CN203703204U - Pneumatic open spring reset type double-disc gate valve - Google Patents
Pneumatic open spring reset type double-disc gate valve Download PDFInfo
- Publication number
- CN203703204U CN203703204U CN201420096101.9U CN201420096101U CN203703204U CN 203703204 U CN203703204 U CN 203703204U CN 201420096101 U CN201420096101 U CN 201420096101U CN 203703204 U CN203703204 U CN 203703204U
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- CN
- China
- Prior art keywords
- valve
- spring
- piston
- valve rod
- seal disc
- 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.)
- Expired - Fee Related
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Abstract
Disclosed is a pneumatic open spring reset type double-disc gate valve. The pneumatic open spring reset type double-disc gate valve comprises a valve body, a valve cover, a valve rod and a valve plate. The valve plate is perpendicular to the internal flow channel of the valve body, movably mounted inside the vertical slide groove inside the valve body and connected with the lower end of the valve rod in a transmission mode; the upper end of the valve rod is connected in a transmission mode with the piston of an air cylinder on the valve cover and tightly connected with the a sliding sleeve in a sleeving mode; the outer wall of the upper end of the sliding sleeve is provided with a ring-shaped shaft shoulder, and the sliding sleeve is fixedly connected with a locking nut and the piston through the ring-shaped shaft shoulder; one side of the piston is connected with a lower gasket in a sleeve mode, the lower gasket is in contact with an adjusting screw arranged on the bottom cover of the air cylinder, the other side of the piston is connected with a lower spring seat in a sleeve mode, the internal top of the upper cover of the air cylinder is connected with an upper spring seat in a sleeve mode, and an internal spring and an external spring are compressed between the upper spring seat and the lower spring seat. The pneumatic open spring reset type double-disc gate valve is sealed through two sealing discs to achieve reliable sealing performance and can be opened pneumatically as well as manually; after an air source is removed and a switching handle is wrenched, the springs can be reset to push the valve plate to close the valve, so that time saving and labor saving can be obtained.
Description
Technical field
The utility model relates to valve technology field, is specifically related to a kind of gas and opens the two plate gate valves of spring return type.
Background technique
The sealability of raising valve and the easily keying of control valve are that the technician of valve technology field pursued always, valve under currently available technology mostly only has a sealing surface, once sealing surface is let out in damaging to some extent and will causing, in addition, valve opens and closes all needs people or twice acting of power mechanism just can complete, waste time and energy, and high to power mechanism Functional Requirement.
Model utility content
For the deficiencies in the prior art, the utility model provides a kind of gas to open the two plate gate valves of spring return type.
In order to achieve the above object, the utility model solves the technological scheme that its technical problem adopts: gas is opened the two plate gate valves of spring return type, comprise valve body, valve gap, valve rod, flashboard, valve plate is perpendicular to valve inner fluid passage, and be movably installed in the upper gliding groove that is located at valve inner, valve plate and valve rod lower end are in transmission connection, described valve rod upper end is connected with the piston drive that is arranged on the cylinder on valve gap, the upper end of valve rod is closely socketed with sliding sleeve, on the outer wall of sliding sleeve upper end portion, be provided with an annular shaft shoulder, sliding sleeve is fastenedly connected by the annular shaft shoulder and locking nut and piston, one side of piston is socketed with lower gasket, lower gasket contacts with the adjusting screw being arranged on cylinder bottom, the opposite side of described piston is socketed with lower spring cup, cylinder upper cover inner top is socketed with upper spring seat, between upper spring seat and lower spring cup, compress and have inner spring and outer spring.
Furtherly, in the valve body of described flashboard top, be provided with the guiding groove being formed by guide plate, flashboard is divided into left seal disc, right seal disc and be positioned at two wedge-shaped blockss in the middle of seal discs, described wedge-shaped blocks is socketed on the bearing pin between left seal disc and right seal disc, wedge-shaped blocks top is in transmission connection with valve rod, and its below pushes or exits in being arranged on rising in piece between left seal disc and right seal disc.
Furtherly, the outer top of described cylinder upper cover is provided with man-operated mechanism, man-operated mechanism is in transmission connection by draw-bar and attaching nut and valve stem tip, the upper end portion of draw-bar is provided with outside thread, in man-operated mechanism, be provided with open loop nut, open loop nut is connected or separation with the outside thread on draw-bar by switching handle, and the top of man-operated mechanism is also provided with indicating arm, and indicating arm is fixedly connected on the top of draw-bar.
Cylinder is connected with solenoid directional control valve, and solenoid directional control valve is electrically connected with controller, and controller is electrically connected with remote server by wireless, the break-make of remote server control solenoid directional control valve.
The beneficial effects of the utility model: adopt the sealing of double-sealing dish, sealability is reliable, and valve opening can use pneumatic or manual, remove source of the gas or pull and switch after handle, and spring reset promotes valve plate throttle down, time saving and energy saving.
Brief description of the drawings
Fig. 1 is sectional structure schematic diagram of the present utility model.
Embodiment
Gas is as shown in Figure 1 opened the two plate gate valves of spring return type, comprise valve body 1, valve gap 2, valve rod 3, flashboard 4, valve plate 4 is perpendicular to valve body 1 internal fluid channels, and be movably installed in the upper gliding groove that is located at valve body 1 inside, valve plate 4 is in transmission connection with valve rod 3 lower ends, described valve rod 3 upper ends are in transmission connection with the piston 6 that is arranged on the cylinder 5 on valve gap 2, the upper end of valve rod 3 is closely socketed with sliding sleeve 8, on sliding sleeve 8 upper end portion outer walls, be provided with an annular shaft shoulder, sliding sleeve 8 is fastenedly connected with piston 6 by the annular shaft shoulder and locking nut 9, one side of piston 6 is socketed with lower gasket 7, lower gasket 7 contacts with the adjusting screw 11 being arranged on cylinder bottom 10, the opposite side of described piston 6 is socketed with lower spring cup 12, cylinder upper cover 13 inner tops are socketed with upper spring seat 14, between upper spring seat 14 and lower spring cup 12, compress and have inner spring 15 and outer spring 16.
Preferably, in the valve body 1 of described flashboard 4 tops, be provided with the guiding groove being formed by guide plate 17, flashboard 4 is divided into left seal disc 18, right seal disc 19 and be positioned at two wedge-shaped blockss 20 in the middle of seal discs, described wedge-shaped blocks 20 is socketed on the bearing pin between left seal disc 18 and right seal disc 19, wedge-shaped blocks 20 tops and valve rod 3 are in transmission connection, and its below pushes or exits in being arranged on rising in piece 21 between left seal disc 18 and right seal disc 19; The outer top of described cylinder upper cover 13 is provided with man-operated mechanism 22, man-operated mechanism 22 is in transmission connection with valve rod 3 tops by draw-bar 23 and attaching nut 24, the upper end portion of draw-bar 23 is provided with outside thread, in man-operated mechanism 22, be provided with open loop nut, open loop nut is connected or separation with the outside thread on draw-bar 23 by switching handle, the top of man-operated mechanism 22 is also provided with indicating arm 25, and indicating arm 25 is fixedly connected on the top of draw-bar 23.
Gas is opened the two plate gate valves of spring return type and is had the sealing of double-sealing dish, sealability is reliable, valve opening can use pneumatic or manual, when valve closing only with removing source of the gas or pulling switching handle, valve plate automatically resets under the effect of spring force, by valve closing, time saving and energy saving, not high to power mechanism functional requirement.
Claims (4)
1. gas is opened the two plate gate valves of spring return type, comprise valve body (1), valve gap (2), valve rod (3), flashboard (4), valve plate (4) is perpendicular to valve body (1) internal fluid channels, and be movably installed in the upper gliding groove that is located at valve body (1) inside, valve plate (4) is in transmission connection with valve rod (3) lower end, it is characterized in that, described valve rod (3) upper end is in transmission connection with the piston (6) that is arranged on the cylinder (5) on valve gap (2), the upper end of valve rod (3) is closely socketed with sliding sleeve (8), on the outer wall of sliding sleeve (8) upper end portion, be provided with an annular shaft shoulder, sliding sleeve (8) is fastenedly connected with piston (6) by the annular shaft shoulder and locking nut (9), one side of piston (6) is socketed with lower gasket (7), lower gasket (7) contacts with the adjusting screw (11) being arranged on cylinder bottom (10), the opposite side of described piston (6) is socketed with lower spring cup (12), cylinder upper cover (13) inner top is socketed with upper spring seat (14), between upper spring seat (14) and lower spring cup (12), compress and have inner spring (15) and outer spring (16).
2. gas according to claim 1 is opened the two plate gate valves of spring return type, it is characterized in that, in the valve body (1) of described flashboard (4) top, be provided with the guiding groove being formed by guide plate (17), flashboard (4) is divided into left seal disc (18), right seal disc (19) and be positioned at two wedge-shaped blockss (20) in the middle of seal discs, described wedge-shaped blocks (20) is socketed on the bearing pin between left seal disc (18) and right seal disc (19), wedge-shaped blocks (20) top is in transmission connection with valve rod (3), its below pushes or exits in the piece that rises (21) being arranged between left seal disc (18) and right seal disc (19).
3. gas according to claim 1 and 2 is opened the two plate gate valves of spring return type, it is characterized in that, the outer top of described cylinder upper cover (13) is provided with man-operated mechanism (22), man-operated mechanism (22) is in transmission connection with valve rod (3) top by draw-bar (23) and attaching nut (24), the upper end portion of draw-bar (23) is provided with outside thread, man-operated mechanism is provided with open loop nut in (22), open loop nut is connected or separates with the outside thread on draw-bar (23) by switching handle, the top of man-operated mechanism (22) is also provided with indicating arm (25), indicating arm (25) is fixedly connected on the top of draw-bar (23).
4. gas according to claim 3 is opened the two plate gate valves of spring return type, it is characterized in that, cylinder (5) is connected with solenoid directional control valve, and solenoid directional control valve is electrically connected with controller, controller is electrically connected with remote server by wireless, the break-make of remote server control solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096101.9U CN203703204U (en) | 2014-03-03 | 2014-03-03 | Pneumatic open spring reset type double-disc gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420096101.9U CN203703204U (en) | 2014-03-03 | 2014-03-03 | Pneumatic open spring reset type double-disc gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703204U true CN203703204U (en) | 2014-07-09 |
Family
ID=51053649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420096101.9U Expired - Fee Related CN203703204U (en) | 2014-03-03 | 2014-03-03 | Pneumatic open spring reset type double-disc gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481330A (en) * | 2014-09-16 | 2015-04-01 | 武汉海王科技有限公司 | Opening and closing device with mechanical locking mechanism for openings |
| CN109854766A (en) * | 2018-12-28 | 2019-06-07 | 天津市天飞海泰阀门有限公司 | A kind of flow control valve that can be closed with moment |
-
2014
- 2014-03-03 CN CN201420096101.9U patent/CN203703204U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481330A (en) * | 2014-09-16 | 2015-04-01 | 武汉海王科技有限公司 | Opening and closing device with mechanical locking mechanism for openings |
| CN109854766A (en) * | 2018-12-28 | 2019-06-07 | 天津市天飞海泰阀门有限公司 | A kind of flow control valve that can be closed with moment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150303 |
|
| EXPY | Termination of patent right or utility model |