a side cross-sectional structural view of the connector body in embodiment 1;

fig. 5 is a schematic perspective view of the connector body according to embodiment 1;

fig. 6 is a perspective view of the waterproof fastening structure in embodiment 1;

FIG. 7 is a schematic perspective view of a double-layered wire pawl in example 1;

fig. 8 is an exploded view of the waterproof fastening mechanism in embodiment 1;

fig. 9 is a schematic bottom perspective view of the waterproof rubber ring in example 1;

fig. 10 is a side structural sectional view of the connector in embodiment 1.

10. The connector comprises a connector body, 11, an inclined part, 12, a second connecting thread, 20, a waterproof fastening mechanism, 21, a double-layer wire claw, 211, a base, 212, a first wire claw layer, 213, a second wire claw layer, 214, a column body, 22, a waterproof rubber ring, 221, a groove, 30, a cover cap, 31, a boss, 311, a friction surface, 32, a convex wall, 321, a first connecting thread, 40 and a cable.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 and 2, the connector with good waterproof effect includes a connector main body 10, a waterproof fastening mechanism 20 sleeved in the connector main body 10, and a cap 30 fastened and connected to the connector main body 10 by a screw thread.

Further, the waterproof fastening mechanism 20 is a hollow structure, i.e., a through hole is formed in the middle of the waterproof fastening mechanism 20, the side of the cap 30 is provided with a friction surface 321 formed by a plurality of convex pillars, and the cap 30 is also a hollow structure. The cable 40 is inserted into the connector body 10, and the waterproof fastening mechanism 20 and the cap 30 are fitted over the wire.

As shown in fig. 3, which is a schematic perspective view of the bottom surface of the cap 30 in the present invention, a hollow boss 31 is provided in the cap 30, and the height of the boss 31 is greater than that of the cap 30, i.e., a part of the outer side of the boss 31 is exposed outside the cap 30. The root of the boss 31, namely the outer side of the inner bottom part of the cover cap 30 is provided with a first connecting thread 311.

As shown in fig. 4, which is a schematic diagram of a side sectional structure of the connector body 10 of the present invention, the connector body 10 is also hollow, a second connection screw 12 that is engaged with the connection screw of the cap 30 is provided on an inner side wall of an upper portion of the connector body 10, and an inclined portion 11 that is engaged with the waterproof fastener is provided below the second connection screw 12. As shown in fig. 4 to 5, the diameter of the upper part caliber of the inclined portion 11 is smaller than that of the lower part caliber, that is, the inclined portion 11 is in the shape of an overall rounded frustum, and the side of the inclined portion 11 extends obliquely downward toward the center of the connector body 10.

As shown in fig. 6 to 8, the waterproof fastening mechanism 20 includes a double-layered wire claw 21 and a waterproof rubber ring 22 engaged with the double-layered wire claw 21, wherein the waterproof rubber ring 22 is made of a silicone material. The double-layer wire claw 21 comprises a first wire claw layer 212, a second wire claw layer 213 and a base 211, the double-layer wire claw 21 is made of nylon materials, the base 211 of the double-layer wire claw 21 is of an annular structure, the first wire claw layer 212 and the second wire claw layer 213 are arranged on the top surface of the base 211, the first wire claw layer 212 is located on the inner side of the annular structure, the second wire claw layer 213 is located on the outer side of the annular structure, namely the first wire claw layer 212 and the second wire claw layer 213 are both annular, and the diameter of the first wire claw layer 212 is smaller than that of the second wire claw layer 213.

Further, the first wire claw layer 212 and the second wire claw layer 213 are formed by a plurality of pillars 214 extending upward and then being bent and inclined toward the center of the ring shape. Wherein, the second wire claw layer 213 may be a bent cylinder 214 similar to the first wire claw layer 212 but with a bending angle smaller than that of the first wire claw layer 212, as long as the first wire claw layer 212 can be pressed into contact with the inclined portion 11 of the connector cylinder 214 such that the first wire claw layer 212 shrinks toward the center; or an annular convex column which extends vertically upwards.

As shown in fig. 9, which is a schematic view of a bottom surface three-dimensional structure of the waterproof rubber ring 22 of the present invention, the waterproof rubber ring 22 is integrally similar to a bottle cap, and a through hole having the same size as the double-layered wire claw 21 is formed in the center of the waterproof rubber ring 22, that is, the waterproof rubber ring 22 includes an annular bottom and a convex wall 32 disposed outside the bottom. A plurality of grooves 221 are arranged inside the convex wall 32 of the waterproof rubber ring 22, and the shape of the grooves 221 is matched with that of the first wire claw layer 212, namely the curved groove surface of the grooves is abutted against the curved top surface of the first wire claw layer 212. As shown in fig. 7-8, the number of the protruding columns of the first wire claw layer 212 is the same as that of the grooves 221, and the first wire claw layer 212 is directly connected to the waterproof rubber ring 22 in a clamping manner, and the protruding wall 32 of the waterproof rubber ring 22 is connected between the first wire claw layer 212 and the second wire claw layer 213 in a clamping manner.

The working principle is as follows: as shown in fig. 10, the waterproof fastening mechanism 20 is provided with a waterproof rubber ring 22 side which is downward abutted against the inclined portion 11 of the connector body 10, the cap 30 is connected to the connector body 10 by a screw, the boss 31 of the cap 30 is abutted against the base 211 of the double-layered wire claw 21, and the waterproof fastening mechanism 20 can be pressed downward by rotating the cap 30 downward. The double-layer wire claw 21 of the waterproof fastening mechanism 20 is continuously contracted towards the center to reduce the gap between the double-layer wire claw 21 and the wire, and the waterproof rubber ring 22 is also contracted along with the contraction, so that the waterproof effect of the connector is enhanced.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. A connector with good waterproof effect comprises a connector main body (10) and a cover cap (30) which is matched and connected with the connector main body (10),

the method is characterized in that:

still be equipped with slope (11) of waterproof fastening device (20) and cooperation waterproof fastening device (20) in connector main part (10), waterproof fastening device (20) are including double-deck line claw (21) and waterproof rubber ring (22) of joint in double-deck line claw (21).

2. The connector with good waterproof effect according to claim 1, wherein: the double-layer wire claw (21) comprises a wire claw layer I (212), a wire claw layer II (213) and a base (211) connected with the wire claw layer.

3. The connector with good waterproof effect according to claim 2, wherein: the base (211), the first wire claw layer (212) and the second wire claw layer (213) are of an integrated structure, and the first wire claw layer (212) is integrally bent and inclined towards the center of the base (211).

4. The connector with good waterproof effect according to claim 1, wherein: and a groove (221) matched with the first wire claw layer (212) is formed in the waterproof rubber ring (22).

5. The connector with good waterproof effect according to claim 4, wherein: the grooves (221) are all bent and inclined towards the center of the waterproof rubber ring (22), and the bent groove surfaces of the grooves are abutted to the bent top surface of the first wire claw layer (212).

6. The connector with good waterproof effect according to claim 1, wherein: the caliber of the inclined part (11) far away from the opening of the connector is smaller than that of the inclined part near the opening of the connector.

7. The connector with good waterproof effect according to claim 1, wherein: a hollow boss (31) is arranged in the cap (30), and the height of the boss (31) is larger than that of the cap (30).