CN2530611Y - Double-functional folding pedal wheel-chair - Google Patents

Abstract

The utility model relates to a dual functional folding pedal wheel chair which comprises a wheel chair and a riding bike; the turning device of the wheel chair is hinge connected with the riding bike frame; the riding frame is provided with a single back wheel to form a tricycle design with two wheels in the front and one wheel in the back; the turning device is formed by a standing tube in the middle of the wheel chair frame and a turning sleeve which is hinge connected with the upper and lower flexible pins supported by the spring; a swing device is provided between the wheel chair frame and the double front wheel axis; the limiting position of swing to the front is in the middle part of the front wheel axis; the limiting position of swing to the back is the back side of the front wheel axis close to the wheel chair frame. The utility model can be assembled to a tricycle with the seat in the front and the rider feels comfortable. When the riding part is detached and swinging the wheel chair wheel to the back ward, the utility model is a standard wheel chair and has the full functions of a wheel chair. The utility model combines the functions of the tricycle and the wheel chair and the wheel chair part and the riding part can be folded and takes a small space.

Description

The collapsible pedal wheel Wheel-chair of two functions

Technical field

This utility model relates to wheelchair and tricycle, the collapsible pedal wheel Wheel-chair of specifically a kind of two functions.

Background technology

Along with China aged is increasing, market also increases day by day to the demand of the elderly's articles for use.Be fit at present the tricycle that the elderly rides and have only simple function, its layout be by bike saddle pro-, railway carriage after, when needing to install railway carriage additional seat when the shared car of some old man and wife, this seat backward-facing and make people's backward by bus feels very uncomfortable.In addition, some old people or cripple's walking inconvenience need be taken wheelchair, and existing wheelchair also is a simple function, when some family needs tricycle and wheelchair simultaneously, can only purchase respectively, has increased economic expenditure, and it is big to take up space, and use inconvenient.

Summary of the invention

Order of the present utility model is overcomes above-mentioned deficiency, provides a kind of two functions collapsible pedal wheel Wheel-chair, and it can be assembled into the tricycle of seat and people's face forward by bus easily, feels comfortable; It also easily dismounting be the wheelchair of standard, easy accessibility, quick; It can fold harvesting in time spent not, and it is little to take up space.

The purpose of this utility model is achieved in that

The collapsible pedal wheel Wheel-chair of a kind of two functions comprises wheelchair, the vehicle frame of riding, wheel, saddle, pedal and brake, it is characterized in that:

Described wheelchair is preposition, and its wheelchair frame is through the hinged vehicle frame of riding of dismountable transfer, and this vehicle frame of riding is installed single trailing wheel and constituted the place ahead two-wheel, the tricycle layout of rear single-wheel, this hind axle is through pedal and actuator drives trailing wheel, and this vehicle frame of riding is equipped with the seat pipe, this pipe clamp dress saddle;

Between wheelchair frame and two front wheels axle, be provided with swing mechanism, it is configured to: a left side, off-front wheel is contained on the front axle, these front axle two ends are respectively by a left side, the supporting of right pendulum plate, the affixed swing arm of this pendulum plate, this swing arm is articulated in the wheelchair frame bottom, this swing arm in addition end is sleeved on the arcuate guide rail and can swings, two extreme positions of its swing are located by the spring reset latch, the extreme position forward of this swing arm is that front axle is placed in the wheelchair frame near the center, and the wheel of this front-wheel along with the wheel of trailing wheel along on same horizontal plane, the lower edge of this front-wheel is higher than the lower edge of wheelchair universal wheel; The extreme position backward of this swing arm is the close wheelchair frame rear side of front axle, and this front-wheel separates with the universal wheel that is installed on vehicle frame the place ahead, and this two wheel of taking turns is along on same horizontal plane.

Being configured to of described dismountable transfer: there is standpipe at the middle part below wheelchair frame, this standpipe is upper and lower respectively angle bar frame, this angle bar frame is with the sleeve pipe that turns to of the hinged vehicle frame of riding of upper and lower flexible bearing pin of back-moving spring supporting, and this back-moving spring turns to the position plate supporting of passing bearing pin in the sleeve pipe and constitutes removably connecting of ride vehicle frame and wheelchair frame by being fixed in;

The structure of the described vehicle frame of riding is: it is by wheel carrier, back timber shaped as frame, connect roof beam structure and turn to sleeve pipe to form, this wheel carrier has a fork-shaped bottom girder, hind axle and actuating device are installed on this bottom girder, this bottom girder connects goes up fork and back vent, fork, back vent upper end and the handing-over of arc back timber this on, this bottom girder end and go up and pitch the top flat board is respectively arranged, this flat board connects the riser of roof beam structure with the folding hinged shaped as frame of transfer, this shaped as frame connect roof beam structure by riser, upper and lowerly connect beam, turn to that sleeve pipe is affixed to form; Being configured to of described folding transfer: one group of upper and lower flexible bearing pin is contained in the sleeve pipe and guide plate that is fixed in this riser, on the thin axle of the flexible bearing pin between this sleeve pipe and the guide plate, be set with back-moving spring, described flat board and riser and hinged with the riveting pin of parallel flexible bearing pin.

Described wheelchair frame is folding structure, it is configured to: it has left and right frame, this left and right framework is with the hinged recurvate handrail that makes progress of bracing frame, this left and right handrail bottom connects backboard, soft backrest is installed on top, and this left and right frame end face has with the hinged trailing arm plate of pairing page or leaf, respectively is set with rotating pedal support on the left and right preceding standpipe that this frame front end extends downwards, the hinged pedal of this pedal support, this pedal is located by horizontal bearing pin; A described left side, between the right frame a preceding left side is housed, right transverse tube, a middle left side, right transverse tube, a left side, back, right transverse tube, the affixed folding longitudinally mounting of this each transverse tube and constitute four frames, divide along folding mounting is vertically middle between these four frames, should be middle left, right transverse tube respectively connects an internal riser that stretches out downwards, hinged between these two internal risers with hinge, on this two internal riser, each affixed angle bar frame of lower end turns to sleeve pipe hinged with the vehicle frame of riding, this affixed one left side of stretching out downwards, four frame mid portion outsides, right external riser, the affixed wheelchair frame bottom, left of this external riser, right transverse tube, this bottom transverse tube is affixed with this preceding standpipe, in this bottom, left, a universal wheel is equipped with in right transverse tube end, on this left side, the rear end of correct frame is to the left side on downward edge, right standpipe lower end connects arc-shaped guide rail, and this arc-shaped guide rail is fixed in a left side, right external riser.

Described steering mechanism is provided with ropewinder, and it is configured to: connect same steel wire rope in the inner by the upper and lower flexible bearing pin of back-moving spring supporting, this steel cable passes the axle center of transverse axis of the turning handle of ropewinder.

The end crotch of the described vehicle frame of riding and go up the hinged upper and lower flexible bearing pin that shaped as frame connects in the beam riser sleeve pipe that is contained in of fork head slab and be connected in same steel wire rope, the axle center of the transverse axis of the turning handle of this steel wire penetrating one ropewinder by the back-moving spring supporting.

The actuating device of described trailing wheel is made of one group of deceleration transmission wheel, and this drive can be that sprocket wheel is paid, and also can be gear pair, and the active wheel disc connecting pin of this actuating device is pedaled crank, and the most last driven pulley of this actuating device connects the flywheel of hind axle.

Described pedal is a folding structure, it is configured to: be set with the pedal fixed cover that a connection pin is pedaled on the circular shaft of the end of pedal crank, this fixed cover outer face has gap corresponding with the alignment pin that is fixed in crank, and this crank circular shaft relevant position is provided with the flexible alignment pin by spring-loaded.

This utility model has the effect of following positive benefit:

1. when this car is normally assembled being one has the tricycle of seat to see Fig. 1, Fig. 2, seat pro-, cyclist after, it is particularly suitable for old man and wife and rides and go into the street, people's face forward feels comfortable by bus, the cyclist after ride conveniently.

2. the steering mechanism of this car is simple in structure, turns to flexible, light.

3. this car will have the part of riding of saddle and step tread plate to pull down, and the wheel chair wheel of front is swung backward, and the wheelchair that just becomes a standard is seen Fig. 8, has the repertoire of wheelchair.

4. this car integrates the function of tricycle and wheelchair, and a car is dual-purpose, can reduce investment outlay to the user.

5. Fig. 9, Figure 10, Figure 11 are seen in the wheelchair of this car part and all collapsible folding and unfolding of part of riding, and the occupation of land space is little.

Description of drawings

Fig. 1 is the structural representation that this utility model is assembled into tricycle embodiment;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the structural representation that turns to mechanism among Fig. 1, is the A-A partial sectional view of Fig. 1;

Fig. 4 is the ride foldable structure sketch map of vehicle frame of Fig. 1, is the B-B partial view of Fig. 1;

Fig. 5 is the C-C partial view of Fig. 4;

Fig. 6 is the structural representation of vehicle frame of riding among Fig. 1;

Fig. 7 is the structural representation of wheelchair frame among Fig. 1;

Fig. 8 removes the structural representation that the vehicle frame of riding reverts to wheelchair from Fig. 1;

Fig. 9 shows the vertical view of the vehicle frame of pulling down of riding after partially folded from Fig. 1;

The side view of the folded state of wheelchair shown in Figure 10 diagrammatic sketch 8;

Figure 11 is the right side view of Figure 10;

Figure 12 is the foldable structure sketch map of this utility model pedal.

Accompanying drawing number:

1. wheelchair

101. left and right frame 102. bracing frames 103. handrails

104. backboard 105. soft backrest 106. hinges

107. left and right transverse tubes before the trailing arm plate 108. left and right preceding standpipes 109.

110. in the left and right transverse tube 112. left and right folding mountings in left and right transverse tube 111. backs

113. internal riser 114. hinges 115. angle bar frames

116. in left and right transverse tube 118. arc-shaped guide rails in left and right external riser 117. bottoms

119. left and right rear profile tube 120. hinge pins

2. the vehicle frame of riding

201. wheel carrier 202. back timbers 203. turn to sleeve pipe

Fork 206. back vents on (204. fork-shaped) end crotch 205.

207. connect beam on dull and stereotyped 208. risers 209.

210. under connect 211. on beam pipe, 212. angle bar frames

3. detachable transfer

301. upper pin 302. lower bearing pins 303. back-moving springs

304. guide plate 305. spring reset latches 306. sleeve pipes

307. riveting pin 308. riveting pin seats 309. spring fastenings

4. swing mechanism

401. left and right pendulum plate 402. swing arms 403. arcuate guide rails

404. hinge pin

5. pedal frame

501. pedal 502. horizontal bearing pins

6. vehicle frame folding transfer

601. upper pin 602. lower bearing pins 603. back-moving springs

604. guide plate 605. sleeve pipes 606. riveting pin seats

607. riveting pin

7. ropewinder

701. steel wire rope 702. rotating shafts 703. turning handles

8. trailing wheel

801. hind axle 802. hind axle axle beds

9. front-wheel

901. front axle 902. Hand-push rings

10. saddle 11. universal wheels

12. actuating device

121. pedal crank 122. is wheel disc 123. change pulleys initiatively

124. driven flywheel 125. pedal fixed covers 126. alignment pins

127. flexible alignment pin 129. pedals of gap 128. bent spring-loadeds

The specific embodiment

Please refer to Fig. 1, Fig. 2, this utility model is the collapsible pedal wheel Wheel-chairs of a kind of two functions, comprises wheelchair 1, the vehicle frame 2 of riding, wheel 8,9, saddle 10, pedal 5 and brake;

Described wheelchair 1 is preposition, its wheelchair frame is through dismountable transfer 3 hinged vehicle frames 2 of riding, this vehicle frame of riding is installed single trailing wheel 8 and is constituted the place ahead two-wheel, the tricycle layout of rear single-wheel, this hind axle is through pedal and actuator drives trailing wheel 8, this vehicle frame 2 of riding is equipped with seat pipe 211, this pipe clamp dress saddle 10;

Please refer to Fig. 1, Fig. 7, between wheelchair frame and two front wheels axle 901, be provided with swing mechanism 4, it is configured to: a left side, off-front wheel 9 is contained on the front axle, these front axle 901 two ends are respectively by a left side, right pendulum plate 401 supportings, the affixed swing arm 402 of this pendulum plate, this swing arm 402 is articulated in the wheelchair frame bottom, this swing arm 402 end in addition is sleeved on the arcuate guide rail 403 and can swings, two extreme positions of its swing are by spring reset latch 305 location, the extreme position forward of this swing arm 402 is that front axle is placed in the wheelchair frame near the center, and the wheel of this front-wheel 9 along with the wheel of trailing wheel 8 along on same horizontal plane, the lower edge of this front-wheel is higher than the lower edge of wheelchair universal wheel 11; The extreme position backward of this swing arm 402 is front axle 901 close wheelchair frame rear sides, and this front-wheel 9 separates with the universal wheel 11 that is installed on vehicle frame the place ahead, and this two wheel of taking turns is seen Fig. 8 along on same horizontal plane and constitute a standard wheelchair.

Please refer to Fig. 3, being configured to of described dismountable transfer 3: there is standpipe 113 at the middle part below wheelchair frame, this standpipe 113 is upper and lower respectively angle bar frame 115, this angle bar frame 115 turns to sleeve pipe 203 with upper and lower flexible bearing pin 301, the 302 hinged vehicle frames of riding of back-moving spring 303 supporting, and this back-moving spring 303 constitutes removably connecting of ride vehicle frame 2 and wheelchair frame by being fixed in the position plate that passes bearing pin 304 supportings that turn in the sleeve pipe;

Please refer to Fig. 6, the structure of the described vehicle frame 2 of riding is: it is by wheel carrier 201, back timber 202 shaped as frames, connect roof beam structure and turn to sleeve pipe 203 to form, this wheel carrier has a fork-shaped bottom girder 204, hind axle 901 and actuating device 11 are installed on this bottom girder, this bottom girder 204 connects goes up fork 205 and back vent 206, should go up fork 205, back vent 206 upper ends and 202 handing-over of arc back timber, these bottom girder 204 ends reach upward, and fork 205 tops respectively have dull and stereotyped 207, this flat board 207 is to fold the riser 208 that transfer 3 hinged shaped as frames connect roof beam structure, and this shaped as frame connects roof beam structure by riser 208, on, under connect beam 209,210, turn to sleeve pipe 203 affixed forming; Being configured to of described folding transfer 6: one group of upper and lower flexible bearing pin 601,602 is contained in the sleeve pipe 605 and guide plate 604 that is fixed in this riser, on the thin axle of the flexible bearing pin between this sleeve pipe and the guide plate, be set with back-moving spring 603, described dull and stereotyped 207 with riser 208 and hinged with the riveting pin 607 of parallel flexible bearing pin 601,602.Structure after this tricycle dismounting is folding is seen Fig. 9.

Please refer to Fig. 2, Fig. 7, described wheelchair frame is folding structure, it is configured to: it has left and right frame 101, this left and right framework 101 is with the bracing frame 102 hinged recurvate handrails 103 that make progress, these left and right handrail 103 bottoms connect backboard 104, soft backrest 105 is installed on top, this left and right frame end face has with the hinged trailing arm plate 107 of pairing page or leaf 106, respectively be set with rotating pedal support 5 on the left and right preceding standpipe 108 that these frame 101 front ends extend downwards, the hinged pedal 501 of this pedal support, this pedal is by horizontal bearing pin 502 location; A described left side, between the right frame 101 a preceding left side is housed, right transverse tube 109, a middle left side, right transverse tube 110, a left side, back, right transverse tube 111, the affixed folding longitudinally mounting 115 of this each transverse tube and constitute four frames, divide along folding mounting is vertically middle between these four frames, should be middle left, right transverse tube 110 respectively connects an internal riser that stretches out 113 downwards, hinged between these two internal risers 113 with hinge 114, on this two internal riser, each affixed angle bar frame 115 of lower end turns to sleeve pipe 203 hinged with the vehicle frame 2 of riding, this affixed one left side of stretching out downwards, four frame mid portion outsides, right external riser 116, the affixed wheelchair frame bottom, left of this external riser, right transverse tube 117, this bottom transverse tube is affixed with this preceding standpipe 108, in this bottom, left, a universal wheel 11 is equipped with in right transverse tube end, on this left side, the rear end 116 of correct frame is to the left side on downward edge, right standpipe lower end connects arc-shaped guide rail 403, this arc-shaped guide rail is fixed in a left side, right external riser, the structure after this wheelchair is folding is seen Figure 10, Figure 11.

Please refer to Fig. 3, described steering mechanism 3 is provided with ropewinder 7, and it is configured to: connect same steel wire rope 701 in the inner by the upper and lower flexible bearing pin 301,302 of back-moving spring 303 supporting, this steel cable passes the axle center of transverse axis 702 of the turning handle 703 of ropewinder 7.

Please refer to Fig. 4, Fig. 5, the end crotch 204 of the described vehicle frame 2 of riding and go up the hinged upper and lower flexible bearing pin 601,602 that shaped as frame connects in the beam riser sleeve pipe that is contained in of fork head slab 207 and be connected in same steel wire rope 701, the axle center of the transverse axis 702 of the turning handle 703 of this steel wire penetrating one ropewinder 7 by back-moving spring 603 supportings.

Please refer to Fig. 1, the actuating device 12 of described trailing wheel is made of one group of deceleration transmission wheel, and this drive can be that sprocket wheel is paid, and also can be gear pair, the active wheel disc 122 of this actuating device connects pedal crank 121, and the most last driven pulley of this actuating device connects the flywheel 124 of hind axle.

Please refer to Figure 12, described pedal 121 is a folding structure, it is configured to: be set with a connection pin and pedal 129 pedal fixed cover 125 on the circular shaft of the end of pedal crank 121, this fixed cover outer face has gap 127 corresponding with the alignment pin 126 that is fixed in crank 121, and this crank circular shaft relevant position is provided with the flexible alignment pin 128 by spring-loaded.

Claims (8)

1. the collapsible pedal wheel Wheel-chair of function comprises wheelchair (1), the vehicle frame of riding (2), wheel (8,9), saddle (10), pedal (5) and brake, it is characterized in that:

Described wheelchair (1) is preposition, its wheelchair frame is through the hinged vehicle frame of riding of dismountable transfer (3) (2), this vehicle frame of riding is installed single trailing wheel (8) and is constituted the place ahead two-wheel, the tricycle layout of rear single-wheel, this hind axle is through pedal and actuator drives trailing wheel (8), this vehicle frame of riding (2) is equipped with seat pipe (211), this pipe clamp dress saddle (10);

Between wheelchair frame and two front wheels axle (901), be provided with swing mechanism (4), it is configured to: a left side, off-front wheel (9) is contained on the front axle, this front axle (901) two ends are respectively by a left side, right pendulum plate (401) supporting, this puts the affixed swing arm of plate (402), this swing arm (402) is articulated in the wheelchair frame bottom, other end of this swing arm (402) is sleeved on an arcuate guide rail (403) and goes up and can swing, two extreme positions of its swing are located by spring reset latch (305), the extreme position forward of this swing arm (402) is that front axle is placed in the wheelchair frame near the center, and the wheel of this front-wheel (9) along with the wheel of trailing wheel (8) along on same horizontal plane, the lower edge of this front-wheel is higher than the lower edge of wheelchair universal wheel (11); The extreme position backward of this swing arm (402) is the close wheelchair frame rear side of front axle (901), and this front-wheel (9) separates with the universal wheel that is installed on vehicle frame the place ahead (11), and this two wheel of taking turns is along on same horizontal plane.

2. the collapsible pedal wheel Wheel-chair of two functions as claimed in claim 1, it is characterized in that: being configured to of described dismountable transfer (3): there is standpipe (113) at the middle part below wheelchair frame, on this standpipe (113), angle bar frame (115) is respectively arranged down, this angle bar frame (115) is with in back-moving spring (303) supporting, following flexible bearing pin (301), (302) the hinged vehicle frame of riding turn to sleeve pipe (203), this back-moving spring (303) constitutes removably connecting of ride vehicle frame (2) and wheelchair frame by being fixed in the position plate that passes bearing pin (304) supporting that turns in the sleeve pipe;

3. the collapsible pedal wheel Wheel-chair of two functions as claimed in claim 1, it is characterized in that: the structure of the described vehicle frame of riding (2) is: it is by wheel carrier (201), back timber (202) shaped as frame, connect roof beam structure and turn to sleeve pipe (203) to form, this wheel carrier has a fork-shaped bottom girder (204), hind axle (901) and actuating device (11) are installed on this bottom girder, fork (205) and back vent (206) in this bottom girder (204) connection, should go up fork (205), back vent (206) upper end and arc back timber (202) handing-over, this bottom girder (204) end reaches upward, and flat board (207) is respectively arranged at fork (205) top, this flat board (207) is to fold the riser (208) that the hinged shaped as frame of transfer (3) connects roof beam structure, and this shaped as frame connects roof beam structure by riser (208), on, under connect beam (209), (210), turn to affixed the forming of sleeve pipe (203); Being configured to of described folding transfer (6): one group of upper and lower flexible bearing pin (601), (602) are contained in the sleeve pipe (605) and guide plate (604) that is fixed in this riser, on the thin axle of the flexible bearing pin between this sleeve pipe and the guide plate, be set with back-moving spring (603), described flat board (207) and riser (208) and hinged with the riveting pin (607) of parallel flexible bearing pin (601), (602).

4. the collapsible pedal wheel Wheel-chair of two functions as claimed in claim 1, it is characterized in that: described wheelchair frame is folding structure, it is configured to: it has a left side, right frame (101), this left side, correct frame (101) is with the hinged recurvate handrail (103) that makes progress of bracing frame (102), this left side, right handrail (103) bottom connects backboard (104), soft backrest (105) is installed on top, this left side, right frame end face has with the hinged trailing arm plate (107) of pairing page or leaf (106), the left side that this frame (101) front end extends downwards, respectively be set with rotating pedal support (5) on the right front standpipe (108), the hinged pedal of this pedal support (501), this pedal is located by horizontal bearing pin (502); A described left side, between the right frame (101) a preceding left side is housed, right transverse tube (109), a middle left side, right transverse tube (110), a left side, back, right transverse tube (111), the affixed folding longitudinally mounting (115) of this each transverse tube and constitute four frames, divide along folding mounting is vertically middle between these four frames, should be middle left, right transverse tube (110) respectively connects an internal riser that stretches out (113) downwards, hinged between these two internal risers (113) with hinge (114), on this two internal riser, each affixed angle bar frame (115) of lower end turns to sleeve pipe (203) hinged with the vehicle frame (2) of riding, this affixed one left side of stretching out downwards, four frame mid portion outsides, right external riser (116), the affixed wheelchair frame bottom, left of this external riser, right transverse tube (117), this bottom transverse tube is affixed with this preceding standpipe (108), in this bottom, left, a universal wheel (11) is equipped with in right transverse tube end, on this left side, the rear end of correct frame (116) is to the left side on downward edge, right standpipe lower end connects arc-shaped guide rail (403), and this arc-shaped guide rail is fixed in a left side, right external riser.

5. the collapsible pedal wheel Wheel-chair of two functions as claimed in claim 1 or 2, it is characterized in that: described steering mechanism (3) is provided with ropewinder (7), it is configured to: connecting same steel wire rope (701) by the upper and lower flexible bearing pin (301) of back-moving spring (303) supporting, the inner of (302), this steel cable passes the axle center of transverse axis (702) of the turning handle (703) of ropewinder (7).

6. the collapsible pedal wheel Wheel-chair of two functions as claimed in claim 1, it is characterized in that: the end crotch (204) of the described vehicle frame of riding (2) and go up hinged upper and lower flexible bearing pin (601), (602) that shaped as frame connects in the beam riser sleeve pipe that are contained in of fork head slab (207) and be connected in same steel wire rope (701), the axle center of the transverse axis (702) of the turning handle (703) of this steel wire penetrating one ropewinder (7) by back-moving spring (603) supporting.

7. the collapsible pedal wheel Wheel-chair of two functions as claimed in claim 1, it is characterized in that: the actuating device of described trailing wheel (12) is made of one group of deceleration transmission wheel, this drive can be that sprocket wheel is paid, it also can be gear pair, the active wheel disc (122) of this actuating device connects pedal crank (121), and the most last driven pulley of this actuating device connects the flywheel (124) of hind axle.

8. the collapsible pedal wheel Wheel-chair of two functions as claimed in claim 1, it is characterized in that: described pedal (121) is a folding structure, it is configured to: be set with the pedal fixed cover (125) that a connection pin is pedaled (129) on the end circular shaft of pedal crank (121), this fixed cover outer face has gap (127) corresponding with the alignment pin (126) that is fixed in crank (121), and this crank circular shaft relevant position is provided with the flexible alignment pin (128) by spring-loaded.

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