CN207504660U - A kind of vibration component and linear vibration motor - Google Patents
A kind of vibration component and linear vibration motor Download PDFInfo
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- CN207504660U CN207504660U CN201721753257.XU CN201721753257U CN207504660U CN 207504660 U CN207504660 U CN 207504660U CN 201721753257 U CN201721753257 U CN 201721753257U CN 207504660 U CN207504660 U CN 207504660U
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- hole
- vibration component
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- permanent magnet
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Abstract
The utility model provides a kind of vibration component and linear vibration motor, is related to micro motor technical field.Linear vibration motor includes above-mentioned vibration component.Vibration component includes mass block and permanent magnet, through-hole is offered on mass block, permanent magnet is mounted in through-hole, the opening edge of through-hole open up it is fluted, permanent magnet be mounted on through-hole in after, by injecting bonded adhesives into groove, it can strengthen the bonding strength between permanent magnet and mass block, in the vibration processes of vibration component, permanent magnet will not relative mass block loosen, ensure the normal work of linear vibration motor.
Description
Technical field
The utility model is related to micro motor technical field, in particular to a kind of vibration component and linear oscillator horse
It reaches.
Background technology
At present, mobility consumption electronic product in the market generally can all use vibrating motor as system feedback component,
Such as the incoming call prompting of mobile phone, the vibrational feedback of game machine etc..Existing vibrating motor mainly includes column iron core horse on the market
It reaches, drag cup motor and linear motor.Not only itself is complicated for column iron core motor and drag cup motor, thickness is big, manufacture
Process is more, and motor noise is big, control accuracy is poor.
Now, in order to adapt to the design requirement of the light and portable formula of electric consumers, vibrating motor is also gradually to flat, light
Thin direction is developed.Linear vibration motor refers to that the direction of vibration of oscillator is the motor of straight reciprocating motion, because its vibration is steady, quilt
It is widely used on consumer electrical product.
But in existing linear vibration motor, the bonding strength of permanent magnet and mass block is relatively low, in shaking for vibration component
During dynamic, permanent magnet relative mass block easily occurs loosening, even come off from mass block, and motor is caused to fail.
Utility model content
The utility model provides a kind of vibration component and linear vibration motor, is intended at least partly solve existing linear
In vibrating motor, the technical issues of bonding strength of permanent magnet and mass block is relatively low.
The first technical solution provided by the utility model：
A kind of vibration component includes mass block and permanent magnet, and through-hole, the permanent magnet installation are offered on the mass block
In the through-hole, the opening edge of the through-hole opens up fluted, and the groove is for containing bonded adhesives.
Further, the through-hole is square hole, is offered on opening edge at least one side of the through-hole described recessed
Slot.
Further, the groove is offered in the long side of the opening edge of the through-hole with respect to two.
Further, multiple permanent magnets are arranged along the long side of the via openings edge, it is two neighboring it is described forever
Partition board is provided between magnet, the groove is offered at least one long side of opening edge of the through-hole.
Further, the length of the groove is equal to the length of the long side of the via openings edge.
Further, the quantity of the permanent magnet is multiple, and a permanent magnet is mounted in a through-hole, institute
The opening edge for stating through-hole offers the groove.
Further, the bottom surface of the groove from far from the laterally closer through-hole side of the through-hole one toward the permanent magnetism
Body altitude range is tilted.
Further, side of the bottom surface of the groove far from the through-hole is flushed with the surface of the mass block, described
The depth of groove increases from the side of the laterally closer through-hole far from the through-hole.
Further, depth bounds of the bottom surface of the groove close to the side of the through-hole are 0.1mm to 0.5mm.
Second of technical solution provided by the utility model：
A kind of linear vibration motor includes the vibration component described in the first technical solution.
The advantageous effect of vibration component and linear vibration motor provided by the utility model is：
1. the opening edge of through-hole open up it is fluted, it is viscous by being injected into groove after permanent magnet is mounted in through-hole
Glue is connect, the bonding strength between permanent magnet and mass block can be strengthened, in the vibration processes of vibration component, permanent magnet will not phase
Mass block is loosened, ensures the normal work of linear vibration motor.
2. groove structure is simple, easy making process, at low cost, any harmful effect will not be generated to other component.
Description of the drawings
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of linear vibration motor that the utility model first embodiment provides.
Fig. 2 is along the cutting structure diagram of cutting line A-A in Fig. 1.
Fig. 3 is the decomposition texture schematic diagram of linear vibration motor that the utility model first embodiment provides.
Fig. 4 is the assembling schematic diagram of mass block, permanent magnet and partition board that the utility model first embodiment provides.
Fig. 5 is the structure diagram of mass block that the utility model first embodiment provides.
Fig. 6 is along the cutting structure diagram of cutting line B-B in Fig. 5.
Fig. 7 is the structure diagram of mass block that the utility model second embodiment provides.
Fig. 8 is the structure diagram of mass block that the utility model 3rd embodiment provides.
Icon：1- linear vibration motors；2- casings；3- cover boards；4-FPCB plates；5- coils；The solid limiting sections of 6-；7- elasticity
Support element；8- vibration components；9- mass blocks；10- grooves；11- partition boards；12- permanent magnets；13- cache blocks；14- magnetic conductive boards；15-
Through-hole.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.
Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it is to be appreciated that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship or
The utility model product using when the orientation usually put or position relationship or those skilled in the art usually understand
Orientation or position relationship are for only for ease of description the utility model and simplify description rather than instruction or imply signified set
Standby or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that the utility model
Limitation.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and it is not intended that instruction or hint
Relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
First embodiment
It please refers to Fig.1 to Fig.3, present embodiments provides a kind of linear vibration motor 1, linear vibration motor 1 includes casing
2nd, cover board 3, FPCB plates 4, coil 5, solid limiting section 6, elastic supporting member for supporting optical member 7 and vibration component 8.
The lid of cover board 3 forms accommodation space on casing 2.FPCB plates 4 are mounted on cover board 3 close to the side of casing 2.
One end of FPCB plates 4 is stretched out out of accommodation space, for connecting external power supply.
The quantity of coil 5 is two, and two coils 5 are connected and are connected on FPCB plates 4, and external power supply passes through FPCB plates 4
It powers to coil 5, so as to form electric field.
Vibration component 8 is arranged in accommodation space, and the opposite end of vibration component 8 is connected to machine by elastic supporting member for supporting optical member 7
On shell 2.Vibration component 8 is corresponding with 5 position of coil, is maintained a certain distance between vibration component 8 and coil 5, to reduce by two
Friction between person.Vibration component 8 be in coil 5 formation electric field in, vibration component 8 can under the action of a magnetic force along
The direction for being basically parallel to cover board 3 is of reciprocating vibration, and causes two elastic supporting member for supporting optical member 7 are corresponding to be stretched in vibration processes
And compression.
Two solid limiting sections 6 are arranged in accommodation space and interval is connected on cover board 3, two solid limiting sections 6
In the opposite end of vibration component 8, for limiting the limit travel of 8 horizontal vibration of vibration component, 8 impact machine of vibration component is avoided
Shell 2.
The solid use of limiting section 6 hard material is made, such as stainless steel or use powder metallurgy forming are processed to be formed.
Solid limiting section 6 is welded on cover board 3.Solid limiting section 6 is rectangular parallelepiped structure, the side of area maximum on solid limiting section 6
For bearing the shock of vibration component 8.The height of solid limiting section 6 is more than the distance between cover board 3 and vibration component 8, preferably
Ground, the altitude range of solid limiting section 6 is 0.2mm to 0.9mm.The width range of solid limiting section 6 is 0.5mm to 0.9mm.It is real
The length of heart limiting section 6 is more than the half of 8 width of vibration component.
Solid limiting section 6 and 3 bonding strength of cover board are big, and the intensity of solid limiting section 6 itself is also larger, and service life is long,
The long-term shock of vibration component 8 can be born, ensures that linear vibration motor 1 has good working performance.
In the present embodiment, vibration component 8 includes mass block 9, partition board 11, permanent magnet 12 and cache blocks 13.Mass block 9
Both ends are both provided with cache blocks 13, and cache blocks 13 are made, such as rubber using soft material.The position of cache blocks 13 and solid limit
6 position of position portion corresponds to, and during 8 horizontal vibration of vibration component, cache blocks 13 can rise after solid limiting section 6 is struck
To cushioning effect, the noise of linear vibration motor 1 is reduced.
The quantity of permanent magnet 12 is three, and three permanent magnets 12 are arranged along the length direction of mass block 9, two neighboring permanent magnetism
Partition board 11 is provided between body 12.Through-hole 15 is offered on mass block 9, permanent magnet 12 is mounted in through-hole 15.
By setting three permanent magnets 12, and two coils 5 being connected in series with are set, linear vibration motor 1 can be increased
Reaction speed so that motor is sensitiveer.
In the present embodiment, made in accommodation space close to the side of casing 2 setting magnetic conductive board 14 by increasing magnetic conductive board 14
It obtains the magnetic line of force directly to go back across magnetic conductive board 14, be formed into a loop, and the magnetic line of force can be just formed into a loop without going through casing 2,
Magnetic field intensity is improved so as to have to utilize.
Fig. 4 and Fig. 5 are please referred to, opens up fluted 10 in the long side of opening edge with respect to two of through-hole 15, groove 10
Length be equal to through-hole 15 be open edge long side length.
By injecting bonded adhesives into groove 10, the bonding strength between permanent magnet 12 and mass block 9 can be strengthened, shaken
In the vibration processes of dynamic component 8, permanent magnet 12 will not relative mass block 9 loosen, ensure the normal work of linear vibration motor 1.
Please refer to Fig. 5 and Fig. 6, the bottom surface of groove 10 from far from 15 1 laterally closer 15 side of through-hole of through-hole toward permanent magnet 12
Altitude range is tilted, and the upper surface of permanent magnet 12 is less than to ensure the bottom surface of groove 10 close to the side of through-hole 15.Specifically,
Side of the bottom surface of groove 10 far from through-hole 15 is flushed with the surface of mass block 9, and the depth of groove 10 is from one far from through-hole 15
The side increase of laterally closer through-hole 15.The bottom surface of groove 10 close to the side of through-hole 15 depth bounds for 0.1mm extremely
0.5mm。
In other embodiments, two permanent magnets 12 and a coil 5 can be only set, can equally play driving vibration
The effect that component 8 vibrates.
In other embodiments, groove 10 can also only open up one, as long as a groove 10 can be to all permanent magnets
12 provide bonded adhesives, make have larger bonding strength between all permanent magnets 12 and mass block 9.
Vibration component 8 and linear vibration motor 1 provided in this embodiment open up fluted in the opening edge of through-hole 15
10, after permanent magnet 12 is mounted in through-hole 15, by injecting bonded adhesives into groove 10, permanent magnet 12 and mass block can be strengthened
Bonding strength between 9, in the vibration processes of vibration component 8, permanent magnet 12 will not relative mass block 9 loosen, ensure linear
The normal work of vibrating motor 1.Also, groove 10 is simple in structure, and easy making process is at low cost, and other component will not be generated
Any harmful effect.
Second embodiment
The present embodiment provides a kind of vibration components 8, close with 8 structure of vibration component that first embodiment provides, different
Part is that the structure of mass block 9 is different.
Referring to Fig. 7, being opened up on mass block 9 there are three through-hole 15, separated between two neighboring through-hole 15 by partition board 11.
Mass block 9 is integrally formed.The opening edge of through-hole 15 opens up fluted 10, and groove 10 prolongs along the length direction of mass block 9
It stretches, the groove 10 of three through-holes 15 is mutually communicated.It in this way, can be in the opening edge shape of three through-holes 15 by time processing
Into groove 10.In the present embodiment, mass block 9 forms two grooves 10, two grooves 10 are located at three respectively by processing twice
The opposite both sides of through-hole 15.
In other embodiments, can also be on the basis of mass block 9 provided in this embodiment, the opening only in through-hole 15
Edge opens up groove 10, does not open up groove 10 on the broadside of partition board 11.
The present embodiment also provides a kind of vibration component 8, and vibration component 8 includes the mass block 9 in the present embodiment.The present embodiment
A kind of linear vibration motor 1 is also provided, linear vibration motor 1 includes the vibration component 8 in the present embodiment.
3rd embodiment
The present embodiment provides a kind of vibration components 8, close with 8 structure of vibration component that first embodiment provides, different
Part is that the structure of mass block 9 is different.
Referring to Fig. 8, offering through-hole 15 on mass block 9, through-hole 15 is used to install permanent magnet 12 and partition board 11.Through-hole 15
The long side of upper opening edge with respect to two on open up fluted 10, in the long side of under shed edge with respect to two of through-hole 15
Open up fluted 10.That is, open up fluted 10 in four long sides of through-hole 15.The length of groove 10 is equal to through-hole
The length of the long side of 15 opening edges.
In other embodiments, can also fluted 10 only be opened up in three long sides of through-hole 15.The length of groove 10
Degree might be less that the length of the long side of the opening of through-hole 15 edge, be as long as bonded adhesives can be provided to all permanent magnets 12
It can.
The present embodiment also provides a kind of vibration component 8, and vibration component 8 includes the mass block 9 in the present embodiment.The present embodiment
A kind of linear vibration motor 1 is also provided, linear vibration motor 1 includes the vibration component 8 in the present embodiment.
It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of vibration component, which is characterized in that the vibration component includes mass block (9) and permanent magnet (12), the quality
Through-hole (15) is offered on block (9), the permanent magnet (12) is in the through-hole (15), the opening edge of the through-hole (15)
It is opened up fluted (10) along place, the groove (10) is for containing bonded adhesives.
2. vibration component according to claim 1, which is characterized in that the through-hole (15) be square hole, the through-hole
(15) groove (10) is offered on opening edge at least one side.
3. vibration component according to claim 2, which is characterized in that the opening edge of the through-hole (15) is with respect to two
The groove (10) is offered in long side.
4. vibration component according to claim 2, which is characterized in that multiple permanent magnets (12) are along the through-hole (15)
The long side of opening edge is arranged, and partition board (11) is provided between the two neighboring permanent magnet (12), the through-hole (15)
The groove (10) is offered in opening at least one long side of edge.
5. vibration component according to claim 4, which is characterized in that the length of the groove (10) is equal to the through-hole
(15) length of the long side of opening edge.
6. vibration component according to claim 1, which is characterized in that the quantity of the permanent magnet (12) is multiple, one
For the permanent magnet (12) in a through-hole (15), the opening edge of the through-hole (15) offers the groove
(10)。
7. vibration component according to claim 1, which is characterized in that the bottom surface of the groove (10) is from far from the through-hole
(15) one laterally closer through-hole (15) sides are tilted toward the permanent magnet (12) altitude range.
8. vibration component according to claim 7, which is characterized in that the bottom surface of the groove (10) is far from the through-hole
(15) side is flushed with the surface of the mass block (9), and the depth of the groove (10) is from one far from the through-hole (15)
The side increase of the laterally closer through-hole (15).
9. vibration component according to claim 1, which is characterized in that the bottom surface of the groove (10) is close to the through-hole
(15) depth bounds of side are 0.1mm to 0.5mm.
10. a kind of linear vibration motor, which is characterized in that it is any described that the linear vibration motor includes claim 1 to 9
Vibration component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753257.XU CN207504660U (en) | 2017-12-14 | 2017-12-14 | A kind of vibration component and linear vibration motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721753257.XU CN207504660U (en) | 2017-12-14 | 2017-12-14 | A kind of vibration component and linear vibration motor |
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| Publication Number | Publication Date |
|---|---|
| CN207504660U true CN207504660U (en) | 2018-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834737A (en) * | 2017-12-14 | 2018-03-23 | 四川安和精密电子电器有限公司 | A kind of vibration component and linear vibration motor |
-
2017
- 2017-12-14 CN CN201721753257.XU patent/CN207504660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107834737A (en) * | 2017-12-14 | 2018-03-23 | 四川安和精密电子电器有限公司 | A kind of vibration component and linear vibration motor |
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Address after: No. 261, Eastern Section of Feiyun Avenue, Mianyang High-tech Zone, Sichuan Province, 621000 Patentee after: Sichuan Anhe Precision Electronics and Electrical Appliances Co., Ltd. Address before: No. 261, Eastern Section of Feiyun Avenue, Mianyang High-tech Zone, Sichuan Province, 621000 Patentee before: SICHUAN ANHE PRECISION ELECTRONIC ELECTRICAL APPLIANCES CO., LTD. |