Wheelchair with folding function

Abstract

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair with a folding function, which comprises two main girders, front wheels are mounted at the front ends of the outer walls of opposite sides of the two main girders, rear wheels are mounted at the right ends of the outer walls of the two main girders, and bearing parts for bearing personnel are arranged above the outer walls of the main girders. According to the electric wheelchair, the structure of an existing electric wheelchair is improved, the folding frame is pulled to rotate through the arranged electric control telescopic cylinder, so that the folding frame can pull the supported main supporting rod to rotate, and therefore the folding frame can be used for supporting the main supporting rod to rotate; the chair plate can be folded on the main girder, and the leaning plate can be folded on the chair plate through the arc-shaped support, so that the wheelchair can be automatically folded and unfolded, the steps in which people participate when the wheelchair is folded are simplified, and a new user can conveniently fold and use the wheelchair.

Description

Technical Field

[0001] The utility model relates to the technical field of wheelchairs, in particular to a wheelchair with a folding function. Background Art

[0002] A wheelchair is an assistive device used to help people with limited mobility move around. It usually consists of a seat, a backrest and a pair of wheels, and some wheelchairs are also equipped with armrests and footrests. Wheelchairs can be manually propelled or powered, making it easier for users to move around indoors and outdoors.

[0003] In order to facilitate the storage or carrying of existing wheelchairs, the wheelchairs are provided with a folding mechanism so that they can be placed in a means of transportation. However, the folding method of existing wheelchairs often requires the personnel to first pull or remove the mechanism used to stabilize the wheelchair so that the wheelchair can be folded along the provided bending mechanism. When in use, the wheelchair also needs to be opened and fixed at the bending mechanism to prevent the wheelchair from being deformed.

[0004] Although the manual folding method can also achieve the purpose of folding the wheelchair, for users who are not familiar with the folding structure and method of the wheelchair, it takes a lot of time and energy to fold the wheelchair, which is not convenient for new users. Therefore, the existing wheelchair folding method still has certain shortcomings.

[0005] In summary, it is necessary to invent a wheelchair with a folding function. Utility Model Content

[0006] To this end, the utility model provides a wheelchair with a folding function to solve the problem that for users who are not familiar with the folding structure and method of the wheelchair, it takes a lot of time and energy to fold the wheelchair, which is inconvenient for new users to use.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wheelchair with a folding function, comprising a main beam, front wheels are installed at the front ends of the outer walls on opposite sides of the two main beams, rear wheels are installed at the right ends of the outer walls of the two main beams, a bearing component for carrying a person is arranged above the outer wall of the main beam, and a folding component is arranged on the opposite side of the main beam and below the bearing component.

[0008] Preferably, the folding component includes an electric telescopic cylinder, a U-shaped fixing frame is hinged at the rear end of the outer wall of the electric telescopic cylinder, a fixing rod is fixed to the side of the U-shaped fixing frame away from the electric telescopic cylinder, and both ends of the fixing rod are connected to the outer wall on the opposite side of the main beam and close to the front wheel.

[0009] Preferably, the output end of the electric telescopic cylinder is rotatably connected to a folding frame, the upper ends of the folding frame are fixedly connected to lower connecting rods, and bottom mounting side plates are installed on the outer walls on opposite sides of the two main beams and below the two ends of the lower connecting rods.

[0010] Preferably, the rear ends of the outer walls on the opposite sides of the two bottom mounting side panels are rotatably connected to main support rods, the outer walls on the opposite sides of the bottom mounting side panels and the front ends of the main support rods are rotatably connected to secondary support rods, and both ends of the lower connecting rod are rotatably connected to corresponding positions on the outer walls on the opposite sides of the two main support rods.

[0011] Preferably, the bearing component includes a seat board, a backrest board is hinged on the rear side of the outer wall of the seat board, seat fixing brackets for supporting the seat board are arranged on both sides of the bottom end of the outer wall of the seat board, and the upper ends of the main support rod and the auxiliary support rod are rotatably connected to the inner wall side ends of the seat fixing brackets at corresponding positions.

[0012] Preferably, an upper connecting rod is installed on the outer wall opposite to the main support rod and above the bottom mounting side plate, and an arc-shaped bracket is fixed to the rear side of the outer wall of the upper connecting rod. One end of the arc-shaped bracket away from the upper connecting rod is rotatably connected to the bottom end of the outer wall of the backrest plate and to the connection with the seat plate.

[0013] Preferably, the bottom mounting side plate is rotatably connected to a rotating pin on the outer wall on the side opposite to the main support rod and located below the lower connecting rod, and the rotating pin is rotatably connected to a lower pull rod on the outer wall on the side close to the electric control telescopic cylinder, and the lower pull rods are connected by a rotating short shaft.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, the existing electric wheelchair structure is improved, and the folding frame is rotated by pulling the electrically controlled telescopic cylinder, so that the folding frame can pull the main supporting rod to rotate, so that the seat plate can be folded on the main beam, and the backrest plate will be folded on the seat plate through the arc-shaped bracket. In this way, the wheelchair can be automatically folded and opened, which simplifies the steps of personnel participation when folding the wheelchair, and is convenient for new users to fold and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model in the front view direction;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model after folding;

[0018] Figure 3 For this utility model Figure 1 A schematic diagram of the three-dimensional structure of the folding parts of the wheelchair;

[0019] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the foldable component of the utility model when it is folded;

[0020] Figure 5 It is a schematic diagram of a partial three-dimensional structure of the folding component in the utility model in the front view direction;

[0021] Figure 6 For this utility model Figure 4 A schematic diagram of the three-dimensional structure after removing the seat fixing bracket;

[0022] Figure 7 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above;

[0023] Figure 8 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above after being folded.

[0024] In the figure: 100, seat plate; 110, backrest plate; 120, seat fixing bracket; 200, electric telescopic cylinder; 210, folding frame; 211, lower connecting rod; 220, bottom mounting side plate; 221, main support rod; 222, auxiliary support rod; 223, rotating pin; 224, lower pull rod; 225, upper connecting rod; 300, main beam. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0026] See attached Figure 1-8 The utility model provides a wheelchair with a folding function, comprising a main beam 300, front wheels are installed at the front ends of the outer walls on the opposite sides of the two main beams 300, and rear wheels are installed at the right ends of the outer walls of the two main beams 300. The front wheels and rear wheels are provided to facilitate people to push it to move. A bearing component for carrying people is provided above the outer wall of the main beam 300, and the bearing component is provided to facilitate people to sit. The bearing component includes a seat plate 100, a leaning plate 110 is hingedly connected to the rear side of the outer wall of the seat plate 100, and seat fixing brackets 120 for supporting the seat plate 100 are provided on both sides of the bottom end of the outer wall of the seat plate 100. The upper ends of the main support rods 221 and the auxiliary support rods 222 are rotatably connected to the corresponding positions of the inner wall side ends of the seat fixing brackets 120. Specifically, the leaning plate 110 and the seat plate 100 can be bent and folded, and the seat fixing brackets 120 are provided to support the bottom end of the seat plate 100.

[0027] A folding component is provided on the opposite side of the main beam 300 and below the bearing component. The folding component includes an electric telescopic cylinder 200. A U-shaped fixing frame is hingedly connected to the rear end of the outer wall of the electric telescopic cylinder 200. A fixing rod is fixed to the side of the U-shaped fixing frame away from the electric telescopic cylinder 200. Both ends of the fixing rod are connected to the outer wall of the opposite side of the main beam 300 and the side close to the front wheel. The curved fixing frame is provided to support the rear end of the electric telescopic cylinder 200, and the fixing rod is provided to connect and fix the rear end of the electric telescopic cylinder 200 to the main beam 300. The output end of the electric telescopic cylinder 200 is rotatably connected to a folding frame 210. The folding frame 210 enables the wheelchair to be opened or folded by pulling the lower connecting rod 211. The upper ends of the folding frames 210 are fixedly connected to the lower connecting rod 211. The opposite sides of the two main beams 300 The bottom mounting side plates 220 are installed on the outer wall and below the two ends of the lower connecting rod 211, and the bottom mounting side plates 220 are provided to connect and rotate the bottom ends of the main support rod 221 and the auxiliary support rod 222. The rear ends of the outer walls on the opposite sides of the two bottom mounting side plates 220 are both rotatably connected with the main support rod 221, and the outer walls on the opposite sides of the bottom mounting side plates 220 and the front ends of the main support rod 221 are both rotatably connected with the auxiliary support rod 222, and the main support rod 221 and the auxiliary support rod 222 are provided to connect the seat fixing bracket 120, so that the seat fixing bracket 120 can support the bottom end of the seat plate 100, and the main support rod 221 and the auxiliary support rod 222 can play the purpose of supporting the seat plate 100, and the two ends of the lower connecting rod 211 are rotatably connected to the corresponding positions of the outer wall on the opposite side of the two main support rods 221;

[0028] An upper connecting rod 225 is installed on the outer wall of one side opposite to the main support rod 221 and above the bottom mounting side plate 220. An arc-shaped bracket is fixed to the rear side of the outer wall of the upper connecting rod 225. One end of the arc-shaped bracket away from the upper connecting rod 225 is rotatably connected to the bottom end of the outer wall of the backrest plate 110 and the connection with the seat plate 100. The upper connecting rod 225 is provided so that when the main support rod 221 is pulled and folded by the lower connecting rod 211, it can bend and fold the backrest plate 110 toward the direction of the seat plate 100 through the arc-shaped bracket, so that the backrest plate 110 can be folded on the seat plate On 100, the outer wall of the side opposite to the main support rod 221 of the bottom mounting side plate 220 and located below the lower connecting rod 211 is rotatably connected with a rotating pin 223, and the outer wall of the side close to the electric control telescopic cylinder 200 is rotatably connected with a lower pull rod 224, and the lower pull rods 224 are connected by a rotating short axis. The rotating pin 223 and the lower pull rod 224 are provided to enhance the stability of the connection between the main support rod 221 and the bottom mounting side plate 220, and the rotation between the rotating pin 223 and the lower pull rod 224 can avoid obstruction to the folding of the main support rod 221.

[0029] The use process of the utility model is as follows: when a person needs to fold the electric wheelchair disclosed by the utility model, the electric control telescopic cylinder 200 can be started to extend by power through the switch of the wheelchair armrest, and the output end of the electric control telescopic cylinder 200 will push the folding frame 210 to move toward the rear side of the wheelchair when extending, and the upper end of the folding frame 210 will pull the lower connecting rod 211 to move forward and downward when the folding frame 210 moves, and the lower connecting rod 211 will pull the main support rod 221 and the auxiliary support rod 222 to rotate downward with the bottom mounting side plate 220 as the hinge center, so that the upper end of the main support rod 221 and the seat fixing bracket 120 can move downward, so that the seat The board 100 can be folded to the top of the main beam 300, and the upper connecting rod 225 arranged at the same time can pull the backrest board 110 to bend and fold in the direction of the seat board 100 through the arc-shaped bracket when the main support rod 221 is pulled and folded by the lower connecting rod 211, so that the backrest board 110 can be folded on the seat board 100, and the seat board 100 will fold on the main beam 300, so that the wheelchair can be folded. When people need to use it, they only need to control the output end of the electric telescopic cylinder 200 to retract through the switch, so that the folding frame 210 can rotate in the opposite direction, so that the seat board 100 and the backrest board 110 are opened, and people can sit directly.

[0030] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A wheelchair with a folding function, comprising a main beam (300), front wheels are installed at the front ends of the outer walls on opposite sides of two main beams (300), rear wheels are installed at the right ends of the outer walls of the two main beams (300), and a bearing component for carrying a person is arranged above the outer wall of the main beam (300), characterized in that: A folding component is provided on the opposite side of the main beam (300) and below the bearing component, the folding component comprising an electric telescopic cylinder (200), a U-shaped fixing frame is hingedly connected to the rear end of the outer wall of the electric telescopic cylinder (200), a fixing rod is fixed to the side of the U-shaped fixing frame away from the electric telescopic cylinder (200), both ends of the fixing rod are connected to the outer wall of the opposite side of the main beam (300) and close to the front wheel, the output end of the electric telescopic cylinder (200) is rotatably connected to a folding frame (210), the upper end of the folding frame (210) is fixedly connected to a lower connecting rod (211), bottom mounting side plates (220) are installed on the outer walls of the opposite sides of the two main beams (300) and below the two ends of the lower connecting rod (211), and the two bottom mounting side plates (220) are installed on the outer walls of the two opposite sides of the two main beams (300) and below the two ends of the lower connecting rod (211), and the two bottom mounting side plates (220) are fixed to the outer walls of the two opposite sides of the two main beams (300). The rear end of the outer wall on the opposite side of the bottom mounting side plate (220) is rotatably connected to a main support rod (221), the outer wall on the opposite side of the bottom mounting side plate (220) and the front end of the main support rod (221) are rotatably connected to a secondary support rod (222), both ends of the lower connecting rod (211) are rotatably connected to the corresponding positions of the outer wall on the opposite side of the two main support rods (221), the bearing component includes a seat plate (100), the rear side of the outer wall of the seat plate (100) is hinged with a leaning plate (110), and both sides of the bottom end of the outer wall of the seat plate (100) are provided with seat fixing brackets (120) for supporting the seat plate (100), and the upper ends of the main support rod (221) and the secondary support rod (222) are rotatably connected to the corresponding positions of the inner wall side ends of the seat fixing bracket (120).

2. A wheelchair with folding function according to claim 1, characterized in that: An upper connecting rod (225) is installed on the outer wall opposite to the main support rod (221) and above the bottom mounting side plate (220); an arc-shaped bracket is fixed to the rear side of the outer wall of the upper connecting rod (225); one end of the arc-shaped bracket away from the upper connecting rod (225) is rotatably connected to the bottom end of the outer wall of the backrest plate (110) and to the connection point with the seat plate (100).

3. A wheelchair with folding function according to claim 2, characterized in that: The outer wall of the bottom mounting side plate (220) on the side opposite to the main support rod (221) and located below the lower connecting rod (211) is rotatably connected to a rotating pin (223), and the outer wall of the side of the rotating pin (223) close to the electric control telescopic cylinder (200) is rotatably connected to a lower pull rod (224), and the lower pull rods (224) are connected via a rotating short shaft.

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