JP4266847B2 - Handrail support structure - Google Patents

Description

  The present invention relates to a water return weir wall projecting from a peripheral edge of a building roof or an outer edge of a veranda, and a handrail installed on a weir wall projecting from a staircase in a building room, and in particular, a handrail column. This relates to the mounting structure.

As a conventional handrail support mounting structure, there is one described in Patent Document 1, for example. In the mounting structure, a column anchor composed of an anchor main body and an anchor reinforcing bar fixed to the lower side of the anchor body is formed in the unit in advance, and the lower side anchor reinforcing bar of the column anchor is drilled at the column mounting position of the weir wall. The bolt is embedded in a recessed hole for embedding bolts through a curable filler, and the column anchors are fixedly mounted on the dam wall in an upright state by curing the curable filler.
JP 11-270092 A

  In the conventional handrail strut mounting structure described in Patent Document 1, as a strut anchor, for example, an anchor main body made of a flat metal tubular body and a pair of reinforcing bars that are fixed to the lower portion of the main body by welding and project downward. It is necessary to form a unit with the unit, and the lower side anchor reinforcing bar of the unit-formed support anchor is inserted into the bolt embedding concave hole of the weir wall via a curable filler, and fixed. After installation, it is necessary to screw the handrail strut inserted into this support anchor to the support anchor, so it took a lot of work to manufacture and attach the support anchor, and there was a problem that the construction cost was high .

  In view of the above problems, an object of the present invention is to provide a handrail post mounting structure that is extremely simple to mount and can significantly reduce the construction cost.

Means for solving the above-described problems will be described with reference numerals of the embodiments described later. The attachment structure of the handrail column 5 of the invention according to claim 1 includes one or a plurality of bolt screw-in cylinders 13 inside. Is fixed to the bolt screw-in cylinder 13 of the handrail strut 5 made of an aluminum extrusion mold integrally formed in the axial direction by screwing one end side of the anchor bolt 4 and projecting the other end side from the lower end of the handrail strut 5; The protruding end portion side of the anchor bolt 4 is inserted into a bolt embedding concave hole 2 drilled at a post mounting position of the dam wall 1 via a curable filler 3, and the anchor is fixed by hardening of the curable filler 3. In the mounting structure of the handrail strut in which the bolt 4 is mounted and fixed on the dam wall 1 in an upright state , the foot makeup cover 11 is attached to the foot portion of the handrail strut 5 standing upright from the upper surface 1a of the dam wall. The bar 11 is formed in a shape that complements the cover main body 15 formed by cutting out a part of the peripheral wall 15a and having a substantially C-shaped horizontal section, and the notch opening 16 of the C-shaped cover main body 15. The cover body 15 includes a mounting piece 17 that is removably hooked on the opening 16, and the cover body 15 is expanded in a state where the notch opening 16 of the cover body 15 formed in a substantially C-shaped horizontal cross section is pushed and expanded. It is fitted into the foot portion of the handrail support column 5 standing on the dam wall 1, and the attachment piece 17 is fitted to the notch opening 16 of the cover body 15, and the attachment piece 17 is attached to the handrail support column 5 with the screw 18. Thus, the upper end opening 11a of the foot decorative cover 11 is attached so as to be elastically closely fitted to the handrail support column 5 .

  The effect of the invention by the above-described solution means will be described with reference numerals of embodiments described later. According to the invention according to claim 1, when the handrail column 5 is attached, the bolt screw-in cylinder 13 of the handrail column 5 is anchored. One end side of the bolt 4 is screwed and the other end side is protruded from the lower end of the handrail support column 5, and the protruding end portion side of the anchor bolt 4 is set in the concave hole 2 for burying the bolt in the dam wall 1. 3 and the anchor bolt 4 is mounted and fixed on the dam wall 1 in an upright state by hardening of the filler 3, and it is not necessary to specially produce a column anchor as in the prior art. Since there is no need to fix the handrail post to the anchor after insertion of the anchor into the bolt embedding concave hole, installation of the handrail post 5 is very simple and easy compared to the conventional mounting structure. It can be achieved a significant reduction of the cost.

Further, according to the present invention, the cover main body 15 is erected on the dam wall 1 in a state where the notch opening 16 of the cover main body 15 formed in a substantially C-shaped horizontal section is pushed and expanded. Since the fitting piece 17 is fitted into the notch opening portion 16 of the cover body 15 and the attachment piece 17 is attached to the handrail strut 5 with the screw 18 , the foot decorative cover 11 is attached to the foot portion of the support column 5. It can be easily and easily attached to the handrail column 5 erected on the wall 1, and can be easily and easily replaced when the cover 11 is damaged and needs to be replaced.

Furthermore, according to the present invention, the cover main body 15 is erected on the dam wall 1 in a state where the notch opening 16 of the cover main body 15 formed in a substantially C-shaped horizontal section is pushed and expanded. The upper end opening 11 a of the foot cover 11 is fitted into the foot portion of the column 5, the mounting piece 17 is fitted to the notch opening 16 of the cover body 15, and the mounting piece 17 is attached to the handrail column 5 with the screw 18. Is attached to the handrail support column 5 so as to be elastically closely fitted outside, so that rainwater or the like intrudes between the handrail support column 5 and the upper end portion of the foot decorative cover 11 which is elastically closely fitted to the handrail support column 5. Can be prevented as much as possible.

  A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a handrail 7 installed on a concrete weir wall 1 such as a rooftop or a veranda, and this handrail 7 is placed on the weir wall 1. Between the handrail struts 5 and 5 of the handrail struts 5 and 5 of the square tube-shaped handrail struts 5 made of aluminum extruding molds erected at required intervals, the handrail heads 8 of the aluminum extrusion mold members connected to the upper ends of these handrail struts 5, It is comprised from the horizontal rail 9 attached between the lower parts, and the handrail 10 as a pillar between the handrail support | pillars 5 and 5 and attached between the handrail headstock 8 and the horizontal rail 9. As shown in FIG.

  As shown in FIG. 2 (a), a handrail support column 5 is erected on an upper surface 1a of the dam wall via an anchor bolt 4, and a foot decorative cover 11 made of synthetic resin is provided at the foot portion of the handrail support column 5. It is attached by screws 12. As shown in FIGS. 2 and 3, the foot cover 11 has an upper end opening portion 11a closely fitted to the handrail support column 5, and a lower end opening portion 11b having a wider opening than the upper end opening portion 11a and closer to the dam wall upper surface 1a. It is formed in a trapezoidal cylindrical shape.

  As shown in FIGS. 2 and 3, the handrail support column 5 is a hollow rectangular tube made of an aluminum extrusion mold material, and a pair of bolt screw-in tubes 13, 13 are provided in the axial direction on the inner peripheral side at both side symmetrical positions. The screw pockets 14 are similarly integrally formed in the vicinity of the four corners on the inner peripheral side. Each bolt screw cylinder 13 is for screwing the anchor bolt 4 and has an inner diameter slightly smaller than the diameter of the anchor bolt 4 as can be seen from FIG. Although not shown, the screw pocket 14 is screwed when the handrail head 8 is fixed to the upper end of the handrail support 5 with screws. The anchor bolt 4 is a screw rod having a screw cut on the outer peripheral surface of the steel rod, and is commercially available at a low cost.

  Next, the procedure for attaching the handrail struts 5 erected on the dam wall 1 as described above will be described. First, one end of the anchor bolt 4 is connected to the bolt screw-in cylinder 13 of each handrail strut 5 from its lower end. The other end side is protruded from the lower end of the handrail column 5 by screwing and fixing the required length, for example, about 1/3 of the total length of the anchor bolt 4. At this time, the protruding length of the anchor bolt 4 protruding from the lower end of the handrail support column 5 is, for example, 2/3 of the total length.

  On the other hand, as shown in FIG. 3 (a), a pair of bolt embedding concave holes 2 and 2 are drilled at a column mounting position on a concrete weir wall 1 by a drilling tool (not shown). The concave holes 2 and 2 are filled with a liquid quick-drying curable filler 3. The injection amount of the filler 3 is set such that the filler 3 does not overflow from the concave hole 2 when the anchor bolt 4 is inserted into the concave hole 2.

  The quick-drying curable filler 3 may be a material that is liquid at the time of use and forms a hard layer by curing. For example, various dry-curing and reaction-curing adhesives, sealing materials, hard synthetic resin foams, Various types of materials such as non-foamed hard synthetic resin and cement mortar can be used. Particularly, quick-drying dry-curing type or reaction-curing type adhesives such as Hilti (trade name, manufactured by Hilti Japan) A dry-curing filler is preferred, and according to this filler, the filler 3 is injected into the concave hole 2 and immediately after that, the anchor bolt 4 is inserted to cure in about 3 hours. It can be embedded without being shaken at a fixed position, and the subsequent work can be performed quickly and accurately.

  If the pair of anchor bolts 4, 4 protruding from the lower end of the handrail column 5 are inserted into the bolt embedding concave holes 2, 2 filled with the quick-drying curable filler 3 as described above, both anchor bolts 4, 4 are inserted. Is fixed and fixed in an upright state on the dam wall 1 by hardening the filler 3 after several hours.

  After the handrail support column 5 is thus erected on the dam wall 1, as shown in FIG. 1, the handrail headstock 8, the cross rail 9, the handrail 10 and the foot cover 11 are attached.

  The structure of the foot decorative cover 11 and its installation procedure will be described below.

  As can be seen from FIGS. 3 (a) and 3 (b) and FIG. 4 (a), the foot decorative cover 11 has a substantially C-shaped horizontal section with a part of the peripheral wall 15a formed in a trapezoidal cylindrical shape cut out. A cover main body 15 formed in a shape, and a mounting piece 17 that is formed in a shape that complements the notch opening 16 of the C-shaped cover main body 15 and is detachably fitted to the notch opening 16. Thus, the cover body 15 and the mounting piece 17 are individually integrally formed of synthetic resin, and the mounting piece 17 is provided with a screw hole 19 for fixing the screw 18 to the handrail support column 5. Further, a screw hole 24 is provided at a position corresponding to the screw hole 19 of the mounting piece 17 at a lower end required portion of the handrail support column 5.

  The left and right end surfaces of the notch opening 16 of the cover body 15 are respectively provided with hooking recesses 20 having an outward U-shaped cross section extending in the vertical direction, and both left and right ends of the mounting piece 17 attached to the notch opening 16. In this portion, hooking convex portions 21 and 21 that hook into the hooking concave portions 20 and 20 on the side of the notch opening 16 are extended in the vertical direction. The upper and lower end portions of the mounting piece 17 are provided with projecting pieces 22 and 23 for engaging with the upper and lower end surfaces of the cover main body 15 when the cover main body 15 is attached to the notch opening 16 respectively. Has been.

  In order to attach the foot decorative cover 11 having the above structure to the foot of the handrail column 5, the notch opening 16 of the cover body 15 formed in a substantially C-shaped horizontal section is indicated by H in FIG. The cover main body 15 is fitted in the foot portion of the handrail strut 5 erected on the dam wall 1 in a state where the cover main body 15 is expanded in the direction of the arrow shown, and the attachment piece 17 is attached to the notch opening 16 of the cover main body 15. Install by hooking. At this time, the engaging projections 21 and 21 at the left and right ends of the mounting piece 17 are engaged with the engaging recesses 20 and 20 on the notch opening 16 side, and the projecting pieces 22 and 23 at the upper and lower ends are notched openings. 16 enters the upper and lower end portions of the cover body 15 and engages with the upper and lower end surfaces of the cover body 15 in a flush manner. By screwing the screw 18 into the screw hole 24 of the handrail support column 5 from the screw hole 19 of the mounting piece 17 attached to the notch opening 16 in this way, the foot decorative cover 11 is as shown in FIGS. 3 (a) and 3 (b). In addition, the upper end opening portion 11a is closely fitted to the handrail support column 5 and the lower end opening portion 11b is attached to the dam wall upper surface 1a so as to cover the foot portion of the handrail support column 5.

  Thus, the foot decorative cover 11 is formed in a shape that complements the cover main body 15 formed by cutting a part of the peripheral wall 15a and having a substantially C-shaped horizontal section, and the notch opening 16 of the cover main body 15. The mounting piece 17 is detachably fitted to the notch opening 16 so that the mounting piece 17 is secured to the handrail support 5 with screws 18, so that it is erected on the dam wall 1. It can be easily attached to the handrail support column 5 and can be easily and easily replaced when the cover 11 is damaged and needs to be replaced.

  FIG. 2 and FIG. 3 show an embodiment in the case of attaching a handrail support column 5 made of an aluminum extrusion mold material in which two bolt screw-in cylinders 13 and 13 are formed. FIG. 5 and FIG. These show the embodiment in the case of attaching the handrail support column 5 which consists of an aluminum extrusion mold material in which one bolt screw cylinder 13 was formed inside. That is, the handrail support column 5 shown in FIGS. 5 and 6 is a hollow rectangular tube shape made of an aluminum extrusion mold material, and the bolt screw-in tube 13 is axially disposed at one central portion through the support wall portions 25, 25. The screw pockets 14 are integrally formed at the four corners on the inner peripheral side.

  5 and 6, one bolt screw-in tube 13 is formed inside the handrail column 5 as described above, and is fixed to the bolt screw-in tube 13 by screwing. The only difference is that the anchor bolts 4 are attached, and all other points are the same as the attachment structure of the handrail support 5 shown in FIGS. 5 and 6. Detailed explanation of construction procedures and other details will be omitted. Note that three or more bolted cylinders 13 may be formed inside the handrail column 5 and the anchor bolts 4 may be screwed into them.

  As described above, according to the mounting structure of the handrail support column 5 according to the present invention, when the handrail support column 5 is mounted, the handrail support column 5 made of an aluminum extrusion mold material in which the bolt screw-in cylinder 13 is integrally formed in the axial direction. One end of the anchor bolt 4 is screwed into the bolted cylinder 13, and the other end is protruded from the lower end of the handrail support column 5. The protruding end of the anchor bolt 4 is a recessed hole for embedding bolts in the dam wall 1. 2 is inserted through a curable filler, and the anchor bolt 4 is fixed and fixed upright on the dam wall 1 by hardening of the filler. In addition, there is no need to fix the handrail post to the anchor after inserting the anchor into the recessed hole for burying bolts. It becomes simple and easy, it is possible to greatly reduce the construction costs.

It is an external appearance front view of the handrail in one embodiment of the present invention. (a) is a longitudinal side view of the handrail support, and (b) is a cross-sectional view of the handrail support. (a) is a cross-sectional plan view of the handrail support column, and (b) is a sectional view taken along line XX of (a). (a) is a partially cutaway exploded perspective view of a step decorative cover, (b) is an enlarged cross-sectional view showing the attachment state of the cover, and (c) is an enlarged cross-sectional view taken along line ZZ of (a). (a) is a longitudinal side view of a handrail column according to another embodiment of the present invention, and (b) is a cross-sectional view of the handrail column. (a) is a cross-sectional plan view of the handrail support shown in FIG. 5, and (b) is a cross-sectional view taken along line YY of (a).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Dam wall 2 Bore embedding recessed hole 3 Filler 4 Anchor bolt 5 Handrail support | pillar 11 Foot cosmetic cover 11a Foot cosmetic cover upper end opening 11b Foot cosmetic cover lower end opening 13 Bolt screwed cylinder 15 Cover body 16 Notch opening 17 Mounting piece

Claims (1)

One end side of the anchor bolt is screwed and fixed to the bolt screwed tube of the handrail post made of an aluminum extrusion mold material in which one or a plurality of bolt screwed tubes are integrally formed in the axial direction, and the other end side is handrailed. The projecting end side of this anchor bolt is inserted into the bolt embedding concave hole drilled at the column mounting position of the weir wall via a curable filler, and the curable filler is cured. This is a handrail strut mounting structure in which anchor bolts are mounted and fixed in an upright state on the dam wall. When attaching the foot decorative cover to the foot portion of the handrail strut standing upright from the upper surface of the dam wall, the foot decorative cover is A cover body that is partially cut and formed in a substantially C-shaped horizontal cross section, and a shape that complements the notch opening of the C-shaped cover body, and is removably hooked into the notch opening. The cover body is in a state where the notch opening of the cover body formed in a substantially C-shaped horizontal cross section is expanded by expanding the cover body, and the foot of the handrail strut erected on the dam wall The upper end opening of the foot decorative cover is elastically closely fitted to the handrail strut by fitting it into the part, hooking the attachment piece into the notch opening of the cover body and attaching the attachment piece to the handrail strut with the screw A structure for attaching a handrail post, characterized in that it is attached as described above .

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