CN210167934U - Vibration motor - Google Patents
Vibration motor Download PDFInfo
- Publication number
- CN210167934U CN210167934U CN201921022936.9U CN201921022936U CN210167934U CN 210167934 U CN210167934 U CN 210167934U CN 201921022936 U CN201921022936 U CN 201921022936U CN 210167934 U CN210167934 U CN 210167934U
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- magnetic
- magnetic steel
- coil
- vibrator
- vibration
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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
-
- 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
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
-
- 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
- H02K33/12—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model provides a vibration motor, which comprises a shell, a vibrator and a stator, wherein the vibrator comprises a magnetic circuit structure for vibration, the stator comprises a coil driving the magnetic circuit structure to vibrate, the winding plane of the coil is parallel to the vibration direction of the vibrator, the magnetic circuit structure comprises a first magnetic steel group arranged on one side of the coil along the vibration direction of the vibrator and a second magnetic steel group arranged on the other side of the coil along the vibration direction of the vibrator, the first magnetic steel group and the second magnetic steel group are symmetrically arranged, the first magnetic steel group and the second magnetic steel group both comprise a plurality of arranged magnetic steels, the magnetic steels are magnetized along the direction vertical to the vibration direction of the vibrator, the magnetizing directions of two adjacent magnetic steels are opposite, the magnetizing directions of the magnetic steels in the first magnetic steel group and the second magnetic steel group which are opposite in position are the same. The utility model discloses a vibrating motor has increased driven size makes response speed fast, and the vibration effect is better.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a vibrating motor field especially relates to a vibrating motor.
[ background of the invention ]
A vibration motor is a component that converts electric energy into mechanical energy using a generation principle of electromagnetic force, and is generally installed in a portable mobile device to generate vibration feedback, such as vibration of a mobile phone or vibration feedback of a game machine.
In the related art, the vibration motor generally provides a driving force only by the lorentz force generated by the interaction between the coil and the magnetic field of the magnetic steel to drive the vibrator to vibrate back and forth, but the driving force of the vibration motor is small, and thus the response time of vibration is long.
Therefore, it is necessary to provide a new vibration motor to solve the above problems.
[ Utility model ] content
An object of the utility model is to provide a drive power when oscillator vibrates is big, the vibrating motor that response speed is fast.
The utility model provides a vibration motor, which comprises a shell with an accommodating space, a vibrator and a stator accommodated in the accommodating space, the vibrator includes a magnetic circuit structure for vibration, the stator includes a coil for driving the magnetic circuit structure to vibrate, the winding plane of the coil is parallel to the vibration direction of the vibrator, the magnetic circuit structure comprises a first magnetic steel group arranged on one side of the coil along the vibration direction of the vibrator and a second magnetic steel group arranged on the other side of the coil along the vibration direction of the vibrator, the first magnetic steel group and the second magnetic steel group are symmetrically arranged, the first magnetic steel group and the second magnetic steel group both comprise a plurality of arranged magnetic steels, the magnetic steels are magnetized along the direction vertical to the vibration direction of the vibrator, the magnetizing directions of two adjacent magnetic steels are opposite, the magnetizing directions of the magnetic steels in the first magnetic steel group and the second magnetic steel group which are opposite in position are the same.
Preferably, the magnetic structure further includes a magnetic frame fixedly connected to the magnetic steel, the magnetic frame includes a first magnetic plate attached to the first magnetic steel set and a third magnetic plate attached to the second magnetic steel set, the first magnetic plate is disposed on one side of the first magnetic steel set away from the second magnetic steel set, and the third magnetic plate is disposed on one side of the second magnetic steel set away from the first magnetic steel set.
Preferably, the magnetic conduction frame further includes a second magnetic conduction plate fixed to one end of the first magnetic conduction plate and connected to the third magnetic conduction plate, and a fourth magnetic conduction plate fixed to the other end of the first magnetic conduction plate and connected to the third magnetic conduction plate, and the third magnetic conduction plate and the fourth magnetic conduction plate are arranged in parallel at an interval.
Preferably, the vibrator further includes a counterweight block, the magnetic circuit structure is assembled in the counterweight block, the counterweight block is suspended in the accommodating space, the counterweight block includes two long side walls arranged in parallel at intervals and two short side walls arranged at two ends of the long side walls and connected to the two long side walls, the long side walls and the short side walls are connected end to form an accommodating cavity, and the magnetic conduction frame and the coil are accommodated in the accommodating cavity.
Preferably, the first magnetic conductive plate is clamped between the first magnetic steel group and one of the long side walls, and the second magnetic conductive frame is clamped between the second magnetic steel group and the other of the long side walls.
Preferably, the short lateral wall is followed the both ends of casing direction of height are sunken to be formed with the draw-in groove, vibrating motor still include with the draw-in groove corresponds the stopper that sets up, the stopper with casing fixed connection, the draw-in groove with the stopper cooperation is used for the restriction the displacement volume of oscillator.
Preferably, the first magnetic steel group comprises first magnetic steel and second magnetic steel which are arranged at intervals, and the magnetizing direction of the first magnetic steel is opposite to that of the second magnetic steel; the second magnetic steel group comprises third magnetic steel and fourth magnetic steel which are arranged at intervals, and the magnetizing direction of the third magnetic steel is opposite to that of the fourth magnetic steel; the magnetizing direction of the first magnetic steel is the same as that of the third magnetic steel, and the magnetizing direction of the second magnetic steel is the same as that of the fourth magnetic steel.
Preferably, the stator includes a coil and a soft magnet fixedly connected to the coil, the coil is sleeved on the soft magnet, and the coil is fixedly connected to the housing.
Preferably, the number of the stators is two, the two stators are arranged in an array, and the energizing directions of the coils of the two stators are opposite.
Compared with the prior art, the utility model discloses a vibrating motor's magnetic circuit structure includes that soft magnet and cover are located the coil of soft magnet, and coil week side sets up magnetic conduction frame and magnet steel, the magnetization direction of magnet steel with the vibration direction of oscillator is parallel, produces the electromagnetic force after the stator circular telegram, with the lorentz force of magnet steel superposes mutually, produces the drive power drive the balancing weight vibration has increased driven size makes response speed fast, and the vibration effect is better.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic perspective view of a vibration motor according to a first embodiment;
fig. 2 is an exploded view of the vibration motor shown in fig. 1;
fig. 3 is a cross-sectional view of the loudspeaker shown in fig. 1, taken along the line III-III;
FIG. 4 is a front view of the vibration motor of FIG. 1 without a top wall;
fig. 5(a) is a schematic view of a magnetizing direction of a current direction of the magnetic circuit structure shown in fig. 2;
fig. 5(b) is a schematic view of another current direction of the magnetic circuit structure shown in fig. 2;
FIG. 6 is a magnetic field distribution diagram of a magnetic circuit structure according to an embodiment;
fig. 7 is a schematic view of a magnetic circuit structure according to a second embodiment;
fig. 8 is a schematic diagram of a magnetic circuit structure according to a third embodiment.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, the present invention provides a vibration motor 100, wherein the vibration motor 100 includes a housing 1, a stator 2, a vibrator 3 and an elastic member 4.
The shell 1 comprises a top wall 11, a bottom wall 13 and a side wall 15, wherein the bottom wall 13 is arranged opposite to the top wall 11, the side wall 15 is connected with the top wall 11 and the bottom wall 13, the top wall 11, the bottom wall 13 and the side wall 15 are matched to enclose an accommodating space, and the vibrator 3, the stator 2 and the elastic piece 4 are accommodated in the accommodating space.
The lateral wall 15 includes the long limit 151 that two parallel intervals set up and locates long limit 151 both ends are connected two the two minor faces 153 of long limit 151, long limit 151 with minor face 153 can adopt integrated into one piece, also can adopt split type design and fixed connection.
In this embodiment, the top wall 11 and the side wall 15 are integrally formed, and the bottom wall 13 directly covers the side wall 15, so as to facilitate assembly of the vibration motor 100, and in other embodiments, the side wall 15 and the bottom wall 13 may be integrally formed.
The stator 2 is fixed to the housing 1, specifically, the stator 2 is fixed to the bottom wall 13, the stator 2 includes a coil 21 and a soft magnet 22, a central axis of the coil 21 is parallel to an extending direction of the short side 153, and a winding plane of the coil 21 is parallel to a vibration direction of the vibrator 3, and it should be noted that the winding plane of the coil 21 is a plane corresponding to the coil 21 to wind a coil.
The soft magnet 22 is made of iron-silicon alloy and has a columnar structure, and the coil 21 is sleeved on the outer circumference of the soft magnet 22. When the magnetic coil is installed, the coil 21 is sleeved from one end of the soft magnet 22, and assembly and disassembly are convenient.
After the coil 21 is electrified, the coil 21 and the soft magnet 22 are matched to form an electromagnet, the coil 21 generates a magnetic field to magnetize the soft magnet 22, and the magnetic field generated after the soft magnet 22 is magnetized and the magnetic field of the coil 21 are mutually superposed, so that the magnetism of the coil 21 is greatly increased.
Further, the number of the stators 2 may be plural, the plural stators 2 are mutually arranged along the direction of the long side 151, and the directions of the currents of the coils 21 in two adjacent stators 2 are opposite, and the directions of the generated magnetic fields are also opposite. The magnetic fields generated by the coils 21 of the two stators 2 act on the vibrator 3 at the same time, so that the driving force can be increased, and the vibration effect of the vibrator 3 can be improved.
The vibrator 3 is configured to vibrate, specifically, the vibrator 3 includes a weight 31 and a magnetic structure 33 configured to the weight 31, and the weight 31 is suspended in the accommodating space.
The magnetic structure 33 is driven by the magnetic field of the coil 21 to vibrate, and the weight 31 is used for enhancing the vibration effect of the magnetic structure 33. The counterweight 31 includes two long sidewalls 311 disposed in parallel at an interval and two short sidewalls 313 disposed at two ends of the long sidewalls 311 and connected to the two long sidewalls 311, the long sidewalls 311 and the short sidewalls 313 are connected end to form an accommodating cavity 315, and the stator 2 and the magnetic circuit structure 33 are accommodated in the accommodating cavity 315. The extending direction of the long side wall 311 is the same as the extending direction of the long side 151, and the extending direction of the short side wall 313 is the same as the extending direction of the short side 153. Further, the long side wall 311 is spaced apart from the long side 151, and the short side wall 313 is spaced apart from the short side 153.
Two ends of the short side wall 313 along the height direction of the housing 1 are recessed to form clamping grooves 3130, and the two clamping grooves 3130 are symmetrically arranged at two ends of the short side wall 313. The locking groove 3130 is communicated with the accommodating space, and the locking groove 3130 is disposed on a side of the short sidewall 313 away from the accommodating cavity 315.
The vibration motor 100 further includes a limiting block 5 corresponding to the clamping groove 3130, and the limiting block 5 is fixedly connected to the housing 1. The clamping groove 3130 is matched with the limiting block 5 to limit the displacement of the vibrator 3, so that excessive vibration of the vibrator 3 is avoided. Further, the number of the limit blocks 5 is four, wherein two limit blocks 5 corresponding to the two locking grooves 3130 at the top end of the short side wall 313 are fixedly connected to the top wall 11, and two limit blocks 5 corresponding to the two locking grooves 3130 at the bottom end of the short side wall 313 are fixedly connected to the bottom wall 13.
It is understood that the depth of the card slot 3130 along the X-axis direction is the vibration amount of the vibrator 3, wherein the X-axis direction is the vibration direction of the vibrator 3, i.e., the direction shown by the X-axis in fig. 1 or 2.
The magnetic circuit structure 33 comprises a magnetic conduction frame 331 accommodated in the accommodating cavity 315, a first magnetic steel group 333 arranged on one side of the coil 21 along the vibration direction of the oscillator 3, and a second magnetic steel group 335 arranged on the other side of the coil 21 along the vibration direction of the oscillator 3, wherein the first magnetic steel group 333 and the second magnetic steel group 335 are symmetrically arranged.
Referring to fig. 5, in the present embodiment, the magnetic frame 331 is a rectangular frame structure, and includes a first magnetic plate 3311, a second magnetic plate 3312, a third magnetic plate 3313, and a fourth magnetic plate 3314 connected end to end in sequence, the first magnetic plate 3311, the second magnetic plate 3312, the third magnetic plate 3313, and the fourth magnetic plate 3314 are integrally formed, the first magnetic plate 3311 and the third magnetic plate 3313 are respectively fixed on two opposite long sidewalls 311, and the second magnetic plate 3312 and the fourth magnetic plate 3314 are respectively fixed on two opposite short sidewalls 313. It is understood that the second magnetic conductive plate 3312 is fixed to one end of the first magnetic conductive plate 3311 and connected to the third magnetic conductive plate 3313; the fourth magnetic conductive plate 3314 is fixed to the other end of the first magnetic conductive plate 3311 and connected to the first magnetic conductive plate 3313. Further, first magnetic conductive plate 3311 set up in first magnet steel group 333 is kept away from one side of second magnet steel group 335, second magnetic conductive plate 33 set up in second magnetic steel group 335 is kept away from one side of first magnetic steel group 333.
Specifically, in this embodiment, the first magnetic steel set 333 is fixed to the first magnetic conductive plate 3311, and the second magnetic steel set 335 is fixed to the third magnetic conductive plate 3313. That is, the first magnetic conductive plate 3311 is sandwiched between the first magnetic steel set 333 and one of the long side walls 311, and the third magnetic conductive plate 3313 is sandwiched between the second magnetic steel set 335 and the other of the long side walls 311.
First magnet steel group 333 with second magnet steel group 335 all includes the magnet steel that the range set up more, the magnet steel is along the perpendicular to the vibration direction of oscillator 3 magnetizes, and adjacent two the magnetization direction of magnet steel is opposite, the magnet steel that the position is corresponding in first magnet steel group 333 and the second magnet steel group 335 magnetizes the direction the same.
Specifically, in the present embodiment, the first magnetic steel group 333 includes a first magnetic steel 3331 and a second magnetic steel 3332; the second magnetic steel group 335 comprises a third magnetic steel 3351 and a fourth magnetic steel 3352, wherein the magnetizing direction of the first magnetic steel 3331 is opposite to that of the second magnetic steel 3332, and the magnetizing direction of the first magnetic steel 3331 is the same as that of the third magnetic steel 3351; the magnetizing direction of the fourth magnetic steel 3352 is opposite to that of the third magnetic steel 3352.
Referring to fig. 5(a), to more clearly illustrate the content of the present invention, the magnetizing direction of each magnetic steel is defined as follows:
the side of the first magnetic steel 3331 close to the first magnetic conductive plate 3311 is an S pole, and the side far away from the first magnetic conductive plate 3311 is an N pole;
the side of the second magnetic steel 3332 close to the first magnetic conductive plate 3311 is an N pole, and the side far from the first magnetic conductive plate 3311 is an S pole;
the third magnetic steel 3351 is N-pole on the side close to the first magnetic conductive plate 3311 and S-pole on the side far away from the first magnetic conductive plate 3311.
The fourth magnetic steel 3352 is S-pole on the side close to the second magnetic frame 3312 and N-pole on the side far from the second magnetic frame 3312.
The coil 21 and the soft magnet 22 cooperate to form an electromagnet, electromagnetic force is generated after the electromagnet is powered on, the magnetic circuit structure 33 generates lorentz force, the vibrator 3 is pushed to vibrate in the accommodating space through superposition of the electromagnetic force and the lorentz force, the vibration is conducted to the shell 1 through the elastic piece 4, the shell 1 is driven to vibrate, and vibration inductance is output to the outside through the vibration motor 100. Further, the vibration direction of the vibrator 3 is the extending direction of the long side 151, i.e., the direction indicated by the X axis in fig. 1 or 2. Referring to fig. 5(b), it should be noted that, by adjusting the direction of the current in the coil 21, the direction of the magnetic field of the coil 21 can be changed, so as to change the vibration direction of the vibrator 3.
Referring to fig. 6, the magnetic plate frame 331 is made of a magnetic material, and has a magnetic effect, so that the magnetic induction lines are prevented from being scattered, the lorentz force is enhanced, the vibration force is increased, and the vibration effect of the vibration motor 100 is improved.
One end of the elastic element 4 is fixed to the counterweight 31, and the other end of the elastic element is fixed to the housing 1 and is used for suspending the vibrator 3 in the accommodating space. The joint of the elastic element 4 and the balancing weight 31 and/or the shell 1 is preferably provided with a reinforcing welding piece, which not only can enhance the binding force of the elastic element 4, but also can prevent the elastic element 4 from being excessively bent and broken.
Example two
Referring to fig. 7, compared with the first embodiment, the difference of the present embodiment is:
the magnetic frame 331 omits the structure of the second magnetic plate 3312 and the fourth magnetic plate 3314, and the two ends of the first magnetic plate 3311 and the third magnetic plate 3313 directly abut against the short sidewall 313. That is, the magnetic frame 331 only includes the first magnetic plate 3311 and the third magnetic plate 3313 that are disposed in parallel and spaced apart from each other.
In this embodiment, other structures of the vibration motor 100 are the same as those of the first embodiment, and are not described in detail in this embodiment.
Example two
Referring to fig. 8, compared with the first embodiment, the difference of the present embodiment is:
the first magnetic steel group 333 further includes fifth magnetic steel 3333, the fifth magnetic steel 3333 is disposed on one side of the second magnetic steel 3332 away from the first magnetic steel 3331, and the fifth magnetic steel 3333 and the first magnetic steel 3331 are symmetrically disposed about the second magnetic steel 3332; second magnet steel group 335 still includes sixth magnet steel 3353, sixth magnet steel 3353 set up in fourth magnet steel 3352 is kept away from one side of third magnet steel 3351, just third magnet steel 3351 with sixth magnet steel 3353 is about fourth magnet steel 3352 symmetry sets up.
Further, the magnetizing direction of the fifth magnetic steel 3333 is the same as the magnetizing direction of the first magnetic steel 3331, and the magnetizing direction of the sixth magnetic steel 3353 is the same as the magnetizing direction of the third magnetic steel 3351.
In this embodiment, the number of the stators 2 is two, the two stators 2 may abut against or be spaced apart from each other, and the directions of the currents of the coils 21 in the two stators 2 are opposite, so that the directions of the magnetic fields generated by the coils 21 in the two stators 2 are also opposite.
In this embodiment, other structures of the vibration motor are the same as those of the first embodiment, and this embodiment will not be described again.
In this implementation, through setting up two stators 2, and the electric current direction of two stators 2 is opposite, two the produced magnetic field of coil 21 superposes each other in the stator 2, has strengthened the size of electromagnetic force, has improved the size of drive power, and then has increased vibrating motor's vibration effect.
Compared with the prior art, the utility model discloses a vibrating motor's magnetic circuit structure includes that soft magnet and cover are located the coil of soft magnet, and coil week side sets up magnetic conduction frame and magnet steel, the magnetization direction of magnet steel with the vibration direction of oscillator is parallel, produces the electromagnetic force after the stator circular telegram, with the lorentz force of magnet steel superposes mutually, produces the drive power drive the balancing weight vibration has increased driven size makes response speed fast, and the vibration effect is better.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (9)
1. A vibration motor comprises a housing having a receiving space, a vibrator and a stator received in the receiving space, characterized in that the vibrator comprises a magnetic circuit structure for vibration, the stator comprises a coil for driving the magnetic circuit structure to vibrate, the winding plane of the coil is parallel to the vibration direction of the vibrator, the magnetic circuit structure comprises a first magnetic steel group arranged on one side of the coil along the vibration direction of the vibrator and a second magnetic steel group arranged on the other side of the coil along the vibration direction of the vibrator, the first magnetic steel group and the second magnetic steel group are symmetrically arranged, the first magnetic steel group and the second magnetic steel group both comprise a plurality of arranged magnetic steels, the magnetic steels are magnetized along the direction vertical to the vibration direction of the vibrator, the magnetizing directions of two adjacent magnetic steels are opposite, the magnetizing directions of the magnetic steels in the first magnetic steel group and the second magnetic steel group which are opposite in position are the same.
2. The vibration motor of claim 1, wherein the magnetic structure further includes a magnetic frame fixedly connected to the magnetic steel, the magnetic frame includes a first magnetic plate attached to the first magnetic steel set and a third magnetic plate attached to the second magnetic steel set, the first magnetic plate is disposed on a side of the first magnetic steel set away from the second magnetic steel set, and the third magnetic plate is disposed on a side of the second magnetic steel set away from the first magnetic steel set.
3. The vibration motor of claim 2, wherein the magnetic frame further comprises a second magnetic plate fixed to one end of the first magnetic plate and connected to the third magnetic plate, and a fourth magnetic plate fixed to the other end of the first magnetic plate and connected to the third magnetic plate, and the third magnetic plate and the fourth magnetic plate are arranged in parallel and spaced apart from each other.
4. The vibration motor of claim 3, wherein the vibrator further comprises a weight block, the magnetic circuit structure is assembled in the weight block, the weight block is suspended in the accommodating space, the weight block comprises two long side walls arranged in parallel at intervals and two short side walls arranged at two ends of the long side walls and connected with the two long side walls, the long side walls and the short side walls are connected end to form an accommodating cavity, and the magnetic conduction frame and the coil are accommodated in the accommodating cavity.
5. The vibration motor according to claim 4, wherein the first magnetic conductive plate is sandwiched between the first magnetic steel group and one of the long sidewalls, and the second magnetic conductive frame is sandwiched between the second magnetic steel group and the other of the long sidewalls.
6. The vibration motor according to claim 4, wherein the short side walls are recessed to form clamping grooves along two ends of the housing in the height direction, the vibration motor further comprises a limiting block arranged corresponding to the clamping grooves, the limiting block is fixedly connected with the housing, and the clamping grooves and the limiting block are matched to limit the displacement of the vibrator.
7. The vibration motor of claim 1, wherein the first magnetic steel set comprises a first magnetic steel and a second magnetic steel which are arranged at intervals, and the magnetizing direction of the first magnetic steel is opposite to that of the second magnetic steel; the second magnetic steel group comprises third magnetic steel and fourth magnetic steel which are arranged at intervals, and the magnetizing direction of the third magnetic steel is opposite to that of the fourth magnetic steel; the magnetizing direction of the first magnetic steel is the same as that of the third magnetic steel, and the magnetizing direction of the second magnetic steel is the same as that of the fourth magnetic steel.
8. The vibration motor of claim 1, wherein the stator comprises a coil and a soft magnetic body fixedly connected with the coil, the coil is sleeved on the soft magnetic body, and the coil is fixedly connected with the housing.
9. The vibration motor according to claim 1, wherein the number of the stators is two, the two stators are arranged in an array, and coil energization directions of the two stators are opposite.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/093986 WO2021000090A1 (en) | 2019-06-29 | 2019-06-29 | Vibration electric motor |
| CNPCT/CN2019/093986 | 2019-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210167934U true CN210167934U (en) | 2020-03-20 |
Family
ID=69794004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022936.9U Expired - Fee Related CN210167934U (en) | 2019-06-29 | 2019-07-02 | Vibration motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210167934U (en) |
| WO (1) | WO2021000090A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641322A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN112803697A (en) * | 2021-01-18 | 2021-05-14 | 深圳市泓之发机电有限公司 | Linear drive assembly |
| CN114221511A (en) * | 2021-12-13 | 2022-03-22 | 歌尔股份有限公司 | Vibration device and electronic product |
| WO2022062144A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Vibrating motor |
| US20230015265A1 (en) * | 2019-12-19 | 2023-01-19 | Goertek Inc. | Vibration apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07131967A (en) * | 1993-11-01 | 1995-05-19 | Yuichi Moriki | Flat coil type linear actuator |
| JP6010080B2 (en) * | 2014-10-07 | 2016-10-19 | 日本電産コパル株式会社 | Linear vibration motor |
| CN206524745U (en) * | 2017-01-20 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| CN206834954U (en) * | 2017-01-20 | 2018-01-02 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
| JP2018207553A (en) * | 2017-05-30 | 2018-12-27 | 日本電産セイミツ株式会社 | Vibration motor |
| CN110277890B (en) * | 2019-06-04 | 2020-09-18 | 瑞声科技（南京）有限公司 | Vibration motor |
-
2019
- 2019-06-29 WO PCT/CN2019/093986 patent/WO2021000090A1/en active Application Filing
- 2019-07-02 CN CN201921022936.9U patent/CN210167934U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230015265A1 (en) * | 2019-12-19 | 2023-01-19 | Goertek Inc. | Vibration apparatus |
| CN111641322A (en) * | 2020-06-30 | 2020-09-08 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| CN111641322B (en) * | 2020-06-30 | 2022-03-25 | 歌尔股份有限公司 | Vibration device and electronic apparatus |
| WO2022062144A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Vibrating motor |
| CN112803697A (en) * | 2021-01-18 | 2021-05-14 | 深圳市泓之发机电有限公司 | Linear drive assembly |
| CN112803697B (en) * | 2021-01-18 | 2022-03-25 | 深圳市泓之发机电有限公司 | Linear drive assembly |
| CN114221511A (en) * | 2021-12-13 | 2022-03-22 | 歌尔股份有限公司 | Vibration device and electronic product |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021000090A1 (en) | 2021-01-07 |
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