JPH0738472U - Waterproof structure of waterproof plate - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention is a waterproof plate installed at the entrances and exits of buildings such as buildings and the entrances and exits of subway stations to prevent water from entering the inside of these buildings and the like during heavy rain. With respect to the above, it is an object of the present invention to provide a waterproof structure capable of maintaining the waterproof performance of the waterproof plate for a long period of time and also obtaining a high waterproof property. [Configuration] At least the waterproof plate 32 and the waterproof plate 32 That is, the water-stopping tube 33 that is expandable and contractible is interposed between the guide groove 31 and the guide groove 31 that vertically supports

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a waterproof plate provided at an entrance of a building such as a building or an entrance of a subway station to prevent water from entering the inside of the building or the like during heavy rain.

[0002]

[Prior art]

 Waterproofing boards are installed at the entrances and exits of buildings, such as areas with low land such as 0 meters above sea level, and places where the drainage capacity is low during rainfall and roads are easily flooded to prevent rainwater from entering in case of flood damage. It is designed to be used.

In the structure of this waterproof plate, as a conventional technique, in the conventional example, columns for mounting the waterproof plate are provided upright on both sides of the entrance / exit as disclosed in Japanese Utility Model Publication No. 4-218857. There is known a structure in which a required number of waterproof plates are mounted between the columns. Further, as a conventional example, as disclosed in JP-A-1-192981, a type in which a waterproof plate is lowered from above like a shutter is known. Further, in the conventional example, as disclosed in Japanese Patent Laid-Open No. 64-43675, a waterproof plate is stored in a storage chamber on the floor so that it can be raised and lowered, and when it is used in the event of water damage, it can be raised electrically or manually. It is known that this type.

In the conventional example, as shown in FIGS. 6 to 7, columns 1 and 2 for mounting a waterproof plate are provided upright at the entrance of a building, and the columns 1 and 2 are vertically arranged. A recessed guide groove 3 is provided, and the waterproof plates 6 are formed between the columns 1 and 2 in a watertight manner by being vertically connected and horizontally mounted, and by frame members 4 and 5 having different vertical widths. An edge frame member 7 fitted on the frame is provided on the peripheral edge of the, and a handle 8 for tightening is further provided.

The waterproof structure between the peripheral edge of the waterproof plate 6 and the guide groove 3 has a wall surface of the guide groove 3 by the elastic seal material 9 attached to the side wall surface of the edge frame member 7 and the handle 8. In addition, the elastic sealing material 9 is rotated by manual operation and is brought into close contact with water by the pressing force of the handle 8 which is cut into the guide groove 3 to stop water.

In the conventional example, as shown in FIGS. 8 to 10, a chain 12 connected to both end faces of a waterproof plate 11 is suspended from the ceiling of a building entrance, and the chain 12 is attached to a sprocket 13. The waterproof plate 11 is wound up and down so that the drive motor 14 moves the waterproof plate 11 up and down. This water-stop structure has a watertight seal material 11a provided on the contact surface between the guide groove 15 provided on the pillar or side wall of the building and the waterproof plate 11, and the lower end of the waterproof plate 11 is also water-sealed. The sealing material 11b is attached.

The connecting bar 16 that moves in the vertical direction and the pressing rod 17 that rotates about the shaft 10 via the pin 16a by the vertical movement of the connecting bar 16 are operated manually or electrically. Is pushed down to press the waterproof plate 11 against the side wall of the guide groove 15 by the tip of the pressing rod 17, and the water sealing materials 11a and 11b are used to stop water. The reference numeral 11c indicates a rotation stopper of the pressing rod 17.

In the conventional example, as shown in FIGS. 11 to 13, a storage chamber 22 is formed in the floor 21 outside the columns 20 and 20 at the entrance of the building, and the waterproof plate is provided in the storage chamber 22. It is designed to store 23. Elevating rods 24 are attached to both sides of the waterproof plate 23, and guide rails 25 slidably fitted to the elevating rods 24 are provided below the elevating rods 24 and provided at both ends of the storage chamber 22. It is wound around a pulley 26 and has one end hooked on a waterproof plate 23 and the other end hooked on a balance weight 27. Therefore, the waterproof plate 23 can be raised and lowered extremely lightly.

Then, in order to raise the waterproof plate 23 and bring it into close contact with the pillars 20, 20, the engaging hole 20 a provided in the pillar 20 is projected and retracted from the surface of the waterproof plate 23 by a manual handle 29 or an electric drive means. The free stopper plate 28 is projected and inserted, and the tip of the protruding stopper plate 28 causes the locking claws to project in the radial direction and be locked. A waterproof seal is affixed to the surface of the waterproof plate 23 that is in close contact with the pillar 20, and has a water-tight structure that is watertightly adhered by the stopper plate 28.

[0010]

[Problems to be solved by the device]

 However, in any of the above-mentioned conventional examples, and the water-stopping structure, the sealing material attached to the waterproof plate is water-stopped by a means such as pressing. Therefore, in order to completely stop the water, the pressing means and the like must be provided on the waterproof plate side or the column side, and the structure of the waterproof plate is complicated, and the waterproof performance is deteriorated along with the deterioration of the sealing material. However, there is a problem that the overall weight of the waterproof plate is heavy and inconvenient to handle.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a waterproof structure that can maintain the waterproof performance of a waterproof plate for a long period of time and that can obtain high waterproof performance. To aim.

[0012]

[Means for Solving the Problems]

 The gist of the present invention to solve the above-mentioned problems and achieve the above-mentioned object is to provide an expandable / contractible water stop tube at least between a water-proof plate and a guide groove for vertically supporting the water-proof plate. That is, the water blocking tube is inflated by injecting gas or liquid.

[0013]

[Action]

 According to the waterproof structure of the waterproof plate of the present invention, when the water is damaged, the waterproof plate is erected in the guide groove provided in the building or the pillar, and the waterproof tube is interposed between the waterproof plate and the guide groove. A gas or a liquid is injected by an injection means such as a compressor or a pump, and the water shut-off tube is expanded so as to exhibit the required prevention performance. As a result, rainwater and the like are prevented from entering the inside of the building by the water shut-off tube, and a secondary disaster is prevented.

[0014]

Embodiments Next, embodiments according to the present invention will be described in detail with reference to the drawings. The first embodiment according to the present invention is, as shown in FIGS. 1 to 3, a pillar 30 provided at an entrance of a building or a pillar 30 which is a part of a side wall of an entrance of a subway, and a pillar 30 provided facing each other. In a waterproof structure for preventing intrusion of rainwater, which comprises a guide groove 31 having a concave cross section and a waterproof plate 32 formed of a lightweight member fitted into the guide groove from above, a peripheral edge portion of the waterproof plate 32 is provided. A water blocking tube 33 is interposed between the guide groove 31 and the guide groove 31.

The water blocking tube 33 is made of an elastic material such as rubber, and is fixed to the peripheral edge of the waterproof plate 32 in a fitted state with a concave portion and a convex portion. The water shutoff tube 33 is connected to and connected to 34 via a connecting pipe 34a. Then, by injecting a gas or a liquid from the injection hole 34 into the inside of the water stop tube 33 by an injection means (not shown) such as a compressor or a pump, the water stop tube 33 is expanded.

Barrel holes 35, 35 are formed through both sides of the upper part of the waterproof plate 32. The bar holes 35 a are formed at the positions corresponding to the bar holes 30 a provided on the side wall of the column 30 that forms the guide groove 31. Has become. Therefore, as shown in FIG. 2, the bar 36 provided on the side of the column 30 is slid horizontally by the operating rod 37, so that the bar 36 penetrates the bar hole 35 of the waterproof plate 32 and the side wall of the column 30. The waterproof plate 32 is fitted in the bar-barring hole 30a, and is prevented from floating upward by the action of the water-blocking tube 33 that has expanded.

Further, as shown in FIG. 3, a waterproof tube 33 is also arranged at the lower end of the waterproof plate 32, and the lower end of the waterproof plate 32 is placed in a groove 39 provided in the concrete floor 38. When the water blocking tube 33 is fitted and the water blocking tube 33 is expanded, as shown in the figure, the water blocking tube 33 becomes a water blocking tube 33a which swells as shown by a broken line, and the recessed groove 39 and the waterproof plate 32 are formed. The gap is sealed with water.

With such a waterproof structure of the waterproof plate, when there is a risk that the road etc. will be flooded due to heavy rain and rainwater will enter the inside of the building, the waterproof plate 32 is inserted into the guide groove 31 and mounted, and further operation is performed. The rod 37 is slid to operate the bar 36 to prevent the waterproof plate 32 from moving upward, and then the air compressor or water injection pump is operated to inject air or water from the injection hole 34 and stop. Inflate the water tube 33.

This prevents rainwater from entering the inside of the building. After the water is drained, the work of draining air or water from the injection hole 34 is performed, the barb 36 is removed, and the waterproof plate 32 is pulled up from the guide groove 31 of the column 30 and removed.

In the second embodiment of the present invention, as shown in FIGS. 4 to 5, a water blocking rubber 41 and a water blocking tube 42 are provided inside a guide plate 40 which forms a guide groove in a vertical direction on a column 30 or the like. A flexible waterproof sheet 43 is provided so that both ends thereof are sandwiched between the waterproof rubber 41 and the waterproof tube 42, and the waterproof sheet 43 has a lower end at its lower end. It is wound in a roll shape on a winding device (not shown) provided inside a flat protective cover 45 which is watertightly fixed to a storage case 44 in the floor and whose upper end portion is vertically guided by a guide groove. The protective cover 45 is fixed to the tip of a guide rod 47 that moves up and down inside the storage pipe 46 (four locations at both ends) to move up and down.

An air inlet 48 is inserted into the water blocking tube 42 in a through hole formed in the upper portion of the column 30. Air is injected into the water blocking tube 42 from the air injection port 48 by a compressor. Reference numeral 49 is the ground, 50 is a stopper for stopping the rising of the guide rod 47, and 51 is a guide sleeve of the guide rod 47.

With the configuration of the second embodiment, when there is a risk of flooding, the handle 52 of the protective cover 45 is manually lifted to pull up the protective cover 45, and the waterproof sheet 43 is placed inside the protective cover 45. The protective cover 45 is fed out from the winding device and expanded, and the protective cover 45 is locked at the upper part of the guide groove, and then air is injected from the air injection port 48 into the water blocking tube 42 by an air supply means such as a compressor.

The waterproof tube 42 expands and presses the side end of the waterproof sheet 43 with the waterproof rubber 41 to sandwich the waterproof sheet 43, and the peripheral edge of the waterproof sheet 43 is sealed with water. Since the lower part of the prevention sheet 43 is also watertightly fixed to the storage case 44, the entire waterproof sheet 43 is sealed with water.

After the water is drawn, air is released from the injection hole 48, the locking lock of the protective cover 45 is unlocked, and the protective cover 45 is lowered to be stored in the storage case 44. . At this time, at the same time, the waterproof sheet 43 is sequentially wound around the winding device of the protective cover 45 and stored in a roll shape. When the protective cover 45 is housed in the housing case 44, the protective cover 45 becomes substantially flush with the ground surface 49 and fits neatly in appearance.

As described above, the water-sealing tube that is expandable and contractible seals the gap between the waterproof plate and the guide groove in a watertight manner, so that a high-performance water-stopping structure can be obtained.

[0026]

[Effect of device]

 As described above, in the waterproof structure of the waterproof plate according to the present invention, at least the waterproof tube and the guide groove for upright supporting the waterproof plate have the expandable and contractible waterproof tube interposed. As a result, the waterproof tube is water-tightly sealed between the peripheral edge of the waterproof plate and the guide groove to improve the waterproof performance, and the waterproof tube can be expanded and contracted to adjust the expansion condition. Therefore, even if it is used for a long period of time, the drawbacks such as water-stopping rubber that deteriorates due to deterioration of water-stopping rubber etc. as in the conventional example are solved, and the water-stopping structure is simple and low cost is excellent. Produce the effect.

Further, since the water blocking tube is inflated by injecting gas or liquid, after the water blocking tube is inflated and used at the time of water damage, gas or the like is discharged from the inlet. For example, the waterproof tube can be reduced in diameter so that the waterproof plate can be easily removed, and the waterproof tube can be removed compactly.

[Brief description of drawings]

FIG. 1 is a partially sectional front view of a first embodiment of a waterproof structure for a waterproof plate according to the present invention.

FIG. 2 is a plan view of the first embodiment.

FIG. 3 is a vertical sectional view of a lower portion of the waterproof plate of the first embodiment.

FIG. 4 is an enlarged plan view, partly in section, of a second embodiment according to the present invention.

FIG. 5 is a vertical sectional view of the second embodiment.

FIG. 6 is a perspective view showing a waterproof structure of a waterproof plate according to a conventional example.

FIG. 7 is a partially enlarged plan view according to the conventional example.

FIG. 8 is a perspective view of a waterproof plate according to a conventional example.

FIG. 9 is a partial vertical sectional view according to the conventional example.

FIG. 10 is a partially enlarged plan view of the conventional example.

FIG. 11 is a perspective view of a waterproof plate according to a conventional example.

FIG. 12 is a vertical sectional view according to the conventional example.

FIG. 13 is a front view of a side end portion of a waterproof plate according to the conventional example.

[Explanation of symbols]

 30 props, 31 guide groove, 32 waterproof plate, 33 waterproof tube, 33 injection hole, 34 injection hole, 34a connecting pipe, 35 bar hole, 36 bar, 37 operating rod, 38 concrete floor part, 39 concave groove, 40 guide plate, 41 stop Water rubber, 42 waterproof tube, 43 waterproof sheet, 44 storage case, 45 protective cover, 46 storage pipe, 47 guide rod, 48 air inlet.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshinori Takashima 3-11-3 Akasaka, Minato-ku, Tokyo Toda Construction Co., Ltd. Kanto Branch

Claims (3)

[Scope of utility model registration request] 1. A waterproof structure for a waterproof plate, characterized in that at least a waterproof tube which is expandable and contractible is interposed between the waterproof plate and a guide groove for vertically supporting the waterproof plate. 2. The waterproof structure for a waterproof plate according to claim 1, wherein the waterproof tube is a tube that is inflated by injecting gas. 3. The water blocking structure for a waterproof plate according to claim 1, wherein the water blocking tube is for injecting a liquid to be expanded.