CN210867536U

CN210867536U - Multilayer piezoelectric driver for high-frequency dynamic application

Info

Publication number: CN210867536U
Application number: CN201922306787.5U
Authority: CN
Inventors: 李丽琛; 姜林
Original assignee: Bonsai Electronic Technology Yancheng Co ltd
Current assignee: Bonsai Electronic Technology Yancheng Co ltd
Priority date: 2019-12-20
Filing date: 2019-12-20
Publication date: 2020-06-26
Anticipated expiration: 2029-12-20

Abstract

The utility model discloses a multilayer piezoelectric actuator for high frequency developments are used, including base, fixed plate, support and backup pad, first threaded rod has all been run through to the both sides of base, and the top mid-mounting of base has first frame, the top of first frame is provided with the second frame, the fan is installed to the inside top both sides of second frame, and the below and the draw-in groove cooperation installation of second frame, the draw-in groove is seted up at the upper surface of first frame. This kind of a multilayer piezoelectric actuator for high frequency developments are used, through the setting of fan and louvre, the fan can produce wind and carry out the work of dispelling the heat to the piezoelectric actuator main part of below, thereby make the piezoelectric actuator main part can be applied to high frequency developments and use and be unlikely to overheated, and the louvre of piezoelectric actuator main part below can strengthen the gas permeability, make the radiating effect better, and the dust in the piezoelectric actuator main part can be blown into in the collection box of below, and the magnet in the collection box can play absorbent effect to the dust.

Description

Multilayer piezoelectric driver for high-frequency dynamic application

Technical Field

The utility model relates to a multilayer piezoelectric actuator technical field that is relevant specifically is a multilayer piezoelectric actuator for high frequency developments are used.

Background

The multilayer piezoelectric driver technology is based on the inverse piezoelectric effect of piezoelectric ceramic material, and produces rotation or linear motion by controlling its mechanical deformation, and the multilayer piezoelectric driver utilizes the inverse piezoelectric effect of piezoelectric element and the ultrasonic vibration of elastic body, and converts the micro-amplitude vibration of elastic body into macroscopic linear motion of moving body by means of the friction between stator and moving body, and directly pushes load.

The conventional multilayer piezoelectric actuator does not have a heat dissipation mechanism, so that the multilayer piezoelectric actuator cannot be applied to high-frequency dynamic application, a main board of the actuator cannot be taken out of an outer cover conveniently, and a main body of the piezoelectric actuator is maintained.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multilayer piezoelectric actuator for high frequency developments are used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multilayer piezoelectric driver for high-frequency dynamic application comprises a base, a fixed plate, a support and a support plate, wherein first threaded rods penetrate through two sides of the base, a first outer frame is arranged in the middle of the upper portion of the base, a second outer frame is arranged above the first outer frame, fans are arranged on two sides of the upper portion of the inner portion of the second outer frame, the lower portion of the second outer frame is matched with clamping grooves, the clamping grooves are formed in the upper surface of the first outer frame, a second threaded rod penetrates through the outer side of the first outer frame, the tail end of the second threaded rod is matched with threaded grooves in installation, the threaded grooves are formed in the inner wall surface of the clamping grooves, the fixed plate is arranged at the bottom of the first outer frame, a collecting box is arranged in the middle of the upper portion of the fixed plate, the lower portion of the collecting box is matched with sliding grooves in installation, the sliding grooves are formed in the upper surface of the, and the outside of magnet is provided with the leather sheath, the support mounting is in the top of collecting the box, and the top both sides of support all are fixed with the backup pad, and the louvre has been seted up to the upper surface of support simultaneously, the telescopic link is installed to the inboard of backup pad, and the inboard of telescopic link is fixed with splint, and the inboard of splint simultaneously is provided with the piezoelectric driver main part.

Preferably, the base is in threaded connection with the first threaded rod, and the first threaded rod is symmetrically arranged relative to a central axis of the base.

Preferably, the second outer frame is in clamping connection with the first outer frame through the clamping groove, and the first outer frame is in threaded connection with the second threaded rod through the threaded groove.

Preferably, the fans are symmetrically arranged about a central axis of the second outer frame, and two groups of fans are arranged.

Preferably, the magnets are distributed in the collecting box at equal intervals, and the collecting box and the fixing plate form a sliding structure through the sliding groove.

Preferably, the radiating holes are distributed on the bracket at equal intervals, and five groups of radiating holes are arranged.

Preferably, the supporting plate and the clamping plate form a telescopic structure through a telescopic rod, and the telescopic rod and the clamping plate are vertically distributed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the multilayer piezoelectric driver for high-frequency dynamic application, due to the arrangement of the fan and the heat dissipation holes, the fan can generate wind to perform heat dissipation work on the piezoelectric driver main body below, so that the piezoelectric driver main body can be applied to high-frequency dynamic application and cannot be overheated, the heat dissipation holes below the piezoelectric driver main body can enhance air permeability, the heat dissipation effect is better, dust on the piezoelectric driver main body can be blown into the collection box below the piezoelectric driver main body, and the magnet in the collection box can absorb the dust;

2. this a multilayer piezoelectric actuator for high frequency developments is used, through the setting of second threaded rod and telescopic link, unscrew the second threaded rod from the thread groove, then take out the second frame from the draw-in groove to dismantle the second frame, then shrink the telescopic link and remove splint from the both sides of piezoelectric actuator main part, so that take out the piezoelectric actuator main part, maintain the piezoelectric actuator main part.

3. This a multilayer piezoelectric actuator for high frequency developments is used, through the setting of collecting box and spout, will collect the box slip and take out to clear up the dust in collecting the box, thus do not influence the work efficiency of magnet.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the bracket of the present invention;

FIG. 3 is a schematic top view of the collecting box of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a base 1, a first threaded rod 2, a first outer frame 3, a second outer frame 4, a clamping groove 5, a second threaded rod 6, a threaded groove 7, a fan 8, a fixing plate 9, a collecting box 10, a sliding groove 11, a magnet 12, a leather sheath 13, a support 14, a heat dissipation hole 15, a support plate 16, an expansion rod 17, a clamping plate 18 and a piezoelectric driver main body 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 4, the present invention provides a technical solution: a multilayer piezoelectric driver for high-frequency dynamic application comprises a base 1, a fixing plate 9, a support 14 and a support plate 16, wherein first threaded rods 2 penetrate through two sides of the base 1, a first outer frame 3 is installed in the middle of the upper portion of the base 1, a second outer frame 4 is arranged above the first outer frame 3, fans 8 are installed on two sides of the upper portion inside the second outer frame 4, the lower portion of the second outer frame 4 is installed in a matched mode with a clamping groove 5, the clamping groove 5 is formed in the upper surface of the first outer frame 3, a second threaded rod 6 penetrates through the outer side of the first outer frame 3, the tail end of the second threaded rod 6 is installed in a matched mode with the threaded groove 7, the threaded groove 7 is formed in the inner wall surface of the clamping groove 5, the fixing plate 9 is installed at the bottom of the first outer frame 3, a collecting box 10 is arranged in the middle of the upper portion of the fixing plate 9, the lower portion of the collecting box 10 is installed in, the internally mounted of collecting box 10 has magnet 12, and the outside of magnet 12 is provided with leather sheath 13, and support 14 installs in the top of collecting box 10, and the top both sides of support 14 all are fixed with backup pad 16, and louvre 15 has been seted up to the upper surface of support 14 simultaneously, and telescopic link 17 is installed to the inboard of backup pad 16, and telescopic link 17's inboard is fixed with splint 18, and the inboard of splint 18 is provided with the piezoelectric driver main part 19 simultaneously.

Further, the base 1 is in threaded connection with the first threaded rod 2, the first threaded rod 2 is symmetrically arranged about the central axis of the base 1, the base 1 is placed at the installation position, and then the first threaded rod 2 penetrates through the base 1 and is screwed into the installation hole, so that the equipment is fixed.

Further, the second outer frame 4 is connected with the first outer frame 3 through the clamping groove 5 in a clamping mode, the first outer frame 3 is connected with the second threaded rod 6 through the threaded groove 7 in a threaded mode, the second threaded rod 6 is screwed out of the threaded groove 7, and then the second outer frame 4 is taken out of the clamping groove 5, so that the second outer frame 4 can be detached.

Further, the fans 8 are symmetrically arranged about the central axis of the second outer frame 4, and two sets of fans 8 are arranged, so that the fans 8 can generate wind to perform heat dissipation work on the piezoelectric driver main body 19 below, and the piezoelectric driver main body 19 can be applied to high-frequency dynamic application without overheating.

Further, the magnets 12 are distributed in the collecting box 10 at equal intervals, the collecting box 10 and the fixing plate 9 form a sliding structure through the sliding grooves 11, and the magnets 12 in the collecting box 10 can adsorb dust, so that the dust is prevented from influencing the normal operation of the piezoelectric driver main body 19.

Further, the heat dissipation holes 15 are distributed on the support 14 at equal intervals, and five groups of heat dissipation holes 15 are arranged, so that the air permeability of the heat dissipation holes 15 below the piezoelectric driver main body 19 can be enhanced, and the heat dissipation effect is better.

Further, the support plate 16 forms a telescopic structure through the telescopic rod 17 and the clamping plate 18, the telescopic rod 17 and the clamping plate 18 are vertically distributed, and the telescopic rod 17 is contracted to remove the clamping plate 18 from two sides of the piezoelectric actuator main body 19 so as to take out the piezoelectric actuator main body 19 and perform maintenance on the piezoelectric actuator main body 19.

The working principle is as follows: firstly, a power supply is started, a base 1 is placed at an installation position, then a first threaded rod 2 penetrates through the base 1 and is screwed into an installation hole so as to fix the equipment, when a piezoelectric driver main body 19 works, a fan 8 is started, the fan 8 can generate wind to carry out heat dissipation work on the piezoelectric driver main body 19 below, so that the piezoelectric driver main body 19 can be applied to high-frequency dynamic application without overheating, a heat dissipation hole 15 below the piezoelectric driver main body 19 can enhance air permeability, the heat dissipation effect is better, dust on the piezoelectric driver main body 19 can be blown into a collection box 10 below, a magnet 12 in the collection box 10 can adsorb the dust, the dust is prevented from influencing the normal work of the piezoelectric driver main body 19, when the piezoelectric driver main body 19 needs to be maintained, the second threaded rod 6 is firstly screwed out of a threaded groove 7, then take out second frame 4 from draw-in groove 5 to dismantle second frame 4, then shrink telescopic link 17 and remove splint 18 from the both sides of piezoelectric actuator main part 19, so that take out piezoelectric actuator main part 19, maintain piezoelectric actuator main part 19, will collect box 10 and slide and take out again, so that clear up the dust in collecting box 10, wherein fan 8 model is MH902R, this is exactly this a multilayer piezoelectric actuator's for high frequency dynamic application method of use, the utility model relates to an electrical property technique is prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Multilayer piezoelectric actuator for high frequency dynamic applications, comprising a base (1), a fixed plate (9), a support (14) and a support plate (16), characterized in that: the improved multifunctional kitchen cabinet is characterized in that first threaded rods (2) penetrate through two sides of the base (1), a first outer frame (3) is installed in the middle of the upper portion of the base (1), a second outer frame (4) is arranged above the first outer frame (3), fans (8) are installed on two sides of the upper portion of the inner portion of the second outer frame (4), the lower portion of the second outer frame (4) is installed in a matched mode with the clamping grooves (5), the clamping grooves (5) are formed in the upper surface of the first outer frame (3), second threaded rods (6) penetrate through the outer side of the first outer frame (3), the tail ends of the second threaded rods (6) are installed in a matched mode with the threaded grooves (7), the threaded grooves (7) are formed in the inner wall surface of the clamping grooves (5), the fixing plate (9) is installed at the bottom of the first outer frame (3), a collecting box (10) is arranged in the middle of the upper portion of the fixing plate (9), the lower portion of the collecting box (10), and the upper surface at fixed plate (9) is seted up in spout (11), the internally mounted of collecting box (10) has magnet (12), and the outside of magnet (12) is provided with leather sheath (13), install the top at collecting box (10) support (14), and the top both sides of support (14) all are fixed with backup pad (16), and louvre (15) have been seted up to the upper surface of support (14) simultaneously, telescopic link (17) are installed to the inboard of backup pad (16), and the inboard of telescopic link (17) is fixed with splint (18), and the inboard of splint (18) is provided with piezoelectric actuator main part (19) simultaneously.

2. A multi-layer piezoelectric actuator for high frequency dynamic applications as claimed in claim 1, wherein: base (1) and first threaded rod (2) are threaded connection, and first threaded rod (2) set up about the axis symmetry of base (1).

3. A multi-layer piezoelectric actuator for high frequency dynamic applications as claimed in claim 1, wherein: the second outer frame (4) is connected with the first outer frame (3) in a clamping mode through a clamping groove (5), and the first outer frame (3) is connected with the second threaded rod (6) in a threaded mode through a threaded groove (7).

4. A multi-layer piezoelectric actuator for high frequency dynamic applications as claimed in claim 1, wherein: the fans (8) are symmetrically arranged about the central axis of the second outer frame (4), and two groups of fans (8) are arranged.

5. A multi-layer piezoelectric actuator for high frequency dynamic applications as claimed in claim 1, wherein: the magnets (12) are distributed in the collecting box (10) at equal intervals, and the collecting box (10) and the fixing plate (9) form a sliding structure through the sliding groove (11).

6. A multi-layer piezoelectric actuator for high frequency dynamic applications as claimed in claim 1, wherein: the radiating holes (15) are distributed on the bracket (14) at equal intervals, and five groups of radiating holes (15) are arranged.

7. A multi-layer piezoelectric actuator for high frequency dynamic applications as claimed in claim 1, wherein: the supporting plate (16) and the clamping plate (18) form a telescopic structure through a telescopic rod (17), and the telescopic rod (17) and the clamping plate (18) are vertically distributed.