JPH0340905Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to the improvement of a waterproof door device used to prevent flood damage at, for example, entrances and exits of factories and facilities, river embankments, and access roads.

[Prior Art] As a means of preventing flood damage near rivers, waterproof door devices are used that use gate bodies to close passages and the like provided on river banks. In this case, conventional waterproof door devices of this type have a door body attached to the bottom of the opening constituting the entrance so that it can be raised and lowered, and this door body is raised and lowered via a hydraulic jack and a link mechanism. structure is known (Jikko Sho 57-
(See Publication No. 5419).

[Problems to be solved by the invention] However, conventional waterproof door devices of this type
Because it includes a hydraulic jack and a motor that controls the up-and-down movement of this jack, it is not only expensive but also difficult to use during power outages.
In addition, there were problems such as construction on the floor side and assembly of the mechanism being troublesome.

[Means for solving the problem] This invention was made with the intention of solving the above problem, and as a means to solve the above technical problem, a A piece of the door body that can be raised and folded is pivotally supported at the bottom of the opening, and a drive shaft of a manual drive means is connected to a torque plate fixed to the pivot side of the door body so as to be able to rotate. At the same time, a fastening fitting is attached to the side of the wall or bank so that it can be retracted and retracted, and a tightening fitting is attached to the wall or embankment side that can be engaged with and detached from the receiving metal fitting and can press the door body against the wall or bank side when engaged. An object of the present invention is to provide a waterproof door device characterized by comprising:

[Effect] The above technical means works as follows.

In normal times, the door body that constitutes the floor of the opening in the wall or embankment, but in an emergency, by manually driving the drive means, the rotation transmission force is transmitted to the door body via the torque plate, and the door body is opened. By engaging the receiving fitting on the door body side with the fastening fitting on the wall or bank side in the state where the door body is upright, the door body comes into close contact with the wall or bank, so damage from flooding can be prevented.

[Example] An example of this invention will be described below based on the drawings.

FIG. 1 is a perspective view showing the main parts of the waterproof door device of this invention. A collapsible door body 3, a torque plate 4 fixed to the pivot side of the door body 3, and a drive device 6 which is a manual drive means for transmitting rotational force to a drive shaft 5 connected to the torque plate 4. , and a receiving metal fitting 7 and a fastening metal fitting 8 for closely fixing the door body 3 to the wall or embankment 1.

The door body 3 includes a rectangular plate 31 made of aluminum alloy, an upper main girder 32 and a bottom main girder 33 fixed to one side of the plate 31 for reinforcement.
It is composed of a pair of left and right vertical main girders 34, and horizontal girders 35 and vertical girders 36 that are framed together in a lattice shape.
Door bodies 3 are provided on both left and right sides of the bottom main girder 33.
A hinge fitting 37 for pivoting is provided in a protruding manner. This hinge fitting 37 is pivotally connected with a pin 11 to a bracket 10 installed in a rectangular recess 9 provided in the floor for storing the door body 3 (see Fig. 2). and Figure 4). Therefore, when the door body 3 is not in use, it is stored in the recess 9 and constitutes a part of the floor, and when it is in use, it is mounted so as to be able to stand up from the recess 9.

Further, the torque plate 4 and the drive shaft 5 are connected by loosely fitting the drive shaft 5 into a through hole 41 bored in the torque plate 4, as shown in FIG. Four eccentric holes 4 drilled outward
2, a connecting shaft 52 connecting a pair of torque transmitting plates 51, which are non-rotatably mounted on opposing drive shafts with respect to the torque plate 4, is loosely fitted into the torque transmitting plate 4. The reason why the through hole 41 and the drive shaft 5 and the eccentric hole 42 and the connecting shaft 52 are fitted loosely in this way is for the convenience of moving the door body 3 closely toward a wall or embankment while the door body 3 is in an upright state. This is for the sake of

Note that the drive device 6 that transmits rotational force to the drive shaft 5 is installed in a drive device recess 12 provided in series on one side of the recess 9 . In this case, this drive device 6 is a direction changer 6 having an input shaft 62 with which an operating handle 61 is removably engaged.
3, a first reducer 65 connected to this direction changer 63 via a joint 64, and a second reducer 67 connected to this first reducer 65 via a joint 66. and the joint 68 is connected to the second reducer 67.
The drive shaft 5 is connected to the drive shaft 5 via the drive shaft 5. In this case, it is not always necessary to use the two reduction gears 65 and 67, and for example, one reduction gear or a direction changer with a built-in reduction mechanism may be used.

On the other hand, the receiving metal fitting 7 is attached to the vertical main girder 3 of the door body 3.
4 and a sliding receiving metal piece 71 that is slidably inserted into a guide slit provided in the longitudinal girder 36 adjacent to the main longitudinal girder 34 and can freely retract and protrude outward.
The fastening fitting 8 has a locking notch 72 at the tip thereof, and the fastening fitting 8 has a vertically rotatable screw shaft 81 attached to the wall or bank 1 side,
A tightening nut 82 screwed to this screw shaft 81
It is made up of. The above-mentioned receiving fitting 7 and tightening fitting 8 are configured such that when the door body 3 is erected, after the receiving fitting 7 is pulled out, the tightening fitting 8 is rotated downward and screwed. The shaft 81 is dropped into the notch 72 of the receiving fitting 7, and the tightening nut 82 is tightened to bring the door body 3 into close contact with the packing rubber 13 attached to the opening 2 of the wall or embankment 1. . In this case, the receiving fitting 7 and the fastening fitting 8 are not limited to those having the above-mentioned structure. For example, as shown in FIG. A receiving metal piece 71 is pivotally attached to a bracket 73 with a pin 74 so as to be rotatable in the vertical direction.
A horizontal screw shaft 85 is attached to a casing 84 that is movable up and down, and has a sliding guide slit 83 in which the fastening fitting 8 is embedded in the wall or the fixed side of the embankment 1.
and a tightening nut 86 screwed to the horizontal screw shaft 85.

In addition, in the above embodiment, a case has been described in which the watertight packing rubber 13 is attached to the opening 2 of the wall or bank 1, but this packing rubber 13 does not necessarily have to be on the wall or bank 1 side, but can be attached to the periphery of the door body 3. It may be attached to the

A normal door 14 for opening and closing the opening 2 is installed in a sliding manner on the opposite side of the opening 2 of the wall or embankment 1 from the door body 3 side.

The watertight door device of the present invention constructed as described above has the door body 3 stored in the rectangular recess 9 when not in use, forming the floor near the opening 2 to prevent people and vehicles from entering. etc. will be used for traffic. In addition, in an emergency such as a flood, by driving the drive device 6 with the operating handle 61, the rotational force of the drive device 6 is transmitted to the drive shaft 5 and torque plate 4, and then to the door body 3. Since the door body 3 stands up toward the opening 2 of the wall or embankment 1, in this state, after the receiving metal fitting 7 is projected from the door body 3 side, the receiving metal fitting 7 is extended from the fixed part side of the wall or embankment 1. When the tightening fitting 8 is dropped into the notch 72 and the tightening nut 82 or 86 of the tightening fitting 8 is tightened, the door body 3
Since the side torque plate 4 and the drive shaft 5 are connected with a slight gap, the door body 3 is attached to the wall or the edge of the opening 2 of the embankment 1 or the edge of the door body 3 using a packing rubber. 13, the opening 2 can be hermetically closed (see FIGS. 2 to 4). Therefore, water damage such as flooding caused by typhoons or heavy rain can be prevented.

[Effects of the invention] As explained above, according to the waterproof door device of this invention, the door body that is pivotally supported on the floor of an opening in a wall or embankment forms part of the floor when not in use. In the event of an emergency when a flood warning is issued, the door body can be erected by a manual drive means and the opening can be closed watertight. You can get an effect like this.

1. It can be manufactured at a lower cost than conventional waterproof door devices of this type, and it is highly safe because it can be used even during power outages.

2. In the construction of the floor section, the door storage section and the driving means installation section are performed separately, so construction is easy and the installation work can be carried out quickly.

3. The driving means and the tightening means are installed separately,
Moreover, since each structure is simple, assembly is easy and maintenance management is also easy.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing the main parts of the watertight door device of this invention, Fig. 2 is a front view of the watertight door device of this invention when it is in use, and Figs. FIG. 5 is a cross-sectional view showing the state of connection between the torque plate and the driving means in this invention, and FIG. 6 is a perspective view showing another embodiment of the receiving metal fitting and the fastening metal fitting in this invention. Explanation of symbols, 1...Wall or embankment, 2...Opening, 3
... Door body, 4 ... Torque plate, 5 ... Drive shaft, 6 ... Drive means (drive device), 7 ... Bracket,
8...Tightening metal fitting, 9...Rectangular recess, 10...Bracket, 11...Pin, 12...Driving device recess, 13...Packing rubber, 37...Hinge fitting, 41...Through hole , 42... Eccentric hole, 51... Torque transmission plate, 52... Connection shaft, 61... Operation handle, 71... Receiving metal piece, 72... Locking notch, 73... U-shaped bracket, 74 ... Pin, 81 ... Screw shaft, 82 ... Tightening nut, 8
5...Horizontal screw shaft, 86...Tightening nut.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A torque plate that pivotally supports a piece of a movable door body at the bottom of an opening provided on the wall or embankment side, and is fixed to the pivot side of this door body. A drive shaft of a manual drive means is connected to the drive shaft so as to be able to transmit rotation, and a receiving metal fitting is attached to the side of the door body so as to be retractable. A waterproof door device characterized in that a tightening fitting capable of pressing the door body is attached to a wall or embankment side in some cases. (2) A through hole and an eccentric hole located outside the through hole are bored in the torque plate, a drive shaft is loosely fitted into the through hole, and an opposite hole is formed in the eccentric hole with respect to the torque plate. The waterproof door device according to claim 1, which is a registered utility model, and comprises a connecting shaft that connects a pair of torque transmitting plates mounted on a drive shaft so as to transmit rotation. (3) The watertight door device according to claim 1 or 2 of the utility model registration claim, wherein the receiving metal fitting is of a sliding type that can be retracted and retracted in the horizontal direction. (4) The watertight door device according to claim 1 or 2, wherein the receiving bracket is of a rotary type that can rotate in a vertical direction. (5) Any one of claims 1 to 4 of the claims for utility model registration, in which the fastening fitting consists of a vertically rotatable screw shaft and a tightening nut that is threadedly connected to the screw shaft. The waterproof door device described in . (6) Any one of claims 1 to 4 of the claims for utility model registration in which the fastening fitting is composed of a horizontal screw shaft that can be raised and lowered and a tightening nut that is screwed to the horizontal screw shaft. Waterproof door device as described.