CN207940992U - A kind of fully collapsible invalid's chair - Google Patents

Abstract

The utility model relates to a folding wheelchair, comprising a left frame, a right frame, and a folding device connecting the left frame and the right frame, wherein the pedals arranged on the left frame and the right frame can also be folded. Both the left frame and the right frame of the wheelchair of this device are provided with rotating struts, and the rotatable foot pedals arranged on the rotating struts enable the pedals to be folded after being folded, reducing the space occupied by the wheelchair after folding. space.

Description

a folding wheelchair

technical field

The utility model relates to a wheelchair, in particular to a foldable wheelchair.

Background technique

At present, some wheels on the existing market can be folded, but the pedals at the front end of the wheelchair are generally not foldable, which makes the wheelchair cannot be folded due to the pedals, and the volume of the folded wheelchair takes up a lot of space, which is not conducive to swinging. put.

In view of the above-mentioned defects, this designer actively researches and innovates in order to create a folding wheelchair with a new structure, so that it has more industrial utilization value.

Utility model content

In order to solve the above-mentioned technical problems, the purpose of this utility model is to provide a wheelchair that can fold the pedals.

The technical scheme of the utility model is as follows:

A folding wheelchair, comprising a left frame, a right frame, and a folding device connecting the left frame and the right frame, characterized in that:

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) set vertically, the first left strut (1) and the fourth left strut (7) are horizontally arranged and vertically connected to the 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 less than the length of the first left strut (1), and the second left strut (3) It is arc-shaped, one end of which is connected to one end of the first left strut (1), one end is connected to the third left strut (5), and one end of the fourth left strut (7) is connected to the On the second left pole (3), the front end of the first left pole (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) set vertically, the first right strut (2) and the fourth right strut (8) are horizontally set and vertically connected to the third right strut (6), the first right strut (2) ) is located below the third right strut (6), the length of the fourth right strut (8) is less than the length of the first right strut (2), and the second right strut (4) It is arc-shaped, one end of which is connected to one end of the first right strut (2), one end is connected to the third right strut (6), and one end of the third right strut (6) is connected to the On the second right strut (4), the front end of the first right strut (2) is connected with a second right leg (10), and the rear end is connected with a right rear wheel (25);

The folding device includes two first buckles (14) arranged on the first left pole (1) and the fourth left pole (7), and two first buckles (14) arranged on the first right pole ( 2) and the fourth right pole (8) are provided with two second buckles (16), and the first pole (17) is flexibly connected to the first left pole (1). On the first buckle (14) and the second buckle (16) arranged on the fourth right pole (8), the second pole (15) is movably connected and arranged on the fourth left pole (7) On the first buckle (14) on the top and the second buckle (16) on the first right pole (2), the intersection of the first pole (17) and the second pole (15) passes through a The active nut is used for active connection;

Foldable pedals are arranged on the left frame and the frame;

The foldable pedal located on the left frame includes a movable nut (11) arranged on the first left pole (1), and the nut (11) is connected to the left rotating pole (12). The left-rotating strut (12) is arranged inside the first left-rotating strut (1), the left-rotating strut (12) includes a curved part and a straight part, and the curved part is connected to the nut ( 11), a second left fixed rod (121) is also connected to the curved part, the second left fixed rod (121) is perpendicular to the first left pole (1), and the second left A left stopper (122) is arranged on the fixed rod (121), and the left stopper (122) can be stuck on the second left support rod (3), and a straight part is also connected vertically. The first left fixed rod (123), the first left fixed rod (123) is covered with a left pedal (124) that can rotate around the first left fixed rod (123);

The foldable pedal located on the right frame includes a movable nut (11) arranged on the first right pole (2), the nut (11) is connected to the right rotating pole (13), the The right rotating strut (13) is arranged inside the first right strut (2), the right rotating strut (13) includes a curved part and a straight part, and the curved part is connected to the nut ( 11), a second right fixed rod (133) is also connected to the curved part, the second right fixed rod (133) is perpendicular to the first right pole (2), and the second right A right block (134) is arranged on the fixed rod (133), and the right block (134) can be stuck on the second right pole (4), and a straight part is vertically connected The first right fixed rod (131), the first right fixed rod (131) is covered with a right pedal (132) that can rotate around the first right fixed rod (131).

Further, seat cloth (18) is installed on the fourth left pole (7) and the fourth right pole (8).

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

Further, plastic handrails (20) parallel to the horizontal direction are installed on the second left pole (3)/second right pole (4).

Further, plastic baffles (21) are installed on the four left poles (7)/fourth right poles (8), and the baffles (21) are perpendicular to the horizontal plane.

Further, a handle (22) is installed on the third left pole (5)/third right pole (6), and a first brake (23) is arranged on the handle (22).

Further, a second brake (24) is provided above the left rear wheel (26)/right rear wheel (25).

By means of the above scheme, the utility model has at least the following advantages:

Both the left frame and the right frame of the wheelchair of this device are provided with rotating struts. Through the rotatable foot pedals arranged on the rotating struts, the pedals can also be folded after folding, reducing the space occupied by the wheelchair after folding. space.

Description of drawings

Fig. 1, the three-dimensional front schematic view of main structure of the utility model;

Fig. 2, the three-dimensional rear schematic view of the main structure of the utility model;

In the figure: 1-the first left pole; 2-the first right pole; 3-the second left pole; 4-the second right pole; 5-the third left pole; 6-the third right pole ; 7-the fourth left strut; 8-the fourth right strut; 9-the first left leg; 10-the second right leg; 11-nut; 12-left rotation strut; 124-left foot pedal; 121-the second left fixed rod; 122-left block; 13-right rotating pole; 131-the first right fixed rod; 132-right pedal; 133-the second right fixed rod ;134-right block; 14-first buckle; 17-first pole; 16-second buckle; 15-second pole; 18-seat cloth; 19-back cloth; 20-armrest ; 21-baffle plate; 22-handle; 23-first brake; 24-second brake; 25-right rear wheel; 26-left rear wheel;

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

Referring to Fig. 1 and Fig. 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 frame and the right frame;

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 arranged, and the first left strut The left strut 1 and the fourth left strut 7 are horizontally arranged and vertically connected to the third left strut 5, the first left strut 1 is located below the fourth left strut 7, and the fourth left strut The length of the rod 7 is less than the length of the first left strut 1, and the second left strut 3 is arc-shaped, one end of which is connected to one end of the first left strut 1, and one end is connected to the third left strut. On the strut 5, one end of the fourth left strut 7 is connected to the second left strut 3, the front end of the first left strut 1 is connected to the first left leg 9, and the rear end is connected to the 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 arranged, and the first right strut The right strut 2 and the fourth right strut 8 are horizontally arranged and vertically connected to the third right strut 6, the first right strut 2 is located below the third right strut 6, and the fourth right strut The length of the rod 8 is less than the length of the first right strut 2, and the second right strut 4 is arc-shaped, one end of which is connected to one end of the first right strut 2, and one end is connected to the third right strut. On the pole 6, one end of the third right pole 6 is connected to the second right pole 4, the front end of the first right pole 2 is connected with the second right foot 10, and the rear end is connected with the right rear wheel 25;

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

Foldable pedals are arranged on the left frame and the frame;

The foldable pedal located on the left frame includes a movable nut 11 arranged on the first left pole 1, the nut 11 is connected to the left rotating pole 12, and the left rotating pole 12 is arranged on Inside the first left pole 1, the left rotating pole 12 includes a curved part and a straight part, the curved part is connected to the nut 11, and a second left fixed part is also connected to the curved part. Rod 121, the second left fixed rod 121 is perpendicular to the first left pole 1, and a left stopper 122 is arranged on the second left fixed rod 121, and the left stopper 122 can be clamped on the On the second left support rod 3, a first left fixed rod 123 is vertically connected to the straight part, and the first left fixed rod 123 is covered with a ring that can rotate around the first left fixed rod 123. The left foot pedal 124;

The foldable pedal located on the right frame includes a nut 11 which is arranged on the first right strut 2 and is provided with a movable arrangement, and the nut 11 is connected to the right rotating strut 13, and the right rotating strut 13 is arranged on Inside the first right pole 2, the right rotating pole 13 includes a curved part and a straight part, the curved part is connected to the nut 11, and a second right fixed part is connected to the curved part. Rod 133, the second right fixed rod 133 is perpendicular to the first right pole 2, the second right fixed rod 133 is provided with a right stopper 134, and the right stopper 134 can be clamped and placed on the On the second right support rod 4, a first right fixed rod 131 is vertically connected to the straight part, and the first right fixed rod 131 is provided with a ring that can rotate around the first right fixed rod 131. The right foot pedal 132 of.

-A seat cloth 18 is installed on the fourth left pole 7 and the fourth right pole 8 .

- A back cloth 19 is installed between the third left pole 5 and the third right pole 6 .

-A plastic handrail 20 parallel to the horizontal direction is installed on the second left pole 3/second right pole 4.

- Plastic baffles 21 are installed on the four left poles 7/fourth right poles 8, and the baffles 21 are perpendicular to the horizontal plane.

- A handle 22 is installed on the third left pole 5 /third right pole 6 , and a first brake 23 is arranged on the handle 22 .

- A second brake 24 is provided above the left rear wheel 26 /right rear wheel 25 .

The working principle of the utility model is as follows:

Rotate the pedals on the right rotating strut 13 and the left rotating strut 12 to be parallel to the plane where the frame is located, then remove the left stopper and right stopper from the strut, and turn the right rotating strut 13 backwards And left rotation strut 12. Then lift the wheelchair from the middle of the seat cloth, and fold the wheelchair through the folding device arranged crosswise.

The utility model has the following advantages at least:

Both the left frame and the right frame of the wheelchair of this device are provided with rotating struts. Through the rotatable foot pedals arranged on the rotating struts, the pedals can also be folded after folding, reducing the space occupied by the wheelchair after folding. space.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. It should be pointed out that for those of ordinary skill in the art, they can also do Several improvements and modifications are made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims (7)

1. A folding wheelchair, comprising a left frame, a right frame, and a folding device connecting the left frame and the right frame, characterized in that: 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) set vertically, the first left strut (1) and the fourth left strut (7) are horizontally arranged and vertically connected to the 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 less than the length of the first left strut (1), and the second left strut (3) It is arc-shaped, one end of which is connected to one end of the first left strut (1), one end is connected to the third left strut (5), and one end of the fourth left strut (7) is connected to the On the second left pole (3), the front end of the first left pole (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) set vertically, the first right strut (2) and the fourth right strut (8) are horizontally set and vertically connected to the third right strut (6), the first right strut (2) ) is located below the third right strut (6), the length of the fourth right strut (8) is less than the length of the first right strut (2), and the second right strut (4) It is arc-shaped, one end of which is connected to one end of the first right strut (2), one end is connected to the third right strut (6), and one end of the third right strut (6) is connected to the On the second right strut (4), the front end of the first right strut (2) is connected with a second right leg (10), and the rear end is connected with a right rear wheel (25); The folding device includes two first buckles (14) arranged on the first left pole (1) and the fourth left pole (7), and two first buckles (14) arranged on the first right pole ( 2) and the fourth right pole (8) are provided with two second buckles (16), and the first pole (17) is flexibly connected to the first left pole (1). On the first buckle (14) and the second buckle (16) arranged on the fourth right pole (8), the second pole (15) is movably connected and arranged on the fourth left pole (7) On the first buckle (14) on the top and the second buckle (16) on the first right pole (2), the intersection of the first pole (17) and the second pole (15) passes through a The active nut is used for active connection; Foldable pedals are arranged on the left frame and the frame; The foldable pedal located on the left frame includes a movable nut (11) arranged on the first left pole (1), and the nut (11) is connected to the left rotating pole (12). The left-rotating strut (12) is arranged inside the first left-rotating strut (1), the left-rotating strut (12) includes a curved part and a straight part, and the curved part is connected to the nut ( 11), the curved part is also connected with a second left fixed rod (121), the second left fixed rod (121) is perpendicular to the first left pole (1), and the second left A left stopper (122) is arranged on the fixed rod (121), and the left stopper (122) can be stuck on the second left support rod (3), and a straight part is vertically connected The first left fixed rod (123), the first left fixed rod (123) is covered with a left pedal (124) that can rotate around the first left fixed rod (123); The foldable pedal located on the right frame includes a movable nut (11) arranged on the first right pole (2), the nut (11) is connected to the right rotating pole (13), the The right rotating strut (13) is arranged inside the first right strut (2), the right rotating strut (13) includes a curved part and a straight part, and the curved part is connected to the nut ( 11), the curved part is also connected with a second right fixed rod (133), the second right fixed rod (133) is perpendicular to the first right pole (2), and the second right A right block (134) is arranged on the fixed rod (133), and the right block (134) can be stuck on the second right pole (4), and a straight part is vertically connected The first right fixed rod (131), the first right fixed rod (131) is covered with a right pedal (132) that can rotate around the first right fixed rod (131). 2. A folding wheelchair according to claim 1, characterized in that: a seat cloth (18) is installed on the fourth left pole (7) and the fourth right pole (8). 3. A folding wheelchair according to claim 1, characterized in that: a back cloth (19) is installed between the third left pole (5) and the third right pole (6). 4. A kind of folding wheelchair according to claim 1, characterized in that: plastic handrails (20) parallel to the horizontal direction are installed on the second left pole (3)/second right pole (4). ). 5. A kind of folding wheelchair according to claim 1, characterized in that: said fourth left pole (7)/fourth right pole (8) are equipped with plastic baffles (21), said The baffle (21) is perpendicular to the horizontal plane. 6. A kind of folding wheelchair according to claim 1, characterized in that: handles (22) are installed on the third left pole (5)/third right pole (6), and the handle ( 22) is provided with the first brake (23). 7. A folding wheelchair according to claim 1, characterized in that: a second brake (24) is provided above the left rear wheel (26)/right rear wheel (25).