JP2707424B2 - Retrofit handrail support - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a post-holding balustrade fixing device used for retrofitting a handrail on a concrete frame such as a rooftop parapet or a veranda.

[0002]

2. Description of the Related Art The present inventor has proposed, in Japanese Patent Application No. Hei 6-79652 (Japanese Patent Application Laid-Open No. 7-259289), this type of column fixing device in which a handrail column is erected by a base member and a column bracket. Already.

According to this, for example, a base member mounted on a concrete body and having a thick substrate, and a thick substrate mounted and disposed on the base member and having a thick substrate A support bracket having a fitting portion formed by a pair of opposed upright walls, a fixed elongated hole provided in the thick substrate of the base member, and a thickness of the support bracket so that the thick substrates are formed into a solid integrated base body. A fixing bracket by a hole-in anchor in which the base member and the support bracket are fixedly adhered to the concrete body by being driven into the concrete body from the thick board side of the support bracket through the fixing holes provided in the meat board,
It has a bolt and a nut fixedly mounted on a pair of opposed upright walls so as to be vertically adjustable on a pair of opposing walls, and an upper surface of a thick substrate of the base member and a lower surface of a thick substrate of the support bracket. Each of the base members is provided with a curved sliding contact surface having a concave curve, and the support bracket has a convex curved curve.

[0004]

SUMMARY OF THE INVENTION The strut fixing device according to this example is, for example, as is typically found in the existing concrete skeleton of a rooftop parapet, for the construction of concrete on site or for the beam loading by structural load. In order to cope with undulations that form irregularities in the longitudinal direction of the concrete skeleton due to drooping, etc., and to cope with the unevenness of the gradient that appears in the cross-section of the concrete skeleton for drainage, Vertical mounting by turning the bracket,
By absorbing the height deviation by adjusting the vertical direction of the column, each column of the handrail can be erected vertically at the same height regardless of the condition of the concrete frame, and the concrete of the base member and the column bracket can be closely attached. It is possible to sufficiently secure the fixing strength of the pillars by fixing the thick-walled substrates to the solid body by fixing them to the frame, and the like.

[0005] However, in this case, since the fixing brackets are mounted on the unfixed base member and placed into the concrete body from the side of the support bracket side, the holes for drilling the concrete body and the base member are not provided. It is necessary to precisely locate the fixed long holes and the fixed holes of the support brackets, which makes the work complicated and easy. If the position shifts due to vibrations, etc., it may cause poor mounting of the fixing fittings and cracks around the concrete body drilling holes. Also, there is a problem that construction is easy to be complicated due to inconvenience and chipping.

The relationship between the support bracket and the support is as follows:
Since the strut fits into the fitting portion of the strut bracket, there remains a problem that the bolt and nut are likely to be exposed to the outside.

The present invention has been made in view of such a problem of the above-mentioned column fixing device.
In order to inherit the advantages of the column fixing device and eliminate its disadvantages, firstly, it is possible to vertically raise the column by turning the column bracket in accordance with the situation on the concrete skeleton side, and to sufficiently increase the fixing strength of the column. Another object of the present invention is to provide a post-fixing handrail post fixing device which can secure and easily carry out construction work. Secondly, in addition to this, the post can always be vertically aligned regardless of the condition of the concrete frame. Thirdly, in addition to this, the fixing strength of the column can be further improved, and fourthly, similarly, in addition to this, it is possible to prevent exposure of the fixing portion between the column bracket and the column. It is an object of the present invention to provide a handrail support device.

[0008]

According to the first object, a base member and a support bracket are arranged on the basis of a standing bolt protruding from a concrete frame, and the base member and the support bracket are vertically fixed by a fixed long hole of the support bracket. The support bracket can be fixed by a fastening nut on the side of the support bracket that sandwiches the base member with respect to the upright bolt. The fixing of the base member and the support bracket by the fastening nut is performed under the confrontation of the concave and convex of the curved engagement surface, and the support is fixed to the support bracket by the fastening nut. An upright bolt which is adapted to be inserted and fixed in a column receiving portion, that is, the invention according to claim 1 of the present invention, wherein the upright bolt is provided on a concrete frame. A base member placed on the concrete frame by inserting the upright bolt into the fixed long hole of the thick board; and a base member inserted through the fixed elongated hole of the thick board by placing the upright bolt in the fixed long hole of the thick board. A support bracket that is mounted and disposed and has a pair of opposing upright walls or a surrounding support wall on a thick board, and the upright bolt so that each of the thick boards is a solid integrated base body. A fastening nut that fastens the base member and the support bracket to the concrete frame by tightly fastening the support member in the support receiving portion of the support bracket, and a support pillar that is inserted into the support support portion of the support bracket and faces the opposed upright wall or the surrounding wall. It is provided with a through-hole or a plurality of individual bolts or nuts or a plurality of fixing screws fixed to the upright wall, and supports the upper surface of the thick substrate of the base member and the lower surface of the thick substrate of the support bracket so that they face each other. Each of the base members, which allows the support bracket to be rotatable in the range of the fixed long hole of the bracket, is provided with a concavely curved surface, and the support bracket is provided with a convexly curved curved meshing surface. The post-fixing handrail support fixing device according to claim 2, characterized in that the fixation in the form of close contact polymerization is performed firmly on the concrete frame under the concavo-convex face-to-face engagement of the curved toothed surface. Instead of the concave meshing surfaces of the base member and the convex curve of the support bracket, the convex meshes of the base member and the concave meshes of the support bracket are provided. According to the second aspect of the present invention, there is provided a post-fixing handrail post fixing device according to claim 1, wherein the relationship between the post and the post bracket can be freely adjusted in the vertical direction of the post. That is, according to the third aspect of the present invention, the fixing of the support to the opposed upright wall or the surrounding upright wall in the support bracket is performed by penetrating or a plurality of individual bolt nuts, and the bolt holes between the upright wall and the support are formed. 3. The post-holding handrail post fixing device according to claim 1, wherein the post is vertically adjustable by making one of the slots a long hole and the other a round hole. In accordance with the problem, the relationship and mode of the base member and the support bracket are determined by inserting the support bracket into the bracket receiving portion between the opposed upright walls, and retaining and retaining the support at the opening side. That is, according to the invention described in claim 4 of the present invention, the base member is provided with a bracket receiving portion formed by a pair of opposed standing walls disposed on a thick substrate, and a support bracket is inserted into the bracket receiving portion. Claims 1 and 2
Or a post fixing device for supporting a backing handrail according to claim 3, wherein the fixing portion of the post is additionally blindfolded by a blind cover in accordance with the fourth object. The invention described in (1) is characterized in that the base member is further provided with a detachable blind cover for covering and covering a bolt nut or a fixing screw of a pair of opposed upright walls or surrounding upright walls to which the columns are fixed. According to the present invention, there is provided a column fixing device for a retrofitting handrail according to the first, second, third or fourth aspect of the present invention, and these are used as means for solving the above problems as the gist of the invention.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described more specifically with reference to the drawings showing the embodiments. 1 is a concrete frame of a rooftop rosepet, 2 is a standing bolt protruding from the concrete frame 1, and 4 is a standing bolt. Reference numeral 13 denotes a support bracket, reference numeral 22 denotes a support, and reference numeral 24 denotes a blind cover provided on the base member 4 in this embodiment.

The upright bolts 2 are embedded in the concrete frame 1 by inserting an epoxy-based adhesive into a perforated hole 3 drilled, for example, at the position of each support 4 of a rear handrail (not shown) and inserting the lower end thereof. It is assumed that they are fixed by bonding and stand upright.

The base member 4 has a thick substrate 5 through which a fixed long hole 6 that allows position adjustment in the concrete frame 1 is provided. In the present embodiment, a pair of thick substrates 5 disposed on the thick substrate 5 is provided. It is provided with a bracket receiving portion 9 formed by the opposed upright walls 8 and further provided with projections 10 defining the opening side of the bracket receiving portions 9 at both ends of the facing surfaces of the pair of opposed upstanding walls 8. In the present embodiment, the base member 4 is formed by inserting the upright bolt 2 into the fixed long hole 6 so that the fixed long hole 6 is directed in the cross direction of the concrete frame 1 and a pair of opposed members is provided. Standing wall 8
And the bracket receiving portion 9 is placed and arranged on the concrete frame 1 so that the opening of the bracket receiving portion 9 faces the cross direction of the concrete frame 1. On the other hand, the support bracket 13 has Transparent thick substrate 14
In the present example, a column receiving portion 18 having a surrounding upright wall 17 is provided on the thick substrate 14, and upper and lower long holes 19 are provided through the opposing wall of the surrounding upstanding wall 17. The outer dimension of the upright wall 17 is made smaller than the interval between the projections 10 on the pair of opposing upright walls 8 in accordance with the inner dimension of the bracket receiving portion 9 of the base member 4. The support bracket 13 is an integrally molded product. The support bracket 13 is configured such that the upright bolt 2 is inserted through the fixed elongated hole 15 and placed on the base member 4. The arrangement is
The support bracket 13 is inserted into the bracket receiving portion 9 of the base member 4 formed by the pair of opposed upright walls 8, and these projections 10 are used as swing stoppers between the projections 10 defining the opening side of the bracket receiving portion 9. It is going to be located.

At this time, the upper surface of the thick substrate 5 of the base member 4 and the lower surface of the thick substrate 14 of the support bracket 13 are mutually meshed with each other in a face-to-face manner within a fixed elongated hole 15 of the support bracket 13. Each of the curved meshing surfaces 7 and 16 of the base member 4 that allows the support bracket 13 to be rotatable is concavely curved and the support bracket 13 is convexly curved. Under the stable concavo-convex face-to-face engagement with the curved toothed surface 16 of the support bracket 13, the support bracket is moved relative to the base member 4 in the range between the fixed slot 15 and the projection 10 so as to change the engagement position. 13 is rotatable, regardless of the state of the gradient of the concrete frame 1, that is, the base member 4
Irrespective of the inclination of the mounting arrangement, the mounting arrangement can be adjusted so that the support bracket 13 can be installed horizontally.

The tightening nut 20 is connected to each of the thick boards 5, 14.
The base member 4 and the support bracket 13 are fixed to the concrete skeleton 1 in a tightly overlapping manner by fastening the support member 2 to the upright bolt 2 in the support receiving portion 18 of the support bracket 13 so as to form a solid integral base body. At this time, the fixing of the base member 4 and the support bracket 13 in the close contact-polymerized state by the fastening nut 20 is performed by firmly fixing the base member 4 and the support bracket 13 under the concavity and convexity of the curved engagement surface. In the present example, the stable uneven surface between the curved meshing surface 7 of the base member 4 and the curved meshing surface 16 of the support bracket 13 horizontally installed in the present example. Under the meshing, the fastening nuts 20 are fastened to the upright bolts 2 via the washers 21 from the support bracket 13 side, so that the thick boards 5 and 14 are connected to each other. Among some as fixed firmly to the concrete skeleton 1 in close contact polymerizing a base member 4 and the support bracket 13 to as to the base body of the actual unit.

The column 22 is made of an extruded aluminum material having a rectangular cross section at a predetermined interval, which constitutes a rear handrail, not shown, and has a round hole 23 formed at the lower end of the opposing wall. Numeral 22 denotes a fitting that is inserted into the support receiving portion 18 of the support bracket 13 and is fixed to the surrounding upright wall 17 by a through bolt nut 24. The column 22 can be adjusted vertically by tightening a through bolt nut 24 through the hole 19 and the round hole 23 of the column 22. Since the support bracket 13 is installed horizontally, the support column 22 is naturally vertically extended. On the other hand, the height of the support columns 22 at predetermined intervals in the longitudinal direction with respect to the waving of the concrete frame 1 is adjusted by adjusting the vertical direction. Is absorbed, so that the support columns 22 are further at the same height, so that the vertical support can be provided upright.

On the other hand, the blind cover 25 is provided so that the base member 4 is provided as a detachable cover for covering and covering the bolt and nut 24 of the surrounding upright wall 17 to which the support column 22 is fixed. A pair of locking pieces 26 and 27 are formed in a curved plate shape along the edge between the pair of opposed upright walls 8 so as to close the opening of the bracket receiving portion 9, and project from the upper and lower ends of the inner surface thereof in the orthogonal direction. The blind cover 25 is detachably attached to the base member 4 according to the present embodiment. In this example, the locking step 11 provided on the thick substrate 5 of the base member 4 is provided.
And a pair of locking pieces 26 and 27 are resiliently hooked and locked to the base member 4 on the same locking step 12 provided at the upper end of the projection 10 of the pair of opposed upright walls 8, and fixed to the base member 4. In addition, the tapered thing is raised so that it can be removed by raising it, so that the through bolt nut 24 is covered with a blind cover 25 so that the front and rear parts are not exposed by the respective blind covers 25. 2
The fixing device of No. 2 has a good appearance.

At this time, the support bracket 13 of the present embodiment
, The curved meshing surface 16 is a curved surface formed by an arc centered at the intersection of the center line of the column 22 and the line connecting the upper ends of the respective blind covers 25.
The interposition position is the minimum deflection portion of the column 25. Therefore, for example, when the external dimension of the column 22 is 55 mm and the inclination of the column bracket 13 with respect to the base member 4 is 50, the column 22 and the blind cover If there is a gap of about 0.5 mm between the blind cover 25 and the blind cover 25, it is possible to absorb a groove that impairs the appearance of the blind cover 25. Therefore, in this example, the illustration of the gap is omitted in the drawing).

Although the illustrated example is as described above, furthermore, the concavely curved curved meshing surface of the base member and the convexly curved curved meshing surface of the column bracket are the stable concave and convex curved teeth of the column bracket. It is more preferable from the viewpoint of securing
Alternatively, each of the mating surfaces of the base member may be provided with a convex curve and the support bracket may be provided with a concave curve, and the base member may be provided as a piece-shaped member without a facing upright wall. Place it on the member as it is and fix it in the same way with the fastening nut.
Instead of the surrounding upright wall, a pair of opposing upright walls is used, and a column is fixed to the opposing upright wall. For fixing the column, a plurality of individual bolts are used instead of the through bolt nuts. Use nuts or a plurality of fixing screws. At this time, fix the receiving nut on the inside of the column as necessary, or build up the inside of the column for receiving the screw, and make the column adjustable vertically. Depending on the configuration,
When using bolts and nuts, the relationship between the long hole of the support bracket and the round hole of the support is reversed to ensure that one of the bolt holes between the upright wall and the support is a long hole and the other is a round hole. When the removable cover is provided on the base member, the lower end of the cover is screwed to the thick substrate of the base member. It is possible for the cover to cover the pair of opposed upright wall end faces, and to lock the locking piece at the upper end with the locking groove provided in the opposed upright wall end face. Concrete concrete body, standing bolts, base members, support brackets, fastening nuts, support bolt nuts, screws, blind cover used as necessary, concrete shapes, structures, materials, their relations, Additionally, installation of orientation and aspect, procedures and the like, the can and in various embodiments as long as not contrary to the gist of the invention, falls short of limited especially to those described above.

[0018]

Since the present invention is configured as described above, the inventions according to Claims 1 and 2 respectively rotate the support bracket in accordance with the situation on the concrete body side such as uneven gradient in the cross direction. The vertical engagement is possible, and the base member and the support bracket are fixed in a tightly-stacked state so that the base member and the support bracket are a solid integral base body. In order to fix it to the strong concrete body underneath, by inserting and fixing columns, it is possible to secure sufficient fixing strength and to fix the base member and the column bracket based on the upright bolt. It is possible to provide a pillar fixing device for a retrofitted handrail which can easily and surely perform the standing work of the pillar.

According to the third aspect of the present invention, in addition to the above, regardless of the condition of the concrete frame such as the waving in the longitudinal direction, the columns at the predetermined intervals can always be erected vertically.

According to a fourth aspect of the present invention, in addition to the above, since the support bracket is inserted into contact with the base member, the placement and fixing of the support bracket and its fixing are stabilized, and the fixing strength of the support is further improved. It can be improved.

According to the fifth aspect, in addition to the above, it is possible to prevent the fixing portion between the column bracket and the column from being exposed, thereby improving the appearance.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a column fixing device.

FIG. 2 is a vertical sectional view of a pillar fixing device in a cross direction of a concrete body.

FIG. 3 is a longitudinal sectional view in the longitudinal direction of a concrete skeleton of a column fixing device.

FIG. 4 is a cross-sectional view at a position of a support in a support fixed state.

FIG. 5 is a plan view of a base member.

FIG. 6 is a side view of a base member.

FIG. 7 is a longitudinal sectional view of a center position of the base member.

FIG. 8 is a plan view of a support bracket.

FIG. 9 is a longitudinal sectional view of a center position of a support bracket.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Concrete frame 2 Standing bolt 4 Base member 5 Thick board 6 Fixed long hole 7 Curved meshing surface 8 Opposite rising wall 9 Bracket receiving part 13 Support bracket 14 Thick board 15 Fixed long hole 16 Curved meshing surface 17 Surrounding rising wall DESCRIPTION OF SYMBOLS 18 Prop receiving part 19 Elongated hole 20 Fastening nut 22 Prop 23 Round hole 24 Through bolt nut 25 Blind cover

Claims (5)

(57) [Claims] An upright bolt protruding from a concrete body, a base member inserted through a fixed slot of a thick board and placed on the concrete body, and A support bracket which is inserted into the fixed long hole of the thick substrate and is placed and disposed on the base member, and which has a support receiving portion formed by a pair of opposed upright walls or surrounding upright walls on the thick substrate; A tightening nut for fixing the base member and the support bracket to the concrete body in a tightly overlapping manner by fastening the support member to the upright bolt in the support receiving portion of the support bracket so as to form a solid integral base body; A through-hole or a plurality of individual bolts or nuts or a plurality of fixing screws for fixing a support inserted into the support receiving portion to the opposed upright surrounding wall or the surrounding upright wall; Each curved tooth of the base member has a concave curve, and the support bracket has a convex curve, and the lower surface of the thick board of the column bracket is meshed with the uneven surface of the column bracket so that the column bracket can rotate within the fixed long hole of the column bracket. A mating surface is provided, and the base member and the support bracket are fixed in a tightly overlapping manner by the tightening nut to the concrete frame under the irregular confrontation of the curved mating surface. Supporting device for post balustrades. 2. A method according to claim 1, wherein the base member is provided with a convex curved surface and the support bracket has a concave curved surface. The support device according to claim 1, wherein the support is provided for a rear handrail. 3. The support bracket is fixed to the opposing upright wall or the surrounding upright wall of the support bracket with a through-hole or a plurality of individual bolts and nuts, and one of the bolt holes between the upright wall and the support is an elongated hole, and the other is a long hole. 3. A post fixing device for a retrofit handrail according to claim 1, wherein the post is vertically adjustable by forming a round hole. 4. The apparatus according to claim 1, wherein the base member includes a bracket receiving portion formed by a pair of opposed upright walls disposed on a thick substrate, and a support bracket is inserted into the bracket receiving portion. , 2 or 3, the post fixing device for the backing handrail. 5. The base member further comprises a detachable blind cover for covering and covering a bolt nut or a fixing screw of a pair of opposed upright walls or surrounding upright walls to which the columns are fixed. The post fixing device for a retrofit handrail according to claim 1, 2, 3, or 4.