Anti-pirate door lock of ship cabin door

The motor-driven locking mechanism enables rapid locking and unlocking of ship hatches, solving the problem of complex and time-consuming operation in existing technologies and improving the safety of the hatches and their ability to resist violent damage.

CN223753856UActive Publication Date: 2026-01-02NANTONG HAIMEN HUJIANG FILTRATION EQUIP CO LTD
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Patent Information

Application Number
CN202422627672.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2026-01-02
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing anti-piracy locks on ship hatches are complex to operate and take a long time to close, which pirates may take advantage of to force their way into the cabin, threatening the safety of crew and property.

Method used

The locking mechanism, driven by a motor, uses a microcontroller to control motor one and motor two, enabling rapid locking and unlocking of the hatch, simplifying the operation process, and enhancing the stability of the locking structure and its ability to resist violent damage.

Benefits of technology

It significantly shortens the hatch locking time, improves the safety and stability of the hatch, and can effectively resist external impacts from all directions, ensuring the safety of the ship's cabins.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ship cabin door anti-piracy door lock which comprises a door frame, a groove is formed in the middle of the door frame, an adjustable cabin door is arranged in the groove, avoiding grooves are formed in the left side and the right side of the cabin door respectively, fixing grooves are formed in the left inner wall and the right inner wall of the door frame respectively, and the ship cabin door anti-piracy door lock further comprises a locking mechanism. The locking mechanism comprises supporting columns, top blocks, sliding rods and sliding blocks, the sliding rods are arranged on the upper inner wall and the lower inner wall of the cabin door respectively, the sliding blocks are slidably connected to the outer portions of the sliding rods respectively, the supporting columns are arranged on the inner wall of the rear side of the cabin door respectively, and the top blocks are rotatably connected to the front ends of the supporting columns respectively. The cabin door can be rapidly locked, the stable and balanced locking structure in the cabin door can effectively resist external force impact from all directions, the resistance of the cabin door to violent damage is greatly improved, and the safety of the ship cabin is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ship cabin door lock technical field, concretely is ship cabin door anti -piracy lock. BACKGROUND

[0002] The ship cabin door is the door structure installed at the entrance and exit of various cabins of the ship, which plays an extremely important role in the operation and use of the ship. In the operation of the ship, the cabin door can resist the attack of pirates to a certain extent. By using high-strength materials to make the cabin door, installing a firm anti-pirate door lock and setting other anti-theft measures, pirates can be prevented from forcibly entering the cabin of the ship.

[0003] The existing ship cabin door anti-pirate door lock closes the cabin door hinged by hinges, rotates the handles around the back side of the cabin door, and makes the locking block contact with the door frame to realize the locking of the cabin door.

[0004] The existing ship cabin door anti-pirate door lock needs to rotate each handle in turn after closing the cabin door, which is relatively complex and time-consuming. Pirates may break through the cabin door that has not been completely locked and enter the cabin, which threatens the life safety of the crew and the property safety of the ship. Therefore, we propose a ship cabin door anti-pirate door lock. CONTENT OF THE UTILITY MODEL

[0005] The utility model solves the technical problem of overcoming the defects of the prior art and provides a ship cabin door anti-pirate door lock, which greatly shortens the time required for locking the cabin door, can quickly lock the cabin door, has a stable and balanced locking structure inside the cabin door, can effectively resist external force impact from all directions, greatly improves the resistance of the cabin door to violent destruction, and ensures the safety of the cabin of the ship. The utility model can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a ship cabin door anti-pirate door lock, comprising a door frame, a recess is formed in the middle of the door frame, an adjustable cabin door is arranged in the recess, avoiding grooves are formed in the left and right sides of the cabin door, fixing grooves are formed in the left and right inner walls of the door frame, and a locking mechanism is further included.

[0007] The locking mechanism comprises a support, a top block, a sliding rod and a sliding block. The upper and lower inner walls of the cabin door are respectively provided with a sliding rod, the outer part of the sliding rod is respectively connected with a sliding block through sliding connection, the rear inner wall of the cabin door is respectively provided with a support, the front end of the support is respectively connected with a top block through rotation, one end of the top block near the center of the door frame is respectively connected with the front side of the sliding block on the rear side through rotation, and the top block is installed in cooperation with the fixing groove. The utility model greatly shortens the time required for locking the cabin door, can quickly lock the cabin door, has a stable and balanced locking structure inside the cabin door, can effectively resist external force impact from all directions, greatly improves the resistance of the cabin door to violent destruction, and ensures the safety of the cabin of the ship.

[0008] Further, the outside of the door frame is provided with a single-chip microcomputer, the input end of the single-chip microcomputer is electrically connected with an external power supply, and each electric appliance is electrically connected.

[0009] Further, the locking mechanism further comprises a rotating column, a rotating block and connecting rods, the middle part of the rear side wall of the hatch door is provided with the rotating column, the front end of the rotating column is fixedly connected with the rotating block, and the left and right ends of the rotating block are rotatably connected with the connecting rods, the ends, away from the center of the door frame, of the connecting rods are rotatably connected with the front surfaces of the adjacent front and rear sliding blocks, and the stability of locking is achieved.

[0010] Further, the locking mechanism further comprises a first motor, the first motor is arranged on the rear side of the hatch door, the output shaft of the first motor is fixedly connected with the rear end of the rotating column, and the input end of the first motor is electrically connected with the output end of the single-chip microcomputer, so that the locking driving is provided.

[0011] Further, the inner wall of the groove is tightly fitted with the outer wall of the hatch door, and the gap between the hatch door and the door frame is reduced.

[0012] Further, the rear side of the door frame is provided with supporting blocks, a rotating rod is rotatably connected between the two supporting blocks, the outer part of the rotating rod is provided with L-shaped connecting rods, the rear side of the hatch door is provided with U-shaped seats, the left ends of the L-shaped connecting rods are rotatably connected with the inner walls of the U-shaped seats located on the same horizontal line, and the stability of opening and closing the hatch door is achieved.

[0013] Further, the utility model further includes a second motor, a driven gear is sleeved on the middle part of the rotating rod, the second motor is arranged on the rear side of the door frame, the output shaft top of the second motor is fixedly connected with a transmission gear, the transmission gear is meshedly connected with the driven gear, the input end of the second motor is electrically connected with the output end of the single-chip microcomputer, and the opening and closing hatch door driving is provided.

[0014] Compared with the prior art, the ship hatch door anti-pirate lock has the following advantages:

[0015] Through the driving of the first motor, the rotating block drives the connecting rod to start rotating, the connecting rod pushes the sliding block to slide on the sliding rod, the top block rotates under the limiting support of the support column, one end of the top rod extends into the inside of the fixed groove, the locking of the hatch door is achieved, it is not necessary to rotate each handle in sequence to lock the hatch door, the operation process is relatively simple, the time consumption is short, the inside of the hatch door is stably and evenly locked, and the safety of the ship cabin is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the rear side of the utility model;

[0018] Fig. 3The front side of the utility model is cut open.

[0019] In the drawing: 1 door frame, 2 hatch door, 3 single-chip microcomputer, 4 support block, 5 rotating rod, 6 locking mechanism, 61 support column, 62 top block, 63 sliding rod, 64 sliding block, 65 rotating column, 66 rotating block, 67 connecting rod, 68 motor one, 7 L-shaped connecting rod, 8 U-shaped seat, 9 driven gear, 10 motor two, 11 transmission gear, 12 fixed groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: ship hatch door anti-pirate lock, including door frame 1, recess is set in the middle part of door frame 1, adjustable hatch door 2 is arranged in the inside of recess, avoiding slot is respectively set in the left and right sides of hatch door 2, fixed groove 12 is respectively set in the left and right inner walls of door frame 1, further include locking mechanism 6, the outside of door frame 1 is equipped with single-chip microcomputer 3, the input end of single-chip microcomputer 3 is electrically connected with external power supply, the rear side of door frame 1 is respectively equipped with support block 4, rotating rod 5 is rotatably connected between two support blocks 4, L-shaped connecting rod 7 is respectively arranged on the outside of rotating rod 5, U-shaped seat 8 is respectively arranged on the rear side of hatch door 2, the left end of L-shaped connecting rod 7 is rotatably connected with the inner wall of U-shaped seat 8 located on the same horizontal line, further include motor two 10, driven gear 9 is sleeved in the middle part of rotating rod 5, motor two 10 is arranged on the rear side of door frame 1, the output shaft top end of motor two 10 is fixedly connected with transmission gear 11, transmission gear 11 is engagedly connected with driven gear 9, the input end of motor two 10 is electrically connected with the output end of single-chip microcomputer 3, in order to prevent pirate intrusion when ship hatch door needs to be closed, through the regulation and control of single-chip microcomputer 3, motor two 10 starts to operate, output shaft will drive transmission gear 11 to start operating, through the engaged driven gear 9, rotating rod 5 starts to rotate, rotating rod 5 will drive L-shaped connecting rod 7 to pull hatch door 2 to the inside of door frame 1, so that avoiding slot is aligned with fixed groove 12, through the regulation and control of single-chip microcomputer 3, motor two 10 reverses, so that rotating rod 5 rotates, L-shaped connecting rod 7 promotes hatch door 2 to push outwards;

[0022] The locking mechanism 6 comprises a support column 61, a top block 62, a sliding rod 63 and a sliding block 64. The upper and lower inner walls of the hatch door 2 are respectively provided with the sliding rods 63, the outer parts of the sliding rods 63 are respectively connected with the sliding blocks 64 in a sliding mode, the rear inner walls of the hatch door 2 are respectively provided with the support columns 61, the front ends of the support columns 61 are respectively connected with the top blocks 62 in a rotating mode, the ends of the top blocks 62 close to the center of the door frame 1 are respectively connected with the front sides of the sliding blocks 64 in a rotating mode, the top blocks 62 are installed in cooperation with the fixed grooves 12, the locking mechanism 6 further comprises a rotating column 65, a rotating block 66 and a connecting rod 67, the middle part of the rear wall of the hatch door 2 is provided with the rotating column 65, the front end of the rotating column 65 is fixedly connected with the rotating block 66, the left and right ends of the rotating block 66 are respectively connected with the connecting rods 67 in a rotating mode, the ends of the connecting rods 67 away from the center of the door frame 1 are respectively connected with the front surfaces of the sliding blocks 64 adjacent to the front and rear in a rotating mode, the locking mechanism 6 further comprises a motor 68, the motor 68 is arranged on the rear side of the hatch door 2, the output shaft of the motor 68 is fixedly connected with the rear end of the rotating column 65, the input end of the motor 68 is electrically connected with the output end of the single-chip microcomputer 3, the inner wall of the recess is tightly fitted with the outer wall of the hatch door 2, under the control of the single-chip microcomputer 3, the motor 68 starts to operate, the output shaft drives the rotating column 65 to start rotating, the rotating column 65 rotates and drives the sliding blocks 64 on the sliding rods 63 through the connecting rods 67 at the left and right ends, to move towards the end close to the center of the door frame 1, and then the sliding blocks 64 drive the end of the top block 62 close to the center of the door frame 1 to start moving, the top block 62 rotates under the support and limiting of the support column 61, and then the end of the top block 62 away from the center of the door frame 1 penetrates through the avoiding groove and extends into the inside of the fixed groove 12, so as to realize the locking of the hatch door 2. When the hatch door 2 needs to be opened, the motor 68 reverses, the sliding blocks 64 are pushed to move on the sliding rods 63 away from the center of the door frame 1 through the connecting rods 67, and then the top block 62 rotates at the upper end of the support column 61, so that the top block slides out of the inside of the fixed groove 12.

[0023] The working principle of the ship cabin door anti-pirate door lock is as follows: in order to prevent pirates from invading when the ship cabin door needs to be closed, the motor two 10 starts to operate through the regulation and control of the single-chip microcomputer 3, the output shaft drives the transmission gear 11 to start to operate, the driven gear 9 is engaged to make the rotating rod 5 start to rotate, the rotating rod 5 drives the L-shaped connecting rod 7 to pull the cabin door 2 to the inside of the door frame 1, so that the avoiding groove is aligned with the fixed groove 12, the motor one 68 starts to operate through the regulation and control of the single-chip microcomputer 3, the output shaft drives the rotating column 65 to start to rotate, the rotating column 65 rotates through the connecting rod 67 at the left and right ends to pull the sliding block 64 on the sliding rod 63 to move towards the end close to the center of the door frame 1, and then the sliding block 64 drives the top block 62 to start to move towards the end close to the center of the door frame 1, the top block 62 rotates under the support and limiting of the support column 61, and then the top block 62 passes through the avoiding groove away from the center of the door frame 1 and extends into the inside of the fixed groove 12, so as to realize the locking of the cabin door 2, when the cabin door 2 needs to be opened, the motor one 68 reverses, the sliding block 64 is pushed on the sliding rod 63 away from the center of the door frame 1 through the connecting rod 67, and then the top block 62 rotates at the upper end of the support column 61, so that the top block slides out of the inside of the fixed groove 12, the motor two 10 reverses through the regulation and control of the single-chip microcomputer 3, the rotating rod 5 rotates, and the L-shaped connecting rod 7 pushes the cabin door 2 outwards.

[0024] It is worth noting that the single-chip microcomputer 3, the motor one 68 and the motor two 10 disclosed in the above embodiment can be selected as TM4C1294, the motor one 68 and the motor two 10 can be selected as YBE4-0.75KW-2, and the single-chip microcomputer 3 controls the motor one 68 and the motor two 10 to work, which adopts the method commonly used in the prior art.

[0025] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A ship cabin door anti-pirate lock, comprising a door frame (1), a recess is formed in the middle of the door frame (1), an adjustable cabin door (2) is arranged in the recess, an avoiding groove is formed on the left and right sides of the cabin door (2) respectively, and a fixing groove (12) is formed on the left and right inner walls of the door frame (1) respectively, characterized in that: Also include locking mechanism (6); The locking mechanism (6) comprises a support (61), a top block (62), a slide rod (63) and a sliding block (64), the upper and lower inner walls of the hatch (2) are respectively provided with a slide rod (63), the outer part of the slide rod (63) is respectively connected with a sliding block (64), the rear inner wall of the hatch (2) is respectively provided with a support (61), the front end of the support (61) is respectively connected with a top block (62), one end of the top block (62) close to the center of the door frame (1) is respectively connected with the front side of the sliding block (64) on the rear side, the top block (62) is matched with the fixed groove (12) and installed; The outer part of the door frame (1) is provided with a single-chip microcomputer (3), and the input end of the single-chip microcomputer (3) is electrically connected with an external power supply; The locking mechanism (6) further comprises a rotating column (65), a rotating block (66) and a connecting rod (67), the rear wall of the hatch (2) is provided with a rotating column (65) in the middle, the front end of the rotating column (65) is fixedly connected with a rotating block (66), the left and right ends of the rotating block (66) are respectively connected with a connecting rod (67), and the end of the connecting rod (67) away from the center of the door frame (1) is respectively connected with the front surface of the sliding block (64) adjacent to the front and rear.

2. A ship's hatch pirate-proof lock according to claim 1, characterized in that: The locking mechanism (6) further comprises a motor (68), the motor (68) is arranged on the rear side of the hatch (2), the output shaft of the motor (68) is fixedly connected with the rear end of the rotating column (65), and the input end of the motor (68) is electrically connected with the output end of the single-chip microcomputer (3).

3. The ship's hatch pirate-proof lock according to claim 1, characterized in that: The inner wall of the groove is closely fitted with the outer wall of the hatch (2).

4. The ship's hatch pirate-proof lock according to claim 2, characterized in that: The rear side of the door frame (1) is respectively provided with a support (4), a rotating rod (5) is rotatably connected between the two supports (4), the outer part of the rotating rod (5) is respectively provided with an L-shaped connecting rod (7), the rear side of the hatch (2) is respectively provided with a U-shaped seat (8), and the left end of the L-shaped connecting rod (7) is rotatably connected with the inner wall of the U-shaped seat (8) located on the same horizontal line.

5. A ship's hatch pirate door lock according to claim 4, characterised in that: Further comprising a motor (10), the middle part of the rotating rod (5) is sleeved with a driven gear (9), the motor (10) is arranged on the rear side of the door frame (1), the output shaft of the motor (10) is fixedly connected with a transmission gear (11), the transmission gear (11) is meshed with the driven gear (9), and the input end of the motor (10) is electrically connected with the output end of the single-chip microcomputer (3).