CN207750211U - A kind of multiple entry chamber linkage type big flow piezoelectric pump - Google Patents
A kind of multiple entry chamber linkage type big flow piezoelectric pump Download PDFInfo
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- CN207750211U CN207750211U CN201721454019.9U CN201721454019U CN207750211U CN 207750211 U CN207750211 U CN 207750211U CN 201721454019 U CN201721454019 U CN 201721454019U CN 207750211 U CN207750211 U CN 207750211U
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- chamber
- cavity
- water
- end cap
- chamber lid
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Abstract
The utility model discloses a kind of multiple entry chamber linkage type big flow piezoelectric pump, including the pump housing and end cap, the pump housing includes cavity, bi-morph piezo-electric piece, fastening lid, valve body and sealing ring, and the end cap includes lid, single-chip piezoelectric patches and sealing ring；Pump housing bi-morph piezo-electric piece forms water sucting cavity with chamber outer wall, while the other side of bi-morph piezo-electric piece and the single-chip piezoelectric patches of the end cap form water chamber, and water sucting cavity is connect with water chamber by runner.Bi-morph piezo-electric piece that the utility model structure uses is that water sucting cavity and water chamber collectively constitute part, there is the double action that driving absorbs water and is discharged, when bi-morph piezo-electric piece is encouraged by electric signal, piezoelectric pump water sucting cavity absorbs water, the hydraulic pressure that the bi-morph piezo-electric piece of end cap piezoelectric patches cooperation simultaneously will be fed into water chamber goes out, it is linked by all cloth piezoelectric patches between chamber, has the characteristics that output flow is big under limited volume.
Description
Technical field
The utility model is related to a kind of piezoelectric pumps, specifically, being a kind of multiple entry chamber linkage type big flow piezoelectric pump.
Background technology
Piezoelectric pump is a kind of novel fluid driver, so that piezoelectric patches is deformed using inverse piezoelectric effect, makes the appearance of pump chamber
Product generates variation and pressure difference occurs, and then realizes fluid output.Compared with traditional mechanical hydraulic pamp, piezoelectric pump has structure letter
It is single, without many advantages such as electric jamming, tiny flow quantity be controllable, have in biologic medical, aerospace, equipment cooling etc. wide
General application prospect.
Existing piezoelectric pump can be divided into single-chamber pump and multi-cavity pump, and single-chamber piezoelectric pump is small but output flow is generally relatively low,
Multi-cavity piezoelectricity pump output flow is high but volume is larger.Current piezoelectric pump field generally existing driving density is low, unit volume output
The problems such as flow is small.
Utility model content
In order to solve the problems such as driving density is low, and unit volume output flow is small in above-mentioned piezoelectric pump field, this practicality is new
Type discloses a kind of multiple entry chamber linkage type big flow piezoelectric pump.
Technical solution used by the utility model is：The multiple entry chamber linkage type big flow piezoelectric pump includes end cap
(1), fastening nut (2), end part seal circle (3), single-chip piezoelectric patches (4), cavity (5), trip bolt (6), bi-morph piezo-electric
Piece (7), support rubber ring (8), chamber lid (9), check valve (10)；The end cap (1) passes through trip bolt (6) with cavity (5)
It is attached with fastening nut (2).
End cap (1) horizontal side is provided with seal groove (1-1) structure, and end cap (1) horizontal side is provided with interior
Chamber (1-2) structure is provided with wire guide (1-3) structure on end cap (1) internal chamber wall, and end cap (1) side is provided with four
A threaded hole (1-4) structure；The cavity (5) is provided with runner (5-1), the cavity (5) side is provided with string holes (5-2),
Threaded hole (5-4) there are four cavity (5) side is additionally provided with conical water outlet (5-3), the cavity (5) periphery is arranged
Structure, the cavity (5) are provided centrally with central chamber (5-5), the cavity (5) periphery is additionally provided with internal thread (5-6)；Institute
State that chamber lid (9) periphery is provided with screw thread (9-1), the chamber lid (9) side is provided with water inlet (9-2), the chamber lid (9) water
Plane side is provided with chamber lid inner cavity (9-3), the chamber lid (9) circumference side is provided with flow channel for liquids (9-4), chamber lid water inlet
Mouth (9-2) is equipped with valve pool (9-2-1) structure.
The bi-morph piezo-electric piece (7) and chamber lid inner cavity (9-3) constitute four of the piezoelectric pump be arranged circumferentially about enter
Water cavity, cavity (5) are screwed with internal thread (5-6) by screw thread (9-1) with chamber lid (9) and are connect；The cavity central chamber (5-5)
The water chamber that piezoelectric pump is formed with the bi-morph piezo-electric piece (7) of circumference and the single-chip piezoelectric patches (4) of end cap sidewall, enters water
Chamber is connected with water chamber by runner (5-1).
After piezoelectric pump is performed integrally assembly, each bi-morph piezo-electric piece (7) not only as chamber lid inner cavity (9-3) side wall but also
As the circumferential wall of central chamber (5-5), single-chip piezoelectric patches (4) coordinates circumference twin lamella pressure as chamber lid inner cavity (9-3) side wall
The drive part of electric piece (7) composition water chamber, the bi-morph piezo-electric piece (7) are encouraged by electric signal to cavity central chamber
When (5-5) Direction distortion, chamber lid inner cavity (9-3) water suction, while central chamber (5-5) compression cooperative end part single-chip piezoelectric patches (4)
Water is discharged；When the bi-morph piezo-electric piece (7) is encouraged by electric signal to chamber lid inner cavity (9-3) Direction distortion, in chamber lid
Hydraulic pressure is entered central chamber (5-5) water chamber by chamber (9-3) by runner (5-1), while central chamber (5-5) magnifies cooperative end part monocrystalline
Piece piezoelectric patches (4) completes pump housing water suction work.
The utility model has the beneficial effects that：
1, it different from traditional multi-cavity piezoelectric pump, is used into water cavity on multiple entry chamber linkage type big flow piezoelectricity pump configuration
Ring surrounds connection type between the chamber of water chamber, and all cloth bi-morph piezo-electric piece sides and pump housing outer wall are formed into water cavity, the other side with
End cap single-chip oscillator surrounds composition water chamber, is to collectively constitute part into water cavity and water chamber.Relationship between high associated chamber
And piezoelectric patches utilization rate, the inner space of the pump housing is can make full use of, keeps all cloth multi-cavity piezoelectric pumps more compared with common series/parallel
The volume smaller of chamber piezoelectric pump drives area bigger.
2, the two-sided application due to bi-morph piezo-electric piece in pump chamber structure, in operation principle, the utility model is compared to biography
System multi-cavity piezoelectric pump has apparent difference.Multiple entry chamber linkage type big flow piezoelectric pump at work, can utilize twin lamella
The bilateral displacement of piezoelectric patches is completed at the same time into water and water outlet work, improves synergistic effect ability and piezoelectric patches utilization rate between chamber,
Realize persistently pumping out for water body.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is that the utility model assembles appearance diagram.
Fig. 3 is the utility model side structure schematic view.
Fig. 4 is the utility model cavity body structure schematic diagram.
Fig. 5 is the utility model cavity cap structure schematic diagram.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with attached drawing.
Shown in referring to Fig.1~3, a kind of multiple entry chamber linkage type big flow piezoelectric pump of the utility model, by end cap 1, tightly
Gu nut 2, end part seal circle 3, single-chip piezoelectric patches 4, cavity 5, trip bolt 6, bi-morph piezo-electric piece 7 support rubber ring 8,
Chamber lid 9, check valve 10 form, wherein：
The utility model chamber lid 9 is fastened on by screw thread 9-1 and internal thread 5-6 on cavity 5, in conjunction with bi-morph piezo-electric
Four of the composition circle distribution of piece 7 enter water cavity；End cap 1 is connected to by fastening nut 2 and trip bolt 6 on cavity, in conjunction with double
The water chamber for the inner cavity composition piezoelectric pump that 7 circumference of chip piezoelectric patches surrounds.End cap (1) horizontal side is provided with seal groove
(1-1) structure, end cap (1) horizontal side are provided with inner cavity (1-2) structure, are provided with and lead on end cap (1) internal chamber wall
String holes (1-3) structure, there are four threaded hole (1-4) structures for end cap (1) the side setting；The cavity (5) is provided with runner
(5-1), the cavity (5) side are provided with string holes (5-2), the cavity (5) side is additionally provided with conical water outlet (5-3),
Cavity (5) periphery setting there are four threaded hole (5-4) structure, the cavity (5) be provided centrally with central chamber (5-5),
Cavity (5) periphery is additionally provided with internal thread (5-6)；Chamber lid (9) periphery is provided with screw thread (9-1), the chamber
(9) side is provided with water inlet (9-2) to lid, the chamber lid (9) horizontal side is provided with chamber lid inner cavity (9-3), the chamber lid (9)
Circumference side is provided with flow channel for liquids (9-4), the chamber lid water inlet (9-2) is equipped with valve pool (9-2-1) structure.
In the utility model, the bi-morph piezo-electric piece (7) constitute the piezoelectric pump with chamber lid inner cavity (9-3) four are in
Circumference enters water cavity, and cavity (5) is screwed with internal thread (5-6) by screw thread (9-1) with chamber lid (9) and connect；The chamber
Body central chamber (5-5) forms piezoelectricity with the bi-morph piezo-electric piece (7) of circumference and the single-chip piezoelectric patches (4) of end cap sidewall
The water chamber of pump enters water cavity and is connected by runner (5-1) with water chamber, enters between water cavity and water chamber through runner 5-1 and stream
Road 9-4 is connected to, and the liquid of sucking is sent by runner in central water outlet chamber by all cloth water sucting cavities, is then discharged via cavity taper
Mouth 5-3 exports water.
The utility model pump housing circumference arranges single water chamber, bi-morph piezo-electric there are four water cavity, pump body is entered
Piece is the part that collectively constitutes that piezoelectricity is pumped into water cavity and water chamber, and structure integrally improves the space availability ratio of conventional piezoelectric pump.
With reference to shown in Fig. 4, the piezoelectric pump pump chamber is cylinder, and end is equipped with is provided with chamber lid slot with end cap link slot, surrounding,
Middle part is hollow, and tail portion is equipped with water outlet taper road 5-3；Outside is equipped with connection screw thread hole 5-4, is internally provided with and enters water cavity connecting passage
5-1。
Referring to Figure 5, which is the main composition part into water cavity, the spiral shell that chamber lid is equipped with by periphery
Line structure 9-1, which is screwed, to be connected on pump chamber, and valve pool is equipped at chamber lid lateral inflow mouth and puts check valve 10；Chamber lid chamber after assembly
Liquid is transported in water chamber by as chamber lid inner cavity by the runner being arranged in chamber lid.
After piezoelectric pump is performed integrally assembly, each bi-morph piezo-electric piece (7) not only as chamber lid inner cavity (9-3) side wall but also
As the circumferential wall of central chamber (5-5), single-chip piezoelectric patches (4) coordinates circumference twin lamella pressure as chamber lid inner cavity (9-3) side wall
The drive part of electric piece (7) composition water chamber, the bi-morph piezo-electric piece (7) are encouraged by electric signal to cavity central chamber
When (5-5) Direction distortion, chamber lid inner cavity (9-3) water suction, while central chamber (5-5) compression cooperative end part single-chip piezoelectric patches (4)
Water is discharged；When the bi-morph piezo-electric piece (7) is encouraged by electric signal to chamber lid inner cavity (9-3) Direction distortion, in chamber lid
Hydraulic pressure is entered central chamber (5-5) water chamber by chamber (9-3) by runner (5-1), while central chamber (5-5) magnifies cooperative end part monocrystalline
Piece piezoelectric patches (4) completes pump housing water suction work.
Specifically the principles of the present invention and embodiment are expounded herein, the explanation of above example is only used
Understand the method and its core concept of the utility model in help.The above is only the preferred embodiment of the utility model,
It should be pointed out that due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common of the art
For technical staff, without departing from the principle of this utility model, several improvement, retouching or variation can also be made,
Above-mentioned technical characteristic can be combined in the right way；These improve retouching, variation or combination, or it is not improved will be real
Other occasions are directly applied to novel design and technical solution, are regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of multiple entry chamber linkage type big flow piezoelectric pump, which is characterized in that including end cap (1), fastening nut (2), end
Portion's sealing ring (3), single-chip piezoelectric patches (4), cavity (5), trip bolt (6), bi-morph piezo-electric piece (7), support rubber ring
(8), chamber lid (9), check valve (10)；
Wherein, end cap (1) horizontal side is provided with seal groove (1-1) structure, and end cap (1) horizontal side is provided with interior
Chamber (1-2) structure is provided with wire guide (1-3) structure on end cap (1) internal chamber wall, and end cap (1) side is provided with four
A threaded hole (1-4) structure；The cavity (5) is provided with runner (5-1), the cavity (5) side is provided with string holes (5-2),
Threaded hole (5-4) there are four cavity (5) side is additionally provided with conical water outlet (5-3), the cavity (5) periphery is arranged
Structure, the cavity (5) are provided centrally with central chamber (5-5), the cavity (5) periphery is additionally provided with internal thread (5-6)；Institute
State that chamber lid (9) periphery is provided with screw thread (9-1), the chamber lid (9) side is provided with water inlet (9-2), the chamber lid (9) water
Plane side is provided with chamber lid inner cavity (9-3), the chamber lid (9) circumference side is provided with flow channel for liquids (9-4), chamber lid water inlet
Mouth (9-2) is equipped with valve pool (9-2-1) structure.
2. a kind of multiple entry chamber linkage type big flow piezoelectric pump according to claim 1, it is characterised in that：Described is double
Chip piezoelectric patches (7) and chamber lid inner cavity (9-3) constitute four of the piezoelectric pump be arranged circumferentially about enter water cavity, cavity (5) and chamber
Lid (9), which is screwed by screw thread (9-1) with internal thread (5-6), to be connect；The twin crystal of cavity central chamber (5-5) and circumference
The single-chip piezoelectric patches (4) of piece piezoelectric patches (7) and end cap sidewall forms the water chamber of piezoelectric pump, enters water cavity and passes through stream with water chamber
Road (5-1) is connected.
3. a kind of multiple entry chamber linkage type big flow piezoelectric pump according to claim 1, it is characterised in that：The end
Lid (1) is attached with cavity (5) by trip bolt (6) and fastening nut (2).
4. a kind of multiple entry chamber linkage type big flow piezoelectric pump according to claim 1, it is characterised in that：Work as piezoelectric pump
After being performed integrally assembly, each bi-morph piezo-electric piece (7) not only as chamber lid inner cavity (9-3) side wall but also as central chamber (5-5)
Circumferential wall, single-chip piezoelectric patches (4) form water chamber as chamber lid inner cavity (9-3) side wall cooperation circumference bi-morph piezo-electric piece (7)
Drive part.
5. a kind of multiple entry chamber linkage type big flow piezoelectric pump according to claim 1, it is characterised in that：Described is double
When chip piezoelectric patches (7) is encouraged by electric signal to cavity central chamber (5-5) Direction distortion, chamber lid inner cavity (9-3) water suction, simultaneously
Water is discharged central chamber (5-5) compression cooperative end part single-chip piezoelectric patches (4)；The bi-morph piezo-electric piece (7) is by telecommunications
When number encouraging to chamber lid inner cavity (9-3) Direction distortion, hydraulic pressure is entered central chamber (5-5) by chamber lid inner cavity (9-3) by runner (5-1)
Water chamber, while central chamber (5-5) magnifies cooperative end part single-chip piezoelectric patches (4) and completes pump housing water suction work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454019.9U CN207750211U (en) | 2017-11-03 | 2017-11-03 | A kind of multiple entry chamber linkage type big flow piezoelectric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721454019.9U CN207750211U (en) | 2017-11-03 | 2017-11-03 | A kind of multiple entry chamber linkage type big flow piezoelectric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207750211U true CN207750211U (en) | 2018-08-21 |
Family
ID=63147156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721454019.9U Expired - Fee Related CN207750211U (en) | 2017-11-03 | 2017-11-03 | A kind of multiple entry chamber linkage type big flow piezoelectric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207750211U (en) |
-
2017
- 2017-11-03 CN CN201721454019.9U patent/CN207750211U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20191103 |