Walking assisting vehicle for disabled people

Abstract

The invention discloses a walking assisting vehicle for the disabled, and relates to the technical field of walking assisting for the disabled, the walking assisting vehicle comprises a seat plate, a back plate is vertically mounted on one side of the upper end of the seat plate, two armrests are mounted on the side wall of the back plate, a power vehicle body is mounted at the lower end of the seat plate, and rotating shafts are horizontally mounted at four output ends of the power vehicle body; moving wheels are installed at the ends, away from the power vehicle body, of the rotating shafts, connecting plates are installed on the two sides of the end, away from the back plate, of the seat plate, fixing cylinders are installed at the ends, away from the back plate, of the connecting plates, and track moving mechanisms are arranged on the fixing cylinders. The rack is arranged on the wall close to the stair, then the first electric telescopic rod drives the motor and the fixing frame to move up and down, a gear at the output end of the motor is engaged with the rack in a clamped mode, then the seat plate can move up and down along the rack through rotation of the motor, and therefore a user can sit on the seat plate without help of the user. And going upstairs and downstairs can be realized.

Description

Technical Field

[0001] The invention relates to the technical field of assisted walking for the disabled, in particular to an assisted walking vehicle for the disabled. Background Art

[0002] For disabled people with leg disabilities, in daily life, they need to use disability-assisted walking vehicles to help them move.

[0003] However, existing disabled people's assisted walking vehicles can only move on flat ground and cannot go up and down stairs. Existing residential areas are all designed with multiple floors. If disabled people live upstairs, they can only be carried or held by their family members when going up and down stairs, which is very inconvenient.

[0004] In view of the above problems, an improved disabled person auxiliary walking vehicle is now designed. Summary of the invention

[0005] The purpose of the present invention is to provide a disabled person's auxiliary walking vehicle to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions: The folding wheelchair of claim 1, wherein the two wheels are provided with a plurality of wheels connected to the folding wheel frame, the plurality of wheels are provided with a plurality of wheels connected to the folding wheel frame.

[0007] As a further solution of the present invention: the track moving mechanism includes a mounting plate, which is obliquely installed on the wall next to the stairs, a connecting strip is installed at one end of the mounting plate away from the wall, a fixing strip is installed at one end of the connecting strip away from the mounting plate, a rack is installed at the upper end of the fixing strip, and the upper end height of the fixing strip is greater than the upper end height of the connecting strip, so that a groove is formed at the upper end of the connecting strip.

[0008] A first electric telescopic rod is provided inside the fixed cylinder, a motor is horizontally installed at the output end of the first electric telescopic rod, a fixed frame is installed at the upper end of the motor, the output end of the motor faces a side away from the seat plate, a rotating rod is horizontally installed at the output end of the motor, one end of the rotating rod away from the motor is rotatably connected to the side wall of the fixed frame, a gear used in conjunction with a rack is installed on the side wall of the rotating rod, a limit plate used in conjunction with a groove at the upper end of a connecting strip is vertically installed at one end of the fixed frame away from the seat plate, the limit plate is vertically inserted in the groove at the upper end of the connecting strip, and an auxiliary standing component for assisting a user to stand is provided inside the fixed cylinder.

[0009] As a further solution of the present invention: a second ball is installed on the side wall of the limiting plate away from the mounting plate, and one end of the second ball away from the limiting plate rolls along the side wall of the fixing bar.

[0010] As a further solution of the present invention: a first ball is installed at one end of the pedal away from the power vehicle body for auxiliary support against the wall.

[0011] As a further solution of the present invention: the auxiliary standing component includes a fixed ring, which is slidably connected to the inner wall of the fixed tube, and the fixed ring is installed at the upper end of the side wall of the first electric telescopic rod. The lower end of the fixed ring is installed with a spring for pushing the fixed ring to move upward, and the lower end of the spring is installed at the bottom of the fixed tube. The upper end of the fixed frame is installed with a handle for users to support themselves.

[0012] As a further solution of the present invention: a friction pad is installed at the lower end of the first electric telescopic rod to ensure that the lower end of the first electric telescopic rod is stably in contact with the ground.

[0013] As a further scheme of the present invention: the obstacle crossing mechanism includes a first moving ring, which is slidably sleeved on the side wall of the rotating shaft, and a plurality of limit columns are installed in a circular array on the side wall of the rotating shaft between the first moving ring and the moving wheel, the length of the limit column is less than the radius of the moving wheel, and a sliding sleeve is slidably sleeved on the side wall of the limit column, and the length of the sliding sleeve after being extended is greater than the radius of the moving wheel, and a swing rod is connected to the side wall of the sliding sleeve close to the first moving ring through a hinge rotation, and the end of the swing rod away from the sliding sleeve is connected to the first moving ring through a hinge rotation, and the end of the swing rod away from the sliding sleeve is inclined toward the direction of the rotating shaft, and a second moving ring is slidably sleeved on the side wall of the rotating shaft between the first moving ring and the power body, and a second electric telescopic rod for pushing the second moving ring to move toward the first moving ring is installed on the side wall of the second moving ring close to the power body, and the second electric telescopic rod is installed on the side wall of the power body.

[0014] As a further solution of the present invention: a third ball is installed at one end of the second movable ring close to the first movable ring to facilitate the relative rotation of the first movable ring and the second movable ring.

[0015] As a further solution of the present invention: a triangular rib plate is provided at the connection between the limit post and the rotating shaft for stably connecting the limit post and the rotating shaft.

[0016] As a further solution of the present invention: a push handle is installed at the upper end of the backboard for family members to support and push.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention arranges a rack on the wall near the stairs, and then drives the motor and the fixed frame to move up and down through the first electric telescopic rod, so that the gear at the output end of the motor is engaged with the rack, and then the rotation of the motor is used to make the seat plate move up and down along the rack, so that the user can go up and down the stairs without help.

[0018] At the same time, by utilizing the grooves on the upper ends of the limiting plate and the connecting strip, and the pressure of the first ball against the wall, the gear and the rack can be quickly docked, and the docking is very convenient and easy for users to operate.

[0019] The present invention utilizes a spring to lift the first electric telescopic rod to prevent the first electric telescopic rod from affecting the movement of the vehicle body. When the user needs to stand up, the first electric telescopic rod is extended and the lower end of the first electric telescopic rod supports the ground. The output end of the first electric telescopic rod pushes the standing handle to move, and the standing handle can assist the user to stand up.

[0020] When the moving wheel of the present invention encounters an obstacle and slips and cannot pass over it, the sliding sleeve is extended, and the moving wheel is replaced by the sliding sleeve and the limiting column. Since the sliding sleeve is in point contact with the ground, the obstacle can be easily passed over, which is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention when moving on flat ground.

[0022] Figure 2 It is a structural schematic diagram of the track moving mechanism in the present invention.

[0023] Figure 3 It is a schematic diagram of the structure of the present invention when going up and down stairs.

[0024] Figure 4 It is a structural schematic diagram of the obstacle crossing mechanism in the present invention.

[0025] Among them: 1. seat board; 2. back board; 3. push handle; 4. armrest; 5. controller; 6. lifting handle; 7. motor; 8. fixed frame; 9. limit plate; 10. first electric telescopic rod; 11. fixed cylinder; 12. first ball; 13. pedal; 14. connecting plate; 15. moving wheel; 16. rotating shaft; 17. power body; 18. rotating rod; 19. gear; 20. second ball; 21. fixed ring; 22. spring; 23. mounting plate; 24. connecting strip; 25. fixed strip; 26. rack; 27. limit column; 28. sliding sleeve; 29. ​​swing rod; 30. first moving ring; 31. second electric telescopic rod; 32. second moving ring; 33. third ball. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 4 In an embodiment of the present invention, a disabled person assisting walking vehicle comprises a seat board 1, a back board 2 is vertically mounted on one side of the upper end of the seat board 1, a pushing handle 3 is mounted on the upper end of the back board 2 for easy support and pushing by family members, two handrails 4 are mounted on the side wall of the back board 2 near the center of the seat board 1, one end of the handrail 4 away from the back board 2 is mounted on the upper end of the seat board 1, the two handrails 4 are arranged on both sides of the back board 2, a controller 5 is mounted on the upper end of the handrail 4, and a power body 17 for driving the seat board 1 to move is mounted on the lower end of the seat board 1. The four output ends of the power body 17 are horizontally installed with a rotating shaft 16, and the end of the rotating shaft 16 away from the power body 17 is installed with a moving wheel 15. Pedals 13 are horizontally installed on both sides of the power body 17. Connecting plates 14 are installed on both sides of the end of the seat 1 away from the back plate 2. A fixing cylinder 11 is installed on the end of the connecting plate 14 away from the back plate 2. A track moving mechanism for enabling the seat 1 to go up and down the stairs along the track is provided on the fixing cylinder 11, and an obstacle crossing mechanism for facilitating the moving wheel 15 to cross obstacles is provided on the rotating shaft 16.

[0028] The track moving mechanism includes a mounting plate 23, which is obliquely mounted on the wall next to the stairs. A connecting strip 24 is mounted on the end of the mounting plate 23 away from the wall, and a fixing strip 25 is mounted on the end of the connecting strip 24 away from the mounting plate 23. A rack 26 is mounted on the upper end of the fixing strip 25. The upper end height of the fixing strip 25 is greater than the upper end height of the connecting strip 24, so that a groove is formed at the upper end of the connecting strip 24.

[0029] A first electric telescopic rod 10 is arranged inside the fixed cylinder 11, and a motor 7 is horizontally installed on the output end of the first electric telescopic rod 10, and a fixed frame 8 is installed on the upper end of the motor 7. The output end of the motor 7 faces the side away from the seat board 1, and a rotating rod 18 is horizontally installed on the output end of the motor 7. The end of the rotating rod 18 away from the motor 7 is rotatably connected to the side wall of the fixed frame 8, and a gear 19 used in conjunction with the rack 26 is installed on the side wall of the rotating rod 18. A limit plate 9 used in conjunction with the groove at the upper end of the connecting bar 24 is vertically installed at the end of the fixed frame 8 away from the seat board 1, and the limit plate 9 is vertically inserted in the groove at the upper end of the connecting bar 24. A second ball 20 is installed on the side wall of the limit plate 9 away from the mounting plate 23, and the end of the second ball 20 away from the limit plate 9 rolls along the side wall of the fixing bar 25, and the end of the pedal 13 away from the power car body 17 is installed with a first ball 12 for auxiliary support against the wall, and an auxiliary standing component for assisting the user to stand is arranged inside the fixed cylinder 11.

[0030] The auxiliary standing component includes a fixed ring 21, which is slidably connected to the inner wall of the fixed cylinder 11, and the fixed ring 21 is installed at the upper end of the side wall of the first electric telescopic rod 10. The lower end of the fixed ring 21 is installed with a spring 22 for pushing the fixed ring 21 to move upward, and the lower end of the spring 22 is installed at the bottom of the fixed cylinder 11. The upper end of the fixed frame 8 is installed with a lifting handle 6 for the user to support.

[0031] When going up or down stairs, first start the first electric telescopic rod 10 to extend, the output end of the first electric telescopic rod 10 pushes the motor 7, the fixed frame 8, and the limit plate 9 to move upward, so that the motor 7, the fixed frame 8, and the limit plate 9 are located above the mounting plate 23, and then the seat plate 1 is moved vertically to the wall where the mounting plate 23 is located until the first ball 12 presses against the wall, and then the first electric telescopic rod 10 is controlled to retract one by one, the output end of the first electric telescopic rod 10 drives the motor 7, the fixed frame 8, and the limit plate 9 to move downward, the motor 7 drives the rotating rod 18 and the gear 19 to move downward, and finally the gear 19 and the rack 26 are meshed with each other, and at the same time the fixed frame 8 drives the limit plate 9 to be clamped in the groove at the upper end of the connecting strip 24, and the second ball 20 is close to the side wall of the fixing strip 25.

[0032] After the gears 19 and the racks 26 above the two first electric telescopic rods 10 are evenly meshed, the two first electric telescopic rods 10 are started to retract at the same time, the first electric telescopic rods 10 drive the fixing ring 21 to move upward, the fixing ring 21 drives the fixing cylinder 11 to move upward, the fixing cylinder 11 drives the connecting plate 14 to move upward, the connecting plate 14 drives the seat plate 1 and the power car body 17 to move upward, so that the moving wheel 15 is away from the ground.

[0033] Then the motor 7 is started to rotate, the output end of the motor 7 drives the rotating rod 18 to rotate, the rotating rod 18 drives the gear 19 to rotate, and the gear 19 rolls along the rack 26 to move the user downstairs or upstairs.

[0034] When the user needs to stand up, the user presses the supporting handle 6 for standing up, and the handle 6 pushes the fixed frame 8, the motor 7, and the first electric telescopic rod 10 to move downward, and the first electric telescopic rod 10 drives the fixed ring 21 to move downward, and the fixed ring 21 compresses the spring 22 and makes the lower end of the first electric telescopic rod 10 contact the ground, and at the same time starts the first electric telescopic rod 10 to extend, and the output end of the first electric telescopic rod 10 pushes the motor 7, the fixed frame 8 and the handle 6 for standing up, thereby assisting the user in standing up.

[0035] The obstacle crossing mechanism includes a first moving ring 30, which is slidably sleeved on the side wall of the rotating shaft 16. A plurality of limiting columns 27 are installed in a circular array on the side wall of the rotating shaft 16 between the first moving ring 30 and the moving wheel 15. The length of the limiting column 27 is less than the radius of the moving wheel 15. A sliding sleeve 28 is slidably sleeved on the side wall of the limiting column 27. The length of the sliding sleeve 28 after being extended is greater than the radius of the moving wheel 15. A swing rod 29 is rotatably connected to the side wall of the sliding sleeve 28 close to the first moving ring 30 through a hinge. The end of the swing rod 29 away from the sliding sleeve 28 is rotatably connected to the swing rod 29 through a hinge. On the first movable ring 30, the end of the swing rod 29 away from the sliding sleeve 28 is inclined toward the direction of the rotating shaft 16, and a second movable ring 32 is slidably sleeved on the side wall of the rotating shaft 16 between the first movable ring 30 and the power car body 17. The end of the second movable ring 32 close to the first movable ring 30 is equipped with a third ball 33 for facilitating the relative rotation of the first movable ring 30 and the second movable ring 32. A second electric telescopic rod 31 for pushing the second movable ring 32 to move toward the first movable ring 30 is installed on the side wall of the second movable ring 32 close to the power car body 17, and the second electric telescopic rod 31 is installed on the side wall of the power car body 17.

[0036] When crossing an obstacle, the second electric telescopic rod 31 is started to extend, and the output end of the second electric telescopic rod 31 pushes the second moving ring 32 to move, and the second moving ring 32 pushes the first moving ring 30 to move, and the first moving ring 30 pushes the swing rod 29 to swing, and the swing rod 29 drives the sliding sleeve 28 to move along the side wall of the limiting column 27, so that the sliding sleeve 28 extends and supports the ground, and then the power car body 17 is started to drive the rotating shaft 16 to rotate, and the rotating shaft 16 drives the limiting column 27 and the sliding sleeve 28 to rotate, so that the obstacle can be easily crossed.

[0037] Working principle of a disabled person's assisted walking vehicle: When going up or down stairs, first start the first electric telescopic rod 10 to extend, the output end of the first electric telescopic rod 10 pushes the motor 7, the fixed frame 8, and the limit plate 9 to move upward, so that the motor 7, the fixed frame 8, and the limit plate 9 are located above the mounting plate 23, and then the seat plate 1 is moved vertically to the wall where the mounting plate 23 is located until the first ball 12 presses against the wall, and then the first electric telescopic rod 10 is controlled to retract one by one, the output end of the first electric telescopic rod 10 drives the motor 7, the fixed frame 8, and the limit plate 9 to move downward, the motor 7 drives the rotating rod 18 and the gear 19 to move downward, and finally the gear 19 and the rack 26 are meshed with each other, and at the same time the fixed frame 8 drives the limit plate 9 to be clamped in the groove at the upper end of the connecting strip 24, and the second ball 20 is close to the side wall of the fixing strip 25.

[0038] After the gears 19 and the racks 26 above the two first electric telescopic rods 10 are evenly meshed, the two first electric telescopic rods 10 are started to retract at the same time, the first electric telescopic rods 10 drive the fixing ring 21 to move upward, the fixing ring 21 drives the fixing cylinder 11 to move upward, the fixing cylinder 11 drives the connecting plate 14 to move upward, the connecting plate 14 drives the seat plate 1 and the power car body 17 to move upward, so that the moving wheel 15 is away from the ground.

[0039] Then the motor 7 is started to rotate, the output end of the motor 7 drives the rotating rod 18 to rotate, the rotating rod 18 drives the gear 19 to rotate, and the gear 19 rolls along the rack 26 to move the user downstairs or upstairs.

[0040] When the user needs to stand up, the user presses the supporting handle 6 for standing up, and the handle 6 pushes the fixed frame 8, the motor 7, and the first electric telescopic rod 10 to move downward, and the first electric telescopic rod 10 drives the fixed ring 21 to move downward, and the fixed ring 21 compresses the spring 22 and makes the lower end of the first electric telescopic rod 10 contact the ground, and at the same time starts the first electric telescopic rod 10 to extend, and the output end of the first electric telescopic rod 10 pushes the motor 7, the fixed frame 8 and the handle 6 for standing up, thereby assisting the user in standing up.

[0041] When crossing an obstacle, the second electric telescopic rod 31 is started to extend, and the output end of the second electric telescopic rod 31 pushes the second moving ring 32 to move, and the second moving ring 32 pushes the first moving ring 30 to move, and the first moving ring 30 pushes the swing rod 29 to swing, and the swing rod 29 drives the sliding sleeve 28 to move along the side wall of the limiting column 27, so that the sliding sleeve 28 extends and supports the ground, and then the power car body 17 is started to drive the rotating shaft 16 to rotate, and the rotating shaft 16 drives the limiting column 27 and the sliding sleeve 28 to rotate, so that the obstacle can be easily crossed.

[0042] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

Claims

1. A disabled person's auxiliary walking vehicle, comprising a seat (1), a back plate (2) vertically mounted on one side of the upper end of the seat (1), two handrails (4) mounted on the side wall of the back plate (2) close to the center of the seat (1), one end of the handrail (4) away from the back plate (2) is mounted on the upper end of the seat (1), the two handrails (4) are arranged on both sides of the back plate (2), a controller (5) is mounted on the upper end of the handrail (4), a power body (17) for driving the seat (1) to move is mounted on the lower end of the seat (1), four output ends of the power body (17) are horizontally mounted with a rotating shaft (16), one end of the rotating shaft (16) away from the power body (17) is mounted with a moving wheel (15), and pedals (13) are horizontally mounted on both sides of the power body (17), characterized in that: Connecting plates (14) are installed on both sides of one end of the seat plate (1) away from the back plate (2), and a fixing cylinder (11) is installed on one end of the connecting plate (14) away from the back plate (2). A track moving mechanism for enabling the seat plate (1) to go up and down stairs along the track is arranged on the fixing cylinder (11), and an obstacle crossing mechanism for facilitating the moving wheel (15) to cross obstacles is arranged on the rotating shaft (16).

2. A disabled person assisting walking vehicle according to claim 1, characterized in that: The track moving mechanism comprises a mounting plate (23), wherein the mounting plate (23) is obliquely mounted on a wall beside the staircase, a connecting strip (24) is mounted on one end of the mounting plate (23) away from the wall, a fixing strip (25) is mounted on one end of the connecting strip (24) away from the mounting plate (23), a rack (26) is mounted on the upper end of the fixing strip (25), the upper end of the fixing strip (25) having a height greater than the upper end of the connecting strip (24), so that a groove is formed at the upper end of the connecting strip (24); A first electric telescopic rod (10) is arranged inside the fixed cylinder (11); a motor (7) is horizontally mounted on the output end of the first electric telescopic rod (10); a fixed frame (8) is mounted on the upper end of the motor (7); the output end of the motor (7) faces the side away from the seat plate (1); a rotating rod (18) is horizontally mounted on the output end of the motor (7); one end of the rotating rod (18) away from the motor (7) is rotatably connected to the side wall of the fixed frame (8); a gear (19) used in conjunction with a rack (26) is mounted on the side wall of the rotating rod (18); a limit plate (9) used in conjunction with a groove at the upper end of a connecting strip (24) is vertically mounted on one end of the fixed frame (8) away from the seat plate (1); the limit plate (9) is vertically inserted into the groove at the upper end of the connecting strip (24); and an auxiliary standing component for assisting a user to stand is arranged inside the fixed cylinder (11).

3. A disabled person assisting walking vehicle according to claim 2, characterized in that: A second ball (20) is mounted on the side wall of the limiting plate (9) away from the mounting plate (23), and one end of the second ball (20) away from the limiting plate (9) rolls along the side wall of the fixing strip (25).

4. A disabled person assistive walking vehicle according to claim 2, characterized in that: A first ball (12) for supporting against a wall for auxiliary support is installed at one end of the pedal (13) away from the power vehicle body (17).

5. The disabled assistive walking vehicle according to claim 2, characterized in that: The auxiliary standing component comprises a fixing ring (21), the fixing ring (21) being slidably connected to the inner wall of the fixing cylinder (11), the fixing ring (21) being mounted on the upper end of the side wall of the first electric telescopic rod (10), the lower end of the fixing ring (21) being mounted with a spring (22) for pushing the fixing ring (21) to move upward, the lower end of the spring (22) being mounted on the bottom of the fixing cylinder (11), and the upper end of the fixing frame (8) being mounted with a handle (6) for the user to hold on to.

6. A disabled person assisting walking vehicle according to claim 5, characterized in that: A friction pad is installed at the lower end of the first electric telescopic rod (10) for ensuring that the lower end of the first electric telescopic rod (10) is stably in contact with the ground.

7. The disabled person assistive walking vehicle according to claim 1, characterized in that: The obstacle crossing mechanism comprises a first moving ring (30), the first moving ring (30) being slidably sleeved on the side wall of the rotating shaft (16), a plurality of limiting columns (27) being installed in a circular array on the side wall of the rotating shaft (16) between the first moving ring (30) and the moving wheel (15), the length of the limiting columns (27) being less than the radius of the moving wheel (15), a sliding sleeve (28) being slidably sleeved on the side wall of the limiting column (27), the length of the sliding sleeve (28) after being extended being greater than the radius of the moving wheel (15), and a swing rod (29) being rotatably connected to the side wall of the sliding sleeve (28) close to the first moving ring (30) through a hinge, One end of the swing rod (29) away from the sliding sleeve (28) is rotatably connected to the first moving ring (30) via a hinge; one end of the swing rod (29) away from the sliding sleeve (28) is inclined in the direction of the rotating shaft (16); a second moving ring (32) is slidably sleeved on the side wall of the rotating shaft (16) between the first moving ring (30) and the power vehicle body (17); a second electric telescopic rod (31) for pushing the second moving ring (32) to move toward the first moving ring (30) is installed on the side wall of the power vehicle body (17); the second electric telescopic rod (31) is installed on the side wall of the power vehicle body (17).

8. The disabled person assistive walking vehicle according to claim 7, characterized in that: A third ball (33) is mounted on one end of the second moving ring (32) close to the first moving ring (30) to facilitate relative rotation of the first moving ring (30) and the second moving ring (32).

9. The disabled person assistive walking vehicle according to claim 7, characterized in that: A triangular rib plate is provided at the connection between the limiting column (27) and the rotating shaft (16) for stably connecting the limiting column (27) and the rotating shaft (16).

10. The disabled person assistive walking vehicle according to claim 1, characterized in that: A pushing handle (3) is installed at the upper end of the back plate (2) for easy support and pushing by family members.

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