CN218729937U

CN218729937U - High-temperature-resistant ethylene propylene rubber cable sheath

Info

Publication number: CN218729937U
Application number: CN202221912733.9U
Authority: CN
Inventors: 陆国龙; 谭建群; 谭伟群; 宋华磊
Original assignee: Shandong Hongjian Polymer Material Technology Co ltd
Current assignee: Shandong Hongjian Polymer Material Technology Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-03-24
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to a high temperature resistant EP rubbers cable sheath technical field specifically is a high temperature resistant EP rubbers cable sheath, including the cable core, the outside cover of cable core is equipped with the insulating layer, the outside cover of insulating layer is equipped with fire-retardant layer, the outer wall on fire-retardant layer is provided with a plurality of constant head tanks, the outside cover on fire-retardant layer is equipped with aerogel layer, aerogel layer's inner wall is connected with a plurality of locating convex blocks, locating convex block inserts the inside of each corresponding constant head tank, aerogel layer's middle part is worn to be equipped with a plurality of siphunculus, the inside of siphunculus is provided with spacing, aerogel layer's outer wall is connected with a plurality of elastic blocks, aerogel layer's outside cover is equipped with EP rubbers layer, EP rubbers layer's inner wall and each elastic block's looks remote site are connected, EP rubbers layer's outer wall is connected with the wearing layer. The utility model discloses have the inside damage of reduction cable, the better effect of barrier propterty.

Description

High-temperature-resistant ethylene propylene rubber cable sheath

Technical Field

The utility model relates to a high temperature resistant EP rubbers cable sheath technical field specifically is a high temperature resistant EP rubbers cable sheath.

Background

High temperature resistant ethylene propylene rubber cable sheath is a cable sheath of using the preparation of ethylene propylene rubber, in the use, with its high temperature resistance performance, reduces the damage of cable sheath under high temperature, and prior art discloses a strenghthened type fire-resistant insulation support, adopts multilayer structure's mode protection cable core, can effectively reduce the damage of cable, nevertheless to part application scene, the easy damage of cable ectotheca to easily twist reverse between the cable internal layer, cause the inside damage of cable, influence the transmission effect of cable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high temperature resistant EP rubbers cable sheath has the inside damage of reduction cable, the better effect of barrier propterty.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature resistant EP rubbers cable sheath, including the cable core, the outside cover of cable core is equipped with the insulating layer, the outside cover of insulating layer is equipped with fire-retardant layer, the outer wall on fire-retardant layer is provided with a plurality of constant head tanks, the outside cover on fire-retardant layer is equipped with aerogel layer, aerogel layer's inner wall is connected with a plurality of location lug, location lug inserts the inside that respectively corresponds the constant head tank, a plurality of siphunculus are worn to be equipped with at aerogel layer's middle part, the inside of siphunculus is provided with spacing, aerogel layer's outer wall is connected with a plurality of elastic blocks, aerogel layer's outside cover is equipped with EP rubbers layer, EP rubbers layer's inner wall and each elastic block's looks remote site are connected, EP rubbers layer's outer wall connection has the wearing layer.

In order to further improve the protection effect, the external connection of wearing layer has a plurality of inoxidizing coating, fixedly connected with extension board between the outer wall of inoxidizing coating and wearing layer.

Preferably, the inside of each tube is filled with a filler.

Further, the outer wall of the wear-resistant layer is coated with paint.

Further, the protective layer is made of elastic materials.

Furthermore, the elastic block is made of ethylene propylene rubber.

Compared with the prior art, the utility model provides a high temperature resistant EP rubbers cable sheath possesses following beneficial effect:

this high temperature resistant EP rubbers cable sheath, keep apart the cable core through the insulating layer, and through the location lug, cooperate between fire-retardant layer and the aerogel layer, reduce the torsional condition of mutual friction between fire-retardant layer and the aerogel layer, and through spacing, cooperate between siphunculus and the aerogel layer, and then reduce the deformation of aerogel layer, reduce the aerogel layer and receive the torsional condition of taking place after the external shock, and through the setting on elastic block and EP rubbers layer, can make and receiving partial torsional force after, offset part cushion power through the deformation of elastic block, further improve the protecting effect, reach and reduce the inside damage of cable, the better effect of barrier propterty.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

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

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1;

fig. 3 is a left side view schematic diagram of the present invention.

The symbols in the figures indicate:

1. a cable core; 2. an insulating layer; 3. positioning the bump; 4. a flame retardant layer; 5. a filler; 6. a limiting strip; 7. pipe passing; 8. an aerogel layer; 9. an ethylene propylene rubber layer; 10. an elastic block; 11. a wear layer; 12. coating; 13. a protective layer; 14. an extension plate.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Example (b):

please refer to fig. 1-3, the utility model provides a high temperature resistant ethylene propylene rubber cable sheath, including cable core 1, cable core 1's outside cover is equipped with insulating layer 2, and insulating layer 2 is the ethylene propylene rubber material, and insulating layer 2's outside cover is equipped with fire-retardant layer 4, and fire-retardant layer 4 is the polyethylene material, and fire-retardant layer 4's outer wall is provided with a plurality of constant head tanks, and fire-retardant layer 4's outside cover is equipped with aerogel layer 8, and aerogel layer 8 is the glass fiber material.

A plurality of locating convex blocks 3 of aerogel layer 8's inner wall fixedly connected with, locating convex block 3 inserts each inside that corresponds the constant head tank, a plurality of siphunculus 7 are worn to be equipped with at aerogel layer 8's middle part, the inside of siphunculus 7 is provided with spacing 6, the inside of each siphunculus 7 all is filled there is filler 5, filler 5 is the polyurethane material, protect spacing 6 through filler 5, and then spacing 6 is carried on spacingly, reduce wearing and tearing between spacing 6 and the siphunculus 7, a plurality of elastic blocks 10 of aerogel layer 8's outer wall fixedly connected with, elastic block 10 is the ethylene propylene rubber material, elasticity and high temperature resistance through ethylene propylene rubber are better, the deformation at adaptable middle part.

The outside cover of aerogel layer 8 is equipped with ethylene-propylene rubber layer 9, the inner wall of ethylene-propylene rubber layer 9 and the looks remote site fixed connection of each elastic block 10, the outer wall fixedly connected with wearing layer 11 of ethylene-propylene rubber layer 9, keep apart cable core 1 through insulating layer 2, and through location lug 3, cooperate between fire-retardant layer 4 and the aerogel layer 8, reduce the torsional condition of mutual friction between fire-retardant layer 4 and the aerogel layer 8, and through spacing 6, cooperate between siphunculus 7 and the aerogel layer 8, and then reduce the deformation of aerogel layer 8, it takes place torsional condition to reduce aerogel layer 8 to receive after the external shock, and through the setting of elastic block 10 and ethylene-propylene rubber layer 9, can make after receiving partial torsional force, offset partial buffer power through the deformation of elastic block 10, further improve the protective effect, reach and reduce the inside damage of cable, the better effect of barrier propterty.

Furthermore, the outer portion of the wear-resistant layer 11 is connected with a plurality of protective layers 13, an extension plate 14 is fixedly connected between the protective layers 13 and the outer wall of the wear-resistant layer 11, the wear-resistant layer 11 is made of rubber materials, the protective layers 13 support partial areas, adjacent cables can be separated through the protective layers 13, and the winding situation of the cables is reduced.

The outer wall coating of wearing layer 11 has coating 12, and coating 12 chooses KN7 filler 51 ceramic coating 12 for use, through the outer wall of coating 12 protection wearing layer 11, reduces the wearing and tearing of wearing layer 11 outer wall and other thing.

The protective layer 13 is made of elastic materials, the protective layer 13 is made of polyethylene materials, and damage of the protective layer 13 after collision with other objects is reduced through the elasticity of the protective layer 13.

In the description of the present invention, it is to be understood that the positional or positional relationships, such as the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, are based on the positional or positional relationships illustrated in the drawings and are for convenience in describing the present application and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting of the present application.

Further, in the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high temperature resistant ethylene propylene rubber cable sheath is characterized in that: including cable core (1), the outside cover of cable core (1) is equipped with insulating layer (2), the outside cover of insulating layer (2) is equipped with fire-retardant layer (4), the outer wall of fire-retardant layer (4) is provided with a plurality of constant head tanks, the outside cover of fire-retardant layer (4) is equipped with aerogel layer (8), the inner wall of aerogel layer (8) is connected with a plurality of locating convex blocks (3), locating convex blocks (3) insert each and correspond the inside of constant head tank, a plurality of siphunculus (7) are worn to be equipped with at the middle part of aerogel layer (8), the inside of siphunculus (7) is provided with spacing (6), the outer wall of aerogel layer (8) is connected with a plurality of elastic blocks (10), the outside cover of aerogel layer (8) is equipped with ethylene propylene rubber layer (9), the inner wall and each of ethylene propylene rubber layer (9) the looks remote site of elastic block (10) is connected, the outer wall of ethylene propylene rubber layer (9) is connected with wearing layer (11).

2. The high-temperature-resistant ethylene propylene rubber cable sheath according to claim 1, characterized in that: the outer part of the wear-resistant layer (11) is connected with a plurality of protective layers (13), and an extension plate (14) is fixedly connected between the protective layers (13) and the outer wall of the wear-resistant layer (11).

3. The high-temperature-resistant ethylene propylene rubber cable sheath according to claim 2, characterized in that: the inside of each through pipe (7) is filled with filler (5).

4. The high-temperature-resistant ethylene propylene rubber cable sheath according to claim 3, characterized in that: the outer wall of the wear-resistant layer (11) is coated with paint (12).

5. The high-temperature-resistant ethylene propylene rubber cable sheath according to claim 4, characterized in that: the protective layer (13) is made of elastic material.

6. The high-temperature-resistant ethylene propylene rubber cable sheath according to claim 5, characterized in that: the elastic block (10) is made of ethylene propylene rubber.