CN201096949Y - Lens assembly - Google Patents
Lens assembly Download PDFInfo
- Publication number
- CN201096949Y CN201096949Y CNU2007200018833U2007200018833U CN200720001883U CN201096949Y CN 201096949 Y CN201096949 Y CN 201096949Y CN U2007200018833U2007200018833 U CNU2007200018833U2007200018833 U CN U2007200018833U2007200018833U CN 200720001883 U CN200720001883 U CN 200720001883U CN 201096949 Y CN201096949 Y CN 201096949Y
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- Prior art keywords
- guidance part
- lens assembly
- actuator
- sensor
- utility
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Abstract
The utility model relates to a lens component, which comprises a sensor, an actuator arranged above the sensor and a lens tabled with the actuator, wherein, the direction vertical to the plane surface on which the sensor is positioned is defined as the vertical direction; the actuator comprises an inner surface and a first guiding part, the first guiding part is arranged on the inner surface along the vertical direction; the lens part comprises an outer surface and a second guiding part, and the second guiding part is arranged on the outer surface along the vertical direction; wherein, the first guiding part and the second guiding part are constructed into a mutual liner embedded structure.
Description
Technical field
The utility model relates generally to a kind of lens assembly, relates in particular to the lens assembly of the chimeric assembling of a kind of linearity.
Background technology
Along with popularizing that mobile phone uses, the world market also increases for the demand of multi-functional mobile phone thereupon day by day.Wherein, provide the multi-functional mobile phone of camera function, especially become the focus that each side paid close attention in recent years.
Provide the key component of the multi-functional mobile phone of camera function to comprise micro-camera assembly (compact camera module; CCM).Generally speaking, the micro-camera assembly comprises automatic focus actuator (AF actuator), lens assembly, sensor and shutter part etc.Wherein, consider purposes such as integrally-built miniaturization and Linear Driving, focus actuator is used voice coil motor (voice-coil motor usually automatically; VCM).
The structure of voice coil motor mainly comprises suspension mechanism, is wrapped in the coil of this suspension mechanism and is arranged on this suspension mechanism magnet on every side.Utilize the effect of coil and magnet, make suspension mechanism carry out displacement linearly.When lens assembly is installed in suspension mechanism,, can reach the linear effect of focusing automatically by the effect of voice coil motor.Wherein, between voice coil motor and lens assembly, assemble by the mode of thread engagement usually.
Fig. 1 is the structural representation of known lens assembly 11 with spiral assembling.Lens assembly 21 has respectively with voice coil motor 31 can intermeshing thread (28,38).With pack into the in rotary manner suspension mechanism (not shown) of voice coil motor 31 of lens assembly 21, utilize the number of turns of thread rotation, can adjust the distance between sensor 41 and the lens assembly 21; After the distance that arrives expectation, utilize the mode of some glue, inject tackifier and lens assembly 21 is fixed to voice coil motor 31.
Thread on lens assembly and the voice coil motor uses the injection molding mode to make usually.Because its structure is comparatively complicated, the stability deficiency through regular meeting owing to injection molding technology, and when assembling, can't mesh smoothly, and then cause the decrease in yield of production.
In addition, when the mode of utilizing the thread engagement is assembled, must adjust the vertical range of camera lens and sensor surface by the rotation of thread.Owing to be difficult to control the torsion of rotation, cause the damage of suspension mechanism easily.And lens assembly and sensor surface also are easy to generate the inclination angle.Therefore, use the mode of thread engagement to assemble, remove assembling speed slow, the also yield rate of wayward production.
For all problems and the shortcoming that solves known technology, expect to have a kind of novelty and improved lens assembly now, can utilize the guidance part of linear chimeric assembling, make camera lens successfully be fitted to voice coil motor, to improve speed, yield rate and the stability of producing.
The utility model content
For addressing the above problem, the purpose of this utility model is the guidance part by the chimeric assembling of linearity, improving the not good shortcoming of known technology stability, and the rate of manufacturing a finished product of lens assembly is improved.
Another purpose of the present utility model is the guidance part by the chimeric assembling of linearity, rotation with the restriction camera lens, the vertical direction that makes camera lens can only do one dimension moves, in the perpendicular displacement process of adjusting between camera lens and the sensor surface, reduce the inclination angle of camera lens and sensor surface, the stability that makes assembling speed improve and realize assembling more.
According to an aspect of the present utility model, a kind of lens assembly comprises: sensor wherein will be defined as vertical direction perpendicular to the direction on this plane, sensor place; Be arranged on the actuator of this sensor top, this actuator comprises the inside surface and first guidance part, and this first guidance part is arranged on this inside surface along this vertical direction; And the lens assembly chimeric with this actuator, this lens assembly comprises the outside surface and second guidance part, and this second guidance part is arranged on this outside surface along this vertical direction; Wherein this first guidance part and this second guidance part are configured as the chimeric structure of mutual linearity.
In preferred embodiments more of the present utility model, this actuator is a voice coil motor.
In preferred embodiments more of the present utility model, this second guidance part is to form by the outside surface of giving prominence to this lens assembly, and this first guidance part is to form by the inside surface that is recessed into this actuator; Perhaps, this second guidance part is to form by the outside surface that is recessed into this lens assembly, and this first guidance part is to form by the inside surface of giving prominence to this actuator.
In preferred embodiments more of the present utility model, this first guidance part and this second guidance part form in the injection molding mode.
In preferred embodiments more of the present utility model, this actuator is provided with a plurality of these first guidance parts, and this lens assembly is provided with a plurality of these second guidance parts.
According on the other hand of the present utility model, a kind of digital image capture device comprises lens assembly, and this lens assembly comprises: sensor wherein will be defined as vertical direction perpendicular to the direction on this plane, sensor place; Be arranged on the actuator of this sensor top, this actuator comprises the inside surface and first guidance part, and this first guidance part is arranged on this inside surface along this vertical direction; And the lens assembly chimeric with this actuator, this lens assembly comprises the outside surface and second guidance part, and this second guidance part is arranged on this outside surface along this vertical direction; Wherein this first guidance part and this second guidance part are configured as the chimeric structure of mutual linearity.
In preferred embodiments more of the present utility model, this actuator is a voice coil motor.
In preferred embodiments more of the present utility model, this second guidance part is to form by the outside surface of giving prominence to this lens assembly, and this first guidance part is to form by the inside surface that is recessed into this actuator; Perhaps, this second guidance part is to form by the outside surface that is recessed into this lens assembly, and this first guidance part is to form by the inside surface of giving prominence to this actuator.
In preferred embodiments more of the present utility model, this first guidance part and this second guidance part form in the injection molding mode.
In some preferred embodiments of utility model, this actuator is provided with a plurality of these first guidance parts, and this lens assembly is provided with a plurality of these second guidance parts.
In some preferred embodiments of utility model, this digital image capture device is digital camera or digital code camera.
Description of drawings
Fig. 1 is the exploded view of known lens assembly;
Fig. 2 is the exploded view of the lens assembly of the chimeric assembling of linearity of the present utility model;
Fig. 3 is the sectional view of the lens assembly among Fig. 2; And
Fig. 4 is the lens assembly in the utility model and the synoptic diagram of digital image capture device.
Embodiment
Can be by the explanation of preferred embodiment of the present utility model being carried out below in conjunction with accompanying drawing, and further understand the purpose of this utility model, function, feature and advantage.
At first, with reference to figure 2, the lens assembly of the chimeric assembling of linearity of the present utility model is described.
In some preferred embodiments, this actuator 30 is known voice coil motor.In other preferred embodiment of the present utility model, this actuator 30 also can provide the motor of linear driving force for other.
In some preferred embodiments, this second guidance part 22 is to form by the outside surface 24 of giving prominence to this lens assembly 20, and this first guidance part 32 is to form by the inside surface 34 that is recessed into this actuator 30; Perhaps, this second guidance part 22 is to form by the outside surface 24 that is recessed into this lens assembly 20, and this first guidance part 32 is to form by the inside surface 34 of giving prominence to this actuator 30.
In some preferred embodiments, this first guidance part 32 and this second guidance part 22 form in the injection molding mode.In other preferred embodiment, this first guidance part 32 and this second guidance part 22 also can utilize other processing mode to form, and for example, form with mold pressing or cutting way.
In some preferred embodiments, this actuator 30 is provided with a plurality of these first guidance parts 32, and this lens assembly 20 is provided with a plurality of these second guidance parts 22.
Further with reference to figure 3, the process that this first guidance part 32 and this second guidance part 22 are chimeric is described.
Fig. 3 is the sectional view of the lens assembly 10 of Fig. 2.This lens assembly 20 and this actuator 30 have respectively can be chimeric mutually second guidance part 22 and first guidance part 32.Further comprise camera lens 26 in this lens assembly 20.Be fitted to this first guidance part 32 by these second guidance part, 22 linearities, with this lens assembly 20 with the chimeric mode of linearity this actuator 30 of packing into, control the degree of depth that this second guidance part 22 embeds, can adjust between this sensor 40 and this lens assembly 20 apart from S; After the distance that arrives expectation, utilize the mode of some glue, inject tackifier and this lens assembly 20 is fixed to this actuator 30.
Secondly, with reference to figure 4, the synoptic diagram of lens assembly 10 of the present utility model and digital image capture device 100 is described.
Digital image capture device 100 in of the present utility model comprises lens assembly 10, lens driving apparatus 50 and image signal processing apparatus 60.This lens assembly 10 comprises: sensor 40, actuator 30 and lens assembly 20.These lens driving apparatus 50 output electric signal are to this actuator 30, Linear Driving function by this actuator 30, make this camera lens 26 carry out displacement (arrow X) with respect to this sensor 40, and adjust suitable focal length, this sensor 40 is after the image light signals that receives from this camera lens 26, change image light signals into electric signal, and transmit signals to this image signal processing apparatus 60.Should understand the main composition assembly that digital image capture device 100 of the present utility model only illustrates digital image capture device.Carry out other required device of digital image acquisition, as supply unit or shutter device etc., and not shown.But these devices belong to common practise to those skilled in the art.
In preferred embodiments more of the present utility model, this digital image capture device 100 is digital camera or digital code camera.
It should be understood that for convenience and clearly and express that what use in this manual is the space term of contrast with the accompanying drawing, for example " top ", " below ", " vertically " and " level " all are the literal of relativity.These terms are not restricted and absolute.
In addition, be understood that any suitable substitute that can use sensor 40, for example, CCD or cmos sensor etc.These substitutes and impartial the variation it will be apparent to those skilled in the art that.
Though it is open in detail that the utility model has utilized above-mentioned preferred embodiment to carry out; but it is not in order to limit the utility model; those skilled in the art; under the situation that does not break away from spirit and scope of the present utility model; can make variations and modifications, therefore protection domain of the present utility model should be considered to be limited by appending claims.
Claims (6)
1. lens assembly is characterized in that this lens assembly comprises:
Sensor will be defined as vertical direction perpendicular to the direction on this plane, sensor place;
Be arranged on the actuator of this sensor top, this actuator comprises the inside surface and first guidance part, and this first guidance part is arranged on this inside surface along this vertical direction; And
The lens assembly chimeric with this actuator, this lens assembly comprise outside surface and second guidance part linear chimeric mutually with this first guidance part, and this second guidance part is arranged on this outside surface along this vertical direction.
2. assembly as claimed in claim 1 is characterized in that this actuator is a voice coil motor.
3. assembly as claimed in claim 1 it is characterized in that this second guidance part is to form by the outside surface of giving prominence to this lens assembly, and this first guidance part is to form by the inside surface that is recessed into this actuator.
4. assembly as claimed in claim 1 it is characterized in that this second guidance part is to form by the outside surface that is recessed into this lens assembly, and this first guidance part is to form by the inside surface of giving prominence to this actuator.
5. assembly as claimed in claim 1 is characterized in that this first guidance part and this second guidance part form in the injection molding mode.
6. assembly as claimed in claim 1 it is characterized in that this actuator is provided with a plurality of these first guidance parts, and this lens assembly is provided with a plurality of these second guidance parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200018833U2007200018833U CN201096949Y (en) | 2007-01-19 | 2007-01-19 | Lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200018833U2007200018833U CN201096949Y (en) | 2007-01-19 | 2007-01-19 | Lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201096949Y true CN201096949Y (en) | 2008-08-06 |
Family
ID=39924002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200018833U2007200018833U Expired - Fee Related CN201096949Y (en) | 2007-01-19 | 2007-01-19 | Lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201096949Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550176A (en) * | 2015-09-22 | 2017-03-29 | 群光电子股份有限公司 | Lens focusing method and optical module |
-
2007
- 2007-01-19 CN CNU2007200018833U2007200018833U patent/CN201096949Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106550176A (en) * | 2015-09-22 | 2017-03-29 | 群光电子股份有限公司 | Lens focusing method and optical module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20150119 |
|
| EXPY | Termination of patent right or utility model |