A high and low voltage heat shrinkable insulating sleeve

Abstract

The utility model discloses a high-low voltage heat shrinkable insulating sleeve, the insulating sleeve comprises an insulating sleeve body, an A connection component and a B connection component, the A connection component is fixedly arranged at one end of the insulating sleeve body, the B connection component is fixedly arranged at one end of the insulating sleeve body away from the A connection component, and the insulating sleeve body, the A connection component and the B connection component are all hollow structures. The utility model is provided with an A connection component at one end of the insulating sleeve body and a B connection component at the other end, and the two ends of the same insulating sleeve body are respectively composed of the A connection component and the B connection component, so that a plurality of insulating sleeve bodies can be connected by the A connection component and the B connection component, and when the insulating sleeve at a certain position of the wire is broken, the insulating sleeve body can be sleeved on the damaged part, so that the broken cable can be repaired, thereby indirectly extending the service life of the cable.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating sleeves, in particular to a high- and low-voltage heat-shrinkable insulating sleeve. Background Art

[0002] Definition of insulating sleeve: Insulating sleeve is a product used for electrical insulation protection. It is made of a material that is UV-resistant, cold-proof, corrosion-resistant and wear-resistant. The inside of the insulating sleeve can be covered on wires and cables to protect the insulation layer and prevent the wires and cables from being affected by mechanical damage, oxidation corrosion and other factors.

[0003] In general, the materials used for heat shrinkable insulating sleeves have the properties of high temperature resistance, waterproofness and insulation. When producing wires, PVC insulating sleeves need to be put on the outside of the wires, which can improve the insulation and heat resistance of the original wires. However, the existing insulating sleeves are generally processed as a whole when leaving the factory. However, after use, the whole wire will have a node or a section damaged. When it is necessary to install an insulating sleeve on a certain section of the exposed wire, it is basically impossible to do so. It is often necessary to replace the entire section of the wire, which is easy to cause a waste of resources. Utility Model Content

[0004] The purpose of the utility model is to provide a high and low voltage heat shrinkable insulating sleeve to solve the problem that after the use of the device proposed in the above background technology, a node or a section of the entire wire will be damaged. When it is necessary to install an insulating sleeve on a certain section of the exposed wire, it is basically impossible to do so. It is often necessary to replace the entire section of the wire, which easily leads to a waste of resources.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high and low voltage heat shrinkable insulating sleeve, the insulating sleeve comprising an insulating sleeve body, an A connecting component and a B connecting component, the A connecting component is fixedly arranged at one end of the insulating sleeve body, the B connecting component is fixedly arranged at the end of the insulating sleeve body away from the A connecting component, the insulating sleeve body, the A connecting component and the B connecting component are all hollow structures, the A connecting component and the B connecting component are used to finish and splice the two insulating sleeve bodies to extend the overall length of the insulating sleeve body.

[0006] Optionally, the A-connection component includes an A-connection sleeve head fixed on the end face of the insulating sleeve body, an inner contact frame fixed on the inner side of the A-connection sleeve head, and a docking inner groove opened in the middle position between the inner contact frame and the A-connection sleeve head.

[0007] Optionally, a docking circular groove is opened on the inner side wall of the docking inner groove, and four docking circular grooves are provided. The four docking circular grooves are symmetrically structured with A connecting the center point of the sleeve head.

[0008] Optionally, A-butting connecting teeth are evenly arranged on the inner side wall of the inner contact frame, and the A-butting connecting teeth are arranged in a triangular shape.

[0009] Optionally, the B connection component includes a B connection sleeve head fixed on the end face of the insulating sleeve body, an outer sleeve connection ring fixed on the inner side wall of the B connection sleeve head, and B butt-connecting teeth evenly fixed on the inner side wall of the outer sleeve connection ring, and the gap positions between several of the B butt-connecting teeth form a meshing structure with the A butt-connecting teeth.

[0010] Optionally, a connecting outer ring is fixedly provided on the end face of the B connecting sleeve head, and a docking cylinder is fixedly provided on the edge of the connecting outer ring. Four groups of docking cylinders are provided, and the four groups of docking cylinders are symmetrically structured with the center point of the B connecting sleeve head.

[0011] Optionally, the inner diameter of the docking cylinder matches that of the docking circular groove, and one end of the inner side of the docking cylinder abuts against one end of the inner side of the docking circular groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By setting an A connection component at one end of the insulating sleeve body and a B connection component at the other end, the two ends of the same insulating sleeve body are respectively composed of the A connection component and the B connection component, so that several insulating sleeve bodies can be connected together through the A connection component and the B connection component. When the insulating sleeve at a certain position of the wire is broken, the insulating sleeve body can be sleeved on the damaged part, so that the broken cable can be repaired, thereby indirectly extending the service life of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the insulating sleeve of this application;

[0015] Figure 2 This is a schematic diagram of the structure of the A connection component and the B connection component of this application;

[0016] Figure 3 This is a side view of the structure of the A connection component and the B connection component of this application;

[0017] Figure 4 This is a schematic diagram of the end face structure of the connection component A in this application.

[0018] In the figure:

[0019] 1. Insulating sleeve body;

[0020] 2. A connection assembly; 21. A connection casing head; 22. docking inner groove; 23. inner contact frame; 24. A docking connecting tooth; 25. docking circular groove;

[0021] 3. B connecting assembly; 31. B connecting casing head; 32. outer sleeve connecting ring; 33. B connecting teeth; 34. connecting outer ring; 35. connecting cylinder. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 The utility model provides a technical solution: a high and low voltage heat shrinkable insulating sleeve, the insulating sleeve comprises an insulating sleeve body 1, an A connecting component 2 and a B connecting component 3, the A connecting component 2 is fixedly arranged at one end of the insulating sleeve body 1, the B connecting component 3 is fixedly arranged at the end of the insulating sleeve body 1 away from the A connecting component 2, the insulating sleeve body 1, the A connecting component 2 and the B connecting component 3 are all hollow structures, the insulating sleeve body 1, the A connecting component 2 and the B connecting component 3 are sleeved on the outside of the cable, the A connecting component 2 and the B connecting component 3 are used to connect the two insulating sleeve bodies 1 to extend the insulating sleeve body The overall length of the body 1 is increased, and one end of the B connecting component 3 is connected to one side of the A connecting component 2, so that the two insulating sleeve main bodies 1 can be spliced ​​end to end. During the end-to-end splicing process, the overall length of the insulating sleeve main body 1 can be extended. In this way, two or more insulating sleeve main bodies 1 can be spliced ​​according to the length of the original damaged part of the wire to repair the original damaged part of the cable. At the same time, the A connecting component 2 and the B connecting component 3 are both made of PVC. When encountering heat, the A connecting component 2 and the B connecting component 3 will shrink and then tightly wrap around the damaged cable position, thereby achieving the purpose of repair.

[0024] The A connection component 2 includes an A connection sleeve head 21 fixed on the end face of the insulating sleeve body 1, an inner contact frame 23 fixed on the inner side of the A connection sleeve head 21, and a docking inner groove 22 provided in the middle position between the inner contact frame 23 and the A connection sleeve head 21. The side wall of the docking inner groove 22 abuts against the end face of the connection outer ring 34. A docking circular groove 25 is provided on the inner side wall of the docking inner groove 22. There are four docking circular grooves 25. The four docking circular grooves 25 are symmetrically structured with the center point of the A connection sleeve head 21. A docking connecting teeth 24 are evenly provided on the inner side wall of the inner contact frame 23. The A docking connecting teeth 24 are provided in a triangular shape.

[0025] The B connection assembly 3 includes a B connection sleeve head 31 fixed on the end face of the insulating sleeve body 1, an outer sleeve connection ring 32 fixed on the inner side wall of the B connection sleeve head 31, and B butt connection teeth 33 evenly fixed on the inner side wall of the outer sleeve connection ring 32. The gap positions between a plurality of B butt connection teeth 33 form a meshing structure with the A butt connection teeth 24. The end face of the B connection sleeve head 31 is fixed with a connection outer ring 34, and the edge position of the connection outer ring 34 is fixed with a connection cylinder 35. The connection cylinder 35 is provided with four groups, and the four groups of connection cylinders 35 are centered at the center of the B connection sleeve head 31. The points are symmetrically structured, the docking cylinder 35 is consistent with the inner diameter of the docking circular groove 25, and one end of the inner side of the docking cylinder 35 is against one end of the inner side of the docking circular groove 25. When the A connecting component 2 spliced ​​on the first group of insulating sleeve main bodies 1 approaches the direction of the B connecting component 3 spliced ​​on the other group of insulating sleeve main bodies 1, the connecting outer ring 34 drives the docking cylinder 35 to be pushed to the inner side of the docking circular groove 25 opened on the inner side of the docking inner groove 22. While pushing forward, the A docking connecting tooth 24 engages with the B docking connecting tooth 33, and the splicing of the two groups of insulating sleeve main bodies 1 is realized during the engagement process.

[0026] Working principle: When the A connection component 2 spliced ​​on the first group of insulating sleeve main bodies 1 approaches the direction of the B connection component 3 spliced ​​on the other group of insulating sleeve main bodies 1, the connection outer ring 34 drives the docking cylinder 35 to push to the inner side of the docking circular groove 25 opened on the inner side of the docking inner groove 22. While pushing, the A docking connecting teeth 24 and the B docking connecting teeth 33 are engaged, and the two groups of insulating sleeve main bodies 1 are spliced ​​in the process of engagement. The insulating sleeve main body 1, the A connection component 2 and the B connection component 3 are all hollow structures. The insulating sleeve main body 1, the A connection component 2 and the B connection component 3 are sleeved on the outside of the cable. The A connection component 2 and the B connection component 3 are used to connect the two The end splicing of the insulating sleeve main body 1 extends the overall length of the insulating sleeve main body 1, and one end of the B connecting component 3 is connected to one side of the A connecting component 2, so that the two insulating sleeve main bodies 1 can be spliced ​​end to end. The overall length of the insulating sleeve main body 1 can be extended during the end-to-end splicing process. In this way, two or more insulating sleeve main bodies 1 can be spliced ​​according to the length of the original damaged part of the wire to repair the original damaged part of the cable. At the same time, the A connecting component 2 and the B connecting component 3 are both made of PVC. When encountering heat, the A connecting component 2 and the B connecting component 3 will shrink, and then tightly wrap around the damaged cable position, thereby achieving the purpose of repair.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high and low voltage heat shrinkable insulating sleeve, characterized in that: The insulating sleeve comprises: Insulating sleeve body (1); A connecting component (2), the A connecting component (2) is fixedly arranged at one end of the insulating sleeve body (1); A B connecting component (3), the B connecting component (3) is fixedly arranged at one end of the insulating sleeve body (1) away from the A connecting component (2), the insulating sleeve body (1), the A connecting component (2) and the B connecting component (3) are all hollow structures, and the A connecting component (2) and the B connecting component (3) are used to connect the two insulating sleeve bodies (1) at the ends to extend the overall length of the insulating sleeve body (1).

2. A high and low voltage heat shrinkable insulating sleeve according to claim 1, characterized in that: The A-joint assembly (2) comprises an A-joint sleeve head (21) fixedly arranged on the end surface of the insulating sleeve body (1), an inner contact frame (23) fixedly arranged on the inner side of the A-joint sleeve head (21), and a butt joint inner groove (22) provided at a middle position between the inner contact frame (23) and the A-joint sleeve head (21).

3. A high and low voltage heat shrinkable insulating sleeve according to claim 2, characterized in that: A docking circular groove (25) is provided on the inner side wall of the docking inner groove (22), and four docking circular grooves (25) are provided. The four docking circular grooves (25) are symmetrically structured with A connecting the center point of the sleeve head (21).

4. A high and low voltage heat shrinkable insulating sleeve according to claim 3, characterized in that: A butt-jointing teeth (24) are evenly arranged on the inner side wall of the inner contact frame (23), and the A butt-jointing teeth (24) are arranged in a triangular shape.

5. The high and low voltage heat shrinkable insulating sleeve according to claim 1, characterized in that: The B connection component (3) comprises a B connection sleeve head (31) fixedly mounted on the end face of the insulating sleeve body (1), an outer sleeve connection ring (32) fixedly mounted on the inner side wall of the B connection sleeve head (31), and B butt-connecting teeth (33) evenly fixedly mounted on the inner side wall of the outer sleeve connection ring (32), wherein the gap positions between a plurality of the B butt-connecting teeth (33) form a meshing structure with the A butt-connecting teeth (24).

6. A high and low voltage heat shrinkable insulating sleeve according to claim 5, characterized in that: The end surface of the B-joining sleeve head (31) is fixedly provided with a joining outer ring (34), and the edge position of the joining outer ring (34) is fixedly provided with a joining cylinder (35). The joining cylinder (35) is provided in four groups, and the four groups of the joining cylinders (35) are symmetrically structured with the center point of the B-joining sleeve head (31).

7. A high and low voltage heat shrinkable insulating sleeve according to claim 6, characterized in that: The inner diameter of the docking cylinder (35) is consistent with that of the docking circular groove (25), and one end of the inner side of the docking cylinder (35) abuts against one end of the inner side of the docking circular groove (25).

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