KR200406017Y1 - Folding and unfold device of footrest for wheelchair - Google Patents

Abstract

The present invention relates to a folding device for a wheelchair scaffold configured to be detachable as well as detachable to the left and right frames,

Left and right frames 106 and 107 provided with the backrest 101 and the handle 102 at the rear and the seat 103 and the armrest 104 at the center and the front; A main wheel 109 installed by mounting drive rings 108 on both sides of the left and right frames 106 and 107; An auxiliary wheel 110 installed in front of the main wheel 109; Brakes 111 installed on both sides of the left and right frames 106 and 107 to stop the wheelchair 100; The side of the left and right frame (106,107) is a wheelchair (100) comprising a footrest (115) for keeping the foot of the user in a comfortable state;

The scaffold 115 has a scaffold frame 116 provided to be separated from the left and right frames 106 and 107; A base 117 that is foldably coupled to allow the foot to be mounted on the scaffold frame 116; The left and right frames 106 and 107 and the scaffold frame 116 further include folding means 120 so that the scaffold 115 can be folded or separated to both sides of the left and right frames 106 and 107.

Wheelchair, footrest, folding

Description

Folding and unfold device of footrest for wheelchair

1 is a perspective view of a wheelchair shown to explain the present invention.

Figure 2 is a perspective view showing an extract of a footrest folding device for wheelchairs applied technology of the present invention.

3 is a cross-sectional view taken along line A-A of the footrest folding device for wheelchairs shown in FIG.

4 is a cross-sectional view taken along line B-B of the footrest folding device for wheelchairs shown in FIG.

* Description of the symbols used in the main parts of the drawings *

100; bathchair

115; Scaffolding

120; Folding means

121; fixed bracket

122; Movable Bracket

126; Intermittent pin

127; Construction

130; Intermittent

132; Release lever

200; Scaffolding

The present invention relates to a footrest folding device for wheelchairs, and more particularly, to provide a footrest folding device improved to facilitate the folding and separation of the footrest provided in the front of the frame.

Wheelchairs are one of the medical devices that help patients with physical disabilities and the elderly who are inconvenient to move easily. These wheelchairs are manual type which drives wheels by manpower and electric type which drives wheels using electric device. And the like.

Such a wheelchair is provided with main wheels on both sides of the frame constituting the wheelchair, and auxiliary wheels are installed on both ends of the frame to provide ease of movement.

As shown in FIG. 1, the wheelchair 100 is provided to be folded and has a backrest 101 and a handle 102 at the rear for convenient seating, and a seat 103 for seating at the center and front. And left and right frames 106 and 107 in the form of rough steps having armrests 104.

On both sides of the left and right frames 106 and 107, the main wheel 109 equipped with the driving ring 108 is installed, and the auxiliary wheel 110 is installed in front of the main wheel 109 so that the wheelchair 100 is provided. The brake 111 is configured to allow movement and to stop the wheelchair 100 being moved on both sides of the left and right frames 106 and 107.

The left and right frames 106 and 107 below the side of the frame is provided with a footrest 115 for keeping the feet of the wheelchair users in a comfortable state.

The scaffold to which the prior art is applied is composed of a scaffold frame fixed to the left and right frames and a base rotatably coupled to the scaffold frame.

In the above configuration, the folding or separating of the entire footrest is impossible, and since only the base constituting the footrest is provided to be folded with respect to the footrest frame, it causes significant inconvenience when the user wants to get out of the wheelchair.

That is, in the process of using the wheelchair, if you want to get on the wheelchair or get off from the wheelchair, it becomes impossible to easily get on and off because the jam phenomenon occurs due to the footrest.

In particular, most wheelchairs are used by the elderly, the elderly, or people with physical disabilities, so it is easy to check how uncomfortable the constraints caused by the footrest.

Therefore, the present invention is designed to solve the above problems, so that the footrest can be folded as well as detachable with respect to the left and right frames, so that the boarding and getting off the wheelchair can be free, as well as the chair and the bed. The goal is to contribute to improving the quality of the wheelchair itself while contributing to the improvement of convenience for the users by making the approach as close as possible.

Hereinafter, with reference to the accompanying drawings will be described the configuration and operation of the present invention for achieving the above object.

1 is a perspective view of a wheelchair shown to explain the present invention, Figure 2 is a perspective view showing an extracting the footrest folding device for wheelchairs to which the technology of the present invention is applied, Figure 3 is a footrest folding device for wheelchair shown in FIG. 4 is a cross-sectional view taken along the B-B line of the footrest folding device for wheelchair shown in FIG.

The conventional wheelchair 100 is provided to be folded and has a backrest 101 and a handle 102 at the rear to facilitate the user's sitting, and seat 103 and armrest 104 for seating at the center and front. The branch is provided with left and right frames 106 and 107 in a rough step shape.

On both sides of the left and right frames 106 and 107, the main wheel 109 equipped with the driving ring 108 is installed, and the auxiliary wheel 110 is installed in front of the main wheel 109 so that the wheelchair 100 is provided. The brake 111 is configured to allow movement and to stop the wheelchair 100 being moved on both sides of the left and right frames 106 and 107.

The left and right frames 106 and 107 below the side of the frame is provided with a footrest 115 for keeping the feet of the wheelchair users in a comfortable state.

In the present invention, the footrest 115 can be folded in the outward direction with respect to the left and right frames 106 and 107, as well as detachable and freely provided, so that it is possible to easily get on and off the wheelchair. do.

To this end, the scaffold 115 has a scaffold frame 116 separated from the left and right frames 106 and 107, and the scaffold frame 116 includes a scaffold frame 116 having a base 117 on which a user's foot can be placed. 116) is provided foldable.

The folding frame 120 is provided on the left and right frames 106 and 107 and the scaffold frame 116 so that the scaffold 115 can be folded or separated on both sides of the left and right frames 106 and 107 and then combined again.

The folding means 120 includes a fixed bracket 121 fixed to the left and right frames 106 and 107 by holding a predetermined width and a movable bracket 122 fixed to the scaffold frame 116.

The hinge bracket 123 protrudes in the inner side of the fixed bracket 121, and the shaft hole 124 is formed in the inner side of the movable bracket 122 to allow the movable bracket 122 to rotate freely with respect to the fixed bracket 121. It is detachable.

In the center of the outer surface 125 of the fixing bracket 121 is provided with an intermittent pin 126 for restricting the movement of the movable bracket 122, and the movable bracket 122 corresponding to the intermittent pin 126 has a key Means 127 are provided to select the locking and disengaging of the movable bracket 122.

The locking means 127 forms a pinhole 128 in the movable bracket 122 in which the interruption pin 126 is located, and controls the head of the interruption pin 126 on the outside of the pinhole 128. An intermittent plate 130 having a hole 129 is provided.

One side of the intermittent plate 130 is intermittently interposed with the footrest so that the intermittent state of the intermittent pin 126 can be released by the release lever 132 provided inside the movable bracket 122 through the spring 131. Configure the device 200.

Footrest folding device 200 for a wheelchair of the present invention as described above,

When the initial state is viewed using the wheelchair 100, the footrest 115 is located in front of the left and right frames 106 and 107, and the base 117 coupled to the footrest frame 116 is unfolded and roughly L-shaped. Doing

At this time, the hinge bracket 123 and the shaft hole 124 are coupled to the fixed bracket 121 provided on the left and right frames 106 and 107 and the movable bracket 122 provided on the scaffold frame 116. Since the intermittent pin 126 of 121 is interrupted by the locking means 127 provided in the movable bracket 122, the intermittent pin 126 is not moved.

When the wheelchair user wants to get off from the wheelchair in such a state, the dismantling lever 132 constituting the locking means 127 provided inside the movable bracket 122 is pulled out.

Then, the intermittent plate 130 fixed to the movable bracket 122 via a spring is lifted slightly, and the intermittent hole 129 formed in the intervening plate 130 intermittently clamps the head of the intermittent pin 126. Since the movable bracket 122 is out of the state, the movable bracket 122 can freely move with respect to the fixed bracket 121.

In the above state, the footrest 115 may be opened in the outward direction of the left and right frames 106 and 107 around the hinge shaft 123 and the shaft hole 124, and when it is possible to get off in this state, the footrest ( What is necessary is just to get off in the state which opened 115) outward.

If it is impossible to get off even in the state in which the scaffold 115 is opened in the outward direction, the scaffold 115 may be separated from the left and right frames 106 and 107 and then unloaded.

At this time, since the shaft hole 124 formed in the movable bracket 122 fixed to the footrest 115 is coupled to the hinge shaft 123 formed on the fixed bracket 121 fixed to the left and right frames 106 and 107. Grasp the footrest 115 and move upwards to allow separation naturally.

After separating the footrest 115, after getting off or riding, the separated footrest 115 is coupled, and then, by rotating the footrest inwardly, the fixing bracket (127) is provided by the locking means 127 provided in the movable bracket 122. By interrupting the intermittent pins 126 provided in the 121, it is possible to maintain a state that can not be lifted.

This is, while the fixing bracket 121 and the outer surface of the movable bracket 122 are connected to each other, the intermittent pin 126 enters into the pinhole 128 formed in the movable bracket 122 and is coupled to the outside of the movable bracket 122. The head of the intermittent pin 126 is caught by a "click" in the intermittent hole 129 of the intermittent intermittent plate 130.

That is, since one side of the intermittent plate 130 is in a fixed state with the movable bracket 122 through the spring, the intervening plate 130 is slightly raised by the spring and the head of the intervening pin 126 is accommodated. It is caused by returning to the state.

The present invention as described above can be folded to the left, right frame, as well as detachable configuration to allow free riding and getting off the wheelchair, as well as access to the chair or bed as close as possible to the user's convenience It is designed to have various effects such as to contribute to the improvement of the quality of the wheelchair while contributing to the improvement.

Claims (2)

Left and right frames 106 and 107 provided with the backrest 101 and the handle 102 at the rear and the seat 103 and the armrest 104 at the center and the front; A main wheel 109 installed by mounting drive rings 108 on both sides of the left and right frames 106 and 107; An auxiliary wheel 110 installed in front of the main wheel 109; Brakes 111 installed on both sides of the left and right frames 106 and 107 to stop the wheelchair 100; The side of the left and right frame (106,107) is a wheelchair (100) comprising a footrest (115) for keeping the foot of the user in a comfortable state; The scaffold 115 has a scaffold frame 116 provided to be separated from the left and right frames 106 and 107; A base 117 that is foldably coupled to allow the foot to be mounted on the scaffold frame 116; The left and right frames 106 and 107 and the scaffold frame 116 further include folding means 120 so that the scaffold 115 can be folded or separated on both sides of the left and right frames 106 and 107; The folding means 120 includes a fixed bracket 121 and a movable bracket 122 fixed to the left and right frames 106 and 107 and the scaffold frame 116; A hinge shaft 123 protruding inside the fixing bracket 121; A shaft hole 124 formed to be coupled to the hinge shaft 123 inside the movable bracket 122 to allow the movable bracket 122 to be freely rotated and detachable with respect to the fixed bracket 121; An intermittent pin (126) provided at the center of the outer surface (125) of the fixing bracket (121) to limit the movement of the movable bracket (122); Footrest folding device for a wheelchair, characterized in that provided in the movable bracket (122) corresponding to the intermittent pin (126) for selecting the locking and release of the movable bracket (122). The method of claim 1; The locking means 127 includes a pin hole 128 formed in the movable bracket 122 in which the intermittent pins 126 are located; An intermittent plate (130) formed by forming an intermittent hole (129) to control the head of the intermittent pin (126) on the outer side of the pin hole (128); One side of the intermittent plate 130 is intermittently interposed through the spring 131, the footrest folding device for a wheelchair, characterized in that controlled by the release lever 132 provided on the inside of the movable bracket (122).

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