JP2000027430A - Pipe clamp and clamp device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clamp and a clamp device allowing an efficient job of connecting the clamp with a pipe capable of greatly reducing the labor required of an operator. SOLUTION: A lid part 2 is axially rotatably journaled at one end 201 to one end 101 of base 1 and can rotate in the direction c1 to approach the pipe receiving part 10 of the base 1 and also in the direction c2 to leave it. A clamp 3 is axially rotatably journaled at one end to the other end 102 of the support 1 and can rotate in the direction c3 to approach the pipe receiving part 10 of the support 1 and in the direction c4 to leave it. A rotation limiting mechanism 41 is provided between the base 1 and the clamp 3 and limits the rotation stopping position of the clamp 3 relative to the base 1 so that at the rotation stopping position, the space area required to place a pipe forms between the base 1 and the clamp 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a pipe clamp and a clamp device.

[0002]

2. Description of the Related Art This type of clamp and clamping device are:
It is used when connecting pipes or when connecting other members other than pipes to pipes. Specifically, it is used for connecting vertical pipes and horizontal pipes when assembling various pipe structures at a construction site such as a building construction work, a temporary construction work, a civil engineering work, a sewerage work, or a river work. As another specific example, there is a use example of connecting a building material constituting a building construction scaffolding device and a scaffolding lateral pipe. A typical clamping device used in this case is a first clamp and a second clamp.
It is an orthogonal clamp combining the above clamp.

Generally, a clamp includes a support, a lid,
And a fastener. The lid is axially fixed to one end of the support so that the lid can be axially rotated.
It can rotate freely in a direction approaching and away from the pipe receiving portion of the support. One end of the fastener is axially fixed to the other end of the support so as to be rotatable, and the axial rotation can freely rotate in a direction approaching and away from the pipe receiving portion of the support.

A problem with the conventional clamp described above is that both the lid and the fastener can freely rotate with respect to the support, so that at least one of the lid and the fastener is connected to the pipe receiving portion of the support. In the direction of approaching, and enter the pipe receiving portion. In such a state, the pipe cannot be connected because the pipe receiving portion is closed by the lid or the fastener.

[0005] As a specific example, a case will be described in which an orthogonal clamp is attached to two vertical pipes spaced apart from each other and a horizontal pipe is connected between the orthogonal clamps. In order to put a horizontal pipe on two orthogonal clamps,
The pipe receiver of each orthogonal clamp must be open. However, in an actual use state, the fastener, particularly the fastener, enters the pipe receiving portion of the lid and the fastener, and blocks the position of the horizontal pipe. Therefore, when the number of workers is one, the two orthogonal clamps and the horizontal pipe are connected according to the following procedure.

First, it is confirmed that the lid of each orthogonal clamp is open, and a horizontal pipe is placed on the opened lid.

Next, in the orthogonal clamp attached to one of the vertical pipes, the fastener closing the position of the horizontal pipe is rotated upward to open the pipe receiving portion of the support. Then, walk toward the other vertical pipe, and in the orthogonal clamp attached to it, rotate the fastener closing the position of the horizontal pipe upward, and remove the pipe receiving part of the support. Open.

Next, the horizontal pipe placed on the lid is lifted and transferred to the pipe receiving section of each orthogonal clamp. For example, when the horizontal pipe has a length of 3 to 4 m or more, it is difficult for one worker to lift the horizontal pipe. In such a case, one end of the horizontal pipe is placed on the pipe receiving portion of the orthogonal clamp attached to one vertical pipe. After this, walk to the other vertical pipe and insert it into the pipe holder of the orthogonal clamp attached to it.
The other end of the horizontal pipe must be placed.

Finally, in one vertical pipe, the lid of the orthogonal clamp is closed and further tightened with a fastener. Thereafter, the user walks toward the other vertical pipe, closes the lid of the orthogonal clamp, and further tightens the clamp. As described above, the worker has to reciprocate many times between one end and the other end of the horizontal pipe, and the workability is extremely poor.

When the above operation is performed by two workers, it is not necessary to reciprocate, so that the operation time can be shortened, but the number of man-hours is doubled and the cost is increased.

The above problem becomes more serious when a plurality of vertical pipes arranged at intervals and a horizontal pipe are connected, because a large number of orthogonal clamps are used.

[0012]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a clamp and a clamp device which can efficiently perform a connection operation between a clamp and a pipe and can greatly reduce the labor of an operator.

[0013]

In order to solve the above-mentioned problems, a clamp according to the present invention includes a support, a lid, a fastener, and a rotation limiting mechanism. The support has a pipe receiving portion.

[0014] The lid is pivotally fixed at one end to one end of the support so that the lid can rotate.
The other end can rotate in a direction approaching and away from the pipe receiving portion of the support.

One end of the fastener is rotatably supported on the other end of the support so that the other end can approach the pipe receiving portion of the support by the rotation of the shaft. Can rotate in the direction away.

The rotation limiting mechanism is provided between the support and the fastener, and limits a rotation stop position of the fastener with respect to the support. A space area necessary for disposing the pipe is formed between the fitting and the fitting.

The clamp according to the present invention constitutes a clamp device together with other members. The components associated with the clamps include one or more clamps or other components different from the clamps. When combined with one or more clamps, a clamping device such as an orthogonal clamp, a free clamp or a triple clamp is obtained. When combined with another member different from the clamp,
A clamping device such as a scaffold cloth plate receiving member (referred to as a carrying frame) is obtained.

In use, the outer surface of the clamp support is attached to another member. Generally, one side supporting the fastener is attached and fixed to another member by means such as rivets, eyelets or welding. In this state, the assembling work of the clamp device and the pipe is performed.

As described above, one end of the fastener is rotatably mounted on the other end of the support so that the other end of the support can be pivoted, and the other end approaches and separates from the pipe receiving portion of the support by the rotation of the clamp. Rotate in the direction. A rotation limiting mechanism is provided between the support having such a structure and the fastener. The rotation restricting mechanism limits the rotation stop position of the fastener with respect to the support, and at the rotation stop position, creates a space area between the support and the fastener required for disposing the pipe. According to this structure, the pipe can be directly arranged in the space region created between the support and the fastener.

As described above, unlike the related art, since the fastener does not block the position where the pipe is disposed, there is no need to remove the fastener from the pipe receiving portion. For this reason, as compared with the case where the conventional clamp and the clamp device are used, the connection work between the clamp and the pipe can be efficiently performed, and the labor of the operator can be greatly reduced.

Further, the lid is axially fixed at one end thereof to the one end of the support so as to be rotatable, and by this axial rotation, the other end approaches and away from the pipe receiving portion of the support. Can rotate. Therefore, after arranging the pipe in the pipe receiving portion, by rotating the lid in a direction approaching the pipe receiving portion, the pipe can be sandwiched between the support and the lid. Finally, the fastener,
It can be rotated to a rotation stop position determined by the relationship with the lid, and the support and the lid can be tightened by the fastener.

The clamp and the clamp device according to the present invention can be used for any of a horizontal pipe and a vertical pipe. A typical clamp device used for a horizontal pipe is an orthogonal clamp, a free clamp or a triple clamp, and a typical clamp device used for a vertical pipe is a scaffold cloth plate receiving member (referred to as a carrying frame). ).

The clamp and the clamp device according to the present invention are mainly used for a round pipe. However, it can also be used for square pipes. When used for a square pipe, the same operation and effect as when used for a round pipe can be obtained.

Other objects, configurations and advantages of the present invention will be described in more detail with reference to the accompanying drawings which are embodiments.

[0025]

1 is a front view of a clamp according to the present invention, FIG. 2 is a left side view of FIG. 1, FIG. 3 is a sectional view taken along line 3-3 of FIG. 1, and FIG. Sectional view along line 4-4 of
FIG. 5 is a sectional view taken along line 5-5 in FIG. The clamp according to the present invention includes a support 1, a lid 2, and a fastener 3.
And a rotation limiting mechanism 41.

The support 1 has a pipe receiving portion 10.
The support 1 has a base 11 and ribs 12 and 13.
The base 11 has an L-shape as a whole, and is bent so that both ends are located in two directions substantially orthogonal to each other. Rib 1
Each of 2 and 13 is provided at an interval on the base 11, and the end faces 120 and 130 that come into contact with the pipe are curved surfaces corresponding to the outer shape of a pipe (round pipe) having a circular outer peripheral surface. The ribs 12 and 13 are formed by bending opposite sides of the base 11. Pipe receiving part 1
0 is the end face 120 of the rib 12 and the end face 130 of the rib 13
And a space region surrounded by the base 11.

The lid 2 is rotatably fixed at one end 201 to the one end 101 of the support 1 so as to be rotatable about the axis. With this rotation, the entire direction of the lid 2 approaches the pipe receiving portion 10 of the support 1. , And can be rotated in the separating direction c2. A shaft 51 is fixed to one end 101 of the support 1, and the lid 2 is attached so that the one end 201 can rotate with respect to the shaft 51 in the direction of arrow c <b> 1 or arrow c <b> 2. ing.

The surface of the cover 2 facing the support 1 is substantially arc-shaped. In the embodiment shown in FIGS.
Has ribs 22 and 23 similarly to the support 1. Rib 2
Each of 2 and 23 is provided at an interval on the lid 2, and the end surfaces 220 and 230 that come into contact with the pipe are curved surfaces corresponding to the outer shape of the pipe. However, there is a type in which the lid 2 is not provided with the ribs 22 and 23.

The clamp 3 has one end 311 at the support 1
Of the support 1 can be rotated in a direction c3 approaching and away from the pipe receiving portion 10 of the support 1 by the shaft rotation. In the embodiment, the fastener 3 includes a bolt 31 and a nut 32. A shaft 52 is fixed to the other end 102 of the support 1, and one end 31 of the bolt 31
1 is attached to the shaft 52 so that the shaft can rotate in the direction of arrow c3 or arrow c4. In the embodiment, the fastener 3 is configured by the bolt 31 and the nut 32, but may be configured by other members.

The rotation restricting mechanism 41 is provided between the support 1 and the fastener 3, and restricts the rotation stop position of the fastener 3 with respect to the support 1.
And the fastener 3 create a space area necessary for placing the pipe. In the embodiment, the rotation limiting mechanism 41
Is composed of a spring. The rotation restricting mechanism 41 shown in the embodiment is a coil spring, but other springs such as a leaf spring may be used.

The spring constituting the rotation limiting mechanism 41 is shown in FIG.
As shown in FIG. 3, a spring pressure P11 is applied to the other end 102 of the support 1 provided on the shaft 52, and one end 31 of the bolt 31 is
A spring pressure P12 is applied to one side. More specifically, as shown in FIG. 4, the spring is wound around the shaft 52 with an appropriate number of turns by using one gap between the fastener 3 and the support 1. The spring has a clamp 3
And further wound around the shaft body 52 with an appropriate number of turns using another gap between the fastener 3 and the support 1. Both ends of the spring are supported on the inner surface of the support 1.

Further, in the embodiment, a spring 42 is provided between the support 1 and the lid 2. The spring 42 is shown in FIG.
As shown in FIG. 5, a spring pressure P21 is applied to one end 101 of the support 1, and a spring pressure P22 is applied to one end 201 of the lid 2. However, the rotation limiting mechanism 4
It is sufficient that at least a spring constituting the rotation restricting mechanism 41 among the springs or the springs 42 constituting the first member 1 is provided.
The spring 42 may be omitted.

The support 1, the lid 2, the fastener 3, and the like constituting the clamp are made of a metal material containing iron as a main component in consideration of required mechanical strength. Usually, an appropriate plating film is formed on the surface.

FIGS. 6 and 7 are views showing the use state of the clamp device using the clamp according to the present invention. The clamp 71 according to the present invention constitutes the clamp device 9 together with the member 72 combined with the clamp 71. The clamp device 9 has a role of coupling other members other than the pipe to the pipe 8 and a role of connecting the pipe 8 to another pipe. For example, in the case of connecting a member other than the pipe 8 to the pipe 8 in the building construction work scaffolding device, the main trunk portion provided in the carrying frame, the building material interval adjusting member, and the like corresponds to the member 72. When connecting the pipe 8 to another pipe, one or a plurality of clamps are connected to the member 7.
Equivalent to 2.

In use, the outer surface of the support 1 of the clamp 71 is attached to another member 72. When the clamp device 9 is an orthogonal clamp, one side supporting the fastener 3 is attached and fixed to another member 72 by means such as a rivet 141 or welding 142. In this state, the operation of assembling the pipe 8 to the clamp device 9 is performed. Although not shown, when the clamp device is a free clamp, the clamp 71 and the clamp constituting the member 72 are rotatably connected by eyelets.

Here, the lid 2 is rotatably fixed to one end 101 of the support 1 so that one end 201 can be axially rotated. By this axial rotation, the whole of the lid 2 is supported by the pipe receiving portion 1 of the support 1.
It can rotate in the direction c1 approaching 0 and in the direction c2 away from 0. A spring 42 is provided between the support 1 and the lid 2 having such a structure. The spring 42 applies a spring pressure P22 to the cover 2 in a direction c2 away from the pipe receiving portion 10. Therefore, the lid 2 is kept open with respect to the support 1 by the action of the spring pressure P22 received from the spring 42.

The clamp 3 has one end 311 at the support 1
The other end 102 of the support 1 is rotatably mounted on the shaft so that the shaft can be rotated.
3, and rotate in the separating direction c4. The spring constituting the rotation restricting mechanism 41 is provided between the support 1 and the fastener 3, and the spring 3
A spring pressure P12 in a direction c4 away from the target is applied. According to this structure, the fastener 3 is supported by the support 1 by the action of the spring pressure P12 received from the spring constituting the rotation limiting mechanism 41.
Is kept open to

As described above, the lid 2 and the fastener 3 are
Since the pipe 8 is kept open with respect to the support 1, as shown in FIG.
Can be arranged directly. Unlike the conventional case, the lid 2 and the fastener 3 do not block the pipe arrangement position.
In addition, the operation of removing the fastener 3 from the pipe receiving portion 10 or the like becomes completely unnecessary. For this reason, compared with the case where the conventional clamp and the clamp device are used, the connection work between the clamp and the pipe can be performed efficiently, and the labor of the operator can be reduced.

Next, the pipe 8 is sandwiched between the support 1 and the lid 2 by rotating the lid 2 in the direction c1 toward the pipe receiving part 10 against the spring pressure P22. be able to. Finally, the fastener 3 can be rotated to a rotation stop position determined by the relationship with the lid 2 against the spring pressure P12, and the support 1 and the lid 2 can be tightened by the fastener 3. FIG. 7 shows the state at this time.

FIG. 8 is a view showing a clamp device using the clamp according to the present invention. In the drawings, the same components as those shown in FIGS. 1 to 7 are denoted by the same reference numerals. In the embodiment shown in FIG.
The member 72 combined with is a clamp. The clamp 71 and the clamp of the member 72 are shown in FIGS.
Has the structure shown in the above, arranged to be orthogonal to each other,
And they are connected by connecting means such as rivets or welding (see FIGS. 6 and 7). Such clamping devices are commonly referred to as orthogonal clamps. Clamp 71,
And at least one of the clamps constituting the member 72;
For example, the clamp 71 has the structure shown in FIGS. The clamp constituting the member 72 may also have the structure shown in FIGS.

FIG. 9 is a view for explaining a specific example of use of the clamp device shown in FIG. For example, as shown in FIG. 9, orthogonal clamps 91 and 92 which are clamping devices include two vertical pipes 81 and 82 arranged at an interval D,
It is used to connect the horizontal pipe 83 to form a pipe structure. The orthogonal clamp 91 is connected to the vertical pipe 81, and the orthogonal clamp 92 is connected to the vertical pipe 82.
However, FIG. 9 shows only a part of the pipe structure.

FIG. 10 is a partially enlarged view of the pipe structure shown in FIG. In the figure, the same components as those shown in FIGS. 6 and 7 are denoted by the same reference numerals. Here, focusing on the orthogonal clamp 91, the connection between the vertical pipe 81 and the horizontal pipe 83 will be described. Since the connection between the vertical pipe 82 and the horizontal pipe 83 is the same, the description is omitted.

As described with reference to FIGS.
Is axially fixed to one end 101 of the support 1 so that it can be axially rotated. By this axial rotation, the whole is moved in a direction c1 approaching the pipe receiving portion 10 of the support 1 and in a direction c2 separating the same. Can rotate. A spring 42 is provided between the support 1 and the lid 2 having such a structure. The spring 42 applies a spring pressure P22 to the cover 2 in a direction c2 away from the pipe receiving portion 10. For this reason,
The lid 2 is kept open with respect to the support 1 by the action of the spring pressure P22 received from the spring 42.

The clamp 3 has one end 311 at the support 1
Of the support 1 is rotated in a direction c3 toward the pipe receiving portion 10 of the support 1 and in a direction c4 away from the pipe receiving portion 10 by the shaft rotation. The spring constituting the rotation restricting mechanism 41 includes the support 1 and the fastener 3.
And a spring pressure P12 in a direction c4 away from the pipe receiving portion 10 is applied to the fastener 3. According to this structure, the fastener 3 is maintained in an open state with respect to the support 1 by the action of the spring pressure P12 received from the spring constituting the rotation limiting mechanism 41.

As described above, in the orthogonal clamp 91,
The lid 2 and the clamp 3 of the clamp 71 are kept open with respect to the support 1. The same applies to the orthogonal clamp 92. Therefore, the horizontal pipe 83 is
The support 1 and the lid 2 can be directly mounted on the pipe receiving portions 10 of the orthogonal clamps 91 and 92 and fastened and fixed by the fastening fitting 3. Unlike before, the lid 2
Also, there is no need to remove the fastener 3 from the pipe receiving portion 10. For this reason, the worker has to move one end 831 of the horizontal pipe 83.
And the other end 832 (see FIG. 9) is relieved of the trouble of reciprocating, so that the work of connecting the clamp and the pipe can be efficiently performed, and the labor of the operator is greatly reduced. Is done.

Although not shown, in the case where three or more vertical pipes arranged at intervals and a horizontal pipe are connected, the number of orthogonal clamps to be used is large, so that more excellent operational effects can be obtained. Can be expected.

The advantages of the clamp and the clamp device according to the present invention described above become more apparent when compared with the case where the conventional clamp device shown in FIG. 24 is used. As shown in FIG. 24, in the conventional clamping device, of the lid 2 and the fastener 3, in particular, the fastener 3 is inclined toward the pipe receiving portion 10, thereby preventing the horizontal pipe 83 from being arranged. For this reason,
The operator had to take out the fastener 3 closing the position of the horizontal pipe 8 from the pipe receiving portion 10 of the support 1. For this reason, the connection work between the clamp 71 and the pipe 8 could not be efficiently performed.

According to the present invention, as apparent from the above description, all the problems of the prior art can be solved.

FIG. 11 is a front view showing another embodiment of the clamp according to the present invention, FIG. 12 is a left side view of FIG. 11, and FIG. 13 is a sectional view taken along line 13-13 of FIG. In the drawings, the same components as those shown in FIGS. 1 to 5 are denoted by the same reference numerals. The feature of this embodiment is that each of the support 1 and the lid 2 has a large number of protrusions 6.
And the top of the projection 6 constitutes a scaffold pipe receiving portion. The embodiment shown in FIGS.
The same operational effects as those of the embodiment shown in FIGS. Further, the embodiment shown in FIGS. 11 to 13 has a specific operation and effect resulting from the protrusion 6. First, the structure of the protrusion 6 will be specifically described.

The projections 6 are provided on the end faces of the ribs 12 and 13 of the support 1 and on the end faces of the ribs 22 and 23 of the lid 2. In the embodiment, the protrusions 6 are provided on the support 1 and the cover 2, but may be provided on at least one of the support 1 and the cover 2.

Next, the specific pattern of the projection 6 and
The cross-sectional shape will be described focusing on the end surface 130 of the rib 13. FIG. 14 is a partially enlarged plan view showing a pattern of protrusions, and FIG. 15 is an enlarged sectional view taken along line 15-15 of FIG. The description of the protrusions 6 provided on the end surfaces of the ribs 12, 22, and 23 will be omitted.

As shown in FIG. 14, the projection 6 is composed of linear projections 61 and 62 having different inclinations, and the linear projections 61 and 62 are arranged so as to intersect with the end face 130 of the rib 13. Have been. As shown in FIG.
The tops 611 to 614 of the protrusion 61 and the tops 621 and 622 of the protrusion 62 are pointed and protrude from the end surface 130 of the rib 13. Such protrusions 61, 62
Can be easily formed by pressing the end face 130 of the rib 13.

The clamp 71 shown in FIG. 16 includes a member 72 combined with the clamp 71 and a clamping device 9.
Is configured. 16 and 17 show that the pipe 8 is the support 1
2 shows a state where the support 1 and the cover 2 are clamped by the clamp 3. In the figure, the same components as those shown in FIGS. 6 and 7 are denoted by the same reference numerals.

In the case of the present embodiment, each of the support 1 and the lid 2 has a large number of projections 6 and the tops of the projections 6 constitute a pipe receiving portion.
The top of the protrusion 6 cuts into the outer peripheral surface of the pipe 8 when the cover 2 is tightened.

FIG. 18 is an enlarged sectional view of a portion S1 in FIG. Generally, a plating film 802 is attached to an outer peripheral surface 801 of the pipe 8. The plating film 802 can be constituted by a galvanized film formed by an electroless plating method or another plated film formed by electroplating. This plating film 802
Is softer than iron or the like that constitutes the clamp. Therefore, as shown in FIG.
614 and the tops 621 and 622 of the projections 62
In the plating film 802 of FIG. Therefore, the clamp 7
1 can be connected to the pipe 8 with an extremely large crimping force. For this reason, the clamp 71 on the pipe 8
When an external force is applied to move the clamp 71, the pipe receiving portions 611 to 614, 621, and 6 of the clamp 71
An extremely large frictional force is generated between the pipe 22 and the pipe 8, and the displacement of the clamp 71 is prevented.

FIG. 19 is a diagram for explaining the function of the projection.
For example, as shown in FIG. 19, even when a large impact F1 is applied from the axial direction of the pipe 8, the mounting position of the clamp 71 is unlikely to shift in the axial direction, and large forces F2 and F3 are applied from the circumferential direction of the pipe 8. Even if it is added, its mounting position is unlikely to shift in the circumferential direction. As described above, since the clamp 71 is hardly displaced in the axial direction and is hardly displaced in the circumferential direction with respect to the attached pipe 8, the clamp 71 is connected between the pipe 8 and another member (not shown) attached to the pipe 8. Can be prevented.

The projections 6 can have shapes and patterns other than those shown in FIGS. For example,
There are a case where the linear projections 61 and 62 shown in FIGS. 14 and 15 form a saw-tooth pattern, a case where dot-like projections are arranged at an interval from each other, and the like. In any case, the clamps shown in FIGS.
The same operation and effect as those having the projections shown in FIG.

FIG. 20 is a front view showing still another embodiment of the clamp according to the present invention. In the drawings, the same components as those shown in FIGS. 1 to 5 are denoted by the same reference numerals. A feature of the embodiment shown in FIG. 20 is that the pipe receiving portions of the support 1 and the lid 2 have a shape corresponding to the outer shape of the square pipe. The lid 2 has one end 2
The support 1 is axially fixed to one end of the support 1 so as to be rotatable, and can rotate in a direction approaching and away from the pipe receiving portion 10 of the support 1 by the rotation of the shaft.

One end of the fastener 3 is rotatably fixed to the other end 102 of the support 1 so as to be rotatable in the axial direction, and the entirety of the fastener 3 approaches the pipe receiving portion 10 of the support 1 by the axial rotation. Can rotate in the direction away.

The spring constituting the rotation restricting mechanism 41 is provided between the support 1 and the clamp 3, and applies a spring pressure to the clamp 3 in a direction away from the pipe receiving portion 10. In the case of this embodiment, substantially the same effects as those of the embodiment shown in FIGS. Although not shown, a spring may be provided between the lid 22 and the support 1 in some cases. Although not shown, the pipe receiving portion 10 may have the protrusions shown in FIGS.

FIG. 21 is a front view showing still another embodiment of the clamp according to the present invention. In the drawings, the same components as those shown in FIGS. 1 to 5 are denoted by the same reference numerals. A feature of the embodiment shown in FIG. 21 is that the bolt 31 constituting the fastener 3 has a stopper on one end 311 side. When the fastener 3 rotates in the direction c3 approaching the pipe receiving portion 10, the stopper collides with the base portion 11 of the support 1 to limit the rotation stop position of the fastener 3 with respect to the support 1. Plays 41 roles.

FIGS. 22 and 23 are views for explaining the use state of the clamp shown in FIG. In the figure, the same components as those shown in FIGS. 6 and 7 are denoted by the same reference numerals. As shown in FIG. 22, in use, the fastener 3 stops at a position substantially parallel to the lid 2. According to this structure, a space region necessary for disposing the pipe is formed between the pipe receiving portion 10 of the support 1 and the fastener 3, so that the pipe 8 can be directly disposed on the pipe receiving portion 10. Therefore, the embodiment shown in FIG. 21 has substantially the same operation and effect as the embodiment shown in FIGS.

Although not shown, there are various types of stoppers other than the stoppers shown in FIGS. The clamp and the clamp device shown in FIGS. 21 to 23 include a spring between the lid 2 and the support 1, or a large number of protrusions are provided on each of the support 1 and the lid 2. You may have.

[0064]

As described above, according to the present invention,
It is possible to provide a clamp and a clamp device that can efficiently perform a connection operation between a clamp and a pipe and that can significantly reduce labor of an operator.

[Brief description of the drawings]

FIG. 1 is a front view of a clamp according to the present invention.

FIG. 2 is a left side view of FIG.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a sectional view taken along line 4-4 in FIG. 1;

FIG. 5 is a sectional view taken along line 5-5 in FIG. 2;

FIG. 6 is a diagram illustrating a use state of the clamp according to the present invention.

FIG. 7 is a diagram illustrating a state next to FIG. 6;

FIG. 8 is a view showing a clamp device using the clamp according to the present invention.

FIG. 9 is a view for explaining a use state of the clamp device shown in FIG. 9;

FIG. 10 is a diagram illustrating a state next to FIG. 9;

FIG. 11 is a front view showing another embodiment of the clamp according to the present invention.

FIG. 12 is a left side view of FIG. 11;

FIG. 13 is a cross-sectional view taken along line 13-13 of FIG.

FIG. 14 is a partially enlarged plan view showing a pattern of protrusions.

FIG. 15 is an enlarged sectional view taken along line 15-15 of FIG. 14;

FIG. 16 is a front view for explaining a use state of the clamp shown in FIG. 11;

17 is a left side view of FIG.

FIG. 18 is an enlarged sectional view of a portion S1 in FIG.

FIG. 19 is a diagram illustrating the function of a projection.

FIG. 20 is a front view showing still another embodiment of the clamp according to the present invention.

FIG. 21 is a front view showing still another embodiment of the clamp according to the present invention.

FIG. 22 is a diagram illustrating a use state of the clamp shown in FIG. 21.

FIG. 23 is a diagram illustrating a use state of the clamp illustrated in FIG. 21.

FIG. 24 is a diagram illustrating a use state of a conventional clamp and a conventional clamp device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Support body 2 Lid part 3 Clamp 41,42 Rotation restriction mechanism 51,52 Shaft 6 Projection 71 Clamp 72 Member 8 Scaffolding pipe 9 Clamp device

Claims (7)

[Claims] 1. A clamp including a support, a lid, a fastener, and a rotation restricting mechanism, wherein the support has a pipe receiving portion, and the lid has one end. The support is fixed to one end of the support so that the support can rotate around the shaft, and the rotation of the support allows the support to rotate in a direction approaching and away from the pipe receiving portion. The other end of the support is axially fixed so as to be rotatable, and the axial rotation allows the support to rotate in a direction approaching and away from the pipe receiving portion, and in a direction away from the pipe receiving portion. It is provided between a support and the fastener, restricts a rotation stop position of the fastener with respect to the support, and arranges a pipe between the support and the fastener at the rotation stop position. Space required for Occur causing clamp. 2. The clamp according to claim 1, wherein the rotation restricting mechanism is formed of a spring, and the spring applies a spring pressure on the fastener in a direction away from the pipe receiving portion. Clamp to add. 3. The clamp according to claim 1, wherein the rotation restricting mechanism includes a stopper. 4. The clamp according to claim 1, wherein at least one of the support and the lid has a large number of protrusions, and a top of the protrusion is a pipe receiving member. The clamp that makes up the part. 5. A clamp device comprising at least one clamp and a member combined with the clamp, wherein the clamp is any one of claims 1 to 4. 6. The clamp device according to claim 5, wherein the member is a clamp. 7. The clamp device according to claim 6, wherein the member is the clamp according to any one of claims 1 to 4.