CN210727100U

CN210727100U - Folding desk and chair

Info

Publication number: CN210727100U
Application number: CN201921427297.4U
Authority: CN
Inventors: 刘雨; 陈茂; 舒建; 万瑞轶
Original assignee: Chongzhou Lanyu Precision Furniture Co Ltd
Current assignee: Chongzhou Lanyu Precision Furniture Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-12
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to the field of teaching equipment, a foldable desk chair is disclosed, including the table, the lower terminal surface of table is provided with the support frame, the support frame with the table constitutes the cavity, it has the seat to articulate through the connecting piece in the cavity, just the seat is collapsible to be accomodate in the cavity intracavity, the seat includes the seat, the seat with the connecting piece is articulated, the bottom plate of seat articulates there is support piece, the seat fold in when the cavity intracavity, support piece rotatory accomodate in the seat. The utility model discloses the technological effect who has, including the seat through the seat, the bottom plate of seat articulates there is support piece. When the seat plate is folded in the cavity, the supporting piece is rotatably accommodated in the seat plate. When the seat plate is folded in the cavity, the supporting piece is stored in the seat plate, the space area of the seat is further reduced, the supporting piece is stored in the seat plate, the lower part of the seat plate is hollow, and the problem that the space below the table legs cannot be cleaned is solved.

Description

Folding desk and chair

Technical Field

The utility model relates to a teaching apparatus field particularly, relates to a foldable desk chair.

Background

Desk and chair have always been one of important teaching equipment in school's teaching, and the desk and chair that the student used in class is one kind of desk and chair. Students can write or draw in the process of using desks and chairs to study. In the process of writing or drawing, a large amount of waste such as paper scraps or eraser scraps is generated. Most students can directly sweep garbage such as paper scraps or rubber scraps to the bottoms of desks and chairs, the existing desks and chairs are of a structure that the chairs are folded backwards to the side wall of a desk plate at the rear row, and are not easy to move, so that the garbage positioned at the bottoms of the desks and chairs is difficult to clean, and the desk and chair with the forward folding chair is provided in ladder classroom folding desks and chairs with the application number of '201620980946.3', so that the floor can be cleaned conveniently, but the desk and chair still has the problem that the space below the seat plate cannot be cleaned due to the fact that desk legs occupy the space below the seat plate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foldable desk chair, it has solved current desk chair and still has the table leg and draw in the back in, and the seat below is because the table leg occupies the problem that leads to seat below space can't clean.

The embodiment of the utility model is realized like this:

a foldable desk and chair comprises a desk plate, wherein a support frame is arranged on the lower end face of the desk plate, the support frame and the desk plate form a cavity, a seat is hinged in the cavity through a connecting piece and can be folded and stored in the cavity, the seat comprises a seat plate, the seat plate is hinged with the connecting piece, a bottom plate of the seat plate is hinged with a supporting piece, and when the seat plate is stretched to form the seat, the supporting piece rotates to play a supporting role; when the seat plate is folded in the cavity, the supporting piece is rotatably accommodated in the seat plate.

In a further scheme, the support frame comprises a rear top plate and two side plates which are oppositely arranged, one side wall of the table plate is hinged to the top end face of the rear top plate, the two side plates which are oppositely arranged are hinged to the two side walls of the rear top plate respectively, the upper end face of the seat plate can be attached to the upper end face of the table plate, the table plate can rotate to the position where the lower end face of the table plate is parallel to the inner wall of the rear top plate, and when the seat plate is folded in the cavity, the upper end face of the seat plate is attached to the lower end face of the table plate.

In a further scheme, the connecting piece includes a plurality of connecting rod group, and the head and the tail of two adjacent connecting rod groups are articulated mutually, and every connecting rod group includes the connecting rod of two parallels, the support frame includes the back roof, be provided with the axis of rotation on the back roof, the axis of rotation is parallel the terminal surface setting of back roof, just the both ends head of axis of rotation runs through the connecting rod of two parallels of first connecting rod group respectively, two parallel connecting rods of first connecting rod group wind the axis of rotation rotates, be provided with the articulated shaft on the seat, the articulated shaft runs through the relative both sides wall of seat, just the both ends head of articulated shaft runs through the connecting rod of two parallels of last connecting rod group respectively, two parallel connecting rods of last connecting rod group wind the articulated shaft rotates.

In a further scheme, the seat plate comprises an upper seat plate and a lower seat plate, the upper seat plate is hinged with one side wall of the lower seat plate, and the lower seat plate can rotate until the plate surface of the lower seat plate is perpendicular to the plate surface of the upper seat plate to form a backup plate.

In a further scheme, a bolt is arranged on the side wall of the lower seat plate, a limiting hole is formed in the upper seat plate, and when the lower seat plate forms the backup plate, the bolt is inserted into the limiting hole.

In a further scheme, the lower terminal surface of going up the seat is provided with two triangle magnetic block that set up mutually just, the seat is the steel sheet down, the up end of seat down can with the laminating of two triangle magnetic block that set up mutually just of lower terminal surface constitutes the holding chamber, support piece includes bracing piece and dwang, the both ends head of dwang runs through respectively two triangle magnetic block that set up mutually just, the dwang runs through the bracing piece, bracing piece extending direction with the extending direction mutually perpendicular of dwang.

In a further scheme, one end of the supporting rod close to the seat plate is provided with a triangular limiting block, a first end face of the triangular limiting block is connected with the outer wall of the supporting rod, a second end face of the triangular limiting block can be attached to the bottom end face of the seat plate, and an included angle between the first end face of the triangular limiting block and the second end face of the triangular limiting block is a right angle.

In a further scheme, the support frame comprises a rear top plate and two oppositely arranged side plates, one side wall of the table plate is hinged to the top end face of the rear top plate, and the two oppositely arranged side plates are hinged to two side walls of the rear top plate respectively.

In a further scheme, the table is a cuboid, the number of seats is a plurality of, and a plurality of seats are followed the length direction setting of table.

The utility model has the advantages that:

the seat comprises a seat plate, a bottom plate of the seat plate is hinged with a supporting piece, and when the seat plate is stretched to form the seat, the supporting piece rotates to play a supporting role. When the seat plate is folded in the cavity, the supporting piece is rotatably accommodated in the seat plate. The utility model discloses a desk leg, including the seat, support piece, seat, support piece, seat, the cavity of making when folding the seat in the cavity intracavity, support piece accomodate in the seat, the space area of seat has further been reduced makes things convenient for the student to clean ground more, and support piece accomodates in the seat, and the below cavity of seat has solved the problem that the space can't be cleaned in table leg 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 schematic structural view of a foldable desk and chair provided in embodiment 1 of the present invention;

fig. 2 is a side view of a foldable desk and chair provided in embodiment 1 of the present invention;

fig. 3 is a bottom view of a foldable desk and chair provided in embodiment 1 of the present invention;

fig. 4 is a side view of the foldable desk and chair provided in embodiment 1 of the present invention in a storage state;

fig. 5 is a side view of a foldable desk and chair according to embodiment 1 of the present invention in another storage state;

fig. 6 is a bottom view of a foldable desk and chair provided in embodiment 2 of the present invention.

Icon: 1-desk plate, 2-support frame, 21-rear top plate, 22-side plate, 23-cavity, 3-seat, 31-seat plate, 311-upper seat plate, 312-lower seat plate, 313-triangular magnetic block, 32-support piece, 321-rotating rod, 322-supporting rod, 323-triangular limiting block, 33-bolt, 4-connecting piece, 41-rotating shaft, 42-connecting rod group and 421-connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-5, the present embodiment provides a foldable desk and chair, which includes a desk board 1, a supporting frame 2 is disposed on a lower end surface of the board, the supporting frame 2 and the desk board 1 form a cavity 23, and a seat 3 is hinged in the cavity 23 through a connecting member 4. In the scheme, the seat 3 can be folded and stored in the cavity 23, the seat 3 comprises a seat plate 31, and the seat plate 31 is hinged with the connecting piece 4. And the bottom plate of the seat plate 31 is hinged with a support part 32, and when the seat plate 31 is stretched to form the seat 3, the support part 32 rotates to play a supporting role. When the seat plate 31 is folded in the cavity 23, the support member 32 is rotatably received in the seat plate 31. Students can write or draw in the process of using desks and chairs to study. In the process of writing or drawing, a large amount of waste such as paper scraps or eraser scraps is generated. Most students can directly sweep garbage such as paper scraps or rubber scraps to the bottom of the desk and chair, and the existing desk and chair still have the problem that the space below the seat plate 31 cannot be swept due to the fact that the desk legs occupy the space below the seat plate 31 after the desk legs are folded. In the desk and chair in the scheme, the supporting frame 2 and the desk plate 1 form a cavity 23, a seat 3 is hinged in the cavity 23 through a connecting piece 4, and the seat 3 can be folded and stored in the cavity 23. When the student needs to sit down for study, the chair 3 can be pulled out for sitting down. When the student needs to clean the ground, the seat 3 is stored in the cavity 23 formed by the support frame 2 and the table board 1, the seat 3 cannot interfere with the cleaning work, and the student can clean the ground conveniently. Meanwhile, the seat 3 comprises a seat plate 31, a support member 32 is hinged to the bottom plate of the seat plate 31, and the support member 32 rotates to play a supporting role when the seat plate 31 is stretched to form the seat 3. When the seat plate 31 is folded in the cavity 23, the support member 32 is rotatably received in the seat plate 31. When the seat plate 31 is folded in the cavity 23, the supporting piece 32 is accommodated in the seat plate 31, so that the space area of the seat 3 is further reduced, and the floor is more convenient for the students to clean the floor. The supporting piece 32 is contained in the seat plate 31, the lower part of the seat plate 31 is hollow, and the problem that the space below the table legs cannot be cleaned is solved. In the sweeping process, the seat plate 31 can also be rotated because the seat plate 31 is hinged with the connecting piece 4, so that the space below the seat plate 31 can be more conveniently swept.

In a further version, the support frame 2 comprises a rear top plate 21 and two oppositely arranged side plates 22. One side wall of the table plate 1 is hinged with the top end face of the rear top plate 21, two opposite side plates 22 are respectively hinged with two side walls of the rear top plate 21, and the upper end face of the seat plate 31 can be attached to the upper end face of the table plate 1. The table plate 1 can rotate to the lower end face of the table plate 1 to be parallel to the inner wall of the rear top plate 21, and when the seat plate 31 is folded in the cavity 23, the upper end face of the seat plate 31 is attached to the lower end face of the table plate 1. When the seat 3 is stored, the table plate 1 is turned over, the seat plate 31 is folded to the upper end face of the seat plate 31 and attached to the lower end face of the table plate 1, so that the seat plate 31 and the table plate 1 are vertically placed, the support piece 32 is stored in the seat plate 31, and the influence of the support piece 32 on cleaning is further reduced.

In this embodiment, the connecting member 4 includes a plurality of connecting rod 421 groups 42, and the head and the tail of two adjacent connecting rod 421 groups 42 are hinged. Wherein each group 42 of connecting bars 421 comprises two parallel connecting bars 421. The supporting frame 2 includes a rear top plate 21, a rotating shaft 41 is disposed on the rear top plate 21, the rotating shaft 41 is disposed parallel to an end surface of the rear top plate 21, two ends of the rotating shaft 41 respectively penetrate through the two parallel connecting rods 421 of the first connecting rod 421 group 42, and the two parallel connecting rods 421 of the first connecting rod 421 group 42 rotate around the rotating shaft 41. In addition, the seat plate 31 is provided with a hinge shaft, the hinge shaft penetrates through two opposite side walls of the seat plate 31, two ends of the hinge shaft respectively penetrate through the two parallel connecting rods 421 of the last connecting rod 421 group 42, and the two parallel connecting rods 421 of the last connecting rod 421 group 42 rotate around the hinge shaft. The existing desk and chair has the problems that after the desk legs are folded, the space below the seat plate 31 cannot be cleaned due to the fact that the desk legs occupy the space below the seat plate 31, and the space below the hinge shaft and the connecting piece 4 cannot be cleaned, and as shown in fig. 4 and 5, when the existing desk and chair is cleaned, the existing desk and chair can be as same as the structure in fig. 5, one section of connecting rod 421 is parallel, so that the space below the connecting piece 4 can be cleaned, and after the existing desk and chair is cleaned, the existing desk and chair can be stored as shown in fig. 4.

In order to stretch the seat plate 31 to form the seat 3, the support member 32 is rotated to perform a supporting function. When the seat plate 31 is folded in the cavity 23, the support member 32 is rotatably received in the seat plate 31. As a specific embodiment, the seat plate 31 includes an upper seat plate 31131 and a lower seat plate 31231. The upper seat plate 31131 is hinged with a side wall of the lower seat plate 31231, and the lower seat plate 31231 is rotatable to form a backup plate. Specifically, two triangular magnetic blocks 313 are arranged opposite to each other on the lower end surface of upper seat plate 31131, and lower seat plate 31231 is a steel plate. The upper end surface of the lower seat plate 31231 can be attached to two oppositely arranged triangular magnetic blocks 313 of the lower end surface to form an accommodating cavity. The supporting member 32 includes a supporting rod 322 and a rotating rod 321, two ends of the rotating rod 321 respectively penetrate two opposite triangular magnetic blocks 313, the rotating rod 321 penetrates the supporting rod 322, and an extending direction of the supporting rod 322 is perpendicular to an extending direction of the rotating rod 321. When the seat plate 31 is stretched to form the seat 3, the support member 32 is rotated to perform a supporting function. When the seat plate 31 is folded in the cavity 23, the supporting member 32 rotates and is accommodated in the seat plate 31, and simultaneously the lower seat plate 31231 is attracted by the magnet, so as to achieve the purpose of preventing the supporting member 32 from falling out due to the separation of the lower seat plate 31231 and the upper seat plate 31131. Of course, in the case of ensuring that the lower seat plate 31231 has magnetism to be attracted by the magnet of the U-shaped lower end surface, the material of the lower seat plate 31231 is not limited, and other magnetic materials in the prior art may be used.

Meanwhile, a triangular limiting block 323 is arranged at the end of one end of the supporting rod 322 close to the seat plate 31. The first end face of the triangular limiting block 323 is connected with the outer wall of the supporting rod 322, and the second end face of the triangular limiting block 323 can be attached to the bottom end face of the seat plate 31. And the included angle between the first end face of the triangular limiting block 323 and the second end face of the triangular limiting block 323 is a right angle. When the supporting rod 322 vertically supports the seat plate 31, the second end surface of the triangular limiting block 323 is abutted with the bottom end surface of the seat plate 31, so that the supporting rod 322 is prevented from excessively rotating, the second end surface of the triangular limiting block 323 is abutted with the bottom end surface of the seat plate 31, a reinforcing rib is formed, the stability of the supporting piece 32 when supporting the seat plate 31 is enhanced, and the seat plate 31 is prevented from being inclined forwards and backwards.

In a further scheme, a bolt 33 is arranged on the side wall of the lower seat plate 31231, and a limit hole is arranged on the upper seat plate 31131. When the lower seat plate 31231 constitutes the backup plate, the pin 33 is inserted into the limit hole. After the lower seat plate 31231 rotates to form the backup plate, the bolt 33 is inserted into the limit hole to form a limit, so as to prevent the lower seat plate 31231 from forming the backup plate and then being unable to be fixed with the lower seat plate 31231. By means of the limit fixing, the upper seat plate 31131 and the lower seat plate 31231 are kept fixed in the state of the seat 3. When the upper seat plate 31131 and the lower seat plate 31231 need to be stored, the rotation recovery of the lower seat plate 31231 can be completed only by pulling out the bolt 33.

Example 2

As shown in fig. 6, the folding desk and chair of the present embodiment is mainly different from embodiment 1 in that the desk board 1 of the present embodiment is a rectangular parallelepiped, the number of the seat boards 31 is plural, and the plural seat boards 31 are arranged along the length direction of the desk board 1. The seat plates 31 are arranged along the length direction of the table board 1 to form a row chair, and the chair is suitable for being used by multiple people.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable desk and chair is characterized by comprising a desk plate, wherein a support frame is arranged on the lower end face of the desk plate, the support frame and the desk plate form a cavity, a seat is hinged in the cavity through a connecting piece, the seat can be folded and stored in the cavity, the seat comprises a seat plate, the seat plate is hinged with the connecting piece, a bottom plate of the seat plate is hinged with a supporting piece, and when the seat plate is stretched to form the seat, the supporting piece rotates to play a supporting role; when the seat plate is folded in the cavity, the supporting piece is rotatably accommodated in the seat plate.

2. The foldable desk and chair of claim 1, wherein the support frame comprises a back top plate and two opposite side plates, one side wall of the desk plate is hinged to the top end surface of the back top plate, the two opposite side plates are hinged to two side walls of the back top plate, respectively, the upper end surface of the seat plate can be attached to the upper end surface of the desk plate, the desk plate can be rotated until the lower end surface of the desk plate is parallel to the inner wall of the back top plate, and when the seat plate is folded in the cavity, the upper end surface of the seat plate is attached to the lower end surface of the desk plate.

3. A folding desk and chair as claimed in claim 2 wherein said connectors comprise a plurality of connecting rod sets, two adjacent sets being hinged end to end, each set comprising two parallel connecting rods, the supporting frame comprises a rear top plate, a rotating shaft is arranged on the rear top plate and is parallel to the end surface of the rear top plate, and two ends of the rotating shaft respectively penetrate through the two parallel connecting rods of the first connecting rod group, the two parallel connecting rods of the first connecting rod group rotate around the rotating shaft, the seat plate is provided with a hinge shaft which penetrates through two opposite side walls of the seat plate, and two ends of the hinge shaft respectively penetrate through the two parallel connecting rods of the last connecting rod group, and the two parallel connecting rods of the last connecting rod group rotate around the hinge shaft.

4. The folding desk and chair according to claim 1, wherein the seat comprises an upper seat and a lower seat, the upper seat is hinged with one side wall of the lower seat, the lower seat can rotate until the surface of the lower seat is perpendicular to the surface of the upper seat to form a backup plate.

5. The folding desk and chair according to claim 4, wherein the side wall of the lower seat plate is provided with a bolt, the upper seat plate is provided with a limiting hole, and when the lower seat plate forms the back plate, the bolt is inserted into the limiting hole.

6. The foldable desk and chair according to claim 4, wherein the lower end surface of the upper seat is provided with two oppositely arranged triangular magnetic blocks, the lower seat is a steel plate, the upper end surface of the lower seat can be attached to the two oppositely arranged triangular magnetic blocks to form an accommodating cavity, the supporting member comprises a supporting rod and a rotating rod, two ends of the rotating rod respectively penetrate through the two oppositely arranged triangular magnetic blocks, the rotating rod penetrates through the supporting rod, and the extending direction of the supporting rod is perpendicular to the extending direction of the rotating rod.

7. The folding desk and chair according to claim 6, wherein a triangular limiting block is disposed at an end of the supporting rod close to the seat, a first end face of the triangular limiting block is connected to an outer wall of the supporting rod, a second end face of the triangular limiting block can be attached to the bottom end face of the seat, and an included angle between the first end face of the triangular limiting block and the second end face of the triangular limiting block is a right angle.

8. The folding desk and chair of claim 1, wherein the desk is a rectangular parallelepiped, the number of the seats is plural, and the plural seats are provided along a length direction of the desk.