CN115854044A

CN115854044A - Super wear-resistant control valve

Info

Publication number: CN115854044A
Application number: CN202310168217.2A
Authority: CN
Inventors: 叶中榕; 岳迎飞; 都继军; 张军虎; 任海利; 宋婷婷
Original assignee: Xi An High Pressure Valve Group Co ltd
Current assignee: Xi An High Pressure Valve Group Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-03-28
Anticipated expiration: 2043-02-27
Also published as: CN115854044B

Abstract

The invention relates to the technical field of control valves, in particular to a super-wear-resistant control valve which comprises a valve body and a flange plate, wherein a rotating rod is fixedly connected to the upper end surface of a valve core, a fixed block is fixedly connected to the upper end surface of the rotating rod, a rotating disc is fixedly connected to the upper end surface of the fixed block, a first limiting block is fixedly connected to the upper end surface of the valve body, one end of an adjusting spring is fixedly connected to the inner side of the first limiting block, an expansion plate is fixedly connected to the other end of the adjusting spring, a first ball is embedded in the inner side of the expansion plate, a second limiting block is fixedly connected to the upper end surface of the first limiting block, a second ball is embedded in the inner side of the second limiting block, and the outer side of the second ball is abutted to the rotating rod.

Description

Super wear-resistant control valve

Technical Field

The invention relates to the technical field of control valves, in particular to a super-wear-resistant control valve.

Background

The control valve is also called valve, is a control component in the fluid conveying system, and has the functions of diversion, interception, regulation, throttling, backflow prevention, diversion or overflow pressure relief and the like. The valve can be used for controlling the activities of various types of fluids such as air, water, steam, various corrosive chemical media, slurry, liquid metal, radioactive substances and the like, and in the using process of the control valve, because the pipeline is frequently required to be opened and closed, the internal abrasion of the control valve is quite serious, and therefore the super-abrasion control valve is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a super-wear-resistant control valve to solve the problem that the internal wear of the control valve is serious because a pipeline needs to be opened and closed frequently in the use process of the control valve.

In order to achieve the purpose, the invention provides the following technical scheme:

super wear-resisting control flap, include the valve body and be located the ring flange at valve body both ends, the inboard of valve body is seted up flutedly and the first sealed pad of fixedly connected with, the outside contact of first sealed pad has the case, the up end fixedly connected with bull stick of case, the up end fixedly connected with fixed block of bull stick, the up end fixedly connected with carousel of fixed block, the first stopper of up end fixedly connected with of valve body, the inboard fixedly connected with regulating spring's of first stopper one end, regulating spring's other end fixedly connected with expansion plate, the inboard of expansion plate is inlayed and is had first ball, the outside and the bull stick butt of first ball, the up end fixedly connected with second stopper of first stopper, the inboard of second stopper is inlayed and is had the second ball, the outside and the bull stick butt of second ball.

Preferably, the following components: the outer end face of the valve body is fixedly connected with a support column, the upper end face of the support column is fixedly connected with a limiting plate, a through groove is formed in the valve body, a second sealing gasket is fixedly connected to the inner side of the through groove, a guide rod is contacted with the outer side of the second sealing gasket, a support plate is fixedly connected to the outer side of the guide rod, the inner side of the support plate is connected with the support column in a sliding mode, a first clamping groove is formed in the inner side of the support column, a first limiting groove is formed in the inner side of the support plate, one end of a first spring is fixedly connected to the inner side of the first limiting groove, the other end of the first spring is fixedly connected with a first clamping block, and the outer side of the first clamping block is clamped with the first clamping groove; the outer side of the first clamping block is fixedly connected with a connecting rod, the outer side of the connecting rod is fixedly connected with a first pull ring, the inner side of the first pull ring is fixedly connected with a first anti-skid lug, and the first anti-skid lug is uniformly distributed on the inner side of the first pull ring.

Preferably: the inner side of the rotary table is provided with a second limiting groove, one end of a second spring is fixedly connected to the inner side of the second limiting groove, the other end of the second spring is fixedly connected with a telescopic rod, a second clamping groove is formed in the upper portion of the telescopic rod, and a second clamping block is clamped to the inner side of the second clamping groove.

Preferably: the outer side of the second clamping block is connected with the rotary table in a sliding mode, the upper end face of the second clamping block is fixedly connected with a second pull ring, the inner side of the second pull ring is fixedly connected with a second anti-skid block, the second anti-skid block is evenly distributed on the inner side of the second pull ring, the outer side of the upper portion of the second clamping block is fixedly connected with a fixing plate, the lower end face of the fixing plate is fixedly connected with one end of a third spring, and the other end of the third spring is fixedly connected with the upper end face of the rotary table.

Preferably: the lower part of the rotary table is provided with a sliding groove, the lower end face of the telescopic rod is fixedly connected with a sliding block, and the outer side of the sliding block is connected with the sliding groove in a sliding mode.

Preferably: the second limiting groove, the second spring, the telescopic rod, the second clamping groove, the second clamping block, the sliding groove and the sliding block are two in number and are symmetrically distributed on the left side and the right side of the central axis of the rotary table.

Preferably: the end face of the diversion rod, which is close to one side of the valve body, is arc-shaped, the lower end face of the second fixture block is inclined, and the inclination angle of the lower end face of the second fixture block is 20 degrees.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the first limiting block, the adjusting spring, the expansion plate, the first ball and the second ball, the buffer of the adjusting spring and the auxiliary friction reduction of the first ball and the second ball can be utilized, so that the friction of the rotating rod can be better reduced in the rotating process, and the problem that the inner wear of the control valve is serious because a pipeline needs to be opened and closed frequently in the use process of the control valve is solved.

2. According to the invention, through the through groove, the second sealing gasket, the diversion rod, the first limiting groove, the first clamping groove and the first clamping block, the diversion rod can be conveniently moved up and down by utilizing the clamping and the disengagement between the first clamping block and the first clamping groove, so that a certain pressure reduction space is formed on the inner wall in the valve body, the cavitation phenomenon of fluid at the intersection position of the valve core and the valve body is avoided, and the service life of the whole device is prolonged.

3. According to the invention, through the second limiting groove, the second clamping block and the telescopic rod, the clamping and the disengagement of the second clamping block and the second clamping groove can be utilized, so that the telescopic rod can conveniently extend out when the rotary disc is not easy to rotate, an operator can operate the rotary disc more conveniently, and the practicability of the whole device is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 at point A according to the present invention;

FIG. 3 is a schematic view of the structure at B of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 1 at C according to the present invention;

FIG. 5 is a schematic view of the structure of FIG. 1 at D according to the present invention;

FIG. 6 is a schematic view of the structure at E of FIG. 5 according to the present invention.

In the figure: 1-valve body, 2-first sealing gasket, 3-valve core, 4-rotating rod, 5-fixed block, 6-rotating disk, 7-first limited block, 8-adjusting spring, 9-expansion plate, 10-first ball, 11-second limited block, 12-second ball, 13-supporting column, 14-first clamping groove, 15-through groove, 16-second sealing gasket, 17-guide rod, 18-supporting plate, 19-first limited groove, 20-first spring, 21-first clamping block, 22-connecting rod, 23-first pull ring, 24-first anti-skid bump, 25-second limited groove, 26-second spring, 27-expansion rod, 28-second clamping groove, 29-second clamping block, 30-second pull ring, 31-flange plate, 32-second anti-skid bump, 33-fixed plate, 34-third spring, 35-sliding groove, 36-sliding block, 37-limiting plate.

Detailed Description

Example 1:

referring to fig. 1-6, the present invention provides a technical solution:

a super-wear-resistant control valve comprises a valve body 1 and flange plates 31 positioned at two ends of the valve body 1, wherein a groove is formed in the inner side of the valve body 1 and fixedly connected with a first sealing gasket 2, a valve core 3 is contacted with the outer side of the first sealing gasket 2, a rotating rod 4 is fixedly connected to the upper end face of the valve core 3, a fixed block 5 is fixedly connected to the upper end face of the rotating rod 4, a rotary disc 6 is fixedly connected to the upper end face of the fixed block 5, a first limiting block 7 is fixedly connected to the upper end face of the valve body 1, one end of an adjusting spring 8 is fixedly connected to the inner side of the first limiting block 7, an expansion plate 9 is fixedly connected to the other end of the adjusting spring 8, a first ball 10 is embedded in the inner side of the expansion plate 9, the outer side of the first ball 10 is abutted to the rotating rod 4, a second limiting block 11 is fixedly connected to the upper end face of the first limiting block 7, a second ball 12 is embedded in the inner side of the second limiting block 11, the outer side of the second ball 12 is abutted to the rotating rod 4, so that the outer side of the first ball 8 is abutted to the supporting block 13, a first supporting block 17 is fixedly connected to the supporting plate, a flow guiding groove 16 is formed in the inner side of the supporting block 13, a first supporting plate, a first supporting block 17, a flow guiding groove 16 is formed in the supporting block 13, a supporting block 13 is formed in the supporting block, a supporting block 17 groove 16, can utilize block and the separation block between first fixture block 21 and the first draw-in groove 14 like this, make reciprocating of water conservancy diversion pole 17 can be convenient, make the inner wall in the valve body 1 form certain decompression space, avoided the fluid to produce the cavitation at the position that case 3 and valve body 1 intersect, the life of the integrated device has been increased, the outside fixedly connected with connecting rod 22 of first fixture block 21, the first pull ring 23 of the outside fixedly connected with of connecting rod 22, the first skid proof block 24 of the inboard fixedly connected with of first pull ring 23, the even distribution of first skid proof block 24 is in the inboard of first pull ring 23, so can make the operation of integrated device more convenient.

The working process is as follows: firstly, the flange 31 is utilized to effectively connect the whole device with the pipeline, after the connection is completed, when the pipeline needs to be closed or opened, the turntable 6 is firstly held to rotate, so that the fixing block 5 drives the rotating rod 4 to rotate, and further drives the valve core 3 to rotate under the auxiliary cooperation of the first ball 10 and the second ball 12, in the process, if the rotating rod 4 generates a certain displacement, the expansion plate 9 can expand and contract under the action of the adjusting spring 8, so as to adjust the stress of the rotating rod 4, if certain bubbles are generated in the fluid, when the cavitation erosion possibly occurs to the valve body 1 and the valve core 3, the first snap ring 23 is pulled, so that the first snap ring 21 and the first snap ring 14 are disengaged, then the limiting plate 37 is pulled outwards, so that a certain sunken space is formed between the guide rod 17 and the second sealing gasket 16, so that the bubbles in the fluid can be enlarged by utilizing the principle of space and reduced pressure, and the damage of the cavitation erosion phenomenon to the valve body 1 and the valve core 3 is reduced.

Example 2:

on the basis of embodiment 1, the inner side of the rotating disc 6 is provided with a second limiting groove 25, the inner side of the second limiting groove 25 is fixedly connected with one end of a second spring 26, the other end of the second spring 26 is fixedly connected with a telescopic rod 27, the upper portion of the telescopic rod 27 is provided with a second clamping groove 28, the inner side of the second clamping groove 28 is clamped with a second clamping block 29, the outer side of the second clamping block 29 is slidably connected with the rotating disc 6, the upper end surface of the second clamping block 29 is fixedly connected with a second pull ring 30, the inner side of the second pull ring 30 is fixedly connected with a second anti-skid projection 32, the second anti-skid projection 32 is uniformly distributed on the inner side of the second pull ring 30, the outer side of the upper portion of the second clamping block 29 is fixedly connected with a fixing plate 33, the lower end surface of the fixing plate 33 is fixedly connected with one end of a third spring 34, the other end of the third spring 34 is fixedly connected with the upper end surface of the rotating disc 6, so that the clamping and the clamping of the second clamping block 29 and the second clamping groove 28 can be used, the telescopic rod 27 can be conveniently extended when the rotary disc 6 is not operated well, so that an operator can operate the rotary disc 6 more laborsavingly, the practicability of the whole device is improved, the inner side of the lower part of the rotary disc 6 is provided with the sliding groove 35, the lower end face of the telescopic rod 27 is fixedly connected with the sliding block 36, the outer side of the sliding block 36 is in sliding connection with the sliding groove 35, so that the telescopic rod 27 can move more stably, the two second limiting grooves 25, the two second springs 26, the two telescopic rods 27, the two second clamping grooves 28, the two second clamping grooves 27, the two second clamping blocks 29, the two sliding grooves 35 and the two sliding blocks 36 are symmetrically distributed on the left side and the right side of the central axis of the rotary disc 6, so that the stress of the whole device is more balanced, the end face of the diversion rod 17 close to one side of the valve body 1 is arc-shaped, the lower end face of the second fixture block 29 is inclined, and the inclination angle of the lower end face of the second fixture block 29 is 20 degrees, so that the whole device is more reasonable.

When an operator is labored in the process of operating the turntable 6, the second pull ring 30 is pulled to enable the second clamping block 29 and the second clamping groove 28 to be separated from clamping, at the moment, the telescopic rod 27 can be popped out under the elastic recovery of the second spring 26, the sliding block 36 can be positioned under the auxiliary matching of the sliding groove 35, and at the moment, the lengthened telescopic rod 27 can be utilized to rotate the turntable 6.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.

Claims

1. Super wear-resisting control flap includes valve body (1) and is located ring flange (31) at valve body (1) both ends, its characterized in that: the inboard of valve body (1) is seted up fluted and the first sealed pad of fixedly connected with (2), the outside contact of the first sealed pad (2) has case (3), up end fixedly connected with bull stick (4) of case (3), up end fixedly connected with fixed block (5) of bull stick (4), up end fixedly connected with carousel (6) of fixed block (5), the first stopper of up end fixedly connected with (7) of valve body (1), the one end of inboard fixedly connected with regulating spring (8) of first stopper (7), the other end fixedly connected with expansion plate (9) of regulating spring (8), the inboard of expansion plate (9) is inlayed and is had first ball (10), the outside and bull stick (4) butt of first ball (10), the up end fixedly connected with second stopper (11) of first stopper (7), the inboard of second stopper (11) is inlayed and is had second ball (12), the outside and the butt of second ball (12) are changeed and are put.

2. The super abrasive control valve as set forth in claim 1, wherein: the outer end face of the valve body (1) is fixedly connected with a supporting column (13), the upper end face of the supporting column (13) is fixedly connected with a limiting plate (37), a through groove (15) is formed in the valve body (1), a second sealing gasket (16) is fixedly connected to the inner side of the through groove (15), a flow guide rod (17) is contacted with the outer side of the second sealing gasket (16), a supporting plate (18) is fixedly connected to the outer side of the flow guide rod (17), a first clamping groove (14) is formed in the inner side of the supporting column (13), a first limiting groove (19) is formed in the inner side of the supporting plate (18), one end of a first spring (20) is fixedly connected to the inner side of the first limiting groove (19), a first clamping block (21) is fixedly connected to the other end of the first spring (20), and the outer side of the first clamping block (21) is clamped with the first clamping groove (14); the outer side of the first clamping block (21) is fixedly connected with a connecting rod (22), the outer side of the connecting rod (22) is fixedly connected with a first pull ring (23), the inner side of the first pull ring (23) is fixedly connected with a first anti-skidding convex block (24), and the first anti-skidding convex block (24) is uniformly distributed on the inner side of the first pull ring (23).

3. The super abrasive control valve as set forth in claim 2, wherein: second spacing groove (25) have been seted up to the inboard of carousel (6), the one end of inboard fixedly connected with second spring (26) of second spacing groove (25), the other end fixedly connected with telescopic link (27) of second spring (26), second draw-in groove (28) have been seted up on the upper portion of telescopic link (27), the inboard block of second draw-in groove (28) has second fixture block (29).

4. The super abrasive control valve as set forth in claim 3, wherein: the outside and carousel (6) sliding connection of second fixture block (29), up end fixedly connected with second pull ring (30) of second fixture block (29), the inboard fixedly connected with second anti-skidding lug (32) of second pull ring (30), the even distribution of second anti-skidding lug (32) is in the inboard of second pull ring (30), the upper portion outside fixedly connected with fixed plate (33) of second fixture block (29), the lower terminal surface fixedly connected with one end of third spring (34) of fixed plate (33), the other end of third spring (34) and the up end fixed connection of carousel (6).

5. The super abrasive control valve as set forth in claim 4, wherein: the inner side of the lower portion of the rotary table (6) is provided with a sliding groove (35), the lower end face of the telescopic rod (27) is fixedly connected with a sliding block (36), and the outer side of the sliding block (36) is connected with the sliding groove (35) in a sliding mode.

6. The super abrasive control valve as set forth in claim 5, wherein: the number of the second limiting grooves (25), the number of the second springs (26), the number of the telescopic rods (27), the number of the second clamping grooves (28), the number of the second clamping blocks (29), the number of the sliding grooves (35) and the number of the sliding blocks (36) are two, and the second limiting grooves (25), the number of the second springs (26), the number of the telescopic rods (27), the number of the second clamping grooves (28), the number of the second clamping blocks (29), the number of the sliding grooves (35) and the number of the sliding blocks (36) are symmetrically distributed on the left side and the right side of the central axis of the rotary table (6).

7. The super abrasive control valve as set forth in claim 4, wherein: the end face of the diversion rod (17) close to one side of the valve body (1) is arc-shaped, the lower end face of the second clamping block (29) is inclined, and the inclination angle of the lower end face of the second clamping block (29) is 20 degrees.