JPH06280386A - Pipe clamp device - Google Patents

Abstract

PURPOSE:To quickly clamp and loosen a pipe by rotatably providing an upper frame having a pipe receiving part on one side of a device main body having a pipe receiving part, and providing a quick lever in such a manner as to be freely pressed to the upper frame. CONSTITUTION:A pipe receiving part 2 of a device main body 1 is installed on a pipe 3, an upper frame 6 is turned on a pin 18 toward the main body 1, and the pipe 3 is surrounded with a pipe receiving part 11 of the upper frame 6 and the pipe receiving part 2. Subsequently, a T-shaped bolt 9 is inserted in an opening part 14 of the upper frame 6, a quick lever 16 is positioned on the same axis of the bolt 9, and the lever 16 is raised and turned on the bolt 9. Subsequently, a pin 15 is moved in the axial direction along the screw part 9a of the bolt 9 and the upper frame 6 is pressed to the main body 1 side to primary-clamp the pipe 3. When the lever 16 is turned on the pin 15 toward the upper frame 6, a cam head 18 of the lever 16 is pressed to a recess surface 6a of the upper frame 6 to secondary-clamp the pipe 3. When the lever 16 is further turned, it is stored in a lever storing space 13 of the upper frame 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe clamp device for fast and easy tightening and removing.

[0002]

2. Description of the Related Art As a pipe clamp device of this type, as shown in FIG. 3, a substantially L-shaped main body 5 having a pipe receiving portion is provided.
0, an upper frame 51 pivotally attached to one end of the main body 50, and a fixing bolt 52 pivotally attached to the other end of the main body 50. Thus, there is a structure in which the lower surfaces are fixed to each other. In this pipe clamp device, by fixing the pipe 54 to the pipe receiving portion of the main body 50, the two pipes 5
4, 54 are arranged so as to be orthogonal to each other. In this case, the pipe 54 is fixed by surrounding the pipe 54 mounted on the pipe receiving portion with the main body 50 and the upper frame 51, and fixing the bolt 5
2 is engaged with the upper frame 51, and the nut 55 provided on the fixing bolt 52 is tightened by a ratchet tool separately provided.

[0003]

However, in the pipe clamp device of the above-mentioned type, when fixing the pipe to the pipe receiving portion, an operator requires a troublesome work of tightening the nut by using a ratchet tool provided separately. Therefore, there is a limit to the improvement of work efficiency. Moreover, when performing such work at a high place, if the ratchet tool falls away from the hand, it may hit a worker or a passerby passing underneath, which poses a safety problem.

The present invention has been made in view of the above points, and an object of the present invention is to provide a pipe clamp device for quickly and easily performing the tightening and removing operations of a pipe without using a ratchet tool.

[0005]

DISCLOSURE OF THE INVENTION A pipe clamp device of the present invention has a device main body having a pipe receiving part, a pipe receiving part inside and a reinforcing rib forming a lever accommodating space outside, and a pipe receiving part of the device main body. An upper frame rotatably provided on one side of the portion, a T-shaped bolt rotatably provided on the other side of the pipe receiving portion of the apparatus body, and a screw portion of the T-shaped bolt. It has a pin and a lever that has a cam head and is attached to the T-shaped bolt via the pin. The lever is a primary tightening that rotates around the T-shaped bolt in a raised state and a lever accommodating space of the upper frame. It is characterized in that the pipe is clamped between the upper frame and the main body of the apparatus by the secondary tightening which is rotated around the pin so as to be accommodated in.

[0006]

In the pipe clamp device of the present invention, the pipe mounted on the pipe receiving portion is enclosed by rotating the upper frame provided on one side of the pipe receiving portion, and is provided on the other side of the pipe receiving portion. The cam head provided on the lever by adjusting the clamping force between the pipe receiving portion and the upper frame by the primary tightening that rotates around the T-shaped bolt with the lever provided on the T-shaped bolt raised. Presses the upper frame against the main body of the device, and then clamps the pipe between the upper frame and the pipe receiving portion by the secondary tightening that rotates around the pin so that the lever is housed in the lever housing space of the upper frame, By housing the lever in the lever housing space provided in the upper frame, the lever does not return accidentally.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a device main body of a pipe clamp device. The device main body 1 has a substantially L-shape as a whole, and a pipe receiving portion 2 is formed inside. The inner diameter of the pipe receiving portion 2 corresponds to the outer diameter of the mounted pipe 3. At one end of the pipe receiving portion 2 of the device body 1,
Holes 4 and 4 are formed so as to be located on the same axis line, and holes 5 and 5 are also formed at the other end of the pipe receiving portion 2 so as to be located on the same axis line.

On the other hand, an upper frame 6 pivotally attached to the apparatus main body 1
Holes 7, 7 are formed in the base end portion of the device body 1 corresponding to the holes 4, 4 provided in the device body 1, and the hole 7, 7 provided in the base end of the upper frame 6 is provided in the device body 1. Pin 8
The upper frame 6 is pivotally supported on one side end of the apparatus main body 1 by inserting the holes 4 and 6 into the holes 4 and crushing the tip portion of the pin 8. Also,
The base end portion 10 of the T-shaped bolt 9 is mounted in the holes 5 and 5 provided at the other end of the device body 1, whereby the T-shaped bolt 9
Are rotatably supported by the apparatus body 1.

The upper frame 6 has a generally arcuate shape as a whole,
A pipe receiving portion 11 corresponding to the outer diameter of the pipe 3 is provided inside. The pipe receiving portion 11 cooperates with the pipe receiving portion 2 of the apparatus main body 1 to hold the pipe 3 therebetween. Also, the upper frame 6
Two reinforcing ribs 12 protruding outward on both sides of the
12 is formed, and a lever accommodating space 13 is defined between the reinforcing ribs 12, 12. Further, at the tip of the upper frame 6, there is formed an opening 14 whose one end through which the threaded portion 9a of the T-shaped bolt 9 passes is opened. The upper surface of the tip portion of the upper frame 6 is a concave surface 6a.

On the other hand, a pin 15 provided with an internal screw is screwed onto the T-shaped bolt 9, and a quick lever 16 is mounted via the pin 15. This quick lever 16
Has a cam head 18 near a hole 17 through which the pin 15 is provided on the tip side. This cam head 18 has an upper frame 6
The upper frame 6 is gradually pressed against the concave surface 6a provided on the
The pin 8 is rotated in the direction of. The concave surface 6 a provided on the upper frame 6 acts as a receiving surface for the cam head 18.

The quick lever 16 has a sectional shape of the upper frame 6
Has an arc shape corresponding to the lever accommodating space 13 provided in
Moreover, when the reinforcing rib 1 is accommodated in the lever accommodating space 13,
It has a shape that does not protrude above 2. The cam head 18 prevents the cam top from moving too far when the lever end contacts the upper frame 6 so as to prevent the lever from returning after being tightened.

The pipe clamp device is constructed by fixing two device main bodies 1 and 1, but in order to fix the two pipes 3 and 3 so as to be orthogonal to each other, the two device main bodies 1 and 1, In order to fix the lower surfaces of the pipes 1 so that the pipe receiving portions 2 and 2 are orthogonal to each other and to fix the two pipes 3 and 3 in parallel, Fix the lower surfaces so that they are parallel to each other. further,
In order to fix the two pipes 3 and 3 at a predetermined angle, for example, an angle of 45 degrees, the two device bodies 1 and 1 are rotatably connected.

The operation will be described below. In order to attach the pipe clamp device to the pipe 3, first, the pipe receiving portion 2 of the device body 1 is attached to the pipe 3, and the upper frame 6 is rotated around the pin 8 in the direction of the device body 1 to move the upper frame. The pipe 3 is surrounded by the pipe receiving portion 11 of 6 and the pipe receiving portion 2 of the apparatus main body 1.

Next, with the quick lever 16 raised, the opening 1 provided with the T-shaped bolt 9 at the tip of the upper frame 6.
4, the quick lever 16 is positioned on the same axis of the T-shaped bolt 9, and the quick lever 16 is rotated around the T-shaped bolt 9 in a raised state. As a result, the pin 15 attached to the quick lever 16 moves axially along the threaded surface of the threaded portion 9a of the T-shaped bolt 9, and presses the upper frame 6 toward the apparatus main body 1 side, whereby the upper frame 6 The pipe 3 is primarily tightened (temporarily fixed) by the device main body 1.

Next, when the quick lever 16 is rotated around the pin 15 in the direction of the upper frame 6, the quick lever 16 is rotated.
The cam head 18 provided in the above-mentioned press-contacts the concave surface 6a provided in the upper frame 6 and presses the upper frame 6 toward the apparatus main body 1, and the upper frame 6 and the apparatus main body 1 perform the secondary tightening. In this way, the pipe 3 is sandwiched between the pipe receiving portion 11 of the upper frame 6 and the pipe receiving portion 2 of the apparatus body 1. Further, when the quick lever 16 is rotated in the direction of the upper frame 6, the quick lever 16 is housed in the lever housing space 13 of the upper frame 6. Since the quick lever 16 has a shape that does not protrude above the reinforcing ribs 12, the quick lever 16 does not protrude from the upper frame 6.
Never exposed upwards. Further, since the concave surface 6a provided at the tip of the upper frame 6 acts as a receiving surface of the cam head 18, even if an external force acts on the quick lever 16, the quick lever 16 does not rise suddenly.

To remove the pipe clamping device from the pipe 3, the end of the quick lever 16 is raised and the sequence is reversed from the tightening procedure.

[0017]

As described above, according to the present invention, it is possible to quickly perform the tightening work and the loosening work of a pipe on an unstable scaffold without using a separate tool. Also, since no separate tool is used, when performing such work at a high place, the tool will not fall apart from the hand and will not hit the workers or passersby below, which is safe for work. Sex is secured.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a pipe clamp device of the present invention.

FIG. 2 is a side view showing a part of the pipe clamp device of the present invention in section.

FIG. 3 is a view showing a usage state of a conventional pipe clamp device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device main body 2 Pipe receiving part 6 Upper frame 6a Concave surface 9 T-shaped bolt 9a Screw part 11 Pipe receiving part 12 Reinforcing rib 13 Lever accommodating space 16 Quick lever 18 Cam head

Claims (1)

[Claims] 1. An apparatus main body having a pipe receiving portion, a pipe receiving portion inside and a reinforcing rib forming a lever accommodating space on the outside, and being rotatably provided on one side of the pipe receiving portion of the apparatus main body. An upper frame, a T-shaped bolt rotatably provided on the other side of the pipe receiving portion of the apparatus main body, a pin screwed to the threaded portion of the T-shaped bolt, and a T-shaped through a pin having a cam head. A lever attached to the bolt, the lever pivoting around a T-shaped bolt when raised 1
A pipe clamp device characterized in that a pipe is clamped between the upper frame and the main body of the device by secondary tightening and secondary tightening which rotates around a pin so as to be housed in a lever housing space of the upper frame.