Double-channel coded lock

Abstract

A double-channel coded lock comprises a shell, a coded lock set, a key lock set, a switch button and a lock hook are arranged on the shell, the coded lock set comprises a coded wheel set and a lock rod, the key lock set comprises a key lock cylinder, the key lock set is arranged in the switch button and moves front and back along with the switch button, a long-strip-shaped protruding block is arranged at the lower end of the key lock cylinder, and the lock hook is arranged in the long-strip-shaped protruding block. A sliding block is arranged at the lower end of the lock hook and moves front and back along with the sliding block, a clamping head is arranged on the sliding block, a clamping groove is formed in the switch button, and the clamping head and the clamping groove are fixed in a clamped mode, so that the sliding block moves front and back along with the switch button. The long front end of the long-strip-shaped protruding block at the lower end of the key lock cylinder abuts against the rear end of the lock rod in a matched mode, when the key lock cylinder is in an opening state, the long front end of the long-strip-shaped protruding block at the lower end of the key lock cylinder rotates by 90 degrees to be disengaged from abutting against the rear end of the lock rod in a matched mode, and when the code wheel set is in a locking state, the code wheel set limits the lock rod to move forwards.

Description

Technical Field

[0001] The present invention relates to a dual-channel password lock. Background Art

[0002] In a dual-channel password lock, since the lock hook and the lock head can be opened by a password lock and a key lock respectively, for the reliability of the lock, the more complex the structure, the lower the reliability, the greater the probability of failure, and the more difficult the production and installation. The structures of the two sets of lock groups of the existing dual-channel password locks are both relatively complex. Especially in the transmission mechanism that drives the lock hook to open and lock, often more components are required to complete a more complex transmission to achieve. No matter which component gets stuck or damaged, the entire lock body cannot be used. Therefore, they all have the defects of low reliability and complex installation. The patent number 201611025097.7 discloses a dual-channel password lock, which uses a lock rod to push the lock hook to flip and a diagonal rotating table is provided on the key lock core to press the lock hook to flip, so as to achieve the separation and cooperation between the lock hook and the lock buckle. This structure requires the lock hook to be hinged on the lock shell and is opened by flipping. Its structure is still relatively complex, and there is also a possibility of getting stuck and failing, especially the installation process is more complicated. Summary of the Invention

[0003] Aiming at the deficiencies of the existing dual-channel password locks, the present invention provides a dual-channel password lock with a simple structure, reliable transmission and convenient installation.

[0004] To solve the above technical problems, the present invention adopts the following technical solutions: A dual-channel password lock includes a housing, on which a password lock group, a key lock group, a switch button and a lock hook are provided. The password lock group includes a password wheel group and a lock rod, and the key lock group includes a key lock core. The key lock group is arranged in the switch button and moves back and forth together with the switch button. A long strip-shaped convex block is provided at the lower end of the key lock core. A sliding block is provided at the lower end of the lock hook and moves back and forth together with the sliding block. A clamping joint is provided on the sliding block, and a clamping groove is provided on the switch button. The clamping joint is clamped and fixed with the clamping groove, so that the sliding block moves back and forth together with the switch button. When the key lock core is in the locked state, the long front end of the long strip-shaped convex block at the lower end of the key lock core abuts and cooperates with the rear end of the lock rod. When the key lock core is in the open state, the key lock core rotates 90 degrees and the long front end of the long strip-shaped convex block at the lower end is separated from the rear end of the lock rod. When the password wheel group is in the locked state, the password wheel group restricts the lock rod from moving forward.

[0005] The beneficial effects provided by the present invention are as follows: When the password lock group is in the open state, the password wheel group releases the restriction on the lock rod, pushes the switch button to drive the lock rod to move forward, and at the same time drives the sliding block and the lock hook to move forward, so that the lock hook disengages from the locking cooperation with the lock head, realizing password opening; When both the password lock group and the key lock group are in the locked state, the lock rod is restricted from moving forward. At the same time, the long front end of the long strip-shaped convex block at the lower end of the key lock core abuts against the rear end of the lock rod, and is also restricted from moving forward. Similarly, the switch button cannot drive the sliding block to move forward, so that the lock hook and the lock head are always in the locked state, realizing password locking. At this time, use the key to open the key lock group and rotate the key lock core so that the long front end of the long strip-shaped convex block at the lower end of the key lock core disengages from the abutting cooperation with the rear end of the lock rod, creating a forward movement space between the lock rod and the narrow side end of the long strip-shaped convex block under the key lock core. At this time, push the switch button forward again to drive the sliding block and the lock hook to move forward, so that the lock hook disengages from the locking cooperation with the lock head, realizing key opening. The key lock core is used as the opening method for customs inspection of luggage. Before pulling out the key, the key lock core needs to be rotated back to the locked state again, so that the long front end of the long strip-shaped convex block at the lower end of the key lock core returns to the state of abutting against the rear end of the lock rod. Only when the password lock group or the key lock group is opened again can the switch button be pushed again to open. During the opening process of these two opening methods, only whether the lock rod of the password lock group is restricted and whether the long strip-shaped convex block at the lower end of the key lock core of the key lock group abuts against the lock rod are required to realize locking or opening, without the participation of any other components in the transmission. Therefore, the dual-channel password lock provided by the present invention has the characteristics of simple structure, reliable transmission, and convenient installation.

[0006] Further, the long two ends of the long strip-shaped convex block at the lower end of the key lock core respectively abut against the front end of the sliding block and the rear end of the lock rod at the same time. When the key lock core is in the open state, the long two ends of the long strip-shaped convex block at the lower end of the key lock core respectively disengage from the abutting cooperation with the front end of the sliding block and the rear end of the lock rod at the same time. Adding the sliding block to abut against the long rear end of the long strip-shaped convex block at the lower end of the key lock core can make the sliding block and the switch button cooperate more closely and the structure more stable in the locked state.

[0007] The present invention will be further described in detail below with reference to the drawings and embodiments. Description of the Drawings

[0008] Figure 1 is a schematic structural diagram of the dual-channel password lock provided by the present invention.

[0009] Figure 2 is an exploded view in the locked state.

[0010] Figure 3 is Figure 2 another perspective view of

[0011] Figure 4 It is an explosion schematic diagram in the key - opened state.

[0012] Figure 5 is Figure 4 Another perspective schematic diagram of

[0013] Figure 6 is Figure 1 The structural schematic diagram after removing the housing in Specific implementation manner

[0014] As Figure 1-6 shown, a dual - channel password lock provided by the present invention includes a housing 1. A password lock group 2, a key lock group 3, a switch button 4, and a lock hook 5 are provided on the housing 1. The password lock group 2 includes a password wheel group 21 and a lock rod 22. The key lock group 3 includes a key lock core 31. The key lock group 3 is arranged in the switch button 4 and moves back and forth together with the switch button 4. A long - strip - shaped protrusion 32 is provided at the lower end of the key lock core 31. A sliding block 6 is provided at the lower end of the lock hook 5 and moves back and forth together with the sliding block 6. A clamping joint 61 is provided on the sliding block 6, and a clamping groove 41 is provided on the switch button 4. The clamping joint 61 is clamped and fixed with the clamping groove 41. When the key lock core 31 is in the locked state, the long ends of the long - strip - shaped protrusion 32 at the lower end of the key lock core 31 are simultaneously in contact and cooperation with the front end of the sliding block 6 and the rear end of the lock rod 22 respectively. When the key lock core 31 is in the opened state, the key lock core 31 rotates 90 degrees, and the long ends of the long - strip - shaped protrusion 32 at the lower end are simultaneously separated from the contact and cooperation with the front end of the sliding block 6 and the rear end of the lock rod 22 respectively. When the password wheel group 21 is in the locked state, the password wheel group 21 restricts the lock rod 22 from moving forward.

Claims

1. A dual-channel password lock, comprising a housing (1), on which there are provided a password lock set (2), a key lock set (3), a switch button (4) and a lock hook (5). The password lock set (2) includes a password wheel set (21) and a lock rod (22), and the key lock set (3) includes a key lock core (31), characterized in that: The key lock set (3) is arranged inside the switch button (4) and moves back and forth together with the switch button (4). A strip-shaped convex block (32) is provided at the lower end of the key lock core (31). A sliding block (6) is provided at the lower end of the lock hook (5) and moves back and forth together with the sliding block (6). A clamping joint (61) is provided on the sliding block (6), and a clamping groove (41) is provided on the switch button (4). The clamping joint (61) is clamped and fixed with the clamping groove (41) so that the sliding block (6) moves back and forth together with the switch button (4). When the key lock core (31) is in the locked state, the long front end of the strip-shaped convex block (32) at the lower end of the key lock core (31) abuts and cooperates with the rear end of the lock rod (22). When the key lock core (31) is in the open state, the key lock core (31) rotates 90 degrees, and the long front end of the strip-shaped convex block (32) at the lower end disengages from the abutting cooperation with the rear end of the lock rod (22). When the password wheel set (21) is in the locked state, the password wheel set (21) restricts the forward movement of the lock rod (22).

2. The dual-channel password lock according to claim 1, wherein: The long two ends of the strip-shaped convex block (32) at the lower end of the key lock core (31) simultaneously abut and cooperate with the front end of the sliding block (6) and the rear end of the lock rod (22) respectively. When the key lock core (31) is in the open state, the key lock core (31) rotates 90 degrees, and the long two ends of the strip-shaped convex block (32) at the lower end simultaneously disengage from the abutting cooperation with the front end of the sliding block (6) and the rear end of the lock rod (22) respectively.

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