CN112600380A - Stable vibration device - Google Patents
Stable vibration device Download PDFInfo
- Publication number
- CN112600380A CN112600380A CN202011518282.6A CN202011518282A CN112600380A CN 112600380 A CN112600380 A CN 112600380A CN 202011518282 A CN202011518282 A CN 202011518282A CN 112600380 A CN112600380 A CN 112600380A
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- China
- Prior art keywords
- elastic
- mass block
- lower shell
- arm
- coil
- 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
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- 238000013016 damping Methods 0.000 claims description 8
- 239000006260 foam Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 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 1
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention relates to a stable vibration device, which comprises a lower shell, an upper shell, a flexible printed circuit board, a coil, a mass block, elastic sheets and an elastic support sheet, wherein the lower shell comprises a plane, a coil positioning boss of which the central part of the plane protrudes to the upper part, and elastic sheet fixing parts which are formed on two sides of the plane; the mass block is positioned at the upper part of the coil, and a magnet is arranged in the mass block; elastic pieces are arranged on two sides of the mass block respectively to form vibrators, and the other ends of the elastic pieces are connected with elastic piece fixing parts of the lower shell through elastic supporting pieces; the upper shell and the lower shell are matched to form a closed cavity, so that the oscillator is suspended in the closed cavity. The invention has novel structure and convenient installation, simplifies the process manufacturing flow and improves the product yield through the design of the elastic sheet fixing part of the lower shell and the connecting parts at the two sides of the elastic sheet; and makes the vibration more smooth.
Description
Technical Field
The invention belongs to the technical field of electromagnetism and vibration mechanics, and relates to a feedback function device of a complete machine device such as an earphone, a mobile phone and a gamepad thereof, in particular to a stable vibration device.
Background
In the linear motor in the current market, the X-direction motor is good in vibration body feeling, the space utilization rate of the whole machine is relatively high, and the linear motor is generally applied to the current whole machine product. However, in the vibration process of the X-direction linear motor, due to the large assembly difficulty, low assembly precision and poor centering effect, polarization is easy to occur in the vibration process, and the risk of poor products is caused; in addition, in the welding process of the elastic sheet and the shell, and the elastic sheet and the mass block, gaps often appear in the welding of the elastic sheet, the shell and the mass block due to the large positioning difficulty of the elastic sheet, and the risk of noise and falling of the reliable elastic sheet is caused in the vibration process of a product.
No patent documents relevant to the present application were found by search.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the novel structure, the convenient installation, the reduction of the product process difficulty, the simplification of the process manufacturing flow and the improvement of the product yield; and a stable vibration device which can vibrate stably.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a steady vibration device comprises a lower shell, an upper shell, a flexible printed circuit board, a coil, a mass block, elastic sheets and an elastic support sheet, wherein the lower shell comprises a plane, a coil positioning boss with the central part of the plane protruding to the upper part, and elastic sheet fixing parts formed on two sides of the plane; the mass block is positioned at the upper part of the coil, and a magnet is arranged in the mass block; elastic pieces are respectively connected and arranged on two sides of the mass block to form a vibrator, and the other ends of the elastic pieces are connected with elastic piece fixing parts of the lower shell through elastic supporting pieces; the interior of the upper shell is hollow and is matched with the lower shell to form a closed cavity, so that the oscillator is suspended in the closed cavity.
And the side wall of the upper part of the elastic sheet fixing part close to one side of the plane is provided with a side wall boss.
And the elastic sheet comprises an arc-shaped connecting piece, two elastic arms are integrally formed on the vertical side walls at the two ends of the arc-shaped connecting piece in an extending mode and respectively comprise a first elastic arm and a second elastic arm, a positioning groove matched with a side wall boss at the elastic sheet fixing part of the lower shell is integrally formed in the end part of the first elastic arm, and a positioning bend is fixedly arranged at the end part of the second elastic arm.
And moreover, the positioning bend is of a rectangular angle sleeve structure, the positioning bend and the second elastic arm form an included angle of 90 degrees, and the opening of the positioning bend and the opening of the arc-shaped connecting piece are oppositely arranged.
And the distance between the first elastic arm and the second elastic arm is larger and larger from one end close to the arc-shaped connecting piece to one end far away from the arc-shaped connecting piece.
Moreover, the width of the central part of the first elastic arm and the second elastic arm is narrower than the width of the two sides of the first elastic arm and the second elastic arm.
And the mass block is also provided with washers for blocking a closed loop of a magnetic field formed by the magnetic field generated by the magnets in the mass block.
And, the upper housing is limited to be provided with a damping device at the left and right sides, and the damping device adopts foam.
The invention has the advantages and positive effects that:
the lower shell is an integrated bracket, so that a flexible printed circuit board serving as a connecting terminal and the elastic sheet are fixed, the central part of the plane of the lower shell is provided with a coil positioning boss structure protruding upwards, the effect of centering on the vibration assembly and the coil can be realized, the polarization problem caused by poor centering effect can be solved, and meanwhile, when the lower shell is made of a magnetic conductive material, the utilization rate of magnetic induction lines of a magnetic circuit system can be improved, and the product performance can be improved;
according to the invention, the elastic sheet fixing parts are formed on two sides of the lower shell, the side walls of the upper parts of the elastic sheet fixing parts, which are close to one side of the plane, are provided with the side wall bosses, and one end of the elastic sheet is also provided with the positioning groove matched with the side wall bosses, so that the independent positioning of the side wall bosses and the elastic sheet positioning groove is realized, the process difficulty and the flow are simplified, meanwhile, the attachment of the elastic sheet and the lower shell is facilitated, and the problem of poor welding is solved; and the positioning and bending design at the other end of the elastic sheet can realize the positioning and close fitting of the elastic sheet and the mass block, simplify the process difficulty, solve the problem of poor welding caused by poor fitting and improve the product yield.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a first cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention
FIG. 4 is an internal structural view of the present invention;
FIG. 5 is a view showing the construction of the lower case of the present invention;
FIG. 6 is a structural view of the spring plate of the present invention;
fig. 7 is a structural view of a stator of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative only and not limiting, and the scope of the present invention is not limited thereby.
A steady vibration device comprises a lower shell 10, an upper shell 1, a Flexible Printed Circuit Board (FPCB)9, a Coil (CO)8, a mass block 3, an elastic sheet 5 and an elastic Support sheet (Support)6, wherein the lower shell comprises a plane 10-4, a coil positioning boss 10-2 with the central part of the plane protruding upwards, and elastic sheet fixing parts 10-1 formed on two sides of the plane, and side wall bosses 10-3 are respectively formed on the side wall of the upper part of each elastic sheet fixing part close to one side of the plane; the flexible printed circuit board penetrates through the coil positioning boss and is combined with the plane of the lower shell, the coil is arranged on the upper portion of the flexible printed circuit board, the center of the coil is penetrated through the coil positioning boss and is vertically combined with the plane of the lower shell, and the lower shell, the flexible printed circuit board and the coil form a stator; the mass block is positioned at the upper part of the coil and comprises at least one magnet combination part which is used for fixing the magnet 4 to ensure that the mass block has weight and the weight is used for amplifying vibration; the two sides of the mass block are respectively connected with elastic sheets to form a vibrator, the interior of the upper shell is hollow and forms the external outline of the vibrating device, the upper shell and the lower shell are matched with each other to form a closed cavity, and the other end of each elastic sheet of the vibrator is connected with a side wall boss at the elastic sheet fixing part of the lower shell through an elastic supporting sheet; the vibrator is suspended in the closed cavity, the flexible printed circuit board receives a power supply from the outside and supplies the power supply to the coil, and the coil generates an electric field after receiving the power supply supplied by the flexible printed circuit board, so that the generated electric field acts on the magnetic field of the magnet and generates stable horizontal vibration through the cooperation of the elastic sheets;
the elastic piece comprises an arc-shaped connecting piece 5-1, two elastic arms are integrally formed by extending vertical side walls at two ends of the arc-shaped connecting piece, namely a first elastic arm and a second elastic arm respectively, a positioning groove 5-3 is integrally formed at one end of the first elastic arm 5-2, the positioning groove is matched with a side wall boss at the fixed part of the elastic piece of the lower shell, a positioning bend 5-4 is fixedly arranged at the end part of the second elastic arm 5-5, the positioning bend is of a rectangular angle sleeve structure, an included angle of 90 degrees is formed between the positioning bend and the elastic arm, and an opening of the positioning bend is opposite to an opening of the arc-shaped connecting piece; bending grooves matched with the positioning bending are formed in the oblique opposite corners of the mass block, so that the elastic sheet and the mass block can be positioned and tightly attached, the connection is stable, the process difficulty is simplified, the problem of poor welding caused by poor attachment is solved, the yield of products is improved, and the deformation of the elastic sheet is prevented;
the distance between the two elastic arms is gradually increased from one end close to the arc-shaped connecting piece to one end far away from the arc-shaped connecting piece, the width of the central parts of the two elastic arms is narrow, the vibration frequency is reduced, and the vibration sensation is improved, wherein the vibration sensation is improved by the fact that the higher the frequency is, the more the vibration frequency is, the lower the frequency is, the less the vibration frequency is, and therefore the vibration frequency per minute is reduced; since the number of vibrations per minute is reduced, it becomes easier for a user (operator) to sense the vibrations; therefore, the elastic sheet can disperse the stress concentration phenomenon, thereby protecting the elastic sheet from being damaged;
further, the upper part of the mass block is also provided with a washer 2, the washer is arranged on the magnet, blocks a magnetic field generated by the magnet in the mass block from forming a closed loop of the magnetic field, and plays a role in shielding the magnetic field;
furthermore, a damping device (Damper)7 is arranged at the left and right limiting positions at the inner side of the upper shell, the damping device adopts foam to play a damping role, and the impact of the mass block on the elastic sheet can be absorbed by the damping device and simultaneously the noise is removed;
furthermore, the lower shell is an integrated bracket, so that the flexible printed circuit board serving as a connecting terminal and the elastic sheet are fixed, and the coil positioning boss structure protruding upwards from the central part of the plane of the lower shell can realize the centering effect on the vibration assembly and the coil, so that the polarization problem caused by poor centering effect is solved, and meanwhile, when the lower shell is made of a magnetic conductive material, the utilization rate of magnetic induction lines of a magnetic circuit system can be improved, and the product performance is improved;
according to the invention, the elastic sheet fixing parts are formed on two sides of the lower shell, the side walls of the upper parts of the elastic sheet fixing parts, which are close to one side of the plane, are provided with the side wall bosses, and one end of the elastic sheet is also provided with the positioning groove matched with the side wall bosses, so that the independent positioning of the side wall bosses and the elastic sheet positioning groove is realized, the process difficulty and the flow are simplified, meanwhile, the attachment of the elastic sheet and the lower shell is facilitated, and the problem of poor welding is solved; and the positioning and bending design at the other end of the elastic sheet can realize the positioning and close fitting of the elastic sheet and the mass block, simplify the process difficulty, solve the problem of poor welding caused by poor fitting and improve the product yield.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (8)
1. A steady vibration device is characterized in that: the flexible printed circuit board penetrates through the coil positioning boss and is combined with the plane of the lower shell, the coil is arranged on the upper part of the flexible printed circuit board, and the center of the flexible printed circuit board penetrates through the coil positioning boss and is vertically combined with the plane of the lower shell; the mass block is positioned at the upper part of the coil, and a magnet is arranged in the mass block; elastic pieces are respectively connected and arranged on two sides of the mass block to form a vibrator, and the other ends of the elastic pieces are connected with elastic piece fixing parts of the lower shell through elastic supporting pieces; the interior of the upper shell is hollow and is matched with the lower shell to form a closed cavity, so that the oscillator is suspended in the closed cavity.
2. The stationary vibrating device as set forth in claim 1, wherein: and side wall bosses are arranged on the side wall of one side of the upper part of the elastic sheet fixing part close to the plane.
3. The stationary vibrating device as set forth in claim 1, wherein: the shell fragment includes the arc connecting piece, the integrative extension system in the vertical lateral wall in both ends of arc connecting piece has two to play the arm, is first bullet arm and second bullet arm respectively, first bullet arm tip system has the positioning groove with the lateral wall boss looks adaptation of the shell fragment fixed part department of lower casing, and the second plays the tip of arm and is equipped with the location and bends admittedly.
4. A stationary vibration device according to claim 3, characterized in that: the positioning bend is of a rectangular angle sleeve structure, the positioning bend and the second elastic arm form an included angle of 90 degrees, and the opening of the positioning bend and the opening of the arc-shaped connecting piece are arranged oppositely.
5. A stationary vibration device according to claim 3, characterized in that: the distance between the first elastic arm and the second elastic arm is larger and larger from one end close to the arc-shaped connecting piece to one end far away from the arc-shaped connecting piece.
6. A stationary vibration device according to claim 3, characterized in that: the width of the central parts of the first elastic arm and the second elastic arm is narrower than the width of the two sides of the first elastic arm and the second elastic arm.
7. The stationary vibrating device as set forth in claim 1, wherein: the mass block is also provided with a washer for blocking a closed loop of a magnetic field formed by a magnetic field generated by the magnets in the mass block.
8. The stationary vibrating device as set forth in claim 1, wherein: the upper shell is internally provided with a damping device in a left-right limiting manner, and the damping device is made of foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011518282.6A CN112600380A (en) | 2020-12-21 | 2020-12-21 | Stable vibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011518282.6A CN112600380A (en) | 2020-12-21 | 2020-12-21 | Stable vibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112600380A true CN112600380A (en) | 2021-04-02 |
Family
ID=75199602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011518282.6A Pending CN112600380A (en) | 2020-12-21 | 2020-12-21 | Stable vibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112600380A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507192A (en) * | 2021-06-28 | 2021-10-15 | 天津富禄通信技术有限公司 | Ultra-thin type vibrating device |
| CN114157115A (en) * | 2021-11-15 | 2022-03-08 | 天津富禄通信技术有限公司 | High-drive ultrathin linear vibration device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205385397U (en) * | 2016-01-29 | 2016-07-13 | 歌尔声学股份有限公司 | Linear vibrating motor |
| CN106208605A (en) * | 2016-08-24 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN206349906U (en) * | 2016-11-30 | 2017-07-21 | 歌尔科技有限公司 | A kind of linear vibration motor |
| US20170288519A1 (en) * | 2016-04-05 | 2017-10-05 | Em-Tech. Co., Ltd. | Linear Vibrator |
| CN107294339A (en) * | 2017-02-02 | 2017-10-24 | 天津富禄通信技术有限公司 | Include the linear up-down vibration motor of magnetic field closed circuit formation shell |
| CN206865331U (en) * | 2017-06-26 | 2018-01-09 | 高宇 | Linear vibration motor |
| US20180019651A1 (en) * | 2016-07-15 | 2018-01-18 | Mplus Co., Ltd. | Linear vibration generator |
| CN207321081U (en) * | 2017-07-26 | 2018-05-04 | 歌尔科技有限公司 | Linear vibration motor |
| CN207706021U (en) * | 2017-12-12 | 2018-08-07 | 歌尔科技有限公司 | A kind of linear vibration motor |
| US20180278137A1 (en) * | 2016-03-11 | 2018-09-27 | Goertek Inc. | Linear vibration motor |
-
2020
- 2020-12-21 CN CN202011518282.6A patent/CN112600380A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205385397U (en) * | 2016-01-29 | 2016-07-13 | 歌尔声学股份有限公司 | Linear vibrating motor |
| US20180278137A1 (en) * | 2016-03-11 | 2018-09-27 | Goertek Inc. | Linear vibration motor |
| US20170288519A1 (en) * | 2016-04-05 | 2017-10-05 | Em-Tech. Co., Ltd. | Linear Vibrator |
| US20180019651A1 (en) * | 2016-07-15 | 2018-01-18 | Mplus Co., Ltd. | Linear vibration generator |
| CN106208605A (en) * | 2016-08-24 | 2016-12-07 | 歌尔股份有限公司 | A kind of linear vibration motor |
| CN206349906U (en) * | 2016-11-30 | 2017-07-21 | 歌尔科技有限公司 | A kind of linear vibration motor |
| CN107294339A (en) * | 2017-02-02 | 2017-10-24 | 天津富禄通信技术有限公司 | Include the linear up-down vibration motor of magnetic field closed circuit formation shell |
| CN206865331U (en) * | 2017-06-26 | 2018-01-09 | 高宇 | Linear vibration motor |
| CN207321081U (en) * | 2017-07-26 | 2018-05-04 | 歌尔科技有限公司 | Linear vibration motor |
| CN207706021U (en) * | 2017-12-12 | 2018-08-07 | 歌尔科技有限公司 | A kind of linear vibration motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507192A (en) * | 2021-06-28 | 2021-10-15 | 天津富禄通信技术有限公司 | Ultra-thin type vibrating device |
| CN114157115A (en) * | 2021-11-15 | 2022-03-08 | 天津富禄通信技术有限公司 | High-drive ultrathin linear vibration device |
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Application publication date: 20210402 |
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