JPH1088791A - Orthogonal clamp fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an orthogonal clamp fixture with which any of various scaffold or the like can be easily assembled and disassembled without using a wrench and a spanner through one-touch manipulation, and which is excellent in safety, and in which a clamp body or clamping supports can be simply and inexpensively formed. SOLUTION: A pipe fitting part 4 for a circular pipe is provided at one end of clamp plates 2a, 2b of a rectangular pipe-like clamp body 1 having a suitable length, which are opposed together, and a pipe fitting part for another circular pipe are provided at the other end part of the clamp panels 3a, 3b. Fixing protrusions 13 adapted to be fitted in fixing holes in the circular pipes are formed in the center parts of opposite surfaces of a stationary panel in the clamp body 1. The proximal end parts of clamp supports 15, 17 with the pipe fitting parts 14, 16 for the pipes are swingably supported to one end part of other clamp panels 3b and the other end part of the opposed other clamp panels 2b so that the front ends of an inner locking panel 25 is releasably locked to an engaging holes 8, 6 of the clamp panes 3a, 2a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to the construction of various temporary scaffolds such as a mobile scaffold (rolling tower), a frame scaffold, and a single-pipe scaffold mainly in construction work, exterior wall construction, interior wall construction, repair work and the like. Suitable, other, temporary stage, temporary seat, temporary warehouse, temporary work table, temporary tent,
The present invention relates to an orthogonal clamp fitting suitable for easily constructing a temporary bet or the like.

[0002]

2. Description of the Related Art Conventionally, this type of orthogonal clamp fitting includes a substantially C-shaped clamp body provided with a pipe fitting portion, a clamping body which is swingably supported by one end of the clamp body. Forming a pair of clamps comprising a fixing bolt swingably supported at the other end of the clamp body,
The outer surfaces of the clamp bodies of the respective clamps are fixed to each other in an orthogonal state. At the time of assembling and disassembling the temporary scaffold or the like, the pair of clamps of the orthogonal clamp is fitted into a connection portion between one round pipe and the other round pipe so as to be connected, and a nut is attached to the tip of the fixing bolt. And the nut is strongly tightened with a tool such as a wrench or spanner, or the nut is loosened with a tool such as a wrench or spanner.

[0003]

However, when assembling and disassembling various temporary scaffolds, the nuts of the fixing bolts are strongly tightened with a tool such as a wrench or a spanner, or the nuts are loosened with a tool such as a wrench or a spanner. Not only is the operation of assembling and disassembling extremely troublesome, but also the nuts can be loosened and the clamps can be displaced from the connection between one round pipe and the other round pipe to connect. Was extremely dangerous. In addition, since the clamp body is formed from a flat plate material, it is troublesome and expensive to form the clamp body.

Accordingly, the present invention has been made in view of the above-described problems, and has been developed in various fields such as a mobile scaffold, a framework scaffold, a single pipe scaffold, and the like in construction work, outer wall work, inner wall work, repair work, and the like. The temporary scaffold can be easily assembled and disassembled by one-touch operation without using a tool such as a wrench or a spanner, as well as being displaced from a connection portion between one round pipe and the other round pipe for connection. The present invention is to provide an orthogonal clamp fitting which is extremely excellent in safety and can form the clamp body and each clamping and clamping body easily and at low cost.

[0005]

According to the present invention, in order to achieve the above-mentioned object, an orthogonal clamp fitting is provided at one end of one opposed clamp plate of a square pipe-shaped clamp body having an appropriate length. A pipe fitting part to be fitted into one of the round pipes to be connected, and a pipe fitting part to be fitted into the other round pipe to be connected to the other end of the other opposing clamp plate. Each round pipe is diametrically opposed by 90 degrees in the circumferential direction from the diametrically opposed surface of each round pipe to the center of both surfaces of the fixing plate attached to the center of the clamp body in the longitudinal direction. Fixing projections are inserted into the fixing holes alternately and appropriately spaced in the longitudinal direction on the opposing surfaces, respectively, and one end of the other opposing clamp plate and one opposing clamp plate are attached. To the other end of the other clamp plate The distal end of the inner locking plate is opposed to each of the clamping members by a suitable resilient means. They are swingably supported so as to be engaged and disengaged by engaging holes provided in the clamp plate.

Further, the clamp body is formed in the shape of a square pipe having a square shape.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, as an embodiment of the present invention, a state of constructing various temporary scaffolds such as a mobile scaffold (rolling tower), a frame scaffold, a single pipe scaffold and the like will be described with reference to the drawings.

In FIG. 1 to FIG. 3, reference numeral 1 denotes a square pipe-shaped clamp body having an appropriate length,
The clamp body 1 includes two pairs of opposed clamp plates 2.
a, 2b, 3a, 3b, each of which has a substantially U-shaped pipe fitting portion 4 fitted to one of the round pipes A to be connected to one end of the opposed clamping plates 2a, 2b. And a substantially U-shaped pipe fitting portion 5 fitted into the other round pipe B to be connected to each other at the other end portions of the other opposed clamp plates 3a and 3b. A rectangular locking hole 6 is formed at the other end of the opposing clamp plate 2a.
And a bent piece 7, and further, a rectangular locking hole 8 and a bent piece 9 are formed at one end of the other opposing clamp plate 3 a.

At the longitudinal center of the clamp body 1, two mounting pieces 10 are protruded at one side end.
The two fixed plates 11 are connected to one of the opposed clamp plates 2.
Each of the mounting pieces 10 is inserted from the inside to the outside into two mounting holes 12 respectively drilled at the longitudinal center portions of a and 2b, and each is mounted. The fixing holes C which are alternately formed in the diametrically opposed surfaces of the respective round pipes A and B and the opposed surfaces which are displaced by 90 degrees in the circumferential direction from this surface and are provided at appropriate intervals in the longitudinal direction. Each of the clamp plates 3b opposed to each other is provided with a fixing protrusion 13 fitted therein, and a substantially semicircular pipe holding portion 14 for holding the round pipe A is cut off at one end side of the other opposing clamp plate 3b. The base end of the clamping and holding body 15 is swingably supported, and the other end of the other opposing clamp plate 2b is provided on the other end side.
A substantially semicircular pipe holding portion 16 for holding the round pipe B
Are pivotally supported on the base end of the clamped holding body 17 having the notch.

That is, in each of the clamping and holding members 15 and 17, a base plate 19 is bent at a right angle to the base end of the holding plate 18, and a tip plate 20 is provided at the tip of the holding plate 18, and the base plate is 19 is bent at a right angle in the same direction as 19, and side pieces 21 each having the pipe holding portions 14, 16 are continuously provided on both side edges of the holding plate 18 and the base end plate 19, respectively. Base plate 19 and end plate 20
In the vicinity of the holding plate 18, moving holes 22 and 23 are formed, respectively. A locking plate 25 having a stopper piece 24 bent at a right angle at the base end is formed in each of the moving holes 22 and 23, and a distal end side thereof is provided. The moving hole 23 of the distal end plate 20 is inserted through the moving hole 22 of the base end plate 19.
One end is fixed to the inside of the holding plate 18 near the distal end of the locking plate 25 and the other end is in contact with the inner surface of the one-side piece 21 inside the holding plate 18. When the torsion coil spring 26 swings, the tip of the locking plate 25 hits the inner surface of each of the clamp plates 3a and 2a of the clamp body 1 and is immersed against the resilient force. 25 is supported such that the distal end thereof protrudes and is locked in each of the locking holes 8 and 6, and the one end of each of the clamp plates 3b and the other end of each of the clamp plates 2b are It is formed so as to be swingably supported at the base end portion of both side pieces 21 via support pins 27.

Next, a description will be given of the use state of the orthogonal clamp fitting of the present invention. As shown in FIGS. 2 and 3, in the construction work, the outer wall work, the inner wall work, the repair work, etc. When assembling a temporary scaffold such as a pipe scaffold, the surfaces of one round pipe A and the other round pipe B which are diametrically opposed to each other and which are displaced by 90 ° in the circumferential direction from this surface to be connected. Each of the fixing protrusions 13 in the clamp body 1 of the orthogonal clamp fitting of the present invention is provided in an appropriate fixing hole C alternately arranged on the facing surface and at equal intervals in the longitudinal direction.
Is connected to each of the round pipes A,
B, and then each of the clamping and holding members 15 and 17 is swung so that the tip of the inner locking plate 25 abuts against the inner surface of each of the clamp plates 3a and 2a of the clamp body 1 and is screwed. After being immersed against the resilience of the coil spring 26,
The torsion of the torsion coil spring 26 causes the tip of the locking plate 25 to protrude into the locking holes 8 and 6 to lock.

[0012]

As described above, the orthogonal clamp fitting of the present invention is used to connect one end of one of the opposed clamp plates 2a and 2b of the square pipe-shaped clamp body 1 having an appropriate length. The pipe fitting portions 4 fitted into the round pipes A of the above are respectively omitted, and the other opposed clamp plates 3a, 3b
At the other end of the main body, a pipe fitting portion 5 fitted to the other round pipe B to be connected is respectively provided, and the clamp body 1 is provided.
At the center of both sides of the fixed plate 11 attached to the center in the longitudinal direction, the surfaces facing each other in the diametric direction of the round pipes A and B and the surfaces facing each other shifted by 90 degrees in the circumferential direction from this surface. The fixing projections 13 to be fitted into the fixing holes C formed alternately and at appropriate intervals in the longitudinal direction are attached respectively, and one end side of the other opposing clamp plate 3b and one opposing other At the other end side of the clamp plate 2b, the base ends of the clamped holding members 15, 17 which are provided with the pipe holding portions 14, 16 for holding the round pipes A, B are attached to the inner side. The leading end of the locking plate 25 is appropriately resiliently connected to each of the tightening and holding members 15, 1.
7 is supported swingably so as to be detachably engaged with locking holes 8 and 6 provided in the clamp plates 3a and 2a opposed to 7, so that construction work, outer wall work, inner wall work, etc.
In repair work, etc., as shown in FIGS. 2 and 3, each fixing hole C in the clamp body 1 of the orthogonal clamp fitting of the present invention is inserted into each fixing hole C of one round pipe A and the other round pipe B to be connected. The projections 13 are inserted into the respective round pipes A and B so that the respective pipe insertion portions 4 and 5 are connected to each other. Connect the tip of the locking plate 25 to each of the clamp plates 3a, 2a of the clamp body 1.
After hitting against the inner surface of the member and appropriately immersing it against the resilience of the repelling means, the tip of the locking plate 25 is protruded into the locking holes 8 and 6 and locked by the resilience of the repelling means. With only one-touch operation, various temporary scaffolds such as mobile scaffolds, framework scaffolds, single pipe scaffolds etc. can be assembled and disassembled very easily without using tools such as wrench or spanner, as well as one for connecting. Each fixing hole C between the round pipe A and the other round pipe B
Each of the fixing projections 13 in the clamp body 1 of the orthogonal clamp fitting of the present invention is fitted into the rectangular clamp fitting of the present invention. It can be prevented from shifting and is extremely excellent in safety.

Moreover, since the clamp main body 1 is formed into a square pipe shape, a commercially available long square pipe can be sequentially cut into appropriate lengths to form the clamp main body 1, so that the conventional clamp main body can be formed. The clamp body 1 can be formed much easier and at a lower cost than the clamp body 1 formed from a flat plate material.

If the clamp body 1 is formed in the shape of a square pipe having a square shape, each of the clamp plates 2a, 2b, 3a,
Since 3b has the same width, the width and length of each of the clamping and holding members 15 and 17 can be formed to be the same, so that components can be shared, and each of the clamping and holding members 15, 17 can be formed. 17 can also be formed easily and inexpensively.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of an orthogonal clamp according to the present invention.

FIG. 2 is a perspective view showing a use state of the orthogonal clamp of FIG. 1;

FIG. 3 is a cross-sectional plan view of a main part of FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Clamp main body 2a Clamp plate 2b Clamp plate 3a Clamp plate 3b Clamp plate 4 Pipe fitting part 5 Pipe fitting part 6 Locking hole 7 Folding piece 8 Locking hole 9 Folding piece 10 Mounting piece 11 Fixing plate 12 Mounting hole DESCRIPTION OF SYMBOLS 13 Fixing projection 14 Pipe clamp 15 Clamping clamp 16 Pipe clamp 17 Clamping clamp 18 Clamping plate 19 Base end plate 20 End plate 21 Side piece 22 Moving hole 23 Moving hole 24 Locking piece 25 Locking plate 26 Torsion coil spring 27 Support pin A Round pipe B Round pipe C Fixing hole

Claims (2)

[Claims] 1. An end portion of one opposed clamp plate of a clamp body in the form of a square pipe having an appropriate length is provided with a pipe fitting portion for fitting into one of the round pipes for connection, and At the other end of the other opposing clamp plate, a pipe fitting portion to be fitted into the other round pipe to be connected is respectively omitted, and a fixing plate attached to a central portion in a longitudinal direction in the clamp body is provided. At the center of both surfaces, each fixing hole drilled in the diametrically opposed surface of each of the round pipes and the opposed surface shifted 90 degrees in the circumferential direction from this surface alternately and at appropriate intervals in the longitudinal direction. Attach fixed projections that fit into
At one end of the other opposing clamp plate and at the other end of the other opposing clamp plate, a pipe clip portion for clipping each of the round pipes is provided. The base end of the holding member is releasably locked to a locking hole provided in a clamp plate in which the tip of the inner locking plate is opposed to each of the tightening members via appropriate resilient means. Characterized in that they are swingably supported so that they can be rotated. 2. The orthogonal clamp according to claim 1, wherein the clamp body is formed in the shape of a square pipe having a regular square shape.