CN203368282U - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
- Publication number
- CN203368282U CN203368282U CN 201320490022 CN201320490022U CN203368282U CN 203368282 U CN203368282 U CN 203368282U CN 201320490022 CN201320490022 CN 201320490022 CN 201320490022 U CN201320490022 U CN 201320490022U CN 203368282 U CN203368282 U CN 203368282U
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- casing
- circuit board
- magnet steel
- magnetic steel
- upper casing
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- Expired - Lifetime
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model relates to a linear vibration motor, comprising a lower casing and an upper casing, wherein a fixing sleeve and a spring strip are arranged in the upper casing, one end of the spring strip is connected with the upper casing, one end is connected with the fixing sleeve, the inwall of the fixing sleeve is provided with a coil, the outer side of the fixing sleeve is sleeved with a vibratory hammer, a piece of magnetic steel is arranged in the coil, the magnetic steel is fixed in the upper casing, the spring strip is provided with an opening that allows the magnetic steel to pass through, the lower casing is provided with a circuit board I, the vibratory hammer is provided with a circuit board II, the circuit board II is electrically connected with the coil, and the circuit board I is electrically connected with the circuit board II. When the coil is power on, a magnetic field with alternating positive and negative poles is generated, so that the magnetic steel drives the vibratory hammer which is connected with the fixing sleeve to vibrate linearly up and down under the action of the principle that same poles repel each other and opposite poles attract each other. The linear vibration motor has the advantages of simple structure, large vibration amplitude, stable and reliable performance and long service life, and improves the sensory degree of users.
Description
Technical field
The utility model relates to a kind of motor, is specifically related to a kind of linear vibration motor.
Background technology
Communication instrument has usually calls out the basic function of receiving function as them, and the calling receiving function need to arrange all if the parts of the prompt facilities such as tune, the tinkle of bells or vibration occur.Because tune or the tinkle of bells need to be sent to the external world through loud speaker, can disturb other people, even under some special occasions, forbid to use, for example, in the meeting process, so need vibrating function to avoid this situation.For thering is vibrating function, usually adopt small-size vibration motor, actuating force is sent to the shell of communication instrument, thereby vibrates it.Although, and the oscillator of common motor can provide the support of noiseless interactive mode, there is following defect: (1) delay of response, vibratory output is little; (2) user experiences not good; (3) life-span short, can not meet and support long-term noiseless interactive mode.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of linear vibration motor, has overcome above-mentioned weak point, and it is simple in structure, stable and reliable for performance.
The utility model discloses a kind of linear vibration motor, comprise the lid shape upper casing that lower casing and lower casing partly cover, be provided with fixed cover and spring leaf in described upper casing, described spring leaf cross section is arch, described spring leaf concave surface one end is connected with the upper casing lower surface, described spring leaf convex surface one end is connected with the upper surface of fixed cover, described fixed cover inwall is circumferentially with coil along fixed cover, the described fixed cover outside is arranged with vibration hammer, be axially arranged with magnet steel along fixed cover in described coil, described magnet steel is fixed in upper casing, described spring leaf is provided with the opening that magnet steel is passed through, the upper surface of described lower casing is provided with the circuit board I, described circuit board I extends to outside upper casing along the upper surface of lower casing, described vibration hammer lower surface is provided with the circuit board II, described circuit board II is electrically connected to coil, described circuit board I is electrically connected to the circuit board II, described magnet steel is circumferentially with magnetic fluid along magnet steel.
Further, described magnet steel comprises upper magnetic steel and lower magnetic steel, and described upper magnetic steel is connected with upper casing, and described lower magnetic steel is connected with lower casing, between described upper magnetic steel and lower magnetic steel, is provided with yoke, and described upper magnetic steel is connected by yoke with lower magnetic steel.
Further, described magnet steel is connected with lower casing, and described magnet steel top is provided with yoke.
Further, described magnet steel is connected with upper casing, and described magnet steel lower end is provided with yoke.
Further, described upper casing lower surface is provided with and prevents that vibration hammer from clashing into the cotton I of buffering of upper casing.
Further, described lower casing upper surface is provided with and prevents that vibration hammer from clashing into the cotton II of buffering of lower casing.
The beneficial effects of the utility model are: the utility model linear vibration motor, after coil switch power, then produce the magnetic field that both positive and negative polarity alternately changes mutually, this magnetic field mutually alternately changed, the N utmost point that makes magnet steel itself have and the S utmost point are under the effect of two like magnetic poles repel each other principle of opposite sex attraction, thereby drive the vibration hammer be connected with fixed cover and do upper and lower straight-line oscillation, the buffering cotton on casing can not collide with casing vibration hammer when doing up-down vibration, thereby can not produce noise.The utility model is simple in structure, and vibratory output is large, stable and reliable for performance, and long service life has improved user's sense organ degree.
The accompanying drawing explanation
For the purpose, technical scheme and the advantage that make utility model is clearer, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein:
The structural representation that Fig. 1 is embodiment 1 of the present utility model;
The structural representation that Fig. 2 is embodiment 2 of the present utility model;
The structural representation that Fig. 3 is embodiment 3 of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
The structural representation that Fig. 1 is embodiment 1 of the present utility model, as shown in the figure, a kind of linear vibration motor, comprise the lid shape upper casing 2 that lower casing 1 and lower casing 1 part cover, be provided with fixed cover 3 and spring leaf 4 in described upper casing 2, described spring leaf 4 cross sections are arch, described spring leaf 4 concave surface one ends are connected with upper casing 2 lower surfaces, described spring leaf 4 convex surface one ends are connected with the upper surface of fixed cover 3, described fixed cover 3 inwalls are circumferentially with coil 5 along fixed cover 3, described fixed cover 3 outsides are arranged with vibration hammer 6, described coil 5 is interior is axially arranged with magnet steel 7 along fixed cover 3, described magnet steel 7 is fixed in upper casing 2, described spring leaf 4 is provided with the opening 8 that magnet steel 7 is passed through, the upper surface of described lower casing 1 is provided with circuit board I 9, described circuit board I 9 extends to outside upper casing 2 along the upper surface of lower casing 1, described vibration hammer 6 lower surfaces are provided with circuit board II 10, described circuit board II 10 is electrically connected to coil 5, described circuit board I 9 is electrically connected to circuit board II 10, described magnet steel 7 is circumferentially with magnetic fluid 11 along magnet steel 7.Magnetic fluid 11 makes vibration hammer 6 have more stable frictional resistance in vibration processes, thereby inertia that like this can 6 vibrations of slowing down vibration hammer due to the existence of frictional resistance after motor outage make vibration hammer 6 reach the function stopped rapidly.
In the present embodiment, described magnet steel 7 comprises upper magnetic steel 7a and lower magnetic steel 7b, described upper magnetic steel 7a is connected with upper casing 2, described lower magnetic steel 7b is connected with lower casing 1, be provided with yoke 12 between described upper magnetic steel 7a and lower magnetic steel 7b, described upper magnetic steel 7a is connected by yoke 12 with lower magnetic steel 7b, and yoke 12 is used for the suction-combining force of intensifier coil 5, increases work efficiency.
In the present embodiment, described upper casing 2 lower surfaces are provided with and prevent that vibration hammer 6 from clashing into the cotton I 13 of buffering of upper casing 2, and energy slowing down vibration hammer 6 is the cushioning effect to upper casing 2 at vibration processes, and reduces the noise that collision brings.
In the present embodiment, described lower casing 1 upper surface is provided with and prevents that vibration hammer 6 from clashing into the cotton II 14 of buffering of lower casings 1, can slowing down vibration hammer 6 in vibration processes to the cushioning effect of lower casing 1, and reduce the noise that collision brings.
The structural representation that Fig. 2 is embodiment 2 of the present utility model, as shown in the figure, as the second execution mode of the present utility model, described magnet steel 7 is connected with lower casing 1, and described magnet steel 7 tops are provided with yoke 12.
The structural representation that Fig. 3 is embodiment 3 of the present utility model, as shown in the figure, as the third execution mode of the present utility model, described magnet steel 7 is connected with upper casing 2, and described magnet steel 7 lower ends are provided with yoke 12.
After coil 5 switches on power, then produce the magnetic field that both positive and negative polarity alternately changes mutually, this magnetic field mutually alternately changed, the N utmost point that makes magnet steel 7 itself have and the S utmost point, under the effect of two like magnetic poles repel each other principle of opposite sex attraction, are done upper and lower straight-line oscillation thereby drive the vibration hammer 6 be connected with fixed cover 3.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and not depart from the spirit and scope of the present utility model that appended claims limits.
Claims (6)
1. a linear vibration motor, it is characterized in that: comprise the lid shape upper casing that lower casing and lower casing partly cover, be provided with fixed cover and spring leaf in described upper casing, described spring leaf cross section is arch, described spring leaf concave surface one end is connected with the upper casing lower surface, described spring leaf convex surface one end is connected with the upper surface of fixed cover, described fixed cover inwall is circumferentially with coil along fixed cover, the described fixed cover outside is arranged with vibration hammer, be axially arranged with magnet steel along fixed cover in described coil, described magnet steel is fixed in upper casing, described spring leaf is provided with the opening that magnet steel is passed through, the upper surface of described lower casing is provided with the circuit board I, described circuit board I extends to outside upper casing along the upper surface of lower casing, described vibration hammer lower surface is provided with the circuit board II, described circuit board II is electrically connected to coil, described circuit board I is electrically connected to the circuit board II, described magnet steel is circumferentially with magnetic fluid along magnet steel.
2. linear vibration motor according to claim 1, it is characterized in that: described magnet steel comprises upper magnetic steel and lower magnetic steel, described upper magnetic steel is connected with upper casing, described lower magnetic steel is connected with lower casing, be provided with yoke between described upper magnetic steel and lower magnetic steel, described upper magnetic steel is connected by yoke with lower magnetic steel.
3. linear vibration motor according to claim 1, it is characterized in that: described magnet steel is connected with lower casing, and described magnet steel top is provided with yoke.
4. linear vibration motor according to claim 1, it is characterized in that: described magnet steel is connected with upper casing, and described magnet steel lower end is provided with yoke.
5. according to the described linear vibration motor of claim 1 to 4 any one, it is characterized in that: described upper casing lower surface is provided with and prevents that vibration hammer from clashing into the cotton I of buffering of upper casing.
6. according to the described linear vibration motor of claim 1 to 4 any one, it is characterized in that: described lower casing upper surface is provided with and prevents that vibration hammer from clashing into the cotton II of buffering of lower casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320490022 CN203368282U (en) | 2013-08-12 | 2013-08-12 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320490022 CN203368282U (en) | 2013-08-12 | 2013-08-12 | Linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368282U true CN203368282U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320490022 Expired - Lifetime CN203368282U (en) | 2013-08-12 | 2013-08-12 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203368282U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825421A (en) * | 2014-03-06 | 2014-05-28 | 三星高新电机（天津）有限公司 | Sponge-positioned magnet type linear vibration motor |
| CN106208596A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear electric machine |
| CN106208601A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear electric machine |
| CN106208613A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208599A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208600A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| WO2017211070A1 (en) * | 2016-06-06 | 2017-12-14 | 歌尔股份有限公司 | Linear vibration motor |
| CN107847975A (en) * | 2015-07-29 | 2018-03-27 | 日本电产科宝株式会社 | Linear vibration motor and the mobile electronic device including the linear vibration motor |
| CN107847976A (en) * | 2015-08-07 | 2018-03-27 | 日本电产科宝株式会社 | Linear vibration motor and the mobile electronic device including the linear vibration motor |
| CN109039007A (en) * | 2018-09-03 | 2018-12-18 | 北京航空航天大学 | The microvibration-preventing flexibility micro-displacement of magnetic fluid driving adjusts platform |
| WO2019029051A1 (en) * | 2017-08-11 | 2019-02-14 | 歌尔股份有限公司 | Linear vibration motor |
-
2013
- 2013-08-12 CN CN 201320490022 patent/CN203368282U/en not_active Expired - Lifetime
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825421A (en) * | 2014-03-06 | 2014-05-28 | 三星高新电机（天津）有限公司 | Sponge-positioned magnet type linear vibration motor |
| CN107847975B (en) * | 2015-07-29 | 2020-01-17 | 日本电产科宝株式会社 | Linear vibration motor and mobile electronic device including the same |
| CN107847975A (en) * | 2015-07-29 | 2018-03-27 | 日本电产科宝株式会社 | Linear vibration motor and the mobile electronic device including the linear vibration motor |
| CN107847976A (en) * | 2015-08-07 | 2018-03-27 | 日本电产科宝株式会社 | Linear vibration motor and the mobile electronic device including the linear vibration motor |
| WO2017211070A1 (en) * | 2016-06-06 | 2017-12-14 | 歌尔股份有限公司 | Linear vibration motor |
| US11025146B2 (en) | 2016-06-06 | 2021-06-01 | Goertek Inc. | Linear vibration motor having elastic pieces provided with vibration arms |
| CN106208599A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208600A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208613A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208613B (en) * | 2016-07-21 | 2018-09-21 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208600B (en) * | 2016-07-21 | 2018-09-21 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN106208601B (en) * | 2016-07-21 | 2018-10-16 | 瑞声科技(新加坡)有限公司 | Linear electric machine |
| CN106208601A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear electric machine |
| CN106208596A (en) * | 2016-07-21 | 2016-12-07 | 瑞声科技(新加坡)有限公司 | Linear electric machine |
| WO2019029051A1 (en) * | 2017-08-11 | 2019-02-14 | 歌尔股份有限公司 | Linear vibration motor |
| CN109039007A (en) * | 2018-09-03 | 2018-12-18 | 北京航空航天大学 | The microvibration-preventing flexibility micro-displacement of magnetic fluid driving adjusts platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
|
| CX01 | Expiry of patent term |