CN102761227A - Miniature linear vibrator - Google Patents
Miniature linear vibrator Download PDFInfo
- Publication number
- CN102761227A CN102761227A CN2012102771029A CN201210277102A CN102761227A CN 102761227 A CN102761227 A CN 102761227A CN 2012102771029 A CN2012102771029 A CN 2012102771029A CN 201210277102 A CN201210277102 A CN 201210277102A CN 102761227 A CN102761227 A CN 102761227A
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- CN
- China
- Prior art keywords
- linear vibrator
- coil
- shell
- shell fragment
- bowl
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 239000012634 fragment Substances 0.000 claims description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000010892 electric spark Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Images
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
A miniature linear vibrator belongs to a motor provided with a reciprocating vibrating or swinging magnet, an armature or a coil system and comprises a casing, wherein a printing plate is respectively arranged on the inner side of a left end cover of the casing and the inner side of a right end cover of the casing, a coil is respectively connected onto the printing plates, and two ends of each coil are respectively connected with leads respectively through the printing plates. A vibrating body is arranged in an inner cavity of the casing and comprises an elastic sheet fixed in the casing, two counterweight blocks are symmetrically arranged on the left side and the right side of the elastic sheet and are connected with the elastic sheet through rivets, the rivets penetrate through the centers of the two counterweight blocks and the center of the elastic sheet, opening grooves are symmetrically arranged at the outside ends of the two counterweight blocks, the bottoms of the two opening grooves are respectively connected and fixed onto a bowl yoke in inserting mode, each bowl yoke is a U-shaped rotating body, the bottom of an inner cavity of each bowl yoke is respectively connected with a steel magnet, the outside end of each steel magnet is respectively connected with a magnetism conduction sheet, the inside end of each coil respectively extends into the inner cavity of each bowl yoke, and the outside end of each steel magnet respectively extends into an inner cavity of each coil. The miniature linear vibrator is simple in structure, low in manufacture cost and energy-saving, greatly reduces interior part loss, is prolonged in service life, and is free of sparks and electromagnetic interference.
Description
Technical field
The present invention relates to a kind of motor of magnet, armature or the coil system that has back and forth, shakes or swing, refer to a kind of micro linear vibrator especially.
Background technology
Micro linear vibrator uses usually and in mobile communication apparatus (like mobile phone), makes noiseless signal source, the vibroseis of health product in position, seismaesthesia source in the recreation equipment and the medicine equipment.Usually micro linear vibrator is provided with miniature vibrating motor, and no matter miniature vibrating motor is cylindrical shape or flat pattern, all is made up of motor and eccentrically mounted weight piece.Rotation through motor drives the rotation of eccentrically mounted weight piece, thereby produces vibrations.And these d.c. motors generally have parts such as brush and commutator, and the motor greatest problem that has brush and commutator is that parts are easy to wear, and the life-span is short, produces spark simultaneously, and electromagnetic interference is arranged.
Summary of the invention
The object of the present invention is to provide a kind of micro linear vibrator, it is simple in structure, and low cost of manufacture is energy-conservation, has significantly reduced the wearing and tearing of inner body, has prolonged useful life, and the generation of influences such as no-spark and electromagnetic interference.
To achieve these goals, technical solution of the present invention is: a kind of micro linear vibrator, comprising shell; The left and right rubbing surface of end cover of said shell is installed printed panel respectively, difference connecting coil on two said printed panels, and the axis of said coil is vertical with printed panel; The two ends of said coil are connected with lead through printed panel; The inner chamber of said shell is provided with vibration body, and said vibration body comprises the shell fragment that is fixed in the shell inner cavity, and said shell fragment is parallel with left and right end cap; The and arranged on left and right sides of said shell fragment is arranged with two balancing weights; Two said balancing weights are connected through rivet with shell fragment to be fixed, and said rivet passes the center line of two balancing weights and the center line of shell fragment, and the outboard end of two said balancing weights is arranged with two open slots; The trench bottom of two said open slots is rabbeted the bowl yoke that fixing magnetic conductive material is processed respectively; Said bowl yoke is the U type revolving body of opening towards the outside, and the intracavity bottom of two said bowl yokes is fixedly connected magnet steel respectively, and the outboard end of two said magnet steel connects magnetic conduction sheet respectively; The medial extremity of two said coils stretches into the inner chamber of two bowl yokes respectively, and the outboard end of two said magnet steel stretches into the inner chamber of two coils respectively.
Micro linear vibrator of the present invention; Wherein said shell is a cuboid, and the inner chamber middle part of said shell is provided with four through holes one week, and said shell fragment is a square; The center of said shell fragment is provided with first through hole that said rivet passes; The upper and lower, left and right end of said shell fragment is respectively equipped with four lugs, and four said lugs are inserted in respectively in four through holes, and are fixed in four through holes through spot welding or Laser Welding.
Micro linear vibrator of the present invention is positioned at four zones that its two center lines are divided into and is respectively equipped with second through hole on the wherein said shell fragment, the cross section part of said second through hole is a waveform.
Micro linear vibrator of the present invention, wherein said printed panel are annular.
Micro linear vibrator of the present invention, wherein two said balancing weights are cuboid, and said open slot is cylindrical.
Micro linear vibrator of the present invention, wherein said magnetic conduction sheet is the pure iron material with the bowl yoke and processes.
Micro linear vibrator of the present invention; Wherein each said coil into and out of end respectively with the welding of the track of printed panel; Said track is connected with lead again, the lead parallel connection that goes out the end connection of two said coils, the lead parallel connection that the inlet side of two said coils connects.
Micro linear vibrator of the present invention, the medial surface of wherein said magnet steel is through the gluing intracavity bottom that is fixed in bowl yoke that connects, and the lateral surface of said magnet steel is adhesively fixed through the medial surface of glue and magnetic conduction sheet.
After adopting such scheme, micro linear vibrator of the present invention is through being arranged at two coils in the shell and being arranged at two vibration bodies between the inner ring, makes the magnet steel of the vibration body left and right sides, the magnetic conduction sheet that is positioned at outside two magnet steel lay respectively at two coil inner chambers; When between end, applying of coil can make balancing weight and magnet steel produce the frequency of shake altogether or approaching shake altogether, by magnetic conduction sheet magnetic circuit is imported on the magnet steel, between the bowl yoke that magnetic conduction sheet, magnet steel and permeability magnetic material are processed, form magnetic circuit; Because the alternation of coil magnetic field, make have balancing weight magnet steel in coil because of the effect that receives magnetic force left and right sides back and forth movement back and forth, thereby the generation shaking force; Because brushless and commutator among the present invention; Therefore do not have the mutual wearing and tearing between brush and commutator, significantly reduced the wearing and tearing of inner body, so prolong its useful life; Can not produce electric spark; Therefore also do not have corresponding electromagnetic interference, the present invention is simple in structure, cost is low, because two coil actings in conjunction under the alternating current effect; Therefore produce double dynamically, accomplished energy-efficient.
Description of drawings
Fig. 1 is that the master of micro linear vibrator of the present invention looks cutaway view;
Fig. 2 is the left view that micro linear vibrator of the present invention removes left end cap;
Fig. 3 be among Fig. 1 the A-A between shell and the shell fragment to cutaway view.
Below in conjunction with accompanying drawing, the present invention is done further explanation through embodiment;
Embodiment
To shown in Figure 3, micro linear vibrator of the present invention comprises shell 1 like Fig. 1, and shell 1 is a cuboid.The inner chamber middle part of shell 1 is processed with four through holes 14 week.Be welded with annular printed panel 4 respectively on the left end cap 2 of shell 1, the medial surface of right end cap 3.Difference connecting coil 5 on two printed panels 4.Printed panel 4 is set to annular, and its shape is corresponding with coil 5 joint faces, saves material in the time of convenient the connection.The Surface Vertical of the axis of coil 5 and printed panel 4.Each coil 5 into and out of end respectively with printed panel 4 on track be welded to connect, track is connected with two leads again, the lead that end connects that goes out of two coils 5 is connected in parallel, the lead of the inlet side connection of two coils 5 is connected in parallel.The inner chamber of shell 1 is provided with vibration body 6.Vibration body 6 comprises the shell fragment 7 that is fixed in shell 1 inner chamber middle part.Shell fragment 7 is parallel with right end cap 3 with left end cap 2.Shell fragment 7 is a square, and the center of shell fragment 7 is processed with first through hole 15.The upper and lower, left and right end of shell fragment 7 is processed with 16, four lugs 16 of lug that cooperate with four through holes 14 respectively and is inserted in respectively in four through holes 14 and through spot welding or Laser Welding and is fixed in each through hole 14.In four zones that shell fragment 7 upper two center lines on it are divided into, be processed with second through hole 17 respectively.The cross section part of second through hole 17 is a waveform.Design can increase the elastic force of shell fragment 7 like this.The and arranged on left and right sides of shell fragment 7 is arranged with the balancing weight 9 of two cylindrical shapes.Two balancing weights 9 are connected fixing with shell fragment 7 through rivet 8.Rivet 8 passes the center line of two balancing weights 9 and first through hole 15 of shell fragment 7.The outboard end of two balancing weights 9 is symmetrily processed with the trench bottom of 10, two open slots 10 of two columniform open slots and rabbets fixing bowl yoke 11 respectively.Bowl yoke 11 is the U type revolving body of opening towards the outside, and it is processed for the pure iron material.The intracavity bottom of two bowl yokes 11 is respectively through the gluing fixedly magnet steel 12 that connects.The outboard end of two magnet steel 12 is fixed circular magnetic conduction sheet 13 through gluing connecing respectively, and magnetic conduction sheet 13 is processed for the pure iron material.The medial extremity of two coils 5 stretches into the inner chamber of two bowl yokes 11 respectively, and the outboard end of two magnet steel 12 stretches into the inner chamber of two coils 5 respectively.
During use; Apply between the lead that two coils of micro linear vibrator of the present invention 5 are connected and to make balancing weight 9 and magnet steel 12 produce shake altogether or during near the alternating current of the frequency of shake altogether; Because the alternation in two coil 5 magnetic fields, the magnetic conduction sheet 13 through the good pure iron material of magnetic property with magnetic circuit introduce magnet steel 12, and bowl yoke 11 on form magnetic circuit, in conjunction with shown in Figure 1; Make have balancing weight 9 magnet steel 6 in coil 2 because of the effect that receives magnetic force left and right sides back and forth movement back and forth, thereby produce shaking force; Because therefore brushless and commutator among the present invention do not exist the mutual wearing and tearing between brush and commutator, have significantly reduced the wearing and tearing of inner body; Therefore prolong its useful life, can not produce electric spark, therefore also do not have corresponding electromagnetic interference; The present invention is simple in structure, cost is low; Because two coil actings in conjunction under the alternating current effect, therefore produce double dynamically, accomplished energy-efficient.
Above-described embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (8)
1. a micro linear vibrator is characterized in that: comprise shell (1), the left and right end cap (2 of said shell (1); 3) medial surface is installed printed panel (4) respectively, and two said printed panels (4) are gone up connecting coil (5) respectively, and the axis of said coil (5) is vertical with printed panel (4); The two ends of said coil (5) are connected with lead through printed panel (4), and the inner chamber of said shell (1) is provided with vibration body (6), and said vibration body (6) comprises the shell fragment (7) that is fixed in shell (1) inner chamber; Said shell fragment (7) and left and right end cap (2; 3) parallel, the and arranged on left and right sides of said shell fragment (7) is arranged with two balancing weights (9), and two said balancing weights (9) are connected fixing with shell fragment (7) through rivet (8); Said rivet (8) passes the center line of two balancing weights (9) and the center line of shell fragment (7); The outboard end of two said balancing weights (9) is arranged with two open slots (10), and the trench bottom of two said open slots (10) is rabbeted the bowl yoke (11) that fixing magnetic conductive material is processed respectively, and said bowl yoke (11) is the U type revolving body of opening towards the outside; The intracavity bottom of two said bowl yokes (11) is fixedly connected magnet steel (12) respectively; The outboard end of two said magnet steel (12) connects magnetic conduction sheet (13) respectively, and the medial extremity of two said coils (5) stretches into the inner chamber of two bowl yokes (11) respectively, and the outboard end of two said magnet steel (12) stretches into the inner chamber of two coils (5) respectively.
2. micro linear vibrator as claimed in claim 1; It is characterized in that: said shell (1) is a cuboid; The inner chamber middle part of said shell (1) is provided with four through holes (14) week; Said shell fragment (7) is a square, and the center of said shell fragment (7) is provided with first through hole (15) that said rivet (8) passes, and the upper and lower, left and right end of said shell fragment (7) is respectively equipped with four lugs (16); Four said lugs (16) are inserted in respectively in four through holes (14), and are fixed in four through holes (14) through spot welding or Laser Welding.
3. micro linear vibrator as claimed in claim 2 is characterized in that: be positioned at four zones that its two center lines are divided on the said shell fragment (7) and be respectively equipped with second through hole (17), the cross section part of said second through hole (17) is a waveform.
4. micro linear vibrator as claimed in claim 3 is characterized in that: said printed panel (4) is annular.
5. micro linear vibrator as claimed in claim 4 is characterized in that: two said balancing weights (9) are cuboid, and said open slot (10) is cylindrical.
6. micro linear vibrator as claimed in claim 5 is characterized in that: said magnetic conduction sheet (13) and bowl yoke (11) are the pure iron material and process.
7. like the described micro linear vibrator of one of claim 1-6; It is characterized in that: each said coil (5) into and out of end respectively with the welding of the track of printed panel (4); Said track is connected with lead again; The lead parallel connection that goes out the end connection of two said coils (5), the lead parallel connection that the inlet side of two said coils (5) connects.
8. micro linear vibrator as claimed in claim 7 is characterized in that: the medial surface of said magnet steel (12) is through the gluing intracavity bottom that is fixed in a bowl yoke (11) that connects, and the lateral surface of said magnet steel (12) is adhesively fixed through the medial surface of glue and magnetic conduction sheet (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210277102.9A CN102761227B (en) | 2012-08-06 | 2012-08-06 | Miniature linear vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210277102.9A CN102761227B (en) | 2012-08-06 | 2012-08-06 | Miniature linear vibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102761227A true CN102761227A (en) | 2012-10-31 |
| CN102761227B CN102761227B (en) | 2014-09-17 |
Family
ID=47055571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210277102.9A Expired - Fee Related CN102761227B (en) | 2012-08-06 | 2012-08-06 | Miniature linear vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102761227B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110800199A (en) * | 2017-06-30 | 2020-02-14 | 日本电产三协株式会社 | Actuator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11206833A (en) * | 1998-01-27 | 1999-08-03 | Sii Micro Parts:Kk | Magnetic health device |
| CN101239352A (en) * | 2006-10-23 | 2008-08-13 | 株式会社西铁城电子 | Vibration body |
| CN102055299A (en) * | 2009-10-29 | 2011-05-11 | 日本电产科宝株式会社 | Vibration actuator |
| CN202086750U (en) * | 2011-04-11 | 2011-12-28 | 浙江陆发微电机有限公司 | Novel flat linear vibrator |
| CN202772776U (en) * | 2012-08-06 | 2013-03-06 | 浙江陆发微电机有限公司 | Miniature linear vibrator |
-
2012
- 2012-08-06 CN CN201210277102.9A patent/CN102761227B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11206833A (en) * | 1998-01-27 | 1999-08-03 | Sii Micro Parts:Kk | Magnetic health device |
| CN101239352A (en) * | 2006-10-23 | 2008-08-13 | 株式会社西铁城电子 | Vibration body |
| CN102055299A (en) * | 2009-10-29 | 2011-05-11 | 日本电产科宝株式会社 | Vibration actuator |
| CN202086750U (en) * | 2011-04-11 | 2011-12-28 | 浙江陆发微电机有限公司 | Novel flat linear vibrator |
| CN202772776U (en) * | 2012-08-06 | 2013-03-06 | 浙江陆发微电机有限公司 | Miniature linear vibrator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110800199A (en) * | 2017-06-30 | 2020-02-14 | 日本电产三协株式会社 | Actuator |
| US11264881B2 (en) | 2017-06-30 | 2022-03-01 | Nidec Sankyo Corporation | Actuator having a contacted part with increased strength for restricting a movable range of a movable body |
| CN110800199B (en) * | 2017-06-30 | 2022-07-26 | 日本电产三协株式会社 | Actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102761227B (en) | 2014-09-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151120 Address after: Yueqing City, Zhejiang province 325608 Shifan street in the village of Lake Park Patentee after: Zhejiang Lufa Micro Motor Co., Ltd. Address before: 325608 Zhejiang city of Wenzhou province Yueqing city Shifan Town Park Lake Industrial Park Patentee before: Zhejiang Lufa Micro Motor Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20190806 |