CN201641102U

CN201641102U - Human engineering chair

Info

Publication number: CN201641102U
Application number: CN2009203193316U
Authority: CN
Inventors: 雷香明
Original assignee: FUZHOU YINGCHUANG INDUSTRIAL AND TRADE Co Ltd
Current assignee: FUZHOU YINGCHUANG INDUSTRIAL AND TRADE Co Ltd
Priority date: 2009-12-31
Filing date: 2009-12-31
Publication date: 2010-11-24
Anticipated expiration: 2019-12-31

Abstract

The utility model relates to a human engineering chair, which comprises support legs and a chair back, and is characterized in that the circumferential direction of the support legs are provided with five pairs of chair feet, a radial opening slot is arranged between each pair of chair feet, and each pair of chair feet are provided with two branch chair feet which use arc transition. The utility model provides a human engineering chair, which has flexible moving, excellent stability and uneasy overturn, thereby improving sedentary comfort of human bodies.

Description

Ergonomic chair

Technical field

The utility model relates to a kind of Ergonomic chair.

Background technology

The fierceness day by day of the quickening of modern life rhythm, social competition and the rise of Internet technology are popularized, when increasing people is long even overtimely be engaged in intellectual work before being sitting in desk.A lot of youthful study, amusement, doings also all launch on the internet.No matter in office or stay at home, be sitting in that not fight one battle after another before the computer be a lot of youthful customs with not going other place." seat " becomes the normality that the modern lives.According to nearest statement-of-health analysis, be sitting in for a long time design unreasonable, sit on the uncomfortable work chair inferior of sense, can influence the blood of human body circulation, destroy the digestion running, upset human body metabolism, also can threaten bone health, cause multiple diseases such as cervical spondylopathy, lumbar vertebra disease, scapulohumeral periarthritis, wrist vasculitis.This shows that correct comfortable sitting posture and a high-quality comfortable work chair are extremely important for health.

Along with development of technology, sitting posture also will become the main working method of Future in China labourer.Sitting posture is exactly " 3 90 degree, 1 central point " principle that we often say, that is: make vertebra when keeping natural curve, allows the health upper body become 90 to 105 angles of spending with thigh, supports whole upper body in mode the most easily, alleviates lumbar vertebrae pressure; When being seated be the thigh of tie point and the angles that shank should keep 90 to 105 degree with the knee, promptly thigh wants level in ground, and shank will be perpendicular to ground, makes shank can share supporting role to health, thereby alleviates the support load of buttocks; Should keep the angles of 90 to 105 degree with elbow as the upper arm of tie point and forearm when using keyboard, and obtain appropriateness and support, so avoid shoulder excessively to alarm or stay and cause and take on Zhou Bushi.User's head should excessively not lean forward or swing back, be advisable to erect naturally, eyes are looked squarely forward, look squarely sight and should fall within the center of computer screen or position slightly on the upper side, can not too face upward or nutation, to avoid bringing unnecessary load, the distance of an arm left and right sides length should be arranged between screen and the eyes to cervical vertebra.User's height, brachium, leg length, body weight, build etc. all are not quite similar, and therefore, a good work chair should have abundant controllability flexibly, promptly can require custom to carry out the details adjustment according to environment for use and individual.The comfortable seat of health will correct faulty sitting posture for slowing down fatigue and neurothlipsis, and the prevention cervical vertebra improves eyesight, and the protection waist supports elbow joint, and whole body loosens and plays an important role; The tradition office chair can not satisfy and prevent numerous health problems of exposure day by day already.

Summary of the invention

The purpose of this utility model is to provide a kind of Ergonomic chair, and this seat moves flexibly, and good stability is difficult for toppling, thereby improves the comfortableness of human body sitting.

Its solution is: a kind of Ergonomic chair, comprise the supporting leg and the chair back, it is characterized in that: described supporting leg circumferentially is provided with 5 pairs of chair pin, is provided with a radial opening groove between every pair of chair pin, and every pair of chair pin is provided with two branch chair pin with arc transition.

Advantage of the present utility model is:

The one, adopt 5 pairs of chair angles evenly to distribute, every pair of chair angle is provided with two branch chair angles, and dish ground distributes closely, and the engineering plastics that don't work, still stainless steel or aluminium and gold, cast iron etc. have certain ground grip, have guaranteed the stability of chair, are difficult for toppling;

Two is that five jiaos on 10 rollers are arranged in parallel, evenly share seat gravity, and stressed light rolling is more smooth can rotate on coarse flexible surfaces such as carpet carpet freely along sliding, and has reduced the wearing and tearing on floor are scratched.

Description of drawings

Fig. 1 is the utility model front view.

Fig. 2 is the supporting leg vertical view.

Fig. 3 is the back structure view.

Fig. 4 is the seat cushion vertical view.

Fig. 5 is the handrail front view.

Fig. 6 is handrail action schematic diagram.

Fig. 7 is the elevating lever cutaway view.

Fig. 8 is the chassis vertical view.

Fig. 9 is chair back hypsokinesis action schematic diagram.

Wherein: 1-supporting leg 2-chair back 3-chair pin 4-radial opening groove 5-transition arc 6-chair back rack 7-arc backup plate 8-rotating shaft 9-shoulder active plate 10-back active plate 11-waist is adjusted securing member 12-back stick Soft Roll 13-supporter 14-and is adjusted securing member A 15-and adjust securing member B 16-and adjust securing member C 17-and adjust securing member D 18-and adjust the ventilative grizzly bar 23-seat cushion leading portion folded sheet 24-handrail 25-handrail stay pipe 26-handrail telescoping tube 27-locking positioning bolt 28-mainshaft gear 29-handrail adjustable pipe 30-adjustable pipe top board 31-free gear 32-elevating lever 33-lifting valve 34-chassis 35-Double-layered movable steel ball 36-chair back hypsokinesis locking screw 37-of securing member E 19-massage transposition 20-seat cushion 21-" W " shape protrusion 22-and connect hinged steel plate 38-chair back hypsokinesis spring assembly.

The specific embodiment

A kind of Ergonomic chair, comprise the supporting leg (1) and the chair back (2), it is characterized in that: described supporting leg (1) circumferentially is provided with 5 pairs of chair pin (3), be provided with a radial opening groove (4) between every pair of chair pin (3), every pair of chair pin (3) is provided with two branch chair pin (see figure 2)s with arc transition (5).This design dish ground distributes closely; Have certain ground grip, guaranteed the stability of chair, be difficult for toppling; 10 rollers are arranged in parallel, evenly share seat gravity for five jiaos, and stressed light rolling is more smooth along sliding; On coarse flexible surfaces such as carpet carpet, can rotate freely, and reduced the wearing and tearing on floor are scratched.

The above-mentioned chair back (2) is provided with chair back rack (6), described chair back rack (6) upper cross is provided with the rotating shaft (8) that leading flank has arc backup plate (7), the both sides, middle part are respectively arranged with the shoulder active plate (9) of the slippage on horizontal and vertical of chair back rack (6) relatively, the both sides, bottom are provided with the back active plate (10) of the slippage on horizontal and vertical of chair back rack (6) relatively respectively, are provided with relatively chair back rack (6) slippage waist adjustment securing member (11) at fore-and-aft direction and vertically in the middle of the bottom; Be provided with back stick Soft Roll (12) (see figure 3) in the middle of the described chair back rack (6).

Above-mentioned chair back rack (6) upper end is turned under the shape and is turned, and it is provided with the supporter (13) of chair back rack (6) straight skidding relatively in the end down; Turn before shape is turned in described supporter (13) upper end, and be hinged, be provided with vertical adjustment securing member A(14 between described supporter (13) and the chair back rack (6)) with described rotating shaft (8); Be provided with horizontal adjustment securing member B(15 between described chair back rack (6) and the shoulder active plate (9)) and vertically adjust securing member C(16); Be provided with horizontal adjustment securing member D(17 between the described chair frame back of the body (6) and the back active plate (10)) and vertically adjust securing member E(18) (seeing Fig. 3 B); Be respectively arranged with massage transposition (19) (see figure 1) in the middle of described chair back rack (6) upside and in the middle of the downside, adopt battery-powered operation,, effectively alleviate muscular tone, improve the blood circulation of neck lumbar vertebra by the vibrations massage.Neck waist outer wrapping is sealed detachably with slide fastener or VELCRO, solves the invasion and attack that neck brace is subjected to human sweat's hair oil, and detachable the replacing cleaned; Additional 1 layer 2 tiny pockets of chair back rack (6) two sides; Little article, convenience such as put the cell phone are avoided often mobile phone being put and are slided on the ground more apparent hommization and affinity on the table because of carelessness.

Above-mentioned chair back rack (6) downside is provided with seat cushion (20), and described seat cushion (20) middle part has protuberance, both sides are recessed, to form and human body thigh and buttocks bottom side adapt seat cushion is overlooked present the protrusion (21) of " W " shape; Described seat cushion (20) upper surface is horizontally set with recessed ventilative grizzly bar (22), and front end is hinged with folded sheet (23) flexibly.This design can allow more comfortable that buttocks puts, simultaneously, and seat cushion (20) edge application waterfall type Flexible Design, lean forward or during the hypsokinesis health, seat cushion (20) edge can be crooked at any time, to discharge lower leg and thigh pressure the user, promote the lower limb blood circulation, and can not produce the sensation that skids off seat.Described ventilative grizzly bar (22) has the good ventilation air permeable effect, practical again (see figure 4) promptly attractive in appearance.

Above-mentioned seat cushion (20) both sides are provided with handrail (24), are provided with the telescoping tube (26) of handrail stay pipe (25) slippage relatively in described handrail (24) the lower support pipe (25); Be provided with locking positioning bolt (27) between described handrail stay pipe (25) and the telescoping tube (26); Described telescoping tube (26) upper end is provided with and the rigidly connected mainshaft gear of telescoping tube (26) (28), is provided with adjustable pipe (29) in the pipe; The upper end of described adjustable pipe (29) is provided with and the rigidly connected adjustable pipe top board of handrail (24) (30), described adjustable pipe (29) the place ahead is provided with and the rigidly connected free gear of adjustable pipe top board (30) (31), described free gear (31) be meshed with mainshaft gear (28) (seeing Fig. 5 and Fig. 6).This design all has flexible controllability having height, width, the degree of depth and angle, satisfies the comfortable office posture of various maintenances.Simultaneously, because right-hand man's service condition difference, the height of left and right sides handrail (24) can be regulated respectively, gets final product differential type.Satisfy second right angle that medical circle is generally acknowledged, slowed down your shoulder and the long-time fatigue of wrist and the slide shoulder that causes and bow-backed.

Above-mentioned supporting leg (1) upper end is provided with an elevating lever (32), and described elevating lever (32) upper end is provided with lifting valve (33) (see figure 7).This design is when pressing lifting valve (33) switch: the people takes to elevating lever (32) pressure, and elevating lever (32) just gently descends, and speed is even, can drop to minimum point.Do not give elevating lever (32) external force, elevating lever (32) rises gets back to peak.In the time of not according to (perhaps by unclamp) valve (33) switch midway: elevating lever (32) just remains on current location.

Above-mentioned seat cushion (20) downside is provided with a chassis (34), middle part, described chassis (34) is provided with double-deck movable steel ball (35) (see figure 8), chair is rotated more flexibly and significantly reduce the single elevating lever (32) that leans on of tradition and rotate drawback, effectively prolong elevating lever (32) life-span.

Referring to shown in Figure 9, chair back hypsokinesis embodiment: when separately limiting chair back hypsokinesis locking screw (36); Rely on the personal gravity backup chair back, at this moment connect hinged steel plate (37) and be depressed into chair back hypsokinesis spring assembly (38), tilt to support naturally, maximum constraints can realize 60 degree inclination angles.

Claims

1. an Ergonomic chair comprises the supporting leg and the chair back, it is characterized in that: described supporting leg circumferentially is provided with 5 pairs of chair pin, is provided with a radial opening groove between every pair of chair pin, and every pair of chair pin is provided with two branch chair pin with arc transition.

2. Ergonomic chair according to claim 1, it is characterized in that: the described chair back is provided with chair back rack, described chair back rack upper cross is provided with the rotating shaft that leading flank has the arc backup plate, the both sides, middle part are respectively arranged with the shoulder active plate of the slippage on horizontal and vertical of chair back rack relatively, the both sides, bottom are provided with the back active plate of the slippage on horizontal and vertical of chair back rack relatively respectively, are provided with relatively chair back rack slippage waist adjustment securing member at fore-and-aft direction and vertically in the middle of the bottom; Be provided with back stick Soft Roll in the middle of the described chair back rack.

3. Ergonomic chair according to claim 2 is characterized in that: described chair back rack upper end is turned under the shape and is turned, and it is provided with the supporter of chair back rack straight skidding relatively in the end down; Turn before shape is turned in described supporter upper end, and be hinged, be provided with vertical adjustment securing member A between described supporter and the chair back rack with described rotating shaft; Be provided with horizontal adjustment securing member B between described chair back rack and the shoulder active plate and vertically adjust securing member C; Be provided with horizontal adjustment securing member D between the described chair frame back of the body and the back active plate and vertically adjust securing member E; Be respectively arranged with the massage transposition in the middle of the described chair back rack upside and in the middle of the downside.

4. Ergonomic chair according to claim 2, it is characterized in that: described chair back rack downside is provided with seat cushion, described seat cushion middle part has protuberance, both sides are recessed, to form and human body thigh and buttocks bottom side adapt seat cushion is overlooked present the protrusion of " W " shape; Described seat cushion upper surface is horizontally set with recessed ventilative grizzly bar, and front end is hinged with folded sheet flexibly.

5. Ergonomic chair according to claim 4 is characterized in that: described seat cushion both sides are provided with handrail, are provided with the telescoping tube of handrail stay pipe slippage relatively in the described handrail lower support pipe; Be provided with the locking positioning bolt between described handrail stay pipe and the telescoping tube; Described telescoping tube upper end is provided with and the rigidly connected mainshaft gear of telescoping tube, is provided with adjustable pipe in the pipe; The upper end of described adjustable pipe is provided with and the rigidly connected adjustable pipe top board of handrail, and described adjustable pipe the place ahead is provided with and the rigidly connected free gear of adjustable pipe top board, and described free gear is meshed with mainshaft gear.

6. Ergonomic chair according to claim 1 is characterized in that: described supporting leg upper end is provided with an elevating lever, and described elevating lever upper end is provided with the lifting valve.

7. Ergonomic chair according to claim 4 is characterized in that: described seat cushion downside is provided with a chassis, and middle part, described chassis is provided with double-deck movable steel ball.