CN210386351U - Piezoelectric liquid spraying device - Google Patents
Piezoelectric liquid spraying device Download PDFInfo
- Publication number
- CN210386351U CN210386351U CN201921120527.2U CN201921120527U CN210386351U CN 210386351 U CN210386351 U CN 210386351U CN 201921120527 U CN201921120527 U CN 201921120527U CN 210386351 U CN210386351 U CN 210386351U
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- liquid
- ring
- piezoelectric
- water conservancy
- conservancy diversion
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Abstract
The utility model discloses a piezoelectric liquid spraying device, which comprises a diversion shell and a driving component, wherein the diversion shell comprises a liquid inlet and a liquid outlet, the driving component is arranged at the liquid inlet of the diversion shell, and the driving component drives the liquid in the inner cavity of the diversion shell to flow towards the liquid outlet; the water conservancy diversion casing is cyclic annular shell structure, drive assembly includes the piezoceramics piece, the coaxial interval of piezoceramics piece sets up the inlet port department at the water conservancy diversion casing, form inlet channel between the rampart of piezoceramics piece and water conservancy diversion casing, the reciprocal vibrations of axial of water conservancy diversion casing is followed to the piezoceramics piece, and its volume is less, simple structure, and application scope is wide.
Description
Technical Field
The utility model belongs to the advancing device field, in particular to piezoelectricity liquid spray device.
Background
Most propelling devices used in liquid are large in size and complex in structure and are generally used in large instruments, but most propelling devices cannot be applied to special occasions when smaller propelling devices are needed.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the deficiencies in the prior art, the utility model provides a piezoelectricity hydrojet device, its volume is less, and simple structure can promote its application scope.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
a piezoelectric liquid spraying device comprises a flow guide shell and a driving assembly, wherein the flow guide shell comprises a liquid inlet and a liquid outlet, the driving assembly is arranged at the liquid inlet of the flow guide shell, and the driving assembly drives liquid in an inner cavity of the flow guide shell to flow to the liquid outlet; the water conservancy diversion casing is cyclic annular shell structure, drive assembly includes the piezoceramics piece, the coaxial interval of piezoceramics piece sets up the inlet port department at the water conservancy diversion casing, form inlet channel between the rampart of piezoceramics piece and water conservancy diversion casing, the reciprocal vibrations of axial of water conservancy diversion casing is followed to the piezoceramics piece.
Furthermore, a connecting seat is arranged at the liquid inlet, the connecting seat comprises an outer connecting sleeve and a reversing ring arranged in an inner ring of the outer connecting sleeve, the driving assembly is connected to the diversion shell through the outer connecting sleeve, the reversing ring is of an annular structure, and the reversing ring is arranged between the liquid inlet and the liquid outlet at an interval between the piezoelectric ceramic sheets; and liquid passing through the liquid inlet channel flows to the axial area of the piezoelectric ceramic piece through the guide of the reversing ring.
Furthermore, the connecting seat further comprises a connecting ring, the connecting ring is of an annular structure coaxially arranged on the inner ring of the outer connecting sleeve, and a plurality of liquid through holes are formed in the connecting ring in a penetrating mode along the axial direction.
Furthermore, the liquid inlet end of the connecting ring is provided with an annular filter plate.
Furthermore, the driving assembly further comprises a fixed seat, an installation cavity is concavely arranged at one end of the fixed seat corresponding to the liquid inlet, the piezoelectric ceramic piece is arranged at the opening of the installation cavity in a sealing manner, and a power supply assembly is arranged in the installation cavity; the piezoelectric ceramic piece is powered by a power supply assembly to generate vibration.
Furthermore, the liquid outlet is provided with a direction-adjustable nozzle.
Has the advantages that: the utility model has the advantages that the piezoelectric ceramic piece generates reciprocating deformation action in the power-on state, the high-frequency reciprocating deformation action further generates vibration, when the piezoelectric ceramic piece deforms to one side far away from the liquid outlet, the volume in the inner cavity of the diversion shell is increased, and the liquid is poured into the diversion shell from the liquid inlet; when the piezoelectric ceramic piece deforms towards one side of the liquid outlet, the volume of the inner cavity of the diversion shell is reduced, liquid is extruded outwards from the liquid outlet to generate pushing water flow, and the liquid in the inner cavity of the diversion shell continuously circulates between liquid inlet and liquid outlet through the reciprocating deformation of the piezoelectric ceramic piece, so that the liquid spraying effect of the diversion shell is continuously achieved; and the volume is smaller, the structure is simple, and the application range can be improved.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a perspective view of the overall structure of the present invention;
FIG. 4 is a schematic view of the whole structure of the present invention in a semi-sectional view from A-A;
FIG. 5 is a schematic semi-sectional perspective view of the overall structure of the present invention;
FIG. 6 is a schematic structural view of the connection seat and the filter plate of the present invention;
fig. 7 is a schematic diagram of the liquid flow of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 7, a piezoelectric liquid spraying device includes a diversion housing 1 and a driving assembly 2, the diversion housing 1 includes a liquid inlet 10 and a liquid outlet 11, the driving assembly 2 is disposed at the liquid inlet 10 of the diversion housing 1, and the driving assembly 2 drives liquid in an inner cavity of the diversion housing 1 to flow toward the liquid outlet 11 to complete liquid spraying, and the liquid outlet 11 is provided with a direction-adjustable nozzle 16 for adjusting a direction of the liquid spraying.
The guide shell 1 is a conical annular shell structure, the large end of the guide shell is a liquid inlet, the liquid inlet amount and the liquid inlet speed of the guide shell are increased, and the small end of the guide shell is a liquid outlet, so that the speed of liquid flowing out is increased, and larger thrust is easy to generate. The driving assembly 2 comprises a piezoelectric ceramic piece 5, the piezoelectric ceramic piece is communicated with alternating current, the piezoelectric ceramic piece 5 is coaxially arranged at the position of a liquid inlet 10 of the diversion shell 1 at an interval, a liquid inlet channel is formed between the piezoelectric ceramic piece 5 and the annular wall of the diversion shell 1, the piezoelectric ceramic piece 5 vibrates in a reciprocating mode along the axial direction of the diversion shell, the vibration is formed by the reciprocating mechanical deformation of the electrified piezoelectric ceramic piece, when the piezoelectric ceramic piece deforms towards one side far away from the liquid outlet, the volume of the inner cavity of the diversion shell is increased, and liquid flows into the diversion shell from the liquid inlet; when the piezoelectric ceramic piece deforms towards one side of the liquid outlet, the volume of the inner cavity of the flow guide shell is reduced, and liquid is extruded outwards from the liquid outlet to generate pushing water flow.
As shown in fig. 3 and fig. 4, a connecting seat 3 is arranged at the liquid inlet 10, the connecting seat 3 includes an outer connecting sleeve 7 and a reversing ring 8 arranged in an inner ring of the outer connecting sleeve 7, the outer connecting sleeve 7 is of a circular structure, the driving assembly 2 is connected to the liquid inlet of the flow guide housing 1 through the outer connecting sleeve 7, the reversing ring 8 is of a circular structure, the inner diameter of the reversing ring is not larger than the outer diameter of the piezoelectric ceramic piece, and the reversing ring 8 is coaxially arranged between the liquid inlet 10 and the liquid outlet 11 at an interval between the piezoelectric ceramic piece 5; through switching-over ring 8 so that the liquid that inlet channel flowed in commutates through the rampart of switching-over ring 8 for liquid flows radially from the axial flow deformation, through inlet channel's liquid flows to piezoceramics piece 5's axial region through 8 direction of switching-over ring, and liquid after the switching-over can all enter into piezoceramics piece 5's amplitude region in, then liquid flows to one side of liquid outlet 11 through piezoceramics piece 5's vibrations, and it is outside until flowing out to direction casing 1, produces propulsion rivers.
The connecting seat 3 further comprises a connecting ring 9, the distance between the connecting ring 9 and the reversing ring 8 is equal to that between the connecting ring 9 and the inner ring of the outer connecting sleeve 7, the connecting ring 9 is of an annular structure coaxially arranged, and the connecting ring 9 is axially communicated with a plurality of liquid through holes 12. As shown in fig. 6, the connecting ring 9 is integrally disposed with the outer connecting sleeve 7, and the connecting ring 9 is divided into a plurality of block-shaped structures separated from each other by a plurality of liquid through holes 12, so that the connecting seat is substantially in a grid-shaped structure with internal splines to guide liquid to flow to the piezoelectric ceramic plate.
The liquid inlet end of the connecting ring 9 is provided with an annular filter plate 13 to filter the liquid inlet and prevent blockage.
The driving assembly 2 further comprises a fixed seat 4, a T-shaped mounting cavity 14 is concavely arranged at one end, corresponding to the liquid inlet 10, of the fixed seat 4, a sealing ring 15 is arranged at the position of the piezoelectric ceramic piece 5 and a shoulder, the piezoelectric ceramic piece 5 is pressed on the sealing ring 5 through a nut 6, the piezoelectric ceramic piece 5 is arranged at an opening of the mounting cavity 14 in a sealing mode through the sealing ring 15, and a power supply assembly is arranged in the mounting cavity 14 and mainly serves as a driving circuit for driving the piezoelectric ceramic piece to vibrate; the piezoelectric ceramic piece 5 is powered by a power supply assembly to generate vibration. The mounting cavity 14 is a sealed cavity, the inside of the mounting cavity is mainly accommodated with a circuit for electrifying a piezoelectric ceramic piece, the piezoelectric ceramic piece is arranged on the sealing ring in a disc shape, and the piezoelectric ceramic piece generates mechanical vibration under the excitation of a driving control circuit with certain oscillation frequency, so that the liquid in the conical diversion shell is pushed to be sprayed out from the guide nozzle.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (6)
1. A piezoelectric liquid ejection apparatus, characterized in that: the device comprises a flow guide shell (1) and a driving assembly (2), wherein the flow guide shell (1) comprises a liquid inlet (10) and a liquid outlet (11), the driving assembly (2) is arranged at the liquid inlet (10) of the flow guide shell (1), and the driving assembly (2) drives liquid in an inner cavity of the flow guide shell (1) to flow to the liquid outlet (11); the utility model discloses a water conservancy diversion casing, including water conservancy diversion casing (1), drive assembly (2) include piezoceramics piece (5), piezoceramics piece (5) coaxial interval sets up inlet (10) department at water conservancy diversion casing (1), form inlet channel between the rampart of piezoceramics piece (5) and water conservancy diversion casing (1), piezoceramics piece (5) are along the reciprocal vibrations of axial of water conservancy diversion casing.
2. A piezoelectric liquid spraying apparatus according to claim 1, wherein: the liquid inlet (10) is provided with a connecting seat (3), the connecting seat (3) comprises an outer connecting sleeve (7) and a reversing ring (8) arranged in the inner ring of the outer connecting sleeve (7), the driving component (2) is connected to the flow guide shell (1) through the outer connecting sleeve (7), the reversing ring (8) is of an annular structure, and the reversing ring (8) is arranged between the liquid inlet (10) and the liquid outlet (11) at an interval of the piezoelectric ceramic piece (5); the liquid passing through the liquid inlet channel flows to the axial area of the piezoelectric ceramic piece (5) through the direction of the reversing ring (8).
3. A piezoelectric liquid ejecting apparatus according to claim 2, wherein: the connecting seat (3) further comprises a connecting ring (9), the connecting ring (9) is of an annular structure which is coaxially arranged at the inner ring of the outer connecting sleeve (7), and the connecting ring (9) is axially communicated with a plurality of liquid through holes (12).
4. A piezoelectric liquid spraying apparatus according to claim 3, wherein: and an annular filter plate (13) is arranged at the liquid inlet end of the connecting ring (9).
5. A piezoelectric liquid spraying apparatus according to claim 1, wherein: the driving assembly (2) further comprises a fixed seat (4), an installation cavity (14) is concavely arranged at one end, corresponding to the liquid inlet (10), of the fixed seat (4), the piezoelectric ceramic piece (5) is arranged at an opening of the installation cavity (14) in a sealing mode, and a power supply assembly is arranged in the installation cavity (14); the piezoelectric ceramic piece (5) is powered by a power supply assembly to generate vibration.
6. A piezoelectric liquid spraying apparatus according to claim 1, wherein: the liquid outlet (11) is provided with a direction-adjustable nozzle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120527.2U CN210386351U (en) | 2019-07-17 | 2019-07-17 | Piezoelectric liquid spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120527.2U CN210386351U (en) | 2019-07-17 | 2019-07-17 | Piezoelectric liquid spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210386351U true CN210386351U (en) | 2020-04-24 |
Family
ID=70354895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921120527.2U Expired - Fee Related CN210386351U (en) | 2019-07-17 | 2019-07-17 | Piezoelectric liquid spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210386351U (en) |
-
2019
- 2019-07-17 CN CN201921120527.2U patent/CN210386351U/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 |
Granted publication date: 20200424 Termination date: 20210717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |