CN208417592U - Formula is filled in one kind locks slag ball valve - Google Patents
Formula is filled in one kind locks slag ball valve Download PDFInfo
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- CN208417592U CN208417592U CN201820720982.5U CN201820720982U CN208417592U CN 208417592 U CN208417592 U CN 208417592U CN 201820720982 U CN201820720982 U CN 201820720982U CN 208417592 U CN208417592 U CN 208417592U
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Abstract
Formula is filled in one kind locks slag ball valve, including sphere component and valve body, sphere component is packed into body cavity by valve body top, and sphere component both ends are equipped with the valve seat along the direction sliding with the cooperation of sphere component, are provided with the elasticity part for applying spherical surface pretightning force to sphere component on valve seat；Valve deck is equipped on sphere component, valve deck is internally provided with bearing, and body base is provided with stepped hole, is provided with spring bearing at stepped hole；Sphere component includes sphere, upper axis and lower axle is respectively set in sphere upper and lower side, upper axis is positioned by the bearing axially position in valve deck, lower axle by the spring bearing of valve body lower portion stepped hole；The rigid connection that upper axis, sphere and lower axle are integrated, the utility model not only guarantees service life reliably and with long-term, while can reduce operation and maintenance cost.
Description
Technical field
The utility model relates to the valve technology fields of coal chemical industry pulp water cutting, in particular to dress formula locks slag ball in one kind
Valve.
Background technique
The cutting ball valve of domestic locking slag in coal chemical industry station, sphere mostly use greatly from valve body one end and are packed into body cavity,
Its sphere is connect with valve rod using four directions or rectangle tongue-and-groove, and the above structure design is relatively simple from the aspect of assembly, processing, but
For the HF switch occasion of locking slag in coal chemical industry station, there is also problems.
In the prior art, because the ball valve of locking slag in coal chemical industry station is vertically-mounted.Split type structure connects valve deck and valve
On the one hand the bolt of body bears the pressure medium inside process pipe, on the other hand also carries the weight of valve and downstream line,
In addition it is shaken caused by the cylinder frequent movement switch of large-scale power output, it is easy to appear loosenings at middle body bolt, cause valve
Leakage；The elastic element discontinuity that will also result in sphere valve seat two sides simultaneously, causes the failure of valve bite.
In the prior art, sphere and valve rod connects using four directions or rectangle tongue-and-groove, for anti-extrusion strong of guarantee sphere tongue-and-groove
Degree, sphere outer diameter require to increase very much, to guarantee the sectional area that is squeezed of sphere and valve rod, substantially increase production cost,
It is gap-matched between sphere and valve rod simultaneously, since the extrusion deformation of joint leads to sphere axis and valve after switching for a long time
Rod axis is not coaxial, causes valve rod eccentric wear filler, causes valve leakage out of steam system or even the motionless failure of valve switch.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide fill formula in one kind to lock slag ball
Valve, body portion are an entirety, and structure is simple, not only guarantees service life reliably and with long-term, while can reduce and use and tie up
Protect cost.
To achieve the goals above, the technical solution adopted in the utility model is:
Formula is filled in one kind and locks slag ball valve, including sphere component 2 and valve body 1, and the sphere component 2 passes through 1 top of valve body
It is packed into 1 inner cavity of valve body, 2 both ends of sphere component are equipped with the valve seat 4 along the direction sliding cooperated with sphere component 2, the valve seat 4
On be provided with to sphere component 2 apply spherical surface pretightning force elasticity part 8；
Valve deck 3 is equipped on the sphere component 2, valve deck 3 is internally provided with bearing 6, and 1 bottom of valve body is provided with platform
Rank hole is provided with spring bearing 7 at stepped hole；
The sphere component 2 includes sphere 2c, and upper axis 2a and lower axle 2b, upper axis 2a is respectively set in sphere 2c upper and lower side
By 6 axially position of bearing in valve deck 3, lower axle 2b is positioned by the spring bearing 7 in 1 lower step hole of valve body；
The rigid connection that upper axis 2a, sphere 2c and the lower axle 2b is integrated.
Two ring type seals 5 are correspondingly arranged between 4 outer circle of valve seat and valve body 1.
The ring type seal 5 is ring-shaped graphite sealing ring.
1 structure of valve body is monoblock cast or forging.
The valve seat 4 is equipped with sphere 2c, and valve seat 4, which extends internally, to be matched in the annular heavy platform of valve body 1, described
Valve seat 4 is placed on the round guide part of 1 inner hole of valve body in extending outward to form.
The utility model has the beneficial effects that
The upper axis of the utility model sphere component, sphere, lower axle are connect using the rigid connection of one, and valve body is using one
Formula not only guarantees service life reliably and with long-term, while can reduce operation and maintenance cost because its structure is simple.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is enlarged drawing at Figure 1A.
1- valve body 2- sphere component 3- valve deck 4- valve seat 5- ring type seal 6- bearing 7- spring bearing
8- elasticity part
The upper axis 2b- lower axle 2c- sphere of 2a-
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2: the formula that fills in one kind locks slag ball valve, including valve body 1, sphere component 2, valve seat 4, valve deck 3, sphere
Component 2 passes through 3 internal bearings 6 of valve deck engaged therewith and valve body 1 by being packed into 1 inner cavity of valve body, sphere component 2 in the middle part of valve body 1
Spring bearing 7 at the stepped hole of bottom is fixed on 1 inner cavity of valve body.2 both ends of sphere component be equipped with valve seat 4, valve seat 4 along with sphere
The direction that component 2 cooperates slidably, and is equipped with the elasticity part 8 for applying to valve seat 4 and pressing 2 spherical surface pretightning force of sphere component, position
Two ring type seals 5 are correspondingly arranged between 4 outer circle of valve seat and valve body 1 in the two sides that elasticity part 8 is moved towards along fluid, it is other
Belong to well known to a person skilled in the art technology, details are not described herein.
1 structure of valve body is monoblock cast or forging, and 1 left and right ends of valve body are connected directly with pipeline, can reduce pipeline
Stress caused by self weight and installation, which is concentrated, influences valve internals bring.
The sphere component 2 is packed into valve insertion in the middle part of valve body 1, and upper axis 2a passes through the axis in valve deck 3 in sphere component 2
6 axially positions are held, lower axle 2b is positioned by the spring bearing 7 in 1 lower step hole of valve body in sphere component 2, it is ensured that centring property
Well.
The upper axis 2a of the sphere component 2 is integrated and connect with lower axle 2b, sphere 2c.It is used compared to upper axis 2a and sphere 2c
The mode of tongue-and-groove connection.In same operating condition, the identical situation of service life, the sphere of integrally connected because stress condition is more preferable,
The design of its sphere outer diameter can be much less, and reduce use cost；Centring property is good when also ensuring that valve rotation simultaneously, it is ensured that
The sealing of valve stem packing reliably and with long-term.
2 left and right ends of sphere component are equipped with the valve seat 4 that cooperate with sphere 2c, and valve seat 4 extends internally cooperation and valve body 1
Annular heavy platform in, elasticity part 8 is located at the annular heavy platform of valve body 1 and applies pretightning force to valve seat 4, and valve seat 4 is integrally formed, structure
Simply, it is ensured that valve service performance is stablized.
The valve seat 4 is placed on the round guide part of 1 inner hole of valve body in extending outward to form, and a ring type seal respectively corresponds
Between 4 guide part of valve seat and valve body inner circle.
The ring type seal 5 is ring-shaped graphite sealing ring, has preferable self-lubricating property and sealing performance, thus can
So that the structure has longer service life.
The sphere component 2, which is upwardly extended, matches equipped with upper axis 2a, the upper axis 2a with the rotation of bearing 6 inside valve deck 3
It closes, sphere component 2 extends downwardly the lower axle 2b for being equipped with and being rotatably assorted with valve body 1, passes through spring bearing between the lower axle and valve body 1
7 rotations and location fit.
Sphere component 2 is by being packed into 1 inner cavity of valve body, and upper axis 2a, sphere 2c, the lower axle 2b of sphere component 2 in the middle part of valve body 1
Using one rigid connection, can solve sphere side dress valve body 1 and sphere 2c connect with valve rod tongue-and-groove caused by valve leakage out of steam system and
The problem of switching bite, while because its structure is simple, not only guarantee service life reliably and with long-term, while can reduce and use and tie up
Protect cost.
Sphere component 2 is passed through inside valve deck 3 engaged therewith by being packed into 1 inner cavity of valve body, sphere component 2 in the middle part of valve body 1
Spring bearing 7 at the stepped hole of 1 bottom of bearing 6 and valve body is fixed on 1 inner cavity of valve body.2 both ends of sphere component are equipped with valve seat 4,
Valve seat 4 along the direction cooperated with sphere component 2 slidably, and be equipped with to valve seat 4 application press 2 spherical surface pretightning force of sphere component
Elasticity part 8 is correspondingly arranged two annulars along the two sides that fluid moves towards positioned at elasticity part 8 between 4 outer circle of valve seat and valve body 1
Sealing ring 5.
Claims (5)
1. filling formula in one kind locks slag ball valve, which is characterized in that including sphere component (2) and valve body (1), the sphere component
(2) valve body (1) inner cavity is packed by valve body (1) top, sphere component (2) both ends are equipped with (4) edge and sphere component (2) cooperation
The valve seat (4) of direction sliding is provided with the elasticity part that sphere component (2) are applied with spherical surface pretightning force on the valve seat (4)
(8)；
It is equipped with valve deck (3) on the sphere component (2), valve deck (3) is internally provided with bearing (6), valve body (1) bottom
It is provided with stepped hole, spring bearing (7) are provided at stepped hole；
The sphere component (2) includes sphere (2c), and upper axis (2a) and lower axle (2b) is respectively set at the both ends sphere (2c), on
Axis (2a) passes through the spring bearing in valve body (1) lower step hole by bearing (6) axially position in valve deck (3), lower axle (2b)
(7) it positions；
The rigid connection that upper axis (2a), sphere (2c) and the lower axle (2b) is integrated.
2. dress formula locks slag ball valve in one kind according to claim 1, which is characterized in that valve seat (4) outer circle and valve
Two ring type seals (5) are correspondingly arranged between body (1).
3. dress formula locks slag ball valve in one kind according to claim 2, which is characterized in that the ring type seal (5) is
Ring-shaped graphite sealing ring.
4. dress formula locks slag ball valve in one kind according to claim 1, which is characterized in that valve body (1) structure is whole
Body casting or forging.
5. dress formula locks slag ball valve in one kind according to claim 1, which is characterized in that the valve seat (4) and sphere
(2c) is equipped with, and valve seat (4), which extends internally, to be matched in the annular heavy platform of valve body (1), and the valve seat (4) extends outward to form
Inside it is placed on the guide part of valve body (1) inner hole circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720982.5U CN208417592U (en) | 2018-05-15 | 2018-05-15 | Formula is filled in one kind locks slag ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720982.5U CN208417592U (en) | 2018-05-15 | 2018-05-15 | Formula is filled in one kind locks slag ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417592U true CN208417592U (en) | 2019-01-22 |
Family
ID=65115645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820720982.5U Active CN208417592U (en) | 2018-05-15 | 2018-05-15 | Formula is filled in one kind locks slag ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417592U (en) |
-
2018
- 2018-05-15 CN CN201820720982.5U patent/CN208417592U/en active Active
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