CN207750209U - A kind of planet-shaped piezoelectricity propulsion pump - Google Patents
A kind of planet-shaped piezoelectricity propulsion pump Download PDFInfo
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- CN207750209U CN207750209U CN201721453729.XU CN201721453729U CN207750209U CN 207750209 U CN207750209 U CN 207750209U CN 201721453729 U CN201721453729 U CN 201721453729U CN 207750209 U CN207750209 U CN 207750209U
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- pump
- planet
- pump housing
- end cover
- shaped
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Abstract
The utility model discloses a kind of planet-shaped piezoelectricity propulsion pump, including upper end cover, the pump housing, piezoelectric vibrator, check valve, sealing ring.Four funnel-form outlet plenums that the pump housing is equipped with pump chamber entrance and is distributed in planet-shaped, the pump chamber is connected to by runner with the funnel-form outlet plenum that planet-shaped is distributed, place pump piezoelectric vibrator in the center of the pump housing, piezoelectric patches is placed in four funnel-form outlet plenum bodies, is sealed piezoelectric vibrator and the pump housing by sealing ring.Pump piezoelectric vibrator and piezoelectric patches stimulating electrical signal are given, piezoelectric vibrator is made to generate flexural deformation, using the phase difference between pump piezoelectric vibrator and piezoelectric patches, and then makes to generate pressure difference into water cavity and water chamber, realizes the sucking and discharge of liquid；The utility model has the characteristics that output flow is big, output pressure is high, driving force is big, resistance flowing effect is apparent, and the scope of application is wider.
Description
Technical field
The utility model belongs to field of fluid machinery, and specially a kind of planet-shaped piezoelectricity promotes pump.
Background technology
Pump as power source technology application in play an important role, in practice, with sophisticated equipment gradually to
Precise treatment, miniaturization, traditional pump have no longer met the requirement of modern comfort, moreover, conventional pump there is also
The defects of power is low, poor anti jamming capability, people by the sight of research invested with precision high, small, flow greatly, not by
The piezoelectric pump of the advantages that electromagnetic interference.
Although piezoelectric pump has above advantages, in practice, the output of flow and its power also receive centainly
Limitation, there is also serious reflux defect especially in Valveless piezoelectric pump, this is virtually reducing piezoelectric pump again
Output flow and power, and in having valve piezoelectric pump, although solving the problems, such as, it is multiple to occur piezoelectricity pump configuration again
It is miscellaneous, the higher problem of cost, and also output flow is increased also limited, and this is that piezoelectric pump always exists a problem, limitation
Application of the piezoelectric pump in precision equipment field.
Utility model content
The purpose of this utility model is in view of the above problems, providing a kind of planet-shaped piezoelectricity propulsion pump.
In order to achieve the above object, the technical solution adopted in the utility model is：A kind of planet-shaped piezoelectricity promotes pump, by
Upper end cover (1), the pump housing (2), pump with piezoelectric vibrator (3), piezoelectric patches (4), check valve (5), trip bolt (6), sealing ring (7),
Support rubber ring (8), fastening nut (9) composition；Upper end cover (1) central side offers inner cavity (1-1) structure, it is described on
End cap (1) horizontal plane offers annular seal groove (1-2) structure, and upper end cover (1) horizontal side is using central axes as symmetry axis
Line is opened up there are four small annular seal groove (1-3) structure, and upper end cover (1) horizontal plane offers four be distributed in planet-shaped
Each inner cavity horizontal plane of a pump inner cavity (1-4) structure, the upper end cover (1) respectively opens up wire guide (1-5) structure, institute
It states upper end cover (1) upper surface and opens up threaded hole (1-6) structure there are four circumference array；
The pump housing (2) the Parking Entrance horizontal side opens up annular groove (2-1) structure, and the pump housing (2) top offers pump
Chamber (2-2) structure, the pump housing (2) horizontal side offer choked flow (2-3) structure, and the pump housing (2) is by cylindrical channel
(2-4) structure runs through, the pump housing (2) the horizontal plane surrounding open up there are four planet-shaped distribution funnel-form outlet plenum (2-5)
Structure, the pump housing (2) horizontal plane are opened up there are four threaded hole (2-6) structure.
Fixed pump is pressed between upper end cover cavity (1-1) structure underside and choked flow (2-3) structure upper of the pump housing
Electric tachometer indicator (3).
Funnel-form outlet plenum (the 2- of four pumps inner cavity (1-4) structures and pump housing surrounding of the upper end cover circumference array
5) edge of structure is the position of fixed piezoelectric patches (4).
Annular groove (2-1) structure that the pump housing (2) the Parking Entrance side opens up, through this structure with check valve (5) into
Row gluing.
Choked flow (2-3) structure of the pump housing (2) the outlet plenum side is hemispherical reducing-flow structure.
The driving method is：Pump piezoelectric vibrator (3) and four piezoelectric patches (4) being distributed in planet-shaped are given with phase
The stimulation of poor 180 ° of ac signal, pump with piezoelectric vibrator (3) under the stimulation of electric signal to upper end cover (1) flexural deformation, this
When planet-shaped distribution four piezoelectric patches to funnel-form outlet plenum (2-5) structural bending deform, due to pump chamber volume increase, pressure
Power reduces, and liquid is inhaled into inside pump chamber, and funnel-form outlet plenum (2-5) volume reduces at this time, and pressure increases, funnel-form outlet
The liquid of chamber is discharged the pump housing；When pump with piezoelectric vibrator (3) to when pump chamber flexural deformation, in four piezoelectric patches of planet-shaped distribution
(4) to upper end cover flexural deformation, pump chamber volume reduces, and pressure increases, and the volume of funnel-form outlet plenum increases at this time, and pressure subtracts
Small, liquid is discharged in pump chamber, and the sucking and discharge of liquid are achieved that into the cycle operation for crossing whole process.
The beneficial effects of the utility model：
1, the effect of check valve, make liquid can only one direction flow into pump chamber and cannot flow out；
2, pump chamber side uses gentle slope road shape curved surface, reduces the resistance of liquid；
3, funnel-form pump chamber is provided with hemispherical reducing-flow structure, increases resistance flowing effect；
4, the design of funnel-form pump chamber increases the output pressure and output flow of liquid；
5, using four hopper outlet chambers, the output flow of liquid is increased；
6, the use of sealing ring avoids the internal leakage of liquid.
Description of the drawings
Fig. 1 is the explosive view of the present apparatus.
Fig. 2 is the structural schematic diagram of upper end cover.
Fig. 3 is the structural schematic diagram of the pump housing.
Specific implementation mode
In order to enable those skilled in the art to better understand the technical solutions of the present invention, below in conjunction with the accompanying drawings to this reality
Be described in detail with novel, the description of this part be only it is exemplary and explanatory, should not be to the scope of protection of the utility model
There is any restriction effect.
As shown, the concrete structure of the utility model is：A kind of planet-shaped piezoelectricity propulsion pump, by upper end cover (1), the pump housing
(2), pump with piezoelectric vibrator (3), piezoelectric patches (4), check valve (5), trip bolt (6), sealing ring (7), support rubber ring (8),
Fastening nut (9) forms.
Upper end cover (1) central side offers inner cavity (1-1) structure, is the flexural deformation of pulsator piezoelectric vibrator
Space is provided；It is contacted to be fixed on the upper edge of choked flow (2-3) structure at the lower edge of inner cavity (1-1) structure
Pump between it is with piezoelectric vibrator (3)；Upper end cover (1) horizontal plane offers annular seal groove (1-2) structure, passes through peace
Sealing ring (7) is filled, pump is made to be sealed with piezoelectric vibrator (3) and upper end cover (1), prevents gap outflow of the liquid between；Institute
It states upper end cover (1) horizontal side and offers symmetrical four small annular seal groove (1-3) structure, rubber ring is supported by installation
(8), upper end cover (1) and piezoelectric patches (4) is made to be sealed, the slot leakage between preventing liquid from passing through；Upper end cover (1) water
Plane offers four pump inner cavity (1-4) structures of circumference array, and the lower edge and the pump housing that inner cavity (1-4) is pumped at four leak
Piezoelectric patches (4) is installed between the top edge of bucket-shaped outlet plenum (2-5), under the work of piezoelectric patches, improves and enters funnel-form outlet
The pressure of the liquid of chamber (2-5), the flow for being allowed to export are improved, and four funnel-form pump chambers of surrounding work together, output
Flow is greatly improved；The inner cavity (1-1) of the upper end cover (1) and four pump inner cavity (1-4) horizontal planes respectively open up
One wire guide (1-5) structure, conducting wire is attached by wire guide (1-5) structure with each piezoelectric patches, to provide telecommunications
Number；Upper end cover (1) upper surface is opened up there are four threaded hole (1-6) structure, passes through trip bolt (6) and fastening nut
(9) cooperation achievees the effect that tensioning.
The pump housing (2) the Parking Entrance horizontal side opens up annular groove (2-1) structure, passes through this annular groove (2-1) structure
Gluing is carried out with check valve (5), liquid is made unidirectionally to flow into pump chamber from check valve (5) and cannot flow out；The pump housing (2) top
Offer pump chamber (2-2) structure, the increase of volume can make more liquid enter pump chamber, when pump with piezoelectric vibrator (3) to
Pump chamber can give the pressure of liquid bigger when being bent, more liquid is made to flow into week by cylindric runner from pump chamber (2-2)
The four funnel-form outlet plenums (2-5) enclosed；The pump housing (2) horizontal side offers hemispherical choked flow (2-3) structure, can subtract
The reflux of the internal liquid of few funnel-form outlet plenum (2-5) from surrounding；The pump housing (2) horizontal side is by cylindrical channel
(2-4) structure runs through, and provides the channel that liquid enters funnel-form outlet plenum (2-5)；The pump housing (2) the horizontal plane surrounding opens up
There are four funnel-form outlet plenum (2-5) structure, increase the output flow of liquid, the pump housing (2) horizontal plane opens up that there are four spiral shells
Pit (2-6) structure, upper surface and upper end cover (1) are coordinated, and lower surface and the pump housing (2) are coordinated；The fastening spiral shell
Following closely (6) passes through the threaded hole (1-6) of upper end cover (1) and four threaded holes (2-6) of the pump housing (2) to be carried out with trip bolt (9)
Assembly, to have the function that fixation entirely pumps.
The present apparatus works in this way, including the first working condition and the second working condition：
First working condition：Pump applies certain frequency AC electric signal with piezoelectric vibrator (3), while giving the four of surrounding
A piezoelectric patches (4) is separated by 180 degree of phases with certain frequency AC electric signal between pump piezoelectric vibrator (3) and piezoelectric patches (4)
Difference, pump under the stimulation of electric signal, will produce flexural deformation with piezoelectric vibrator (3), when pump with piezoelectric vibrator (3) to upper end cover
(1) when flexural deformation, the volume of pump chamber (2-2) increases, and internal pressure reduces, and liquid just enters funnel by check valve (5)
Shape outlet plenum (2-5), due to the piezoelectric patches and pump piezoelectric vibrator (3) phase of four funnel-form outlet plenums (2-5) of surrounding
It is separated by 180 degree, piezoelectric patches (4) is bent to funnel-form outlet plenum (2-5) at this time, and the volume of funnel-form outlet plenum (2-5) reduces,
The pressure of intracavitary reduces, and liquid is just flowed out from four funnel-form outlet plenums (2-5), due to the bluff body on funnel-form pump chamber side
Choked flow effect, so that the flow that liquid flows back to pump chamber (2-2) is just reduced very much, force more liquid from exit ramp outflow,
Increase the flow of liquid again in this way.
Second working condition：When pump is bent with piezoelectric vibrator (3) to the pump housing (2), the volume reducing of pump chamber (2-2), pump
The increase of chamber pressure, since check valve (5) prevents liquid from being flowed out from import, the liquid of pump chamber (2-2) flows under the effect of the pressure
In four funnel-form outlet plenums (2-5) for entering surrounding, it is separated by 180 degree phase, funnel-form outlet plenum (2-5) due between at this time
Piezoelectric patches (4) above is bent to upper end cover (1) so that the volume of funnel-form outlet plenum (2-5) increases, and makes more liquid
Into funnel-form outlet plenum (2-5), the first working condition then is entered again, by the cycle of such two working conditions,
The pump housing is achieved that the big flow output of liquid.
Specific case used herein is expounded the principles of the present invention and embodiment, above example
Illustrate the method and its core concept for being merely used to help understand the utility model.The above is only the preferred of the utility model
Embodiment, it is noted that due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for this technology
For the those of ordinary skill in field, without departing from the principle of this utility model, several improvement, retouching can also be made
Or variation, above-mentioned technical characteristic can also be combined in the right way；These improve retouching, variation or combination, or not
It is improved that the design of utility model and technical solution are directly applied into other occasions, it is regarded as the protection of the utility model
Range.
Claims (5)
1. a kind of planet-shaped piezoelectricity promotes pump, which is characterized in that a kind of planet-shaped piezoelectricity propulsion pump, by upper end cover (1), pump
Body (2), pump piezoelectric vibrator (3), piezoelectric patches (4), check valve (5), trip bolt (6), sealing ring (7), support rubber ring
(8), fastening nut (9) forms；Upper end cover (1) central side offers inner cavity (1-1) structure, and the upper end cover (1) is horizontal
Face offers annular seal groove (1-2) structure, and upper end cover (1) horizontal side offers four by the axis of symmetry of central axes
A small annular seal groove (1-3) structure, upper end cover (1) horizontal plane offer four pump inner cavities being distributed in planet-shaped
(1-4) structure, the inner cavity (1-1) of the upper end cover (1) and four pump inner cavity (1-4) horizontal planes respectively open up a wire guide
(1-5) structure, upper end cover (1) upper surface open up threaded hole (1-6) structure there are four circumference array；The pump housing
(2) Parking Entrance horizontal side opens up annular groove (2-1) structure, and the pump housing (2) top offers pump chamber (2-2) structure, institute
It states the pump housing (2) horizontal side and offers choked flow (2-3) structure, the pump housing (2) is run through by cylindrical channel (2-4) structure, institute
State the pump housing (2) horizontal plane surrounding open up there are four planet-shaped distribution funnel-form outlet plenum (2-5) structure, the pump housing (2) water
Plane is opened up there are four threaded hole (2-6) structure.
2. a kind of planet-shaped piezoelectricity according to claim 1 promotes pump, which is characterized in that the upper end cover cavity (1-1)
Fixed pump is with piezoelectric vibrator (3) between choked flow (2-3) structure upper of downside and the pump housing.
3. a kind of planet-shaped piezoelectricity according to claim 1 promotes pump, which is characterized in that the upper end cover circumference array
The edge of four pump inner cavity (1-4) structures and funnel-form outlet plenum (2-5) structure of pump housing surrounding is fixed piezoelectric patches (4)
Position.
4. a kind of planet-shaped piezoelectricity according to claim 1 promotes pump, which is characterized in that the pump housing (2) the Parking Entrance side
Annular groove (2-1) structure that face opens up carries out gluing with check valve (5) through this structure.
5. a kind of planet-shaped piezoelectricity according to claim 1 promotes pump, which is characterized in that the pump housing (2) the outlet plenum side
Choked flow (2-3) structure in face is hemispherical reducing-flow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453729.XU CN207750209U (en) | 2017-11-03 | 2017-11-03 | A kind of planet-shaped piezoelectricity propulsion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721453729.XU CN207750209U (en) | 2017-11-03 | 2017-11-03 | A kind of planet-shaped piezoelectricity propulsion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750209U true CN207750209U (en) | 2018-08-21 |
Family
ID=63147183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721453729.XU Expired - Fee Related CN207750209U (en) | 2017-11-03 | 2017-11-03 | A kind of planet-shaped piezoelectricity propulsion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747535A (en) * | 2017-11-03 | 2018-03-02 | 长春工业大学 | A kind of planet-shaped piezoelectricity promotes pump and its driving method |
-
2017
- 2017-11-03 CN CN201721453729.XU patent/CN207750209U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747535A (en) * | 2017-11-03 | 2018-03-02 | 长春工业大学 | A kind of planet-shaped piezoelectricity promotes pump and its driving method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20191103 |
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| CF01 | Termination of patent right due to non-payment of annual fee |