CN208107264U - A kind of worm-drive Fixed ball valve - Google Patents
A kind of worm-drive Fixed ball valve Download PDFInfo
- Publication number
- CN208107264U CN208107264U CN201820230898.5U CN201820230898U CN208107264U CN 208107264 U CN208107264 U CN 208107264U CN 201820230898 U CN201820230898 U CN 201820230898U CN 208107264 U CN208107264 U CN 208107264U
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- sphere
- annular
- valve
- worm
- annular flange
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Abstract
The utility model relates to ball valve technical fields, especially a kind of worm-drive Fixed ball valve, including valve body, elastic packing mechanism is equipped between the valve inner and sphere, the elastic packing mechanism includes valve seat, first annular plate, the valve seat and sphere are tangent, and O-ring is equipped between the valve seat and sphere, the valve seat is connected with the second annular slab far from one end of sphere, the second annular slab excircle is connected with the second annular flange, second annular flange and valve interior wall are tangent, the first annular plate is fixed in valve body by hexagon socket head cap screw, the first annular plate end face is connected with first annular flange, the first annular flange inner peripheral surface and the second annular slab outer circumference surface are tangent, and sealing ring is equipped between first annular flange and the second annular slab.The present apparatus use of time effectively reduces the abrasion between valve seat and sphere, and the noise for the generation that rubs between valve seat and sphere is effectively reduced, and improves sealing effect.
Description
Technical field
The utility model relates to ball valve technical field more particularly to a kind of worm-drive Fixed ball valves.
Background technique
Ball valve refers to making opening and closing element with the sphere with circular through hole, and sphere is rotated with valve rod, to realize switching motion
Valve.
The use of ball valve is continuous year by year to be risen, and in China, ball valve is widely used in petroleum refining, long defeated pipe
The industries such as line, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel occupy very important status in national economy.It
With the movement being rotated by 90 °, faucet body is sphere, has circular through hole or channel to pass through its axis.Ball valve is mainly used in pipeline
Make the flow direction for cutting off, distributing and changing medium, it is only needed with the rotating torque of the operation and very little being rotated by 90 ° just
It can close tight.
Present ball valve when in use, due to valve seat use rigid design, when sphere rotation when, with valve seat it
Between generate friction, after being used for a long time, sphere or valve seat will generate abrasion, cause to be not tight seal, cause to leak, be often worn out
Afterwards, noise can be generated when rotating sphere.
Utility model content
Purpose of the utility model is to solve be also easy to produce lacking for frictionally damage between sphere and valve seat in the prior art
Point, and a kind of worm-drive Fixed ball valve proposed.
To achieve the goals above, the utility model uses following technical solution：
Design a kind of worm-drive Fixed ball valve, including valve body, the valve body top is connected with bracket, on the bracket
Portion is connected with Worm and worm-wheel gearing, and valve rod, the valve rod bottom end are connected on the worm gear of the Worm and worm-wheel gearing
It is connected with sphere, the sphere is placed in valve body, and centering machine, the valve inner are equipped between the valve body bottom end and sphere
Elastic packing mechanism is equipped between sphere；
The elastic packing mechanism includes valve seat, first annular plate, and the valve seat and sphere are tangent, and the valve seat and ball
O-ring is equipped between body, the valve seat is connected with the second annular slab far from one end of sphere, and the second annular slab excircle is solid
It is connected to the second annular flange, second annular flange and valve interior wall are tangent, and the first annular plate is placed in the second annular slab
Side far from sphere, the first annular plate are fixed in valve body by hexagon socket head cap screw, and the first annular plate end face is solid
It is connected to first annular flange, several compression bullets are equipped between the first annular flange end face and the second annular flange end face
Spring, the first annular flange inner peripheral surface and the second annular slab outer circumference surface are tangent, and first annular flange and the second annular
Sealing ring is equipped between plate.
It is tangent between valve seat and sphere when rotating sphere, and it is equipped with sealing ring therebetween, guarantee sealing well
Effect, due to being equipped with compressed spring between the second annular flange and first annular flange, when guaranteeing that sphere and valve seat contact,
There is the leeway of rebound, reduce the degree of wear prevents liquid or gas from invading since first annular flange and the second annular slab are tangent
Compressed spring is lost, guarantees compressed spring service life, and first annular plate is fixed in valve body using hexagon socket head cap screw, is convenient for
Installing and dismounting.
Preferably, the second annular flange excircle is embedded with sealing ring.
Preferably, packing seal mechanism is equipped between the valve rod and valve body.
The utility model proposes a kind of worm-drive Fixed ball valve, beneficial effect is：The present apparatus use of time, has
Effect reduces the abrasion between valve seat and sphere, extends valve seat and sphere service life, reduces maintenance frequency, be effectively reduced valve seat with
Rub the noise of generation between sphere, improves sealing effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the valve body and ball seal structural schematic diagram of the utility model.
In figure：Centering machine 1, elastic packing mechanism 2, valve body 3, packing seal mechanism 4, Worm and worm-wheel gearing 5, valve
Bar 6, bracket 7, sphere 8, hexagon socket head cap screw 9, first annular plate 10, first annular flange 11, compressed spring 12, valve seat 13,
Second ring flange 14, the second annular slab 15.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of worm-drive Fixed ball valve, including valve body 3,3 top of valve body are connected with bracket 7, bracket 7
Top is connected with Worm and worm-wheel gearing 5, and valve rod 6 is connected on the worm gear of Worm and worm-wheel gearing 5, and 6 bottom end of valve rod connects
It is connected to sphere 8, sphere 8 is placed in valve body 3, and centering machine 1,3 inside of valve body and sphere 8 are equipped between 3 bottom end of valve body and sphere 8
Between be equipped with elastic packing mechanism 2, between valve rod 6 and valve body 3 be equipped with packing seal mechanism 4；
Elastic packing mechanism 2 includes valve seat 13, first annular plate 10, and valve seat 13 and sphere 8 are tangent, and valve seat 13 and sphere
O-ring is equipped between 8, valve seat 13 is connected with the second annular slab 15 far from one end of sphere 8, and 15 excircle of the second annular slab is affixed
There is the second annular flange 14,14 excircle of the second annular flange is embedded with sealing ring, the second annular flange 14 and 3 inner wall phase of valve body
It cuts, first annular plate 10 is placed in the second side of the annular slab 15 far from sphere 8, and first annular plate 10 is solid by hexagon socket head cap screw 9
It connects in valve body 3, first annular 10 end face of plate is connected with first annular flange 11, first annular 11 end face of flange and the second annular
Several compressed springs 12, first annular 11 inner peripheral surface of flange and 15 excircle of the second annular slab are equipped between 14 end face of flange
Face is tangent, and sealing ring is equipped between first annular flange 11 and the second annular slab 15.
It is tangent between valve seat 13 and sphere 8 when rotating sphere 8, and it is equipped with sealing ring therebetween, guarantee well
Sealing effect guarantees sphere 8 and valve seat due to being equipped with compressed spring 12 between the second annular flange 14 and first annular flange 11
When 13 contact, there is the leeway of rebound, reduces the degree of wear, since first annular flange 11 and the second annular slab 15 are tangent,
Liquid or gas pickling compressed spring 12 are prevented, guarantees 12 service life of compressed spring, and in the use of first annular plate 10
Hex bolts 9 is fixed in valve body 3, is easily installed disassembly.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of worm-drive Fixed ball valve, which is characterized in that including valve body (3), valve body (3) top is connected with bracket
(7), bracket (7) top is connected with Worm and worm-wheel gearing (5), on the worm gear of the Worm and worm-wheel gearing (5)
It is connected with valve rod (6), valve rod (6) bottom end is connected with sphere (8), and the sphere (8) is placed in valve body (3), the valve body
(3) it is equipped with centering machine (1) between bottom end and sphere (8), the valve body (3) is internal to be equipped with elastic packing between sphere (8)
Mechanism (2)；
The elastic packing mechanism (2) includes valve seat (13), first annular plate (10), and the valve seat (13) and sphere (8) are tangent,
And O-ring is equipped between the valve seat (13) and sphere (8), the valve seat (13) is connected with second far from the one end of sphere (8)
Annular slab (15), the second annular slab (15) excircle are connected with the second annular flange (14), second annular flange
(14) tangent with valve body (3) inner wall, the first annular plate (10) is placed in the side of the second annular slab (15) far from sphere (8),
The first annular plate (10) is fixed in valve body (3) by hexagon socket head cap screw (9), and first annular plate (10) end face is affixed
Have first annular flange (11), is equipped between first annular flange (11) end face and the second annular flange (14) end face several
A compressed spring (12), first annular flange (11) inner peripheral surface and the second annular slab (15) outer circumference surface are tangent, and the
Sealing ring is equipped between one annular flange (11) and the second annular slab (15).
2. a kind of worm-drive Fixed ball valve according to claim 1, which is characterized in that second annular flange
(14) excircle is embedded with sealing ring.
3. a kind of worm-drive Fixed ball valve according to claim 1, which is characterized in that the valve rod (6) and valve body
(3) packing seal mechanism (4) are equipped between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230898.5U CN208107264U (en) | 2018-02-09 | 2018-02-09 | A kind of worm-drive Fixed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820230898.5U CN208107264U (en) | 2018-02-09 | 2018-02-09 | A kind of worm-drive Fixed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107264U true CN208107264U (en) | 2018-11-16 |
Family
ID=64124013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820230898.5U Active CN208107264U (en) | 2018-02-09 | 2018-02-09 | A kind of worm-drive Fixed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107264U (en) |
-
2018
- 2018-02-09 CN CN201820230898.5U patent/CN208107264U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |