CN208041213U - A kind of floating ball valve - Google Patents
A kind of floating ball valve Download PDFInfo
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- CN208041213U CN208041213U CN201820506708.8U CN201820506708U CN208041213U CN 208041213 U CN208041213 U CN 208041213U CN 201820506708 U CN201820506708 U CN 201820506708U CN 208041213 U CN208041213 U CN 208041213U
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- valve
- valve rod
- sphere
- floating ball
- annular convex
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Abstract
The utility model is related to a kind of floating ball valves, including valve body, valve seat, sphere, valve rod oilless bearing, airtight and watertight padding, setting is suitable for the valve rod pilot hole that valve rod passes through on valve body, annular convex platform is set in the valve rod pilot hole, the middle part protrusion setting annular stop platform of valve rod, oilless bearing includes the axial cannula portion being wholely set and radial gasket part, sphere is equipped with valve base sealing in valve body when assembly, the bottom of valve rod coordinates with sphere transmission, oilless bearing is set on valve rod, so that the radial gasket part of oilless bearing is placed between the upper ring surface of annular stop platform and the lower anchor ring of annular convex platform, axial cannula portion is placed between annular convex platform inner ring surface and valve rod, airtight and watertight padding is placed in valve rod pilot hole, the upside of annular convex platform.
Description
Technical field
The utility model is related to universal valve technical field, especially a kind of floating ball valve.
Background technology
Ball valve controls the flow of medium by rotating sphere, very easy to use, therefore in industry and daily life
Using very extensive；Ball valve is mainly characterized by compact-sized, sealed reliable itself, simple in structure, easy to maintenance, sealing surface with
Spherical surface is not easy by medium erosion, it is general to be suitable for water, solvent, acid and natural gas etc. for easily operated and repair often in closed state
Working media, but also the medium severe suitable for operating condition, such as oxygen, hydrogen peroxide, methane and ethylene, each
Industry is widely used.Floating ball valve is equally widely used as one of important branch；Floating ball valve cares for name
Think justice, sphere is to float, under pressure medium effect, sealing that sphere can generate certain displacement and be pressed on outlet end
On face, ensure outlet end sealing.The typical structure of floating ball valve generally comprises regulation handle, valve rod, sphere, valve body, sealing are filled out
Material etc., for example, Chinese granted patent notification number CN205781021U record a kind of floating ball valve with flange, China's mandate
A kind of locking device float ball valve etc. that patent announcement CN206874866U is recorded, above-mentioned floating ball valve is using process
In there are following defects：When rotating regulation handle under use state, can occur crooked, valve rod and airtight and watertight padding, valve with ovable valve stem
Concentricity between bar pilot hole declines, and causes to form friction between valve rod and valve body, filler, if things go on like this causes valve rod, fills out
The abrasion of material is uneven, is easy leakage, influences the service life of floating ball valve.
Utility model content
The technical problem to be solved by the present invention is to provide it is a kind of it is simple in structure, improve the floating of valve rod and filler concentricity
Dynamic ball valve.
In order to solve the above technical problems, floating ball valve provided by the utility model, including：Valve body, valve seat, sphere, valve rod
Oilless bearing, airtight and watertight padding, on the valve body setting be suitable for the valve rod pilot hole that the valve rod passes through, set in the valve rod pilot hole
Annular convex platform is set, the middle part protrusion setting annular stop platform of the valve rod, the oilless bearing includes the axial set being wholely set
Pipe portion and radial gasket part, when assembly, the sphere was equipped with the valve base sealing in the valve body, the valve rod
Bottom coordinates with sphere transmission, and the oilless bearing is set on the valve rod so that the radial gasket part of oilless bearing
It is placed between the upper ring surface of annular stop platform and the lower anchor ring of annular convex platform, the axial direction cannula portion is placed in the annular convex platform
Between anchor ring and valve rod, the airtight and watertight padding is placed in valve rod pilot hole, the upside of annular convex platform, by oilless bearing, convex annular
Platform, annular stop platform are supported limit to valve rod, avoid valve rod from being contacted with valve rod pilot hole inner wall, while by oilless bearing
Radial gasket part is sealed valve rod and annular convex platform, increases the sealing performance of floating ball valve.
Further, floating ball valve further includes adjusting circle, butterfly spring and pressing plate with valve rod socket cooperation, described to adjust circle
It is placed on the upside of the airtight and watertight padding, the butterfly spring is placed in described adjust and encloses upside, and the pressing plate is placed in the butterfly spring
Upside, the pressing plate are connected through bolt with the valve body so that the pressing plate, butterfly spring, adjust circle to airtight and watertight padding realize
It compresses, and elastic compensating is carried out to airtight and watertight padding by butterfly spring, it is ensured that the sealing performance of airtight and watertight padding.
Further, the valve body includes the left valve barrel and right valve barrel of sealing cooperation, is distinguished on the left valve barrel and right valve barrel
Semi-circular boss is set, so that two halves annular convex platform in the valve rod pilot hole formed after the left valve barrel and right valve barrel sealing cooperation
It matches to form annular convex platform.
Further, the sphere is centrally disposed for by the flow of media pipeline of medium, being set at the top of the sphere
U-type groove is set, the extending direction of the U-type groove and the extending direction of the flow of media pipeline are perpendicular, and the bottom end of the valve rod is set
The rectangular clamping portion being engaged by clamping with the U-type groove is set, the two side of the rectangular clamping portion and the sidewall spacers of the U-type groove are matched
It closes, so that the valve rod can drive the sphere to rotate when rotating, and extending direction that sphere can be along U-type groove and rectangular clamping portion
It is slidably matched, certain displacement is generated convenient for sphere and is pressed on the valve seat of outlet end, to ensure sealing effect.
Further, floating ball valve further includes spring and bead, and spring, which is arranged, on the side wall of the rectangular clamping portion of valve rod pacifies
Set hole, spring and bead are placed in the spring seating holes when assembly, by spring outwardly against the bead so that the bead
Continuous contact is kept between sphere, forms turning circuit, can be through electric charge transfer, friction generation when never sphere being avoided to switch
Electrostatic accumulation so that floating ball valve has anti-static function.
Further, the valve seat, oilless bearing are polytetrafluoroethylene (PTFE) integrated injection molding, it is ensured that while lubricant effect,
Have sealing characteristics, it is corrosion-resistant.
The technique effect of utility model：（1）The floating ball valve of the utility model, compared with the existing technology, valve rod and valve body
Between oilless bearing is set, and oilless bearing is made of axial cannula portion and radial gasket part so that valve rod is in rotation process
It is supported by oilless bearing, especially valve rod makes valve rod tilt in the moment for starting rotation, the pressure of application, oilless bearing
The presence of axial cannula portion makes the inclination of valve rod be transferred to oilless bearing, and the presence of radial gasket part makes valve rod tilt
When, it is contacted with the inner wall of valve rod pilot hole by the edge of radial gasket part and forms limit, the inclined degree of valve rod can be greatly reduced,
Ensure that valve rod has higher concentricity in rotation with valve rod pilot hole, airtight and watertight padding, effectively reduces valve rod and valve body
Abrasion, extends the service life of floating ball valve；（2）Select the oilless bearing of polytetrafluoroethylene fibre compression molding so that floating
Dynamic ball valve more bearing seals together, oilless bearing radial direction gasket part, annular convex platform, ring between valve base sealing and packing seal
Shape limiting stand cooperates so that and the upper and lower anchor ring of radial gasket part coordinates with annular convex platform, the sealing of annular stop platform respectively,
Enhance the sealing performance of floating ball valve；（3）The setting of butterfly spring, can be pressed and sealed filler, at the same in use with
The consumption of airtight and watertight padding, the pressure release of butterfly spring so that airtight and watertight padding is axially remaining enough pressure, it is ensured that
Sealing effect improves service life.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings of the specification：
Fig. 1 is the dimensional structure diagram of the utility model floating ball valve；
Fig. 2 is the cross-sectional view of the utility model floating ball valve；
Fig. 3 is the partial enlarged view of a-quadrant in Fig. 2；
Fig. 4 is the cross-sectional view of the valve body of the utility model；
Fig. 5 is the sphere of the utility model and the dimensional structure diagram of valve seat；
Fig. 6 is the dimensional structure diagram of the oilless bearing of the utility model；
Fig. 7 is the dimensional structure diagram of the valve rod of the utility model；
Fig. 8 is the dimensional structure diagram of the pressing plate of the utility model.
In figure：Left valve barrel 1, medium entrance end 11, annular convex platform 12, valve rod pilot hole 13, sealing ring 14, bolt 15 are right
Valve body 2, media outlet end 21, valve rod 3, annular stop platform 31, rectangular clamping portion 32, spring seating holes 33, spring 34, bead
35, O-ring 36 above adjusts circle 37, under adjust circle 38, oilless bearing 4, axial cannula portion 41, radial gasket part 42, hollow valve body
5, U-type groove 51, flow of media pipeline 52, valve seat 6, pressing plate 7, stem through-hole 71, ear block 72, bolt mounting holes 73, airtight and watertight padding
8, butterfly spring 9.
Specific implementation mode
Embodiment 1 is shown as shown in Figures 1 to 4, the floating ball valve of the present embodiment, including valve body, valve seat 6, sphere 5, valve
Bar oilless bearing 4, airtight and watertight padding 8, valve body include the left valve barrel 1 and right valve barrel 2 of sealing cooperation, are divided on left valve barrel 1 and right valve barrel 2
Not She Zhi semi-circular boss so that two halves convex annular after the valve rod pilot hole 13 that is formed after left valve barrel 1 and the sealing cooperation of right valve barrel 2
Platform matches to form annular convex platform 12；Teflin ring 14 is set between left valve barrel 1 and right valve barrel 2, and through bolt 15
It is fixedly linked, is easily assembled.Polytetrafluoroethylene (PTFE) valve seat 6 is embedded in left valve barrel 1 and right valve barrel 2, sphere 5 coordinates with the sealing of valve seat 6
It is arranged in valve body.
As shown in fig. 7, the middle part protrusion setting annular stop platform 31 of valve rod 3, as shown in figure 5, the centrally disposed use of sphere 5
In the top of the flow of media pipeline 52 by medium, sphere 5, U-type groove 51, the extending direction and medium flow field of the U-type groove 51 are set
The extending direction on siphunculus road 52 is perpendicular, the rectangular clamping portion 32 of the bottom end setting and the clamping engagement of U-type groove 51 of valve rod 3, the party
The two side of shape clamping portion 32 coordinates with the sidewall spacers of U-type groove 51, so that valve rod 3 can drive sphere 5 to rotate when rotating, and ball
Body 5 can be slidably matched along the extending direction of U-type groove 51 with rectangular clamping portion 32.
Floating ball valve further includes spring 34 and bead 35, and spring seating holes are arranged on the side wall of the rectangular clamping portion of valve rod 32
33, spring 34 and bead 35 are placed in spring seating holes 33 when assembly, by spring 34 outwardly against bead 35 so that bead 35 with
Continuous contact is kept between sphere 5, forms turning circuit.
Floating ball valve further include with valve rod 3 socket cooperation on adjust circle 37, under adjust circle 38, O-ring 36, butterfly spring
9 and pressing plate 7, as shown in fig. 6, oilless bearing 4 includes the axial cannula portion 41 being wholely set and radial gasket part 42, when assembly,
The U-type groove 51 with sphere is inserted into the rectangular clamping portion 32 of 3 bottom of valve rod, and oilless bearing 4 is set on valve rod 3 so that oil-free axis
It holds 4 radial gasket part 42 to be placed between the upper ring surface of annular stop platform 31 and the lower anchor ring of annular convex platform 12, axial cannula portion
41 are placed between 12 inner ring surface of annular convex platform and valve rod 3, under adjust circle and 38 be placed on annular convex platform 12, O-ring 36 is placed in down whole
Surely the airtight and watertight padding 8 of the upside of circle 38, polytetrafluoroethylene fibre compacting is placed in the upside of O-ring 36, above adjust circle 37 be placed in it is close
The upside of packing material 8, butterfly spring 9 are placed in the upside for adjusting circle 37, and pressing plate 7 is placed in the upside of butterfly spring 9, such as Fig. 8 institutes
Show, the centrally disposed stem through-hole 71 passed through suitable for valve rod 3 of pressing plate 7, the both sides setting ear block 72 of pressing plate 7, divides on ear block 72
She Zhi bolt mounting holes 73 so that pressing plate 7 can be connected through bolt 15 with valve body so that pressing plate 7, butterfly spring 9, on adjust circle
37 pairs of airtight and watertight paddings 8, which are realized, to be compressed, and carries out elastic compensating to airtight and watertight padding 8 by butterfly spring 9, it is ensured that airtight and watertight padding 8 it is close
Sealing property.
When specifically used, medium is entered by the medium entrance end 11 of left valve barrel 1, and rotation valve rod 3 is so that hollow valve body 5 rotates
When being communicated to flow of media pipeline 52 with medium entrance end 11, the medium that medium flows to right valve barrel 2 through flow of media pipeline 52 goes out
Mouth end 21, when hollow valve body 5 turns to flow of media pipeline 52 and the perpendicular center line of left valve barrel 1, right valve barrel 2, hollow core valve
The spherical surface of body 5 separates medium, and hollow valve body 5 deviates under medium promotion to right valve barrel 2, by hollow valve body 5 and the right side
Valve seat in valve body 2 forms sealing cooperation.
Obviously, above-described embodiment is only intended to clearly illustrate the utility model example, and is not to this reality
With the restriction of novel embodiment.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the spiritual changes and variations that derived from of the utility model still in the scope of protection of the utility model
Among.
Claims (6)
1. a kind of floating ball valve, which is characterized in that including：Valve body, valve seat, sphere, valve rod oilless bearing, airtight and watertight padding, it is described
Setting is suitable for the valve rod pilot hole that the valve rod passes through on valve body, and annular convex platform is arranged in the valve rod pilot hole, the valve rod
Middle part protrusion setting annular stop platform, the oilless bearing include the axial cannula portion being wholely set and radial gasket part, assembly
Shi Suoshu spheres are equipped with the valve base sealing in the valve body, and the bottom of the valve rod is matched with sphere transmission
It closes, the oilless bearing is set on the valve rod so that the radial gasket part of oilless bearing is placed in the upper ring of annular stop platform
Between face and the lower anchor ring of annular convex platform, the axial direction cannula portion is placed between the annular convex platform inner ring surface and valve rod, described
Airtight and watertight padding is placed in valve rod pilot hole, the upside of annular convex platform.
2. floating ball valve according to claim 1, which is characterized in that further include adjusting circle, butterfly with what valve rod socket coordinated
Shape spring and pressing plate, the circle of adjusting are placed on the upside of the airtight and watertight padding, and the butterfly spring is placed in described adjust and encloses upside, institute
It states pressing plate to be placed on the upside of the butterfly spring, the pressing plate is connected through bolt with the valve body, so that the pressing plate, butterfly bullet
Spring adjusts circle to airtight and watertight padding realization compression.
3. floating ball valve according to claim 2, which is characterized in that the valve body includes left valve barrel and the right side of sealing cooperation
Semi-circular boss is respectively set on the left valve barrel and right valve barrel in valve body, so that after the left valve barrel and right valve barrel sealing cooperation
Two halves annular convex platform matches to form annular convex platform in the valve rod pilot hole of formation.
4. floating ball valve according to claim 3, which is characterized in that the centrally disposed of the sphere is used for through medium
U-type groove is arranged in the top of flow of media pipeline, the sphere, and the extending direction of the U-type groove prolongs with the flow of media pipeline
The rectangular clamping portion that direction is perpendicular, and the bottom end of the valve rod is arranged and the U-type groove is engaged by clamping is stretched, the rectangular clamping portion
Two side and the sidewall spacers of the U-type groove coordinate, so that the valve rod can drive the sphere to rotate when rotating.
5. floating ball valve according to claim 4, which is characterized in that further include spring and bead, the valve rod square card
Spring seating holes are set on the side wall of socket part, and spring and bead are placed in the spring seating holes when assembly, are squeezed outward by spring
Press the bead so that keep continuous contact between the bead and sphere.
6. floating ball valve according to claim 5, which is characterized in that the valve seat, oilless bearing are polytetrafluoroethylene (PTFE) one
Body injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820506708.8U CN208041213U (en) | 2018-04-10 | 2018-04-10 | A kind of floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820506708.8U CN208041213U (en) | 2018-04-10 | 2018-04-10 | A kind of floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041213U true CN208041213U (en) | 2018-11-02 |
Family
ID=63944586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820506708.8U Active CN208041213U (en) | 2018-04-10 | 2018-04-10 | A kind of floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278382A (en) * | 2018-04-10 | 2018-07-13 | 博莱阀门（常州）有限公司 | A kind of floating ball valve |
| CN113898758A (en) * | 2021-11-18 | 2022-01-07 | 浙江东信阀门有限公司 | High-sealing fluorine-lined ball valve |
-
2018
- 2018-04-10 CN CN201820506708.8U patent/CN208041213U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278382A (en) * | 2018-04-10 | 2018-07-13 | 博莱阀门（常州）有限公司 | A kind of floating ball valve |
| CN113898758A (en) * | 2021-11-18 | 2022-01-07 | 浙江东信阀门有限公司 | High-sealing fluorine-lined ball valve |
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| GR01 | Patent grant |