CN213899900U

CN213899900U - Hydraulic cylinder type stop valve device

Info

Publication number: CN213899900U
Application number: CN202022392189.7U
Authority: CN
Inventors: 卓天宝
Original assignee: Hangzhou Kaiwei Valve Group Co ltd
Current assignee: Hangzhou Kaiwei Valve Group Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-08-06
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a pneumatic cylinder type stop valve device, which comprises a valve body, the one end of valve body is passed through welded fastening and is installed first ring flange, the other end of valve body passes through welded fastening and installs the second ring flange, the inside of valve body is installed the interlayer through welded fastening, the through-hole has been seted up at the middle part of interlayer, the inside of valve body is provided with the case, the case is located the through-hole directly over, the outer wall fixed mounting of valve body has hydraulic pressure container. A pneumatic cylinder formula stop valve device, the control easy operation that opens and shuts of the inside fluid passage of valve body, in addition, when components such as high-pressure oil pump broke down, open the second solenoid valve at first back flow and second back flow middle part, make the inside hydraulic oil of hydraulic pressure container can flow back to the inside of oil storage container, through the displacement that makes progress of control slide bar, can push open the case, make the inside fluid passage of valve body open, can emergent use, bring better use prospect.

Description

Hydraulic cylinder type stop valve device

Technical Field

The utility model relates to a stop valve field, in particular to pneumatic cylinder type stop valve device.

Background

The stop valve is an extremely important cut-off valve, and the sealing is realized by applying torque to a valve rod and applying pressure to the valve clack in the axial direction to enable the sealing surface of the valve clack to be tightly attached to the sealing surface of a valve seat and prevent the leakage of a medium along a gap between the sealing surfaces.

Present stop valve has certain drawback when using, in most stop valve structure, need apply the moment of torsion to the valve rod, for turning into linear motion with rotary motion, still contain multiunit screw thread subassembly in the stop valve structure, when the corrosion phenomenon appears in the screw thread part, the dead phenomenon of card can appear, leads to the unable normal use of stop valve, for this reason, we provide a pneumatic cylinder formula stop valve device.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a hydraulic cylinder type stop valve device, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pneumatic cylinder formula stop valve device, includes the valve body, the one end of valve body is passed through welded fastening and is installed first ring flange, the other end of valve body is passed through welded fastening and is installed the second ring flange, the inside of valve body is passed through welded fastening and is installed the interlayer, the through-hole has been seted up at the middle part of interlayer, the inside of valve body is provided with the case, the case is located the through-hole directly over, the outer wall fixed mounting of valve body has hydraulic pressure container, hydraulic pressure container's inside slides and is provided with the piston, the bottom fixed mounting of piston has the valve rod, the thru hole has been seted up on the valve body, the top fixed connection of thru hole and case is passed to the bottom of valve rod.

Preferably, hydraulic container's top fixed mounting has oil storage container, oil storage container's inside fixed mounting has sealed partition, sealed partition is installation space and oil storage space with oil storage container's internal partitioning, and fixed mounting has high-pressure oil pump in the installation space, oil storage container's outer wall fixedly connected with input pipeline, input pipeline communicates with each other with the oil storage space, input pipeline's middle part is provided with the valve.

Preferably, the inside of hydraulic pressure container is through welded fastening install first spacing ring and second spacing ring, first spacing ring is located the below of piston, the second spacing ring is located the top of piston, the input and the oil storage space of high-pressure oil pump communicate with each other, first high-pressure fuel pipe and second high-pressure fuel pipe of output fixedly connected with of high-pressure oil pump, first high-pressure fuel pipe and second high-pressure fuel pipe's middle part all is provided with first solenoid valve.

Preferably, two groups of round holes are formed in the oil storage container, one end of the first high-pressure oil pipe penetrates through the round hole to enter the outer portion of the oil storage container and be fixedly connected with the outer wall of the hydraulic container, the connecting position of the first high-pressure oil pipe and the hydraulic container is higher than the mounting position of the second limiting ring, one end of the second high-pressure oil pipe penetrates through the round hole to enter the outer portion of the oil storage container and be fixedly connected with the outer wall of the hydraulic container, and the connecting position of the second high-pressure oil pipe and the hydraulic container is lower than the mounting position of the first limiting ring.

Preferably, the outer wall of the oil storage container is fixedly connected with a first return pipe and a second return pipe, the first return pipe and the second return pipe are communicated with the oil storage space, the middle parts of the first return pipe and the second return pipe are respectively provided with a second electromagnetic valve, one end of the first return pipe is fixedly connected with the outer wall of the hydraulic container, the connecting position of the first return pipe and the hydraulic container is higher than the mounting position of the second limit ring, and the connecting position of the second return pipe and the hydraulic container is lower than the mounting position of the first limit ring.

Preferably, the bottom of hydraulic pressure container is fixed with first sealing washer through sealed gluey joint, the inboard bottom of hydraulic pressure container is fixed with the second sealing washer through sealed gluey joint, first sealing washer encircles the valve rod with the second sealing washer, the middle part of piston is fixed with the sealing ring through sealed gluey joint.

Preferably, the outer wall fixedly connected with extension pipe of valve body, the knob lid is installed to the bottom screw thread of extension pipe, the inboard bottom of knob lid is fixed with sealed the pad through sealed gluey joint, the inside interlude of extension pipe has the slide bar, the bottom fixed mounting of slide bar has the pull ring, the outer wall of slide bar is connected through powerful glue and is fixed with the rubber sleeve, and the notch has been seted up to the outer wall of rubber sleeve.

Compared with the prior art, the utility model discloses following beneficial effect has: the hydraulic cylinder type stop valve device is characterized in that hydraulic oil is conveyed through a high-pressure oil pump, after a first electromagnetic valve in the middle of a first high-pressure oil pipe is opened, the hydraulic oil is input into a hydraulic container and is positioned above a piston, a high-pressure environment is formed along with continuous input of the hydraulic oil, the piston is forced to move downwards, the piston pushes a valve rod and a valve core to move downwards, the valve core blocks a through hole in the middle of an interlayer and seals a fluid channel, after a first electromagnetic valve in the middle of a second high-pressure oil pipe is opened, the hydraulic oil is input into the hydraulic container and is positioned below the piston, the position is higher than the environment along with continuous input of the hydraulic oil, the piston is forced to move upwards, the piston drives the valve rod and the valve core to move upwards, the valve core leaves the through hole in the middle of the interlayer, the fluid channel is smooth, the opening and closing control operation of the fluid channel in a valve body is simple, in addition, when components such as the high-pressure oil pump break down, open the second solenoid valve at first back flow pipe and second back flow pipe middle part, make the inside hydraulic oil of hydraulic pressure container can flow back to the inside of oil storage container, through control slide bar displacement upwards, can back open the case, make the inside fluid passage of valve body open, can emergent use, do benefit to people and use, whole hydraulic cylinder formula stop valve device simple structure, convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is the structure schematic diagram of the utility model relates to a pneumatic cylinder stop valve device.

Fig. 2 is an enlarged view of a in fig. 1 of a hydraulic cylinder type stop valve device of the present invention.

Fig. 3 is an enlarged view of B in fig. 1 of a hydraulic cylinder type stop valve device according to the present invention.

In the figure: 1. a valve body; 2. a first flange plate; 3. a second flange plate; 4. an interlayer; 5. a valve core; 6. A hydraulic reservoir; 7. an oil storage container; 8. an input pipe; 9. sealing the partition plate; 10. a high-pressure oil pump; 11. A first high pressure fuel line; 12. a second high pressure fuel line; 13. a first return pipe; 14. a second return pipe; 15. A valve stem; 16. a first seal ring; 17. a second seal ring; 18. a piston; 19. a seal ring; 20. a first limit ring; 21. a second stop collar; 22. an extension pipe; 23. a knob cover; 24. a gasket; 25. a slide bar; 26. and (4) a pull ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a hydraulic cylinder type stop valve device comprises a valve body 1, a first flange 2 is fixedly installed at one end of the valve body 1 by welding, a second flange 3 is fixedly installed at the other end of the valve body 1 by welding, a partition 4 is fixedly installed inside the valve body 1 by welding, a through hole is formed in the middle of the partition 4, a valve core 5 is arranged inside the valve body 1, the valve core 5 is positioned right above the through hole, a hydraulic container 6 is fixedly installed on the outer wall of the valve body 1, a piston 18 is slidably arranged inside the hydraulic container 6, a valve rod 15 is fixedly installed at the bottom of the piston 18, a through hole is formed in the valve body 1, the bottom end of the valve rod 15 penetrates through the through hole to be fixedly connected with the top of the valve core 5, the piston 18 is moved upwards or downwards by hydraulic pressure to drive the valve rod 15 to synchronously move with the valve core 5, and when the valve core 5 moves downwards, the valve core 5 blocks the through hole in the middle of the partition 4, and the fluid channel is closed, when the valve core 5 moves upwards, the valve core 5 leaves the through hole in the middle of the interlayer 4, and the fluid channel is smooth.

Further, the top fixed mounting of hydraulic pressure container 6 has oil storage container 7, the inside fixed mounting of oil storage container 7 has sealed bulkhead 9, sealed bulkhead 9 separates the inside of oil storage container 7 for installation space and oil storage space, and fixed mounting has high-pressure oil pump 10 in the installation space, the outer wall fixedly connected with input pipeline 8 of oil storage container 7, input pipeline 8 communicates with each other with the oil storage space, the middle part of input pipeline 8 is provided with the valve, open the valve after, accessible input pipeline 8 inputs hydraulic oil in to the oil storage space.

Further, a first limiting ring 20 and a second limiting ring 21 are fixedly installed inside the hydraulic container 6 through welding, the first limiting ring 20 is located below the piston 18, the second limiting ring 21 is located above the piston 18, the input end of the high-pressure oil pump 10 is communicated with the oil storage space, the output end of the high-pressure oil pump 10 is fixedly connected with a first high-pressure oil pipe 11 and a second high-pressure oil pipe 12, and first electromagnetic valves are arranged in the middles of the first high-pressure oil pipe 11 and the second high-pressure oil pipe 12.

Furthermore, two sets of circular holes are formed in the oil storage container 7, one end of the first high-pressure oil pipe 11 penetrates through the circular hole to enter the outer portion of the oil storage container 7 to be fixedly connected with the outer wall of the hydraulic container 6, the connecting position of the first high-pressure oil pipe 11 and the hydraulic container 6 is higher than the mounting position of the second limiting ring 21, one end of the second high-pressure oil pipe 12 penetrates through the circular hole to enter the outer portion of the oil storage container 7 to be fixedly connected with the outer wall of the hydraulic container 6, the connecting position of the second high-pressure oil pipe 12 and the hydraulic container 6 is lower than the mounting position of the first limiting ring 20, the high-pressure oil pump 10 conveys hydraulic oil, after the first electromagnetic valve in the middle of the first high-pressure oil pipe 11 is opened, the hydraulic oil is input into the hydraulic container 6 and is located above the piston 18, a high-pressure environment is formed along with continuous input of the hydraulic oil, the piston 18 is forced to move downwards, the piston 18 pushes the valve rod 15 and the valve core 5 to move downwards, the valve core 5 blocks the through hole in the middle of the interlayer 4 to close the fluid channel, after the first electromagnetic valve in the middle of the second high-pressure oil pipe 12 is opened, hydraulic oil is input into the hydraulic container 6 and is located below the piston 18, the hydraulic oil is continuously input to form a position higher than the environment, the piston 18 is forced to move upwards, the piston 18 drives the valve rod 15 and the valve core 5 to move upwards, the valve core 5 leaves the through hole in the middle of the interlayer 4, and the fluid channel is smooth.

Furthermore, a first return pipe 13 and a second return pipe 14 are fixedly connected to the outer wall of the oil storage container 7, the first return pipe 13 and the second return pipe 14 are both communicated with the oil storage space, a second electromagnetic valve is arranged in the middle of the first return pipe 13 and the second return pipe 14, one end of the first return pipe 13 is fixedly connected with the outer wall of the hydraulic container 6, the connection position of the first return pipe 13 and the hydraulic container 6 is higher than the installation position of the second limiting ring 21, the connection position of the second return pipe 14 and the hydraulic container 6 is lower than the installation position of the first limiting ring 20, after the second electromagnetic valve in the middle of the first return pipe 13 is opened, the space above a piston 18 in the hydraulic container 6 is communicated with the oil storage space in the oil storage container 7, when the piston 18 moves upwards, hydraulic oil above the piston 18 flows back to the oil storage space through the first return pipe 13, after the second electromagnetic valve in the middle of the second return pipe 14 is opened, the space below the piston 18 inside the hydraulic reservoir 6 communicates with the oil storage space inside the oil reservoir 7, and when the piston 18 is displaced downward, hydraulic oil below the piston 18 flows back into the oil storage space through the second return pipe 14.

Furthermore, the bottom of the hydraulic container 6 is fixedly connected with a first sealing ring 16 through a sealing glue, the bottom of the inner side of the hydraulic container 6 is fixedly connected with a second sealing ring 17 through a sealing glue, the first sealing ring 16 and the second sealing ring 17 encircle the valve rod 15, the sealing effect between the valve rod 15 and the hydraulic container 6 is improved, the middle part of the piston 18 is fixedly connected with a sealing ring 19 through a sealing glue, and the sealing effect between the piston 18 and the hydraulic container 6 is improved.

Furthermore, an extension pipe 22 is fixedly connected to the outer wall of the valve body 1, a knob cover 23 is installed at the bottom end of the extension pipe 22 in a threaded manner, a sealing gasket 24 is fixed at the bottom of the inner side of the knob cover 23 through sealing glue, a sliding rod 25 is inserted into the extension pipe 22, a pull ring 26 is fixedly installed at the bottom end of the sliding rod 25, when components such as the high-pressure oil pump 10 and the like fail, opening a second electromagnetic valve in the middle of the first return pipe 13 and the second return pipe 14 to enable hydraulic oil in the hydraulic container 6 to flow back to the inside of the oil storage container 7, unscrewing the knob cover 23, controlling the slide rod 25 to move upwards, ejecting the valve core 5 to open a fluid channel in the valve body 1, can emergent use, the outer wall of slide bar 25 bonds through the powerful glue and is fixed with the rubber sleeve, and the notch has been seted up to the outer wall of rubber sleeve, increases the damping between slide bar 25 and the extension pipe 22, prevents that slide bar 25 from breaking away from the position in the time quantum of not having the manual operation.

It should be noted that, the present invention is a hydraulic cylinder type stop valve device, before use, the hydraulic cylinder type stop valve device is installed in a pipeline system, when in use, the high-pressure oil pump 10 is controlled to start, the high-pressure oil pump 10 delivers hydraulic oil, after the first electromagnetic valve in the middle of the first high-pressure oil pipe 11 is opened, the hydraulic oil is input into the hydraulic container 6 and located above the piston 18, with the continuous input of the hydraulic oil, a high-pressure environment is formed, the piston 18 is forced to move downwards, the piston 18 pushes the valve rod 15 and the valve core 5 to move downwards, the valve core 5 plugs the through hole in the middle of the partition 4, the fluid passage is closed, after the first electromagnetic valve in the middle of the second high-pressure oil pipe 12 is opened, the hydraulic oil is input into the hydraulic container 6 and located below the piston 18, with the continuous input of the hydraulic oil, the environment is formed higher than the environment, the piston 18 is forced to move upwards, the piston 18 drives the valve rod 15 and the valve core 5 to move upwards, the valve core 5 leaves the through hole in the middle of the interlayer 4, the fluid passage is smooth, a first return pipe 13 and a second return pipe 14 are arranged between the hydraulic container 6 and the oil storage container 7, after a second electromagnetic valve in the middle of the first return pipe 13 is opened, the space above a piston 18 in the hydraulic container 6 is communicated with the oil storage space in the oil storage container 7, when the piston 18 moves upwards, hydraulic oil above the piston 18 flows back to the oil storage space through the first return pipe 13, after the second electromagnetic valve in the middle of the second return pipe 14 is opened, the space below the piston 18 in the hydraulic container 6 is communicated with the oil storage space in the oil storage container 7, when the piston 18 moves downwards, the hydraulic oil below the piston 18 flows back to the oil storage space through the second return pipe 14, when components such as the high-pressure oil pump 10 and the like have faults, the second electromagnetic valve in the middle of the first return pipe 13 and the second return pipe 14 is opened, the hydraulic oil in the hydraulic container 6 can flow back to the oil storage container 7, the knob cover 23 is unscrewed, the slide rod 25 is controlled to move upwards, the valve core 5 is jacked open, the fluid channel in the valve body 1 is opened, and the hydraulic oil storage container can be used in emergency and is practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pneumatic cylinder formula stop valve device, includes valve body (1), its characterized in that: the one end of valve body (1) is passed through welded fastening and is installed first ring flange (2), the other end of valve body (1) is passed through welded fastening and is installed second ring flange (3), interlayer (4) are installed through welded fastening in the inside of valve body (1), the through-hole has been seted up at the middle part of interlayer (4), the inside of valve body (1) is provided with case (5), case (5) are located directly over the through-hole, the outer wall fixed mounting of valve body (1) has hydraulic container (6), the inside slip of hydraulic container (6) is provided with piston (18), the bottom fixed mounting of piston (18) has valve rod (15), the thru hole has been seted up on valve body (1), the top fixed connection of thru hole and case (5) is passed to the bottom of valve rod (15).

2. A hydraulic cylinder type shut-off valve device according to claim 1, characterized in that: the top fixed mounting of hydraulic pressure container (6) has oil storage container (7), the inside fixed mounting of oil storage container (7) has sealed baffle (9), sealed baffle (9) are installation space and oil storage space with the internal partitioning of oil storage container (7), and fixed mounting has high-pressure oil pump (10) in the installation space, the outer wall fixedly connected with input pipeline (8) of oil storage container (7), input pipeline (8) communicate with each other with the oil storage space, the middle part of input pipeline (8) is provided with the valve.

3. A hydraulic cylinder type shut-off valve device according to claim 2, wherein: the inside of hydraulic pressure container (6) is through welded fastening install first spacing ring (20) and second spacing ring (21), first spacing ring (20) are located the below of piston (18), second spacing ring (21) are located the top of piston (18), the input and the oil storage space of high-pressure oil pump (10) communicate with each other, the first high-pressure fuel pipe (11) of output fixedly connected with and second high-pressure fuel pipe (12) of high-pressure oil pump (10), first high-pressure fuel pipe (11) all are provided with first solenoid valve with the middle part of second high-pressure fuel pipe (12).

4. A hydraulic cylinder type shut-off valve device according to claim 3, wherein: two groups of round holes are formed in the oil storage container (7), one end of the first high-pressure oil pipe (11) penetrates through the round hole to enter the outer portion of the oil storage container (7) and be fixedly connected with the outer wall of the hydraulic container (6), the connecting position of the first high-pressure oil pipe (11) and the hydraulic container (6) is higher than the mounting position of the second limiting ring (21), one end of the second high-pressure oil pipe (12) penetrates through the round hole to enter the outer portion of the oil storage container (7) and be fixedly connected with the outer wall of the hydraulic container (6), and the connecting position of the second high-pressure oil pipe (12) and the hydraulic container (6) is lower than the mounting position of the first limiting ring (20).

5. A hydraulic cylinder type shut-off valve device according to claim 2 or 4, wherein: the oil storage device is characterized in that a first return pipe (13) and a second return pipe (14) are fixedly connected to the outer wall of the oil storage container (7), the first return pipe (13) and the second return pipe (14) are communicated with an oil storage space, a second electromagnetic valve is arranged in the middle of each of the first return pipe (13) and the second return pipe (14), one end of the first return pipe (13) is fixedly connected with the outer wall of the hydraulic container (6), the connecting position of the first return pipe (13) and the hydraulic container (6) is higher than the mounting position of a second limiting ring (21), and the connecting position of the second return pipe (14) and the hydraulic container (6) is lower than the mounting position of a first limiting ring (20).

6. A hydraulic cylinder type shut-off valve device according to claim 1, characterized in that: the bottom of hydraulic pressure container (6) is fixed with first sealing washer (16) through sealed gluey joint, the inboard bottom of hydraulic pressure container (6) is fixed with second sealing washer (17) through sealed gluey joint, valve rod (15) are encircleed with second sealing washer (17) in first sealing washer (16), the middle part of piston (18) is fixed with sealing ring (19) through sealed gluey joint.

7. A hydraulic cylinder type shut-off valve device according to claim 1, characterized in that: the outer wall fixedly connected with extension pipe (22) of valve body (1), knob lid (23) are installed to the bottom screw thread of extension pipe (22), the inboard bottom of knob lid (23) splices through sealed glue and is fixed with sealed pad (24), the inside interlude of extension pipe (22) has slide bar (25), the bottom fixed mounting of slide bar (25) has pull ring (26), the outer wall of slide bar (25) splices through powerful gluey and is fixed with the rubber sleeve, and the notch has been seted up to the outer wall of rubber sleeve.