CN204947869U - Squared line vibrating motor - Google Patents
Squared line vibrating motor Download PDFInfo
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- CN204947869U CN204947869U CN201520761065.8U CN201520761065U CN204947869U CN 204947869 U CN204947869 U CN 204947869U CN 201520761065 U CN201520761065 U CN 201520761065U CN 204947869 U CN204947869 U CN 204947869U
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- elastic support
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- permanent magnet
- magnetic conductive
- conductive board
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Abstract
The utility model discloses a kind of squared line vibrating motor, comprise FPCB plate, base, coil, magnetic conductive board and elastic support, drawing shell, vibrating mass, permanent magnet I, permanent magnet II, drawing shell covers in the periphery of base, FPCB plate is fixed on the inner surface of base, permanent magnet I, permanent magnet II is set with and forms oscillator in vibrating mass, magnetic conductive board and elastic support are integrated part, elastic support is cuboid-type, its two ends are elastic support, centre is magnetic conductive board, be fixing limiting section in the middle of elastic support and magnetic conductive board, oscillator is crimped in elastic support by fixing limiting section and forms straight line back and forth movement unit, do not need the mode adopting welding, avoid the elastic support distortion because welding heating causes, lost efficacy.Base, drawing shell are integral piece with corresponding positive stop, avoid the distortion because welding causes, position inaccuracy.In addition, FPCB plate is provided with IC chip direct voltage being converted to ac pulse voltage.
Description
Technical field
The utility model relates to a kind of linear vibration motor, particularly relates to a kind of squared line vibrating motor.
Background technology
Along with the raising that life requires, the electronic products such as mobile phone become the necessity in people's life, and popularity rate is more and more higher.Meanwhile, the requirement of people to this electronic product is also more and more higher, especially more and more higher to the requirement of energy-conservation, reliability and being quick on the draw property, and as required, mobile phone vibrating function reacts sensitiveer, and power consumption is few.Traditional rotation motor is difficult to meet this demand, and the linear motor advantages such as to have reaction sensitivity high, and power consumption is few, therefore the prospect of the application of linear motor is boundless.But the connected mode adopting welding between each inner member in existing linear motor more, as between magnetic conductive board and flexure strip, between oscillator and elastic support, and welding often causes corresponding parts to occur that distortion even can cause losing efficacy because of welding heating, affect the performance of linear vibration motor, be unfavorable for the popularization of linear motor.
Utility model content
The purpose of this utility model is the squared line vibrating motor providing a kind of elastic support and magnetic conductive board to be integrated part, avoids the distortion because welding heating causes, inefficacy.
The utility model discloses a kind of squared line vibrating motor, it comprises FPCB plate, base, coil (4), magnetic conductive board, elastic support, drawing shell, vibrating mass, permanent magnet I, permanent magnet II, drawing shell covers in the periphery of base, FPCB plate is fixed on the inner surface of base, permanent magnet I, permanent magnet II is set with and forms oscillator in vibrating mass, described magnetic conductive board and elastic support are integrated part, integral piece is cuboid-type, its two ends are elastic support, centre is magnetic conductive board, be fixing limiting section in the middle of elastic support and magnetic conductive board, described oscillator is crimped in elastic support by fixing limiting section and forms straight line back and forth movement unit.
Described FPCB plate is provided with IC chip direct voltage being converted to ac pulse voltage.
Cuboid-type symmetrical centered by described integral piece, its end face opening, its length direction two ends to center is followed successively by the U-shaped elastic support of interior side opening, fixing limiting section and magnetic conductive board.
Inner surface curls inward outside described straight line back and forth movement unit two ends of described base is shaped two positive stops I, and base and two positive stops I are integrated part.
The corresponding described positive stop I position curls inward of the inner surface of described drawing shell is shaped two positive stops II, and drawing shell and two positive stops II are integrated part.
Described integral piece length direction is riveted respectively in elastic support pair of sidewalls positioned fastener, and the two ends of positioned fastener are connected with base and drawing shell respectively by location hole.
The disposed inboard limited location noise abatement block of described base upper limit block.
The utility model, by elastic support and magnetic conductive board are set to integral piece, removably connect between elastic support and oscillator simultaneously and is integrated, form straight line back and forth movement unit, avoid bring because of welding in prior art distortion, inefficacy.
In order to improve reliability of the present utility model, the upper surface of base and the lower surface of drawing shell are all provided with the positive stop of convex in relevant position, the Integral design of base and two positive stops I and the Integral design of drawing shell and two positive stops II, avoid the positive stop distortion and spacing inaccuracy of welding and bringing, further enhancing accuracy and the reliability of motor.Positive stop inner surface on base is furnished with spacing noise abatement block, thus reduces the noise of motor.
The utility model in use, convert the direct voltage of input to ac pulse voltage by IC chip and be supplied to coil, coil is made to produce alternating magnetic field, thus making left and right between permanent magnet and coil occur repulsive force and the attraction of alternation, the vibration unit that permanent magnet, vibrating mass are formed under the repulsive force of alternation and the effect of attraction drives the common side-to-side vibrations in resiliency supported portion of elastic support.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is longitudinal section of the present utility model cross-sectional schematic.
Fig. 3 is the three-dimensional enlarged diagram of Fig. 2 Elastic support.
Fig. 4 is the three-dimensional enlarged diagram of Fig. 2 cathetus back and forth movement unit.
Fig. 5 is the three-dimensional enlarged diagram of base in Fig. 2.
Fig. 6 is the three-dimensional enlarged diagram of drawing shell in Fig. 2.
Embodiment
As Figure 1-4, the utility model discloses a kind of squared line vibrating motor, comprise IC chip (1), FPCB plate (2), base (3), coil (4), magnetic conductive board (5b) and elastic support (5e) integral piece (5), drawing shell (6), vibrating mass (7), permanent magnet I (8), permanent magnet II (9), positioned fastener (10) and spacing noise abatement block (11).Wherein symmetrical centered by integral piece (5) cuboid-type, its length direction two ends to center is followed successively by the U-shaped elastic support (5e) of interior side opening, limiting section (5a) and magnetic conductive board (5b) are fixed in open top, and oscillator is crimped in elastic support (5e) by fixing limiting section (5a) and forms straight line back and forth movement unit.The concave section that simultaneously drawing shell (6) covers in base (3) forms the cavity holding straight line back and forth movement unit.Straight line back and forth movement unit is connected as one by positioned fastener (10) and drawing shell (6), is assembled into rotor assembly.
IC chip (1) adopts paster mode to be fixed on drawing shell (6) FPCB plate (2) place outward, and be connected with respective lines, two coils (4) are fixed on FPCB plate (2) relevant position with glue, and the two ends of coil (4) lead-in wire is connected with FPCB plate (2) respective lines by spot welding mode.Then the FPCB board component glue containing IC chip (1), FPCB plate (2), coil (4) is fixed on the stator module that the upper composition of base (3) has IC chip (1), FPCB plate (2), coil (4) and base (3).
Rotor assembly and stator module are fitted together by the location hole on base (3), adopt spot welding mode to form linear motor.
When left side permanent magnet I (8) lower end is S pole, middle permanent magnet II (9) lower end is N pole, permanent magnet I (8) lower end, right side is S pole, and the clockwise coiling of left side coil (4), the situation of coiling that right side coil (4) is counterclockwise, as first output pulse starts as positive pole, then the upper end, magnetic field that the coil (4) in left side produces is N pole, and the upper end, magnetic field that the coil (4) on right side produces is S pole.Produce attraction between the coil (4) in left side and the permanent magnet I (8) in left side, and produce repulsive force between the permanent magnet II (9) of centre; Produce repulsive force between the coil (4) on right side and the permanent magnet I (8) on right side, and produce attraction between the permanent magnet II (9) of centre, straight line back and forth movement unit is moved to the left under the effect of these power; Negative pulse voltage is converted into after half pulse period, the upper end, magnetic field that then coil (4) in left side produces is S pole, the upper end, magnetic field that right side coil (4) produces is N pole, produce repulsive force between left side coil (4) and the permanent magnet I (8) in left side, and produce attraction between the permanent magnet II (9) of centre; Produce attraction between right side coil (4) and the permanent magnet I (8) on right side, and produce repulsive force between the permanent magnet II (9) of centre, straight line back and forth movement unit moves right under the effect of these power.IC chip (1) supply coil (4) ac pulse voltage, coil (4) end is made to produce alternating magnetic field, left and right coil (4) respectively and permanent magnet I (8), alternation produces attraction, repulsive force between permanent magnet II (9), and straight line back and forth movement unit does left and right back and forth movement under the effect of these power.Under the repulsive force of alternation and the effect of attraction, the vibration unit that permanent magnet, vibrating mass are formed constantly carries out the left and right back and forth movement accelerating, slow down, and drives the common side-to-side vibrations in the resiliency supported portion (5d) of elastic support.Motion principle, the process of other similar arranged crosswise modes of permanent magnet and coil are identical.
Claims (7)
1. a squared line vibrating motor, it comprises FPCB plate (2), base (3), coil (4), magnetic conductive board (5b), elastic support (5e), drawing shell (6), vibrating mass (7), permanent magnet I (8), permanent magnet II (9), drawing shell (6) covers in the periphery of base (3), FPCB plate (2) is fixed on the inner surface of base (3), permanent magnet I (8), permanent magnet II (9) is set with and forms oscillator in vibrating mass (7), it is characterized in that: described magnetic conductive board (5b) and elastic support (5e) are integrated part (5), integral piece (5) is cuboid-type, its two ends are elastic support (5e), centre is magnetic conductive board (5b), be fixing limiting section (5a) in the middle of elastic support (5e) and magnetic conductive board (5b), described oscillator is crimped in elastic support (5e) by fixing limiting section (5a) and forms straight line back and forth movement unit.
2. squared line vibrating motor according to claim 1, is characterized in that: described FPCB plate (2) is provided with the IC chip (1) direct voltage being converted to ac pulse voltage.
3. squared line vibrating motor according to claim 1, it is characterized in that: cuboid-type symmetrical centered by described integral piece (5), its end face opening, its length direction two ends to center is followed successively by the U-shaped elastic support (5e) of interior side opening, fixing limiting section (5a) and magnetic conductive board (5b).
4. squared line vibrating motor according to claim 1, it is characterized in that: inner surface curls inward outside described straight line back and forth movement unit two ends of described base (3) is shaped two positive stops I (3a), and base (3) and two positive stops I (3a) are integrated part.
5. squared line vibrating motor according to claim 4, it is characterized in that: corresponding described positive stop I (3a) the position curls inward of the inner surface of described drawing shell (6) is shaped two positive stops II (6a), and drawing shell (6) and two positive stops II (6a) are integrated part.
6. squared line vibrating motor according to claim 3, it is characterized in that: described integral piece (5) length direction is riveted respectively in elastic support (5e) pair of sidewalls positioned fastener (10), and the two ends of positioned fastener (10) are connected with base (3) and drawing shell (6) respectively by location hole.
7. squared line vibrating motor according to claim 4, is characterized in that: disposed inboard limited location noise abatement block (11) of described base (3) upper limit block I (3a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520761065.8U CN204947869U (en) | 2015-09-29 | 2015-09-29 | Squared line vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520761065.8U CN204947869U (en) | 2015-09-29 | 2015-09-29 | Squared line vibrating motor |
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| Publication Number | Publication Date |
|---|---|
| CN204947869U true CN204947869U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520761065.8U Active CN204947869U (en) | 2015-09-29 | 2015-09-29 | Squared line vibrating motor |
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| CN (1) | CN204947869U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130302A (en) * | 2016-07-20 | 2016-11-16 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| WO2023020450A1 (en) * | 2021-08-16 | 2023-02-23 | 歌尔股份有限公司 | Linear vibration motor |
-
2015
- 2015-09-29 CN CN201520761065.8U patent/CN204947869U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130302A (en) * | 2016-07-20 | 2016-11-16 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| WO2023020450A1 (en) * | 2021-08-16 | 2023-02-23 | 歌尔股份有限公司 | Linear vibration motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190130 Address after: 515000 Third Floor of a Production Plant of Laimei Industrial Zone Superpower Motor Co., Ltd., Chenghai District, Shantou City, Guangdong Province Patentee after: Guangdong double woo Drive Technology Co., Ltd. Address before: 410001 No. 1205, 2 Chuangyuan Garden, Academy Road, Tianxin District, Changsha City, Hunan Province Co-patentee before: Gao Wenlong Patentee before: Gao Yu |