CN205356110U - Linear vibrating motor - Google Patents
Linear vibrating motor Download PDFInfo
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- CN205356110U CN205356110U CN201520742893.7U CN201520742893U CN205356110U CN 205356110 U CN205356110 U CN 205356110U CN 201520742893 U CN201520742893 U CN 201520742893U CN 205356110 U CN205356110 U CN 205356110U
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- permanent magnet
- balancing weight
- magnet
- vibration motor
- plane
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Abstract
The utility model discloses a linear vibrating motor, including the oscillator and with oscillator parallel arrangement's stator, the oscillator includes that the balancing weight establishes the vibrating mass who fixes in the balancing weight with inlaying, vibrating mass includes two piece at least permanent magnets, the stator includes the coil, the holding has a guiding core in the coil, inclined plane that the abutting end shape of face of at least adjacent permanent magnet becomes to be parallel to each other, the inclined plane forms an acute angle with guiding core's axis, the inclined plane extends to the orientation slope of being close to corresponding guiding core. The utility model discloses a linear vibrating motor both can guarantee the maximize of permanent magnet volume, can guarantee again that magnetic field guiding core's in the electro -magnet direction is extended, and slit between furthest's the adjacent permanent magnet of increase and the effective magnetic field intensity between the guiding core improve the drive power of drive oscillator vibration.
Description
Technical field
This utility model relates to electroacoustic field, is specifically related to a kind of linear vibration motor.
Background technology
Along with the development of communication technology, portable type electronic product, as mobile phone, handheld device or palm multimedia entertainment equipment etc. walk close to the life of people gradually.In these portable type electronic products, generally can do system feedback with vibrating motor, with mobile phone for example, if being in some important occasions such as meeting room, classroom, user wants to immediately receive the information feedback of information or incoming call on the one hand, on the one hand again because the seriousness of residing occasion is without opening sound prompting function, and utilize the vibration of vibrating motor just can meet above-mentioned 2 requirements easily to do information feedback.
Existing vibrating motor, is generally linear vibration motor, after coil electricity, stator can be driven the Lorentz force of stator movement, and oscillator then by the relation of active force Yu counteracting force, is subject to active force in opposite direction, under the impact of this active force, oscillator does linear oscillator.But, traditional linear vibration motor, the produced magnetic line of force ratio of the permanent magnet in oscillator itself is relatively decentralized, can not get utilizing fully, and the relative magnetic flux through coil also can be smaller, and the active force of generation can be smaller, thus affecting vibration sense；On the other hand, attempting utilizing in the process that electric magnet and permanent magnet interaction drive motor vibrations, for some structures adopting two or more permanent magnet, if the mode that still employing level magnetizes, and the shape of permanent magnet is not made the words of any change, slit between permanent magnet and in electric magnet effective magnetic field intensity between magnetic conduction core relatively weak, accordingly, it would be desirable to more weak for existing linear vibration motor effective magnetic field and drive hypodynamic problem to be improved.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of novel linear vibration motor structure, on the one hand by arranging Magnet, and increase arranges magnetic conduction core in coil, thus by the interaction of electric magnet and permanent magnet, increasing magnetic field, improves driving force；On the other hand by permanent magnet being set to polymorphic structure, and adopting oblique magnetizing, increasing effective magnetic field intensity as much as possible, improving driving force further.
To achieve these goals, this utility model by the following technical solutions: a kind of linear vibration motor, including oscillator and the stator that be arranged in parallel with described oscillator；Described oscillator includes balancing weight and the vibrating mass being embedded in described balancing weight, and wherein, described vibrating mass includes at least two block permanent magnets；Described stator includes coil；Magnetic conduction core it is equipped with in described coil；The adjacent face of at least described adjacent permanent magnets forms the axis of the inclined-plane being parallel to each other, described inclined-plane and described magnetic conduction core and forms an acute angle；Described inclined-plane tilts to extend near the direction of corresponding described magnetic conduction core.
Improving as one, described permanent magnet magnetizes along the direction being perpendicular to described inclined-plane.
Improving as one, the magnetic pole of the abutting end of adjacent described permanent magnet is identical；It is provided with conductive magnetic yoke between adjacent described permanent magnet, and, the angle of inclination of described conductive magnetic yoke is identical with the angle of inclination on corresponding described inclined-plane.
Improving as one, the conductive magnetic yoke between adjacent described permanent magnet is arranged with the magnetic conduction core dislocation in described coil；The incline direction of described conductive magnetic yoke points to corresponding described magnetic conduction core.
Improving as one, the described permanent magnet being fixed on described balancing weight is three pieces, is collectively forming the first magnet portion, respectively the first permanent magnet, the second permanent magnet and the 3rd permanent magnet；Described first permanent magnet and described 3rd permanent magnet are parallelogram sturcutre, and described second permanent magnet is trapezium structure.
Improving as one, described first permanent magnet, described second permanent magnet and described 3rd permanent magnet include inclined-plane respectively；Adjacent described inclined-plane is a corresponding described magnetic conduction core jointly, and, each described inclined-plane all tilts to the direction of corresponding described magnetic conduction core.
Improving as one, described coil forms electric magnet with the magnetic conduction core being placed in described coil；Produce the magnetic field of change after the energising of described electric magnet, move reciprocatingly along the direction parallel with described stator by changing the described oscillator of walking always to drive of magnetic field magnetic line.
Improving as one, the end regions of described balancing weight is combined with vibration supporting construction；Described vibration supporting construction is the vibration axis of guide；The accommodating hole being arranged in described balancing weight end is inserted in one end of the described vibration axis of guide, and the other end is fixed on the external shell of described linear vibration motor；The described vibration axis of guide is arranged with to provide the limit spring of elastic-restoring force.
Improving as one, the corner of described balancing weight is provided with the second magnet portion, including four elongated permanent magnets in four corners being respectively embedded into described balancing weight；The direction of vibration of described oscillator is additionally provided with secondary magnet with described element spacing certain distance；The opposite polarity of the end that described secondary magnet is close to each other with described elongated permanent magnet.
Improving as one, the middle position of described balancing weight is provided with shrinkage pool；Described permanent magnet and the conductive magnetic yoke between described permanent magnet are all contained in described shrinkage pool；Described permanent magnet and described conductive magnetic yoke are bonded as one, and fix with described balancing weight gluing；The position of the corresponding described stator of described balancing weight is provided with the avoiding structure dodging described stator；Described coil is connected fixing with flexible circuit board；Described flexible circuit board connects the external circuit of described linear vibration motor.
Compared to existing technologies, linear vibration motor of the present utility model arranges magnetic conduction core in coil, forms electromagnet structure, after energising, electric magnet produces the magnetic field of change, changes the direction of magnetic field magnetic line so that the magnetic line of force is greater concentration of outwardly to be dispersed by this magnetic conduction core；Linear vibration motor of the present utility model also improves to some extent on the oscillator position relationship with stator, it has jumped out the mentality of designing of existing vertical placement permanent magnet and coil, by the permanent magnet horizontal positioned of oscillator, and it is parallel with stator, the abutting end polarity of adjacent permanent magnet is identical, thus the magnetic line of force of the strength concentration permanent magnet repelled each other by the same sex so that stator is obtained in that magnetic flux big as far as possible, improves driving force；What is more important, in this utility model, permanent magnet is provided with inclined-plane, namely adopts polymorphic structure, it is possible to the effective magnetic field intensity of the oblique permanent magnet magnetized is increased, and when magnetizing direction is the direction that edge is perpendicular to inclined-plane, can reach effective magnetic field and maximize；Additionally, inclined-plane tilts both to have can ensure that the maximization of permanent magnet volume near the direction of magnetic conduction core corresponding thereto, can ensure that again magnetic field extends towards the direction of magnetic conduction core in electric magnet, increase the magnetic field intensity between slit and the magnetic conduction core between adjacent permanent magnets to greatest extent.
Accompanying drawing explanation
Fig. 1 is the explosive view of this utility model linear vibration motor structure；
Fig. 2 is the generalized section of this utility model linear vibration motor structure；
Fig. 3-1 is this utility model linear vibration motor coil magnetic line of force distribution schematic diagram when being not powered on；
Fig. 3-2 is the operation principle schematic diagram after this utility model linear vibration motor coil electricity；
Fig. 4 is the magnetic balance principle schematic of this utility model linear vibration motor；
Accompanying drawing labelling therein includes: 1, upper casing, 2, bonnet, 3, balancing weight, 31, elongate slots, 32, accommodating hole, 4, first magnet portion, 41, first permanent magnet, 411, inclined-plane, 412, inclined-plane, 42, second permanent magnet, 421, inclined-plane, 422, inclined-plane, 43, 3rd permanent magnet, 431, inclined-plane, 432, inclined-plane, 5, first electric magnet, 51, coil, 52, magnetic conduction core, 6, elongated permanent magnet, 7, secondary magnet, 8, second electric magnet, 81, secondary coil, 82, secondary magnetic conduction core, 9, baffle plate, 10, the vibration axis of guide, 11, limit spring, 12, flexible circuit board (FPCB), 13, conductive magnetic yoke.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe this utility model content in detail:
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, many details are elaborated.It may be evident, however, that these embodiments can also be realized when not having these details.
This utility model " balancing weight " used when detailed description of the invention is stated may also be referred to as " mass ", refers both to fixing with the permanent magnet producing vibration to strengthen the high-quality of vibration balancing, high desnity metal block.Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail:
Driving hypodynamic problem for existing linear vibration motor, linear vibration motor of the present utility model utilizes the interaction of electric magnet and permanent magnet, and drive motor vibrates.Consult shown in Fig. 1 and Fig. 2, linear vibration motor of the present utility model includes external shell, external shell specifically includes the upper casing 1 and bonnet 2 that combine, upper casing 1 and bonnet 2 complement each other to form has the cavity holding space, oscillator and stator is contained in this cavity, during enforcement, stator is parallel to oscillator and arranges, and stator and oscillator are all arranged at vertical direction.Wherein, oscillator includes balancing weight 3 and the vibrating mass being embedded in balancing weight 3, vibrating mass includes at least two block permanent magnets (being illustrated as three pieces in present embodiment), this three block permanent magnet is collectively forming the first magnet portion 4, during enforcement, the medium position of balancing weight 3 is provided with shrinkage pool structure, and the first magnet portion 4 is just contained in above-mentioned shrinkage pool, is fixed with balancing weight 3 by the mode of gluing；Conductive magnetic yoke 13 it is provided with between the permanent magnet being disposed adjacent, during enforcement, can first by fixing with permanent magnet bonding for conductive magnetic yoke 13, the assembly after then the first magnet portion 4 being combined with conductive magnetic yoke 13 is fixing with balancing weight 3 one.
In this utility model, stator system include coiling coil 51, balancing weight 3 is then provided with the avoiding structure dodging coil 51 accordingly；Magnetic conduction core 52 is accommodated in coil 51, coil 51 is fixed with FPCB (flexible circuit board) 12, and FPCB12 is connected with external circuit, thus can realize foreign current signal and import coil 51, owing to magnetic conduction core 52 is placed in coil 51, when there being current signal to pass through, magnetic conduction core 52 is magnetized, the interphase interaction as electromagnet structure Yu above-mentioned first magnet portion 4 of coil 51 and magnetic conduction core 51, and then promote motor vibrations.
Consult shown in Fig. 2, the first magnet portion 4 shown in present embodiment specifically includes three block permanent magnets, respectively the first permanent magnet the 41, second permanent magnet 42 and the 3rd permanent magnet 43, in order to increase the slit between the permanent magnet being disposed adjacent and the effective magnetic field intensity between magnetic conduction core 52, in this utility model, the adjacent face of adjacent permanent magnets forms the inclined-plane being parallel to each other, the axis of inclined-plane and magnetic conduction core (defined herein as the axis of magnetic conduction core be the central axis through magnetic conduction core, it is perpendicular to the mounting plane at magnetic conduction core place) form an acute angle；Inclined-plane tilts to extend near the direction of corresponding magnetic conduction core.Specific to present embodiment, three block permanent magnets in first magnet portion 4 are polymorphic structure, wherein, first permanent magnet 41 and the 3rd permanent magnet 43 are parallelogram, include inclined-plane (411 respectively, 412 and 431, 432), second permanent magnet 42 is trapezium structure, including inclined-plane 421 and 422, in above-mentioned inclined-plane, 412 and 421 is the adjacent face of the first permanent magnet 41 and the second permanent magnet 42, 422 and 431 is the adjacent face of the second permanent magnet 42 and the 3rd permanent magnet 43, and, one of them (being positioned at left side in Fig. 2) in the common corresponding magnetic conduction core 52 in inclined-plane 412 and inclined-plane 421, another one (being positioned at right side in Fig. 2) in the common corresponding magnetic conduction core 52 in inclined-plane 422 and inclined-plane 431.Preferably, above three permanent magnet all adopts the oblique mode magnetized, concrete magnetizing direction is the direction being perpendicular to corresponding inclined-plane, so easily reach effective magnetic field maximum intensity, simultaneously, each inclined-plane all tilts to the direction of magnetic conduction core 52 corresponding thereto, is ensureing that the maximized direction simultaneously ensureing magnetic field guide magnetic core 52 of permanent magnet volume extends.
Consult Fig. 3-1 and Fig. 3-2 common shown in, in the present embodiment, the magnetic pole identical (being all N pole or S pole) of the adjacent end face of adjacent permanent magnet (the first permanent magnet 41 and second permanent magnet the 42, second permanent magnet 42 and the 3rd permanent magnet 43)；And, the angle of inclination of two conductive magnetic yoke 13 is identical with the angle of inclination on its inclined-plane corresponding respectively, that is, conductive magnetic yoke between the first permanent magnet 41 and the second permanent magnet 42, its angle of inclination is identical with the angle of inclination on inclined-plane 412 and inclined-plane 421, and the angle of inclination of the conductive magnetic yoke between the second permanent magnet 42 and the 3rd permanent magnet 43 is then identical with the angle of inclination on inclined-plane 422 and inclined-plane 431.It is readily understood that, conductive magnetic yoke 13 and the magnetic conduction core 52 in coil 51 are in dislocation arrangement, and the incline direction of conductive magnetic yoke 13 should point to magnetic conduction core 52 corresponding thereto.
It should be noted that the structure shown in Fig. 2 is only an embodiment of the present utility model, it is true that the technical program can be simultaneously suitable for the structure of only two block permanent magnets or other more than two pieces permanent magnets；It addition, the shape of the permanent magnet shown in present embodiment includes parallelogram and trapezium structure, when being embodied as, permanent magnet can be other polymorphic structures, specifically not by the restriction of above-mentioned schematic forms.
Linear vibration motor of the present utility model, its concrete driving principle is as follows:
With reference to shown in Fig. 3-1, linear vibration motor of the present utility model, the polarity of the abutting end of two block permanent magnets adjacent in its first magnet portion 4 identical (level magnetize to magnet), the i.e. order arrangement in S-N, N-S, S-N, certainly, can also being N-S, S-N, N-S order arrangement, conductive magnetic yoke 13 be arranged between adjacent permanent magnet.As it can be seen, when coil 51 is not powered on, the first magnet portion 4 produces magnetostatic field, because of the strength that can produce to repel each other between the two ends that two adjacent permanent magnet polarity is identical, thus produce the magnetic line of force distribution concentrated very much.With reference to shown in Fig. 3-2, after coil 51 is energized, coil 51 and magnetic conduction core 52 produce the magnetic field of change as electric magnet, could alter that the trend of the magnetic line of force in magnetic field, make that the magnetic line of force is greater concentration of outwards to be dispersed by magnetic conduction core 52, in addition inclined-plane extends towards the direction of corresponding magnetic conduction core 52, so that the effective magnetic field intensity between slit and the magnetic conduction core 52 between adjacent permanent magnets increases, magnetic line of force distribution is more concentrated.Magnetic conduction core 52 and conductive magnetic yoke 13 are spaced a distance setting in the horizontal direction, and so when coil 51 is energized, permanent magnet can be produced the power attracting or repelling by electric magnet, and the magnetic line of force can greater concentration of be transmitted to outside by magnetic conduction core 52.
According to the left hand rule (Ampere's law) judging electrical conductor Impact direction in magnetic field, stretch out left hand, make thumb and all the other four finger vertical, and all with palm in the same plane in；Allowing magnetic induction line enter from the centre of the palm, and make four fingers point to sense of current, at this moment the direction of thumb indication is exactly electrified wire direction of suffered Ampere force in magnetic field.The a certain moment, the sense of current in coil 51, it is assumed thatIt is expressed as vertical view towards inner, is denoted asThe sense of current is that vertical view faces out, owing to the coil shown in present embodiment includes two, it is assumed that first coil isWithSecond coil must also beWithNow, according to Ampere's law, it is determined that coil 51 is subject to directed force F to the right, owing to coil 51 is fixed on FPCB, based on the relation of active force Yu counteracting force, then the first magnet portion 4 is subject to reverse directed force F ' (level is to the left).So, the first magnet portion 4 being subject to motive force to the left just drives balancing weight 3 to do motion to the left together.In like manner, when the current direction changes, according to left hand rule, the direction of the magnetic field force F that coil 51 is subject to is for the left, and the first magnet portion 4 is subject in opposite direction with F and that size is identical directed force F ', driving balancing weight to move right together, above-mentioned motion hockets, and makes vibrating mass and the balancing weight 3 of the first magnet portion 4 and conductive magnetic yoke 13 composition be formed in parallel with the linear reciprocal movement of stator.
It should be noted that, two parts electromagnet structure different owing to being provided with effect in present embodiment, for the ease of distinguishing, by above-mentioned electric magnet (i.e. coil 51 in stator and magnetic conduction core 52) called after the first electric magnet for driving, and it is positioned at electric magnet called after second electric magnet of two end regions of motor.
Vibrating motor of the present utility model also includes vibration supporting construction, and this vibration supporting construction is the vibration axis of guide 10, and the end regions of balancing weight 3 offers the accommodating hole 32 of the accommodating vibration axis of guide, and one end of the vibration axis of guide 10 is inserted in this accommodating hole 32；The vibration axis of guide 10 is arranged with limit spring 11, if oscillator is to left movement, so just the limit spring on the left of extruding balancing weight 3, and stretch the limit spring on right side, if it is contrary, limit spring on the right side of then extruding, and stretch the limit spring in left side, limit spring 11 then provides elastic-restoring force for the vibration of oscillator.
It addition, linear vibration motor of the present utility model is additionally provided with magnetic balance structure, it is described as follows:
Four folding corner regions of balancing weight 3 are respectively arranged with elongate slots 31, elongated permanent magnet 6 it is equipped with respectively in four elongate slots 31, four elongated permanent magnets 6 collectively constitute the second magnet portion, elongated permanent magnet 6 is arranged at corner, it is primarily to and keeps balance as far as possible, must assure that elongated permanent magnet 6 has bigger magnetic energy product, to ensure the size of equilibrant simultaneously；Secondary magnet 7 is then installed in the both sides of vibrating mass, and the spacing between itself and elongated permanent magnet 6 should be as far as possible little, to ensure enough equilibrants, but must account for oscillation space is made dodging simultaneously.Linear vibration motor of the present utility model, the both end sides of its major axis is also respectively provided with the second electric magnet 8 structure, including secondary coil 81 and be placed in the iron core 82 in secondary coil 81, second electric magnet 8 is combined with baffle plate 9 near one end of oscillator, the vibration area of oscillator and secondary coil 81 are separated by baffle plate 9, in order to avoid oscillator amplitude is excessive collides secondary coil 81, cause damage.It should be noted that baffle plate 9 described herein is preferably magnetically permeable material.
With reference to shown in Fig. 4, utilize the absorption affinity between elongated permanent magnet 6 and secondary magnet 7, vibrating mass is produced the grip of a level, when vibrating mass deflects, this grip can be transformed into the restoring force contrary with yawing moment, thus reaching the balance of vibrating mass, in this course, it must is fulfilled for the opposite polarity of secondary magnet 7 and the abutting end of adjacent elongated permanent magnet 6, as shown in FIG., the polarity being positioned at the elongated permanent magnet 6 in left side is N-S arrangement, so, the order of polarity of secondary magnet 7 is only N-S, attract each other between S pole and the N pole of elongated permanent magnet 6 of so secondary magnet, produce grip to the left, equally, with above-mentioned left side, reference is illustrated as the magnetic balance structure on right side and principle, repeat no more.
Preferably, magnetic conduction core 52 and secondary magnetic conduction core 82 are preferably iron core.
Preferably, secondary magnet 7 is provided with cushion pad near the side of oscillator, and this cushion pad is preferably elastomeric material, it is possible to avoid with secondary magnet 7, mechanical collision occurring during oscillator vibration.
Preferably, one end of the vibration axis of guide 10 is inserted in the accommodating hole 32 of balancing weight 3, and the other end is fixed on upper casing 1 through baffle plate 9, say, that balancing weight 3 is fixed on external shell indeed through the vibration axis of guide 10 at two ends.
Preferably, the edge of FPCB12 is provided with some grooves, and on bonnet 2, the position of corresponding above-mentioned groove is provided with the buckle structure matched, and FPCB12 is fixedly secured with buckle structure and bonnet 2 by groove.
These are only this utility model case study on implementation, be not limited to this utility model, as long as those of ordinary skill in the art modify or change according to the equivalence that this utility model disclosure is made, all should include in the protection domain recorded in claims.
Claims (10)
1. a linear vibration motor, including oscillator and the stator that be arranged in parallel with described oscillator；Described oscillator includes balancing weight and the vibrating mass being embedded in described balancing weight, it is characterised in that: described vibrating mass includes at least two block permanent magnets；Described stator includes coil；Magnetic conduction core it is equipped with in described coil；The adjacent face of at least described adjacent permanent magnets forms the axis of the inclined-plane being parallel to each other, described inclined-plane and described magnetic conduction core and forms an acute angle；Described inclined-plane tilts to extend near the direction of corresponding described magnetic conduction core.
2. linear vibration motor according to claim 1, it is characterised in that: described permanent magnet magnetizes along the direction being perpendicular to described inclined-plane.
3. linear vibration motor as claimed in claim 2, it is characterised in that: the magnetic pole of the abutting end of adjacent described permanent magnet is identical；It is provided with conductive magnetic yoke between adjacent described permanent magnet, and, the angle of inclination of described conductive magnetic yoke is identical with the angle of inclination on corresponding described inclined-plane.
4. linear vibration motor as claimed in claim 1, it is characterised in that: the conductive magnetic yoke between adjacent described permanent magnet and the magnetic conduction core dislocation arrangement in described coil；The incline direction of described conductive magnetic yoke points to corresponding described magnetic conduction core.
5. linear vibration motor according to claim 1, it is characterised in that: the described permanent magnet being fixed on described balancing weight is three pieces, is collectively forming the first magnet portion, respectively the first permanent magnet, the second permanent magnet and the 3rd permanent magnet；Described first permanent magnet and described 3rd permanent magnet are parallelogram sturcutre, and described second permanent magnet is trapezium structure.
6. linear vibration motor according to claim 5, it is characterised in that: described first permanent magnet, described second permanent magnet and described 3rd permanent magnet include inclined-plane respectively；Adjacent described inclined-plane is a corresponding described magnetic conduction core jointly, and, each described inclined-plane all tilts to the direction of corresponding described magnetic conduction core.
7. linear vibration motor according to claim 1, it is characterised in that: described coil forms electric magnet with the magnetic conduction core being placed in described coil；Produce the magnetic field of change after the energising of described electric magnet, move reciprocatingly along the direction parallel with described stator by changing the described oscillator of walking always to drive of magnetic field magnetic line.
8. linear vibration motor according to claim 1, it is characterised in that: the end regions of described balancing weight is combined with vibration supporting construction；Described vibration supporting construction is the vibration axis of guide；The accommodating hole being arranged in described balancing weight end is inserted in one end of the described vibration axis of guide, and the other end is fixed on the external shell of described linear vibration motor；The described vibration axis of guide is arranged with to provide the limit spring of elastic-restoring force.
9. linear vibration motor according to claim 1, it is characterised in that: the corner of described balancing weight is provided with the second magnet portion, including four elongated permanent magnets in four corners being respectively embedded into described balancing weight；The direction of vibration of described oscillator is additionally provided with secondary magnet with described element spacing certain distance；The opposite polarity of the end that described secondary magnet is close to each other with described elongated permanent magnet.
10. linear vibration motor according to claim 1, it is characterised in that: the middle position of described balancing weight is provided with shrinkage pool；Described permanent magnet and the conductive magnetic yoke between described permanent magnet are all contained in described shrinkage pool；Described permanent magnet and described conductive magnetic yoke are bonded as one, and fix with described balancing weight gluing；The position of the corresponding described stator of described balancing weight is provided with the avoiding structure dodging described stator；Described coil is connected fixing with flexible circuit board；Described flexible circuit board connects the external circuit of described linear vibration motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520742893.7U CN205356110U (en) | 2015-09-23 | 2015-09-23 | Linear vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520742893.7U CN205356110U (en) | 2015-09-23 | 2015-09-23 | Linear vibrating motor |
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| Publication Number | Publication Date |
|---|---|
| CN205356110U true CN205356110U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520742893.7U Withdrawn - After Issue CN205356110U (en) | 2015-09-23 | 2015-09-23 | Linear vibrating motor |
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| Country | Link |
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| CN (1) | CN205356110U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703593A (en) * | 2015-09-23 | 2016-06-22 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN112558290A (en) * | 2019-09-25 | 2021-03-26 | 日本电产株式会社 | Driver and optical scanning device |
-
2015
- 2015-09-23 CN CN201520742893.7U patent/CN205356110U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703593A (en) * | 2015-09-23 | 2016-06-22 | 歌尔声学股份有限公司 | Linear vibration motor |
| CN105703593B (en) * | 2015-09-23 | 2018-02-16 | 歌尔股份有限公司 | Linear vibration motor |
| US10574126B2 (en) | 2015-09-23 | 2020-02-25 | Goertek Inc. | Linear vibration motor |
| CN112558290A (en) * | 2019-09-25 | 2021-03-26 | 日本电产株式会社 | Driver and optical scanning device |
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| 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. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20180216 |
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| AV01 | Patent right actively abandoned |