CN204186562U - A kind of membrane pump with pneumatic drive - Google Patents
A kind of membrane pump with pneumatic drive Download PDFInfo
- Publication number
- CN204186562U CN204186562U CN201420185846.2U CN201420185846U CN204186562U CN 204186562 U CN204186562 U CN 204186562U CN 201420185846 U CN201420185846 U CN 201420185846U CN 204186562 U CN204186562 U CN 204186562U
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- CN
- China
- Prior art keywords
- chamber
- air valve
- piston
- inlet
- septum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A kind of membrane pump with pneumatic drive, it comprises two chamber of septum, air valves, and described two chamber of septum are fixed on the both sides of described air valve; Described air valve comprises air valve main body, reverser, two commutation pins, two pistons, pilot valves formations, described reverser, commutation pin, piston, pilot valve are fixed in described air valve main body, and the pin that commutates described in described reverser connection control, described commutation pin and piston connect a chamber of septum respectively; Described chamber of septum comprises and being integrally fixed successively and a pitman shaft axle center fluid chamber, Teflon diaphragm, elastomer diaphragm, the air cavity that pass, and described pitman shaft is through air cavity, elastomer diaphragm, Teflon diaphragm, the fluid chamber from axle center successively through another chamber of septum be integrally fixed after described air valve main body.The utility model special machine is processed further, and roundness is high, promotes non-return sealability; Convenient and flexible installation, and two media can be carried by furnishing simultaneously.
Description
Technical field
The utility model relates to a kind of pump, is more particularly a kind of membrane pump with pneumatic drive.
Background technique
Membrane pump with pneumatic drive is a kind of Novel conveyer tool, is a kind of pump class of current latest domestic grain husk.Membrane pump with pneumatic drive, be a kind of Novel conveyer tool, employing pressurized air is power source, and for various corrosive liquids, the liquid of band particle, high viscosity, volatile, inflammable, hypertoxic liquid, all can be taken out light and exhaust.
Summary of the invention
Due to the problems referred to above of prior art, the utility model proposes a kind of membrane pump with pneumatic drive, it can solve the problems referred to above of prior art.
The utility model is by the following technical solutions:
A kind of membrane pump with pneumatic drive, comprise one first chamber and the second chamber, an air valve body is connected between described first chamber and described second chamber, and described air valve body is provided with a gas entrance, and the top of described air valve body is provided with a gas outlet, one first chamber inlet and the second chamber inlet, described first chamber inlet and described first chamber, and described second chamber inlet and described second chamber, the top of described air valve body connects a slide valve, a chamber is formed between described slide valve and described air valve body, described gas outlet, described first chamber inlet and described second chamber inlet are located at described chamber interior, and described slide valve is also provided with an air outlet, described chamber interior is also provided with a piston, described piston movable and by described first chamber inlet or described second chamber inlet be communicated with.
Described piston comprises a connecting rod, and two-part of described connecting rod do not connect a sealed department, and described sealed department can by described cavity seal.
Described piston is also provided with a seal ring.
Also comprise a liquid inlet pipe and a drain pipe, described liquid inlet pipe and described first chamber and described second chamber, and described drain pipe is communicated with the top of described second chamber and described first chamber, and one end of described liquid inlet pipe is provided with a liquid entering hole, one end of described drain pipe is provided with a liquid outlet.
The utility model has following advantage:
The utility model is keeping under the constant condition of bleed pressure, control system is external, easy to maintenance, adopts the working life that material selects engineering plastics to substantially increase pump engineering plastics to reduce dependence to non-ferrous metal, plays energy-saving effect simultaneously.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the cut-away view of Fig. 1.
Fig. 3 is the side structure schematic diagram of Fig. 1.
Fig. 4 is the structural representation of air valve body in Fig. 1.
Embodiment:
Below in conjunction with embodiment, describe the present invention in detail.Should be understood that these mode of executions are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
As shown in the figure shown in 1 to Fig. 4, a kind of membrane pump with pneumatic drive, a kind of membrane pump with pneumatic drive, comprise one first chamber 1 and the second chamber 3, an air valve body 3 is connected between described first chamber and described second chamber, and described air valve body is provided with a gas entrance 31, and the top of described air valve body is provided with a gas outlet 32, one first chamber inlet 33 and the second chamber inlet 34, described first chamber inlet and described first chamber, and described second chamber inlet and described second chamber, the top of described air valve body connects a slide valve, a chamber is formed between described slide valve and described air valve body, described gas outlet, described first chamber inlet and described second chamber inlet are located at described chamber interior, and described slide valve is also provided with an air outlet, described chamber interior is also provided with a piston 7, described piston movable and by described first chamber inlet or described second chamber inlet be communicated with.
Described piston comprises a connecting rod 71, and two-part of described connecting rod do not connect a sealed department 72, and described sealed department can by described cavity seal.Described piston is also provided with a seal ring.
The utility model also comprises liquid inlet pipe 5 and a drain pipe 6, described liquid inlet pipe and described first chamber and described second chamber, and described drain pipe is communicated with the top of described second chamber and described first chamber, and one end of described liquid inlet pipe is provided with a liquid entering hole, one end of described drain pipe is provided with a liquid outlet.
The utility model comprises a leather diaphragm and one second epithelium, the surrounding of described leather diaphragm and described second epithelium is fixed on described air valve body and forms described first chamber and described second chamber, and the two ends of a coupling shaft are connected and fixed on described leather diaphragm and described second epithelium respectively.Described air valve body inside is provided with one first chamber gas-entered passageway and one second chamber gas-entered passageway, described first chamber gas-entered passageway and described first chamber, and described second chamber gas-entered passageway and described second chamber.Described control unit comprises a slide block, can by the sealing of described first chamber gas-entered passageway or described second chamber gas-entered passageway by the motion of described slide block.One control piston comprises a first piston and one second piston, and it is in aggregates that described first piston and described second piston pass through a connecting rod, and described first piston or described second piston can drive skid.Described control cavity segmentation formation one first is controlled cavity, one second and controls cavity and the 3rd control cavity by described first piston and described second piston, described slide block is located at the described 3rd and is controlled cavity inside, and described 3rd control cavity inside is located at by the suction port of the suction port of described first chamber gas-entered passageway and described second chamber gas-entered passageway.Also comprise one first control valve gas-entered passageway and one second control valve gas-entered passageway, the two ends of described first control valve gas-entered passageway control cavity and the described 3rd respectively and control cavity connects with described first, the two ends of described second control valve gas-entered passageway control cavity and the described 3rd respectively and control cavity connects with described second.Also comprise a reversing shaft, the two ends of described reversing shaft are located at described first chamber and described second chamber interior respectively, and the two ends of described reversing shaft can move left and right under the collision of described leather diaphragm and described second epithelium.
The utility model is plastic partition membrane pump: it can solve following problem, 1, exhaust pathway is shortened, relief opening at the back side 2 of air inlet, air valve body adopts plastic material can resistance to various severe operating mode.3, the distributing valve of control unit work adopts external, safeguards more convenient.4, increase the filtrating equipment of suction port, improve reliability.5, reversing shaft adopts monolithic construction, overcomes nonconcentricity, improves the stability of work.6, distributing valve adds potted line, makes the better tightness of control unit.7, metal is replaced well to economize on resources with plastics.8, the component damage problem because impurity causes is eliminated.
Working principle of the present utility model is as follows:
Bleed pressure is in the air inlet of suction port place, and by the motion of piston, drive air guide block to change compressed-air actuated runner and reach the object changing gas circuit, its air valve body is operated, and then central shaft drives the first chamber and the second chamber interior diaphragm to move reciprocatingly.Medium is entered by liquid entering hole, after mixing at the first chamber and the second chamber again from liquid outlet out, completes whole fluid delivery process.
Claims (4)
1. a membrane pump with pneumatic drive, it is characterized in that, comprise one first chamber and the second chamber, an air valve body is connected between described first chamber and described second chamber, and described air valve body be provided with a gas entrance, and the top of described air valve body is provided with a gas outlet, one first chamber inlet and the second chamber inlet, described first chamber inlet and described first chamber, and described second chamber inlet and described second chamber, the top of described air valve body connects a slide valve, a chamber is formed between described slide valve and described air valve body, described gas outlet, described first chamber inlet and described second chamber inlet are located at described chamber interior, and described slide valve is also provided with an air outlet, described chamber interior is also provided with a piston, described piston movable and by described first chamber inlet or described second chamber inlet be communicated with.
2. membrane pump with pneumatic drive according to claim 1, is characterized in that, described piston comprises a connecting rod, and two-part of described connecting rod do not connect a sealed department, and described sealed department can by described cavity seal.
3. membrane pump with pneumatic drive according to claim 2, is characterized in that, described piston is also provided with a seal ring.
4. membrane pump with pneumatic drive as claimed in any of claims 1 to 3, it is characterized in that, also comprise a liquid inlet pipe and a drain pipe, described liquid inlet pipe and described first chamber and described second chamber, and described drain pipe is communicated with the top of described second chamber and described first chamber, and one end of described liquid inlet pipe is provided with a liquid entering hole, one end of described drain pipe is provided with a liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185846.2U CN204186562U (en) | 2014-04-14 | 2014-04-14 | A kind of membrane pump with pneumatic drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185846.2U CN204186562U (en) | 2014-04-14 | 2014-04-14 | A kind of membrane pump with pneumatic drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204186562U true CN204186562U (en) | 2015-03-04 |
Family
ID=52618571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420185846.2U Expired - Fee Related CN204186562U (en) | 2014-04-14 | 2014-04-14 | A kind of membrane pump with pneumatic drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204186562U (en) |
-
2014
- 2014-04-14 CN CN201420185846.2U patent/CN204186562U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20150414 |
|
| EXPY | Termination of patent right or utility model |