CN209916587U

CN209916587U - Vision training instrument capable of adjusting vision

Info

Publication number: CN209916587U
Application number: CN201920253945.2U
Authority: CN
Inventors: 张春山
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-01-10
Anticipated expiration: 2029-02-28

Abstract

The utility model relates to a vision training instrument capable of adjusting vision, which comprises a VR glasses body and two lens frames, wherein the lens frames are in a circular structure, the outer walls of the lens frames are fully provided with teeth, the bottom of the lens frames is fixed with a first rotating shaft, a plurality of lenses which are arranged in an annular shape with different and equal intervals are embedded in the lens frames, the VR glasses body at the two sides of a cavity body are symmetrically and respectively fixed with a clapboard, the clapboard is provided with an opening, the cavity body is rotationally connected with two second rotating shafts, the top of the cavity body is provided with a round hole communicated with the cavity body, the round hole is connected with a sleeve through a first bearing in a rotating way, a rotating rod is arranged in the sleeve, the bottom end of the sleeve extends into the cavity body, the rotating rod is connected in the sleeve through a first one-way bearing, the two ends of the rotating rod penetrate through the sleeve, the utility model can change different lenses according, the replacement mode is simple, convenient and quick, the lens does not need to be disassembled, and the applicable crowd is wider.

Description

Vision training instrument capable of adjusting vision

Technical Field

The utility model relates to a technical field is corrected to the vision, concretely relates to visual training appearance of adjustable eyesight.

Background

The visual training is a set of special visual rehabilitation health-care training aiming at the training of myopia, hyperopia and amblyopia of youngsters and children under 18 years old. The method comprises visual perception training, visual resolution capability training, eye muscle regulation training, binocular coordination training, stereoscopic vision training and visual hygiene training. Most children's myopia and astigmatism, when initiated, are associated with a decrease in the accommodative ability of the ciliary muscles. If the eyes are used for a long time at a short distance, ciliary muscle spasm is caused, the crystalline lens cannot be restored, the far point is close, images beyond a certain distance cannot be focused on the retina, and so-called pseudomyopia occurs. The long-term eyeball is forced to lead to the axial elongation of the eye, so-called true myopia is finally formed, therefore, the vision training instrument plays an important role in recovering the vision, but the existing vision training instrument does not have the function of replacing different lenses, different groups with myopia or amblyopia and normal vision need to wear equipment with different lenses, the same equipment can not adapt to different groups, and the groups with different binocular vision conditions need to be replaced by a single lens, the prior art can not realize the functions, and the application range is narrow.

SUMMERY OF THE UTILITY MODEL

For solving the problem that prior art exists, the utility model provides a visual training appearance of adjustable eyesight can carry out the change of different lenses according to different eyesight crowds, and the change mode is simple, convenient quick, need not to dismantle the lens, and the crowd that is suitable for is more extensive.

In order to achieve the above object, the utility model adopts the following technical scheme:

a vision training instrument capable of adjusting vision comprises a VR (virtual reality) spectacle body and two lens frames, wherein the two lens frames are symmetrically arranged in the VR spectacle body, a cavity with a hollow structure is formed in the side wall of the VR spectacle body between the two lens frames, a double-screen display frame is fixed at the bottom of the cavity, two display screens are arranged on the double-screen display frame, the lens frames are of a circular structure, teeth are fully distributed on the outer wall of each lens frame, a first rotating shaft is fixed at the bottom of each lens frame, a plurality of different lenses which are annularly arranged at equal intervals are embedded in the lens frames, partition plates are respectively and symmetrically fixed in the VR spectacle bodies on two sides of the cavity, openings are formed in the partition plates, two second rotating shafts are connected in the cavity, a round hole communicated with the cavity is formed in the top of the cavity, and a sleeve pipe is rotatably connected in the round hole through a first bearing, a rotating rod is arranged in the sleeve, the bottom end of the sleeve extends into the cavity, the sleeve is connected with the rotating rod through a first one-way bearing, two ends of the rotating rod penetrate through the sleeve, one end of the rotating rod penetrates through the sleeve to extend into the cavity and is connected with a first gear through a second one-way bearing, the other end of the rotating rod extends to the outer side of the VR glasses body, the locking directions of the first one-way bearing and the second one-way bearing are opposite, a second gear is fixedly sleeved on the outer wall of the sleeve in the cavity, two second rotating shafts are respectively positioned at two sides of the first gear and the second gear, one of the second rotating shafts is fixedly sleeved with a third gear meshed with the second gear, the other second rotating shaft is fixedly sleeved with a fourth gear meshed with the first gear, and the two second rotating shafts are respectively provided with a fifth gear meshed with the teeth on the outer wall of the adjacent lens frame.

Preferably, the two side walls of the cavity are respectively provided with a limiting hole.

In any of the above aspects, it is preferable that one end of the lens frame passes through the opening to engage with the fifth gear.

In any of the above schemes, preferably, a supporting disc is fixed at the bottom end of the rotating rod in the cavity, and the bottom of the first gear is in contact with the supporting disc.

In any one of the above schemes, preferably, a cover plate for sealing the circular hole is fixed on the outer wall of the top of the VR glasses body, the other end of the rotating rod penetrates through the cover plate and is fixed with a rotating handle, and anti-skid grains are arranged on the outer wall of the rotating handle.

In any of the above aspects, preferably, the fourth gear is located below the third gear.

In any of the above embodiments, preferably, both side walls of the VR glasses body are in a wave-shaped structure.

In any of the above aspects, preferably, the axis of the second rotating shaft is parallel to the center line of the lens.

In any of the above schemes, preferably, a supporting block is fixed on one side wall of the partition plate, and the bottom of the first rotating shaft is rotatably connected with the supporting block.

In any of the above schemes, preferably, the two display screens are respectively located between the cavity and the partition plate, and the two display screens are located on different sides of the cavity.

Compared with the prior art, the utility model provides an adjustable visual training appearance of eyesight has following beneficial effect:

1. the lens frame is provided with a plurality of lenses suitable for myopia, amblyopia and normal vision, the sleeve is connected with the rotating rod through the second one-way bearing, the rotating rod is connected with the first gear through the first bearing, and the locking directions of the first one-way bearing and the second one-way bearing are opposite, so that the lens frames on two sides of the cavity can be respectively and independently rotated only by rotating the same rotating rod in the positive and negative directions, and then different lenses are replaced on the same device to achieve the effect of training vision for different people, the different requirements of people on binocular vision are met, the application range is wide, the lenses do not need to be detached when being replaced, and the lens frame has the advantages of convenience, simplicity and quickness in replacement;

2. by arranging the two display screens, the set is reduced for myopia, and the adjustment capability of a trainer is improved by realizing the distance of pictures on the display screens, so that the function of correcting myopia is achieved; for strabismus, the two display screens display the same picture, so that signals collected by two eyes correct the eye positions through brain fusion, and the strabismus is corrected; for amblyopia, simultaneous vision and fusion vision can be trained, and the visual function of eyes can be trained, so that the amblyopia can be changed.

Drawings

Fig. 1 is a schematic overall structure diagram of a preferred embodiment of the vision training apparatus with adjustable eyesight provided by the present invention;

FIG. 2 is an enlarged view of a portion of A-A in the embodiment of FIG. 1;

fig. 3 is an internal structural view of the diagram shown in fig. 2.

The figures are labeled as follows: 1. a VR body of glasses; 2. a lens; 3. a second rotating shaft; 4. a fifth gear; 5. a third gear; 6. a second gear; 7. a first gear; 8. a fourth gear; 9. a cover plate; 10. a handle is rotated; 11. a second one-way bearing; 12. a first one-way bearing; 13. a lens frame; 14. a partition plate; 15. a first rotating shaft; 16. a dual-screen display frame; 17. a display screen.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in fig. 1-3, an embodiment of the vision training apparatus with adjustable eyesight according to the present invention includes a VR glasses body 1 and two lens frames 13, the two lens frames 13 are symmetrically disposed in the VR glasses body 1, a cavity with a hollow structure is disposed on a sidewall of the VR glasses body 113 between the two lens frames 13, a dual-screen display frame 16 is fixed at a bottom of the cavity, two display screens 17 are mounted on the dual-screen display frame 16 and connected to a computer host through wires for displaying images on the display screens, the lens frames are circular structures, teeth are fully distributed on an outer wall of the lens frames 13, a first rotating shaft 15 is fixed at a bottom of the lens frames, a plurality of different lenses 2 arranged in an equal-spaced annular manner are embedded in the lens frames 13, and lenses mounted on the lens frames include objective lenses for myopia, convex lens and concave lens to the amblyopia and to the lens of normal eyesight, the internal symmetry of VR glasses of cavity both sides is fixed with baffle 14 respectively, be equipped with the opening on the baffle 14, the cavity internal rotation is connected with two second pivots 3, the round hole of intercommunication cavity is seted up at the top of cavity, rotate through first bearing in the round hole and be connected with the sleeve pipe, first bearing can be thrust ball bearing, the intraductal bull stick that is equipped with of cover, the sheathed tube bottom extends to the cavity inside, connect the bull stick through first one-way bearing 12 in the sleeve pipe, the both ends of bull stick run through the sleeve pipe, the one end of bull stick passes the sleeve pipe and extends to in the cavity and is connected with first gear 7 through second one-way bearing 11, the other end of bull stick extends to the outside of VR glasses body 1, the dead opposite direction of lock of first one-way bearing 12 and second one-way bearing 11, the fixed cover has second gear 6 on the sleeve pipe outer wall in the cavity, and two second pivot 3 are located respectively first gear 7 and the both sides of second gear 6, and the fixed cover has third gear 5 with second gear 6 meshing on one of them second pivot 3, and the fixed cover has fourth gear 8 with first gear 7 meshing on another second pivot 3, is equipped with the fifth gear with the tooth meshing on the adjacent lens frame outer wall respectively in two second pivots, and the both ends of double-screen display frame are respectively with adjacent baffle fixed connection.

And two side walls of the cavity are provided with limiting holes. One end of the lens frame passes through the opening to be meshed with the fifth gear.

And a supporting disc is fixed at the bottom end of the rotating rod in the cavity, and the bottom of the first gear 7 is in contact with the supporting disc.

The outer wall of the top of the VR glasses body 1 is fixed with a cover plate 9 for sealing the round hole, the other end of the rotating rod penetrates through the cover plate 9 and is fixed with a rotating handle 10, and anti-skid grains are arranged on the outer wall of the rotating handle 10.

The fourth gear 8 is located below the third gear 5.

The both sides wall of the VR glasses body 1 all is the wave structure, makes when holding the VR glasses body 1 for a long time, is favorable to the inside heat dissipation of palm, avoids the palm to sweat and brings the discomfort.

The axis of the screw 3 is parallel to the center line of the lens 2.

The two display screens are respectively positioned between the cavity and the partition board, and the two display screens are positioned on different sides of the cavity.

The working principle of the embodiment is as follows: when one of the lenses 2 is replaced, the rotating rod is manually rotated in one direction, because the rotating direction is the locking direction of the first one-way bearing 12 but not the locking direction of the second one-way bearing 11, the rotating rod drives the first gear 7 to rotate when rotating, the sleeve is in the static state, the first gear 7 drives the fourth gear 8 to rotate, so that the second rotating shaft 3 on the fourth gear 8 rotates, the fifth gear 4 drives the lens frame to rotate until the lens suitable for the glasses is positioned between the partition plate and the cavity, namely, the replacement function of one lens 2 is realized, when another lens 2 is replaced, the rotating rod is rotated in the opposite direction, so that the second one-way bearing 11 is in the locking state, the first one-way bearing 12 is in the non-locking state, and the rotating rod drives the sleeve to rotate, so that the second gear 6 drives the third gear 5 to rotate, and first gear 7 is in the motionless state, makes the epaxial fifth gear of second pivot drive adjacent lens frame and rotates to realize the change of different lenses, two display screens broadcast same picture, are favorable to the correction to the vision.

Compared with the prior art, the embodiment has the following beneficial effects:

set up a plurality of lenses that are applicable to near-sighted, the amblyopia, normal eyesight on with the lens frame, and through making adopt the one-way bearing of second to be connected between sleeve pipe and the bull stick, adopt first bearing to be connected between bull stick and the first gear, and the dead opposite direction of lock of the one-way bearing of first one-way bearing and second, thereby as long as the rotatory same bull stick of positive and negative direction just can realize making the lens frame of cavity both sides respectively rotate alone, and then realize changing different lenses on same equipment in order to reach the effect to different crowds training vision, and satisfy the different demands of people's binocular vision, application scope is wide, need not to dismantle the lens when changing the lens, have the advantage of changing convenient and simple swift.

It will be understood by those skilled in the art that any combination of the elements of the present invention, including the summary and detailed description of the invention provided in the foregoing description and illustrated in the accompanying drawings, is not to be considered limiting in scope and in order to make the description more concise, and not to describe every element of the combination. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a visual training appearance of adjustable eyesight, includes the VR glasses body, two lens frames, and two lens frame symmetries set up in the VR glasses body, two set up the cavity that is hollow structure on the VR glasses body lateral wall between the lens frame, its characterized in that: the bottom of the cavity is fixedly provided with a double-screen display frame, two display screens are arranged on the double-screen display frame, the lens frame is of a circular structure, the outer wall of the lens frame is fully provided with teeth, the bottom of the lens frame is fixedly provided with a first rotating shaft, a plurality of lenses which are different and are arranged in an equidistant annular mode are embedded in the lens frame, the VR glasses on the two sides of the cavity are symmetrically and respectively fixedly provided with a partition plate, the partition plates are provided with openings, the cavity is rotationally connected with two second rotating shafts, the top of the cavity is provided with a round hole communicated with the cavity, the round hole is connected with a sleeve through a first bearing in a rotating mode, a rotating rod is arranged in the sleeve, the bottom end of the sleeve extends into the cavity, the sleeve is connected with the rotating rod through a first one-way bearing in the sleeve, the two ends of the rotating rod penetrate through the sleeve and extend into the cavity, and is connected with a first, the other end of bull stick extends to the outside of the VR glasses body, the dead opposite direction of lock of first one-way bearing and the one-way bearing of second, fixed cover has the second gear on the sleeve pipe outer wall in the cavity, and two second pivots are located respectively the both sides of first gear and second gear, fixed cover has the third gear with second gear engagement in one of them second pivot, and fixed cover has the fourth gear with first gear engagement in another second pivot, is equipped with the fifth gear with the tooth engagement on the adjacent lens frame outer wall in two second pivots respectively.

2. The vision training apparatus with adjustable vision of claim 1, characterized in that: and two side walls of the cavity are provided with limiting holes.

3. The vision training apparatus with adjustable vision of claim 1, characterized in that: one end of the lens frame passes through the opening to be meshed with the fifth gear.

4. The vision training apparatus with adjustable vision of claim 1, characterized in that: and a supporting disc is fixed at the bottom end of the rotating rod in the cavity, and the bottom of the first gear is in contact with the supporting disc.

5. The vision training apparatus with adjustable vision of claim 1, characterized in that: the outer wall of the top of the VR glasses body is fixed with a cover plate for sealing the round hole, the other end of the rotating rod penetrates through the cover plate and is fixed with a rotating handle, and anti-skid grains are arranged on the outer wall of the rotating handle.

6. The vision training apparatus with adjustable vision of claim 1, characterized in that: the fourth gear is located below the third gear.

7. The vision training apparatus with adjustable vision of claim 1, characterized in that: both sides wall of the VR glasses body all is wave structure.

8. The vision training apparatus with adjustable vision of claim 1, characterized in that: the axis of the second rotating shaft is parallel to the central line of the lens.

9. The vision training apparatus with adjustable vision of claim 1, characterized in that: a supporting block is fixed on one side wall of the partition plate, and the bottom of the first rotating shaft is rotatably connected with the supporting block.

10. The vision training apparatus with adjustable vision of claim 1, characterized in that: the two display screens are respectively positioned between the cavity and the partition board, and the two display screens are positioned on different sides of the cavity.