CN109259993B - Eye training instrument - Google Patents

Abstract

The invention relates to the technical field of eye health care, in particular to an eye training instrument; the invention provides an eye training instrument, which comprises a shell and a transmission assembly, wherein the transmission assembly comprises a fixed bracket, a screw and a sliding block; the screw is rotationally connected to the fixed support, and the sliding block is connected to the screw through threads; the first lens mechanism is arranged in the shell and comprises at least one first lens and at least one transmission component, and the transmission component drives the first lens to move through a sliding block on the transmission component; according to the eye training instrument, the sliding block is in threaded connection with the screw rod, and the screw rod rotates, so that the sliding block is driven to move, the first lens is driven to move, the screw rod and the sliding block are in transmission, the noise is low, and the noise of the eye training instrument is low.

Description

Eye training instrument

Technical Field

The invention relates to the technical field of eye health care, in particular to an eye training instrument.

Background

The eye training instrument trains eyes by alternately doing near-looking training and far-looking training, so as to achieve the purpose of preventing myopia or correcting vision.

Existing eye training devices generally include two sets of lenses and a drive assembly, with a first set of lenses being fixed. The transmission component drives the other group of lenses to rotate or turn over so as to be overlapped with or separated from the first group of lenses. Thus adjusting the user to view the scene through different lenses and thereby adjust the eye.

However, the transmission components of existing eye training devices are typically driven by gear engagement. When the gears are meshed and rotated, the noise generated is large. And then cause the eyes training appearance noise big when using, cause the customer to experience the effect poor.

Disclosure of Invention

It is an object of the present invention to provide an eye training apparatus with a low noise transmission assembly.

(II) technical scheme

In order to achieve the technical problems, the invention provides an eye training instrument, which comprises a shell and a transmission assembly, wherein the transmission assembly comprises a fixed bracket, a screw and a sliding block; the screw is rotationally connected to the fixed support, and the sliding block is connected to the screw through threads;

The shell is internally provided with a first lens mechanism, the first lens mechanism comprises at least one first lens and at least one transmission component, and the transmission component drives the first lens to move through a sliding block on the transmission component.

According to the eye training instrument, the sliding block is in threaded connection with the screw rod, and the screw rod rotates, so that the sliding block is driven to move, the first lens is driven to move, the screw rod and the sliding block are driven, the noise is low, the using noise of the eye training instrument is reduced, and the using sense is improved.

Further, the transmission assembly further comprises a driving motor, the driving motor comprises a driving motor shell and a rotating shaft, and the rotating shaft is positioned in the driving motor shell; one end of the rotating shaft is connected with one end of the screw rod.

Further, the fixing support is connected with at least one limiting rod, the sliding block is provided with at least one limiting hole corresponding to the limiting rods one by one, and each limiting rod is inserted into a corresponding limiting hole.

Further, still be equipped with first ball mounting in the driving motor casing, be equipped with first ball in the first ball mounting, the pivot keep away from the one end of screw rod with first ball rotates to be connected.

Further, the fixing bracket comprises a fixing plate and a first mounting plate, and the first mounting plate is connected to one end of the fixing plate; the first mounting plate is provided with a perforation, and one end of the screw rod penetrates through the perforation and then is connected with one end of the rotating shaft.

Further, the fixing bracket further comprises a second mounting plate, and the second mounting plate is connected to one end, far away from the first mounting plate, of the fixing plate; the second mounting plate is provided with a second ball fixing piece, a second ball is arranged in the second ball fixing piece, and one end of the screw, which is far away from the rotating shaft, is rotationally connected with the second ball.

Further, both ends of each limiting rod are fixedly connected to the first mounting plate and the second mounting plate respectively.

Further, the number of the limiting rods is two, and the number of the limiting holes is two.

Further, the driving motor housing is fixedly connected with the first mounting plate.

Further, a communication hole is formed in the driving motor shell and used for allowing the screw rod or the rotating shaft to pass through, so that the screw rod is connected with the rotating shaft.

Further, the first lens mechanism comprises two first lenses and one transmission assembly, and the two first lenses are respectively connected with the sliding blocks on the transmission assembly.

Further, a second lens mechanism is further arranged in the shell, the second lens mechanism comprises at least one second lens and at least one transmission component, and the transmission component drives the second lens to move through a sliding block on the transmission component.

Further, the second lens mechanism comprises two second lenses and one transmission assembly, and the two second lenses are respectively connected with the sliding blocks on the transmission assembly.

Further, both the first lenses are near vision lenses, and both the second lenses are far vision lenses.

Further, the screw is a double-tooth ladder-shaped screw.

Further, the transmission assembly further comprises a driving motor circuit board, and the driving motor circuit board is connected outside the driving motor shell and is electrically connected with the driving motor.

Drawings

The advantages of the foregoing and/or additional aspects of the present invention will become apparent and readily appreciated from the description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a perspective view of an eye training apparatus provided by the present invention;

FIG. 2 is a block diagram of a drive assembly of the eye training apparatus shown in FIG. 1;

FIG. 3 is an exploded view of the transmission assembly shown in FIG. 2;

FIG. 4 is a cross-sectional view of the transmission assembly shown in FIG. 2;

FIG. 5 is a partial cross-sectional view of the drive motor housing shown in FIG. 2;

FIG. 6 is an assembled view of the stationary bracket and drive motor shown in FIG. 2;

FIG. 7 is a block diagram of a first lens, a first frame, a first screw, a second lens, a second frame, a second screw, a first occlusion piece, and a second occlusion piece of the eye training apparatus shown in FIG. 1;

FIG. 8 is a perspective view of the first and second frames of FIG. 7;

FIG. 9 is a schematic view of the housing body of the eye training apparatus shown in FIG. 1;

FIG. 10 is a schematic view of the position structures of the first lens, the second lens, the first shielding sheet and the second shielding sheet of the eye training apparatus shown in FIG. 7;

FIG. 11 is a perspective view of the first occlusion piece, the second occlusion piece, the transmission assembly, and the first frame of the eye training device shown in FIG. 1;

FIG. 12 is a block diagram of the upper cover, battery, main control circuit board, light guide, keys and upper cover of the eye training apparatus shown in FIG. 1;

FIG. 13 is a schematic view of the electrical control and transmission components of the eye training apparatus of FIG. 1;

FIG. 14 is a perspective view of the housing of the eye training apparatus shown in FIG. 1;

wherein the correspondence between the reference numerals and the component names in fig. 1 to 14 is:

1. The housing, 11, the first inner surface, 111, the first guide groove, 12, the second inner surface, 121, the second guide groove, 13, the outlet, 14, the light guide hole, 15, the first through hole, 16, the second through hole, 17, the third through hole, 18, the upper cover, 182, the buckle, 19, the housing main body, 192, the card hole, 193, the card slot, 2, the first lens, 21, the transmission assembly, 211, the fixing bracket, 2111, the fixing plate, 2112, the first mounting plate, 2113, the through hole, 2114, the second mounting plate, 2115, the second ball fixing member, 2116, the second ball, 2117, the mounting hole, 212, the screw, 213, the slider, 2131, the boss, 2132, the hole, 214, the driving motor, 2142, the rotation shaft, 2143, the first ball fixing member, 2145, the communication hole, 215, the stopper, 216, a driving motor circuit board, 22, a first frame, 221, a first groove, 2211, a first mounting screw hole, 222, a first mounting groove, 223, a first bone position, 23, a first screw, 3, a second lens, 32, a second frame, 321, a second groove, 3211, a second mounting screw hole, 322, a second mounting groove, 3221, a second insertion hole, 323, a second bone position, 33, a second screw, 4, a first shielding piece, 411, a first connecting frame, 412, a first connecting groove, 42, a second shielding piece, 421, a second connecting frame, 422, a fourth insertion hole, 5, an electric control part, 51, a battery, 52, a main control circuit board, 53, a limit switch circuit board, 531, a first limit switch, 532, a second limit switch, 6, a light guide, 7, a switch key, 8, an increase key, 9, a decrease key, 10, and a head fixing part.

Detailed Description

In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.

Referring to fig. 1, the present invention provides an eye training apparatus, which includes a housing 1 and a transmission assembly 21.

Referring to fig. 2 to 4, the transmission assembly 21 includes a fixing bracket 211, a screw 212, and a slider 213, wherein the screw 212 is rotatably connected to the fixing bracket 211, and the slider 213 is screwed to the screw 212. The screw 212 rotates, thereby driving the slider 213 to move. By changing the rotation direction of the screw 212, the movement direction of the slider 213 is changed, thereby reciprocating the slider 213.

Specifically, the screw 212 is a double-flighted trapezoidal screw 212.

The slider 213 is provided with at least one protrusion 2131.

The transmission assembly 21 further includes a driving motor 214, the driving motor 214 includes a driving motor housing 2141 and a rotating shaft 2142, the rotating shaft 2142 is located in the driving motor housing 2141, and one end of the rotating shaft 2142 is connected to one end of the screw 212.

Referring to fig. 5, a first ball fixing member 2143 is further disposed in the driving motor housing 2141, a first ball 2144 is disposed in the first ball fixing member 2143, and one end of the rotating shaft 2142 away from the screw 212 is rotatably connected with the first ball 2144.

The driving motor housing 2141 is provided with a communication hole 2145, and the communication hole 2145 is used for the screw 212 or the rotating shaft 2142 to pass through, so as to realize connection between the screw 212 and the rotating shaft 2142.

The fixing support 211 is connected with at least one limiting rod 215, the sliding block 213 is provided with at least one limiting hole 2132 corresponding to the limiting rods 215 one by one, and each limiting rod 215 is inserted into a corresponding limiting hole 2132. The limiting rod 215 is used for limiting the sliding block 213, preventing the sliding block 213 from swinging in the horizontal direction to be blocked when moving, and preventing the sliding block 213 from swinging in the horizontal direction to generate noise when moving.

In the present embodiment, the number of the limiting rods 215 is two, and the number of the limiting holes 2132 is two. The two limiting rods 215 are arranged in a triangle with the screw 212, so that the effect of limiting the sliding block 213 is better. Optionally, two limiting rods 215 are placed in isosceles triangle with the screw 212.

Specifically, the fixing bracket 211 includes a fixing plate 2111 and a first mounting plate 2112, and the first mounting plate 2112 is attached to one end of the fixing plate 2111. The first mounting plate 2112 is provided with a through hole 2113, and one end of the screw 212 is connected to one end of the rotating shaft 2142 after passing through the through hole 2113.

The fixing bracket 211 further comprises a second mounting plate 2114, the second mounting plate 2114 is connected to an end of the fixing plate 2111 away from the first mounting plate 2112, and the second mounting plate 2114 is disposed opposite to the first mounting plate 2112 in parallel and at a distance. The second mounting plate 2114 is provided with a second ball fixing member 2115, a second ball 2116 is disposed in the second ball fixing member 2115, and one end of the screw 212 away from the rotation shaft 2142 is rotatably connected with the second ball 2116. Specifically, the second mounting plate 2114 is provided with a mounting hole 2117, and the second ball fixing member 2115 is fixedly connected to the mounting hole 2117.

Both ends of each limiting rod 215 are fixedly connected to the first mounting plate 2112 and the second mounting plate 2114, respectively, and the limiting rods 215 also play a role in supporting the fixing support 211. In this embodiment, since the number of the limiting rods 215 is two, the two limiting rods 215 and the fixing plate 2111 are placed in a triangle shape, so that the supporting effect is more stable.

Referring to fig. 6, the driving motor housing 2141 is fixedly connected to the first mounting plate 2112.

Referring back to fig. 3, the transmission assembly 21 further includes a driving motor circuit board 216, the driving motor circuit board 216 is connected to the outside of the driving motor housing 2141 and electrically connected to the driving motor 214, and the driving motor circuit board 216 is used for electrically connecting to other components.

The housing 1 is provided with a visual area, which is a sight line (viewing) area of a user.

Referring to fig. 7, a first lens mechanism is disposed in the housing 1, and the first lens mechanism includes at least one first lens 2 and at least one transmission assembly 21, and the transmission assembly 21 drives the first lens 2 to move through a slider 213 thereon. Specifically, the slider 213 drives the first lens 2 to reciprocate, so that the first lens 2 extends out of the housing 1 or retracts into the housing 1, and the first lens 2 moves to or from the vision area.

In this embodiment, the first lens mechanism includes two first lenses 2 and one transmission assembly 21, and the two first lenses 2 are respectively connected to a slider 213 on the transmission assembly 21. The positions of the two first lenses 2 are respectively corresponding to the positions of the eyes of the user.

In another embodiment, the first lens mechanism includes two first lenses 2 and two transmission assemblies 21, the transmission assemblies 21 are in one-to-one correspondence with the first lenses 2, and each first lens 2 is connected with a corresponding slider 213.

Referring to fig. 8, the first lens mechanism further includes a first lens frame 22, and two first grooves 221 corresponding to the two first lenses 2 are formed on the first lens frame 22. Each first lens 2 is fixedly installed in a corresponding first groove 221, and the first lens frame 22 is fixedly connected with the sliding block 213.

Specifically, the first frame 22 is provided with a first mounting groove 222, and the slider 213 is mounted and fixed in the first mounting groove 222. Further, the slider 213 is mounted and fixed in the first mounting groove 222 by means of gluing, fastening, interference fit, etc.

Optionally, at least one first jack corresponding to the protruding portion 2131 is provided in the first mounting groove 222. The protruding portion 2131 is inserted into a corresponding one of the first insertion holes to mount and fix the slider 213 in the first mounting groove 222. Alternatively, the number of the protruding portions 2131 and the number of the first insertion holes are two.

At least one first mounting screw hole 2211 is formed in each first groove 221, and the first mounting screw hole 2211 is communicated with the corresponding first groove 221. The first lens mechanism further comprises at least one first screw 23 corresponding to the first mounting screw hole 2211 one by one, the first lens 2 is placed in a corresponding first groove 221, and the first screw 23 is in threaded fit with the first mounting screw hole 2211 and penetrates through the first mounting screw hole 2211 to press against the first lens 2, so that the first lens 2 is fixed in the first groove 221. Fixing the first lens 2 in this way is convenient for installation and removal, facilitating replacement of the first lens 2.

Referring to fig. 9, the first frame 22 has first bone portions 223 at two ends, and the housing 1 includes a first inner surface 11. The first inner surface 11 is provided with two first guide grooves 111, the two first guide grooves 111 are arranged at intervals, and each first bone position 223 is located in a corresponding one of the first guide grooves 111. When the slider 213 drives the first frame 22 to move, each of the first bone portions 223 slides in a corresponding one of the first guide grooves 111. The first guide groove 111 is used for limiting and enabling the first bone position 223 to move in the first guide groove 111 so as to prevent the first frame 22 from swinging in a direction perpendicular to the axis of the first guide groove 111 to be blocked.

The second lens mechanism is further arranged in the shell 1 and comprises at least one second lens 3 and at least one transmission component 21, and the transmission component 21 drives the second lens 3 to move through a sliding block 213 on the transmission component 21. Specifically, the slider 213 drives the second lens 3 to reciprocate, so that the second lens 3 extends out of the housing 1 or retracts into the housing 1, and the second lens 3 moves to or from the vision area.

In this embodiment, the second lens mechanism includes two second lenses 3 and one transmission assembly 21, the positions of the two second lenses 3 are respectively corresponding to the positions of the eyes of the user, and the two second lenses 3 are respectively connected with the sliding blocks 213 on the transmission assembly 21.

In another embodiment, the second lens mechanism includes two second lenses 3 and two transmission assemblies 21, the transmission assemblies 21 are in one-to-one correspondence with the second lenses 3, and each second lens 3 is connected with a corresponding slider 213.

The second lens mechanism further comprises a second lens frame 32, and two second grooves 321 corresponding to the two second lenses 3 one by one are formed in the second lens frame 32. Each second lens 3 is fixedly installed in a corresponding second groove 321, and the second lens frame 32 is fixedly connected with the sliding block 213.

Specifically, the second frame 32 is provided with a second mounting groove 322, and the slider 213 is mounted and fixed in the second mounting groove 322. Further, the slider 213 is mounted and fixed in the second mounting groove 322 by means of gluing, fastening, interference fit, etc.

Optionally, at least one second insertion hole 3221 corresponding to the protruding portion 2131 is formed in the second mounting groove 322. The protrusions 2131 are inserted into corresponding ones of the second insertion holes 3221 to mount and fix the slider 213 in the second mounting groove 322. Alternatively, the number of the second jacks 3221 is two.

At least one second installation screw hole 3211 is formed in each second groove 321, and the second installation screw holes 3211 are communicated with the corresponding second grooves 321. The second lens mechanism further comprises at least one second screw 33 corresponding to the second mounting screw holes 3211 one by one, the second lens 3 is placed in a corresponding second groove 321, and the second screw 33 is in threaded fit with the second mounting screw holes 3211 and penetrates through the second mounting screw holes 3211 to press against the second lens 3, so that the second lens 3 is fixed in the second groove 321. Fixing the second lens 3 in this way is convenient for installation and removal, facilitating replacement of the second lens 3.

Referring to fig. 9, the housing 1 includes a second inner surface 12 opposite to the first inner surface 11, two ends of the second frame 32 are respectively provided with a second bone position 323, and two second guide grooves 121 are formed on the second inner surface 12. The two second guide grooves 121 are spaced apart, and each second bone position 323 is located in a corresponding one of the second guide grooves 121. When the slider 213 drives the second frame 32 to move, each of the second bone portions 323 slides in a corresponding one of the second guide grooves 121. The second guiding groove 121 is used for limiting and enabling the second bone position 323 to move in the second guiding groove 121 so as to prevent the second frame 32 from swinging to be blocked in the direction perpendicular to the axis of the second guiding groove 121.

Both the first lenses 2 are near vision lenses, and both the second lenses 3 are far vision lenses.

Since in the present embodiment, the first lenses 2 are near-sighted lenses and the number of the first lenses 2 is two, the second lenses 3 are far-sighted lenses and the number of the second lenses 3 is two, at this time, the eye training device trains both eyes.

The user can freely select the power of the first lens 2 and the power of the second lens 3 according to the condition of eyes of the user, the power of the two first lenses 2 can be the same or different, and the power of the two second lenses 3 can be the same or different.

Optionally, the calculation formula of the power of the first lens 2 and the second lens 3 is as follows:

the first lens has a power of 2 = user's myopia power + (-X)

The second lens has 3 power = user's near vision power + (+x)

Wherein X is the adjustment training strength/amplitude. Alternatively, X is any one of 0.5D, 1.0D, 1.5D, 2.0D, 2.5D, 3.0D.

Referring to fig. 10, the two first lenses 2 are located in front of the two second lenses 3, that is, the two second lenses 3 and the two first lenses 2 are sequentially arranged along the direction of sight, and the direction of sight is the direction indicated by A-A' in the figure.

Referring to fig. 7 and 11, a first shielding plate mechanism is further disposed in the housing 1, and the first shielding plate mechanism includes a first shielding plate 4 and one of the transmission assemblies 21. The first shielding plate 4 is connected with the sliding block 213 of the transmission assembly 21, and the sliding block 213 drives the first shielding plate 4 to reciprocate, so that the first shielding plate 4 extends out of the housing 1 or retracts into the housing 1, and the first shielding plate 4 moves to or out of the visual area.

The first shielding plate 4 is connected with a first connecting frame 411, a first connecting groove 412 is formed in the first connecting frame 411, and the slider 213 is fixed in the first connecting groove 412. Further, the slider 213 is mounted and fixed in the first connecting groove 412 by means of gluing, fastening, interference fit, etc.

Optionally, at least one third jack corresponding to the protruding portion 2131 one to one is provided in the first connecting slot 412. The protruding portion 2131 is inserted into a corresponding third insertion hole to mount and fix the slider 213 in the first connection groove 412. Optionally, the number of the third jacks is two.

The first connecting frame 411 and the first shielding plate 4 are integrally formed.

A second shielding sheet mechanism is further arranged in the shell 1, the second shielding sheet mechanism comprises a second shielding sheet 42 and one transmission assembly 21, and the second shielding sheet 42 is connected with a sliding block 213 of the transmission assembly 21. The sliding block 213 drives the second shielding piece 42 to reciprocate, so that the second shielding piece 42 extends out of the housing 1 or retracts into the housing 1, and the second shielding piece 42 moves to or out of the visual area.

The second shielding plate 42 is connected with a second connecting frame 421, a second connecting groove is formed in the second connecting frame 421, and the slider 213 is mounted and fixed in the second connecting groove. Further, the slider 213 is mounted and fixed in the second connecting groove by means of gluing, fastening, interference fit, etc.

Optionally, at least one fourth jack 422 corresponding to the protruding portion 2131 one to one is provided in the second connecting slot. The protrusion 2131 is inserted into a corresponding one of the fourth insertion holes 422 to mount and fix the slider 213 in the second connection groove. Optionally, the number of the fourth jacks 422 is two.

The second connecting frame 421 and the second shielding plate 42 are integrally formed.

Optionally, the first jack, the second jack 3221, the third jack, and the fourth jack 422 are all identical.

The positions of the first shielding sheet 4 and the second shielding sheet 42 are respectively corresponding to the positions of the eyes of a user, and the first shielding sheet 4 and the second shielding sheet 42 are used for shielding different monocles, so that the eye training instrument can train the different monocles.

The first shielding sheet 4 and the second shielding sheet 42 are preferably dark in color so as to be able to shield the line of sight. Optionally, the first shielding sheet 4 and the second shielding sheet 42 are black in color.

The first shielding sheet 4 and the second shielding sheet 42 may be shaped and sized to be capable of shielding a line of sight, and optionally, the first shielding sheet 4 and the second shielding sheet 42 may each be shaped and sized to correspond to the shape and size of one of the first lens 2 or one of the second lens 3, respectively.

Optionally, the first shielding piece 4 and the second shielding piece 42 are located between the two first lenses 2 and the two second lenses 3, that is, the two second lenses 3, the first shielding piece 4, the second shielding piece 42, and the two first lenses 2 are sequentially arranged along the line of sight direction.

In another embodiment, the first shielding sheet 4 and the second shielding sheet 42 are positioned in front of the two first lenses 2, that is, the two second lenses 3, the two first lenses 2, and the first shielding sheet 4 and the second shielding sheet 42 are sequentially disposed in the line of sight direction.

In yet another embodiment, the first shielding sheet 4 and the second shielding sheet 42 are located behind the two second lenses 3, that is, the first shielding sheet 4 and the second shielding sheet 42, the two second lenses 3, and the two first lenses 2 are sequentially disposed in the line of sight direction.

Referring to fig. 12 and 13, an electric control unit 5 is further disposed in the housing 1, the electric control unit 5 includes a battery 51, the driving motor 214 of the transmission assembly 21 is electrically connected to the battery 51, and the battery 51 is used for supplying power to the driving motor 214 to enable the driving motor 214 to operate. Specifically, the driving motor 214 is electrically connected to the battery 51 through the driving motor circuit board 216.

The electric control part 5 further comprises a main control circuit board 52, the driving motor 214 is electrically connected with the battery 51 through the main control circuit board 52, that is, the battery 51 is electrically connected with the main control circuit board 52, and the driving motor 214 is electrically connected with the main control circuit board 52. The battery 51 is used for supplying power to the main control circuit board 52 to make the main control circuit board 52 work, and the main control circuit board 52 controls the driving motor 214 to work and controls the rotation direction of the rotating shaft 2142 of the driving motor 214.

Specifically, the drive motor 214 is electrically connected to the main control circuit board 52 through the drive motor circuit board 216.

Further, the electric control portion 5 further includes a limit switch circuit board 53, the limit switch circuit board 53 is electrically connected to the main control circuit board 52, and the main control circuit board 52 is used for controlling the operation of the limit switch circuit board 53. The driving motors 214 of the transmission assemblies 21 of the first lens mechanism, the second lens mechanism, the first shielding sheet mechanism and the second shielding sheet mechanism are all electrically connected with the limit switch circuit board 53. The limit switch circuit board 53 is provided with two first limit switches 531 and two second limit switches 532, and the two first limit switches 531 are respectively disposed corresponding to the positions of the first lens holder 22 and the second lens holder 32. When the first lens holder 22 is retracted into the housing 1, the corresponding first limit switch 531 is pressed, the first limit switch 531 is turned off and transmits a signal to the limit switch circuit board 53, and the limit switch circuit board 53 further controls the driving motor 214 of the transmission assembly 21 of the first lens mechanism to stop working. When the second lens holder 32 is retracted into the housing 1, the corresponding first limit switch 531 is pressed, the first limit switch 531 is turned off and transmits a signal to the limit switch circuit board 53, and the limit switch circuit board 53 further controls the driving motor 214 of the transmission assembly 21 of the second lens mechanism to stop working.

Specifically, the driving motors 214 of the transmission assemblies 21 of the first lens mechanism, the second lens mechanism, the first shielding sheet mechanism and the second shielding sheet mechanism are all electrically connected with the limit switch circuit board 53 through the driving motor circuit board 216.

The two second limit switches 532 are respectively disposed corresponding to the positions of the first shielding sheet 4 and the second shielding sheet 42. Specifically, two second limit switches 532 are disposed corresponding to the positions of the first connecting frame 411 and the second connecting frame 421, respectively. When the first shielding plate 4 is retracted into the housing 1, the corresponding second limit switch 532 is pressed, the second limit switch 532 is turned off and transmits a signal to the limit switch circuit board 53, and the limit switch circuit board 53 further controls the driving motor 214 of the transmission assembly 21 of the first shielding plate mechanism to stop working. When the second shielding plate 42 is retracted into the housing 1, the corresponding second limit switch 532 is pressed, the second limit switch 532 is turned off and transmits a signal to the limit switch circuit board 53, and the limit switch circuit board 53 further controls the driving motor 214 of the transmission assembly 21 of the second shielding plate mechanism to stop working.

Optionally, the number of the limit switch circuit boards 53 is three, two of the first limit switches 531 are disposed on one limit switch circuit board 53, and two of the second limit switches 532 are disposed on the other two limit switch circuit boards 53 respectively.

In another embodiment, the number of limit switch circuit boards 53 is four. The two first limit switches 531 are respectively disposed on the two limit switch circuit boards 53, and the two second limit switches 532 are respectively disposed on the other two limit switch circuit boards 53.

Referring to fig. 9, the housing 1 is further provided with at least one outlet 13, and the visual area is located outside the outlet 13.

In the present embodiment, the number of the outlets 13 is two, and the position of each outlet 13 corresponds to one first lens 2 or second lens 3 or first shielding sheet 4 or second shielding sheet 42. Each outlet 13 is adapted to pass through a corresponding one of the first lens 2 or the second lens 3 or the first shielding sheet 4 or the second shielding sheet 42 when being reciprocated, so that the first lens 2 or the second lens 3 or the first shielding sheet 4 or the second shielding sheet 42 can be extended out of the housing 1 and retracted into the housing 1, thereby being moved to and from the vision area.

In other embodiments, the number of outlets 13 is one, one outlet 13 being used for the passage of two first lenses 2 or two second lenses 3 or a first shielding sheet 4 and a second shielding sheet 42.

In other embodiments, the visual zone may be located inside the housing 1.

Alternatively, each outlet 13 is rectangular in shape.

Referring to fig. 1 and 12, the eye training apparatus further includes a light guide member 6, and the housing 1 is provided with a light guide hole 14 corresponding to the light guide member 6. The light guide member 6 is accommodated in the light guide hole 14 and electrically connected to the main control circuit board 52, and the light guide member 6 is used for indicating a start-up, a charging indication, an electric quantity reminding and other light indications.

The eye training instrument further comprises at least one key, and the shell 1 is provided with at least one key hole corresponding to the key. Each key is accommodated in a corresponding key hole and is electrically connected with the main control circuit board 52, and the key is used for controlling the on/off of the eye training device, or increasing the switching time of the first lens 2 and the second lens 3, or reducing the switching time of the first lens 2 and the second lens 3, or controlling the first shielding sheet 4 or the second shielding sheet 42 to extend out of the casing 1.

In the present embodiment, the number of the keys is three, namely, an on/off key 7, an up key 8 and a down key 9. The number of the key holes is three, and the key holes are a first through hole 15, a second through hole 16 and a third through hole 17 respectively. The on-off key 7 is accommodated in the first through hole 15 and is used for controlling the on-off operation of the eye training instrument. The enlarging key 8 is accommodated in the second through hole 16, short pressing of the enlarging key 8 is used for enlarging the switching time of the first lens 2 and the second lens 3, and long pressing of the enlarging key 8 is used for controlling the first shielding sheet 4 to extend out of the housing 1. The reduction key 9 is accommodated in the third through hole 17, short pressing of the reduction key 9 is used for reducing the switching time of the first lens 2 and the second lens 3, and long pressing of the reduction key 9 is used for controlling the second shielding piece 42 to extend out of the housing 1.

The head fixing piece 10 is further connected to the shell 1, and the head fixing piece 10 is used for fixing the eye training instrument to the head, so that the eye training instrument becomes a head-mounted eye training instrument, and the use is convenient.

Referring to fig. 14, the housing 1 includes an upper cover 18 and a housing body 19, and the housing body 19 has a slot structure. The upper cover 18 and the housing body 19 are connected by a snap, screw or bolt. The first inner surface 11 and the second inner surface 12 are two inner surfaces opposite to each other in the housing main body 19, and the outlet 13 is opened on the housing main body 19. The light guide hole 14 and the key hole are both formed on the upper cover 18, and the head fixing member 10 is connected to the outer surface of the housing main body 19.

The upper cover 18 is provided with at least one buckle 182, and the housing body 19 is provided with at least one clamping hole 192 or clamping groove 193. The clamping holes 192 or the clamping grooves 193 are in one-to-one correspondence with the clamping buckles 182 and are matched with each other, and the clamping buckles 182 are inserted into the corresponding clamping holes 192 or the clamping grooves 193 to connect and fix the upper cover 18 and the shell main body 19.

The eye training device is described below in connection with specific use:

When training of both eyes is required, it is possible to control the first lens 2 to extend outside the housing 1 and to control the second lens 3 to be located inside the housing 1, so that only two first lenses 2 are located in the vision area. The user does near training through two first lenses 2, after near training is completed, namely after a first preset time, the positions of the two second lenses 3 and the two first lenses 2 are controlled to be interchanged, the user does far training through the two second lenses 3, after far training is completed, namely after a second preset time, the positions of the two second lenses 3 and the two first lenses 2 are controlled to be interchanged, so that near training and far training are alternately performed, and eyes are trained.

The control is that the near training is performed first and then the far training is performed, and in addition, the far training can be performed first and then the near training can be performed.

Furthermore, the user may have a need to train a single eye while training the eye. Then it is possible to control the first shutter 4 to extend out of the housing 1 and to control the second shutter 42 to be positioned within the housing 1 such that only the first shutter 4 is positioned within the visual area, the first shutter 4 shielding one of the eyes, for example the left eye, to train the other, non-shielded, single eye. After the monocular training is completed, that is, after a third preset time, the first shielding sheet 4 is controlled to retract into the housing 1.

It is also possible to control the second shielding plate 42 to extend out of the housing 1 and to control the first shielding plate 4 to be positioned in the housing 1, so that only the second shielding plate 42 is positioned in the vision area, and to shield the other eye (for example, the right eye), thereby realizing training of the other single eye without shielding. After the monocular training is completed, i.e., after a fourth preset time, the second shutter 42 is controlled to retract into the housing 1.

The first preset time, the second preset time, the third preset time and the fourth preset time are all adjustable.

Alternatively, the first preset time and the second preset time are increased by short pressing the second key 7, and the first preset time and the second preset time are decreased by short pressing the third key 8.

Optionally, the first shielding sheet 4 is controlled to extend out of the housing 1 by long pressing the second key 7, and the second shielding sheet 42 is controlled to extend out of the housing 1 by long pressing the third key 8.

According to the eye training instrument disclosed by the invention, the sliding block 213 is in threaded connection with the screw 212, and the screw 212 rotates, so that the sliding block 213 is driven to move, the first lens 2 is driven to move, the screw 212 and the sliding block 213 are in transmission, the noise is low, and the noise of the eye training instrument is low.

In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (13)

1. An eye training instrument, characterized in that: the device comprises a shell and a transmission assembly, wherein the transmission assembly comprises a fixed bracket, a screw and a sliding block; the screw is rotationally connected to the fixed support, and the sliding block is connected to the screw through threads;

the first lens mechanism is arranged in the shell and comprises two first lenses and one transmission component, and the transmission component drives the first lenses to move through a sliding block on the transmission component;

The transmission assembly further comprises a driving motor, wherein the driving motor comprises a driving motor shell and a rotating shaft, and the rotating shaft is positioned in the driving motor shell; one end of the rotating shaft is connected with one end of the screw rod; the driving motor is characterized in that a first ball fixing piece is further arranged in the driving motor shell, a first ball is arranged in the first ball fixing piece, and one end, far away from the screw rod, of the rotating shaft is rotationally connected with the first ball;

the two first lenses are respectively connected with the sliding blocks on the transmission assembly.

2. The eye training apparatus according to claim 1, wherein: the fixed support is connected with at least one limiting rod, at least one limiting hole corresponding to the limiting rods one by one is formed in the sliding block, and each limiting rod is inserted into the corresponding limiting hole.

3. The eye training apparatus according to claim 2, wherein: the fixing support comprises a fixing plate and a first mounting plate, and the first mounting plate is connected to one end of the fixing plate; the first mounting plate is provided with a perforation, and one end of the screw rod penetrates through the perforation and then is connected with one end of the rotating shaft.

4. An eye training apparatus according to claim 3, wherein: the fixed bracket further comprises a second mounting plate, and the second mounting plate is connected to one end, far away from the first mounting plate, of the fixed plate; the second mounting plate is provided with a second ball fixing piece, a second ball is arranged in the second ball fixing piece, and one end of the screw, which is far away from the rotating shaft, is rotationally connected with the second ball.

5. The eye training apparatus according to claim 4, wherein: both ends of each limiting rod are fixedly connected to the first mounting plate and the second mounting plate respectively.

6. The eye training apparatus according to claim 5, wherein: the number of the limiting rods is two, and the number of the limiting holes is two.

7. An eye training apparatus according to claim 3, wherein: the driving motor shell is fixedly connected with the first mounting plate.

8. The eye training apparatus according to claim 1, wherein: the drive motor shell is provided with a communication hole, and the communication hole is used for the screw rod or the rotating shaft to pass through, so that the screw rod is connected with the rotating shaft.

9. The eye training apparatus according to claim 1, wherein: the shell is internally provided with a second lens mechanism, the second lens mechanism comprises at least one second lens and at least one transmission component, and the transmission component drives the second lens to move through a sliding block on the transmission component.

10. The eye training apparatus according to claim 9, wherein: the second lens mechanism comprises two second lenses and one transmission assembly, and the two second lenses are respectively connected with the sliding blocks on the transmission assembly.

11. The eye training apparatus according to claim 10, wherein: the two first lenses are all near-sighted lenses, and the two second lenses are all far-sighted lenses.

12. The eye training apparatus according to claim 1, wherein: the screw rod is a double-tooth ladder-shaped screw rod.

13. The eye training apparatus according to claim 1, wherein: the transmission assembly further comprises a driving motor circuit board, and the driving motor circuit board is connected outside the driving motor shell and is electrically connected with the driving motor.