CN207004770U - A kind of minisize fluid conveying device based on piezoelectricity air pump - Google Patents
A kind of minisize fluid conveying device based on piezoelectricity air pump Download PDFInfo
- Publication number
- CN207004770U CN207004770U CN201720445327.9U CN201720445327U CN207004770U CN 207004770 U CN207004770 U CN 207004770U CN 201720445327 U CN201720445327 U CN 201720445327U CN 207004770 U CN207004770 U CN 207004770U
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- CN
- China
- Prior art keywords
- air pump
- piezoelectricity
- conveying device
- hollow cavity
- gas leakage
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- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Reciprocating Pumps (AREA)
Abstract
It the utility model is related to a kind of fluid delivery system,More particularly to a kind of minisize fluid conveying device based on piezoelectricity air pump,Including housing,Hollow cavity is provided with housing,Shell one end is provided with the piezoelectricity air pump for being used for that gas to be filled with to hollow cavity,The flexible reservoir for being used for storing liquid is provided with housing,Flexible reservoir includes rubber stopper and the utricule being connected on rubber stopper,Rubber stopper is arranged on one end away from piezoelectricity air pump on housing,Utricule is placed in hollow cavity,Conveying device also includes liquid-transport pipe-line,Liquid-transport pipe-line front end is provided with transfusion needle,Transfusion needle is penetrated to utricule from rubber stopper,Switching valve is provided between piezoelectricity air pump and hollow cavity,Piezoelectricity air pump internal rift fluid contact of the present utility model,Need not be according to the variety exchanging pump of liquid,It is cost-effective,The structure of switching valve itself can be achieved with the conversion of air inlet and gas leakage,Extra drive device is not needed,Energy consumption is low,Save the energy.
Description
Technical field
It the utility model is related to a kind of fluid delivery system, more particularly to a kind of minisize fluid conveying based on piezoelectricity air pump
Device.
Background technology
Traditional device for output of liquid is come out Liquid extracting using pump, and pump and liquid directly contact in this case, right
Pump, which produces corrosion etc., to be influenceed, meanwhile, different liquid can not use same pump, it is necessary to change pump, and cost is high.
Utility model content
Need to change to solve the liquid transporting apparatus pump present in prior art, the defects of cost is high, this practicality is new
Type provides a kind of cost-effective minisize fluid conveying device based on piezoelectric pump.
Technical scheme is used by the utility model solves its technical problem：
A kind of minisize fluid conveying device based on piezoelectricity air pump, including housing, described housing is interior to be provided with hollow cavity,
Described shell one end is provided with the piezoelectricity air pump for being used for that gas to be filled with to hollow cavity, is provided with described housing and is used to store liquid
The flexible reservoir of body, described flexible reservoir include rubber stopper and the utricule being connected on rubber stopper, described rubber stopper
One end away from piezoelectricity air pump on housing is arranged on, described utricule is placed in hollow cavity, and described conveying device also includes
Liquid-transport pipe-line, described liquid-transport pipe-line front end are provided with transfusion needle, and described transfusion needle is penetrated to utricule from rubber stopper.
Further, be provided with switching valve between described piezoelectricity air pump and hollow cavity, described switching valve be provided with
The piezoelectricity pump steam inlet that is communicated with piezoelectricity air pump, the blowing mouth communicated with hollow cavity and for by the gas leakage mouth of gas leakage,
Switching mechanism is provided with described switching valve, blowing mouth is connected by described transformational structure with piezoelectricity pump steam inlet or gas leakage mouth.
Further, flexible sheet, described piezoelectricity pump steam inlet and gas leakage mouth difference are provided among described switching valve
Positioned at the both sides of flexible sheet, described blowing mouth and gas leakage mouth are located at the same side of flexible sheet, and described flexible sheet will
The valve pocket of switching valve is separated into the inlet chamber close to piezoelectricity pump steam inlet and the gas leakage chamber close to gas leakage mouth, in described inlet chamber
Raised provided with first, described gas leakage intracavitary is provided with the second projection, and the second described projection is logical provided with what is communicated with leakage hole
Hole, described flexible sheet is raised and the second projection is close to first in original state, and described flexible sheet is with first
The part that projection is close to is provided with passage.
Preferably, the first described raised face blowing mouth, the described second raised face piezoelectricity pump steam inlet.
Further, it is provided with check valve inside described liquid-transport pipe-line.
Further, the cavity wall of described hollow cavity is provided with baroceptor, and described piezoelectricity air pump is connected with control
Signal is transmitted to controller by device processed, described baroceptor.
Beneficial effect：
(1) piezoelectricity air pump internal rift fluid contact of the present utility model, it is not necessary to according to the variety exchanging pump of liquid, section
About cost；
(2) structure of switching valve itself can be achieved with the conversion of air inlet and gas leakage, it is not necessary to extra drive device, energy consumption
It is low, save the energy；
(3) extruding force can be preset according to user's request by controller and form feedback control by baroceptor
System, control are accurate.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the minisize fluid conveying device of the present utility model based on piezoelectricity air pump；
Fig. 2 is the structural representation of switching valve of the present utility model；
Fig. 3 is structural representation of the switching valve of the present utility model under air-suction state；
Fig. 4 is structural representation of the switching valve of the present utility model under gas leakage state..
Wherein, 1, housing, 11, hollow cavity, 2, piezoelectricity air pump, 3, flexible reservoir, 31, rubber stopper, 32, utricule, 4,
Liquid-transport pipe-line, 41, transfusion needle, 5, switching valve, 51, piezoelectricity pump steam inlet, 52, blowing mouth, 53, gas leakage mouth, 54, flexible sheet,
541st, passage, 55, inlet chamber, 56, gas leakage chamber, 57, first is raised, and 58, second is raised, and 581, through hole, 6, baroceptor.
Embodiment
Such as Fig. 1~2, a kind of minisize fluid conveying device based on piezoelectricity air pump, including housing 1, it is provided with housing 1 hollow
Inner chamber 11, the one end of housing 1 are provided with the piezoelectricity air pump 2 for being used for that gas to be filled with to hollow cavity 11, are provided with housing 1 and are used to store liquid
The flexible reservoir 3 of body, flexible reservoir 3 include rubber stopper 31 and the utricule 32 being connected on rubber stopper 31, and rubber stopper 31 is set
One end away from piezoelectricity air pump 2 on housing 1 is put, utricule 32 is placed in hollow cavity 11, and conveying device also includes liquid-transport pipe-line
4, the front end of liquid-transport pipe-line 4 is provided with transfusion needle 41, and transfusion needle 41 is penetrated to utricule 32 from rubber stopper 31.
Switching valve 5 is provided between piezoelectricity air pump 2 and hollow cavity 11, switching valve 5 is provided with the pressure communicated with piezoelectricity air pump 2
Electric pump air inlet 51, the blowing mouth 52 communicated with hollow cavity 11 and for by the gas leakage mouth 53 of gas leakage, being set in switching valve 5
There is switching mechanism, blowing mouth 52 is connected by transformational structure with piezoelectricity pump steam inlet 51 or gas leakage mouth 53.
Flexible sheet 54 is provided among switching valve 5, piezoelectricity pump steam inlet 51 and gas leakage mouth 53 are located at flexible sheet 54 respectively
Both sides, blowing mouth 52 and gas leakage mouth 53 be located at the same side of flexible sheet 54, and flexible sheet 54 separates the valve pocket of switching valve 5
It is raised that first is provided with into the inlet chamber 55 close to piezoelectricity pump steam inlet 51 and the gas leakage chamber 56 close to gas leakage mouth 53, in inlet chamber 55
57, in the present embodiment, the first raised 57 face blowing mouths 52 are provided with the second projection 58 in gas leakage chamber 56, in the present embodiment, second
Raised 58 face electric pump air inlets 51, the second projection 58 are provided with the through hole 581 communicated with leakage hole, flexible sheet 54 and first
The projection 58 of projection 57 and second is close to, and flexible sheet 54 is being provided with ventilation in the part that original state is close to the first projection 57
Hole 541.
The inside of liquid-transport pipe-line 4 is provided with check valve.If the internal diameter very little of transfusion needle 41, flow control work itself can be played
With, it is aobvious to install flow control pipe additional if flow control effect is failed to understand, or install the check valve with precompressed additional, prevent fluid from oozing out naturally.
The cavity wall of hollow cavity 11 is provided with baroceptor 6, and piezoelectricity air pump 2 is connected with controller, and baroceptor 6 will
Signal is transmitted to controller.Extruding force can be preset according to user's request by controller and be formed instead by baroceptor 6
Feedback control, reach the purpose of accurate control extruding force.
The course of work：
Such as Fig. 3, when needing to export fluid, piezoelectricity air pump 2 works, and gas enters switching valve from piezoelectricity pump steam inlet 51
In 5, the pressure rise of inlet chamber 55, flexible sheet 54 is attached in the second projection 58 and departs from the first projection 57, and gas is by ventilation
Hole 541 and blowing mouth 52 are entered in hollow cavity 11, and utricule 32 is extruded, so as to realize that liquid exports；
Such as Fig. 4, when that need not export fluid, piezoelectricity air pump 2 is stopped, and the middle pressure of itself of hollow cavity 11 makes bullet
Property diaphragm 54 is attached in the first projection 57 and departed from from the second projection 58, and such passage 541 is just plugged, the He of blowing mouth 52
Gas leakage mouth 53 communicates, and realizes gas leakage.
It should be appreciated that specific embodiment described above is only used for explaining the utility model, it is not used to limit this reality
With new.By the obvious changes or variations that spirit of the present utility model is extended out still in protection of the present utility model
Among scope.
Claims (6)
- A kind of 1. minisize fluid conveying device based on piezoelectricity air pump, it is characterised in that:Including housing (1), described housing (1) Interior to be provided with hollow cavity (11), described housing (1) one end is provided with the piezoelectricity air pump for being used for that gas to be filled with to hollow cavity (11) (2) the flexible reservoir (3) for being used for storing liquid, is provided with described housing (1), described flexible reservoir (3) includes rubber Plug (31) and the utricule (32) being connected on rubber stopper (31), described rubber stopper (31) are arranged on housing (1) away from pressure One end of electrical pump (2), described utricule (32) are placed in hollow cavity (11), and described conveying device also includes liquid-transport pipe-line (4), described liquid-transport pipe-line (4) front end is provided with transfusion needle (41), and described transfusion needle (41) is penetrated to capsule from rubber stopper (31) In body (32).
- A kind of 2. minisize fluid conveying device based on piezoelectricity air pump according to claim 1, it is characterised in that:Described Switching valve (5) is provided between piezoelectricity air pump (2) and hollow cavity (11), described switching valve (5) is provided with and piezoelectricity air pump (2) The piezoelectricity pump steam inlet (51) that communicates, the blowing mouth (52) communicated with hollow cavity (11) and for by the gas leakage mouth of gas leakage (53), it is provided with switching mechanism in described switching valve (5), described transformational structure is by blowing mouth (52) and piezoelectricity pump steam inlet (51) or gas leakage mouth (53) connects.
- A kind of 3. minisize fluid conveying device based on piezoelectricity air pump according to claim 2, it is characterised in that:Described Flexible sheet (54) is provided among switching valve (5), described piezoelectricity pump steam inlet (51) and gas leakage mouth (53) are respectively positioned at elasticity The both sides of diaphragm (54), described blowing mouth (52) and gas leakage mouth (53) are located at the same side of flexible sheet (54), described bullet Property diaphragm (54) valve pocket of switching valve (5) is separated into close to the inlet chamber (55) of piezoelectricity pump steam inlet (51) and close to gas leakage mouth (53) gas leakage chamber (56), first raised (57) are provided with described inlet chamber (55), the is provided with described gas leakage chamber (56) Two raised (58), described second raised (58) are provided with the through hole (581) communicated with leakage hole, described flexible sheet (54) Be close to first raised (57) and second raised (58) in original state, described flexible sheet (54) with the first projection (57) part being close to is provided with passage (541).
- A kind of 4. minisize fluid conveying device based on piezoelectricity air pump according to claim 3, it is characterised in that:Described First raised (57) face blowing mouth (52), described second raised (58) face piezoelectricity pump steam inlet (51).
- A kind of 5. minisize fluid conveying device based on piezoelectricity air pump according to claim 1, it is characterised in that:Described Check valve is provided with inside liquid-transport pipe-line (4).
- A kind of 6. minisize fluid conveying device based on piezoelectricity air pump according to claim 1, it is characterised in that:Described The cavity wall of hollow cavity (11) is provided with baroceptor (6), and described piezoelectricity air pump (2) is connected with controller, described gas Signal is transmitted to controller by pressure sensor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445327.9U CN207004770U (en) | 2017-04-25 | 2017-04-25 | A kind of minisize fluid conveying device based on piezoelectricity air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445327.9U CN207004770U (en) | 2017-04-25 | 2017-04-25 | A kind of minisize fluid conveying device based on piezoelectricity air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004770U true CN207004770U (en) | 2018-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720445327.9U Withdrawn - After Issue CN207004770U (en) | 2017-04-25 | 2017-04-25 | A kind of minisize fluid conveying device based on piezoelectricity air pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN207004770U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013439A (en) * | 2017-04-25 | 2017-08-04 | 刘勇 | A kind of minisize fluid conveying device based on piezoelectricity air pump |
| CN109763966A (en) * | 2019-03-03 | 2019-05-17 | 浙江师范大学 | A kind of indirect type medicine delivery pump for cavity Piezoelectric Driving of connecting |
-
2017
- 2017-04-25 CN CN201720445327.9U patent/CN207004770U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013439A (en) * | 2017-04-25 | 2017-08-04 | 刘勇 | A kind of minisize fluid conveying device based on piezoelectricity air pump |
| CN107013439B (en) * | 2017-04-25 | 2019-12-10 | 刘勇 | miniature fluid conveying device based on piezoelectric air pump |
| CN109763966A (en) * | 2019-03-03 | 2019-05-17 | 浙江师范大学 | A kind of indirect type medicine delivery pump for cavity Piezoelectric Driving of connecting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180213 Effective date of abandoning: 20191210 |