JPH0222645B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention consists of a handrail material in which a metal core material is covered with a thick tire layer. It relates to joints used for handrails installed around various equipment in washrooms, bathrooms, etc.

Traditionally, handrails of this type have been made of stainless steel pipes, particularly synthetic resin coated pipes made of steel pipes coated with a thin layer of soft synthetic resin, and cheese-shaped joints have been mainly used for these handrails. Also, fittings have been used in which the bolt head is exposed on the upper surface of the handrail.

However, when these joints are used as means for connecting in a T-shape in a handrail using a handrail material made of a metal core covered with a tire layer, it is difficult to connect firmly, and in long-term use, This caused undesirable rattling.

The purpose of this invention is to enable a strong connection, to enable long-term use without rattling, to improve assembly workability on site, to provide a beautiful assembly finish, and to make a metal core material suitable for tires. To provide a joint suitable for use in a handrail made of a handrail material coated with a layer.

In order to solve these problems, the joint used in the handrail of the present invention connects a handrail unit and a connecting unit made of a handrail material including a metal core material and a tire layer formed on the surface of the core material, and connects the handrail material to T. The sleeves are connected to each other in the shape of a letter, the sleeve fits one end of the connecting unit, the handrail receiver is integrally formed at one end of the sleeve, and has a seating surface on which the handrail unit is placed, and The structure is such that the biting protrusion protrudes from the seat surface.

Hereinafter, preferred specific examples of the joint used in the handrail according to the present invention will be described with reference to the drawings.

Figures 1 to 4 show a tenth embodiment of the joint of the present invention used in a handrail 30 installed around a Western-style toilet bowl 45 for a physically handicapped person in a toilet.

The joint 10 connects the steel pipe 36 to the soft tire layer 3
In a handrail 30 using a handrail material 35 coated with 7, the handrail unit 31,
As a means for connecting the handrail units 31, 32 and the connecting units 33, 34 with the cut ends of the handrail material 35 abutting against the cylindrical outer surface of the handrail member 35, the handrail units 31, 32 and the connecting units 3
3 and 34 are connected to each other. In particular, the joint 10 is connected to the steel pipes 3 of the handrail units 31, 32.
6 to the steel pipes 36 of the connecting units 33, 34 thereof.

The handrail units 31 and 32 are cut to a predetermined length from the handrail material 35, bent into a U shape, and fixed to the wall at both ends, and the connecting units 33 and 34 are similarly The handrail unit 3 is cut into a predetermined length from the handrail material 35.
1 and 32 are supported on the floor, and the handrail units 31 and 32 are connected to each other.
Of course, the handrail units 31, 32 and the connecting units 33, 34 are used after being bent into an appropriate shape depending on the installation location.

The handrail material 35 used for these handrail units 31, 32 and connection units 33, 34 is made by first applying an adhesive 38 to the outer surface of a steel pipe 36.
The steel pipe 36 coated with the adhesive 38 is rapidly heated to a predetermined temperature to activate the adhesive 38, and a thick layer of soft synthetic resin is extruded onto the surface of the adhesive 38 maintained in the activated state. A tire layer 37 covering a steel pipe 36 is formed, and a hard synthetic resin is further extruded thinly onto the surface of the tire layer 37 to form a skin layer 39 covering the tire layer 37.

The joint 10 connects the handrail units 31, 32 to support the handrail units 31, 32 on the floor.
The upper end of the coupling unit 33 on the receiving side, and
In order to connect the handrail units 31 and 32 to each other, at both ends of the connection unit 34, a sleeve 11 is fitted into the connection units 33 and 34, respectively, and a sleeve 11 is formed integrally with one end of the sleeve 11, and the Handrail unit 31, 3
Handrail receiver 12 with round seat surface 19 for 2
and a pair of biting protrusions 13, 13 protruding from the seat surface 19 at appropriate intervals, the sleeve 11 is fixed to the coupling units 33, 34 with a knock pin 14, and the seat surface 19 The handrail units 31 and 32 located at the handrail receiver 1
The sleeve 11 is configured to be fixed to the connecting unit 33, 3 with a plurality of screws 15.
A pair of pin holes 16, 16 are provided to match the pin holes 40, 40 of the connecting units 33, 34 when the handrail receiver 12 is connected to the end of the handrail receiver 12. A contact surface 18 is formed on the shoulder 17. Of course, the abutment surface 18 will be similar to the steel pipe 36 when the sleeve 11 is fitted onto the ends of the coupling unit 33, 34.
The load applied to the handrail units 31, 32 can be transmitted to the connecting units 33, 34.

As can be understood from FIG. 4, the handrail receiver 12 has handrail units 31 and 32 on the round seat surface 19.
A pair of counterbore holes 20, 20 are formed for screws 15, 15 for fixing.

As shown in FIG.
When tightened to the seat surface 19 by 5,
It bites into the tire layer 37 of the handrail units 31, 32 and prevents the handrail units 31, 32 and the connecting units 33, 34 from shifting.

Therefore, the protruding length of the biting protrusions 13, 13 is determined depending on the thickness of the tire layer 37.

Since the joint 10 is configured in this manner, the handrail units 31, 32 and the connecting units 33, 34 are very simply prevented from slipping and are firmly connected to each other. That is, the contact surface 18 is the steel pipe 3
6, and then rotate the sleeve 11 to align the pin holes 16, 16 and 40, 40 with each other and tighten the knob pin 1.
4 into the pin holes 16, 16 and 40, 40.

Knock pin 14 is driven in like that,
The sleeve 11 connects the connecting units 33, 34.
Once the handrail units 31 and 32 are fixed to the seat surface 19 of the handrail receiver 12, the counterbore holes 2
Install screws 15 and 15 from 0 and 20 to handrail unit 3.
Screw into the steel pipe 36 of 1 and 32, and insert the biting protrusion 1
3 and 13 are the tire layer 3 of the handrail units 31 and 32.
7 and the handrail units 31 and 32.
is fixed to the seat surface 19.

In this way, the handrail units 31, 32 and the coupling units 33, 34 are simply and quickly coupled by the joint 10.

FIGS. 5 and 6 show a modified example 50 of the joint used in the handrail of the present invention, and this joint 50 is constructed in a split type in order to improve the assembly workability in the field. ing.

The joint 50 is formed integrally with a sleeve 51 fitted into the connection units 33, 34 at the upper end of the connection unit 33 and at both ends of the connection unit 34, and one end of the sleeve 51, A handrail receiver 52 with a rounded seating surface 59 for the units 31 and 32, a pair of biting protrusions 53 and 53 protruding from the seating surface 59 at appropriate intervals, and a connecting unit 33 into which the sleeve 51 is fitted. , 34, a leg cone 55 fitted to the gripper 54, and a leg cone 55 that passes through the handrail units 31, 32
A socket head bolt 56 which is screwed into the socket and which forces the gripper 54 into the steel pipe 36 of the connecting unit 33, 34, and a washer 57 interposed between the sleeve 51 and the gripper 54.
It is composed of:

The sleeve 51 has a shoulder 58 formed at one end to which the handrail receiver 52 is connected, and the connecting units 33, 34 can be fitted up to the shoulder 58.

As can be understood from FIG.
A pair of counterbore holes 60, 60 are formed for screws 61, 61 for fixing. Further, a bolt hole 62 is formed in the handrail receiver 52.

As can be seen from FIG. 6, the biting protrusions 53, 53 protrude from the seat surface 59 of the handrail receiver 52, and the handrail units 31, 32 are secured to each other by the socket head bolts 56 and screws 61, 61. The connecting unit 3 is tightened to the seat surface 59.
3, 34, the handrail unit 3
It bites into the tire layers 37 of No. 1 and 32 and prevents the handrail units 31 and 32 from shifting from the connecting units 33 and 34. Therefore, this biting protrusion 53,
The protruding length of the tire 53 is also determined depending on the thickness of the tire layer 37, as in the case described above.

The gripper 54 is processed into a slotted structure with a bolt hole 63.

The spread cone 55 is provided with a bolt threaded hole 64, and when the socket head bolt 56 is screwed into the threaded hole 64 and tightened,
In order to press the gripper 54 against the steel pipe 36 of the connecting units 33, 34, the outer peripheral surface is tapered.

With the joint 50 configured in this way,
The handrail units 31 and 32 are formed with a bolt head hole 41 and a bolt head hole 42 whose opening axes are aligned with each other, and after being connected to the connecting units 33 and 34, the bolt head holes are opened. 41 into which a blind cap 43 is fitted.

Next, to describe the procedure for connecting the handrail units 31, 32 and the connecting units 33, 34 using the above-mentioned joint 50, first align the bolt holes 42, 62 with each other, and then drill the counterbore holes. Screw the screws 61, 61 from 60, 60 into the steel pipe 36 of the handrail units 31, 32, and while making the protrusions 53, 53 of the seat surface 59 bite into the tire layer 37 of the handrail units 31, 32, remove the sleeve 5.
1 and the handrail receiver 52 to its handrail unit 31,
Fixed at 32.

On the other hand, the gripper 54, into which the leg cone 55 has been temporarily fitted, is fitted into the ends of the connecting units 33, 34.

Next, the sleeve 51 is fitted to the ends of the connecting units 33 and 34 into which the gripper 54 is fitted, and the bolt head holes 41, bolt holes 42, 62, 63 and washers 57 are passed through. Screw the socket head bolt 56 into the threaded hole 64 of the splay cone 55 and tighten.

As such, the socket head bolt 56
When tightened by the leg cone 55
forces the grippers 54 apart, and the handrail units 31, 32 are firmly connected to the connecting units 33, 34.

After that, fit the blind cap 43 into the bolt/head hole 41 and attach the handrail units 31, 3.
2 and the connecting units 33 and 34 are completed.

According to the above invention, the sleeve is formed to fit one end of the connecting unit, and the handrail receiver is integrally formed at one end of the sleeve.
Moreover, since it is provided with a seat surface on which the handrail unit is placed, and the biting protrusion is protruded from the seat surface, the handrail unit and the connecting unit made of the handrail material with a tire layer formed on the surface of the metal core material can be mounted on the T.
This makes it very suitable for use in handrail assembly by connecting it in a shape, and it also allows for a strong connection, and along with that, it can be used for a long time without rattling. This improves assembly workability on site, provides a beautiful assembly finish, prevents corrosion of joints caused by water and detergent, prevents dirt at joints caused by dust, and keeps handrails clean. , becomes extremely practical.

[Brief explanation of drawings]

Figure 1 is a perspective view of a handrail assembled using the joint used in the handrail of the present invention and installed around a Western-style toilet bowl, and Figure 2 is 2-2 in Figure 1.
3 is a partial sectional view of the joint shown in FIG. 1 in the axial direction of the handrail, and FIG. 4 is a cross-sectional view of the joint shown in FIG. Partial sectional view taken in a direction perpendicular to the axis of
The figure shows a modified joint of this invention, and the third
FIG. 6 is a partial sectional view of the joint shown in FIG. 5 in a direction corresponding to FIG. 4; 10, 50... Joint, 11, 51... Sleeve, 12, 52... Handrail receiver, 13, 53... Biting protrusion, 17, 58... Shoulder, 18... Contact surface,
19,59...R seat, 54...Gritzpa,
55...Spread cone, 56...Socket head bolt.

Claims (1)

[Scope of Claims] 1. A handrail unit and a connecting unit each made of a handrail material including a metal core material and a tire layer formed on the surface of the core material, with the handrail materials in a T-shape, and connecting them to each other, A sleeve fits one end of the connecting unit, a handrail receiver is integrally formed on one end of the sleeve, and has a seat surface on which the handrail unit is placed, and a biting protrusion projects from the seat surface. A joint used for handrails characterized by: