Folding pedal for stair lifting device

Abstract

The utility model relates to the technical field of stairs, and discloses a folding pedal for a stair lifting device, which comprises a pedal plate, a fixing block is fixedly mounted on the outer wall of the pedal plate, a fixing rod is slidably sleeved on the inner wall of the fixing block, a pressing plate is fixedly mounted on the outer wall of the fixing rod, and a spring is movably sleeved on the outer wall of the fixing rod. A rotating rod is arranged on the outer wall of the pedal plate, a square block is rotationally connected to the outer wall of the rotating rod, and a rotating block is fixedly installed on the outer wall of the rotating rod. According to the folding pedal for the stair lifting device, a fixing rod is pulled through external force, and the fixing rod is used for driving a square block to compress a spring, so that the outer wall of one end of the fixing rod is separated from the inner wall of a back plate, the pedal plate is separated from the back plate, and a person uses the folding pedal; the pressing plate is pushed by the elastic force of the spring to insert the fixing rod into the inner wall of the back plate, so that the pedal and the back plate are fixed when folded, and the public occupied space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of stairs, in particular to a folding footrest for a stair lifting device. Background Art

[0002] A stair lifting device is an elevator that runs on the side of a stair. Its main function is to help disabled and elderly people with inconvenient mobility go up and down the stairs at home, improving the living environment of the disabled and the elderly.

[0003] During the use of the existing folding footrest for a stair lifting device, it is necessary to bend down to manually fold it, and the footrest cannot be fixed after folding, resulting in the footrest occupying the usable area of the stair. At the same time, during the use of this device, it cannot be lifted and held according to the different heights of users, reducing the comfort of device use and posing a safety hazard. Summary of the Utility Model

[0004] In view of the deficiencies of the prior art, the utility model provides a folding footrest for a stair lifting device, which has the advantages of fixity and liftability, and solves the problems raised in the above background art.

[0005] The utility model provides the following technical solution: A folding footrest for a stair lifting device, including a footrest. A fixing block is fixedly installed on the outer wall of the footrest. A fixing rod is slidably sleeved inside the fixing block. A pressing plate is fixedly installed on the outer wall of the fixing rod. A spring is movably sleeved on the outer wall of the fixing rod. A rotating rod is provided on the outer wall of the footrest. A square block is rotatably connected to the outer wall of the rotating rod. A rotating block is fixedly installed on the outer wall of the rotating rod. A cylinder is rotatably connected to the outer wall of the rotating block. A back plate is fixedly installed on the outer wall of the square block. A motor is fixedly provided on the outer wall of the back plate. A lead screw is fixedly assembled on the power output shaft of the motor. A slider is slidably connected to the outer wall of the lead screw. A handrail is fixedly installed on the outer wall of the slider. A controller is fixedly provided on the top outer wall of the handrail.

[0006] As a preferred technical solution of the utility model: A support plate is fixedly installed on the outer wall of the back plate. An electric cylinder and a cylinder are rotatably connected to the outer wall of the support plate. The output end of the controller is electrically connected to the input ends of the electric cylinder and the cylinder.

[0007] As a preferred technical solution of the utility model: The inner wall of the footrest is in contact with the outer wall of the back plate. The two ends of the rotating rod are fixed to the outer wall of the footrest.

[0008] As a preferred technical solution of the utility model: The output end of the controller is electrically connected to the input end of the motor. The number of lead screws is two, and the two lead screws are symmetrically arranged with the handrail as the center.

[0009] As a preferred technical solution of the present utility model: a circular groove is provided on the inner wall of the back plate, and the inner wall of the circular groove is adapted to the outer wall of the fixing rod.

[0010] As a preferred technical solution of the present utility model: one end of the spring is fixed to the outer wall of the pressing plate, and the other end of the spring is fixed to the inner wall of the fixing block.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] 1. For the folding footrest of the stair lifting device, by pulling the fixing rod with an external force, the fixing rod drives the square block to compress the spring, so that the outer wall of one end of the fixing rod is separated from the inner wall of the back plate, and the footrest is separated from the back plate for use by personnel. When it fits with the back plate, release the fixing rod, and use the elastic force of the spring to push the pressing plate to insert the fixing rod into the inner wall of the back plate, so as to fix the footrest and the back plate when they are folded, reducing the public occupied space.

[0013] 2. For the folding footrest of the stair lifting device, by controlling the controller, the motor drives the lead screw to rotate, so that the lead screw drives the handrail to move up and down through the slider, and then the device can be adjusted in height according to the heights of different personnel. Personnel hold the handrail, improving the safety of the device and avoiding the risk of falling due to unstable center of gravity when personnel are using it. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a structural schematic diagram of the air cylinder of the present utility model;

[0016] Figure 3 is a structural schematic diagram of the rotating block of the present utility model;

[0017] Figure 4 is a structural schematic diagram of the slider of the present utility model;

[0018] Figure 5 is a structural schematic diagram of the pressing plate of the present utility model.

[0019] In the figure: 1, footrest; 2, fixing block; 3, fixing rod; 4, handrail; 5, back plate; 6, controller; 7, square block; 8, rotating rod; 9, rotating block; 10, electric cylinder; 11, air cylinder; 12, support plate; 13, motor; 14, lead screw; 15, slider; 16, spring; 17, pressing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1 - Figure 5 , a folding footrest for a stair lifting device, including a footrest 1. A fixing block 2 is fixedly installed on the outer wall of the footrest 1. A fixing rod 3 is slidably sleeved inside the fixing block 2. A pressing plate 17 is fixedly installed on the outer wall of the fixing rod 3. A spring 16 is movably sleeved on the outer wall of the fixing rod 3. A rotating rod 8 is provided on the outer wall of the footrest 1. A square block 7 is rotatably connected to the outer wall of the rotating rod 8. A rotating block 9 is fixedly installed on the outer wall of the rotating rod 8. A cylinder 11 is rotatably connected to the outer wall of the rotating block 9. A back plate 5 is fixedly installed on the outer wall of the square block 7. A motor 13 is fixedly provided on the outer wall of the back plate 5. A lead screw 14 is fixedly assembled to the power output shaft of the motor 13. A slider 15 is slidably connected to the outer wall of the lead screw 14. A handrail 4 is fixedly installed on the outer wall of the slider 15. A controller 6 is fixedly provided on the top outer wall of the handrail 4.

[0022] In the above structure, by installing the handrail 4, the user is supported by the handrail 4, improving the safety of the device.

[0023] In a preferred embodiment: A support plate 12 is fixedly installed on the outer wall of the back plate 5. An electric cylinder 10 and a cylinder 11 are rotatably connected to the outer wall of the support plate 12. The output end of the controller 6 is electrically connected to the input ends of the electric cylinder 10 and the cylinder 11.

[0024] In the above structure, by operating the controller 6, the output end of the cylinder 11 is used to push the rotating block 9, so that the rotating block 9 drives the footrest 1 to flip through the rotating rod 8, and the footrest 1 is extended for the user to step on.

[0025] In a preferred embodiment: The inner wall of the footrest 1 is attached to the outer wall of the back plate 5, and both ends of the outer wall of the footrest 1 are fixed to the rotating rod 8.

[0026] In the above structure, when the device is not in use, the cylinder 11 contracts the rotating block 9, so that the rotating block 9 drives the footrest 1 to flip through the rotating rod 8, and the footrest 1 is attached to the outer wall of the back plate 5 to achieve folding and reduce the public occupied space.

[0027] In a preferred embodiment: The output end of the controller 6 is electrically connected to the input end of the motor 13. The number of the lead screws 14 is two, and the two lead screws 14 are symmetrically arranged with the handrail 4 as the center.

[0028] In the above structure, by controlling the controller 6, the motor 13 drives the lead screw 14 to rotate, so that the lead screw 14 drives the handrail 4 to move up and down through the slider 15, so that the device can be adjusted in height according to the heights of different people, improving the safety of the device.

[0029] In a preferred embodiment: a circular groove is formed in the inner wall of the back plate 5, and the inner wall of the circular groove is adapted to the outer wall of the fixed rod 3.

[0030] In the above structure, by the inner wall of the circular groove being adapted to the outer wall of the fixed rod 3, the fixed rod 3 drives the footrest 1 to be inserted into the inner wall of the back plate 5, so that when the footrest 1 and the back plate 5 are folded, fixation is achieved, avoiding loosening and falling off due to long-term folding and colliding with pedestrians.

[0031] In a preferred embodiment: one end of the spring 16 is fixed to the outer wall of the pressing plate 17, and the other end of the spring 16 is fixed to the inner wall of the fixed block 2.

[0032] In the above structure, by pulling the fixed rod 3 with an external force, the fixed rod 3 drives the square block 7 to compress the spring 16, so that the outer wall of one end of the fixed rod 3 is separated from the inner wall of the back plate 5, and the footrest 1 is separated from the back plate 5 for personnel to use. When it is in contact with the back plate 5, the fixed rod 3 is released, and the elastic force of the spring 16 is used to push the pressing plate 17 to insert the fixed rod 3 into the inner wall of the back plate 5, so that when the footrest 1 and the back plate 5 are folded, fixation is achieved.

[0033] Working principle: The device is installed on the stairs. When the device is in use, the fixed rod 3 is pulled with an external force, and the fixed rod 3 drives the square block 7 to compress the spring 16, so that the outer wall of one end of the fixed rod 3 is separated from the inner wall of the back plate 5, and the footrest 1 is separated from the back plate 5 for personnel to use. By controlling the controller 6, the output end of the air cylinder 11 is used to push the rotating block 9, so that the rotating block 9 drives the footrest 1 to flip through the rotating rod 8, so that the footrest 1 extends for the user to step on. By controlling the controller 6, the motor 13 drives the lead screw 14 to rotate, so that the lead screw 14 drives the handrail 4 to move up and down through the slider 15, so that the device can be adjusted in height according to the heights of different people. Personnel hold the handrail 4 to improve the safety of the device. When the device is not in use, the air cylinder 11 contracts the rotating block 9, so that the rotating block 9 drives the footrest 1 to flip through the rotating rod 8, and the footrest 1 is attached to the outer wall of the back plate 5 to achieve folding, reducing the public occupied space. The fixed rod 3 is released with an external force, and the elastic force of the spring 16 is used to push the pressing plate 17 to insert the fixed rod 3 into the inner wall of the back plate 5, so that when the footrest 1 and the back plate 5 are folded, fixation is achieved.

[0034] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A folding footrest for a stair lift, comprising a footrest (1), characterized in that: The outer wall of the foot pedal (1) is fixedly mounted with a fixed block (2), the inner wall of the fixed block (2) is slidably sleeved with a fixed rod (3), the outer wall of the fixed rod (3) is fixedly mounted with a pressure plate (17), the outer wall of the fixed rod (3) is movably sleeved with a spring (16), the outer wall of the foot pedal (1) is provided with a rotating rod (8), the outer wall of the rotating rod (8) is rotatably connected with a block (7), the outer wall of the rotating rod (8) is fixedly mounted with a rotating block (9), the outer wall of the rotating block (9) is rotatably connected with a cylinder (11), the outer wall of the block (7) is fixedly mounted with a back plate (5), the outer wall of the back plate (5) is fixedly mounted with a motor (13), the power output shaft of the motor (13) is fixedly equipped with a screw rod (14), the outer wall of the screw rod (14) is slidably connected with a slider (15), the outer wall of the slider (15) is fixedly mounted with a handrail (4), and the top outer wall of the handrail (4) is fixedly provided with a controller (6).

2. A folding footrest for a stair lift according to claim 1, characterized in that: A support plate (12) is fixedly mounted on the outer wall of the back plate (5), and the outer wall of the support plate (12) is rotatably connected to an electric cylinder (10) and an air cylinder (11), and an output end of the controller (6) is electrically connected to input ends of the electric cylinder (10) and the air cylinder (11).

3. A folding footrest for a stair lift according to claim 2, characterized in that: The inner wall of the foot pedal (1) is in contact with the outer wall of the back plate (5), and the outer wall of the foot pedal (1) is fixed to both ends of the rotating rod (8).

4. The foldable footrest for a stair lift according to claim 1, characterized in that: The output end of the controller (6) is electrically connected to the input end of the motor (13), the number of the screw rods (14) is two, and the two screw rods (14) are symmetrically arranged with the handrail (4) as the center.

5. The foldable footrest for a stair lift according to claim 4, characterized in that: The inner wall of the back plate (5) is provided with a circular groove, and the inner wall of the circular groove is matched with the outer wall of the fixing rod (3).

6. The foldable footrest for a stair lift according to claim 1, characterized in that: One end of the spring (16) is fixed to the outer wall of the pressure plate (17), and the other end of the spring (16) is fixed to the inner wall of the fixing block (2).

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