CN108843155B

CN108843155B - External fixed lock

Info

Publication number: CN108843155B
Application number: CN201811002060.1A
Authority: CN
Inventors: 徐正; 李柏; 钟洪亮; 薛鹤飞
Original assignee: Dongguan Jingyu Industrial Co ltd
Current assignee: Dongguan Jingyu Industrial Co ltd
Priority date: 2018-08-30
Filing date: 2018-08-30
Publication date: 2023-08-22
Anticipated expiration: 2038-08-30
Also published as: CN108843155A

Abstract

The invention discloses an external fixed lock, which is technically characterized by comprising a shell, a coded lock assembly, a key lock assembly and a limit cover, wherein the coded lock assembly, the key lock assembly and the limit cover are arranged on the shell; the zipper is sleeved on the lock column through the through hole, and the limit cover covers the lock column to realize locking; when the coded lock assembly and the key lock assembly are in a locking state, the limiting cover cannot move; when one of the coded lock assembly and the key lock assembly is in an unlocking state, the limiting cover is moved to be staggered with the lock column, the zipper is separated from the lock column to unlock, and the purposes of fewer parts and simple structure for locking and unlocking by matching with the zipper are achieved.

Description

External fixed lock

Technical Field

The invention relates to the technical field of locks, in particular to an external fixed lock.

Background

An external fixed lock, in particular to a coded lock which is matched with a zipper of a case to lock and unlock. The Chinese patent with the publication number of CN206581712U discloses a coded lock of a zipper, which structurally comprises a lock hook buckled with the zipper and a locking block used for propping against the lock hook to realize locking, and also comprises an unlocking structure, wherein the lock hook is in an unlocking position before locking by arranging the lock block with an elastic structure, when the lock is to be locked, the lock hook is buckled into the lock hook by holding the zipper by hand, the lock hook is pressed to extrude the lock block, the lock block is elastically deformed, the lock hook passes over the lock block at the moment, then the zipper is released by hand, and the lock block rebounds and props against the lock hook to enable the lock hook not to return to the unlocking position, so that unlocking is realized. A series of parts such as a lock hook, a lock block, an unlocking structure and the like are needed in the zipper coded lock to realize the matched locking and unlocking with the zipper, and the structure is complex.

Disclosure of Invention

The invention aims to provide an external fixed lock, which achieves the purposes of fewer parts and simple structure for realizing locking and unlocking by matching with a zipper.

The technical aim of the invention is realized by the following technical scheme: an external fixed lock comprises a shell, a coded lock assembly, a key lock assembly and a limit cover, wherein the coded lock assembly, the key lock assembly and the limit cover are arranged on the shell;

the zipper is sleeved on the lock column through the through hole, and the limit cover covers the lock column to realize locking; when the coded lock assembly and the key lock assembly are in a locking state, the limiting cover cannot move; when one of the coded lock component and the key lock component is in an unlocking state, the limiting cover is moved to be staggered with the lock column, and the zipper is separated from the lock column to realize unlocking.

As further optimization, the lock is further provided with a limiting block arranged on the shell, when the limiting cover covers the lock column to lock, the limiting block limits the limiting cover to prevent the limiting cover from moving, and when the limiting block is pressed to enable the limiting block to move to be staggered with the limiting cover, the limiting cover can move to unlock; the limiting block is linked with the coded lock assembly and the key lock assembly simultaneously, when the coded lock assembly and the key lock assembly are in a locking state, the limiting block cannot move, and when one of the coded lock assembly and the key lock assembly is in an unlocking state, the limiting block can be pressed to move.

As a further optimization, the limiting cover is provided with a button, and when one of the coded lock assembly and the key lock assembly is in an unlocking state, the limiting block can be moved by pressing the button.

As further optimization, the lock is further provided with a linkage piece arranged on the shell, the linkage piece is positioned below the limiting block, the linkage piece is simultaneously connected with the coded lock assembly and the key lock assembly in a linkage way, and the linkage piece is provided with a yielding hole;

when the coded lock assembly and the key lock assembly are in a locking state, the abdication hole of the linkage piece is staggered with the limiting block, and the limiting block cannot move; when one of the coded lock component and the key lock component is in an unlocking state, the abdication hole of the linkage piece is aligned with the limiting block, and the limiting block can movably penetrate into the abdication hole.

As further optimization, the coded lock assembly comprises a coded wheel set and a transmission piece in linkage connection with the coded wheel set, wherein the transmission piece is in linkage connection with the linkage piece;

in the unlocking process of the password wheel set, the transmission piece moves, the transmission piece drives the linkage piece to move, and the linkage piece moves to the position yielding hole to be aligned with the limiting block.

As further optimization, the coded wheel set comprises three groups of digital wheel sets, each group of digital wheel sets comprises a digital wheel, an inner sleeve and an inner sleeve reset spring, the digital wheel is clamped with the inner sleeve and can drive the inner sleeve to rotate together, the coded lock assembly further comprises a number changing piece, and three funnel holes are formed in the number changing piece corresponding to the inner sleeve of the three groups of digital wheel sets;

when the number changing piece is not used, the funnel hole is staggered with the inner sleeve, and the inner sleeve reset spring elastically deforms; when the coded lock assembly is in an unlocking state and the code is required to be changed, the code changing piece can move, the code changing piece moves to the position that the funnel hole is aligned with the inner sleeve, the elastic force generated by elastic deformation of the reset spring of the inner sleeve drives the inner sleeve to move to the position that part of the inner sleeve penetrates into the funnel hole, so that the inner sleeve is blocked and separated from the digital wheel, and the needed unlocking number can be changed through the digital wheel.

As further optimization, a limiting ball is also arranged in the shell, and both the number changing piece and the transmission piece are provided with limiting grooves;

when the coded lock assembly is in an unlocking state, the limiting groove on the number changing piece is aligned with the limiting groove on the transmission piece, and the limiting ball is pushed to move close to the transmission piece when the number changing piece moves; when the coded lock assembly is in a locking state, the limiting groove on the number changing piece is staggered with the limiting groove on the transmission piece, the limiting ball is positioned at the limiting groove on the number changing piece, and the limiting ball plays a limiting role on the movement of the number changing piece.

As further optimization, the key lock assembly comprises a lock core and a lock core baffle, wherein the lock core baffle is in linkage connection with the lock core, a connecting rod is also arranged in the shell, and the connecting rod is simultaneously in linkage connection with the lock core baffle and the linkage piece;

when the unlocking is carried out through the key, the key drives the lock core to rotate, the lock core drives the lock core baffle to rotate, the lock core baffle drives the connecting rod to move, and the connecting rod drives the linkage piece to move so as to realize unlocking.

As further optimization, the lock core baffle plate is unlocked or moved to reset by pushing the connecting rod to move through the two shifting blocks when rotating.

As further optimization, the push rod is rotationally connected in the shell, one end of the push rod is driven to rotate when the connecting rod moves, and the other end of the push rod pushes the linkage piece to move when the push rod rotates, so that unlocking is realized.

In summary, the invention has the following beneficial effects: the zipper is sleeved on the lock column through the through hole, the limit cover covers the lock column to realize locking, and the limit cover is moved to be staggered with the lock column, so that the zipper is separated from the lock column to realize unlocking; the external fixed lock can realize locking and unlocking only through the cooperation of the limiting cover and the locking column and the zipper, compared with the external fixed lock in the prior art, fewer parts are needed, the structure is simpler, and further the operation during locking and unlocking is simpler and more convenient.

Drawings

FIG. 1 is a schematic view of an external lock according to an embodiment of the present invention;

FIG. 2 is a schematic view of an external lock according to an embodiment of the present invention, partially cut away;

FIG. 3 is a schematic exploded view of an external lock according to an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating the coordination relationship among a combination lock assembly, a key lock assembly, a linkage member and a stopper in an external lock according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an exploded structure of a combination lock assembly, a key lock assembly, a linkage member and a stopper in an external lock according to an embodiment of the present invention.

In the figure: 1. a housing; 11. locking a column; 2. a combination lock assembly; 21. a cipher wheel set; 211. a digital wheel set; 2111. a digital wheel; 2112. an inner sleeve; 2113. an inner sleeve reset spring; 22. a transmission member; 220. a transmission member return spring; 23. a number changing piece; 231. a funnel hole; 232. a bump; 24. a limit ball; 3. a key lock assembly; 31. a lock core; 32. a lock core baffle; 321. a shifting block; 33. a connecting rod; 34. a push rod; 4. a limit cover; 41. a button; 42. a button return spring; 5. a limiting block; 500. a limiting block reset spring; 6. a linkage member; 61. a relief hole; 600. a linkage member return spring; 100. a zipper; 110. and a through hole.

Detailed Description

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

Fig. 1 shows a schematic structural diagram of an external lock according to an embodiment of the present invention in a locked state when the external lock is matched with a zipper 100, where the external lock includes a housing 1, a coded lock assembly 2 provided in the housing 1, a key lock assembly 3, and a limit cover 4. Fig. 2 is a view partially cut-away on the basis of fig. 1 to show the internal structure of the position-limiting cover 4 and the matching relationship with the housing 1 and other components, the housing 1 is further provided with a lock post 11, the distance between the upper end surface of the lock post 11 and the lower end surface of the position-limiting cover 4 is smaller than the thickness of the zipper 100, and the lock post 11 is matched with the through hole 110 of the zipper 100. When the external fixed lock is in a locking state, the zipper 100 is sleeved on the lock column 11 through the through hole 110, the limiting cover 4 covers the lock column 11, so that the zipper 100 cannot be separated from the lock column 11, the lock column 11 limits the radial movement of the zipper 100 along the through hole 110, and the limiting cover 4 limits the axial movement of the zipper 100 along the through hole 110, so that locking is realized. And when the coded lock assembly 2 and the key lock assembly 3 are in the locked state, the limiting cover 4 is limited and cannot move, so that the limiting cover 4 keeps the limiting effect on the zipper 100, and the anti-theft protection effect is achieved. When one of the coded lock assembly 2 and the key lock assembly 3 is in an unlocking state, the limiting cover 4 can move to the position where the limiting cover 4 is staggered with the lock column 11 along the width direction of the shell 1, namely, the limiting of the limiting cover 4 to the zipper 100 is released, and the zipper 100 can be separated from the lock column 11 to unlock. The external fixed lock can realize locking and unlocking only through the cooperation of the limiting cover 4 and the lock column 11 and the zipper 100, compared with the external fixed lock in the prior art, fewer parts are needed, the structure is simpler, and further the operation during locking and unlocking is simpler and more convenient.

As shown in fig. 2, the external fixing lock further comprises a limiting block 5 arranged in the shell 1, and when the limiting cover 4 covers the lock column 11 to lock, the limiting block 5 limits the limiting cover 4 so that the limiting cover 4 cannot move to unlock. When the limiting block 5 is pressed to move to be staggered with the limiting cover 4, the limiting of the limiting block 5 to the limiting cover 4 is released, and the limiting cover 4 can move to unlock. The limiting block 5 is simultaneously connected with the coded lock assembly 2 and the key lock assembly 3 in a linkage way, and when the coded lock assembly 2 and the key lock assembly 3 are in a locking state, the limiting block 5 cannot move; when one of the coded lock assembly 2 and the key lock assembly 3 is in an unlocking state, the limiting block 5 can be pressed to move, and then the limiting cover 4 can be moved to unlock. When the limiting cover 4 moves to unlock, the limiting cover 4 plays a role in separating the limiting block 5, so that the limiting block 5 cannot be reset. A limiting block reset spring 500 is arranged between the limiting block 5 and the shell 1, and the limiting block reset spring 500 generates elastic deformation when the limiting block 5 moves to be staggered with the limiting cover 4. The limiting cover 4 is hinged with the button 41, the button 41 is pressed, the button 41 pushes the limiting block 5 to move, and the setting of the button 41 enables the two actions of the limiting block 5 to move and the limiting cover 4 to move to be more convenient to operate. A button return spring 42 is provided between the button 41 and the stopper cover 4, and the button return spring 42 is elastically deformed when the button 41 is pressed.

Fig. 3 is an exploded schematic view of the external fixing lock, and in combination with fig. 2 and 3, a linkage member 6 is further disposed in the housing 1, the linkage member 6 is located below the limiting block 5, the linkage member 6 is simultaneously connected with the combination lock assembly 2 and the key lock assembly 3 in a linkage manner, and the linkage member 6 is provided with a yielding hole 61. When the coded lock assembly 2 and the key lock assembly 3 are in a locking state, the abdication hole 61 of the linkage piece 6 is staggered with the limiting block 5, and the limiting block 5 cannot move; in the process of changing one of the coded lock assembly 2 and the key lock assembly 3 from the locked state to the unlocked state, the linkage member 6 is driven to move so that the relief hole 61 is aligned with the limiting block 5, and the limiting block 5 can move to penetrate into the relief hole 61.

Fig. 4 and 5 show the combination lock assembly 2, the key lock assembly 3, the linkage member 6 and the stopper 5 respectively, and the structure after disassembly, and, in combination with fig. 3, 4 and 5, the combination lock assembly 2 includes a combination wheel 21, a transmission member 22 and a number changing member 23, and the transmission member 22 is simultaneously linked with the combination wheel 21 and the linkage member 6. The correct unlocking number is input through the password wheel set 21, the password lock assembly 2 is changed from the locking state to the unlocking state, in the process, the transmission piece 22 moves, and the transmission piece 22 drives the linkage piece 6 to move; when the combination lock assembly 2 is in the unlocked state, the linkage member 6 moves to align the relief hole 61 with the stop block 5. A transmission member return spring 220 is arranged between the transmission member 22 and the shell 1, and the transmission member return spring 220 is in an elastic deformation state when the coded lock assembly 2 is in a locked state; in the unlocking process by the combination wheel set 21, the elastic force generated by the elastic deformation of the transmission member return spring 220 drives the transmission member 22 to move. A linkage piece reset spring 600 is arranged between the linkage piece 6 and the shell 1, and when the transmission piece 22 moves to unlock, the transmission piece 22 drives the linkage piece 6 to move, and the linkage piece reset spring 600 generates elastic deformation; the transmission member 22 moves so that when the combination lock assembly 2 is in the locked state, the elastic force generated by the elastic deformation of the return spring 600 drives the linkage member 6 to move.

As shown in connection with fig. 3, 4 and 5, the cipher wheel set 21 includes three sets of digital wheel sets 211, each set of digital wheel sets 211 including a digital wheel 2111, an inner sleeve 2112 and an inner sleeve return spring 2113. The number wheel 2111 is engaged with the corresponding inner sleeve 2112, and the number wheel 2111 can rotate with the corresponding inner sleeve 2112 when rotated. The number changing member 23 is provided with three funnel holes 231 corresponding to the inner sleeves 2112 of the three digital wheel sets 211 (the funnel holes 231 are funnel-shaped holes), and the number changing member 23 is provided with a protruding block 232 protruding out of the housing 1. When the number changing piece 23 is not used, the funnel hole 231 is staggered with the inner sleeve 2112, and the inner sleeve return spring 2113 is elastically deformed; when the combination lock assembly 2 is in an unlocking state, when a combination is required to be changed, the number changing piece 23 can be driven to move through the protruding block 232, the number changing piece 23 moves to the funnel hole 231 to be aligned with the inner sleeve 2112, and the elastic force generated by elastic deformation of the inner sleeve return spring 2113 drives the inner sleeve 2112 to move to partially penetrate into the funnel hole 231, so that the inner sleeve 2112 is clamped and separated from the corresponding number wheel 2111, and at the moment, the number wheel 2111 can be stirred to change a required unlocking number.

As shown in fig. 3, fig. 4 and fig. 5, the shell 1 is further provided with a limiting ball 24, the number changing piece 23 and the transmission piece 22 are respectively provided with a limiting groove, the limiting groove on the number changing piece 23 is a semicircular groove, the limiting groove on the transmission piece 22 is a quarter circular groove, and the shell 1 is correspondingly provided with a limiting groove for limiting the position of the limiting ball 24. When the coded lock assembly 2 is in an unlocking state, the limiting groove on the number changing piece 23 is aligned with the limiting groove on the transmission piece 22, and the limiting ball 24 is pushed to move close to the transmission piece 22 when the number changing piece 23 moves; when the coded lock assembly 2 is in a locked state, the limiting groove on the coded lock assembly 23 is staggered with the limiting groove on the transmission piece 22, the limiting ball 24 is positioned at the limiting groove on the coded lock assembly 23, the limiting ball 24 limits the movement of the coded lock assembly 23, so that the coded lock assembly 23 cannot move, and the limiting ball 24 limits the coded lock assembly 23 only can change the needed unlocking number when the coded lock assembly 2 is in an unlocked state.

As shown in fig. 3, 4 and 5, the key lock assembly 3 includes a lock core 31 and a lock core baffle 32, and the lock core baffle 32 is coupled to the lock core 31 in a linkage manner. A connecting rod 33 is also arranged in the shell 1, and the connecting rod 33 is simultaneously connected with the lock core baffle 32 and the linkage piece 6 in a linkage way. When the key is used for unlocking, the key is inserted into the lock core 31 and then drives the lock core 31 to rotate, the lock core 31 drives the lock core baffle 32 to rotate, the lock core baffle 32 drives the connecting rod 33 to move, and the connecting rod 33 drives the linkage piece 6 to move so as to unlock. The lock core baffle 32 is provided with two shifting blocks 321, and when the lock core baffle 32 rotates, the connecting rod 33 is pushed to move through the shifting blocks 321. A push rod 34 is also rotatably connected in the shell 1, one end of the push rod 34 is connected with the connecting rod 33 in a linkage way, and the other end of the push rod 34 is used for pushing the linkage piece 6 to move. When the connecting rod 33 moves to unlock, the connecting rod 33 drives one end of the push rod 34 to rotate, and when the push rod 34 rotates, the other end of the push rod pushes the linkage piece 6 to move so as to unlock.

The external fixed lock has the following two unlocking modes: 1. the combination lock assembly 2 is used for unlocking, correct unlocking numbers are input through the number wheels 2111 of the three groups of number wheel sets 211, in the input process, the elastic force generated by the elastic deformation of the transmission member reset spring 220 drives the transmission member 22 to move, the transmission member 22 drives the linkage member 6 to move, when the combination lock assembly 2 is in an unlocking state, the linkage member 6 moves to align the abdication hole 61 with the limit block 5, the button 41 on the limit cover 4 is pressed, the button 41 pushes the limit block 5 to move, the limit cover 4 is pushed to move along the width direction of the shell 1 until the limit cover 4 is staggered with the lock column 11, and the zipper 100 is separated from the lock column 11 to realize unlocking; 2. unlocking is carried out through the key lock assembly 3, the key is inserted into the lock core 31 to drive the lock core 31 to rotate, the lock core 31 drives the lock core baffle 32 to rotate, the lock core baffle 32 pushes the connecting rod 33 to move, the connecting rod pushes the push rod 34 to rotate, the push rod 34 pushes the linkage piece 6 to move, the linkage piece 6 moves to the position giving hole 61 to be staggered with the limiting block 5, the button 41 on the limiting cover 4 is pressed, the button 41 pushes the limiting block 5 to move, the limiting cover 4 is pushed to move to the position giving cover 4 to be staggered with the lock cylinder 11 along the width direction of the shell 1, and the zipper 100 is separated from the lock cylinder 11 to realize unlocking.

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. An external fixed lock, its characterized in that: the lock comprises a shell, a coded lock assembly, a key lock assembly and a limiting cover, wherein the coded lock assembly, the key lock assembly and the limiting cover are arranged on the shell;

the zipper is sleeved on the lock column through the through hole, and the limit cover covers the lock column to realize locking; when the coded lock assembly and the key lock assembly are in a locking state, the limiting cover cannot move; when one of the coded lock assembly and the key lock assembly is in an unlocking state, the limiting cover is moved to be staggered with the lock column, so that the zipper is separated from the lock column to realize unlocking;

the lock is locked by covering the lock column by the limit cover, the limit cover is locked by the limit cover, the limit cover cannot move due to the limit of the limit cover, and the limit cover can move to unlock when the limit cover is pressed to enable the limit block to move to be staggered with the limit cover; the limiting block is linked with the coded lock assembly and the key lock assembly at the same time, when the coded lock assembly and the key lock assembly are in a locking state, the limiting block cannot move, and when one of the coded lock assembly and the key lock assembly is in an unlocking state, the limiting block can be pressed to move;

the device also comprises a linkage piece arranged on the shell, the linkage piece is positioned below the limiting block, the linkage piece is simultaneously linked with the coded lock assembly and the key lock assembly, and is provided with a relief hole;

when the coded lock assembly and the key lock assembly are in a locking state, the abdication hole of the linkage piece is staggered with the limiting block, and the limiting block cannot move; when one of the coded lock component and the key lock component is in an unlocking state, the abdication hole of the linkage piece is aligned with the limiting block, and the limiting block can movably penetrate into the abdication hole;

the coded lock assembly comprises a coded wheel set and a transmission piece in linkage connection with the coded wheel set, and the transmission piece is in linkage connection with the linkage piece;

in the unlocking process of the password wheel set, the transmission piece moves, the transmission piece drives the linkage piece to move, and the linkage piece moves to align the abdication hole with the limiting block;

the key lock assembly comprises a lock core and a lock core baffle, the lock core baffle is connected with the lock core in a linkage way, a connecting rod is also arranged in the shell, and the connecting rod is simultaneously connected with the lock core baffle and the linkage piece in a linkage way;

2. An external lock according to claim 1, wherein: the limiting cover is provided with a button, and when one of the coded lock component and the key lock component is in an unlocking state, the limiting block can be moved by pressing the button.

3. An external lock according to claim 1, wherein: the coded wheel set comprises three groups of digital wheel sets, each group of digital wheel sets comprises a digital wheel, an inner sleeve and an inner sleeve reset spring, the digital wheel is clamped with the inner sleeve and can drive the inner sleeve to rotate together, the coded lock assembly also comprises a number changing piece, and three funnel holes are formed in the inner sleeve of the number changing piece corresponding to the three groups of digital wheel sets;

when the number changing piece is not used, the funnel hole is staggered with the inner sleeve, and the inner sleeve reset spring elastically deforms; when the coded lock assembly is in an unlocking state and the code is required to be changed, the code changing piece can move, the code changing piece moves to the position that the funnel hole is aligned with the inner sleeve, and the elastic force generated by elastic deformation of the reset spring of the inner sleeve drives the inner sleeve to move to the position that part of the inner sleeve penetrates into the funnel hole, so that the inner sleeve is connected with and disconnected from the digital card, and the unlocking number required by the digital wheel can be changed at the moment.

4. An external lock according to claim 3, wherein: a limiting ball is also arranged in the shell, and both the number changing piece and the transmission piece are provided with limiting grooves;

5. An external lock according to claim 1, wherein: when the lock core baffle rotates, the connecting rod is pushed to move by the two shifting blocks to realize unlocking or moving reset.

6. An external lock according to claim 5, wherein: the push rod is further rotationally connected in the shell, one end of the push rod is driven to rotate when the connecting rod moves, and the other end of the push rod pushes the linkage piece to move when the push rod rotates so as to unlock.