CN216627838U

CN216627838U - Noon break desk chair backrest with bilateral anti-roll structure that falls

Info

Publication number: CN216627838U
Application number: CN202123300764.7U
Authority: CN
Inventors: 曹宇轩; 谢霖峰; 章超
Original assignee: Hunan Gaosheng Hongfu Furniture Co ltd; Wuhu Donggang Furniture Sales Co ltd; Qingdao Zhengling Molding Technology Co ltd
Current assignee: Hunan Gaosheng Hongfu Furniture Co ltd; Qingdao Zheng Ling Molding Technology Co ltd; Wuhu Donggang Furniture Sales Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-31
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to the technical field of desks and chairs, in particular to a chair backrest for noon break desk with a bilateral anti-rolling structure, which comprises a desk plate and two baffle plates, wherein a desk belly is fixed in the middle of the outer wall of the bottom of the desk plate, supporting blocks are fixed in the middle of two sides of the outer wall of the bottom of the desk belly, supporting legs are fixed on the outer walls of bottom plates of the two supporting blocks, the top of the outer wall of one side of each supporting leg is fixed with the same mounting plate, and the two baffle plates are symmetrically distributed on two sides of the desk plate. The two screw rods are rotated to be in threaded fit with the two sliding parts, so that the two baffle plates are lifted, then the four electric telescopic rods can drive the two wear-resisting blocks to be in contact with the ground, the integral stability is improved, the condition that the roller wheels of students and the table and chair turn over can be avoided, the collecting bag can be used for storing books or learning tools, the whole structure is simple to arrange, the students can operate independently, and the normal use of the desk by the students cannot be influenced.

Description

Noon break desk chair backrest with bilateral anti-roll structure that falls

Technical Field

The utility model relates to the technical field of desk and chair, in particular to a backrest of a desk for noon break, which is provided with a bilateral anti-rolling structure.

Background

The desk and chair is a desk and chair used for students to attend a class, and is also called a student desk and chair and a school desk and chair. The desk and chair can be divided according to age, material and function.

At present, students often lie prone on desks for afternoon nap during noon break, but some children can turn on one's side during afternoon nap, so that the desks and the chairs are easy to turn on one's side, and the children are injured and frightened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a backrest of a desk for noon break, which is provided with a bilateral anti-rolling structure.

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

a noon break desk backrest with a bilateral anti-rolling structure comprises a desk plate and two baffles, wherein a desk belly is fixed in the middle of the outer wall of the bottom of the desk plate, supporting blocks are fixed in the middle of two sides of the outer wall of the bottom of the desk belly, supporting legs are fixed on the outer walls of bottom plates of the two supporting blocks, the top of the outer wall of one side of each supporting leg is fixed with a same placing plate, the two baffles are symmetrically distributed on two sides of the desk plate, two T-shaped chutes which are symmetrically distributed are formed in the outer wall of one side, close to the desk plate, of each baffle, a T-shaped sliding block is connected to the inner wall of each T-shaped chute in a sliding mode, and one end of each T-shaped sliding block is fixedly connected with the desk plate;

the utility model discloses a safety protection device for automobile seat, including baffle, supporting shoe, electric telescopic handle, mounting plate, connecting rod, slider, mounting plate, connecting rod, connecting plate fixed with same wear-resisting piece, the outer wall bottom of one side of baffle is fixed with the slider, and the top outer wall of slider sets up threaded hole, the inner wall screw-thread fit of threaded hole has the screw rod, and the bottom of screw rod is passed through the bearing and is connected with the mounting plate, the supporting shoe is close to one side outer wall of baffle and sets up flutedly, and the bottom inner wall of recess is fixed with the electric telescopic handle of two symmetric distributions, two the piston rod top of electric telescopic handle is fixed with same connecting plate fixed connection, and the bottom mounting of two connecting rods has same wear-resisting piece.

Preferably, a retaining ring is fixed in the middle of the outer wall of one side of the desk plate, the retaining ring is sleeved on a screw rod, and the screw rod and the inner wall of the retaining ring form a rotating fit.

Preferably, the connecting plate and the inner wall of the groove form a sliding fit, and the wear-resistant block and the outer wall of the supporting leg form a sliding fit.

Preferably, the outer wall of the bottom of the baffle is in contact with the outer wall of the top of the placing plate, and a collecting pocket is fixed on the outer wall of one side of the baffle.

Preferably, the screw is located between the two T-shaped sliders, and the two connecting rods are located between the slider and the support block.

Preferably, the electric telescopic rods are connected with switches through wires, and the switches are connected with the microprocessor through wires.

The utility model has the beneficial effects that:

1. according to the backrest of the desk chair for noon break with the double-side anti-rolling structure, the two screw rods are rotated to form threaded fit with the two sliding parts, so that the two baffle plates are lifted, then the four electric telescopic rods can operate to drive the two wear-resisting blocks to be in contact with the ground, so that the overall stability is increased, and the condition that the roller wheels of students and the desk and chair are turned on one side can be avoided;

2. this back of noon break desk chair with bilateral anti-roll structure that falls collects the pocket and can be used to deposit books or study tool, and whole structure sets up simply, and the student of being convenient for operates alone, and can not influence the student and normally use the desk.

Drawings

FIG. 1 is a schematic perspective view of a mounting plate, a baffle and a wear-resistant block of a backrest of a desk for noon break with a bilateral anti-rolling structure according to the present invention;

FIG. 2 is a schematic side view of a side perspective structure of a baffle plate of a backrest of a desk for noon break with a bilateral anti-roll-off structure according to the present invention;

fig. 3 is a schematic vertical sectional structure view of a backrest of a desk for noon break with a bilateral anti-rolling structure according to the present invention.

In the figure: the table comprises a table plate 1, a table belly 2, supporting blocks 3, supporting feet 4, a placing plate 5, a baffle 6, a sliding chute 7T-shaped, a sliding block 8T-shaped, a screw 9, a sliding part 10, a groove 11, an electric telescopic rod 12, a connecting plate 13, a connecting rod 14, a wear-resistant block 15 and a collecting pocket 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Embodiment 1, refer to fig. 1 to 3, a backrest of a desk for noon break with a bilateral anti-roll structure comprises a desk plate 1 and two baffles 6, wherein a desk belly 2 is fixed in the middle of the outer wall of the bottom of the desk plate 1, supporting blocks 3 are fixed in the middle of two sides of the outer wall of the bottom of the desk belly 2, supporting legs 4 are fixed on the outer walls of bottom plates of the two supporting blocks 3, the same placing plate 5 is fixed on the top of the outer wall of one side of each of the two supporting legs 4, the two baffles 6 are symmetrically distributed on two sides of the desk plate 1, two symmetrically distributed T-shaped chutes 7 are formed in the outer wall of one side of the baffle 6 close to the desk plate 1, T-shaped sliders 8 are slidably connected to the inner walls of the T-shaped chutes 7, and one ends of the T-shaped sliders 8 are fixedly connected to the desk plate 1;

one side outer wall bottom of baffle 6 is fixed with slider 10, and the top outer wall of slider 10 sets up threaded hole, the inner wall screw-thread fit of screw hole has screw rod 9, and the bottom of screw rod 9 is passed through the bearing and is connected with mounting plate 5, supporting shoe 3 is close to one side outer wall of baffle 6 and sets up fluted 11, and the bottom inner wall of recess 11 is fixed with the electric telescopic handle 12 of two symmetric distributions, the piston rod top of two electric telescopic handle 12 is fixed with same connecting plate 13, mounting plate 5 is close to the top outer wall of supporting shoe 3 and sets up the round mouth of two symmetric distributions, and the inner wall sliding connection of round mouth has connecting rod 14, the top and the connecting plate 13 fixed connection of two connecting rods 14, and the bottom mounting of two connecting rods 14 has same wear-resisting piece 15.

Embodiment 2, optimization is performed on the basis of embodiment 1, a retaining ring is fixed in the middle of the outer wall of one side of the desk plate 1, the retaining ring is sleeved on a screw rod 9, and the screw rod 9 and the inner wall of the retaining ring form a rotating fit;

the connecting plate 13 is in sliding fit with the inner wall of the groove 11, and the wear-resistant block 15 can be in sliding fit with the outer wall of the supporting leg 4;

the outer wall of the bottom of the baffle 6 is contacted with the outer wall of the top of the placing plate 5, and a collecting pocket 16 is fixed on the outer wall of one side of the baffle 6;

the threaded rod 9 is located between the two T-shaped slides 8 and the two connecting rods 14 are located between the slides 10 and the support block 3.

The working principle is as follows:

during the use, it forms screw-thread fit to rotate two screw rods 9 and two sliders 10, two T shape sliders 8 and T shape spout 7 form sliding fit, thereby rise two baffles 6, can avoid the student to roll off from desk board 1, then four electric telescopic handle 12 operations can drive two wear-resisting pieces 15 and ground contact, thereby increase the overall stability, avoid taking place to turn on one's side, give the student a stable comfortable environment, collect pocket 16 and can be used for depositing books or learning tool, and whole structure sets up simply, the student of being convenient for operates alone, and can not influence the student and normally use the desk.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A backrest of a desk for noon break with a bilateral anti-rolling structure comprises a desk plate (1) and two baffles (6), it is characterized in that a desk belly (2) is fixed in the middle of the outer wall of the bottom of the desk board (1), supporting blocks (3) are fixed in the middle of two sides of the outer wall of the bottom of the table belly (2), supporting legs (4) are fixed on the outer walls of the bottom plates of the two supporting blocks (3), and the top of the outer wall of one side of the two supporting legs (4) is fixed with the same placing plate (5), the two baffles (6) are symmetrically distributed on the two sides of the desk plate (1), and the outer wall of one side of the baffle (6) close to the desk plate (1) is provided with two T-shaped sliding chutes (7) which are symmetrically distributed, the inner wall of the T-shaped sliding chute (7) is connected with a T-shaped sliding block (8) in a sliding manner, and one end of the T-shaped sliding block (8) is fixedly connected with the desk plate (1);

a sliding part (10) is fixed at the bottom of the outer wall of one side of the baffle (6), a threaded hole is formed in the outer wall of the top of the sliding part (10), a screw rod (9) is in threaded fit with the inner wall of the threaded hole, the bottom end of the screw rod (9) is connected with the placing plate (5) through a bearing, a groove (11) is arranged on the outer wall of one side of the supporting block (3) close to the baffle plate (6), two electric telescopic rods (12) which are symmetrically distributed are fixed on the inner wall of the bottom of the groove (11), the top ends of piston rods of the two electric telescopic rods (12) are fixed with the same connecting plate (13), the outer wall of the top of the mounting plate (5) close to the supporting block (3) is provided with two circular openings which are symmetrically distributed, and the inner wall of the round mouth is connected with connecting rods (14) in a sliding way, the top ends of the two connecting rods (14) are fixedly connected with a connecting plate (13), and the bottom ends of the two connecting rods (14) are fixed with the same wear-resistant block (15).

2. The backrest of a desk for noon break with bilateral anti-roll off structure as claimed in claim 1, wherein the middle of the outer wall of one side of the desk plate (1) is fixed with a retaining ring, and the retaining ring is sleeved on a screw rod (9), and the screw rod (9) and the inner wall of the retaining ring form a rotating fit.

3. Noon break desk backrest with bilateral anti-roll-off structure according to claim 1, characterized in that the connecting plate (13) forms a sliding fit with the inner wall of the recess (11) and the wear-resistant block (15) can form a sliding fit with the outer wall of the supporting foot (4).

4. The backrest of a desk for noon break with bilateral anti-roll-off structure as claimed in claim 1, characterized in that the bottom outer wall of the baffle (6) is in contact with the top outer wall of the setting plate (5), and a collecting pocket (16) is fixed on the outer wall of one side of the baffle (6).

5. Noon break desk backrest with bilateral anti-roll-off structure according to claim 1, characterized in that said threaded rod (9) is located between two T-shaped sliders (8) and two connecting rods (14) are located between the slider (10) and the support block (3).

6. The backrest of a desk for noon break with bilateral anti-rolling structure as claimed in claim 1, wherein said electric telescopic rods (12) are connected with switches through wires, and the switches are connected with a microprocessor through wires.