CN110445342A - Linear vibration electric motor - Google Patents
Linear vibration electric motor Download PDFInfo
- Publication number
- CN110445342A CN110445342A CN201910578354.7A CN201910578354A CN110445342A CN 110445342 A CN110445342 A CN 110445342A CN 201910578354 A CN201910578354 A CN 201910578354A CN 110445342 A CN110445342 A CN 110445342A
- Authority
- CN
- China
- Prior art keywords
- fixed
- electric motor
- linear vibration
- fixed part
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H02K33/18—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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present invention provides a kind of linear vibration electric motors, including the shell with accommodating space, it is fixed on the coil of the shell, by the coil drive vibration unit and the vibration unit supported and be suspended in the spring part of the accommodating space, the spring part includes two the first fixed parts for being fixedly connected and being oppositely arranged with the vibration unit, it is fixedly connected with the casing and two the second fixed parts being oppositely arranged and four elastic portions for connecting adjacent first fixed part and second fixed part, two first fixed parts and two second fixed parts connect to form cyclic structure by four elastic portions, spring part further includes two interconnecting pieces, the both ends of interconnecting piece are fixedly connected with the elastic portion for being located at the second fixed part both ends respectively.Compared with the relevant technologies, a possibility that linear vibration electric motor provided by the invention, the rigidity of the spring part is strong, good product consistency, oscillator are flipped during exercise, is low and can effectively reduce noise ratio.
Description
[technical field]
The present invention relates to technical field of motors more particularly to a kind of linear vibration electric motors.
[background technique]
With the development of electronic technology, portable consumer electronic product is increasingly pursued by people, such as mobile phone, palm
Game machine, navigation device or palm multimedia entertainment equipment etc., these electronic products generally can all use linear vibration electric motor
Do system feedback, such as incoming call prompting, information alert, navigation hint, the vibrational feedback of game machine of mobile phone etc..It is so extensive
Using then higher and higher to the performance requirement of linear vibration electric motor.
The linear vibration electric motor of the relevant technologies include the shell with accommodating space, the coil for being fixed on the shell, by
The vibration unit of the coil drive and the vibration unit is supported to and is suspended in the spring part of the accommodating space, the bullet
Spring part include two the first fixed parts being fixedly connected with the vibration unit, two be fixedly connected with the shell it is second solid
Determine the elastic portion in portion and connection first fixed part and second fixed part.
However, the spring part of the linear vibration electric motor of the relevant technologies is moulded longer, the elastic portion is equal
It is arc-shaped for length, cause the rigidity of the spring part lower, is easily deformed in punching press and assembling, homogeneity of product is poor；Institute
The flatness for stating spring part is poor, so that oscillator is easy to happen overturning during exercise；And two or three rank mode of the spring part are only
20HZ is differed, is easier to excite in mode, influences product yield.
Therefore, it is necessary to provide the new linear vibration electric motor of one kind to solve the above problems.
[summary of the invention]
The technical problem to be solved by the present invention is to for the moulded longer, rigidity of spring part described in the relevant technologies compared with
Low, the disadvantages of flatness is poor, two or three order frequencies are closer, the present invention provides a kind of rigidity of spring part strong, homogeneity of product
The linear vibration electric motor low and that noise ratio can be effectively reduced of a possibility that good, oscillator is flipped during exercise.
A kind of linear vibration electric motor, including with accommodating space shell, be fixed on the shell coil, by the line
It encloses the vibration unit of driving and the vibration unit is supported to and is suspended in the spring part of the accommodating space, the spring part packet
Two the first fixed parts for being fixedly connected and being oppositely arranged with the vibration unit are included, are fixedly connected with the shell and are set relatively
Four elastic portions of two the second fixed parts and connection adjacent first fixed part and second fixed part set, two institutes
It states the first fixed part and two second fixed parts connects to form cyclic structure by four elastic portions, the spring part
It further include two interconnecting pieces, the both ends of the interconnecting piece are fixed with the elastic portion for being located at second fixed part both ends respectively
Connection.
Preferably, two first fixed parts are symmetrical arranged, and two second fixed parts are symmetrical arranged, and the bullet
Spring part is symmetrical arranged about the line of two first fixed parts and/or two second fixed parts.
Preferably, first fixed part, second fixed part, the elastic portion and the interconnecting piece are integrally formed.
Preferably, the spring part further includes the baffle that second fixed part two sides are set to along direction of vibration, described
Second fixed part is fixedly connected by the baffle with the shell.
Preferably, second fixed part is welded and fixed with the baffle.
Preferably, the vibration unit includes main magnet steel assigned in the magnetic bowl center of magnetic bowl, group, positioned at the main magnet steel
Two of opposite sides secondary magnet steel are set to main pole core of the main magnet steel far from magnetic bowl side and are set to the secondary magnetic
Two consequent pole cores of the steel far from magnetic bowl side, first fixed part are fixedly connected with the consequent pole core.
Preferably, first fixed part is welded and fixed with the consequent pole core.
Preferably, side of the consequent pole core far from first fixed part and the secondary magnet steel connect by the way that glue is fixed
It connects.
Preferably, two consequent pole cores are symmetrical arranged about the main pole core.
Compared with the relevant technologies, linear vibration electric motor of the invention is made by the way that two interconnecting pieces are arranged in the spring part
The both ends for obtaining the interconnecting piece are fixedly connected with the elastic portion for being located at second fixed part both ends respectively, are increased described
The intensity of spring part avoids the spring part in punching press and deformation when assembled, enhances the consistency of product；Pass through increase
Two interconnecting pieces, enhance the flatness of the spring part, avoid oscillator and are flipped during exercise；So that the bullet
Spring part has reached 60HZ in the difference of two or three rank mode, reduces a possibility that it is excited in mode, while can be effective
Reduce noise ratio.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the schematic perspective view of linear vibration electric motor provided by the invention；
Fig. 2 is that linear vibration electric motor provided by the invention hides the schematic perspective view after the shell；
Fig. 3 is the stereochemical structure decomposing schematic representation of linear vibration electric motor provided by the invention；
Fig. 4 is enlarged drawing of the linear vibration electric motor shown in Fig. 3 at III.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, the present invention provides a kind of linear vibration electric motor 100, the linear vibration electric motors
100 include the shell 10 with accommodating space, the coil 30 for being fixed on the shell 10, the vibration list driven by the coil 30
Member 50 and the vibration unit 50 is supported and is suspended in the spring part 70 of the accommodating space.
Fig. 3 is please referred to, the vibration unit 50 includes the main magnet steel of magnetic bowl 51, group assigned in 51 center of magnetic bowl
53, positioned at two of main 53 opposite sides of magnet steel secondary magnet steel 55, be set to the main magnet steel 53 far from the magnetic bowl 51 1
The main pole core 57 of side and it is set to the secondary two consequent pole cores 59 of the magnet steel 55 far from 51 side of magnetic bowl.Wherein, the master
Magnet steel 53 and the secondary interval of magnet steel 55 setting form magnetic gap, and the coil 30 is inserted into the magnetic gap and drives the vibration
Moving cell 50 vibrates.
The consequent pole core 59 is fixedly connected with the secondary magnet steel 55 and the spring part 70 respectively along the two sides of direction of vibration.
Specifically, side of the consequent pole core 59 far from the spring part 70 is fixedly connected with the secondary magnet steel 55 by glue.
Preferably, the consequent pole core 59 is symmetrical arranged about the main pole core 57.
Fig. 4 is please referred to, the spring part 70 includes two for being fixedly connected and being oppositely arranged with the vibration unit 50
A first fixed part 71, two the second fixed parts 73 for being fixedly connected and being oppositely arranged with the shell 10, connect it is adjacent described
Four elastic portions 75, interconnecting piece 77 and the baffle 79 of first fixed part 71 and second fixed part 73.Wherein, two described
One fixed part 71 and two second fixed parts 73 form cyclic structure by four connections of elastic portions 75, and described the
One fixed part 71, second fixed part 73, the elastic portion 75 and the interconnecting piece 77 are integrally formed.
Preferably, two first fixed parts 71 are symmetrical arranged, and two second fixed parts 73 are symmetrical arranged, and institute
Spring part 70 is stated to be symmetrical arranged about the line of two first fixed parts 71 and/or two second fixed parts 73.
First fixed part 71 is welded and fixed with the consequent pole core 59.
The quantity of the elastic portion 75 is four, and the elastic portion 75 is that length is arc-shaped.The elastic portion 75 is vacantly set
It is placed in the accommodating space, and the elastic portion 75 has preferable resilience performance.Therefore, the linear vibration electric motor 100
The vibration unit 50 is suspended in the accommodating space by the elastic portion 75.
The quantity of the interconnecting piece 77 is two, and the both ends of the interconnecting piece 77 are respectively and positioned at second fixed part
The elastic portion 75 at 73 both ends is fixedly connected.
By the way that the interconnecting piece 77 is arranged between the elastic portion 75 at 73 both ends of the second fixed part.Firstly, strong
The rigidity for having changed the spring part 70 avoids the spring part 70 in punching press and deformation when assembled, enhances the one of product
Cause property；Secondly, enhancing the flatness of the spring part 70, avoids oscillator and be flipped during exercise；Finally, making described
Spring part 70 has reached 60HZ in the difference of two or three rank mode, reduces a possibility that it is excited in mode, while can
Noise ratio is effectively reduced.
The baffle 79 is set to the two sides of second fixed part 73 along direction of vibration, and second fixed part 73 passes through
The baffle 79 is fixedly connected with the shell 10.It can be the spring part 70 because the baffle 79 has certain thickness
Activity space is provided on direction of vibration.
Preferably, second fixed part 73 is welded and fixed with the baffle 79.
Compared with the relevant technologies, linear oscillator electricity of the invention, 100 by being arranged two interconnecting pieces in the spring part 70
77, connect so that the both ends of the interconnecting piece 77 are fixed with the elastic portion 75 for being located at 73 both ends of the second fixed part respectively
It connects, increases the intensity of the spring part 70, avoid the spring part 70 in punching press and deformation when assembled, enhance product
Consistency；By increasing by two interconnecting pieces 77, the flatness of the spring part 70 is enhanced, oscillator is avoided and is moving
When be flipped；So that the spring part 70 has reached 60HZ in the difference of two or three rank mode, reduces it and swashed in mode
A possibility that hair, while can be effectively reduced noise ratio.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (9)
1. a kind of linear vibration electric motor, including with accommodating space shell, be fixed on the shell coil, by the coil
The vibration unit of driving and the vibration unit is supported to and is suspended in the spring part of the accommodating space, the spring part includes
Two the first fixed parts being fixedly connected and be oppositely arranged with the vibration unit are fixedly connected and are oppositely arranged with the shell
Two the second fixed parts and connect adjacent first fixed part and second fixed part four elastic portions, described in two
First fixed part and two second fixed parts connect to form cyclic structure by four elastic portions, which is characterized in that
The spring part further includes two interconnecting pieces, and the both ends of the interconnecting piece are respectively and positioned at described in second fixed part both ends
Elastic portion is fixedly connected.
2. linear vibration electric motor according to claim 1, which is characterized in that two first fixed parts are symmetrical arranged,
Two second fixed parts are symmetrical arranged, and the spring part is about two first fixed parts and/or two described the
The line of two fixed parts is symmetrical arranged.
3. linear vibration electric motor according to claim 1, which is characterized in that first fixed part, described second are fixed
Portion, the elastic portion and the interconnecting piece are integrally formed.
4. linear vibration electric motor according to claim 1, which is characterized in that the spring part further includes setting along direction of vibration
It is placed in the baffle of second fixed part two sides, second fixed part is fixedly connected by the baffle with the shell.
5. linear vibration electric motor according to claim 4, which is characterized in that second fixed part and the baffle weld
It is fixed.
6. linear vibration electric motor according to claim 1, which is characterized in that the vibration unit includes that magnetic bowl, group are assigned in
The main magnet steel in the magnetic bowl center, positioned at two of the main magnet steel opposite sides secondary magnet steel, to be set to the main magnet steel separate
The main pole core of magnetic bowl side and the secondary two consequent pole cores of the magnet steel far from magnetic bowl side are set to, described first is solid
Determine portion to be fixedly connected with the consequent pole core.
7. linear vibration electric motor according to claim 6, which is characterized in that first fixed part and the consequent pole core weld
Connect fixation.
8. linear vibration electric motor according to claim 7, which is characterized in that the consequent pole core is far from first fixed part
Side be fixedly connected with the secondary magnet steel by glue.
9. linear vibration electric motor according to claim 8, which is characterized in that two consequent pole cores are about the main pole core
It is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578354.7A CN110445342A (en) | 2019-06-28 | 2019-06-28 | Linear vibration electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910578354.7A CN110445342A (en) | 2019-06-28 | 2019-06-28 | Linear vibration electric motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110445342A true CN110445342A (en) | 2019-11-12 |
Family
ID=68428822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910578354.7A Pending CN110445342A (en) | 2019-06-28 | 2019-06-28 | Linear vibration electric motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110445342A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655696A (en) * | 2016-11-30 | 2017-05-10 | 歌尔股份有限公司 | Linear vibration motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488681U (en) * | 2012-01-11 | 2012-10-10 | 瑞声光电科技(常州)有限公司 | Sounder |
| CN205960928U (en) * | 2016-07-21 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Linear vibration motor |
| CN109873544A (en) * | 2018-12-29 | 2019-06-11 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
-
2019
- 2019-06-28 CN CN201910578354.7A patent/CN110445342A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488681U (en) * | 2012-01-11 | 2012-10-10 | 瑞声光电科技(常州)有限公司 | Sounder |
| CN205960928U (en) * | 2016-07-21 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Linear vibration motor |
| CN109873544A (en) * | 2018-12-29 | 2019-06-11 | 瑞声科技(新加坡)有限公司 | Linear vibration electric motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655696A (en) * | 2016-11-30 | 2017-05-10 | 歌尔股份有限公司 | Linear vibration motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205081655U (en) | Double resonance vibrating motor | |
| CN205051551U (en) | Vibration motor | |
| CN204810103U (en) | Oscillating motor | |
| CN209389907U (en) | Linear vibration electric motor | |
| CN204810110U (en) | Linear vibration motor | |
| JP3427054B2 (en) | Signal converter | |
| CN209982310U (en) | Linear motor | |
| WO2021259078A1 (en) | Fast response linear vibration motor structure and implementation method therefor | |
| CN109275075B (en) | Sound production device | |
| CN209389915U (en) | Linear vibration electric motor | |
| WO2020134378A1 (en) | Linear vibration motor | |
| CN110445342A (en) | Linear vibration electric motor | |
| CN105099118B (en) | Multi-resonant linear electric machine | |
| CN107181383B (en) | Vibration exciter | |
| CN210183206U (en) | Electromagnetic drive device | |
| CN210093532U (en) | Vibration sound production device | |
| JP7279251B1 (en) | Multifunctional sound generator | |
| WO2020098426A1 (en) | Vibration electric motor | |
| CN111463987B (en) | Multidirectional vibration motor and implementation method thereof | |
| CN109889959A (en) | Microphone device | |
| CN210093431U (en) | Mobile terminal | |
| CN210780488U (en) | Linear vibration motor | |
| CN208675082U (en) | Linear vibration electric motor | |
| CN210167936U (en) | Linear vibration motor | |
| CN108206618A (en) | Linear vibration electric motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191112 |