58results about "Ship locking means" patented technology

Systems and processes for closing openings in marine vessel hulls are provided. The systems and processes facilitate repairs and maintenance of marine vessels by closing openings in the marine vessel hulls to permit dry access to compartments in communication with the openings. The processes and systems incorporate a cover constructed from a lightweight material such as fiberglass, a viscoelastic material such as polyethylene or polyurethane, and blends thereof. The cover is guided in place to effectuate closure of the opening by a track device that receives at least two of the peripheral edges of the cover and directs the cover to the proper position to close the hull opening. The cover may be lowered into place by use of a hoisting device such as a davit.

A cover system for a vehicle, such as a boat, including a ratchet and a strap that is in part supported by a frame, such as a canopy frame. The strap cooperates with at least part of the frame to provide support and form to the cover such that water will run off the cover.

The polishing fluid is useful for polishing tantalum-containing barrier materials of a semiconductor substrate. The polishing fluid includes a nitrogen-containing compound having at least two nitrogen atoms comprising imine compounds and hydrazine compounds. The nitrogen-containing compound is free of electron-withdrawing substituents; and the polishing fluid is capable of removing the tantalum-containing barrier materials from a surface of the semiconductor substrate without an abrasive.

A privacy enclosure separate from the vessel hold and having at least one entranceway accessible from outside the hold of the vessel.

The polishing fluid is useful for polishing tantalum-containing barrier materials of a semiconductor substrate. The polishing fluid includes a nitrogen-containing compound having at least two nitrogen atoms comprising imine compounds and hydrazine compounds. The nitrogen-containing compound is free of electron-withdrawing substituents; and the polishing fluid is capable of removing the tantalum-containing barrier materials from a surface of the semiconductor substrate without an abrasive.

A large depth ocean optical device capable of enhancing sealing comprises a glass window, a pre-tightening flange, a pressure resistant shell and a head sealing end cover. The large depth ocean optical device capable of enhancing sealing is characterized in that a sapphire pressure-proof conical optical glass is mounted in a window seat hole in the shell; an optical window flange applies a pre-tightening force to glass through a bolt; and the glass and the shell are sealed through an end surface O-shaped sealing ring and a retainer ring and a radial O-shaped sealing ring and a retainer ring. Apre-tightening force is applied between the head sealing end cover and the shell through a bolt; and the end cover and the shell are sealed by the radial O-shaped sealing ring and the retainer ring and the end surface O-shaped sealing ring and the retainer ring. A spherical cylindrical surface is matched with a pressure resistant flange, the pressure-proof glass and a pressure-proof end cover inappearance to realize pressure resisting. The large depth ocean optical device capable of enhancing sealing has the advantages that the sealing is simple and reliable; the structure is compact; deep sea large-depth 6000 m pressure resisting strength and stability are realized; and the large depth ocean optical device capable of enhancing sealing is suitable for carrying multiple optoelectronic system equipment.

The invention relates to an opening and closing device on a ship, in particular to a hatch cover capable of being quickly opened and closed. The hatch cover includes a hatch fence, and a cover plate is arranged on the hatch fence and hinged to and matched with one side of the hatch fence. A central hole is formed in the cover plate, a sealing device is arranged in the central hole, and a locking device is arranged on the inner side of the cover plate. The hatch cover is characterized in that the locking device includes a planet carrier. An inner gear ring, planet gears and a sun gear which arerotatable and are meshed with one another are arranged in the planet carrier. Locking rods are arranged on one side of the planet carrier, one ends of the locking rods are hinged to the inner gear ring, and the other ends of the locking rods are connected with the cover plate through a guiding mechanism. Locking openings are formed in the inner side of the hatch fence. The locking device is provided with a central shaft passing through the sun gear, the central shaft and the sun gear are fixedly connected, both ends of the central shaft protrude out of the planet carrier, a polygonal blind hole is formed in the end surface, opposite to the cover plate, of the central shaft, and a main hand wheel is fixed to the other end of the central shaft. According to the hatch cover, unlocking operation is simple, required driving force is small, and operating requirements under emergency work conditions can be met.

A privacy enclosure separate from the vessel hold and having at least one entranceway accessible from outside the hold of the vessel.

The present invention relates to a hatch cover for a vessel which comprises a hatch cover which has a rectangular plate shape; a hatch frame which has a rectangular frame shape in order to support the hatch cover; a hatch hinge which is installed on the upper surfaces of the hatch cover and the hatch frame and combines the hatch cover to the hatch frame to be able to rotate; an open protrusion which protrudes in a lateral direction from either the left or the right side surface and rotates to the front by interlocking with the opening operation of the hatch cover; and a side guide bar which has a plate shape extending up and down, whose lower end is coupled to one side of the hatch frame to be able to rotate, where an elongated guide hole is formed along the side surface with the upper part extending further to the back side in order to form a supporting projection, and which is coupled with the open protrusion in order to guide the closing operation of the hatch cover and fix the opening state of the hatch cover. The hatch cover for a vessel can facilitate the opening and closing operation and simply fix the opening state with small power.

A cabin enclosure of a boat which is substantially water proof is provided. The cabin enclosure comprises a top, frame with joists attached to joist covers, plurality of windows, flashing and track which are layered upon each other to cascade water down the top, onto the windows and onto the track and into the river, bay or ocean. The plurality of windows may surround the passenger area of the boat and also prevents water from entering the boat. In particular, the plurality of windows are zippered onto adjacent joist covers so as to form a substantially water proof barrier between the interior and exterior of the boat. The flashing may be attached to the interior of the window with hooks and loops which run horizontally across the window and prevent water that splashes under the window from entering into the passenger area.

A camming dog configured for use with a window having a frame and a hinged lens. The camming dog includes an angled base having a base mounting portion and a handle mounting portion, wherein the base mounting portion is secured to the frame, the base mounting portion is disposed at an angle relative to the handle mounting portion, the angle is less than ninety degrees. The camming dog further includes a handle having an arm boss, wherein the handle is rotationally secured to the handle mounting portion of the angled base and rotates about an axis of rotation. Upon rotation of the handle to an open position, the hinged lens rotates unimpeded past the arm boss and upon rotation of the handle to a closed position, the hinged lens is secured within the frame by the arm boss.

A cabin enclosure of a boat which is substantially water proof is provided. The cabin enclosure comprises a top, frame with joists attached to joist covers, plurality of windows, flashing and track which are layered upon each other to cascade water down the top, onto the windows and onto the track and into the river, bay or ocean. The plurality of windows may surround the passenger area of the boat and also prevents water from entering the boat. In particular, the plurality of windows are zippered onto adjacent joist covers so as to form a substantially water proof barrier between the interior and exterior of the boat. The flashing may be attached to the interior of the window with hooks and loops which run horizontally across the window and prevent water that splashes under the window from entering into the passenger area.

The invention provides a spherical manned cabin submersible cabin cover. The spherical manned cabin submersible cabin cover comprises a cabin cover body, a cabin cover fence, a torsional spring power-assisting connection mechanism, a rotating shaft and a locking mechanism, the cabin cover body is connected with the cabin cover fence through the torsional spring connection mechanism, a cabin coverinner plate is mounted in the cabin cover through a bolt, the rotating shaft is mounted on the axes of the cabin cover body and the cabin cover inner plate and penetrates through the cabin cover bodyand the cabin cover inner plate, an inner hand wheel and an outer hand wheel are arranged at the two ends of the rotating shaft correspondingly, a rotating disc is mounted on the rotating shaft, the locking mechanism is arranged on the rotating disc, the end of the locking mechanism is connected with the cabin cover body, the rotating disc is driven to rotate by rotating the rotating shaft, the locking mechanism is driven to move, and thus the cabin cover body is locked. The problem that the cabin cover fence is formed on a cabin body in a machined mode, consequently, the shell structure is damaged, clamping force is distributed unevenly, and consequently the sealing effect is poor is solved, and the underwater water tightness, reliability and safety of the cabin cover are improved.

The invention discloses a marine louver structure which comprises a base, a window frame, a plurality of blades, a cover plate and a support rod; the window frame is mounted on the base; the blades are arranged on the window frame in parallel at intervals in the length direction of the window frame; the left and right ends of the blades are connected with the left and right ends of the window frame; the upper end of the cover plate is hinged to the window frame; the lower end of the cover plate is locked and covers the window frame; the lower end of the support rod is hinged to the window frame; the support rod is further in sliding fit with the cover plate; and the cover plate can be locked on the support rod through a locking mechanism. The marine louver structure is simple in design andconvenient to operate; the cover plate is opened or closed without tedious dismantling or mounting of a screw, can effectively prevent seawater or rainwater from entering an engine room through the louver and also has the function of being rapidly opened and closed.

The invention provides a hatch cover with internal lock mechanisms, and belongs to the field of ship equipment. By the aid of the hatch cover, the problem of low locking speeds of existing hatches can be solved. The hatch cover with the internal lock mechanisms comprises a coaming, a cover plate, insertion rods, a guide block and an adjusting rod. A first support ring and a second support ring are arranged at the bottom of the cover plate, a plurality of first support holes and a plurality of second support holes are formed in the first support ring and the second support ring, a plurality of fixing grooves are formed in the inner wall of the coaming, the insertion rods are inserted in the first support holes and the second support holes, slide grooves are formed in the walls of the first support holes, sliders which are positioned in the slide grooves are arranged on the walls of the insertion rods, compression springs are arranged between the sliders and the annular walls, which are far away from the axis of the cover plate, of the slide grooves, the top of the guide block is movably connected onto the bottom surface of the cover plate by hinge pins, an inner hexagonal hole is formed in the center of the bottom of the guide block, arc-shaped guide surfaces are arranged on the outer wall of the guide block, the quantity of the arc-shaped guide surfaces is identical to that of the insertion rods, and an outer hexagonal detaching portion which is matched with the inner hexagonal hole is arranged on the top of the adjusting rod. The hatch cover has the advantage that the hatch cover can be quickly locked over long distances by the aid of the adjusting rod.

A novel locking steel door used for a ship comprises a door plate, a door frame, a hinge, a handle, a connecting rod, a rolling head, a pulling handle, a tapered wedge, a sealing strip, a connecting plate, a transmission shaft and a nut. The handle, the connecting rod, the rolling head, the pulling handle, the tapered wedge, the connecting plate, the transmission shaft and the nut are matched with one another to be assembled into a locking transmission device. The door plate adopts a stamping process, regular concave and convex parts are arranged on the surface of the shape of the door plate, and the door plate is provided with an observation window. According to the novel locking steel door used for the ship, the arrangement of the locking transmission device and the design of the door plate are optimized, so that the weight of the door plate of the steel door is significantly reduced, and opening and closing of the steel door are more convenient; and meanwhile, the strength and the stiffness of the door plate are not reduced, and the locking and unlocking functions as well as the working reliability of the steel door are not affected.

The invention relates to the technical field of ships and discloses a ship window anti-theft device. The device comprises a burglar mesh and a socket spanner; the burglar mesh comprises a window frame, a connecting column, a mounting plate, a special-shaped nut, an alarm and a controller; a through hole is formed in the mounting plate; a protective cylinder is arranged on the mounting plate; the mounting plate is arranged at the periphery of the window frame; one end of the connecting column is fixed on the outer side of the bulkhead; one end of the threaded rod sequentially penetrates throughthe through hole and the inner cavity connecting column and is provided with external threads; the special-shaped nut is in threaded connection with the connecting column and presses the mounting plate; an assembling hole matched with the special-shaped nut in shape is formed in a sleeve base on the socket spanner; the window frame comprises an outer frame and movable frame strips; the multiple movable frame strips are evenly and detachably connected at intervals to the inner side of the outer frame; and the outer frame and the movable frame strips are each provided with multiple strain sensors. The anti-theft effect is good, mounting and dismounting are convenient and easy, the outer frame is detachably connected with the multiple movable frame strips, and the maintenance cost can be saved; and when the window frame is damaged, the alarm can give an alarm.

The invention discloses a quick opening and closing sealing cover for a cable observation hole. The quick opening and closing sealing cover comprises a sealing cover base, hinges, a sealing cover sealing mechanism and a quick opening and closing mechanism, wherein the sealing cover base is fixed to a side shell of a mooring area and arranged on the observation hole, and the sealing cover base is connected with the sealing cover sealing mechanism through the hinges. The sealing cover sealing mechanism is used for sealing the observation hole, so that water can be prevented from entering the observation hole. When the sealing cover needs to be opened, by rotating the quick opening and closing mechanism, and the sealing cover sealing mechanism is moved by the hinges, so that the observation hole is opened.

A draw latch (1) for latching together two closure members of a watercraft, which draw latch have an open position, wherein the two closure members are not latched, and a latched position, wherein the two closure members are secured, comprising a keeper (2) arranged to be attached to a first closure member, a base (3) arranged to be attached to a second closure member, a lever (4) pivotally connected to the base (3), a locking member (5), made of elastic material, pivotally connected to the lever (4), and arranged to be affixed to the keeper (2) when the draw latch is in the latched position. The draw latch further comprises a metal housing (6) arranged to cover the keeper, base, lever and elastic locking member against the two closure members when the keeper is attached to the first closure member, the base is attached to the second closure member and the draw latch is in the latched position.

The present invention relates to a hatch assembly for a ship such that a first unit can open a hatch cover rotatably attached to a hatch coaming provided to a ship body with a small force, and a second unit provided to the first unit is configured such that foreign matter or seawater is prevented from flowing into the first unit even when the hatch cover is in an open state. In this way, inflow offoreign matter or seawater can be prevented in advance during opening and closing operation or in an open state, the hatch cover can be easily opened and closed, and the open state of the hatch covercan be stably maintained.

A latch arrangement for a door includes a plurality of steps disposed at an interior of the door. One of the plurality of steps is rotatable relative to the door between a first position and a second position. The door is movable between a closed position and an open position. A latch is in operable communication with the rotatable step. The latch is engageable with a latch receiver to lock the door in the closed position in response to the rotatable step being in the first position. The latch is disengageable from the latch receiver when the step is in the second position thereby allowing the door to move to the open position.

A seal cabin door with multiple anti-theft devices comprises a door frame, a door body and handles, the left side of the door frame is movably connected with the door body through hinges, six handle positioning holes are uniformly formed in the periphery of the door body, the handles penetrate through the handle positioning holes, a positioning block is arranged on the portion making contact with each convex arris, a locking clamping block is fixed to the portion, at the inner side of the door body, of each handle through a bolt, pentagonal bolts are arranged in the handle positioning holes, the pentagonal end of each pentagonal bolt is arranged in a high round ring, the other ends of the pentagonal bolts stretch out of the inner side of the door body and are connected with the locking clamping blocks through threads, a pentagonal spanner matched with each pentagonal bolt is arranged, two transverse reinforcing ribs are arranged at the inner side of the door body, and a lockhole plate with holes is arranged on each reinforcing rib. The anti-theft devices of three types are designed on the door body, the arc edge and flange design is matched with the reinforcing ribs to enhance overall strength design, water-resistant and effective prying-resistant effects are achieved, and the anti-theft function is greatly improved.

The present invention discloses a marine mute door structure. The structure includes a door body on which a door lock is arranged; the door lock includes a guide sleeve, and a lock tongue in sliding arranged in the guide sleeve; the guide sleeve and / or the lock tongue is provided with a first sound attenuation portion located on the contact surface of the guide sleeve and the lock tongue or between the guide sleeve and the lock tongue; and the first sound attenuation portion is made of a non-metal material. In the present invention, the first sound attenuation portion made of the non-metal material is arranged on the contact surface of the lock tongue and the guide sleeve or between the guide sleeve and the lock tongue, so that harsh noise generated due to metal friction can be effectivelyavoided in the expansion and contraction process of the lock tongue; even in the case of insufficient lubrication, noise self-generated in the use of the structure can be as far as possible reduced,and the marine mute door structure has simple structure, low cost, and convenience to popularize and use.

A system for evacuation of personnel from a capsized vessel via a watertight and airtight sluice comprising an inner and an outer escape hatch. The inner escape hatch leads from inside the vessel to an evacuation room, and the room is provided with an outer escape hatch. The outer escape hatch leads out through the bottom hull of the vessel, and each escape hatch, is fitted with a mechanism comprising a sensor, a control center, locking means and a communication interface between the mechanisms. Wherein the sensors read if one of the escape hatches is open or locked, if the sensor reads that an escape hatch is open, it sends a message to its control center, the control center sends this message to the control center on the opposing hatch, the control center on the opposing hatch uses its locking means to make sure the escape hatch cannot be opened.

The invention relates to the technical field of marine parts, and particularly discloses a ventilation shutter for ship. The ventilation shutter comprises a window frame, the inner wall of the window frame is rotatably connected with a shutter face through a rotating shaft, the side face of the window frame is fixedly connected with a fixing shaft, the surface of the fixing shaft is rotatably connected with a driving pipe, and the surface of the driving pipe is fixedly connected with a pushing mechanism. A sealing cover is hinged to the top of the window frame through hinges, and the end, away from the driving pipe, of the pushing mechanism is fixedly connected with the surface of the sealing cover; by means of the driving mechanism, when the sealing cover needs to be closed emergently, only the opened shutter face needs to be closed, the connecting plate connected to the shutter face is utilized, the connecting plate is matched to drive the gear and the gear set to enable the driving pipe to rotate and move along with closing of the shutter face, so that the sealing cover can be closed in the cabin. And the sailors do not need to run to a deck for operation, so that daily use is facilitated for sailors.

A ship rescue compartment comprises a box body, sealing doors and the like. The cubic sealed box body is welded with steel plates; the cubic sealed box body is divided into a larger sealed box body and a smaller sealed box body by a partition steel plate; the partition steel plate and the smaller sealed box body are both equipped with the sealing doors; two sides of each of the two sealing doors are both provided with locking handles at handle positions; an exhaust valve switch is arranged above the sealing door of the smaller sealed box body; the top surface of the larger sealed box body is provided with three short connection pipes; the top surface of the smaller sealed box body is provided with a short connection pipe; a hole is formed in the bottom surface of the larger sealed box body; a rubber ring is connected to the circumference of the hole in an adhesive manner; the steel plate at the bottom surface of the larger sealed box body is provided with outward extension edges, and the outward extension edges of the steel plate is provided with holes; on the other side of the bottom surface of the larger sealed box body, the steel plate, which is next to the larger sealed box body, at the bottom surface of the smaller sealed box body is also provided with holes; a rectangular frame welded by strip-shaped iron plates corresponds to the steel plate on the circumference of the bottom surface of the larger sealed box body; and the edges of the rectangular frame are provided with screw rods corresponding to the holes of the steel plate on the circumference of the bottom surface of the larger sealed box body.

The application discloses a safety door device of a ship engine room shed, which comprises a cabin aisle, an inner door arranged at the entrance of the cabin aisle, an inner protection mechanism arranged in the cabin aisle, an outer protection mechanism connected to the outer wall of the cabin aisle, and an auxiliary mechanism arranged in the outer protection mechanism. When the protection door is closed, the latch plate is inserted into the U-shaped groove, the pull block is pulled outwards, the pull block pulls the spring and drives the plug block to move out of the plug hole, the insertion rod can be inserted into the through hole and the square groove, the insertion rod fixing column latches the plate, thereby fixing the protection door. In addition, the insertion rod is completely immersed in the inner side of the through hole, the insertion rod can be located at the central position of the protection door by using the fact that the pull block is located at the center of the protection door, the two sides of the peripheral frame are prevented from being damaged, the insertion rod can be taken out at will, is far away from the two side edges of the peripheral frame, and the time for opening the protection door is prolonged.