CN205178822U - Linear vibrating motor - Google Patents
Linear vibrating motor Download PDFInfo
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- CN205178822U CN205178822U CN201520978067.2U CN201520978067U CN205178822U CN 205178822 U CN205178822 U CN 205178822U CN 201520978067 U CN201520978067 U CN 201520978067U CN 205178822 U CN205178822 U CN 205178822U
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- iron core
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- linear vibration
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Abstract
The utility model relates to an electron product technology field provides a linear vibrating motor, include the motor casing and fix at the inside circuit board of motor casing, the inside suspension of motor casing has vibrating mass, vibrating mass includes the iron core, the iron core nestification is in the coil inner chamber, the coil is installed on the circuit board, the quality piece is installed respectively at the iron core both ends, the other end of quality piece passes through elastic support elements to be fixed on the inner wall of motor casing, the periphery of quality piece is equipped with the guide rail magnet of fixing on motor casing inside, the realization is to the system vibration back donation of electronic product, and simultaneously, the iron core magnetizes when the coil is switched on, produce magnetic force with guide rail magnet, a drive power of it is great is provided, satisfy the requirement of user's vibration feedback experience.
Description
Technical field
The utility model belongs to technical field of electronic products, particularly relates to a kind of linear vibration motor.
Background technology
At present, portable consumer electronics product develops rapidly, and consumer more and more favors more lightening and has the electronic product of better tactile experience.Motor is generally used as the actuator of tactile experience, plays the effect of system vibration feedback.The better lightening developing direction of electronic product determines elastic supporting member for supporting optical member and also must improve to gauge flat direction.Most motor realizes overall vibration by elastic supporting member for supporting optical member, more commonly adopts the form of spring or shell fragment in elastic supporting member for supporting optical member, and the elastic supporting member for supporting optical member that should exist with spring or shell fragment form mainly designs based on the space of motor internal.
In current motor configuration, the setting position of magnet and coil is: magnet is positioned at the top of coil, and after coil electricity, its actuating force produced by the magnet of magnetic field versus in top is relatively little, does not meet the experience of user.
Utility model content
The purpose of this utility model is to provide a kind of linear vibration motor, be intended to solve magnet in prior art and be positioned at the top of coil, after coil electricity, its actuating force produced by the magnet of magnetic field versus in top is relatively little, does not meet the problem of the experience of user.
The utility model realizes like this, a kind of linear vibration motor, comprise motor shell and the wiring board being fixed on described motor shell inside, described motor shell inside suspension has vibrating mass, described vibrating mass comprises iron core, described iron core is nested in coil inner chamber, described coil is arranged on described wiring board, described iron core two ends are separately installed with mass, the other end of described mass direction of vibration is fixed on by elastic supporting member for supporting optical member on the inwall of described motor shell, and the periphery of described mass is provided with the guide rail magnet be fixed on described motor shell inside.
As a kind of improved plan, described elastic supporting member for supporting optical member is U-shaped shell fragment, and a side of described U-shaped shell fragment is fixed on described mass, and the other end is fixed on the inwall of described motor shell.
As a kind of improved plan, the quantity of described iron core and coil is several.
As a kind of improved plan, described iron core comprises the first iron core and the second iron core, accordingly, described coil comprises the first coil be nested on described first iron core and the second coil be nested on described second iron core, and described first coil and the second coil are arranged on described wiring board respectively.
As a kind of improved plan, described mass one end is connected with described first iron core and the second iron core respectively, and the other end connects described elastic supporting member for supporting optical member.
As a kind of improved plan, described elastic supporting member for supporting optical member comprises spring and fixed axis, wherein, one end that described mass connects described elastic supporting member for supporting optical member is provided with the projection with installing hole, described spring one end is enclosed within described projection, and the other end is fixed on the inwall of described motor shell, and described fixed hub is contained in described spring, one end is fixed on described motor shell inwall, and the other end is arranged in described installing hole.
As a kind of improved plan, both sides relative on described mass are respectively equipped with mounting groove, in described mounting groove, are separately installed with balanceable magnet.
As a kind of improved plan, described guide rail magnet is several block magnet.
As a kind of improved plan, described guide rail magnet is be sleeved on the annular magnet on described mass.
Comprise motor shell due to linear vibration motor and be fixed on the wiring board of motor shell inside, the suspension of motor shell inside has vibrating mass, vibrating mass comprises iron core, iron core is nested in coil inner chamber, coil is installed in the circuit board, iron core two ends are separately installed with mass, the other end of mass direction of vibration is fixed on the inwall of motor shell by elastic supporting member for supporting optical member, the periphery of mass is provided with the guide rail magnet be fixed on motor shell inwall, realize the system vibration feedback effect to electronic product, simultaneously, iron core magnetizes when coil electricity, magneticaction is produced with guide rail magnet, larger actuating force is provided, the requirement that the vibrational feedback meeting user is experienced.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of the linear vibration motor that the utility model embodiment one provides;
Fig. 2 is the schematic top plan view of the linear vibration motor that the utility model embodiment one provides;
Fig. 3 is that the magnetic force of the linear vibration motor that the utility model provides produces view;
Fig. 4 is the detonation configuration schematic diagram of the linear vibration motor that the utility model embodiment two provides;
Fig. 5 is the schematic top plan view of the linear vibration motor that the utility model embodiment two provides;
Wherein, 1-motor shell, 2-wiring board, 3-vibrating mass, 4-iron core, 5-coil, 6-mass, 7-guide rail magnet, 8-U type shell fragment, 9-first iron core, 10-second iron core, 11-first coil, 12-second coil, 13-spring, 14-fixed axis, 15-is protruding, 16-mounting groove, 17-balanceable magnet, 18-upper cover, 19-lower shoe.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 show that the utility model embodiment one provides structural representation, for convenience of explanation, in figure, only give the part relevant to the utility model.
Shown in composition graphs 2, linear vibration motor comprises motor shell 1 and is fixed on the wiring board 2 of motor shell 1 inside, the suspension of motor shell 1 inside has vibrating mass 3, vibrating mass 3 comprises iron core 4, iron core 4 is nested in coil 5 inner chamber, and coil 5 is arranged on wiring board 2, and iron core 4 two ends are separately installed with mass 6, the other end of mass 6 direction of vibration is fixed on by elastic supporting member for supporting optical member on the inwall of motor shell 1, and the periphery of mass 6 is provided with the guide rail magnet 7 be fixed on motor shell 1 inwall.
Wherein, iron core 4 is sleeved in coil 5 inner chamber, iron core 4 and mass 6 are installed and are combined, its mounting means can be bonding, then mass 6 is tungsten steel block, mass 6 other end realizes the suspension of whole vibrating mass 3 by elastic supporting member for supporting optical member, meanwhile, realizes the reciprocating motion of vibrating mass 3 in coil 5 inner chamber.
As shown in Figure 3, pass into alternating current in above-mentioned coil 5, specific works process is:
After coil 5 is energized, iron core 4 can be magnetized, after magnetization, iron core 4 is just with and is magnetic, be equivalent to one block of magnet, the guide rail magnet 7 of the right and left can produce the effect of power to iron core 4, the guide rail magnet 7 on the left side must be contrary with guide rail magnet 7 magnetic on the right, the guide rail magnet 7 on the left side can attract iron core 4, the magnet on the right can repel iron core 4, and the actuating force on both sides superposes, and the actuating force provided is larger; And the actuating force provided is non-linear;
After iron core 4 is subject to the effect of power, drive mass 6 to left movement, when the direction of alternating current changes, magnetic pole N and S of iron core 4 can change, and such iron core 4 will drive mass 6 to move right;
Wherein, the magnetic N and the S that provide guide rail magnet 7 and iron core 4 in Fig. 3 are one of them situation, and F is the actuating force produced, and does not repeat them here.
In the utility model, elastic supporting member for supporting optical member is that whole vibrating mass 3 provides support force and motion restoring force, and wherein, this elastic supporting member for supporting optical member can adopt shell fragment or spring to realize, such as:
As depicted in figs. 1 and 2, this elastic supporting member for supporting optical member is U-shaped shell fragment 8, a side of this U-shaped shell fragment 8 is fixed on mass 6, and the other end is fixed on the inwall of motor shell 1, wherein, this U-shaped shell fragment 8 also does the design adapted to according to vibration demand, such as two side edge length is not etc., and the mode of upper end alignment, can certainly adopt the shell fragment of other shapes, do not repeat them here, be not used in restriction the utility model yet.
In the utility model, above-mentioned iron core 4 and arranging of coil 5 can adopt the mode organized more, and the vibrational feedback demand according to electronic product reality is arranged, that is:
The quantity of above-mentioned iron core 4 and coil 5 is several, its corresponding setting, such as:
As shown in Figure 4 and Figure 5, iron core 4 comprises the first iron core 9 and the second iron core 10, accordingly, coil 5 comprises and is nested in the first coil 11 on the first iron core 9 and the second coil 12, first coil 11 be nested on the second iron core 10 and the second coil 12 and is arranged on wiring board 2 respectively;
After iron core 4 and coil 5 arrange two groups respectively, its mass 6 also correspondence can arrange two groups, can certainly adopt the set-up mode of a group;
As shown in Figure 4, mass 6 is one group, and namely the first iron core 9 and the second iron core 10 share one group of mass 6, that is: mass 6 one end is connected with the first iron core 9 and the second iron core 10 respectively, and the other end connects elastic supporting member for supporting optical member.
Wherein in the linear vibration motor shown in Fig. 4, elastic supporting member for supporting optical member also can adopt the U-shaped shell fragment shown in above-mentioned Fig. 1 and Fig. 2, can certainly adopt the mode of spring, such as, shown in Fig. 4:
Elastic supporting member for supporting optical member comprises spring 13 and fixed axis 14, wherein, one end that mass 6 connects elastic supporting member for supporting optical member is provided with the projection 15 with installing hole, spring 13 one end is enclosed within protruding 15, and the other end is fixed on the inwall of motor shell 1, and fixed axis 14 is sleeved in spring 13, one end is fixed on motor shell 1 inwall, the other end is arranged in installing hole, and wherein, fixed axis 14 can adopt the mode of welding with the mounting means of motor shell 1.
In the utility model, in order to ensure the stability of whole vibrating mass 3, namely prevent vibrating mass 3 from rotating, both sides relative on mass 6 can be respectively equipped with mounting groove 16, be separately installed with balanceable magnet 17 in mounting groove 16, this balanceable magnet 17 is arranged on the both sides of this mass 6, and the attracting mode of magnetic is installed, two groups of balanceable magnets 17 produce attracting magnetic force, place vibrating mass 3 and rotate.
Wherein, the operation principle of the linear vibration motor shown in Fig. 4 as shown in Figure 3, does not repeat them here, and it is larger that its actuating force provided compares the actuating force that the linear vibration motor shown in Fig. 1 provides.
In the linear vibration motor shown in above-mentioned Fig. 1 to Fig. 4, above-mentioned guide rail magnet 7 can adopt the magnet of block mechanism, namely arranges some blocks of these guide rail magnet 7 at the periphery of mass 6, and realization and the iron core 4 after magnetizing produce the effect of power;
The mode of annular magnet can certainly be adopted, do not repeat them here.
As shown in Figure 1 and Figure 4, the mode that motor shell 1 can adopt upper cover 18 and lower shoe 19 to fasten realizes, and does not repeat them here.
In the utility model, linear vibration motor comprises motor shell 1 and is fixed on the wiring board 2 of motor shell 1 inside, the suspension of motor shell 1 inside has vibrating mass 3, vibrating mass 3 comprises iron core 4, iron core 4 is nested in coil 5 inner chamber, coil 5 is arranged on wiring board 2, iron core 4 two ends are separately installed with mass 6, the other end of mass 6 is fixed on by elastic supporting member for supporting optical member on the inwall of motor shell 1, the periphery of mass 6 is provided with the guide rail magnet 7 be fixed on motor shell 1 inwall, realize the system vibration feedback effect to electronic product, simultaneously, iron core 4 magnetizes when coil 5 is energized, magneticaction is produced with guide rail magnet 7, larger actuating force is provided, the requirement that the vibrational feedback meeting user is experienced.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. a linear vibration motor, comprise motor shell and the wiring board being fixed on described motor shell inside, it is characterized in that, described motor shell inside suspension has vibrating mass, described vibrating mass comprises iron core, described iron core is nested in coil inner chamber, described coil is arranged on described wiring board, described iron core two ends are separately installed with mass, the other end of described mass direction of vibration is fixed on by elastic supporting member for supporting optical member on the inwall of described motor shell, and the periphery of described mass is provided with the guide rail magnet be fixed on described motor shell inwall.
2. linear vibration motor according to claim 1, is characterized in that, described elastic supporting member for supporting optical member is U-shaped shell fragment, and a side of described U-shaped shell fragment is fixed on described mass, and the other end is fixed on the inwall of described motor shell.
3. linear vibration motor according to claim 1, is characterized in that, the quantity of described iron core and coil is several.
4. linear vibration motor according to claim 3, it is characterized in that, described iron core comprises the first iron core and the second iron core, accordingly, described coil comprises the first coil be nested on described first iron core and the second coil be nested on described second iron core, and described first coil and the second coil are arranged on described wiring board respectively.
5. linear vibration motor according to claim 4, is characterized in that, described mass one end is connected with described first iron core and the second iron core respectively, and the other end connects described elastic supporting member for supporting optical member.
6. linear vibration motor according to claim 5, it is characterized in that, described elastic supporting member for supporting optical member comprises spring and fixed axis, wherein, one end that described mass connects described elastic supporting member for supporting optical member is provided with the projection with installing hole, and described spring one end is enclosed within described projection, the other end is fixed on the inwall of described motor shell, described fixed hub is contained in described spring, and one end is fixed on described motor shell inwall, and the other end is arranged in described installing hole.
7. linear vibration motor according to claim 6, is characterized in that, both sides relative on described mass are respectively equipped with mounting groove, is separately installed with balanceable magnet in described mounting groove.
8. the linear vibration motor according to any one of claim 1 to 7, is characterized in that, described guide rail magnet is several block magnet.
9. the linear vibration motor according to any one of claim 1 to 7, is characterized in that, described guide rail magnet is be sleeved on the annular magnet on described mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978067.2U CN205178822U (en) | 2015-11-30 | 2015-11-30 | Linear vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520978067.2U CN205178822U (en) | 2015-11-30 | 2015-11-30 | Linear vibrating motor |
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| Publication Number | Publication Date |
|---|---|
| CN205178822U true CN205178822U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520978067.2U Active CN205178822U (en) | 2015-11-30 | 2015-11-30 | Linear vibrating motor |
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| CN (1) | CN205178822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406679A (en) * | 2015-11-30 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN106655696A (en) * | 2016-11-30 | 2017-05-10 | 歌尔股份有限公司 | Linear vibration motor |
-
2015
- 2015-11-30 CN CN201520978067.2U patent/CN205178822U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406679A (en) * | 2015-11-30 | 2016-03-16 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN106655696A (en) * | 2016-11-30 | 2017-05-10 | 歌尔股份有限公司 | Linear vibration motor |
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| 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. |