JP2002180632A - Handrail bracket - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail bracket capable of firmly mounting a fixing arm of a handrail bar, simplifying the mounting work of the fixing arm, and easily fastening a handrail according to a mounting place. SOLUTION: This handrail bracket B comprises a base member 10 mounted on a concrete wall face, a wood wall face or the like, a cover member 20 mounted on the base member 10 for covering the same, and an arm member 30 fitted to an fitting part 16 of the base member 10 while penetrated through the cover member 20 at its basic end part, an annular recessed groove 34 is formed on an outer peripheral face of a basic end part 31 of the arm member 30, and the basic end part 31 is rotatably fitted to the fitting part 16 of the base member 10, and stopped and fixed by a fixing screw 50 engaged with the annular recessed groove 34 through an outer periphery of the engagement part 16 of the base member 10. The arm member 30 is mounted while inclined in the rotating direction at a sloped place such as stairs.

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 handrails to stairs, corridors, toilets, entrances and the like.

[0002]

2. Description of the Related Art Conventionally, a handrail bracket as shown in FIG. 12 has been known (see Japanese Utility Model Registration No. 3070830). This handrail bracket A includes a holder 1 and a mounting rod 2, and the rear end side of the mounting rod 2 is slidably fitted from the front to the holder 1, the rear end of which is mounted on a wall or the like with screws 3 or the like. A means (fixing screw) 5 for fixing the mounting at an arbitrary position in the cavity 4 is provided in the holder 1, and a handrail is attached to the tip of the mounting rod 2. The rod 6 is attached.

When using the handrail bracket A, first, the rear ends of the plurality of holders 1 are respectively attached to predetermined positions on a wall surface or the like with screws 3 or the like. Then, the handrail bar 6 is attached to the tip of each mounting bar 2. And each handrail bar 6
Is adjusted to a predetermined position, and 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-described conventional handrail bracket A
Is a structure in which the fixing rod 5 is fixed 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 slightly loosened due to vibration or the like that occurs daily, the fixing force to the mounting rod 2 may be reduced and the mounting rod 2 may be easily detached from the holder 1.

Further, from an aesthetic point of view, it is desirable that the fixing means (fixing screw) 5 is located at a position which is invisible to human eyes as much as possible.
In order to fix the holder 1, it is necessary to work so that the fixing means (fixing screw) 5 is located on the outer periphery of the lower part of the holder 1, and the fixing work is troublesome.

In addition to this, in a handrail bracket of the type composed of two members, a holder 1 and a mounting rod 2, like a conventional handrail bracket A, the mounting rod 2 is inclined in the rotation direction with respect to the holder 1. If the handrails can be attached, for example, it is possible to easily cope with a case where the handrail is installed on an inclined place such as a staircase.

In view of the above, the present invention has been made in view of the above-mentioned circumstances, and a mounting arm to which a handrail bar is to be mounted is rigidly mounted so that it is difficult to be inadvertently detached, and the mounting operation of the mounting arm is easily performed. It is an object of the present invention to provide a handrail bracket which can be installed easily according to the mounting location.

[Means for Solving the Problems]

To achieve the above object, a handrail bracket according to the present invention employs the following means.

That is, the handrail bracket according to the first aspect of the present invention has a base member attached to a surface to be attached and a cover member attached to the base member to cover the same, as shown in the following embodiments, for example. And an arm member which penetrates the cover member and has a base end fitted into the fitting portion of the base member, wherein an annular groove is provided on the outer peripheral surface of the base end of the arm member. A portion is rotatably provided in the fitting portion of the base member and 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, and a handrail bar is provided at a tip of the arm member. It is characterized by having a receiving seat for attachment.

According to this means, the arm member is fixed by the fixing member that bites into the annular concave portion, and the distal end of the fixing member is locked to the step of the annular concave portion to prevent the arm member from falling off. Further, the fixing member penetrating the outer periphery of the fitting portion is inside the cover member and is not exposed to the outside. When attaching a handrail to an inclined place such as a staircase, for example, the arm member is inclined in the rotation direction so that the receiving seat follows the installation line of the mounting rod.

According to a second aspect of the present invention, there is provided a handrail bracket according to the first embodiment, wherein a plurality of annular grooves are provided on an outer peripheral surface of a 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.

According to a third aspect of the present invention, there is provided a handrail bracket according to the first or second aspect of the present invention, wherein the base member is used in accordance with a different surface to be attached. It is characterized in that mounting holes are individually provided.

According to this means, for example, when a handrail is installed on a concrete wall surface, a mounting hole for an anchor bolt driven into the concrete wall surface is used. For example, when installing a handrail on a wooden wall surface, a mounting hole for a wood screw is used.

The handrail bracket according to claim 4 is, for example, as shown in the following embodiments shown in the drawings.
In the handrail bracket according to any one of the above, a pair of flat portions is provided 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 further firmly tightened with a manual tool or the like using a flat portion. Fix it.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a handrail bracket according to the present invention will be described 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 the stairs. 3 is an enlarged cross-sectional view of a part of FIG. 2, FIG. 4 is an explanatory view of a handrail installation state, and FIGS. 5 to 10 are views of each component of the handrail bracket. The handrail bracket B according to the present invention includes a base member 10 attached to a surface to be attached, a cover member 20 attached to and covering the base member 10, and a base member penetrating the cover member 20. This is a configuration including an arm member 30 whose base end is fitted to the fitting portion 10.

The base member 10 has a flat plate portion 11, as shown in FIGS. The flat plate portion 11 has a somewhat thin and circular shape, and is provided at a center portion thereof through a bolt hole 13 serving as a mounting hole. A plurality of mounting holes around the bolt hole 13 are provided. Screw holes 14
Is provided. An annular notch 12 is provided on the back surface of the flat plate portion 11 by cutting the outer periphery into an annular shape. On the other hand, the flat plate portion 1
On the surface of the boss 1, a boss-shaped fitting portion 16 is integrally raised around the bolt hole 13 around the bolt hole 13. The fitting portion 16 has a short cylindrical shape, and has a screw hole 17 of a fixing member penetrating in the diametrical direction on the outer peripheral surface thereof, and a pair of flat portions 18 whose outer periphery is cut flat. Such a base member 10 can be formed mainly of stainless steel or another metal material or resin material.

Next, as shown in FIGS. 1, 7, and 8, the cover member 20 has a bowl-like shape whose diameter gradually decreases as it reaches the flat top surface, and an arm member is provided at the center of the flat top surface. 3
No through hole 21 is provided, and a locking projection 22 that projects slightly inward is provided on a part of the outer periphery of the lower end. Like the base member 10, such a cover member 20 can be formed mainly of stainless steel or another metal material or resin material.

Next, as shown in FIGS. 1, 9 and 10, the arm member 30 has a base end 31 slightly longer than the front end 32 and bends the middle substantially at a right angle to form an L shape in side view. At the same time, the receiving seat 33 of the handrail bar 70 is integrally formed in the front 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 concave groove 34 on the outer peripheral surface, and a relief concave portion 35 opening at the rear end is provided inside. The receiving seat 33 of the arm member 30 has an upper surface formed in a predetermined curved shape, and is provided with four screw holes 36 at predetermined intervals in the length direction. Like the base member 10 and the cover member 20, such an arm member 30 can be formed mainly of stainless steel or another metal material or resin material.

In FIG. 1, reference numeral 40 denotes a packing, and reference numeral 50 denotes a fixing screw as a fixing member.

Now, for example, when a handrail is to be installed on a concrete wall surface to be mounted using the handrail bracket B according to the present invention, the handrail bar 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 sequentially driven into the concrete wall surface and attached. Next, the bolt holes 13 of the base member 10 are aligned and screwed to the respective anchor bolts 60 via the packing 40. In the screwing of each base member 10, after the screw is manually screwed, the base member 10 is fixed more firmly by using the flat portion 18 of the base member 10 by, for example, a manual tool. On the other hand, each arm member 30
A handrail bar 70 is placed 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 to
And the handrail bar 70 are fixed. Then, the cover member 20
The base end 31 of the arm member 30 is inserted into the through hole 21 from the top surface side.
Is inserted, the base end 31 of the arm member 30 is rotatably fitted into the fitting portion 16 of the base member 10. At this time, the distal end 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 the arm member 30, and the fixing screw 50 is further cut into the annular groove 34, so that the arm member 30.
Is fixed. 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 projection 22
Engages with the annular notch step 12 to complete the assembly.

As shown in FIG. 2, when the handrail is installed on an inclined place such as a staircase, the base member 10 is used.
When the arm member 30 is attached in an inclined manner in the rotation direction with respect to the
3 can be easily positioned. That is, FIG.
In the middle, the posture of a shows the case where it is installed on a flat place, the posture of b shows the case where it is installed on the left side of an inclined place,
The posture of C indicates a case where the arm member 30 is installed on the right side of the inclined place, and the arm member 30 can be attached by being inclined in one of the right and left rotation directions.

The handrail bracket B thus attached
Since the arm member 30 is fixed with the fixing screw 50 that cuts into the annular groove 34 and the fixing screw 50 is locked and fixed to the step portion of the annular groove 34, the fixing screw 50 is The arm member 30 is prevented from coming off from the base member 10 carelessly even if the fixing member is slightly loosened and the fixing force is reduced.

Further, since the fixing screw 50 is hidden inside the cover member 20 in the handrail bracket B after the mounting, the mounting operation must be performed without considering the mounting position of the fixing member 50 when mounting the base member 10. Work 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. Although not shown, the arm member 30 may be provided with a plurality of annular grooves 34 at predetermined intervals in the axial direction. With such a configuration, for example, in the case where the wall surface or the like has irregularities, one of the annular grooves 34 is selected and attached to adjust the length of the arm member 30 to cope with the irregular state of the wall surface or the like. The handrail bars 70 can be mounted in a well-arranged arrangement.

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

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, for example, 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 instead of the anchor bolt 60, and the base member 10 is screwed into the screw hole 14 and fixed. Are the same as those in the above-described embodiment, and a detailed description thereof will be omitted.

[0031]

As described above, according to the handrail bracket of the present invention, the arm member is fixed by the fixing member that cuts into the annular groove, and the fixing member is locked to the step of the annular groove. Even if the fixing member is slightly loosened due to vibration or the like and the fixing force is reduced, the arm member is prevented from being accidentally detached from the base member and a highly safe and robust handrail bracket is provided. can do.

In the handrail bracket according to the present invention, the fixing member exposed on the outer periphery of the fitting portion is hidden by the cover member and cannot be seen from the outside, so that it is not necessary to attach the base member in consideration of the position of the fixing member. Thus, workability can be improved.

Further, in the handrail bracket of the present invention, the receiving seat can be arranged in accordance with the installation line of the mounting rod by tilting the arm member in the rotation direction, so that the handrail can be easily mounted on an inclined place such as a staircase. It can be carried out.

In addition, in the handrail bracket of the present invention, when one of the plurality of annular concave grooves is selected and fixed, the length of the arm member is adjusted. The rods can be mounted in a well-arranged arrangement.

In addition, since the handrail bracket of the present invention is provided with a mounting hole for use in accordance with a different surface to be mounted on the base member, the handrail bracket can be easily mounted according to a concrete wall surface or a wooden wall surface. .

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 easily mount the handrail with a manual tool or the like using the flat portions. It can be carried out.

[Brief description of the 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 in which a handrail is installed on a stair using the handrail bracket of FIG. 1;

FIG. 3 is an enlarged sectional view of a part of FIG. 2;

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

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

FIG. 6 is a sectional view taken along line AA of FIG. 5;

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

FIG. 8 is a sectional view taken along line BB of FIG. 7;

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

FIG. 10 is a front view of the arm member of FIG. 9;

FIG. 11 is a front view of a modified example of the arm member shown in FIG. 1;

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

[Explanation of symbols]

 B Handrail bracket 10 Base member 11 Flat plate part 13 Bolt hole 14 Screw hole 16 Fitting part 17 Screw hole 18 Flat part 20 Cover member 21 Through hole 22 Locking convex part 30 Arm member 31 Base end part 32 Tip part 33 Receiving Seat 34 Annular groove 35 Escape recess 40 Packing 50 Fixing member 70 Handrail bar

Claims (4)

[Claims] 1. A base member attached to a surface to be attached, a cover member attached to the base member to cover the base member, and a base end portion fitted into a fitting portion of the base member through the cover member. An arm member to be fitted, an annular concave groove provided on an outer peripheral surface of a base end portion of the arm member, the base end portion being rotatably provided in a fitting portion of the base member, and a fitting portion of the base member. A handrail bracket which is fixed by a fixing member which penetrates the outer periphery of the armature and bites into the annular groove, and a receiving seat for attaching a handrail bar is provided at a tip of the arm member. 2. The handrail bracket according to claim 1, wherein a plurality of annular concave grooves are provided on an outer peripheral surface of a base end portion of the arm member. 3. The handrail bracket according to claim 1, wherein the base member is provided with a mounting hole for use in accordance with a different surface to be mounted. 4. The handrail bracket according to claim 1, wherein a pair of flat portions is provided on an outer peripheral surface of the fitting portion of the base member.