CN209896676U

CN209896676U - Low-friction sleeve for cold shrink tube

Info

Publication number: CN209896676U
Application number: CN201920670689.7U
Authority: CN
Inventors: 赵永青; 刘卫东; 刘凯
Original assignee: Suzhou Faster New Materials Co Ltd
Current assignee: Suzhou Faster New Materials Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-01-03
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a low friction sleeve pipe for cold shrink pipe relates to cold shrink pipe technical field, for solving current low friction sleeve pipe, problem that life is short. The inner chamber of sleeve pipe main part is provided with high temperature resistant layer, the surface of sleeve pipe main part is provided with outer glue film, one side that the sleeve pipe main part was kept away from to outer glue film is provided with the flame retardant coating, one side that outer glue film was kept away from to the flame retardant coating is provided with the barrier layer, one side that the flame retardant coating was kept away from to the barrier layer is provided with the corrosion resistant layer, outer glue film is including chlorosulfonated polyethylene layer, one side that outer glue film was kept away from on chlorosulfonated polyethylene layer is provided with chlorinated polyethylene layer, one side that chlorosulfonated polyethylene layer was kept away from on chlorinated polyethylene layer is provided with chlorohydrin layer, one side that chlorinated polyethylene layer was kept away from on the chlorohydrin layer is provided.

Description

Low-friction sleeve for cold shrink tube

Technical Field

The utility model relates to a shrinkage pipe technical field specifically is a low friction sleeve pipe for cold shrink pipe.

Background

The cold-shrink tube is made up by using elastomer material and making it undergo the processes of injection vulcanization moulding in factory, diameter-expansion and lining with plastic spiral support to form the components of various cable accessories, the pre-expansion pieces are sleeved at the tail end or joint of the treated cable, the plastic spiral strip (support) supported inside is drawn out, the plastic spiral strip is pressed on the cable insulation to form the cable accessory, because the cable accessory is contracted by elastic retraction force at normal temperature rather than heating fire like a thermal contraction cable accessory, the cable accessory is commonly called as a cold contraction cable accessory, a low-friction sleeve is required to be used when the cold contraction pipe is installed and used so as to increase the protective performance, the conventional low-friction sleeve has short service life, when the low-friction sleeve is used for a long time, the low-friction sleeve is easy to age and damage, the protective performance of the low-friction sleeve is affected, the low-friction sleeve is inconvenient for people to use, and the practicability of the low-friction sleeve is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a low friction sleeve pipe for cold draw possesses long service life's advantage, has solved the problem that current low friction sleeve pipe life is short.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low friction sleeve pipe for cold draw, includes the sleeve pipe main part, the inner chamber of sleeve pipe main part is provided with high temperature resistant layer, the surface of sleeve pipe main part is provided with outer glue film, one side that the sleeve pipe main part was kept away from to outer glue film is provided with the flame retardant coating, one side that outer glue film was kept away from to the flame retardant coating is provided with the barrier layer, one side that the flame retardant coating was kept away from to the barrier layer is provided with corrosion-resistant layer.

Preferably, outer glue film includes chlorosulfonated polyethylene layer, one side that outer glue film was kept away from on chlorosulfonated polyethylene layer is provided with the chlorinated polyethylene layer, one side that chlorosulfonated polyethylene layer was kept away from on chlorinated polyethylene layer is provided with the chlorohydrin rubber layer, one side that chlorinated polyethylene layer was kept away from on the chlorohydrin rubber layer is provided with ethylene acrylate rubber layer, one side that ethylene acrylate rubber layer was kept away from on the chlorohydrin rubber layer is provided with acrylate rubber layer.

Preferably, the high temperature resistant layer comprises a silica fiber layer and a soft porcelain fiber layer.

Preferably, the fire-proof layer comprises a basalt fiber layer, and an asbestos fiber layer is arranged on one side, away from the fire-proof layer, of the basalt fiber layer.

Preferably, the barrier layer includes the mica layer, one side that the barrier layer was kept away from on the mica layer is provided with the polyurethane waterproof layer, one side that the mica layer was kept away from on the polyurethane waterproof layer is provided with waterproof coating layer, one side that polyurethane waterproof layer was kept away from on waterproof coating layer is provided with waterproof film layer.

Preferably, the corrosion-resistant layer comprises a graphite layer, and a resin coating layer is arranged on one side, away from the corrosion-resistant layer, of the graphite layer.

Preferably, the inner chamber of sleeve pipe main part is located the surface on high temperature resistant layer, the inner chamber on outer glue film is located the surface of sleeve pipe main part, the inner chamber on flame retardant coating is located the surface on outer glue film, the inner chamber on barrier layer is located the surface of flame retardant coating, the inner chamber on corrosion resistant layer is located the surface of barrier layer.

Preferably, the surface on high temperature resistant layer and the inner chamber bonding connection of sleeve pipe main part, the surface of sleeve pipe main part and the inner chamber bonding connection of outer glue film, the surface on outer glue film and the inner chamber bonding connection of flame retardant coating, the surface on flame retardant coating and the inner chamber bonding connection of barrier layer, the surface of barrier layer and the inner chamber bonding connection of corrosion resistant layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a low friction sleeve pipe for cold shrink pipe possesses following beneficial effect:

1. the utility model discloses a set up the sleeve pipe main part, high temperature resistant layer, outer glue film, chlorosulfonated polyethylene layer, chlorinated polyethylene layer, chlorohydrin rubber layer, ethylene acrylate rubber layer, the flame retardant coating, the basalt fiber layer, the asbestos fiber layer, the barrier layer, the mica layer, the polyurethane waterproof layer, water proof coating layer, water proof film layer, corrosion resistant layer, mutually supporting of graphite layer and resin coating layer, long service life's advantage has been reached, the short problem of current low friction sleeve pipe life has been solved, when the low friction sleeve pipe is using for a long time, aging damage can not appear, can not influence its barrier propterty, people's use has been made things convenient for, the sheathed tube practicality of low friction has been improved.

2. The utility model discloses a set up high temperature resistant layer, the effect of high temperature resistance has been played the sleeve pipe main part, sleeve pipe main part when using has been solved, because the high temperature is too high, cause the problem that high temperature damaged appears in the sleeve pipe main part, the life of sleeve pipe main part has been prolonged, through setting up corrosion resistant layer, corrosion resistant effect has been played the sleeve pipe main part when using, the problem of corrosion damage appears when using to the sleeve pipe main part has been solved, the life of sleeve pipe main part has been prolonged, through setting up the barrier layer, waterproof effect has been played the sleeve pipe main part when using, the unable waterproof problem of sleeve pipe main part when using has been solved, the life of sleeve pipe main part has been prolonged.

Drawings

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

FIG. 2 is a partial cross-sectional view of the outer adhesive layer of the present invention;

FIG. 3 is a partial cross-sectional view of the fire barrier of the present invention;

FIG. 4 is a partial cross-sectional view of a barrier layer of the present invention;

fig. 5 is a partial sectional view of the corrosion-resistant layer of the present invention.

In the figure: the waterproof coating comprises a sleeve main body 1, a high-temperature-resistant layer 2, an outer adhesive layer 3, a chlorosulfonated polyethylene layer 31, a chlorinated polyethylene layer 32, a chlorohydrin rubber layer 33, an ethylene acrylate rubber layer 34, an acrylate rubber layer 35, a fireproof layer 4, a basalt fiber layer 41, an asbestos fiber layer 42, a barrier layer 5, a mica layer 51, a polyurethane waterproof layer 52, a waterproof coating layer 53, a waterproof film layer 54, an anti-corrosion layer 6, a graphite layer 61 and a resin coating layer 62.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when in use, and are used for convenience of description and simplification of description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, a low friction bushing for a cold shrink tube comprises a bushing main body 1, an inner cavity of the bushing main body 1 is located on the surface of a high temperature resistant layer 2, an inner cavity of an outer adhesive layer 3 is located on the surface of the bushing main body 1, an inner cavity of a fire-proof layer 4 is located on the surface of an outer adhesive layer 3, an inner cavity of a barrier layer 5 is located on the surface of the fire-proof layer 4, an inner cavity of a corrosion-resistant layer 6 is located on the surface of the barrier layer 5, the inner cavity of the bushing main body 1 is provided with the high temperature resistant layer 2, the high temperature resistant layer 2 is arranged to resist high temperature for the bushing main body 1, the problem that the bushing main body 1 is damaged by high temperature when the bushing main body 1 is used is solved, the service life of the bushing main body 1 is prolonged, the surface of the high temperature resistant layer 2 is bonded with the inner cavity of the bushing main body 1, and the, the surface of the outer glue layer 3 is connected with the inner cavity of the fireproof layer 4 in an adhesive manner, the surface of the fireproof layer 4 is connected with the inner cavity of the barrier layer 5 in an adhesive manner, the surface of the barrier layer 5 is connected with the inner cavity of the corrosion-resistant layer 6 in an adhesive manner, the high-temperature-resistant layer 2 comprises a silica fiber layer and a soft porcelain fiber layer, the surface of the sleeve main body 1 is provided with the outer glue layer 3, the outer glue layer 3 comprises a chlorosulfonated polyethylene layer 31, one side, away from the outer glue layer 3, of the chlorosulfonated polyethylene layer 31 is provided with a chlorinated polyethylene layer 32, one side, away from the chlorosulfonated polyethylene layer 31, of the chlorinated polyethylene layer 32 is provided with a chlorohydrin rubber layer 33, one side, away from the chlorinated polyethylene layer 32, of the chlorohydrin rubber layer 33 is provided with an ethylene acrylate rubber layer 34, the fireproof layer 4 comprises a basalt fiber layer 41, an asbestos fiber layer 42 is arranged on one side, away from the fireproof layer 4, of the basalt fiber layer 41, a blocking layer 5 is arranged on one side, away from the outer glue layer 3, of the fireproof layer 4, a waterproof effect is achieved for the casing main body 1 during working and use through the arrangement of the blocking layer 5, the problem that the casing main body 1 cannot be waterproof during working and use is solved, the service life of the casing main body 1 is prolonged, the blocking layer 5 comprises a mica layer 51, a polyurethane waterproof layer 52 is arranged on one side, away from the blocking layer 5, of the mica layer 51, a waterproof coating layer 53 is arranged on one side, away from the mica layer 51, of the polyurethane waterproof coating layer 53, a waterproof thin film layer 54 is arranged on one side, away from the fireproof layer 4, of the blocking layer 5, a corrosion-resistant layer 6 is arranged, and a corrosion-resistant effect is achieved for the casing, the problem that the sleeve main body 1 is corroded and damaged in working and using is solved, the service life of the sleeve main body 1 is prolonged, the corrosion-resistant layer 6 comprises a graphite layer 61, one side, far away from the corrosion-resistant layer 6, of the graphite layer 61 is provided with a resin coating layer 62, by arranging the sleeve main body 1, the high-temperature-resistant layer 2, the outer rubber layer 3, the chlorosulfonated polyethylene layer 31, the chlorinated polyethylene layer 32, the chlorohydrin rubber layer 33, the ethylene acrylate rubber layer 34, the acrylate rubber layer 35, the fireproof layer 4, the basalt fiber layer 41, the asbestos fiber layer 42, the barrier layer 5, the mica layer 51, the polyurethane waterproof layer 52, the waterproof coating layer 53, the waterproof film layer 54, the corrosion-resistant layer 6, the graphite layer 61 and the resin coating layer 62 to be matched with each other, the advantage of long service life is achieved, the problem that the service life of the existing low-friction sleeve is short is, aging damage can not appear, can not influence its barrier propterty, made things convenient for people to use, improved low friction sleeve's practicality.

During the use, through high temperature resistant layer 2, high temperature resistant effect has been played to sleeve pipe main part 1, through corrosion resistant layer 6, mutually supporting of graphite layer 61 and resin coating layer 62, corrosion resistant effect has been played when working the use to sleeve pipe main part 1, through barrier layer 5, mica layer 51, polyurethane waterproof layer 52, waterproof coating layer 53 and waterproof film layer 54 mutually supporting, waterproof effect has been played when working the use to sleeve pipe main part 1, prevent that aging damage from appearing in sleeve pipe main part 1, thereby long service life's advantage has been reached.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods (such as thermal welding, ultrasonic welding, flux, welding, and mechanical welding), and no specific description is made here.

In summary, the low-friction sleeve for the cold-shrink tube solves the problem that the service life of the existing low-friction sleeve is short through the mutual matching of the sleeve main body 1, the high-temperature-resistant layer 2, the outer rubber layer 3, the chlorosulfonated polyethylene layer 31, the chlorinated polyethylene layer 32, the chlorohydrin rubber layer 33, the ethylene acrylate rubber layer 34, the acrylate rubber layer 35, the fireproof layer 4, the basalt fiber layer 41, the asbestos fiber layer 42, the barrier layer 5, the mica layer 51, the polyurethane waterproof layer 52, the waterproof coating layer 53, the waterproof thin film layer 54, the corrosion-resistant layer 6, the graphite layer 61 and the resin coating layer 62.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. A low friction bushing for a cold shrink tube, comprising a bushing body (1), characterized in that: the inner chamber of sleeve pipe main part (1) is provided with high temperature resistant layer (2), the surface of sleeve pipe main part (1) is provided with outer glue film (3), one side that sleeve pipe main part (1) was kept away from in outer glue film (3) is provided with flame retardant coating (4), one side that outer glue film (3) were kept away from in flame retardant coating (4) is provided with barrier layer (5), one side that flame retardant coating (4) were kept away from in barrier layer (5) is provided with corrosion-resistant layer (6).

2. A low friction bushing for a cold shrink tube as claimed in claim 1 wherein: outer glue film (3) are including chlorosulfonated polyethylene layer (31), one side that outer glue film (3) were kept away from to chlorosulfonated polyethylene layer (31) is provided with chlorinated polyethylene layer (32), one side that chlorosulfonated polyethylene layer (31) were kept away from to chlorinated polyethylene layer (32) is provided with chlorohydrin rubber layer (33), one side that chlorinated polyethylene layer (32) were kept away from to chlorohydrin rubber layer (33) is provided with ethylene acrylate rubber layer (34), one side that chlorohydrin rubber layer (33) were kept away from to ethylene acrylate rubber layer (34) is provided with acrylate rubber layer (35).

3. A low friction bushing for a cold shrink tube as claimed in claim 1 wherein: the high-temperature resistant layer (2) comprises a silicon dioxide fiber layer and a soft porcelain fiber layer.

4. A low friction bushing for a cold shrink tube as claimed in claim 1 wherein: the fireproof layer (4) comprises a basalt fiber layer (41), and an asbestos fiber layer (42) is arranged on one side, away from the fireproof layer (4), of the basalt fiber layer (41).

5. A low friction bushing for a cold shrink tube as claimed in claim 1 wherein: barrier layer (5) include mica layer (51), one side that barrier layer (5) were kept away from in mica layer (51) is provided with polyurethane waterproof layer (52), one side that mica layer (51) were kept away from in polyurethane waterproof layer (52) is provided with waterproof coating layer (53), one side that polyurethane waterproof layer (52) were kept away from in waterproof coating layer (53) is provided with waterproof film layer (54).

6. A low friction bushing for a cold shrink tube as claimed in claim 1 wherein: the corrosion-resistant layer (6) comprises a graphite layer (61), and a resin coating layer (62) is arranged on one side, away from the corrosion-resistant layer (6), of the graphite layer (61).

7. A low friction bushing for a cold shrink tube as claimed in claim 1 wherein: the inner chamber of sleeve pipe main part (1) is located the surface of high temperature resistant layer (2), the inner chamber of outer glue film (3) is located the surface of sleeve pipe main part (1), the inner chamber of flame retardant coating (4) is located the surface of outer glue film (3), the inner chamber of barrier layer (5) is located the surface of flame retardant coating (4), the inner chamber of corrosion resistant layer (6) is located the surface of barrier layer (5).

8. A low friction bushing for a cold shrink tube as claimed in claim 1 wherein: the surface of high temperature resistant layer (2) is connected with the inner chamber bonding of sleeve pipe main part (1), the surface of sleeve pipe main part (1) is connected with the inner chamber bonding of outer glue film (3), the surface of outer glue film (3) is connected with the inner chamber bonding of flame retardant coating (4), the surface of flame retardant coating (4) is connected with the inner chamber bonding of barrier layer (5), the surface of barrier layer (5) is connected with the inner chamber bonding of corrosion resistant layer (6).