CN105846636B - A kind of linear vibration motor - Google Patents

A kind of linear vibration motor Download PDF

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Publication number
CN105846636B
CN105846636B CN201610355516.7A CN201610355516A CN105846636B CN 105846636 B CN105846636 B CN 105846636B CN 201610355516 A CN201610355516 A CN 201610355516A CN 105846636 B CN105846636 B CN 105846636B
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CN
China
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elastic
mass
type
mass block
elastic slice
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CN201610355516.7A
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Chinese (zh)
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CN105846636A (en
Inventor
王超
朱跃光
刘晓娟
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歌尔股份有限公司
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Publication of CN105846636A publication Critical patent/CN105846636A/en
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Abstract

The present invention relates to technical field of electronic products, a kind of linear vibration motor is provided, including motor shell and the vibrating mass being suspended in inside motor shell, it further include being used to support vibrating mass and providing the elastic supporting member for supporting optical member of elastic-restoring force for it inside motor shell, vibrating mass includes mass block and magnet, the shape of motor shell and mass block is cuboid or square, elastic supporting member for supporting optical member is V-type elastic slice, first elastic arm of V-type elastic slice is fixedly connected with mass block, and the second elastic arm of V-type elastic slice is fixedly connected with motor shell;First elastic arm and the plane where the second elastic arm are parallel with vibrating mass direction of vibration, to realize the vibrational feedback to electronic product touch operation, not only manufacturing process is fairly simple for V-type elastic slice, easy to process, and polarization phenomena is less likely to occur using this elastic slice.

Description

A kind of linear vibration motor

Technical field

The invention belongs to technical field of electronic products more particularly to a kind of linear vibration motors.

Background technique

Portable consumer electronics product rapidly develops, and consumer increasingly favors more lightening and has more preferably tactile body The electronic product tested.Motor is typically used as the executing agency of tactile experience, plays the role of system vibration feedback.Electronic product is more Good lightening developing direction determines that elastic supporting member for supporting optical member must also be improved to gauge flat direction.Used in electronic product Linear vibration motor, which generally comprises, is contained in the intracorporal magnetic oscillator of shell and elastic supporting member for supporting optical member.The elastic supporting member for supporting optical member generally uses bullet Spring or elastic piece structure part, are mainly used for for magnetic oscillator being suspended in shell, and provide restoring force and mention for the magnetic oscillator For positioning and guiding.

Currently, the manufacturing process of elastic supporting member for supporting optical member is more complicated, difficulty of processing is larger, and elastic supporting member for supporting optical member is in use It is easy to appear polarization, to influence the vibrating effect of motor.

Summary of the invention

The purpose of the present invention is to provide a kind of linear vibration motors, it is intended to solve the system of elastic supporting member for supporting optical member in the prior art Technics comparing complexity is made, difficulty of processing is larger, and elastic supporting member for supporting optical member is easy to appear polarization in use, to influence motor The problem of vibrating effect.

The invention is realized in this way a kind of linear vibration motor, including motor shell and it is suspended in the motor shell Internal vibrating mass further includes being used to support the vibrating mass and providing the bullet of elastic-restoring force for it inside the motor shell Property supporting element, the vibrating mass includes mass block and magnet, the shape of the motor shell and the mass block be cuboid or Square, the elastic supporting member for supporting optical member are V-type elastic slice, and the first elastic arm of the V-type elastic slice is fixedly connected with the mass block, institute The second elastic arm for stating V-type elastic slice is fixedly connected with the motor shell;

First elastic arm and the plane where second elastic arm are parallel with the vibrating mass direction of vibration.

As an improvement scheme, the motor shell includes upper casing and lower casing, and the upper casing and the lower casing are along institute The projection for stating vibrating mass direction of vibration is square, and the upper casing and the lower casing fasten to be formed and accommodate the vibrating mass, bullet The space of property supporting element.

As an improvement scheme, the quantity of the V-type elastic slice is two, the first elasticity of two V-type elastic slices Arm is fixedly connected with the opposite side of the mass block respectively, the first elastic arm of two V-type elastic slices and the quality The fixed connection point of block is in a center of symmetry with the mass block.

As an improvement scheme, the quantity of the V-type elastic slice is four.

As an improvement scheme, the first elastic arm of four V-type elastic slices four with the mass block respectively Side is fixedly connected.

As an improvement scheme, in pairs, the every group of opposite setting that is open respectively is in institute for four V-type elastic slices It states on the opposite side of mass block.

As an improvement scheme, in pairs, the every group of opposite setting that is open respectively is in institute for four V-type elastic slices It states on the opposite side of mass block.

As an improvement scheme, be equipped at the mass block and the tie point of the first elastic arm of the V-type elastic slice Protrude link block.

As an improvement scheme, the second elastic arm of the V-type elastic slice and the rectangular upper casing or lower casing is fixed connects It connects.

As an improvement scheme, the elastic supporting member for supporting optical member the region of the orthographic projection of the lower casing be equipped with spring washer.

Since linear vibration motor includes motor shell and the vibrating mass that is suspended in inside motor shell, inside motor shell It further include being used to support vibrating mass and providing the elastic supporting member for supporting optical member of elastic-restoring force for it, vibrating mass includes mass block and magnet, The shape of motor shell and mass block is cuboid or square, and elastic supporting member for supporting optical member is V-type elastic slice, the first elasticity of V-type elastic slice Arm is fixedly connected with mass block, and the second elastic arm of V-type elastic slice is fixedly connected with motor shell;First elastic arm and the second elasticity Plane where arm is parallel with vibrating mass direction of vibration, so that the vibrational feedback to electronic product touch operation is realized, firstly, V The manufacturing process of type elastic slice is fairly simple, easy to process, moreover, V-type elastic slice exists compared with elastic supporting member for supporting optical member in the prior art It is not easy to polarize in use process, improves the vibrating effect of motor.

Detailed description of the invention

Fig. 1 is the perspective view of the explosion for the linear vibration motor that the embodiment of the present invention one provides;

Fig. 2 is the diagrammatic cross-section of Fig. 1;

Fig. 3 is the perspective view of the explosion of linear vibration motor provided by Embodiment 2 of the present invention;

Fig. 4 is the diagrammatic cross-section of Fig. 3;

Fig. 5 is the perspective view of the explosion for the linear vibration motor that the embodiment of the present invention three provides;

Fig. 6 is the diagrammatic cross-section of Fig. 5;

Fig. 7 is the perspective view of the explosion for the linear vibration motor that the embodiment of the present invention four provides;

Fig. 8 is the diagrammatic cross-section of Fig. 7

Wherein, 1- vibrating mass, 2- mass block, 3- magnet, 4-V type elastic slice, 5- upper casing, 6- lower casing, 7- frame, 8- coil, 9- wiring board, 10- spring washer, 11- spring binding post, 12- protrude link block.

Specific embodiment

In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.

Signified square includes that orthogonal two sides intersection of square was connected using camber line in this patent The structure crossed, signified square and cuboid include orthogonal two faces for constituting square or cuboid in this patent Intersection uses the structure of arc transition.

As shown in Fig. 1, Fig. 3, Fig. 5 and Fig. 7, linear vibration motor includes motor shell and is suspended in inside motor shell Vibrating mass 1 further includes being used to support vibrating mass 1 and providing the elastic supporting member for supporting optical member of elastic-restoring force for it inside motor shell, vibration Motion block 1 includes mass block 2 and magnet 3, and the shape of motor shell and mass block 2 is square or cuboid, elastic supporting member for supporting optical member The first elastic arm (unmarked in figure) for V-type elastic slice 4, V-type elastic slice 4 is fixedly connected with mass block 2, the second bullet of V-type elastic slice 4 Property arm (unmarked in figure) is fixedly connected with motor shell;

First elastic arm and the plane where the second elastic arm are parallel with 1 direction of vibration of vibrating mass.

Wherein, in this embodiment, motor shell and mass block 2 are square along the orthographic projection of direction of vibration, herein On the basis of, elastic supporting member for supporting optical member uses V-type elastic slice 4, is mainly used for providing support force and restoring force, wherein the V-type elastic slice 4 First elastic arm and the second elasticity are separately fixed on mass block 2 and motor shell, and Fig. 1 to Fig. 8 is set forth four kinds specifically Implementation, reference is following.

In the present invention, motor shell includes upper casing 5 and lower casing 6, the throwing of upper casing 5 and lower casing 6 along 1 direction of vibration of vibrating mass Shadow has square, i.e. the roof of upper casing and the bottom wall of lower casing is square, and at least one party of upper casing and lower casing is additionally provided with side wall, Upper casing 5 and lower casing 6 fasten the space for being formed and accommodating vibrating mass 1, elastic supporting member for supporting optical member, and two elastic arms of V-type elastic slice 4 can be distinguished It connect with the roof of mass block 2 and upper casing 5 or is connect respectively with mass block 2 with the bottom wall of lower casing 6.

Wherein, for the mounting means of mass block 2 and magnet 3, following manner can be used:

In conjunction with shown in Fig. 1 to Fig. 8, it is fixedly connected with frame 7 in 3 mounting hole of magnet of mass block 2, is equipped in frame 7 Magnet 3, magnet 3 are sleeved in coil 8, and coil 8 is fixedly connected in assist side 9, wherein the magnet 3 can be bonded in frame 7 It is interior.

The opening of frame 7 may extend in the opening of the frame 7 towards coil 8, the coil 8, produce to save electronics Space inside product.

In the present invention, elastic supporting member for supporting optical member is equipped with spring washer 10 in the region of the orthographic projection of lower casing 6, and the effect of the spring washer 10 is Play the role of buffer limit in vibration processes to elastic supporting member for supporting optical member.

In the present invention, coil 8 is projected as round or rectangle along 1 direction of vibration of vibrating mass, and magnet 3 and frame 7 are along vibration The corresponding projection of 1 direction of vibration of motion block is also round or rectangle, and coil 8 forms round magnetic circuit or rectangle in conjunction with above-mentioned magnet 3 Magnetic circuit.

In the present invention, the external circuits region of above-mentioned wiring board 9 is pad or spring binding post 11, wherein in figure The mode of the spring binding post 11 shown, details are not described herein, but not to limit the present invention.

As depicted in figs. 1 and 2, the quantity of V-type elastic slice 4 be two, the first elastic arm of two V-type elastic slices 4 respectively with matter The opposite side of gauge block 2 is fixedly connected, and the first elastic arm of two V-type elastic slices 4 and the fixed connection point of mass block 2 are with mass block 2 It is in a center of symmetry.

Wherein, what is provided in Fig. 1 and Fig. 2 is the tie point of the first elastic arm and mass block 2 in 2 opposite side of mass block Heart position, i.e. protrusion link block 12 is in the center of 2 opposite side of mass block.

In this embodiment, which can be separately positioned on the two sides of 1 direction of vibration of vibrating mass, i.e., wherein Second elastic arm of one V-type elastic slice 4 is connect with rectangular upper casing 5, and the second elastic arm and lower casing 6 of another V-type elastic slice 4 are fixed Connection, naturally it is also possible to use other connection types.

As shown in Figure 3 and Figure 4, the quantity of V-type elastic slice 4 is four, in which:

First elastic arm of four V-type elastic slices 4 is fixedly connected with four sides of mass block 2 respectively, as shown in figure 3, should The tie point of the side of four V-type elastic slices 4 and mass block 2 is in the center of side, i.e. protrusion link block 12 is in side On heart position;

Wherein, the opening of four V-type elastic slices 4 is successively towards next V-type elastic slice 4, naturally it is also possible to use its other party Formula.

In this embodiment, the second elastic arm of V-type elastic slice 4 is connect with rectangular upper casing 5 or connect with lower casing 6 can root It is configured according to actual needs.

As shown in Figure 5 and Figure 6, the quantity of V-type elastic slice 4 is four, in which:

Four V-type elastic slices 4 in pairs, every group of opposite be arranged on the opposite side of mass block 2 that be open respectively;

First elastic arm of two opposite V-type elastic slices 4 of the opening is separately fixed at the protrusion on 2 side of mass block On link block 12, the first elastic arm is connect with rectangular upper casing 5 or lower casing 6, and details are not described herein.

As shown in Figure 7 and Figure 8, the quantity of V-type elastic slice 4 is four, in which:

In pairs, every group opening is opposite respectively is arranged on the opposite side of mass block 2 for four V-type elastic slices 4;

First elastic arm of two opposite V-type elastic slices 4 of opening setting is separately fixed on 2 side of mass block It protrudes on link block 12, the first elastic arm is connect with rectangular upper casing 5 or lower casing 6, and details are not described herein.

In the present invention, linear vibration motor includes motor shell and the vibrating mass 1 that is suspended in inside motor shell, motor Enclosure interior further includes being used to support vibrating mass 1 and providing the elastic supporting member for supporting optical member of elastic-restoring force for it, and vibrating mass 1 includes quality The shape of block 2 and magnet 3, motor shell and mass block 2 is cube, and elastic supporting member for supporting optical member is V-type elastic slice 4, the of V-type elastic slice 4 One elastic arm is fixedly connected with mass block 2, and the second elastic arm of V-type elastic slice 4 is fixedly connected with motor shell;First elastic arm with Plane where second elastic arm is parallel with 1 direction of vibration of vibrating mass, to realize anti-to the vibration of electronic product touch operation Feedback, and the manufacturing process of elastic slice is fairly simple, it is easy to process, with elastic supporting member for supporting optical member in the prior art (such as spiral spring plate) phase Than V-type elastic slice is not easy to polarize in use, improves the vibrating effect of motor.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of the present invention within mind and principle.

Claims (10)

1. a kind of linear vibration motor, including motor shell and the vibrating mass being suspended in inside the motor shell, the motor Enclosure interior further includes being used to support the vibrating mass and providing the elastic supporting member for supporting optical member of elastic-restoring force for it, which is characterized in that The vibrating mass includes mass block and magnet, and the shape of the mass block and the motor shell is square, the elasticity branch Support member is V-type elastic slice, and the first elastic arm of the V-type elastic slice is fixedly connected with the mass block, the second bullet of the V-type elastic slice Property arm is fixedly connected with the motor shell;
First elastic arm and the plane where second elastic arm are parallel with the vibrating mass direction of vibration, the V-type The direction of vibration of elastic slice is consistent with the gravity direction of the vibrating mass;
Frame is fixedly connected in the magnet mounting hole of the mass block, the magnet is bonded in frame, the bottom of the shell Portion is provided with wiring board, and coil is fixedly connected on the wiring board, and the magnet is sleeved in the coil, the wiring board External circuitry region be provided with spring binding post.
2. linear vibration motor according to claim 1, which is characterized in that the motor shell includes upper casing and lower casing, The upper casing and the lower casing are square along the projection of the vibrating mass direction of vibration, and the upper casing and the lower casing fasten Form the space for accommodating the vibrating mass, elastic supporting member for supporting optical member.
3. linear vibration motor according to claim 2, which is characterized in that the quantity of the V-type elastic slice is two, two First elastic arm of the V-type elastic slice is fixedly connected with the opposite side of the mass block respectively, and the first of two V-type elastic slices The fixed connection point of elastic arm and the mass block is in a center of symmetry with the mass block.
4. linear vibration motor according to claim 2, which is characterized in that the quantity of the V-type elastic slice is four.
5. linear vibration motor according to claim 4, which is characterized in that the first elastic arm of four V-type elastic slices It is fixedly connected respectively with four sides of the mass block.
6. linear vibration motor according to claim 4, which is characterized in that four V-type elastic slices in pairs, every group Be open opposite be arranged on the opposite side of the mass block respectively.
7. linear vibration motor according to claim 4, which is characterized in that four V-type elastic slices in pairs, every group Opening is opposite respectively is arranged on the opposite side of the mass block.
8. according to the described in any item linear vibration motors of claim 3 to 7, which is characterized in that the mass block and the V-type Protrusion link block is equipped at the tie point of first elastic arm of elastic slice.
9. linear vibration motor according to claim 8, which is characterized in that the second elastic arm of the V-type elastic slice and institute It states rectangular upper casing or lower casing is fixedly connected.
10. linear vibration motor according to claim 2, which is characterized in that the elastic supporting member for supporting optical member is in the lower casing The region of orthographic projection is equipped with spring washer.
CN201610355516.7A 2016-05-25 2016-05-25 A kind of linear vibration motor CN105846636B (en)

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Application Number Priority Date Filing Date Title
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CN105846636B true CN105846636B (en) 2019-06-25

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1020280A (en) * 1963-11-22 1966-02-16 Pieter Hendrik Van Den Hove Electro-magnetic vibrator
CN201388144Y (en) * 2009-02-20 2010-01-20 瑞声声学科技(常州)有限公司;瑞声声学科技(深圳)有限公司 Flat linear vibration motor
CN102340229A (en) * 2011-09-22 2012-02-01 瑞声光电科技(常州)有限公司 Linear vibrating motor and manufacturing method thereof
CN205070741U (en) * 2015-10-21 2016-03-02 歌尔声学股份有限公司 Vibration motor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100088290A (en) * 2009-01-30 2010-08-09 동인하이텍주식회사 Vibration motor
CN103401394B (en) * 2013-08-13 2015-09-02 金龙机电股份有限公司 An improved flat thin linear vibration motor
CN205141962U (en) * 2015-11-30 2016-04-06 歌尔声学股份有限公司 A linear vibration motor
CN105553219B (en) * 2016-03-07 2019-01-11 歌尔股份有限公司 Linear vibration motor
CN205792136U (en) * 2016-05-25 2016-12-07 歌尔股份有限公司 Linear vibrating motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1020280A (en) * 1963-11-22 1966-02-16 Pieter Hendrik Van Den Hove Electro-magnetic vibrator
CN201388144Y (en) * 2009-02-20 2010-01-20 瑞声声学科技(常州)有限公司;瑞声声学科技(深圳)有限公司 Flat linear vibration motor
CN102340229A (en) * 2011-09-22 2012-02-01 瑞声光电科技(常州)有限公司 Linear vibrating motor and manufacturing method thereof
CN205070741U (en) * 2015-10-21 2016-03-02 歌尔声学股份有限公司 Vibration motor

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