JP2009046939A - Side ditch lid and closed lid structure of concrete side ditch block by the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a side ditch lid capable of freely corresponding to a lid receiving body of a side ditch block even though a manufacturing accuracy of a lid member is not uniform. <P>SOLUTION: A side ditch lid 1 is a two-split type lid formed by a combination of a protruded part 4 and a recessed part 5 of a pair of lid members 2, 3 and the side ditch lid 1 is comprised of a pivot 10 capable of revolving the both lid members by inserting core rods 9 to horizontal through-holes 8 formed at the protruded part 4 of the lid members so that top faces of the lid members 2A, 3A are integrally constituted in the vicinity of horizontal state. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention comprises a pair of left and right lid members each having a length that substantially bisects the width of the lateral width, a side groove lid pivotally attached so that both lid members can be bent, and an upper opening of the side groove block by the side groove lid The present invention relates to a lid structure for a concrete side groove block that closes a portion.

  A conventional side groove block, for example, a concrete U-shaped groove block 20 as shown in FIG. 7, is closed by installing a cover plate 22 in its upper opening 21 by fitting. In order to support the concrete cover plate 22, the inner surface of the side wall of the upper opening 21 is cut out in an L-shaped cross section, that is, an L-shaped shape including an upright wall portion 23 and a horizontal lid receiving portion 24. A fitting portion is provided.

  When the cover plate 22 is placed on the horizontal cover receiving portion 24 of the fitting portion configured as described above, the relative error in the torsional direction between the left and right cover receiving portions 24 and the lower surfaces of both side portions of the cover plate 22 Or there is an error in the height in the left and right, front and rear (longitudinal direction), or between the left and right lid receivers 24 and the lower surfaces of both side portions of the lid plate 22. When a foreign object is caught, one corner of the cover plate 22 is in a floating state.

  In such an installation state, when a load is applied to the floating portion of the cover plate 22 due to the passage of an automobile or the like, the cover plate 22 swings on the cover receiving portion 24 to generate noise. Further, there is a problem that the shock and vibration due to the rattle damage the cover plate 22 and the U-shaped groove block 20 and accelerate the deterioration.

  In order to prevent or reduce the generation of the noise as described above, as shown in FIG. 7, a cushioning material 25 such as rubber packing is interposed between the lid receiving portion 24 and the lid plate 22, or FIG. As shown in the figure, when a lid hook 26 is formed on the fitting portion of the U-shaped groove block 20 as a flat surface or an indented cylindrical surface that goes down toward the inner side of the water channel, the lid plate in which each section has the same size. The bottom surface of both side portions of 22 is configured to be a flat surface or a middle convex cylindrical surface 27 that is in close contact with the flat surface or middle concave cylindrical surface of the lid hook 26.

JP-A-6-248688 JP-A-11-131578 JP 2001-214506 A JP-A-2002-115311 JP 2003-129557 A

  However, what installed the shock absorbing material 25, such as rubber packing, between the horizontal lid | cover receiving part 24 and the cover plate 22 of a fitting part as shown in FIG. 7 has a problem in terms of wear or durability. On the other hand, as shown in FIG. 8, by adopting a configuration in which the side side lower surface 27 of the cover plate 22 is brought into close contact with the cover hook 26 formed in the fitting portion of the U-shaped groove block 20, Even when a load is applied, there is an effect that it is possible to prevent rattling from occurring between the lid hook 26 and the side surface lower surface 27. However, due to the dimensional accuracy of both blocks 20 and 22, it is difficult to manufacture a structure in which the side surface lower surface 27 of the cover plate 22 is in close contact with the cover hook 26 of the U-shaped groove block 20. Improvement measures were desired.

  In the invention of the present application, the side groove cover is formed into a two-divided type constituted by a pair of cover members having a length substantially dividing the width of the side groove, and the pair of both cover members are connected by a hinge structure. By providing a configuration, it is possible to provide a side groove lid that can freely correspond to the size of the lid receiving portion of the side groove block even if there is variation in the manufacturing accuracy of the lid member (first object). Provided is a concrete side groove block closing structure capable of preventing the occurrence of rattling even when a vehicle or the like passes through the upper surface of the upper side opening of the side groove block when used (No. 1). The purpose of 2).

  In order to achieve the first object of the present invention, in the side groove cover according to claim 1, a pair of left and right cover members are alternately formed on the inner sides facing each other along the inner sides. A two-divided side groove lid formed by combining the recessed portion and the protruding portion, respectively, and the both lids by inserting a mandrel into a lateral through hole formed in each protruding portion of the combined lid members. The member is pivotally attached so that it can be pivoted. When a load is applied from the upper part, the lid members rotate about the pivotal portion and extend in the left-right direction, and at least the upper surfaces of the lid members It was set as the structure integrated by mutually restraining before and after becoming horizontal state.

  In order to achieve the first object, the second problem-solving means (Claim 2) is characterized in that the deep portion of the recess formed in one lid member is outward from the upper surface to the lower surface of the lid member. The leading end surface of the convex portion of the other lid member that meshes with the concave portion is formed by the upward inclined surface that protrudes outward from the lower surface of the lid member toward the upper surface. When rotating around the pivoting portion and extending in the left-right direction, at least before and after the upper surfaces of both lid members become horizontal, the downward inclined surface of the concave portion and the upward inclined surface of the convex portion are in contact with each other. And integrated into the structure.

  Further, in order to achieve the second object of the present invention, the invention according to claim 3 is the side groove cover according to claim 1 or 2 in the side groove block made of concrete and the lid receiving portion provided in the upper opening thereof. And a pair of left and right lid members constituting the side groove lid when the side groove lid is loaded from above. It is configured so that the lower part of the outer side of both lid members is in close contact with the lid receiving part of the side groove block at least before and after the upper surfaces of both lid members become horizontal. This is a closed lid structure for a concrete side groove block.

  According to the first and second aspects of the invention, even if the manufacturing accuracy of the lid member varies, the size of the lid receiving portion of the side groove block can be freely accommodated. The invention according to claim 3 can prevent the occurrence of rattling when a vehicle or the like passes over the lid member.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in FIGS. In the figure, reference numeral 1 denotes a side groove cover, which is of a two-part type in which one side groove cover 1 is formed by combining a pair of left and right cover members 2, 3 and has the same shape as described later. 2 and 3 are connected by a pivoting portion 10 pivoted so as to be pivotable by a mandrel 9.

  4 is a convex portion formed on each of the opposing inner sides of the lid members 2 and 3, and has a trapezoidal shape in plan view, and 5 is a concave portion formed adjacent to the convex portion 4. The concave portion 5 has a trapezoidal shape having the same shape as the convex portion 4 in plan view so that the concave portion 5 can mesh with the convex portion 4, and the convex portion 4 and the concave portion 5 are a pair of left and right as shown in FIG. Two each of the lid members 2 and 3 are formed along the opposing inner sides.

  Reference numeral 6 denotes a deep portion of the concave portion 5, and the deep portions 6 are formed on the two lid members 2 and 3, respectively, with downward inclined surfaces protruding outward from the upper surfaces 2A and 3A toward the lower surfaces 2B and 3B. The tip 7 of the convex portion 4 of the other lid members 3, 2 facing and engaging with the concave portion 5 is outward from the lower surfaces 2 B, 3 B of the lid members 3, 2 toward the upper surfaces 2 A, 3 A. Each of them is formed with a rising inclined surface protruding in the direction.

  8 is a horizontal through-hole formed in the convex part 4 of the said lid members 2 and 3, and each said horizontal through-hole which superposes | polymerizes by meshing | engaging the convex part 4 and recessed part 5 which the left-right paired lid members 2 and 3 oppose. A mandrel 9 is inserted into a communication hole extending in the longitudinal direction of the hole 8, and the lid members 2, 3 are pivotally attached by a pivoting part 10 connected via the mandrel 9. . In the figure, reference numeral 11 denotes an arcuate protrusion formed on the outer side of the lid members 2 and 3 and below the lid member 2 and 3.

  Reference numeral 12 denotes a culvert-type side groove block, which is in the center of the side groove block 12 and has a rectangular opening 13 that is long in the longitudinal direction at the center in the width direction. The side groove lid 1 is dropped into a fitting portion composed of a portion 14 and a horizontal lid receiving portion 15 to form a closed lid structure for closing the opening portion 13. In the drawing, reference numeral 16 denotes an arcuate recess that forms a connecting part between the vertical part 14 and the lid receiving part 15 constituting the fitting part, and the arcuate protruding part 11 has substantially the same cross-sectional shape. It is a thing.

  When the side groove lid 1 according to the present invention is formed, as shown in FIG. 1, a pair of both lid members 2 and 3 are arranged on the left and right sides, and the convex portion 4 and the concave portion facing each other. 5 and 5 are assembled in a meshed state. Then, by aligning the lateral through-holes 8 that open to the side surfaces of the respective convex portions 4 and inserting the mandrel 9 into the matched lateral through-holes 8, the pair of left and right lid members 2, 3 are pivoted portions 10. Connected with The side groove lid 1 having such a configuration is connected so that the pivoting portion 10 can be bent so as to be a mountain portion.

  When the side groove cover 1 having the above-described configuration is installed in the opening 13 of the side groove block 12, as shown in FIG. 5 (1), the side groove cover 1 is placed so that the pivoting portion 10 becomes a mountain portion. In a state where the width between the arcuate protrusions 11, 11 on the side opposite to the bent and pivoted portion 10 is narrowed, the bent portion is dropped into a fitting portion composed of a vertical portion 14 and a horizontal lid receiving portion 15. Next, as shown in FIG. 5 (2), both the lid members 2 and 3 are pivoted by pressing the pivoting portion 10 on the upper surface of the side groove lid 1 which is a mountain portion downward. The arcuate protrusions 11 and 11 side of both lid members 2 and 3 extend in the left and right arrow directions, respectively.

  As a result, the arcuate protrusions 11, 11 at the lower part of the outer sides of the lid members 2, 3 show the upper surface of the horizontal lid receiving portion 15 of the opening 13 of the side groove block 12 as shown in FIG. It slides in the direction of the arrow and extends and moves in the direction of the vertical portion 14. Then, before and after the upper surfaces 2A and 3A of both the lid members 2 and 3 are substantially horizontal, the rotation of the lid members 2 and 3 around the pivoting portion 10 is stopped, and the circles on the outer sides thereof are stopped. The arcuate protrusions 11 and 11 also stop moving in the direction of the vertical parts 14 and 14.

  More specifically, when the lid members 2 and 3 are pivoted about the pivoting portion 10 and the upper surfaces 2A and 3A of the lid members 2 and 3 are almost horizontal, the tip of the convex portion 4 is raised. The inclined surface 7 and the descending inclined surface 6 in the deep part of the recess 5 abut each other. As a result, the lid members 2 and 3 cannot be rotated further around the pivoting portion 10, and the lid members 2 and 3 are integrated. 11 and 11 stops moving in the direction of the vertical portions 14 and 14, and the opening 13 of the side groove block 12 is closed by the side groove lid 1 in the state shown in FIG.

  The opening 13 of the side groove block 12 is normally closed by the side groove lid 1 as shown in FIG. 5 (3). When a vehicle or the like passes through the upper surface and a load is applied, the two lid members 2 and 3 constituting the side groove lid 1 rotate about the pivoting portion 10, and the arc-shaped protruding portions 11 and 11 on the outer side are formed. It moves in the direction of the vertical part 14, 14 respectively. As a result, as shown in FIG. 5 (4), the arcuate protrusions 11, 11 are in close contact with the arcuate recesses 16, 16 of the side groove block 12. Therefore, no rattling occurs between the fitting portion of the side groove block 12 and the side groove lid 1.

The disassembled perspective view of the gutter lid concerning the present invention Whole perspective view of side groove lid in assembled state AA line cross-sectional view of FIG. Front view showing operation of gutter lid Action explanatory drawing which shows the state which closes the opening part of a side groove block with a side groove cover The perspective view of the state which closed the opening part of the side groove block with the side groove cover Explanatory drawing of the state where the opening of the conventional gutter block was closed with a gutter lid Explanatory drawing of the state where the opening of the conventional gutter block was closed with a gutter lid

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Side groove cover 2, 3 Lid member 2A, 3A Upper surface 2B, 3B Lower surface 4 Recessed part 5 Convex part 6 Falling inclined surface 7 Ascending inclined surface 8 Lateral through hole 9 Mandrel 10 Pivoting part 11 Arc-shaped protrusion 12 Side groove block 13 Opening 14 Vertical portion 15 Lid receiving portion 16 Arc-shaped concave portion

Claims (4)

  A pair of left and right lid members, which are two-part side groove lids formed by meshing recesses and projections alternately formed along the inner sides of the opposing inner sides, and are engaged with each other. A mandrel is inserted into the horizontal through-holes formed in the convex portions of the lid members assembled in the above manner so that the lid members can be pivoted, and a load is applied from the upper part of the side groove lid. In this case, both the lid members rotate around the pivoting portion and the outer side extends in the left-right direction, and at least the upper surfaces of both lid members become horizontal and constrain each other before and after the integration. A gutter lid characterized by comprising the following structure.   The deep portion of the concave portion formed in one lid member is a descending inclined surface projecting outward from the upper surface of the lid member toward the lower surface, and the distal end surface of the convex portion of the other lid member meshing with the concave portion is Each of the lid members is formed with a rising inclined surface projecting outward from the lower surface of the lid member toward the upper surface, and when both lid members rotate around the pivoting portion and the outer sides extend in the left-right direction. 2. The side groove cover according to claim 1, wherein the lower inclined surface of the concave portion and the upward inclined surface of the convex portion abut against each other before and after the upper surface of the flat portion becomes horizontal. .   A side groove block made of concrete, and a lid structure of the side groove block for closing the upper opening by installing the side groove lid according to claim 1 or 2 to a lid receiving portion provided in the upper opening thereof, When a load is applied to the side groove lid from the top, the pair of left and right lid members that make up the side groove lid rotate at the pivoting portion and the outer sides extend in the left-right direction, and at least the upper surfaces of both lid members are horizontal. The concrete side groove block closing structure is characterized in that the lower part of the outer side of each of the lid members is in close contact with the lid receiving part of the side groove block before and after that.   The lower part of the outer side of both the lid members is formed as an arc-shaped part, and the lid receiving part of the side groove block that is in close contact with this is formed of an arc-shaped recess having the same shape as the lower part of the outer side of the both lid members. The closed structure for a side groove block made of concrete according to claim 3.

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