CN223873591U - Multifunctional chair based on elastic support - Google Patents

Abstract

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

Description

Multifunctional chair based on elastic support

Technical Field

The utility model relates to the technical field of chairs, in particular to a multifunctional chair based on elastic support.

Background

The multifunctional chair is a chair with multiple functions. The multifunctional chair can better fit the human body curve, disperse the body pressure and relieve the discomfort caused by sedentary sitting. For people needing long-time sitting, such as office staff, students and the like, the multifunctional chair can help maintain the correct sitting posture through reasonable design and adjustment, and reduce the occurrence risks of occupational diseases such as lumbar disc herniation, cervical spondylosis and the like caused by improper sitting posture.

The Chinese patent with the bulletin number of CN222194554U discloses a leisure office chair, which comprises a chair body, wherein a telescopic leg support is arranged at the position of the chair body corresponding to the legs of a human body, a waist support pad is arranged at the position of the chair body corresponding to the waist of the human body, and the waist support pad is reinforced by a reinforcing rod. This chair is through installing scalable leg support additional on the chair body, conveniently support user's shank, accord with ergonomic design, be favorable to improving user's sitting comfort, utilize scalable design that scalable leg supported, conveniently with scalable leg support receive to the bottom space of chair body, the layer board can also overturn from top to bottom moreover, further improve and accomodate the convenience, make full use of the lower space of chair, overall structure reasonable in design has taken into account ergonomics and space utilization, better sitting and leaning on experience has been given the user.

However, the technical scheme has the following defects that the chair can be supported by providing the leg support which is larger than the legs of a user, but the turnover fixing operation of the table legs is more troublesome, the use is not convenient, the use convenience of the chair is reduced, and the chair is inconvenient to put on the outer sleeve like the traditional chair, and the situation of falling easily occurs.

Disclosure of utility model

The utility model aims at solving the problems in the background art, and provides a multifunctional chair based on elastic support, which not only can reduce the complicated degree of preparation work before using leg supports, but also can avoid the condition that clothes are easy to fall off when being put on the chair, and improves the practicability of the chair.

The technical scheme includes that the multifunctional chair based on elastic support comprises an air pressure rod and a leg-building mechanism, wherein a chair seat is arranged on the air pressure rod, a chair cushion, an elastic support frame and two fixing blocks are arranged on the chair seat, a chair back is arranged on the elastic support frame, the leg-building mechanism comprises a leg supporting plate, an extension plate, two baffle plates, a first mounting ring and a driving assembly, the leg supporting plate is rotatably connected to the leg supporting plate, the baffle plates are symmetrically distributed and rotatably connected to the leg supporting plate, the first mounting ring is arranged on the air pressure rod, the driving assembly is arranged on the first mounting ring, the driving assembly comprises an electric cylinder, two ends of the electric cylinder are respectively provided with a second connecting piece and a third connecting piece, the first connecting piece is arranged on the first mounting ring, the fourth connecting piece is arranged on the leg supporting plate, the first connecting piece is rotatably connected with the second connecting piece, and the third connecting piece is rotatably connected with the fourth connecting piece.

Preferably, the air pressure rod is provided with a second mounting ring, the second mounting ring is provided with five chair legs distributed in a ring-shaped array, and the chair legs are provided with rollers.

Preferably, the elastic support frame is provided with a mounting block, two symmetrically distributed fixing plates in sliding connection are arranged on the mounting block, and hooks are arranged on the fixing plates.

Preferably, the hook is provided with a bolt in a penetrating and abutting manner, and the bolt is connected to the mounting block in a threaded manner.

Preferably, the inside of installation piece is provided with adjusting part, and adjusting part is including rotating the threaded rod that sets up in the installation piece inside, setting up at the inside guide bar of installation piece to and set up the movable block on the fixed plate, movable block threaded connection is on the threaded rod, movable block and guide bar sliding connection.

Preferably, the threaded rod is provided with two symmetrically-distributed threaded parts with opposite spiral directions, and the moving blocks on two sides are respectively in threaded connection with the two threaded parts.

Preferably, one end of the threaded rod extends through the mounting block and is provided with a hand wheel.

Preferably, the seat is provided with two armrests, and one side of the armrests is provided with a button.

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

1. According to the utility model, the leg supporting plate can be rapidly rotated from the lower part of the chair seat to extend out of the chair seat through the leg supporting mechanism, the lengthened plate on the leg supporting plate can be rapidly turned over, the leg supporting length of the leg supporting plate is prolonged, comfortable rest conditions are provided for a user, and the chair is simple and convenient to operate and has good practicability.

2. According to the utility model, the distance between the hooks at two sides can be adjusted according to the size of clothes by the adjusting component, so that clothes with different sizes can be stably hooked, and the condition that the clothes are easy to slide when being directly hung on the chair back is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an isometric view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 4 is a schematic diagram of an embodiment of the present utility model;

Fig. 5 is a schematic partial cross-sectional view of a mounting block of the present utility model.

Reference numeral 1, an air pressure rod; 2, a seat, 3, a seat cushion, 4, an elastic supporting frame, 5, a seat back, 6, a fixed block, 7, a leg supporting plate, 8, an extension plate, 9, a baffle, 10, a first mounting ring, 11, a first connecting piece, 12, a second connecting piece, 13, an electric cylinder, 14, a third connecting piece, 15, a fourth connecting piece, 16, a second mounting ring, 17, a chair foot, 18, a roller, 19, a mounting block, 20, a threaded rod, 21, a hand wheel, 22, a moving block, 23, a fixed plate, 24, a guide rod, 25, a hook, 26, a bolt, 27, an armrest, 28 and a button.

Detailed Description

Example 1

As shown in fig. 1-5, the multifunctional chair based on elastic support provided by the embodiment comprises a pneumatic rod 1 and a leg-building mechanism, wherein a seat 2 is arranged on the pneumatic rod 1, a seat cushion 3, an elastic support frame 4 and two fixing blocks 6 are arranged on the seat 2, a chair back 5 is arranged on the elastic support frame 4, and the seat cushion 3 and the chair back 5 are both of elastic support structures, so that a person sits on the seat cushion 3, not only can the buttocks feel comfortable, but also the comfort can be improved by matching with the elastic support frame 4 when leaning against the chair back 5, two armrests 27 are arranged on the seat 2, and buttons 28 are arranged on the armrests 27 on one side.

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

In this embodiment, when a person sits on a chair to rest, the electric cylinder 13 can be controlled to drive the air rod to extend, the cylinder drives the third connecting piece 14 to move, so that the third connecting piece 14 and the fourth connecting piece 15 relatively rotate, and then the first connecting piece 11 and the second connecting piece 12 relatively rotate, and meanwhile, the fourth connecting piece 15 pushes the leg supporting plate 7 to rotate, and after the leg supporting plate 7 rotates to the maximum angle, the baffle 9 on the leg supporting plate 7 rotates to remove the blocking effect on the lengthened plate 8, and then the lengthened plate 8 can be turned over, so that the legs of the user can be easily and conveniently put on the leg supporting plate 7.

Example two

As shown in fig. 2 and fig. 5, in the embodiment, compared with the first embodiment, the elastic support-based multifunctional chair provided in the present embodiment is provided with the mounting block 19 on the elastic support frame 4, two symmetrically distributed and slidingly connected fixing plates 23 are provided on the mounting block 19, hooks 25 are provided on the fixing plates 23, bolts 26 are provided on the hooks 25 in a penetrating and abutting manner, and the bolts 26 are in threaded connection with the mounting block 19.

The inside of installation piece 19 is provided with adjusting part, adjusting part is including rotating the threaded rod 20 that sets up in the inside of installation piece 19, the guide bar 24 that sets up in the inside of installation piece 19, and the movable block 22 of setting on fixed plate 23, movable block 22 threaded connection is on threaded rod 20, movable block 22 and guide bar 24 sliding connection have two symmetrical distribution and spiral screw thread portion opposite to on the threaded rod 20, the movable block 22 of both sides respectively with two screw thread portion threaded connection, the one end of threaded rod 20 runs through installation piece 19 and is provided with hand wheel 21.

In the embodiment, the neckline or hat of clothes can be hung on a chair through the hooks 25 on two sides, the distance between the hooks 25 on two sides can be adjusted through the adjusting assembly, so that the hooks 25 can stably hook clothes with different sizes, the condition that the clothes are directly hung on the chair back 5 and easily slide down is avoided, the practicability of the chair is improved, when the distance between the hooks 25 is adjusted, the threaded rod 20 is rotated through the hand wheel 21, two threaded parts on the threaded rod 20 are screwed with the moving blocks 22 on two sides respectively, and under the guiding action of the guide rod 24, the moving blocks 22 can drive the fixing plates 23 to be mutually close to or far away from each other, so that the distance between the hooks 25 is adjusted, and the operation is simple.

Example III

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

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (8)

1. A multifunctional chair based on elastic support, characterized by comprising:

The air pressure rod (1) is provided with a seat (2), the seat (2) is provided with a seat cushion (3), an elastic support frame (4) and two fixing blocks (6), and the elastic support frame (4) is provided with a seat back (5);

the leg-building mechanism comprises a leg supporting plate (7) connected to a fixed block (6) in a rotating mode, an extension plate (8) connected to the leg supporting plate (7) in a rotating mode, two baffle plates (9) which are symmetrically distributed and connected to the leg supporting plate (7) in a rotating mode, a first mounting ring (10) arranged on a pneumatic rod (1) and a driving assembly arranged on the first mounting ring (10), wherein the driving assembly comprises an electric cylinder (13) with two ends provided with a second connecting piece (12) and a third connecting piece (14) 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) is connected with the second connecting piece (12) in a rotating mode, and the third connecting piece (14) is connected with the fourth connecting piece (15) in a rotating mode.

2. The multifunctional chair based on elastic support according to claim 1, characterized in that a second mounting ring (16) is arranged on the air pressure rod (1), five chair legs (17) distributed in a ring-shaped array are arranged on the second mounting ring (16), and rollers (18) are arranged on the chair legs (17).

3. The multifunctional 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 slidingly connected fixing plates (23), and the fixing plates (23) are provided with hooks (25).

4. A multifunctional 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 screwed on the mounting blocks (19).

5. The multifunctional chair based on elastic support according to claim 4, wherein the inside of the mounting block (19) is provided with an adjusting assembly comprising a threaded rod (20) rotatably arranged inside the mounting block (19), a guide rod (24) arranged inside the mounting block (19), and a moving block (22) arranged on a fixed plate (23), wherein the moving block (22) is in threaded connection with the threaded rod (20), and the moving block (22) is in sliding connection with the guide rod (24).

6. The multifunctional chair based on elastic support according to claim 5, wherein the threaded rod (20) is provided with two symmetrically distributed threaded portions with opposite spiral directions, and the moving blocks (22) on two sides are respectively in threaded connection with the two threaded portions.

7. A multifunctional 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).

8. A multifunctional chair based on elastic support according to claim 1, characterized in that the seat (2) is provided with two armrests (27), and that the armrests (27) on one side are provided with push buttons (28).