CN215600960U

CN215600960U - Modified polypropylene cable protection pipe convenient to dismouting

Info

Publication number: CN215600960U
Application number: CN202122177055.8U
Authority: CN
Inventors: 戴天文; 何君; 何英
Original assignee: Anhui Guotiancheng Technology Co ltd
Current assignee: Anhui Guotiancheng Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-21
Anticipated expiration: 2031-09-09

Abstract

The utility model relates to the technical field of pipeline joints, in particular to a modified polypropylene cable protection pipe convenient to disassemble and assemble, which comprises a first support ring, a cylinder, a second support plate, an annular block and a second support ring; the first support ring is arranged on the outer peripheral wall of the first pipe body, and a first annular groove and a second annular groove are formed in two side faces of the first support ring; the left end of the cylinder body is inserted into the first annular groove, and a plurality of groups of first supporting plates are arranged on the left end surface of the cylinder body; the second supporting plate is rotatably arranged at the left end of the first supporting plate and is attached to the left end face of the first supporting ring; the annular block is inserted into the second annular groove, and the inner periphery of the first annular sealing ring is respectively attached to the elastic sealing gasket and the inner peripheral wall of the cylinder in an extruding way; the second support ring is arranged at the end part of the second pipe body and is detachably connected with the barrel. In the utility model, when the sealing problem occurs at the joint, the whole joint device does not need to be replaced like a flange, and the joint device is convenient to use and later maintenance.

Description

Modified polypropylene cable protection pipe convenient to dismouting

Technical Field

The utility model relates to the technical field of pipeline joints, in particular to a modified polypropylene cable protection pipe convenient to disassemble and assemble.

Background

The trenchless modified polypropylene protection tube for the power cable is a novel plastic pipeline which is made by adopting a special formula and a processing technology, has high strength and good high-temperature resistance, the trenchless modified polypropylene protection tube is widely used as a protection tube for the power cable and the communication cable, the cable protection tube needs multi-section mutual splicing and assembling in the using process, the existing assembling mode is mostly in the forms of hot welding, flanges and the like, the hot welding is difficult to disassemble, the later management is not facilitated, the gap corrosion between two flange surfaces of the flanges and the galvanic corrosion between different metals are caused, the integrity of a channel system can be seriously damaged, external liquid can enter the cable protection tube possibly, the cable is damaged, the flange surfaces are damaged, the whole flanges must be replaced, and the later maintenance is not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a modified polypropylene cable protection pipe convenient to disassemble and assemble, aiming at the problems that a cable protection pipe in the background technology is troublesome in connecting joint and inconvenient to disassemble and maintain in the later period.

The technical scheme of the utility model is as follows: a modified polypropylene cable protection pipe convenient to disassemble and assemble comprises a first pipe body, a second pipe body, a first supporting ring, a cylinder body, a second supporting plate, an annular block, a first annular sealing ring and a second supporting ring;

the first support ring is arranged on the outer peripheral wall of the end part of the first pipe body, a first annular groove is formed in the end face, facing the second pipe body, of the first support ring, a first annular inclined surface is formed in the inner peripheral wall of the first annular groove, the diameter of the first annular inclined surface is linearly reduced in the direction facing the second pipe body, a second annular groove is formed in the end face, facing away from the second pipe body, of the first support ring, a second annular inclined surface is formed in the top groove wall of the second annular groove, the diameter of the second annular inclined surface is linearly reduced in the direction facing the second pipe body, the second annular groove is located on the inner side of the first annular groove, and an annular communicating groove is formed between the second annular groove and the first annular groove; the left end of the cylinder body is inserted into the first annular groove, a plurality of groups of first supporting plates are arranged on the left end surface of the cylinder body, and the first supporting plates penetrate through square holes formed in the bottom of the first annular groove and extend into the left side of the first supporting ring; the second supporting plate is rotatably arranged at the left end of the first supporting plate, the second supporting plate is attached to the left end face of the first supporting ring, the second supporting plate is detachably connected with the first supporting ring, and a plurality of groups of second supporting plates are arranged; the annular block is inserted into the second annular groove in a matching manner, an elastic sealing gasket is arranged on the outer peripheral surface of the annular block, the elastic sealing gasket is extruded and attached to the second annular inclined surface, and the annular block is attached to the second supporting plate; the first annular sealing ring is placed in the annular communication groove, and the inner periphery and the outer periphery of the first annular sealing ring are respectively attached to the elastic sealing gasket and the inner peripheral wall of the cylinder in an extruding manner; the second support ring is arranged at the end part of the second pipe body, the second support ring is detachably connected with the second pipe body, and the second support ring is detachably connected with the barrel.

Preferably, the first support plates are arranged in four groups, the four groups of first support plates are uniformly distributed along the circumference by taking the axis of the first support ring as the center, and the four groups of second support plates are correspondingly arranged.

Preferably, the second support plate and the first support ring are provided with threaded holes matched with the bolts, and the second support plate and the first support ring are connected through the bolts.

Preferably, the annular block is an elastic rubber block.

Preferably, a third annular groove is formed in the end face, facing the cylinder, of the second support ring, a second annular sealing ring is arranged at the bottom of the third annular groove, threads matched with each other are arranged on the outer peripheral wall of the right side of the cylinder and the outer peripheral wall of the third annular groove, and the right end of the cylinder is attached to the second annular sealing ring in an extruding mode.

Preferably, the second support ring is provided with a fourth annular groove on the end face facing the second pipe body, a third annular sealing ring is arranged at the bottom of the fourth annular groove, threads matched with each other are arranged on the outer peripheral wall of the left side of the second pipe body and the outer peripheral wall of the fourth annular groove, and the end part of the left side of the second pipe body is attached to the third annular sealing ring in an extrusion mode.

Preferably, the peripheral wall of the cylinder body is attached to the peripheral wall of the first annular groove.

Preferably, the second pipe and the cylinder are close to or far from each other in a rotating state of the second support ring.

Compared with the prior art, the utility model has the following beneficial technical effects: connect second support ring and second body, be connected the second support ring with the barrel, realize sealedly through first ring type seal and elastic sealing pad, provide the protection to the cable, when sealing performance descends and needs to overhaul, dismantle the second support ring, remove the connection of second backup pad and first support ring, the upset second backup pad, take out annular piece and first ring type seal, the first ring type seal and the elastic sealing pad of renewal, install fixedly again can, need not change whole piecing devices like the flange, high durability and convenient use, the later maintenance of being convenient for.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

Reference numerals: 1. a first pipe body; 2. a second tube body; 3. a first support ring; 4. a first annular groove; 5. a second annular groove; 6. a barrel; 7. a first support plate; 8. a square hole; 9. a second support plate; 10. a bolt; 11. a ring block; 12. an elastic sealing gasket; 13. a first annular seal ring; 14. a second support ring; 15. a third annular groove; 16. a second annular seal ring; 17. a fourth annular groove; 18. and a third annular seal ring.

Detailed Description

Example one

As shown in fig. 1-3, the modified polypropylene cable protection tube convenient to disassemble and assemble provided by the present invention comprises a first tube 1, a second tube 2, a first support ring 3, a cylinder 6, a second support plate 9, an annular block 11, a first annular seal ring 13 and a second support ring 14;

the first supporting ring 3 is arranged on the outer peripheral wall of the end part of the first pipe body 1, a first annular groove 4 is formed in the end face, facing the second pipe body 2, of the first supporting ring 3, a first annular inclined surface is formed in the inner peripheral wall of the first annular groove 4, the diameter of the first annular inclined surface is linearly reduced in the direction facing the second pipe body 2, a second annular groove 5 is formed in the end face, facing away from the second pipe body 2, of the first supporting ring 3, a second annular inclined surface is formed in the top groove wall of the second annular groove 5, the diameter of the second annular inclined surface is linearly reduced in the direction facing the second pipe body 2, the second annular groove 5 is located on the inner side of the first annular groove 4, and an annular communicating groove is formed between the second annular groove 5 and the first annular groove 4; the left end of the cylinder 6 is inserted into the first annular groove 4, a plurality of groups of first supporting plates 7 are arranged on the left end surface of the cylinder 6, and the first supporting plates 7 penetrate through square holes 8 arranged at the bottom of the first annular groove 4 and extend into the left side of the first supporting ring 3; the second supporting plate 9 is rotatably arranged at the left end of the first supporting plate 7, the second supporting plate 9 is attached to the left end face of the first supporting ring 3, the second supporting plate 9 is detachably connected with the first supporting ring 3, and a plurality of groups of the second supporting plates 9 are arranged; the annular block 11 is inserted into the second annular groove 5 in a matching manner, an elastic sealing gasket 12 is arranged on the outer peripheral surface of the annular block 11, the elastic sealing gasket 12 is attached to the second annular inclined surface in an extrusion manner, and the annular block 11 is attached to the second supporting plate 9; the first annular sealing ring 13 is placed in the annular communication groove, and the inner periphery of the first annular sealing ring 13 is respectively attached to the elastic sealing gasket 12 and the inner peripheral wall of the cylinder 6 in an extruding manner; the second support ring 14 is arranged at the end of the second pipe body 2, the second support ring 14 is detachably connected with the second pipe body 2, and the second support ring 14 is detachably connected with the cylinder 6.

In this embodiment, the second support ring 14 is connected to the second pipe body 2, the second support ring 14 is connected to the cylinder body 6, sealing is achieved through the first annular seal ring 13 and the elastic seal gasket 12, protection is provided for cables, when the sealing performance is lowered and maintenance is needed, the second support ring 14 is disassembled, the connection between the second support plate 9 and the first support ring 3 is removed, the second support plate 9 is turned over, the annular block 11 and the first annular seal ring 13 are taken out, the first annular seal ring 13 and the elastic seal gasket 12 which are replaced are installed and fixed, the whole joint device does not need to be replaced like flanges, the use is convenient, and later maintenance is facilitated.

The first supporting plate 7 is provided with four groups, the four groups of first supporting plates 7 are uniformly distributed around the axis of the first supporting ring 3, and the second supporting plates 9 are correspondingly provided with four groups to provide effective extrusion support for the annular block 11.

The second support plate 9 and the first support ring 3 are provided with threaded holes matched with the bolts 10, the second support plate 9 and the first support ring 3 are connected through the bolts 10, and the bolts 10 are connected, so that the mounting and the dismounting are convenient.

The annular block 11 is an elastic rubber block, the elastic rubber block has a certain sealing effect, and the first annular sealing ring 13 and the elastic sealing gasket 12 are combined, so that the sealing effect is improved.

6 periphery walls of barrel and the 4 periphery walls of first ring channel are laminated, improve the stability of barrel 6 to improve the stability of first body 1 and the 2 joint departments of second body.

Example two

Compared with the first embodiment, the modified polypropylene cable protection tube convenient to disassemble and assemble provided by the utility model has the advantages that the end surface, facing the cylinder body 6, of the second support ring 14 is provided with the third annular groove 15, the bottom of the third annular groove 15 is provided with the second annular sealing ring 16, the outer peripheral wall of the right side of the cylinder body 6 and the outer peripheral wall of the third annular groove 15 are provided with threads which are matched with each other, and the right end of the cylinder body 6 is extruded and attached to the second annular sealing ring 16; the second support ring 14 sets up fourth annular groove 17 towards on the terminal surface of second body 2, and fourth annular groove 17 tank bottom sets up third ring type 18, sets up the screw thread of mutually supporting on second body 2 left side periphery wall and the fourth annular groove 17 periphery wall, and second body 2 left side tip and the extrusion laminating of third ring type 18.

In this embodiment, the second support ring 14 is simply and conveniently fixed by means of the threaded connection.

Under the second support ring 14 rotation state, second body 2 and barrel 6 are close to each other or keep away from, through changing the screw direction, make under the second support ring 14 rotation state, the moving direction of second body 2 and barrel 6 is opposite, is convenient for take off second support ring 14 under the prerequisite that need not remove second body 2.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A modified polypropylene cable protection pipe convenient to disassemble and assemble is characterized by comprising a first pipe body (1), a second pipe body (2), a first support ring (3), a cylinder body (6), a second support plate (9), an annular block (11), a first annular sealing ring (13) and a second support ring (14);

the first supporting ring (3) is arranged on the outer peripheral wall of the end part of the first pipe body (1), a first annular groove (4) is formed in the end face, facing the second pipe body (2), of the first supporting ring (3), a first annular inclined surface is formed in the inner peripheral wall of the first annular groove (4), the diameter of the first annular inclined surface is linearly reduced in the direction facing the second pipe body (2), a second annular groove (5) is formed in the end face, facing away from the second pipe body (2), of the first supporting ring (3), a second annular inclined surface is formed in the top groove wall of the second annular groove (5), the diameter of the second annular inclined surface is linearly reduced in the direction facing the second pipe body (2), the second annular groove (5) is located on the inner side of the first annular groove (4), and an annular communicating groove is formed between the second annular groove (5) and the first annular groove (4); the left end of the cylinder body (6) is inserted into the first annular groove (4), a plurality of groups of first supporting plates (7) are arranged on the left end surface of the cylinder body (6), and the first supporting plates (7) penetrate through square holes (8) formed in the bottom of the first annular groove (4) and extend into the left side of the first supporting ring (3); the second supporting plate (9) is rotatably arranged at the left end of the first supporting plate (7), the second supporting plate (9) is attached to the left end face of the first supporting ring (3), the second supporting plate (9) is detachably connected with the first supporting ring (3), and a plurality of groups of second supporting plates (9) are arranged; the annular block (11) is inserted into the second annular groove (5) in a matching manner, an elastic sealing gasket (12) is arranged on the outer peripheral surface of the annular block (11), the elastic sealing gasket (12) is attached to the second annular inclined surface in an extruding manner, and the annular block (11) is attached to the second supporting plate (9); the first annular sealing ring (13) is placed in the annular communication groove, and the inner periphery and the outer periphery of the first annular sealing ring (13) are respectively extruded and attached to the elastic sealing gasket (12) and the inner peripheral wall of the cylinder body (6); the second support ring (14) is arranged at the end part of the second pipe body (2), the second support ring (14) is detachably connected with the second pipe body (2), and the second support ring (14) is detachably connected with the barrel body (6).

2. The modified polypropylene cable protection tube convenient for disassembly and assembly as claimed in claim 1, wherein the first support plates (7) are provided in four groups, the four groups of the first support plates (7) are uniformly distributed along the circumference centering on the axis of the first support ring (3), and the four groups of the second support plates (9) are correspondingly provided.

3. The modified polypropylene cable protection tube convenient for disassembly and assembly as claimed in claim 1, wherein the second support plate (9) and the first support ring (3) are provided with threaded holes matched with the bolts (10), and the second support plate (9) and the first support ring (3) are connected through the bolts (10).

4. The easy-to-detach modified polypropylene cable protection tube according to claim 1, wherein the ring block (11) is an elastic rubber block.

5. The modified polypropylene cable protection tube convenient to disassemble and assemble according to claim 1, wherein a third annular groove (15) is formed in the end face, facing the cylinder body (6), of the second support ring (14), a second annular sealing ring (16) is arranged at the bottom of the third annular groove (15), mutually matched threads are formed in the outer peripheral wall of the right side of the cylinder body (6) and the outer peripheral wall of the third annular groove (15), and the right end of the cylinder body (6) is attached to the second annular sealing ring (16) in a pressing mode.

6. The modified polypropylene cable protection tube convenient for disassembly and assembly as claimed in claim 1, wherein a fourth annular groove (17) is formed on an end surface of the second support ring (14) facing the second tube body (2), a third annular sealing ring (18) is arranged at a bottom of the fourth annular groove (17), threads which are matched with each other are arranged on an outer peripheral wall of a left side of the second tube body (2) and an outer peripheral wall of the fourth annular groove (17), and an end of the left side of the second tube body (2) is attached to the third annular sealing ring (18) in a pressing manner.

7. The easy-to-detach modified polypropylene cable protection tube according to claim 1, wherein the outer circumferential wall of the cylinder (6) is attached to the outer circumferential wall of the first annular groove (4).

8. The modified polypropylene cable protection tube for easy detachment and installation according to claim 5 or 6, wherein the second tube body (2) and the cylinder body (6) are close to or far from each other in a state that the second support ring (14) is rotated.