CN223257542U - A bidirectional high-pressure butterfly valve - Google Patents
A bidirectional high-pressure butterfly valveInfo
- Publication number
- CN223257542U CN223257542U CN202422667544.5U CN202422667544U CN223257542U CN 223257542 U CN223257542 U CN 223257542U CN 202422667544 U CN202422667544 U CN 202422667544U CN 223257542 U CN223257542 U CN 223257542U
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- China
- Prior art keywords
- valve
- wall
- control box
- valve body
- butterfly valve
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- Mechanically-Actuated Valves (AREA)
Abstract
本实用新型公开了一种双向高压蝶阀，包括阀体、阀杆、阀芯、锁块和气囊圈，所述阀杆设置在阀体的内部，所述阀芯固定在阀杆的外壁上，所述阀芯位置处的阀体内壁上固定有密封圈，且所述密封圈的内壁上设置有密封环槽，所述气囊圈粘黏在密封环槽的内壁上，所述阀体顶部的外壁上安装有小型气泵，所述阀体的顶端安装有控制盒，所述控制盒内部的阀杆外壁上套装有锁套，且所述锁套的外壁上皆设置有凸齿，所述锁块皆设置在锁套两侧的控制盒内部。本实用新型不仅设有双重密封，增强了密封性能，使其在介质反向流通时的压力作用下也能保持密封性，而且可对阀杆进行锁定，防止阀杆松动导致关不严的情况，防止介质意外泄漏。
The utility model discloses a bidirectional high-pressure butterfly valve, comprising a valve body, a valve stem, a valve core, a locking block, and an airbag ring. The valve stem is arranged inside the valve body, the valve core is fixed to the outer wall of the valve stem, a sealing ring is fixed to the inner wall of the valve body at the position of the valve core, and a sealing ring groove is provided on the inner wall of the sealing ring. The airbag ring adheres to the inner wall of the sealing ring groove. A small air pump is installed on the outer wall of the top of the valve body. A control box is installed at the top of the valve body. A locking sleeve is mounted on the outer wall of the valve stem inside the control box, and the outer wall of the locking sleeve is provided with convex teeth. The locking blocks are both arranged inside the control box on both sides of the locking sleeve. The utility model not only has a double seal to enhance the sealing performance so that it can maintain sealing under the pressure of reverse medium flow, but also can lock the valve stem to prevent the valve stem from loosening and causing a loose closure, thereby preventing accidental leakage of the medium.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a bidirectional high-pressure butterfly valve.
Background
The butterfly valve is a regulating valve with simple structure and is mainly used for the on-off control of low-pressure pipeline media. The closure member (flap or butterfly plate) of butterfly valves is disc-shaped and rotates about a valve axis to effect opening and closing. The valve has the main functions of cutting off and throttling on a pipeline, and can control the flow of air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and other fluids, and the opening and closing part of the butterfly valve is a disc-shaped butterfly plate which rotates around the axis of the butterfly valve in the valve body, so that the aim of opening and closing or adjusting is fulfilled.
Butterfly valves are usually provided with a sealing ring on a valve core, but the sealing effect is limited to one-way sealing, when a medium flows reversely, the sealing ring is easily separated from a valve body under the action of pressure, the leakage is easy to occur, a valve rod lacks a locking function, after the valve core is closed, the valve rod is easily loosened to cause the loose closing condition, and the medium is accidentally leaked, so that improvement is needed.
Disclosure of utility model
The utility model aims to provide a bidirectional high-pressure butterfly valve, which solves the problems in the prior art.
The bidirectional high-pressure butterfly valve comprises a valve body, a valve rod, a valve core, a locking block and an air bag ring, wherein the valve rod is arranged in the valve body, the valve core is fixed on the outer wall of the valve rod, a sealing ring is fixed on the inner wall of the valve body at the position of the valve core, a sealing ring groove is arranged on the inner wall of the sealing ring, the air bag ring is adhered on the inner wall of the sealing ring groove, a small air pump is arranged on the outer wall of the top of the valve body, a control box is arranged at the top end of the valve body, a locking sleeve is sleeved on the outer wall of the valve rod in the control box, protruding teeth are arranged on the outer wall of the locking sleeve, the locking blocks are arranged in the control boxes at two sides of the locking sleeve, a driving box is fixed on one side of the control box, and a bidirectional screw rod is arranged in the driving box.
Preferably, the output end of the small air pump is provided with an air pipe, the bottom end of the air pipe is communicated with the air bag ring, the small air pump is inflated into the air bag ring in the sealing ring groove through the air pipe, the air bag ring is tightly adhered to the valve core and fills a gap between the valve core and the valve body, so that the sealing performance is enhanced, and the sealing performance can be kept under the pressure effect when a medium flows reversely.
Preferably, the locking piece is provided with the arc groove on being close to the outer wall of lock sleeve one side, just the surface of arc groove is provided with the tooth's socket, and the tooth's socket is mutually supported with the dogtooth, and the lock piece is cliied the lock sleeve from both sides to tooth's socket and the dogtooth block on the lock sleeve outer wall through the arc inslot can lock the valve rod, prevents that the valve rod from becoming flexible leads to closing the condition not tight, prevents that the medium is unexpected to leak.
Preferably, a guide rod is fixed at one side of the control box, and the movable arm can be guided.
Preferably, the outer walls of the guide rods are sleeved with movable arms, and one ends of the movable arms are fixedly connected with the locking blocks.
Preferably, the other end of the locking piece extends to the inside of the driving box and is fixedly provided with a sliding block, and the sliding block is in threaded connection with the bidirectional screw rod.
Preferably, one end of the bidirectional screw rod extends to the outside of the driving box and is provided with a knob.
Preferably, the top end of the valve rod penetrates the control box.
Compared with the prior art, the utility model has the beneficial effects that:
After the butterfly valve is closed, the valve core is tightly attached to the sealing ring, so that the sealing effect is achieved, and further, the small air pump is inflated into the air bag ring in the sealing ring groove through the air pipe, the air bag ring is tightly attached to the valve core and fills the gap between the valve core and the valve body, so that the sealing performance is enhanced, and the sealing performance can be kept under the pressure effect when a medium flows reversely;
The bidirectional screw rod is enabled to rotate through the knob, the sliding block is enabled to translate along the bidirectional screw rod and drive the locking block to translate through the movable arm, the guide rod guides the movable arm, the locking block clamps the lock sleeve from two sides, and the valve rod can be locked through tooth grooves in the arc grooves and convex teeth on the outer wall of the lock sleeve, so that the loose condition of the valve rod caused by loose closing is prevented, and accidental leakage of media is prevented.
Drawings
FIG. 1 is a schematic side sectional view of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 4 is an enlarged schematic top view of the lock block of the present utility model;
Fig. 5 is a schematic top view of an enlarged cross-sectional structure of the driving box of the present utility model.
The valve comprises a valve body 1, a valve rod 2, a valve rod 3, a valve core 4, a small air pump 5, a control box 6, a lock sleeve 7, a driving box 8, a bidirectional screw rod 9, a sliding block 10, a movable arm 11, a locking block 12, a sealing ring 13, a sealing ring groove 14, an air bag ring 15, an air pipe 16, an arc groove 17, a tooth socket 18, a convex tooth 19, a guide rod 20 and a knob.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to fig. 1-5, the embodiment of the utility model provides a bidirectional high-pressure butterfly valve, which comprises a valve body 1, a valve rod 2, a valve core 3, a locking block 11 and an air bag ring 14, wherein the valve rod 2 is arranged in the valve body 1, the valve core 3 is fixed on the outer wall of the valve rod 2, a sealing ring 12 is fixed on the inner wall of the valve body 1 at the position of the valve core 3, a sealing ring groove 13 is arranged on the inner wall of the sealing ring 12, the air bag ring 14 is adhered on the inner wall of the sealing ring groove 13, and a small air pump 4 is arranged on the outer wall of the top of the valve body 1;
The top end of the valve body 1 is provided with a control box 5, the outer wall of a valve rod 2 in the control box 5 is sleeved with a lock sleeve 6, the outer walls of the lock sleeve 6 are provided with convex teeth 18, the lock blocks 11 are arranged in the control box 5 at two sides of the lock sleeve 6, one side of the control box 5 is fixedly provided with a driving box 7, and the inside of the driving box 7 is provided with a bidirectional screw rod 8;
The output end of the small air pump 4 is provided with an air pipe 15, and the bottom end of the air pipe 15 is communicated with the air bag ring 14;
Specifically, the valve rod 2 drives the valve core 3 to rotate to control the opening and closing states of the butterfly valve, after the butterfly valve is closed, the valve core 3 is tightly attached to the sealing ring 12 to play a sealing role, and further, the small air pump 4 inflates an air bag ring 14 in the sealing ring groove 13 through the air pipe 15, the air bag ring 14 is tightly attached to the valve core 3 and fills a gap between the valve core 3 and the valve body 1, so that the sealing performance is enhanced, and the sealing performance can be maintained under the pressure action of medium reverse circulation;
An arc groove 16 is formed in the outer wall of the lock block 11, which is close to one side of the lock sleeve 6, a tooth groove 17 is formed in the surface of the arc groove 16, and the tooth groove 17 is matched with the convex tooth 18;
An arc groove 16 is formed in the outer wall of the lock block 11, which is close to one side of the lock sleeve 6, a tooth groove 17 is formed in the surface of the arc groove 16, and the tooth groove 17 is matched with the convex tooth 18;
a guide rod 19 is fixed on one side of the inside of the control box 5;
The outer walls of the guide rods 19 are sleeved with movable arms 10, and one ends of the movable arms 10 are fixedly connected with the locking blocks 11;
The other end of the locking block 11 extends into the driving box 7 and is fixedly provided with a sliding block 9, and the sliding block 9 is in threaded connection with the bidirectional screw rod 8;
One end of the bidirectional screw rod 8 extends to the outside of the driving box 7 and is provided with a knob 20;
specifically, the bidirectional screw rod 8 is rotated through the knob 20, the sliding block 9 translates along the bidirectional screw rod 8 and drives the locking block 11 to translate through the movable arm 10, the movable arm 10 is guided by the guide rod 19, the locking block 11 clamps the lock sleeve 6 from two sides, and the valve rod 2 can be locked through the engagement of tooth grooves 17 in the arc grooves 16 and convex teeth 18 on the outer wall of the lock sleeve 6, so that the condition of loose closing of the valve rod 2 is prevented, and accidental leakage of a medium is prevented;
The top end of the valve rod 2 penetrates the control box 5.
When the embodiment of the application is used, firstly, the valve rod 2 drives the valve core 3 to rotate to control the opening and closing state of the butterfly valve, after the butterfly valve is closed, the valve core 3 is tightly attached to the sealing ring 12 to play a sealing role, further, the small air pump 4 is inflated into the air bag ring 14 in the sealing ring groove 13 through the air pipe 15, the air bag ring 14 is tightly attached to the valve core 3 and fills the gap between the valve core 3 and the valve body 1, the sealing performance is enhanced, the sealing performance can be kept under the pressure effect when a medium flows reversely, then, the bidirectional screw rod 8 is rotated through the knob 20, the sliding block 9 is enabled to translate along the bidirectional screw rod 8 and drive the locking block 11 to translate through the movable arm 10, the movable arm 10 is guided by the guide rod 19, the locking block 11 clamps the lock sleeve 6 from two sides, and the convex teeth 18 on the outer wall of the lock sleeve 6 are blocked through the tooth grooves 17 in the arc groove 16, so that the valve rod 2 can be locked, the condition of being not tightly closed due to the medium leakage is prevented.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
Claims (8)
1. The utility model provides a two-way high pressure butterfly valve, its characterized in that, including valve body (1), valve rod (2), case (3), latch segment (11) and airbag (14), valve rod (2) set up the inside at valve body (1), case (3) are fixed on the outer wall of valve rod (2), be fixed with sealing washer (12) on valve body (1) inner wall of case (3) position department, just be provided with sealed annular (13) on the inner wall of sealing washer (12), airbag (14) glues gluey on the inner wall of sealed annular (13), install small-size air pump (4) on the outer wall at valve body (1) top, control box (5) are installed on the top of valve body (1), the cover is equipped with lock sleeve (6) on the inside valve rod (2) outer wall of control box (5), just all be provided with protruding tooth (18) on the outer wall of lock sleeve (6), latch segment (11) all set up inside control box (5) of lock sleeve (6) both sides, one side of control box (5) is fixed with 7) and drive screw (8) are installed to drive screw rod (8).
2. The bidirectional high-pressure butterfly valve of claim 1, wherein the output end of the small air pump (4) is provided with an air pipe (15), and the bottom end of the air pipe (15) is communicated with the air bag ring (14).
3. The bidirectional high-pressure butterfly valve of claim 1, wherein an arc groove (16) is formed in the outer wall of one side, close to the lock sleeve (6), of the lock block (11), tooth grooves (17) are formed in the surface of the arc groove (16), and the tooth grooves (17) are matched with the convex teeth (18).
4. The bidirectional high-pressure butterfly valve of claim 1, wherein a guide rod (19) is fixed on one side of the inside of the control box (5).
5. The bidirectional high-pressure butterfly valve of claim 4, wherein the outer walls of the guide rods (19) are sleeved with movable arms (10), and one ends of the movable arms (10) are fixedly connected with the locking blocks (11).
6. The bidirectional high-pressure butterfly valve of claim 5, wherein the other end of the locking block (11) extends into the driving box (7) and is fixedly provided with a sliding block (9), and the sliding block (9) is in threaded connection with the bidirectional screw rod (8).
7. A bi-directional high pressure butterfly valve according to claim 1, wherein one end of the bi-directional screw (8) extends outside the drive box (7) and is fitted with a knob (20).
8. A bi-directional high pressure butterfly valve as in claim 1 wherein the top end of the valve stem (2) extends through the control box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422667544.5U CN223257542U (en) | 2024-11-01 | 2024-11-01 | A bidirectional high-pressure butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422667544.5U CN223257542U (en) | 2024-11-01 | 2024-11-01 | A bidirectional high-pressure butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223257542U true CN223257542U (en) | 2025-08-22 |
Family
ID=96766915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422667544.5U Active CN223257542U (en) | 2024-11-01 | 2024-11-01 | A bidirectional high-pressure butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223257542U (en) |
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2024
- 2024-11-01 CN CN202422667544.5U patent/CN223257542U/en active Active
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