CN212718233U

CN212718233U - Command device

Info

Publication number: CN212718233U
Application number: CN202021529500.1U
Authority: CN
Inventors: 郑安力; 戎飚; 汪洋; 蒋晓屏
Original assignee: Terrence Energy Co ltd
Current assignee: Terrence Energy Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-16
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a commander, include: the pressure stabilizing unit is provided with an air inlet, the pressure regulating unit is provided with a pressure regulating air outlet, the pressure stabilizing unit is further provided with a pressure stabilizing air outlet, the pressure stabilizing air outlet is arranged in the circumferential direction of the pressure stabilizing cavity and is at least provided with two pressure stabilizing air outlets for communicating with the involucra upper cavity of the gas pressure regulating valve. Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides a steady voltage gas outlet is seted up through the steady voltage chamber circumference at steady voltage unit to the commander, and gaseous intracavity has reduced gas volume and gas flow rate on passing through the involucra of steady voltage outlet direct flow to the gas air-vent valve, simultaneously, compares original from below installation pipeline from both sides installation pipeline, greatly is convenient for install.

Description

Command device

Technical Field

The utility model relates to a gas pressure regulating equipment technical field particularly, relates to a commander.

Background

An ideal gas supply system that delivers gas from the wellhead to the end user does not require a pressure regulator, and such an ideal supply system is maintained under conditions of constant user demand and constant supply capacity from the mine, while being consistent between the two, such a system is virtually impossible. Therefore, the gas pressure regulator is produced at the same time.

The gas pressure regulator is specially suitable for gas transmission and distribution system as gas pressure regulating equipment for regulating pressure and stabilizing pressure, and is widely applied to gas transmission and distribution engineering. The pressure regulating device has the function of automatically regulating the pressure of the gas outlet, so that the gas outlet is stabilized in a certain pressure range, the pressure value required by a user is met, and the use requirement is met. With supporting commander that uses of gas pressure regulator, the commander passes through pressure regulating spring and adjusts gas pressure regulator output pressure, and current commander when installation, generally is connected gas outlet 9K and pressure regulator low reaches 9H below the pressure stabilizing cavity through the pipeline, and this connected mode not only connects inconveniently, and the air current is big simultaneously, and the air current is fast.

In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a command device to make it more practical.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a commander aims at solving prior art, and the commander crosses the technical problem that the gas volume is big, the air current is fast.

The utility model provides a commander, include: the pressure stabilizing unit is provided with an air inlet, the pressure regulating unit is provided with a pressure regulating air outlet, the pressure stabilizing unit is further provided with a pressure stabilizing air outlet, the pressure stabilizing air outlet is arranged in the circumferential direction of the pressure stabilizing cavity and is at least provided with two pressure stabilizing air outlets for communicating with the involucra upper cavity of the gas pressure regulating valve.

Further, the pressure stabilizing unit comprises a pressure stabilizer differential spring, a pressure stabilizer valve rod, a pressure stabilizer membrane, a filter element, a pressure stabilizer valve port spring and a pressure stabilizer valve port pad;

the pressure stabilizer differential spring is sleeved on the pressure stabilizer valve rod and arranged above the pressure stabilizer leather membrane;

the valve port spring of the pressure stabilizer is sleeved on the valve port pad of the pressure stabilizer;

the end part of the valve port pad of the pressure stabilizer is propped against one end of the pressure stabilizing valve rod, which is far away from the pressure differential spring of the pressure stabilizer;

the filter core and the valve port pad of the pressure stabilizer are concentrically arranged and used for filtering impurities in gas.

Further, the pressure stabilizing unit further comprises an upper cavity gland, and a feedback gas inlet communicated with the upper space of the pressure stabilizer leather membrane is formed in the upper cavity gland and is used for being connected with the downstream of the pressure regulator.

Further, the pressure regulating unit comprises a commander regulating screw rod, a pressure regulating spring, a commander diaphragm, a commander valve port spring and a commander diaphragm connecting piece;

the pressure regulating spring is arranged below the commander leather membrane connecting piece through an upper spring pressing plate;

the pilot regulating screw is arranged below the pressure regulating spring through a lower spring pressing plate and used for regulating the elasticity of the pressure regulating spring;

the commander valve port spring is arranged above the commander diaphragm connecting piece.

Further, the pressure regulating unit further comprises a sealing cover arranged above the pressure regulating unit, and a feedback air inlet is formed in the sealing cover and used for being connected with the downstream of the pressure regulator.

Furthermore, the pressure regulating unit is also provided with a flow limiting port for connecting with the downstream of the pressure regulator and enabling pressure to flow into the pressure regulating unit when the downstream of the pressure regulator displaces.

Compared with the prior art, the beneficial effects of the utility model reside in that, the utility model provides a steady voltage gas outlet is seted up through the steady voltage chamber circumference at steady voltage unit to the commander, and gaseous intracavity has reduced gas volume and gas flow rate on passing through the involucra of steady voltage outlet direct flow to the gas air-vent valve, simultaneously, compares original from below installation pipeline from both sides installation pipeline, greatly is convenient for install.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic overall structure diagram of a director provided in an embodiment of the present invention;

fig. 2 is a top view of a director provided in an embodiment of the present invention;

fig. 3 is a schematic view illustrating an installation of a director provided in an embodiment of the present invention;

fig. 4 is a schematic position diagram for embodying a voltage stabilization cavity provided in the embodiment of the present invention;

reference numerals: 1. a voltage stabilization unit; 11. a regulator differential pressure spring; 12. a pressure stabilizing valve stem; 13. a potentiostat membrane; 14. a filter element; 15. a valve port spring of the voltage stabilizer; 16. a potentiostat valve orifice pad; 17. an upper cavity gland; 2. a voltage regulating unit; 21. a director adjusting screw; 211. steel balls; 22. a lower spring pressure plate; 23. a pressure regulating spring; 24. an upper spring pressure plate; 25. a commander involucra; 26. a commander valve port; 27. a commander valve port spring; 28. a commander involucra connector; 29. sealing the cover; 3. a director valve body, 4 and a pressure stabilizing cavity; 9A, an air inlet; 9B, a pressure stabilizing gas outlet; 9C, a pressure regulating gas outlet; 9D, a feedback gas inlet; 9E, a flow limiting port; 9F, a membrane upper cavity; 9G, a cavity under the epithelial membrane; 9H, downstream of the pressure regulator; 9K and an air outlet.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 4, it can be seen that the director provided in the embodiment of the present invention includes: the pressure stabilizing unit 1 and the pressure regulating unit 2 are provided with an air inlet 9A on the pressure stabilizing unit 1, a pressure regulating air outlet 9C is arranged on the pressure regulating unit 2, a pressure stabilizing air outlet 9B is further arranged on the pressure stabilizing unit 1, the pressure stabilizing air outlet 9B is arranged in the circumferential direction of the pressure stabilizing cavity 4 and is at least arranged in two directions and communicated with a membrane upper cavity 9F of the gas pressure regulating valve, and during specific connection, an original gas outlet 9k needs to be blocked by a plug, so that gas can flow out of the pressure stabilizing air outlet 9B. Compared with the prior art, the utility model provides a stable pressure gas outlet 9B is offered through 4 circumference in the steady voltage chamber of steady voltage unit 1 to the commander, has reduced the route that gas flowed through, simultaneously, shunts gas through two stable pressure gas outlets 9B, has reduced single gas outlet air capacity. Secondly, compare from the below installation pipeline of both sides installation pipeline, greatly be convenient for install.

In this embodiment, the pressure stabilizing unit 1 includes a pressure stabilizer differential spring 11, a pressure stabilizer valve rod 12, a pressure stabilizer involucra 13, a filter element 14, a pressure stabilizer valve port spring 15, a pressure stabilizer valve port pad 16, an upper cavity gland 17, wherein, the pressure stabilizer differential spring 11 is sleeved on the pressure stabilizer valve rod 12, and set up above the pressure stabilizer involucra 13, the pressure stabilizer valve port spring 15 is sleeved on the pressure stabilizer valve port pad 16, the end of the pressure stabilizer valve port pad 16 is abutted with the end of the pressure stabilizer valve rod 12 far away from the pressure stabilizer differential spring 11, the filter element 14 and the pressure stabilizer valve port pad 16 are concentrically arranged for filtering impurities in the gas. And a feedback gas inlet 9D communicated with the upper space of the pressure stabilizer leather membrane 13 is arranged on the upper cavity gland 17 and is used for being connected with the downstream 9H of the pressure regulator.

In this embodiment, the pressure regulating unit 2 includes a commander adjusting screw 21, a pressure regulating spring 23, a commander diaphragm 25, a commander valve port spring 27, a commander diaphragm connecting piece 28, and a sealing cover 29. Wherein, pressure regulating spring 23 passes through upper spring clamp plate 24 and sets up in commander involucra connecting piece 28 below, and commander adjusting screw 21 passes through lower spring clamp plate 22 and sets up in pressure regulating spring 23 below for adjust pressure regulating spring 23's elasticity, and commander valve port spring 27 sets up in commander involucra connecting piece 28 top, is provided with feedback gas inlet 9D on the closing cap 29, is used for being connected with voltage regulator low reaches 9H.

In this embodiment, the pressure regulating unit 2 is further provided with a flow restriction port 9E.

The director is connected with the following concrete connection when in use: the two feedback gas inlets 9D are communicated with the downstream 9H of the pressure regulator; the two pressure stabilizing gas outlets 9B are communicated with the epithelial upper cavity 9F; the pressure regulating gas outlet 9C is communicated with the involucra lower cavity 9G; the restriction 9E communicates with the regulator downstream 9H.

The director uses the following specific principle: the fuel gas enters the pressure stabilizing cavity 4 from the gas inlet 9A, and flows into the pressure regulating unit after being stabilized; the opening of the valve port is controlled by the pressure stabilizer differential spring 11 to control the opening of the pressure stabilizer valve flap to control the gas pressure in the pressure stabilizer cavity, and the gas is output to the membrane upper cavity 9F of the pressure regulator from the pressure stabilizer gas outlet 9B to control the opening and closing of the adjusting element; the stabilized gas enters the pressure regulating unit 2, the pressure regulating valve clack is controlled by the pressure regulating spring 23 to be opened and closed to regulate the gas pressure, and the regulated gas is connected with the lower cavity of the pressure regulator through the pressure regulating gas outlet 9C to keep the load force on two sides of the diaphragm so as to keep the valve cylinder at the relative position; when the downstream pressure of the outlet is changed, the feedback gas inlet 9D commands the position of the regulating valve clack, so that the opening of the valve cylinder of the pressure regulator is further regulated to keep the pressure of the outlet balanced; the flow restriction port 9E is connected to the downstream 9H of the pressure regulator, and when the lower chamber of the pressure regulator is displaced, the pressure in the lower chamber of the pressure regulating unit 2 flows into the downstream through the flow restriction port 9E.

It should be noted that the director provided by the embodiment of the present invention is especially suitable for FTO type voltage regulators (fail open type voltage regulators), and the original two directors of the FTO type voltage regulators are generally used, which is high in cost and large in volume; or the air inlet is controlled by adopting a throttling element such as a needle valve and the like, so that the precision is poor and the reliability is low. The director in this application uses one can, and the precision is high.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A director, comprising: pressure stabilizing unit (1), pressure regulating unit (2), be provided with air inlet (9A) on pressure stabilizing unit (1), be provided with pressure regulating gas outlet (9C) on pressure regulating unit (2), its characterized in that, still be provided with pressure regulating gas outlet (9B) on pressure stabilizing unit (1), pressure regulating gas outlet (9B) sets up in pressure stabilizing cavity (4) circumference, and sets up two at least for with involucra epicoele (9F) intercommunication of gas air-vent valve.

2. The commander of claim 1, wherein the pressure-stabilizing unit (1) comprises a pressure-stabilizing differential spring (11), a pressure-stabilizing valve rod (12), a pressure-stabilizing membrane (13), a filter core (14), a pressure-stabilizing valve port spring (15) and a pressure-stabilizing valve port pad (16);

the pressure stabilizer differential spring (11) is sleeved on the pressure stabilizer valve rod (12) and is arranged above the pressure stabilizer leather membrane (13);

the valve port spring (15) of the pressure stabilizer is sleeved on the valve port pad (16) of the pressure stabilizer;

the end part of the pressure stabilizer valve port gasket (16) is abutted against one end of the pressure stabilizer valve rod (12) far away from the pressure stabilizer differential spring (11);

the filter element (14) and the pressure stabilizer valve opening gasket (16) are arranged concentrically and used for filtering impurities in gas.

3. The commander of claim 2, wherein the pressure stabilizer unit (1) further comprises an upper cavity gland (17), and a feedback air inlet (9D) communicated with the upper space of the pressure stabilizer membrane (13) is arranged on the upper cavity gland (17) and is used for being connected with a downstream (9H) of the pressure regulator.

4. The commander of claim 1, wherein the pressure regulating unit (2) comprises a commander regulating screw (21), a pressure regulating spring (23), a commander diaphragm (25), a commander valve port spring (27) and a commander diaphragm connecting piece (28);

the pressure regulating spring (23) is arranged below the director skin membrane connecting piece (28) through an upper spring pressing plate (24);

the commander adjusting screw (21) is arranged below the pressure regulating spring (23) through a lower spring pressing plate (22) and used for adjusting the elastic force of the pressure regulating spring (23);

the commander valve port spring (27) is arranged above the commander diaphragm connecting piece (28).

5. The commander of claim 4, wherein the pressure regulating unit (2) further comprises an upper cover (29), and the cover (29) is provided with a feedback air inlet (9D) for connecting with a pressure regulator downstream (9H).

6. The commander of claim 5, wherein the pressure regulating unit (2) is further provided with a restriction opening (9E) for connection with the downstream (9H) of the pressure regulator for inflow of pressure when the downstream (9H) of the pressure regulator is displaced.