CN215343852U

CN215343852U - Composite protective sleeve with thermal contraction function

Info

Publication number: CN215343852U
Application number: CN202122068001.8U
Authority: CN
Inventors: 范本祥; 杨银重
Original assignee: Qingdao Hongyuan Cable Technology Co ltd
Current assignee: Qingdao Hongyuan Cable Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2021-12-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a composite protective sleeve with a thermal contraction function, and relates to the technical field of protective sleeves. According to the utility model, through the arrangement of the bar-shaped rod, the filling liquid cavity plate and the limiting clamp hole, the filling liquid cavity plate can be broken when the bar-shaped rod is pressed, so that filling liquid can be filled in the groove, meanwhile, through the matching between the positioning clamp rod and the limiting clamp hole, the bar-shaped rod can be placed more stably, and through the arrangement of the movable sleeve rod and the spring, the protective sleeve is matched with the movable sleeve rod when being shrunk and shaped, so that the protective sleeve and the sleeve body are more tightly attached.

Description

Composite protective sleeve with thermal contraction function

Technical Field

The utility model relates to the technical field of protective sleeves, in particular to a composite protective sleeve with a thermal contraction function.

Background

The sleeve is also called a protection pipe and a conduit, and is a pipeline for protecting the wiring of electric wires and cables in electrical installation, and allows the penetration and replacement of the electric wires and the cables. The cable sleeve is a novel sleeve material which is popularized and used in the power engineering. With the rapid development of power cable buried laying engineering, the cable sleeve has higher requirements, and is suitable for the fields of telecommunication, power engineering, traffic, urban construction and the like. There are generally two types of casing, namely steel protective pipe and plastic pipe, the steel protective pipe having a thin wall pipe and a thick wall pipe and a distinction between galvanized and non-galvanized. The plastic pipe is made of polyvinyl chloride plastic or U-PVC, and has the advantages of common and flame-retardant property, lower price than that of a metal pipe, convenient construction and no rustiness. Most of the wire threading protective sleeves are plastic pipes. The following problems exist in the prior art:

1. when the sleeve is used, after the sleeve is installed, the sleeve needs to be subjected to thermoplastic shrinkage sizing, but in the using process, the sleeve is a plastic product and is easy to bend, so that the sleeve is damaged;

2. during use, the sleeve is easy to rub against the cable, so that the sleeve is worn.

SUMMERY OF THE UTILITY MODEL

The utility model provides a composite protective sleeve with a thermal contraction function, which aims to prevent the sleeve from being bent after the sleeve is subjected to thermoplastic shaping and solve the problem that the sleeve is easy to bend after being subjected to thermoplastic shaping; the other purpose is to solve the problem that the sleeve is easy to wear in the using process so as to achieve the effect of reducing the wear degree of the sleeve in the using process.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a compound protective case with thermal contraction function, includes protective sleeve and sleeve pipe body, the outer wall of sleeve pipe body is provided with protective sleeve, the draw-in groove has been seted up to protective sleeve's outer wall, the inner wall sliding connection of draw-in groove has the bar pole, the bottom fixedly connected with locator card pole of bar pole.

The protective sleeve comprises a sleeve body and is characterized in that an insulating layer is arranged inside the sleeve body, the left end and the right end of the outer wall of the insulating layer are fixedly connected with the inner wall of the sleeve body, and the outer wall of the insulating layer is attached to the inner wall of the protective sleeve.

The technical scheme of the utility model is further improved as follows: the bottom of the inner wall of the clamping groove is provided with a groove, the outer wall of the bar-shaped rod is fixedly connected with a barrier frame, the outer wall of the barrier frame is connected with the inner wall of the groove in a sliding mode, the bottom of the positioning clamping rod is fixedly connected with a filling liquid cavity plate, and the bottom of the positioning clamping rod penetrates through the bottom of the filling liquid cavity plate.

Adopt above-mentioned technical scheme, the filling liquid chamber board in this scheme can make the bar pole when removing, makes the filling liquid chamber board break to can make filling liquid fill to recess inside and avoid the bar pole to appear rocking.

The technical scheme of the utility model is further improved as follows: the inner wall bottom fixedly connected with of recess pastes the base in, spacing calorie of hole has been seted up at the top of interior base, interior base setting is under the bar pole, the inner wall in spacing calorie of hole is connected with the outer wall dismantlement formula of locator card pole, the top of interior base and the bottom swing joint of filling liquid chamber board.

By adopting the technical scheme, the strip-shaped rod in the scheme can be fast fixed through the matching between the positioning clamping rod and the limiting clamping hole.

The technical scheme of the utility model is further improved as follows: the outer wall about both ends department rotate and be connected with movable snap ring, the lantern ring in the side fixedly connected with of movable snap ring, the outer wall fixedly connected with dead lever of the interior lantern ring, the outer wall sliding connection of dead lever has movable loop bar, the outer wall fixedly connected with spacing ring of movable loop bar, the bottom of spacing ring just is located the outer wall fixedly connected with spring of movable loop bar, the bottom of spring and the outer wall fixed connection of the interior lantern ring.

Adopt above-mentioned technical scheme, the protective casing in this scheme is when carrying out the shrink, through cooperating with the activity loop bar to can make between activity snap ring and the sleeve pipe body more stable.

The technical scheme of the utility model is further improved as follows: the inner wall of the insulating layer is provided with a reinforcing layer, and the inner wall of the reinforcing layer is provided with a friction layer.

By adopting the technical scheme, the friction layer in the scheme can slow down the abrasion of the sleeve body in the using process, so that the service time of the sleeve body is prolonged.

The technical scheme of the utility model is further improved as follows: the left end and the right end of the reinforcing layer are attached to the inner wall of the sleeve body, and the left end and the right end of the friction layer are attached to the inner wall of the sleeve body.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:

1. the utility model provides a composite protective sleeve with a thermal contraction function, which can enable a filling liquid cavity plate to be broken when a bar-shaped rod is pressed through the bar-shaped rod, the filling liquid cavity plate and a limiting clamping hole, so that the filling liquid can fill the inside of a groove, meanwhile, the bar-shaped rod can be placed more stably through the matching between a positioning clamping rod and the limiting clamping hole, and the protective sleeve is matched with a movable sleeve rod when being contracted and shaped through the arrangement of the movable sleeve rod and a spring, so that the protective sleeve and a sleeve body are more tightly attached.

2. The utility model provides a composite protective sleeve with a thermal contraction function, which is characterized in that through the arrangement of an insulating layer, a reinforcing layer and a friction layer, the wear speed of a sleeve body can be slowed down through the arranged friction layer, the service life of the sleeve body is prolonged, the strength of the sleeve body can be improved through the arranged reinforcing layer, and the sleeve body is prevented from being damaged in the use process.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the construction of the protective sleeve of the present invention;

FIG. 3 is a structural cross-sectional view of the snap ring of the present invention;

fig. 4 is a structural sectional view of the sleeve body of the present invention.

In the figure: 1. a movable snap ring; 2. a card slot; 3. a bar-shaped rod; 4. a protective sleeve; 5. a sleeve body; 6. positioning the clamping rod; 7. filling the liquid cavity plate; 8. a barrier frame; 9. a groove; 10. limiting clamp holes; 11. an inner pasting base; 12. a movable loop bar; 13. a limiting ring; 14. an inner collar; 15. a spring; 16. fixing the rod; 17. an insulating layer; 18. a reinforcing layer; 19. and (4) a friction layer.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1 to 4, the utility model provides a composite protective sleeve with a thermal contraction function, which comprises a protective sleeve 4 and a sleeve body 5, wherein the protective sleeve 4 is arranged on the outer wall of the sleeve body 5, a clamping groove 2 is formed in the outer wall of the protective sleeve 4, a bar-shaped rod 3 is slidably connected to the inner wall of the clamping groove 2, a positioning clamping rod 6 is fixedly connected to the bottom of the bar-shaped rod 3, an insulating layer 17 is arranged inside the sleeve body 5, the left end and the right end of the outer wall of the insulating layer 17 are fixedly connected with the inner wall of the sleeve body 5, and the outer wall of the insulating layer 17 is attached to the inner wall of the protective sleeve 4.

As shown in fig. 1-4, preferably, the bottom of the inner wall of the clamping groove 2 is provided with a groove 9, the outer wall of the bar-shaped rod 3 is fixedly connected with a blocking frame 8, the outer wall of the blocking frame 8 is slidably connected with the inner wall of the groove 9, the bottom of the positioning clamping rod 6 is fixedly connected with a filling liquid cavity plate 7, the bottom of the positioning clamping rod 6 penetrates through the bottom of the filling liquid cavity plate 7, the filling liquid cavity plate 7 can break the filling liquid cavity plate 7 when the bar-shaped rod 3 moves, so that the filling liquid can fill the inside of the groove 9 to avoid the shaking of the bar-shaped rod 3, the bottom of the inner wall of the groove 9 is fixedly connected with an inner paste base 11, the top of the inner paste base 11 is provided with a limiting clamping hole 10, the inner paste base 11 is arranged under the bar-shaped rod 3, the inner wall of the limiting clamping hole 10 is detachably connected with the outer wall of the positioning clamping rod 6, the top of the inner paste base 11 is movably connected with the bottom of the filling liquid cavity plate 7, the bar-shaped rod 3 can be matched with the limiting clamp hole 10 through the positioning clamp rod 6, so that the bar-shaped rod 3 can be fixed more quickly, the protective sleeve 4 can be prevented from being bent, the hardness of the protective sleeve 4 is higher, the left end and the right end of the outer wall of the protective sleeve 5 are rotatably connected with the movable clamp ring 1, the side surface of the movable clamp ring 1 is fixedly connected with the inner sleeve ring 14, the outer wall of the inner sleeve ring 14 is fixedly connected with the fixed rod 16, the outer wall of the fixed rod 16 is slidably connected with the movable sleeve rod 12, the outer wall of the movable sleeve rod 12 is fixedly connected with the limiting ring 13, the bottom of the limiting ring 13 is fixedly connected with the spring 15 positioned on the outer wall of the movable sleeve rod 12, the bottom of the spring 15 is fixedly connected with the outer wall of the inner sleeve ring 14, and the protective sleeve 4 is matched with the movable sleeve rod 12 when being contracted, therefore, the movable snap ring 1 and the sleeve body 5 can be more stable, and a gap is prevented from being formed at the joint of the port of the protective sleeve 4 and the sleeve body 5.

Example 2

As shown in fig. 1 to 4, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the inner wall of the insulating layer 17 is provided with a reinforcing layer 18, the inner wall of the reinforcing layer 18 is provided with a friction layer 19, the left end and the right end of the reinforcing layer 18 are attached to the inner wall of the sleeve body 5, the left end and the right end of the friction layer 19 are attached to the inner wall of the sleeve body 5, the friction layer 19 can reduce abrasion of the sleeve body 5 in the using process, so that the using time of the sleeve body 5 is prolonged, and meanwhile, the reinforcing layer 18 can improve the strength of the sleeve body.

The working principle of the composite protective sleeve with the thermal contraction function is described in detail below.

As shown in fig. 1-4, press bar-shaped rod 3 with the hand, thereby make filling liquid chamber board 7 and interior base 11 contact and appear breaking, make filling liquid fill recess 9 inside, through the cooperation between locator card pole 6 and the spacing calorie of hole 10, make bar-shaped rod 3 more stable, when protective casing 4 is carrying out the shrink design, through cooperating with activity loop bar 12, make the laminating between activity snap ring 1 and the sleeve pipe body 5 inseparabler, can slow down the wearing and tearing speed of sleeve pipe body 5 through the frictional layer 19 that sets up, make the live time extension of sleeve pipe body 5, the enhancement layer 18 that sets up can make the intensity improvement of sleeve pipe body 5.

The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.

Claims

1. The utility model provides a compound protective case with thermal contraction function, includes protective sheath (4) and sleeve pipe body (5), the outer wall of sleeve pipe body (5) is provided with protective sheath (4), its characterized in that: a clamping groove (2) is formed in the outer wall of the protective sleeve (4), a bar-shaped rod (3) is connected to the inner wall of the clamping groove (2) in a sliding mode, and a positioning clamping rod (6) is fixedly connected to the bottom of the bar-shaped rod (3);

the protective sleeve is characterized in that an insulating layer (17) is arranged inside the sleeve body (5), the left end and the right end of the outer wall of the insulating layer (17) are fixedly connected with the inner wall of the sleeve body (5), and the outer wall of the insulating layer (17) is attached to the inner wall of the protective sleeve (4).

2. A composite protective sleeve with heat-shrinkable function as claimed in claim 1, wherein: recess (9) have been seted up to the inner wall bottom of draw-in groove (2), the outer wall fixedly connected with of bar pole (3) hinders spacer frame (8), the outer wall of obstructing frame (8) and the inner wall sliding connection of recess (9), the bottom fixedly connected with of locator card pole (6) fills liquid chamber board (7), the bottom of locator card pole (6) runs through the bottom of filling liquid chamber board (7).

3. A composite protective sleeve with heat-shrinkable function as claimed in claim 2, wherein: paste base (11) in the inner wall bottom fixedly connected with of recess (9), spacing calorie of hole (10) have been seted up at the top of interior base (11), interior base (11) that paste sets up under bar pole (3), the inner wall in spacing calorie of hole (10) is connected with the outer wall dismantlement formula of location calorie pole (6), the top of interior base (11) and the bottom swing joint of filling liquid chamber board (7).

4. A composite protective sleeve with heat-shrinkable function as claimed in claim 1, wherein: both ends department rotates about the outer wall of sleeve pipe body (5) and is connected with activity snap ring (1), the side fixedly connected with of activity snap ring (1) interior lantern ring (14), the outer wall fixedly connected with dead lever (16) of interior lantern ring (14), the outer wall sliding connection of dead lever (16) has movable loop bar (12), the outer wall fixedly connected with spacing ring (13) of activity loop bar (12), the bottom of spacing ring (13) just is located outer wall fixedly connected with spring (15) of activity loop bar (12), the bottom of spring (15) and the outer wall fixed connection of interior lantern ring (14).

5. A composite protective sleeve with heat-shrinkable function as claimed in claim 1, wherein: a reinforcing layer (18) is arranged on the inner wall of the insulating layer (17), and a friction layer (19) is arranged on the inner wall of the reinforcing layer (18).

6. A composite protective sleeve with heat shrink functionality according to claim 5, wherein: the left end and the right end of the reinforcing layer (18) are attached to the inner wall of the sleeve body (5), and the left end and the right end of the friction layer (19) are attached to the inner wall of the sleeve body (5).