JP2001355335A - Pipe with connecting member and connected pipe for temporary scaffolding comprising said pipe - Google Patents

Abstract

(57) [Summary] [Problem] To form a temporary scaffold easily and effectively. SOLUTION: A pipe 1 with a connecting member is formed by a straight pipe 2 and an inter-pipe connecting member 5 which can be engaged with at least one end of the pipe 2. The inter-pipe connection member 5 includes an engagement portion 6 corresponding to the end shape of the pipe 2 on one side of the inter-pipe connection member 5, and a pipe on the other side of the inter-pipe connection member 5. A rotation holding portion 7 made of a plate-like body capable of rotatably engaging at least one other pipe other than 2 is provided. Further, the rotation holding portion 7 is provided in parallel with the center axis of the pipe 2, and the rotation holding portion 7 is provided with an engagement through hole 7 a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe for a temporary scaffold and a pipe connection for the temporary scaffold comprising the pipe, and more particularly to an improvement in a connecting portion between pipes.

[0002]

2. Description of the Related Art Conventionally, there are various types of temporary scaffolds used at construction sites and the like, for example, as shown in FIG. The temporary scaffold 100 shown in FIG.
Two lattice-like pipe coupling bodies 130 each including a plurality of straight pipes 101 provided as a skeleton portion of 00;
A scaffold 110 made of a plate-like member and a scaffold placement member 120 for placing the scaffold 110 are configured. In this case, the respective pipe connected bodies 130 are arranged to face each other, and the temporary scaffold 100 is formed by disposing the scaffold 110 between the respective pipe connected bodies 130. Further, in this case, the scaffold mounting member 120 is connected to each pipe connector 130 between the pipe connectors 130.

[0003] Here, the grid-like pipe connector 130 is
A plurality of long pipes 101 are superposed in a grid pattern, and the crossed portions of the pipes 101 are clamped as shown in FIG.
It is formed by connecting at 05. The clamp 105 shown in FIG. 7 is illustrated with respect to one pipe connector 130 shown in FIG. 6, but the other pipe connector 130 is similarly clamped as shown in FIG.
05 (not shown in FIG. 6). In addition, a straight reinforcing pipe (not shown) is braced with the pipe connector 130. The reinforcing pipes are connected by clamps 105 to the respective pipes 101 forming the main part of the pipe connector 130 in the same manner as when connecting the respective pipes 101.

[0004]

However, in the above-mentioned conventional example, the long pipes 101 must be combined and connected to form a grid-like pipe connecting body 130. In position, ie pipe 101
After visually positioning it in the middle part of
5 must be tightened, which makes it difficult to form a lattice shape.

In order to form the pipe connector 130, a plurality of pipes 101 must be connected by a large number of clamps 105. For this reason, the clamp 105 must be carried to a high place at a construction site or the like that requires work at a high place, and the clamp 105 must be further tightened at a high place. However, there is a disadvantage that the clamp 105 may be accidentally dropped.

Further, a plurality of long pipes 101 are required to form the pipe connector 130, and
However, there is a disadvantage that even when the clamp 01 and the clamp 105 are separated, they can be transported to a construction site or the like only by a large transport vehicle. In addition, since a large number of pipes 101 and clamps 105 are used, the number of clamps 105 required for forming the pipe connector 130 cannot be easily grasped, and the number of
Inconvenience of bringing to the construction site, etc.
Or, for example, when the number of the clamps 105 is insufficient, there is a disadvantage that the temporary scaffold 100 cannot be assembled.

[0007]

The object of the present invention is to remedy the disadvantages of the prior art, to form it particularly easily and effectively, and to prevent bulkiness during transport. It is another object of the present invention to provide a pipe with a connecting member and a pipe connection for a temporary scaffold comprising the pipe, which can further improve safety.

[0008]

In order to achieve the above object,
According to the first aspect of the invention, the connecting member-equipped pipe includes a straight pipe and an inter-pipe connecting member that can be engaged with at least one end of the pipe. here,
The inter-pipe connection member includes an engagement portion corresponding to the end shape of the pipe on one side of the inter-pipe connection member.
Further, a rotation holding portion formed of a plate-like body capable of rotatably engaging at least one other pipe other than the above-described pipe is provided on the other side of the inter-pipe connecting member. The rotation holding portion is disposed parallel to the center axis of the pipe, and the rotation holding portion is provided with a through hole for engagement.

For this reason, according to the first aspect of the present invention, for example, since the two pipes with connecting members are rotatable between each other, the connecting state (shape) of each pipe with connecting members is set arbitrarily. can do.

According to a second aspect of the present invention, in the pipe with the connecting member according to the first aspect, the engaging portion is formed in a cylindrical shape having an outer diameter corresponding to the inner diameter of the pipe.

Therefore, according to the second aspect of the present invention, in addition to functioning equivalently to the first aspect of the present invention, the pipe and the inter-pipe connecting member can be effectively engaged.

According to the third aspect of the present invention, in the pipe with the connecting member according to the first or second aspect, the engaging portion and the end of the pipe can be screwed with each other.

Therefore, according to the third aspect of the present invention, in addition to functioning equivalently to the first or second aspect of the present invention, the pipe and the inter-pipe connecting member can be more effectively engaged. . That is, it is possible to prevent detachment of the pipe and the connecting member between the pipes.

According to a fourth aspect of the present invention, in the pipe with the connecting member according to the first aspect, a female screw portion is formed in the engaging portion toward the central axis of the engaging portion. And
A through hole corresponding to the female screw portion is formed on the side surface of the pipe.

Therefore, according to the fourth aspect of the invention, in addition to functioning equivalently to the first aspect of the invention, the pipe and the inter-pipe connecting member can be more effectively engaged. That is, it is possible to prevent detachment of the pipe and the connecting member between the pipes. Further, the rotation holding portion of the inter-pipe connecting member with respect to the pipe can be easily positioned.

According to a fifth aspect of the present invention, in the pipe with a connecting member according to the first, second, third or fourth aspect, the inter-pipe connecting member is formed of aluminum.

Therefore, according to the fifth aspect of the present invention, in addition to functioning equivalently to the above-described first, second, third or fourth aspect of the invention, the weight can be reduced.

According to a sixth aspect of the present invention, in the pipe with a connecting member according to the first, second, third, fourth or fifth aspect, the pipe is formed of aluminum.

Therefore, the invention according to claim 6 functions in the same manner as the invention described in claims 1, 2, 3, 4, or 5, and can further reduce the weight.

According to a seventh aspect of the present invention, a plurality of pipes with a connecting member according to any one of the first to sixth aspects described above are provided, and at least one pipe is provided at one end of the pipe with a connecting member. The other pipes with connecting members are arranged close to each other, and the rotation holding portions of the pipes with connecting members adjacent to each other are arranged facing each other. Then, a turning support shaft having a fixing portion such as a screw is inserted into the engaging through hole of each of the opposing turning holding portions, and each turning holding portion is fixed by a fixing member engaged with the fixing portion of the turning support shaft. Can be fixed. In the present invention, a pipe connection for a temporary scaffold made of a pipe with a connection member is thus formed.

Therefore, according to the present invention, the pipe connection can be easily and effectively formed without using a long pipe and many clamps.

More specifically, since the connecting position between the pipes with connecting members is determined by the connecting member between the pipes provided at the end of the pipe with connecting members, the connection relying on visual observation as in the prior art. The pipes with connecting members can be connected without confirming the position. Furthermore, by using a pipe with a connecting member shorter than before, it becomes possible to form a part of the pipe connecting body in advance regardless of the work place, and the man-hour for connecting the pipe with the connecting member at a high place can be reduced. Can be reduced. For this reason, a pipe connection body can be formed easily and effectively.

Further, by forming a part of the pipe connecting body in advance as described above, the number of steps for connecting pipes with connecting members at a high place can be reduced.
Further, it is not necessary to carry the clamp to a high place, and an element of dropping the clamp during the pipe connecting body forming operation can be eliminated, so that safety can be improved.

Furthermore, since a shorter pipe with a connecting member can be used, the pipe with a connecting member can be transported without using a large-sized transport vehicle or the like.

According to an eighth aspect of the present invention, in the above-mentioned pipe connected body comprising the pipe with the connecting member according to the seventh aspect, the pipe with the connecting member provided with the connecting member between the pipes at both ends thereof. The rotation holding portions at both ends of the pipe with the connecting member are arranged in parallel with each other.

Therefore, according to the present invention, in addition to functioning equivalently to the above-described invention, it is possible to form a planar pipe connection body. For this reason, the pipe connection of the present invention can be used instead of the pipe connection of the temporary scaffold shown in the conventional example, so that the temporary scaffold can be formed easily and effectively.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a pipe with a connecting member according to the present invention will be described with reference to FIGS. 1 (a) and 1 (b).

Reference numeral 1 in FIGS. 1A and 1B indicates a pipe with a connecting member in the present embodiment. As shown in FIGS. 1 (a) and 1 (b), the pipe 1 with a connecting member includes a straight pipe 2 and a pipe connecting member 5 engaged with an end of the pipe 2. ing. In the present embodiment, the pipe 2 and the member 5 for connecting pipes are made of, for example, aluminum.

One side of the inter-pipe connecting member 5 has an outer diameter corresponding to the inner diameter of the pipe 2 shown in FIG.
Are provided. Further, on the other side of the inter-pipe connecting member 5, there is provided a rotation holding part 7 formed of a plate-like body that rotatably engages at least one other pipe other than the pipe 2 described above. In this case, screw portions 2a and 6a are formed at the contact portions between the inner surfaces of the ends of the pipe 2 and the engagement portions 6, respectively. Further, the rotation holding portion 7 is vertically provided from the engagement portion 6 side toward the center axis of the pipe 2,
The rotation holding portion 7 is provided with an engagement through hole 7a corresponding to a rotation support shaft 8 described later.

By forming the connecting member-attached pipe 1 in this manner, for example, as described later, each of the two pipes 2 can be rotated between each other, and the connecting state (shape) of each pipe 2 Can be set arbitrarily. Also, the weight can be reduced by forming the pipe 2 and the pipe connecting member 5 from aluminum.

An inter-pipe connecting member 5 for connecting the pipes 2 to each other is provided with a columnar engaging portion 6 having an outer diameter corresponding to the inner diameter of the pipe. Since the and the engaging portion 6 are formed so as to be screwable with each other, the pipe 2 and the inter-pipe connecting member 5 can be effectively engaged with each other.

Further, since the connecting position between the pipes 2 is predetermined by the connecting member 5 between the pipes, the connecting position between the pipes 2 can be grasped without relying on the visual as in the conventional example. And the pipes 2 can be easily connected.

Next, a second embodiment of the pipe with a connecting member according to the present invention will be described with reference to FIGS. 2 (a) and 2 (b). This embodiment is different from the first embodiment described above in that only the engaging portion between the pipe 2 and the inter-pipe connecting member 5 is changed.

Reference numeral 11 in FIGS. 2A and 2B denotes a pipe with a connecting member in the present embodiment. This figure 2
A pipe 11 with a connecting member shown in (a) and (b) has a straight pipe 12 and an inter-pipe connecting member 15 engaged with an end of the pipe 12 as in the first embodiment.
And a fixing member 13 for connecting the pipe 12 and the pipe connecting member 15.

One side of the pipe connecting member 15 has an outer diameter corresponding to the inner diameter of the pipe 12 as shown in FIG.
A columnar engaging portion 16 shown in FIG. Also,
On the other side of the inter-pipe connecting member 15, a rotation holding member formed of a plate-like body that rotatably engages at least one other pipe other than the above-described pipe 12 as in the first embodiment described above. A part 17 is provided. In this case, the rotation holding portion 17
The rotation holding portion 17 is provided with an engagement through-hole 17a corresponding to the rotation support shaft 8 described later, from the engagement portion 16 toward the center axis of the pipe 12.

Here, in the present embodiment, the engaging portion 16
A female screw portion 16a is formed toward the central axis of the engaging portion 16, and a through hole 12a corresponding to the female screw portion 16a is formed in the pipe 12. In this case, by using the fixing member 13 corresponding to the female screw portion 16a,
And the pipe connecting member 15 are connected.

Thus, the pipe 12 and the inter-pipe connecting member 15 can be effectively engaged, and the rotation holding portion 17 of the inter-pipe connecting member 15 with respect to the pipe 12 can be easily positioned. it can.

In the first and second embodiments, the pipe 2 or the pipe 12 and the inter-pipe connecting member 5 or the inter-pipe connecting member 15 are made of aluminum to reduce the weight. The present invention is not limited thereto, and may be formed using, for example, a steel material.

Further, as shown in the first and second embodiments, the pipe and the inter-pipe connecting member are formed without forming the screw portion 6a on the engaging portion 6 or the female screw portion 16a on the engaging portion 16. The fitting may be performed, and the fitting portion may be welded.

Next, an embodiment of a pipe connecting body comprising a pipe with a connecting member according to the present invention will be described with reference to FIG. Here, the pipe with a connecting member is described using the pipe with a connecting member 1 of the first embodiment described above, but the same operation and effect can be obtained by applying the pipe 11 with a connecting member of the second embodiment described above. Have.

First, as shown in FIGS. 4 (a), 4 (b) and 4 (c), two pipes 1 with connecting members (herein referred to as "first and second connecting member pipes 1A and 1B"). ) Are connected (pipe connector 20).

The pipe connecting body 20 is used for engaging the first and second connecting member pipes 1A and 1B with the inter-pipe connecting member 5 provided in the first and second connecting member pipes 1A and 1B. The rotating shaft 8 includes a plurality of rotating shafts 8 that are engaged with the through holes 7 a (not shown) and have fixed portions such as screws, and a fixing member 9 that is engaged with the fixed portion of the rotating shaft 8. .

Pipes 1A and 1B with first and second connecting members
The rotation holding portions 7 of the inter-pipe connecting members 5 provided in each of them are arranged to face each other. In each of the connecting member-equipped pipes 1A and 1B, the turning support shaft 8 is inserted into the engaging through hole 7a of each of the opposing turning holding portions 7, and the turning support shaft 8 and the fixing member 9 are connected to each other. It is connected and fixed by screwing. For this reason, the first and second connecting member pipes 1
A and 1B can be rotated between each other with the rotation support shaft 8 as a fulcrum. In this case, as shown in FIG. 4 (a) or FIG. 4 (c), the rotation of each connecting member attached pipe 1A, 1B is locked at an arbitrary position by the rotation support shaft 8 and the fixing member 9. be able to. That is, each connecting member-equipped pipe 1
Any connection state (shape) in A and 1B can be formed.

In this embodiment, a bolt is used as the rotation support shaft 8 and a nut is used as the fixing member 9. In this case, a rotation support shaft 8 is vertically provided from the rotation holding portion 7 of the one pipe connecting member 5 and a screw portion is formed on the rotation support shaft 8 to thereby provide a first and second connection member. The rotation between the pipes 1A and 1B may be locked. Also,
As another method, for example, a fixing member 9 is provided on the rotation holding portion 7 of the one inter-pipe connection member 5 by welding or the like, and the rotation support shaft 8 is screwed into the connection member-equipped pipes 1A,
1B may be stopped from rotating with each other.

Reference numeral 30 in FIG. 5 denotes a temporary scaffold pipe connector comprising a pipe with a connecting member according to the present embodiment.

As shown in FIG. 5, a temporary scaffold pipe connector (hereinafter referred to as a "pipe connector") 30 comprising a pipe with a connecting member is provided with a plurality of pipes 1 with a connecting member arranged in a grid. A plurality of rotating shafts 8 that engage with engaging through holes 7a (not shown) of the inter-pipe connecting member 5 provided in each of the connecting member-equipped pipes 1 and have fixing portions such as screws.
And a plurality of fixing members 9 (not shown) that are engaged with the fixing portions of the respective rotation support shafts 8.

Here, at least one other pipe 1 with a connecting member is arranged close to one end of the pipe 1 with a connecting member, and the rotation of each of the pipes 1 with a connecting member is held. The parts 7 are arranged facing each other.

In this embodiment, two pipes 1 with connecting members are arranged at the four corners of the outer frame of the pipe connecting body 30 (that is, the two rotation holding parts 7 are opposed to each other).
Three pipes with a connecting member 1 are arranged in a portion of the outer frame except for the four corners (ie, three rotation holding parts 7 are opposed to each other). Further, four pipes 1 with a connecting member are arranged in a portion other than the outer frame of the pipe connector 30 (that is, the four rotation holding portions 7 are opposed to each other).

Each of the rotating holding portions 7 arranged opposite to each other is connected and fixed by a rotating support shaft 8 and a fixing member 9, thereby forming a grid-like pipe connecting body 30. . In this case, the pipes 1 with connecting members are connected and fixed in the same manner as the pipe connecting body 20 including the two pipes 1 with connecting members shown in FIGS. 4 (a), 4 (b) and 4 (c). .

At the time of forming the pipe connecting body 30, the pipes 1 with connecting members are formed by sequentially connecting.
In this case, several pipes 1 with connecting members (for example, several pipes 1 with connecting members on the lower side shown in FIG. 5) are connected in advance, and the remaining pipes 1 with connecting members are sequentially connected thereto. Thus, the pipe connection body 30 can be formed. Further, a plurality of pipe connected bodies each composed of several pipes 1 with connecting members may be formed in advance, and the pipe connected bodies 30 may be formed by connecting and fixing the respective pipe connected bodies.

Here, a case where the pipe connector 30 is applied to a conventional temporary scaffold 100 shown in FIG. 6 will be exemplified (not shown). In this case, the two pipe connectors 130 constituting the conventional temporary scaffold 100 may be replaced with the pipe connector 30 of the present invention. Further, the scaffold 110 and the scaffold placement member 120 for placing the scaffold 110 are arranged in the same manner as in the conventional example.

In this case, each pipe connection body 30 is formed by sequentially connecting the pipes 1 with connection members as described above. Alternatively, a part of the two pipe connected bodies 30 is formed in advance, and the pipe connected bodies composed of the parts are arranged to face each other, and then the remaining pipes with connecting members 1 are sequentially connected to each other. . For this reason, the pipe connecting body 30 can be formed by, for example, appropriately selecting an assembling method in accordance with the area of the work site required for assembling the pipes 1 with the connecting members, for example, in the work site of the construction site.

By applying the pipe connector 30 that can be formed as described above to the temporary scaffold 100 shown in the conventional example, a temporary scaffold similar to the temporary scaffold 100 of the conventional example can be formed easily and effectively. it can. Further, the temporary scaffold composed of the pipe connector 30 according to the present invention can form the lower portion (the lower portion in FIG. 5) of the pipe connector 30 more smoothly than the temporary scaffold 100 of the conventional example.
Stability when the temporary scaffold is placed can be improved.

[0054]

Since the pipe with the connecting member according to the present invention is rotatable between the pipes, the connecting state (shape) of the pipes can be arbitrarily set. Further, by forming the pipe and the member for connecting the pipes with aluminum, the weight can be reduced.

Here, the pipe with a connecting member has an engaging portion in which a pipe connecting member capable of connecting each pipe is formed in a cylindrical shape having an outer diameter corresponding to the inner diameter of the pipe. Are formed so that they can be screwed together, so that the pipe and the inter-pipe connecting member can be effectively engaged.
Further, since a female screw portion is formed in the engaging portion toward the central axis of the engaging portion, and a through hole corresponding to the female screw portion is formed in a side surface of the pipe, a fixing member corresponding to the female screw portion is formed. Can be used to engage the pipe and the inter-pipe connection member. Thereby, the pipe and the inter-pipe connecting member can be effectively engaged, and the rotation holding portion of the inter-pipe connecting member with respect to the pipe can be easily positioned.

Further, since the connecting position between the pipes is predetermined by the connecting member between the pipes, the connecting position between the pipes can be grasped without relying on the visual as in the conventional example, and it is easy to understand. It is possible to obtain an excellent pipe with a connecting member, which can be connected to each other, which has not been achieved before.

Next, the pipe connection for a temporary scaffold made of the pipe with the connecting member according to the present invention can be made shorter than the conventional pipe by using the pipe with the connecting member according to the present invention. It is possible to form a part of the pipe connection body in advance. For this reason, the number of steps for connecting the pipes with connecting members at a high place can be reduced, and the pipe connected body can be formed easily and effectively.

Also, by forming a part of the pipe connection body in advance as described above, the number of steps for connecting pipes at a high place can be reduced, so that safety can be improved. Further, since no clamp is required to form the pipe joint, it is possible to prevent the clamp from dropping during the operation of forming the pipe joint at a high place, thereby improving safety. it can.

Furthermore, since a short pipe can be used, the pipe can be transported without using a large transport vehicle. You can get your body.

[Brief description of the drawings]

FIG. 1 (a) is a front view showing a first embodiment of a pipe with a connecting member of the present invention, and FIG. 1 (b) is a side view showing the pipe with a connecting member in the present embodiment. .

FIG. 2A is a front view showing a second embodiment of a pipe with a connecting member of the present invention, and FIG. 2B is a side view showing the pipe with a connecting member in the present embodiment. .

3A is a cross-sectional view taken along a line AA shown in FIG. 1A, and FIG. 3B is a sectional view taken along a line B-A shown in FIG.
It is sectional drawing of B.

FIG. 4 (a) is a front view showing a pipe connected body connecting two pipes with connecting members, and FIG. 4 (b) is a side view showing the pipe connected body; Fig. 4 (c) is a front view showing the pipe connection body in which the connection angle of the two pipes with connection members in Fig. 4 (a) is changed.

FIG. 5 is a front view showing an embodiment of a temporary scaffold pipe connector comprising a pipe with a connecting member of the present invention.

FIG. 6 is a perspective view showing a conventional temporary scaffold.

FIG. 7 is an enlarged view of a portion C shown in FIG.

[Explanation of symbols]

 1, 11 pipe with connecting member 2, 12 pipe 2a screw part of pipe 5, 15 connecting member between pipes 6, 16 engaging part 6a screw part of engaging part 7, 17 rotation holding part 7a, 17a penetrating for engaging Hole 8 Rotating support shaft 9 Fixing member 16a Female screw portion of engaging portion 20, 30 Pipe connector

Claims (8)

[Claims] 1. An inter-pipe connecting member engageable with at least one end of the pipe, the inter-pipe connecting member being one side of the inter-pipe connecting member. A plate-like shape having an engaging portion corresponding to the end shape of the pipe, and capable of rotatably engaging at least one other pipe other than the pipe with the other side of the inter-pipe connecting member. A connection comprising: a rotation holding portion formed of a body; the rotation holding portion being disposed parallel to a center axis of the pipe, and an engagement through hole provided in the rotation holding portion. Pipe with members. 2. The pipe with a connecting member according to claim 1, wherein said engaging portion is formed in a cylindrical shape having an outer diameter corresponding to an inner diameter of said pipe. 3. The pipe with a connecting member according to claim 1, wherein the engaging portion and an end of the pipe are mutually screwable. 4. A female screw portion is formed on the engaging portion toward a central axis of the engaging portion, and a through hole corresponding to the female screw portion is formed on a side surface of the pipe. The pipe with a connecting member according to claim 1. 5. The pipe-to-pipe connecting member is formed of aluminum.
A pipe with a connecting member as described in the above. 6. The pipe with a connecting member according to claim 1, wherein said pipe is formed of aluminum. 7. A plurality of pipes with a connecting member according to any one of claims 1 to 6, wherein at least one other pipe with a connecting member is close to one end of the pipe with a connecting member. In addition, the rotation holding portions of the pipes with the connecting members that are adjacent to each other are provided so as to face each other, and a rotation portion having a fixing portion such as a screw in an engagement through hole of each of the rotation holding portions facing each other. A temporary scaffold pipe connecting body comprising a pipe with a connecting member, wherein each of the rotation holding sections is fixed by a fixing member that is inserted into the moving support shaft and engages with a fixing section of the rotation support shaft. . 8. In the pipe with a connecting member provided with the connecting member between pipes at both ends, the rotation holding portions at both ends of the pipe with the connecting member are arranged in parallel with each other. A pipe joint for temporary scaffolding comprising the pipe with a connecting member according to claim 7.