CN201154016Y - Multifunctional chair for correcting posture - Google Patents

Abstract

The utility model discloses a multifunctional posture correcting chair, which consists of a chair frame, a seat cushion, a backrest, a shoulder belt, shoulder belt traction device, a backrest traction device, a detachable desk, and a cervical vertebra traction device. The shoulder belt traction device is arranged on the back face of the backrest; the backrest traction device is arranged between the chair frame and the backrest which is of an S shape; a hump-shaped projection block is arranged at the center of the seat cushion from the front to the back, the front protuberance of the projection block is higher than the rear protuberance, the front and the rear protuberances are in an arc transition; one end of the shoulder belt is fixed on the seat cushion, the other end is fixed on the shoulder belt traction device after passing through the hole on the backrest; the detachable desk is arranged on the armrests of the chair frame; the cervical vertebra traction device is arranged on the backrest by a cervical vertebra traction bracket. The chair can completely correct the top six naughty habits of bending over, leaning, bowing, inclining, edging, and tilting which are formed during reading book and listening to the teacher, and can effectively achieve the purposes for preventing myopia and remodeling beautiful figure without harming the body of the student.

Description

A kind of multi-functional posture correcting chair

Technical field

This utility model relates to a kind of multi-functional posture correcting chair, and this posture correcting chair is mainly used in correcting sitting postures, pre-myopia prevention, has waist magnetic massage and cervical traction concurrently, can use for all ages and classes section, the fat or thin crowd of different height.

Background technology

At present, the product that correct teenager sitting posture, pre-myopia prevention on the market, alleviates writer fatigue is a lot, wherein has two kinds with the similar product of this utility model: a kind of is Chinese Chengdu Jiamei Arts ﹠ Crafts Co., Ltd produce " the positive appearance table of Jiamei ".The characteristics of this product maximum are to have designed a semi-circular shrinkage pool on the table, the student puts whole health in the shrinkage pool into when writing, simultaneously a chair that has a universal wheel is against its back with limit its health left, to the right, turn forward, thereby reach the purpose of correcting incorrect sitting-pose.This positive appearance table has three big design defect: at first, it is put student's health in location " recessed " groove of desktop into, make the shirtfront of its health be tight against table along on write, this and chest abut against the bad habit that an edgewise writes does not have essential difference, not science; Secondly, for having formed the student of writing style on all fours, this positive appearance table without any constraint, does not have the purpose of correcting incorrect sitting-pose to it.Lever principle from the physics, we know, be resisted against the forward position of groove when student's chest, if the student wants to write on all fours, he must be fulcrum with the chest, hip move after exerting oneself, and the chair that has universal wheel that at this moment is against the behind not only can not limit the student and write on all fours, has helped the student to realize the purpose of writing on all fours on the contrary.Another kind is exactly that the back of the body of Beibeijia Tech Development Co Ltd, Tianjin City exploitation is carried on the back good series of products, its number of patent application is: 200420118736.0, this product is by back of the body appearance shoulder belt, the abdominal part belt is partly formed with the pulling force leader tape three that is connected back of the body appearance shoulder belt and abdominal part belt, put on shoulder belt and belt during use, pull on the pulling force leader tape and it is sticked on the waist both sides and get final product.Because this product is to be made by high-elastic compound material, can significantly feel after putting on behind, about two shoulders all have very strong stretching sense to vest place and back part to portion between waist, thereby make that the adolescent student of wearing with this product reaches that a kind of pressure is squared one's shoulders, straight waist, the purpose of drawing the abdomen.This product exists very big defective in design.At first, wearing this product has very strong constraint sense, allows the people feel very ill; Secondly, since the shoulder belt of this product and belt all design relatively wear big and abundant.Therefore, this product only is suitable for winter-spring season to be worn, and is not suitable for wearing in the summer and autumn that The sun is shining fiercely, otherwise can allow the people feel more uncomfortable.Secondly, when putting on this product and writing, those customs had no binding force on all fours and against the adolescent student of writing.We know, lie prone: mainly be to be a point with trans-articular, forward lean is realized; And lean on: as long as with the hip reach, chest is against a limit and just can realizes.And this product can't draw and limit trans-articular and buttocks.Thereby can not correct at all that the student writes on all fours and whip against bad habit of writing.At last, also be the design defect of this product maximum, that is: to wearing the young student of this product for a long time, can their g and D be caused serious injury.We know, teenager is in the quick period of development in youth, and the plasticity of skeleton is very strong, the direction of its growth promoter upwards and to the left and right sides three directions develops, and this product is prolonging three directions of adolescent student growth promoter exactly, oppositely traction is worn for a long time and will certainly be sent out the very big injury of formation good to teen-age growth.

Summary of the invention

The purpose of this utility model is to provide a kind of multi-functional posture correcting chair, this posture correcting chair can be under the prerequisite that does not injure student's health, correct up hill and dale the student write and the process of listening to the teacher in form lie prone, lean on, bend, tiltedly, shuttle, askew six big stupid habits, thereby can effectively prevent myopia, reinvent fine figure.

For achieving the above object, the solution that this utility model adopts is: this multi-functional posture correcting chair comprises liftable chair frame, seat cushion, backrest, shoulder belt, shoulder belt traction apparatus and backrest traction apparatus, the shoulder belt traction apparatus is installed on the back of backrest, the backrest traction apparatus is connected on chair frame and the backrest, shoulder belt is provided with the snap close of scalable length, have the hole of passing for shoulder belt on the backrest, one end of shoulder belt is fixed on seat cushion or the chair frame, and the other end is fixed in the shoulder belt traction apparatus after passing hole on the backrest; The central authorities of seat cushion are provided with the projection of likeness in form hump from front to back, and the leading peak of projection is higher than postpeak, is arc transition between the forward and backward peak, and the both sides of seat cushion also are provided with the flap of projection.

Above-mentioned chair frame is made of fore-stock, front chair leg, after-poppet and back chair foot, fore-stock is connected with afterwards adopting liftable between the chair foot with front chair leg, after-poppet, both sides at seat cushion, fore-stock and after-poppet intersection flexibly connect, the epimere of after-poppet constitutes the handrail of chair to front curve, the epimere of fore-stock is crooked and flexibly connect with backrest, and seat cushion adopts collapsible the connection with the forward and backward support of its both sides; The backrest traction apparatus is by pull cylinder, the damping rubber cushion, spring abutment, extension spring, drawing pull bar, the adjusting nut of scalable pull strength size, brace and locking nut constitute, the damping rubber cushion, spring abutment and extension spring are positioned at pull cylinder, extension spring is enclosed within on the drawing pull bar, the damping rubber cushion is between the bottom surface of spring abutment and pull cylinder, adjusting nut is threaded onto on the port of pull cylinder, one end of drawing pull bar is connected with spring abutment, the other end is fixed on the brace by locking nut after passing adjusting nut, one end of pull cylinder and fore-stock flexibly connect, and the other end then flexibly connects by brace and backrest.The chair frame of this structure is collapsible.

Above-mentioned chair frame also can adopt another structure, this structure chair frame is by the grillage that is positioned at the seat cushion both sides, the chair foot is configured to propping up, adopt liftable to connect between grillage and the chair foot, seat cushion and handrail are fixedly connected on the grillage, the upper end of backrest and grillage flexibly connects by the backrest traction apparatus, the backrest traction apparatus is mainly by back shaft, jump ring, disc spring and disc spring lid are formed, back shaft is positioned at backrest, its end is passed the hole on the grillage and is connected with grillage with packing ring by jump ring, disc spring is loaded in the disc spring lid, its center-side is fixed on the back shaft, and end is fixed on the grillage, and the disc spring lid is installed on the grillage.

Above-mentioned shoulder belt traction apparatus is made up of kayser, kayser body, shoulder belt guide port, shoulder belt delivery wheel and the tape feed roller of traction box body, traction lid, scalable shoulder belt height, the epimere both sides of box body respectively have a chute, be intervally distributed with lockhole on the chute, kayser, shoulder belt guide port and shoulder belt delivery wheel are connected with the kayser body respectively and constitute an integral body, kayser is made of lock tube, lock pin, lock pin spring and tenon, lock pin and lock pin spring are positioned at lock tube, lock pin is connected with tenon, and two tenon telescopicallies are positioned on the chute lockhole of box body both sides; Tape feed roller mainly is made up of left wheel disk, right wheel disk, sleeve pipe, wheel shaft, jump ring, wind spring and wind spring lid, left wheel disk and right wheel disk are separately fixed at telescopic two ends and are positioned at box body, wheel shaft passes right wheel disk, sleeve pipe and left wheel disk and is fixed together with left wheel disk, its two ends are installed in rotation in the hole of box body by jump ring, packing ring, wind spring is positioned at the wind spring lid, its center-side is fixed on the wheel shaft, and end is fixed on wind spring and covers, and the wind spring lid is installed on the box body; One end of shoulder belt is fixed on the sleeve pipe, and can be wrapped on the sleeve pipe.

Above-mentioned shoulder belt traction apparatus also can be by box body, the traction lid, the kayser of scalable shoulder belt height, the kayser body, the shoulder belt guide port, the shoulder belt delivery wheel, the traction extension spring, the sliding lock body, stay-bolt, sliding lock cover and nut constitute, the epimere both sides of box body respectively have a chute, be intervally distributed with lockhole on the chute, the hypomere both sides of box body respectively have a traction guide groove, kayser, the shoulder belt guide port is connected with the kayser body respectively with the shoulder belt delivery wheel and constitutes an integral body, kayser is by lock tube, lock pin, lock pin spring and tenon constitute, lock pin and lock pin spring are positioned at lock tube, lock pin is connected with tenon, and two tenon telescopicallies are positioned on the chute lockhole of box body both sides; Sliding pin body and sliding pin cover can be installed in the traction guide groove up or down by stay-bolt and nut, and an end of traction extension spring is fixed on the sliding pin body, and the other end is fixed on the bottom of box body, and an end of shoulder belt is fixed on sliding pin and puts.

Above-mentioned backrest is " S " type, is provided with the flap of projection on the both sides of backrest, and the high spot that contacts with the human body waist in the bottom of backrest is evenly distributed with several cylindrical glue posts, studs with powerful magnet steel on the part glue post.

Above-mentioned multi-functional posture correcting chair also comprises a dismountable desk, this desk passes through expansion link, elevating lever, the lifting cover, locking nut and set lever are removably mounted on the handrail, on the position corresponding, the bottom surface of desk, be separately installed with connecting ring and locating slot with handrail, expansion link is installed on the handrail by locking nut and set lever telescopically, the lifting cover is connected with expansion link is vertical, the vertical part of elevating lever liftably is installed in the lifting cover by locking nut and set lever, and its horizontal component is then inserted solid in the connecting ring and locating slot of desk bottom surface respectively.

Above-mentioned multi-functional posture correcting chair also is equipped with a traction apparatus for cervical vertebrae, this traction apparatus for cervical vertebrae is installed on the backrest by the cervical traction frame, mainly by traction handle, draw bar, ratchet, ratchet, ratchet extension spring, separate dropout, locking plate, tape feed roller, traction belt, return spring and traction headgear and form, traction handle, ratchet, tape feed roller and return spring are installed on the draw bar, wherein traction handle is fixed on the two ends of draw bar, ratchet and ratchet engagement, one end of traction belt is fixed on the tape feed roller, and the other end is connected with the drawing head cover.

When the student uses this utility model, should be at first according to the height of self stature, regulate the height of seat cushion.Secondly, be shoulder belt just to be regulated kayser adjust to shoulder-high position.Its method is, pinches the tenon on both sides, shoulder belt traction box upper end with hands, and the termination of lock pin is broken away from from lockhole, unclamps both hands when being pushed into a lockhole on then, and lock pin heads into the termination of lock pin among the lockhole just under the effect of lock pin spring.At last, carry shoulder belt on the arm and make forward lean, when chest during from table one fistmele, till the tape feed roller in the shoulder belt traction apparatus must all send shoulder belt.The size at forward lean angle is all regulated by shoulder belt length adjusting button.For making things convenient for quick adjustment, indicate equidistant graduation mark on the surface of shoulder belt, as long as adjust the length of shoulder belt on one side, the other end then can be adjusted fast and finish.After finishing using, throw off shoulder belt, shoulder belt just under the effect of wind spring, is automatically withdrawn into shoulder belt in the tape feed roller.

The operation principle of shoulder belt traction apparatus and backrest traction apparatus is: when the student carries shoulder belt on the arm when writing, the shoulder belt traction apparatus only allow the writer correct write in the scope that health leans forward freely and after lean on, and when student's forward lean angle has surpassed the scope of shoulder belt traction apparatus permission, shoulder belt in the shoulder belt traction apparatus has stopped work owing to having sent, the health that too leans forward just spurs whole backrest by the both sides shoulder belt and leans forward with health, the axis of traction of backrest below then is to move behind the axle center with the back shaft, simultaneously also spurring the secondary draw bar moves backward, compression secondary extension spring, because the pull strength of secondary traction is bigger, the strength that human body too leans forward can only temporarily be contended with it, but can not be lasting, time one is long, and extension spring just promotes spring abutment and forces the draw bar return.Simultaneously, also forcing backrest is a point with back shaft, retreats and pulls back correct writing position by the way up that shoulder belt too leans forward the student.

The liftable chair frame that this utility model adopted can be realized the adjustment to the chair height; The bimodal seat cushion that is adopted can limit its buttocks arbitrarily moving about forwards, backwards, the posture of writing and listen to the teacher by, shuttle, oblique, askew four kinds of mistakes of correcting effectively that the student forms in study; The detachable desk that is adopted can make Writer's health all the time with the desk keeping parallelism, and can be according to Writer's stature regulated at will, thus can suppress to a certain extent the student askew, against with the bad habit of writing on all fours; " S " type backrest of being adopted can fatigue alleviating, mould fine figure; Shoulder belt traction apparatus of being adopted and backrest traction apparatus can fundamentally be eliminated the stupid habit that the student writes on all fours under the prerequisite that does not injure student's health; The waist magnetic massage glue post that is adopted can be alleviated lumbar muscle strain, alleviates learning fatigue; The traction apparatus for cervical vertebrae that is adopted can be prevented to write for a long time and be learnt and the generation of a series of cervical spondylosis of causing.

In sum, the advantage that the utlity model has is: can be under the prerequisite that does not injure student's health, fundamentally correct the student write and the process of listening to the teacher in form lie prone, lean on, bend, tiltedly, shuttle, askew six big stupid habits, thereby can effectively prevent myopia, reinvent fine figure.This utility model also has health care concurrently in addition, can make student or scholar really accomplish limit study, the limit physical therapy, and the limit prevention, and without any constraint.

Description of drawings

Fig. 1 is front view of the present utility model (having omitted detachable desk among the figure).

Fig. 2 is a left view of the present utility model.

Fig. 3 is the right view of this utility model when the cervical traction frame rises.

Fig. 4 is a rearview of the present utility model.

Fig. 5 is a cholic structure chart in the seat cushion seat surface of the present utility model.

Fig. 6 is a cholic structure chart in the seat cushion bottom of the present utility model.

Fig. 7 is the cutaway view of seat cushion of the present utility model.

Fig. 8 is a cholic structure chart in the backrest of the present utility model back side.

Fig. 9 is a cholic structure chart in the backrest bonnet of the present utility model.

Figure 10 is the cutaway view of backrest of the present utility model.

Figure 11 is the cutaway view of shoulder belt traction apparatus of the present utility model.

Figure 12 is the exploded view of shoulder belt traction apparatus shown in Figure 11 along the A-A line.

Figure 13 is the cutaway view of shoulder belt traction apparatus shown in Figure 11 along the B-B line.

Figure 14 is the side view of shoulder belt traction apparatus of the present utility model.

Figure 15 is the positive view of another kind of shoulder belt traction apparatus of the present utility model.

Figure 16 is the sectional view of another kind of shoulder belt traction apparatus of the present utility model.

Figure 17 is the side view of another kind of shoulder belt traction apparatus of the present utility model.

Figure 18 is the cutaway view of secondary traction apparatus of the present utility model.

Figure 19 is the front view of cervical traction frame coupling hook of the present utility model.

Figure 20 is the cutaway view of cervical traction frame coupling hook of the present utility model.

Figure 21 is the side view of cervical traction frame coupling hook of the present utility model.

Figure 22 is the positive view of traction apparatus for cervical vertebrae of the present utility model.

Figure 23 is the right view of traction apparatus for cervical vertebrae of the present utility model.

Figure 24 is the left view of traction apparatus for cervical vertebrae of the present utility model.

Figure 25 is the front elevational schematic of detachable desk of the present utility model.

Figure 26 is the schematic rear view of detachable desk of the present utility model.

Figure 27 looks sketch map for the left side of detachable desk of the present utility model.

Figure 28 looks sketch map for the right side of detachable desk of the present utility model.

Figure 29 is the design sketch of this utility model after folding.

Figure 30 is the sketch map of the coupling part of chair frame of the present utility model.

Figure 31 is a traction apparatus for cervical vertebrae of the present utility model design sketch in use.

Figure 32 is the front view (having omitted detachable desk among the figure) of the another kind of embodiment of this utility model.

Figure 33 is the side view of the another kind of embodiment of this utility model.

Figure 34 is the exploded view of secondary traction apparatus and buckling and locking device in the another kind of embodiment of this utility model.

Figure 35 is the structure chart of chair frame inboard in the another kind of embodiment of this utility model.

Figure 36 is the interior cholic structure chart of seat cushion in the another kind of embodiment of this utility model.

Figure 37 is the side view of seat cushion in the another kind of embodiment of this utility model.

Figure 38 is the rearview of seat cushion in the another kind of embodiment of this utility model.

Figure 39 is a cholic structure chart in the backrest back side in the another kind of embodiment of this utility model.

Figure 40 is the rearview of backrest bonnet in the another kind of embodiment of this utility model.

Figure 41 is the side view at the backrest back side in the another kind of embodiment of this utility model.

Figure 42 be in the another kind of embodiment shown in Figure 40 the backrest bonnet along the side view of D-D line.

The specific embodiment

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

Embodiment 1

Mainly form by Fig. 1, Fig. 2, Fig. 3, this utility model shown in Figure 4 by liftable and folding chair frame 1, bimodal location seat cushion 2, " S " type backrest 3, traction shoulder belt 4, shoulder belt traction apparatus 5, backrest traction apparatus 6, detachable desk 7, cervical traction frame 8, traction apparatus for cervical vertebrae 9, waist magnetic massage district 10.Respectively each several part is described in detail below.

(1) liftable and folding chair frame 1

By Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in chair frame of the present utility model form by fore-stock 11, front chair leg 12 and after-poppet 13, back chair foot 14.After-poppet 13 by about two iron pipes form.Lower end between two iron pipes is welded with one horizontal connecting rod 15 near the port.Back chair foot 14 is bent into after-poppet 13 by one to be formed with two elevating levers 16 with several positioning ring grooves of fixedlying connected with " U " font port with wide " U " font iron pipe." U " font chair foot is injected in two ports of after-poppet 13 lower ends, promptly form one can oscilaltion the chair frame.Lower end at back chair foot 14 respectively is with an antiskid glue cushion 17, respectively be welded with a lock nut 18 and a set lever 19 that is connected with lock nut 18 spirals in two ports of after-poppet 13 lower ends, with (side is seen) the crooked certain angle forward of two heads above the after-poppet, both as the handrail 20 of whole chair, arm rest was with foam thermal protection cover 21.Each covers (when being unkitted multifunction desk) with a serum cap 22 port of this handrail, and the lock nut and the fixing set lever 23 of desk 7 and chair longitudinal separation have respectively been installed in the side of port.Fore-stock 11 by about two iron pipes and the elevating lever 24 that is fixedly connected on two iron pipe lower ends with several positioning ring grooves form.Connecting rod 25 between two by two iron pipes with about being welded on iron pipes of front chair leg 12 upper end is formed, in two ports with fore-stock 11 reeve front chair legs 12 upper ends, promptly form one can oscilaltion the chair frame.Respectively be welded with a lock nut 26 in two ports of front chair leg 12 upper ends and be connected set lever 27 with lock nut 26 spirals with one, two ports of its lower end respectively are with an antiskid glue sleeve 28, with the crooked angle (side is seen) of two head back above the fore-stock 11, make it to become the bracing frame of backrest 3, the not end of this bracing frame respectively has back shaft 65 flexible connections of a connecting hole by connecting bolt 29 and lining 40 and backrest, its port is covered by serum cap 30, place, the inboard of its knee respectively be welded with a hangers 31 respectively with backrest traction apparatus 6 on yoke flexibly connect by connecting bolt 32, fore-stock 11 and after-poppet 14 are crossed as " X " shape, narrow one is fore-stock 11, and wide one is after-poppet 14.On the position in cross point, both sides, respectively open a through connecting hole and pass through stay-bolt 33 and flexibly connect, below the cross point, the both sides of front and back support respectively have two connecting holes that are parallel to ground, and the connecting hole of rear chair frame flexibly connects by connecting bolt 34 and lining 40 with the back shaft 49 of seat cushion 2 rear ends respectively; The connecting hole of fore-stock flexibly connects by attaching nut 35 with connecting bolt 53 that draws pulling-on piece 36 front ends and lining 40 respectively, the other end of traction pulling-on piece 36 and the connecting axle 51 on medicated cushion 2 both sides and lining 40 flexibly connect by connecting bolt 37, the front end of traction pulling-on piece 36 is curved a support chip 38, and the front end of seat cushion 2 then is placed on this support chip.The two ends of these all connecting holes of chair frame all are welded with a pair of junction button 39, and its purpose one is attractive in appearance for what connect, and the 2nd, for the intensity of reinforced company's interface.And all be with lining 40 on its connecting bolt of position of these all flexible connections of chair frame, as shown in figure 30.

After adopting such structure, at first unclamp attaching nut 32 on the axis of traction of backrest both sides, the axis of traction 66 of its backrest 3 and secondary traction apparatus 6 are thrown off, then backrest 3 is turned down backward at the folding chair period of the day from 11 p.m. to 1 a.m.Secondly, with hands the front end of seat cushion 2 is upwards mentioned, whole seat cushion is the axle center with its back shaft 49 then, and under the drive of traction pulling-on piece 36, pulling fore-stock 11 closes up as shown in figure 26 to after-poppet 13.At this moment, whole chair just folds and finishes.If desired the height of chair is adjusted, as long as set lever 19,27 is unclamped, front and back chair foot is pulled out or regained get final product.

(2) bimodal location seat cushion 2

By Fig. 1, Fig. 5, Fig. 6, seat cushion 2 of the present utility model shown in Figure 7, form by the plastics making sheet that mounting 41 and two fastens up and down.Top is seat surface 42, is bottom 43 below.The seat surface of this seat cushion is that the shaped form shape of buttocks designs when sitting according to human body.Bossed flap 44 is all designed on both sides, and flap all becomes rounding off with seat cushion surface 45, in order to increasing buttocks and seat cushion surface contact area, alleviating the pressure on buttocks and seat cushion surface, thereby has strengthened the comfort level of buttocks.The characteristics of these seat cushion 2 maximums are that the central authorities at seat cushion 2 have designed a projection just as the camel hump from front to back, the front be leading peak 46, the back be postpeak 47.Leading peak is higher, and postpeak is shorter, is arc transition between the forward and backward peak.The appearance and modeling of whole seat cushion is by after the die sinking, forms with plastic injection-moulded, has good surface appearance and technology.When the people sat thereon, whole buttocks all had a kind of sensation that is embedded in the seat cushion, and feels more comfortable.Its effect: be exactly location, positive appearance.The mounting 41 of this seat cushion is bent by iron pipe and forms, and its enclose with 48 connections of eight screws, thereby makes 2 one-tenth of seat cushions as a whole in two plastics making sheet up and down.Back segment at seat cushion 2, both sides are welded with a back shaft 49, this back shaft port has connecting filament mouth 50, respectively with after-poppet in connecting hole be movably connected with connecting bolt 34 and lining 40, in stage casing near seat cushion 2, both sides respectively are welded with the connecting axle 51 of a weak point, its port has connecting filament mouth 52, respectively be connected pulling-on piece 36 and flexibly connect by connecting bolt 37 and lining 40, the screw mandrel 53 that connects pulling-on piece 36 front ends respectively with fore-stock on connecting hole with nut 35 and lining 40 and flexibly connect, the curved support chip 38 that a support seat cushion is arranged of the front end of pulling-on piece, the front end of seat cushion just is placed on this support chip, the right and left of seat cushion 2 back respectively is welded with a minor axis 54, and the axle head mouth has connecting filament mouth 55, and buckling of on the backrest two traction shoulder belts 4 81 just fixedlyed connected with it by bolt 84.In addition for ease of heat radiation and perspire, the rear portion on seat cushion surface 45 has several louvres 56, the inner bag of seat surface 42 has several reinforcements 57 that intersects in length and breadth, to strengthen the intensity of whole seat surface 42, simultaneously along all having connecting filament mouth 58 on seat surface 42 each reinforcement all around.Have groove 59 around the inner bag of bottom 43, there are several to support the support chip 60 of mounting 41 in the groove, whole mounting 41 just is stuck in the groove of support chip 60, have around it with seat surface 42 reinforcements on connector 58 corresponding connecting holes 61, seat surface 42 and bottom 43 closed be buckled together and fix with eight screws 48, whole seat cushion 2 as a whole.

After adopting such structure,, make relative the reducing of pressure of buttocks and seat cushion, strengthened the comfortableness of buttocks, simultaneously,, intermediaryly forward and backwardly establish bimodal 46,47 owing to the seat cushion both sides are provided with the flap 44 of projection because this seat cushion 2 increased and the buttocks contact area.Thereby limited its buttocks arbitrarily moving about forwards, backwards effectively, it to correct that the student forms in study by, shuttle, oblique, askew, four kinds of mistakes write and the posture of listening to the teacher has very effective effect.

(3) " S " type backrest 3

By Fig. 1, Fig. 8, Fig. 9, shown in Figure 10, backrest 3 of the present utility model is made up of back of the body frame 62 and two plastics making sheet that fasten mutually, the backrest face of its backrest is 63, and bonnet is 64, the framework of similar " protruding " font that this back of the body frame 62 is curved by the trunk external form by iron pipe; The upper end is that head rest, lower end are to lean against.Both sides, lower end at back of the body frame respectively are welded with a back shaft 65, are welded with an axis of traction 66 below back shaft again.The port of four axles all has connecting filament mouth 67, and whole back of the body frame enclose is fixed into an integral body by 12 hold-down screws 68 in two plastics making sheet.The front of backrest 3 is big " S " moulding by the human body back curve design.Both sides are done and are useful on the localized flap 69 of positive appearance.Rounding off is held at the flap and the back side 70, in order to the contact area of increase with human body back.Have the slot 74 of two parallel longitudinals at the head rest place, bonnet 64 front and back of this hole and backrest 3 connect, for drawing the usefulness that shoulder belt 4 drew and regulated the shoulder belt height.The lid 86 that is provided with a rectangular box 85 and fastens with box with the slot corresponding section above backrest bonnet 64, this box is shoulder belt traction apparatus 5.At the high spot in the middle and lower part of backrest 3, position near the human body waist, there are 35 circles to lean on type hole 71, for the usefulness that 35 column type rubber columns 72 that are used for magnetic massage are installed, in 35 round post rubber columns, there is the termination of nine rubber columns to stud with powerful magnet steel 191, wherein N level magnet steel 75 has four, S level magnet steel 76 has five, and they all are to arrange by the position of human body waist point.Recess at the middle part has several ventilation pores 73, to help human-body radiating.The inner bag of backrest face 63 has several reinforcements 77 that intersects in length and breadth, to strengthen the intensity at the whole back side 63, simultaneously along all having connecting filament mouth 78 on seat surface 63 reinforcement all around.Have groove 79 around the inner bag of bottom 64, there are several to support the support chip 80 of back of the body frame 62 in the groove, whole back of the body frame 62 just is stuck in the groove of support chip 80, backrest face 63 and bonnet 64 are closed be buckled together and fix with 12 screws 68, backrest 3 as a whole.The front and back moulding of whole backrest 3 all is by after the die sinking, and is injection molded.Has good external form and technology.Use connecting bolt 29 and lining 40 to flexibly connect with the connecting hole of preceding chair frame end the back shaft 65 of back of the body frame below the right and left, axis of traction 66 below the back shaft 65 and the adjustment sheet in the backrest traction apparatus 6 flexibly connect by connecting bolt 32 and lining 40, and the back rake angle of backrest 3 is regulated by the adjustment sheet 137 of drawing pull bar termination in backrest 3 traction apparatuss 6.This moment, whole backrest 3 was equivalent to a big lever, and when backrest 3 was leaned forward, 3 on backrest served as the axle point with back shaft 65, drive backrest traction apparatus 6 work, when strength was eliminated, 3 on whole backrest returned to initial position under the effect of backrest traction apparatus 6.

After adopting such structure, because whole backrest 3 is to make by big " S " curve of human body back, simultaneously, both sides are provided with the flap 69 of projection.Therefore increased the contact surface of human body back and backrest, when the people leaned against on the backrest, there was a kind of impression that is embedded in the backrest at the back of human body, and feels more comfortable, and simultaneously big " S " backrest has good effect to recovering the human vertebra curve.And the effect that 69 pairs of trunks of the flap of both sides projection have alignment, set upright, it to fatigue alleviating, mould fine figure and all have extraordinary effect.

(4) traction shoulder belt 4

Comprise mainly that by Fig. 1, Fig. 4, traction shoulder belt 4 shown in Figure 13 shoulder belt buckles 81, " saying " font shoulder belt length is regulated snap close 82, shoulder belt graduation mark 83 and connecting bolt 84.Adolescent student is when writing, the size of degree of body lean is all regulated snap close 82 by shoulder belt length and is regulated, be marked with graduation mark 83 for regulating shoulder belt easily and fast, suitable during adjustment as long as shoulder belt is on one side adjusted, have a look this shoulder belt length and regulate snap close 82 on which root graduation mark of shoulder belt, promptly another side shoulder belt length is regulated snap close 82 and move on on which root graduation mark and get final product.It mainly acts on is exactly by regulating the length of shoulder belt, effectively control the size of degree of body lean, making the student can remain correct writing posture in writing process.

(5) the shoulder belt traction apparatus 5

By Figure 11, Figure 12, Figure 13, this shoulder belt traction apparatus 5 shown in Figure 14 mainly by traction box body 85, traction lid 86, shoulder belt buckle 81, shoulder belt just regulates kayser, kayser body 87, shoulder belt guide port 88, shoulder belt delivery wheel 89 and tape feed roller 90 and forms.This traction box is positioned at the back of head rest, corresponding with two slots 74 of head rest back, bonnet 64 one made of plastic of whole box body 85 and backrest, the both sides of box body 85 upper ends respectively have a chute 91, and the chute both sides have four lockholes 92 from top to down.The both sides, lower end of box body have a connecting hole 93.Kayser, shoulder belt guiding port 88 and the shoulder belt delivery wheel 89 of regulating the shoulder belt height is connected with kayser body 87 respectively and makes one.Kayser mainly by: lock tube 94, lock pin 95, lock pin spring 96, tenon 97 are formed.Delivery wheel 89 mainly by: two sliding pins parallel to each other 98, sliding sleeve 99 and guiding ports 88 are formed.Its effect is: assurance shoulder belt 4 nimbly and freely, is unlikely to convolution again in pumping.Tenon 97 is connected with the termination spiral of lock pin 95, as long as firmly pinch tenon 97 lock pin 95 and lockhole 92 are broken away from when regulating kayser 87 height, when then kayser 87 being pushed into a last lockhole, unclamp tenon 97, lock pin 95 just is being stuck under the effect of lock pin spring 96 among the lockhole, thereby finishes the adjusting of kayser 87.Tape feed roller 90 mainly by: left wheel disk 100, right wheel disk 101, sleeve pipe 102, wheel shaft 103, ring washer 104, jump ring 105, wind spring 106, wind spring cover 107 hold-down screws 108 to be formed.One side of sleeve pipe 102 have one with shoulder belt with wide slotted eye 109, two port respectively has four symmetrical teeth 110, the center of right wheel disk has a circular hole 111, have four corresponding perforations 112 of four teeth with sleeve pipe 102 ports around its circular hole, the center of left wheel disk 100 has one and is semi-circular hole 113 up and down, also have four corresponding perforations 112 of four teeth with sleeve port around its hole, sleeve pipe 102 be exactly by its port four teeth 110 respectively with about perforation 112 on two wheel discs, rivet into an integral body.For making wheel shaft 103 and tape feed roller 90 interlocks, the port of wheel shaft has a fork pockets 114, and open at the shape of its end face and left wheel disk center, and to be semi-circular hole 113 up and down corresponding.By connecting shown in the figure together, fill up upper gasket 104 then, jump ring 105 on the card, and at this moment, tape feed roller 90 and wheel shaft 103 have just formed the integral body of an interlock.The termination, center of wind spring and the fork pockets 114 on the wheel shaft are fixed together, and the not end of its wind spring is fixed on the stator 116 of wind spring lid, wind spring lid 107 is fixed on the box body 85 by two hold-down screws 108 to get final product again.The slotted eye 109 of one end from sleeve pipe 102 of shoulder belt 4 penetrated head convolution and the seam that passes again shoulder belt 4 from slotted eye 109 behind individual wheel shaft 103, because the slit between sleeve pipe 102 and the wheel shaft 103 equates with the thickness of shoulder belt 4, after shoulder belt 4 tensions, the shoulder belt head of convolution just has been stuck in 109 li of the slotted eyes of sleeve pipe 102, one end of shoulder belt just has been fixed on the tape feed roller 90, the other end of shoulder belt is passed delivery wheel 89, guide port 88, the slot 74 of head rest top are regulated snap close 82 with " saying " font shoulder belt length and are buckled 81 and fixedly connected with " saying " font shoulder belt length adjusting snap close 82.When shoulder belt 4 was pulled out, tape feed roller was sent shoulder belt under the effect of shoulder belt 4, and till shoulder belt 4 had been sent, shoulder belt traction apparatus 5 was just worked and finished, and tape feed roller just is recovered to the shoulder belt 4 of pulling out in the traction box under the effect of wind spring 106 when unclamping shoulder belt 4.Its traction lid 86 is made of plastics, and a snap close 116 is respectively arranged up and down, and it is corresponding with box body two locked grooves 117 up and down, as long as lid 86 is aimed at box body 85 firmly one to be pushed away, lid 86 can be covered on box body 85 when covering lid 86; Two handss pinch lid 86 and firmly one draw when opening, and lid 86 is just opened.

(6) the backrest traction apparatus 6

Mainly form by Fig. 2, backrest traction apparatus 6 shown in Figure 180 by pull cylinder 130, yoke 131, damping rubber cushion 132, traction spring abutment 133, extension spring 134, drawing pull bar 135, pull strength size adjustment nut 136, adjustment sheet 137 and locking nut 138.The yoke 131 of pull cylinder 130 flexibly connects by the hangers 31 of connecting bolt 32 with fore-stock, other end drawing pull bar 135 is connected with adjustment sheet 137 spirals and lock by locking nut 138 after again with backrest on axis of traction 66 flexible connections.At this moment whole backrest 3 is equivalent to a big lever, and the back rake angle of backrest 3 is adjusted by the adjustment screw mandrel and the adjustment sheet 137 of drawing pull bar 135 terminations, adjusts the back that finishes by locking nut 138 lockings.Traction spring abutment 133 is connected with drawing pull bar 135 spirals, and it is that traction spring abutment 133 contacts with the hard of pull cylinder 130 when avoiding drawing spring abutment 133 returns that there are damping rubber cushion 132, its effect in the front of traction spring abutment 133.The size of backrest pull strength is regulated by the adjusting nut 136 of pull cylinder port.

The student at first should regulate the height of seat cushion 2 according to the height of self stature before use.Its method is: the set lever 19,27 that unclamps chair frame 1 front and back can be adjusted to suitable height with chair according to the needs of oneself, then set lever 19,27 lockings are got final product, secondly, be with shoulder belt just regulate kayser 87 adjust to own shoulder with high position, at last, carry shoulder belt 4 on the arm and make forward lean, when chest during from table one fistmele, the tape feed roller 90 in the shoulder belt traction apparatus 5 must all send shoulder belt 4 and till quitting work.The size at forward lean angle is all regulated by shoulder belt length adjusting button 82, for making things convenient for quick adjustment, indicates equidistant graduation mark 83 on the surface of shoulder belt 4, as long as adjust the length of shoulder belt 4 on one side, 4 of other end shoulder belts can be adjusted fast.After above-mentioned adjustment finishes, just need not adjust when writing later on, as long as carry shoulder belt 4 on the arm.

The operation principle of shoulder belt traction apparatus 5 and backrest traction apparatus 6 is: when the student when writing, the shoulder belt 4 that is worn on its two shoulder can be flexible freely with student's two shoulders, this moment since the pull strength of shoulder belt traction apparatus 5 less than the pull strength of backrest traction apparatus, therefore when shoulder belt 4 protract or after when contracting the position of backrest 3 remain motionless, and surpassed the scope that shoulder belt traction apparatus 5 allows when Writer's forward lean angle, the shoulder belt 4 that shoulder belt traction apparatus this moment is 5 li has stopped work owing to having sent, the health that too leans forward just leans forward with health by the whole backrest of both sides shoulder belt 4 pulling 3, the axis of traction 66 of backrest 3 belows is to move behind the axle center with back shaft 65 then, simultaneously also spur backrest draw bar 135 and move compressive traction spring 134 backward.Because the pull strength of backrest traction is bigger, the strength that human body too leans forward can only temporarily be contended with it, but can not be lasting, and the time one is long, and extension spring 134 just promotes traction spring abutment 133 and forces draw bar 135 returns.Simultaneously, also forcing backrest 3 serves as an axle point with back shaft 65, retreats and pulls back correct writing position by the way up that shoulder belt 4 too leans forward the student.After finishing using, throw off shoulder belt 4, shoulder belt 4 just under the effect of wind spring 106, is automatically withdrawn into shoulder belt 4 in the tape feed roller 90.

After adopting said structure, listen class hour the student, because the shoulder belt 4 that is worn on two shoulders has a horizontal pull strength backward by wind spring 106, make student's entire back and two shoulders stick together closely with whole big " S " backrest 3, help to recover the normal physiological curve of student's vertebra, it has good effect to imitating positive student's crookback.When the student write, it can give correct top rake of student's health, it can not too be lain prone write on desk, simultaneously, when the student write, two shoulder belts 4 provide was an isostatic power system, therefore the student's two shoulders can remain parallel with desk, and can not about crooked.Long when student's writing time, when overdraw appearred in the arm of body support, two shoulder belts 4 take on for student's two provide a strong support, made student's health remain a correct top rake and can not fall.For the student who is accustomed to writing on all fours, even writing on the desk by enforceable the lying prone of self strength, also be temporary transient, because the strength of human body self is can't to contend with for a long time with the pull strength that backrest traction apparatus 6 provides at all, time one backrest traction apparatus 6 of a specified duration will be by two shoulder belts 4 on backrest 3 and the backrest, with lie prone on desk way up backward gradually be withdrawn into normal Writing distance, thereby fundamentally eliminated the stupid habit that the student writes on all fours, and don't student's health has been constituted any health and physiological injury.

(7) detachable desk 7

By Fig. 2, Fig. 3, Figure 25, Figure 26, Figure 27, detachable desk 7 of the present utility model shown in Figure 28 cleverly with two handrails 20 of chair 1 as the support of desk 7 and it is movably connected, the distance of it and chair 1 can before and after regulate, the height of its desk 7 also can be regulated up and down, and the crowd fat or thin with convenient different height uses.This desk is made up of two expansion links 139, two height elevating levers 140 and 141, two pairs of locking nuts 142 of lifting cover and set lever 143, two locating rings 144, two connecting rings 145, locating slot 146, desktop 147, plastic books railway carriage or compartment 148 and a screw 149.The side of two expansion links 139 is milled with one and is used for localized elongated slot 150, its diameter just packs in the pipe of handrail port, a pair of plastic plug 22 is arranged on the port of handrail 20, it is taken off the back packs into expansion link in the pipe of handrail 20, respectively be welded with a locking nut and set lever 23 in the handrail outside near the port, the lateral elongated slot of the silk end of set lever 23 and expansion link 139 150 is corresponding, the other end of expansion link 139 is vertically welded in the bottom of lifting cover 141 respectively, its both sides, upper end respectively are welded with a locking nut 142 and tight spiral shell handle 143 again, two height elevating levers 140 are curved square, the port that the one side at right angle is had several positioning ring grooves 151 packs in the lifting cover 141, another side is the left support bar 152 and the right support bar 153 of whole desk, two connecting rings, 145 usefulness screws 149 are fixed on one side of desk bottom surface, another side is fixing with locating slot 146 usefulness screws 149, its width equates with the width of two handrails, reuse screw 149 is fixed on book railway carriage or compartment 148 central authorities of desk bottom surface, there is the one side of connecting ring 145 to pack in the support bar 152 on the left side desk 147 bottom surfaces, the front and back of support bar are fixing with locating ring 144 respectively, the bottom surface of desk 147 has the one side of locating slot 146 then to be placed on the support bar 153 on the right, adjust desk 147 and chair 1 front and back and high and low position, lock four set levers and get final product.

Unclamp some elevating lever set levers 143 during use slightly, the back inhour is upwards mentioned or mentioned on the right side of desk 147 rotate desk 147, simultaneously the support bar 135 on the right is outwards cast aside, human body just can be come in and gone out easily.

After adopting such structure, because chair 1 and desk 7 are keeping parallelism all the time, thereby make the Writer's health also can be all the time and the desk keeping parallelism, write and be unlikely to askew health, simultaneously the front and back height of desk 7 and chair 1 can be according to the fat or thin random suitable adjusting of carrying out of Writer's height, thus also suppressed to a certain extent adolescent student against with the bad habit of writing on all fours.For the adult also can according to oneself requirement and like random desk 7 is unloaded easily and loads onto, not only conveniently moved, but also be convenient to sweep and don't take unnecessary space.

(8) folding cervical traction frame 8

Form by the coupling hook 156 of body frame 154, crossbearer 155 and four band kaysers by Fig. 2, Fig. 3, Figure 19, Figure 20, shown in Figure 21 traction frame 8.Body frame 154 and crossbearer 155 all are the steelframes that is formed " U " font by two steel tube bendings, its width equates with the width on head rest both sides, body frame 154 is long, crossbearer 155 is short, four ports of body frame 154 and crossbearer 155 are connected with four column type jaw 156 spirals respectively, and lock with lock nut 157.Its column type jaw 156 mainly is made up of tenon 158, lock dog 159, lock dog spring 160, guide bar 161, lock nut 157.The coupling hook on body frame 154 both sides respectively with the head rest back about two hangers, 165 usefulness dormant bolts 162 flexibly connect.Its hangers centre bore respectively have a locked groove 166 up and down, be welded with a hangers 167 again at the top of body frame the right and left simultaneously, the below of this hangers centre bore respectively has a locked groove 168 with vertical side.Two column type coupling hooks of subframe 155 and the hangers on the body frame flexibly connect with dormant bolt 163.Tenon 158 is fixing by connecting bolt 164 with lock dog 159.This traction frame 8 folds together when flat and whole chair 1 forms an integral body.

During use: at first, the tenon 158 that pinches crossbearer 155 coupling hooks 156 two ends with hands is respectively upwards carried, lock dog 159 and locked groove 168 are broken away from, unclamp then both hands with subframe 155 backward, turnover downwards, when subframe 155 and body frame 154 are vertical, the locked groove 168 of lock dog 159 on automatic under the effect of lock dog spring 160 and hangers 167 is interlocked, and crossbearer 155 is by locked.Secondly, with identical method body frame is risen.At this moment whole traction frame 8 just sets up and finishes.

(9) traction apparatus for cervical vertebrae 9

By a trough plate 169, be welded on the top end of crossbearer 155 by Fig. 3, Figure 22, Figure 23, this traction apparatus for cervical vertebrae 9 shown in Figure 24.Mainly by: traction handle 170, draw bar 171, ratchet 172, ratchet 173, ratchet extension spring 174, separate thread off 175, locking plate 176, tape feed roller 177, traction belt 178, traction belt hook 179, traction tape drum 180, lid 181, return wind spring 182, wind spring steady pin 183, wind spring holddown groove 184, wind spring lid 185, ratchet lid 186, traction headgear 187, headgear link 188, attachment screw 189 and handle lock nut 190 form.During use: thread off 175 with pushing away on hand to separate, traction belt 178 just slides from traction box 180 automatically.Put on traction headgear 187 this moment, the cover link 188 on the head is hung on the hook 179 of traction belt, the reuse hands rotates traction handle 170 forward, and headgear 187 just moves on gradually, till reaching suitable pull strength.After using, thread off 175 with pushing away on hand to separate, traction belt 178 just slides and removes traction automatically, with the link 188 that drawing head puts, links up with 179 from traction belt and takes off, and rotates traction handle 170 forward with hands, in traction belt 178 income traction box 180.Then, body frame 154 is folded together by unfolded order with subframe 155 get final product.

After adopting such structure, concerning those are engaged in the scholar and student who bends over the desk to write for a long time,, just can be at any time the cervical vertebra of fatigue be drawn as long as study finishes, with reach with learn, with control, with the purpose of preventing.Simultaneously, whole traction apparatus 9, the simplicity of design practicality, light small and exquisite, it and whole chair 1 form an integral body, and don't account for unnecessary space, as Fig. 2, Fig. 3, shown in Figure 31.

(10) waist magnetic massage district 10

By Fig. 1, Fig. 8, waist magnetic massage shown in Figure 10 district 10 are high spots in the below of its big " S " backrest 3, i.e. hole 71 of having opened 35 column types near the position of human body waist, 35 column type blob of viscoses 72 in its 35 middle holes, have been inlayed simultaneously again, on the top of 35 column type blob of viscoses 72, be bumped into nine powerful magnet steel 191 according to the position of human body waist point.The magnetic field of setting up by magnet steel to the waist point of human body carry out magnetic therapy it to promoting the blood of human body circulation, alleviate lumbar fatigue, the treatment lumbar muscle strain, prolapse of lumbar intervertebral disc, lumbar vertebra hyperosteogeny, simultaneously to insomnia, disease such as forgetful all has better curative effect.

After adopting said structure, the human body waist closely pastes mutually with individual 35 column type glue posts 72 all the time, nine high-intensity magnetic fields that the powerful magnet steel of arranging according to waist point 191 is set up, both can carry out magnetic therapy to waist, simultaneously when about twisting during health, back and forth massage about 35 round glue posts 72 will carry out waist, thereby the real limit of accomplishing of student or scholar is learnt, the limit physical therapy, the limit prevention, and without any constraint.

Embodiment 2

The multi-functional posture correcting chair of present embodiment is except shoulder belt traction apparatus 5 and embodiment 1 are different, and other structure is identical with embodiment 1.The shoulder belt traction apparatus of being adopted 5 is by Figure 15, Figure 16, shown in Figure 17, the top that has kept the shoulder belt traction apparatus, removed tape feed roller 90 and winding spring 106 and whole box body 85 has been extended to the bottom of whole backrest 3, the both sides of box body 85 respectively have a traction guide groove 118, the upper end of traction guide groove 118 is a top dead centre, the lower end is a lower dead center, the lower part structure of this shoulder belt traction apparatus 5 comprises traction extension spring 119, sliding pin body 120, stay-bolt 121, sliding pin cover 122, packing ring 123 and connecting bolt 124.Sliding pin body 120 curves the U font by iron plate, its both sides of holding up respectively have a connecting hole 125, the base is welded with two hangers 126, the bottom of box body 85 has two holes 127, wear in two holes 127 of box body bottom the bolt 128 of two band ears also fixing with attaching nut 129, one end of traction extension spring 119 is hung on the hangers 128 of box body bottom, hook 126 on the other end and the sliding pin body articulates, stay-bolt 121 cover upper gaskets 123 are penetrated from the traction guide groove 118 of box body 85 1 sides again, through sliding pin body 120, sliding pin cover 122 passes from the traction guide groove 118 of the opposite side of box body 85 and is with upper gasket 123 again, connecting bolt 124 gets final product.One end of shoulder belt 4 is fixed on the sliding sleeve, and the other end passes delivery wheel 89, and guide port 88 is with " saying " font snap close 82 and buckle 81 and fixedly connected with " saying " font snap close 82.When shoulder belt 4 is pulled out, sliding pin 120 rises along guide channel 118 under the effect of shoulder belt 4, the shoulder belt traction apparatus is just worked and is finished when arriving top dead centre, and sliding pin 120 is just being regained the shoulder belt 4 of pulling out in the traction box along guide channel 118 under the effect of traction extension spring 119 when unclamping shoulder belt 4.The traction lid also is made of plastics, and the snap close 116 of a projection is respectively arranged up and down, and two locked grooves 117 are corresponding up and down with box body for it, as long as lid 86 is aimed at box body 85 firmly one to be pushed away, can cover lid 86 when covering lid 86; Two handss pinch lid 86 and firmly one draw when opening, and lid 86 is just opened.

Embodiment 3

By Figure 32, Figure 33, shown in Figure 35, the chair frame of the multi-functional posture correcting chair of present embodiment is by grillage 192, chair foot 193 and be configured to 194, grillage 192 is stamped to form for iron plate, about dividing two, be pressed with flanging 202 in the stage casing of grillage 192 to strengthen the intensity of whole grillage 192, the epimere of grillage 192 respectively has a connecting hole 203 and flexibly connects with the back shaft 236 on backrest 197 both sides respectively, around this connecting hole 203, have traction box hole clipping 204, traction disc spring lacing film 205, traction box anchoring filament hole 206.The stage casing of chair frame 192 has four connecting holes 207 and fixedlys connected with screw mandrel 208 with the connecting hole on seat cushion 196 both sides with handrail 195 respectively, for further strengthening the intensity of whole grillage 192, the edge of frame plate 192 all is pressed with reinforcement 209, be weight reduction, the two sections of grillage 192 all have leg-of-mutton hole 210, and the limit, two leg-of-mutton holes of hypomere also is pressed with reinforcement 209.The middle hypomere of grillage 192 leans on into, and the position on base has an oblong shaped orifices 211, the top of aperture is the kayser 212 of control grillage 192 liftings, and this kayser is made up of lock frame 213, snap 214, lock dog 215, lock dog handle 216, connection screw mandrel 217, attaching nut 218.Respectively be welded with the locating slot 219 of a U-shaped in the inboard upper end of grillage 192, the middle position of lower end respectively is welded with " U " font frid 220, and promptly forming one can be for the connection barrel of chair foot support 194 free liftings.

By Figure 32, shown in Figure 33, this chair foot 193 and support 194 are made up of the iron pipe 221 of two rectangle iron pipes and a circle.The position (side see) of the central authorities that two supports 194 are vertically welded in two chair feet 194 respectively after partially, the lower end of two supports 194 is welded with a circular iron pipe 221 that plays connection and booster action, the rear and front end of chair foot respectively is with four antiskid glue sleeves 222, the outside of its support 194 has several oblong shaped orifices 223, this hole is corresponding with the oblong shaped orifices 211 of grillage lower end, depress kayser handle 216, the rectangle slotted eye 220 of this support 194 with grillage 192 lower ends connected together, release handle 216, support 194 just are fixed together with grillage 192 and arbitrarily lifting easily.

By Figure 32, shown in Figure 33, this handrail 195 is made by two iron pipes that are bent into " U " font, one side of " U " font is flattened the back and is had two connecting holes 224 with press, this connecting hole 224 connects into an integral body by two connecting bolts 208 and chair frame 192 and seat cushion 196, the outside of handrail 195 is with one deck foam thermal protection cover 225, its port covers (when not going up desk) with serum cap 226, and the outside of handrail 195 taps into that the port respectively is welded with a locking nut 227 and set lever 228 these handrails 195 have identical effect with the handrail 20 of embodiment 3.

By Figure 32, Figure 36, Figure 37, shown in Figure 38, this seat cushion 196 is made by duroplasts, its profile is identical with the seat cushion 2 of embodiment 1 with effect, mounting 41 and bottom 43 have just been cancelled, the inner bag of seat cushion 196 has six reinforcements 229 that intersect in length and breadth, the both sides of seat cushion respectively have four connecting holes 230, four connecting holes 207 on it and chair frame 129 both sides and handrail two even holes 224 link together by four bolts 208, the rear side of seat cushion 196 has two connecting holes 231, and it buckles 234 by bolt 232 and nut 233 with shoulder belt and fixedlys connected.

By Figure 32, Figure 39, Figure 40, shown in Figure 41, this backrest 197 is also made by duroplasts, and its profile is identical with the back side of the backrest of embodiment 1 with effect, has just cancelled back rest 62.The inner bag of backrest 197 has several reinforcements 235 that intersects in length and breadth, fixedly connected by three set bolts 239 with the iron plate 238 that is welded with back shaft 236 and locating shaft 237 in the lower end of backrest 197 both sides, the port of back shaft has a fork pockets 240, its end face is milled with a clamp bar slot 241, the bonnet 242 of backrest 197 also is to be made by duroplasts, there are two rectangular shoulder belt traction apparatuss 199 and traction shoulder belt 198 in its upper end, and its internal structure is identical with shoulder belt traction apparatus 5 and the traction shoulder belt 4 of embodiment 1 with function.After the bonnet 241 of backrest 1 97 covered, by 26 screws, 243 fixing getting final product.

By Figure 33, shown in Figure 34, this backrest traction apparatus 200 is by back shaft 236, packing ring 244, jump ring 245, disc spring 246, disc spring lid 247, hold-down screw 248 is formed, with the back shaft 236 of backrest with after the connecting hole 203 of chair frame 192 upper ends is connected, band upper gasket 244, jump ring 245 on the card, whole backrest 197 just has been movably connected in whole chair frame 192, at last the center-side of disc spring 246 is stuck in 240 li of the fork pockets of back shaft, after with specific purpose tool the not end of disc spring 246 and stator 205 being articulated, the buckle 249 that earlier disc spring is covered 246 upper ends is stuck on the bayonet socket 204 of chair frame upper end, covers disc spring lid 247 and also is fixed on the silk hole 206 of chair frame upper end with screw 248.This backrest traction apparatus 200 is to utilize the torsion of the rotations of disc spring 246 conduction on back shaft 236 to reach the draw identical with the backrest traction apparatus 6 of embodiment 1.

By shown in Figure 33, this desk 201 is just the same with structure, effect and the method for attachment of the desk 7 of embodiment 1, no longer carefully states at this.

This embodiment compares with embodiment 1 and has removed cervical traction frame 8 and traction apparatus for cervical vertebrae 9, has simplified the internal structure of chair frame 1, seat cushion 2, backrest 3 and backrest traction apparatus 6.But at correcting sitting postures, pre-myopia prevention, alleviate on writer fatigue, the waist magnetic massage and have just the same effect and effect with embodiment 1.

Claims (8)

1. multi-functional posture correcting chair, comprise liftable chair frame (1), seat cushion (2,196) and backrest (3,197), it is characterized in that: it also comprises shoulder belt (4,198), shoulder belt traction apparatus (5,199) and backrest traction apparatus (6,200), shoulder belt traction apparatus (5,199) be installed in backrest (3,197) on the back, backrest traction apparatus (6,200) be connected chair frame (1) and backrest (3,197) on, shoulder belt (4,198) be provided with the snap close (82) of scalable length, backrest (3,197) have on for shoulder belt (4,198) hole of passing (74), shoulder belt (4,198) a end is fixed on seat cushion (2,196) or on the chair frame (1), the other end passes backrest (3,197) hole on is fixed on shoulder belt traction apparatus (5 after (74), 199) on; The central authorities of seat cushion (2,196) are provided with the projection of likeness in form hump from front to back, and the leading peak of projection (46) is higher than postpeak (47), is arc transition between the forward and backward peak, and the both sides of seat cushion (2,196) also are provided with the flap (44) of projection.

2. a kind of multi-functional posture correcting chair according to claim 1, it is characterized in that: chair frame (1) is by fore-stock (11), front chair leg (12), after-poppet (13) and back chair foot (14) constitute, fore-stock (11) and front chair leg (12), after-poppet (13) is connected with afterwards adopting liftable between the chair foot (14), both sides in seat cushion (2), fore-stock (11) and after-poppet (13) intersection flexibly connect, the epimere of after-poppet (13) constitutes the handrail (20) of chair to front curve, the epimere of fore-stock (11) is crooked and flexibly connect with backrest (3), before seat cushion (2) and its both sides, after-poppet (11,13) adopt collapsible connection; Backrest traction apparatus (6) is by pull cylinder (130), damping rubber cushion (132), spring abutment (133), extension spring (134), drawing pull bar (135), the adjusting nut (136) of scalable pull strength size, brace (137) and locking nut (138) constitute, damping rubber cushion (132), spring abutment (133) and extension spring (134) are positioned at pull cylinder (130), extension spring (134) is enclosed within on the drawing pull bar (135), damping rubber cushion (132) is positioned between the bottom surface of spring abutment (133) and pull cylinder (130), adjusting nut (136) is threaded onto on the port of pull cylinder (130), one end of drawing pull bar (135) is connected with spring abutment (133), the other end passes adjusting nut (136) back and is fixed on the brace (137) by locking nut (138), one end of pull cylinder (130) and fore-stock (11) flexibly connect, and the other end then flexibly connects by brace (137) and backrest (3).

3. a kind of multi-functional posture correcting chair according to claim 1, it is characterized in that: chair frame (1) is by the grillage (192) that is positioned at seat cushion (196) both sides, chair foot (193) and support (194) constitute, adopt liftable to connect between grillage (192) and the chair foot (193), seat cushion (196) and handrail (195) are fixedly connected on the grillage (192), backrest (197) flexibly connects by backrest traction apparatus (200) with the upper end of grillage (192), backrest traction apparatus (200) is mainly by back shaft (236), jump ring (245), disc spring (246) and disc spring lid (247) are formed, back shaft (236) is positioned at backrest (197), its end is passed the hole on the grillage (192) and is passed through jump ring (245) and is connected with grillage (192) with packing ring (244), disc spring (246) is loaded in the disc spring lid (247), its center-side is fixed on the back shaft (236), end is fixed on the grillage (192), and disc spring lid (247) is installed on the grillage (192).

4. according to claim 1 or 2 or 3 described a kind of multi-functional posture correcting chairs, it is characterized in that: shoulder belt traction apparatus (5,199) by traction box body (85), traction lid (86), the kayser of scalable shoulder belt height, kayser body (87), shoulder belt guide port (88), shoulder belt delivery wheel (89) and tape feed roller (90) are formed, the epimere both sides of box body (85) respectively have a chute (91), be intervally distributed with lockhole (92) on the chute (91), kayser, shoulder belt guide port (88) is connected with kayser body (87) respectively with shoulder belt delivery wheel (89) and constitutes an integral body, kayser is by lock tube (94), lock pin (95), lock pin spring (96) and tenon (97) constitute, lock pin (95) is positioned at lock tube (94) with lock pin spring (96), lock pin (95) is connected with tenon (97), and two tenons (97) telescopically is positioned on the chute lockhole (92) of box body (85) both sides; Tape feed roller (90) is mainly by left wheel disk (100), right wheel disk (101), sleeve pipe (102), wheel shaft (103), jump ring (105), wind spring (106) and wind spring lid (107) are formed, left wheel disk (100) and right wheel disk (101) are separately fixed at the two ends of sleeve pipe (102) and are positioned at box body (85), wheel shaft (103) passes right wheel disk (101), sleeve pipe (102) and left wheel disk (100) also are fixed together with left wheel disk (100), its two ends are by jump ring (105), packing ring (104) is installed in rotation in the hole of box body (85), wind spring (106) is positioned at wind spring lid (107), its center-side is fixed on the wheel shaft (103), end is fixed on the wind spring lid (107), and wind spring lid (107) is installed on the box body (85); One end of shoulder belt (4,198) is fixed on the sleeve pipe (102), and can be wrapped on the sleeve pipe (102).

5. according to claim 1 or 2 or 3 described a kind of multi-functional posture correcting chairs, it is characterized in that: shoulder belt traction apparatus (5,199) by box body (85), traction lid (86), the kayser of scalable shoulder belt height, kayser body (87), shoulder belt guide port (88), shoulder belt delivery wheel (89), traction extension spring (119), sliding lock body (120), stay-bolt (121), sliding lock cover (122) and nut (124) constitute, the epimere both sides of box body (85) respectively have a chute (91), be intervally distributed with lockhole (92) on the chute (91), the hypomere both sides of box body (85) respectively have a traction guide groove (118), kayser, shoulder belt guide port (88) is connected with kayser body (87) respectively with shoulder belt delivery wheel (89) and constitutes an integral body, kayser is by lock tube (94), lock pin (95), lock pin spring (96) and tenon (97) constitute, lock pin (95) is positioned at lock tube (94) with lock pin spring (96), lock pin (95) is connected with tenon (97), and two tenons (97) telescopically is positioned on the chute lockhole (92) of box body (85) both sides; Sliding pin body (120) and sliding pin cover (122) can be installed in the traction guide groove (118) up or down by stay-bolt (121) and nut (124), one end of traction extension spring (119) is fixed on the sliding pin body (120), the other end is fixed on the bottom of box body (85), and an end of shoulder belt (4,198) is fixed on the sliding pin cover (122).

6. according to claim 1 or 2 or 3 described a kind of multi-functional posture correcting chairs, its spy is being: it also comprises a dismountable desk (7,201), this desk (7,201) by expansion link (139), elevating lever (140), lifting cover (141), locking nut and set lever (23) are removably mounted on the handrail, at desk (7,201) bottom surface is separately installed with connecting ring (145) and locating slot (146) on the position corresponding with handrail, expansion link (139) is installed on the handrail by locking nut and set lever (23) telescopically, lifting cover (141) and vertical connection of expansion link (139), the vertical part of elevating lever (140) liftably is installed in the lifting cover (141) by locking nut (142) and set lever (143), and its horizontal component is then inserted solid at desk (7 respectively, 201) in connecting ring of bottom surface (145) and the locating slot (146).

7. according to claim 1 or 2 or 3 described a kind of multi-functional posture correcting chairs, it is characterized in that: it also is equipped with a traction apparatus for cervical vertebrae (9), this traction apparatus for cervical vertebrae (9) is installed on the backrest (3) by cervical traction frame (8), mainly by traction handle (170), draw bar (171), ratchet (172), ratchet (173), ratchet extension spring (174), separate dropout (175), locking plate (176), tape feed roller (177), traction belt (178), return spring (182) and traction headgear (187) are formed, traction handle (170), ratchet (172), tape feed roller (177) and return spring (182) are installed on the draw bar (171), wherein traction handle (170) is fixed on the two ends of draw bar (171), ratchet (172) and ratchet (173) engagement, one end of traction belt (178) is fixed on the tape feed roller (177), and the other end is connected with traction headgear (187).

8. according to claim 1 or 2 or 3 described a kind of multi-functional posture correcting chairs, it is characterized in that: backrest (3,197) is " S " type, be provided with the flap (69) of projection on the both sides of backrest (3,197), the high spot that contacts with the human body waist in the bottom of backrest (3,197) is evenly distributed with several cylindrical glue posts (72), studs with powerful magnet steel (191) on the part glue post (72).

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