JP3200322U - Floor sleeve - Google Patents

Abstract

Provided is a floor sleeve which can perform a supporting and fixing operation of piping easily and easily, and enables concrete placement without flowing into the sleeve. A floor sleeve has an installation structure that penetrates a floor of a building and has a tip exposed at a predetermined length on an upper portion of the floor. The support base 15 provided in the sleeve main body 12 through which the pipe is inserted integrally forms the mounting base portion 16 and the floor surface fixing base portion 18. A pipe fixing mechanism 20 including a U bolt 28 and a pipe fixing member 22 is detachably provided on the mounting base 16 and supports and fixes a pipe through which the sleeve body is inserted in the height direction. The floor surface fixing base portion 18 is provided with full screw bolts 32 functioning as anchor members, and is embedded and fixed in a floor formed by concrete placement. A lid member 30 is detachably provided in the upper opening of the sleeve main body, temporarily fixed by a pipe fixing mechanism, and removed when the floor is constructed. [Selection] Figure 1

Description

  The present invention relates to a floor sleeve provided through a floor of a building and penetrating a pipe in a height direction.

  Conventionally, for plumbing equipment around water installed in building structures such as buildings and condominiums, a temporary frame that constructs the floor is installed on the reinforcing bar structure, the reinforcing bars are placed, and a predetermined position of the temporary frame Fix the required number of floor sleeves in this state, place concrete in this state, and after the concrete has hardened, pass the pipe through the floor sleeve and install the pipe fixing part using angle material at the floor surface opening of the floor sleeve. The pipe is supported and fixed by field work.

  9 to 13 show a conventional floor sleeve installation work. First, as shown in FIG. 9, for example, in the case of floor construction on adjacent upper and lower floors, after installing the temporary frame 101 on the reinforcing bar structure (not shown) and arranging the reinforcing bar 102, A leg portion of the floor sleeve 100 is fixed to a temporary frame 101 at a predetermined position and fixed with a nail or the like and fixed to the reinforcing bar 102 with a binding wire or the like.

  By placing concrete in this state, a concrete floor 104 having a through hole formed by the floor sleeve 100 is constructed as shown in FIG. Here, the floor sleeve 100 has an arrangement structure having an exposed portion 100a exposed by a predetermined length above the concrete floor 104.

  Next, as shown in FIG. 11, the pipe fixing portion 108 is installed in the field work using the angle material at the position where the floor sleeve 100 of the floor surface of the concrete floor 104 is opened. Further, the pipe 106 through which the floor sleeve 100 is inserted in the height direction is fixed and supported by the pipe fixing portion 108, and the gap between the floor sleeve 100 and the pipe 106 is filled with a non-combustible material or a sealing material so as to close the gap. ing.

  12 and 13 are enlarged views of a conventional pipe fixing portion, FIG. 12 (A) shows the front, FIG. 12 (B) shows the plane, and FIG. 13 shows the side. As shown in FIG. 12 and FIG. 13, the pipe fixing part 108 is fixed with anchor bolts 116 or the like at two locations on both sides of the floor sleeve 100 with a U-shaped cross-section angle material as the floor surface fixing base 110. An angle member having an L-shaped cross section is fixed on the floor fixing base 110 by welding or the like as a pipe fixing member 112, and the nut 106 is screwed together while the pipe 106 is pressed against the pipe fixing member 112 by the U bolt 114. The pipe 106 is positioned and fixed so that the center of the pipe 106 passes through the approximate center of the floor sleeve 100.

JP-A-6-306976 Utility Model Registration No. 3186347

  However, in such a conventional floor sleeve, the pipe fixing portion 108 shown in FIGS. 12 and 13 is assembled by field work using a welding apparatus to support and fix the pipe. In this case, it is necessary to secure a power source, and in the case of a gas welding apparatus, it is necessary to carry in a gas cylinder, and the work is performed in a space-constrained place, which requires time and labor.

  Also, in order to prevent concrete from entering the floor sleeve due to concrete placement, there may be a field work where the upper opening of the sleeve body is temporarily blocked with a material such as cardboard or a piece of board. The preparatory work to be done takes time and labor, and the floor sleeve opening is closed using a combination of materials, but if the closure is incomplete, concrete will enter the floor sleeve and set, There is a problem that requires work to remove this.

  It is an object of the present invention to provide a floor sleeve that makes it possible to easily and easily perform piping support and fixing work at a work site, and enables concrete placement without allowing concrete to flow into the sleeve. And

(Floor sleeve)
The present invention is a floor sleeve that penetrates the floor of a building and is provided with a tip exposed for a predetermined length at the top of the floor.
A cylindrical sleeve body through which the pipe is inserted;
Provided at a position exposed from the floor outside the upper part of the sleeve body, the mounting base part is formed on the upper side flush with the upper opening of the sleeve body, and the floor surface fixing base part for abutting and fixing to the upper surface of the floor is on the lower side A support base formed in
A pipe fixing mechanism that is detachably provided on the mounting base portion of the support base, and supports and fixes the pipe passing through the sleeve body in the height direction;
An anchor member provided in a floor surface fixing base portion of the support base and embedded and fixed in a floor formed by placing concrete;
Is provided.

(Cover member provided in sleeve opening)
In the floor sleeve of the present invention, a lid member is detachably provided in the upper opening of the sleeve body, and the lid member is temporarily fixed by a pipe fixing mechanism.

(Anchor member)
The anchor member is a bolt member having a predetermined length, and is inserted into a through hole provided in the floor surface fixing base portion of the mounting base and fixed with a nut.

(Long hole)
The through hole formed in the floor fixing base portion of the mounting base is a long hole that can fix the bolt member close to the sleeve body side.

(Retaining nut)
A nut for retaining the bolt member is provided at the buried portion of the bolt member which is fixed to the floor surface fixing base portion of the mounting base and extends downward.

(Piping fixing mechanism)
The piping fixing mechanism is
A U-shaped fastening member for fixing a pipe passing through the sleeve body;
A pipe fixing member comprising an angle member having an L-shaped cross section, and a horizontal fixing piece fixed to the mounting base portion of the support base by bolting and a vertical fixing piece fixing the U-shaped fastening member,
Prepare.

(Temporary fixing of lid member by piping fixing mechanism)
The piping fixing mechanism is
A U-shaped fastening member for fixing a pipe passing through the sleeve body;
A pipe fixing member comprising an angle member having an L-shaped cross section, and a horizontal fixing piece fixed to the mounting base portion of the support base by bolting and a vertical fixing piece fixing the U-shaped fastening member,
With
The lid member provided in the upper opening of the sleeve body is sandwiched and fixed temporarily by bolting the piping fixing member to the mounting base portion of the support base.

(Basic effect)
The present invention is a floor sleeve that penetrates the floor of a building and has a tip exposed at the top of the floor for a predetermined length, and is exposed from a cylindrical sleeve body through which piping is inserted and a floor outside the upper portion of the sleeve body. A support base formed on the upper side of the sleeve body and formed on the upper side of the sleeve body, and a floor base fixing base part that is fixed in contact with the upper surface of the floor is formed on the lower side. A pipe fixing mechanism that is detachably provided on the mounting base of the base and supports the pipe that passes through the sleeve body in the height direction, and a floor fixing base of the support base, and is provided with concrete. Since an anchor member embedded and fixed in the floor formed in this way is provided, after the concrete is placed and the floor is constructed, there is no need to perform on-site work to install a pipe fixing part in the opening of the floor sleeve. Needing welding equipment Ku, a pipe for inserting the sleeve body of the floor sleeve in the height direction in the working site, can be supported and fixed by a pipe fixing mechanism and the supporting base provided integrally with the upper portion of the sleeve body.

  In addition, since the anchor member is provided on the floor surface fixing base portion of the support base provided in the sleeve body, the anchor member is embedded and fixed in the floor when the floor surface is constructed by placing concrete, so that the concrete is cast. After the installation and construction of the floor, field work for fixing the floor surface fixing base portion to the floor surface by driving anchor bolts or the like becomes unnecessary.

(Effect of lid member provided at sleeve opening)
In addition, the floor sleeve of the present invention is provided with a lid member detachably attached to the upper opening of the sleeve body, and the lid member is temporarily fixed by a pipe fixing mechanism, so that the floor sleeve is fixed to a temporary frame of a reinforcing bar structure. When placing concrete, the upper opening of the sleeve body is completely closed by temporarily fixing the lid member, and it is possible to reliably prevent the placed concrete from entering the sleeve body and perform piping work By removing the cover member temporarily fixed using the pipe fixing mechanism, it is possible to efficiently support and fix the pipe through the pipe in a state where the concrete is not contained therein.

  In addition, the temporary fixing of the lid member uses a pipe fixing mechanism provided integrally with the sleeve main body, and therefore it is not necessary to provide a special structure for temporarily fixing the lid member.

(Effects of anchor member)
In addition, the anchor member is a bolt member of a predetermined length, and is inserted into a through hole provided in the floor surface fixing base portion of the mounting base and fixed with a nut. For example, a full screw bolt is used as the bolt member. Thus, the embedding depth of all the screw bolts with respect to the floor can be set as appropriate, and the bolt groove is buried in the concrete, so that it can be securely held and fixed.

(Effects of long holes)
In addition, the through hole formed in the floor fixing base part of the mounting base is a long hole that can fix the bolt member close to the sleeve body side. When the floor sleeve is temporarily fixed with a binding wire, there is a possibility that the anchor bolt member extending downward from the floor surface fixing base part that protrudes on both sides of the sleeve body may hit the reinforcing bar. Assembling the floor sleeve to the rebar so that it does not interfere with the rebar by fixing the bolt member for the anchor as close as possible to the sleeve body side, using the through hole of the bolt member for the anchor as a long hole Is possible.

(Effect of retaining nut)
In addition, since the nuts for retaining the bolt members are provided in the embedded portions of the bolt members that are fixed to the floor fixing base portion of the mounting base and extend downward, in addition to the bolt grooves of the bolt members by placing concrete, A nut screwed into the bolt member in the middle is also embedded in the concrete, so that the anchoring bolt member can be secured more firmly.

(Effects of piping fixing mechanism)
The pipe fixing mechanism includes a U-shaped fastening member that fixes a pipe that passes through the sleeve main body, an angle member having an L-shaped cross section, and a horizontal fixing piece that is fixed to the mounting base portion of the support base by bolting. Since a pipe fixing member having a vertical fixing piece for fixing the U-shaped fastening member is provided, since the pipe fixing member uses a commercially available L-angle material, manufacturing is easy and the cost is minimized. It is possible to suppress.

(Effect of temporarily fixing the lid member by the piping fixing mechanism)
The pipe fixing mechanism includes a U-shaped fastening member that fixes a pipe that passes through the sleeve main body, an angle member having an L-shaped cross section, and a horizontal fixing piece that is fixed to the mounting base portion of the support base by bolting. A pipe fixing member on which a vertical fixing piece for fixing the U-shaped fastening member is arranged, and a cover member provided at the upper opening of the sleeve body is sandwiched by bolting the pipe fixing member to the mounting base portion of the support base, and temporarily Since the upper opening of the sleeve body is closed with a lid member, the sleeve body is securely fixed temporarily by being pinched by the mounting base portion of the pipe fixing mechanism. The operation of inserting and supporting the pipe in the height direction can be performed easily and easily. Furthermore, since all the pipe fixing members use commercially available L-angle materials, manufacturing is easy and the cost can be minimized.

The perspective view which showed the embodiment of the floor sleeve by this invention Explanatory drawing which showed the floor sleeve of FIG. 1 from the front and the plane Explanatory drawing which showed the floor sleeve of FIG. 1 from the side Explanatory drawing which showed the assembly / disassembly state of the floor sleeve of FIG. 1 from the front Explanatory drawing which showed the assembly / disassembly state of the floor sleeve of FIG. 1 from the plane The perspective view which showed the state which removed the cover member of the floor sleeve by this invention Explanatory drawing showing the installation layout of floor sleeves in floor construction Explanatory drawing showing support fixing of piping by floor sleeve of the present invention Explanatory drawing showing the assembly layout of conventional floor sleeves in floor construction Explanatory drawing showing a conventional floor sleeve embedded by concrete placement Explanatory drawing showing the support and fixing of piping through the floor sleeve by field work Explanatory drawing which expanded the conventional piping fixing | fixed part of FIG. Explanatory drawing which expanded and showed the conventional piping fixing | fixed part of FIG.

[Configuration of floor sleeve]
1 is a perspective view showing an embodiment of a floor sleeve according to the present invention, FIG. 2 is an explanatory view showing the floor sleeve of FIG. 1 from the front and the plane, and FIG. 3 is an explanatory view showing the floor sleeve of FIG. 4 is an explanatory view showing the assembly / disassembly state of the floor sleeve of FIG. 1 from the front, FIG. 5 is an explanatory view showing the assembly / disassembly state of the floor sleeve of FIG. 1 from the plane, and FIG. 6 is an illustration of the floor sleeve of FIG. FIG. 7 is a perspective view showing a state in which the cover member of the floor sleeve according to the present invention is removed.

(Outline of floor sleeve)
As shown in FIGS. 1 to 6, the floor sleeve 10 of the present embodiment includes a cylindrical sleeve body 12 through which piping is inserted, and a support base 15 provided at a position exposed from the floor outside the upper portion of the sleeve body. And a pipe fixing mechanism 20 that is detachably provided on the upper part of the support base 15 and supports and fixes a pipe that passes through the sleeve body 12 in the height direction, and is provided on the lower side of the support base 15 to cast concrete. In this case, the screw body 32 is formed of a full screw bolt 32 that functions as an anchor member that is embedded and fixed in a floor formed in this manner, and a lid member 30 is attached to the upper opening of the sleeve body 12. Temporarily fixed.

(Sleeve body)
The sleeve body 12 is, for example, a tubular body obtained by processing a stainless steel plate into a cylindrical shape and welding and fixing a seam. For example, the thickness is 1.2 mm, the outer shape is 100 mm, and the height is 200 mm. Various dimensions are available. As shown in FIGS. 1 to 6, L-shaped leg portions 14 are arranged radially at three locations outside the lower portion of the sleeve body 12, and through holes 14a are provided in the leg portions 14 so that floor construction can be performed. In this case, the sleeve main body 12 disposed at a predetermined position of the temporary frame temporarily provided can be temporarily fixed by nailing or the like.

(Support base)
As shown in FIGS. 1 to 6, the support base 15 is a U-shaped member that opens outward, and is integrally fixed to both sides of the upper portion of the sleeve body 12 by welding or the like. The mounting base 16 is formed flush with the floor, and the floor surface fixing base 18 is formed integrally with the lower surface so as to be in contact with and fixed to the upper surface of the concrete floor.

  As shown in FIG. 3, the arrangement structure of the sleeve body 12 with respect to the concrete floor is as follows. When the length of the sleeve body 12 is L, the lower length L1 portion of the sleeve body 12 is embedded in the concrete floor. The upper portion of the length L2 protrudes from the upper surface of the concrete floor and is exposed. Corresponding to the arrangement structure of the sleeve main body 12 with respect to such a concrete floor, the support base 15 has a height corresponding to the length L2 of the floor surface exposed portion of the sleeve main body 12.

  A pipe fixing member 22 of the pipe fixing mechanism 20 is detachably provided on the mounting base 16 of the support base 15 fixed to the upper portion of the sleeve body 12 by fastening bolts 34 and nuts 36. Further, a full screw bolt 32 for anchor is inserted into the floor surface fixing base portion 18 of the support base 15, and the upper portion is fixed to the floor surface fixing base portion 18 with two nuts 36 and extends downward. A nut 36 is fitted in the middle of the entire screw bolt 32 that becomes the embedded portion.

(Piping fixing mechanism)
As shown in FIGS. 1 to 6, the pipe fixing mechanism 20 includes a pipe fixing member 22 and a U bolt 28.

  As shown in FIG. 5 (A), the pipe fixing member 22 is prepared by preparing three angle members having an L-shaped cross section, arranging them in a U-shape opened forward as viewed from the plane, and fixing them by welding or the like. The horizontal portion of the two angle members positioned is formed as a horizontal fixing piece 24 to form a long hole 42 and is aligned with a long hole 44 provided in the mounting base portion 16 of the support base 15 fixed to the upper portion of the sleeve body 12. As shown in FIG. 4, a bolt 34 is passed from above through a washer 35, and a nut 36 is fitted and fixed from below through a washer 35.

  The long hole 42 of the horizontal fixing piece 24 is formed to be long in the depth direction, while the long hole 44 of the mounting base portion 16 is formed to be long in the horizontal direction so that the bolt 34 is passed. Thus, the position of the pipe fixing member 22 relative to the upper opening of the sleeve body 12 can be adjusted within the range of the long holes 42 and 44.

  As shown in FIG. 4, the vertical fixing piece 26 of the pipe fixing member 22 is formed with a pair of long holes 31 through which the screw portions 28a of the U bolts 28 pass. The long holes 31 are elongated in the lateral direction. As a result, as shown in FIG. 2B, the position can be adjusted within the range of the long hole 31 so that the center of the pipe 40 inserted into the sleeve body 12 coincides with the center of the sleeve body 12. It is said.

  Further, as shown in FIG. 5B, a long hole 46 through which the full screw bolt 32 for anchor is passed is formed in the floor surface fixing base portion 18 formed on the lower side of the support base 15. The long hole 46 is formed so as to be close to the sleeve main body 12 side when seen from the plane.

  By forming such a long hole 46, it is possible to fix the anchor full screw bolt 32 inserted through the long hole 46 and fixed by the nut 36 in a state where it is as close to the sleeve body 12 as possible, When the floor sleeve 10 is temporarily fixed with respect to the reinforcing bars arranged when the concrete floor is constructed, the position can be adjusted so that the full screw bolt 32 for anchor does not hit the reinforcing bars.

  The U-bolt 28 functions as a U-shaped fastening member. As shown in the front view of assembly / disassembly of FIG. 4, the U-bolt 28 is formed in a pair of elongated holes 31 formed in the vertical fixing piece 26 in the pipe fixing member 22 as shown in FIGS. As shown in FIG. 3, the threaded portion 28a at the U-shaped end is inserted, and the pipe 40 can be fastened and fixed to the vertical fixing piece 26 by screwing the nut 36 to the threaded portion 28a. Instead of the U bolt 28, a U band with a bolt attached to the U-shaped end may be used as a U-shaped fastening member, or a split donut-shaped spacer is interposed on the outside of the pipe. The pipe may be fastened and fixed to the vertical fixing piece 26 via a spacer.

(Cover member)
As shown in the perspective view of FIG. 1 and the front of the assembly / disassembly of FIG. 4, the lid member 30 is composed of a lid body 30a formed in a disk shape and a flange 30b integrally formed around the lid body 30a. The lid body 30a is pushed into the upper opening of the sleeve body 12 to a position where the collar portion 30b hits the sleeve opening, and the upper opening of the sleeve body 12 is closed.

  The lid member 30 attached to the upper opening of the sleeve main body 12 is temporarily fixed by using the pipe fixing mechanism 20. That is, when the lid member 30 is attached to the upper opening of the sleeve main body 12, the bolt 34 of the pipe fixing member 22 is loosened so that the pipe fixing member 22 is sufficiently lifted with respect to the mounting base portion 16 of the support base 15. A gap can be formed, and a part of the lid member 30 is inserted into the gap between the pipe fixing member 22 and the mounting base 16 so as to be fitted into the upper opening of the sleeve body 12 and closed.

  Subsequently, by fixing the pipe fixing member 22 to the mounting base 16 by screwing the nut 36 to the bolt 34, the flange portion 30a of the lid member 30 is partially sandwiched and temporarily fixed therebetween.

  When concrete is cast and a concrete floor is formed with the floor sleeve 10 temporarily fixed to a reinforcing steel frame or the like, the floor sleeve 10 is temporarily fixed by being attached to the upper opening of the sleeve body 12 as shown in FIG. The lid member 30 that has been fixed is removed by loosening the bolts 34 and the piping fixing member 22 is lifted off the mounting base 16 and fixedly supported through the piping to the floor sleeve 10 that is opened up and down.

  The assembly of the U bolt 28 to the vertical fixing piece 26 of the pipe fixing member 22 is used in the pipe fixing work after the floor sleeve 10 is embedded and installed on the floor surface by concrete pouring. Prior to installation, the U-bolt 28 may be removed.

[Floor work using floor sleeves]
FIG. 7 is an explanatory view showing an assembly arrangement of floor sleeves in floor construction. As shown in FIG. 7, at the time of floor construction, a temporary frame 48 is constructed at the lower part of the floor surface (the top and bottom of the lower floor) with respect to the steel structure of the building (not shown), and a predetermined position that becomes the water around the temporary frame 48 In addition, the floor sleeve 10 closed by attaching the lid member 30 to the upper opening of the sleeve main body 12 is disposed, and the lower leg portion 14 of the sleeve main body 12 is nailed and temporarily fixed. Subsequently, the reinforcing bars 50 are arranged and fixed to the reinforcing bars 50 in contact with the floor sleeve 10 by using a binding wire such as a wire.

  Here, the anchor full screw bolt 32 is attached to the floor surface fixing base portion 18 on the lower side of the support base 15 when the floor sleeve 10 is fixed to the reinforcing bar 50 with a binding wire. Since there is a possibility that the full screw bolt 32 that has protruded to the lower side of the base portion 18 hits the reinforcing bar 50 and cannot fix the floor sleeve 10 to the predetermined position, the full screw bolt 32 is shown in FIG. It is moved to the inside of the long hole 46 of the floor surface fixing base 18 and fixed in a state close to the sleeve main body 12 so that the entire screw bolt 32 does not interfere with the reinforcing bar 50.

  Further, the U bolt 28 may be prevented from being dropped by screwing the nut 36. Since the U bolt 28 is not used until the pipe is fixed, it may be detached from the floor sleeve 10 and attached during the pipe fixing work.

  In this way, the concrete is placed with the floor sleeve 10 fixed to the temporary frame 48 and the reinforcing bar 50. At this time, the upper opening of the sleeve body 12 of the floor sleeve 10 is closed by the attachment of the lid member 30. Therefore, the concrete cast in the sleeve main body 12 does not enter.

  FIG. 8 is an explanatory view showing pipe support and fixing by a pipe fixing mechanism provided integrally with the floor sleeve. As shown in FIG. 8, when the concrete floor 52 is constructed by placing concrete, the lower side of the sleeve body 12 of the floor sleeve 10 is embedded in the concrete floor 52. Further, the floor fixing base 18 on the lower side of the support base 15 provided on the upper portion of the sleeve body 12 is positioned on the upper surface of the concrete floor 52, and the full screw bolt 32 having the upper part fixed to the floor fixing base 18 is provided. The lower side is embedded and fixed in the concrete floor 52 together with the nut 36 fitted in the middle, whereby the sleeve body 12 can be firmly supported and fixed to the concrete floor 52.

  Further, the lid member 30 and the pipe fixing mechanism 20 that close the upper opening of the sleeve main body 12 are located outside the concrete floor 52, and the pipe fixing member 22 is loosened by loosening the bolts 34 when fixing and supporting the pipe. Is lifted from the mount 16 and the lid member 30 is removed.

  Subsequently, when fixing and supporting the sleeve main body 12 of the floor sleeve 10 through the pipe 40, the nut 36 of the U bolt 28 is loosened and widened, the pipe 40 is arranged through the U bolt 28 and the sleeve main body 12, and the pipe 40 When positioning or the like is completed, a spacer having a divided structure is arranged at the fixed position of the pipe 40, and the nut 36 screwed into the threaded portion 28a of the U bolt 28 is tightened, as shown in FIG. The pipe 40 is fastened and fixed to the pipe fixing member 22 by the U bolt 28.

  In this case, since the outer diameter of the pipe 40 passing through the sleeve main body 12 is determined in advance for the pipe fixing mechanism 20 provided integrally with the upper portion of the sleeve main body 12, as shown in FIG. When viewed from the top, the pipe fixing member 22 is attached to the mounting base 16 so that the central axis of the pipe 40 coincides with the central axis of the sleeve body 12 in a state where the pipe 40 is supported and fixed to the pipe fixing member 22 by the U bolt 28. The pipe fixing member 22 is fastened and fixed to the mounting base 16 with the U bolt 28 by the bolt 34 and the nut 36.

  For this reason, the U bolt 28 is fastened and fixed to the pipe fixing member 22 so that the central axis of the pipe 40 is substantially fixed to the central axis of the sleeve main body 12, and a uniform gap is provided between the sleeve main body 12 and the pipe 40. Is formed. Subsequently, a nonflammable material or a sealing material is press-fitted into the gap between the sleeve body 12 and the pipe 40 to close the gap.

  After constructing the floor by placing concrete in this way, the site work of installing the pipe fixing portion in the opening of the floor sleeve 10 is not required, and the floor sleeve 10 can be installed at the work site without requiring a welding device. The pipe passing through the sleeve main body in the height direction can be supported and fixed by the pipe fixing mechanism 22 provided integrally with the upper portion of the sleeve main body, so that the efficiency of the construction work can be greatly improved.

  Further, when the floor sleeve 10 is fixed to the temporary frame 48 of the reinforcing bar structure and the concrete is placed, the upper opening of the sleeve body 12 is completely closed by the temporary fixing of the lid member 30, and the placed concrete is In a situation where the concrete is not contained by removing the lid member 30 that is temporarily stopped by using the pipe fixing mechanism 20 when the pipe work is reliably prevented from entering the sleeve main body 12. It is possible to support and fix through the piping efficiently.

[Variations of the present invention]
The above embodiment is an example of a floor sleeve through which piping is inserted in the height direction of the building, but may be applied to a sleeve through which piping is inserted in the horizontal direction or oblique direction of the building.

  The present invention is not limited to the above-described embodiments, includes appropriate modifications without impairing the objects and advantages thereof, and is not limited by the numerical values shown in the above-described embodiments.

10: floor sleeve 12: sleeve main body 14: leg 15: support base 16: mounting base 18: floor surface fixing base 20: pipe fixing mechanism 22: pipe fixing member 24: horizontal fixing piece 26: vertical fixing piece 28 : U bolt 30: Lid member 32: Full screw bolt 34: Bolt 36: Nut 40: Piping 52: Concrete floor

Claims (7)

In the floor sleeve that penetrates the floor of the building and is provided with the tip exposed for a predetermined length at the top of the floor,
A cylindrical sleeve body through which the pipe is inserted;
A floor surface fixing base portion that is provided at a position exposed from the floor outside the upper portion of the sleeve main body, and has a mounting base portion on the upper side that is flush with the upper opening of the sleeve main body and is fixed in contact with the upper surface of the floor A support base formed on the lower side,
A pipe fixing mechanism that is detachably provided on a mounting base portion of the support base, and supports and fixes a pipe that passes through the sleeve body in a height direction;
An anchor member provided in the floor surface fixing base portion of the support base and embedded and fixed in the floor formed by placing concrete;
A floor sleeve characterized by providing.
2. The floor sleeve according to claim 1, wherein a lid member is detachably provided at an upper opening of the sleeve main body, and the lid member is temporarily fixed by the pipe fixing mechanism.
2. The floor sleeve according to claim 1, wherein the anchor member is a bolt member having a predetermined length, and is inserted into a through hole provided in a floor surface fixing base portion of the mounting base and fixed by a nut. Floor sleeve.
4. The floor sleeve according to claim 3, wherein the through hole formed in the floor surface fixing base portion of the mounting base is a long hole capable of fixing the bolt member close to the sleeve body side. And floor sleeve.
5. The floor sleeve according to claim 4, wherein a nut for retaining the bolt member is provided at a buried portion of the bolt member that is fixed to the floor surface fixing base portion of the mounting base and extends downward. Floor sleeve.
The floor sleeve according to claim 1, wherein the piping fixing mechanism is
A U-shaped fastening member for fixing a pipe passing through the sleeve body;
A pipe fixing member comprising an angle member having an L-shaped cross section, a horizontal fixing piece fixed to the mounting base portion of the support base by bolting, and a vertical fixing piece fixing the U-shaped fastening member,
A floor sleeve characterized by comprising:
The floor sleeve according to claim 2, wherein the pipe fixing mechanism is
A U-shaped fastening member for fixing a pipe passing through the sleeve body;
A pipe fixing member comprising an angle member having an L-shaped cross section, a horizontal fixing piece fixed to the mounting base portion of the support base by bolting, and a vertical fixing piece fixing the U-shaped fastening member,
With
A floor sleeve characterized in that the lid member provided in the upper opening of the sleeve body is temporarily fixed by being clamped by bolting the piping fixing member to the mounting base portion of the support base.

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