JP3445972B2 - Handrail bracket - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail bracket for attaching a handrail to stairs, corridors, toilets, entrances and the like.

[0002]

2. Description of the Related Art Conventionally, among handrail brackets, for example, one shown in FIG. 12 is known (see Utility Model Registration No. 3070830). This handrail bracket A is provided with a holder 1 and a mounting rod 2, and is a cavity in which the rear end side of the mounting rod 2 is slidably fitted from the front into the holder 1 whose rear end side is attached to a wall surface by a screw 3 or the like. 4 is provided to fit the rear end side of the mounting rod 2 in the cavity 4, and a means (fixing screw) 5 for fixing the mounting at an arbitrary position in the cavity 4 is provided in the hold 1, and the tip of the mounting rod 2 is provided with a handrail. The rod 6 is attached.

When the handrail bracket A is used, first, the rear ends of a plurality of holders 1 are attached to predetermined positions such as a wall surface with screws 3 or the like. Then, the handrail rod 6 is attached to the tip of each attachment rod 2. And each handrail bar 6
After adjusting to a predetermined position, each mounting rod 2 is fixed in each holder 1 by means (fixing screw) 5 for fixing the mounting rod 2.

[Problems to be Solved by the Invention]

However, the above-mentioned conventional handrail bracket A
Has a structure for fixing the mounting rod 5 by pressing the fixing means (fixing screw) 5 against the outer peripheral surface of the mounting rod 2,
For example, even if the fixing means (fixing screw) 5 is loosened slightly due to vibrations that occur on a daily basis, the fixing force with respect to the mounting rod 2 may decrease, and the mounting rod 2 may easily come off the holder 1.

Further, from an aesthetic point of view, it is desirable that the fixing means (fixing screw) 5 be located at a position where it is not touched by human eyes as much as possible, but in this respect, the conventional handrail bracket A
When fixing the holder 1, it was necessary to perform work so that the fixing means (fixing screw) 5 was located on the outer periphery of the lower portion of the holder 1, and the fixing work was troublesome.

In addition to this, in the handrail bracket of the type including the holder 1 and the mounting rod 2 like the conventional handrail bracket A, the mounting rod 2 is tilted in the rotational direction with respect to the holder 1. If it can be installed, it is possible to easily cope with the case where a handrail is installed in an inclined place such as a staircase. Therefore, there is an increasing demand from such a viewpoint.

Therefore, the present invention was devised in view of the above-mentioned circumstances, and the mounting arm for mounting the handrail rod is firmly mounted so that it cannot easily be accidentally removed, and the mounting work of the mounting arm is easily performed. (EN) Provided is a handrail bracket which can be installed and which can easily install a handrail according to a mounting location.

[Means for Solving the Problems]

In order to achieve the above object, the handrail bracket according to the present invention employs the following means.

That is, the handrail bracket according to claim 1 is, for example, as shown in the following embodiments, a base member attached to a surface to be attached and a cover member attached to and covering the base member. When, with the arm member exhibiting a side view L-shaped base end portion is fitted to the cover member through into the fitting portion of the base member, wherein
Base members are centered for use with different mounting surfaces
Through the bolt hole and another mounting hole around it.
A plurality of screw holes provided, wherein the arm member is relief recess on an outer peripheral surface of the proximal end portion which opens at the rear end provided with an annular groove that
Is provided inside, the base end portion is rotatably provided in the fitting portion of the base member, and the arm is fixed by a fixing member that penetrates the outer periphery of the fitting portion of the base member and bites into the annular groove. Horizontally long with a handrail attached to the tip of the member
Is provided with a receiving seat having a T-shape in plan view .

According to this means, for example, when a handrail is installed on a concrete wall surface, the bolt hole at the center of the base member is screwed into the anchor bolt driven into the concrete wall surface. In this case, the anchor bolt enters the escape recess at the rear end of the arm member. In addition, for example, when installing a handrail on a wooden wall surface, wood screw mounting holes around the bolt holes of the base member are used. Next, the arm member is fixed by the fixing member that bites into the annular recess, and the tip of the fixing member is locked to the step of the annular recess to prevent the arm member from coming off. Further, the fixing member that penetrates the outer periphery of the fitting portion is inside the cover member and is not exposed to the outside. Further, when attaching the handrail to an inclined place such as stairs , the arm member is tilted in the rotational direction with respect to the base member so that the receiving seat is along the installation line of the attachment rod .

A handrail bracket according to a second aspect of the present invention is, for example, as shown in the following illustrated embodiments, in the handrail bracket according to the first aspect, a plurality of annular concave grooves are provided on the outer peripheral surface of the base end portion of the arm member. It is characterized by being provided.

According to this means, the length of the arm member is adjusted by selecting one annular groove and fixing the arm member.

[0013] handrail bracket according to claim 3, for example, as shown in the following illustration embodiment, also claim 1
(2) The handrail bracket described in ( 2) is characterized in that flat portions are provided in pairs on the outer peripheral surface of the fitting portion of the base member.

According to this means, for example, when a handrail is installed on a concrete wall surface, the base member is screwed to one end side of the anchor bolt driven into the concrete wall surface, and then the flat portion is used to further tighten it with a hand tool or the like. Fix it.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a handrail bracket according to the present invention will be described below in detail with reference to the drawings.

FIGS. 1 to 10 show an embodiment of a handrail bracket according to the present invention. FIG. 1 is an exploded perspective view of the handrail bracket, and FIG. 2 shows a state in which the handrail is installed on stairs. FIG. 3 is a partially enlarged sectional view of FIG. 2, FIG. 4 is an explanatory view of a handrail installation state, and FIGS. 5 to 10 are views of respective constituent members of the handrail bracket. The handrail bracket B according to the present invention includes a base member 10 attached to a mounting surface, a cover member 20 attached to the base member 10 to cover the base member 10, and the base member penetrating the cover member 20. This is a configuration including an arm member 30 whose proximal end is fitted to the fitting portion of 10.

The base member 10 has a flat plate portion 11 as shown in FIGS. 1, 5 and 6. The flat plate portion 11 is slightly thin and has a circular shape, and is formed by penetrating a bolt hole 13 which is a mounting hole in the central portion, and a plurality of other mounting holes are provided around the bolt hole 13 as a center. 14 holes for screws
Is provided. On the back surface of the flat plate portion 11, an annular cutout portion 12 is provided by cutting out the outer circumference in an annular shape. On the other hand, the flat plate portion 1
On the surface of 1, a boss-shaped fitting portion 16 is integrally raised around the bolt hole 13 around the hole 13. The fitting portion 16 has a short tubular shape, and a screw hole 17 of a fixing member is provided through the outer peripheral surface in the diametrical direction, and a pair of flat surface portions 18 having a flat outer periphery are provided. Such a base member 10 can be formed mainly of a metal material such as stainless steel or a resin material.

Next, as shown in FIGS. 1, 7, and 8, the cover member 20 has a bowl shape whose diameter gradually decreases toward the flat top surface, and the arm member is provided at the center of the flat top surface. Three
A through hole 21 of 0 is provided, and a locking projection 22 that projects inwardly is provided in a part of the outer periphery of the lower end portion. Like the base member 10, the cover member 20 as described above can be formed mainly of a metal material such as stainless steel or a resin material.

Next, as shown in FIGS. 1, 9, and 10, the arm member 30 has an L shape in a side view by bending the base end portion 31 slightly longer than the tip end portion 32 and bending the middle portion at a substantially right angle. At the same time, the receiving seat 33 of the handrail 70 is integrally formed in the distal end portion 32 in a horizontally long shape so as to form a T shape in a plan view.
The base end portion 31 of the arm member 30 is provided with a single annular recess groove 34 on the outer peripheral surface thereof, and an escape recess portion 35 opening to the rear end is provided inside. The receiving seat 33 of the arm member 30 has an upper surface formed in a predetermined curved surface shape, and four screw holes 36 are provided at predetermined intervals in the length direction. Similar to the base member 10 and the cover member 20, the arm member 30 can be formed mainly of stainless steel or other metal material or resin material.

In FIG. 1, reference numeral 40 indicates a packing, and reference numeral 50 indicates a fixing screw which is a fixing member.

However, when the handrail bracket B according to the present invention is used to install the handrail on the concrete wall surface to be attached, for example, the handrail rod 70 is attached as described below. In the state, the state shown in FIGS. 2 and 3 is obtained.

First, as shown in FIG. 3, a predetermined number of anchor bolts 60 are driven into and attached to a concrete wall one after another. Next, the bolt holes 13 of the base member 10 are aligned and screwed to the anchor bolts 60 via the packing 40. In the screwing of each base member 10, the flat portion 18 of the base member 10 is used after being screwed by hand, and the base member 10 is firmly fixed by being screwed more strongly by, for example, a manual tool. On the other hand, each arm member 30
The handrail bar 70 is put on the receiving seat 33 of the arm member 30 and a screw (not shown) is screwed into the screw hole 36 of the receiving seat 33.
And the handrail 70 are fixed. Then, the cover member 20
Through the through hole 21 of the base member 31 of the arm member 30 from the top side.
After inserting, the base end portion 31 of the arm member 30 is rotatably fitted in the fitting portion 16 of the base member 10. At this time, the tip of the anchor bolt 60 enters the escape recess 35 of the base end 31 of the arm member 30. And the base member 1
The fixing screw 50 is screwed into the screw hole 17 of No. 0, and further the fixing screw 50 is made to bite into the annular groove 34 so that the arm member 30
To fix. Finally, when the lower end of the cover member 20 is pushed into the outer periphery of the flat plate portion 11 of the base member 10, the locking protrusion 22
Is engaged with the annular notch step portion 12 to complete the assembly.

As shown in FIG. 2, when the handrail is installed in an inclined place such as stairs, the base member 10
By mounting the arm member 30 inclining in the rotational direction with respect to the handrail rod 70, the armrest 30 is received along the installation line of the handrail rod 70.
3 can be easily located. That is, FIG.
The middle and a postures show the case where it is installed on a flat place, and the b posture shows the case where it is installed on the left side of the inclined place.
The posture of C shows the case where the arm member 30 is installed on the right side of the inclined place, and the arm member 30 can be attached while being inclined in either the left or right rotation direction.

Handrail bracket B attached in this way
Fixes the arm member 30 with the fixing screw 50 that bites into the annular groove 34, and the fixing screw 50 locks and fixes the stepped portion of the annular groove 34, so that the fixing screw 50 is caused by, for example, vibration that occurs on a daily basis. Even if the arm member 30 is slightly loosened and the fixing force is lowered, the arm member 30 is prevented from coming off and the arm member 30 does not accidentally come off from the base member 10.

In addition, since the fixing screw 50 is hidden inside the cover member 20, the handrail bracket B after mounting should be mounted without considering the mounting position of the fixing member 50 when mounting the base member 10. It can be done easily.

In the above-described embodiment, the arm member 30 is provided with a single annular groove 34.
However, the present invention is not limited to this, and although not shown, the arm member 30 may be provided with a plurality of annular concave grooves 34 at predetermined intervals in the axial direction. With such a configuration, for example, when the wall surface has irregularities, one of the annular concave grooves 34 is selected and attached to adjust the length of the arm member 30 to cope with the uneven state of the wall surface or the like. The handrail bars 70 can be attached in a well-arranged arrangement.

Further, the arm member 30 is not limited to the above-described one embodiment, and usually, an arm member 30 having a slightly short horizontally long receiving seat 33 as shown in FIG. 10 is usually used. .

Further, in the above-described embodiment, the case where the handrail is installed on the concrete wall surface has been described. However, the present invention is not limited to this, and can be applied to a case where a handrail is installed on a wooden wall surface or the like. When installing a handrail on a wooden wall surface, a screw (not shown) is used in place of the anchor bolt 60, and the base member 10 is fixed by screwing the screw into the screw hole 14. Since it is the same as that of the above-described embodiment, detailed description thereof will be omitted.

[0029]

As described above, in the handrail bracket of the present invention, since the arm member can be tilted in the rotational direction with respect to the base member , the receiving seat is arranged in line with the installation line of the mounting rod. Thus, for example, when attaching a handrail to an inclined place such as a staircase, the receiving seat can be formed in a T shape that is horizontally long along the installation line, and can be easily performed when attaching the handrail to an inclined place such as a staircase. it can.

[0030] In addition, handrail brackets of the present invention, since the base member providing an attachment hole to be used according to the installation surface of the heterogeneous individually, the handrail for example the concrete wall
When installing it, the
Thread the bolt hole in the center of the base member onto the car bolt.
Can be used as an anchor bolt in this case.
It can be inserted into the relief recess at the rear end of the arm member,
For example, when installing a handrail on a wooden wall,
Use the wood screw mounting holes around the bolt holes
Can be used.

In addition, in the handrail bracket of the present invention, the length of the arm member is adjusted by selecting and fixing one of the plurality of annular concave grooves, so that the handrail can be used even if the wall surface is uneven. The rods can be mounted in a lined up arrangement.

In addition, since the handrail bracket of the present invention is provided with a pair of flat portions on the outer peripheral surface of the fitting portion of the base member, it is possible to use this flat portion to easily perform robust mounting with a hand tool or the like. It can be carried out.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a handrail bracket according to an embodiment of the present invention.

FIG. 2 is a partial perspective view showing a state where handrails are installed on stairs using the handrail bracket of FIG.

FIG. 3 is an enlarged cross-sectional view of a part of FIG.

FIG. 4 is an explanatory view showing a state where handrails are installed on a flat place and an inclined place.

5 is a front view of the base member of FIG. 1. FIG.

6 is a cross-sectional view taken along the line AA of FIG.

7 is a front view of the cover member of FIG. 1. FIG.

8 is a cross-sectional view taken along the line BB of FIG.

9 is a side view of the arm member of FIG. 1. FIG.

FIG. 10 is a front view of the arm member of FIG.

FIG. 11 is a front view of a modification of the arm member shown in FIG.

FIG. 12 is an explanatory diagram of a conventional handrail bracket.

[Explanation of symbols]

B handrail bracket 10 Base member 11 Flat plate 13 bolt holes 14 Screw hole 16 Fitting part 17 screw holes 18 Plane 20 cover member 21 through holes 22 Locking protrusion 30 arm members 31 base end 32 Tip 33 Recession 34 annular groove 35 escape recess 40 packing 50 fixing member 70 handrail

Claims (3)

(57) [Claims] 1. A base member attached to a surface to be attached, a cover member attached to the base member and covering the base member, and a base end portion fitted into a fitting portion of the base member penetrating the cover member. The base member has an L-shaped side view to be fitted together, and the base member has a plurality of bolt holes at its center and another bolt hole at its periphery for use according to different attachment surfaces. A plurality of screw holes are provided, the arm member is provided with an annular concave groove on the outer peripheral surface of the base end portion, and an escape recess opening at the rear end is provided inside, and the base end portion is fitted to the base member. The base member is rotatably provided, is fixed by a fixing member that penetrates the outer periphery of the fitting portion of the base member and bites into the annular recessed groove, and a receiving seat for attaching a handrail bar is provided at the tip of the arm member. Handrail bracket featuring. 2. The handrail bracket according to claim 1, wherein a plurality of annular recessed grooves are provided on the outer peripheral surface of the base end portion of the arm member. 3. The handrail bracket according to claim 1 or 2, wherein flat surfaces are provided in pairs on the outer peripheral surface of the fitting portion of the base member.