Insulation protective sleeve for electric power circuit

Abstract

The utility model belongs to the technical field of protective sleeves, and particularly relates to an electric power line insulation protective sleeve, which comprises an insulation sleeve, annular grooves are symmetrically arranged in the insulation sleeve, sealing rings are arranged in the annular grooves and are hollow, a communicating pipe is arranged in the insulation sleeve, one end of the communicating pipe is communicated with the sealing rings, and the other end of the communicating pipe is communicated with the sealing rings. A connecting assembly is arranged in the insulating sleeve, the connecting assembly is communicated with the communicating pipe, and a protection assembly is arranged on the insulating sleeve. The sealing performance of the two ends of the electric power circuit insulation protective sleeve can be improved through the installed sealing rings, the protection effect is improved, after the insulation sleeve is arranged on a circuit, an operator is connected with the output end of an external inflation assembly through the connecting pipe, the inflation assembly moves to generate air pressure, the air pressure enters the communicating pipe, the sealing rings are expanded, and the sealing effect is improved. And the gap between the line and the insulation sleeve is sealed and protected, so that the electric power line insulation protection sleeve is used for sealing and protecting the connecting line.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective sleeve, specifically is a power line insulation protective sleeve. BACKGROUND

[0002] The power line insulation protective sleeve is mainly used for protecting power conductor, ensuring safe and stable power transmission, preventing current leakage, avoiding electric shock accident, protecting equipment and personal safety, enhancing the durability of line, resisting the corrosion of moisture, chemical substances and the like to power line, prolonging the service life of equipment, being able to resist high temperature environment, and ensuring safe operation under extreme conditions.

[0003] However, the existing power line insulation protective sleeve is not convenient for sealing and protecting both ends of the protective sleeve when in use, and when in a humid environment, moisture can easily penetrate into the inside of the protective sleeve, which may affect the protection effect of the power line.

[0004] The patent document CN211089064U discloses an insulation material protective sleeve, which comprises an arc-shaped insulation shell body, a left connecting body, a right connecting body and a suspension body arranged on the insulation shell body. The left connecting body is provided with a male buckle near the right connecting body, the right connecting body is provided with a female buckle near the left connecting body, and the suspension body comprises a hanging ring and a hook arranged on the top of the hanging ring. Compared with the prior art, the insulation material protective sleeve can wrap the overhead bare conductor, and the male buckle on the left connecting body and the female buckle on the right connecting body are connected by buckling, so that the insulation material protective sleeve is integrated with the overhead bare conductor, which is convenient to use and can prevent the overhead bare conductor from aging or causing electric shock accident. Meanwhile, the hanging ring of the suspension body can be penetrated by a load-bearing steel wire rope, or the hook can be hung on the load-bearing steel wire rope, which is flexible to use. However, the insulation material protective sleeve disclosed in the above-mentioned document mainly considers that the insulation material protective sleeve is integrated with the overhead bare conductor, which is convenient to use, and does not consider the sealing and protection of both ends of the protective sleeve. Therefore, it is necessary to research a power line insulation protective sleeve. SUMMARY

[0005] The utility model aims at providing a power line insulation protective sleeve to solve the technical problem of improving the sealing performance of both ends of the protective sleeve in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a power line insulation protective sleeve, comprising an insulation sleeve, wherein a ring groove is symmetrically arranged inside the insulation sleeve, a sealing ring is arranged inside the ring groove, the sealing ring is hollow, a communication pipe is arranged inside the insulation sleeve, one end of the communication pipe is in communication with the sealing ring, a connecting assembly is arranged inside the insulation sleeve, the connecting assembly is in communication with the communication pipe, and a protection assembly is arranged on the insulation sleeve.

[0007] Preferably, the connecting assembly comprises a connecting pipe and a sealing cover, the connecting pipe is fixedly installed on the insulation sleeve, and the end of the communicating pipe away from the sealing ring is connected with the connecting pipe, the sealing cover is screwed on the connecting pipe, and the connecting pipe is internally provided with an opening and closing assembly.

[0008] Preferably, the opening and closing assembly comprises a spherical valve core and a driving shaft, the spherical valve core is rotatably installed in the connecting pipe, the driving shaft is rotatably arranged on the connecting pipe, and one end of the driving shaft is fixedly connected with the spherical valve core, and the other end of the driving shaft is provided with a cross groove.

[0009] Preferably, the sealing ring is made of rubber.

[0010] Preferably, the protection assembly comprises a supporting ring and a buffer block, the supporting ring is arranged in the insulation sleeve in an array, and the buffer block is fixedly installed in the supporting ring.

[0011] Preferably, the buffer block is made of foam material and used for buffering the impact force.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The sealing ring can improve the sealing performance of the two ends of the power line insulation protection sleeve, improve the protection effect, and the insulation sleeve is arranged on the line, the operating personnel connects the connecting pipe with the output end of the external inflation assembly, the inflation assembly moves to generate air pressure, enters the communicating pipe, passes through the communicating pipe, and makes the air pressure enter the sealing ring, so that the sealing ring expands in volume, seals and protects the gap between the line and the insulation sleeve, thereby realizing the sealing protection of the power line insulation protection sleeve on the connecting line, avoiding the penetration of external impurities into the line connection, thereby ensuring the reliability of the line connection, and improving the practicability of the power line insulation protection sleeve.

[0014] 2. The supporting ring can improve the protection performance of the power line insulation protection sleeve, the supporting ring is made of hard material and can protect the insulation sleeve, avoid accidental deformation of the insulation sleeve, and damage the internally protected line, the buffer block is made of foam material and used for buffering the impact force, thereby improving the protection performance of the power line insulation protection sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is an insulation sleeve structure schematic view of the utility model;

[0017] Figure 3 It is a connecting pipe structure schematic view of the utility model;

[0018] Figure 4 The supporting ring structure of the utility model is shown in the figure.

[0019] In the figure: 1, insulating sleeve; 2, annular groove; 3, sealing ring; 4, communication pipe; 5, connecting pipe; 6, sealing cover; 7, spherical valve core; 8, drive shaft; 9, supporting ring; 10, buffer block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1 to 4 A power line insulation protection sleeve, comprising an insulating sleeve 1, the insulating sleeve 1 is internally provided with an annular groove 2, the annular groove 2 is internally provided with a sealing ring 3, and the sealing ring 3 is hollow, the insulating sleeve 1 is internally provided with a communication pipe 4, and the communication pipe 4 is communicated with the sealing ring 3 at one end, the insulating sleeve 1 is internally provided with a connecting assembly, and the connecting assembly is communicated with the communication pipe 4, the insulating sleeve 1 is provided with a protection assembly, the insulating sleeve 1 is made of polyvinyl chloride material, has good insulation performance, water resistance and chemical corrosion resistance, and has relatively low cost, is used for insulation and protection of low-voltage cables, when the power line insulation protection sleeve is used to protect the connecting line, after the line is connected, the insulating sleeve 1 is sleeved on the line, after the external operator connects the inflation device with the connecting assembly, air pressure is generated and enters the communication pipe 4, through the communication pipe 4, the air pressure enters the sealing ring 3, and then the sealing ring 3 expands in volume, thereby sealing and protecting the gap between the line and the insulating sleeve 1, so that the power line insulation protection sleeve seals and protects the connecting line, external impurities are prevented from penetrating into the line connection, thereby ensuring the reliability of the line connection, and the practicability of the power line insulation protection sleeve is improved.

[0022] Please refer to Figure 1 And Figure 2 The connecting assembly comprises a connecting pipe 5 and a sealing cover 6, the connecting pipe 5 is fixedly installed on the insulating sleeve 1, and the end, away from the sealing ring 3, of the communication pipe 4 is communicated with the connecting pipe 5, the sealing cover 6 is threadedly connected to the connecting pipe 5, the connecting pipe 5 is internally provided with an opening and closing assembly, the top of the connecting pipe 5 can be sealed and protected through the sealing cover 6, the connecting pipe 5 is connected with the output end of the external inflation assembly, and the opening and closing state of the connecting pipe 5 can be controlled through the opening and closing assembly.

[0023] Please refer to Figure 2 And Figure 3The opening and closing assembly comprises a spherical valve core 7 and a driving shaft 8, the spherical valve core 7 is rotatably installed in the connecting pipe 5, the driving shaft 8 is rotatably arranged on the connecting pipe 5, and one end of the driving shaft 8 is fixedly connected with the spherical valve core 7, and the other end of the driving shaft 8 is provided with a cross groove, a screwdriver is used to be clamped with the cross groove on the driving shaft 8, so that the driving shaft 8 can be rotated, the position of the spherical valve core 7 can be adjusted through the driving shaft 8, and then the opening and closing state of the connecting pipe 5 can be controlled through the spherical valve core 7.

[0024] Please refer to Figure 1 The sealing ring 3 is made of rubber material, so that the sealing ring 3 has extensibility, and the expansion seals and protects the two ends of the insulating sleeve 1.

[0025] Please refer to Figure 1 and Figure 2 The protection assembly comprises a supporting ring 9 and a buffer block 10, the supporting ring 9 is arranged in the insulating sleeve 1, the buffer block 10 is fixedly installed in the supporting ring 9, the supporting ring 9 is made of hard material, can protect the insulating sleeve 1, avoid the insulating sleeve 1 from being deformed accidentally, and damage the protected line inside, the buffer block 10 is made of foam material and is used for buffering the impact force, and the protection property of the power line insulation protection sleeve is improved.

[0026] The working principle is that when the power line insulation protection sleeve is used to protect the connecting line, after the line is connected, the insulating sleeve 1 is arranged on the line, then the operating personnel connects the connecting pipe 5 with the output end of the external inflation assembly, the inflation assembly moves to generate air pressure, enters the communicating pipe 4, and then the air pressure enters the sealing ring 3, so that the sealing ring 3 expands in volume, seals and protects the gap between the line and the insulating sleeve 1, so that the power line insulation protection sleeve seals and protects the connecting line, avoids external impurities from penetrating into the line connection, ensures the reliability of the line connection, improves the practicability of the power line insulation protection sleeve, makes the driving shaft 8 rotate, adjusts the position of the spherical valve core 7 through the driving shaft 8, controls the opening and closing state of the connecting pipe 5 through the spherical valve core 7, makes the connecting pipe 5 closed, avoids the air pressure in the sealing ring 3 from flowing back, the supporting ring 9 is made of hard material and can protect the insulating sleeve 1, avoid the insulating sleeve 1 from being deformed accidentally, and damage the protected line inside, the buffer block 10 is made of foam material and is used for buffering the impact force, and the protection property of the power line insulation protection sleeve is improved.

[0027] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An electrical line insulation protection sleeve comprising an insulation sleeve (1), characterized in that: The annular groove (2) is symmetrically arranged inside the insulating sleeve (1), the sealing ring (3) is arranged inside the annular groove (2), the sealing ring (3) is hollow, the communicating pipe (4) is arranged inside the insulating sleeve (1), one end of the communicating pipe (4) is communicated with the sealing ring (3), the connecting assembly is arranged inside the insulating sleeve (1) and communicated with the communicating pipe (4), and the protection assembly is arranged on the insulating sleeve (1).

2. An electrical line insulating boot according to claim 1, characterized in that: The connecting assembly comprises a connecting pipe (5) and a sealing cover (6), the connecting pipe (5) is fixedly installed on the insulating sleeve (1), one end of the communicating pipe (4) away from the sealing ring (3) is communicated with the connecting pipe (5), and the sealing cover (6) is screwed on the connecting pipe (5).

3. An electrical line insulating boot according to claim 2, characterised in that: The opening and closing assembly comprises a spherical valve core (7) and a driving shaft (8), the spherical valve core (7) is rotatably installed inside the connecting pipe (5), the driving shaft (8) is rotatably arranged on the connecting pipe (5), one end of the driving shaft (8) is fixedly connected with the spherical valve core (7), and the other end of the driving shaft (8) is provided with a cross groove.

4. An electrical line insulating boot according to claim 1, wherein: The sealing ring (3) is made of rubber.

5. An electrical line insulating boot according to claim 4, characterised in that: The protection assembly comprises a supporting ring (9) and a buffer block (10), the supporting ring (9) is arranged in an array inside the insulating sleeve (1), and the buffer block (10) is fixedly installed inside the supporting ring (9).

6. An electrical line insulating boot according to claim 5, characterised in that: The buffer block (10) is made of foam material and is used for buffering the impact force.

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