JP5503256B2 - Horizontal pipe support - Google Patents

Description

  The present invention relates to, for example, a drainage or water supply / hot water horizontal drawpipe for a detached house or an apartment house from below and a support for a horizontal drawpipe that can be adjusted in height.

  For example, a drainage horizontal branch pipe as a horizontal pipe for guiding drainage from a detached house or apartment house to a vertical pipe is generally supported and fixed to a foundation floor such as a floor slab with a support in a state where a drainage gradient is provided. (For example, refer to FIG. 2 of Patent Document 1).

By the way, in the drainage system of the natural flow method, securing the drainage gradient is very important for transporting miscellaneous matters and filth.
That is, in drainage construction, not only construction of pipes and joints, but also installation of supports and securing of the drainage gradient account for a large proportion of the construction.
By the way, the support pitch of the drainage horizontal branch pipe is about 500 to 1000 mm, so there are about 2 to 4 of the above-mentioned support tools per sanitary equipment, and 20 to 30 in total for one dwelling unit. become.

  On the other hand, a support tool 100 as shown in FIG.

As shown in FIG. 7, the support 100 includes a base plate 110 that has a rectangular shape in plan view and is received by a basic floor surface such as a floor slab, and two heights that are erected in the longitudinal direction of the base plate 110. The height adjusting bolt 120, a band portion body 131 having a semicircular inner diameter along the outer peripheral surface of the pipe P to be supported, and extending from the band portion body 131 to both sides, and an insertion hole for the height adjusting bolt 120 are perforated. Upper and lower band members 130a, 130b having a bolt support portion 132 provided, and the height adjusting bolt 120 are screwed together to support and fix the two band members 130a, 130b from the base plate 110 to desired height positions. Two nuts 140 are provided.
As shown in FIG. 7, the support 100 is configured such that the pipe P is disposed between the band part main bodies 131 of the upper and lower band members 130 a and 130 b, and the two bolt support parts 132 are attached by the upper and lower nuts 140. By sandwiching, the outer wall surface of the pipe P is sandwiched and supported between the band part main bodies 131, and the pipe P can be supported at a desired gradient by adjusting the height of the nut 140 from the base plate 110. Yes.

JP 2006-336422 A

However, in the case of the support tool 100, since the support height of the pipe P is adjusted by adjusting the degree of tightening of the nut 140 to the height adjustment bolt 120, it takes time to adjust the height. . Moreover, since it is dangerous if the tip of the height adjusting bolt 120 protrudes upward, when piping is performed under the floor of a house, the portion protruding from the nut 140 on the upper side of the height adjusting bolt 120 is cut. Alternatively, it is necessary to attach a protective cap to a portion protruding from the upper nut 140 or to attach a tool for protecting the eyes. Therefore, there are problems in workability and safety.
In view of the above circumstances, the present invention provides a support for a horizontal draw pipe that is easy to adjust in height, has no problems such as the tip of a dangerous bolt popping out during construction, and is excellent in safety and workability. The purpose is to do.

To achieve the above object, support lateral引管according to the present invention (hereinafter, referred only to as "support") has a tube insertion hole in a part, the inserted pipe from the pipe insertion opening A substantially C-shaped tube gripping portion that grips the outer peripheral surface of the tube in a state of being prevented from coming off from the tube insertion port by elastic force, and a support column that is placed on the foundation floor and supports the tube gripping portion from below. wherein the struts, hole shape or a first strut intermittently a plurality of the first engagement portion in which the groove shape in the vertical direction, to the first support portion, the vertical direction of the one end first strut A hole or groove formed so as to be slidably fitted into the first support portion and to be selectively aligned with the first engagement portion by adjusting the fitting length of the fitting portion to the first strut portion. In a state where the second strut portion having the second engaging portion, the first engaging portion, and the second engaging portion coincide with each other, A fixture that is partially fitted into the first engaging portion and the second engaging portion from the outside of the one strut portion or the second strut portion and prevents the first strut portion from moving up and down relative to the second strut portion. The second strut portion is provided above and below the first strut portion, and the upper second strut portion is integrated with the lower portion of the tube gripping portion. It is characterized by that.

  The support of the present invention is not particularly limited, but the tube gripping portion is provided with the tube insertion port facing upward, and has a flexibility capable of expanding the diameter corresponding to a plurality of tubes having a plurality of diameters. preferable.

The material of the tube gripping portion is not particularly limited as long as the outer peripheral surface of the tube can be gripped by elastic force, and may be a metal such as spring steel or stainless steel, or a synthetic resin such as polyethylene, polypropylene, or ABS resin. Is preferred.
Further, the tube gripping part may be provided with a lip-shaped insertion guide part at the inlet part.
Further, the tube gripping portion is supported and fixed to the upper end of the support column, but may be supported on the upper end of the support column so that the angle can be adjusted along the inclination of the tube axis of the gripped tube.

The material of the first support column and the second support column is not particularly limited, and may be a metal such as galvanized steel, stainless steel, aluminum, and aluminum alloy, or a synthetic resin such as polyethylene, polypropylene, and ABS resin.
In particular, the first strut portion may be formed of a material that can be cut by field construction using a cutter such as a synthetic resin.
A plurality of second engaging portions may be provided in the vertical direction of the second support column.

  A part of the fixture is fitted into the first engagement portion and the second engagement portion from the outside of the first support column or the second support column, and the first support column and the second support column move in the vertical direction. The shape and material are not particularly limited as long as it can be prevented, but the material may be a metal such as galvanized steel, stainless steel, aluminum, aluminum alloy, or synthetic resin such as polyethylene, polypropylene, ABS resin. It is done.

Support according to the present invention, as described above, it has a tube insertion hole in a part, gripping the outer circumferential surface of the inserted pipe from the pipe insertion port to retaining state from the pipe insertion opening by an elastic force A substantially C-shaped tube gripping portion, and a support column that is placed on the foundation floor and supports the tube gripping portion from below, and the column has a hole-like or groove-shaped first engagement. A first support column having a plurality of portions intermittently in the vertical direction, and one end of the first support column slidably fit in the vertical direction of the first support column, and to the first support column of the fitting unit A second strut portion having a hole-like or groove-like second engagement portion drilled so as to selectively coincide with the first engagement portion by adjusting the fitting length of the first engagement portion; In a state where the engaging portion and the second engaging portion coincide with each other, the first engaging portion and the second supporting portion from the outside of the first strut portion or the second strut portion. Fitted part to the second engaging portion, a support lateral引管 comprising a fixture to prevent relative movement in the vertical direction with respect to the second column portion of the first strut, a second The struts are provided on the top and bottom of the first strut, respectively, and the upper second strut is integrated with the lower part of the tube gripping part, so that the height adjustment is easy and the tip of the bolt protrudes. There is no, and it is excellent in safety and workability.
In other words, the second engaging portion of the second support column portion is aligned with the first engaging portion of the first support column portion one step above (or below) the first engaging portion to prevent relative movement with the fixture. The tube gripping height of the tube gripping portion can be set higher (or lower) by the pitch of the first engaging portion, and the height can be adjusted quickly without tightening or loosening the nut. In addition, if the pitches of the first engaging portions are provided at equal pitches, the support members are arranged on the basic floor surface at equal pitches, and the first engaging portions that overlap the second engaging portions are shifted one step at a time. Thus, a predetermined gradient can be automatically secured.

It is a disassembled perspective view of 1st Embodiment of the support tool concerning this invention. It is a figure explaining the assembly method of the support tool of FIG. 1, Comprising: The figure (a) is the state before an assembly, The figure (b) is the state which made the pipe holding part hold | grip the small diameter pipe | tube after an assembly. Appears. It is a cross-sectional view of the fixing part of the 1st support | pillar part and 2nd support | pillar part by the fixing tool of the support tool of FIG. It is a figure explaining the state which made the pipe holding part hold | grip the pipe | tube with a large diameter of the support tool of FIG. It is a disassembled perspective view of 2nd Embodiment of the support tool concerning this invention. It is a longitudinal cross-sectional view of the fixing part of the 1st support | pillar part and 2nd support | pillar part by the fixing tool of the support tool of FIG. It is a figure explaining the state which made the conventional support tool support the pipe | tube.

Hereinafter, the present invention will be described in detail with reference to the drawings showing embodiments thereof.
1 to 4 show a first embodiment of a support according to the present invention.

As shown in FIGS. 1, 2, and 4, the support 1 a includes a tube grip 2, a column 3 a, and a fixture 4 a.
The tube grip 2 is made of a synthetic resin such as polyethylene, polypropylene, ABS resin, and has a substantially C-shaped cross section with a tube insertion port 21 directly above, and as shown in FIG. 2 or FIG. A plurality of types of pipes P1, P2 having different diameters inserted from the insertion port 21 can be gripped by elastic force. That is, as shown in FIG. 1 and FIG. 2A, the tube gripping portion 2 has an inner diameter slightly smaller than the outer diameter of the smallest diameter tube P1 in a state where the tube P1 (or P2) is not gripped. It has become.
In addition, the tube gripping portion 2 includes a lip-shaped insertion guide portion 22 that is provided so that the interval increases from both sides of the tube insertion port 21 toward the outside.

The column 3a includes a first column 31 formed of a synthetic resin such as polyethylene, polypropylene, and ABS resin, two second columns 32 formed of stainless steel, and a synthetic resin such as polyethylene, polypropylene, and ABS resin. And a base plate 33 having a circular shape in plan view.
The 1st support | pillar part 31 is carrying out the column shape provided with the ring-shaped groove | channel 31a used as a 1st latching | locking part at equal pitches in the center axis direction.
The upper and lower grooves 31a are arranged such that when the columns 3a are arranged at intervals of 500 mm, the tube P1 gripped by the tube gripping portion 2 is shifted by one pitch between the grooves 31a into which a part of the fixture 4a is inserted between the adjacent columns 3a. (Or P2) is provided at a pitch with a constant gradient of 1/50.

The two second support columns 32 have a cylindrical shape with a length of 2 pitches or more of the grooves 31a of the first support columns 31 and are provided with two slit-shaped holes 32a each serving as a second engagement unit. Yes.
In the two holes 32a, a line segment that is three-dimensionally orthogonal to the center axis of the cylinder of the second support column 32 connecting both ends in the longitudinal direction of each hole 32a is parallel, and the interval between the two line segments is the groove 31a. It is the same as the diameter of the bottom part.

Further, one second support column portion 32 disposed on the upper side of the support column 3 a is integrally formed on the outer wall surface of the tube gripping portion 2 facing the tube insertion port 21.
The other second support column 32 disposed below the support column 3 a is welded and fixed to the central portion of the base plate 33.

The fixture 4a is formed of a synthetic resin such as polyethylene, polypropylene, ABS resin, and has a substantially C-shape provided so that the engaging portions 42 extend substantially in parallel from both sides of the knob 41. The thickness of the two engaging portions 42 is substantially the same as or slightly thinner than the width of the groove 31a and the hole 32a, and the gap between the two engaging portions 42 is the same as the diameter of the bottom portion of the groove 31a. .
The fixing tool 4a is in a state where the height position of the hole 32a of the second support column 32 is coincided with any of the grooves 31a of the first support column 31, that is, the groove 31a and the hole 32a overlap. In this state, as shown in FIG. 3, the tips of the two engaging portions 42 are respectively faced to one end of the hole 32 a of the second support column portion 32, so that the knob 41 is substantially in contact with the outer wall surface of the second support column portion 32. By pushing in the direction of the arrow until it comes into contact, as shown by the two-dot chain line in FIG. 3, the two engaging portions 42 enter the hole 32a and the groove 31a, and the first column 31 is vertically moved with respect to the second column 32. Is designed to prevent the movement of

Next, the pipe construction method of the pipe P1 (or P2) using this support tool 1a is carried out by supporting and fixing one pipe P1 (or P2) with a gradient of 1/50 using the three support tools 1a. The case where the drain pipe is used will be described in detail.
(1) Only the base plate 33 in which the second support columns 32 on the lower side of the plurality of supporting tools 1a supporting the pipe P1 (or P2) are integrated with each other on the foundation floor (not shown) at intervals of 500 mm. Although not shown, the base plates 33 are fixed on the foundation floor surface with anchor bolts, concrete screws, adhesives or the like.
(2) Insert one end of the first support column 31 of the support 1a that supports the most upstream side of the pipe P1 (or P2) into the lower second support column 32 integrated with the base plate 33, and After aligning the groove 31a provided at the lowermost end of the first support column 31 with the hole 32a of the second support column 32, the two engaging portions 42 of the fixture 4a are engaged with the hole 32a and the groove 31a, and the lower side The first column 31 is prevented from moving up and down with respect to the second column 32.
(3) The other end, that is, the upper end of the first support column 31 is inserted into the upper second support column 32 fixed to the tube gripping unit 2, and the groove provided at the uppermost end of the first support column 31 After aligning 31a with the hole 32a of the second support column 32, the two engaging portions 42 of the fixture 4a are engaged with the hole 32a and the groove 31a, and the upper support column 32 with respect to the first support column 31 is engaged. Prevent vertical movement.
(4) Insert one end of the first support column 31 of the one downstream support tool 1a into the second support column 32 on the lower side integrated with the base plate 33, and the lowest end of the first support column 31 ( Or after the groove 31a provided at the second end from the lower end is aligned with the hole 32a of the second support column 32, the two engaging portions 42 of the fixture 4a are engaged with the hole 32a and the groove 31a, and the lower side The first support column 31 with respect to the second support column 32 is prevented from moving in the vertical direction.
(5) Insert the other end, that is, the upper end of the first support column 31 into the second support column 32 on the upper side fixed to the tube gripping unit 2, and the second (or most) from the upper end of the first support column 31. After the groove 31a provided on the upper end) is aligned with the hole 32a of the second support column 32, the two engaging portions 42 of the fixture 4a are engaged with the hole 32a and the groove 31a, and the second support column 32 on the upper side is engaged. This prevents vertical movement of the first support column 31.
(6) Insert one end of the first support column 31 of the most downstream support tool 1 a into the lower second support column 32 integrated with the base plate 33, and the second end from the lower end of the first support column 31. After aligning the groove 31a provided in the hole 32a of the second support column 32, the two engaging portions 42 of the fixture 4a are engaged with the hole 32a and the groove 31a, and the second support column 32 on the lower side is engaged. The first support 31 is prevented from moving up and down.
(7) The other end, that is, the upper end of the first support column 31 is inserted into the upper second support column 32 fixed to the tube gripping unit 2, and is provided second from the upper end of the first support column 31. After aligning the groove 31a with the hole 32a of the second column 32, the two engaging portions 42 of the fixture 4a are engaged with the hole 32a and the groove 31a, and the first column of the second column 32 on the upper side is engaged. The vertical movement with respect to 31 is prevented.
(8) The pipe P1 (or P2) is inserted into the pipe gripping portion 2 of each support tool 1a, and the pipe P1 (or P2) is supported and fixed in a state where it floats from the basic floor surface with the three support tools 1a. By this fixing, the pipe P1 (or P2) is accurately supported at a gradient of 1/50.
The steps (2) and (3), (4) and (5), and (6) and (7) may be interchanged. Alternatively, after the first support column 31 and the upper second support column 32 are connected first, the lower end of the first support column 31 may be connected to the lower second support column 32.

As described above, the support 1a is aligned so that the groove 31a of the first support column 31 and the hole 32a of the second support column 32 overlap each other, and the engaging portion 42 of the fixture 4a is aligned with the hole 32a and the groove 31a. It is possible to adjust the height position of the tube gripping portion 2 to a desired height position simply by inserting it into the tube. That is, it is easy to adjust the support height position of the pipe P1 (or P2). In addition, gradient matching can be easily performed.
Moreover, since sharp parts, such as a volt | bolt, disappear in the upper part of the support tool 1a, the safety | security at the time of construction increases.

Furthermore, in the conventional support tool 100, the pipe P that can be supported by one support tool 100 has one diameter. However, the support tool 1a has a plurality of tube grip portions 2 due to the flexibility of the synthetic resin. Since the pipe P1 (or P2) having the caliber can be held and fixed, the correspondence with the nominal diameter is shared, and as a result, the total cost of the support is reduced. Then, by sharing the nominal diameter, it is not necessary to stock (stock) each support according to the diameter of the pipe P1 (or P2), and the stock space can be reduced.
In addition, the first support column 31 is formed of a synthetic resin, and can be cut using a dedicated tool (for example, a vinyl chloride resin tube cutter, a band saw, a hand saw, etc.) at the site construction, and the grooves 31a are multi-staged. Therefore, by cutting the first support column 31, the height from the foundation floor to the pipe P1 (or P2) can be adjusted steplessly.

FIG. 5 shows a second embodiment of the support according to the present invention.
As shown in FIG. 5, the support 1b is the same as the support 1a except that the first support 34 and the fixture 4b of the support 3b are configured as described below.

That is, the first support column 34 has a cylindrical shape, and slit-shaped holes 34a, which are first engaging portions having the same size as the holes 32a of the second support column 32, are provided at the same pitch as the groove 31a. It has been.
The fixture 4b has a knob 43 that is larger than the opening area of the hole 32a, a cross-sectional shape that extends from the knob 43, and fits closely into the hole 32a and the hole 34a. The engaging portion 44 is slightly longer than the outer diameter of 32.

  As shown in FIG. 6, the support 1 b inserts the first support column 34 into the second support column 32 so that any one of the holes 34 a overlaps the hole 32 a of the second support column 32. In this state, as shown by the arrow from the one hole 32a side of the second support column 32, the engaging portion 44 of the fixture 4b is moved toward the other hole 32a, and the knob 43 is connected to the second support column 32. By inserting until it almost contacts the outer wall surface, the vertical movement of the second support column 32 relative to the first support column 31 can be prevented.

The present invention is not limited to the above embodiment. For example, in the above embodiment, the first support column is fitted into the second support unit, but the second support unit may be fitted into the first support unit.
In the above embodiment, the tube insertion port of the tube gripping part is directed right above, but if the tube can be gripped with one touch, it is facing straight even if it is facing diagonally. It doesn't matter.

In the above-described embodiment, the second support column is provided on the top and bottom, but it may be provided on either the top or bottom, and one end of the first support column may be fixed to the base plate or the tube gripping unit.
In the above-described embodiment, the support tools are arranged on the foundation floor surface at a pitch of 500 mm, and the vertical pitch of the grooves (or holes) of the first support columns is set to be equal to that of the first support columns. By shifting the groove (or hole) up or down one pitch at a time, the tube can be supported with a gradient of 1/50, but the gradient is 1/100 or 1/200. Thus, the vertical pitch of the grooves (or holes) may be narrowed. The grooves (or holes) are not necessarily provided at an equal pitch.

In the above embodiment, the base plate is circular in plan view, but may be square or rectangular.
In the above embodiment, the base plate is fixed on the foundation floor surface with anchor bolts. However, the base plate may be embedded in the foundation floor at the time of foundation floor construction, and is not fixed. In some cases.

In the second embodiment, the first support column has a shape in which a large number of slits are provided in the vertical direction in the cylindrical body.
In the above embodiment, the first support column and the second support column have a circular cross section, but may have a polygonal cross section.

In the above embodiment, the fixing member is formed of a synthetic resin such as polyethylene, polypropylene, ABS resin, etc., but the rubber elastic body that is press-contacted to the surface of the engaging portion at the time of engagement is bonded and integrated to prevent it from coming off. It does not matter.
In the above-described embodiment, the pipe gripping portion is described so that the pipe having the two calibers can be gripped. However, the pipe gripping section may be capable of gripping three or more pipes having different calibers.
In the above embodiment, since the drain pipe is provided, the slope is provided to support the pipe. However, the slope may not necessarily be provided as in the case of the water supply pipe.

P1, P2 pipe (horizontal drawing pipe)
1a, 1b Support tool 21 Tube insertion port 2 Tube gripping portion 3a, 3b Post 31a Groove (first engaging portion)
34a hole (first engaging portion)
31, 34 1st support | pillar part 32a A hole (2nd engaging part)
32 2nd support | pillar parts 42 and 44 Engagement part 4a, 4b Fixing tool

Claims (4)

Has a tube insertion hole in a part, a tube gripping portion having a substantially C-shaped to grip the outer circumferential surface of the inserted pipe from the pipe insertion port to retaining state from the pipe insertion opening by an elastic force,
A support column that is placed on the foundation floor and supports the tube gripping portion from below;
A first support column having a plurality of first engaging portions intermittently in a vertical direction, wherein the support column has a hole shape or a groove shape;
One end of the first support column is slidably fitted in the vertical direction of the first support column, and the fitting length of the fitting unit to the first support column is adjusted to adjust the first engagement unit and the first support unit. A second strut portion having a second engagement portion in the shape of a hole or a groove formed so as to selectively match,
In a state where the first engagement portion and the second engagement portion coincide with each other, a part is fitted into the first engagement portion and the second engagement portion from the outside of the first strut portion or the second strut portion. A fixing tool for preventing relative movement in the vertical direction of the first support column with respect to the second support column ,
A support for a horizontal draw tube, wherein the second support column part is provided above and below the first support column part, and the upper second support column part is integrated with the lower part of the tube gripping part .  The transversely drawn tube according to claim 1, wherein the substantially C-shaped tube grip portion is provided with a tube insertion port facing upward, and has a flexibility capable of expanding a diameter corresponding to a plurality of tubes having a plurality of diameters. Supporter. The support of the horizontal draw pipe according to claim 1 or 2, wherein the first support column is formed of a material that can be cut by field construction . The horizontal pulling tube support according to claim 3 , wherein the first support column is formed of a synthetic resin .

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