CN1963658B

CN1963658B - Closure door apparatus of camera

Info

Publication number: CN1963658B
Application number: CN200510124449XA
Authority: CN
Inventors: 蔡耀庆
Original assignee: Asia Optical Co Inc
Current assignee: Asia Optical Co Inc
Priority date: 2005-11-11
Filing date: 2005-11-11
Publication date: 2010-12-08
Anticipated expiration: 2025-11-11
Also published as: CN1963658A

Abstract

This invention relates to one camera protection cover, which comprises outer cover, fix board, first drive element, second drive one, protective cover, push bar and first and second spring elements, wherein, the outer cover is set with lens window for catching views and with fix board onto outer cover; the first drive element is matched with fix board for reverse movement on fix board; the second drive element and first one match to drive protective cover; the protective cover swings by drive of first and second drive elements to start or close lens window; push bar is set on outer cover connected to first drive element.

Description

Camera protective cap device

[technical field]

The present invention relates to a kind of camera protective cap device, refer to a kind of camera protective cap device stable and reliable for performance especially.

[background technology]

In camera work, the quality of photographic imagery quality is except depending on photosensory assembly, as photographic film in the traditional camera and the charge coupled device in the digital still camera (CCD, Charge-Coupled Device), the camera lens that is used for absorbing image also is the key factor of imaging.Therefore, the maintenance of camera lens seems extremely important for the maintenance of camera.

Physical damnification and pollution are the two large problems that the camera lens maintenance faces.Physical damnification such as crackle or scratch etc., causes owing to harder object contacts with camera lens usually.Camera lens pollutes, and then usually because pollutants such as dust and oil stain cause, finger mark also usually pollutes camera lens easily in addition.The physical damnification of camera lens and pollution all can have a strong impact on the quality of camera imaging, and therefore, in general, camera all can adopt some over cap design to come camera lens is protected.

Common lens protecting cap type has at present: buckle-type lens cap and mechanical actuation formula lens cap.

The buckle-type lens cap is a kind of lid that mates camera lens, and it is provided with bayonet unit, lens cap can be installed on the camera lens.For the camera lens of different bores, the size of its lens cap differs.This kind lens cap is an individual components, utilizes a thin cord tying-up in camera body usually, in order to avoid lose.This kind lens protection mode is comparatively common, is used for traditional optical camera mostly, and actually rare in the application of digital camera.

Mechanical actuation formula lens cap refers to a kind ofly to utilize the to-and-fro movement of mechanical actuation to hide/open the lens cap of camera lens.This lens cap can be divided into two kinds of electrodynamic type and hands.When camera was worked, lens cap was removed before camera lens by mechanical actuation; When camera was not worked, then lens cap was subjected to drive camera lens is covered.

The present invention has promptly proposed a kind of new hand camera protective cap device.

[summary of the invention]

The objective of the invention is to propose a kind of hand camera protective cap device of dependable performance.

Purpose of the present invention is achieved through the following technical solutions: a kind of camera protective cap device comprises enclosing cover, fixed head, first driven unit, second driven unit, over cap, push rod and first, second elastic parts.Should outer be covered with the camera lens window of the usefulness of finding a view for camera lens, fixed head is fixed in outer covering.First driven unit cooperates with fixed head, but and relative fixed plate to-and-fro movement.Second driven unit cooperates with first driven unit to drive over cap.Over cap drives lower swing at first driven unit and second driven unit, with unlatching, closed described camera lens window.Push rod is located at outer cap surface, and is mutually permanently connected with first driven unit.First elastic parts is connected and fixed the plate and first driven unit, and second elastic parts is connected and fixed plate and over cap.

Compared with prior art, the present invention moves stable, the system reliability height.

[description of drawings]

Fig. 1 is the decomposition diagram of a kind of camera protective cap device of preferred embodiment of the present invention.

Fig. 2 A is the front elevation of camera protective cap device camera off-mode of the present invention.

Fig. 2 B is the left view of camera protective cap device camera off-mode of the present invention.

Fig. 3 A is the front elevation of camera protective cap device camera open state of the present invention.

Fig. 3 B is the left view of camera protective cap device camera open state of the present invention.

Fig. 4 A is camera protective cap device camera of the present invention shutdown, the front elevation of momentary status when camera lens is unrecovered.

Fig. 4 B is camera protective cap device camera of the present invention shutdown, the left view of momentary status when camera lens is unrecovered.

Fig. 5 A is the front elevation of the state after camera protective cap device camera shutdown of the present invention, camera lens are regained.

Fig. 5 B is the left view of the state after camera protective cap device camera shutdown of the present invention, camera lens are regained.

[embodiment]

Please refer to shown in Figure 1ly, a kind of hand camera protective cap device of preferred embodiment of the present invention comprises push rod 1, enclosing cover 2, over cap spring 3, over cap 4, driving stem 5, driving chip 6, spring 7 and fixed head 8.

Push rod 1 is a flat rectangular parallelepiped, and the one side is provided with projection (not shown) and slide block 11 (seeing Fig. 2 B), and projection can see through enclosing cover 2 and fixedly connected with driving chip 6.

Enclosing cover 2 is the flat rectangular hollow box of tool one side opening, the one sidewall be provided with the usefulness of finding a view for camera lens circular camera lens window 21, for the flash of light window 22 of the usefulness of flashlamp flash of light, and a pair of projection for push rod 1 through elongate slot 23 and buckle slot 24 with fixedly connected driving chip 6.

Over cap spring 3 is a torque spring, and it is provided with clasp arm 31 and straight-arm 32.

The main part 41 of over cap 4 is a circular slab, and it matches with the circular camera lens window 21 of lid 2, and can all cover circular camera lens window 21.One jiao of connecting portion 42 autonomous agent parts 41 is extended smoothly.The top of connecting portion 42 is located in the first moving hole 421, and first drive hole 422 is formed on the connecting portion 42, between first drive hole 422 and main part 41.Rivet hole 423 is located on the side of connecting portion 42.

Driving stem 5 slightly is arcuation, and first sliding tray 52 slightly is arcuation and is located at the one end, and the second moving hole 51 is arranged at the other end of driving stem 5.

Driving chip 6 is a rectangle thin slice, and the one end is provided with first, second fixed orifice 61,62 corresponding to the projection of push rod 1.The 3rd fixed orifice 63 is positioned at the centre position of driving chip 6.Spring 7 is a torque spring, and it is provided with two fixed arms (not indicating), and it is affixed with a fixed arm of spring 7 that the 3rd fixed orifice 63 can pass through fixed pin (not shown).The other end of driving chip 6 is located in the 3rd moving hole 63, is used for cooperating with the second moving hole 51 of driving stem 5.In addition, driving stem 5 and driving chip 6 also can be referred to as linkage assembly.

Fixed head 8 is used for cooperating with the inwall of enclosing cover 2, and it comprises rectangular main board 81 and upper and lower side back up pad 82.The flash of light window 22 of main board 81 corresponding enclosing covers 2 is provided with flash hole 811.Second sliding tray 812 is located at flash hole 811 belows, is used for cooperating with driving chip 6, slides therein for driving chip 6.The 4th fixed orifice 814 is located at second sliding tray, 812 tops, can be affixed by another fixed arm of fixed pin and spring 7.Projection 815 is arranged near the position, top of the 4th fixed orifice 814, and it is provided with a slit (not shown), is used for fixing the straight-arm 32 of over cap spring 3.

During assembling, driving chip 6 is placed in second sliding tray 812, and driving chip 6 can be reciprocatingly slided in second sliding tray 812.Spring 7 is by the fixation of fixed pin, and its two clasps arm is fixing with the 3rd fixed orifice 63 and the 4th fixed orifice 814 respectively.The second moving hole 51 is fixing by fixed pin and the 3rd moving hole 64, and utilizes this fixed pin to make pivotal axis with wobble drive bar 5.The first moving hole 421 of over cap 4 is by fixed pin and the 4th moving hole 813 riveteds, and fixedly the central ring portion of over cap spring 3 on this fixed pin.First drive hole 422 cooperates with first sliding tray 52 by riveted pin (not shown).The straight-arm 32 of over cap spring 3 is fixed in the slit of projection 815, and clasp arm 31 is fixing by fixed pin and rivet hole 423.Fixed head 8 cooperates the projection of push rod 1 to fixedly connected with first, second fixed orifice 61,62 through elongate slot 23 with enclosing cover 2, slide block 11 engages with buckle slot 24.

Operating process please refer to shown in Fig. 2 A, Fig. 2 B, Fig. 3 A, Fig. 3 B, Fig. 4 A, Fig. 4 B, Fig. 5 A and Fig. 5 B.

Shown in Fig. 2 A and Fig. 2 B, under off-mode, camera power supply is closed, and push rod 1 is positioned at initial position, and camera lens is recessed in camera inside.Over cap 4 utilizes the supporting role of driving stem 5 and the elastic forepressure of over cap spring 3 to put left, to hide camera lens window 21.At this moment, driving chip 6 and driving stem 5 are in closed condition, and over cap 4 is in the closed position.

Shown in Fig. 3 A and Fig. 3 B, during start, push rod 1 is promoted to the right, and driving chip 6 drives driving stem 5 and drives over cap 4 counter-clockwise swings.At this moment, driving chip 6 and driving stem 5 are in starting state, and over cap place 4 is in the open site, and camera lens window 21 is opened.Simultaneously, driving chip 6 touches the camera power supply switch, and camera system powers on, and camera lens stretches out.

Shown in Fig. 4 A and Fig. 4 B, camera shutdown, the diagram of the momentary status when camera lens is unrecovered.During the camera shutdown, push rod 1 is pushed back to initial position left, and driving chip 6 drives driving stem 5 and replys.Yet because the not withdrawal as yet of camera lens this moment, over cap 4 still side is resisted against on the camera lens, and promptly driving chip 6 and driving stem 5 are in closed condition, and over cap 4 still is in the open site.Simultaneously, the 3 stressed accumulation of energys of over cap spring, its both arms are in compressive state.

Shown in Fig. 5 A and Fig. 5 B, the state diagram after camera shutdown, camera lens are regained.At this moment, camera lens has been contracted to camera inside, and over cap spring 3 elastic force discharge, and over cap 4 is swung to camera lens window 21 along first sliding tray 52 of driving stem 5, until hiding camera lens window 21 fully under over cap spring 3 drives.

Claims

1. camera protective cap device; it comprises enclosing cover; fixed head; over cap and push rod; wherein outer being covered with for the find a view camera lens window of usefulness of camera lens; fixed head and described enclosing cover fix; over cap can cooperate with described fixed head to open; closed described camera lens window; push rod can back and forth be promoted by external force; it is characterized in that: the over cap device also is provided with first; second driven unit and first; second elastic parts; described first driven unit is to be installed on the described fixed head in the mode that can slide; and be to be fixed together with described push rod and can be driven and the to-and-fro movement of relative fixed plate by described push rod to-and-fro movement; described second driven unit is to be bonded on described first driven unit in the mode that can produce relative motion; can between closed condition and starting state, move because of the described first driven unit to-and-fro movement; and described second driven unit is provided with sliding tray; can engage and guide described protection is placed between unlatching and the make-position mobile; described first elastic parts is connected between the described fixed head and first driven unit; described second elastic parts is connected in described fixed head and over cap; to apply an elastic forepressure on described over cap; so that described over cap is in the guiding of described sliding tray and be in the close position; and can be when described push rod is subjected to the external force effect and drives second driven unit and move to starting state via described first driven unit, driven by described second driven unit and moved to the open site.

2. a kind of camera protective cap device as claimed in claim 1 is characterized in that: described first driven unit is driving chip, and described second driven unit is driving stem.

3. a kind of camera protective cap device as claimed in claim 2 is characterized in that: described driving stem is provided with the second moving hole that cooperates with driving chip, and first sliding tray that cooperates with over cap.

4. a kind of camera protective cap device as claimed in claim 3 is characterized in that: described over cap is provided with first drive hole that can cooperate with first sliding tray by the riveted pin.

5. a kind of camera protective cap device as claimed in claim 1 is characterized in that: first elastic parts and second elastic parts are torque spring.

6. a kind of camera protective cap device as claimed in claim 1 is characterized in that: camera shutdown, when camera lens is unrecovered, the over cap side is resisted against on the camera lens, the stressed accumulation of energy of second elastic parts.

7. a kind of camera protective cap device as claimed in claim 6 is characterized in that: after camera shutdown, camera lens were regained, over cap drove lower swing at second elastic parts, until hiding the camera lens window fully.

8. camera protective cap device, it is characterized in that: this protective device comprises over cap, this over cap is used to hide the camera lens of camera, to reach the protection effect; One linkage assembly, comprise: one is provided with the moving plate of making a long driver of connecting portion, an and arcuation driving stem that is provided with connecting portion, described linkage assembly is provided with a sliding tray, utilize the corresponding sliding tray can be when linkage assembly is changed between first, second state, guiding protective be placed on open and off-position between move; One push rod is a flat rectangular parallelepiped, and the one side is provided with convex pillar part and reaches slidably portion, and drivening rod mechanism changes start between first, second state; And elastic parts system is selected from the assembly with flexible character; can be when the open site moves to off-position at over cap; be out of shape because of stopping the external force that over cap moves; and then over cap is stopped on the centre position that opens and closes between the position; and can be after external force be removed, because of the elastic force effect is urged to over cap on the off-position from the centre position.

9. a kind of camera protective cap device as claimed in claim 8 is characterized in that: camera further comprises a camera enclosing cover and a fixed head, is covered with the camera lens window of the usefulness of finding a view for camera lens outward, and fixed head and camera enclosing cover fix.

10. a kind of camera protective cap device as claimed in claim 9 is characterized in that: linkage assembly matches with fixed head, but and the reciprocal start of relative fixed plate, between first, second state, change.

11. a kind of camera protective cap device as claimed in claim 10 is characterized in that: push rod sees through fixed head fixedlys connected with aforementioned linkage, with the relative fixed plate start of drive link mechanism.

12. a kind of camera protective cap device as claimed in claim 9 is characterized in that: over cap matches with fixed head, but and relative fixed plate reciprocally swinging.

13. a kind of camera protective cap device as claimed in claim 12 is characterized in that: aforementioned elastic parts is located between fixed head and the over cap, and is connected and fixed plate and over cap.

14. a kind of camera protective cap device as claimed in claim 8 is characterized in that: aforementioned elastic parts is a torque spring.

15. a kind of camera protective cap device as claimed in claim 8 is characterized in that: aforementioned first state refers to starting state, and aforementioned second state refers to closed condition.

16. a kind of camera protective cap device as claimed in claim 8 is characterized in that: aforementioned linkage includes driving stem and driving chip.