CN105186824A - Flexible vibration motor - Google Patents
Flexible vibration motor Download PDFInfo
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- CN105186824A CN105186824A CN201510509375.5A CN201510509375A CN105186824A CN 105186824 A CN105186824 A CN 105186824A CN 201510509375 A CN201510509375 A CN 201510509375A CN 105186824 A CN105186824 A CN 105186824A
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- mass
- vibration motor
- permanent magnet
- flexible vibration
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Abstract
The invention provides a flexible vibration motor, comprising a housing, a vibration system held in a vibration space which is formed in the housing, and an elastic strut member which is connected with the vibration system and makes the vibration system do reciprocating motion. The vibration system comprises a mass block and a permanent magnet fixedly connected with the mass block. The mass block comprises a second mass block, and a first mass block and a third mass block which are respectively horizontally on two sides of the second mass block. The first mass block and the third mass block are connected with the second mass block respectively through a first spring and a second spring. Using the technical scheme, when an assembling space of a motor can just assemble an X-axis direction vibration motor, the motor can vibrate in a Y-axis direction. The motor is good in applicability.
Description
Technical field
The present invention relates to vibrating motor technical field, more specifically, relate to a kind of flexible vibration motor.
Background technology
Along with advancing by leaps and bounds of the communication technology in recent years, portable mobile communication terminal device incorporates the life of people gradually.In traditional portable electron device, as mobile phone, the functions such as caller identification, calling vibration prompting and call voice output need different devices to complete respectively.Wherein, what perform vibration prompt function is vibrating motor.Existing vibrating motor, the vibrational system (vibrational system comprises mass and permanent magnet) of the linear vibration that comprises upper cover, forms the lower cover of oscillation space with upper cover, does, is connected upper cover and makes vibrational system do the elastic supporting member for supporting optical member of double vibrations and the voice coil loudspeaker voice coil be positioned at below mass and be positioned at the iron core of voice coil loudspeaker voice coil inside.
But the motor of this structure can only do rectilinear motion substantially, when the space of assembling motor is with when requiring that the direction of vibration of motor contradicts, can only simply move reciprocatingly in X-direction, can not meet product demand, adaptability is poor.
Summary of the invention
In view of the above problems, the object of this invention is to provide a kind of flexible vibration motor, to solve current linear motion motor, in the space of assembling motor with when requiring that the direction of vibration of motor contradicts, can only simply in the problem that X-direction moves reciprocatingly.
According to the invention provides a kind of flexible vibration motor, comprising: shell, be housed in the vibrational system in oscillation space that shell formed and connect vibrational system make it do the elastic supporting member for supporting optical member of double vibrations; Wherein, the vibrational system permanent magnet that comprises mass and be fixedly connected with mass; Wherein, mass comprises the second mass, is laterally positioned at the first mass and the 3rd mass of the second mass both sides, and the first mass is connected with the second mass with the second shell fragment respectively by the first shell fragment with the 3rd mass.
Wherein, the first shell fragment and/or the second shell fragment are " S " type, " N " type or " W " type structure.
Wherein, permanent magnet comprises the first permanent magnet and the second permanent magnet; First mass is provided with the first holddown groove inlaying the first permanent magnet; 3rd mass is provided with the second holddown groove inlaying the second permanent magnet.
Wherein, the polarity of the first permanent magnet and the second permanent magnet is contrary.
Wherein, the first mass, the second mass and the 3rd mass are arranged side by side in X-direction; First mass and the 3rd mass are hung in the space of shell formation respectively by elastic supporting piece.
Wherein, the first mass is fixedly connected with the first back-up block being positioned at shell one end by the first connecting axle, is arranged with the first spring in the outside of the first connecting axle; 3rd mass is fixedly connected with the second back-up block being positioned at the shell other end by the second connecting axle, is arranged with the second spring in the outside of the second connecting axle.
Wherein, at the first back-up block, the side of the first mass is provided with the first silicagel pad; At the second back-up block, the side of the 3rd mass is provided with the second silicagel pad.
Wherein, below the first mass, the second mass and the 3rd mass, be provided with voice coil loudspeaker voice coil, voice coil loudspeaker voice coil inside is provided with iron core.
Wherein, shell comprises mesochite, the upper cover be connected with mesochite adaptation and lower cover; Under cover and be fixed with " U " type connecting plate, voice coil loudspeaker voice coil is electrically connected with connecting plate.
Wherein, also comprise the spring terminal be connected with external circuit, spring terminal is fixed on mesochite by fixed block.
Utilize above-mentioned according to flexible vibration motor of the present invention, the outstanding mass establishing three shell fragments by definite shape to connect in mesochite, while mass vibrates along X-direction, the flexible vibration in Y direction can be produced, when product space only allows the motor installing X-direction double vibrations, still can produce the vibration in Y direction, to meet product demand, meanwhile, three masses flexibly connected can also increase Lorentz force, and then strengthen the vibration sense of motor.
In order to realize above-mentioned and relevant object, will describe in detail and the feature particularly pointed out in the claims after one or more aspect of the present invention comprises.Explanation below and accompanying drawing describe some illustrative aspects of the present invention in detail.But what these aspects indicated is only some modes that can use in the various modes of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present invention, other object of the present invention and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the explosive view of the flexible vibration motor according to the embodiment of the present invention;
Fig. 2 is the profile of the flexible vibration motor according to the embodiment of the present invention;
Fig. 3 is the vertical view of the flexible vibration motor according to the embodiment of the present invention;
Fig. 4 is the part sectioned view of the flexible vibration motor according to the embodiment of the present invention;
Fig. 5 is the stereogram of the flexible vibration motor according to the embodiment of the present invention.
Reference numeral wherein comprises: upper cover 1, first mass 21, first permanent magnet 211, second mass 22, the 3rd mass 23, second permanent magnet 231, first spring 31, second spring 32, first connecting axle 41, second connecting axle 42, spring terminal 5, fixed block 6, first shell fragment 71, second shell fragment 72, first silicagel pad 81, second silicagel pad 82, first back-up block 91, second back-up block 92, voice coil loudspeaker voice coil 10, mesochite 11, connecting plate 12, lower cover 13.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
In the following description, for purposes of illustration, in order to provide the complete understanding to one or more embodiment, many details have been set forth.But, clearly, also these embodiments can be realized when there is no these details.In other example, one or more embodiment for convenience of description, known structure and equipment illustrate in block form an.
For above-mentioned linear motion motor, in the space of assembling motor with when requiring that the direction of vibration of motor contradicts, can only simply in the problem that X-direction moves reciprocatingly, the present invention is outstanding in the mesochite of motor establishes three by shell fragment lateral connection masses together such as " S " types, when product space only allows the motor installing X-direction double vibrations, the flexible vibration in Y direction still can be produced, to meet the different demands of product, Lorentz force is strong, and motor vibration sense is obvious.
For describing flexible vibration motor configuration of the present invention in detail, below with reference to accompanying drawing, specific embodiments of the invention are described in detail.
Fig. 1 shows the detonation configuration of the flexible vibration motor according to the embodiment of the present invention; Fig. 2 shows the cross-section structure of the flexible vibration motor according to the embodiment of the present invention; Fig. 3 shows the vertical view of the flexible vibration motor according to the embodiment of the present invention.
As Fig. 1 to Fig. 3 jointly shown in, flexible vibration motor provided by the invention comprises: shell, be housed in the vibrational system in oscillation space that shell formed and connect vibrational system make it do the elastic supporting member for supporting optical member of double vibrations; Wherein, the vibrational system permanent magnet that comprises mass and be fixedly connected with mass; Wherein, mass is included in the second mass 22 that product X-direction is arranged side by side, the first mass 21 being laterally positioned at the second mass 22 both sides and the 3rd mass 23, first mass 21 and is connected with the second mass 22 with the second shell fragment 72 respectively by the first shell fragment 71 with the 3rd mass 23; Permanent magnet comprises the first permanent magnet 211 be arranged in the first mass 21 and the second permanent magnet 231 be arranged in the 3rd mass 23.Wherein, the first mass 21 is fixedly connected with shell respectively by elastic supporting member for supporting optical member with the 3rd quality 23 pieces, and the second mass 22 is poised between the first mass 21 and the 3rd mass 23 by the first shell fragment 71 and the second shell fragment 72.
In a specific embodiment of the present invention, the first shell fragment 71 and/or the second shell fragment 72 are " S " type, " N " type or " W " type structure.When the first mass 21 and the 3rd quality 23 pieces move along motor X-direction, due to the existence of the first shell fragment 71 and the second shell fragment 72, the second mass 22, while moving along X-axis, can produce along the flexible vibration in Y direction.When the space of product only allows the linear vibration motor installing X-direction motion, still can produce the vibration in Y direction, to meet the demand of the multi-direction vibration of product, save space.In addition, compare existing linear vibration motor, mass is increased to three pieces, also add the Lorentz force of motor to a certain extent, thus make the vibration sense of product more obvious.
It should be noted that, the concrete structure of the first shell fragment 71 and the second shell fragment 72 is not limited to " S " type structure shown in accompanying drawing, the second mass 22 can be made to produce compliant motion in Y direction, such as, spring is used to replace the first shell fragment 71 and the second shell fragment 72, also can play same effect, specifically not limit.
Particularly, the flexible vibration motor of the embodiment of the present invention comprise mesochite 11, with mesochite 11 adaptation be connected and form oscillation space upper cover 1 and lower cover 13, be housed in the vibrational system in oscillation space and connect vibrational system and make it do the elastic supporting member for supporting optical member of double vibrations.Wherein, vibrational system comprises the first mass 21, the first permanent magnet 211, second mass 22, the 3rd mass 23 be arranged on the first mass 21, and is arranged on the second permanent magnet 231 on the 3rd mass 23.
In the present invention, the first mass 21 is provided with the first holddown groove inlaying the first permanent magnet 211; 3rd mass 23 is provided with the second holddown groove inlaying the second permanent magnet 231.First mass 21 and the 3rd mass 23 are fixed in mesochite 11, second mass 22 flexibly connects between the first mass 21 and the 3rd mass 23 by the first shell fragment 71 and the second shell fragment 72, first permanent magnet 211 is fixed in the first holddown groove, second permanent magnet 231 is fixed in the second holddown groove, and the polarity of the first permanent magnet 211 and the second permanent magnet 231 is contrary.Such as, when the S of the first permanent magnet 211 is extremely just to voice coil loudspeaker voice coil 10, the N of the second permanent magnet 231 is extremely just to voice coil loudspeaker voice coil 10; When the N of the first permanent magnet 211 is extremely just to voice coil loudspeaker voice coil 10, the S of the second permanent magnet 231 is extremely just to voice coil loudspeaker voice coil 10.In addition, the first permanent magnet 211 and the second permanent magnet 231 be arranged in parallel with voice coil loudspeaker voice coil 10, and there is certain gap.
Particularly, elastic supporting member for supporting optical member comprises the spring (comprising the first spring 31 and the second spring 32), back-up block (comprising the first back-up block 91 and the second back-up block 92), connecting axle (comprising the first connecting axle 41 and the second connecting axle 42) etc. of supporting and fixing first mass 21 and the 3rd mass 23.Wherein, one end of motor mesochite 11 inside is provided with the first back-up block 91, the corresponding other end is provided with the second back-up block 92, first mass 21 is fixedly connected with the first back-up block 91 by the first connecting axle 41, and the 3rd quality 23 pieces is fixedly connected with the second back-up block 92 by the second connecting axle 42.For increasing the vibration sense of motor, preventing mass and mesochite 11 from colliding, outside the first connecting axle 41, being arranged with the first spring 31, outside the second connecting axle 42, being arranged with the second spring 32; And at the first back-up block 91, the side of the first mass 21 is being provided with the first silicagel pad 81, at the second back-up block 92, the side of the 3rd mass 23 is provided with the second silicagel pad 82, to avoid the first mass 21 and the 3rd mass 23 and to collide between the first back-up block 91 and the second back-up block 92, and then guarantee the normal vibration of motor.
In flexible vibration motor of the present invention, immediately below the first mass 21, second mass 22 and the 3rd mass 23, be provided with voice coil loudspeaker voice coil 10, voice coil loudspeaker voice coil 10 inside is provided with iron core.Between lower cover 13 and voice coil loudspeaker voice coil 10, be provided with " U " type connecting plate 12 of connecting motor peripheral circuits, one end of connecting plate 12 is fixed on lower cover 13, and the other end is electrically connected with voice coil leads, plays the effect of fixing voice coil loudspeaker voice coil 10 and electrical connection.
Particularly, Fig. 4 shows the part section structure of the flexible vibration motor according to the embodiment of the present invention.
As shown in Figure 4, the S of the first permanent magnet 211 in the first mass is extremely near voice coil loudspeaker voice coil 10 side, the N of the second permanent magnet 231 in the 3rd mass is extremely near voice coil loudspeaker voice coil 10 side, after the sense of current in voice coil loudspeaker voice coil 10 is determined, according to left hand rule, first mass and the 3rd mass are subject to power F1 and the F2 of a left direction respectively, and the direction of F1 with F2 is identical, and size is also identical.Cover can not move because voice coil loudspeaker voice coil 10 is fixed on down by connecting plate, according to the relation of active force and reaction force, the first mass and the 3rd mass can drive the second mass 22 to move right.After passing into alternating current to voice coil loudspeaker voice coil 10, first mass, the second mass 22 and the 3rd mass can form reciprocal vibration in the enclosure, in this vibration processes, the second mass 22 flexibly connected by the first shell fragment 71 and the second shell fragment 72 and the first mass and the 3rd mass can produce the compliant motion of Y direction simultaneously, and then increases Lorentz force and the vibrating effect of motor.
In addition, flexible motor of the present invention also comprises the spring terminal connecting external device (ED).Particularly, Fig. 5 shows the stereochemical structure according to flexible vibration motor of the present invention.As shown in Figure 5, be provided with two spring terminals 5 in one end of motor case, these two spring terminals 5 are fixedly connected with shell by fixed block 6, when the product that motor applications is extremely different, can be electrically connected by spring terminal 5 with external device (ED).
Utilize flexible vibration motor of the present invention, the effect of the first shell fragment and the second shell fragment can be passed through, while the first mass, the second mass and the 3rd mass produce X-direction motion, make the compliant motion in the second mass generation Y direction, to overcome the contradiction between the space of assembling motor and the direction of vibration requiring motor, when product space only allows the motor installing X-direction double vibrations, still can produce the flexible vibration in Y direction, to meet product demand, applied widely, Lorentz force is strong, motor vibration sense is obvious.
Describe in an illustrative manner according to flexible vibration motor of the present invention above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the flexible vibration motor that the invention described above is proposed, various improvement can also be made on the basis not departing from content of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (10)
1. a flexible vibration motor, comprising: shell, be housed in the vibrational system in oscillation space that described shell formed and connect vibrational system make it do the elastic supporting member for supporting optical member of double vibrations; Wherein, the described vibrational system permanent magnet that comprises mass and be fixedly connected with described mass; Wherein,
Described mass comprises the second mass, is laterally positioned at the first mass and the 3rd mass of described second mass both sides, and described first mass is connected with described second mass with the second shell fragment respectively by the first shell fragment with described 3rd mass.
2. flexible vibration motor as claimed in claim 1, wherein,
Described first shell fragment and/or described second shell fragment are " S " type, " N " type or " W " type structure.
3. flexible vibration motor as claimed in claim 1, wherein, described permanent magnet comprises the first permanent magnet and the second permanent magnet;
Described first mass is provided with the first holddown groove inlaying the first permanent magnet;
Described 3rd mass is provided with the second holddown groove inlaying the second permanent magnet.
4. flexible vibration motor as claimed in claim 3, wherein,
The polarity of described first permanent magnet and described second permanent magnet is contrary.
5. flexible vibration motor as claimed in claim 1, wherein,
Described first mass, the second mass and the 3rd mass are arranged side by side in X-direction;
Described first mass and described 3rd mass are hung in the space of described shell formation respectively by described elastic supporting piece.
6. flexible vibration motor as claimed in claim 5, wherein,
Described first mass is fixedly connected with the first back-up block being positioned at described shell one end by the first connecting axle, is arranged with the first spring in the outside of described first connecting axle;
Described 3rd mass is fixedly connected with the second back-up block being positioned at the described shell other end by the second connecting axle, is arranged with the second spring in the outside of described second connecting axle.
7. flexible vibration motor as claimed in claim 6, wherein,
At described first back-up block, the side of described first mass is provided with the first silicagel pad;
At described second back-up block, the side of described 3rd mass is provided with the second silicagel pad.
8. flexible vibration motor as claimed in claim 1, wherein,
Below described first mass, the second mass and the 3rd mass, be provided with voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil inside is provided with iron core.
9. flexible vibration motor as claimed in claim 1, wherein,
Described shell comprises mesochite, the upper cover be connected with described mesochite adaptation and lower cover;
Cover under described and be fixed with " U " type connecting plate, described voice coil loudspeaker voice coil is electrically connected with described connecting plate.
10. flexible vibration motor as claimed in claim 9, wherein, also comprise the spring terminal be connected with external circuit, described spring terminal is fixed on described mesochite by fixed block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510509375.5A CN105186824B (en) | 2015-08-18 | 2015-08-18 | Flexible vibration motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510509375.5A CN105186824B (en) | 2015-08-18 | 2015-08-18 | Flexible vibration motor |
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| CN105186824A true CN105186824A (en) | 2015-12-23 |
| CN105186824B CN105186824B (en) | 2017-12-19 |
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| CN201510509375.5A Active CN105186824B (en) | 2015-08-18 | 2015-08-18 | Flexible vibration motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026764A (en) * | 2016-07-29 | 2016-10-12 | 常州激振电子科技有限公司 | Piezoelectric linear vibration type mobile phone vibration motor and mechanical vibration amplifying mechanism |
| CN111725965A (en) * | 2020-07-01 | 2020-09-29 | 浙江省东阳市东磁诚基电子有限公司 | Non-contact vibration damping linear vibration motor and implementation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63140650A (en) * | 1986-11-28 | 1988-06-13 | Yamaha Corp | Moving unit |
| WO2005066981A1 (en) * | 2003-12-29 | 2005-07-21 | Honeywell International Inc. | Fast insertion means and method |
| CN202009322U (en) * | 2011-01-05 | 2011-10-12 | 瑞声声学科技(深圳)有限公司 | Multifunctional vibrator |
| CN202353417U (en) * | 2011-11-26 | 2012-07-25 | 歌尔声学股份有限公司 | Minitype vibration motor |
| CN205029536U (en) * | 2015-08-18 | 2016-02-10 | 歌尔声学股份有限公司 | Flexible vibrating motor |
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2015
- 2015-08-18 CN CN201510509375.5A patent/CN105186824B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63140650A (en) * | 1986-11-28 | 1988-06-13 | Yamaha Corp | Moving unit |
| WO2005066981A1 (en) * | 2003-12-29 | 2005-07-21 | Honeywell International Inc. | Fast insertion means and method |
| CN202009322U (en) * | 2011-01-05 | 2011-10-12 | 瑞声声学科技(深圳)有限公司 | Multifunctional vibrator |
| CN202353417U (en) * | 2011-11-26 | 2012-07-25 | 歌尔声学股份有限公司 | Minitype vibration motor |
| CN205029536U (en) * | 2015-08-18 | 2016-02-10 | 歌尔声学股份有限公司 | Flexible vibrating motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026764A (en) * | 2016-07-29 | 2016-10-12 | 常州激振电子科技有限公司 | Piezoelectric linear vibration type mobile phone vibration motor and mechanical vibration amplifying mechanism |
| CN111725965A (en) * | 2020-07-01 | 2020-09-29 | 浙江省东阳市东磁诚基电子有限公司 | Non-contact vibration damping linear vibration motor and implementation method thereof |
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| CN105186824B (en) | 2017-12-19 |
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