CN218792820U - Folding wheelchair - Google Patents

Abstract

The utility model discloses a folding wheelchair, which comprises a bracket, a left bracket body and a right bracket body, wherein the left bracket body and the right bracket body are respectively connected with a left wheel component and a right wheel component; the seat plate comprises a first plate body and a second plate body which are connected in a rotating mode, the first plate body is connected with the left support body in a rotating mode, and the second plate body is connected with the right support body in a rotating mode; the telescopic assembly comprises a first telescopic unit, a second telescopic unit and a limiting piece with a stroke slot, wherein the limiting piece is connected with the second telescopic unit, and part of the first telescopic unit extends into the stroke slot; the first and second telescopic units are V-shaped and have variable included angles; when the first plate body and the second plate body are unfolded for use, the end heads of the first telescopic unit and the second telescopic unit are stacked up and down; when the first plate body and the second plate body rotate and are folded, the second telescopic unit slides along the stroke groove, and the V-shaped included angles of the first telescopic unit and the second telescopic unit are reduced. The utility model has the advantages that the telescopic component has powerful supporting and bearing effect on the seat board, the seat board has high stability and good comfort; the bedplate design is accomodate for width direction's folding, has simplified overall structure.

Description

Folding wheelchair

Technical Field

The utility model belongs to the technical field of the wheelchair, especially, relate to a folding wheelchair.

Background

The wheelchair brings great convenience for the travel of people with mobility disabilities, the wheelchair is usually folded and transported by means of transportation in order to facilitate the transfer of the wheelchair, and for the folding of the wheelchair, the Chinese patent CN216823926U discloses an automatic folding electric wheelchair, wherein when the wheelchair is folded, the armrests, the armrest supporting rods, the cushion frame, the rear supporting arm and the front supporting arm are all folded, and the folding direction is the front-back direction of the wheelchair. That is to say, the whole body is divided into a multi-section structure, and the folding is realized by the movable connection among the sections, so that the stability is poor when the whole body is unfolded for use, and the folding operation is relatively complex due to a plurality of parts.

Chinese patent CN 216628939U discloses a foldable and liftable wheelchair for medical use, the folding direction of the wheelchair is the left and right direction of the wheelchair, and the folding is realized through a folding frame. But the cushion is made for flexible material, and the folding leg does not have direct contact's supporting effect to the cushion, and overall stability is not good, and the travelling comfort is relatively poor.

As China enters an aging society, wheelchairs are more and more important moving auxiliary instruments, as is well known, the wheelchair is a very tired work for caring people with inconvenient actions, and the convenience of using the wheelchair is particularly important; the wheelchair has the advantages that the comfort and the stability of the wheelchair are more important for people with inconvenient actions, so that the structure of the existing wheelchair needs to be optimized, the wheelchair is beneficial to caregivers and the users who are in charge of using the wheelchair, and the wheelchair is simple in structure, convenient to operate, good in stability, and has multiple functions of assisting in moving, electrically driving and assisting in rehabilitation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a folding wheelchair with simple structure, simple folding operation, a retractable component directly supporting a seat board and high structural stability.

The utility model provides a technical scheme that its technical problem adopted is: a folding wheelchair comprising:

the bracket comprises a left bracket body and a right bracket body which are respectively connected with a left wheel component and a right wheel component;

the seat plate comprises a first plate body and a second plate body which are connected in a rotating mode, the first plate body is connected with the left support body in a rotating mode, and the second plate body is connected with the right support body in a rotating mode;

the telescopic assembly comprises a first telescopic unit, a second telescopic unit and a limiting piece with a stroke slot, wherein the limiting piece is connected with the second telescopic unit, and part of the first telescopic unit extends into the stroke slot; the first telescopic unit and the second telescopic unit are V-shaped, and the included angle is variable;

when the first plate body and the second plate body are unfolded for use, the ends of the first telescopic unit and the second telescopic unit are stacked up and down and are arranged close to the center of the seat plate; when the first plate body and the second plate body rotate and are folded, the second telescopic unit slides along the stroke groove, and the V-shaped included angle of the first telescopic unit and the V-shaped included angle of the second telescopic unit are reduced.

The utility model arranges the telescopic component below the seat board to form a powerful supporting effect on the seat board, so that the seat board can be more comfortable and stable to take, the seat board is designed to be folded and stored in the width direction, the support does not need to be folded and stored, the whole structure is simplified, and the structural stability of the support is ensured; the folding structure of the telescopic assembly is simple, the operation is convenient, the first telescopic unit and the second telescopic unit are of V-shaped structures with opposite opening directions, and finally are unfolded to form a stable X-shaped structure, so that the bearing of the seat plate is firm.

Furthermore, the folding seat further comprises a locking unit which is rotatably connected with the seat plate and is provided with a locking convex part which can be abutted against the second telescopic unit. The locking convex part can ensure that the second telescopic unit approaches to the direction of the seat plate, so that the telescopic component cannot be separated from the seat plate, and the seat plate is ensured to be firmly supported; meanwhile, the seat board hooks the second telescopic unit, and the two telescopic units are just locked with each other due to different folding directions, so that the structure is stable; the wheelchair is unlocked through the locking convex part and the key, so that the folding operation of the wheelchair is simpler.

Further, first flexible unit includes first axis of rotation, first upper connector, the first body of rod that links to each other with first upper connector, the first connector that links to each other with the coaxial rotation of first upper connector, and the second body of rod that links to each other with first connector, first connector extends and forms the carriage, the locating part passes the carriage, and first axis of rotation passes the locating part and extends to the carriage. The first rod body and the second rod body of the first telescopic unit are connected in a rotating mode through the first upper connector and the first lower connector, the connecting structure is simple and effective, and the first upper connector and the first lower connector also increase the stability of the whole structure of the first telescopic unit.

Furthermore, the second telescopic unit comprises a second rotating shaft, a second upper connector, a third rod body connected with the second upper connector, a second lower connector coaxially and rotatably connected with the second upper connector, and a fourth rod body connected with the second lower connector; when the first plate body and the second plate body are unfolded for use, the second upper connector is abutted to the connecting frame. The locating part extends along the length direction of bedplate, and it links to each other with the flexible unit of second to pass the carriage of first flexible unit, can restrict the first flexible unit and the flexible unit of second along the extending direction translation activity of locating part, make the telescopic subassembly can draw in to each body of rod roughly parallel near, whole spare part is few, draws in back small.

Furthermore, the end parts of the first rod body and the third rod body are respectively and rotatably connected with the left bracket body, and the end parts of the second rod body and the fourth rod body are respectively and rotatably connected with the right bracket body; the locating part extends along the length direction of the seat board, and a bearing is sleeved outside the first rotating shaft and matched with the stroke groove. The friction force between the stroke groove and the first rotating shaft can be reduced by the arrangement of the bearing, and the wheelchair can be smoothly folded or unfolded.

Furthermore, the seat board is provided with a limiting groove, and when the first board body and the second board body are unfolded for use, at least parts of the first telescopic unit and the second telescopic unit are clamped into the limiting groove. The spacing groove is with the restriction of the first body of rod and the second body of rod at the expansion state, also restricts the third body of rod and the fourth body of rod at the expansion state, guarantees the steadiness when the bedplate expandes the use.

Further, the support piece is connected with the left support body and the right support body in a foldable mode. The support member may support the waist of the occupant so that comfort is improved.

Further, the left support body and the right support body are detachably connected with the pillow part and/or the pushing part. The head of the rider can lean against the pillow part, so that the comfort is higher; the push handle part can conveniently push the wheelchair, and when the push handle part faces the seat plate, the wheelchair can be used as a rehabilitation chair, so that the center of gravity of the wheelchair is more stable, and the safety performance is higher.

Furthermore, the left bracket body comprises a supporting means, a vertical section connected with the seat board and a connecting section bent and extended from the vertical section, and a front left wheel and a rear left wheel of the left wheel assembly are respectively connected with the vertical section and the connecting section; the supporting means, the vertical section and the connecting section are integrally formed; the rear left wheel is provided with an auxiliary wheel. The left support body is simple in overall structure and stable in support, and after the seat plate is folded, the left support body and the right support body can be drawn together for storage, so that the storage volume is small; each part integrated into one piece of left socle body, the structure steadiness is high, has reduced the spare part quantity of assembly, and in addition, the support is not folding in the direction of height when folding, and whole height is unchangeable, if the unchangeable people of action operate by oneself folding, even if can still support the human body after folding, avoided the operation of bowing.

Furthermore, still include pedal assembly, it is including connecting in the groove of hanging of support, adaptor, and the running-board, the running-board has the cylindricality section, adaptor inside form can with hang groove complex jut, supply the male installation passageway of cylindricality section, and lead to the groove at the L font of installation passageway lateral wall, the cylindricality section has the lockpin, and offsets with the elastic component, and this elastic component offsets with the adaptor, and this lockpin can be at the logical inslot activity of L font to draw in or expand the running-board. The pedal assembly can also be folded, the folding operation is simple, and the folding state or the unfolding state can be kept without an additional locking structure.

The utility model has the advantages that the telescopic component has a powerful supporting and bearing effect on the seat board, the seat board has higher stability and better comfort; the seat board is designed to be folded and stored in the width direction, the support does not need to be folded and stored, the overall structure is simplified, and the structural stability of the support is ensured; the folding structure of the telescopic assembly is simple, and the operation is convenient.

Drawings

Fig. 1 is a first perspective view of the present invention, in which the pushing part is away from the seat plate.

Fig. 2 is a second perspective view of the present invention, in which the handle part is away from the seat plate.

Fig. 3 is a third perspective view of the present invention, in which the pushing part faces the seat plate.

Fig. 4 is a perspective view of the present invention in a folded state.

Fig. 5 is a schematic perspective view of the present invention with the seat plate and the supporting member removed.

Fig. 6 is a schematic perspective view of the present invention without the seat plate and the supporting member.

Fig. 7 is a schematic perspective view of the present invention with the seat plate, the pillow part and the supporting member removed.

Fig. 8 is a schematic perspective view of the second plate body and the supporting member of the seat plate according to the present invention.

Fig. 9 is an enlarged view of a structure in fig. 8.

Fig. 10 is a schematic bottom perspective view of the present invention.

Fig. 11 is an exploded schematic view of the middle telescopic assembly of the present invention.

Fig. 12 is a schematic view of the partially exploded structure of the footrest assembly of the present invention.

Fig. 13 is an enlarged view of the structure at B in fig. 12.

Fig. 14 is a schematic perspective view of a connecting member according to the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the folding wheelchair comprises a support 1, a seat plate 3, and a telescopic assembly 4 disposed at the bottom of the seat plate 3, wherein the support 1 comprises a left support body 11 and a right support body 12, the left support body 11 is connected with a left wheel assembly 21, the left wheel assembly 21 comprises a front left wheel 211 and a rear left wheel 212, the right support body 12 is connected with a right wheel assembly 22, and the right wheel assembly 22 comprises a front right wheel 221 and a rear right wheel 222.

The seat plate 3 comprises a first plate 31 and a second plate 32 which are connected in a rotating manner, the first plate 31 is connected with the left bracket body 11 in a rotating manner, and the second plate 32 is connected with the right bracket body 12 in a rotating manner. In the present embodiment, the first plate 31 and the second plate 32 are both rectangular.

As shown in fig. 5, 6 and 10, the telescopic assembly 4 includes a first telescopic unit 5, a second telescopic unit 6 and a limiting member 7 with a travel slot 71, the first telescopic unit 5 is in a V shape as a whole, an included angle of the V shape is variable, the second telescopic unit 6 is also in a V shape, an included angle of the V shape is variable, and openings of the first telescopic unit 5 and the second telescopic unit 6 face in opposite directions. The limiting member 7 is connected with the first telescopic unit 5, and part of the second telescopic unit 6 extends into the stroke slot 71 of the limiting member 7.

When the first board body 31 and the second board body 32 are unfolded for use, that is, when the first board body 31 and the second board body 32 are approximately on the same horizontal plane, the ends of the first telescopic unit 5 and the second telescopic unit 6 are stacked up and down and are arranged close to the center position of the seat board 3, the stacking up and down is not necessarily complete overlapping, but approximately approaches to the stacking up and down, and the V-shapes of the first telescopic unit 5 and the second telescopic unit 6 are both opened at a large angle; when the first plate 31 and the second plate 32 are rotated and folded, specifically, in this embodiment, one side of the first plate 31 connected to the second plate 32 is folded upwards, the V-shaped included angle of the first telescopic unit 5 is reduced, the closed end thereof moves to the rear side of the seat plate 3, the V-shaped included angle of the second telescopic unit 6 is also reduced, and the second telescopic unit 6 slides along the stroke groove 71, and the closed end thereof moves to the front side of the seat plate 3.

In order to keep the first telescopic unit 5 and the second telescopic unit 6 in the unfolded use state, the seat plate 3 further comprises a locking unit 8 which is rotatably connected to the seat plate 3 and is provided with a locking protrusion 81 which can be abutted against the second telescopic unit 6, as shown in fig. 5, that is, the locking protrusion 81 hooks the second telescopic unit 6 upwards, so that the second telescopic unit 6 is attached to the first telescopic unit 5 in the direction of the seat plate 3 as much as possible.

Specifically, as shown in fig. 5-9 and 11, the first telescopic unit 5 includes a first rotating shaft 51, a first upper connector 52, a first rod 53 connected to the first upper connector 52, a first lower connector 54 coaxially and rotatably connected to the first upper connector 52, and a second rod 55 connected to the first lower connector 54, wherein the first upper connector 52 and the first lower connector 54 are rotatably connected through the first rotating shaft 51. The end of the first rod 53 is rotatably connected to the left bracket body 11, and the end of the second rod 55 is rotatably connected to the right bracket body 12.

The second telescopic unit 6 includes a second rotating shaft 61, a second upper connector 62, a third rod 63 connected to the second upper connector 62, a second lower connector 64 coaxially and rotatably connected to the second upper connector 62, and a fourth rod 65 connected to the second lower connector 64, wherein the second upper connector 62 and the second lower connector 64 are rotatably connected to each other via the second rotating shaft 61. The end of the third rod 63 is rotatably connected to the left bracket body 11, and the end of the fourth rod 65 is rotatably connected to the right bracket body 12. The second upper connecting head 62 is formed with a locking notch 621 engaged with the locking protrusion 81, the locking notch 621 has a width corresponding to the width of the locking protrusion 81, the opening of the locking notch 621 faces downward, the upper portion of the locking notch is closed, and the locking protrusion 81 enters the locking notch 621 from the opening and abuts against the closed end of the upper portion.

A connecting frame 56 is formed by extending below the first lower connecting head 54, the limiting member 7 passes through the connecting frame 56, the width of the limiting member 7 is substantially equal to the width inside the connecting frame 56, and the end of the limiting member 7 is connected to the second expansion unit 6 through a second rotating shaft 61, which may be specifically connected to a second upper connecting head 62. The first rotating shaft 51 extends all the way down through the travel slot 71 of the limiting member 7 to connect with the connecting frame 56. The stopper 7 extends along the longitudinal direction of the seat plate 3, and more in the rear portion of the seat plate 3, in order to reduce the friction between the first rotating shaft 51 and the inner wall of the stroke slot 71 and to ensure the smooth folding and unfolding of the wheelchair, a bearing 57 is externally sleeved on the first rotating shaft 51, and the bearing 57 is in sliding rolling fit with the inner wall of the stroke slot 71.

When first plate body 31 and second plate body 32 expand and use, connector 62 offsets with the carriage 56 on the second to first telescoping unit 5 and second telescoping unit 6 form spacingly, can expand better and form the support to bedplate 3. Meanwhile, a limiting groove 33 can be formed in the bottom surface of the seat plate 3, when the first plate 31 and the second plate 32 are unfolded for use, the first rod 53 and the second rod 55 of the first telescopic unit 5 fall into the limiting groove 33, that is, an included angle between the first rod 53 and the second rod 55 is determined, and no deviation or shaking occurs. Because the second telescopic unit 6 is stacked below the first telescopic unit 5, although the third rod 63 and the fourth rod 65 cannot fall into the limiting groove 33, the sleeve 631 can be sleeved on the third rod 63 and the fourth rod 65, the sleeve 631 falls into the limiting groove 33, a stable limiting effect is formed, and the overall structure is more stable.

In order to improve the comfort, the folding wheelchair further comprises a support 13 foldably connected between the left support body 11 and the right support body 12, and the support is made of a flexible material, specifically, a cloth, or of other structures as long as the support can be longitudinally folded. The specific connection mode can be a connection mode in the prior art such as a magic tape.

The foldable wheelchair further comprises a pillow part 14 detachably connected to the left support body 11 and the right support body 12, the pillow part comprises a U-shaped support 141 and a pillow 142 connected to the U-shaped support 141, and a plurality of mounting holes 143 are formed in the height direction of the U-shaped support 141.

The foldable wheelchair further comprises a pushing hand part 15 detachably connected to the left support body 11 and the right support body 12, specifically, as shown in fig. 7, an adapter sleeve 151 is connected to the top ends of the left support body 11 and the right support body 12, the pushing hand part 15 is of a 7-shaped structure, and one end of the pushing hand part can be inserted into the adapter sleeve 151. When the hand pushing part 15 faces the seat plate 3, the wheelchair can be used as a rehabilitation cart, as shown in fig. 3, the rehabilitation trainer stands on one side of the seat plate 3 and holds the hand pushing part 15, and the whole gravity center is more stable. When the pushing hand part 15 is away from the seat plate 3, a person can hold the pushing hand part 15 to push the wheelchair, as shown in fig. 2, and the rehabilitation trainee sits on the wheelchair.

In order to adjust the relative height of the pillow part 14, a locking key 152 is rotatably connected to the pushing part 15, a positioning sleeve 153 is sleeved outside the U-shaped bracket 141, a through hole is formed in the positioning sleeve 153, and a locking column on the locking key 152 can penetrate through the through hole and then be inserted into the mounting holes 143 with different heights, so that the height of the pillow part 14 can be adjusted.

As shown in fig. 7, the left bracket body 11 includes a substantially horizontally extending armrest 111, a vertical section 112 connected to the seat plate 3, and a connecting section 113 bent and extending rearward from the vertical section 112, a front left wheel 211 and a rear left wheel 212 of the left wheel assembly 21 are connected to the vertical section 112 and the connecting section 113, respectively, and the armrest section 111, the vertical section 112, and the connecting section 113 may be integrally formed. To improve stability, an auxiliary wheel 213 is provided on the rear left wheel 212. The right bracket body 12 and the left bracket body 11 are symmetrically arranged, and detailed description is omitted.

As shown in fig. 12-14, the foldable pedal includes a hanging slot 91 connected to the bottom end of the right bracket body 12, an adapter 92, and a pedal 93, the pedal 93 has a column section 931, a protrusion 921 capable of being inserted into the hanging slot 91 from top to bottom is formed inside the adapter 92, a mounting channel 922 for the column section 931 to be transversely inserted into, and an L-shaped through slot 923 formed in a sidewall of the mounting channel 922, the column section 931 has a lock pin 932 and abuts against an elastic element 953, the elastic element 953 abuts against the inside of the adapter 92, the lock pin 932 penetrates out of the L-shaped through slot 923 and can move in the L-shaped through slot 923, so as to fold or unfold the pedal 93. Specifically, when the pedal plate 93 is in the unfolded use state, the lock pin 932 is located at the end of the transverse portion of the L-shaped through groove 923, external force is applied to move the pedal plate 93 backwards, that is, to the direction of the rear wheel, so that the lock pin 932 is separated from the transverse portion of the L-shaped through groove 923 to enter the longitudinal portion, and then the external force is applied to rotate the pedal plate 93 clockwise or counterclockwise, so that the lock pin 932 is located at the end of the longitudinal portion, the pedal plate 93 is in the folded state, and due to the elastic force of the elastic member 953, the lock pin 932 can be kept in the folded state.

When the folding wheelchair needs to be folded to the state shown in fig. 4, one end of the pillow part 14 is separated from the left bracket body 11 or the right bracket body 12, and the pedal assembly 9 is rotated to be folded; the locking unit 8 is rotated by applying an external force, so that the locking convex part 81 is separated from the locking notch 621, at this time, the locking of the seat plate 3 and the telescopic assembly 4 is released, the connecting side of the first plate 31 and the second plate 32 is upwardly arched and folded, meanwhile, the first rod body 53 and the second rod body 55 of the first telescopic unit 5 are rotated and folded, the third rod body 63 and the fourth rod body 65 of the second telescopic unit 6 are rotated and folded, and the second telescopic unit 6 slides along the stroke slot 71, so that the seat plate 3 is folded and folded in the width direction, and the left bracket body 11 and the right bracket body 12 are close to and folded.

The above detailed description is provided to illustrate the present invention, and not to limit the present invention, and any modifications and changes made by the present invention are within the spirit and scope of the claims.

Claims (10)

1. A folding wheelchair, comprising:

the support (1) comprises a left support body (11) and a right support body (12), which are respectively connected with a left wheel component (21) and a right wheel component (22);

the seat plate (3) comprises a first plate body (31) and a second plate body (32) which are connected in a rotating mode, the first plate body (31) is connected with the left support body (11) in a rotating mode, and the second plate body (32) is connected with the right support body (12) in a rotating mode;

the telescopic assembly (4) comprises a first telescopic unit (5), a second telescopic unit (6) and a limiting piece (7) with a stroke groove (71), the limiting piece (7) is connected with the second telescopic unit (6), and part of the first telescopic unit (5) extends into the stroke groove (71); the first telescopic unit (5) and the second telescopic unit (6) are V-shaped, and the included angle is variable;

when the first plate body (31) and the second plate body (32) are unfolded for use, the ends of the first telescopic unit (5) and the second telescopic unit (6) are stacked up and down and are arranged close to the center of the seat plate (3); when the first plate body (31) and the second plate body (32) are rotated and folded, the second telescopic unit (6) slides along the stroke groove (71), and the V-shaped included angle of the first telescopic unit (5) and the second telescopic unit (6) is reduced.

2. The folding wheelchair as claimed in claim 1, wherein: and the seat plate is also provided with a locking unit (8) which is rotatably connected with the seat plate (3) and is provided with a locking convex part (81) which can be abutted against the second telescopic unit (6).

3. The folding wheelchair of claim 1, wherein: first telescopic unit (5) include first axis of rotation (51), first upper connector (52), first body of rod (53) that link to each other with first upper connector (52), first connector (54) that link to each other with first upper connector (52) coaxial rotation, and second body of rod (55) that link to each other with first connector (54), first connector (54) extend down and form link frame (56), locating part (7) pass link frame (56), and first axis of rotation (51) pass locating part (7) and extend to link frame (56).

4. The folding wheelchair as claimed in claim 3, wherein: the second telescopic unit (6) comprises a second rotating shaft (61), a second upper connector (62), a third rod body (63) connected with the second upper connector (62), a second lower connector (64) coaxially and rotatably connected with the second upper connector (62), and a fourth rod body (65) connected with the second lower connector (64); when the first plate body (31) and the second plate body (32) are unfolded for use, the second upper connecting head (62) is abutted against the connecting frame (56).

5. The folding wheelchair as claimed in claim 4, wherein: the end parts of the first rod body (53) and the third rod body (63) are respectively connected with the left bracket body (11) in a rotating way, and the end parts of the second rod body (55) and the fourth rod body (65) are respectively connected with the right bracket body (12) in a rotating way; the limiting piece (7) extends along the length direction of the seat plate (3), a bearing (57) is sleeved outside the first rotating shaft (51), and the bearing (57) is matched with the stroke groove (71).

6. The folding wheelchair as claimed in claim 1, wherein: the seat plate (3) is provided with a limiting groove (33), and when the first plate body (31) and the second plate body (32) are unfolded for use, at least parts of the first telescopic unit (5) and the second telescopic unit (6) are clamped into the limiting groove (33).

7. The folding wheelchair as claimed in claim 1, wherein: also comprises a supporting piece (13) which is connected with the left bracket body (11) and the right bracket body (12) in a foldable way.

8. The folding wheelchair as claimed in claim 1, wherein: also comprises an occipital part (14) and/or a pushing hand part (15) which are detachably connected with the left bracket body (11) and the right bracket body (12).

9. The folding wheelchair as claimed in claim 1, wherein: the left bracket body (11) comprises a supporting means (111), a vertical section (112) connected with the seat plate (3) and a connecting section (113) extending from the vertical section (112) in a bending way, and a front left wheel (211) and a rear left wheel (212) of the left wheel assembly (21) are respectively connected with the vertical section (112) and the connecting section (113); the supporting means (111), the vertical section (112) and the connecting section (113) are integrally formed; the rear left wheel (212) is provided with an auxiliary wheel (213).

10. The folding wheelchair as claimed in claim 9, wherein: still include pedal assembly (9), it is including connecting in hanging groove (91) of support (1), adaptor (92), and running-board (93), running-board (93) have cylindricality section (931), adaptor (92) inside formation can with hang groove (91) complex protuberance (921), supply cylindricality section (931) male installation passageway (922), and logical groove (923) in the L font of installation passageway (922) lateral wall, cylindricality section (931) have lockpin (932), and offset with elastic component (933), this elastic component (933) offsets with adaptor (92), and this lockpin (932) can be in the logical groove (923) internalization of L font to draw in or expand running-board (93).

Images