JP2000129883A - Handrail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a handrail having a cover equipped with function of a restraining hole in a socket ring by eliminating a socket ring in order to facilitate work and make low price economically. SOLUTION: In a handrail fixed to a wall surface, in order to prevent mounting fault or the like in a cover 8 arising from forgetting mounting of a socket ring, the cover 8 mounted to joints 3 and 4 or pipes 1 and 2 in a freely detachable manner, incorporated thereinto so as to surround the circumferences of the joints 3 and 4 or the pipes 1 and 2 and a cover 8 for concealing a flange is provided, a slit is opened in the direction of the radius of the cover 8 and, at the same time, a pair of projections are formed in positions having the slit inbetween. Restraining grooves fitted to the projections are provided to the joints 3 and 4 or the pipes 1 and 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail provided on a wall or floor of an ordinary household or a public bathroom or toilet.

[0002]

2. Description of the Related Art Conventionally, a handrail provided in a bathroom or the like is mainly provided with joints at both ends of a pipe such as stainless steel, or a stainless steel or the like coated with a synthetic resin, and a flange is connected to a bent one. Is often fixed to a wall or the like with fixing screws. In order to hide the flange and the fixing screw, a construction using a cover is generally performed.

One condition of this cover is that it is an annular body because it is arranged so as to surround the joint, and as shown in Japanese Patent Application Laid-Open No. Hei 10-131453, a handrail portion is provided. A disk-shaped mounting plate portion 26 is provided at both ends of the mounting plate portion 26 so as to abut against a mounting surface such as a wall surface A, and is fitted and fixed to the mounting plate portion 26 to cover the mounting plate portion 26. Some are provided.

[0004] As shown in FIG.
No. 453, in which the cap-shaped cover 25 for concealing the mounting plate portion 26 is provided, the cap-shaped cover 25 is screwed to the disk-shaped mounting plate portion 26 at both ends of the handrail portion 27. Therefore, there is a problem that it is difficult to perform the work, and when the cover 25 is scratched, only the cover 25 cannot be replaced.

[0005]

SUMMARY OF THE INVENTION In the prior art,
In the handrail having a structure in which a cap-shaped cover 25 for concealing the mounting plate portion 26 is provided, the cap-shaped cover 25 is fitted and fixed to the disk-shaped mounting plate portion 26 at both ends of the handrail portion 27. In addition, there arises a problem that the cap-shaped cover 25 is difficult to construct.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to eliminate the above-mentioned problem when a slit is provided in a radial direction on an annular cover for hiding a flange and a handrail is provided on a wall surface. It is an object of the present invention to provide a handrail in which the slit is incised and the engaging portion for preventing the spread of the slit is provided on the cover at a position sandwiching the slit in order to facilitate the work and the construction.

[0007]

In order to achieve the above object, a first aspect is to connect a flange to a joint or a pipe itself,
In the handrail fixed to the wall surface via the flange, in order to prevent improper installation of the cover due to forgetting to install the receiving seat, to prevent the slit portion of the cover from spreading or floating from the wall surface, and to facilitate construction, In order to make it economically inexpensive, a cover which is detachably attached to the joint or the tube itself and is incorporated so as to surround the joint or the tube to hide the flange is provided, and a slit is cut in a radial direction of the cover. In addition, a pair of projections are formed at positions sandwiching the slits, and the joint or the pipe is further provided with a restraining groove fitted with the projections.

According to a second aspect of the present invention, in order to easily insert the projection of the cover, a tapered surface is provided above a restraining groove provided in the joint or the pipe itself.

According to a third aspect of the present invention, the protrusion of the cover is formed in a shape of a quadrangular pyramid having a small tip and a large depth in order to facilitate fitting with a restraining groove provided in the joint or the pipe itself. And

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The features of the present invention will be specifically described below with reference to embodiments shown in the drawings. FIG. 1 is a partially cutaway front view of a handrail showing one embodiment of the present invention, and FIG. 2 is a partially cutaway side view of FIG.

The handrail is composed of two straight pipes 1, a curved pipe 2 connected to these ends, and a joint 3 connecting the straight pipes 1.
4 as a main element. Straight pipe 1 and curved pipe 2,
The joint 3 and the joint 4 are connected by press-fitting the ends of the curved pipe 2, the joint 3 and the joint 4 into the straight pipe 1, and screwing them with screws 11. The joint 3 and the joint 4 are connected by screwing with a screw 9 and a bolt 10.

A flange 5 is fixed to the end face of the joint 3 on the wall A side with bolts 6, and the flange 5 is fixed to the wall A by fixing screws 7 to support the center of the handrail. A cover 8 is detachably attached to the joint 3.

FIG. 3 is a sectional view of the wall surface of the joint 3, and FIG. 4 is a side view taken along the arrow P in FIG.

The joint 3 is formed in a T-shape, and a step 12 is provided at a lower portion along the entire circumference to elastically engage the cover 8. The step 12 is directed from the upper side surface 21 to the wall surface. Therefore, the tapered surface 13 has a smaller outer diameter, and an engaging surface 14 having a uniform outer diameter is formed from the end of the tapered surface 13.

In addition, a restraining groove 15 for preventing the cover 8 from spreading is formed at one lower portion. The constraint groove 15
A tapered surface 16 for facilitating attachment of the cover 8 is provided above the restraining groove 15 so as to be easily engaged with the cover 8.
The structure is such that the projections 19 of the cover 8 are securely engaged.

Also, the step 12 for elastically engaging the cover 8 of the joint 3 has a side surface 21 extending from the upper part to the lower part, and a concave portion is provided at a position where the projection 20 of the cover 8 fits, even in the step shape. Is also good.

FIG. 5 is a bottom view of the cover 8, and FIG.
7 is a vertical sectional view taken along the line II, FIG. 7 is a vertical sectional view taken along the line II-II of FIG. 5, and FIG. 8 is a sectional view showing an engagement state between the restraining groove 15 of the joint 3 and the projection 19 of the cover 8. It is.

The cover 8 is an annular body provided with an opening 17 through which the joint 3 is inserted, and a slit 18 is formed at one place from the opening 17 to the outer peripheral end. By providing such openings 17 and slits 18, the cover 8
Eight parts can be opened widely and can be attached to the joint 3 fixed to the wall A.

At two places sandwiching the slit 18, there are provided projections 19 which enter the restraining grooves 15 of the joint 3. The projection 19 has a tapered shape in which the tip of the projection 19 is small and the depth is large, so that the engagement with the restraining groove 15 can be facilitated. Further, four projections 20 are provided in the opening 17 to be engaged with the engagement surface 14 of the joint 3, whereby the joint 3 and the cover 8 are engaged.

FIG. 9 is a perspective view of the joint 3 and the flange 5, and FIG.
0 is a perspective view of the curved pipe 2, the flange 5, and the cover 8. The handrail portion composed of the straight pipe 1 and the curved pipe 2 is fixed to the wall surface A by the flange 5 and the fixing screw 7. When it is fixed to the pipe, it can escape to the straight pipe 1 side. Therefore, a shape without the slit 18 can be used for the cover 8.

FIG. 11 is a perspective view of the cover 8 in a state where the slit 18 is not expanded, and FIG. 12 is a perspective view of the cover 8 in a state where the slit 18 is expanded. Although the cover 8 is an annular body when the slit 18 is not expanded, the cover 8 is made of a synthetic resin. Therefore, as illustrated in FIG. Can be attached even if

In the above configuration, when the handrail is fixed, as in the prior art shown in FIG.
Since it is not necessary to fix the handrail while sandwiching the receiving seat 26 between 7 and the wall A, the handrail can be easily fixed, and by eliminating the receiving seat, it is economically inexpensive.

After the handrail is fixed, as shown in FIG. 12, the cover 8 is finally twisted in the axial direction to widen the gap between the slits 18, and the joint 3 is removed from the widened slit 18 portion. It is assembled around the cover 8 so as to be inserted. Next, while aligning the projection 19 of the cover 8 with the restraining groove 15 of the joint 3, the cover 8 is
Fits.

In this fitting, the projection 20 of the cover 8 slides on the side surface 21 of the joint 3 while expanding by elastic deformation,
Further, the protrusion 20 slides while reducing the diameter of the tapered surface 13 by elastic deformation, and reaches the engagement surface 14. Therefore, the cover 8 and the joint 3 can be integrated by reducing the diameter of the projection 20 of the cover 8. At the same time, as shown in FIG.
9 can be fitted into the restraining groove 15 to prevent the slit 18 from spreading.

As described above, the elimination of the seat of the prior art facilitates the construction, eliminates the inconvenience caused by forgetting to attach, and reduces the cost economically.

The present invention exerts the following effects by the above configuration. According to the first aspect, when the handrail is provided on the wall surface, by integrating the restraining groove with the joint or the pipe, the handrail can be easily constructed. , Can be economically cheap.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a handrail showing an embodiment of the present invention.

FIG. 2 is a partially cutaway side view of a handrail showing one embodiment of the present invention.

FIG. 3 is a sectional view of a wall surface of the joint 3;

FIG. 4 is a side view taken along arrow P in FIG. 3;

FIG. 5 shows a bottom view of the cover.

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

FIG. 7 is a vertical sectional view taken along line II-II of FIG.

FIG. 8 is a sectional view showing an engagement state between a restraining groove 15 of the joint 3 and a projection 19 of the cover 8;

9 shows a perspective view of the joint 3 and the flange 5. FIG.

FIG. 10 is a perspective view of a curved tube 2, a flange 5, and a cover 8.

FIG. 11 is a perspective view of the cover 8 in a state where the slit 18 has not been expanded.

FIG. 12 shows a cover 8 in a state where a slit 18 is pushed out.
FIG.

FIG. 13 shows a conventional product.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Straight pipe, 2 ... Curved pipe, 3 ... Joint, 4 ... Joint, 5 ... Flange, 6 ... Bolt, 7 ... Fixed screw, 8 ... Cover, 9 ... Screw, 10 ... Bolt, 11 ... Screw, 12 ... Step , 13 ... tapered surface, 14 ... engaging surface, 15 ... restricted groove, 16 ... tapered surface, 17 ... opening, 18 ... slit, 19 ... projection, 20 ...
Projection, 25: Cover, 26: Mounting plate, 27: Handrail

Claims (3)

[Claims] 1. A handrail which connects a flange to a joint or a pipe itself and is fixed to a wall surface through the flange, is detachably attached to the joint or the pipe, and is incorporated so as to surround the joint or the pipe. A cover for hiding the flange is provided, a slit is formed in the cover in a radial direction, a pair of protrusions are formed at positions sandwiching the slit, and a restraining groove for fitting the protrusion to the joint or pipe is provided. Railings characterized by the fact that: 2. The handrail according to claim 1, wherein an expanded tapered surface for facilitating insertion of the pair of projections of the cover is provided above the restraining groove. 3. The handrail according to claim 1, wherein a pair of protrusions of the cover for facilitating fitting with the restraining groove are formed in a quadrangular pyramid shape.