CN220354507U

CN220354507U - Electrohydraulic flat valve capable of being opened and closed rapidly

Info

Publication number: CN220354507U
Application number: CN202321431599.5U
Authority: CN
Inventors: 冯秀琴; 鞠菊
Original assignee: Yangzhou Hongwei Machinery Co ltd
Current assignee: Yangzhou Hongwei Machinery Co ltd
Priority date: 2023-06-07
Filing date: 2023-06-07
Publication date: 2024-01-16
Anticipated expiration: 2033-06-07

Abstract

The utility model discloses a quick-opening and closing electrohydraulic flat valve, which comprises a valve pipe, wherein the inner surface of the valve pipe is fixedly connected with a plate valve shell, the upper surface of the plate valve shell is fixedly connected with a middle sliding plate, the upper surface of the middle sliding plate is fixedly connected with a bearing frame, the upper surface of the bearing frame is fixedly connected with a motor, the output end of the motor is fixedly connected with an upper rotating wheel, the inner surface of the upper rotating wheel is provided with a belt, the bottom end of the upper rotating wheel is provided with a lower rotating wheel, the outer surface of the lower rotating wheel is fixedly connected with an opening and closing device, the inner surface of the middle sliding plate is fixedly connected with a buffer device, and an opening and closing groove is formed in the middle sliding plate.

Description

Electrohydraulic flat valve capable of being opened and closed rapidly

Technical Field

The utility model relates to the technical field of gate valves, in particular to a quick-opening and closing electrohydraulic flat valve.

Background

The flat gate valve is a sliding valve with parallel gate plates as the closing member, which may be a single gate plate or a double gate plate with a spreader mechanism therebetween, the pressing force of the gate plate against the valve seat is controlled by the pressure of the medium acting on the floating gate plate or the floating valve seat, and if the flat gate valve is a double gate plate gate valve, the spreader mechanism between the two gate plates can supplement the pressing force.

In the prior art, the method has the following publication number: the utility model provides an electronic miniature flat valve of CN209012457U, includes valve body, valve rod, valve plate, valve pocket and disk seat, the top of valve body is provided with the bearing frame, install bearing and shaft coupling in the bearing frame, the shaft coupling is connected the valve rod, gear motor is installed to the bearing frame upper end, gear motor's drive shaft connection the shaft coupling. The electronic miniature flat valve of this application passes through gear motor and drives the shaft coupling, shaft coupling and valve rod threaded connection to drive valve rod up-and-down motion, make valve plate and disk seat realize opening the closed state, control mode is simple, and adopt gear motor, the shaft coupling drives the valve rod and goes up and down the mode that realizes that the flat valve opens and close and replace traditional technique through pneumatic control and hydraulic drive valve rod and go up and down, the auxiliary power equipment of complicacy such as hydraulic pressure station has been saved, make the flat valve can satisfy the less occasion demand in space more widely, and degree of automation is high, the structure is simple and reasonable more, occupation space is little.

Although the above-mentioned patent has technical advantages as above, it is disadvantageous in that the technology does not take into consideration that the flat valve may need to be installed at a place where the flow rate of the fluid is high, that the technology is opened and closed too slowly, does not meet the working requirements, affects the working efficiency, and does not take into consideration that the hydraulic hammer effect which may be generated when the fluid is closed, causes damage to the equipment and the connected pipes.

Disclosure of Invention

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an electrohydraulic flat valve of quick start and stop, includes the valve pipe, the internal surface fixedly connected with plate valve shell of valve pipe, the last fixed surface of plate valve shell is connected with well slide, the last fixed surface of well slide is connected with the bearing frame, the last fixed surface of bearing frame is connected with the motor, the output fixedly connected with of motor goes up the runner, the internal surface of going up the runner is provided with the belt, the bottom of going up the runner is provided with down the runner, lower runner surface fixedly connected with opening and shutting device, the internal surface fixedly connected with buffer of well slide, the inside opening and shutting groove of having seted up of well slide, the above function uses two opposite movements, has solved the unable quick problem of opening and shutting of traditional electrohydraulic flat valve, and special inclined plane contact surface design has strengthened sealed effect.

Preferably, the opening and closing device comprises a left screw cylinder, the inner surface threaded connection of the left screw cylinder has a left screw rod, one end of the left screw rod is fixedly connected with the outer surface of the lower rotating wheel, the other end of the left screw rod is fixedly connected with a right screw rod, the outer surface threaded connection of the right screw rod has a right screw cylinder, the outer surface of the right screw cylinder is fixedly connected with a right bevel valve, the outer surface of the right bevel valve is slidably connected with a left bevel valve, and the left bevel valve and the right bevel valve move towards the center in a plate valve shell until the inclined contact surface of the left bevel valve and the inclined contact surface of the right bevel valve are completely sealed and closed.

Preferably, the buffer device comprises a slide bar, the top fixedly connected with buffer shell of slide bar, buffer shell's surface and well slide plate's internal surface fixed connection, buffer shell's surface and the internal surface fixed connection of valve pipe, the surface threaded connection of slide bar has the sealing piece, the surface of sealing piece and buffer shell's internal surface sliding connection, and fluid impact is to the bottom of sealing piece, and at this moment fluid impact force acts on the sealing piece, and the sealing piece begins to do upper and lower sliding motion at the surface of slide bar.

Preferably, the inner surface sliding connection of runner has the belt down, the quantity of valve pipe is two, and the symmetry installs in the both ends of plate valve shell, goes up the runner and drives the belt and rotate, and the belt drives runner down and rotates then, and lower runner drives left screw rod and right screw rod and rotates.

Preferably, the outer surface of the left bevel valve is in sliding connection with the inner surface of the plate valve housing, and the left bevel valve and the right bevel valve move towards the center in the plate valve housing until the bevel contact surface of the left bevel valve and the bevel contact surface of the right bevel valve are completely sealed and closed.

Preferably, the outer surface of right bevel connection valve and the internal surface sliding connection of plate valve shell, above function use two to move in opposite directions, have solved the unable quick problem of opening and close of traditional electrohydraulic flat valve, and special inclined plane contact surface design has strengthened sealed effect.

The beneficial effects of the utility model are as follows:

1. when the device is used, the motor is started, the output end of the motor drives the upper rotating wheel, then the upper rotating wheel drives the belt to rotate, then the belt drives the lower rotating wheel to rotate, and the lower rotating wheel drives the left screw rod and the right screw rod to rotate.

2. According to the utility model, the buffer device is arranged, when the inclined port valve is closed, fluid possibly generates a water hammer effect due to internal inertia, so that when the fluid impacts the inside of the valve pipe, the fluid impacts the bottom of the sealing piece, at the moment, the fluid impact force acts on the sealing piece, the sealing piece starts to slide up and down on the outer surface of the sliding rod, meanwhile, the top space of the sealing piece and the buffer shell is extruded to form a high-pressure space for absorbing and resisting the impact force caused by the water hammer effect, and after the impact force passes, the sealing piece is reset by the high-pressure space at the top of the buffer shell, so that the problem that the traditional electro-hydraulic flat valve cannot effectively absorb and resist the impact force of the water hammer effect is solved, and the service life of a pipeline is prolonged.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a side view of the present utility model;

fig. 4 is a schematic structural view of the buffering device of the present utility model.

In the figure: 1. a valve tube; 2. a plate valve housing; 3. a middle slide plate; 4. a bearing frame; 5. a motor; 6. a belt; 7. a lower rotating wheel; 8. an opening and closing device; 9. an upper rotating wheel; 10. a left bezel valve; 11. a left screw cylinder; 12. a left screw; 13. a right screw; 14. a right screw barrel; 15. a right bezel valve; 16. an opening and closing groove; 20. a buffer device; 21. a slide bar; 22. a buffer housing; 23. and a sealing sheet.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Examples:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a quick open and close's electrohydraulic flat valve, including valve pipe 1, the internal surface fixedly connected with plate valve shell 2 of valve pipe 1, the last fixed surface of plate valve shell 2 is connected with well slide 3, the last fixed surface of well slide 3 is connected with bearing frame 4, the last fixed surface of bearing frame 4 is connected with motor 5, the output fixedly connected with of motor 5 goes up runner 9, the internal surface of going up runner 9 is provided with belt 6, the bottom of going up runner 9 is provided with runner 7 down, runner 7 surface fixedly connected with opening and shutting device 8 down, the internal surface fixedly connected with buffer 20 of well slide 3, well slide 3 is inside to be offered and to open and shut groove 16, above function use two relative movements, the problem that traditional electrohydraulic flat valve can't open and shut fast has been solved, and special inclined plane contact surface design has strengthened sealed effect.

The opening and closing device 8 comprises a left screw barrel 11, a left screw rod 12 is connected to the inner surface of the left screw barrel 11 in a threaded mode, one end of the left screw rod 12 is fixedly connected with the outer surface of the lower rotating wheel 7, the other end of the left screw rod 12 is fixedly connected with a right screw rod 13, the outer surface of the right screw rod 13 is in threaded mode, a right screw barrel 14 is fixedly connected with a right bevel valve 15, a left bevel valve 10 is connected to the outer surface of the right bevel valve 15 in a sliding mode, and the left bevel valve 10 and the right bevel valve 15 move towards the center in the plate valve shell 2 until the inclined contact surface of the left bevel valve 10 and the inclined contact surface of the right bevel valve 15 are completely sealed and closed.

The buffer device 20 comprises a slide bar 21, the top end of the slide bar 21 is fixedly connected with a buffer shell 22, the outer surface of the buffer shell 22 is fixedly connected with the inner surface of the middle slide plate 3, the outer surface of the buffer shell 22 is fixedly connected with the inner surface of the valve tube 1, the outer surface of the slide bar 21 is in threaded connection with a sealing piece 23, the outer surface of the sealing piece 23 is in sliding connection with the inner surface of the buffer shell 22, fluid impacts the bottom of the sealing piece 23, at the moment, the fluid impact force acts on the sealing piece 23, and the sealing piece 23 starts to do up-down sliding motion on the outer surface of the slide bar 21.

The inner surface of the lower rotating wheel 7 is connected with two belts 6 in a sliding manner, the valve tubes 1 are symmetrically arranged at two ends of the plate valve shell 2, the upper rotating wheel 9 drives the belts 6 to rotate, then the belts 6 drive the lower rotating wheel 7 to rotate, and the lower rotating wheel 7 drives the left screw 12 and the right screw 13 to rotate.

The outer surface of the left bezel valve 10 is slidably coupled to the inner surface of the plate valve housing 2, and the left bezel valve 10 and the right bezel valve 15 move centrally within the plate valve housing 2 until the sloped contact surface of the left bezel valve 10 and the sloped contact surface of the right bezel valve 15 are completely sealed closed.

The outer surface of the right bevel valve 15 is in sliding connection with the inner surface of the plate valve shell 2, and the two opposite movements are used for the functions, so that the problem that a traditional electrohydraulic flat valve cannot be opened and closed quickly is solved, and the sealing effect is enhanced due to the special design of the bevel contact surface.

Working principle:

when the device is used, the motor 5 is started, the output end of the motor 5 drives the upper rotating wheel 6, then the upper rotating wheel 9 drives the belt 6 to rotate, then the belt 6 drives the lower rotating wheel 7 to rotate, the lower rotating wheel 7 drives the left screw rod 12 and the right screw rod 13 to rotate, because the left screw rod 12 and the right screw rod 13 are fixedly connected, and the surface threads of the two screw rods are oppositely arranged, the left screw cylinder 11 and the right screw cylinder 13 are respectively driven to do left-right relative translational movement, then the left inclined port valve 10 and the right inclined port valve 15 are respectively driven to move towards the center in the plate valve shell 2 until the inclined contact surface of the left inclined port valve 10 and the inclined contact surface of the right inclined port valve 15 are completely sealed and closed, and the two opposite movements are used for the functions, so that the problem that the traditional electro-hydraulic flat valve cannot be opened and closed quickly is solved, and the special inclined surface contact surface design is adopted, and the sealing effect is enhanced.

When the device is used, after the bevel valve is closed, fluid possibly generates a water hammer effect due to internal inertia, so that when the fluid impacts the inside of the valve tube 1, the fluid impacts the bottom of the sealing piece 23, at the moment, the fluid impact force acts on the sealing piece 23, the sealing piece 23 starts to slide up and down on the outer surface of the sliding rod 21, meanwhile, the top space of the sealing piece 23 and the buffer shell 22 is extruded to form a high-pressure space for absorbing and resisting the impact force caused by the water hammer effect, and after the impact force passes, the high-pressure space at the top of the buffer shell 22 enables the sealing piece 23 to reset again.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The utility model provides an electrohydraulic flat valve of quick start-stop, includes valve pipe (1), its characterized in that: the inner surface of the valve pipe (1) is fixedly connected with a plate valve shell (2), the upper surface of the plate valve shell (2) is fixedly connected with a middle sliding plate (3), the upper surface of the middle sliding plate (3) is fixedly connected with a bearing frame (4), the upper surface of the bearing frame (4) is fixedly connected with a motor (5), the output end of the motor (5) is fixedly connected with an upper rotating wheel (9), the inner surface of the upper rotating wheel (9) is provided with a belt (6), the bottom end of the upper rotating wheel (9) is provided with a lower rotating wheel (7), the outer surface of the lower rotating wheel (7) is fixedly connected with an opening and closing device (8), the inner surface of the middle sliding plate (3) is fixedly connected with a buffer device (20), and an opening and closing groove (16) is formed in the middle sliding plate (3).

2. The quick opening and closing electro-hydraulic flat valve as set forth in claim 1, wherein: the opening and closing device (8) comprises a left screw cylinder (11), a left screw rod (12) is connected to the inner surface of the left screw cylinder (11) in a threaded mode, one end of the left screw rod (12) is fixedly connected with the outer surface of the lower rotating wheel (7), the other end of the left screw rod (12) is fixedly connected with a right screw rod (13), a right screw cylinder (14) is connected to the outer surface of the right screw rod (13) in a threaded mode, a right bevel valve (15) is fixedly connected to the outer surface of the right screw cylinder (14), and a left bevel valve (10) is connected to the outer surface of the right bevel valve (15) in a sliding mode.

3. The quick opening and closing electro-hydraulic flat valve as set forth in claim 1, wherein: the buffering device (20) comprises a sliding rod (21), the top end of the sliding rod (21) is fixedly connected with a buffering shell (22), the outer surface of the buffering shell (22) is fixedly connected with the inner surface of the middle sliding plate (3), the outer surface of the buffering shell (22) is fixedly connected with the inner surface of the valve tube (1), the outer surface of the sliding rod (21) is in threaded connection with a sealing sheet (23), and the outer surface of the sealing sheet (23) is in sliding connection with the inner surface of the buffering shell (22).

4. The quick opening and closing electro-hydraulic flat valve as set forth in claim 1, wherein: the inner surface of the lower rotating wheel (7) is connected with a belt (6) in a sliding manner, and the valve tubes (1) are symmetrically arranged at two ends of the plate valve shell (2).

5. The quick opening and closing electro-hydraulic flat valve as claimed in claim 2, wherein: the outer surface of the left bevel valve (10) is in sliding connection with the inner surface of the plate valve shell (2).

6. The quick opening and closing electro-hydraulic flat valve as claimed in claim 2, wherein: the outer surface of the right bevel valve (15) is in sliding connection with the inner surface of the plate valve shell (2).