CN219318216U

CN219318216U - Pressure reducing valve for controlling pressure of liquefied petroleum gas steel cylinder

Info

Publication number: CN219318216U
Application number: CN202320841662.6U
Authority: CN
Inventors: 陈瑞
Original assignee: Tianjin Xingruida Gas Co ltd
Current assignee: Tianjin Xingruida Gas Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-07
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to the technical field of pressure reducing valves, in particular to a pressure reducing valve for controlling the pressure of a liquefied petroleum gas steel cylinder, which comprises a pressure reducing valve body and a mounting block, wherein an air inlet pipe is fixedly connected to the left part of the outer surface of the pressure reducing valve body, one end of the air inlet pipe, which is far away from the pressure reducing valve body, is fixedly connected with a mounting mechanism, a pressure gauge is arranged on the upper part of the outer surface of the air inlet pipe, an air outlet pipe is fixedly connected to the right part of the outer surface of the pressure reducing valve body, one end of the air outlet pipe, which is far away from the pressure reducing valve body, is fixedly connected with a connecting mechanism, a clamping groove is formed in the middle of the right end of the mounting block, connecting cylinders are fixedly connected to the upper part of the right end of the mounting block, and mounting grooves are formed in the right ends of the two connecting cylinders. The pressure reducing valve for controlling the pressure of the liquefied petroleum gas steel cylinder is convenient to install with the liquefied petroleum gas steel cylinder and convenient to detach, replace or overhaul through the installation mechanism.

Description

Pressure reducing valve for controlling pressure of liquefied petroleum gas steel cylinder

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a pressure reducing valve for controlling the pressure of a liquefied petroleum gas steel cylinder.

Background

The pressure reducing valve is an indispensable part in gas equipment, and is installed on the liquefied petroleum gas cylinder valve, and the main effect is to reduce the pressure of the high-pressure liquefied petroleum gas in the cylinder from high pressure to medium and low pressure, so as to ensure the pressure required by normal combustion of the burner, in the use process of the existing pressure reducing valve, one end of the pressure reducing valve is connected with the liquefied petroleum gas cylinder, the other end of the pressure reducing valve is connected with a hose, the pressure reducing valve is generally connected with the liquefied petroleum gas cylinder in a threaded connection mounting mode, the threaded connection is easy to wear and slide, the pressure reducing valve can be difficult to detach after long-time use, the pressure reducing valve is generally connected with the hose in a sleeving mode, the hose is easy to loosen, the liquefied petroleum gas leaks, and therefore, the pressure reducing valve for controlling the pressure of the liquefied petroleum gas cylinder is provided.

Disclosure of Invention

The utility model mainly aims to provide a pressure reducing valve for controlling the pressure of a liquefied petroleum gas steel cylinder, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a relief pressure valve for liquefied petroleum gas steel bottle pressure control, includes relief pressure valve body and installation piece, the equal fixedly connected with connecting cylinder of relief pressure valve body surface left portion fixedly connected with intake pipe, the one end fixedly connected with installation mechanism of relief pressure valve body is kept away from to the intake pipe, intake pipe surface upper portion is provided with the manometer, the right-hand member fixedly connected with outlet duct of relief pressure valve body surface, the one end fixedly connected with coupling mechanism of relief pressure valve body is kept away from to the outlet duct, open at installation piece right-hand member middle part has the draw-in groove, equal fixedly connected with connecting cylinder of installation piece right-hand member upper portion and right-hand member lower part, two all open at connecting cylinder right-hand member has the mounting groove.

Preferably, the installation mechanism comprises a connecting block, clamping pipes are fixedly connected to the middle part of the left end of the connecting block, a first sealing ring is fixedly connected to the end of each clamping Guan Zuo, clamping blocks are fixedly connected to the upper part of the left end of the connecting block and the lower part of the left end of the connecting block, movable grooves are formed in the clamping blocks, springs are fixedly connected to the inner walls of the movable grooves, which are close to one sides of the clamping pipes, of the movable grooves, one ends, which are far away from the inner walls of the movable grooves, of the springs are fixedly connected with limiting blocks, and one ends, which are far away from the springs, of the limiting blocks are fixedly connected with limiting columns.

Preferably, the right end of the connecting block is fixedly connected with the air inlet pipe, the outer surfaces of the clamping pipe and the first sealing ring are tightly attached to the inner wall of the clamping groove, and the two clamping blocks are respectively connected with the two mounting grooves in a clamping mode.

Preferably, the outer surfaces of the two limiting blocks are respectively and movably connected with the inner walls of the two movable grooves, and one ends of the two limiting columns, which are far away from the limiting blocks, are respectively and fixedly connected with limiting holes on the two connecting cylinders.

Preferably, the connecting mechanism comprises an outer sleeve, an inner sleeve is fixedly connected to the inner left wall of the outer sleeve, a second sealing ring is fixedly connected to the outer surface of the inner sleeve, a threaded hole is formed in the upper portion of the outer surface of the outer sleeve, and a screw is connected to the threaded hole in a threaded mode.

Preferably, the left end of the outer sleeve is fixedly connected with the air outlet pipe, and the end part of the screw rod is positioned between the outer surface of the inner sleeve and the inner wall of the outer sleeve.

Compared with the prior art, the utility model has the following beneficial effects:

1. through setting up the installation mechanism, installation piece fixed mounting presses two spacing posts on the liquefied petroleum gas steel bottle, two spacing posts extrude two springs through two stopper respectively, two spacing posts shrink towards two movable slots respectively simultaneously, then with two block respectively joint in two mounting slots, two spacing posts pop out from the spacing hole that opens on two connecting cylinders respectively under the elasticity reset of spring, in the installation, the clamp pipe carries the sealing washer of No. one and simultaneously joint in the draw-in groove for relief valve is convenient to install with the liquefied petroleum gas steel bottle, also convenient to dismantle change or overhaul;

2. through setting up coupling mechanism, cup joint hose inner wall and inner skleeve surface, let No. two sealing washer and hose inner wall closely laminate, hose one end is located the gap between inner skleeve and the outer sleeve simultaneously, through rotatory screw rod, makes the tip of screw rod run through the outer sleeve and closely laminate with the hose surface for the hose is convenient to be connected with the relief pressure valve, and connects stably, avoids the hose pine to take off and causes liquefied petroleum gas to reveal.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a pressure reducing valve for controlling the pressure of a LPG cylinder according to the present utility model;

FIG. 2 is a schematic diagram of the whole structure of a mounting block of a pressure reducing valve for controlling the pressure of a liquefied petroleum gas cylinder according to the present utility model;

FIG. 3 is a schematic view showing the whole structure of a mounting mechanism of a pressure reducing valve for controlling the pressure of a liquefied petroleum gas cylinder;

fig. 4 is a schematic diagram of the whole structure of a connection mechanism of a pressure reducing valve for controlling the pressure of a liquefied petroleum gas cylinder.

In the figure: 1. a pressure reducing valve body; 2. a mounting block; 3. an air inlet pipe; 4. a mounting mechanism; 5. a pressure gauge; 6. an air outlet pipe; 7. a connecting mechanism; 8. a clamping groove; 9. a connecting cylinder; 10. a mounting groove; 11. a connecting block; 12. clamping a pipe; 13. a first sealing ring; 14. a clamping block; 15. a movable groove; 16. a spring; 17. a limiting block; 18. a limit column; 19. an outer sleeve; 20. an inner sleeve; 21. a second sealing ring; 22. a threaded hole; 23. and (3) a screw.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a relief pressure valve for liquefied petroleum gas steel bottle pressure control, including relief pressure valve body 1 and installation piece 2, the equal fixedly connected with connecting cylinder 9 of 1 outer surface left portion fixedly connected with intake pipe of relief pressure valve body, the one end fixedly connected with installation mechanism 4 of 1 is kept away from to intake pipe 3, intake pipe 3 surface upper portion is provided with manometer 5, the 1 outer surface right part fixedly connected with outlet duct 6 of relief pressure valve, the one end fixedly connected with coupling mechanism 7 of 1 is kept away from to outlet duct 6, open at installation piece 2 right-hand member middle part has draw-in groove 8, equal fixedly connected with connecting cylinder 9 of installation piece 2 right-hand member upper portion and right-hand member lower part, all open at two connecting cylinder 9 right-hand member has mounting groove 10.

In this embodiment, the installation mechanism 4 includes connecting block 11, connecting block 11 left end middle part fixedly connected with clamping tube 12, clamping tube 12 left end fixedly connected with sealing washer 13, connecting block 11 left end upper portion and the equal fixedly connected with block 14 of left end lower part, two block 14 inside all open has movable groove 15, the equal fixedly connected with spring 16 of the inslot wall that two movable grooves 15 are close to clamping tube 12 one side, the equal fixedly connected with stopper 17 of one end that two springs 16 kept away from movable groove 15 inslot wall, the equal fixedly connected with spacing post 18 of one end that two stoppers 17 kept away from spring 16, connecting block 11 right-hand member and intake pipe 3 fixedly connected with, clamping tube 12 and the equal closely laminating of a sealing washer 13 surface and clamping groove 8 inslot wall, two block 14 respectively with two mounting groove 10 block connection, two stopper 17 surface respectively with two movable groove 15 inslot wall swing joint, two spacing post 18 keep away from the one end of stopper 17 respectively with the spacing hole block connection on two connecting cylinders 9.

In this embodiment, the connection mechanism 7 includes an outer sleeve 19, an inner sleeve 20 is fixedly connected to the inner left wall of the outer sleeve 19, a second sealing ring 21 is fixedly connected to the outer surface of the inner sleeve 20, a threaded hole 22 is formed in the upper portion of the outer surface of the outer sleeve 19, a screw 23 is connected to the threaded hole 22 in a threaded manner, the left end of the outer sleeve 19 is fixedly connected to the air outlet pipe 6, and the end portion of the screw 23 is located between the outer surface of the inner sleeve 20 and the inner wall of the outer sleeve 19.

It should be noted that, the utility model is a pressure reducing valve for controlling the pressure of a liquefied petroleum gas steel bottle, the installation block 2 is fixedly installed on the liquefied petroleum gas steel bottle, in the use process, two limit posts 18 are pressed, two limit posts 18 respectively squeeze two springs 16 through two limit blocks 17, simultaneously two limit posts 18 respectively retract towards two movable grooves 15, then two clamping blocks 14 are respectively clamped into two installation grooves 10, two limit posts 18 respectively pop out from limit holes opened on two connecting cylinders 9 under the reset of the elasticity of springs 16, in the installation process, the clamping tube 12 carries a first seal ring 13 and is clamped into the clamping groove 8 at the same time, so that the pressure reducing valve body 1 is convenient to install with the liquefied petroleum gas steel bottle, and also convenient to detach and replace or overhaul, after the pressure reducing valve body 1 is installed with the liquefied petroleum gas steel bottle, the inner wall of a hose is sleeved with the outer surface of the inner sleeve 20, so that a second seal ring 21 is tightly attached to the inner wall of the hose, and simultaneously one end of the hose is positioned in a gap between the inner sleeve 20 and the outer sleeve 19, and the end of the screw 23 is tightly penetrated through the outer surface of the outer sleeve 19 by rotating the screw 23, so that the end of the screw 23 is tightly attached to the outer surface of the hose body and is tightly attached to the hose body, and the hose body is prevented from leaking and leakage is caused by the hose body.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a relief pressure valve for liquefied petroleum gas steel bottle pressure control, includes relief pressure valve body (1) and installation piece (2), its characterized in that: the novel pressure reducing valve comprises a pressure reducing valve body (1), wherein an air inlet pipe (3) is fixedly connected to the left part of the outer surface of the pressure reducing valve body (1), a mounting mechanism (4) is fixedly connected to one end, away from the pressure reducing valve body (1), of the air inlet pipe (3), a pressure gauge (5) is arranged on the upper part of the outer surface of the air inlet pipe (3), an air outlet pipe (6) is fixedly connected to the right part of the outer surface of the pressure reducing valve body (1), a connecting mechanism (7) is fixedly connected to one end, away from the pressure reducing valve body (1), of the air outlet pipe (6), a clamping groove (8) is formed in the middle of the right end of a mounting block (2), connecting cylinders (9) are fixedly connected to the upper part and the lower part of the right end of the mounting block (2), and mounting grooves (10) are formed in the right ends of the connecting cylinders (9);

the mounting mechanism (4) comprises a connecting block (11), a clamping tube (12) is fixedly connected to the middle part of the left end of the connecting block (11), a first sealing ring (13) is fixedly connected to the left end of the clamping tube (12), clamping blocks (14) are fixedly connected to the upper part of the left end and the lower part of the left end of the connecting block (11), movable grooves (15) are formed in the clamping blocks (14), springs (16) are fixedly connected to the inner walls of the grooves of the movable grooves (15) close to one side of the clamping tube (12), limiting blocks (17) are fixedly connected to one ends of the inner walls of the grooves of the movable grooves (15) away from each other, and limiting columns (18) are fixedly connected to one ends of the limiting blocks (17) away from the springs (16).

2. A pressure relief valve for use in pressure control of a liquefied petroleum gas cylinder as claimed in claim 1, wherein: the right end of the connecting block (11) is fixedly connected with the air inlet pipe (3), the outer surfaces of the clamping pipe (12) and the first sealing ring (13) are tightly attached to the inner wall of the clamping groove (8), and the two clamping blocks (14) are respectively connected with the two mounting grooves (10) in a clamping mode.

3. A pressure relief valve for use in pressure control of a liquefied petroleum gas cylinder as claimed in claim 1, wherein: the outer surfaces of the two limiting blocks (17) are respectively and movably connected with the inner walls of the two movable grooves (15), and one ends of the two limiting columns (18) which are far away from the limiting blocks (17) are respectively and fixedly connected with limiting holes on the two connecting cylinders (9).

4. A pressure relief valve for use in pressure control of a liquefied petroleum gas cylinder as claimed in claim 1, wherein: the connecting mechanism (7) comprises an outer sleeve (19), an inner sleeve (20) is fixedly connected to the inner left wall of the outer sleeve (19), a second sealing ring (21) is fixedly connected to the outer surface of the inner sleeve (20), a threaded hole (22) is formed in the upper portion of the outer surface of the outer sleeve (19), and a screw (23) is connected to the threaded hole (22) in an internal threaded mode.

5. A pressure relief valve for use in pressure control of a liquefied petroleum gas cylinder as claimed in claim 4, wherein: the left end of the outer sleeve (19) is fixedly connected with the air outlet pipe (6), and the end part of the screw rod (23) is positioned between the outer surface of the inner sleeve (20) and the inner wall of the outer sleeve (19).