CN216112269U - Pneumatic high-vacuum gate valve - Google Patents
Pneumatic high-vacuum gate valve Download PDFInfo
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- CN216112269U CN216112269U CN202121767273.0U CN202121767273U CN216112269U CN 216112269 U CN216112269 U CN 216112269U CN 202121767273 U CN202121767273 U CN 202121767273U CN 216112269 U CN216112269 U CN 216112269U
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Abstract
A pneumatic high-vacuum gate valve relates to the technical field of gate valves. The cylinder block is installed on the top of valve body, the cylinder section of thick bamboo is installed on the top of cylinder block, the mechanism of admitting air is installed on the right side of cylinder section of thick bamboo, and admit air the mechanism and be linked together with the cylinder section of thick bamboo, the sensor device is installed in the left side of cylinder section of thick bamboo, be equipped with the piston in the cylinder section of thick bamboo, the piston rod piston is connected, the piston rod is connected with the piston rod, the piston rod is through first push rod, connecting piece and second push rod and push pedal swing joint, install the steel ball on the push pedal, the bottom of push pedal is through locating part and shell fragment swing joint, the bilateral symmetry of shell fragment is equipped with the valve plate, the inboard of valve plate is equipped with the steel ball groove, first pulley is installed in the front four corners of push pedal, the second pulley is installed to the both sides face of push pedal. The utility model prolongs the service life of the valve body and the push plate, effectively reduces the friction between the valve plate and the valve body, prolongs the service life of the valve plate and the valve body, and has more stable stroke control of opening and closing of the valve plate and more stable sealing effect.
Description
Technical Field
The utility model relates to the technical field of gate valves, in particular to an improvement of a pneumatic high-vacuum gate valve.
Background
The gate valve is a main control device for the flow or conveying capacity of powder, crystal granules, granules and small materials, and is widely used in industries such as metallurgy, mine, building materials, grain, chemical engineering and the like to control the flow change or rapidly cut off. The pneumatic gate valve has the advantages of simple structure, flexible operation, light weight, no blocking, particular suitability for conveying and flow regulation of various solid materials and about 50mm blocky and bulk materials, no angle limitation in installation and convenient operation. The gate valve is an important valve body for isolating two adjacent spaces in the vacuum industry, and is widely applied to various vacuum equipment for isolating two areas with different vacuum degrees or isolating a vacuum environment from other gas environments.
When current vacuum push-pull valve carries out the switch, with valve body frictional contact between the push pedal, easy wearing and tearing have reduced the practical life of push pedal and valve body, and the valve plate also is the closure that directly extrudees the valve body and realizes the valve body simultaneously, directly draws the ware valve plate when opening, and the valve plate rubs with the valve body inner wall, causes the wearing and tearing of valve plate and valve body, easily appears gas leakage phenomenon after using a period, seriously influences the life of push-pull valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings of the prior art, and provides a pneumatic high-vacuum gate valve, wherein the valve plate and the valve body cannot be abraded, the service lives of the valve body and a push plate are prolonged, the friction between the valve plate and the valve body is effectively reduced, the service lives of the valve plate and the valve body are prolonged, the stroke control of opening and closing of the valve plate is more stable, and the sealing effect is more stable.
In order to achieve the purpose, the utility model adopts the following technical scheme: the air intake valve comprises a valve body 1, a cylinder seat 2, a cylinder barrel 3, a cylinder cover 4, an air intake mechanism 5, a sensor device 6, a piston 7, a guide ring 8, a contact head 9, a piston rod 10, a connecting plate 11, a first push rod 12, a fixed seat 13, a second push rod 14, a push plate 15, a steel ball 16, an elastic sheet 17, a limiting member 18, a valve plate 19, a steel ball groove 20, a first pulley 21 and a second pulley 22, wherein the cylinder seat 2 is installed at the top end of the valve body 1, the cylinder barrel 3 is installed at the top end of the cylinder seat 2, the cylinder cover 4 is installed at the top end of the cylinder barrel 3, the air intake mechanism 5 is installed at the right side of the cylinder barrel 3, the air intake mechanism 5 is communicated with the cylinder barrel 3, the sensor device 6 is installed at the left side of the cylinder barrel 3, the piston 7 is arranged in the cylinder barrel 3, the guide ring 8 is arranged at the outer side of the bottom end of the piston 7, one end of the guide ring 8 close to the sensor device 6 is fixedly connected with the contact head 9, the top end of the piston rod 10 penetrates through the top end of the cylinder seat 2 to be connected with the piston 7, the bottom end of the piston rod 10 is movably connected with a first push rod 12 through a connecting plate 11, the top end of the first push rod 12 is movably connected with a fixed seat 13, the upper end of the fixed seat 13 is fixedly connected to the top end of the left side inside the valve body 1, the bottom end of the first push rod 12 is movably connected with a second push rod 14, the bottom end of the second push rod 14 is movably connected with a push plate 15, steel balls 16 are installed on the front surface and the back surface of the push plate 15, the bottom end of the push plate 15 is movably connected with an elastic sheet 17 through a limiting piece 18, valve plates 19 are symmetrically arranged on two sides of the elastic sheet 17, steel ball grooves 20 are formed in the inner sides of the valve plates 19, first pulleys 21 are installed on four corners of the front surface of the push plate 15, and second pulleys 22 are installed on the left side surface and the right side surface of the push plate 15.
Further, the air intake mechanism 5 comprises a first mounting plate 51, a first air passage 52, a second air passage 53, an electromagnetic valve 54 and an air inlet 55, wherein the first mounting plate 51 is mounted on the right side wall of the cylinder barrel 3, the first air passage 52 and the second air passage 53 are arranged in the first mounting plate 51, the electromagnetic valve 54 is mounted on the right side of the first mounting plate 51, and the air inlet 55 is arranged on the electromagnetic valve 55.
Further, the sensor device 6 comprises a second mounting plate 61, a sensing connector 62, a first sensor 63 and a second sensor 64, wherein the second mounting plate 61 is mounted on the left side wall of the cylinder barrel 3, the sensing connector 62 is arranged at the top end of the second mounting plate 61, the first sensor 63 is mounted on the middle portion of the first mounting plate 61 on the side close to the cylinder barrel 3, and the second sensor 64 is mounted on the lower end of the first mounting plate 61 on the side close to the cylinder barrel 3.
Furthermore, a corrugated pipe 23 is sleeved on the outer side of the upper end of the piston rod 10.
Further, a sealing ring 24 is arranged on one side of the valve plate 19 away from the push plate 15.
Furthermore, the middle part of the lower end of the elastic sheet 17 is provided with a limiting groove 171, and one end of the limiting member 18 penetrates through the limiting groove 171 to be fixedly connected with the push plate 15. After the push plate 15 moves upwards for a certain distance through the limiting groove 171, the limiting piece 18 is clamped through the limiting groove 171, so that the elastic sheet 17 and the push plate 15 move synchronously.
The working principle of the utility model is as follows: when the valve needs to be opened, air is fed from the air inlet 55, the electromagnetic valve 54 controls the air inlet 55 to be communicated with the second air passage 53, the air enters the lower end of the piston 7 through the second air passage 53, the piston 7 is further driven to move upwards, the piston rod 10 moves upwards, the piston rod 10 enables the first push rod 12 to rotate upwards along the top end of the first push rod 12 through the connecting plate 11, the second push rod 14 is further pulled to move upwards, the push plate 15 is pulled by the second push rod 14 to move upwards, when the push plate 15 moves upwards, the first pulley 21 and the second pulley 22 arranged on the push handle 15 guide the push handle 15 to slide on the inner wall of the valve body 1, so that the push plate 15 moves upwards and downwards more smoothly, the friction between the push plate 15 and the inner wall of the valve body 1 is reduced, meanwhile, after the push ball 16 slides to the position of the ball groove 20 after the push plate 15 moves upwards for a certain distance, the extrusion force of the ball 16 on the valve plate 19 is reduced, at this time, the limiting member 18 is clamped by the limiting groove 171, so that the elastic sheet 17 and the push plate 15 move synchronously, the elastic sheet 17 drives the valve plate 19 to move upwards together by an outward elastic force, the valve is opened at this time, after the piston 7 moves upwards for a certain distance continuously, the contact 9 touches the first sensor 63, a signal is transmitted by the sensing connector 62, so that the electromagnetic valve 54 is communicated with the air inlet 55 and the first air passage 52, air enters the top end of the piston 7 through the first air passage 52 and enters the driving piston 7 and the piston rod 10 to move downwards, the piston rod 10 pushes the push plate 15 to move downwards through the connecting plate 11, the first push rod 12 and the second push rod 14, so that the valve plate 19 and the elastic sheet 17 move downwards together, when the bottom end of the elastic sheet 17 contacts with the inner bottom end of the valve body 1, the elastic sheet 17 and the valve plate 19 stop moving, and the push plate 15 moves downwards for a certain distance continuously, in the process, the steel balls 16 on two sides of the push plate 15 leave the steel groove 20, the two valve plates 19 are pushed to be expanded outwards, namely the closing of the valve is completed.
After the technical scheme is adopted, the utility model has the beneficial effects that: the first pulley and the second pulley are arranged to ensure that the push plate can stably move up and down, the push plate is not in direct friction contact with the inner wall of the valve body, the valve plate is not abraded with the valve body, and the service lives of the valve body and the push plate are prolonged; through setting up valve plate, push pedal, shell fragment, steel ball groove, realize the big or small change to the extrusion force of steel ball to the valve plate through the position that changes the steel ball on the valve plate, and then realize opening and closing to the valve body, the steel ball is minimum to the extrusion force of valve plate when the valve body is opened, the effectual friction that has reduced valve plate and valve body improves the life of valve plate and valve body, and opening and closed stroke control of valve plate is more stable, and sealed effect is more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right-view structural diagram corresponding to FIG. 1;
FIG. 3 is an internal structural schematic of the present invention;
FIG. 4 is a schematic side view of the internal structure of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 3;
FIG. 6 is an enlarged view of the structure at B in FIG. 4;
FIG. 7 is an enlarged view of the structure of FIG. 3 at C;
FIG. 8 is a schematic structural view of a push plate 15 according to the present invention;
fig. 9 is a schematic structural view of the elastic sheet 17 of the present invention.
Description of reference numerals: the air inlet valve comprises a valve body 1, a cylinder seat 2, a cylinder barrel 3, a cylinder cover 4, an air inlet mechanism 5, a sensor device 6, a piston 7, a guide ring 8, a contact head 9, a piston rod 10, a connecting plate 11, a first push rod 12, a fixed seat 13, a second push rod 14, a push plate 15, a steel ball 16, an elastic sheet 17, a limiting groove 171, a limiting part 18, a valve plate 19, a steel ball groove 20, a first pulley 21, a second pulley 22, a corrugated pipe 23 and a sealing ring 24.
Detailed Description
Referring to fig. 1 to 9, the technical solution adopted by the present embodiment is: the air intake valve comprises a valve body 1, a cylinder seat 2, a cylinder barrel 3, a cylinder cover 4, an air intake mechanism 5, a sensor device 6, a piston 7, a guide ring 8, a contact head 9, a piston rod 10, a connecting plate 11, a first push rod 12, a fixed seat 13, a second push rod 14, a push plate 15, a steel ball 16, an elastic sheet 17, a limiting member 18, a valve plate 19, a steel ball groove 20, a first pulley 21 and a second pulley 22, wherein the cylinder seat 2 is installed at the top end of the valve body 1, the cylinder barrel 3 is installed at the top end of the cylinder seat 2, the cylinder cover 4 is installed at the top end of the cylinder barrel 3, the air intake mechanism 5 is installed at the right side of the cylinder barrel 3, the air intake mechanism 5 is communicated with the cylinder barrel 3, the sensor device 6 is installed at the left side of the cylinder barrel 3, the piston 7 is arranged in the cylinder barrel 3, the guide ring 8 is arranged at the outer side of the bottom end of the piston 7, one end of the guide ring 8 close to the sensor device 6 is fixedly connected with the contact head 9, the top end of the piston rod 10 penetrates through the top end of the cylinder seat 2 to be connected with the piston 7, the bottom end of the piston rod 10 is movably connected with a first push rod 12 through a connecting plate 11, the top end of the first push rod 12 is movably connected with a fixed seat 13, the upper end of the fixed seat 13 is fixedly connected to the top end of the left side inside the valve body 1, the bottom end of the first push rod 12 is movably connected with a second push rod 14, the bottom end of the second push rod 14 is movably connected with a push plate 15, steel balls 16 are installed on the front surface and the back surface of the push plate 15, the bottom end of the push plate 15 is movably connected with an elastic sheet 17 through a limiting piece 18, valve plates 19 are symmetrically arranged on two sides of the elastic sheet 17, steel ball grooves 20 are formed in the inner sides of the valve plates 19, first pulleys 21 are installed on four corners of the front surface of the push plate 15, and second pulleys 22 are installed on the left side surface and the right side surface of the push plate 15.
Preferably, the air intake mechanism 5 includes a first mounting plate 51, a first air passage 52, a second air passage 53, an electromagnetic valve 54, and an air intake 55, wherein the first mounting plate 51 is mounted on the right side wall of the cylinder 3, the first air passage 52 and the second air passage 53 are provided in the first mounting plate 51, the electromagnetic valve 54 is mounted on the right side of the first mounting plate 51, and the air intake 55 is provided on the electromagnetic valve 55.
Preferably, the sensor device 6 comprises a second mounting plate 61, a sensing connector 62, a first sensor 63 and a second sensor 64, wherein the second mounting plate 61 is mounted on the left side wall of the cylinder 3, the sensing connector 62 is arranged on the top end of the second mounting plate 61, the first sensor 63 is mounted on the middle portion of the first mounting plate 61 on the side close to the cylinder 3, and the second sensor 64 is mounted on the lower end of the first mounting plate 61 on the side close to the cylinder 3.
Preferably, a bellows 23 is sleeved outside the upper end of the piston rod 10.
Preferably, a sealing ring 24 is arranged on one side of the valve plate 19 far away from the push plate 15.
Preferably, the middle part of the lower end of the elastic sheet 17 is provided with a limiting groove 171, one end of the limiting member 18 penetrates through the limiting groove 171 to be fixedly connected with the push plate 15, and after the push plate 15 moves upwards for a certain distance through the limiting groove 171, the limiting member 18 is clamped through the limiting groove 171, so that the elastic sheet 17 and the push plate 15 move synchronously.
The working principle of the utility model is as follows: when the valve needs to be opened, air is fed from the air inlet 55, the electromagnetic valve 54 controls the air inlet 55 to be communicated with the second air passage 53, the air enters the lower end of the piston 7 through the second air passage 53, the piston 7 is further driven to move upwards, the piston rod 10 moves upwards, the piston rod 10 enables the first push rod 12 to rotate upwards along the top end of the first push rod 12 through the connecting plate 11, the second push rod 14 is further pulled to move upwards, the push plate 15 is pulled by the second push rod 14 to move upwards, when the push plate 15 moves upwards, the first pulley 21 and the second pulley 22 arranged on the push handle 15 guide the push handle 15 to slide on the inner wall of the valve body 1, so that the push plate 15 moves upwards and downwards more smoothly, the friction between the push plate 15 and the inner wall of the valve body 1 is reduced, meanwhile, after the push ball 16 slides to the position of the ball groove 20 after the push plate 15 moves upwards for a certain distance, the extrusion force of the ball 16 on the valve plate 19 is reduced, at this time, the limiting member 18 is clamped by the limiting groove 171, so that the elastic sheet 17 and the push plate 15 move synchronously, the elastic sheet 17 drives the valve plate 19 to move upwards together by an outward elastic force, the valve is opened at this time, after the piston 7 moves upwards for a certain distance continuously, the contact 9 touches the first sensor 63, a signal is transmitted by the sensing connector 62, so that the electromagnetic valve 54 is communicated with the air inlet 55 and the first air passage 52, air enters the top end of the piston 7 through the first air passage 52 and enters the driving piston 7 and the piston rod 10 to move downwards, the piston rod 10 pushes the push plate 15 to move downwards through the connecting plate 11, the first push rod 12 and the second push rod 14, so that the valve plate 19 and the elastic sheet 17 move downwards together, when the bottom end of the elastic sheet 17 contacts with the inner bottom end of the valve body 1, the elastic sheet 17 and the valve plate 19 stop moving, and the push plate 15 moves downwards for a certain distance continuously, in the process, the steel balls 16 on two sides of the push plate 15 leave the steel groove 20, the two valve plates 19 are pushed to be expanded outwards, namely the closing of the valve is completed.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a pneumatic high vacuum gate valve which characterized in that: the air intake valve comprises a valve body (1), a cylinder seat (2), a cylinder barrel (3), a cylinder cover (4), an air intake mechanism (5), a sensor device (6), a piston (7), a guide ring (8), a contact head (9), a piston rod (10), a connecting plate (11), a first push rod (12), a fixed seat (13), a second push rod (14), a push plate (15), steel balls (16), an elastic sheet (17), a limiting piece (18), a valve plate (19), a steel ball groove (20), a first pulley (21) and a second pulley (22), wherein the cylinder seat (2) is installed at the top end of the valve body (1), the cylinder barrel (3) is installed at the top end of the cylinder seat (2), the cylinder cover (4) is installed at the top end of the cylinder barrel (3), the air intake mechanism (5) is installed on the right side of the cylinder barrel (3), the air intake mechanism (5) is communicated with the cylinder barrel (3), the sensor device (6) is installed on the left side of the cylinder barrel (3), a piston (7) is arranged in the cylinder barrel (3), a guide ring (8) is arranged on the outer side of the bottom end of the piston (7), one end of the guide ring (8) close to the sensor device (6) is fixedly connected with a contact head (9), the top end of the piston rod (10) penetrates through the top end of the cylinder seat (2) to be connected with the piston (7), the bottom end of the piston rod (10) is movably connected with a first push rod (12) through a connecting plate (11), the top end of the first push rod (12) is movably connected with a fixed seat (13), the upper end of the fixed seat (13) is fixedly connected with the top end of the left side in the valve body (1), the bottom end of the first push rod (12) is movably connected with a second push rod (14), the bottom end of the second push rod (14) is movably connected with a push plate (15), steel balls (16) are arranged on the front side and the back side of the push plate (15), and the bottom end of the push plate (15) is movably connected with an elastic sheet (17) through a limiting piece (18), the two sides of the elastic sheet (17) are symmetrically provided with a valve plate (19), the inner side of the valve plate (19) is provided with a steel ball groove (20), the four corners of the front surface of the push plate (15) are provided with first pulleys (21), and the left side surface and the right side surface of the push plate (15) are provided with second pulleys (22).
2. A pneumatic high vacuum gate valve according to claim 1, characterized in that: air inlet mechanism (5) contain first mounting panel (51), first air flue (52), second air flue (53), solenoid valve (54), air inlet (55), first mounting panel (51) are installed at the right side wall of cylinder section of thick bamboo (3), are equipped with first air flue (52) and second air flue (53) in first mounting panel (51), and solenoid valve (54) are installed on the right side of first mounting panel (51), and air inlet (55) set up on solenoid valve (54).
3. A pneumatic high vacuum gate valve according to claim 1, characterized in that: the sensor device (6) comprises a second mounting plate (61), a sensor joint (62), a first sensor (63) and a second sensor (64), wherein the second mounting plate (61) is mounted on the left side wall of the cylinder barrel (3), the sensor joint (62) is arranged at the top end of the second mounting plate (61), the first sensor (63) is mounted on one side, close to the cylinder barrel (3), of the middle of the second mounting plate (61), and the second sensor (64) is mounted on one side, close to the cylinder barrel (3), of the lower end of the second mounting plate (61).
4. A pneumatic high vacuum gate valve according to claim 1, characterized in that: the outer side of the upper end of the piston rod (10) is sleeved with a corrugated pipe (23).
5. A pneumatic high vacuum gate valve according to claim 1, characterized in that: and a sealing ring (24) is arranged on one side of the valve plate (19) far away from the push plate (15).
6. A pneumatic high vacuum gate valve according to claim 1, characterized in that: the middle part of the lower end of the elastic sheet (17) is provided with a limiting groove (171), and one end of the limiting piece (18) penetrates through the limiting groove (171) to be fixedly connected with the push plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121767273.0U CN216112269U (en) | 2021-12-18 | 2021-12-18 | Pneumatic high-vacuum gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121767273.0U CN216112269U (en) | 2021-12-18 | 2021-12-18 | Pneumatic high-vacuum gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216112269U true CN216112269U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121767273.0U Active CN216112269U (en) | 2021-12-18 | 2021-12-18 | Pneumatic high-vacuum gate valve |
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| CN (1) | CN216112269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435101A (en) * | 2022-11-03 | 2022-12-06 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Large electrically-driven rectangular vacuum gate valve and motion control method |
| CN117469414A (en) * | 2023-12-27 | 2024-01-30 | 四川九天真空科技有限公司 | Side drive gate valve and driving system |
-
2021
- 2021-12-18 CN CN202121767273.0U patent/CN216112269U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115435101A (en) * | 2022-11-03 | 2022-12-06 | 中国空气动力研究与发展中心设备设计与测试技术研究所 | Large electrically-driven rectangular vacuum gate valve and motion control method |
| CN117469414A (en) * | 2023-12-27 | 2024-01-30 | 四川九天真空科技有限公司 | Side drive gate valve and driving system |
| CN117469414B (en) * | 2023-12-27 | 2024-04-30 | 四川九天真空科技有限公司 | Side drive gate valve and driving system |
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