CN219895022U

CN219895022U - Desk and chair capable of lying

Info

Publication number: CN219895022U
Application number: CN202321305179.2U
Authority: CN
Inventors: 赵胜东; 闫学梅; 刘传珂
Original assignee: Shandong Zhehe Education Technology Development Co ltd
Current assignee: Shandong Zhehe Education Technology Development Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-10-27
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a desk and chair capable of lying, which comprises a seat and a backrest, wherein the backrest is rotationally connected with the seat through a pin shaft, the seat and the backrest are limited through an adjusting structure, a seat cushion is arranged on the seat, a back cushion is arranged on the backrest, and a sponge cushion is arranged between the back cushion and the seat cushion; the adjusting structure comprises a threaded sleeve, a bolt, a first clamping groove and a second clamping groove, wherein the threaded sleeve is arranged on a seat, the bolt is sleeved in the threaded sleeve, the first clamping groove is formed in a backrest, the second clamping groove is formed in the backrest, and ninety degrees of arrangement are formed between the first clamping groove and the second clamping groove. The back is rotated ninety degrees forward on the seat through the pin shaft, the back is put flat, the bolt moves upwards in the threaded sleeve, the bolt is clamped into the second clamping groove, the back is limited, the student can lie flat for afternoon nap, the sponge cushion is laid flat, and the edge angle at the folding point of the seat and the back is covered, so that the student is comfortable when lying and sleeping.

Description

Desk and chair capable of lying

Technical Field

The utility model relates to the technical field of desks and chairs, in particular to a desk and chair capable of lying.

Background

The desk and chair are named desks and chairs, are the desk and chair for students to take lessons, are also called student desk and chair, school desk and chair can be divided according to age, materials and functions, so that students can sleep in noon conveniently, the desk and chair capable of lying is used at present, the structure for adjusting lying is complex, the use is inconvenient, and after lying is adjusted, edges and corners exist at folding points, and lying is uncomfortable.

Disclosure of Invention

The utility model aims to provide a desk and a chair capable of lying.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the desk and chair capable of lying comprises a seat and a backrest, wherein the backrest is rotationally connected with the seat through a pin shaft, the seat and the backrest are limited through an adjusting structure, a seat cushion is arranged on the seat, a back cushion is arranged on the backrest, and a sponge cushion is arranged between the back cushion and the seat cushion;

the adjusting structure comprises a threaded sleeve, a bolt, a first clamping groove and a second clamping groove, wherein the threaded sleeve is arranged on a seat, the bolt is sleeved in the threaded sleeve, the first clamping groove is formed in a backrest, the second clamping groove is formed in the backrest, and ninety degrees of arrangement are formed between the first clamping groove and the second clamping groove.

Preferably, the seat is provided with a supporting piece, the supporting piece is rotatably connected with a pedal through a screw, and the screw is sleeved with a nut.

Preferably, the pedal is provided with a telescopic structure, and the telescopic structure comprises two through grooves, a telescopic plate and leg pads;

the two through grooves are respectively formed in two sides of the pedal, two sides of the expansion plate respectively extend into the through grooves, the leg pads are arranged on the expansion plate, and the leg pads and the seat cushion are positioned on the same horizontal line.

Preferably, the screw cap is provided with a threaded hole, a threaded round block is sleeved in the threaded hole, a hexagonal hole is formed in the threaded round block, and a hexagonal wrench is arranged in the hexagonal hole.

Preferably, the seat is provided with two supporting structures, the supporting structures are symmetrically distributed on two sides by taking the central line of the seat as the center, and the supporting structures comprise baffles and handrails;

the baffle is mounted on a side wall of the seat, and the armrest is mounted on the baffle.

Preferably, the seat is provided with a threaded rod, a threaded pipe is sleeved outside the threaded rod, and the threaded pipe is provided with a base.

Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the desk and chair capable of lying has the following advantages:

1. the backrest rotates ninety degrees forward on the seat through the pin shaft, the backrest is placed flat, the bolt moves upwards in the threaded sleeve, the bolt is clamped into the second clamping groove, the backrest is limited, the student can lie flat for afternoon nap, the sponge cushion is laid flat, and the edge angle at the folding point of the seat and the backrest is covered, so that the student is comfortable when lying flat;

2. the pedal rotates on the supporting piece through the screw, the pedal is parallel to the seat, the nut is screwed at the moment, the lying student can put legs on the pedal, the expansion plate stretches out and draws back in the through groove on the pedal, the foot is prevented from being landed according to the lying length of the student, and when the expansion plate is parallel to the pedal, the leg pad is parallel to the seat cushion, so that the student lies flat and comfortable;

3. the threaded rod on the seat rotates along the threaded pipe on the base, the lowest point of the seat is adjusted, so that the student is the lowest away from the ground during afternoon nap, the baffles on the two sides play a role in protection, and the students lying flat and sleeping fall from the side wings of the seat.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the leg pad, through slot and expansion plate of FIG. 1;

FIG. 3 is a schematic view of the seat, backrest and adjustment structure of FIG. 1;

fig. 4 is a schematic structural diagram of fig. 2 a.

In the figure: 1. the seat, 2, the threaded rod, 3, the screwed pipe, 4, the adjustment structure, 401, the thread bush, 402, the bolt, 403, first draw-in groove, 404, the second draw-in groove, 5, the base, 6, the supporting structure, 7, the baffle, 8, the handrail, 9, the back, 10, the cushion, 11, the cushion, 12, the foam-rubber cushion, 13, support piece, 14, the screw, 15, the footboard, 16, the leg pad, 17, the logical groove, 18, the expansion plate, 19, the nut, 20, the screw hole, 21, the screw thread circle piece, 22, the hexagonal hole, 23, hexagonal spanner.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a desk and chair that can lie, including seat 1 and back 9, back 9 rotates through the round pin axle with seat 1 to be connected, spacing through adjusting structure 4 between seat 1 and the back 9, install seatpad 11 on the seat 1, install cushion 10 on the back 9, install foam-rubber cushion 12 between cushion 10 and the seatpad 11, foam-rubber cushion 12 is the wave, back 9 is through the forward rotation ninety degrees of round pin axle on seat 1, back 9 is put flat, can supply the student to lie flat afternoon nap, then foam-rubber cushion 12 paves, cover seat 1 and back 9 break point department edges and angles, make the student lie when sleeping comfortable;

the adjusting structure 4 comprises a threaded sleeve 401, a bolt 402, a first clamping groove 403 and a second clamping groove 404, the threaded sleeve 401 is arranged on the seat 1, the bolt 402 is sleeved in the threaded sleeve 401, the first clamping groove 403 is formed in the backrest 9, the second clamping groove 404 is formed in the backrest 9, ninety degrees of arrangement are formed between the first clamping groove 403 and the second clamping groove 404, when the backrest 9 is parallel to the seat 1, the bolt 402 is clamped into the second clamping groove 404, and when the backrest 9 is perpendicular to the seat 1, the bolt 402 is clamped into the first clamping groove 403.

The seat 1 is provided with a support piece 13, the support piece 13 is rotationally connected with a pedal 15 through a screw 14, a nut 19 is sleeved on the screw 14, the pedal 15 rotates on the support piece 13 through the screw 14, the pedal 15 is parallel to the seat 1, the nut 19 is screwed at the moment, and a lying student can bear the withdrawing part on the pedal 15;

the pedal 15 is provided with a telescopic structure which comprises two through grooves 17, a telescopic plate 18 and a leg pad 16;

two through grooves 17 are respectively formed in two sides of the pedal 15, two sides of the expansion plate 18 extend into the through grooves 17 respectively, the leg pads 16 are mounted on the expansion plate 18, the expansion plate 18 stretches out and draws back in the through grooves 17 on the pedal 15, the adjustment is performed according to the lying length of a student, the foot is prevented from being landed, and when the expansion plate 18 is parallel to the pedal 15, the leg pads 16 are parallel to the seat cushion 11, so that the student can lie flat and comfortable, and the leg pads 16 and the seat cushion 11 are positioned on the same horizontal line.

Threaded hole 20 has been seted up on the nut 19, has cup jointed threaded circle piece 21 in the threaded hole 20, has seted up hexagonal hole 22 on the threaded circle piece 21, installs hexagonal spanner 23 in the hexagonal hole 22, screws into threaded hole 20 on the nut 19 with threaded circle piece 21, then moves hexagonal spanner 23 and is convenient for screw nut 19.

The seat 1 is provided with two supporting structures 6, the supporting structures 6 are symmetrically distributed on two sides by taking the central line of the seat 1 as the center, and the supporting structures 6 comprise baffle plates 7 and armrests 8;

baffle 7 are installed on the lateral wall of seat 1, and handrail 8 is installed on baffle 7, and baffle 7 of both sides play the guard action, and the student of lying flat and sleeping falls from seat 1 flank.

Install threaded rod 2 on the seat 1, threaded pipe 3 has been cup jointed to the outside of threaded rod 2, installs base 5 on the threaded pipe 3, and threaded rod 2 on the seat 1 is rotatory along threaded pipe 3 on the base 5, adjusts the lift height of seat 1.

When the desk and chair capable of lying is used, firstly, the threaded rod 2 on the chair 1 rotates along the threaded pipe 3 on the base 5, the lifting height of the chair 1 is adjusted, the chair 1 is adjusted to the lowest position during afternoon nap, the chair 1 is enabled to be lowest from the ground, the backrest 9 rotates ninety degrees forward on the chair 1 through the pin shaft, the backrest 9 is placed flat, the bolt 402 moves upwards in the threaded sleeve 401, the bolt 402 is clamped into the second clamping groove 404, the backrest 9 is limited, the student can lie flat for afternoon nap, the foam-rubber cushion 12 is laid flat, the corner at the folding point of the chair 1 and the backrest 9 is covered, the student is comfortable to lie on the back, the pedal 15 rotates on the supporting piece 13 through the screw 14, the pedal 15 is parallel to the chair 1, the nut 19 is screwed at the moment, the lying student can hold the legs on the pedal 15, the expansion plate 18 stretches out and draws back in the through groove 17 on the pedal 15 according to the lying flat length of the student, the leg cushion 16 is prevented from lying flat, and the student is comfortable to lie flat when the expansion plate 18 is parallel to the pedal 15.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Desk and chair capable of lying, comprising a seat (1) and a backrest (9), and being characterized in that: the backrest (9) is rotationally connected with the seat (1) through a pin shaft, the seat (1) and the backrest (9) are limited through an adjusting structure (4), a seat cushion (11) is arranged on the seat (1), a back cushion (10) is arranged on the backrest (9), and a sponge cushion (12) is arranged between the back cushion (10) and the seat cushion (11);

the adjusting structure (4) comprises a threaded sleeve (401), a bolt (402), a first clamping groove (403) and a second clamping groove (404), wherein the threaded sleeve (401) is arranged on the seat (1), the bolt (402) is sleeved in the threaded sleeve (401), the first clamping groove (403) is formed in the backrest (9), the second clamping groove (404) is formed in the backrest (9), and ninety degrees of arrangement are formed between the first clamping groove (403) and the second clamping groove (404).

2. A reclining desk and chair according to claim 1, wherein: the seat is characterized in that a supporting piece (13) is arranged on the seat (1), a pedal (15) is rotatably connected to the supporting piece (13) through a screw (14), and a nut (19) is sleeved on the screw (14).

3. A reclining desk and chair according to claim 2, wherein: the pedal (15) is provided with a telescopic structure, and the telescopic structure comprises two through grooves (17), a telescopic plate (18) and leg pads (16);

the two through grooves (17) are respectively formed in two sides of the pedal (15), two sides of the expansion plate (18) respectively extend into the through grooves (17), the leg pads (16) are arranged on the expansion plate (18), and the leg pads (16) and the seat cushion (11) are positioned on the same horizontal line.

4. A reclining desk and chair according to claim 2, wherein: threaded holes (20) are formed in the nuts (19), threaded round blocks (21) are sleeved in the threaded holes (20), hexagonal holes (22) are formed in the threaded round blocks (21), and hexagonal wrenches (23) are arranged in the hexagonal holes (22).

5. A reclining desk and chair according to claim 1, wherein: the seat (1) is provided with two supporting structures (6), the supporting structures (6) are symmetrically distributed on two sides by taking the central line of the seat (1) as the center, and the supporting structures (6) comprise baffle plates (7) and armrests (8);

the baffle (7) is arranged on the side wall of the seat (1), and the armrests (8) are arranged on the baffle (7).

6. A reclining desk and chair according to claim 1, wherein: the seat is characterized in that a threaded rod (2) is arranged on the seat (1), a threaded pipe (3) is sleeved outside the threaded rod (2), and a base (5) is arranged on the threaded pipe (3).