CN215487944U - Hydraulic stop valve with corrugated pipe - Google Patents
Hydraulic stop valve with corrugated pipe Download PDFInfo
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- CN215487944U CN215487944U CN202121358848.3U CN202121358848U CN215487944U CN 215487944 U CN215487944 U CN 215487944U CN 202121358848 U CN202121358848 U CN 202121358848U CN 215487944 U CN215487944 U CN 215487944U
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Abstract
The utility model discloses a hydraulic stop valve with a corrugated pipe, which comprises a valve body, wherein a lower valve rod is penetrated in the valve body in a sealing and movable manner, a valve disc is arranged at one end of the lower valve rod, which is positioned in the valve body, a liquid inlet and a liquid outlet are arranged on the valve body, a valve disc seat opening matched with the valve disc for cutting off a medium is arranged in the valve body, the part of the lower valve rod, which is positioned in the valve body, is sleeved with the corrugated pipe, a valve cover is arranged on the valve body, the upper end of the lower valve rod penetrates into a hollow valve cover, a piston is arranged in the valve cover, the top end of the lower valve rod is connected with the piston, a cylinder cover is arranged at the upper part of the valve cover, oil inlet and outlet are respectively arranged at two sides of the piston on the cylinder cover, and the two oil inlet and outlet are respectively communicated with an oil supply mechanism through an oil supply pipe; an upper valve rod penetrates through the cylinder cover in a sealing and moving mode, a threaded sleeve is embedded in the upper portion of the cylinder cover, the upper portion of the upper valve rod penetrates through the threaded sleeve, a threaded section matched with the threaded sleeve is arranged on the upper portion of the upper valve rod, and a driving hand wheel is arranged at the top of the upper valve rod, penetrating out of the cylinder cover.
Description
Technical Field
The utility model relates to a hydraulic stop valve with a corrugated pipe.
Background
The common stop valve with the corrugated pipe can only drive the valve rod, the corrugated pipe and the valve disc to lift through a manual field operation hand wheel to realize the opening and closing of the valve, the valve can not be driven to open and close through remote control, and when the mounting position of the valve is inconvenient to operate, the valve is difficult to operate to open and close.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the hydraulic stop valve with the corrugated pipe is driven by hydraulic pressure, and can realize the remote control of opening and closing of the valve without manpower.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the hydraulic bellows stop valve comprises a valve body, wherein a lower valve rod penetrates through the valve body in a sealing and movable manner, a valve disc is arranged at one end of the lower valve rod, which is positioned in the valve body, a liquid inlet and a liquid outlet are formed in the valve body, a valve disc seat opening matched with the valve disc for cutting off a medium is formed in the valve body, a bellows is sleeved on the part, which is positioned in the valve body, of the lower valve rod, a valve cover is arranged on the valve body, the upper end of the lower valve rod penetrates into a hollow valve cover, a piston is arranged in the valve cover, the top end of the lower valve rod is connected with the piston, a cylinder cover is arranged on the upper portion of the valve cover, oil inlet and outlet openings are respectively formed in two sides of the piston on the cylinder cover, and the two oil inlet and outlet openings are respectively communicated with an oil supply mechanism through an oil supply pipe; an upper valve rod penetrates through the cylinder cover in a sealing and moving mode, a threaded sleeve is embedded in the upper portion of the cylinder cover, the upper portion of the upper valve rod penetrates through the threaded sleeve, a threaded section matched with the threaded sleeve is arranged on the upper portion of the upper valve rod, and a driving hand wheel is arranged at the top of the upper valve rod, penetrating out of the cylinder cover.
As a preferred scheme, the valve disc is provided with a connecting blind hole parallel to the lower valve rod, the lower part of the lower valve rod is provided with an annular groove, an elastic ring is embedded in the annular groove, the lower part of the lower valve rod is embedded in the connecting blind hole in the valve disc, and the valve disc is provided with a side through hole communicated with the connecting blind hole.
As a preferred scheme, a plurality of lower sealing grooves which are arranged in parallel up and down are arranged on a hole wall in the valve cover for the lower valve rod to pass through, and a lower sealing ring for sealing a gap between the lower valve rod and the valve cover is embedded in the lower sealing groove.
As a preferred scheme, a plurality of upper sealing grooves which are arranged in parallel up and down are arranged on the hole wall through which the upper valve rod penetrates in the cylinder cover, and an upper sealing ring for sealing the gap between the upper valve rod and the cylinder cover is embedded in each upper sealing groove.
As a preferable scheme, the lower edge of the cover-shaped part at the upper part of the corrugated pipe is provided with a sealing ring with an edge embedded between the valve body and the valve cover, and the valve cover is provided with a sealing gasket corresponding to the sealing ring.
As a preferable scheme, the bottom of the lower valve rod is provided with a steel ball.
The utility model has the beneficial effects that:
when the valve works, the upper valve rod moves upwards by rotating the hand wheel. When hydraulic oil enters the upper cavity of the cylinder cover through the joint, the piston is pushed to move downwards, the lower valve rod, the corrugated pipe and the valve disc are driven to move downwards, and the valve is closed; on the contrary, when hydraulic oil enters the cylinder cover lower cavity through the joint, the piston is pushed to move upwards, the lower valve rod, the corrugated pipe and the valve disc are driven to move upwards, and the valve is opened, so that the valve can be opened and closed without manual remote control operation. And this valve can realize the manual closing of valve under emergency state, has strengthened safety in utilization.
Because be equipped with the connection blind hole that is on a parallel with lower valve rod on the valve disc, lower valve rod lower part is equipped with the annular groove, inlays in the annular groove and is equipped with the elastic ring, and in the connection blind hole on the lower valve rod lower part embedding valve disc, be equipped with the side through-hole that is linked together with the connection blind hole on the valve disc for the valve disc is connected conveniently with lower valve rod, and makes the cooperation of elastic ring connect and make the valve disc seal accuracy higher, has reduced the processing degree of difficulty simultaneously.
Because the lower edge of the cover-shaped part at the upper part of the corrugated pipe is provided with the sealing ring embedded between the valve body and the valve cover, and the sealing gasket is arranged on the valve cover corresponding to the sealing ring, the sealing performance is ensured, meanwhile, the valve cover is prevented from damaging the sealing ring, and the service life of the valve body is ensured.
Because the bottom of the lower valve rod is provided with the steel ball, the action of the lower valve rod on the valve disc is reliable and stable, and the dependence on the machining precision of parts is smaller.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of a normal open configuration of the present invention.
Fig. 3 is a schematic diagram of a normally closed configuration of the present invention.
Fig. 4 is a schematic diagram of the manual closing structure in an emergency situation according to the present invention.
In fig. 1 to 4: 1. the valve comprises a valve body 2, a valve disc 3, a lower valve rod 4, a corrugated pipe 5, a sealing gasket 6, a valve cover 7, a lower sealing ring 8, a piston 9, an O-shaped ring 10, an O-shaped ring 11, a cylinder cover 12, an upper valve rod 13, a threaded sleeve 14, a hand wheel 15, an upper sealing ring 16 and steel balls.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-4, the hydraulic stop valve with bellows comprises a valve body 1, a lower valve rod 3 is movably arranged in the valve body 1 in a penetrating manner in a sealing manner, a plurality of lower sealing grooves which are arranged in parallel up and down are arranged on a hole wall of a valve cover 6 for the lower valve rod 3 to penetrate through, and a lower sealing ring 7 for sealing a gap between the lower valve rod 3 and the valve cover 6 is embedded in the lower sealing groove. One of lower valve rod 3 that is located valve body 1 serves and is equipped with valve disc 2, is equipped with the connection blind hole that is on a parallel with lower valve rod 3 on the valve disc 2, lower valve rod 3 lower part is equipped with the annular groove, inlays in the annular groove and is equipped with the elastic ring, and lower valve rod 3 lower part is equipped with and is connected the side through-hole that the blind hole is linked together in the connection blind hole on embedding valve disc 2, the valve disc 2. And a steel ball 16 is arranged at the bottom of the lower valve rod 3.
Be equipped with inlet and liquid outlet on the valve body 1, be equipped with in the valve body 1 with the valve disc seat mouth of valve disc 2 cooperation in order to cut the medium, the cover is equipped with bellows 4 on the part that lower valve rod 3 is located in the valve body 1. The lower edge of the cover-shaped part at the upper part of the corrugated pipe 4 is provided with a sealing ring with the edge embedded between the valve body 1 and the valve cover 6, and the valve cover 6 is provided with a sealing gasket 5 corresponding to the sealing ring.
Be equipped with valve gap 6 on the valve body 1, during lower valve rod 3 upper end penetrated hollow valve gap 6, be equipped with piston 8 in the valve gap 6, the cover is equipped with two O type circles 9, 10 on the piston 8 lateral wall, and lower valve rod 3 top is connected with piston 8.
The upper part of the valve cover 6 is provided with a cylinder cover 11, two sides of the piston 8 on the cylinder cover 11 are respectively provided with an oil inlet and an oil outlet, and the two oil inlets and the oil outlets are respectively communicated with an oil supply mechanism through an oil supply pipe; an upper valve rod 12 penetrates through the cylinder cover 11 in a sealing and movable mode, a plurality of upper sealing grooves which are arranged in parallel up and down are formed in the hole wall through which the upper valve rod 12 penetrates in the cylinder cover 11, and an upper sealing ring 15 for sealing the gap between the upper valve rod 12 and the cylinder cover 11 is embedded in each upper sealing groove. The upper portion of the cylinder cover 11 is embedded with a threaded sleeve 13, the upper portion of the upper valve rod 12 penetrates through the threaded sleeve 13 and is provided with a threaded section matched with the threaded sleeve 13, and the top of the upper valve rod 12 penetrating through the cylinder cover 11 is provided with a driving hand wheel 14.
In normal operation, hand wheel 14 is rotated to move upper stem 12 fully upward.
1) When the valve needs to be opened, the control chamber starts the hydraulic pump station, hydraulic oil enters the lower cavity of the valve cover 6 of the stop valve through the hydraulic pipeline, the piston 8 is pushed to move upwards, and then the lower valve rod, the corrugated pipe and the valve disc are driven to move downwards, so that the valve is opened.
2) When the valve needs to be closed, the hydraulic electromagnetic valve is reversed, hydraulic oil enters the upper cavity of the 6-valve cover of the stop valve, the piston 8 is pushed to move downwards, and then the lower valve rod is driven to move downwards together with the corrugated pipe and the valve disc, so that the valve is closed.
Under the emergency state that the valve door can not be driven by hydraulic oil to close, when the valve needs to be closed, the hand wheel can be manually rotated, so that the upper valve rod moves downwards, the piston is pushed to move downwards, and the lower valve rod is driven to move downwards together with the corrugated pipe and the valve disc, so that the valve is closed.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, not restrictive; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (5)
1. Bellows stop valve is worn to be equipped with down to hydraulic belt, including the valve body, the valve rod is worn to be equipped with by sealed activity in the valve body, and lower valve rod is located one of the valve body and serves and be equipped with the valve disc, is equipped with inlet and liquid outlet on the valve body, is equipped with in the valve body with the valve disc cooperation in order to cut the valve disc seat mouth of medium, and the cover is equipped with the bellows on the part that lower valve rod is located the valve body, is equipped with the valve gap on the valve body, and its characterized in that penetrates in the hollow valve gap on the lower valve rod: a piston is arranged in the valve cover, the top end of the lower valve rod is connected with the piston, a cylinder cover is arranged at the upper part of the valve cover, oil inlet and outlet ports are respectively arranged on two sides of the piston on the cylinder cover, and the two oil inlet and outlet ports are respectively communicated with the oil supply mechanism through an oil supply pipe; an upper valve rod penetrates through the cylinder cover in a sealing and moving mode, a threaded sleeve is embedded in the upper portion of the cylinder cover, the upper portion of the upper valve rod penetrates through the threaded sleeve, a threaded section matched with the threaded sleeve is arranged on the upper portion of the upper valve rod, and a driving hand wheel is arranged at the top of the upper valve rod, penetrating out of the cylinder cover. The valve disc is provided with a connecting blind hole parallel to the lower valve rod, the lower part of the lower valve rod is provided with an annular groove, an elastic ring is embedded in the annular groove, the lower part of the lower valve rod is embedded into the connecting blind hole in the valve disc, and the valve disc is provided with a side through hole communicated with the connecting blind hole.
2. A hydraulic bellows shut-off valve as defined in claim 1, wherein: the valve cover is characterized in that a plurality of lower sealing grooves which are arranged in parallel up and down are arranged on a hole wall for the lower valve rod to penetrate through in the valve cover, and a lower sealing ring for sealing a gap between the lower valve rod and the valve cover is embedded in each lower sealing groove.
3. A hydraulic bellows shut-off valve as defined in claim 2, wherein: the hole wall for the upper valve rod to penetrate through in the cylinder cover is provided with a plurality of upper sealing grooves which are arranged in parallel up and down, and an upper sealing ring for sealing a gap between the upper valve rod and the cylinder cover is embedded in each upper sealing groove.
4. A hydraulic bellows shut-off valve according to claim 3, characterized in that: the lower edge of the cover-shaped part at the upper part of the corrugated pipe is provided with a sealing ring embedded between the valve body and the valve cover, and the valve cover is provided with a sealing gasket corresponding to the sealing ring.
5. A hydraulic bellows shut-off valve according to claim 4, characterized in that: and a steel ball is arranged at the bottom of the lower valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358848.3U CN215487944U (en) | 2021-06-18 | 2021-06-18 | Hydraulic stop valve with corrugated pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358848.3U CN215487944U (en) | 2021-06-18 | 2021-06-18 | Hydraulic stop valve with corrugated pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487944U true CN215487944U (en) | 2022-01-11 |
Family
ID=79719796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121358848.3U Active CN215487944U (en) | 2021-06-18 | 2021-06-18 | Hydraulic stop valve with corrugated pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487944U (en) |
-
2021
- 2021-06-18 CN CN202121358848.3U patent/CN215487944U/en active Active
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