CN210830995U

CN210830995U - Port plugging device for waste pipeline for natural gas pipe network transformation

Info

Publication number: CN210830995U
Application number: CN201921300392.8U
Authority: CN
Inventors: 纪宏政
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-23
Anticipated expiration: 2029-08-12

Abstract

The utility model relates to the technical field of pipeline plugging devices, in particular to a port plugging device for reforming a waste pipeline by a natural gas pipeline network, which comprises the waste pipeline, a pipe sleeve arranged on the waste pipeline and a plugging cover in threaded connection with the pipe sleeve, wherein one side of the pipe sleeve is provided with a pipe groove, the waste pipeline penetrates into the pipe groove and is fixedly bonded with the pipe sleeve through a sealant, one side of the pipe sleeve is provided with a through hole, the outer surface of one end of the pipe sleeve, which is far away from the waste pipeline, is provided with an external thread groove, the outer surface of the pipe sleeve is provided with a bolt groove, and the inner wall of one side of the plugging cover is integrally formed with an insert; the second rubber sealing gasket and the first rubber sealing gasket can be extruded mutually in the process of inserting the inserted column into the pipe sleeve, so that the pipe sleeve and the blocking cover are more tight in sealing, the two surfaces of the pipe sleeve and the blocking cover are attached, the gap between the pipe sleeve and the blocking cover is filled, and the phenomenon of air leakage is prevented.

Description

Port plugging device for waste pipeline for natural gas pipe network transformation

Technical Field

The utility model relates to a pipeline plugging device field especially relates to a natural gas pipe network reforms transform port plugging device for old and useless pipeline.

Background

In recent years, departments such as the national development and improvement committee, the energy authority and the like have successively issued a series of policy and regulations related to natural gas pipe network facilities, clear policy guidance is provided for the construction of natural gas infrastructure in China, thirteen five are envisaged, the reform of the Chinese natural gas industry will be continuously promoted, the management system, the market main body, the operation mode, the supervision mode and the like of the natural gas pipeline industry will be deeply changed, and in the process of reforming the natural gas pipe network, a plurality of waste pipelines or pipelines which lose functions need to be plugged.

Technical problems existing in the prior art

The existing waste pipelines are directly sealed, the sealing effect is poor, and the pipelines can be not sealed in a long-term blowing and raining or oxidation process.

The existing abandoned old pipeline needs to be reused when being repaired or reformed again in a possible later period after being sealed, and the pipeline can be damaged due to the disassembly of the original sealing structure, so that the pipeline can not be reused.

In order to solve the problem, the application provides a port plugging device for reforming the waste pipeline of the natural gas pipe network.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that provides in the background art, the utility model provides a natural gas pipe network reforms transform port plugging device for old and useless pipeline has improved the leakproofness of the shutoff department of pipeline, does not influence the use when needs reuse pipeline.

(II) technical scheme

In order to solve the problems, the utility model provides a port plugging device for reforming a waste pipeline of a natural gas pipeline network, which comprises a waste pipeline, a pipe sleeve arranged on the waste pipeline and a plugging cover in threaded connection with the pipe sleeve;

a pipe groove is formed in one side of the pipe sleeve, the waste pipeline penetrates into the pipe groove and is fixedly bonded with the pipe sleeve through a sealant, a through hole is formed in one side of the pipe sleeve, an external thread groove is formed in the outer surface of one end, away from the waste pipeline, of the pipe sleeve, and a bolt groove is formed in the outer surface of the pipe sleeve;

one side inner wall integrated into one piece of shutoff lid has the post of inserting, the pipe box with install between the shutoff lid and be used for sealing the pipe box with the sealed pad of first rubber and the sealed pad of second rubber in gap between the shutoff lid, the internal thread groove has been seted up to the inner wall of shutoff lid, the bolt hole has been seted up to the outer wall of shutoff lid, the shutoff lid with pipe box threaded connection, the surface of shutoff lid is equipped with fixing bolt, fixing bolt runs through extend to behind the bolt hole the bolt inslot, fixing bolt with pipe box threaded connection.

Preferably, the number of the bolt grooves is not less than four, and the number of the fixing bolts and the number of the bolt holes are two.

Preferably, the insert column is of a conical structure.

Preferably, the first rubber sealing gasket is of a conical tubular structure, and a sealing ring is integrally formed at one end of the first rubber sealing gasket.

Preferably, the inner wall of pipe box bonds and has first rubber packing pad, the sealing ring with one side bonding of pipe box is fixed, the outer wall of inserting the post bonds and has second rubber packing pad, first rubber packing pad's inner wall with second rubber packing pad's surface is laminated mutually, just the sealing ring with one side inner wall of shutoff lid is laminated mutually.

Preferably, the outer wall of inserting the post bonds and has first rubber packing pad, the sealing ring with one side inner wall bonding of shutoff lid is fixed, the inner wall bonding of pipe box has second rubber packing pad, second rubber packing pad's inner wall with the outer wall of first rubber packing pad is laminated mutually, the sealing ring with one side laminating mutually of pipe box.

The above technical scheme of the utility model has following profitable technological effect:

when the inserted column is inserted into the pipe sleeve, the second rubber sealing gasket and the first rubber sealing gasket can be mutually extruded, so that the pipe sleeve and the blocking cover are more tightly sealed, two surfaces of the sealing ring are attached to the pipe sleeve and the blocking cover, a gap between the pipe sleeve and the blocking cover is filled, and the phenomenon of air leakage is prevented;

when having ensured pipe box and shutoff lid leakproofness, if the later stage transformation, when needing the old and useless pipeline of reuse, can dismantle fixing bolt, rotate the shutoff lid, dismantle the shutoff lid on the pipe box to make old and useless pipeline once more with outside intercommunication, directly just can continue to use outside pipeline and pipe box connection, can not damage original pipeline, thereby can reuse.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the middle pipe sleeve of the present invention.

Fig. 3 is a schematic structural view of the middle plugging cover of the present invention.

Fig. 4 is a schematic structural view of the first rubber sealing gasket of the present invention.

Fig. 5 is a schematic structural diagram of another embodiment of the present invention.

Reference numerals:

1. waste pipelines; 2. pipe sleeve; 21. a pipe groove; 22. a first rubber packing; 221. a seal ring; 23. an outer thread groove; 24. a bolt slot; 3. a blocking cover; 31. inserting a column; 311. a second rubber packing; 32. an internal thread groove; 33. bolt holes; 34. and (5) fixing the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Fig. 1 is the utility model provides a port plugging device for old and useless pipeline is reformed transform to natural gas pipe network's structural schematic.

Fig. 2 is the utility model provides a natural gas pipe network reforms transform structure schematic diagram among the port plugging device for old and useless pipeline.

As shown in fig. 1-5, the port plugging device for reforming the waste pipeline of the natural gas pipeline network provided by the utility model comprises a waste pipeline 1, a pipe sleeve 2 installed on the waste pipeline 1 and a plugging cover 3 connected to the pipe sleeve 2 by screw thread;

a pipe groove 21 is formed in one side of the pipe sleeve 2, the waste pipeline 1 penetrates into the pipe groove 21 and is fixedly bonded with the pipe sleeve 2 through a sealant, a through hole is formed in one side of the pipe sleeve 2, an external thread groove 23 is formed in the outer surface of one end, away from the waste pipeline 1, of the pipe sleeve 2, and a bolt groove 24 is formed in the outer surface of the pipe sleeve 2;

the post 31 is inserted to one side inner wall integrated into one piece of shutoff lid 3, install between pipe box 2 and the shutoff lid 3 and be used for sealed pipe box 2 and the sealed 22 and the sealed 311 of second rubber of the sealed gap between the lid 3, the internal thread groove 32 has been seted up to the inner wall of shutoff lid 3, the bolt hole 33 has been seted up to the outer wall of shutoff lid 3, shutoff lid 3 and pipe box 2 threaded connection, the surface of shutoff lid 3 is equipped with fixing bolt 34, fixing bolt 34 runs through behind the bolt hole 33 and extends to in the bolt groove 24, fixing bolt 34 and pipe box 2 threaded connection.

In the utility model, the waste pipeline 1 is firstly inserted into the pipe groove 21 on the pipe sleeve 2 in the installation process, part of sealant is filled in the pipe groove 21, the pipe sleeve 2 and the waste pipeline 1 are connected and sealed, then the insertion column 31 on the plugging cover 3 is inserted into the pipe sleeve 2, the plugging cover 3 at one end of the pipe sleeve 2 is screwed down, so that the first rubber sealing gasket 22 and the second rubber sealing gasket 311 are jointed, the gap between the pipe sleeve 2 and the plugging cover 3 is filled, the sealing performance of the waste pipeline 1 is ensured, the bolt hole 33 is coincided with the bolt groove 24 at the moment, the fixing bolt 34 passes through the bolt hole 33, then the fixing bolt 34 is in threaded connection with the pipe sleeve 2, because the fixing bolt 34 is arranged, the plugging cover 3 can not loosen on the pipe sleeve 2, when the waste pipeline 1 needs to be reused, the fixing bolt 34 can be detached, the plugging cover 3 is rotated, the plugging cover 3 on the pipe housing 2 is detached so that the waste pipe 1 is again communicated with the outside so as to be reused.

As shown in fig. 1-2, the number of bolt grooves 24 is not less than four, and the number of fixing bolts 34 and bolt holes 33 is two.

Note that, by providing a plurality of bolt grooves 24, there is a greater chance that the bolt hole 33 coincides with the fixing bolt 34.

As shown in fig. 3, the insert post 31 has a tapered structure.

It should be noted that the second rubber seal 311 and the first rubber seal 22 are pressed against each other during the insertion of the plug 31 into the socket 2, so that the sealing between the socket 2 and the plugging cover 3 is more tight.

As shown in fig. 4, the first rubber packing 22 has a tapered tubular structure, and a sealing ring 221 is integrally formed at one end of the first rubber packing 22.

It should be noted that, by providing the sealing ring 221, the two sides of the sealing ring 221 can fill up the gap between one end of the pipe sleeve 2 and the inner wall of one side of the blocking cover 3, and the elasticity of the sealing ring 221 also provides a certain buffering capacity for the rotation of the blocking cover 3.

As shown in fig. 1, a first rubber gasket 22 is bonded to the inner wall of the pipe sleeve 2, a sealing ring 221 is bonded and fixed to one side of the pipe sleeve 2, a second rubber gasket 311 is bonded to the outer wall of the plug 31, the inner wall of the first rubber gasket 22 is bonded to the outer surface of the second rubber gasket 311, and the sealing ring 221 is bonded to the inner wall of one side of the sealing cover 3.

In an alternative embodiment, the second rubber seal 311 is located inside the first rubber seal 22, and the two are attached to each other, and the two sides of the sealing ring 221 are attached to the pipe sleeve 2 and the blocking cover 3, so that the sealing performance of the pipe sleeve 2 and the blocking cover 3 is improved.

It should be noted that, by providing the second rubber packing 311 and the first rubber packing 22, a gap between the inner wall of the one side of the plugging cover 3 and the one side of the socket 2 is avoided.

As shown in fig. 5, a first rubber packing 22 is bonded to the outer wall of the plug 31, a sealing ring 221 is bonded and fixed to the inner wall of one side of the blocking cover 3, a second rubber packing 311 is bonded to the inner wall of the socket 2, the inner wall of the second rubber packing 311 is bonded to the outer wall of the first rubber packing 22, and the sealing ring 221 is bonded to one side of the socket 2.

In an alternative embodiment, the first rubber seal 22 is located inside the second rubber seal 311, and the sealing ring 221 is attached to both sides of the pipe sleeve 2 and the plugging cover 3, so as to improve the sealing performance of the pipe sleeve 2 and the plugging cover 3.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A port plugging device for reforming a waste pipeline of a natural gas pipe network is characterized by comprising a waste pipeline (1), a pipe sleeve (2) arranged on the waste pipeline (1) and a plugging cover (3) in threaded connection with the pipe sleeve (2);

a pipe groove (21) is formed in one side of the pipe sleeve (2), the waste pipeline (1) penetrates into the pipe groove (21) and is fixedly bonded with the pipe sleeve (2) through a sealant, a through hole is formed in one side of the pipe sleeve (2), an external thread groove (23) is formed in the outer surface of one end, away from the waste pipeline (1), of the pipe sleeve (2), and a bolt groove (24) is formed in the outer surface of the pipe sleeve (2);

one side inner wall integrated into one piece of shutoff lid (3) has inserted post (31), pipe box (2) with install between shutoff lid (3) and be used for sealedly pipe box (2) with first rubber packing pad (22) and second rubber packing pad (311) in gap between shutoff lid (3), internal thread groove (32) have been seted up to the inner wall of shutoff lid (3), bolt hole (33) have been seted up to the outer wall of shutoff lid (3), shutoff lid (3) with pipe box (2) threaded connection, the surface of shutoff lid (3) is equipped with fixing bolt (34), fixing bolt (34) run through extend to behind bolt hole (33) in bolt groove (24), fixing bolt (34) with pipe box (2) threaded connection.

2. The port plugging device for the waste pipeline for reforming the natural gas pipe network as claimed in claim 1, wherein the number of the bolt grooves (24) is not less than four, and the number of the fixing bolts (34) and the number of the bolt holes (33) are two.

3. The port plugging device for the waste pipeline for reforming the natural gas pipe network as claimed in claim 1, wherein the insert column (31) is of a conical structure.

4. The port plugging device for the waste pipeline transformed from the natural gas pipe network as claimed in claim 3, wherein the first rubber sealing gasket (22) is of a conical tubular structure, and a sealing ring (221) is integrally formed at one end of the first rubber sealing gasket (22).

5. The port plugging device for the waste pipeline reformed by the natural gas pipe network as claimed in claim 4, wherein the inner wall of the pipe sleeve (2) is bonded with a first rubber sealing gasket (22), the sealing ring (221) is bonded and fixed with one side of the pipe sleeve (2), the outer wall of the plug column (31) is bonded with a second rubber sealing gasket (311), the inner wall of the first rubber sealing gasket (22) is bonded with the outer surface of the second rubber sealing gasket (311), and the sealing ring (221) is bonded with the inner wall of one side of the plugging cover (3).

6. The port plugging device for the waste pipeline reformed by the natural gas pipe network as claimed in claim 4, wherein a first rubber sealing gasket (22) is bonded to the outer wall of the plug column (31), a sealing ring (221) is bonded and fixed to the inner wall of one side of the plugging cover (3), a second rubber sealing gasket (311) is bonded to the inner wall of the pipe sleeve (2), the inner wall of the second rubber sealing gasket (311) is bonded to the outer wall of the first rubber sealing gasket (22), and the sealing ring (221) is bonded to one side of the pipe sleeve (2).