CN2682432Y - Lens with continuously adjustable focal length - Google Patents
Lens with continuously adjustable focal length Download PDFInfo
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- CN2682432Y CN2682432Y CN 200320108313 CN200320108313U CN2682432Y CN 2682432 Y CN2682432 Y CN 2682432Y CN 200320108313 CN200320108313 CN 200320108313 CN 200320108313 U CN200320108313 U CN 200320108313U CN 2682432 Y CN2682432 Y CN 2682432Y
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- lens
- focal length
- fluid reservoir
- continuously adjustable
- piston
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Abstract
The lens with continuously adjustable focal length of the utility model comprises a hollow structure double-layer lens, transparent liquid, a liquid reservoir and a piston motion control device. The lens here can be an eyeglass or a magnifying glass. The utility model is a focal length continuously adjustable eyeglass. The eyeglass cavity (4) of the lens with continuously adjustable focal length can be injected with the transparent liquid (14), and the fluid reservoir (6) is provided with a rack bar (8) whose front end is assembled with a piston (9). A transmitting gear handle (10) can move the rack bar (8) to push or extract the transparent liquid (14) into or out of the eyeglass cavity (4) to realize the eyeglass (2) focal length continuous control. This product has simple structure, few elements, low cost and easy use. The lens with continuously adjustable focal length has the characteristic of focal length continuously adjustable, and plays a certain protective action to eyes.
Description
Technical field
The utility model relates to lens, comprises optical instruments such as correction ametropic glasses of human eye and magnifier, microscope, telescope, and particularly the technology of the continuously adjustable lens of focal length belongs to the physical optics technical field.
Background technology
Along with human civilization advance, the working strength of human eye has increased greatly, is easy to generate defectives such as myopia; Simultaneously, owing to physiological reason, human eye its eyesight when old age also usually descends, and is usually expressed as long sight.Need to correct ametropia in these cases by wearing spectacles.
Magnifier also is a kind of lens commonly used, can help people to examine things.
Went through since lens such as glasses, magnifier come out hundreds of years, their outward appearance and material are ever-changing, but the focal length of lens such as glasses, magnifier is all fixed for a long time.
For glasses, because the ametropia of human eye is the process of a secular variation, in a single day eyesight changes, and the glasses of wearing originally just are difficult to be suitable for, and need people to change new glasses again and again, otherwise can harm one's eyes.But so not only make troubles, also increased expense.
In addition, most wearing spectacles persons, particularly adolescent myopia person for the consideration of economy or other reasons, change glasses for fear of frequently purchasing, and purchasing when renewing glasses, select the glasses higher than the number of degrees of answering wearing spectacles usually.So also can cause the significantly deterioration of eyesight.
In order to overcome this shortcoming, the multi-focal spectacle lens of single eyeglass, many lens structures has appearred adopting.But this many focal lengths Glasses structure complexity is regulated difficulty, and being difficult to become can practical product.
For magnifier, because its focal length is fixed, the scope of use is limited to.The magnifier of many focal lengths or adjustable focal length does not then appear in the newspapers.
Summary of the invention
The above-mentioned defective that exists for the multi-focal spectacle lens that overcomes lens such as present this fixed focal length glasses, magnifier and many lens structures, the utility model provides a kind of new focal length continuously adjustable lens, can make things convenient for, change continuously the focal length of this lens (as glasses, magnifier etc.).
The continuously adjustable lens of focal length of the present utility model, the technical scheme of employing is:
Can inject and the pumpback transparency liquid in the middle of the double layer lens of hollow structure, lens cavities, make lenses produce distortion, thereby change its focal length.Transparency liquid is in fluid reservoir, and fluid reservoir one end links to each other with lens cavities by the drain pipeline, and the fluid reservoir other end is by piston closes; Piston motion control device can control piston motion, the quantity of regulating the transparency liquid of turnover lens cavities realizes continuously changing of its focal length.
The continuously adjustable lens of focal length of the present utility model are made of eyeglass and Glasses earpiece during as the continuously adjustable glasses of focal length." double layer lens of hollow structure " is the Two-layer spectacle eyeglass of hollow structure, made by flexible transparent plastic; The hollow space of Two-layer spectacle eyeglass constitutes lens cavities, can inject in the lens cavities and the pumpback transparency liquid, makes eyeglass produce distortion, and the eyeglass focal length is corresponding also to change.
In order to make eyeglass can produce homogeneous deformation, the periphery of lens cavities is provided with the lens cavities inner groovy.
Because the injection of this transparency liquid and pumpback can free, controls continuously, thereby the deformation extent that eyeglass produces is controlled, and realized the continuous adjusting of eyeglass focal length.
The Two-layer spectacle eyeglass is here made by flexible transparent plastic, by method productions such as injection mouldings.
The transparency liquid here can adopt the liquid that physical property and chemical property are stable, freezing point is low, transparency is high, for example various mineral oil, vegetable oil or other suitable liquid.
" piston motion control device " to the continuous adjusting of eyeglass focal length, is by injecting in lens cavities and the carrying out of pumpback transparency liquid, comprising:
The Glasses earpiece of hollow structure, this hollow space constitutes fluid reservoir; Be provided with a tooth bar that can move forward and backward in the fluid reservoir, the front end of tooth bar is equipped with piston; Fluid reservoir one end links to each other with lens cavities by the drain pipeline, and the fluid reservoir other end is by this piston closes; The fluid reservoir middle part is provided with a location gear, and the positioning tooth wheel and rack is meshed; Positioning Gear has the gear handle of exposing Glasses earpiece.
With respect to the position of Positioning Gear, be provided with a circular groove in the inboard of Glasses earpiece, the groove inwall has the brake tooth that matches with Positioning Gear; Positioning Gear is positioned in the circular groove by the engagement with the brake tooth, but can Positioning Gear be extracted circular groove by pulling up gear handle, freely rotates, and then puts into circular groove and locate.
Move forward and backward tooth bar by the transmitting gear handle, the piston of tooth bar front end just pushes or extracts out lens cavities with the transparency liquid in the fluid reservoir, realizes the continuous adjusting of eyeglass focal length.
In order to show the eyeglass focal length, the focal length rule can also be set in the appropriate location of glasses.For example, can the focal length rule be set, by observing the focal length that piston moving location is read eyeglass indirectly at the piston shift position place of Glasses earpiece with respect to the tooth bar front end.
The continuously adjustable lens of focal length of the present utility model are made of magnifier lens and handle during as the continuously adjustable magnifier of focal length." double layer lens of hollow structure " is the double-deck magnifier lens of hollow structure, made by flexible transparent plastic; The hollow space of double-deck magnifier lens constitutes lens cavities, can inject in the lens cavities and the pumpback transparency liquid, makes magnifier lens produce distortion, and the magnifier lens focal length is corresponding also to change.
In order to make magnifier lens can produce homogeneous deformation, the periphery of lens cavities can be provided with the lens cavities inner groovy.
Because the injection of this transparency liquid and pumpback can free, controls continuously, thereby the deformation extent that magnifier lens produces is controlled, and realized the continuous adjusting of magnifier lens focal length.
The double-deck magnifier lens is here made by flexible transparent plastic, by method productions such as injection mouldings.
The transparency liquid here can adopt the liquid that physical property and chemical property are stable, freezing point is low, transparency is high, for example various mineral oil, vegetable oil or other suitable liquid.
" piston motion control device " to the continuous adjusting of magnifier lens focal length, is by injecting in lens cavities and the carrying out of pumpback transparency liquid, comprising:
The magnifier handle of hollow structure, this hollow space constitutes fluid reservoir; Be provided with a rotatable bolt in the fluid reservoir, the front end of bolt is equipped with piston; Piston has inside screw, is connected by screw-socket with bolt, and when bolt rotated, piston just can moving linearly; Fluid reservoir one end links to each other with lens cavities, and the fluid reservoir other end is by this piston closes.
Move forward and backward band inside screw piston by rotating rotatable bolt, thereby the transparency liquid in the fluid reservoir is pushed or extract out lens cavities, realize the continuous adjusting of magnifier lens focal length.
The continuously adjustable lens of focal length of the present utility model comprise magnifier, glasses etc., and simple in structure, parts are few, and cost is low, and is easy to use.Solved the defective that universal focus lens uses.For example, overcome the deficiency that is difficult to adapt to people's ametropia secular variation of the glasses of fixed focal length, reduced the trouble of the new glasses of frequent transposing, the term of life that has prolonged glasses has also been saved expense.Because product of the present utility model has the continuously adjustable characteristics of focal length, can allow the glasses focal length of wearing be in optimum condition at any time, and eyes are had certain protective role.
Equally, the usable range of the continuously adjustable magnifier of focal length has also enlarged greatly.
The utility model is described in further detail below in conjunction with drawings and Examples, but and unrestricted range of application of the present utility model.
Description of drawings
Fig. 1 is the continuously adjustable Glasses structure figure of focal length of the present utility model;
Fig. 2 is piston motion control device (focus adjustment part) structural drawing of the continuously adjustable glasses of focal length;
Fig. 3 is piston motion control device (focus adjustment part) enlarged diagram of the continuously adjustable glasses of focal length.
Fig. 4 is the user mode synoptic diagram of the continuously adjustable glasses of focal length;
Fig. 5 is the synoptic diagram of the side view of the continuously adjustable magnifier of focal length.
Fig. 6 is the structural representation of the continuously adjustable magnifier of focal length.
Among Fig. 1, the Glasses earpiece of hollow structure (1), this hollow space constitutes fluid reservoir (6); Be provided with a tooth bar that can move forward and backward (8) in the fluid reservoir (6), the front end of tooth bar (8) is equipped with piston (9);
The Two-layer spectacle eyeglass (2) of hollow structure, this hollow space constitutes lens cavities (4), is provided with lens cavities inner groovy (3) at the periphery of lens cavities (4);
Fluid reservoir (6) one ends link to each other with lens cavities (4) by drain pipeline (5), and fluid reservoir (6) other end is sealed by piston (9);
Positioning Gear (7) is meshed with tooth bar (8), and Positioning Gear (7) has the gear handle (10) of exposing Glasses earpiece (1);
Focal length rule (11) is located at the place, shift position of piston (9).
Among Fig. 2, the inboard of Glasses earpiece (1) is provided with a circular groove (12), and the groove inwall has brake tooth (13);
Among Fig. 3, Positioning Gear (7) is positioned in the circular groove (12) by the engagement with brake tooth (13) as can be seen, by pulling up gear handle (10), Positioning Gear (7) is extracted circular groove (12), can freely rotate, and then put into circular groove (12) location;
Transparency liquid (14) riddles in lens cavities (4), drain pipeline (5) and the fluid reservoir (6).
Among Fig. 5, transparency liquid (14) riddles the double-deck magnifier lens (18) of hollow structure, and the hollow space of the magnifier handle (16) of hollow structure constitutes fluid reservoir (6); Be provided with a rotatable bolt (15) in the fluid reservoir (6), the front end of rotatable bolt (15) is equipped with band inside screw piston (17).
Embodiment
Embodiment 1,
The continuously adjustable lens of focal length comprise double layer lens, transparency liquid, fluid reservoir and the piston motion control device of hollow structure.
The lens here are the glasses that are made of eyeglass and Glasses earpiece.The double layer lens of hollow structure is the Two-layer spectacle eyeglass (2) of hollow structure, is made by flexible transparent plastic; The hollow space of Two-layer spectacle eyeglass (2) constitutes lens cavities (4), can inject in the lens cavities (4) and pumpback transparency liquid (14), makes eyeglass (2) produce distortion, and the eyeglass focal length is corresponding also to change.
In order to make eyeglass (2) can produce homogeneous deformation, the periphery of lens cavities (4) is provided with lens cavities inner groovy (3).
The continuous adjusting of eyeglass focal length is that the piston motion control device is undertaken by the injection and the pumpback of transparency liquid, comprising:
The Glasses earpiece of hollow structure (1), this hollow space constitutes fluid reservoir (6); Be provided with a tooth bar that can move forward and backward (8) in the fluid reservoir (6), the front end of tooth bar (8) is equipped with piston (9); Fluid reservoir (6) one ends link to each other with lens cavities (4) by drain pipeline (5), and fluid reservoir (6) other end is sealed by this piston (9); Fluid reservoir (6) middle part is provided with a location gear (7), and Positioning Gear (7) is meshed with tooth bar (8); Positioning Gear (7) has the gear handle (10) of exposing Glasses earpiece.
With respect to the position of Positioning Gear (7), be provided with a circular groove (12) in the inboard of Glasses earpiece (1), the groove inwall has the brake tooth (13) that matches with Positioning Gear (7); Positioning Gear (7) is positioned in the circular groove (12) by the engagement with brake tooth (13), but can Positioning Gear (7) be extracted circular groove (12) by pulling up gear handle (10), freely rotates, and then puts into circular groove (12) location.
Move forward and backward tooth bar (8) by transmitting gear handle (10), the piston (9) of tooth bar (8) front end just pushes or extracts out lens cavities (4) with the transparency liquid (14) in the fluid reservoir (6), realizes the continuous adjusting of eyeglass (2) focal length.
As the continuously adjustable lens of the focal length of embodiment 1, but at piston (9) the shift position place of Glasses earpiece (1) with respect to tooth bar (8) front end, be provided with focal length rule (11), can read the focal length of eyeglass (2) indirectly by the shift position of observing piston (9).
As the continuously adjustable lens of the focal length of embodiment 1 or 2, but the Two-layer spectacle eyeglass (2) is here made by flexible transparent plastic.
The transparency liquid here (14) can adopt the liquid that physical property and chemical property are stable, freezing point is low, transparency is high, for example various mineral oil, vegetable oil or other suitable liquid.
As the continuously adjustable lens of the focal length of embodiment 3, but transparency liquid (14) is mineral oil, vegetable oil.
The continuously adjustable lens of focal length comprise double layer lens, transparency liquid, fluid reservoir and the piston motion control device of hollow structure.
The lens here are the magnifieres that is made of magnifier lens and handle.The double layer lens of hollow structure is the double-deck magnifier lens (18) of hollow structure, is made by flexible transparent plastic; The hollow space of double-deck magnifier lens (18) constitutes lens cavities (4), can inject in the lens cavities (4) and pumpback transparency liquid (14), makes magnifier lens (18) produce distortion, and the focal length of magnifier lens (18) is corresponding also to change.
In order to make magnifier lens (18) can produce homogeneous deformation, the periphery of lens cavities (4) can be provided with lens cavities inner groovy (3).
The transparency liquid here (14) can adopt the liquid that physical property and chemical property are stable, freezing point is low, transparency is high, for example various mineral oil, vegetable oil or other suitable liquid.
The continuous adjusting of magnifier lens (18) focal length is that the piston motion control device is undertaken by the injection and the pumpback of transparency liquid (14), comprising:
The magnifier handle (16) of hollow structure, this hollow space constitutes fluid reservoir (6); Be provided with a rotatable bolt (15) in the fluid reservoir (6), the front end of rotatable bolt (15) is equipped with band inside screw piston (17), is connected by screw-socket with bolt; When rotatable bolt (15) rotates, band inside screw piston (17) moving linearly; One end of fluid reservoir (6) links to each other with lens cavities (4), and fluid reservoir (6) other end is with inside screw piston (17) sealing.
Move forward and backward band inside screw piston (17) by rotating rotatable bolt (15), thereby the transparency liquid (14) in the fluid reservoir (6) is pushed or extract out lens cavities (4), realize the continuous adjusting of magnifier lens (18) focal length.
As the continuously adjustable lens of the focal length of embodiment 6, but described transparency liquid (14) is mineral oil, vegetable oil.
Claims (7)
1, the continuously adjustable lens of focal length comprise the double layer lens of hollow structure, transparency liquid, fluid reservoir and piston motion control device;
It is characterized in that the lens here are the glasses that are made of eyeglass and Glasses earpiece, the double layer lens of hollow structure is the Two-layer spectacle eyeglass (2) of hollow structure, the hollow space of Two-layer spectacle eyeglass (2) constitutes lens cavities (4), can inject in the lens cavities (4) and pumpback transparency liquid (14), the periphery of lens cavities (4) is provided with lens cavities inner groovy (3);
The piston motion control device comprises:
The Glasses earpiece of hollow structure (1), this hollow space constitutes fluid reservoir (6); Be provided with tooth bar (8) in the fluid reservoir (6), the front end of tooth bar (8) is equipped with piston (9); Fluid reservoir (6) one ends link to each other with lens cavities (4) by drain pipeline (5), and fluid reservoir (6) other end is sealed by this piston (9); Fluid reservoir (6) middle part is provided with a location gear (7), and Positioning Gear (7) is meshed with tooth bar (8); Positioning Gear (7) has the gear handle (10) of exposing Glasses earpiece;
With respect to the position of Positioning Gear (7), be provided with a circular groove (12) in the inboard of Glasses earpiece (1), the groove inwall has the brake tooth (13) that matches with Positioning Gear (7).
2,, it is characterized in that being provided with focal length rule (11) at the place, piston (9) shift position of Glasses earpiece (1) with respect to tooth bar (8) front end according to the continuously adjustable lens of the focal length of claim 1.
3,, it is characterized in that the Two-layer spectacle eyeglass (2) here made by flexible transparent plastic according to the continuously adjustable lens of the focal length of claim 1 or 2;
The transparency liquid here (14) is the liquid that physical property and chemical property are stable, freezing point is low, transparency is high, for example various mineral oil, vegetable oil.
4,, it is characterized in that transparency liquid (14) is mineral oil, vegetable oil according to the continuously adjustable glasses of the focal length of claim 3.
5, the continuously adjustable lens of focal length comprise the double layer lens of hollow structure, transparency liquid, fluid reservoir and piston motion control device;
It is characterized in that the lens here are the magnifieres that is made of magnifier lens and handle, the double layer lens of hollow structure is the double-deck magnifier lens (18) of hollow structure,
The hollow space of double-deck magnifier lens (18) constitutes lens cavities (4), can inject in the lens cavities (4) and pumpback transparency liquid (14), and the periphery of lens cavities (4) is provided with lens cavities inner groovy (3);
The piston motion control device comprises:
The magnifier handle (16) of hollow structure, this hollow space constitutes fluid reservoir (6); Be provided with a rotatable bolt (15) in the fluid reservoir (6), the front end of rotatable bolt (15) is equipped with band inside screw piston (17), is connected by screw-socket with bolt; One end of fluid reservoir (6) links to each other with lens cavities (4), and fluid reservoir (6) other end is with inside screw piston (17) sealing.
6,, it is characterized in that the double-deck magnifier lens (18) here made by flexible transparent plastic according to the continuously adjustable lens of the focal length of claim 5;
The transparency liquid here (14) is the liquid that physical property and chemical property are stable, freezing point is low, transparency is high, for example various mineral oil, vegetable oil.
7,, it is characterized in that described transparency liquid (14) is mineral oil, vegetable oil according to the continuously adjustable lens of the focal length of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108313 CN2682432Y (en) | 2003-11-25 | 2003-11-25 | Lens with continuously adjustable focal length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320108313 CN2682432Y (en) | 2003-11-25 | 2003-11-25 | Lens with continuously adjustable focal length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2682432Y true CN2682432Y (en) | 2005-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320108313 Expired - Fee Related CN2682432Y (en) | 2003-11-25 | 2003-11-25 | Lens with continuously adjustable focal length |
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| Country | Link |
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| CN (1) | CN2682432Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667537A (en) * | 2009-10-15 | 2012-09-12 | 阿德伦丝必康公司 | Hinge mechanism for a fluid filled lens assembly |
| CN103282821A (en) * | 2010-10-11 | 2013-09-04 | 阿德伦丝必康公司 | Non powered concepts for a wire frame of fluid filled lenses |
| CN104122610A (en) * | 2013-04-26 | 2014-10-29 | 李绍忠 | Adjustable lens |
| CN104216138A (en) * | 2014-09-05 | 2014-12-17 | 京东方科技集团股份有限公司 | Eyeglasses |
| CN108845432A (en) * | 2018-07-05 | 2018-11-20 | 苏州征之魂专利技术服务有限公司 | A kind of glasses that can dim accommodation open country |
-
2003
- 2003-11-25 CN CN 200320108313 patent/CN2682432Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667537A (en) * | 2009-10-15 | 2012-09-12 | 阿德伦丝必康公司 | Hinge mechanism for a fluid filled lens assembly |
| US8876283B2 (en) | 2009-10-15 | 2014-11-04 | Adlens Beacon, Inc. | Hinge mechanism for a fluid filled lens assembly |
| CN102667537B (en) * | 2009-10-15 | 2014-12-31 | 阿德伦丝必康公司 | Hinge mechanism for a fluid filled lens assembly |
| US9354456B2 (en) | 2009-10-15 | 2016-05-31 | Adlens Beacon, Inc. | Hinge mechanism for a fluid filled lens assembly |
| CN103282821A (en) * | 2010-10-11 | 2013-09-04 | 阿德伦丝必康公司 | Non powered concepts for a wire frame of fluid filled lenses |
| CN103282821B (en) * | 2010-10-11 | 2015-02-18 | 阿德伦丝必康公司 | Non powered concepts for a wire frame of fluid filled lenses |
| EP3486710A3 (en) * | 2010-10-11 | 2019-07-17 | Adlens Beacon, Inc. | Non powered concepts for a wire frame of fluid filled lenses |
| CN104122610A (en) * | 2013-04-26 | 2014-10-29 | 李绍忠 | Adjustable lens |
| CN104216138A (en) * | 2014-09-05 | 2014-12-17 | 京东方科技集团股份有限公司 | Eyeglasses |
| CN108845432A (en) * | 2018-07-05 | 2018-11-20 | 苏州征之魂专利技术服务有限公司 | A kind of glasses that can dim accommodation open country |
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| 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 |