CN207673886U - A kind of soft sealing type parallel double-flashboard gate valve - Google Patents
A kind of soft sealing type parallel double-flashboard gate valve Download PDFInfo
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- CN207673886U CN207673886U CN201721802745.5U CN201721802745U CN207673886U CN 207673886 U CN207673886 U CN 207673886U CN 201721802745 U CN201721802745 U CN 201721802745U CN 207673886 U CN207673886 U CN 207673886U
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Abstract
A kind of soft sealing type parallel double-flashboard gate valve.It is characterized in that：Two valve plates, which float, to be arranged；Valve plate wherein one side is equipped with sealing ring, and another side is equipped with wedge block and several transverse bars, and wedge block is located at valve plate center；Axe column upper end connects valve rod, and lower end passes through transverse bar, and is formed with wedge-shaped jacking block, and limited block is additionally provided on axe column；Limiting plate there are two being all provided on the inner wall of lumen both sides, two limiting plates keep a determining deviations, and lower end has been correspondingly formed inclined-plane guide frame, and limiting plate is corresponded on valve plate and is equipped with guide plate.It the advantage is that and use soft sealing structure, when valve is closed, coordinated by the wedge-shaped jacking block of axe column and the wedge block of valve plate, two valve plates are pushed to the sealing surface of valve body, further ensure sealing effect；When valve opening, valve plate, can be mobile to centre first under the guiding role of limiting plate during promotion, far from valve body sealing surface, sealing ring is avoided to contact friction with valve body sealing surface, reduces abrasion, improves service life.
Description
Technical field
The utility model is related to a kind of gate valve, more particularly to it is a kind of can keying with pressure soft sealing type parallel double-flashboard lock
Valve.
Background technology
Gate valve is a kind of valve moved in a straight line, by valve plate far from or be located at pipeline location, realization medium is cut
It is disconnected.In numerous valves, the application of gate valve is most commonly used one kind.
Run-in index double valve plates generally generate sealing force by pushing up wedge, relatively move between sealing surface small, are not easy to abrade, be chiefly used in
Low pressure, medium-small diameter.
The sealing of usual valve body and valve plate uses hard sealing structure, and wear-resisting and corrosion is improved by carrying out processing to sealing surface
Performance, but hard sealing structure, all do not accomplish zero leakage generally, it is difficult to accomplish the reliable cut-out to medium.It can certainly adopt
With soft sealing structure, soft sealing structure is to improve sealing performance by the kiss-coating on valve plate, but valve body during the motion
There are relative frictions between sealing surface of valve plate causes valve to damage to accelerated wear test speed.
Utility model content
In order to overcome the shortcomings of that background technology, the utility model provide a kind of soft sealing type parallel double-flashboard gate valve, solve
The gate valve of existing soft sealing structure easily realizes relative friction in opening-closing process with valve body, the problem of damage easy to wear.
Technical solution used by the utility model：A kind of soft sealing type parallel double-flashboard gate valve, including valve body, valve deck,
Valve rod, valve board assembly, driving executive module；Lumen and medium channel are formed in the valve body, and equipped with energy and valve board assembly
The sealing surface of cooperation is sealed, the valve board assembly is arranged in lumen, and the driving executive module passes through valve rod connection valve board group
Part can drive valve board assembly to move up and down；The valve board assembly includes two symmetrically arranged valve plates and is arranged in two valves
Axe column between plate；Limit hole is offered on the valve plate, the limit hole on two valve plates is connected by gag lever post, Relative Floating
Setting；The side of the valve plate wherein side is equipped with and can be equipped with the sealing ring of sealing surface corresponding matching, the side of the other side
The transverse bar of wedge block and several lateral arrangements, the wedge block are located at valve plate center；Axe column upper end connects valve rod,
Lower end passes through transverse bar, and is formed with the wedge-shaped jacking block with wedge block corresponding matching, is additionally provided on the axe column and matches with transverse bar limit
The limited block of conjunction；It is all provided on the inner wall of the lumen both sides there are two limiting plate, two limiting plates keep a determining deviation, and lower end pair
It should be formed with inclined-plane guide frame, limiting plate is corresponded on the valve plate and is equipped with guide plate.
The axe column top is equipped with internal thread hole, and the axe column coordinates with threaded stem, and integrally welded structure.
The limited block is square structure, and two vertical bars arranged vertically, the limited block are correspondingly provided on the valve plate
It is arranged between two vertical bars.
The trapezoidal structure in section of the sealing ring, and be fixedly mounted on valve plate by trim ring.
The guide plate and the one side of limiting plate cooperation are equipped with gib block, and the gib block is antifriction anticorrosion alloy
Steel.
The guide plate is equipped with several and matched directive wheel of middle cavity wall.
The lumen bottom of the valve body is equipped with strutbeam, and the valve plate bottom is equipped with and is correspondingly arranged on pillar, and the pillar
For hollow cylinder.
Top plate is equipped at the top of the valve plate.
The body base is additionally provided with sewage draining exit.
The valve body global design is made at girder structure, and using alloy-steel plate Q345.
The utility model has the beneficial effects that：Using above scheme, axe is passed through when valve is closed using soft sealing structure
The wedge-shaped jacking block of column and the wedge block of valve plate coordinate, and two valve plates are pushed to the sealing surface of valve body, further ensure sealing effect
Fruit；When valve opening, valve plate, can be mobile to centre first under the guiding role of limiting plate during promotion, far from valve body
Sealing surface avoids sealing ring from contacting friction with valve body sealing surface, reduces abrasion, improves service life.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment soft sealing type parallel double-flashboard gate valve.
Fig. 2 is the side sectional view of the utility model embodiment valve body.
Fig. 3 is the fragmentary sectional elevation view of the utility model embodiment valve body.
Fig. 4 is the vertical view of the utility model embodiment valve body.
Fig. 5 is the structural schematic diagram of the utility model embodiment valve plate.
Fig. 6 is the side sectional view of the utility model embodiment valve plate.
Fig. 7 is the structural schematic diagram of the utility model embodiment axe column.
1- valve bodies in figure, 11- lumens, 12- medium channels, 13- limiting plates, the inclined-planes 131- guide frame, 14- strutbeams, 15-
Sewage draining exit, 2- valve decks, 3- valve rods, 4- valve plates, 41- limit holes, 42- sealing rings, 43- wedge blocks, 44- transverse bars, 45- guide plates,
46- vertical bars, 47- gib blocks, 48- directive wheels, 49- top plates, 5- axe columns, 51- wedge shape jacking blocks, 52- limited blocks, 53- internal thread holes,
6- pillars.
Specific implementation mode
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown, a kind of soft sealing type parallel double-flashboard gate valve, including valve body 1, valve deck 2, valve rod 3, valve board assembly, drive
Dynamic executive module；Lumen 11 and medium channel 12 are formed in the valve body 1, and close equipped with that can coordinate with valve board assembly sealing
Cover, the valve board assembly are arranged in lumen 11, and the driving executive module connects valve board assembly, the drive by valve rod 3
Dynamic executive module is the structure of routine, and the rotary motion of motor is changed into linear motion, valve board assembly can be driven to move up and down.
The valve board assembly includes two symmetrically arranged valve plates 4 and the axe column 5 that is arranged between two valve plates 4；Institute
It states and offers limit hole 41 on valve plate 4, the limit hole 41 on two valve plates 4 is connected by gag lever post so that two valve plates 4 are opposite
It floats and is arranged；The side of the wherein side of the valve plate 4 is equipped with can be with the sealing ring 42 of sealing surface corresponding matching, the side of the other side
Face is equipped with wedge block 43 and the transverse bar 44 of several lateral arrangements, the wedge block 43 are located at 4 center of valve plate；The axe column
5 upper ends connect valve rod 3, and lower end passes through transverse bar 44, and is formed with the wedge-shaped jacking block 51 with 43 corresponding matching of wedge block, the axe column
The limited block 52 with the limit cooperation of transverse bar 44 is additionally provided on 5；Limiting plate 13 there are two being all provided on 11 both sides inner wall of the lumen, two
A limiting plate 13 keeps a determining deviation, and lower end has been correspondingly formed inclined-plane guide frame 131, and limiting plate is corresponded on the valve plate 4
13 are equipped with guide plate 45.
When valve opening, driving executive module band ovable valve stem 3 rises, and valve rod drives axe column 5 to move upwards, under axe column 5
The wedge-shaped jacking block 51 at end is then detached with the wedge block of valve plate 4 43, and limited block 52 is then contacted with transverse bar 44, and valve plate 4 is driven to transport upwards
It is dynamic；Meanwhile valve plate 4 is coordinated by the inclined-plane guide frame 131 of guide plate 45 and valve body limiting plate 13, force two valve plates 4 to
Centre is mobile, so that sealing surface of the sealing ring 42 far from valve body, when valve plate 4 continues uplink, the guide plate 45 of valve plate 4 is then complete
Complete 13 centre position of limiting plate for being in valve body, avoids sealing ring 42 from contacting friction with valve body sealing surface, reduces abrasion, and raising makes
Use the service life.
When the valve is closed, valve plate 4 then moves downward under the action of dead weight and valve rod 3, when operation is to bottommost, valve
Plate 4 stops downwards, and the wedge-shaped jacking block 51 of axe column 5 is contacted with the wedge block 43 of valve plate 4 at this time, and valve plate is made to be flared out, and is sealing
Circle 42 is firmly pressed on the sealing surface of valve body, further ensures sealing effect.
Wherein, the guide plate 45 is equipped with gib block 47 with the one side that limiting plate 13 coordinates, and the gib block 47 is
Antifriction anticorrosion alloy steel avoids guide plate from being worn with limiting plate, improves service life.
The structure as shown, limited block 52 is square is correspondingly provided with two vertical bars arranged vertically on the valve plate 4
46, the limited block 52 is arranged between two vertical bars 46, further carries out a limit to limited block 52 by vertical bars 46, protects
Axe column is stable and accurate moves up and down for card.
Further, 4 top of the valve plate is equipped with top plate 49, is again provided on the axe column 5 and limits cooperation with top plate 49
Limited block 52, two limited blocks coordinate with top plate 49, the limit of transverse bar 44 respectively, and valve plate is respectively supported on two limited blocks,
Stability is more preferable.
As shown, the trapezoidal structure in the section of the sealing ring 42, and be fixedly mounted on valve plate 4 by trim ring, really
Secrecy seal 42 firmly installs, and will not fall off.Wherein, fluorubber making can be used in sealing ring, has better heat-and corrosion-resistant
Performance is more stablized effective.
As shown, the guide plate 45 is equipped with several and matched directive wheel 48 of 11 inner wall of lumen, not only to valve
Plate plays a restriction effect, and valve plate is avoided to move left and right, while reducing friction, reduces the operation in valve plate lifting process
Resistance.
As shown, 11 bottom of lumen of the valve body 1 is equipped with strutbeam 14,4 bottom of the valve plate is equipped with and is correspondingly arranged on
Pillar 6 to the support limit of valve plate when realizing that valve is closed by strutbeam 14 and pillar 6, while ensureing sealing performance, works as valve plate
4 go downwards to 6 lower sealing surface of pillar and strutbeam 14 when contacting, and 4 stop motion of valve plate, further, the pillar 6 are open circles
Column significantly reduces weight.
As shown, 5 top of the axe column is equipped with internal thread hole 53, the axe column 5 can first pass through screw thread with valve rod 3 and match
Conjunction is fixed together, then by welding form integral structure, not only assemble it is more convenient, but also connect it is more firm
Gu ensureing its working performance.
As shown, 1 global design of the valve body is made at girder structure, and using alloy-steel plate Q345, into one
Step ensure that intensity and corrosion resistance.
As shown, 1 bottom of the valve body is additionally provided with sewage draining exit 15, convenient for the blowdown cleaning at lumen.
Embodiment is not construed as the limitation to utility model, but any spiritual improvements introduced based on the utility model,
It should all be within the protection scope of the utility model.
Claims (10)
1. a kind of soft sealing type parallel double-flashboard gate valve, including valve body（1）, valve deck（2）, valve rod（3）, valve board assembly, driving hold
Row component；The valve body（1）Inside it is formed with lumen（11）And medium channel（12）, and be equipped with and can seal cooperation with valve board assembly
Sealing surface, the valve board assembly are arranged in lumen（11）Interior, the driving executive module passes through valve rod（3）Valve board assembly is connected,
Valve board assembly can be driven to move up and down；
It is characterized in that：The valve board assembly includes two symmetrically arranged valve plates（4）And it is arranged in two valve plates（4）Between
Axe column（5）；
The valve plate（4）On offer limit hole（41）, two valve plates（4）On limit hole（41）It is connected by gag lever post, phase
It is arranged to floating；
The valve plate（4）Wherein the side of side be equipped with can be with the sealing ring of sealing surface corresponding matching（42）, the side of the other side
Face is equipped with wedge block（43）And the transverse bar of several lateral arrangements（44）, the wedge block（43）Positioned at valve plate（4）Center；
The axe column（5）Upper end connects valve rod（3）, lower end passes through transverse bar（44）, and be formed with and wedge block（43）Corresponding matching
Wedge-shaped jacking block（51）, the axe column（5）On be additionally provided with and transverse bar（44）Limit the limited block of cooperation（52）；
The lumen（11）Limiting plate there are two being all provided on the inner wall of both sides（13）, two limiting plates（13）A determining deviation is kept, and
Lower end has been correspondingly formed inclined-plane guide frame（131）, the valve plate（4）Upper corresponding limiting plate（13）Equipped with guide plate（45）.
2. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The axe column（5）Top is set
There is internal thread hole（53）, the axe column（5）With valve rod（3）Screw-thread fit, and integrally welded structure.
3. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The limited block（52）In side
Shape structure, the valve plate（4）On be correspondingly provided with two vertical bars arranged vertically（46）, the limited block（52）It is arranged and is erected at two
Muscle（46）Between.
4. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The sealing ring（42）Cut
The trapezoidal structure in face, and valve plate is fixedly mounted on by trim ring（4）On.
5. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The guide plate（45）With limit
Position plate（13）The one side of cooperation is equipped with gib block（47）, the gib block（47）For antifriction anticorrosion alloy steel.
6. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The guide plate（45）On set
There is several and lumen（11）The matched directive wheel of inner wall（48）.
7. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The valve body（1）Lumen
（11）Bottom is equipped with strutbeam（14）, the valve plate（4）Bottom is equipped with and is correspondingly arranged on pillar（6）, and the pillar（6）It is hollow
Cylinder.
8. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The valve plate（4）Top is set
There is top plate（49）.
9. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The valve body（1）Bottom is also
Equipped with sewage draining exit（15）.
10. soft sealing type parallel double-flashboard gate valve according to claim 1, it is characterised in that：The valve body（1）Entirety is set
Girder structure is counted into, and is made using alloy-steel plate Q345.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802745.5U CN207673886U (en) | 2017-12-21 | 2017-12-21 | A kind of soft sealing type parallel double-flashboard gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721802745.5U CN207673886U (en) | 2017-12-21 | 2017-12-21 | A kind of soft sealing type parallel double-flashboard gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673886U true CN207673886U (en) | 2018-07-31 |
Family
ID=62969766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721802745.5U Active CN207673886U (en) | 2017-12-21 | 2017-12-21 | A kind of soft sealing type parallel double-flashboard gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673886U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206901A (en) * | 2019-05-31 | 2019-09-06 | 赵世荣 | A kind of electric control valve |
| CN114017516A (en) * | 2021-11-16 | 2022-02-08 | 上海阀门厂股份有限公司 | Gate valve forced contraction mechanism |
| CN114165611A (en) * | 2021-12-14 | 2022-03-11 | 拓荆科技股份有限公司 | Gate valve, gate valve opening and closing method and semiconductor equipment |
-
2017
- 2017-12-21 CN CN201721802745.5U patent/CN207673886U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206901A (en) * | 2019-05-31 | 2019-09-06 | 赵世荣 | A kind of electric control valve |
| CN114017516A (en) * | 2021-11-16 | 2022-02-08 | 上海阀门厂股份有限公司 | Gate valve forced contraction mechanism |
| CN114165611A (en) * | 2021-12-14 | 2022-03-11 | 拓荆科技股份有限公司 | Gate valve, gate valve opening and closing method and semiconductor equipment |
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