JP4851102B2 - handrail - Google Patents

Description

  The present invention provides a handrail grip provided on the wall along the stairs connecting the lower floor and the upper floor so as to turn from the wall surface side along the stairs to the side end face side of the wall. The present invention relates to the provision of a handrail that can be used smoothly and reliably when climbing up and down.

  Usually, handrails are provided along the stairs in order to make the stairs rise and fall smoothly and safely, and the stairs are moved up and down by holding this handrail.

  The handrails provided along the stairs can be operated in a state where the handrails are gripped when the stairs are climbed up, down, at the beginning of climbing, and at the beginning of climbing down, so that these various operations can be performed more. In order to achieve smooth and safe, a handrail bar continuing to the handrail bar provided on the wall along the stairs is provided so as to continue to the upper floor or lower floor wall.

  Japanese Patent Application Laid-Open No. H10-228688 discloses a connecting tool that forms a handrail that can be used by gripping a series of handrail bars.

However, in a building where the rooms are set as wide as possible with respect to the building area, there is a tendency for many restrictions on the design around the stairs, and along the stairs on the upper and lower floors There are many cases where a handrail bar cannot be provided so as to be continuous with a handrail bar provided on a wall.
JP 2000-54586

  In this way, when climbing up and down the stairs by grabbing the handrails provided on the walls along the stairs, the handrails that can be conveniently gripped when the stairs are climbed up, down, at the beginning of climbing, or at the beginning of climbing down There was no part, and it was necessary to perform each of the above operations without using a handrail.

  Thus, when there is no handrail part that can be conveniently gripped at the time of climbing up, down, at the beginning of climbing, or at the beginning of climbing, for example, it is provided along the stairs from the top of the stairs at the beginning of descending from the stairs. Reach out to the handrail that is used to grab and use the handrail, stand at the position facing the stairs at the beginning of ascending stairs, reach out to the handrails provided on the walls along the stairs, or use the stairs Ascending / descending operations from the stairs will be performed with the hands off the handrails provided on the walls along the stairs at the ascending and descending positions. Tended to be unstable, and sometimes hindered smooth and safe climbing of stairs by elderly people and young children.

  The present invention is intended to provide a handrail having a grip portion that can be used easily and reliably when the stairs are climbed up and down, in particular, when the stairs are climbed up and down, started to climb, and started to climb.

In order to solve the above problems, the present invention is a handrail provided on a wall along a staircase, the handrail bar, one end side being assembled to an end portion of the handrail bar, and the other end side being a side end surface of the wall. An attachment that is attached to a part and constitutes a grip part together with the handrail bar,
The fixture includes an attachment part attached to the side end surface portion of the wall, and an adjustment part assembled to be rotatable with respect to the attachment part.
The mounting part includes a mounting pipe part that is attached to the side end surface part of the wall, and a bent pipe part that is bent at a substantially right angle from the mounting pipe part. And an opening for mounting operation that can be closed with a lid member on the outer portion of the bent portion in the tubular body so as to extend over the mounting tube portion and the bent tube portion.
The adjustment part includes a mounting tube portion that receives an end portion of the handrail bar, and a cross-section including a bent tube portion that is bent at a substantially right angle from the mounting tube portion and whose side ends are closed by side end plate-like portions. As a circular tubular body,
From the side of the opening for the mounting operation, the mounting part is pressed against the side end surface of the wall with the side end plate-shaped part of the mounting pipe part of the mounting part so that the mounting part is in a horizontal state. A mounting means, and a side end plate-like portion of each of the bent pipe portions of the mounting part and the adjustment part are in close contact with each other, and the mounting part and the adjustment part are connected from the side of the opening for the mounting operation. As a handrail, a handrail bar provided on a wall along the stairs is attached to the adjustment part that is rotatably assembled and adjusted.

  In the handrail configured in this way, a grip portion can be continuously provided on the handrail bar between the end portion of the handrail bar provided along the wall and the side end surface portion of the wall. The grip portion of the fixture in this handrail can be conveniently gripped and used at the time of climbing up, descending down, starting ascending, starting to descend, and the like.

Moreover , since the fixture in the handrail which concerns on the said structure is equipped with the attachment part attached to the said side end surface part, and the adjustment part assembled | attached rotatably with respect to this attachment part , the side end surface part of a wall On the other hand, the handrail can be configured by appropriately rotating and adjusting the adjustment part so that it can be adapted to the installation angle of the handrail bar with respect to the attachment part attached in an appropriate form.

  The handrail according to the present invention may not be provided continuously with a handrail provided on a wall along the stairs, such as when there is no continuous wall on the ascending or descending side of the stairs. Even if there is, the climbing of the staircase can be achieved by providing a fixture that constitutes a handrail grip part together with the handrail bar between the side end face of the wall on the ascending side and the descending side and the end of the handrail bar. Various operations in descending, in particular, climbing up and down the stairs, starting to climb, and starting to descend can be smoothly and safely performed by grasping the grip portion of the handrail.

  Hereinafter, based on FIGS. 1-8, the handrail H and the fixture 20 which concern on the best form for implementing this invention are demonstrated.

  Here, FIG. 1 shows the lower side of the staircase S with the handrail H according to the best mode for carrying out the invention as viewed obliquely from above, and FIG. 2 shows the staircase S with the handrail H in FIG. The upper side is shown from above. Furthermore, in FIG. 3, the state which attached the handrail bar 10 of the typical handrail H which concerns on the best form for implementing this invention to the wall W using the fixture 20 is cut in the horizontal direction, FIG. Then, the state which isolate | separated each component of this fixture 20 and the handrail bar 10 is shown seeing from diagonally upward. Next, in FIG. 5, the state in which the handrail bar 10 of another typical handrail H according to the best mode for carrying out the invention is attached to the wall W using the attachment 20 is sectioned in the horizontal direction, In FIG. 6, the state which isolate | separated each component of this fixture 20 and the handrail bar 10 is seen from diagonally upward. In FIG. 7, the state which attached the handrail bar 10 of the further other typical handrail H which concerns on the best form for implementing the said invention to the wall W using the fixture 20 is cut in the horizontal direction, FIG. 8 shows a state in which the parts of the fixture 20 and the handrail bar 10 are separated, as viewed obliquely from above.

  The handrail H according to the best mode for carrying out the present invention is a handrail H provided on the wall W along the stairs S, and one end side is assembled to the handrail bar 10 and the end portion 10a of the handrail bar 10. At the same time, the other end is attached to the side end face Wb of the wall W, and the fixture 20 is provided with the handrail bar 10 to form a grip.

  In the handrail H configured as described above, the grip portion is continuously provided on the handrail bar 10 between the end portion 10a of the handrail bar 10 provided along the wall W and the side end surface portion Wb of the wall W. When the staircase S is climbed up, down, started to climb, or started to descend, the grip portion of the fixture 20 in the handrail H can be conveniently gripped and used.

  The attachment 20 of the handrail H used here may be of any form as long as the handrail bar 10 can be attached to the wall W and can be used as a grip portion. It may be configured. The fixture 20 includes, for example, an attachment portion to the handrail bar 10 and an attachment portion to the side end surface portion Wb of the wall W, and the space between the attachment portions is U-shaped or curved in plan view. Can be used.

  One end of the fixture 20 is assembled to the handrail bar 10 provided on the wall W along the stairs S, and the other end is assembled to the side end surface Wb of the wall W. A portion assembled to the side end surface portion Wb so as to protrude from the side end surface portion Wb of the fixture 20 can be used as a grip portion of the handrail H continued to the handrail bar 10. Grabbing the fixture 20 protruding from the side end face Wb of the wall W along the wall W, the stairs S can be lifted, lowered, started to climb, and started to descend. it can.

  Here, the fixture 20 that constitutes the grip portion of the handrail H together with the handrail bar 10 may be provided at both ends of the handrail bar 10 so as to constitute the handrail H. 10 may be provided only on one end side to constitute the handrail H.

  The fixture 20 of the handrail bar 10 can be made of various metal materials such as iron, trunk, and aluminum, for example, stainless steel. The fixture 20 can be made of a plastic material such as plastic or fiber reinforced plastic. Moreover, the fixture 20 used here can be further comprised with various composite materials.

  Moreover, the fixture 20 of the handrail bar 10 may be composed of a rod-shaped body or a tubular body. For example, it can be constituted by a rod-like body bent in a curved shape, or can be constituted by a rod-like body bent in a U-shape. Furthermore, for example, it can be configured by a tubular body bent in a curved shape, or can be configured by a tubular body bent in a U-shape.

  More typically, the fixture 20 extends between the end portion 10a of the handrail bar 10 provided on the wall W along the stairs S and the side end surface portion Wb of the wall W. Furthermore, it is configured to be bent in an arc shape or a U shape in a plan view extending in the extending direction of the handrail bar 10 and reaching the end portion 10a of the handrail bar 10.

  Here, the side end surface portion Wb of the wall W is a surface extending in the thickness direction of the wall W, that is, a pair of surfaces Wa and Wa forming the front and back of the wall W, and is connected to the side end of the wall W. It means the surface portion Wb provided.

  In the handrail H configured as described above, the grip portion is provided together with the handrail bar 10 between the end portion 10a of the handrail bar 10 provided along the surface Wa of the wall W and the side end surface portion Wb of the wall W. The fixture 20 which comprises is provided as needed, and when the staircase S rises up, down, starts to rise, starts to descend, etc., the gripping part of the handrail H can be gripped to perform the various operations.

  The fixture 20 provided on the handrail bar 10 may be composed of a single part or a plurality of parts.

  Moreover, the said fixture 20 in the handrail H which concerns on the said structure is provided with the attachment part 21 attached to the said side end surface part Wb, and the adjustment part 22 assembled | attached so that rotation with respect to this attachment part 21 is possible. In the fixture 20, the fixture 20 can be adapted to the installation angle of the handrail bar 10 with respect to the attachment part 21 attached in an appropriate form to the side end surface portion Wb of the wall W. In addition, the adjustment part 22 can be appropriately rotated and used.

  The attachment part 21 and the adjustment part 22 may be configured in any form as long as the adjustment part 22 is rotatably attached to the attachment part 21, and includes any rotation means. Even if the adjustment part 22 is directly attached to the attachment part 21 so as to be rotatable, the adjustment part 22 can be rotated with respect to the attachment part 21 via an appropriate connecting means 23. It may be assembled to.

  First, the handrail H using the typical fixture 20 and the handrail bar 10 shown in FIGS. 1 to 4 will be specifically described.

  The handrail H shown in FIGS. 1 to 4 is a handrail H provided on the wall W along the stairs S, and one end side is assembled to the handrail bar 10 and the end portion 10a of the handrail bar 10 and others. And an attachment 20 that is attached to the side end surface portion Wb of the wall W and forms a grip portion together with the handrail bar 10. In this illustrated example, a handrail is appropriately attached to the wall W. The handrail bar 10 is supported by using the metal fitting 11, the attachment 20 is attached to the side end face Wb, and the adjustment part 22 is attached to the attachment part 21 so as to be rotatable. It is set as the structure provided with.

  The fixture 20 used here is used when the handrail bar 10 is provided on the wall W along the staircase S that connects the floor portions F of the lower floor and the upper floor. The end of the handrail bar 10 provided on the wall W when there is no wall or the like that can be provided with a handrail so as to be continuous with the handrail bar 10 provided along the stairs S on the lower side, upper side, or both upper and lower sides of S The handrail bar 10 and the attachment tool 20 constitute a handrail portion of the handrail H that is continuous in series so that the attachment tool 20 is assembled between 10a and the side end surface portion Wb of the wall W. .

  By forming the grip portion of the handrail H by the fixture 20 assembled to the side end surface portion Wb of the wall W in this way, when the staircase S that grips the handrail bar 10 is climbed up and down, the gripping operation on the handrail bar 10 is extended. The fixture 20 can be gripped and used above, and the fixture 20 provided to be bent or curved from the surface Wa of the wall W along the stairs S toward the side end surface portion Wb of the wall W. By using the grip, the stairs S can be smoothly and safely climbed up and down, and the stairs S can be smoothly and safely moved to the floor F of the upper floor and the lower floor. Further, by using the fixture 20 provided to bend or curve from the surface Wa of the wall W along the stairs S toward the side end surface portion Wb of the wall W, the stairs start to rise, Each operation at the beginning of getting off can be performed smoothly and safely.

  In the illustrated example, the fixture 20 that constitutes the handrail H has a pipe portion in a direction orthogonal to the handrail bar 10, and is bent from both ends of the pipe portion so as to be parallel to the handrail bar 10. The end portion 10a of the handrail bar 10 provided in parallel to the surface Wa of the wall W is provided in the fixture 20 so as to have a U-shape in a plan view including a pair of extending pipe portions. The side end surface of the wall W is connected to the handrail bar 10 provided on the wall W by assembling the tube portion on the one side and fixing the end of the other tube portion to the side end surface portion Wb of the wall W. A handrail H having a grip portion reaching the portion Wb is configured, and a portion of the fixture 20 that is parallel to the side end surface portion Wb of the wall W, in the illustrated example, the side end surface portion Ascending to the staircase S, holding the pipe parallel to Wb At the beginning and at the beginning of descending, each of the ascending / descending operations can be performed, and when the staircase S is climbed up and down, the fixture 20 portion that is continuous with the handrail bar 10 and parallel to the side end surface portion Wb of the wall W. It is possible to move from the staircase S to the floor F on the upper floor of the staircase S or the floor F of the lower floor while gripping.

  In this illustrated example, a mounting part 21 for fixing the mounting tool 20 to the side end surface portion Wb of the wall W, and a handrail bar 10 are mounted so as to be rotatable with respect to the mounting part 21. The adjustment part 22 is obtained.

  The attachment part 21 and the adjustment part 22 constituting the fixture 20 according to this illustrated example are handrails continuously to the handrail bar 10 when the handrail bar 10 is assembled by receiving the end 10a of the handrail bar 10. In this illustrated example, the gripping portion of H is constituted by a circular tubular body that can receive the end portion 10a of the handrail bar 10 having a substantially round bar shape. By inserting the end portion 10a of the handrail bar 10 into the tubular body forming the tool 20 and fixing it to the attachment tool 20, the handrail H having a series of continuous grip portions can be formed on the handrail bar 10. It is.

  The attachment part 21 according to the illustrated example includes a tubular body 21 ′ having a circular section including an attachment tube portion 21 ′ A and a bent tube portion 21 ′ B bent substantially at right angles from the attachment tube portion 21 ′ A. It is constituted by. The tubular body 21 'has a configuration in which both ends of the respective tube portions are closed as side end plate-like portions 21'a, and an attachment tube portion 21'A and a bent tube portion are provided on an outer portion of the bent portion. An opening 21 ′ b is provided so as to cover 21 ′ B, and the opening 21 ′ b can be closed by the lid member 26.

  In the mounting part 21 configured as described above, the mounting part 21 is horizontal to the side end surface part Wb of the wall W to be mounted on the side end plate-like part 21′a on the mounting tube part 21′A side. Using the opening 21′b, the wood screw 25 is screwed into the wall W from the hole 21′c provided in the side end plate-like portion 21′a, and the mounting part 21 is perpendicular to the wall W. Fasten to stick out.

  In addition, the wall W which concerns on this example of illustration shows an example of various walls W, Comprising: 30 has shown the pillar and 31 has shown the board.

  Further, the opening 21 ′ is formed in the side end plate-like portion 21′a on the bent pipe portion 21′B side of the attachment part 21 attached to the side end surface portion Wb of the wall W by the side end plate-like portion 21′a. An insertion hole 21'd of a male screw 23'b that forms part of the connecting means 23 that can be operated from b is provided. In addition, the opening 21′b is fixed to the wall W and after being attached to the adjustment part 22, the opening 21′b is closed by the lid member 26. The claw 26a 'of the elastic engagement piece 26a provided in the lid member 26 is hooked on the inner surface continuous with the edge of the opening 21'b so as to elastically contact the opening edge of' b. It is.

  The adjustment part 22 used by being connected to the attachment part 21 is assembled to the attachment part 21 and constitutes a substantially U-shaped attachment 20 together with the attachment part 21 in a plan view. A tubular body 22 ′ having a circular cross-section with a mounting tube portion 22′A for receiving ten end portions 10a and a bent tube portion 22′B bent so as to be substantially perpendicular to the mounting tube portion 22′A. It is configured. The tubular body 22 ′ has an opening 22′b at the side end of the mounting tube portion 22′A and the side end side of the bent tube portion 22′B is closed by the side end plate-like portion 22′a. The side end plate-like portion 22'a is provided with a female screw portion 23'a that forms the connecting means 23.

  With the adjustment part 22 having such a configuration, the side end plate-like portion 22′a in the adjustment part 22 is brought into close contact with the side end plate-like portion 21′a of the bent pipe portion 21′B of the attachment part 21. Then, by using the opening 21'b to screw the male screw 23'b constituting the connecting means 23 into the female screw 23'a constituting the other connecting means 23 from the hole 21'd, Assemble it so that it can rotate.

  Thus, the adjustment part 22 is assembled so as to be rotatable with respect to the attachment part 21 fixed to the side end surface part Wb of the wall W in the side end plate-like part 21′a of the attachment pipe part 21′A. The end 10a of the handrail bar 10 can be received from the opening 22'b of the mounting tube portion 22'A forming the straight tube of the adjustment part 22 in the fixture 20 configured to be substantially U-shaped. The adjustment part 22 is rotated and adjusted with respect to the attachment part 21, and the direction of the opening 22'b in the tubular body 22 'is set to the direction of the handrail bar 10, and the end 10a of the handrail bar 10 is placed in the tubular body 22'. Then, the screw 20 is screwed through the hole 22′c provided in the tubular body 22 ′ to connect the fitting 20 and the handrail bar 10 together.

  In the fixture 20 configured as described above, one type of the fixture 20 is attached to the end portion 10a on the handrail bar 10 on the upper end portion side and on the end portion 10a on the lower end portion side. Can be assembled and used. Moreover, in this fixture 20, even when the upper end position and the lower end position of the handrail bar 10 provided on the wall W are displaced, the end portion 10a of the handrail bar 10 forms the straight tube. It can be received in the mounting tube portion 22′A and mounted in a manner that absorbs the positional deviation.

  The handrail bar 10 and the attachment tool 20 are assembled to each other so that the handrail bar 10 and the attachment tool 20 are attached to the wall W after the handrail bar 10 and the attachment tool 20 are assembled. Even if the handrail bar 10 is provided in advance on the wall W and the fixture 20 is assembled to the handrail bar 10 provided on the wall W, the wall W is further provided. The handrail bar 10 may be assembled to the mounting tool 20.

  Furthermore, in the structure which divides the fixture 20 into the attachment part 21 and the adjustment part 22 like the example of the said illustration, these each attachment part 21, the adjustment part 22, and the handrail bar 10 are used for the construction procedure in a construction site. They can be assembled in any convenient order, and can be attached to the wall W in any order corresponding to the circumstances at the construction site.

  For example, the attachment part 21 and the adjustment part 22 are prepared and assembled in advance, and the attachment tool 20 assembled with the attachment part 21 and the adjustment part 22 is attached to the side end surface portion Wb of the wall W in advance. The handrail bar 10 may be prepared for assembly in advance, or the fixture 20 may be assembled to the handrail bar 10 provided in advance on the wall W and fixed to the side end surface portion Wb.

  Further, for example, in a state where the attachment part 21 is fixed to the side end surface portion Wb, the adjustment part 22 is provided with the handrail bar 10 with respect to the attachment part 21, or the handrail bar 10 is not provided. Furthermore, you may make it assemble | attach so that the edge part 10a of the handrail bar 10 with which the wall W was equipped may be received.

  Further, for example, in a state where the adjustment part 22 is assembled to the handrail bar 10 provided on the wall W, the attachment part 21 is assembled to the adjustment part 22 and is fixed to the side end surface portion Wb. Also good.

  The attachment of the handrail bar 10 end portion 10a to the side end surface portion Wb of the wall W can be performed by setting the assembly angle of the adjustment part 22 to the attachment part 21 to an arbitrary angle. The handrail bar 10 can be installed on the wall W so as to conform to a specific inclination.

  In this illustrated example, a mounting tool 20 is provided between the handrail bar 10 having a round bar shape and the side end surface portion Wb, and the handrail bar 10 and the mounting tool 20 continuously connect the grip portions of the handrail H in series. 1 and 2, even when a door D or the like is provided continuously to the wall W along the staircase S as shown in FIGS. 1 and 2, the wall along the staircase A grip portion continuous with the handrail H provided in W can be provided by the fixture 20 so as to reach the side end surface portion Wb side of the wall W along the staircase S.

  In particular, in the illustrated example, the fixture 20 is formed in a U-shape in plan view, and the attachment part 21 constituting the fixture 20 is connected to the side end surface portion Wb of the wall W, that is, the staircase. It is fixed to the wall W in a state separated from the surface Wa of the wall W along S, more specifically in the middle of the side end surface portion Wb of the wall W.

  In the manner of attachment of the attachment part 21 to the wall W, more specifically, a grip portion in a direction that intersects the ascending / descending direction of the staircase S so as to be continuous with the grip portion of the handrail H along the staircase S, more specifically. Is a direction perpendicular to the ascending / descending direction of the staircase S. In this illustrated example, the grip portion of the handrail H parallel to the side end surface portion Wb of the wall W is formed by the bent tube portions 21′B and 22′B. It is configured in a substantially horizontal direction, is parallel to the side end surface portion Wb of the wall W, and grips a substantially horizontal grip portion, so that various operations such as ascending, descending, ascending and descending of the stairs S are performed. Can be made.

  Next, the handrail H according to another best mode for carrying out the invention shown in FIGS. 5 and 6 and the fixture 20 constituting the handrail H will be specifically described.

  The handrail H and the fixture 20 shown in FIGS. 5 and 6 are a connecting means 23 for connecting the attachment part 21 and the adjustment part 22 and the attachment part 21 to the side end face Wb of the wall W. 24, and the configuration of the handrail H and the fixture 20 shown in FIGS. 1 to 4 except for the configuration required for the configuration is provided in the mounting part 21 and the adjustment part 22. The same or substantially the same configuration as the above, and can be provided on the wall W along the staircase S in the same manner, and in the same manner as in the handrail H and the fixture 20 shown in FIGS. Can be used.

  Therefore, in the description of the handrail H and the fixture 20 shown in FIGS. 5 and 6, the same or substantially the same components as the handrail H and the fixture 20 shown in FIGS. The description is omitted.

  The handrail H and the fixture 20 shown in FIG. 5 and FIG. 6 are handrails H provided on the wall W along the stairs S. One end side of the handrail bar 10 and the end portion 10a of the handrail bar 10 are provided. And the other end side is attached to the side end surface portion Wb of the wall W and includes a fixture 20 that forms a grip portion together with the handrail bar 10. In this illustrated example, the wall W On the other hand, the handrail bar 10 is appropriately used to support the handrail bar 10, and the attachment 20 is attached to the side end face portion Wb, and the attachment part 21 is rotatably attached to the attachment part 21. The adjustment part 22 is provided.

  The attachment part 21 in the handrail H is constituted by a tubular body 21 "bent substantially at a right angle, and this tubular body 21" is attached to the attachment pipe part 21 "A protruding substantially horizontally from the side end face part Wb of the wall W. And a bent pipe portion 21 ″ B provided in parallel to the side end face portion Wb, the pipe end on the side of the attachment pipe portion 21 ″ A has an opening 21 ″ b, The tubular fitting portion 24b of the tool 24 is closely fitted, and the tube end on the bent tube portion 21 ″ B side has an opening 21 ″ having an inward flange 21 ″ a ′ along the inner peripheral edge. The claw 23 "b 'of the elastic engagement piece 23" b in the connecting means 23 fitted into the opening 21 "a is caught by the flange 21" a'.

  The attachment auxiliary tool 24 for attaching the attachment part 21 to the side end surface portion Wb of the wall W includes a cylindrical fitting portion 24b in a protruding state on one surface portion side of the disk body 24a, and the cylinder of the cylindrical fitting portion 24b. A female screw hole 24d into which the male screw 27 is screwed is provided in the shape portion, and an insertion hole 24c of the wood screw 25 is provided in an outer portion of the cylindrical fitting portion 24b in the disk body 24a.

  The disc body 24a of the mounting aid 24 having such a configuration is attached to the side end surface portion Wb of the wall W, and a wood screw 25 is screwed into the wall W from the hole 24c to fasten the mounting aid 24. Further, the cylindrical fitting portion 24b of the mounting aid 24 is fitted from the opening 21 "b of the mounting part 21, and the cylindrical fitting portion is inserted from the hole 21" c provided in the mounting pipe portion 21 "A. A male screw 27 is screwed into the female screw hole 24d of 24b, and the mounting aid 24 and the mounting part 21 are assembled.

  Further, the adjustment part 22 constituting the fixture 20 is constituted by a tubular body 22 "bent substantially at a right angle, and includes a mounting pipe portion 22" A and a bent pipe portion 22 "B. The pipe end on the side of the mounting pipe 22 ″ A has an opening 22 ″ b and a circle along the inner side of the opening edge of the opening 22 ″ a on the pipe end on the bent pipe 22 ″ B side. A flange 22 ″ a ′ protruding toward the center in the circumferential direction is provided, and the elastic engagement piece 23 ″ b of the connecting means 23 can be hooked by using the flange 22 ″ a ′.

  The connecting means 23 for rotatably connecting the adjusting part 22 to the mounting part 21 has a configuration in which elastic engagement pieces 23 ″ b are provided so as to form an annular shape on both sides of the disk body 23 ″ a. Each elastic engagement piece 23 "b is provided with a claw 23" b 'protruding outward from its upper end.

  The elastic engagement pieces 23 ″ b arranged in an annular shape are pushed into the pipe portion while being elastically deformed by the flange 21 ″ a ′ from the opening 21 ″ a of the bent pipe portion 21 ″ A in the attachment part 21, thereby “B ′” is inserted into the pipe portion beyond the flange 21 ″ a ′, is elastically restored, and is hooked on the flange 21 ″ a ′.

  Further, the elastic engagement pieces 23 ″ b arranged in a ring shape on the other surface of the disk body 23 ″ a in the connecting means 23 are used as openings 22 ″ a of the bent pipe portion 22 ″ B in the adjustment part 22. Is pushed into the tube part while being elastically deformed by the flange 22 ″ a ′, and the claw 23 ″ b ′ is inserted into the tube part beyond the flange 22 ″ a ′, and is elastically restored to the flange 22 ″ a ′. Be hooked.

  Further, the end portion 10a of the handrail bar 10 is closely fitted into the tube portion from the opening 22 "b of the attachment tube portion 22" A of the adjustment part 22 that is rotatably assembled to the attachment part 21. The adjustment part 22 and the handrail bar 10 are assembled by screwing the screw 28 into the handrail bar 10 through the hole 22 "c provided in the above.

  In the fixture 20 configured as described above, one type of the fixture 20 is attached to the end portion 10a on the handrail bar 10 on the upper end portion side and on the end portion 10a on the lower end portion side. Can be assembled and used. Moreover, in this fixture 20, even when the upper end position and the lower end position of the handrail bar 10 provided on the wall W are displaced, the end portion 10a of the handrail bar 10 forms the straight tube. It can be received in the mounting tube portion 22 ″ A and can be mounted in a manner that absorbs the displacement. Further, the handrail bar 10 can be formed by configuring the mounting part 21 and the adjustment part 22 to have the same size and shape. It can be set as the fixture 20 which can be assembled | attached from any direction with respect to.

  In the handrail H configured in this way, even if the fixture 20 is assembled to the handrail bar 10 first, the fixture 20 is attached to the side end surface portion Wb of the wall W. In addition, the handrail bar 10 is first assembled to the wall W, and the fixture 20 is assembled to the handrail bar 10 provided on the wall W and the side end surface portion Wb of the wall W. It may be.

  Further, in such a handrail H, the attachment part 21, the adjustment part 22, and the handrail bar 10 may be assembled in any order as long as they can be assembled so as to form the above-described configuration. It can be assembled in the mounting order corresponding to the situation of the construction site.

  In this illustrated example, the tubular body 21 "of the mounting part 21 and the bent pipe part 22" B of the adjusting part 22 are attached to the side end surface part Wb of the wall W so as to be substantially horizontal, The bent tube portion 21 ″ B and the bent tube portion 22 ″ B in the fixture 20 are parallel to the side end surface portion Wb of the wall W, and are horizontally provided in the handrail bar 10 continuously. Grasp the pipe portion 22 ″ B and the bent pipe portion 21 ″ B to smoothly and safely perform the ascending / descending operations of the staircase S, particularly the ascending / descending / starting of climbing / starting of the staircase S. Can do.

  Next, still another typical handrail H and fixture 20 according to the best mode for carrying out the invention shown in FIGS. 7 and 8 will be specifically described.

  The handrail H and the fixture 20 according to the illustrated example are handrails H provided on the wall W along the stairs S, and one end side is assembled to the handrail bar 10 and the end portion 10a of the handrail bar 10 and the like. And an attachment 20 that is attached to the side end surface portion Wb of the wall W and forms a grip portion together with the handrail bar 10. In this illustrated example, a handrail is appropriately attached to the wall W. The handrail bar 10 is supported by using the metal fitting 11, the attachment 20 is attached to the side end face Wb, and the adjustment part 22 is attached to the attachment part 21 so as to be rotatable. It is set as the structure provided with.

  In the illustrated example, the fixture 20 constituting the handrail H includes an attachment part 21 having a curved tubular body 21C and an adjustment part 22 having a curved tubular body 22C. The mounting tool 20 is configured to have a substantially semicircular shape when seen in a plan view in a state in which it is rotatably assembled.

  The attachment part 21 in the handrail H is constituted by a curved tubular body 21C that is substantially a quarter of a circular arc, and has one end side as an opening 21Cb into which the attachment auxiliary tool 24 is assembled, and the other end side as a connecting means. An opening 21Ca provided with a flange 21Ca ′ to which 23 elastic engagement pieces 23 ″ b are assembled is provided in the inner circumferential direction.

  Further, the adjustment part 22 that is rotatably assembled to the attachment part 21 is configured by a curved tubular body 22C that is a quarter of a circular arc, and one end side of the adjustment part 22 is the end 10a of the handrail bar 10. The opening 22Cb is assembled, and the other end side is an opening 22Ca provided with a flange 22Ca ′ to which the elastic engagement piece 23 ″ b of the connecting means 23 is assembled in the inner circumferential direction.

  The connecting means 23 used for connecting the attachment part 21 and the adjustment part 22 is configured such that the claw 23 ″ b ′ of the elastic engagement piece 23 ″ b constituting the connection means 23 is connected to each flange of the attachment part 21 and the adjustment part 22. The adjustment part 22 is rotatably assembled to the attachment part 21 so as to be hooked on 21Ca ′ and 22Ca ′, and substantially the same as the connecting means 23 in the attachment 20 shown in FIGS. In the same way, the adjustment part 22 can be rotatably assembled with respect to the mounting part 21 in the same manner, and the same or substantially the same constituent part is denoted by the same number, The description is omitted.

  The mounting part 21 that constitutes the mounting tool 20 uses the mounting auxiliary tool 24 having the same or substantially the same structure as the mounting auxiliary tool 24 used in FIGS. The cylindrical fitting portion 24b of the mounting aid 24 is closely fitted through the opening 21Cb, and the cylindrical fitting portion 24b of the mounting aid 24 is inserted through the hole 21Cc provided in the mounting part 21. The male screw 27 is screwed into the female screw hole 24d provided in the above, and is fastened. The configuration of the mounting assisting tool 24 and the mounting of the mounting part 21 using the mounting assisting tool 24 are the same as or substantially the same as the configuration and mounting method of the mounting assisting tool 24 shown in FIGS. The same number is attached | subjected to the same component and the description is abbreviate | omitted.

  Similarly to the handrail H shown in FIGS. 5 and 6, the end portion 10 a of the handrail bar 10 is closely fitted into the opening 22 Cb of the adjustment part 22, and from the hole 22 Cc provided in the adjustment part 22. The screw 28 is screwed into the handrail bar 10 and the adjustment part 22 is fixed to the handrail bar 10. The same components are denoted by the same reference numerals and the description thereof is omitted.

  In the fixture 20 configured as described above, one type of the fixture 20 is attached to the end portion 10a on the handrail bar 10 on the upper end portion side and on the end portion 10a on the lower end portion side. Can be assembled and used. Moreover, it can be set as the fixture 20 which can be assembled | attached from any direction with respect to the handrail bar 10 grade | etc., By comprising the said attachment part 21 and the adjustment part 22 in the same dimension and shape.

  Thus, the fixture 20 provided between the end portion 10a of the handrail bar 10 provided on the wall W and the side end surface portion Wb of the wall W is used as the grip portion of the handrail H continuous with the handrail bar 10 as shown in FIG. It can be used similarly to the handrail H shown in FIG.

  A part of the curved tubular body 22C is provided at the end portion of the handrail H by providing the attachment part 21 in the fixture 20 having such a configuration so as to protrude horizontally from the side end surface portion Wb of the wall W. And a horizontal gripping portion made of the curved tubular body 21C can be provided.

The perspective view of the principal part in the state which equipped the wall W with the typical handrail H The perspective view of the principal part of the state which equipped the wall W with the other typical handrail H Sectional drawing of the principal part which shows the installation state of typical handrail H Separate perspective view of the same part Sectional drawing of the principal part which shows the installation state of other typical handrail H Separate perspective view of the same part Furthermore, sectional drawing of the principal part which shows the installation state of other typical handrail H Separate perspective view of the same part

Explanation of symbols

H handrail W wall Wb side end face S stairs 10 handrail bar 10a end 20 fixture 21 attachment part 22 adjustment part

Claims (1)

A handrail provided on a wall along a staircase, wherein a handrail bar and one end side thereof are assembled to an end portion of the handrail bar, and the other end side is attached to a side end surface portion of the wall and the grip portion together with the handrail bar And mounting fixtures,
The fixture includes an attachment part attached to the side end surface portion of the wall, and an adjustment part assembled to be rotatable with respect to the attachment part.
The mounting part includes a mounting pipe part that is attached to the side end surface part of the wall, and a bent pipe part that is bent at a substantially right angle from the mounting pipe part. And an opening for mounting operation that can be closed with a lid member on the outer portion of the bent portion in the tubular body so as to extend over the mounting tube portion and the bent tube portion.
The adjustment part includes a mounting tube portion that receives an end portion of the handrail bar, and a cross-section including a bent tube portion that is bent at a substantially right angle from the mounting tube portion and whose side ends are closed by side end plate-like portions. As a circular tubular body,
From the side of the opening for the mounting operation, the mounting part is pressed against the side end surface of the wall with the side end plate-shaped part of the mounting pipe part of the mounting part so that the mounting part is in a horizontal state. A mounting means, and a side end plate-like portion of each of the bent pipe portions of the mounting part and the adjustment part are in close contact with each other, and the mounting part and the adjustment part are connected from the side of the opening for the mounting operation. A handrail bar provided on a wall along the stairs is assembled to the adjustment part that is assembled so as to be pivotable and is pivotally adjusted.

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