JPH04344114A - Floor duct joint - Google Patents

Abstract

PURPOSE:To reduce an execution cost, by connecting a first inclination pipe part with a first joint pipe part, and by jointing a second inclination pipe part with asecond joint pipe part, and further, by engaging the first and second inclination pipe part with each other in a slipperily movable way. CONSTITUTION:A member 1 for jointing floor ducts with each other is expanded and contracted by sliding its inclination pipe part 1b, 1d on each other. Thereby, the difference in level between joint pipe parts 1a, 1c is adjusted, and is made large or small. With the respective one-end parts of joint ducts 2, 2, which are cut in suitable lengths, the respective one-end parts of the joint pipe parts 1a, 1c are connected respectively. Thereby, the joint duct 2 can be provided, so intersecting obstructions 4 of reinforcing steels of a beam 3 provided in a concrete floor 6, etc., that the joint duct 2 runs along the upsides or downsides of the obstructions 4. As a result, an execution cost can be reduced.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The invention of this application relates to a connecting member for a floor duct for wiring wiring, etc., which is installed inside a floor where obstacles such as reinforcing bars and steel frames exist.

0002

2. Description of the Related Art Conventionally, this type of floor duct connecting member has a structure in which elbow pipes 10, 10 are connected to both ends of a connecting pipe 2 by couplings 11, 11, respectively, as shown in FIG. There is something that did. In order to connect floor ducts using this floor duct connection member, the floor ducts 5 and 5 are piped on both sides of the beam 3 laid inside the concrete floor 6, and the end of one floor duct 5 is connected to the floor duct 5. One end of one elbow pipe 10 is connected by a coupling 11, and one end of the other elbow pipe 10 is connected to the end of the other floor duct 5 by a coupling 11, and an obstacle 4 such as a reinforcing bar of the beam 3 Connecting pipes 2 are laid out to cross each other upwardly or downwardly (in the case shown in FIG.
, 10 were connected by couplings 11, 11, respectively.

0003

[Problem to be Solved by the Invention] In recent years, building construction has become increasingly high-rise and construction costs have been reduced, and as a result, there is a need to reduce the weight of the entire building. Although the thickness is thin, many reinforcing bars and steel frames are laid vertically and horizontally within the concrete floor to maintain its strength. Therefore, the floor duct connection members must be arranged so as to cross as much as possible above or below the obstacles 4 such as reinforcing bars of the beams 3 laid inside the concrete floor 6. As for the connecting member, the elbow pipe 10 has to be prepared by processing a wide variety of products with different sizes and bending angles in a factory, which has the problem of high construction costs.

[0004] Therefore, the floor duct connecting member according to the invention of this application has been made for the purpose of solving the problems that the conventional floor duct connecting members have.

[0005]

[Means for Solving the Problems] Therefore, the floor duct connecting member 1 according to claim 1 according to the invention of this application is a floor duct connecting member 1 that is connected to both ends of a connecting pipe 2, and which is connected to both ends of a connecting pipe 2. The duct connecting member 1 has a connecting pipe part 1a connected to an inclined pipe part 1b, and a connecting pipe part 1c connected to an inclined pipe part 1d, and both inclined pipe parts 1b and 1d are slidably fitted together. I take it as a thing.

Furthermore, in the floor duct connecting member according to claim 2 of the invention of this application, in the structure of the invention according to claim 1, the inclination angle of the connecting pipe portion 1a and the inclined pipe portion 1b, and the The inclination angles of the portion 1c and the inclined tube portion 1d are each about 15 degrees.

[0007]

[Function] The floor duct connecting member according to the invention of this application has the following functions because it has the above-mentioned means. The floor duct connection member according to claim 1 includes inclined pipe portions 1b, 1
The connecting pipe 2 is cut into an appropriate length by adjusting the level difference between the connecting pipe part 1a and the connecting pipe part 1c by increasing or decreasing the height difference by sliding the floor duct connecting members d against each other and expanding and contracting the floor duct connecting members. At both ends of the respective connecting pipe portions 1c,
By connecting the ends of the connecting pipes 1c, the connecting pipes 2 can be disposed so as to cross above or below obstacles 4 such as reinforcing bars of the beams 3 laid inside the concrete floor 6.

[0008] The floor duct connecting member according to claim 2 comprises:
In addition to the effect described in claim 1, when the inclined pipe parts 1b and 1d are made to slide against each other, the angle becomes optimal for sliding, and by setting this angle, the inclined pipe parts 1b and 1d The dimensions of can be set to the optimum length.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of a floor duct connecting member according to the invention of this application will be explained below based on drawings showing examples. FIG. 1 shows a state in which a floor duct connecting member 1 according to the invention of this application is used and connecting pipes 2 are arranged to cross over an obstacle 4 such as a reinforcing bar of a beam 3 at a building construction site. A plan view is shown.

The floor duct connecting member 1 is connected to both ends of a connecting pipe 2, as shown in FIGS. 2 and 3. Each floor duct connection member 1 is
An inclined tube section 1b is connected to the connecting tube section 1a, and an inclined tube section 1d is connected to the connecting tube section 1c, and both inclined tube sections 1b and 1d are slidably fitted into each other. The floor duct connecting member 1 is made of synthetic resin, metal, or a composite of synthetic resin and metal. Although the diameter of the inclined pipe part 1d connected to the connecting pipe part 1c is about one size smaller, the diameter of the inclined pipe part 1b can also be formed about one size larger than the diameter of the inclined pipe part 1d. good.

[0011] Also, the diameter of the end portions of the connecting pipe portions 1a, 1c of the floor duct connecting member 1 is formed to be approximately one size larger than the diameter of the end portions of the connecting pipe 2 and the floor duct 5 connected to these ends. The ends of the connecting pipe 2 and the floor duct 5 are inserted into the ends of the connecting pipe parts 1a and 1c, and both are fastened with screws, but the floor duct connecting member 1 Needless to say, the connecting pipe 2 and the floor duct 5 are connected to the connecting pipe 2 and the floor duct 5.

Furthermore, the floor duct connecting member 1 includes:
As shown in this embodiment, the connecting pipe section 1a and the inclined pipe section 1b
It is preferable that the inclination angle between the connecting tube portion 1c and the inclined tube portion 1d is approximately 15 degrees, respectively.
It is not limited to this angle. The angle is about 15
In the case of a degree, the dimensions of the inclined pipe parts 1b and 1d can be set to the optimum length, and there is no problem in terms of strength, and there is no problem in the sliding condition between the inclined pipe parts 1b and 1d. It won't happen. Further, when wiring electric wires, since the angles of the inclined pipe portions 1b and 1d are not so large, it does not become difficult to wire the wires to the floor duct connecting member 1.

In addition, the ends of the connecting pipe parts 1a and 1c of the floor duct connecting member 1, the ends of the connecting pipe 2 and the floor duct 5, the ends of the inclined pipe part 1b and the end of the inclined pipe part 1d, respectively. If there is a possibility that moisture or water may enter through the gaps between the connecting parts, it is optional to take waterproof measures such as covering these parts with waterproof covers or wrapping waterproof bands around them.

Next, the state of use of the floor duct connecting member according to the invention of this application will be explained. First, the floor ducts 5 are installed on both sides of the obstacle 4 such as the reinforcing bars of the beam 3 laid inside the concrete floor 6, and the connecting pipe section of the floor duct connecting member 1 is connected to the end of one floor duct 5. 1a, and the connecting pipe portion 1a of another floor duct connecting member 1 is connected to the end 5a of the other floor duct 5. Next, both floor duct connecting members 1, the inclined pipe portion 1b of 1,
Floor duct connecting member 1 by sliding 1d together
.
Adjust the height difference between c and 1c. A connecting tube 2 cut to an appropriate length is placed between these connecting tube sections 1c, 1c, and each connecting tube section 1c,
When the ends of 1c are connected, as shown in FIGS. 2 and 3, the connecting tubes 2 cut into appropriate lengths are arranged in a crossing manner above the obstacle 4.

[0015]

[Effects of the Invention] The floor duct connecting member according to the invention of this application has the following effects because it is constructed as described above. In the floor duct connecting member according to claim 1, the connecting pipe portion 1a is expanded and contracted by sliding the inclined pipe portions 1b and 1d together to expand and contract the floor duct connecting member.
This connection can be made by adjusting the height difference between the connecting tube 1c and the connecting tube 1c by increasing or decreasing the height difference, and connecting the ends of the connecting tube 2 to both ends of the connecting tube 2, which has been cut to an appropriate length. Since the pipes 2 can be arranged to cross above or below obstacles 4 such as reinforcing bars of beams 3 laid inside the concrete floor 6, the floor duct connection member 1 can be installed at the factory according to the dimensions and angles. There is no need to process and prepare a wide variety of products with different types, and construction costs can be lowered.

In the floor duct connecting member according to claim 2, in addition to the effects described in claim 1, the inclined pipe portions 1b, 1d
This is the optimal angle for sliding the parts against each other, and by setting the angle, the dimensions of the inclined pipe parts 1b and 1d can be set to the optimal length, so there is no problem in terms of strength. There is no problem in the sliding condition between the inclined tube parts 1b and 1d. Also, when wiring electric wires, the inclined pipe portion 1b,
Since the angle 1d is not so large, there is no difficulty in passing wires through the floor duct connecting member 1, making it very easy to use.

[Brief explanation of drawings]

FIG. 1 is a plan view showing a state in which connecting pipes connected to a floor duct connecting member of the invention of this application are arranged in a crossing manner above an obstacle such as a reinforcing bar of a beam.

FIG. 2 is a perspective view showing an intersection between a connecting pipe connected to a floor duct connecting member in FIG. 1 and an obstacle such as a reinforcing bar of a beam.

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

FIG. 4 is a sectional view showing the floor duct connecting member of the invention of this application in its most reduced state.

FIG. 5 is a sectional view showing the floor duct connecting member of the invention of this application in a slightly expanded state.

FIG. 6 is a sectional view showing the floor duct connecting member of the invention of this application in its most extended state.

FIG. 7 is a cross-sectional view showing a state in which connecting pipes connected to a conventional floor duct connecting member are arranged in a crossing manner above an obstacle such as a reinforcing bar of a beam.

[Explanation of symbols]

1 Floor duct connection member 2 Connecting pipe 1a Connection pipe section 1b Inclined pipe section 1c Connection pipe part 1d Inclined pipe section

Claims (2)

[Claims] 1. A floor duct connecting member 1 connected to both ends of a connecting pipe 2, each floor duct connecting member 1 having an inclined pipe part 1b connected to a connecting pipe part 1a, and a connecting pipe part 1a connected to an inclined pipe part 1b. A floor duct connecting member characterized in that an inclined pipe part 1d is connected to 1c, and both inclined pipe parts 1b and 1d are slidably fitted together. 2. An inclination angle between the connecting tube section 1a and the inclined tube section 1b, and an inclination angle between the connecting tube section 1c and the inclined tube section 1d are each about 15 degrees. The floor duct connection member described in 1.