CN210041282U - Novel a support core for cold shrink pipe - Google Patents

Abstract

The utility model discloses a novel a support core for cold shrink pipe relates to cold shrink pipe technical field, for solving the current poor problem of support core resistance to pressure for cold shrink pipe. The outer surface of cold reducing pipe body parcel has the outer protective layer, the outer surface parcel of outer protective layer has the waterproof layer, the inner chamber of cold reducing pipe body is provided with the support core, the inner chamber of support core is provided with insulating cover, insulating cover's inner chamber parcel has the inner protective layer, the outer protective layer includes anti-corrosion coating, high temperature resistant protective layer, alkali-free glass weaving layer and polyvinyl chloride layer, the inner chamber parcel of anti-corrosion coating has high temperature resistant protective layer, one side parcel that high temperature resistant protective layer kept away from anti-corrosion coating has alkali-free glass weaving layer, one side parcel that high temperature resistant protective layer was kept away from to alkali-free glass weaving layer has the polyvinyl chloride layer.

Description

Novel a support core for cold shrink pipe

Technical Field

The utility model relates to a shrinkage pipe technical field specifically is a novel a support core for cold shrinkage pipe.

Background

The cold shrinkable cable accessory is made up by using elastomer material (commonly used silicone rubber and ethylene-propylene rubber) and making it undergo the processes of injection vulcanization moulding in factory, expanding diameter and lining with plastic spiral support material, and when it is mounted on site, the pre-expanded pieces are covered on the tail end or joint of the treated cable, and the plastic spiral strip (support material) which is supported in the interior of the cable is drawn out, and tightly pressed on the cable insulation.

Early cold shrink cable termination is only additional insulating silicon rubber shrinkage part of adoption, and electric field processing still adopts stress cone type or stress band package formula, because the inside support core that needs to use of shrinkage pipe, nevertheless current effective support core of shrinkage pipe, and the resistance to pressure is poor, and the effective support core of shrinkage pipe is pressed the deformation easily, and inconvenient people's use has reduced the practicality of the effective support core of shrinkage pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel a support core for cold shrink pipe possesses the good advantage of resistance to pressure, has solved the problem that current effective support core resistance to pressure is poor of cold shrink.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel a support core for cold shrink pipe, includes cold shrink pipe body, the surface parcel of cold shrink pipe body has the outer protective layer, the surface parcel of outer protective layer has the waterproof layer, the inner chamber of cold shrink pipe body is provided with the support core, the inner chamber of support core is provided with insulating cover, insulating cover's inner chamber parcel has the inner protective layer.

Preferably, the outer protective layer comprises an anti-corrosion layer, a high temperature resistant protective layer, an alkali-free glass woven layer and a polyvinyl chloride layer, the inner cavity of the anti-corrosion layer is wrapped with the high temperature resistant protective layer, one side of the high temperature resistant protective layer, far away from the anti-corrosion layer, is wrapped with the alkali-free glass woven layer, and one side of the alkali-free glass woven layer, far away from the high temperature resistant protective layer, is wrapped with the polyvinyl chloride layer.

Preferably, the insulation covering includes conductor shielding layer, electromagnetic shield layer, sinle silk isolation layer and sinle silk insulating layer, the inner chamber parcel of conductor shielding layer has electromagnetic shield layer, one side parcel that the electromagnetic shield layer was kept away from the conductor shielding layer has the sinle silk isolating layer, one side parcel that the electromagnetic shield layer was kept away from to the sinle silk isolating layer has the sinle silk insulating layer.

Preferably, the inner protective layer includes enhancement layer, shock-resistant layer, spiral strengthening rib and buffer layer, the inner chamber parcel of enhancement layer has the shock-resistant layer, the one side parcel that the enhancement layer was kept away from to the shock-resistant layer has spiral strengthening rib, the one side parcel that the shock-resistant layer was kept away from to the spiral strengthening rib has the buffer layer.

Preferably, the surface of the alkali-free glass woven layer is bonded with the inner cavity of the high-temperature resistant protective layer.

Preferably, the inner cavity of the insulating cover is in adhesive connection with the surface of the conductor shielding layer, the inner cavity of the conductor shielding layer is in adhesive connection with the surface of the electromagnetic shielding layer, the inner cavity of the electromagnetic shielding layer is in adhesive connection with the surface of the wire core isolating layer, and the inner cavity of the wire core isolating layer is in adhesive connection with the surface of the wire core insulating layer.

Preferably, the inner cavity of the inner protection layer is bonded and connected with the surface of the reinforcement layer, the inner cavity of the reinforcement layer is bonded and connected with the surface of the impact-resistant layer, the inner cavity of the impact-resistant layer is bonded and connected with the surface of the spiral reinforcing rib, and the inner cavity of the spiral reinforcing rib is bonded and connected with the surface of the buffer layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a setting up mutually supporting of cold shrink pipe body, outer protective layer, waterproof layer, support core, insulating cover and inner protective layer, reached the advantage that the resistance to pressure is good, solved the poor problem of current effective support core resistance to pressure of shrinkage, made things convenient for people's use, improved the practicality of effective support core of shrinkage.

2. The utility model discloses a set up the waterproof layer, play isolated effect to water, the inner chamber of avoiding the shrinkage pipe body is intake and is caused harm to the sinle silk, through setting up electromagnetic shield layer, makes the shrinkage pipe body can effectively avoid external power and electromagnetism in the use, uses the sinle silk of causing the influence to the inside of shrinkage pipe body, through setting up alkali-free glass weaving layer, has increased the fire prevention, fire-retardant, high temperature resistant and the low temperature resistant performance of shrinkage pipe body.

Drawings

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

FIG. 2 is a left side sectional view of the outer cold shrink tube body structure of the present invention;

FIG. 3 is a left side sectional view of the outer protective layer structure of the present invention;

fig. 4 is a left side sectional view of the insulation cover structure of the present invention;

fig. 5 is a left side sectional view of the inner protective layer structure of the present invention.

In the figure: 1 cold shrink tube body, 2 outer protective layers, 201 anti-corrosion layer, 202 high temperature resistant protective layer, 203 alkali-free glass weaving layer, 204 polyvinyl chloride layer, 3 waterproof layer, 4 supporting core, 5 insulating cover, 501 conductor shielding layer, 502 electromagnetic shielding layer, 503 sinle silk isolation layer, 504 sinle silk insulating layer, 6 inner protective layer, 601 enhancement layer, 602 shock resistance layer, 603 spiral strengthening rib, 604 buffer layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a novel supporting core for a cold shrink tube comprises a cold shrink tube body 1, an outer protective layer 2 is wrapped on the outer surface of the cold shrink tube body 1, the outer protective layer 2 comprises an anti-corrosion layer 201, a high temperature resistant protective layer 202, an alkali-free glass woven layer 203 and a polyvinyl chloride layer 204, the inner cavity of the anti-corrosion layer 201 is wrapped with the high temperature resistant protective layer 202, one side of the high temperature resistant protective layer 202, which is far away from the anti-corrosion layer 201, is wrapped with an alkali-free glass woven layer 203, the performances of fire prevention, fire retardation, high temperature resistance and low temperature resistance of the cold shrink tube body 1 are enhanced by arranging the alkali-free glass woven layer 203, the surface of the alkali-free glass woven layer 203 is bonded and connected with the inner cavity of the high temperature resistant protective layer 202, one side of the alkali-free glass woven layer 203, which is far away from the high temperature resistant, the cold-shrink tube has the advantages that the effect of isolating water is realized, the damage to a wire core caused by water inflow of the inner cavity of the cold-shrink tube body 1 is avoided, the inner cavity of the cold-shrink tube body 1 is provided with the supporting core 4, the inner cavity of the supporting core 4 is provided with the insulating cover 5, the insulating cover 5 comprises a conductor shielding layer 501, an electromagnetic shielding layer 502, a wire core isolating layer 503 and a wire core insulating layer 504, the electromagnetic shielding layer 502 is wrapped on the inner cavity of the conductor shielding layer 501, the cold-shrink tube body 1 can effectively avoid the influence of an external power supply and electromagnetism on the use of the wire core in the cold-shrink tube body 1 in the use process by arranging the electromagnetic shielding layer 502, the wire core isolating layer 503 is wrapped on one side of the electromagnetic shielding layer 502 away from the electromagnetic shielding layer 501, the wire core insulating layer 504 is wrapped on one side of the wire core isolating layer 503 away from the electromagnetic shielding layer 502, the inner, the inner cavity of the electromagnetic shielding layer 502 is bonded with the surface of the core isolation layer 503, the inner cavity of the core isolation layer 503 is bonded with the surface of the core insulation layer 504, the inner cavity of the insulation cover 5 is wrapped with the inner protection layer 6, the inner protection layer 6 comprises a reinforcing layer 601, an impact resistant layer 602, spiral reinforcing ribs 603 and a buffer layer 604, the inner cavity of the reinforcing layer 601 is wrapped with the impact resistant layer 602, one side of the impact resistant layer 602, which is far away from the reinforcing layer 601, is wrapped with the spiral reinforcing ribs 603, one side of the spiral reinforcing ribs 603, which is far away from the impact resistant layer 602, is wrapped with the buffer layer 604, the inner cavity of the inner protection layer 6 is bonded with the surface of the reinforcing layer 601, the inner cavity of the reinforcing layer 601 is bonded with the surface of the impact resistant layer 602, the inner cavity of the spiral reinforcing ribs 603, the mutual cooperation of outer protective layer 2, waterproof layer 3, support core 4, insulating cover 5 and inner protective layer 6 has reached the advantage that the resistance to pressure is good, has solved the current poor problem of support core resistance to pressure for the cold shrink pipe, has made things convenient for people's use, has improved the practicality of cold shrink pipe with the support core.

When in use, the wire core isolation layer 503 and the wire core insulation layer 504 are matched with each other to protect the cold-shrink tube body 1, the waterproof layer 3 is arranged to isolate water to prevent water from entering the inner cavity of the cold-shrink tube body 1 to cause damage to the wire core, the electromagnetic shielding layer 502 and the conductor shielding layer 501 are arranged to effectively prevent the cold-shrink tube body 1 from external power and electromagnetism in the use process and influence the use of the wire core inside the cold-shrink tube body 1, the corrosion resistance of the cold-shrink tube body 1 is reinforced by the corrosion-resistant layer 201 and the polyvinyl chloride layer 204, the alkali-free glass weaving layer 203 and the high-temperature resistant protection layer 202 are arranged to increase the fire resistance, the flame retardance, the high-temperature resistance and the low-temperature resistance of the cold-shrink tube body 1, the impact force on the cold-shrink tube body 1 is relieved by arranging the impact-resistant layer 602 and the buffer layer 604 to protect the cold-shrink tube body 1, through the mutual cooperation of the reinforcing layer 601 and the spiral reinforcing rib 603, the pressure resistance of the cold-shrink tube body 1 is improved, the cold-shrink tube body 1 is not easy to deform due to the fact that external force is too large, the pressure resistance of the cold-shrink tube body 1 is improved, and the advantage of good pressure resistance is achieved.

The standard parts used in this document are commercially available, all the parts in this document can be 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 following steps: this novel a support core for cold shrink pipe through setting up mutually supporting of cold shrink pipe body 1, outer protective layer 2, waterproof layer 3, support core 4, insulating cover 5 and inner protective layer 6, has solved the current problem that support core withstand voltage is poor for cold shrink pipe.

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 (7)

1. The utility model provides a novel a support core for cold shrink pipe, includes cold shrink pipe body (1), its characterized in that: the outer surface parcel of shrinkage pipe body (1) has outer protective layer (2), the outer surface parcel of outer protective layer (2) has waterproof layer (3), the inner chamber of shrinkage pipe body (1) is provided with support core (4), the inner chamber of support core (4) is provided with insulating cover (5), the inner chamber parcel of insulating cover (5) has inner protective layer (6).

2. The novel support core for a cold shrink tube of claim 1, wherein: the outer protective layer (2) comprises an anti-corrosion layer (201), a high-temperature resistant protective layer (202), an alkali-free glass woven layer (203) and a polyvinyl chloride layer (204), the inner cavity of the anti-corrosion layer (201) is wrapped with the high-temperature resistant protective layer (202), one side, away from the anti-corrosion layer (201), of the high-temperature resistant protective layer (202) is wrapped with the alkali-free glass woven layer (203), and one side, away from the high-temperature resistant protective layer (202), of the alkali-free glass woven layer (203) is wrapped with the polyvinyl chloride layer (204).

3. The novel support core for a cold shrink tube of claim 1, wherein: insulating cover (5) include conductor shielding layer (501), electromagnetic shield layer (502), sinle silk isolation layer (503) and sinle silk insulating layer (504), the inner chamber parcel of conductor shielding layer (501) has electromagnetic shield layer (502), one side parcel that conductor shielding layer (501) were kept away from to electromagnetic shield layer (502) has sinle silk isolation layer (503), one side parcel that electromagnetic shield layer (502) were kept away from to sinle silk isolation layer (503) has sinle silk insulating layer (504).

4. The novel support core for a cold shrink tube of claim 1, wherein: interior protective layer (6) include enhancement layer (601), impact resistance layer (602), spiral strengthening rib (603) and buffer layer (604), the inner chamber parcel of enhancement layer (601) has impact resistance layer (602), one side parcel that enhancement layer (601) were kept away from in impact resistance layer (602) has spiral strengthening rib (603), one side parcel that impact resistance layer (602) was kept away from in spiral strengthening rib (603) has buffer layer (604).

5. The novel support core for a cold shrink tube of claim 2, wherein: the surface of the alkali-free glass woven layer (203) is bonded and connected with the inner cavity of the high-temperature resistant protective layer (202).

6. The novel support core for a cold shrink tube of claim 1, wherein: the inner cavity of the insulating cover (5) is connected with the surface of the conductor shielding layer (501) in an adhesive mode, the inner cavity of the conductor shielding layer (501) is connected with the surface of the electromagnetic shielding layer (502) in an adhesive mode, the inner cavity of the electromagnetic shielding layer (502) is connected with the surface of the wire core isolating layer (503) in an adhesive mode, and the inner cavity of the wire core isolating layer (503) is connected with the surface of the wire core insulating layer (504) in an adhesive mode.

7. The novel support core for a cold shrink tube of claim 1, wherein: the inner cavity of the inner protection layer (6) is bonded and connected with the surface of the enhancement layer (601), the inner cavity of the enhancement layer (601) is bonded and connected with the surface of the anti-impact layer (602), the inner cavity of the anti-impact layer (602) is bonded and connected with the surface of the spiral reinforcing rib (603), and the inner cavity of the spiral reinforcing rib (603) is bonded and connected with the surface of the buffer layer (604).

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