CN104013475A - Ultrasonic wave tooth cleaning device with double langevin oscillators - Google Patents
Ultrasonic wave tooth cleaning device with double langevin oscillators Download PDFInfo
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- CN104013475A CN104013475A CN201410186862.8A CN201410186862A CN104013475A CN 104013475 A CN104013475 A CN 104013475A CN 201410186862 A CN201410186862 A CN 201410186862A CN 104013475 A CN104013475 A CN 104013475A
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- langevin
- cutter head
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- piezoelectric ceramic
- type transducer
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Abstract
The invention discloses an ultrasonic wave tooth cleaning device with double langevin oscillators. The tooth cleaning device comprises a working cutter head, a connector and langevin oscillators, wherein the working cutter head is arranged on the connector; the langevin oscillators are connected with the connector; the langevin oscillators comprise oscillation rods, variable amplitude cones, connecting discs, first piezoelectric ceramic pieces, second piezoelectric ceramic pieces, first counter weights and second counter weights; two langevin oscillators are arranged; the oscillation rods of the two langevin oscillators are both connected with the connector. According to the wave tooth cleaning device with the double langevin oscillators, by simultaneously stimulating the two langevin oscillators to be in a symmetric mode of stretching and oscillating in a same direction and be in a dissymmetric mode of stretching and oscillating in opposite directions, the working cutter head can both oscillate in the axial direction and oscillate in the radial direction, and then a better tooth surface cleaning effect is achieved for the working cutter head.
Description
Technical field
The present invention relates to the ultrasonic tooth device of a kind of tooth cleaning device, particularly a kind of pair of Langevin-type transducer.
Background technology
Clean and the beauty therapeutic in oral cavity is related to people's health and image, more and more comes into one's own, and many new technology are arisen at the historic moment, this wherein, the application of ultrasonic tooth technology is comparatively extensive; Ultrasonic tooth principle is that to utilize frequency be that 20 hertz of above vibration of ultrasonic wave carry out scaling and scrape the oral medical instrument of controlling tartar, dental plaque; Compared with cleaning one's teeth with traditional craft, have that efficiency is high, speed is fast, wound is light, go out insufficiency of blood, save time, the advantage such as laborsaving; The main working parts of ultrasonic cavitron is ultrasonic transducer, ultrasonic transducer is to convert electric energy to mechanical vibrational energy under the more than 20 hertz higher-order of oscillation functions of current in frequency, excitation working head cutter produces same frequency vibration, reaches and smashes tartar, the object of loose tartar; The energy conversion efficiency of ultrasonic transducer directly has influence on the service behaviour of tooth-cleaning machine; The transducer that the ultrasonic cavitron using at present adopts is made up of single Langevin-type transducer, the mechanical vibrational energy obtaining is less, Langevin-type transducer is a kind of oscillator that utilizes longitudinal effect to have higher-energy conversion efficiency, under the higher-order of oscillation function of current of piezoelectric ceramics in Langevin-type transducer more than 20 hertz, produce axial vibration, and be delivered to end along oscillator; But single Langevin-type transducer only produces axial vibration, and track is single, and efficiency is lower.
Summary of the invention
For the technical problem of above-mentioned existence, the object of the invention is: the ultrasonic tooth device that has proposed a kind of pair of Langevin-type transducer.
Technical solution of the present invention is achieved in that the ultrasonic tooth device of a kind of pair of Langevin-type transducer, comprises work cutter head, union joint and Langevin-type transducer; Described work cutter head is arranged on union joint, and Langevin-type transducer is connected with union joint; Described Langevin-type transducer comprises the vibrating arm, luffing cone, terminal pad, the first piezoelectric ceramic piece, the second piezoelectric ceramic piece, the first balancing weight and the second balancing weight that connect successively; Described Langevin-type transducer has two, and the vibrating arm of two Langevin-type transducers is all connected on union joint.
Preferably, described two Langevin-type transducers centrage mutually vertical.
Preferably, on described union joint, be provided with shoulder hole, in shoulder hole, be provided with and hold out against screw, hold out against screw the tail end of work cutter head is pressed in shoulder hole.
Preferably, the luffing cone of described two Langevin-type transducers, terminal pad, the first piezoelectric ceramic piece, the second piezoelectric ceramic piece, the first balancing weight and the second balancing weight are all connected and fixed by an attachment screw.
Preferably, the terminal pad place of described two Langevin-type transducers is provided with fixed support.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The ultrasonic tooth device of of the present invention pair of Langevin-type transducer, by excite two Langevin-type transducers to do the symmetrical mode of stretching vibration and the antisymmetry mode of reverse stretching vibration in the same way simultaneously, the work cutter head of making both can vibrate vertically, the work cutter head of making both can vibrate vertically, can radially vibrate again, the work cutter head of making can play the effect of better clean facing.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Accompanying drawing 1 is the cutaway view of the ultrasonic tooth device of of the present invention pair of Langevin-type transducer;
Accompanying drawing 2 is the partial enlarged drawing of the cutaway view of the ultrasonic tooth device of of the present invention pair of Langevin-type transducer;
Wherein: 1, work cutter head; 2, union joint; 3, vibrating arm; 4, luffing cone; 5, terminal pad; 6, the first piezoelectric ceramic piece; 7, the second piezoelectric ceramic piece; 8, the first balancing weight; 9, the second balancing weight; 10, hold out against screw; 11, screw rod; 12, attachment screw; 13, fixed support.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described.
As shown in Figure 1-2, the ultrasonic tooth device of a kind of pair of Langevin-type transducer of the present invention, comprises work cutter head 1, union joint 2 and Langevin-type transducer; The head design of described work cutter head 1 becomes flat, can expand the contact area with tooth; Described work cutter head 1 is arranged on union joint 2; On described union joint 2, be provided with shoulder hole, in shoulder hole, be provided with and hold out against screw 10, hold out against screw 10 tail end of work cutter head 1 is pressed in shoulder hole; Described Langevin-type transducer has two, each Langevin-type transducer all comprises vibrating arm 3, luffing cone 4, terminal pad 5, the first piezoelectric ceramic piece 6, the second piezoelectric ceramic piece 7, the first balancing weight 8 and 9, two Langevin-type transducers of the second balancing weight of connecting successively and is all connected on union joint 2 by its vibrating arm 3; Described two Langevin-type transducers centrage mutually vertical; Luffing cone 4, terminal pad 5, the first piezoelectric ceramic piece 6, the second piezoelectric ceramic piece 7, the first balancing weight 8 and second balancing weight 9 of described two Langevin-type transducers are all connected and fixed by an attachment screw 12; Terminal pad 5 places of described two Langevin-type transducers are provided with fixed support 13.
When work, Langevin-type transducer has symmetrical and two kinds of mode of antisymmetry, when two Langevin-type transducers do the stretching vibration of homophase simultaneously, has just formed symmetrical mode, and now, on work cutter head 1, formation is along axial vibration; When two Langevin-type transducers do reverse each other stretching motion simultaneously, just form antisymmetry mode, now, on work cutter head 1, form along vibration radially; On described two Langevin-type transducers, be provided with the first piezoelectric ceramic piece 6 and the second piezoelectric ceramic piece 7, on the first piezoelectric ceramic piece 6 in a Langevin-type transducer and the second piezoelectric ceramic piece 7, apply therein sinusoidal wave and cosine wave voltage signal, on the first piezoelectric ceramic piece 6 in another Langevin-type transducer and the second piezoelectric ceramic piece 7, apply sinusoidal wave and negative cosine wave voltage signal, can excite symmetrical and antisymmetry mode simultaneously, while making work cutter head 1 do axial and radial vibration simultaneously, form elliptical path, acted on tooth face and can clean better facing.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
The ultrasonic tooth device of of the present invention pair of Langevin-type transducer, by excite two Langevin-type transducers to do the symmetrical mode of stretching vibration and the antisymmetry mode of reverse stretching vibration in the same way simultaneously, the work cutter head of making both can vibrate vertically, the work cutter head of making both can vibrate vertically, can radially vibrate again, the work cutter head of making can play the effect of better clean facing.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a ultrasonic tooth device for two Langevin-type transducers, comprises work cutter head (1), union joint (2) and Langevin-type transducer; It is upper that described work cutter head (1) is arranged on union joint (2), and Langevin-type transducer is connected with union joint (2); Described Langevin-type transducer comprises the vibrating arm (3), luffing cone (4), terminal pad (5), the first piezoelectric ceramic piece (6), the second piezoelectric ceramic piece (7), the first balancing weight (8) and the second balancing weight (9) that connect successively; It is characterized in that: described Langevin-type transducer has two, the vibrating arm (3) of two Langevin-type transducers is all connected on union joint (2).
2. the ultrasonic tooth device of according to claim 1 pair of Langevin-type transducer, is characterized in that: described two Langevin-type transducers centrage mutually vertical.
3. the ultrasonic tooth device of according to claim 1 pair of Langevin-type transducer, it is characterized in that: described union joint is provided with shoulder hole on (2), in shoulder hole, be provided with and hold out against screw (10), hold out against screw (10) tail end of the cutter head of working (1) is pressed in shoulder hole.
4. the ultrasonic tooth device of according to claim 1 pair of Langevin-type transducer, is characterized in that: luffing cone (4), terminal pad (5), the first piezoelectric ceramic piece (6), the second piezoelectric ceramic piece (7), the first balancing weight (8) and second balancing weight (9) of described two Langevin-type transducers are all connected and fixed by an attachment screw (12).
5. the ultrasonic tooth device of according to claim 1 pair of Langevin-type transducer, is characterized in that: the terminal pad (5) of described two Langevin-type transducers locates to be provided with fixed support (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186862.8A CN104013475B (en) | 2014-05-06 | 2014-05-06 | A kind of ultrasonic tooth device of pair of Langevin-type transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410186862.8A CN104013475B (en) | 2014-05-06 | 2014-05-06 | A kind of ultrasonic tooth device of pair of Langevin-type transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104013475A true CN104013475A (en) | 2014-09-03 |
| CN104013475B CN104013475B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410186862.8A Expired - Fee Related CN104013475B (en) | 2014-05-06 | 2014-05-06 | A kind of ultrasonic tooth device of pair of Langevin-type transducer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691615A (en) * | 2016-12-27 | 2017-05-24 | 苏州市职业大学 | Toothbrush sleeve with longitudinal and torsional ultrasonic vibration |
| CN113775772A (en) * | 2021-08-25 | 2021-12-10 | 南京航空航天大学 | Aviation fuel metering and adjusting piezoelectric valve and working method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989001763A1 (en) * | 1987-08-25 | 1989-03-09 | Bien-Air S.A. | Dental descaling device |
| US20030099917A1 (en) * | 2001-11-26 | 2003-05-29 | Aseptico, Incorporated, A Division Of North Pacific Dental | Piezoelectric dental scaler apparatus |
| CN2834457Y (en) * | 2005-11-11 | 2006-11-08 | 吴勋辉 | Supersonic tooth-cleaning machine handle |
| CN200987127Y (en) * | 2006-10-30 | 2007-12-05 | 苏州市职业大学 | K-shaped straight line ultrasonic motor |
| CN201076522Y (en) * | 2007-05-11 | 2008-06-25 | 治齿灵有限公司 | Ultrasonic vibration scraper |
| CN101656489A (en) * | 2009-09-04 | 2010-02-24 | 华南农业大学 | Linear ultrasonic motor with V-shaped prism composite oscillator |
| CN103099684A (en) * | 2013-03-04 | 2013-05-15 | 东莞华中科技大学制造工程研究院 | Ultrasonic tooth cleaning energy transducer |
| TW201340949A (en) * | 2013-07-01 | 2013-10-16 | Si-Teng Lin | Bristle-less toothbrush structure (II) |
| CN203935290U (en) * | 2014-05-06 | 2014-11-12 | 苏州市职业大学 | The ultrasonic tooth device of a kind of pair of Langevin-type transducer |
-
2014
- 2014-05-06 CN CN201410186862.8A patent/CN104013475B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989001763A1 (en) * | 1987-08-25 | 1989-03-09 | Bien-Air S.A. | Dental descaling device |
| US20030099917A1 (en) * | 2001-11-26 | 2003-05-29 | Aseptico, Incorporated, A Division Of North Pacific Dental | Piezoelectric dental scaler apparatus |
| CN2834457Y (en) * | 2005-11-11 | 2006-11-08 | 吴勋辉 | Supersonic tooth-cleaning machine handle |
| CN200987127Y (en) * | 2006-10-30 | 2007-12-05 | 苏州市职业大学 | K-shaped straight line ultrasonic motor |
| CN201076522Y (en) * | 2007-05-11 | 2008-06-25 | 治齿灵有限公司 | Ultrasonic vibration scraper |
| CN101656489A (en) * | 2009-09-04 | 2010-02-24 | 华南农业大学 | Linear ultrasonic motor with V-shaped prism composite oscillator |
| CN103099684A (en) * | 2013-03-04 | 2013-05-15 | 东莞华中科技大学制造工程研究院 | Ultrasonic tooth cleaning energy transducer |
| TW201340949A (en) * | 2013-07-01 | 2013-10-16 | Si-Teng Lin | Bristle-less toothbrush structure (II) |
| CN203935290U (en) * | 2014-05-06 | 2014-11-12 | 苏州市职业大学 | The ultrasonic tooth device of a kind of pair of Langevin-type transducer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691615A (en) * | 2016-12-27 | 2017-05-24 | 苏州市职业大学 | Toothbrush sleeve with longitudinal and torsional ultrasonic vibration |
| CN113775772A (en) * | 2021-08-25 | 2021-12-10 | 南京航空航天大学 | Aviation fuel metering and adjusting piezoelectric valve and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104013475B (en) | 2016-08-24 |
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Effective date of registration: 20191206 Address after: 541000 third floor, assembly building, No.84, Liuhe Road, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Guilin Yilang Electronic Equipment Co., Ltd Address before: 215104 Wuzhong District International Education Park, Jiangsu, No. 106 Avenue, Suzhou Vocational University, Patentee before: Suzhou vocational University |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20210506 |