CN100470351C - Dark slide opening device for camera viewfinder protector - Google Patents
Dark slide opening device for camera viewfinder protector Download PDFInfo
- Publication number
- CN100470351C CN100470351C CNB2005100326454A CN200510032645A CN100470351C CN 100470351 C CN100470351 C CN 100470351C CN B2005100326454 A CNB2005100326454 A CN B2005100326454A CN 200510032645 A CN200510032645 A CN 200510032645A CN 100470351 C CN100470351 C CN 100470351C
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- shadow shield
- spring
- cover plate
- hinge
- framework
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Abstract
The invention relates to a light screen automatic open-close device for protecting camera viewfinder window which comprises: mount and light screen open spring, on the mount being provided with a long hole which has light screen board connected on its edge with hinge, a restoring spring is provided at the hinge site, setting spring from two direction, realizing the automatic open and close of light screen board by pressing key or other way to cancel or adjust the action force way of one group of springs. The light screen board can be opened or closed automatically by controlling start and reset keys by employing setting the reset and start springs at the same time, and by adjusting elastic function of reset and start spring via stop board and press-key.
Description
Technical field
The invention belongs to the servicing unit field of camera, be particularly useful for a kind of find a view automatic switch device of protective device shadow shield of display window of camera that is used to protect.
Background technology
Camera is to have become indispensable equipment in present people's life, gives in the life to have increased a lot of happy moments, writes down colorful life.Along with popularizing of camera, for it provides the servicing unit of various additional functions more and more equally.The viewfinder of camera is its main parts; but in use; people general primary safeguard and look after mostly be camera lens greatly; viewfinder then few people is protected it; therefore in use for some time; its viewfinder or the full dust that falls often have scuffing in some viewfinder when serious.In former 120 cameras of above-mentioned phenomenon with regard to ubiquity.In many waist-level finders, if there is not the corresponding protection device, be bound to cause laying dust and damage in the viewfinder, and the dust easy to clean not after the accumulation, even, have a strong impact on the effect of finding a view at the image that can't see clearly under the interference of high light on the screen of finding a view.In recent years in the liquid crystal viewfinder of the digital camera of popularizing gradually, because its liquid crystal viewfinder is directly exposed outside, above-mentioned laying dust and scuffing phenomenon are compared with 120 old-fashioned cameras, and problem is more serious.Owing to the characteristic of liquid crystal viewfinder, the observation effect when side-looking is bad simultaneously, and this phenomenon is in the stronger occasion of sunlight, and this phenomenon is more serious.In 120 old-fashioned cameras, the opening and closing of the shadow shield in its waist-level finder all need manually to go operation, can not pass through button or other modes in addition, realize operation simply and easily, make troubles to use.For example: in the interval time of taking pictures for twice, most users are in shadow shield in the state of unlatching, cause in the view finder phenomenon of laying dust easily.
Summary of the invention
The purpose of invention provides and a kind ofly can solve above-mentioned shortcoming, has camera viewfinder protective device dustproof and protection camera viewfinder function.This device has also solved the problem of present digital camera liquid crystal viewfinder laying dust and scuffing simultaneously, plays the good effect of blocking high light simultaneously, and can be installed in simply and easily on the camera, can also control the Kai Heguan of shadow shield by simple key-press.
Technical solution of the present invention comprises following content: a kind of dark slide opening device for camera viewfinder protector; comprise framework and shadow shield unlatching spring; framework is provided with slotted hole; the edge of this slotted hole shadow shield that has been connected through the hinge; the hinge position is equipped with back-moving spring; described shadow shield is at least two; above-mentioned shadow shield is separately positioned on two limits of square hole edge correspondence; described shadow shield is provided with the back-moving spring opposite with opening spring force; one side wherein, two limits in addition is provided with the cover plate that is connected through the hinge; cover plate hinge position is equipped with back-moving spring; be provided with the baffle plate of connection between described unlatching spring and the shadow shield; described catch is connected on the framework by the mode of hinge, and catch is connected with reset key, and described cover plate one side is provided with the unlatching button.
Described cover plate is two, and position between two shadow shields is installed at the corresponding framework upper aperture edge that is arranged on, and every cover plate hinge position is provided with two back-moving springs.Described two square holes are respectively and are inlaid with transparent material, and corresponding position and shape with camera viewfinder is corresponding.The top of described cover plate is provided with chimb, and described chimb is vertical with lid surface.Described framework is split type structure, is connected by the elasticity card that cooperatively interacts between the two.
The present invention is by adopting above-mentioned technical solution, obtained following advantage and technique effect: be provided with simultaneously by adopting back-moving spring and opening spring, and reset by baffle plate and button adjustment and to open the elastic reaction of spring, obtained only to open button and reset key the promptly automatic above-mentioned shadow shield mechanism of opening and closing by control.
[description of drawings]
Fig. 1 is a front view of the present invention (shadow shield is in opening);
Front view when Fig. 2 is in closed condition for shadow shield of the present invention;
Fig. 3 is the side view (shadow shield is in opening) of Fig. 1;
Fig. 4 is the A-A cut-open view of this Fig. 1.
[embodiment]
Below in conjunction with accompanying drawing the present invention is further detailed:
Shown in Fig. 1-4; in the present embodiment; model according to corresponding camera; especially the size of viewfinder; the shape and the big small square hole of the viewfinder of reserving in the framework 3 of protective device are set; square hole is viewfinder; and on the four edges of above-mentioned square hole respectively correspondence two shadow shields 4 and cover plate 5 are set; above-mentioned shadow shield 4 is positioned at installed inside; the position of a little higher than shadow shield 4 in cover plate 5 installation sites, above-mentioned shadow shield 4 and the be connected connected mode that all adopt hinge of cover plate 5 with framework 3, and the scope that limits its rotation is about 90 degree; the top edge of cover plate 5 is provided with chimb 10, described chimb 10 and cover plate 5 Surface Vertical.The effect of above-mentioned chimb 10 mainly is the anglec of rotation of restriction shadow shield 4, when shadow shield 4 rotates to when spending near 90, is stopped by above-mentioned chimb 10, makes above-mentioned shadow shield 4 and cover plate 5 form tight masking frame simultaneously.Shadow shield medium position on framework 3, be provided with rotatable unlatching button 2, this unlatching button 2 has spring 8, the effect of this spring 8 is to make unlatching button 2 remain on extreme lower position, this unlatching button 2 slightly stretches out a part and blocks cover plate 5 after closing, closes the state of cover plate 5 as can see from Figure 2.Above-mentioned shadow shield 4, near the position its hinge axis respectively are provided with two respectively and open spring 6, open spring for totally 4, and the effect of this unlatching spring 6 is after unlatching button 2 is pressed, and respectively above-mentioned shadow shield 4 and cover plate 5 is upspring to the state of opening.An other side of shadow shield 4, be provided with four back-moving springs 9, the effect of this back-moving spring 9 is after the elastic force cancellation of opening spring 6, make shadow shield 4 close above-mentioned cover plate 5 automatically, near its hinge axis position respectively is provided with two back-moving springs respectively, totally 4 back-moving springs, the effect of this back-moving spring are after the elastic force cancellation of opening spring, and cover plate 5 is closed automatically.At above-mentioned shadow shield 4 with open between the spring 6 and be provided with baffle plate 7, these baffle plate 7 same modes by hinge are connected with framework 3, and these 7 whiles of baffle plate be connected with reset key 1, when pushing reset key 1, this baffle plate 7 begins to rotate.Reset key 1 is arranged on the outer rim of frame 3, and general two above-mentioned shadow shields 4 are respectively equipped with a reset key 1 and baffle plate 7, but after using linkage structure, a reset key 1 can realize controlling simultaneously the function of two baffle plates 7 equally.Below shadow shield 4, be inlaid with the slide that transparent material is made in the square hole in the framework 3 in addition, this slide do the time spent, prevent the view finder that enters and protect camera of dust.Framework 3 adopts split type structure, such structure, can light a little less than, when need not carry out shading, easily protective device is taken off, above-mentioned slide generally should be installed in the branch body structure and be fixed on that part of framework on the camera.Certainly be fixed in the framework that can take off and also be fine.
In use, behind the at first press-started button 2, open the locking that button 2 is decontroled cover plate 5, shadow shield 4 flicks under the effect of opening spring 6, and drive cover plate 5 and flick, for guaranteeing the normal realization of above-mentioned motion process, open the elastic force of spring, should be greater than the elastic force summation of all back-moving springs, its opening is as shown in Figure 1.After using end at camera, need close above-mentioned shadow shield 4 and cover plate 5, at this moment push reset key 1, under the effect of pressing force, drive baffle plate 7 rotations that link to each other with reset key 1, being directed downwards of its rotation, drive to open spring 6 motions by force, make the acting force of opening 6 pairs of shadow shields 4 of spring can not the generation effect, the shadow shield 4 of this moment and cover plate 5 be under the effect of separately back-moving spring 6, automatic anti-phase rotation returns to closed condition as shown in Figure 2 until its mutual superposition.
The present invention adopts the two-way spring that is provided with in a word, and by button or other mode, the mode of the acting force of cancellation or adjustment one group of spring wherein realizes that the shadow shield opening device opens and closes automatically.The present invention is not limited to above-mentioned embodiment, for example: with the reverse setting of above-mentioned embodiment, and increase the control corresponding device, can realize above-mentioned technique effect equally.
Claims (3)
1; a kind of opening device of camera viewfinder protective device shadow shield; comprise framework and shadow shield unlatching spring; framework is provided with square hole; the edge of this square hole shadow shield that has been connected through the hinge; the hinge position is equipped with the unlatching spring; described square hole is inlaid with transparent material; corresponding position and shape with camera viewfinder is corresponding; it is characterized in that: described shadow shield is at least two; above-mentioned shadow shield is separately positioned on two limits of square hole edge correspondence; described shadow shield is provided with the back-moving spring opposite with opening spring force; one side wherein, two limits in addition is provided with the cover plate that is connected through the hinge; the top of described cover plate is provided with chimb, and described chimb is vertical with lid surface, and cover plate hinge position is equipped with back-moving spring; be provided with the baffle plate of connection between described unlatching spring and the shadow shield; described baffle plate is connected on the framework by the mode of hinge, and baffle plate is connected with reset key, and described cover plate one side is provided with the unlatching button.
2, the opening device of a kind of camera viewfinder protective device shadow shield according to claim 1; it is characterized in that: described cover plate is two; position between two shadow shields is installed at the corresponding framework upper aperture edge that is arranged on, and every cover plate hinge position is provided with two back-moving springs.
3, the opening device of a kind of camera viewfinder protective device shadow shield according to claim 1, it is characterized in that: described framework is split type structure, is connected by the elasticity card that cooperatively interacts between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100326454A CN100470351C (en) | 2005-01-17 | 2005-01-17 | Dark slide opening device for camera viewfinder protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100326454A CN100470351C (en) | 2005-01-17 | 2005-01-17 | Dark slide opening device for camera viewfinder protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1808259A CN1808259A (en) | 2006-07-26 |
| CN100470351C true CN100470351C (en) | 2009-03-18 |
Family
ID=36840226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100326454A Expired - Fee Related CN100470351C (en) | 2005-01-17 | 2005-01-17 | Dark slide opening device for camera viewfinder protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100470351C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106998429B (en) * | 2016-01-26 | 2020-02-14 | 浙江大华技术股份有限公司 | Camera capable of automatically adjusting sun-shading cover and adjusting method |
| CN107411567B (en) * | 2017-08-21 | 2023-07-21 | 珠海格力电器股份有限公司 | Pot tool |
-
2005
- 2005-01-17 CN CNB2005100326454A patent/CN100470351C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1808259A (en) | 2006-07-26 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20120117 |