CN215595846U - Novel combined ultrasonic piezoelectric pump - Google Patents
Novel combined ultrasonic piezoelectric pump Download PDFInfo
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- CN215595846U CN215595846U CN202121850199.9U CN202121850199U CN215595846U CN 215595846 U CN215595846 U CN 215595846U CN 202121850199 U CN202121850199 U CN 202121850199U CN 215595846 U CN215595846 U CN 215595846U
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Abstract
The utility model discloses a novel combined ultrasonic piezoelectric pump which comprises a shell, a cover body and an ultrasonic valve body assembly, wherein a quick connecting structure and a sealing structure are arranged between the shell and the cover body, and the shell is provided with a water inlet pipeline, a water outlet pipeline and a cavity. According to the utility model, through the optimization of the structure, the stability of the liquid supply flow is ensured, and simultaneously, the whole volume and thickness of the novel combined ultrasonic piezoelectric pump are reduced, so that the novel combined ultrasonic piezoelectric pump can be applied to smaller equipment, and the applicability is improved; by the multiple sealing structure provided by the sealing structure, the sealing effect is improved, the leakage of liquid at a hollow leakage position is prevented, and the stability and the precision of the liquid supply flow are improved; make to constitute between casing and the lid through setting up quick connect structure and can dismantle the connection, and improve maintenance efficiency, when breaking down, need not whole change, only need change the internal component can, save the cost.
Description
Technical Field
The utility model relates to the technical field of piezoelectric pumps, in particular to a novel combined ultrasonic piezoelectric pump.
Background
In modern industrial production and daily life, the problem of high-precision control is always one of the key points of attention of people. Particularly, in scientific experiments, the amount of the liquid dropped has a very obvious influence on the experimental results and the like. In conventional modes of operation, one typically needs to manually drip minute amounts of liquid. This method is time-consuming and labor-intensive, and does not allow for strict control of the amount of liquid added. Therefore, the piezoelectric pump is invented for supplying liquid to the conveyor, but the existing piezoelectric pump has the problems of complex structure, short service life, large volume, low control precision and the like, and the piezoelectric pump has low applicability due to the large volume; the existing piezoelectric pump is low in sealing performance, liquid leakage is easy to occur, liquid supply flow is unstable, liquid supply flow precision is affected, and therefore subsequent experimental test precision and efficiency are affected; the existing piezoelectric pump is of an integrated structure and cannot be disassembled, and when a fault occurs, the piezoelectric pump needs to be integrally replaced, so that the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to present technique not enough, provide a novel combination formula ultrasonic wave piezoelectric pump.
The technical scheme adopted by the utility model for realizing the purpose is as follows:
the utility model provides a novel combination formula ultrasonic wave piezoelectric pump includes casing and lid, be equipped with quick connect structure and seal structure between casing and the lid, the casing is equipped with inlet channel, outlet conduit and cavity, the relative setting in the below of cavity of inlet channel and outlet conduit mirror image, the cavity is equipped with ultrasonic wave valve body subassembly, the casing still is equipped with two locating holes, two the locating hole sets up the diagonal angle department at the casing upper surface respectively, the lid still is equipped with two reference columns, two the reference column sets up respectively the diagonal angle department of lid bottom surface.
The improved structure comprises a sealing groove and a circular convex block, wherein the sealing groove is arranged at the upper edge of the cavity, the sealing groove is provided with an annular groove, the circular convex block is provided with an annular convex block, the circular convex block is connected with the sealing groove in a matched mode, the annular convex block is connected with the annular groove in a matched mode, the cavity is a step cavity and comprises a first cavity, a second cavity and a third cavity, the second cavity is arranged below the first cavity, and the third cavity is arranged below the second cavity.
The improved water-saving device is characterized in that the first cavity and the second cavity are circular cavities, the third cavity is an 8-shaped cavity formed by two circular cavities, the two circular cavities are respectively communicated with the water inlet pipeline and the water outlet pipeline, and the third cavity is also provided with a positioning notch.
The ultrasonic valve body assembly comprises a piezoelectric ceramic piece, an electrode piece, a switch valve movable piece and a flow valve movable piece, wherein the piezoelectric ceramic piece is arranged in the first cavity, the electrode piece is arranged in the second cavity, the switch valve movable piece is arranged below the flow valve movable piece, the switch valve movable piece and the flow valve movable piece are both arranged in the third cavity, and the switch valve movable piece and the flow valve movable piece are both provided with a first positioning lug.
The improved water outlet valve is characterized in that the improved water outlet valve is further improved, the movable piece of the flow valve is provided with a first through hole and a second through hole, the movable piece of the switch valve is provided with a first movable piece and a second movable piece, the second movable piece is provided with a plurality of notches, the first movable piece is arranged below the through hole, the second movable piece is arranged below the through hole, the water inlet pipeline is further provided with a water inlet and a water inlet hole, the water outlet pipeline is further provided with a water outlet and a water outlet hole, the water inlet is arranged below the second movable piece, the water outlet is arranged below the movable piece, and the water outlet is provided with a cylinder.
The diameter of the first through hole is smaller than that of the second through hole, and the diameter of the water outlet is larger than that of the water inlet.
The improved switch valve is characterized in that the thickness of the switch valve movable sheet is larger than 3mm, and the thickness of the flow valve movable sheet is smaller than that of the switch valve movable sheet.
The improved structure comprises a plurality of hooks and a plurality of grooves, wherein the hooks are arranged on the outer side of the cover body, and the grooves are arranged on the outer side of the shell.
The utility model has the beneficial effects that: according to the utility model, through the optimization of the structure, the stability of the liquid supply flow is ensured, and simultaneously, the whole volume and the thickness of the novel combined ultrasonic piezoelectric pump are reduced, so that the novel combined ultrasonic piezoelectric pump can be applied to smaller equipment, the applicability is improved, the liquid supply flow precision is higher through the cooperative work of the piezoelectric ceramic piece, the electrode piece, the switch valve movable piece and the flow valve movable piece in the cavity, the vibration frequency of the piezoelectric ceramic piece is controlled and adjusted through adjusting an electric signal, the water inlet/outlet amount of the whole system is controlled, and the control precision is higher; the positioning columns and the positioning holes are correspondingly positioned and connected, so that the alignment of the connecting positions between the shell and the cover body is ensured, the connecting sealing property between the shell and the cover body is ensured, the multiple sealing structures provided by the sealing structures are combined, the sealing effect is greatly improved, the phenomenon of liquid leakage at a hollow leakage position is prevented, and the stability of the liquid supply flow and the liquid supply precision of the novel combined ultrasonic piezoelectric pump are ensured; make to constitute through setting up quick connect structure and can dismantle the connection between casing and the lid, and be convenient for quick erection joint or the dismantlement action between casing and the lid to be convenient for carry out quick replacement to inside ultrasonic wave valve body subassembly, improve maintenance efficiency, and when breaking down, need not whole change, only need change the internal component can, save the cost.
The utility model is further described with reference to the following detailed description and accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall structure of the novel combined ultrasonic piezoelectric pump according to this embodiment;
fig. 2 is a schematic cross-sectional view of the novel combined ultrasonic piezoelectric pump according to the embodiment;
FIG. 3 is an enlarged view of A in the present embodiment;
fig. 4 is an exploded view of the novel combined ultrasonic piezoelectric pump according to the present embodiment;
fig. 5 is a schematic view of the structure of the cover body in the present embodiment.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
In the embodiment, referring to fig. 1 to 5, a novel combined ultrasonic piezoelectric pump 1 includes a casing 2 and a cover 3, a quick connection structure 4 and a sealing structure 5 are disposed between the casing 2 and the cover 3, the casing 2 is provided with a water inlet pipe 6, a water outlet pipe 7 and a cavity 8, the water inlet pipe 6 and the water outlet pipe 7 are arranged below the cavity 8 in a mirror-image manner, the cavity 8 is provided with an ultrasonic valve assembly 9, the casing 2 is further provided with two positioning holes 20, the two positioning holes 20 are respectively arranged at opposite corners of the upper surface of the casing 2, the cover 3 is further provided with two positioning posts 30, the two positioning posts 30 are respectively arranged at opposite corners of the bottom surface of the cover 3, the positioning posts 30 are respectively connected with the positioning holes 20 in a corresponding manner, so as to ensure the alignment of the connection positions between the casing 2 and the cover 3, and thus ensure the connection sealing property between the casing 2 and the cover 3, the subsequent work efficiency of the novel combined ultrasonic piezoelectric pump 1 is improved.
The sealing structure 5 comprises a sealing groove 50 and a circular bump 51, the sealing groove 50 is arranged at the upper edge of the cavity 8, the sealing groove 50 is provided with an annular groove 500, the circular projection 51 is provided with an annular projection 510, the circular projection 51 is matched and connected with the sealing groove 50, the annular projection 510 is matched and connected with the annular groove 500, the sealing structure 5 is used for providing multiple sealing, thereby improving the sealing effect, preventing the leakage of liquid at the hollow leakage position, ensuring the stability of the liquid supply flow and the liquid supply precision of the novel combined ultrasonic piezoelectric pump 1, the cavity 8 is a step cavity, the cavity 8 comprises a first cavity 80, a second cavity 81 and a third cavity 82, the second cavity 81 is disposed below the first cavity 80, and the third cavity 82 is disposed below the second cavity 81.
The first cavity 80 and the second cavity 81 are both circular cavities, the third cavity 82 is an 8-shaped cavity formed by two first circular cavities, the two first circular cavities are respectively communicated with the water inlet pipeline 6 and the water outlet pipeline 7, the third cavity 82 is further provided with a positioning notch 820, the ultrasonic valve body assembly 9 comprises a piezoelectric ceramic piece 90, an electrode piece 91, a switch valve movable piece 92 and a flow valve movable piece 93, the piezoelectric ceramic piece 90 and the electrode plate 91 are both provided with cables, the piezoelectric ceramic piece 90 is arranged in the first cavity 80, the first cavity 80 is used for providing a movable space for the piezoelectric ceramic piece 90 to vibrate up and down, the electrode piece 91 is arranged in the second cavity 81, the second cavity 81 is used for providing a moving space for the piezoelectric ceramic piece 90 to move up and down, and the third cavity 82 is used for providing a moving space for the switch valve moving piece 92 and the flow valve moving piece 93.
The switch valve movable sheet 92 is arranged below the flow valve movable sheet 93, the switch valve movable sheet 92 and the flow valve movable sheet 93 are both arranged in the third cavity 82, the switch valve movable sheet 92 and the flow valve movable sheet 93 are both provided with a first positioning lug 94, and the first positioning lug 94 is matched with the positioning notch 820, so that the switch valve movable sheet 92 and the flow valve movable sheet 93 are guaranteed to move up and down along the third cavity 82 in the working process, horizontal displacement cannot occur, and the stability of liquid supply flow and the precision of liquid supply flow are guaranteed.
The flow valve movable plate 93 is provided with a first through hole 930 and a second through hole 931, the switch valve movable plate 92 is provided with a first movable plate 920 and a second movable plate 921, the second movable plate 921 is provided with a plurality of notches 9210, the first movable plate 920 is arranged below the first through hole 930, the second movable plate 921 is arranged below the second through hole 931, the water inlet pipe 6 is further provided with a water inlet 60 and a water inlet 61, the water outlet pipe 7 is further provided with a water outlet 70 and a water outlet 71, the water inlet 60 is arranged below the second movable plate 921, the water outlet 70 is arranged below the first movable plate 920, the water outlet 70 is provided with a cylinder 700, the diameter of the first through hole 930 is smaller than the second through hole 931, the diameter of the water outlet 70 is larger than the water inlet 60, the thickness of the switch valve movable plate 92 is larger than 3mm, and the thickness of the flow valve movable plate 93 is smaller than the switch valve movable plate 92, the switch valve movable sheet 92 and the flow valve movable sheet 93 are used for controlling the switch valve movable sheet 92 and the flow valve movable sheet 93 to realize water inlet and outlet actions when the piezoelectric ceramic sheet 90 drives the electrode sheet 91 to vibrate up and down.
The working principle of the utility model is as follows: when an electric signal is input, the piezoelectric ceramic sheet drives the electrode sheet to vibrate up and down. When the piezoelectric ceramic plate moves upwards, the switch valve movable sheet and the flow valve movable sheet move upwards. Because the thickness of the movable sheet of the flow valve is thicker, the vibration amplitude is small. Therefore, the movable sheet on the movable sheet of the switch valve at the water outlet side is pressed by the movable sheet of the flow valve for a moment, and the movable sheet II on the movable sheet of the switch valve at the water inlet side can move upwards, thereby achieving the effect of water inlet at one side.
When the piezoelectric ceramic plate moves downwards, the second movable plate on the movable plate of the switch valve on the water inlet side is propped against the water inlet and cannot move downwards; and the first movable sheet on the movable sheet of the switch valve at the water outlet side can move downwards due to the lower cylinder of the water outlet, and liquid can flow out from one side of the water outlet.
When the input electric signals have certain frequency, the piezoelectric ceramic sheet can vibrate up and down at the corresponding frequency, and finally the formed effect is that water enters from one side of the water inlet hole and exits from one side of the water outlet hole, and the process is repeated. By adjusting the frequency of the electric signal, the vibration frequency of the piezoelectric ceramic piece can be adjusted, and the water inlet/outlet amount of the whole system is controlled.
According to the utility model, through the optimization of the structure, the stability of the liquid supply flow is ensured, and simultaneously, the whole volume and the thickness of the novel combined ultrasonic piezoelectric pump are reduced, so that the novel combined ultrasonic piezoelectric pump can be applied to smaller equipment, the applicability is improved, the liquid supply flow precision is higher through the cooperative work of the piezoelectric ceramic piece, the electrode piece, the switch valve movable piece and the flow valve movable piece in the cavity, the vibration frequency of the piezoelectric ceramic piece is controlled and adjusted through adjusting an electric signal, the water inlet/outlet amount of the whole system is controlled, and the control precision is higher; the positioning columns and the positioning holes are correspondingly positioned and connected, so that the alignment of the connecting positions between the shell and the cover body is ensured, the connecting sealing property between the shell and the cover body is ensured, the multiple sealing structures provided by the sealing structures are combined, the sealing effect is greatly improved, the phenomenon of liquid leakage at a hollow leakage position is prevented, and the stability of the liquid supply flow and the liquid supply precision of the novel combined ultrasonic piezoelectric pump are ensured; make to constitute through setting up quick connect structure and can dismantle the connection between casing and the lid, and be convenient for quick erection joint or the dismantlement action between casing and the lid to be convenient for carry out quick replacement to inside ultrasonic wave valve body subassembly, improve maintenance efficiency, and when breaking down, need not whole change, only need change the internal component can, save the cost.
The present invention is not limited to the above-mentioned embodiments, and other novel combined ultrasonic piezoelectric pumps which are obtained by adopting the same or similar structures or devices as those of the above-mentioned embodiments of the present invention are within the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel combination formula ultrasonic wave piezoelectric pump which characterized in that: novel combination formula ultrasonic wave piezoelectric pump includes casing and lid, be equipped with quick connect structure and seal structure between casing and the lid, the casing is equipped with inlet channel, outlet conduit and cavity, the relative setting in the below of cavity of inlet channel and outlet conduit mirror image, the cavity is equipped with ultrasonic wave valve body subassembly, the casing still is equipped with two locating holes, two the locating hole sets up the diagonal angle department at the casing upper surface respectively, the lid still is equipped with two reference columns, two the reference column sets up respectively the diagonal angle department of lid bottom surface.
2. The novel combined ultrasonic piezoelectric pump according to claim 1, wherein: the sealing structure comprises a sealing groove and a circular convex block, the sealing groove is arranged at the upper edge of the cavity, the sealing groove is provided with an annular groove, the circular convex block is provided with an annular convex block, the circular convex block is connected with the sealing groove in a matched mode, the annular convex block is connected with the annular groove in a matched mode, the cavity is a step cavity and comprises a first cavity, a second cavity and a third cavity, the second cavity is arranged below the first cavity, and the third cavity is arranged below the second cavity.
3. The novel combined ultrasonic piezoelectric pump according to claim 2, wherein: the first cavity and the second cavity are both circular concave cavities, the third cavity is an 8-shaped concave cavity formed by two circular first cavities, the two circular first cavities are respectively communicated with the water inlet pipeline and the water outlet pipeline, and the third cavity is also provided with a positioning notch.
4. The novel combined ultrasonic piezoelectric pump according to claim 3, wherein: the ultrasonic valve body assembly comprises a piezoelectric ceramic piece, an electrode piece, a switch valve movable piece and a flow valve movable piece, wherein the piezoelectric ceramic piece is arranged in the first cavity, the electrode piece is arranged in the second cavity, the switch valve movable piece is arranged below the flow valve movable piece, the switch valve movable piece and the flow valve movable piece are both arranged in the third cavity, and the switch valve movable piece and the flow valve movable piece are both provided with a first positioning lug.
5. The novel combined ultrasonic piezoelectric pump according to claim 4, wherein: the movable valve piece is equipped with through-hole one and through-hole two, the ooff valve movable piece is equipped with movable piece one and movable piece two, movable piece two is equipped with a plurality of notches, movable piece one sets up through-hole below, movable piece two sets up two belows in the through-hole, the inlet channel still is equipped with water inlet and inlet opening, outlet channel still is equipped with delivery port and apopore, the water inlet sets up two belows in the movable piece, the delivery port sets up movable piece below, the delivery port is equipped with the cylinder.
6. The novel combined ultrasonic piezoelectric pump according to claim 5, wherein: the diameter of the first through hole is smaller than that of the second through hole, and the diameter of the water outlet is larger than that of the water inlet.
7. The novel combined ultrasonic piezoelectric pump according to claim 6, wherein: the thickness of the switch valve movable sheet is larger than 3mm, and the thickness of the flow valve movable sheet is smaller than that of the switch valve movable sheet.
8. The novel combined ultrasonic piezoelectric pump according to claim 7, wherein: the quick connection structure comprises a plurality of buckles and a plurality of grooves, the buckles are arranged on the outer side of the cover body, and the grooves are arranged on the outer side of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121850199.9U CN215595846U (en) | 2021-08-09 | 2021-08-09 | Novel combined ultrasonic piezoelectric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121850199.9U CN215595846U (en) | 2021-08-09 | 2021-08-09 | Novel combined ultrasonic piezoelectric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215595846U true CN215595846U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121850199.9U Active CN215595846U (en) | 2021-08-09 | 2021-08-09 | Novel combined ultrasonic piezoelectric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215595846U (en) |
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2021
- 2021-08-09 CN CN202121850199.9U patent/CN215595846U/en active Active
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