CN207349486U - A kind of butterfly handle ball valve - Google Patents
A kind of butterfly handle ball valve Download PDFInfo
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- CN207349486U CN207349486U CN201721231981.6U CN201721231981U CN207349486U CN 207349486 U CN207349486 U CN 207349486U CN 201721231981 U CN201721231981 U CN 201721231981U CN 207349486 U CN207349486 U CN 207349486U
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Abstract
The utility model discloses a kind of butterfly handle,Aim to provide a kind of easy to clean,The butterfly handle that effluent quality is good and overall sealing performance is good,A kind of its key points of the technical solution are that butterfly handle ball valve,Including valve body,The valve deck being placed on valve body water outlet,The valve ball being placed between valve body and valve deck,Cavity is formed between valve body and valve ball,Valve ball includes the deflector hole for water flowing,First seal assembly includes the graphite-seal ring contradicted with valve ball,It is set in the rubber seal ring of graphite-seal ring outer wall,Connection cavity and the through hole of deflector hole are equipped with the top of valve ball,Valve body is equipped with the sewage draining exit being placed in below valve ball,Sewage draining exit is equipped with blocking cap,Blocking cap includes stretching into the stifled core in cavity,Stifled core end face is equipped with the locating slot being placed in below valve ball,Locking ball is equipped with locating slot,The swivelling chute being adapted to locking ball is additionally provided with valve ball,Valve deck inner wall is equipped with filtration apparatus,The utility model is suitable for valve technology field.
Description
Technical field
A kind of valve technology field is the utility model is related to, more specifically, it relates to a kind of butterfly handle ball valve.
Background technology
Ball valve is a kind of by valve rod drive valve ball and the valve to rotate around valve ball axis, the adjusting available for fluid
With control.
At present, the ball valve of in the market includes valve body, valve deck, valve ball and valve rod, and valve ball is located in valve body, valve ball and valve body it
Between be equipped with sealing ring, it is ensured that leakproofness when valve ball is closed, but ball valve, in use there are problems with, valve ball can be because valve ball
The influence of abrasion or hydraulic pressure with valve rod connecting pin, causes valve ball to produce offset when rotating, and influences between valve ball and valve body
Leakproofness during closure；Cavity can be formed between valve rod, valve deck, valve ball, sealing ring and valve body, the current of inside cavity are not easy to flow
It is dynamic, it is easy to which that rotten, growth bacterium, especially when in the pipeline that ball valve is used for domestic water or food processing, can give people
Health care belt influences；Since the intake tunnel of ball valve is not provided with filter assemblies, impurity can influence water quality in water body.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind is easy to clean, effluent quality is good
And the butterfly handle that overall sealing performance is good.
To achieve the above object, the utility model provides following technical solution：A kind of butterfly handle ball valve, including valve
Body, the valve deck being placed on valve body water outlet, the valve ball being placed between valve body and valve deck, are connected between valve body and valve deck by screw thread
Connect, valve ball both ends are equipped with the first seal assembly, and the valve rod that one end is connected with valve ball is additionally provided with valve body, and the valve rod other end is equipped with
Butterfly handle, forms cavity between valve body and valve ball, valve ball includes the deflector hole for water flowing, it is characterized in that：Described first is close
Graphite-seal ring that sealing assembly includes contradicting with valve ball, be set in the rubber seal ring of graphite-seal ring outer wall, rubber seal ring
U-shaped structure is coated on the internal and external peripheral wall of graphite-seal ring with one side of the graphite-seal ring away from valve ball, is set at the top of valve ball
There are connection cavity and the through hole of deflector hole, valve body is equipped with the sewage draining exit being placed in below valve ball, and sewage draining exit is equipped with blocking cap, blocking cap
Including stretching into the stifled core in cavity, stifled core end face is equipped with the locating slot being placed in below valve ball, and locking ball is equipped with locating slot,
The swivelling chute being adapted to locking ball is additionally provided with valve ball, valve deck inner wall is equipped with filtration apparatus.
By using above-mentioned technical proposal, sealing ring is close using graphite-seal ring and rubber seal ring double-decker, graphite
Seal ring has more preferable wear-resisting property, so as to increase the wear-resisting property of resistance surface between graphite-seal ring and valve ball, rubber seal
The U-shaped outside for being coated on graphite-seal ring of ring, rubber seal ring has more preferable elastic potential energy, so as to pass through the bullet of itself
Property potential energy ensure between above-mentioned sealing ring and valve ball or the conflict power between valve body, avoid frayed and loosen, improve valve ball
Leakproofness between valve body and between valve ball and valve deck, when if desired cleaning cavity, opens sewage draining exit, current can first pass through logical
Hole flows into cavity, then is flowed into above cavity below cavity, is flowed out finally by sewage draining exit, the circulation style of this structure is right
The cleaning of cavity is more uniform, and cleaning effect is good, while if sewage draining exit closes, and during valve ball opening, some current
It can be entered from through hole in cavity, the liquid in cavity will also pass through through hole and enter in deflector hole, make at the current in cavity
In flow regime, avoid growing bacterium, locking ball is placed on the central axes of valve rod, when locking ball can increase valve ball rotation
Stability, locking ball uses spherical structure, can reduce the resistance between swivelling chute and locking ball, reduces abrasion, mistake
Filter device plays a role in filtering water outlet current, improves water quality.
The utility model is further arranged to：The filtration apparatus includes being placed in the filter frame of valve interior wall, is placed in filter frame
And the first strainer, the second strainer and the 3rd strainer set gradually along water inlet direction, it is equipped between the first strainer and the second strainer
Cavernous body, is equipped with activated carbon adsorption bag between the second strainer and the 3rd strainer.
By using above-mentioned technical proposal, filter frame is connected on the inner wall of valve deck, and valve deck inner wall is equipped with internal thread, with
During external pipe fitting connection, external pipe fitting can produce extruding to filter frame, i.e., fixation, the first strainer, the second filter are played to filter frame
Net and the 3rd strainer successively package filtering sponge and activated carbon adsorption sizing fixation, the first strainer, the second strainer and
The filter opening aperture of 3rd strainer is sequentially reduced, and improves filter effect, and water body is risen by filtering sponge and activated carbon adsorption bag
Acted on to further adsorption filtration, improve filter effect.
The utility model is further arranged to：The valve rod is equipped with annular groove, is arranged with annular groove close with valve body conflict
Seal, the second seal assembly contradicted with valve body, the pressure cap for compressing the second seal assembly is also arranged with valve rod, second is close
Sealing assembly includes the first graphite bushing and the second graphite bushing that overlap up and down, the first graphite bushing and the second graphite bushing it is folded
Conjunction face is pyramidal structure, and the first graphite bushing and the second graphite bushing include some graphite annulus valves and some rubber ring valves, stone
Black ring valve and rubber ring valve are spaced successively connects and composes loop configuration, is connected between graphite annulus valve and rubber ring valve by binding agent
Connect.
Realized by using above-mentioned technical proposal, between valve rod and valve body by sealing ring and the second seal assembly dual close
Envelope acts on, and improves sealing performance, and since graphite annulus valve and rubber ring valve are intervally arranged successively, rubber ring valve has preferably elasticity
Performance, easy to adjust the radial load that graphite annulus valve is subject to, so that the stress of graphite bushing is more balanced, in pressure cap and valve body
In screwing operations, pressure cap produces the second seal assembly lower pressure, and folded due to the first graphite bushing and the second graphite bushing
Conjunction face is pyramidal structure, then the first graphite bushing stress radial contraction, improves the leakproofness between the first graphite bushing and valve rod,
Second graphite bushing stress is radially expanded, and improves the leakproofness between the second graphite bushing and valve body, the first graphite bushing and the
Sealed between two graphite bushings by inclined-plane, improve the leakproofness between graphite bushing and valve deck, so as to improve valve body, second close
Axially loaded between sealing assembly and body of rod three, that is, improve the conflict leakproofness between three, and graphite annulus in graphite bushing
Valve component accounting is larger, has more preferable wear-resisting property, improves service life.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of butterfly handle ball valve embodiment of the utility model.
Fig. 2 is the structure diagram of filtration apparatus in a kind of butterfly handle ball valve embodiment Fig. 1 of the utility model.
Fig. 3 is the structure diagram of the second seal assembly in a kind of butterfly handle ball valve embodiment Fig. 1 of the utility model.
Fig. 4 is the plan structure signal of the first graphite bushing in a kind of butterfly handle ball valve embodiment Fig. 3 of the utility model
Figure.
Embodiment
It is described further referring to figs. 1 to a kind of butterfly handle ball valve embodiment of 4 pairs of the utility model.
A kind of butterfly handle ball valve, including valve body 1, be placed on 1 water outlet of valve body valve deck 2, be placed in valve body 1 and valve deck 2
Between valve ball 3, be connected through a screw thread between valve body 1 and valve deck 2,3 both ends of valve ball are equipped with the first seal assembly 4, on valve body 1
The valve rod 5 that one end is connected with valve ball 3 is additionally provided with, 5 other end of valve rod is equipped with butterfly handle 6, chamber is formed between valve body 1 and valve ball 3
Body 7, valve ball 3 include the deflector hole 8 for water flowing, it is characterized in that：First seal assembly 4 includes the stone contradicted with valve ball 3
Black sealing ring 9, the rubber seal ring 10 for being set in 9 outer wall of graphite-seal ring, 10 U-shaped structure of rubber seal ring are coated on graphite
On the internal and external peripheral wall of sealing ring 9 and in one side of the graphite-seal ring 9 away from valve ball 3, the top of valve ball 3 is equipped with connection cavity 7 and leads
The through hole 11 of discharge orifice 8, valve body 1 are equipped with the sewage draining exit 12 for being placed in the lower section of valve ball 3, and sewage draining exit 12 is equipped with blocking cap 13, blocking cap 13
Including stretching into the stifled core in cavity 7, stifled core end face is equipped with the locating slot for being placed in the lower section of valve ball 3, and positioning steel is equipped with locating slot
Ball 14, is additionally provided with the swivelling chute being adapted to locking ball 14 on valve ball 3,2 inner wall of valve deck is equipped with filtration apparatus 15.
By using above-mentioned technical proposal, sealing ring uses 10 double-decker of graphite-seal ring 9 and rubber seal ring, graphite
Sealing ring 9 has more preferable wear-resisting property, so as to increase the wear-resisting property of resistance surface between graphite-seal ring 9 and valve ball 3, rubber
The U-shaped outside for being coated on graphite-seal ring 9 of sealing ring 10, rubber seal ring 10 have more preferable elastic potential energy, so as to logical
Crossing the elastic potential energy of itself ensures between above-mentioned sealing ring and valve ball 3 or the conflict power between valve body 1, avoids frayed and loose
It is dynamic, improve between valve ball 3 and valve body 1 and the leakproofness between valve ball 3 and valve deck 2, when if desired cleaning cavity 7, open blowdown
Mouth 12, current can first pass through through hole 11 and flow into cavity 7, then the lower section of cavity 7 is flowed into above cavity 7, finally by sewage draining exit 12
Outflow, the circulation style of this structure, the cleaning to cavity 7 is more uniform, and cleaning effect is good, while if sewage draining exit 12 closes
Close, and during the opening of valve ball 3, some current can also enter in cavity 7 from through hole 11, and the liquid in cavity 7 will also pass through
Through hole 11 is entered in deflector hole 8, the current in cavity 7 is in flow regime, avoids growing bacterium, locking ball 14 is placed in
On the central axes of valve rod 5, locking ball 14 can increase stability when valve ball 3 rotates, and locking ball 14 uses spherical structure,
The resistance between swivelling chute and locking ball 14 can be reduced, reduces abrasion, filtration apparatus 15 plays water outlet current filtering and makees
With raising water quality.
The utility model is further arranged to：The filtration apparatus 15 includes being placed in the filter frame 16 of 1 inner wall of valve body, is placed in filter
The first strainer 17, the second strainer 18 and the 3rd strainer 19 set gradually in frame 16 and along water inlet direction, the first strainer 17 and the
Cavernous body 20 is equipped between two strainers 18, activated carbon adsorption bag 21 is equipped between the second strainer 18 and the 3rd strainer 19.
By using above-mentioned technical proposal, filter frame 16 is connected on the inner wall of valve deck 2, and 2 inner wall of valve deck is equipped with interior spiral shell
Line, when being connected with external pipe fitting, external pipe fitting can produce extruding to filter frame 16, i.e., fixation, the first filter are played to filter frame 16
Net 17, the second strainer 18 and the 3rd strainer 19 play sizing fixation to filtering sponge and activated carbon adsorption bag 21 successively, the
The filter opening aperture of one strainer 17, the second strainer 18 and the 3rd strainer 19 is sequentially reduced, and improves filter effect, and by filtering sponge
Play the role of further adsorption filtration to water body with activated carbon adsorption bag 21, improve filter effect.
The utility model is further arranged to：The valve rod 5 is equipped with annular groove, is arranged with what is contradicted with valve body 1 in annular groove
Sealing ring 22, be also arranged with valve rod 5 contradicted with valve body 1 the second seal assembly 23, for compressing the second seal assembly 23
Pressure cap 24, the second seal assembly 23 include the first graphite bushing 25 and the second graphite bushing 26 overlapped up and down, the first graphite lining
The superposed surfaces 27 of 25 and second graphite bushing 26 of set are pyramidal structure, and the first graphite bushing 25 and the second graphite bushing 26 include
Some graphite annulus valves 28 and some rubber ring valves 29, graphite annulus valve 28 and rubber ring valve 29 are spaced successively connects and composes ring junction
Structure, is connected between graphite annulus valve 28 and rubber ring valve 29 by binding agent.
By using above-mentioned technical proposal, realized between valve rod 5 and valve body 1 by 22 and second seal assembly 23 of sealing ring
Dual sealing functions, improve sealing performance, since graphite annulus valve 28 and rubber ring valve 29 are intervally arranged successively, rubber ring valve 29 has
There is more preferable elastic performance, easy to adjust the radial load that graphite annulus valve 28 is subject to, so that the stress of graphite bushing is more balanced,
In the screwing operations of pressure cap 24 and valve body 1, pressure cap 24 produces the second seal assembly 23 lower pressure, and since the first graphite serves as a contrast
25 and second superposed surfaces 27 of graphite bushing 26 of set be pyramidal structure, then 25 stress radial contraction of the first graphite bushing, raising the
Leakproofness between one graphite bushing 25 and valve rod 5,26 stress of the second graphite bushing are radially expanded, and improve the second graphite bushing 26
With the leakproofness between valve body 1, sealed between the first graphite bushing 25 and the second graphite bushing 26 by inclined-plane, improve graphite lining
Leakproofness between set and valve deck 2, so as to improve the axially loaded between valve body 1, the second seal assembly 23 and body of rod three, i.e.,
The conflict leakproofness between three is improved, and 28 component accounting of graphite annulus valve is larger in graphite bushing, has more preferable wearability
Can, improve service life.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in the guarantor of the utility model
In the range of shield.
Claims (3)
1. a kind of butterfly handle ball valve, including valve body, the valve deck being placed on valve body water outlet, the valve that is placed between valve body and valve deck
Ball, is connected through a screw thread between valve body and valve deck, and valve ball both ends are equipped with the first seal assembly, and one end and valve are additionally provided with valve body
The valve rod of ball connection, the valve rod other end are equipped with butterfly handle, and cavity is formed between valve body and valve ball, and valve ball is included for water flowing
Deflector hole, it is characterized in that：First seal assembly include with valve ball contradict graphite-seal ring, be set in outside graphite-seal ring
The rubber seal ring of wall, the U-shaped structure of rubber seal ring is coated on the internal and external peripheral wall of graphite-seal ring and graphite-seal ring is remote
From connection cavity and the through hole of deflector hole in the one side of valve ball, is equipped with the top of valve ball, valve body is equipped with the row being placed in below valve ball
Dirty mouth, sewage draining exit are equipped with blocking cap, and blocking cap includes stretching into the stifled core in cavity, and stifled core end face, which is equipped with to be placed in below valve ball, determines
Position groove, locating slot is interior to be equipped with locking ball, the swivelling chute being adapted to locking ball is additionally provided with valve ball, valve deck inner wall was equipped with
Filter device.
2. a kind of butterfly handle ball valve according to claim 1, it is characterized in that：The filtration apparatus includes being placed in valve body
The filter frame of wall, the first strainer, the second strainer and the 3rd strainer for being placed in filter frame and being set gradually along water inlet direction, the first strainer
And second be equipped with cavernous body between strainer, activated carbon adsorption bag is equipped between the second strainer and the 3rd strainer.
3. a kind of butterfly handle ball valve according to claim 1, it is characterized in that：The valve rod is equipped with annular groove, in annular groove
The sealing ring contradicted with valve body is arranged with, is also arranged with valve rod with the second seal assembly of valve body conflict, for compressing second
The pressure cap of seal assembly, the second seal assembly include the first graphite bushing and the second graphite bushing overlapped up and down, the first graphite
The superposed surfaces of bushing and the second graphite bushing are pyramidal structure, and the first graphite bushing and the second graphite bushing include some graphite
Ring valve and some rubber ring valves, graphite annulus valve and rubber ring valve are spaced connect and compose loop configuration successively, graphite annulus valve and rubber
Connected between ring valve by binding agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231981.6U CN207349486U (en) | 2017-09-25 | 2017-09-25 | A kind of butterfly handle ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721231981.6U CN207349486U (en) | 2017-09-25 | 2017-09-25 | A kind of butterfly handle ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349486U true CN207349486U (en) | 2018-05-11 |
Family
ID=62410671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721231981.6U Active CN207349486U (en) | 2017-09-25 | 2017-09-25 | A kind of butterfly handle ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349486U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780227A (en) * | 2019-01-28 | 2019-05-21 | 王欣 | A kind of safety-valve with protection structure |
| CN109798378A (en) * | 2019-03-13 | 2019-05-24 | 施杨 | A kind of sluice with reset silica gel and pressure spring |
| CN112032342A (en) * | 2020-09-07 | 2020-12-04 | 彭小菊 | Ball valve |
-
2017
- 2017-09-25 CN CN201721231981.6U patent/CN207349486U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780227A (en) * | 2019-01-28 | 2019-05-21 | 王欣 | A kind of safety-valve with protection structure |
| CN111779882A (en) * | 2019-01-28 | 2020-10-16 | 王欣 | Safety valve with protection architecture |
| CN111779882B (en) * | 2019-01-28 | 2021-11-23 | 青岛开元阀门有限公司 | Safety valve with protection architecture |
| CN109798378A (en) * | 2019-03-13 | 2019-05-24 | 施杨 | A kind of sluice with reset silica gel and pressure spring |
| CN112032342A (en) * | 2020-09-07 | 2020-12-04 | 彭小菊 | Ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 317600 No. 8, happiness Road, bingang industrial city, Yuhuan, Taizhou, Zhejiang Patentee after: Taizhou Rudi valve Limited by Share Ltd Address before: 317607 No. 8, happiness Road, bingang industrial city, Yuhuan County, Taizhou, Zhejiang Patentee before: Valve Co., Ltd. Taizhou Rui di |