CN204810038U - Flat vibrating motor - Google Patents
Flat vibrating motor Download PDFInfo
- Publication number
- CN204810038U CN204810038U CN201520548256.6U CN201520548256U CN204810038U CN 204810038 U CN204810038 U CN 204810038U CN 201520548256 U CN201520548256 U CN 201520548256U CN 204810038 U CN204810038 U CN 204810038U
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- Prior art keywords
- base
- fixed
- installing hole
- vibration motor
- brush
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- 238000009434 installation Methods 0.000 claims abstract description 11
- 239000011810 insulating material Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 8
- 239000012634 fragment Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Dc Machiner (AREA)
Abstract
The utility model relates to a flat vibrating motor, including the base, install on the base and form installation space's casing with the base, fix the stator module on the base to and fix the rotor subassembly on the stator module bearing, sliding connection between brush among the stator module and the switching -over piece in the rotor subassembly, the piece that will commutate is installed in a plurality of through -holes of offering on the switching -over base plate of being made by insulating material to the bottom surface of switching -over piece and the bottom surface of switching -over base plate are on same horizontal plane. Rotate the in -process at the rotor subassembly, the top of brush and switching -over base plate bottom or the bottom surface of piece of commutating are in the sliding contact state, and nos collision phenomenon takes place, avoid respectively commutating among the prior art having the clearance between the piece, when the rotor subassembly rotates, cause that brush top and each clearance bump, lead to the fact the phenomenon of brush damage to improve the life of brush, further improve the life of flat motor.
Description
Technical field
The utility model relates to a kind of flat vibration motor, belongs to the technical field of motor.
Background technology
At present, along with the rapid prosperity of electronic communication equipment, portable mobile communication terminal device has incorporated in daily life, everyone carries mobile terminal device and converses anywhere or anytime, such as water machine, panel computer etc., and called function is one of basic function of mobile terminal device, usually when called state, mobile terminal device adopts the tinkle of bells beep pattern to point out user, and vibration sounding pattern is also widely used in the many occasions of people or meeting occasion to point out user.
When adopting vibration sounding mode annunciations user, usually in mobile terminal device, flat vibration motor is installed, flat vibration motor of the prior art, as shown in Figure 1, comprise base 1, to be fixed on base 1 and to form the housing 2 of installing space with base 1, being fixed on the rotating shaft 3 between base 1 and housing 2, rotating shaft 3 is provided with rotor assembly, and is arranged on the stator module on base 1.Wherein, rotor assembly comprises rotating disk 15, is arranged on the coil 8 on rotating disk 15 and eccentric block 9, is fixed on the substrate on bottom rotating disk 15, and be fixed on the some commutator segments 71 circumferentially arranged on base plate bottom and around substrate, there is gap between arbitrary adjacent two commutator segments 71; Stator module to comprise centered by rotating shaft 3 and the magnet ring be fixed on base 1, annular chamber is formed between magnet ring and rotating shaft 3, be embedded in the circuit board 5 on base 1, the input of circuit board 5 is connected with the power supply outside casing 2, and the brush 6 be arranged in annular chamber, the bottom contact jaw of brush 6 is connected with the circuit output end of circuit board 5, and the top contact end of brush 6 is connected with the basal sliding of commutator segment 71.When the circuit input end of circuit board 5 is communicated with casing 2 external power, circuit board 5 by electric current through brush 6, commutator segment 71 conducting to coil 8, now, under the magnetic fields that rotor assembly produces at the magnet ring of stator, be rotated centered by rotating shaft 3, and then drive the eccentric block 9 on rotating disk 15 to vibrate, realize the vibration mode of mobile terminal, remind user.
But, be slidably connected, in rotor assembly rotation process between bottom the brush of above-mentioned flat vibration motor and commutator segment, certain gap is there is between each commutator segment, inevitably, collision is caused in brush top contact end and each gap, easily infringement brush top contact end; If in current lead-through situation, collide for a long time, even also can cause electric spark, bring potential safety hazard, affect the useful life of vibrating motor.
Utility model content
Therefore, technical problem to be solved in the utility model is that each gap overcome between the brush of flat vibration motor of the prior art and commutator segment exists and collides, and fragile brush, even causes electric spark, reduces the defect in motor useful life.Thus the flat vibration motor of a kind of not fragile brush, long service life is provided.
For this reason, the utility model provides a kind of flat vibration motor, comprises
Base, centre has the first mounting groove;
Casing, is arranged on base, and and form installing space between described base, offer the second mounting groove in the first mounting groove position corresponding to described base;
Stator module, comprises
Rotating shaft, top is fixed in the second mounting groove, and bottom is fixed in the first mounting groove;
Toroidal magnet, is fixed on base centered by rotating shaft, and described base, forms annular chamber between rotating shaft;
Circuit board, be fixed between described toroidal magnet and base, circuit input end extends to outside casing, is connected with extraneous power supply;
Brush, be positioned on the base of described annular chamber, one end is fixed on the circuit output end of circuit board, and the other end is connected with the basal sliding of commutator segment, for the electric current in turning circuit plate in coil;
Rotor assembly, comprises
Rotating disk, is fixed in rotating shaft by bearing, rotates centered by rotating shaft, has the first installing hole, the second installing hole, and the 3rd installing hole; Described first installing hole and the second installing hole lay respectively at described rotating shaft both sides, and the 3rd mounting hole site is in the either side of described rotating shaft;
Coil, is at least two, and two coils are arranged on described first installing hole respectively, in the second installing hole.
Eccentric block, is arranged in described 3rd installing hole;
It is characterized in that: also comprise
Commutation substrate, is made up of insulating material, is fixed on bottom described rotating disk, circumferentially offers some through holes around it, and be arranged on the commutator segment in described through hole; The circuit output end at commutator segment top is connected to described coil, and the bottom of the bottom of described commutator segment and commutation substrate is in same level.
Above-mentioned flat vibration motor, the lower surface of described commutation substrate through polishing, to form smooth surface.
Above-mentioned flat vibration motor, described commutation base plate bottom pastes one deck insulation film.
Above-mentioned flat vibration motor, at the top of described eccentric block, or/and bottom is arranged vibration shell fragment.
Above-mentioned flat vibration motor, described cabinet top inwall is arranged annular magnetic steel or magnet steel film, corresponding with the toroidal magnet position on described base.
Above-mentioned flat vibration motor, also comprise for by the weight transfer of rotor assembly to the supporting construction on base.
Above-mentioned flat vibration motor, on the base of described supporting construction between annular magnetic steel outer wall and casing; Comprise the installation portion be fixed on base, and be fixed on the support portion on installation portion; The top of described support portion and described commutation base plate bottom, or bottom rotating disk between be slidably connected.
Above-mentioned flat vibration motor, conically, opening is towards described rotating disk side, and the bottom of its top peripheral surface and described commutation substrate, or be slidably connected between the bottom of rotating disk, is fixed on installation portion bottom it in described support portion.
The flat vibration motor that the utility model provides, compared with flat vibration motor of the prior art, has the following advantages:
(1) flat vibration motor that provides of the utility model, comprises pedestal, is arranged on pedestal and forms the casing of installing space with pedestal, being fixed on the stator module on pedestal, and being fixed on the rotor assembly on stator module bearing; Brush top in stator module and being slidably connected between the bottom of the commutator segment in rotor assembly, the circuit output end at commutator segment top is connected with coil, for by the current lead-through in circuit board in coil, and then drive rotor assembly to rotate, and the vibration of eccentric block.Commutator segment is arranged in some through holes that the commutation substrate be made up of insulating material is offered, and the lower surface of the lower surface of commutator segment and commutation substrate is in same level.In rotor assembly rotation process, brush is in sliding contact state with the lower surface of commutation base plate bottom or commutator segment, in whole rotation process, collisionless phenomenon occurs, and avoids there is gap between each commutator segment in prior art, when rotor assembly rotates, brush top and each gap is caused to collide, cause the phenomenon that brush damages, thus improve the useful life of brush, improve the useful life of flat electric machine further.
(2) flat vibration motor that provides of the utility model, substrate surface will be commutated through polishing, or on commutation base plate bottom, paste one deck insulation film, to form smooth surface, when brush top is contacted with commutation base plate bottom, frictional force is less, prevents abrasion electrical brush top surface.
(3) flat vibration motor that provides of the utility model, at the top of eccentric block, or/and bottom is arranged vibration shell fragment, when rotor assembly rotates, drive eccentric block vibrates, and then eccentric block drives the vibration shell fragment on it to vibrate, the amplitude making flat electric machine is larger, more easily allows the vibration mode of user's perception mobile terminal.
(4) flat vibration motor that provides of the utility model, cabinet top inwall arranges annular magnetic steel or magnet steel film, corresponding with the toroidal magnet position on described base, improve the magnetic field intensity that toroidal magnet produces, increase the active force of rotor assembly applying large, drive rotor assembly to rotate faster, the Oscillation Amplitude of eccentric block also increases accordingly, make the response time of flat electric machine short, react sensitiveer.
(5) flat vibration motor that provides of the utility model, base also establishes supporting construction, for by the weight transfer of rotor assembly to base, prevent the part gravity of rotor assembly to be applied to brush, damage brush.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of flat vibration motor in prior art.
Fig. 2 is the cross-sectional view of the flat vibration motor that the utility model provides.
In figure, mark is expressed as: 1-base, 2-casing, 3-rotating shaft, 4-toroidal magnet, 5-circuit board, 6-brush, 7-commutates substrate, 71-commutator segment, 8-coil, 9-eccentric block, 10-installation portion, 11-support portion, 12-magnet steel film, 13-vibrates shell fragment, 14-bearing, 15-rotating disk, 151-first installing hole, 152-second installing hole, 153-the 3rd installing hole.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, execution mode of the present utility model is described in further detail.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of flat vibration motor, comprises
Base 1, centre has the first mounting groove;
Casing 2, is arranged on base 1, and and form installing space between described base 1, offer the second mounting groove in the first mounting groove position corresponding to described base 1;
Stator module, comprises
Rotating shaft 3, top is fixed in the second mounting groove, and bottom is fixed in the first mounting groove;
Toroidal magnet 4, is fixed on base 1 centered by rotating shaft 3, and described base 1, forms annular chamber between rotating shaft 3;
Circuit board 5, be fixed between described toroidal magnet 4 and base 1, circuit input end extends to outside casing 2, is connected with extraneous power supply;
Brush 6, is positioned on the base 1 of described annular chamber, and one end is fixed on the circuit output end of circuit board 5, and the other end is connected with the basal sliding of commutator segment 71, for the electric current in turning circuit plate 5 in coil 8;
Rotor assembly, comprises
Rotating disk 15, is fixed in rotating shaft 3 by bearing 14, rotates centered by rotating shaft 3, has the first installing hole 151, second installing hole 152, and the 3rd installing hole 153; Described first installing hole 151 and the second installing hole 152 lay respectively at described rotating shaft 3 both sides, and the 3rd installing hole 153 is positioned at the either side of described rotating shaft 3;
Coil 8, is at least two, and two coils 8 are arranged in described first installing hole 151, second installing hole 152 respectively.
Eccentric block 9, is arranged in described 3rd installing hole 153; Also comprise
Commutation substrate 7, is made up of insulating material, is fixed on bottom described rotating disk 15, circumferentially offers some through holes around it, and be arranged on the commutator segment 71 in described through hole; The circuit output end at commutator segment 71 top is connected to described coil 8, and the bottom of the bottom of described commutator segment 71 and commutation substrate 7 is in same level.
The flat vibration motor of this structure, is arranged on commutator segment 71 in some through holes that the commutation substrate 7 be made up of insulating material is offered, and the lower surface of the lower surface of commutator segment 71 and commutation substrate 7 is in same level.The gap be equivalent between each commutator segment 71 is connected by filling insulating material, in rotor assembly rotation process, bottom brush 6 and commutation substrate 7 or the lower surface of commutator segment 71 be in sliding contact state, in whole rotation process, collisionless phenomenon occurs, avoid there is gap between each commutator segment 71 in prior art, when rotor assembly rotates, cause brush 6 top and each clearance impact, brush 6 is caused to damage, thus improve the useful life of brush 6, improve the useful life of flat electric machine further.
In order to make the frictional force between the bottom of the top of brush 6 and commutation substrate 7 on contact-making surface less, preferably, polishing is carried out to the lower surface of commutation substrate 7, to form smooth surface, make brush 6 top less with frictional force when contacting bottom commutation substrate 7, prevent abrasion electrical brush 6 top surface.
As distortion, can also commutation substrate 7 bottom on paste one deck insulation film, to form smooth surface, or commutation substrate 7 bottom treatment is become smooth surface by other, and this smooth surface is other processing modes of state of insulation.
More preferably, at the top of eccentric block 9, bottom is all arranged vibration shell fragment 13, when rotor assembly rotates, drive eccentric block 9 to vibrate, and then eccentric block 9 drive the vibration shell fragment 13 on it to vibrate, the amplitude making flat electric machine is larger, more easily allows the vibration mode of user's perception mobile terminal.In addition, can also only at the top of eccentric block 9, or bottom is above-mentioned arranges vibration shell fragment 13.
Further, casing 2 top inner wall arranges annular magnetic steel, it is corresponding with the position of the toroidal magnet 4 on base 1.Annular magnetic steel on toroidal magnet and base 1 forms the larger magnetic field of intensity jointly, to increase the active force applied rotor assembly, make the rotation of rotor assembly faster, the Oscillation Amplitude of eccentric block 9 also increases accordingly, and then make the response time of flat electric machine short, react sensitiveer.More preferably, only magnet steel film 12 can also be set in casing 2 top inner wall, the intensity that stator module produces magnetic field can be improved on the one hand, the weight not increasing motor on the other hand and the space taken.
In addition, the flat vibration motor of the present embodiment, can also comprise for by the weight transfer of rotor assembly to the supporting construction on base 1.
Specifically, on the base 1 of supporting construction between annular magnetic steel 4 outer wall and casing 2, it comprises the installation portion 10 be fixed on base 1, and is fixed on the support portion 11 on installation portion 10; And the top of support portion 11 and commutation substrate 7 bottom between be slidably connected.Be convenient to the gravity of rotor assembly to be passed on base 1 through supporting construction, prevent the part gravity of rotor assembly to be applied on the top of brush 6, damage brush 6, affect the normal use of whole motor.Can also be slidably connected between the top of support portion 11 and the bottom of rotating disk 15.
More specifically, preferentially described support portion 11 is designed to taper shape, opening is towards described rotating disk 15 side, and the bottom of its top peripheral surface and described commutation substrate 7, is fixed on bottom it on installation portion 10.Support portion 11, except being designed to taper shape, can also be other shapes U-shaped, V-type, W type etc.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range that the utility model creates.
Claims (8)
1. a flat vibration motor, comprises
Base (1), centre has the first mounting groove;
Casing (2), is arranged on base (1), and and form installing space between described base (1), offer the second mounting groove in the first mounting groove position corresponding to described base (1);
Stator module, comprises
Rotating shaft (3), top is fixed in the second mounting groove, and bottom is fixed in the first mounting groove;
Toroidal magnet (4), be fixed on base (1), and described base (1), rotating shaft forms annular chamber between (3) centered by rotating shaft (3);
Circuit board (5), be fixed between described toroidal magnet (4) and base (1), circuit input end extends to casing (2) outward, is connected with extraneous power supply;
Brush (6), be positioned on the base (1) of described annular chamber, one end is fixed on the circuit output end of circuit board (5), the other end is connected with the basal sliding of commutator segment (71), for the electric current in turning circuit plate (5) in coil (8);
Rotor assembly, comprises
Rotating disk (15), be fixed in rotating shaft (3) by bearing (14), rotate centered by rotating shaft (3), there is the first installing hole (151), second installing hole (152), and the 3rd installing hole (153); Described first installing hole (151) and the second installing hole (152) lay respectively at described rotating shaft (3) both sides, and the 3rd installing hole (153) is positioned at the either side of described rotating shaft (3);
Coil (8), is at least two, and two coils (8) are arranged on described first installing hole (151) respectively, in the second installing hole (152);
Eccentric block (9), is arranged in described 3rd installing hole (153);
It is characterized in that: also comprise
Commutation substrate (7), is made up of insulating material, is fixed on described rotating disk (15) bottom, circumferentially offers some through holes around it, and be arranged on the commutator segment (71) in described through hole; The circuit output end at commutator segment (71) top is connected to described coil (8), and the bottom of the bottom of described commutator segment (71) and commutation substrate (7) is in same level.
2. flat vibration motor according to claim 1, other are characterised in that: the lower surface of described commutation substrate (7) through polishing, to form smooth surface.
3. flat vibration motor according to claim 1, is characterized in that: on described commutation substrate (7) bottom, paste one deck insulation film.
4. according to the arbitrary described flat vibration motor of claim 1-3, it is characterized in that: at the top of described eccentric block (9), or/and bottom is arranged vibration shell fragment (13).
5. flat vibration motor according to claim 4, it is characterized in that: described casing (2) top inner wall is arranged annular magnetic steel or magnet steel film (12), corresponding with toroidal magnet (4) position on described base (1).
6. flat vibration motor according to claim 4, is characterized in that: also comprise for by the weight transfer of rotor assembly to the supporting construction on base (1).
7. flat vibration motor according to claim 6, is characterized in that: described supporting construction is positioned on the base (1) between annular magnetic steel outer wall and casing (2); Comprise the installation portion (10) be fixed on base (1), and be fixed on the support portion (11) on installation portion (10); The top of described support portion (11) and described commutation substrate (7) bottom, or be slidably connected between rotating disk (15) bottom.
8. flat vibration motor according to claim 7, it is characterized in that: described support portion (11) conically, opening is towards described rotating disk (15) side, the bottom of its top peripheral surface and described commutation substrate (7), or be slidably connected between the bottom of rotating disk (15), be fixed on bottom it on installation portion (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548256.6U CN204810038U (en) | 2015-07-27 | 2015-07-27 | Flat vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548256.6U CN204810038U (en) | 2015-07-27 | 2015-07-27 | Flat vibrating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204810038U true CN204810038U (en) | 2015-11-25 |
Family
ID=54594795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520548256.6U Expired - Fee Related CN204810038U (en) | 2015-07-27 | 2015-07-27 | Flat vibrating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204810038U (en) |
-
2015
- 2015-07-27 CN CN201520548256.6U patent/CN204810038U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200630 Address after: 235000 Xincai Industrial Park, Lishan Economic Development Zone, Huaibei City, Anhui Province Patentee after: JINLONG MACHINERY & ELECTRONICS (HUAIBEI) CO.,LTD. Address before: 325603 Jinlong Science Park, approach Avenue, North white elephant Town, Yueqing, Zhejiang, Wenzhou Patentee before: JINLONG MACHINERY AND ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |