CN204723288U - A kind of front stair climbing wheel chair - Google Patents
A kind of front stair climbing wheel chair Download PDFInfo
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- CN204723288U CN204723288U CN201520309995.XU CN201520309995U CN204723288U CN 204723288 U CN204723288 U CN 204723288U CN 201520309995 U CN201520309995 U CN 201520309995U CN 204723288 U CN204723288 U CN 204723288U
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- state transferring
- wheel
- turbine
- wheel state
- trailing wheel
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Abstract
The utility model discloses a kind of front stair climbing wheel chair, comprise seat, dynamical system, motoring condition shifter, Combination leather belt wheel and vehicle frame; Motoring condition shifter, primarily of turbine and worm transmission, controls the steady expansion of front belt pulley and rear belt pulley stair activity and packs up.Vehicle frame forms primarily of two triangle parts and base plate and belt pulley clamping plate securing member forms, and is characterized in Combination leather belt wheel is housed respectively on the both sides of vehicle frame; On the connecting axle of chair mounted on the tripod of both sides, and there is independently degree of freedom, seat bottom is provided with battery case, it is mainly to seat counterweight with to power motor distribution, seat is remained, and vertical axis overlaps with centrifugal force line, at staircase, it can remain that the gravity of human body is vertical and steady along with this utility model up and down, and the front of people is consistent with the direction of advance of wheelchair all the time, no matter seat is sat people or do not sat people, the still descending that goes up a slope remains vertical plateau.
Description
Technical field
This utility model belongs to field of medical auxiliary equipment, is specifically related to a kind of front stair climbing wheel chair.
Background technology
At present, what is called can the wheelchair of cat ladder all need the help of stranger just can carry out the cat ladder of simple coarse.Its shortcoming main manifestations is: 1 reverse cat ladder, direct of travel and direction of visual lines inconsistent, speed is slowly hard, and 2, owing to adding the roomy car body of wheelchair slowly, can not pass through as early as possible in limited ladder access space, have influence on others upper and lower.3 need to rely on stranger, can not carry out independent manipulation wheelchair.4 can not cross bank across ditch out of doors.5 power driven systems just can not be exercised once break down.Existence due to these shortcomings causes existing stair climbing wheel chair very impracticable.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of can the front wheelchair of steadily climbing fast.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of front stair climbing wheel chair, comprises seat, dynamical system, motoring condition shifter, Combination leather belt wheel and vehicle frame;
Described vehicle frame comprises base plate, be arranged on the belt pulley clamping plate of the left and right sides of base plate and be arranged on the vehicle frame triangle part on described belt pulley clamping plate top, described vehicle frame triangle part top is provided with chair mounted hole, be provided with on described belt pulley clamping plate before belt pulley installing hole and rear belt pulley installing hole;
The handrail upper surface, left and right of described seat is provided with automatically controlled rocking handle, bottom is provided with connecting rod, and described connecting rod inserts in described chair mounted hole and is flexibly connected with described vehicle frame;
Described Combination leather belt wheel comprises front belt pulley, rear belt pulley and counter pulley, described front belt pulley and rear belt pulley are inserted in described front belt pulley installing hole and rear belt pulley installing hole by connecting axle and are flexibly connected with described vehicle frame, described counter pulley is arranged between described front belt pulley and rear belt pulley, is provided with to be provided with described vehicle frame junction with the sprocket wheel of its synchronous axial system, in the rear belt pulley to be connected by driving chain with between the sprocket wheel of its synchronous axial system, two sprocket wheels at the rear portion of described counter pulley;
Described dynamical system comprises power motor, the worm screw be connected with the outfan of described power motor, be fixedly connected with described base plate and support the worm shaft bearing of fixing the described worm screw other end, the turbine be meshed with described worm screw, support fixing described turbine and the turbine wheel shaft bearing be fixedly connected with described base plate, connect the turbine wheel shaft of described turbine and described turbine wheel shaft bearing, act on the drivewheel on the belt of described counter pulley, the drive sprocket axle of gearing has been connected with described turbine wheel shaft and described drivewheel, the contact roller of the another side of installation corresponding with described drivewheel and described belt, support the clamping frame of fixing described contact roller,
Described motoring condition shifter comprises front-wheel status switching mechanism and trailing wheel status switching mechanism;
Described front-wheel status switching mechanism comprises front-wheel State Transferring motor, the front-wheel State Transferring worm screw be connected with the outfan of described front-wheel State Transferring motor, be fixedly connected with described base plate and support the front-wheel State Transferring worm shaft bearing of fixing the described front-wheel State Transferring worm screw other end, before being meshed with described front-wheel state worm screw, colyliform is changed state turbine support and is fixed described front-wheel State Transferring turbine and the front-wheel State Transferring turbine wheel shaft bearing be fixedly connected with described base plate, connect the front-wheel State Transferring turbine wheel shaft of described front colyliform conversion turbine and described front-wheel State Transferring turbine wheel shaft bearing, be arranged on the front-wheel State Transferring pusher at described front-wheel State Transferring turbine wheel shaft two ends, the front-wheel matched with described front-wheel State Transferring pusher pushes tooth bar, connect the front-wheel connecting axle of described front belt pulley and front-wheel propelling movement tooth bar,
Described trailing wheel status switching mechanism comprises trailing wheel State Transferring motor, the trailing wheel State Transferring worm screw be connected with the outfan of described trailing wheel State Transferring motor, be fixedly connected with described base plate and support the trailing wheel State Transferring worm shaft bearing of fixing the described trailing wheel State Transferring worm screw other end, the rear colyliform be meshed with described trailing wheel State Transferring worm screw changes state turbine, support fixing described trailing wheel State Transferring turbine and the trailing wheel State Transferring turbine wheel shaft bearing be fixedly connected with described base plate, connect the trailing wheel State Transferring turbine wheel shaft of described rear colyliform conversion turbine and described trailing wheel State Transferring turbine wheel shaft bearing, be arranged on the trailing wheel State Transferring pusher on described trailing wheel State Transferring turbine wheel shaft, the trailing wheel matched with described trailing wheel State Transferring pusher pushes tooth bar, after connecting two, left and right, belt pulley and trailing wheel push the trailing wheel integral stem of tooth bar.
Further, described dynamical system comprises power motor, the worm screw be connected with the outfan of described power motor, be fixedly connected with described base plate and support the worm shaft bearing of fixing the described worm screw other end, the turbine be meshed with described worm screw, support fixing described turbine and the turbine wheel shaft bearing be fixedly connected with described base plate, connect the turbine wheel shaft of described turbine and described turbine wheel shaft bearing, be arranged on the drive sprocket of described turbine wheel shaft one end, the driven sprocket matched with described drive sprocket, connect the chain of described drive sprocket and driven sprocket, act on the drivewheel on the belt of described counter pulley, the drive sprocket axle of gearing has been connected with described driven sprocket and described drivewheel, the contact roller of the another side of installation corresponding with described drivewheel and described belt, support the clamping frame of fixing described contact roller.
Further, described front-wheel status switching mechanism comprises front-wheel State Transferring motor, the front-wheel State Transferring drive sprocket be connected with the outfan of described front-wheel State Transferring motor, the front-wheel State Transferring driven sprocket matched with described front-wheel State Transferring drive sprocket, connect and with the front-wheel State Transferring chain of described front-wheel State Transferring drive sprocket and front-wheel State Transferring driven sprocket, the front-wheel State Transferring worm screw coaxially arranged with described front-wheel State Transferring driven sprocket, be fixedly connected with described base plate and support the front-wheel State Transferring worm shaft bearing of fixing the described front-wheel State Transferring worm screw other end, before being meshed with described front-wheel state worm screw, colyliform changes state turbine, support fixing described front-wheel State Transferring turbine and the front-wheel State Transferring turbine wheel shaft bearing be fixedly connected with described base plate, connect the front-wheel State Transferring turbine wheel shaft of described front colyliform conversion turbine and described front-wheel State Transferring turbine wheel shaft bearing, be arranged on the front-wheel State Transferring pusher at described front-wheel State Transferring turbine wheel shaft two ends, the front-wheel matched with described front-wheel State Transferring pusher pushes tooth bar, connect the front-wheel connecting axle of described front belt pulley and front-wheel propelling movement tooth bar.
Further, described trailing wheel status switching mechanism comprises trailing wheel State Transferring motor, the trailing wheel State Transferring drive sprocket be connected with the outfan of described trailing wheel State Transferring motor, the trailing wheel State Transferring driven sprocket matched with described trailing wheel State Transferring drive sprocket, connect and with the trailing wheel State Transferring chain of described trailing wheel State Transferring drive sprocket and trailing wheel State Transferring driven sprocket, the trailing wheel State Transferring worm screw coaxially arranged with described trailing wheel State Transferring driven sprocket, be fixedly connected with described base plate and support the trailing wheel State Transferring worm shaft bearing of fixing the described trailing wheel State Transferring worm screw other end, the rear colyliform be meshed with described trailing wheel State Transferring worm screw changes state turbine, support fixing described trailing wheel State Transferring turbine and the trailing wheel State Transferring turbine wheel shaft bearing be fixedly connected with described base plate, connect the trailing wheel State Transferring turbine wheel shaft of described rear colyliform conversion turbine and described trailing wheel State Transferring turbine wheel shaft bearing, be arranged on the trailing wheel State Transferring pusher on described trailing wheel State Transferring turbine wheel shaft, the trailing wheel matched with described trailing wheel State Transferring pusher pushes tooth bar, after connecting two, left and right, belt pulley and trailing wheel push the trailing wheel integral stem of tooth bar.
Further, described front-wheel State Transferring pusher is identical with trailing wheel State Transferring pusher structure, includes to be arranged on described front-wheel State Transferring worm screw or trailing wheel State Transferring worm screw and to push tooth bar or trailing wheel with described front-wheel to push drive sprocket that tooth bar is meshed and be pressed in described front-wheel and push tooth bar trailing wheel and push the contact roller that tooth bar is connected by connector with described drive sprocket.
Further, the bottom of described seat is provided with a battery case.
Further, described base plate is provided with folding pedal.
The beneficial effects of the utility model are: automatically controlled rocking handle controls power motor, front-wheel State Transferring motor and trailing wheel State Transferring motor, is controlled the kinestate of wheelchair by the state controlling each motor; Motoring condition shifter realizes primarily of turbine and worm transmission transmission, controls the steady expansion of front belt pulley and rear belt pulley stair activity and packs up.Vehicle frame forms primarily of two triangle parts and base plate and belt pulley clamping plate securing member forms, and is characterized in Combination leather belt wheel is housed respectively on the both sides of vehicle frame.On the connecting axle of chair mounted on the tripod of both sides, and there is independently degree of freedom, seat bottom is provided with battery case, it is mainly to seat counterweight with to power motor distribution, seat is remained, and vertical axis overlaps with centrifugal force line, at staircase, it can remain that the gravity of human body is vertical and steady along with this utility model up and down, and the front of people is consistent with the direction of advance of wheelchair all the time, no matter seat is sat people or do not sat people, the still descending that goes up a slope remains vertical plateau.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is left view of the present utility model;
Fig. 4 is the front view of vehicle frame;
Fig. 5 is the top view of vehicle frame;
Fig. 6 is the left view of vehicle frame;
Fig. 7 is the front view of seat;
Fig. 8 is the top view of seat;
Fig. 9 is the left view of seat;
Figure 10 is the front view of front-wheel status switching mechanism;
Figure 11 is the top view of front-wheel status switching mechanism;
Figure 12 is the left view of front-wheel status switching mechanism;
Figure 13 is the front view of trailing wheel status switching mechanism;
Figure 14 is the top view of trailing wheel status switching mechanism;
Figure 15 is the left view of trailing wheel status switching mechanism;
Figure 16 is the front view of monolateral dynamic structure;
Figure 17 is the top view of monolateral dynamic structure;
Figure 18 is the left view of monolateral dynamic structure.
Detailed description of the invention
Preferred embodiment of the present utility model is: as shown in Figures 1 to 3, a kind of front stair climbing wheel chair, comprises seat 2, dynamical system 60, motoring condition shifter 70, Combination leather belt wheel 80 and vehicle frame 90.
As shown in Figs. 4-6, described vehicle frame 90 comprises base plate 10, be arranged on the belt pulley clamping plate 7 of the left and right sides of base plate and be arranged on the vehicle frame triangle part 6 on described belt pulley clamping plate 7 top, described vehicle frame triangle part 6 top is provided with chair mounted hole 5, be provided with on described belt pulley clamping plate 7 before belt pulley installing hole 9 and rear belt pulley installing hole 8;
As shown in Figs. 7-9, the handrail upper surface, left and right of described seat 2 is provided with automatically controlled rocking handle 1, bottom is provided with connecting rod 4, and described connecting rod 4 inserts in described chair mounted hole 5 and is flexibly connected with described vehicle frame 90, and the bottom of described seat is provided with a battery case 3; It and vehicle frame 90 are inserted in described chair mounted hole 5 by connecting rod 4 to be flexibly connected with described vehicle frame 90, and rotate relatively freely as pendulum, a battery case 3 is installed in the bottom of seat, battery case 3 is used to seat counterweight, counterweight makes seat remain level, no matter wheelchair is upper ladder or descending stair or level road, and the longitudinal axis of human body sitting posture overlaps with centrifugal force line all the time, and attitude can not change.
Described Combination leather belt wheel 80 comprises front belt pulley 46, rear belt pulley 47 and counter pulley 18, described front belt pulley 46 and rear belt pulley 47 are inserted in described front belt pulley installing hole 9 and rear belt pulley installing hole 8 by connecting axle and are flexibly connected with described vehicle frame 90, described counter pulley 18 is arranged between described front belt pulley 46 and rear belt pulley 47, is provided with to be provided with described vehicle frame 90 junction with the sprocket wheel of its synchronous axial system, in the rear belt pulley 47 to be connected by driving chain with between the sprocket wheel of its synchronous axial system, two sprocket wheels at the rear portion of described counter pulley 18;
As shown in Figure 16 to 18, described dynamical system 60 comprises power motor 1, the worm screw 22 be connected with the outfan of described power motor 17, be fixedly connected with described base plate 10 and support the worm shaft bearing 23 of fixing described worm screw 22 other end, the turbine 15 be meshed with described worm screw, support fixing described turbine 15 and the turbine wheel shaft bearing 25 be fixedly connected with described base plate, connect the turbine wheel shaft 26 of described turbine 15 and described turbine wheel shaft bearing 25, act on the drivewheel 13 on the belt 12 of described counter pulley 18, the drive sprocket axle 24 of gearing has been connected with described turbine wheel shaft 26 and described drivewheel 13, with the contact roller 21 of the another side of the corresponding installation of described drivewheel 12 and described belt 12, support the clamping frame 16 of fixing described contact roller 21, described power motor 17 starts by the knob stirred on described electric control handle 1, described driving force motor 17 coaxially drives turbine rotation with described worm screw 22, turbine 15 is arranged on turbine wheel shaft 26, the end of turbine wheel shaft 26 is connected with drive sprocket axle 24, the drive pulley 13 on drive sprocket axle 24 is driven to rotate, because belt 12 is clamped between drivewheel 13 and contact roller 21, so make belt 12 move, breast wheel 18 is together rotated, between breast wheel 18 and rear belt pulley 47, has sprocket wheel 48 to do transmission.
Described motoring condition shifter 70 comprises front-wheel status switching mechanism 71 and trailing wheel status switching mechanism 72;
As shown in Figure 10 to 12, described front-wheel status switching mechanism 71 comprises front-wheel State Transferring motor 37, the front-wheel State Transferring worm screw 39 be connected with the outfan of described front-wheel State Transferring motor 37, be fixedly connected with described base plate 10 and support the front-wheel State Transferring worm shaft bearing 57 of fixing described front-wheel State Transferring worm screw 39 other end, before being meshed with described front-wheel state worm screw 39, colyliform changes state turbine 40, support fixing described front-wheel State Transferring turbine 40 and the front-wheel State Transferring turbine wheel shaft bearing 42 be fixedly connected with described base plate 10, connect the front-wheel State Transferring turbine wheel shaft 41 of described front colyliform conversion turbine 40 and described front-wheel State Transferring turbine wheel shaft bearing 42, be arranged on the front-wheel State Transferring pusher 43 at described front-wheel State Transferring turbine wheel shaft 41 two ends, the front-wheel matched with described front-wheel State Transferring pusher 43 pushes tooth bar 44, connect the front-wheel connecting axle 45 of described front belt pulley 46 and front-wheel propelling movement tooth bar 44, start front-wheel State Transferring motor 37, front-wheel State Transferring worm screw 39 is driven to rotate, front-wheel State Transferring worm screw 39 makes front-wheel State Transferring turbine 40 rotate, front-wheel State Transferring turbine 40 is arranged on front-wheel State Transferring turbine wheel shaft 41, front-wheel State Transferring turbine wheel shaft 41 rotates, the two ends of front-wheel State Transferring turbine wheel shaft 41 are each is fasteningly provided with a front-wheel State Transferring pusher 43, it make the front-wheel of the right and left push tooth bar 44 elastic through two tooth bars connect front-wheel connecting axles 45 and front belt pulley connect 47 connect realize before belt pulley connect the expansion of 47 and pack up, to adapt to the conversion of upper ladder and descending stair state.
As shown in Figure 13 to 15, described trailing wheel status switching mechanism 72 comprises trailing wheel State Transferring motor 27, the trailing wheel State Transferring worm screw 32 be connected with the outfan of described trailing wheel State Transferring motor 27, be fixedly connected with described base plate 10 and support the trailing wheel State Transferring worm shaft bearing 35 of fixing described trailing wheel State Transferring worm screw 39 other end, the rear colyliform be meshed with described trailing wheel State Transferring worm screw 32 changes state turbine 31, support fixing described trailing wheel State Transferring turbine 31 and the trailing wheel State Transferring turbine wheel shaft bearing 33 be fixedly connected with described base plate 10, connect the trailing wheel State Transferring turbine wheel shaft 34 of described rear colyliform conversion turbine 31 and described trailing wheel State Transferring turbine wheel shaft bearing 33, be arranged on the trailing wheel State Transferring pusher 30 on described trailing wheel State Transferring turbine wheel shaft 34, the trailing wheel matched with described trailing wheel State Transferring pusher 30 pushes tooth bar 29, after connecting two, left and right, belt pulley 47 and trailing wheel push the trailing wheel integral stem 36 of tooth bar 29, trailing wheel State Transferring motor 27 starts, trailing wheel State Transferring worm screw 32 is driven to rotate, trailing wheel State Transferring turbine 31 is rotated, trailing wheel State Transferring turbine 31 is arranged on trailing wheel State Transferring turbine wheel shaft 34, one end on trailing wheel State Transferring turbine wheel shaft 34 is provided with a trailing wheel State Transferring pusher 30, trailing wheel State Transferring pusher 30 rotates, trailing wheel pushes tooth bar 29 and starts elastic, trailing wheel pushes tooth bar 29 and is connected with trailing wheel connecting rod 36, trailing wheel connecting rod again with two after belt pulley 47 be installed together, promote after belt pulley launch and pack up.
Preferably, described dynamical system 60 comprises power motor 17, the worm screw 22 be connected with the outfan of described power motor 17, be fixedly connected with described base plate 10 and support the worm shaft bearing 23 of fixing described worm screw 22 other end, the turbine 15 be meshed with described worm screw 22, support fixing described turbine 15 and the turbine wheel shaft bearing 25 be fixedly connected with described base plate, connect the turbine wheel shaft 26 of described turbine 15 and described turbine wheel shaft bearing 25, be arranged on the drive sprocket 14 of described turbine wheel shaft one end, the driven sprocket 51 matched with described drive sprocket 14, connect the chain 52 of described drive sprocket 14 and driven sprocket 51, act on the drivewheel 13 on the belt 12 of described counter pulley 18, the drive sprocket axle 24 of gearing has been connected with described driven sprocket 51 and described drivewheel 13, with the contact roller 21 of the another side of the corresponding installation of described drivewheel 24 and described belt 12, support the clamping frame 16 of fixing described contact roller 21.
Preferably, described front-wheel status switching mechanism 71 comprises front-wheel State Transferring motor 37, the front-wheel State Transferring drive sprocket 55 be connected with the outfan of described front-wheel State Transferring motor 37, the front-wheel State Transferring driven sprocket 38 matched with described front-wheel State Transferring drive sprocket 55, connect and with the front-wheel State Transferring chain 56 of described front-wheel State Transferring drive sprocket 55 and front-wheel State Transferring driven sprocket 38, the front-wheel State Transferring worm screw 39 that arrange coaxial with described front-wheel State Transferring driven sprocket 38, be fixedly connected with described base plate 10 and support the front-wheel State Transferring worm shaft bearing 57 of fixing described front-wheel State Transferring worm screw 39 other end, before being meshed with described front-wheel state worm screw 39, colyliform changes state turbine 40, support fixing described front-wheel State Transferring turbine 40 and the front-wheel State Transferring turbine wheel shaft bearing 42 be fixedly connected with described base plate 10, connect the front-wheel State Transferring turbine wheel shaft 41 of described front colyliform conversion turbine 40 and described front-wheel State Transferring turbine wheel shaft bearing 42, be arranged on the front-wheel State Transferring pusher 43 at described front-wheel State Transferring turbine wheel shaft 41 two ends, the front-wheel matched with described front-wheel State Transferring pusher 43 pushes tooth bar 44, connect the front-wheel connecting axle 45 of described front belt pulley 46 and front-wheel propelling movement tooth bar 44.
Preferably, described trailing wheel status switching mechanism 72 comprises trailing wheel State Transferring motor 27, the trailing wheel State Transferring drive sprocket 53 be connected with the outfan of described trailing wheel State Transferring motor 27, the trailing wheel State Transferring driven sprocket 28 matched with described trailing wheel State Transferring drive sprocket 53, connect and with the trailing wheel State Transferring chain 54 of described trailing wheel State Transferring drive sprocket 53 and trailing wheel State Transferring driven sprocket 28, the trailing wheel State Transferring worm screw 32 that arrange coaxial with described trailing wheel State Transferring driven sprocket 28, be fixedly connected with described base plate 10 and support the trailing wheel State Transferring worm shaft bearing 35 of fixing described trailing wheel State Transferring worm screw 39 other end, the rear colyliform be meshed with described trailing wheel State Transferring worm screw 32 changes state turbine 31, support fixing described trailing wheel State Transferring turbine 31 and the trailing wheel State Transferring turbine wheel shaft bearing 33 be fixedly connected with described base plate 10, connect the trailing wheel State Transferring turbine wheel shaft 34 of described rear colyliform conversion turbine 31 and described trailing wheel State Transferring turbine wheel shaft bearing 33, be arranged on the trailing wheel State Transferring pusher 30 on described trailing wheel State Transferring turbine wheel shaft 41, the trailing wheel matched with described trailing wheel State Transferring pusher 30 pushes tooth bar 29, after connecting two, left and right, belt pulley 47 and trailing wheel push the trailing wheel integral stem 36 of tooth bar 29.
Preferably, described front-wheel State Transferring pusher 43 is identical with trailing wheel State Transferring pusher 30 structure, includes to be arranged on described front-wheel State Transferring worm screw 39 or trailing wheel State Transferring worm screw 32 and to push tooth bar 44 or trailing wheel with described front-wheel to push drive sprocket 58 that tooth bar 29 is meshed and be pressed in described front-wheel and push tooth bar 44 trailing wheel and push the contact roller 59 that tooth bar 29 is connected as one by connector with described drive sprocket 58.
Preferably, described base plate 10 is provided with folding pedal 11.
Claims (7)
1. a front stair climbing wheel chair, comprise seat (2), dynamical system (60), motoring condition shifter (70), Combination leather belt wheel (80) and vehicle frame (90), described vehicle frame (90) comprises base plate (10), be arranged on the belt pulley clamping plate (7) of the left and right sides of described base plate (10) and be arranged on the vehicle frame triangle part (6) on described belt pulley clamping plate (7) top, described vehicle frame triangle part (6) top is provided with chair mounted hole (5), described belt pulley clamping plate (7) are provided with front belt pulley installing hole (9) and rear belt pulley installing hole (8), the handrail upper surface, left and right of described seat (2) is provided with automatically controlled rocking handle (1), bottom is provided with connecting rod (4), and described connecting rod (4) inserts in described chair mounted hole (5) and is flexibly connected with described vehicle frame (90), described Combination leather belt wheel (80) comprises front belt pulley (46), rear belt pulley (47) and counter pulley (18), described front belt pulley (46) and rear belt pulley (47) are inserted in described front belt pulley installing hole (9) and rear belt pulley installing hole (8) by connecting axle and are flexibly connected with described vehicle frame (90), described counter pulley (18) is arranged between described front belt pulley (46) and rear belt pulley (47), be provided with and the sprocket wheel of its synchronous axial system (49) at the rear portion of described counter pulley (18), belt pulley (47) and described vehicle frame (90) junction are provided with and the sprocket wheel of its synchronous axial system (50) in the rear, connected by driving chain (48) between two sprocket wheels, described dynamical system (60) comprises power motor (17), the worm screw (22) be connected with the outfan of described power motor (17), be fixedly connected with described base plate (10) and support the worm shaft bearing (23) of fixing described worm screw (22) other end, the turbine (15) be meshed with described worm screw (22), support fixing described turbine (15) and the turbine wheel shaft bearing (25) be fixedly connected with described base plate, connect the turbine wheel shaft (26) of described turbine (15) and described turbine wheel shaft bearing (25), act on the drivewheel (13) on the belt (12) of described counter pulley (18), the drive sprocket axle (24) of gearing has been connected with described turbine wheel shaft (26) and described drivewheel (13), with the contact roller (21) of the another side of described drivewheel (13) corresponding installation and described belt (12), support the clamping frame (16) of fixing described contact roller (21), described motoring condition shifter (70) comprises front-wheel status switching mechanism (71) and trailing wheel status switching mechanism (72), described front-wheel status switching mechanism (71) comprises front-wheel State Transferring motor (37), the front-wheel State Transferring worm screw (39) be connected with the outfan of described front-wheel State Transferring motor (37), be fixedly connected with described base plate (10) and support front-wheel State Transferring worm shaft bearing (57) fixing described front-wheel State Transferring worm screw (39) other end, the front colyliform be meshed with described front-wheel state worm screw (39) changes state turbine (40), support fixing described front-wheel State Transferring turbine (40) and front-wheel State Transferring turbine wheel shaft bearing (42) be fixedly connected with described base plate (10), connect the front-wheel State Transferring turbine wheel shaft (41) of described front colyliform conversion turbine (40) and described front-wheel State Transferring turbine wheel shaft bearing (42), be arranged on the front-wheel State Transferring pusher (43) at described front-wheel State Transferring turbine wheel shaft (41) two ends, the front-wheel matched with described front-wheel State Transferring pusher (43) pushes tooth bar (44), connect the front-wheel connecting axle (45) of described front belt pulley (46) and front-wheel propelling movement tooth bar (44), described trailing wheel status switching mechanism (72) comprises trailing wheel State Transferring motor (27), the trailing wheel State Transferring worm screw (32) be connected with the outfan of described trailing wheel State Transferring motor (27), be fixedly connected with described base plate (10) and support trailing wheel State Transferring worm shaft bearing (35) fixing described trailing wheel State Transferring worm screw (39) other end, the rear colyliform be meshed with described trailing wheel State Transferring worm screw (32) changes state turbine (31), support fixing described trailing wheel State Transferring turbine (31) and trailing wheel State Transferring turbine wheel shaft bearing (33) be fixedly connected with described base plate (10), connect the trailing wheel State Transferring turbine wheel shaft (34) of described rear colyliform conversion turbine (31) and described trailing wheel State Transferring turbine wheel shaft bearing (33), be arranged on the trailing wheel State Transferring pusher (30) on described trailing wheel State Transferring turbine wheel shaft (41), the trailing wheel matched with described trailing wheel State Transferring pusher (30) pushes tooth bar (29), after connecting two, left and right, belt pulley (47) and trailing wheel push the trailing wheel integral stem (36) of tooth bar (29).
2. front according to claim 1 stair climbing wheel chair, is characterized in that: described dynamical system (60) comprises power motor (17), the worm screw (22) be connected with the outfan of described power motor (17), be fixedly connected with described base plate (10) and support the worm shaft bearing (23) of fixing described worm screw (22) other end, the turbine (15) be meshed with described worm screw (22), support fixing described turbine (15) and the turbine wheel shaft bearing (25) be fixedly connected with described base plate, connect the turbine wheel shaft (26) of described turbine (15) and described turbine wheel shaft bearing (25), be arranged on the drive sprocket (14) of described turbine wheel shaft one end, the driven sprocket (51) matched with described drive sprocket (14), connect the chain (52) of described drive sprocket (14) and driven sprocket (51), act on the drivewheel (13) on the belt (12) of described counter pulley (18), the drive sprocket axle (24) of gearing has been connected with described driven sprocket (51) and described drivewheel (13), with the contact roller (21) of the another side of described drivewheel (13) corresponding installation and described belt (12), support the clamping frame (16) of fixing described contact roller (21).
3. according to the front stair climbing wheel chair described in claim 1 or 2, it is characterized in that: described front-wheel status switching mechanism (71) comprises front-wheel State Transferring motor (37), the front-wheel State Transferring drive sprocket (55) be connected with the outfan of described front-wheel State Transferring motor (37), the front-wheel State Transferring driven sprocket (38) matched with described front-wheel State Transferring drive sprocket (55), connect and with the front-wheel State Transferring chain (56) of described front-wheel State Transferring drive sprocket (55) and front-wheel State Transferring driven sprocket (38), the front-wheel State Transferring worm screw (39) that arrange coaxial with described front-wheel State Transferring driven sprocket (38), be fixedly connected with described base plate (10) and support front-wheel State Transferring worm shaft bearing (57) fixing described front-wheel State Transferring worm screw (39) other end, the front colyliform be meshed with described front-wheel state worm screw (39) changes state turbine (40), support fixing described front-wheel State Transferring turbine (40) and front-wheel State Transferring turbine wheel shaft bearing (42) be fixedly connected with described base plate (10), connect the front-wheel State Transferring turbine wheel shaft (41) of described front colyliform conversion turbine (40) and described front-wheel State Transferring turbine wheel shaft bearing (42), be arranged on the front-wheel State Transferring pusher (43) at described front-wheel State Transferring turbine wheel shaft (41) two ends, the front-wheel matched with described front-wheel State Transferring pusher (43) pushes tooth bar (44), connect the front-wheel connecting axle (45) of described front belt pulley (46) and front-wheel propelling movement tooth bar (44).
4. front according to claim 3 stair climbing wheel chair, it is characterized in that: described trailing wheel status switching mechanism (72) comprises trailing wheel State Transferring motor (27), the trailing wheel State Transferring drive sprocket (53) be connected with the outfan of described trailing wheel State Transferring motor (27), the trailing wheel State Transferring driven sprocket (28) matched with described trailing wheel State Transferring drive sprocket (53), connect and with the trailing wheel State Transferring chain (54) of described trailing wheel State Transferring drive sprocket (53) and trailing wheel State Transferring driven sprocket (28), the trailing wheel State Transferring worm screw (32) that arrange coaxial with described trailing wheel State Transferring driven sprocket (28), be fixedly connected with described base plate (10) and support trailing wheel State Transferring worm shaft bearing (35) fixing described trailing wheel State Transferring worm screw (39) other end, the rear colyliform be meshed with described trailing wheel State Transferring worm screw (32) changes state turbine (31), support fixing described trailing wheel State Transferring turbine (31) and trailing wheel State Transferring turbine wheel shaft bearing (33) be fixedly connected with described base plate (10), connect the trailing wheel State Transferring turbine wheel shaft (34) of described rear colyliform conversion turbine (31) and described trailing wheel State Transferring turbine wheel shaft bearing (33), be arranged on the trailing wheel State Transferring pusher (30) on described trailing wheel State Transferring turbine wheel shaft (41), the trailing wheel matched with described trailing wheel State Transferring pusher (30) pushes tooth bar (29), after connecting two, left and right, belt pulley (47) and trailing wheel push the trailing wheel integral stem (36) of tooth bar (29).
5. front according to claim 4 stair climbing wheel chair, it is characterized in that: described front-wheel State Transferring pusher (43) is identical with trailing wheel State Transferring pusher (30) structure, include be arranged on described front-wheel State Transferring worm screw (39) or trailing wheel State Transferring worm screw (32) upper and with described front-wheel pushes tooth bar (44) or trailing wheel pushes drive (58) that tooth bar (29) is meshed and be pressed in described front-wheel push tooth bar (44) trailing wheel push tooth bar (29) passes through with described drive sprocket (58) be connected between the contact roller (59) that links together.
6. front according to claim 5 stair climbing wheel chair, is characterized in that: the bottom of described seat is provided with a battery case (3).
7. front according to claim 6 stair climbing wheel chair, is characterized in that: on described base plate (10), be provided with folding pedal (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520309995.XU CN204723288U (en) | 2015-05-14 | 2015-05-14 | A kind of front stair climbing wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520309995.XU CN204723288U (en) | 2015-05-14 | 2015-05-14 | A kind of front stair climbing wheel chair |
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| Publication Number | Publication Date |
|---|---|
| CN204723288U true CN204723288U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520309995.XU Expired - Fee Related CN204723288U (en) | 2015-05-14 | 2015-05-14 | A kind of front stair climbing wheel chair |
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| Country | Link |
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| CN (1) | CN204723288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105559984A (en) * | 2016-02-29 | 2016-05-11 | 华南理工大学 | Nursing power assistance system |
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2015
- 2015-05-14 CN CN201520309995.XU patent/CN204723288U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105559984A (en) * | 2016-02-29 | 2016-05-11 | 华南理工大学 | Nursing power assistance system |
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