CN220457063U

CN220457063U - Sealing joint for electric power calandria

Info

Publication number: CN220457063U
Application number: CN202321887294.5U
Authority: CN
Inventors: 王金卓
Original assignee: Jingguang Construction Group Co ltd
Current assignee: Jingguang Construction Group Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-02-06
Anticipated expiration: 2033-07-18

Abstract

The utility model provides a sealing joint of an electric power calandria, and relates to the technical field of connecting pieces. The power grid sealing joint comprises a sealing joint, wherein the front and rear inner walls of the sealing joint are respectively connected with a second pipe body and a first pipe body, a built-in cavity is formed in the sealing joint, an inner compression-resistant part close to the inner surface of the sealing joint and an outer compression-resistant part arranged outside the inner compression-resistant part are accommodated in the built-in cavity, and the outer compression-resistant part is positioned in a built-in groove; the outer compression-resistant part comprises a first buffer layer, a first cavity, compression-resistant convex strips and a second buffer layer from outside to inside, wherein the first buffer layer is coated on the inner wall of the sealing joint, and the first cavity is formed between the first buffer layer and the second buffer layer. The power grid sealing joint provided by the utility model has the advantages that the compression resistance and the anti-collision performance of the sealing joint can be improved when the sealing joint is used, so that the safety of the sealing joint is improved when the sealing joint is used, and the service life of the sealing joint is prolonged.

Description

Sealing joint for electric power calandria

Technical Field

The utility model relates to the technical field of connecting pieces, in particular to a sealing joint of an electric power calandria.

Background

The electric power calandria is one kind in order to satisfy the requirement that transformer substation's cable business turn over line passageway and overhead line go into ground to for the supporting electric power passageway that provides of line plot power supply, the inner wall is the most outstanding advantage of electric power calandria with little frictional resistance of cable, when carrying out multistage calandria connection, often need use calandria sealing joint.

However, the external environment is complex and changeable, so that the sealing joint is inevitably impacted or extruded by external factors in the using process, the sealing joint is damaged, and the safety of the sealing joint in use is reduced.

Therefore, there is a need to provide a new power grid sealing joint that solves the above-mentioned technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a power grid sealing joint.

The utility model provides a power grid sealing joint which comprises a sealing joint, wherein the front inner wall and the rear inner wall of the sealing joint are respectively connected with a second pipe body and a first pipe body, an internal cavity is formed in the sealing joint, an internal compression-resistant part close to the inner surface of the sealing joint and an external compression-resistant part arranged outside the internal compression-resistant part are accommodated in the internal cavity, and the external compression-resistant part is positioned in an internal groove.

Preferably, the outer compression-resistant part comprises a first buffer layer, a first cavity, compression-resistant raised strips and a second buffer layer from outside to inside, the first buffer layer is coated on the inner wall of the sealing joint, and a first cavity is formed between the first buffer layer and the second buffer layer.

Preferably, the compressive raised lines are transversely distributed in the first cavity, and the compressive raised lines are provided with a plurality of, and a plurality of the compressive raised lines are made of elastic resin.

Preferably, the inner compression-resistant part comprises a second cavity, an anti-collision elastic sheet and a third buffer layer from outside to inside, and a second cavity is formed between the second buffer layer and the third buffer layer.

Preferably, the anti-collision elastic pieces are transversely distributed in the second cavity, a plurality of anti-collision elastic pieces are arranged, and the cross section of each anti-collision elastic piece is in an inverted V shape.

Preferably, the first buffer layer, the first cavity and the third buffer layer are all made of polyurethane materials, and the thicknesses of the first buffer layer, the first cavity and the third buffer layer are all between.

Preferably, the gap between the first cavity and the compression-resistant raised strip and the gap between the second cavity and the anti-collision elastic sheet are both provided with filling layers, and the filling layers are air bag bodies made of silica gel materials.

Compared with the related art, the power grid sealing joint provided by the utility model has the following beneficial effects:

the utility model provides a power grid sealing joint, which is characterized in that a first buffer layer, a second buffer layer and a third buffer layer are respectively coated from inside to outside in the sealing joint, so that the whole compression resistance and anti-collision performance of the sealing joint can be improved; and then the compression resistance and the anti-collision performance of the sealing joint can be improved when the sealing joint is used, so that the safety of the sealing joint when the sealing joint is used is improved, and the service life of the sealing joint is prolonged.

Drawings

FIG. 1 is a schematic view of a power grid seal joint according to a preferred embodiment of the present utility model;

fig. 2 is a schematic cross-sectional elevation view of the sealing joint of fig. 1.

Reference numerals in the drawings: 1. sealing the joint; 2. a first tube body; 3. a second tube body; 4. a built-in cavity; 5. an outer pressure-resistant portion; 51. a first buffer layer; 52. compression-resistant raised strips; 53. a second buffer layer; 54. a first cavity; 6. an inner pressure-resistant portion; 61. a second cavity; 62. an anti-collision spring plate; 63. a third buffer layer; 7. and (5) a filling layer.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1 to 2 in combination, a power grid sealing joint includes a sealing joint 1, the front and rear inner walls of the sealing joint 1 are respectively connected with a second pipe body 3 and a first pipe body 2, a built-in cavity 4 is formed in the sealing joint 1, an inner compression-resistant portion 6 close to the inner surface of the sealing joint 1 and an outer compression-resistant portion 5 arranged outside the inner compression-resistant portion 6 are accommodated in the built-in cavity 4, and the outer compression-resistant portion 5 is located in a built-in groove.

When the sealing joint 1 is impacted or extruded by external factors in use, the inner compression-resistant part 6 and the outer compression-resistant part 5 can play a role in buffering and compression resistance, so that the compression resistance and the anti-collision performance of the sealing joint 1 in use can be improved, the safety of the sealing joint 1 in use is improved, and the service life of the sealing joint 1 is prolonged.

In the implementation process, as shown in fig. 1 and 2, the outer compression-resistant portion 5 includes, from outside to inside, a first buffer layer 51, a first cavity 54, compression-resistant raised strips 52, and a second buffer layer 53, where the first buffer layer 51 is wrapped on the inner wall of the sealing joint 1, a first cavity 54 is formed between the first buffer layer 51 and the second buffer layer 53, the compression-resistant raised strips 52 are laterally distributed in the first cavity 54, and the compression-resistant raised strips 52 are provided with a plurality of compression-resistant raised strips.

When in use, the compressive property of the sealing joint 1 in use can be improved through the first buffer layer 51 and the second buffer layer 53, and then the compressive convex strips 52 made of elastic resin are installed in the first cavity 54, so that the structure inside the sealing joint 1 can be enhanced, the firmness inside the sealing joint 1 can be improved, and the external pressure can be resisted.

Referring to fig. 1 and 2, the inner compression-resistant portion 6 includes, from outside to inside, a second cavity 61, an anti-collision elastic sheet 62, and a third buffer layer 63, where the second cavity 61 is formed between the second buffer layer 53 and the third buffer layer 63, the anti-collision elastic sheet 62 is laterally distributed in the second cavity 61, and the anti-collision elastic sheet 62 is provided with a plurality of anti-collision elastic sheets 62, and the cross section of the anti-collision elastic sheet 62 is in an inverted V shape.

When in use, the anti-collision elastic sheet 62 is arranged in the second cavity 61, and when an external object collides with the sealing joint 1, the anti-collision elastic sheet 62 can buffer through the elastic acting force of the anti-collision elastic sheet 62, so that the sealing joint 1 can quickly recover the initial state, and the anti-collision buffer performance of the sealing joint 1 is improved.

Referring to fig. 1 and 2, the first buffer layer 51, the first cavity 54 and the third buffer layer 63 are made of polyurethane materials, and the thicknesses of the first buffer layer 51, the first cavity 54 and the third buffer layer 63 are all 0.001-0.01 mm.

When in use, the polyurethane material has good elasticity and heat insulation, so that the compression resistance of the sealing joint 1 can be further improved when the sealing joint is impacted.

Referring to fig. 2, a filling layer 7 is disposed at the gap between the first cavity 54 and the compression-resistant protruding strip 52 and the gap between the second cavity 61 and the anti-collision elastic strip 62, and the filling layer 7 is an air bag made of silica gel.

When the sealing joint is used, the air bag body made of the silica gel material has a good buffering effect, so that the sealing joint 1 can quickly recover the initial state when being impacted or extruded by external force, and the compression resistance and the anti-collision performance of the sealing joint 1 are further improved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a power calandria sealing joint, includes sealing joint (1), inner wall is connected with second body (3) and first body (2) respectively around sealing joint (1), its characterized in that, the inside of sealing joint (1) is formed with built-in chamber (4), the interior receipts of built-in chamber (4) have be close to interior compressive part (6) of sealing joint (1) internal surface, with set up including the outside outer compressive part (5) of compressive part (6), outer compressive part (5) are in the inside of built-in groove.

2. The power grid sealing joint according to claim 1, wherein the outer pressure-resistant part (5) comprises a first buffer layer (51), a first cavity (54), pressure-resistant raised strips (52) and a second buffer layer (53) from outside to inside, the first buffer layer (51) is coated on the inner wall of the sealing joint (1), and a first cavity (54) is formed between the first buffer layer (51) and the second buffer layer (53).

3. The power grid sealing joint according to claim 2, wherein the compression-resistant raised strips (52) are transversely distributed in the first cavity (54), and the compression-resistant raised strips (52) are provided with a plurality of compression-resistant raised strips (52) which are made of elastic resin.

4. The power grid sealing joint according to claim 2, wherein the inner compression-resistant part (6) comprises a second cavity (61), an anti-collision spring piece (62) and a third buffer layer (63) from outside to inside, and the second cavity (61) is formed between the second buffer layer (53) and the third buffer layer (63).

5. The power grid sealing joint according to claim 4, wherein the anti-collision elastic pieces (62) are transversely distributed in the second cavity (61), the anti-collision elastic pieces (62) are arranged in a plurality, and the cross section of each anti-collision elastic piece (62) is in an inverted V shape.

6. The power grid sealing joint according to claim 2, wherein the first buffer layer (51), the first cavity (54) and the third buffer layer (63) are made of polyurethane materials, and the thicknesses of the first buffer layer (51), the first cavity (54) and the third buffer layer (63) are all 0.001-0.01 mm.

7. The power grid sealing joint according to claim 2, wherein a filling layer (7) is arranged at the gap between the first cavity (54) and the compression-resistant raised strip (52) and the gap between the second cavity (61) and the anti-collision elastic sheet (62), and the filling layer (7) is an air bag body made of silica gel.