CN204016786U - The training aids of a kind of bitubular visual accommodation - Google Patents
The training aids of a kind of bitubular visual accommodation Download PDFInfo
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- CN204016786U CN204016786U CN201420401252.0U CN201420401252U CN204016786U CN 204016786 U CN204016786 U CN 204016786U CN 201420401252 U CN201420401252 U CN 201420401252U CN 204016786 U CN204016786 U CN 204016786U
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Abstract
This utility model relates to the training aids of a kind of bitubular visual accommodation, comprise two arrangement of mirrors cylinders, between described two arrangement of mirrors cylinders, by connecting plate, be connected as a single entity, from front, be then disposed with positive and negative diopter and regulate battery of lens, focus adjustment battery of lens and visual training chart board in described two arrangement of mirrors cylinders, also comprise with described positive and negative diopter and regulate the positive and negative diopter adjusting knob that battery of lens is connected and the focus adjustment knob being connected with described focus adjustment battery of lens.This training aids adopts telescopical structural principle, regulate battery of lens and focus adjustment battery of lens to be built in two arrangement of mirrors cylinders vision chart board, positive and negative diopter, and adopt knob assembly to control the variation of the positive and negative number of degrees (diopter) and focal length, thereby can improve governing speed uniformity, increase the amplitude of accommodation, and it is not enough effectively to improve control lag and regulatory function, and reasonable in design, easy to use, trainer uses interest high.
Description
Technical field
This utility model relates to eye health instrument, is specially the training aids of a kind of bitubular visual accommodation.
Background technology
At present, the rate of myopia of adolescents in China is high, has caused showing great attention to of the relevant departments such as the Ministry of Education, Ministry of Public Health.Existing means are except joining the technology such as mirror, laser surgery, cornea be moulding, visual function training become safety, effectively, the myopia of prevention and control easily main method.And reversion to clap be the most common and effective instrument wherein.
Reversion is clapped and is claimed that again upset is clapped, butterfly is clapped, the positive and negative two pairs of prisms and one that equated by the number of degrees are managed handle and are formed, during use, in trainer the place ahead, place a test-card (distance is fixed as 40cm conventionally), reversion is clapped and is placed between trainer's eyes and test-card, by managing the handle positive and negative two pairs of prisms that reversion claps that overturn back and forth, and when guaranteeing to overturn each time, trainer's eyes can be read clearly in situation, records in 1 minute from telescope direct degree to the change frequency of bearing mirror degree.In practice, this training equipment exists following not enough: 1, the number of degrees in visual accommodation change employing cataclysm formula, just from the positive number of degrees, change to the negative number of degrees quickly, and trainer's eyes are difficult to adapt to, can not effectively transfer the potential of eyes self, thus the regulating effect affecting one's power of vision; 2, in using, trainer needs a hands hands by managing handle upset back and forth, easily cause hand tired, the speed that causes each upset, before and after special, the speed span of upset is larger, thereby makes governing speed inhomogeneous, simultaneously, because hand is easily tired, also affected the interest of trainer's continuous training; 3, the distance of test-card is generally fixed value, is an impediment to the training of the eye amplitude of accommodation.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, provide a kind of positive and negative number of degrees gradual change type to regulate, thereby improve regulating effect, improve governing speed uniformity, increase the amplitude of accommodation, and easy to use, the bitubular visual accommodation training aids that trainer's interest is high.
For achieving the above object, the technical solution adopted in the utility model is:
The training aids of a kind of bitubular visual accommodation, comprise two arrangement of mirrors cylinders, between described two arrangement of mirrors cylinders, by connecting plate, be connected as a single entity, from front, be then disposed with positive and negative diopter and regulate battery of lens, focus adjustment battery of lens and visual training chart board in described two arrangement of mirrors cylinders, also comprise with described positive and negative diopter and regulate the positive and negative diopter adjusting knob that battery of lens is connected and the focus adjustment knob being connected with described focus adjustment battery of lens.
Further, on described two arrangement of mirrors cylinders, be hinged with respectively extension lower limb.
Further, described positive and negative diopter regulates battery of lens to comprise the first fixed lens and the first movable lens arranging along lens barrel axis direction.The front end lateral wall of described lens barrel is provided with the first chute, described positive and negative diopter adjusting knob and a gear are coaxially arranged on the front end upside of described lens barrel, the tooth bar that described gear and is arranged on described lens barrel front end outside is meshed, described tooth bar lower end is provided with a slide bar, and described slide bar is affixed with described the first movable lens in the first chute stretches into described lens barrel.Position corresponding to described positive and negative diopter adjusting knob on described lens barrel is provided with graduated disc.
Further, described focus adjustment battery of lens comprises the second fixed lens and the second movable lens arranging along described lens barrel axis direction.The rear inside wall of described lens barrel is provided with the second chute, described focus adjustment knob one end is installed in rotation on described connecting plate, the other end coordinates with a driver plate spiral, and two ends second chute of described driver plate stretches in described lens barrel affixed with described the second movable lens.Position corresponding to described the second chute on described lens barrel is provided with rule.
Further, described visual training chart board is dismountable is fixedly mounted in described lens barrel.
Further, described two arrangement of mirrors cylinders regulate the front end of battery of lens to be provided with sight glass in positive and negative diopter.
Compared with prior art, this utility model adopts telescopical structural principle, regulate battery of lens and focus adjustment battery of lens to be built in two arrangement of mirrors cylinders vision chart board, positive and negative diopter, and adopt knob assembly to control the variation of the positive and negative number of degrees (diopter) and focal length, thereby tool has the following advantages:
First, in visual accommodation, the positive and negative number of degrees (diopter) be changed to gradual change type, by the positive number of degrees or the negative number of degrees negative number of degrees that transform to correspondence or the positive number of degrees gradually, thereby be effectively applied to trainer's eyes, the potential of eyes self is excited, and then improve the regulating effect of vision.
Secondly, adopt knob mode to regulate, and be provided with corresponding scale value, can improve the uniformity regulating, avoid large span to regulate the injury to eyes.
Moreover, during use, need not be hand-held, by hanging lower limb, put on, use very conveniently, can avoid affecting because managing fatigue the interest of the lasting use of trainer.
Finally, visual training chart board distance is adjustable, and can change according to training need the chart board of different content, thereby is not only conducive to increase the amplitude of accommodation of eyes, and can further excite trainer's use interest.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of this utility model bitubular visual accommodation training aids.
Fig. 2 is the front-view schematic diagram of this utility model bitubular visual accommodation training aids, and meaning not shown in the figures is hung lower limb.
The specific embodiment
The embodiment providing below in conjunction with accompanying drawing is described further this utility model.
As depicted in figs. 1 and 2, the training aids of a kind of bitubular visual accommodation, comprises between two arrangement of mirrors cylinder 1, two arrangement of mirrors cylinders 1 and being connected as a single entity by connecting plate 2.In two arrangement of mirrors cylinders 1, from front sight glass 13, the adjusting of positive and negative diopter battery of lens 3, focus adjustment battery of lens 4 and the visual training chart board 5 of being then disposed with, also comprise the positive and negative diopter adjusting knob 6 being connected with positive and negative diopter adjusting battery of lens 3 and the focus adjustment knob 7 being connected with focus adjustment battery of lens 4.
Preferably, be hinged with respectively and hang lower limb 8 on two arrangement of mirrors cylinders 1, during use, can hang lower limb 8 by this and training aids is hung on trainer's ear, two arrangement of mirrors cylinders are just in time positioned at the dead ahead of eyes.Visual training chart board 5 is dismountable to be fixedly mounted in lens barrel 1, and trainer can change the chart board of different content according to actual needs.
Preferably, positive and negative diopter regulates battery of lens 3 to comprise the first fixed lens 31 and the first movable lens 32 arranging along lens barrel 1 axis direction.The front end lateral wall of lens barrel 1 is provided with the first chute 1a, positive and negative diopter adjusting knob 6 and a gear 9 are coaxially arranged on the front end upside of lens barrel 1, the tooth bar 10 that gear 9 and is arranged on lens barrel 1 front end outside is meshed, tooth bar 10 lower ends are provided with a slide bar 11, and slide bar 11 stretches in lens barrel 1 affixed with the first movable lens 32 through the first chute 1a.During use, by rotating positive and negative diopter adjusting knob 6, through gear 9 band carry-over bars 10,10 of tooth bars drive the first movable lens 32 to move forward or backward through slide bar 11, thereby realize by the positive number of degrees or the negative number of degrees negative number of degrees that transform to correspondence or the positive number of degrees gradually.Designer can be designed to convex lens or concavees lens by the first fixed lens 31 and the first movable lens 32 in conjunction with prior art, as long as meet when the first movable lens 32 moves forward and backward, can realize positive and negative dioptric variation.For the ease of the adjusting to positive and negative diopter occurrence, control, can on lens barrel 1, graduated disc be set the position corresponding to positive and negative diopter adjusting knob 6.
Preferably, focus adjustment battery of lens 4 comprises the second fixed lens 41 and the second movable lens 42 arranging along lens barrel 1 axis direction.The rear inside wall of lens barrel 1 is provided with the second chute 1b, focus adjustment knob 7 one end are installed in rotation on connecting plate 2, the other end coordinates with driver plate 12 spirals, and the two ends second chute 1b of driver plate 12 stretches in lens barrel 1 affixed with the second movable lens 42.During use, by rotating focus adjustment knob 7, drive driver plate 12 front and back actions, and then drive the second movable lens 42 to move forward and backward, the distance (focal length) that realizes visual training chart board is adjustable.Equally, designer can be designed to convex lens or concavees lens by the second fixed lens 41 and the second movable lens 42 in conjunction with prior art, as long as meet when the second movable lens 42 moves forward and backward, can realize the variation of focal length.Adjusting for the ease of focusing occurrence is controlled, and can on lens barrel 1, rule (not shown) be set the position corresponding to the second chute 1b.
Above-described embodiment is only for illustration of the utility model; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; in the situation that not departing from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (10)
1. bitubular visual accommodation training aids, comprise two arrangement of mirrors cylinders, between described two arrangement of mirrors cylinders, by connecting plate, be connected as a single entity, it is characterized in that: from front, be then disposed with positive and negative diopter and regulate battery of lens, focus adjustment battery of lens and visual training chart board in described two arrangement of mirrors cylinders, also comprise with described positive and negative diopter and regulate the positive and negative diopter adjusting knob that battery of lens is connected and the focus adjustment knob being connected with described focus adjustment battery of lens.
2. a kind of bitubular visual accommodation according to claim 1 training aids, is characterized in that: on described two arrangement of mirrors cylinders, be hinged with respectively extension lower limb.
3. a kind of bitubular visual accommodation according to claim 1 and 2 training aids, is characterized in that: described positive and negative diopter regulates battery of lens to comprise the first fixed lens and the first movable lens arranging along lens barrel axis direction.
4. a kind of bitubular visual accommodation according to claim 3 training aids, it is characterized in that: the front end lateral wall of described lens barrel is provided with the first chute, described positive and negative diopter adjusting knob and a gear are coaxially arranged on the front end upside of described lens barrel, the tooth bar that described gear and is arranged on described lens barrel front end outside is meshed, described tooth bar lower end is provided with a slide bar, and described slide bar is affixed with described the first movable lens in the first chute stretches into described lens barrel.
5. a kind of bitubular visual accommodation according to claim 4 training aids, is characterized in that: the position corresponding to described positive and negative diopter adjusting knob on described lens barrel is provided with graduated disc.
6. a kind of bitubular visual accommodation according to claim 1 and 2 training aids, is characterized in that: described focus adjustment battery of lens comprises the second fixed lens and the second movable lens arranging along described lens barrel axis direction.
7. a kind of bitubular visual accommodation according to claim 6 training aids, it is characterized in that: the rear inside wall of described lens barrel is provided with the second chute, described focus adjustment knob one end is installed in rotation on described connecting plate, the other end coordinates with a driver plate spiral, and two ends second chute of described driver plate stretches in described lens barrel affixed with described the second movable lens.
8. a kind of bitubular visual accommodation according to claim 7 training aids, is characterized in that: the position corresponding to described the second chute on described lens barrel is provided with rule.
9. a kind of bitubular visual accommodation according to claim 1 training aids, is characterized in that: described visual training chart board is dismountable to be fixedly mounted in described lens barrel.
10. a kind of bitubular visual accommodation according to claim 1 training aids, is characterized in that: described two arrangement of mirrors cylinders regulate the front end of battery of lens to be provided with sight glass in positive and negative diopter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401252.0U CN204016786U (en) | 2014-07-18 | 2014-07-18 | The training aids of a kind of bitubular visual accommodation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420401252.0U CN204016786U (en) | 2014-07-18 | 2014-07-18 | The training aids of a kind of bitubular visual accommodation |
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| CN204016786U true CN204016786U (en) | 2014-12-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965382A (en) * | 2015-05-26 | 2015-10-07 | 青岛歌尔声学科技有限公司 | Micro projector module and display device |
| CN104970954A (en) * | 2015-06-26 | 2015-10-14 | 李德一 | Comprehensive physical exercise device of antimetropia |
| CN110383134A (en) * | 2017-02-21 | 2019-10-25 | 神特乐股份有限公司 | Distance vision for image display embodies glasses |
| CN112263451A (en) * | 2020-10-28 | 2021-01-26 | 中国人民解放军陆军特色医学中心 | Correcting instrument for inhibiting myopia degree from deepening |
-
2014
- 2014-07-18 CN CN201420401252.0U patent/CN204016786U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104965382A (en) * | 2015-05-26 | 2015-10-07 | 青岛歌尔声学科技有限公司 | Micro projector module and display device |
| CN104970954A (en) * | 2015-06-26 | 2015-10-14 | 李德一 | Comprehensive physical exercise device of antimetropia |
| CN110383134A (en) * | 2017-02-21 | 2019-10-25 | 神特乐股份有限公司 | Distance vision for image display embodies glasses |
| CN112263451A (en) * | 2020-10-28 | 2021-01-26 | 中国人民解放军陆军特色医学中心 | Correcting instrument for inhibiting myopia degree from deepening |
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Address after: 510000 floor 299 to two of Guangfu Middle Road, Liwan District, Guangzhou, Guangdong Province, and the third floor, 299 and 301 Patentee after: Guangzhou vision optical technology Co., Ltd Address before: 510000, No. 395, Renmin Middle Road, Liwan District, Guangdong, two or three, Guangzhou Patentee before: GUANGZHOU VISION OPTICS TECHNOLOGY Co.,Ltd. |