JP2010194193A - Walk assisting tool - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a walk assisting tool having a pair of frames, which support wheels at the lower end and are connected in a way able to rock to the upper end, wherein it is possible to raise safety, appearance, and comfortability. <P>SOLUTION: A recess in an axial direction is formed in the rear side of a front frame 2, so that at least a part of a back frame 3 can enter the recess and to be held when both the frames 2 and 3 rock and are closed. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a walking aid. More specifically, the present invention relates to a walking aid having a wheel and a pair of frames that support the wheel at the lower end and are pivotably connected at the upper end.

  As a conventional walking aid having a wheel and a pair of frames that support the wheel at the lower end and are swingably connected at the upper end, for example, a front frame that pivotally supports a front wheel 103 as shown in FIG. 104 and a rear frame 106 that pivotally supports a rear wheel 105, and a bracket 101 projecting rearward of the front frame 104 is attached to the middle of the front frame 104, and close to the rear end of the bracket 101. There is a type in which a swing shaft 102 is attached to the position in the left-right direction and the rear frame 106 is swingably connected to the front frame 104 via the swing shaft 102 (Patent Document 1).

Utility Model Registration No. 057260

  However, in the walking aid of Patent Document 1, when the rear frame 106 is pulled toward the front frame 104, in other words, when the pair of frames 104 and 106 are swung and closed, the bracket 101 protrudes rearward. Since the gap is generated between the front frame 104 and the rear frame 106 as much as the swing shaft 102 is separated from the front frame 104, there is a problem that the appearance is impaired. Therefore, it cannot be said that the walking aid of Patent Document 1 is excellent in appearance.

  On the other hand, in the walking aid 100 of Patent Document 1, when the swing shaft 102 is disposed in the immediate vicinity of the front frame 104 in order to eliminate the gap between the frames 104 and 106, the pair of frames 104 and 106 are swung. When closed by swinging around the moving shaft 102, that is, when the legs are closed, there is a problem that a finger is caught because there is no gap between the frames 104 and 106, particularly in the vicinity of the swinging shaft 102. That is, when the swing shaft is arranged on any frame or in the immediate vicinity of the frame, it cannot be said that the safety is excellent.

  Accordingly, an object of the present invention is to provide a walking aid that can improve safety, appearance, and comfort.

  In order to achieve this object, the walking aid according to claim 1 is a walking aid having a wheel and a pair of frames that support the wheel at the lower end and are swingably connected at the upper end. An axial recess is formed on the side of the frame facing the other frame, and at least a part of the other frame enters and is accommodated in the recess when the pair of frames swings and closes. .

  The invention according to claim 2 is the walking aid according to claim 1, wherein the pair of frames includes a front frame and a rear frame, the recess is formed on the rear side of the front frame, and at least one of the rear frames. The portion is accommodated in the recess of the front frame.

  Therefore, according to this walking aid, since the other frame is accommodated in one frame of the pair of frames, it looks like one as a whole when the pair of frames are closed.

  According to a third aspect of the present invention, there is provided the walking assisting device according to the first aspect, further comprising a sliding rocking shaft for connecting the pair of frames so as to be rockable, and the sliding rocking shaft being a long hole in the front-rear direction. The slidable support is used. In this case, since the swing shaft for connecting the pair of frames is slidably supported by the elongated holes in the front-rear direction, the position of the swing shaft for connecting the pair of frames is the front-rear direction. Moving.

  According to a fourth aspect of the present invention, there is provided the walking assist device according to the first aspect, wherein the frame is attached between the pair of frames so as to be spanned between the pair of frames. An arch is provided for guiding the direction so as not to shake. In this case, since the arches spanned between the pair of frames are provided, when the pair of frames are swung to be closed, the axial positions of the frames coincide with each other without shaking. The frame swings and closes.

  Further, the invention according to claim 5 is the walking aid according to claim 1, wherein the walking aid is spanned between the pair of frames so that both ends thereof can swing with respect to each of the pair of frames, and at least one end is a pair. An end that is mounted to be slidable with respect to one of the frames and has an arch with a lifting member connected to the slidable end, and is slidable through the lifting member The part is lifted to increase the inclination of the arch with respect to the pair of frames, thereby assisting the pair of frames to swing and close. In this case, since a force for attracting both frames is applied by inclining the arch using the lifting member, the operation / deformation for swinging and closing the pair of frames is assisted.

  The invention according to claim 6 is the walking aid according to claim 5, wherein the locking member is attached to the end opposite to the side connected to the arch of the lifting member, and the upper ends of the pair of frames. And a locking receiving portion for mounting the locking member attached to the portion, and the pair of frames are swingably closed by placing the locking member on the locking receiving portion. The state is maintained. In this case, since the pair of frames are kept closed by the locking member and the locking receiving portion, when using or storing the walking aid as one cane The form is maintained.

  According to a seventh aspect of the present invention, in the walking aid according to the first aspect, a brake lever is provided at the upper end of the pair of frames, and the brake and the brake lever for braking the wheel supported at the lower end of the frame are provided. A brake operation transmission member for transmitting the operation to the brake, and a frame for supporting the wheel provided with the brake is formed in a cylindrical shape, and the brake operation transmission member is passed through the inside of the cylindrical frame. . In this case, the brake operation transmission member is not exposed and does not appear as an appearance.

  According to an eighth aspect of the present invention, in the walking aid according to the first aspect, a grip is attached to at least one side of the pair of frames. In this case, the grip is provided so that the user can hold it when, for example, hanging a baggage at the time of shopping, carrying the walking aid, or swinging both frames to open or close it. Can be used.

  According to the walking aids of the first and second aspects, since it looks like one as a whole when the pair of frames are closed, the appearance can be made smart and the appearance can be improved. .

  According to the walking assist device of the third aspect, the position of the swing shaft that connects the pair of frames can be moved in the front-rear direction. Even if a finger or the like is pinched between the frames when moving and closing the legs, the rocking shaft moves backward and the frames can be rocked and closed while securing a gap between the frames. Can be improved.

  Further, according to the walking aid of claim 3, there is usually no gap between the frames when the pair of frames are swung and closed, and when a finger or the like is sandwiched between the frames, The gap between the frames when the pair of frames are swung and closed without sacrificing safety can be eliminated without sacrificing safety. Can be achieved.

  According to the walking aid of claim 4, when the pair of frames are swung to be closed, both the frames can be closed in a state in which the respective axial centers coincide with each other without being shaken. Since the other frame can be reliably accommodated in the frame, it is possible to improve the comfort of the leg closing operation of both frames. Further, since the arch serves as a support, the range of the open legs of both frames is limited. Furthermore, deformation due to twisting of both the swinging frames can be prevented, and the strength can be improved.

  According to the walking assist device of the fifth aspect, since the movement / deformation to swing the pair of frames to close them is assisted, it is possible to improve the comfort of closing the legs of both frames. .

  According to the walking aid of the sixth aspect, since the form can be maintained when the walking aid is used or stored as a single walking stick, it is possible to improve safety and comfort. It becomes possible.

  According to the walking assist device of claim 7, since the brake operation transmitting member is accommodated in the frame, the brake cable is caught in, for example, a peripheral object during use and suddenly changes direction. There is no risk of sudden braking or the like, and there is no risk of the brake cable extending, and safety can be improved.

  According to the walking assisting device of claim 8, since the grip that can be gripped when carrying luggage or operating the walking assisting device is provided, the comfort can be improved. Become.

It is a whole disassembled perspective view which shows an example of embodiment of the walking aid of this invention. It is an expansion exploded view of the frame connection structure part of the walking aid of embodiment. It is an expansion longitudinal cross-sectional view of the frame connection structure part of the walking aid of embodiment. It is a whole perspective view which shows the walking aid of embodiment. It is a front view which shows the state which the leg of the walking aid of embodiment opened. It is a side view which shows the state which the leg of the walking aid of embodiment opened. It is a longitudinal cross-sectional view which shows the state cut | disconnected by the II line | wire of FIG. 5 of the state which opened the walking aid of embodiment. It is a side view which shows the state where the leg of the walking aid of embodiment was closed. It is a longitudinal cross-sectional view which shows the state cut | disconnected by the II line | wire of FIG. 5 of the state which closed the walking aid of embodiment. It is a side view which shows the state which the back frame shifted | deviated back when the walking aid of embodiment was closed. It is a longitudinal cross-sectional view which shows the state cut | disconnected by the II line | wire of FIG. 5 of the state which the back frame shifted | deviated backward when the walking aid of embodiment was closed. It is a side view which shows the conventional walking aid. (A) is a figure which shows the state which a pair of flame | frame is open. (B) is a figure showing the state where a pair of frames are closed.

  Hereinafter, the configuration of the present invention will be described in detail based on the form shown in the drawings.

  1 to 11 show an example of an embodiment of the walking aid of the present invention. In the present embodiment, a walking aid 1 having a front frame 2 and a rear frame 3 whose overall structure is shown in FIG. 4 will be described as an example. Here, in this specification, up and down, front and rear, and left and right are defined with reference to the user of the walking aid 1. Specifically, the direction of the arrow 31 shown in FIGS. 4 to 6 is the front, the reverse is the back, the direction of the arrow 32 is up, the direction of the opposite is down, and the arrow 33 perpendicular to the arrows 31 and 32. The direction of is the right and the opposite direction is the left.

  The walking aid 1 of the present embodiment has a front frame 2 and a rear frame 3 whose upper ends are connected so as to be swingable, and a pair of front wheel tires 4a and 4a arranged opposite to the left and right. A front wheel 4 that is supported so as to be axially rotatable, a rear wheel 5 that has a pair of rear tires 5a, 5a that are disposed opposite to each other and are supported at the lower end of the rear frame 3, and that is supported so as to be axially rotatable. The handle 6 is provided at the upper end of the handle 6, the brake lever 7 is mounted below the handle 6, and the arch 8 is mounted between the front frame 2 and the rear frame 3.

  In the present embodiment, the front frame 2 includes a cylindrical portion 2c having a through-hole 2b in the axial direction, and rear side walls 2d and 2d that extend rearward from the left and right sides of the cylindrical portion 2c. The pair of rear side walls 2d and 2d facing each other form a concave portion in the axial direction on the side facing the rear frame 3 of the front frame 2, that is, the rear side.

  The lower end of the through hole 2b of the front frame 2 is configured to slidably hold an axle provided between a pair of front wheel tires 4a, 4a arranged opposite to each other so as to support the front wheel 4 so that the front wheel 4 can be rotated. An axle holder 17 is attached. In the present embodiment, the columnar protrusion protruding from the upper end surface of the axle holder 17 is inserted into the pipe 9 provided in the through-hole 2b, and both are screwed, whereby the axle holder 17 is moved to the front frame 2. Fixed and attached to.

  A brake cable 11 for transmitting a brake operation to the front wheel 4 by connecting with a brake lever 7 attached below the handle 6, that is, as a brake operation transmission member passes through the pipe 9. Yes. The brake lever 7 is attached to the lower side of the front end portion of the grip portion 6a of the handle 6 so as to be swingable with respect to the handle 6 via a swing shaft 7a provided at the front end portion. The brake lever 7 and the brake cable 11 are connected to the handle 6 so that the front end of the brake lever 7 can swing with respect to the handle 6 via the swinging shaft 7a, as in the structure of a normal brake having these. At the same time, the upper end of the brake cable 11 is connected to a position behind the swing shaft 7a of the brake lever 7, and when the brake lever 7 is pulled up by grasping the handle 6 and the brake lever 7, the brake cable 11 is also pulled up. The brake cable 11 of the present embodiment has a cylindrical portion 11a having a left and right through hole at the upper end, and the cylindrical portion 11a is attached to the brake lever 7 so as to be swingable via a pin.

  The rear frame 3 is formed in a cylindrical shape having a through hole 3d in the axial direction. In addition, the rear frame 3 includes a guide 3b of an elongated through hole formed by cutting the front surface of the peripheral wall from the lower end toward the upper side in the axial direction, and a through hole provided above the center position of the rear surface of the peripheral wall. Have.

  A rear wheel holder 5 c for supporting the rear wheel 5 is attached to the lower end portion of the rear frame 3. Then, a pair of rear wheel tires 5a, 5a arranged opposite to the left and right with respect to the rear wheel holder 5c are attached to be rotatable.

  The handle 6 includes a gripping portion 6a, a main shaft 6b formed continuously from the front end of the gripping portion 6a, and a plate-like connecting unit cover portion provided at the lower end of the main shaft 6b and projecting rearward from the main shaft 6b. 6c and a cylindrical insertion portion 6d provided to extend from the lower end surface of the connection unit cover portion 6c in the same direction as the main shaft 6b. In the present embodiment, the grip portion 6a / main shaft 6b and the connecting unit cover portion 6c / insertion portion 6d are configured as separate members.

  Further, the main shaft 6b has an opening at the lower end surface and has a recess in the axial direction into which the pipe 9 is inserted. The insertion portion 6 d is formed as a peripheral wall along the outer peripheral surface of the pipe 9.

  The handle 6 is attached to the upper end of a pipe 9 provided through the through hole 2b of the front frame 2. Specifically, the outer peripheral surface of the pipe 9 and the inner peripheral surface of the through hole 2b of the front frame 2 with the pipe 9 inserted into the through hole 2b of the front frame 2 and the upper end portion protruding from the upper end of the front frame 2 The pipe 9 is inserted into the concave portion of the main shaft 6b while inserting the insertion portion 6d into the gap therebetween. Then, the main shaft 6 b is fixed to the upper end portion of the pipe 9 by screws passing through the peripheral wall of the main shaft 6 b and the peripheral wall of the pipe 9, and the handle 6 is attached to the upper end of the front frame 2.

  The walking aid 1 according to this embodiment includes the wheels 4 and 5 and a pair of frames 2 and 3 that support the wheels 4 and 5 at the lower end and are swingably connected at the upper end. 1 has a sliding rocking shaft 2a for rockably connecting the pair of frames 2 and 3, and the sliding rocking shaft 2a is long in the front-rear direction. The coupling structure is slidably supported by the hole 20a.

  In the present embodiment, a joint member 3 f for connecting the rear frame 3 to the front frame 2 is attached to the upper end portion of the rear frame 3. The joint member 3f includes an insertion portion 3h to be inserted into the through hole 3d of the rear frame 3, and a connecting portion 3i formed in a plate-like shape standing vertically above the insertion portion 3h and having the through hole 3g. Become. The joint member 3f has a screw hole in the insertion portion 3h, and is attached to the rear frame 3 by being screwed in a state where the insertion portion 3h is inserted into the upper end portion of the through hole 3d. Further, the joint member 3f is attached to the rear frame 3 in a state where the plate-like connecting portions 3i are arranged in the front-rear direction (that is, the through hole 3g is in the left-right direction).

  The walking aid 1 of the present embodiment includes a sliding swing shaft 2a and is attached to the upper end of the front frame 2 so that the front frame 2 and the rear frame 3 can swing, in other words, the sliding swing shaft. The frame joint 20 is connected so as to be swingable open and close freely around 2a.

  The frame joint 20 includes a mounting portion 20e inserted between the two rear side walls 2d and 2d of the front frame 2, and a holding portion 20f extending rearward from the upper portion of the mounting portion 20e. The frame joint 20 has a gap 20g provided through the attachment portion 20e and the holding portion 20f in the front-rear direction. Further, the frame joint 20 has a left and right grip shaft through hole 20b at a position near the lower end of the mounting portion 20e, and a left and right fixing screw through hole 20c at a portion protruding from the upper end of the holding portion 20f. .

  A plate-like connecting portion 3i of the joint member 3f of the rear frame 3 is inserted into the gap 20g. The gap 20g holds the connecting portion 3i so as to be slidable from both left and right sides.

  Further, on the left and right side walls forming the gap 20g in the holding portion 20f, swing shaft support slots for supporting both ends of the slide swing shaft 2a disposed in the left-right direction so as to be slidable in the front-rear direction. 20a is formed in the front-rear direction. In the present embodiment, the swing shaft support oblong hole 20a is formed as a recess in the front-rear direction facing the pair of left and right side walls forming the gap 20g of the frame joint 20 from the mounting portion 20e to the holding portion 20f. The In the present embodiment, the swing shaft support long hole 20a is formed as a hole penetrating the left and right side walls forming the gap 20g in the mounting portion 20e.

  In the rear frame 3, the connecting portion 3i of the joint member 3f is inserted into the gap 20g of the frame joint 20, and passes through the through hole 3g provided in the connecting portion 3i. The frame joint 20 is pivotally supported so as to be slidable and slidable via a sliding oscillating shaft 2a supported at both ends thereof.

  In addition, the frame joint 20 is formed in the grip shaft through hole 20b formed in the mounting portion 20e and the rear side walls 2d and 2d while the mounting portion 20e is inserted between both the rear side walls 2d and 2d of the front frame 2. A grip shaft 23a penetrating through the through holes 2e, 2e in the left-right direction is inserted, and the grips 23, 23 are fitted to screw portions formed at both ends of the grip shaft 23a so that the grip shaft 23a is attached to the upper end portion of the front frame 2. It is done.

  Note that the grip 23 is gripped by the user when, for example, hanging a baggage at the time of shopping, carrying the walking aid 1 or swinging the front frame 2 and the rear frame 3 to open or close. Is to do.

  In addition, the handle 6 has a protruding portion in which a through-hole in the left-right direction is formed on the lower surface of a plate-like connecting unit cover portion 6c projecting rearward with respect to the main shaft 6b. The connecting unit cover portion 6c and the frame joint 20 are fixed to each other by a screw 20d that passes through the through hole of the projection and the fixing screw through hole 20c of the frame joint 20.

  The arch 8 is spanned between the front frame 2 and the rear frame 3 and restricts the degree of opening of the frames 2 and 3 together with the stopper block 3a provided near the lower end of the rear frame 3. is there.

  Specifically, the front end portion of the arch 8 is inserted between both the rear side walls 2d and 2d of the front frame 2, and the left and right through holes 8a formed at positions closer to the front end and the rear side walls 2d and 2d. It is pivotally supported with respect to the front frame 2 by bolts 8c and nuts 8d passing through the through holes 2f, 2f in the left-right direction formed at positions near the lower end.

  Further, a joint portion 8b in which a left and right through hole 8e is formed is attached to the rear end portion of the arch 8. The slider shaft 8f is inserted into the through hole 8e of the joint portion 8b, and a pair of left and right guide rollers 8g and 8g are attached to both ends of the slider shaft 8f with the joint portion 8b interposed therebetween.

  The joint portion 8b is inserted into the through hole 3d from the lower end opening of the rear frame 3 with the slider shaft 8f and the pair of guide rollers 8g and 8g attached. At this time, a portion of the joint portion 8b in front of the through hole 8e into which the slider shaft 8f is inserted passes through the guide 3b. Thus, the rear end portion of the arch 8 is connected to the rear frame 3 so as to be slidable and swingable.

  In addition, after the joint portion 8b is inserted into the through hole 3d, a columnar stopper block 3a formed in a cross-sectional shape perpendicular to the axial shape of the through-hole 3d extends from the lower end opening of the rear frame 3 to the through-hole 3d. Inserted. The stopper block 3a is fixed at a position near the lower end of the rear frame 3 by a bolt 3c that passes through the stopper block 3a and the rear peripheral wall of the rear frame 3 and fits into the rear wheel holder 5c.

  The joint 8b of the arch 8 abuts on the upper end surface of the stopper block 3a, so that the degree of opening of the front frame 2 and the rear frame 3 is fixed. When the front frame 2 and the rear frame 3 swing and close, the joint portion 8b penetrating the guide 3b by the action of the slider shaft 8f and the pair of guide rollers 8g, 8g is formed in the through hole of the rear frame 3. It slides in 3d and moves upward.

  Further, the walking aid 1 of the present embodiment swings the front frame 2 and the rear frame 3 by lifting the joint portion 8b of the arch 8 and moving it upward in the through hole 3d of the rear frame 3. In order to assist and make it easy to close the leg, a ball 21 and a wire 22 are provided.

  Specifically, the lower end portion of the wire 22 as a lifting member is connected to the through hole 8h formed in the joint portion 8b of the arch 8, the intermediate portion is disposed in the through hole 3d of the rear frame 3, and the upper end portion is From the through-hole on the rear surface of the peripheral wall of the rear frame 3, it goes out of the rear frame 3 and is tied to the ball 21.

  With this configuration, when the ball 21 is lifted, the joint portion 8b of the arch 8 is lifted via the wire 22 as a lifting member, and the inclination of the arch 8 is centered on the connection point between the front end portion of the arch 8 and the front frame 2. The joint 8b at the rear end of the arch 8 is pulled toward the front frame 2 and the rear frame 3 is pulled toward the front frame 2. That is, lifting the ball 21 can assist the swing of the front frame 2 and the rear frame 3 to close the legs.

  At this time, in the present embodiment, the front portion of the rear frame 3 enters and is accommodated in a recess in the axial direction formed by both rear side walls 2d and 2d of the front frame 2, and the front wheel tires 4a and 4a facing left and right are opposed to each other. Between the front tires 5a and 5a. At this time, the direction of the axial center of the rear frame 3 is not shifted by the action of the arch 8, that is, the axial center of the front frame 2 and the axial center of the rear frame 3 are attracted in a state in which the directions match. The rear frame 3 surely enters the recess in the axial direction of the front frame 2.

  Thereby, the walking aid 1 of the present embodiment becomes thinner as a whole when both the frames 2 and 3 are closed. In addition, since there is no gap between the frames 2 and 3, it looks as a whole and looks good. Even when both the frames 2 and 3 are closed, the walking aid 1 is self-supporting.

  In order to maintain the state where the ball 21 is lifted and the state where the front frame 2 and the rear frame 3 are closed, the ball 21 functions as a locking member and connects the handle 6 to the front frame 2. A ball receiving hook 15 serving as a latch receiving portion is attached to the upper surface of the connecting unit cover portion 6c provided to protrude rearward from the portion.

  The ball receiving hook 15 serving as a locking receiving portion has a concave portion that matches the shape of the outer peripheral surface of the ball 21 formed on the upper surface and a notch formed on the rear side. Then, the ball 21 as a locking member is placed in the recess while the wire 22 is passed through the notch. At this time, as the front frame 2 and the rear frame 3 try to open the legs, the joint portion 8b of the arch 8 tries to move downward in the through hole 3d of the rear frame 3, so that the wire 22 has a downward tension. Thus, the ball 21 is subjected to a force that is pressed against the concave portion of the ball receiving hook 15, so that the state where the ball 21 is placed on the ball receiving hook 15 is maintained and both the frames 2 and 3 are closed. Maintained.

  According to the walking aid of the present invention having the above-described configuration, in the normal case, when the front frame 2 and the rear frame 3 are swung to close the legs, a force for pulling both the frames 2 and 3 is applied. Therefore, both the frames 2 and 3 are closed while the sliding rocking shaft 2a is pressed against the front end of the rocking shaft support slot 20a (FIGS. 8 and 9).

  On the other hand, when a finger of a hand is caught between the frames 2 and 3 when both the frames 2 and 3 are swung and closed, the sliding rocking shaft 2a is moved to the rocking shaft support slot 20a. The rear frame 3 keeps swinging with respect to the front frame 2 while moving to a position near the rear end to secure a gap between the two frames 2 and 3, and the two frames 2 and 3 keep a gap between them. Then close the legs (Figs. 10 and 11).

  Therefore, according to the walking aid of the present invention having the above configuration, the position of the swing shaft 2a that couples the pair of frames 2 and 3 can be moved in the front-rear direction. Even if a finger or the like is pinched between the two frames 2 and 3 when the swinging shaft 2a is swung and closed, the swinging shaft 2a moves rearward to leave a gap between the two frames 2 and 3. The frames can be closed while being generated, and safety can be improved.

  Further, according to the walking aid of the present invention having the above-described configuration, it is possible to eliminate a gap between the frames when the pair of frames are swung and closed without impairing safety. The appearance can be improved along with the sex.

  In addition, although the above-mentioned form is an example of the suitable form of this invention, it is not limited to this, In the range which does not deviate from the summary of this invention, various deformation | transformation implementation is possible. For example, in the present embodiment, the shaft for connecting the rear frame 3 to the front frame 2 is configured to be slidable in the front-rear direction. You may comprise so that the axis | shaft which connects 2 may be slidable in the front-back direction.

  Further, in the present embodiment, the walking aid provided with a pair of front and rear wheels arranged in two front and rear positions has been described as an example. The present invention may be applied to a walking aid provided.

  Moreover, in this embodiment, in order to comprise the frame connection structure which concerns on the walking aid of this invention, it is made to provide the frame joint 20 separate from the front frame 2, However, For connecting a pair of frame The shape of the separate parts is not limited to the frame joint 20 of the present embodiment, and it is not an essential requirement of the present invention to use separate parts from the pair of frames.

  That is, when using a component separate from the pair of frames, a swing shaft corresponding to the slide swing shaft 2a of the present embodiment and a long hole that supports the swing shaft so as to be slidable in the front-rear direction. As long as it has at least, any shape may be used.

  In addition, a gap corresponding to the gap 20g in this embodiment and a swinging shaft support slot are directly formed in either one of the pair of frames 2 and 3 without using a separate component from the pair of frames. Alternatively, a gap corresponding to the gap 20g and a sliding rocking shaft may be provided on one of them, and a rocking shaft support slot may be directly formed on the other.

  In the present embodiment, the inclination of the arch 8 is increased by lifting the ball 21 so that the rear frame 3 is drawn toward the front frame 2. However, the ball 21 and the wire 22 are essential components of the present invention. Instead, a configuration without these may be employed.

DESCRIPTION OF SYMBOLS 1 Walking aid 2 Front frame 2a Sliding rocking shaft 3 Rear frame 4 Front wheel 5 Rear wheel 20 Frame joint 20a Swing shaft support slot

Claims (8)

  A walking aid having a wheel and a pair of frames that support the wheel at the lower end and are swingably connected at the upper end, and an axial recess is formed on the side of one frame facing the other frame When the pair of frames swings and closes, at least a part of the other frame enters and is accommodated in the recess.   The pair of frames includes a front frame and a rear frame, the recess is formed on the rear side of the front frame, and at least a part of the rear frame is accommodated in the recess of the front frame. The walking aid according to claim 1.   2. The walking assisting device according to claim 1, further comprising a sliding rocking shaft for slidably connecting the pair of frames, and the sliding rocking shaft is slidably supported by a long hole in the front-rear direction. Ingredients.   An arch is mounted between the pair of frames so as to guide the axial direction of each frame so as not to shake when the pair of frames swings and closes. The walking aid according to claim 1.   Mounted between the pair of frames so that both ends are swingable with respect to each of the pair of frames and at least one end is slidable with respect to one of the pair of frames. The slidable end is connected to a lifting member, and the slidable end is lifted via the lifting member so that the arch is inclined with respect to the pair of frames. 2. The walking aid according to claim 1, wherein the pair of frames are oscillated and closed so as to be increased by increasing the angle.   A locking member attached to the end of the lifting member opposite to the side connected to the arch, and a locking for placing the locking member attached to the upper ends of the pair of frames 6. The apparatus according to claim 5, further comprising a receiving portion, wherein the pair of frames are swung and closed by placing the locking member on the locking receiving portion. The walking aid described.   A brake lever is provided at an upper end of the pair of frames, and a brake for braking a wheel supported by the lower end of the frame, and a brake operation transmission member for transmitting an operation of the brake lever to the brake 2. The walking aid according to claim 1, wherein the frame that supports the wheel including the brake is formed in a cylindrical shape, and the brake operation transmitting member is passed through the cylindrical frame.   The walking aid according to claim 1, wherein a grip is attached to at least one side of the pair of frames.

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