Insulation jumper wire pipe

Abstract

The utility model relates to the technical field of electric power construction insulation tools, and particularly discloses an insulation jumper wire pipe, which comprises a head end insulation pipe, a middle adjusting pipe and a tail end wire wrapping pipe, external threads are integrally formed on the surfaces of the outer walls of the head end insulation pipe and the tail end wire wrapping pipe, and internal threads are arranged in the tail end wire wrapping pipe. A first pressing strip is arranged at the upper end of the notch in the side face of the middle adjusting pipe, a second pressing strip is arranged at the lower end of the notch, clamping strips are fixedly arranged on the upper end faces of the openings in the side faces of the head end insulating pipe and the tail end wire wrapping pipe, and clamping grooves consistent with the clamping strips in shape are formed in the lower end faces of the openings. According to the technical scheme of the utility model, the middle adjusting tube is used as a basis for adjusting the head end insulating tube and the tail end wire wrapping tube, and the extension lengths of the head end insulating tube and the tail end wire wrapping tube can be adjusted within the allowable length range of the middle adjusting tube, so that adjustment can be carried out according to the field insulation protection range; the problem that the length of an existing insulation jumper wire pipe cannot be adjusted, field cutting adaptation is needed, and follow-up reutilization cannot be achieved is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating tools for electric power construction, in particular to an insulating jumper tube. Background Art

[0002] In the power system, rubber insulating jumper tubes are widely used in high-voltage transmission lines, substations and other power equipment. They can effectively prevent leakage, short circuit and other faults at line joints, and can improve the reliability and safety of the power system. At the same time, rubber insulating jumper tubes also have the advantages of easy installation and convenient maintenance, and have a long service life. Therefore, they have been used more and more widely. The current insulating jumper tubes are integrated and have limited length dimensions. Although there are many sizes, the on-site construction requirements do not all meet the design size. Therefore, there will be multiple sets of one tube body or the tube body will be cut, resulting in a waste of resources. The insulating jumper tube is required to have a length adjustment function within a certain size range. Therefore, we propose an insulating jumper tube. Utility Model Content

[0003] The utility model aims to provide an insulating jumper tube, which solves the problems raised in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an insulating jumper tube, comprising a head-end insulating tube, an intermediate adjusting tube and a tail-end wire-wrapping tube, the outer wall surfaces of the head-end insulating tube and the tail-end wire-wrapping tube are both integrally formed with external threads, the interior of the intermediate adjusting tube is provided with internal threads meshing with the external threads of the head-end insulating tube and the tail-end wire-wrapping tube, a notch is provided on the side of the intermediate adjusting tube, a pressure strip 1 is provided at the upper end of the notch, a pressure strip 2 is provided at the lower end of the notch, the pressure strip 1 is clamped on top of the pressure strip 2, the side surfaces of the head-end insulating tube and the tail-end wire-wrapping tube are both provided with openings for accommodating the entry of wires, a clamping strip is fixedly provided on the upper end surface of the opening, and a clamping groove consistent with the shape of the clamping strip is provided on the lower end surface of the opening.

[0005] As a preferred implementation of the technical solution of the present application, a plurality of columns are fixedly arranged on the bottom surface of the first layer, a convex head is fixedly arranged on the bottom of each column, and a through hole is opened on the second surface of the layer to be vertically aligned with the column.

[0006] As a preferred implementation of the technical solution of the present application, the diameter of the through hole is consistent with the diameter of the column, the end of the convex head is mushroom-shaped, and the maximum diameter of the convex head is 2 mm larger than the diameter of the through hole.

[0007] As a preferred implementation of the technical solution of the present application, the cross-section of the clamping strip is circular, and a groove recessed inward is provided on the clamping strip close to the upper end surface of the opening.

[0008] As a preferred implementation of the technical solution of the present application, a polished rod sleeve is coaxially arranged at one end of the head end insulating tube away from the middle adjusting tube, and the polished rod sleeve has an opening 2 horizontally aligned with the opening of the head end insulating tube.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] 1. The technical solution of the present application uses an intermediate adjustment tube as the basis for adjusting the head-end insulating tube and the tail-end wire wrapping tube. The extension length of the head-end insulating tube and the tail-end wire wrapping tube can be adjusted within the allowable range of the intermediate adjustment tube length, thereby adjusting according to the range of on-site insulation protection, solving the problem that the length of the existing insulating jumper tube cannot be adjusted and needs to be cut on-site to adapt, resulting in the inability to be reused later.

[0011] 2. The technical solution of the present application achieves interference fit between the convex head of strip one and the through hole of strip two, so that the middle adjustment tube can maintain a stable structure after wrapping the wire, providing a basis for stable adjustment of the head-end insulating tube and the tail-end wire wrapping tube. After wrapping the wire, the head-end insulating tube and the tail-end wire wrapping tube improve the sealing of the opening by inserting the card strip into the card groove, thereby improving the safety of the wire insulation wrapping. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 This is a three-dimensional diagram of an insulating jumper tube of the utility model;

[0014] Figure 2 This is a rear view of an insulating jumper tube of the utility model;

[0015] Figure 3 It is a side view of the tail end wire wrapping tube;

[0016] Figure 4 It is a side view of the middle adjustment tube.

[0017] In the figure: 1, head end insulating tube; 101, bare rod sleeve; 2, middle adjustment tube; 201, pressure strip 1; 202, pressure strip 2; 203, column strip; 204, convex head; 205, through hole; 3, tail end wire wrapping tube; 301, clamping strip; 302, clamping groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Embodiment 1, as Figure 1-4 As shown, the utility model provides a technical solution: an insulating jumper tube, comprising a head end insulating tube 1, an intermediate adjusting tube 2 and a tail end wire wrapping tube 3, the outer wall surfaces of the head end insulating tube 1 and the tail end wire wrapping tube 3 are both integrally formed with external threads, the interior of the intermediate adjusting tube 2 is provided with internal threads meshing with the external threads of the head end insulating tube 1 and the external threads of the tail end wire wrapping tube 3, a notch is provided on the side of the intermediate adjusting tube 2, a pressure strip 1 201 is provided at the upper end of the notch, a pressure strip 202 is provided at the lower end of the notch, the pressure strip 1 201 is clamped on top of the pressure strip 202, the side surfaces of the head end insulating tube 1 and the tail end wire wrapping tube 3 are both provided with openings for accommodating the entry of wires, the upper end surface of the opening is fixedly provided with a clamping strip 301, and the lower end surface of the opening is provided with a clamping groove 302 with the same shape as the clamping strip 301.

[0020] In a specific embodiment of the utility model, the head end insulating tube 1 and the tail end wire wrapping tube 3 are divided into two layers, the inner layer is a high elastic rubber, the outer layer is an elastic plastic layer (made of PVC mixed with chlorinated polyethylene rubber, adding plasticizers, etc.), the middle adjustment tube 2 is made of the same material as the elastic plastic layer, the card strip 301 and the card slot 302 are located at the inner layer gap of the head end insulating tube 1 and the tail end wire wrapping tube 3, and the wire part that needs to be insulated and shielded is passed through the light rod sleeve 101, the head end insulating tube 1, and the middle adjustment tube 2. The adjusting tube 2 and the tail end wire wrapping tube 3 are then snapped into place with the clamping strip 301 and the clamping groove 302, the pressure strip 1 201 and the pressure strip 202 are pressed tightly, and the protrusion 204 passes through the through hole 205 and then the protrusion 204 is snapped into place at the bottom end of the through hole 205. At this time, the notches and openings of the bare rod sleeve 101, the head end insulating tube 1, the middle adjusting tube 2 and the tail end wire wrapping tube 3 are all closed, thereby greatly improving the sealing performance and ultimately improving the safety of the wire insulation wrapping. At the same time, the buckle sealing structure does not affect the subsequent disassembly convenience.

[0021] In the preferred technical solution, a plurality of columns 203 are fixedly provided on the bottom surface of the layering strip 1 201, and a protrusion 204 is fixedly provided on the bottom of each column 203. A through hole 205 vertically aligned with the column 203 is opened on the surface of the layering strip 202. The diameter of the through hole 205 is consistent with the diameter of the column 203. The end of the protrusion 204 is mushroom-shaped, and the maximum diameter of the protrusion 204 is 2 mm larger than the diameter of the through hole 205. The layering strip 1 201 is pressed tightly against the layering strip 2 202, and after the protrusion 204 passes through the through hole 205, the protrusion 204 is clamped at the bottom end of the through hole 205, so that the layering strip 1 201 and the layering strip 2 202 are connected and fastened.

[0022] In the preferred technical solution, the cross section of the card strip 301 is circular, and a groove concave inward is provided at the card strip 301 close to the upper end surface of the opening. After the card strip 301 is inserted into the card slot 302, the card strip 301 is engaged with the card protrusion at the upper end of the card slot 302 (such as Figure 3 As shown), the stability of the connection between the card strip 301 and the card slot 302 is improved and the sealing is improved.

[0023] In the preferred technical solution, a light rod sleeve 101 is coaxially arranged at one end of the head end insulating tube 1 away from the middle adjusting tube 2. The light rod sleeve 101 has an opening 2 horizontally aligned with the opening of the head end insulating tube 1. The light rod sleeve 101 is a smooth tube body, soft and flexible, and can adapt to various bending and installation requirements. It can easily pass through complex routes and narrow spaces between equipment.

[0024] Working principle: The wire is wrapped in the bare rod cover 101, the head end insulating tube 1, the middle adjusting tube 2 and the tail end wire wrapping tube 3, and then the notches and openings of the bare rod cover 101, the head end insulating tube 1, the middle adjusting tube 2 and the tail end wire wrapping tube 3 are closed. By pinching the middle adjusting tube 2 and rotating the head end insulating tube 1 or the tail end wire wrapping tube 3, the protruding length of the head end insulating tube 1 and the tail end wire wrapping tube 3 can be adjusted, which is conducive to adjusting the insulation shielding length according to on-site needs.

Claims

1. An insulating jumper tube, characterized in that: The invention comprises a head end insulating tube (1), an intermediate adjustment tube (2) and a tail end wire wrapping tube (3), wherein the outer wall surfaces of the head end insulating tube (1) and the tail end wire wrapping tube (3) are integrally formed with external threads, the interior of the intermediate adjustment tube (2) is provided with internal threads meshing with the external threads of the head end insulating tube (1) and the external threads of the tail end wire wrapping tube (3), a notch is provided on the side surface of the intermediate adjustment tube (2), a first pressure strip (201) is provided at the upper end of the notch, a second pressure strip (202) is provided at the lower end of the notch, the first pressure strip (201) is clamped on the top of the second pressure strip (202), the side surfaces of the head end insulating tube (1) and the tail end wire wrapping tube (3) are provided with openings for accommodating the entry of wires, a clamping strip (301) is fixedly provided on the upper end surface of the opening, and a clamping groove (302) having the same shape as the clamping strip (301) is provided on the lower end surface of the opening.

2. The insulating jumper tube according to claim 1, characterized in that: A plurality of columns (203) are fixedly arranged on the bottom surface of the first layer (201), and a convex head (204) is fixedly arranged on the bottom of each column (203). A through hole (205) vertically aligned with the column (203) is opened on the surface of the second layer (202).

3. The insulating jumper tube according to claim 2, characterized in that: The diameter of the through hole (205) is consistent with the diameter of the column (203); the end of the protrusion (204) is mushroom-shaped; and the maximum diameter of the protrusion (204) is 2 mm larger than the diameter of the through hole (205).

4. The insulating jumper tube according to claim 1, characterized in that: The cross section of the clamping strip (301) is circular, and the clamping strip (301) is provided with a groove recessed inwards close to the upper end surface of the opening.

5. The insulating jumper tube according to claim 1, characterized in that: A polished rod sleeve (101) is coaxially arranged at one end of the head end insulating tube (1) away from the intermediate adjustment tube (2), and the polished rod sleeve (101) is provided with a second opening horizontally aligned with the opening of the head end insulating tube (1).

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