CN1402079A

CN1402079A - Camera lens protection mechanism

Info

Publication number: CN1402079A
Application number: CN 01130669
Authority: CN
Inventors: 柯玉振; 陈永镇
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2001-08-17
Filing date: 2001-08-17
Publication date: 2003-03-12

Abstract

A lens protecting mechanism for camera is composed of an axle holder close to the lens of camera and a lens cover pivoted with said axle holder for shielding the lens or exposing it.

Description

Camera lens protection mechanism

Technical field

The present invention relates to a kind of lens protection mechanism that is applied on the camera, particularly relate to a mobilizable lens cap, this lens cap can break away from camera lens and be covered on the grip position of camera one side between a protective position and of covering camera lens.

Background technology

No matter be traditional S.L.R, idiot camera or up-to-date digital camera, a good camera will possess sturdy and durable, in light weight and beautiful moulding in appearance at least, will possess handled easily at least on function, the focusing photometry is rapid, accurate, and the camera lens quality is good, resolution is high.Yet a good camera has been arranged, do not represent the photograph that can obtain, all cameras are all instructed the user must avoid camera to rock as much as possible when taking pictures or are vibrated, especially when shutter speed slows down, more need camera is firmly gripped, to avoid the imaging failure.

Camera rocks when taking, and many cameras can be set on the tripod, and the user can utilize the Self-timer of camera or cable release to control shooting, and need not handheld camera; Yet for the amateur cameraman of the overwhelming majority, tripod is not to be that a standard is equipped with, and in many cases, tripod also can't use, therefore the probability of handheld camera shooting is still much larger than the probability of using tripod, so the quality of imaging is on top of in user's operation.In order to allow the user can more firmly grip camera, it no longer is the design of adopting the plane in appearance that many cameras are arranged, as United States Patent (USP) D443, promptly be for No. 289 that a side at camera has designed the slightly protuberance of projection, so that the user grips, United States Patent (USP) D442 and for example is designed to projection forward with the battery chamber No. 203, except the capacity that can increase battery, also formed one and be convenient to the position that the user grips; Also having the camera of part then is to be covered with rubber cushion in the appropriate location of camera, to increase the friction force that hand grips, allows the user can more stably grip camera; In addition as United States Patent (USP) the 4th, 692, No. 807 and the 5th, 177, the design that discloses the external handle of camera No. 517, and these designs all are in order to allow the user can more firmly grip camera, so that take.

Moreover, the quality of image quality is except depending on employed photographic film of traditional camera or the employed charge coupled cell of digital camera (Charge-Coupled Device, CCD) outside the pixel size, being used for absorbing the camera lens (Lens) of image, also is the essential condition of image quality.No matter be traditional camera or digital camera, camera lens is to be positioned at camera foremost, promptly is the outpost of the tax office, first road of imaging; be infected with dust or scratch; the capital influences the quality of imaging, so camera all can have the protection design of camera lens, so that can len when not taking.

At present visible lens protection mode has:

One, lens cap:

Lens cap is the lid that can mate camera lens for, usually design in the lens cap clamping device is arranged, so that lens cap is installed on the camera lens, use the camera lens of different bores, promptly must design the lens cap of different size, and, utilize a thin cord tying-up usually on the fuselage of camera because lens cap is to be an independent element, to avoid loss; S.L.R or professional camera normally adopt the design of independent lens cap, and this kind design also is found in digital camera partly.

Two, the mechanical lens that designs on camera covers:

Designing in the mechanical lens on camera lid is to utilize the design of machinery to make the lens cap can to-and-fro movement before camera lens, and its type of drive can be divided into electronic and manual two kinds again.When taking, lens cap can be removed the position of camera lens; When not taking, before lens cap then can be moved to camera lens.Such design great majority are applied to idiot camera.

Three, the lid of camera casing design:

The lid design of camera cover is design one mobilizable casing on camera, movable casing can be removed during shooting, casing can be retracted camera when not taking, and as United States Patent (USP) the 5th, 640, No. 641 promptly is to adopt such design.

By above explanation as can be known, the quality of image quality, artificial factor at first depend on the degree of stability that grips camera when the user takes, and the factor of camera at first depends on camera lens, and in the present visible camera, grip portions and lens protection partly are to be independent design; Can consult United States Patent (USP) the 5th in addition; 436; No. 686 " COMPACT CAMERA WITH COVER FOR HANDLE " disclosed camera design; the 5th; 436; No. 686 patent has the handle that is available for users to grip in the side design of camera; also design has an over cap on camera; over cap can be moved to a working position that camera lens and handle are exposed when taking; then over cap can be moved to an off-position that covers camera lens and handle when not taking, the 5th, 436; No. 686 patents have the design of handle and lens protecting cap, yet handle and lens protecting cap still are independent design.

Moreover; United States Patent (USP) the 4th; 451; No. 130 " DISC CAMERA WITH HANDLE GRIPCOVER " discloses the design of a kind of handle and lens protecting cap integration; wherein the side at camera is articulated with an over cap; over cap can be threaded to the lower position of camera when taking, so that supply user's gripping and expose camera lens, then over cap cycle camera can be drawn close and cover camera lens when not taking.Such design makes over cap have the function of handle and len simultaneously; yet when taking; over cap is threaded to the below of camera as handle; the user is gripped on over cap on the other hand; another hand is then controlled shutter release button; with the posture that grips not smoothly, and the weight of camera all drops on the over cap, the pivot points of over cap and camera produced rupture.

Summary of the invention

Fundamental purpose of the present invention is to provide a kind of camera lens protection mechanism, and it can cover camera lens and can be used as handle.

Above-mentioned purpose of the present invention is achieved in that a kind of camera lens protection mechanism; it comprises a mobilizable lens cap at least; wherein the side at the contiguous camera lens of camera is provided with an axle bed; one side of lens cap is provided with corresponding axle sleeve; utilize an axostylus axostyle to pass the axle sleeve of lens cap and the axle bed of camera; make lens cap be articulated on the camera and rotatable activity, and make lens cap have the grip position that a protective position and of covering camera lens breaks away from camera lens and is covered on camera one side at least.

According to camera lens protection mechanism of the present invention, it also comprises a Locking device, and Locking device is arranged at the opposite side of camera axle bed, and when lens cap was positioned at protective position, Locking device can fasten camera lens w lid, and lens cap is fixed on the protective position.

Protect big belly mechanism according to camera lens of the present invention, it also comprises an elastic component, and elastic component is placed on the axostylus axostyle, makes the lens cap normality remain in grip position by the elasticity of elastic component.

Description of drawings

Fig. 1 is a structure decomposing schematic representation of the present invention;

Fig. 2 is an organigram of the present invention, illustrates lens cap and is positioned at protective position;

Fig. 3 is an organigram of the present invention, illustrates lens cap and is in active state;

Fig. 4 is an organigram of the present invention, illustrates lens cap and is positioned at grip position;

Fig. 5 A, Fig. 5 B and Fig. 5 C are respectively section construction synoptic diagram of the present invention, illustrate the position relation of Locking device on camera;

Fig. 6 A and Fig. 6 B are respectively section construction synoptic diagram of the present invention, illustrate the relation that Locking device is positioned at the primary importance and the second place;

Fig. 7 A and Fig. 7 B are respectively section construction synoptic diagram of the present invention, illustrate the position relation that elastic component is positioned at lens cap.

Embodiment

Below in conjunction with embodiment and accompanying drawing thereof, above-mentioned purpose of the present invention, technical characterictic and advantage are described in further detail.

According to camera lens protection structure of the present invention; its applied camera can be to use the traditional camera of photographic film imaging or by the digital camera of charge coupled cell imaging; no matter be traditional camera or digital camera; its know-why is quite ripe; the present invention will no longer add to give unnecessary details to this; and the appearance and modeling of a camera is as seen shown in Figure 2; a camera 10 includes fuselage 11 at least; camera lens 12; view finder 13 and shutter release button 14; its middle machine body 11 is made up of procapsid 111 and back casing 112; camera lens 12; view finder 13 and shutter release button 14 are to be arranged at procapsid 111; the embodiment of procapsid 111 the bests is at a side moulding one arc protuberance 1111; when the user operates camera 10; hold the position that is held in arc protuberance 1111,, can more firmly grip camera 10 so that cooperate the shape of palm.

As depicted in figs. 1 and 2, according to camera lens protection mechanism of the present invention, it includes a lens cap 20 and a Locking device 30; Wherein lens cap 20 includes one and can cover the lid 21 that covers camera lens 12 and be located at the axle sleeve 22 of lid 21 1 sides; side at camera 10 contiguous camera lenses 12 is provided with an axle bed 15; axle sleeve 22 is corresponding with axle bed 15; pass axle sleeve 22 and axle bed 15 with an axostylus axostyle 40; make lens cap 20 be articulated on the camera 10 and be the axle center rotary moveable with axle bed 15, lens cap 20 has the grip position that a protective position and of covering camera lens 12 breaks away from camera lens 12 and is covered on camera 10 1 side arc protuberances 1111 at least.

Locking device 30 includes a push button 31 (shown in Fig. 5 A), be connected in the cramp 32 of push button 31 belows, be connected in push button 31 belows and with respect to the push jack 33 of cramp 32, and two are connected in push button 31 belows and between elastic arm 34a, the 34b of 33 of cramp 32 and push jacks; Wherein be provided with a guide hole that runs through 16 with respect to the opposite side position of axle bed 15 at camera 10 procapsids 111, Locking device 30 is to be packed into by the rear of procapsid 111, and make push button 31 stretch out in guide hole 16, to provide the user to control push button 31, push button 31 is moved forward and backward in guide hole 16 and guide hole 16 must and have enough spaces greater than push button 31; Two sides at procapsid 111 inner guide holes 16 are provided with fixed

17a, 17b in addition, the front end of

elastic arm

34a, 34b is provided with trepanning 341a, 341b, trepanning 341a, 341b are inserted in

fixed pin

17a, 17b, make Locking device 30 be fixed in procapsid 111, and make push button 31 have the primary importance of a normality at least, and through the application of force and the mobile second place (shown in Fig. 6 A, Fig. 6 B), and cramp 32 and push jack 33 move along with push button 31; Certainly, Locking device 30 also can not be provided with

elastic arm

34a, 34b, directly is held in push button 31 with a spring (not shown), also can make push button 31 have the primary importance of a normality, and through the application of force and the mobile second place.

Wherein have button mouthful 211 (shown in Fig. 5 B, 5C) with respect to the ora terminalis of the other end of axle sleeve 22 at lid 21, be positioned at protective position at lens cap 20 and cover camera lens 12, when Locking device 30 is positioned at the primary importance of normality, its cramp 32 just can stretch to the button mouth 211 of lens cap 20, be that Locking device 30 fastens lens cap 20, lens cap 20 is fixed on the protective position; If desire moves to grip position with lens cap 20, control push button 31 can be moved to the second place, cramp 32 promptly breaks away from button mouth 211, makes lens cap 20 can move to grip position.

In addition, the position of corresponding Locking device 30 push jacks 33 can be provided with a power control switch 50 in camera 10, when push button 31 moves to the second place, push jack 33 just can be pressed electric shock source gauge tap 50, when starting lens cap 20, the power supply of camera 10 can be opened in the lump, the step that repeats to open camera power supply can be omitted.

According to camera lens protection mechanism of the present invention, when not using camera 10, lens cap 20 can be moved to protective position (as shown in Figure 2), simultaneously lens cap 20 is fixed on the protective position by Locking device 30, so as to covering camera lens 12, make that camera 10 camera lens 12 under user mode not is unlikely is infected with dust or by the external force scratch; And when desire uses camera 10 to take; promote the push button 31 of Locking device 30; make its primary importance move to the second place by normality; make cramp 32 break away from the button mouth 211 of lens cap 20; make lens cap 20 can break away from protective position (as shown in Figure 3), and move to the grip position (as shown in Figure 4) that is covered on camera 10 1 side arc protuberances 1111.

Camera lens protection mechanism disclosed according to the present invention, its purpose are len 12 and firmly grip camera 10 for the user that lens cap 20 is positioned at the function that protective position promptly provides len; On the other hand, lens cap 20 is positioned at grip position, holds for the user, and promptly smooth than tradition camera surface has preferable gripping sense; And be provided with rubber blanket 23 (as shown in Figure 1) in the one side that lens cap 20 is covered on camera lens 12, it is outwardly that lens cap 20 is positioned at grip position rubber blanket 23, rubber blanket 23 has preferable friction force makes it have the function of on-slip, design by camera 10 arc protuberances 1111 is available for users to firmly grip, the user holds and more increased stable effect on rubber blanket 23 simultaneously, allow the user can hold fixedly camera 10 easily, reach purpose of the present invention; Certainly the present invention also can directly be covered on the one side design on-slip lines (not shown) of camera lens 12 at lens cap 20, and preferable friction force is provided equally, promptly rubber blanket 23 need not be set.

In the above description, lens cap 20 is positioned at protective position to be fixed by Locking device 30, removes the padlock relation of Locking device 30, and the user can stir lens cap 20 and move to grip position, and the user holds lens cap 20 and is about to lens cap 20 and is fixed in grip position.Consult shown in Fig. 1, Fig. 7 A again, also can comprise an elastic component 60 according to camera lens protection mechanism provided by the present invention, elastic component 60 can provide the elasticity of lens cap 20 involutions; Wherein elastic component 60 is to be a torsionspring; elastic component 60 is placed on the axostylus axostyle 40; one elongated end 61 of elastic component 60 is held in lens cap 20; another elongated end 62 is held in procapsid 111, makes lens cap 20 can remain in grip position under normal conditions by the elasticity of elastic component 60, when lens cap 20 breaks away from protective position; can return back to grip position; and be fixed on the grip position, even user's hand does not grip lens cap 20, lens cap 20 also can remain on the grip position.

Shown in Fig. 7 B; change the involution direction of elastic component 60; make lens cap 20 normalities be positioned at protective position; and lens cap can be moved to grip position through application of force opposing elastic component 60, lens cap 20 be positioned at the grip position user to hold so that fixed mirror skull 20, this mode can be saved the setting of Locking device 30; when not using camera 10 to take; unclamp lens cap 20, lens cap 20 promptly returns back to protective position, also is one of feasible embodiment of the present invention.

Camera lens protection mechanism disclosed according to the present invention; it can not cover camera lens under the shooting state; live with protection that camera lens is unlikely is infected with dust or by the external force scratch; and under shooting state, can be moved to a grip position that is available for users to hold; and the design that utilizes rubber blanket increases the friction force when gripping; so that provide the user firmly to grip camera, whereby, design of the present invention is with len and the effect of firm gripping is provided.

The above only is the present invention's preferred embodiment wherein, is not to be used for limiting practical range of the present invention.Every equal variation and modification of doing according to claim of the present invention is protection domain of the present invention and contains.

Claims

1, a kind of camera lens protection mechanism is arranged on the camera, has a camera lens on this camera, it is characterized in that including:

One axle bed, this axle bed are arranged at the position of contiguous this camera lens of this camera; And

One lens cap, this lens cap is articulated in this axle bed in the mode of rotatable activity, and has a cover at least and be overlying on protective position and on this camera lens and break away from this camera lens and be covered on the grip position of this camera one side.

2, camera lens protection mechanism as claimed in claim 1 is characterized in that described lens cap is made of an axle sleeve that can cover the lid that is overlying on this camera lens and be positioned at this lid one side.

3, camera lens protection mechanism as claimed in claim 2 is characterized in that the axle sleeve correspondence of described lens cap is arranged at this axle bed, and passes this axle sleeve and axle bed with an axostylus axostyle, and this lens cap is arranged on this camera in the mode of rotatable activity.

4, camera lens protection mechanism as claimed in claim 2 is characterized in that the one side that described lid cover is overlying on this camera lens is provided with a rubber blanket, this rubber blanket when this lens cap is positioned at this grip position outwardly.

5, camera lens protection mechanism as claimed in claim 2 is characterized in that the one side that described lid cover is overlying on this camera lens is provided with an on-slip lines, this on-slip lines when this lens cap is positioned at this grip position outwardly.

6, camera lens protection mechanism as claimed in claim 1; it is characterized in that also including a Locking device; this Locking device is arranged at the position of this camera with respect to this axle bed versatilely; this Locking device has the primary importance of a normality and at least once the application of force and the mobile second place; be positioned at this protective position at this lens cap; when this Locking device is positioned at this primary importance, fastens this lens cap and be fixed in this protective position.

7, camera lens protection mechanism as claimed in claim 6 is characterized in that described camera has a guide hole for this Locking device setting.

8, camera lens protection mechanism as claimed in claim 6 is characterized in that described lens cap has one when this protective position, the button mouth that supplies this Locking device to fasten.

9, camera lens protection mechanism as claimed in claim 6 is characterized in that described Locking device includes:

One push button, this push button stretch out in this guide hole of this camera, control this Locking device for the user and move to this second place;

One cramp, this cramp are connected in this push button and along with this push button moves, are positioned at this protective position at this lens cap, this Locking device be positioned at primary importance the time, this cramp stretches to this button mouthful of this lens cap;

One push jack, this push jack are connected in this push button and along with this push button moves; And

A pair of elastic arm, this is connected in this push button and is fixed in this camera elastic arm, and normality makes this Locking device be positioned at this primary importance.

10, camera lens protection mechanism as claimed in claim 9; it is characterized in that the position corresponding to this push jack is provided with a power control switch in the described camera; when this Locking device was positioned at the second place, this push jack was pressed and is touched this power control switch, opens the power supply of this camera in the lump.

11, camera lens protection mechanism as claimed in claim 9 is characterized in that this front end to elastic arm is provided with trepanning, is provided with fixed pin in this camera, and this trepanning is sheathed on this fixed pin, and this Locking device is fixed in this camera.

12, camera lens protection mechanism as claimed in claim 9 is characterized in that this is held in this push button to elastic arm by a spring and is replaced.

13, camera lens protection mechanism as claimed in claim 1 is characterized in that also including an elastic component, and this elastic component is held in this lens cap and this camera respectively, makes this lens cap normality remain in this grip position.

14, camera lens protection mechanism as claimed in claim 13 is characterized in that described elastic component is a torsionspring, and it has an elongated end and is held in this lens cap, and an elongated end is held in this camera.