CN219556766U - Office chair convenient to adjust - Google Patents

Abstract

The utility model discloses an office chair convenient to adjust, which comprises a seat plate, supporting legs, a lifting structure, a buffer structure, universal wheels, an electric telescopic rod, a supporting plate, a leg movable structure, a backrest and an adjusting structure, wherein the seat plate is provided with a seat plate; four corners department fixed connection supporting leg of seat lower extreme, four supporting leg inner fixed mounting elevation structure, elevation structure outer end fixed connection buffer structure, buffer structure lower extreme fixed connection universal wheel, the electronic telescopic link of fixed connection in the middle of the seat lower extreme, electronic telescopic link lower extreme fixed connection backup pad, seat side are equipped with the spout, shank movable structure sliding connection spout, the seat is kept away from shank movable structure one end articulated back, and the seat lower extreme is located electronic telescopic link both sides fixed connection regulation structure. Compared with the prior art, the utility model has the advantages that: the utility model not only can automatically move legs, but also can adjust the angle of the backrest, thereby being convenient for moving and fixing.

Description

Office chair convenient to adjust

Technical Field

The utility model relates to the field of office chairs, in particular to an office chair convenient to adjust.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities, office partners divide office chairs into a narrow sense and a broad sense, the narrow sense office chairs are backrest chairs for people sitting on when performing desktop work in a sitting posture state, and the broad sense office chairs are all chairs used in offices, including office chairs, guest chairs, staff chairs, conference chairs, guest chairs, training chairs and the like.

Patent number among the prior art is CN 217959351U's patent discloses an office chair of office use be convenient for height-adjusting, relates to office chair technical field, including the base, the limit side of base lower extreme is installed and is removed the wheel, the upper end of base is provided with height-adjusting mechanism. According to the utility model, the telescopic rod, the arc-shaped connecting plate and the armrest mechanism are arranged, the locking bolt is driven to move outwards by rotating the adjusting handle, so that the locking bolt is separated from the telescopic rod, the height of the seat cushion can be moved, the distance between the backrest cushion and the seat cushion is adjusted by moving the arc-shaped connecting plate, after adjustment is finished, the limiting handle is rotated, the limiting handle is driven to move upwards by the threaded rod II, the arc-shaped connecting plate and the bearing plate are mutually locked and fixed, and the angle of the armrest mechanism can be adjusted, so that the overall flexibility is higher, the office chair can be conveniently adjusted according to the body shape and the use habit of a person, and the practicability is greatly improved.

However, the prior art patents suffer from several drawbacks:

(1) The prior art does not aim at the leg movement of the staff who sits on the office chair for a long time, so that the fatigue of the staff cannot be relieved;

(2) The angle of the backrest in the prior art cannot be adjusted, and a person cannot adjust the angle according to the own needs when using the backrest and can not perform half-lying relaxation when resting;

(3) The universal wheel installed at the bottom of the prior art cannot be retracted, so that the relatively stable seat required by partial personnel cannot be met, and the adjustment is inconvenient.

Disclosure of Invention

The utility model aims to overcome the technical defects, and provides the office chair which is convenient to adjust, not only can the legs automatically move, but also the backrest angle can be adjusted, and the office chair is convenient to move and fix.

In order to solve the problems, the technical scheme of the utility model is as follows: an office chair convenient to adjust comprises a seat plate, supporting legs, a lifting structure, a buffer structure, universal wheels, an electric telescopic rod, a supporting plate, a leg movable structure, a backrest and an adjusting structure;

preferably, four corners of the lower end of the seat plate are fixedly connected with supporting legs, lifting structures are fixedly arranged at the inner ends of the four supporting legs, the outer ends of the lifting structures are fixedly connected with buffer structures, the lower ends of the buffer structures are fixedly connected with universal wheels, the middle of the lower end of the seat plate is fixedly connected with an electric telescopic rod, the lower end of the electric telescopic rod is fixedly connected with a supporting plate, the side end of the seat plate is provided with a sliding chute, the movable structure of the leg is in sliding connection with the sliding chute, one end of the seat plate far away from the movable structure of the leg is hinged with a backrest, and the lower end of the seat plate is positioned at two sides of the electric telescopic rod and is fixedly connected with an adjusting structure;

preferably, the leg movable structure comprises a bearing plate, a connecting groove is formed in the middle of the upper end of the bearing plate, a sliding plate is arranged in the connecting groove, racks are arranged at two ends of the sliding plate, half gears are arranged on two sides of the sliding plate, the racks are meshed with the half gears, the half gears are rotationally connected with the bearing plate, a placing plate is arranged at the upper end of each half gear, a return frame is arranged at one end, far away from the seat, of the sliding plate, a rotating block is arranged inside the return frame, supports are arranged at two ends of the return frame, a rotating shaft is arranged inside the rotating block, and adjusting knobs are arranged at two ends of the rotating shaft.

Further, the lifting structure comprises a first motor, a first screw rod is arranged at the rotating end of the first motor, a movable plate is sleeved at the outer end of the first screw rod, a positioning rod is arranged inside one end, far away from the first screw rod, of the movable plate, and the movable plate is fixedly connected with the buffer structure.

Further, buffer structure includes the mounting panel, the inside lower extreme of mounting panel is equipped with the spring, the spring lower extreme is equipped with the connecting block, the connecting block both ends are equipped with the slide bar, slide bar sliding connection buffer structure inner wall.

Further, the back rear end is equipped with the installation piece, the inside bracing piece that is equipped with of installation piece, bracing piece articulates the installation piece.

Further, the adjusting structure comprises a second motor, a second screw rod is arranged at the rotating end of the second motor, the outer end of the screw rod is sleeved with a supporting seat, the second screw rod is in threaded connection with the inside of the supporting seat, and the other end of the supporting seat is hinged with a supporting rod.

Further, a battery is arranged at the lower end of the seat plate, an armrest is arranged at the upper end of the seat plate, and a controller is arranged at the upper end of the armrest.

Compared with the prior art, the utility model has the advantages that:

(1) According to the utility model, the legs can be automatically moved at any time by installing the leg moving structure, so that office workers can be prevented from being seated on an office chair for a long time and not getting exercise, and fatigue can be relieved;

(2) According to the utility model, the backrest is conveniently adjusted by installing the mounting block, the support rod, the second motor, the second screw and the support plate, so that a person can adjust the angle according to own needs when using the backrest and can also perform half-lying relaxation when resting;

(3) The utility model can change the landing mode of the office chair by installing the lifting structure, the buffer structure, the universal wheels, the electric telescopic rod and the supporting plate, and is convenient for moving and fixing.

Drawings

Fig. 1 is a perspective view of an office chair of the present utility model for ease of adjustment.

Fig. 2 is a perspective view of an office chair leg movement structure of the present utility model for easy adjustment.

Fig. 3 is a cross-sectional view of a support leg of an office chair of the present utility model for easy adjustment.

Fig. 4 is a sectional view showing an adjusting structure of an office chair according to the present utility model which is convenient to adjust.

Fig. 5 is a perspective view of an office chair of the present utility model for easy adjustment.

As shown in the figure: 1. a seat plate; 2. support legs; 3. a lifting structure; 4. a buffer structure; 5. a universal wheel; 6. an electric telescopic rod; 7. a support plate; 8. a leg movable structure; 9. a backrest; 10. an adjustment structure; 11. a chute; 12. a receiving plate; 13. a sliding plate; 14. a rack; 15. half-side gears; 16. placing a plate; 17. a square frame; 18. a rotating block; 19. a rotating shaft; 20. an adjustment knob; 21. a first motor; 22. a first screw; 23. a moving plate; 24. a positioning rod; 25. a mounting plate; 26. a spring; 27. a connecting block; 28. a slide bar; 29. a mounting block; 30. a support rod; 31. a second motor; 32. a second screw; 33. a support base; 34. an armrest; 35. a controller; 36. and (3) a bracket.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

As shown in fig. 1 to 5, an office chair convenient to adjust is provided, a sliding chute 11 is formed at the front end of a seat plate 1, a leg movable structure 8 slides in the sliding chute 11, the leg movable structure 8 comprises a bearing plate 12, a connecting groove is arranged in the middle of the upper end of the bearing plate 12, a sliding plate 13 slides in the connecting groove, racks 14 are arranged at two sides of the sliding plate 13, half gears 15 are arranged at two sides of the sliding plate 13, the racks 14 are meshed with the half gears 15, the half gears 15 can rotate on the bearing plate 12, a placing plate 16 is arranged at the upper end of the half gears 15, an arc plate is arranged at the outer end of the placing plate 16, a square frame 17 is arranged at the outer end of the sliding plate 13, a rotating block 18 is arranged in the square frame 17, two end mounting brackets 36 of the square frame 17, rotating shafts 19 are arranged in the inner ends of the rotating block 18, and adjusting knobs 20 are arranged at two ends of the rotating shafts 19 and are used for adjusting the clamping degree of the rotating block 18 and the square frame 17.

When the legs are required to be loosened or the legs are required to be moved, the leg movable structure 8 is pulled out, a person sits on the seat plate 1, the two legs are respectively placed on the two placement plates 16, the two legs are respectively opened to the two ends, the half gears 15 are driven to rotate, the sliding plates 13 are driven to slide, the clamping degree of the rotating blocks 18 and the square frame 17 is adjusted through the adjusting knob 20, the leg movement requirements of different persons are met, the problem that the person sitting on the office chair for a long time cannot exercise can be solved, and fatigue can be relieved.

The four corners of the lower end of the seat plate 1 are provided with the supporting legs 2, the inner ends of the four supporting legs 2 are provided with the lifting structure 3, the lifting structure 3 comprises a motor I21, the motor I21 is started to drive a screw I22 to rotate in a bearing, a moving plate 23 is sleeved with the screw I22 and is connected with the screw I22 through threads, the moving plate 23 is limited by a positioning rod 24, the moving plate 23 moves up and down on the screw I22, the outer end of the moving plate 23 is provided with a mounting plate 25, the lower end of the mounting plate 25 is provided with a spring 26, the lower end of the spring 26 is provided with a connecting block 27, the connecting block 27 slides in the buffer structure 4 through a sliding rod 28, and the lower end of the connecting block 27 is provided with a universal wheel 5, so that the universal wheel 5 can be controlled to ascend and descend, the mode of the office chair can be replaced, the office chair is convenient to move and fix, the buffer structure 4 is more comfortable and labor-saving when being used or moved, the middle of the lower end of the seat plate 1 is provided with an electric telescopic rod 6, the lower end of the electric telescopic rod 6 is provided with a supporting plate 7, the office chair is convenient to jack up, and the height of the universal wheel 5 is adjusted, and on the other hand is more stable when a person sits on the office chair.

Example two

The seat is improved on the basis of the first embodiment, the back 9 is hinged at the rear end of the seat 1, the mounting block 29 is mounted at the rear end of the back 9, the mounting block 29 is hinged to the supporting rod 30, the adjusting structure 10 is mounted at the lower end of the seat 1, the adjusting structure 10 comprises a motor II 31, the motor II 31 is started so as to drive the screw rod II 32 to rotate, the supporting seat 33 moves on the screw rod II 32, the supporting seat 33 is hinged to the lower end of the supporting rod 30, and therefore the angle of the back 9 is convenient to adjust, the angle of a person can be adjusted according to own needs during use, and half lying and relaxation can be carried out during rest.

The battery is arranged at the lower end of the seat board 1, the handrail 34 is arranged at the upper end of the seat board 1, the controller 35 is arranged at the upper end of the handrail 34, the electric structure is powered by the battery, and the controller 35 controls the switch, so that the electric seat is very convenient to use.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (6)

1. An office chair convenient to adjust, its characterized in that: comprises a seat plate (1), supporting legs (2), a lifting structure (3), a buffer structure (4), universal wheels (5), an electric telescopic rod (6), a supporting plate (7), a leg movable structure (8), a backrest (9) and an adjusting structure (10);

the seat plate is characterized in that four corners of the lower end of the seat plate (1) are fixedly connected with supporting legs (2), the inner ends of the supporting legs (2) are fixedly provided with lifting structures (3), the outer ends of the lifting structures (3) are fixedly connected with buffer structures (4), the lower ends of the buffer structures (4) are fixedly connected with universal wheels (5), the middle of the lower ends of the seat plate (1) are fixedly connected with electric telescopic rods (6), the lower ends of the electric telescopic rods (6) are fixedly connected with supporting plates (7), sliding grooves (11) are formed in the side ends of the seat plate (1), sliding grooves (11) are slidably connected with leg movable structures (8), one ends, far away from the leg movable structures (8), of the seat plate (1) are hinged with a backrest (9), and the lower ends of the seat plate (1) are positioned on two sides of the electric telescopic rods (6) and are fixedly connected with adjusting structures (10).

Shank activity structure (8) are including accepting board (12), it is equipped with the spread groove to accept in the middle of board (12) upper end, the spread groove is inside to be equipped with sliding plate (13), sliding plate (13) both ends are equipped with rack (14), sliding plate (13) both sides are equipped with half gear (15), half gear (15) are connected in rack (14) meshing, half gear (15) rotate and connect in accepting board (12), half gear (15) upper end is equipped with places board (16), sliding plate (13) are kept away from seat (1) one end and are equipped with back shape frame (17), back shape frame (17) inside is equipped with rotating block (18), back shape frame (17) both ends are equipped with support (36), rotating block (18) inside is equipped with pivot (19), pivot (19) both ends are equipped with adjust knob (20).

2. An office chair for facilitating adjustment according to claim 1, wherein: the lifting structure (3) comprises a motor I (21), a screw I (22) is arranged at the rotating end of the motor I (21), a moving plate (23) is sleeved at the outer end of the screw I (22), a positioning rod (24) is arranged inside one end, far away from the screw I (22), of the moving plate (23), and the moving plate (23) is fixedly connected with the buffer structure (4).

3. An office chair for facilitating adjustment according to claim 1, wherein: the buffer structure (4) comprises a mounting plate (25), a spring (26) is arranged at the lower end inside the mounting plate (25), a connecting block (27) is arranged at the lower end of the spring (26), sliding rods (28) are arranged at two ends of the connecting block (27), and the sliding rods (28) are connected with the inner wall of the buffer structure (4) in a sliding mode.

4. An office chair for facilitating adjustment according to claim 1, wherein: the back rest (9) rear end is equipped with installation piece (29), the inside bracing piece (30) that is equipped with of installation piece (29), bracing piece (30) articulated installation piece (29).

5. An office chair for facilitating adjustment according to claim 1, wherein: the adjusting structure (10) comprises a motor II (31), a screw rod II (32) is arranged at the rotating end of the motor II (31), the outer end of the screw rod II (32) is sleeved with a supporting seat (33), the screw rod II (32) is in threaded connection with the inside of the supporting seat (33), and the other end of the supporting seat (33) is hinged with a supporting rod (30).

6. An office chair for facilitating adjustment according to claim 1, wherein: the lower extreme of seat (1) is equipped with the battery, the upper end of seat (1) is equipped with handrail (34), handrail (34) upper end is equipped with controller (35).