TWM559163U - Foldable wheelchair - Google Patents

Abstract

The present invention is a folding wheelchair comprising a left frame, a right frame, and a folding device connecting the left frame and the right frame; wherein the footrests disposed on the left frame and the right frame are also foldable. The left frame and the right frame of the wheelchair of the device are provided with rotating struts, and the slewing pedals provided on the rotating struts enable the pedals to be folded after folding the wheelchair, thereby reducing the wheelchair occupancy after folding. Space.

Description

Folding wheelchair

The present invention relates to a wheelchair, and in particular to a wheelchair that can be folded.

At present, some wheelchairs in the existing market are foldable, but the pedals at the front end of the wheelchair are generally not foldable, which makes the wheelchair impossible to fold due to the pedals, and the volume occupied by the wheelchair after folding is large, which is not conducive to placement. . In view of the above shortcomings, the creator actively researches and innovates in order to create a new type of folding wheelchair, which makes it more industrially valuable.

In order to solve the above technical problems, the object of the present invention is to provide a wheelchair capable of folding a foot pedal.

The technical solution of the present invention is a folding wheelchair comprising a left frame, a right frame, and a folding device connecting the left frame and the right frame, wherein the left frame includes a first left strut 1 and a second left strut 3 a third left strut 5 and a fourth left strut 7; wherein the third left strut 5 is vertically disposed, and the first left strut 1 and the fourth left strut 7 are horizontally disposed and vertically connected a third left strut 5; the first left strut 1 is located below the fourth left strut 7, the length of the fourth left strut 7 is smaller than the length of the first left strut 1; The second left strut 3 is curved, one end of which is connected to one end of the first left strut 1 and the other end is connected to the third left One end of the fourth left strut 7 is connected to the second left strut 3; the first left strut 1 is connected with a first left leg 9 and the rear end is connected with a left side. a rear wheel 26; the right frame includes a first right strut 2, a second right strut 4, a third right strut 6, and a fourth right strut 8; wherein the third right strut 6 is vertically disposed, The first right strut 2 and the fourth right strut 8 are horizontally disposed to vertically connect the third right strut 6; the first right strut 2 is located below the fourth right strut 8 The length of the fourth right strut 8 is smaller than the length of the first right strut 2; the second right strut 4 is curved, one end of which is connected to one end of the first right strut 2, and the other end is connected to One end of the fourth right strut 8 is connected to the second right strut 4; the second right leg 10 is connected to the front end of the first right strut 2, The rear rear end is connected to the right rear wheel 25.

The folding device includes two second buckles 16 disposed on the first left strut 1 and the fourth left strut 7, and disposed on the first right strut 2 and the fourth right Two struts 8 are disposed on the struts 8; the first struts 17 are movably connected to the second buckle 16 disposed on the first left struts 1 and the fourth right struts 8 are disposed The first buckle 14 is movably connected to the second buckle 16 disposed on the fourth left strut 7 and the first buckle 14 on the first right strut 2; The intersection of a rod 17 and the second rod 15 is movably connected by a movable nut.

A foldable pedal is disposed on both the left frame and the right frame.

The foldable pedal on the left frame includes a nut 11 disposed on the first left strut 1 and provided with a movable arrangement, the nut 11 is connected to the left rotating strut 12, and the left rotating strut 12 is disposed at The inside of the first left strut 1; the left swivel strut 12 includes a curved portion and a straight portion, the curved portion connecting the nut 11, A second left fixing rod 121 is further connected to the curved portion, the second left fixing rod 121 is perpendicular to the first left supporting rod 1; and the second left fixing rod 121 is provided with a left stopping block 122. The left stopper (122) is engageable with the second left strut 3; the first left fixing rod 123 is also vertically connected to the straight portion. The upper sleeve is provided with a left foot pedal 124 rotatable around the first left fixing rod 123.

A foldable pedal located on the right frame includes a nut 11 disposed on the first right strut 2 and provided with a movable arrangement, the nut 11 is connected to a right rotary strut 13, and the right rotary strut 13 is disposed at Inside the first right strut 2, the right swivel strut 13 includes a curved portion and a straight portion, the curved portion is connected to the nut 11, and the curved portion is further connected with a second right fixing a rod 133, the second right fixing rod 133 is perpendicular to the first right strut 2; the second right fixing rod 133 is provided with a right stopper 134, and the right stopper 134 is engageable a second right strut 4; a straight portion is also perpendicularly connected to a first right fixing rod 131, and the first right fixing rod 131 is sleeved to be rotatable about the first right fixing rod 131. Right foot pedal 132.

Further, a seat cloth 18 is mounted on the fourth left strut 7 and the fourth right strut 8.

Further, a back cloth 19 is installed between the third left strut 5 and the third right strut 6.

Further, the second left strut 3 and the second right strut 4 are respectively mounted with the armrest 20 parallel to the horizontal direction.

Further, a baffle 21 is mounted on the four left support rods 7 and the fourth right support rod 8, and the baffle 21 is perpendicular to a horizontal plane.

Further, a handle 22 is mounted on the third left strut 5 and the third right strut 6 , and the handle 22 is provided with a first brake 23 .

Further, the left rear wheel 26 and the right rear wheel 25 are both provided with a second brake 24.

With the above solution, the present invention has at least the following advantages: the left frame and the right frame of the wheelchair of the device are provided with a rotating strut, and the pedals are folded after being folded by the rotating pedal provided on the rotating strut It can also be folded to reduce the space occupied by the wheelchair after folding.

1‧‧‧First left pole

2‧‧‧First right pole

3‧‧‧Second left pole

4‧‧‧Second right pole

5‧‧‧ Third left strut

6‧‧‧The third right pole

7‧‧‧fourth left strut

8‧‧‧fourth right pole

9‧‧‧First left foot

10‧‧‧Second right foot

11‧‧‧ nuts

12‧‧‧ Left Rotating Strut

121‧‧‧Second left fixed rod

122‧‧‧Left block

123‧‧‧First left fixed rod

124‧‧‧ Left foot pedal

13‧‧‧Right rotating pole

131‧‧‧First right fixed rod

132‧‧‧right pedal

133‧‧‧Second right fixed rod

134‧‧‧Right stop

14‧‧‧First buckle

15‧‧‧Second pole

16‧‧‧Second buckle

17‧‧‧First pole

18‧‧‧Seat cloth

19‧‧‧Back cloth

20‧‧‧Handrail

21‧‧‧Baffle

22‧‧‧Hands

23‧‧‧First brake

24‧‧‧second brake

25‧‧‧Right rear wheel

26‧‧‧ Left rear wheel

Figure 1 is a perspective view of the main structure of the main structure; Figure 2 is a schematic view of the main structure of the present creation;

The specific implementation of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present work, but are not intended to limit the scope of the present work.

Referring to Figures 1 and 2, a folding wheelchair according to a preferred embodiment of the present invention includes a left frame, a right frame, and a folding device connecting the left and right frames.

The left frame includes a first left strut 1, a second left strut 3, a third left strut 5, and a fourth left strut 7, wherein the third left strut 5 is vertically disposed, the first The left strut 1 and the fourth left strut 7 are horizontally disposed and vertically connected to the third left strut 5, the first left strut 1 is located below the fourth left strut 7, the fourth left The length of the strut 7 is smaller than the length of the first left strut 1, and the second left strut 3 is curved, one end of which is connected to one end of the first left strut 1, and the other end is connected to the first One end of the fourth left strut 7 on the three left strut 5 Connected to the second left strut 3, the front end of the first left strut 1 is connected with a first left leg 9 and the rear end is connected with a left rear wheel 26.

The right frame includes a first right strut 2, a second right strut 4, a third right strut 6, and a fourth right strut 8, wherein the third right strut 6 is vertically disposed, the first The right strut 2 and the fourth right strut 8 are horizontally disposed and vertically connected to the third right strut 6, the first right strut 2 being located below the fourth right strut 8, the fourth right The length of the strut 8 is smaller than the length of the first right strut 2, and the second right strut 4 is curved, one end of which is connected to one end of the first right strut 2, and the other end is connected to the first One end of the fourth right strut 8 is connected to the second right strut 4, and the front end of the first right strut 2 is connected with a second right leg 10, and the rear end is connected. There is a right rear wheel 25.

The folding device includes two second buckles 16 disposed on the first left strut 1 and the fourth left strut 7, and disposed on the first right strut 2 and the fourth right Two struts 8 are disposed on the struts 8; the first struts 17 are movably connected to the second buckle 16 disposed on the first left struts 1 and the fourth right struts 8 are disposed The first buckle 14 is movably connected to the second buckle 16 disposed on the fourth left strut 7 and the first buckle 14 on the first right strut 2; a joint of a rod 17 and a second rod 15 is movably connected by a movable nut;

a foldable pedal is disposed on the left frame and the right frame; the foldable pedal on the left frame includes a nut 11 disposed on the first left strut 1 and disposed with an active setting, the nut 11 is connected a left rotating strut 12 disposed inside the first left strut 1; the left rotating strut 12 including a curved portion and a straight portion, the curved portion connecting the nut 11, A second left fixing rod 121 is further connected to the curved portion, the second left fixing rod 121 is perpendicular to the first left supporting rod 1; and the second left fixing rod 121 is provided with a left stopping block 122. The left stopper 122 is engageable with the second left strut 3; the first left fixing rod 123 is vertically connected to the straight portion, and the first left fixing rod 123 is sleeved. Provided with a left footrest 124 rotatable about the first left fixed rod 123; a foldable step on the right frame includes a nut 11 disposed on the first right strut 2 with an active setting The nut 11 is connected to a right rotary strut 13 which is disposed inside the first right strut 2; the right rotary strut 13 includes a curved portion and a straight portion, the curved Partially connecting the nut 11, the curved portion is further connected with a second right fixing rod 133, the second right fixing rod 133 is perpendicular to the first right strut 2; the second right fixing rod a right stopper 134 is disposed on the 133, and the right stopper 134 is engageable on the second right strut 4; the straight portion On the right is also connected to a first fixed vertical rod 131, the first right fixing rod 131 is provided with a sleeve rotatable about said first fixed shaft 131 of the right foot pedal 132.

A seat cloth 18 is mounted on the fourth left strut 7 and the fourth right strut 8.

A back cloth 19 is mounted between the third left strut 5 and the third right strut 6.

An armrest 20 parallel to the horizontal direction is mounted on the second left strut 3 and the second right strut 4.

A baffle 21 is mounted on each of the four left strut 7 and the fourth right strut 8, and the baffle 21 is perpendicular to a horizontal plane.

A handle 22 is mounted on each of the third left strut 5 and the third right strut 6 , and the handle 22 is provided with a first brake 23 .

A second brake 24 is disposed on both the left rear wheel 26 and the right rear wheel 25.

The working principle of the present creation is as follows: the pedals on the right rotary struts 13 and the left rotary struts 12 are rotated parallel to the plane in which the frame is located, and the left and right stops 122 and 134 are removed from the struts. The right rotating strut 13 and the left rotating strut 12 are turned backwards. The wheelchair is lifted from the middle of the seat cloth and the wheelchair is folded by means of a folding device arranged in a cross.

The present invention has at least the following advantages: the left frame and the right frame of the wheelchair of the device are provided with a rotating strut, and the pedal can also be folded after being folded by the rotatable foot pedal provided on the rotating strut. Reduce the space occupied by the wheelchair after folding.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present creation. It should be noted that those skilled in the art can make some improvements without departing from the principle of the prior art. And variants, these improvements and variations should also be considered as protection of this creation.

Claims (7)

A folding wheelchair comprising a left frame, a right frame, and a folding device connecting the left frame and the right frame, wherein the left frame comprises a first left strut, a second left strut, and a third left strut a fourth left strut, wherein the third left strut is vertically disposed, and the first left strut and the fourth left strut are horizontally disposed and vertically connected to the third left strut; a left strut is located below the fourth left strut, the fourth left strut has a length smaller than a length of the first left strut; the second left strut is curved, and one end is connected to the first One end of a left strut, the other end is connected to the third left strut, one end of the fourth left strut is connected to the second left strut; the front end of the first left strut is connected a first left leg having a left rear wheel connected to the rear end; the right frame includes a first right strut, a second right strut, a third right strut, and a fourth right strut; wherein the third right arm a rod is vertically disposed, the first right strut and the fourth right strut are horizontally disposed and vertically connected to the third right strut; the first right branch Located below the fourth right strut, the length of the fourth right strut is smaller than the length of the first right strut; the second right strut is curved, one end of which is connected to the first right branch One end of the rod is connected to the third right strut; one end of the fourth right strut is connected to the second right strut; the front end of the first right strut is connected with a second right a leg having a right rear wheel connected thereto; the folding device comprising two second buckles disposed on the first left support and the fourth left support, disposed on the first right branch Two first buckles are disposed on the rod and the fourth right strut; the first strut is movably connected to the second buckle disposed on the first left strut and disposed on the fourth right branch a first buckle on the rod; the second rod is movably connected to the second buckle disposed on the fourth left strut and the first buckle on the first right strut, the first strut and the first strut Two poles intersect a movable connection is performed by a movable nut; both the left frame and the right frame are provided with a foldable pedal; the foldable pedal located on the left frame includes a movable setting disposed on the first left support a nut connecting the left rotating strut, the left rotating strut being disposed inside the first left strut, the left rotating strut including a curved portion and a straight portion; the curved portion connecting portion a nut, the curved portion is further connected with a second left fixing rod, the second left fixing rod is perpendicular to the first left supporting rod, and the second left fixing rod is provided with a left stopping block. The left stopper may be engaged with the second left strut, and the straight portion is also vertically connected to a first left fixing rod, and the first left fixing rod upper sleeve is disposed to surround the a left foot pedal rotated by the first left fixing rod; a foldable pedal located on the right frame includes a nut disposed on the first right strut with a movable setting; the nut connecting the right rotating strut The right rotating strut is disposed at the first Inside the struts, the right rotating struts include a curved portion and a straight portion; the curved portion connects the nut, and the curved portion is further connected with a second right fixing rod, the second right fixing portion The rod is perpendicular to the first right strut, the second right fixing rod is provided with a right stopper, and the right stopper is engageable with the second right strut; the straight portion A first right fixing rod is also vertically connected, and the first right fixing rod upper sleeve is provided with a right foot pedal rotatable around the first right fixing rod. A folding wheelchair according to claim 1, wherein a seat cloth is mounted on the fourth left strut and the fourth right strut. A folding wheelchair according to claim 1, wherein a back cloth is installed between the third left strut and the third right strut. A folding wheelchair according to claim 1, wherein the second left strut and the second Armrests parallel to the horizontal direction are mounted on the right strut. A folding wheelchair according to claim 1, wherein a baffle is mounted on the fourth left strut and the fourth right strut, the baffle being perpendicular to a horizontal plane. A folding wheelchair according to claim 1, wherein a handle is mounted on the third left strut and the third right strut, and the handle is provided with a first brake. A folding wheelchair according to claim 1, wherein the left rear wheel and the right rear wheel are each provided with a second brake.