JP2020016108A - Cover for water-permeable hole - Google Patents

Abstract

To provide a cover for water-permeable hole that can be fitted into water-permeable holes of various lengths and that can be easily and reliably fixed to the water-permeable hole.SOLUTION: A cover 5 for water-permeable hole has a pair of locking pieces 9, 9 supported by a cover body 6 on both side edges of a cover plate 8. A mounting tool 7 includes a slide piece 12 supported by both locking pieces 9, 9 and slidably inserted under the cover plate 8. With the slide piece 12 being slid to be adjusted to an arbitrary position of a hole 10 for attachment work, the cover body 6 is fitted to the opening on the front side of a water-permeable hole 3, and then a tightening bolt 13 is tighten so that an engaging member 14 is engaged with an inner surface of the water-permeable hole 3 or an opening edge of the water channel side.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a water permeable hole cover for covering a water permeable hole formed mainly in a concrete block body constituting a gutter.

  In the side gutter of the road, a water permeable hole is formed on the upper surface of the concrete slab or the hollow box-shaped concrete body constituting the gutter, and water generated by rain or the like flows into the water channel in the gutter from the water permeable hole. .

  However, since the edge of the water-permeable hole is in a state where the concrete is exposed, the opening edge is easily damaged, and the hole of the water-permeable hole is widened by the loss of the opening edge of the water-permeable hole, There is a problem that the appearance is deteriorated, and there is a risk that the heel portion of the high heel or the wheel of the wheelchair may be fitted and fall.

  Some water-permeable holes are chamfered at the edge of the opening, and have tapered cross-sections in an inverted C shape formed by inclined surfaces facing each other.

  Therefore, conventionally, a water-permeable hole cover that covers the opening of the water-permeable hole is used to protect the water-permeable hole and to prevent the wheelchair from derailing or the heel portion of the high heel from being fitted, thereby enhancing safety. (See, for example, Patent Documents 1 and 2).

  The water-permeable hole cover includes a cover body that covers the water-permeable hole, and a fixture for fixing the cover body to the water-permeable hole. The cover body is fitted into the water-permeable hole opening, and the fixing tool is attached to the inner peripheral surface of the water-permeable hole. Alternatively, it is fixed by engaging with the opening edge of the water channel side.

JP-A-10-131273 JP 2005-336951 A

  However, the direction and length of the water permeable holes formed in the side grooves are not uniform depending on the members used, and the length of the water permeable hole cover is set for each water permeable hole.

  On the other hand, the conventional water-permeable hole cover is required to be designed in accordance with the shape of the water-permeable hole to be installed because the position of the attachment is set in advance, and the length cannot be adjusted at the installation site, There was a problem that versatility was poor.

  Some of the water-permeable holes formed in the side grooves have a slit shape in which the width of the opening is small and the opening side edges are chamfered. The combined water-permeable-hole cover body was in an unstable state until it was fixed by the attachment, and in some cases, could fall into the water-permeable hole.

  Accordingly, an object of the present invention is to provide a water-permeable hole cover that can cope with water-permeable holes of various lengths and that can be easily and reliably fixed to the water-permeable hole in view of the above-described problems of the related art.

  The feature of the invention according to claim 1 for solving the conventional problem as described above is that a cover main body fitted into a surface side opening of a water permeation hole formed in a concrete body, and the cover main body is connected to the water permeation. In a water permeation hole cover provided with one or a plurality of attachments for fixing to a hole, the cover body has a cover plate having a hole for attachment work, and a pair of locking members supported on both side edges of the cover plate. A slide piece supported by the two locking pieces and slidably inserted under the cover plate; and a slide piece supported by the slide piece via a tightening bolt. An engagement member that engages with an inner side surface or a channel-side opening edge of the water-permeable hole by tightening, and slides the slide piece to a state in which the slide piece is adjusted to a position of an arbitrary mounting work hole; -The main body is fitted into the opening on the surface side of the water-permeable hole, the fastening bolt is tightened, and the engaging member is engaged with the inner surface of the water-permeable hole or the edge of the water passage-side opening. Permeable hole cover.

  A feature of the invention according to a second aspect is that, in addition to the configuration of the first aspect, the slide piece includes a tip-over prevention projection projecting downward from lower ends of the locking pieces.

  A feature of the invention described in claim 3 is that, in addition to the configuration of claim 1 or 2, the locking pieces are formed in a shape having inclined plate portions projecting obliquely downward and inward from each other. And a pressing portion that presses the inclined plate portion in conjunction with the rotation of the tightening bolt and makes contact with a chamfered portion formed at an opening edge of the water-permeable hole.

  The feature of the invention according to claim 4 is the configuration according to any one of claims 1 to 3, wherein the engagement member includes an engagement operation member that moves in a bolt axial direction by rotation of the fastening bolt; An engagement member having a pair of elastic pieces extending downward from both side edges of the substrate inserted between the slide piece and the engagement operation member of the tightening bolt, rotating the tightening bolt, By moving the engagement operating member between the elastic pieces, the elastic piece is pressed by the engagement operating member so as to engage with the inner surface of the water-permeable hole.

  The water-permeable hole cover according to the present invention has the configuration according to claim 1, and adjusts the length of the cover main body and the position of the mounting fixture in accordance with the water-permeable hole formed in the concrete body constituting the side groove. Therefore, it is possible to cope with various water-permeable holes, and cost reduction can be achieved.

  Further, in the present invention, by providing the configuration according to claim 2, the cover main body is kept stable with respect to the water-permeable hole until the overturn prevention convex portion is guided by the water-permeable hole and is fixed by the attachment. Can be held.

  Furthermore, in the present invention, by providing the configuration described in claim 3, the cover main body can be stably fitted into the water-permeable hole whose opening edge is chamfered.

  Furthermore, in the present invention, by providing the configuration according to the fourth aspect, the attachment can be securely fixed to the water-permeable hole.

FIG. 3 is an exploded perspective view showing an embodiment of a water-permeable hole cover according to the present invention. It is sectional drawing which shows the state in which the water-permeable hole cover was installed. (A) is a plan view showing the cover main body in FIG. 1, (b) is a side view thereof, and (c) is a sectional view thereof. (A) is a plan view showing another embodiment of the above cover body, (b) is a side view thereof, and (c) is a sectional view thereof. It is sectional drawing which shows the water permeation hole cover same as the above. (A) is a front view showing a slide piece, and (b) is a plan view thereof. (A) is a front view which shows an operation member, (b) is the top view. (A) is a front view which shows an elastic locking body, (b) is the same top view. It is an expansion perspective view which shows the state of the attachment operation | movement of a water-permeable hole cover same as the above. FIG. 6 is a cross-sectional view showing another embodiment of the water-permeable hole cover of the above, and FIG.

  Next, an embodiment of the water-permeable hole cover 5 according to the present invention will be described based on the embodiment shown in FIGS.

  Reference numeral 1 in the figure denotes a concrete body constituting a gutter. A water-permeable hole 3 communicating with the internal water passage 2 is formed on the surface of the concrete body 1, and rainwater or the like flows into the internal water passage 2 through the water-permeable hole 3. It is supposed to.

  The water passage hole 3 is formed in a tapered hole shape having a wide water passage side in which the inclined inner surfaces face each other, and a chamfered portion 4 is formed at an opening edge of the front surface side.

  The chamfered portions 4 are opposed to each other and have an inverted C-shaped cross section that expands toward the front side, and the opening on the front side including the chamfered portion 4 is covered with the water-permeable hole cover 5.

  The water-permeable hole cover 5 includes a cover body 6 fitted into the opening on the front surface side of the water-permeable hole 3, and one or more attachments 7 for fixing the cover body 6 to the water-permeable hole 3. The main body 6 is fitted into the opening on the surface side of the water permeation hole 3 and is fixed by the attachments 7, 7.

  As shown in FIG. 3, the cover body 6 is made of a metal plate material such as stainless steel, and has a long plate-like cover plate 8, and a pair of locking pieces 9, 9 supported on both side edges of the cover plate 8. And has a length corresponding to the length of the water-permeable hole 3.

  The cover plate 8 is formed so that the lateral width is equal to the width of the front opening of the water-permeable hole 3, that is, the width between the upper ends of the facing chamfers 4, 4, and covers the front opening of the water-permeable hole 3. .

  A plurality of water intake holes 10, 10... Are formed in the cover plate 8 at intervals in the longitudinal direction, and water such as rainwater is transmitted through the water intake holes 10, 10,.

  The water intake holes 10, 10,... Are formed, for example, in the shape of a round oblong hole, are arranged in series at a predetermined interval at the center of the cover plate 8, and are also used as holes for mounting the mounting fixture 7.

  The water intake holes 10, 10,... May be provided, for example, in such a manner as to be arranged over the side edge of the cover plate 8 and the locking pieces 9, 9, and a hole for attaching the attachment 7 may be separately provided.

  The locking pieces 9, 9 are constituted by inclined plate portions projecting obliquely downward and inward from each other from the side edges of the cover plate 8, and both locking pieces 9, 9 form an inverted U-shaped cross section. A slide groove 11 sandwiched between both locking pieces 9, 9 is formed below.

  The mode of the locking piece 9 is not limited to the above-described embodiment. For example, as shown in FIG. 4, the fitting that extends downward from the lower edge of the inclined plate portion 9 a and fits into the water-permeable hole 3. The joint piece 9b may be integrally provided.

  The locking piece 9 does not include an inclined plate portion due to the shape of the opening edge of the water-permeable hole 3, and has a vertical piece extending downward from both side edges of the cover body 8 and an inward direction from the lower edge of the vertical piece. The cover main body may be configured by a protruding horizontal projecting piece so as to form a C-shaped channel.

  One or a plurality of attachments 7, 7 are slidably inserted into the slide groove 11, and each attachment 7, 7 can be moved to a position of an arbitrary water intake hole 10, 10,... (An attachment work hole). It has become.

  The mounting member 7 is supported by both locking pieces 9 and 9 and is slidably inserted into a slide groove 11 below the cover plate 8, and an engagement member supported by the slide member 12 via a fastening bolt 13. A coupling member 14 is provided, and the engagement member 14 is engaged with the inner surface of the water-permeable hole 3 by fastening the fastening bolt 13.

  As shown in the drawing, the slide piece 12 is formed in a rectangular parallelepiped shape, and has a bolt insertion hole 15 formed in the center.

  Further, the slide piece 12 is provided with pressing portions 16, 16 projecting upward from both sides, and the pressing portions 16, 16 press the inclined plate portion of the locking piece 9 in conjunction with the rotation of the tightening bolt 13, and the water is permeable. It comes into contact with a chamfer 4 formed at the opening edge of the hole 3.

  The pressing portions 16, 16 are formed in a tapered shape having an inclined surface 16 a on the lower side, the inclined surface 16 a is engaged with the locking pieces 9, 9, and the lower half of the slide piece 12 is fixed to both locking pieces 9, 9. 9 protrudes downward from the lower end.

  The lower half protruding downward from the lower ends of the locking pieces 9, 9 forms a fall prevention convex portion 17, and the fall prevention convex portion 17 is guided to the inner side surface of the water-permeable hole 3, so that the cover body 6. Can be prevented from falling.

  The tightening bolt 13 has a screw portion 13a protruding below the slide piece 12 through the bolt insertion hole 15, that is, on a side opposite to the cover main body 6, and a head portion 13b is supported by an opening edge of the bolt insertion hole 15 to slide. The piece 12 is rotatably supported by the piece 12.

The engagement member 14 includes an operation member 18 screwed to the fastening bolt 13 and an elastic locking member 19 locked to the inner surface of the water-permeable hole 3.
The operation member 18 is provided with inclined portions 18a, 18a on both sides of which the upper sides are inclined toward each other. ing.

  Further, the operating member 18 has a female screw portion 20 which is formed in a central portion and penetrates in the vertical direction. The female screw portion 20 is screwed into the tightening bolt 13 to rotate the tightening bolt 13, thereby turning the tightening bolt 13. Is moved in the axial direction, that is, vertically.

  The elastic locking body 19 includes a substrate 21 disposed between the slide piece 12 and the operating member 18, a pair of elastic locking pieces 22, 22 protruding downward from both side edges of the substrate 21, The locking pieces 22 are integrally formed with an elastic pressing portion 23 which projects obliquely upward from the inner edge of the distal end.

  The board portion 21 is formed in a flat plate shape having a bolt insertion hole 24 at the center portion, and by passing the tightening bolt 13 through the bolt insertion hole 24 between the slide piece 12 and the operation member 18, the slide piece 12 and the operation member 18.

  The elastic locking pieces 22, 22 are formed so as to protrude downward continuously from both side edges of the substrate 21, and are elastically deformed with a boundary with the substrate 21 as a base end.

  The elastic pressing portion 23 is formed integrally with the elastic locking pieces 22, 22, projecting obliquely upward from the inner edges of the distal ends of the elastic locking pieces 22, 22, and elastically deforms with the boundary between the elastic locking pieces 22, 22 as base ends. It has become.

  Next, a method of attaching the water-permeable hole cover 5 will be described.

  First, if necessary, the cover body 6 is cut in accordance with the length of the water-permeable hole 3, and the required number of attachments 7, 7, that is, the slide pieces 12 are inserted into the slide grooves 11 according to the length. The slide pieces 12 are supported by the locking pieces 9 and 9.

  At this time, the operating member 18, that is, the female screw portion of the operating member 18 is relatively rotated with respect to the tightening bolt 13 to move the operating member 18 to the tip side of the tightening bolt 13, and the inclined portion 18 a of the operating member 18 The elastic pressing portion 23 is brought into contact with the outer surface.

  Next, as shown in the figure, the slide piece 12 is slid in the slide groove 11 so as to be adjusted to the position of an arbitrary water intake hole 10, 10... In this state, the fitting 7 is inserted into the water-permeable hole 3 and the cover body 6 is fitted into the opening of the water-permeable hole 3.

  At this time, since the overturn prevention convex portion 17 of the slide piece 12 projects below the lower ends of the locking pieces 9 and 9 and is guided by the water-permeable hole 3, the cover body 6 is in an unfixed and unstable state. Even if there is no fall.

  Then, a hexagonal wrench is inserted into the hexagonal hole in the head of the tightening bolt 13 from the water intake holes 10, 10... When the operation member 18 is moved to the side 12, the operation member 18 pushes up the elastic locking body 19 to the slide piece 12 side.

  When the tightening bolt 13 is further rotated, the inclined portion of the operating member 18 presses the elastic locking pieces 22, 22 outward through the elastic pressing section 23, and gradually releases the two elastic locking pieces 22, 22. The elastic pressing portion 23 is elastically contacted with the side surface of the operation member 18 at that position, and at this position, the two elastic locking pieces 22, 22 are pressed outward with the maximum stress, and the two elastic locking portions are pressed. The pieces 22, 22 are elastically contacted with the inner surface of the water-permeable hole 3 and locked.

  When the tightening bolt 13 is rotated and tightened, a downward force is applied to the slide piece 12 by the bolt head in conjunction therewith, and the pressing portions 16, 16 of the slide piece 12 cause the inclined plate portions of the locking pieces 9, 9 to move. By pressing, the inclined plate portion is brought into contact with the chamfered portion 4 formed at the opening edge of the water-permeable hole 3, the cover body 6 is fitted in a wedge shape with the opening edge of the water-permeable hole 3, and the water-permeable hole cover 5 is moved. It is fixed to the water passage hole 3.

  Since the attachments 7, 7... Are slidably supported on the cover main body 6, the position of the attachment 7 can be determined arbitrarily. Length can be adjusted freely.

  Further, when the fastening bolt 13 is tightened, the pressing portions 16, 16 of the slide piece 12 slide while pressing the locking pieces 9, 9 of the cover body 6, so that the water-permeable hole cover 5 slides. The cover main body 5 is fitted in a chamfered portion 5 formed on the opening edge in a wedge shape, and a stable fixed state can be maintained.

  Further, the water-permeable hole cover 5 has the slide piece 12 provided with the overturning prevention convex portion 17 so that the cover piece can be fixed by the attachment 7 even when a cover body without the fitting piece 9b shown in FIG. 3 is used. It is possible to prevent the cover main body 6 from falling down in an unstable state until the operation is performed.

  In the above-described embodiment, the locking member including the operating member 18 and the elastic locking body 19 has been described. However, the mode of the locking member is not limited to the above-described embodiment. Like a locking member 30, a board part 31 integrally having a nut part 32 screwed with the tightening bolt 13, elastic locking pieces 33, 33 extending downward from both side edges of the board part 31, An elastic pressing piece 34 projecting outward from the lower end of the stop piece 33 may be used. Note that the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.

DESCRIPTION OF SYMBOLS 1 Concrete body 2 Internal waterway 3 Water permeable hole 4 Chamfer part 5 Water permeable hole cover 6 Cover main body 7 Fixture 8 Cover plate 9 Locking piece 10 Water intake hole (hole for installation work)
DESCRIPTION OF SYMBOLS 11 Slide groove 12 Slide piece 13 Tightening bolt 14 Engaging member 15 Bolt insertion hole 16 Pressing part 17 Fall prevention projection 18 Operating member 19 Elastic locking body 20 Female screw part 21 Substrate part 22 Elastic locking part 23 Elastic pressing part 24 Bolt insertion hole

Claims (4)

A water-permeable hole cover comprising: a cover main body fitted into a surface-side opening of a water-permeable hole formed in a concrete body; and one or more attachments for fixing the cover main body to the water-permeable hole.
The cover body includes a cover plate having a mounting work hole, and a pair of locking pieces supported on both side edges of the cover plate.
The fitting is
A slide piece supported by the locking pieces and slidably inserted under the cover plate;
An engagement member that is supported on the slide piece via a tightening bolt, and that engages with an inner surface of the water-permeable hole or a channel-side opening edge by tightening the tightening bolt;
The slide piece is slid to a state where it is aligned with the position of the mounting hole, the cover body is fitted into the opening on the front side of the water-permeable hole, the tightening bolt is tightened, and the engaging member is tightened. A water hole cover, wherein the water hole hole is engaged with an inner surface of the water hole or a water channel side opening edge.   2. The water-permeable hole cover according to claim 1, wherein the slide piece includes a tip-over prevention protrusion projecting downward from lower ends of the locking pieces. 3.   The locking piece is formed in a shape having an inclined plate portion projecting obliquely downward and inward from each other, and the slide piece is pressed against the inclined plate portion in conjunction with rotation of the fastening bolt, and the water-permeable hole is formed. 3. The water-permeable hole cover according to claim 1, further comprising a pressing portion that comes into contact with a chamfered portion formed at the opening edge of the opening. The engagement member is a pair of engagement operation members that move in the bolt axial direction by rotation of the fastening bolt, and a pair of side edges of a board inserted between the slide piece of the fastening bolt and the engagement operation member. And an engagement member having an elastic piece portion extending downward,
By rotating the tightening bolt and moving the engagement operation member between the elastic pieces, the elastic piece is pressed by the engagement operation member so as to engage with the inner surface of the water-permeable hole. The water permeable hole cover according to claim 1.

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