CN213820611U - Backrest framework assembly with bottom space utilization - Google Patents

Abstract

The utility model relates to the technical field of backrest frameworks, in particular to a backrest framework component which can be used in the bottom space, comprising two vertical frameworks, wherein the two vertical frameworks are fixed by a plurality of connecting frameworks; two sliding grooves are symmetrically formed in one opposite side of the two supporting plates, and limiting grooves are formed in one sides of the sliding grooves; two storage boxes are arranged between the two supporting plates, and the storage boxes are divided into a plurality of cavities through a plurality of partition plates; the left and right sides of receiver all is equipped with the slide. The utility model is provided with a supporting plate, a storage box and a division plate; make two receivers can remove between two backup pads to through the partition of division board, make the inside of two receivers separate into a plurality of cavitys, can place different types of article classification in a plurality of cavitys, guarantee that the bottom of back skeleton can place multiple article, have the space that can utilize.

Description

Backrest framework assembly with bottom space utilization

Technical Field

The utility model relates to a back skeleton technical field specifically is the usable back skeleton subassembly of bottom space.

Background

The backrest framework is a key structural part of the seat assembly and mainly has the following functions: the correct sitting posture is kept, the support is provided for the upper body when the chair turns, and the upper body protection is provided when the chair collides. The performance of the back frame directly affects the strength, stiffness, stability of the seat assembly, and even the quality and grade of the seat assembly.

In the prior art, the bottom of the backrest frame can not be used for placing articles, and the space can not be used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an available back skeleton subassembly in bottom space to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the backrest framework assembly capable of being used in the bottom space comprises two vertical frameworks, the two vertical frameworks are fixed through a plurality of connecting frameworks, supporting plates are arranged at the bottom ends of the vertical frameworks, and connecting plates are arranged at the tops of the two supporting plates and on one side of the two vertical frameworks; two sliding grooves are symmetrically formed in one side, opposite to the two supporting plates, of each sliding groove, one end, away from the vertical framework, of each sliding groove is communicated with the outside, and a limiting groove is formed in one side of each sliding groove; two storage boxes are arranged between the two support plates, and the storage boxes are divided into a plurality of cavities through a plurality of partition plates; sliding plates are arranged on the left side and the right side of the storage box respectively, a limiting block is arranged on one side, away from the storage box, of each sliding plate, each sliding plate is located in each sliding groove, and each limiting block is located in each limiting groove; a handle is arranged on one side, away from the vertical framework, of the storage box; cylindrical grooves are symmetrically formed in the bottom of the supporting plate, springs are arranged in the cylindrical grooves, and universal wheels are arranged at the bottom ends of the springs.

Preferably, vertical skeleton, connection skeleton, backup pad and connecting plate are the integrated into one piece structure, receiver and division board are the integrated into one piece structure, the slide is the integrated into one piece structure with the stopper, the slide closely bonds with the receiver.

Preferably, the handle closely bonds with the receiver, slide and spout sliding connection, stopper and spacing groove sliding connection, the quantity of division board is 2 at least.

Preferably, the length of the limiting groove is smaller than that of the sliding groove, and the limiting block is located at the edge of one side of the sliding plate and far away from the handle.

Preferably, the top end of the spring is tightly welded with the top of the cylindrical groove, the bottom end of the spring is tightly welded with the top of the universal wheel, and the diameter of the spring is smaller than that of the cylindrical groove.

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

the backrest framework component which can be used in the bottom space is provided with a supporting plate, a containing box and a partition plate; make two receivers can remove between two backup pads to through the partition of division board, make the inside of two receivers separate into a plurality of cavitys, can place different types of article classification in a plurality of cavitys, guarantee that the bottom of back skeleton can place multiple article, have the space that can utilize.

Drawings

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

FIG. 2 is a schematic diagram of the partially exploded structure of the present invention;

FIG. 3 is a perspective view of the support plate of the present invention;

fig. 4 is a schematic structural diagram of the partial explosion of the present invention.

The various reference numbers in the figures mean:

a vertical skeleton 1; a connecting framework 11;

a support plate 2; a chute 21; a limiting groove 22; a cylindrical groove 23;

a connecting plate 3;

a storage box 4; a partition plate 41;

a slide 5; a stopper 51;

a handle 6;

a spring 7; and a universal wheel 71.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

the backrest framework assembly capable of being used in the bottom space comprises two vertical frameworks 1, the two vertical frameworks 1 are fixed through a plurality of connecting frameworks 11, supporting plates 2 are arranged at the bottom ends of the vertical frameworks 1, and connecting plates 3 are arranged at the tops of the two supporting plates 2 and on one sides of the two vertical frameworks 1; two sliding grooves 21 are symmetrically formed in one opposite side of each of the two supporting plates 2, one end, far away from the vertical framework 1, of each sliding groove 21 is communicated with the outside, and a limiting groove 22 is formed in one side of each sliding groove 21; two storage boxes 4 are arranged between the two support plates 2, and the storage boxes 4 are divided into a plurality of cavities through a plurality of partition plates 41; the left side and the right side of the storage box 4 are both provided with sliding plates 5, one side of each sliding plate 5, which is far away from the storage box 4, is provided with a limiting block 51, each sliding plate 5 is positioned in the sliding groove 21, and each limiting block 51 is positioned in the limiting groove 22; a handle 6 is arranged on one side of the storage box 4, which is far away from the vertical framework 1; cylindrical grooves 23 are symmetrically formed in the bottom of the supporting plate 2, springs 7 are arranged in the cylindrical grooves 23, and universal wheels 71 are arranged at the bottom ends of the springs 7.

Specifically, vertical skeleton 1, connection skeleton 11, backup pad 2 and connecting plate 3 are the integrated into one piece structure, and receiver 4 and division board 41 are the integrated into one piece structure, and slide 5 is the integrated into one piece structure with stopper 51, and slide 5 closely bonds with receiver 4, guarantees overall structure's stability.

Preferably, the handle 6 is tightly bonded with the storage box 4, the sliding plate 5 is slidably connected with the sliding groove 21, the limiting block 51 is slidably connected with the limiting groove 22, the storage box 4 can move between the two support plates 2 by pulling the handle 6 with hands, the sliding plate 5 moves in the sliding groove 21, the limiting block 51 moves in the limiting groove 22, an inner cavity of the storage box 4 is exposed to the outside, a plurality of articles can be placed in the inner cavity, and a usable space is ensured; the number of the partition plates 41 is at least 2, so that the partition plates 41 can be divided into a plurality of spaces for storing articles.

Specifically, the length of spacing groove 22 is less than the length of spout 21, and stopper 51 is located the edge of slide 5 one side and keeps away from handle 6, guarantees that receiver 4 removes between two backup pads 2, prescribes a limit to receiver 4's position in spacing groove 22 through stopper 51, avoids receiver 4 to shift out completely between two backup pads 2, guarantees receiver 4's stable in structure.

Further, the top of spring 7 closely welds with the top in cylinder groove 23, the bottom of spring 7 closely welds with the top of universal wheel 71, guarantee the stability of structure, the diameter of spring 7 is less than the diameter in cylinder groove 23, make spring 7 can drive universal wheel 71 and remove in cylinder groove 23, when spring 7 naturally extends, the bottom of universal wheel 71 is located the external world, make the integrated device remove through the roll of universal wheel 71, make things convenient for the integrated device to remove, when the bottom of universal wheel 71 and the bottom in cylinder groove 23 were on same horizontal plane, spring 7 was compressed the shortest.

It is worth to say that the height of backup pad 2 equals the sum of the height of two receivers 4, and two receivers 4 contact, and the receiver 4 of the superiors contacts with connecting plate 3, guarantees the article safety in the receiver 4, avoids having water to flow in.

When the backrest skeleton assembly with the usable bottom space is used, the handle 6 is held by hands and pulled, the storage box 4 is moved outwards from between the two support plates 2, the sliding plate 5 is moved in the sliding groove 21, the limiting block 51 is moved in the limiting groove 22, the space in the storage box 4 can be used, the space in the storage box 4 is divided into a plurality of cavities through the plurality of partition plates 41, a plurality of articles can be stored, and then the articles are respectively placed in the inner cavities; the handle 6 is pushed again to move the full storage box 4 into the bottom of the connecting plate 3 completely.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. Usable back skeleton subassembly of bottom space includes two vertical skeletons (1), its characterized in that: the two vertical frameworks (1) are fixed through a plurality of connecting frameworks (11), the bottom ends of the vertical frameworks (1) are provided with supporting plates (2), and the top parts of the two supporting plates (2) and one side of each vertical framework (1) are provided with a connecting plate (3); two sliding grooves (21) are symmetrically formed in one opposite side of each of the two supporting plates (2), one end, far away from the vertical framework (1), of each sliding groove (21) is communicated with the outside, and a limiting groove (22) is formed in one side of each sliding groove (21); two storage boxes (4) are arranged between the two support plates (2), and the storage boxes (4) are divided into a plurality of cavities through a plurality of partition plates (41); sliding plates (5) are arranged on the left side and the right side of the storage box (4), a limiting block (51) is arranged on one side, away from the storage box (4), of each sliding plate (5), each sliding plate (5) is located in each sliding groove (21), and each limiting block (51) is located in each limiting groove (22); a handle (6) is arranged on one side, away from the vertical framework (1), of the storage box (4); cylindrical grooves (23) are symmetrically formed in the bottom of the supporting plate (2), springs (7) are arranged in the cylindrical grooves (23), and universal wheels (71) are arranged at the bottom ends of the springs (7).

2. The bottom space available back frame assembly of claim 1, wherein: vertical skeleton (1), connection skeleton (11), backup pad (2) and connecting plate (3) are the integrated into one piece structure, receiver (4) and division board (41) are the integrated into one piece structure, slide (5) are the integrated into one piece structure with stopper (51), slide (5) closely bond with receiver (4).

3. The bottom space available back frame assembly of claim 1, wherein: handle (6) and receiver (4) closely bond, slide (5) and spout (21) sliding connection, stopper (51) and spacing groove (22) sliding connection, the quantity of division board (41) is 2 at least.

4. The bottom space available back frame assembly of claim 1, wherein: the length of spacing groove (22) is less than the length of spout (21), stopper (51) are located the edge of slide (5) one side and are kept away from handle (6).

5. The bottom space available back frame assembly of claim 1, wherein: the top end of the spring (7) is tightly welded with the top of the cylindrical groove (23), the bottom end of the spring (7) is tightly welded with the top of the universal wheel (71), and the diameter of the spring (7) is smaller than that of the cylindrical groove (23).

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