CN208158407U - A kind of newly-designed voice coil motor assembly - Google Patents
A kind of newly-designed voice coil motor assembly Download PDFInfo
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- CN208158407U CN208158407U CN201820423947.7U CN201820423947U CN208158407U CN 208158407 U CN208158407 U CN 208158407U CN 201820423947 U CN201820423947 U CN 201820423947U CN 208158407 U CN208158407 U CN 208158407U
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- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 5
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000003825 pressing Methods 0.000 description 9
- 230000000007 visual effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
A kind of newly-designed voice coil motor assembly, including carrier and lower cover, carrier include pedestal, and first through hole is opened up in pedestal for assembling eyeglass；Pedestal upper surface is equipped with multiple first glue groove, and bonding positions upper elastic slice；Pedestal lower end surface is equipped with multiple positioning columns and multiple second point glue grooves, and for positioning column against lower cover, the bonding of second point glue groove positions lower elastic slice；Pedestal lateral wall is equipped with groove along the vertical direction, and an at least limited block is additionally provided on lateral wall, is also convexly equipped with multiple anti-rotation blocks on lateral wall outwardly.The second through-hole is offered in the middle part of lower cover, aligns camera eyeglass；Lid upper surface is set there are four positioning column, multiple hot molten columns and a dust ring；Each positioning column is located at four angles of upper surface, positions yoke；Each upward projection of hot molten column, welding position lower elastic slice；Dust ring is around the second through-hole and concentric setting；Lid lower surface is set there are three bottom boss, and around the second through-hole and mutually in 120 degree of angle arrangements, the line for constituting three is triangle.
Description
Technical Field
The utility model relates to a voice coil motor of miniature camera, concretely relates to voice coil motor subassembly of new design. The miniature camera can be assembled and applied to thin electronic products such as mobile phones, tablet computers and intelligent watches.
Background
In existing camera Voice Coil Motor (VCM) designs, the carrier is one of the most critical components. An upper through hole and a lower through hole are formed in the carrier and used for assembling lenses of the camera; the periphery of the carrier is wound with a coil, and a yoke of the motor is provided with a magnet corresponding to the coil, so that when the coil is electrified, the carrier can generate vertical displacement due to electromagnetic induction, and zooming and focusing of the camera are realized; the upper end face or/and the lower end face of the carrier is/are also provided with elastic sheets for generating elasticity, so that the carrier can be restored to the initial horizontal position when the coil is not electrified.
The current carrier adopts the centrosymmetric design, so that the direction is not needed to be distinguished during production and assembly, and the carrier is convenient and quick, but has the following defects: firstly, the supplier is easy to make wrong direction when winding, which causes bad raw material; when putting the carrier in process of production, need the manual work to carry out the differentiation of direction, and because factors such as operating personnel's proficiency difference, work negligence, and lack the fool-proofing mechanism, make the carrier put wrong direction very easily, cause to produce the line and appear a large amount of defective products, increase manufacturing cost.
In addition, in the design of current voice coil motor, the lower surface of motor lower cover is equipped with the recess, and the purpose of reserving this recess is in order to satisfy the customer and carry out the follow-up assembly requirement of camera product. By means of the design of the grooves, when the voice coil motor and the support are assembled, the assembling precision of the voice coil motor and the support can be guaranteed, so that the requirements on the parallelism and the flatness of the grooves are high, and the difficulty of mold processing is increased.
Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.
Disclosure of Invention
The utility model aims at providing a voice coil motor subassembly of new design.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a voice coil motor component with new design is assembled and matched by a carrier and a lower cover along the up-down direction; wherein,
the carrier comprises a seat body, wherein a first through hole is formed in the seat body along the vertical direction and used for assembling a lens of the camera;
the upper end face of the base body is provided with a plurality of first dispensing grooves, and each first dispensing groove is concavely arranged on the upper end face and is connected with an upper elastic sheet of the positioning voice coil motor through bonding;
a plurality of positioning columns and a plurality of second glue dispensing grooves are arranged on the lower end surface of the base body; each positioning column is convexly arranged on the lower end surface and abuts against and positions the upper surface of the lower cover; each second glue dispensing groove is arranged on the lower end face in a concave mode and is connected with a lower elastic sheet of the positioning voice coil motor in an adhering mode; a first prepressing lug is convexly arranged on the lower end surface of the seat body and acts on the lower elastic sheet;
the outer side wall of the seat body is provided with a groove along the vertical direction, and the outer side wall is also provided with at least one limiting block; in addition, a plurality of anti-rotation stop blocks are convexly arranged on the outer side wall outwards, and each anti-rotation stop block is positioned relative to the yoke of the voice coil motor;
the lower cover comprises a rectangular flat cover body, a second through hole is formed in the middle of the flat cover body, and the second through hole and the first through hole are coaxially arranged; wherein,
the upper surface of the flat cover body is provided with four positioning columns, a plurality of hot melting columns and a dustproof ring; each positioning column corresponds to four corners of the upper surface respectively and is used for connecting and positioning a yoke of the voice coil motor; each hot melting column is arranged in an upward protruding mode and used for welding and positioning the lower elastic sheet; the dustproof ring is arranged around the second through hole and is concentric with the second through hole; the upper surface of the flat cover body is also provided with a second prepressing lug which is matched with the first prepressing lug on the carrier, and the second prepressing lug and the first prepressing lug jointly act on the lower elastic sheet to cause the lower elastic sheet to generate predeformation;
the lower surface of the flat cover body is provided with three bottom bosses, the bottom bosses surround the second through holes and are arranged at an angle of 120 degrees, and a connecting line of the bottom bosses, the second through holes and the third through holes is a triangle.
The relevant content in the above technical solution is explained as follows:
1. in the above scheme, through the setting of recess, one side size that constitutes the carrier is different from other trilateral to reach the visual slow-witted purpose of preventing staying, still can be used to automated production's visual inspection equipment simultaneously, overcome the manual work and place a great deal of not enough of carrier.
2. In the above scheme, through the setting of stopper to play the spacing effect of tool, efficiency and accuracy when being convenient for improve the carrier and placing.
3. In the above scheme, each anti-rotation block is arranged around the seat body along the circumferential direction; by means of the design, the structural strength of the carrier can be enhanced to a certain degree, the carrier is not damaged when the voice coil motor is impacted by external force, and a certain protection effect is achieved.
5. In the above scheme, the outer side wall of the base body is convexly provided with the winding post, and the winding post is used for positioning the wire end of the coil of the voice coil motor.
6. In the above scheme, each first dispensing groove is uniformly distributed on the upper end surface along the circumferential direction of the first through hole.
7. In the above scheme, each positioning column and each second dispensing groove are arranged around the lower end face along the circumferential direction.
8. In the above scheme, the dust ring is arranged around the second through hole to play a role in sealing the voice coil motor carrier.
9. In the scheme, through the arrangement of the three bottom bosses, on one hand, the surface parallelism and the planeness of the three bottom bosses are only required to be ensured, and compared with the conventional groove on the whole lower surface, the area required by the surface parallelism and the planeness is greatly reduced, the requirement on a mold is reduced, and the production cost is reduced; on the other hand, through the design of this kind of bellied of bottom boss to and arranging of "triangle-shaped", can also be convenient for client enterprise to be connected the location with other subassemblies of camera (like the support), and can promote the stability after the location.
10. In the above scheme, the upper surface of the flat cover body is further provided with an anti-rotation bump, and the anti-rotation bump is arranged corresponding to the carrier and used for positioning the carrier.
11. In the above scheme, the second pre-pressing projection and the first pre-pressing projection are arranged in a matching manner, and both act on the lower elastic sheet together to enable the lower elastic sheet to generate pre-deformation. The pre-deformation can help the carrier to have a small displacement when the coil is suddenly electrified, and the carrier cannot be damaged.
12. In the above scheme, the lower surface of the flat cover body is further provided with a plurality of PIN PINs for electrically coupling other components of the camera.
13. In the above-mentioned scheme, the lower surface of the flat cover body is provided with a bottom surface groove around the second through hole, and each bottom boss is arranged in the bottom surface groove.
The utility model discloses a theory of operation and advantage as follows:
compared with the prior art, the utility model discloses:
one, through the design of preventing slow-witted mechanism, avoid the supplier to make mistakes the direction when the wire winding on the one hand, cause the former material bad, on the other hand avoids in the production process, and operating personnel need carry out the differentiation of direction when putting the carrier, and is just unreliable consuming time and energy, can avoid because of the product that the wrong direction of carrier pendulum caused is bad, has improved the production yield. Meanwhile, the automatic carrier placement can be realized through a visual detection device, and conditions are created for the full-automatic production of products;
through the design of the boss at the bottom, the assembling precision of a customer is not influenced, the assembling yield of the customer can be effectively improved, and the processing cost of the die can be reduced.
Drawings
FIG. 1 is a schematic top view of a carrier according to an embodiment of the present invention;
fig. 2 is a top perspective view of a carrier according to an embodiment of the present invention;
FIG. 3 is a schematic bottom view of a carrier according to an embodiment of the present invention;
FIG. 4 is a bottom perspective view of the carrier according to the embodiment of the present invention;
fig. 5 is a perspective view of the upper viewing angle of the lower cover according to the embodiment of the present invention;
FIG. 6 is a schematic structural view of the lower surface of the lower cover according to the embodiment of the present invention;
fig. 7 is an exploded perspective view of an embodiment of the present invention.
In the above drawings: 1. a base body; 2. a groove; 3. a first through hole; 4. an upper end surface; 5. a first dispensing slot; 7. a lower end face; 8. a positioning column; 9. a second glue dispensing groove; 10. an outer sidewall; 11. a winding post; 12. an anti-rotation stop block; 13. a limiting block; 14. a first pre-pressing projection; 21. a flat cover body; 22. a second through hole; 23. an upper surface; 24. a positioning column; 25. hot melting the column; 26. a dust ring; 27. a lower surface; 28. a bottom surface groove; 29. a bottom boss; 30. an anti-rotation projection; 31. a second pre-pressing bump; PIN 32.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): referring to fig. 1 to 4 and 7, a newly designed voice coil motor assembly is formed by assembling and matching a carrier and a lower cover in the vertical direction; wherein,
the carrier comprises a base body 1, a first through hole 3 is formed in the base body 1 along the vertical direction, and a screw thread is arranged in the first through hole 3 and used for assembling a lens of a camera.
A plurality of first dispensing grooves 5 are formed in the upper end surface 4 of the base body 1, and each first dispensing groove 5 is concavely formed in the upper end surface 4 and is connected with an upper elastic sheet (not shown) of the positioning voice coil motor through adhesion. The first dispensing grooves 5 are uniformly distributed on the upper end surface 4 along the circumferential direction of the first through hole 3.
A plurality of positioning columns 8 and a plurality of second glue dispensing grooves 9 are arranged on the lower end surface 7 of the seat body 1; each positioning column 8 is convexly arranged on the lower end surface 7 and abuts against and positions the upper surface 23 of the lower cover; each second dispensing groove 9 is concavely arranged on the lower end surface 7 and is connected with a lower spring plate (not shown) of the positioning voice coil motor through bonding. Each of the positioning columns 8 and each of the second dispensing grooves 9 are arranged around the lower end surface along the circumferential direction. The lower end face 7 of the seat body 1 is convexly provided with a first prepressing lug 14 which acts on the lower elastic sheet.
The outer side wall 10 of the seat body 1 is provided with a groove 2 along the vertical direction, one side of the carrier is different from the other three sides in size, so that the purpose of visual fool-proofing is achieved, and meanwhile, the visual detection device can be used for visual detection equipment of automatic production, and the defects of manual carrier placement are overcome;
and still be equipped with at least one stopper 13 on the lateral wall 10 to play the spacing effect of tool, efficiency and accuracy when being convenient for improve the carrier and place.
A plurality of anti-rotation stop blocks 12 are convexly arranged on the outer side wall 10 of the seat body 1 outwards. Each anti-rotation block 12 is arranged around the seat body 1 along the circumferential direction; by means of the design, the structural strength of the carrier can be enhanced to a certain degree, the carrier is not damaged when the voice coil motor is impacted by external force, and a certain protection effect is achieved.
The outer side wall 10 of the base body 1 is provided with a winding post 11 protruding outwards, and the winding post 11 is used for positioning the wire end of a voice coil motor coil (not shown).
As shown in fig. 5 and 6, the lower cover includes a rectangular flat cover body 21, a second through hole 22 is formed in the middle of the flat cover body 21, and the second through hole 22 is coaxially disposed with the first through hole 3; wherein,
the upper surface 23 of the flat cover body 21 is provided with four positioning columns 24, a plurality of hot melting columns 25 and a dustproof ring 26; the positioning posts 24 respectively correspond to four corners of the upper surface 23, and are used for connecting and positioning a yoke (not shown) of the voice coil motor; each hot-melting column 25 is arranged in an upward protruding mode and used for welding and positioning the lower elastic sheet; the dust ring 26 is disposed around the second through hole 22, concentric with the second through hole 22, and plays a role in sealing the carrier.
The upper surface 23 of the flat cover 21 is further provided with a second pre-pressing projection 31, the second pre-pressing projection 31 is matched with the first pre-pressing projection 14 on the carrier, and the second pre-pressing projection 31 and the first pre-pressing projection 14 act on the lower elastic sheet together to generate pre-deformation. The pre-deformation can help the carrier to have a small displacement when the coil of the voice coil motor is electrified suddenly, and the carrier cannot be damaged.
The lower surface 27 of the flat cover body 21 is provided with a bottom surface groove 28 around the second through hole 22, the bottom surface groove 28 is provided with three bottom bosses 29, each bottom boss 29 surrounds the second through hole 22 and is arranged at an angle of 120 degrees, and the connecting lines of the flat cover body, the second through hole and the bottom bosses form an equilateral triangle. By the design, on one hand, the surface parallelism and the planeness of the three-bottom boss 29 are only required to be ensured, and compared with the conventional whole bottom groove 28, the area required by the surface parallelism and the planeness is greatly reduced, the requirement on a mold is reduced, and the production cost is reduced; on the other hand, through the design of the bulge of the bottom boss 29 and the arrangement of the triangle, a customer enterprise can conveniently connect and position the voice coil motor and other components (such as a bracket) of the camera, and the stability after positioning can be improved.
The upper surface 23 of the flat cover 21 is further provided with an anti-rotation bump 30, and the anti-rotation bump 30 is disposed corresponding to the carrier and is used for positioning the carrier.
The lower surface 27 of the flat cover 21 is further provided with a plurality of PIN PINs 32 for electrically coupling with other components of the camera.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. A voice coil motor subassembly of new design which characterized in that:
is formed by assembling and matching a carrier and a lower cover along the up-down direction; wherein,
the carrier comprises a seat body, wherein a first through hole is formed in the seat body along the vertical direction and used for assembling a lens of the camera;
the upper end face of the base body is provided with a plurality of first dispensing grooves, and each first dispensing groove is concavely arranged on the upper end face and is connected with an upper elastic sheet of the positioning voice coil motor through bonding;
a plurality of positioning columns and a plurality of second glue dispensing grooves are arranged on the lower end surface of the base body; each positioning column is convexly arranged on the lower end surface and abuts against and positions the upper surface of the lower cover; each second glue dispensing groove is arranged on the lower end face in a concave mode and is connected with a lower elastic sheet of the positioning voice coil motor in an adhering mode; a first prepressing lug is convexly arranged on the lower end surface of the seat body and acts on the lower elastic sheet;
the outer side wall of the seat body is provided with a groove along the vertical direction, and the outer side wall is also provided with at least one limiting block; in addition, a plurality of anti-rotation stop blocks are convexly arranged on the outer side wall outwards, and each anti-rotation stop block is positioned relative to the yoke of the voice coil motor;
the lower cover comprises a rectangular flat cover body, a second through hole is formed in the middle of the flat cover body, and the second through hole and the first through hole are coaxially arranged; wherein,
the upper surface of the flat cover body is provided with four positioning columns, a plurality of hot melting columns and a dustproof ring; each positioning column corresponds to four corners of the upper surface respectively and is used for connecting and positioning a yoke of the voice coil motor; each hot melting column is arranged in an upward protruding mode and used for welding and positioning the lower elastic sheet; the dustproof ring is arranged around the second through hole and is concentric with the second through hole; the upper surface of the flat cover body is also provided with a second prepressing lug which is matched with the first prepressing lug on the carrier, and the second prepressing lug and the first prepressing lug jointly act on the lower elastic sheet to cause the lower elastic sheet to generate predeformation;
the lower surface of the flat cover body is provided with three bottom bosses, the bottom bosses surround the second through holes and are arranged at an angle of 120 degrees, and a connecting line of the bottom bosses, the second through holes and the third through holes is a triangle.
2. The assembly of claim 1, wherein: each anti-rotation check block is arranged on the periphery of the seat body along the circumferential direction.
3. The assembly of claim 1, wherein: the outer side wall of the base body is convexly provided with a winding post which is used for positioning the wire end of the coil of the voice coil motor.
4. The assembly of claim 1, wherein: each first dispensing groove is uniformly distributed on the upper end face along the circumferential direction of the first through hole.
5. The assembly of claim 1, wherein: each positioning column and each second glue dispensing groove are arranged on the periphery of the lower end face along the circumferential direction.
6. The assembly of claim 1, wherein: the upper surface of the flat cover body is also provided with an anti-rotation lug which is arranged corresponding to the carrier.
7. The assembly of claim 1, wherein: the lower surface of platykurtic lid still is equipped with a plurality of PIN feet for other subassemblies of camera are coupled to the electrical property.
8. The assembly of claim 1, wherein: the lower surface of the flat cover body is provided with a bottom surface groove around the second through hole, and each bottom boss is arranged in the bottom surface groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423947.7U CN208158407U (en) | 2018-03-27 | 2018-03-27 | A kind of newly-designed voice coil motor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423947.7U CN208158407U (en) | 2018-03-27 | 2018-03-27 | A kind of newly-designed voice coil motor assembly |
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| Publication Number | Publication Date |
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| CN208158407U true CN208158407U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820423947.7U Expired - Fee Related CN208158407U (en) | 2018-03-27 | 2018-03-27 | A kind of newly-designed voice coil motor assembly |
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| Country | Link |
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| CN (1) | CN208158407U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322011A (en) * | 2018-03-27 | 2018-07-24 | 苏州聚力电机有限公司 | A kind of newly-designed voice coil motor assembly |
-
2018
- 2018-03-27 CN CN201820423947.7U patent/CN208158407U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322011A (en) * | 2018-03-27 | 2018-07-24 | 苏州聚力电机有限公司 | A kind of newly-designed voice coil motor assembly |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20200327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |