CN108477890B - A multifunctional health care office chair - Google Patents

Abstract

The invention discloses a multifunctional health-care office chair, which belongs to the technical field of office furniture. The sleeved support shaft and the chair legs connected with the support shaft, the armrests are arranged on both sides of the seat seat, a torsion mechanism is arranged in the seat support frame under the seat seat, and both sides of the seat seat are provided with a traction cable and two traction cables One end of the two traction cables is connected with the torsion mechanism, and the other end is provided with a handle; the outer side of the torsion mechanism is provided with a torsion mechanism box. The beneficial effects of the invention are as follows: the multifunctional health care office chair provided by the invention has a simple shape and a moderate volume, can be used for both office and health care, integrates the health care of arms, legs and waist, is simple to operate, and can realize manual, Leg movement or fully automated.

Description

A multifunctional health care office chair

technical field

The invention relates to the technical field of office furniture, in particular to a multifunctional health care office chair.

Background technique

With the acceleration of the pace of life, people's life pressure is increasing, and they have less and less time to exercise. Especially for office workers, sitting in front of the computer all day and lack of necessary activities can easily lead to stiffness in the arms and legs of the body. , waist pain, and even waist disease, and due to the particularity of the office space, the health care chair suitable for the office requires a simple shape and the volume should not be too large, so the health care chairs in the current market cannot meet the above requirements.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a multifunctional health care office chair.

In order to achieve the above object of the invention, the present invention provides

A multifunctional health care office chair, comprising a seat, a back, an armrest, a seat support frame fixed below the seat seat, and a support shaft disposed in the center of the seat support frame and sleeved with the seat support frame, and the chair legs connected with the support shaft, the armrests are arranged on both sides of the chair seat, the torsion mechanism is arranged in the seat support frame under the chair seat, and the two sides of the chair seat are provided with traction cables one and two The first traction cables are all passed through the seat, a fixed pulley is arranged at the corners of the first traction cables, one end of the two traction cables is connected with the torsion mechanism, and the other ends are provided with handles.

Further, the torsion mechanism includes a large bevel gear fixed on the upper end of the support shaft with a downward tooth surface, and a small bevel gear that meshes with the large bevel gear and is distributed along the radial direction of the large bevel gear, and the small bevel gear is far away from the large bevel gear. One end of the tooth cone is provided with a rotating shaft, the rotating shaft is fixed on the lower end surface of the seat by the shaft seat, the end of the rotating shaft is provided with a disengagement baffle plate, and a winding shaft is arranged between the rotating shaft and the tooth cone, One end of the two traction cables is wound around the winding shaft of the pinion bevel gear. When in use, after sitting firmly in the multifunctional health care office chair, hold the handle with both hands to alternately pull the handle to drive the small bevel gear to rotate back and forth, and the small bevel gear meshes with the large bevel gear and The large bevel gear is fixed, and the small bevel gear rotates back and forth around the large bevel gear, driving the seat fixed to the small bevel gear to rotate back and forth, and the waist of the person sitting on the seat performs a twisting motion to achieve The effect of health care for arms and waist at the same time.

Further, a drive motor is arranged behind the torsion mechanism, and the drive motor is a capacitive single-phase AC motor. The drive motor is meshed with the large bevel gear through an electromagnetic clutch, a reducer and a motor bevel gear to form electric power. A drive train, a reversing switch is arranged in the control circuit of the drive motor, a motor case is arranged outside the drive motor, and the drive motor and the motor case are both arranged in the seat support frame and fixed on the chair below the seat. When in use, after sitting firmly in the multifunctional health care office chair, turn on the power switch button, and the electromagnetic clutch connects the output end of the drive motor and the drive shaft of the motor bevel gear, because the drive motor is Capacitive single-phase AC motor, the reversing switch in its control loop automatically commutates in place, the motor bevel gear rotates back and forth, and the same as the manual mode, the waist of the person sitting on the multi-functional health care office chair does a twisting motion to achieve The effect of waist health care, the capacitive single-phase AC motor is in the prior art, and will not be repeated here, and the torsion speed can also be adjusted by pressing the speed adjustment button during use.

Further, two traction cables two are arranged under the front end of the seat seat, the second traction cables are all penetrated in the seat seat, and fixed pulleys are arranged at the corners of the second traction cables. One end is wound around the winding shaft of the bevel pinion gear of the torsion mechanism, and the other end is provided with a pedal. When in use, after sitting firmly in the multifunctional health care office chair, only the pedals can be used to drive the pinion gear to rotate back and forth, or the handle and the pedals can be used at the same time. And waist or arms, legs and waist at the same time to exercise, to achieve the effect of health care.

Further, the power switch button is arranged on the lower end face of the armrest to facilitate turning on the electric mode.

Further, the lower end face of the armrest is also provided with a speed control button, and the torsion speed is adjustable.

Further, a storage box is provided on the outside of the torsion mechanism box, which facilitates storage of the handle or the pedal after use.

Further, a wire groove is provided below the first traction cable on both sides of the seat seat, and the first traction cable is further accommodated.

Still further, the chair legs are liftable chair legs, and the lift adjustment handle is arranged on the seat support frame to meet the needs of different heights. The liftable chair legs are in the prior art, and will not be repeated here. .

Further, the chair legs include a lifting sleeve and a plurality of support legs arranged below the lifting sleeve and evenly distributed in the circumferential direction, and a brake universal wheel is arranged under the support legs, so that when using the multi-functional health care When the office chair is used, the brake swivel wheel is locked to ensure the safety of the user. The brake swivel wheel is in the prior art and will not be repeated here.

The beneficial effects of the invention are as follows: the multifunctional health care office chair provided by the invention has a simple shape and a moderate volume, can be used for both office and health care, integrates the health care of arms, legs and waist, and is easy to operate, and can realize manual, Leg movement or fully automated.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a torsion mechanism with an axle seat according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a torsion mechanism in an embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a gear meshing mechanism in an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of the bevel pinion gear in the embodiment of the present invention.

Wherein, the reference signs are: 10, seat; 11, seat support frame; 12, seat back; 13, armrest; 14, support shaft; 15, wire groove; 16, storage box; 17, shaft seat; 20, Torsion mechanism box; 21, large bevel gear; 22, small bevel gear; 221, tooth cone; 222, winding shaft; 223, rotating shaft; 224, anti-drop baffle; 23, motor bevel gear; 24, drive shaft; 25, Traction cable 1; 26, handle; 27, traction cable 2; 28, pedal; 29, fixed pulley; 30, motor case; 31, speed control button; 32, power switch button; Adjusting handle; 42. Support leg; 43. Brake universal wheel.

Detailed ways

In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementations.

The embodiment of the present invention provides a multifunctional health care office chair, which includes a seat 10, a seat back 12, an armrest 13, a seat support frame 11 fixed under the seat 10, and a seat support frame 11 arranged in the center of the seat support frame 11 and the seat seat The support shaft 14 sleeved by the support frame 11, and the chair legs connected with the support shaft 14, the armrests 13 are arranged on both sides of the seat 10, the seat support frame 11 under the seat 10 is provided with a torsion mechanism, and the torsion mechanism includes a fixed The large bevel gear 21 with the teeth on the upper end of the support shaft 14 facing downward, meshes with the large bevel gear 21 and the small bevel gears 22 distributed along the radial direction of the large bevel gear 21. There are two small bevel gears 22, which are respectively arranged in the large bevel gear On the left and front sides of the gear 21, the end of the bevel pinion 22 away from the tooth bevel 221 is provided with a rotating shaft 223, the rotating shaft 223 is fixed on the lower end face of the seat 10 by the shaft seat 17, and the end of the rotating shaft 223 is provided with a disengagement prevention baffle 224, a bobbin 222 is arranged between the rotating shaft 223 and the tooth cone 221, a traction cable 1 25 is provided on both sides of the seat 10, and the two traction cables 1 25 are both penetrated in the seat 10, and the corner of the traction cable 1 25 is provided. A fixed pulley 29 is provided, and one end of the two traction cables 25 is wound around the winding shaft 222 of the small bevel gear 22 on the front side of the large bevel gear 21 in the torsion mechanism, and the direction is opposite. 10 Two traction cables 27 are arranged below the front end, and the second traction cables 27 are all worn in the seat 10. The corners of the second traction cables 27 are provided with fixed pulleys 29, and one end of the two traction cables 27 is wound around the torsion. In the mechanism, on the winding shaft 222 of the small bevel gear 22 on the left side of the large bevel gear 21, the direction is opposite, and the other end is provided with a foot pedal 28, and a storage box 16 is provided on the outside of the torsion mechanism box 20, which is convenient for the handle 26 after use. Or the pedal 28 is stored, and a drive motor is arranged behind the torsion mechanism. The drive motor is a capacitive single-phase AC motor. The drive motor is meshed with the large bevel gear 21 through the electromagnetic clutch, the reducer and the motor bevel gear 23 to form an electric drive system. , a reversing switch is arranged in the control circuit of the driving motor, a motor case 30 is arranged outside the driving motor, the driving motor and the motor case 30 are both arranged in the seat support frame 11 and fixed under the seat 10, and the power switch button 32 is arranged on the armrest The lower end face of the handrail 13 is also provided with a speed control button 31 .

When using it manually, after sitting firmly in the multifunctional health care office chair, hold the handle 26 with both hands to alternately pull, or step on the pedals 28 with both feet to alternately pull, or use both hands and feet to drive the pinion bevel gear 22 Rotating back and forth, the small bevel gear 22 meshes with the large bevel gear 21 and the large bevel gear 21 is fixed. The waist of the person on the health office chair does a twisting motion to achieve the effect of simultaneous health care of the arms and the waist or the legs and the waist or the arms, the legs and the waist.

When using electric power, after sitting firmly in the multifunctional health care office chair, turn on the power switch button 32, and the electromagnetic clutch connects the output end of the drive motor with the drive shaft 24 of the motor bevel gear 23. Since the drive motor is a capacitive single-phase AC motor, its The reversing switch in the control circuit is automatically reversed when it is in place, and the motor bevel gear 23 rotates back and forth, the same as the manual mode. The waist of the person sitting on the multifunctional health care office chair does a twisting motion to achieve the effect of waist health care. The speed regulating button 31 regulates the twisting speed.

The chair legs are liftable chair legs, and the lift adjustment handle 41 is arranged on the seat support frame 11 to meet the needs of different heights.

The chair legs include a lifting sleeve 40 and a plurality of supporting legs 42 arranged below the lifting sleeve 40 evenly distributed along the circumferential direction, and a brake universal wheel 43 is provided under the supporting legs 42. When using the multifunctional health care office chair, the brake universal To the wheel 43, to ensure the safety of the user.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (7)

1. A multifunctional health-care office chair comprises a chair seat, a chair back, armrests, a chair seat supporting frame fixed below the chair seat, a supporting shaft arranged in the center of the chair seat supporting frame and sleeved with the chair seat supporting frame, and chair legs connected with the supporting shaft, wherein the armrests are arranged on two sides of the chair seat; a torsion mechanism box is arranged outside the torsion mechanism;

the torsion mechanism comprises a large bevel gear fixed at the upper end of the supporting shaft with a downward tooth surface, and small bevel gears which are meshed with the large bevel gear and distributed along the radial direction of the large bevel gear, wherein a rotating shaft is arranged at one end of each small bevel gear, which is far away from the tooth cone, the rotating shaft is fixed on the lower end surface of the chair seat through a shaft seat, an anti-falling baffle is arranged at the end part of the rotating shaft, a winding shaft is arranged between the rotating shaft and the tooth cone, and one end of each traction cable I is wound on the winding shaft of each small bevel gear;

a driving motor is arranged behind the torsion mechanism, the driving motor is meshed with the large bevel gear through an electromagnetic clutch, a speed reducer and a motor bevel gear to form an electric driving system, a reversing switch is arranged in a control loop of the driving motor, a motor case is arranged outside the driving motor, and the driving motor and the motor case are both arranged in the chair seat supporting frame and fixed below the chair seat;

two traction cables II are arranged below the front end of the chair seat and penetrate through the chair seat, a fixed pulley is arranged at the corner of each traction cable II, one end of each traction cable II is wound on a winding shaft of the bevel pinion of the torsion mechanism, and the other end of each traction cable II is provided with a pedal;

when the multifunctional health-care office chair is used manually, after the multifunctional health-care office chair is stably seated, the handles are respectively held by two hands to be alternately pulled, or two feet are respectively stepped on pedals to be alternately stepped on, or the hands and the feet are used together to drive the small bevel gear to rotate back and forth, the small bevel gear is meshed with the large bevel gear and the large bevel gear is fixed, the small bevel gear rotates back and forth around the large bevel gear to drive the chair seat fixed with the small bevel gear to rotate back and forth;

when the multifunctional health care office chair is used electrically, after a user sits stably in the multifunctional health care office chair, the power switch button is turned on, the electromagnetic clutch is connected with the output end of the driving motor and the driving shaft of the motor bevel gear, the driving motor is a capacitance type single-phase alternating current motor, the reversing switch in a control loop of the driving motor is in place and automatically reverses, the motor bevel gear rotates back and forth, and the waist of the user sitting on the multifunctional health care office chair does torsional motion in the same manual mode, so that the waist health care effect is achieved, and the torsional speed can be regulated and controlled by pressing the speed regulating button.

2. The multifunctional health office chair of claim 1, wherein a power switch button is provided on the lower end surface of the armrest.

3. The multifunctional health-care office chair as claimed in claim 1, wherein a speed-adjusting button is further provided on the lower end surface of the armrest.

4. The multifunctional health office chair according to any one of claims 1 to 3, wherein a storage box is provided outside the torsion mechanism box.

5. The multifunctional health-care office chair as claimed in any one of claims 1 to 3, wherein a wire guide groove is provided under the first traction cable on both sides of the chair seat.

6. The multifunctional health-care office chair as claimed in any one of claims 1 to 3, wherein the chair legs are liftable chair legs, and the lifting adjusting handle is arranged on the chair seat supporting frame.

7. The multifunctional health-care office chair as claimed in claim 6, wherein the chair legs comprise a lifting sleeve and a plurality of supporting legs which are arranged below the lifting sleeve and are evenly distributed along the circumferential direction, and brake universal wheels are arranged below the supporting legs.

Images