JP2552145Y2 - Temporary lid device for preventing pipe clogging at roof drain - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field] This invention is applicable to the construction of vertical and horizontal roof drains, etc.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary lid device which is temporarily installed on a roof drain during construction and serves as a strainer and a holding lid (curing lid) for preventing clogging of pipes in order to prevent inflow of concrete pieces and other various waste materials.

[0002]

2. Description of the Related Art In general, a roof drain of a facility is often set on a flat roof or a floor of a building prior to concrete casting. The roof drain is classified into a vertical drain and a horizontal drain.

[0003] The vertically drawn roof drain is embedded in slab concrete and drains vertically.
As shown in FIG. 8, a funnel-shaped roof drain main body 1 having a connection pipe 2 with a drain pipe at the bottom, a spacer 3, and a strainer (not shown) mounted on the roof drain main body 1 are provided. I have. Then, in the construction, a fixing bracket 7 is nailed at a predetermined position of the slab formwork 6, and a long screw bolt 8 is screwed to the fixing bracket 7 to stand up, and the fixing bracket 7 and the long screw bolt 8 are put inside. The spacer 3 and the roof drain body 1 are placed on top of each other, the long screw bolt 8 is passed through the holding lid 10, the holding lid 10 is placed on the receiving portion 5 of the roof drain body 1, and the wing nut 9 is screwed into the long screw bolt 8. And presser lid 10
Fix the roof drain body 1 through the concrete
Place 11 After the concrete is hardened, the wing nut 9 is loosened, the long screw bolt 8 and the holding lid 10 are removed, and the slab form 6 is removed.

[0004] Further, the roof drain of the horizontal drawing is embedded in the corner of the slab concrete and the wall concrete, and is initially drained sideways. Conventionally, as shown in FIG.
The roof drain body 13 includes an L-shaped funnel-shaped roof drain body 13 having a horizontal mounting cylinder 2, a spacer 3, and a strainer (not shown) mounted on the roof drain body 13. And
At the time of construction, the fixing bracket 7 is nailed to a predetermined portion of the outer formwork 14 of the wall concrete 12, and thereafter, the spacer 3 and the roof drain body 13 are arranged in the same manner as described above, and the L-shaped holding lid is Fix using 15 and cast concrete 12. After the concrete 12 is hardened, similarly, the long screw bolt 9, the holding lid 15, and the outer formwork 14 are removed.

[0005]

[Problems to be Solved by the Invention] In the above-mentioned conventional roof drain, hardening of the poured concrete 11, 12
After curing, the molds 6 and 14 and the holding lids 10 and 15 are removed, and the drainage pipe 16 is connected by being screwed into the screw 4 of the connecting cylinder 2. However, since the construction of the building continues even after the roof drain facility, not only rainwater but also mortar, concrete chips, various waste materials, etc. generated during the construction often enter the roof drain, which causes clogging of pipes etc. Was one of the causes of the accident.

In view of the above, the present invention provides a temporary strainer that can prevent mortar, concrete pieces, waste materials, and the like from flowing into the installed roof drain.
An object of the present invention is to provide a temporary lid device for preventing clogging of a pipe, which can be attached to a roof drain facility also as a necessary holding lid (curing lid).

[0007]

The construction of the present invention for achieving the above object will be described with reference to the drawings corresponding to the embodiments. The present invention is applied to a pull-type roof drain, and has a funnel-shaped roof drain body 1 buried in slab concrete 11 and a circular cover plate 19 provided with a large number of water passage holes 23 and mounting holes 21, 22. A sealing lid 20 which is detachably attached to the roof drain body 1 and has a perforated curing lid 18 which covers the upper end of the roof drain body 1, and means for detachably fixing the curing lid 18 to the roof drain body 1. It is a feature.

The temporary lid device for preventing clogging of a pipe according to claim 2 is applied to a roof drain of a horizontal drawing type, and is embedded in a corner of a slab concrete 11 and a wall concrete 12, and has an L-shaped longitudinal section. A roof drain body 13 formed in the shape of a funnel and a seal drain 20 which is freely attached to the entire surface of an L-shaped cover plate 19 provided with a number of water passage holes 23 and mounting holes 21 and 28. It is characterized by comprising a perforated curing lid 26 that covers the inflow end of the main body 13, and means for detachably fixing the curing lid 26 to the roof drain main body 13.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 are directed to a vertical pulling roof drain, and FIGS. 5 to 7 are directed to a horizontal pulling roof drain.

1 to 4, reference numeral 1 denotes a roof drain body formed in a funnel shape, and a receiving portion 5 for mounting a strainer (not shown) is formed at an upper portion thereof, and a drainage portion is formed at a lower portion. A connecting cylinder portion 2 provided with an internal thread 4 for connecting the pipe 16 is provided, and a plurality of vertical screw holes 17 are provided at several locations in the upper circumferential direction. Reference numeral 3 denotes a spacer, which is fitted to the connection tube portion 2 and used to set the roof drain body 1 at a predetermined height.

Reference numeral 18 denotes a perforated curing lid which also serves as a retaining lid for retaining and fixing the roof drain body 1 on the formwork 6 and a strainer temporarily provided during construction of the building. As shown in the drawing, the roof drain main body 1 is formed to have a size to cover the entire upper end thereof, and the central portion thereof has the long screw bolt 8.
Is provided, and a radially intermediate portion is
At several places in the circumferential direction, radially long mounting holes 22 and 22 are provided. At other places, a large number of water holes 23 and 23 are provided. A seal 20 that covers the entire surface has a structure in which the seal 20 is detachably attached.

Reference numeral 6 denotes a slab form for placing the slab concrete 11. At a predetermined place where a roof drain is provided, a fixing bracket 7 having a nut 17 in the center is nailed.
The long screw bolt 8 is erected on the nut 17. Then, the spacer 3 is placed on the mold 6 with the fixing metal 7 as the center, and the roof drain main body 1 is placed by fitting to the spacer 3. As shown in FIG. 1, the perforated curing lid 18 is placed on the roof drain body 1 through the long screw bolts 8 in the mounting holes 21, and the short screw bolts 24, 24 are passed through the long mounting holes 22, 22, respectively. It is screwed into the screw holes 27 and 27 and tightened with the nuts 25 and 25, and the screw nut 9 is screwed into the long screw bolt 8 and tightened. As a result, the perforated curing lid 18 is fixed to the roof drain body 1 and the roof drain body 1 is fixed to the form 6 via the perforated curing lid 18. The long screw bolt 8 and the short screw bolts 24, 24 penetrate the seal 20 and are inserted into the holes 21, 23, respectively.

The slab concrete 11 is cast in the above state, and the roof drain body 1 and the spacer 3 are buried in the slab concrete 11. After hardening and curing the cast concrete, loosen the wing nut 9 and tighten the long screw bolt 8
Is separated from the fixing bracket 7 and pulled out, and the formwork 6 is removed.
Then, as shown in FIG. 2, the drain pipe 16 is screwed to the connection cylinder 2. At this time, the perforated curing lid 18 is kept fixed with the short screw bolts 24, 24 as shown in the figure, the sticker 20 attached is removed, and the respective holes 21, 22, 23 are opened. In this state, the construction of the interior of the building is continued, and when the construction is completed, the short screw bolts 24, 24 are removed, and the perforated curing lid 18 is removed. Then, a strainer (not shown) is placed on the roof drain body 1.

As described above, the perforated curing lid 18 connects the roof drain body 1 and the spacer 3 to the slab concrete 11.
Until it is buried inside, the purpose of use as a holding lid (curing lid) can be achieved.
After the curing of 11, the seal 20 is peeled off to function as a temporary strainer, and rainwater flows into the drain pipe from each of the holes 21, 22, and 23. It is possible to prevent concrete pieces and waste materials from flowing into the drain pipe. Since the mounting hole 22 through which the short screw bolt 24 passes is a long hole, it can be used for different drain types and sizes.

FIGS. 5 to 7 show an embodiment for a horizontal pull type roof drain. Reference numeral 13 denotes a drain main body, which is formed in a funnel shape having an L-shaped longitudinal section, and is provided with a horizontal connection cylinder 2 having an internal screw 4. Reference numeral 26 denotes a perforated curing lid, as shown in FIG. 7, which is formed in an L-shape so as to cover the inflow portion which is the upper portion of the roof drain body 13, and has a mounting hole for inserting a long screw bolt 8 in the center thereof. 21 are provided, and on both sides thereof, horizontally long mounting holes 28, 28 facing screw holes 30, 30 for fixing strainers (not shown) provided on the roof drain main body 1 are provided. On one surface, for example, an outer surface of a cover plate 19 provided with a large number of water holes 23, a seal 20 for covering almost the entire surface is detachably attached.

The above-mentioned roof drain body 13 and spacer 3
Is buried at the corner between the existing slab concrete 11 and the wall concrete 12 to be cast. The positioning and fixing is performed by nailing the fixing bracket 7 to the outer formwork 14 of the wall concrete 12 and screwing the long screw bolt 8 to the fixing bracket 7.
The roof drain body 13 is fitted with the spacer 3 in the horizontal direction, the perforated curing lid 26 having the long screw bolt 8 passed through the mounting hole 21 is engaged with the upper portion of the roof drain body 13, and the wing nut is inserted. 9 and tighten it.
The short screw bolts 29, 29 are screwed into the screw holes 27, 27 of the roof drain body 13 through the holes 8, 28 and fastened and fixed. Also in this example, the long screw bolt 8 and the short screw bolt 29,
29 penetrates the seal 20 and is inserted into the holes 21, 28, 28, respectively.

The wall concrete 12 is cast in the above state, and the roof drain body 23 and the spacer 3 are buried in the wall concrete 12. Hardening of cast concrete,
After curing, the wing nut 9 is loosened, the long screw bolt 8 is removed, the formwork 14 is removed, and a drain pipe 16 is connected as shown in FIG. At this time, the perforated curing lid 26 is short screw bolts 29, 29
Then, the sticker 20 is peeled off and the holes 21, 23 and 28 are opened. After the construction of the building is completed, the short screw bolts 29, 29 are removed, the perforated curing lid 26 is removed, and a trainer (not shown) is fitted. Since the mounting hole 28 for passing the short screw bolt 29 is a horizontally long hole, it can be used for different drain types and dimensions.

[0018]

[Effect of the Invention] As described above, the device of the present invention is:
When burying the roof drain body, instead of the conventional holding lid, use a perforated curing lid with a seal attached to the lid plate with many water holes and bolt through holes, and fix it to the mold It is fixed to the roof drain body detachably by the long screw bolt for use and the short screw bolt screwed into the screw hole provided in the roof drain body, so when burying the roof drain body, fixing the roof drain body, This prevents the entry of various objects into the roof drain body, and when the building is to be continued after the burial is completed, remove the seal with the perforated curing lid fixed with short screw bolts to open the water holes. Then, it can be used as a temporary strainer. As a result, it is possible to prevent mortar, concrete pieces, various waste materials, and the like, which are emitted during construction of the building after the roof drain body is buried, from flowing into the drain pipe connected to the roof drain body and causing clogging. At the same time, rainwater has many advantages such as being able to flow in and discharge.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of the device of the present invention applied to a vertically drawn roof drain.

FIG. 2 is a longitudinal sectional view showing a use state after the roof drain main body is embedded.

FIG. 3 is a half-cut enlarged plan view showing the perforated curing lid.

FIG. 4 is a longitudinal sectional view of the same.

FIG. 5 is a longitudinal sectional view showing one embodiment of the device of the present invention applied to a horizontal pull type roof drain.

FIG. 6 is a longitudinal sectional view showing a use state after the roof drain main body is embedded.

FIG. 7 is a perspective view showing the perforated curing lid.

FIG. 8 is a longitudinal sectional view showing a construction state of a conventional vertical pulling roof drain.

FIG. 9 is a longitudinal sectional view showing a construction state of a conventional horizontal pull type roof drain.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof drain main body 2 Connection cylinder 3 Spacer 6 Slab formwork 7 Fixing bracket 8 Long screw bolt 9 Screw nut 11 Slab concrete 12 Wall concrete 13 Roof drain main body 14 Outer formwork 16 Drainage pipe 18 Perforated curing lid 19 Cover plate 20 Seal 21 Mounting hole 22 Mounting hole 23 Water passage hole 24 Short screw bolt 25 Nut 26 Perforated curing lid 27 Screw hole 28 Mounting hole 29 Short screw bolt 30 Screw hole

Claims (2)

(57) [Scope of request for utility model registration] 1. A roof drain body which is detachably attached to the entire surface of a funnel-shaped roof drain body embedded in slab concrete and a circular lid plate provided with a large number of water holes and mounting holes. A temporary lid device for preventing clogging of a pipe in a roof drain, comprising: a perforated curing lid covering an upper end of the roof drain; and means for detachably fixing the curing lid to a roof drain body. 2. A roof drain body formed in a funnel shape having an L-shaped longitudinal section and embedded in a corner of slab concrete and wall concrete, and an L-shaped lid provided with a large number of water passage holes and mounting holes. Removed the seal on the whole surface of the board and stuck it freely,
A temporary lid device for preventing clogging of pipes in a roof drain, comprising: a perforated curing lid for covering an inflow end of a roof drain body; and means for detachably fixing the curing lid to the roof drain body. .