JP5209849B2 - handrail - Google Patents

Description

  The present invention mainly relates to a handrail connection structure provided on the entrance porch or the approach from outside the site, and more particularly to a handrail connection structure suitable for connecting handrails in a non-linear manner.

  Conventionally, as a handrail provided on the entrance porch, etc. from outside the site, a handrail formed by forming a support column and a handrail bar by appropriately cutting and connecting a substantially straight pipe in JP-A-10-245594. A pipe handrail comprising means for inserting a pipe into an appropriately shaped joint disposed in a main part of the handrail and fixing the joint at an appropriate insertion position and angle between the joint and the pipe. Proposed.

In addition, the present applicant has proposed a structure in which headboards are connected non-linearly in Japanese Patent Laid-Open No. 2001-173187.
JP-A-10-245594 JP 2001-173187 A

  However, the handrail proposed in Japanese Patent Laid-Open No. 10-245594 as described above is a handrail formed by appropriately cutting and connecting substantially straight pipes to form a column and a handrail rod. Since the pipe handrail is provided with a means for inserting the pipe into a joint of an appropriate shape arranged in the section and fixing the joint and the pipe at an appropriate insertion position and angle, the column is a main part of the handrail. And handrail rods can be diverted from mass-produced or commercially available pipes, and the joints that connect appropriately cut pipes can be of a simple structure in which the pipes are formed and fixed freely, so the whole Can be produced in large quantities at low cost, and the type in which the pipe is inserted into the joint has no problems in assembly and use even if the cut surface of the pipe is a little complicated, and it can be easily assembled even by a slightly less skilled worker. That. Furthermore, since commercially available pipes are used, the quality is stable and the safety of the user can be ensured. In addition, when the pipe and the joint are separate parts, combining the pipe with aluminum silver finish and the joint with a color of resin orange, green, etc. will provide the effect of providing a colorful and fun handrail. There was a problem that it was not possible to connect the caps and the caps when trying to install the caps in a non-linear manner.

  In addition, the connection structure proposed in Japanese Patent Application Laid-Open No. 2001-173187 has a structure in which a convex connector provided at one end of one handrail body and a concave connector provided at one end of the other handrail are pivotable. In the connected structure of the handrail attached, the convex connector comprises a base attached to the handrail main body and a convex part projecting from the base, and the convex part is omitted from the top and bottom of the sphere. The concave connector consists of a base attached to the handrail body and a recess protruding from the base, and the recess has a shape in which the center of the sphere is removed in a disk shape. The convex portion of the convex connector is inserted into the concave portion of the concave connector and is pivotally connected by a connecting shaft passing through the convex portion and the concave portion, and a sphere is formed by the connected convex portion and the concave portion. Since the convex portion of the convex connector is sandwiched and connected to the concave portion of the concave connector, it is excellent in structural strength. However, even if a twisting moment is applied to the connecting part, the connecting part is difficult to be displaced, but the connecting tool is separated from the position of the support column. Therefore, if a strong force is applied to the position of the connecting tool, there is a problem that bending tends to occur. It was.

  Therefore, the present inventor has conducted intensive research in view of the conventional drawbacks, and can be easily installed on the steps of the approach and entrance porch, etc., has excellent structural strength, and can connect the handrail headboard at any angle. Is to provide.

The handrail of the present invention is a handrail in which headboards are provided on pillars that are erected at appropriate intervals on the ground surface, and a connection part that connects the headboards is provided on the upper part of the pillars, and this connection part is connected to one of the headboards. A convex connector provided at one end and a concave connector provided at one end of the other headboard are pivotally mounted, and the convex connector has a base attached to the end of the headboard and this It consists of a convex part formed separately from the above-mentioned base part that is attached to and protruded from the base part, and this convex part has a disk-like shape with the top and bottom of the sphere removed, and the concave connector is at the end of the caps The base portion attached to the base portion and the base portion projecting from and attached to the base portion are formed as a concave portion, and the concave portion has a shape in which the center of the sphere is removed in a disk shape, connection shaft protrusion type connector penetrates Rutotomoni is inserted into the recess of the concave connector, the convex and concave portions vertically More, the convex portion and the concave portion is rotatably connected to the rotation center of the connecting shaft, spheres are formed by linked protrusions and recesses, and the rotation center of the convex portion and the concave portion the The connecting shaft is provided on the center line of the support column, and the convex part of the convex connector is sandwiched and connected by the concave part of the concave connector, so that it has excellent structural strength and a twisting moment is applied to the connecting part. Sometimes the connecting part is difficult to shift. Further, since the connecting portion is provided on the support column, it is difficult to bend even if a strong force is applied to the connecting portion.

In the handrail of the present invention, the rotation center of the connecting portion is provided on the center line of the support column, and the installation angle of the headboard can be changed depending on the position of the support column.

The handrail of the present invention is a handrail in which headboards are provided on pillars that are erected at appropriate intervals on the ground surface, and a connection part that connects the headboards is provided on the upper part of the pillars, and this connection part is connected to one of the headboards. A convex connector provided at one end and a concave connector provided at one end of the other headboard are pivotally mounted, and the convex connector has a base attached to the end of the headboard and this It consists of a convex part formed separately from the above-mentioned base part that is attached to and protruded from the base part, and this convex part has a disk-like shape with the top and bottom of the sphere removed, and the concave connector is at the end of the caps The base portion attached to the base portion and the base portion projecting from and attached to the base portion are formed as a concave portion, and the concave portion has a shape in which the center of the sphere is removed in a disk shape, connection shaft protrusion type connector penetrates Rutotomoni is inserted into the recess of the concave connector, the convex and concave portions vertically More, the convex portion and the concave portion is rotatably connected to the rotation center of the connecting shaft, spheres are formed by linked protrusions and recesses, and the rotation center of the convex portion and the concave portion the Since the connecting shaft is provided on the center line of the support column , the connecting portion is excellent in structural strength, and the connecting portion is not easily displaced even when a torsional moment is applied to the connecting portion. Further, since the connecting portion is provided on the support column, it is difficult to bend even if a strong force is applied to the connecting portion. Moreover, the handrail to be connected can be connected at an arbitrary angle, and the shape of the connecting portion does not change regardless of the connecting angle. In addition, since a spherical body is formed at the connecting portion, when using a handrail, even when the hand is slid on the handrail, the connecting portion has no acute angle convex portion, and is safe and has a good touch.

In addition, the handrail of the present invention is such that the rotation center of the connecting portion is provided on the center line of the support column, and the installation angle of the headboard can be changed at the position of the support post, so that the force applied to the headboard is well balanced. It is transmitted to the column and becomes high strength. In addition, since the position where the installation angle of the headboard changes is on the center line of the support column, the balance of appearance is also excellent.

FIG. 1 is a front view of an upper portion of a column showing an example of an embodiment of the handrail of the present invention, FIG. 2 is a plan view, and FIG. 3 is a cross-sectional view.
In the figure, reference numeral 1 denotes a support column. A connection portion 2 is provided at the upper end of the support column 1, and an end portion of the headboard is attached to the base portion of the connection portion 2.

  The connecting portion 2 includes a convex connector 21 and a concave connector 22, and the convex portion 211 of the convex connector 21 is inserted into the concave portion 221 of the concave connector 22, and the connecting shaft penetrates the convex portion 211 and the concave portion 221. It is pivotally connected. When the convex connector 21 and the concave connector 22 are connected to each other, they become spherical, and the connecting portion 2 does not have an acute angle portion when rotated about the connecting shaft, and the touch is good. In this example, the rotation axis is a bolt for connecting the concave connector 22 and the convex connector 21 and rotating each connector together.

  The convex connector 21 includes a convex portion 211 and a base portion 212, and the convex portion 211 is attached to the base portion 212 so as to be rotatable. The base 212 is a cylindrical opening having one opening, and the inner shape of the opening of the base is substantially the same as the outer shape of the headboard. The end of the handrail body is inserted into the opening of the base 212, and the convex connector 21 is attached to the end of the headboard. At the other end of the base 212, a disc-like convex portion 211 is formed in which the top and bottom of the sphere are missing. A through hole is formed in the center of the convex portion 211 to form a connecting hole.

  The concave connector 22 includes a concave portion 221 and a base portion 222, and the concave portion 221 is attached to the base portion 222 so as to be rotatable. The base 222 is a cylindrical opening with one opening, and the inner shape of the opening of the base 222 is substantially the same as the outer shape of the headboard. The end of the headboard is inserted into the opening of the base 222, and the concave connector 22 is attached to the end of the headboard. At the other end of the base 222, the center of the sphere is cut out in a disk shape and a recess 221 is provided. A through hole is formed in the center of the lower hemispherical body constituting the recess 221. In addition, a sealing hole whose upper end is sealed is formed at the center of the upper hemispherical body. The bolt inserted from the through hole of the recess 221 passes through the connection hole of the convex connector 21 and is screwed into the sealing hole, so that the concave connector 22 and the convex connector 21 are rotatably attached. A column attachment portion 223 is provided at the lower part of the base of the concave connector 22 and is attached to the upper end of the column 1.

  In the connection of the headboard, the convex portion 211 of the convex connector 21 provided at the end of the other handrail is inserted into the concave portion 221 of the concave connector 22 provided at the end of one of the headboards, A bolt is inserted from the upper end of the recess 221 and screwed into the lower portion of the recess 221, and the convex portion 211 and the concave portion 221 that are overlapped with each other are pivotally mounted with the bolt as a connecting shaft. The convex portions 211 and the concave portions 221 that overlap each other form a sphere, and the shape of the connecting portion 2 does not change even when the connecting tools are connected at an arbitrary angle. When the handrail is used, even when the hand is slid on the headboard, the connecting portion 2 does not have an acute protrusion, and is safe and comfortable to touch.

  The center of rotation of the connecting portion 2 is provided on the center line of the support column 1, and the angle of installation of the headboard can be changed at the position of the support post 1, so that the force applied to the headboard is transmitted to the support post 1 in a balanced manner. High strength. Moreover, since the position where the installation angle of the headboard changes is on the center line of the support column 1, the balance of appearance is excellent.

  The convex connector 21 and the concave connector 22 in the present invention may be made of an appropriate material such as synthetic resin or metal, but is suitable because of high strength according to zinc or aluminum alloy die casting. Further, the surface may be appropriately treated such as painting.

  The support column 1 may be made of a material as appropriate, but a stainless steel pipe, an aluminum alloy extruded mold material, or the like is preferably used. A connecting portion 2 is provided at the upper end of the column 1, and the headboard is connected through the connecting portion 2.

It is a front view which shows an example of embodiment of the handrail of this invention. It is a top view which shows an example of embodiment of the handrail of this invention. It is sectional drawing which shows an example of embodiment of this invention handrail.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 support | pillar 2 connection part 21 convex connection tool 211 convex part 212 base 22 concave connection tool 221 recess 222 base 223 support attachment part

Claims (1)

A handrail provided with headboards on struts erected at appropriate intervals on the ground surface, and a connecting portion for connecting the headboards is provided on the upper portion of the struts, and this connecting portion is a convex portion provided at one end of one headboard. A mold connector and a concave connector provided at one end of the other headboard are pivotally mounted, and the convex connector is attached to the end of the headboard and attached to this base. It consists of a convex part formed separately from the base part provided, and this convex part has a disc shape with the top and bottom of the sphere removed, and the concave connector is attached to the end of the headboard And a concave portion formed separately from the base portion projecting from and attached to the base portion, the concave portion having a shape in which the center of the sphere is removed in a disk shape, and the convex portion of the convex connector the connecting shaft but penetrating Rutotomoni is inserted into the recess of the concave connector, the convex and concave portions vertically, the protrusions Recess is rotatably connected to the rotation center of the connecting shaft, spheres are formed by linked protrusions and recesses, and said connecting shaft serving as the rotation center of the convex portion and the concave portion, the strut A handrail characterized by being provided on the center line .

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