JP4845288B2 - Support arm operating device for prevention of cane fall - Google Patents

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to an operating device for a support arm for preventing cane falling.
[0002]
[Prior art]
In general, a cane has a grip handle provided at the upper end of the cane body, and assists walking by holding the grip handle and grounding the lower end of the cane body. Many canes have been put to practical use as daily necessities essential to daily life for people who are unable to walk.
[0003]
Apart from special wands, such as wands that support users who are difficult to walk by standing upright with a multipoint grounding specification, normally used single point grounding wands can be used for errands and work that the user has a little If you want to make your hands free, lean against the body surface, or lean against a nearby wall, it will become unstable due to slight movement of the body and how it will be placed, and will fall down on the floor In many cases, the user is bothered not only by himself but also by the surroundings.
Therefore, when the cane is leaned against the body or a nearby wall when the cane is not in use, the cane will not fall over and stabilize. Preventive equipment is in use.
However, due to its structure, for example, when deploying or lowering a tension bar member or the like, there is a drawback that one or both bars must be handled each time, and functional instability is likely to occur. .
[0004]
[Problems to be solved by the invention]
The problem to be solved is that, for example, in the structure of the fall prevention device provided by a tension bar member or the like, the left and right support arms that are used for preventing the cane from falling without losing the sense of use as a cane, There is no simple and simple operation device that can be stored with one touch.
[0005]
[Means for Solving the Problems]
The present invention attaches to the attachment part attached to the cane body by attaching left and right support arms, each of which is formed of a friction material effective in preventing the tipping, to be pivotable to each other with the attachment part as a base point, To make it effective in support, make sure that the left and right support arm tips are open at an angle that can prevent the cane from tipping horizontally at a position substantially perpendicular to the mounting part, and when it closes, In the left and right support arms for preventing falls, the angle between the left and right support arms is set along the cane body,
Inserting the cane body under the mounting part and moving up and down manually, allowing the left and right support arms to perform a predetermined operation via a rod that freely connects between the left and right support arms An activation part is provided. At this time, in order to set a predetermined rotation for the left and right support arms, a stop plate for determining an upper limit position when the starting portion is raised and a stop portion for determining a lower limit position when the activation portion is lowered are fixed to the cane body.
In addition, in order to maintain the respective stop positions in the operation of the starting part and to form a slight resistance and moderation feeling during operation through the upper and lower ends of the stop part, The most important feature is that a plate spring provided with projections of a predetermined length is attached to the starting part.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The purpose of making the operation to allow simultaneous deployment or simultaneous storage of the left and right support arms for preventing the cane to fall down simple and simple with a one-touch sense, and to make the sense of use of the cane uncomfortable during normal use of the cane It was realized.
[0007]
【Example】
1-4 is explanatory drawing in one Example of this invention operating device, Comprising: FIG. 5 is the same perspective view which shows the support state of a cane. Further, 1 is a cane body, 2 is a grip handle, and 10 is a standing position.
Embodiments will be described in detail below with reference to the drawings.
[0008]
The mounting portion 3 is inserted in the cane body 1 with a rigid elastic material having a ring shape having a slight width dimension, and the left and right support arms 4 are erected in a substantially perpendicular direction to the cane body 1 on one outer peripheral portion. The left and right mounting plates 3 ′ are integrally configured for mounting at a mounting angle that can be rotated and can be expanded at about 75 to 85 degrees with the center of the mounting portion 3 as a base point, and the open side configured as the other side Can be fastened and fixed to the cane body 1 with a screw or the like.
The mounting portion 3 is mounted on the lower side of the handle 2 at a position where there is no hindrance to the use of the cane, and the left and right mounting plates 3 'are respectively provided with pins 3 "for rotatably mounting the left and right support arms 4. Is provided.
[0009]
The support arm 4 is a friction material 4 ′ that enables effective frictional force generation at the left and right tip portions that abut against the leaning place 10. For example, the support arm 4 is formed in a ring shape that can be easily deformed with a slight pressure. The stationary support function on the surface of the place 10 can be further enhanced.
Each of the left and right support arms 4 is provided with a rod mounting hole 6 ″ for rotatably mounting the rod 6 at a predetermined position near the pin 3 ″.
[0010]
The starter 5 is attached to the left and right support arms 4 and the left and right rod mounting portions 6 ′ for mounting the rods 6 connected to the left and right support arms 4 in the same manner as the left and right mounting plates 3 ′ provided on the mounting portion 3. The pipe is integrally formed at a fixed position on the outer peripheral portion on one side with an angle, and is movable up and down through the cane body 1.
The rod 6 can be freely connected between the rod mounting holes 6 "provided in the left and right support arms 4 and the rod mounting portion 6 ', so that the rod 6 can be moved up by the actuating portion 5 about the cane body 1 as an axis. The left and right support arms 4 are pivoted about a pin 3 ″ provided on the left and right mounting plates 3 ′, and the distal ends of the left and right support arms 4 are at the same time as standing horizontally in a direction substantially perpendicular to the mounting portion 3. The left and right support arms 4 with the pins 3 ″ of the left and right mounting plates 3 ′ as the axis by the lowering operation of the starter 5 are configured to be rods 6 by opening the left and right at a predetermined angle. Is set to be able to stand still along the cane body 1 without hindering normal use of the cane.
A handle 5 'for facilitating the operation of the up-and-down movement is provided at a predetermined position at the end of the activation unit 5.
[0011]
The stop plate 7 determines the upper limit position when the starter 5 is raised when the left and right support arms 4 stand up and deploy to the left and right at a predetermined position for preventing the cane body 1 from falling. It is fixedly attached to the cane body 1 at a predetermined position.
The stop portion 8 is fixedly attached to the cane body 1 at the lower limit position when the starter 5 is lowered when the left and right support arms 4 are suspended along the cane body 1 during normal use of the cane.
In order to constitute a moderation sensation consisting of a position holding function in the left and right support arms 4 required at each stop position in the vertical movement operation of the activation unit 5 and a slight resistance during the vertical movement operation, The plate spring 9 comprising the projecting portions 9 ′, 9 ″ slightly hung on the upper and lower ends with the vertical movement dimension interval required by the starting portion 5 is provided to the starting portion 5 without hindering the required spring function. It is fixedly attached.
The protrusion 9 ″ is applied to the upper end of the stop 8 at the upper limit position of the starter 5 and the protrusion 9 ′ is applied to the lower end of the stop 8 at the lower limit of the starter 5.
The upper and lower ends of the stop portion 8 are provided with tapered portions 8 ′ that are slightly tapered so as not to impair the latching function of the projections 9 ′ and 9 ″ provided on the plate spring 9.
[0012]
In operation, first, the starting unit 5 is pulled up by the handle 5 'of the starting unit 5 until it stops.
At that time, the plate spring 9 attached to the starter 5 is raised so that the protrusion 9 ′ on the taper 8 ′ at the lower end of the stop 8 climbs over the stop 8 and the upper end of the starter 5 contacts the stop plate 7. At the same time, the protrusion 9 ″ settles on the tapered portion 8 ′ on the upper side of the stop 8 so that the starter 5 that moves with a slight resistance and moderation is stopped and fixed, and at the same time, the left and right support arms 4 are moved at a predetermined angle. Therefore, the left and right supporting arms 4 of the left and right supporting arms may be leaned against the leaning place 10.
At that time, the cane is leaned to lean against the leaning place 10 in a substantially right angle direction and in a slightly inclined state through the friction material 4 ′ at the distal end portions of the left and right support arms 4 opened.
When the cane is normally used, the activation part 5 may be pushed down with a slight force by the handle part 5 '.
The starter 5 is lowered and stopped and fixed by a predetermined function including projections 9 ′, 9 ″ provided on the plate spring 9, the stop 8, the taper 8 ′, etc. Since it hangs down along the axis and is fixed stationary, it does not hinder normal use of the cane.
[0013]
【The invention's effect】
The operation device of the support arm for preventing walking sticks of the present invention described above has the following effects.
[0014]
The operation device according to claim 1 is a manual operation that performs a predetermined operation such as a deployment operation for preventing the cane from falling over and a retracting operation for the drooping on the left and right support arms via a rod that is movable up and down through the cane body and is pivotally attached. In order to prevent the cane from falling, the starter is provided with a spring mechanism comprising a plate spring in order to set the starter's starter and the vertical movement range position of the starter and to make a sense of resistance and moderation. It is excellent in functionality that the support arm can be operated easily and easily with a one-touch feeling.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram showing a mounting state of an operating device including a mounting portion 3 to which left and right support arms 4 are mounted, a starting portion 5 and a rod 6 according to an embodiment of the present invention.
FIG. 2 is a top view showing the configuration of the attachment portion 3 attached to the cane, the left and right support arms 4, and the like.
FIG. 3 shows an embodiment of the operating device according to the present invention, where the starting portion 5 descends and comes into contact with the stop portion 8 and stops, and at the same time, the projection 9 ′ of the leaf spring 9 is hooked on the lower end portion of the stop portion 8. It is a longitudinal cross-sectional view which shows a state.
FIG. 4 is a longitudinal cross-sectional view showing a state in which the starting portion 5 rises and stops in contact with the stop plate 7 from the state of FIG. 3 and at the same time the protrusion 9 ″ of the plate spring 9 is hooked on the upper end portion of the stop portion 8. FIG.
FIG. 5 is a perspective view showing two modes at the time of use of the operation device according to the present invention leaning on a leaning place 10 or the like.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cane body 2 Grasping handle 3 Attachment part 3 'Attachment plate 3 "Pin 4 Support arm 4' Friction material 5 Starting part 5 'Hand part 6 Rod 6' Rod attachment part 6" Rod attachment hole 7 Stop plate 8 Stop part 8 ' Taper part 9 Leaf spring 9 'Protrusion part 9 "Protrusion part 10 Standing place

Claims (1)

  In the operation means of the support arm for preventing the cane from falling down along the cane body when the attachment part attached to the cane base is opened to the left and right at a predetermined angle and closed, the rod attaching part and the manual A pipe-shaped starting part that is integrally formed with a handle part and can be moved up and down through the cane body; a rod that freely connects a rod mounting hole provided in the left and right support arms and a rod mounting part of the starting part; A stop plate that determines the upper limit position of the starting part that rises to open the support arm at a predetermined angle; and a stop part that determines the lower limit position of the starting part that descends to suspend the left and right support arms along the cane body; In order to maintain the respective stop positions in the vertical movement of the starting part and obtain the moderation sense thereof through the upper and lower ends of the stopping part, the protrusions applied to the upper and lower ends of the stopping part are attached to the starting part. Part operation device of the support arm for cane fall prevention, characterized in that a plate spring, and configured with a provided with a predetermined gap.

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