JP2017053116A - Handrail for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate installation work, by improving strength, by reducing irregularity around a connection structure of first and second handrail bodies connected so that an angle can be adjusted.SOLUTION: A connection bracket of a first handrail body comprises a pedestal part having a flat front face substantially parallel to an installation surface and a support part for supporting an end part of a first handrail bar, and an opposed curved surface is provided on a lateral peripheral wall of the pedestal part. An end part of the support part is provided with a cover part of overhanging up to the front side by standing from an end part of the flat front face of the pedestal part. A joint of a second handrail body comprises a base part fixed to the other end of the second handrail bar and a connection part projected with a recessed step difference from the tip of the base paret, and the tip of the base part is provided with a cliff surface substantially parallel to the opposed curved surface of the pedestal part, and a rear face of the connection part is provided with a flat rear face substantially parallel to the flat front face of the pedestal part. A connection screw for inserting the connection part for abutting on the pedestal part, threadedly engages with the pedestal part, and the first handrail body and the second handrail body are connected. The cover part covers a part of a lateral peripheral surface of the connection part, and the cliff surface of the base part covers a part of the opposed curved surface of the lateral peripheral wall of the pedestal part.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a handrail for buildings composed of two handrail bodies that are connected so as to be adjustable in angle.

  In general, when handrails are attached to walls such as bathrooms, toilets, entrances, etc., the angle between the two handrail bodies to be connected is set so as to correspond to the attachment position and direction (for example, horizontal direction, vertical direction, inclination direction, etc.). Handrails are used.

  As this type of handrail, each end of the handrail bar constituting the handrail body is supported by a support base (bracket) fixed to the mounting surface, and the other end of both handrail bars is attached to one mounting base (bracket). An L-shaped handrail in which two handrail bars are installed in, for example, a horizontal direction and a vertical direction by tightening a bolt is known (for example, see Patent Document 1).

  In the handrail set according to the second embodiment described in Patent Document 1, as shown in FIGS. 10 and 11 described in Patent Document 1, a support cylinder 24 is provided at each end of the two handrail rods 3 to form a cylindrical shape. Each support cylinder 24 is pivotally attached to the mounting base 20 so as to be rotatable by a bolt 29.

Japanese Patent Laying-Open No. 2005-42365 (FIGS. 10 and 11)

  However, in the handrail set according to the second embodiment described in Patent Document 1, irregularities are formed from the tube portion 25 to the bracket portion 28 in the support tube 24. Further, irregularities are formed from the bracket portion 28 of the support cylinder 24 to the support cylinder 21 of the mounting base 20. Thus, when the unevenness | corrugation is formed in the periphery of the connection structure of two handrail sticks, when a user grasps the periphery of a connection structure, there exists a possibility of feeling discomfort and a pain. Especially for patients with rheumatoid arthritis, there is a concern that the finger feels severe pain because the finger is moved according to the unevenness.

  Further, when the user stands or sits, a load is applied to the handrail bar 3, but there is a concern that the bolt 29 gradually loosens and the handrail bar 3 becomes loose while the load is applied to the handrail bar 3 many times.

  Furthermore, since the two support cylinders 24 are fixed to the mounting base 20 with the bolts 29, the mounting operation of the handrail set is troublesome.

  The present invention has been made in view of the above circumstances, and it is possible to reduce the unevenness and gaps around the connecting portion that connects the two handrail bodies so that the angle can be adjusted, and to improve the strength. To provide a handrail for a building that makes it easy.

  In order to solve the above problems, the present invention is a building handrail that includes a first handrail body and a second handrail body that are coupled so as to be relatively rotatable, and is attached to a mounting surface of a building. The handrail body has a first handrail rod whose one end is supported by the first bracket, and a connecting bracket that supports the other end of the first handrail rod, and the second handrail body has one end supported by the second bracket. And a joint attached to the other end of the second handrail rod, and the connecting bracket projects forward from the attachment surface side and the front surface is the attachment surface. A pedestal portion that forms a flat front surface that is substantially parallel to the pedestal, and a support portion that protrudes from the lateral wall of the pedestal portion substantially parallel to the mounting surface and supports the other end of the first handrail rod. The pedestal is threaded in a direction orthogonal to the flat front surface. A hole is provided, and an opposed curved surface having a convex arc shape in cross section is provided at a position away from the support portion on the horizontal peripheral wall, and an end portion on the pedestal portion side of the support portion is raised from an end portion of the flat front surface. And a joint projecting from the front end of the second handrail rod with a concave step from the tip of the base to the mounting surface side. A connecting wall that is substantially parallel to the opposing curved surface of the lateral peripheral wall of the pedestal portion and is provided at the tip of the base that forms the recessed step. The rear surface is provided with a flat rear surface substantially parallel to the flat front surface of the pedestal portion, the connection portion is provided with a screw insertion hole at a position corresponding to the screw receiving hole of the pedestal portion, With the flat rear surface in contact with the flat front surface of the pedestal, When the connecting screw that passes through the screw insertion hole is screwed into the screw receiving hole, the first handrail body and the second handrail body are connected to each other, and the cover portion is provided on one side surface of the connecting portion. And a part of the opposed curved surface of the lateral peripheral wall of the pedestal part is covered with the outer wall surface of the base part.

  By configuring in this manner, a handrail for a building in which the first handrail body and the second handrail body rotate relatively around the connection screw is obtained, and the unevenness and the gap between the connection bracket and the joint are reduced. Furthermore, it is possible to prevent a finger from entering between the connecting bracket and the joint and a claw from being caught. In the connection structure of the first handrail body and the second handrail body according to the present invention, the first handrail rod is supported and fixed to the support portion of the connection bracket, and the second handrail rod is pivoted to the base portion of the connection bracket. Since it is worn, there is no concern that the first handrail body will rattle due to use, and rattling of the second handrail body can be suppressed. Furthermore, in the handrail for a building according to the present invention, the first handrail body can be first fixed to the mounting surface, and the second handrail body can be assembled to the first handrail body. It is easy to adjust the installation angle of the handrail.

  Further, the building handrail according to the present invention is such that the inner corner side edge of the covering portion is the above-mentioned in the state where the angle formed by the first handrail body and the second handrail body is substantially perpendicular with the connection screw as a vertex. It is formed so as to be in contact with or close to a portion near the base end portion of the lateral peripheral surface of the connecting portion, and an inner corner side edge of the base wall of the base portion is in contact with or close to the lateral peripheral wall on the inner corner side of the pedestal portion. It is preferable.

  By comprising in this way, when the internal angle of the connection structure of a 1st handrail body and a 2nd handrail body is a substantially right angle state, the unevenness | corrugation and clearance gap between a connection bracket and a coupling in the internal angle side of a connection structure are reduced. be able to.

  Further, in the building handrail according to the present invention, when the second handrail rotates relative to the first handrail, the outer corner side edge of the cover portion moves relatively along the lateral circumferential surface of the connecting portion. In addition, it is preferable that the outer edge of the base wall of the base portion is formed so as to relatively move along the opposing curved surface of the lateral peripheral wall of the pedestal portion.

  By configuring in this way, the second handrail body rotates around the connection screw, and the connection structure is established in any state where the inner angle of the connection structure of the first handrail body and the second handrail body is within a predetermined range. Irregularities and gaps between the connecting bracket and the joint on the outer corner side of the structure can be reduced.

  Moreover, in the handrail for buildings according to the present invention, it is preferable that a concave edge portion continuous from the inner corner side edge portion is formed at the front end portion of the covering portion. Further, in the handrail for a building according to the present invention, the base portion of the joint is formed such that an inner corner side portion of the edge wall is formed in a plane perpendicular to the longitudinal direction of the second handrail rod, and the outer corner side of the edge wall is The part is preferably formed in a concave curved surface corresponding to the opposing curved surface of the lateral peripheral wall of the pedestal portion.

  Further, in the handrail for a building according to the present invention, the connecting portion of the joint has a front end side front surface located on the distal end side from the rotation axis and is formed in a substantially quadrangular shape, and on the base side from the rotation axis. The base-side front surface located is formed in a substantially semi-cylindrical shape continuous to the front-end-side front surface, and a first concave curved surface corresponding to the base-side front surface is formed in a portion on the inner angle side of the cover portion, and the cover A second concave curved surface corresponding to the front surface on the distal end side may be formed at a portion on the outer angle side in the portion.

  According to the present invention, since it is configured as described above, it is possible to reduce the unevenness and gaps around the connecting portion that connects the two handrail bodies so that the angle can be adjusted, and to improve the strength. Installation work becomes easy.

It is the A section enlarged view (b) of the perspective views (a) and (a) which show the state where the handrail for buildings concerning the present invention was installed in the attachment surface of a building. It is a front view which shows the handrail for buildings which concerns on this invention. It is a front view which shows the connection state of the 1st handrail body and 2nd handrail body in this invention. FIG. 4 is a right side view of FIG. 3. FIG. 4 is a bottom view of FIG. 3. FIG. 4 is a view taken in the direction of arrow I in FIG. 3. FIG. 4 is an enlarged cross-sectional view (a) taken along line II-II in FIG. 2 and an enlarged cross-sectional view (b) taken along line IV-IV in FIG. It is an expanded sectional view which follows the III-III line of FIG. It is a perspective view which shows the connection bracket in this invention. It is a front view of the said connection bracket. It is a top view of FIG. 9A. It is sectional drawing which follows the VI-VI line of FIG. 9C. It is sectional drawing which shows the fixed state of the joint part of a connection bracket in this invention, and a 1st handrail rod. It is a perspective view which shows the coupling in this invention. It is a front view of the joint. FIG. 10B is a plan view of FIG. 10A. FIG. 10B is a bottom view of FIG. 10A. FIG. 10C is a cross-sectional view taken along line VIII-VIII in FIG. 10C, a cross-sectional view taken along line IX-IX in FIG. 10A, and a cross-sectional view taken along line XX in FIG. It is the perspective view (a) which shows the state which installed the building handrail in the attachment surface of a building in the state where the interior angle of the 1st handrail body and the 2nd handrail body is an obtuse angle, and the B section enlarged view (b) of (a). . It is a front view which shows the connection state of a 1st handrail body and a 2nd handrail body in the state in which the internal angle of a 1st handrail body and a 2nd handrail body is an obtuse angle. It is a right view of FIG. It is a bottom view of FIG. FIG. 13 is a view taken in the direction of arrow X in FIG. 12.

  Below, the handrail for buildings concerning the embodiment of the present invention is explained in detail with reference to an accompanying drawing. The handrail 1 for buildings includes a first handrail body 10 and a second handrail body 20 that are connected so as to be relatively rotatable, and is attached to the wall surface 2 of the bathroom as an attachment surface of the building. Here, as shown in FIG. 1, the length of the first handrail body 10 is disposed in a substantially horizontal direction with respect to the wall surface 2, and the length of the second handrail body 20 is disposed in a substantially vertical direction with respect to the wall surface 2. The building handrail 1 will be described. The first handrail body 10 and the second handrail body 20 are connected to each other end by a connecting screw 50. Here, the angle formed by the first handrail body 10 and the second handrail body 20 (hereinafter referred to as “inner angle”) with the connecting screw 50 as a vertex is substantially a right angle. The horizontal direction parallel to the wall surface 2 is defined as “X direction”, the front-rear direction perpendicular to the wall surface 2 is defined as “Y direction”, and the vertical direction parallel to the wall surface 2 is defined as “Z direction”. This will be described below.

  As shown in FIG. 2, the first handrail body 10 supports a hollow bar-shaped first handrail bar 15, a first bracket 11 that supports one end of the first handrail bar 15, and the other end of the first handrail bar 15. And a connecting bracket 30 to which the second handrail body 20 is connected. The second handrail body 20 is attached to a hollow bar-shaped second handrail rod 25, a second bracket 21 that supports one end of the second handrail rod 25, and the other end of the second handrail rod 25, and is connected by a connection screw 50. And a joint 40 connected to the bracket 30. The connecting screw 50 functions as a rotation axis when the first handrail body 10 and the second handrail body 20 are relatively rotated.

  As shown in FIG. 7, the first handrail bar 15 is made of a metal pipe member 15a covered with a synthetic resin coating member 15b. However, the present invention is limited to this. A well-known handrail bar can be used instead. A plurality of dimples 15 c are provided on the surface of the covering member 15 b on the wall surface 2 side along the longitudinal direction of the first handrail bar 15.

  As shown in FIG. 7, the first bracket 11 includes a disk-shaped mounting seat 12, an elbow-shaped support portion 13 that protrudes forward (Y direction) from the mounting seat 12 and curves in the X direction. Are integrally formed. In addition, although what was integrally molded with the hard synthetic resin is used for the 1st bracket 11, this invention is not limited to this, What combined several components may be used. Part or all may be formed of metal.

  Through holes 14 are provided in the mounting seat 12 of the first bracket 11 at appropriate intervals in the circumferential direction, and a fixing screw (not shown) that passes through the through holes 14 is screwed into the wall surface 2. The first bracket 11 is fixed to the wall surface 2. A cover 70 made of synthetic resin is attached to the mounting seat 12 of the first bracket 11 so as to cover the front surface and the lateral edge of the mounting seat 12.

  Further, an insertion cylinder shaft 11a is formed on the opening side portion of the elbow-shaped support portion 13 of the first bracket 11 so as to project from the inside to the outside, and the outer peripheral surface of the insertion cylinder shaft 11a. An annular insertion groove 11 b is formed between the inner peripheral surface of the elbow-shaped support portion 13. On the outer peripheral surface of the insertion cylinder shaft 11a, a plurality of ridges 11c extending in parallel to the axis are formed at appropriate intervals. Further, a stepped insertion hole 11 d is opened on the front surface of the elbow-shaped support portion 13. Then, one end of the first handrail rod 15 is inserted into the annular insertion groove 11b, and the first handrail rod 15 is fixed to the insertion tube shaft 11a by the fixing screw 60 through which the stepped insertion hole 11d is inserted. The head 61 of the fixing screw 60 is accommodated in the stepped insertion hole 11d and is hidden from the outside by a cap member 80 inserted into the opening of the stepped insertion hole 11d.

  As shown in FIGS. 9B to 9D, the connecting bracket 30 includes a pedestal portion 32 protruding forward (Y direction) from the wall surface 2, and a horizontal direction substantially parallel to the wall surface 2 from the lateral peripheral wall 32 c of the pedestal portion 32. The support portion 33 projecting in the (X direction) is integrally formed. The base portion of the pedestal portion 32 is a disc-shaped mounting seat 31. The front surface of the pedestal portion 32 is a flat front surface 32a substantially parallel to the wall surface 2, and screw receiving holes 32b are provided in a direction orthogonal to the flat front surface 32a (that is, the Y direction). A cover portion 34 is provided at an end portion of the support portion 33 on the side of the pedestal portion 32 so as to stand up from an end portion of the flat front surface 32a and project to the front side of the flat front surface 32a. In addition, although the connection bracket 30 is integrally formed with the metal (for example, die-casting made from aluminum alloy), you may be integrally formed with the hard synthetic resin.

  As shown in FIG. 9A, an opposing curved surface 32d having a convex arcuate cross section is formed at a position away from the support portion 33 in the lateral peripheral wall 32c of the pedestal portion 32. More specifically, in the lateral peripheral wall 32c of the pedestal portion 32, a portion on the side opposite to the pedestal portion 32 from the virtual plane passing through the screw receiving hole 32b in parallel with the YZ plane is formed in a semi-cylindrical shape (substantially semicircular cross section). Has been. In addition, planar portions parallel to the longitudinal direction of the first handrail rod 15 are formed at positions adjacent to both ends in the circumferential direction of the opposing curved surface 32d in the lateral circumferential wall 32c of the pedestal portion 32, respectively.

  As shown in FIG. 9A and FIG. 9C, the mounting bracket 31 of the connection bracket 30 is provided with a through-round hole 31a and a through-long hole 31b at appropriate intervals in the circumferential direction. The connection bracket 30 is fixed to the wall surface 2 by screwing a fixing screw (not shown) through the through long hole 31 b) to the wall surface 2. Similar to the first bracket 11, a synthetic resin cover 70 is attached to the surface of the mounting seat 31 of the connection bracket 30.

  As shown in FIGS. 9D and 9E, the support portion 33 of the connection bracket 30 has an insertion cylinder shaft 33 a, an annular insertion groove 33 b, a convex shape, like the opening side portion of the elbow support portion 13 of the first bracket 11. A strip 33c and a stepped insertion hole 33d are formed. Then, similarly to the fixing between the first bracket 11 and one end of the first handrail rod 15, the other end of the first handrail rod 15 is inserted into the annular insertion groove 33b and the stepped insertion hole 33d is inserted. The first handrail rod 15 is fixed to the insertion cylinder shaft 33a by the screw 60 (see FIG. 9E).

  As described above, the second handrail body 20 includes the second handrail rod 25 whose one end is supported by the second bracket 21 and the joint 40 attached to the other end of the second handrail rod 25. . Although the same shape as the 1st bracket 11 is used for the 2nd bracket 21 which concerns on this embodiment, the thing of a shape different from the 1st bracket 11 can also be used. Further, the second handrail rod 25 according to the present embodiment has the same member as the first handrail rod and has substantially the same length, but may have a different length from the first handrail rod. Similar to the first bracket 11, a synthetic resin cover 70 is attached to the surface of a mounting seat (not shown) of the second bracket 21.

  As shown in FIGS. 10A to 10E, the joint 40 protrudes with a base 41 fixed to the other end of the second handrail rod 25 and a concave step 47 (see FIG. 10B) from the tip of the base 41 toward the wall surface 2. And a connecting portion 43. As shown in FIG. 10A, an end wall 42 a substantially parallel to the opposing curved surface 32 d of the lateral peripheral wall 32 c of the pedestal portion 32 is provided at the tip of the base portion 41 that forms the concave step 47, and the connecting portion 43 that forms the concave step 47 is provided. A flat rear surface 43a substantially parallel to the flat front surface 32a of the pedestal 32 is provided on the rear surface. In addition, although the joint 40 is integrally formed by the metal (for example, die-casting made from aluminum alloy), you may be integrally formed by the hard synthetic resin.

  As shown in FIGS. 8 and 10A, the base portion 41 of the joint 40 has an insertion cylinder shaft 41a, an annular insertion groove 41b, and a convex line 41c, similar to the opening side portion of the elbow-shaped support portion 13 of the first bracket 11. And the stepped insertion hole 41d is formed. Then, similarly to the fixing of the first bracket 11 and one end of the first handrail rod 15, the other end of the second handrail rod 25 is inserted into the annular insertion groove 41b and the stepped insertion hole 41d is inserted. The second handrail rod 25 is fixed to the insertion cylinder shaft 41a with the screw 60 (see FIG. 8).

  As shown in FIGS. 10A, 10B, and 10D, the base 41 of the joint 40 is formed such that the inner corner side portion of the wall face 42a is formed on a plane 42x orthogonal to the longitudinal direction of the second handrail rod 25, and the outer angle of the wall face 42a. The site | part of the side is formed in the concave curved surface 42y corresponding to the opposing curved surface 32d of the horizontal peripheral wall 32c of the base part 32 (refer FIG. 10A). More specifically, in the absolute wall surface 42a of the joint 40, a portion on the inner angle side with respect to a virtual plane passing through the connecting screw 50 in parallel with the YZ plane is formed on the flat surface 42x, and a portion on the outer angle side is formed on the concave curved surface 42y. ing.

  As shown in FIGS. 10C, 10D, and 10E, the connecting portion 43 is provided with a screw insertion hole 44 at a position corresponding to the screw receiving hole 32b of the base portion 32. The screw insertion hole 44 passes through the connecting portion 43 in a direction orthogonal to the flat rear surface 43a. Further, the screw insertion hole 44 is provided with an enlarged stepped portion 44a having a stepped diameter on the front opening side, and is further expanded in a stepped manner at the front opening end of the enlarged stepped portion 44a. A shallow groove recess 44b is provided (see FIG. 10E).

  As shown in FIG. 8, the connecting screw 50 is inserted into the screw insertion hole 44 with a seat-fitting 52 interposed, and is screwed into the screw receiving hole 32 b of the pedestal portion 32. The connection screw 50 has a head portion 51 that is accommodated in the diameter-expanded step portion 44 a of the screw insertion hole 44. In addition, the cap member 80A is attached to the opening side of the enlarged diameter step portion 44a in a state where the head 51 of the connection screw 50 is accommodated in the enlarged diameter step portion 44a. Thereby, it is possible to prevent the head 51 of the connecting screw 50 that connects the connecting portion 43 of the joint 40 and the connecting bracket 30 from being exposed, and to reduce the unevenness of the outer peripheral surface of the joint 40. The cap member 80A has a cap base 81 that is inserted into the shallow groove recess 44b of the screw insertion hole 44 and a cylindrical leg portion 82 that is inserted into the enlarged diameter step portion 44a. It is integrally formed.

  As shown in FIGS. 10A, 10B, and 10E, the connecting portion 43 of the joint 40 has a front end side front surface 45 that is located on the distal end side from the rotation axis and is formed in a substantially quadrangular shape, and the base 41 side from the rotation axis. Is formed in a substantially semi-cylindrical shape that is continuous with the substantially quadrant-shaped front-side front surface 45. As shown in FIG. 9A, the connecting bracket 30 has a first concave curved surface 341 corresponding to the base-side front surface 46 having a substantially semi-cylindrical shape at the inner corner side in the covering portion 34. A portion on the outer angle side is a second concave curved surface 342 corresponding to the front side 45 having a substantially quadrangular shape. Here, the quadrant means a shape obtained by equally dividing the sphere into quarters, and the substantially quadrant is, for example, as shown in FIG. Including those formed in the quadrants.

  As shown in FIGS. 3 and 5, the second concave curved surface 342 of the cover portion 34 covers a part of the front end side front surface 45 of the connecting portion 43. As shown in FIGS. 3 and 6, the first concave curved surface 341 of the cover portion 34 covers a part of the base side front surface 46 of the connecting portion 43, and the inner corner side edge portion 34 b of the cover portion 34 is The base portion side front surface 46 of the connecting portion 43 is in contact with a portion near the base portion 41. As shown in FIGS. 3, 9A, and 9C, a concave edge portion 34d that is continuous from the inner corner side edge portion 34b is formed at the front end portion of the cover portion 34. A first concave edge portion 34e located on the front end side of the first concave curved surface 341 in the concave edge portion 34d is formed in a substantially linear edge corresponding to the base side front surface 46, and comes into contact with the base side front surface 46. Yes. A second concave edge portion 34f located on the front end side of the second concave curved surface 432 in the concave edge portion 34d is formed in a substantially arc-shaped edge corresponding to the front end side front surface 45, and is in contact with the base side front surface 46. Yes. As shown in FIG. 4, the absolute wall surface 42 a of the base 41 covers a part of the opposing curved surface 32 d of the lateral peripheral wall 32 c of the pedestal portion 32, and the outer corner side edge 42 c on the concave curved surface 42 y side of the absolute wall surface 42 a is formed. Close to the opposing curved surface 32d of the lateral peripheral wall 32c. Further, the flat surface 42x of the absolute wall surface 42a contacts the flat surface portion 32e on the inner corner side of the pedestal portion 32, and the inner corner side edge 42b on the flat surface 42x side of the absolute wall surface 42a is the lateral peripheral wall of the pedestal portion 32 as shown in FIG. Close to 32c. Therefore, the unevenness | corrugation and clearance gap between the connection bracket 30 of the 1st handrail body 10 and the coupling 40 of the 2nd handrail body 20 can be decreased, and also a finger may enter between the connection bracket 30 and the joint 40. It is possible to prevent the nails from being caught.

  As described above, in the connection structure of the first handrail body 10 and the second handrail body 20 in the building handrail 1 of the present embodiment, the first handrail bar 15 is supported and fixed to the support portion 33 of the connection bracket 30. Since the second handrail rod 25 is pivotally attached to the pedestal portion 32 of the connection bracket 30, there is no concern that the first handrail body 10 will rattle due to use, and rattling of the second handrail body 20 can be suppressed.

  Next, the outline | summary of the attachment procedure of the handrail 1 for buildings is demonstrated. First, the first handrail body 10 is attached to the wall surface 2. Here, the 1st bracket 11 and the connection bracket 30 are fixed to the wall surface 2 with a fixing screw so that the 1st handrail rod 15 may become substantially horizontal.

  Next, the second handrail body 20 is assembled to the first handrail body 10. That is, the flat rear surface 43a of the connecting portion 43 of the joint 40 is brought into contact with the flat front surface 32a of the pedestal portion 32 of the connecting bracket 30 at a position where the inner angle between the first handrail body 10 and the second handrail body 20 is equal to or greater than a right angle. At the same time, the second bracket 21 is brought into contact with the wall surface 2. Then, the connecting screw 50 is inserted into the screw insertion hole 44 of the connecting portion 43 with the seating collar 52 interposed therebetween, and the connecting screw 50 is screwed into the screw receiving hole 32b of the pedestal portion 32 in a temporarily tightened state. Thereby, the 2nd handrail body 20 is connected with respect to the 1st handrail body 10 so that rotation of the connection screw 50 to a rotation axis is possible.

  When the connection screw 50 is temporarily tightened, the second handrail body 20 is at a position where the inner angle with the first handrail body 10 is at least approximately 180 ° from the position where the inner angle with the first handrail body 10 is substantially perpendicular (the first handrail body 10 and the second handrail body). 20 can be rotated to a position substantially aligned with 20). In the present embodiment, the second handrail body 20 is moved to a position where the outer corner side edge 42c of the concave curved surface 42y of the wall surface 42a contacts the outer corner side flat portion of the pedestal portion 32 (the first handrail body 10 and the second handrail body). It can be rotated (to a position where the internal angle with the body 20 exceeds 180 ° but does not reach approximately 270 °), but the rotation may be stopped at a position where it is approximately 180 °.

  Next, the second handrail body 20 is fixed to the wall surface 2 so that the inner angle between the first handrail body 10 and the second handrail body 20 is substantially a right angle, that is, at a position where the second handrail rod 25 is substantially vertical. . That is, the connecting screw 50 is tightened into the screw receiving hole 32b to be in a final tightening state, and the second bracket 21 is fixed to the wall surface 2 with a fixing screw. As described above, the building handrail 1 can be attached to the wall surface 2 with the inner angles of the first handrail body 10 and the second handrail body 20 being substantially perpendicular.

  Here, as shown in FIG. 11, the second handrail body 20 is placed on the wall surface so that the inner angle between the first handrail body 10 and the second handrail body 20 becomes an obtuse angle, that is, at the position where the second handrail rod 25 is inclined. The case where it fixes to 2 is demonstrated.

  When the connecting screw 50 described above is temporarily tightened, the second handrail body 20 is rotated to an arbitrary inclined position. At this time, the front side 45 of the substantially quadrangular tip side of the connecting portion 43 moves along the second concave curved surface 342 of the covering portion 34, and the concave curved surface 42 y of the absolute wall surface 42 a of the base portion 41 is the lateral peripheral wall of the pedestal portion 32. It moves along the opposing curved surface 32d of 32c. Further, the outer corner side edge portion 34c of the cover portion 34 and the second concave edge portion 34f of the concave edge portion 34d relatively move along the front end side front surface 45 of the connecting portion 43 (see FIG. 12), and the concave wall surface 42a is recessed. The outer-angle side edge 42c of the curved surface 42y moves along the opposing curved surface 32d of the lateral peripheral wall 32c of the pedestal portion 32 (see FIG. 13). Then, the base-side front surface 46 of the connecting portion 43 is separated from the first concave curved surface 341 of the cover portion 34, and accordingly, the base-side front surface 46 of the connecting portion 43 is the inner angle side edge portion 34 b and the first concave edge portion of the cover portion 34. It separates from 34e (refer FIG. 15). Further, the flat surface 42x of the absolute wall surface 42a of the base portion 41 is separated from the flat surface portion 32e on the inner corner side of the pedestal portion 32. Therefore, as shown in FIG. 15, the inner corner side edge 42b of the flat surface 42x of the absolute wall surface 42a is the pedestal portion 32. It is separated from the horizontal peripheral wall 32c.

  And the 2nd handrail rod 25 is fixed to the wall surface 2 in arbitrary inclination positions. That is, the connecting screw 50 is tightened into the screw receiving hole 32b to be in a final tightening state, and the second bracket 21 is fixed to the wall surface 2 with a fixing screw. As described above, the building handrail 1 can be attached to the wall surface 2 with the interior angles of the first handrail body 10 and the second handrail body 20 being arbitrarily obtuse.

  Thus, in the building handrail 1 according to the present embodiment, the first handrail body 10 can be fixed to the wall surface 2 first, and the second handrail body 20 can be assembled to the first handrail body 10. It is easy to adjust the installation angle of the second handrail body 20.

  In the building handrail 1 according to the present embodiment, the first handrail body 10 is disposed in a substantially vertical direction (Z direction) with respect to the wall surface 2, and the second handrail body 20 is approximately in the horizontal direction with respect to the wall surface 2. You may arrange | position in (X direction). Moreover, the handrail 1 for buildings which concerns on this embodiment is used as installation surfaces, such as a toilet, a front door, a washroom, a dressing room, a stairs, a corridor, etc., and installation objects, such as a door provided in a building, for example. Can be attached.

1 Handrail for building 2 Wall surface (mounting surface)
DESCRIPTION OF SYMBOLS 10 1st handrail body 11 1st bracket 15 1st handrail bar 20 2nd handrail body 21 2nd bracket 25 2nd handrail bar 30 Connection bracket 32 Base part 32a Flat front surface 32b Screw receiving hole 32c Side wall 32d Opposing curved surface 33 Support part 34 Cover portion 341 First concave curved surface 342 Second concave curved surface 34b Inner corner side edge portion 34c Outer corner side edge portion 34d Concave edge portion 34e First concave edge portion 34f Second concave edge portion 40 Joint 41 Base 42a Infinite wall surface 42x Flat surface 42y Concave Curved surface 42b Inner angle side edge 42c Outer angle side edge 43 Connecting portion 43a Flat rear surface 44 Screw insertion hole 45 Front side front surface 46 Base side front surface 47 Concave step 50 Connection screw

Claims (6)

A handrail for a building that includes a first handrail body and a second handrail body that are coupled so as to be relatively rotatable, and that is attached to a mounting surface of a building,
The first handrail body has a first handrail rod whose one end is supported by the first bracket, and a connection bracket that supports the other end of the first handrail rod,
The second handrail body has a second handrail rod, one end of which is supported by the second bracket, and a joint attached to the other end of the second handrail rod,
The connecting bracket protrudes forward from the mounting surface side and has a pedestal portion whose front surface forms a flat front surface substantially parallel to the mounting surface, and protrudes substantially parallel to the mounting surface from a lateral peripheral wall of the pedestal portion. And a support portion that supports the other end of the first handrail bar, and is integrally formed,
The pedestal portion is provided with a screw receiving hole in a direction orthogonal to the flat front surface, and provided with an opposing curved surface having a convex arcuate cross section at a position away from the support portion in the lateral peripheral wall
The end portion on the pedestal portion side of the support portion is provided with a cover portion that stands up from the end portion of the flat front surface and projects to the front side of the flat front surface,
The joint includes a base portion fixed to the other end of the second handrail rod, and a connecting portion protruding from the tip of the base portion to the mounting surface side with a concave step.
At the front end of the base part forming the concave step, a wall surface substantially parallel to the opposed curved surface of the lateral peripheral wall of the pedestal part is provided, and on the rear surface of the connecting part forming the concave step, the pedestal part is flat. A flat rear surface substantially parallel to the front surface is provided,
The connecting portion is provided with a screw insertion hole at a position corresponding to the screw receiving hole of the pedestal portion,
With the flat rear surface of the connecting portion in contact with the flat front surface of the pedestal portion, the connecting screw that passes through the screw insertion hole is screwed into the screw receiving hole, whereby the first handrail and the first handrail 2 handrails are connected,
A handrail for a building, wherein the cover part covers a part of the lateral peripheral surface of the connecting part, and the wall surface of the base part covers a part of the opposed curved surface of the lateral peripheral wall of the pedestal part. In the handrail for buildings according to claim 1,
In the state where the angle formed by the first handrail body and the second handrail body with the connecting screw as a vertex is substantially perpendicular,
The inner corner side edge of the covering portion is in contact with or close to the vicinity of the base end portion of the lateral peripheral surface of the connecting portion, and the inner corner side edge of the absolute wall surface of the base portion is the lateral side on the inner corner side of the pedestal portion. A handrail for buildings, characterized in that it is in contact with or close to a peripheral wall. In the building handrail according to claim 1 or 2,
When the second handrail body rotates relative to the first handrail body, the outer corner side edge portion of the cover portion relatively moves along the lateral circumferential surface of the connecting portion, and the outer angle of the base wall of the base portion. A handrail for a building, wherein the side edge moves relatively along the opposing curved surface of the lateral peripheral wall of the pedestal portion. In the handrail for buildings in any one of Claims 1 thru | or 3,
A handrail for a building, wherein a concave edge continuous from an inner corner side edge is formed at a front end of the cover. In the handrail for buildings according to any one of claims 1 to 4,
The base portion of the joint is formed such that the inner angle side portion of the steep wall surface is a plane perpendicular to the longitudinal direction of the second handrail rod, and the outer corner side portion of the stiff wall surface is opposed to the lateral peripheral wall of the pedestal portion. A handrail for buildings, which is formed in a concave curved surface corresponding to a curved surface. In the handrail for buildings in any one of Claims 1 thru | or 5,
The connecting portion of the joint is formed such that a front end side front surface located on the front end side from the rotation axis is substantially quadrangular, and a base side front surface located on the base side from the rotation axis is the front end side front surface. Formed in a substantially semi-cylindrical shape,
A first concave curved surface corresponding to the front surface on the base side is formed in a portion on the inner corner side in the covering portion, and a second concave curved surface corresponding to the front surface on the tip side is formed in a portion on the outer corner side in the covering portion. A handrail for buildings characterized by that.

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