CN208158404U - A kind of voice coil motor upper cover with novel terminal structure - Google Patents
A kind of voice coil motor upper cover with novel terminal structure Download PDFInfo
- Publication number
- CN208158404U CN208158404U CN201820423422.3U CN201820423422U CN208158404U CN 208158404 U CN208158404 U CN 208158404U CN 201820423422 U CN201820423422 U CN 201820423422U CN 208158404 U CN208158404 U CN 208158404U
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- voice coil
- coil motor
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- 238000003466 welding Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 4
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 28
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
A kind of voice coil motor upper cover with novel terminal structure, lid middle part offer first through hole, align 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 first through hole and concentric setting；Lid lower surface is set there are three bottom boss, and around first through hole and mutually in 120 degree of angle arrangements, the line for constituting three is triangle.Multiple terminals are equipped in lid, each terminal includes integrally formed top and bottom；Upper end includes integrally formed first layer and the second layer, is both horizontally disposed with and in vertical direction clearance fit；The second layer is located at below first layer, and the second layer is connected in the top of lower end, and lower end is vertically arranged；The second through-hole is offered on the second layer, constituting the second layer has a cyclic structure.
Description
Technical Field
The utility model relates to a voice coil motor of miniature camera, concretely relates to voice coil motor lower cover with novel terminal structure. The miniature camera can be assembled and applied to thin electronic products such as mobile phones, tablet computers and intelligent watches.
Background
In prior art camera Voice Coil Motor (VCM) designs, the structure typically includes a carrier positioned within a housing formed by a yoke and a lower cover of the motor. 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 base body 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.
At present, 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 equipment 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.
In addition, a plurality of PIN feet are assembled in the lower cover of the voice coil motor, the upper end of each PIN foot is positioned on the upper surface of the upper cover, and the lower end of each PIN foot penetrates through the lower cover and extends out of the lower surface of the lower cover. At present, in the design of the existing voice coil motor, the upper end of the PIN is simple in structure, is in a single-layer sheet shape, and is in an L shape with the lower end at 90 degrees, so that bending deformation is easily caused; meanwhile, when a voice coil motor and other product components are welded in a subsequent customer enterprise, the existing PIN is easy to jack up, and poor performance is caused.
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 lower cover with novel terminal structure.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a lower cover of a voice coil motor with a novel terminal structure comprises a rectangular flat cover body, wherein a first through hole is formed in the middle of the flat cover body and is used for aligning a camera lens in the voice coil motor; 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 a lower elastic sheet of the voice coil motor; the dustproof ring is arranged around the first through hole and is concentric with the first through hole;
the lower surface of the flat cover body is provided with three bottom bosses, the bottom bosses are arranged around the first through hole and are arranged at an angle of 120 degrees with each other, and the connecting line of the three bosses is a triangle;
the flat cover body is internally provided with a plurality of terminals, and each terminal comprises an upper end and a lower end which are integrally bent;
the upper end comprises a first layer and a second layer which are integrally bent, the first layer and the second layer are both horizontally arranged and are in clearance fit in the vertical direction;
the second layer is positioned below the first layer, the lower end of the second layer is vertically arranged, and the second layer at the upper end of the second layer is connected to the upper part of the lower end of the second layer; and a second through hole is formed in the second layer along the vertical direction, so that the second layer is formed to have a horizontally arranged annular structure.
The relevant content in the above technical solution is explained as follows:
1. in the above scheme, the dust ring is arranged around the first through hole, and plays a role in sealing the voice coil motor carrier.
2. 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.
3. 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 voice coil motor carrier and used for positioning the carrier.
4. In the above-mentioned scheme, the lower surface of the flat cover body is provided with a bottom surface groove around the first through hole, and each bottom boss is arranged in the bottom surface groove.
5. In the above scheme, through with the upper end of terminal is established to first layer and the second floor of integrative buckling, and both clearance fit in vertical direction, borrows this design, can promote the structural strength of terminal, and the terminal upper and lower extreme angular deformation that causes when the effectual terminal punching press of avoiding.
6. In the above embodiment, a horizontal ring structure may be formed in the second layer by the second through hole. Borrow this design, can effectively increase the area of terminal pad to increase and bury the area underground when the lower cover combines, and then effectively improve and bury the firmness underground, promote the stability that terminal and lower cover combine.
7. In the above scheme, the second through hole is a circular hole, and the annular structure is a circular ring structure.
8. In the above scheme, the second layer at the upper end and the lower end are arranged at 90 degrees.
The utility model discloses a theory of operation and advantage as follows:
compared with the prior art, the utility model discloses:
through the design of the boss at the bottom in the lower cover, the assembly precision of a customer is not influenced, the assembly yield of the customer can be effectively improved, and the processing cost of a die can be reduced;
two, the terminal adopts the innovative design, has both promoted the structural strength of terminal, and the effectual terminal upper and lower extreme angular deformation that causes when having avoided the terminal punching press has increased the area of terminal pad again to increase the area of burying underground when combining with the lower cover, and then effectively improve the fastness of burying underground, promote the stability that terminal and lower cover combine.
Drawings
FIG. 1 is a perspective view of an upper viewing angle of an embodiment of the present invention;
FIG. 2 is a schematic structural view of the lower surface of the embodiment of the present invention;
fig. 3 is a side view of a terminal according to an embodiment of the present invention;
fig. 4 is a schematic top view of a second layer of a terminal according to an embodiment of the present invention.
FIG. 5 is a top view of a lower cover according to an embodiment of the present invention;
fig. 6 is a side view of a lower cover according to an embodiment of the present invention.
In the above drawings: 1. a flat cover body; 2. a first through hole; 3. an upper surface; 4. a positioning column; 5. hot melting the column; 6. a dust ring; 7. a lower surface; 8. a bottom surface groove; 9. a bottom boss; 10. an anti-rotation projection; a terminal; 12. a lower cover; 13. an inner weld location; 14. an upper end; 15. a lower end; 16. a first layer; 17. a second layer; 18. a circular hole; 19. a circular ring structure.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
example (b): referring to fig. 1 to 6, a voice coil motor lower cover with a novel terminal structure,
the voice coil motor comprises a rectangular flat cover body 1, wherein a first through hole 2 is formed in the middle of the flat cover body 1, and the first through hole 2 is used for aligning a camera lens in the voice coil motor; wherein,
the upper surface 3 of the flat cover body 1 is provided with four positioning columns 4, a plurality of hot melting columns 5 and a dustproof ring 6; the positioning columns 4 respectively correspond to four corners of the upper surface 3 and are used for connecting and positioning a yoke (not shown) of a voice coil motor; each hot melting column 5 is arranged in an upward protruding manner and used for welding and positioning a lower elastic sheet (not shown in the figure) of the voice coil motor; the dustproof ring 6 surrounds the first through hole 2 and is concentric with the first through hole 2 to play a role in sealing the voice coil motor carrier.
The lower surface 7 of the flat cover body 1 surrounds the first through hole 2 and is provided with a bottom surface groove 8, the bottom surface groove 8 is provided with three bottom bosses 9, each bottom boss 9 surrounds the first through hole 2 and is mutually arranged at an angle of 120 degrees, and a connecting line of the flat cover body and the first through hole 2 is an equilateral triangle. By the design, on one hand, only the surface parallelism and the planeness of the three-bottom boss 9 need to be ensured, and compared with the conventional whole bottom groove 8, 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 9 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.
The upper surface 3 of the flat cover 1 is further provided with an anti-rotation bump 10, and the anti-rotation bump 10 is arranged corresponding to a carrier of the voice coil motor and used for positioning the carrier.
As shown in fig. 3 to 6, a plurality of terminals 11 are mounted in the flat cover 1, and each of the terminals 11 is mounted in an inner welding position 13 of the lower cover 12.
The terminal 11 comprises an upper end 14 and a lower end 15 which are integrally bent; wherein,
the upper end 14 comprises a first layer 16 and a second layer 17 which are integrally bent, the first layer 16 and the second layer 17 are both horizontally arranged and are in clearance fit in the vertical direction; by means of the design, the structural strength of the terminal 11 can be improved, and the deformation of the upper end angle and the lower end angle of the terminal caused by the stamping of the terminal 11 can be effectively avoided.
The second layer 17 is located below the first layer 16, the lower end 15 is vertically arranged, the second layer 17 of the upper end 14 is connected to the upper portion of the lower end 15, and the second layer 17 of the upper end 14 and the lower end 15 are arranged at 90 degrees. Moreover, a circular hole 18 is formed in the second layer 17 along the vertical direction, so that the second layer 17 has a horizontally arranged circular ring structure 19. By means of the design, the area of the terminal pad can be effectively increased, so that the embedding area when the terminal pad is combined with the inner welding position 13 of the lower cover 12 is increased, the embedding firmness is effectively improved, and the stability of combining the terminal 11 and the lower cover 12 is improved.
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 (6)
1. The utility model provides a voice coil motor lower cover with novel terminal structure which characterized in that:
the voice coil motor comprises a rectangular flat cover body, wherein a first through hole is formed in the middle of the flat cover body and is used for aligning a camera lens in the voice coil motor; 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 a lower elastic sheet of the voice coil motor; the dustproof ring is arranged around the first through hole and is concentric with the first through hole;
the lower surface of the flat cover body is provided with three bottom bosses, the bottom bosses are arranged around the first through hole and are arranged at an angle of 120 degrees with each other, and the connecting line of the three bosses is a triangle;
the flat cover body is internally provided with a plurality of terminals, and each terminal comprises an upper end and a lower end which are integrally bent;
the upper end comprises a first layer and a second layer which are integrally bent, the first layer and the second layer are both horizontally arranged and are in clearance fit in the vertical direction;
the second layer is positioned below the first layer, the lower end of the second layer is vertically arranged, and the second layer at the upper end of the second layer is connected to the upper part of the lower end of the second layer; and a second through hole is formed in the second layer along the vertical direction, so that the second layer is formed to have a horizontally arranged annular structure.
2. The lower cover according to claim 1, wherein: the upper surface of the flat cover body is also provided with an anti-rotation lug, the anti-rotation lug corresponds to an anti-rotation stop block on the voice coil motor carrier, and the anti-rotation lug and the anti-rotation stop block are matched for positioning the carrier.
3. The lower cover according to claim 1, wherein: the upper surface of the flat cover body is also provided with a prepressing lug, the prepressing lug is matched with the prepressing lug on the voice coil motor carrier, and the prepressing lug jointly act on the lower elastic sheet to enable the lower elastic sheet to generate predeformation.
4. The lower cover according to claim 1, wherein: the lower surface of the flat cover body is provided with a bottom surface groove around the first through hole, and each bottom boss is arranged in the bottom surface groove.
5. The lower cover according to claim 1, wherein: the second through hole is a round hole, and the annular structure is a circular ring structure.
6. The lower cover according to claim 1, wherein: the second layer of the upper end and the lower end are arranged at 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423422.3U CN208158404U (en) | 2018-03-27 | 2018-03-27 | A kind of voice coil motor upper cover with novel terminal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820423422.3U CN208158404U (en) | 2018-03-27 | 2018-03-27 | A kind of voice coil motor upper cover with novel terminal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158404U true CN208158404U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820423422.3U Expired - Fee Related CN208158404U (en) | 2018-03-27 | 2018-03-27 | A kind of voice coil motor upper cover with novel terminal structure |
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| Country | Link |
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| CN (1) | CN208158404U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462361A (en) * | 2018-03-27 | 2018-08-28 | 苏州聚力电机有限公司 | A kind of voice coil motor upper cover with novel terminal structure |
-
2018
- 2018-03-27 CN CN201820423422.3U patent/CN208158404U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108462361A (en) * | 2018-03-27 | 2018-08-28 | 苏州聚力电机有限公司 | A kind of voice coil motor upper cover with novel terminal structure |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 |