JP2590596Y2 - Groove lid - Google Patents

Description

[Detailed description of the invention]

[0001]

[Industrial application field] The present invention relates to a side gutter or a cross ditch of a road,
The present invention relates to a groove cover having a locking mechanism provided in a drainage ditch of a parking lot or the like, and more particularly, to a support leg on the back surface of each vertex of an isosceles triangle forming a main unit and a right triangle forming a sub-unit. The present invention relates to a groove cover having a three-point support type locking mechanism provided with a groove.

[0002]

2. Description of the Related Art Conventionally, as a groove cover provided in a groove such as a side groove of a road, a grating formed by cutting a stainless steel plate or the like in a strip shape or a groove cover having a through hole formed of cast iron is widely used. The present applicant has devised and provided a so-called three-point support type groove cover made of cast iron and having no play.

[0003] That is, the lid of the groove on the road No. 56-37026,
Announced and registered as Jiko 61-2213 groove cover and Jiko 61-17085 groove cover, and furthermore, Jikkai 62-103888 ditch lid, Jikkai 4
We have proposed a connection mechanism for a three-point support type groove cover as a connection mechanism for the -130386 groove cover and the actual open flat No. 5-3389 groove cover.

A groove cover having an isosceles triangular shape is continuously provided as a main unit body, and a groove cover having a right-angled triangle shape obtained by dividing the isosceles triangular groove cover into two right and left sides is mainly used as a subunit. It is configured to be located on both sides of the unit.

[0005]

SUMMARY OF THE INVENTION As described above, various locking mechanisms are provided for a groove lid having an isosceles triangular shape of a main unit and a right triangle of a sub-unit and having support legs formed at each apex. Although it has been proposed, when installed in a groove, the back of each apex as seen in Japanese Utility Model Publication No. 61-2213, in order to prevent the adjacent groove lids from separating in the flow direction of the groove and to create a gap between the groove lids A bolt insertion hole is provided in the support leg provided in
The continuous connection using nuts is a reliable connection and does not create a gap, but it is troublesome.
As seen in No. 130386 and No. 5-3389, a vertex formed by equal sides of an isosceles triangular groove cover of the main unit,
A support leg is provided only at the vertex formed by the side perpendicular to the bottom of the groove cover forming the right triangle of the sub-unit body and the oblique side, and an inverted L-shaped or Z-shaped locking opening on both sides or one side of the surface of the support leg. It has been found that the method of providing a groove and connecting with locking pieces provided on both sides or one side of the base of the isosceles triangle has problems such as a need to pay attention to manufacturing. SUMMARY OF THE INVENTION An object of the present invention is to provide a groove cover having a connection mechanism that is easy to connect and easy to manufacture.

[0006]

In a groove cover having an isosceles triangular shape of a main unit and a right-angled triangle of a sub-unit and provided with a supporting leg at each vertex, two equal two sides or hypotenuses and a groove cover are provided. Can be solved by providing a locking piece projecting from the back surface of the groove cover adjacent to the locking piece in the groove width direction at the intersection with a line that bisects the upper and lower parts.

That is, in a groove cover forming an isosceles triangle of the main unit, at the intersection of two equal sides and a side of a line which divides the groove cover into upper and lower halves in parallel with the base, the intersection from the intersection to the base is A sub-unit that is divided into two left and right isosceles triangles that form a main unit by providing locking pieces that are located outside along a straight line and project in a linear direction perpendicular to the base from the back surface of the groove lid. In the right-angled triangular groove cover, similarly, the groove cover is located outside along a straight line lowered to the base at the intersection with the oblique side of the line bisecting the groove cover up and down, and is perpendicular to the base from the back surface of the groove cover. The locking piece may be provided so as to protrude in the linear direction.

A rib connecting the supporting legs is formed on the back surface of the groove cover, and it is preferable that a locking piece is formed on the back surface of the groove cover outside the rib. What is necessary is just to make it longer than the play dimension between the groove lid and the receiving frame when the lid is placed on the receiving frame.

[0009]

The locking piece locks with the locking piece of the adjacent groove cover to prevent the groove cover from separating in the flow direction of the groove.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the embodiments shown in the drawings. In the present invention, as shown in FIG. 1, an isosceles triangular groove cover (1) forming a main unit is provided with support legs (3) on the back surface of each top.
(3), (3) is provided, the groove cover (1) of the main unit body is continuously provided, and the groove cover (2) of the sub-unit body installed at both ends is the groove cover (1) of the main unit body
The left and right sides are divided into two right and left triangles, and support legs (3), (3), and (3) are provided on the back surface of each top like the groove cover (1). The supporting legs (3) provided on the tops of the groove lids (1) and (2) are shown in FIGS.
Support legs that have a cubic shape as shown in the figure and are provided on the bottom side
When the (3) and (3) parts protrude slightly outward from the side, and the support leg (3) part provided on the top formed by the two sides of the isosceles triangle is located slightly inward from the side and is installed continuously, As shown in FIG. 1, it is formed so as to be fitted at the top, and although not shown, it is molded from cast iron into a grid-like body provided with a through hole except the rib forming portion and the outside thereof on the entire surface of the groove cover.

[0011] The groove cover of the main unit constituted as described above.
In (1) and the groove cover (2) of the sub-unit, as shown in FIG. 2, the groove cover (1) of the main unit has two equal sides.
(4), perpendicular to the base (6) passing through the intersections (5) and (5) of the intersection (5) with the line (9) parallel to the base (6) bisecting the groove lid (1) vertically into two parts Engagement piece (7) from the back of groove cover (1) so that it is located outside along (10)
The groove cover (2) of the sub-unit is parallel to the base (6), which divides the groove cover (2) vertically into two at the oblique side (4 '). Locking piece (7) from the back of the groove lid (2) so that it is located outside along the perpendicular (10) to the base (6) passing through the intersection (5)
Are projected in the direction of the perpendicular (10).

As shown in FIGS. 2 and 3, groove covers (1), (2)
The ribs (8) are formed between the supporting legs, but on the back surface of the outer groove cover, the ribs (8) may be provided so as to protrude outside the side (4) from the ribs (8), and the side (4) and If there is no space between the ribs (8), a locking hole may be provided in the rib (8) inside the locking piece (7), and the groove cover
In (1) and (2), since the receiving frame is usually installed so that a gap of about 2 mm is formed on both sides when it is placed on the receiving frame, the total length of the locking piece (7) is about 5 mm or more is sufficient.

[0013]

[Effect of the Invention] Since the present invention is configured as described above, when installing as a groove cover, a groove cover serving as a main unit body is continuously connected to a required length, and a groove cover of a sub-unit body is provided at both ends. However, when connecting each groove cover, it is only necessary to dispose the groove cover so that the locking pieces lock with each other, and when placed on the groove receiving frame, the gap between the groove cover and the groove cover is Since they are locked to each other by the locking pieces, there is no need to worry about a gap. Further, if the groove covers of the sub-units located at both ends are locked to the receiving frame by bolts or the like, the locking pieces are locked to the back surface of the adjacent groove cover, so that it is impossible to partially lift the groove cover. It also has effects such as.

[Brief description of the drawings]

FIG. 1 is a top view showing a connected state (one part is omitted).

FIG. 2 is a rear view showing a state of formation of a locking piece;

FIG. 3 is a side view

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Groove cover of main unit body 2 Groove cover of sub unit body 3 Support leg 4 Side 4 'Oblique side 5 Intersection 6 Bottom 7 Locking piece 8 Rib 9 Line to bisect 10 Perpendicular

Claims (1)

(57) [Scope of request for utility model registration] 1. A groove cover (1) of a main unit has an isosceles triangular shape.
A line that bisects two equal sides (4), (4) and the groove lid (1) up and down
An engaging piece (7) protrudes from the back of the groove lid (1) so that it is located outside along the perpendicular (10) to the base (6) passing through the intersections (5) and (5) with (9). At the very least, the groove lids (2) of the sub-units located at both ends when the groove lids (1) of the main unit are connected in succession will have the groove lids (1) of the main unit divided into two equal sides (4), A right-angled triangle equally divided into two on the left and right by a perpendicular to the base (6) from the intersection of (4) and the groove lid (1)
Similarly, it should be located outside along the perpendicular (10) to the base (6) passing through the intersection (5) of the hypotenuse (4 ') and the line (9) bisecting the groove lid (2) vertically. A groove cover characterized in that a locking piece (7) protrudes from the back surface of the groove cover (2).