CN212302140U - Adjustable lens driving device of myopia prevention and control glasses - Google Patents

Abstract

The utility model discloses a debugging lens driving device of myopia prevention and control glasses, which comprises a glasses body mounting shell, wherein the inner cavity of the glasses body mounting shell is internally provided with a driving device, the driving device comprises a driving motor, a driving shaft, a gear, an upper rack and a lower rack, the driving shaft is movably connected with the inner cavity wall of the glasses body mounting shell through a bearing, and the driving shaft is connected with an output shaft of the driving motor through transmission bevel gear transmission, the debugging lens of the myopia prevention and control glasses of the utility model can realize the movement of mutual separation or mutual approach of inner lenses below two mounting blocks through the installation of the driving device, thereby realizing the driving of the inner lenses, the whole driving structure is reasonable, is convenient to adjust and control, can realize the horizontal movement adjustment work of the inner lenses at the horizontal position, and further improves the adjustability of the myopia prevention and control glasses, has good practicability, so as to be convenient for popularization and use.

Description

Adjustable lens driving device of myopia prevention and control glasses

Technical Field

The utility model relates to a myopia prevention and control glasses technical field specifically is a myopia prevention and control glasses's adjustable lens drive arrangement.

Background

When the eyes look close, the eyes must be adjusted to see clearly. The closer the look, the greater the adjustment needed. So if an object or book is too close to the eye, less than 33 cm (one market size), and in some cases even less than 15 cm, the eye will be highly accommodated and the ciliary muscles will be highly contracted. Over time, the accommodation of the eye becomes abnormally tense unknowingly, the ciliary muscle is in a state of contraction spasm for a long time, and finally the accommodation is lost, the distant vision declines, and the eye looks exactly like a myopic eye in appearance, but the ciliary muscle paralysis agent can relieve the myopia, which is called as 'pseudomyopia' (accommodation spastic myopia) in medicine.

Therefore, when pseudomyopia appears in human eyes, the eyes need to be corrected, so the myopia prevention and control glasses are more and more popular, the lenses in the myopia prevention and control glasses mainly comprise inner and outer double lenses, the distance between the two lenses needs to be debugged manually between the two existing lenses, the whole operation is complex, the manual control is inaccurate, the fixing effect is not good, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the lens among the myopia prevention and control glasses of prior art and be not convenient for adjust, and defect such as complex manual operation provides a myopia prevention and control glasses's adjustable lens drive arrangement. The adjustable lens driving device of the myopia prevention and control glasses has the advantages that the lenses in the myopia prevention and control glasses are convenient to adjust, convenient and fast to operate, reliable and the like.

In order to achieve the above object, the utility model provides a following technical scheme: a debugging lens driving device of myopia prevention and control glasses comprises a glasses body installation shell, wherein a driving device is installed in an inner cavity of the glasses body installation shell, the driving device comprises a driving motor, a driving shaft, a gear, an upper rack and a lower rack, the driving shaft is movably connected with the inner cavity wall of the glasses body installation shell through a bearing, the driving shaft is connected with an output shaft of the driving motor through transmission bevel gear transmission, the outer wall of the driving shaft is fixedly provided with the gear, the upper portion of the gear is meshed with the upper rack, the lower portion of the gear is meshed with the lower rack, a cross rod is fixedly installed on the outer wall of one side, away from the gear, of the upper rack and the lower rack, the tail end of the cross rod is fixedly provided with an installation block, the bottom of the inner cavity of the glasses body installation shell is provided with a through hole, the bottom end of the installation block penetrates through hole and is fixedly connected with an inner, the top of the outer lens is fixedly connected with the outer wall of the bottom of the lens body mounting shell.

Preferably, the side wall of the mounting block is fixedly provided with a guide rod, the outer wall of the guide rod is movably connected with a guide sleeve, and the guide sleeve is fixedly arranged in the inner cavity of the mirror body mounting shell.

Preferably, a nose pad is arranged between the two outer lenses and is arranged on the outer wall of the bottom of the lens body installation shell.

Preferably, the outer wall of the cross rod is symmetrically provided with sliding blocks, and the sliding blocks are movably connected with the inner wall of the mirror body installation shell.

Preferably, the tail end of the guide rod is fixedly provided with a limiting block, and the guide rod and the limiting block are integrally arranged in a T shape.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a myopia prevention and control glasses's adjustable lens passes through drive arrangement's installation, can realize that the interior lens of two installation piece belows is the motion of keeping away from each other or being close to each other, and then has realized the drive of internal lens, and holistic drive structure sets up rationally, is convenient for adjust and control, can realize interior lens and adjust work at horizontal position's lateral shifting, and then has improved this myopia prevention and control glasses's adjustability, has fine practicality to in order to use widely.

Drawings

FIG. 1 is an internal structural view of the present invention;

fig. 2 is a schematic diagram of the external structure of the present invention.

Reference numbers in the figures: 1. a mirror body mounting case; 2. a drive device; 21. a drive motor; 22. a drive shaft; 23. a gear; 24. an upper rack; 25. a lower rack; 26. a cross bar; 27. a slider; 3. mounting blocks; 31. a guide bar; 32. a guide sleeve; 33. a limiting block; 4. an inner lens; 5. an outer lens; 6. a through hole; 7. a nose pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a debugging lens driving device of myopia prevention and control glasses comprises a glasses body installation shell 1, a driving device 2 is installed in an inner cavity of the glasses body installation shell 1, the driving device 2 comprises a driving motor 21, a driving shaft 22, a gear 23, an upper rack 24 and a lower rack 25, the driving motor 21 is electrically connected with a storage battery in the glasses body installation shell 1, the driving shaft 22 is movably connected with the inner cavity wall of the glasses body installation shell 1 through a bearing, the driving shaft 22 is connected with an output shaft of the driving motor 21 through transmission bevel gear transmission, the outer wall of the driving shaft 22 is fixedly provided with the gear 23, the upper rack 24 is meshed above the gear 23, the lower rack 25 is meshed below the gear 23, cross rods 26 are fixedly installed on the outer walls of one sides of the upper rack 24 and the lower rack 25, which are far away from the gear 23, the tail ends of the cross rods 26 are fixedly provided with installation blocks 3, guide rods 31 are fixedly installed on the side walls of, the outer wall of the guide rod 31 is movably connected with a guide sleeve 32, the guide sleeve 32 is fixedly arranged in the inner cavity of the mirror body installation shell 1, the limiting effect on the transverse rod 26 can be realized through the installation of the guide rod 31 and the guide sleeve 32, the left and right movement work of the transverse rod 26 becomes more stable, the tail end of the guide rod 31 is fixedly provided with a limiting block 33, the guide rod 31 and the limiting block 33 are integrally arranged in a T shape, the tail end of the guide rod 31 is installed through the limiting block 33, the guide rod 31 can be prevented from falling off the guide sleeve 32, the bottom of the inner cavity of the mirror body installation shell 1 is provided with a through hole 6, the bottom end of the installation block 3 penetrates through the through hole 6 and is fixedly connected with the inner lens 4, the outer lens 5 is arranged behind the inner lens 4, the top of the outer lens 5 is fixedly connected with the outer wall of the bottom of the mirror body installation shell 1, a nose pad 7 is arranged, convenient to use, slider 27 is installed to the outer wall symmetry of horizontal pole 26, and slider 27 swing joint mirror body installation shell 1's inner wall, and horizontal pole 26 passes through the installation of slider 27, can be fine with the inner wall swing joint of mirror body installation shell 1, the motion stability.

The working principle, the utility model firstly controls the driving motor 21 in the driving device 2 by the power supply and the switch, the rotation of the driving motor 21 can drive the driving shaft 22 and the gear 23 to rotate, the upper gear rack 24 is meshed above the gear 23, the lower gear rack 25 is meshed below the gear 23, and then the upper gear rack 24 and the lower gear rack 25 can be correspondingly driven to move in the horizontal direction, the control of the upper gear rack 24, the lower gear rack 25, the cross bar 26 and the mounting block 3 can be realized by controlling the positive and negative rotation of the driving motor 21, the movement of the inner lens 4 under the two mounting blocks 3 to be far away from or close to each other can be realized, the driving of the inner lens 4 is realized, the whole driving structure is reasonable, the adjustment and the control are convenient, the horizontal movement adjustment work of the inner lens 4 on the outer lens 5 can be realized, the adjustability of the myopia prevention and control glasses is improved, and the myopia prevention and control glasses have good practicability and are convenient to popularize and use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a but debugging lens drive arrangement of myopia prevention and control glasses, includes mirror body installation shell (1), its characterized in that: the endoscope body mounting structure is characterized in that a driving device (2) is installed in an inner cavity of the endoscope body mounting shell (1), the driving device (2) comprises a driving motor (21), a driving shaft (22), a gear (23), an upper rack (24) and a lower rack (25), the driving shaft (22) is movably connected with the inner cavity wall of the endoscope body mounting shell (1) through a bearing, the driving shaft (22) is connected with an output shaft of the driving motor (21) through transmission bevel gear transmission, the gear (23) is fixedly installed on the outer wall of the driving shaft (22), the upper rack (24) is meshed above the gear (23), the lower rack (25) is meshed below the gear (23), a cross rod (26) is fixedly installed on the outer wall of one side, far away from the gear (23), of the upper rack (24) and the lower rack (25), a mounting block (3) is fixedly installed at the tail end of the cross rod (26), a through hole (6) is formed in the bottom of the inner cavity of the endoscope, the bottom of installation piece (3) passes through-hole (6) and fixed connection interior lens (4), the rear of interior lens (4) is provided with outer lens (5), the bottom outer wall of the top fixed connection mirror body installation shell (1) of outer lens (5).

2. A tunable lens drive for myopia prevention and control glasses according to claim 1, wherein: the side wall of the mounting block (3) is fixedly provided with a guide rod (31), the outer wall of the guide rod (31) is movably connected with a guide sleeve (32), and the guide sleeve (32) is fixedly arranged in the inner cavity of the mirror body mounting shell (1).

3. A tunable lens drive for myopia prevention and control glasses according to claim 1, wherein: a nose pad (7) is arranged between the two outer lenses (5), and the nose pad (7) is arranged on the outer wall of the bottom of the lens body installation shell (1).

4. A tunable lens drive for myopia prevention and control glasses according to claim 1, wherein: the outer wall symmetry of horizontal pole (26) is installed slider (27), slider (27) swing joint mirror body installation shell's (1) inner wall.

5. A tunable lens drive for myopia prevention and control glasses according to claim 2, wherein: the tail end of the guide rod (31) is fixedly provided with a limiting block (33), and the guide rod (31) and the limiting block (33) are integrally arranged in a T shape.

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