阅读说明：本技术 一种埋入式舱口盖 (Embedded hatch cover ) 是由 何春平 沈正兴 曾丽莎 于 2019-10-28 设计创作，主要内容包括：本发明涉及船舶设备技术领域,公开了一种埋入式舱口盖。埋入式舱口盖包括围板和与所述围板配合的盖板,所述围板包括间隔布置的内围板和外围板,所述外围板用于与船体焊接固定,所述内围板围成与盖板配合的舱口,所述内围板与外围板之间连接有连接板,所述内围板、连接板以及外围板之间围成有安装腔,所述安装腔内安装有弹簧铰链,所述盖板具有超出所述内围板的凸缘,所述凸缘的底面与所述弹簧铰链连接,以使所述盖板关闭舱口时所诉盖板的上表面不高于船体结构。弹簧铰链与盖板上的凸缘的底面连接,弹簧铰链的高度低于盖板的高度,该舱口盖安装在甲板上时,弹簧铰链完全埋入在甲板的下方而不会突出甲板,不占用人员通道,节约了舱室空间。(The invention relates to the technical field of ship equipment, and discloses an embedded hatch cover. Bury formula hatch board include the bounding wall and with bounding wall complex apron, the bounding wall includes interval arrangement's interior bounding wall and outer surrounding plate, outer surrounding plate is used for with hull welded fastening, interior bounding wall enclose with apron complex hatch, be connected with the connecting plate between interior bounding wall and the outer surrounding plate, it has the installation cavity to enclose between interior bounding wall, connecting plate and the outer surrounding plate, install the spring hinge in the installation cavity, the apron has and surpasss the flange of interior bounding wall, the bottom surface of flange with spring hinged joint, so that the upper surface of the apron of telling when the apron closes the hatch is not higher than hull structure. The spring hinge is connected with the bottom surface of the flange on the cover plate, the height of the spring hinge is lower than that of the cover plate, and when the hatch cover is installed on the deck, the spring hinge is completely buried below the deck and cannot protrude out of the deck, so that personnel access is not occupied, and the cabin space is saved.)

1. The utility model provides an bury formula hatch board, including the bounding wall and with bounding wall complex apron, its characterized in that, the bounding wall includes interior bounding wall and the peripheral board of interval arrangement, peripheral board is used for with hull welded fastening, interior bounding wall enclose with apron complex hatch, be connected with the connecting plate between interior bounding wall and the peripheral board, it has the installation cavity to enclose between interior bounding wall, connecting plate and the peripheral board, install the spring hinge in the installation cavity, the apron has and surpasss the flange of interior bounding wall, the bottom surface of flange with spring hinged joint, so that when the hatch is closed to the apron the upper surface of apron is not higher than hull structure.

2. The buried hatch cover of claim 1, wherein the mounting cavity is formed in one side of the cover plate.

3. The buried hatch cover of claim 2, wherein a connecting plate bounding the mounting cavity is connected to a bottom portion of the coaming, and a connecting plate distal from the mounting cavity is connected to a middle portion of the coaming.

4. The embedded hatch cover of any one of claims 1-3, wherein the cover panel is rotatably assembled with a plurality of clips via a shaft, the clips have a locking position for locking the cover panel when the cover panel closes the hatch, the clips further have an unlocking position for unlocking the cover panel by rotating the clips to avoid the inner coaming, and a handle connected to the shaft is further provided on a side of the cover panel facing away from the clips.

5. The buried hatch of claim 4 wherein the cover plate has a receiving slot for receiving the handle, the handle being hinged to the shaft to allow the handle to rotate in a vertical plane.

6. The submerged hatch cover of claim 5, wherein the receiving slot is a scalloped slot.

7. The buried hatch cover according to any one of claims 1-3, wherein a stopper is further disposed between the cover plate and the inner panel at a side close to the installation cavity, the stopper includes a first stopping rod hinged to the cover plate and a second stopping rod hinged to the inner panel, the first stopping rod is hinged to the second stopping rod, the stopper further includes a stopping ring slidably fitted over the first and second stopping rods, the stopping ring has a stopping position for stopping rotation of the first and second stopping rods and a releasing position for releasing the first and second stopping rods during a sliding stroke thereof.

8. The buried hatch cover of claim 7, wherein an end of the second stopping rod near the first stopping rod is provided with a coupling rod for coupling with the first stopping rod, the stopping ring is slidably fitted on the first stopping rod, and the stopping ring locks the coupling rod when in a stopping position.

9. The buried hatch cover according to any of claims 1-3, wherein the cover plate is further provided with a sealing groove on the inner side thereof corresponding to the inner panel, and a sealing strip is disposed in the sealing groove.

10. The buried hatch cover according to any one of claims 1-3, characterized in that the cover plate is further provided with reinforcing ribs on its inner side.

Technical Field

The invention relates to the technical field of ship equipment, in particular to an embedded hatch cover.

Background

The hatch cover is an important component of the ship, is a closing device for various cabin openings, and is a communication device between ship multi-layer decks and used as an escape passage. When the hatch cover on the ship is installed and works, the requirement of opening quickly and labor-saving needs to be met, and a torsion spring is usually equipped as a power assisting device.

The hatch covers used in the cabin at present are generally of three types, the first type is an embedded hatch cover locked by dozens of bolts, the second type is an embedded weathertight hatch cover, the third type is a watertight hatch cover which is opened and closed quickly, a cover plate of the first type is heavy and difficult to mount and dismount, dozens of nuts need to be mounted and dismounted, and the hatch cover is opened with the aid of tools such as chain blocks and is generally only mounted at a hoisting opening for equipment maintenance. The second hatch cover is mainly used for the hatch position outside the ship body, which needs to meet the weather tight requirements, and generally can not be applied to a safe passage. The third hatch cover is provided with a power-assisting spring, can be opened quickly, and is large in use amount in a modern cabin.

The Chinese utility model patent with the grant bulletin number of CN204567995U and the grant bulletin date of 2015.08.19 discloses a fire-resistant watertight hatch cover, which comprises a cover plate, a coaming, a spring hinge device, a hand wheel device, a connecting rod, a first flame-retardant material layer, a second flame-retardant material layer and a flame-retardant adhesive layer; the coaming is used for enclosing a deck at the periphery of the hatch; the cover plate is used for covering the coaming and the hatch and is linked with the coaming through a spring hinge device; the hand wheel device is arranged on the cover plate in a penetrating way and can rotate relative to the cover plate; the first flame-retardant material layer is arranged inside the cover plate; the second flame-retardant material layer is arranged on the inner side of the coaming; the flame-retardant glue layer is arranged on the cover plate and at the covering joint of the cover plate and the coaming; the connecting rod is arranged at the inner end of the hand wheel device relative to the hatch; the inner side of the second flame-retardant material layer is provided with a lock box, the two ends of the connecting rod are movably abutted against the lock box, and the connecting rod can be separated from or abutted against the lock box under the transmission of a hand wheel device so as to correspondingly open or close the cover plate.

Foretell fire-resistant watertight hatch board is when using, connects through spring hinge means between apron and the bounding wall, and when the hatch board was opened, spring hinge means can provide the helping hand for the apron, and the help hatch board is opened fast. But the fire-resistant watertight hatch cover is mainly suitable for the hatch which has higher requirements on the watertight property on the deck outside the ship body, and is not suitable for the hatch inside the ship body; meanwhile, the spring hinge device is higher than the cover plate, and can protrude out of the deck surface when being installed on the deck, so that the space of the cabin which is local and local is occupied, and meanwhile, the passage of personnel in the cabin and the arrangement of equipment are also hindered.

Disclosure of Invention

The purpose of the invention is: the utility model provides an bury formula hatch board to solve the spring hinge device of hatch board among the prior art and stand out on the deck face, also hinder the interior personnel to pass and the problem of arranging of equipment in the cabin space when occupying cabin space.

In order to achieve the purpose, the invention provides an embedded hatch cover, which comprises enclosing plates and a cover plate matched with the enclosing plates, wherein the enclosing plates comprise inner enclosing plates and outer enclosing plates which are arranged at intervals, the outer enclosing plates are used for being welded and fixed with a ship body, the inner enclosing plates enclose a hatch matched with the cover plate, a connecting plate is connected between the inner enclosing plates and the outer enclosing plates, an installation cavity is enclosed among the inner enclosing plates, the connecting plate and the outer enclosing plates, a spring hinge is installed in the installation cavity, the cover plate is provided with a flange which exceeds the inner enclosing plates, and the bottom surface of the flange is connected with the spring hinge, so that the upper surface of the cover plate is not higher than the structure of the ship body when the cover plate closes the hatch.

The mounting cavity is formed on one side of the cover plate. The connecting plate which encloses the mounting cavity is connected with the bottom of the inner enclosing plate, and the connecting plate which is far away from the mounting cavity is connected with the middle part of the inner enclosing plate.

The cover plate is rotatably provided with a plurality of clamping buckles through a rotating shaft, the clamping buckles are provided with locking positions which are blocked with the inner coaming to lock the cover plate when the cover plate closes the hatch in a rotating stroke, the clamping buckles are also provided with unlocking positions which rotate to avoid the inner coaming to unlock, and one side of the cover plate, which is far away from the clamping buckles, is further provided with a handle connected with the rotating shaft.

The cover plate is provided with a containing groove for containing the handle, and the handle is hinged with the rotating shaft so that the handle can rotate in a vertical plane.

The holding tank is a fan-shaped tank.

The side, close to the installation cavity, between the cover plate and the inner surrounding plate is further provided with a stopper, the stopper comprises a first stopping rod hinged with the cover plate and a second stopping rod hinged with the inner surrounding plate, the first stopping rod is hinged with the second stopping rod, the stopper further comprises a stopping ring assembled on the first stopping rod and the second stopping rod in a sliding mode, and the stopping ring is provided with a stopping position stopping rotation of the first stopping rod and the second stopping rod and a releasing position releasing the first stopping rod and the second stopping rod in the sliding stroke.

One end of the second stop rod, which is close to the first stop rod, is provided with a joint rod for being jointed with the first stop rod, the stop ring is assembled on the first stop rod in a sliding mode, and the joint rod is locked when the stop ring is located at the stop position.

The inner side of the cover plate is also provided with a sealing groove corresponding to the inner surrounding plate, and a sealing strip is arranged in the sealing groove.

And reinforcing ribs are further arranged on the inner side of the cover plate.

Compared with the prior art, the embedded hatch cover has the beneficial effects that: enclose into the installation cavity between interior bounding wall, outer surrounding plate and the connecting plate, the spring hinge is arranged in the installation cavity, and the spring hinge is connected with the bottom surface of the flange on the apron, and the height that highly is less than the apron of spring hinge, when this hatch board was installed on the deck, the spring hinge buries completely in the below on deck and can not stick out the deck, does not occupy personnel's passageway, has practiced thrift cabin space.

Drawings

FIG. 1 is a schematic structural diagram of a buried hatch cover according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the flush hatch of FIG. 1;

fig. 3 is a state view of a stopper when the buried hatch of fig. 1 is opened;

fig. 4 is a state view of a stopper when the buried hatch of fig. 1 is closed;

figure 5 is a cross-sectional view of the stop ring and first stop bar of the stop of figure 3.

In the figure, 1, a cover plate; 11. a flange; 12. reinforcing ribs; 13. a sealing plate; 14. a sealing strip; 15. accommodating grooves; 2. enclosing plates; 21. an inner coaming; 22. a peripheral plate; 23. a connecting plate; 3. a spring hinge; 4. a stopper; 41. a first stopper rod; 42. a second stopper rod; 43. a fitting rod; 44. a snap ring; 5. a mounting cavity; 6. a rotating shaft; 7. clamping and buckling; 8. a handle.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

A preferred embodiment of a buried hatch cover of the present invention, as shown in fig. 1 to 5, includes a coaming 2, a cover plate 1, a spring hinge 3, and a stopper 4, the coaming 2 being for welded fastening with a deck of a ship hull, the coaming 2 forming a support structure of the buried hatch cover. The cover plate 1 is used for being matched with the coaming 2 to open or close the hatch, the inner side of the cover plate 1 is fixedly welded with a reinforcing rib 12, the reinforcing rib 12 is of a cross structure, and the reinforcing rib 12 can increase the structural strength of the embedded hatch cover.

The coaming 2 is arranged perpendicularly with apron 1, and coaming 2 includes interior coaming 21 and the outer surrounding plate 22 of interval arrangement, passes through connecting plate 23 welded connection between interior coaming 21 and the outer surrounding plate 22, and outer surrounding plate 22 is used for with hull welded fastening to support whole hatch board structure, and interior coaming 21 encloses into the hatch, and apron 1 can open or close the hatch with interior coaming 21 cooperation.

Enclose into installation cavity 5 between inside boarding 21, outer surrounding plate 22 and the connecting plate 23, installation cavity 5 shaping is in the one side of apron 1, and spring hinge 3 arranges in installation cavity 5, and installation cavity 5 forms the installation space that is used for installing spring hinge 3 to avoid spring hinge 3 to arrange in the outside of apron 1. The center of the peripheral plate 22 deviates from the center of the inner enclosing plate 21, namely, the interval between the peripheral plate 22 and the inner enclosing plate 21 is unequal on two sides of the cover plate 1, and the interval between the inner enclosing plate 21 and the peripheral plate 22 on the side where the mounting cavity 5 is formed is larger than the interval on the side where the mounting cavity 5 is not formed; it is possible to reduce the interval between the outer peripheral panel 22 and the inner peripheral panel 21, which do not form the mounting chamber 5, and to increase the structural strength of the hatch. The connecting plate 23 that encloses into installation cavity 5 is connected with the bottom of interior hoarding 21, and the connecting plate 23 that does not form installation cavity 5 is connected with the middle part of interior hoarding 21, can reduce the distance between connecting plate 23 and the apron 1 to increase hatch board's structural strength.

The cover plate 1 is provided with a flange 11 which extends beyond the inner enclosing plate 21 and towards the mounting cavity 5, the bottom of the flange 11 is connected with the spring hinge 3, and when the cover plate 1 is opened, the spring hinge 3 applies assistance force to the cover plate 1 through the flange 11 and can push the cover plate 1 to be opened quickly. The spring hinge 3 is connected with the bottom of the flange 11, so that the spring hinge 3 is positioned in the installation cavity 5, the height of the spring hinge 3 is lower than that of the cover plate 1, when the hatch cover is installed on a deck, the spring hinge 3 is completely buried below the deck and cannot protrude out of the deck, personnel access is not occupied, and the cabin space is saved. When the cover plate 1 closes the hatch, the upper surface of the cover plate 1 is flush with the hull structure.

Sealing plates 13 arranged at intervals are also vertically arranged on the inner side of the cover plate 1, an annular sealing groove is formed between the two sealing plates 13, and an annular sealing strip 14 is installed in the sealing groove. The position of the sealing groove corresponds to that of the inner coaming 21, when the cover plate 1 closes the hatch, the top of the inner coaming 21 is pressed and contacted with the sealing strip 14, the sealing performance between the cover plate 1 and the inner coaming 21 is increased, and the sealing performance of the embedded hatch cover is increased.

Four clamping buckles 7 are rotatably assembled on the cover plate 1 through the rotating shaft 6, the four clamping buckles 7 are uniformly distributed on the cover plate 1, and in other embodiments, two, three, five and the like can be provided for the clamping buckles 7. The rotating shaft 6 is arranged perpendicular to the cover plate 1, and the clamping buckle 7 is perpendicular to the rotating shaft 6. In the rotation stroke of the clip 7, when the hatch is closed by the cover plate 1 and the end part of the clip 7 is blocked with the inner coaming 21, the cover plate 1 can not be opened to close the hatch, and at the moment, the clip 7 locks the cover plate 1 to be positioned at the locking position; when the end of the clip 7 is rotated to clear the inside closure 21, the cover 1 can be opened by rotating about the spring hinge 3, with the clip 7 unlocked and in the unlocked position.

The rotating shaft 6 is also hinged with a handle 8, the handle 8 is arranged on one side of the cover plate 1, which is far away from the clamping buckle 7, and the handle 8 can rotate in a vertical plane, namely, the handle 8 is of an invertible structure. Holding tank 15 that is used for holding handle 8 is offered at the top of apron 1, pivot 6 is arranged in holding tank 15, can laminate in the tank bottom of holding tank 15 when handle 8 rotates, and handle 8 is less than holding tank 15's notch this moment, and handle 8 hides in holding tank 15, does not stand out in 1 tops of apron of hatch board, can avoid handle 8 to occupy the cabin space, and handle 8 does not influence the arrangement of personnel's the current and equipment yet simultaneously. The holding groove 15 is a fan-shaped groove, the rotation angle of the clip 7 between the locking positions in unlocking is less than 360 degrees, and the fan-shaped groove can meet the rotation angle of the handle 8 and simultaneously can ensure the structural strength of the cover plate 1. The included angle between the unlocking position and the locking position is 90 degrees, if an operator is positioned above the hatch cover, the four handles 8 are erected in sequence and rotate 90 degrees clockwise, and the hatch cover can be pulled open; if a person rotates the clamp fasteners 790 degrees in sequence under the hatch cover, the hatch cover can be pushed open.

The stopper 4 is arranged on one side of the cover plate 1 and the inner surrounding plate 21 close to the mounting cavity 5, the stopper 4 comprises a first stopping rod 41, a second stopping rod 42 and a stopping ring 44, the first stopping rod 41 and the second stopping rod 42 are hinged with each other, the other end of the first stopping rod 41 is hinged with the cover plate 1, and the other end of the second stopping rod 42 is hinged with the inner surrounding plate 21. The stop ring 44 is slidably fitted on the first stop lever 41, the first stop lever 41 has a T-shaped cross section, and the stop ring 44 has a flange engaged with the first stop ring 44 to be slidably engaged with the first stop lever 41.

An abutting rod 43 is disposed at an end of the second stopping rod 42 close to the first stopping rod 41, and the abutting rod 43 is used for abutting against the first stopping rod 41 when the flush hatch is opened. After the flush hatch cover is opened, an operator can push the stop ring 44 to slide on the first stop rod 41 and approach the second stop rod 42, when the stop ring 44 locks the joint rod 43, the first stop rod 41 and the second stop rod 42 cannot rotate, at this time, the stop ring 44 locks the connection point of the first stop rod 41 and the second stop rod 42 so as to prevent the first stop rod 41 and the second stop rod 42 from rotating, and at this time, the stop ring 44 is located at a stop position. When the embedded hatch cover needs to be closed, an operator can push the stop rod to slide on the first stop rod 41 and move away from the second stop rod 42, when the stop ring 44 releases the attaching rod 43, the stop ring 44 avoids a connection point of the first stop rod 41 and the second stop rod 42, the first stop rod 41 and the second stop rod 42 can rotate, the stop 4 is released at the moment, and the stop ring 44 is located at a release position. The stop dog 4 can carry out spacing to apron 1 when this formula of buryying hatch board is opened, and it is more laborsaving when the hatch board is opened.

In summary, the embodiment of the invention provides an embedded hatch cover, wherein an installation cavity is defined by an inner coaming, an outer coaming and a connecting plate, a spring hinge is arranged in the installation cavity, the spring hinge is connected with the bottom surface of a flange on a cover plate, the height of the spring hinge is lower than that of the cover plate, when the hatch cover is installed on a deck, the spring hinge is completely embedded below the deck without protruding out of the deck, so that personnel access is not occupied, and the cabin space is saved.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.