JP5826724B2 - Wiring space structure - Google Patents

Description

  The present invention relates to a wiring space structure provided in a building having columns and horizontal members.

  The wooden frame construction method is a method of constructing a building frame by assembling a plurality of columns and a plurality of horizontal members (beams, girders, trunk differences, etc.). After the construction of the frame, the roof and the outer wall are constructed, and then the construction materials such as the ceiling, floor, shelf, stairs, partition, sill, door frame, etc. are assembled inside the building. When building the interior of the building, wiring work is performed along with construction materials. In Patent Document 1 (see FIGS. 17 and 18), a pipe-like bolt body (610) is passed through a horizontal member such as a beam from top to bottom, and a circular seat provided at the upper end of the bolt body (610). (620) is locked to the upper end of the horizontal member, the lower end of the bolt main body (610) is fixed to the side surface of the pillar by a metal fitting (640), and the technique of passing the wiring through the bolt main body (610) is disclosed. .

JP 2010-144448 A

By the way, if the through hole penetrates the horizontal member up and down, the horizontal member is easily bent with respect to the vertical load, which causes a decrease in strength of the horizontal member.
Therefore, an object of the present invention is to prevent the horizontal member from bending with respect to a vertical load even if the through hole is formed in the horizontal member.

For example, as shown in FIG. 1, the invention according to claim 1 for solving the above-described problem is a wiring space structure 1 provided between adjacent columns 2 and 2 of a wooden building. One or a plurality of through-holes 41 that are installed between 2 and 2 and for wiring between the upper and lower sides of the horizontal member 4 are provided so as to penetrate the horizontal member 4 vertically. The other horizontal member in a cross section perpendicular to the length direction of the other horizontal member 3 of the wooden building in which the section modulus of the horizontal member 4 in the cross section passing through the through hole 41 is orthogonal to the length direction. 3 and a cross-sectional secondary moment of the horizontal member 4 in a cross section passing through the through hole 41 and perpendicular to the length direction of the horizontal member 4 is the length of the other horizontal member 3. The second moment of the cross section of the other horizontal member 3 in the cross section perpendicular to the vertical direction Der is,
Between the two adjacent pillars 2, 2, a pillar 5 that divides the space between the two adjacent pillars 2, 2 horizontally is erected,
A distribution board 6 is accommodated between one of the two pillars 2 and 2 and the pillar 5 between the two pillars 2 and 2,
A support beam 7 is installed between one of the columns 2 and the inter-column 5, and the support beam 7 and the horizontal member 4 under the support beam 7 are connected by a column 8.
The distribution board 6 is a wiring space structure 1 that is attached to the support beam 7 and the support column 8 .

According to the first aspect of the invention, the cross section modulus of the horizontal member 4 is equal to or greater than the cross section modulus of the other horizontal member 3, and the cross sectional secondary moment of the horizontal member 4 is the cross sectional secondary moment of the horizontal member 3. As described above, even if the through hole 41 is formed in the horizontal member 4, the horizontal member 4 is difficult to bend with respect to the vertical load, and the structural strength of the wooden building can be maintained.
Further, since the distribution board 6 is provided between the columns 2 and 2, the distribution board 6 can be installed near the through hole 41. When the wiring 61 passed through the through hole 41 is wired to the distribution board 6, the length of the wiring 61 can be shortened.
Moreover, the space between the pillars 2 and 2 in the wooden building can be effectively used for the distribution board 6.

  The invention according to claim 2 is the wiring space structure 1 according to claim 1, wherein a beam of the horizontal member 4 is higher than a beam of the other horizontal member 3.

  According to the second aspect of the invention, since the beam of the horizontal member 4 is high, even if the horizontal member 4 has a through hole 41, the horizontal member 4 is not easily bent with respect to the vertical load. The structural strength of wooden buildings can be maintained.

  The invention according to claim 3 is the wiring space structure according to claim 1, wherein the beam width of the horizontal member 4 is equal to the beam width of the other horizontal member 3.

  According to the invention of claim 3, since the horizontal member 4 and the other horizontal member 3 have the same beam width, the beam width of both the horizontal member 4 and the other horizontal member 3 is set to the width of the column 2. Can be adapted to

The invention according to claim 4 is the wiring space structure according to any one of claims 1 to 3 , wherein the wiring pipe 42 is inserted into the through hole 41.

According to the invention of claim 4 , when the wiring 61 is passed through the through hole 41, the wiring 61 is protected by the wiring pipe 42, and the wiring 61 is prevented from being rubbed against the inner surface of the through hole 41. Can do.

In the invention according to claim 5 , the wiring pipe 42 is provided so as to protrude upward and downward from the through hole 41, and couplings 42 and 43 are respectively attached to an upper end portion and a lower end portion of the wiring pipe 42. The wiring space structure according to claim 4 , wherein:

According to the fifth aspect of the present invention, it is possible to prevent the wiring tube 42 from coming out of the through hole 41. The wiring pipe 42 can be connected to other wiring pipes by couplings 43 and 44.

According to the present invention, even if a through hole is formed in the horizontal member, the horizontal member is unlikely to bend with respect to a vertical load, and the strength of the horizontal member can be maintained.
Moreover, the space between the pillars in the wooden building can be effectively used for the distribution board.

It is drawing which shows the wiring space structure provided in the wooden building. It is sectional drawing of a horizontal member. It is sectional drawing of the horizontal member different from the horizontal member shown in FIG.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated using drawing. However, since the embodiments described below are provided with various technically preferable limitations for carrying out the present invention, the technical scope of the present invention is not limited to the following embodiments and illustrated examples. Absent.

  FIG. 1 is a drawing showing a wiring space structure 1 provided between two pillars 2 and 2 of a multi-storey wooden building as viewed from the front by a central projection method. This wooden building is a detached house or an apartment house constructed by a frame construction method. That is, the frame structure of this wooden building is composed of a plurality of columns 2, 2,... (Only two columns 2, 2 are shown in FIG. 1), a plurality of horizontal members (for example, beams, girders, 3), and a plurality of horizontal members (for example, beams, girders, body differences, etc.) 4, 4 ... and provided with the columns 2, 2 ... standing upright. The horizontal members 3, 3... Are laid between the pillars 2, 2... And the horizontal members 4, 4.

  These horizontal members 4, 4... Are arranged so as to be parallel to each other with an interval in the vertical direction. Each horizontal member 4 is installed between the two pillars 2 and 2 between the upper floor and the lower floor. A space between these two pillars 2 and 2 is a space for electric wiring called so-called EPS (Electrical Piping Shaft or Electrical Piping Space).

  Between the two adjacent pillars 2, 2, the intermediate pillars 5, 5... Are erected, and the space between the two adjacent pillars 2, 2 is horizontally divided by the intermediate pillars 5, 5. The upper ends of the intermediate pillars 5 are joined to the lower ends of the upper horizontal members 4, and the lower ends of the intermediate pillars 5 are joined to the upper ends of the lower horizontal members 4.

  A distribution board 6 is provided in a space between two adjacent pillars 2 and 2. Specifically, three support beams 7, 7, 7 are installed between one column 2 and the inter-column 5, and these support beams 7, 7, 7 and the lower horizontal member 4 are connected by a column 8. The distribution board 6 is attached to the support beams 7, 7, 7 and the support column 8. Since the distribution board 6 is accommodated in the space between the adjacent pillars 2 and 2, the space in the wooden building can be used effectively.

  Each of the horizontal members 4 is formed with a plurality of circular through holes 41, 41. These through holes 41, 41... Penetrate through the horizontal member 4 from the upper end to the lower end. These through holes 41, 41... Are arranged at equal intervals or unequal intervals along the longitudinal direction of the horizontal member 4. The through holes 41, 41... Have the same or different inner diameter. The number of through holes 41 formed in each horizontal member 4 may be one.

  FIG. 2 is a cross-sectional view of the horizontal member 4 that shows a vertical cross section along the center line of the through hole 41 while being orthogonal to the length direction of the horizontal member 4. The cross-sectional secondary moment of the horizontal member 4 in the vertical cross-section along the center line of the through-hole 41 (the cross-section perpendicular to the length direction of the horizontal member 4) is the cross-sectional moment of the other horizontal members 3 of this wooden building. It is equal to or greater than the next moment (secondary moment in the cross section perpendicular to the length direction of the horizontal member 3). The section modulus of the horizontal member 4 in the longitudinal section along the center line of the through hole 41 is equal to or greater than the section modulus of the lateral member 3 in the longitudinal section. Further, the vertical cross section at the position where the through hole 41 is not formed and the cross sectional area of the horizontal member 4 at the end of the horizontal member 4 are equal to or larger than the cross sectional area of the horizontal member 3 in the vertical cross section. Therefore, even if the through-holes 41 are formed in the horizontal member 4, the structural strength of the wooden building can be maintained.

FIG. 3 is a cross-sectional view of the horizontal member 3 showing a vertical cross section orthogonal to the length direction of the horizontal member 3.
As shown in FIGS. 2 and 3, the beam H 1 of the horizontal member 4 is higher than the beam H 2 of the horizontal members 3, 3..., And the beam width W 1 of the horizontal member 4 is the beam width of the horizontal member 3. Equal to W2. Since the beam member H1 of the horizontal member 4 is higher than the beam member H2 of the horizontal member 3, even if the horizontal member 4 has through holes 41, 41. Hard to bend.

  Preferably, the beam width W1 of the horizontal member 3 and the beam width W2 of the horizontal member 4 are equal to the width (thickness) of the column 2. Further, preferably, the cross-sectional shape of the horizontal members 3, 3... In the cross section orthogonal to the length direction of the horizontal member 3 is a square, and the horizontal member 4 in the cross section orthogonal to the length direction of the horizontal member 4. The cross-sectional shape is a vertically long rectangle.

As an example of specific dimensions, the beam width W2 of the horizontal member 3 is 105 mm, the beam formation H2 of the horizontal member 3 is 105 mm, and the cross-sectional area of the horizontal member 3 in the cross section of FIG. A1 is 11025 mm ² , the cross-sectional secondary moment I1 of the cross member 3 in the cross section of FIG. 3 is 10129219 mm ⁴ , and the cross section coefficient Z1 of the cross member 3 in the cross section of FIG. 3 is 192938 mm ³ , Longitudinal section at a position where the beam width W1 of the horizontal member 4 is 105 mm, the beam H1 of the horizontal member 4 is 150 mm, the diameter D1 of the through hole 41 is 40 mm, and the through hole 41 is not formed. The cross-sectional area A2 of the horizontal member 4 at the surface or the end of the horizontal member 4 is 15750 mm ² , and the cross-sectional secondary moment I2 of the horizontal member 4 in the cross section of FIG. 2 is 18281250 mm ⁴ , a section modulus Z2 is two hundred forty-three thousand seven hundred fifty mm ³ of horizontal member 4 in a cross section, the cross-sectional shape of the column 2 in a cross section perpendicular to the length direction of the column 2 is 105mm Square is a square.

  Since the beam width W1 of the horizontal member 4 and the other horizontal members 3 have the same beam width W2, the beam widths W1 and W2 of the horizontal member 3 and the horizontal member 4 can be adjusted to the width of the column 2, It is possible to prevent any of the column 2 and the horizontal members 3 and 4 from protruding in the width direction at these joints. In addition, since the beam width W1 of the horizontal member 4 is larger than the beam width W2 of the other horizontal member 3, the cross-sectional secondary moment of the horizontal member 4 becomes equal to or larger than the cross-sectional secondary moment of the horizontal member 3, The section modulus of the frame member 4 may be equal to or greater than the section modulus of the horizontal member 3.

  As shown in FIG. 2, a wiring tube (conduit tube) 42 is inserted into the through hole 41. The wiring tube 42 is a flexible synthetic resin tube (for example, a CD tube (Combined Duct) or a PF tube (Plastic Flexible conduit)) or a metal tube.

  The upper end of the wiring tube 42 protrudes upward from the through hole 41, and the lower end of the wiring tube 42 protrudes downward from the through hole 41. A coupling (pipe joint) 43 is attached to the upper end of the wiring pipe 42, and a coupling 44 is attached to the lower end of the wiring pipe 42. The through holes 41, 41... Other than the through hole 41 shown in FIG.

  Since the wiring pipe 42 is inserted into the through hole 41, it is possible to prevent the wiring from being rubbed against the inner surface of the through hole 41 when a wiring such as an optical fiber or an electric wire is passed through the through hole 41. Therefore, the wiring can be protected.

  The outer diameters of the couplings 43 and 44 are longer than the inner diameter of the through-hole 41, and the coupling 43 and 44 can prevent the wiring tube 42 from being pulled out of the through-hole 41. Further, since the couplings 43 and 44 are attached to the wiring pipe 42, other wiring pipes can be connected to the wiring pipe 42 by the couplings 43 and 44.

  As shown in FIG. 1, wirings (electric wires) 61, 61, 61 extend from the distribution board 6, and these wirings 61, 61, 61 are the through holes 41, 41, 41 of the upper horizontal member 4 and the wiring pipes. 42, 42 and 42 are routed to the upper floor. Although illustration is omitted, wirings 61, 61, 61 are respectively passed through the wiring pipes, one ends of the wiring pipes are connected to the distribution board 6, and the other ends of the wiring pipes are provided on the horizontal member 4. The couplings 44, 44, 44 may be connected respectively. Note that the wirings 61, 61, 61 may be exposed.

  Wirings (electric wires) 62, 62, 62 extend from the distribution board 6, and these wirings 62, 62, 62 pass through the through holes 41, 41, 41 and the wiring pipes 42, 42, 42 of the lower horizontal member 4. It has been wired to the lower floor. These wirings 62, 62, and 62 are passed through the wiring pipe in the same manner as the wiring 61 or are exposed.

  Since the distribution board 6 is provided between the columns 2 and 2, the distribution board 6 can be installed near the upper and lower horizontal members 4, and the lengths of the wirings 61 and 62 can be shortened. it can.

  Wiring (optical fiber or electric wire) 63, 63, 63 is passed through the through holes 41, 41, 41 of the upper horizontal member 4 and the wiring pipes 42, 42, 42, and the through holes of the lower horizontal member 4 41, 41, 41 and wiring pipes 42, 42, 42 are wired from the upper floor to the lower floor via the main floor. Although illustration is omitted, electric wires 63, 63, 63 are respectively passed through the wiring pipes, and one ends of these wiring pipes are connected to couplings 43, 43, 43 provided on the lower horizontal member 4, respectively. The electric wires 63, 63, 63 may be exposed.

  A surface material (for example, interior wall material, exterior wall material) is attached to the two columns 2 and 2 and the upper and lower horizontal members 4 and 4, and the two columns 21 and 21 and the upper and lower horizontal members 4 are attached. , 4 is closed by the surface material, and the wirings 61, 61, 61, 62, 62, 62, 63, 63, 63 are hidden behind the surface material. An opening is formed in the surface material, and the distribution board 6 is fitted into the opening and exposed to the front side of the surface material. In addition, it is the area | region enclosed by the two pillars 21 and 21 and the up-and-down horizontal members 4 and 4, and is the wiring 61, 61, 61, 62, 62, 62, 63, 63, 63 and the distribution board 6 A door may be provided on the front side instead of the surface material, and the wiring 61, 61, 61, 62, 62, 62, 63, 63, 63 and the distribution board 6 may be hidden behind the closed door.

  The embodiments described above may be modified as appropriate without departing from the spirit of the present invention. Hereinafter, some modifications will be described.

<Modification 1>
The horizontal member 4 below the lowermost floor is omitted, or a floor beam having a lower beam than that of the horizontal member 4 (the through beam for electrical wiring is not formed in the floor beam). It may be provided instead of the frame 4.
Further, the horizontal member 4 on the uppermost floor is omitted, or a ceiling beam having a beam formation lower than that of the horizontal member 4 (the through beam for electric wiring is not formed in the ceiling beam) is upper. It may be provided instead of the horizontal member 4.

<Modification 2>
The construction method of the wooden building may be a frame wall method or a panel method, or may be a combination of any two or more of a frame method, a frame wall method, and a panel method. It may be a construction method developed from the wall construction method or the panel construction method. In any wooden building constructed by any method, the wooden building is provided with a plurality of columns 2, 2..., Horizontal members 3, 3.

  Although the embodiments of the present invention and the modifications thereof have been described above, the technical scope of the present invention is not limited to the above-described embodiments and modifications. Accordingly, embodiments appropriately modified from the above-described embodiments and modifications without departing from the spirit of the present invention also belong to the technical scope of the present invention.

2 pillars 3 horizontal members (other horizontal members)
4 Horizontal material 6 Distribution board 41 Through hole 42 Wiring pipe 43, 44 Coupling 61, 62, 63 Wiring

Claims (5)

In the wiring space structure provided between adjacent pillars of a wooden building,
A horizontal member is installed between the pillars,
One or more through holes for wiring between the upper and lower sides of the horizontal member are provided so as to penetrate the horizontal member vertically,
The other horizontal section in the cross section orthogonal to the length direction of the other horizontal members of the wooden building in which the section modulus of the horizontal member in the cross section passing through the through hole is orthogonal to the length direction of the horizontal member. It is more than the section modulus of the frame,
The other transverse member in a cross section orthogonal to the length direction of the horizontal member and in which a cross-sectional secondary moment of the horizontal member in a cross section passing through the through hole is orthogonal to the length direction of the other horizontal member. Ri der second moment more of wood,
Between the two adjacent pillars, a pillar is erected to divide the space between the two adjacent pillars horizontally.
A distribution board is housed between one of the two adjacent pillars and the inter-column,
A support beam is erected between one column and the inter-column, and the support beam and the horizontal member under the support beam are connected by a column.
The wiring space structure , wherein the distribution board is attached to the support beam and the support column . The wiring space structure according to claim 1, wherein a beam of the horizontal member is higher than a beam of the other horizontal member. The wiring space structure according to claim 1 or 2, wherein a beam width of the horizontal member is equal to a beam width of the other horizontal member. The wiring space structure according to any one of claims 1 to 3 , wherein a wiring pipe is inserted into the through hole. The wiring pipe is provided so as to protrude upward and downward from the through hole,
The wiring space structure according to claim 4 , wherein couplings are respectively attached to an upper end portion and a lower end portion of the wiring pipe.

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