CN213030299U

CN213030299U - Chair for vision correction

Info

Publication number: CN213030299U
Application number: CN202021786510.3U
Authority: CN
Inventors: 刘良; 黄洪有; 帅培军
Original assignee: Ba Renqiao Chengdu Health Management Co ltd
Current assignee: Ba Renqiao Chengdu Health Management Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-04-23
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a chair for vision correction, which comprises a cushion and a chair back, wherein the chair back is positioned above the cushion, the cushion is fixedly arranged on a base through a bracket, and two sides of the cushion are provided with chutes; the bottom of the chair back is provided with two support columns, and the support columns are provided with slide rails which are matched with the slide grooves to slide; the chair back is provided with a waistband, and two ends of the waistband are respectively provided with a buckle which can be used in a matched manner; and pulleys are arranged at the bottom of the supporting column. This device adapts to the crowd of different heights through the slip back of the chair, and the different width of seat and back of the chair, then has guaranteed that the user of different weight also can be suitable for, and this belt is that the people that will use this device ties up on the back of the chair to guarantee to keep back straight when reading, writing the operation, make eyes can keep away from textbook, books, can not cause the appearance of myopia.

Description

Chair for vision correction

Technical Field

The utility model relates to an article for use field of vision correction, specifically speaking relates to a seat for vision correction.

Background

The majority of people with myopia are non-pathological, or the majority of myopia is not a disease, but rather a vision function decline and a vision function compensation change caused by poor eye way, and the root cause is that people see too close things or lack of exercise for looking far away. The dangers of myopia are many and inconvenient: after children wear the glasses with myopia, the glasses are broken due to lively and movable and careless impact, so that the eyes of the light people are pricked and the serious people are blinded. If the children get short sight, if the children do not wear the glasses, the children cannot see clearly the words, and if the children choose to wear the glasses, the children are easy to have visual fatigue, the children are not concentrated in attention, and the learning achievement is reduced. Therefore, during the learning process of the children, the people need to pay special attention to the sitting posture problem of the children so as to prevent the shortsightedness of the glasses caused by the fact that the eyes of the children are too close to the textbook. So the utility model provides a seat for eyesight correction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seat for eyesight correction, this device adapts to child's height and shape through the regulation of the back of the chair, makes child can reach the best effect when using this device. And the design of the waistband can ensure that the back of the child is always attached to the chair back, so that the eyes can be far away from the textbook, and the problem that the eyes are too close to a desk and the textbook and are short-sighted is avoided. And the back can be straightened for a long time, so that the body posture of the child can be more upright after the child grows up later.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

a chair for vision correction, which comprises a cushion and a chair back, wherein the chair back is positioned above the cushion,

the cushion is fixedly arranged on the base through a bracket, and sliding grooves are formed in two sides of the cushion;

the bottom of the chair back is provided with two support columns, and the support columns are provided with slide rails which are matched with the slide grooves to slide; the chair back is provided with a waistband, and two ends of the waistband are respectively provided with a buckle which can be used in a matched manner;

fasteners are respectively arranged on two sides of the chair back;

and pulleys are arranged at the bottom of the supporting column.

Further, the fastener comprises a handle, a connecting block and a pressing block, a spring is arranged between the handle and the chair back, and the connecting block is arranged at the bottom of the handle; two ends of the connecting block are respectively provided with a pressing block, and the pressing blocks are positioned in the sliding grooves; and a magnet is arranged at the bottom of the pressing block.

Furthermore, an iron block which is matched with the magnet for use is arranged in the sliding groove.

Further, the width of the chair back is larger than that of the seat cushion.

Furthermore, the support columns are respectively positioned at two sides of the bottom of the chair back.

Furthermore, the number of the waistbands is 2, and the waistbands are separately arranged on the chair back.

Further, the width of the seat and the width of the chair back are 30-60 cm.

Further, the sliding direction of the pulley is consistent with the front-back direction of the seat cushion.

Compared with the prior art, the utility model, the beneficial effect who has is as follows:

an object of the utility model is to provide a seat for vision correction, this device adapts to the crowd of different heights through the slip back of the chair, and the different width of seat and the back of the chair, and then the user of having guaranteed different weights also can be suitable for, and this is tied up the people that will use this device on the back of the chair for the waistband is tied up to guarantee to keep the back straight when reading, writing the operation, makes eyes can keep away from textbook, books, can not cause the appearance of myopia. If the child uses the device for a long time, the child can have a more upright posture.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a block diagram of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a rear view of the present invention;

FIG. 4 is a view of the fastener structure of the present invention;

fig. 5 is a cross-sectional view of the present invention except for the support post and the pulley.

Description of reference numerals: 1. a cushion; 2. a chair back; 3. a support; 4. a base; 5. a chute; 6. a pulley; 7. a support pillar; 8. a waistband; 9. buckling; 10. a slide rail; 11. a handle; 12. connecting blocks;

13. briquetting; 14. a spring; 15. an iron block; 16. and (4) a magnet.

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. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the utility model.

Specific example 1 is as follows:

as shown in fig. 1-5, a chair for vision correction comprises a seat cushion 1 and a chair back 2, wherein the chair back 2 is positioned above the seat cushion 1, the seat cushion 1 is fixedly arranged on a base 4 through a bracket 3, and sliding grooves 5 are arranged on two sides of the seat cushion 1; two support columns 7 are arranged at the bottom of the chair back 2, and slide rails 10 which are matched with the slide grooves 5 to slide are arranged on the support columns 7; a waistband 8 is arranged on the chair back 2, and two ends of the waistband 8 are respectively provided with a buckle 9 which can be used in a matched manner;

fasteners are respectively arranged on two sides of the chair back 2;

and the bottom of the supporting column 7 is provided with a pulley 6.

Further, the fastener comprises a handle 11, a connecting block 12 and a pressing block 13, a spring 14 is arranged between the handle 11 and the chair back 2, and the connecting block 12 is installed at the bottom of the handle 11; two ends of the connecting block 12 are respectively provided with a pressing block 13, and the pressing blocks 13 are positioned in the sliding grooves 5; the bottom of the pressing block 13 is provided with a magnet 16.

Further, an iron block 15 which is matched with a magnet 16 for use is arranged in the chute 5.

Further, the connecting block 12 and the pressing block 13 are arranged in a T shape.

Further, the width of the chair back 2 is larger than that of the seat cushion 1.

Furthermore, the support columns 7 are respectively positioned at two sides of the bottom of the chair back 2.

Further, the number of the waist belts 8 is 2, and the waist belts are separately arranged on the chair back 2.

Further, the width of the seat 1 and the backrest 2 is 30-60 cm.

Further, the sliding direction of the pulley 6 coincides with the front-rear direction of the seat cushion 1.

Example 2: when the width of the chair 1 and the width of the chair back 2 are both 30cm, the chair is suitable for students who read primary schools and have standard height and weight.

Example 3: when the width of the chair 1 and the width of the chair back 2 are both 60cm, the chair is suitable for people with slightly fat weight in work.

The working principle is as follows: when needs use this seat, place the base 4 of this seat in suitable position earlier, the user sits on cushion 1, then the position of the adjustment back of the chair 2, if improper, then slide rail 10 on the sliding support post 7, up lift handle 11, make magnet 16 and iron plate 15 separate, then the user sits on cushion 1, lean on closely on the back of the chair 2 when the back, the position is transferred to suitable back, release handle 11, spring 14 resets, oppression handle 11 drives connecting block 12, briquetting 13 is downward, make magnet 16 and iron plate 15 adsorb together, play the effect of the fixed back of the chair. Finally, the waistband 8 is tied on the waist and the chest of the user, so that the whole back of the user is straight, and the eyes are far away from textbooks and books, thereby preventing the myopia of the eyes.

The utility model has the advantages that: the chair back that can slide has adapted to different height crowds for the user of different heights, weight homoenergetic is straight back, and textbook, books are kept away from to eyes, the condition of myopia can not appear.

The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.

Claims

1. A chair for vision correction, which comprises a cushion (1) and a chair back (2), wherein the chair back (2) is positioned above the cushion (1),

the method is characterized in that: the seat cushion (1) is fixedly arranged on the base (4) through the bracket (3), and the two sides of the seat cushion (1) are provided with the sliding grooves (5);

two supporting columns (7) are arranged at the bottom of the chair back (2), and sliding rails (10) which are matched with the sliding grooves (5) to slide are arranged on the supporting columns (7); a waistband (8) is arranged on the chair back (2), and two ends of the waistband (8) are respectively provided with a buckle (9) which can be used in a matched manner;

fasteners are respectively arranged on two sides of the chair back (2);

and pulleys (6) are arranged at the bottoms of the supporting columns (7).

2. A seat for vision correction as recited in claim 1, wherein: the fastener comprises a handle (11), a connecting block (12) and a pressing block (13), a spring (14) is arranged between the handle (11) and the chair back (2), and the connecting block (12) is installed at the bottom of the handle (11); two ends of the connecting block (12) are respectively provided with a pressing block (13), and the pressing blocks (13) are positioned in the sliding grooves (5); and a magnet (16) is arranged at the bottom of the pressing block (13).

3. A seat for vision correction as recited in claim 1, wherein: and an iron block (15) which is matched with the magnet (16) for use is arranged in the chute (5).

4. A seat for vision correction as recited in claim 1, wherein: the width of the chair back (2) is larger than that of the cushion (1).

5. A seat for vision correction as recited in claim 1, wherein: the supporting columns (7) are respectively positioned at two sides of the bottom of the chair back (2).

6. A seat for vision correction as recited in claim 1, wherein: the number of the waistbands (8) is 2, and the waistbands are separately arranged on the chair back (2).

7. A seat for vision correction as recited in claim 1, wherein: the width of the cushion (1) and the width of the chair back (2) are 30-60 cm.

8. A seat for vision correction as recited in claim 1, wherein: the sliding direction of the pulley (6) is consistent with the front and back direction of the cushion (1).