CN203506938U

CN203506938U - Myopia prevention table

Info

Publication number: CN203506938U
Application number: CN201320567446.3U
Authority: CN
Inventors: 王成堂
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-13
Filing date: 2013-09-13
Publication date: 2014-04-02
Anticipated expiration: 2023-09-13

Abstract

The utility model relates to the technical field of eyesight protection devices, in particular to a myopia prevention table. The myopia prevention table comprises a base, a connecting rod, a lens frame, an objective lens and an eye lens. The connecting rod is fixedly installed on the base, the left end of the upper portion of the connecting rod and the right part of the lens frame are hinged together, the eye lens is hinged to the left of the lens frame, and the objective lens is hinged to the right of the lens frame. The myopia prevention table is reasonable and compact in structure, the eye lens and the objective lens are additionally arranged, the vision angle of a person who conducts reading and writing is changed, the person who conducts reading and writing can clearly see a pen placing position and the content surrounding the pen putting position and then can easily conduct writing without tilting the head or leaning the body forwards, the writing habit of the person who conducts reading and writing can be corrected, and no matter how short the distance between the person who conducts reading and writing and the eye lens is, due to the specular reflection image-forming principle, it can be guaranteed that a certain distance exists between the book content seen by the eyes and the book content seen by the eyes through the eye lens. Consequently, the eyes can be effectively protected, myopia can be prevented, and cervical spondylosis or spinal diseases caused by the bad writing habit can be avoided.

Description

Myopia prevention dressing table

Technical field

this utility model relates to vision protection device technical field, is a kind of myopia prevention dressing table.

Background technology

now, students in middle and primary schools' learning pressure is larger, and lessons are heavy.Its in the process of writing owing to holding a pen posture not exclusively correct, will cause hands or pen that the place of writing is blocked, often need torticollis or forward lean just can see clearly, in the course of time, will form incorrect sitting posture custom, very easily cause hypometropia, and if things go on like this, also easily cause cervical spondylosis or vertebra class disease.Thereby current existing vision protection device, adopt the device of answering adjustable desk lamp switch by distance perspective, yet light comparatively frequently switch can stimulate eyes equally, easily causes other ill symptoms, comfort level is poor; Also have vision protection device to adopt the devices such as chin saddle, such device mostly is the anti-low head unit of pressure of maximum height limit, and comfort level is poor, uses inconvenience.

Summary of the invention

this utility model provides a kind of myopia prevention dressing table, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the stimulation eyes that existing vision protection device exists, thereby causes ill symptoms, the problem that comfort level is poor.

the technical solution of the utility model realizes by following measures: a kind of myopia prevention dressing table, comprise base, connecting rod, lens frame, object lens and eyepiece, on base, be installed with connecting rod, the top left end of connecting rod and the right part of lens frame are hinged, the left part of lens frame is hinged with eyepiece, and the right part of lens frame is hinged with object lens.

the further optimization and/or improvements to above-mentioned utility model technical scheme below:

above-mentioned object lens and eyepiece all can be thin slice plane mirror.

above-mentioned connecting rod can comprise transversal stretching bar and longitudinal extension bar, the bottom of longitudinal extension bar and the middle part of base are fixedly installed togather, the upper end of the right-hand member of transversal stretching bar and longitudinal extension bar is fixed together, and left end and the lens frame of transversal stretching bar are hinged.

according to demand, connecting rod can be metal sizing flexible pipe.

angle between above-mentioned object lens and horizontal line can be the first angle, and the first angle is 0 degree to 60 degree; Angle between eyepiece and horizontal line is the second angle, and the second angle is 0 degree to 45 degree; Angle between object lens and eyepiece is the 3rd angle, and the 3rd angle is greater than 0 degree and is not more than 60 degree.

this utility model reasonable and compact in structure, it is by setting up eyepiece and object lens, what changed those who read and write looks object angle degree, thereby those who read and write can clearly be seen start to write place and content around thereof, make it not need torticollis or the health that leans forward can easily be write, and then aiding in literacy person corrects writing style, and no matter those who read and write have how close apart from the distance of eyepiece, due to direct reflection image-forming principle, all can guarantee the certain distance that exists of eyes and its book contents that can see through eyepiece; Therefore can effectively protect eyes, pre-myopia prevention, can avoid bad writing style to cause cervical spondylosis or vertebra class disease simultaneously; Simple in structure, easy to use, be easy to promote.

Accompanying drawing explanation

accompanying drawing 1 is the main TV structure schematic diagram of this utility model most preferred embodiment.

accompanying drawing 2 is the plan structure schematic diagram of accompanying drawing 1.

coding in accompanying drawing is respectively: 1 is base, and 2 is lens frame, and 3 is object lens, and 4 is eyepiece, and 5 is transversal stretching bar, and 6 is longitudinal extension bar, and α is the first angle, and β is the second angle, and γ is the 3rd angle.

The specific embodiment

this utility model is not subject to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and practical situation.

in this utility model, for convenience of description, the description of the relative position relation of each parts is to be all described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.

below in conjunction with embodiment and accompanying drawing, this utility model is further described:

as shown in accompanying drawing 1,2, this myopia prevention dressing table comprises base 1, connecting rod, lens frame 2, object lens 3 and eyepiece 4, on base 1, be installed with connecting rod, the top left end of connecting rod and the right part of lens frame 2 are hinged, the left part of lens frame 2 is hinged with eyepiece 4, and the right part of lens frame 2 is hinged with object lens 3.In use, the position of first adjusting base 1 makes object lens 3 to the position that can shine book contents, then by base 1 fixed placement on desk, the angle of adjusting again object lens 3 and eyepiece 4 can be presented in eyepiece 4 bookish content clearly, so just can carry out ensuing read-write by eyepiece 4.In this process, books are positioned at the left side, below of object lens 3, those who read and write's seat is in the top, left side of eyepiece 4, make thus those who read and write see by eyepiece 4 is open-and-shut start to write place and content around thereof, thereby do not need torticollis or the health that leans forward can easily be write, and then aiding in literacy person corrects writing style, and no matter those who read and write has apart from the distance of eyepiece 4 how close, due to direct reflection image-forming principle, all can guarantee the certain distance that exists of eyes and its book contents that can see through eyepiece 4; Eyes can be effectively protected on right side, and pre-myopia prevention can avoid bad writing style to cause cervical spondylosis or vertebra class disease simultaneously.According to demand, it also can be used as desk lamp assembly and uses, thereby saves base, thereby save its additional areas to desktop, takies; The junction of its hinged place and connecting rod and base 1 all can adopt detachable, makes it more portable.

can according to actual needs, above-mentioned myopia prevention dressing table be made further optimization and/or improvements:

as shown in accompanying drawing 1,2, object lens 3 and eyepiece 4 are thin slice plane mirror.Can avoid like this because eyeglass is blocked up, making light to produce refraction in imaging process and cause imaging to produce ghost image, can make imaging clearer.According to demand, object lens 3 and eyepiece 4 can also adopt existing known surface coating plane mirror technology, can make like this it not be subject to thickness limits, and can not produce ghost image equally.

as shown in accompanying drawing 1,2, connecting rod comprises transversal stretching bar 5 and longitudinal extension bar 6, the middle part of the bottom of longitudinal extension bar 6 and base 1 is fixedly installed togather, the upper end of the right-hand member of transversal stretching bar 5 and longitudinal extension bar 6 is fixed together, and left end and the lens frame of transversal stretching bar 5 are hinged.According to demand, transversal stretching bar 5 and longitudinal extension bar 6 all can adopt existing known technology.

according to demand, connecting rod also can be metal sizing flexible pipe.Metal sizing flexible pipe can bend and sizing in arbitrarily angled realization, thereby realizes the transverse and longitudinal adjustment of lens frame 2, makes it in use can keep base 1 motionless, and during by adjusting connecting rod, object lens 3 and eyepiece 4 are to suitable position, convenient and strength-saving.

as shown in accompanying drawing 1,2, the angle between object lens 3 and horizontal line is the first angle α, and the first angle α is 0 degree to 60 degree; Angle between eyepiece 4 and horizontal line is the second angle β, and the second angle β is 0 degree to 45 degree; Angle between object lens 3 and eyepiece 4 is the 3rd angle γ, and the 3rd angle γ is greater than 0 degree and is not more than 60 degree.When object lens 3 and eyepiece 4 are the angle within the scope of this, especially when the first angle α be 45 degree, the second angle β is 20 while spending, and its imaging effect is best, and the most applicable those who read and write uses.

above technical characterictic has formed most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, meets the demand of different situations.

Claims

1. a myopia prevention dressing table, it is characterized in that comprising base, connecting rod, lens frame, object lens and eyepiece, on base, be installed with connecting rod, the top left end of connecting rod and the right part of lens frame are hinged, the left part of lens frame is hinged with eyepiece, and the right part of lens frame is hinged with object lens.

2. myopia prevention dressing table according to claim 1, is characterized in that object lens and eyepiece are thin slice plane mirror.

3. myopia prevention dressing table according to claim 1 and 2, it is characterized in that connecting rod comprises transversal stretching bar and longitudinal extension bar, the bottom of longitudinal extension bar and the middle part of base are fixedly installed togather, the upper end of the right-hand member of transversal stretching bar and longitudinal extension bar is fixed together, and left end and the lens frame of transversal stretching bar are hinged.

4. myopia prevention dressing table according to claim 1 and 2, is characterized in that connecting rod is metal sizing flexible pipe.

5. myopia prevention dressing table according to claim 1 and 2, is characterized in that the angle between object lens and horizontal line is the first angle, and the first angle is 0 degree to 60 degree; Angle between eyepiece and horizontal line is the second angle, and the second angle is 0 degree to 45 degree; Angle between object lens and eyepiece is the 3rd angle, and the 3rd angle is greater than 0 degree and is not more than 60 degree.

6. myopia prevention dressing table according to claim 3, is characterized in that the angle between object lens and horizontal line is the first angle, and the first angle is 0 degree to 60 degree; Angle between eyepiece and horizontal line is the second angle, and the second angle is 0 degree to 45 degree; Angle between object lens and eyepiece is the 3rd angle, and the 3rd angle is greater than 0 degree and is not more than 60 degree.

7. myopia prevention dressing table according to claim 4, is characterized in that the angle between object lens and horizontal line is the first angle, and the first angle is 0 degree to 60 degree; Angle between eyepiece and horizontal line is the second angle, and the second angle is 0 degree to 45 degree; Angle between object lens and eyepiece is the 3rd angle, and the 3rd angle is greater than 0 degree and is not more than 60 degree.