CN109058501B - A kind of ball valve - Google Patents
A kind of ball valve Download PDFInfo
- Publication number
- CN109058501B CN109058501B CN201811023818.XA CN201811023818A CN109058501B CN 109058501 B CN109058501 B CN 109058501B CN 201811023818 A CN201811023818 A CN 201811023818A CN 109058501 B CN109058501 B CN 109058501B
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- Prior art keywords
- sealing ring
- release
- valve
- pipe
- pressure regulation
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of ball valve, including valve seat, spool, left adapter tube, right adapter tube and valve rod, it is equipped with left seal receptacle and right seal receptacle in valve seat, left seal receptacle is equipped with the left sealing ring of valve, and right seal receptacle is equipped with the right sealing ring of valve；Left pressure regulation sealing ring and right pressure regulation sealing ring are equipped in interior partition chamber, left inflatable chamber is equipped in left pressure regulation sealing ring, right inflatable chamber is equipped in right pressure regulation sealing ring, left inflatable chamber is connected to right inflatable chamber by interior tracheae, interior tracheae is in interior partition chamber, and left pressure regulation sealing ring is fixed with left seal receptacle, and spool pushes down left pressure regulation sealing ring, spool pushes down right pressure regulation sealing ring, and axially upper in valve internal channel: left seal receptacle, left pressure regulation sealing ring, valve rod, right pressure regulation sealing ring and right seal receptacle are sequentially arranged.The beneficial effects of the present invention are: structurally reasonable, it is convenient to open and close, and the not reciprocity caused negative effect of spool two sides air pressure can be effectively relieved, can effective guarantee sealing effect and service life.
Description
Technical field
The invention belongs to valve technology field more particularly to a kind of ball valves.
Background technique
Ball valve (ball valve), opening and closing element (sphere/spool) are driven by valve rod, and rotate around valve core axis
Valve can be used for the adjusting and control of fluid.This class valve should be generally horizontally mounted in the duct.It conveys and leads in gas at present
Domain (such as in gas pipeline system), ball valve is using very extensive.But, it is known that when ball valve is closed, spool two sides
Air pressure is not reciprocity (side is apparently higher than the other side, this is because there are caused by distribution pressure), this results in spool
It is easy mobile (structures such as valve rod can also move together), so that sealing performance is easy to cause to be deteriorated, and can seriously reduce sealing knot
The service life of structure.
Summary of the invention
Structurally reasonable the present invention provides a kind of ball valve, it is convenient to open and close, and the not reciprocity institute of spool two sides air pressure can be effectively relieved
Caused negative effect, can effective guarantee sealing effect and service life.
A kind of ball valve, including
Valve seat, spool, left adapter tube, right adapter tube and the valve rod for driving spool, the valve seat are equipped with rod aperture, and valve rod is worn
Cross rod aperture, rod aperture aperture is greater than stem diameter, and valve seat is equipped with valve internal channel, valve internal channel one end and left orifice, in valve
The channel other end and right orifice, valve seat is interior to be equipped with left seal receptacle and right seal receptacle, and left seal receptacle is equipped with and seal spool
The left sealing ring of the valve of cooperation, right seal receptacle are equipped with the right sealing ring of valve cooperated with seal spool, and the left sealing ring of valve is in a left side and connects
Between pipe and spool, the right sealing ring of valve is between right adapter tube and spool；
Separate chamber in being formed between the left seal receptacle and right seal receptacle, is equipped with left pressure regulation sealing ring and the right side in interior partition chamber
Pressure regulation sealing ring, left pressure regulation sealing ring is interior to be equipped with left inflatable chamber, and right inflatable chamber, left inflatable chamber and the right side are equipped in right pressure regulation sealing ring
Inflatable chamber is connected to by interior tracheae, and interior tracheae is in interior partition chamber, and left pressure regulation sealing ring is fixed with left seal receptacle, and spool is pushed down
Left pressure regulation sealing ring, spool push down right pressure regulation sealing ring, axially upper in valve internal channel: left seal receptacle, left pressure regulation sealing ring, valve
Bar, right pressure regulation sealing ring and right seal receptacle are sequentially arranged.
The interior tracheae is a rubber tube, and interior tracheae is in below spool.
At least three bar sealing rings being from top to bottom sequentially arranged, bar sealing ring and rod aperture hole wall are arranged on the valve rod
In sealing contact, each bar sealing ring is from top to bottom successively equally spaced.
The valve stem tip is equipped with bonnet, and bonnet is in outside valve seat, and bonnet and valve rod grafting, bonnet are equipped with several anti-skidding
Muscle.
The pore of the left adapter tube, the pore of right adapter tube and valve internal channel are coaxially arranged, and the pore of left adapter tube, right adapter tube
Pore and valve internal channel it is isometrical.
The left adapter tube is equipped with release structure, and release structure includes that the release first arranged vertically manages, is horizontally disposed
The second pipe of release, the release third pipe arranged vertically and the diffusion valve being arranged on release third pipe, left adapter tube bottom is equipped with bottom
Hole is diffused, the second tube top portion of release is equipped with top release hole, and the first pipe upper end of release is connected to bottom release hole, diffuses the first pipe lower end
It is connected to top release hole, second pipe one end of release is connected to release third pipe lower end；
The second pipe other end of the release, which is equipped with, takes out pipe, and taking out pipe one end is the closed end being in outside the second pipe of release, closing
End is equipped with outer handle, and taking out the pipe other end is the open end being in the second pipe of release, and open end is equipped with sieve plate, takes out and is arranged on pipe
There are the first sealing ring, the second sealing ring, third sealing ring and the 4th sealing ring being axially sequentially arranged along pumping pipe, the first sealing
Circle, the second sealing ring, third sealing ring and the 4th sealing ring are slidingly sealed cooperation, the first sealing ring with the second inside pipe wall of release
It is in the second pipe of release；
The pumping tube top portion is equipped with interior release hole, and interior release Kong Yuding release hole connection, pumping bottom of the tube, which is equipped with, is in first
Cleaning exhaust outlet between sealing ring and the second sealing ring, the second bottom of the tube of release, which is equipped with, is in third sealing ring and the 4th sealing
Cleaning air inlet between circle, interior release hole are between the second sealing ring and third sealing ring.
It is equipped with stop collar in second pipe of release, whippletree is equipped in stop collar, whippletree is equipped with consolidating across sieve plate
Determine slide bar, fixed slip bar and sieve plate are slidingly sealed cooperation, and fixed slip bar is equipped with the spacing head for limiting sieve plate, filter
Web plate is between spacing head and stop collar；When open end in contact stop collar, the first sealing ring is in the second pipe of release, top
Release hole is between the second sealing ring and third sealing ring；When sieve plate contacts spacing head, cleaning exhaust ports are being diffused
Second pipe is outer, and top release hole is between third sealing ring and the 4th sealing ring, and sieve plate is in spacing head and cleaning air inlet
Between.
The beneficial effects of the present invention are: structurally reasonable, it is convenient to open and close, and can be effectively relieved that the air pressure of spool two sides is not reciprocity to be led
The negative effect of cause, can effective guarantee sealing effect and service life；With secondary seal and prevent the energy of spool over-deflection
Power can form protection to the left sealing ring of valve, the right sealing ring of valve.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of embodiment；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 1；
Fig. 4 is 2 partial structural diagram of embodiment；
Fig. 5 is that embodiment 2 takes out pipe and is in partial structural diagram when not extracting state out；
Fig. 6 is the partial structural diagram when pumping pipe of embodiment 2 is in extraction state；
Fig. 7 is enlarged drawing at C in Fig. 5；
Fig. 8 is enlarged drawing at D in Fig. 5；
Fig. 9 is enlarged drawing at E in Fig. 6.
Appended drawing reference: valve seat 1, rod aperture 1a, spool 11, left adapter tube 12, right adapter tube 13, valve rod 14, bonnet 141, bar sealing
Enclose 15, left seal receptacle 16, the left sealing ring 161 of valve, left pressure regulation sealing ring 162, right seal receptacle 17, the right sealing ring 171 of valve, right pressure regulation
Sealing ring 172, interior tracheae 18, the first pipe 21 of release, the second pipe 22 of release, top release hole 22a, cleaning air inlet 22b, release the
Three pipes 23, diffusion valve 231 take out pipe 3, interior release hole 3a, cleaning exhaust outlet 3b, the first sealing ring 31, the second sealing ring 32, third
Sealing ring 33, the 4th sealing ring 34, outer handle 4, sieve plate 5, stop collar 6, whippletree 61, fixed slip bar 62, spacing head 63.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment 1: as shown in Figure 1 to Figure 3,
Embodiment 1: a kind of ball valve, including
Valve seat 1, spool 11, left adapter tube 12, right adapter tube 13 and the valve rod 14 for driving spool, the valve seat are equipped with bar
Hole 1a, valve rod pass through rod aperture, and rod aperture aperture is greater than stem diameter, and valve seat is equipped with valve internal channel, and valve internal channel one end connects with a left side
Mouthful connection, the valve internal channel other end and right orifice are equipped with left seal receptacle 16 and right seal receptacle 17 in valve seat, on left seal receptacle
Equipped with the left sealing ring 161 of valve cooperated with seal spool, right seal receptacle is equipped with the right sealing ring of valve cooperated with seal spool
171, the left sealing ring of valve is between left adapter tube and spool, and the right sealing ring of valve is between right adapter tube and spool；
Separate chamber in being formed between the left seal receptacle and right seal receptacle, is equipped with left pressure regulation sealing ring 162 in interior partition chamber
And right pressure regulation sealing ring 172, left pressure regulation sealing ring is interior to be equipped with left inflatable chamber, is equipped with right inflatable chamber, Zuo Chong in right pressure regulation sealing ring
Air cavity is connected to right inflatable chamber by interior tracheae 18, and interior tracheae is in interior partition chamber, and left pressure regulation sealing ring and left seal receptacle are solid
Fixed, spool pushes down left pressure regulation sealing ring, and spool pushes down right pressure regulation sealing ring, axially upper in valve internal channel: left seal receptacle, left pressure regulation
Sealing ring, valve rod, right pressure regulation sealing ring and right seal receptacle are sequentially arranged.
, the right sealing ring of valve, left pressure regulation sealing ring and right pressure regulation sealing ring be coaxially disposed.
Pass through rotation valve rod, actuatable valve core rotation, to realize the adjusting or opening and closing of valve.Spool two sides air pressures equity or
When person's difference very little, just it is enough to ensure sealing effect by the cooperation of the left sealing ring of valve, the right sealing ring of valve and spool.And work as spool one
When side air pressure is significantly greater than other side air pressure, spool can it is mobile towards low-pressure side (be exactly the spool often said of this field float it is existing
As).
It is high-pressure side on the left of setting spool for visual angle into Fig. 3 by Fig. 1, is low-pressure side on the right side of spool.Spool blocks high
After pressing side and low-pressure side, spool is easy, at this point, right pressure regulation sealing ring be pressurized aggravation mobile towards low-pressure side, right pressure regulation sealing ring
A part of gas is entered in left pressure regulation sealing ring by interior tracheae in (right inflatable chamber), thus between left pressure regulation sealing ring and spool
Contact become even closer, so as to ensure on high-tension side sealing effect, high side gas is avoided to reveal.Further, since right
Pressure regulation sealing ring be pressurized, can give one reaction force of spool, avoidable spool be moved through it is more, so as to be formed to the right sealing ring of valve
It protects (the right sealing ring of valve is avoided to be excessively stressed, deform).
The interior tracheae is a rubber tube, and interior tracheae is in below spool.The included certain elasticity of rubber, can avoid because moving
It is damaged caused by dynamic, compressing, and interior tracheae is in below spool, be can avoid interior tracheae and is contacted valve rod, and constructive interference, drop are reduced
A possibility that low structural failure.
At least three bar sealing rings 15 being from top to bottom sequentially arranged, bar sealing ring and rod aperture hole are arranged on the valve rod
Wall is in sealing contact, and each bar sealing ring is from top to bottom successively equally spaced.Multiple bar sealing rings facilitate guarantee, poppet stem and bar
Sealing effect at hole avoids the gas for being leaked to interior partition chamber from passing through rod aperture again and is leaked to the external world.
The valve stem tip is equipped with bonnet 141, and bonnet is in outside valve seat, and bonnet and valve rod grafting, bonnet are equipped with several
Anti-skidding muscle.By operating bonnet, can more easily driving stem be acted, so that valve core movement is driven, to realize valve
It adjusts or opens and closes.
The pore of the left adapter tube, the pore of right adapter tube and valve internal channel are coaxially arranged, and the pore of left adapter tube, right adapter tube
Pore and valve internal channel it is isometrical.The coaxially isometrical connection of each channel facilitates the smoothness for ensureing ventilation, can also ensure relatively
High transfer efficiency.
Embodiment 2: being based on embodiment 1, as shown in Fig. 4 to Fig. 9,
The left adapter tube be equipped with release structure, release structure include the first pipe of release 21 arranged vertically, it is horizontally disposed
The second pipe of release 22, the release third pipe 23 arranged vertically and the diffusion valve 231 being arranged on release third pipe, left adapter tube bottom
Portion is equipped with bottom and diffuses hole, and the second tube top portion of release is equipped with top release hole 22a, and the first pipe upper end of release is connected to bottom release hole, puts
It dissipates the first pipe lower end to be connected to top release hole, second pipe one end of release is connected to release third pipe lower end；
The second pipe other end of the release, which is equipped with, takes out pipe 3, and taking out pipe one end is the closed end being in outside the second pipe of release, closing
End is equipped with outer handle 4, and taking out the pipe other end is the open end being in the second pipe of release, and open end is equipped with sieve plate 5, takes out and covers on pipe
The first sealing ring 31, the second sealing ring 32, third sealing ring 33 and the 4th sealing ring 34 that pipe is axially sequentially arranged are taken out equipped with edge,
First sealing ring, the second sealing ring, third sealing ring and the 4th sealing ring are slidingly sealed cooperation with the second inside pipe wall of release, the
One sealing ring is in the second pipe of release；
The pumping tube top portion is equipped with interior release hole 3a, interior release Kong Yuding release hole connection, and pumping bottom of the tube is equipped with being in the
Cleaning exhaust outlet 3b between one sealing ring and the second sealing ring, the second bottom of the tube of release, which is equipped with, is in third sealing ring and the 4th
Cleaning air inlet 22b between sealing ring, interior release hole is between the second sealing ring and third sealing ring.
It is equipped with stop collar 6 in second pipe of release, whippletree 61 is equipped in stop collar, whippletree is equipped with across sieve plate
Fixed slip bar 62, fixed slip bar and sieve plate are slidingly sealed cooperation, and fixed slip bar is equipped with the limit for limiting sieve plate
First 63, sieve plate is between spacing head and stop collar；
When open end in contact stop collar, the first sealing ring is in the second pipe of release, and top release hole is in the second sealing
Between circle and third sealing ring；
When sieve plate contacts spacing head, for cleaning exhaust ports outside release second is managed, top release hole is in third sealing
Between circle and the 4th sealing ring, sieve plate is between spacing head and cleaning air inlet.
Desorption tube or other release structures are the common structures on the ball valve in gas conveying (such as natural gas transportation) system,
It can be used for part detection or external branch line.It is known that can inevitably contain one in gas in gas transmission process
A little solid impurities.If these solid impurities deposition is excessive, easily causing some structures in pipe-line system to be damaged, (impurity is a large amount of
Into movable rubbing surface, structure is caused to wear, such as into the movable rubbing surface between spool and sealing structure) or even shadow
Ring normal ventilation and sealing.In the present embodiment, due to devising special release structure, (common desorption tube is arranged on a left side
Above adapter tube or right adapter tube, the first pipe is diffused in embodiment and is arranged below left adapter tube, thus at the beginning due to solid impurity
It is all as gas flows, therefore solid impurity is easiest to be deposited in the second pipe of release that (the second pipe of release is in relatively low
Position, and other pipelines are in a high position relatively), by taking the visual angle Fig. 4, Fig. 5, Fig. 6 as an example, solid impurity can rest on the second pipe of release
In, and between interior diffusion mouth and sieve plate).Diffusing third pipe can be with external branch, and diffusion valve is for controlling release third
Pipe on-off.
Usually, it takes out pipe to be in state of not extracting out (as shown in Figure 4, Figure 5), the gas proper flow in main road (can flow through a left side
Adapter tube, the channel in spool, right adapter tube), also proper flow (can flow through left adapter tube, the first pipe of release, release to the gas in branch
Second pipe, release third pipe), since the second pipe of release is in opposite low level, diffuse be in the second pipe interior diffusion mouth with
Part between sieve plate is easy deposition solid impurity, and solid impurity can be obstructed by sieve plate, it is avoided to enter branch (branch
Generally lead to individual consumer end).
When needing internal ash disposal, if desired main road is stopped the supple of gas or steam, then will lead to economic cost sharp increase, (main road is stopped the supple of gas or steam, with main road
Relevant branch can all stop the supple of gas or steam).And in the present embodiment, it is only necessary to which corresponding branch is stopped the supple of gas or steam (close diffusion valve), then can be with
Outer handle is pulled, pumping pipe is driven to reach extraction state (as shown in Figure 6).At this point, clearing up exhaust outlet when sieve plate contacts spacing head
It is outer to be in the second pipe of release, top release hole is between third sealing ring and the 4th sealing ring, and sieve plate is in spacing head and clear
It manages between air inlet.Open circuit between the first pipe of main road and release under the state, but main road can not stop the supple of gas or steam.It is opposite with air pump at this time
Cleaning air inlet is supplied and (is blown into cleaning gas, such as air, inert gas), clears up gas from cleaning exhaust outlet discharge
The external world, should during solid impurity the external world can be discharged together with air-flow, to can realize that main road is not stopped the supple of gas or steam cleaning.It requires emphasis
, it takes out in pipe extraction process, two discouraged positions can be undergone, first is that when third sealing ring reaches interior diffusion mouth, main road at this time
Gas can be extraneous by interior diffusion mouth, cleaning air inlet discharge, second is that the 4th sealing ring reaches at cleaning air inlet, prop up at this time
Road is in communication with the outside by clearing up air inlet, stops over too long so pipe Shi Buying is taken out in extraction, it is continuous otherwise to will lead to gas
Waste.And when pumping pipe is in extraction state, cleaning exhaust outlet is in communication with the outside, and the residual gas of branch can be from cleaning exhaust outlet
Discharge.After the completion of internal ash disposal, pipe will be taken out and push back reset, diffusion valve, unblank branch can be reopened.
Claims (7)
1. a kind of ball valve, including
Valve seat, spool, left adapter tube, right adapter tube and the valve rod for driving spool, the valve seat are equipped with rod aperture, and valve rod passes through bar
Hole, rod aperture aperture are greater than stem diameter, and valve seat is equipped with valve internal channel, valve internal channel one end and left orifice, valve internal channel
The other end and right orifice, valve seat is interior to be equipped with left seal receptacle and right seal receptacle, and left seal receptacle is equipped with and seal spool cooperates
The left sealing ring of valve, right seal receptacle is equipped with the right sealing ring of valve that cooperate with seal spool, the left sealing ring of valve be in left adapter tube and
Between spool, the right sealing ring of valve is between right adapter tube and spool；
It is characterized in that
Separate chamber in being formed between the left seal receptacle and right seal receptacle, is equipped with left pressure regulation sealing ring and right pressure regulation in interior partition chamber
Sealing ring, left pressure regulation sealing ring is interior to be equipped with left inflatable chamber, is equipped with right inflatable chamber, left inflatable chamber and right inflation in right pressure regulation sealing ring
Chamber is connected to by interior tracheae, and interior tracheae is in interior partition chamber, and left pressure regulation sealing ring is fixed with left seal receptacle, and spool pushes down left tune
Pressure seal ring, spool push down right pressure regulation sealing ring, axially upper in valve internal channel: left seal receptacle, left pressure regulation sealing ring, valve rod, the right side
Pressure regulation sealing ring and right seal receptacle are sequentially arranged.
2. a kind of ball valve according to claim 1, characterized in that the interior tracheae is a rubber tube, and interior tracheae is in valve
Below core.
3. a kind of ball valve according to claim 1, characterized in that be arranged on the valve rod at least three from top to bottom according to
The bar sealing ring of secondary arrangement, bar sealing ring and rod aperture hole wall are in sealing contact, and each bar sealing ring is from top to bottom successively equally spaced.
4. a kind of ball valve according to claim 1 or 2 or 3, characterized in that the valve stem tip is equipped with bonnet, at bonnet
Outside valve seat, bonnet and valve rod grafting, bonnet are equipped with several anti-skidding muscle.
5. a kind of ball valve according to claim 1 or 2 or 3, characterized in that the pipe of the pore of the left adapter tube, right adapter tube
Hole and valve internal channel are coaxially arranged, and the pore of left adapter tube, the pore of right adapter tube and valve internal channel are isometrical.
6. a kind of ball valve according to claim 1 or 2 or 3, characterized in that the left adapter tube is equipped with release structure, puts
Dissipating bind structure includes the pipe of release first arranged vertically, the second pipe of horizontally disposed release, the release third pipe arranged vertically and sets
The diffusion valve on release third pipe is set, left adapter tube bottom is equipped with bottom and diffuses hole, and the second tube top portion of release is equipped with top release hole, puts
It dissipates the first pipe upper end to be connected to bottom release hole, the first pipe lower end of release is connected to top release hole, second pipe one end of release and release
The connection of third pipe lower end；
The second pipe other end of the release, which is equipped with, takes out pipe, and taking out pipe one end is the closed end being in outside the second pipe of release, and closed end is set
There is outer handle, taking out the pipe other end is the open end being in the second pipe of release, and open end is equipped with sieve plate, takes out and is arranged with edge on pipe
Take out pipe the first sealing ring, the second sealing ring, third sealing ring and the 4th sealing ring that are axially sequentially arranged, the first sealing ring, the
Two sealing rings, third sealing ring and the 4th sealing ring are slidingly sealed cooperation with the second inside pipe wall of release, and the first sealing ring is in
It diffuses in the second pipe；
The pumping tube top portion is equipped with interior release hole, and interior release Kong Yuding release hole connection, pumping bottom of the tube, which is equipped with, is in the first sealing
Enclose the cleaning exhaust outlet between the second sealing ring, the second bottom of the tube of release be equipped be in third sealing ring and the 4th sealing ring it
Between cleaning air inlet, interior release hole is between the second sealing ring and third sealing ring.
7. a kind of ball valve according to claim 6, characterized in that be equipped with stop collar, stop collar in second pipe of release
Interior to be equipped with whippletree, whippletree is equipped with the fixed slip bar across sieve plate, and fixed slip bar and sieve plate are slidingly sealed cooperation, fixed to slide
Bar is equipped with the spacing head for limiting sieve plate, and sieve plate is between spacing head and stop collar；
When open end in contact stop collar, the first sealing ring be in release the second pipe in, top release hole be in the second sealing ring with
Between third sealing ring；
When sieve plate contacts spacing head, cleaning exhaust ports managed in release second it is outer, top release hole be in third sealing ring with
Between 4th sealing ring, sieve plate is between spacing head and cleaning air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023818.XA CN109058501B (en) | 2018-09-04 | 2018-09-04 | A kind of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811023818.XA CN109058501B (en) | 2018-09-04 | 2018-09-04 | A kind of ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109058501A CN109058501A (en) | 2018-12-21 |
| CN109058501B true CN109058501B (en) | 2019-10-25 |
Family
ID=64759359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811023818.XA Active CN109058501B (en) | 2018-09-04 | 2018-09-04 | A kind of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109058501B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10213238A (en) * | 1997-01-29 | 1998-08-11 | Hisaka Works Ltd | Valve |
| CN2457412Y (en) * | 2000-12-28 | 2001-10-31 | 郑傛宰 | Ball valve with diffuse |
| WO2006091117A1 (en) * | 2005-02-28 | 2006-08-31 | Zaklad Urzadzen Gazowniczych 'gazomet' | Ball valve with arrangement for separating sealing surfaces and corresponding method |
| CN102878316A (en) * | 2012-10-23 | 2013-01-16 | 浙江超达阀门股份有限公司 | Ball valve reliable in sealing and low in opening-closing torque |
| CN206874875U (en) * | 2017-07-06 | 2018-01-12 | 四川赛尔阀门制造有限公司 | A kind of high leakproofness fixing ball valve |
-
2018
- 2018-09-04 CN CN201811023818.XA patent/CN109058501B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10213238A (en) * | 1997-01-29 | 1998-08-11 | Hisaka Works Ltd | Valve |
| CN2457412Y (en) * | 2000-12-28 | 2001-10-31 | 郑傛宰 | Ball valve with diffuse |
| WO2006091117A1 (en) * | 2005-02-28 | 2006-08-31 | Zaklad Urzadzen Gazowniczych 'gazomet' | Ball valve with arrangement for separating sealing surfaces and corresponding method |
| CN102878316A (en) * | 2012-10-23 | 2013-01-16 | 浙江超达阀门股份有限公司 | Ball valve reliable in sealing and low in opening-closing torque |
| CN206874875U (en) * | 2017-07-06 | 2018-01-12 | 四川赛尔阀门制造有限公司 | A kind of high leakproofness fixing ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109058501A (en) | 2018-12-21 |
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