CN100573215C

CN100573215C - Portable terminal lens assembly with macro function

Info

Publication number: CN100573215C
Application number: CNB2006100885513A
Authority: CN
Inventors: 洪斋完
Original assignee: SIKENIS CO Ltd
Current assignee: SIKENIS CO Ltd
Priority date: 2005-06-03
Filing date: 2006-06-02
Publication date: 2009-12-23
Anticipated expiration: 2026-06-02
Also published as: KR100573576B1; JP2006338026A; CN1873457A

Abstract

The present invention relates to a kind of portable terminal lens assembly, comprising: be installed in the lens barrel on the camera lens with macro function; The support unit that holds the lens barrel lower end; Be fastened on the lens barrel outer cylinder and order about lens barrel rotation, form the microspur driver element of the guiding dip plane that tilts along the periphery of its upper end; Between support unit and microspur driver element, along its upside position of outer side contacts of microspur driver element, up elasticity is supported the elastic component of microspur driver element; Be fixed on the upper end of support unit in the mode that is spaced a distance, its guiding projection can be toward the protecting cover of lower compression microspur driver element guiding dip plane.At this moment, elastic component can be around being inclusive in lens barrel outside in the support unit and the laminated spring that becomes one with it.The present invention not only can improve the convenience of assembling, makes the microspur driver element be positioned at the lens barrel outside, can prevent when microspur drives that impurity from appearring in lens barrel inside, significantly promotes the concentricity and the focusing function of camera lens.

Description

Portable terminal lens assembly with macro function

Technical field

The present invention relates to a kind of portable terminal photographic means, especially a kind of portable terminal lens assembly (LENS ASSEMBLY FOR A MOBILE PHONE EQUIPPED WITHMACRO FUNCTION) with macro function.

Background technology

Recently, portable terminal also provides diversified value-added functionalitys such as wireless Internet access and multimedia except intrinsic voice call function is provided.The a lot of mobile phones that occur have on the market all been installed the compact camera module that can take static images or video now, and this mobile phone is commonly referred to as camera cell phone.

Yet this portable terminal, the existing lens assembly of promptly installing on the camera cell phone can't intactly embody the function of convergent-divergent and microspur (feature) and so on owing to be subjected to the factor affecting such as restriction of installing space.Therefore, the image of subject that generally is positioned at unlimited distance by camera lens after imaging (being called " infinity focal length ") on the photosensory assembly of CCD or CIS (CMOS Image Sensor) and so on, in limited scope, regulate the spacing distance between camera lens and the photographic element, and then realize macro function.

As an example of prior art, Fig. 1 has exemplified Korean Patent and has openly announced lens assembly on 2005-7680 number " the optical zoom structure of the appended camera of mobile communication terminal " (on January 21st, 2005 is open).

Below in conjunction with Fig. 1 its action is further specified.Poke rod 30 is turned right when stirring, and the box thread 32 that is positioned on poke rod 30 inner cylinder will move toward 42 on the Zoom lens shell that right rotation and box thread 32 carry out the screw thread combination backward.44 of Zoom lens on the aforementioned Zoom lens shell 42 are near camera lens 20.Poke rod 30 is turned left when stirring, and the box thread 32 that is positioned on poke rod 30 inner cylinder will be toward anticlockwise, and 42 on Zoom lens shell moves forward, and Zoom lens 44 will be kept certain intervals with camera lens 20.

Lens assembly as shown in Figure 1 orders about Zoom lens by the poke rod 34 that has connected Zoom lens 40 with the screw thread combination and moves forward or backward, and then regulates the spacing distance of camera lens, has realized telephotography or macroshot function.

Aforementioned portable terminal revolves when turning around at poke rod with lens assembly, the only threaded pitch of the displacement of Zoom lens (pitch), compare with the rotation amount of poke rod, the displacement of Zoom lens is very little, therefore can't obtain to be enough to carry out the focal length of macroshot.

As another example of prior art, the structure of 2005-663 number " small portable terminal camera " (on January 6th, 2005 be open) of the open communique of Korean Patent is as follows.The tipper that inserts the first lens barrel outer cylinder along the outstanding pin of the lens group external diameter line slip campaign of going forward side by side, the aforementioned protrudent pin that extends out from the tipper of first lens barrel combines with the vertical sliding tray of first lens barrel, during the rotation of first lens barrel, lens group can be in vertical motion at optical axis direction along the sliding tray of first lens barrel.

According to aforementioned mechanism, because tipper is positioned on the outer cylinder of first lens barrel, from the tipper of the outstanding pin of lens group and first lens barrel in conjunction with being difficult for, because helping first lens barrel of lens group vertical alignment and first lens barrel of execution macro function independently makes separately, the concentricity of lens group and position adjustment are difficult for, and also are difficult for regulating the camera lens focus after assembling finishes.In addition, owing to closing on lens group, generate impurity between the tipper of first lens barrel and the protrudent pin of lens group because of friction, and then pollute lens barrel inside or camera lens face in order to regulate first lens barrel that the focal position is rotated motion.

Explanation as described above, existing portable terminal can't guarantee to be enough to realize the focal length of macro function with lens assembly, the assembly that provides in order to solve foregoing problems is difficult for assembling because its structure is too complicated, also is difficult for the concentricity and the focus of adjusting camera lens.

Summary of the invention

In order to solve aforesaid drawbacks, the purpose of this invention is to provide and a kind ofly can improve the assembling convenience, the microspur driver element is installed in impurity that the lens barrel outside may generate when stoping microspur to drive near near the camera lens, the portable terminal lens assembly of the concentricity of camera lens and focal adjustments function excellence.

In order to realize aforementioned purpose, the portable terminal with macro function of the present invention comprises the following units with lens assembly: be installed in the lens barrel on the camera lens; Supporting unit accommodating said lens cane lower part; Be fastened on the aforementioned lens barrel outer cylinder and order about the rotation of aforementioned lens barrel, formed the microspur driver element of the guiding dip plane that tilts along the periphery of its upper end; Between aforementioned support unit and microspur driver element, along the upside position of this microspur driver element of outer side contacts of aforementioned microspur driver element, up elasticity is supported the elastic component of this microspur driver element; Be positioned at the top of aforementioned microspur driver element, its guiding projection can be toward the protecting cover of the aforementioned microspur driver element guiding of lower compression dip plane.

At this moment, aforementioned elastic parts is with comparatively suitable around the lens barrel laminated spring outside and that become one with it that is inclusive in the aforementioned support unit.Have respectively on the inner cylinder of aforementioned microspur driver element and the outer cylinder of aforementioned lens barrel and can be attached to screw thread on the aforementioned lens barrel to aforementioned microspur driver element.

The upper end of aforementioned microspur driver element has a plurality of guiding dip plane that tilt along periphery, and aforementioned protecting cover has a plurality of guiding projections corresponding to aforementioned dip plane quantity.

Comparatively Shi Yi mode is, forms respectively on the inner cylinder of aforementioned microspur driver element and the outer cylinder of aforementioned lens barrel to be attached to screw thread on the aforementioned lens barrel to aforementioned microspur driver element.

Description of drawings

Fig. 1 is the lens assembly illustration figure of prior art.

Fig. 2 is the embodiment stereographic map of portable terminal of the present invention with lens assembly.

Fig. 3 is the embodiment exploded view of portable terminal of the present invention with lens assembly.

Description of reference numerals

110: protecting cover 110a: peristome

110b: guiding projection 110c: lid pin

110d: jack 120: lens barrel

120a, 130a: screw thread 130: microspur driver element

130b: guiding dip plane 130c: operating rod

140: laminated spring 150: support unit (Holder)

150a: through hole 150b: partition wall

150c: inserted block

Embodiment

The present invention is further described below in conjunction with drawings and Examples.Symbology on institute's drawings attached same or analogous member.

Fig. 2 is the embodiment stereographic map of portable terminal of the present invention with lens assembly, and Fig. 3 is the embodiment exploded view of portable terminal of the present invention with lens assembly.

As shown in Figures 2 and 3, portable terminal of the present invention has comprised protecting cover 110, lens barrel 120, microspur driver element 130, laminated spring 140 and support unit (Holder) 150 successively with the embodiment of lens assembly from the upper end.

Foursquare protecting cover 110 is positioned at the top of microspur driver element 130, can enter lens barrel inside in order to make from the image of subject incident, and the peristome 110a of central part allows the top exposure of lens barrel 120.Having formed highlightedly at certain intervals around the peristome 110a can be toward four guiding projection 110b of lower compression microspur driver element 130.

Each bight of protecting cover 110 has towards support unit 150 and lid pin (leg) 110c that extends laterally, and the end of lid pin has the jack 110d of fastening hook (hook) respectively.

More than one camera lens has been installed in lens barrel 120 inside, its exterior wall have can fastening microspur driver element 130 screw thread 120a.

The interior wall of microspur driver element 130 has screw thread 130a, can be fixed on the exterior wall upper end of lens barrel 120 by the screw thread combination.Outstanding upper end has four guiding dip plane 130b along the periphery inclination on the microspur driver element 130, and the guiding projection 110b of protecting cover 110 is corresponding with guiding dip plane 130b.The two ends of guiding dip plane 130b have formed the sill that have height difference in vertical direction, and its two ends boundary has formed pitch angle slowly, and the guiding projection can be slided on the dip plane swimmingly.According to aforesaid microspur driver element 130 structures,, just can lightheartedly adjust the stroke range of operating rod 130c as long as regulate width and/or the degree of tilt of guiding dip plane 130b.

In addition, the operating rod 130c that extends toward the outside from the upper end of microspur driver element 130 protrudes between the lid pin of support unit 110, and the user can make the microspur driver element be rotated motion by operating rod 130c.

Laminated spring 140 is between microspur driver element 130 and support unit 150, and along its upside position of outer side contacts of microspur driver element, up elasticity is supported the microspur driver element.As shown in the figure, laminated spring 140 can be the homogenous material of undulate and have a style of one's own, when therefore assembling laminated spring 14 place support unit 150 above, and then the inboard that the microspur driver element 130 that combines lens barrel 120 is inserted laminated springs 140.

The aforementioned panels spring has bigger area thickness ratio, and its tension force is greater than general wind spring, even the interval between support unit and the microspur driver element is shorter, also can give the support of microspur driver element elasticity effectively.And because the thickness of laminated spring has further relaxed the restriction to mechanism size less than existing wind spring.

Foursquare support unit 150 has the through hole 150a that can contain lens barrel 120 lower ends, and the photosensory assembly that is positioned at support unit 150 lower ends can be taken the camera model by the subject image of through hole 150a incident.In addition, there is circular partition wall 150b up to extend out around the through hole 150a, aforementioned circle partition wall 150b will be according to the front and back actuating range of lens barrel and with the exterior wall coupling of the exterior wall or the microspur driver element of lens barrel lower end, and then stop impurity to enter in the through hole 150a.

The inclination inserted block 150c of upper end, the corner of support unit 150 is corresponding to the jack 110d of aforementioned protecting cover, laminated spring 140 and the microspur driver element 130 that combines lens barrel 120 are placed support unit 150 top after, insert protecting cover 110 and can finish assembling.

The following describes of the action of aforementioned portable terminal with lens assembly.

When carrying out the photography of general modfel (Normal Mode), operating rod 130c is stirred toward clockwise direction, the guiding projection 110b of protecting cover 110 is moved into place on the height point of the guiding dip plane of microspur driver element 130 upper ends 130b.At this moment, the guiding projection 110b of protecting cover will oppress and support the high point of guiding dip plane 130b, and laminated spring is then up flexibly supported the microspur driver element.Focal length and the concentricity that could check and regulate camera lens this moment.For example, after assembling finishes, operating rod 130c is set to measure focal length behind the general photograph mode, also regulate the position that is combined in the lens barrel 120 on the microspur driver element 130 along screw thread rotation then, it is the scalable focal length, as long as in conjunction with (Bonding) fastening position, can be completely fixed the master firmly.

If microspur (Macro Mode) photography toward counterclockwise stirring, moves into place on the low spot of the guiding dip plane of microspur driver element 130 upper ends 130b the guiding projection 110b of protecting cover 110.At this moment, laminated spring will up flexibly be supported the microspur driver element, therefore, lens barrel 110 will up move one section and be equivalent to guide the low spot of dip plane 130b and the distance of the difference in height between the high point, and then can obtain needed focal length when carrying out macroshot between camera lens and photosensory assembly.

Though the present invention only has been described in detail at embodiment, but in technological thought category of the present invention, various distortion, modification and other embodiment can appear, therefore this is very tangible same industry personage, and to belong to claim scope of the present invention be natural for this distortion and modification.

The invention effect

Such as above stated specification, the present invention is as long as put flat spring and the microspur driver element that combines lens barrel Rear insertion protecting cover can be finished assembling above support unit, assembles very conveniently, significantly reduces Built-up time and cost.

Assemble complete after, not only can focus, and since a plurality of camera lenses be installed in single Lens barrel, lens barrel and microspur driver element are tightened to and are integrated, therefore with one heart and position adjustments very square Just. The present invention is installed in the lens barrel outside to the microspur driver element, has fundamentally got rid of because of microspur and has driven Moving and the phenomenon of impurity occurs in lens barrel inside.

Claims

1. portable terminal lens assembly with macro function comprises the following units:

Be installed in the lens barrel on the camera lens;

Supporting unit accommodating said lens cane lower part;

Be fastened on the aforementioned lens barrel outer cylinder and order about the rotation of aforementioned lens barrel, formed the microspur driver element of the guiding dip plane that tilts along the periphery of its upper end;

Between aforementioned support unit and microspur driver element, along the upside position of this microspur driver element of outer side contacts of aforementioned microspur driver element, up elasticity is supported the elastic component of this microspur driver element; And

Be positioned at the top of aforementioned support unit, its guiding projection can be toward the protecting cover of the aforementioned microspur driver element guiding of lower compression dip plane.

2. portable terminal lens assembly according to claim 1 is characterized in that:

Aforementioned elastic parts is around being inclusive in lens barrel outside in the aforementioned support unit and the laminated spring that becomes one with it.

3. portable terminal lens assembly according to claim 2 is characterized in that:

4. according to claim 1 each described portable terminal lens assembly, it is characterized in that to claim 3:

Have respectively on the inner cylinder of aforementioned microspur driver element and the outer cylinder of aforementioned lens barrel and can be attached to screw thread on the aforementioned lens barrel to aforementioned microspur driver element.

5. according to claim 1 each described portable terminal lens assembly, it is characterized in that to claim 3:

The operating rod of aforementioned microspur driver element is outstanding toward lateral direction.

6. according to claim 1 each described portable terminal lens assembly, it is characterized in that to claim 3:

Aforementioned support unit has the through hole that can hold aforementioned lens barrel lower end, and photosensory assembly is then installed in its lower end.

7. according to claim 1 each described portable terminal lens assembly, it is characterized in that to claim 3:

Aforementioned protecting cover has towards aforementioned support unit and the lid pin that extends laterally, and lid pin and aforementioned support unit take to link up with combination.