CN213064781U

CN213064781U - Stable form gas pressure regulator

Info

Publication number: CN213064781U
Application number: CN202021858612.1U
Authority: CN
Inventors: 金国平; 刘宏亮; 耿学顺
Original assignee: Jiangsu Coshin Gas Equipment Co ltd
Current assignee: Jiangsu Coshin Gas Equipment Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-27
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a stable gas pressure regulator, which comprises a valve body, wherein a gas inlet is arranged on one side of the valve body, a gas outlet is arranged on one side of the valve body away from the gas inlet, a stop valve is arranged on one side of the gas outlet, a pressure stabilizing cavity is arranged on one side of the gas inlet and inside the valve body, a separation plate is arranged at the top of the pressure stabilizing cavity, a piston assembly is arranged above the separation plate and inside the valve body, a shell is arranged at the top end of the valve body, and a pressure regulating mechanism is arranged inside the shell; the casing is including setting up the casing one on the valve body top, and the top of casing one is provided with casing two, and the excircle of casing two is provided with the observation window, and one side of observation window is provided with the scale mark, and the through-hole has been seted up to the inside of casing one, and the pore wall symmetry of through-hole is provided with the spout, and the gas entrance is provided with the check valve. Has the advantages that: structural design is reasonable, makes this gas pressure regulator can accurate, stable control gas's atmospheric pressure, has easy operation simultaneously, the high advantage of security.

Description

Stable form gas pressure regulator

Technical Field

The utility model relates to an air-vent valve technical field particularly, relates to a stable form gas pressure regulator.

Background

The fuel gas is a general term for gas fuel, and can be combusted to release heat for residents and industrial enterprises. The gas is of various types, mainly including natural gas, artificial gas, liquefied petroleum gas, methane and coal gas. The gas is by producing the place through the pipe-line transportation to the gas station, then is carrying to user's department, just need use various valves and regulator in the gas transportation process, at present, gas pressure regulator wide application is on town gas pipeline, but traditional gas pressure regulator structure is complicated, and the pressure regulating process is loaded down with trivial details in the use, does not have voltage regulator after adjusting, can cause the unstable condition of atmospheric pressure to appear, and traditional regulator generally all is the scope to be adjusted in addition, can't accomplish accurate regulation.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a stable form gas pressure regulator possesses easy operation, and the security is high advantage, and then solves the problem that traditional pressure regulator pressure regulating operation is complicated, atmospheric pressure is unstable.

(II) technical scheme

For realizing above-mentioned easy operation, the high advantage of security, the utility model discloses a specific technical scheme as follows:

a stable gas pressure regulator comprises a valve body, wherein a gas inlet is formed in one side of the valve body, a gas outlet is formed in one side, away from the gas inlet, of the valve body, a stop valve is arranged on one side of the gas outlet, a pressure stabilizing cavity is formed in one side of the gas inlet and located inside the valve body, a blocking plate is arranged at the top of the pressure stabilizing cavity, a piston assembly is arranged above the blocking plate and located inside the valve body, a shell is arranged at the top end of the valve body, and a pressure regulating mechanism is arranged inside the shell; the casing is including setting up the casing one on the valve body top, and the top of casing one is provided with casing two, and the excircle of casing two is provided with the observation window, and one side of observation window is provided with the scale mark, and the through-hole has been seted up to the inside of casing one, and the pore wall symmetry of through-hole is provided with the spout, and the gas entrance is provided with the check valve.

Furthermore, in order to enable the conical hole in the blocking plate to be matched with the piston head, the piston head can be tightly attached to the conical hole to form sealing, the conical hole is formed in the middle of the blocking plate, and the hole diameter of the conical hole is gradually increased from the bottom to the top.

Furthermore, in order to play the roles of pressure stabilization and pressure maintaining, the cross section of the pressure stabilization cavity is of an oval structure, an air hole is formed in one side of the pressure stabilization cavity, and a bleeding valve is arranged on one side, away from the pressure stabilization cavity, of the air hole.

Further, in order to increase the sealing performance of the piston assembly, the piston assembly comprises a piston rod penetrating through the top of the valve body, a piston head is arranged at the bottom end of the piston rod, a sealing ring is arranged on the outer circle of the piston rod, a limiting disc is arranged on the top end of the piston rod and on the inner side of the first shell, a conical structure of the piston head is arranged, and the taper of the piston head is consistent with the taper of the conical hole.

Further, in order to improve the accuracy of the gas pressure regulator, the pressure regulating mechanism comprises an adjusting rotating wheel arranged on the top end of the shell, a screw rod is arranged at the middle position of the adjusting rotating wheel, a nut pressing block is arranged on the bottom of the screw rod and on the inner side excircle of the through hole, a sliding block is symmetrically arranged on the excircle of the nut pressing block, a spring is fixedly connected between the nut pressing block and a limiting disc, and an annular pointer is arranged on the top excircle of the screw rod.

(III) advantageous effects

Compared with the prior art, the utility model provides a stable form gas pressure regulator possesses following beneficial effect:

(1) the utility model has the advantages of reasonable design, make this gas pressure regulator can accurate, stable control gas's atmospheric pressure, have easy operation simultaneously, the high advantage of security.

(2) Through setting up the pressure stabilizing cavity, the gas that gets into by the gas entry at first gets into the pressure stabilizing cavity, reaches the default until atmospheric pressure, and the gas just can get into in the gas outlet by the pressure stabilizing cavity, has played the effect of steady voltage, pressurize, and the valve of diffusing can open the gas when the pressure stabilizing cavity is higher than the default and discharges to guarantee the safety of gas voltage regulator.

(3) Through setting up pressure regulating mechanism to make pressure regulating easy operation, cooperate through annular pointer and scale mark simultaneously, accomplish the setting of pressure regulating default, improved the accurate nature of this gas pressure regulator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a stable gas pressure regulator according to an embodiment of the present invention;

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

fig. 3 is a schematic diagram of the structure at B in fig. 2.

In the figure:

1. a valve body; 2. a gas inlet; 3. a gas outlet; 4. a stop valve; 5. a voltage stabilizing cavity; 6. a barrier plate; 7. a piston assembly; 701. a piston rod; 702. a piston head; 703. a seal ring; 704. a limiting disc; 8. a housing; 9. a pressure regulating mechanism; 901. adjusting the rotating wheel; 902. a screw rod; 903. pressing the nut; 904. a slider; 905. a spring; 906. a ring pointer; 10. a first shell; 11. a second shell; 12. an observation window; 13. scale lines; 14. a through hole; 15. a chute; 16. a one-way valve; 17. a tapered hole; 18. air holes; 19. a bleeding valve.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a stable form gas pressure regulator.

The present invention will be further explained with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-3, according to the stable gas pressure regulator of the embodiment of the present invention, the stable gas pressure regulator includes a valve body 1, one side of the valve body 1 is provided with a gas inlet 2, one side of the valve body 1 away from the gas inlet 2 is provided with a gas outlet 3, one side of the gas outlet 3 is provided with a stop valve 4, one side of the gas inlet 2 and located inside the valve body 1 is provided with a pressure stabilizing cavity 5, the top of the pressure stabilizing cavity 5 is provided with a blocking plate 6, a piston assembly 7 is arranged above the blocking plate 6 and located inside the valve body 1, the top of the valve body 1 is provided with a housing 8, and the inside of; the casing 8 is including setting up the casing 10 on 1 top of valve body, and the top of casing 10 is provided with casing two 11, and the excircle of casing two 11 is provided with observation window 12, and one side of observation window 12 is provided with scale mark 13, and through-hole 14 has been seted up to the inside of casing one 10, and the pore wall symmetry of through-hole 14 is provided with spout 15, and gas entry 2 department is provided with check valve 16.

By means of the above scheme to make structural design reasonable, make this gas pressure regulator can accurate, stable control gas's atmospheric pressure, have easy operation simultaneously, the high advantage of security.

In one embodiment, the middle position of the blocking plate 6 is provided with a tapered hole 17, and the aperture of the tapered hole 17 is gradually increased from the bottom to the top, so that the tapered hole 17 on the blocking plate 6 is matched with the piston head 702, the piston head 702 can be tightly attached to the tapered hole 17 to form a seal, and only when the air pressure in the pressure stabilizing cavity 5 reaches a preset air pressure, the piston head 702 is opened to enable the air passage to be smooth, thereby keeping the constant pressure delivery of the fuel gas.

In one embodiment, the cross section of the pressure stabilizing cavity 5 is an oval structure, an air hole 18 is formed in one side of the pressure stabilizing cavity 5, a bleeding valve 19 is arranged on one side, away from the pressure stabilizing cavity 5, of the air hole 18, the bleeding valve 19 can be externally connected with a fuel gas storage device in practical application, fuel gas entering from the fuel gas inlet 2 firstly enters the pressure stabilizing cavity 5 through the arrangement of the pressure stabilizing cavity 5, the fuel gas can enter the fuel gas outlet 3 through the pressure stabilizing cavity 5 until the air pressure reaches a preset value, the effects of pressure stabilizing and pressure maintaining are achieved, and when the pressure stabilizing cavity 5 is higher than the preset value, the bleeding valve 19 can be opened to discharge the fuel gas so as to guarantee the safety of the fuel gas pressure.

In one embodiment, the piston assembly 7 includes a piston rod 701 penetrating the top of the valve body 1, a piston head 702 is disposed at the bottom end of the piston rod 701, a sealing ring 703 is disposed on the outer circle of the piston rod 701, a limiting disc 704 is disposed at the top end of the piston rod 701 and located inside the first housing 10, the piston head 702 is in a conical structure, and the taper of the piston head 702 is consistent with the taper of the tapered hole 17, so that the sealing ring 703 is matched with the piston rod 701, the sealing performance of the piston assembly 7 is improved, and it is ensured that the gas pressure regulator does not leak during operation.

In one embodiment, the pressure regulating mechanism 9 comprises a regulating rotating wheel 901 arranged at the top end of the housing II 11, a lead screw 902 is arranged at the middle position of the regulating rotating wheel 901, a nut pressing block 903 is arranged at the bottom of the lead screw 902 and on the inner outer circle of the through hole 14, sliding blocks 904 are symmetrically arranged on the outer circle of the nut pressing block 903, the sliding blocks 904 are matched with the sliding grooves 15, the freedom degree of the nut pressing block 903 is limited, the nut pressing block 903 can only move up and down along the through hole 14 without rotating, a spring 905 is fixedly connected between the nut pressing block 903 and the limiting disc 704, an annular pointer 906 is arranged on the outer circle of the top of the lead screw 902, so that the lead screw 902 is driven to rotate by rotating the regulating rotating wheel 901 to drive the nut pressing block 903 to move down along the through hole 14, the spring 905 is compressed, the piston assembly 7 is tightly attached to the tapered hole 17 under the action of, the gas pressure regulator is accurate due to the fact that the pressure regulating preset value is set.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the adjusting rotating wheel 901 is rotated to drive the screw rod 902 to rotate so as to drive the nut pressing block 903 to move downwards along the through hole 14, the spring 905 is compressed, the piston assembly 7 is tightly attached to the tapered hole 17 under the action of the spring 905, meanwhile, the annular pointer 906 is matched with the scale mark 13 to complete the setting of the pressure-regulating preset value, gas entering from the gas inlet 2 firstly enters the pressure-stabilizing cavity 5 until the air pressure reaches the preset value, the piston head 702 is pushed to move upwards under the action of the air pressure to enable the air passage to be smooth, and the gas can enter the gas outlet 3 from the pressure-stabilizing cavity 5, so that the stable constant-pressure conveying is realized.

To sum up, with the help of the above technical scheme of the utility model, through setting up pressure stabilizing cavity 5, the gas that gets into by gas entry 2 at first gets into pressure stabilizing cavity 5 in, reaches the default until atmospheric pressure, the gas just can get into in gas export 3 by pressure stabilizing cavity 5, has played the effect of steady voltage, pressurize, diffuses valve 19 and can open the gas when pressure stabilizing cavity 5 is higher than the default and discharge to guarantee the safety of gas pressure regulator. Through setting up pressure regulating mechanism 9 to make the pressure regulating easy operation, cooperate through annular pointer 906 and scale mark 13 simultaneously, accomplish the setting of pressure regulating default, improved the accurate nature of this gas pressure regulator. Thereby make structural design reasonable, make this gas pressure regulator can accurate, stable control gas's atmospheric pressure, have easy operation simultaneously, the high advantage of security.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The stable gas pressure regulator is characterized by comprising a valve body (1), wherein a gas inlet (2) is formed in one side of the valve body (1), a gas outlet (3) is formed in one side, away from the gas inlet (2), of the valve body (1), a stop valve (4) is arranged on one side of the gas outlet (3), a pressure stabilizing cavity (5) is formed in one side of the gas inlet (2) and located in the valve body (1), a blocking plate (6) is arranged at the top of the pressure stabilizing cavity (5), a piston assembly (7) is arranged above the blocking plate (6) and located in the valve body (1), a shell (8) is arranged at the top end of the valve body (1), and a pressure regulating mechanism (9) is arranged in the shell (8);

casing (8) are including setting up casing (10) on valve body (1) top, the top of casing (10) is provided with casing two (11), the excircle of casing two (11) is provided with observation window (12), one side of observation window (12) is provided with scale mark (13), through-hole (14) have been seted up to the inside of casing (10), the pore wall symmetry of through-hole (14) is provided with spout (15), gas entry (2) department is provided with check valve (16).

2. The stable gas pressure regulator according to claim 1, wherein the middle of the blocking plate (6) is provided with a tapered hole (17), and the diameter of the tapered hole (17) increases from the bottom to the top.

3. A stable type gas pressure regulator according to claim 2, wherein the cross section of the pressure stabilizing cavity (5) is an oval structure, and an air hole (18) is formed in one side of the pressure stabilizing cavity (5), and a bleeding valve (19) is arranged on one side of the air hole (18) far away from the pressure stabilizing cavity (5).

4. A stabilized gas pressure regulator according to claim 3, wherein the piston assembly (7) comprises a piston rod (701) passing through the top of the valve body (1), the bottom end of the piston rod (701) is provided with a piston head (702), the outer circle of the piston rod (701) is provided with a sealing ring (703), and the top end of the piston rod (701) and the inner side of the first housing (10) are provided with a limiting disc (704).

5. A stabilized gas pressure regulator according to claim 4, wherein said piston head (702) is of a conical configuration and wherein the taper of said piston head (702) corresponds to the taper of said tapered bore (17).

6. The stable gas pressure regulator according to claim 5, wherein the pressure regulating mechanism (9) includes an adjusting wheel (901) disposed at the top end of the second housing (11), a lead screw (902) is disposed at a middle position of the adjusting wheel (901), a nut pressing block (903) is disposed at a bottom of the lead screw (902) and on an inner outer circle of the through hole (14), sliding blocks (904) are symmetrically disposed on an outer circle of the nut pressing block (903), a spring (905) is fixedly connected between the nut pressing block (903) and the limiting disc (704), and an annular pointer (906) is disposed on an outer circle of a top portion of the lead screw (902).