JP2008002246A - Stair-handrail mounting structure and stair-handrail mounting method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a handrail mounting structure capable of easily engaging a handrail front end section and a handrail support for an adjacent stair even when an interval between the handrail front end section and the handrail support is irregular. <P>SOLUTION: In the stair-handrail mounting structure 30, a handrail 32 is fitted at the upper end section 31a of the handrail support 31, and the handrail front end section 32a and the adjacent handrail support 33 are engaged by an engaging means 36. The sectional shape of the adjacent handrail support 33 is formed in an approximately H shape and groove sections 33b are formed in the vertical direction to both side faces of the adjacent handrail support 33. The sectional shape of the engaging means 36 is formed in a U shape in a plan view and cylindrical pin sections 37 are projected inwards at a pair of one end sections of the engaging means 36, and a work is advanced under a temporarily fixed state in the pin sections 37. The engaging means 36 are fixed finally into the groove sections 33b of the adjacent handrail support 33 by fixtures 37b such as a screw inserting the pin sections 37 and brought to the state of a pin fixing. The other end sections 36b are fixed to the handrail 32 by the fixtures 36d such as the screw. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a stair railing mounting structure and a stair rail mounting method for an open staircase, and more specifically, a stair rail that can be easily engaged even if there is a gap in the gap between the handrail tip and an adjacent stair railing column. It relates to the technology of the mounting structure.

  Conventionally, the structure of the engaging means as an open staircase handrail attachment structure is disclosed in Patent Document 1.

  As shown in FIG. 8, the stair handrail is a round handrail pipe C having an inclination angle of 45 °, and the arcuate spherical connection convex surface 8a of the handrail mounting bracket B is directed to the arcuate spherical connection concave surfaces 2 and 2 of the joint metal fitting A, respectively. While sliding, each angle matches the staircase angle.

  Then, the cross-shaped cut-through hole 4 penetrating from the inside of the dome head portion 8 of the handrail mounting bracket B to the central region of the arcuate spherical connecting convex surface 8a of the handrail mounting bracket B with the connecting bolt 12 and the arc spherical surface of the joint bracket A. It fixes using the connection female screw hole 1 penetrated by the center of the shape connection concave surface 2. As shown in FIG. Thereby, the two handrail mounting brackets B are fixed by the joint bracket A.

  Next, the end of the circular handrail pipe C of each staircase is inserted into the handrail mounting bracket B so that the groove 13 recessed in the lower side and the bolt coupling piece 6 of the handrail mounting bracket B are inserted. It fits on the connecting cylindrical neck 5.

Thereafter, the handrail fixing bolt 9 is overlapped on the handrail fixing bolt hole 7 penetrating the bolt coupling piece 6 of the handrail mounting bracket B, the fixing washer metal 11 of the round handrail pipe C, and the handrail fixing nut 10 to complete the fixing. To do. This stair railing mounting structure can accommodate a wide range of stair angles.
Japanese Utility Model Publication No. 5-35940

  However, in the above-described conventional example, a wide range of staircase angles can be handled when the pair of round handrail pipes C are close to each other, but the engagement is difficult when the pair of round handrail pipes C are separated due to variation. There was a problem.

  Accordingly, the present invention has been made in view of the problems of the prior art, and a stair railing mounting structure and a stair railing that can be easily engaged even if there is a variation in the distance between the handrail tip and the adjacent stair rail support column. An object is to provide an attachment method.

  The invention according to claim 1 is a horizontal or oblique staircase handrail tip portion in which a plurality of handrail struts are erected and a handrail is attached to a handrail holding portion of each handrail strut, and an upper floor or upper floor adjacent to the handrail tip portion. A staircase handrail mounting structure in which an adjacent handrail strut of the stairway is engaged via an engaging means, and one end portion of the engaging means is slidably engaged with a receiving portion provided on the adjacent handrail strut The receiving portion is a groove portion formed in a vertical direction on a side surface of the adjacent handrail support column.

  A second aspect of the present invention is the staircase handrail mounting structure according to the first aspect, wherein the engaging means is U-shaped in plan view, and the other end is fixed or pin-fixed to the handrail tip. The pin portion is characterized by being erected inside the pair of U-shaped side surfaces.

  A third aspect of the present invention is the staircase handrail mounting structure according to the first aspect, wherein the engaging means is a pair or one piece of strip-shaped plate, and the other end portion is interposed through a cap that covers the handrail front end portion on the handrail front end portion. It is characterized by being fixed or pin-fixed, and the pin portion of the one end portion is erected or assigned to the inside of a pair or one side surface of the strip-shaped plate.

  Invention of Claim 4 is a stair railing attachment structure of any one of Claim 1 thru | or 3, Comprising: The opening part which can insert the said pin part in the upper direction edge part of the said groove part is provided. It is characterized by that.

  A fifth aspect of the present invention is the staircase handrail mounting structure according to any one of the first to fourth aspects, wherein one end portion of the engaging means penetrates the pin portion to the adjacent handrail support column. It is characterized by being fixed with a fixing tool.

  In the invention of claim 6, a handrail post is erected on a step board of a staircase and a handrail is attached to a handrail holding portion of each handrail post, and a handrail tip of a horizontal or oblique staircase and an upper floor or an upper side adjacent to the handrail tip. A staircase handrail mounting method in which an adjacent handrail post of a staircase to a floor is fixed through an engagement means, and one end portion of the engagement means is slidably engaged with a receiving portion provided in the adjacent handrail post A pin portion that is formed in a vertical direction on a side surface of the adjacent handrail support column, and after the handrail support column is erected, the handrail is moved along a handrail holding portion of each handrail support column. Accordingly, with the other end portion of the engaging means fixed or pin-fixed to the handrail tip portion, the pin portion at one end portion is inserted into the groove portion to temporarily fix between the handrail tip portion and the adjacent handrail support column. After fixing the handrail to each handrail post, the pin portion Through the fastener by fixing the end portion of the engaging means on said adjacent handrail posts, and the handrail tip and the adjacent handrail post is characterized in that it is permanently fixed.

  According to the first aspect of the present invention, since the one end portion of the engaging means includes the pin portion slidably engaged with the receiving portion provided on the adjacent handrail support column, the handrail passes through the handrail tip portion. The pin portion can be freely rotated, and the engagement angle can be easily adjusted. Furthermore, since the receiving portion is a groove portion formed in the vertical direction on the side surface of the adjacent handrail support column, the handrail can be easily adjusted in the vertical direction by the groove portion.

  For this reason, the handrail can be easily positioned and attached by adjusting the position of the one end portion of the engaging means even if the distance or height between the handrail tip and the adjacent handrail post varies.

According to a second aspect of the present invention, the engaging means is U-shaped in plan view, and the other end is fixed or pin-fixed to the handrail tip, and the pin at the one end is a pair of U-shaped. Since the pin portion is erected on the inner side of the side surface, the pin portion can be slidably and reliably connected to the groove portion from both side surfaces of the adjacent handrail support column, and the same effect as the effect of claim 1 can be obtained. According to the third aspect of the present invention, the pin portion at the one end of the engaging means is erected or addressed inside the pair or one side surface of the belt-like plate, so that the erected pin portion is the adjacent handrail. Since it can be slidably and stably connected to the groove on the side surface of the column, the same effect as that of the first aspect can be obtained.

  In addition, even when the pin portion is addressed, the handrail can be stably held along the handrail holding portion of each handrail support column erected, so that the pin portion that is held by inserting a fixing tool such as a screw is It can be slidably connected to the groove portion of the adjacent handrail support column, and the same effect as the effect of claim 1 can be obtained.

According to invention of Claim 4, since the opening part which can insert the said pin part in the upper direction edge part of the said groove part is provided, the said pin part is the said groove part of the side surface of the said adjacent handrail support | pillar from the said opening part. It can be introduced reliably and easily, and the same effect as the effect of claim 1 can be obtained. The invention of claim 5 is the stair railing mounting structure according to any one of claims 1 to 4. In addition, since the one end portion of the engaging means is fixed by a fixing tool that penetrates the pin portion and reaches the adjacent handrail post, the pin portion can be securely fixed to the adjacent handrail post after positioning.

  According to a sixth aspect of the present invention, after each handrail support column is erected, the handrail is placed along the handrail holding portion of each handrail support column, and the other end of the engaging means is fixed to the handrail front end portion or pin-fixed. In this state, by inserting the pin portion at one end into the groove portion, it is possible to temporarily fix between the handrail tip and the adjacent handrail strut, so that the operation of fixing the handrail to each handrail strut can be performed in a stable state. Therefore, workability is improved, labor saving and work safety can be improved.

<Embodiment of the present invention>
Below, the 1st Embodiment of this invention is described based on FIGS. 1-3.

<Configuration of stair railing mounting structure>
As shown in FIGS. 1, 2 (a), (b), and (c), the stair rail attachment structure 30 in the embodiment of the present invention has a plurality of hand rail columns 31 on a step board or a floor of a lower floor not shown. The handrail 32 is attached to the handrail holding portion 29 of the upper end portion 31a of each handrail support column 31, and the handrail tip 32a and the uppermost floor adjacent to the handrail tip 32a or the first hand of the stairs to the upper floor The adjacent handrail strut 33 located in front is engaged through the engaging means 36. The handrail holding portion 29 and the handrail 32 are fixed by a fixing tool 31c such as a screw.

  The cross-sectional shape of the handrail 32 is a substantially rectangular shape having a width T1 and a height S1, and a groove portion 32b having a depth S2 is provided on the lower side. The upper end portion 31a of the handrail post 31 is provided with a rotation support portion 31b for automatically adjusting the handrail 32 in a horizontal or oblique state in accordance with the gradient of the stairs.

  The engaging means 36 is U-shaped in plan view, and a cylindrical pin portion 37 is erected inward from a pair of side surfaces 36e of the one end portion 36a. The engaging means 36 is an aluminum die casting or a resin molded product.

  The cross-sectional shape of the adjacent handrail support column 33 is substantially H-shaped, and a groove portion 33b as a receiving portion 33a is formed on both side surfaces 35 in the vertical direction, and a pin portion 37 is slidably engaged with the groove portion 33b. Here, since the opening 33d is provided at the upper end 33c of the groove 33b, the pin portion 37 can be easily inserted from above.

  A short plate 36c having a thickness Q1 protrudes from the other end portion 36b of the engaging means 36, and a reinforcing member 38 having a semicircular cross section is provided between the both side surfaces 36e of the thickness Q1 with a thickness Q1.

  The other end 36b of the engaging means 36 is fixed to the groove 32b of the handrail 32 of the handrail tip 32a through the short plate 36c by a fixing tool 36d such as a screw.

  The engaging means 36 has a length L1 from the handrail tip 32a to the pin portion 37 = approximately 100 mm, and is bent downward at an angle θ = 45 degrees from the handrail 32 in the horizontal state.

  As shown in FIG. 3, the attachment angle between the handrail 32 and the adjacent handrail support 33 can be arbitrarily selected from α1 = 40 degrees to α2 = 60 degrees. For this reason, when the horizontal state (α = 90 degrees) shown in FIG. 1 is added, the attachment angle can be arbitrarily used in the range of 40 degrees to 90 degrees, and the normal attachment area can be sufficiently covered.

  The pin portion 37 is worked in a temporarily fixed state, and is finally fixed to the groove portion 33b by a fixing tool 37b such as a screw inserted through the pin portion 37 to be in a pin fixing portion state.

<Operation of stair railing mounting structure>
As described above, since the groove portion 32b having the depth S2 is provided on the lower side of the handrail 32, the handrail 32 is held without being shifted left and right when the groove portion 32b straddles the handrail holding portion 29 of each handrail support column 31. For this reason, the handrail tip 32a can be stably temporarily fixed to the adjacent handrail strut 33 via the engaging means 36, so that the work of fixing the handrail 32 to each handrail strut 31 can be carried out in a stable state.

  Moreover, the pin part 37 of the engaging means 36 is slidable by the groove part 33b. For this reason, since the engagement position and the engagement angle can be freely adjusted by the engagement means 36, positioning can be saved even if there is a variation in the distance or height between the handrail tip 32a and the adjacent handrail support column 33. Easy to implement.

  Since the gradient of the handrail 32 can be selected in a wide range, it can cope with various on-site situations and has excellent versatility. Since the engaging means 36 is bent downward at an angle θ = 45 degrees from the handrail 32, it is possible to maintain an unreasonable continuity between the handrail 32 and the adjacent handrail column 33 against various gradients of the handrail 32. .

  Since the handrail 32 and the adjacent handrail support 33 are engaged with each other, the strength of the handrail 32 and the adjacent handrail support 33 is enhanced mutually, so that safety is improved and safety of preventing fall is also improved.

<Second Embodiment of the Present Invention>
The second embodiment of the present invention will be described with reference to FIGS. 4 to 6, but the same configuration as the configuration of the stair railing mounting structure 30 shown in FIGS. Description is omitted.

  As shown in FIGS. 4, 5, 6 (a) and 6 (b), the staircase handrail mounting structure 30 a includes engagement means 39 that connects between the handrail tip 32 a and one side surface 35 of the adjacent handrail support 33. The engaging means 39 is a piece of strip-like plate 40, and the other end portion 40b is pin-fixed to the handrail tip end portion 32a via a cap 41 that covers the handrail tip end portion 32a, and the pin portion 37 of the one end portion 40a is inside the side surface of the strip-like plate. Established.

  Here, after each handrail support column 31 is erected, the pin portion 37 can be temporarily fixed to the groove portion 33 b of the adjacent handrail support column 33 in a stable state in which the handrail 32 is placed along the handrail holding portion 29 of each handrail support column 31. . The belt-like plate 40 has a thickness Q and both ends thereof are formed in a semicircular shape, and the length L2 from the pin portion 37 to the other end portion 40b is approximately 50 mm.

  The cap 41 has a substantially rectangular recess shape, and a short plate 41 a protrudes from the cap 41. The short plate 41 a is fixed to the groove portion 32 b of the handrail 32 through the fixing tool 44. A mounting piece 41c is provided below the cap 41 substantially parallel to the one side surface 41b, and the other end portion 40b of the belt-like plate 40 is fixed to the mounting piece 41c by a bolt / nut fixing tool 42.

  According to the second embodiment of the present invention, in addition to the same effects as those of the first embodiment of the present invention, when an acrylic plate or the like is attached to the upper handrail support column including the adjacent handrail support column 33, the engagement is performed. Interference with mounting hardware such as an acrylic plate can be avoided by simply selecting either left or right means 39, so that flexible construction on site can be ensured and construction efficiency is improved.

<Third Embodiment of the Present Invention>
Although the third embodiment of the present invention will be described with reference to FIG. 7, the configurations of the handrail 32 and the adjacent handrail support 33 of the staircase handrail mounting structure 30a shown in FIGS. Omitted.

  As shown in FIG. 7, the engagement means 65 is a piece of “He” -shaped belt-like plate 61, and the belt-like plate 61 is fixed to the handrail 32 via a cap 60 that covers the handrail tip 32 a. The cap 60 protrudes from the extension of the handrail 32.

  A pin portion 64 as a bushing material is applied to the inner side surface of the one end portion 61a of the belt-like plate 61. Here, since the handrail 32 is made to follow the handrail holding portion 29 of each handrail support 31 after the handrail support 31 is erected, the handrail 32 can be held in a stable state. For this reason, the fixing tool 62 such as a screw can be inserted into the one end portion 61a and the pin portion 64 and slidably engaged with a groove portion of an adjacent handrail post (not shown). Then, after the position adjustment is completed, the fixing tool 62 is further screwed to fix the one end 61a to the adjacent handrail support column.

  The pin portion 64 is also addressed to the inner surface of the other end portion 61b of the belt-like plate 61, the bush portion 64 is inserted into the hole 60c of the cap 60, and the screw 60b is inserted through the other end portion 61b and the pin portion 64 to form a belt shape. The plate 61 is pinned to the cap 60.

  By covering the unused hole 60c on the opposite side with the decorative cover 63, the appearance can be improved and the quality can be improved. Moreover, since the strip | belt-shaped board 61 is a "h" shape, since it is excellent in external appearance compared with linear form, quality is improved.

  According to the third embodiment of the present invention, the same effect as in the second embodiment of the present invention can be obtained.

  As mentioned above, although embodiment of this invention was described based on drawing, all said Example shows an example of this invention, and it cannot be overemphasized that this invention should not be limited to these.

  For example, in the second embodiment, the attachment pieces 41 c can be attached to both side surfaces, and the belt-like plates 40 can be provided on both side surfaces of the adjacent handrail column 33. Similarly, in the third embodiment, the belt-like plate 61 can be used on both sides.

  A shallow V-shaped positioning lower groove may be provided in the vertical direction of the bottom surface of the groove portion of the adjacent handrail support column in order to reliably and easily attach the fixture.

It is a side view which shows the handrail attachment structure 30 with which the handrail 32 and the adjacent handrail support | pillar 33 are engaged via the engagement means 36 in the 1st Embodiment of this invention. In the first embodiment of the present invention, (a) is a partial cross-sectional view taken along line AA in FIG. 1, (b) is a cross-sectional view taken along line BB in FIG. 1, and (c) is CC in FIG. It is sectional drawing. It is a side view which shows the attachment angle range of the handrail 32 and the adjacent handrail support | pillar 33 in the 1st Embodiment of this invention. It is a side view which shows the handrail attachment structure 30a in which the handrail 32 and the adjacent handrail support | pillar 33 are engaged via the engagement means 39 in the 2nd Embodiment of this invention. FIG. 6 is a partial cross-sectional view taken along line DD of FIG. 4 in the second embodiment of the present invention. In the 2nd Embodiment of this invention, (a) is EE sectional drawing of FIG. 4, (b) is FF sectional drawing of FIG. It is an assembly exploded perspective view of the strip | belt-shaped board 61 and the cap 60 of the stair railing attachment structure 30a in the 3rd Embodiment of this invention. It is a perspective view which shows the attachment state of the fixing means of the handrail support | pillar in a prior art example.

Explanation of symbols

30 Stair railing attachment structure 31 Handrail support 31a Upper end 32 Handrail 32a Handrail tip 33 Adjacent handrail support 33b Groove 35 Side surface 36 Engaging means 36a One end 36b The other end 36d Fixing tool 37 Pin part 37b Fixing tool

Claims (6)

A handrail tip of a horizontal or oblique staircase, in which a plurality of handrail posts are erected and attached to a handrail holding portion of each handrail post, and an adjacent handrail post of the stairs to the upper floor or the upper floor adjacent to the handrail tip And a stair railing mounting structure that is engaged through the engaging means,
One end portion of the engaging means includes a pin portion slidably engaged with a receiving portion provided on the adjacent handrail column, and the receiving portion is a groove portion formed in a vertical direction on a side surface of the adjacent handrail column. Stair railing mounting structure.   2. The staircase handrail mounting structure according to claim 1, wherein the engaging means is U-shaped in a plan view and the other end is fixed or pin-fixed to the handrail tip, and the pin portion of the one end is the U-shape. A stair railing mounting structure characterized in that it is erected inside a pair of side surfaces.   The staircase handrail mounting structure according to claim 1, wherein the engaging means is a pair or one piece of strip-like plate, and the other end is fixed or pin-fixed to the handrail tip through a cap that covers the handrail tip. A stair railing mounting structure characterized in that the pin portion of the one end portion is erected or addressed inside the pair or one side surface of the belt-like plate.   The stair railing attachment structure according to any one of claims 1 to 3, further comprising an opening that allows the pin portion to be inserted into an upper end portion of the groove portion. Mounting structure.   5. The stair railing mounting structure according to claim 1, wherein one end portion of the engaging means is fixed by a fixing tool that penetrates a pin portion and reaches the adjacent handrail column. Stair railing mounting structure characterized by that. The handrail tip of a horizontal or slanted staircase, in which handrail posts are erected on the stair tread and the handrail is attached to the handrail holding part of each handrail post, and the adjacent handrail of the stairs to the upper floor or the upper floor adjacent to the handrail tip A stair railing mounting method in which a support is fixed via an engaging means,
One end portion of the engaging means includes a pin portion slidably engaged with a receiving portion provided on the adjacent handrail strut, and the receiving portion is a groove portion formed in a vertical direction on a side surface of the adjacent handrail strut,
After each handrail post is erected, the handrail is placed along the handrail holding portion of each handrail post, and the other end of the engagement means is fixed or pin-fixed to the handrail tip. Temporarily fastening between the handrail tip and the adjacent handrail strut by inserting the pin part into the groove part,
After fixing the handrail to each handrail post, the end of the handrail and the adjacent handrail post are fixed to the adjacent handrail post by penetrating a fixing tool through the pin portion. And a stair railing mounting method, wherein:

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