KR200442391Y1 - A transformable wheelchair - Google Patents

Abstract

Variable wheelchair 100 according to the present invention is possible to change the mounting height of the main wheel 130 and the auxiliary wheel 140, and can also freely adjust the mounting position of the brake 150, a variety of folding means 120 It is designed to be variable and fixed in width, so that the handicapped or the elderly can set and use it according to their body, so it is excellent in compatibility, easy to produce, and requires less production cost, and without general tools without various dimensions and types of tools. By using the quick release lever (L) so that they can be easily assembled and disassembled is related to a variable wheelchair (100) that is easy to repair and the variable work with bare hands.

Wheelchair, Folding means, Left and right frames, Main wheel, Auxiliary wheel, Quick release lever

Description

Convertible wheelchair {A transformable wheelchair}

1 is a perspective view of a wheelchair to which the prior art is applied.

Figure 2 is a perspective view of a variable wheelchair to which the technology of the present invention is applied.

Figure 3 is a perspective view showing a state in which the back and the seat removed from the variable wheelchair applied technology of the present invention.

Figure 4 is an exploded perspective view showing a state in which the folding means separated in the variable wheelchair applied technology of the present invention.

Figure 5 is an exploded perspective view showing an exploded state of one side portion in a variable wheelchair applied technology of the present invention.

Figure 6 is an exploded perspective view showing the mounting structure of the auxiliary wheel in the variable wheelchair applied technology of the present invention.

Figure 7 is an exploded perspective view showing the mounting structure of the brake in a variable wheelchair applied technology of the present invention.

8 is an assembled perspective view showing an example in which the folding means is mounted on the left and right frames in the variable wheelchair to which the technology of the present invention is applied.

Figure 9 is a rear view showing a state in which the width of the wheelchair as the maximum showing the rear of the variable wheelchair to which the technology of the present invention is applied.

10 is a rear view showing a state in which the width of the wheelchair is minimized as showing the rear of the variable wheelchair to which the technology of the present invention is applied.

* Explanation of symbols used in the main part of the drawing *

110: left and right frame 120: folding means

121: bar 122, 123: pipe

124: fixed piece 130: main wheel

140 Secondary Wheel 150: Brake

160: armrest 210: mounting bar

220: fork 222: rail

224: Guide 241: Support Bracket

243: support block 245: fixed block

L: Quick Release Lever N: Nut

The present invention relates to a variable wheelchair, and more specifically, the height and width can be freely deformed and can be modified to suit the occupant's body structure, the variable type that can be changed, assembled, and disassembled height and width without tools It's about a wheelchair.

In general, the wheelchair 10 is a device developed so that the disabled or the elderly can move in a sitting state, the height and width are fixed, there was a problem that does not meet the physique of the occupants.

1 is a perspective view of a wheelchair to which the prior art is applied. Looking at the configuration and problems of the conventional wheelchair in more detail as follows.

The wheelchair 10 is pivotally mounted and driven on both sides of the folding means 12 connecting the left and right frames 11 and the left and right frames 11 and the left and right frames 11 correspondingly to chairs. The wheel 15 is fixed to the main wheel 14 and the auxiliary wheel 16 which is installed in front of the left and right frame 11 to change direction and mounted on both sides of the left and right frame 11 and the main wheel 14 The armrest 18 which is fixed to both sides of the brake 17 and the left and right frame 11 to control the rotation of the support arm and the backrest 21 provided at the rear of the left and right frame 11 and the The seat 22 is configured on the upper end of the left and right frames 11 in the direction perpendicular to the backrest 21.

The folding means 12 is configured such that the bar 13 is hinged to the X-shape and arranged back and forth between the left and right frames 11 to be hinged to the left and right frames 11.

The wheelchair 10 is a wheelchair 10 is moved forward or backward by the passenger sitting on the seat 22 and applying a force to the driving wheel 15 fixed to the main wheel 14, the wheelchair 10 In this case, the width and height and the position of the brake 17 is fixed, there is a problem that does not fit the body of the various occupants.

That is, in the case of a dwarf occupant, even if the seat belt is large, the width of the wheelchair 10 is large, and the fall of the wheelchair 10 is unusual. I have to do it.

In particular, when manufacturing, in order to produce a variety of sizes of the wheelchair 10, the parts must be processed in various dimensions, manufacturing is cumbersome, production time is delayed, production costs are high, and without various dimensions and types of tools Difficulty in assembly and disassembly has made it difficult for the public to repair.

In the rental business of the wheelchair 10, there is a hassle to manage by having a wheelchair 10 of various dimensions, and when the wheelchair 10 of the middle size is all rented, it cannot be replaced by a wheelchair 10 of another size. There was this.

In the present invention, in order to solve the above problems, the mounting height of the main wheel and the auxiliary wheel is variable, the mounting position of the brake can be adjusted freely, by configuring the folding means is variable and fixed to a variety of sizes, It can be used by the handicapped or the elderly to fit their own body, so it is highly compatible, easy to produce, low production cost, and easy to repair because it can be easily disassembled and assembled by various people without tools of various dimensions and types. The purpose is to provide a wheelchair.

Hereinafter, looking at the configuration and operation examples and effects of the present invention for achieving the above object.

2 is a perspective view showing a variable wheelchair to which the technology of the present invention is applied, FIG. 5 is an exploded perspective view illustrating a state in which the folding means is separated, FIG. 5 is an exploded perspective view illustrating an disassembled state of one side portion of the variable wheelchair to which the technology of the present invention is applied, and FIG. 6 is an auxiliary wheel in a variable wheelchair to which the technology of the present invention is applied. 7 is an exploded perspective view showing a mounting structure of Figure 7 is an exploded perspective view showing a mounting structure of a brake in a variable wheelchair to which the technology of the present invention is applied, Figure 8 is a folding means mounted to the left and right frame in a variable wheelchair to which the technology of the present invention is applied Assembly perspective view showing an example that is, Figure 9 shows the rear of the variable wheelchair to which the technology of the present invention is applied A rear width of the word showing the maximum state, Figure 10 is applied to the technology of the subject innovation will be described together as as showing the rear side of the wheelchair a rear variable showing the width of the wheelchair is minimized state Fig.

In general, the wheelchair 100 is used as a means of transport for the disabled or the elderly, and the wheelchair 100 is a folding means 120 connecting the left and right frames 110 and the left and right frames 110 corresponding to the chair type. And the main wheel 130 fixed to the rear of both sides of the left and right frame 110 and the driving wheel 131 is fixed and the auxiliary wheel installed in the front of the left and right frame 110 to change the direction ( 140 is mounted on both sides of the left and right frame 110, the brake 150 for controlling the rotation of the main wheel 130 and the armrest 160 is fixed to both sides of the left and right frame 110 to support the arm of the occupant And a seat 180 provided at the back of the left and right frame 110 and the seat 180 formed at the top of the left and right frame 110 in a direction perpendicular to the backrest 170.

The auxiliary wheel 140 is configured to be rotatable between the upper fork 220 formed to be split downward, and the pipe 221 attached to the left and right frame 110 is mounted on the upper end of the fork 220 so as to be rotatable. do.

In the present invention, the height of the main wheel 130 and the auxiliary wheel 140 can be changed, can be controlled to various widths by the folding means 120, and the position of the brake 150 can be adjusted so that a variety of passengers Characterized by being able to match the body shape.

To this end, in the present invention, the main wheel 130 is formed at the rear of the left and right frame 110 so as to be mounted on the left and right frame 110 at various heights, and is formed as a longitudinal shape, and the mounting hole 211 is the main wheel 130. The mounting bar 210 penetrated in the longitudinal direction in the mounting direction is welded.

The main wheel 130 and the mounting bar 210 are fastened to the quick release lever (L) and the quick release lever (L) through the mounting hole 211 and the hub of the main wheel (N) (N) Combined by).

The auxiliary wheel 140 is formed in the longitudinal direction to the front and outside of the left and right frame 110 to be mounted on the left and right frame 110 at various heights, and the rail 222 through which a plurality of fasteners 223 are penetrated. Is attached, the through hole 226 corresponding to the fastener 223 is also drilled in the left and right frame 110, of course. The guide 224, which is inserted into the rail 222 and moves up and down and is formed above the fastener 223, is attached to the pipe 221.

The rail 222 is formed with a groove 227 penetrating longitudinally so that the guide 224 is inserted and extending in both sides, and the guide 224 is formed longitudinally so as to be inserted into the groove 227 and protrudes in both sides. The protrusion 228 is configured to fit in the groove 227, the quick release lever (L) is the through hole 226 of the left and right frame 110 and the fastener 223 of the rail 222 and the guide ( It is inserted into the through hole 225 of 224 and is fastened to the nut (N).

A plurality of through holes 231 are vertically formed in a portion divided downward to allow the auxiliary wheel 140 to be mounted in the fork 220, so that the quick release lever L has the through holes 231 and the auxiliary wheel 140. It is possible to mount the auxiliary wheel 140 by fastening to the nut (N) through the hub of the.

On both sides of the left and right frame 110, the plate 151, in which the slot 153 is formed long forward and backward, is welded to allow the brake 150 to be mounted, thereby allowing the quick release lever L to penetrate the slot 153. The brake 150 is fixed by the.

The left and right frame 110 is attached to the support bracket 241 is formed with a plurality of support holes 242 in the vertically spaced downward and spaced apart from the front and rear to allow the mounting of the folding means 120, the folding means 120 is upward A support block 243 having a recess 244 formed at an upper end thereof is formed to be loaded.

The front of the mounting bar 210 is fixed to the fixing block 245 is formed with a plurality of fixing holes 246 so that the width of the folding means 120 is fixed, the fixing hole 246 is from the top to the bottom inside It is arranged to be inclined toward the direction.

The folding means 120 is a bar 121 hinged to the X-shape is arranged before and after, the upper and lower ends of the bar 121 is connected to the pipes (122, 123), it is arranged on both sides of the rear Each plate 121 is coupled to the fixing block 245, the plate-shaped fixing piece 124 is formed by a plurality of horizontally set holes (H) so as to fix the width of the folding means 120 is hinged.

Thus, the pipe 123 formed on the upper side of the folding means 120 is loaded on the support block 243, the lower pipe 122 is located between the support bracket 241, the head 126 is The connection bar 125 formed at one side passes through the support hole 242 of the support bracket 241, passes through the pipe 122, and passes through the support hole 242 of the support bracket 241. The split pin BP is fastened to the pinhole 127 bored at the end of the configuration.

The fixing piece 124 is configured to match the setting hole (H) to the fixing hole 246 of the fixing block 245, and then to pass through the shaft 128 to be fastened by the split pin (SP).

Looking at the operation example of the present invention by the above configuration.

In order to adjust the height of the variable wheelchair 100 according to the present invention, the main wheel 130 to be mounted through the desired mounting hole 211 of the plurality of mounting holes 211 formed in the mounting bar 210, the auxiliary wheel 140 is to control the guide 224 up and down so that the through hole 225 of the guide 24 is fixed through one of the fasteners 223 of the rail 222, the auxiliary wheel 140 is Fine adjustment of the height is possible through the through hole 231 formed in the fork 220.

The brake 150 may be variably fixed according to the user's convenience by being able to move back and forth along the slot 153 formed on the plate 151.

In order to maximize the width of the variable wheelchair 100 according to the present invention, the pipe 122 formed below the folding end 120 is positioned at the support hole 242 formed at the top of the support bracket 241. It is fixed by the connection bar (125). The outermost setting hole H of the fixing piece 124 corresponds to the fixing hole 246 formed at the top of the fixing block 245 so that the shaft 128 is penetrated and fixed.

In order to narrow the width of the variable wheelchair 100 to a minimum, the pipe 122 formed below the folding means 120 is positioned in the support hole 242 formed at the bottom of the support bracket 241, and then the connection bar. Fix it with (125). In addition, the innermost setting hole H of the fixing piece 124 corresponds to the fixing hole 246 formed at the bottom of the fracture block 245 so that the shaft 128 is penetrated and fixed.

The width of the variable wheelchair 100 can be modified in various sizes by the above method.

The reason for arranging the fixing holes 246 of the fixing block 245 inclined downward toward the inner side is that when the bar 121 is opened, the fixing piece 124 moves upwards and outwards, and conversely, when the narrowing holes are narrowed downwards, Because it moves.

According to the present invention by the above configuration and operation, the width and height of the variable wheelchair 100 and the position of the brake 150 can be adjusted freely, there is an advantage that can be compatible with any body shape, various dimensions during production It is not necessary to manufacture the parts of the easy and quick production is possible to produce less cost, the main wheel 130, the auxiliary wheel 140 and the brake 150 to fasten the left and right frame 110, quick In order to use the release lever (L), and to attach the folding means 120, the connecting bar 125 and the shaft 128 into which the split pins BP and SP are inserted can be easily disassembled and removed. There is an advantage that the repair is easy, and the variable work can be done with bare hands, and the rental business does not need to be equipped with a wheelchair of various dimensions.

According to the present invention by the above configuration, the mounting height of the main wheel and the auxiliary wheel can be changed, the mounting position of the brake can be freely adjusted, and the folding means is configured to be variable and fixed in various widths, It is easy for the elderly to set up and use it according to their body, so it is excellent in compatibility, and it is easy to produce, which requires less production cost. The variable operation is also possible.

Claims (3)

Left and right frame 110 is configured to correspond to the chair type, Folding means 120 for connecting the left and right frames 110, A main wheel 130 mounted rotatably on both sides of the left and right frames 110 and having a driving wheel 131 fixed thereto; It is installed in front of the left and right frame 110 and the auxiliary wheel 140 to change direction, and Brakes 150 mounted on both sides of the left and right frame 110 to control the rotation of the main wheel 130, It is fixed to both sides of the left and right frame 110 is composed of the armrest 160 to support the arm of the occupant, The auxiliary wheel 140 is configured to be rotatable between the upper fork 220 formed to be divided downward, In the wheelchair 100, the pipe 221 attached to the left and right frame 110 is mounted on the top of the fork 220 so as to be rotatable. A mounting bar 210 having a plurality of mounting holes 211 is attached to the rear of the left and right frames 110 to allow height adjustment of the main wheel 130. The rail 222 is formed in the longitudinal direction of the front and rear of the left and right frame 110 and the plurality of fasteners 223 are formed in the longitudinal direction to enable the height adjustment of the auxiliary wheel 140, The through hole 226 corresponding to the fastener 223 is drilled in the left and right frame 110 to which the rail 222 is attached, A guide 224 having a through hole 225 corresponding to the fastener 223 and upwardly moving in accordance with the rail 222 is attached to the pipe 221. A plurality of through holes 231 are formed in a split portion of the fork 220 on which the auxiliary wheel 140 is mounted. The brake 150 is configured by attaching a plate 151 having slots 153 formed in front and rear on both sides of the left and right frames 110 to be mounted by changing the position of the brake 150. A support bracket 241 through which a plurality of support holes 242 are vertically attached is attached to the lower side of the left and right frames 110 to allow the folding means 120 to be mounted thereon. Above the left and right frame 110, a support block 243 having a recessed portion 244 formed thereon is mounted to allow the folding means 120 to be loaded. A fixing block 245 having a plurality of fixing holes 246 formed therein is attached to the front of the mounting bar 210 to allow the controlled width of the folding means 120 to be fixed. The folding means 120 is a bar 121 is hinged to the X-shape is arranged before and after, Upper and lower ends of the bar 121 are connected to pipes 122 and 123, Plate-shaped fixing pieces 124 formed with a plurality of horizontal holes H corresponding to the fixing holes 246 of the fixing blocks 245 are hingedly coupled to both side bars 121 disposed at the rear side, The pipe 122 formed below the folding means 120 and the support hole 242 of the support bracket 241 pass through a connection bar 125 having a head 126 and a split pin at the connection bar 125. (BP) is concluded, The setting hole H of the fixing piece 124 and the fixing hole 246 of the fixing block 245 are configured by the shaft 128 penetrating and the split pin SP fastened to the shaft 128. Adjustable wheelchair. The method of claim 1, The main wheel 130, the auxiliary wheel 140 and the brake 150 is a variable wheelchair, characterized in that attached to the left and right frame 110 by a quick release lever (L) and a nut (N). The method of claim 1, The fixed hole 246 of the fixed block 245 is a variable wheelchair, characterized in that configured to be arranged inclined downward toward the inner side.

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