CN216215813U

CN216215813U - Anti-creeping protection device for building electric power safety wire end

Info

Publication number: CN216215813U
Application number: CN202122694473.4U
Authority: CN
Inventors: 乔峰; 张玉静
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to the technical field of anti-creeping protection, in particular to an anti-creeping protection device for a line head for building electric power safety, which comprises a protective sleeve, wherein the inner wall of the protective sleeve is fixedly connected with an insulating rubber sleeve, the top and the bottom of the insulating rubber sleeve are fixedly connected with the top and the bottom of the inner wall of the protective sleeve, the middle part of the inner wall of the protective sleeve is fixedly connected with an annular air bag, the annular air bag is positioned between the inner wall of the protective sleeve and the outer wall of the insulating rubber sleeve, and the bottom of the protective sleeve is slidably connected with an air cylinder. The utility model has the advantages that: after the end of a thread is inserted into the inner wall of the insulating rubber sleeve, the annular air bag is inflated and pressurized through the air cylinder, the circle center of the annular air bag can be expanded and contracted, the insulating rubber sleeve is compressed at the center, the end of a thread is tightened and embraced, the fixing mode can adapt to electric wire ends of different diameters, the practicability is stronger, the end of a thread is compressed through air pressure, the pressing surface is in flexible contact, and the end of a thread is prevented from being damaged.

Description

Anti-creeping protection device for building electric power safety wire end

Technical Field

The utility model relates to the technical field of anti-creeping protection, in particular to an anti-creeping protection device for a line head for building electric power safety.

Background

During construction, pre-buried lines can be laid in advance in the reserved line pipes, the line heads can stretch out in the line boxes, the exposed line heads need to be wrapped by the anti-creeping protection device, damage and electric leakage of the line heads are prevented, and the current anti-creeping protection device for the line heads for building electric power safety still has the following problems in use:

present building electric power is end of a thread anticreep protection device for safety simple structure uses the rubber sleeve of fixed dimension to entangle the end of a thread to realize the protection mostly, but the rubber sleeve adopts interference fit's mode to be fixed with the end of a thread, its diameter need with end of a thread adaptation, consequently the end of a thread of different diameters just needs the rubber sleeve of different diameters, need carry the rubber sleeve of various diameters when leading to the installation, still need select the installation, and is very inconvenient, influences the installation effectiveness.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, provides a wire end anti-creeping protection device for building electric power safety, and effectively solves the defects of the prior art.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a building is end of a thread anticreep protection device for electric power safety, includes protective case, protective case's inner wall fixedly connected with insulating rubber sleeve, insulating rubber sleeve's top and bottom and protective case inner wall's top and bottom fixed connection, protective case inner wall's middle part fixedly connected with annular gasbag, annular gasbag is located between protective case inner wall and insulating rubber sleeve's the outer wall, annular gasbag cup joints with the middle part of insulating rubber sleeve outer wall, protective case's bottom sliding connection has the inflator, the intercommunicating pore has been seted up to protective case section of thick bamboo wall inside, annular gasbag passes through the intercommunicating pore and is linked together with inflator inside.

Optionally, the bottom fixedly connected with of protective sheath section of thick bamboo outer wall seals the piston, the diameter looks adaptation of the diameter of sealing the piston and the inflator inner wall, the size of inflator open-top and the size looks adaptation of protective sheath section of thick bamboo outer wall, protective sheath passes through the inner wall sliding connection of sealed piston and inflator.

Optionally, the first one-way air valve of fixedly connected with is located at the center of inflator bottom, the bottom of intercommunicating pore runs through protective sleeve bottom surface and the inside intercommunication of inflator, the one-way air valve of bottom fixedly connected with second of intercommunicating pore inner wall, the center department of inflator inner wall is provided with reset spring, reset spring's both ends respectively with inflator inner wall bottom surface and protective sleeve outer wall bottom surface's center department fixed connection, length and the degree of depth looks adaptation of inflator inner wall after reset spring resets to make reset spring can prop up the inflator completely, make it reset completely.

Optionally, the first one-way air valve is opened towards the inside of the air cylinder in one way, and the second one-way air valve is opened towards the inside of the communication hole in one way.

Optionally, the bottom surface fixedly connected with insulating pad of protective sleeve inner wall, the diameter looks adaptation of the diameter of insulating pad and insulating rubber sleeve inner wall bottom, one side fixedly connected with discharge valve of protective sleeve outer wall, discharge valve's position is corresponding with the position of intercommunicating pore, discharge valve's input is linked together with the intercommunicating pore, the middle part fixedly connected with damping circle of insulating rubber sleeve inner wall.

The utility model has the following advantages:

this building is end of a thread anticreep protection device for electric power safety through having set up protective sleeve, its characterized in that: the inner wall of the protective sleeve is fixedly connected with an insulating rubber sleeve, the top and the bottom of the insulating rubber sleeve are fixedly connected with the top and the bottom of the inner wall of the protective sleeve, the middle part of the inner wall of the protective sleeve is fixedly connected with an annular air bag, the annular air bag is positioned between the inner wall of the protective sleeve and the outer wall of the insulating rubber sleeve, the annular air bag is sleeved with the middle part of the outer wall of the insulating rubber sleeve, the bottom of the protective sleeve is slidably connected with an air cylinder, a communication hole is formed in the wall of the protective sleeve, the annular air bag is communicated with the inside of the air cylinder through the communication hole, after a wire end is inserted into the inner wall of the insulating rubber sleeve, the annular air bag is inflated and pressurized through the air cylinder, the circle center of the annular air bag can expand and contract, and the center of the insulating rubber sleeve is compressed, so that the wire end is tightened and clasped, the fixing mode can adapt to wire ends with different diameters, has stronger practicability and is compressed through air pressure, the pressing surfaces are flexibly contacted, and the thread ends are prevented from being damaged.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention.

In the figure: 1-protective sleeve, 2-insulating rubber sleeve, 3-air cylinder, 4-first one-way air valve, 5-annular air bag, 6-communicating hole, 7-sealing piston, 8-return spring, 9-second one-way air valve, 10-insulating pad, 11-damping ring and 12-exhaust valve.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.

As shown in fig. 1 to 3, a thread end anti-leakage protection device for building electric power safety comprises a protection sleeve 1, an insulating rubber sleeve 2 is fixedly connected to the inner wall of the protection sleeve 1, the top and the bottom of the insulating rubber sleeve 2 are fixedly connected with the top and the bottom of the inner wall of the protection sleeve 1, an annular air bag 5 is fixedly connected to the middle of the inner wall of the protection sleeve 1, the annular air bag 5 is located between the inner wall of the protection sleeve 1 and the outer wall of the insulating rubber sleeve 2, the annular air bag 5 is sleeved with the middle of the outer wall of the insulating rubber sleeve 2, an air cylinder 3 is slidably connected to the bottom of the protection sleeve 1, a communication hole 6 is formed in the wall of the protection sleeve 1, and the annular air bag 5 is communicated with the interior of the air cylinder 3 through the communication hole 6.

As an optional technical scheme of the utility model, the bottom of the outer wall of the protective sleeve 1 is fixedly connected with a sealing piston 7, the diameter of the sealing piston 7 is matched with the diameter of the inner wall of the air cylinder 3, the size of the top opening of the air cylinder 3 is matched with the size of the outer wall of the protective sleeve 1, and the protective sleeve 1 is in sliding connection with the inner wall of the air cylinder 3 through the sealing piston 7, so that the gap can be blocked by the sealing piston 7 when the air cylinder 3 slides, and pressure maintaining is realized.

As an optional technical scheme of the utility model, a first one-way air valve 4 is fixedly connected at the center of the bottom of the air cylinder 3, the bottom of the communicating hole 6 penetrates through the bottom surface of the protective sleeve 1 to be communicated with the inside of the air cylinder 3, a second one-way air valve 9 is fixedly connected at the bottom of the inner wall of the communicating hole 6, a return spring 8 is arranged at the center of the inner wall of the air cylinder 3, two ends of the return spring 8 are respectively and fixedly connected with the bottom surface of the inner wall of the air cylinder 3 and the center of the bottom surface of the outer wall of the protective sleeve 1, the length of the return spring 8 after being reset is matched with the depth of the inner wall of the air cylinder 3, the return spring 8 can automatically reset after the air cylinder 3 is squeezed and loosened, next squeezing is prepared, and continuous operation is convenient.

As an optional technical scheme of the utility model, the first one-way air valve 4 is opened towards the interior of the air cylinder 3 in a one-way mode, and the second one-way air valve 9 is opened towards the interior of the communicating hole 6 in a one-way mode, so that when the air cylinder 3 is pushed open, the first one-way air valve 4 opens the second one-way air valve 9 to be closed, air is sucked into the air cylinder 3, and when the air cylinder 3 is extruded, the first one-way air valve 4 closes the second one-way air valve 9 to be opened, so that continuous inflation and pressurization are realized.

As an optional technical scheme of the utility model, the bottom surface of the inner wall of the protective sleeve 1 is fixedly connected with an insulating pad 10, the diameter of the insulating pad 10 is matched with the diameter of the bottom of the inner wall of the insulating rubber sleeve 2, a wire end can be propped against through the insulating pad 10 to prevent the wire end from directly contacting the protective sleeve 1, so that the protection effect is improved, one side of the outer wall of the protective sleeve 1 is fixedly connected with an exhaust valve 12, the exhaust valve can be opened for exhausting through the exhaust valve to release the air pressure of the annular air bag 5, so that the reset is realized, the insulating rubber sleeve 2 loosens the wire end, the position of the exhaust valve 12 corresponds to the position of the communication hole 6, the input end of the exhaust valve 12 is communicated with the communication hole 6, the middle part of the inner wall of the insulating rubber sleeve 2 is fixedly connected with a damping ring 11, and the resistance when the insulating rubber sleeve 2 tightly holds the wire can be increased through the damping ring 11 to prevent the wire from falling off.

The utility model provides a building electric power is end of a thread anticreep protection device for safety, specifically has the following use steps:

1) firstly, inserting a wire end into the inner wall of the insulating rubber sleeve 2;

2) then the air cylinder 3 is extruded to inflate and pressurize the annular air bag 5 to expand and contract the circle center of the annular air bag 5;

3) the center of the annular air bag 5 is contracted, so that the center of the insulating rubber sleeve 2 is compressed, and the wire end is tightened and held;

4) when the cable needs to be taken down, the exhaust valve 12 is opened, the air pressure of the annular air bag 5 is released, and therefore reset is achieved, the insulating rubber sleeve 2 is enabled to loosen the cable head, and the cable head can be taken out.

To sum up, this building is end of a thread anticreep protection device for electric power safety through having set up protective sleeve 1, its characterized in that: the inner wall of the protective sleeve 1 is fixedly connected with an insulating rubber sleeve 2, the top and the bottom of the insulating rubber sleeve 2 are fixedly connected with the top and the bottom of the inner wall of the protective sleeve 1, the middle part of the inner wall of the protective sleeve 1 is fixedly connected with an annular air bag 5, the annular air bag 5 is positioned between the inner wall of the protective sleeve 1 and the outer wall of the insulating rubber sleeve 2, the annular air bag 5 is sleeved with the middle part of the outer wall of the insulating rubber sleeve 2, the bottom of the protective sleeve 1 is slidably connected with an air cylinder 3, a communication hole 6 is formed in the wall of the protective sleeve 1, the annular air bag 5 is communicated with the inside of the air cylinder 3 through the communication hole 6, after a wire head is inserted into the inner wall of the insulating rubber sleeve 2, the annular air bag 5 is inflated and pressurized through the air cylinder 3, the circle center of the annular air bag 5 can be expanded and contracted, the center of the insulating rubber sleeve 2 is compressed, the wire head is tightened and embraced, and the fixing mode can be suitable for wire heads with different diameters, the practicality is stronger, compresses tightly through atmospheric pressure moreover, makes to compress tightly surperficial flexible contact, prevents to damage the end of a thread.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a building electric power is end of a thread anticreep protection device for safety, includes protective sleeve (1), its characterized in that: the inner wall fixedly connected with insulating rubber sleeve (2) of protective sleeve (1), the top and the bottom of insulating rubber sleeve (2) and the top and the bottom fixed connection of protective sleeve (1) inner wall, the middle part fixedly connected with annular gasbag (5) of protective sleeve (1) inner wall, annular gasbag (5) are located between the outer wall of protective sleeve (1) inner wall and insulating rubber sleeve (2), annular gasbag (5) cup joint with the middle part of insulating rubber sleeve (2) outer wall, the bottom sliding connection of protective sleeve (1) has inflator (3), intercommunicating pore (6) have been seted up to protective sleeve (1) section of thick bamboo wall inside, annular gasbag (5) are linked together through intercommunicating pore (6) and inflator (3) inside.

2. The electric leakage prevention protection device for the building electric power safety wire end according to claim 1, characterized in that: the bottom fixedly connected with of protective sleeve (1) outer wall seals piston (7), the diameter of sealing piston (7) and the diameter looks adaptation of inflator (3) inner wall, the size of inflator (3) open-top and the size looks adaptation of protective sleeve (1) outer wall, protective sleeve (1) is through the inner wall sliding connection of sealing piston (7) and inflator (3).

3. The electric leakage prevention protection device for the building electric power safety wire end according to claim 1, characterized in that: the utility model discloses a gas cylinder, including inflator (3), intercommunicating pore (6), protective sleeve (1) bottom surface and inflator (3) inside intercommunication are run through to the center of inflator (3) bottom fixedly connected with first one way air valve (4), the bottom of intercommunicating pore (6) inner wall is run through protective sleeve (1) bottom surface, the bottom fixedly connected with second one way air valve (9) of intercommunicating pore (6) inner wall, the center department of inflator (3) inner wall is provided with reset spring (8), the both ends of reset spring (8) respectively with inflator (3) inner wall bottom surface and protective sleeve (1) outer wall bottom surface center department fixed connection, the length after reset spring (8) reset and the degree of depth looks adaptation of inflator (3) inner wall.

4. The electric leakage prevention protection device for the building electric power safety wire end according to claim 3, characterized in that: the first one-way air valve (4) is opened towards the inside of the air cylinder (3) in a one-way mode, and the second one-way air valve (9) is opened towards the inside of the communicating hole (6) in a one-way mode.

5. The electric leakage prevention protection device for the building electric power safety wire end according to claim 1, characterized in that: the bottom surface fixedly connected with of protective sleeve (1) inner wall fills up (10) with insulating, the diameter of insulating pad (10) and the diameter looks adaptation of insulating rubber sleeve (2) inner wall bottom, one side fixedly connected with discharge valve (12) of protective sleeve (1) outer wall, the position of discharge valve (12) is corresponding with the position of intercommunicating pore (6), the input and intercommunicating pore (6) of discharge valve (12) are linked together, the middle part fixedly connected with damping circle (11) of insulating rubber sleeve (2) inner wall.