CN220492881U - Displacement control device based on piezoelectric system - Google Patents
Displacement control device based on piezoelectric system Download PDFInfo
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- CN220492881U CN220492881U CN202322083134.1U CN202322083134U CN220492881U CN 220492881 U CN220492881 U CN 220492881U CN 202322083134 U CN202322083134 U CN 202322083134U CN 220492881 U CN220492881 U CN 220492881U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 44
- 239000000919 ceramic Substances 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 24
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model discloses a displacement control device based on a piezoelectric system, which comprises a shell, a piezoelectric ceramic piece, a mechanical lever, a pressure spring and an output lever, wherein the piezoelectric ceramic piece is arranged in the shell, one end of the piezoelectric ceramic piece is fixed with the shell, the mechanical lever is arranged at the other end of the piezoelectric ceramic piece, one end of the mechanical lever is limited by the shell, the other end of the mechanical lever is in contact with the output lever, one end of the shell is provided with the output through hole, the output lever is movably arranged in the output through hole, the extending end of the output lever is provided with a flange part, the pressure spring is elastically arranged between the flange part of the output lever and the output through hole, and the shell is provided with a transmission through hole for transmitting an electric signal with specific frequency to the piezoelectric ceramic piece through a connecting wire. The piezoelectric displacement control device has the advantages that the internal structure of the piezoelectric displacement control device is improved, the mechanical lever structure is additionally arranged in the piezoelectric displacement control device, the output force of the device is greatly increased while the displacement control accuracy is ensured, and the performance of the device is obviously optimized.
Description
Technical Field
The utility model relates to the technical field of piezoelectric displacement control, in particular to a displacement control device based on a piezoelectric system.
Background
A piezoelectric displacement control device, also called a piezoelectric actuator, is a device that utilizes a piezoelectric system to effect mechanical movement. In modern production and life, the demand for high-precision displacement control is increasing. Compared with the traditional high-precision displacement control mode, the piezoelectric displacement control device has the advantages of accurate displacement control, high response speed and capability of outputting larger force. Therefore, the development of application research of displacement control devices based on piezoelectric systems has been focused on.
At present, various piezoelectric displacement control devices are available in the market, and are widely applied. The piezoelectric displacement control device applied at present is internally provided with only a piezoelectric ceramic plate, a pressure spring and an output lever, displacement signals of the piezoelectric ceramic plate are directly output through the output lever, reset is realized through the pressure spring, the output force of the piezoelectric displacement control device basically depends on the working performance of the piezoelectric ceramic plate, the output force is insufficient on the premise of ensuring accurate control of displacement, and the requirements of most application scenes cannot be met.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a displacement control device based on a piezoelectric system, which greatly increases the output force of the device while ensuring the displacement control accuracy through structural optimization.
The technical scheme of the utility model is as follows:
the utility model provides a displacement controlling means based on piezoelectric system, includes shell, piezoceramics piece, mechanical lever, compression spring and output lever, piezoceramics piece sets up in the shell, piezoceramics piece's one end is fixed with the shell, mechanical lever sets up the other end at piezoceramics piece, mechanical lever's one end is spacing through the shell, mechanical lever's the other end is contradicted with the output lever, the one end of shell is equipped with output through-hole, output lever activity sets up in output through-hole, output lever's the end of stretching into is equipped with flange portion, compression spring elasticity sets up between output lever's flange portion and output through-hole, be equipped with transmission through-hole on the shell for the specific frequency's signal of telecommunication is carried to the piezoceramics piece to the access connection line.
Further, a first fixing groove and a second fixing groove are formed in the shell, one end of the piezoelectric ceramic piece is inserted into the first fixing groove to be fixed, and one end of the mechanical lever is provided with a limiting protrusion corresponding to the second fixing groove.
Further, a first conical hole site is formed in the first fixing groove, a first conical part matched with the first conical hole site is formed in one end of the piezoelectric ceramic piece, a second conical part is formed in the other end of the piezoelectric ceramic piece, and a second conical hole site matched with the second conical part is formed in the mechanical lever.
Further, the other end of the mechanical lever is provided with an arc-shaped bulge, and the mechanical lever is abutted against the output lever through the arc-shaped bulge.
Further, a sealing ring is arranged at the transmission through hole.
Further, the sealing ring is fixed in a threaded mode.
Further, the shell is composed of a shell body, a first sealing cover and a second sealing cover, and the first sealing cover and the second sealing cover are oppositely arranged on two sides of the shell body.
Further, threaded holes for fixing are formed in the first sealing cover and the second sealing cover.
Compared with the prior art, the utility model has the beneficial effects that: the utility model improves the internal structure of the piezoelectric displacement control device, greatly increases the output force of the device while ensuring the displacement control accuracy by adding the mechanical lever structure, obviously optimizes the performance of the device, can meet the application requirements in different environments, and has better practicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an external structure of a displacement control device based on a piezoelectric system according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a displacement control device based on a piezoelectric system according to the present utility model;
fig. 3 is a structural cross-sectional view of a displacement control device based on a piezoelectric system according to the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In order to illustrate the technical scheme of the utility model, the following description is made by specific examples.
Examples
Referring to fig. 1 to 3, the present embodiment provides a displacement control device based on a piezoelectric system, which includes a housing 1, a piezoelectric ceramic plate 2, a mechanical lever 3, a pressure spring 4 and an output lever 5. The shell 1 is composed of a shell 11, a first sealing cover 12 and a second sealing cover 13, the first sealing cover 12 and the second sealing cover 13 are oppositely arranged on two sides of the shell 11, and screw holes 111 for fixing are formed in the first sealing cover 12 and the second sealing cover 13. The piezoelectric ceramic piece 2 is arranged in the shell 1, a first fixing groove 112 and a second fixing groove 113 are formed in the shell 1, one end of the piezoelectric ceramic piece 2 is inserted into the first fixing groove 112 to be fixed, a first conical hole site is formed in the first fixing groove 112, a first conical part 21 which is matched with the first conical hole site is formed in one end of the piezoelectric ceramic piece 2, a mechanical lever 3 is arranged at the other end of the piezoelectric ceramic piece 2, a second conical part 22 is formed in the other end of the piezoelectric ceramic piece 2, a second conical hole site which is matched with the second conical part 22 is formed in the mechanical lever 3, a limit bulge 31 which corresponds to the second fixing groove 113 is formed in one end of the mechanical lever 3, an arc bulge 32 is formed in the other end of the mechanical lever 3 and is abutted to the output lever 5 through the arc bulge 32, an output through hole is formed in one end of the shell 1, a sealing ring 6 is arranged at the transmission through hole site, the sealing ring 6 is fixed in a threaded mode, the output lever 5 is movably arranged in the output through hole, a flange part 51 is arranged at the extending end of the output lever 5, a pressure spring 4 is elastically arranged between the flange part 51 of the output 5 and the output through hole, a reset signal is used for realizing that the output lever 5 is provided with a reset through hole, and the reset signal is connected with the piezoelectric ceramic piece 2, and the reset signal is used for realizing the specific transmission frequency is used for the transmission of the input and the output signal of the output signal 2.
Working principle: the piezoelectric ceramic plate 2 is driven by the electric signal to generate deformation displacement, one end of the piezoelectric ceramic plate 2 is fixed in the first conical hole site and cannot be displaced, the displacement signal can be transmitted to the position of the mechanical lever 3, one end of the mechanical lever 3 is fixed, the other end of the mechanical lever is a movable end, the output lever 5 is driven under the action of a lever effect after the displacement signal is received, and the output lever 5 outputs displacement and force to the outside. When the electric signal is removed, the deformation of the piezoelectric ceramic plate 2 disappears, and the output lever 5 and the mechanical lever 3 can restore to the original positions under the action of the pressure spring 4 to wait for the next work.
This displacement controlling means based on piezoelectric system has improved through the structure to piezoelectric displacement controlling means inside, has increased mechanical lever structure in inside, when guaranteeing displacement control accuracy, has increased the output force of device by a wide margin, and the device performance has obtained obvious optimization, can satisfy the application demand under the different environment, has better practicality.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A displacement control device based on a piezoelectric system, characterized in that: including shell, piezoceramics piece, mechanical lever, compression spring and output lever, the piezoceramics piece sets up in the shell, the one end and the shell of piezoceramics piece are fixed, the mechanical lever sets up the other end at piezoceramics piece, the one end of mechanical lever is spacing through the shell, the other end of mechanical lever is contradicted with the output lever, the one end of shell is equipped with output through-hole, output lever activity sets up in output through-hole, output lever stretches into the end and is equipped with flange portion, compression spring elasticity sets up between flange portion and the output through-hole of output lever, be equipped with transmission through-hole on the shell for the specific frequency's signal of telecommunication is carried to the piezoceramics piece to the access connection line.
2. A displacement control device based on a piezoelectric system according to claim 1, wherein: the piezoelectric ceramic device is characterized in that a first fixing groove and a second fixing groove are formed in the shell, one end of the piezoelectric ceramic piece is inserted into the first fixing groove to be fixed, and a limiting protrusion corresponding to the second fixing groove is arranged at one end of the mechanical lever.
3. A displacement control device based on a piezoelectric system according to claim 2, wherein: the piezoelectric ceramic plate is characterized in that a first conical hole site is formed in the first fixing groove, a first conical part matched with the first conical hole site is formed in one end of the piezoelectric ceramic plate, a second conical part is formed in the other end of the piezoelectric ceramic plate, and a second conical hole site matched with the second conical part is formed in the mechanical lever.
4. A displacement control device based on a piezoelectric system according to claim 2, wherein: the other end of the mechanical lever is provided with an arc-shaped bulge, and the mechanical lever is abutted against the output lever through the arc-shaped bulge.
5. A displacement control device based on a piezoelectric system according to claim 1, wherein: and a sealing ring is arranged at the transmission through hole.
6. The piezoelectric system-based displacement control device of claim 5, wherein: the sealing ring is fixed in a threaded mode.
7. A displacement control device based on a piezoelectric system according to claim 1, wherein: the shell consists of a shell, a first sealing cover and a second sealing cover, wherein the first sealing cover and the second sealing cover are oppositely arranged on two sides of the shell.
8. The piezoelectric system-based displacement control device of claim 7, wherein: screw holes for fixing are formed in the first sealing cover and the second sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322083134.1U CN220492881U (en) | 2023-08-03 | 2023-08-03 | Displacement control device based on piezoelectric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322083134.1U CN220492881U (en) | 2023-08-03 | 2023-08-03 | Displacement control device based on piezoelectric system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220492881U true CN220492881U (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322083134.1U Active CN220492881U (en) | 2023-08-03 | 2023-08-03 | Displacement control device based on piezoelectric system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220492881U (en) |
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2023
- 2023-08-03 CN CN202322083134.1U patent/CN220492881U/en active Active
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