JPS5850237A - Pipe material with stopcock member - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a pipe material with a plug member used as a building material, a floor material, a scaffolding board, etc.

The inventor discovered that hollow pipes such as metal pipes (
A pipe material with a plug member has been developed in which a plug member (C) made of synthetic resin or rubber is inserted into the opening (b) of a). This pipe material with a plug member is a hollow pipe (a) due to the plug member (C)-ζ.
Since the opening (b) is closed, it is possible to prevent water and dust from entering the interior, and it is possible to improve corrosion resistance. In addition, this tube material with a plug member can support the end (@) of the hollow tube (1) from the inside by the insertion protrusion (d) of the plug member (C), so it can be protected from falling or contact with other objects. Even if an impact force is applied to the end (e) when the
If the end (6) is recessed, it is often possible to avoid rattling (and the durability can be improved.Furthermore, since the plug member (C) is made of synthetic resin or rubber, , can provide cushioning properties to the end surface of the pipe material with the plug member,
This is advantageous when falling.

As described above, the pipe material with a plug member has various advantages, but on the other hand, if it is subjected to an impact in the direction of axial compression, such as when dropped, the plug member (
C) is said to bite into the opening of the hollow tube (Hatake), deform the end (e) of the hollow tube (3I) in the expansion direction, and easily deform the overall shape. In particular, when the wall thickness of the hollow tube (a) is made thinner in order to make the tube material with the plug member lighter, the head portion (f) of the plug member (C) and the insertion protrusion (
d) (corresponding to the above wall thickness) becomes smaller,
In addition, since the end (e) of the hollow tube (1) is more easily deformed, the plug member (C) is more likely to bite into the opening (b), and the above-mentioned drawbacks become more noticeable. was there.

The present invention takes advantage of the advantages of the pipe material with a plug member, and
It is an object of the present invention to provide a tube material with a plug member that corrects the above-mentioned drawbacks.

In order to achieve the above object, the present invention has a plug member (3) made of synthetic resin or rubber, as illustrated in the illustrated embodiment.
) and the open end (2) of the hollow tube (1) to prevent the head (lO) of the stopper member (3) from sinking into the open end (2) of 6u. It is characterized in that the tube material with a plug member is constructed by interposing a biting prevention tool (6) made of metal or the like.

The present invention will be specifically explained below based on the implementation number ζ shown in the drawings. The actual example shown in Figures 1 and 2 is a plate-like structure in which multiple metal pipes (hollow pipes) (1) (1) --- with a rectangular cross section are arranged side by side and integrated by spot welding etc. This relates to a pipe material (8) in which a plug member (3) (3) in which a cap-shaped anti-biting device (6) is fitted is inserted into both sides of the pipe material (8). The plug member (3) is made of synthetic resin and has cushioning properties. This plug member (3
) is the −u[ of the head (10) and this head (lO)
The metal pipe (1) (1) protruding from 1 (11) -
- The same number of insertion protrusions (9) (9) --- and the same number of insertion protrusions (9). The biting prevention tool (6) is formed of a metal plate, and has the same number of recesses (8) (8) for accommodating the insertion protrusion (91 (9)), and It has a peripheral edge part (7) located around these recessed parts (8) (8).

As shown in FIG. 2, the plug member (3) covered with the biting prevention device (6) is attached to each metal pipe (1) (1) -- one open end (2) (2) ---. The recessed portions (81
(81--1) and the insertion protrusions (9) (9) are inserted into each of both ends of the plate-like member (8).Thereby, each metal pipe (1 )
and the end surface (4) of the plug member (3) ii. The surface that contacts the surface (4) (in this embodiment, the − surface (t) of the head portion (10)
gK matches. ) (5) 1 biting prevention tool (6
) is interposed, and the concave part (8J) of the biting prevention tool (6) covers the entire outer surface of the insertion protrusion (9) of the plug member (3).

In this embodiment, the plug member (3) covered with the biting prevention tool (6) is shown.
) are inserted into each of both ends of the plate-shaped member (A), and then these four circumferential surfaces are covered with a synthetic resin outer cover (12). During this covering, the outer skin (12) and the plug member (3) are mixed together and become two pieces, and the plug member (3) and the anti-biting tool (6)
is fixed in place.

The present invention can be constructed in various ways other than those shown in the above embodiments. For example, the biting prevention tool (6) may be formed by bending a metal plate as shown in FIG.

In the above embodiment, a plurality of hollow tubes (1) (1) ---
The present invention is applied to a plate-shaped tube material (5) consisting of 1
It goes without saying that the present invention can be implemented on a tube material consisting of a real hollow tube (1), and the hollow tube (1) is of course not limited to a rectangular shape.

In addition, in the above embodiment, the stopper member (3) is made of synthetic resin, and the anti-biting tool (6) is made of metal, but instead of this, the former is made of rubber. , the latter is made of a shape-retaining rigidity material other than metal, such as FR.
It can be made of P, fluorine-based fat.

Furthermore, a hollow tube (1), a biting prevention tool (6) and a plug member (
The three self-attachment means in 3) are not limited to the above embodiments.

Since the present invention has the above configuration, the following effects can be achieved.

(2) A bite prevention tool made of metal or the like is interposed between the plug member and the open end of the hollow tube to prevent the head of the plug member from sinking into the open end. Even if an impact force is applied in the axial compression direction, such as when a fall occurs, the head of the plug member can be prevented from biting into the opening of the hollow tube, which in turn prevents the end of the hollow tube from expanding. This can prevent deformation in the direction and loss of dimensions and shape. As a result, the durability of the plug member can be improved.

■ The end of the hollow tube is not only supported from inside by the insertion protrusion of the plug member, but also supported from the inside by the recess of the bite prevention part that covers the insertion protrusion. , the strength of the end portion of the hollow tube is increased, and durability can be improved.

■ Since the opening of the hollow tube is closed with a plug member made of synthetic resin or rubber, it is possible to prevent water and dust from entering the inside and improve corrosion resistance.
This can also be achieved by providing cushioning properties to the ends of the tube.

[Brief explanation of drawings]

Fig. 1 is a partially cutaway perspective view showing the actual kfA of the present invention with the stopper member inserted into one end of the metal pipe and the biting preventer removed, and No. 21C1 is a longitudinal sectional plan view of the main part thereof. , FIG. 3 is a perspective view showing a biting prevention tool of another embodiment, and FIG. 4 is a longitudinal cross-sectional view of the main part of the preceding pipe material with a plug member. (1) --One hollow tube (2) --One open end (3
) ---Plug member (10) ---Head part Fig. 4 Fig. 3

Claims (1)

[Claims] (1) Formed with metal or the like to prevent the head of the plug member from sinking into the open end between the plug member made of three-component resin or rubber and the open end of the hollow tube. 1. A pipe material with a plug member, characterized by interposing a biting prevention device.