CN104847820A - Upper reed for compact voice coil motor - Google Patents
Upper reed for compact voice coil motor Download PDFInfo
- Publication number
- CN104847820A CN104847820A CN201510254953.5A CN201510254953A CN104847820A CN 104847820 A CN104847820 A CN 104847820A CN 201510254953 A CN201510254953 A CN 201510254953A CN 104847820 A CN104847820 A CN 104847820A
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- Prior art keywords
- frame
- wall
- voice coil
- straight
- coil motor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses an upper reed for a compact voice coil motor. The upper reed for the compact voice coil motor comprises a square frame body outside and an elastic ring inside, wherein the square frame body comprises a first frame, a second frame, a third frame and a fourth frame which are connected in sequence end to end, four elastic bending parts are arranged between the inner wall of the square frame body and the outer wall of the elastic ring for connection, the outer wall of the elastic ring comprises four straight walls and four positioning grooves which are arranged in an annular array, trapezoidal sheets are respectively arranged at the four angles outside the square frame body, and a glue injection hole is arranged on each trapezoidal sheet. The upper reed is effectively fixed in the compact voice coil motor, realizes the connection between the elastic ring and a lens bearing device, is simple and fast in installation, effectively reduces the volume of the voice coil motor, and improves the assembly efficiency and the using stability of the voice coil motor.
Description
Technical field
The present invention relates to voice coil motor field, particularly relate to a kind of upper reed plate of compact type voice coil motor.
Background technique
Voice coil motor is a kind of motor being applied to the high pixel minitype digital camera with automatic focusing function.Minitype digital photographic camera is applied to such as mobile phone, computer, automobile, security protection, digital camera, panel computer and player etc. with being not limited to, the drive unit that the motion of its lens is filled the post of by motor is usually taken on, and voice coil motor drives the principle of lens movement to derive from loudspeaker.
Usually be provided with whippy reed in lens driver, by upper and lower two reeds, lens bearing device be fixed, make lens bearing device can flexible motion setting back.Along with the progress of science and technology, the structure of Minitype digital photographic camera is more small and exquisite, also more and more higher to the size requirement of voice coil motor.Part compact type voice coil motor is in order to reduce volume, eliminate the pad in voice coil motor housing, upper reed plate is directly connected with voice coil motor housing, therefore need the structure improving upper reed plate, to adapt to the structure of compact type voice coil motor housing, improve the stationarity of upper reed plate.
Summary of the invention
The technical problem that the present invention mainly solves is to provide upper reed plate special in a kind of compact type voice coil motor, improves the connectivity of upper reed plate and compact type voice coil motor housing.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: the upper reed plate providing a kind of compact type voice coil motor, comprise: outside square framework and inner elastic circular ring, the inner hollow of described square framework, described elastic circular ring is arranged among square framework with one heart, described square framework comprises end to end first frame successively, second frame, 3rd frame and the 4th frame, described first frame, second frame, the outer wall of the 3rd frame and the 4th frame is respectively arranged with a trapezoidal locating slot, be provided with four elastic bending pieces between the inwall of described square framework and the outer wall of elastic circular ring to connect, described elastic bending piece is respectively by the first straight section be connected successively, second continuous bent section and the 3rd straight section composition, described first straight section end is provided with first domatic section that is connected with square framework inwall, described 3rd straight section end is provided with second domatic section that is connected with elastic circular ring outer wall, the outer wall of described elastic circular ring comprises four Zhi Bi and four locating slots of annular array, described locating slot lays respectively between adjacent straight wall, four angles are set to trapezoidal thin slice to described square box external body respectively, described trapezoidal thin slice is respectively arranged with a hole for injecting glue.
In a preferred embodiment of the present invention, described four elastic bending pieces are respectively the first bending part, the second bending part, the 3rd bending part and the 4th bending part.
In a preferred embodiment of the present invention, described four straight walls are respectively the first straight wall, the second straight wall, the 3rd straight wall and the 4th straight wall, described first bending part connection is arranged between the first straight wall and the inwall of the 4th frame, described second bending part connect be arranged on second straight between wall and the inwall of the first frame, described 3rd bending part connects and is arranged on the 3rd straight between wall and the inwall of the second frame, and described 4th bending part connection is arranged between the 4th straight wall and the inwall of the 3rd frame.
In a preferred embodiment of the present invention, the described first straight wall, the second straight wall, the 3rd straight wall are respectively arranged with on the 4th straight wall the first boss be connected with corresponding elastic bending piece.
In a preferred embodiment of the present invention, described square framework, elastic bending piece and elastic circular ring are integrated.
In a preferred embodiment of the present invention, described first frame, the second frame, the 3rd frame and the inwall of the 4th frame are respectively arranged with the second boss be connected with corresponding elastic bending piece.
In a preferred embodiment of the present invention, the described first straight wall parallels with the inwall of the first frame.
The invention has the beneficial effects as follows: the upper reed plate of a kind of compact type voice coil motor that the present invention points out, devise trapezoidal thin slice especially, during installation, trapezoidal thin slice extends in four angles at compact type voice coil motor housing cavity top respectively, square shaped framework carries out spacing and assembling fast, then by putting glue and be fixed in hole for injecting glue, connectivity robustness is good, not easily in use come off, the locating slot of elastic circular ring can be stuck on the positioning block at lens bearing device top in voice coil motor, realize the connection of elastic circular ring and lens bearing device, quick for installation, the volume of effective minimizing voice coil motor, improve efficiency of assembling and the stability in use of voice coil motor.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of upper reed plate one preferred embodiment of a kind of compact type voice coil motor of the present invention;
Fig. 2 is the stereogram of Fig. 1.
Embodiment
Be clearly and completely described to the technological scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 to Fig. 2, the embodiment of the present invention comprises:
A kind of upper reed plate of compact type voice coil motor, comprise: outside square framework 1 and inner elastic circular ring 2, the inner hollow of described square framework 1, described elastic circular ring 2 is arranged among square framework 1 with one heart, described square framework 1 comprises end to end first frame 11 successively, second frame 12, 3rd frame 13 and the 4th frame 14, described first frame 11, second frame 12, the outer wall of the 3rd frame 13 and the 4th frame 14 is respectively arranged with a trapezoidal locating slot 18, trapezoidal locating slot 18 is conducive to the location of square framework 1 in voice coil motor housing and some glue is fixed.
Be provided with four elastic bending pieces 3 between the inwall of described square framework 1 and the outer wall of elastic circular ring 2 to connect, described elastic bending piece 3 is respectively by the first straight section 3b be connected successively, second continuous bent section 3c and the 3rd straight section 3d forms, described first straight section 3b end is provided with the first domatic section of 3a be connected with square framework 1 inwall, described 3rd straight section 3d end is provided with the second domatic section of 3e be connected with elastic circular ring 2 outer wall, first domatic section of 3a and second domatic section of 3e makes elastic bending piece 3 have certain angle in advance, instead of remain in same plane with square framework 1, during work, deformation spot is more quick, improve reaction velocity.
The outer wall of described elastic circular ring 2 comprises four Zhi Bi and four locating slots 25 of annular array, described locating slot 25 lays respectively between adjacent straight wall, outside four angles are set to trapezoidal thin slice 16 to described square framework 1 respectively, and described trapezoidal thin slice 16 is respectively arranged with a hole for injecting glue 17.During installation, trapezoidal thin slice 16 extends in four angles at compact type voice coil motor housing cavity top respectively, fit tightly on the end face in chamber within it, not easily twist, improve square framework 1 to locate and assembling speed, then carry out square framework 1 position by some glue in hole for injecting glue 17 to fix, connectivity robustness is good, and square framework 1 is not easily in use come off in housing.
Described square framework 1, elastic bending piece 2 and elastic circular ring 3 are integrated, and adopt the copper sheet of 0.04mm to make, very frivolous.Described four elastic bending pieces 3 are respectively the first bending part 31, second bending part 32, the 3rd bending part 33 and the 4th bending part 34.
Described four straight walls are respectively the first straight wall 21, second straight wall 22, 3rd straight wall 23 and the 4th straight wall 24, described first bending part 31 connection is arranged between the first straight wall 21 and the inwall of the 4th frame 14, described second bending part 32 connection is arranged between the second straight wall 22 and the inwall of the first frame 11, described 3rd bending part 33 connection is arranged between the 3rd straight wall 23 and the inwall of the second frame 12, described 4th bending part 34 connection is arranged between the 4th straight wall 24 and the inwall of the 3rd frame 13, described first straight wall 21 parallels with the inwall of the first frame 11, same, described second straight wall 22 parallels with the inwall of the second frame 12, concentricity is high, work more steady.
The straight wall 22 of described first straight wall 21, second, the 3rd straight wall 23 are respectively arranged with on the 4th straight wall 24 the first boss 26 be connected with corresponding elastic bending piece 3.First boss 26 makes elastic bending piece 3 and the straight wall 22 of the first straight wall 21, second, the 3rd straight wall 23 and the 4th straight wall 24 keep certain gap, is conducive to elastic strain and recovery.
Described first frame 11, second frame 12, the 3rd frame 13 are respectively arranged with on the inwall of the 4th frame 14 the second boss 15 be connected with corresponding elastic bending piece 3.Second boss 15 makes elastic bending piece 3 and the first frame 11, second frame 12, the 3rd frame 13 and the 4th frame 14 keep certain gap, is conducive to elastic strain and recovery, improves the stability of work.
In sum, the upper reed plate of a kind of compact type voice coil motor that the present invention points out, sound construction, improve installation rate and the stability in use of compact type voice coil motor, fix without the need to other pads, overall frivolous, be conducive to the volume reducing compact type voice coil motor.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. the upper reed plate of a compact type voice coil motor, comprise: outside square framework and inner elastic circular ring, the inner hollow of described square framework, described elastic circular ring is arranged among square framework with one heart, it is characterized in that, described square framework comprises end to end first frame successively, second frame, 3rd frame and the 4th frame, described first frame, second frame, the outer wall of the 3rd frame and the 4th frame is respectively arranged with a trapezoidal locating slot, be provided with four elastic bending pieces between the inwall of described square framework and the outer wall of elastic circular ring to connect, described elastic bending piece is respectively by the first straight section be connected successively, second continuous bent section and the 3rd straight section composition, described first straight section end is provided with first domatic section that is connected with square framework inwall, described 3rd straight section end is provided with second domatic section that is connected with elastic circular ring outer wall, the outer wall of described elastic circular ring comprises four Zhi Bi and four locating slots of annular array, described locating slot lays respectively between adjacent straight wall, four angles are set to trapezoidal thin slice to described square box external body respectively, described trapezoidal thin slice is respectively arranged with a hole for injecting glue.
2. the upper reed plate of compact type voice coil motor according to claim 1, is characterized in that, described four elastic bending pieces are respectively the first bending part, the second bending part, the 3rd bending part and the 4th bending part.
3. the upper reed plate of compact type voice coil motor according to claim 2, it is characterized in that, described four straight walls are respectively the first straight wall, the second straight wall, the 3rd straight wall and the 4th straight wall, described first bending part connection is arranged between the first straight wall and the inwall of the 4th frame, described second bending part connect be arranged on second straight between wall and the inwall of the first frame, described 3rd bending part connects and is arranged on the 3rd straight between wall and the inwall of the second frame, and described 4th bending part connection is arranged between the 4th straight wall and the inwall of the 3rd frame.
4. the upper reed plate of compact type voice coil motor according to claim 3, is characterized in that, the described first straight wall, the second straight wall, the 3rd straight wall are respectively arranged with on the 4th straight wall the first boss be connected with corresponding elastic bending piece.
5. the upper reed plate of compact type voice coil motor according to claim 1, is characterized in that, described square framework, elastic bending piece and elastic circular ring are integrated.
6. the upper reed plate of compact type voice coil motor according to claim 1, is characterized in that, described first frame, the second frame, the 3rd frame and the inwall of the 4th frame are respectively arranged with the second boss be connected with corresponding elastic bending piece.
7. the upper reed plate of compact type voice coil motor according to claim 3, is characterized in that, the described first straight wall parallels with the inwall of the first frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254953.5A CN104847820A (en) | 2015-05-19 | 2015-05-19 | Upper reed for compact voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254953.5A CN104847820A (en) | 2015-05-19 | 2015-05-19 | Upper reed for compact voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104847820A true CN104847820A (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510254953.5A Pending CN104847820A (en) | 2015-05-19 | 2015-05-19 | Upper reed for compact voice coil motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN104847820A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090032905A (en) * | 2007-09-27 | 2009-04-01 | 머스텍 시스템스 인크. | Flat spring and voice coil motor using the same |
| CN101408657A (en) * | 2008-11-13 | 2009-04-15 | 宁波金诚泰电子有限公司 | Reed for camera lens drive mechanism |
| CN101561544A (en) * | 2008-04-18 | 2009-10-21 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor actuator |
| CN202260956U (en) * | 2011-09-13 | 2012-05-30 | 东莞市旭业光电科技有限公司 | Flat elastic piece for voice coil motor |
| CN203933330U (en) * | 2014-06-06 | 2014-11-05 | 河南省皓泽电子有限公司 | A kind of front reed of voice coil motor |
| CN204203537U (en) * | 2014-10-30 | 2015-03-11 | 金龙机电股份有限公司东莞分公司 | A kind of voice coil motor |
| CN205013561U (en) * | 2015-05-19 | 2016-02-03 | 苏州久易光电科技有限公司 | Last reed that compact voice coil motor was used |
-
2015
- 2015-05-19 CN CN201510254953.5A patent/CN104847820A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090032905A (en) * | 2007-09-27 | 2009-04-01 | 머스텍 시스템스 인크. | Flat spring and voice coil motor using the same |
| CN101561544A (en) * | 2008-04-18 | 2009-10-21 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor actuator |
| CN101408657A (en) * | 2008-11-13 | 2009-04-15 | 宁波金诚泰电子有限公司 | Reed for camera lens drive mechanism |
| CN202260956U (en) * | 2011-09-13 | 2012-05-30 | 东莞市旭业光电科技有限公司 | Flat elastic piece for voice coil motor |
| CN203933330U (en) * | 2014-06-06 | 2014-11-05 | 河南省皓泽电子有限公司 | A kind of front reed of voice coil motor |
| CN204203537U (en) * | 2014-10-30 | 2015-03-11 | 金龙机电股份有限公司东莞分公司 | A kind of voice coil motor |
| CN205013561U (en) * | 2015-05-19 | 2016-02-03 | 苏州久易光电科技有限公司 | Last reed that compact voice coil motor was used |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |