Multifunctional chair based on elastic support

Abstract

The utility model relates to the technical field of chairs, in particular to a multifunctional chair based on elastic support, which comprises an air pressure rod and a leg supporting mechanism, a chair seat is arranged on the air pressure rod, and a chair cushion, an elastic supporting frame and two fixing blocks are arranged on the chair seat; the leg supporting mechanism comprises a leg supporting plate rotationally connected to the fixing block, a lengthening plate rotationally connected to the leg supporting plate and two baffles which are symmetrically distributed and rotationally connected to the leg supporting plate; the driving assembly comprises an electric cylinder of which the two ends are respectively provided with a second connecting piece and a third connecting piece, a first connecting piece arranged on the first mounting ring, and a fourth connecting piece arranged on the leg supporting plate; the first connecting piece is rotationally connected with the second connecting piece, and the third connecting piece is rotationally connected with the fourth connecting piece. According to the utility model, not only can the complexity of preparation work before the leg support is used be reduced, but also the condition that clothes are easy to fall off when being put on a chair can be avoided, and the practicability of the chair is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field, especially a kind of multifunctional chair based on elastic support. BACKGROUND

[0002] Multifunctional chair is a kind of chair with multiple functions. Multifunctional chair can better fit human body curve, disperse body pressure, and reduce discomfort caused by long sitting. For people who need to sit for a long time, such as office staff, students, etc., multifunctional chair can help maintain correct posture and reduce the risk of professional diseases such as lumbar disc herniation and cervical spondylosis caused by improper posture through reasonable design and adjustment.

[0003] Chinese patent with publication number CN222194554U discloses a leisure office chair, which includes a chair body. The chair body is provided with a telescopic leg support corresponding to the position of human leg. A waist pad is installed on the chair body corresponding to the position of human waist, and the waist pad is reinforced by a reinforcing rod. The chair is provided with a telescopic leg support on the chair body, which can conveniently support the user's legs, conforms to ergonomic design, and is beneficial to improve the comfort of the user's sitting. The telescopic design of the telescopic leg support allows the telescopic leg support to be stored in the bottom space of the chair body. The tray can also be flipped up and down, further improving the convenience of storage. The lower space of the chair is fully utilized, and the overall structure design is reasonable, taking into account ergonomics and space utilization. It gives the user a better sitting experience.

[0004] However, the above technical solution has the following disadvantages: although the chair can provide leg support larger than the user's legs, the flipping and fixing operation of the table legs is relatively troublesome, which is not conducive to use, reduces the use convenience of the chair, and the chair is not convenient to put on a coat like traditional chairs, which is easy to fall off. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and proposes a multifunctional chair based on elastic support, which not only reduces the complexity of preparation work before using the leg support, but also avoids the situation that clothes are easily dropped off when put on the chair, and improves the practicality of the chair.

[0006] The utility model discloses a technical scheme, a kind of multifunctional chair based on elastic support, including air pressure stick and leg mechanism;Air pressure stick is provided with seat, seat is provided with cushion, elastic support frame and two fixed blocks, and elastic support frame is provided with backrest;Leg mechanism includes leg support plate rotatably connected on fixed block, lengthening plate rotatably connected on leg support plate, two symmetrically distributed and rotatably connected on leg support plate baffle, first mounting ring arranged on air pressure stick, and drive assembly arranged on first mounting ring, drive assembly includes electric cylinder with second connecting piece and third connecting piece arranged at two ends respectively, first connecting piece arranged on first mounting ring, and fourth connecting piece arranged on leg support plate;First connecting piece and second connecting piece are rotatably connected, and third connecting piece and fourth connecting piece are rotatably connected.

[0007] Preferably, air pressure stick is provided with second mounting ring, and five annular arrays of chair legs are arranged on the second mounting ring, and rollers are arranged on the chair legs.

[0008] Preferably, elastic support frame is provided with mounting block, two symmetrically distributed and slidingly connected fixed plates are arranged on the mounting block, and hooks are arranged on the fixed plates.

[0009] Preferably, bolts are arranged through and abutted on the hooks, and the bolts are threadedly connected to the mounting block.

[0010] Preferably, an adjusting assembly is arranged in the mounting block, the adjusting assembly comprises a threaded rod rotatably arranged in the mounting block, a guide rod arranged in the mounting block, and a moving block arranged on the fixed plate, the moving block is threadedly connected to the threaded rod, and the moving block and the guide rod are slidingly connected.

[0011] Preferably, the threaded rod has two symmetrically distributed and oppositely screwing threaded portions, and the moving blocks on both sides are threadedly connected to the threaded portions.

[0012] Preferably, one end of the threaded rod penetrates through the mounting block and is provided with a hand wheel.

[0013] Preferably, two armrests are arranged on the seat, and a button is arranged on one side of the armrest.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] 1、The leg mechanism arranged in the utility model not only can quickly rotate the leg support plate from below the seat to extend the seat, but also can quickly overturn the lengthening plate on the leg support plate, extend the leg support plate length, provide comfortable rest conditions for users, and has good practicability.

[0016] 2. The utility model discloses a distance of two side hooks can be adjusted according to the size of clothes, so that the clothes of different sizes are stably hooked, and the clothes directly hung on the chair back can be prevented from sliding. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the isometric schematic diagram of the utility model;

[0019] Figure 3 It is Figure 1 The structure enlarged schematic diagram of A place in middle;

[0020] Figure 4 It is the structure schematic diagram of the utility model embodiment;

[0021] Figure 5 It is the local section schematic diagram of mounting block of the utility model.

[0022] Sign significance: 1, air pressure stick;2, chair seat;3, chair cushion;4, elastic support frame;5, chair back;6, fixed block;7, leg support plate;8, lengthening plate;9, baffle;10, first mounting ring;11, first connecting piece;12, second connecting piece;13, electric cylinder;14, third connecting piece;15, fourth connecting piece;16, second mounting ring;17, chair leg;18, gyro wheel;19, mounting block;20, threaded rod;21, hand wheel;22, moving block;23, fixed plate;24, guide rod;25, hook;26, bolt;27, armrest;28, button. DETAILED DESCRIPTION

[0023] Embodiment one

[0024] As Figures 1-5 The utility model discloses a kind of based on elastic support multifunctional chair proposed by the embodiment, including air pressure stick 1 and leg mechanism;Air pressure stick 1 is provided with chair seat 2, chair seat 2 is provided with chair cushion 3, elastic support frame 4 and two fixed blocks 6, elastic support frame 4 is provided with chair back 5, chair cushion 3 and chair back 5 are all used elastic support structure, so that person sits on chair cushion 3, not only hip feels comfortable, and leans on chair back 5, cooperation elastic support frame 4 can improve comfort, chair seat 2 is provided with two armrests 27, the armrest 27 on one side is provided with button 28.

[0025] The leg supporting mechanism comprises a leg supporting plate 7 rotatably connected to the fixed block 6, an extension plate 8 rotatably connected to the leg supporting plate 7, two symmetrically distributed and rotatably connected stop plates 9 to the leg supporting plate 7, a first mounting ring 10 arranged on the air pressure rod 1, and a driving assembly arranged on the first mounting ring 10, the driving assembly comprising an electric cylinder 13 with a second connecting piece 12 and a third connecting piece 14 arranged at two ends respectively, a first connecting piece 11 arranged on the first mounting ring 10, and a fourth connecting piece 15 arranged on the leg supporting plate 7; the first connecting piece 11 and the second connecting piece 12 are rotatably connected, the third connecting piece 14 and the fourth connecting piece 15 are rotatably connected, and the button 28 is used for controlling the start and stop of the electric cylinder 13.

[0026] In the embodiment, when a person is resting on the chair, the electric cylinder 13 can be controlled to drive the air rod to be elongated, the cylinder drives the third connecting piece 14 to move, the third connecting piece 14 and the fourth connecting piece 15 are relatively rotated, the first connecting piece 11 and the second connecting piece 12 are relatively rotated, and the fourth connecting piece 15 pushes the leg supporting plate 7 to rotate; when the leg supporting plate 7 is rotated to the maximum angle, the stop plate 9 on the leg supporting plate 7 is rotated to remove the blocking effect on the extension plate 8, and then the extension plate 8 is flipped to ensure that the user's leg can be easily supported on the leg supporting plate 7, and the operation is simple and convenient, and the multifunctional chair has good practicability.

[0027] Embodiment two

[0028] As shown in Figure 2 and Figure 5 , the multifunctional chair based on elastic support in the embodiment is provided with a mounting block 19 on the elastic support frame 4, two symmetrically distributed and slidably connected fixed plates 23 are arranged on the mounting block 19, a hook 25 is arranged on the fixed plate 23, a bolt 26 is arranged through and abuts on the hook 25, and the bolt 26 is threadedly connected to the mounting block 19.

[0029] The inside of the mounting block 19 is provided with an adjusting assembly, the adjusting assembly comprises a threaded rod 20 rotatably arranged in the inside of the mounting block 19, a guide rod 24 arranged in the inside of the mounting block 19, and a moving block 22 arranged on the fixed plate 23, the moving block 22 is threadedly connected to the threaded rod 20, the moving block 22 and the guide rod 24 are slidably connected, the threaded rod 20 has two symmetrically distributed and oppositely threaded screw portions, the two moving blocks 22 are threadedly connected to the two screw portions respectively, and one end of the threaded rod 20 penetrates through the mounting block 19 and is provided with a hand wheel 21.

[0030] In the embodiment, the collar of the clothes or the hat can be hung on the chair through the hooks 25 on both sides, and the distance between the hooks 25 on both sides can also be adjusted through the adjusting assembly, so that the hooks 25 can stably hook different sizes of clothes, and the situation that the clothes directly hung on the chair back 5 easily slip off is avoided, and the practicability of the chair is improved; when the distance between the hooks 25 is adjusted, the hand wheel 21 is rotated to rotate the threaded rod 20, so that the two threaded parts on the threaded rod 20 are respectively screwed with the moving blocks 22 on both sides, and under the guiding action of the guide rods 24, the moving blocks 22 drive the fixed plates 23 to approach or move away from each other, so as to adjust the distance between the hooks 25, and the operation is simple.

[0031] Embodiment three

[0032] As Figure 4 shown, the multifunctional chair based on elastic support provided in the embodiment is compared with the first embodiment, in the embodiment, the second mounting ring 16 is arranged on the air pressure rod 1, the five annular array distributed chair legs 17 are arranged on the second mounting ring 16, the rollers 18 are arranged on the chair legs 17, the chair legs 17 are used for supporting the whole chair, and the stability of the chair is guaranteed, and the rollers 18 are used for moving and adjusting the position and angle of the chair.

[0033] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A multi-functional chair based on elastic support, characterized by, The utility model relates to a chair with a leg folding mechanism, comprising: a gas pressure rod (1) provided with a seat (2), the seat (2) is provided with a cushion (3), an elastic support frame (4) and two fixing blocks (6), the elastic support frame (4) is provided with a back (5), a leg folding mechanism comprising a leg supporting plate (7) rotatably connected to the fixing blocks (6), an extension plate (8) rotatably connected to the leg supporting plate (7), two symmetrically distributed and rotatably connected baffle plates (9) to the leg supporting plate (7), a first mounting ring (10) provided on the gas pressure rod (1), and a drive assembly provided on the first mounting ring (10); the drive assembly comprises an electric cylinder (13) provided with a second connecting piece (12) and a third connecting piece (14) at two ends respectively, a first connecting piece (11) provided on the first mounting ring (10), and a fourth connecting piece (15) provided on the leg supporting plate (7); the first connecting piece (11) and the second connecting piece (12) are rotatably connected, and the third connecting piece (14) and the fourth connecting piece (15) are rotatably connected. The gas pressure rod (1) is provided with a second mounting ring (16), and the second mounting ring (16) is provided with five chair legs (17) arranged in an annular array, and the chair legs (17) are provided with rollers (18).

2. The multi-functional chair based on elastic support according to claim 1, characterized in that, The elastic support frame (4) is provided with a mounting block (19), the mounting block (19) is provided with two symmetrically distributed and slidably connected fixing plates (23), and the fixing plates (23) are provided with hooks (25).

3. The multi-functional chair based on elastic support according to claim 1, characterized in that, The hooks (25) are provided with bolts (26) penetrating and abutting, and the bolts (26) are threadedly connected to the mounting block (19).

4. The multi-functional chair based on elastic support according to claim 1, characterized in that, The inside of the mounting block (19) is provided with an adjusting assembly, the adjusting assembly comprises a threaded rod (20) rotatably arranged in the inside of the mounting block (19), a guide rod (24) arranged in the inside of the mounting block (19), and a moving block (22) arranged on the fixing plate (23), the moving block (22) is threadedly connected to the threaded rod (20), and the moving block (22) and the guide rod (24) are slidably connected.

5. A multi-functional chair based on elastic support according to claim 4, characterized in that, The threaded rod (20) has two symmetrically distributed and oppositely threaded threaded portions, and the moving blocks (22) on both sides are threadedly connected to the two threaded portions respectively.

6. A multi-functional chair based on elastic support according to claim 5, characterized in that, One end of the threaded rod (20) penetrates the mounting block (19) and is provided with a hand wheel (21).

7. The multi-functional chair based on elastic support according to claim 5, characterized in that, The seat (2) is provided with two armrests (27), and one side of the armrest (27) is provided with a button (28).

8. The multi-functional chair based on elastic support according to claim 1, characterized in that, ​

Images