CN213461487U - Vibration motor - Google Patents
Vibration motor Download PDFInfo
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- CN213461487U CN213461487U CN202022131836.9U CN202022131836U CN213461487U CN 213461487 U CN213461487 U CN 213461487U CN 202022131836 U CN202022131836 U CN 202022131836U CN 213461487 U CN213461487 U CN 213461487U
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- magnetic
- magnetic steel
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- steel
- coil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/34—Reciprocating, oscillating or vibrating parts of the magnetic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Abstract
The utility model provides a vibrating motor, which comprises a shell, a vibrator and a stator, wherein the vibrator and the stator are accommodated in the shell; the solenoid structure includes at least two coils; the magnetic circuit structure comprises a first magnetic steel group and a second magnetic steel group, the first magnetic steel group comprises at least two first magnetic steels, a second magnetic steel arranged on one side of the first magnetic steel and a second magnetic steel arranged on the other side of the first magnetic steel, and the polarities of the magnetic poles of the second magnetic steel and the third magnetic steel facing the first magnetic steel are the same; the second magnetic steel group comprises a fourth magnetic steel, a fifth magnetic steel arranged on one side of the fourth magnetic steel and a sixth magnetic steel arranged on the other side of the fourth magnetic steel, and the polarities of the magnetic poles of the fifth magnetic steel and the sixth magnetic steel facing the fourth magnetic steel are the same; each coil is arranged between the first magnetic steel and the fourth magnetic steel in a facing mode, and the polarity of the magnetic pole of the first magnetic steel facing the coil is the same as the polarity of the magnetic pole of the fourth magnetic steel facing the coil.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of electric machines, especially, relate to a vibrating motor.
[ background of the invention ]
With the development of electronic technology, portable consumer electronic products, such as mobile phones, handheld game consoles, navigation devices or handheld multimedia entertainment devices, are more and more sought after by people, and these electronic products generally use a vibration motor to perform system feedback, such as incoming call prompt, information prompt, navigation prompt, vibration feedback of game consoles, and the like. Such a wide application requires a vibration motor having high performance and long service life.
The vibrating motor in the correlation technique produces the effect of vibration through coil and magnetic structure's interact, but because magnetic steel distribution design is unreasonable of magnetic structure, causes the loss in the magnetic field utilization, moreover, because the vibrating motor in the correlation technique is mostly the single coil structure, causes the drive power between coil and the magnetic structure not enough.
Therefore, it is necessary to provide a novel vibration motor to solve the above problems.
[ Utility model ] content
An object of the utility model is to provide a vibrating motor, this vibrating motor magnetic field utilization ratio is high, and drive power is big.
The technical scheme of the utility model as follows: a vibration motor comprises a shell with a containing space, a vibrator and a stator which are contained in the containing space, wherein one of the vibrator and the stator comprises a solenoid structure, and the other one of the vibrator and the stator comprises a magnetic circuit structure;
the solenoid structure comprises at least two coils;
the magnetic circuit structure comprises a first magnetic steel group and a second magnetic steel group which are respectively arranged on two opposite sides of the coil and are arranged oppositely in the same pole, the first magnetic steel group comprises at least two first magnetic steels with magnetic poles facing the coil, a second magnetic steel which is arranged on one side of the first magnetic steel and has magnetic poles facing the first magnetic steel, and a third magnetic steel which is arranged on the other side of the first magnetic steel and has magnetic poles facing the first magnetic steel, and the polarities of the magnetic poles of the second magnetic steel and the third magnetic steel facing the first magnetic steel are the same; the second magnetic steel group comprises at least two fourth magnetic steels, fifth magnetic steels and sixth magnetic steels, wherein the magnetic poles of the fourth magnetic steels face the coil and are arranged corresponding to the first magnetic steels; each coil is arranged between the first magnetic steel and the fourth magnetic steel in a facing mode, and the polarity of the magnetic poles of the coils, facing the first magnetic steel, is the same as the polarity of the magnetic poles of the coils, facing the fourth magnetic steel.
As an embodiment of the present invention, the first magnetic steel set includes two first magnetic steels, a second magnetic steel clamped between the two first magnetic steels, and two third magnetic steels, and the two first magnetic steels are respectively clamped between the second magnetic steel and the two third magnetic steels; the second magnetic steel group comprises two fourth magnetic steels, a fifth magnetic steel and two sixth magnetic steels, wherein the fifth magnetic steel and the two sixth magnetic steels are clamped between the fourth magnetic steels, and the two fourth magnetic steels are respectively clamped between the fifth magnetic steel and the two sixth magnetic steels.
As an embodiment of the utility model, magnetic circuit structure is still including being used for connecting the first magnetic conductive plate of the one end of first magnet steel group and second magnet steel group and being used for connecting the other end of first magnet steel group and second magnet steel group and with the relative parallel arrangement's of first magnetic conductive plate second magnetic conductive plate, first magnetic conductive plate second magnetic conductive plate first magnet steel group and second magnet steel group enclose to close and form and be used for acceping solenoid structure accept the chamber.
As an embodiment of the utility model, solenoid structure is still including being used for the coiling iron core, the clamp of coil are located two between the coil and the cover establish utmost point core on the iron core and be fixed in the pole shoe at iron core both ends, the coil clamp is located utmost point core with between the pole shoe, two the current flow direction of coil is opposite.
As an embodiment of the present invention, in the axial direction of the iron core, the first magnetic steel and the fourth magnetic steel are in an orthographic projection on the coil is all fallen onto the coil.
As an embodiment of the present invention, the stator is fixed to the housing, and the stator includes the solenoid structure, the vibrator includes the magnetic circuit structure.
As an embodiment of the present invention, the vibrator further includes a counterweight block surrounding the magnetic circuit structure, and the magnetic circuit structure is fixedly disposed on the counterweight block.
As an embodiment of the present invention, the vibration motor further includes an elastic support member accommodated in the housing and suspended to support the vibrator.
As an embodiment of the utility model, elastic support piece is including being fixed in the first fixed arm of balancing weight, being fixed in the second fixed arm and the connection of casing first fixed arm with the elastic arm of second fixed arm.
As an embodiment of the utility model, the casing includes the upper cover plate and the lower apron that relative parallel and interval set up and is used for connecting the upper cover plate with the curb plate of lower apron, the upper cover plate the lower apron and the curb plate encloses to close and forms accommodating space, solenoid structure is fixed in on the lower apron.
The beneficial effects of the utility model reside in that: the solenoid structure or the magnetic circuit structure is driven to vibrate through the interaction of the solenoid structure and the magnetic circuit structure, so that the vibration of the vibration motor is realized, because the magnetic circuit structure comprises a first magnetic steel group and a second magnetic steel group which are respectively arranged at two opposite sides of the coil and have opposite homopolarity, and the first magnetic steel group comprises at least two first magnetic steels, the second magnetic steel group comprises at least two fourth magnetic steels, and the solenoid structure is provided with at least two coils, each coil is arranged between the first magnetic steel and the fourth magnetic steel in a right-faced mode, through the interaction of at least two coils and the magnetic steel group, the driving force generated between the solenoid structure and the magnetic circuit structure can be greatly improved, so that the performance of the vibration motor is better, in addition, because the magnetic pole of the first magnetic steel faces the coil, the magnetic poles of the second magnetic steel and the third magnetic steel face the first magnetic steel, and the polarities of the magnetic poles of the second magnetic steel and the third magnetic steel facing the first magnetic steel are the same; the first magnetic steel group can form at least two magnetic field loops at each first magnetic steel, the coil is arranged at the position opposite to the first magnetic steel, and the magnetic field can better vertically penetrate through the coil, so that the utilization rate of the magnetic field is greatly improved; and then the second magnet steel group can form two at least magnetic field loops in each fourth magnet steel department, and the coil setting is in the just right position with the fourth magnet steel, and then can make the better perpendicular coil that passes in magnetic field, makes the utilization ratio in magnetic field improve greatly.
[ description of the drawings ]
Fig. 1 is a schematic view of an overall structure of a vibration motor according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of the vibration motor of fig. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1;
FIG. 4 is a schematic diagram of the solenoid structure and magnetic circuit structure of FIG. 1;
fig. 5 is a cross-sectional view taken along a-a of fig. 4.
100. A housing; 101. an accommodating space; 110. an upper cover plate; 120. a lower cover plate; 130. a side plate; 200. a vibrator; 210. a magnetic circuit structure; 211. a first magnetic steel group; 2111. a first magnetic steel; 2112. a second magnetic steel; 2113. a third magnetic steel; 212. a second magnetic steel group; 2121. a fourth magnetic steel; 2122. fifth magnetic steel; 2123. a sixth magnetic steel; 213. a first magnetic conductive sheet; 214. a second magnetic conductive sheet; 215. an accommodating cavity; 220. a balancing weight; 300. a stator; 310. a solenoid structure; 311. a coil; 312. an iron core; 313. a pole piece; 314. a pole shoe; 400. an elastic support member; 410. a first fixed arm; 420. a second fixed arm; 430. a spring arm; 440. soldering lugs; 510. a first stopper; 520. and a second limiting block.
[ detailed description ] embodiments
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 5, an embodiment of the present invention provides a vibration motor, which includes a housing 100 having an accommodating space 101, and a vibrator 200 and a stator 300 accommodated in the accommodating space 101, wherein one of the vibrator 200 and the stator 300 includes a solenoid structure 310, and the other of the vibrator 200 and the stator 300 includes a magnetic circuit structure 210, and the vibrator 200 is driven to vibrate through interaction between the stator 300 and the vibrator 200.
Preferably, the stator 300 is fixed to the case 100, and the stator 300 includes a solenoid structure 310 and the vibrator 200 includes a magnetic circuit structure 210.
Referring to fig. 1 and fig. 2, in an embodiment, the housing 100 includes an upper cover plate 110 and a lower cover plate 120 that are disposed in parallel and spaced apart from each other, and a side plate 130 for connecting the upper cover plate 110 and the lower cover plate 120, the upper cover plate 110, the lower cover plate 120, and the side plate 130 enclose the housing space 101, and the stator 300 is fixed on the upper cover plate 110 or the lower cover plate 120.
Preferably, the housing 100 is made of a magnetic conductive material to better guide the magnetic field and improve the utilization rate of the magnetic field.
Referring to fig. 2-5, in an embodiment, the solenoid structure 310 has at least two coils 311, the magnetic structure 210 includes a first magnetic steel group 211 and a second magnetic steel group 212 respectively disposed on two opposite sides of the coil 311 and disposed with opposite homopolarity, the first magnetic steel group 211 includes at least two first magnetic steels 2111 with magnetic poles facing the coil 311, a second magnetic steel 2112 disposed on one side of the first magnetic steel 2111 with magnetic poles facing the first magnetic steel 2111, and a third magnetic steel 2113 disposed on the other side of the first magnetic steel 2111 with magnetic poles facing the first magnetic steel 2111, and the polarities of the magnetic poles of the second magnetic steel 2112 and the third magnetic steel 2113 facing the first magnetic steel 2111 are the same; the second magnetic steel group 212 includes at least two fourth magnetic steels 2121 with magnetic poles facing the coil 311 and arranged corresponding to the first magnetic steel 2111, a fifth magnetic steel 2122 arranged on one side of the fourth magnetic steel 2121 and with magnetic poles facing the fourth magnetic steel 2121, and a sixth magnetic steel 2123 arranged on the other side of the fourth magnetic steel 2121 and with magnetic poles facing the fourth magnetic steel 2121, wherein the fifth magnetic steel 2122 is arranged opposite to the second magnetic steel 2112, the sixth magnetic steel 2123 is arranged opposite to the third magnetic steel 2113, and the magnetic poles of the fifth magnetic steel 2122 and the sixth magnetic steel 2123 facing the fourth magnetic steel 2121 have the same polarity; each coil 311 is disposed opposite to the first magnetic steel 2111 and the fourth magnetic steel 2121, and the polarity of the magnetic pole of the first magnetic steel 2111 facing the coil 311 is the same as the polarity of the magnetic pole of the fourth magnetic steel 2121 facing the coil 311.
In this embodiment, since the magnetic structure 210 includes the first magnetic steel set 211 and the second magnetic steel set 212 respectively disposed on two opposite sides of the coil 311 and disposed with the same poles facing each other, and the first magnetic steel group 211 comprises at least two first magnetic steels 2111, the second magnetic steel group 212 comprises at least two fourth magnetic steels 2121, and the solenoid structure 310 has at least two coils 311, each coil 311 is disposed opposite to and between the first magnetic steel 2111 and the fourth magnetic steel 2121, the interaction between the at least two coils 311 and the magnetic steel set can greatly improve the driving force generated between the solenoid structure 310 and the magnetic circuit structure 210, thereby making the performance of the vibration motor better, and in addition, since the magnetic poles of the first magnetic steel 2111 face the coil 311, and the magnetic poles of the second magnetic steel 2112 and the third magnetic steel 2113 both face the first magnetic steel 2111, the polarities of the magnetic poles of the second magnetic steel 2112 and the third magnetic steel 2113 facing the first magnetic steel 2111 are the same; furthermore, the first magnetic steel group 211 can form at least two magnetic field loops at each first magnetic steel 2111, the coil 311 is disposed at a position opposite to the first magnetic steel 2111, so that the magnetic field can better vertically penetrate through the coil 311, the utilization rate of the magnetic field is greatly improved, similarly, because the magnetic pole of the fourth magnetic steel 2121 faces the coil 311, the magnetic poles of the fifth magnetic steel 2122 and the sixth magnetic steel 2123 face the fourth magnetic steel 2121, and the polarities of the magnetic poles of the fifth magnetic steel 2122 and the sixth magnetic steel 2123 facing the fourth magnetic steel 2121 are the same; and then second magnet steel group 212 can form two at least magnetic field return circuits in every fourth magnet steel 2121 department, and coil 311 sets up in the position just right with fourth magnet steel 2121, and then can make the better perpendicular coil 311 that passes in magnetic field, makes the utilization ratio in magnetic field improve greatly.
It should be noted that, in this embodiment, the two opposite sides of each first magnetic steel 2111 are inevitably provided with a second magnetic steel 2112 and a third magnetic steel 2113, and in addition, the number of the second magnetic steels 2112 and the number of the third magnetic steels 2113 in this embodiment are related to the number of the first magnetic steels 2111.
Referring to fig. 4, in an embodiment, the first magnetic steel group 211 includes two first magnetic steels 2111, a second magnetic steel 2112 sandwiched between the two first magnetic steels 2111, and two third magnetic steels 2113, where the two first magnetic steels 2111 are sandwiched between the second magnetic steel 2112 and the two third magnetic steels 2113, respectively; the second magnetic steel group 212 includes two fourth magnetic steels 2121, a fifth magnetic steel 2122 and two sixth magnetic steels 2123 sandwiched between the two fourth magnetic steels 2121, and the two fourth magnetic steels 2121 are sandwiched between the fifth magnetic steel 2122 and the two sixth magnetic steels 2123, respectively. The magnetic circuit structure 210 in this embodiment can form 6 magnetic field loops, and then each coil 311 can have 4 magnetic field loops to pass through, so that the magnetic field utilization rate is high, and the performance of the vibration motor is better.
Referring to fig. 4, in an embodiment, the magnetic circuit structure 210 further includes a first magnetic conductive plate 213 for connecting one end of the first magnetic steel group 211 and one end of the second magnetic steel group 212, and a second magnetic conductive plate 214 for connecting the other end of the first magnetic steel group 211 and the other end of the second magnetic steel group 212 and disposed opposite to the first magnetic conductive plate 213, and the first magnetic conductive plate 213, the second magnetic conductive plate 214, the first magnetic steel group 211, and the second magnetic steel group 212 surround to form an accommodating cavity 215 for accommodating the solenoid structure 310. The first magnetic conductive plate 213 and the second magnetic conductive plate 214 can guide the magnetic field, thereby further improving the utilization rate of the magnetic field and improving the driving force.
Referring to fig. 5, in an embodiment, the solenoid structure 310 is fixed on the lower cover plate 120, the solenoid structure 310 further includes an iron core 312 for winding the coil 311, a pole core 313 sandwiched between the two coils 311 and sleeved on the iron core 312, and pole shoes 314 fixed at two ends of the iron core 312, the coil 311 is sandwiched between the pole core 313 and the pole shoes 314, and current flow directions of the two coils 311 are opposite. Specifically, since the polarities of the directions of the adjacent two first magnetic steels 2111 toward the magnetic poles are opposite, the directions of the ampere force received by the two coils 311 can be made to be the same by setting the current directions of the two coils 311 to be opposite, thereby improving the driving force.
In one embodiment, in the axial direction of the iron core 312, orthographic projections of the first magnetic steel 2111 and the fourth magnetic steel 2121 on the coil 311 all fall on the coil 311. Further, the magnetic field formed at the first magnetic steel 2111 and the fourth magnetic steel 2121 can penetrate through the coil 311 more, and the utilization rate of the magnetic field is further improved.
Referring to fig. 5, the driving force for driving the vibrator 200 to vibrate by the vibration motor in the present embodiment includes an ampere force and an electromagnetic force, and the driving force for driving the vibrator 200 to vibrate is increased by the superposition of the ampere force and the electromagnetic force. Specifically, current is supplied to the coil 311, and a magnetic field vertically passes through the coil 311, so that an ampere force is generated, and after the current is supplied to the coil 311, the coil 311 is magnetized, and pole shoes 314 at two ends of the iron core 312 are magnetized, so that magnetic interaction occurs between the coil 311 and the first magnetic steel group 211 and the second magnetic steel group 212, so that an electromagnetic force is generated.
Referring to fig. 2 and fig. 3, in an embodiment, the vibrator 200 further includes a weight block 220 disposed around the magnetic structure 210, and the magnetic structure 210 is fixed on the weight block 220.
Referring to fig. 2 and 3, in an embodiment, the vibration motor further includes an elastic supporting member 400 accommodated in the housing 100 and suspending and supporting the vibrator 200.
Referring to fig. 2 and 3, specifically, the elastic supporting member 400 includes a first fixing arm 410 fixed to the weight block 220, a second fixing arm 420 fixed to the housing 100, and an elastic arm 430 connecting the first fixing arm 410 and the second fixing arm 420.
Preferably, the elastic supporting member has two ends respectively disposed at both ends of the weight block 220 in the vibration direction.
Specifically, the first fixing arm 410 and the weight block 220 are welded together by a welding lug 440, and the second fixing arm 420 and the housing 100 are welded together by a welding lug 440.
Referring to fig. 2 and fig. 3, in an embodiment, the vibration motor further includes a first stopper 510 and a second stopper 520 disposed on the lower cover plate 120, and the first stopper 510 and the second stopper 520 are respectively disposed on a moving path of the vibrator 200. The first limiting block 510 and the second limiting block 520 can prevent the vibrator 200 from being damaged due to too large vibration amplitude.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (10)
1. A vibration motor is characterized by comprising a shell with a containing space, a vibrator and a stator which are contained in the containing space, wherein one of the vibrator and the stator comprises a solenoid structure, and the other one of the vibrator and the stator comprises a magnetic circuit structure;
the solenoid structure comprises at least two coils;
the magnetic circuit structure comprises a first magnetic steel group and a second magnetic steel group which are respectively arranged on two opposite sides of the coil and are arranged oppositely in the same pole, the first magnetic steel group comprises at least two first magnetic steels with magnetic poles facing the coil, a second magnetic steel which is arranged on one side of the first magnetic steel and has magnetic poles facing the first magnetic steel, and a third magnetic steel which is arranged on the other side of the first magnetic steel and has magnetic poles facing the first magnetic steel, and the polarities of the magnetic poles of the second magnetic steel and the third magnetic steel facing the first magnetic steel are the same; the second magnetic steel group comprises at least two fourth magnetic steels, fifth magnetic steels and sixth magnetic steels, wherein the magnetic poles of the fourth magnetic steels face the coil and are arranged corresponding to the first magnetic steels; each coil is arranged between the first magnetic steel and the fourth magnetic steel in a facing mode, and the polarity of the magnetic poles of the coils, facing the first magnetic steel, is the same as the polarity of the magnetic poles of the coils, facing the fourth magnetic steel.
2. The vibration motor according to claim 1, wherein: the first magnetic steel group comprises two first magnetic steels, a second magnetic steel and two third magnetic steels, wherein the second magnetic steel and the two third magnetic steels are clamped between the two first magnetic steels; the second magnetic steel group comprises two fourth magnetic steels, a fifth magnetic steel and two sixth magnetic steels, wherein the fifth magnetic steel and the two sixth magnetic steels are clamped between the fourth magnetic steels, and the two fourth magnetic steels are respectively clamped between the fifth magnetic steel and the two sixth magnetic steels.
3. The vibration motor according to claim 2, wherein: the magnetic circuit structure further comprises a first magnetic conductive sheet and a second magnetic conductive sheet, wherein the first magnetic conductive sheet is used for connecting one ends of the first magnetic steel group and the second magnetic steel group, the second magnetic conductive sheet is used for connecting the other ends of the first magnetic steel group and the second magnetic steel group, and the first magnetic conductive sheet and the second magnetic steel group are arranged in parallel relatively, and form an accommodating cavity for accommodating the solenoid structure.
4. The vibration motor according to claim 3, wherein: the solenoid structure is characterized by further comprising iron cores for winding the coils, two clamping coils, pole cores and pole shoes, wherein the pole cores are arranged between the coils and sleeved on the iron cores, the pole shoes are fixed at two ends of the iron cores, the coils are clamped between the pole cores and the pole shoes, and the current flow directions of the two coils are opposite.
5. The vibration motor according to claim 4, wherein: in the axial direction of the iron core, orthographic projections of the first magnetic steel and the fourth magnetic steel on the coil all fall onto the coil.
6. The vibration motor according to any one of claims 1 to 5, wherein: the stator is fixed to the housing, and the stator includes the solenoid structure, and the vibrator includes the magnetic circuit structure.
7. The vibration motor according to claim 6, wherein: the vibrator also comprises a balancing weight which is arranged around the magnetic circuit structure, and the magnetic circuit structure is fixedly arranged on the balancing weight.
8. The vibration motor according to claim 7, wherein: the vibrating motor further comprises an elastic supporting piece which is contained in the shell and is used for supporting the vibrator in a suspension mode.
9. The vibration motor according to claim 8, wherein: the elastic supporting piece comprises a first fixing arm fixed on the balancing weight, a second fixing arm fixed on the shell and an elastic arm connected with the first fixing arm and the second fixing arm.
10. The vibration motor according to claim 6, wherein: the shell comprises an upper cover plate, a lower cover plate and side plates, wherein the upper cover plate and the lower cover plate are arranged in parallel relatively and at intervals, the side plates are used for connecting the upper cover plate and the lower cover plate, the upper cover plate, the lower cover plate and the side plates are enclosed to form the accommodating space, and the solenoid structure is fixed on the lower cover plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022131836.9U CN213461487U (en) | 2020-09-25 | 2020-09-25 | Vibration motor |
| PCT/CN2020/130286 WO2022062144A1 (en) | 2020-09-25 | 2020-11-20 | Vibrating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022131836.9U CN213461487U (en) | 2020-09-25 | 2020-09-25 | Vibration motor |
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| CN213461487U true CN213461487U (en) | 2021-06-15 |
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| CN202022131836.9U Active CN213461487U (en) | 2020-09-25 | 2020-09-25 | Vibration motor |
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| WO (1) | WO2022062144A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004072844A (en) * | 2002-08-02 | 2004-03-04 | Hirofumi Matsumura | Linear dc motor |
| CN205319920U (en) * | 2015-10-23 | 2016-06-15 | 瑞声光电科技(常州)有限公司 | Vibration motor |
| CN106253624B (en) * | 2016-08-12 | 2018-09-28 | 歌尔股份有限公司 | A kind of linear vibrator of double vibrational systems |
| CN106817005A (en) * | 2017-01-20 | 2017-06-09 | 瑞声科技(新加坡)有限公司 | Vibrating motor |
| CN111052574B (en) * | 2017-08-30 | 2022-06-10 | 学校法人工学院大学 | Electromagnetic device |
| CN107919781B (en) * | 2017-11-30 | 2020-02-21 | 歌尔股份有限公司 | Linear vibration motor |
| CN209982310U (en) * | 2019-03-20 | 2020-01-21 | 瑞声科技（南京）有限公司 | Linear motor |
| WO2021000090A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration electric motor |
| WO2021000088A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Vibration motor |
| CN111669022A (en) * | 2020-06-24 | 2020-09-15 | 浙江省东阳市东磁诚基电子有限公司 | Quick-response linear vibration motor structure and implementation method thereof |
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2020
- 2020-09-25 CN CN202022131836.9U patent/CN213461487U/en active Active
- 2020-11-20 WO PCT/CN2020/130286 patent/WO2022062144A1/en active Application Filing
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| WO2022062144A1 (en) | 2022-03-31 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |