CN103091941A

CN103091941A - Lenses with photosensitive element retraction function

Info

Publication number: CN103091941A
Application number: CN2011103311600A
Authority: CN
Inventors: 黄敦揆; 陈楷坤
Original assignee: Asia Optical Co Inc
Current assignee: Asia Optical Co Inc
Priority date: 2011-10-27
Filing date: 2011-10-27
Publication date: 2013-05-08
Anticipated expiration: 2031-10-27
Also published as: CN103091941B

Abstract

The invention relates to a lens with a photosensitive component retreating function, which comprises a base, a photosensitive component, a lens barrel, a lens and a retreating mechanism, wherein the photosensitive component can be arranged on the base in a reciprocating manner between an action position and a retreating position by virtue of the retreating mechanism; therefore, the thickness of the contracted lens is smaller than that of the prior art, so that the thickness of a camera provided with the lens can be smaller, and the structure of the lens is simpler, so that the lens is easy to manufacture and assemble.

Description

Camera lens with photosensory assembly back-off function

Technical field

The present invention is relevant with the camera lens of camera, particularly about a kind of camera lens, keeps out of the way the optical axis that leaves eyeglass by keeping out of the way mechanism when its photosensory assembly can be in camera lens to the camera body internal contraction, makes the thickness after camera lens shrinks less.

Background technology

The camera lens of camera has telescopic design usually now, stretches out the fuselage of camera with the lens barrel that will be provided with the eyeglass group when taking pictures, and when not taking pictures, lens barrel is shunk in fuselage.Camera lens is when shrinking, in eyeglass group and lens barrel the part optical module along eyeglass group's optical axis (the charge-coupled device (CCD) for example of the photosensory assembly in fuselage, Charge Coupled Device, be called for short CCD) traveling priority, after camera lens shrinks fully, eyeglass group, these optical modules and this photosensory assembly change mutually, so the fuselage thickness of camera need greater than the gross thickness of the aforementioned assembly that changes mutually, cause camera to be difficult to slimming more at least.

The camera lens that can keep out of the way of some eyeglass on the market, the TaiWan, China I341926 patent of invention case supplier of institute for example, wherein an eyeglass group keeps out of the way the side to photosensory assembly after camera lens shrinks, make the gross thickness after this camera lens shrinks less, thus, being provided with the fuselage thickness of the camera of this camera lens also can be less.Yet this eyeglass group needs in the camera lens contraction process axially and move radially, and the structure that makes this camera lens is comparatively complicated and be difficult for making and assembling, therefore still remains to be improved.

Summary of the invention

The technical problem to be solved in the present invention is, can't take into account slimming and defective simple in structure for camera lens of the prior art, and a kind of camera lens with photosensory assembly back-off function is provided, and can reduce the thickness of camera, and simple in structure and easily make and assemble.

The present invention is that the technical scheme that its technical matters of solution adopts is, a kind of camera lens with photosensory assembly back-off function is provided, include pedestal, photosensory assembly, lens barrel and eyeglass, this lens barrel can be from moving to the second place less with this pedestal distance with the larger primary importance of this pedestal distance, drives simultaneously this eyeglass and move towards this pedestal along the optical axis of this eyeglass; This camera lens is characterised in that more to include keeps out of the way mechanism, and this photosensory assembly is kept out of the way mechanism by this and can be in reciprocatingly being located between active position and retreating position on this pedestal; When this photosensory assembly was positioned at this active position, this lens barrel was positioned at this primary importance, and the optical axis of this eyeglass and this photosensory assembly intersect; When this photosensory assembly was positioned at this retreating position, this lens barrel was positioned at this second place, and the optical axis of this eyeglass does not intersect with this photosensory assembly.

This camera lens is located in the fuselage of camera with its pedestal, when this camera lens shrinks, this lens barrel moves to the second place from primary importance, this photosensory assembly moves to this retreating position simultaneously, and by this, this eyeglass can be driven the active position to this photosensory assembly when camera lens shrinks, or even cross this active position and more close this pedestal, thus, it is little that the thickness after this camera lens shrinks is practised the user, and the camera thickness that therefore this camera lens is set also can be less.And this eyeglass and this photosensory assembly only move along the single direction linear reciprocation respectively, make the structure of this camera lens comparatively simple, thereby easily make and assemble.

Relevant detailed structure, characteristics, assembling or use-pattern with camera lens of photosensory assembly back-off function provided by the present invention will be described in follow-up embodiment describes in detail.Yet, having in field of the present invention and know that usually the knowledgeable should be able to understand, these detailed descriptions and the cited specific embodiment of enforcement the present invention only are used for explanation the present invention, are not to limit claim of the present invention.

Description of drawings

The three-dimensional combination figure of the camera lens with photosensory assembly back-off function that Fig. 1 provides for the present invention's the first preferred embodiment shows that the photosensory assembly of this camera lens is positioned at the state of active position;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is that Fig. 2 is along the cut-open view of hatching line 3-3;

The three-dimensional combination figure of the camera lens with photosensory assembly back-off function that Fig. 4 provides for this first preferred embodiment of the present invention shows that the photosensory assembly of this camera lens is positioned at the state of retreating position;

Fig. 5 is the vertical view of Fig. 4;

Fig. 6 is that Fig. 5 is along the cut-open view of hatching line 6-6;

The cross-sectional schematic of the camera lens with photosensory assembly back-off function that Fig. 7 provides for the present invention's the second preferred embodiment shows the state that this camera lens starts; And

The cross-sectional schematic of the camera lens with photosensory assembly back-off function that Fig. 8 provides for this second preferred embodiment of the present invention shows the state that this camera lens is closed.

Embodiment

Below will coordinate the accompanying drawing of enclosing by cited embodiment, describe technology contents of the present invention and feature in detail, wherein:

Fig. 2 is the top view of Fig. 1;

Fig. 3 is that Fig. 2 is along the cut-open view of hatching line 3-3;

Fig. 5 is the top view of Fig. 4;

Fig. 6 is that Fig. 5 is along the cut-open view of hatching line 6-6;

Please first consult Fig. 1 to Fig. 3, the camera lens 10 that the present invention's the first preferred embodiment provides includes pedestal 20, photosensory assembly 30, lens barrel 40, eyeglass 50, and keeps out of the way mechanism 60.

This pedestal 20 is in order in the fuselage (not shown) of being located at camera, and this photosensory assembly 30 is kept out of the way mechanism 60 and is located at this pedestal 20 by this.This eyeglass 50 is located in this lens barrel 40, this lens barrel 40 is positioned at the primary importance P1 (as shown in Figure 1 to Figure 3) larger with this pedestal 20 distances when camera starts this camera lens 10, this lens barrel 40 moves to the second place P2 less with this pedestal 20 distance (as Fig. 4 to shown in Figure 6) from this primary importance P1 when camera cuts out this camera lens 10, drive simultaneously this eyeglass 50 and move towards this pedestal 20 along the optical axis 52 of this eyeglass 50.

The interior mechanism that may be provided with more eyeglasses, fixing len of this lens barrel 40, and other optical module, setting and the move mode of this part and this lens barrel 40 all belong to prior art, holding the applicant does not give unnecessary details in detail at this, and hold the applicant remove the structure of these parts in accompanying drawing, in order to following technical characteristics of the present invention is described.

The invention is characterized in this photosensory assembly 30 to keep out of the way mechanism 60 by this and can be in reciprocatingly being located on this pedestal 20 between active position P3 and retreating position P4.As shown in Figure 1 to Figure 3, when this photosensory assembly 30 was positioned at this active position P3, this lens barrel 40 was positioned at this primary importance P1, and the optical axis 52 of this eyeglass 50 intersects with this photosensory assembly 30.To shown in Figure 6, when this photosensory assembly 30 was positioned at this retreating position P4, this lens barrel 40 was positioned at this second place P2 as Fig. 4, and the optical axis 52 of this eyeglass 50 does not intersect with this photosensory assembly 30.

In the present embodiment, this is kept out of the way mechanism 60 and includes projection 61, the first axle 62, the first tumbler 63, the second axle 64, the second tumbler 65, two guide rods 66, pedestal 67, and two elastic components 68.

This projection 61 is fixedly arranged on the internal face of this lens barrel 40, and this projection 61 also can be integrally formed with this lens barrel 40.This first axle 62 is fixedly arranged on this pedestal 20 and vertical this optical axis 52, and this first tumbler 63 can be located at this first axle 62 rotationally.This second axle 64 is fixedly arranged on this pedestal 20 and parallel this optical axis 52, and this second tumbler 65 can be located at this second axle 64 rotationally.These two guide rods 66 are fixedly arranged on this pedestal 20 and vertical this optical axis 52, and this pedestal 67 can be located at this two guide rods 66 movably along these two guide rods 66, and this photosensory assembly 30 is fixedly arranged on this pedestal 67.These two elastic components 68 are respectively extension spring, and are connected between this pedestal 20 and this pedestal 67.

It is worth mentioning that, aforementioned this first axle 62 and vertical this optical axis 52 of this two guide rods 66, be not to mean this first axle 62 and this two guide rods 66 all to intersect with this optical axis 52, and refer to intersect with this optical axis 52 and have after this first axle 62 and this two guide rod 66 displacements be 90 angles of spending.

This first tumbler 63 has the first helical teeth section 632 that is the conical gear shape, and the first connecting portion 634 that is the triangle column.This first connecting portion 634 has the bearing surface 636 towards this projection 61, and when this lens barrel 40 was positioned at this primary importance P1, this bearing surface 636 outwards and towards the direction away from this pedestal 20 tilted from this first axle 62.

This second tumbler 65 have be the conical gear shape and with the second helical teeth section 652 of this first helical teeth section 632 engagements, and the second connecting portion 654 that is long plate shape.This second connecting portion 654 has long slot bore 656, and this pedestal 67 has the linking part 672 (as shown in Figure 3) that protrudes out towards this pedestal 20 and is arranged in this long slot bore 656.

When this lens barrel 40 when this primary importance P1 moves to this second place P2, this projection 61 pushes against the first connecting portion 634 of this first tumbler 63 towards the direction of this pedestal 20, make this first tumbler 63 rotate around this first axle 62, driving simultaneously this second tumbler 65 rotates around this second axle 64, and then the rotation by the second connecting portion 654 drives this pedestal 67 and moves along this two guide rod 66, makes this photosensory assembly 30 move to this retreating position P4 from this active position P3.When this lens barrel 40 moves to this primary importance P1 and when no longer pushing against this first connecting portion 634 towards the direction of this pedestal 20, this two elastic component 68 provides an elastic restoring force to make this pedestal 67 drive these photosensory assemblies 30 and is returned to this active position P3 from this second place P2.

It is worth mentioning that, this is kept out of the way action that mechanism 60 makes this photosensory assembly 30 be returned to this active position P3 and is not limit with this two elastic component 68 and reach, as long as can make this pedestal 67, this first tumbler 63 or this second tumbler 65 move in the opposite direction or rotate, for example can torque spring be set in this first tumbler 63 or this second tumbler 65.

When aforementioned this camera lens 10 shrank, because this photosensory assembly 30 moves to this retreating position P4, this eyeglass 50 can move to the active position P3 of this photosensory assembly 30, even crosses this active position P3 and more close this pedestal 20 (as shown in Figure 6).Thus, this lens barrel 40 can more go deep into the fuselage of camera when camera lens 10 shrinks, and makes the thickness after this camera lens 10 shrinks less, and therefore the camera slimming more of this camera lens 10 is set.And this eyeglass 50 and this photosensory assembly 30 all only move along the single direction linear reciprocation respectively, make the structure of this camera lens 10 comparatively simple, thereby easily make and assemble.

See also Fig. 7 and Fig. 8, the invention provides the second preferred embodiment, keep out of the way mechanism 60 and have the structure of the camera lens of photosensory assembly back-off function more completely to illustrate by this.

In the camera lens 70 that this second preferred embodiment of the present invention provides, the revolving drum 74 that turned by the motor (not shown) is set on pedestal 71, this revolving drum 74 can drive two

lens barrels

75,76 near or away from this pedestal 71, and these two

lens barrels

75,76 arrange respectively eyeglass group 77,78.These projection 61 one of keeping out of the way mechanism 60 are connected in the bottom of this lens barrel 76, this lens barrel 76 oneself primary importance P1 as shown in Figure 7 when camera cuts out this camera lens 70 moves to second place P2 as shown in Figure 8, and this photosensory assembly 30 is subjected to this keep out of the way mechanism's 60 effects and leave active position P3 simultaneously.Thus, the eyeglass 782 in this eyeglass group 78 namely is movable to the active position P3 of this photosensory assembly 30, to reduce the thickness after this camera lens 70 shrinks.At last, must again illustrate, the present invention takes off disclosed constituent components in embodiment in front, only for illustrating, is not the scope that limits this case, the alternative or variation of other equivalent elements, and the claim that also should be this case contains.

Claims

1. A lens with a photosensitive component avoidance function is characterized in that it includes a base, a photosensitive component, a lens barrel and a lens, and the lens barrel can move from a first position with a relatively large distance from the base to a position close to the base. The second position with a smaller seat distance drives the lens to move toward the base along the optical axis of the lens; the lens further includes:

a retraction mechanism, the photosensitive component is set on the base so as to reciprocate between an active position and a retracted position through the retractable mechanism; when the photosensitive component is located at the active position, the lens barrel is located at the first position, The optical axis of the lens intersects with the photosensitive component; when the photosensitive component is in the withdrawn position, the lens barrel is in the second position, and the optical axis of the lens does not intersect with the photosensitive component.

2. The lens with photosensitive component retraction function as claimed in claim 1, wherein the retracting mechanism is driven by the lens barrel moving from the first position to the second position to make the photosensitive component move from the active position Move to this evacuation position.

3. The lens with photosensitive element retraction function as claimed in claim 2, characterized in that, the retraction mechanism includes a bump arranged on the lens barrel, abuts against the bump and can be driven by the bump to move around a first rotating member that rotates on a first shaft perpendicular to the optical axis; a second rotating member that is connected to the first rotating member and can be driven by the first rotating member to rotate around a second shaft parallel to the optical axis; A guide rod arranged on the base and perpendicular to the optical axis, and a seat connected to the second rotating member and capable of moving along the guide rod is arranged on the guide rod, and the photosensitive assembly is arranged on the seat.

4. The lens with a retracting function of the photosensitive component as claimed in claim 3, wherein the first rotating part of the retracting mechanism includes a first helical tooth portion and a first connecting portion abutting against the protrusion, The second rotating member includes a second helical tooth portion engaged with the first helical tooth portion, and a second connecting portion connected with the base.

5. The camera lens with the retraction function of the photosensitive component as claimed in claim 4, wherein the first connecting portion of the first rotating member of the retraction mechanism has an abutment surface abutting against the protrusion, and the abutment surface When the lens barrel is at the first position, it is inclined outwardly from the first spindle and toward a direction away from the base.

6. The camera lens with the function of retracting the photosensitive component as claimed in claim 4, wherein the second connecting portion of the second rotating member of the retracting mechanism has a slotted hole, and the base body has a slotted hole arranged in the slotted hole. the connection part.

7. The lens with a retracting function of the photosensitive element as claimed in claim 3, wherein the retracting mechanism further includes an elastic member connected between the base and the base body, for providing elastic restoring force to make the The photosensitive element returns to the active position.

8. The lens with photosensitive component retraction function as claimed in claim 1, wherein when the lens barrel is in the second position and the photosensitive component is in the retracted position, the lens is closer to the photosensitive component than the photosensitive component base.