Summary of the invention
For deficiencies of the prior art, the present invention proposes a kind of leg physical therapy traction apparatus, including base, support
Device, the first fixed frame device, the second fixed frame device, driving means, the first positioner and the second positioner, the
One fixed frame device include the first support bar, the first rotating part, the first connecting shaft, the first fixed block, the first sponge block,
One fixed frame, the first foam-rubber cushion and a positioning rod, driving means include the first drive rod, first lean bar, the first spring,
First roller, the first curved block, elliptic wheel, the second drive rod, second lean bar, the second spring, the second roller and second
Curved block.Present configuration is simple, takies volume little, and can be self-service the traction activity completing leg.
The present invention solves its technical problem, be the technical scheme is that a kind of leg physical therapy traction apparatus, described leg physical therapy
Traction apparatus includes base, is positioned at the holder device above described base, is positioned at the first fixed frame of described holder device side
Device, it is positioned at the second fixed frame device on the right side of described first fixed frame device, is positioned at described first fixed frame device with described
Driving means between second fixed frame device, it is positioned at the first positioner above described base and the second positioner, institute
State holder device include being positioned at left side the first support, be positioned at second support on right side and be arranged on described second support convex
Block, described first fixed frame device includes the first support bar, is positioned at the first rotating part above described first support bar, is positioned at
The first connecting shaft below described first rotating part, it is positioned at the first fixed block below described first connecting shaft, is positioned at described
The first sponge block, the first fixed frame being positioned at around described first fixed block below one fixed block, it is positioned at described first and fixes
The first foam-rubber cushion within frame and be positioned at a positioning rod below described first fixed frame, described second fixed frame device includes
Second support bar, it is positioned at the second rotating part above described second support bar, is positioned at second below described second rotating part even
Spindle, be positioned at the second fixed block below described second connecting shaft, be positioned at the second sponge block below described second fixed block,
It is positioned at the second fixed frame around described second fixed block, is positioned at the second foam-rubber cushion within described second fixed frame and is positioned at institute
Stating the second location bar below the second fixed frame, described driving means includes the first drive rod, is positioned at a described first drive rod left side
The first of side leans bar, is positioned at and described first leans the first spring on the right side of bar, be positioned at described first and lean first on the left of bar
Roller, it is positioned at the first curved block below described first drive rod, is positioned at the elliptic wheel on the right side of described first curved block, is positioned at
The second drive rod below described elliptic wheel, it is positioned at second on the right side of described second drive rod and leans bar, be positioned at described second top
The second spring on the left of rod, it is positioned at described second and leans the second roller on the right side of bar and be positioned at above described second drive rod
Second curved block, described first positioner includes being positioned at a left side first positioner in left side and is positioned at the right side first on right side and positions
Device, described left first positioner includes the first horizon bar, is positioned at first on the right side of described first horizon bar vertical bar, position
The first location division between the vertical bar of described first horizon bar and described first, it is positioned at the 3rd above described first location division
Roller and be positioned at the 3rd spring below described first location division, described second positioner includes that the left side second being positioned at left side is fixed
Position device and be positioned at the right side second positioner on right side, described left second positioner includes the 3rd vertical bar, is positioned at described the
The 3rd horizon bar, the 3rd location division on the left of three vertical bars, it is positioned at the 5th spring on the right side of described 3rd location division and is positioned at institute
Stating the 5th roller on the left of the 3rd location division, the right surface of described first curved block is bending, described first curved block upper
Surface is fixing with the lower surface of described first drive rod to be connected.
Described first fixed block is cuboid, and the lower surface of described first connecting shaft is fixing with the upper surface of described first fixed block to be connected
Connecing, the surface, left and right of described first fixed block is provided with the first locating piece, and described first locating piece is cuboid, and described first
Locating piece is fixing with the side of described first fixed block to be connected.
Described first fixed frame is cuboid, and the upper surface concave downward of described first fixed frame forms the first host cavity, and described
The first rectangular channel it is provided with in one fixed frame.
Described first foam-rubber cushion is cuboid, and described first foam-rubber cushion is contained in described first host cavity and fixes with described first
Frame is fixing to be connected, and the upper surface concave downward of described first foam-rubber cushion forms the first curved slot, and described first curved slot is semicircle
Shape.
The upper surface concave downward of described second fixed frame forms the second host cavity, is provided with the second rectangle in described second fixed frame
Groove.
Described second fixed block is cuboid, and the surface, left and right of described second fixed block is provided with the second locating piece, and described second is fixed
Position block is cuboid, and described second locating piece is fixing with the side of described second fixed block to be connected.
Described first drive rod is cuboid, and the right surface of described first drive rod is fixing with the left surface of described second fixed frame to be connected
Connecing, caves in the right and forms the first driving chamber in the left surface of described first drive rod.
Described first to lean bar be cuboid, and described first right-hand member leaning bar is contained in described first and drives in chamber and can be in institute
Stating in the first driving chamber and move left and right, described first left end leaning bar is provided with the first driver slot.
The left end of described first spring leans with described first that the right surface of bar is fixing to be connected, and the right-hand member of described first spring is with described
The first fixing connection in right surface driving chamber.
Described first roller is cylinder, and described first roller is contained in described first driver slot and leans bar axle with described first
Turning and connect, described first roller acts against on the right surface of described first fixed frame.
Compared with prior art, the invention has the beneficial effects as follows: the leg physical therapy traction apparatus simple in construction that the present invention proposes, account for
Little with space, and without medical personnel or the assistance of other staff, get final product the self-service traction activity completing leg, with
Time due to small volume, be not take up space, facilitate medical personnel to carry out treatment and instruct, and due to the setting of fixed frame, make
Being fixed up of can more consolidating of leg so that will not be injured in distraction procedure, play preferable protective effect.
Specific embodiments
Below in conjunction with Figure of description and embodiment, the specific embodiment of the present invention is described in further detail:
As it is shown in figure 1, leg physical therapy traction apparatus of the present invention include base 1, be positioned at the holder device 2 above described base 1,
Be positioned at described holder device 2 side the first fixed frame device 3, be positioned at second on the right side of described first fixed frame device 3 fix
Frame apparatus 4, driving means 5 between described first fixed frame device 3 and described second fixed frame device 4, it is positioned at institute
State the first positioner 6 and the second positioner 7 above base 1.
As it is shown in figure 1, described base 1 is in cuboid, described base 1 horizontal positioned.Described holder device 2 includes being positioned at
Left side the first support 21, be positioned at right side the second support 22 and be arranged at the projection 23 on described second support 22.Described
First support 21 is in cuboid, and described first support 21 is vertically placed, the lower surface of described first support 21 and described base
The upper surface of 1 is fixing to be connected.Described second support 22 is in cuboid, and described second support 22 is vertically placed, described second
The lower surface of frame 22 is fixing with the upper surface of described base 1 to be connected.Described projection 23 in cuboid, described projection 23 level
Placing, the right surface of described projection 23 is fixing with the left surface of described second support 22 to be connected, the upper surface of described projection 23
It is in same level with the upper surface of described second support 22.
As it is shown in figure 1, described first fixed frame device 3 includes the first support bar 31, is positioned at above described first support bar 31
The first rotating part 32, be positioned at the first connecting shaft 33 below described first rotating part 32, be positioned at described first connecting shaft 33
Lower section the first fixed block 34, be positioned at the first sponge block 35 below described first fixed block 34, be positioned at described first fix
The first fixed frame 36 around block 34, it is positioned at the first foam-rubber cushion 37 within described first fixed frame 36 and is positioned at described first
A positioning rod 38 below fixed frame 36.The concave character type that described first support bar 31 is put in side, described first support bar 31
The left surface of one end and described first fixed frame 36 fixing be connected, the other end of described first support bar 31 is horizontal.
Described first rotating part 32 in cylinder, described first rotating part 32 horizontal positioned.Described first connecting shaft 33 in cylinder,
Described first connecting shaft 33 is vertically placed, the upper surface of described first connecting shaft 33 and the lower surface of described first rotating part 32
Fixing connection, the lower end of described first connecting shaft 33 extends to described first through the upper and lower surface of described first support bar 31
The lower section of support bar 31, described first connecting shaft 33 is threadeded with described first support bar 41 so that rotate described first
During rotating part 32, described first connecting shaft 33 can move up and down.Described first fixed block 34 in cuboid, described first
The lower surface of connecting shaft 33 is fixing with the upper surface of described first fixed block 34 to be connected, described first fixed block 34 horizontal positioned,
The surface, left and right of described first fixed block 34 is provided with the first locating piece 341, described first locating piece 341 in cuboid, institute
State that the side of the first locating piece 341 and described first fixed block 34 is fixing to be connected.Described first sponge block 35 in cuboid,
The upper surface of described first sponge block 35 is fixing with the lower surface of described first fixed block 34 to be connected.Described first fixed frame 36
In cuboid, the upper surface concave downward of described first fixed frame 36 forms the first host cavity, and described first host cavity is rectangular
Body shape.In described first fixed frame 36 and be positioned at the left and right sides of described first host cavity and be provided with the first rectangular channel 361, described
First rectangular channel 361 is in rectangular-shaped, and described first locating piece 341 is contained in described first rectangular channel 361, and permissible
Described first rectangular channel 361 moves up and down, the left surface of described first fixed frame 36 and the right side of described first support 21
Surface contact and the right surface along described first support 21 move up and down.Described first foam-rubber cushion 37 is in cuboid, described
First foam-rubber cushion 37 is contained in described first host cavity and fixes with the bottom surface of described first host cavity and is connected, described first sea
The side of continuous pad 37 is fixing with the inner surface of described first fixed frame 36 to be connected, and the upper surface of described first foam-rubber cushion 37 is downward
Depression forms the first curved slot, described first curved slot semicircular in shape, and leg is placed in the first curved slot by patient, increases
The comfort of patient.Described a positioning rod 38 is in cuboid, and described a positioning rod 38 is vertically placed, and described first
The upper surface of location bar 38 is fixing with the lower surface of described first fixed frame 36 to be connected, the right surface of described a positioning rod 38
It is in same perpendicular with the right surface of described first fixed frame 36.
As it is shown in figure 1, described second fixed frame device 4 includes the second support bar 41, is positioned at above described second support bar 41
The second rotating part 42, be positioned at the second connecting shaft 43 below described second rotating part 42, be positioned at described second connecting shaft 43
Lower section the second fixed block 44, be positioned at the second sponge block 45 below described second fixed block 44, be positioned at described second fix
The second fixed frame 46 around block 44, it is positioned at the second foam-rubber cushion 47 within described second fixed frame 46 and is positioned at described second
The second location bar 48 below fixed frame 46.Described second fixed frame 46 in cuboid, the right table of described second fixed frame 46
Face is slidably connected with the left surface of described second support 22 so that described second fixed frame 46 can be along described second support
The left surface of 22 moves up and down.The upper surface concave downward of described second fixed frame 46 forms the second host cavity, and described second receives
Cavity volume is rectangular-shaped, on the inner surface of described second fixed frame 46 and be positioned at the left and right sides of described second host cavity and set respectively
Having one second rectangular channel 461, described second rectangular channel 461 is in rectangular-shaped.Described second support bar 41 is L-shaped, described
Second support bar 41 is positioned at the top of described second fixed frame 46.Described second rotating part 42 is in cylinder, and described second revolves
Transfer part 42 horizontal positioned, described second rotating part 42 is positioned at the top of described second support bar 41.Described second connecting shaft 43
In cylinder, the lower surface of the upper surface of described second connecting shaft 43 and described second rotating part 42 is fixing to be connected, and described the
The lower end of two connecting shafts 43 passes the upper and lower surface of described second support bar 41 and threadeds with described second support bar 41,
When making to rotate described second rotating part 42, described second connecting shaft 43 can move up and down, described second connecting shaft 43
Lower surface is fixing with the upper surface of described second fixed block 44 to be connected.Described second fixed block 44 in cuboid, described second
Fixed block 44 horizontal positioned, the surface, left and right of described second fixed block 44 is provided with the second locating piece 441, described second location
Block 441 in cuboid, described second locating piece 441 horizontal positioned, described second locating piece 441 and described second fixed block
The side of 44 is fixing to be connected, and described second locating piece 441 is contained in described second rectangular channel 461 and can be described second
Rectangular channel 461 moves up and down.Described second sponge block 45 in cuboid, described second sponge block 45 horizontal positioned, institute
The lower surface of the upper surface and described second fixed block 44 of stating the second sponge block 45 is fixed and is connected.Described second foam-rubber cushion 47 in
Cuboid, described second foam-rubber cushion 47 is contained in described second host cavity and solid with the inner surface of described second fixed frame 46
Fixed connecting, the upper surface concave downward of described second foam-rubber cushion 47 forms the second bending section, described second bending section semicircular in shape,
Leg can be placed on described second bending section by patient, adds the comfort of patient.Described second location bar 48 is in length
Cube, described second positions bar 48 vertically places, the upper surface of described second location bar 48 and described second fixed frame 46
Lower surface is fixing to be connected, and the left surface of described second location bar 48 is in same perpendicular with the left surface of described second fixed frame 46
In straight plane.
As it is shown in figure 1, described driving means 5 includes the first drive rod 51, is positioned at first on the left of described first drive rod 51
Lean bar 52, be positioned at and described first lean the first spring 53 on the right side of bar 52, be positioned at described first and lean on the left of bar 52
One roller 54, it is positioned at the first curved block 55 below described first drive rod 51, is positioned on the right side of described first curved block 55
Elliptic wheel 56, it is positioned at the second drive rod 57 below described elliptic wheel 56, is positioned at second on the right side of described second drive rod 57
Lean bar 58, be positioned at and described second lean the second spring 59 on the left of bar 58, be positioned at described second and lean on the right side of bar 58
Second wheel and be positioned at the second curved block 50 above described second drive rod 57.Described first drive rod 51 in cuboid, institute
Stating the first drive rod 51 horizontal positioned, the right surface of described first drive rod 51 is solid with the left surface of described second fixed frame 46
Fixed connection, one end of described second support bar 41 is fixing with the upper surface of described first drive rod 51 to be connected, and described first drives
Caving in the right and form the first driving chamber 511 in the left surface of lever 51, described first drives chamber 511 in cuboid.Described first
Leaning bar 52 in cuboid, described first leans bar 52 horizontal positioned, and described first right-hand member leaning bar 52 is contained in described
First drives in chamber 511 and can move left and right in described first driving chamber 511, and described first left end leaning bar 52 sets
Having the first driver slot 521, described first driver slot 521 is in rectangular-shaped.Described first spring 53 is contained in described first and drives
In dynamic chamber 511, the left end of described first spring 53 leans the right surface of bar 52 and fixes and be connected with described first, and described first
The right-hand member of spring 53 is fixing with the right surface in described first driving chamber 511 to be connected.Described first roller 54 in cylinder, institute
State the first roller 54 to be contained in described first driver slot 521 and lean with described first bar 52 axle and turn and be connected so that described
First roller 54 can rotate in described first driver slot 521, and described first roller 54 acts against described first fixed frame
On the right surface of 36.The upper surface of described first curved block 55 is horizontal, and the left surface of described first curved block 55 is in perpendicular
Straight shape, the right surface of described first curved block 55 is bending, and the upper surface of described first curved block 55 drives with described first
The lower surface of lever 51 is fixing to be connected, the right surface semicircular in shape of described second curved block 55, described first curved block 55
Left surface is in same perpendicular with the left surface of described first drive rod 51.Described elliptic wheel 56 ovalize, institute
Stating and be provided with a central shaft 561 in the middle of elliptic wheel 56, described elliptic wheel 56 rotates around described central shaft 561.Described second drives
Lever 57 in cuboid, described second drive rod 57 horizontal positioned, the left surface and described first of described second drive rod 57
The right surface of fixed frame 36 is fixing to be connected, and caves in the left and form the second driving chamber 571 in the right surface of described second drive rod 57,
Described second drives chamber 571 in rectangular-shaped.Described second leans bar 58 in cuboid, and described second leans bar 58 level
Placing, described second left end leaning bar 58 is contained in described second and drives in chamber 571 and can drive chamber 571 described second
In move left and right, described second right-hand member leaning bar 58 is provided with the second driver slot 581, and described second driver slot 581 is in rectangular
Body shape.Described second spring 59 is contained in described second and drives in chamber 571, the left end of described second spring 59 and described the
The two fixing connections in left surface driving chamber 571, the right-hand member of described second spring 59 and the described second left surface leaning bar 58
Fixing connection.Described second roller is cylinder, and described second roller is contained in described second driver slot 581 and with described
Second leans bar 58 axle turns connection so that described second roller can rotate in described second driver slot 581.Described second
Horizontal and with described second drive rod 57 the upper surface of the lower surface of curved block 50 is fixing to be connected, described second curved block
The right surface of 50 is vertical shape, and the right surface of described second curved block 50 is vertical shape and the right side with described second drive rod 57
Surface is in same perpendicular.The left surface of described second curved block 50 is bending, described second curved block 50
Left surface semicircular in shape.
As it is shown in figure 1, described first positioner 6 includes a left side the first positioner 61 being positioned at left side and is positioned at the right side on right side
First positioner 62.Described left first positioner 61 includes the first horizon bar 611, is positioned at described first horizon bar 611
The first vertical bar 612 on right side, the first location division between the vertical bar 612 of described first horizon bar 611 and described first
613, it is positioned at the 3rd roller 614 above described first location division 613 and is positioned at the 3rd below described first location division 613
Spring 615.Described first horizon bar 611 in cuboid, described first horizon bar 611 horizontal positioned, described first horizon bar
The left surface of 611 is fixing with the right surface of described first support 21 to be connected.Described first vertical bar 612 is in cuboid, described
First vertical bar 612 is vertically placed, and the lower surface of the described first vertical bar 612 is fixing with the upper surface of described base 1 to be connected.
Described first location division 613 is in cuboid, and described first location division 613 is vertically placed, a left side for described first location division 613
Surface is slidably connected with the right surface of described first horizon bar 611, the right surface and described first of described first location division 613
Vertically the left surface of bar 612 is slidably connected so that described first location division 613 is erected at described first horizon bar 611 and first
Can only move up and down between straight portion 612, the upper end of described first location division 613 is provided with the first groove 6131, described first recessed
Groove 6131 is in rectangular-shaped, and described 3rd roller 614 is in cylinder, and described 3rd roller 614 is contained in described first groove
Turn in 6131 and with described first location division 613 axle and be connected so that described 3rd roller 614 can be at described first groove 6131
Middle rotation, described 3rd roller 614 acts against on the lower surface of described first fixed frame 36.Described 3rd spring 615 upper
Holding the lower surface with described first location division 613 to fix to be connected, the lower end of described 3rd spring 615 is upper with described base 1
Surface is fixing to be connected.Described right first positioner 62 includes the second horizon bar 621, is positioned at described second horizon bar 621 left side
The second of side vertically bar 622, the second location division between the vertical bar 622 of described second horizon bar 621 and described second
623, it is positioned at the 4th roller 624 on described second location division 623 and is positioned at the 4th bullet below described second location division 623
Spring 625.Described second horizon bar 621 in cuboid, the right surface of described second horizon bar 621 and described second support 22
Left surface fixing connect.Described second vertical bar 622 is in cuboid, and the described second vertical bar 622 is vertically placed, described
The lower surface of the second vertical bar 622 is fixing with the upper surface of described base 1 to be connected.Described second location division 623 in cuboid,
The right surface of described second location division 623 is slidably connected with the left surface of described second horizon bar 621, described second location division
The left surface of 623 is slidably connected with the right surface of described second vertical portion 622 so that described second location division 623 is described
Can only move up and down between two horizon bars 621 and the second vertical portion 622, the upper end of described second location division 623 is provided with second
Groove 6231, described second groove 6231 in rectangular-shaped, described 4th roller 624 in cylinder, described 4th roller
624 are contained in described second groove 6231 and turn with described second location division 623 axle and are connected so that described 4th roller 624
Can rotate in described second groove 6231.The upper end of described 4th spring 625 and the following table of described second location division 623
Face is fixing to be connected, and the lower end of described 4th spring 625 is fixing with the upper surface of described base 1 to be connected.Described 4th roller 624
Act against on the lower surface of described second fixed frame 46.
As it is shown in figure 1, described second positioner 7 includes a left side the second positioner 71 being positioned at left side and is positioned at the right side on right side
Second positioner 72.Described left second positioner 71 includes the 3rd vertical bar 711, is positioned at the described 3rd vertical bar 711
3rd horizon bar 712 in left side, the 3rd location division 713 between described 3rd horizon bar 712, to be positioned at the described 3rd fixed
The 5th spring 714 on the right side of position portion 713 and be positioned at the 5th roller 715 on the left of described 3rd location division 713.Described 3rd erects
Straight-bar 711 is in cuboid, and the described 3rd vertical bar 711 is vertically placed, and the lower surface of the described 3rd vertical bar 711 is with described
The upper surface of base 1 is fixing to be connected.Described 3rd horizon bar 712 in cuboid, described 3rd horizon bar 712 horizontal positioned,
The right surface of described 3rd horizon bar 712 is fixing with the left surface of the described 3rd vertical bar 711 to be connected, described 3rd horizon bar
712 are provided with two and lay respectively at upper and lower both sides.Described 3rd location division 713 in cuboid, 713, described 3rd location division
It is slidably connected between described 3rd horizon bar 712 and with described 3rd horizon bar 712, a left side for described 3rd location division 713
End is provided with the 3rd groove 7131, and described 3rd groove 7131 is in rectangular-shaped.Described 5th spring 714 is positioned at described 3rd water
Between flat bar 712, the left end of described 5th spring 714 is fixing with the right surface of described 3rd location division 713 to be connected, described
The right-hand member of the 5th spring 714 is fixing with the left surface of the described 3rd vertical bar 711 to be connected.Described 5th roller 715 is in cylinder
Body, described 5th roller 715 is contained in described 3rd groove 7131 and turns with described 3rd location division 713 axle and be connected, makes
Obtain described 5th roller 715 to rotate in described 3rd groove 7131.Described 5th roller 715 acts against described first
On the right surface of location bar 38.Described right second positioner 72 includes the 4th vertical bar 721, is positioned at the described 4th vertical bar
The 4th horizon bar 722 on the right side of in the of 721, the 4th location division 724 between described 4th horizon bar 722, it is positioned at described
The 6th spring 723 on the left of four location divisions 724 and be positioned at the 6th roller 725 on the right side of described 4th location division 724.Described
Four vertical bars 721 are in cuboid, and the described 4th vertical bar 721 is vertically placed, the lower surface of the described 4th vertical bar 721 with
The upper surface of described base 1 is fixing to be connected.Described 4th horizon bar 722 is provided with two and lays respectively at upper and lower both sides, described
4th horizon bar 722 in cuboid, described 4th horizon bar 722 horizontal positioned, the left surface of described 4th horizon bar 722
Fix with the right surface of the described 4th vertical bar 721 and be connected.Described 4th location division 724 is in cuboid, and the described 4th positions
Portion 724 horizontal positioned, described 4th location division 724 between described 4th horizon bar 722 and with described 4th horizon bar
722 are slidably connected.The right surface of the left end of described 6th spring 723 and the described 4th vertical bar 721 is fixing to be connected, and described the
The right-hand member of six springs 723 is fixing with the left surface of described 4th location division 724 to be connected.The right-hand member of described 4th location division 724
Being provided with the 4th groove 7241, described 4th groove 7241 is in rectangular-shaped.Described 6th roller 725 in cylinder, described
Six rollers 725 are contained in described 4th groove 7241 and turn with described 4th location division 724 axle and are connected so that the described 6th
Roller 725 can rotate in described 4th groove 7241.Described 6th roller 725 acts against described second location bar 48
Left surface on.
During as it is shown in figure 1, described leg physical therapy traction apparatus of the present invention uses, first rotate the first rotating part 32 and the second rotation
Transfer part 42 so that move on the first fixed block 34 and the second fixed block 44, then leg is placed on the first foam-rubber cushion 37 and second
On foam-rubber cushion 47, then reversely rotate the first rotating part 32 and the second rotating part 42 so that the first fixed block 34 and second is solid
Determine block 44 to move down so that the first sponge block 35 and the second sponge block 45 act against the leg of patient, then drive ellipse
Wheel 56 rotation, due to the first curved block 55 and setting of the second curved block 50 so that when elliptic wheel 56 rotates, drives the
While one drive rod 51 and the second drive rod 57 are moved upwardly or downwardly, also can to the left and move right so that described
One fixed frame 36 can move down and move right, and described second fixed frame 46 upwards and is moved to the left, thus is conducive to
The recovery of patient legs.Described first positioner 6 and the setting of the second positioner 7 so that the first fixed frame 36 and
The position of two fixed frames 46 is fixed, and can return to initial position.So far, leg physical therapy traction apparatus of the present invention used
Journey is described.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any ripe
Know those skilled in the art in the technical scope that the invention discloses, change can be readily occurred in or replace, all should contain at this
Within the protection domain of invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.