CN110195784A - A kind of full-automatic air-tightness gate valve - Google Patents
A kind of full-automatic air-tightness gate valve Download PDFInfo
- Publication number
- CN110195784A CN110195784A CN201910571316.9A CN201910571316A CN110195784A CN 110195784 A CN110195784 A CN 110195784A CN 201910571316 A CN201910571316 A CN 201910571316A CN 110195784 A CN110195784 A CN 110195784A
- Authority
- CN
- China
- Prior art keywords
- valve
- driving mechanism
- extrusion
- valve plate
- valve body
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 238000001125 extrusion Methods 0.000 claims abstract description 56
- 238000011084 recovery Methods 0.000 claims abstract description 12
- 230000008450 motivation Effects 0.000 claims description 5
- 238000005299 abrasion Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 10
- 210000000664 rectum Anatomy 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
- 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
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
-
- 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
- F16K3/30—Details
- F16K3/316—Guiding of the slide
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The present invention relates to valve technology fields, disclose a kind of full-automatic air-tightness gate valve, including valve body, through-hole is offered on valve body, valve plate is provided in valve body, valve body upper end is provided with driving mechanism one, the output end of driving mechanism one extends into valve body and is horizontally arranged with sliding rail, valve plate upper end is slidably connected with sliding rail, valve plate is set as two pieces, elastic recovery part is provided between two valve plates, valve body upper end is additionally provided with driving mechanism two, one end of driving mechanism two extends into valve body and extrusion, the cross-sectional area of extrusion is gradually reduced from top to bottom, and extrusion lower part is between two valve plates, the two sides of extrusion close to valve plate are provided with multiple idler wheels that can be used for being slidably connected with valve plate, the idler wheel is distributed in up-side down triangle.The present invention can be achieved to improve the air-tightness of gate valve and reduce the purpose of abrasion in use.
Description
Technical field
The present invention relates to valve technology field, in particular to a kind of full-automatic air-tightness gate valves.
Background technique
Gate valve is also known as manual knife gate valve, knife-shape gate valve it be a kind of valve that flashboard and valve seat are in close contact sealing always
Door, principle is the round mouth that a latus rectum size is provided on flashboard, is opened and closed by flashboard so that round mouth is finished with latus rectum on flashboard
Total detachment and the movement to match.The advantages of this valve, is valve body latus rectum un-grooved, medium will not card resistance blocking, and have
Full-bore flow characteristics, sealing structure can divide soft seal, hard sealing structure.
Existing gate valve drives valve plate to move down and block latus rectum by driving mechanism when closed, due to valve plate side with
Body cavity uses sliding friction, forms sealing by squeeze sealing member in valve plate folding process in sealing, causes long-term
It is worn using rear seal and valve plate more serious, affects the air-tightness of gate valve.
Summary of the invention
Based on problem above, the present invention provides a kind of full-automatic air-tightness gate valves.The present invention can be achieved to improve plate
The air-tightness of valve and the purpose for reducing abrasion in use, by the way that extrusion is arranged in two lower end of driving mechanism, and will
Valve plate is set as two pieces, makes extrusion lower part between valve plate, solves serious wear after existing gate valve is used for a long time, leads
The problem of causing poor air-tightness.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of full-automatic air-tightness gate valve, including valve body offer through-hole on the valve body, are provided with valve in valve body
Plate, valve body upper end are provided with driving mechanism one, and the output end of the driving mechanism one extends into valve body and is horizontally arranged with cunning
Rail, the valve plate upper end are slidably connected with sliding rail, and the valve plate is set as two pieces, are provided with elastic recovery between two valve plates
Part, the valve body upper end are additionally provided with driving mechanism two, and one end of the driving mechanism two extends into valve body and extrusion, institute
The cross-sectional area for stating extrusion is gradually reduced from top to bottom, and extrusion lower part is between two valve plates, the extrusion close to
The two sides of valve plate are provided with multiple idler wheels that can be used for being slidably connected with valve plate, and the idler wheel is distributed in up-side down triangle.
In the present invention, existing equipment can be used in driving mechanism one, again or screw rod cooperation electricity such as cylinder or hydraulic cylinder
Machine etc. drives valve plate to move up and down as long as being able to achieve, and driving mechanism two can refer to driving mechanism one using identical
Equipment, valve plate are displaced downwardly to when blocking through-hole and are in off state, and move up as open state when exposing through-hole, when needing to close
When, it first controls driving mechanism one and valve plate is driven to move down, then control driving mechanism two again and extrusion is driven to move down, since valve plate is set
It is set to two pieces and can be slid laterally along sliding rail, and extrusion lower part is between valve plate, and extrusion use is transversal from top to bottom
The mode that face is gradually reduced is arranged, so that driving mechanism two can drive extrusion to move down, since extrusion two sides are provided with
Idler wheel corresponding with valve plate, so that extrusion is during gradually moving down, the idler wheel face contact opposite with valve plate and squeezing valve
Plate slides into it to block through-hole, since idler wheel and valve plate use rolling friction, compared with traditional sliding friction, frictional force
Reduce, and valve plate is to be squeezed by idler wheel with sealing element, so that the abrasion of valve plate and sealing element reduces, to improve gate valve
Air-tightness；When needing to open, first controls driving mechanism two and extrusion is driven to move up, idler wheel rotates on valve plate, works as extruding
When part top is detached between two valve plates, then valve plate opposite sliding under the action of elastic recovery part controls driving mechanism one again
Driving valve plate to rise is openable through-hole.
The present invention can be achieved to improve the air-tightness of gate valve and reduce the purpose of abrasion in use, by driving
Extrusion is arranged in two lower end of motivation structure, and sets two pieces for valve plate, makes extrusion lower part between valve plate, solves existing
Serious wear after gate valve is used for a long time, the problem of leading to poor air-tightness.
As a preferred mode, driving mechanism one and driving mechanism two are disposed as cylinder, the driving mechanism one
Piston rod be fixedly connected with sliding rail upper end, the piston rod of the driving mechanism two is fixedly connected with extrusion upper end.
As a preferred mode, the slideway of sliding rail is set as "T"-shaped, and the valve plate upper end is provided with to be slided with slideway
The "T"-shaped sliding block of connection.
As a preferred mode, elastic recovery part is set as spring, and the elastic recovery part sets at least to two
And be arranged along the vertical direction, the both ends of spring are fixedly connected with corresponding valve plate side respectively.
As a preferred mode, driving mechanism two is set as two and along the axisymmetrical of one output end of driving mechanism
Setting.
As a preferred mode, extrusion includes the mounting plate being fixedly connected with two output end of driving mechanism, described
Mounting plate lower end is vertically arranged with the stripper plate in up-side down triangle, and the stripper plate is set as two and along the axis of driving mechanism one
Line is symmetrical arranged, and the idler wheel is arranged in the opposite one side of two stripper plates and is rotatablely connected by shaft.
As a preferred mode, sliding rail is set as two and is located at the upper and lower ends of valve plate.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention can be achieved to improve the air-tightness of gate valve and reduce the purpose of abrasion in use, pass through
Extrusion is set in two lower end of driving mechanism, and sets two pieces for valve plate, makes extrusion lower part between valve plate, solves
Serious wear after existing gate valve is used for a long time, the problem of leading to poor air-tightness.
(2) cylinder, the work of the driving mechanism one are disposed as by driving mechanism one and driving mechanism two in the present invention
Stopper rod is fixedly connected with sliding rail upper end, and the piston rod of the driving mechanism two is fixedly connected with extrusion upper end, and cylinder has row
Journey is easy to control, stable, debugs convenient feature, uses the stability that equipment operation can be ensured after cylinder.
(3) it is set as "T"-shaped by the slideway of sliding rail in the present invention, the valve plate upper end is provided with to be slidably connected with slideway
"T"-shaped sliding block, "T"-shaped slideway can play the supporting role to valve plate, while can also improve good sliding capability,
(4) two are set as and is set along the axisymmetrical of one output end of driving mechanism by driving mechanism two in the present invention
It sets, so that extrusion is also configured as two, to guarantee good air-tightness, when extrusion typically extends fully across between two valve plates,
The extruding force that valve plate is subject to can make its with through-hole is strict is bonded, since extrusion is two, control pair can be passed through when in use
The stroke for answering driving mechanism two makes extrusion in distribution up and down, to keep the stress of valve plate more uniform, air-tightness is more preferable.
(5) sliding rail is set as two and is located at the upper and lower ends of valve plate in the present invention, the sliding rail of upper and lower ends
Support force is provided to valve plate, keeps the sliding of valve plate more stable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is A-A schematic cross-sectional view of the invention.
Fig. 3 is the enlarged structure schematic diagram of part B in this utility model.
Wherein, 1 driving mechanism one, 2 extrusions, 21 mounting plates, 22 stripper plates, 23 idler wheels, 3 valve bodies, 4 valve plates, 5 through-holes, 6
Elastic recovery part, 7 driving mechanisms two, 8 sliding rails, 9 sliding blocks.
Specific embodiment
The present invention will be further described below with reference to the drawings.Embodiments of the present invention include but is not limited to following reality
Apply example.
Embodiment 1:
Referring to Fig. 1~3, a kind of full-automatic air-tightness gate valve, including valve body 3 offers through-hole 5, valve on the valve body 3
Valve plate 4 is provided in body 3,3 upper end of valve body is provided with driving mechanism 1, and the output end of the driving mechanism 1 extends into valve body
In 3 and it is horizontally arranged with sliding rail 8,4 upper end of valve plate is slidably connected with sliding rail 8, and the valve plate 4 is set as two pieces, described in two
Elastic recovery part 6 is provided between valve plate 4,3 upper end of valve body is additionally provided with driving mechanism 27, the driving mechanism 27
One end extends into valve body 3 and extrusion 2, the cross-sectional area of the extrusion 2 are gradually reduced from top to bottom, and under extrusion 2
Between two valve plates 4, the two sides of extrusion 2 close to the valve plate 4, which are provided with, multiple can be used for being slidably connected with valve plate 4 in portion
Idler wheel 23, the idler wheel 23 are distributed in up-side down triangle.
In the present invention, existing equipment can be used in driving mechanism 1, again or screw rod cooperation electricity such as cylinder or hydraulic cylinder
Machine etc. drives valve plate 4 to move up and down as long as being able to achieve, and driving mechanism 27 can refer to driving mechanism 1 using identical
Equipment, valve plate 4 is displaced downwardly to when blocking through-hole 5 and is in off state, and as open state is moved up when exposing through-hole 5, when needing
When closing, first controls driving mechanism 1 and valve plate 4 is driven to move down, then control driving mechanism 27 again and extrusion 2 is driven to move down,
Since valve plate 4 is set as two pieces and can slide laterally along sliding rail 8, and 2 lower part of extrusion is between valve plate 4, and extrusion 2 is adopted
It is arranged with the mode that cross section from top to bottom is gradually reduced, so that driving mechanism 27 can drive extrusion 2 to move down, due to
2 two sides of extrusion are provided with idler wheel 23 corresponding with valve plate 4, so that extrusion 2 is during gradually moving down, idler wheel 23 and valve
The opposite face contact of plate 4 simultaneously squeezes valve plate 4 and slides into it and block through-hole 5, since idler wheel 23 and valve plate 4 are rubbed using rolling
It wipes, compared with traditional sliding friction, frictional force reduces, and valve plate 4 is to be squeezed by idler wheel 23 with sealing element, so that valve plate 4
Abrasion with sealing element reduces, to improve the air-tightness of gate valve；When needing to open, 27 band of driving mechanism is first controlled
Dynamic extrusion 2 moves up, and idler wheel 23 rotates on valve plate 4, and when 2 top of extrusion is detached between two valve plates 4, valve plate 4 is in elasticity
Opposite sliding under the action of reply part 6, then controls driving mechanism 1 again and valve plate 4 is driven to rise i.e. openable through-hole 5.
The present invention can be achieved to improve the air-tightness of gate valve and reduce the purpose of abrasion in use, by driving
Extrusion is arranged in two lower end of motivation structure, and sets two pieces for valve plate, makes extrusion lower part between valve plate, solves existing
Serious wear after gate valve is used for a long time, the problem of leading to poor air-tightness.
Embodiment 2:
The present embodiment is to be further optimized on the basis of embodiment 1, specifically:
Referring to Fig. 1~3, driving mechanism 1 and driving mechanism 27 are disposed as cylinder, the piston of the driving mechanism 1
Bar is fixedly connected with 8 upper end of sliding rail, and the piston rod of the driving mechanism 27 is fixedly connected with 2 upper end of extrusion.
In the present embodiment, cylinder, the work of the driving mechanism one are disposed as by driving mechanism one and driving mechanism two
Stopper rod is fixedly connected with sliding rail upper end, and the piston rod of the driving mechanism two is fixedly connected with extrusion upper end, and cylinder has row
Journey is easy to control, stable, debugs convenient feature, uses the stability that equipment operation can be ensured after cylinder.
As a preferred mode, the slideway of sliding rail 8 is set as "T"-shaped, and 4 upper end of valve plate is provided with sliding with slideway
The "T"-shaped sliding block 9 of dynamic connection.In which, "T"-shaped slideway can play the supporting role to valve plate, while can also improve good
Sliding capability,
The other parts of the present embodiment are same as Example 1, just repeat no more here.
Embodiment 3:
The present embodiment is to be further optimized on the basis of embodiment 1, specifically:
Referring to Fig. 1~3, elastic recovery part 6 is set as spring, and the elastic recovery part 6 sets at least to two and along perpendicular
Histogram is fixedly connected with corresponding 4 side of valve plate respectively to setting, the both ends of spring.
As a preferred mode, driving mechanism 27 is set as two and along the axis pair of one 1 output end of driving mechanism
Claim setting.In which, two are set as by driving mechanism two and is arranged along the axisymmetrical of one output end of driving mechanism, is made
Extrusion is also configured as two, to guarantee good air-tightness, when extrusion typically extends fully across between two valve plates, valve plate by
To extruding force can make its with through-hole is strict is bonded, since extrusion is two, the corresponding driving of control can be passed through when in use
The stroke of mechanism two makes extrusion in distribution up and down, to keep the stress of valve plate more uniform, air-tightness is more preferable.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
Embodiment 4:
The present embodiment is to be further optimized on the basis of embodiment 1, specifically:
Referring to Fig. 1~3, extrusion 2 includes the mounting plate 21 being fixedly connected with 27 output end of driving mechanism, the installation
21 lower end of plate is vertically arranged with the stripper plate 22 in up-side down triangle, and the stripper plate 22 is set as two and along driving mechanism 1
Axisymmetrical setting, the idler wheel 23 be arranged in the opposite one side of two stripper plates 22 and by shaft rotation connection.
As a preferred mode, sliding rail 8 is set as two and is located at the upper and lower ends of valve plate 4.In which,
Two are set as by sliding rail and is located at the upper and lower ends of valve plate, and the sliding rail of upper and lower ends can provide support to valve plate
Power keeps the sliding of valve plate more stable.
The other parts of the present embodiment are same as Example 1, just repeat no more here.
It as above is the embodiment of the present invention.Design parameter in above-described embodiment and embodiment is merely to understand table
Verification process of the invention is stated, the scope of patent protection being not intended to limit the invention, scope of patent protection of the invention is still
It is subject to the claims, it is all to change with equivalent structure made by specification and accompanying drawing content of the invention, similarly
It should be included within the scope of the present invention.
Claims (7)
1. a kind of full-automatic air-tightness gate valve, including valve body (3), offered through-hole (5) on the valve body (3), in valve body (3)
Be provided with valve plate (4), valve body (3) upper end is provided with driving mechanism one (1), it is characterised in that: the driving mechanism one (1) it is defeated
Outlet is extended into valve body (3) and is horizontally arranged with sliding rail (8), and valve plate (4) upper end is slidably connected with sliding rail (8), described
Valve plate (4) is set as two pieces, is provided with elastic recovery part (6) between two valve plates (4), and valve body (3) upper end is also set up
There is driving mechanism two (7), one end of the driving mechanism two (7) extends into valve body (3) and extrusion (2), the extrusion
(2) cross-sectional area is gradually reduced from top to bottom, and extrusion (2) lower part is between two valve plates (4), the extrusion (2)
The two sides of valve plate (4) are provided with multiple idler wheels (23) that can be used for being slidably connected with valve plate (4), the idler wheel (23) is in
Triangle-Profile.
2. full-automatic air-tightness gate valve according to claim 1, it is characterised in that: the driving mechanism one (1) and drive
Motivation structure two (7) is disposed as cylinder, and the piston rod of the driving mechanism one (1) is fixedly connected with sliding rail (8) upper end, the drive
The piston rod of motivation structure two (7) is fixedly connected with extrusion (2) upper end.
3. full-automatic air-tightness gate valve according to claim 2, it is characterised in that: the slideway of the sliding rail (8) is arranged
To be "T"-shaped, valve plate (4) upper end is provided with the "T"-shaped sliding block (9) being slidably connected with slideway.
4. full-automatic air-tightness gate valve according to claim 1, it is characterised in that: elastic recovery part (6) setting
For spring, the elastic recovery part (6) sets at least to two and is arranged along the vertical direction, the both ends of spring respectively with it is corresponding
Valve plate (4) side is fixedly connected.
5. full-automatic air-tightness gate valve according to claim 4, it is characterised in that: driving mechanism two (7) setting
It is arranged for two and along the axisymmetrical of driving mechanism one (1) output end.
6. full-automatic air-tightness gate valve according to claim 1, it is characterised in that: the extrusion (2) includes and drive
The mounting plate (21) that motivation structure two (7) output end is fixedly connected, mounting plate (21) lower end are vertically arranged in up-side down triangle
Stripper plate (22), the stripper plate (22) be set as two and along the axisymmetrical of driving mechanism one (1) be arranged, the idler wheel
(23) setting is rotatablely connected in the opposite one side of two stripper plates (22) and by shaft.
7. full-automatic air-tightness gate valve according to claim 6, it is characterised in that: the sliding rail (8) is set as two
And it is located at the upper and lower ends of valve plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571316.9A CN110195784A (en) | 2019-06-28 | 2019-06-28 | A kind of full-automatic air-tightness gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571316.9A CN110195784A (en) | 2019-06-28 | 2019-06-28 | A kind of full-automatic air-tightness gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110195784A true CN110195784A (en) | 2019-09-03 |
Family
ID=67755332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910571316.9A Pending CN110195784A (en) | 2019-06-28 | 2019-06-28 | A kind of full-automatic air-tightness gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110195784A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195785A (en) * | 2019-06-28 | 2019-09-03 | 郑州金诚信筛网设备有限公司 | A kind of gate valve convenient for regulation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1239048A (en) * | 1968-12-23 | 1971-07-14 | ||
| EP0241629A2 (en) * | 1986-04-17 | 1987-10-21 | NOVATEC S.r.l. | A gate valve with improved sealing |
| WO2006066489A1 (en) * | 2004-12-23 | 2006-06-29 | Pan, Shijun | Dual-sealing valve |
| CN106286874A (en) * | 2015-05-25 | 2017-01-04 | 北京实力源科技开发有限责任公司 | A kind of push-pull valve |
| CN206017826U (en) * | 2016-08-25 | 2017-03-15 | 晟福（天津）流体自动控制设备有限公司 | parallel double-flashboard gate valve |
| CN206175692U (en) * | 2016-11-23 | 2017-05-17 | 无锡中冶环保科技有限公司 | Manual gate valve |
| CN208487223U (en) * | 2018-05-23 | 2019-02-12 | 淳安千岛湖科利达耐磨阀门有限公司 | A kind of double gate valve of all-zirconium oxide sealing surface |
| CN210178963U (en) * | 2019-06-28 | 2020-03-24 | 郑州金诚信筛网设备有限公司 | Full-automatic gas tightness push-pull valve |
-
2019
- 2019-06-28 CN CN201910571316.9A patent/CN110195784A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1239048A (en) * | 1968-12-23 | 1971-07-14 | ||
| EP0241629A2 (en) * | 1986-04-17 | 1987-10-21 | NOVATEC S.r.l. | A gate valve with improved sealing |
| WO2006066489A1 (en) * | 2004-12-23 | 2006-06-29 | Pan, Shijun | Dual-sealing valve |
| CN106286874A (en) * | 2015-05-25 | 2017-01-04 | 北京实力源科技开发有限责任公司 | A kind of push-pull valve |
| CN206017826U (en) * | 2016-08-25 | 2017-03-15 | 晟福（天津）流体自动控制设备有限公司 | parallel double-flashboard gate valve |
| CN206175692U (en) * | 2016-11-23 | 2017-05-17 | 无锡中冶环保科技有限公司 | Manual gate valve |
| CN208487223U (en) * | 2018-05-23 | 2019-02-12 | 淳安千岛湖科利达耐磨阀门有限公司 | A kind of double gate valve of all-zirconium oxide sealing surface |
| CN210178963U (en) * | 2019-06-28 | 2020-03-24 | 郑州金诚信筛网设备有限公司 | Full-automatic gas tightness push-pull valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195785A (en) * | 2019-06-28 | 2019-09-03 | 郑州金诚信筛网设备有限公司 | A kind of gate valve convenient for regulation |
| CN110195785B (en) * | 2019-06-28 | 2024-04-05 | 郑州金诚信筛网设备有限公司 | Gate valve convenient to regulate and control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210178963U (en) | Full-automatic gas tightness push-pull valve | |
| CN201306460Y (en) | Sealing structure for gate valve | |
| CN110195784A (en) | A kind of full-automatic air-tightness gate valve | |
| CN206468833U (en) | A kind of micro- torque ball valve with check valve | |
| CN213271297U (en) | Gate valve capable of effectively preventing hand wheel from being touched by mistake | |
| CN110195785A (en) | A kind of gate valve convenient for regulation | |
| CN203500538U (en) | Novel flat gate valve | |
| CN113915351A (en) | Eccentric butterfly valve | |
| CN214093057U (en) | Automatic flow control valve with good sealing performance | |
| CN210178966U (en) | Gate valve convenient to regulate and control | |
| CN112594413A (en) | Ball valve | |
| CN206468851U (en) | A kind of check valve | |
| CN220320449U (en) | Slag discharging gate valve | |
| CN217272017U (en) | High-temperature sealing self-locking device | |
| CN219366926U (en) | Slurry gate valve with slag discharging function | |
| CN218992382U (en) | Novel butt-clamping butterfly valve | |
| CN218236198U (en) | Double-face sealing gate valve device for vacuum furnace | |
| CN206124572U (en) | Blackboard | |
| CN221120980U (en) | Durable gate valve | |
| CN111022679A (en) | Knife gate valve with combined type middle cavity sealing ring | |
| CN115875467A (en) | Pressure stabilizing type rubber knife gate valve with pilot split gate plate | |
| CN216197368U (en) | Narrow-edge opening window | |
| CN215487960U (en) | Novel external control sealing ball valve | |
| CN220470661U (en) | Double-screw gate valve | |
| CN210106619U (en) | Improved high-precision butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |