CN218294459U - Pneumatic control duplex flow amplifier - Google Patents
Pneumatic control duplex flow amplifier Download PDFInfo
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- CN218294459U CN218294459U CN202222617702.7U CN202222617702U CN218294459U CN 218294459 U CN218294459 U CN 218294459U CN 202222617702 U CN202222617702 U CN 202222617702U CN 218294459 U CN218294459 U CN 218294459U
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Abstract
The utility model relates to a gas accuse pair flow amplifier, its technical scheme main points are: the method comprises the following steps: the integrated base is used for receiving an input air source and outputting amplified airflow; the first flow amplifier is used for changing the gas flow of the integrated base input gas source; the second flow amplifier is used for changing the gas flow of the integrated base input gas source; the first air inlet is used for inputting a power air source and is arranged on one side of the integrated base; the first air outlet is used for outputting amplified airflow and is arranged on the other side of the integrated base; the second air inlet is used for controlling the input of an air source and is respectively arranged at the upper ends of the first flow amplifier and the second flow amplifier; the pneumatic duplex control system has the advantages of being capable of achieving the pneumatic duplex control effect of the flow amplifier and being smaller in equipment size.
Description
Technical Field
The utility model relates to the technical field of equipment, more specifically say, it relates to a gas accuse duplex flow amplifier.
Background
The air flow amplifier is a pneumatic element which is widely used in the industrial field and works by utilizing the coanda effect, the air flow amplifier can convert low-flow high-pressure compressed air into low-pressure high-flow air flow, a negative pressure effect is generated at the air inlet end of the air flow amplifier, a vacuum low-pressure area is generated, and the area has a strong vacuum adsorption function and can be used for pneumatically and vacuum-sucking solid particles and oil smoke mist.
Chinese utility model patent with publication number CN216519885U discloses a fast exhaust type flow amplifier, which plays a role in flow amplification and can replace a fast exhaust valve to open and close a valve quickly, however, it is a single-acting valve body, and has a single function, and cannot achieve the effect of controlling the conduction of air flow in the amplifier in a pneumatic manner, and thus needs to be improved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a gas accuse pair flow amplifier has the pneumatic pair control effect that can realize the flow amplifier and the advantage that the equipment volume is littleer.
The above technical purpose of the present invention can be achieved by the following technical solutions: a pneumatically controlled dual flow amplifier comprising: the integrated base is used for receiving an input air source and outputting amplified airflow; the first flow amplifier is used for changing the gas flow of the integrated base input gas source; the second flow amplifier is used for changing the gas flow of the integrated base input gas source; the first air inlet is used for inputting a power air source and is arranged on one side of the integrated base; the first air outlet is used for outputting amplified airflow and is arranged on the other side of the integrated base; the second air inlet is used for controlling the input of an air source and is respectively arranged at the upper ends of the first flow amplifier and the second flow amplifier; the first flow amplifier and the second flow amplifier are both arranged on the integrated base; the first air inlet is respectively communicated with the first flow amplifier and the second flow amplifier; the first air outlet is respectively communicated with the first flow amplifier and the second flow amplifier.
Alternatively to this, the first and second parts may, the first flow amplifier includes: the valve comprises a valve body, a sealing assembly for controlling the on-off of an air path in the valve body, an upper cover assembly for controlling the input of an air source into the valve body and driving the sealing assembly, and a slide valve assembly for tightly propping the sealing assembly and controlling the on-off of the air path between the valve body and the integrated base; the second air inlet is arranged at the upper end of the upper cover assembly; the valve body is arranged on the integrated base and is respectively communicated with the first air inlet and the first air outlet; the upper cover assembly is mounted on the valve body; the sealing assembly is movably arranged in the valve body, and one end of the sealing assembly is abutted against the upper cover assembly; the sliding valve assembly is arranged on the valve body in a sliding mode; one end of the sliding valve assembly is abutted to the integrated base, and the other end of the sliding valve assembly is abutted to the sealing assembly.
Optionally, a chamber capable of changing the gas flow of the input gas source and generating amplified gas flow is arranged in the valve body; a plurality of exhaust holes for exhausting the gas are formed in the valve body; the chamber is in communication with the first inlet port and the first outlet port, respectively.
Optionally, the upper cover assembly includes: an upper cover body; the lower end of the upper cover body is provided with a first spring and a spring protection sleeve correspondingly matched with the first spring; the second air inlet is arranged at the upper end of the upper cover body; one end of the spring protection sleeve is sleeved on the first spring, and the other end of the spring protection sleeve is abutted to the sealing assembly.
Optionally, an adjusting screw capable of controlling the gas pressure in the cavity and an adjusting nut capable of adjusting the working position of the adjusting screw are arranged on the upper cover body; one end of the adjusting nut is in threaded connection with the adjusting screw, and the other end of the adjusting nut is abutted to the upper cover body.
Optionally, the sealing assembly includes: the supporting block is used for controlling the on-off of an air path in the valve body, and the upper diaphragm and the lower diaphragm can buffer the supporting block; the supporting block is movably arranged in the valve body; the upper diaphragm is arranged at the upper end of the supporting block and is abutted against the spring protection sleeve; the lower diaphragm is arranged at the lower end of the supporting block and is respectively abutted against the valve body and the slide valve assembly.
Optionally, the slide valve assembly comprises: the sealing body is used for controlling the on-off of an air path between the cavity and the integrated base, the supporting column is used for driving the sealing body to move, and the second spring is used for enabling the supporting column to reset after moving; the supporting column is arranged in the valve body in a sliding mode and is abutted to the lower membrane; the sealing body is arranged on the supporting column and is abutted against the valve body; the second spring is sleeved on the supporting column; one end of the second spring is abutted to the sealing body, and the other end of the second spring is abutted to the integrated base.
Optionally, the sealing body is a tapered elastic sealing body.
To sum up, the utility model discloses following beneficial effect has:
1. in the application, two flow amplifiers share one processing base and form a duplex flow amplifier, and the effect of realizing the air flow conduction in the amplifier in a pneumatic control mode can be achieved through second air inlets on the two flow amplifiers; first air inlet and first gas outlet all set up on the integral type base, therefore the integral type base both can receive power air supply but also exports and enlarge the air current, has reduced the space and has taken.
2. The duplex flow amplifier directly adopts the processing channel to ventilate, not only can reduce the connecting joint of the two amplifiers and reduce leakage points and save cost, but also can be more conveniently applied to double-acting pneumatic equipment, conveniently realizes the connection pipe control of the switch action between the two amplifiers, and is convenient to install and move towards pipelines particularly when split control is adopted.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic front view of the present invention;
fig. 3 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A in fig. 2.
In the figure: 1. an integral base; 21. a first flow amplifier; 22. a second flow amplifier; 3. a first air inlet; 4. a first air outlet; 5. a second air inlet; 61. a valve body; 62. a seal assembly; 63. an upper cover assembly; 64. a spool valve assembly; 71. a chamber; 72. an exhaust hole; 81. an adjusting screw; 82. adjusting the nut; 91. a seal body; 92. a support pillar; 93. a second spring.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 3, the utility model provides a pneumatic control duplex flow amplifier, which comprises: the integrated base 1 is used for receiving an input air source and outputting amplified airflow; the first flow amplifier 21 is used for changing the gas flow of the input gas source of the integrated base 1; a second flow amplifier 22 for changing the gas flow of the input gas source of the integrated base 1; the first air inlet 3 is used for inputting a power air source, and the first air inlet 3 is arranged on one side of the integrated base 1; the first air outlet 4 is used for outputting amplified airflow, and the first air outlet 4 is arranged on the other side of the integrated base 1; a second air inlet 5 for controlling the input of air source, the second air inlet 5 is respectively arranged at the upper ends of the first flow amplifier 21 and the second flow amplifier 22; the first flow amplifier 21 and the second flow amplifier 22 are both arranged on the integrated base 1; the first intake port 3 communicates with the first flow amplifier 21 and the second flow amplifier 22, respectively; the first air outlet 4 is communicated with the first flow amplifier 21 and the second flow amplifier 22 respectively.
In this embodiment, the first flow amplifier 21 and the second flow amplifier 22 are respectively installed at two sides of the upper end of the integrated base 1, the side surface of the integrated base 1 is provided with first air outlets 4 corresponding to the lower ends of the first flow amplifier 21 and the second flow amplifier 22, the integrated base 1 is provided with first air inlets 3 penetrating through the integrated base 1, and the first air inlets 3 are communicated with the two first air outlets 4;
after the first air inlet 3 inputs a power air source, the power air source can form amplified air flows through the first flow amplifier 21 and the second flow amplifier 22 respectively, and then the amplified air flows are output from the corresponding first air outlet 4; the first flow amplifier 21 and the second flow amplifier 22 are both provided with a second air inlet 5, the second air inlet 5 can be used for inputting an external control air source, and after the control air source is input into the flow amplifier, the air flow in the flow amplifier can be adjusted in a pneumatic mode (the principle is the same as that of a pneumatic adjusting valve), so that the pneumatic duplex control effect of the flow amplifier is achieved;
the utility model provides a gas accuse pair flow amplifier's theory of operation as follows:
(1) after a power air source is provided at the first air inlet 3, a control air source is input at the second air inlet 5, at the moment, the first air inlet 3 is communicated with the first air outlet 4, and the first air outlet 4 can output airflow with amplified flow; (2) after a power air source is provided at the first air inlet 3, a control air source is cut off at the second air inlet 5, at the moment, the first air inlet 3 is not communicated with the first air outlet 4, the first air outlet 4 does not output air flow, and the air input into the flow amplifier is exhausted from a tiny air outlet on the side wall of the flow amplifier;
because the pneumatic control duplex flow amplifier of the application shares one processing base through two flow amplifiers (the first flow amplifier 21 and the second flow amplifier 22) and forms a duplex flow amplifier together, and the first air inlet 3 and the first air outlet 4 are both arranged on the integrated base 1, the integrated base can receive a power air source and output amplified air flow, the space occupation of equipment is reduced, and the volume of the equipment is smaller; the duplex flow amplifier directly adopts a processing channel (the first air inlet 3 which is arranged in a penetrating way) for ventilation, so that the connecting joints of the two amplifiers can be reduced, the leakage point is reduced, the cost is saved, the duplex flow amplifier can be more conveniently applied to double-acting pneumatic equipment, the control of a connecting pipe for switching action between the two amplifiers is conveniently realized, and the duplex flow amplifier is convenient to install and move towards pipelines particularly when adopting split control.
Further, the first flow amplifier 21 includes: the gas path sealing device comprises a valve body 61, a sealing assembly 62 for controlling the on-off of a gas path in the valve body 61, an upper cover assembly 63 for controlling a gas source to be input into the valve body 61 and driving the sealing assembly 62, and a sliding valve assembly 64 for tightly propping the sealing assembly 62 and controlling the on-off of the gas path between the valve body 61 and the integrated base 1; the second air inlet 5 is disposed at the upper end of the upper cover assembly 63; the valve body 61 is mounted on the integrated base 1 and is respectively communicated with the first air inlet 3 and the first air outlet 4; the upper cover assembly 63 is mounted on the valve body 61; the sealing assembly 62 is movably arranged in the valve body 61, and one end of the sealing assembly 62 is abutted with the upper cover assembly 63; the slide valve assembly 64 is slidably arranged on the valve body 61; one end of the slide valve assembly 64 abuts the integrated base 1, and the other end of the slide valve assembly 64 abuts the seal assembly 62.
In the embodiment, the composition structure and the working principle of the second flow amplifier 22 are completely the same as those of the first flow amplifier 21, wherein the first flow amplifier 21 comprises a valve body 61, a sealing assembly 62, an upper cover assembly 63 and a slide valve assembly 64, the valve body 61 is mounted on the integrated base 1 and is respectively communicated with the first air inlet 3 and the first air outlet 4, the upper cover assembly 63 is mounted at the upper end of the valve body 61, the second air inlet 5 is arranged at the upper end of the upper cover assembly 63, and a control air source can enter the valve body 61 after being input from the second air inlet 5;
the sealing assembly 62 is movably arranged in the valve body 61, the sealing assembly 62 can control the on-off of an air path in the valve body 61, the sliding valve assembly 64 is arranged on the valve body 61 in a sliding manner, two ends of the sliding valve assembly 64 are respectively abutted to the upper end of the integrated base 1 and the lower end of the sealing assembly 62, and the sliding valve assembly 64 can tightly support the sealing assembly 62 and control the on-off of the air path between the valve body 61 and the integrated base 1, so that whether the first air inlet 3 and the first air outlet 4 are communicated or not is indirectly controlled; the specific operation principle of the first flow amplifier 21 in this application is the same as that of the flow amplifier in the prior art, and is not described herein again.
Further, a chamber 71 which can change the gas flow of the input gas source and generate the amplified gas flow is arranged in the valve body 61; a plurality of exhaust holes 72 for exhausting the gas are formed on the valve body 61; the chamber 71 communicates with the first gas inlet 3 and the first gas outlet 4, respectively.
In the present embodiment, a chamber 71 is provided at the bottom of the valve body 61, and the chamber 71 can change the gas flow of the input gas source and generate the amplified gas flow; the chamber 71 is respectively communicated with the first air inlet 3 and the first air outlet 4 (the chamber is communicated under the condition that the slide valve assembly 64 moves downwards and is communicated, see fig. 3), after a power air source is input into the chamber 71 from the first air inlet 3, under the pressure action of a control air source input at the second air inlet 5, the sealing assembly 62 drives the slide valve assembly 64 to move downwards, and at the moment, the chamber 71 is communicated with the first air outlet 4 and can output airflow with amplified flow from the first air outlet 4;
a plurality of tiny exhaust ports (the exhaust ports play a role of air leakage) are formed in the side surface of the valve body 61, and when the first air inlet 3 and the first air outlet 4 are not communicated, air in the valve body 61 can be exhausted to the outside through the tiny exhaust ports.
Further, the upper cover assembly 63 includes: an upper cover body; a first spring and a spring protection sleeve correspondingly matched with the first spring are arranged at the lower end of the upper cover body; the second air inlet 5 is arranged at the upper end of the upper cover body; one end of the spring protection sleeve is sleeved on the first spring, and the other end of the spring protection sleeve is abutted to the sealing component 62.
In this embodiment, the upper cover is installed at the upper end of the valve body 61, the second air inlet 5 is disposed at the upper end of the upper cover and is communicated with the interior of the valve body 61, the lower end of the upper cover is provided with a first spring and a spring protection sleeve, the first spring is abutted against the upper end of the sealing assembly 62 under the action of the spring protection sleeve, the sealing assembly 62 can be kept in dynamic balance under the combined action of the first spring and the sliding valve assembly 64, and the spring protection sleeve can prevent the first spring from wearing the sealing assembly 62.
Furthermore, an adjusting screw 81 capable of controlling the gas pressure in the chamber 71 and an adjusting nut 82 capable of adjusting the working position of the adjusting screw 81 are arranged on the upper cover body; one end of the adjusting nut 82 is in threaded connection with the adjusting screw 81, and the other end of the adjusting nut 82 is abutted to the upper cover body.
In this embodiment, the adjusting screw 81 is movably disposed on the upper cover body, the adjusting nut 82 is in threaded connection with the adjusting screw 81, the adjusting nut 82 abuts against the upper cover body, and the working position of the adjusting screw 81 can be adjusted by manually rotating the adjusting nut 82; when the first air inlet 3 is communicated with the first air outlet 4, the first air outlet 4 can output airflow after flow amplification, at the moment, the adjusting screw 81 moves up and down to adjust the air pressure in the valve body 61 (the specific principle is the same as that of an adjusting valve in the prior art), and the sealing assembly 62 can drive the sliding valve assembly 64 to change the working position by changing the pressure of a control air source acting on the sealing assembly 62, so that the air inlet flow from the first air inlet 3 to the first air outlet 4 is adjusted, and the effect of changing the action speed of the flow amplifier is achieved.
Further, the seal assembly 62 includes: the support block is used for controlling the on-off of an air path in the valve body 61, and the upper diaphragm and the lower diaphragm can buffer the support block; the supporting block is movably arranged in the valve body 61; the upper diaphragm is arranged at the upper end of the supporting block and is abutted to the spring protection sleeve; the lower diaphragm is arranged at the lower end of the supporting block and is respectively abutted with the valve body 61 and the slide valve assembly 64.
In this embodiment, the upper diaphragm is disposed at the upper end of the supporting block and abuts against the upper end spring protection sleeve, the lower diaphragm is disposed at the lower end of the supporting block and abuts against the valve body 61 and the slide valve assembly 64, respectively, and when the supporting block moves in the valve body 61, the supporting block can be buffered by the upper diaphragm and the lower diaphragm;
when a control air source is input from the second air inlet 5, the pressure of the control air source acts on the upper diaphragm, the upper diaphragm is deformed under force and pressed downwards to push the supporting block, so that the supporting block pushes the lower diaphragm and drives the slide valve assembly 64 to move downwards, an air path between the integrated base 1 and the valve body 61 is conducted (the first air inlet 3 and the first air outlet 4 are conducted), and a power air source input by the first air inlet 3 can be output from the first air outlet 4 after passing through the valve body 61;
when the pressure of the control air source of the second air inlet 4 becomes small or disappears, the slide valve assembly 64 can automatically reset under the elastic action, the valve body 61 is sealed again after the slide valve assembly 64 resets, the air path between the integrated base 1 and the valve body 61 is cut off (the first air inlet 3 and the first air outlet 4 are cut off), and the air in the valve body 61 can be discharged from the tiny air outlet on the side surface of the valve body 61.
Further, the spool valve assembly 64 includes: the sealing body 91 is used for controlling the on-off of an air path between the cavity 71 and the integrated base 1, the supporting column 92 is used for driving the sealing body 91 to move, and the second spring 93 is used for resetting the supporting column 92 after moving; the supporting column 92 is slidably arranged in the valve body 61 and is abutted with the lower diaphragm; the sealing body 91 is mounted on the support column 92 and abuts against the valve body 61; the second spring 93 is sleeved on the supporting column 92; one end of the second spring 93 abuts against the sealing body 91, and the other end of the second spring 93 abuts against the integrated base 1.
In the embodiment, the sealing body 91 is fixed in the middle of the supporting column 92 and is integrally formed with the supporting column 92, and the sealing body 91 is used for controlling the on-off of the air path between the valve body 61 and the integrated base 1; the second spring 93 is arranged at the lower end of the sealing body 91 and is abutted to the integrated base 1, the second spring 93 can be used for resetting the sliding valve assembly 64 after the whole moving, and in the idle state of the equipment, the sealing body 91 can be abutted to the valve body 61 by the second spring 93, and the effect of disconnecting the air passage between the integrated base 1 and the valve body 61 is achieved.
Further, the sealing body 91 is a tapered elastic sealing body.
In this embodiment, the sealing body 91 is a tapered elastic sealing body, the conical elastic sealing body has better sealing performance and longer service life.
The utility model discloses a gas accuse pair flow amplifier has the pneumatic pair control effect that can realize the flow amplifier and the advantage that the equipment volume is littleer.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A pneumatically controlled duplex flow amplifier, comprising:
the integrated base is used for receiving an input air source and outputting amplified airflow;
the first flow amplifier is used for changing the gas flow of the input gas source of the integrated base;
the second flow amplifier is used for changing the gas flow of the integrated base input gas source;
the first air inlet is used for inputting a power air source and is arranged on one side of the integrated base;
the first air outlet is used for outputting amplified airflow and is arranged on the other side of the integrated base;
the second air inlet is used for controlling the input of an air source and is respectively arranged at the upper ends of the first flow amplifier and the second flow amplifier;
the first flow amplifier and the second flow amplifier are both arranged on the integrated base; the first air inlet is respectively communicated with the first flow amplifier and the second flow amplifier; the first air outlet is respectively communicated with the first flow amplifier and the second flow amplifier.
2. The pneumatically controlled dual flow amplifier of claim 1, wherein the first flow amplifier comprises: the valve comprises a valve body, a sealing assembly for controlling the on-off of an air path in the valve body, an upper cover assembly for controlling the input of an air source into the valve body and driving the sealing assembly, and a slide valve assembly for tightly propping the sealing assembly and controlling the on-off of the air path between the valve body and the integrated base;
the second air inlet is arranged at the upper end of the upper cover assembly; the valve body is arranged on the integrated base and is respectively communicated with the first air inlet and the first air outlet; the upper cover assembly is mounted on the valve body; the sealing assembly is movably arranged in the valve body, and one end of the sealing assembly is abutted against the upper cover assembly; the sliding valve assembly is arranged on the valve body in a sliding mode; one end of the sliding valve assembly is abutted to the integrated base, and the other end of the sliding valve assembly is abutted to the sealing assembly.
3. The pneumatically controlled duplex flow amplifier according to claim 2, wherein a chamber is provided within the valve body that can vary the flow of gas from the input gas source and generate amplified gas flow; a plurality of exhaust holes for exhausting the gas are formed in the valve body; the chamber is in communication with the first inlet port and the first outlet port, respectively.
4. The pneumatically controlled dual flow amplifier of claim 3, wherein the upper cover assembly comprises: an upper cover body; the lower end of the upper cover body is provided with a first spring and a spring protection sleeve correspondingly matched with the first spring;
the second air inlet is arranged at the upper end of the upper cover body; one end of the spring protection sleeve is sleeved on the first spring, and the other end of the spring protection sleeve is abutted to the sealing assembly.
5. The pneumatic control duplex flow amplifier according to claim 4, wherein an adjusting screw capable of controlling the gas pressure in the cavity and an adjusting nut capable of adjusting the working position of the adjusting screw are arranged on the upper cover body; one end of the adjusting nut is in threaded connection with the adjusting screw, and the other end of the adjusting nut is abutted to the upper cover body.
6. The pneumatically controlled dual flow amplifier of claim 4, wherein the seal assembly comprises: the supporting block is used for controlling the on-off of an air path in the valve body, and the upper diaphragm and the lower diaphragm can buffer the supporting block;
the supporting block is movably arranged in the valve body; the upper diaphragm is arranged at the upper end of the supporting block and is abutted against the spring protection sleeve; the lower diaphragm is arranged at the lower end of the supporting block and is respectively abutted against the valve body and the slide valve assembly.
7. The pneumatically controlled dual flow amplifier according to claim 6, wherein said spool valve assembly comprises: the sealing body is used for controlling the on-off of an air path between the cavity and the integrated base, the supporting column is used for driving the sealing body to move, and the second spring is used for enabling the supporting column to reset after moving;
the supporting column is arranged in the valve body in a sliding mode and is abutted to the lower membrane; the sealing body is arranged on the supporting column and is abutted against the valve body; the second spring is sleeved on the supporting column; one end of the second spring is abutted to the sealing body, and the other end of the second spring is abutted to the integrated base.
8. The pneumatically controlled dual flow amplifier of claim 7, wherein the seal is a tapered elastomeric seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222617702.7U CN218294459U (en) | 2022-09-29 | 2022-09-29 | Pneumatic control duplex flow amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222617702.7U CN218294459U (en) | 2022-09-29 | 2022-09-29 | Pneumatic control duplex flow amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218294459U true CN218294459U (en) | 2023-01-13 |
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ID=84805828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222617702.7U Active CN218294459U (en) | 2022-09-29 | 2022-09-29 | Pneumatic control duplex flow amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218294459U (en) |
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2022
- 2022-09-29 CN CN202222617702.7U patent/CN218294459U/en active Active
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