CN217137300U - Intelligent backrest inclination adjusting office chair - Google Patents

Abstract

The utility model provides an intelligent regulation back inclination office chair, include: the office chair comprises an office chair body, wherein an angle adjusting mechanism and a supporting mechanism are arranged on the office chair body; the angle adjusting mechanism comprises a driving motor fixedly installed at the bottom of the office chair body, the output end of the driving motor is fixedly connected with a rotating shaft, a plurality of rotating sleeves are fixedly sleeved on the outer ring of the rotating shaft, the rotating sleeves are rotatably connected with connecting rods, the other ends of the connecting rods are provided with a backrest, and the backrest is rotatably connected with the office chair body. The utility model discloses can adjust the angle of back according to staff's actual demand, improve the practicality of office chair body, reduce simultaneously that the staff can produce some waists or the painful problem of neck sitting for a long time, when the office chair body is in the horizontality, can improve the stability of office chair body simultaneously, take place to incline and cause the injury to the staff when avoiding having a rest.

Description

Intelligent backrest inclination adjusting office chair

Technical Field

The utility model relates to an office chair technical field especially relates to intelligent regulation back inclination office chair.

Background

People who work in offices can not leave the office chair, and the people need to frequently sit on the office chair for daily office work, so that higher requirements are needed for the comfort level of the office chair, for example, the integral design of the office chair, particularly the curve shape of the waist at the backrest, needs to be in accordance with the shape of human engineering so as to be more comfortable to sit.

Although the curve form of present office chair back department waist needs the form that accords with human engineering, can not adjust the angle of back, can not satisfy staff's actual demand, and sit for a long time and can produce some waists or be the pain of neck, and staff often sits and has a rest on office chair when noon break, and the rest effect is relatively poor, consequently, has proposed intelligent regulation back inclination office chair and has solved above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's weak point, provide intelligent regulation back inclination office chair, through driving motor isotructure, can adjust the angle of back according to staff's actual demand, improved office chair body's practicality, reduce simultaneously that the staff sits for a long time and can produce the painful problem of some waists or neck, through bracing piece isotructure, improved office chair body's stability, take place to incline and cause the injury to the staff when avoiding having a rest.

In order to achieve the above object, the utility model provides a following technical scheme: intelligent adjustment back inclination office chair includes: the office chair comprises an office chair body, wherein an angle adjusting mechanism and a supporting mechanism are arranged on the office chair body;

the angle adjusting mechanism comprises a driving motor fixedly installed at the bottom of the office chair body, the output end of the driving motor is fixedly connected with a rotating shaft, a plurality of rotating sleeves are fixedly sleeved on the outer ring of the rotating shaft, connecting rods are rotatably connected onto the rotating sleeves, the other ends of the connecting rods are provided with backrests, and the backrests are rotatably connected with the office chair body;

the supporting mechanism is used for supporting the office chair body.

Preferably, the supporting mechanism includes the fixed plate of fixed mounting in office chair body bottom, the first spring of one side fixedly connected with a plurality of fixed plate, the other end of first spring is provided with the bracing piece, the one end of bracing piece is rotated with one side that the fixed plate is close to driving motor and is connected, the fixedly connected with spliced pole between the cover rotates.

Preferably, the backrest is connected with two groups of fixing rods in a sliding mode, the number of each group of fixing rods is 2-4, the fixing rods are fixedly connected with a back cushion, and the back cushion is provided with a plurality of buffer holes.

Preferably, the back cushion is fixedly connected with a connecting plate, a cavity is formed between the connecting plate and the back cushion, and the connecting plate and the back cushion are integrally formed.

Preferably, a plurality of buffer springs are fixedly connected between the back cushion and the connecting plate.

Preferably, jacks are formed in two sides of the fixed rod and the backrest, and the limiting insertion frame is sleeved in the jacks in a sliding mode.

Preferably, the backrest is provided with a plurality of first sliding grooves, the first sliding grooves are sleeved with first sliding blocks in a sliding mode, and the other ends of the connecting rods are rotatably connected with the first sliding blocks.

Preferably, the office chair body is fixedly connected with a fixed shaft, and the backrest is rotatably sleeved with the fixed shaft.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses a driving motor, the connecting rod, rotating sleeve isotructure, wherein when needs angle regulation, start driving motor, driving motor starts to drive the pivot and rotates, the pivot is rotated and is driven and rotate the cover, it rotates and drives the connecting rod motion to rotate the cover, thereby make the back slope gradually, when adjusting suitable angle, close driving motor can, can adjust the angle of back according to staff's actual demand, the practicality of office chair body has been improved, reduce simultaneously that the staff sits the painful problem that can produce some waists or neck for a long time.

(2) The utility model discloses a bracing piece, spliced pole isotructure, wherein when the staff need have a rest, drive pivot ninety degrees clockwise rotation through driving motor for the back is in parallel state with the horizontal plane gradually, through spliced pole extrusion bracing piece, compresses first spring simultaneously, thereby makes the bottom and the ground butt of bracing piece, has improved the stability of office chair body, takes place to incline and leads to the fact the injury to the staff when avoiding having a rest.

To sum up, the utility model discloses can adjust the angle of back according to staff's actual demand, improve the practicality of office chair body, reduce simultaneously that the staff can produce the painful problem of some waists or neck for a long time sitting, when the office chair body is in the horizontality, can improve the stability of office chair body simultaneously, take place to incline and cause the injury to the staff when avoiding having a rest.

Drawings

FIG. 1 is a schematic view of a first perspective structure of an office chair with intelligently adjustable backrest inclination;

FIG. 2 is a schematic view of a second perspective structure of an office chair with intelligently adjustable backrest inclination;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a third perspective of an office chair with intelligently adjustable backrest inclination;

fig. 5 is an enlarged schematic view of B in fig. 4.

Reference numerals: 1. an office chair body; 2. back cushion; 3. a backrest; 4. fixing the rod; 5. limiting and inserting the frame; 6. a support bar; 7. a fixed shaft; 8. a drive motor; 9. a first spring; 10. connecting columns; 11. rotating the sleeve; 12. a fixing plate; 13. a connecting rod; 14. a rotating shaft; 15. a buffer spring.

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.

Example one

As shown in fig. 1-5, an intelligent adjustable backrest tilt office chair comprising: the office chair comprises an office chair body 1, wherein an angle adjusting mechanism and a supporting mechanism for supporting the office chair body 1 are arranged on the office chair body 1; angle adjustment mechanism includes the driving motor 8 of fixed mounting in office chair body 1 bottom, driving motor 8's output fixedly connected with pivot 14, a plurality of rotating sleeve 11 has been cup jointed to the outer lane of pivot 14 is fixed, it is connected with connecting rod 13 to rotate on the rotating sleeve 11, the other end of connecting rod 13 is provided with back 3, be provided with the elastic support unit on the back 3, back 3 rotates with office chair body 1 and is connected, when needs angle regulation, start driving motor 8, driving motor 8 starts and drives pivot 14 and rotate, pivot 14 rotates and drives rotating sleeve 11 and rotate, rotating sleeve 11 rotates and drives connecting rod 13 motion, thereby make back 3 slope gradually, when adjusting suitable angle, close driving motor 8 can.

In this embodiment, as shown in fig. 1 and fig. 2, the supporting mechanism includes fixed plate 12 of fixed mounting in office chair body 1 bottom, the first spring 9 of a plurality of fixedly connected with in one side of fixed plate 12, the other end of first spring 9 is provided with bracing piece 6, one end of bracing piece 6 is rotated with one side that fixed plate 12 is close to driving motor 8 and is connected, fixedly connected with spliced pole 10 between the cover 11 rotates, when the staff needs to have a rest, drive pivot 14 clockwise through driving motor 8 ninety degrees, make back 3 be in parallel state with the horizontal plane gradually, extrude bracing piece 6 through spliced pole 10 simultaneously, compress first spring 9, when pivot 14 clockwise ninety degrees, make the bottom of bracing piece 6 just can with the ground butt, the stability of office chair body 1 has been improved.

In this embodiment, as shown in fig. 1, fig. 2, the elastic support unit includes two sets of dead levers 4 of sliding connection on back 3, the quantity of every group dead lever 4 is 2-4, fixedly connected with cushion 2 on the dead lever 4, a plurality of buffering hole has been seted up on the cushion 2, the purpose that sets up like this, improve the deformation space of cushion 2 through the buffering hole, fixedly connected with connecting plate on the cushion 2, vacuole formation between connecting plate and the cushion 2, connecting plate and 2 integrated into one piece of cushion, the purpose that sets up like this, when the staff is lying prone the rest, can be under the effect of buffering hole, make expired gas pass to the external world through the cavity, a plurality of buffer spring 15 of fixedly connected with between cushion 2 and the connecting plate, elasticity through buffer spring 15 improves staff back comfort level.

In this embodiment, as shown in fig. 1 and fig. 2, the jack has been seted up to the both sides of dead lever 4 and back 3, and it has spacing inserted frame 5 to slide to cup joint in the jack, and the purpose that sets up like this is convenient for carry on spacingly through spacing inserted frame 5 to cushion 2, extracts spacing inserted frame 5, promotes cushion 2 and slides on back 3 for cushion 2 becomes the pillow of sleeping, satisfies staff's rest demand.

In this embodiment, as shown in fig. 1 and fig. 2, the backrest 3 is provided with a plurality of first sliding grooves, the first sliding grooves are slidably sleeved with first sliding blocks, and the other ends of the connecting rods 13 are rotatably connected with the first sliding blocks.

In this embodiment, as shown in fig. 1 and 2, a fixing shaft 7 is fixedly connected to the office chair body 1, and the backrest 3 is rotatably sleeved with the fixing shaft 7, so that the backrest 3 can rotate conveniently.

In this embodiment, as shown in fig. 1 and 2, the back cushion 2 is covered with a sponge layer.

In this embodiment, as shown in fig. 1 to 3, the driving motor 8 is fixedly connected to the bottom of the office chair body 1 through a screw.

Working procedure

When needs angle regulation, start driving motor 8, driving motor 8 starts to drive pivot 14 and rotates, pivot 14 rotates and drives rotation cover 11 and rotate, rotation cover 11 rotates and drives connecting rod 13 motion, thereby make back 3 slope gradually, when adjusting to suitable angle, close driving motor 8 can, when the staff needs the rest, drive pivot 14 clockwise rotation ninety degrees through driving motor 8, make back 3 be in the state parallel with the horizontal plane gradually, simultaneously through spliced pole 10 extrusion bracing piece 6, compress first spring 9, thereby make the bottom and the ground butt of bracing piece 6, the stability of office chair body 1 has been improved, later extract spacing rack 5, promote back cushion 2 and slide on back 3, make back cushion 2 become the pillow of sleeping, satisfy staff's rest demand.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. Intelligent adjustment back inclination office chair, its characterized in that includes: the office chair comprises an office chair body (1), wherein an angle adjusting mechanism and a supporting mechanism for supporting the office chair body (1) are arranged on the office chair body (1);

the angle adjusting mechanism comprises a driving motor (8) fixedly installed at the bottom of an office chair body (1), the output end of the driving motor (8) is fixedly connected with a rotating shaft (14), the outer ring of the rotating shaft (14) is fixedly sleeved with a plurality of rotating sleeves (11), the rotating sleeves (11) are rotatably connected with a connecting rod (13), the other end of the connecting rod (13) is provided with a backrest (3), the backrest (3) is provided with an elastic supporting unit, and the backrest (3) is rotatably connected with the office chair body (1);

the supporting mechanism comprises a fixed plate (12) fixedly installed at the bottom of an office chair body (1), a plurality of first springs (9) fixedly connected to one side of the fixed plate (12), supporting rods (6) are arranged at the other ends of the first springs (9), one end of each supporting rod (6) is rotatably connected with one side, close to a driving motor (8), of the fixed plate (12), and a connecting column (10) is fixedly connected between each rotating sleeve (11).

2. The office chair with the intelligent backrest inclination adjusting function according to claim 1, wherein the elastic supporting unit comprises two groups of fixing rods (4) slidably connected to the backrest (3), the number of each group of fixing rods (4) is 2-4, the fixing rods (4) are fixedly connected with the backrest (2), the backrest (2) is provided with a plurality of buffer holes, the backrest (2) is fixedly connected with a connecting plate, a cavity is formed between the connecting plate and the backrest (2), the connecting plate and the backrest (2) are integrally formed, and a plurality of buffer springs (15) are fixedly connected between the backrest (2) and the connecting plate.

3. The office chair with the intelligent backrest inclination adjusting function as claimed in claim 2, wherein two sides of the fixing rod (4) and the backrest (3) are provided with insertion holes, and the insertion holes are slidably sleeved with limiting insertion frames (5).

4. The office chair with the intelligent backrest inclination adjusting function according to claim 1, wherein the backrest (3) is provided with a plurality of first sliding grooves, first sliding blocks are sleeved in the first sliding grooves in a sliding mode, and the other ends of the connecting rods (13) are rotatably connected with the first sliding blocks.

5. The intelligent backrest inclination adjusting office chair according to claim 1, wherein a fixed shaft (7) is fixedly connected to the office chair body (1), and the backrest (3) is rotatably sleeved with the fixed shaft (7).

6. The intelligent backrest inclination adjusting office chair as claimed in claim 2, characterized in that the back cushion (2) is coated with a sponge layer.

7. The intelligent backrest inclination adjusting office chair as claimed in claim 1, wherein the drive motor (8) is fixedly connected with the bottom of the office chair body (1) by screws.

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