CN209960037U

CN209960037U - Buried polyethylene gas pipe for gas

Info

Publication number: CN209960037U
Application number: CN201920662357.4U
Authority: CN
Inventors: 霍朝晖; 赵富智; 李风良
Original assignee: Inner Mongolia Zhaotong Piping System Co Ltd
Current assignee: Inner Mongolia Zhaotong Piping System Co Ltd
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-01-17
Anticipated expiration: 2029-05-09

Abstract

The utility model discloses a buried polyethylene gas pipe is used to gas, including first gas pipe, the outside of first gas pipe is fixed to be carved with first screw thread, one side sliding connection of first gas pipe has fixedly. Can couple together two first gas union couplings through fixed pipe, there is the draw-in groove fixed pipe's inside, the outside of first gas pipe is threaded, can be convenient but be connected the screw thread draw-in groove, convenient dismantlement, convenient connection, do benefit to the installation, can use by a large scale, practice thrift the time of installation, and simple structure, and easy to realize, the corrosivity of inner tube has been realized through the dampproof course, prevent because the pipeline is in the moist environment of underground, the inner tube corrodes easily, and is more durable, the live time of pipeline has been improved, the crushing resistance of pipeline has been improved through the protection tube, prevent the easy cracked drawback in the use of pipeline, increase the service life, reduce the change frequency of pipeline, also reduce possibility such as pipeline gas leakage.

Description

Buried polyethylene gas pipe for gas

Technical Field

The utility model relates to a gas pipe technical field specifically is a buried polyethylene gas pipe is used in gas.

Background

The gas pipe is a special pipeline for conveying combustible gas, is a rubber hose with a metal gas pipe hose instead of a traditional buckle mode, and can overcome the defects that the rubber hose is easy to fall off, age and bite insects and has short service life. The gas pipe has the characteristics of convenient installation, reliable connection, corrosion resistance, no gas blockage, good flexibility, long service life, capability of being bent at will without deformation, no gas blockage and the like. The surface soft protective layer material has the characteristics of safety, easier cleaning and attractive appearance, and the service life of the stainless steel threaded connection metal hose is 8 years. The PE gas pipe is in the municipal pipe market in China, the plastic pipeline is developing steadily, the PE gas pipe, the PP-R gas pipe and the UPVC gas pipe all occupy a place, the strong development of the PE pipe is most remarkable, and the PE gas pipe is wide in application field. The polyethylene has good chemical stability and can resist dilute nitric acid, dilute sulfuric acid, hydrochloric acid, hydrofluoric acid, phosphoric acid, formic acid, acetic acid, ammonia water, amines, hydrogen peroxide, sodium hydroxide, potassium hydroxide and other solutions with any concentration at room temperature. At the forming temperature, the melt is reduced in degree of indicia due to oxidation, and discoloration and streaks occur, so attention should be paid to the forming and using processes or material selection. Since polyethylene has the above-mentioned properties and is easily processed and molded, recycling of polyethylene is of far-reaching value.

At present commonly used gas pipe has a lot of shortcomings, and not only the structure is complicated, but also is impractical to the work of not practical gas transport, and its defect lies in: first, it is not corrosion resistant; secondly, it is not strong enough and is easy to damage; thirdly, the connection is not convenient enough; fourth, the materials are not environmentally friendly. Accordingly, those skilled in the art have provided a buried polyethylene gas pipe for gas to solve the problems set forth in the above background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a buried polyethylene gas pipe is used in gas to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a buried polyethylene gas pipe is used in gas, includes first gas pipe, the outside of first gas pipe is fixed to be carved with first screw thread, one side sliding connection of first gas pipe has fixed pipe.

As a further aspect of the present invention: first gas pipe is including protection tube, dampproof course and inner tube, the fixed dampproof course that is provided with in the outside of inner tube, the fixed protection tube that is provided with in the outside of dampproof course.

As a further aspect of the present invention: the protection tube includes dop, first half pipe, first hinge, first draw-in groove, half pipe of second, second hinge and second screw thread, fixed surface is connected with first hinge on one side of first half pipe, the fixed surface that just is close to first hinge on one side of first half pipe is connected with the second hinge, fixed surface is provided with the dop on one side of first half pipe and keeps away from first hinge, one side of first hinge and second hinge just keeps away from the one end fixedly connected with second half pipe of first half pipe, fixed surface is provided with first draw-in groove on one side of second half pipe, the outside lower surface one end of half pipe of second is fixed to be carved with first screw thread, the outside surface of half pipe of second and the one end of keeping away from first screw thread are fixed to be carved with the second screw thread.

As a further aspect of the present invention: the fixed pipe comprises a second clamping groove and a third clamping groove, the third clamping groove is carved on the inner side surface of the fixed pipe, and the second clamping groove is carved on the inner side surface of the fixed pipe and at the end far away from the third clamping groove.

As a further aspect of the present invention: first screw threads are fixedly carved at one end of the lower surface of the outer side of the first half pipe, and second screw threads are fixedly carved at one end, far away from the first screw threads, of the surface of the outer side of the first half pipe.

As a further aspect of the present invention: the second thread is clamped in the third clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the novel buried polyethylene gas pipe, two first gas pipes can be connected through the fixed pipe, the clamping groove is formed in the fixed pipe, the threads are arranged on the outer portion of the first gas pipe, the threads can be conveniently connected with the clamping groove, the novel buried polyethylene gas pipe is convenient to disassemble and connect, installation is facilitated, the novel buried polyethylene gas pipe can be used in a large area, installation time is saved, and the novel buried polyethylene gas pipe is simple in structure and easy to realize;

2. according to the novel buried polyethylene gas pipe, the corrosion of the inner pipe is realized through the moisture-proof layer, the inner pipe is prevented from being easily corroded due to the fact that the pipeline is in an underground humid environment, the buried polyethylene gas pipe is more durable, and the service life of the pipeline is prolonged;

3. according to the novel buried polyethylene gas pipe, the pressure resistance of the pipeline is improved through the protection pipe, the defect that the pipeline is easy to break in the using process is overcome, the service life is prolonged, the replacing frequency of the pipeline is reduced, and the possibility of air leakage of the pipeline is reduced;

4. this novel buried polyethylene gas pipe, gas pipe is through adopting the polyethylene material, and the polyethylene material can be retrieved by regeneration, and is relatively environmental protection, is fit for using widely by a large scale.

Drawings

FIG. 1 is a schematic structural diagram of a buried polyethylene gas pipe for gas;

FIG. 2 is a schematic view of the internal structure of an inner pipe in a buried polyethylene gas pipe for gas;

FIG. 3 is a schematic structural view of a protective pipe in a buried polyethylene gas pipe for gas;

fig. 4 is a schematic structural view of a fixed pipe in a buried polyethylene gas pipe for gas.

In the figure: 1. a fixed tube; 2. a first gas pipe; 3. a first thread; 4. protecting the tube; 5. a moisture barrier; 6. an inner tube; 7. clamping a head; 8. a first half pipe; 9. a first hinge; 10. a first card slot; 11. a second half pipe; 12. a second hinge; 13. a second card slot; 14. a third card slot; 15. a second thread.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a buried polyethylene gas pipe for gas comprises a first gas pipe 2, the first gas pipe 2 comprises a protection pipe 4, a moisture-proof layer 5 and an inner pipe 6, the moisture-proof layer 5 is fixedly disposed on the outer side of the inner pipe 6, the protection pipe 4 is fixedly disposed on the outer side of the moisture-proof layer 5, the protection pipe 4 comprises a clamp 7, a first half pipe 8, a first hinge 9, a first slot 10, a second half pipe 11, a second hinge 12 and a second thread 15, the upper surface of one side of the first half pipe 8 is fixedly connected with the first hinge 9, the upper surface of one side of the first half pipe 8 close to the first hinge 9 is fixedly connected with the second hinge 12, the upper surface of one side of the first half pipe 8 far away from the first hinge 9 is fixedly provided with the clamp 7, the lower surface of one side of the first half pipe 8 is fixedly carved with the first thread 3, the outer surface of one end of the first half pipe 8 far away from the first thread 3 is fixedly carved with the second thread 15, the second thread 15 is clamped in the third clamping groove 14, so that the pipelines can be conveniently connected, and the pipeline connecting device is easy to install, disassemble and use.

In FIGS. 1 to 4: one end of each of the first hinge 9 and the second hinge 12, which is far away from the first half pipe 8, is fixedly connected with a second half pipe 11, the upper surface of one side of the second half pipe 11 is fixedly provided with a first clamping groove 10, one end of the outer lower surface of the second half pipe 11 is fixedly carved with a first thread 3, one end of the outer surface of the second half pipe 11, which is far away from the first thread 3, is fixedly carved with a second thread 15, the outer side of the first gas pipe 2 is fixedly carved with the first thread 3, one side of the first gas pipe 2 is slidably connected with a fixed pipe 1, the fixed pipe 1 comprises a second clamping groove 13 and a third clamping groove 14, the inner surface of the fixed pipe 1 is fixedly carved with the third clamping groove 14, one end of the inner surface of the fixed pipe 1, which is far away from the third clamping groove 14, is fixedly carved with the second clamping groove 13, so as to prevent the use, the service life of the gas pipe is prolonged, and the large-scale gas leakage caused by the breakage of the inner pipe 6 in the use process is prevented.

The utility model discloses a theory of operation is: our gas pipe generally divide into three-layer, the inlayer is inner tube 6, inner tube 6 is made for the polyethylene material, the outside fixedly connected with dampproof course 5 of inner tube 6, dampproof course 5 is generally used for dampproofing the use, whole device is buried underground, receive the influence of land environment, inner tube 6 is easily affected by the tide, it is unfavorable to the transmission of coal gas, so add dampproof course 5 in the outside of inner tube 6 can prevent inner tube 6 because disadvantages such as moisture decay, etc. in the use, be provided with protection tube 4 in the outside of dampproof course 5, in the use, protection tube 4 plays the effect of a protection inner tube, prevent in the use, it is the life extension of gas pipe, and prevent that inner tube 6 breaks and causes large-scale coal gas leakage in the use, one side of protection tube 4 is provided with dop 7, the opposite side is provided with first draw-in groove 10, we can decide how many protection tubes 4 to use according to the, when the protection tube 4 damages when careless in the use, change protection tube 4 that can be convenient is carved with first screw thread 3 and second screw thread 15 in the outside of protection tube 4, and second screw thread 15 and the third draw-in groove 14 looks block in the fixed pipe 1 can be convenient connect the pipeline, and what like this can be convenient couples together the pipeline, easily installation, easily dismantlement, facilitate the use.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a buried polyethylene gas pipe for gas, includes first gas pipe (2), its characterized in that, the outside of first gas pipe (2) is fixed to be carved with first screw thread (3), one side sliding connection of first gas pipe (2) has fixed pipe (1).

2. The buried polyethylene gas pipe for gas as claimed in claim 1, wherein the first gas pipe (2) comprises a protection pipe (4), a moisture-proof layer (5) and an inner pipe (6), the moisture-proof layer (5) is fixedly arranged on the outer side of the inner pipe (6), and the protection pipe (4) is fixedly arranged on the outer side of the moisture-proof layer (5).

3. The buried polyethylene gas pipe for gas as claimed in claim 2, wherein the protection pipe (4) comprises a clamping head (7), a first half pipe (8), a first hinge (9), a first clamping groove (10), a second half pipe (11), a second hinge (12) and a second thread (15), the first hinge (9) is fixedly connected to the upper surface of one side of the first half pipe (8), the second hinge (12) is fixedly connected to the upper surface of one side of the first half pipe (8) close to the first hinge (9), the clamping head (7) is fixedly arranged on the upper surface of one side of the first half pipe (8) far away from the first hinge (9), the second half pipe (11) is fixedly connected to one side of the first hinge (9) and one end of the second hinge (12) far away from the first half pipe (8), the first clamping groove (10) is fixedly arranged on the upper surface of one side of the second half pipe (11), first screw threads (3) are fixedly carved at one end of the lower surface of the outer side of the second half pipe (11), and second screw threads (15) are fixedly carved at one end, far away from the first screw threads (3), of the surface of the outer side of the second half pipe (11).

4. The buried polyethylene gas pipe for gas as claimed in claim 1, wherein the fixed pipe (1) comprises a second clamping groove (13) and a third clamping groove (14), the third clamping groove (14) is fixedly carved on the inner side surface of the fixed pipe (1), and the second clamping groove (13) is fixedly carved on the inner side surface of the fixed pipe (1) and at one end far away from the third clamping groove (14).

5. The buried polyethylene gas pipe for gas as claimed in claim 3, wherein a first thread (3) is fixedly engraved at one end of the outer lower surface of the first half pipe (8), and a second thread (15) is fixedly engraved at one end of the outer surface of the first half pipe (8) far away from the first thread (3).

6. The buried polyethylene gas pipe for gas use according to claim 5, wherein the second thread (15) is engaged with the third engaging groove (14).