CN213426116U - Piezoelectric element sub-sheet vibrator with weights on two sides - Google Patents

Abstract

The application relates to a two sides area counter weight piezoelectricity plain sub-piece vibrator includes: the base is in a strip shape, a convex block is arranged in the middle of the upper surface of the base, and balancing weights are arranged at two ends of the base; the lower end of the first piezoelectric element sub-piece is fixedly connected to the left side of the bump; the lower end of the second piezoelectric element sub-piece is fixedly connected to the right side of the bump; a first top plate; a second top plate; a third top plate; a spring plate; cushion blocks fixed on the left side and the right side of the upper end of the first piezoelectric element sub-sheet and the left side and the right side of the upper end of the second piezoelectric element sub-sheet; the first top plate, the second top plate and the third top plate are all in a strip shape, spring pieces are fixed at two ends of the first top plate, the second top plate or the third top plate, the upper ends of the spring pieces are connected with the first top plate, the second top plate or the third top plate, and the lower ends of the spring pieces are connected with the cushion blocks; the first top plate, the third top plate and the second top plate are fixed in a staggered mode. This application power supply is followed base length direction and is found the solid distribution, compares flaky piezoelectric vibrator, has obvious promotion in amplitude, vibration intensity.

Description

Piezoelectric element sub-sheet vibrator with weights on two sides

Technical Field

The application belongs to the technical field of vibrators, and particularly relates to a piezoelectric element sub-sheet vibrator with balance weights on two sides.

Background

In recent years, machines working by applying a vibration principle are widely used, a vibrator is taken as a core of the vibration machine, the performance of the vibrator directly affects the working effect of the whole machine, the vibrator is mainly divided into an electromagnetic type, an ultrasonic wave, piezoelectric ceramics, a pneumatic type, an eccentric wheel type and a crank connecting rod type, and the electromagnetic type, the ultrasonic wave, the pneumatic type, the eccentric wheel type and the crank connecting rod type generally have the defects of high noise, easy magnetization of materials, complex structure, large volume, high energy consumption, small output amplitude and the like in working. For example, chinese utility model patent piezoelectric vibrator of publication No. CN204068888U, it includes metal substrate and drive the piezoelectric driving device that metal substrate vibrated, piezoelectric driving device includes the piezoelectric ceramic layer that a plurality of intervals set up and the electrode layer that is located piezoelectric ceramic layer upper and lower surface and is connected with piezoelectric ceramic layer electricity respectively, and two adjacent piezoelectric ceramic layers share an electrode layer, piezoelectric driver further includes an insulating layer that is located between metal substrate and the piezoelectric driving device.

The piezoelectric vibrator is sheet-shaped, simple in structure, limited in amplitude and low in vibration strength.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the piezoelectric element sub-sheet vibrator with the balance weights on two sides is provided for solving the defects of the piezoelectric vibrator in the prior art.

The utility model provides a technical scheme that its technical problem adopted is:

a two-sided weighted piezoelectric element sub-sheet vibrator, comprising:

the base is in a strip shape, a convex block is arranged in the middle of the upper surface of the base, and balancing weights are arranged at two ends of the base; the left side of the lug is provided with a first mounting surface, and the right side of the lug is provided with a second mounting surface;

the lower end of the first piezoelectric element sub-piece is fixedly connected to the first mounting surface;

the lower end of the second piezoelectric element sub-sheet is fixedly connected to the second mounting surface;

a first top plate;

a second top plate;

a spring plate;

cushion blocks fixed on the left side and the right side of the upper end of the first piezoelectric element sub-sheet and the left side and the right side of the upper end of the second piezoelectric element sub-sheet;

the first top plate and the second top plate are both strip-shaped, the spring piece is fixed at both ends of the first top plate and the second top plate, the upper end of the spring piece is connected with the first top plate or the second top plate, and the lower end of the spring piece is connected with the cushion block;

the spring piece at one end of the first top plate is fixed to the left side of the cushion block on the left side of the first piezoelectric element sub-sheet, and the spring piece at the other end of the first top plate is fixed to the left side of the cushion block on the left side of the second piezoelectric element sub-sheet; the spring piece at one end of the second top plate is fixed to the right side of the cushion block on the right side of the first piezoelectric element sub-sheet, and the spring piece at the other end of the second top plate is fixed to the right side of the cushion block on the right side of the second piezoelectric element sub-sheet.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator still includes: the third top plate is strip-shaped, the two ends of the third top plate are fixedly provided with the spring pieces, the upper ends of the spring pieces are connected with the third top plate, and the lower ends of the spring pieces are connected with the cushion blocks;

the spring piece at one end of the third top plate is fixed to the left side of the cushion block on the left side of the first piezoelectric element sub-sheet, and the spring piece at the other end of the third top plate is fixed to the left side of the cushion block on the left side of the second piezoelectric element sub-sheet.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, the both ends of base are equipped with the edge base length direction's slide rail, the balancing weight is installed on the slide rail, can follow the slide rail slides in order to adjust the position.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, still be equipped with the edge on the base the waist type hole that the slide rail set up, be equipped with adjusting screw on the balancing weight, adjusting screw one end is passed waist type hole is connected with a lock nut.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, the lug with between first piezoelectric element sub-piece, the second piezoelectric element sub-piece, the cushion with between the spring leaf, the spring leaf with all through the fix with screw between first roof, second roof, the third roof.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, screwhead one side of screw all is equipped with packing ring and briquetting.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, first piezoelectric element sub-piece or second piezoelectric element sub-piece one side the counter sink has on the cushion, corresponds on the cushion of opposite side and is equipped with the screw hole, the screw that sets up in the counter sink is connected with the screw hole that corresponds.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator still including fixing first housing plate, the second housing plate of lug both sides.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, the both ends of first piezoelectric element sub-piece, second piezoelectric element sub-piece all have the U-shaped notch.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, still install the supporting legs on four angular points of base.

Preferably, the utility model discloses a both sides area counter weight piezoelectric element sub-piece vibrator, the lug passes through the fix with screw base upper surface.

The utility model has the advantages that: the vibration power source is in three-dimensional distribution along the length direction of the base, and compared with the flaky piezoelectric vibrator, the vibration amplitude and the vibration intensity are obviously improved.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

FIG. 1 is a schematic diagram of the internal structure of a piezoelectric element sub-sheet vibrator with weights on two sides according to an embodiment of the present application;

FIG. 2 is a schematic diagram of an external structure of a vibrator with weighted piezoelectric sub-sheets on two sides according to an embodiment of the present application;

FIG. 3 is a schematic view of a base structure of an embodiment of the present application;

FIG. 4 is a schematic view of a top plate and spring plate connection according to an embodiment of the present application;

FIG. 5 is a schematic diagram of a connection structure of a piezoelectric sub-sheet and a spacer according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a counterweight according to an embodiment of the present application;

fig. 7 is a schematic diagram of a U-shaped notch structure of a piezoelectric element sub-sheet according to an embodiment of the present application.

The reference numbers in the figures are:

1 base

4 spring leaf

5 cushion block

7 gasket

8 briquetting

11 bump

12 counterweight block

14 slide rail

15 waist-shaped hole

17 support foot

21 first piezoelectric element sub-sheet

22 second piezoelectric element sub-sheet

31 first top plate

32 second top plate

33 third ceiling plate

61 first shell plate

62 second housing plate

111 first mounting surface

112 second mounting surface

121 adjusting screw

122 lock nut

211U-shaped notch

221U-shaped notch.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

The present embodiment provides a two-sided weighted piezoelectric element sub-sheet vibrator, as shown in fig. 1 to 5, including:

the base 1 is strip-shaped, a convex block 11 is arranged in the middle of the upper surface of the base 1, and balancing weights 12 are arranged at two ends of the base 1; the left side of the lug 11 is provided with a first mounting surface 111, and the right side is provided with a second mounting surface 112;

a first piezoelectric element sub-piece 21, wherein the lower end of the first piezoelectric element sub-piece 21 is fixedly connected to the first mounting surface 111;

the lower end of the second piezoelectric element sub-sheet 22 is fixedly connected to the second mounting surface 112;

a first top plate 31;

a second top plate 32;

a third top plate 33;

a spring plate 4;

cushion blocks 5 fixed to the left and right sides of the upper end of the first piezoelectric element sub-sheet 21 and the left and right sides of the upper end of the second piezoelectric element sub-sheet 22;

the first top plate 31, the second top plate 32 and the third top plate 33 are all in a strip shape, the spring piece 4 is fixed at two ends of each of the first top plate 31, the second top plate 32 and the third top plate 33, the upper end of the spring piece 4 is connected with the first top plate 31, the second top plate 32 or the third top plate 33, and the lower end of the spring piece 4 is connected with the cushion block 5;

the spring piece 4 at one end of the first top plate 31 and the third top plate 33 is fixed with the left side of the cushion block 5 at the left side of the first piezoelectric element sub-sheet 21, and the spring piece 4 at the other end is fixed with the left side of the cushion block 5 at the left side of the second piezoelectric element sub-sheet 22; the spring plate 4 at one end of the second top plate 32 is fixed to the right side of the cushion block 5 on the right side of the first piezoelectric element sub-plate 21, and the spring plate 4 at the other end is fixed to the right side of the cushion block 5 on the right side of the second piezoelectric element sub-plate 22.

In the vibrator with the piezoelectric sub-pieces with the weights on two sides of the embodiment, the first piezoelectric sub-piece 21 and the second piezoelectric sub-piece 22 generate a vibration source, and the first piezoelectric sub-piece 21 and the second piezoelectric sub-piece 22 need to be electrified during specific use, as shown in fig. 1, the first piezoelectric sub-piece 21 and the second piezoelectric sub-piece 22 of the vibrator form a three-dimensional structure, and compared with a flaky piezoelectric vibrator, the amplitude and the vibration intensity are obviously improved. The specific thickness of the cushion block 5 can be adjusted according to requirements, and the staggered distance among the first top plate 31, the second top plate 32 and the third top plate 33 can be controlled by adjusting the thickness of the cushion block 5. As shown in fig. 1, the first top plate 31, the second top plate 32, and the third top plate 33 are disposed in a staggered manner, in which the conveying direction of the first top plate 31 and the conveying direction of the third top plate 33 are the same, and the conveying direction of the second top plate 32 is opposite to the conveying direction of the first top plate 31 and the conveying direction of the third top plate 33.

Preferably, in the vibrator with the weighted piezoelectric sub-pieces on both sides of the present embodiment, as shown in fig. 3, slide rails 14 along the length direction of the base 1 are disposed at both ends of the base 1, and the weight 12 is mounted on the slide rails 14 and can slide along the slide rails 14 to adjust the position. The movement of the weight 12 enables the centre of gravity of the device as a whole to be changed and therefore the vibration parameters of the device to be changed.

Preferably, as shown in fig. 3 and 6, the base 1 is further provided with a waist-shaped hole 15 disposed along the slide rail 14, the counterweight block 12 is provided with an adjusting screw 121, and one end of the adjusting screw 121 passes through the waist-shaped hole 15 and is connected with a locking nut 122. Through the elastic fit of adjusting screw 121 and lock nut 122, can be convenient for the adjustment and the location of balancing weight 12 position.

Preferably, in the vibrator with weighted piezoelectric element sub-pieces on both sides of the present embodiment, as shown in fig. 1 to 5, the protruding block 11 is fixed between the first piezoelectric element sub-piece 21 and the second piezoelectric element sub-piece 22, the cushion block 5 is fixed between the spring piece 4, and the spring piece 4 is fixed between the first top plate 31, the second top plate 32, and the third top plate 33 by screws.

Preferably, the vibrator with the weighted piezoelectric element sub-sheets on two sides of the present embodiment is provided with a washer 7 and a pressing block 8 on both sides of the screw head of the screw, as shown in fig. 4 and 5. The washer 7 and the pressing block 8 are used for increasing the contact area of the screw head so as to enable the stress on the joints among the first piezoelectric element sub-sheet 21, the second piezoelectric element sub-sheet 22, the spring sheet 4, the first top plate 31, the second top plate 32 and the third top plate 33 to be uniform.

Preferably, in the vibrator with the weighted piezoelectric sub-pieces on both sides of the present embodiment, as shown in fig. 5, a countersunk hole is formed in the pad 5 on one side of the first piezoelectric sub-piece 21 or the second piezoelectric sub-piece 22, a threaded hole is correspondingly formed in the pad 5 on the other side, and a screw arranged in the countersunk hole is connected with the corresponding threaded hole. The hidden design of this structure screw practices thrift installation space.

Preferably, the vibrator with weighted piezoelectric elements on both sides of the present embodiment further includes a first housing plate 61 and a second housing plate 62 fixed on both sides of the protrusion 11, as shown in fig. 2. The first and second housing plates 61 and 62 can protect the components inside.

Preferably, in the vibrator with weighted piezoelectric element sub-pieces on both sides of the present embodiment, as shown in fig. 7, both ends of the first piezoelectric element sub-piece 21 and the second piezoelectric element sub-piece 22 have U-shaped notches 211 and 221. The installation of screw can be convenient for, makes the screw can go into from the both ends of first piezoelectric element sub-piece 21, second piezoelectric element sub-piece 22 and go into, and the mode installation tolerance that compares and punch is bigger.

Preferably, in the vibrator with weighted piezoelectric sub-pieces on both sides of the present embodiment, as shown in fig. 3, supporting legs 17 are further mounted on four corner points of the base 1. Supporting legs 17 can be convenient for the pedestal mounting, and is concrete, supporting legs 17 can rotate, and supporting legs 17 are equipped with waist type hole.

Preferably, in the vibrator with the weighted piezoelectric sub-pieces on both sides of the present embodiment, as shown in fig. 3, the bumps 11 are fixed on the upper surface of the base 1 by screws. The lug 11 is convenient to disassemble and assemble, can be independently processed in the process and is simple in process.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. The utility model provides a both sides area counter weight piezoelectric element sub-piece vibrator which characterized in that includes:

the base (1), the said base (1) is the bar, there are lugs (11) in the middle of the upper surface of the said base (1), both ends have clump weights (12); the left side of the lug (11) is provided with a first mounting surface (111), and the right side of the lug is provided with a second mounting surface (112);

the lower end of the first piezoelectric element sub-sheet (21) is fixedly connected to the first mounting surface (111);

the lower end of the second piezoelectric element sub-sheet (22) is fixedly connected to the second mounting surface (112);

a first top plate (31);

a second top plate (32);

a spring plate (4);

cushion blocks (5) fixed on the left and right sides of the upper end of the first piezoelectric element sub-sheet (21) and the left and right sides of the upper end of the second piezoelectric element sub-sheet (22);

the first top plate (31) and the second top plate (32) are both in a strip shape, the spring piece (4) is fixed at both ends of the first top plate and the second top plate, the upper end of the spring piece (4) is connected with the first top plate (31) or the second top plate (32), and the lower end of the spring piece (4) is connected with the cushion block (5);

the spring piece (4) at one end of the first top plate (31) is fixed to the left side of the cushion block (5) on the left side of the first piezoelectric element sub-sheet (21), and the spring piece (4) at the other end of the first top plate is fixed to the left side of the cushion block (5) on the left side of the second piezoelectric element sub-sheet (22); the spring piece (4) at one end of the second top plate (32) is fixed to the right side of the cushion block (5) on the right side of the first piezoelectric element sub-piece (21), and the spring piece (4) at the other end of the second top plate is fixed to the right side of the cushion block (5) on the right side of the second piezoelectric element sub-piece (22).

2. The two-sided weighted piezoelectric element sub-sheet vibrator of claim 1, further comprising: the third top plate (33) is strip-shaped, the spring pieces (4) are fixed at two ends of the third top plate (33), the upper ends of the spring pieces (4) are connected with the third top plate (33), and the lower ends of the spring pieces (4) are connected with the cushion blocks (5);

the spring piece (4) at one end of the third top plate (33) is fixed to the left side of the cushion block (5) on the left side of the first piezoelectric element sub-sheet (21), and the spring piece (4) at the other end of the third top plate is fixed to the left side of the cushion block (5) on the left side of the second piezoelectric element sub-sheet (22).

3. The vibrator according to claim 2, wherein the two ends of the base (1) are provided with slide rails (14) along the length direction of the base (1), and the weight block (12) is mounted on the slide rails (14) and can slide along the slide rails (14) to adjust the position.

4. The vibrator according to claim 3, wherein the base (1) further comprises a waist-shaped hole (15) disposed along the slide rail (14), the weight block (12) further comprises an adjusting screw (121), and one end of the adjusting screw (121) passes through the waist-shaped hole (15) and is connected to a locking nut (122).

5. The vibrator with the weighted piezoelectric sub-pieces on two sides according to claim 1, wherein the bumps (11) are fixed with the first piezoelectric sub-piece (21) and the second piezoelectric sub-piece (22), the cushion blocks (5) are fixed with the spring piece (4), and the spring piece (4) is fixed with the first top plate (31), the second top plate (32) and the third top plate (33) through screws.

6. The vibrator with the weighted piezoelectric elements on two sides according to claim 5, wherein the screw head side of the screw is provided with a washer (7) and a pressing block (8).

7. The vibrator of piezoelectric element sub-pieces with weights on two sides as claimed in claim 6, wherein the pad (5) on one side of the first piezoelectric element sub-piece (21) or the second piezoelectric element sub-piece (22) has a countersunk hole, the pad (5) on the other side has a corresponding threaded hole, and a screw arranged in the countersunk hole is connected with the corresponding threaded hole.

8. The two-sided weighted piezoelectric element sub-sheet vibrator according to any one of claims 1 to 7, further comprising a first housing plate (61) and a second housing plate (62) fixed to both sides of the protrusion (11).

9. The two-sided weighted piezoelectric element sub-sheet vibrator according to claim 8, wherein both ends of the first and second piezoelectric element sub-sheets (21, 22) have U-shaped notches (211, 221).

10. The vibrator according to any one of claims 1 to 7, wherein the four corner points of the base (1) are further provided with supporting legs (17).

Images