CN208918796U - A kind of floating type I-shaped valve piezoelectric pump - Google Patents
A kind of floating type I-shaped valve piezoelectric pump Download PDFInfo
- Publication number
- CN208918796U CN208918796U CN201821537161.4U CN201821537161U CN208918796U CN 208918796 U CN208918796 U CN 208918796U CN 201821537161 U CN201821537161 U CN 201821537161U CN 208918796 U CN208918796 U CN 208918796U
- Authority
- CN
- China
- Prior art keywords
- shaped valve
- pump
- pump housing
- piezoelectric
- upper cover
- 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
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of floating type I-shaped valve piezoelectric pump, including upper cover, the pump housing, piezoelectric patches, I-shaped valve, sealing ring, fastening screw, fastening nut；The pump housing lower end surface opens up a snout cavity and one outlet chamber, one I-shaped valve is respectively installed between snout cavity and outlet plenum and pump chamber, described 4 clamped cylindrical bodies of supporting plane lower circumferential array in snout cavity, described 4 clamped cylindrical bodies of upper end circumference array in outlet plenum supporting plane, the upper end of the pump housing opens up the annulus end face of installation piezoelectric patches, to install piezoelectric patches and sealing ring, upper cover is installed in sealing ring upper end, the upper cover, the pump housing 4 threaded holes of each circumference array, piezoelectric pump are fixed by the cooperation of fastening screw and fastening nut；Apply ac signal in piezoelectric patches, piezoelectric patches generates bending deformation under the stimulation of electric signal, and the pump housing is inside and outside to generate pressure difference, can pump under I-shaped valve hydraulic shock power effect, realize the sucking and output of liquid；This pump has many advantages, such as that output flow is big, I-shaped valve resistance flowing effect is good, has a good application prospect in fields such as aerospace, the conveyings of micrometeor drug.
Description
Technical field
The utility model belongs to field of fluid machinery, specially a kind of floating type I-shaped valve piezoelectric pump.
Background technique
In traditional passive valve piezoelectric pump, structure is generally made of the pump housing, pump chamber, piezoelectric vibrator and check valve, with piezoelectricity
Oscillator is driving element, and the pump housing is equipped with entrance channel and outlet flow, and entrance channel and outlet flow are in the same plane,
One check valve is all set to prevent the reflux of liquid in inlet and exit.
Although the above-mentioned passive valve piezoelectric pump of tradition can accomplish output liquid, there is drives for such passive valve piezoelectric pump
The defects of power is small, power is low, output liquid flow is few limits its development on the fields such as fuel and drug conveying.
Utility model content
The technical problems such as output flow in order to solve traditional microminiature piezoelectric pump is few, delivery efficiency is low, the utility model
Patent discloses a kind of floating type I-shaped valve piezoelectric pump.
In order to achieve the above object, the technical solution adopted in the utility model is:
The floating type I-shaped valve piezoelectric pump of one kind, it is characterised in that: the piezoelectric pump by upper cover (1), the pump housing (2),
Sealing ring (3), piezoelectric patches (4), I-shaped valve (5), fastening screw (6) and fastening nut (7) composition；
A snout cavity (2-1) and one outlet chamber (2-2), snout cavity (2- is respectively set in the pump housing (2) lower end
1) and a supporting plane (2-3) is arranged in the upper end of outlet plenum (2-2), and I-shaped valve (5) is cooperated with supporting plane, institute
It states the pump housing (2) upper end side and opens up the clamped end of annular shape (2-5), to place piezoelectric patches (4), the piezoelectric patches upper end
It installs sealing ring (3), upper cover (1) is installed in pump housing upper end, described 4 threaded holes (2-6) of the pump housing (2) circumference array, upper cover circumference
Four screw holes (1-2) of array pass through the spiral shell of threaded hole (2-6) and upper cover of fastening screw (6), fastening nut (7) and the pump housing
The cooperation in hole (1-2), achievees the purpose that fixed piezoelectric pump.
Preferably, the clamped cylindrical body (2- in upper end supporting plane (2-3) circumference array four at the outlet plenum
4), 180 ° of outlet plenum (2-2) rotation that is arranged as of snout cavity (2-1) forms；
Preferably, the upper and lower end cap of the I-shaped valve is round table-like, and the connection vertical beam between I-shaped valve (5) is cylinder
Shape is attached fixation by intermediate vertical beam；
Preferably, the supporting plane (2-3) is cooperated with I-shaped valve (5), and the cavity of installation connection vertical beam is straight
Diameter is greater than the diameter of connection vertical beam；
Preferably, the upper cover center opens up a circular aperture (1-1), is carried out coil and power supply by this hole
Connection.
The utility model has the beneficial effects that
1. I-shaped valve can move up and down under the impact force action of very little, and then realize the opening and closing of valve, work
Font valve can reduce the frictional force between supporting plane and I-shaped valve, improve use in channel circumference slight fluctuation
Service life；
2, supporting plane can carry out good assembly with I-shaped valve, when I-shaped valve moves down closing, can hinder
Only liquid cannot flow back from gap；
3, the use of the clamped cylindrical body in supporting plane lower end can be when I-shaped valve be opened, and the lower end of I-shaped valve cannot
It is close to supporting plane, liquid is allow to flow into pump chamber from peripheral clearance；
4, the fixed piezoelectric patches of sealing ring is utilized；
5, the cooperation of fastening screw and fastening nut fixes piezoelectric pump.
Detailed description of the invention
Fig. 1 is pump body structure cross-sectional view.
Fig. 2 is pump body structure schematic diagram.
Fig. 3 is I-shaped valve schematic diagram.
Fig. 4 is present apparatus perspective view of the explosion.
Fig. 5 is the cross-sectional view of the present apparatus.
Specific embodiment
In order to enable those skilled in the art to better understand the technical solutions of the present invention, with reference to the accompanying drawing 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 protection scope of the utility model
There is any restriction effect.
Please refer to Fig. 1~5, in the utility model embodiment, specific structure includes: a kind of floating type I-shaped valve piezoelectricity
Pump, the piezoelectric pump is by upper cover (1), the pump housing (2), sealing ring (3), piezoelectric patches (4), I-shaped valve (5), fastening screw (6), tight
Gu nut (7) forms；
A snout cavity (2-1) and one outlet chamber (2-2), snout cavity (2- is respectively set in the pump housing (2) lower end
1) have certain thickness supporting plane (2-3) with the upper end of outlet plenum (2-2) setting one, at the outlet plenum, support is flat
The clamped cylindrical body (2-4) of face upper end circumference array four, the arrangement rotation for being arranged as outlet plenum (2-2) of the snout cavity (2-1)
Turn 180 ° to form, the I-shaped valve upper and lower ends be it is round table-like, the vertical beam between is attached, I-shaped valve (5) circle
Mesa-shaped upper end cover is cooperated with the clamped cylindrical body upper surface (2-4) by contacting, another described I-shaped valve (5) rotary table
Shape upper end cover is engaged with clamped cylindrical body upper surface, and when liquid passes through this channel, I-shaped valve (5) can be to week
Enclose slight fluctuation, reduce the frictional force between I-shaped valve (5) and supporting plane (2-3), improve I-shaped valve (5) and
The service life of supporting plane；A clamped end of annular shape (2-5) is arranged in the pump housing (2) upper end, at circular clamped end
Piezoelectric patches (4) to be placed above (2-5), are put adhesive sealing circle (3) on the piezoelectric patches (4), function is fixed piezoelectric patches (4),
Upper cover (1) is installed in the pump housing upper end, and upper cover (1) center opens up a circular aperture (1-1), drawn coil by this hole
The pump housing simultaneously connects to power supply, 4 threaded holes (2-6) of the pump housing circumference array, 4 screw holes (1-2) of upper cover circumference array, tightly
Gu screw (6) is cooperated by the screw hole (1-2) of upper cover and the threaded hole (2-6) of the pump housing with fastening nut (7), reaches and open
The effect tightly entirely pumped.
The course of work of the utility model can be divided into first course of work and second course of work:
First course of work: piezoelectric patches (4) is under the stimulation of electric signal, and to upper cover (1) bending deformation, pump chamber volume increases
Greatly, pressure reduces, and the pump housing is inside and outside to generate pressure difference, and liquid passes through snout cavity (2-1) into pump chamber, work under the effect of the pressure
Font valve (5) will float upwards under the impact force of liquid very little, I-shaped with the cooperation of the supporting plane upper surface (2-3)
Valve (5) round table-like upper end cover will move up, and the opening degree of valve is gradually increased, and is achieved that the sucking of liquid；
Second course of work: piezoelectric patches (4) is under the stimulation of reversed electric signal, to pump chamber bending deformation, pump chamber volume compared with
Small, pressure increases, and the liquid in pump chamber passes through snout cavity (2-1) and outlet plenum (2-2) outflow under the effect of the pressure, I-shaped
Valve (5) floats downwards under the impact force action of liquid, and I-shaped valve (5) upper end cover of snout cavity will be with supporting plane (2-
3) it contacts, realizes the closing of snout cavity, liquid cannot flow out the pump housing by snout cavity；Liquid will be flowed out by outlet plenum,
I-shaped valve (5) will be floated downwards under the impact force action of very little, and I-shaped valve (5) upper end cover can be with clamped cylindrical body
The upper end (2-4) face contact, and then support I-shaped valve (5) prevents it from the upper and lower emersion pump housing, and liquid is from clamped cylindrical body
Outlet plenum is flowed out in the gap of the side (2-4), realizes the maximum amount of output of liquid, by the cycle operation of the two courses of work,
Macroscopically realize the sucking and discharge of liquid.
Specific case used herein is expounded the principles of the present invention and embodiment, and described above
It is adapted to assist in the method and its core concept for understanding the utility model.The above is only the preferred implementation side of the utility model
Formula, it is noted that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the art
For those of ordinary skill, without departing from the principle of this utility model, several improvement, retouching can also be made or become
Change, above-mentioned technical characteristic can also be combined in the right way；These improve retouching, variation or combination, or without changing
Other occasions are directly applied to by the conception and technical scheme of utility model, are regarded as the protection model of the utility model
It encloses.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of floating type I-shaped valve piezoelectric pump, it is characterised in that: the piezoelectric pump is by upper cover (1), the pump housing (2), sealing ring
(3), piezoelectric patches (4), I-shaped valve (5), fastening screw (6) and fastening nut (7) composition；The pump housing (2) the lower end setting one
The upper end of a snout cavity (2-1) and one outlet chamber (2-2), the snout cavity (2-1) and outlet plenum (2-2) is arranged one
With certain thickness supporting plane (2-3), I-shaped valve (5) is cooperated with supporting plane, on the pump housing (2) pump chamber
A clamped end of annular shape (2-5) is arranged in the side at end, and to place piezoelectric patches (4), sealing ring is installed in the piezoelectric patches upper end
(3), upper cover (1) is installed in the upper end of the pump housing, four threaded holes (2-6) of circumference array around the pump housing, upper cover (1) circle
4 screw holes (1-2) of all arrays pass through the spiral shell of threaded hole (2-6) and upper cover of fastening screw (6), fastening nut (7) and the pump housing
The cooperation in hole (1-2), achievees the purpose that fixed piezoelectric pump.
2. the floating type I-shaped valve piezoelectric pump of one kind according to claim 1, it is characterised in that: the branch at the outlet plenum
The clamped cylindrical body (2-4) in upper end plane (2-3) circumference array four is supportted, snout cavity (2-1) is arranged as outlet plenum (2-2) rotation
Turn 180 ° to form.
3. the floating type I-shaped valve piezoelectric pump of one kind according to claim 1, it is characterised in that: the I-shaped valve (5)
Upper and lower end caps be it is round table-like, between connection vertical beam be it is cylindric, upper and lower end caps are attached by intermediate vertical beam.
4. the floating type I-shaped valve piezoelectric pump of one kind according to claim 1, it is characterised in that: the supporting plane (2-
3) cooperated with I-shaped valve (5), the cavity diameter of installation connection vertical beam is greater than the diameter of connection vertical beam.
5. the floating type I-shaped valve piezoelectric pump of one kind according to claim 1, it is characterised in that: the upper cover center opens up
Coil is drawn by this hole and is attached with power supply by one circular aperture (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537161.4U CN208918796U (en) | 2018-09-20 | 2018-09-20 | A kind of floating type I-shaped valve piezoelectric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821537161.4U CN208918796U (en) | 2018-09-20 | 2018-09-20 | A kind of floating type I-shaped valve piezoelectric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208918796U true CN208918796U (en) | 2019-05-31 |
Family
ID=66706319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821537161.4U Expired - Fee Related CN208918796U (en) | 2018-09-20 | 2018-09-20 | A kind of floating type I-shaped valve piezoelectric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208918796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162902A (en) * | 2018-09-20 | 2019-01-08 | 长春工业大学 | A kind of floating type I-shaped valve piezoelectric pump |
| CN111980889A (en) * | 2020-09-29 | 2020-11-24 | 长春工业大学 | Semi-flexible integrated valve active piezoelectric pump |
-
2018
- 2018-09-20 CN CN201821537161.4U patent/CN208918796U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162902A (en) * | 2018-09-20 | 2019-01-08 | 长春工业大学 | A kind of floating type I-shaped valve piezoelectric pump |
| CN109162902B (en) * | 2018-09-20 | 2023-12-15 | 长春工业大学 | Floating type I-shaped valve piezoelectric pump |
| CN111980889A (en) * | 2020-09-29 | 2020-11-24 | 长春工业大学 | Semi-flexible integrated valve active piezoelectric pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208918796U (en) | A kind of floating type I-shaped valve piezoelectric pump | |
| AU608938B2 (en) | All dry submersible motor pump with a concordant seal system | |
| CN109162903A (en) | A kind of novel circular plate type float trap piezoelectric pump | |
| CN110886711A (en) | Constant-pressure control type thrust control device | |
| CN109162902A (en) | A kind of floating type I-shaped valve piezoelectric pump | |
| CN108204355A (en) | A kind of 3 points of clamped membrane valve piezoelectric pumps | |
| CN209083523U (en) | A kind of novel circular plate type float trap piezoelectric pump | |
| US3606597A (en) | Pump | |
| US2287841A (en) | Fluid transfer apparatus | |
| CN205026122U (en) | Proclaim oneself integrative case | |
| CN208996921U (en) | A kind of floating type cross valve piezoelectric pump | |
| CN208397378U (en) | A kind of pressure reducing valve | |
| CN207750209U (en) | A kind of planet-shaped piezoelectricity propulsion pump | |
| CN109162901A (en) | A kind of floating type cross valve piezoelectric pump | |
| US20080014100A1 (en) | Positive displacement hydro pump | |
| CN208826403U (en) | External pressure internal-suction type ceramic membrane test fixture | |
| CN208221047U (en) | A kind of 3 points of clamped membrane valve piezoelectric pumps | |
| CN208703193U (en) | Built-in check valve | |
| CN210974565U (en) | Natural gas synergistic mixing device | |
| CN203599007U (en) | Air supply type quantitative feeding mixing machine head on stirring shaft | |
| CN208396944U (en) | Centrifugal multistage pump multiple centrifugal pump | |
| CN207420831U (en) | A kind of Minitype electric diaphragm pump | |
| CN207750210U (en) | A kind of single-chamber piezoelectric pump propulsion device | |
| CN206816393U (en) | Fuel gas injection valve is oriented to outside a kind of piezoelectric type of through type with floating valve seat | |
| CN109707878A (en) | A kind of check valve and unidirectional variable pressure valve based on response diaphragm |
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: 20190531 Termination date: 20190920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |