CN220749100U

CN220749100U - Maintenance-convenient ball valve

Info

Publication number: CN220749100U
Application number: CN202322548076.5U
Authority: CN
Inventors: 许秀章; 许秀蓓; 林洪立
Original assignee: Ryder Valve Co ltd
Current assignee: Ryder Valve Co ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-04-09
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a ball valve convenient to maintain, which comprises a valve seat, a ball valve core and a valve rod, wherein the middle part of the valve seat is provided with a mounting part for mounting the ball valve core, the mounting part is provided with a cover plate, the mounting part is provided with a cavity with the size larger than the diameter of the ball valve core, the ball valve core is positioned in the cavity, the lower end of the ball valve core is in contact with the bottom wall of the mounting part, one end of the valve rod penetrates through the cover plate and then is detachably connected with the valve rod, the other end of the valve rod is provided with a hand wheel, the ball valve core is provided with a flow hole, the two sides of the mounting part, which correspond to the ball valve core, are provided with movable sealing sleeves, the movable sealing sleeves are in a stepped shaft sleeve structure, one end with a small diameter extends to the inner side of the valve seat, and the end with a large diameter is in contact with the ball valve core.

Description

Maintenance-convenient ball valve

Technical Field

The utility model discloses a ball valve convenient to maintain, and belongs to the technical field of valves.

Background

The ball valve, the opening and closing piece (ball valve core) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels. Currently, in the structure of a ball valve, in order to install a ball valve core conveniently, a valve seat is designed to be of a split structure, but when the ball valve core is worn or maintenance is needed for other reasons, the whole ball body needs to be detached from a pipeline, and the ball valve needs to be installed between two pipelines again after the maintenance is finished, so that the ball valve is not convenient to maintain and disassemble.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a ball valve convenient to maintain.

The ball valve comprises a valve seat, a ball valve core and a valve rod, wherein the middle part of the valve seat is provided with a mounting part for mounting the ball valve core, the mounting part is provided with a cover plate, the mounting part is provided with a cavity with the size larger than the diameter of the ball valve core, the ball valve core is positioned in the cavity, the lower end of the ball valve core is in contact with the bottom wall of the mounting part, one end of the valve rod penetrates through the cover plate and then is detachably connected with the valve rod, the other end of the valve rod is provided with a hand wheel, the ball valve core is provided with a flow hole, two sides of the mounting part corresponding to the ball valve core are provided with movable sealing sleeves, the movable sealing sleeves are of a stepped shaft sleeve structure, one end with small diameter extends to the inner side of the valve seat, one end with large diameter is in contact with the ball valve core, the mounting part is provided with a positioning piece for positioning the sliding distance of the movable sealing sleeve, and a filter device is detachably arranged in the flow hole.

Preferably, the locating piece comprises a first limit bolt and a first spring, one end of the first limit bolt penetrates through the movable sealing sleeve and then is fixedly connected with the mounting portion, the first spring is sleeved on the first limit bolt, and two ends of the first spring are respectively abutted to the mounting portion and the movable sealing sleeve.

Preferably, the filtering device comprises a fixed ring and a filtering plate, wherein the two filtering plates are symmetrically arranged on two sides of the fixed ring, and a limiting piece for installing the fixed ring is arranged on the ball valve core.

Preferably, the limiting piece comprises three second limiting bolts which are symmetrically distributed at 120 degrees, an annular groove is formed in the outer side of the fixing ring, the second limiting bolts are in threaded connection with the ball valve core, and protruding portions matched with the annular groove are arranged on the second limiting bolts.

Preferably, the both sides of solid fixed ring are provided with the clearance brush, the clearance brush includes brush holder, brush hair and fixed block, the fixed block sets up the tip at the brush holder, and fixed block passes through bolt and solid fixed ring fixed connection, the filter rotates with solid fixed ring to the filter is restricted between solid fixed ring and fixed block, the brush hair is fixed on the brush holder.

Preferably, the cover plate is provided with a sealing part and a boss, the sealing part is matched with the inner wall of the mounting part, the boss is connected with a nut pressing sleeve in a threaded manner, and a sealing ring is arranged between the nut pressing sleeve and the boss.

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

through improving the overall structure of disk seat, can dismantle the ball case from the installation department through dismantling the apron to the convenience is maintained ball case and filter equipment, and easy operation is convenient, and the ball case relies on filter equipment to filter the impurity in the fluid moreover.

Drawings

FIG. 1 is a schematic view of a ball valve of the present utility model with convenient maintenance;

FIG. 2 is a cross-sectional view of a ball valve of the present utility model with ease of maintenance;

FIG. 3 is a schematic view of the internal structure of the ball valve core and the filter device of the present utility model;

FIG. 4 is an exploded view of the filter device of the present utility model;

reference numerals: 1. a mounting part; 2. a valve seat; 3. a cover plate; 4. a hand wheel; 5. a boss; 6. pressing a nut sleeve; 7. a valve stem; 8. a seal ring; 9. a sealing part; 10. a flow hole; 11. a filtering device; 12. a movable sealing sleeve; 13. a cavity; 14. a ball valve core; 15. a first limit bolt; 16. a first spring; 17. a limiting piece; 18. a fixing ring; 19. cleaning brushes; 20. a filter plate; 21. a fixed block; 22. an annular groove; 23. the second limit bolt; 24. a protruding portion; 25. brushing; 26. a brush holder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

As shown in fig. 1-4, a ball valve convenient to maintain comprises a valve seat 2, a ball valve core 14 and a valve rod 7, wherein the middle part of the valve seat 2 is provided with a mounting part 1 for mounting the ball valve core 14, a cover plate 3 is arranged on the mounting part 1, the mounting part 1 is provided with a cavity 13 with the size larger than the diameter of the ball valve core 14, the ball valve core 14 is positioned in the cavity 13, the lower end of the ball valve core is in conflict with the bottom wall of the mounting part 1, one end of the valve rod 7 passes through the cover plate 3 and then is detachably connected with the valve rod 7, the other end of the ball valve core 14 is provided with a hand wheel 4, the ball valve core 14 is provided with a flow hole 10, two sides of the mounting part 1 corresponding to the ball valve core 14 are provided with movable sealing sleeves 12, the movable sealing sleeves 12 are of a stepped shaft sleeve structure, one end with small diameter extends to the inner side of the valve seat 2, one end with large diameter is in conflict with the ball valve core 14, the mounting part 1 is provided with a positioning piece for positioning the sliding distance of the movable sealing sleeve 12, and a filter 11 is detachably arranged in the flow hole 10.

The locating piece includes first spacing bolt 15 and first spring 16, after the one end of first spacing bolt 15 passes movable seal cover 12 and then with installation department 1 fixed connection, first spring 16 cover is established on first spacing bolt 15, and both ends are contradicted with installation department 1 and movable seal cover 12 respectively, first spacing bolt 15 can control the distance that movable seal cover 12 moved towards the flow hole 10 axis direction, when ball case 14 is rotating, ball case 14 can support movable seal cover 12, make it move and compress first spring 16 towards one side, after ball case 14 rotates in place, the effort that first spring 16 applyed movable seal cover 12, make movable seal cover 12 can contradict with ball case 14 again, thereby reach soft sealing effect, and because the maximum distance between two movable seal covers 12 is greater than the diameter of ball case 14, make ball case 14 can be directly demolishd from installation department 1 or can directly pack ball case 14 to installation department 1, need not to pull down valve seat 2 from the pipeline, make the installation maintenance of ball case 14 more convenient and simple.

The filtering device 11 comprises a fixed ring 18 and a filtering plate 20, the filtering plate 20 is provided with two, and is symmetrically arranged on two sides of the fixed ring 18, the ball valve core 14 is provided with a limiting piece 17 for installing the fixed ring 18, the limiting piece 17 comprises three second limiting bolts 23 which are symmetrically distributed at 120 degrees, the outer side of the fixed ring 18 is provided with an annular groove 22, the second limiting bolts 23 are in threaded connection with the ball valve core 14, the second limiting bolts 23 are provided with protruding parts 24 matched with the annular groove 22, the second limiting bolts 23 are arranged in the ball valve core 14, when the fixed ring 18 is arranged at a designated position of the circulation hole 10, the second limiting bolts 23 are continuously turned, the protruding parts 24 extend into the annular groove 22, so that the fixed ring 18 cannot fall off from the circulation hole 10, the diameter of the fixed ring 18 is identical with that of the circulation hole 10, fluid can only pass through the filtering plate 20, and the effect of filtering impurities in the fluid can be achieved.

The both sides of the fixed ring 18 are provided with the cleaning brush 19, the cleaning brush 19 includes brush holder 26, brush hair 25 and fixed block 21, fixed block 21 sets up in the tip of brush holder 26, and fixed block 21 passes through bolt and fixed ring 18 fixed connection, filter plate 20 and fixed ring 18 swivelling joint, and filter plate 20 is restrained between fixed ring 18 and fixed block 21, brush hair 25 is fixed on brush holder 26, after filter plate 20 is blocked, through detaching apron 3 and ball case 14 from installation department 1, then insert the filtration pore on filter plate 20 with the inserted bar, rotate filter plate 20 towards a direction again, make filter plate 20 rotate with respect to fixed ring 18 and cleaning brush 19, thereby can utilize brush hair 25 to strike off the impurity adhesion of filter plate 20 surface, in order to realize the mediation to filter plate 20, be provided with sealing part 9 and boss 5 on the apron 3, sealing part 9 and installation department 1 inner wall cooperation, threaded connection has nut press 6 on boss 5, be provided with sealing washer 8 between nut press 6 and the boss 5, through installing nut press 6 on boss 5 thread, so that the apron 8 produces the pressure 3 and sealing part 7 is gone out with the sealing part between the valve rod 1, can guarantee leak-proof between the two and sealing part.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a maintain convenient ball valve, includes disk seat (2), ball valve core (14) and valve rod (7), its characterized in that, the middle part of disk seat (2) is provided with installation department (1) that are used for installing ball valve core (14), be provided with apron (3) on installation department (1), installation department (1) have cavity (13) that the size is greater than the diameter of ball valve core (14), ball valve core (14) are located cavity (13), and the lower extreme contradicts with the diapire of installation department (1), the one end of valve rod (7) is passed behind apron (3) and can dismantle with valve rod (7) and be connected, and the other end is provided with hand wheel (4), ball valve core (14) have a flow hole (10), the both sides of installation department (1) corresponding ball valve core (14) are provided with movable seal cover (12), movable seal cover (12) are ladder axle sleeve structure, and the one end that the diameter is little extends to the inboard of disk seat (2), big one end and ball valve core (14) contradict, be provided with movable positioning part (12) back with in the installation department (1) and can dismantle filter device (10).

2. The ball valve with convenient maintenance according to claim 1, wherein the positioning piece comprises a first limit bolt (15) and a first spring (16), one end of the first limit bolt (15) penetrates through the movable sealing sleeve (12) and is fixedly connected with the mounting portion (1), the first spring (16) is sleeved on the first limit bolt (15), and two ends of the first spring are respectively abutted against the mounting portion (1) and the movable sealing sleeve (12).

3. A ball valve according to claim 1, characterized in that the filter device (11) comprises a fixed ring (18) and a filter plate (20), the filter plate (20) is provided with two, and symmetrically arranged at two sides of the fixed ring (18), and the ball valve core (14) is provided with a limiting piece (17) for installing the fixed ring (18).

4. A ball valve according to claim 3, characterized in that the limiting member (17) comprises three second limiting bolts (23) symmetrically distributed at 120 °, an annular groove (22) is arranged on the outer side of the fixed ring (18), the second limiting bolts (23) are in threaded connection with the ball valve core (14), and the second limiting bolts (23) are provided with protruding parts (24) matched with the annular groove (22).

5. The ball valve with convenient maintenance according to claim 4, wherein cleaning brushes (19) are arranged on two sides of the fixed ring (18), the cleaning brushes (19) comprise brush holders (26), bristles (25) and fixed blocks (21), the fixed blocks (21) are arranged at the end parts of the brush holders (26), the fixed blocks (21) are fixedly connected with the fixed ring (18) through bolts, the filter plate (20) is rotatably connected with the fixed ring (18), and the filter plate (20) is limited between the fixed ring (18) and the fixed blocks (21), and the bristles (25) are fixed on the brush holders (26).

6. The ball valve with convenient maintenance according to claim 1, wherein the cover plate (3) is provided with a sealing part (9) and a boss (5), the sealing part (9) is matched with the inner wall of the installation part (1), the boss (5) is connected with a nut pressing sleeve (6) in a threaded manner, and a sealing ring (8) is arranged between the nut pressing sleeve (6) and the boss (5).