Light adjusting device of vision improvement training instrument

Abstract

The utility model relates to light adjusting equipment, in particular to a light adjusting device for a vision improvement training instrument. Comprising a training instrument, a light adjusting mechanism, a transmission shaft, a power conveying mechanism, adjusting shafts and a light softening mechanism, and an operator rotates the adjusting shafts installed on the two sides of the training instrument to change the opening and closing angle of the light adjusting mechanism through the power conveying mechanism; and the light softening mechanism can be adjusted by reversely rotating the adjusting shaft to ensure that the eyesight of the trainee is not damaged by light. Light adjustment of the training instrument is realized through simple structural design, different adjustment operations can be realized by adopting a single-knob multidirectional rotation mode, the practicability of the equipment is effectively improved, and popularization and use of the equipment are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model light adjusting device relates to vision training instrument's light adjusting device. BACKGROUND

[0002] Vision training instrument is through training eye ball inside and outside rotation ability to exercise eye muscle, make two eye sight axis ceaseless movement to train three kinds of muscles of dominant vision - ciliary muscle, extraocular muscle, iris muscle, through synergic exercise to relieve the above muscle's paralysis stiff state, make it strong and flexible, thereby improve the regulation ability of eye muscle, finally reach object clear imaging on retina, play the purpose of recovering vision one kind of medical instrument. In the use process, with the instrument is in sealed state, need from inside adding light source to make up light, because the light column brightness change is controlled by electric current, but low brightness will strengthen the frequency of stroboscopic, directly influence training effect, at the same time, light source direct radiation can cause adverse effect on vision recovery. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a simple structure, can change light source intensity and light source softness without changing electric current size light adjusting device.

[0004] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] The utility model discloses a technical scheme: including training instrument, light adjustment mechanism, transmission shaft, power transmission mechanism, adjusting shaft and light softening mechanism, the training instrument includes installation warehouse and the lamp plate of being placed in installation warehouse, the light adjustment mechanism includes the light shield of being placed in the both sides of lamp column, the light shield evenly arranges to the below of lamp plate, two groups of rotatory plates are equipped between any adjacent two groups of light shield, the rotatory plate is symmetrically set up, the rotatory plate outer side rotatory connection has the connecting block, the connecting block end fixedly connected in the inside of adjacent two groups of light shield, the both sides of the light shield of arrangement are equipped with transmission shaft, the transmission shaft end is equipped with power transmission mechanism, the outside of power transmission mechanism is equipped with adjusting shaft, the below of rotatory plate is equipped with light softening mechanism.

[0006] As the preferred of the utility model, all evenly arranged light shield top fixed connection front fixed plate is equipped, the both sides of front fixed plate top are equipped with rotatory connecting block, two groups of guide rods are fixedly connected in the side of two groups of rotatory plates equipped between adjacent light shield, the guide rod is placed in the both sides of the symmetry axis of two groups of rotatory plates, the below of front fixed plate is equipped with displacement rod, the displacement rod is evenly equipped with sliding groove, the guide rod is placed in sliding groove, the rotatory connecting block rotatory connection has the rotatory screw rod end, the rotatory screw rod is through in the both sides of displacement rod, the rotatory screw rod rotatory connection is in displacement rod.

[0007] As the preferred of the utility model, the transmission shaft includes the first rotation gear fixedly connected to the middle part of the rotation screw rod, the first rotation gear is placed above the displacement rod, the side of the first rotation gear is equipped with the extension worm, the first rotation gear is engaged in the extension worm, a plurality of connecting plates are rotationally connected to the middle part of the extension worm, and the connecting plates are fixedly connected to the bottom of the lamp plate.

[0008] As the preferred of the utility model, the power transmission mechanism includes the second rotation gear fixedly connected to the end of the extension worm, the side of the second rotation gear is engaged with the sliding rack, the bottom of the lamp plate is equipped with the third sliding rod perpendicular to the lamp plate bottom plane, the third sliding rod penetrates the long side of the sliding rack, the sliding rack is slidingly connected to the third sliding rod, the side of the sliding rack is equipped with a plurality of rack connecting blocks, the rack connecting blocks are fixedly connected to the side of the second U-shaped toothed sliding bar, the second sliding rod penetrates the long rod at the two sides of the second U-shaped toothed sliding bar, the second U-shaped toothed sliding bar is slidingly connected to the second sliding rod, the second sliding rod is vertically placed and fixedly connected to the lamp plate bottom plane, and the opposite racks of the second U-shaped toothed sliding bar are equipped with the long rod sector gear.

[0009] As the preferred of the utility model, the long rod sector gear is equipped with the first bevel gear at the end, the first bevel gear is engaged with the second bevel gear with the rotation axis perpendicular to each other, the second bevel gear is equipped with the first triangular annular groove in the bowl, the second bevel gear is equipped with the second directional rotary disc in the bowl mouth, the surface of the second directional rotary disc is equipped with a plurality of second magnetic rotary triangular blocks, the second directional rotary disc is fixedly connected to the end of the rotary power rod at the center, the rotary power rod penetrates the bowl mouth center of the bowl sector gear at the middle part, the sector gear of the bowl sector gear is engaged with the rack of the first U-shaped toothed sliding bar, the opposite racks of the first U-shaped toothed sliding bar are connected with the first sliding rod, the first sliding rod is perpendicular to the lamp plate bottom plane and is fixedly connected to the ground plane of the lamp plate, and the middle part of the rotary power rod is also equipped with the directional rotary disc.

[0010] As the preferred of the utility model, the bowl mouth inner wall of the bowl sector gear is equipped with the first triangular annular groove, the outer diameter of the directional rotary disc is uniformly equipped with a plurality of first magnetic rotary triangular blocks rotationally connected, the top end of the first magnetic rotary triangular block is attached to the first triangular annular groove of the bowl sector gear, the second magnetic rotary triangular block is buckled into the triangular annular groove of the second bevel gear, and the top end of the second magnetic rotary triangular block is attached to the second triangular annular groove of the second bevel gear.

[0011] As the preferred of the utility model, the adjusting shaft includes the second pulley placed below the first pulley, the second pulley is equipped with the conveying belt between the first pulley, the second pulley rotating center is fixedly connected to one side of the twist lever, the other side of the twist lever is equipped with the twist block, the twist lever passes through the installation bin and is rotatably connected to the installation bin.

[0012] As the preferred of the utility model, the light softening mechanism includes the connecting fixed block fixedly connected to the bottom of the first U-shaped toothed sliding bar, the connecting fixed block end is fixedly connected to the side of the atomizing plate, both ends of the two groups of sides of the atomizing plate are equipped with the sliding connecting block, the fourth sliding rod is connected in the middle of the sliding connecting block, the top of the fourth sliding rod is fixedly connected to the bottom plane of the lamp plate.

[0013] The utility model has the advantages of:

[0014] The utility model discloses a kind of light adjusting device, specific operation steps are as follows:

[0015] The operator rotates the twist block installed on the both sides of the upper end of training instrument, and then drives the second pulley on the twist lever to rotate the first pulley by conveying belt, the first pulley drives rotating power lever to rotate, in the rotating power lever rotating process, since the first directional rotating disc on rotating power lever is equipped with several first magnetic rotating triangular blocks, and directional rotating disc is placed in the bowl mouth of buckle bowl sector gear, it is caused to be magnetically attached to first triangular annular groove by first magnetic rotating triangular block, since the triangle of first triangular annular groove is acute triangle, then first directional rotating disc has the effect of unidirectional rotation to buckle bowl sector gear, when rotating in positive direction, buckle bowl sector gear drives the first magnetic rotating triangular block on first directional rotating disc to expand outward, i.e. buckle bowl sector gear can be driven to rotate by first directional rotating disc, when rotating in reverse direction, buckle bowl sector gear drives the magnetic rotating triangular block on directional rotating disc to converge inward, then buckle bowl sector gear cannot be driven to rotate by first directional rotating disc, and second directional rotating disc applies the same principle to second directional rotating disc, and the driving direction is opposite to first directional rotating disc.

[0016] When rotating power lever rotates in positive direction, the sector gear on buckle bowl sector gear meshes with the displacement of first U-shaped toothed sliding bar, and then pushes the up and down displacement of connecting fixed block, connecting fixed block drives atomizing plate to displace along the axis direction of fourth sliding rod, realizes that the atomizing plate that slides on sliding connecting block adjusts the linear distance to lamp plate, realizes the atomizing effect to light source, atomizing plate and lamp plate are closer, and atomizing effect is weaker, otherwise is stronger.

[0017] When the rotating power rod reversely rotates, the end drives the second directional rotating disc to rotate, the second directional rotating disc drives the second bevel gear to rotate the first bevel gear, and then rotates the long rod sector gear, when the long rod sector gear rotates, it drives the second U-shaped toothed sliding bar to move up and down to push the sliding rack fixedly connected to the second U-shaped toothed sliding bar, and continues to drive the second rotating gear to rotate, when the second rotating gear rotates, the worm of the extended worm at the end drives the first rotating gear to rotate, the first rotating gear continues to push the rotating screw rod to displace the displacement rod, the groove on the displacement rod drives the guide rod to rotate the rotating plate to be inclined, the gap between the two rotating plates is enlarged, and then the light source brightness is changed.

[0018] The device adopts simple structure to realize the light source brightness adjustment and soft adjustment of the lamp panel, especially avoids the flicker effect caused by current variation of the light source, effectively improves the applicability of the device, and is favorable for popularization and use of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the training instrument of the utility model;

[0020] Figure 2 It is a three-dimensional structure schematic view of the installation bin of the utility model;

[0021] Figure 3 It is a three-dimensional structure schematic view of the component installation position of the utility model;

[0022] Figure 4 It is a three-dimensional structure schematic view of the light adjustment mechanism of the utility model;

[0023] Figure 5 It is a three-dimensional structure schematic view of the transmission shaft part mechanism of the utility model;

[0024] Figure 6 It is a three-dimensional structure schematic view of the power transmission mechanism of the utility model;

[0025] Figure 7 It is a three-dimensional structure schematic view of the second power transmission mechanism of the utility model;

[0026] Figure 8 It is a three-dimensional structure schematic view of the power transmission mechanism part of the utility model;

[0027] Figure 9 It is a three-dimensional structure schematic view of the second view angle of the power transmission mechanism of the utility model;

[0028] Figure 10 It is a three-dimensional structure schematic view of the adjusting shaft part of the utility model;

[0029] Figure 11 It is a three-dimensional structure schematic view of the light softening mechanism part of the utility model;

[0030] Fig. 1 is a training instrument; 11 is a mounting bin; 12 is a lamp plate; 2 is a light adjustment mechanism; 21 is a light shield plate; 22 is a rotating plate; 23 is a connecting block; 24 is a sliding groove; 25 is a guide rod; 26 is a displacement rod; 27 is a front fixed plate; 28 is a rotating connecting block; 29 is a rotating threaded rod; 3 is a transmission shaft; 31 is a first rotating gear; 32 is an extension worm; 33 is a connecting plate; 4 is a power transmission mechanism; 41 is a first sliding rod; 42 is a second sliding rod; 43 is a third sliding rod; 44 is a first U-shaped toothed sliding bar; 45 is a second U-shaped toothed sliding bar; 46 is a sliding rack; 47 is a rack connecting block; 48 is a second rotating gear; 49 is a long rod sector gear; 410 is a first bevel gear; 411 is a clamping bowl second bevel gear; 4111 is a first triangular ring groove; 412 is a clamping bowl sector gear; 4121 is a second triangular ring groove; 413 is a rotating power rod; 414 is a first directional rotating disc; 4141 is a first magnetic rotating triangular block; 416 is a first belt pulley; 417 is a second directional rotating disc; 4171 is a second magnetic rotating triangular block; 5 is an adjusting shaft; 51 is a conveying belt; 52 is a second belt pulley; 53 is a twisting rod; 54 is a twisting block; 6 is a light softening mechanism; 61 is a connecting fixed block; 62 is an atomizing plate; 63 is a fourth sliding rod; 64 is a sliding connecting block. DETAILED DESCRIPTION

[0031] Reference herein to an example means that a particular feature, structure, or characteristic described in connection with the example can be included in at least one example of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same example, nor are they necessarily mutually exclusive of other examples. As one skilled in the art will readily appreciate, the examples described herein can be combined with yet other examples.

[0032] The specific embodiments of the application will be described below with reference to the drawings. Figures 1-11 The specific embodiments of the application will be described below with reference to the drawings. A vision training instrument 1 light adjustment device, comprising a training instrument 1, a light adjustment mechanism 2, a transmission shaft 3, a power transmission mechanism 4, an adjusting shaft 5, and a light softening mechanism 6, the training instrument 1 comprises a mounting bin 11, and a lamp plate 12 placed in the mounting bin 11, the light adjustment mechanism 2 comprises light shield plates 21 placed on both sides of the lamp column of the lamp plate 12, the light shield plates 21 are uniformly arranged below the lamp plate 12, two groups of rotating plates 22 are arranged between any two adjacent groups of light shield plates 21, the rotating plates 22 are symmetrically arranged, the outer side of the rotating plate 22 is rotatably connected with a connecting block 23, the end of the connecting block 23 is fixedly connected to the inner side of the two adjacent groups of light shield plates 21, the transmission shaft 3 is arranged on both sides of the arranged light shield plates 21, the end of the transmission shaft 3 is provided with the power transmission mechanism 4, the outer side of the power transmission mechanism 4 is provided with the adjusting shaft 5, and the lower side of the rotating plate 22 is provided with the light softening mechanism 6.

[0033] In the specific operation, the light adjustment mechanism 2 blocks the light of the lamp panel 12, and the power transmission mechanism 4 controls the opening angle and distance of the light softening mechanism 6 through the forward and reverse rotation of the transmission shaft 3, so as to realize the light adjustment of the light of the lamp panel 12 of the training instrument 1.

[0034] Beneficially, all the light blocking plates 21 are fixedly connected to the front fixed plate 27 at the top end, and the two sides of the top end of the front fixed plate 27 are provided with rotating connecting blocks 28. The two groups of rotating plates 22 arranged between adjacent light blocking plates 21 are fixedly connected to two groups of guide rods 25 at the side, the guide rods 25 are placed on both sides of the symmetry axis of the two groups of rotating plates 22, the displacement rods 26 are arranged below the front fixed plate 27, the displacement rods 26 are uniformly provided with sliding grooves 24, the guide rods 25 are placed in the sliding grooves 24, and the rotating connecting blocks 28 are rotatably connected to the ends of the rotating threaded rods 29. The rotating threaded rods 29 penetrate through both sides of the displacement rods 26, and the rotating threaded rods 29 are rotatably connected to the displacement rods 26.

[0035] In the implementation, the rotating plates 22 are driven to rotate with the displacement rods 26 by pulling the displacement rods 26, the gap between the two adjacent groups of rotating plates 22 is enlarged, and the brightness of the lamp panel 12 is adjusted.

[0036] Preferably, the transmission shaft 3 includes a first rotating gear 31 fixedly connected to the middle part of the rotating threaded rod 29, the first rotating gear 31 is placed above the displacement rod 26, the first rotating gear 31 is provided with an extension worm 32 at the side, the first rotating gear 31 is engaged with the extension worm 32, a plurality of connecting plates 33 are rotatably connected to the middle part of the extension worm 32, and the connecting plates 33 are fixedly connected to the bottom of the lamp panel 12.

[0037] In the implementation, the rotating threaded rod 29 is moved to displace the displacement rod 26.

[0038] Further, the power transmission mechanism 4 comprises a second rotating gear 48 fixedly connected to the end of the extension worm 32, the second rotating gear 48 is meshed with the sliding rack 46 on the side, the bottom of the lamp plate 12 is provided with a third sliding rod 43 perpendicular to the bottom plane of the lamp plate 12, the third sliding rod 43 penetrates the long side of the sliding rack 46, the sliding rack 46 is slidingly connected to the third sliding rod 43, the sliding rack 46 is provided with a plurality of rack connecting blocks 4723 on the side, the rack connecting blocks 4723 are fixedly connected to the side of the second U-shaped toothed sliding bar, the second U-shaped toothed sliding bar is provided with a second sliding rod 42 penetrating the long rod at both sides, the second U-shaped toothed sliding bar is slidingly connected to the second sliding rod 42, the second sliding rod 42 is vertically placed and fixedly connected to the bottom plane of the lamp plate 12, the opposite teeth of the second U-shaped toothed sliding bar are provided with a long rod sector gear 49, the long rod sector gear 49 is provided with a first sliding rod 41 in the middle, the first sliding rod 41 is fixedly connected to the bottom plane of the lamp plate 12, the long rod sector gear 49 is provided with a first bevel gear 410 at the end, the first bevel gear 410 is meshed with a second bevel gear 411 whose rotating axes are perpendicular to each other, the second bevel gear 411 is provided with a first triangular annular groove 4111 inside, the second bevel gear 411 is provided with a second directional rotating disc 417 in the bowl opening, the surface of the second directional rotating disc 417 is provided with a plurality of second magnetic rotating triangular blocks 4171, the second directional rotating disc 417 is fixedly connected to the end of a rotating power rod 413 at the center, the rotating power rod 413 penetrates the center of the bowl opening of a bowl-shaped sector gear 412 in the middle, the sector gear of the bowl-shaped sector gear 412 is meshed with the rack provided by the first U-shaped toothed sliding bar, the opposite teeth of the first U-shaped toothed sliding bar are connected with the first sliding rod 41 penetrating and connecting, the first sliding rod 41 is perpendicular to the bottom plane of the lamp plate 12 and is fixedly connected to the ground plane of the lamp plate 12, the rotating power rod 413 is further provided with a directional rotating disc in the middle, the directional rotating disc is buckled into the bowl opening of the bowl-shaped sector gear 412, the end of the rotating power rod 413 is provided with a first belt pulley 416, the inner wall of the bowl opening provided by the bowl-shaped sector gear 412 is provided with a first triangular annular groove 4111, the outer diameter of the directional rotating disc is uniformly provided with a plurality of first magnetic rotating triangular blocks 4141 connected in rotation, the top end of the first magnetic rotating triangular blocks 4141 abuts the first triangular annular groove 4111 of the bowl-shaped sector gear 412, the second magnetic rotating triangular blocks 4171 are buckled into the triangular annular groove of the second bevel gear 411, and the top end of the second magnetic rotating triangular blocks 4171 abuts the second triangular annular groove 4121 of the second bevel gear 411.

[0039] In the implementation, through the above-mentioned position installation mode, the forward and reverse control adjustment shaft 5 can be adjusted after the different mechanisms are adjusted, and the operation process is simplified.

[0040] Beneficially, the adjusting shaft 5 comprises a second pulley 52 placed below the first pulley 416, and a transmission belt 51 is arranged between the first pulley 416 and the second pulley 52, and the rotation center of the second pulley 52 is fixedly connected to one side of a torsion rod 53, and the other side of the torsion rod 53 is provided with a torsion block 54, and the torsion rod 53 passes through the installation bin 11 and is rotationally connected to the installation bin 11.

[0041] In implementation, the internal mechanism is controlled from the outside of the training instrument 1, and the power source is increased.

[0042] Preferably, the light softening mechanism 6 comprises a connecting fixed block 61 fixedly connected to the bottom of the first U-shaped toothed sliding bar, and the connecting fixed block 61 is fixedly connected to the side edge of the atomizing plate 62, and the two ends of the two side edges of the atomizing plate 62 are provided with sliding connecting blocks 64, and the fourth sliding rod 63 is connected to the middle of the sliding connecting block 64, and the top end of the fourth sliding rod 63 is fixedly connected to the bottom plane of the lamp plate 12.

[0043] In the implementation process, the atomization effect of the light source is realized by adjusting the linear distance of the lamp plate 12, and the closer the atomizing plate 62 and the lamp plate 12, the weaker the atomization effect, and vice versa.

[0044] The utility model discloses a working principle: the operator rotates the torsion block 54 installed on both sides of the upper end of the training instrument 1, and then drives the second pulley 52 on the torsion rod 53 to rotate the first pulley 416 through the transmission belt 51, and the first pulley 416 drives the rotating power rod 413 to rotate, and in the rotating process of the rotating power rod 413, the first directional rotating disc 414 on the rotating power rod 413 is provided with a plurality of first magnetic rotating triangular blocks 4141, and the directional rotating disc is placed in the bowl opening of the clamping bowl sector gear 412, so that the first magnetic rotating triangular blocks 4141 are magnetically attached to the first triangular annular groove 4111, and the first directional rotating disc 414 has the effect of one-way rotation on the clamping bowl sector gear 412, and when rotating forward, the clamping bowl sector gear 412 drives the first magnetic rotating triangular blocks 4141 on the first directional rotating disc 414 to expand outward, so that the first directional rotating disc 414 can drive the clamping bowl sector gear 412 to rotate, and when rotating reversely, the clamping bowl sector gear 412 drives the magnetic rotating triangular blocks on the directional rotating disc to converge inward, so that the first directional rotating disc 414 cannot drive the clamping bowl sector gear 412 to rotate, and the clamping bowl second bevel gear 411 applies the same principle to the second directional rotating disc 417 and drives the direction opposite to the first directional rotating disc 414.

[0045] When the rotating power rod 413 rotates forward, the sector gear on the buckle bowl sector gear 412 meshes with the first U-shaped toothed sliding bar displacement, thereby pushing the connecting fixed block 61 to move up and down, the connecting fixed block 61 drives the atomizing plate 62 to move along the fourth sliding rod 63 axis direction, the atomizing plate 62 connected to the sliding connecting block 64 adjusts the linear distance to the lamp plate 12 to achieve the atomization effect of the light source, the closer the atomizing plate 62 and the lamp plate 12, the weaker the atomization effect, and vice versa.

[0046] When the rotating power rod 413 rotates reversely, the end drives the second directional rotating disc 417 to rotate, the second directional rotating disc 417 drives the buckle bowl second bevel gear 411 to rotate the first bevel gear 410, thereby rotating the long rod sector gear 49, when the long rod sector gear 49 rotates, it drives the second U-shaped toothed sliding bar to move up and down, thereby pushing the sliding rack 46 fixedly connected to the second U-shaped toothed sliding bar, and further drives the second rotating gear 48 to rotate, when the second rotating gear 48 rotates, the end of the extension worm 32 drives the first rotating gear 31 to rotate, the first rotating gear 31 continues to push the rotating screw rod 29 to displace the displacement rod 26, the groove on the displacement rod 26 drives the guide rod 25 to rotate the rotating plate 22, thereby expanding the gap between the two groups of rotating plates 22 and changing the light source brightness.

[0047] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes in the embodiments can be made by those skilled in the art without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A light adjustment device for a vision improvement training instrument, characterized in that: The utility model provides a kind of light training device, including training instrument (1), light adjustment mechanism (2), transmission shaft (3), power transmission mechanism (4), adjusting shaft (5) and light softening mechanism (6), the training instrument (1) includes installation warehouse (11), and the light board (12) placed in installation warehouse (11), the light adjustment mechanism (2) includes the light barrier (21) placed in the lamp post both sides of light board (12), the light barrier (21) is evenly arranged to the below of light board (12), two groups of rotating plate (22) are equipped between any adjacent two groups of light barrier (21), the rotating plate (22) is symmetrically arranged, the connecting block (23) is rotatably connected outside the rotating plate (22), the connecting block (23) end is fixedly connected in the inner side of adjacent two groups of light barrier (21), the two sides of the arranged light barrier (21) are equipped with transmission shaft (3), the transmission shaft (3) end is equipped with power transmission mechanism (4), the power transmission mechanism (4) outside is equipped with adjusting shaft (5), the below of rotating plate (22) is equipped with light softening mechanism (6);The top of all evenly arranged light barrier (21) is fixedly connected front fixed plate (27), the both sides of the top of front fixed plate (27) are equipped with rotating connecting block (28), the two groups of rotating plate (22) side fixedly connected with two groups of guide rod (25) are equipped between adjacent light barrier (21), the guide rod (25) is placed in the symmetry axis both sides of two groups of rotating plate (22), the below of front fixed plate (27) is equipped with displacement rod (26), the displacement rod (26) is evenly equipped with sliding groove (24), the guide rod (25) is placed in sliding groove (24), the rotating connecting block (28) is rotatably connected with rotating screw rod (29) end, the rotating screw rod (29) penetrates in the both sides of displacement rod (26), and the rotating screw rod (29) is rotatably connected in displacement rod (26).

2. The light adjusting device of the vision training instrument according to claim 1, wherein: The transmission shaft (3) includes first rotating gear (31) fixedly connected in the middle part of rotating screw rod (29), the first rotating gear (31) is placed in the above of displacement rod (26), the first rotating gear (31) side is equipped with extension worm (32), the first rotating gear (31) is engaged in extension worm (32), the middle part of extension worm (32) is rotatably connected with several connecting plates (33), and the connecting plate (33) is fixedly connected in the bottom of light board (12).

3. The light adjusting device of the vision training instrument according to claim 1, wherein: The power transmission mechanism (4) includes a second rotary gear (48) fixedly connected to the end of the extension worm (32), the second rotary gear (48) is meshed with a sliding rack (46) on the side, the bottom of the lamp plate (12) is provided with a third sliding rod (43) perpendicular to the bottom plane of the lamp plate (12), the third sliding rod (43) penetrates the long edge of the sliding rack (46), the sliding rack (46) is slidingly connected to the third sliding rod (43), the sliding rack (46) is provided with a plurality of rack connecting blocks (47) (23) on the side, the rack connecting blocks (47) (23) are fixedly connected to the side of the second U-shaped toothed sliding bar, the second U-shaped toothed sliding bar is provided with a second sliding rod (42) penetrating the long rod at both sides, the second U-shaped toothed sliding bar is slidingly connected to the second sliding rod (42), the second sliding rod (42) is vertically placed and fixedly connected to the bottom plane of the lamp plate (12), the opposite racks of the second U-shaped toothed sliding bar are provided with a long rod sector gear (49), the long rod sector gear (49) is provided with a first sliding rod (41) in the middle, and the first sliding rod (41) is fixedly connected to the bottom plane of the lamp plate (12).

4. The light adjusting device of the vision training instrument according to claim 3, wherein: The long rod sector gear (49) is provided with a first bevel gear (410) at the end, the first bevel gear (410) is meshed with a second bevel gear (411) with rotary axes perpendicular to each other, the second bevel gear (411) is provided with a first triangular ring groove (4111) in the inner, the second bevel gear (411) is provided with a second directional rotary disc (417) in the bowl opening, the surface of the second directional rotary disc (417) is provided with a plurality of second magnetic rotary triangular blocks (4171), the second directional rotary disc (417) is fixedly connected to the end of the rotary power rod (413) at the center, the rotary power rod (413) penetrates the bowl opening center of the bowl-shaped sector gear (412) in the middle, the bowl-shaped sector gear (412) is meshed with the rack provided on the first U-shaped toothed sliding bar at the sector gear, the first U-shaped toothed sliding bar is provided with a first sliding rod (41) penetrating and connecting the racks opposite at both sides, the first sliding rod (41) is perpendicular to the bottom plane of the lamp plate (12) and is fixedly connected to the ground plane of the lamp plate (12), the rotary power rod (413) is further provided with a directional rotary disc in the middle, the directional rotary disc is buckled into the bowl opening of the bowl-shaped sector gear (412), and the rotary power rod (413) is provided with a first belt pulley (416) at the end.

5. The light adjusting device of the vision training instrument according to claim 4, wherein: The first triangular annular groove (4111) is arranged on the inner wall of the bowl mouth of the buckle bowl sector gear (412), the first magnetic rotation triangular block (4141) is arranged on the outer diameter of the directional rotation disc, the top end of the first magnetic rotation triangular block (4141) is attached to the first triangular annular groove (4111) of the buckle bowl sector gear (412), the second magnetic rotation triangular block (4171) is buckled into the triangular annular groove of the buckle bowl second bevel gear (411), and the top end of the second magnetic rotation triangular block (4171) is attached to the second triangular annular groove (4121) of the buckle bowl second bevel gear (411).

6. The light adjusting device of the vision training instrument according to claim 1, wherein: The adjusting shaft (5) comprises a second pulley (52) arranged below the first pulley (416), a transmission belt (51) is arranged between the second pulley (52) and the first pulley (416), the rotation center of the second pulley (52) is fixedly connected to one side of a twisting rod (53), the other side of the twisting rod (53) is provided with a twisting block (54), the twisting rod (53) penetrates through the mounting bin (11) and is rotationally connected to the mounting bin (11).

7. The light adjusting device of the vision training instrument according to claim 5, characterized in that: The light line softening mechanism (6) comprises a connecting fixed block (61) fixedly connected to the bottom of the first U-shaped toothed sliding bar, the connecting fixed block (61) is fixedly connected to the side edge of the atomization plate (62), two groups of side edges of the atomization plate (62) are provided with sliding connecting blocks (64) at both ends, the fourth sliding rod (63) is connected to the middle part of the sliding connecting block (64), and the top end of the fourth sliding rod (63) is fixedly connected to the bottom plane of the lamp plate (12).

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