JP2562375Y2 - Connecting device for temporary pipe - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to interconnecting support pipes for constructing temporary scaffolding and formwork supports, and in particular for connecting temporary pipes directly to the side surfaces of the support pipes. It concerns the device.

[0002]

2. Description of the Related Art A conventional temporary scaffolding or formwork support has been constructed by fixing a clamp to the side surface of a support pipe and attaching a horizontal connecting member to the clamp. Also,
As a connecting structure that does not use the clamp, the present applicant has previously proposed a connecting device that directly connects a horizontal connecting member to a side surface of a support pipe (registered utility model No. 1890033).
And Japanese Utility Model Application Laid-Open No. 62-131549). In these devices, a fixed cup for connecting a horizontal tether is fixed in advance to a side surface of a support pipe, and an end of the horizontal tether is directly connected to the fixed cup when constructing a scaffold.

[0003]

SUMMARY OF THE INVENTION The construction efficiency of a support device that does not use a clamp is significantly improved as compared with the construction using a clamp. However, according to this support device,
There was a problem in the durability of the horizontal timber. That is,
According to the conventional support device, a pair of vertically extending tongue-shaped locking pieces is provided at the tip of the horizontal connecting material, and the locking pieces are inserted into the upper and lower cup pieces and tightened. is there. At this time, in order to connect the horizontal connecting member and the support pipe, the tip of the horizontal connecting member was pressed against the side surface of the support pipe. Therefore, the tongue-shaped locking piece must always maintain the shape accuracy that can be inserted into the upper and lower cup pieces, and even if this locking piece is slightly deformed, the cup piece is deformed. If the crocodile cannot be inserted into the crocodile, there is a problem that the horizontal tether itself cannot be used. In addition, since the tongue-shaped locking piece is provided at the end of the horizontal connecting material, it is located at a position where it is easily damaged during transportation, use, and storage, and defective products are generated due to deformation of the locking piece. It was extremely large.

[0004] In view of the above, the present invention has been devised in order to solve the above-mentioned problems.
An object of the present invention is to provide a connecting device for a temporary pipe that can reliably connect even if a slight deformation occurs.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention comprises a lower receiving connecting member 2 previously fixed to a side surface of a supporting pipe 1 for constructing a temporary scaffold or a formwork support P; An upper tightening connector (3), which is screwed to a screw portion (6) provided on a side surface of the support pipe (1) above the tool (2) and is mounted to be vertically movable. Then, the ends of the horizontal connecting member 4 are connected to the pair of upper and lower connecting members 2 and 3.

[0006] At the end of the horizontal connecting member 4, a horizontal connecting member 4 is provided.
A columnar locking body 5 which is narrower and extends vertically is connected in series. Then, trough-shaped locking grooves 5A are provided at the upper and lower ends of the locking body 5.

On the other hand, a lower receiving cup 2 and an upper tightening cup 3
And the upper and lower locking grooves 5 of the horizontal tie 4
That is, the locking ridges 2A and 3A that lock to A are provided so as to face each other along their respective outer peripheral edges.

[0008]

According to the present invention, the lower receiving connector 2
The locking body 5 provided at the distal end of the horizontal connecting member 4 is connected to the locking ridges 2A, 3A between the locking member 5 and the upper tightening connector 3. At this time, the locking body 5 locks the locking groove 5A with the opposing protrusions of the locking ridges 2A and 3A, and clamps the upper tightening connector 3.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. Reference numeral 1 shown in the figure is a support pipe for constructing a support P for temporary scaffolding and formwork (see FIG. 1).
A disc-shaped lower receiving coupling 2 is fixed to a side surface of the support pipe 1 in advance. A disk-shaped upper tightening connector 3 is provided on the support pipe 1 above the lower receiving connector 2 so as to be vertically movable. The upper tightening connector 3 includes a support pipe 1
The height of the lower receiving coupling 2 can be adjusted by screwing it to the threaded portion 6 provided on the side surface of the lower part. The illustrated upper tightening connector 3 has a rotating projection 3B protruding from a side surface that is easy to hit with a hammer or the like when the upper tightening connector 3 rotates (see FIG. 3). The screw portion 6 is provided in a protruding shape on a side surface of the fitting cylinder 6A which is fitted to the support pipe 1 and fixes the fitting cylinder 6A to an appropriate position of the support pipe 1 ( (See FIG. 2). At the end of the horizontal connecting member 4, a columnar locking body 5 which is narrower than the horizontal connecting member 4 and extends vertically.
Are connected in series. Then, trough-shaped locking grooves 5A are provided at the upper and lower ends of the locking body 5.

On the other hand, the upper and lower locking grooves 5 of the horizontal connecting material 4
Locking projections 2A and 3A that are locked to A are protruded in opposition along the outer peripheral edges of the lower receiving connector 2 and the upper tightening connector 3 respectively. The locking body 5 in the illustrated example is provided separately from the support pipe 1. When the locking ridges 2A and 3A are locked in the locking groove 5A, the distal end of the locking body 5 is provided so as not to contact the side surface of the support pipe 1.

According to the method of use of the present invention, first, the lower locking groove 5A of the locking body 5 provided at the tip of the support pipe 1 is locked to the locking ridge 2A of the lower receiving connector 2. Next, in a state where the upper locking groove 5A of the locking body 5 is locked to the locking ridge 3A of the upper tightening connector 3, the upper tightening connector 3 is tightened by the lower receiving connector 2 and fixed. Things.

[0012]

According to the present invention, as described above, a columnar locking member which is narrower than the horizontal connecting material and extends vertically is connected to the end of the horizontal connecting member, and the upper and lower ends of the locking member are connected. The lower receiving cup and the upper tightening cup have a disk shape, and the locking ridges that lock the upper and lower locking grooves of the horizontal tie material are provided on the outer peripheral edge of each. As a result, the locking members provided at the tips of the horizontal connecting members can be connected without contacting the side surfaces of the support pipe. As a result, it is not necessary to always maintain the shape accuracy of the locking piece, unlike the conventional coupling device in which the locking piece is inserted into the upper and lower cup pieces, and even if slight deformation occurs, Connection has become possible, making it extremely durable.

In addition, the locking body can be connected in any direction of the disc-shaped lower receiving connecting tool and the upper tightening connecting tool. Further, since the locking body is formed narrower than the horizontal connecting member, many horizontal connecting members can be connected to the support pipe.

As described above, according to the present invention, even if a slight deformation occurs, reliable connection is possible, and the durability is extremely high. Further, the horizontal connecting member can be connected in any direction of the support pipe. In addition, there are various practically useful effects such as that many horizontal connecting members can be connected to the support pipe.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a connected state.

FIG. 2 is a perspective view showing a connected state.

FIG. 3 is a plan view showing a connected state.

FIG. 4 is a perspective view showing a use state.

[Explanation of symbols]

P support 1 support pipe 2 lower receiving coupling 2A locking ridge 3 upper tightening coupling 3A locking ridge 3
B Rotating protrusion 4 Horizontal connecting material 5 Locking body 5A Locking groove 6 Screw 6A Fitting cylinder

Claims (1)

(57) [Scope of request for utility model registration] The present invention relates to a support pipe for constructing a support for a temporary scaffold or a formwork. An upper fastening connector that is movably mounted, and a connecting device for a temporary scaffold that connects the ends of the horizontal connecting material to the pair of upper and lower connecting devices. And a column-shaped locking body extending vertically is provided in series, and a valley-shaped locking groove is provided at the upper and lower ends of the locking body. On the other hand, the lower receiving connector and the upper tightening connector have a disc shape. A connecting device for a temporary pipe, characterized in that locking projections for locking the upper and lower locking grooves of the locking body are provided facing each other along respective outer peripheral edges.