CN108458123A - A kind of high sealing is without abrasion gate valve - Google Patents
A kind of high sealing is without abrasion gate valve Download PDFInfo
- Publication number
- CN108458123A CN108458123A CN201810248670.3A CN201810248670A CN108458123A CN 108458123 A CN108458123 A CN 108458123A CN 201810248670 A CN201810248670 A CN 201810248670A CN 108458123 A CN108458123 A CN 108458123A
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- China
- Prior art keywords
- flashboard
- sealing plate
- runner
- opening
- actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0209—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of high sealings without abrasion gate valve, includes valve body and valve rod with fluid channel, fluid channel includes left runner, flashboard runner and right runner, further includes：It is installed on opening and the upper sealing panel for sealing opening, upper sealing panel is spliced by upper left sealing plate and upper right sealing plate, upper left sealing plate is articulated with the left side edge of opening, and upper right sealing plate is articulated with the right side edge of opening；It is installed on the upper left actuator of opening；It is installed on the upper right actuator of opening；It is installed on lower opening and the lower sealing plate for sealing under shed；It is installed on the lower actuator inside valve seat and for driving lower sealing plate closing under shed；The position-limited edge arranged along the opening periphery of under shed and be detached from from lower opening for limiting lower sealing plate.The present invention provides a kind of simple in structure, pumped (conveying) medium is effectively avoided to the abrasion of flashboard and valve body recess position, the high sealing to prolong the service life is without abrasion gate valve.
Description
Technical field
The present invention relates to a kind of gate valve, especially a kind of high sealing is without abrasion gate valve.
Background technology
Gate valve is the keying element using flashboard as spool, and the direction of motion and flow direction of flashboard are perpendicular, by along
The vertical direction of valve internal runner center line moves flashboard, is achieved in and is switched on and off media flow.Gate valve is on pipeline
It can only make standard-sized sheet and fully closed, generally cannot make adjustments and throttle use.Wherein, single-shutter gate valve is to open and close flashboard as single lock
Valve, existing single-shutter gate valve is simple in structure, is widely used.Traditional gate valve includes valve body and one end position for having fluid channel
In the valve rod in valve body, fluid channel includes left runner, flashboard runner and right runner, is equipped in flashboard runner and matches with valve rod
The flashboard of conjunction, is equipped at flashboard runner and the matched valve seat in flashboard bottom.
But in actual use, user has found gradually, the existing following two problems of gate valve generally existing：
(1) leakproofness of valve is inadequate, and flashboard only has the sealing effect of substance with valve body, is not applied for valve gas
The more demanding working environment of close property.
(2) when valve is in open state, pumped (conveying) medium, which can impose flashboard and valve body recess, impacts and generates abrasion,
When containing fine solid particle especially in working environment, this wear phenomenon is more serious, and seriously affect valve uses the longevity
Life.
(3) valve seat easy tos produce deposition, influences leakproofness when flashboard is closed.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of simple in structure, effectively avoid pumped (conveying) medium to lock
The abrasion of plate and valve body recess position, the high sealing to prolong the service life is without abrasion gate valve.
The technical solution adopted by the present invention to solve the technical problems is：A kind of high sealing is without abrasion gate valve, including has
The valve body of fluid channel and one end are located at the valve rod in valve body, and fluid channel includes left runner, flashboard runner and right runner, flashboard
It is equipped in runner and is equipped with the flashboard containing cavities for flashboard storage, flashboard with the matched flashboard of valve rod, flashboard runner top
Runner lower part is equipped with to be connected between fluid channel by upper opening with the matched valve seat in flashboard bottom, the flashboard containing cavities
It is logical, it is connected by under shed between valve seat and fluid channel, direction corresponding with left runner is left side and the right side in flashboard runner
The corresponding direction of runner is right side, further includes having：
It is installed on opening and the upper sealing panel for sealing opening, the upper sealing panel is by upper left sealing plate and the right side
Upper sealing panel is spliced, and upper left sealing plate is articulated with the left side edge of opening, and upper right sealing plate is articulated with the right side of opening
Lateral edges；
The upper left actuator for being installed on opening and being open for driving upper left sealing plate to close；
The upper right actuator for being installed on opening and being open for driving upper right sealing plate to close；
It is installed on lower opening and the lower sealing plate for sealing under shed；
It is installed on inside valve seat and is used to that lower sealing plate to be driven to move towards under shed and closes the lower driving of under shed
Part；
It is installed on the opening of under shed and for limiting the position-limited edge that lower sealing plate is detached from from lower opening.
The beneficial effects of the invention are as follows：Flashboard runner top is equipped with upper sealing panel, lower part is equipped with lower sealing plate, at gate valve
When closed state, sealing plate, lower sealing plate pass through lower driving to flashboard under open-top upper sealing panel and top pressure under the action of valve rod
Part drives lower sealing plate to abut against flashboard lower part, and forming face sealing has pretightning force, to realize lock between actuator and flashboard
The high leakproofness of plate lower part.When gate valve is opened, flashboard retraction flashboard containing cavities then descend sealing plate to be closed under the effect of lower actuator
Under shed is closed, to ensure flashboard runner in the smooth smooth-going of lower opening；Likewise, upper left sealing plate and upper right sealing plate are driving
Lower be closed of moving part effect is open, to ensure flashboard runner in the smooth smooth-going of upper opening.When flashboard is closed, flashboard is open-top
Upper left sealing plate and upper right sealing plate, and upper left sealing plate and upper right sealing plate are made by upper left actuator and upper right actuator respectively
With and with the trend that is open on being closed, and due to the blocking of flashboard, then upper left sealing plate by upper left actuator act on and and lock
Plate is bonded to each other, and similarly upper right sealing plate is acted on by upper right actuator and is bonded to each other with flashboard, so that upper left sealing plate
It is bonded to each other and forming face sealing with upper right sealing plate and gate panel surface, and then ensures the high leakproofness on flashboard top.Pass through this
No matter a series of setting, gate valve can guarantee its high leakproofness, while also avoiding valve seat in unlatching or closed state
With the abrasion of flashboard, service life is extended.
Wherein, upper left sealing plate and upper right sealing plate are made of magnetic metal material；The gate panel surface or internal peace
Equipped with the permanent magnet attracting with upper left sealing plate and upper right sealing plate magnetism.Alternatively, upper left sealing plate and upper right sealing plate use
Magnetic metal material is made；The flashboard is made of permanent magnet.What magnetic metal material referred to being attracted by permanent magnet magnetism
The metal material that metal material, i.e. iron, cobalt, nickel etc. are attracted by magnet.Pass through the setting, it is therefore an objective to make upper left sealing plate and flashboard
Between generate magnetic attraction, magnetic attraction is generated between upper right sealing plate and flashboard, to make up upper left actuator and upper right actuator
Driving force it is insufficient, ensure the suction for being produced from band between upper left sealing plate and upper right sealing plate and flashboard, improve the close of fitting
Property, that is, ensure flashboard upper opening high leakproofness.
Lower actuator is compressed spring, and the lower sealing plate of compressed spring driving is moved towards under shed, instantly sealing plate by
To lower opening position-limited edge limitation when, compressed spring continues to apply lower sealing plate outside thrust, to ensure lower sealing
Plate is closely against at position-limited edge, to complete seal under shed.Wherein descend the cross sectional shape of sealing plate and the section shape of valve seat
Shape is consistent, and size is more than the position-limited edge size of lower opening.Compressed spring is of low cost, and effect is good, easy to maintain.
Lower actuator is cylinder or hydraulic cylinder, and the axis of lower actuator is consistent with valve rod axis, and lower actuator is wherein
One end is fixedly connected with seat bottom portion, and the other end is fixedly connected with lower sealing plate.The installation form of cylinder and hydraulic cylinder is to fix,
The operation is stable is durable.
Wherein, lower actuator is torsional spring or reset helical spring.Torsional spring or reset helical spring spring are as drive herein
The resetting spring being open on dynamic upper left sealing plate and upper right sealing plate closing.If selecting torsional spring, torsional spring is installed at articulated shaft；
If selecting helical spring, helical spring is in tensional state, for tensing upper left actuator and upper right towards flashboard containing cavities
Actuator.In addition to this, upper left actuator and upper right actuator are also an option that shrapnel, as long as upper left sealing plate and the right side can be driven
It is open in upper sealing panel closing.
Upper left actuator and upper right actuator are cylinder or hydraulic cylinder, and the axial both ends of upper left actuator are close with upper left respectively
Sealing plate and flashboard containing cavities hingedly coordinate, and the axial both ends of upper right actuator are hinged with upper right sealing plate and flashboard containing cavities respectively
Cooperation.
In order to ensure that fluid flows smooth in fluid channel, reduces impact to the greatest extent, then the section of left runner in the axial direction
Structure is smooth divergent structure, and one end far from flashboard runner changes towards flashboard runner direction flaring at left runner；It is right
The cross section structure of runner in the axial direction is smooth tapered configuration, and one end far from flashboard runner is towards flashboard runner institute at right runner
Change in direction flaring..
The side of flashboard is covered with gasket, and the size on flashboard top is wider than the size of flashboard lower part, and upper opening is opened
Mouth size is more than the size of flashboard lower part and the size less than flashboard top.Pass through gasket and upper opening at left and right sides of flashboard
With the opening periphery interference seal of under shed, the size on flashboard top is wider than the size of flashboard lower part, when flashboard falls, then lock
The size on plate top is matched with the openings of sizes of upper opening, realizes that flashboard top is mutually squeezed with upper opening periphery, and formed
Interference, face sealing cooperation, improve self seal performance；Flashboard lower part and under shed are similarly.
Lower sealing plate is made of magnetic metal material, and there are magnetic force suctions between sealing plate and magnetic flashboard at present for this
Draw.When flashboard is converted from closed state to opening state, lower sealing plate in addition under the effect of lower actuator close to flashboard bottom
Outside, it can be also tightly attracted with flashboard bottom under magneticaction, then improve leakproofness to each other, made up because of lower actuator
When the problems such as existing defects, the caused hypodynamic situation of driving.
Surface where upper sealing panel is planar structure at flashboard runner, at flashboard runner under surface where sealing plate be plane
Structure；Upper sealing panel and lower sealing plate are slab construction.Flashboard runner upper and lower surface is planar structure, then it is close to be conducive to upper left
Sealing plate and upper right sealing plate form continuous, complete flashboard runner inner wall when opening, closing, especially when opening, planar junction
The upper left sealing plate and upper right sealing plate of structure can be formed with gate panel surface closely to recline, and improves whole sealing performance, and
Lower the interference to fluid in flashboard runner.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention, and flashboard is in the open state.
Fig. 2 is the structural schematic diagram of the embodiment of the present invention, and flashboard is in closed state.
Fig. 3 is the structural schematic diagram of flashboard of the embodiment of the present invention.
Fig. 4 is the front view of flashboard of the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of upper right sealing plate of the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of sealing plate and lower actuator under the embodiment of the present invention.
Fig. 7 is the cutaway top view of fluid channel of the embodiment of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment one：As shown in figs. 1 to 6, the present embodiment includes that there is the valve body 11 of fluid channel 2 and one end to be located at valve body
Valve rod 12 in 11, fluid channel 2 include left runner 21, flashboard runner 22 and right runner 23, be equipped in flashboard runner 22 with
12 matched flashboard 3 of valve rod, 22 top of flashboard runner are equipped with the flashboard containing cavities 12 for 3 storage of flashboard, flashboard runner 22
Lower part is equipped with and the matched valve seat in 3 bottom of flashboard 14.It is connected by upper opening 24 between flashboard containing cavities 13 and fluid channel 2
It is logical, it is connected by under shed 25 between valve seat 14 and fluid channel 2, upper sealing panel 41 is installed at upper opening 24, it is close on this
Sealing plate 41 is for the sealing at upper opening 24；Lower sealing plate 42 is installed under shed 25, which is used to down open
Sealing at mouth 25.Direction corresponding with left runner 21 is left side in flashboard runner 22, in flashboard runner 22 and right runner 23
Corresponding direction is right side.Upper sealing panel 41 is close including the upper left sealing plate 411 being hingedly connected at opening 24 and upper right
Sealing plate 412, upper left sealing plate 411 and upper right sealing plate 412 be open in sealing 24 when be spliced into complete upper sealing panel 41, it is left
Upper sealing panel 411 is articulated with the left side edge of opening 24, and upper right sealing plate 412 is articulated with the right side edge of opening 24, such as
It is the same with double door, it is open in opposite open or close.It is equipped at upper opening 24 for driving upper left sealing plate 411 to close
The upper left actuator 511 of 24 left-halfs of upper opening is also equipped at upper opening 24 and for driving 412 envelope of upper right sealing plate
The upper right actuator 512 of 24 right half parts of opening is closed, upper left actuator 511 and upper right actuator 512 are adopted in the present embodiment
Use torsional spring.Certainly, other than torsional spring, cylinder can also be used as an alternative, using the reset bullet being installed at articulated shaft
Spring come realize upper left sealing plate 411 and upper right sealing plate 412 reset be closed.The cross sectional shape of lower sealing plate 42 and valve seat 14
Cross sectional shape is consistent, and lower sealing plate 42 is installed in valve seat 14.Lower actuator 52 is installed in 14 bottom of valve seat, the lower driving
Part 42 uses compressed spring, and the compressed spring is for driving lower sealing plate 42 towards 25 movement outside of under shed.In under shed
25 opening is convexly equipped with the position-limited edge 141 being detached from under shed 25 for limiting lower sealing plate 42,141 direction of position-limited edge
25 inner bulge of under shed and with the edge of lower sealing plate 42 formed limit cooperation.Under Fig. 7 is participated in it is found that position-limited edge 141 is located at
The left and right side edge of opening 25, then be provided with the periphery of the opening portion and 3 lower part of flashboard of the under shed 25 of position-limited edge 141
Size is adapted, and ensures flashboard 3 in the closure state, and the lower part of flashboard 3 is completely into valve seat 14, and outside 3 lower part of flashboard
The opening portion of periphery and under shed 25 fits closely and is formed sealing cooperation, occurs gap when preventing closed state, causes
Medium enters valve seat 14.
Lower actuator 52, can be with cylinder or hydraulic cylinder, the axis and valve of lower actuator 52 other than using compressed spring
12 axis of bar is consistent, and the wherein one end of lower actuator 52 is fixedly connected with 14 bottom of valve seat, and the other end is solid with lower sealing plate 42
Fixed connection.
Upper left sealing plate 411 and upper right sealing plate 412 are made of iron material (or the magnetic metals such as cobalt, nickel)；Flashboard 3
It is made of permanent magnet.Magnetic attraction is generated between upper left sealing plate 411 and flashboard 3, is generated between upper right sealing plate 412 and flashboard 3
Magnetic attraction ensures 411 He of upper left sealing plate to which the driving force for making up upper left actuator 511 and upper right actuator 512 is insufficient
It is produced from the suction of band between upper right sealing plate 412 and flashboard 3, improves the compactness of fitting, that is, ensures flashboard 3 at upper opening 24
High leakproofness.
In the present embodiment, flashboard 3 can also use 3 surface of flashboard or inside other than it directly permanent magnet can be used to make
It is equipped with and upper left sealing plate 411 and the magnetic attracting permanent magnet of upper right sealing plate 412.So comparatively, having reduces lock
The cost of plate 3 simplifies the advantages that repairing.
As shown in fig. 7, in order to ensure that fluid flows smooth in fluid channel 2, reduces impact to the greatest extent, then 21 axis of left runner
Upward cross section structure is smooth grading structure, where one end towards flashboard runner 22 far from flashboard runner 22 on left runner 21
Direction flaring variation.Similarly, the cross section structure in 23 axial direction of right runner is smooth grading structure, far from flashboard stream on right runner 23
The one end in road 22 changes towards 22 direction flaring of flashboard runner.As shown, i.e. one end is osculum, the other end is big mouth,
The structure of intermediate smooth gradual change.
The top and side of flashboard 3 are covered with gasket (not shown), and 3 left and right sides of flashboard passes through gasket and upper opening
24 and under shed 25 opening periphery interference seal.
41 place surface of upper sealing panel is planar structure at flashboard runner 22, at flashboard runner 22 under 42 place table of sealing plate
Face is planar structure；Upper sealing panel 41 and lower sealing plate 42 are slab construction.22 upper and lower surface of flashboard runner is planar structure,
Continuous, complete 22 inner wall of flashboard runner is formed when being then conducive to upper left sealing plate 411 and the opening of upper right sealing plate 412, closing,
Especially when opening, the upper left sealing plate 411 and upper right sealing plate 412 of planar structure can be formed closely with 3 surface of flashboard
It reclines, improves whole sealing performance, and lower the interference to fluid in flashboard runner 22.If in addition, upper left actuator
511, when upper right actuator 512 is using resetting spring or cylinder, then undercut can be opened up as needed at upper opening 24 and (do not drawn
Go out), for the receiving of resetting spring or cylinder, while driving effect is played to upper left sealing plate 511 and upper right sealing plate 512 again,
The reasonable utilization of undercut being provided with conducive to space, can also reduce interference when working flashboard 3 to the maximum extent.
In addition, lower sealing plate 42 is made of ferrous metal, then this there are magnetic between sealing plate 42 and magnetic flashboard 3 at present
Gravitational attraction.When flashboard 3 is converted from closed state to opening state, lower sealing plate 42 in addition to lower actuator 52 effect under close to
Outside 3 bottom of flashboard, can be also tightly attracted with 3 bottom of flashboard under magneticaction, then improve leakproofness to each other, make up because
For the problems such as lower 52 existing defects of actuator when, the hypodynamic situation of caused driving.
Because using being slidably matched between upper left sealing plate 411 and upper right sealing plate 412 and flashboard 3, in order to reduce frictional force,
Graphite linings or petrolatum layer can be coated between the surface being in contact, and can not only play lubricating action, and can improve close to each other
Feng Xing.
Embodiment two：Other are compared with embodiment one, and difference lies in 3 structures of flashboard.The size on 3 top of flashboard is wider than flashboard
The size of 3 lower parts forms wedge structure.The size on 3 top of flashboard is wider than the size of 3 lower part of flashboard, when flashboard 3 falls, then
The size on 3 top of flashboard is matched with the openings of sizes of upper opening 24, realizes that 3 top of flashboard is mutually squeezed with 24 peripheries of upper opening
Pressure, and interference, face sealing cooperation are formed, improve self seal performance；3 lower part of flashboard and under shed 25 are similarly.
In the present embodiment, since flashboard 3 is wedge structure, pass through upper left sealing plate 411 and upper right sealing plate
412 3 surfaces of fitting flashboard can significantly reduce medium and be entered in flashboard containing cavities 13 by upper opening 24, to preferably
Flashboard containing cavities 13 are protected, media impingement is reduced, reduce the case where corroding.
Embodiment three：Other are compared with embodiment two, and difference lies in the push block 33 that 3 bottom of flashboard is equipped with wedge shape, the tops
The effect of pushing block 33 is that the tip on head conveniently enters under shed 25, to not interfere between 3 lower part of flashboard and valve seat 14
Sealing cooperation.If flashboard 3, which is internal or surface, is equipped with permanent magnet, permanent magnet can be separately configured in push block 33 herein,
To improve the magnetic force of 3 bottom of flashboard.
Claims (10)
- Include the valve rod that valve body and one end with fluid channel are located in valve body, fluid 1. a kind of high sealing is without abrasion gate valve Channel includes left runner, flashboard runner and right runner, be equipped in flashboard runner with the matched flashboard of valve rod, on flashboard runner Portion is equipped with the flashboard containing cavities for flashboard storage, and flashboard runner lower part is equipped with and the matched valve seat in flashboard bottom, feature It is, by upper opening in communication between the flashboard containing cavities and fluid channel, to be connected by under shed between valve seat and fluid channel Logical, direction corresponding with left runner is left side in flashboard runner, direction corresponding with right runner is right side, further includes having：It is installed on opening and the upper sealing panel for sealing opening, the upper sealing panel is close by upper left sealing plate and upper right Sealing plate is spliced, and upper left sealing plate is articulated with the left side edge of opening, and upper right sealing plate is articulated with the right edge of opening Edge；The upper left actuator for being installed on opening and being open for driving upper left sealing plate to close；The upper right actuator for being installed on opening and being open for driving upper right sealing plate to close；It is installed on lower opening and the lower sealing plate for sealing under shed；It is installed on inside valve seat and is used to that lower sealing plate to be driven to move towards under shed and closes the lower actuator of under shed；It is installed on the opening of under shed and for limiting the position-limited edge that lower sealing plate is detached from from lower opening.
- 2. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The upper left sealing plate and upper right sealing plate It is made of magnetic metal material；The gate panel surface or inside are equipped with attracting with upper left sealing plate and upper right sealing plate magnetism Permanent magnet.
- 3. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The upper left sealing plate and upper right sealing plate It is made of magnetic metal material；The flashboard is made of permanent magnet.
- 4. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The lower actuator is compressed spring.
- 5. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The lower actuator is cylinder or hydraulic pressure The axis of cylinder, lower actuator is consistent with valve rod axis, and lower actuator wherein one end is fixedly connected with seat bottom portion, the other end It is fixedly connected with lower sealing plate.
- 6. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The upper left actuator and upper right actuator For torsional spring or reset helical spring.
- 7. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The upper left actuator and upper right actuator Axial both ends for cylinder or hydraulic cylinder, upper left actuator hingedly coordinate with upper left sealing plate and flashboard containing cavities respectively, upper right The axial both ends of actuator hingedly coordinate with upper right sealing plate and flashboard containing cavities respectively.
- 8. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The section knot of the left runner in the axial direction Structure is smooth divergent structure, and one end far from flashboard runner changes towards flashboard runner direction flaring at left runner；Right stream The cross section structure of road in the axial direction is smooth tapered configuration, at right runner where one end far from flashboard runner towards flashboard runner Direction flaring variation.
- 9. high sealing according to claim 1 without abrasion gate valve, it is characterized in that：The side of the flashboard is covered with sealing Pad, and the size on flashboard top is wider than the size of flashboard lower part, the opening size of upper opening are more than the size of flashboard lower part and small Size in flashboard top.
- 10. high sealing according to claim 2 or 3 without abrasion gate valve, it is characterized in that：The lower sealing plate is using magnetic gold Belong to material to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248670.3A CN108458123A (en) | 2018-03-24 | 2018-03-24 | A kind of high sealing is without abrasion gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810248670.3A CN108458123A (en) | 2018-03-24 | 2018-03-24 | A kind of high sealing is without abrasion gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108458123A true CN108458123A (en) | 2018-08-28 |
Family
ID=63237406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810248670.3A Withdrawn CN108458123A (en) | 2018-03-24 | 2018-03-24 | A kind of high sealing is without abrasion gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108458123A (en) |
-
2018
- 2018-03-24 CN CN201810248670.3A patent/CN108458123A/en not_active Withdrawn
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Application publication date: 20180828 |
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| WW01 | Invention patent application withdrawn after publication |