CN2337583Y - Improved structure of iris diaphragm shifting for camera lens - Google Patents
Improved structure of iris diaphragm shifting for camera lens Download PDFInfo
- Publication number
- CN2337583Y CN2337583Y CN 98205856 CN98205856U CN2337583Y CN 2337583 Y CN2337583 Y CN 2337583Y CN 98205856 CN98205856 CN 98205856 CN 98205856 U CN98205856 U CN 98205856U CN 2337583 Y CN2337583 Y CN 2337583Y
- Authority
- CN
- China
- Prior art keywords
- iris diaphragm
- diaphragm plate
- aperture
- strip
- button
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Diaphragms For Cameras (AREA)
Abstract
The utility model relates to an improved mechanism for aperture switching of a camera lens, which comprises a strip-shaped aperture piece and a disk-shaped adjusting button. The strip-shaped aperture piece is provided with a plurality of apertures which have different sizes and are orderly arranged, the strip-shaped aperture piece is contiguous to the lens and only one aperture aligns exactly with the focusing optical path of the lens within the same time; the disk-shaped adjusting button is connected with the strip-shaped aperture piece, the adjusting button is rotated to make the strip-shaped aperture piece move, and any one of the apertures can be selected to be switched to align with the focusing optical path of the lens. The utility model can make the switching selection of the aperture size added conveniently to two or even more than four kinds, and the utility model has the advantages of simple structure, convenient operation and low cost.
Description
The utility model relates to the improvement mechanism () that a kind of camera lens aperture switches, and refers to a kind of a kind of camera lens aperture switching mechanism that can carry out change action between several apertures that vary in size especially.
Present commercially available digital camera, the switching of its lens aperture, no matter be to carry out change action in manual or automatic mode, the switching of its aperture size selects all only have two sections, promptly, only can between two apertures that vary in size, carry out change action, and the complex structure of aperture switching mechanism commonly used, cost is also higher.
Yet, along with the consumer is more and more high to the requirement of the shooting quality of digital camera, traditional two-part aperture switching mechanism can't satisfy the requirement of the height shooting quality of high-order digit camera, and the mechanism that energy is done meticulousr control to lens aperture size will be indispensable.
The fundamental purpose of the utility model, be to provide a kind of improvement mechanism () of camera lens aperture switching, the switching of aperture size can be selected to increase to more than two kinds even four kinds, and, compared to aperture switching mechanism commonly used, aperture switching mechanism of the present utility model simple in structure, processing ease and manufacturing cost are also very cheap.
This aperture switching mechanism can be arranged on the digital camera, and it includes: a strip iris diaphragm plate and a discoid adjustment button.Be provided with the aperture that several vary in size and arrange in regular turn in this strip iris diaphragm plate, the position of this iris diaphragm plate be adjacent to this camera lens and have only in the same time aperture just can focusing light path in alignment with camera lens on.This discoid adjustment button is to be linked on this iris diaphragm plate, can spur the strip iris diaphragm plate by this adjustment button of rotation moves, and can select on the focusing light path of arbitrary aperture switching in alignment with camera lens in several apertures, by this kind structure, the switching of aperture size can be selected to increase to easily more than four kinds, and structure is also very simple.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described, so that, further understanding is arranged to purpose, feature and the effect of the utility model.
Fig. 1 is that first of the utility model aperture switching mechanism is implemented illustration;
Fig. 2 is that second of the utility model aperture switching mechanism is implemented illustration;
Fig. 3 is that the 3rd of the utility model aperture switching mechanism is implemented illustration;
Fig. 4 is that the 4th of the utility model aperture switching mechanism is implemented illustration.
See also Fig. 1, be the first preferred embodiment figure of the utility model aperture switching mechanism.This aperture switching mechanism can be arranged on the digital camera 1, and it includes: a strip iris diaphragm plate 40, an iris diaphragm plate rotating cylinder 43 and a discoid adjustment button 10.This strip iris diaphragm plate 40 is made with flexible material, is provided with several apertures that varies in size 41 in this strip iris diaphragm plate 40, arranges according to aperture 41 size orders to be arranged on the strip iris diaphragm plate 40.The position of this iris diaphragm plate 40 be adjacent to camera lens 3 and have only in the same time aperture 41 just can focusing light path in alignment with camera lens 3 on.These discoid adjustment button 10 extensions are provided with one 11, one end of strip iris diaphragm plate 40 is to be wound in this by on the axle 11 of adjusting button 10 extensions, the other end then is wound on the iris diaphragm plate rotating cylinder 43, can drive axle 11 rotations by this adjustment button 10 of rotation moves with pulling iris diaphragm plate 40, and, reach the purpose of switching aperture selectively with on the focusing light path of arbitrary aperture switching in several apertures 41 in alignment with camera lens 3.In an end of rotating cylinder 43 and be provided with a volute spring 42, and in an end of the axle 11 of adjusting button 10 and be provided with one can only unidirectional rotation under normal condition ratchet device commonly used 16, this volute spring 42 can provide an elastic force to impel rotating cylinder 43 rotations with on the iris diaphragm plate 40 rollback rotating cylinders 43.Adjusting button 10 by application of force rotation can pull out rotating cylinder 43 with iris diaphragm plate 40 and be wound on the axle 11 of adjusting button 10, and the direction of these ratchet device 16 unidirectional rotations is for iris diaphragm plate 40 being pulled out the direction of rotating cylinder 43, adjust button 10 and can make ratchet device 16 break away from engagements and can two-wayly rotate by pushing, at this moment, 40 of iris diaphragm plates can be by the elastic force of volute spring 42 and are rolled up to rotating cylinder 43.By this kind structure, the switching of aperture size can be selected to increase to easily more than two kinds even four kinds, and more have simple in structure, processing ease and advantage cheap for manufacturing cost.
In the following stated other embodiment of the present utility model and the diagram, be to be analogous to aforementioned components if address the structure or the function of element, identical all in addition label and title.
See also Fig. 2, be the second preferred embodiment figure of the utility model aperture switching mechanism.This aperture switching mechanism includes: a strip iris diaphragm plate 50, one discoid spacer 30, flexible member 15 and a discoid adjustment button 10e.Be provided with the aperture frame 53 that several equi-spaced apart distribute in strip iris diaphragm plate 50, all respectively be provided with an aperture 51 in each aperture frame 53, the size of its several apertures 51 has nothing in common with each other and is that order with aperture size is arranged on the strip iris diaphragm plate 50 in regular turn.On a long side of this strip iris diaphragm plate 50 and be provided with continuous tooth and form a tooth bar 52 structures, in adjust button 10e be provided with can with a gear 17 of these tooth bar 52 engaged transmission, adjust button 10e by rotation, rotatable gear 17 comes driving rack 52, so that pulling iris diaphragm plate 50 moves laterally, and, reach the purpose of switching aperture selectively with on the focusing light path of arbitrary aperture switching in several apertures 51 in alignment with camera lens 3e.This spacer 30 is that closing is on a dorsal part of adjusting button 10e, and this flexible member 15 is to be linked to spacer 30 and can to provide an elastic force to impel spacer 30 to press to adjusting button 10e, be provided with several salient points 32 in spacer 30 in the face of adjusting one of button 10e side, but in adjusting button 10e is provided with corresponding matching salient point 32 towards a side of spacer 30 several scrobicula holes 18, when button 10e was adjusted in rotation, this salient point 32 can be snapped in the pothole 18 and formation location.
See also Fig. 3, be the 3rd preferred embodiment figure of the utility model aperture switching mechanism, this embodiment is similar to shown in Fig. 2 haply.Aperture switching mechanism shown in Fig. 3 also includes: a strip iris diaphragm plate 50f, a discoid spacer 30f, flexible member 15f and a discoid adjustment button 10f.On strip iris diaphragm plate 50f, also be provided with among several aperture frame 53f and each the aperture frame 53f aperture 51f is all respectively arranged, on iris diaphragm plate 50f, also be provided with tooth bar 52f, adjust also have on the button 10f can with tooth bar 52f meshed gears 17f, and spacer 30f and adjustment button 10f also respectively are provided with the salient point 32f and the pothole 18f of corresponding matching mutually.This strip iris diaphragm plate 50f with flexible material (for example is, rubber or the flexible plastic cement of tool slightly) made, be provided with array in the appropriate location of the upper and lower both sides of iris diaphragm plate 50f and mix into right roller 60a, 60b, this iris diaphragm plate 50f is held between paired roller 60a, the 60b and guided by it, can guide or limit the direction that strip iris diaphragm plate 50f makes it turn back and extend by roller 60a, 60b.Therefore, by this kind structure, strip iris diaphragm plate 50f of the present utility model can be provided with the aperture 51f more than four easily, has more aperture switching and selects the size of controls lens aperture more critically, but can not cause puzzlement because of the length of strip iris diaphragm plate 50f is long.
See also Fig. 4, be the 4th preferred embodiment figure of the utility model aperture switching mechanism.This aperture switching mechanism also includes: a strip iris diaphragm plate 50g, a discoid spacer 30g, flexible member 15g and a discoid adjustment button 10g.On strip iris diaphragm plate 50g, also be provided with among several aperture frame 53g and each the aperture frame 53g aperture 51g is all respectively arranged, on iris diaphragm plate 30g, also be provided with tooth bar 52g, adjust also have on the button 10g can with tooth bar 52g meshed gears 17g, and spacer 30g and adjustment button 10g also respectively are provided with the salient point 32g and the pothole 18g of corresponding matching mutually.Itself and embodiment difference shown in Figure 2 are: the front and back end of this strip iris diaphragm plate 50g is to link together and be the iris diaphragm plate 50g of the ring-type of a continuity, peripheral side in this ring-type iris diaphragm plate 50g can be provided with guide chute 70, driven and rotate when mobile so that adjust button 10g at the iris diaphragm plate 50g of ring-type, this guide chute 70 can provide a guide effect with restriction iris diaphragm plate 50g direction of motion and avoid the skew of its position.
Certainly, only the preferred embodiment of adjusting button and spacer structure as shown in Fig. 2, Fig. 3 and Fig. 4, rather than in order to limit the practical range of the utility model.For example: any those skilled in the art of being familiar with all can make variation after by reference the utility model Fig. 2, Fig. 3 or content shown in Figure 4 easily, and for example, its several potholes can change to be located on the spacer, and its corresponding salient point then is to be located to adjust on the button.Or the quantity of its salient point has only one and pothole has several, can have the effect of engaging location too.
In sum, learn that the utility model is by being used by strip iris diaphragm plate and the collocation of adjusting button mechanism, the switching of lens aperture size can be selected increase to two kinds easily to more than four kinds, can improve various shortcoming such as the too poor and complex structure of the aperture control fineness of known two-part aperture switching mechanism.
Claims (8)
1. improvement mechanism () that the camera lens aperture that is used to switch the camera lens aperture size switches, this aperture switching mechanism includes:
One strip iris diaphragm plate is arranged with several apertures on this strip iris diaphragm plate, the position of this iris diaphragm plate be adjacent to this camera lens and have only in the same time aperture just can focusing light path in alignment with camera lens on; And
One discoid adjustment button is connected on this aperture, can spur the strip iris diaphragm plate by this adjustment button of rotation and move, and selectively the arbitrary aperture in several apertures is switched on the focusing light path in alignment with camera lens.
2. the improvement mechanism that aperture as claimed in claim 1 switches, it is characterized in that, this strip iris diaphragm plate is made by flexible material, one end of strip iris diaphragm plate is to be wound in one by adjusting on the extended axle of button, the other end then is wound on the iris diaphragm plate rotating cylinder, in an end of rotating cylinder and be provided with a volute spring, can provide an elastic force to impel the rotating cylinder rotation with on the iris diaphragm plate rollback rotating cylinder, adjust button by rotation and iris diaphragm plate can be pulled out rotating cylinder and be wound on the axle of adjusting button.
3. the improvement mechanism that aperture as claimed in claim 2 switches, it is characterized in that, in an end of the axle of this adjustment button be provided with one can only unidirectional rotation under normal condition ratchet device, its unidirectional sense of rotation is for iris diaphragm plate being pulled out the direction of rotating cylinder, adjust button and can make ratchet device break away from engagement and can two-wayly rotate by pushing, at this moment, iris diaphragm plate can be by the elastic force of volute spring, and volume is to rotating cylinder.
4. the improvement mechanism of switching as the described aperture of claim the 1, it is characterized in that, long limit in this strip iris diaphragm plate is provided with continuous tooth and forms a rack structure, in adjust button be provided with can with a gear of this rack structure engaged transmission, adjust button by rotation, the gear drive tooth bar is moved with the pulling iris diaphragm plate, and selectively with on the focusing light path of arbitrary aperture switching in alignment with camera lens in several apertures.
5. the structure-improved that aperture as claimed in claim 1 switches, it is characterized in that, also include a discoid spacer and a flexible member, this spacer is that closing is in adjusting on the button, and this flexible member is to be linked to spacer and can to provide an elastic force to impel spacer to press to adjusting button, be provided with several salient points in spacer in the face of adjusting one of the button side, but in adjusting button is provided with the corresponding matching salient point towards a side of spacer several potholes, when button was adjusted in rotation, this salient point can be snapped in the pothole and formation location.
6. the improvement mechanism that aperture as claimed in claim 1 switches, it is characterized in that, be provided with the aperture frame that several equi-spaced apart distribute in the strip iris diaphragm plate, all respectively be provided with an aperture in each aperture frame, the size of these several apertures has nothing in common with each other and is that order with aperture size is arranged on the iris diaphragm plate in regular turn.
7. the structure-improved that aperture as claimed in claim 1 switches, it is characterized in that, this strip iris diaphragm plate is made by flexible material, be provided with in the both sides of iris diaphragm plate and mix into right roller set, this iris diaphragm plate is to be held between the paired roller and guided by it, can guide iris diaphragm plate to make its yawing moment by roller.
8. the improvement mechanism that aperture as claimed in claim 1 switches, it is characterized in that, the front and back end of this strip iris diaphragm plate is to link together and be a successional rectangular ring-type iris diaphragm plate, in the peripheral side of this ring-type iris diaphragm plate and be provided with position and the direction of motion of guide chute with the guiding iris diaphragm plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205856 CN2337583Y (en) | 1998-06-11 | 1998-06-11 | Improved structure of iris diaphragm shifting for camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98205856 CN2337583Y (en) | 1998-06-11 | 1998-06-11 | Improved structure of iris diaphragm shifting for camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2337583Y true CN2337583Y (en) | 1999-09-08 |
Family
ID=33962154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98205856 Expired - Fee Related CN2337583Y (en) | 1998-06-11 | 1998-06-11 | Improved structure of iris diaphragm shifting for camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2337583Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398606B (en) * | 2007-09-24 | 2011-03-30 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device |
| CN109581783A (en) * | 2019-01-22 | 2019-04-05 | 长光卫星技术有限公司 | Objective lens center type mechanical shutter for aerial camera |
| CN112995437A (en) * | 2019-12-02 | 2021-06-18 | 北京小米移动软件有限公司 | Image acquisition device, electronic apparatus, image acquisition method, and storage medium |
-
1998
- 1998-06-11 CN CN 98205856 patent/CN2337583Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101398606B (en) * | 2007-09-24 | 2011-03-30 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device |
| CN109581783A (en) * | 2019-01-22 | 2019-04-05 | 长光卫星技术有限公司 | Objective lens center type mechanical shutter for aerial camera |
| CN109581783B (en) * | 2019-01-22 | 2021-03-30 | 长光卫星技术有限公司 | Objective lens center type mechanical shutter for aerial camera |
| CN112995437A (en) * | 2019-12-02 | 2021-06-18 | 北京小米移动软件有限公司 | Image acquisition device, electronic apparatus, image acquisition method, and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |