JPS59160689A - Hatch cover - Google Patents

Abstract

PURPOSE:To maintain a water-tight performance regardless of vessel's pitching and rolling and thermal deformation by attaching a gasket to the side wall of a cover body in a watertight manner through a resilient material, the gasket being pressed against a compression bar on a top plate and movable in relation to a cross member under the cover. CONSTITUTION:A gasket 15 which is pressed against a compression bar 16 on a hatch coaming top plate 12 is attached to the lower surface, and the second cross member 2 is provided which at its upper end is connected to the upper rim of the side wall 3 of a hatch cover body through a resilient material 5 such as rubber in a watertight manner. It is so constructed that a displacement is allowed in relation to the first cross member under the hatch cover body through a flange 7 of the second cross member. In this manner, in response to the vessel's pitching and rolling and thermal deformation at the hatch opening, the gasket 15 forming the watertight structure displaces to follow such so that the watertight condition may be maintained at all times.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mesh lid, and more specifically, a watertight side chain mechanism is provided between the lower edge portion of the vertical wall of the palate supported on the upper part of the mesh edging material and the upper surface of the mesh edging material. The applicant of the present application has previously proposed that even if deformation occurs in the mesh rim material due to hogging, sagging, torsion, etc. applied to the hull during ocean voyage, this deformation is always absorbed and the lower surface of the mesh lid and the mesh rim material A mechanism for watertight sealing between the top surface and
It was published in issue 6. However, hogging, sagging, and torsion are not the only things that deform the upper part of the hull edge material relative to the gasket on the lower surface of the hull roof during ocean voyages. RACKING MOMENT (RACKING M)
OMENT), deformation applied when the hull moves up and down (HEAVING), and thermal deformation. That is,
Deformation of the mesh edge material relative to the gasket on the underside of the mesh lid occurs in the length, width and depth directions of the hull. Therefore, the mechanism that securely presses the gasket on the underside of the mesh lid against the compression bar on the mesh edge material and maintains the water at all times during voyages must be able to absorb the deformation of the water member during the above three directions. Must be. The present invention is aimed at solving this type of problem that arises with hull closures during ocean voyages.

The purpose of the present invention is to prevent hogging, sagging, and torsion that may be applied to a ship's hull during offshore voyages, as well as to reduce the effects of racking moments, heaving movements, or thermal expansion on the ship's length, width, and depth. To absorb the relative deformation of the eyelid and the lower surface of the eyelid and securely press the gasket on the compression bar on the eyelid rim to constantly seal watertightly between the eyelid and the eyelid rim. The goal is to serve those with a deceptive palate.

According to the present invention, there is provided a shaft palate main body in which a side wall with a stringer (hereinafter referred to as a first stringer) attached to the lower end is placed approximately on top of the berth material, and a compression plate on the top plate of the berth material. To attach the gasket that is pressed against the bar to the lower surface, the upper end is watertightly connected to the upper edge of the side wall of the palate main body through a flexible material such as a thin plate, rubber plate, or strong woven fabric, and the upper end of the mesh edging material is attached. a second longitudinal member removably tightened to the front longitudinal member, the second longitudinal member being displaced relative to the first forward longitudinal member in the directions of the length, width and depth of the ship, respectively; A @D lid is obtained, which is characterized by having a flange mechanism that engages smoothly.

Now, the attached drawings, which are examples of the apparatus of the present invention, will be explained as follows.

Referring to FIG. 1, there is shown 7 a stitched edging material 11 and a dramatic palate 10 of the present invention attached thereto. The biliary palate 10 of the present invention has a mesh in which the side wall 3 with the stringer 4 (hereinafter referred to as the first stringer) attached to the lower end is placed on top of the support member 13 located approximately at the upper end of the mesh rim 11. Lid body 1,
The upper end is attached to the upper side edge of the mesh lid body 1 through a flexible material such as a thin plate, a rubber plate, or a strong woven fabric. A vertical plate 6 is watertightly connected to the top plate 12 of the shaft rim, and a second longitudinal member 2 is removably tightened by a crease 14. The first stringer 4 is a strip-shaped flat plate that is horizontally attached to the lower end of the side wall 3 of the mesh lid main body 1 and extends in the length direction of the hull. The second stringer 2 is composed of a band-shaped horizontal plate having a vertical groove 9 on its lower surface into which the upper end of the support member 13 is fitted, and has a horizontal flange attached to the upper part of the half-width part. A horizontal groove 8 having a depth D is formed between the flange and the second vertical passage 2, and this groove 8
The right side edge of the first stringer 4 and the portion adjacent thereto are slidably fitted into the right side edge of the first stringer 4. The width L of the groove 8 is set so that a gap l of a predetermined value is formed between the right end of the first stringer 4 and the right end of the groove 8, and the depth D of the groove 8 is set so that a gap l of a predetermined value is formed between the right end of the first stringer 4 and the right end of the groove 8. The dimensions are such that a predetermined gap d can be obtained between the upper surface of the slope member 4 and the lower surface of the flange. The second stringer 2 has a first
The stringer 4 is supported slidably in the longitudinal direction of the hull.

The second rope member 2 has a vertical plate 6 fixed to its right end. A socket 18 accommodating the gasket 15 is attached to the lower surface of the second stringer 2. The cleat 14 is latched to a supporting metal fitting 12A sloped on the lower surface of the top plate 12 of the top plate 12 at the lower end, and the upper end is attached to the bare metal fitting 1 attached to the vertical plate 6 of the second longitudinal member 2.
Gasket 1 of the second stringer 2 by locking with 9
5 to the compression bar 16 on the top plate 12 of the stitched edge material.
Press it against the

As shown in FIG. 1, the second stringer 2, which slidably supports the first stringer 4 on the upper surface and is slidably supported on the support member 13 on the lower surface, includes the mesh edge material 11 and the top plate. 1
The deformations due to hogging, sagging and torsion of the vessel of 2 are not transferred to the palatal body 1, and the gasket 15 prevents the flexible material 5 and the first and second stringers 4, 2 from being transferred to the palatal body 1. Gasket 15 because it is connected through the sliding surface
The mesh lid main body 1 does not restrict the movement of the mesh lid body 1 in synchronization with the compression bar 16, and deformation of the mesh edge material 11 and the top plate 12 in the longitudinal direction of the boat can be absorbed.

Furthermore, even if the gasket 15 deforms along with the compression bar 16 in the width direction of the ship when subjected to a racking moment due to ocean waves, the second stringer 2 will not move in the horizontal direction relative to the first stringer 4. Since the gasket 15 and the compression bar 16 move within the range of the gap 1, the deformation of the gasket 15 and the compression bar 16 is not prevented by the shaft palatal body 1. That is, the gasket 15 can absorb the lateral deformation of the compression bar 16 and the outlet strand 11 in its own way and in a locked state. Furthermore, even when the hull heaves in waves, if the gap d mentioned above is sufficient, the gasket 15 and compression bar 16
The mesh lid main body 1 does not impede integral deformation with the mesh lid body 1. That is, the gasket 15 can absorb the deformation of the advancing edge member 11 and the compression bar 16 due to the heaving of the ship's hull, while remaining in a locked state. To summarize the above, it can be said that the outlet width 10 of the present invention has a water mouth closure that can three-dimensionally prevent the influence of waves during ocean voyages.

FIG. 2 shows a modified embodiment of the device shown in FIG.
and second stringers 20, 21 are comprised of elongated horizontal plates bent into a U-shape and fitted into each other. That is, the second stringer 21 has a U-shaped cross section.
The pocket portion 24 is opened on the left side, and the lower blade or flange 20 of the first stringer 20 is inserted into the pocket portion 24.
A is slidably fitted. This embodiment differs from the embodiment shown in FIG. 1 in that the first stringer 20 has a "pocket" 26 opening on the right side, and the upper flange 23 of the second stringer 21 is slidably fitted into the pocket 26. differ.

The second longitudinal member 21 slidably supports the first longitudinal member 20 by the respective upper surfaces of the two legs forming a U-shaped cross section, namely the flat plate portion 21A and the flange 23, and deforms the gasket 15. It is similar to the anastomosis shown in FIG. 1 that the gasket 15 absorbs the longitudinal deformation of the mesh edge material 11 and the compression bar 16 so that it is not restrained by the side palate body 1. In addition, a horizontal gap l and a vertical gap d are provided between the first and second stringers 20 and 21 which are fitted together, and the gasket 15 is provided with a horizontal gap d based on the racking moment. It is the same as in the case of FIG. 1 that the deformation of the mouthpiece rim 11 and the vertical deformation of the crest rim 11 due to heaving can be absorbed.

FIG. 3 shows yet another modified embodiment of the embodiment shown in FIG. The 31st section is a single 7-band flat plate that is fitted into the bosom 34 of the first slope member 30, and the first longitudinal section 30 has a long hole 35 having a width l.
This embodiment differs from the embodiment shown in FIG. 1 in that the vertical bottle 37, which is provided with a long hole 35 and is fed through the elongated hole 35, is positioned several times in a position close to the left end of the second longitudinal member 31. However, the second longitudinally extending member 31
The first longitudinal member 30 is slidably supported on its upper surface, and the caskerat 15 absorbs the deformation of the port edge member 11 due to the deformation in the longitudinal direction of the ship, which is similar to the embodiment shown in FIG. be.

Also, due to the width l of the elongated hole 35 of the first slope member 30, the first and second longitudinal members 30, 31 move horizontally relative to each other, causing the gasket 15 to be exposed to the outlet material due to the racking moment caused by waves. In addition, a gap d is provided between the lower surface of the bosom 34 of the first longitudinal member 30 and the lower surface of the first longitudinal member 31, and the gasket 15 is designed to absorb the deformation of the ship due to waves. Absorbing the deformation of the edge material 11 is the same as in the embodiment shown in FIG.

As described above, the present invention can prevent deformation of the side rib material in the three directions mentioned above due to the strain in the three directions of length, width, and depth that is applied to the hull during ocean voyage. The gasket 15 is constantly and reliably pressed into contact with the compression bar 16, and a watertight seal is completely achieved, so that a double-mesh lid is obtained.

[Brief explanation of drawings]

1 is a detailed sectional view showing an embodiment of the device of the invention; FIG. 2 is a sectional view showing a modification of the embodiment of FIG. 1; and FIG. 3 is a sectional view showing another modification of the embodiment of the first factor. FIG. 1 Outlet lid main body 2 Second stringer 3 Side wall 4 First stringer 5 Plastic material 6 Vertical plate 7 Flange 8 Concave groove 9 Vertical groove 10 Device of the present invention 11 Outlet rim 12 Outlet rim top plate 13 Obstruction member 14 Cleat 15 Gasket 16 Compression bar 17 Bracket 18 Socket 19 Fixture 20 First stringer 21 Second stringer 22 Vertical plate 23 Flange 24 Arm 25 Flange 26 Arm 27 Plastic material 30 First stringer 31 Second longitudinal Thread 32 Vertical plate 33 Flange 34 Bottle 35 Long hole 36 Plastic material 37 Bin

Claims (1)

[Claims] The main body of the mesh lid has a side wall with a longitudinal member (hereinafter referred to as the first stringer) attached to the lower end almost on top of the mesh edge material, and a gasket that is pressed against the compression bar on the top plate of the aged edge material. Attaching to the lower surface, the upper end is watertightly connected to the upper edge of the wall of the palate main body through a flexible material such as a thin plate, rubber material, or strong woven fabric, and is detachably tightened to the top plate on the side of the mesh edge. 2 longitudinals, and a second longitudinal member engages the first longitudinal member so as to be able to displace its length, breadth and depth of the ship relative to said first longitudinal member. The velum of the mouth is characterized by the presence of a palate.