JP3133614U - Drain port sealing device - Google Patents

Abstract

Disclosed is a drain opening sealing device which is universally adapted to drain outlets of various ships with different diameters and shapes, is easy to attach and detach, has a simple structure, and can withstand long-term use.
A lock ring 1c, 1d is provided on a diagonal line of an inner peripheral wall 1a, and a plurality of screw holes 1e penetrating from the inner peripheral wall 1a to the outer peripheral wall 1f are screwed, and the lock pins 1c, 1d. A fitting portion 2a in which the insertion opening and the rotation grooves 2j and 2k corresponding to the bottom portion and the outer peripheral wall 2i are formed, and a fitting plug 2 in which the convex gripping portion 2b above the fitting portion 2a is integrally formed. , O-rings 3 and 4 for sealing the outer peripheral wall 2i of the fitting portion 2a and the inner peripheral wall 1a of the mounting ring 1, a filler filled in the gap between the drain port and the mounting ring 1, and the mounting ring 1 And a plurality of mounting screws 5 for fixing the to the drain pipe.
[Selection] Figure 1

Description

  The present invention relates to a drain port sealing device, and more specifically, can be easily attached to and detached from a deck drain port of various ships with different diameters and shapes, has a simple structure, and can be used for a long time. The present invention relates to a drain plug device.

  On the deck of a ship or the like, drainage ports (scrapers) for draining rainwater, washing water, etc. on the deck from the deck to the outside of the ship are provided in various places. The drainage port on the deck is usually connected to the outboard drainage port provided on the outside of the hull via a drainage pipe, and rainwater, washing water, etc. on the deck are discharged outside the ship via the drainage pipe. . However, the ship must be open to discharge water on the deck due to waves during loading and unloading work, moored at a pier, etc., and after completion of loading, and further during voyage. For example, unexpected pollutants, such as fuel oil and other maintenance oils, may flow out on the deck of ships, etc., and these pollutants are discharged out of the ship through drains. If this happens, the harbor will be in a state of ocean pollution, which may violate the Marine Pollution Control Law and the Marine Disaster Prevention Law, and be subject to severe penalties such as permission to leave or suspension of operations. In order to prevent various pollutants including oils spilled on the deck of a ship or the like from spilling on the ocean, it is extremely important to seal the drain outlet provided on the deck.

  FIGS. 7A and 7B show the shape of the drain port, and FIG. 7A shows a straight pipe of the drain pipe P1 bent in an elbow shape, and the drain port H1 has a circular shape in plan view. Yes. (B) is a state in which the drain pipe P2 is an oblique pipe, and the drain port H2 has an elliptical shape in plan view. Conventionally, for example, various plugs as shown in FIGS. 8A to 8D have been used to close the drainage port H1 or H2 on the deck of a ship or the like. In FIG. 8A, a resin bag A1 is mounted in the drain outlet, air or the like is fed into the bag A1 via a lever A2, etc., and this is inflated and sealed. FIG. 8B shows a device that seals the packing member B1 by pressing it against the inner wall of the deck drainage port through rotation of the handle B2 (Japanese Patent Laid-Open No. 11-255180). FIG. 8 (C) is characterized in that the valve body C3 at the lower end of the stem C2 screwed into the support frame C1 fixed on the deck is pressed through the rotation of the handle C4. 45699). FIG. 8D shows a closing method using the wooden plug D1.

JP 11-255180 A Japanese Utility Model Publication No. 53-45699

 However, the method of Patent Document 1 in FIGS. 8A and 8B can be applied to the circular drainage H1 shown in FIG. 7A, but the elliptical drainage H2 in FIG. 7B. Can not be used. Further, in the method of Patent Document 2 in FIG. 8C, the sealing surface cannot be completely closed unless the contact surface between the valve body C3 and the deck is smooth, and the support frame C1, the stem C2, the handle C4, and the like are provided on the deck. It becomes an obstacle to walking and various tasks. The wooden plug D1 in FIG. 8D is struck and closed with a hammer or the like. Therefore, if it is driven too much, it is difficult to remove it, and there is a risk that the wooden plug will be damaged during the driving operation.

  An object of the present invention is to provide a drainage port sealing device that is universally adapted to drainage ports of various ships with different diameters and shapes, is easily detachable, has a simple structure, and can withstand long-term use. is there.

  As a result of intensive studies in view of the various problems of the above-described conventional technology, the present inventors have completed the present invention. Means for solving the problems are the devices described in the claims of the present application and the utility model registration, and the specific means are as follows.

  A first device for solving the problem is the device according to claim 1, which is a sealing device to be mounted on a deck drain of a ship or the like, and a lock pin is provided on a diagonal line of an inner peripheral wall. In addition, a fitting ring formed by screwing a plurality of mounting screw holes penetrating from the inner peripheral wall to the outer peripheral wall, and an insertion port and a rotation groove corresponding to the lock pin are formed on the bottom portion and the outer peripheral wall. A fitting plug formed integrally with a convex gripping part above the fitting part, an O-ring sealing the outer peripheral wall of the fitting part and the inner peripheral wall of the mounting ring, It is characterized by comprising: a filler filled between the gap between the drain port and the mounting ring; and a plurality of mounting screws screwed into the screw holes for fixing the mounting ring to the drain pipe. Yes.

  A second device for solving the problem is the device according to claim 2, wherein the inner peripheral wall of the mounting ring is smoothed and the upper peripheral edge is chamfered. .

  A third device for solving the problem is the device according to claim 3, wherein the mounting ring is made of a material having corrosion resistance and durability.

  A fourth device for solving the problem is the device according to claim 4, wherein the insertion port is formed on the diagonal line at the bottom of the fitting portion and on the same line as the convex grip portion. It is characterized by that.

  A fifth device for solving the problem is the device according to claim 5, characterized in that the peripheral edge of the bottom of the fitting portion is a tapered surface.

  A sixth device for solving the problem is the device according to claim 6, wherein an annular groove for fitting the O-ring is formed in the outer peripheral wall at the upper end of the fitting portion. It is a feature.

  A seventh device for solving the problem is the device according to claim 7, wherein a hook-engaging through hole is formed in a central portion of the convex gripping portion of the fitting plug, and the convex A through hole for binding a loss prevention string or the like is formed in the side end portion of the gripping portion.

  An eighth invention for solving the problem is the invention according to claim 8, wherein the fitting plug is made of a high-strength synthetic resin and is integrally molded.

  According to the first aspect of the present invention, the drain opening sealing device according to the present invention includes a plurality of mounting screw holes that project from the inner peripheral wall to the outer peripheral wall while projecting the lock pin on the diagonal line of the inner peripheral wall. , A fitting part in which an insertion port and a rotation groove corresponding to the lock pin are formed on the bottom and outer peripheral wall, and a convex gripping part are formed integrally above the fitting part. A fitting plug, an O-ring for sealing the outer peripheral wall of the fitting portion and the inner peripheral wall of the mounting ring, a filler filled between the gap between the drain port and the mounting ring, and the mounting ring. Because it consists of multiple mounting screws that are screwed into the screw holes for fixing to the drainage pipe, it is universally compatible with drainage ports of various ships with different diameters and shapes, easy to attach and detach, simple structure, In addition, the problem of providing a drain plug device that can withstand long-term use has been solved.

  According to the invention of claim 2, since the inner peripheral wall of the mounting ring is smoothed and the upper peripheral edge is chamfered, the mounting ring and the fitting plug can be smoothly attached and detached.

  According to the third aspect of the present invention, since the mounting ring is made of a material having corrosion resistance and durability, it can be used for a long time.

  According to the invention of claim 4, since the insertion port is formed on the diagonal line at the bottom of the fitting part and on the same line as the convex grip part, it is easy to close and open the plug, It is easy to visually check the closed or opened state.

  According to the fifth aspect of the invention, since the bottom periphery of the fitting portion is a tapered surface, the fitting operation to the inner peripheral wall of the mounting ring is smooth and easy.

  According to the sixth aspect of the present invention, since the annular groove for fitting the O-ring is formed on the upper end outer peripheral wall of the fitting portion, the O-ring is detached from the fitting plug after opening. Can be prevented.

  According to the seventh aspect of the present invention, a hook-engaging through hole is formed in the central portion of the convex gripping portion of the fitting plug, and a loss prevention string or the like is formed at the side end of the convex gripping portion. Since the through-hole for attaching the cable is perforated, it is easy to open the fitting plug, and the fitting plug can be attached with a loss prevention string or the like. The plug will not fall into the sea or be lost during deck cleaning.

  According to the eighth aspect of the invention, since the fitting plug is made of high strength synthetic resin and is integrally molded, mass production is possible and production cost can be reduced.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the best embodiment of a drain opening sealing device according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a state in which main members constituting a drain opening sealing device (hereinafter referred to as a sealing device S) are separated, FIG. 2 is a bottom view of a fitting plug, and FIG. 3 is a circular shape. FIG. 3A shows a state where the sealing device S is attached to the drainage port and an operating state. FIG. 3A is a plan view of the state where the fitting plug is fitted to the attachment ring, and FIG. 1A is a cross-sectional view taken along line 1-1, FIG. 3C is a plan view of the fitting plug rotated and closed, and FIG. 3D is a cross-sectional view taken along line 2-2 in FIG. FIGS. 4 and 4 show a state in which the sealing device S is attached to the elliptical drain and an operating state, and FIG. 4A is a plan view of the state in which the fitting plug is fitted to the fitting ring. (B) is a cross-sectional view taken along line 3-3 in FIG. 4 (A), FIG. 5 is an enlarged cross-sectional view of part A in FIG. 3 (D), and FIG. FIG. 7 (A) and (B) Shape illustration of the drain outlet, FIG. 8 (A) ~ (D) are explanatory views of a conventional discharge port plugging.

  In FIG. 1, reference numeral 1 denotes a mounting ring made of a material having corrosion resistance and durability, for example, stainless steel. The inner peripheral wall 1a is smoothed and the upper peripheral edge 1b is chamfered. A plurality of lock pins 1c and 1d are projected on the diagonal line of the inner peripheral wall 1a. 1e is a screw hole penetrating from the inner peripheral wall 1a to the outer peripheral wall 1f, and is screwed at a plurality of locations. 2 is a fitting plug made of a thermosetting resin such as an epoxy resin, phenol resin, unsaturated polyester resin, urea resin, melanin resin, polyimide, diallyl phthalate, etc. It consists of a fitting portion 2a fitted to the peripheral wall 1a and a convex gripping portion 2b formed integrally above the fitting portion 2a. A through-hole 2c for hook locking is formed in the center of the convex grip 2b, and a through-hole 2d for binding a loss prevention string or the like is formed in the side end. 3 and 4 are O-rings made of a soft resin or rubber material, and 5 is a plurality of mounting screws for fixing the mounting ring 1 to the drain pipe P1, which are screwed into the screw holes of the inner peripheral wall 1a. .

  As shown in FIG. 2, insertion holes 2f, 2h corresponding to the lock pins 1c, 1d of the mounting ring 1 are provided in the bottom 2e of the fitting portion 2a, and the lock pins 1c, 1d are provided on the outer peripheral wall 2i. Are formed with rotation grooves 2j and 2k that respectively rotate by 1/4 turn. An annular groove 2m (see FIGS. 1, 3, and 4) for fitting the O-rings 3 and 4 is formed in the upper end outer peripheral wall of the fitting portion 2a.

  FIG. 3 shows a state in which the mounting ring 1 is fixed to the circular drainage port H1, and reference numeral 6 denotes a filler filled in an air gap M between the drainage port H1 and the mounting ring 1, for example, a three bond of an underwater curing type filling adhesive ( (Registered trademark) (manufactured by Three Bond Co., Ltd.). As shown in FIG. 3A, the lock pins 1c and 1d and the insertion ports 2f and 2h are set so as to be on the same line C of the convex grip portion 2b. 3B, the O-rings 3 and 4 in the annular groove 2m maintain the normal state. In this state, the convex gripping portion 2b is gripped with one hand, and this is moved downward. When pressed down, the O-rings 3 and 4 are crushed. In particular, the O-ring 4 is pressed against the upper peripheral edge 1 b of the mounting ring 1. Subsequently, when the convex grip 2b is rotated 90 ° in the direction of the arrow shown in the figure, the lock pins 1c and 1d are brought into contact with the ends of the rotation grooves 2j and 2k, respectively, and are closed, as shown in FIG. And it will be in the state of FIG.3 (D). When opening the plug, if the convex grip 2b is turned 90 ° in the direction opposite to the arrow, the state shown in FIGS. 3 (A) and 3 (B) is obtained. When locked and pulled upward, the fitting plug 2 is easily detached from the mounting ring 1 and the plugging operation is completed. One end of a loss prevention string (not shown) or the like is inserted into and connected to the through hole 2d, and the other end is connected to a mounting pin or the like provided on the deck to prevent the fitting plug 2 from being lost. .

  When the drain pipe is mounted on the deck D of a ship or the like, the hull outer plate is a swash plate. In this case, an elliptical drainage port H2 is formed as shown in FIGS. The mounting ring 1 is fixed to the inner peripheral wall P2a of the drain pipe P2 via a mounting screw 51 having a predetermined length, and then the filler 6 is filled into the gap M between the mounting ring 1 and the drain port H2. The fitting plug 2 is fitted into the mounting ring 1 after the filler 6 is sufficiently solidified. As shown in FIG. 4A, the lock pins 1c and 1d and the insertion ports 2f and 2h are set so as to be on the same line C of the convex grip portion 2b. The other parts and structure are the same as those shown in FIGS. 1 to 3, and the capping work and capping work are also the same, and the description thereof is omitted. A plurality of kinds of sealing devices S having different diameters are manufactured so as to match the diameter of the drainage port H1 or H2 of various ships.

  FIG. 5 shows an enlarged view of the sealing state of the mounting ring 1 and the fitting plug 2. As shown in the figure, the O-ring 3 in the annular groove 2 m of the fitting portion 2 a enters the inner surface of the mounting ring 1. Since the O-ring 4 is crushed by the upper peripheral edge 1b of the mounting ring 1, the drain port H1 is in a sealed state and prevents oil, water and other contaminants on the deck D from flowing into the drain pipe P1. Can do.

  In order to attach the mounting ring 1 to the drain port H1, first, as shown in FIG. 6, the mounting ring 1 having a diameter slightly smaller than the diameter of the drain port H1 is prepared, and a waste (unused cloth) W or the like is provided in the drain pipe P1. Insert the stuffing, place the prepared mounting ring 1 on the top of the stuffing, adjust the top of the drain pipe P1 and the upper end surface of the mounting ring 1, and then adjust the inner peripheral wall of the mounting ring 1 A mounting screw 5 is screwed and fixed to the inner peripheral wall of the drain pipe P1 with a box wrench (not shown) or the like in each screw hole 1e screwed to 1a. Next, after removing the padding such as waste cloth W from the drain pipe P1 and removing it, the filler 6 is loaded into the gap M between the mounting ring 1 and the drain port H1 (drain pipe P1). This is dried and solidified. The fitting plug 2 is fitted and used after the filler 6 is sufficiently solidified.

  For example, when there are a plurality of drain ports H1 or H2 in a ship or the like, the convex grip 2b and the mounting ring 1 of the fitting plug 2 are set in a certain direction so that the closed and opened state can be visually recognized. Yes.

  The drain opening sealing device according to the present invention can be generally applied to drain outlets in various facilities such as oil terminals as well as drain outlets H1 or H2 of various ships having different diameters and shapes.

These are the perspective views of the state which isolate | separated the main members which comprise the plugging apparatus of the drain outlet based on this invention. FIG. 4 is a bottom view of the fitting plug. (A) is a top view of the state which fitted the fitting plug to the mounting ring by the circular drainage port. FIG. 3B is a cross-sectional view taken along line 1-1 in FIG. (C) is a top view of the state which turned and closed the fitting plug. FIG. 3D is a cross-sectional view taken along line 2-2 in FIG. (A) is a plan view of the oval drainage port with the fitting plug fitted into the mounting ring. (B) is the 3-3 sectional view taken on the line of FIG. 4 (A). It is the A section expanded sectional view in Drawing 3 (D). These are explanatory sectional views at the time of mounting a mounting ring on a drain outlet. (A) And (B) is shape explanatory drawing of a drain outlet. (A)-(D) are explanatory drawings of the conventional drain opening plug.

Explanation of symbols

S Drainage port sealing device D Deck P1, P2 Drainage pipe H1 Circular drainage port H2 Elliptical drainage port M Air gap 1 Mounting ring 1a Inner peripheral wall 1b Upper peripheral edge 1c, 1d Lock pin 1e Screw hole 1f Outer peripheral wall 2 Fitting Plug 2a Fitting portion 2b Convex gripping portion 2c Through hole 2d Through hole 2e Bottom portion 2f, 2h Insert port 2i Outer peripheral wall 2j, 2k Rotating groove 2m Annular groove 3, 4 O-ring 5 Mounting screw 6 Filler

Claims (8)

A sealing device attached to a deck drain of a ship or the like,
A mounting ring formed by projecting a lock pin on a diagonal line of the inner peripheral wall and screwing a plurality of mounting screw holes penetrating from the inner peripheral wall to the outer peripheral wall;
A fitting portion in which an insertion port and a rotation groove corresponding to the lock pin are formed in the bottom portion and the outer peripheral wall, and a fitting plug formed integrally with a convex gripping portion above the fitting portion;
An O-ring sealing the outer peripheral wall of the fitting portion and the inner peripheral wall of the mounting ring;
A filler filled between the gap between the drain and the mounting ring;
A plurality of mounting screws screwed into the screw holes for fixing the mounting ring to the drain pipe;
A drain opening sealing device characterized by comprising:   The drain opening sealing device according to claim 1, wherein the inner peripheral wall of the mounting ring is smoothened and the upper peripheral edge is chamfered.   The drainage cap device according to any one of claims 1 to 2, wherein the mounting ring is made of a material having corrosion resistance and durability.   The drain opening sealing device according to claim 1, wherein the insertion port is formed on a diagonal line at the bottom of the fitting portion and on the same line as the convex gripping portion.   The drain opening sealing device according to any one of claims 1 and 4, wherein a bottom peripheral edge of the fitting portion is a tapered surface.   The drainage according to any one of claims 1 and 4 to 5, wherein an annular groove for fitting the O-ring is formed in the upper end outer peripheral wall of the fitting portion. Mouth sealing device.   A hook hole is formed in the center of the convex gripping portion of the fitting plug, and a through hole for binding a loss prevention string or the like is formed at the side end of the convex gripping portion. The drain opening sealing device according to claim 1, wherein the drain opening sealing device is formed.   The drain plug device according to any one of claims 1 and 4 to 7, wherein the fitting plug is made of a high-strength synthetic resin and is integrally molded.

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