JPH0816384B2 - Handrail and its mounting method - Google Patents

Description

The present invention relates to a handrail and a method of mounting the handrail.

[Conventional technology and problems]

Conventionally, as a means for attaching a handrail, it is also known that a flange portion is provided at an end portion of the handrail and the flange portion is attached to an attached portion with a screw.

However, the means for attaching the flange portion to the handrail end portion with the screw screw on the attached portion is not good because the flange portion is exposed to the outside, and it is necessary to attach the flange portion with the screw screw at a plurality of places of the flange portion. However, it is difficult to install with screws when it is troublesome and there is not enough space.

It is also known to insert a bolt protruding from the end of the handrail into the hole of the mounted part and screw the nut from the tip of the bolt, but reach the back side of the mounted part and screw the nut into the bolt. If it is possible, there is no hindrance, but if the back side of the attached part is closed and you can not reach the back side of the attached part, you can attach the handrail with such a means. Can not.

The present invention has been made in view of such problems in the conventional handrail or its mounting method, and an object of the present invention is to solve the above-mentioned problems and attach the handrail to the mounted portion in a good appearance. It is possible to provide a handrail and a handrail attachment method capable of attaching the handrail even when the back side of the attached portion is closed and the hand cannot be turned to the back side of the attached portion.

[Means for solving the problem]

The above objects are, in the present invention ,: 1. A bush with an internal thread is attached to an end of the handrail main body,
The mounting screw is screwed into the female thread of the bush with female thread, the rotating ring is fitted to the mounting screw, and the pin attached to the rotating ring is locked in the key groove provided in the mounting screw.
The handrail is characterized in that the mounting screw rotates with the rotation of the rotating ring and moves back and forth with respect to the bush. 2. The stopper is provided at the end of the mounting screw in the main body of the handrail. The handrail according to claim 1, 3. A bush with an internal thread is attached to an end portion of the handrail main body,
The mounting screw is screwed into the female thread of the bush with female thread, the rotating ring is fitted to the mounting screw, and the pin attached to the rotating ring is locked in the key groove provided in the mounting screw.
Use a handrail that rotates the mounting screw as the rotating ring rotates and moves forward and backward with respect to the bush.Rotate the rotating ring to rotate the mounting screw, and use the female screw provided on the mounting part of the handrail. A handrail mounting method characterized by screwing a mounting screw.

In the present invention, the end of the handrail may be one end or both ends. That is, in the present invention, when the end portion of the handrail is one end of the handrail, the present invention is applied to one end of the handrail,
Attachment means other than the present invention, such as welding, may be applied to the other end of the handrail.

The handrail of the present invention may be used not only for handrails but also for towel hanging.

[Action]

In the invention according to claim 1, a bush with an internal thread is attached to an end portion of the handrail main body, a mounting screw is screwed into the internal thread of the bush with the internal thread, and a rotary ring is fitted to the mounting screw and attached to the rotary ring. The pin is locked in the key groove provided in the mounting screw, and the mounting screw rotates with the rotation of the rotating ring and moves forward and backward with respect to the bush.Therefore, the rotating ring rotates the mounting screw. Then, the mounting screw can be screwed into the female screw provided in the mounted portion of the handrail.

In the invention according to claim 2, in the handrail according to claim 1, since a stopper is provided at an end portion of the mounting screw in the handrail main body, the mounting screw is screwed into the female screw provided in the mounted portion of the handrail. At this time, it can be screwed in until the stopper comes into contact.

In the invention according to claim 3, a bush with an internal thread is attached to an end of the handrail main body, a mounting screw is screwed into the internal thread of the bush with an internal thread, and a rotary ring is fitted to the attachment screw and attached to the rotary ring. Use a handrail in which the pin is locked in the key groove provided in the mounting screw, and the mounting screw rotates with the rotation of the rotating ring to move forward and backward with respect to the bush. Is rotated, and the mounting screw is screwed into the female screw provided on the mounted part of the handrail, so the mounting screw cannot be seen from the outside, and the back side of the mounted part is closed and the back side of the mounted part is The handrail can be attached even when the hand cannot be turned.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing a state where the handrail of the present invention is attached to an attached portion, FIG. 2 is an enlarged sectional view of an essential part showing a state before attaching the handrail of the present invention to the attached portion, and FIG. It is a principal part expanded sectional view which shows the state after attaching a handrail to a to-be-attached part.

In these drawings, 1 is a handrail, 2 is a wash counter, a recess 21 is provided on the front surface of the wash counter 2, and attached parts 22 of the handrail 1 are provided at both ends of the recess 21.

Reference numeral 10 denotes a handrail main body in which the surface of the metal pipe is covered with vinyl chloride resin, and a bush 11 with an internal thread is fitted to an end portion of the handrail main body 10 and is fixed by a fixing bolt 111,
The mounting bolt 12 is screwed into the female screw 112 of the bush 11. A rotating ring 13 is fitted on the tip side of the mounting bolt 12 protruding from the bush 11, and the rotating ring 13 has a pin 13
1 is screwed in, the tip of the pin 131 is fitted and locked in the key groove 121 provided in the mounting bolt 12, and a rod (not shown) is inserted into a hole 132 provided in the peripheral surface of the rotating ring 13 to attach the rotating ring 13. When rotated, the mounting bolt 12 also rotates and the bush 11
It is designed to move forward and backward. At this time, pin 131
The key groove 121 and the key groove 121 are slidably engaged with each other, and only the mounting bolt 12 can be moved forward and backward without moving the rotary ring 13 forward and backward. In order to rotate the rotary ring 13,
Instead of providing the hole 132, a flat surface may be provided on a part of the peripheral surface of the rotary ring 13, and the rotary ring 13 may be rotated by using an instrument such as pliers on the flat surface portion.

Reference numeral 122 denotes a flange-shaped stopper provided on the inner end of the handrail of the mounting bolt 12, and the mounting bolt 12 rotates as the rotating ring 13 rotates, and the tip of the mounting bolt 12 advances from the bush 11 and the stopper 122 becomes the bush 11. Abut
The rotation ring 13 can be tightened by the rotation so as to be further tightened.

Reference numeral 123 is a ring-shaped packing fitted in the middle of the mounting bolt 12, and is provided between the bush 11 and the stopper 122.

Reference numeral 124 is a ring-shaped packing fitted to the tip of the mounting bolt 12.

A handrail mounting hole 221 is formed in the mounted portion 22,
A nut 23 is welded to the back side of 2.

As shown in FIG. 2, when the handrail 1 is attached to the mounted portion 22 and the end portion of the handrail 1 is brought into close contact with the mounted portion 22 and the rotating ring 13 is rotated, the mounting bolt 12 is also rotated.
The mounting bolt 12 moves out of the bush 11, the tip of the mounting bolt 12 is screwed into the nut 23, and the mounting bolt 12 moves to the nut 23.
After passing through, the stopper 122 comes into contact with the bush 11 and the mounting bolt 12 is completely screwed into the nut 23, whereby the handrail 1 is mounted on the mounted portion 22.

FIG. 4 is a perspective view showing another example of the handrail of the present invention, FIG. 5 is a partially cutaway, partially exploded enlarged perspective view, and in the embodiment shown in FIG. 4 and FIG. Both ends of the handrail 1a are bent, and the wall surface is bent at both ends of the handrail 1a.
It is attached to the attached portion 22a of 2a.

In Fig. 5, a bush with an internal thread is provided at the end of the handrail 1a.
11a is attached, and a mounting bolt 12a is screwed into the screw hole 112a of the bush 11a. Bushing for mounting bolt 12a
A rotating ring 13a is fitted on the tip side protruding from 11a,
The pin 131a is screwed into the rotary ring 13a, the tip of the pin 131a is fitted and locked in the key groove 121a provided in the mounting bolt 12a, and when the rotary ring 13a is rotated, the mounting bolt 12a also rotates, and the bush 11a is rotated. It is designed to move forward and backward. The hole diameter of the rotating ring 13a is slightly larger than the screw outer diameter of the mounting bolt 12a, the pin 131a and the key groove 121a are slidably fitted and locked, and the rotating ring 13a is mounted without moving back and forth. Only the bolt 12a can be moved back and forth.

122a is a flange-shaped stopper provided on the inner end of the handrail of the mounting bolt 12a.The mounting bolt 12a rotates with the rotation of the rotating ring 13a, the tip of the mounting bolt 12a advances from the bush 11a, and the stopper 122a becomes the bush 11a. It can be tightened by rotating the rotary ring 13a.

Reference numeral 123a is a ring-shaped packing fitted in the middle of the mounting bolt 12a, and is provided between the bush 11a and the stopper 122a.

Reference numeral 124a is a ring-shaped packing fitted to the tip of the mounting bolt 12.

 A nut 23a is welded to the back side of the attached portion 22a.

Also in the embodiment shown in FIGS. 4 and 5, when the rotating ring 13a is rotated, the mounting bolt 12a also rotates, the mounting bolt 12a advances from the bush 11a, and the mounting bolt 12a is screwed into the nut 23a. After 12a penetrates nut 23a, stopper 122a contacts bush 11a and mounting bolt 12a is completely screwed into nut 23a, whereby handrail 1 is mounted on mounted portion 22a.

〔The invention's effect〕

In the present invention, the mounting screw is rotated by rotating the rotating ring, and the mounting screw is screwed into the female screw provided in the mounted portion of the handrail, so that the mounting screw is invisible from the outside and has a good appearance. Further, even when the back side of the attached portion is closed and the hand cannot be turned to the back side of the attached portion, the handrail can be attached.

According to the second aspect of the present invention, when the mounting screw is screwed into the female screw provided in the mounting portion of the handrail, the mounting screw can be screwed in until the stopper comes into contact, and a retightening effect is achieved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state where the handrail of the present invention is attached to an attached portion, FIG. 2 is an enlarged sectional view of an essential part showing a state before attaching the handrail of the present invention to the attached portion, and FIG. FIG. 4 is a perspective view showing another example of the handrail of the present invention, FIG. 5 is a partial cutaway view, FIG.
It is a partial disassembled principal part enlarged perspective view. 1, 1a ...... Handrail 10, 10a ...... Handrail main body 11, 11a ...... Bushing with female thread 22, 22a …… Mounted part 12, 12a …… Mounting bolt (mounting screw) 121,121a …… Key groove 13,13a ...... Rotating ring 131, 131a ...... Pin

Claims (3)

[Claims] A bush with a female screw is attached to an end of a handrail body, a mounting screw is screwed into a female thread of a bush with a male screw, a rotating ring is fitted to the mounting screw, and a pin mounted on the rotating ring is a mounting screw. A handrail, characterized in that it is locked in a key groove provided in, and the mounting screw rotates with the rotation of the rotating ring to move forward and backward with respect to the bush. 2. The handrail according to claim 1, wherein a stopper is provided at an end of the mounting screw inside the handrail body. 3. A bush with an internal thread is attached to an end of the handrail body, a mounting screw is screwed into the internal thread of the bush with an internal thread, a rotating ring is fitted to the attaching screw, and a pin attached to the rotating ring is an attaching screw. Using a handrail that is locked in the key groove provided in the, and the mounting screw rotates with the rotation of the rotating ring, and moves back and forth with respect to the bush, rotate the rotating ring to rotate the mounting screw, A handrail mounting method, characterized in that a mounting screw is screwed into a female screw provided in a mounted portion of the handrail.