CN210890137U

CN210890137U - Rotary ball valve

Info

Publication number: CN210890137U
Application number: CN201921811211.8U
Authority: CN
Inventors: 柯金顶
Original assignee: Quanxing Valve Manufacturing Co Ltd
Current assignee: Quanxing Valve Manufacturing Co Ltd
Priority date: 2019-10-26
Filing date: 2019-10-26
Publication date: 2020-06-30
Anticipated expiration: 2029-10-26

Abstract

The utility model relates to the technical field of valves, a spin valve is disclosed, including spin valve main part, both sides all are connected with the ring flange around the spin valve main part, and the bottom of spin valve main part is connected with the bottom, the inboard of spin valve main part is provided with the valve rod, the inboard of spin valve main part is connected with the valve plate, the top of spin valve main part is connected with gland, gland's top is connected with the supporting seat. The utility model discloses a base, connecting block, dead lever, first carousel fixture block, second carousel fixture block, pivot, carousel draw-in groove, first screw, second screw and screw rod, avoided because the conveying medium is the high pressure state in the valve, in long-time use, the conveying medium constantly contacts with the valve plate, causes the valve plate can appear the pivoted condition to make this spin valve more be fit for using in high pressure medium conveying valve field, improved the practicality that this two-way flow bumps hard formula spin valve firmly.

Description

Rotary ball valve

Technical Field

The utility model relates to the technical field of valves, specifically a ball valve revolves.

Background

The rotary ball valve is developed by combining the superior sealing performance of the ball valve and the advantageous structure of the butterfly valve, has the superior bidirectional pressure bearing performance of the fixed ball valve, can be used in a liquid pipeline containing fine particles and the like, and has the use advantages of high use temperature, long service life and the like. The valve is essentially the combination of the structure and the function of a butterfly valve and an eccentric half ball valve, and is superior to the half ball valve and a fixed ball valve in installation. The sealing principle combines the front end sealing of the fixed ball valve and the forced sealing of the eccentric butterfly valve, thereby realizing the high-low bidirectional cut-off in the pipeline. When the water pump stops running and the water outlet pressure of the pipeline is higher than the water inlet pressure, the rotary ball valve can effectively prevent the backwater from flowing backwards. This is also a function that butterfly valves and half-ball valves do not have.

There are multiple ball-cock valves in the existing market, but these ball-cock valves ubiquitous when opening ball-cock valves's partial valve plate with the regulation flow, because conveying medium is the high pressure state in the valve, in long-time use, conveying medium constantly contacts with the valve plate, can cause the valve plate the pivoted condition to appear. Accordingly, those skilled in the art have provided a rotary ball valve to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball-rotating valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a spin valve, includes spin valve main part, both sides all are connected with the ring flange around the spin valve main part, and the bottom of spin valve main part is connected with the bottom, the inboard of spin valve main part is provided with the valve rod, the inboard of spin valve main part is connected with the valve plate, the top of spin valve main part is connected with gland, gland's top is connected with the supporting seat, the turbine case is installed on the top of supporting seat, the top of turbine case is connected with carousel stop device, the carousel is installed to one side of turbine case, a plurality of is seted up the front side equidistance of ring flange and is taken over the mounting hole outward.

As a further aspect of the present invention: the turntable limiting device comprises a base, a connecting block is connected to the middle position of the top end of the base, a fixing rod is connected to the front side of the connecting block, a first turntable clamping block is connected to the top of one side of the fixing rod, a second turntable clamping block is connected to the bottom of one side of the fixing rod, a turntable clamping groove is formed in the bottom end of the first turntable clamping block and the top end of the second turntable clamping block, a first screw hole is formed in the top end of the first turntable clamping block, a second screw hole is formed in the top end of the second turntable clamping block, and a limiting screw rod is connected to the inner side of the first screw hole.

As a further aspect of the present invention: the limiting screw penetrates through the inner sides of the first screw hole and the second screw hole in sequence, and the first turntable clamping block and the second turntable clamping block are connected in a fastening mode through the limiting screw, the first screw hole and the second screw hole.

As a further aspect of the present invention: and rotating shafts are arranged at the joints of the first turntable clamping block and the second turntable clamping block with the fixed rod.

As a further aspect of the present invention: the radian of the rotary table is matched with that of the rotary table clamping groove.

As a further aspect of the present invention: the junction of valve rod and bottom is provided with lubricated bearing, one side of valve rod is connected with the valve plate, the inboard of ball-cock body is provided with seal ring, valve plate and valve rod are the component of high strength stainless steel material, the surface of carousel is provided with the skid resistant course, and the surface of skid resistant course is provided with the texture of compactness.

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

when the bidirectional flow hard-impact type rotary ball valve is used for conveying high-pressure media and the flow of the media in the rotary ball valve needs to be controlled, the rotary ball valve is firstly connected with an external water pipe, then the rotary disc is rotated, so that the valve plate rotates in the rotary ball valve body, the media flow from a gap between the valve plate and the rotary ball valve body, when the rotary disc drives the valve plate to rotate to a position with the required flow, the first rotary disc clamping block and the second rotary disc clamping block are overturned on the fixed rod through the rotary shaft, the rotary disc clamping grooves formed in the first rotary disc clamping block and the second rotary disc clamping block are tightly clamped with the rotary disc, and then the limiting screw rod is sequentially rotated into the first screw hole and the second screw hole, so that the first rotary disc clamping block, the second rotary disc clamping block and the rotary disc clamping block are tightly clamped with the rotary disc, and the limiting screw rod is sequentially rotated into the first screw hole and the second screw hole, so that, The second carousel fixture block is connected with the carousel is firm to avoided because carrying medium is high pressure state in the valve, in long-time use, carrying medium constantly and valve plate contact, caused the pivoted condition can appear in the valve plate, thereby made this spin valve more be fit for using in high pressure medium carrying valve field, improved this two-way flow and bumped the practicality of hard formula spin valve firmly.

Drawings

FIG. 1 is a schematic structural view of a rotary ball valve;

FIG. 2 is a schematic view of a partial structure of a turntable limiting device in a rotary ball valve;

fig. 3 is a partial exploded view of a turntable spacing device in a rotary ball valve.

In the figure: 1. a turntable; 2. a turntable limiting device; 3. a turbine case; 4. a supporting seat; 5. a packing gland; 6. a valve plate; 7. an external connecting pipe mounting hole; 8. a flange plate; 9. a bottom cover; 10. a valve stem; 11. a spin valve body; 21. a base; 22. connecting blocks; 23. fixing the rod; 24. a first turntable clamping block; 25. a limit screw; 26. a second turntable clamping block; 27. a turntable clamping groove; 28. a first screw hole; 29. and a second screw hole.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the present invention, a spin valve, including spin valve main part 11, both sides all are connected with ring flange 8 around spin valve main part 11, and the bottom of spin valve main part 11 is connected with bottom 9, the inboard of spin valve main part 11 is provided with valve rod 10, the inboard of spin valve main part 11 is connected with valve plate 6, the top of spin valve main part 11 is connected with gland 5, gland 5's top is connected with supporting seat 4, turbine case 3 is installed on supporting seat 4's top, turbine case 3's top is connected with carousel stop device 2, carousel 1 is installed to one side of turbine case 3, a plurality of is taked the mounting hole 7 outward to the front side equidistance of ring flange 8 has been seted up.

In fig. 2 and 3: the turntable limiting device 2 comprises a base 21, a connecting block 22 is connected to the middle position of the top end of the base 21, a fixing rod 23 is connected to the front side of the connecting block 22, a first turntable clamping block 24 is connected to the top of one side of the fixing rod 23, a second turntable clamping block 26 is connected to the bottom of one side of the fixing rod 23, turntable clamping grooves 27 are respectively formed in the bottom end of the first turntable clamping block 24 and the top end of the second turntable clamping block 26, a first screw hole 28 is formed in the top end of the first turntable clamping block 24, a second screw hole 29 is formed in the top end of the second turntable clamping block 26, and a limiting screw 25 is connected to the inner side of the first screw hole 28, so that when the turntable 1 drives the valve plate 6 to rotate to a position with a required flow, the first turntable clamping block 24 and the second turntable clamping block 26 are overturned on the fixing rod 23 through a rotating shaft, and the turntable clamping grooves 27 formed, and then the limit screw 25 is sequentially rotated into the first screw hole 28 and the second screw hole 29, so that the first turntable clamping block 24, the second turntable clamping block 26 and the turntable 1 are stably connected.

In fig. 3: the limit screw 25 sequentially penetrates through the inner sides of the first screw hole 28 and the second screw hole 29, and the first turntable clamping block 24 and the second turntable clamping block 26 are fixedly connected through the limit screw 25, the first screw hole 28 and the second screw hole 29, so that the first turntable clamping block 24, the second turntable clamping block 26 and the turntable 1 can be conveniently and stably connected.

In fig. 2: the joints of the first turntable clamping block 24 and the second turntable clamping block 26 and the fixing rod 23 are provided with rotating shafts, so that the first turntable clamping block 24 and the second turntable clamping block 26 can be conveniently turned over on the fixing rod 23.

In fig. 1: the radian of the turntable 1 is matched with that of the turntable clamping groove 27, so that the first turntable clamping block 24 and the second turntable clamping block 26 can tightly clamp the turntable 1 together.

In fig. 1: the junction of valve rod 10 and bottom 9 is provided with lubricated bearing, and one side of valve rod 10 is connected with valve plate 6, and the inboard of rotary ball valve main part 11 is provided with seal ring, and valve plate 6 and valve rod 10 are the component of high strength stainless steel material, and the surface of carousel 1 is provided with the skid resistant course, and the surface of skid resistant course is provided with compact texture to can improve this rotary ball valve in the life of carrying high-pressure medium.

The utility model discloses a theory of operation is: when the bidirectional flow hard-to-hard rotary ball valve is used for conveying high-pressure medium and the flow of the medium in the rotary ball valve needs to be controlled, firstly, the rotary ball valve is connected with an external water pipe, then the rotary disc 1 is rotated, when the rotary disc 1 drives the valve plate 6 to rotate to the position of required flow, the first and

second turntable blocks

24 and 26 are turned over on the fixing rod 23 by a rotation shaft, and the turntable clamping grooves 27 arranged on the first turntable clamping block 24 and the second turntable clamping block 26 are tightly clamped with the turntable 1, the limit screw 25 is then sequentially rotated inside the first screw hole 28 and the second screw hole 29, thereby, the first rotary table fixture block 24, the second rotary table fixture block 26 and the rotary table 1 are stably connected, thereby avoiding the situation that the medium conveyed in the rotary ball valve main body 11 is in a high-pressure state, in the long-time use process, the conveying medium is continuously contacted with the valve plate 6, so that the valve plate 6 can rotate.

Claims

1. A spin valve comprises a spin valve body (11) and is characterized in that the front side and the rear side of the spin valve body (11) are both connected with flange plates (8), the bottom end of the rotary ball valve main body (11) is connected with a bottom cover (9), the inner side of the rotary ball valve main body (11) is provided with a valve rod (10), the inner side of the rotary ball valve main body (11) is connected with a valve plate (6), the top end of the rotary ball valve main body (11) is connected with a packing gland (5), the top end of the packing gland (5) is connected with a supporting seat (4), the top end of the supporting seat (4) is provided with a turbine box (3), the top end of the turbine box (3) is connected with a turntable limiting device (2), one side of the turbine box (3) is provided with a turntable (1), a plurality of external pipe mounting holes (7) are formed in the front side of the flange plate (8) at equal intervals.

2. The rotary ball valve according to claim 1, wherein the rotary disc limiting device (2) comprises a base (21), a connecting block (22) is connected to the middle position of the top end of the base (21), a fixing rod (23) is connected to the front side of the connecting block (22), a first rotary disc clamping block (24) is connected to the top of one side of the fixing rod (23), a second rotary disc clamping block (26) is connected to the bottom of one side of the fixing rod (23), rotary disc clamping grooves (27) are formed in the bottom end of the first rotary disc clamping block (24) and the top end of the second rotary disc clamping block (26), a first screw hole (28) is formed in the top end of the first rotary disc clamping block (24), a second screw hole (29) is formed in the top end of the second rotary disc clamping block (26), and a limiting screw (25) is connected to the inner side of the first screw hole (28).

3. A rotary ball valve according to claim 2, wherein the limit screw (25) penetrates through the inner sides of the first screw hole (28) and the second screw hole (29), and the first rotary disc clamping block (24) and the second rotary disc clamping block (26) are tightly connected through the limit screw (25), the first screw hole (28) and the second screw hole (29).

4. The rotary ball valve as claimed in claim 2, wherein the joints of the first rotary disc clamping block (24) and the second rotary disc clamping block (26) and the fixing rod (23) are provided with rotating shafts.

5. A spin-ball valve according to claim 2, wherein the curvature of the turntable (1) is adapted to the curvature of the turntable slot (27).

6. A rotary ball valve according to claim 1, characterized in that the joint of the valve rod (10) and the bottom cover (9) is provided with a lubricating bearing, one side of the valve rod (10) is connected with the valve plate (6), the inner side of the rotary ball valve body (11) is provided with a sealing gasket, the valve plate (6) and the valve rod (10) are both members made of high-strength stainless steel, the surface of the rotary disc (1) is provided with an anti-slip layer, and the surface of the anti-slip layer is provided with dense textures.