JP2001081929A - Mounting structure for handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the mounting structure for a handrail, in which the handrail can be installed additionally at a low cost by little labor because a wall material need not be stuck again when the handrail is to be constructed additionally along existing corridor and stair. SOLUTION: A wall surface 3 is cut along a section, to which the handrail must be installed, and a groove 4 is formed. A rail material 5 is fitted and mounted into the groove 4. Rail grooves 17a, 17b along the longitudinal direction are formed to the upper and lower sections of the rail material 5. A bracket 2 can be slid and moved in the lateral direction along the rail grooves 17a, 17b under the state in which the bracket 2 is assembled and loaded temporarily on the rail material 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for attaching a handrail to a wall such as a corridor or a staircase.

[0002]

2. Description of the Related Art In recent years, as the elderly population has increased, it has been recommended that houses and the like be barrier-free, and handrails are additionally constructed on existing corridors, stairs, and the like. When installing a handrail on a wall surface such as a corridor or a staircase, a handrail bracket is generally used. When additional handrails were to be constructed, all the wall material was peeled off, and after hitting a cap on the base of the wall, the wall material was re-stretched, the bracket was fixed to the cap, and a handrail bar was attached to the bracket.

[0003]

However, in this construction mode, it is necessary to clarify the position of the wall base material, it is necessary to remove all of the wall material, fix the cap, and then replace the wall material again. As a result, much labor is required for the construction, and the cost required for constructing the handrail increases. In addition, the appearance becomes worse because the Kasagi protrudes.

[0004] An object of the present invention is to eliminate the need to replace the wall material when adding a handrail to an existing corridor or staircase.
Accordingly, an object of the present invention is to make it possible to additionally install handrails with little effort and at low cost.

[0005]

The handrail mounting structure of the present invention comprises a rail member 5 which is fitted into a groove 4 formed by cutting a wall member 3 and is fastened and fixed to a wall base 14; And a bracket 2 to be fitted and mounted from the front surface thereof. The rail member 5 includes a base portion 16 fixed to the wall base 14 with a screw 15 or the like, an upper rail groove 17a provided above and below the base portion 16 and opening downward and a lower rail groove 17b opening upward. A pair of hanging portions 18 for partitioning
・ 19 is provided. The bracket 2 includes a support arm 6 having a rod receiving portion 8 at an upper end, and a pair of hooks 18 of the rail member 5.
· The mounting seat 7 that is engaged and supported by 19 is integrally provided. The vertical dimension h of the mounting seat 7 is determined by a pair of hooks 18 and 19.
Is set to be larger than the upper and lower opposing distance E, and the tilting moment of the bracket 2 is received by the upper hooking portion 18 when the bracket 2 is temporarily mounted on the rail member 5.

Specifically, a pair of hooks 1 of the rail member 5
The decorative ribs 21 and 22 that cover the upper and lower edges of the groove 4 are protruded from each of the grooves 8 and 19. Screw hole 1 in lower half of mounting seat 7
The mounting seat 7 is fastened and fixed to the base 16 with the screw 12 inserted through the screw hole 11a. Base part 16
A rib 23 for preventing rattling and a projection 10 are provided on each of the upper half part of the mounting seat 7 facing the base part 16 in the vertical direction, and the bracket 2 is temporarily assembled to the rail member 5. In the loaded state, the ribs 23 of the base 16 and the projections 10 of the mounting seat 7 are configured to engage vertically. The bracket 2 can be formed by cutting an extruded material formed by extrusion molding.

[0007]

According to the present invention, the rail member 5 is fitted into the groove 4 formed by cutting a part of the wall member 3, and then the base 16 of the rail member 5 is fixed to the wall base 14. Therefore, even when an additional handrail is installed in an existing corridor or stairs, it is not necessary to replace the wall material 3, and the handrail can be additionally installed with less labor and at low cost.

[0008] The vertical dimension h of the mounting seat 7 is
The upper and lower opposing distances E of the brackets 8 and 19 are set to be larger, and the tilting moment of the bracket 2 is received by the upper latch 18 in the provisionally assembled state in which the bracket 2 is fitted between the latches 18 and 19. Therefore, it is possible to prevent the bracket 2 from falling off from the rail member 5 during the temporary assembly. In the provisionally assembled state, the bracket 2 has the rail grooves 17a and 1
7b is free to slide in the horizontal direction. Therefore, after the bracket 2 is temporarily assembled to the rail member 5, the lateral position can be easily adjusted, and the handrail can be efficiently assembled. Temporarily assembled bracket 2
The handrail bar 1 can be placed on the handrail to check its assembled state.

Since the decorative ribs 21 and 22 for covering the upper and lower edges of the groove 4 project from the respective hook portions 18 and 19, the groove 4 can be prevented from appearing on the surface. Therefore, the constructed handrail has a good appearance.

According to the third aspect of the present invention, a screw hole 11a is provided in the lower half of the mounting seat 7, and the screw hole 11a is used as a guide at the time of fastening to be mounted with the screw 12. Since the seat 7 is fastened and fixed to the base portion 16, the base portion 16
It is no longer necessary to provide a screw pilot hole in the handrail, and the handrail can be assembled efficiently. It is also advantageous in that the screw 12 can be easily screwed in without being disturbed by the support arm 6.

When the bracket 2 is temporarily mounted on the rail member 5, the rib 23 of the base portion 16 and the projection 10 of the mounting seat 7 are configured to engage with each other. The bracket 2 can be prevented from rattling back and forth and up and down with respect to the rail member 5 in the temporarily assembled state and the fixed state.

When the bracket 2 is formed by cutting an extruded material formed by extrusion molding, the bracket 2 can be produced in large quantities at low cost, and the construction cost of the handrail can be reduced as a whole.

[0013]

1 to 4, the handrail mounting structure comprises a bracket 2 for supporting a handrail bar 1 and a rail member 5 to be fitted and mounted in a groove 4 formed by cutting a wall material 3. FIG.

The bracket 2 is formed by cutting an extruded material made of aluminum, and includes a support arm 6 for supporting the handrail bar 1 and a mounting seat 7 fitted and mounted on the rail material 5. At the upper end of the support arm 6, a rod receiving portion 8 having a concave arc shape for receiving the handrail bar 1 is formed. A screw hole 8a is provided in the rod receiving portion 8, and a screw 9 screwed from the screw hole 8a is provided.
To fix the handrail bar 1 and the bar receiving portion 8. On the surface of the mounting seat 7 facing the rail member 5, a projection 10 and a convex piece 11 are provided so as to project over the entire width in the left-right direction. The protrusion 10 is provided on the upper half of the surface facing the rail member 5. The convex piece 11 has a substantially trapezoidal cross section, and has a screw hole 11 for a self-drilling screw (screw) 12 having a sharp cutting edge at the tip.
a is provided. At the lower end of the mounting seat 7, a step portion 13 is engraved.

The rail member 5 is an extruded product made of aluminum.
And a pair of hooks 18 and 19 projecting from the upper and lower ends of the base 16 in a T-shaped cross section. The upper hooking portion 18 opens downward and divides the upper rail groove 17a, and the lower hooking portion 19 opens upward and divides the lower rail groove 17b. The distance E between the upper and lower portions of the hook portions 18 and 19 is the vertical dimension h of the mounting seat 7.
It is set smaller than. Therefore, when the mounting seat 7 of the bracket 2 is fitted between the hooks 18 and 19, the upper and lower ends of the mounting seat 7 are hooked by the hooks 18 and 19, and the temporarily assembled state can be maintained. Decorative ribs 21 and 22 that cover the upper and lower edges of the groove 4 project from each of the hooks 18 and 19. A rib 23 having a substantially trapezoidal cross section protrudes from a middle part in the vertical direction of the base part 16 along the long side direction of the rail member 5,
Two linear grooves 24 for determining the mounting position of the self-drilling screw 15 are formed above and below the rib 23.

The mounting seat 7 of the bracket 2 is connected to the hooking section 18.1
9, the bracket 2 is slidable in the lateral direction along the upper and lower rail grooves 17a and 17b, and the horizontal position can be adjusted in the temporarily assembled state. it can. In the provisionally assembled state, the ribs 23 of the base portion 16 and the projections 10 of the mounting seat 7 are engaged, and the step 13 at the lower end of the mounting seat 7 rides on the upper end of the lower hooking portion 19, and the mounting seat 7 The convex piece 11 is in close contact with the base 16 of the rail member 5. Thereby, the bracket 2
Can be prevented from rattling back and forth in a state in which is temporarily mounted on the rail member 5. Since the tilting moment of the bracket 2 is received by the upper hook portion 18, the bracket 2 does not fall off the rail member 5.

The height h from the upper end to the lower end of the mounting seat 7 is
As shown in FIG. 3, it is shorter than the facing distance W between the upper and lower rail grooves 17a and 17b. Therefore, as shown in FIGS. 4A and 4B, if the upper end of the mounting seat 7 is lifted so as to be pressed against the upper inner wall of the upper engaging portion 18, the bracket 2 can be placed at any position of the rail member 5. Can be detached.

Next, the procedure for constructing the handrail will be described. First, the wall material 3 is cut into a groove shape along the portion where the handrail is to be attached, and the wall base material 14 is exposed. The rail member 5 is fastened and fixed by a self-drilling screw 15. At this time, the screw 15 is screwed along the groove 24 of the base portion 16. Next, the bracket 2 is fixed to both ends of the handrail bar 1 with screws, and the decorative cover 25 cut to the same length as the interval between the brackets 2 is fitted into the base portion 16 from the front side similarly to the bracket 2. , Makeup cover 25
, The mounting seats 7 of the two brackets 2 are fitted between the hooks 18 and 19 of the rail member 5, and a temporary assembly state is established. At this time, as shown in FIGS. 4A and 4B, the upper end of the mounting seat 7 is lifted so as to press against the upper inner wall of the upper hooking portion 18, and the mounting seat 7 is held by the hooking portion of the rail member 5. 1
What is necessary is just to fit between 8.19. In this tentatively assembled state, the bracket 2 is removably and slidably movable with respect to the rail member 5.
Lateral position adjustment can be performed. When the positions of the handrail bar 1 and the bracket 2 are determined by the lateral position adjustment, the self-drilling screw 12 is screwed into the rail member 5 from the screw hole 11a, and the bracket 2 is fixed to the rail member 5. This completes the construction of the handrail.

As another method of constructing the handrail using the pair of brackets 2, similarly to the above, the rail material 5 is cut and fixed to the exposed wall base 14, and then the rail material 5 is fixed. One bracket 2 is fixed to the end of the bracket with self-drilling screws 12. The decorative cover 25 cut in advance to a predetermined length is fitted to the rail material. Next, the other bracket 2 is fitted between the hooks 18 and 19 to form a temporary assembly state, and the bracket 2 is pressed against the decorative cover 25 to be positioned. In this state, the mounting seat 7 is fixed with the screw 12. . Finally, the handrail bar 1 is fixed to the bar receiving portion 8 of each bracket 2 with a screw.

As described above, according to the construction mode in which the rail member 5 is fitted and mounted in the groove 4 formed by cutting the wall material 3, when the handrail is additionally constructed in the existing corridor or stairs, the wall material 3 is replaced. Since it is not necessary to install handrails, additional handrails can be installed with less labor and at low cost. Rail grooves 17a and 17b are provided along the longitudinal direction of the rail member 5, and the bracket 2 is configured to be slidable and detachable with respect to the rail grooves 17a and 17b in a temporarily assembled state. After the bracket 2 is temporarily assembled to the rail member 5, the lateral position thereof can be easily adjusted. Therefore, the handrail can be efficiently assembled with less labor, and the cost for constructing the handrail as a whole can be reduced.

In the above embodiment, the rail member 5 is inserted into the groove 4
Although it is fitted and mounted inside, it may be fixed tightly to the outer surface of the wall as shown in FIG. In this case, the rail member 5 protrudes from the wall member 3, and the width of the protrusion is determined by the hook portion 1.
Since it is only the thickness of 8.19, the protrusion width can be reduced as compared with the case where a conventional wooden cap is used,
The handrail can be attached to the target wall surface with good appearance.
Although the engaging portions 18 and 19 of the rail member 5 have a T-shaped cross section, they may have a U-shaped cross section as shown in FIG. 5B.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view.

FIG. 2 is a front view.

FIG. 3 is a perspective view of a main component.

FIG. 4 is a schematic vertical sectional side view for explaining a procedure for attaching a bracket to a rail member.

FIGS. 5A and 5B are longitudinal sectional side views showing another embodiment of the rail member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handrail 2 Bracket 3 Wall material 4 Groove 5 Rail material 6 Support arm 7 Mounting seat 8 Rod support 10 Projection 12 Self-drilling screw (screw) 14 Wall base 16 Base 17a Upper rail groove 17b Lower rail groove 18/19 Stop 21 ・ 22 Decorative Rib 23 Rib

Claims (5)

[Claims] 1. A mounting structure for a handrail installed on a wall surface of a stairway, a corridor or the like, comprising a rail member (5) which is fitted into a groove (4) formed by cutting a wall material (3) and fastened to a wall base (14). And a bracket 2 to be fitted and mounted on the rail member 5 from the front thereof.
And an upper rail groove 17a provided above and below the base portion 16 and opening downward, and a lower rail groove 17 opening upward and
b, and a pair of hooks 18 and 19 for partitioning the bracket b. The bracket 2 has a support arm 6 having a rod receiving portion 8 at an upper end,
A mounting seat 7 which is engaged and supported by a pair of hooks 18 and 19 of the rail member 5 is integrally provided, and the vertical dimension h of the mounting seat 7 is the vertical distance between the pair of hooks 18 and 19. In the state where the bracket 2 is temporarily mounted on the rail member 5, the tilting moment of the bracket 2 is set to be larger than the upper locking portion 18.
A handrail mounting structure that is configured to receive by hand. 2. A decorative rib 21.2 that covers the upper and lower edges of the groove 4 in each of a pair of hooks 18.19 of the rail member 5.
2. The handrail mounting structure according to claim 1, wherein 2 is projected. 3. A screw hole 11a is provided in a lower half of the mounting seat 7, and the mounting seat 7 is fastened and fixed to the base portion 16 with a screw 12 inserted into the screw hole 11a. Handrail mounting structure described. 4. A rib 23 for preventing rattling and a projection 10 are provided on an intermediate portion in the vertical direction of the base portion 16 and an upper half portion of the mounting seat 7 facing the base portion 16, respectively. The ribs (23) of the base portion (16) and the projections (10) of the mounting seat (7) are vertically engaged with each other when the bracket (2) is temporarily mounted on the rail member (5). Handrail mounting structure. 5. The handrail mounting structure according to claim 1, wherein the bracket 2 is formed by cutting an extruded material formed by extrusion molding.