CN217791947U

CN217791947U - Learning auxiliary device with myopia prevention function

Info

Publication number: CN217791947U
Application number: CN202220217332.5U
Authority: CN
Inventors: 赵富强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-11-15
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a study auxiliary device with prevention myopia function relates to study auxiliary device field, include: the bottom of the base is provided with a sucker, and the connecting seats are fixedly connected to two sides of the top end of the base; the supporting plate is rotatably connected to the inner side of the connecting seat; a receiving groove formed at one end of the base; the moving mechanism with the toothed plate and the meshing rack is arranged in the base and used for adjusting the distance between a reader and a book. The utility model is provided with the moving mechanism and the baffle plate, the baffle plate is blocked at the position in front of the chest of the student, and the length of the moving mechanism is adjusted, so as to assist the student to place the book at a proper position and correct the reading habit; through setting up block mechanism, the angle of accessible regulation backup pad to adjust books and place the angle, can form effective spacing after the regulation is accomplished simultaneously, and have the characteristics that the noise is little in the adjustment process.

Description

Learning auxiliary device with myopia prevention function

Technical Field

The utility model relates to a study auxiliary device field specifically is a study auxiliary device with prevention myopia function.

Background

Myopia is one of the refractive errors. When the eye is in a relaxed accommodation state, parallel rays of light enter the eye and are focused in front of the retina, which results in no clear image being formed on the retina, called myopia, and in most student groups, due to incorrect reading posture, the distance between the eye and the book is too tight, which leads to myopia for a long time.

However, currently, due to the long-term reading habit, students unconsciously hold books too close, and therefore need to be supervised and urged by parents or teachers, which is very inconvenient, and therefore, a learning auxiliary device with the function of preventing myopia is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: in order to solve the above-mentioned problems in the background art, a learning aid having a function of preventing myopia is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a learning aid with myopia prevention functionality, comprising: the bottom of the base is provided with a sucker, and the connecting seats are fixedly connected to two sides of the top end of the base; the supporting plate is rotatably connected to the inner side of the connecting seat; a receiving groove formed at one end of the base; the moving mechanism is provided with a toothed plate and an occlusion rack, is arranged in the base and is used for adjusting the distance between a reader and a book; the baffle is fixedly connected to the end part of the moving mechanism; the connecting shaft is arranged on one side of the connecting seat and is rotatably connected with the bottom ends of the two sides of the supporting plate; the clamping mechanism with the rubber bumps is arranged inside the connecting seat and penetrates through the outer portion of the connecting seat to limit the position of the supporting plate.

As a further aspect of the present invention: the moving mechanism further comprises a strip-shaped groove formed in the base, a limiting plate is connected to the inner cavity of the strip-shaped groove in a sliding mode, and a telescopic column penetrating to the outside of the base is arranged at one end of the limiting plate;

the pinion rack is located one side of flexible post, one side meshing of flexible post has the interlock rack, the top of interlock rack is connected with the double-screw bolt with base threaded connection, the top of double-screw bolt is connected with the handle.

As a further aspect of the present invention: the clamping mechanism is characterized by further comprising a circular groove formed in the connecting seat, an European spring is arranged in an inner cavity of the circular groove, one end of the spring is connected with a moving plate connected with the circular groove in a sliding mode, one end of the moving plate is provided with a limiting block penetrating through the connecting seat, and a plurality of rubber bumps are arranged on the outer side, located at the limiting block, of one end of the moving plate in a circular and equidistant mode.

As a further aspect of the present invention: a shaft hole which is matched with the outer wall of the connecting shaft is formed in the connecting position of the supporting plate and the connecting shaft, and a plurality of limiting holes which are matched with the spherical end part of the moving plate are formed in the supporting plate in a circular shape at equal intervals; the connecting seat is provided with the hemisphere groove with the rubber bump position of contacting, the diameter of hemisphere groove is less than the diameter of rubber bump.

As a further aspect of the present invention: the height of the toothed plate is half of that of the telescopic column, and the height of the meshing rack is equal to that of the telescopic column.

As the utility model discloses further scheme again: the inside of base is provided with the cell body that supplies the interlock rack to remove, the height of cell body is the twice of interlock rack height.

As a further aspect of the present invention: the inner chamber of holding tank is identical with the outer wall of baffle, and the inner wall of holding tank is provided with positive magnet, the inside of baffle is provided with negative magnet.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the moving mechanism and the baffle are arranged, the baffle is blocked at the position in front of the chest of the student, and the length of the moving mechanism is adjusted, so that the student is assisted in placing books at a proper position, and the reading habit is corrected;

2. through setting up block mechanism, the angle of accessible regulation backup pad to adjust books and place the angle, can form simultaneously after the regulation is accomplished effectively spacingly, and have the characteristics that the noise is little in the accommodation process.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the moving mechanism of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

FIG. 4 is a schematic structural view of the engaging mechanism of the present invention;

fig. 5 is an enlarged view of the point B in fig. 4 according to the present invention.

In the figure: 1. a base; 2. a support plate; 3. a connecting seat; 4. accommodating grooves; 5. a baffle plate; 6. a moving mechanism; 601. a strip-shaped groove; 602. a limiting plate; 603. a telescopic column; 604. a toothed plate; 605. an engaging rack; 606. a stud; 607. a handle; 7. a connecting shaft; 8. a clamping mechanism; 801. a circular groove; 802. a spring; 803. moving the plate; 804. rubber bumps; 805. and a limiting block.

Detailed Description

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

Referring to fig. 1 to 5, in an embodiment of the present invention, an auxiliary learning device with myopia prevention function includes:

the base 1 is provided with a sucker at the bottom and the connecting seats 3 are fixedly connected with the two sides of the top end of the base 1; a support plate 2 rotatably connected to the inner side of the connecting base 3; a receiving groove 4 formed at one end of the base 1; the moving mechanism 6 with a toothed plate 604 and an occlusion rack 605 is arranged inside the base 1 and used for adjusting the distance between a reader and a book; a baffle 5 fixedly connected with the end part of the moving mechanism 6; the connecting shaft 7 is arranged on one side of the connecting seat 3, and the connecting shaft 7 is rotatably connected with the bottom ends of the two sides of the supporting plate 2;

the clamping mechanism 8 with the rubber bumps 804 is arranged inside the connecting seat 3, penetrates through the outside of the connecting seat 3 and is used for limiting the position of the supporting plate 2; the inner chamber of holding tank 4 is identical with the outer wall of baffle 5, and the inner wall of holding tank 4 is provided with positive magnet, and the inside of baffle 5 is provided with negative magnet.

In this embodiment: firstly, when using this device, place the sucking disc of base 1 bottom on the desktop now, make sucking disc and desktop inhale mutually, increase the stability that the device was placed at the desktop, later through rotating backup pad 2, backup pad 2 is rotating the in-process and is contacting with block mechanism 8, it is spacing to rotate to finish the back formation, make backup pad 2 reach the angle of putting books, later through pulling baffle 5, make baffle 5 and the inner wall separation of holding tank 4, baffle 5 drives moving mechanism 6 and removes to the external world from base 1's inner wall, later lock moving mechanism 6 again, reach the distance between injecing reader and the books.

Referring to fig. 2 and fig. 3, the moving mechanism 6 further includes a bar-shaped groove 601 formed inside the base 1, an inner cavity of the bar-shaped groove 601 is slidably connected with a limiting plate 602, and one end of the limiting plate 602 is provided with a telescopic column 603 penetrating to the outside of the base 1;

the toothed plate 604 is arranged on one side of the telescopic column 603, one side of the telescopic column 603 is meshed with an engagement rack 605, the top end of the engagement rack 605 is connected with a stud 606 in threaded connection with the base 1, and the top end of the stud 606 is connected with a handle 607;

the height of the toothed plate 604 is half of the height of the telescopic column 603, and the height of the meshing rack 605 is equal to the height of the telescopic column 603;

the inside of base 1 is provided with the cell body that supplies interlock rack 605 to remove, and the height of cell body is the twice of interlock rack 605 height.

In this embodiment: when baffle 5 drives flexible post 603 and removes, flexible post 603 drives the limiting plate 602 and slides in the inner chamber of bar groove 601, pinion rack 604 misplaces each other with interlock rack 605 this moment, the spacing effect of unable formation interlock, after flexible post 603 removes to suitable position, through rotating handle 607, handle 607 drives double-screw bolt 606 and rotates, because double-screw bolt 606 passes through threaded connection with base 1, double-screw bolt 606 drives interlock rack 605 and moves down this process, interlock rack 605 and pinion rack 604 interlock each other this moment, thereby it is spacing to flexible post 603 formation, prevent that it from taking place to remove under the exogenic action.

Please refer to fig. 4 and 5, the engaging mechanism 8 further includes a circular groove 801 formed inside the connecting seat 3, an european spring 802 is disposed in an inner cavity of the circular groove 801, one end of the spring 802 is connected to a moving plate 803 slidably connected to the circular groove 801, one end of the moving plate 803 is provided with a stopper 805 penetrating to the outside of the connecting seat 3, and one end of the moving plate 803 is disposed outside the stopper 805 and is provided with a plurality of rubber bumps 804 in a circular shape and at equal intervals;

a shaft hole which is matched with the outer wall of the connecting shaft 7 is formed in the connecting position of the supporting plate 2 and the connecting shaft 7, and a plurality of limiting holes which are matched with the spherical end part of the moving plate 803 are formed in the supporting plate 2 in a circular shape at equal intervals; a semi-spherical groove is arranged at the contact position of the connecting seat 3 and the rubber convex point 804, and the diameter of the semi-spherical groove is smaller than that of the rubber convex point 804.

In this embodiment: when the angle of the support plate 2 is adjusted, external force of the support plate 2 is applied to drive the support plate 2 to rotate, when the support plate 2 rotates, a limiting hole in the support plate 2 and a spherical end of a limiting block 805 are extruded, in the extrusion process, the spherical end of the limiting block 805 is stressed and moved, the limiting block 805 drives the moving plate 803 to move, so that the spring 802 is compressed, after the limiting block 805 is aligned with the limiting hole, the limiting block 805 pops out under the action of resetting force of the spring 802, in the popping process, the moving plate 803 drives the rubber bumps 804 to contact with the end part of the inner wall of the circular groove 801, before contact, lines of the rubber bumps 804 are in contact with the hemispherical groove, and as the diameter of the hemispherical groove is smaller than that of the rubber bumps 804, in the process, the rubber bumps 804 are stressed and deformed to form resistance and buffer force, so that impact force when the moving plate 803 resets is reduced, and the effect of reducing noise is achieved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A learning aid having a myopia prevention function, comprising:

the base (1) is provided with a sucker at the bottom, and the connecting seats (3) are fixedly connected to two sides of the top end of the base (1);

the supporting plate (2) is rotatably connected to the inner side of the connecting seat (3);

a receiving groove (4) formed at one end of the base (1);

the moving mechanism (6) is provided with a toothed plate (604) and an occlusion rack (605), is arranged in the base (1), and is used for adjusting the distance between a reader and a book;

the baffle (5) is fixedly connected to the end part of the moving mechanism (6);

the connecting shaft (7) is arranged on one side of the connecting seat (3), and the connecting shaft (7) is rotatably connected with the bottom ends of the two sides of the supporting plate (2);

the clamping mechanism (8) with the rubber bumps (804) is arranged inside the connecting seat (3), penetrates through the outside of the connecting seat (3) and is used for limiting the position of the supporting plate (2).

2. The learning auxiliary device with the myopia prevention function according to claim 1, wherein the moving mechanism (6) further comprises a strip-shaped groove (601) formed inside the base (1), a limiting plate (602) is connected to an inner cavity of the strip-shaped groove (601) in a sliding manner, and a telescopic column (603) penetrating to the outside of the base (1) is arranged at one end of the limiting plate (602);

the pinion rack (604) is arranged on one side of the telescopic column (603), one side of the telescopic column (603) is meshed with an engagement rack (605), the top end of the engagement rack (605) is connected with a stud (606) in threaded connection with the base (1), and the top end of the stud (606) is connected with a handle (607).

3. The learning assisting device with the myopia prevention function according to claim 1, wherein the engaging mechanism (8) further comprises a circular groove (801) formed inside the connecting seat (3), a spring (802) is disposed in an inner cavity of the circular groove (801), a moving plate (803) slidably connected with the circular groove (801) is connected to one end of the spring (802), a limiting block (805) penetrating through the connecting seat (3) is disposed at one end of the moving plate (803), and a plurality of rubber bumps (804) are disposed at equal intervals in a circular shape on an outer side of the limiting block (805) at one end of the moving plate (803).

4. The learning auxiliary device with the function of preventing myopia according to claim 3, characterized in that a shaft hole matched with the outer wall of the connecting shaft (7) is arranged at the connecting position of the supporting plate (2) and the connecting shaft (7), and a plurality of limiting holes matched with the spherical end part of the moving plate (803) are formed in the supporting plate (2) in a circular shape at equal intervals; a semi-spherical groove is formed in the contact position of the connecting seat (3) and the rubber convex point (804), and the diameter of the semi-spherical groove is smaller than that of the rubber convex point (804).

5. A learning aid with myopia prevention function according to claim 2, wherein the height of the toothed plate (604) is half of the height of the telescopic column (603), and the height of the engagement rack (605) is equal to the height of the telescopic column (603).

6. The learning auxiliary device with the myopia prevention function according to claim 2, wherein a groove body for the movement of the occlusion rack (605) is arranged inside the base (1), and the height of the groove body is twice of the height of the occlusion rack (605).

7. The learning auxiliary device with the function of preventing myopia according to claim 1, wherein the inner cavity of the accommodating groove (4) is matched with the outer wall of the baffle plate (5), the inner wall of the accommodating groove (4) is provided with a positive magnet, and the inside of the baffle plate (5) is provided with a negative magnet.