CN218625638U - Gas flow control structure - Google Patents
Gas flow control structure Download PDFInfo
- Publication number
- CN218625638U CN218625638U CN202223094526.XU CN202223094526U CN218625638U CN 218625638 U CN218625638 U CN 218625638U CN 202223094526 U CN202223094526 U CN 202223094526U CN 218625638 U CN218625638 U CN 218625638U
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- air
- air chamber
- base
- valve body
- upper portion
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Abstract
The utility model discloses a gas flow control structure, including valve body, sensitivity adjusting module and air flow control module locate inside the valve body, the valve body includes base, go-between, solid fixed ring and upper cover, form first air chamber between the base with the go-between, gu fixed ring divide into upper and lower air chamber, the upper portion of go-between with gu fixed ring lower part is equipped with the seal membrane and forms the second air chamber, gu be provided with the sealing washer between the upper portion of fixed ring and the upper cover and form the third air chamber; the upper portion of end is provided with the bleeder vent, the lower part of bleeder vent is provided with ventilative fender pearl, ventilative fender pearl upper portion be provided with the ejector pin ventilative keep off the pearl the lower part is provided with the compression pole, the lower part of compression pole is provided with the compression piece, the bottom of base is provided with the spring groove, the compression piece with be provided with reset spring between the spring groove 16.
Description
Technical Field
The utility model relates to a gas flow control valve equipment technical field, more specifically the utility model relates to a gas flow control structure that says so.
Background
The flow control valve is a multifunctional valve which adopts a high-precision pilot mode to control flow. The valve is suitable for the pipeline of water distribution pipe with controlled flow and pressure, and has constant preset flow rate, limited excessive flow rate to one preset value, and properly reduced upstream high pressure. The connection mode is divided into flange type, thread type and welding type. The control and regulation modes are automatic and manual.
The existing flow control valve cannot realize high-precision control on the flow control precision, so that the precision of the control valve is low, and the high-precision flow control cannot be finished.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims to provide a gas flow control structure, it can accomplish the higher purpose of control accuracy through the solenoid valve, through the high accuracy of solenoid valve, embodies the high accuracy of gas flow control structure.
The utility model provides a technical scheme that technical problem adopted is: the valve body comprises a base, a connecting ring, a fixing ring and an upper cover, a first air chamber is formed between the base and the connecting ring, the fixing ring is divided into an upper air chamber and a lower air chamber, a sealing film is arranged on the upper portion of the connecting ring and the lower portion of the fixing ring to form a second air chamber, and a sealing ring is arranged between the upper portion of the fixing ring and the upper cover to form a third air chamber;
the upper part of the bottom is provided with an air hole, the lower part of the air hole is provided with an air blocking bead, the upper part of the air blocking bead is provided with a mandril, the lower part of the air blocking bead is provided with a compression rod, the lower part of the compression rod is provided with a compression block, the bottom of the base is provided with a spring groove, and a reset spring is arranged between the compression block and the spring groove 16;
the top rod penetrates through the air holes, a valve body air pressure control block is arranged at the upper part of the top rod, and the upper part of the valve body air pressure control block is tightly attached to the sealing film;
the utility model discloses a sealing film sealing device, including solid fixed ring, activity inslot portion, the bottom of activity piece is provided with movable groove, activity inslot portion is provided with the movable block, the bottom of movable block hug closely in the sealing film, the upper portion of movable block is provided with the loose axle, the upper portion of loose axle is provided with the piston rod, the piston rod is connected on the solenoid valve, solenoid valve control piston rod quantitative reciprocating.
Further, the second air chamber and the third air chamber are communicated with each other.
Furthermore, the left side of base is provided with the inlet port, the right side of base is provided with the venthole, the right side of go-between is provided with the exhaust hole.
Further, a sealing ring is arranged between the piston rod and the upper cover.
The beneficial effects of the utility model are that: compared with the prior art, the utility model provides a pair of gas flow control structure has following several advantages:
1) When the air current passes through the base, because the bleeder vent between go-between and the base is UNICOM, so when shelves ventilative fender pearl down moved under the effect of ejector pin, the inside gas of base that is can get into inside the go-between to discharge from the inside of exhaust hole, play the purpose of control air current size.
2) The electromagnetic valve controls the piston rod, and the piston rod can move quantitatively under the quantitative control, so that the movable block can move quantitatively in the movable groove up and down, the valve body air pressure control block can move up and down, the air permeable blocking beads in the first air chamber are controlled to open and close, and the exhaust purpose is achieved.
Drawings
Fig. 1 is a schematic sectional structure of the present invention;
1. a valve body; 2. a sensitivity adjustment module; 3. an airflow control module; 4. a base; 5. a connecting ring; 6. a fixing ring; 7. an upper cover; 8. a first air chamber; 9. a second air chamber; 10. a third air chamber; 11. air holes are formed; 12. ventilating blocking beads; 13. a top rod; 14. a compression rod; 15. compressing the block; 16. a spring slot; 17. a return spring; 18. a valve body air pressure control block; 19. a sealing film; 20. a movable groove; 21. a movable block; 22. a movable shaft; 23. a piston rod; 24. an electromagnetic valve; 25. an air inlet; 26. an air outlet; 27. an exhaust hole; 28. and (6) sealing rings.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "horizontal," "side," "above," "end," "angled," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
As shown in fig. 1, a gas flow control structure comprises a valve body 1, a sensitivity adjusting module 2 and a gas flow control module 3, wherein the sensitivity adjusting module is mainly used for controlling the operation of the gas flow control module, the movement stroke of a piston rod in the structure can be quantitatively controlled through the action of an electromagnetic valve, the sensitivity adjusting module 2 and the gas flow control module 3 are arranged in the valve body 1, the valve body 1 comprises a base 4, a connecting ring 5, a fixing ring 6 and an upper cover 7, a first gas chamber 8 is formed between the base 1 and the connecting ring 5, the fixing ring 6 is divided into an upper gas chamber and a lower gas chamber, a sealing film 19 is arranged on the upper portion of the connecting ring 5 and the lower portion of the fixing ring 6 to form a second gas chamber 9, and a sealing ring is arranged between the upper portion of the fixing ring 6 and the upper cover 7 to form a third gas chamber 10;
the upper part of the base 4 is provided with an air hole 11, the lower part of the air hole 11 is provided with a breathable blocking bead 12, the upper part of the breathable blocking bead 12 is provided with a mandril 13, the lower part of the breathable blocking bead 12 is provided with a compression rod 14, the lower part of the compression rod 14 is provided with a compression block 15, the bottom of the base 4 is provided with a spring groove 16, a return spring 17 is arranged between the compression block 15 and the spring groove 16, the function of the return spring enables the breathable blocking bead to be reset to the original position when not bearing downward pressure, the density of the closed first air chamber is achieved, and the gas entering the first air chamber can be completely discharged from the air outlet hole;
the ejector rod 13 penetrates through the air holes 11, the upper part of the ejector rod 13 is provided with a valve body air pressure control block 18, the upper part of the valve body air pressure control block 18 is tightly attached to the sealing film 19, and the sealing film is designed to form a closed environment between the first air chamber and the second air chamber, so that when the exhaust holes exhaust, air does not enter the second air chamber and the third air chamber;
the lower part of solid fixed ring 6 is provided with movable groove 20, the inside movable block 21 that is provided with in movable groove 20, the bottom of movable block 21 hug closely in seal membrane 19, the upper portion of movable block 21 is provided with loose axle 22, the upper portion of loose axle 22 is provided with piston rod 23, piston rod 23 is connected on solenoid valve 24, solenoid valve 24 control 23 quantitative reciprocating of piston rod, through the up-and-down motion of piston rod, play the mesh of opening and shutting to ventilative fender pearl, the intensity of different solenoid valves leads to the movement distance of piston rod different to make the degree of opening and shutting of ventilative fender pearl different, play different carminative mesh.
Furthermore, the second air chamber 9 and the third air chamber 10 are communicated with each other, and the purpose of the communication between the second air chamber and the third air chamber is to reduce the degree of obstruction of the piston rod due to the difference between the upper pressure and the lower pressure, so that the piston rod can move more freely.
Further, the left side of base 4 is provided with inlet port 25, the right side of base 4 is provided with venthole 26, the right side of go-between 5 is provided with exhaust hole 27, the design of air inlet and venthole for the air current that needs to control can be more smooth and easy through the valve body structure, the design in exhaust hole simultaneously, the power that can the air current of effectual control process, thereby play the purpose that changes air pressure.
Further, a sealing ring 28 is disposed between the piston rod 23 and the upper cover 7.
The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.
Claims (4)
1. A gas flow control structure, characterized by: the air valve comprises a valve body (1), a sensitivity adjusting module (2) and an airflow control module (3), wherein the sensitivity adjusting module (2) and the airflow control module 3 () are arranged inside the valve body (1), the valve body (1) comprises a base (4), a connecting ring (5), a fixing ring (6) and an upper cover (7), a first air chamber (8) is formed between the base (4) and the connecting ring (5), the fixing ring (6) is divided into an upper air chamber and a lower air chamber, a sealing film (19) is arranged on the upper portion of the connecting ring (5) and the lower portion of the fixing ring (6) to form a second air chamber (9), and a sealing ring is arranged between the upper portion of the fixing ring (6) and the upper cover (7) to form a third air chamber (10);
an air hole (11) is formed in the upper portion of the base (4), an air blocking bead (12) is arranged on the lower portion of the air hole (11), an ejector rod (13) is arranged on the upper portion of the air blocking bead (12), a compression rod (14) is arranged on the lower portion of the air blocking bead (12), a compression block (15) is arranged on the lower portion of the compression rod (14), a spring groove (16) is formed in the bottom of the base (4), and a return spring (17) is arranged between the compression block (15) and the spring groove (16);
the ejector rod (13) penetrates through the air holes (11), a valve body air pressure control block (18) is arranged at the upper part of the ejector rod (13), and the upper part of the valve body air pressure control block (18) is tightly attached to the sealing film (19);
the lower part of solid fixed ring (6) is provided with movable groove (20), the inside movable block (21) that is provided with in movable groove (20), the bottom of movable block (21) hug closely in seal membrane (19), the upper portion of movable block (21) is provided with loose axle (22), the upper portion of loose axle (22) is provided with piston rod (23), piston rod (23) are connected on solenoid valve (24), solenoid valve (24) control piston rod (23) quantitative reciprocating.
2. A gas flow control arrangement according to claim 1, wherein: the second air chamber (9) and the third air chamber (10) are communicated with each other.
3. A gas flow control structure according to claim 1, wherein: the left side of base (4) is provided with inlet port (25), the right side of base (4) is provided with venthole (26), the right side of go-between (5) is provided with exhaust hole (27).
4. A gas flow control structure according to claim 1, wherein: and a sealing ring (28) is arranged between the piston rod (23) and the upper cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223094526.XU CN218625638U (en) | 2022-11-17 | 2022-11-17 | Gas flow control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223094526.XU CN218625638U (en) | 2022-11-17 | 2022-11-17 | Gas flow control structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625638U true CN218625638U (en) | 2023-03-14 |
Family
ID=85448616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223094526.XU Active CN218625638U (en) | 2022-11-17 | 2022-11-17 | Gas flow control structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218625638U (en) |
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2022
- 2022-11-17 CN CN202223094526.XU patent/CN218625638U/en active Active
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