CN215837735U

CN215837735U - Myopia-preventing chair for pupils

Info

Publication number: CN215837735U
Application number: CN202023107479.9U
Authority: CN
Inventors: 吴秋彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-02-18
Anticipated expiration: 2030-12-21

Abstract

The utility model provides a myopia-preventing seat for pupils, which comprises a seat main body, wherein the seat main body comprises a base, a cushion, a backrest and a fixing device, the base is placed on the ground, an upper cover is arranged above the base, the cushion is laid above the upper cover, the backrest is fixed above the base, the part of the back surface of the base, which extends upwards, is the backrest, and the surface, close to the back, of the backrest is the front surface, the myopia-preventing seat has the beneficial effects that: the back is provided with the fixing device capable of moving back and forth, the fixing device supports the back of a student through the baffle, the front and back distances are adjusted according to different body types, the fixing device is the same as a normal seat, the fixing device can directly stand up when a student stands up to answer questions, the constraint feeling can not be generated, the student can be guaranteed to keep the correct sitting posture when the student is in class, the purpose of preventing myopia is achieved, and the fixing device can be retracted to be in a relaxed state when the student leaves class, so that the labor and leisure combination is achieved.

Description

Myopia-preventing chair for pupils

Technical Field

The utility model relates to the technical field of teaching seats, in particular to a myopia-preventing seat for pupils.

Background

In recent years, the incidence rate of myopia in China is on a remarkable rising trend, and myopia has become a great public health problem affecting the eye health of the national people, particularly teenagers. The most common ophthalmic diseases are listed as one of three diseases in the world, and the incidence rate of myopia of the population in China is about 33 percent and is 1.5 times of the average level in the world.

Especially, the myopia rate of students is obviously increased, the age group of the myopia crowd is obviously reduced, and the primary school students have poor control capability on their own restraint due to small age, and usually need parents to take care of the myopia rate when reading or writing. The prior chair mostly adopts a strap mode to restrain students, the strap is similar to a schoolbag in shape, the students have a restraining feeling to generate a resistance psychology for a long time, a fixed fence is arranged at the front side of the body, the body is prevented from inclining forwards through a transverse railing, a baffle plate is arranged at the front side of the body, a support plate is arranged at the knee to ensure the sitting posture of the body,

the school time of student is greater than at home time, the in-process of having class at school more needs the adjustment position of sitting to come the prevention myopia, and the myopia prevention seat structure among the prior art is complicated, and this type of seat is fit for using at home, is not suitable for the occasion student operation difficulty that this kind of people is many in classroom, also does not benefit to the unified management of school, and the seat of school can cause a large amount of noises when the student stands owing to the metal material or wooden of adoption in addition, influences holistic atmosphere of studying.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the utility model provides a myopia-preventing chair for pupils.

The utility model discloses a myopia-preventing seat for pupils, which comprises a seat main body, wherein the seat main body comprises a base, a cushion, a backrest and a fixing device, the base is placed on the ground, an upper cover is arranged above the base, the cushion is laid above the upper cover, the backrest is fixed above the base, the part of the back surface of the base, which extends upwards, is the backrest, the surface, close to the back, of the backrest is the front surface, a groove is formed in the middle of the backrest, and the fixing device penetrates through the groove and is fixed with the backrest; fixing device includes button, baffle, ejector pin, carousel, spout, reset spring and support, the button is installed the back of back, ejector pin one end is connected the button, the ejector pin other end is connected the carousel, the spout is seted up the ejector pin with the junction of carousel, the carousel with the spout meshing, the support is fixed the baffle back, the support other end is connected reset spring, reset spring installs inside the ejector pin.

On this basis, the base is the hollow cuboid that does not have the bottom surface, is convenient for accomodate.

On this basis, the upper cover is detachably arranged, so that articles can be conveniently placed into the base.

On this basis, the cushion is the same with the size of upper cover area.

On this basis, the backrest is a bent rectangle, and the width of the backrest is the same as that of the base.

On this basis, the thickness of the baffle plate is smaller than that of the backrest.

On this basis, the cushion is saddle form cushion, guarantees the comfort level of sitting for a long time.

On the basis, the baffle is in a curved fan shape, and the contact area with the back is ensured.

On the basis, the bending degree of the backrest is the same as that of the baffle plate.

On this basis, the support is collapsible support, according to the length of different size adjustment supports.

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

(1) according to the myopia-preventing chair for the pupils, the fixing device capable of moving back and forth is mounted on the backrest, the fixing device abuts against the backs of the pupils through the baffle plate, the front and back distance is adjusted according to different body types, the chair is the same as a normal chair, the pupils can stand up directly when standing up in class to answer questions, no constraint feeling is generated, the pupils can be guaranteed to keep a correct sitting posture when going to class, the purpose of preventing myopia is achieved, and the chair can be retracted to be in a relaxed state when going to class, so that the combination of labor and ease is achieved.

(2) According to the myopia-preventing seat for pupils, the base is arranged to be a hollow cuboid and used for containing books, the stability of the whole seat is guaranteed after the weight of the base is achieved, noise cannot be easily generated due to friction with the ground, a good learning atmosphere is provided, the height and the width of the seat are uniform, the seat is kept consistent and convenient to use repeatedly, the main body of the seat is simple in structure, reasonable in layout and convenient and fast to operate, and operation of students at all ages is facilitated.

Drawings

FIG. 1 is a schematic view of the anti-myopia chair for pupils of this invention;

FIG. 2 is a schematic diagram of the right view structure of the myopia-preventing chair for pupils;

fig. 3 is an enlarged structure schematic diagram of the myopia-preventing chair for pupils of the utility model at the A position.

In the figure: 1. the base, 2, cushion, 3, baffle, 4, back, 5, upper cover, 6, support, 7, carousel, 8, spout, 9, reset spring, 10, button, 11, recess, 12, ejector pin.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The utility model discloses a myopia-preventing seat for pupils, which comprises a seat main body and is characterized in that the seat main body comprises a base 1, a cushion 2, a backrest 4 and a fixing device, wherein the base 1 is placed on the ground, an upper cover 5 is installed above the base 1, the cushion 2 is laid above the upper cover 5, the backrest 4 is fixed above the base 1, the part of the back surface of the base 1 extending upwards is the backrest 4, the surface of the backrest 4 close to the back is the front surface, a groove 11 is formed in the middle of the backrest 4, and the fixing device penetrates through the groove 11 to be fixed with the backrest 4; fixing device includes button 10, baffle 3, ejector pin 12, carousel 7, spout 8, reset spring 9 and support 6, button 10 is installed the back of back 4, ejector pin 12 one end is connected button 10, the ejector pin 12 other end is connected carousel 7, spout 8 is seted up ejector pin 12 with the junction of carousel 7, carousel 7 with spout 8 meshes, support 6 is fixed the 3 backs of baffle, the support 6 other end is connected reset spring 9, reset spring 9 installs inside ejector pin 12.

In the present embodiment, the base 1 is a hollow rectangular parallelepiped without an upper bottom surface as a preferred embodiment of the present invention.

As a preferred embodiment of the present invention, in the present embodiment, the upper cover 5 is detachably attached.

In the present embodiment, as a preferred embodiment of the present invention, the seat cushion 2 and the upper cover 5 have the same area.

In the preferred embodiment of the present invention, the backrest 4 is a curved rectangle, and the width of the backrest 4 is the same as the width of the base 1.

As a preferred embodiment of the present invention, in the present embodiment, the thickness of the baffle 3 is smaller than the thickness of the backrest 4.

In the present embodiment, as a preferred embodiment of the present invention, the seat cushion 2 is a saddle-shaped cushion.

In the present embodiment, the baffle 3 is a curved fan shape as a preferred embodiment of the present invention.

As a preferred embodiment of the present invention, in the present embodiment, the backrest 4 is bent to the same degree as the baffle 3.

In the present embodiment, the support 6 is a retractable support, which is a preferred embodiment of the present invention.

The working principle of the utility model is as follows: in the actual use process, the base 1 is a hollow cuboid without an upper bottom surface and used for containing and storing books, the base 1 is placed on the ground, the overall stability of the seat is guaranteed after the seat is heavy, noise cannot be easily generated due to friction with the ground, a good learning atmosphere is provided, the upper cover 5 is detachably mounted above the base 1, and the saddle-shaped cushion 2 is arranged above the upper cover 5, so that the comfort level of long-time sitting is guaranteed; a groove 11 is formed in the middle of a backrest 4, a fixing device penetrates through the groove 11 to be fixed with the backrest 4, the fixing device comprises a button 10, a baffle 3, a push rod 12, a rotary table 7, a sliding groove 8, a reset spring 9 and a support 6, the button 10 on the back of the backrest 4 is pressed, the button 10 is connected with the reset spring 9, the reset spring 9 is installed inside the push rod 12, the push rod 12 moves along the sliding groove 8 to press the rotary table 7 to move, the rotary table 7 is engaged with the sliding groove 8, when the rotary table 7 is disengaged from the sliding groove 8, the tip of the push rod 12 generates radial force at the inclined plane of the rotary table 7 to press the rotary table 7 to rotate, the baffle 3 fixed on the support 6 to be popped out, the support 6 is a retractable support, the length of the support 6 is adjusted according to different body types, the baffle 3 is in a bent fan shape to be attached to the back without generating constraint feeling, a student can keep a correct sitting posture during school time, and the purpose of preventing myopia can be achieved, can retrieve when giving class and be in the state of relaxing, accomplish the ease combination, the height and the width of seat are unified, keep unanimous the used repeatedly of being convenient for, seat main structure is simple, and is rationally distributed, and the simple operation is convenient for each age bracket student operation.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed," "padded," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a pupil's myopia prevention seat, includes the seat main part, its characterized in that: the seat main body comprises a base (1), a cushion (2), a backrest (4) and a fixing device, wherein the base (1) is placed on the ground, an upper cover (5) is installed above the base (1), the cushion (2) is laid above the upper cover (5), the backrest (4) is fixed above the base (1), the backrest (4) extends upwards from the back surface of the base (1), the surface, close to the back, of the backrest (4) is the front surface, a groove (11) is formed in the middle of the backrest (4), and the fixing device penetrates through the groove (11) to be fixed with the backrest (4);

fixing device includes button (10), baffle (3), ejector pin (12), carousel (7), spout (8), reset spring (9) and support (6), install button (10) the back of back (4), ejector pin (12) one end is connected button (10), ejector pin (12) other end is connected carousel (7), spout (8) are seted up ejector pin (12) with the junction of carousel (7), carousel (7) with spout (8) meshing, support (6) are fixed baffle (3) the back, support (6) other end is connected reset spring (9), reset spring (9) are installed inside ejector pin (12).

2. A pupil myopia prevention seat according to claim 1, wherein: the base (1) is a hollow cuboid without an upper bottom surface.

3. A pupil myopia prevention seat according to claim 1, wherein: the upper cover (5) is detachably mounted.

4. A pupil myopia prevention seat according to claim 1, wherein: the cushion (2) is the same as the upper cover (5) in area.

5. A pupil myopia prevention seat according to claim 1, wherein: the backrest (4) is in a bent rectangular shape, and the width of the backrest (4) is the same as that of the base (1).

6. A pupil myopia prevention seat according to claim 1, wherein: the thickness of the baffle (3) is smaller than that of the backrest (4).

7. A pupil myopia prevention seat according to claim 1, wherein: the cushion (2) is a saddle-shaped cushion.

8. A pupil myopia prevention seat according to claim 1, wherein: the baffle (3) is in a curved fan shape.

9. A pupil myopia prevention seat according to claim 1, wherein: the backrest (4) is bent to the same degree as the baffle (3).

10. A pupil myopia prevention seat according to claim 1, wherein: the support (6) is a retractable support.