CN213575779U

CN213575779U - High-voltage regulator

Info

Publication number: CN213575779U
Application number: CN202022473556.6U
Authority: CN
Inventors: 白文治; 孟昭庆; 徐硕; 张红亮; 孟召寨; 崔世运; 李英放; 申奥; 邱明; 张家祥; 张国齐
Original assignee: Hebei Anxin Gas Equipment Co ltd
Current assignee: Hebei Anxin Gas Equipment Co ltd
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-06-29
Anticipated expiration: 2030-10-31

Abstract

The utility model belongs to the technical field of high-pressure regulator, a high-pressure regulator is related to, wherein, the water control valve comprises a valve body, air inlet and gas outlet have been seted up on the valve body, the inside of valve body is provided with the disk seat, the air vent has been seted up at the center of disk seat. Its beneficial effect is, through setting up the valve rod, the valve rod is for exempting from the balanced structure design, need not valve rod balanced structure, the structure is simplified by a wide margin, the reliability is higher, the cost is lower, through setting up air inlet and gas outlet, valve body air inlet and gas outlet are inside to be tortuous flow formula flow structure, high accuracy under the high pressure operating mode has been realized, the pressure control of high stability, good closing performance has, good full flow pressure regulating operational reliability, wide range advance, outlet pressure application scope, through setting up the valve body, dynamic pressure regulating control power is littleer, it is more steady to adjust, control part structure size is littleer compacter, the cost is further reduced, the performance is improved.

Description

High-voltage regulator

Technical Field

The utility model belongs to the technical field of high-pressure voltage regulator, concretely relates to high-pressure voltage regulator.

Background

The moving valve internals in the main regulator of the high pressure regulator are controlled elements in the pressure automatic control system of the pressure regulator, under the working conditions of high inlet pressure and high pressure drop, the pressure regulator has good pressure regulating and stabilizing precision, good closing performance, good full flow pressure regulating stability, wide application range of inlet pressure and outlet pressure and great engineering difficulty, because under the working condition of high pressure, fluid can generate great nonlinear force to the moving valve internals, causing control difficulty, therefore, the moving valve internals of the high pressure regulator generally adopt a balanced structure to eliminate the acting force of the fluid to the moving valve internals, under the ideal condition, the force of the fluid acting on the balancing valve internals needs to be mutually counteracted, the total fluid acting force is zero, compared with the classic full balancing valve internals structure, namely a Reflux _819 series high pressure regulator of Shanghai Feiyao gas equipment Limited company, the internal structure of the balancing valve core and the balancing valve rod is adopted, the static balance problem of the main regulating moving internal part of the high-pressure regulator is well solved, the closing problem under high pressure is solved, however, the structure also brings some problems, firstly, the valve rod balance structure is complex, the pressure guide hole is difficult to process, and under the condition that the valve internal part moves, extra force tending to closing is added, larger control force is needed, so that the difficulty of pressure control is increased, the cost of products is increased, and secondly, the fluid of the structure can not realize the mutual balance of the total action of the fluid under the dynamic condition.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a high-pressure voltage regulator, it has solved the complicated technical problem of valve rod balanced structure.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure regulator comprises a valve body, wherein an air inlet and an air outlet are formed in the valve body, a valve seat is arranged in the valve body, an air vent is formed in the center of the valve seat, an upper valve cover is fixedly connected to the top of the valve body through a first bolt, a valve seat is arranged in the valve body, a bearing frame is lapped on the top of the valve seat, a balance cylinder is arranged on the top of the bearing frame, the top of the balance cylinder is lapped with the upper valve cover, a first round hole is formed in the top of the upper valve cover, a valve rod bushing is arranged in the first round hole, a valve rod is movably connected in the valve rod bushing, a valve plug is fixedly connected to the bottom end of the valve rod through a locking threaded cap, a spring is sleeved on the surface of the valve rod in a movable mode, the bottom of the valve plug is lapped with the valve seat, a lower mold cover is fixedly connected to the top of the upper valve, the valve rod positioning device is characterized in that a diaphragm is arranged between the upper die cover and the lower die cover, a valve rod connector is in threaded connection with the top end of the valve rod, an upper tray is lapped on the top of the diaphragm, a lower tray is lapped on the bottom of the diaphragm, second round holes are formed in the surfaces of the upper tray, the lower tray and the diaphragm, thin nuts and thick nuts are connected to the top end of the valve rod connector through second round holes in a threaded connection mode, third round holes are formed in the top of the upper die cover, a rubber sealing sleeve is arranged on the inner wall of each third round hole, a valve position indicator assembly is arranged inside the rubber sealing sleeve, and a bottom cover is fixedly connected to the bottom of the valve body through a fourth.

As a further aspect of the present invention: and a rubber pad is arranged between the valve seat and the valve body.

As a further aspect of the present invention: and a gasket is arranged between the thin nut and the upper tray.

As a further aspect of the present invention: a guide ring, a rubber sleeve and a fixing ring are arranged between the balance cylinder and the valve plug.

As a further aspect of the present invention: the top end of the spring is in lap joint with the upper valve cover, and the other end of the spring is in lap joint with the valve plug.

As a further aspect of the present invention: and a baffle ring is arranged between the valve body and the balance cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this high pressure regulator, through setting up the valve rod, the valve rod need not valve rod balanced structure for exempting from balanced structure design, and the structure is simplified by a wide margin, and the reliability is higher, and the cost is lower.

2. This high pressure regulator, through setting up air inlet and gas outlet, valve body air inlet and gas outlet are inside to be the tortuous flow formula flow structure, have realized high accuracy, the high stability's under the high pressure operating mode pressure control, have good closing performance, good full flow pressure regulating operational reliability, wide range advance, export pressure application scope.

3. This high pressure regulator, through setting up balance cylinder, valve plug, valve body and valve rod, dynamic pressure adjustment control power is littleer, adjusts more steadily, and control part structure size is littleer compacter, further the cost is reduced, has improved the performance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

in the figure: 1. a valve body; 2. an air inlet; 3. an air outlet; 4. a valve seat; 5. an upper valve cover; 6. a spring; 7. a support frame; 8. a rubber pad; 9. locking the threaded cap; 10. a valve stem; 11. a lower die cover; 12. putting a mold cover; 13. a valve stem fitting; 14. a valve stem bushing; 15. a balancing cylinder; 16. a gasket; 17. a thin nut; 18. a thick nut; 19. a membrane; 20. a valve plug; 21. a rubber sealing sleeve; 22. a valve position indicator assembly; 23. a bottom cover; 24. an upper tray; 25. a lower tray; 26. a guide ring; 27. a baffle ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a high-pressure regulator comprises a valve body 1, an air inlet 2 and an air outlet 3 are arranged on the valve body 1, a valve seat 4 is arranged inside the valve body 1, an air vent is arranged at the top of the valve seat 4, the top of the valve body 1 is fixedly connected with an upper valve cover 5 through a first bolt, the valve seat 4 is arranged inside the valve body 1, a bearing frame 7 is lapped at the top of the valve seat 4, a balance cylinder 15 is arranged at the top of the bearing frame 7, the top of the balance cylinder 15 is lapped with the upper valve cover 5, a first round hole is arranged at the top of the upper valve cover 5, a valve rod bushing 14 is arranged inside the first round hole, a valve rod 10 is movably connected inside the valve rod bushing 14, the bottom end of the valve rod 10 is fixedly connected with a valve plug 20 through a locking screw cap 9, a spring 6 is movably sleeved on the surface of the valve rod 10, the bottom of the valve, the top of the lower die cover 11 is fixedly connected with an upper die cover 12 through a third bolt, a diaphragm 19 is arranged between the upper die cover 12 and the lower die cover 11, the top end of the valve rod 10 is in threaded connection with a valve rod connector 13, the top of the diaphragm 19 is lapped with an upper tray 24, the bottom of the diaphragm 19 is lapped with a lower tray 25, the surfaces of the upper tray 24, the lower tray 25 and the diaphragm 19 are respectively provided with a second round hole, the top end of the valve rod connector 13 is connected with a thin nut 17 and a thick nut 18 through the second round hole in a threaded manner, the top of the upper die cover 12 is provided with a third round hole, the inner wall of the third round hole is provided with a rubber sealing sleeve 21, the inside of the rubber sealing sleeve 21 is provided with a valve position indicator assembly 22, the bottom of the valve body 1 is fixedly connected with a bottom cover 23 through a fourth bolt, through the arrangement of the valve rod 10, the valve rod, the cost is lower, through setting up air inlet 2 and gas outlet 3, valve body 1 air inlet 2 and 3 inside tortuous flow formula flow structure that are in the gas outlet, high accuracy under the high pressure operating mode has been realized, high stability's pressure control, good closedown can has, good full flow pressure regulating operational reliability, wide range advance, export pressure application scope, through setting up valve body 1, dynamic pressure adjustment control power is littleer, adjust more steadily, control part structure size is littleer compacter, the cost is further reduced, the performance has been improved.

Specifically, a rubber pad 8 is arranged between the valve seat 4 and the valve body 1 to ensure the sealing performance between the valve body 1 and the valve seat 4, and a gasket 16 is arranged between the thin nut 17 and the tray to ensure that the thick nut 18 and the thin nut 17 are more firmly fixed to the valve rod connector 13.

Specifically, a guide ring 26, a rubber sleeve and a fixing ring are arranged between the balance cylinder 15 and the valve plug 20, the top end of the spring 6 is in lap joint with the upper valve cover 5, the other end of the spring 6 is in lap joint with the valve plug 20, and a baffle ring 27 is arranged between the valve body 1 and the balance cylinder 15.

The utility model discloses a theory of operation does:

s, the air pressure in the upper die cover 12 is changed by inflating the breathing port, the diaphragm 19 is contracted to drive the valve rod 10 to move, the valve plug 20 and the valve rod 10 move up and down along the central axis of the balance cylinder 15 to change the throttling area of the internal flow passage of the valve body 1, the valve plug 20 and the valve rod 10 move up and down along the central axis of the balance cylinder 15, the valve plug 20 is in lap joint with the valve seat 4, the internal flow passage of the valve body 1 is controlled to be opened or closed, the air inlet 2 is communicated with or closed with the air outlet 3, and the breathing port assists the closing and opening functions of the valve body 1, so that the dynamic pressure regulation control force is smaller, the regulation is more stable, the structural;

s, through the internal design of the air inlet 2 and the air outlet 3, the air inlet 2 and the air outlet 3 of the valve body 1 are internally provided with a meander flow type flow structure, so that the high-precision and high-stability pressure control under a high-pressure working condition is realized, and the valve has good closing performance and good full-flow pressure regulating working reliability.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, the description of the terms "one embodiment," "some embodiments," "an embodiment," "an example," "a specific example" or "some examples" or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A high pressure regulator, includes valve body (1), its characterized in that: the improved air-conditioning valve is characterized in that an air inlet (2) and an air outlet (3) are formed in the valve body (1), a valve seat (4) is arranged in the valve body (1), an air vent is formed in the center of the valve seat (4), an upper valve cover (5) is fixedly connected to the top of the valve body (1) through a first bolt, the valve seat (4) is arranged in the valve body (1), a bearing frame (7) is lapped on the top of the valve seat (4), a balance cylinder (15) is arranged on the top of the bearing frame (7), the top of the balance cylinder (15) is lapped with the upper valve cover (5), a first round hole is formed in the top of the upper valve cover (5), a valve rod bushing (14) is arranged in the first round hole, a valve rod (10) is movably connected to the inside of the valve rod bushing (14), and a valve plug (20) is fixedly connected to the bottom end, the surface of the valve rod (10) is movably sleeved with a spring (6), the bottom of the valve plug (20) is in lap joint with the valve seat (4), the top of the upper valve cover (5) is fixedly connected with a lower die cover (11) through a second bolt, the top of the lower die cover (11) is fixedly connected with an upper die cover (12) through a third bolt, a diaphragm (19) is arranged between the upper die cover (12) and the lower die cover (11), the top end of the valve rod (10) is in threaded connection with a valve rod connector (13), the top of the diaphragm (19) is in lap joint with an upper tray (24), the bottom of the diaphragm (19) is in lap joint with a lower tray (25), second round holes are formed in the surfaces of the upper tray (24), the lower tray (25) and the diaphragm (19), the top end of the valve rod connector (13) penetrates through the second round holes to be in threaded connection with a thin nut (17) and a thick nut (18, the valve is characterized in that a third round hole is formed in the top of the upper die cover (12), a rubber sealing sleeve (21) is arranged on the inner wall of the third round hole, a valve position indicator assembly (22) is arranged inside the rubber sealing sleeve (21), and a bottom cover (23) is fixedly connected to the bottom of the valve body (1) through a fourth bolt.

2. A high voltage regulator according to claim 1, wherein: and a rubber pad (8) is arranged between the valve seat (4) and the valve body (1).

3. A high voltage regulator according to claim 1, wherein: a gasket (16) is arranged between the thin nut (17) and the upper tray (24).

4. A high voltage regulator according to claim 1, wherein: a guide ring (26), a rubber sleeve and a fixing ring are arranged between the balance cylinder (15) and the valve plug (20).

5. A high voltage regulator according to claim 1, wherein: the top of spring (6) and upper valve lid (5) overlap joint, the other end and the valve plug (20) overlap joint of spring (6).

6. A high voltage regulator according to claim 1, wherein: and a baffle ring (27) is arranged between the valve body (1) and the balance cylinder (15).