JP6577912B2 - Drainage unit - Google Patents

Description

  The present invention relates to a drainage groove unit, and more particularly to a drainage groove unit installed along a road extending direction on a shoulder of a road including a road bridge or a side of a median strip.

  There is known a drainage ditch installed on the shoulder of the road including the road bridge and on the side of the median strip to serve as a curb. This drainage groove is manufactured as a unit using steel and is installed by connecting a number of drainage groove units in series at construction sites such as roads.

  The drainage groove unit includes, as a basic structure, a bottom plate, a water channel portion having a front plate and a rear plate rising from the front and rear ends along the longitudinal direction of the bottom plate, and a cover portion that covers the water channel portion. The longitudinal direction is set along the road extension direction.

  The drainage groove unit also has a curb function as described above. However, if the automobile accidentally rides on or collides with the drainage groove unit, the cover part may be detached from the waterway part. For this reason, generally, the drainage groove unit is provided with a lock mechanism for preventing the cover portion from being detached.

  For example, Patent Document 1 states that “each side wall of the water channel portion is provided with a protruding portion that protrudes inwardly along the longitudinal direction, and each protruding portion has a recess at one or more locations. On the other hand, the cover portion is provided with a regulating member that can be fitted into the recess, and has a cross-sectionally inverted U shape or an inverted L shape that fits into the protruding portion on both sides corresponding to the protruding portion. When the cover part is attached to the normal position of the water channel part, each regulating member is inserted into the projecting part to prevent it from coming off, and when the cover part is slid by a certain amount in the longitudinal direction, each regulating member is The drainage groove unit provided with the lock mechanism is described. The drainage groove unit can be pulled out at the fitting position in the recess.

  However, in the drainage groove unit described in Patent Document 1, the cover part must be slid in the longitudinal direction by a certain amount in order to lock the cover part by the lock mechanism or to release the lock. The cover part is heavy. Therefore, when attaching / removing the cover part to / from the water channel part, the cover part must be locked and unlocked at the same time. Become.

JP 2009-84957 A

The present invention has been made based on the technical background as described above, and achieves the following object.
SUMMARY OF THE INVENTION An object of the present invention is to provide a drainage groove unit that can easily lock / unlock a cover portion to a water channel portion, and therefore can be easily attached / detached to / from the water channel portion.

The present invention employs the following means in order to achieve the above object.
That is, the present invention is a water channel portion having a bottom plate and a front plate and a back plate rising from the front and rear ends along the longitudinal direction of the bottom plate,
A drainage groove unit that is installed so that the longitudinal direction is along the road extending direction,
A locking member that is provided on an inner surface of both end portions in the longitudinal direction of the cover portion so as to be suspended along the longitudinal direction, and that is rotatably provided in the vertical direction, and has an engaging portion;
A stopper which is provided in a horizontal direction on the back plate of the water channel portion corresponding to the lock member, and prevents the cover portion from being detached from the water channel portion when the engagement portion of the lock member is engaged. With members ,
The hanging plate is provided with a loading plate in the horizontal direction,
The cover portion is in the drainage groove unit that is supported by the stopper member via the packing plate described above .

  Further, when the locking member is rotated by applying an upward force against its own weight, the locking member is disengaged from the stopper member, and when the upward force is released, the locking member is rotated by its own weight. The structure which engages with a stopper member can be taken.

Further, the lock member is composed of a plate provided with an engagement recess on the inner side in the longitudinal direction of the cover part and a knob part on the outer side in the longitudinal direction of the cover part,
The stopper member comprises a rod having a protruding portion that protrudes in the horizontal direction from the back plate inward of the water channel portion,
A configuration in which the locking member engages with the stopper member can be adopted by the protrusion entering the engaging recess.

  According to this invention, the cover part can be easily locked and unlocked from the water channel part, and therefore the cover part can be easily attached to and detached from the water channel part.

It is a top view which shows embodiment of this invention. It is a front view of the embodiment. It is a side view which shows an installation state. It is a top view which expands and shows a locking mechanism part. It is sectional drawing by the AA arrow of FIG. It is a side view by the BB arrow of FIG. It is a front view which expands and shows a locking member. It is a side view which shows another embodiment in an installation state.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing an embodiment of a drainage groove unit according to the present invention, FIG. 2 is a front view of the embodiment, and FIG. 3 is a side view showing an installation state. The drainage groove unit 10 includes a water channel part 11 and a cover part 12. The water channel part 11 and the cover part 12 are both made of steel made by processing a steel material. The water channel portion 11 includes a bottom plate 11a, and a front plate 11b and a back plate 11c that rise from front and rear ends along the longitudinal direction of the bottom plate 11a.

  As shown in FIG. 3, the drainage groove unit 10 is installed, for example, on the side of a road shoulder (pavement) 50 on a road bridge or on the side of a central separation zone so that the longitudinal direction is along the road extension direction. Since the surface of the ground cover 51, which is a concrete structure formed on the back side of the drainage groove unit 10, has a higher level than the surface of the pavement 50, the back plate 11c corresponds to the front plate. The height is higher than 11b.

  The cover 12 includes a top plate 12a, a front plate 12b and a back plate 12c that hang from the front and rear ends along the longitudinal direction of the top plate 12a, a horizontal plate 12d that is bent at right angles from the lower end of the front plate 12b toward the pavement 50, and a horizontal plate. A positioning plate 12e hanging from the tip of the plate 12d. When the cover unit 12 is attached to the water channel unit 11, the back plate 12c and the positioning plate 12e of the cover unit 12 enter the inside of the water channel unit 11, and overlap with the back plate 11c and the front plate 11b of the water channel unit 11, respectively. .

  In the state where the height adjusting mortar 52 is laid on the floor slab 53 below the water channel part 11 and the drainage groove unit 10 is installed between the pavement 50 and the ground cover part 51, the surface of the pavement 50 and the horizontal plate 12d. And the surface of the top plate 12a and the surface of the ground cover 51 have substantially the same height level.

  A plurality (two in the illustrated example) of introduction holes 13 for rainwater or the like are provided at the lower end portion of the front plate 12b of the cover portion 12 at intervals in the longitudinal direction. Rainwater that falls on the road (pavement) 50 flows into the water channel portion 11 through the horizontal portion 12 d of the cover portion 12 and the introduction hole 13.

  A reinforcing plate 14 having an L-shaped cross section is provided on the front surface side of the front plate 11 b in the water channel portion 11. The reinforcing plate 14 is fixed to the front plate 11b by pins 15 protruding inward of the water channel portion 11, and covers the front portions of the front plate 11b and the bottom plate 11a. A plurality of pins 15 (two in the illustrated example) are provided at intervals in the longitudinal direction, and these pins 15 serve as positioning members when the cover portion 12 is attached to the water channel portion 11 as will be described later. A lateral force toward the water channel portion 11 is applied at the time of rolling the pavement 50, and the reinforcing plate 14 is for reinforcing the water channel portion 11 against this force.

  A plurality of notches 16 are formed in the positioning plate 12 e of the cover portion 12 from the lower end corresponding to the pins 15. When the cover portion 12 is attached to the water channel portion 11, the pin 15 is inserted into the notch 16 and the cover portion 12 is positioned.

  A plurality of (three in the illustrated example) notches 17 are formed in the reinforcing plate 14 from the upper end with a space in the longitudinal direction. On the other hand, the front plate 11b of the water channel part 11 and the positioning plate 12e of the cover part 12 are formed with introduction holes 18 for rainwater or the like corresponding to the notches 17. These notches 17 and introduction holes 18 function when the pavement 50 is drainable (water permeable), and rainwater or the like that has entered the pavement 50 passes through the notches 17 and the introduction holes 18 to form a water channel. 11 flows in. Therefore, when the pavement 50 is non-drainage, it is not necessary to provide the notch 17 and the introduction hole 18.

  A plurality of (three in the illustrated example) rib plates 19 are provided on the inner side of the cover portion 12 at intervals in the longitudinal direction. These rib plates 19 are used to reinforce the cover portion 12, and three sides are fixed to the top plate 12a, the front plate 12b, and the back plate 12c.

  As shown in an enlarged view of the lock mechanism in FIGS. 4 to 6, a drooping plate 20 that hangs down along the longitudinal direction is provided on the inner surface of the top plate 12 a at both longitudinal ends of the cover portion 12. A loading plate 21 is provided at the lower end of the hanging plate 20 in the horizontal direction. An upper end portion of a locking member 22 made of a plate is supported on the hanging plate 20 via a pin 23, and the locking member 22 is rotatable in the vertical direction. A notch groove 24 is formed in the loading plate 21, and the lock member 22 enters the notch groove 24 when rotating, so that the rotation of the lock member 22 is not hindered.

  Corresponding to the lock member 22, a stopper member 25 is provided on the inner surface of the back surface portion 11 c of the water channel portion 11. The stopper member 25 is composed of an L-shaped rod having a protruding portion 25a protruding in the horizontal direction from the back plate 11c and a bent portion 25b bent in the horizontal direction from the tip of the protruding portion 25a.

  When the cover portion 12 is attached to the water channel portion 11, the loading plate 21 is supported across the protruding portion 25 a and the bent portion 25 b of the stopper member 25. That is, the load of the cover portion 12 is transmitted to the water channel portion 11 by the stopper member 25 and the positioning pin 15 described above. In a state where the cover portion 12 is attached to the water channel portion 11, the protruding portion 25 a of the stopper member 25 is disposed so as to cross the intermediate portion of the cutout groove 24 of the loading plate 20.

  As shown in an enlarged view in FIG. 7, the lock member 22 is provided with an engagement recess 22 a on the inner side in the longitudinal direction of the cover portion 12 and a knob portion 22 b on the outer side in the longitudinal direction of the cover portion 12. Yes. As shown in FIG. 4, the knob portion 22 b is arranged so that the tip portion protrudes outward from the cover portion 12.

  When only the own weight acts on the lock member 22, as shown by the solid line position in FIG. 7, the protruding portion 25 a of the stopper member 25 enters the engaging recess 22 a, and the lock member 22 moves to the stopper member 25. In an engaged state. Then, by applying an upward force to the lock member 22 by, for example, applying a finger to the lower portion of the knob portion 22a and rotating the lock member 22 as shown by a chain line position in FIG. 7, the engagement is released. When the finger is released from the portion 22b and the upward force is released, the lock member 22 rotates in the direction opposite to the above due to its own weight, and the protruding portion 25a enters the engaging recess 22a to be in an engaged state.

  In order to ensure the engagement / disengagement between the lock member 22 and the stopper member 25 as described above, the vertical surface passing through the center of the pin 23 that is the rotation center of the lock member 22 and the center of the protrusion 25a. An offset S having a predetermined size is provided between the vertical plane passing through the vertical axis.

  On the outer surface of the back plate 11c of the water channel portion 11, a water collecting plate 26 is provided at the intermediate portion in the height direction. The water collecting plate 26 has an inclined portion 26a that is inclined and fixed upward on the back plate 11c, and a horizontal portion 26b that continues to the tip of the inclined portion 26a. The water collecting plate 26 is substantially in the longitudinal direction of the back plate 11c. It is provided horizontally throughout.

  The back plate 11c of the water channel part 11 is provided with an introduction hole 27 for rainwater or the like. The introduction hole 27 is provided immediately above the inclined portion 26 a on one end side of the water collecting plate 26. The horizontal portion 26b is for improving the fixing of the ground covering portion 51 to the concrete, and the horizontal portion 26b is provided with a plurality of holes 28 for inserting L-shaped reinforcing bars (not shown) for fixing. Yes.

  In the case of the conventional drainage groove unit, rainwater or the like enters from between the ground cover 51 and the back plate 11 c of the water channel 11, and this water flows into the height adjustment mortar unit 52 below the water channel 11. The mortar used in the height adjusting mortar part 52 is generally a dry mortar. Therefore, when water flows into the height adjustment mortar part 52, the mortar may flow and the level of the water channel part 11 may be distorted.

  In this embodiment, by providing the water collecting plate 26 as described above, water that has entered between the ground cover 51 and the back plate 11c of the water channel portion 11 is received by the water collecting plate 26, and the introduction hole 27 is formed. It flows into the waterway part 11 through. Thereby, it is possible to prevent water from flowing into the height adjusting mortar portion 52. In addition, since the drainage groove unit 1 is provided with a gradient in order to flow the water that has flowed into the water channel portion 11 in one direction, it is only necessary to provide one water guide hole 27 in the downstream portion.

  In addition, the member shown with the code | symbol 30 in FIG. 1, FIG. 2 is a member for adjusting the length of a connection part, when connecting the adjacent drainage groove units 1. FIG. 1 and 3 is a fixing plate for fixing the water channel portion 11 to the ground covering portion 51, and a hole 33 for inserting an L-shaped reinforcing bar (not shown) for fixing. Is provided.

  In the drainage groove unit 1, when the cover portion 12 is attached to the water channel portion 11, one of the two workers is one of the longitudinal ends of the cover portion 12, and the other worker is the other of the cover portion 12. Lift the longitudinal ends of each by hand. Then, a finger is applied to the lower portion of the knob portion 22b to rotate the lock member 22 upward, and in this state, the positioning pin 15 of the water channel portion 11 is fitted into the notch 16 of the positioning plate 12e of the cover portion 12 for positioning. At the same time, the loading plate 21 is placed on the stopper member 25. At the same time or thereafter, the finger is released from the lock member 22 to release the upward force. As a result, the lock member 22 rotates downward due to its own weight, the protrusion 25 a of the stopper member 25 enters the engagement recess 22 a, and the lock member 22 engages with the stopper member 25. The engagement between the lock member 22 and the stopper member 25 prevents the cover portion 12 from being detached from the water channel portion 11.

  When removing the cover portion 12 from the water channel portion 11, the lock member 22 is turned upward to release the engagement between the lock member 22 and the stopper member 25, and in this state, the cover portion 12 is lifted to raise the water channel portion 12. Remove from.

  FIG. 8 is a side view showing another embodiment. In this embodiment, the cover part 32 includes an inclined plate 32a, a vertical plate 32b hanging from the front end along the longitudinal direction of the inclined plate 32a, and a horizontal plate 32c bent at right angles from the lower end of the vertical plate 32b to the pavement 50 side. And a positioning plate 32d depending from the tip of the horizontal plate 32c. A hanging plate 20 for rotatably supporting the lock member 22 is provided on the inner surface of the inclined plate 32a. Moreover, the introduction holes 13 for rainwater and the like from the pavement 50 are provided in the vertical plate 32b.

  Although the structure of the water channel part 11 is the same as that of the said embodiment, in this embodiment, the wall height column 55 is shown as a concrete structure installed in the back side of the backplate 11c. In this embodiment, the water collecting plate 26 is formed only by the inclined portion, and the fixing plate 31 is provided at two height positions spaced in the height direction of the back plate 11c. Other configurations are the same as those in the above embodiment, and the same members are denoted by the same reference numerals.

  As described above, according to the drainage groove unit 10 shown as the embodiment of the present invention, the cover portion 12 can be easily locked / unlocked to the water channel portion 11, and accordingly, to the water channel portion of the cover portion 12. Can be easily installed and removed. Further, since the lock member 22 rotates by its own weight and engages with the stopper member 25, the cover portion 12 can be simply released by releasing the upward force applied to the lock member 22 when the cover portion 12 is attached to the water channel portion 11. Can be locked at the same time.

  Further, since the loading plate 21 is provided on the hanging plate 20 to which the lock member 22 is rotatably attached and is supported by the stopper member 25, the stopper member 25 has not only a function of locking the cover portion 12 to the water channel portion 11, but also a cover. It will have the function to transmit the load of the part 12 to the water channel part 11, and it can be set as a compact and useless structure.

  The above embodiment is merely an example, and the present invention can take various aspects. For example, in the above embodiment, the stopper member is configured by an L-shaped rod. However, the present invention is not limited to this, and a straight rod without a bent portion, a U-shaped rod, or a plate-shaped member instead of a rod (in this case) An engagement hole for engaging the lock member may be provided).

10: Drainage unit 11: Water channel 11a: Bottom plate 11b: Front plate 11c: Back plate 12: Cover 12a: Top plate 12b: Front plate 12c: Back plate 12d: Horizontal plate 12e: Positioning plate 15: Pin 16: Cut Notch 20: Hanging plate 21: Loading plate 22: Lock member 23: Pin 25: Stopper member 50: Pavement (road)
51: Ground cover

Claims (3)

A water channel portion having a bottom plate, and a front plate and a back plate rising from front and rear ends along the longitudinal direction of the bottom plate;
A drainage groove unit that is installed so that the longitudinal direction is along the road extending direction,
A locking member that is provided on an inner surface of both end portions in the longitudinal direction of the cover portion so as to be suspended along the longitudinal direction, and that is rotatably provided in the vertical direction, and has an engaging portion;
A stopper which is provided in a horizontal direction on the back plate of the water channel portion corresponding to the lock member, and prevents the cover portion from being detached from the water channel portion when the engagement portion of the lock member is engaged. With members ,
The hanging plate is provided with a loading plate in the horizontal direction,
The drainage groove unit, wherein the cover part is supported by the stopper member via the packing plate .   When the locking member is rotated by applying an upward force against its own weight, the locking member is disengaged from the stopper member, and when the upward force is released, the locking member is rotated by its own weight. The drainage groove unit according to claim 1, wherein the drainage groove unit is engaged with the drainage groove unit. The lock member includes a plate provided with an engagement recess on the inner side in the longitudinal direction of the cover part and a knob part on the outer side in the longitudinal direction of the cover part,
The stopper member comprises a rod having a protruding portion that protrudes in the horizontal direction from the back plate inward of the water channel portion,
The drainage groove unit according to claim 2, wherein the locking member is engaged with the stopper member when the protruding portion enters the engaging recess.

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