Insulating heat shrink tube containing glue

Abstract

The utility model relates to the field of heat shrink tubes, and discloses a glue-containing insulating heat shrink tube. According to the heat shrink tube, adaptive clamping grooves matched with the mounting clamping strips in size are formed in the positions, corresponding to the mounting clamping strips, of the inner side surface of the outer anti-abrasion sleeve, the heat shrink tube body is filled with a flame-retardant inner layer, and a mounting cavity is formed in the middle of the flame-retardant inner layer. When the heat shrink tube body is installed, the outer anti-abrasion sleeve can be firstly cut according to the actual installation position and length, after cutting is completed, the adaptive clamping groove in the outer anti-abrasion sleeve is aligned with the installation clamping strip on the outer side of the heat shrink tube body, and then the outer anti-abrasion sleeve slides into the outer portion of the heat shrink tube body. The heat shrink tube body and the outer anti-abrasion sleeve can be fixed, then the outer anti-abrasion sleeve can protect the outer surface of the heat shrink tube body without dead corners, the abrasion resistance of the heat shrink tube is guaranteed, and the service life of the heat shrink tube is prolonged.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of heat-shrinkable tubes, and particularly relates to a glue-containing insulating heat-shrinkable tube. BACKGROUND

[0002] A heat-shrinkable tube is a specially-made polyolefin material heat-shrinkable sleeve, and has the advantages of high-temperature shrinkage, soft flame retardation, insulation, corrosion prevention and the like, and is widely applied to the insulation protection of various wire harnesses, welding points and inductors and the rust and corrosion prevention of metal pipes and rods.

[0003] A flame-retardant insulating heat-shrinkable tube is disclosed in an application with the publication number CN215417716U, which comprises a main body, an alarm device, an insulating outer tube, a waterproof layer, and an anti-abrasion structure. The alarm device is fixedly installed on one end of the outer wall of the main body, the insulating outer tube is fixedly installed on one end of the outer wall of the alarm device, the waterproof layer is fixedly installed on one end of the outer wall of the insulating outer tube, and the anti-abrasion structure is fixedly installed on the other end of the outer wall of the main body. The application relates to the technical field of heat-shrinkable tubes. The flame-retardant insulating heat-shrinkable tube can receive and transmit the fire situation through the smoke chip while enhancing the flame-retardant effect, and relevant electronic equipment can be immediately notified and rescued after receiving the information, so as to reduce the loss. The new flame-retardant insulating heat-shrinkable tube further has a better anti-abrasion structure, which can avoid the vibration damage to the heat-shrinkable tube during installation and use, improve the use effect, and bring a better use prospect.

[0004] However, the anti-abrasion structure in the application is fixedly connected to the outer wall of the main body, which causes inconvenience in installation of the main body, and can only protect one side of the main body, so that the overall anti-abrasion effect is not good enough. CONTENT OF THE UTILITY MODEL

[0005] The application aims to solve the above problems, and provides a glue-containing insulating heat-shrinkable tube.

[0006] The technical scheme adopted by the application is as follows: a glue-containing insulating heat-shrinkable tube comprises a heat-shrinkable tube body and an outer anti-abrasion sleeve. Two installation clamping strips are fixedly connected to the outer side surface of the heat-shrinkable tube body. An adaptive clamping groove with a size matched with the installation clamping strip is formed in the inner side surface of the outer anti-abrasion sleeve at a position corresponding to the installation clamping strip. A flame-retardant inner layer is filled in the heat-shrinkable tube body. An installation cavity is arranged in the middle of the flame-retardant inner layer.

[0007] By adopting the technical scheme, the outer wear-resistant sleeve can be cut according to the actual installation position and length between the heat shrink tube bodies, the adaptive clamping grooves in the inner part of the outer wear-resistant sleeve are aligned with the installation clamping strips on the outer side of the heat shrink tube bodies, then the outer wear-resistant sleeve is slid into the outer part of the heat shrink tube bodies, so that the heat shrink tube bodies and the outer wear-resistant sleeve can be fixed, then the outer wear-resistant sleeve can protect the outer surface of the heat shrink tube bodies without dead angle, meanwhile, the outer wear-resistant sleeve occupies a smaller space and does not affect the installation and use of the heat shrink tube bodies, thereby increasing the convenience in use.

[0008] In a preferred embodiment, the inner part of the outer wear-resistant sleeve is provided with an outer wear-resistant layer, an outer heat shrink layer, a buffer layer and an inner heat shrink layer.

[0009] In a preferred embodiment, the outer wear-resistant layer is a nitrile rubber layer.

[0010] By adopting the technical scheme, the outer wear-resistant layer improves the wear resistance of the outer wear-resistant sleeve during use, so that the heat shrink tube bodies are not easily worn, thereby increasing the durability of the heat shrink tube bodies during use.

[0011] In a preferred embodiment, the thickness of the outer heat shrink layer is 0.1-0.2 mm, the thickness of the inner heat shrink layer is 0.05-0.15 mm, and the outer heat shrink layer and the inner heat shrink layer are PVC heat shrink rubber layers.

[0012] By adopting the technical scheme, the outer heat shrink layer and the inner heat shrink layer will shrink inward after being heated, so that the heat shrink tube bodies and the outer wear-resistant sleeve are fixed more firmly.

[0013] In a preferred embodiment, a plurality of anti-skid protrusions are sprayed on the inner surface of the outer wear-resistant sleeve between the adaptive clamping grooves.

[0014] By adopting the technical scheme, the resistance of the installation between the heat shrink tube bodies and the outer wear-resistant sleeve is increased, so that the heat shrink tube bodies and the outer wear-resistant sleeve are prevented from being easily slipped off.

[0015] In a preferred embodiment, the heat shrink tube body comprises a heat-sensitive layer and an outer insulation layer.

[0016] In a preferred embodiment, the heat-sensitive layer is an ABS heat shrink layer.

[0017] In a preferred embodiment, the outer insulation layer is a PVC heat shrink rubber layer.

[0018] By adopting the technical scheme, the outer insulation layer is a PVC heat shrink rubber layer, thereby increasing the insulation safety of the heat shrink tube body during use.

[0019] In a preferred embodiment, the internal of the buffer layer is provided with reinforced stainless steel wires.

[0020] By adopting the above technical scheme, the overall mechanical strength of the outer wear-resistant sleeve is increased, and the durability of the heat shrink tube body is also increased.

[0021] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0022] In the present application, the outer wear-resistant sleeve can be cut according to the actual installation position and length before the heat shrink tube body is installed. After cutting, the adaptive clamping groove in the inner part of the outer wear-resistant sleeve is aligned with the installation clamping strip on the outer side of the heat shrink tube body. Then, the outer wear-resistant sleeve is slid into the outer part of the heat shrink tube body, so that the heat shrink tube body and the outer wear-resistant sleeve can be fixed. Then, the outer wear-resistant sleeve can protect the outer surface of the heat shrink tube body without dead angle, and occupies less space, and will not affect the installation and use of the heat shrink tube body as a whole, increasing the convenience during use. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a schematic diagram of the heat shrink tube body structure of the present application;

[0024] Figure 2 The figure is a schematic diagram of the outer wear-resistant sleeve structure in the present application;

[0025] Figure 3 The figure is a schematic diagram of the layered structure of the outer wear-resistant sleeve in the present application;

[0026] Figure 4 The figure is a schematic diagram of the layered structure of the heat shrink tube body in the present application.

[0027] Markings in the figure: 1, heat shrink tube body; 2, outer wear-resistant sleeve; 3, installation clamping strip; 4, flame-retardant inner layer; 5, installation cavity; 6, adaptive clamping groove; 7, anti-skid protrusion; 8, outer wear-resistant layer; 9, outer heat shrink layer; 10, buffer layer; 11, inner heat shrink layer; 12, heat-sensitive layer; 13, outer insulating layer. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] REFERENCE Figures 1-4 ,

[0030] EMBODIMENT:

[0031] The invention discloses a kind of rubber insulation heat shrinkable tube, including heat shrinkable tube body 1 and outer wear-resistant sleeve 2, the outer side surface of heat shrinkable tube body 1 is fixedly connected with two installation clamping strips 3, the inner side surface of outer wear-resistant sleeve 2 is opened with the size of the corresponding place of installation clamping strip 3 with installation clamping strip 3 Adapted fitting card slot 6, the inside of heat shrinkable tube body 1 is filled with flame-retardant inner layer 4, flame-retardant inner layer 4 is provided with installation cavity 5 in middle part, can be cut according to actual installation position and length before installation heat shrinkable tube body 1 Between wear-resistant sleeve 2, after cutting, the fitting card slot 6 in the inside of wear-resistant sleeve 2 is aligned with the installation clamping strip 3 of the outside of heat shrinkable tube body 1, then wear-resistant sleeve 2 is slid into the outside of heat shrinkable tube body 1, so that heat shrinkable tube body 1 and wear-resistant sleeve 2 can be fixed, then wear-resistant sleeve 2 will be the outer surface of heat shrinkable tube body 1 Protected without dead angle, while occupying smaller space, also will not affect the installation and use of heat shrinkable tube body 1 Overall, increase the convenience when using.

[0032] The inside of outer wear-resistant sleeve 2 is provided with outer wear-resistant layer 8, outer heat shrinkable layer 9, buffer layer 10 and inner heat shrinkable layer 11, outer wear-resistant layer 8 is butyronitrile rubber layer, outer wear-resistant layer 8 improves the wear resistance of outer wear-resistant sleeve 2 during use, so that heat shrinkable tube body 1 will not easily wear, thereby increasing the durability of heat shrinkable tube body 1 during use.

[0033] The thickness of outer heat shrinkable layer 9 is 0.1~0.2mm, the thickness of inner heat shrinkable layer 11 is 0.05~0.15mm, outer heat shrinkable layer 9 and inner heat shrinkable layer 11 are PVC heat shrinkable rubber layer, outer heat shrinkable layer 9 and inner heat shrinkable layer 11 will be inwardly contracted after being heated, so that heat shrinkable tube body 1 and wear-resistant sleeve 2 are more firmly fixed.

[0034] The inner side surface of outer wear-resistant sleeve 2 is sprayed with a plurality of anti-skid protrusions 7 between fitting card slot 6, which increases the resistance between heat shrinkable tube body 1 and outer wear-resistant sleeve 2, preventing heat shrinkable tube body 1 and outer wear-resistant sleeve 2 from slipping easily.

[0035] Heat shrinkable tube body 1 includes heat-sensitive layer 12 and outer insulating layer 13, heat-sensitive layer 12 is ABS heat shrinkable layer, and outer insulating layer 13 is PVC heat shrinkable rubber layer, which increases the insulation safety of heat shrinkable tube body 1 during use.

[0036] The inside of buffer layer 10 is provided with a reinforcing stainless steel wire, which increases the overall mechanical strength of outer wear-resistant sleeve 2 and also increases the durability of heat shrinkable tube body 1.

[0037] The implementation principle of the embodiment of the insulating heat-shrinkable tube with the adhesive is as follows: in use, the outer wear-resistant sleeve 2 can be cut according to the actual installation position and length before the heat-shrinkable tube body 1 is installed; after cutting, the adaptive clamping groove 6 in the outer wear-resistant sleeve 2 is aligned with the installation clamping strip 3 on the outer side of the heat-shrinkable tube body 1; then the outer wear-resistant sleeve 2 is slid into the outside of the heat-shrinkable tube body 1, so that the heat-shrinkable tube body 1 and the outer wear-resistant sleeve 2 can be fixed; then the outer wear-resistant sleeve 2 can protect the outer surface of the heat-shrinkable tube body 1 without dead angle, occupies smaller space, and does not affect the installation and use of the heat-shrinkable tube body 1 as a whole, thereby increasing the convenience in use.

[0038] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A rubber-containing heat-shrinkable insulated tube comprising a heat-shrinkable tube body (1) and an outer wear sleeve (2), characterized in that: The outer side surface of the heat shrink tube body (1) is fixedly connected with two mounting clamping strips (3), the inner side surface of the outer wear-resistant sleeve (2) is provided with adaptively-sized adaptively-sized clamping grooves (6) corresponding to the mounting clamping strips (3), the inside of the heat shrink tube body (1) is filled with a flame-retardant inner layer (4), and the middle part of the flame-retardant inner layer (4) is provided with a mounting cavity (5).

2. An adhesive-containing heat-shrinkable tube as claimed in claim 1, wherein: The inside of the outer wear-resistant sleeve (2) is provided with an outer wear-resistant layer (8), an outer heat shrink layer (9), a buffer layer (10) and an inner heat shrink layer (11).

3. An adhesive-containing insulated heat-shrinkable tube as defined in claim 2, wherein: The outer wear-resistant layer (8) is a nitrile rubber layer.

4. An adhesive-containing heat-shrinkable tube as defined in claim 2, wherein: The thickness of the outer heat shrink layer (9) is 0.1-0.2 mm, the thickness of the inner heat shrink layer (11) is 0.05-0.15 mm, and the outer heat shrink layer (9) and the inner heat shrink layer (11) are PVC heat shrink rubber layers.

5. An adhesive-containing heat-shrinkable tube as defined in claim 1, wherein: The inner side surface of the outer wear-resistant sleeve (2) is sprayed with a plurality of anti-skid protrusions (7) between the adaptively-sized clamping grooves (6).

6. An adhesive-containing heat-shrinkable tube as defined in claim 1, wherein: The heat shrink tube body (1) comprises a heat-sensitive layer (12) and an outer insulating layer (13).

7. An adhesive-containing insulated heat-shrinkable tube as defined in claim 6, wherein: The heat-sensitive layer (12) is an ABS heat shrink layer.

8. An adhesive-containing heat-shrinkable tube as defined in claim 6, wherein: The outer insulating layer (13) is a PVC heat shrink rubber layer.

9. An adhesive-containing heat-shrinkable tube as defined in claim 2, wherein: The inside of the buffer layer (10) is provided with a reinforcing stainless steel wire.

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