JPH0415786Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to the improvement of a waterproof door device for the purpose of preventing water damage to, for example, entrances and exits of factories and facilities, or access routes.

[Prior Art] A waterproof door device that closes passages, etc. with a door body is used as a means of preventing flood damage to the entrances of houses and facilities and the banks of small and medium-sized rivers due to heavy rain and flooding in urban areas. In this case, conventional waterproof door devices of this type include a hydraulic jack and a hydraulic jack that connect the door body to the drive shaft of a motor that connects the door body to the detection means. There is a known structure in which it is raised and lowered through a link mechanism or the like (see Japanese Utility Model Publication No. 57-5419).

[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 reciprocating section includes a reciprocating section in which a piece of the door body that can be raised and folded is pivotally supported at the bottom of the opening, and is reciprocated by hydraulic pressure supplied from a manual hydraulic pump to a torque plate fixed to the pivot side of the door body. A drive shaft of a swinging part of a linear-to-rotation conversion device having a swinging part that engages with the reciprocating part and swings within the range of raising and lowering the door body is connected, and the drive shaft of the swinging part is connected to the side of the door body. The metal fitting is attached so as to be retractable and the metal fitting is attached to the wall or bank side, and a tightening metal fitting is attached to the wall or bank side that can be engaged with and detached from the receiving metal fitting and that can press the door body against the wall or bank side when engaged. The present invention aims to provide a watertight door device.

In the watertight door device of this invention, the torque plate has a through hole and an eccentric hole located outside the through hole, and the drive shaft of the linear-rotation conversion device is installed in the through hole. A connecting shaft is loosely fitted into the eccentric hole and connects a pair of torque transmission plates mounted on opposing drive shafts with respect to the torque plates so as to be able to transmit rotation. In this case, the above-mentioned receiving fitting is configured to be a sliding type that can be moved in and out of the horizontal direction or a rotating type that can be rotated in the vertical direction, and the above-mentioned fastening fitting has a screw shaft that can be rotated in the vertical direction, and a screw shaft that can be rotated in the vertical direction. Alternatively, it may consist of a horizontal screw shaft that can be raised and lowered and a tightening nut that is screwed to the horizontal screw shaft.

[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 is used, but in an emergency, by manually operating the hydraulic pump, the hydraulic pressure is transferred to the door body through the reciprocating-rotation conversion device and the torque plate. transmitted to
By engaging the receiving fitting on the door body side with the fastening fitting on the wall or embankment side when the door body is upright,
Since the door body is in close contact with the wall or embankment, 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 this door body 3, a linear-rotation conversion device 6 that transmits rotational force to a drive shaft 5 connected to this torque plate 4, and this It is composed of a manual hydraulic pump 60 that applies hydraulic pressure as a power source to the linear-rotation conversion device 6, and a receiving metal fitting 7 and a tightening metal fitting 8 that control the close fixation of the door body 3 to the wall or embankment 1. There is.

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 attached so as to be able to stand up from the recess 9.
Note that when the door body 3 is stored in the recess 9, a gap is created between the lower end of the door body 3 and the edge of the recess 9, and this gap is closed with a closing plate 90. In this case, the closing plate 90 is swingably attached to the edge of the recess 9 via a hinge 91, and
It is engaged on the lower end of the door body 3, and when the door body 3 rises, the closing plate 90 also rises.

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 for loosely fitting the through hole 41 and the drive shaft 5 and the eccentric hole 42 and the connecting shaft 52 in this way is for convenience when 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 straight line that transmits the rotational force to the drive shaft 5 -
As shown in FIGS. 5 to 7, the rotation converting device 6 includes a rack 63, which is a reciprocating portion having a piston 62 slidably fitted into a pair of opposing hydraulic cylinders 61, and a rack 63. Rack 63
The pinion 64 is a swinging part that meshes with the pinion 64. In this case, the rack 63 and pinion 64 are arranged in a box-like case 60 that connects the hydraulic cylinders 61 (see FIG. 7a). Note that the two hydraulic cylinders 61 do not necessarily need to be formed integrally with the box-like case 60;
It may also be formed separately (see Figure 7b). A manual hydraulic pump 66 is connected to each hydraulic cylinder 61 of the linear-rotation conversion device 6 configured as described above through a hydraulic pipe line 65 and a switching valve 67.
By manually operating the operating lever 68 of the hydraulic pump 66, hydraulic pressure is applied to one of the hydraulic cylinders 61 selected by the switching valve 67 on the protruding side, and the other hydraulic cylinder 61 is applied with the retracting side. Hydraulic pressure is applied to the side.

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 slide-type 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 retractable 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. There is. 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 housing 84 that is movable up and down, and has a sliding guide slit 83 with a fastening fitting 8 buried 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 slidably attached to the side of the opening 2 of the wall or embankment 1 opposite to 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, when the operating lever 68 of the manual hydraulic pump 66 is operated, hydraulic pressure is applied to the hydraulic cylinder 61, and the pinion 64, which is the swinging part of the linear-rotation conversion device 6, rotates approximately 90 degrees. , this pinion 6
4 is transmitted to the drive shaft 5, to the torque plate 4, and then to the door body 3, and the door body 3 stands up toward the opening 2 of the wall or embankment 1, so this state After making the receiving fitting 7 protrude from the door body 3 side, the fastening fitting 8 is dropped into the notch 72 of this receiving fitting 7 from the fixed part side of the wall or embankment 1, and then the tightening fitting 8 is tightened. When the attachment nut 82 or 86 is tightened, the torque plate 4 on the door body 3 side and the drive shaft 5 are connected with a slight gap, so the door body 3 is attached to the wall or the edge of the opening 2 of the embankment 1. The opening 2 can be hermetically closed by being pressed by a packing rubber 13 attached to the edge of the door body 3 (see FIGS. 2 to 4).

Therefore, by remotely controlling the door body 3 from a location away from the door body 3, the door body 3 can be closed to the opening 2 to prevent water damage such as flooding during a typhoon or heavy rain.

In the above embodiment, the case where there is only one torque plate 4 has been explained, but if the door body 3 is long, a plurality of torque plates 4 and a linear-rotation conversion device 6 may be attached as shown in FIG. 10. This makes it possible to easily raise and lower the door body 3.

[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. Compared to conventional waterproof door devices of this type, it can be manufactured at a lower cost, can be used even during power outages, and is safer because the door body can be closed by remote control from any location. expensive.

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. Since the manual operation part and the tightening means are installed separately and each structure is simple,
Not only is assembly easy, but maintenance management is also easy.

[Brief explanation of the drawing]

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. 5 is a front view of the linear-to-rotational conversion device in this invention, FIG. 6 is a side view thereof, FIGS. 7a and 7b are schematic diagrams showing another structure of the linear-to-rotational conversion device, Fig. 8 is a cross-sectional view showing the connection state between the torque plate and the driving means in this invention, Fig. 9 is a perspective view showing another embodiment of the receiving metal fitting and the fastening metal fitting in this invention, and Fig. 10 is a cross-sectional view showing the connection state of the torque plate and the driving means in this invention. FIG. 7 is a front view of the second embodiment in use. Description of symbols, 1...Wall or embankment, 2...Opening, 3
... Door body, 4 ... Torque plate, 5 ... Drive shaft, 6 ... Linear-rotation conversion device, 7 ... Bracket,
8... Tightening fitting, 9... Rectangular recess, 10... Bracket, 11... Pin, 13... Packing rubber, 37... Hinge fitting, 41... Through hole, 42...
...Eccentric hole, 51...Torque transmission plate, 52...
...Connection shaft, 61...Hydraulic cylinder, 62...Piston, 63...Rack, 64...Pinion, 6
6...Manual hydraulic pump, 71...Bracket piece, 7
2... Locking notch, 73... U-shaped bracket,
74...Pin, 81...Screw shaft, 82...Tightening nut, 85...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 linear-to-rotation conversion device having a reciprocating part that reciprocates by hydraulic pressure supplied from a manual hydraulic pump, and a swinging part that engages with the reciprocating part and swings within the range of raising and lowering the door body. The drive shaft of the swinging part is connected, and a receiving metal fitting is attached to the side of the door body so that it can be retracted and retracted, and the receiving metal fitting can be connected to and detached from the wall or embankment side, and when engaged, the receiving metal fitting can be attached to the wall or embankment side. A waterproof door device characterized in that a tightening fitting capable of pressing the door body is attached to the side thereof. (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 connecting a pair of torque transmitting plates mounted on a drive shaft so as to be able to transmit rotation. (3) The watertight door device according to claim 1 or 2, wherein the receiving fitting is a sliding receiving fitting that can be retracted and retracted in the horizontal direction. (4) Scope of utility model registration claims, paragraph 1 or 2, in which the holder is a rotary holder that can be rotated in a vertical direction
The watertight door device described in section. (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 screwed 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.