CN115581352A - A Three-Form Foldable Desk and Chair Structure - Google Patents

Abstract

The invention relates to a three-form foldable desk and chair structure, which is characterized in that: it comprises three forms: the storage form, the table and chair form and the bed form, and the conversion without disassembly can be realized among the three forms. The integrated design of saving space and having multiple purposes is realized. The shape of the desk and chair provides sufficient learning function and stable support for students; the bed shape ensures that the main body parts of the person have rest; the storage form can reduce the space occupation of the table and the chair so as to facilitate the storage and the movement. The table top support, the table top support rod, the table top support plate, the seat and the chair legs form a five-link mechanism, and the five-link mechanism can be changed into a three-link mechanism under the limitation of the two lower rod pieces and the table top support rod, so that the support strength of the structure in each form is ensured. Meanwhile, the structure is improved and optimized based on a man-machine design concept. The invention relates to a design of a three-form variable foldable structure, which is an integrated multifunctional structure, has stable and reliable work and larger space compressibility.

Description

A Three-Form Foldable Desk and Chair Structure

technical field

The invention relates to the technical field of desks and chairs, in particular to a three-morphology foldable desk and chair structure.

Background technique

The traditional desks and chairs mostly adopt a split structure, the structure is relatively simple, and the function is single, which has gradually failed to meet the needs of students in today's era for the richness of the classroom, the comfort of learning, and the spaciousness of the learning space. In addition, long-term sitting in a single posture will make people tired and damage their eyes, which directly leads to health problems for students. With the advancement of science and technology and the development of human society, folding desks and chairs have gradually entered people's field of vision, and have shown extraordinary practical and research value.

Contents of the invention

The object of the present invention is to address the defects of the prior art, to provide a three-morphology foldable desk and chair structure, and to realize an integrated design with relatively large space compression performance.

In order to solve the problems of the technologies described above, the present invention provides technical solutions as follows:

A three-morphology foldable desk and chair structure is characterized in that it includes a table body part and a seat part, and the table body part includes a tabletop, table legs, tabletop support rods, a first rod, a second rod, The table legs are hinged on the underside of the tabletop, the first rod and the second rod are fixedly connected between the two table legs from top to bottom, and one end of the tabletop support rod is hinged on the underside of the tabletop , the middle part is movably connected on the first rod; the seat part includes a seat surface, a chair back, a first chair leg, a second chair leg, and a chair leg support rod, and the chair back is hinged on the chair surface, The first chair leg is hinged at an end far away from the chair back on the underside of the chair surface, the second chair leg is fixedly connected to an end close to the chair back on the underside of the chair surface, and one end of the support rod of the chair leg is hinged on the first chair On the leg, the other end is flexibly connected with the second rod.

Further, a first groove is provided in the middle of the desktop support rod, a second groove is provided at the end, a third groove is provided on the chair leg support rod, the chair surface and the first chair leg A third rod is provided at the hinge, the first groove can be connected with the first rod, the second groove can be connected with the third rod, and the third groove can be connected with the third rod. Fittingly connected with the second rod.

Further, the seat part also includes a folding backing plate, the folding backing plate is arranged on the seat surface, and is hinged with the end of the seat surface away from the back of the chair, and the second chair leg is an electric liftable structure .

Further, an adjusting wrench and a locking wrench are provided at the hinge of the chair back and the seat surface to realize self-locking of the chair back.

Further, the first chair leg is a curved rod structure with a certain curvature.

Further, all hinged structures are connected by bearings.

Compared with the prior art, the beneficial effects of the present invention are: 1. Through the unique structural design, the present invention can form three forms: storage form, table and chair form, and bed form, and the three forms can be realized without disassembly. Conversion, to realize the integrated design of saving space and multi-purpose. The form of tables and chairs provides sufficient learning functions and stable support for students; the form of beds ensures that the main parts of the body can rest; the form of storage can reduce the space occupied by tables and chairs for storage and movement. 2. By using the desktop support, desktop support rod, desktop support plate, seat and chair legs to form a five-link mechanism, it can be transformed into a three-link mechanism under the constraints of the two lower rods and the desktop support rod, so as to ensure that each The support strength of the structure in various forms, its work is stable and reliable, and it has a large space compressibility.

Description of drawings

Fig. 1 is a schematic diagram of the shape and structure of tables and chairs according to an embodiment of the present invention;

Fig. 2 is a second schematic diagram of the shape and structure of tables and chairs according to the embodiment of the present invention;

Fig. 3 is a schematic diagram of the bed form and structure of the embodiment of the present invention;

Fig. 4 is the second schematic diagram of the bed morphology and structure of the embodiment of the present invention;

Fig. 5 is a schematic diagram of the structure of the storage form of the embodiment of the present invention;

Fig. 6 is a second schematic diagram of the structure of the storage form of the embodiment of the present invention.

Among them: 1-table top, 2-table legs, 3-desk top support rod, 4-first rod, 5-second rod, 6-chair surface, 7-chair back, 8-first chair leg, 9- The second chair leg, 10-chair leg support rod, 11-first groove, 12-second groove, 13-third groove, 14-third rod, 15-folding backing plate, 16-adjusting wrench , 17-Locking wrench.

detailed description

In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the accompanying drawings. This embodiment is only used to explain the present invention, and does not constitute a limitation to the protection scope of the present invention.

Figure 1-6 shows a specific embodiment of a three-morphology foldable desk and chair structure, including a table body part and a seat part, wherein the table body part includes a desktop 1, table legs 2, desktop support rods 3, The first rod 4, the second rod 5, the table legs 2 are hinged on the underside of the desktop 1, the first rod 4 and the second rod 5 are fixedly connected between the two table legs 2 from top to bottom, and the table top The middle part on the support rod 3 is provided with a first groove 11, and the end is provided with a second groove 12, and one end of the desktop support rod 3 is hinged on the lower side of the desktop 1; the seat part includes a seat surface 6, a chair back 7, a first Chair legs 8, second chair legs 9, chair leg support rods 10, folding pads 15, the chair back 7 are hinged on the chair surface 6, and the first chair leg 8 is hinged on the lower side of the chair surface 6 away from the end of the chair back 7, The second chair leg 9 is fixedly connected to an end near the chair back 7 on the lower side of the chair surface 6, and one end of the chair leg support bar 10 is hinged on the first chair leg 8, and the folding backing plate 15 is arranged on the chair surface 6, and is connected with the chair. One end of the surface 6 away from the chair back 7 is hinged to each other, and the second chair leg 9 is an electric liftable structure. A third groove 13 is provided on the support rod 10 of the chair leg, a third rod 14 is provided at the hinge of the chair surface 6 and the first chair leg 8 , and the first groove 11 can cooperate with the first rod 4 to engage with each other. , the second groove 12 can cooperate with the third rod 14 to engage with each other, and the third groove 13 can cooperate with the second rod 5 to engage with each other.

Preferably, all hinge structures are connected by bearings. An adjusting wrench 16 and a locking wrench 17 are provided at the hinge of the seat back 7 and the seat surface 6 to realize the self-locking of the seat back 7 . The first chair leg 8 is a curved rod structure with a certain curvature.

Shown in Figure 1, 2 is the structure when present embodiment is deformed into desk and chair form. At this time, the first groove 11 in the middle of the desktop support rod 3 is clamped on the first rod 4 to form a stable desktop structure; the third groove 13 on the chair leg support rod 10 is clamped on the second rod 5 form a stable chair structure; the folding backing plate 15 is flipped and attached to the chair surface 6; the chair back 7 is turned upright by the adjustment wrench 16 and locked with the locking wrench 17; the second chair leg 9 is adjusted by electric lifting The height ensures that the folding backing plate 15 and the seat surface 6 remain parallel to the ground.

As shown in Figures 3 and 4, the structure of this embodiment is transformed into a bed form. At this time, the third groove 13 on the chair leg support rod 10 is separated from the second rod member 5; the first groove 11 in the middle of the desktop support rod 3 is separated from the first rod member 4, and the desktop support rod 3 rotates around the hinge point Finally, the second groove 12 at the end is clamped on the third rod 14; the folding backing plate 15 is turned outwards to make it fit the desktop support rod 3; pull the adjustment wrench 16 to adjust the chair back 7 to a suitable angle and use The locking wrench 17 is locked; the height of the second chair leg 9 is adjusted by electric lifting to ensure that the folding backing plate 15 and the chair surface 6 are kept parallel to the ground. Desktop 1, folding backing plate 15, chair surface 6, chair back 7 form a continuous surface successively, are suitable for human body to lie down.

As shown in Figures 5 and 6, the structure of this embodiment is deformed into a storage form. At this time, the folding backing plate 15 is turned inwards to fit the chair surface 6; the second groove 12 at the end of the desktop support rod 3 is separated from the third rod 14; The surface 6 is folded in the direction and attached to the folding backing plate 15; the table legs 2 are turned over and attached to the underside of the desktop 1. In this way, the deformation of the storage form is completed, and the space is compressed.

The above-mentioned specific implementation is only to illustrate the technical concept and structural features of the present invention, and the purpose is to allow relevant persons familiar with this technology to implement it accordingly, but the above content does not limit the scope of protection of the present invention. Any equivalent change or modification made in essence shall fall within the protection scope of the present invention.

Claims (6)

1. A three-morphology foldable desk and chair structure, characterized in that: it includes a table body part and a seat part, and the table body part includes a desktop (1), table legs (2), desktop support rods (3) , the first rod (4), the second rod (5), the table legs (2) are hinged on the underside of the desktop (1), the first rod (4) and the second rod ( 5) It is fixedly connected between the two table legs (2) from top to bottom, one end of the table support rod (3) is hinged on the underside of the table top (1), and the middle part is movably connected to the first rod (4) above; the seat part includes a chair surface (6), a chair back (7), a first chair leg (8), a second chair leg (9), a chair leg support rod (10), and the chair back (7 ) is hinged on the chair surface (6), the first chair leg (8) is hinged on the lower side of the chair surface (6) away from the end of the chair back (7), and the second chair leg (9) is fixedly connected On the lower side of the chair surface (6) near the end of the chair back (7), one end of the leg support rod (10) is hinged on the first leg (8), and the other end is connected to the second rod (5). ) active connection. 2. A three-morphology foldable desk and chair structure according to claim 1, characterized in that: a first groove (11) is provided in the middle of the desktop support rod (3), and a second groove (11) is provided at the end. A groove (12), a third groove (13) is provided on the leg support rod (10), and a third rod is provided at the hinge of the chair surface (6) and the first chair leg (8) (14), the first groove (11) can be connected with the first rod (4), and the second groove (12) can be connected with the third rod (14), The third groove (13) can be matedly connected with the second rod (5). 3. A three-morphology foldable desk and chair structure according to claim 2, characterized in that: the seat part also includes a folding pad (15), and the folding pad (15) is arranged on the On the chair surface (6), and hinged with the end of the chair surface (6) away from the chair back (7), the second chair leg (9) is an electric liftable structure. 4. A three-morphology foldable desk and chair structure according to claim 3, characterized in that: the hinge of the chair back (7) and the chair surface (6) is provided with an adjustment wrench (16) and a locking Wrench (17), realizes the self-locking of chair back (7). 5. A three-morphology foldable desk and chair structure according to claim 4, characterized in that: the first chair leg (8) is a curved rod structure with a certain curvature. 6. A three-morphology foldable desk and chair structure according to claim 5, characterized in that: all hinged structures are connected by bearings.

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