CN2754456Y

CN2754456Y - Computer chair

Info

Publication number: CN2754456Y
Application number: CN 200420036877
Authority: CN
Inventors: 杨坚争
Original assignee: University of Shanghai for Science and Technology
Current assignee: University of Shanghai for Science and Technology
Priority date: 2004-06-28
Filing date: 2004-06-28
Publication date: 2006-02-01
Anticipated expiration: 2014-06-28

Abstract

The utility model discloses a computer chair, which is characterized in that the lower side of a chair seat is connected with a chair main frame; the front side of the chair main frame is provided with a hinge foot placing rack; the upper side of the chair main frame is provided with a manual brake rod; the lower side of the chair main frame is fixedly connected with a lifting and swinging oscillating mechanism; the lower end of a backrest, the lower side of the chair main frame, the inner side of the foot placing rack are provided with hinge joint driving link mechanisms; the lower part of the chair is provided with a control timer and an adjustable speed motor which are connected together. Under the control of the control timer, the adjustable speed motor is started in timing and the computer chair is driven to lift or rotate. Through the angle and the height adjustment of the computer chair, the position and the distance of an operator with a computer are altered, muscular operating state is improved and the eye fatigue degree of the operator is regulated. When the manual brake rod is operated, a chair back is put down, and the foot placing rack is lifted, the operator can lie down for rest. When a buffer on the lower side of the computer chair is stepped once, compression springs mutually oscillate and the physical position of the operator is altered. The utility model has the advantages of accelerative blood flow in a human body, brain oxygen supply improvement, tiredness elimination and high work efficiency.

Description

Computer chair

Technical field

The utility model relates to a kind of office chair, especially a kind of computation office chair.

Background technology

Chinese patent application number 02205936.9 (applying date 2002.03.14) discloses a kind of body-building computer chair, and it is made of chair legs, seat support and the chair back.Bottom, and arranged on left and right sides in chair legs are separately installed with slide rail; One base plate is installed in the slide rail, and base plate is provided with some function keys; One round slide rail is set on seat support, places a flat board on the round slide rail; In the middle part of the chair back, each side have a circular hole, circular hole is built-in with a spring, and an end of spring is fixed on the seat support, and the other end is connected with a rope, and described rope passes circular hole and links to each other with a handgrip; And in the corresponding position of chair the sensor that some are used to detect is set, sensor links to each other by the game port of lead with the computer back side.When people feel tired, select that computer game is loosened, during rest, can operate video games by rope and the handgrip of trampling function key, rotation waist and stretching chair back place on the base plate, so both loosened cerebral nerve, the four limbs that loose have again been unfolded muscles and bones.Present disclosed utility model computer chair also has three problems to need to solve.The first, computer operator's eyes are watched screen for a long time attentively, and when the operator felt fatigue, if select computer game to loosen, eyes still be unable to do without computer screen, do not reach the purpose of rest, and this need change the distance and the position of human body and screen.The second, after people used computer for a long time, the each several part muscular tone wished that certain hour can be lain down at interval, unfolds the back, and general computer chair does not provide this function.The 3rd, after the computer operator worked long hours before computer, blood concentrated on brain, and computer chair needs the function that promotes the cerebrum blood circulation.

Summary of the invention

The utility model mainly solves people and is sitting in problems such as eye fatigue that the back that works long hours before the computer produces, muscle rigidity, distraction, the computer user can be sitting in have a rest on the computer chair to adjust, and recovers eyesight, muscle power and spiritual.The utility model provides that a kind of to collect work, rest, body-building be the Computer chair of one, has characteristics such as simple in structure, easy to use, that result of use is remarkable.

The technical solution of the utility model is: a kind of Computer chair, it is made of the chair legs, seat support, the chair back, the handrail that have movable wheel.Be connected with the seat body frame below the seat support, the front activity of seat body frame is connected with the leg rest frame, be provided with hand brake lever above the seat body frame, below the fixedly connected lifting and swinging oscillating mechanism below the seat body frame, chair back lower end, seat body frame, the leg rest frame is connected with kinematic link mechanism on the inboard.Under-seat is equipped with control timer, and it is connected with the buncher of lifting and swinging oscillating mechanism.The buncher driven gear drives, and connects transmission gear wheel and radial thrust bearing, and then drives the sleeve pipe that trapezoidal thread is arranged.

Lifting and swinging mechanism is by lifting, swing, oscillating component is formed, described oscillating component is to be fixedly connected with the oscillation buffer bar in the connecting plate intermediate vertical of fixedlying connected with the seat body frame, have radial hole on the oscillation buffer bar, be welded with the piston that has one group of aperture on the oscillation buffer bar lower port, the piston periphery is with sleeve pipe moving up and down, the sleeve pipe periphery is provided with flat thread, the lower end is welded with head plate, the upper end is fixed with upper end cover, be provided with on week in the sleeve pipe between piston and upper end cover and the contacted rubber sealing ring of oscillation buffer bar, be with buffer spring on the oscillation buffer bar periphery between upper end cover and the connecting plate, fill with lubricating oil in the sleeve pipe between piston and the head plate; Described lifting, tilting member are to be rotary with the bottom end cover nut that is connected with chair legs at the place, bottom of sleeve pipe flat thread, center is rotary with the upper end cover nut, be connected with fixed cover between upper end cover nut and the bottom end cover nut, above the upper end cover nut, the sleeve pipe flat thread is connected with the transmission gear wheel outward, and has buncher on the driven wheel that the transmission gear wheel is meshed.

Kinematic link mechanism is made up of triangle rocking bar, connecting rod, rocking arm.Three connecting holes on the triangle rocking bar hinge seat below chair back lower end connecting axle, seat body frame, long connecting rod respectively flexibly connect, the other end of long connecting rod is connected with stop rocking arm and short connecting rod, the other end of short connecting rod be connected with the leg rest frame on the driving rocker that flexibly connects of hinge seat, the other end of stop rocking arm is fixedlyed connected with the ratchet on being movably connected in seat body frame hinge seat.

Be provided with one and the contacted detent of ratchet below the hand brake lever; Be connected with the servo-actuated rocking bar between the chair back and the handrail.

The operating position that the utility model is adjusted the operator by the control timer and the buncher of below, seat.Under control timer control, buncher starts at regular intervals, driven gear drives, transmission gear wheel and radial thrust bearing, and then drive has the sleeve pipe of trapezoidal thread, make seat the first half rotate and move up and down lifting, adjust the angle and the height at computer user seat, change the position and the distance of operator and computer, regulate the distance and the angle of operator's eyes and screen, reduce the degree of fatigue of eyes, make the position forced motions such as neck, waist, omoplate portion, shank of human body, improve the muscular work state.

The utility model is owing to there is the seat body frame below seat support, seat body frame front is connected with the leg rest frame that can rotate up and down, be provided with hand brake lever above the seat body frame, the lifting and swinging oscillating mechanism is installed below the seat body frame, is adopted kinematic link mechanism between backrest, seat body frame, the leg rest frame, thereby after people being sitting in for a long time use computer on the computer chair, by handling hand brake lever, just can put down backrest, lift the leg rest undercarriage, the rest of lying down.

The utility model is by lifting, swing, oscillating component in the lifting and swinging mechanism, forms the seat mechanism that moves up and down.Be sitting on the chair and pedal suddenly, the buffer below the chair, compression spring vibrate mutually, change the human body upper-lower position, make blood in human body in liquid quicken to flow, and improve big cerebral oxygen supply, eliminate tiredly, increase work efficiency.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of lifting of the present utility model, swing, oscillating mechanism.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

As shown in Figure 1, Computer chair is made up of five horizontal legs 17 of chair, seat support 3, backrest 1, handrail 2 etc.Article five, movable wheel all is housed on the horizontal leg 17 of chair, seat body frame 4 is housed below the seat support 3, seat body frame 4 is square, be welded by square tube, flexibly connect by hinge seat and leg rest frame 5 hinges on seat body frame 4 front end faces, the seat body frame is equipped with hand brake lever 7 on 4 limits, and handrail 2 is equipped with on both sides above the seat body frame 4, one end of handrail 2 nearly backrests 1 is connected by servo-actuated fork 6 hinges with backrest 1, seat body frame 4 following lifting and swinging oscillating mechanism 200 and five chair pin rear truckles 17 of fixedly being equipped with; Backrest 1 lower end, seat body frame 4 following, leg rest frame 5 inboard going up by hinge seat flexible connection kinematic link mechanism 100.

Kinematic link mechanism 100 is made up of triangle rocking bar 14, connecting rod 13, rocking arm 10 etc.Three connecting holes on the triangle rocking bar 14 hinge seat, long connecting rod 13 pans below the chair back 1 lower end connecting axle, seat body frame 4 respectively flexibly connect, be connected with stop rocking arm 7 and short connecting rod 12 on the other end pan of long connecting rod 13, the other end of short connecting rod 12 flexibly connects by pan on it and driving rocker 11, hinge seat on driving rocker 11 other ends and the leg rest frame 5 flexibly connects, be installed with ratchet 9 and major axis on stop rocking arm 10 other ends, and flexibly connect with hinge seat on seat body frame 4.One and the contacted detent 8 of ratchet are housed below the hand brake lever 7.After people were sitting in for a long time and use computer on the computer chair, spirit was tired, eyes are felt bad, and when needing to adjust rest, by handling hand brake lever 7, just can put down backrest 1, lifted leg rest frame 5, the rest of lying down.

As shown in Figure 2, lifting and swinging oscillating mechanism 200 is made up of lifting, swing, oscillating component.Oscillating component is the connecting plate 21 intermediate vertical fixed installation oscillation buffer bar 18 of fixedlying connected with seat body frame 4, have radial hole 36 in the middle of the oscillation buffer bar 18, welding has the piston plate 28 of one group of aperture on oscillation buffer bar 18 lower port, piston plate 28 peripheries are with trapezoidal screw 23 moving up and down, sleeve pipe 23 peripheries are provided with trapezoidal nut 37, the lower end is welded with head plate 29, the upper end is fixed with upper end cover 22, be provided with on week and the contacted rubber sealing ring 25 of oscillation buffer bar (18) in the sleeve pipe (23) between piston 28 and upper end cover 22, be with buffer spring 19 and spring base 20 on oscillation buffer bar 18 peripheries between upper end cover 22 and the connecting plate 21, fill with lathe soap water lubrication oil 35 in the sleeve pipe 23 between piston 28 and the head plate 29.People are sitting in to be pedaled on the chair, and the buffer below the chair vibrates mutually with the compression spring, can make blood in human body in liquid quicken to flow.

Lifting, tilting member are to be rotary with the bottom end cover 27 that is connected with chair legs 17 installing holes at the place, bottom of the trapezoidal thread 37 of sleeve pipe 23, center is rotary with upper end cover nut 24, be connected with fixed cover steel pipe 26 between upper end cover nut 24 and the bottom end cover 27, upper end cover nut 24 trapezoidal threads 37 top, sleeve pipe 23 are installed transmission gear wheel 32 and radial thrust bearings 31 outward, the driven wheel 33 that is meshed with transmission gear wheel 32 is installed on the buncher 15, buncher 15 is installed on the motor mounting plate 16, and free relay control.Be provided with semicircle limited block 30 between the installing hole bottom surface below the sleeve pipe 23 in head plate 29 and chair legs 17 and the steel pipe 26, and fixedly connected with chair legs 17 by bolt group 34.Under control timer control, buncher 15 starts the drive seat at regular intervals and rotates and lifting, can make partes corporis humani position muscle activity, eye rotation, and blood circulation is eliminated fatigue, is cheered up, increases work efficiency.

Claims

1. Computer chair, it is by the chair legs (17) that has movable wheel, seat support (3), backrest (1), handrail (2) constitutes, it is characterized in that, be connected with seat body frame (4) below the seat support (3), seat body frame (4) front activity is connected with leg rest frame (5), be provided with hand brake lever (7) above the seat body frame (4), fixedly connected lifting and swinging oscillating mechanism (200) below the seat body frame (4), the chair back (1) lower end, below the seat body frame (4), leg rest frame (5) is connected with kinematic link mechanism (100) on the inboard, is equipped with control timer and is connected with buncher (15) in the lifting and swinging oscillating mechanism (200) below seat support (3).

2. Computer chair according to claim 1, it is characterized in that, described lifting and swinging oscillating mechanism (200) is by lifting, swing, oscillating component is formed, described oscillating component is to be fixedly connected with oscillation buffer bar (18) in connecting plate (21) intermediate vertical of fixedlying connected with seat body frame (4), have radial hole (36) on the oscillation buffer bar (18), be welded with the piston (28) that has one group of aperture on oscillation buffer bar (18) lower port, piston (28) periphery is with sleeve pipe moving up and down (23), sleeve pipe (23) periphery is provided with trapezoidal thread (37), the lower end is welded with head plate (29), the upper end is fixed with upper end cover (22), be provided with and the contacted rubber sealing ring of oscillation buffer bar (18) (25) on week in the sleeve pipe (23) between piston (28) and upper end cover (22), be with buffer spring (19) and spring base (20) on oscillation buffer bar (18) periphery between upper end cover (22) and the connecting plate (21), fill with soap lye lubricating oil (35) in the sleeve pipe (23) between piston (28) and the head plate (29).

3. Computer chair according to claim 1, it is characterized in that, described kinematic link mechanism (100) is by triangle rocking bar (14), connecting rod (13,12); rocking arm (10; 11) is formed; three connecting holes on the triangle rocking bar (14) respectively with the chair back (1) lower end connecting axle; the hinge seat below the seat body frame (4); long connecting rod (13) flexibly connects; the other end of long connecting rod (13) is connected with stop rocking arm (10) and short connecting rod (12); the other end of short connecting rod (12) be connected with leg rest frame (5) on the driving rocker (11) of hinge seat flexible connection, the other end of stop rocking arm (10) is fixedlyed connected with the ratchet (9) on being movably connected in seat body frame (4) hinge seat.

4. Computer chair according to claim 1, it is characterized in that, described lifting, tilting member is to be rotary with the bottom end cover (27) that is connected with chair legs (17) installing hole at the place, bottom of the trapezoidal thread of sleeve pipe (23) (37), center is rotary with upper end cover nut (24), be connected with fixed cover steel pipe (26) between upper end cover nut (24) and the bottom end cover (27), above the upper end cover nut (24), outer transmission gear wheel (32) and the radial thrust bearing (31) of being connected with of the trapezoidal thread (37) of sleeve pipe (23), the driven wheel (33) that is meshed with transmission gear wheel (32) is installed on the buncher (15), buncher (15) is installed on the motor mounting plate (16), and is connected with the time relay.

5. Computer chair according to claim 1 is characterized in that, be provided with below the described hand brake lever (7) one with the contacted stop shank of ratchet (9) (8).

6. Computer chair according to claim 1 is characterized in that, is connected with servo-actuated rocking bar (6) between the described chair back (1) and the handrail (2).