CN211039992U

CN211039992U - Novel insulating joint for gas pipeline

Info

Publication number: CN211039992U
Application number: CN201922037641.5U
Authority: CN
Inventors: 李正齐; 李心正
Original assignee: Henan Zhonghengxin Gas Equipment Co ltd
Current assignee: Henan Zhonghengxin Gas Equipment Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-17
Anticipated expiration: 2029-11-22

Abstract

The utility model belongs to the technical field of pipeline joints, in particular to a novel insulating joint for a gas pipeline, which comprises a joint, wherein a plurality of internal threads are arranged in the joint, the internal threads of the internal threads are connected with external threads, one end of the external threads is fixedly connected with a pipeline, a groove is arranged in the joint, a spring is fixedly connected in the groove, one end of the spring is fixedly connected with a ball, a bowl-shaped groove is arranged in the pipeline, the ball is clamped in the bowl-shaped groove, a wear-resistant layer is arranged in the joint, and a flame-retardant layer is arranged on the surface of the wear-resistant layer; the utility model discloses, carry out threaded connection and joint through setting up internal thread and external screw thread, ball and bowl shape groove, fixture block and draw-in groove and can realize that the gas pipeline fixes in connecting, prevent under rugged environment that the pipeline breaks away from in the joint, and the wearing layer can protect to connect not receive the wearing and tearing of external environment, increases the life who connects.

Description

Novel insulating joint for gas pipeline

Technical Field

The utility model belongs to the technical field of the pipe joint, concretely relates to novel gas is insulating joint for pipeline.

Background

The gas pipe is a special pipeline for conveying combustible gas, is a metal gas pipe hose for replacing a traditional buckle rubber hose, can overcome the defects that the rubber hose is easy to fall off, is easy to age, is easy to bite by insects and has short service life, is generally buried underground or exposed in the environment for use, and when the common length of the gas pipe is not enough, a joint needs to be used between the two gas pipes.

However, the existing joint is easily corroded and oxidized by underground moisture and various chemical substances, the service life of the joint is shortened, and the existing joint is not provided with an insulating layer, so that a certain potential safety hazard exists in a gas pipeline.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel gas is insulating joint for pipeline has characteristics such as insulating effectual, anticorrosion.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel gas is insulating joint for pipeline, includes the joint, a plurality of internal thread has been seted up in the joint, female thread internal connection has the external screw thread, the one end fixedly connected with pipeline of external screw thread, the recess has been seted up in the joint, fixedly connected with spring in the recess, the one end fixedly connected with ball of spring, the bowl-shaped groove has been seted up in the pipeline, the ball joint is at the bowl-shaped inslot, be provided with the wearing layer in the joint, the surface of wearing layer is provided with fire-retardant layer, the surface of fire-retardant layer is provided with the PVB protective layer, the surface of PVB protective layer is provided with the insulating layer, the surface of insulating layer.

Preferably, the wear-resistant layer is made of a low-carbon alloy wear-resistant layer, the flame-retardant layer is made of polypropylene resin, the PVB protective layer is made of polyvinyl butyral, the insulating layer is made of a PET film, and the anticorrosive layer is made of an epoxy resin coating.

Preferably, the right end of the pipeline is fixedly connected with a first sealing ring, and the left end of the pipeline is fixedly connected with a second sealing ring.

Preferably, the bottom end of the joint is fixedly connected with a gas sensor, and the top end of the joint is fixedly connected with an alarm.

Preferably, a clamping groove is formed in the pipeline, a clamping block is clamped in the clamping groove, one end of the clamping block is fixedly connected with a fixing block, and one end of the fixing block is fixedly connected in the joint.

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

the utility model discloses, through setting up internal thread and external screw thread, ball and bowl groove, fixture block and draw-in groove carry out threaded connection and joint and can realize that the pipeline is fixed in connecting, prevent under abominable environment, the pipeline breaks away from in the joint, the wearing layer can protect to connect and do not receive the wearing and tearing of external environment, increase the life who connects, fire-retardant layer can protect to connect not damaged under the environment of high temperature burning, the PVB protective layer can make the performance in the aspect of intensity such as shock resistance more superior, the insulating layer can protect to connect not receive the damage of thunder and lightning under thunder and lightning weather, the anticorrosive coating can prevent to connect the corrosive oxidation that does not receive various chemical substances, the life who connects is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the middle joint of the present invention;

in the figure: 1. a joint; 2. an internal thread; 3. an external thread; 4. a pipeline; 5. a first seal ring; 6. a groove; 7. a spring; 8. a ball; 9. a bowl-shaped groove; 10. a card slot; 11. a clamping block; 12. a fixed block; 13. a second seal ring; 14. a wear layer; 15. a flame retardant layer; 16. a PVB protective layer; 17. an insulating layer; 18. an anticorrosive layer; 19. a gas sensor; 20. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a novel insulating joint for a gas pipeline comprises a joint 1, wherein a plurality of internal threads 2 are arranged in the joint 1, the internal threads 2 of the internal threads 2 are connected with external threads 3, one end of each external thread 3 is fixedly connected with a pipeline 4, a groove 6 is arranged in the joint 1, a spring 7 is fixedly connected in the groove 6, one end of the spring 7 is fixedly connected with a ball 8, a bowl-shaped groove 9 is arranged in the pipeline 4, the ball 8 is clamped in the bowl-shaped groove 9, the pipeline 4 can be fixed in the joint 1 by performing threaded connection and clamping connection through the internal threads 2, the external threads 3, the ball 8, the bowl-shaped groove 9, a clamping block 11 and a clamping groove 10, the pipeline 4 is prevented from being separated from the joint 1 in a severe environment, a wear-resistant layer 14 is arranged in the joint 1, a flame-retardant layer 15 is arranged on the surface of the wear-resistant layer 14, and a PV, the surface of PVB protective layer 16 is provided with insulating layer 17, the surface of insulating layer 17 is provided with anticorrosive coating 18, wearing layer 14 can protect to connect 1 not receive external environment's wearing and tearing, increase the life who connects 1, fire-retardant layer 15 can protect under the environment of high temperature burning to connect 1 not damaged, PVB protective layer 16 can make the performance in the aspect of intensity such as shock resistance more superior, insulating layer 17 can protect to connect 1 not receive the damage of thunder and lightning under the thunder and lightning weather, anticorrosive coating 18 can prevent to connect 1 not receive the corrosion oxidation of various chemical substances, improve the life who connects 1.

Specifically, the wear-resistant layer 14 is made of a low-carbon alloy wear-resistant layer 14, the flame-retardant layer 15 is made of polypropylene resin, the PVB protective layer 16 is made of polyvinyl butyral, the insulating layer 17 is made of a PET film, and the anticorrosive layer 18 is made of epoxy resin paint.

Specifically, the right-hand member fixedly connected with first sealing washer 5 of pipeline 4, the left end fixedly connected with second sealing washer 13 of pipeline 4 can seal the gap between pipeline 4 and the joint 1 through first sealing washer 5 and second sealing washer 13, prevents that the gas from leaking.

Specifically, connect 1 bottom fixedly connected with gas sensor 19, the top fixedly connected with alarm 20 that connects 1, gas sensor 19 can detect the natural gas of leaking, and alarm 20 can remind the user natural gas to leak.

Specifically, a clamping groove 10 is formed in the pipeline 4, a clamping block 11 is clamped in the clamping groove 10, one end of the clamping block 11 is fixedly connected with a fixing block 12, and one end of the fixing block 12 is fixedly connected in the joint 1.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, through rotatory pipeline 4, with external screw thread 3 and 2 threaded connection of internal thread to make 8 joints of ball in bowl shape groove 9, then with 11 joints of fixture block in draw-in groove 10, fix first sealing washer 5 and second sealing washer 13 at pipeline 4's both ends of controlling at last.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel insulating joint for gas pipeline, includes joint (1), its characterized in that: a plurality of internal threads (2) are arranged in the joint (1), the internal threads (2) of the internal threads (2) are connected with external threads (3), one end of the external thread (3) is fixedly connected with a pipeline (4), a groove (6) is arranged in the joint (1), a spring (7) is fixedly connected in the groove (6), one end of the spring (7) is fixedly connected with a ball (8), a bowl-shaped groove (9) is arranged in the pipeline (4), the ball (8) is clamped in the bowl-shaped groove (9), a wear-resistant layer (14) is arranged in the joint (1), a flame-retardant layer (15) is arranged on the surface of the wear-resistant layer (14), the surface of fire-retardant layer (15) is provided with PVB protective layer (16), the surface of PVB protective layer (16) is provided with insulating layer (17), the surface of insulating layer (17) is provided with anticorrosive coating (18).

2. The novel insulating joint for the gas pipeline as claimed in claim 1, wherein: the material of the wear-resistant layer (14) is a low-carbon alloy wear-resistant layer (14), the material of the flame-retardant layer (15) is polypropylene resin, the material of the PVB protective layer (16) is polyvinyl butyral, the material of the insulating layer (17) is a PET film, and the material of the anticorrosive layer (18) is epoxy resin paint.

3. The novel insulating joint for the gas pipeline as claimed in claim 1, wherein: the right-hand member fixedly connected with first sealing washer (5) of pipeline (4), the left end fixedly connected with second sealing washer (13) of pipeline (4).

4. The novel insulating joint for the gas pipeline as claimed in claim 1, wherein: the gas sensor (19) is fixedly connected to the bottom end of the joint (1), and the alarm (20) is fixedly connected to the top end of the joint (1).

5. The novel insulating joint for the gas pipeline as claimed in claim 1, wherein: a clamping groove (10) is formed in the pipeline (4), a clamping block (11) is clamped in the clamping groove (10), a fixing block (12) is fixedly connected to one end of the clamping block (11), and one end of the fixing block (12) is fixedly connected to the joint (1).