CN214289214U - Ultrasonic transducer - Google Patents

Abstract

The utility model relates to an ultrasonic transducer includes from bottom to top in proper order: the ultrasonic transducer comprises a front end cover, a first electrode plate, first piezoelectric ceramics, a second electrode plate, second piezoelectric ceramics and a rear end cover, wherein a connecting groove is formed in the middle of the ultrasonic transducer, and a locking piece is inserted from the top of the connecting groove and is in threaded connection with the front end cover; the front end cover is provided with a screwing part for dismounting, and one end of the front end cover departing from the first electrode plate is connected with the container wall; a first electrode tab for connecting electricity is arranged on the first electrode plate; a second tab for connecting electricity is arranged on the second electrode plate; be equipped with the insulation support who is used for insulation protection in the spread groove, insulation support with the retaining member cup joints. The ultrasonic transducer can ensure the stability of the pressure parameter of the transducer in the later maintenance process.

Description

Ultrasonic transducer

Technical Field

The utility model belongs to the technical field of ultrasonic transducer technique and specifically relates to an ultrasonic transducer.

Background

An ultrasonic transducer is a device for converting electromagnetic energy into mechanical energy (acoustic energy), and is usually made of piezoelectric ceramics or other magnetostrictive materials, and ultrasonic transducers are commonly used in ultrasonic cleaners, ultrasonic atomizers, B-ultrasonic probes, and the like.

Present ultrasonic transducer all screws up or unscrews the screw from the rear end cap when dismantling and installing, can change the pressure parameter to piezoceramics setting on the transducer like this to operating condition behind the ultrasonic transducer has the influence, the change of pressure parameter can indirectly influence the transducer when the circular telegram piezoceramics vibration produce ultrasonic frequency and intensity, take ultrasonic cleaner as an example, if the frequency and the intensity of ultrasonic frequency receive the influence to weaken, then ultrasonic cleaner will reduce the cleaning efficiency of article.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not screwing up the screw through the rear end cap, but through twisting the ultrasonic transducer who moves the screw that the front end cap dismantled and installed, this ultrasonic transducer can guarantee the stability of the pressure parameter of transducer in the later maintenance process.

In order to realize the purpose, the technical scheme of the utility model is that: an ultrasonic transducer comprises the following components in sequence from bottom to top: the ultrasonic transducer comprises a front end cover, a first electrode plate, first piezoelectric ceramics, a second electrode plate, second piezoelectric ceramics and a rear end cover, wherein a connecting groove is formed in the middle of the ultrasonic transducer, and a locking piece is inserted from the top of the connecting groove and is in threaded connection with the front end cover;

the front end cover is provided with a screwing part for dismounting, and one end of the front end cover, which is far away from the first electrode plate, is connected with the container wall;

a first electrode tab for connecting electricity is arranged on the first electrode plate;

a second tab for connecting electricity is arranged on the second electrode plate;

be equipped with the insulation support who is used for insulation protection in the spread groove, insulation support with the retaining member cup joints.

Further, the screwing part is an inner groove.

Still further, the inner groove includes a clamping section and a support section.

Still further, the clamping section is obliquely arranged, and the inclination angle of the clamping section is 30-60 degrees.

Further, the first tab and the second tab are arranged in a back-to-back manner

Further, the locking piece is an inner hexagonal cup head screw.

Further, the front end cap includes a step for abutting the insulating sleeve.

Furthermore, the container wall is provided with a mounting nut at the position corresponding to the connecting groove.

Further, the mounting nut is welded to the vessel wall.

The beneficial effects of the utility model reside in that: the twisting part is arranged on the front end cover, so that torsion is completely concentrated on the front end cover when the ultrasonic transducer is disassembled or assembled, thereby avoiding that the torsion is transmitted to each part by screwing a screw on the rear end cover, causing a series of changes to all parts, and effectively ensuring the stability of the pressure parameter of the ultrasonic transducer.

Drawings

Fig. 1 is a front view of the overall structure of the embodiment of the present invention.

Fig. 2 is a cross-sectional view of the overall structure of the embodiment of the present invention.

Fig. 3 is a perspective view of the overall structure of the embodiment of the present invention.

Fig. 4 is an exploded view of the overall structure of the embodiment of the present invention.

In the figure, a front end cover 100, a screwing part 110, a clamping section 111 and a supporting section 112; a first electrode sheet 200, a first tab 210; a first piezoelectric ceramic 300; a second electrode pad 400, a second electrode tab 410; a second piezoelectric ceramic 500; a rear end cap 600; a connecting groove 700; a retaining member 800; an insulating sleeve 900.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details of an ultrasonic transducer. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "central," "longitudinal," "lateral," "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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 will be understood by those of ordinary skill in the art from the specific context.

Referring to fig. 1-4, in the specific embodiment provided by the present invention, the ultrasonic transducer sequentially includes from bottom to top: the ultrasonic transducer comprises a front end cover 100, a first electrode plate 200, a first piezoelectric ceramic 300, a second electrode plate 400, a second piezoelectric ceramic 500 and a rear end cover 600, wherein a connecting groove 700 is formed in the middle of the ultrasonic transducer, the connecting groove 700 is an integral formed by opening holes in the middle of the aforementioned parts, and a locking piece 800 is inserted from the top of the connecting groove 700 and is screwed with the front end cover 100; the front end cover 100 is provided with a screwing part 110 for dismounting, and one end of the front end cover 100 departing from the first electrode plate 200 is connected with the container wall; a first tab 210 for power connection is arranged on the first electrode plate 200; a second tab 410 for connecting with electricity is arranged on the second electrode plate 400; be equipped with the insulation support 900 who is used for insulation protection in the spread groove 700, insulation support 900 cup joints with retaining member 800, and retaining member 800 is avoided electrically conductive in insulation support 900's setting, prevents to produce the danger of electrocuting to the people when later maintenance is dismantled or is installed ultrasonic transducer.

It can be understood that, by arranging the screwing part 110 on the front end cover 100, the torsion is all concentrated on the front end cover 100 when the ultrasonic transducer is disassembled or assembled, so that the torsion is prevented from being transmitted to each part by screwing the screw on the rear end cover 600, a series of changes are caused to all parts, and the stability of the pressure parameter of the ultrasonic transducer is effectively ensured.

The screwing part 110 may be an inner groove, which is tightly tightened by a wrench, or a ground surface is screwed by a wrench by increasing friction force, or a fixing hole is screwed by fixedly connecting with a disassembling tool, and here, it is preferable that the screwing part 110 may be an inner groove.

In order to prevent the wrench from sliding during disassembly, the inner groove can be divided into a clamping section 111 and a supporting section 112, the clamping section 111 is in direct contact with the acting force part of the wrench, and the supporting section 112 is used for providing supporting force for the head of the supporting wrench, so that the wrench is effectively prevented from sliding, and the disassembly efficiency is improved.

In addition, the clamping section 111 is preferably arranged obliquely, and the angle is controlled to be 30-60 degrees, so that the stable contact between the wrench and the front end cover can be ensured, and the wrench is further prevented from sliding off.

The first electrode plate 200 and the second electrode plate 400 can be arranged in the same direction or in a back direction, so that the connection of the positive electrode and the negative electrode is facilitated during electrification, and errors are not easy to occur.

The locking member 800 may be a bolt or a screw with a head having various regular geometric figures (e.g., a quadrangle, a pentagon or a hexagon), and the like, and preferably has a socket head screw, and the hexagonal screw can be restored by screwing 60 degrees, and if the space is narrow, the screw can be installed as long as the wrench can screw 60 degrees, and if the square is provided, the side length is long, but the pattern can be restored by screwing 90 degrees, and the locking member is not suitable for installation in a small space; if the pattern is octagonal or decagonal, the angle of graph reduction is small, but the side length of stress is small, and rounding is easy; if the screw is a screw with the odd number of sides, the two sides of the wrench are not parallel, and the wrench head with the odd number of sides is a horn-shaped opening which is not suitable for exerting force.

In order to ensure that the insulating sleeve 900 can be stably fixed to the connecting groove 700, the front end cover 100 is provided with a step portion 120 for abutting against the insulating sleeve 900, and the insulating sleeve 900 abuts against the step portion 120.

In order to ensure the stable connection between the container wall and the front end cover 100, a mounting nut may be disposed on the container wall at a position corresponding to the connecting groove 700, and the mounting nut also has a function of positioning and preventing loosening, and preferably, the mounting nut is welded to the container wall, so that the connection is stable.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims (9)

1. The ultrasonic transducer is characterized by sequentially comprising from bottom to top: the ultrasonic transducer comprises a front end cover (100), a first electrode plate (200), first piezoelectric ceramics (300), a second electrode plate (400), second piezoelectric ceramics (500) and a rear end cover (600), wherein a connecting groove (700) is formed in the middle of the ultrasonic transducer, and a locking piece (800) is inserted from the top of the connecting groove (700) and is in threaded connection with the front end cover (100);

a screwing part (110) for dismounting is arranged on the front end cover (100), and one end of the front end cover (100) departing from the first electrode plate (200) is connected with the wall of the container;

a first tab (210) for power connection is arranged on the first electrode plate (200);

a second tab (410) for power connection is arranged on the second electrode plate (400);

be equipped with in spread groove (700) and be used for insulating protection's insulating sleeve (900), insulating sleeve (900) with retaining member (800) cup joint.

2. An ultrasonic transducer according to claim 1, wherein the driving portion (110) is an inner recess.

3. An ultrasonic transducer according to claim 2, wherein the inner recess comprises a clamping section (111) and a supporting section (112).

4. An ultrasonic transducer according to claim 3, wherein the clamping section (111) is arranged obliquely, and the oblique angle of the clamping section (111) is 30-60 °.

5. The ultrasonic transducer according to claim 1, wherein the first tab (210) and the second tab (410) are disposed oppositely.

6. The ultrasonic transducer according to claim 1, wherein the locking member (800) is a hexagon socket head cap screw.

7. An ultrasonic transducer according to claim 1, wherein the front end cap (100) comprises a step (120) for abutting the insulating sleeve (900).

8. An ultrasonic transducer according to claim 1, characterized in that the vessel wall is provided with mounting nuts at positions corresponding to the positions of the connecting slots (700).

9. The ultrasonic transducer of claim 8, wherein the mounting nut is welded to the vessel wall.

Images