CN212113333U

CN212113333U - Novel double-layer glass heat-shrinkable tube

Info

Publication number: CN212113333U
Application number: CN202021201225.0U
Authority: CN
Inventors: 马润
Original assignee: Chongqing Helin Electronic Materials Co ltd
Current assignee: Chongqing Helin Electronic Materials Co ltd
Priority date: 2020-06-26
Filing date: 2020-06-26
Publication date: 2020-12-08
Anticipated expiration: 2030-06-26

Abstract

The utility model relates to the technical field of tubular product, specifically speaking relates to a novel double glazing pyrocondensation pipe, including the sinle silk, the sinle silk outside is followed interior to outer cover in proper order and is equipped with interior pyrocondensation pipe and outer protective pipe, and interior pyrocondensation pipe includes the thermal contraction sleeve, evenly is equipped with the hot melt adhesive layer on the inside wall of thermal contraction sleeve, and outer protective pipe includes that glass fiber weaves the sleeve pipe, and glass fiber weaves the sleeve pipe overcoat and is equipped with heat-resisting insulating lag. The novel double-layer glass heat-shrinkable tube can be heated and shrunk to tightly wrap the wire rod, so that the end head or the joint part of the wire rod is prevented from loosening and breaking, and the electric leakage phenomenon of the joint part of the electric wire rod can be effectively avoided; meanwhile, the heat resistance, the insulation and other properties of the wire rod can be improved, the protection effect of the wire rod is improved, and the service life of the wire rod is prolonged.

Description

Novel double-layer glass heat-shrinkable tube

Technical Field

The utility model relates to a tubular product technical field, specifically speaking relates to a novel double glazing pyrocondensation pipe.

Background

The sleeve is a pipe for protecting linear materials, and is widely applied to insulation protection of various wire harnesses, welding spots and inductors, rust prevention and corrosion prevention of metal pipes and bars and the like. The glass fiber is an inorganic non-metallic material with excellent performance, and is an excellent material for manufacturing the protective sleeve due to excellent insulation, heat resistance and corrosion resistance. However, the traditional glass fiber tube has a simple structure, and can only play a basic role in protecting the wire, but cannot well protect the end part or the joint part of the wire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel double glazing pyrocondensation pipe to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a novel double glazing pyrocondensation pipe, includes the sinle silk, the sinle silk outside is equipped with interior heat shrink pipe and outer protective pipe from interior to outer cover in proper order, interior heat shrink pipe includes the heat shrink sleeve pipe, evenly be equipped with the hot melt adhesive layer on the inside wall of heat shrink sleeve pipe, outer protective pipe includes that glass fiber weaves the sleeve pipe, glass fiber weaves the sleeve pipe overcoat and is equipped with heat-resisting insulating lag.

Preferably, a plurality of convex strips are integrally formed on the outer side wall of the heat shrinkable sleeve.

Preferably, the outer diameter of the rib is larger than the inner diameter of the glass fiber woven sleeve.

Preferably, the distance between two adjacent convex strips is equal to the width of the convex strips.

Preferably, the inner diameter of the hot melt adhesive layer is larger than the outer diameter of the wire core.

Preferably, the inner side wall of the heat-resistant insulating protective sleeve is fused and fixed on the outer side wall of the glass fiber woven sleeve.

Preferably, a plurality of asbestos wires are regularly embedded in the heat-resistant insulating protective sleeve.

Preferably, the spacing between two adjacent asbestos threads is equal.

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

1. the novel double-layer glass heat-shrinkable tube is provided with the double-layer glass heat-shrinkable tube consisting of the inner heat-shrinkable tube and the outer protective tube, the inner heat-shrinkable tube can be heated to shrink so as to tightly wrap the wire rod, so that the end head or the joint part of the wire rod is prevented from loosening and breaking, and the electric leakage phenomenon of the joint part of the electric wire rod can be effectively avoided;

2. this novel double glazing pyrocondensation pipe is through setting up the outer protective pipe of weaving sleeve pipe and heat-resisting insulating lag by glass fiber and forming, sets up a plurality of asbestos lines in the heat-resisting insulating lag, can improve the heat-resisting, performances such as insulating of outer protective pipe, makes this double glazing pyrocondensation pipe more wear-resisting durable, improves its protecting effect, prolongs the life of wire rod.

Drawings

Fig. 1 is a schematic view of a partial structure of the utility model;

FIG. 2 is a schematic view of a structure of an intermediate internal heat shrinkable tube of the utility model;

FIG. 3 is a schematic view of a half-sectional structure of an intermediate internal heat shrinkable tube of the utility model;

FIG. 4 is a schematic view of a half-section structure of the outer protective tube in the utility model;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

In the figure:

1. a wire core;

2. internally heat shrinking the pipe; 21. heat-shrinkable sleeving; 211. a convex strip; 22. a hot melt adhesive layer;

3. an outer protective tube; 31. a glass fiber braided sleeve; 32. a heat-resistant insulating protective sleeve; 321. asbestos threads.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on utility model provides a, all other utility model that the ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.

In the description of the present invention, it is to be understood that the terms "width", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a novel double glazing pyrocondensation pipe, includes sinle silk 1, and the 1 outside of sinle silk is from interior to outer cover in proper order is equipped with interior heat shrink pipe 2 and outer protective pipe 3, and interior heat shrink pipe 2 includes heat shrink sleeve 21, evenly is equipped with hot melt adhesive layer 22 on the inside wall of heat shrink sleeve 21, and outer protective pipe 3 includes that glass fiber weaves sleeve 31, and glass fiber weaves sleeve 31 overcoat and is equipped with heat-resisting insulating lag 32.

In this embodiment, the outer sidewall of the heat shrinkable sleeve 21 is integrally formed with a plurality of ribs 211.

Further, the outer diameter of the convex strip 211 is larger than the inner diameter of the glass fiber braided sleeve 31, the convex strip 211 is in interference fit with the inner side wall of the glass fiber braided sleeve 31, the fit tightness between the inner heat shrinkable tube 2 and the outer protective tube 3 is improved, and the outer protective tube 3 is prevented from sliding.

Further, the distance between two adjacent convex strips 211 is equal to the width of the convex strips 211, so that the outer side wall of the heat shrinkable sleeve 21 is uniform and flat, and the heat shrinkable sleeve 21 is ensured to be uniform and flat after heat shrinkage.

Specifically, the heat shrinkable sleeve 21 is preferably made of ethylene-vinyl acetate copolymer (EVA), which has good insulation, water resistance, corrosion resistance and wear resistance;

further, the inner diameter of the hot melt adhesive layer 22 is larger than the outer diameter of the wire core 1, so that the wire core 1 penetrates into the double-layer glass heat-shrinkable tube in the using process, and meanwhile, a heat-shrinkable space is reserved for the inner heat-shrinkable tube 2 by the gap between the hot melt adhesive layer 22 and the wire core 1.

Specifically, the hot melt adhesive layer 22 is adhered to the inner side wall of the heat shrinkable sleeve 21 through composite processing, the hot melt adhesive has the advantages of low melting point, waterproof sealing, high adhesion and the like, when the inner heat shrinkable tube 2 is heated and shrunk to clamp the wire core 1, the hot melt adhesive layer 22 is melted and adheres to the wire core 1, and the joint section of the wire core 1 can be effectively protected.

In this embodiment, the inner sidewall of the heat-resistant insulating sheath 32 is fused and fixed on the outer sidewall of the glass fiber woven sleeve 31, so that the heat-resistant insulating sheath 32 and the glass fiber woven sleeve 31 are tightly and stably bonded.

Specifically, the glass fiber braided sleeve 31 is preferably made of glass fiber filaments impregnated with resin by a reciprocating fiber winding process, and the material has good insulating, aging-resistant, high-temperature-resistant, corrosion-resistant, wear-resistant and other properties, so that the wire rod can be effectively protected.

Further, a plurality of asbestos threads 321 are regularly embedded in the heat-resistant insulating protection sleeve 32.

Further, the spacing between two adjacent asbestos threads 321 is equal; specifically, the plurality of asbestos threads 321 may be distributed in a parallel, spiral, or cross-woven manner, so that the distribution of the asbestos threads 321 is uniform.

Specifically, the heat-resistant insulating protective sleeve 32 is preferably made of fluororubber, the material of the heat-resistant insulating protective sleeve has good performances of high temperature resistance, insulation, water resistance, elasticity and the like, and the added asbestos wire 321 can further improve the insulation and toughness of the heat-resistant insulating protective sleeve 32, so that the double-layer glass heat-shrinkable tube can better protect wires.

The utility model discloses a novel double glazing pyrocondensation pipe when using, penetrates earlier with sinle silk 1 this double glazing pyrocondensation pipe that equals rather than length in, heats again the both ends of sinle silk 1 and makes the 2 contractions of interior heat shrink pipe tightly wrap up sinle silk 1, then this wire rod of normal use can.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel double glazing pyrocondensation pipe, includes sinle silk (1), its characterized in that: the cable core is characterized in that an inner heat shrinkage pipe (2) and an outer protection pipe (3) are sequentially sleeved on the outer side of the cable core (1) from inside to outside, the inner heat shrinkage pipe (2) comprises a heat shrinkage sleeve (21), a hot melt adhesive layer (22) is uniformly arranged on the inner side wall of the heat shrinkage sleeve (21), the outer protection pipe (3) comprises a glass fiber woven sleeve (31), and a heat-resistant insulating protective sleeve (32) is sleeved outside the glass fiber woven sleeve (31).

2. The novel double-glazing heat shrinkable tube according to claim 1, characterized in that: the outer side wall of the heat shrinkable sleeve (21) is integrally formed with a plurality of convex strips (211).

3. The novel double-glazing heat shrinkable tube according to claim 2, characterized in that: the outer diameter of the convex strip (211) is larger than the inner diameter of the glass fiber braided sleeve (31).

4. A novel double-glazing heat shrinkable tube according to claim 3, characterized in that: the distance between two adjacent convex strips (211) is equal to the width of the convex strips (211).

5. The novel double-glazing heat shrinkable tube according to claim 1, characterized in that: the inner diameter of the hot melt adhesive layer (22) is larger than the outer diameter of the wire core (1).

6. The novel double-glazing heat shrinkable tube according to claim 1, characterized in that: the inner side wall of the heat-resistant insulating protective sleeve (32) is fixed on the outer side wall of the glass fiber braided sleeve (31) in a melting mode.

7. The novel double-glazing heat shrinkable tube according to claim 1, characterized in that: a plurality of asbestos threads (321) are regularly embedded in the heat-resistant insulating protective sleeve (32).

8. The novel double-glazing heat shrinkable tube according to claim 7, characterized in that: the spacing between two adjacent asbestos threads (321) is equal.