Novel anti-pirate door lock device

By designing a U-shaped lock nose and a butterfly nut structure, the anti-piracy door lock solves the problem of easy damage to existing anti-piracy door locks, achieving security protection during pirate attacks and convenient opening after rescue.

CN223854026UActive Publication Date: 2026-01-30YANGZHOU YAHUA SHIP TECH DEV CO LTD
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Patent Information

Application Number
CN202520170519.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-25
Publication Date
2026-01-30
Estimated Expiration
2035-01-25

AI Technical Summary

Technical Problem

Existing anti-piracy door locks are easily discovered and destroyed by pirates, and cannot effectively protect the safety of crew members.

Method used

A novel anti-piracy door lock device is designed, employing a U-shaped lock nose and a butterfly nut structure, which allows the lock to be opened only from the inside, making it difficult to damage from the outside, and allowing crew members to open it by hand after a rescue operation.

Benefits of technology

The security of the anti-piracy door locks has been improved, ensuring that they are difficult to break during pirate attacks and ensuring the safe return of crew members to their posts.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223854026U_ABST
    Figure CN223854026U_ABST
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Abstract

The utility model discloses a novel anti-pirate door lock device in the field of shipbuilding, which comprises a rectangular door frame and an anti-pirate door arranged corresponding to the inside of the door frame, a first lock nose hole is arranged on the anti-pirate door, a U-shaped lock nose backwards penetrates through the first lock nose hole, two first annular baffle plates are fixedly arranged on the U-shaped lock nose, and the two first annular baffle plates are fixedly arranged on the first annular baffle plates. The two first baffles are welded and fixed to the rear side of the anti-pirate door, a second door frame baffle is welded and fixed to the door frame and corresponds to the lock nose, two second lock nose holes are formed in the positions, corresponding to the two ends of the U-shaped lock nose, of the second door frame baffle, and the two ends of the U-shaped lock nose backwards penetrate through the two second lock nose holes. The U-shaped lock nose is provided with two threaded sections corresponding to the second door frame baffle. The peripheries of the two threaded sections of the U-shaped lock nose are each sleeved with a butterfly nut pressing the second door frame baffle. And a door lock is hung on the U-shaped lock nose. Safety can be improved, and the situation that the lock is damaged due to the fact that the door lock is found by pirates is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of shipbuilding, especially relates to a novel anti-pirate door lock device. BACKGROUND

[0002] When the ship sails on the sea, in the case that pirates cannot be avoided to board the ship, all the crew will hide in the anti-pirate cabin to avoid risks before the rescue arrives. The anti-pirate door and the anti-pirate lock should be able to last for a long time, that is, to last until the successful boarding of the ship by the sea rescue to drive away the pirates. The current anti-pirate door lock is a visible lock, and the problem is that even if the door lock is relatively firm, the visible lock is easy to be found and damaged by the pirates. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a novel anti-pirate door lock device, which can hardly break the lock to enter from outside the door and can only be unlocked from inside the room, greatly improving the safety and avoiding the lock from being damaged due to the discovery of the door lock by pirates.

[0004] The utility model aims at realizing the following: a novel anti-pirate door lock device, which comprises a rectangular door frame, an anti-pirate door is arranged corresponding to the inside of the door frame, a lock nose hole one is formed in the anti-pirate door, a U-shaped lock nose is arranged through the lock nose hole one in the rear, two annular baffle plates one are fixedly arranged on the U-shaped lock nose, the two baffle plates one are both welded and fixed to the rear side of the anti-pirate door, a door frame baffle plate two is welded and fixed to the door frame, the door frame baffle plate two is arranged corresponding to the lock nose, two lock nose holes two are formed in the door frame baffle plate two corresponding to the two ends of the U-shaped lock nose, the two ends of the U-shaped lock nose are arranged through the two lock nose holes two in the rear, two threaded sections are arranged on the U-shaped lock nose corresponding to the door frame baffle plate two, a butterfly nut for pressing the door frame baffle plate two is sleeved on the outer periphery of the two threaded sections of the U-shaped lock nose; a door lock is hung on the U-shaped lock nose, and the door lock is located on the front side of the anti-pirate door.

[0005] Compared with the prior art, the utility model has the beneficial effects as follows: the anti-pirate lock of the utility model has the following functions: it is difficult to break the lock to enter from outside the door, and the lock can only be unlocked from inside the room. The novel anti-pirate lock is a visible lock and is also a false lock. Compared with the conventional anti-pirate lock, the novel anti-pirate lock has the following protruding functions: 1. The lock nose is cut off, and the door cannot be opened; 2. Even if the lock nose is cut off, the door cannot be opened; 3. After the arrival of the sea rescue or the departure of the pirates, the crew in the cabin can open the door by hand, and finally return to the post safely. The anti-pirate door of the utility model is in an open or half-closed state at ordinary times, all the crew enter the cabin and close the door when the pirates board the ship, the lock nose end is inserted into the lock nose hole two of the door frame baffle plate two, the butterfly nut is installed and tightened; after the pirates leave, the butterfly nut can be removed.

[0006] As a further improvement of the utility model, the U-shaped lock nose is vertically arranged, and the U-shaped lock nose comprises a vertical column, and a horizontal column extending rearward is arranged at each of the upper and lower ends of the vertical column.

[0007] As a further improvement of the utility model, two threaded segments are arranged at the rear ends of the two horizontal columns respectively.

[0008] As a further improvement of the utility model, the first baffle is annular, and the two first baffles are welded and fixed on the two horizontal columns respectively, and the first baffles are sleeved on the outer peripheries of the corresponding horizontal columns.

[0009] As a further improvement of the utility model, the two horizontal columns of the U-shaped lock nose pass through the two lock hole two respectively.

[0010] As a further improvement of the utility model, the first lock hole is vertically arranged, and the second lock hole is horizontally arranged.

[0011] As a further improvement of the utility model, the anti-pirate door is provided with a door handle at the front side. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the front view of the utility model.

[0013] Figure 2 It is the enlarged view of Figure 1

[0014] Figure 3 It is the AA direction section view of Figure 2

[0015] Figure 4 It is the breaking schematic view of the lock nose of the utility model.

[0016] Figure 5 It is the side view of the lock nose.

[0017] Wherein, 1 door frame, 2 anti-pirate door, 3 first lock hole, 4 lock nose, 4a vertical column, 4b horizontal column, 5 first baffle, 6 door handle, 7 door frame second baffle, 8 second lock hole, 9 threaded segment, 10 butterfly nut, 11 door lock. DETAILED DESCRIPTION

[0018] As Figures 1-5 ​​The anti-pirate door lock device is characterized in that: the anti-pirate door 2 is arranged in the door frame 1, the U-shaped lock nose 4 is arranged through the lock nose hole one 3, the two ring-shaped baffles one 5 are arranged on the U-shaped lock nose 4, the two ring-shaped baffles one 5 are welded with the rear side of the anti-pirate door 2, the door frame 1 baffle two is welded on the door frame 1, the door frame 1 baffle two is arranged corresponding to the U-shaped lock nose 4, the two lock nose holes two 8 are arranged on the door frame 1 baffle two corresponding to the two ends of the U-shaped lock nose 4, the lock nose hole one 3 is vertically arranged, the lock nose hole two 8 is horizontally arranged, the two ends of the U-shaped lock nose are arranged through the two lock nose holes two 8, the two threaded sections 9 are arranged on the U-shaped lock nose corresponding to the door frame 1 baffle two, the butterfly nut 10 is arranged on the outer periphery of the two threaded sections 9, the door lock 11 is hung on the U-shaped lock nose, and the door lock 11 is located at the front side of the anti-pirate door 2.

[0019] The U-shaped lock nose is vertically arranged, the U-shaped lock nose comprises vertical columns 4a, and a horizontal column 4b is arranged at the upper end and the lower end of each vertical column 4a and extends rearward. The two threaded sections 9 are arranged at the rear ends of the two horizontal columns 4b. The threaded sections 9 facilitate the installation of the butterfly nut 10. The baffle one 5 is annular, the two baffles one 5 are welded on the two horizontal columns 4b respectively, and the baffle one 5 is arranged on the outer periphery of the corresponding horizontal column 4b. The baffle one 5 is welded on the U-shaped lock nose and is fixed firmly. The two horizontal columns 4b of the U-shaped lock nose are arranged through the two lock nose holes two 8 respectively. The U-shaped lock nose is arranged through the door frame 1 baffle two.

[0020] The anti-pirate lock function of the utility model is as follows: it is difficult to break the lock and enter from outside the door, and the lock can only be opened from inside the room. The anti-pirate lock is a visible lock and a false lock. Compared with the conventional anti-pirate lock, the utility model has the following protruding functions: 1. the lock nose is cut off, and the door cannot be opened; 2. even if the lock nose is cut off, the door cannot be opened; 3. after the arrival of a marine rescue or the departure of pirates, the crew in the cabin can open the door by hand, and finally return to the post safely. The anti-pirate door 2 is in an open or virtual closed state, and when pirates board the ship, all crew members enter the cabin and close the door. The lock nose end is arranged through the lock nose hole two 8 of the door frame 1 baffle two, the butterfly nut 10 is installed and tightened, and the butterfly nut 10 can be removed after the pirates leave.

[0021] The utility model is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the utility model, those skilled in the art can make some substitutions and deformations to some technical features according to the disclosed technical content without creative labor, and these substitutions and deformations are within the protection scope of the utility model.

Claims

1. A new anti-pirate door lock device, comprising a rectangular door frame, an anti-pirate door is arranged corresponding to the inside of the door frame, characterized in that, The anti-piracy door is provided with a lock nose hole one, a U-shaped lock nose is arranged through the lock nose hole one, two annular baffles one are fixedly arranged on the U-shaped lock nose, the two baffles one are welded and fixed with the rear side of the anti-piracy door, a door frame baffle two is welded and fixed on the door frame, the door frame baffle two is arranged corresponding to the lock nose, two lock nose holes two are arranged on the door frame baffle two corresponding to the two ends of the U-shaped lock nose, the two ends of the U-shaped lock nose are arranged through the two lock nose holes two, two threaded sections are arranged on the U-shaped lock nose corresponding to the door frame baffle two, a butterfly nut is sleeved on the outer periphery of the two threaded sections of the U-shaped lock nose for pressing the door frame baffle two; a door lock is hung on the U-shaped lock nose, and the door lock is located on the front side of the anti-piracy door.

2. A new anti-piracy door lock device according to claim 1, characterized in that, The U-shaped lock nose is vertically arranged, and the U-shaped lock nose comprises a vertical column, and a horizontal column is arranged at each of the upper and lower ends of the vertical column.

3. A new anti-pirate door lock device according to claim 2, characterized in that, The two threaded sections are arranged at the rear ends of the two horizontal columns respectively.

4. A new anti-pirate door lock device according to claim 2 or 3, characterized in that, The baffle one is annular, and the two baffles one are welded and fixed on the two horizontal columns respectively, and the baffle one is sleeved on the outer periphery of the corresponding horizontal column.

5. A new anti-pirate door lock device according to claim 2 or 3, characterized in that, The two horizontal columns of the U-shaped lock nose are arranged through the two lock nose holes two respectively.

6. A new anti-pirate door lock device according to any one of claims 1-3, characterized in that, The lock nose hole one is vertically arranged, and the lock nose hole two is horizontally arranged.

7. A new anti-pirate door lock device according to any one of claims 1-3, characterized in that, A door handle is arranged on the front side of the anti-piracy door.