JPH0731504A - Cane for the blind - Google Patents

Abstract

PURPOSE:To provide a cane for a blind person whose part to be fitted to its tip portion can be changed freely and used according to the situation or the like of a road surface. CONSTITUTION:A cane 1 for a blind person is constituted by fitting attachably/ detachably a ferrule 3 or a roller component portion to the tip portion of a cane main body 2. At the time of traveling on a comparatively flat paved road or the like, if a blind person cane 1 fitted with a roller component portion at its tip is used, the roller of the roller component rolls on the road surface, so without being obstructed with the recess and projection or the like of the road surface, a blind person can travel safely without tripping as he grasps the situation of the road surface by the sense of touch obtained through the roller. Also, for example, at the time of traveling on a snowy road or the like, by replacing the tip component with a ferrule 3 using this blind person cane 1, the blind person can travel safely as he grasps the situation of the snow by means of the ferrule 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blind cane in which parts attached to the tip of the cane body can be replaced as needed.

[0002]

2. Description of the Related Art A conventional blind cane is fixed at its tip with a component called reinforced stone, which is made of a reinforced plastic or the like. You can walk while grasping the condition of the road surface.

[0003]

However, when walking with a conventional blind cane, a pedestrian stumbles when the stone bumps get caught in the unevenness of the road surface or the like, and in the worst case, the person falls. There is a risk of

On the other hand, when walking on a snowy road,
The pebbles are very useful and are unlikely to cause pedestrian falls.

The present invention has been made in view of the above circumstances, and its object is to provide a safe cane for the blind, in which parts attached to the tip can be arbitrarily replaced and used according to road conditions. To provide.

[0006]

In order to achieve the above object, the present invention is characterized in that a cane for the blind is constructed by detachably attaching a stone stake or a roller part to the tip of the cane body.

[0007]

According to the present invention, for example, when walking on a relatively flat paved road or the like, if a cane for the blind with a roller part attached to the tip is used, the roller of the roller part rolls on the road surface. The roller does not get stuck on the unevenness of the road surface and the blind person can walk safely without tripping while grasping the condition of the road surface by the feel obtained through the roller.

Further, for example, when walking on a snowy road or the like, if a cane for blind persons whose tip parts are replaced with stone steps is used, the blind person can walk safely while grasping the snow condition at the stone steps. it can.

As described above, the cane for blind persons according to the present invention can be used by attaching a stone stake or a roller component to the tip of the cane according to the situation of the road surface. Can walk safely.

[0010]

An embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a front view of a blind man's cane according to the present invention, FIG. 2 is a sectional view of the blind man's cane, and FIG. 3 is a partially broken explanatory view showing the folded condition of the blind man's cane. 4 is a front view of the tip of a blind cane with roller parts attached, and FIG. 5 is an exploded perspective view of the roller parts.

The cane 1 for blind persons shown in FIGS. 1 to 3 comprises a plurality of (4 in the illustrated example) aluminum pipe pieces 21,
A butt 3 made of, for example, a reinforced plastic is detachably attached to the tip of the main body 2 which is joined and integrated by fitting 22, 23, and 24.

By the way, a taper portion 21a is formed at the upper end of the pipe piece 21 so as to reduce its diameter upward, and the screw member 4 is provided at the lower end straight portion of the pipe piece 21.
Is fitted, and the butt 3 is screwed to the screw portion 4a formed at the lower end of the screw member 4. The screw member 4 is prevented from rotating by a screw 27 that is screwed to the side of the pipe piece 21.

Further, taper portions 22a and 23a are formed at the upper end portions of the pipe pieces 22 and 23, respectively, the diameters of which are reduced upward, and the lower end portions of the pipe pieces 22 and 23 are respectively formed. Tapered portions 22b, 2 that expand in diameter downward
3b and a straight large-diameter portion 22c, which is continuous therebelow,
23c are formed respectively.

The pipe piece 24 is a portion constituting a handle, and an upper end portion 24a thereof is bent and formed in a semicircular shape, and a lower end portion thereof has a tapered portion 24b and a large diameter portion 2 similar to the above.
4c is formed.

Thus, the upper end portion of the pipe piece 21 is inserted into the lower end portion of the pipe piece 22, and the upper end taper portion 21 thereof is provided.
a is taper fitted to the lower end taper portion 22b of the pipe piece 22, and the outer peripheral straight portion is the large diameter portion 22 of the pipe piece 22.
By fitting in c, both pipe pieces 21 and 22 are joined and integrated.

Similarly, the pipe pieces 22 and 23, the pipe piece 2
3 and 24 are also joined and integrated by fitting, and FIGS.
Although one continuous cane body 2 is constructed as shown in
In the fitting portions of the pipe pieces 21, 22, 23, 24, the straight large diameter portions 22c, 23c, 24c formed at the lower ends of the pipe pieces 22, 23, 24 and the pipe piece 2 are formed.
Since the parallel fitting portions that fit in parallel with the outer peripheral straight portions of 1, 22, 23 are formed, each pipe piece 21, 22,
The cane body 2 is formed by integrally joining 23 and 24 more firmly.
Its strength and rigidity are enhanced to prevent flexural deformation.

By the way, as shown in FIG. 2, the clasp 5 fitted in the opening end of the pipe piece 24 in the cane body 2.
A rubber cord 6 is stretched between the screw member 4 and the screw member 4, and the pipe pieces 21, 22, 23, and 24 are connected to each other by a rubber cord 6 that is inserted thereinto without being separated from each other.

Thus, the blind cane 1 according to the present embodiment can be folded and made compact as shown in FIG. 3 when not in use, which is convenient for storage or carrying. That is, the pipe pieces 21, 22, 23, 2 forming the cane body 2
4 is pulled in the axial direction to remove these fittings, and each of them is folded as shown in FIG. 3, and these pipe pieces 21, 22, 23, 24 are connected to each other by the rubber cord 6 as described above. Therefore, they are folded in a state in which they are connected to each other without being separated.

In use, the pipe pieces 21, 22, 23, and 24 folded as shown in FIG. 3 are linearly extended, and they are fitted and joined together as described above. 1 and the single cane 1 for the blind shown in FIG. 2 is assembled and used.

By the way, the cane 1 for the blind according to the present embodiment is
Remove the stud 3 attached to the tip of the main body 2,
Instead of this, the roller component 7 shown in FIG. 4 can be attached. The butt 3 can be easily removed from the screw member 4 by rotating the butt 3.

Details of the structure of the roller component 7 will be described with reference to FIGS. 4 and 5.

As shown in the figure, the roller component 7 is constructed by rotatably attaching rollers 9 to the left and right of a gate-shaped support frame 8 obtained by bending a light metal plate or the like and having an opening at the bottom.

The mounting structure of each roller 9 is shown in FIG.

That is, a bulging portion (dough) 10 protruding outward is formed at the lower portion of the side wall 8a of the supporting frame 8, and a screw hole 11 is formed in the bulging portion 10. There is.

Thus, the washers 1 are provided on both sides of the roller 9.
2 and 13 are applied, the bolt 15 is passed from the outside (right side in FIG. 5) into the circular hole 14 formed through the center of the roller 9, and then the bolt 15 is formed on the support frame 8. Screw hole 1
Insert it into 1 by screwing. Then, the support frame 8 for the bolt 15
The roller 9 is rotatably supported by the support frame 8 when the nut 17 is tightened by inserting the washer 16 into the portion protruding inward. Although FIG. 5 shows only the assembling structure of one roller 9, the assembling structure of the other roller 9 is also the same, and therefore its explanation is omitted. Further, in this embodiment, since the bolt 15 is screwed into the screw hole 11 of the support frame 8, the touch of the roller 9 supported by the bolt 15 is suppressed.

On the other hand, a bulging portion (dough) 18 protruding downward is formed in a central portion of the upper wall 8b of the support frame 8, and a circular hole 19 is formed in the bulging portion 18. Has been done.

In order to attach the roller component 7 to the tip portion of the cane body 2, the screw member 4 on the frame body 2 side is passed through the circular hole 19 formed in the support frame 8, and the screw member 4 is attached.
The wing nut 26 may be tightened by inserting the washer 25 into the screw portion 4a.

In the above, when a blind person walks on a relatively flat paved road, for example, as shown in FIG. 4, by using the blind cane 1 having the roller part 7 attached to the tip of the main body 2, Since the roller 9 of the roller part 7 rolls on the road surface, the roller 9 does not get stuck on the unevenness of the road surface, etc., and the blind person does not trip over while grasping the condition of the road surface by the feel obtained through the roller 9. You can walk safely.

At this time, since the roller component 7 is provided with two rollers 9 on the left and right, the groundability and stability of the posture of the roller component 7 are kept high, and the cane 1 for the blind is handled. Sex and safety are enhanced.

On the other hand, when a blind person walks on a snowy road or the like, if the blind cane 1 in which the tip part is replaced with the stone foot 3 is used, the blind person can see the snow condition with the stone foot 3 as in the conventional case. You can walk safely while grasping.

As described above, the blind cane 1 according to the present invention can be used by attaching the pebbles 3 or the roller parts 7 to the tip of the main body 2 according to the road surface condition and the like. , Blinds can walk safely in any situation.

In the above embodiment, an example in which the butt 3 or the roller part 7 is removably attached to the tip of the folding cane main body 2 is described. However, the butt 3 or the roller part 7 is a single piece. Of course, it can also be attached to the tip of a straight type cane body (not shown).

[0034]

As is apparent from the above description, according to the present invention, since the stone cane or the roller component is detachably attached to the tip of the cane body to construct the cane for the blind, the stone cane and the roller component can be attached to the road surface. It can be arbitrarily replaced and used according to the situation, etc., and the effect that the blind person can walk safely can be obtained.

[Brief description of drawings]

FIG. 1 is a front view of a blind cane according to the present invention having a tip of a stud attached thereto.

FIG. 2 is a cross-sectional view of a blind cane according to the present invention having a tip of a stone attached thereto.

FIG. 3 is a partially broken explanatory view showing a folded state of a blind cane according to the present invention having a tip of a stone attached thereto.

FIG. 4 is a front view of the tip portion of the blind cane according to the present invention having a roller component attached to the tip.

FIG. 5 is an exploded perspective view of a roller component.

[Explanation of symbols]

 1 Cane for the Blind 2 Cane body 3 Stone butt 7 Roller parts 8 Support frame 9 Rollers 21-24 Pipe piece

Claims (3)

[Claims] 1. A cane for the blind, characterized in that a cane or roller part is detachably attached to the tip of the cane body. 2. The cane for a blind person according to claim 1, wherein the roller component is configured by rotatably attaching rollers to the left and right of a support frame. 3. The cane main body is configured to be foldable by fitting a plurality of pipe pieces, and a taper fitting portion and a parallel fitting portion are formed in the fitting portion of each pipe piece. The cane for the blind according to claim 1 or 2.