CN219498327U

CN219498327U - Waterproof joint

Info

Publication number: CN219498327U
Application number: CN202320571667.1U
Authority: CN
Inventors: 李隆; 魏松青
Original assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Current assignee: Hongtai Intelligent Technology Dongguan Co Ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-08
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to the technical field of waterproofing, and provides a waterproof joint, which comprises a main body and a sealing element arranged in the main body; the sealing piece is tightly connected with the inner wall of the main body; the sealing piece is provided with a plurality of through holes for the cables to pass through, and the through holes extend in the front-back direction; the sealing element comprises a main sealing part through which a plurality of through holes pass and a secondary sealing part through which at least one through hole passes, and the secondary sealing part protrudes to one side of the main sealing part along the front-back direction; the secondary sealing part is arranged at one side of the through hole along the front-back direction so that the cable passes through the secondary sealing part and then enters the through hole. According to the utility model, the through holes are not easy to pull in the bending process of the cables in different directions, so that the extrusion cannot be generated and gaps cannot be formed, the secondary sealing part has a tight fitting effect on the cables, and the waterproof effect of the waterproof joints of the multiple cable structures is further improved.

Description

Waterproof joint

Technical Field

The utility model relates to the technical field of waterproofing, in particular to a waterproof joint.

Background

The existing connection parts of a plurality of electrical equipment and cables need moistureproof and waterproof devices, and the current common mode is to adopt a cable waterproof joint at the connection part so as to achieve the aim of isolating the interior and the exterior of the electrical equipment and ensure the safety and the reliability of the electrical equipment. However, when the existing waterproof cable connector is provided with connector products for threading, the traditional waterproof connector inner core rubber ring is arranged into a large single hole, so that only a single thick cable wire can be penetrated, and when a plurality of single-strand fine wires are required to be penetrated, the wires are hard to touch each other, and waterproof performance cannot be achieved.

At present, people start to arrange a plurality of outlets of the waterproof connector, such as CN216162390U, 2022, 4 months and 1, and the patent name is Chinese patent utility model of a porous shielding high-performance metal waterproof connector, wherein a plurality of openings are arranged on a sealing piece, so that cables can pass through the waterproof connector to realize the passing of a plurality of cables; however, although the sealing plug with the structure is provided with a plurality of openings through which cables can pass, the inner wall of the opening of the sealing element cannot achieve the effect of being in close contact with each cable, and when the cables are bent in different directions, the openings are easily pulled by the cables to be extruded in different directions to form gaps, so that the waterproof effect is poor.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the waterproof joint with good waterproof effect.

In order to solve the problems, the utility model provides the following technical scheme:

a waterproof joint comprising a body and a seal mounted within the body;

the sealing piece is tightly connected with the inner wall of the main body; the sealing piece is provided with a plurality of through holes for the cables to pass through, and the through holes extend forwards and backwards;

the sealing element comprises a main sealing part through which a plurality of through holes pass and a secondary sealing part through which at least one through hole passes, and the secondary sealing part protrudes to one side of the main sealing part along the front-back direction;

the secondary sealing part is arranged at one side of the through hole along the front-back direction so that the cable passes through the secondary sealing part and then enters the through hole.

In an embodiment, the secondary seal has a peripheral dimension that is less than the peripheral dimension of the primary seal;

the number of the secondary sealing parts corresponds to the number of the through holes.

In one embodiment, the secondary seal protrudes from one side of the primary seal to the other side of the primary seal by a height of between 1/2 and 1/3 of the height of the primary seal.

In an embodiment, the distance from the peripheral edge of the secondary seal to the wall of the through hole is set between 1/3 and 1/6 of the diameter of the through hole.

In an embodiment, the secondary seal includes a first seal portion disposed in the center of the primary seal portion and a second seal portion disposed on a peripheral side of the first seal portion, the first seal portion being equidistant from any of the second seal portions.

In one embodiment, the number of the second sealing parts is four, wherein two second sealing parts are arranged on two sides of the first sealing part along the left-right direction, and the other two second sealing parts are arranged on two sides of the first sealing part along the up-down direction.

In one embodiment, the seal further comprises a fastening ring mounted on the other side of the primary seal portion away from the secondary seal portion in the front-rear direction;

the fastening ring comprises an abutting surface which is mutually abutted with the main sealing part;

the diameter of the abutting surface of the main sealing part and the abutting surface is smaller than that of the abutting surface.

In an embodiment, the fastening ring is in a truncated cone structure, and the fastening ring further comprises a limiting surface arranged on the other side of the fastening ring along the front-rear direction away from the abutting surface;

the diameter of the abutting surface is smaller than that of the limiting surface.

In one embodiment, the main body includes a first connection end, a second connection end, and a limiting member, and the limiting member is installed between the first connection end and the second connection end in a front-rear direction;

the waterproof connector is connected with external equipment through the first connecting end and the second connecting end;

the limiting piece comprises a plurality of limiting claws which are arranged towards the fastening ring, and the limiting claws are uniformly arranged on the periphery of the fastening ring and are tightly connected with the fastening ring.

In one embodiment, any two limit claws are arranged at intervals.

The beneficial effects of the utility model are as follows: through setting up the structure of a plurality of through-holes with main seal portion in the sealing member for waterproof joint can link up many cables and use, further through setting up corresponding secondary seal portion in the through-hole department on main seal portion, and highly carry out the stretching of certain degree in the fore-and-aft direction with secondary seal portion, make when many cables penetrate the through-hole after, remain the secondary seal portion of through-hole opening part and play the spacing effect of extension to the cable, make in the in-service use, when the cable is crooked towards different directions, closely laminating effect to the cable is played through secondary seal portion between each through-hole, thereby make the cable be difficult to be pulled in the crooked in-process towards different directions, thereby make secondary seal portion play the closely laminating effect to the cable, further promoted the waterproof joint's of many cable structures waterproof effect.

Drawings

FIG. 1 is a perspective view of one embodiment of a waterproof joint of the present utility model;

FIG. 2 is a top view of one embodiment of a waterproof joint of the present utility model;

FIG. 3 is an exploded view of one embodiment of a waterproof joint of the present utility model;

FIG. 4 is a schematic view of one embodiment of the seal of FIG. 3;

FIG. 5 is a bottom view of one embodiment of the seal of FIG. 3;

FIG. 6 is a schematic view of another embodiment of the seal of FIG. 3;

fig. 7 is a top view of one embodiment of the seal of fig. 3.

Reference numerals:

100. a waterproof joint; 10. a main body; 20. a seal; 21. a main seal; 22. a secondary seal; 30. a cable; 23. a through hole; 221. a first sealing part; 222. a second sealing part; 24. a fastening ring; 241. an abutment surface; 242. a limiting surface; 111. a first connection end; 112. a second connection end; 113. a limiting piece; 121. and a limit claw.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

For convenience in describing the front-rear direction, the left-right direction, and the up-down direction in the embodiments of the present application, the first direction is the front-rear direction in the drawing, the second direction is the left-right direction in the drawing, and the third direction is the up-down direction in the drawing. The z-axis arrow direction is taken as a "back" direction, the x-axis arrow direction is taken as a "back" direction, and the y-axis arrow direction is taken as an "up" direction, which is not limited in the practical application of the present application.

Referring to fig. 1, 4 and 6, the present embodiment provides a waterproof joint 100, which includes a main body 10 and a sealing member 20 installed in the main body 10; in this embodiment, the sealing member 20 is tightly connected with the inner wall of the main body 10, the sealing member 20 is an inner core rubber ring, and the material of the sealing member 20 is silica gel, which has a certain elasticity, can be used for limiting the cable 30 and has a waterproof effect; further, the sealing member 20 is provided with a plurality of through holes 23 for the cables 30 to pass through, and the through holes 23 extend in the first direction; further, the sealing member 20 includes a main sealing portion 21 having a plurality of through holes 23 passing therethrough and a sub sealing portion 22 having at least one through hole 23 passing therethrough, wherein the sub sealing portion 22 protrudes to one side of the main sealing portion 21 in a first direction so that the cable 30 passes through the sub sealing portion 22 and then enters the through hole 23; it can be appreciated that the present embodiment allows the waterproof connector 100 to be used by engaging a plurality of cables 30 while retaining the overall waterproof function by providing the main seal portion 21 in a structure of a plurality of through holes 23 in the seal member 20; in addition, in a further structure, by arranging the corresponding secondary sealing parts 22 at the through holes 23 on the main sealing part 21, the number and the structure of the secondary sealing parts 22 and the through holes 23 are uniform and are corresponding, and the height of the secondary sealing parts 22 is stretched to a certain extent in the first direction, so that when a plurality of cables 30 penetrate through the through holes 23, the secondary sealing parts 22 reserved at the openings of the through holes 23 play a role of extending and limiting the cables 30, and when the cables 30 are bent towards different directions in the actual use process, the through holes 23 play a role of tightly attaching the cables 30 through the secondary sealing parts 22, so that the through holes 23 are not easy to be pulled in the bending process towards different directions, so that the secondary sealing parts 22 cannot generate extrusion and form gaps, the tight attaching effect of the cables 30 is achieved, the problem that the traditional waterproof connector 100 only can penetrate through thick cables is solved, and meanwhile, the waterproof connector 100 of the structure of the plurality of cables 30 is further improved.

Alternatively, in the present embodiment, the secondary seal 22 is integrally formed with the primary seal 21.

As shown in fig. 1-3 and 6-7, the outer peripheral dimension of the secondary seal 22 is preferably smaller than that of the primary seal 21, and in this embodiment, the secondary seal 22 and the primary seal 21 are both circular, that is: the diameter of the secondary seal 22 is smaller than the diameter of the primary seal 21; further, the height H1 of the secondary seal 22 protruding from one side close to the primary seal 21 to the other side is between 1/2 and 1/3 of the height H2 of the primary seal 21, in this embodiment, the height H1 of the secondary seal 22 along the first direction is set to be 1/2 of the height H2 of the primary seal 21 along the first direction, which is to avoid the excessively long or short height of the secondary seal 22, and influence the waterproof effect of the secondary seal 22; in addition, the distance D1 from the peripheral edge of the secondary seal 22 to the wall of the through hole 23 is set to be between 1/3 and 1/6 of the diameter D2 of the through hole 23, and the thickness of the secondary seal 22 is limited, so that the influence of excessive thickness or excessive thinness of the secondary seal 22 on the waterproof effect of the secondary seal 22 is avoided.

Referring to fig. 1-2, 4, and 7, specifically, the secondary seal 22 includes a first seal 221 disposed in the center of the primary seal 21 and a second seal 222 disposed on the peripheral side of the first seal 221, where the distance from the first seal 221 to any of the second seals 222 is equal; further, in the present embodiment, the second sealing parts 222 are provided in four, wherein two second sealing parts 222 are provided on both sides of the first sealing part 221 in the second direction, and the other two second sealing parts 222 are provided on both sides of the first sealing part 221 in the third direction; it can be appreciated that the through holes 23 are configured in a cross structure, so that the distances from the second sealing parts 222 to the first sealing parts 221 are equal, and thus, the cables 30 are separated from each other, so that the sealing member 20 can better play a role in limiting and supporting the cables 30.

Preferably, the seal 20 further comprises a fastening ring 24 mounted on the other side of the primary seal 21 away from the secondary seal 22 in the first direction; in this embodiment, the fastening ring 24 includes an abutting surface 241 abutting against the main sealing portion 21, and the diameter of the abutting surface of the main sealing portion 21 against the abutting surface 241 is smaller than that of the abutting surface 241, which is to be understood that the main sealing portion 21 is set at a certain distance on the circumferential side of the abutting surface 241, so that a certain buffer area is formed on the circumferential side of the main sealing portion 21, so that the cable 30 is not easily affected to deform when the cable 30 is bent during penetrating and using the actual waterproof joint 100, and abrasion caused by friction between the main sealing portion 21 and the main body 10 after being stressed is avoided, thereby prolonging the service life of the sealing member 20.

Referring to fig. 3 to 7, preferably, the fastening ring 24 is configured as a truncated cone, and the fastening ring 24 further includes a limiting surface 242 disposed on the other side of the fastening ring 24 along the first direction away from the abutting surface 241, where in this embodiment, the diameter of the abutting surface 241 is smaller than the diameter of the limiting surface 242; further, the main body 10 includes a first connection end 111, a second connection end 112, and a stopper 113, and the stopper 113 is installed between the first connection end 111 and the second connection end 112 along a first direction; the limiting piece 113 comprises a plurality of limiting claws 121 arranged towards the fastening ring 24, wherein the plurality of limiting claws 121 are uniformly arranged on the periphery of the fastening ring 24 and are tightly connected with the fastening ring 24; as can be appreciated, the waterproof connector 100 is connected with external equipment through the first connection end 111 and the second connection end 112, and in this embodiment, the diameter of the abutting surface 241 is set smaller than that of the limiting surface 242, so that the whole truncated cone structure of the fastening ring 24 corresponds to the whole structure of the limiting member 113, and thus the limiting claw 121 is used for limiting the fastening ring 24 of the sealing member 20, so that the fastening ring 24 is tightly attached to the limiting claw 121; in addition, the spacing between any two spacing claws 121 is arranged, so that the spacing claws 121 have certain flexibility and can generate certain elastic acting force with the sealing element 20 in the process of clinging, thereby playing a better role in spacing and protecting the sealing element 20.

In summary, the present utility model provides a waterproof connector, which is configured such that a main sealing portion is provided with a plurality of through holes in a sealing member, so that the waterproof connector can be used by connecting a plurality of cables, and an overall waterproof function is maintained; in addition, in the further structure, through setting up corresponding secondary seal portion in the through-hole department on the main seal portion, and highly carry out the stretching of certain degree with secondary seal portion in first direction, make when many cables are penetrating the through-hole after, remain the effect that the secondary seal portion of through-hole opening part was spacing to the cable extension, make in the in-service use, when the cable is crooked towards different directions, closely laminating effect to the cable through secondary seal portion play between each through-hole, make the cable in the crooked in-process of orientation different directions, the through-hole is difficult to be pulled thereby can't produce the extrusion and form the gap, thereby make secondary seal portion play closely laminating effect to the cable, not only solved traditional waterproof joint and only can only wear single thick cable's problem, the waterproof effect of the waterproof joint of many cable structures has been further promoted simultaneously.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, one of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not drive the essence of the corresponding technical solutions to depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A waterproof joint comprising a body and a seal mounted within the body;

2. A water resistant joint as set forth in claim 1, wherein: the outer peripheral dimension of the secondary seal is smaller than the outer peripheral dimension of the primary seal;

3. A water resistant joint as set forth in claim 1, wherein: the secondary sealing part protrudes from one side close to the main sealing part to the other side, and the height of the secondary sealing part is 1/2-1/3 of the height of the main sealing part.

4. A water resistant joint as set forth in claim 1, wherein: the distance range from the peripheral edge of the secondary sealing part to the wall of the through hole is between 1/3 and 1/6 of the diameter of the through hole.

5. A water resistant joint as set forth in claim 1, wherein: the secondary sealing part comprises a first sealing part arranged in the center of the primary sealing part and a second sealing part arranged on the periphery side of the first sealing part, and the distances from the first sealing part to any second sealing part are equal.

6. A water resistant joint as set forth in claim 5, wherein: the second sealing parts are arranged in four, wherein two second sealing parts are arranged on two sides of the first sealing part along the left-right direction, and the other two second sealing parts are arranged on two sides of the first sealing part along the up-down direction.

7. A water resistant joint as set forth in claim 6 wherein: the sealing piece further comprises a fastening ring which is arranged on the other side of the main sealing part along the front-back direction and away from the secondary sealing part;

8. A water resistant joint as set forth in claim 7 wherein: the fastening ring is in a round table structure, and the fastening ring further comprises a limiting surface which is far away from the abutting surface along the front-back direction and is arranged on the other side of the fastening ring;

9. A water resistant joint as set forth in claim 7 wherein: the main body comprises a first connecting end, a second connecting end and a limiting piece, and the limiting piece is arranged between the first connecting end and the second connecting end along the front-back direction;

10. A water resistant joint as set forth in claim 9 wherein: any two limit claws are arranged at intervals.