CN112057291A

CN112057291A - Supporting device for lordosis

Info

Publication number: CN112057291A
Application number: CN202010833391.0A
Authority: CN
Inventors: 张昊聪; 周新月; 吴兵; 刘欣伟
Original assignee: Individual
Current assignee: General Hospital of Shenyang Military Region
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-12-11
Anticipated expiration: 2040-08-18
Also published as: CN112057291B

Abstract

The utility model provides a strutting arrangement for backbone lordosis, including the seat, symmetry fixed mounting has the handrail around the back board right side wall of seat, sets up first inner chamber in the back board of seat, and the bedplate of seat is inside to have seted up the second inner chamber and communicates each other with first inner chamber, and the first elasticity telescopic link that the movable rod was right is installed to the left side inner wall of first inner chamber, and the vertical first through-hole of having seted up of back board right side wall of seat, the first arc of fixedly connected with concave surface right side after first through-hole is stretched out to first elasticity telescopic link's movable rod right-hand member right side. The elastic arc-shaped plate is arranged to support the spine of a user, the arc of the elastic arc-shaped plate is more fit with the human body, so that the user is more comfortable, the elastic telescopic rod and the elastic arc-shaped plate jointly play a role in exercising the spine of the user, and the movable plate is positioned in the seat plate of the seat in normal use, so that the space is saved and the user does not feel uncomfortable when sitting down.

Description

Supporting device for lordosis

Technical Field

The invention belongs to the field of spinal support devices, and particularly relates to a support device for lordosis.

Background

In daily office work, people often need to sit for a long time, spine deformation and spondylopathy formation are easily caused in the process of sitting for a long time, so a device is needed for supporting the spine to ensure the correct sitting posture of a user and carrying out proper muscle massage on the spine, the muscle at the spine can be exercised to ensure the balance of the spine, meanwhile, the user who sits for a long time needs to exercise and relax the muscle when having a rest, a few items for keeping sitting postures for exercise are needed, wherein the back-turning and side-bending motions of the spine are common, but a resistance device for the user to do the back-turning motion of the spine is absent on a chair, so the exercise effect of the user is poor, the pelvis and the legs are required to be ensured to be still in the back-turning motion process of the spine to achieve a better exercise effect, but the user often unconsciously rotates the pelvis and the legs along with the spine to cause poor exercise effect, a wrong exercise posture may significantly reduce or even counteract the exercise effect of the user, and a spinal support device is now devised to address the above problems.

Disclosure of Invention

The invention provides a supporting device for lordosis, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

a supporting device for lordosis of the spine comprises a seat, armrests are symmetrically and fixedly installed on the front and back of the right side wall of a back board of the seat, a first inner cavity is formed in the back board of the seat, a second inner cavity is formed in the seat board of the seat and communicated with the first inner cavity, a first elastic telescopic rod with a movable rod facing right is installed on the left inner wall of the first inner cavity, a first through hole is vertically formed in the right side wall of the back board of the seat, the right end of the movable rod of the first elastic telescopic rod extends out of the first through hole rightwards and is fixedly connected with a first arc-shaped board with a concave surface facing right, the middle part of the left side surface of the first arc-shaped board is fixedly connected with the right end of the movable rod of the first elastic telescopic rod, a vertical board is fixedly connected with the lower side surface of the first arc-shaped board close to the left end, a transverse straight tooth rack is fixedly connected with, a vertical second sliding groove is formed in the inner wall of the left side of the second inner cavity, a second sliding block is installed in the second sliding groove in a matched mode, the right end of the second sliding block is fixedly connected with an internal thread connecting block, a rotating shaft is fixedly connected to the top of a lead screw, a straight gear is fixedly sleeved on the outer side of the rotating shaft, the left end of a straight rack penetrates through a first through hole leftwards and then is meshed with the straight gear in a matched mode, transverse connecting rods are symmetrically and fixedly connected to the front side and the rear side of the internal thread connecting block, fixing blocks are fixedly installed at the positions, close to the right end, of the tops of the connecting rods, movable plates are arranged on the upper sides of the fixing blocks, third sliding grooves are formed in the bottoms of the movable plates in the front and rear direction, third sliding blocks are installed in the third sliding grooves in a matched mode, the third sliding blocks are fixedly connected with one sides, close to, the movable plate is positioned at the inner side corresponding to the second through hole, one side of the second through hole close to the center of the seat base plate is provided with an inclined plane, the inclined plane faces towards the upper side far away from the center of the seat base plate, one side of the movable plate facing the center of the seat base plate is an inclined plane, the inclined plane of the movable plate and the inclined plane corresponding to the second through hole are mutually parallel and in contact fit, the middle part of the concave surface of the first arc-shaped plate is provided with a first arc-shaped chute, a fourth sliding block is installed in the first arc-shaped chute in a matching manner, second springs are arranged in the first arc-shaped chutes at the front side and the rear side of the fourth sliding block, one end of each second spring is in contact fit with one side of the first arc-shaped chute, the other end of each second spring is in contact fit with the corresponding side of the fourth sliding block, the right end of the fourth sliding block is fixedly connected with, the other binding belt is fixedly connected with a hair side of a magic tape.

As above a strutting arrangement for spine lordosis, the vertical first spout of having seted up of left side inner wall of first inner chamber, first spout fit in-house installs first slider, the right-hand member fixed mounting of first slider has the first elasticity telescopic link that the movable rod is right, the guide hole has transversely been seted up on the face of riser, it has the horizontal pole to pass in the guide hole, the horizontal pole cooperates with the inner wall contact of guide hole, fixedly connected with stopper behind the guide hole is passed to the right-hand member of horizontal pole, the left end fixedly connected with screw rod of horizontal pole, the back board right side wall of seat corresponds the vertical equidistance of screw rod and has seted up the several screw hole, the screw hole staggers with first through-hole, the screw rod is connected with one.

As above a strutting arrangement for spine lordosis, the concave surface of first arc symmetric fixed mounting have second elastic telescopic link around, the movable rod of second elastic telescopic link all towards the centre of a circle of first arc place circle, second elastic telescopic link's movable rod outer end all rotates and is connected with the spheroid, cross spout has all been seted up to elasticity arc left side convex surface correspondence spheroid, the spheroid can roll in the cross spout that corresponds.

According to the supporting device for lordosis of the spine, the concave surface of the arc-shaped elastic plate, the top surface of the seat plate of the seat and the top surface of the movable plate are fixedly connected with the sponge cushions.

According to the supporting device for lordosis, the groove is formed in the left side wall of the first inner cavity corresponding to the straight rack.

The invention has the advantages that: when the chair is used as a chair in ordinary times, a user can lean the waist against the concave surface of the elastic arc-shaped plate, the elastic arc-shaped plate can support the waist of the user to prevent the spinal deformation, meanwhile, the elastic arc-shaped plate is matched with the first elastic telescopic rod to play a resistance training effect on the waist of the user, when the user needs to move a spinal part in rest time, the user firstly binds the body in the waist area through a binding band, then the body presses the elastic arc-shaped plate and the first arc-shaped plate backwards, the movable rod of the first elastic telescopic rod moves leftwards and is pressed back into the fixed rod, the spinal part of the user is subjected to resistance, the straight-tooth rack drives the straight-tooth gear, the rotating shaft and the screw rod to rotate, the internal thread connecting block drives the connecting rod to move upwards, the connecting rod jacks up the front side and the rear side through the fixed block, the movable plate is higher than the top surface of the seat plate of the chair, the first spring always pushes, therefore, the two movable plates move towards the center of the seat plate of the seat when moving upwards, the user controls the backward movement distance of the trunk part of the body according to the width of the pelvis, the wider the pelvis is, the smaller the backward movement distance of the trunk of the user is until one side of the two movable plates, which faces the center of the seat plate, is in contact with the pelvis part of the user, the user can control the vertebral column part to do the rotary motion at the moment, the user drives the fourth sliding block to slide in the first arc-shaped sliding groove at a constant speed through the elastic arc-shaped plate when doing the rotary motion of the vertebral column part, when the user rotates clockwise, the second spring at the front side is compressed, the second spring plays a role in resistance training for the user, when the user rotates anticlockwise, the second spring at the front side pushes the fourth sliding block to reset, and at the moment, the user still keeps the constant speed motion to overcome the thrust of the second spring and also plays, the user continues to rotate anticlockwise, the second spring on the rear side is compressed, muscles on the other side of the spine of the user are exercised and strengthened, muscles on two sides of the spine of the user are exercised fully through continuous reciprocating convolution, balance of the spine is guaranteed, the spine is not prone to deformation, the trunk part is kept in a tight and straight state due to resistance of the first elastic telescopic rod when the user does the spine convolution motion, exercise postures of the user are standardized, meanwhile, the movable plate is always in contact with the pelvis of the user during the user does the convolution motion, when the pelvis and the legs of the user rotate together with the trunk part unconsciously, the skin on the outer sides of the pelvis and the legs is pressed by the movable plate to play a role in reminding the user, and meanwhile, the first spring is matched with the movable plate to play a role in stopping rotation of the pelvis and the legs of the user, after the exercise is finished, when the user does not lean backwards any more, the movable rod of the first elastic telescopic rod drives the first arc-shaped plate to reset rightwards, the straight-tooth rack drives the straight-tooth gear to rotate, the internal thread connecting block drives the movable plate to move downwards through the connecting rod until the movable plate resets, and the first spring is compressed, so that the next exercise can be conveniently carried out; the invention has the advantages that the elastic arc-shaped plate is arranged to support the spine of a user, the arc of the elastic arc-shaped plate is more fit with the human body, so that the user is more comfortable, the elastic telescopic rod is matched with the elastic arc-shaped plate to exercise the spine of the user, the movable plate is positioned in the seat plate of the seat in normal use, so that the space is saved, and the user does not feel uncomfortable when sitting down, when the user needs to exercise, the user can push the movable plate upwards only by leaning backwards, and the movable plate can be drawn close to the center of the seat plate of the seat in the upward movement process, the user can adjust the movement track of the movable plate according to the size of the pelvis to be fit with the skin on the outer side of the pelvis, the two movable plates jointly play the role of normalizing the movement of the user when the user performs the spine circling movement, so that the exercise of the user achieves the effect of half work times, and because the user continuously, the movable rod of the first elastic telescopic rod has a thrust effect on the spine of the user, helps the spine of the user to be in a tight and straight state, and therefore the movable rod and the spine of the user can take a good exercise effect under the action of the movable rod and the spine of the user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of the A-direction structure of FIG. 1; FIG. 3 is a schematic view of the connection of a ball to a cruciform chute; FIG. 4 is a schematic view of the connection between the movable plate and the second through hole; fig. 5 is an enlarged view of i of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A supporting device for lordosis of a vertebral column comprises a seat 1, armrests 2 are symmetrically and fixedly installed on the front and back of the right side wall of a back board of the seat 1, a first inner cavity 3 is formed in the back board of the seat 1, a second inner cavity 4 is formed in a seat board of the seat 1 and is communicated with the first inner cavity 3, a first elastic telescopic rod 7 with a rightward movable rod is installed on the inner wall of the left side of the first inner cavity 3, a first through hole 8 is vertically formed in the right side wall of the back board of the seat 1, a first arc-shaped board 9 with a rightward concave surface is fixedly connected after the right end of the movable rod of the first elastic telescopic rod 7 extends out of the first through hole 8 rightwards, the middle part of the left side surface of the first arc-shaped board 9 is fixedly connected with the right end of the movable rod of the first elastic telescopic rod 7, a vertical board 10 is fixedly connected with the lower side surface, a vertical lead screw 17 is connected to a bearing at the inner bottom of the second inner cavity 4 close to the left end, an internal thread connecting block 18 is connected to the outer side of the lead screw 17 in a matching manner, a vertical second chute 19 is formed in the inner wall of the left side of the second inner cavity 4, a second slider 20 is installed in the second chute 19 in a matching manner, the right end of the second slider 20 is fixedly connected with the internal thread connecting block 18, a rotating shaft 21 is fixedly connected to the top of the lead screw 17, a straight gear 22 is fixedly sleeved on the outer side of the rotating shaft 21, the left end of the straight rack 16 penetrates through the first through hole 8 leftwards and then is meshed with the straight gear 22, transverse connecting rods 23 are symmetrically and fixedly connected to the front side and the rear side of the internal thread connecting block 18, fixed blocks 24 are fixedly installed at the top of the connecting rods 23 close to the right end, movable plates 26 are arranged on the upper sides of the fixed, the third slide block 28 is fixedly connected with one side of the corresponding third slide groove 27 close to the center of the seat plate of the seat 1 through a first spring 29, the third slide block 28 is fixedly connected with the corresponding fixed block 24, the seat plate surface of the seat 1 is symmetrically provided with second through holes 25 in front and back directions corresponding to the movable plate 26, the movable plate 26 is positioned at the inner side corresponding to the second through holes 25, one side of the second through holes 25 close to the seat plate center of the seat 1 is provided with an inclined plane facing the upper side far away from the seat plate center of the seat 1, one side of the movable plate 26 facing the seat plate center of the seat 1 is an inclined plane, the inclined plane of the movable plate 26 is parallel to the inclined plane corresponding to the second through holes 25 and is in contact fit, the middle part of the concave surface of the first arc-shaped plate 9 is provided with a first arc-shaped slide groove 30, a fourth slide block 31 is fittingly installed in the first arc-, one end of second spring 32 and one side contact cooperation of first arc spout 30, the other end of second spring 32 and the corresponding side contact cooperation of fourth slider 31, the right-hand member fixedly connected with elasticity arc 33 of fourth slider 31, the equal fixedly connected with bandage 40 in the right flank at both ends around the elasticity arc 33, the hook face of fixedly connected with magic subsides on one bandage 40, the hair side of fixedly connected with magic subsides on another bandage 40. When the invention is used as a chair in ordinary times, a user can lean the waist against the concave surface of the elastic arc-shaped plate 33, the elastic arc-shaped plate 33 can support the waist of the user to prevent the deformation of the spine, meanwhile, the elastic arc-shaped plate 33 can play a resistance training effect on the waist of the user by matching with the first elastic telescopic rod 7, when the user needs to move a spine part in rest time, the user firstly binds the body in the waist area through the binding belt 40, then the body leans against the elastic arc-shaped plate 33 and the first arc-shaped plate 9 backwards, the movable rod of the first elastic telescopic rod 7 moves leftwards and is pressed back into the fixed rod, the spine part of the user is subjected to resistance, the straight rack 16 drives the straight gear 22, the rotating shaft 21 and the screw rod 17 to rotate, the connecting rod 23 is driven by the internal thread connecting block 18 to move upwards, the connecting rod 23 pushes up the movable plates 26 at the front side and the rear side through the fixed block, the first spring 29 always pushes the inclined plane of the movable plates 26 to abut against the inclined plane of the second through hole 25 during the upward movement of the movable plates 26, so that the two movable plates 26 both move to the center of the seat plate of the seat 1 while moving upward, the user controls the backward movement distance of the trunk part of the body according to the width of the pelvis, the wider the pelvis is, the smaller the backward movement distance of the trunk of the user is until one side of the two movable plates 26 facing the center of the seat plate of the seat 1 contacts with the pelvis of the user, at this time, the user can control the back-turning movement of the spine part, the user drives the fourth slider 31 to slide at a constant speed in the first arc chute 30 through the elastic arc plate 33 when doing the back-turning movement of the spine part, when the user rotates clockwise, the second spring 32 at the front side is compressed, the second spring 32 plays a role of resistance training for the user, when the user, the second spring 32 at the front side pushes the fourth slider 31 to reset, at this time, the user still keeps constant-speed motion and overcomes the thrust of the second spring 32 to exercise the muscle group at one side of the spine, the user continues to rotate anticlockwise, the second spring 32 at the rear side is compressed, the muscle at the other side of the spine of the user is exercised and strengthened, the muscles at two sides of the spine of the user are exercised fully and equally by continuous reciprocating convolution, so that the balance of the spine is ensured, the spine is not easy to deform, the trunk part is kept in a tight and straight state by the resistance of the first elastic telescopic rod 7 when the user does the spine convolution motion, the exercise posture of the user is standardized, meanwhile, the movable plate 26 is always in contact with the pelvis of the user when the pelvis and the legs of the user do not rotate together with the trunk part by self, the skin on the outer sides of the pelvis and the legs is pressed by the movable plate 26 to remind a user, meanwhile, the first spring 29 and the movable plate 26 are matched to stop the rotation of the pelvis and the legs of the user, so that the exercise posture of the user is standardized to achieve a better exercise effect, after the exercise is finished, when the user does not lean backwards any more, the movable rod of the first elastic telescopic rod 7 drives the first arc-shaped plate 9 to reset rightwards, the straight-tooth rack 16 drives the straight-tooth gear 22 to rotate, the internal thread connecting block 18 drives the movable plate 26 to move downwards through the connecting rod 23 to reset, and the first spring 29 is compressed to facilitate the next exercise; the invention has the advantages that the elastic arc-shaped plate 33 is arranged to support the spine of a user, the arc of the elastic arc-shaped plate is more fit with the human body, so that the user is more comfortable, the elastic telescopic rod 7 is matched with the elastic arc-shaped plate 33 to exercise the spine of the user, the movable plate 26 is positioned in the seat plate of the seat 1 in normal use, so that space is saved, and the user does not feel uncomfortable when sitting down, when the user needs to exercise, the user can push up the movable plate 26 only by leaning backwards, and the movable plate 26 can get close to the center of the seat plate of the seat 1 in the upward movement process, the user can adjust the movement track of the movable plate 26 according to the size of the pelvis to make the movable plate fit with the skin at the outer side, the two movable plates 26 play the role of standardizing the movement of the user when the user performs the spine circling movement, so that the exercise of the user achieves the effect of half times of work, and because the user continuously presses the movable rod, the movable rod of the first elastic telescopic rod 7 has a thrust effect on the spine of the user, helps the spine of the user to be in a tight and straight state, and has a good exercise effect under the action of the movable rod and the spine.

Specifically, as shown in the figure, in the embodiment, a first sliding groove 5 is vertically formed in the inner wall of the left side of the first inner cavity 3, a first sliding block 6 is installed in the first sliding groove 5 in a matched manner, a first elastic telescopic rod 7 with a movable rod facing right is fixedly installed at the right end of the first sliding block 6, a guide hole 11 is transversely formed in the plate surface of the vertical plate 10, a cross rod 12 penetrates through the guide hole 11, the cross rod 12 is in contact fit with the inner wall of the guide hole 11, a limiting block 13 is fixedly connected to the right end of the cross rod 12 after penetrating through the guide hole 11, a screw rod 14 is fixedly connected to the left end of the cross rod 12, a plurality of threaded holes 15 are formed in the right side wall of the back board of the seat 1 corresponding to the screw rod 14. Thereby the user can be according to the height of the first arc 9 of adjustment and elasticity arc 33 of the screw hole 15 that own height adjusting screw 14 is connected, thereby it can be more comfortable when making the user lean on elasticity arc 33, thereby the user also can adjust the different positions at the height of elasticity arc 33 according to the condition of oneself backbone simultaneously and make it support user's back, reach good vertebra correction effect, horizontal pole 12 relative guiding hole 11 lateral motion when first arc 9 drives riser 10 and moves left, and when riser 10 drives straight rack 16 to not co-altitude, thereby straight rack 16 remains throughout and guarantees the normal use of this device with straight rack gear 22 meshing cooperation.

Specifically, as shown in the figure, this embodiment the concave surface of first arc 9 around symmetrical fixed mounting have second elastic telescopic rod 35, the movable rod of second elastic telescopic rod 35 all towards the centre of a circle of first arc 9 place circle, the movable rod outer end of second elastic telescopic rod 35 all rotates and is connected with spheroid 36, elasticity arc 33 left side convex surface corresponds spheroid 36 and has all seted up cross spout 34, spheroid 36 can roll in the cross spout 34 that corresponds. When a user needs to do the rotary motion of the spine part, the ball body 36 can easily roll in the transverse groove body of the cross-shaped sliding groove 34, when the body of the user inclines to a large extent, the ball body 36 is difficult to roll transversely in the cross-shaped sliding groove 34 due to the obstruction of the side wall of the cross-shaped sliding groove 34, so that the user can do the rotary spine exercise only after sitting upright, and the exercise posture of the user is standardized to achieve a better exercise effect; when a user needs to do lateral flexion movement of the spine, the body of the user bends laterally to press the elastic arc-shaped plate 33, the ball body 36 moves upwards relative to the elastic arc-shaped plate 33, meanwhile, the second elastic telescopic rod 35 is compressed, a resistance training effect is achieved on the lateral flexion exercise of the user, the cross-shaped sliding groove 34 has a standard effect on the lateral flexion movement of the user, and the ball body 36 is difficult to move in the cross-shaped sliding groove 34 when the user does not swing the body.

Further, as shown in the drawings, the concave surface of the arc-shaped elastic plate 33, the top surface of the seat plate of the seat 1, and the top surface of the movable plate 26 are all fixedly connected with a sponge pad 37. The foam pad 37 makes it comfortable for the user to sit on the seat plate or lean against the curved elastic plate 33.

Furthermore, as shown in the figure, the left side wall of the first inner cavity 3 of the present embodiment is provided with a groove 38 corresponding to the straight rack 16. The recess 38 allows the spur rack 16 to move to the left without colliding with the back plate of the seat 1.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A support device for lordosis, comprising: comprises a seat (1), armrests (2) are symmetrically and fixedly installed on the front and back of the right side wall of a back board of the seat (1), a first inner cavity (3) is formed in the back board of the seat (1), a second inner cavity (4) is formed in the seat board of the seat (1) and is communicated with the first inner cavity (3), a first elastic telescopic rod (7) with a rightward moving rod is installed on the inner wall of the left side of the first inner cavity (3), a first through hole (8) is vertically formed in the right side wall of the back board of the seat (1), a first arc-shaped board (9) with a rightward concave surface is fixedly connected after the right end of the moving rod of the first elastic telescopic rod (7) extends out of the first through hole (8) rightwards, the middle part of the left side surface of the first arc-shaped board (9) is fixedly connected with the right end of the moving rod of the first elastic telescopic rod (7), a vertical plate (10) is fixedly connected with the lower side surface of the first arc-, the bearing close to the left end of the inner bottom of the second inner cavity (4) is connected with a vertical lead screw (17), the outer side of the lead screw (17) is connected with an internal thread connecting block (18) in a matched manner, the inner wall of the left side of the second inner cavity (4) is provided with a vertical second sliding chute (19), a second sliding block (20) is installed in the second sliding chute (19) in a matched manner, the right end of the second sliding block (20) is fixedly connected with the internal thread connecting block (18), the top of the lead screw (17) is fixedly connected with a rotating shaft (21), a straight gear (22) is fixedly sleeved on the outer side of the rotating shaft (21), the left end of a straight rack (16) penetrates through a first through hole (8) leftwards and then is meshed with a straight gear (22) in a matched manner, the front side and the rear side of the internal thread connecting block (18) are fixedly connected with transverse connecting rods (23) symmetrically, a fixing, third sliding grooves (27) are respectively formed in the bottoms of the movable plates (26) along the front-rear direction, third sliding blocks (28) are respectively installed in the third sliding grooves (27) in a matched mode, the third sliding blocks (28) are fixedly connected with one sides, close to the seat plate center, of the corresponding third sliding grooves (27) through first springs (29), the third sliding blocks (28) are fixedly connected with corresponding fixed blocks (24), second through holes (25) are symmetrically formed in the front-rear direction of the seat plate surface of the seat (1) corresponding to the movable plates (26), the movable plates (26) are located on the inner sides corresponding to the second through holes (25), inclined planes are respectively formed in one sides, close to the seat plate center, of the second through holes (25) and face towards the upper side far away from the seat plate center of the seat (1), the side, facing towards the seat plate center of the seat (1), of the movable plates (26) is an inclined plane, the inclined planes of the movable plates (26) are parallel to the inclined planes corresponding to the second, first arc spout (30) have been seted up at the concave surface middle part of first arc (9), fourth slider (31) is installed in first arc spout (30) interior cooperation, all be provided with second spring (32) in first arc spout (30) of both sides around fourth slider (31), one end of second spring (32) and one side contact cooperation of first arc spout (30), the other end of second spring (32) and the corresponding side contact cooperation of fourth slider (31), the right-hand member fixedly connected with elasticity arc (33) of fourth slider (31), equal fixedly connected with bandage (40) in the right flank at both ends around elasticity arc (33), the hook face of fixedly connected with magic subsides on bandage (40), the hair face of fixedly connected with magic subsides on another bandage (40).

2. A support device for lordosis as in claim 1, wherein: the vertical first spout (5) of having seted up of left side inner wall of first inner chamber (3), first spout (5) fit in installation first slider (6), the right-hand member fixed mounting of first slider (6) has first elasticity telescopic link (7) that the movable rod is right, guiding hole (11) have transversely been seted up on the face of riser (10), horizontal pole (12) have been passed in guiding hole (11), the inner wall contact cooperation of horizontal pole (12) and guiding hole (11), the right-hand member of horizontal pole (12) passes guiding hole (11) back fixedly connected with stopper (13), the left end fixedly connected with screw rod (14) of horizontal pole (12), the back board right side wall of seat (1) corresponds screw rod (14) vertical equidistance and has seted up several screw hole (15), screw hole (15) stagger with first through-hole (8), screw rod (14) are connected with one of them screw hole (15) cooperation.

3. A support device for lordosis according to claim 1 or 2, wherein: symmetrical fixed mounting has second elastic telescopic rod (35) around the concave surface of first arc (9), the movable rod of second elastic telescopic rod (35) all moves towards the centre of a circle of first arc (9) place circle, the movable rod outer end of second elastic telescopic rod (35) all rotates and is connected with spheroid (36), cross spout (34) have all been seted up to elasticity arc (33) left side convex surface correspondence spheroid (36), spheroid (36) can roll in cross spout (34) that correspond.

4. A support device for lordosis as in claim 1, wherein: the concave surface of the arc-shaped elastic plate (33), the top surface of the seat plate of the seat (1) and the top surface of the movable plate (26) are fixedly connected with sponge cushions (37).

5. A support device for lordosis as in claim 1, wherein: a groove (38) is formed in the left side wall of the first inner cavity (3) corresponding to the straight rack (16).