CN214789248U

CN214789248U - Valve device for controlling fluid

Info

Publication number: CN214789248U
Application number: CN202022322957.1U
Authority: CN
Inventors: 邱枝红; 黄静生; 周勇; 杨洋
Original assignee: Jiangsu Mingtong Fulu Fluid Control Equipment Co ltd
Current assignee: Jiangsu Mingtong Fulu Fluid Control Equipment Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-11-19
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a valve device for controlling fluid, which comprises a top cover and a valve body, wherein side walls are fixed on two sides of the top cover, a valve seat is arranged below the side walls, one side of the valve seat is a fluid inlet, the other side of the valve seat is a fluid outlet, a spiral component is arranged below the top cover, the spiral component comprises a volute spiral spring, the volute spiral spring is fixedly arranged on a rotating block, threads are arranged on two sides of the rotating block, the threads are matched with the threads of the side walls, turbine blades are arranged below the rotating block, a connecting frame is fixedly arranged below the rotating block, the connecting frame is connected with a sealing plug, a rubber sealing ring is arranged below the rotating block, a liquid storage pipe is arranged below the rotating block, transmission liquid is filled in the liquid storage pipe, one end of the liquid storage pipe is connected with a fan blade, the top of flabellum is provided with turbine blade, the utility model discloses, have the practicality strong and the fluidic characteristics of stable control.

Description

Valve device for controlling fluid

Technical Field

The utility model relates to the technical field of valves, specifically be a valve device for control fluid.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in the fluid conveying system and has the functions of stopping, regulating, guiding, preventing counter flow, shunting, overflowing and relieving pressure and the like.

In the prior valve, the control of the valve is very critical, but in the control valve device, more control valves have complex structures, poor pressure reduction effect and poor practicability; meanwhile, the internal structure of the existing valve is unstable, and the existing valve is not beneficial to processing and has high processing cost. Therefore, it is desirable to provide a valve assembly for controlling fluid that is highly practical and structurally stable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve device for control fluid to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a valve device for control fluid, includes top cap, valve body, the both sides of top cap are fixed with the lateral wall, the below of lateral wall is provided with the disk seat, one side of disk seat is the fluid entry, the fluid is equipped with in the fluid entry, the opposite side of disk seat is the fluid outlet, and the lateral wall links to each other all around with the top cap, and the shape of disk seat is trapezoidal, through setting up rubber seal to guarantee the leakproofness of disk seat.

According to the technical scheme, the below of top cap is provided with spiral subassembly, spiral subassembly includes the scroll spring, scroll spring fixed mounting is on rotatory piece, the both sides of rotatory piece are provided with the screw thread, the screw thread cooperatees with the lateral wall screw thread, the below of rotatory piece is provided with turbine blade one, and when fluid inlet flow velocity was too big, spiral subassembly began working, thereby turbine blade one rotates and drives rotatory piece, and rotatory piece is connected with the lateral wall screw thread through the screw thread, and the scroll spring is fixed in rotatory piece, and when turbine blade pivoted power was greater than the power of scroll spring, rotatory piece is rotatory downwards, has played the effect of adjusting the fluid velocity of flow.

According to the technical scheme, the connecting frame is fixedly mounted below the rotating block and connected with the sealing plug, the rubber sealing ring is arranged below the sealing plug, the rotating block rotates downwards, the connecting frame is fixed on the rotating block, so that the sealing plug is driven to move downwards, the flow rate of fluid is reduced, and the rubber gasket arranged at the bottom of the sealing plug can reduce the impact of the sealing plug on the valve seat and improve the sealing performance.

According to the technical scheme, a liquid storage pipe is arranged below the rotating block, the outer wall of the liquid storage pipe is in contact with the sealing plug, transmission liquid is filled in the liquid storage pipe, and the transmission liquid is used for transmitting the force of fluid impact to the rotating block.

According to the technical scheme, the inside of the valve body is provided with the fan blades, the fan blade shaft is arranged in the center of the fan blades, when the flow rate of fluid is below a specified value, the rotating force of the fan blades is transmitted to the rotating block through the turbine blades, the scroll spring is arranged in the rotating block, the force of the turbine blades is not enough to enable the rotating block to rotate, when the flow rate of a fluid inlet is larger than the specified value, the fan blades in the valve body start to rotate due to the impact of the fluid, so that the turbine blades are driven to start to rotate, the turbine blades in the transmission fluid transmit the force of the turbine blades to the rotating block through the transmission fluid, at the moment, the force transmitted by the turbine blades is larger than the force of the scroll spring, so that the rotating block starts to rotate downwards against the force of the scroll spring, so that the connecting frame moves downwards, the other end of the connecting frame is connected with the sealing plug, the sealing plug moves downwards, so that the passing rate of the fluid is reduced, the rotating speed of the fan blades is reduced, force transmitted to the rotating block is reduced, at the moment, the force of the volute spiral spring is larger than the force from the turbine blades, the rotating block rotates upwards under the action of the volute spiral spring, and therefore the flow velocity of fluid passing through the valve is uniform.

According to the technical scheme, one end of the liquid storage pipe is connected with the fan blade, the second turbine blade is arranged above the fan blade, when the valve starts to work, fluid in the valve body directly impacts the fan blade shaft, the fan blade is prevented from reversing, and the safety of the valve is improved.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model is characterized in that the utility model,

(1) by arranging the spiral component and the fan blades, when the flow of the fluid inlet is greater than a specified value, the turbine blade starts to rotate, and at the moment, the force transmitted by the turbine blade is greater than the force of the volute spiral spring, so that the rotating block overcomes the force of the volute spiral spring and starts to rotate downwards to cause the sealing plug to move downwards, the passing rate of the fluid is reduced, and the effect of automatically adjusting the flow rate of the fluid is realized;

(2) through being provided with transmission fluid, liquid storage pipe, the power of flabellum passes through the transmission fluid and transmits for rotatory piece, compares in other transmission media, and the transmission fluid volume is littleer, has simpler structure, stable operating condition, and work is accurate, steady.

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 view of the overall structure of the present invention;

FIG. 2 is a schematic fluid flow diagram according to the present invention;

in the figure: 1. a top cover; 2. a screw assembly; 201. a volute spiral spring; 202. a thread; 203. sidewall threads; 204. rotating the block; 205. a first turbine blade; 3. a connecting frame; 4. a sealing plug; 5. A rubber seal ring; 6. a valve seat; 7. a fluid inlet; 8. a valve body; 9. a fan blade; 10. a transmission fluid; 11. a second turbine blade; 12. a fan blade shaft; 14. a side wall; 15. a fluid outlet; 16. A liquid storage tube.

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.

Referring to fig. 1-2, the present invention provides a technical solution: a valve device for controlling fluid comprises a top cover 1 and a valve body 8, wherein side walls 14 are fixed on two sides of the top cover 1, a valve seat 6 is arranged below the side walls 14, a fluid inlet 7 is formed in one side of the valve seat 6, fluid is filled in the fluid inlet 7, a fluid outlet 15 is formed in the other side of the valve seat 6, the side walls 14 are connected with the periphery of the top cover 4, the valve seat 6 is trapezoidal in shape, and the sealing performance of the valve seat 6 is guaranteed by arranging a rubber sealing ring 5;

the spiral component 2 is arranged below the top cover 1, the spiral component 2 comprises a scroll spring 201, the scroll spring 201 is fixedly installed on a rotating block 204, threads 202 are arranged on two sides of the rotating block 204, the threads 202 are matched with side wall threads 203, a first turbine blade 205 is arranged below the rotating block 204, when the flow rate of a fluid inlet 7 is overlarge, the spiral component 2 starts to work, the first turbine blade 205 rotates to drive the rotating block 204, the rotating block 204 is connected with the side wall threads 203 through the threads 202, the scroll spring 201 is fixed in the rotating block 204, and when the rotating force of the first turbine blade 205 is larger than the force of the scroll spring 201, the rotating block 204 rotates downwards;

the connecting frame 3 is fixedly arranged below the rotating block 204, the connecting frame 3 is connected with the sealing plug 4, the rubber sealing ring 5 is arranged below the sealing plug 4, the rotating block 204 rotates downwards, and the connecting frame 205 is fixed on the rotating block 204, so that the sealing plug 4 is driven to move downwards, the flow rate of fluid is reduced, and the rubber gasket 5 arranged at the bottom of the sealing plug 4 can reduce the impact of the sealing plug 4 on the valve seat 6 and improve the sealing property;

a liquid storage pipe 16 is arranged below the rotating block 204, the outer wall of the liquid storage pipe 16 is in contact with the sealing plug 4, transmission liquid 10 is filled in the liquid storage pipe 16, the liquid storage pipe 16 is filled with the transmission liquid 10, and the transmission liquid 10 is used for transmitting the force of fluid impact to the rotating block 204;

one end of the liquid storage pipe 16 is connected with a fan blade 9, a second turbine blade 11 is arranged above the fan blade 9, when the flow rate of fluid is below a specified value, the rotating force of the fan blade 9 is transmitted to the rotating block 204 through the second turbine blade 11, because a scroll spring 201 is arranged in the rotating block 204, the force of the second turbine blade 11 is not enough to rotate the rotating block 204, when the flow rate of the fluid inlet 7 is greater than the specified value, the fan blade 9 in the valve body 8 starts to rotate due to the impact of the fluid, so as to drive the second turbine blade 11 to start to rotate, the turbine blade 11 is in a transmission fluid 10, the force of the second turbine blade 11 is transmitted to the rotating block 204 through the transmission fluid 10, at this time, the force transmitted by the turbine blade 11 is greater than the force of the scroll spring 201, so that the rotating block 204 starts to rotate downwards against the force of the scroll spring 201, so as to make the connecting frame 3 move downwards, because the other end of the connecting frame 3 is connected with a sealing plug 4, therefore, the sealing plug 4 starts to move downwards, the downward movement of the sealing plug 4 reduces the passing rate of the fluid, so that the rotating speed of the fan blades 9 is reduced, and the force transmitted to the rotating block 204 is reduced, at the moment, the force of the scroll spring 201 is greater than the force from the turbine blade 11, so that the rotating block 204 rotates upwards under the action of the scroll spring 201, and the uniform flow rate of the fluid passing through the valve is ensured;

the inside of valve body 8 is provided with flabellum 9, and flabellum 9 center is provided with flabellum axle 12, and when the valve began work, the fluid in the valve body 8 directly impacted flabellum axle 12, avoids flabellum 9 to carry out the reversal, promotes the security of valve.

The working principle is as follows: the side wall 14 is connected with the periphery of the top cover 4, the valve seat 6 is in a trapezoid shape, the sealing performance of the valve seat 6 is ensured by arranging the rubber sealing ring 5, when the flow rate of the fluid inlet 7 is overlarge, the spiral component 2 starts to work, the turbine blade 205 rotates to drive the rotating block 204, the rotating block 204 is connected with the side wall thread 203 through the thread 202, the scroll spring 201 is fixed in the rotating block 204, when the rotating force of the turbine blade 205 is larger than the force of the scroll spring 201, the rotating block 204 rotates downwards, the sealing plug 4 is driven to move downwards due to the connection frame 205 fixed on the rotating block 204, the flow rate of the fluid is reduced, the rubber gasket 5 arranged at the bottom of the rotating block 4 can reduce the impact of the rotating block 4 on the valve seat 6 and can also improve the sealing performance, the transmission fluid 10 is used for transmitting the impact force of the fluid to the sealing plug 204, when the flow rate of the fluid is below a specified value, the rotating force of the fan blade 9 is transmitted to the rotating block 204 through the turbine blade 11, because the scroll spring 201 is arranged in the rotating block 204, the force of the turbine blade 11 is not enough to rotate the rotating block 204, when the flow rate of the fluid inlet 7 is larger than a specified value, the fan blade 9 in the valve body 8 starts to rotate due to the impact of the fluid, so as to drive the turbine blade 11 to start to rotate, the turbine blade 11 transmits the force of the turbine blade 11 to the rotating block 204 through the transmission fluid 10 in the transmission fluid 10, at the moment, the force transmitted by the turbine blade 11 is larger than the force of the scroll spring 201, so that the rotating block 204 starts to rotate downwards against the force of the scroll spring 201, so as to enable the connecting frame 3 to move downwards, because the other end of the connecting frame 3 is connected with the sealing plug 4, the sealing plug 4 starts to move downwards, the downward movement of the sealing plug 4 reduces the passing rate of the fluid, so as to reduce the rotating speed of the fan blade 9, the rotating speed of the fan blades 9 is reduced, so that the force transmitted to the rotating block 204 is reduced, at the moment, the force of the scroll spring 201 is larger than the force from the turbine blade 11, the rotating block 204 rotates upwards under the action of the scroll spring 201, the flow velocity of fluid passing through the valve is uniform, the fluid in the valve body 8 directly impacts the fan blade shaft 12, the fan blades 9 are prevented from reversing, and the safety of the valve is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve device for controlling fluid, comprising a top cover (1), a valve body (8), characterized in that: the improved valve is characterized in that side walls (14) are fixed on two sides of the top cover (1), a valve seat (6) is arranged below the side walls (14), a fluid inlet (7) is formed in one side of the valve seat (6), fluid is filled in the fluid inlet (7), and a fluid outlet (15) is formed in the other side of the valve seat (6).

2. A valve arrangement for controlling fluid according to claim 1, wherein: the spiral component (2) is arranged below the top cover (1), the spiral component (2) comprises a scroll spring (201), the scroll spring (201) is fixedly mounted on a rotating block (204), threads (202) are arranged on two sides of the rotating block (204), the threads (202) are matched with side wall threads (203), and a first turbine blade (205) is arranged below the rotating block (204).

3. A valve arrangement for controlling fluid according to claim 2, wherein: the connecting frame (3) is fixedly mounted below the rotating block (204), the connecting frame (3) is connected with the sealing plug (4), and the rubber sealing ring (5) is arranged below the sealing plug (4).

4. A valve arrangement for controlling fluid according to claim 3, wherein: a liquid storage pipe (16) is arranged below the rotating block (204), the outer wall of the liquid storage pipe (16) is in contact with the sealing plug (4), and transmission liquid (10) is filled in the liquid storage pipe (16).

5. A valve arrangement for controlling fluid according to claim 4, wherein: the valve is characterized in that fan blades (9) are arranged inside the valve body (8), and a fan blade shaft (12) is arranged in the center of each fan blade (9).

6. A valve arrangement for controlling fluid according to claim 5, wherein: one end of the liquid storage pipe (16) is connected with a fan blade shaft (12), and a second turbine blade (11) is arranged above the fan blade shaft (12).