CN213361905U

CN213361905U - Pressure-adjustable gas transmission pipeline

Info

Publication number: CN213361905U
Application number: CN202022017769.8U
Authority: CN
Inventors: 邵桦; 王礼荣; 谢毅
Original assignee: Guizhou Qianfeng Industrial Co ltd
Current assignee: Guizhou Qianfeng Industrial Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-06-04
Anticipated expiration: 2030-09-15

Abstract

The utility model relates to a transmission pipeline technical field, specifically speaking relates to a but pressure regulation's gas transmission pipeline, including gas transmission pipeline main part, be provided with gas pressure regulating valve in the gas transmission pipeline main part, two ends of gas transmission pipeline main part all are provided with the ring flange, be provided with sealing device on the ring flange, sealing device includes two mutual just right interior arc pieces from top to bottom, be provided with the arc draw-in groove that is linked together with the external world in the interior arc piece, the outside of interior arc piece is provided with the outer heat exchanger that looses, the end of two outer heat exchanger that looses all is provided with is the rectangular plate that the level form set up, through fastening bolt fixed connection between two mutual just right rectangular plates, still be provided with the buffering cavity on the roof of the arc draw-in groove of top, be provided with the screw hole that is linked together. The utility model discloses can adjust pipeline internal pressure, facilitate the use, facilitate for the user.

Description

Pressure-adjustable gas transmission pipeline

Technical Field

The utility model relates to a transmission pipeline technical field, specifically speaking relates to a pressure-adjustable gas transmission pipeline.

Background

The gas transmission pipeline is mainly used for transmitting gas, and when the conventional gas transmission pipeline is put into use, the defect that the gas pressure in the pipeline cannot be adjusted exists, so that the gas pressure in the pipeline is insufficient or too high, and inconvenience is brought to a user to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas transmission pipeline of adjustable pressure to solve the defect that proposes among the above-mentioned background art.

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

a pressure-adjustable gas transmission pipeline comprises a gas transmission pipeline main body, wherein a gas pressure adjusting valve is arranged on the gas transmission pipeline main body, flange plates are arranged at two tail ends of the gas transmission pipeline main body, a sealing device is arranged on the flange plates and comprises an upper inner arc block and a lower inner arc block which are opposite to each other, an arc-shaped clamping groove communicated with the outside is arranged in the inner arc block, the flange plates and the arc-shaped clamping groove are matched in an inserted manner, an outer heat dissipation cover is arranged outside the inner arc block, rectangular plates which are horizontally arranged are arranged at the tail ends of the two outer heat dissipation covers, the two rectangular plates which are opposite to each other are fixedly connected through fastening bolts, a buffer chamber is also arranged on the top wall of the arc-shaped clamping groove positioned above the buffer chamber, and a threaded hole communicated with the outside is arranged on the top wall of the, and a pressure gauge is arranged in the threaded hole.

Preferably, a sealing gasket is arranged on the groove wall of the arc-shaped clamping groove, and the flange plate is in interference fit with the sealing gasket to ensure that the flange plate and the arc-shaped clamping groove have better sealing performance.

Preferably, the width of the arc-shaped clamping groove is equal to the sum of the thicknesses of the two flange plates, so that the two flange plates can be installed in the arc-shaped clamping groove.

Preferably, the inner wall of the flange plate is concentrically provided with an annular groove, an inner ring is embedded in the annular groove, and the outer side surface of the inner ring is provided with a sealing ring, so that better sealing performance between the two flange plates is ensured.

Preferably, the thickness of the sealing ring is larger than the depth of the annular groove, so that when the two flange plates are connected through the flange, the sealing rings on the two flange plates can be in interference fit, and the sealing effect between the two flange plates is improved.

Preferably, the cross section of the arc-shaped clamping groove is semicircular, and the outer diameter of the flange plate is equal to the inner diameter of the arc-shaped clamping groove, so that the flange plate can be stably installed in the arc-shaped clamping groove.

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

1. the utility model discloses a gas pressure governing valve that sets up guarantees when using, can utilize gas pressure governing valve to adjust the gas pressure in the gas transmission pipeline main part, facilitates the use, has solved conventional gas transmission pipeline when coming into operation, has the defect that can not adjust gas pressure in the pipeline, and then can cause the pipeline interior gas pressure not enough or too high, to a certain extent, the problem of inconvenience is brought for the user.

2. The utility model discloses a manometer that sets up guarantees that when the connection position of two ring flanges appears revealing, atmospheric pressure in the cushion chamber can increase, utilizes the manometer can detect whether appear the condition revealed between two ring flanges, facilitates the use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is an exploded view of the sealing device of the present invention;

fig. 5 is a cross-sectional view of the outer heat dissipation cover and the inner arc-shaped block of the present invention.

In the figure: 1. a gas transmission pipeline main body; 10. a gas pressure regulating valve; 11. a flange plate; 111. an annular groove; 12. an inner ring; 121. a seal ring; 2. a sealing device; 20. an inner arc-shaped block; 201. an arc-shaped clamping groove; 202. a gasket; 21. an outer heat dissipation cover; 22. a rectangular plate; 23. a buffer chamber; 24. a threaded hole; 25. and a pressure gauge.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a gas transmission pipeline with adjustable pressure comprises a gas transmission pipeline main body 1, wherein a gas pressure regulating valve 10 is arranged on the gas transmission pipeline main body 1, so that when the pipeline is used, the gas pressure in the gas transmission pipeline main body 1 can be regulated by the gas pressure regulating valve 10, and the pipeline is convenient to use;

specifically, flanges 11 are integrally formed at two ends of a gas transmission pipeline main body 1, a sealing device 2 is arranged on the flanges 11, the sealing device 2 comprises an upper inner arc block 20 and a lower inner arc block 20 which are opposite to each other, an arc clamping groove 201 communicated with the outside is formed in the inner arc block 20, the flanges 11 and the arc clamping grooves 201 are in insertion fit, an outer heat dissipation cover 21 is integrally formed outside the inner arc block 20, the outer heat dissipation cover 21 is made of copper materials, and the outer heat dissipation cover 21 is guaranteed to have a certain heat dissipation effect;

specifically, the ends of the two outer heat dissipation covers 21 are tightly welded with the rectangular plates 22 arranged in a horizontal shape, the two rectangular plates 22 opposite to each other are fixedly connected through fastening bolts, corresponding threaded holes are formed in the rectangular plates 22, the two rectangular plates 22 are fixed through the fastening bolts, the top wall of the arc-shaped clamping groove 201 positioned above the rectangular plates 22 is also provided with a buffer chamber 23, the top wall of the buffer chamber 23 is provided with a threaded hole 24 communicated with the outside, the threaded hole 24 is internally threaded with a pressure gauge 25, so that when in use, in the event of a leak between the two flanges 11, the gas pressure in the buffer chamber 23 will increase, and at the same time, when the leakage occurs between the two outer heat dissipation covers 21, the air pressure in the buffer chamber 23 is reduced, and whether the gas leakage occurs between the two flanges 11 and the two outer heat dissipation covers 21 can be judged by using the pressure gauge 25.

In this embodiment, the sealing gasket 202 is tightly bonded to the wall of the arc-shaped slot 201, and the flange plate 11 and the sealing gasket 202 are in interference fit, so as to ensure that the flange plate 11 and the arc-shaped slot 201 have good sealing performance.

Specifically, the width of the arc-shaped clamping groove 201 is equal to the sum of the thicknesses of the two flange plates 11, so that the two flange plates 11 can be installed in the arc-shaped clamping groove 201; the cross-section semicircular in shape of arc draw-in groove 201, the external diameter of ring flange 11 equals the internal diameter of arc draw-in groove 201, guarantees installing in arc draw-in groove 201 that ring flange 11 can be stable.

Furthermore, the inner wall of the flange plate 11 is concentrically provided with an annular groove 111, an inner ring 12 is embedded in the annular groove 111, and the outer side surface of the inner ring 12 is provided with a sealing ring 121, so that good sealing performance between the two flange plates 11 is ensured; the thickness of sealing ring 121 is greater than the degree of depth of ring channel 111, when guaranteeing flange joint between two ring flanges 11, can interference fit between the sealing ring 121 on two ring flanges 11, improves the sealed effect between two ring flanges 11.

When the pressure-adjustable gas transmission pipeline of the utility model is used, the gas pressure inside the gas transmission pipeline main body 1 can be adjusted by the gas pressure adjusting valve 10, in addition, when two gas transmission pipeline main bodies 1 are connected by flanges, the inner arc-shaped blocks 20 are sleeved on the corresponding flange plates 11, and the two inner arc-shaped blocks 20 are fixed by the rectangular plates 22 by the fastening bolts, so that the flange plates 11 are stably positioned in the arc-shaped clamping grooves 201, at the moment, when leakage occurs between the two flange plates 11, the air pressure in the buffer chamber 23 can be increased, in addition, when leakage occurs between the two outer heat dissipation covers 21, the air pressure in the buffer chamber 23 can be reduced, the pressure gauge 25 can be utilized to judge whether gas leakage occurs between the two flange plates 11 and the two outer heat dissipation covers 21, the use is convenient, the problem that the conventional gas transmission pipeline is put into use is solved, the defect that the pressure of gas in the pipeline cannot be adjusted exists, and then the pressure of the gas in the pipeline is insufficient or too high, so that inconvenience is brought to a user to a certain extent.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An adjustable pressure gas transmission pipeline, comprising a gas transmission pipeline main body (1), characterized in that: the gas transmission pipeline comprises a gas transmission pipeline main body (1), wherein a gas pressure regulating valve (10) is arranged on the gas transmission pipeline main body (1), flange plates (11) are arranged at two tail ends of the gas transmission pipeline main body (1), a sealing device (2) is arranged on the flange plates (11), the sealing device (2) comprises an upper inner arc-shaped block (20) and a lower inner arc-shaped block (20) which are opposite to each other, arc-shaped clamping grooves (201) communicated with the outside are formed in the inner arc-shaped blocks (20), the flange plates (11) are matched with the arc-shaped clamping grooves (201) in an inserted mode, outer heat dissipation covers (21) are arranged outside the inner arc-shaped blocks (20), rectangular plates (22) which are arranged horizontally are arranged at the tail ends of the two outer heat dissipation covers (21), the two rectangular plates (22) which are opposite to each other are fixedly connected through fastening bolts, and a buffer chamber, the top wall of the buffer chamber (23) is provided with a threaded hole (24) communicated with the outside, and a pressure gauge (25) is arranged in the threaded hole (24).

2. The adjustable pressure gas delivery pipeline of claim 1, wherein: be provided with sealed pad (202) on the cell wall of arc draw-in groove (201), ring flange (11) with sealed interference fit between pad (202).

3. The adjustable pressure gas delivery pipeline of claim 1, wherein: the width of the arc-shaped clamping groove (201) is equal to the sum of the thicknesses of the two flange plates (11).

4. The adjustable pressure gas delivery pipeline of claim 1, wherein: the inner wall of the flange plate (11) is concentrically provided with an annular groove (111), an inner ring (12) is embedded in the annular groove (111), and a sealing ring (121) is arranged on the outer side surface of the inner ring (12).

5. The adjustable pressure gas delivery pipeline of claim 4, wherein: the thickness of the sealing ring (121) is greater than the depth of the annular groove (111).

6. The adjustable pressure gas delivery pipeline of claim 1, wherein: the section of the arc-shaped clamping groove (201) is semicircular, and the outer diameter of the flange plate (11) is equal to the inner diameter of the arc-shaped clamping groove (201).