CN209548253U - A kind of electric wheelchair - Google Patents

Abstract

The utility model discloses a kind of electric wheelchairs, including seat and set on the driving device of the under-seat, the seat side wall is equipped with backrest, the seat two sides are respectively equipped with handrail, the handrail is equipped with control panel, the foot-operated of adjustable-angle is additionally provided on the side wall of the seat other side, it is characterized by: the driving device includes the first crawler belt, the second crawler belt on the inside of first crawler belt and the third crawler belt set on first crawler belt one end, second crawler belt and the third crawler belt can be overturn；Multiple convex blocks are respectively equipped on first crawler belt, second crawler belt and the third crawler belt.

Description

A kind of electric wheelchair

Technical field

The utility model belongs to daily necessities technical field, more particularly, to a kind of electric wheelchair.

Background technique

Electric wheelchair be on the basis of traditional manual wheelchair, superposition high-performance power drive unit, smart steering device, The components such as battery, made of transformation and upgrade.

Have artificial manipulation intelligent controller, wheelchair completion can be driven to advance, retreat, turning to, standing, lying low, etc. it is more The New Generation of Intelligent wheelchair of kind function, is the high-new section that the fields such as modern precision machinery, intelligent numerical control, engineering mechanics combine Skill product.

A kind of electric wheelchair disclosed in Chinese patent CN104825285B, including walking basal seat and seat, the walking bottom Seat includes front-wheel support, rear wheel support, driving wheel apparatus and battery, and driving wheel apparatus includes controller, driving motor and drive Driving wheel, the front-wheel support include support tube, connecting column and the first front-wheel mounting plate set gradually from left to right, first Fagging, the second support plate and the second front-wheel mounting plate, connecting column pass through the first support plate on the first mounting hole, the second support plate On the second mounting hole and fixed with the first support plate, the second support plate, the both ends of connecting column be separately fixed at the first front-wheel peace In loading board, the second front-wheel mounting plate, using connecting column realize the first front-wheel mounting plate, the first support plate, the second support plate and Being fixedly connected between the second front-wheel mounting plate not only simplifies the structure of product, reduces technique manufacture difficulty, even more important Be to greatly reduce weight on the basis of guaranteeing front-wheel support intensity；Wheelchair climbing is always to need to solve in wheelchair Problem often has step in life, and the wheelchair in above-mentioned utility model can not complete working uphill, and wheelchair can not appear on the stage Rank is gone up a slope in the local wheelchair inconvenience of not set wheelchair access, and in upper public transport, wheelchair user needs the help at other people It is lower just to get on the bus, using being inconvenient.

Utility model content

The utility model for overcome the deficiencies in the prior art, provides a kind of convenient for climbing, the electricity of promotion climbing stability Wheelchair.

To achieve the goals above, the utility model uses a kind of following technical scheme: electric wheelchair, including seat and sets In the driving device of the under-seat, the seat side wall is equipped with backrest, and the seat two sides are respectively equipped with handrail, described Handrail is equipped with control panel, the foot-operated of adjustable-angle is additionally provided on the side wall of the seat other side, the driving device includes First crawler belt, the second crawler belt on the inside of first crawler belt and the third crawler belt set on first crawler belt one end, it is described Second crawler belt and the third crawler belt can be overturn；Divide on first crawler belt, second crawler belt and the third crawler belt It She You not multiple convex blocks；Control panel can be facilitated to manipulate the electric assembly on wheelchair, user by the operation to control panel Wheelchair is controlled, it is user-friendly；It is cooperated in ladder with step by convex block convenient for wheelchair, makes to carry out Band is stuck on step, moves wheelchair day under the action of crawler belt smoothly up；When needing to drive wheelchair top bar, third Crawler belt is obliquely installed, and driving wheelchair moves at step, so that the first crawler belt is in contact with step under the action of third crawler belt, is made First crawler belt a part is matched with step, by control panel control third crawler belt overturn, make third crawler belt turn to First crawler belt is in horizontal position, increases the length of the first crawler belt, under the collective effect of the first crawler belt and third crawler belt, is driven Wheelchair up moves, and completes the unit for operation on ladder of wheelchair；When driving public transport on wheelchair, turned by control the second crawler belt of dish driving It is dynamic, it overturns the second crawler belt down and is touched with ground, so that wheelchair is generated sharping degree under the action of the second crawler belt, make third Crawler belt and ground touch, and move forward in third crawler belt and band wheelchair under the collective effect of the second crawler belt, make the first crawler belt It is in contact with car body step, driving third crawler belt rotation keeps wheelchair complete under the support of third crawler belt and the rotation of the first crawler belt At the movement of upper public transport, helps that upper public transport movement can be completed without other people, increase the ease of use of wheelchair, use wheelchair Various road conditions.

The under-seat is equipped with mounting rack, and the mounting rack includes the first connection roller, the second connection roller and third connection Roller, the first connection roller, the second connection roller and third connection roller are connected by a first connecting rod, and described first It connects roller, the second connection roller and the third and connects roller structure triangular in shape；Mounting rack provides support effect for seat, benefit With the principle of triangle stability, increase the lifting capacity of wheelchair, promotes the integrally-built stability of wheelchair；It will by mounting rack Seat and driving device are combined together, and move wheelchair automatically under the control of control panel, promote the convenience that wheelchair uses, Increase the integrally-built stability of wheelchair.

The first connection roller is equipped with the first adjustment gear, and the seat bottom is equipped with installs case, in the installs case Equipped with motor is adjusted, the motor output shaft that adjusts is equipped with the second adjustment gear matched with first adjustment gear, Second adjustment gear is equipped with the first connecting shaft, and first connecting shaft is connected in the first connection roller by a connecting plate On；When wheelchair does ladder or upper public transport campaign, motor can be adjusted by control dish driving, adjust the first adjustment gear and second It saves gear to cooperate, under the action of the first adjustment gear and the second adjustment gear, makes seat that the rotation of certain angle occur, In wheelchair run-off the straight, seat is made to be still within horizontality, increase the stationarity of wheelchair, prevented wheelchair and translate into now As, while the comfort level of user is promoted, promote the user experience of user.

First connection roller side is equipped with the first driving motor, and first connection roller side is equipped with drives with described first First driving wheel of dynamic motor drive cooperation, the second connection roller is connected with the third is respectively equipped with second on the side wall of roller Driving wheel and third driving wheel, first driving wheel, second driving wheel and the third driving wheel are passed by one first Dynamic band is connected, and first crawler belt is sheathed on second driving wheel and the third driving wheel；First driving motor is the One crawler belt provides power, and the first crawler belt is enable normally to be rotated, under the action of the first transmission belt, by the first driving electricity The power of machine passes to the second driving wheel and third driving wheel, keeps the both ends speed of the first crawler belt consistent, steady convenient for the first crawler belt Fixed rotation avoids wheelchair because of the different generation rollover event of speed, promotes the safety that wheelchair uses.

First connection roller other side is equipped with the second driving motor, and first connection roller other side is equipped with and described the 4th driving wheel of two driving motors transmission cooperation, the second connection roller is connected with the third to be divided on the other side side wall of roller Not She You the 5th driving wheel and the 6th driving wheel, the 4th driving wheel, the 5th driving wheel and the 6th driving wheel are logical It crosses one second transmission belt to be connected, second crawler belt is sheathed on the 5th driving wheel and the 6th driving wheel；Second drives Dynamic motor provides power for the second crawler belt, makes the second crawler belt normal rotation, when the second crawler belt, which is turned to, to be touched with ground, the Two driving motors could work, and so that the second crawler belt cooperation third crawler belt is completed the upper public transport movement of wheelchair, make wheelchair without outer Also achievable upper public transport movement under people helps, promotes the convenience that wheelchair uses.

It is respectively equipped on the first connecting rod and connect the first mounting blocks that roller matches and with described with described second Three the second mounting blocks for matching of connection rollers, are equipped with the second rotating electric machine in second mounting blocks, on second mounting blocks Equipped with the 7th driving wheel with second rotating electric machine transmission cooperation, the third connection roller is equipped with and the 7th transmission The 8th driving wheel matched is taken turns, the 8th driving wheel side wall is equipped with the first connector sleeve, and first connector sleeve is equipped with Second connecting rod, second connecting rod connect roller with one the 4th and are connected, and the third crawler belt is sheathed on the third connection roller On the 4th connection roller；By the mutual cooperation of the 7th driving wheel and the 8th driving wheel, realizes the rotation of third crawler belt, make Third crawler belt can be rotated in a certain range, be controlled the slope of third crawler belt, to adapt to the stair of different gradients, Wheelchair is set to realize the function of a variety of Different Slope stair under the cooperation of the first crawler belt and third crawler belt, promoting wheelchair makes Convenience.

The first rotating electric machine is equipped in first mounting blocks, first mounting blocks are equipped with and first electric rotating The 9th driving wheel that machine matches, described second connects the tenth transmission being arranged on roller with the 9th driving wheel transmission cooperation Wheel, the tenth driving wheel side wall are equipped with the second connector sleeve, and second connector sleeve is equipped with third connecting rod, the third Connecting rod connect roller with one the 5th and is connected, and second crawler belt is sheathed on the 5th connection roller；In the 9th driving wheel and Under the mutual cooperation of ten driving wheels, realizes the overturning of the second crawler belt, overturn the second crawler belt under the action of the first rotating electric machine Certain angle forms certain angle with ground convenient for lifting wheelchair front end, the first crawler belt is made to be in contact with bus step, complete It is acted at the upper public transport of wheelchair, making wheelchair also can be upper public transport in the case where helping without other people, and greatly improving wheelchair makes Convenience.

First connector sleeve is rotatably set on the third connection roller, and second connector sleeve is rotatably set to described On second connection roller；By being rotatably connected for the first connector sleeve and the second connector sleeve, carried out convenient for the second crawler belt of driving and third The rotation of band overturns the second crawler belt and third crawler belt under the action of the first rotating electric machine and the second rotating electric machine, from And the top bar and upper public transport movement of wheelchair are completed, increase the functionality of wheelchair, promotes the convenience that wheelchair uses.

The first connecting rod is equipped with the first housing and the second housing, and first housing is set to the second connection roller Top, second housing are set to above third connection roller；First housing and the second housing carry out the second crawler belt and third Extreme angles with overturning are defined, and are avoided the second crawler belt and third crawler belt from overturning excessive distance and are in contact with mounting blocks, keep away Exempt from crawler belt to impact the rotating electric machine in mounting blocks, promotes the stability of Wheelchair structure.

The seat side wall is equipped with the 4th connecting rod, described foot-operated to be movably connected on described the by one the 5th connecting rod In four connecting rods, the 4th connecting rod be equipped with the 6th connecting rod, the 6th connecting rod be equipped with gag lever post, the described 5th Limit plate is connected in connecting rod, the limit plate is equipped with the loose slot matched with the gag lever post, the activity Slot inner wall is equipped with multiple limiting slots matched with the gag lever post；By the mutual cooperation of limit plate and gag lever post, to Four connecting rods play fixed function, are fixed on the 4th connecting rod in corresponding angle, play support convenient for the leg to user and make With；By the mutual cooperation of loose slot and multiple limiting slots, foot-operated angle can be adjusted according to the demand of user, be mentioned User's comforts of use are risen, the user experience of wheelchair is promoted.

The utility model has the advantage that under the mutual cooperation of the first crawler belt, the second crawler belt and third crawler belt, makes to take turns Chair without other people help in the case where can also complete wheelchair unit for operation on ladder and upper public transport operation, promoted wheelchair use it is convenient Property, increase the practicability that wheelchair uses.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is enlarged drawing at the A in Fig. 1.

Fig. 3 is the rearview of the utility model.

Fig. 4 is the diagrammatic cross-section of the utility model.

Specific embodiment

As shown in Figs 1-4, a kind of electric wheelchair, the driving device including seat 1 and set on 1 lower section of seat are described 1 side wall of seat is equipped with backrest 19, and backrest can be adjusted according to the needs of users, the method for adjustment and the prior art of backrest The method of adjustment of middle wheelchair backrest is identical, and details are not described herein；1 two sides of seat are respectively equipped with handrail 11, the handrail 11 It is equipped with control panel 12, foot-operated the 14 of adjustable-angle are additionally provided on 1 other side side wall of seat, the driving device includes First crawler belt 26, the third set on the second crawler belt 220 of 26 inside of the first crawler belt and set on described first crawler belt, 26 one end Crawler belt 28, second crawler belt 220 and the third crawler belt 28 can be overturn；First crawler belt 26, second crawler belt 220 and the third crawler belt 28 on be respectively equipped with multiple convex blocks.

Control panel, can be easily to wheel by the operation to control panel to manipulate the electric assembly on wheelchair, user Chair is controlled, user-friendly；It is cooperated in ladder with step by convex block convenient for wheelchair, is stuck in crawler belt On step, move wheelchair day under the action of crawler belt smoothly up；When needing to drive wheelchair top bar, third crawler belt inclines Tiltedly setting, driving wheelchair move at step, so that the first crawler belt is in contact with step under the action of third crawler belt, make the first shoe Band a part is matched with step, is controlled third crawler belt by control panel and is overturn, and is turned to third crawler belt and is carried out with first Band is in horizontal position, increases the length of the first crawler belt, and under the collective effect of the first crawler belt and third crawler belt, band wheelchair is past The unit for operation on ladder of wheelchair is completed in upper movement；When driving public transport on wheelchair, by control the second crawler belt of dish driving rotation, make the Two crawler belts overturn down with ground touch, make under the action of the second crawler belt wheelchair generate sharping degree, make third crawler belt with Ground touching moves forward in third crawler belt and band wheelchair under the collective effect of the second crawler belt, makes the first crawler belt and car body Step is in contact, and driving third crawler belt rotation makes wheelchair complete upper public affairs under the support of third crawler belt and the rotation of the first crawler belt The movement of friendship helps that upper public transport movement can be completed without other people, increases the ease of use of wheelchair, wheelchair is made to use a variety of roads Condition.

Mounting rack is equipped with below the seat 1, the mounting rack includes that the first connection roller 21, second connects roller 22 and third Roller 23 is connected, the first connection roller 21, the second connection roller 22 and third connection roller 23 pass through a first connecting rod 24 are connected, and the first connection roller 21, the second connection roller 22 and the third connect the structure triangular in shape of roller 23；Mounting rack Support effect is provided for seat, using the principle of triangle stability, increases the lifting capacity of wheelchair, promotes wheelchair overall structure Stability；Seat and driving device are combined together by mounting rack, move wheelchair automatically under the control of control panel, The convenience that wheelchair uses is promoted, the integrally-built stability of wheelchair is increased.

The first connection roller 21 is equipped with the first adjustment gear 211, and 1 bottom of seat is equipped with installs case 13, described Be equipped in installs case 13 and adjust motor, it is described adjust motor output shaft and be equipped with matched with first adjustment gear 211 Second adjustment gear 15, second adjustment gear 15 are equipped with the first connecting shaft 151, and first connecting shaft 151 passes through one Connecting plate 18 is connected on the first connection roller 21；First adjustment gear is two groups, is respectively arranged on the first connection roller two sides, relatively The second adjustment gear answered also is two groups, is respectively arranged on installs case two sides, and the first connection roller two sides are respectively equipped with the second connecting shaft, Connecting plate is rotationally connected in the second connecting shaft, under being rotatably connected of connecting plate and the second connecting shaft, is existed convenient for seat It is rotated under the action of first adjustment gear and the second adjustment gear；By the interconnection of connecting plate and the second connecting shaft, by seat Chair is connected on the first connection roller；When wheelchair does ladder or upper public transport campaign, motor can be adjusted by control dish driving, make the One adjustment gear and the second adjustment gear cooperate, and under the action of the first adjustment gear and the second adjustment gear, make seat The rotation that certain angle occurs makes seat be still within horizontality in wheelchair run-off the straight, increases the stationarity of wheelchair, It prevents wheelchair and translates into phenomenon, while promoting the comfort level of user, promote the user experience of user.

First connection, 21 side of roller is equipped with the first driving motor, and first connection, 21 side of roller is equipped with and described the First driving wheel of one driving motor transmission cooperation, the second connection roller 22 connect on the side wall of roller 23 respectively with the third Equipped with the second driving wheel and third driving wheel, first driving wheel, second driving wheel and the third driving wheel pass through One first transmission belt 25 is connected, and first crawler belt 26 is sheathed on second driving wheel and the third driving wheel；First Driving motor provides power for the first crawler belt, and the first crawler belt is enable normally to be rotated, under the action of the first transmission belt, The power of first driving motor is passed into the second driving wheel and third driving wheel, keeps the both ends speed of the first crawler belt consistent, just In the rotation that the first crawler belt is stable, avoids wheelchair because of the different generation rollover event of speed, promote the safety that wheelchair uses.

First connection, 21 other side of roller is equipped with the second driving motor, and first connection, 21 other side of roller is equipped with and institute The 4th driving wheel of the second driving motor transmission cooperation is stated, the second connection roller 22 connects the other side of roller 23 with the third The 5th driving wheel and the 6th driving wheel, the 4th driving wheel, the 5th driving wheel and the described 6th are respectively equipped on side wall Driving wheel is connected by one second transmission belt 29, and second crawler belt 220 is sheathed on the 5th driving wheel and the described 6th and passes On driving wheel；Second driving motor provides power for the second crawler belt, makes the second crawler belt normal rotation, when the second crawler belt is turned to and ground When face is in contact, the second driving motor could work, and so that the second crawler belt cooperation third crawler belt is completed the upper public transport movement of wheelchair, make Wheelchair also achievable upper public transport movement in the case where helping without stranger, promotes the convenience that wheelchair uses；By the first crawler belt and second Crawler belt is driven with two driving motors respectively, makes the first crawler belt and the second crawler belt that work be separated and independently performed, it is ensured that driving Motor makes the movement of wheelchair become more stable the stability of crawler haulage.

Be respectively equipped on the first connecting rod 24 with described second connect the first mounting blocks 242 that roller 22 matches and with The second mounting blocks 241 that the third connection roller 23 matches, second mounting blocks 241 are interior to be equipped with the second rotating electric machine, institute It states the second mounting blocks 241 and is equipped with the 7th driving wheel 2411 cooperated with second rotating electric machine transmission, the third connection Roller 23 is equipped with the 8th driving wheel 231 matched with the 7th driving wheel 2411, sets on 231 side wall of the 8th driving wheel There is the first connector sleeve 232, first connector sleeve 232 is equipped with the second connecting rod 233, second connecting rod 233 and one the Four connection rollers 27 are connected, and the third crawler belt 28 is sheathed on the third connection roller 23 and the 4th connection roller 27；Pass through The mutual cooperation of 7th driving wheel and the 8th driving wheel realizes the rotation of third crawler belt, makes third crawler belt can be in a certain range Rotated, the slope of third crawler belt controlled, to adapt to the stair of different gradients, enable wheelchair in the first crawler belt and The function that upper a variety of Different Slope stair are realized under the cooperation of third crawler belt promotes the convenience that wheelchair uses；Third crawler belt exists It is rotated under the drive of third driving wheel, rotates synchronously third crawler belt and the first crawler belt, provide power for third crawler belt, just In third crawler belt and the first crawler belt coordinated, the ladder effect of wheelchair is promoted.

The first rotating electric machine is equipped in first mounting blocks 242, first mounting blocks 242 are equipped with and described first The 9th driving wheel 2421 that rotating electric machine matches, it is described second connection roller 22 on be arranged with and the 9th driving wheel 2421 pass Tenth driving wheel 221 of dynamic cooperation, 221 side wall of the tenth driving wheel are equipped with the second connector sleeve 222, second connector sleeve 222 are equipped with third connecting rod 223, and the third connecting rod 223 connect roller 210 with one the 5th and is connected, second crawler belt 220 It is sheathed on the 5th connection roller 210；Under the mutual cooperation of the 9th driving wheel and the tenth driving wheel, the second crawler belt is realized Overturning, makes the second crawler belt flip an angle under the action of the first rotating electric machine, convenient for lifting wheelchair front end and ground shape It is angled, so that the first crawler belt is in contact with bus step, completes the upper public transport movement of wheelchair, make wheelchair without other people Also public transport can be gone up in the case where help, greatly improve the convenience that wheelchair uses.

First connector sleeve 232 is rotatably set on third connection roller 23, and second connector sleeve 222 can be rotated On the second connection roller 22；First connector sleeve is sheathed on third connection roller, and the second connector sleeve is set to the second connection roller On, under the cooperation of driving wheel, fixed function is played to the first connector sleeve and the second connector sleeve；Connected by the first connector sleeve and second Female connector is rotatably connected, and convenient for driving the rotation of the second crawler belt and third crawler belt, makes the second crawler belt and third crawler belt first It is overturn under the action of rotating electric machine and the second rotating electric machine, to complete the top bar and upper public transport movement of wheelchair, is increased The functionality of wheelchair promotes the convenience that wheelchair uses.

The first connecting rod 24 is equipped with the first housing 243 and the second housing 244, and first housing 243 is set to institute 22 top of the second connection roller is stated, second housing 244 is set to 23 top of third connection roller；First housing and the second housing The extreme angles overturn to the second crawler belt and third crawler belt are defined, and the second crawler belt and third crawler belt is avoided to overturn excessive distance It is in contact with mounting blocks, crawler belt is avoided to impact the rotating electric machine in mounting blocks, promote the stability of Wheelchair structure.

1 side wall of seat is equipped with the 4th connecting rod 16, and described foot-operated 14 are articulated with institute by one the 5th connecting rod 17 It states in the 4th connecting rod 16, the 4th connecting rod 16 is equipped with the 6th connecting rod 110, and the 6th connecting rod 110 is equipped with Gag lever post 1101 is hinged with limit plate 120 in the 5th connecting rod 17, and the limit plate 120 is equipped with and the gag lever post 1101 loose slots 1201 matched, 1201 inner wall of loose slot are equipped with multiple limits matched with the gag lever post 1101 Position slot 1202；By the mutual cooperation of limit plate and gag lever post, fixed function is risen to the 4th connecting rod, fixes the 4th connecting rod In corresponding angle, play a supportive role convenient for the leg to user；By the mutual cooperation of loose slot and multiple limiting slots, Foot-operated angle can be adjusted according to the demand of user, promote user's comforts of use, promote the user of wheelchair Experience；To when needing to be adjusted foot-operated position, around hinge joint rotary spacing plate, take off gag lever post out of limiting slot Out, the tie point in the 4th connecting rod rotates the 5th connecting rod, is adjusted to foot position, foot position is adjusted Afterwards, rotary spacing plate is embedded into gag lever post in nearest limiting slot, by the mutual cooperation of gag lever post and limiting slot, to Five connecting rods play fixed function, to place to fixed function has been ridden convenient for user.

When wheelchair is under normal condition, the first crawler belt makes the flat of wheelchair as major impetus crawler belt, by the first crawler belt Mobile on the ground, the second crawler belt is set on the inside of the first crawler belt, and the second crawler belt and the first crawler belt are in same level, the second crawler belt It is not touched with ground；Third crawler belt is in heeling condition, and one end of third crawler belt is set to below backrest, makes third crawler belt will not Individually prominent wheelchair avoids third crawler belt from colliding when wheelchair is mobile with extraneous, promotes the stability of wheel chair sport；Work as needs When operation wheelchair is gone upstairs, make by wheel chair sport to ladder under the action of the first crawler belt, adjust the tilt angle of third crawler belt, So that third crawler belt is in contact with step, is stuck in the convex block on third crawler belt on step, band driving wheel under the action of third crawler belt Chair run-off the straight, to make to be stuck in the convex block on the first crawler belt on step, by adjusting electricity Machine adjusts seat position, makes seat rotation to horizontal position, it is ensured that wheelchair uniform force adjusts third crawler belt, makes third crawler belt Turn to down it is in the same plane with the first crawler belt, under the collective effect of third crawler belt and the first crawler belt, band wheelchair It is up moved along ladder, completes the movement of going upstairs of wheelchair；

When needing to operate public transport on wheelchair, make in front of wheel chair sport to bus step under the action of the first crawler belt, Operation control panel rotates the first rotating electric machine, and under the action of the first rotating electric machine, the second crawler belt of driving is overturn centainly down Angle rises wheelchair front end, and third crawler belt and ground touch at this time, and wheelchair is in heeling condition；By adjusting motor pair The position of seat is adjusted, and seat is made to be restored to horizontality, keeps the position of centre of gravity of wheelchair, wheelchair is avoided to topple over；Driving Third crawler belt and the second crawler belt band wheelchair are mobile, so that the first crawler belt front end is in contact with bus step, make on the first crawler belt Convex block be stuck on bus step, the second crawler belt is up overturn at this time, and third crawler belt is overturn down, with the first crawler belt phase interworking It closes, wheelchair is pushed upper bus makes wheelchair enter public transport after bus on wheelchair front end under the action of the first crawler belt Car, third crawler belt are up overturn under the action of the second rotating electric machine, reset third crawler belt, convenient for wheelchair on level land On movement.

Claims (9)

1. a kind of electric wheelchair, including seat (1) and the driving device being set to below the seat (1), seat (1) side wall It being equipped with backrest (19), seat (1) two sides are respectively equipped with handrail (11), and the handrail (11) is equipped with control panel (12), Foot-operated (14) of adjustable-angle are additionally provided on the side wall of seat (1) other side, it is characterised in that: the driving device includes First crawler belt (26), be set to first crawler belt (26) on the inside of the second crawler belt (220) and be set to first crawler belt (26) one The third crawler belt (28) at end, second crawler belt (220) and the third crawler belt (28) can be overturn；First crawler belt (26), multiple convex blocks are respectively equipped on second crawler belt (220) and the third crawler belt (28).

2. a kind of electric wheelchair described in accordance with the claim 1, it is characterised in that: be equipped with mounting rack, institute below the seat (1) Stating mounting rack includes that the first connection roller (21), the second connection roller (22) and third connect roller (23), first connection roller (21), Second connection roller (22) and third connection roller (23) are connected by a first connecting rod (24), the first connection roller (21), second connection roller (22) and the third connect roller (23) structure triangular in shape.

3. a kind of electric wheelchair according to claim 2, it is characterised in that: first connection roller (21) is equipped with first Adjustment gear (211), seat (1) bottom are equipped with installs case (13), are equipped in the installs case (13) and adjust motor, described It adjusts motor output shaft and is equipped with the second adjustment gear (15) for matching with first adjustment gear (211), described second Adjustment gear (15) is equipped with the first connecting shaft (151), and first connecting shaft (151) is connected in described by a connecting plate (18) In first connection roller (21).

4. a kind of electric wheelchair according to claim 2, it is characterised in that: first connection roller (21) side is equipped with the One driving motor, first connection roller (21) side are equipped with the first driving wheel with first driving motor transmission cooperation, Second connection roller (22) is connected with the third is respectively equipped with the second driving wheel and third driving wheel on the side walls of roller (23), First driving wheel, second driving wheel and the third driving wheel are connected by one first transmission belt (25), and described the One crawler belt (26) is sheathed on second driving wheel and the third driving wheel.

5. a kind of electric wheelchair according to claim 4, it is characterised in that: first connection roller (21) other side is equipped with Second driving motor, first connection roller (21) other side are equipped with the 4th transmission with second driving motor transmission cooperation Wheel, second connection roller (22) is connected with the third is respectively equipped with the 5th driving wheel and the on the other side side wall of roller (23) Six driving wheels, the 4th driving wheel, the 5th driving wheel and the 6th driving wheel pass through one second transmission belt (29) phase Even, second crawler belt (220) is sheathed on the 5th driving wheel and the 6th driving wheel.

6. a kind of electric wheelchair according to claim 5, it is characterised in that: be respectively equipped on the first connecting rod (24) With described second connect the first mounting blocks (242) that roller (22) matches and connect that roller (23) matches with the third second Mounting blocks (241), are equipped with the second rotating electric machine in second mounting blocks (241), second mounting blocks (241) be equipped with 7th driving wheel (2411) of the second rotating electric machine transmission cooperation, third connection roller (23) are equipped with and the described 7th The 8th driving wheel (231) that driving wheel (2411) matches, the 8th driving wheel (231) side wall are equipped with the first connector sleeve (232), first connector sleeve (232) is equipped with the second connecting rod (233), and second connecting rod (233) connects with one the 4th It connects roller (27) to be connected, the third crawler belt (28) is sheathed on third connection roller (23) and the 4th connection roller (27).

7. a kind of electric wheelchair according to claim 6, it is characterised in that: be equipped with the in first mounting blocks (242) One rotating electric machine, first mounting blocks (242) are equipped with the 9th driving wheel matched with first rotating electric machine (2421), the tenth driving wheel with the 9th driving wheel (2421) transmission cooperation is arranged in second connection roller (22) (221), the tenth driving wheel (221) side wall is equipped with the second connector sleeve (222), and second connector sleeve (222) is equipped with Third connecting rod (223), the third connecting rod (223) connect roller (210) with one the 5th and are connected, second crawler belt (220) It is sheathed in the 5th connection roller (210).

8. a kind of electric wheelchair according to claim 7, it is characterised in that: first connector sleeve (232) rotatably sets In in third connection roller (23), second connector sleeve (222) is rotatably set in second connection roller (22).

9. a kind of electric wheelchair according to claim 2, it is characterised in that: the first connecting rod (24) is equipped with first Housing (243) and the second housing (244), first housing (243) are set to above second connection roller (22), and described second Housing (244) is set to above third connection roller (23).