CN213786093U

CN213786093U - Ladder classroom row chair convenient to come in and go out

Info

Publication number: CN213786093U
Application number: CN202022828877.3U
Authority: CN
Inventors: 薛道仁; 薛志恒; 薛志瑞
Original assignee: Foshan Xingzhiliang Furniture Co ltd
Current assignee: Foshan Xingzhiliang Furniture Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-27
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a ladder classroom bench chair convenient for coming in and going out, which comprises a device main body, wherein one side of the device main body is movably connected with a chair, the inner surface of the device main body is fixedly connected with a backrest, the inner surface of the device main body is fixedly connected with a connecting shaft, the outer surface of the connecting shaft is movably connected with a first desk plate, two sides of the outer surface of the first desk plate are both provided with first chutes, and one end of the inner surface of each first chute is provided with a clamping groove; through the first desk board, second desk board, bracing piece, rotation axis and the first loose axle of design, solved ladder classroom row chair in the use, but the folding seat and the desk through its one side facilitate for the use of row chair in the classroom, because the desk of its one side is not convenient for to be collected when avoiding using, and then influence the student and pass in and out, the problem that the classroom row chair of not being convenient for used.

Description

Ladder classroom row chair convenient to come in and go out

Technical Field

The utility model belongs to the technical field of the bench, concretely relates to ladder classroom bench that conveniently comes in and goes out.

Background

People mainly have multiple functions in daily life, so the chairs in rows seen by people appear in different places, such as stations, banks, school classrooms, cinemas, meeting rooms, parks and the like.

The chair is arranged in current ladder classroom provides convenience for the use of row chair in the classroom of school through the collapsible seat and the desk of its one side in the use, in order to avoid when using because the desk of its one side is not convenient for to be gathered up, and then influences the student and pass in and out, is not convenient for the problem that the chair was arranged in the classroom used, for this we provide a ladder classroom row chair that conveniently comes in and goes out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ladder classroom row chair that conveniently comes in and goes out to the ladder classroom row chair that proposes in solving above-mentioned background provides convenience for the use of row chair in the classroom of school through the collapsible seat and the desk of its one side in the use, because the desk of its one side is not convenient for to be collected when avoiding using, and then influences the student and passes in and out, is not convenient for the problem that the classroom row chair used.

In order to achieve the above object, the utility model provides a following technical scheme: a ladder classroom bench chair convenient to come in and go out comprises a device main body, wherein one side of the device main body is movably connected with a seat, the inner surface of the device main body is fixedly connected with a backrest, the inner surface of the device main body is fixedly connected with a connecting shaft, the outer surface of the connecting shaft is movably connected with a first desk plate, two sides of the outer surface of the first desk plate are respectively provided with a first chute, one end of the inner surface of the first chute is provided with a clamping groove, the inner surface of the first chute is movably connected with a first movable shaft, one end of the first movable shaft is fixedly connected with a pressing block, the upper surface of the pressing block is fixedly connected with a compression spring, one end of the compression spring is fixedly connected with a sliding block, the outer surface of the first movable shaft is movably connected with a supporting rod, one end of the supporting rod is movably connected with a rotating shaft, and one end of the rotating shaft is movably connected with a second desk plate, one end fixedly connected with second loose axle of second desk board, the surface swing joint of second loose axle has the second spout.

Preferably, the outer surface of the backrest is fixedly connected with a baffle, the inner surface of the baffle is movably connected with a connecting rod, the inner surface of the connecting rod is fixedly connected with a return spring, one end of the return spring is fixedly connected with a clamping block, and one end of the connecting rod is fixedly connected with a limiting block.

Preferably, bayonets are all seted up to the both sides of baffle inner wall, the diameter of baffle inner wall bayonet socket and the diameter of fixture block equal.

Preferably, the other end of the connecting rod is provided with a limiting block, and the return spring is located inside the limiting block at one end of the connecting rod.

Preferably, the pressing block and the sliding block are fixedly connected through a compression spring, and the first movable shaft and the compression spring are fixedly connected through the pressing block.

Preferably, the support rod is movably connected with the second desk plate through a rotating shaft, and the rotating shaft is movably connected with the first movable shaft through the support rod.

Preferably, the second desk plate is movably connected with the second chute through a second movable shaft, and a stop block is arranged on the lower surface of one end of the second desk plate.

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

1. through the first desk board, second desk board, bracing piece, rotation axis and the first loose axle of design, solved ladder classroom row chair in the use, but the folding seat and the desk through its one side facilitate for the use of row chair in the classroom, because the desk of its one side is not convenient for to be collected when avoiding using, and then influence the student and pass in and out, the problem that the classroom row chair of not being convenient for used.

2. Through draw-in groove, restriction piece, connecting rod, reset spring and the fixture block of design, solved the ladder classroom row chair that conveniently comes in and go out in the use, because the seat of its one side is taken up and is restrainted totally can clip debris inadequately, and its surface falls the ash easily, because the frequency that the chair was arranged in the classroom used is not high, need clear up when using in order to avoid it to fall the ash, is unfavorable for its normal use problem.

Drawings

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

FIG. 2 is a schematic side sectional view of a second desk board of the present invention;

fig. 3 is a schematic view of the backrest structure of the present invention;

fig. 4 is a schematic diagram of a sectional side view of the baffle of the present invention.

In the figure: 1. a device main body; 2. a seat; 3. a backrest; 4. a first desk top; 5. a second desk board; 6. a support bar; 7. a rotating shaft; 8. a first movable shaft; 9. a first chute; 10. a connecting shaft; 11. a second movable shaft; 12. a second chute; 13. a compression spring; 14. a slider; 15. briquetting; 16. a card slot; 17. a limiting block; 18. a connecting rod; 19. a return spring; 20. a clamping block; 21. and a baffle plate.

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. 1-4, the present invention provides the following technical solutions: a ladder classroom bench chair convenient to go in and out comprises a device main body 1, a seat 2 is movably connected to one side of the device main body 1, a backrest 3 is fixedly connected to the inner surface of the device main body 1, a connecting shaft 10 is fixedly connected to the inner surface of the device main body 1, a first desk plate 4 is movably connected to the outer surface of the connecting shaft 10, first chutes 9 are respectively formed in two sides of the outer surface of the first desk plate 4, a clamping groove 16 is formed in one end of the inner surface of each first chute 9, a first movable shaft 8 is movably connected to the inner surface of each first chute 9, a pressing block 15 is fixedly connected to one end of each first movable shaft 8, compression springs 13 are fixedly connected to the upper surfaces of the pressing blocks 15, sliders 14 are fixedly connected to one ends of the compression springs 13, a supporting rod 6 is movably connected to the outer surface of each first movable shaft 8, a rotating shaft 7 is movably connected to one end of the supporting rod 6, and a second desk plate 5 is movably connected to one end of the rotating shaft 7, one end of the second desk board 5 is fixedly connected with a second movable shaft 11, and the outer surface of the second movable shaft 11 is movably connected with a second chute 12.

In the embodiment, after the device is used, the support rod 6 is held to lift the first movable shaft 8 upwards to drive the pressing block 15 to be separated from the inside of the clamping groove 16, and compresses the compression spring 13 at the lower surface of the slider 14 to be forced and then lifts the second desk board 5 upward to be slid on the inner surface of the second chute 12 by the second movable shaft 11, and simultaneously drives the first movable shaft 8 to slide on the inner surface of the first chute 9 until the second desk board 5 is close to the first desk board 4, then the first desk plate 4 is rotated downwards on the outer surface of the connecting shaft 10 to drive the second desk plate 5 which is close to the first desk plate 4 to rotate, the first desk plate 4 and the second desk plate 5 are bound, and when the book binding machine is used, the first desk plate 4 and the second desk plate 5 are reversely operated and restored to the original positions, so that the first desk plate 4 and the second desk plate 5 are bound conveniently.

Specifically, the outer surface of the backrest 3 is fixedly connected with a baffle 21, the inner surface of the baffle 21 is movably connected with a connecting rod 18, the inner surface of the connecting rod 18 is fixedly connected with a return spring 19, one end of the return spring 19 is fixedly connected with a clamping block 20, and one end of the connecting rod 18 is fixedly connected with a limiting block 17.

In this embodiment, after the device is used, the seat 2 can be rotated to a position where one end of the seat is attached to one side of the outer surface of the backrest 3, the limiting block 17 is pulled downwards to drive the connecting rod 18 and the limiting block at one end of the connecting rod to move, the clamping block 20 is separated from the bayonet of the inner wall of the baffle 21 at the moment, the compression return spring 19 is moved towards the inner surface of the baffle to enable the limiting block to be stressed, the limiting block 17 is stretched to a certain length, the rotation of the seat 2 is limited by the limiting block 17, the seat 2 can be conveniently folded, meanwhile, a back cushion is provided for students through the baffle 21, and the device can be conveniently used.

Specifically, bayonets have all been seted up to the both sides of baffle 21 inner wall, and the diameter of baffle 21 inner wall bayonet socket equals with the diameter of fixture block 20.

In this embodiment, the bayonets on both sides of the inner wall of the baffle 21 are used for interacting with the clamping blocks 20 to limit the movement of the limiting block 17 driving the connecting rod 18, so that the limiting block 17 can be fixed through the connecting rod 18.

Specifically, the other end of the connecting rod 18 is provided with a limiting block, and the return spring 19 is located inside the limiting block at one end of the connecting rod 18.

In this embodiment, the limiting block at one end of the connecting rod 18 is used for limiting the separation of the connecting rod 18 from the inside of the baffle 21, and the reset spring 19 inside the limiting block is displaced, so that the fitting between the fixture block 20 and the inner wall of the baffle 21 can be controlled conveniently.

Specifically, the pressing block 15 and the sliding block 14 are fixedly connected through the compression spring 13, and the first movable shaft 8 and the compression spring 13 are fixedly connected through the pressing block 15.

In this embodiment, the first movable shaft 8 moves upward to drive the pressing block 15 to compress the compression spring 13 upward on the lower surface of the sliding block 14, so that the compression spring is stressed, and then the pressing block 15 is controlled to be clamped into the clamping groove 16 under the action of the compression spring 13, so that the first desk board 4 is supported conveniently.

Specifically, the support rod 6 is movably connected with the second desk board 5 through a rotating shaft 7, and the rotating shaft 7 is movably connected with the first movable shaft 8 through the support rod 6.

In this embodiment, the support rod 6 is connected with the second desk board 5 through the rotating shaft 7, and the first movable shaft 8 is connected with the second desk board 5 under the action of the support rod 6, so that the rowed chairs can be conveniently used.

Specifically, the second desk board 5 and the second chute 12 are movably connected through a second movable shaft 11, and a stop block is arranged on the lower surface of one end of the second desk board 5.

In this embodiment, the second desk board 5 moves to drive the second movable shaft 11 to slide on the inner surface of the second sliding slot 12, and the stop block on the lower surface of one end of the second desk board 5 limits the second desk board 5 to rotate downward.

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

Claims

1. The utility model provides a ladder classroom bench that conveniently comes in and goes out, includes device main part (1), one side swing joint of device main part (1) has seat (2), the internal surface fixedly connected with back (3) of device main part (1), its characterized in that: the book reading device is characterized in that a connecting shaft (10) is fixedly connected to the inner surface of the device main body (1), a first desk plate (4) is movably connected to the outer surface of the connecting shaft (10), first sliding grooves (9) are formed in the two sides of the outer surface of the first desk plate (4), a clamping groove (16) is formed in one end of the inner surface of each first sliding groove (9), a first movable shaft (8) is movably connected to the inner surface of each first sliding groove (9), a pressing block (15) is fixedly connected to one end of each first movable shaft (8), a compression spring (13) is fixedly connected to the upper surface of each pressing block (15), a sliding block (14) is fixedly connected to one end of each compression spring (13), a supporting rod (6) is movably connected to the outer surface of each first movable shaft (8), a rotating shaft (7) is movably connected to one end of each supporting rod (6), and a second desk plate (5) is movably connected to one end of each rotating shaft (7), one end of the second desk board (5) is fixedly connected with a second movable shaft (11), and the outer surface of the second movable shaft (11) is movably connected with a second sliding groove (12).

2. A walk-in stairway row chair as claimed in claim 1 wherein: the utility model discloses a chair backrest, including backrest (3), the fixed surface of backrest (3) is connected with baffle (21), the internal surface swing joint of baffle (21) has connecting rod (18), the fixed surface of connecting rod (18) is connected with reset spring (19), the one end fixedly connected with fixture block (20) of reset spring (19), the one end fixedly connected with of connecting rod (18) restricts piece (17).

3. A walk-in stairway row chair as claimed in claim 2 wherein: bayonets have all been seted up to the both sides of baffle (21) inner wall, the diameter of baffle (21) inner wall bayonet socket equals with the diameter of fixture block (20).

4. A walk-in stairway row chair as claimed in claim 2 wherein: the other end of the connecting rod (18) is provided with a limiting block, and the return spring (19) is positioned inside the limiting block at one end of the connecting rod (18).

5. A walk-in stairway row chair as claimed in claim 1 wherein: the pressing block (15) is fixedly connected with the sliding block (14) through a compression spring (13), and the first movable shaft (8) is fixedly connected with the compression spring (13) through the pressing block (15).

6. A walk-in stairway row chair as claimed in claim 1 wherein: the support rod (6) is movably connected with the second desk plate (5) through a rotating shaft (7), and the rotating shaft (7) is movably connected with the first movable shaft (8) through the support rod (6).

7. A walk-in stairway row chair as claimed in claim 1 wherein: the second desk board (5) is movably connected with the second chute (12) through a second movable shaft (11), and a stop block is arranged on the lower surface of one end of the second desk board (5).