CN212203212U

CN212203212U - Novel external control sealing ball valve

Info

Publication number: CN212203212U
Application number: CN202020872912.9U
Authority: CN
Inventors: 宋健彬
Original assignee: Hangzhou Fuyang Nanfang Valve Industry Co ltd
Current assignee: Hangzhou Fuyang Nanfang Valve Industry Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2020-12-22
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a novel external control sealing ball valve, which comprises a valve body, wherein a first through groove is arranged in the valve body, a ball body is arranged in the first through groove, a second through groove is arranged in the ball body, the ball body is in rotating fit with the first through groove, a valve rod is arranged on the valve body, the valve rod runs through the upper wall of the first through groove, the valve rod is fixedly connected with the ball body, the valve rod is in rotating fit with the upper wall of the first through groove, a limiting component is arranged on the valve rod, the limiting component comprises a gear and an arc rack, the gear is fixed on the valve rod, a chute is arranged on the gear, an arc slide block which is in sliding fit with the chute is arranged in the chute, one end of the arc slide block, which is far away from the chute, is fixed with the arc rack, a ring groove is arranged on the valve body, the gear is meshed with the arc-shaped rack, so that the problem of harsh limiting conditions is solved.

Description

Novel external control sealing ball valve

Technical Field

The utility model relates to a ball valve technical field, in particular to novel external control seals ball valve.

Background

The ball valve opening and closing piece (ball body) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline.

The utility model discloses a chinese patent publication is CN 209414677U's utility model discloses a novel external control sealing ball valve, which comprises a valve body, the ring channel has been seted up to the inner wall of valve body, be equipped with the valve ball in the ring channel, the bottom fixedly connected with pivot of valve ball, the pivot is passed through the bearing and is connected with the lateral wall rotation of ring channel, the top fixedly connected with valve rod of valve ball, the top of valve rod runs through the lateral wall of ring channel and extends to the outside, the gear has been cup jointed to the pole wall of valve rod fixedly, gear engagement has the ring gear, two gag lever posts of bottom symmetry fixedly connected with of ring gear, two recesses corresponding with the gag lever post position have been seted up to the lateral wall of valve body, two gag lever posts extend to the interior setting of recess, the equal fixedly connected with stopper of both sides.

However, in the above technical solution, the valve rod is limited by inserting the gear ring into the gear, but this requires the gear and the gear ring to be kept at a certain angle, and the limiting condition is relatively harsh.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel sealed ball valve of external control has solved the comparatively harsh problem of spacing condition.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a novel external control sealing ball valve comprises a valve body, wherein a first through groove is formed in the valve body, a ball body is arranged in the first through groove, a second through groove is formed in the ball body, the ball body is in rotating fit with the first through groove, a valve rod is arranged on the valve body and penetrates through the upper wall of the first through groove, the valve rod is fixedly connected with the ball body, the valve rod is in rotating fit with the upper wall of the first through groove, a limiting assembly is arranged on the valve rod and comprises a gear and an arc-shaped rack, the gear is fixed on the valve rod, a sliding groove is formed in the gear and is internally provided with an arc-shaped sliding block, the arc-shaped sliding block is in sliding fit with the sliding groove, one end, away from the sliding groove, of the arc-shaped sliding block is fixed with the arc-shaped rack, a ring groove is, the ball valve is characterized in that one end of the first spring is fixed to the bottom of the positioning groove, the other end of the first spring is fixed to an arc limiting block, the arc limiting block is in sliding fit with the positioning groove, a sliding groove is formed in the upper wall of the positioning groove, a sliding rod is arranged in the sliding groove, the sliding rod is in sliding fit with the sliding groove, the lower end of the sliding rod is fixed to the arc limiting block, the gear is meshed with the arc rack, and sealing assemblies are arranged in valve bodies on two sides of the ball body.

Adopt above-mentioned technical scheme, when will opening or close the ball valve, the rotating valve rod drives the spheroid and rotates, when leading to groove two on the spheroid and the logical groove one in the valve body communicate with each other, the ball valve is opened, when leading to groove two on the spheroid and the logical groove one in the valve body are not logical, the ball valve is closed, after moving the assigned position, will fix a position the valve rod, remove the arc rack, make the arc slider remove along the spout, it drives the arc stopper and moves to the constant head tank in to remove the slide bar, the compression of arc stopper drives spring one, spring one compression produces elasticity, then the arc slider moves to the ring channel in, loosen the slide bar, the elasticity of spring one drives the arc stopper and fixes the arc slider, at this moment, gear and arc rack toothing, seal assembly plays sealed effect.

As preferred, seal assembly is including sealed the pad and the sleeve, it is provided with spacing section of thick bamboo to lead to the inslot symmetry, spacing section of thick bamboo is fixed with the valve body, spacing section of thick bamboo inboard be provided with spacing section of thick bamboo sliding fit's annular plate, the sleeve symmetry sets up in leading to inslot, sleeve and leading to groove sliding fit, telescopic one end and annular plate fixed connection, be provided with spring two between sleeve and the spacing section of thick bamboo, the both ends of spring two are fixed with sleeve and spacing section of thick bamboo respectively, the one end that the annular plate was kept away from to the sleeve is fixed with sealed the pad.

Adopt above-mentioned technical scheme, along with the spheroid rotates the sealed removal of filling up of drive, sealed the removal of filling up drives the sleeve and removes, the sleeve removes and drives two compressions of spring, two compressions of spring produce elasticity, the sleeve removes and drives the annular plate and removes, the annular plate has played the effect that prevents two bows of spring, when rotating along with the spheroid, when appearing the clearance between sealed pad and the spheroid, the elasticity of spring two drives the sleeve and removes to the spheroid, the spheroid removes and drives sealed the pad and remove to the spheroid, sealed pad along with the spheroid rotates the effect that two remove has been realized to the pad.

Preferably, a ring groove is formed between the valve rod and the valve body, and sealing filler is placed in the ring groove.

By adopting the technical scheme, the sealing packing improves the sealing property between the valve rod and the valve body.

Preferably, both sides of the valve body are provided with connecting holes.

By adopting the technical scheme, when the valve body is connected with the pipeline, the valve body is connected through the connecting hole.

Preferably, a handle is fixed at one end of the valve rod far away from the ball body.

By adopting the technical scheme, the valve rod can be conveniently rotated by rotating the handle.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural view for showing a seal assembly;

fig. 3 is a schematic structural diagram for showing the limiting component.

Reference numerals: 1. a valve body; 2. a first through groove; 3. a sphere; 4. a second through groove; 5. a valve stem; 6. a limiting component; 7. a gear; 8. an arc-shaped rack; 9. a chute; 10. an arc-shaped sliding block; 11. an annular groove; 12. positioning a groove; 13. a first spring; 14. an arc-shaped limiting block; 15. a sliding groove; 16. a slide bar; 17. a seal assembly; 18. a gasket; 19. a sleeve; 20. a limiting cylinder; 21. an annular plate; 22. a second spring; 23. a ring groove; 24. sealing and filling; 25. connecting holes; 26. a handle.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

Referring to fig. 1 to 3, a novel external control sealing ball valve comprises a valve body 1, a first through groove 2 is formed in the valve body 1, a ball body 3 is arranged in the first through groove 2, a second through groove 4 is formed in the ball body 3, the ball body 3 is rotationally matched with the first through groove 2, a valve rod 5 is arranged on the valve body 1, the valve rod 5 penetrates through the upper wall of the first through groove 2, the valve rod 5 is fixedly connected with the ball body 3, the valve rod 5 is rotationally matched with the upper wall of the first through groove 2, when the ball valve is opened or closed, a handle 26 is fixed at one end of the valve rod 5 far away from the ball body 3, the handle 26 is rotated to drive the valve rod 5 to rotate, the ball body 3 is rotated by the valve rod 5, when the second through groove 4 on the ball body 3 is communicated with the first through groove 2 in the valve body 1, the ball valve is opened, when the second through groove 4 on the ball body, the gear 7 is fixed on the valve rod 5, the gear 7 is provided with a sliding groove 9, an arc-shaped sliding block 10 is arranged in the sliding groove 9, the arc-shaped sliding block 10 is in sliding fit with the sliding groove 9, one end, far away from the sliding groove 9, of the arc-shaped sliding block 10 is fixed with an arc-shaped rack 8, the gear 7 is meshed with the arc-shaped rack 8, after the valve rod 5 moves to a specified position, the valve rod 5 is positioned, the arc-shaped rack 8 is moved, the arc-shaped sliding block 10 moves along the sliding groove 9, an annular groove 11 is formed in the valve body 1 outside the gear 7, a positioning groove 12 is formed in the side wall, far away from the gear 7, of the annular groove 11, a plurality of springs 13 are arranged in the positioning groove 12, one ends of the springs 13 are fixed with the bottom of the positioning groove 12, arc-shaped limiting blocks 14 are fixed to the, slide bar 16 and sliding tray 15 sliding fit, the lower extreme and the arc stopper 14 of slide bar 16 are fixed, remove slide bar 16 and drive arc stopper 14 and move to constant head tank 12 in, arc stopper 14 moves and drives the compression of spring 13, and the compression of spring 13 produces elasticity, then arc slider 10 moves to in the ring channel 11, loosens slide bar 16, and the elasticity of spring 13 drives arc stopper 14 and fixes arc slider 10, and at this moment, gear 7 and the meshing of arc rack 8.

As shown in fig. 3, sealing components 17 are arranged in the valve body 1 at two sides of the ball body 3, each sealing component 17 includes a sealing gasket 18 and a sleeve 19, a limiting cylinder 20 is symmetrically arranged in the first through groove 2, the limiting cylinder 20 is fixed with the valve body 1, an annular plate 21 in sliding fit with the limiting cylinder 20 is arranged at the inner side of the limiting cylinder 20, the sleeve 19 is symmetrically arranged in the first through groove 2, the sleeve 19 is in sliding fit with the first through groove 2, one end of the sleeve 19 is fixedly connected with the annular plate 21, a second spring 22 is arranged between the sleeve 19 and the limiting cylinder 20, two ends of the second spring 22 are respectively fixed with the sleeve 19 and the limiting cylinder 20, one end of the sleeve 19, which is far away from the annular plate 21, is fixed with the sealing gasket 18, when the sealing performance of the ball valve is ensured, the sealing gasket 18 is driven to move along with the rotation of the ball body 3, the sleeve 19 moves and drives the annular plate 21 to move, the annular plate 21 plays a role in preventing the second spring 22 from bending out, when the second spring 22 rotates along with the sphere 3 and a gap is formed between the sealing gasket 18 and the sphere 3, the elastic force of the second spring 22 drives the sleeve 19 to move towards the sphere 3, the sphere 3 moves and drives the sealing gasket 18 to move towards the sphere 3, and the sealing gasket 18 moves along with the rotation of the sphere 3.

As shown in fig. 1, a ring groove 23 is formed between the valve rod 5 and the valve body 1, a sealing filler 24 is placed in the ring groove 23, and the sealing filler 24 improves the sealing property between the valve rod 5 and the valve body 1; both sides of the valve body 1 are provided with connecting holes 25, and when the valve body 1 is to be connected with a pipeline, the valve body is connected through the connecting holes 25.

Claims

1. A novel external control sealing ball valve comprises a valve body (1) and is characterized in that a first through groove (2) is formed in the valve body (1), a ball body (3) is arranged in the first through groove (2), a second through groove (4) is formed in the ball body (3), the ball body (3) is in running fit with the first through groove (2), a valve rod (5) is arranged on the valve body (1), the valve rod (5) penetrates through the upper wall of the first through groove (2), the valve rod (5) is fixedly connected with the ball body (3), the valve rod (5) is in running fit with the upper wall of the first through groove (2), a limiting component (6) is arranged on the valve rod (5), the limiting component (6) comprises a gear (7) and an arc-shaped rack (8), the gear (7) is fixed on the valve rod (5), a sliding groove (9) is formed in the gear (7), and an arc-shaped sliding block (10) is arranged in, the arc-shaped sliding block (10) is in sliding fit with the sliding groove (9), one end, far away from the sliding groove (9), of the arc-shaped sliding block (10) is fixed with the arc-shaped rack (8), an annular groove (11) is formed in the valve body (1) on the outer side of the gear (7), a positioning groove (12) is formed in the side wall, far away from the gear (7), of the annular groove (11), a plurality of first springs (13) are arranged in the positioning groove (12), one ends of the plurality of first springs (13) are fixed with the bottom of the positioning groove (12), arc-shaped limiting blocks (14) are fixed at the other ends of the plurality of first springs (13), the arc-shaped limiting blocks (14) are in sliding fit with the positioning groove (12), a sliding groove (15) is formed in the upper wall of the positioning groove (12), a sliding rod (16) is arranged in the sliding groove (15, the lower end of the sliding rod (16) is fixed with the arc-shaped limiting block (14), the gear (7) is meshed with the arc-shaped rack (8), and sealing components (17) are arranged in the valve bodies (1) on two sides of the ball body (3).

2. The new external control sealing ball valve according to claim 1, characterized in that the sealing assembly (17) comprises a sealing gasket (18) and a sleeve (19), limiting cylinders (20) are symmetrically arranged in the through groove I (2), the limiting cylinders (20) are fixed with the valve body (1), the inner side of the limiting cylinder (20) is provided with an annular plate (21) which is in sliding fit with the limiting cylinder (20), the sleeves (19) are symmetrically arranged in the first through grooves (2), the sleeves (19) are in sliding fit with the first through grooves (2), one end of the sleeve (19) is fixedly connected with the annular plate (21), a second spring (22) is arranged between the sleeve (19) and the limiting cylinder (20), two ends of the second spring (22) are respectively fixed with the sleeve (19) and the limiting cylinder (20), one end of the sleeve (19) far away from the annular plate (21) is fixed with the sealing gasket (18).

3. The novel external control sealing ball valve according to claim 1, characterized in that a ring groove (23) is opened between the valve rod (5) and the valve body (1), and a sealing filler (24) is placed in the ring groove (23).

4. The novel external control sealing ball valve according to claim 1, wherein both sides of the valve body (1) are provided with connecting holes (25).

5. A novel external control sealing ball valve according to claim 1, characterized in that a handle (26) is fixed on the end of the valve rod (5) far away from the ball body (3).