CN219394717U - Clamping structure for piezoelectric ceramic driver - Google Patents
Clamping structure for piezoelectric ceramic driver Download PDFInfo
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- CN219394717U CN219394717U CN202320211688.2U CN202320211688U CN219394717U CN 219394717 U CN219394717 U CN 219394717U CN 202320211688 U CN202320211688 U CN 202320211688U CN 219394717 U CN219394717 U CN 219394717U
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- horizontal extension
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- piezoelectric ceramic
- clamping part
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- 239000000919 ceramic Substances 0.000 title claims abstract description 26
- 238000005452 bending Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The utility model discloses a clamping structure for a piezoelectric ceramic driver, which comprises the following components: the clamping piece is of an integrated structure and comprises a first clamping part, a second clamping part and a fixing part, one end of the first clamping part is connected with one end of the second clamping part through an elastic annular part, a clamping space is formed between the first clamping part and the second clamping part, and the clamping space is used for clamping the piezoelectric rod; the other end of the first clamping part and the other end of the second clamping part are respectively provided with a first horizontal extension part and a second horizontal extension part in an extending mode, and the fixing parts are arranged on two sides of the second horizontal extension part. The clamping structure is more convenient to install, the occupied space of the piezoelectric ceramic driver is small, the arrangement of other components in the piezoelectric ceramic driver is facilitated, the clamping piece and the pre-pressing component are matched with each other, more stable clamping force is provided for the piezoelectric rod, and the jitter amplitude during driving is reduced.
Description
Technical Field
The utility model belongs to the technical field of piezoelectric motors, and particularly relates to a clamping structure for a piezoelectric ceramic driver.
Background
In the piezoelectric ceramic driving device in the prior art, the piezoelectric ceramic driver is usually clamped and fixed by adopting a split type clamping structure, for example, two split type clamping sheets are clamped after being bent, the clamping sheets are fixed by forming clamping force with a plane on which a tangent line of the outer surface of a piezoelectric rod in the piezoelectric ceramic driver is positioned, the split type clamping sheets are not firmly pre-pressed and fixed with the piezoelectric rod, and meanwhile, the amplitude of the piezoelectric ceramic driver in working is overlarge and is difficult to regulate; and the two split clamping pieces occupy large space in the piezoelectric ceramic driver, so that the arrangement of other components in the piezoelectric ceramic driver is affected.
Disclosure of Invention
The utility model aims to provide a clamping structure for a piezoelectric ceramic driver, and a clamping piece is of an integrated structure, so that the clamping structure is convenient to install, reduces occupied space and facilitates arrangement of other components in the piezoelectric ceramic driver.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the clamping piece is of an integrated structure and comprises a first clamping part, a second clamping part, a first horizontal extending part, a second horizontal extending part and a fixing part, one end of the first clamping part is connected with one end of the second clamping part through an elastic annular part, a clamping space is formed between the first clamping part and the second clamping part, and the clamping space is used for clamping a piezoelectric rod;
the other end of the first clamping part and the other end of the second clamping part are respectively provided with a first horizontal extension part and a second horizontal extension part in an extending mode, the fixing parts are arranged on two sides of the second horizontal extension part, and the fixing parts are used for connecting and installing other parts in the piezoelectric ceramic driver.
Preferably, the device further comprises a pre-pressing assembly, wherein the pre-pressing assembly comprises a first magnet and a second magnet, and the first magnet and the second magnet are respectively detachably magnetically attracted to two sides of the first horizontal extension part and two sides of the second horizontal extension part, which are away from each other.
Preferably, the first clamping part and the second clamping part are arc-shaped structures, and the first clamping part and the second clamping part are in surface contact with the outer circumferential surface of the piezoelectric rod.
Preferably, a bendable part is arranged at the connection part of the fixing part and the second horizontal extension part, and the bendable part is used for adjusting the bending direction of the fixing part.
Preferably, the first horizontal extension and the second horizontal extension are disposed parallel to each other.
Preferably, the fixing portion is provided with a mounting clip hole.
The utility model has the beneficial effects that:
1. the clamping piece is of an integrated structure, so that the installation is more convenient, the occupied space in the piezoelectric ceramic driver is small, and the arrangement of other components in the piezoelectric ceramic driver is convenient;
2. the clamping piece is mutually matched with the pre-pressing component, more stable clamping force is provided for the piezoelectric rod through the magnetic adsorption performance of the pre-pressing component, the shaking amplitude during driving is reduced, the size of the clamping force can be adjusted, and the piezoelectric rod clamping device has higher flexibility and applicability.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present utility model will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings. Wherein like reference numerals generally refer to like elements throughout the exemplary embodiments.
Fig. 1 shows a schematic view of a clamping structure for a piezoceramic actuator according to an embodiment of the utility model.
Fig. 2 shows a schematic view of a clamping structure for a piezoceramic actuator according to another embodiment of the utility model.
Fig. 3 shows a schematic view of the installation of the clamping structure and the piezoelectric rod according to an embodiment of the utility model.
Fig. 4 shows a schematic view of the mounting of the clamping structure inside a piezoceramic actuator according to an embodiment of the utility model.
Reference numerals illustrate: 1. a clamping member; 2. a first clamping part; 3. a second clamping portion; 4. a first horizontal extension; 5. a second horizontal extension; 6. an elastic annular portion; 7. a fixing part; 8. a piezoelectric ceramic driver; 9. a piezoelectric rod; 10. a first magnet; 11. a second magnet.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1 to 4, a clamping structure for a piezoelectric ceramic actuator according to an embodiment of the present utility model includes:
the clamping piece 1 is of an integrated structure, and comprises a first clamping part 2, a second clamping part 3, a first horizontal extension part 4, a second horizontal extension part 5 and a fixing part 7, wherein one end of the first clamping part 2 is connected with one end of the second clamping part 3 through an elastic annular part 6, and a clamping space is formed between the first clamping part 2 and the second clamping part 3 and is used for clamping a piezoelectric rod 9;
the other end of the first clamping part 2 and the other end of the second clamping part 3 are respectively provided with a first horizontal extension part 4 and a second horizontal extension part 5 in an extending mode, fixing parts 7 are arranged on two sides of the second horizontal extension part 5, and the fixing parts 7 are used for connecting and installing other components in the piezoelectric ceramic driver 8.
The piezoelectric rod 9 is arranged between the first clamping part 2 and the second clamping part 3, two ends of the elastic annular part 6 are respectively connected with the first clamping part 2 and the second clamping part 3, the elastic annular part 6 has a certain elastic deformation amount, and clamping force is provided for the piezoelectric rod 9 by changing the radian of the elastic annular part 6, namely changing the distance between the first clamping part 2 and the second clamping part 3. The clamping piece 1 is of an integrated structure, is more convenient to install and occupies small space.
In this embodiment, as shown in fig. 2, the clamping structure further includes a pre-pressing assembly, where the pre-pressing assembly includes a first magnet 10 and a second magnet 11, and the first magnet 10 and the second magnet 11 are detachably attracted to two sides of the first horizontal extension portion 4 and the second horizontal extension portion 5, respectively, where the two sides are away from each other, as shown in fig. 2, the detachable magnets are attracted to an upper portion of the first horizontal extension portion 4 and a lower portion of the second horizontal extension portion 5.
Magnetic attraction force is generated between the first magnet 10 and the second magnet 11, pressure is generated on the piezoelectric rod 9 clamped by the clamping piece 1, clamping stability of the piezoelectric rod 9 is improved, shaking amplitude during driving is reduced, and high flexibility and applicability are achieved.
The pre-pressing component and the clamping piece 1 are matched with each other to provide clamping force for the piezoelectric rod 9, the clamping force is adjusted in a matched mode, the stress condition of the piezoelectric rod 9 is balanced, and the piezoelectric rod 9 is uniformly stressed.
In this embodiment, as shown in fig. 1, the first clamping portion 2 and the second clamping portion 3 are provided with an arc structure, the outer circumferential surfaces of the first clamping portion 2 and the second clamping portion 3 and the piezoelectric rod 9 are in surface contact, the piezoelectric rod 9 is clamped in the arc structure formed by the first clamping portion 2 and the second clamping portion 3, the contact area between the clamping piece 1 and the piezoelectric rod 9 is increased, and a more stable clamping force is provided for the piezoelectric rod 9.
In another embodiment, fig. 3 is another form of the clamping member 1, as shown in fig. 3, the first clamping portion 2 and the second clamping portion 3 extend along the arc direction of the arc of the elastic annular portion 6, so that the first clamping portion 2 and the second clamping portion 3 are integrated with the elastic annular portion 6, so that the opening of the elastic annular portion 6 is reduced, the first clamping portion 2 and the second clamping portion 3 are respectively connected with the arc transition between the first horizontal extending portion 4 and the second horizontal extending portion 5, and the first horizontal extending portion 4 and the second horizontal extending portion 5 are parallel to each other. When in use, the piezoelectric rod 9 is clamped in the elastic annular part 6, and the outer circumferential surface of the piezoelectric rod 9 and the inner circumferential surface of the elastic annular part 6 are in surface contact, so that more stable clamping force is provided for the piezoelectric rod 9, and the piezoelectric rod is simple in structure and convenient to install.
In this embodiment, as shown in fig. 1 and 4, a bendable portion is disposed at the connection between the fixing portion 7 and the second horizontal extension portion 5, the bendable portion is used for adjusting the bending direction of the fixing portion 7, the fixing portion 7 is used for connecting and installing other components in the piezoelectric ceramic driver 8, and the bending direction of the fixing portion 7 can be flexibly adjusted according to actual requirements. The edge of the fixing part 7 is provided with an installation clamping hole, so that other parts can be conveniently installed and fixed.
As shown in fig. 4, an installation schematic diagram of the clamping structure in the piezoelectric ceramic driver 8 in this embodiment is shown, the clamping member 1 is an integrally formed structure, the installation is more convenient, the occupied space in the piezoelectric ceramic driver 8 is small, the arrangement of other components in the piezoelectric ceramic driver 8 is convenient, and meanwhile, the arc-shaped structure of the clamping member 1 increases the contact area between the clamping member 1 and the piezoelectric rod 9, and provides a more stable clamping force for the piezoelectric rod 9.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (6)
1. A clamping structure for a piezoelectric ceramic actuator, comprising:
the clamping piece (1), the clamping piece (1) is of an integrated structure, and comprises a first clamping part (2), a second clamping part (3), a first horizontal extending part (4), a second horizontal extending part (5) and a fixing part (7), wherein one end of the first clamping part (2) is connected with one end of the second clamping part (3) through an elastic annular part (6), a clamping space is formed between the first clamping part (2) and the second clamping part (3), and the clamping space is used for clamping a piezoelectric rod (9);
the other end of the first clamping part (2) and the other end of the second clamping part (3) are respectively provided with the first horizontal extension part (4) and the second horizontal extension part (5) in an extending mode, and the fixing parts (7) are arranged on two sides of the second horizontal extension part (5).
2. The clamping structure for a piezoceramic actuator according to claim 1, further comprising a pre-pressing assembly comprising a first magnet (10) and a second magnet (11), the first magnet (10) and the second magnet (11) being detachably magnetically attracted to both sides of the first horizontal extension (4) and the second horizontal extension (5), respectively, facing away from each other.
3. The clamping structure for a piezoceramic actuator according to claim 1, wherein the first clamping portion (2) and the second clamping portion (3) are arc-shaped structures, and the first clamping portion (2) and the second clamping portion (3) are disposed in surface contact with the outer circumferential surface of the piezoelectric rod (9).
4. Clamping structure for a piezo-ceramic actuator according to claim 1, characterized in that the connection of the fixing part (7) with the second horizontal extension (5) is provided with a bendable part for adjusting the bending direction of the fixing part (7).
5. Clamping structure for a piezoceramic actuator according to claim 2, characterized in that the first horizontal extension (4) and the second horizontal extension (5) are arranged parallel to each other.
6. Clamping structure for a piezoceramic actuator according to claim 1, characterized in that the fixing part (7) is provided with mounting clamping holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320211688.2U CN219394717U (en) | 2023-02-14 | 2023-02-14 | Clamping structure for piezoelectric ceramic driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320211688.2U CN219394717U (en) | 2023-02-14 | 2023-02-14 | Clamping structure for piezoelectric ceramic driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219394717U true CN219394717U (en) | 2023-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320211688.2U Active CN219394717U (en) | 2023-02-14 | 2023-02-14 | Clamping structure for piezoelectric ceramic driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219394717U (en) |
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2023
- 2023-02-14 CN CN202320211688.2U patent/CN219394717U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Clamping structure for piezoelectric ceramic actuators Effective date of registration: 20231228 Granted publication date: 20230721 Pledgee: China Construction Bank Corporation Panjin branch Pledgor: Liaoning Zhonglan Photoelectric Technology Co.,Ltd. Registration number: Y2023210000359 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |