CN108756525B

CN108756525B - Sinking type fixing lock

Info

Publication number: CN108756525B
Application number: CN201810801404.9A
Authority: CN
Inventors: 钟洪亮; 徐正; 李柏; 薛鹤飞; 杜泽生; 李坤
Original assignee: Dongguan Jingyu Industrial Co ltd
Current assignee: Dongguan Jingyu Industrial Co ltd
Priority date: 2018-07-20
Filing date: 2018-07-20
Publication date: 2023-07-21
Anticipated expiration: 2038-07-20
Also published as: CN108756525A

Abstract

The invention discloses a sinking type fixed lock, which is characterized by comprising a shell and a key assembly arranged on the shell, wherein the key assembly comprises a lock core and also comprises an indication block arranged on the shell, the indication block is provided with a customs unlocking display area, the shell is provided with a prompt display window, and the indication block is in linkage connection with the key assembly; when the key component is used for unlocking, the unlocking key is inserted into the lock core to drive the lock core to rotate, the lock core rotates to drive the indication block to move, and the indication block moves to the corresponding indication display window of the customs unlocking display area; when the lock core is locked, the customs unlocking display area keeps the position state of the corresponding prompt display window, so that the purposes of unlocking prompt function in the customs inspection process, avoiding repeated unlocking, repeated inspection and the like are achieved.

Description

Sinking type fixing lock

Technical Field

The invention relates to the technical field of locks, in particular to a sinking type fixed lock.

Background

During the process of consignment, customs personnel have the right to open the suitcase for inspection when entering and exiting the customs. The common locks are usually forced to be opened, so that the locks cannot be reused after being opened, and therefore, a lock which is convenient for customs inspection and does not influence the subsequent normal use is needed. The customs lock is used for detecting the safety of luggage and goods and the supervision of transportation customs, and is a universal TSA (abbreviation of U.S. transport Security Administration) special key which is universal for the world customs and is used for ensuring the safety of the goods in the transportation process.

The existing customs locks comprise pull-tab locks, namely sinking type fixed locks, most of the locks at present do not have the unlocking prompt function in the customs inspection process, so that the phenomena of repeated unlocking, repeated inspection and the like occur.

Disclosure of Invention

The invention aims to provide a sinking type fixed lock, which achieves the purposes of having an unlocking prompt function in the customs inspection process and avoiding the phenomena of repeated unlocking, repeated inspection and the like.

The technical aim of the invention is realized by the following technical scheme: the sinking type fixed lock comprises a shell and a key assembly arranged on the shell, wherein the key assembly comprises a lock core and also comprises an indication block arranged on the shell, the indication block is provided with a customs unlocking display area, the shell is provided with a prompt display window, and the indication block is in linkage connection with the key assembly;

when the key component is used for unlocking, the unlocking key is inserted into the lock core to drive the lock core to rotate, the lock core rotates to drive the indication block to move, and the indication block moves to the corresponding indication display window of the customs unlocking display area; when the lock core is locked, the customs unlocking display area keeps the position state of the corresponding prompt display window.

As a further optimization, the key assembly further comprises a baffle plate in linkage connection with the lock core, and the indicating block is rotationally connected with the shell;

the lock core drives the baffle to rotate when rotating, and the baffle rotates to realize the unblock, promotes the instruction piece when the baffle rotates simultaneously and rotates to the corresponding suggestion display window of customs unlocking display area.

As a further optimization, the shell is provided with an elastic tongue piece, and the elastic tongue piece comprises a connecting end connected with the shell and a free end capable of elastically deforming relative to the connecting end;

in the process that the indication block moves to the customs unlocking display area corresponding to the prompt display window, the indication block extrudes the free end of the elastic tongue piece and then passes over the free end of the elastic tongue piece, and after the indication block moves to the customs unlocking display area corresponding to the prompt display window, the free end of the elastic tongue piece limits the indication block to prevent automatic reset.

As further optimization, an indication block reset spring is arranged between the indication block and the shell, and the indication block reset spring generates elastic deformation when the indication block moves to a prompt display window corresponding to the customs unlocking display area; the password component and the key component of the fixed lock are both connected with a connecting plate of the fixed lock in a linkage way, a connecting plate reset spring is arranged between the connecting plate and the shell, and when the connecting plate moves to unlock, the connecting plate reset spring generates elastic deformation, and a pressing block is arranged on the connecting plate;

when the fixed lock is unlocked through the password component, the push button is pushed to push the connecting plate to move, so that when unlocking is realized, the pressing block presses the free end of the elastic tongue piece, the elastic tongue piece is pressed downwards to release the limit of the indicating block, and the indicating block reset spring generates elastic deformation to drive the indicating block to reset.

As a further optimization, the customs unlocking display area of the indication block is provided with a display color, and the display color is different from the color of other places of the indication block so as to distinguish and display unlocking and unlocking.

As a further optimization, the display color is red, green or yellow.

As further optimization, the password component of the fixed lock comprises a password wheel group and a central rod, an auxiliary block is arranged at the end, close to the button, of the central rod, an auxiliary inclined plane is arranged at the auxiliary block and/or the button, and one end of the connecting plate of the fixed lock is sleeved on the auxiliary block; after the password wheel group is unlocked, the button is pressed, the button pushes the center rod to move, and the center rod pushes the connecting plate to move to unlock.

As further optimization, the password assembly further comprises a carriage, and a connecting rod return spring are further arranged in the shell;

when the password wheel set is locked, the password wheel set extrudes the carriage, the carriage pushes the connecting rod to move, the connecting rod reset spring generates elastic deformation, and the limiting part of the connecting rod moves to be blocked below the button, so that the button cannot move downwards; when the password wheel set is unlocked, the password wheel set loses the extrusion force on the mop plate, the elastic force generated by elastic deformation of the connecting rod reset spring drives the connecting rod to move, the connecting rod moves to enable the limiting part to be staggered with the button, the limiting of the button is relieved, and the button can be pressed to unlock.

As further optimization, the lock hook assembly of the fixed lock comprises a frame and two groups of lock hook groups arranged on the frame, wherein each group of lock hook groups comprises a hook piece rotatably connected with the frame, a hook piece reset torsion spring arranged between the frame and the hook piece, a stop block rotatably connected with the frame and a stop block reset torsion spring arranged between the stop block and the frame, and the stop block of the fixed lock is in linkage connection with the hook piece and the connecting plate;

when the link plate of the fixed lock moves to unlock, the link plate drives the stop block to rotate, the stop block reset torsion spring generates elastic deformation, the stop block rotates to drive the hook to rotate to unlock, and the hook reset torsion spring generates elastic deformation.

As a further optimization, the end part of the button of the fixed lock, which is exposed outside the shell, is provided with a silica gel cover.

The invention has the following beneficial effects: when customs needs to be checked by opening the box, an unlocking key is inserted into the lock core to drive the lock core to rotate, the lock core rotates to unlock and simultaneously drives the indication block to move, the indication block moves to a corresponding prompt display window of a customs unlocking display area, and when the lock core is locked, the customs unlocking display area keeps corresponding to the prompt display window, and the customs unlocking display area is seen through the prompt display window, so that the box opening check is carried out, an unlocking prompt function is achieved in the customs check process, and the phenomena of repeated unlocking, repeated check and the like are effectively avoided.

Drawings

FIG. 1 is a schematic view of an exploded construction of a sinking style lock in an embodiment;

FIG. 2 is a schematic exploded view of the mating relationship of a button, code assembly, key assembly, link plate, tie rod and shackle assembly in a submersible lock according to an embodiment;

FIG. 3 is a schematic view of an exploded view of the lock housing removed from the submersible stationary lock in an embodiment;

fig. 4 is an exploded view of the key assembly, web and shackle assembly of a combination lock according to an exemplary embodiment.

In the figure: 11. a lock case; 111. prompting a display window; 12. a bottom cover; 121. an elastic tongue piece; 1211. a connection end; 1212. a free end; 2. a button; 21. a button return spring; 22. a silica gel cover; 3. a password component; 31. a positioning block; 32. a cipher wheel set; 321. a digital wheel; 322. an inner sleeve; 33. a central rod; 331. an auxiliary block; 100. an auxiliary inclined plane; 34. a carriage; 35. a number changing component; 36. a center rod return spring; 4. a key assembly; 41. a lock core; 42. a baffle; 421. a pushing part; 5. a connecting plate; 51. briquetting; 500. a connecting plate reset spring; 6. a shackle assembly; 61. a frame; 62. a latch hook group; 621. a hook; 622. a hook return spring; 623. a stop block; 624. a stopper return spring; 7. a connecting rod; 71. a limit part; 8. a connecting rod return spring; 9. an indication block; 91. customs unlocking display area; 900. and an indication block return spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A sinking style lock, as shown in fig. 1, includes a housing and various components mounted to the housing. The casing is installed button 2, cipher module 3, key module 4, link plate 5 and latch hook module 6, and this fixed lock has two kinds of mode of unblanking: firstly, unlocking through the password component 3 and the button 2, after the password component 3 inputs a correct digital password, pressing the button 2, pushing the connecting plate 5 to move by the button 2, and driving the lock hook component 6 to move by the connecting plate 5 to realize unlocking; and secondly, the unlocking key and the key assembly 4 are matched for unlocking, and the key assembly 4 drives the lock hook assembly 6 to move so as to realize unlocking. The housing includes a lock case 11 and a bottom cover 12.

As shown in fig. 2, the code assembly 3 includes a positioning block 31, a code wheel set 32, a central rod 33, a carriage 34 and a number changing assembly 35, where the positioning block 31 is used for realizing the relative fixing of the positions of the code wheel set 32 and the carriage 34 in the housing. The cipher wheel set 32 comprises three sets of mutually matched digital wheels 321 and an inner sleeve 322, the inner sleeve 322 is sleeved on the central rod 33, the digital wheels 321 are sleeved on the inner sleeve 322, the carriage 34 realizes the interval arrangement between the three sets of mutually matched digital wheels 321 and the inner sleeve 322, and the digital wheels 321 and the inner sleeve 322 can only rotate but can not axially move along the central rod 33 due to limiting. The end of the central rod 33, which is close to the button 2, is provided with an auxiliary block 331, the central rod 33 is sleeved with a central rod return spring 36, one end of the central rod return spring 36 is abutted against one side section of the auxiliary block 331, and the other end is abutted against the side end face of the nearby inner sleeve 322. The auxiliary block 331 and/or the button 2 is provided with an auxiliary inclined surface 100, and when the button 2 is pressed, the button 2 pushes the center rod 33 to move through the auxiliary inclined surface 100. One end of the connecting plate 5 is sleeved on the auxiliary block 331, and when the button 2 pushes the central rod 33 to move, the central rod 33 pushes the connecting plate 5 to move so as to unlock. A button return spring 21 is provided between the button 2 and the bottom cover 12, and the button return spring 21 is elastically deformed when the button 2 is pressed. The end of the button 2 exposed outside the casing is provided with a silicone cover 22, and the silicone cover 22 is provided with friction stripes. And a connecting rod 7 and a connecting rod return spring 8 are also arranged in the shell, and the connecting rod 7 is used for limiting the button 2 when the password assembly 3 is locked. When any one of the three digital wheels 321 is not the correct unlocking number, the inner sleeve 322 corresponding to the digital wheel 321 presses the carriage 34 downwards, the carriage 34 pushes the connecting rod 7 to move, the connecting rod return spring 8 generates elastic deformation, and the limiting part 71 of the connecting rod 7 is blocked below the button 2, so that the button 2 cannot move downwards; when the three digital wheels 321 are all correct unlocking numbers, the carriage 34 loses the extrusion force of the inner sleeve 322, the elastic force generated by the elastic deformation of the connecting rod return spring 8 drives the connecting rod 7 to move, the connecting rod 7 moves to enable the limiting part 71 to be staggered with the button 2, the limiting of the button 2 is released, and the button 2 can be pressed to unlock. A connecting plate reset spring 500 is arranged between the connecting plate 5 and the bottom cover 12, and when the connecting plate 5 moves to unlock, the connecting plate reset spring 500 generates elastic deformation.

As shown in fig. 2, the key assembly 4 includes a lock core 41 and a baffle 42 coupled to the lock core 41, and the baffle 42 is coupled to the connecting plate 5. The unlocking key is inserted into the lock core 41 to drive the lock core 41 to rotate, the lock core 41 drives the baffle plate 42 to rotate, and the baffle plate 42 rotates to push the connecting plate 5 to move so as to unlock. As shown in fig. 1 and 2, the lock further comprises an indicator block 9 mounted to the housing, the indicator block 9 being located beside the key assembly 4. The indication block 9 is provided with a customs unlocking display area 91, and the lock case 11 is provided with a prompt display window 111. As shown in fig. 3 and 4, the indication block 9 is rotatably connected to the housing, the baffle 42 is provided with a pushing portion 421, the indication block 9 is pushed to rotate by the pushing portion 421 when the baffle 42 rotates, the indication block 9 rotates to the customs lock unlocking display area 91 to correspond to the prompt display window 111, and the customs lock unlocking display area 91 is observed through the prompt display window 111, which means that the key is unlocked. The customs lock opening display area 91 of the indication block 9 is provided with a display color which is different from the color of the other places of the indication block 9 so as to distinguish between the opened lock and the non-opened lock. The display color is preferably red, yellow, green, or the like, and a simple and easily understood prompt may be provided in the customs unlocking display area 91. To prevent the indication block 9 from automatically resetting after the lock core 41 is reset to affect the indication function, the bottom cover 12 is provided with an elastic tongue 121, and the elastic tongue 121 includes a connecting end 1211 connected with the bottom cover 12 and a free end 1212 capable of elastically deforming relative to the connecting end 1211. In the process that the indication block 9 rotates to the customs unlocking display area 91 corresponding to the prompt display window 111, the indication block 9 can squeeze the free end 1212 of the elastic tongue piece 121 to further pass through the free end 1212 of the elastic tongue piece 121, and after the indication block 9 rotates to the customs unlocking display area 91 corresponding to the prompt display window 111, the free end 1212 of the elastic tongue piece 121 limits the indication block 9 to prevent automatic reset. An indicating block reset spring 900 is arranged between the indicating block 9 and the shell, and after the indicating block 9 rotates to the customs unlocking display area 91 to correspond to the prompt display window 111, the indicating block reset spring 900 is elastically deformed. The connecting plate 5 is provided with the pressing block 51, and when the connecting plate 5 moves to unlock, the pressing block 51 presses the free end 1212 of the elastic tongue piece 121, so that the elastic tongue piece 121 is pressed downwards to release the limit of the indicating block 9. When the key is inserted into the lock core 41 to unlock, the pushing part 421 of the baffle plate 42 limits the indicating block 9, so that the indicating block 9 cannot rotate and reset even though the pressing block 51 of the connecting plate 5 presses the elastic tongue piece 121; after the push part 421 of the lock core 41 which is rotated and reset to drive the baffle plate 42 releases the limit of the indication block 9, the connecting plate 5 moves and resets at the same time, and the pressing block 51 of the connecting plate 5 is separated from the free end 1212 of the elastic tongue piece 121, so that the free end 1212 of the elastic tongue piece 121 resets to limit the indication block 9; when the password assembly 3 is unlocked, the push button 2 is pressed to push the connecting plate 5 to move to unlock, and when the pressing block 51 of the connecting plate 5 presses the free end 1212 of the elastic tongue piece 121, the indicating block 9 is driven to rotate and reset by the elastic force generated by deformation of the indicating block reset spring 900.

As shown in fig. 4, the latch hook assembly 6 includes a frame 61 and two sets of latch hook groups 62 mounted on the frame 61, each set of latch hook groups 62 includes a hook piece 621 rotatably connected to the frame 61, a hook piece reset torsion spring 622 provided between the frame 61 and the hook piece 621, a stopper 623 rotatably connected to the frame 61, and a stopper reset torsion spring 624 provided between the stopper 623 and the frame 61, and the stopper 623 is coupled to both the hook piece 621 and the link plate 5. When the link plate 5 moves to unlock, the link plate 5 drives the stop block 623 to rotate, the stop block reset torsion spring 624 generates elastic deformation, and the stop block 623 rotates to drive the hook 621 to rotate to unlock, and the hook reset torsion spring 622 generates elastic deformation.

When the customs performs unlocking inspection, the lock insert 41 is inserted by using the unlocking key to drive the lock insert 41 to rotate, the lock insert 41 rotates to drive the baffle plate 42 to rotate, the baffle plate 42 rotates to push the connecting plate 5 to move, the connecting plate 5 moves to push the baffle plate 623 to rotate, the baffle plate 623 rotates to drive the hook 621 to rotate to unlock, meanwhile, the baffle plate 42 rotates to push the indication block 9 to rotate through the pushing part 421, the indication block 9 rotates to the customs unlocking display area 91 to correspond to the indication display window 111, and the customs unlocking display area 91 is seen through the indication display window 111, so that the inspection is performed, and repeated unlocking and repeated inspection are avoided. When the password component 3 is utilized to unlock, when the three digital wheels 321 are used for inputting correct unlocking numbers, the connecting rod 7 is driven to move and reset by the elastic force generated by the elastic deformation of the connecting rod reset spring 8, the limiting part 71 of the connecting rod 7 is staggered with the button 2, the button 2 is pressed, the button 2 pushes the central rod 33 to move, the central rod 33 pushes the connecting plate 5 to move, the connecting plate 5 moves to push the stop block 623 to rotate, and the stop block 623 rotates to drive the hook 621 to rotate to unlock.

The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.

Claims

1. The utility model provides a fixed lock of sinking, includes casing and installs in key subassembly (4) of casing, key subassembly (4) include lock benevolence (41), its characterized in that: the lock is characterized by further comprising an indication block (9) arranged on the shell, wherein the indication block (9) is provided with a customs unlocking display area (91), the shell is provided with a prompt display window (111), and the indication block (9) is in linkage connection with the key assembly (4);

when the lock is unlocked through the key assembly (4), the unlocking key is inserted to drive the lock core (41) to rotate, the lock core (41) rotates to drive the indication block (9) to move, and the indication block (9) moves to a customs unlocking display area (91) to correspond to the prompt display window (111); when the lock core (41) is locked, the customs unlocking display area (91) keeps the position state of the corresponding prompt display window (111);

the key assembly (4) further comprises a baffle (42) which is linked with the lock core (41), and the indicating block (9) is rotationally connected with the shell;

the lock core (41) drives the baffle plate (42) to rotate when rotating, the baffle plate (42) rotates to unlock, and meanwhile, the indication block (9) is pushed to rotate to a customs unlocking display area (91) corresponding to the prompt display window (111) when the baffle plate (42) rotates;

the shell is provided with an elastic tongue piece (121), and the elastic tongue piece (121) comprises a connecting end (1211) connected with the shell and a free end (1212) capable of elastically deforming relative to the connecting end (1211);

in the process that the indication block (9) moves to the indication display window (111) corresponding to the customs unlocking display area (91), the indication block (9) presses the free end (1212) of the elastic tongue piece (121) to further pass through the free end (1212) of the elastic tongue piece (121), and after the indication block (9) moves to the indication display window (111) corresponding to the customs unlocking display area (91), the free end (1212) of the elastic tongue piece (121) limits the indication block (9) to prevent automatic reset;

an indication block reset spring (900) is arranged between the indication block (9) and the shell, and the indication block reset spring (900) generates elastic deformation when the indication block (9) moves to a prompt display window (111) corresponding to the customs unlocking display area (91); the password component (3) and the key component (4) of the fixed lock are both linked with the connecting plate (5) of the fixed lock, a connecting plate reset spring (500) is arranged between the connecting plate (5) and the shell, when the connecting plate (5) moves to unlock, the connecting plate reset spring (500) generates elastic deformation, and a pressing block (51) is arranged on the connecting plate (5);

when the fixed lock is unlocked through the password component (3), the push button (2) is pressed to push the connecting plate (5) to move, and when unlocking is achieved, the pressing block (51) presses the free end (1212) of the elastic tongue piece (121), so that the elastic tongue piece (121) is pressed downwards to release the limit of the indicating block (9), and the indicating block reset spring (900) is elastically deformed to drive the indicating block (9) to reset.

2. A submersible fixing lock according to claim 1, wherein: the customs unlocking display area (91) of the indication block (9) is provided with a display color which is different from the color of other places of the indication block (9) so as to distinguish unlocking from unlocking.

3. A submersible fixing lock according to claim 2, wherein: the display color is red, green or yellow.

4. A submersible fixing lock according to claim 1, wherein: the password component (3) of the fixed lock comprises a password wheel group (32) and a central rod (33), an auxiliary block (331) is arranged at the end, close to the button (2), of the central rod (33), an auxiliary inclined plane (100) is arranged at the auxiliary block (331) and/or the button (2), and one end of the connecting plate (5) of the fixed lock is sleeved on the auxiliary block (331); after the password wheel group (32) is unlocked, the button (2) is pressed, the button (2) pushes the central rod (33) to move, and the central rod (33) pushes the connecting plate (5) to move so as to unlock.

5. The submersible fastener lock of claim 4, wherein: the password assembly (3) further comprises a carriage (34), and a connecting rod (7) and a connecting rod return spring (8) are further arranged in the shell;

when the password wheel set (32) is locked, the password wheel set (32) extrudes the carriage (34), the carriage (34) pushes the connecting rod (7) to move, the connecting rod return spring (8) generates elastic deformation, and the limiting part (71) of the connecting rod (7) moves to be blocked below the button (2), so that the button (2) cannot move downwards; when the password wheel set (32) is unlocked, the password wheel set (32) loses extrusion force on the carriage (34), the elastic force generated by elastic deformation of the connecting rod return spring (8) drives the connecting rod (7) to move, the connecting rod (7) moves to enable the limiting part (71) to be staggered with the button (2), limiting on the button (2) is released, and the button (2) can be pressed to unlock.

6. A submersible fixing lock according to claim 1, wherein: the lock hook component (6) of the fixed lock comprises a frame (61) and two groups of lock hook groups (62) arranged on the frame (61), wherein each group of lock hook groups (62) comprises a hook piece (621) rotatably connected with the frame (61), a hook piece reset torsion spring (622) arranged between the frame (61) and the hook piece (621), a stop block (623) rotatably connected with the frame (61) and a stop block reset torsion spring (624) arranged between the stop block (623) and the frame (61), and the stop block (623) of the fixed lock is in linkage connection with the hook piece (621) and the connecting plate (5);

when the connecting plate (5) of the fixed lock moves to unlock, the connecting plate (5) drives the stop block (623) to rotate, the stop block reset torsion spring (624) generates elastic deformation, the stop block (623) rotates to drive the hook piece (621) to rotate to unlock, and the hook piece reset torsion spring (622) generates elastic deformation.

7. A submersible fixing lock according to claim 1, wherein: the end part of the button (2) of the fixed lock, which is exposed outside the shell, is provided with a silica gel cover (22).