JP2013163932A - Handrail support fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail support fixture capable of improving handleability and workability and improving attaching strength of a handrail support.SOLUTION: A handrail support fixture 1 includes: a lower end fixing member 10 provided with a recessed part 11 opened upwards for fitting a lower end 8a of a handrail support 8, and fixed to an upper surface 3a of a tread 3 of a stair 2 or a floor surface 5a; and a frame-like member 20 having a frame shape surrounding the handrail support and capable of being brought close to and away from an upper surface part of a side peripheral part 14 of the lower end fixing member surrounding the lower end of the handrail support. The lower end fixing member and the frame-like member are provided with connection parts 18 and 24 for connecting them with each other in the state of abutting them to each other, and the frame-like member is provided with an attaching part 24 to be attached to the tread 3 positioned on an upper stage side of the lower end fixing member in the state of being separated from the lower end fixing member.

Description

  The present invention relates to a handrail support fixture for attaching a handrail support.

  Conventionally, a so-called open type staircase is known in which all or part of one side (or both sides) of a staircase is opened. In the case where a handrail is provided on the open side of such an open type staircase or on the atrium portion of the upper floor, the handrail cannot be fixed along the wall surface, so that the handrail is supported by the handrail column. Conventionally, such a handrail support column has a structure in which a tenon is provided at a lower end portion thereof and a tenon hole into which the tenon is fitted into a step board or a floor board is attached by a tenon assembly. However, such a tenon assembly mounting structure has a problem that it takes time and effort for processing and construction.

  For example, in Patent Document 1 below, a main pillar mounting structure in which a lower end portion of a main pillar main body of a handrail is fixed with a main pillar fixing tool, and a portion of the main pillar main body that is in contact with a nose portion of a tread is fixed with a mounting bracket. Has been proposed. The main pillar fixture includes a base portion having a protrusion into which a lower end portion of a main pillar main body that is a cylindrical body is inserted, and a fitting member that is fitted to the base portion via the main pillar main body. Yes. Moreover, it is set as the structure which attaches and fixes the lower end part of the handrail provided between main pillar main bodies with the attachment metal fitting matched with the fitting member of the main pillar fixing tool.

JP 2008-25147 A

  However, in the mounting structure of the handrail column such as the main column main body and the balustrade described in Patent Document 1, the main column fixing tool that fixes the lower end portion of the main column main body and the nose portion of the step board of the main column main body are in contact with each other. A mounting bracket for fixing the portion and a mounting bracket for fixing the lower end of the handrail are required. Therefore, the number of parts has increased, and improvement has been desired from the viewpoints of handling properties and workability. In addition, the mounting bracket that fixes the portion of the main pillar body that contacts the nose portion of the tread is a U-shaped bracket that opens toward the main pillar body side, and improvement has been desired from the viewpoint of mounting strength.

  This invention is made | formed in view of the said situation, and it aims at providing the handrail support | pillar attachment tool which can improve the handleability and workability, and can improve the attachment intensity | strength of a handrail support | pillar.

  In order to achieve the above-mentioned object, the handrail support fixture according to the present invention is provided with a recessed portion opened upward in which the lower end of the handrail support is fitted, and is fixed to the upper surface or floor surface of the stair tread. And a frame-like member that surrounds the handrail support column, and that can freely contact and separate from an upper surface portion of a side peripheral portion of the lower end fixing member that surrounds a lower end portion of the handrail support column, and the lower end fixing member And the frame-shaped member is provided with a connecting portion that connects each other while being in contact with each other. The frame-shaped member is separated from the lower-end fixing member, and the upper-stage side of the lower-end fixing member An attachment portion that is attached to the tread board located at the position is provided.

In the present invention, the lower end fixing member and the frame-shaped member are shaped so that the side peripheral surfaces thereof are substantially flush with each other in contact with each other, and at the bottom of the recess of the lower end fixing member, You may make it provide the insertion hole of the fastener which fixes a lower end fixing member to the upper surface or floor surface of a tread.
Moreover, in this invention, you may make it provide the engaging part which mutually engages in the upper surface part of the side peripheral part of the said lower end fixing member, and the lower surface part of the said frame-shaped member.
Further, in the present invention, the connecting portion and the mounting portion of the frame-shaped member are used as a double insertion hole through which a stopper is inserted, and the connecting portion of the lower end fixing member is connected to the frame-shaped member on the side peripheral portion. It is good also as a fastener hole connected to the insertion hole of this frame-shaped member in the state which contact | abutted.
Further, in the present invention, the stopper hole of the lower end fixing member and the insertion hole of the frame-shaped member are formed in the vertical direction, and the frame-shaped member is inserted into the upper stage by the stopper inserted through the insertion hole. It is good also as attachment to the lower surface of a side tread.

  Since the handrail support fixture according to the present invention is configured as described above, the handleability and workability can be improved, and the attachment strength of the handrail support can be improved.

(A), (b) shows typically an example of the handrail support | pillar attachment which concerns on one Embodiment of this invention, and an example of the handrail support | pillar attachment structure using this, (a) is in FIG. FIG. 4B is a partially broken schematic longitudinal sectional view corresponding to the view along line Y1-Y1, and FIG. 5B is a partially broken schematic longitudinal sectional view corresponding to the view taken along line Y2-Y2 in FIG. FIG. 5 is a partially broken schematic enlarged perspective view corresponding to a portion X in FIG. 4. It is a partially broken schematic perspective view which shows typically an example of the handrail support | pillar attachment tool and a handrail support | pillar. It is a partially broken schematic perspective view which shows typically the handrail support | pillar mounting structure.

Embodiments of the present invention will be described below with reference to the drawings.
1-4 is a figure which shows typically an example of the handrail support | pillar attachment tool which concerns on this embodiment.
In some of the drawings, some of the detailed reference numerals attached to other drawings are omitted.
Moreover, in the following embodiment, directions, such as an up-down direction, are fundamentally demonstrated on the basis of the state in which the handrail support | pillar fixture was constructed.

As shown in FIG. 4, the handrail column attachment 1 according to the present embodiment is a handrail column attachment that attaches the lower end side of the handrail column 8 that supports the handrail 6 installed on the open side of the open-type stairs 2 to the attachment target. Used for structure.
In the illustrated example, as the staircase 2, a so-called bent-shaped staircase 2 in which a dance hall 5 is provided in the middle of the lower floor and the upper floor and the direction is changed by 90 degrees is illustrated. Further, an open type stairs 2 in which the lower floor of the stairs 2 to the landing 5 and one side of the landing 5 are opened is illustrated. The open type staircase 2 is not limited to this, and may be a straight staircase, a rotating staircase, a turn-up staircase, etc., and all or a part of one side (or both sides) may be used. It may be opened.

The staircase 2 includes a tread plate 3 that is disposed substantially horizontally and forms a tread surface, and a kick plate 4 that is disposed substantially vertically and forms a kick surface. Moreover, in the example of a figure, the front end part (lower floor side, the lower stage side edge part) of the tread board 3 protrudes ahead (lower floor side, lower stage side) from the kick surface, and the example which provided the nose part is shown. . Note that the staircase 2 is not limited to the aspect in which the kick plate 4 that forms such a kick surface is provided, and may be a so-called exposed staircase that does not have the kick surface.
The handrail 6 has a substantially square bar shape or a substantially round bar shape, and is disposed at a height of about 800 mm to 1200 mm from the upper surface 3 a of the tread board 3 and the upper surface 5 a of the landing 5. In the illustrated example, a handrail 6 divided into a staircase section from a lower floor to a landing 5 and a landing section is illustrated.
The handrail 6 of the staircase portion is supported by being attached to the main pillars 7 and 7 at both ends in the longitudinal direction. The handrail 6 of the landing part is supported by being attached to the main pillar 7 at one end in the longitudinal direction and attached to the wall surface at the other end in the longitudinal direction.

The handrail 6 and the main pillar 7 may be fixed by a mounting bracket or the like, or may be fixed by a tenon assembly or the like. Moreover, you may make it fix the handrail 6 and a wall surface via attachments, such as a rosette.
Moreover, the lower end part of the main pillar 7 may be attached to the floor surface of the lower floor and the upper surface 5a of the dance hall by a mounting bracket or the like, or may be attached by a tenon assembly or the like.
Further, the handrail 6 is supported by a plurality of handrail struts 8 attached to the middle portion in the longitudinal direction at intervals along the longitudinal direction.

The handrail support column 8 is formed in a vertically long shape. In the present embodiment, as shown in FIGS. 2 and 3, the handrail support column 8 has a substantially rectangular cross-sectional shape and a hollow, generally rectangular tube shape. Also, in the illustrated example, an example is shown in which concave grooves extending vertically are provided on both side portions of the handrail support column 8 so as to form ribs extending in the vertical direction on both side portions in the hollow. ing. The handrail support 8 may be a mold material formed of a metal material such as aluminum or stainless steel. In addition, it is not restricted to the hollow handrail support | pillar 8, It is good also as a solid. Moreover, it is good also as the handrail support | pillar 8 formed from the woody material.
The upper end portion of the handrail post 8 may be provided with a bracket (upper end fixture) whose angle can be adjusted at the upper end portion of the handrail post 8 and attached to the handrail 6 via this bracket.

  As shown in FIG. 3, the handrail support fixture 1 includes a lower end fixing member 10 provided with a recessed portion 11 opened upward in which a lower end 8 a of the handrail support 8 is fitted, and a frame-shaped frame surrounding the handrail support 8. Shaped member 20. The frame-like member 20 can be freely contacted and separated from the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10 surrounding the lower end portion 8 a of the handrail support column 8. Further, the lower end fixing member 10 and the frame-shaped member 20 are provided with connecting portions 18 and 24 that connect each other in a state where they are in contact with each other. Further, the lower end fixing member 10 and the frame-shaped member 20 are provided with engaging portions 17 and 23 that engage with each other in a state where they are in contact with each other. Further, the lower end fixing member 10 and the frame-shaped member 20 are formed in a shape in which the side peripheral surfaces thereof are substantially flush with each other in a state where they are in contact with each other (see FIGS. 1B and 2). .

The lower end fixing member 10 has a substantially rectangular shape in plan view, and has a bottomed substantially rectangular tube shape opened upward. The concave portion 11 of the lower end fixing member 10 has a substantially rectangular shape in plan view corresponding to the outer shape of the lower end portion 8a of the handrail support column 8. The depth dimension (vertical dimension) of the recess 11 may be set as appropriate from the viewpoint of the attachment strength and appearance of the handrail support column 8. For example, the depth dimension of the recess 11 may be about 10 mm to 100 mm, or about 20 mm to 70 mm.
Further, the concave portion 11 is partitioned by the bottom portion 12 and the side peripheral portion 14.
As shown in FIGS. 1 and 3, the bottom portion 12 has an insertion hole for a fastener 9 such as a screw or a nail that fixes the lower end fixing member 10 to a floor surface such as the upper surface 3 a of the tread plate 3 or the upper surface 5 a of the landing 5. 13 is provided. In the illustrated example, a plurality (three in the illustrated example) of insertion holes 13, 13, 13 are provided in the bottom 12 of the lower end fixing member 10. These insertion holes 13, 13, 13 are formed so as to penetrate the bottom portion 12 in the thickness direction (vertical direction), and are formed in a counterbore shape (see FIG. 1).

The side peripheral portion 14 of the lower end fixing member 10 includes a front side portion that covers the front side (lower floor side, lower step side) of the handrail support column 8, left and right side portions that cover the left and right sides of the handrail support column 8, and the rear side (upper side). It has a back side portion 16 that covers the floor side and the upper side).
The side peripheral portion 14 is provided with a stopper hole 15 through which a stopper for fixing the lower end portion 8a of the handrail support column 8 fitted in the concave portion 11 is inserted. In the illustrated example, stopper holes 15 and 15 penetrating in the thickness direction (left and right direction) are provided in the left and right side portions of the side peripheral portion 14, respectively. Moreover, these fastener holes 15 and 15 are formed in a counterbore shape.
Further, the rear side portion 16 of the side peripheral portion 14 is formed to have a thickness dimension (front-rear dimension) larger than that of the front side portion and the left and right side portions, and an engaging portion 17 and a connecting portion 18 are provided on the upper surface portion. ing.

As shown in FIGS. 1 and 3, the engaging portion 17 is configured so that the rear side portion of the rear side portion 16 is the front side upper surface, the front side portion, and the left and right sides so as to form a step on the upper surface portion of the side peripheral portion 14. A stepped engagement portion 17 is provided that protrudes upward from the upper surface of both side portions. The stepped engagement portion 17 is formed over the entire left and right direction at the back side portion of the back side portion 16.
In the present embodiment, the connecting portion 18 opens upward on the upper surface of the stepped engagement portion 17 and is a fastener hole 18 formed in the vertical direction. In the example shown in the figure, the fastener hole 18 formed up to the middle portion of the back side portion 16 of the side peripheral portion 14 is shown, but a fastener hole penetrating the back side portion 16 vertically may be used. Further, when the fastener 9 is a screw, the fastener hole 18 may be a screw hole in which a female screw groove corresponding to the fastener 9 is provided on the inner peripheral surface.

The frame-like member 20 has a substantially rectangular shape in plan view, and has a frame shape provided with a vertically extending strut hole 21 through which the handrail strut 8 is inserted. The column hole 21 of the frame-shaped member 20 has a substantially rectangular shape in plan view corresponding to the outer shape of the handrail column 8. Further, the support hole 21 has the same size as the concave portion 11 of the lower end fixing member 10 in a plan view, and the frame-shaped member 20 is in contact with the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10. In this configuration, the recess 11 communicates with the recess 11. Further, in the state where the frame-shaped member 20 is in contact with the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10 as described above, the recess 11 of the lower end fixing member 10 and the column hole 21 of the frame-shaped member 20 move upward. A series of recesses that are open are formed.
Moreover, in this embodiment, the outline shape in planar view of these frame-shaped members 20 and the lower end fixing member 10 is made into the same dimension and shape. Further, as shown in FIGS. 1B and 2, in a state where the frame-shaped member 20 is brought into contact with the upper surface portion of the side peripheral portion 14 of the lower-end fixing member 10, the frame-shaped member 20 and the lower-end fixing member 10. The side peripheral surface is substantially flush and substantially vertical.

The height dimension (vertical dimension) of the frame-shaped member 20 may be set as appropriate from the viewpoint of the attachment strength and appearance of the handrail support column 8. For example, the height of the frame member 20 may be about 3 mm to 50 mm, or about 5 mm to 20 mm.
Further, the frame-shaped member 20 is provided with an attachment portion 24 that is attached to the tread plate 3 positioned on the upper side of the lower end fixing member 10 while being separated from the lower end fixing member 10.
Further, in the present embodiment, the upper portion of the lower end fixing member 10 in a state where the frame-shaped member 20 is separated from the lower end fixing member 10 and the connecting portion connected to the lower end fixing member 10 in a state of being in contact with the lower end fixing member 10. A mounting portion to be attached to the tread plate 3 located on the side is used as a dual-purpose insertion hole 24. That is, the insertion hole 24 functions as a connecting portion when the frame-shaped member 20 is disposed in contact with the lower end fixing member 10. On the other hand, the insertion hole 24 functions as an attachment portion when the frame-shaped member 20 is disposed away from the lower end fixing member 10.

  The frame-shaped member 20 has a substantially horizontal plane with a flat upper surface. The frame-shaped member 20 has a front side portion that covers the front side of the handrail support column 8, left and right side portions that cover the left and right sides of the handrail support column 8, and a back side portion 22 that covers the back side of the handrail support column 8. Similar to the lower end fixing member 10, the rear side portion 22 is formed to have a thickness dimension (front-rear dimension) larger than the front side portion and the left and right side portions of the frame-shaped member 20. Further, the rear side portion 22 is provided with an engaging portion 23 and an insertion hole 24 as a connecting portion and an attaching portion.

The engaging portion 23 corresponds to the engaging portion (stepped engaging portion) 17 of the lower end fixing member 10 so as to engage with the engaging portion (stepped engaging portion) 17 provided on the lower end fixing member 10. The shape is different. As shown in FIGS. 1 and 3, the engaging portion 23 is a step formed by cutting out the lower surface side of the rear side portion of the rear side portion 22 so as to form a step on the lower surface portion of the frame-shaped member 20. The engagement portion 23 is formed. The stepped engagement portion 23 is formed across the entire left and right direction at the back side portion of the back side portion 22.
In a state where the frame-shaped member 20 is brought into contact with the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10 and the stepped engaging portions 17 and 23 are engaged with each other, the side peripheral portion 14 of the lower end fixing member 10 is engaged. And the frame-shaped member 20 form a series.

The insertion hole 24 is formed in the up-down direction at a portion where the stepped engagement portion 23 is provided. The insertion hole 24 is configured to communicate with the fastener hole 18 of the lower end fixing member 10 in a state where the frame-shaped member 20 is in contact with the side peripheral portion 14 of the lower end fixing member 10 (FIG. 1 ( b)). Further, in the present embodiment, as shown in FIG. 1A, the frame-like member 20 can be attached to the lower surface 3b of the upper tread 3 by the stopper 9 inserted through the insertion hole 24. ing.
Note that the lower end fixing member 10 and the frame-shaped member 20 may be formed of a metal material or a hard synthetic resin material.

Next, an example of the attachment structure of the handrail strut 8 using the handrail strut attachment 1 having the above-described configuration will be described.
In the present embodiment, as shown in FIG. 4, a plurality of handrail struts 8 in which the back surface of the handrail 6 of the staircase portion is in contact with the front end portion (step nose portion) of each step board 3 on the upper stage side of the staircase 2. And a plurality of handrail struts 8 disposed between the handrail struts 8 in contact with the upper treads 3. Moreover, the handrail support | pillar 8 is attached to the handrail 6 of the said landing part at intervals. In the present embodiment, the lower end sides of the plurality of handrail struts 8 are each attached to an attachment target by the same handrail strut fixture 1.

  As shown in FIG. 1A and FIG. 2, the lower end portion 8 a of the handrail column 8 that is in contact with the upper tread 3 is fitted in the recess 11 of the lower end fixing member 10. The lower end portion 8a of the handrail support column 8 is lowered by a fastener such as a screw or a nail that is screwed (or driven) through a fastener hole 15 provided in the side peripheral portion 14 of the lower end fixing member 10. It is fixed to the fixing member 10. Further, the lower end fixing member 10 is fixed to the upper surface 3a of the tread 3 such that the rear side portion 16 faces the upper kick surface. The lower end fixing member 10 is screwed (or driven) into the tread plate 3 (or floor material) through the insertion hole 13 provided in the bottom portion 12, and the upper surface 3a of the tread plate 3 as an attachment target (or It is fixed to the floor. The stopper hole 18 as a connecting portion of the lower end fixing member 10 is not conspicuous because it is provided in the back side portion 16, but a cap member or the like covering the stopper hole 18 is used as the stopper hole 18. You may make it fit.

The handrail support 8 is inserted through the support hole 21 of the frame member 20. The frame-like member 20 is attached to the step board 3 positioned on the upper side of the step board 3 (or floor) to which the lower end fixing member 10 is fixed in a state of being separated from the lower end fixing member 10. In the present embodiment, the frame-shaped member 20 is screwed (or driven) into the upper tread 3 via the insertion hole 24 provided in the back side portion 22 of the frame-shaped member 20. It is being fixed to the lower surface 3b of the tread board 3 as attachment object.
With such a configuration, the handrail column 8 that is in contact with the upper step board 3 is fixed at the lower end portion 8a to the step board 3 by the lower end fixing member 10, and the upper step side near the step board 3 in the middle of the height direction. Is fixed to the upper tread 3 via the frame member 20.

  On the other hand, as shown in FIGS. 1B and 2, the handrail support column 8 disposed between the handrail support columns 8 in contact with the treads 3 has a lower end portion 8 a that contacts the lower end fixing member 10. It is fitted into a recess composed of the column hole 21 of the frame-shaped member 20 in contact with the recess 11 of the lower end fixing member 10. Similarly, the handrail support column 8 disposed in the landing 5 has a lower end portion 8 a formed of a support hole 21 of the frame-like member 20 in contact with the lower end fixing member 10 and a recess portion 11 of the lower end fixing member 10. It is inserted in. Similarly to the above, the lower end portion 8a of the handrail post 8 is fixed to a screw, a nail or the like screwed (or driven) through a fastener hole 15 provided in the side peripheral portion 14 of the lower end fixing member 10. It is being fixed to the lower end fixing member 10 with the tool. Similarly to the above, the lower end fixing member 10 is screwed (or driven) into the tread board 3 (or floor material) through the insertion hole 13 provided in the bottom portion 12, so that the tread board 3 as an attachment target is screwed. It is fixed to the upper surface 3a (or a floor surface such as the upper surface 5a of the landing 5).

Further, the frame-shaped member 20 and the lower end fixing member 10 are brought into contact with each other by engaging the stepped engaging portions 23 and 17 with each other. Further, the frame-shaped member 20 and the lower end fixing member 10 communicate with the insertion hole 24 and the fastener hole 18 as a connecting portion, and are screwed into (or driven into) the insertion hole 24 and the fastener hole 18. And are connected to each other by fasteners 9 such as screws and nails. The lower end fixing member 10 and the frame-like member 20 brought into contact with each other in this way are restrained from moving in the vertical direction by the above-mentioned connection, and also in the horizontal plane region direction (handrail) by the engagement and the connection. The movement of the column 8 is suppressed. Further, the lower end fixing member 10 and the frame-like member 20 serve as a lower end fixing member of a series of handrail support columns.
With such a configuration, the handrail struts 8 disposed between the handrail struts 8 in contact with the tread board 3 and the handrail struts 8 disposed on the landing 5 have lower end portions 8a at the lower end fixing member 10 and the frame. It is fixed to the upper surface 3 a of the tread board 3 and the upper surface 5 a of the landing 5 by the shaped member 20.

According to the handrail support fixture 1 having the above-described configuration, the handleability and workability can be improved, and the attachment strength of the handrail support 8 can be improved.
In other words, the bottom surface 8a of the handrail column 8 is placed on the floor surface such as the upper surface 3a of the step board 3 of the staircase 2 or the upper surface 5a of the landing 5 via the lower end fixing member 10 provided with the recess 11 into which the lower end portion 8a of the handrail column 8 is fitted. Can be fixed to. Therefore, it is not necessary to form a tenon at the lower end of the handrail support column 8 or to form a mortise hole on the upper surface or floor surface of the stair plate to be attached, so that the workability can be improved.

Further, since the frame-shaped member 20 is formed in a frame shape surrounding the handrail support column 8 and can be freely contacted and separated from the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10, the handling property and workability are improved. Thus, the attachment strength of the handrail support 8 can be improved.
That is, when the handrail support column 8 is installed at a position separated from the upper step board 3 of the stairs 2 or the upper surface (floor surface) 5 a of the landing 5, the frame member 20 is connected to the side peripheral portion 14 of the lower end fixing member 10. Can be connected to each other by the connecting portions 18 and 24. Thereby, the lower end part 8a of the handrail support | pillar 8 can be enclosed by the side peripheral part 14 and the frame-shaped member 20 of the lower end fixing member 10, and the attachment strength of the handrail support | pillar 8 can be improved. On the other hand, when the handrail support column 8 is installed close to or in contact with the upper step plate 3 of the stairs 2, the frame member 20 is separated from the lower end fixing member 10, and the frame member 20 is attached to its mounting portion. It can be attached to the upper tread 3 via 24. Thereby, the lower end portion 8a of the handrail support column 8 can be fixed by the lower end fixing member 10, and the vicinity of the height of the upper step plate 3 of the handrail support column 8 is fixed to the upper step plate 3 via the frame member 20. Thus, the attachment strength of the handrail support 8 can be improved. Moreover, since the handrail support | pillar 8 from which an installation location differs in this way can be attached using the same handrail support | pillar attachment tool 1, the number of parts can be reduced and handling property and workability | operativity can be improved.

Moreover, in this embodiment, the lower end fixing member 10 and the frame-shaped member 20 are formed in a shape in which the side peripheral surfaces are substantially flush with each other in a state where they are in contact with each other. Accordingly, when the lower end portion 8a of the handrail support column 8 is fixed so as to be surrounded by the lower end fixing member 10 and the frame-like member 20 in a state where they are in contact with each other, the side peripheral surfaces thereof are substantially flush with each other. The appearance can be improved and the appearance can be improved.
Furthermore, in this embodiment, the outline shape in planar view of these lower end fixing members 10 and the frame-shaped member 20 is made into the same dimension, and these lower end fixing members 10 and the frame-shaped members 20 are in the state which mutually contacted. The side surfaces of each other are substantially flush and have a substantially vertical plane. Therefore, the appearance is cleaner and the appearance can be further improved. Instead of such an aspect, the outer shape of the lower end fixing member 10 and the frame-shaped member 20 brought into contact with each other may be a substantially truncated pyramid shape or a substantially truncated cone shape. Even such a thing, a mutual peripheral surface becomes substantially flush, and it can improve appearance. Furthermore, the lower end fixing member 10 and the frame-like member 20 are brought into contact with each other in place of the shape in which the side peripheral surfaces of the lower end fixing member 10 and the frame-like member 20 are substantially flush with each other. It is good also as a shape by which a level | step difference is formed in a mutual surrounding surface in the state.

  In the present embodiment, the insertion hole 13 for the stopper 9 is provided in the bottom 12 of the recess 11 of the lower end fixing member 10. Therefore, since the lower end fixing member 10 can be fixed to the attachment target by the stopper 9 through the insertion hole 13, the stopper 9 that fixes the lower end fixing member 10 to the attachment target is not exposed and looks good. Can be improved. Instead of such an aspect in which the insertion hole 13 is provided in the bottom portion 11 of the concave portion 11, a fixing piece or a collar portion having the insertion hole 13 is provided in the lower end portion of the side peripheral portion 14 of the lower end fixing member 10. May be. Alternatively, the insertion hole 13 may be provided in the back side portion 16 of the lower end fixing member 10. In this case, you may make it serve as this insertion hole 13 and the fastener hole 18 as a connection part.

In the present embodiment, engaging portions 17 and 23 that engage with each other are provided on the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10 and the lower surface portion of the frame-shaped member 20. Therefore, when the lower end fixing member 10 and the frame-like member 20 are brought into contact with each other, the engaging portions 17 and 23 can be engaged with each other, and it is possible to make it difficult for these positional deviations to occur. .
Further, in the present embodiment, the engaging portions 17 and 23 of the lower end fixing member 10 and the frame-shaped member 20 are stepped engaging portions 17 and 23. Therefore, for example, it is possible to engage with each other relatively firmly as compared with the case where the engaging portions are engaging protrusions and engaging holes. Further, the lower end fixing member 10 and the frame-shaped member 20 brought into contact with each other by the engagement by the stepped engagement portions 17 and 23 and the connection by the connection portions 18 and 24 and the horizontal plane region direction (handrail) It is possible to suppress movement around the support column 8). Therefore, when the lower end portion 8a of the handrail support column 8 is attached to the attachment object by the lower end fixing member 10 and the frame-shaped member 20 that are brought into contact with each other in this manner, the handrail support column 8 can be adjusted in the horizontal plane direction, the upper and lower left and right directions, and the like. Even when an external force is applied, the handrail support column 8 can be supported relatively firmly.
In addition, even when the frame-shaped member 20 is disposed away from the lower end fixing member 10, the step-shaped engagement portions 17 and 23 also have an appearance like a step portion provided from the viewpoint of a design shape, The appearance can be made difficult. Furthermore, in the present embodiment, the engaging portions (stepped engaging portions) 17 and 23 of the lower end fixing member 10 and the frame-like member 20 are provided on the back side portions 16 and 22, respectively. Can be more inconspicuous.

  Moreover, in this embodiment, the connection part and attachment part of the frame-shaped member 20 are used as the combined insertion hole 24 through which the stopper 9 is inserted, and the connection part of the lower end fixing member 10 is frame-shaped on the side peripheral part 14. The stopper hole 18 communicates with the insertion hole 24 in a state in which the member 20 is in contact therewith. Therefore, compared with the case where the connection part which connects the frame-shaped member 20 to the lower end fixing member 10 and the attachment part which attaches the frame-shaped member 20 to the tread board 3 are provided separately, it becomes a simple structure and improves appearance. Can do. Moreover, since the insertion hole 24 as a connection part of the frame-shaped member 20 can be connected to the stopper hole 18 as a connection part of the lower end fixing member 10, and these can be connected by the stop 9, for example, a connection metal fitting etc. Therefore, the structure can be simplified as compared with the case of connecting with each other.

Furthermore, in this embodiment, the fastener hole 18 of the lower end fixing member 10 and the insertion hole 24 of the frame-like member 20 are formed in the vertical direction, and the fastener 9 inserted through the insertion hole 24 of the frame-like member 20. Thus, it can be attached to the lower surface 3b of the upper tread plate 3. Therefore, the fastener 9 for attaching the frame-shaped member 20 to the upper tread 3 can be made inconspicuous, and the appearance can be improved.
Furthermore, in this embodiment, a fastener hole 18 as a connecting portion of the lower end fixing member 10 and an insertion hole 24 as a connecting portion and an attaching portion of the frame-like member 20 are provided in the respective back side portions 16 and 22. So you can make them less noticeable.

In the above example, the handrail 6 is supported by the main pillar 7 and the handrail support column 8. However, the handrail 6 is supported by the plurality of handrail support pillars 8 without providing the main pillar 7. Also good. That is, the handrail support column 8 may be attached to the lower floor side end portion of the handrail 6 of the staircase portion instead of the main pillar 7. In this case, the lower end side of the handrail support column 8 is set as an attachment target by the lower end fixing member 10 fixed to the floor surface of the lower floor and the frame-like member 20 attached to the step board 3 located on the upper stage side. You may make it attach to the floor surface of a lower floor, and the tread 3 of the upper stage side.
Further, instead of the main pillar 7, a handrail support column 8 may be attached to the upper floor side end of the handrail 6 of the staircase and the lower floor side end of the handrail 6 of the landing area. In this case, you may make it attach the lower end side of this handrail support | pillar 8 to the upper surface 5a of the landing 5 using the handrail support | pillar attachment 1 similarly to the handrail support | pillar 8 arrange | positioned in the above-mentioned landing 5.

Moreover, although the example mentioned above has shown the example which attached the handrail support | pillar 8 to the upper surface 3a of the footboard 3, or the upper surface 5a of the landing 5 using the handrail support | pillar attachment tool 1 which concerns on this embodiment, the floor surface of an upper floor Or you may make it attach to the floor surface of an atrium part.
Moreover, in the above-described example, the handrail support column 8 whose cross section has a substantially rectangular shape is illustrated, but the cross section has a substantially circular shape, a substantially elliptical shape, a substantially trapezoidal shape, and a substantially parallelogram. It is good also as a handrail support | pillar made into the shape etc. In this case, the shape of the recess 11 of the lower end fixing member 10 of the handrail post mounting tool 1 and the shape of the post hole 21 of the frame-like member 20 may be changed according to the outline shape of the handrail post 8.
In the above example, the lower end fixing member 10 and the frame-like member 20 are shown as being substantially rectangular in plan view. However, when viewed in plan, they are substantially circular, oval, or trapezoidal. Alternatively, a substantially parallelogram shape may be used.

Further, in this embodiment, a stepped engagement portion 17 that protrudes from the other portion is provided on the rear side portion of the rear side portion 16 of the lower end fixing member 10, and the rear side portion of the rear side portion 22 of the frame-like member 20 is provided. However, the present invention is not limited to such a mode. For example, a stepped engagement part that is recessed from the other part is provided in the rear side part of the rear side part 16 of the lower end fixing member 10, and the rear side part of the rear side part 22 of the frame-like member 20 is more than the other part. A protruding stepped engagement portion may be provided. Even in such a mode, the same effects as described above can be obtained.
Moreover, as an engaging part of the lower end fixing member 10 and the frame-shaped member 20, it is not restricted to the aspect which provided such a step-like engaging part in each. For example, an engagement protrusion or engagement protrusion is provided on one of the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10 and the lower surface portion of the frame-like member 20, and the engagement protrusion or engagement protrusion is fitted on the other. It is good also as an aspect which provided the engagement groove and the engagement recessed part. As such an engaging portion, the lower end fixing member 10 and the frame-like member 20 that are engaged with each other and connected to each other are prevented from moving in the horizontal plane direction direction (around the handrail support column 8). It is good also as a possible structure.

  Further, the engaging portion as described above may not be provided on the lower end fixing member 10 and the frame-shaped member 20. That is, the upper surface portion of the side peripheral portion 14 of the lower end fixing member 10 and the lower surface portion of the frame-shaped member 20 may be substantially flat surfaces. Even in such a case, the frame-shaped member 20 is inserted so that the handrail column 8 is fitted into the column hole 21 and can be coupled to the lower end fixing member 10 by the coupling portions 18 and 24. It is possible to suppress the displacement of 20 positions. In addition, when the outline of the cross-sectional shape of the handrail support column 8 is a perfect circle, the connecting portions 18 and 24 that connect the lower end fixing member 10 and the frame-shaped member 20 may be provided at a plurality of locations.

Moreover, in this embodiment, although the connection part and attachment part of the frame-shaped member 20 were used as the combined insertion hole 24 through which the stopper 9 is inserted, it is good also as an aspect which provides a dedicated insertion hole in each. Further, in the present embodiment, the frame-like member 20 can be attached to the lower surface 3b of the upper step board 3, but may be attached to the upper surface 3a and the front end surface of the upper step plate 3. In this case, the frame-shaped member 20 may be appropriately provided with an attachment piece provided with an insertion hole.
Moreover, in this embodiment, although the connection part of the frame-shaped member 20 was made into the insertion hole 24, and the connection part of the lower end fixing member 10 was made into the fastener hole 18, these were connected with the fastener 9, However, Such an aspect Not limited to. You may make it each provide the connection part which can be fixed with respect to the lower end fixing member 10 in the state which made the frame-shaped member 20 contact | abut to the upper surface part of the side peripheral part 14 of the lower end fixing member 10. FIG. For example, one of the lower end fixing member 10 and the frame-like member 20 may be provided with a fastener metal fitting as a connecting portion, and the other may be provided with a hanging arm or the like that is hooked on the metal fitting as a connecting portion. .

DESCRIPTION OF SYMBOLS 1 Handrail support | pillar attachment tool 10 Lower end fixing member 11 Concave part 12 Bottom part 13 Insertion hole 14 Side periphery part 17 Step-like engagement part (engagement part)
18 Stopper hole (connection part)
20 Frame-like member 23 Stepped engagement portion (engagement portion)
24 Insertion hole (connecting part, mounting part)
2 Stairs 3 Treads 3a Top surface of the treads 3b Bottom surface of the treads 5a Top surface of the landing (floor surface)
8 Handrail support 8a Lower end 9 Stopper

Claims (5)

A lower end fixing member that is provided with a recessed portion that opens upward and into which the lower end portion of the handrail post is fitted, and is fixed to the upper surface or floor surface of the stair tread;
A frame-shaped member that surrounds the handrail post, and a frame-shaped member that can freely come into contact with and separate from an upper surface portion of a side peripheral portion of the lower end fixing member that surrounds a lower end portion of the handrail post.
The lower end fixing member and the frame-like member are provided with a connecting portion that connects the lower end fixing member and the frame-like member in contact with each other, and the lower end fixing member is spaced apart from the lower end fixing member. A handrail post mounting tool provided with a mounting portion to be mounted on a tread plate located on the upper side of a member. In claim 1,
The lower end fixing member and the frame-shaped member have a shape in which the side circumferential surfaces of the lower end fixing member and the frame-shaped member are substantially flush with each other.
A handrail strut mounting tool having a stopper insertion hole for fixing the lower end fixing member to an upper surface or a floor surface of the tread board at a bottom portion of the concave portion of the lower end fixing member. In claim 1 or 2,
The handrail support | pillar attachment tool provided with the engaging part which mutually engages in the upper surface part of the side peripheral part of the said lower end fixing member, and the lower surface part of the said frame-shaped member. In any one of Claims 1 thru | or 3,
The connecting portion and the attachment portion of the frame-shaped member are a combined insertion hole through which a stopper is inserted,
The handrail column attachment tool, wherein the connecting portion of the lower end fixing member is a stopper hole that communicates with the insertion hole of the frame-shaped member in a state where the frame-shaped member is in contact with the side peripheral portion. In claim 4,
The stopper hole of the lower end fixing member and the insertion hole of the frame-shaped member are formed in the vertical direction, and the frame-shaped member is formed on the lower surface of the upper tread by the stopper inserted through the insertion hole. A handrail post mounting tool characterized by being mountable.

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