CN216842443U

CN216842443U - Pilot-operated single-phase overflow valve

Info

Publication number: CN216842443U
Application number: CN202122797255.3U
Authority: CN
Inventors: 陈小坤
Original assignee: Fuzhou Jingteng Jinggong Rubber Plastic Products Co ltd
Current assignee: Fuzhou Jingteng Jinggong Rubber Plastic Products Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-06-28
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a pilot-operated single-phase overflow valve which comprises a valve shell, wherein the bottom of the valve shell is communicated with a liquid inlet pipe, the tops of two sides of the valve shell are communicated with liquid outlet pipes, and the top of the valve shell is fixedly connected with an exhaust device. According to the utility model, the clamping plate, the clamping groove, the limiting frame, the filter shell, the first filter screen, the second filter screen, the box body, the sliding groove, the fixed block, the first spring, the moving plate, the clamping block, the moving column, the moving plate, the second spring, the sliding rod, the handle, the first sliding groove, the first sliding block, the second sliding groove and the second sliding block are matched with each other, so that the advantage of good filtering effect on the pilot-operated single-phase overflow valve is achieved, the pilot-operated single-phase overflow valve can be effectively filtered when being used for a long time, meanwhile, the filtering device can be detached for cleaning, the blockage in the pilot-operated single-phase overflow valve is prevented, the filtering effect of the pilot-operated single-phase overflow valve is improved, and the use requirements of users can be met.

Description

Pilot-operated single-phase overflow valve

Technical Field

The utility model relates to the technical field of single-phase overflow valves, in particular to a pilot-operated single-phase overflow valve.

Background

The safety overflow valve plays a safety protection role in the system, when the pressure of the system exceeds a specified value, the safety valve is jacked open, and a part of gas in the system is discharged into the atmosphere, so that the pressure of the system does not exceed an allowable value, and the system is ensured not to have accidents due to overhigh pressure.

The prior pilot-operated single-phase overflow valve has the following defects: the existing single-phase overflow valve of the pilot type has poor filtering effect, so that when the single-phase overflow valve of the pilot type is used for a long time, the inside of the single-phase overflow valve is easy to block, the filtering effect inside the single-phase overflow valve of the pilot type is poor, and the using requirement of a user cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pilot-operated single-phase overflow valve which has the advantage of good filtering effect on the pilot-operated single-phase overflow valve and solves the problem that the existing pilot-operated single-phase overflow valve is poor in filtering effect, so that the interior of the pilot-operated single-phase overflow valve is easy to block when the pilot-operated single-phase overflow valve is used for a long time, and the filtering effect of the interior of the pilot-operated single-phase overflow valve is poor.

In order to achieve the purpose, the utility model provides the following technical scheme: a pilot-operated single-phase overflow valve comprises a valve casing, wherein the bottom of the valve casing is communicated with a liquid inlet pipe, the tops of two sides of the valve casing are communicated with a liquid outlet pipe, the top of the valve casing is fixedly connected with an exhaust device, the bottom of the exhaust device is communicated with an air guide pipe, the bottom end of the air guide pipe penetrates through an inner cavity of the valve casing, the top and the bottom of the right side of the valve casing are fixedly connected with clamping plates, the inner sides of the clamping plates are provided with clamping grooves, the left side of the inner wall of the valve casing is fixedly connected with a limiting frame, the inner cavity of the limiting frame is sleeved with a filter casing, the top of one side of the inner wall of the filter casing is fixedly connected with a first filter screen, the bottom of one side of the inner wall of the filter casing is fixedly connected with a second filter screen, the right end of the filter casing penetrates through the right side of the valve casing and is fixedly connected with a box body, and the top and the bottom of the right side of the box body are provided with sliding grooves, the top and the equal fixedly connected with fixed block in bottom of box inner wall both sides, the first spring of outside fixedly connected with of fixed block, the outer end fixedly connected with movable plate of first spring, the outside fixedly connected with fixture block of movable plate, the outer end of fixture block runs through to the inner chamber of draw-in groove, the inboard center department fixedly connected with of movable plate removes the post, the inner fixedly connected with fly leaf of removal post, the inboard fixedly connected with second spring of fly leaf, the right side fixedly connected with slide bar of fly leaf, the surface of slide bar and the inner chamber sliding connection of sliding tray, the right-hand member of slide bar runs through to the right side and the fixedly connected with handle of box.

Preferably, first chutes are formed in the top and the bottom of two sides of the inner wall of the box body, first sliding blocks are connected to inner cavities of the first chutes in a sliding mode, and the inner sides of the first sliding blocks are fixedly connected with the outer sides of the moving plates.

Preferably, the second sliding groove is formed in the top and the bottom of the left side of the inner wall of the box body, a second sliding block is connected to the inner cavity of the second sliding groove in a sliding mode, and the right side of the second sliding block is fixedly connected with the left side of the movable plate.

Preferably, the width and the height of the inner cavity of the sliding groove are both larger than those of the sliding rod, and the length of the inner cavity of the sliding groove is smaller than that of the sliding rod.

Preferably, the top and the bottom of the box body are both provided with through grooves, and the diameter of the inner cavity of each through groove is larger than that of the fixture block.

Preferably, a sealing ring is adhesively connected to the left side of the box body and the surface of the filter shell, and the surface of the sealing ring is in contact with the inner wall of the valve shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the clamping plate, the clamping groove, the limiting frame, the filter shell, the first filter screen, the second filter screen, the box body, the sliding groove, the fixed block, the first spring, the moving plate, the clamping block, the moving column, the moving plate, the second spring, the sliding rod, the handle, the first sliding groove, the first sliding block, the second sliding groove and the second sliding block are matched with each other, so that the advantage of good filtering effect on the pilot-operated single-phase overflow valve is achieved, the pilot-operated single-phase overflow valve can be effectively filtered when being used for a long time, meanwhile, the filtering device can be detached for cleaning, the blockage in the pilot-operated single-phase overflow valve is prevented, the filtering effect of the pilot-operated single-phase overflow valve is improved, and the use requirements of users can be met.

2. The filter shell, the first filter screen and the second filter screen are clamped and installed by the clamping plate, the clamping groove and the clamping block, the filter shell is limited by the limiting frame, the movable plate is conveniently pulled to move by the sliding groove and the sliding rod, the movable plate is elastically reset by the first spring, the movable plate is elastically reset by the second spring, the movable plate is conveniently pulled to move by the handle, the movable plate is stably moved by the first sliding groove and the first sliding block, and the movable plate is stably moved by the second sliding groove and the second sliding block.

Drawings

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

FIG. 2 is an enlarged sectional view of the internal structure of the container body according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 according to the present invention.

In the figure: 1. a valve housing; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. an exhaust device; 5. an air duct; 6. a chucking plate; 7. a card slot; 8. a limiting frame; 9. a filter shell; 10. a first filter screen; 11. a second filter screen; 12. a box body; 13. a sliding groove; 14. a fixed block; 15. a first spring; 16. moving the plate; 17. a clamping block; 18. moving the column; 19. a movable plate; 20. a second spring; 21. a slide bar; 22. a handle; 23. a first chute; 24. a first slider; 25. a second chute; 26. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, a pilot-operated single-phase overflow valve comprises a valve casing 1, a liquid inlet pipe 2 is communicated with the bottom of the valve casing 1, liquid outlet pipes 3 are communicated with the tops of both sides of the valve casing 1, an exhaust device 4 is fixedly connected with the top of the valve casing 1, an air guide pipe 5 is communicated with the bottom of the exhaust device 4, the bottom end of the air guide pipe 5 penetrates through an inner cavity of the valve casing 1, a clamping plate 6 is fixedly connected with the top and the bottom of the right side of the valve casing 1, a clamping groove 7 is formed in the inner side of the clamping plate 6, a limiting frame 8 is fixedly connected to the left side of the inner wall of the valve casing 1, a filter casing 9 is sleeved in the inner cavity of the limiting frame 8, a first filter screen 10 is fixedly connected with the top of one side of the inner wall of the filter casing 9, a second filter screen 11 is fixedly connected with the bottom of one side of the inner wall of the filter casing 9, the right end of the filter casing 9 penetrates through the right side of the valve casing 1 and is fixedly connected with a box 12, sliding grooves 13 are formed in the top and the bottom of the right side of the box 12, the top and the bottom of two sides of the inner wall of the box 12 are fixedly connected with a fixed block 14, the outer side of the fixed block 14 is fixedly connected with a first spring 15, the outer end of the first spring 15 is fixedly connected with a moving plate 16, the outer side of the moving plate 16 is fixedly connected with a clamping block 17, the outer end of the clamping block 17 penetrates through the inner cavity of the clamping groove 7, the center of the inner side of the moving plate 16 is fixedly connected with a moving column 18, the inner end of the moving column 18 is fixedly connected with a moving plate 19, the inner side of the moving plate 19 is fixedly connected with a second spring 20, the right side of the moving plate 19 is fixedly connected with a sliding rod 21, the surface of the sliding rod 21 is in sliding connection with the inner cavity of the sliding groove 13, the right end of the sliding rod 21 penetrates through the right side of the box 12 and is fixedly connected with a handle 22, the top and the bottom of two sides of the inner wall of the box 12 are both provided with a first sliding groove 23, the inner cavity of the first sliding groove 23 is in sliding connection with a first slider 24, the inner side of the first slider 24 is fixedly connected with the outer side of the moving plate 16, the top and the bottom of the left side of the inner wall of the box body 12 are both provided with a second sliding groove 25, the inner cavity of the second sliding groove 25 is connected with a second sliding block 26 in a sliding way, the right side of the second sliding block 26 is fixedly connected with the left side of the movable plate 19, the width and the height of the inner cavity of the sliding groove 13 are both larger than the width and the height of the sliding rod 21, the length of the inner cavity of the sliding groove 13 is smaller than the length of the sliding rod 21, the top and the bottom of the box body 12 are both provided with a through groove, the diameter of the through groove inner cavity is larger than the diameter of the clamping block 17, the left side of the box body 12 is bonded with the surface of the filter shell 9 to form a sealing ring, the surface of the sealing ring is contacted with the inner wall of the valve shell 1, the filter shell 9, the first filter screen 10 and the second filter screen 11 are clamped and installed by arranging the clamping plate 6, the clamping block 7 and the clamping block 17, the limiting frame 8 is arranged to play a limiting role on the filter shell 9, and by arranging the sliding groove 13 and the sliding rod 21, the movable plate 16 can be conveniently pulled to move by arranging the first spring 15, the movable plate 16 can be conveniently reset by elasticity, the movable plate 19 can be reset by arranging the second spring 20, the movable plate 19 can be conveniently pulled by arranging the handle 22, the movable plate 19 can be conveniently pulled by arranging the sliding rod 21 and the movable plate 19, the movable plate 16 can be stably moved by arranging the first sliding groove 23 and the first sliding block 24, the movable plate 19 can be stably moved by arranging the second sliding groove 25 and the second sliding block 26, the clamping plate 6, the clamping groove 7, the limiting frame 8, the filter shell 9, the first filter screen 10, the second filter screen 11, the box body 12, the sliding groove 13, the fixed block 14, the first spring 15, the movable plate 16, the clamping block 17, the movable column 18, the movable plate 19, the second spring 20, the sliding rod 21, the handle 22, the first sliding groove 23, the first sliding block 24, the second sliding block and the second sliding block 14, Second spout 25 and second slider 26 mutually support, have reached the good advantage to the single-phase overflow valve filter effect of guide's formula, make the single-phase overflow valve of guide's formula when using for a long time, can effectually filter, also can dismantle filter equipment simultaneously and clear up, prevent that the inside jam that appears of the single-phase overflow valve of guide's formula, improved the filter effect of the single-phase overflow valve of guide's formula, can satisfy user's user demand.

When the filter is used for a long time, firstly, the first filter screen 10 and the second filter screen 11 are used for filtering impurities in liquid, when the filter is used for a long time, firstly, the handle 22 is pulled, the handle 22 moves to drive the sliding rod 21 to slide in the inner cavity of the sliding groove 13, meanwhile, the sliding rod 21 moves to drive the movable plate 19 to start moving, the movable plate 19 moves to press towards the second spring 20, simultaneously, the movable plate 19 moves to drive the second slider 26 to slide in the inner cavity of the second sliding groove 25, simultaneously, the movable plate 19 moves to drive the movable column 18 to start moving, the movable column 18 moves to drive the movable plate 16 to start moving, the movable plate 16 moves to drive the first slider 24 to slide in the inner cavity of the first sliding groove 23, simultaneously, the movable plate 16 moves to press towards the first spring 15, simultaneously, the movable plate 16 moves to drive the clamping block 17 to leave the inner cavity of the clamping groove 7 and take in the inner cavity of the box body 12, then, the handle 22 is pulled towards the right side, the handle 22 moves to drive the box body 12 to start moving, the box 12 removes to drive and crosses filter shell 9, first filter screen 10 and second filter screen 11 and leave the inner chamber of valve casing 1 clear up can, can effectually filter, also can dismantle filter equipment simultaneously and clear up, prevent that the inside jam that appears of single-phase overflow valve of guide's formula to reached the good advantage of single-phase overflow valve filter effect of guide's formula.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single-phase overflow valve of pilot-operated type, includes valve casing (1), its characterized in that: the bottom intercommunication of valve casing (1) has feed liquor pipe (2), the top of valve casing (1) both sides all communicates there is drain pipe (3), the top fixedly connected with exhaust apparatus (4) of valve casing (1), the bottom intercommunication of exhaust apparatus (4) has air duct (5), the inner chamber of valve casing (1) is run through to the bottom of air duct (5), the top and the equal fixedly connected with chucking plate (6) in bottom on valve casing (1) right side, draw-in groove (7) have been seted up to the inboard of chucking plate (6), the left side fixedly connected with spacing frame (8) of valve casing (1) inner wall, the inner chamber cover of spacing frame (8) is equipped with filter shell (9), the top fixedly connected with first filter screen (10) of filter shell (9) inner wall one side, the bottom fixedly connected with second filter screen (11) of filter shell (9) inner wall one side, the right end of the filter shell (9) penetrates through the right side of the valve shell (1) and is fixedly connected with a box body (12), a sliding groove (13) is formed in the top and the bottom of the right side of the box body (12), fixing blocks (14) are fixedly connected with the top and the bottom of the two sides of the inner wall of the box body (12), first springs (15) are fixedly connected with the outer sides of the fixing blocks (14), a movable plate (16) is fixedly connected with the outer ends of the first springs (15), clamping blocks (17) are fixedly connected with the outer sides of the movable plate (16), the outer ends of the clamping blocks (17) penetrate through the inner cavity of the clamping groove (7), a movable column (18) is fixedly connected with the center of the inner side of the movable plate (16), a movable plate (19) is fixedly connected with the inner end of the movable column (18), a second spring (20) is fixedly connected with the inner side of the movable plate (19), and a sliding rod (21) is fixedly connected with the right side of the movable plate (19), the surface of the sliding rod (21) is connected with the inner cavity of the sliding groove (13) in a sliding mode, and the right end of the sliding rod (21) penetrates through the right side of the box body (12) and is fixedly connected with a handle (22).

2. The pilot-operated single-phase relief valve according to claim 1, characterized in that: first spout (23) have all been seted up to the top and the bottom of box (12) inner wall both sides, the inner chamber sliding connection of first spout (23) has first slider (24), the inboard of first slider (24) and the outside fixed connection of movable plate (16).

3. The pilot-operated single-phase relief valve according to claim 1, characterized in that: second spout (25) have all been seted up to box (12) inner wall left top and bottom, the inner chamber sliding connection of second spout (25) has second slider (26), the right side of second slider (26) and the left side fixed connection of fly leaf (19).

4. The pilot-operated single-phase relief valve according to claim 1, characterized in that: the width and the height of the inner cavity of the sliding groove (13) are both larger than those of the sliding rod (21), and the length of the inner cavity of the sliding groove (13) is smaller than that of the sliding rod (21).

5. The pilot-operated single-phase relief valve according to claim 1, characterized in that: the top and the bottom of the box body (12) are both provided with through grooves, and the diameter of the inner cavity of each through groove is larger than that of the fixture block (17).

6. The pilot-operated single-phase relief valve according to claim 1, characterized in that: the left side of box (12) and with the surperficial bonding of filtering shell (9) be connected with the sealing washer, and the surface of sealing washer contacts with the inner wall of valve casing (1).