JPS6137352Y2 - - Google Patents

Description

[Detailed description of the invention] This invention can be installed, for example, in a bathroom near a bathtub to support the body by grasping it when entering and exiting the bathtub, or installed in a sanitary equipment room such as a toilet. This invention relates to improvements to handrails that can safely support the body.

BACKGROUND ART Conventionally, there are various types of handrails for holding the body, one of which is one in which a pair of fixtures are fixedly installed on a wall surface at a required interval, and a grip bar is provided between the fixtures. The fixture is formed with a recess into which the grip bar can be fitted, and the recesses of each fixture are arranged at opposing positions to support both ends of the grip bar. To connect the grip bar and the fixture, simply fit both ends of the grip bar into the recess, and place the fixture on the wall at an appropriate location to apply a restraining force in the axial direction of the grip bar. This is accomplished by providing a screw that moves forward and backward in the direction of the recess, and fixing with this screw.

However, simply inserting both ends of the grip bar into the fixture will cause looseness over time.In particular, from the viewpoint of functionality, a grip bar with a circular cross section is usually optimal, and in this case, the grip bar When you squeeze it, it rotates, making it impossible to grip the grip bar securely, which also poses a safety problem. In addition, even if the grip bar is firmly connected to the fixture using screws, if the load is repeatedly applied to the grip bar, the screws will loosen due to the grip bar's deflection, and the grip bar will lose its supporting force, causing the same problem as above. The disadvantage is that it rotates and is not easy to use.

Furthermore, for wall-mounted handrails, the installation procedure is to first fix the fixture on one side to the wall according to the axial length of the grip bar, and then attach the handle bar to the fixed fixture on the one side. Then, after fixing the fixture on the other side or fixing both fixtures to the wall surface, the grip bar is attached by attaching necessary members to the fixture. In this case, there is also the problem that the grip bar cannot be attached unless the distance between the fixtures is adjusted to a certain degree of accuracy.

The present invention attempts to eliminate the above-mentioned drawbacks, such as when the grip bar rotates with respect to the fixture.
The purpose is to make it easy to install without causing rattling.

The basic structure of the present invention is that a fixture is fixed to a wall with screw holes formed with opposite threads to each other, and a grip bar with screws formed on both ends of the screws is connected to the screws and the screw holes. The grip bar is prevented from rotating and rattling by making it impossible to displace the grip bar in the axial direction by means of fittings that are connected in correspondence and fixed in place.

Hereinafter, the present invention will be explained in detail based on an embodiment shown in FIGS. 1 to 5.

Fig. 1 is a partially cutaway plan view showing the handrail according to the present invention attached to a wall, Fig. 2 is a partially cutaway front view of the grip bar, and Fig. 3 is a cross section taken along the - line arrow in Fig. 1. FIG. 4 is a sectional view taken along the - line arrow in FIG. 3.

In the figure, 1 is a fixture fixed to the wall surface W by an anchor bolt B screwed into an anchor pin P driven into the wall surface W in advance, and 2R and 2L are connected to the fixture 1 on the left and right by screws 3, respectively. This is a bracket for attaching a grip bar, and a fixture 1 and brackets 2R and 2L integrated with each fixture 1 constitute a pair of fixtures A. Reference numeral 4 designates a grip bar, which in this example is made of a brass pipe 5 with a plated outer circumferential surface and mounting bolts 6 fitted to both ends of the pipe 5 and connected to the brackets 2R and 2L.
It is composed of R and 6L.

As shown in FIG. 3, the fixing device 1 has a rectangular recess 7 formed therein over the entire length in the width direction, and an opening 8 for inserting the anchor bolt B on the opposite wall surface W so that the head of the anchor bolt B is inserted. It has an annular surface 9 for receiving the bracket, and a screw insertion hole 10 through which the screw 3 connecting the brackets 2R and 2L is inserted is bored on one side.

The brackets 2R and 2L connected to the fixture 1 have a thickness that is flush with both upper and lower surfaces of the fixture 1,
The tip part has an arc cross-sectional shape, and the fixture 1
A fitting part 11 that can be fitted into the square-shaped recess 7 is formed protrudingly, and the fitting part 11 has a screw hole 12 into which the screw 3 is screwed.
will be provided. Furthermore, end walls 13 having the same shape as the square-shaped recess 7 are formed at both ends of the fitting part 11, so that the inside of the wall fixture A is not exposed when assembled. Furthermore, as can be seen from FIG. 1, a hollow space 14 is provided approximately in the center of the bracket 2L, and a fixing screw 15 that is screwed into the center of the mounting bolts 6R and 6L is attached to the bottom of the hollow space 14. There is.

In Fig. 2, the screws S _R and S _L of the mounting bolts 6R and 6L are formed to have opposite threads to each other, and in this example, the right mounting bolt 6R has a normally used right-hand thread, and the left mounting bolt 6L is a left-hand thread. The mounting bolts 6R, 6L are provided with a fitting portion 16 that is fitted and fixed into the pipe 5, and the circumferential surface of the fitting portion 16 is parallel knurled to form a groove 17 in the axial direction. Connection with the pipe 5 is performed by fitting the fitting portions 16 into both ends of the pipe 5 and attaching the solder 18. At this time, the solder 18 also flows into the groove 17 formed by the parallel knurling process, so that the joint surface can be enlarged. , can be firmly fixed.

The bracket 2L that screws and connects the left mounting bolt 6L is provided with a screw hole 19L into which a screw S _L is inserted, and a large diameter pipe fitting hole 2 is provided on the opening side.
0L is established on the same axis. The screw hole 19L is formed with a left-hand thread for screwing the left-hand screw S _L into the screw hole 19L, and the aforementioned fixing screw 15 is arranged so as to be able to protrude into the screw hole 19L. The inside of the right bracket 2R is similarly formed, with a screw hole 19R and a pipe fitting hole 20R coaxially formed, and the screw hole 19R having a right-hand thread.

The procedure for attaching the handrail having the above configuration to the wall surface W is to first fix the fixture 1 to the wall surface by screwing the anchor bolt B into the anchor pin P driven in advance. Next, the mounting bolts 6L on both ends of the grip bar 4,
6R is integrally connected to brackets 2L and 2R having corresponding screw holes 19L and 19R, respectively.
In this case, if the axial growth of the screw holes 19L and 19R is increased by the required amount, the brackets 2R and 2L
The distance between them can be varied within a certain range. Therefore, when attaching brackets 2R and 2L to fixture 1, the distance between brackets 2 and 2 must be
The positions of R and 2L can be easily aligned,
This also has the effect that the length of the grip bar 4 can be adjusted according to the threaded length of the mounting bolts 6R, 6L.

After setting the distance between both brackets 2R and 2L to a length that matches the fixture 1 fixed to the wall surface W, advance the fixing screw 15 in the direction of the screw holes 19L and 19R,
By engaging the screws S _L and S _R , the grip bar 4
The brackets 2R and 2L are positioned with respect to them. And the fitting part 11 of both brackets 2R, 2L
The mounting is completed by fitting the brackets into the square-shaped recesses 7 of the fixture 1 and connecting them by screwing the screws 3 into the screw holes 12 from the bottom side of the brackets 2R and 2L.

In the handrail constructed as described above, both ends of the grip bar 4 are screwed onto the brackets 2R, 2L by mounting bolts 6R, 6L with opposite threads, and the distance between the brackets 2R, 2L is immovably fixed by the fixture 1. The grip bar 4 is shown in FIG.
Even if a moment is applied in the circumferential direction of the grip bar 4
does not rotate.

In other words, the screws S of the mounting bolts 6R and 6L
_R , S _L and the corresponding screw holes 19R, 19L are in a reverse thread relationship, so when the grip bar 4 rotates clockwise in FIG. 3, the brackets 2R, 2L are moved away from each other. Conversely, when rotating counterclockwise, move the bracket 2R in the direction toward which it approaches.
2L moves relatively. This means grip bar 4
When rotates, screws S _R , S _L and screw holes 19R, 1
Brackets 2R, 2 due to the reverse screw relationship of 9L.
This means that L will inevitably move. However, in this example, both brackets 2R and 2L are fixed at fixed positions on the wall surface W, and the distance between them is unchanged, so from the above explanation, the rotation condition of the grip bar 4 is not satisfied, and therefore, the rotation condition of the grip bar 4 is not satisfied. Even if a moment is applied, the grip bar 4 does not rotate at all.

Furthermore, as mentioned above, by changing the amount of threading between the mounting bolts 6R, 6L and the brackets 2R, 2L, the distance between the brackets 2R, 2L can be set arbitrarily, so the distance between the fixtures 1 fixed in advance can be easily adjusted. They can be aligned, the length of the grip bar can be adjusted, and installation can be done easily.

As described above, the handrail according to the present invention has the following effects depending on its configuration.

(1) Since both ends of the grip bar are screwed into a pair of fixtures that are fixed at fixed positions on the wall surface in a reverse screw relationship, the grip bar does not rotate or wobble.

(2) By changing the amount of screwing of the grip bar into the fixture, the distance between the fixtures can be made variable, the length of the grip bar can be adjusted, and installation work can be simplified.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway plan view showing the handrail according to the present invention attached to a wall, Fig. 2 is a partially cutaway front view of the grip bar, and Fig. 3 is a cross section taken along the - line arrow in Fig. 1. 4 is a cross-sectional view taken along the - line arrow in FIG. 3, and FIG. 5 is a perspective view when attached to a wall. 4...Grip bar, 19R, 19L...Screw hole, A
...Fixing tools, S _R , S _L ...screws.

Claims (1)

[Scope of utility model registration request] It consists of a fixture that is fixed to a wall surface so as to face each other at a required interval and each has a screw hole that opens on the opposite surface side, and a grip bar that has screws at both ends that are screwed into the screw hole. The screw holes of the tool are formed with opposite threads to each other, and the screws at both ends of the grip bar are also formed with opposite screws to each other, and by inserting the screws into the holes with the same threading direction. A handrail characterized by a grip bar connected to a fixture.