CN211574536U

CN211574536U - Anti-freezing device for natural gas valve

Info

Publication number: CN211574536U
Application number: CN202020078905.1U
Authority: CN
Inventors: 樊海东
Original assignee: Xinjiang Yakela Charcoal Black Co ltd
Current assignee: Xinjiang Yakela Charcoal Black Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-25
Anticipated expiration: 2030-01-15

Abstract

The utility model belongs to the natural gas valve field, concretely relates to natural gas valve freeze-proof device, the connecting pipe comprises a connecting pipe, both ends are provided with the ring flange about the connecting pipe, the upper end of connecting pipe is provided with the branch pipe, connecting pipe, ring flange and branch pipe formula structure as an organic whole, the rubber sleeve has been cup jointed in the outside slip of connecting pipe, the upper end of rubber sleeve is provided with the thread bush, there is a support section of thick bamboo the inside of thread bush through threaded connection, the natural gas valve is installed through the bolt in the upper end of branch pipe. This scheme is installed in the connecting pipe outside through designing the rubber sleeve, and installs a support section of thick bamboo on the rubber sleeve, connects sealed lid on the support section of thick bamboo, constitutes relative confined space, and designs gas vent and stop valve, can take the inside air of a support section of thick bamboo out, forms relative vacuum space, and it is effectual to keep warm, can carry out freeze protection to the natural gas valve, and respond well.

Description

Anti-freezing device for natural gas valve

Technical Field

The utility model belongs to the natural gas valve field, concretely relates to natural gas valve freeze-proof device.

Background

The natural gas valve is a novel safety matching device for gas pipeline engineering; the gas valve is used for cutting off, connecting and adjusting gas in a pipeline, and has good control characteristics and closing sealing performance; it is suitable for various gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen.

In some low-temperature environments, the natural gas valve has the risk of being frozen, and is mostly coated by only adopting a heat-insulating material at present, but the anti-freezing effect is poor, and good protection is difficult to form. Accordingly, there is a need for improvements in the art.

Disclosure of Invention

An object of the utility model is to provide a natural gas valve freeze-proof device has solved the problem that the natural gas valve is frozen easily in low temperature environment, and it is effectual to prevent frostbite, forms good protection to the natural gas valve.

In order to achieve the purpose, the utility model provides a natural gas valve freeze-proof device, the connecting pipe comprises a connecting pipe, both ends are provided with the ring flange about the connecting pipe, the upper end of connecting pipe is provided with the branch pipe, connecting pipe, ring flange and branch pipe formula structure as an organic whole, the outside of connecting pipe slides and has cup jointed the rubber sleeve, the upper end of rubber sleeve is provided with the thread bush, there is a supporting cylinder the inside of thread bush through threaded connection, the natural gas valve is installed through the bolt in the upper end of branch pipe, the inboard bottom bonding of supporting cylinder has the insulation cover, the right side of supporting cylinder is provided with the gas vent, install the stop valve on the gas vent, there is sealed lid supporting cylinder's upper end through threaded connection, the outside fixed mounting of.

The principle of the utility model lies in: during the use, earlier the rubber sleeve suit in the outside of connecting pipe, and the through-hole in the rubber sleeve passes the branch pipe, then will support a section of thick bamboo and the thread bush on the rubber sleeve passes through threaded connection, make the insulation cover in the support section of thick bamboo and the outside contact of branch pipe, then install the clamp in the outside of rubber sleeve, fix the rubber sleeve, again will seal the lid and pass through threaded connection with a support section of thick bamboo, then can pass through micro vacuum pump connection gas vent, will support the inside air of a section of thick bamboo and take out, then close the gas vent with the stop valve, make the inside constitution of a support section of thick bamboo be close to the vacuum space, thermal.

The beneficial effects of the utility model reside in that: this scheme is installed in the connecting pipe outside through designing the rubber sleeve, and installs a support section of thick bamboo on the rubber sleeve, connects sealed lid on the support section of thick bamboo, constitutes relative confined space, and designs gas vent and stop valve, can take the inside air of a support section of thick bamboo out, forms relative vacuum space, and it is effectual to keep warm, can carry out freeze protection to the natural gas valve, and respond well.

Further, a sealing ring is sleeved at the bottom of the sealing cover and is in contact with the upper end of the supporting cylinder, and the sealing ring is made of a rubber material. The design of sealing washer can prevent to support a section of thick bamboo and sealed lid junction and appear leaking.

Further, a through hole is formed in the middle of the rubber sleeve, and the rubber sleeve and the threaded sleeve are of an integrated structure. The through hole is designed to enable the rubber sleeve to penetrate through the branch pipe.

Further, the thermal insulation sleeve is made of elastic cotton, and the thermal insulation sleeve is wrapped on the outer side of the branch pipe. The design of the insulating sleeve has an antifreezing effect on the branch pipe.

Further, the quantity of clamp is two, two the clamp symmetric distribution is in the outside of rubber sleeve. The installation of clamp can be fixed the rubber sleeve, and prevents to appear leaking gas between rubber sleeve and the connecting pipe.

Drawings

FIG. 1 is a schematic diagram of a natural gas valve anti-freeze apparatus according to an embodiment of the invention;

FIG. 2 is an enlarged view of the portion A of the anti-freeze apparatus for natural gas valve of the embodiment of the present invention shown in FIG. 1;

FIG. 3 is a top view of the rubber boot of FIG. 1 of a natural gas valve anti-freeze apparatus according to an embodiment of the present invention;

FIG. 4 is a side view of the rubber boot of FIG. 1 of a natural gas valve anti-freeze apparatus according to an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a connecting pipe 1, a flange plate 2, a branch pipe 3, a rubber sleeve 4, a threaded sleeve 41, a through hole 42, a natural gas valve 5, a supporting cylinder 6, a heat insulation sleeve 61, an exhaust port 62, a stop valve 63, a sealing cover 64, a sealing ring 65 and a clamp 7.

As shown in fig. 1, fig. 3, fig. 4 shows, this embodiment provides a natural gas valve freeze-proof device, including connecting pipe 1, both ends set up ring flange 2 about connecting pipe 1, the upper end of connecting pipe 1 sets up branch pipe 3, connecting pipe 1, ring flange 2 and branch pipe 3 formula structure as an organic whole, the outside slip of connecting pipe 1 cup joints rubber sleeve 4, the upper end of rubber sleeve 4 sets up thread bush 41, threaded connection supporting cylinder 6 is passed through to the inside of thread bush 41, through-hole 42 is seted up at the middle part of rubber sleeve 4, rubber sleeve 4 and thread bush 41 formula structure as an organic whole, the design of through-hole 42 can make rubber sleeve 4 pass branch pipe 3.

As shown in figure 1, bolt installation natural gas valve 5 is passed through to the upper end of branch pipe 3, the inboard bottom bonding insulation cover 61 of a support section of thick bamboo 6, insulation cover 61 is made by the elastic cotton, insulation cover 61 cladding is in the outside of branch pipe 3, insulation cover 61's design has anti-freezing effect to branch pipe 3, the right side of a support section of thick bamboo 6 sets up gas vent 62, install stop valve 63 on the gas vent 62, stop valve 63 can seal gas vent 62, the hose of vacuum pump can be connected to gas vent 62, to bleeding inside the support section of thick bamboo 6.

As shown in fig. 1 and 2, the upper end of the supporting cylinder 6 is connected with the sealing cover 64 through threads, the bottom of the sealing cover 64 is sleeved with the sealing ring 65, the sealing ring 65 is in contact with the upper end of the supporting cylinder 6, the sealing ring 65 is made of rubber materials, the sealing ring 65 is designed to prevent leakage at the joint of the supporting cylinder 6 and the sealing cover 64, the clamps 7 are fixedly arranged on the outer sides of the rubber sleeves 4, the quantity of the clamps 7 is two, the two clamps 7 are symmetrically distributed on the outer sides of the rubber sleeves 4, the rubber sleeves 4 can be fixed by installing the clamps 7, and air leakage between the rubber sleeves 4 and the connecting pipe 1 is prevented.

The utility model discloses the concrete implementation process as follows: during the use, earlier suit is in the outside of connecting pipe 1 with rubber sleeve 4, and through-hole 42 in the rubber sleeve 4 passes branch pipe 3, then pass through threaded connection with the thread bush 41 on a support section of thick bamboo 6 and the rubber sleeve 4, make the outside contact of insulation support 61 in the support section of thick bamboo 6 and branch pipe 3, then install clamp 7 in the outside of rubber sleeve 4, fix rubber sleeve 4, again pass through threaded connection with sealed lid 64 and a support section of thick bamboo 6, then can pass through micro vacuum pump connection gas vent 62, take out the inside air of a support section of thick bamboo 6, then close gas vent 62 with stop valve 63, make the inside constitution of a support section of thick bamboo 6 be close to the vacuum space, and thermal insulation performance is good.

This scheme is installed in the 1 outside of connecting pipe through design rubber sleeve 4, and installs a support section of thick bamboo 6 on the rubber sleeve 4, connects sealed lid 64 on the support section of thick bamboo 6, constitutes relative confined space, and designs gas vent 62 and stop valve 63, can take out the inside air of a support section of thick bamboo 6, forms relative vacuum space, and it is effectual to keep warm, can prevent frostbite to natural gas valve 5 and protect, and respond well.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a natural gas valve freeze-proof device, includes the connecting pipe, its characterized in that: the utility model discloses a natural gas valve, including connecting pipe, ring flange, branch pipe, natural gas valve, the inboard bottom bonding of a support section of thick bamboo has the insulation cover, the right side of a support section of thick bamboo is provided with the gas vent, install the stop valve on the gas vent, there is sealed lid in the upper end of a support section of thick bamboo through threaded connection, the outside fixed mounting of rubber sleeve has the clamp.

2. The natural gas valve freeze-proofing device of claim 1, wherein: the bottom of the sealing cover is sleeved with a sealing ring, the sealing ring is in contact with the upper end of the supporting cylinder, and the sealing ring is made of a rubber material.

3. The natural gas valve freeze-proofing device of claim 1, wherein: the middle part of rubber sleeve has seted up the through-hole, rubber sleeve and thread bush formula structure as an organic whole.

4. The natural gas valve freeze-proofing device of claim 1, wherein: the thermal insulation sleeve is made of elastic cotton and is wrapped outside the branch pipe.

5. The natural gas valve freeze-proofing device of claim 1, wherein: the quantity of clamp is two, two the clamp symmetric distribution is in the outside of rubber sleeve.