Center pillar for water stop plate

Abstract

To easily convey a center pillar for a water stop plate.SOLUTION: A center pillar for a water stop plate erected near the center of an opening part and supporting water stop plates 1, 2 on both sides, comprises: a center pillar body 10 which supports the left and right water stop plates 1, 2 in an uprising state of standing up on a lower side immovable face F; and a rolling member which is provided at the center pillar body 10 and can roll on the lower side immovable face F.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a center pillar for a waterstop that supports left and right waterstops. [Background technology]

[0002] When rising water caused by a typhoon or torrential rain enters the opening of a building or underground passage, it may cause serious damage due to flooding. In preparation for such an event, a water stop device is known in the art that permanently installs supports (spacer members) to support a water stop plate on both sides of the opening of a building, underground passage, etc., and when rising water occurs, connects the water stop plate to the permanent supports to block the opening and prevent water from entering. In such a waterstop device, if the width of the opening is relatively large, a center pillar for the waterstop plate is erected between two adjacent waterstop plates on the left and right, and the two waterstop plates are connected and supported by this center pillar (see Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2018-184754 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, according to the above-mentioned conventional technology, when installing or removing the waterstop, it is necessary to transport a relatively heavy center post for the waterstop. [Means for solving the problem]

[0005] In view of the above problems, one aspect of the present invention has the following configuration. The present invention relates to a center post for a waterstop plate, which is erected near the center of an opening and supports both sides of the waterstop plate, and is characterized in that it comprises a center post body that supports the left and right waterstop plates in an upright position standing on a lower fixed surface, and a rolling member that is attached to the center post body and can roll on the lower fixed surface. Effect of the Invention

[0006] Since the present invention is configured as described above, the center post for the waterstop can be easily transported. [Brief description of the drawings]

[0007] [Figure 1] FIG. 2 is a perspective view showing an example of a center post for a waterstop according to the present invention. [Diagram 2] FIG. 13 is a perspective view of the main part of the center pillar for the waterstop plate as viewed obliquely from below. [Diagram 3] This is a view of the center pillar for the waterstop plate from the upstream side. [Figure 4] FIG. 4 is a plan view of the center post for the waterstop plate, with FIG. 3 being a front view. [Diagram 5] FIG. 2 is a side view of the center post for the waterstop plate, with the inclined state shown by a two-dot chain line. [Figure 6] 10A to 10C are side views showing the main part of the lower portion of the center post for the waterstop plate, and sequentially show the process of tilting it from an upright position. [Figure 7] 13 is a side view of the center post for the waterstop plate, showing a tilted state in which both the first rolling member and the second rolling member are in contact with the lower fixed surface. FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0008] Next, an embodiment of the present invention will be described in detail with reference to the drawings. In the following description, the terms "upstream side" and "downstream side" refer to the upstream side and downstream side in the assumed flow direction. The "upright state" means a state in which the waterstop center pillar A is raised above the lower fixed surface F with the first rolling member 40 and the second rolling member 50 aligned in the vertical direction (see the solid line portion in Figure 5). Moreover, the term "inclined state" refers to a state in which the waterstop center post A is inclined with both the first rolling member 40 and the second rolling member 50 in contact with the lower stationary surface F (see FIG. 7).

[0009] The center pillar A for the waterstop is in an upright position (see Figure 1) rising above the lower immovable surface F at the center of the structural opening X of a building, etc., and supports waterstops 1, 2 (see Figure 3) on both sides. When the waterstop center pillar A is to be stored, the left and right waterstops 1, 2 are removed and the pillar is transported in an inclined state along the lower immovable surface F (see Figs. 5 to 7).

[0010] This center column A for waterstop plates is integrally equipped with a center column main body 10 that supports the left and right waterstop plates 1, 2 in an upright state, a plurality of supports 20 that contact the lower immovable surface F so as to support the center column main body 10 at its lower end in the upright state, a watertight material 30 that maintains a watertight seal between the lower end of the center column main body 10 in the upright state and the lower immovable surface F, a first rolling member 40 and a second rolling member 50 that support the center column main body 10 and can roll, and a first hand-held portion 60 and a second hand-held portion 70 located on the upper side of the center column main body 10 in the upright state.

[0011] The left waterstop 1 and the right waterstop 2, separated by the waterstop center pillar A, are each stacked in multiples (three in FIG. 3) in the vertical direction. One end of each waterstop 1 (or 2) in the width direction is watertightly pressed against the upstream side of the waterstop center post A, and the other end is watertightly engaged with the supports (not shown) on both sides of the body opening X.

[0012] A lower engaging portion a and an upper engaging portion b for engaging with a waterstop center post A are provided at the one end of each waterstop 1 at a distance in the vertical direction (see FIG. 3). Each of the lower engagement portion a and the upper engagement portion b is composed of a shaft-shaped member protruding from the widthwise end of the waterstop 1 (or 2) and a rotatable roller attached to the tip of this shaft-shaped member.

[0013] The center column body 10 is integrally provided with a column portion 11 continuing in the vertical direction, an upper plate portion 12 fixed to the upper end of the column portion 11, a lower plate portion 13 fixed to the lower end of the column portion 11, and a waterstop plate engaged portion 14 fixed in the vertical direction to the upstream side of the column portion 11 and supporting the left and right waterstop plates 1, 2.

[0014] The pillar portion 11 is made of a hard metal material and has a hollow rectangular pillar shape that is continuous in the vertical direction.

[0015] The upper plate portion 12 is a rectangular plate-shaped metal member that covers the upper end opening of the column portion 11, and is fixed by, for example, welding. The upper plate portion 12 is provided with a drain hole 12a for draining water inside the column portion 11 when the waterstop center column A is in a tilted state. The drain hole 12a is located on the upper plate portion 12 near the second rolling member 50 (lower according to FIG. 7). According to this drainage hole 12a, a drainage path 11a is formed within the center column body 10 to drain internal water to the outside when both the first rolling member 40 and the second rolling member 50 are in a tilted state in contact with the lower fixed surface F (see Figure 7).

[0016] The lower plate portion 13 is a metal plate-like member that closes the lower end opening of the column portion 11 in the upright state, and is formed to be larger than the cross-sectional shape of the column portion 11. In more detail, the lower plate portion 13 is formed in an approximately T-shape when viewed from above, having left and right lateral protrusions 13a, 13a protruding in the width direction of the waterstop center post A, and a downstream protrusion 13b protruding downstream (see Figure 2).

[0017] In addition, the waterstop engaged portions 14 are provided in three sets on each of one half side and the other half side in the width direction on the upstream side of the pillar portion 11, lined up in the vertical direction. According to the illustrated example, three waterstop plates 1 located on the left side as viewed from the upstream side are fastened to the three waterstop plate engaged portions 14 on one half side (see FIG. 3). Similarly, the three waterstop plates 1 located on the right side as viewed from the upstream side are fastened to the three sets of waterstop plate engaged portions 14 on the other half side, respectively.

[0018] Each waterstop engaged portion 14 is composed of a lower engaged portion 14a to which the lower engaging portion a of the waterstop 1 (or 2) engages, and an upper engaged portion 14b to which the upper engaging portion b of the waterstop 1 (or 2) engages.

[0019] The lower engaged portion 14a protrudes upstream from the column portion 11 and is formed in a roughly horizontal L-shape in side view with its tip bent upward, and engages with the lower engaging portion a approaching from diagonally above the upstream side to prevent the lower engaging portion a from being easily disengaged. The upper engaged portion 14b is formed in a generally horizontally concave shape in a side view, with the upstream side open.

[0020] Each water stop 1 (or 2) is pressed downward by engaging the lower engaging portion a with the lower engaged portion 14a and then engaging the upper engaging portion b with the upper engaged portion 14b, and is pressed against the lower fixed surface F or the lower water stop 1 (or 2) via a watertight material not shown.

[0021] The lower plate portion 13 of the center pillar main body 10 having the above-mentioned configuration is provided with three supports 20 so as to correspond to the lateral protruding pieces 13a, 13a and the downstream side protruding piece 13b, respectively (see Figs. 1 and 2).

[0022] Each support 20 integrally has a threaded shaft portion 21 (see Figure 2) that is screwed into the lower plate portion 13 from below via a weld nut or the like, and a disk-shaped abutment portion 22 that is fixed to the lower end side of the threaded shaft portion 21 and contacts a fixed surface. According to this support 20, the vertical height of the abutment portion 22 can be changed by adjusting the amount of screwing through a rotating operation. Furthermore, by appropriately adjusting the height of the three supports 20, the amount of compression of the watertight material 30 can be properly ensured, and the center pillar A for the waterstop can be placed on the lower fixed surface F without any rattling and can be erected approximately vertically.

[0023] In addition, the watertight material 30 is provided on the underside of the lower plate portion 13 so as to be pressed against the lower immovable surface F when the waterstop center pillar A is in the upright state. This waterproof material 30 is formed from an elastic material such as rubber or elastomer resin in a long shape extending across the width of the center pillar A for the waterstop plate, and according to the illustrated example, is located on the upstream side of the underside of the lower plate portion 13, between the supports 20, 20 on both sides in the width direction. In the drawing, reference numeral 31 denotes a spacer member interposed between the watertight material 30 and the lower plate portion 13. It is also possible to omit this spacer member 31 and directly attach the watertight material 30 to the lower plate portion 13.

[0024] The first rolling member 40 is rotatably fixed to the lower end side of the column portion 11 via a bracket 41 . The first rolling member 40 is a roller-shaped member that can rotate with the width direction of the waterstop center post A as its axial direction, and is provided on one end side and the other end side of the center post body 10 in the width direction. The axial center portion of each of the first rolling members 40 is located downstream of the center column body 10 and downstream of the multiple supports 20. When the center column body 10 is in the upright position, a gap s is maintained between this first rolling member 40 and the lower stationary surface F (see Figure 6(a)), and when the center column body 10 is tilted downstream from the upright position, the first rolling member 40 comes into rolling contact with the lower stationary surface F (see Figures 6(b) and 6(c)).

[0025] That is, in the upright state, the first rolling member 40 and the lower stationary surface F are not in contact with each other, and the plurality of watertight materials 30 are in contact with the lower stationary surface F, and the watertight materials 30 elastically contract and are pressed against the lower stationary surface F. This makes it possible to prevent the entire waterstop center pillar A from shifting downstream due to water pressure, and to prevent water leakage (passage of water from the upstream side to the downstream side) from occurring below the waterstop center pillar A.

[0026] In addition, in the inclined state described above, the plurality of watertight members 30 and the watertight member 30 are separated from the lower stationary surface F, so that the first rolling member 40 can roll on the lower stationary surface F.

[0027] The bracket 41 supporting each first rolling member 40 is a triangular plate-shaped hard metal member having one side received on the upper surface of the lower plate portion 13 and the other side connected to the downstream side of the column portion 11. The bracket 41 supports the shaft portion of the first rolling member 40 by a portion protruding downstream. As other examples, it is also possible to adopt an embodiment in which the first rolling member 40 is supported on the lower plate portion 13, or an embodiment in which the first rolling member 40 is directly supported on the lower end portion of the column portion 11, etc.

[0028] The second rolling member 50 is a single roller-shaped member, and is formed to have a smaller diameter than the first rolling member 40 . This second rolling member 50 is supported by the center column body 10 via a bracket 51 so that when the center column body 10 is in an upright state, it rotates above the first rolling member 40 and protrudes downstream (see Figures 1 and 5). This second rolling member 50 comes into contact with the lower stationary surface F and becomes rollable when the center column body 10 tilts from the upright state and the first rolling member 40 comes into contact with the lower stationary surface F and then tilts further (see Figures 5 to 7).

[0029] The bracket 51 (see FIG. 5) is formed in a concave shape to support one end side and the other end side of the shaft portion of the second rolling member 50. By being supported by this bracket 51, the second rolling member 50 can freely rotate with the lateral direction of the waterstop center pillar A as the axial direction. In addition, this bracket 51 is attached to the downstream side surface of the center pillar body 10 so as to rotate about a support axis that is approximately perpendicular to the downstream side surface of the center pillar body 10. That is, by rotating the bracket 51 about the support shaft, it is possible to freely change the running direction of the second rolling member 50. To such second rolling member 50 and bracket 51, for example, a well-known caster structure called a free caster or the like can be applied.

[0030] The first handle portion 60 is an inverted concave member fixed to the upper plate portion 12 at the upper end of the center pillar body 10. The first handle 60 is held from above when a worker or the like lifts up the waterstop center pole A.

[0031] The second handle 70 can be held from above, and the vertical position of the handle portion 71 can be changed. In more detail, the second handle portion 70 is integrally provided with a gripping portion 71 which is held by the hand of an operator or the like, and a support rod 72 which rotatably supports the gripping portion 71, and the base end side of the support rod 72 is pivotally supported so as to be freely rotatable on the upper end side of the center column main body 10 in the upright state.

[0032] The gripping portion 71 is formed in an elongated shape along the width direction of the center pillar body 10. Support rods 72 are connected to both ends of the grip portion 71 .

[0033] Each support rod 72 has one end connected to the gripping portion 71 and the other end pivotally supported on the upper end portion of the center pillar body 10 so as to be freely rotatable with the width direction of the center pillar body 10 as the axial direction.

[0034] Therefore, according to the second hand-holding portion 70 having the above-mentioned configuration, the gripped portion 71 can be rotated around the pivot portion on the base end side of the support rod 72 as a fulcrum. The gripping portion 71 can rotate in an arc from a state in contact with the upstream side of the center pillar body 10 (such as the waterstop engaged portion 14) to a state in contact with the downstream side of the center pillar body 10.

[0035] 7, when the second handle 70 is rotated upward by an appropriate amount, the height H from the lower immovable surface F to the gripping portion 71 is set to about 700 mm. This height H is an ergonomic dimension that makes it easy to grip and transport.

[0036] Next, the characteristic functions and effects of the center post A for a waterstop plate having the above-mentioned configuration will be described in detail. In cases where flooding is predicted, etc., a center pillar A for the waterstop is installed in an upright position at the center of the opening X in the structure, and the waterstops 1 and 2 on both sides are supported by this center pillar A for the waterstop. The waterstop center pillar A cooperates with the waterstops 1 and 2 to prevent water from passing through the opening X in the structure. In addition, if necessary, the center pillar A for the water stop plate is fixedly attached to the lower fixed surface F by fastening supports such as anchors or bolts.

[0037] In addition, when transporting the center pillar A for the waterstop, the center pillar A for the waterstop with the waterstops 1 and 2 removed can be tilted, the second handle portion 70 is rotated upward, and then the gripping portion 71 is grasped with the hand and pulled, so that the relatively heavy center pillar body 10 can be easily moved.

[0038] Water may enter the center column body 10 through gaps at the base of parts such as the second handle portion 70, but if the center column body 10 is tilted and the first rolling member 40 and the second rolling member 50 are brought into contact with the lower fixed surface F, the center column body 10 is maintained at a downward incline toward the second rolling member 50. In this tilted state, the water in the center pillar body 10 flows toward the second rolling member 50 and then passes through the water drainage hole 12a to be discharged to the outside.

[0039] Therefore, the center pillar A for a waterstop plate having the above-mentioned configuration can be transported by rolling the first rolling member 40 and the second rolling member 50, and the height of the gripping portion 71 of the second handle portion 70 can be adjusted, making the transport operation easy.

[0040] <Modification> In the above embodiment, the height position of the gripping portion 71 can be adjusted by rotating the second handle 70. As another example, the second handle 70 can be made slidable up and down relative to the center column main body 10 in the tilted state, or the second handle 70 can be made extendable and retractable.

[0041] According to the above embodiment, the first rolling member 40 and the second rolling member 50 are inclined downward toward the second rolling member 50 (to the left in FIG. 7) in the tilted state in contact with the lower stationary surface F, but as another example, it is also possible to configure the first rolling member 40 to be inclined downward toward the first rolling member 40 in the tilted state. In this case, for example, the first rolling member 40 may be formed with a smaller diameter than the second rolling member 50, and a drain hole may be provided in the lower plate portion 13.

[0042] According to the above embodiment, the center pillar A for the water stop plate is positioned approximately in the center of the width direction of the body opening X, but in another example, the center pillar A for the water stop plate may be positioned in a position biased to the right or left side, closer to the center of the width direction of the body opening X.

[0043] According to the above embodiment, as a particularly preferred aspect, the first rolling member 40 and the second rolling member 50 are provided, but it is also possible to omit either the first rolling member 40 or the second rolling member 50. In this case, it is preferable to omit the second rolling member 50.

[0044] In the above embodiment, as a preferred example, the first rolling member 40 and the second rolling member 50 are disposed on the downstream side of the center column body 10 in the upright state. That is, in this way, when water pressure is applied from the upstream side, the center column body 10 can be prevented from tilting downstream due to this water pressure by the abutment of the first rolling member 40 and the lower fixed surface F. As an example other than the illustrated example, the first rolling member 40 and the second rolling member 50 can also be disposed upstream of the center pillar main body 10 in the upright state.

[0045] As a preferred configuration to be added to the above embodiment, a brake mechanism may be provided on one or both of the first rolling member 40 and the second rolling member 50. This brake mechanism is a mechanism that manually locks the rotation of the rolling members or releases the locked state, and for example, a brake structure such as a well-known braked caster may be applied.

[0046] Furthermore, the present invention is not limited to the specific configurations described above, and can be modified as appropriate without departing from the gist of the present invention.

[0047] <Summary> As described above, the above embodiments disclose the following inventions. (1) A center post for a waterstop plate is erected near the center of an opening and supports both side waterstop plates, characterized in that it comprises a center post main body that supports the left and right waterstop plates in an upright position standing on a lower fixed surface, and a rolling member that is attached to the center post main body and can roll on the lower fixed surface (see Figures 1 to 7). (2) The center post for a water stop plate described in (1) (see Figure 6) is characterized in that in the upright state, a gap is secured between the rolling member and the lower fixed surface, and when the center post body is tilted from the upright state, the rolling member comes into rollable contact with the lower fixed surface. (3) The center post for a waterstop plate described in (1) or (2) is characterized in that the rolling member is provided downstream of the center post body in the upright state in the expected flow direction (see Figures 1 and 5). (4) A center post for a waterstop plate described in any one of (1) to (3) (see Figures 1 and 2) is characterized in that a watertight material is provided on the lower end side of the center post body so as to be pressed against the lower fixed surface in the upright state. (5) The center post for a waterstop according to any one of (1) to (4) above, characterized in that the center post body is provided with a handle (see Figs. 1, 5 and 7). (6) The center post for a waterstop as described in (5) (see FIG. 7) is characterized in that the handle is provided so that the vertical position of the gripping portion can be changed. (7) A center post for a water stop plate described in any one of (1) to (6) (see Figures 5 and 7), characterized in that the above-mentioned rolling member is a first rolling member, and a second rolling member is provided on the center post body at a position higher than the first rolling member in the upright state, and the second rolling member comes into contact with the lower fixed surface and becomes rollable when the center post body tilts from the upright state and the first rolling member comes into contact with the lower fixed surface and then tilts further. (8) The center pillar for a water stop plate described in (7) (see Figure 7) is characterized in that, when the center pillar body is in a tilted state with both the first rolling member and the second rolling member in contact with the lower fixed surface, it forms a water drainage path to drain internal water to the outside. (9) A center post for a waterstop plate as described in (7) or (8), characterized in that one of the first rolling member and the second rolling member has an outer diameter smaller than that of the other rolling member. (10) The center post for a waterstop plate according to any one of (7) to (9), characterized in that at least one of the first rolling member and the second rolling member is provided with a brake mechanism. (11) A center post for a waterstop plate as described in any one of (7) to (10), characterized in that at least one of the first rolling member and the second rolling member is configured to be able to change its running direction. [Explanation of symbols]

[0048] 1,2: Water stop 10: Middle pillar body 11: Pillar part 11a: Water drainage route 12: Upper plate 12a: Water drain hole 20: Support 30:Watertight material 40: First rolling member 50: second rolling member 60: First handle 70: Second handle 71: Gripping part A: Middle pillar for water stop plate X: Body opening

Claims

1. A waterstop center pillar that is erected near the center of the opening and supports the waterstops on both sides, A center pillar body that supports the left and right waterstop plates in an upright state on the lower fixed surface; A center post for a waterstop plate, comprising: a rolling member provided on the center post body and capable of rolling on the lower stationary surface.

2. In the upright state, a gap is secured between the rolling members and the lower stationary surface, 2. The center post for a water stop plate according to claim 1, wherein the rolling members are in rollable contact with the lower stationary surface when the center post body is tilted from the upright state.

3. The center post for a water stop plate according to claim 1, characterized in that the rolling member is provided downstream of the center post body in the upright state in the expected flow direction.

4. 2. The center post for a waterstop plate according to claim 1, characterized in that a watertight material is provided on the lower end side of the center post body so as to be pressed against the lower fixed surface in the upright state.

5. The center post for a waterstop plate according to claim 1, characterized in that the center post body is provided with a handle portion.

6. The center post for a waterstop according to claim 5, characterized in that the handle portion is provided so that the vertical position of the gripping portion can be changed.

7. The rolling member is a first rolling member, A second rolling member is provided on the center pillar body at a position above the first rolling member in the upright state, A center post for a water stop plate as described in any one of claims 1 to 6, characterized in that the second rolling member comes into contact with the lower fixed surface and becomes rollable when the center post body tilts from the upright state and the first rolling member contacts the lower fixed surface and then tilts further.

8. The center post for a water stop plate as described in claim 7, characterized in that the center post body forms a water drainage path for draining internal water to the outside when in a tilted state with both the first rolling member and the second rolling member in contact with the lower fixed surface.

9. 8. The center post for a waterstop according to claim 7, wherein one of the first rolling member and the second rolling member has an outer diameter smaller than that of the other rolling member.

10. 8. The center post for a waterstop according to claim 7, wherein at least one of the first rolling member and the second rolling member is provided with a brake mechanism.

11. The center post for a waterstop according to claim 7, characterized in that at least one of the first rolling member and the second rolling member is configured to be able to change its running direction.

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