CN205595982U - Linear vibrating motor - Google Patents
Linear vibrating motor Download PDFInfo
- Publication number
- CN205595982U CN205595982U CN201620089288.9U CN201620089288U CN205595982U CN 205595982 U CN205595982 U CN 205595982U CN 201620089288 U CN201620089288 U CN 201620089288U CN 205595982 U CN205595982 U CN 205595982U
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- Prior art keywords
- oscillator
- vibration motor
- peripheral housing
- linear vibration
- upper casing
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model provides a linear vibrating motor, including external shell body to and accept the oscillator in external shell body, the oscillator supports suspension in external shell body by elastic support elements, its characterized in that just is provided with the trompil on the terminal surface to the oscillator direction of vibration at external shell body, and the vibration space of oscillator extends to in the trompil. Utilize above -mentioned utility model, can keep vibration space when increasing the magnetic circuit volume through setting up the trompil on external shell body to improve the vibration performance of motor.
Description
Technical field
This utility model relates to motor technologies field, more specifically, relating to the vibration of a kind of Z-direction
Linear vibration motor.
Background technology
Along with the development of communication technology, portable type electronic product, such as mobile phone, handheld device or palm
Multimedia entertainment equipments etc. enter the life of people.In these portable type electronic products, typically can be with micro-
Type vibrating motor does system feedback, the incoming call prompting of such as mobile phone, the vibrational feedback etc. of game machine.So
And, along with the lightening development trend of electronic product, its internal various components and parts also need to adapt to this become
Gesture, vibrating motor is no exception.
Specifically, Fig. 1 shows the cross-section structure of existing vibrating motor.
As it is shown in figure 1, existing vibrating motor, including housing (include upper casing 2 ' and with upper casing 2 ' phase
Adaptive lower casing 11 ') and the oscillator, stator coil 6 ' and the aid system that are contained in housing, oscillator by
Elastic supporting member for supporting optical member 8 ' supports and is suspended in housing；Wherein, oscillator includes magnetic circuit system and balancing weight 3 ',
Magnetic circuit system farther includes conductive magnetic yoke 4 ', Magnet 5 ' and washer 7 '；Aid system then includes electrical connector
9 ' and cushion pad 10 ' etc..
Understand, due to the existence of external shell, the volume of the magnetic circuit system of existing Z-direction vibrating motor and
Space is all subject to certain restrictions, and the performance of motor is also affected by certain.Therefore, reducing
Guarantee while motor volume that motor performance is not affected, become the difficulty that current this area needs to capture
Topic.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of linear vibration motor, to solve mesh
The problem that the volume of front motor magnetic circuit system and space are all limited by shell.
The linear vibration motor that this utility model provides, including peripheral housing, and is contained in peripheral housing
Interior oscillator, oscillator is supported by elastic supporting member for supporting optical member and is suspended in peripheral housing；Wherein, casing body outside
Just being provided with perforate on the end face to oscillator vibration direction, the oscillation space of oscillator extends in perforate.
Furthermore it is preferred that structure be that oscillator includes magnetic circuit system and sheathed and be fixed on outside magnetic circuit system
The balancing weight of side；One end of elastic supporting member for supporting optical member is fixing with oscillator to be connected, and the other end is fixing with peripheral housing even
Connect.
Furthermore it is preferred that structure be, the size of peripheral opening in shell more than the sectional dimension of magnetic circuit system,
The oscillation space of magnetic circuit system extends in perforate.
Furthermore it is preferred that structure be that peripheral housing includes upper casing and the lower casing suitable with upper casing；Its
In, upper casing is semiclosed cylinder-like structure, and lower casing is fixed on the open end of upper casing；Perforate is arranged on upper casing
Closed End.
Furthermore it is preferred that structure be that elastic supporting member for supporting optical member has elastic deformation space vertically, shakes
Son vertically vibrates under the support of elastic supporting member for supporting optical member；The perforate of peripheral housing is arranged at the position of upper casing
On end face on the upside of magnetic circuit system.
Furthermore it is preferred that structure be that magnetic circuit system includes the conductive magnetic yoke of peviform structure, is housed in conductive magnetic yoke
Interior Magnet and washer, form magnetic gap between the sidewall and Magnet of conductive magnetic yoke；Linear vibration motor is also
Including the stator coil being contained in peripheral housing；Wherein, one end of stator coil is fixed on peripheral housing
On, the other end of stator coil is suspended in magnetic gap.
Furthermore it is preferred that structure be to be combined with on the end face of the direction of vibration of the corresponding oscillator of peripheral housing
Buffer structure, buffer structure includes the cushion pad being positioned on lower casing and the spring washer being positioned on upper casing；Wherein,
Cushion pad is laminated structure；Spring washer is attached at the outside of upper casing perforate.
Furthermore it is preferred that structure be that balancing weight is cirque structure, the inner side of balancing weight and conductive magnetic yoke
Sidewall connects fixing.
Furthermore it is preferred that structure be to be provided with electrical connector between casing body and stator coil outside, fixed
Subcoil turns on electrical connector.
Furthermore it is preferred that structure be that elastic supporting member for supporting optical member is chip type spring, including be connected with peripheral housing
The fixed disk that fixing end is connected with oscillator and the resilient attachment arms between fixing end and fixed disk.
Knowable to technical scheme above, linear vibration motor of the present utility model, by casing body outside
On the spring washer of perforate and correspondence is set, by the perforate of spatially extended to peripheral for oscillator vibration housing, meanwhile,
It also is able to increase the volume of magnetic circuit system, strengthens the vibration sense of linear vibration motor.
Accompanying drawing explanation
By with reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and along with to this practicality
Novel is more fully understood from, and other purpose of the present utility model and result will be more apparent and should be readily appreciated that.
In the accompanying drawings:
Fig. 1 is the cross-section structure of existing motor；
Fig. 2 is the decomposition texture schematic diagram of the linear vibration motor according to this utility model embodiment；
Fig. 3 is the cross-sectional view of the linear vibration motor according to this utility model embodiment.
Reference therein includes: spring washer 1,1 ', upper casing 2,2 ', perforate 21, balancing weight 3,3 ',
Conductive magnetic yoke 4,4 ', Magnet 5,5 ', stator coil 6,6 ', washer 7,7 ', elastic supporting member for supporting optical member 8,8 ',
Electrical connector 9,9 ', cushion pad 10,10 ', lower casing 11,11 '.
The most identical label indicates similar or corresponding feature or function.
Detailed description of the invention
For describing linear vibration motor of the present utility model in detail, below with reference to accompanying drawing to this utility model
Specific embodiment be described in detail.
Fig. 2 shows the decomposition texture of the linear vibration motor according to this utility model embodiment；Fig. 3 shows
Go out the cross-section structure of linear vibration motor according to this utility model embodiment.
As Fig. 2 to Fig. 3 jointly shown in, the Novel vibrating motor of this utility model embodiment, including periphery
Housing, is contained in the oscillator in peripheral housing and stator coil 6, and oscillator is supported by elastic supporting member for supporting optical member 8 and hangs
It is placed in peripheral housing, between casing body and stator coil 6, is provided with electrical connector 9, stator coil outside
One end of 6 is fixed on electrical connector；Wherein, set on casing body just end face to oscillator vibration direction outside
Putting perforate 21, the oscillation space of oscillator may extend in perforate 21.Wherein, electrical connector 9 can be bullet
(Flexible Printed Circuit Board is called for short FPCB or FPC, flexible print wiring for sheet, FPCB
Plate) or the various ways such as conductive plate.
Specifically, oscillator includes magnetic circuit system and sheathed and be fixed on the balancing weight 3 outside magnetic circuit system,
One end of elastic supporting member for supporting optical member 8 is fixing with balancing weight 3 to be connected, and the other end is fixing with peripheral housing to be connected, from
And oscillator is hung in peripheral housing, the vibration being oscillator by elastic supporting member for supporting optical member 8 provides elastic return
Power.Wherein, magnetic circuit system farther includes peviform structure conductive magnetic yoke 4, the magnetic being housed in conductive magnetic yoke 4
Ferrum 5, and be sticked at Magnet 5 away from the washer 7 of conductive magnetic yoke 4 side, at sidewall and the magnetic of conductive magnetic yoke 4
Forming magnetic gap between ferrum 5, the other end of stator coil 6 is suspended in magnetic gap.
In the linear vibration motor that this utility model embodiment provides, conductive magnetic yoke 4 can use high magnetic conduction
Material be made, can fixing with balancing weight 3 by the way of gluing be connected during use, can
To play the effect of heat radiation, it is to avoid during magnetic circuit system work, temperature is too high, it is ensured that the property of linear vibration motor
Can be stable.
Wherein, in stator coil 6, it is passed through current signal, according to lefft-hand rule: stretch out left hand and make thumb
Four refer to perpendicular and in being generally aligned in the same plane with other, allow the magnetic induction line that stator coil 6 produces from palm of the hand stream
Entering, four point to the sense of current being passed through, then the sensing of thumb is the ampere that stator coil 6 is subject to
Force direction.Owing to stator coil 6 is fixed on electrical connector immovable, based on active force and retroaction
The relation of power, magnetic circuit system is by the driving force in opposite direction with stator coil 6.When being passed through stator coil 6
When the interior sense of current changes, the counteracting force direction that magnetic circuit system is subject to also can produce change, above-mentioned fortune
Move alternately, move reciprocatingly in making the oscillator casing body outside of magnetic circuit system and balancing weight 3 composition,
Thus realize the vibration of linear vibration motor.
In linear vibration motor of the present utility model, balancing weight 3 is cirque structure, balancing weight 3
The periphery of the fixing sidewall being fitted in conductive magnetic yoke 4 in inner side.The position of corresponding magnetic circuit system on casing body outside
Perforate 21 is set, simultaneously by balancing weight 3 higher than being set smaller than the height of magnetic circuit system, perforate 21
Size is more than the sectional dimension of magnetic circuit system, in the vibration processes of magnetic circuit system, and can be by the motion of oscillator
Spatially extended in perforate 21, it is possible to maximize oscillator quality, thus in the case of product height being reduced
The vibratory output of holding system；Additionally, arrange perforate outside on casing body also to be able to increase the body of magnetic circuit system
Amass and oscillation space, make stator coil 6 be obtained in that the biggest magnetic flux, strengthen linear oscillator horse
The vibration sense reached.
In another detailed description of the invention of the present utility model, peripheral housing include upper casing 2 and with upper casing 2
Suitable lower casing 11；Wherein, upper casing 2 is semiclosed cylinder-like structure, and its one end is blind end, separately
One end is open end, and lower casing 11 is fixed at the open end of upper casing 2, thus coordinates upper casing 2 to be formed and house
Oscillator and the space of stator coil 6.Wherein, perforate 21 is arranged on the end face of the blind end of upper casing 2, and
Be sticked fixing spring washer 1 in the outside of perforate 21.It should be noted that present embodiment is illustrated that one
The motor (Z-direction herein is vertically, it is also possible to regard the thickness direction of motor as) of Z-direction vibration,
Solving the technical problem that based on this utility model, perforate 21 needs to be arranged at peripheral housing (specifically upper casing
2), on the end face corresponding with oscillator vibration direction, understand in conjunction with Fig. 2 and Fig. 3, in present embodiment,
Perforate 21 is specifically arranged at being positioned on the end face on the upside of magnetic circuit system of upper casing 2.
It addition, also incorporate buffer structure on the end face in the corresponding oscillator vibration direction of casing body outside, slow
Rushing the spring washer 1 that structure includes being positioned on upper casing, wherein, spring washer 1 is the routine in motor product installation process
Demand, as shown in figures 1 and 3, either motor configuration or the motor of the application of prior art is tied
Structure, the outer end of its upper casing 2,2 ' is all combined with a spring washer 1,1 '；Except for the difference that, due to the application
Middle upper casing 2 is additionally provided with perforate 21, is therefore presented as that the spring washer 1 shown in Fig. 3 is attached at outside perforate 21
Side, and perforate 21 is sealed.
In linear vibration motor of the present utility model, the Main Function of spring washer 1 is by buffering and steps up,
So that linear vibration motor transmission seismaesthesia, it is ensured that fall reliability.Additionally, during for avoiding oscillator vibration with
Peripheral housing directly collides, and in linear vibration motor of the present utility model, also includes and Magnet 5
The cushion pad 10 that be positioned at lower casing 11 on corresponding with washer 7 position；Wherein, in electrical connector 9
The heart is provided with through hole, and the position of casing body correspondence through hole is provided with cushion pad 10 and fixes groove, cushion pad outside
10 is spacing in fixing groove, and with the Magnet 5 and washer 7 being positioned at stator coil 6 be positioned at same erect
On straight line, in the vibration processes of oscillator, certain cushioning effect can be played.
Specifically, cushion pad 10 can be silicagel pad etc. other there is certain elastic material.Additionally need
Illustrating, cushion pad 10 ' as shown in Figure 1, it is designed specifically to protruding structure；And this Shen
In please, as Fig. 2 and Fig. 3 jointly shown in, cushion pad 10 is designed as the laminated structure of annular, its end face
It is a plane, the projection embodied in similar prior art is no longer set.
In another detailed description of the invention of the present utility model, elastic supporting member for supporting optical member 8 can use chip type spring,
This chip type spring includes that fixed disk that the fixing end being connected with peripheral housing is connected with oscillator and being positioned at is consolidated
Resilient attachment arms between fixed end and fixed disk, (includes magnetic circuit system by elastic supporting member for supporting optical member 8 by oscillator
And the balancing weight 3 being connected is fixed with magnetic circuit system) be hung in the space that peripheral housing is formed, for oscillator
Vibration the elastic-restoring force of vertically (Z-direction) is provided.
By above-mentioned embodiment it can be seen that this utility model provide linear vibration motor, in periphery
The spring washer of perforate and correspondence is set on housing, the oscillation space of oscillator can be extended to opening of peripheral housing
In hole, simultaneously, it is also possible to increase the volume of magnetic circuit system, make stator coil be obtained in that the biggest
Magnetic flux, strengthens the vibration sense of linear vibration motor, thus in the case of reducing motor product overall dimensions
Keep the vibratory output of motor, it is ensured that the stable performance of product.
Describe in an illustrative manner above with reference to accompanying drawing according to the linear oscillator horse that the utility model proposes
Reach.It will be understood by those skilled in the art, however, that linearly shaken for what above-mentioned this utility model proposed
Dynamic motor, it is also possible to make various improvement on the basis of without departing from this utility model content.Therefore, originally
The protection domain of utility model should be determined by the content of appending claims.
Claims (10)
1. a linear vibration motor, including peripheral housing, and is contained in the oscillator in described peripheral housing, and described oscillator is supported by elastic supporting member for supporting optical member and is suspended in described peripheral housing；It is characterized in that,
Just being provided with perforate on end face to described oscillator vibration direction at described peripheral housing, the oscillation space of described oscillator extends in described perforate.
2. linear vibration motor as claimed in claim 1, it is characterised in that
Described oscillator includes magnetic circuit system and sheathed and be fixed on the balancing weight outside described magnetic circuit system；
One end of described elastic supporting member for supporting optical member is fixing with described oscillator to be connected, and the other end is fixing with described peripheral housing to be connected.
3. linear vibration motor as claimed in claim 2, it is characterised in that
The size of described peripheral opening in shell is more than the sectional dimension of described magnetic circuit system, and the oscillation space of described magnetic circuit system extends in described perforate.
4. linear vibration motor as claimed in claim 1, it is characterised in that
Described peripheral housing includes upper casing and the lower casing suitable with described upper casing；Wherein,
Described upper casing is semiclosed cylinder-like structure, and described lower casing is fixed on the open end of described upper casing；
Described perforate is arranged on the Closed End of described upper casing.
5. linear vibration motor as claimed in claim 2, it is characterised in that
Described elastic supporting member for supporting optical member has elastic deformation space vertically, and described oscillator vertically vibrates under the support of described elastic supporting member for supporting optical member；
The perforate of described peripheral housing is arranged at being positioned on the end face on the upside of described magnetic circuit system of upper casing.
6. linear vibration motor as claimed in claim 5, it is characterised in that
Described magnetic circuit system includes the conductive magnetic yoke of peviform structure, the Magnet being housed in described conductive magnetic yoke and washer, forms magnetic gap between the sidewall and described Magnet of described conductive magnetic yoke；
Described linear vibration motor also includes the stator coil being contained in described peripheral housing；Wherein,
One end of described stator coil is fixed on described peripheral housing, and the other end of described stator coil is suspended in described magnetic gap.
7. linear vibration motor as claimed in claim 5, it is characterised in that
Being combined with buffer structure on the end face of the direction of vibration of the described oscillator of correspondence of described peripheral housing, described buffer structure includes the cushion pad being positioned on lower casing and the spring washer being positioned on upper casing；Wherein,
Described cushion pad is laminated structure, and described spring washer is attached at the outside of described upper casing perforate.
8. linear vibration motor as claimed in claim 6, it is characterised in that
Described balancing weight is cirque structure, and the inner side of described balancing weight is connected fixing with the sidewall of described conductive magnetic yoke.
9. linear vibration motor as claimed in claim 6, it is characterised in that
Being provided with electrical connector between described peripheral housing and described stator coil, described stator coil turns on described electrical connector.
10. linear vibration motor as claimed in claim 1, it is characterised in that
Described elastic supporting member for supporting optical member is chip type spring, the fixed disk being connected with described oscillator including the fixing end being connected with described peripheral housing and the resilient attachment arms between described fixing end and fixed disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089288.9U CN205595982U (en) | 2016-01-28 | 2016-01-28 | Linear vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089288.9U CN205595982U (en) | 2016-01-28 | 2016-01-28 | Linear vibrating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205595982U true CN205595982U (en) | 2016-09-21 |
Family
ID=56928171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620089288.9U Active CN205595982U (en) | 2016-01-28 | 2016-01-28 | Linear vibrating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205595982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484089A (en) * | 2017-07-26 | 2017-12-15 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| WO2021174560A1 (en) * | 2020-03-02 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Linear motor |
-
2016
- 2016-01-28 CN CN201620089288.9U patent/CN205595982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484089A (en) * | 2017-07-26 | 2017-12-15 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| WO2021174560A1 (en) * | 2020-03-02 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Linear motor |
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Legal Events
| 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. |