CN113007384A - Small pneumatic three-way soft switch valve - Google Patents
Small pneumatic three-way soft switch valve Download PDFInfo
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- CN113007384A CN113007384A CN202110280095.7A CN202110280095A CN113007384A CN 113007384 A CN113007384 A CN 113007384A CN 202110280095 A CN202110280095 A CN 202110280095A CN 113007384 A CN113007384 A CN 113007384A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000741 silica gel Substances 0.000 claims abstract description 13
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims description 68
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920005839 ecoflex® Polymers 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004245 inosinic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
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Abstract
The invention discloses a small-sized pneumatic three-way soft switching valve which comprises a driving valve A, a driving valve C and a slave valve B, wherein the slave valve B is positioned between the driving valve A and the driving valve C, a driving valve A working gas circuit and a driving valve A control gas circuit are arranged in a valve body of the driving valve A, a slave valve B working gas circuit is arranged in the slave valve B, a driving valve C working gas circuit and a driving valve C control gas circuit are arranged in a valve body of the driving valve C, and the on-off of the driving valve A working gas circuit, the slave valve B working gas circuit and the driving valve C working gas circuit is realized by controlling the driving valve A control gas circuit and the driving valve C control gas circuit. The pneumatic three-way soft switch valve has the advantages that the pneumatic three-way soft switch valve is made of flexible silica gel materials, can be integrated into a soft robot, has good compatibility with a soft actuator, enables the motion control of the soft actuator to be simple, improves the adaptability, reliability and stability of the soft actuator, and has wide application prospects in the field of pneumatic soft actuators.
Description
Technical Field
The invention relates to a flexible valve, in particular to a pneumatic three-way soft switch valve which is used for controlling the movement of a pneumatic soft robot.
Background
Most pneumatic soft actuators in recent years have encountered a difficulty in controlling their movement by means of solenoid valves and electronic components, which are not only difficult to integrate inside a soft robot, but also susceptible to damage under environmentally harsh conditions, such as under strong magnetic field conditions or after severe impacts. The traditional electromagnetic valve is made of metal materials, the hardness is high, the mass is large, the flexibility of the soft pneumatic actuator is influenced, the burden of the soft pneumatic actuator is increased, and the reliability is greatly influenced, so that a novel pneumatic three-way soft switch valve is necessary to be researched to solve the problems.
Disclosure of Invention
In order to solve the problems existing in the background art, the invention aims to provide a novel pneumatic three-way soft switch valve, which aims to be integrated into a soft robot to control the movement of the soft robot, so that the movement control of a soft actuator is simple. The technical scheme adopted by the invention is as follows:
a small-sized pneumatic three-way soft switching valve comprises an active valve A, an active valve C and a slave valve B, wherein the slave valve B is located between the active valve A and the active valve C, an active valve A working gas circuit and an active valve A control gas circuit are arranged in a valve body of the active valve A, a slave valve B working gas circuit is arranged in the slave valve B, an active valve C working gas circuit and an active valve C control gas circuit are arranged in a valve body of the active valve C, and the on-off of the active valve A working gas circuit, the slave valve B working gas circuit and the active valve C working gas circuit is realized by controlling the active valve A control gas circuit and the active valve C control gas circuit.
Further, the active valve A comprises an active valve A body, an active valve A soft membrane and an active valve A base are arranged at two ends of the active valve A body respectively, and two ends of an active valve A working gas circuit are located on the active valve A base respectively.
Further, the active valve C comprises an active valve C body, an active valve C soft membrane and an active valve C base are arranged at two ends of the active valve C body respectively, and two ends of an active valve C working gas circuit are located on the active valve C base respectively.
Furthermore, two ends of the slave valve B are respectively connected with the driving valve A soft membrane and the driving valve C soft membrane; one end of the working gas circuit of the slave valve B passes through the end part of the slave valve B and the extending outer part of the flexible membrane of the active valve A, and the other end of the working gas circuit of the slave valve B passes through the other end part of the slave valve B and the extending outer part of the flexible membrane of the active valve C.
Further, the active valve A, the active valve C and the slave valve B are made of flexible materials; the hardness of silica gel adopted by the base of the driving valve A, the valve body of the driving valve C and the base of the driving valve C is greater than that of the soft membrane of the driving valve A and the soft membrane of the driving valve C, and the hardness of the soft membrane of the driving valve A and the soft membrane of the driving valve C is greater than that of the silica gel of the working gas circuit of the driving valve A, the working gas circuit of the driving valve C, the valve body of the servo valve B and the working gas circuit of.
Further, the step of starting the working gas path of the slave valve B is that,
when the control gas circuit of the active valve A and the control gas circuit of the active valve C are not pressurized, the flexible films of the active valve A and the active valve C are not deformed, the working gas circuit of the active valve A and the working gas circuit of the active valve C are deformed by the downward pressure of the flexible films, the working gas circuit of the active valve A and the working gas circuit of the active valve C are stopped, the valve body of the slave valve B is not deformed, and the working gas circuit of the slave valve B is in an open state.
Further, the step of opening the working gas path of the active valve A is as follows,
when the active valve A controls the air passage to be pressurized and the active valve C controls the air passage to be not pressurized, the flexible film of the active valve A deforms upwards, the flexible film of the active valve C does not deform, the working air passage of the active valve A is opened, the working air passage of the active valve C is stopped, the valve body of the slave valve B deforms under the extrusion of the flexible film of the active valve A at the moment, so that the working air passage of the slave valve B is stopped, the working air passage of the slave valve B and the working air passage of the active valve C are closed, and the working air passage of the active valve A is opened.
Further, the step of opening the working gas path of the active valve C is that,
when the control gas circuit of the active valve A is not pressurized and the control gas circuit of the active valve C is pressurized, the soft membrane of the active valve A is not deformed, the soft membrane of the active valve C is deformed upwards, the working gas circuit of the active valve A is cut off, the working gas circuit of the active valve C is opened, the valve body of the slave valve B is extruded by the soft membrane of the active valve C to be deformed at the moment, so that the working gas circuit of the slave valve B is cut off, the working gas circuit of the active valve A and the working gas circuit of the slave valve B are closed at the moment, and the working gas.
Further, the opening steps of the working gas circuit of the active valve A and the working gas circuit of the active valve C are as follows,
when the control gas circuit of the active valve A and the control gas circuit of the active valve C are pressurized, the flexible films of the active valve A and the active valve C are deformed upwards, the working gas circuit of the active valve A and the working gas circuit of the active valve C are opened, the valve body of the slave valve B is extruded by the flexible films of the active valve A and the active valve C to deform, so that the working gas circuit of the slave valve B is deformed and stopped, the working gas circuit of the active valve A and the working gas circuit of the active valve C are opened, and the working gas circuit of the slave valve B is opened and closed.
Furthermore, when the working gas circuit of the active valve A and the working gas circuit of the active valve C are not pressurized, the shapes of the working gas circuits are V-shaped
Advantageous effects
The pneumatic three-way soft switch valve is made of flexible silica gel materials, can be integrated into a soft robot, has good compatibility with a soft actuator, enables the motion control of the soft actuator to be simple, improves the adaptability, reliability and stability of the soft actuator, and has wide application prospect in the field of pneumatic soft actuators.
Drawings
FIG. 1 is a three-dimensional cross-sectional view of an active valve A;
FIG. 2 is a three-dimensional sectional view of a spool valve B;
FIG. 3 is a schematic diagram of the operation of the active valve C;
FIG. 4 is a schematic diagram of the operation of spool valve B;
FIG. 5 is a schematic diagram of the operation of the pneumatic three-way soft switching valve;
FIG. 6 is a perspective view of the present application;
in the figure: 1. the device comprises a driving valve A soft membrane, 2, a driving valve A working gas circuit, 3, a driving valve A control gas circuit, 4, a driving valve A valve body, 5, a driving valve A base, 6, a slave valve B valve body, 7, a slave valve B working gas circuit, 8, a driving valve C soft membrane, 9, a driving valve C valve body, 10, a driving valve C control gas circuit, 11, a driving valve C working gas circuit and 12, a driving valve C base.
Detailed Description
The following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application.
Fig. 6 shows a small pneumatic three-way soft switching valve, which comprises an active valve a, an active valve C and a slave valve B, wherein the slave valve B is located between the active valve a and the active valve C.
The active valve A comprises an active valve A body 4, an active valve A soft membrane 1 and an active valve A base 5 are arranged at two ends of the active valve A body 4 respectively, and two ends of an active valve A working gas circuit 2 are located on the active valve A base 5 respectively and extend to the outside. And a working gas circuit 2 of the active valve A and a control gas circuit 3 of the active valve A are arranged in the valve body 4 of the active valve A.
The active valve C comprises an active valve C body 9, an active valve C soft membrane 8 and an active valve C base 12 are arranged at two ends of the active valve C body 9 respectively, an active valve C working gas circuit 11 and an active valve C control gas circuit 10 are arranged in the active valve C body 9, and two ends of the active valve C working gas circuit 11 are located on the active valve C base 12 respectively and extend to the outside.
The slave valve B comprises a slave valve B body 6, a slave valve B working gas circuit 7 is arranged in the slave valve B body 6, and two ends of the slave valve B body 6 are respectively connected with the driving valve A soft membrane 1 and the driving valve C soft membrane 8; one end of the working gas circuit 7 of the slave valve B penetrates through the end part of the valve body 6 of the slave valve B and the outside extending from the bottom of the flexible membrane 1 of the master valve A, and the other end penetrates through the other end part of the valve body 6 of the slave valve B and the outside extending from the top of the flexible membrane 8 of the master valve C. And the on-off of the working gas circuit of the driving valve A, the working gas circuit of the servo valve B and the working gas circuit of the driving valve C is realized by controlling the control gas circuit of the driving valve A and the control gas circuit of the driving valve C.
As shown in fig. 1, the active valve a and the active valve C have the same structure. The active valve a structure is explained in detail.
Active valve A mantle 1 splices with active valve A valve body 4, active valve A valve body 4 is opened and is had a valve opening of level, the valve opening splices and then the control valve internal pressure with active valve A control gas circuit 3, active valve A base 5 splices with active valve A valve body 4, active valve A base 5 is opened has two horizontal valve openings, two vertical valve openings, active valve A working gas circuit 2 penetrates from horizontal valve opening, wear out from vertical valve opening, penetrate by another vertical valve opening again, wear out from another horizontal valve opening, for guaranteeing the oovalve gas tightness, splice in valve opening department at active valve A base 5 and active valve A working gas circuit 2. And when the working gas circuit 2 of the active valve A and the working gas circuit 11 of the active valve C are not pressurized, the shapes of the working gas circuits are V-shaped. The active valve A and the active valve C have the same structure.
As shown in fig. 2, the slave valve B is composed of a valve body 6 of the slave valve B and a working gas circuit 7 of the slave valve B, and the valve body 6 of the slave valve B is glued with the working gas circuit 7 of the slave valve B.
As shown in fig. 3, when the control gas path 3 of the active valve a is not pressurized, the flexible membrane 1 of the active valve a is not deformed, the working gas path 2 of the active valve a is deformed by the downward pressure of the flexible membrane 1 of the active valve a, and the working gas path 2 of the active valve a is cut off; when the active valve A controls the air passage 3 to pressurize, the flexible membrane 1 of the active valve A deforms upwards, the pressurized state of the working air passage 2 of the active valve A is relieved, the shape of the working air passage 2 of the active valve A is restored (the shape is like a balloon at the moment), and the working air passage 2 of the active valve A is opened.
As shown in fig. 4, when the slave valve B is not pressed, the valve body 6 of the slave valve B is not deformed, and the working gas path 7 of the slave valve B is in an open state; when the slave valve B is pressed, the valve body 6 of the slave valve B deforms, the deformation of the valve body 6 of the slave valve B causes the deformation of the working gas circuit 7 of the slave valve B which is glued on the valve body 6 of the slave valve B, and at the moment, the working gas circuit 7 of the slave valve B is closed.
As shown in fig. 5, when the control gas path 3 of the active valve a and the control gas path 10 of the active valve C are not pressurized, the flexible membrane 1 of the active valve a and the flexible membrane 8 of the active valve C do not deform, the working gas path 2 of the active valve a and the working gas path 11 of the active valve C deform under the pressure of the flexible membranes, the working gas path 2 of the active valve a and the working gas path 11 of the active valve C are cut off, the valve body 6 of the slave valve B does not deform, the working gas path 7 of the slave valve B is in an open state, the working gas path 2 of the active valve a and the working gas path 11 of the active valve C in the three-way switch valve are closed, and the.
When the control gas circuit 2 of the active valve A is pressurized and the control gas circuit 10 of the active valve C is not pressurized, the flexible membrane 1 of the active valve A deforms and the flexible membrane 8 of the active valve C does not deform, the flexible membrane 1 of the active valve A deforms upwards, the flexible membrane 8 of the active valve C does not change, the working gas circuit 2 of the active valve A is opened, the working gas circuit 11 of the active valve C is stopped, the valve body 6 of the slave valve B is extruded by the flexible membrane 1 of the active valve A to deform, the working gas circuit 7 of the slave valve B is stopped, the working gas circuit 7 of the slave valve B and the working gas circuit 11 of the active valve C in the three-way switch valve are closed, and the working gas circuit 2 of the active valve.
When the control gas circuit 2 of the active valve A is not pressurized and the control gas circuit 10 of the active valve C is pressurized, the soft membrane 1 of the active valve A is not deformed and the soft membrane 8 of the active valve C is deformed upwards, the working gas circuit 2 of the active valve A is cut off and the working gas circuit 11 of the active valve C is opened, at the moment, the valve body 6 of the slave valve B is extruded by the soft membrane 8 of the active valve C to be deformed, so that the working gas circuit 7 of the slave valve B is deformed and cut off, the working gas circuit 2 of the active valve A and the working gas circuit 7 of the slave valve B in the three-way switch.
When the control gas circuit 2 of the active valve A and the control gas circuit 10 of the active valve C are pressurized, the flexible membrane 1 of the active valve A and the flexible membrane 8 of the active valve C are deformed, the flexible membrane 1 of the active valve A and the flexible membrane 8 of the active valve C deform upwards, the working gas circuit 2 of the active valve A and the working gas circuit 11 of the active valve C are both opened, at the moment, the valve body 6 of the slave valve B is extruded by the flexible membrane 1 of the active valve A and the flexible membrane 8 of the active valve C to deform, so that the working gas circuit 7 of the slave valve B is stopped, the working gas circuit 2 of the active valve A and the working gas circuit 11 of the active valve C in the three-way switch valve are opened, and the working gas circuit.
The three-way soft switch valve structure for controlling high-pressure low-flow gas by using low pressure is realized by controlling the opening and closing of the active valve A, the active valve C and the slave valve B through the active valve A working gas circuit 2 and the active valve C working gas circuit 11.
In specific implementation, the pressure of the gas introduced into the active valve working gas circuit 2 and the slave valve working gas circuit 7 is high, the flow rate of the gas is low, and the pressure of the gas introduced into the active valve working gas circuit 3 is low, and the flow rate of the gas is high.
In the specific implementation, the pneumatic three-way soft switch valve is made of flexible materials. Further, the active valve body 4 and the active valve base 5 are made of silica gel materials with high hardness (such as E630 silica gel); the driving valve working gas circuit 2, the slave valve body 6 and the slave valve working gas circuit 7 are made of silica gel materials with low hardness (such as Dragon Skin 10NV silica gel). The active valve A soft membrane and the active valve C soft membrane are made of silica gel materials with moderate hardness (such as Ecoflex 30 silica gel).
In the specific implementation, when no external condition interference exists and no new control signal is input into the control gas circuit of the active valve, the opening and closing conditions of the working pipeline of the pneumatic three-way soft switching valve can be always kept at the last control position, and the memory is realized.
In the concrete implementation, the shape of the deformation of the active valve A working gas circuit 2, the active valve C working gas circuit 11 and the slave valve working gas circuit 7 caused by compression can be controlled, and silica gel materials with two hardness are mixed and poured in the working gas circuit manufacturing process, so that the working gas circuit has a section with larger hardness and a section with smaller hardness, and then the deformation starts to occur from the section with smaller hardness every time when the pressure is applied, and the reliability and the stability of the soft switch valve are improved.
In specific implementation, the shapes of the sections of the valve body 4 of the driving valve A, the valve body 9 of the driving valve C and the valve body 6 of the slave valve B can be changed to control the shapes of the deformations generated by the compression of the working gas circuit 2 of the driving valve A, the working gas circuit 11 of the driving valve C and the working gas circuit 7 of the slave valve B, so that the reliability and the stability of the soft switching valve are improved.
The specific implementation process of the invention is as follows:
a pneumatic three-way soft switch valve consists of a driving valve A, a driving valve C and a follow-up valve B. When the control gas circuits of the active valve A and the active valve C are not pressurized, the flexible membrane of the active valve A and the flexible membrane of the active valve C are not deformed, the working gas circuit of the active valve A and the working gas circuit of the active valve C are deformed by the downward pressure of the flexible membranes, the working gas circuit of the active valve A and the working gas circuit of the active valve C are cut off, the valve body of the slave valve B is not deformed, the working gas circuit of the slave valve B is in an open state, the two working gas circuits of the active valve A and the active valve C in the three-way switch valve are closed, and the working gas circuit of the slave valve; when the active valve A controls the gas circuit to be pressurized and the active valve C controls the gas circuit to be not pressurized, the active valve A and the active valve C are deformed upwards, the active valve A and the active valve C are not deformed, the active valve A working gas circuit is opened and the active valve C working gas circuit is stopped, at the moment, the slave valve B valve body is extruded by the active valve A and deformed, so that the slave valve B working gas circuit is deformed and stopped, the two working gas circuits of the slave valve B and the active valve C in the three-way switch valve are closed, and the active valve A working gas circuit is opened; when the control gas circuit of the active valve A is not pressurized and the control gas circuit of the active valve C is pressurized, the soft membrane of the active valve A is not deformed, the soft membrane of the active valve C is deformed, the soft membrane of the active valve A is unchanged, the soft membrane of the active valve C is deformed upwards, the working gas circuit of the active valve A is stopped, the working gas circuit of the active valve C is opened, the valve body of the slave valve B is extruded by the soft membrane of the active valve C to be deformed at the moment, so that the working gas circuit of the slave valve B is stopped, the working gas circuits of the active valve A and the slave valve B in the three-way switch valve are closed, and the working gas circuit of; when the control gas circuit of the active valve A and the control gas circuit of the active valve C are pressurized, the soft membrane of the active valve A and the soft membrane of the active valve C are deformed upwards, the working gas circuit of the active valve A and the working gas circuit of the active valve C are both opened, the valve body of the slave valve B is extruded by the soft membrane of the active valve A and the soft membrane of the active valve C to be deformed at the moment, so that the working gas circuit of the slave valve B is deformed and stopped, the working gas circuit of the active valve A and the working gas circuit of the active valve C in the three-way switch valve are opened.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A small-sized pneumatic three-way soft switch valve is characterized by comprising a driving valve A, a driving valve C and a slave valve B, wherein the slave valve B is located between the driving valve A and the driving valve C, a driving valve A working gas circuit and a driving valve A control gas circuit are arranged in a valve body of the driving valve A, a slave valve B working gas circuit is arranged in the slave valve B, a driving valve C working gas circuit and a driving valve C control gas circuit are arranged in a valve body of the driving valve C, and the on-off of the driving valve A working gas circuit, the slave valve B working gas circuit and the driving valve C working gas circuit is realized by controlling the driving valve A control gas circuit and the driving valve C control gas circuit.
2. The small-sized pneumatic three-way soft switch valve according to claim 1, wherein the active valve A comprises an active valve A body, an active valve A soft membrane and an active valve A base are respectively arranged at two ends of the active valve A body, and two ends of the active valve A working gas circuit are respectively positioned on the active valve A base.
3. The small-sized pneumatic three-way soft switching valve according to claim 1, wherein the active valve C comprises an active valve C body, an active valve C soft membrane and an active valve C base are respectively arranged at two ends of the active valve C body, and two ends of an active valve C working gas circuit are respectively positioned on the active valve C base.
4. The small pneumatic three-way soft switch valve according to claim 1, wherein two ends of the slave valve B are respectively connected with the active valve a soft membrane and the active valve C soft membrane; one end of the working gas circuit of the slave valve B passes through the end part of the slave valve B and the extending outer part of the flexible membrane of the active valve A, and the other end of the working gas circuit of the slave valve B passes through the other end part of the slave valve B and the extending outer part of the flexible membrane of the active valve C.
5. The small pneumatic three-way soft switch valve according to claim 1, wherein the active valve a, the active valve C and the slave valve B are made of flexible materials; the hardness of silica gel adopted by the base of the driving valve A, the valve body of the driving valve C and the base of the driving valve C is greater than that of the soft membrane of the driving valve A and the soft membrane of the driving valve C, and the hardness of the soft membrane of the driving valve A and the soft membrane of the driving valve C is greater than that of the silica gel of the working gas circuit of the driving valve A, the working gas circuit of the driving valve C, the valve body of the servo valve B and the working gas circuit of.
6. The small-sized pneumatic three-way soft switch valve according to claim 1, wherein the step of opening the working gas path of the slave valve B is,
when the control gas circuit of the active valve A and the control gas circuit of the active valve C are not pressurized, the flexible films of the active valve A and the active valve C are not deformed, the working gas circuit of the active valve A and the working gas circuit of the active valve C are deformed by the downward pressure of the flexible films, the working gas circuit of the active valve A and the working gas circuit of the active valve C are stopped, the valve body of the slave valve B is not deformed, and the working gas circuit of the slave valve B is in an open state.
7. The small-sized pneumatic three-way soft body switch valve according to claim 1, wherein the active valve A working gas path opening step is,
when the active valve A controls the air passage to be pressurized and the active valve C controls the air passage to be not pressurized, the flexible film of the active valve A deforms upwards, the flexible film of the active valve C does not deform, the working air passage of the active valve A is opened, the working air passage of the active valve C is stopped, the valve body of the slave valve B deforms under the extrusion of the flexible film of the active valve A at the moment, so that the working air passage of the slave valve B is stopped, the working air passage of the slave valve B and the working air passage of the active valve C are closed, and the working air passage of the active valve A is opened.
8. The small-sized pneumatic three-way soft body switch valve according to claim 1, wherein the active valve C is opened by the working gas path,
when the control gas circuit of the active valve A is not pressurized and the control gas circuit of the active valve C is pressurized, the soft membrane of the active valve A is not deformed, the soft membrane of the active valve C is deformed upwards, the working gas circuit of the active valve A is cut off, the working gas circuit of the active valve C is opened, the valve body of the slave valve B is extruded by the soft membrane of the active valve C to be deformed at the moment, so that the working gas circuit of the slave valve B is cut off, the working gas circuit of the active valve A and the working gas circuit of the slave valve B are closed at the moment, and the working gas.
9. The small-sized pneumatic three-way soft body switch valve according to claim 1, wherein the opening steps of the active valve A working gas circuit and the active valve C working gas circuit are as follows,
when the control gas circuit of the active valve A and the control gas circuit of the active valve C are pressurized, the flexible films of the active valve A and the active valve C are deformed upwards, the working gas circuit of the active valve A and the working gas circuit of the active valve C are opened, the valve body of the slave valve B is extruded by the flexible film of the active valve A and the flexible film of the active valve C to be deformed, the working gas circuit of the slave valve B is stopped, the working gas circuit of the active valve A and the working gas circuit of the active valve C are opened, and the working gas circuit of the slave valve B is closed.
10. The small pneumatic three-way soft body switch valve according to claim 1, wherein the active valve A working gas path and the active valve C working gas path are V-shaped when not pressurized.
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| CN202110280095.7A CN113007384B (en) | 2021-03-16 | 2021-03-16 | Small pneumatic three-way soft switch valve |
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| CN202110280095.7A CN113007384B (en) | 2021-03-16 | 2021-03-16 | Small pneumatic three-way soft switch valve |
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| CN113007384B CN113007384B (en) | 2022-01-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1414618A1 (en) * | 1985-12-20 | 1988-08-07 | Конструкторско-технологическое бюро "Мосоргстройматериалы" | Module of industrial robot |
| GB9515179D0 (en) * | 1994-08-01 | 1995-09-20 | Merck & Co Inc | Gripping apparatus |
| CN1550700A (en) * | 2003-05-13 | 2004-12-01 | ������������ʽ���� | Pipe valve,pipe valve device and head cleaning device |
| CN109185554A (en) * | 2018-09-30 | 2019-01-11 | 浙江大学 | A kind of miniature flexible valve of voice coil driving |
| CN110425319A (en) * | 2019-08-27 | 2019-11-08 | 上海大学 | A kind of pressure relief valve body of flexibility binary channels control |
-
2021
- 2021-03-16 CN CN202110280095.7A patent/CN113007384B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1414618A1 (en) * | 1985-12-20 | 1988-08-07 | Конструкторско-технологическое бюро "Мосоргстройматериалы" | Module of industrial robot |
| GB9515179D0 (en) * | 1994-08-01 | 1995-09-20 | Merck & Co Inc | Gripping apparatus |
| CN1550700A (en) * | 2003-05-13 | 2004-12-01 | ������������ʽ���� | Pipe valve,pipe valve device and head cleaning device |
| CN109185554A (en) * | 2018-09-30 | 2019-01-11 | 浙江大学 | A kind of miniature flexible valve of voice coil driving |
| CN110425319A (en) * | 2019-08-27 | 2019-11-08 | 上海大学 | A kind of pressure relief valve body of flexibility binary channels control |
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| CN113007384B (en) | 2022-01-04 |
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