CN218992422U

CN218992422U - Integral type one-way sealing ball valve that prevents frostbite

Info

Publication number: CN218992422U
Application number: CN202320033568.8U
Authority: CN
Inventors: 赵永胜
Original assignee: Hebei Churun Water Saving Irrigation Technology Co ltd
Current assignee: Hebei Churun Water Saving Irrigation Technology Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-09
Anticipated expiration: 2033-01-06

Abstract

The application discloses be applied to valve technical field's a one-piece anti-freezing unidirectional sealing ball valve, including the valve body, fix the ball package on the valve body and rotate the ball valve body of installing in the ball package, the valve pocket with the valve body intercommunication has been seted up at ball valve body middle part, and valve pocket internally mounted has anti-freezing subassembly, when the ball valve body is closed, can drive the triggering lever simultaneously when making the ball valve body close through the triggering lever and rotate, can extrude the pressurized gasbag layer when the triggering lever rotates, so the gas in the pressurized gasbag layer can enter into the lift gasbag layer through the hose, when the ball valve body is closed completely, so pressurized gasbag layer will be compressed completely at this time, the thrust that the lift gasbag layer produced can be greater than extension spring's pulling force, thereby the flowing back piece can upwards move with the flowing back groove separation under the promotion of lift gasbag layer, so the remaining liquid of ball valve body internal portion can flow into in the flowing back groove automatically, draining groove and fluid pipe intercommunication, so can effectively avoid the liquid to remain in the valve body, the effect of preventing frostbite.

Description

Integral type one-way sealing ball valve that prevents frostbite

Technical Field

The application relates to the technical field of valves, in particular to an integrated antifreezing one-way sealing ball valve.

Background

The ball valve is a valve with a ball body driven by a valve rod and rotating around the axis of the ball valve, the ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, the ball valve can be closed and opened only by rotating ninety degrees and applying smaller rotating moment, and the ball valve is good in tightness.

In winter, especially in winter in north, the temperature is lower, and the liquid that the inner wall remained easily freezes when the ball valve closed, leads to the unable normal opening of ball valve, and even the valve body of ball valve is expanded, is frozen and splits, causes the whole scrappage of ball valve.

Disclosure of Invention

The utility model provides an integral type one-way sealing ball valve that prevents frostbite, including valve body, the ball package of fixing on the valve body and the ball valve body of rotating installing in the ball package, the valve pocket with the valve body intercommunication has been seted up at the ball valve body middle part, and valve pocket internally mounted has the subassembly that prevents frostbite, compared with the prior art to solve the lower temperature, the ball valve is frozen easily, leads to the fact the unable normal opening of ball valve, and even the valve body of ball valve is expanded, is frozen and leads to the fact the whole problem of scrapping of ball valve; the anti-freezing assembly comprises a liquid discharge groove formed in the bottom of the valve cavity, a liquid discharge block is inserted in the liquid discharge groove, a lifting air bag layer for driving the liquid discharge block to move is mounted on the ball valve body, an extension spring is fixed between the liquid discharge block and the ball valve body, a trigger rod is fixed at the bottom of the ball valve body, a pressurized air bag layer is fixed at the outer side of the trigger rod, the pressurized air bag layer and the lifting air bag layer are communicated through a hose, and a liquid discharge pipe communicated with the liquid discharge groove is fixed at the bottom of the valve body.

When the ball valve body is closed, the trigger rod is synchronously driven to rotate when the ball valve body is closed through the trigger rod, the pressure-bearing air bag layer is extruded when the trigger rod rotates, so that gas in the pressure-bearing air bag layer can enter the lifting air bag layer through the hose, when the ball valve body is completely closed, the pressure-bearing air bag layer is completely compressed, the thrust generated by the lifting air bag layer can be greater than the tension of the tension spring, the liquid draining block can move upwards under the pushing of the lifting air bag layer to be separated from the liquid draining groove, residual liquid in the ball valve body can automatically flow into the liquid draining groove, and the liquid draining groove is communicated with the liquid draining pipe, so that the liquid can be effectively prevented from remaining in the valve body, and the antifreezing effect is achieved.

Optionally, the top of the valve body is rotationally and hermetically connected with a control rod, and the bottom of the control rod is fixed with the ball valve body. The ball valve body can be controlled to rotate through the control rod, so that a worker can adjust water flow at multiple angles according to needs, and the water flow control valve is convenient to use.

Optionally, a damping groove is formed in the outer side of a part of the control rod, which is located on the valve body, a damping block is propped against the damping groove, and a compression spring is fixed at one end, away from the damping groove, of the damping block. The rotary friction force of the control rod can be increased through the damping block, the rotary resistance of the ball valve body is further increased, the ball valve body is more stable in the use process, the damping block can be contracted through the compression spring, the buffering effect is achieved, and the service life of the damping block is effectively prolonged.

Optionally, a sealing ring is fixed at the joint of the liquid draining block and the liquid draining groove, and the thickness of the liquid draining block is consistent with the depth of the liquid draining groove. The sealing ring can effectively prevent liquid from leaking when the liquid draining block is attached to the liquid draining groove, and the sealing effect is improved.

Optionally, the bottom of the trigger rod is rotationally connected with the inner wall of the valve body, and one end of the outer side of the trigger rod protrudes outwards and is fixed with the compressed air bag layer. The triggering rod can press the pressed air bag layer through the protruding part, so that the pressed air bag layer correspondingly contracts, and the internal gas is discharged.

Optionally, the inside of the compressed air bag layer is hollow, and the inside of the compressed air bag layer is filled with gas.

Compared with the prior art, the advantage of this application lies in:

(1) When the ball valve body is closed, the trigger rod is synchronously driven to rotate when the ball valve body is closed through the trigger rod, the pressure-bearing air bag layer is extruded when the trigger rod rotates, so that gas in the pressure-bearing air bag layer can enter the lifting air bag layer through the hose, when the ball valve body is completely closed, the pressure-bearing air bag layer is completely compressed, the thrust generated by the lifting air bag layer can be greater than the tension of the tension spring, the liquid draining block can move upwards under the pushing of the lifting air bag layer to be separated from the liquid draining groove, residual liquid in the ball valve body can automatically flow into the liquid draining groove, and the liquid draining groove is communicated with the liquid draining pipe, so that the liquid can be effectively prevented from remaining in the valve body, and the antifreezing effect is achieved.

(2) The ball valve body can be controlled to rotate through the control rod, so that a worker can adjust water flow at multiple angles according to needs, and the water flow control valve is convenient to use.

(3) The rotary friction force of the control rod can be increased through the damping block, the rotary resistance of the ball valve body is further increased, the ball valve body is more stable in the use process, the damping block can be contracted through the compression spring, the buffering effect is achieved, and the service life of the damping block is effectively prolonged.

Drawings

FIG. 1 is a schematic view of a partial cross-sectional perspective structure of the present application;

FIG. 2 is a schematic cross-sectional view of the present application;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2 of the present application;

FIG. 4 is a schematic top view of the trigger rod and pressurized air bladder layer of the present application;

fig. 5 is a schematic perspective view of the present application.

The reference numerals in the figures illustrate:

1. a valve body; 2. a ball valve body; 3. a valve cavity; 4. a liquid discharge tank; 5. a liquid discharge block; 6. lifting the air bag layer; 7. a tension spring; 8. a trigger lever; 9. a compressed air bag layer; 10. a liquid discharge pipe; 11. a control lever; 12. a damping block; 13. and (3) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments in the present application are all within the scope of protection of the present application.

The application discloses an integral type anti-freezing unidirectional sealing ball valve, please refer to fig. 1-5, including valve body 1, ball bag fixed on valve body 1 and ball valve body 2 rotatably installed in ball bag, valve cavity 3 communicated with valve body 1 is offered at the middle part of ball valve body 2, wherein, valve cavity 3 includes first valve cavity and second valve cavity, first valve cavity and second valve cavity all run through ball valve body 2, the second valve cavity middle part is fixed with the regulating plate, so make the staff can adjust the water flow according to the multiple angle of needs, easy to use, and valve cavity 3 internally mounted has the anti-freezing assembly; the anti-freezing assembly comprises a liquid discharge groove 4 formed in the bottom of a valve cavity 3, a liquid discharge block 5 is inserted into the liquid discharge groove 4, a lifting air bag layer 6 for driving the liquid discharge block 5 to move is arranged on a ball valve body 2, an extension spring 7 is fixed between the liquid discharge block 5 and the ball valve body 2, a trigger rod 8 is fixed at the bottom of the ball valve body 2, a pressurized air bag layer 9 is fixed at the outer side of the trigger rod 8, the pressurized air bag layer 9 and the lifting air bag layer 6 are communicated through a hose, and a liquid discharge pipe 10 communicated with the liquid discharge groove 4 is fixed at the bottom of a valve body 1.

When the ball valve body 2 is closed, part of liquid can remain in the valve cavity 3 in the ball valve body 2, so that the liquid in the ball valve body 2 can be frozen in a cold environment to cause that the ball valve body 2 cannot be normally opened; when the ball valve body 2 is closed, the trigger rod 8 is synchronously driven to rotate, the trigger rod 8 rotates and presses the pressed air bag layer 9, so that gas in the pressed air bag layer 9 can enter the lifting air bag layer 6 through a hose, when the ball valve body 2 is completely closed, the pressed air bag layer 9 is completely compressed, the thrust generated by the lifting air bag layer 6 can be larger than the tension of the tension spring 7, the liquid draining block 5 can move upwards under the pushing of the lifting air bag layer 6 so as to be separated from the liquid draining groove 4, the residual liquid in the ball valve body 2 can automatically flow into the liquid draining groove 4, and the liquid draining groove 4 is communicated with the liquid draining pipe 10, so that the liquid can be effectively prevented from remaining in the valve body 1, and the antifreezing effect is achieved.

The top of the valve body 1 is rotationally and hermetically connected with a control rod 11, and the bottom of the control rod 11 is fixed with the ball valve body 2. The rotation of the ball valve body 2 can be controlled through the control rod 11, so that a worker can adjust water flow at multiple angles according to needs, the use is convenient, a damping groove is formed in the outer side of the part of the control rod 11, which is positioned on the valve body 1, a damping block 12 is propped against the damping groove, and a compression spring is fixed at one end, away from the damping groove, of the damping block 12. The rotary friction force of the control rod 11 can be increased through the damping block 12, so that the rotary resistance of the ball valve body 2 is increased, the ball valve body 2 is more stable in the use process, the damping block 12 can be contracted through the compression spring, the buffering effect is achieved, and the service life of the damping block 12 is effectively prolonged.

A sealing ring 13 is fixed at the joint of the liquid discharging block 5 and the liquid discharging groove 4, and the thickness of the liquid discharging block 5 is consistent with the depth of the liquid discharging groove 4. Can effectively avoid the seepage of liquid when making flowing back piece 5 and flowing back groove 4 laminating through sealing washer 13, improve sealed effect, trigger lever 8 bottom and valve body 1 inner wall rotate to be connected, and trigger lever 8 outside one end outwards protrudes and is fixed with pressurized gasbag layer 9. The triggering rod 8 can squeeze the compressed air bag layer 9 through the protruding part, so that the compressed air bag layer 9 is correspondingly contracted, the internal gas is discharged, the compressed air bag layer 9 is arranged in a hollow mode, and the compressed air bag layer 9 is filled with gas.

When the ball valve body 2 is closed, the trigger rod 8 is synchronously driven to rotate when the ball valve body 2 is closed through the trigger rod 8, the pressure-bearing air bag layer 9 is extruded when the trigger rod 8 rotates, so that gas in the pressure-bearing air bag layer 9 can enter the lifting air bag layer 6 through a hose, when the ball valve body 2 is completely closed, the pressure-bearing air bag layer 9 is completely compressed, the thrust generated by the lifting air bag layer 6 can be larger than the tensile force of the tension spring 7, the liquid draining block 5 can move upwards under the pushing of the lifting air bag layer 6 so as to be separated from the liquid draining groove 4, the residual liquid in the ball valve body 2 can automatically flow into the liquid draining groove 4, and the liquid draining groove 4 is communicated with the liquid draining pipe 10, so that the liquid can be effectively prevented from remaining in the valve body 1, and the antifreezing effect is achieved.

The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, should apply to the present application, and all equivalents and modifications as they come within the scope of the present application.

Claims

1. The integrated anti-freezing unidirectional sealing ball valve comprises a valve body (1), a ball bag fixed on the valve body (1) and a ball valve body (2) rotatably installed in the ball bag, and is characterized in that a valve cavity (3) communicated with the valve body (1) is formed in the middle of the ball valve body (2), and an anti-freezing assembly is installed in the valve cavity (3);

the anti-freezing assembly comprises a liquid discharge groove (4) formed in the bottom of a valve cavity (3), a liquid discharge block (5) is inserted into the liquid discharge groove (4), a lifting air bag layer (6) for driving the liquid discharge block (5) to move is arranged on the ball valve body (2), an extension spring (7) is fixed between the liquid discharge block (5) and the ball valve body (2), a trigger rod (8) is fixed at the bottom of the ball valve body (2), a compressed air bag layer (9) is fixed on the outer side of the trigger rod (8), the compressed air bag layer (9) and the lifting air bag layer (6) are communicated through a hose, and a liquid discharge pipe (10) communicated with the liquid discharge groove (4) is fixed at the bottom of the valve body (1).

2. The integrated antifreezing one-way sealing ball valve according to claim 1, wherein the top of the valve body (1) is rotationally and hermetically connected with a control rod (11), and the bottom of the control rod (11) is fixed with the ball valve body (2).

3. The integral antifreezing unidirectional sealing ball valve according to claim 2, wherein a damping groove is formed in the outer side of a part of the control rod (11) located on the valve body (1), a damping block (12) is propped against the damping groove, and a compression spring is fixed at one end, far away from the damping groove, of the damping block (12).

4. The integral antifreezing one-way sealing ball valve according to claim 1, wherein a sealing ring (13) is fixed at the joint of the liquid draining block (5) and the liquid draining groove (4), and the thickness of the liquid draining block (5) is consistent with the depth of the liquid draining groove (4).

5. The integral antifreezing one-way sealing ball valve according to claim 1, wherein the bottom of the trigger rod (8) is rotationally connected with the inner wall of the valve body (1), and one end of the outer side of the trigger rod (8) protrudes outwards and is fixed with the pressurized air bag layer (9).

6. The integral antifreezing one-way sealing ball valve according to claim 5, wherein the inside of the pressurized air bag layer (9) is hollow, and the inside of the pressurized air bag layer (9) is filled with gas.