CN202737718U - Linear vibration motor - Google Patents
Linear vibration motor Download PDFInfo
- Publication number
- CN202737718U CN202737718U CN 201220372279 CN201220372279U CN202737718U CN 202737718 U CN202737718 U CN 202737718U CN 201220372279 CN201220372279 CN 201220372279 CN 201220372279 U CN201220372279 U CN 201220372279U CN 202737718 U CN202737718 U CN 202737718U
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- China
- Prior art keywords
- linear vibration
- elastic supporting
- electric motor
- optical member
- stiffener
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Abstract
Provided is a linear vibration motor relating 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 relative to each other; the driving unit is fixed to the peripheral framework; and the vibration unit are suspended in the peripheral framework through elastic supporting members. The linear vibration motor is characterized by further comprising a strengthening member which is connected with the elastic supporting members, wherein the strengthening member s positioned one the outer side of the connection position where the elastic supporting members and the vibration unit are connected. According to the linear vibration motor, compared with conventional linear vibration motors, the intensity of the elastic supporting members is enhanced, the working performance is stable and the service life is long, the resonance frequency of the linear vibration motor can be adjusted very conveniently, and thus the linear vibration motor can meet requirements of vibration performance from products of different specification.
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, and vibration unit is suspended in the housing by elastic supporting member for supporting optical member, and a side of vibration unit is connected with elastic supporting member for supporting optical member by modes such as welding.When linear vibration electric motor fell, elastic supporting member for supporting optical member easily deformed or ruptures from solder joint, and the impaired resonance frequency that can affect linear vibration electric motor of elastic supporting member for supporting optical member causes the hydraulic performance decline of linear vibration electric motor, shortening in useful life; And the resonance frequency of existing linear vibration electric motor is not easy to regulate, and is difficult to satisfy the desired vibration performance of product of different size.
The utility model content
The utility model purpose is in order to overcome above-mentioned deficiency, a kind of linear vibration electric motor to be provided, and this linear vibration electric motor can prevent effectively that elastic supporting member for supporting optical member from deforming or rupture from solder joint, thereby 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, it is characterized in that: described linear vibration electric motor also comprises the stiffener that is connected with described elastic supporting member for supporting optical member, and described stiffener is positioned at the outside of described elastic supporting member for supporting optical member and described vibration unit connecting portion.
As a kind of 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 vibration unit.
As further improvement, the two ends of described stiffener are equipped with the extension that is connected with described fixed part.
As further improvement, described stiffener comprises the clamping part with described vibration unit secure bond, and the both sides of described clamping part are equipped with the extension that is connected with described fixed part.
As further improvement, described stiffener comprises the clamping part with described vibration unit secure bond, and a side of described clamping part is provided with the extension that is connected with described fixed part; Described stiffener is provided with two, is symmetrical arranged.
As further improvement, described extension stretches out described fixed part.
The beneficial effects of the utility model are: because linear vibration electric motor described in the utility model comprises driver element and the vibration unit that is oppositely arranged, vibration unit is suspended in the peripheral frame by elastic supporting member for supporting optical member, and linear vibration electric motor also comprises the stiffener that is connected with elastic supporting member for supporting optical member, and stiffener is arranged at the outside of elastic supporting member for supporting optical member and vibration unit weld.Stiffener has strengthened elastic supporting member for supporting optical member intensity herein, has prevented that elastic supporting member for supporting optical member from deforming and phenomenon of rupture at the solder joint place; And stiffener has also increased elastic supporting member for supporting optical member perpendicular to the intensity on the direction of vibration of vibration unit, can prevent that elastic supporting member for supporting optical member from deforming 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 stiffener is provided with the extension that is connected with the fixed part of elastic supporting member for supporting optical member; In the intensity that has strengthened elastic supporting member for supporting optical member, can be by changing the length of extension, the position that perhaps changes fixed part and extension tie point changes the coefficient of elasticity of elastic supporting member for supporting optical member, because the coefficient of elasticity of elastic supporting member for supporting optical member can determine the resonance frequency of linear vibration electric motor, therefore by changing the length of extension, or the position that changes the tie point of fixed part and extension just can change the resonance frequency of linear vibration electric motor, thereby satisfies the vibration performance of products of different specifications.
Because stiffener comprises the clamping part that is connected with vibration unit; Can further strengthen elastic supporting member for supporting optical member in the intensity at solder joint place, guarantee that elastic supporting member for supporting optical member can not deform or rupture at the solder joint place.
Because extension stretches out fixed part; the length of Length Ratio fixed part that is extension is long; when linear vibration electric motor when the direction of vibration of vibration unit is subject to impacting, the housing of linear vibration electric motor can at first impact stiffener, thereby has protected elastic supporting member for supporting optical member not damaged.
In sum, linear vibration electric motor described in the utility model is compared with existing linear vibration electric motor: strengthened the intensity of elastic supporting member for supporting optical member, stable work in work, long service life; And the resonance frequency of linear adjustment vibrating motor can satisfy products of different specifications to the requirement of vibration performance very easily.
Description of drawings
Fig. 1 is the exploded perspective structural representation of the utility model embodiment one;
Fig. 2 is the exploded perspective structural representation of the utility model embodiment two;
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;
Fig. 5 is the exploded perspective structural representation 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, the convergence part, 61, bending part, 62, connecting portion, 63, fixed part, 7, stiffener, 70, clamping part, 71, extension.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Embodiment one:
As shown in Figure 1, 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 described peripheral frame, vibration unit 5 is suspended in the described peripheral frame by elastic supporting member for supporting optical member 6, and linear vibration electric motor also comprises the stiffener 7 that is connected with two elastic supporting member for supporting optical member 6, and stiffener 7 is positioned at the outside of two elastic supporting member for supporting optical member 6 and vibration unit 5 connecting portions.The material of stiffener 7 can be identical with the material of elastic supporting member for supporting optical member 6, also can be different, and stiffener 7 can cover the connection welding of elastic supporting member for supporting optical member 6 and vibration unit 5, and was fixedly connected with elastic supporting member for supporting optical member 6.Strengthened elastic supporting member for supporting optical member 6 intensity herein, prevented that effectively elastic supporting member for supporting optical member 6 from deforming and phenomenon of rupture at the solder joint place; And stiffener 7 has also increased elastic supporting member for supporting optical member 6 perpendicular to the intensity on vibration unit 5 direction of vibration, can prevent that elastic supporting member for supporting optical member 6 from deforming 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.
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 two ends of stiffener 7 are equipped with the extension 71 that is connected with fixed part 63, and extension 71 can cover the connection welding of fixed part 63 and mass 52, and extension 71 is combined as a whole by mode and the fixed part 63 of welding or glue bond.In the intensity that has strengthened elastic supporting member for supporting optical member 6, can also be by changing the length of extension 71, the position that perhaps changes fixed part 63 and extension 71 tie points changes the coefficient of elasticity of elastic supporting member for supporting optical member 6, because the coefficient of elasticity of elastic supporting member for supporting optical member 6 can determine the resonance frequency of linear vibration electric motor, therefore by changing the length of extension 71, or the position that changes fixed part 63 and the tie point of extension 71 just can change the resonance frequency of linear vibration electric motor, thereby satisfies the vibration performance of products of different specifications.
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:
Shown in Fig. 2 and Fig. 3 are common, a kind of linear vibration electric motor, the structure of its structure and embodiment one is basic identical, and difference is that stiffener 7 comprises and the clamping part 70 of vibration unit 5 secure bond, and the both sides of clamping part 70 are equipped with the extension 71 that is connected with fixed part 63.Clamping part 70 is fixedly connected with the mass 52 of vibration unit 5, and mass 52 is provided with the groove suitable with clamping part 71, in clamping part 71 groove with clamping part 71 fixing by the mode of welding or glue bond.Can further strengthen elastic supporting member for supporting optical member 6 in the intensity at solder joint place, guarantee that elastic supporting member for supporting optical member 6 can not deform or rupture at the solder joint place.
Embodiment three:
Shown in Fig. 4 and Fig. 5 are common, a kind of linear vibration electric motor, the structure of its structure and embodiment one is basic identical, and difference is that stiffener 7 comprises and the clamping part 70 of vibration unit 5 secure bond, and a side of clamping part 70 is provided with the extension 71 that is connected with fixed part 63; Stiffener 7 is provided with two, is symmetrical arranged.Clamping part 70 is fixedly connected with the mass 52 of vibration unit 5, the two ends of mass 52 respectively be provided with one with the suitable groove of clamping part 71, clamping part 71 by welding or gluing mode in conjunction with the groove of clamping part 71 in.Can further strengthen elastic supporting member for supporting optical member 6 in the intensity at solder joint place, guarantee that elastic supporting member for supporting optical member 6 can not deform or rupture at the solder joint place.
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 (6)
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, it is characterized in that: described linear vibration electric motor also comprises the stiffener that is connected with described elastic supporting member for supporting optical member, and described stiffener is positioned at the outside of described elastic supporting member for supporting optical member and described vibration unit connecting portion.
2. linear vibration electric motor according to claim 1, 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 vibration unit.
3. linear vibration electric motor according to claim 2, it is characterized in that: the two ends of described stiffener are equipped with the extension that is connected with described fixed part.
4. linear vibration electric motor according to claim 2, it is characterized in that: described stiffener comprises the clamping part with described vibration unit secure bond, the both sides of described clamping part are equipped with the extension that is connected with described fixed part.
5. linear vibration electric motor according to claim 2, it is characterized in that: described stiffener comprises the clamping part with described vibration unit secure bond, a side of described clamping part is provided with the extension that is connected with described fixed part; Described stiffener is provided with two, is symmetrical arranged.
6. according to claim 3 to 5 each described linear vibration electric motors, it is characterized in that: described extension stretches out described fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372279 CN202737718U (en) | 2012-07-30 | 2012-07-30 | Linear vibration motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372279 CN202737718U (en) | 2012-07-30 | 2012-07-30 | Linear vibration motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737718U true CN202737718U (en) | 2013-02-13 |
Family
ID=47663377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220372279 Expired - Lifetime CN202737718U (en) | 2012-07-30 | 2012-07-30 | Linear vibration motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737718U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105978288A (en) * | 2016-06-14 | 2016-09-28 | 瑞声声学科技(常州)有限公司 | Linear motor system |
| CN106059240A (en) * | 2016-06-01 | 2016-10-26 | 歌尔股份有限公司 | Elastic sheet assembly for vibration motors and linear vibration motor |
-
2012
- 2012-07-30 CN CN 201220372279 patent/CN202737718U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059240A (en) * | 2016-06-01 | 2016-10-26 | 歌尔股份有限公司 | Elastic sheet assembly for vibration motors and linear vibration motor |
| CN105978288A (en) * | 2016-06-14 | 2016-09-28 | 瑞声声学科技(常州)有限公司 | Linear motor system |
| CN105978288B (en) * | 2016-06-14 | 2018-09-07 | 瑞声声学科技(常州)有限公司 | Linear motor system |
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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 |