JPH0535692Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention consists of a pair of supports that are erected on the upper end of the cane main body via attachment means, and that are converted into seats when expanded to the supports. The present invention relates to a cane that can be used as a seat and has two handle members that are pivotally connected to each other so that they can be rotated to open and close around a horizontal axis.

[Conventional technology]

Various structures have been proposed for the above-mentioned cane that can be used as a seat, that is, cane that can also be used as a one-legged chair.

[The problem that the idea attempts to solve]

Generally, this type of stick can be used as a stick by locking a pair of handle members in a closed position, that is, a rotation angle position that is approximately parallel to the axis of the stick body, and also in an open position, that is, The cane can be used as a chair by locking it in a rotating position that is approximately perpendicular to the axis of the cane body, but in the case of conventionally known ones,
Generally, as a mechanism for locking the handle member in both open and closed positions, a link mechanism, a cam mechanism, a screw mechanism, etc. are used separately from the support body that supports the handle member so that it can be rotated to open and close. Because it is connected to the stick body, the overall weight is heavy and the structure is complicated.
Carrying, folding, and unfolding operations were troublesome. In addition, some sticks of this type that do not have the above-mentioned mechanism are known, but in the case of this type of sticks, the material, shape, structure, assembly method, etc. of the constituent members, especially the handle member, are sufficient. Due to the lack of proper consideration, it is not durable or has safety issues when used as a chair,
Normally, when an adult weighing 50 kg or more sits on the seat, the load applied to the handle member, which converts into a seat, is quite large, and this load can cause damage to the handle member and result in injury. A problem arose. Another problem was that it was difficult to use when used as a stick.

The present invention was made in view of the above-mentioned problems, and it is an object of the present invention to provide a cane that can be used as a seat, has an extremely simple structure, is extremely easy to carry and open/close, and is highly durable and safe. is its main purpose.

[Means to solve the problem]

In order to achieve the above object, the cane that can be used as a seat according to the present invention has a support body erected at the upper end of the cane main body via attachment means, and a pair of handles that are converted into a seat part when expanded to the support body. This cane can also be used as a seat, in which the members are pivotally connected to each other so that they can be rotated to open and close around a horizontal axis, and the structure described in the characteristic feature of claim 1 of the registered utility model is adopted.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the drawings, reference numeral 1 denotes a cane body. This cane body 1 is made of a tapered tube made of a high-strength light alloy such as an aluminum alloy, and the upper end thereof has a block-like shape that rises vertically upward. A support body 2 is fixedly attached to the support body 2 via a cap body 3 as an attachment means formed integrally with the support body 2. The support body 2 and the cap body 3 are also made of the same light alloy as the stick body 1.

As can be clearly seen from FIGS. 2, 5, and 10, the support body 2 has a substantially semicircular or semielliptical side surface, and as can be clearly seen from FIGS. 6 and 11. , the peripheral surface is formed into a convex spherical surface 2A. A pair of handle members 4, 4 are pivotally attached to the support body 2 formed in such a shape via parallel pivot shafts 5, 5 so as to be rotatably opened and closed around a horizontal axis, respectively, in a manner as described later. has been done.

Each handle member 4 includes an annular frame 4A having a substantially linear grip portion 4A″ and a grip portion 4A″.
It consists of two protrusions 4B, 4B protruding outward from the base 4A' of the annular frame 4A opposite to the annular frame 4A, and the annular frame 4A and the protrusion 4B are The grip part 4A' is formed solidly and integrally from a strong and light alloy, and the wall thickness of the base part 4A' is made relatively large, while the wall thickness of the grip part 4A'' is made smaller than the wall thickness of the base part 4A'. (See Figures 1-5 and 7-80). The annular frame 4 between the protrusions 4B, 4B
The above-mentioned support 2 is attached to the outer peripheral part of the base 4A' of A.
A concave spherical surface 4C that substantially matches the cross-sectional shape and dimensions of the convex spherical surface 2A is formed in a direction perpendicular to the plane of the annular frame 4A.

Projections 4B, 4 as attachment parts of the handle member
The inner surfaces of B extend parallel to each other, and the distance therebetween is slightly larger than the width between both side surfaces of the support 2, and the handle members 4, 4 are pivotally connected to the support 2 through the recess of the former. The projection 4 is made such that the spherical surfaces 4C, 4C face the latter convex spherical surface 2A.
B, 4B are respectively displayed on the support body 2, and the support body 2
A pair of parallel shaft holes 2B, 2 passing through the
B and the shaft holes 4D, 4D provided in the protrusions 4B, 4B of each handle member 4, 4, respectively, are aligned, and the pivots 5, 5 are inserted into these shaft holes, respectively. The mounting position is such that the side surface of the support body 2 is approximately semicircular, the peripheral surface thereof is formed into a convex spherical surface 2A, and each of the handle members 4, 4 is provided with the above-mentioned concave spherical surfaces 4C, 4C. In relation to the formation, the concave spherical surface 4
C, 4C and said convex spherical surface 2A are determined such that they can engage each other at predetermined portions to lock each handle member 4, 4 in said angular position.

In the illustrated example, when each handle member 4, 4 is in the closed position, the concave spherical surfaces 4C, 4C are located at their inner end regions (hereinafter referred to as 1 engagement surface) 4C', 4C' are in surface contact with the surface portions (hereinafter referred to as first contact surfaces) 2A', 2A' near the center of the convex spherical surface 2A of the support body 4 to form an engagement abutment. Also, when each handle member 4, 4 is in the open position, the concave spherical surfaces 4C, 4C are in contact with their outer end regions (hereinafter referred to as second engagement surfaces), as can be clearly seen in FIGS. 10-11. )4C″,4
At C'', a surface portion (hereinafter referred to as the second contact surface) 2A'' near the lower end of the convex spherical surface 2A of the support body 2,
2A'' and are brought into surface contact and engaging abutment.

As can be clearly seen from FIGS. 5, 10, and 11, the pivots 5, 5 have grooves 5', 5' formed over their entire length, and are made of an elastic tube. It is a tubular shaft that always expands elastically in the radial direction. Therefore, axis 5,
5 elastically engages with the enlarged circumferential surfaces of the shaft holes 2B, 2B of the support body 2 and the shaft holes 4D, 4D of the protrusions 4B, 4B of the handle members 4, 4, so that the handle can be tightened by the elastic engagement. Free rotation of the members 4, 4 is prevented, and even when the handle members 4, 4 are at an intermediate rotation angle position between the closed position and the open position, they are prevented from swinging unnecessarily due to their own weight. There is.

In the figure, reference numeral 6 denotes a piercing part with a circular cross section and a tapered shape, which is fixed to the lower end of the stick main body 1 via a light metal tubular fitting 7. , an oval flange portion 8 is integrally formed with both. This flange part 8
When using a stick as a chair,
This is to prevent the stabbing part 6 from sinking deeply into the ground when the stabbing part 6 is stuck into the ground.As can be clearly seen from FIGS. 7 to 9, the handle Since the members 4, 4 are attached so as to be located at right angles to the opening/closing rotation direction, when the cane is used as a chair by diagonally sticking its piercing portion 6 into the ground, the flange portion 8 Since the long axis side of the cane contacts the ground, the footing becomes stable, and when the cane is carried or used as a cane with its handle members 4, 4 set in the closed position, the flange portion 8 so that both sides do not get in the way.

FIG. 12 shows a removable cap body 9 as a shock absorber made of rubber, soft synthetic resin, etc., which is used by being fitted into the piercing part 6, and is used when the cane is used on a paved road. When used as a vehicle, by fitting it in, the metal piercing portion 6 can absorb the shock caused by a collision with a hard paved road surface.

Since it seems that there is no need for a particularly detailed explanation of how to use the cane having the structure described above as a cane or as a chair, here we will explain the locking aspect of the handle members 4, 4, which is unique to the present invention. Just do it.

As mentioned above, when the handle members 4, 4 are in the closed position, their concave spherical surfaces 4C, 4C are in contact with the convex spherical surfaces 2A of the support 4 at their first engagement surfaces 4C', 4C'. 1 engages and abuts contact surfaces 2A', 2A',
Inward rotation of the handle members 4, 4 is prevented so that the handle members are locked in the upright position as shown in FIGS. 1 and 2, allowing use of the cane as such.

Next, when the handle members 4, 4 are rotated about 90 degrees outward from the above-mentioned closed position, that is, in directions opposite to each other, the concave spherical surfaces 4C, 4C are turned into the second engaging surfaces 4C''. , 4C'', the convex spherical surface 2A' of the support body 2 comes into engagement contact with the second contact surfaces 2A'', 2A'', respectively, and prevents further rotational displacement of the handle members 4, 4. , the handle member is locked in the fully extended state in the open position as shown in FIGS. 7, 8 and 10, and is converted into a seat of a chair, so that the cane can be used as a seat. becomes possible. In this case, the engagement contact between the second engagement surfaces 4C'', 4C'' and the second abutment surfaces 2A'', 2A'' is spherical contact or curved surface contact, so the contact is stronger than in the case of point contact etc. The area is increased, and therefore, the handle members 4, 4, which are expanded and converted into the seat of the chair, can be stably and firmly held by the support body 2.

[Effect of idea]

The present invention has a very simple structure, is very easy to carry and can be opened and closed, and has the following effects.

Each handle member is comprised of an annular frame having a generally linear grip portion and a bifurcated protrusion protruding outward from a base of the annular frame opposite to the grip portion; and the protrusion are formed tightly and integrally from a high-strength light alloy such as an aluminum alloy, and the wall thickness of the base portion is made relatively large, while the wall thickness of the grip portion is smaller than the wall thickness of the base portion. By adopting a smoothed structure, the durability and load-bearing capacity of the handle member are significantly improved compared to conventional ones, which not only improves safety when used as a chair, but also improves safety when used as a walking stick. Because the grip part is easy to grasp,
Easy to use as a stick. The side surface of the support body is formed into a substantially semicircular shape, and the circumferential surface thereof is formed into a convex spherical surface, while the cross-sectional shape of the convex spherical surface of the support body is formed on the outer peripheral portion of the annular frame base between the protrusions. and a concave spherical surface substantially matching the dimensions of the annular frame, and the concave spherical surface is formed in a direction perpendicular to the plane of the annular frame, and the concave spherical surface The bifurcated protrusions of each of the handle members are mounted on the support body and are pivotally connected by a pivot so that the handle members can be locked in the respective positions by making surface contact with each other at predetermined portions. This allows the handle member to be stably and firmly locked in the closed position and the open position.

In addition, each handle member is pivotally connected to the support by a radially elastic tubular shaft formed with a groove over its entire length.
Even when it is at an intermediate rotation angle position between the closed position and the open position, free rotation is prevented and it will not swing unnecessarily due to its own weight.

Also, the flange part is formed in an oval shape,
In addition, since the long axis of the cane is positioned perpendicular to the opening/closing rotation direction of the handle member, when the cane is used as a chair by sticking its piercing part into the ground diagonally, the flange part Since the long axis side of the cane touches the ground, not only is the footing stabilized, but when the cane is used as a cane with its handle member set in the closed position, there is a gap between both sides of the flange. The width of the ellipse is determined by the short axis of the ellipse, and is shorter than that of a circular object whose diameter is the long axis. The parts do not get in the way when you use it, and even if you bring it into a crowded means of transportation such as a train, it will not cause a nuisance to others. Furthermore, forming the flange portion in an oval shape can save material and is economical compared to forming the flange portion in a circular shape.

[Brief explanation of the drawing]

The drawings show a cane that can be used as a seat as an embodiment of the present invention, in which FIG. 1 is a front view showing the handle member locked in the closed position, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a plan view of FIG. 1, FIG. 4 is a bottom view of FIG. 1, FIG. 5 is an enlarged side view of the main part of FIG. The figure is a right side view of FIG. 5, and FIG. 7 is a front view showing a state in which the handle member is locked in the open position.
8 is a side view of FIG. 7, FIG. 9 is a plan view of FIG. 7, FIG. 10 is an enlarged front view of the main part of FIG. The figure is a sectional view taken along the line A-A' in FIG. 10, and FIG. 12 is a side view of a removable cap body that is used by being fitted into the piercing portion. In the drawings, 1 is the stick body, 2 is the support body, 2A is the convex spherical surface, 2B is the shaft hole, 4 is the handle member, 4A is the annular frame, 4A' is the base of the annular frame, and 4A'' is the grip part. , 4B is the protrusion of the annular frame body,
4C is a concave spherical surface, 4D is a shaft hole, 5 is a tubular pivot,
5' is a groove, 8 is a flange, and 9 is a cap body.

Claims (1)

[Claims for Utility Model Registration] (1) A support is provided upright at the upper end of the cane main body via an attachment means, and a pair of handle members, which are converted into seats when expanded, are attached to the support with horizontal shafts, respectively. In a cane that can be used as a seat and which is pivotally attached to the periphery so that it can be rotated to open and close, the support body is formed into a substantially semicircular side surface, and its peripheral surface is formed into a convex spherical surface, and each handle member is formed into a substantially linear shape. The annular frame has a grip portion, and a bifurcated protrusion protrudes outward from the base of the annular frame opposite to the grip portion, and the annular frame and the protrusion are made of aluminum alloy. The grip part is formed solidly and integrally from a high-strength light alloy such as, and the thickness of the base part is relatively large, while the thickness of the grip part is made smaller than the thickness of the base part; forming a concave spherical surface substantially matching the cross-sectional shape and dimensions of the convex spherical surface of the support in a direction perpendicular to the plane of the annular frame on the outer peripheral portion of the annular frame base between the protrusions; Only when each handle member is rotated to the closed position and the open position, respectively, the concave spherical surface and the convex spherical surface come into surface contact with each other at a predetermined portion to engage each handle member in the respective position. the bifurcated protrusion of each handle member is mounted on the support body and is pivotally connected by a pivot, the pivot forming a split groove along its entire length, acting in a radial direction; The shaft is a tubular shaft with elasticity, and the tubular metal fitting is integrally formed with the tapered piercing part and the oval flange part, and the long axis of the oval flange part is in the opening/closing direction of the handle member. A cane that can be used as a seat and is characterized by being fixed to the lower end of the cane body so as to be positioned at right angles to the cane. (2) The cane that can be used as a seat according to claim 1, wherein the cane main body, support body, and tubular metal fittings are each made of the same light alloy as the handle member. (3) Claim 1 for registration of a utility model, which is characterized in that it is equipped as an accessory with a removable cap body as a shock absorber made of rubber, soft synthetic resin, etc., which is used by fitting into the punctured part. A walking stick that can be used as a seat as described in Section 1 or Section 2.