CN211958744U - Cable insulation waterproof sheath - Google Patents

Abstract

The utility model relates to a cable field especially relates to a cable insulation waterproof sheath, including a hollow casing and can with the sealed end of both ends fixed connection about the hollow casing, the tip of sealed end is provided with a logical groove that is used for holding the cable conductor, and sealed end is provided with a set of seal assembly with hollow casing department of being connected, and seal assembly includes a sealed bush, first water proof gasket, second water proof gasket to and an atmoseal seat, and two atmoseal blocks are formed respectively in the region that atmoseal seat and first water proof gasket and second water proof gasket enclose. The utility model overcomes cable waterproof sheath protecting effect among the prior art is not enough, the damaged defect of intaking in the use easily, consequently the utility model discloses good sealing performance has, can be effectively in daily use separation moisture to promote electrical insulation performance, have good fixed and buffering effect simultaneously, can prevent the firm in connection nature of cable wiring end.

Description

Cable insulation waterproof sheath

Technical Field

The utility model relates to a cable field especially relates to a cable insulation waterproof sheath.

Background

Cables play an important role in electronic products and electronic systems, and are key links for connecting various functions of electronic products. Therefore, the application of the cable is very wide, and many cables are used outdoors in a severe environment, so that higher requirements are put on the cable used outdoors, and particularly, the requirements on waterproofness and sealability are higher and higher. At present, a waterproof structure of a cable connection part is formed by sleeving a waterproof tape adhesive heat-shrinkable tube at the connection part of a shell, so that waterproof and sealing functions are realized. However, long-term use shows that the waterproof and sealing effects are not good, and the waterproof tape adhesive heat-shrinkable tube after heat shrinkage is easily pulled down, so that the waterproof effect cannot be achieved.

For example, the application No. CN201420033101.4 discloses a waterproof jacket for a cable intermediate connector, which is formed by pressing a silicone rubber material into three connected cylinders, where the three connected cylinders include a middle cylinder for wrapping a single cable intermediate connector and two side cylinders located at two sides of the middle cylinder and used for wrapping a single cable, and the middle cylinder and the side cylinders are connected by a conical surface; the inner diameter of the middle cylinder is larger than that of the side cylinders, and the inner diameters of the two side cylinders are the same. The utility model discloses a cable intermediate head's waterproof sheath, though can play certain waterproof effect, nevertheless relatively poor at its water-proof effects, break into water because of wearing and tearing easily in the use.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an it is not enough to overcome the cable waterproof sheath protective effect among the prior art, the defect of damaged intaking easily in the use provides one kind and can play effective protection, prevents the cable joint cable insulation waterproof sheath of intaking.

In order to realize the purpose of the utility model, the utility model discloses a following technical scheme realizes:

a cable insulation waterproof sheath comprises a hollow sleeve and sealing end heads which can be fixedly connected with the left end and the right end of the hollow sleeve, wherein a through groove for accommodating a cable is formed in the end part of each sealing end head, a group of sealing assemblies are arranged at the connecting part of each sealing end head and the hollow sleeve, each sealing assembly comprises a sealing bush sleeved outside the cable, a first waterproof gasket and a second waterproof gasket are respectively arranged at the front end and the rear end of each sealing bush, the first waterproof gasket is close to the end part of each sealing end head and tightly attached to the inner wall of each sealing end head, the second waterproof gasket is close to the hollow sleeve and tightly attached to the side wall of the end part of the hollow sleeve, an air seal seat is further arranged in an area defined by the sealing bush, the first waterproof gasket and the second waterproof gasket, the left side and the right side of each air seal seat are respectively and fixedly connected with the first waterproof gasket and the second waterproof gasket at the two sides, and two air sealing blocks are respectively formed in the area enclosed by the first water-proof gasket and the second water-proof gasket.

The utility model provides an it comprises the sealed end of cavity sleeve pipe and both sides of cable insulation waterproof sheath, and it has certain intensity and wearability, therefore can effectively protect the cable wiring end, prevents to be destroyed by wearing and tearing and intake. Meanwhile, the sealing assembly is arranged in the waterproof jacket, so that a good air sealing effect can be achieved, moisture can be effectively prevented from diffusing to the inside of the waterproof jacket from the outside, and a good insulating and waterproof effect is achieved.

Preferably, the air seal seat comprises a first step surface and a second step surface, the area of the first step surface is larger than that of the second step surface, the first step surface is fixedly connected with the outer edge of the first water-resisting gasket, and the second step surface is fixedly connected with the inner edge of the second water-resisting gasket.

The utility model provides a gas seal seat adopts the design of two step faces, can thereby have two gas seal blocks to can the omnidirectional guarantee sealed and electric insulating property.

Preferably, a sealing terminal matched with the through groove in shape is further arranged at the front end of the first waterproof gasket in the sealing end head.

Set up sealed terminal and can further promote water proof water blocking performance.

Preferably, a section of sealing foam filled outside the cable is further sleeved inside the hollow sleeve.

Set up sealed foam it has two beneficial effects, and wherein the first plays good sealing performance, makes water can not permeate the connection position of electric wire, and the second can play effective fixed and the shock-absorbing capacity to the cable junction position for the cracked problem of connection position can not appear at cable vibrations in-process.

Preferably, the hollow sleeve is connected with the sealing end head through threads.

Through threaded connection, the hollow sleeve and the sealing end can be conveniently detached and connected, so that the sealing assembly, the sealing terminal and the sealing foam are more convenient to install.

Therefore, the utility model discloses there is following effect:

(1) the sealing material has good sealing performance, and can effectively block moisture in the daily use process, so that the electrical insulation performance is improved;

(2) meanwhile, the cable terminal fixing structure has good fixing and buffering effects, and can prevent the connection firmness of the cable terminal;

(3) the installation and the disassembly are convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Wherein: the sealing structure comprises a hollow casing 1, a sealing end 2, a through groove 3, a sealing assembly 4, a cable 5, a sealing lining 6, a first waterproof gasket 7, a second waterproof gasket 8, an air sealing seat 9, an air sealing block 10, a first step surface 11, a second step surface 12, a sealing terminal 13 and sealing foam 14.

Detailed Description

The invention is further described with reference to the drawings and the specific embodiments. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, the embodiments of the invention described in the following description are generally only some embodiments, but not all embodiments, of the invention. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.

Example 1

A cable insulation waterproof sheath comprises a hollow sleeve 1 and sealing end heads 2 which are connected to the left end and the right end of the hollow sleeve 1 through threads.

The end part of the sealing end 2 is provided with a through groove 3 for accommodating a cable 5, and after the sealing end 2 is connected with the hollow sleeve 1, a group of sealing components 4 are arranged at the connecting part of the sealing end 2 and the hollow sleeve 1.

Wherein, sealing assembly 4 includes that a cover establishes at the outside sealing bush 6 of cable conductor 5, both ends are provided with first water proof gasket 7 and second water proof gasket 8 respectively around sealing bush 6, wherein first water proof gasket 7 is close to the tip of sealing end 2 and closely laminates with the inner wall of sealing end 2 and the space of the tip department of first water proof gasket 7 front end and sealing end 2 still is provided with one and leads to 3 shape looks adaptations's of groove sealed terminal 13, and second water proof gasket 8 is close to hollow casing 1 and closely laminates with the tip lateral wall of hollow casing 1. An air seal seat 9 is further arranged inside an area defined by the sealing bush 6, the first waterproof gasket 7 and the second waterproof gasket 8.

This gas seal seat 9 includes first step face 11 and second step face 12, and wherein the area of first step face 11 is greater than the area of second step face 12, and the outward flange fixed connection of first step face 11 and first water proof gasket 7, and the inward flange fixed connection of second step face 12 and second water proof gasket 8 for first water proof gasket 7 and second water proof gasket 8 enclose to be divided and form two gas seal blocks 10 respectively by gas seal seat 9 in the region, thereby can effectual realization good sealed effect.

The inside still cover of cavity sleeve pipe 1 is equipped with one section and fills at the outside sealed foam 14 of cable conductor 5 to can play good sealing performance to the electricity connection terminal, make water can not permeate the connection position of electric wire, can play effective fixed and the shock-absorbing capacity to the cable junction position simultaneously, make the cracked problem of connection position can not appear at cable vibrations in-process.

Claims (5)

1. The utility model provides a cable insulation waterproof sheath, its characterized in that, including a cavity sleeve pipe (1) and can with cavity sleeve pipe (1) left and right sides both ends fixed connection's sealed end (2), the tip of sealed end (2) is provided with one and is used for holding logical groove (3) of cable conductor (5), sealed end (2) are provided with a set of seal assembly (4) with cavity sleeve pipe (1) junction, seal assembly (4) include one cover establish at cable conductor (5) outside seal bush (6), both ends are provided with first waterproof gasket (7) and second waterproof gasket (8) respectively around seal bush (6), wherein first waterproof gasket (7) are close to the tip of sealed end (2) and closely laminate with the inner wall of sealed end (2), second waterproof gasket (8) are close to cavity sleeve pipe (1) and closely laminate with the tip lateral wall of cavity sleeve pipe (1), the sealing structure is characterized in that an air seal seat (9) is further arranged inside a region enclosed between the sealing lining (6) and the first water-resisting gasket (7) and the second water-resisting gasket (8), the left side and the right side of the air seal seat (9) are fixedly connected with the first water-resisting gasket (7) and the second water-resisting gasket (8) on the two sides respectively, and two air seal blocks (10) are formed in the region enclosed by the first water-resisting gasket (7) and the second water-resisting gasket (8) respectively.

2. The cable insulation waterproof sheath according to claim 1, wherein the air sealing seat (9) comprises a first step surface (11) and a second step surface (12), the area of the first step surface (11) is larger than that of the second step surface (12), the first step surface (11) is fixedly connected with the outer edge of the first waterproof gasket (7), and the second step surface (12) is fixedly connected with the inner edge of the second waterproof gasket (8).

3. The cable insulating waterproof sheath according to claim 1, characterized in that a sealing terminal (13) with a shape matched with that of the through groove (3) is further arranged inside the sealing end head (2) and at the front end of the first waterproof gasket (7).

4. The cable insulating and waterproof sheath according to claim 1, characterized in that the hollow sleeve (1) is further sheathed with a section of sealing foam (14) filled outside the cable (5).

5. The insulating and waterproof cable sheath according to claim 1, characterized in that the hollow sleeve (1) is screwed to the sealing end (2).

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