CN218006130U

CN218006130U - Non-contact ultrasonic motor

Info

Publication number: CN218006130U
Application number: CN202221462602.5U
Authority: CN
Inventors: 严易; 田文飞; 陈文霞; 简良容; 左春梅
Original assignee: Hubei Tianrui Electronic Co ltd
Current assignee: Hubei Tianrui Electronic Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-12-09
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to an supersound motor technical field, concretely relates to non-contact supersound motor, its technical scheme is: including casing and pivot, still include demountable installation preceding screen cover subassembly and back screen cover subassembly, fixed mounting on the casing both sides be close to the stator module and the epaxial rotor mechanism of fixed mounting in the back screen cover subassembly one side at the casing, the both ends of pivot are rotated respectively and are installed on preceding screen cover subassembly and back screen cover subassembly, rotor mechanism is including fixed cover establish rotor subassembly and the flabellum subassembly in the pivot, the beneficial effects of the utility model are that: set up the flabellum subassembly and can accelerate the inside heat discharge of non-contact supersound motor, the preceding screen cover subassembly that sets up makes the casing of non-contact supersound motor ventilate with back screen cover subassembly to the realization carries out the heat dissipation treatment to the heat that non-contact supersound motor produced at the during operation, and the radiating effect is good, very big extension the life of non-contact supersound motor.

Description

Non-contact ultrasonic motor

Technical Field

The utility model relates to an supersound motor technical field, concretely relates to non-contact supersound motor.

Background

The ultrasonic motor technology is a new technology combined by the subjects of vibration, wave motion, tribology, dynamic design, power electronics, automatic control, new materials, new technology and the like, compared with the traditional motor, the ultrasonic motor has no winding and magnetic pole and does not need to generate the motion force through the electromagnetic action, the ultrasonic motor generally consists of a vibrating body (equivalent to a stator in the traditional motor and made of piezoelectric ceramics and metal elastic materials) and a moving body (equivalent to a rotor in the traditional motor and made of elastic bodies, friction materials, plastics and the like), when high-frequency alternating voltage is applied to a piezoelectric ceramic vibrator of the vibrating body, the stator generates micro mechanical vibration in an ultrasonic frequency band (the frequency is more than 20 kHz) by utilizing the inverse piezoelectric effect or the electrostrictive effect, and the vibration is converted into rotary or linear motion through resonance amplification and frictional coupling, and the ultrasonic motor has low-speed and large-torque output; the power density is high; the start-stop controllability is good; direct drive can be realized; accurate positioning can be realized; a linear moving motor can be easily manufactured; the noise is low; the non-contact ultrasonic motor has the characteristic of no electromagnetic interference and no electromagnetic interference, and in recent years, the non-contact ultrasonic motor becomes a new research field, also called as an acoustic levitation ultrasonic motor.

The shell of the existing non-contact ultrasonic motor is generally closed, the non-contact ultrasonic motor does not have a heat dissipation structure, the non-contact ultrasonic motor can generate certain heat during working, and when the heat in the non-contact ultrasonic motor cannot be dissipated in time, the non-contact ultrasonic motor is easily damaged, so that the service life of the non-contact ultrasonic motor is shortened.

Therefore, it is necessary to invent a non-contact ultrasonic motor.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a non-contact supersound motor, can accelerate the inside heat discharge of non-contact supersound motor through setting up the flabellum subassembly, the preceding screen cover subassembly and the back screen cover subassembly that set up make the casing of non-contact supersound motor ventilate, thereby the realization carries out the thermal treatment at the heat that the during operation produced to non-contact supersound motor, the radiating effect is good, very big extension the life of non-contact supersound motor, the casing with solving current non-contact supersound motor generally all is the confined, and non-contact supersound motor does not have radiating structure, non-contact supersound motor can produce certain heat at the during operation, when the inside heat of non-contact supersound motor can not in time carry out the thermal treatment, lead to non-contact supersound motor to damage easily, thereby the problem of non-contact supersound motor's life has been shortened.

In order to achieve the above object, the present invention provides the following technical solutions: a non-contact ultrasonic motor comprises a shell, a rotating shaft, a front net cover assembly, a rear net cover assembly, a stator assembly and a rotor mechanism, wherein the front net cover assembly and the rear net cover assembly are detachably arranged on two sides of the shell;

the rotor mechanism comprises a rotor component and a fan blade component which are fixedly sleeved on the rotating shaft.

Preferably, the stator assembly comprises a T-shaped sleeve, the T-shaped sleeve is sleeved on the rotating shaft, four sides of the outer wall of the T-shaped sleeve are fixedly connected with the inner wall of the casing through connecting rods, and a vibration stator is fixedly sleeved on one side, away from the rear mesh cap assembly, of the T-shaped sleeve.

Preferably, back screen cover subassembly includes the dustproof otter board of second, the central fixed mounting of the dustproof otter board of second has the circular piece of second, the external fixation cover of the dustproof otter board of second is equipped with the rear deckle board, the rear deckle board passes through multiunit bolt demountable installation on the casing is close to telescopic one side of T shape.

Preferably, the one end that the pivot is close to the second circular block is rotated and is installed in the second circular block, one side that the second circular block was kept away from to the casing sets up preceding screen cover subassembly, rotor subassembly and fan blade subassembly all fixed cover are established in the pivot and are kept away from one of second dust screen board and serve.

Preferably, preceding screen cover subassembly includes first dustproof otter board, the center fixed mounting of first dustproof otter board has first circular piece, the one end that the second circular piece was kept away from in the pivot is rotated and is installed on first circular piece, the fixed cover in the outside of first dustproof otter board is equipped with the place ahead framed bent, the place ahead framed bent passes through multiunit bolt demountable installation on one side that the rear framed bent was kept away from to the casing.

Preferably, the rotor subassembly includes first sleeve, the fixed cover of first sleeve is established and is served at the pivot and keep away from the dustproof otter board of second, first sleeve is close to telescopic one side of T and is provided with the removal rotor, even fixed mounting has three groups of connecting rods on the side of first sleeve, and three groups the connecting rod is kept away from the equal fixed mounting of first telescopic one end and is being removed on the rotor.

Preferably, the sleeve is sleeved on the rotating shaft, and one side, away from the moving rotor, of the first sleeve is provided with a fan blade assembly.

Preferably, the fan blade component comprises a second sleeve, the second sleeve is arranged on one side, away from the T-shaped sleeve, of the first sleeve, the second sleeve is fixedly sleeved on the rotating shaft, and fan blades are uniformly and fixedly arranged on the side edge of the second sleeve.

The utility model has the advantages that:

1. the fan blade assembly is arranged to accelerate the heat discharge in the non-contact ultrasonic motor, and the front net cover assembly and the rear net cover assembly are arranged to ventilate the shell of the non-contact ultrasonic motor, so that the heat generated by the non-contact ultrasonic motor during working is radiated, the radiating effect is good, and the service life of the non-contact ultrasonic motor is greatly prolonged;

2. the preceding screen cover subassembly and the back screen cover subassembly that set up still can prevent that outside dust can't get into inside the non-contact supersound motor when realizing the effect that the casing of non-contact supersound motor ventilates to avoided the dust to get into inside the phenomenon that causes the influence to the normal use of non-contact supersound motor, the practicality is strong.

Drawings

Fig. 1 is a front view of a non-contact ultrasonic motor provided by the present invention;

fig. 2 is a structural diagram of the non-contact ultrasonic motor provided by the present invention;

FIG. 3 is a perspective view of a front screen assembly provided by the present invention;

fig. 4 is a perspective view of the rotor assembly provided by the present invention.

In the figure: 1-shell, 2-vibrating stator, 3-T-shaped sleeve, 4-connecting rod, 5-moving rotor, 6-connecting rod, 7-first sleeve, 8-second sleeve, 9-fan blade, 10-rotating shaft, 11-front frame plate, 12-first dustproof net plate, 13-first circular block, 14-second circular block, 15-second dustproof net plate and 16-rear frame plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the accompanying drawings 1-4, the utility model provides a pair of non-contact ultrasonic motor, including 1 casing and pivot 10, still include demountable installation preceding screen cover subassembly and back screen cover subassembly on 1 both sides of casing, fixed mounting be close to the stator module of back screen cover subassembly one side and the rotor mechanism of fixed mounting in pivot 10 at the casing, the both ends of pivot 10 are rotated respectively and are installed on preceding screen cover subassembly and back screen cover subassembly, rotor mechanism is including fixed rotor subassembly and the flabellum subassembly of establishing in pivot 10 of establishing.

Stator module includes that T shape sleeve 3,T shape sleeve 3 cover is established on pivot 10, and four sides of the outer wall of T shape sleeve 3 all are through connecting rod 4 and casing 1's inner wall fixed connection, install T shape sleeve 3 on casing 1 through four groups of connecting rods 4, and fixed cover is equipped with vibrating stator 2,T shape sleeve 3 and is used for installing vibrating stator 2 on the one side that T shape sleeve 3 kept away from back wire cover subassembly.

The back screen cover subassembly includes second dustproof otter board 15, the center fixed mounting of second dustproof otter board 15 has second circular block 14, the fixed cover in outside of second dustproof otter board 15 is equipped with rear framed lamella 16, the second dustproof otter board 15 that sets up is used for the inside heat of non-contact supersound motor to discharge the outside of non-contact supersound motor, avoid outside dust to get into inside the non-contact supersound motor simultaneously, rear framed lamella 16 is through multiunit bolt demountable installation on casing 1 is close to one side of T shape sleeve 3, the one end rotation that pivot 10 is close to second circular block 14 is installed in second circular block 14, casing 1 keeps away from one side of second circular block 14 and sets up preceding screen cover subassembly, rotor subassembly and the equal fixed cover of flabellum subassembly are established and are kept away from on one end of second dustproof otter board 15 in pivot 10.

Preceding screen lid subassembly includes first dust screen 12, the center fixed mounting of first dust screen 12 has first circular piece 13, first dust screen 12 is used for inside the outside air admission non-contact supersound motor, thereby carry out the heat dissipation treatment to non-contact supersound motor inside through fan blade assembly, the one end that second circular piece 14 was kept away from in pivot 10 is rotated and is installed on first circular piece 13, the fixed cover in the outside of first dust screen 12 is equipped with place ahead framework 11, place ahead framework 11 passes through multiunit bolt demountable installation on the one side that rear framework 16 was kept away from to casing 1.

The rotor subassembly includes first sleeve 7, first sleeve 7 fixed cover is established in pivot 10 and is kept away from one of second dust screen 15 and serve, one side that first sleeve 7 is close to T shape sleeve 3 is provided with removal rotor 5, even fixed mounting has three connecting rods 6 on the side of first sleeve 7, and the equal fixed mounting of one end that first sleeve 7 was kept away from to three connecting rods 6 of group is on removing

rotor

5, 5 covers are established in pivot 10, one side that first sleeve 7 was kept away from and is removed rotor 5 sets up flabellum subassembly.

The flabellum subassembly includes second sleeve 8, second sleeve 8 sets up the one side of keeping away from T shape sleeve 3 at first sleeve 7, the fixed cover of second sleeve 8 is established in pivot 10, even fixed mounting has flabellum 9 on the side of second sleeve 8, flabellum 9 rotates and blows to one side near vibrating stator 2, the outside that ultrasonic motor's inside steam passes through second dustproof otter board 15 and discharges the ultrasonic motor, thereby realize that non-contact ultrasonic motor drives flabellum 9 and rotates the inside heat dissipation of non-contact ultrasonic motor at the during operation, the radiating effect is good.

The utility model discloses a use as follows: when the ultrasonic motor is used, the ultrasonic motor is electrified, when high-frequency alternating current voltage is applied to a piezoelectric ceramic vibrator of the vibration stator 2, the stator generates micro mechanical vibration in an ultrasonic frequency band (the frequency is more than 20 kHz) by utilizing an inverse piezoelectric effect or an electrostrictive effect, the vibration is converted into rotation of the movable rotor 5 through resonance amplification and friction coupling, because the first sleeve 7 is fixedly connected with the movable rotor 5, the first sleeve 7 is fixedly connected with the rotating shaft 10, the movable rotor 5 rotates to enable the first sleeve 7 and the rotating shaft 10 to rotate, namely the rotating shaft 10 rotates to enable the second sleeve 8 and the fan blades 9 to rotate, the fan blades 9 rotate to blow to one side close to the vibration stator 2, namely, air outside the ultrasonic motor enters the ultrasonic motor through the first dustproof screen 12, the fan blades 9 blow to one side close to the vibration stator 2, namely, hot air inside the ultrasonic motor is discharged to the outside of the ultrasonic motor through the second dustproof screen 15, heat generated when the ultrasonic motor works can be radiated, the heat radiation effect is good, the service life of the ultrasonic motor is greatly prolonged, and the phenomenon that dust inside the ultrasonic motor cannot enter the ultrasonic motor can be normally caused, and the influence of the ultrasonic motor can be avoided.

The above are only preferred embodiments of the present invention, and any person skilled in the art may modify the present invention or modify it into equivalent technical solutions by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. A non-contact ultrasonic motor comprises a shell (1) and a rotating shaft (10), and is characterized in that: the motor also comprises a front net cover component and a rear net cover component which are detachably arranged on two sides of the shell (1), a stator component fixedly arranged in one side of the shell close to the rear net cover component and a rotor mechanism fixedly arranged on the rotating shaft (10), wherein two ends of the rotating shaft (10) are respectively and rotatably arranged on the front net cover component and the rear net cover component;

the rotor mechanism comprises a rotor component and a fan blade component which are fixedly sleeved on the rotating shaft (10).

2. The non-contact ultrasonic motor according to claim 1, wherein: the stator assembly comprises a T-shaped sleeve (3), the T-shaped sleeve (3) is sleeved on the rotating shaft (10), four sides of the outer wall of the T-shaped sleeve (3) are fixedly connected with the inner wall of the shell (1) through connecting rods (4), and a vibrating stator (2) is fixedly sleeved on one side, away from the rear mesh cover assembly, of the T-shaped sleeve (3).

3. The ultrasonic motor of claim 2, wherein: the back screen cover subassembly includes second dustproof otter board (15), the center fixed mounting of second dustproof otter board (15) has second circular piece (14), the external fixation cover of second dustproof otter board (15) is equipped with rear deckle board (16), rear deckle board (16) are through multiunit bolt demountable installation on casing (1) is close to one side of T shape sleeve (3).

4. A non-contact ultrasonic motor according to claim 3, wherein: the one end that pivot (10) are close to second circular piece (14) is rotated and is installed in second circular piece (14), one side that second circular piece (14) were kept away from in casing (1) sets up preceding screen cover subassembly, rotor subassembly and fan blade subassembly are all fixed the cover and are established in pivot (10) and are kept away from one of second dust screen board (15) and serve.

5. The non-contact ultrasonic motor according to claim 4, wherein: preceding screen cover subassembly includes first dustproof otter board (12), the center fixed mounting of first dustproof otter board (12) has first circular piece (13), the one end rotation of keeping away from second circular piece (14) in pivot (10) is installed on first circular piece (13), the fixed cover in the outside of first dustproof otter board (12) is equipped with place ahead framed bent (11), place ahead framed bent (11) are through multiunit bolt demountable installation on one side that rear framed bent (16) was kept away from in casing (1).

6. The non-contact ultrasonic motor according to claim 4, wherein: the rotor subassembly includes first sleeve (7), the fixed cover of first sleeve (7) is established and is served in pivot (10) one of keeping away from second dustproof otter board (15), one side that first sleeve (7) are close to T shape sleeve (3) is provided with removal rotor (5), even fixed mounting has three groups connecting rod (6) on the side of first sleeve (7), and three groups the equal fixed mounting of one end that first sleeve (7) were kept away from in connecting rod (6) is on removing rotor (5).

7. The non-contact ultrasonic motor according to claim 6, wherein: the movable rotor (5) is sleeved on the rotating shaft (10), and a fan blade assembly is arranged on one side, away from the movable rotor (5), of the first sleeve (7).

8. The ultrasonic motor of claim 7, wherein: the flabellum subassembly includes second sleeve (8), one side of T shape sleeve (3) is kept away from in first sleeve (7) in second sleeve (8) setting, second sleeve (8) fixed cover is established in pivot (10), even fixed mounting has flabellum (9) on the side of second sleeve (8).