CN215604363U

CN215604363U - Simple square chair capable of being changed for use

Info

Publication number: CN215604363U
Application number: CN202121372727.4U
Authority: CN
Inventors: 刘昕; 陈晨; 朱兆龙
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Elite Industrial Development Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-01-25
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a simple square chair capable of being used in a replaceable mode, which comprises a bottom plate, wherein two front supporting legs are fixedly connected to the front side of the bottom plate, two rear supporting legs are fixedly connected to the rear side of the bottom plate, the tops of the rear supporting legs penetrate through the top of the bottom plate, a bearing plate is placed on the top of the bottom plate, a memory sponge is fixedly connected to the top of the bearing plate, a connecting rod is fixedly connected between the two rear supporting legs, two rotating sleeves are rotatably connected to the surface of the connecting rod, and a rear leaning flat plate is fixedly connected to the tops of the two rotating sleeves. According to the utility model, the positions of the bearing plate and the memory sponge are arranged, so that a user can conveniently replace the memory sponge, the reclining flat plate can rotate through the matching use of the rotating sleeve and the wide annular groove, and the reclining flat plate can be limited through the matching use of the steel rod and the arc-shaped rotating plate, so that the aims of integrating a table and a chair and conveniently replacing a cushion can be achieved.

Description

Simple square chair capable of being changed for use

Technical Field

The utility model belongs to the technical field of chairs, and particularly relates to a simple square chair capable of being changed for use.

Background

The chair is a daily life furniture, a seat with a backrest and armrests, modern chairs pursue beauty and fashion, some chairs are not used as seats alone any more, and the life of human beings is more convenient under the combination of science and technology.

The function of the existing chair can only meet the basic requirement of 'sitting', the backrest of the chair is usually fixed on the chair, the chair may need to be changed into other usable functions in the process of actual use, and the existing chair does not have the function, cannot replace the cushion and has limited use range.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple square chair capable of being changed for use, which solves the problems that the function of the existing chair can only meet the basic requirement of sitting, the backrest of the chair is usually fixed on the chair, the chair can be changed into other usable functions in the actual use process, the existing chair does not have the function, the seat cushion cannot be changed, and the use range is limited.

The technical scheme for solving the technical problems is as follows: simple and easy square chair of convertible use, it includes the bottom plate, two front leg of front side fixedly connected with of bottom plate bottom, two back leg of back side fixedly connected with of bottom plate bottom, the top of back leg runs through to the top of bottom plate, the board has been placed and has been accepted at the top of bottom plate, the top fixedly connected with memory sponge of accepting the board, fixedly connected with connecting rod between two back legs, the surface rotation of connecting rod is connected with two and changes the cover, and two are changeed the top fixedly connected with of cover and lean on the flat board backward, the surface of connecting rod is seted up two and is changeed the wide annular groove of cover looks adaptation, change the cover and rotate the inner chamber of connecting in wide annular, two fixedly connected with steel poles between changeing the cover, the notch has been seted up to the front side of connecting rod, the inner chamber rotation of notch is connected with the arc and changes the board.

Preferably, the rear sides of the bearing plate and the memory sponge are provided with two arc-shaped openings matched with the rear support legs, the bottom of the bearing plate is fixedly connected with a plurality of cylinders, and the top of the bottom plate is provided with a plurality of circular grooves matched with the cylinders.

Preferably, the surface of arc commentaries on classics board both sides all is equipped with the torsional spring, and two relative one sides of torsional spring all weld with the arc commentaries on classics board mutually, and two one sides that the torsional spring was carried on the back mutually all weld with the inner wall of notch mutually.

Preferably, the surface of the connecting rod is fixedly connected with a fixed cylinder, and the inner cavity of the fixed cylinder is rotatably connected with a rotating cylinder.

Preferably, the rear side fixedly connected with handle of a rotation section of thick bamboo, the rear side of handle runs through to the outside of a fixed section of thick bamboo, the rear side of a fixed section of thick bamboo is opened and is equipped with the opening with handle looks adaptation, the narrow ring groove with a rotation section of thick bamboo looks adaptation is seted up on the surface of connecting rod.

Preferably, the front side of the bottom of the back flat plate is fixedly connected with two symmetrical arc-shaped clamping pieces, and the front side of the rear supporting leg is provided with a hole matched with the arc-shaped clamping pieces.

1. The utility model has the beneficial effects that: according to the utility model, the positions of the bearing plate and the memory sponge are arranged, so that a user can conveniently replace the memory sponge, the rotation of the reclining flat plate can be realized through the matching use of the rotating sleeve and the wide annular groove, the reclining flat plate can be limited through the matching use of the steel rod and the arc-shaped rotating plate, and the purposes of integrating a table and a chair and conveniently replacing a cushion can be achieved.

2. The supporting plate is limited by the matching use of the arc-shaped opening, the cylinder and the circular groove, so that the supporting plate cannot slide automatically when placed at the top of the bottom plate, and the stability of the supporting plate is improved.

3. According to the utility model, through the arrangement of the torsion spring, power is provided for the rotation of the arc-shaped rotating plate, so that the arc-shaped rotating plate can be restored to the original position, and then the arc-shaped rotating plate can automatically limit the steel rod, and the stability of the arc-shaped rotating plate is improved.

4. The fixed cylinder and the narrow ring groove are matched for use, so that the rotating cylinder and the handle are limited, the rotating cylinder and the handle cannot be separated from the surface of the connecting rod, and the rotating cylinder and the handle are matched for use, so that a user can conveniently relieve the limitation of the arc-shaped rotating plate on the steel rod.

5. The arc-shaped clamping piece is matched with the hole, so that a certain limiting effect is achieved for the reclining flat plate, the reclining flat plate cannot rotate automatically, and the stability of the reclining flat plate is improved.

Drawings

The above and/or other advantages of the utility model will become more apparent and more readily appreciated from the following detailed description taken in conjunction with the accompanying drawings, which are given by way of illustration only and not by way of limitation, and in which:

FIG. 1 is a schematic perspective view of one embodiment of the present invention;

FIG. 2 is a perspective view of the bottom plate, rear legs and connecting rods in accordance with one embodiment of the present invention;

FIG. 3 is a schematic, partially cross-sectional, left-side view of a connector rod in accordance with one embodiment of the present invention;

FIG. 4 is a perspective view of a stationary barrel, a rotatable barrel and a handle in accordance with one embodiment of the present invention;

FIG. 5 is a perspective view of a cylinder, a rotating sleeve and an arc-shaped clamping piece according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. bottom plate, 2, preceding landing leg, 3, back landing leg, 4, accept the board, 5, memory sponge, 6, arc opening, 7, cylinder, 8, circular slot, 9, connecting rod, 10, commentaries on classics cover, 11, the back is dull and stereotyped, 12, wide ring groove, 13, steel pole, 14, notch, 15, arc commentaries on classics board, 16, torsional spring, 17, a fixed cylinder, 18, a section of thick bamboo rotates, 19, handle, 20, opening, 21, narrow annular, 22, arc fastener, 23, hole.

Detailed Description

Hereinafter, an embodiment of the present invention of a simple square chair convertible in use will be described with reference to the accompanying drawings.

The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the utility model. Like reference numerals are used to denote like parts.

Fig. 1 to 5 show a simple square chair of an embodiment of the utility model, which can be used in a convertible manner, comprising a base plate 1: the front side of the bottom plate 1 is fixedly connected with two front supporting legs 2, the rear side of the bottom plate 1 is fixedly connected with two rear supporting legs 3, the top of each rear supporting leg 3 penetrates to the top of the bottom plate 1, the bearing plate 4 is placed on the top of the bottom plate 1, the top of the bearing plate 4 is fixedly connected with a memory sponge 5, two arc-shaped openings 6 matched with the rear supporting legs 3 are formed in the rear sides of the bearing plate 4 and the memory sponge 5, a plurality of cylinders 7 are fixedly connected to the bottom of the bearing plate 4, a plurality of circular grooves 8 matched with the cylinders 7 are formed in the top of the bottom plate 1, the arc-shaped openings 6, the cylinders 7 and the circular grooves 8 are matched for use, a limiting effect is achieved for the bearing plate 4, the bearing plate 4 cannot slide automatically when placed on the top of the bottom plate 1, the stability of the bearing plate 4 is improved, a connecting rod 9 is fixedly connected between the two rear supporting legs 3, and two rotating sleeves 10 are rotatably connected to the surface of the connecting rod 9, the top parts of the two rotating sleeves 10 are fixedly connected with a back rest flat plate 11, the surface of the connecting rod 9 is provided with two wide annular grooves 12 matched with the rotating sleeves 10, the rotating sleeves 10 are rotatably connected with the inner cavities of the wide annular grooves 12, a steel rod 13 is fixedly connected between the two rotating sleeves 10, the front side of the connecting rod 9 is provided with a notch 14, the inner cavities of the notch 14 are rotatably connected with arc rotating plates 15, the surfaces of two sides of each arc rotating plate 15 are respectively sleeved with a torsion spring 16, one side, opposite to the two torsion springs 16, is respectively welded with the arc rotating plate 15, one side, opposite to the two torsion springs 16, is respectively welded with the inner wall of the notch 14, power is provided for the rotation of the arc rotating plates 15 through the arrangement of the torsion springs 16, the arc rotating plates 15 can restore to the original position, then the arc rotating plates 15 can automatically limit the steel rod 13, the stability of the arc rotating plates 15 is improved, the surface of the connecting rod 9 is fixedly connected with a fixed cylinder 17, the inner cavity of the fixed cylinder 17 is rotatably connected with a rotating cylinder 18, the rear side of the rotating cylinder 18 is fixedly connected with a handle 19, the rear side of the handle 19 penetrates to the outer side of the fixed cylinder 17, the rear side of the fixed cylinder 17 is provided with a through hole 20 matched with the handle 19, the surface of the connecting rod 9 is provided with a narrow ring groove 21 matched with the rotating cylinder 18, the limiting effect is achieved for the rotating cylinder 18 and the handle 19 through the matching use of the fixed cylinder 17 and the narrow ring groove 21, the rotating cylinder 18 and the handle 19 can not be separated from the surface of the connecting rod 9, the rotating cylinder 18 and the handle 19 are matched for use, the limitation of the arc rotating plate 15 on the steel rod 13 is relieved by a user conveniently, the front side of the bottom of the back-leaning flat plate 11 is fixedly connected with two symmetrical arc clamping pieces 22, the front side of the back leg 3 is provided with a hole 23 matched with the arc clamping pieces 22, and the hole 23 are matched for use, and play a certain limiting effect on the back-leaning flat plate 11, the reclining flat plate 11 can not rotate by itself, and the stability of the reclining flat plate 11 is improved.

The working principle is as follows: when the utility model is used, a user can directly rotate the reclining flat plate 11 by taking the receiving plate 4 upwards and then taking the receiving plate 4 forwards and replace the receiving plate 4 and the memory sponge 5, if the reclining flat plate 11 is used as a table top, the reclining flat plate 11 can be directly rotated, the arc clamping piece 22 can be deformed and separated from the inner cavity of the hole 23 when the reclining flat plate 11 rotates until the steel rod 13 moves to the front side of the arc rotating plate 15, then the reclining flat plate 11 is continuously rotated, the steel rod 13 can slide on the front side of the arc rotating plate 15, the arc rotating plate 15 can rotate and twist the torsion spring 16, when the steel rod 13 is separated from the arc rotating plate 15, the arc rotating plate 15 can restore to the original position under the action of the resilience of the torsion spring 16, the arc rotating plate 15 can limit the steel rod 13, if the reclining flat plate 11 needs to be folded, the user firstly rotates the reclining flat plate 11 backwards, make steel pole 13 break away from with the laminating of arc commentaries on classics board 15, then rotate handle 19 again for handle 19 can drive a rotation section of thick bamboo 18 and stir arc commentaries on classics board 15 and rotate, then will lean on dull and stereotyped 11 to rotate to the front side of back landing leg 3 and press back and lean on dull and stereotyped 11, make arc fastener 22 enter into the inner chamber of hole 23 once more, can reach the integrative purpose that is convenient for change the cushion of table chair.

In summary, the following steps: this simple and easy square chair of convertible use, setting through the position of accepting board 4 and memory sponge 5, the person of being convenient for uses changes memory sponge 5, cooperation through swivel sleeve 10 and wide ring groove 12 is used, make the back flat board 11 can rotate, cooperation through steel pole 13 and arc commentaries on classics board 15 is used, make the back flat board 11 can be spacing, can reach the integrative purpose that is convenient for change the cushion of table chair, the function of solving current chair can only satisfy the basic demand of "sitting" usually, the back of this kind of chair is fixed on the chair usually, make in-process of in-service use, probably need transform the chair into other usable functions, and current chair does not have this kind of function, and can not change the cushion, application range has the problem of limitation.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the utility model, so as to achieve the purpose of the utility model.

Claims

1. Simple square chair capable of being transformed and used is characterized by comprising a bottom plate (1): the front side of the bottom plate (1) is fixedly connected with two front supporting legs (2), the rear side of the bottom plate (1) is fixedly connected with two rear supporting legs (3), the top of each rear supporting leg (3) penetrates through the top of the bottom plate (1), the top of the bottom plate (1) is placed with a bearing plate (4), the top of the bearing plate (4) is fixedly connected with a memory sponge (5), a connecting rod (9) is fixedly connected between the two rear supporting legs (3), the surface of the connecting rod (9) is rotatably connected with two rotating sleeves (10), the top of the two rotating sleeves (10) is fixedly connected with a rear leaning plate (11), the surface of the connecting rod (9) is provided with two wide annular grooves (12) matched with the rotating sleeves (10), the rotating sleeves (10) are rotatably connected with the inner cavity of the wide annular grooves (12), and a steel rod (13) is fixedly connected between the two rotating sleeves (10), the front side of connecting rod (9) is opened and is equipped with notch (14), the inner chamber of notch (14) rotates and is connected with arc commentaries on classics board (15).

2. The simple square chair capable of being changed for use according to claim 1, wherein the rear sides of the bearing plate (4) and the memory sponge (5) are respectively provided with two arc-shaped openings (6) matched with the rear support legs (3), the bottom of the bearing plate (4) is fixedly connected with a plurality of cylinders (7), and the top of the bottom plate (1) is provided with a plurality of circular grooves (8) matched with the cylinders (7).

3. The simple square chair capable of being changed in use according to claim 2, wherein torsion springs (16) are sleeved on the surfaces of the two sides of the arc-shaped rotating plate (15), one sides of the two torsion springs (16) opposite to each other are welded with the arc-shaped rotating plate (15), and the other sides of the two torsion springs (16) opposite to each other are welded with the inner wall of the notch (14).

4. The simple square chair capable of being changed in use according to claim 3, wherein a fixed cylinder (17) is fixedly connected to the surface of the connecting rod (9), and a rotating cylinder (18) is rotatably connected to the inner cavity of the fixed cylinder (17).

5. The simple square chair capable of being changed and used according to claim 4, wherein a handle (19) is fixedly connected to the rear side of the rotating cylinder (18), the rear side of the handle (19) penetrates through the outer side of the fixed cylinder (17), a through hole (20) matched with the handle (19) is formed in the rear side of the fixed cylinder (17), and a narrow ring groove (21) matched with the rotating cylinder (18) is formed in the surface of the connecting rod (9).

6. The simple square chair capable of being used in a convertible manner as claimed in claim 5, wherein two symmetrical arc-shaped clamping pieces (22) are fixedly connected to the front side of the bottom of the reclining flat plate (11), and holes (23) matched with the arc-shaped clamping pieces (22) are formed in the front side of the rear supporting leg (3).