CN202737719U - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
- Publication number
- CN202737719U CN202737719U CN 201220372280 CN201220372280U CN202737719U CN 202737719 U CN202737719 U CN 202737719U CN 201220372280 CN201220372280 CN 201220372280 CN 201220372280 U CN201220372280 U CN 201220372280U CN 202737719 U CN202737719 U CN 202737719U
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- CN
- China
- Prior art keywords
- electric motor
- linear vibration
- vibration unit
- locating part
- vibration electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 7
- 229920000965 Duroplast Polymers 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
Provided is a linear vibration motor which relates to the technical field of vibration motors. The linear vibration motor comprises a peripheral framework composed of a pedestal and a cover body, wherein the inside of the peripheral framework is provided with a driving unit and a vibration unit which are positioned on the same plane and are disposed relative to each other; the driving unit is fixed to the peripheral framework; the vibration unit are suspended in the peripheral framework through elastic supporting members; a gap is arranged between the vibration unit and the driving unit; and the inside of the gap is provided with non-magnetic limiting parts for preventing the vibration unit from having overlarge amplitude. Compared with conventional linear vibration motors, the provided linear vibration motor can effectively prevent the vibration unit from having overlarge amplitude, and thus the elastic supporting members are protected against deformation and strain caused by the overlarge amplitude of the vibration unit, the working performance is stable, and the service life is long.
Description
Technical field
The utility model relates to the vibrating motor technical field, particularly a kind of linear vibration electric motor.
Background technology
Linear vibration electric motor is to utilize electromagnetic force with resonance frequency and vibrative, because that it has quality is light, the advantage that volume is little so recently be used in the mobile phone prompting owner's incoming call and note etc. when finishing mute state of mobile phone more.At present, mostly the structure of employed linear vibration electric motor is to be provided with driver element and the vibration unit that is oppositely arranged in housing, vibration unit is suspended in the housing by elastic supporting member for supporting optical member, is provided with the gap of reserving for the vibration unit vibration between vibration unit and the driver element.Because the gap of reserving is larger, when owner adversary's organizational security pipe improper and so that mobile phone when falling, the vibration unit that is installed in the linear vibration electric motor of interior of mobile phone easily bumps with vibration unit element on every side, when vibration unit and when the free space between the element is excessive on every side, the amplitude of vibration unit motion is also larger, thereby the impulsive force that causes elastic supporting member for supporting optical member to be subject to is excessive, so that elastic supporting member for supporting optical member deforms or strains.The impaired meeting of elastic supporting member for supporting optical member affect the resonance frequency of linear vibration electric motor, causes the hydraulic performance decline of linear vibration electric motor, and shorten useful life.
The utility model content
The utility model purpose is in order to overcome above-mentioned deficiency; a kind of linear vibration electric motor is provided; this linear vibration electric motor can prevent effectively that the vibration unit amplitude is excessive; thereby the protection elastic supporting member for supporting optical member can not deform because the vibration unit amplitude is excessive and strain, and has guaranteed the stable work in work of linear vibration electric motor.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of linear vibration electric motor, comprise the peripheral frame that is formed by base and lid, described peripheral frame inside is provided with and is positioned at same plane and the driver element that is oppositely arranged and vibration unit, described driver element is fixed on the described peripheral frame, described vibration unit is suspended in the described peripheral frame by elastic supporting member for supporting optical member, be provided with the gap between described vibration unit and the described driver element, be provided with in the described gap be used to the non-magnetic locating part that prevents that described vibration unit amplitude is excessive.
As a kind of improvement, described driver element comprises the iron core that is fixed on the described base, and the outer ring of described iron core is arranged with coil.
As further improvement, described vibration unit comprises while and described two masses that elastic supporting member for supporting optical member is connected, and described mass connects permanent magnet.
As further improvement, described locating part is installed on the described coil.
As further improvement, described locating part is installed on the described permanent magnet.
As further improvement, described locating part is provided with two, and described two locating parts are installed on respectively on described coil and the described permanent magnet.
As further improvement, described elastic supporting member for supporting optical member comprises the convergence part that connects as one with described base, and described convergence part is connected with bending part, and described bending part is connected with connecting portion, described connecting portion is connected with fixed part, and described fixed part is fixedly connected with described mass.
As further improvement, described locating part is duroplasts locating part or non-magnetic metal spacing spare.
The beneficial effects of the utility model are: owing to driver element and the vibration unit that is oppositely arranged that comprise of linear vibration electric motor described in the utility model, vibration unit is suspended in the peripheral frame by two elastic supporting member for supporting optical member, and is provided with locating part between driver element and the vibration unit; Locating part has reduced the gap between driver element and the vibration unit; when falling, linear vibration electric motor effectively reduced the amplitude of vibration unit; and then reduced elastic supporting member for supporting optical member suffered impulsive force when vibration unit vibrates; effectively protect elastic supporting member for supporting optical member; elastic supporting member for supporting optical member can not deformed because the vibration unit amplitude is excessive and strain; the resonance frequency that has guaranteed linear vibration electric motor is stable; and then the stable work in work of linear vibration electric motor, the long service life that has prolonged linear vibration electric motor have been guaranteed.
Because locating part is duroplasts locating part or non-magnetic metal spacing spare, the locating part of non-magnet material can prevent locating part and permanent magnet or the effect of iron core generation magnetic conduction, thereby disturb the normal operation of linear vibration electric motor, therefore adopt the locating part of non-magnet material further to improve the job stability of linear vibration electric motor.
In sum; linear vibration electric motor described in the utility model is compared with existing linear vibration electric motor: can prevent effectively that the vibration unit amplitude is excessive; thereby the protection elastic supporting member for supporting optical member can not deform because the vibration unit amplitude is excessive and strain stable work in work, long service life.
Description of drawings
Fig. 1 is exploded perspective structural representation of the present utility model;
Fig. 2 is the internal structure schematic diagram of the utility model embodiment one;
Fig. 3 is the internal structure schematic diagram of the utility model embodiment two;
Fig. 4 is the internal structure schematic diagram of the utility model embodiment three;
Among the figure: 1, base, 2, lid, 3, wiring board, 4, driver element, 40, iron core, 41, coil, 42, fixture, 5, vibration unit, 50, permanent magnet, 51, magnetic conductor, 52, mass, 6, elastic supporting member for supporting optical member, 60, convergence part, 61, bending part, 62, connecting portion, 63, fixed part, 7, locating part.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Embodiment one:
Shown in Fig. 1 and Fig. 2 are common, a kind of linear vibration electric motor, comprise the peripheral frame that is formed by base 1 and lid 2, peripheral frame inside is provided with driver element 4 and the vibration unit 5 that is positioned at same plane and is oppositely arranged, driver element 4 is fixed on the peripheral frame, vibration unit 5 is put in peripheral frame by elastic supporting member for supporting optical member outstanding 6, is provided with the gap between vibration unit 5 and the driver element 4, is provided with in the gap be used to the non-magnetic locating part 7 that prevents that vibration unit 5 amplitudes are excessive.That the structure of locating part 7 can adopt is tabular, bulk and strip etc., can get up to subtract closely spaced effect, and the utility model is preferably platy structure.Locating part 7 has reduced the gap between driver element 4 and the vibration unit 5; when falling, linear vibration electric motor effectively reduced the amplitude of vibration unit 5; and then reduced elastic supporting member for supporting optical member 6 suffered impulsive force when vibration unit 5 vibration; effectively protect elastic supporting member for supporting optical member 6; elastic supporting member for supporting optical member 6 can not deformed because vibration unit 5 amplitudes are excessive and strain; the resonance frequency that has guaranteed linear vibration electric motor is stable; and then the stable work in work of linear vibration electric motor, the long service life that has prolonged linear vibration electric motor have been guaranteed.
Driver element 4 comprises the iron core 40 that is fixed on the lid 2, and the outer ring of iron core 40 is arranged with coil 41, and the two ends of iron core 40 are fixed on the lid 2 by fixture 42, fixture 42 is U-shaped structures, U-shaped openend card is used the end of iron core 40, and U-shaped closed end is the plane, and is fixing with lid 2.
Vibration unit 5 comprises the mass 52 that is connected with two elastic supporting member for supporting optical member 6 simultaneously, and mass 52 strengthens the vibration sense of linear vibration electric motor for increasing the quality of vibration unit 5; Mass 52 connects magnetic conductor 51, and magnetic conductor 51 is used for magnetic conduction; Magnetic conductor 51 connects permanent magnet 50.
Locating part 7 is installed on the coil 41, the material of locating part 7 is duroplasts or non-magnetic metal material, the locating part 7 of this non-magnet material can prevent that locating part 7 and permanent magnet 50 or iron core 40 from the magnetic conduction effect occuring, thereby disturb the normal operation of linear vibration electric motor, therefore adopt the locating part of non-magnet material further to improve the job stability of linear vibration electric motor.
Elastic supporting member for supporting optical member 6 comprises the convergence part 60 that connects as one with base 1, and convergence part 60 is connected with U-shaped bending part 61, and bending part 61 is connected with connecting portion 62, and connecting portion 62 is connected with fixed part 63, fixed part 63 quality of connection pieces 52.Elastic supporting member for supporting optical member 6 is provided with two altogether, is symmetricly set on the base 1, and elastic supporting member for supporting optical member 6 is followed vibration unit 5 vibration-generatings in vibration unit 5 vibration processes.
The outside of lid 2 is provided with wiring board 3, and wiring board 3 is used for being electrically connected internal circuit and the external circuit of linear vibrating motor.
Embodiment two:
As shown in Figure 3, a kind of linear vibration electric motor, the structure of its structure and embodiment one is basic identical, and difference is that locating part 7 is installed on the permanent magnet 50.
Embodiment three:
As shown in Figure 4, a kind of linear vibration electric motor, the structure of its structure and embodiment one is basic identical, and difference is that locating part 7 is provided with two, and one of them is installed on the coil 41, and another is installed on the permanent magnet 50.
Operation principle of the present utility model: after coil 41 is connected the signal of telecommunication by wiring board 3, iron core presents certain polarity, permanent magnet 50 magnetizes along the horizontal direction parallel with wiring board 3, perpendicular direction and polarity that the direction that magnetizes and iron core 40 extend are constant, iron core 40 changes with the changed polarity of the signal of telecommunication, and interactional attraction and repulsive force have been produced between the permanent magnet 50, because iron core 40 has been fixed on the lid 2, thereby so that permanent magnet 50 drives whole vibration unit 5 reciprocating motions under the supporting role of elastic supporting member for supporting optical member 6, and then realize vibrating function.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done all drop within the protection range of the present utility model.
Claims (8)
1. linear vibration electric motor, comprise the peripheral frame that is formed by base and lid, described peripheral frame inside is provided with and is positioned at same plane and the driver element that is oppositely arranged and vibration unit, described driver element is fixed on the described peripheral frame, described vibration unit is suspended in the described peripheral frame by elastic supporting member for supporting optical member, be provided with the gap between described vibration unit and the described driver element, it is characterized in that: be provided with in the described gap be used to the non-magnetic locating part that prevents that described vibration unit amplitude is excessive.
2. linear vibration electric motor according to claim 1, it is characterized in that: described driver element comprises the iron core that is fixed on the described base, the outer ring of described iron core is arranged with coil.
3. linear vibration electric motor according to claim 2 is characterized in that: described vibration unit comprises simultaneously and described two masses that elastic supporting member for supporting optical member is connected, described mass connection permanent magnet.
4. linear vibration electric motor according to claim 3, it is characterized in that: described locating part is installed on the described coil.
5. linear vibration electric motor according to claim 3, it is characterized in that: described locating part is installed on the described permanent magnet.
6. linear vibration electric motor according to claim 3, it is characterized in that: described locating part is provided with two, and described two locating parts are installed on respectively on described coil and the described permanent magnet.
7. linear vibration electric motor according to claim 3, it is characterized in that: described elastic supporting member for supporting optical member comprises the convergence part that connects as one with described base, described convergence part is connected with bending part, described bending part is connected with connecting portion, described connecting portion is connected with fixed part, and described fixed part is fixedly connected with described mass.
8. linear vibration electric motor according to claim 1, it is characterized in that: described locating part is duroplasts locating part or non-magnetic metal spacing spare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372280 CN202737719U (en) | 2012-07-30 | 2012-07-30 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372280 CN202737719U (en) | 2012-07-30 | 2012-07-30 | Linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737719U true CN202737719U (en) | 2013-02-13 |
Family
ID=47663378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220372280 Expired - Lifetime CN202737719U (en) | 2012-07-30 | 2012-07-30 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737719U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323915A (en) * | 2018-03-30 | 2019-10-11 | 日本电产三协株式会社 | Actuator |
| CN111355354A (en) * | 2018-12-20 | 2020-06-30 | 日本电产三协株式会社 | Actuator |
| WO2021128172A1 (en) * | 2019-12-26 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear motor |
-
2012
- 2012-07-30 CN CN 201220372280 patent/CN202737719U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323915A (en) * | 2018-03-30 | 2019-10-11 | 日本电产三协株式会社 | Actuator |
| US11108296B2 (en) | 2018-03-30 | 2021-08-31 | Nidec Sankyo Corporation | Actuator |
| CN110323915B (en) * | 2018-03-30 | 2022-03-22 | 日本电产三协株式会社 | Actuator |
| CN111355354A (en) * | 2018-12-20 | 2020-06-30 | 日本电产三协株式会社 | Actuator |
| CN111355354B (en) * | 2018-12-20 | 2023-03-10 | 日本电产三协株式会社 | Actuator |
| WO2021128172A1 (en) * | 2019-12-26 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Linear motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |