CN220396624U

CN220396624U - Gas pressure regulating device for gas pipeline

Info

Publication number: CN220396624U
Application number: CN202321467030.4U
Authority: CN
Inventors: 王礼军; 张宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-01-26
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a gas pressure regulating device for a gas pipeline, and relates to the technical field of gas pressure regulators. The utility model comprises a pressure regulating valve, wherein an upper air chamber, a pressure regulating chamber and a lower air chamber are sequentially arranged from top to bottom, the inner walls of two sides of the lower air chamber are respectively provided with an air conveying pipe and an air inlet pipe which are communicated with each other, and the pressure regulating valve is internally and sequentially provided with a pressure stabilizing component for stabilizing the air pressure in the lower air chamber and a pressure regulating component for regulating the air pressure in the upper air chamber so as to regulate the air conveying pressure. According to the utility model, the pressure regulating assembly is arranged, so that when the rated pressure value of pressure regulation needs to be changed, the pressure regulating screw rod can be driven to rotate by the regulating motor, and then the pressure regulating frame is driven to move up and down in the pressure regulating chamber by the regulating screw cylinder and the bracket, so that the actual volume in the upper air chamber is changed, and the air pressure in the upper air chamber is changed due to the sealing in the upper air chamber, so that the regulation and control of the designated air pressure of air transmission are realized, and various use requirements are met.

Description

Gas pressure regulating device for gas pipeline

Technical Field

The utility model relates to the technical field of gas pressure regulators, in particular to a gas pressure regulating device for a gas pipeline.

Background

The gas pressure regulator is specially suitable for being used as a gas pressure regulating device for regulating and stabilizing pressure in a gas transmission and distribution system, is widely applied to gas transmission and distribution engineering, and has the function of automatically regulating the pressure of a gas outlet so as to ensure that the gas outlet is stabilized in a certain pressure range, thereby meeting the pressure value required by a user, meeting the use requirement and ensuring the safety of a gas transmission pipeline, a storage and transportation device or gas in daily use.

The utility model discloses a gas conveying pressure regulating device, which is disclosed in Chinese patent publication No. CN218818397U, wherein a pressure regulating valve, a heating protecting shell and a heater are arranged on two sides of the pressure regulating valve, a gas inlet pipe and a gas outlet pipe are arranged on the inner side of the heating protecting shell, a pipeline heating ring is arranged on the inner side of the heating protecting shell, the heater is electrically connected with the pipeline heating ring, high-pressure reduction safety control work can be effectively implemented through the pressure regulating valve, and ice blocking phenomena of the gas inlet pipe and the gas outlet pipe can be prevented.

Aiming at the above-mentioned open technology, the existing gas delivery pressure regulating device divides the valve body into two cavities through the diaphragm, wherein the air pressure above the diaphragm keeps consistent with the external air pressure, the air pressure below the diaphragm changes along with the change of the internal air pressure of the pipeline, therefore, the air pressure in the pipeline can only be finally stabilized consistent with the external air pressure, and can not be flexibly regulated according to the use requirement, and therefore, the gas pressure regulating device for the gas pipeline is provided.

Disclosure of Invention

The utility model aims at: the utility model provides a gas pressure regulating device for a gas pipeline, which aims to solve the problems that the existing gas conveying pressure regulating device divides a valve body into two cavities through a diaphragm, wherein the pressure above the diaphragm keeps consistent with the external pressure, and the pressure below the diaphragm changes along with the change of the internal pressure of the pipeline, so that the pressure in the pipeline can only be finally stabilized consistent with the external pressure and cannot be flexibly regulated according to the use requirement.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a gas pressure regulating device for gas pipeline, includes the air-vent valve, the air-vent valve has set gradually air chamber, pressure regulating chamber, lower air chamber from top to bottom, be provided with gas-supply pipe, the intake pipe that is linked together on the both sides inner wall of lower air chamber respectively, the inside of air-vent valve is set gradually from bottom to top and is used for stabilizing the steady voltage subassembly of the inside atmospheric pressure of lower air chamber and be used for regulating and control the interior atmospheric pressure of air chamber thereby regulate and control the pressure regulating subassembly of gas-supply atmospheric pressure.

Further, the voltage stabilizing component comprises a voltage regulating frame which is arranged in the voltage regulating chamber and is matched with the voltage regulating chamber, an elastic membrane is fixedly arranged in the voltage regulating frame, a movable block is fixedly arranged at the center position of the elastic membrane, a movable rod is fixedly arranged at the bottom of the movable block, a connecting rod is fixedly arranged on the side wall of the bottom end of the movable rod, a movable door corresponding to the position of the air inlet pipe is slidably arranged on the inner wall of the lower air chamber, one end of the connecting rod is fixedly arranged on the side wall of the movable door, and the voltage regulating component is positioned in the upper air chamber.

Further, the pressure regulating assembly comprises a regulating motor fixedly mounted on the inner wall of the top of the upper air chamber, a pressure regulating screw is mounted on the output shaft of the regulating motor, a regulating screw barrel is screwed at the bottom end of the pressure regulating screw, a support is fixedly mounted at the bottom end of the regulating screw barrel, and the bottom of the support is fixedly mounted around the top of the pressure regulating frame.

Further, a guide frame matched with the movable rod and the connecting rod is fixedly arranged on the inner wall of the bottom of the lower air chamber.

Further, the shape of the elastic membrane is of a folding structure, and sealing rings matched with the inner wall of the pressure regulating chamber are fixedly arranged at the top and the bottom of the pressure regulating frame.

Further, the inside of the upper air chamber and the lower air chamber is provided with an air pressure sensor, a temperature control sleeve is fixedly sleeved on the periphery of the bottom of the pressure regulating valve, and two water delivery pipes communicated with the inside of the temperature control sleeve are arranged on one side of the temperature control sleeve.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the pressure regulating assembly is arranged, so that when the rated pressure value of pressure regulation needs to be changed, the pressure regulating screw rod can be driven to rotate by the regulating motor, and then the pressure regulating frame is driven to move up and down in the pressure regulating chamber by the regulating screw cylinder and the bracket, so that the actual volume in the upper air chamber is changed, and the air pressure in the upper air chamber is changed due to the sealing in the upper air chamber, so that the regulation and control on the designated air pressure of air transmission are realized, and various use requirements are met;

2. according to the utility model, the pressure stabilizing component is arranged to change the air transmission quantity of the air inlet pipe, and the air pressure in the lower air chamber is changed until the air pressures of the upper air chamber and the lower air chamber are consistent, so that the function of stabilizing the air transmission pressure is realized, the folding structure of the elastic membrane can enable the elastic membrane to have a larger deformation space, the elastic membrane can not be easily damaged, and the accurate values of the air pressures in the upper air chamber and the lower air chamber can be obtained through the arrangement of the air pressure sensor, so that the pressure regulation and the danger early warning are convenient to carry out;

3. according to the utility model, the temperature control sleeve is arranged, and the water delivery pipe is externally connected with cold water or hot water and is used for delivering, so that the cooling or heating of the internal environment of the pressure regulating valve is realized, the pressure regulating valve can be used at various environment temperatures, and the use stability and safety of the pressure regulating valve are effectively improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a first perspective view of the interior of the pressure regulating valve according to the present utility model;

FIG. 3 is a schematic view of a second perspective view of the interior of the pressure regulating valve of the present utility model;

FIG. 4 is a schematic view of the structure of FIG. 3A according to the present utility model;

reference numerals: 1. a pressure regulating valve; 101. an upper air chamber; 102. a pressure regulating chamber; 103. a lower air chamber; 2. a gas pipe; 3. an air inlet pipe; 4. a pressure regulating frame; 5. an elastic film; 6. a movable block; 7. a movable rod; 8. a connecting rod; 9. a movable door; 10. regulating and controlling a motor; 11. regulating and controlling a screw cylinder; 12. a bracket; 13. a guide frame; 14. a seal ring; 15. an air pressure sensor; 16. a temperature control sleeve; 17. a water pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 4, a gas pressure regulating device for a gas pipeline comprises a pressure regulating valve 1, wherein the pressure regulating valve 1 is sequentially provided with an upper air chamber 101, a pressure regulating chamber 102 and a lower air chamber 103 from top to bottom, the inner walls of two sides of the lower air chamber 103 are respectively provided with a gas pipe 2 and a gas inlet pipe 3 which are communicated with each other, and the pressure regulating valve 1 is internally sequentially provided with a pressure stabilizing component for stabilizing the internal pressure of the lower air chamber 103 and a pressure regulating component for regulating the internal pressure of the upper air chamber 101 so as to regulate the gas pressure; specifically, this gas pressure regulating device is through setting up the steady voltage subassembly for when the atmospheric pressure in the lower air chamber 103 is greater than when the atmospheric pressure in the last air chamber 101, the steady voltage subassembly can shelter from the import of intake pipe 3, reduce the gas transmission volume of intake pipe 3, thereby reduce the atmospheric pressure in the lower air chamber 103, and similarly, when the atmospheric pressure is less than the atmospheric pressure in the last air chamber 101 in the lower air chamber 103, the steady voltage subassembly can improve the atmospheric pressure in the lower air chamber 103, until the two atmospheric pressure is unanimous, thereby realize the steady voltage function to the gas transmission atmospheric pressure, through setting up the pressure regulating subassembly, make when the rated pressure value of needs change steady voltage, the actual volume of the inside of last air chamber 101 can be changed through the pressure regulating subassembly, because of going up the internal seal of air chamber 101, so can change the atmospheric pressure in the last air chamber 101, and then realize the regulation and control to the gas transmission appointed atmospheric pressure, satisfy multiple user demand.

As shown in fig. 2, 3 and 4, the voltage stabilizing assembly comprises a voltage regulating frame 4 arranged in a voltage regulating chamber 102 and matched with the voltage regulating chamber 102, an elastic membrane 5 is fixedly arranged in the voltage regulating frame 4, a movable block 6 is fixedly arranged in the center of the elastic membrane 5, a movable rod 7 is fixedly arranged at the bottom of the movable block 6, a connecting rod 8 is fixedly arranged on the side wall of the bottom end of the movable rod 7, a movable door 9 corresponding to the position of the air inlet pipe 3 is slidably arranged on the inner wall of a lower air chamber 103, one end of the connecting rod 8 is fixedly arranged on the side wall of the movable door 9, and the voltage regulating assembly is positioned in an upper air chamber 101; specifically, through setting up the steady voltage subassembly for when the atmospheric pressure in the lower air chamber 103 is greater than when the atmospheric pressure in the upper air chamber 101, elastic membrane 5 in the pressure regulating frame 4 can receive the pressure effect and upwards bulge, and then drive movable rod 7 through movable block 6 and upwards remove, then drive movable door 9 through connecting rod 8 and upwards slide, shelter from the import of intake pipe 3, reduce the gas-supply volume of intake pipe 3, thereby reduce the atmospheric pressure in the lower air chamber 103, and in the same way, when the atmospheric pressure is less than the atmospheric pressure in the upper air chamber 101 in the lower air chamber 103, the steady voltage subassembly can improve the atmospheric pressure in the lower air chamber 103, until the two atmospheric pressures are unanimous, thereby realize the steady voltage function to the gas-supply atmospheric pressure.

As shown in fig. 2, the pressure regulating assembly comprises a regulating motor 10 fixedly installed on the inner wall of the top of the upper air chamber 101, a pressure regulating screw is installed on the output shaft drive of the regulating motor 10, a regulating screw barrel 11 is screwed at the bottom end of the pressure regulating screw, a bracket 12 is fixedly installed at the bottom end of the regulating screw barrel 11, and the bottom of the bracket 12 is fixedly installed around the top of the pressure regulating frame 4; specifically, through setting up the pressure regulating subassembly for when the rated pressure value of steady voltage needs to be changed, accessible regulation and control motor 10 drive pressure regulating screw rod is rotatory, and then drives pressure regulating frame 4 through regulation and control screw barrel 11, support 12 and reciprocate in pressure regulating chamber 102, thereby change the inside actual volume of upper air chamber 101, because of upper air chamber 101 internal seal, so can change the atmospheric pressure in the upper air chamber 101, and then realize the regulation and control to the appointed atmospheric pressure of gas transmission, satisfy multiple user demand.

As shown in fig. 3 and 4, a guide frame 13 matched with the movable rod 7 and the connecting rod 8 is fixedly arranged on the inner wall of the bottom of the lower air chamber 103; specifically, by arranging the guide frame 13, the movement of the movable rod 7 and the connecting rod 8 can be positioned and guided.

As shown in fig. 2, the elastic membrane 5 has a folded shape, and sealing rings 14 matched with the inner wall of the pressure regulating chamber 102 are fixedly arranged at the top and the bottom of the pressure regulating frame 4; specifically, by providing the seal rings 14, the tightness between the pressure regulating frame 4 and the inner wall of the pressure regulating chamber 102 can be improved from the upper side and the lower side, and the folded structure of the elastic membrane 5 can provide a larger deformation space, so that the elastic membrane 5 cannot be easily damaged.

As shown in fig. 1 and 2, the inside of the upper air chamber 101 and the lower air chamber 103 are respectively provided with an air pressure sensor 15, the bottom circumference side of the pressure regulating valve 1 is fixedly sleeved with a temperature control sleeve 16, and one side of the temperature control sleeve 16 is provided with two water delivery pipes 17 communicated with the inside of the temperature control sleeve 16; specifically, through setting up the accurate numerical value of the inside atmospheric pressure of air chamber 101, lower air chamber 103 can be known through setting up air pressure sensor 15, be convenient for carry out pressure regulating and dangerous early warning, through setting up control by temperature change cover 16, available raceway 17 external cold water or hot water are carried to realize cooling or heating to air-vent valve 1 internal environment, make air-vent valve 1 can use under multiple ambient temperature, effectively improve air-vent valve 1 stability and security of use.

To sum up: the fuel gas pressure regulating device is provided with a pressure regulating component, so that when the air pressure in a lower air chamber 103 is greater than the air pressure in an upper air chamber 101, an elastic membrane 5 in a pressure regulating frame 4 is upwards bulged under the action of pressure, a movable rod 7 is further driven to upwards move through a movable block 6, then a movable door 9 is driven to upwards slide through a connecting rod 8, the inlet of an air inlet pipe 3 is shielded, the air delivery quantity of the air inlet pipe 3 is reduced, the air pressure in the lower air chamber 103 is reduced, and similarly, when the air pressure in the lower air chamber 103 is lower than the air pressure in the upper air chamber 101, the pressure regulating component can improve the air pressure in the lower air chamber 103 until the air pressure is consistent, thereby realizing the pressure regulating function of the air delivery air pressure, when the pressure regulating rated pressure value is required to be changed, the pressure regulating screw can be driven to rotate through a regulating motor 10, and the pressure regulating frame 4 is further driven to upwards and downwards move in a pressure regulating chamber 102 through a regulating screw 11 and a bracket 12, the actual volume inside the upper air chamber 101 is changed, the air pressure inside the upper air chamber 101 is changed due to the sealing inside the upper air chamber 101, the regulation and control of the specified air pressure of the air transmission are realized, various use requirements are met, the movement of the movable rod 7 and the connecting rod 8 can be positioned and guided through the arrangement of the guide frame 13, the tightness between the pressure regulating frame 4 and the inner wall of the pressure regulating chamber 102 can be respectively improved from the upper side and the lower side through the arrangement of the sealing rings 14, the folding structure of the elastic membrane 5 can lead the elastic membrane 5 to have larger deformation space, the elastic membrane 5 can not be easily damaged, the accurate value of the air pressure inside the upper air chamber 101 and the lower air chamber 103 can be obtained through the arrangement of the air pressure sensor 15, the pressure regulation and the danger early warning are convenient, the water pipe 17 can be externally connected with cold water or hot water and the water can be transmitted through the arrangement of the temperature control sleeve 16, therefore, the cooling or heating of the internal environment of the pressure regulating valve 1 is realized, the pressure regulating valve 1 can be used at various environment temperatures, and the use stability and safety of the pressure regulating valve 1 are effectively improved.

The foregoing has shown and described the basic principles, principal features and advantages of the 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 therein without departing from the spirit and scope of the utility model, which is defined by 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 gas pressure regulating device for gas pipeline, its characterized in that includes air-vent valve (1), air-vent valve (1) from top to bottom has set gradually air chamber (101), pressure regulating chamber (102), lower air chamber (103), be provided with gas-supply pipe (2), intake pipe (3) that are linked together on the both sides inner wall of lower air chamber (103) respectively, the inside of air-vent valve (1) is set gradually from bottom to top and is used for stabilizing the steady voltage subassembly of the inside atmospheric pressure of lower air chamber (103) and be used for regulating and control the interior atmospheric pressure of air chamber (101) thereby regulate and control the pressure regulating assembly of gas-supply atmospheric pressure.

2. The gas pressure regulating device for a gas pipeline according to claim 1, wherein the pressure regulating assembly comprises a pressure regulating frame (4) which is arranged in the pressure regulating chamber (102) and is matched with the pressure regulating chamber (102), an elastic membrane (5) is fixedly arranged in the pressure regulating frame (4), a movable block (6) is fixedly arranged at the central position of the elastic membrane (5), a movable rod (7) is fixedly arranged at the bottom of the movable block (6), a connecting rod (8) is fixedly arranged on the side wall of the bottom end of the movable rod (7), a movable door (9) corresponding to the position of the gas inlet pipe (3) is slidably arranged on the inner wall of the lower gas chamber (103), one end of the connecting rod (8) is fixedly arranged on the side wall of the movable door (9), and the pressure regulating assembly is positioned in the upper gas chamber (101).

3. The gas pressure regulating device for the gas pipeline according to claim 2, wherein the pressure regulating assembly comprises a regulating motor (10) fixedly installed on the inner wall of the top of the upper gas chamber (101), a pressure regulating screw is installed on the output shaft drive of the regulating motor (10), a regulating screw cylinder (11) is screwed at the bottom end of the pressure regulating screw, a support (12) is fixedly installed at the bottom end of the regulating screw cylinder (11), and the bottom of the support (12) is fixedly installed around the top of the pressure regulating frame (4).

4. The gas pressure regulating device for the gas pipeline according to claim 2, wherein a guide frame (13) matched with the movable rod (7) and the connecting rod (8) is fixedly arranged on the inner wall of the bottom of the lower gas chamber (103).

5. The gas pressure regulating device for the gas pipeline according to claim 2, wherein the shape of the elastic membrane (5) is of a folding structure, and sealing rings (14) matched with the inner wall of the pressure regulating chamber (102) are fixedly arranged at the top and the bottom of the pressure regulating frame (4).

6. The gas pressure regulating device for the gas pipeline according to claim 1, wherein the upper air chamber (101) and the lower air chamber (103) are respectively provided with an air pressure sensor (15), a temperature control sleeve (16) is fixedly sleeved on the bottom circumference side of the pressure regulating valve (1), and two water delivery pipes (17) communicated with the inside of the temperature control sleeve (16) are arranged on one side of the temperature control sleeve (16).