CN218564549U

CN218564549U - High-pressure valve capable of preventing valve rod from returning

Info

Publication number: CN218564549U
Application number: CN202222454712.3U
Authority: CN
Inventors: 刘宾; 赵天明
Original assignee: Shandong Wanluoxinhe Control Engineering Co ltd
Current assignee: Shandong Wanluoxinhe Control Engineering Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-03-03
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a can prevent high-pressure valve that valve rod rolled back, set up the screwed valve gap including the valve body and locating the outside lateral wall of valve body and center, the valve rod is worn to be equipped with by the valve gap screw thread, the valve rod top is connected with the carousel, it is connected with inside hollow lower carousel to go up the carousel through the linkage subassembly, the all lateral wall covers of lower carousel are equipped with the piece of stopping, the outside lateral wall symmetry of valve body is equipped with a plurality of supporting shoes, lower carousel rotates the butt with the supporting shoe, a lateral wall that the valve gap was kept away from to the supporting shoe is connected with L type frame, L type frame tip is equipped with the connection cassette, it wears to be equipped with the screw rod to connect the cassette screw thread, the screw rod bottom is connected with the friction check piece, the screw rod other end is connected with the knob, the last carousel with rotate with synchronous through linkage subassembly and lower carousel, drive the screw rod through rotating the knob and be connected between the cassette and rotate the longitudinal position that changes the friction check piece to its bottom and stop piece top butt, the rotation of carousel under the friction control that the friction check piece provided.

Description

High-pressure valve capable of preventing valve rod from returning

Technical Field

The utility model relates to a high-pressure valve technical field specifically is a can prevent high-pressure valve that valve rod rolled back.

Background

The high-pressure valve is widely applied to the fields of superhard material manufacturing, chemical industry, petrochemical industry, processing technology, isostatic pressing treatment, ultrahigh static pressure extrusion, powder metallurgy, metal forming, geophysical and geomechanics research and the like, is widely used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is a disc-shaped valve plate which rotates around the axis of the high-pressure valve plate in a valve body so as to achieve the purpose of opening and closing or adjusting.

When the high-pressure valve in the prior art is used, most of the high-pressure valve is exposed to the outside for a long time, the rotation preventing blocking is necessary due to the fact that the brake valve rod is short, the rotating frame which is synchronously connected with the valve rod and rotates is not limited due to rotation limitation, the valve rod is easy to return due to misoperation or mistaken collision of non-operating personnel, the valve rod returns due to the fact that the pressure of fluid flowing through the high-pressure valve is large, and fluid leakage is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a can prevent that valve rod from returning high-pressure valve, go up the carousel and rotate with the lower carousel is synchronous through the linkage subassembly, the vertical position of in-process lower carousel does not change, drive the screw rod through rotating the knob and be connected between the cassette vertical position that changes the friction check piece to its bottom and the butt of piece top of stopping, the rotation of carousel under the frictional force control that provides through the friction check piece, and then the rotation of control carousel and valve rod, effectively prevent that the mistake from touching or the great valve rod that causes of self fluid pressure from returning the problem.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a can prevent high-pressure valve that valve rod rolled back, includes inside cavity and both ends for the valve body of open end and locate the outside lateral wall of valve body and set up the screwed valve gap at the center, the valve rod is worn to be equipped with by the valve gap screw thread, the valve rod top is connected with the carousel, it is connected with inside hollow lower carousel through the linkage subassembly to go up the carousel, lower carousel week lateral wall cover is equipped with the piece of stopping, the outside lateral wall symmetry of valve body is equipped with a plurality of supporting shoes, carousel and supporting shoe rotation butt down, a lateral wall that the valve gap was kept away from to the supporting shoe is connected with L type frame, L type frame tip is equipped with the connection cassette, it wears to be equipped with the screw rod to connect the cassette screw thread, the screw rod bottom is connected with the friction check piece, the screw rod other end is connected with the knob, friction check piece bottom and the butt of stopping piece top.

Preferably, the linkage subassembly is including locating down a plurality of inside hollow upright section of thick bamboos on carousel top, it wears to be equipped with the chuck to found a section of thick bamboo slip, chuck top center is connected with the stand, the stand other end passes through screw connection with last carousel, the linkage subassembly still includes the spring, the spring sets up between carousel and chuck down, and is located upright section of thick bamboo inside, and valve rod and valve gap pivoted in-process change the vertical position between carousel and the valve body, and the in-process chuck slides between the upright section of thick bamboo and changes the stand and stretch out and draw back in the length in founding a section of thick bamboo.

Preferably, the two ends of the valve body are both connected with flange plates, a plurality of limiting columns are symmetrically arranged on the peripheral side wall outside the valve body, and the flange plates can be used for connecting the valve body with an external fluid communication pipeline conveniently.

Preferably, circular spout has been seted up to the inside week lateral wall of carousel down, the week lateral wall of valve gap is connected with a plurality of gag lever posts, and is a plurality of the gag lever post all with circular spout sliding connection, the gag lever post slides in circular spout, can avoid down the carousel to rotate the change that the in-process takes place longitudinal position in the linkage with last carousel.

Preferably, the bottom end of the lower rotary table is symmetrically provided with a plurality of limiting arc plates, the limiting arc plates are respectively in sliding connection with limiting arc grooves formed in the top end of the supporting block, and the sliding connection between the limiting arc plates and the limiting arc grooves can further increase the rotation synchronism and the rotation stability of the lower rotary table.

Preferably, the rotating frame is connected with on the upper rotating disc top, and the rotating frame is stirred to the manual operation can drive the upper rotating disc and rotate, and then drives and rotate the circulation condition that changes the valve body between valve rod and the valve gap.

Preferably, the L-shaped frame is connected with a fixed clamping seat at the folding angle, the limiting column penetrates through the fixed clamping seat and is sleeved with a nut at the end part through a thread, the bottom end of the nut is abutted against the top end of the fixed clamping seat, and the connection fastening degree of the L-shaped frame and the supporting block can be increased by connecting the fixed clamping seat and the limiting column through the nut.

Preferably, the upper rotary disc and the lower rotary disc synchronously rotate through the linkage assembly, and the upper rotary disc drives the valve rod and the valve cover to rotate in the process of rotating, and the lower rotary disc and the valve cover are synchronously driven to rotate.

The utility model has the advantages that:

the utility model provides an go up the carousel and rotate with the lower carousel is synchronous through the linkage subassembly, the vertical position of in-process lower carousel does not change, drive the screw rod through rotating the knob and be connected between the cassette and rotate the vertical position that changes friction check piece to its bottom and stop piece top butt, the rotation of carousel under the frictional force control that provides through friction check piece, and then the rotation of control carousel and valve rod, effectively prevent that the mistake from touching or the valve rod that self fluid pressure is great causes rolls back the problem.

Drawings

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

FIG. 2 is a schematic plan view of the present invention;

fig. 3 is a schematic plan top view of the present invention;

fig. 4 is a schematic plan side view of the present invention;

FIG. 5 is a schematic view of the part A of the present invention;

fig. 6 is a schematic cross-sectional view of the utility model at the position B-B.

In the figure: 1. a valve body; 2. a flange plate; 3. a valve cover; 4. a valve stem; 5. an upper turntable; 6. rotating the frame; 7. a limiting rod; 8. a lower turntable; 9. a limiting arc plate; 10. a support block; 11. a limiting arc groove; 12. erecting a cylinder; 13. a column; 14. a chuck; 15. a spring; 16. a circular chute; 17. an L-shaped frame; 18. fixing the card holder; 19. a limiting column; 20. a nut; 21. connecting the card holder; 22. a screw; 23. a friction check sheet; 24. a knob; 25. and a brake sheet.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and all the directional indicators (such as upper, lower, left, right, front and back 8230; etc.) in the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the accompanying drawings), and if the specific posture is changed, the directional indicator is also changed accordingly.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a can prevent high-pressure valve that valve rod moved back, including inside cavity and both ends for the valve body 1 of open end and locate valve body 1 outside lateral wall and the center and set up screwed valve gap 3, valve rod 4 is worn to be equipped with by valve gap 3 screw thread, valve rod 4 top is connected with carousel 5, it is connected with inside hollow lower carousel 8 to go up carousel 5 through linkage assembly, 8 side wall covers around the carousel are equipped with the piece of stopping 25 down, valve body 1 outside lateral wall symmetry is equipped with a plurality of supporting shoes 10, lower carousel 8 rotates the butt with supporting shoe 10, a lateral wall that valve gap 3 was kept away from to supporting shoe 10 is connected with L type frame 17, L type frame 17 tip is equipped with connects cassette 21, it wears to be equipped with screw rod 22 to connect cassette 21 screw thread, screw rod 22 bottom is connected with friction check piece 23, the screw rod 22 other end is connected with knob 24, friction check piece 23 bottom and the butt of stopping 25 top, be provided with the valve ring (not drawn in the picture) that is used for switching valve body 1 through the shaft coupling mechanism in valve rod 4 bottom, the lift rotation of valve rod 4 realizes the rotatory switching of valve ring through the shaft coupling effect of shaft coupling mechanism.

Linkage assembly is including locating down a plurality of inside hollow upright section of thick bamboos 12 on 8 tops of carousel, found section of thick bamboo 12 and slide and wear to be equipped with chuck 14, chuck 14 top center is connected with stand 13, the stand 13 other end passes through the screw connection with last carousel 5, linkage assembly still includes spring 15, spring 15 sets up between carousel 8 and chuck 14 down, and be located upright 12 insidely, valve rod 4 and valve gap 3 pivoted in-process change go up the vertical position between carousel 5 and the valve body 1, the in-process chuck 14 and found section of thick bamboo slide between 12 and change stand 13 and stretch out and draw back in the length in founding section of thick bamboo 12.

The two ends of the valve body 1 are both connected with flange plates 2, the peripheral side wall of the outer part of the valve body 1 is symmetrically provided with a plurality of limiting columns 19, and the flange plates 2 can be used for connecting the valve body 1 with an external fluid communication pipeline conveniently.

Circular spout 16 has been seted up to 8 inside week side walls of carousel down, and 3 week side walls of valve gap are connected with a plurality of gag lever post 7, a plurality of gag lever posts 7 all with 16 sliding connection of circular spout, gag lever post 7 slide in circular spout 16, can avoid carousel 8 down in the linkage rotation process with last carousel 5 to take place the change of longitudinal position.

Lower carousel 8 bottom symmetry is equipped with a plurality of spacing arc boards 9, a plurality of spacing arc boards 9 respectively with the spacing arc groove 11 sliding connection that supporting shoe 10 top was seted up, sliding connection can be further increase down carousel 8's rotation synchronism and stability of rotation between spacing arc board 9 and the spacing arc groove 11.

Go up 5 tops of carousel and be connected with the revolving rack 6, manually stir revolving rack 6 and can drive carousel 5 and rotate, and then drive and rotate the circulation condition that changes valve body 1 between valve rod 4 and the valve gap 3.

L type frame 17 dog-ear is connected with fixed cassette 18, and spacing post 19 runs through fixed cassette 18 and is equipped with nut 20 at tip screw thread cover, nut 20 bottom and the 18 top butt of fixed cassette, is connected through nut 20 between fixed cassette 18 and the spacing post 19 and can increases L type frame 17 and supporting shoe 10's the fastening degree of being connected.

Go up carousel 5 and down carousel 8 and pass through linkage assembly synchronous rotation, go up the in-process that carousel 5 drove rotation between valve rod 4 and the valve gap 3, rotate between synchronous motion lower carousel 8 and the valve gap 3.

The working principle is as follows: go up and rotate through linkage assembly synchronization between carousel 5 and the lower carousel 8, when stirring revolving rack 6, go up carousel 5 and rotate, it changes the inside circulation condition of valve body 1 to drive to rotate between valve rod 4 and the valve gap 3, it is rotatory between lower carousel 8 and the valve gap 3 of synchronous in-process, when needing to prevent that valve rod 4 from returning back, rotation knob 24 drives screw rod 22 and is connected between the cassette 21 rotatoryly, and then change the longitudinal position of friction check piece 23 and stop 25 top butt of piece until its bottom and 8 lateral walls of lower carousel, utilize the frictional force that friction check piece 23 improved to control down the further rotation of carousel 8, and then control the rotation of carousel 5 and valve rod 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high pressure valve capable of preventing valve rod from backing off is characterized in that: including inside cavity and both ends for valve body (1) of open end and locate valve body (1) outside lateral wall and center and set up screwed valve gap (3), valve rod (4) are worn to be equipped with by valve gap (3) screw thread, valve rod (4) top is connected with carousel (5), it is connected with inside hollow lower carousel (8) through linkage assembly to go up carousel (5), carousel (8) week side wall cover is equipped with brake block (25) down, valve body (1) outside lateral wall symmetry is equipped with a plurality of supporting shoes (10), carousel (8) and supporting shoe (10) rotate the butt down, a lateral wall that valve gap (3) were kept away from in supporting shoe (10) is connected with L type frame (17), L type frame (17) tip is equipped with and connects cassette (21), it wears to be equipped with screw rod (22) to connect cassette (21) screw thread, screw rod (22) bottom is connected with friction and ends piece (23), the screw rod (22) other end is connected with knob (24), friction ends piece (23) and brake block (25) top butt.

2. The high-pressure valve capable of preventing the valve stem from backing up as claimed in claim 1, wherein: linkage subassembly is including locating down a plurality of inside hollow upright section of thick bamboos (12) on carousel (8) top, it wears to be equipped with chuck (14) to found section of thick bamboo (12) slip, chuck (14) top center is connected with stand (13), stand (13) other end and last carousel (5) pass through the screw connection, the linkage subassembly still includes spring (15), spring (15) set up under between carousel (8) and chuck (14), and are located upright section of thick bamboo (12) inside.

3. The high-pressure valve capable of preventing the valve stem from backing up as claimed in claim 1, wherein: the valve body (1) both ends all are connected with ring flange (2), valve body (1) outside week lateral wall symmetry is equipped with a plurality of spacing posts (19).

4. A high pressure valve preventing the backward movement of a valve stem according to claim 1, wherein: circular spout (16) have been seted up to carousel (8) inside week lateral wall down, valve gap (3) week lateral wall is connected with a plurality of gag lever posts (7), and is a plurality of gag lever post (7) all with circular spout (16) sliding connection.

5. The high-pressure valve capable of preventing the valve stem from backing up as claimed in claim 1, wherein: a plurality of limiting arc plates (9) are symmetrically arranged at the bottom end of the lower rotary table (8), and the limiting arc plates (9) are respectively in sliding connection with limiting arc grooves (11) formed in the top ends of the supporting blocks (10).

6. The high-pressure valve capable of preventing the valve stem from backing up as claimed in claim 2, wherein: the top end of the upper turntable (5) is connected with a rotating frame (6).

7. A high pressure valve preventing the backward movement of a valve stem according to claim 3, wherein: the L-shaped frame (17) is connected with a fixed clamping seat (18) at the folded angle, the limiting column (19) penetrates through the fixed clamping seat (18) and is sleeved with a nut (20) at the end part through threads, and the bottom end of the nut (20) is abutted to the top end of the fixed clamping seat (18).

8. A high pressure valve preventing a valve stem from retreating according to any one of claims 1 to 7, wherein: the upper turntable (5) and the lower turntable (8) synchronously rotate through the linkage assembly.