JPH09151601A - Pipe connecting tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pipe connecting tool which can sandwich and hold two pipes in parallel for connecting them, and is excellent in strength, and can therefore construct stable scaffold. SOLUTION: Two or more of pipe supports 3 for arranging pipes are formed side by side on one basic material 1, and an openable cover 4 which opens and closes on each pipe support is formed in the basic material 1, and a bolt 5 protruding toward the openable cover is attached to the basic material, and provided with a pressing element 6 which can cover the two or more openable covers 4, and a nut 7 is attached to the part above the pressing element 6 of the bolt 5. An attaching tool 9 to which an other member can be detachably attached is provided on the side opposite to the protruding direction of the bolt 5 of the basic material 1.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The pipe connector of the present invention is used for supporting and connecting scaffolding pipes used for assembling scaffolding for construction. It can be arranged in parallel and supported or connected.

[0002]

2. Description of the Related Art Conventionally, a connecting tool as shown in FIG. 7 (a) has been used to support or connect scaffolding pipes used for assembling scaffolding for construction in parallel. This connecting tool can clamp and release scaffolding pipes. 2
The receiving portions H of the two clamps O are welded to the concave portions B formed in the connection base material A, respectively. This clamp O is connected to a substantially semicircular receiving part H by a connecting pin J so that the opening / closing lid I can be opened and closed, and a nut Q screwed to a bolt K attached to each receiving part H. When it is loosened, the opening / closing lid I is opened, and when the nut Q is tightened, the opening / closing lid I is tightened. A gravity pin P is welded to the bottom surface of the connection base material A, as shown in FIG.
The gravity pin P can be attached through the through hole K of the reinforcing pipe T for bracing.

Conventionally, the clamps O shown in FIG. 7 may be used individually without welding to the connecting base material A.

[0004]

The connector shown in FIG. 7 has the following problems. . Open / close lid J by loosening or tightening the two screws Q
Had to be opened and closed, which was troublesome. . Since the two clamps O formed separately are welded to the connection base material A, the structure is complicated. Further, since the two clamps O are welded to the connection base material A, the welding work is troublesome.

When the clamps O are used one by one, if the load applied to the scaffolding pipe is too heavy, each scaffolding pipe may not be able to support it, and the scaffolding pipe may bend or buckle. , The scaffold becomes unstable,
It was dangerous.

The object of the present invention is to enable two pipes to be sandwiched in parallel, to be held and connected, and to have excellent strength.
An object is to provide a pipe connector that can construct a stable scaffold.

[0007]

As shown in FIG. 1, a pipe connector according to a first aspect of the present invention is formed by arranging two or more pipe receiving portions 3 on which a pipe 2 can be arranged on one base material 1. ,
An openable / closable lid 4 is formed on each pipe receiving portion 3 of the base material 1, and a bolt 5 projecting toward the open / close lid 4 side is attached to the base material 1. The bolt 5 is attached to the pipe receiving portion 3. Presser 6 that can be put on two or more open / close lids 4 closed on top of
And a nut 7 for tightening the pusher 6 is attached above the pusher 6 in the bolt 5.

The pipe connector according to claim 2 of the present invention is
In the pipe connector according to the first aspect of the present invention, a mounting member 9 to which another member 8 can be attached and detached is provided on the side of the base material 1 opposite to the protruding direction of the bolt 5.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1 An example of an embodiment of a pipe connector of the present invention will be described in detail with reference to FIGS. FIG.
The pipe connector shown in (1) is formed by arranging two substantially semicircular pipe receiving portions 3 side by side on a horizontally long base material 1 made of metal. An openable / closable metallic opening / closing lid 4 is rotatably mounted on each pipe receiving portion 3 by a pin 11 at the outer end of each pipe receiving portion 3. The opening / closing lid 4 is curved upward in a substantially semicircular shape, and is supported by the pipe receiving portion 3 for the scaffolding pipe 2
It is designed to cover the top. Further, a recess 12 is formed in the widthwise direction on the upper surface of the inner end of the opening / closing lid 4, and as shown in FIG. 3, the longitudinal end of the presser 6 is locked to position the presser 6. Is done.

A bolt 5 is mounted between the two pipe receiving portions 3 of the base material 1 so as to project upward, and moreover, the bolt 5 is rotatable in any direction of 360 degrees. It is attached to the support pin 13.

As shown in FIG. 2 (a), the bolt 5 is provided with a pressing member 6 for covering the two opening / closing lids 4 closed on the pipe receiving portion 3. The presser 6 is a rectangular metal plate, and a through hole 14 having a diameter larger than the outer diameter of the bolt 5 is formed at the center thereof so that the bolt 5 can be loosely penetrated into the through hole 14.

A nut 7 is attached above the pressing element 6 of the bolt 5. When the nut 7 is tightened, the pusher 6 can be pressed against the opening / closing lid 4, and the nut 7
When the lever is loosened, the pusher 6 can be separated from the opening / closing lid 4.

At the center of the bottom surface of the base material 1 in the longitudinal direction (immediately below the bolt 5), a mounting portion 9 having a screw hole 15 penetrating therein is mounted. For example, an elongated hexagonal nut is used for the mounting portion 9, and one end in the longitudinal direction thereof is welded to the lower surface of the base material 1. This mounting part 9
Is used, for example, to mount the reinforcing pipe 16 as shown in FIG. In this case, the longitudinal end portion of the reinforcing pipe 16 is applied to the end surface of the attachment portion, and the bolt 17 is screwed into the screw hole 15 from the outside through the through hole 18 formed in the reinforcing pipe 16 to form the reinforcing pipe 16. To the mounting portion 9. The mounting portion 9 can also be used to mount another clamp 19 as shown in FIG. 6, for example. In this case, a bolt 21 is provided so as to project from the bottom of the fixing member 20 of the clamp 19, and the bolt 21 is attached to the screw hole 15 of the mounting portion 9.
It can be attached by screwing into. This clamp 19 is the same as the conventional scaffolding pipe clamp. It has an opening / closing lid 22 attached to a fixing member 20 so as to be opened and closed by a pin 23, and a tightening bolt 21 rotatably attached to the fixing member 20. 22 can be locked, bolt 21
Further, a nut 24 for attaching it to the opening / closing lid 22 is attached. When the nut 22 is loosened, the opening / closing lid 22 is opened, and when it is tightened, the opening / closing lid 22 is closed.

[0014]

Other Embodiments of the Present Invention This pipe connecting tool basically supports the round pipe 2, but the pipe receiving portion 3 and the opening / closing lid 4 are formed into a square shape so as to support the square pipe. It may be molded.

[0015]

USE EXAMPLE 1 A first use example of the pipe connector of the present invention will be described in detail with reference to FIGS. First, as shown in FIGS. 1 and 3, the opening / closing lid 4 is opened and the two round pipes 2 for scaffolding are brought into contact with the pipe receiving portion 3. In this state, the opening / closing lid 4 is rotated so as to cover the circular pipe 2, and is completely rotated until the ends of the opening / closing lid 4 face each other. Then, the nut 7 attached to the bolt 5 is tightened to push the pusher 6 downward, the longitudinal end of the pusher 6 is locked in the recess 12 of the open / close lid 4, and the end portions of both open / close lids 4 are locked. Hold down at the same time. As a result, the opening / closing lid 4 is fixed,
As shown in FIG. 4, two pipes 2 are connected in parallel.

[0016]

[Use Example 2] A second use example of the pipe connector of the present invention will be described in detail with reference to FIG. This is an example in which the reinforcing pipe 16 is attached to the attachment portion 9 of the base material 1. First, as shown in FIG. 5 (a), two pipes 2 are erected in parallel, predetermined portions above and below the pipes 2 are supported by connecting tools, and further erected in parallel at adjacent positions. A connecting tool is also attached to and supported by the two pipes 2. At this time, when one end of the reinforcing pipe 16 is attached to the connecting tool that supports the lower side of the one connecting pipe 2a, the other end is attached to the connecting tool that supports the upper side of the other connecting pipe 2b and is passed between the connecting tools. The reinforcing pipe 16 is crossed between the connecting pipes 2a and 2b to form a bracing. As for mounting the reinforcing pipe, as shown in FIG. 5B, the longitudinal end of the reinforcing pipe is applied to the end face of the mounting portion, and the bolt 17 is formed on the reinforcing pipe 16 from the outside thereof. The reinforcing pipe 16 is attached to the attachment portion 9 by screwing through the inside into the screw hole 15. The reinforcing pipe 16 is formed flat on both ends.

[0017]

[Use Example 3] A third use example of the pipe connector of the present invention will be described in detail with reference to FIG. This is an example in which the clamp 19 is attached to the attachment portion 9 of the base material 1. in this case,
A bolt 21 protruding from the bottom of the fixing material 20 of the clamp 19.
Is screwed into the screw hole 15 of the mounting portion 9. As a result, a new pipe can be connected to the clamp 19, and the scaffold can be strengthened and the stability can be maintained. Both the reinforcing pipe 16 and the clamp 19 may be attached to the attachment portion 9.

[0018]

The pipe connector according to the first aspect of the present invention has the following effects. . Since the two pipes can be connected in parallel and the state can be surely maintained, a stable scaffold with high strength can be realized. . Both opening and closing lids can be fixed and released simply by tightening or loosening the nuts. Therefore, since two pipes provided in parallel can be connected or disconnected at the same time, the handling becomes very easy, and the work time for assembling the entire scaffold or the work for removing the scaffold is greatly reduced. Moreover, one person can work smoothly. . Further, since the individual clamps are not purposely welded and attached, the labor of the welding work can be saved. . By providing the pressing element, the opening / closing lid can be reliably pressed down. Therefore, the pipe can be reliably supported.

The effects of the pipe connecting device according to the second aspect of the present invention are as follows. . Since a reinforcing pipe as a bracing can be attached to the attaching portion, the strength as a scaffolding is increased. . Furthermore, since a clamp can be attached to the attachment portion, a new pipe can be attached to strengthen the scaffolding. Moreover, it can be used for various purposes other than strengthening the scaffold. . In addition to this, it is also possible to attach a hook or the like to the mounting portion to hang an object.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a pipe connector of the present invention.

2A and 2B show a first embodiment of a pipe connector of the present invention, (a) is a top view, (b) is a side view,
(C) is XX sectional drawing of (a).

FIG. 3 is a side view showing the first embodiment of the pipe connector of the present invention, in a state where the opening / closing lid is opened.

FIG. 4 is a perspective view showing an example of use of the pipe connector of the present invention.

5A and 5B are views in which a reinforcing pipe is attached as a brace to the attachment portion of the pipe connecting tool of the present invention, FIG. 5A is a plan view showing an attached state, and FIG. 5B is a partial detailed view.

FIG. 6 is a plan view showing a state in which a clamp is attached to the attachment portion of the pipe connector of the present invention.

FIG. 7A is a perspective view showing a conventional pipe connector,
(B) is a perspective view of a state in which a reinforcing pipe is attached to the pipe connector of (a).

[Explanation of symbols]

 1 Base material 2 Pipe 3 Pipe receiving part 4 Opening / closing lid 5 Bolt 6 Pusher 7 Nut 8 Other member 9 Mounting part

Claims (2)

[Claims] 1. A base material (1) is formed with two or more pipe receiving parts (3) capable of arranging pipes (2) arranged side by side, and each base material (1) has a pipe receiving part (3). An openable / closable lid (4) is formed on the top, and a bolt (5) protruding toward the openable / closable lid (4) is attached to the base material (1).
Is provided with a pusher (6) that can be put on the two or more closed lids (4) closed on the pipe receiving part (3), and is provided above the pusher (6) of the bolt (5). A pipe connector comprising a nut (7) for tightening a pusher (6). 2. The pipe connector according to claim 1, wherein a mounting member (9) to which another member (8) is attachable / detachable is provided on the side of the base material (1) opposite to the protruding direction of the bolt (5). A pipe connector characterized by being provided.