JP5208849B2 - Drainage unit - Google Patents

Description

  The present invention relates to a steel drainage groove unit that is installed on a shoulder of a road including a road bridge, a median strip, or the like, and has a function of guarding a vehicle such as an automobile from coming off the road surface.

  This type of drainage groove unit is used to guard the vehicle from coming off the road surface or drain rainwater on the road surface, and has various structures. Examples shown in Patent Documents 1 to 3 below include a water channel portion and a cover portion that is detachably mounted on the water channel portion, and the cover portion guards the vehicle from coming off the road surface. Along with the inclined surface, it has a water collecting surface, and rainwater on the road surface is drained by flowing into the water channel portion from a drain hole formed over the inclined surface from the water collecting surface.

JP 2005-61020 A JP-A-2005-344389 Utility model registration No. 3129933

  The drainage unit described above prevents the cover part from jumping up or coming off even if the vehicle rides on the cover part or collides, and the vehicle rides on the cover part. In addition, it is desirable to prevent the backlash from occurring and to easily remove or attach the cover when it is necessary to remove the cover by cleaning the water channel.

  Various types of conventional drainage groove units having a mechanism for preventing the cover part from jumping up are known. However, conventional drainage groove units equipped with this kind of jumping prevention mechanism generally have a complicated structure for the splashing prevention mechanism. If the cover part is not easy to attach or remove, or if the vehicle gets off the road surface and rides on the cover part or collides, the cover part will jump up depending on how it hits, even if it does not jump up In the case of a device that generates a rattling sound and has a mechanism for locking the cover, if the user forgets to lock the cover, the cover may jump up and cause an accident.

  The present invention includes a bottom portion, a water channel portion including a front wall portion and a rear wall portion rising from both ends of the bottom portion, a drainage hole that is detachably attached to the water channel portion, closes the water channel portion, and communicates with the water channel portion. A steel drainage groove unit that is continuously installed on the shoulder of the road, the median strip, etc. Drainage that prevents the vehicle from jumping up even if the vehicle rides on the cover by simply attaching it to the waterway, making it less likely to rattle, and allowing the cover to be easily attached to or removed from the waterway An object is to provide a groove unit.

  The invention according to claim 1 includes a bottom part, a water channel part comprising a front wall part and a rear wall part rising from both ends of the bottom part, and a water channel part that is detachably attached to the water channel part to close the water channel part. It is a steel drainage groove unit that consists of a cover part with a drainage hole that communicates and an inclined surface that guards the vehicle from detaching from the road surface, and is continuously installed on the shoulder of the road, the median strip, etc. The water channel portion is provided with a receiving piece that protrudes from the front wall portion on the road surface side toward the rear wall portion at least at one end in the longitudinal direction, and protrudes toward the front wall portion from the rear wall portion. The cover portion is provided with a receiving portion in which a notched groove is formed, and the cover portion is formed with a leg portion at a front end on the road surface side except a portion corresponding to the receiving piece, and the length of the water channel portion from the leg portion. While forming a protrusion that extends in the direction and slopes downward toward the tip When the L-shaped engagement piece that can be fitted into the notch groove is protruded downward and the cover portion is placed on the receiving piece and the receiving portion and mounted on the water channel portion, The leg part is landed on the bottom part of the water channel part, the protrusion part is located below the receiving piece, and the base part of the protruding part is close to the receiving part to substantially restrict the upward movement of the protrusion part. In addition, at least a part of the engagement piece is located below the receiving portion.

  The invention according to claim 2 is the invention according to claim 1, wherein a guide portion that is inclined downward toward the engaging piece is formed on one side of the opposing sides of the side that forms the notched groove. When the cover portion is moved in the longitudinal direction of the water channel portion, the engaging piece engages with the guide portion, and the guide portion is preferably formed by punching the receiving portion, together with the notched concave groove. It is formed.

  According to the first aspect of the present invention, when the cover portion is placed and mounted on the receiving piece and the receiving portion, the leg portion is landed and supported on the bottom of the water channel portion, and the protrusion is received. The engaging piece extends below the receiving portion and is positioned below the receiving portion, thereby producing the following effects.

  By supporting the leg part by landing on the bottom part of the water channel part, at least in the front part on the road surface side, deformation when a vehicle such as an automobile rides on the cover part is less likely to occur, and the restoring force after deformation It is difficult to cause the jumping that occurs due to the fact that even if there is a jumping on the rear side, the engagement piece is engaged with the receiving part, the further jumping is restricted, and an accident due to the jumping can be prevented, When removing the cover part, when the cover part is pulled out in the longitudinal direction of the water channel part, the cover part end is lifted with the engaging part with the receiving piece as a fulcrum to a height that does not interfere with the adjacent cover part end. The gap between the base portion of the upper end of the protruding portion and the receiving piece is sufficient to allow the inclination due to the lifting of the end of the cover portion, and is slight, so that the upward movement of the protruding portion is substantially caused by the receiving piece. As a result, the cover part is lifted with the engagement part with the receiving piece as a fulcrum and the cover part is slightly tilted as described above. In the state where the engaging piece is shifted in the longitudinal direction of the water channel and the engaging piece is positioned in the notched groove (in this state, the protrusion is also disengaged from the receiving part), the engaging piece is lifted from the notched groove. Since the cover part is attached and removed through the reverse procedure, it can be easily attached and detached, and the cover part can be attached and detached as described above. This is performed by performing an operation of shifting in the longitudinal direction of the vehicle, and is not pulled out to the road surface side where the vehicle travels.

  According to the second aspect of the present invention, the cover part is lifted to a height that does not interfere with the adjacent cover part end, and pulled out as it is in an inclined state, whereby the engagement piece is guided by the guide part and can be pulled out from the notch groove. Thus, the removal can be performed in two steps, tilting and pulling. On the contrary, it is only necessary to push the cover portion with the protrusion facing the protrusion and engaging the engagement piece with the guide portion, and the engagement piece is guided by the guide portion and moves along with the depression. The protrusion reaches below the receiving part. When the guide part is removed, when the hand is released from the grasped cover end, the cover part end is lowered by its own weight, and the cover part is mounted on the water channel part.

Hereinafter, a drainage groove unit according to an embodiment of the present invention will be described with reference to the drawings.
1 is a plan view showing an embodiment of a drainage groove unit, FIG. 2 is a side view thereof, FIG. 3 is a cross-sectional view taken along line AA of FIG. 1, and FIG. 1 is made of steel and is composed of a water channel portion 2 and a cover portion 3. The water channel portion 2 has a bottom portion 2a and a front wall portion 2b on the road surface side that rises up opposite to both ends of the bottom portion 2a, and A rear wall 2c on the rail side formed higher than the front wall 2b, and fixed to and attached to the front wall 2b and the bottom 2a at both ends, protrudes rearward from the front wall 2b, and covers 3 Supporting the cover part 3 by projecting forward from the upper end of the rear wall part 2c, and the receiving metal part 4 made of an inverted L-shaped angle material comprising a horizontal part 4a as a receiving piece for supporting the vertical part 4b, It has the receiving part 6 which formed the notch groove 5 in the both sides.

  The cover portion 3 is composed of a flat water collecting surface 3a and mounting surface 3b, and an inclined surface 3c connecting both surfaces 3a and 3b. As shown in FIG. 1, a drain hole 7 is formed across the water collecting surface 3a and the inclined surface 3c. ing. The inclined surface 3c performs a guide function for returning the tire to the road surface even when the vehicle tire is off the road surface and rides on the inclined surface 3c.

  As shown in FIG. 5, the cover portion 3 is also formed with a leg portion 3d facing downward at the front end except for both sides, and at one end of the leg portion 3d toward the longitudinal direction of the water channel portion 2 A projecting portion 3e that protrudes in the direction toward the tip and inclines downward toward the tip is integrally formed, and an L-shaped engagement piece 8 as shown in FIG. Correspondingly formed on both sides.

  When the cover portion 3 is placed on the horizontal portion 4 a and the receiving portion 6 of the metal fitting 4 and attached to the water channel portion 2, the lower end of the leg portion 3 d is connected to the water channel portion 2 as shown in FIGS. 2 and 3. The bottom part 2a is landed to support the front end of the cover part, and the protrusion 3e at one end of the leg part 3d protrudes below the horizontal part 4a of the bracket 4 so that the root of the protrusion 3e is close to the horizontal part 4a. .

The other end of the drooping portion 3d is spaced apart from the metal fitting 4 so as to allow the cover portion 3 to be shifted by a certain amount in the longitudinal direction of the water channel portion 2.
Each engagement piece 8 at the rear part of the cover part has a size that can be engaged with the notch groove 5, and as shown in the drawing, a part or all of it is located under the receiving part 6 so that the vehicle is detached from the road surface and the cover part. Even if the cover part jumps up and the rear part of the cover part jumps up, a part or all of the engagement piece 8 is notched and engages with the receiving part 6 on the side edge of the concave groove 5 to restrict the jumping of a certain amount or more. Therefore, accidents caused by jumping up can be prevented.

  When removing the cover portion 3, the other end of the cover portion 3 is lifted with the engagement point a (FIG. 6) of the end of the cover portion engaged with the horizontal portion 4a of the metal fitting 4 being engaged with the horizontal portion 4a. 3 is slightly tilted (FIG. 7). The inclination of the cover part 3 is a slight amount that does not interfere with the adjacent cover part 3 even if the cover part 3 is shifted in the longitudinal direction of the water channel part 2.

  As described above, the base of the protrusion 3e is close to the horizontal portion 4a of the metal fitting 4 and has a slight gap, but this gap is a small amount that allows the inclination of the cover 3 described above. Therefore, the upward movement of the protrusion 3e is substantially restricted so that no rattling or rattling noise is generated.

  After lifting the end of the cover part 3 and tilting the cover part 3 as shown in FIG. 7, the cover part 3 is shifted to the adjacent cover part side indicated by the arrow in FIG. When the cover portion 3 is shifted until the left end of the leg in the drawing contacts the horizontal portion 4a of the metal fitting 4, the protrusion 3e is retracted to a position disengaged from the metal fitting 4 as shown in FIG. The whole is located under the notch groove. When the cover 3 is lifted in the state of FIG. 8, the protrusion 3 e does not hit the receiving bracket 4, and the engagement piece 8 comes out of the notch groove 5.

According to the drainage groove unit of the present embodiment, removal of the cover part is performed by three operations of lifting one end of the cover part, moving the water channel part in the longitudinal direction, and lifting the entire cover part.
The attachment of the cover part is similarly performed by three operations through the reverse procedure.

  In the drainage groove unit 11 shown in FIG. 9, of the three opposite sides forming the notch groove 5 formed in the receiving part 6, the one side from which the cover part 3 is drawn is directed to the engagement piece 8. The guide portion 12 inclined downward is preferably formed by punching.

In the drainage groove unit of this embodiment, the cover part 3 is removed by lifting one end of the cover part as shown in FIG. 7 and pulling the cover part 3 in the longitudinal direction of the water channel part 2 in an inclined state. As the drawer is pulled out, the engaging piece 8 of the cover portion 3 engages with the guide portion 12 and is further pulled out as it is, preferably when pulled out obliquely upward, so that the engaging piece 8 is guided by the guide portion 12 to form a notch groove. Accordingly, the cover portion 3 can be removed by two operations of lifting one end of the cover portion 3 and moving the water channel portion in the longitudinal direction.
Attachment of the cover part 3 can be performed by two operations according to a procedure reverse to the above.

  According to the drainage groove unit of each of the embodiments described above, the cover portion 3 that is placed and attached to the receiving metal fitting 4 and the receiving portion 6 is supported by the leg portion 3d landing on the bottom portion 2a of the water channel portion 2 at the front end. Therefore, even if the vehicle gets off the road surface and rides on the cover 3, it is difficult to cause deformation on the front side of the cover, and it is difficult to cause a jump due to a restoring force when the vehicle is deformed. 4, the engaging piece 8 is engaged with the receiving portion 6 to prevent the jumping up, so that an accident caused by the jumping up can be prevented and the base of the protruding portion is close to the horizontal portion 4a of the receiving bracket 4. It is difficult to generate sticking and rattling noise, the cover part 3 can be easily attached and detached by three or two actions, and the cover part 3 is drawn out in the longitudinal direction of the water channel part 2 and is not drawn out to the road surface side. Less likely interfere with the vehicle traveling on a road surface, an effect such that it is safe.

  In the drainage groove units 1 and 11 of each of the embodiments described above, a pair of notched grooves 5 are formed in the receiving part 6 at the rear part of the water channel part 2, and an engagement piece 8 is formed at the rear part of the cover part 3. The notch groove 5 and the engagement piece 8 may be formed one by one, or may be formed at three or more locations. Further, the metal fittings 4 are attached to both ends of the water channel portion 2, but the metal fittings 4 on the side where the protrusions 3e are not engaged can be omitted.

The top view of a drain ditch unit. The same side view. AA sectional view taken on the line AA of FIG. The BB sectional view taken on the line. The front view of a cover part. The expanded sectional view which shows a part of drainage groove unit in which the cover part inclined about a as a fulcrum. Sectional drawing which shows the state which lifted the end of the cover part. The figure which shows the state which shifted the cover part to the longitudinal direction of the water channel part. Sectional drawing which shows the deformation | transformation aspect of a drain ditch unit.

1, 11 ·· Drainage channel unit 2 · Channel portion 2a · · Bottom portion 2b · · Front wall portion 2c · · Rear wall portion 3 · · Cover portion 3c · · Inclined surface 3d · · Leg portion 3e · · projection 4 · · Receptacle 5 · · Notched groove 6 · · Receiving portion 7 · · Drainage hole 8 · · Engagement piece

Claims (2)

  A bottom portion, a water channel portion composed of a front wall portion and a rear wall portion rising from both ends of the bottom portion, a drainage hole that is detachably attached to the water channel portion, closes the water channel portion, and leads to the water channel portion; It is a steel drainage groove unit comprising a cover portion provided with an inclined surface that guards so as not to come off from the road, and is continuously installed on the shoulder of the road, the central separator, etc. In addition, at least one end in the longitudinal direction is provided with a receiving piece that protrudes from the front wall portion on the road surface side toward the rear wall portion, and the rear wall portion protrudes toward the front wall portion, and a notched groove is formed at an appropriate position. A receiving portion is provided, and a leg portion is formed on the cover portion at a front end on the road surface side except a portion corresponding to the receiving piece, and extends from the leg portion in the longitudinal direction of the water channel portion toward the tip. A protrusion that slopes downward, while the rear part fits into the notch groove. An L-shaped engagement piece that protrudes downward is provided, and when the cover portion is placed on the receiving piece and the receiving portion and mounted on the water channel portion, the leg portion is landed on the bottom of the water channel portion. And the protrusion is positioned below the receiving piece, and the base part of the protruding part is close to the receiving piece to substantially restrict the upward movement of the protruding part, and at least a part of the engaging piece. Drainage groove unit characterized in that is located under the receiving part.   Among the opposing sides of the sides forming the cutout concave groove, on one side, a guide portion that is inclined downward toward the engagement piece is formed, and when the cover portion is moved in the longitudinal direction of the water channel portion, The drainage groove unit according to claim 1, wherein the engagement piece engages with a guide portion.