CN219045364U - Chain lock capable of being opened by cipher or key - Google Patents

Abstract

The utility model relates to a chain lock capable of being opened by a password or a key, which comprises a lock body, a password lock head, a mechanical lock head and a chain, wherein the password lock head is arranged at one end of the chain, the mechanical lock head is arranged at the other end of the chain, a password rotary table matched with the password lock head is rotationally arranged on the lock body, the password rotary table is provided with a password locking state for fixing the password lock head and a password unlocking state for unfixed password lock head, a linkage piece matched with the mechanical lock head is arranged on the lock body and is controlled to rotate by the key, and the linkage piece is provided with a mechanical locking state for fixing the mechanical lock head and a mechanical unlocking state for unfixed mechanical lock head. The utility model provides a chain lock which can be unlocked by a password or a key.

Description

Chain lock capable of being opened by cipher or key

Technical Field

The utility model relates to a chain lock, in particular to a chain lock which can be unlocked by a password or a key.

Background

Chain locks are used to secure bicycles or motorcycles for theft protection. The chain lock comprises a lock cylinder, a lock head and a chain, wherein one end of the chain is used for fixing the lock cylinder, the other end of the chain is used for fixing the lock head, the lock head is inserted into the lock cylinder, and the chain is closed loop, so that the fixation of a bicycle or a motorcycle is achieved.

At present, the chain lock is mainly a coded lock which is unlocked by a code or a mechanical lock which is unlocked by a key, but the coded lock is not beneficial to being unlocked by other people, for example, the coded lock needs to be unlocked by other people, the code needs to be informed, the risk of secret leakage exists at the subsequent time, a certain potential safety hazard exists, and the mechanical lock has the defects of easy loss and forgetting to carry the key although the mechanical lock does not have the problems, and is inconvenient to carry, so the chain lock which can be unlocked by various modes is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a chain lock which can be unlocked by a password or a key.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the lock comprises a lock body, a coded lock, a mechanical lock and a chain, wherein the coded lock is arranged at one end of the chain, the mechanical lock is arranged at the other end of the chain, a coded rotary table matched with the coded lock is rotationally arranged on the lock body, the coded rotary table is provided with a coded locking state for fixing the coded lock and a coded unlocking state for unfixed coded lock, the lock body is provided with a linkage piece matched with the mechanical lock, the linkage piece is controlled to rotate by a key, and the linkage piece is provided with a mechanical locking state for fixing the mechanical lock and a mechanical unlocking state for unfixed mechanical lock.

Through adopting above-mentioned technical scheme, fix the lock body in the one end of chain through trick lock and cipher turntable during the use, then pass the article that needs to be fixed such as bicycle or motorcycle with the chain, and the other end of chain is for having mechanical lock, mechanical lock cooperatees with the linkage, make mechanical lock be fixed in the lock body, reach the fixed purpose of chain lock, and when needs unblock, first usable password, rotate the cipher turntable to suitable position, make the cipher turntable be in the password unblock state, can pull out the chain with the trick lock from the lock body this moment, the second also can use the key, insert the key in the linkage, drive the linkage and rotate to mechanical unblock state, can pull out the chain with mechanical lock from the lock body this moment, can pull out the trick lock from the lock body through the password, also can pull out mechanical lock from the lock body through the key, the advantage of trick lock and mechanical lock has been taken into account, when providing other people with the use, can give the password can not leak, also can use the key when oneself uses, also can use the key after carrying, can forget to unlock.

The utility model is further provided with: the password lock comprises a chain fixing head and a lock password rod, wherein the chain fixing head is connected with the chain, the lock password rod is arranged on the other side of the chain fixing head opposite to the chain, a plurality of password blocks are arranged on the lock password rod and are uniformly distributed along the lock password rod, password block gaps are formed between adjacent password blocks, a blocking ring which synchronously rotates along with the password rotary table is arranged in the password rotary table and is located in the password block gaps and on the moving track of the password blocks, a moving notch is formed in the blocking ring, and when the password rotary table is in a password unlocking state, the moving notch is located in the password block gaps.

Through adopting above-mentioned technical scheme, when the lock password pole inserts the lock body, on the removal orbit of the removal breach on the baffle ring and password piece this moment, the password piece can go out through from the removal breach promptly, after the lock password pole inserts in place, remove the breach and be located password piece clearance this moment, then rotate the password carousel, thereby drive the baffle ring and rotate, make the removal breach shift out in the password piece clearance, the baffle ring gets into in the password piece clearance, if remove the lock password pole, the password piece can offset with the baffle ring, the unable removal of lock password pole promptly, reach the purpose that the password carousel is fixed the password tapered end on the lock body.

The utility model is further provided with: the lock body on be provided with the vertical groove that supplies the tapered end code bar to penetrate, be provided with the transverse groove that supplies the mechanical tapered end to penetrate on the lock body, be provided with on the lock body and supply linkage spare pivoted link groove, the link groove has and extend to the UNICOM mouth with transverse groove UNICOM, the mechanical tapered end be provided with arc annular and UNICOM mouth relatively, the linkage spare has the annular portion that gets into arc annular, be provided with mechanical breach on the annular, when being in the mechanical unblock state, mechanical breach is relative with arc annular.

Through adopting above-mentioned technical scheme, when the machinery tapered end inserts horizontal groove, the machinery breach of annular portion is relative with the arc annular this moment, and later inserts the key in the linkage, drives the linkage and rotates, thereby make the machinery breach shift out from the arc annular, other positions of annular portion get into, the gap with the cipher turntable lies in that the cipher turntable sets up a plurality of, the cipher turntable can rotate at will, only every cipher turntable rotates the position of settlement, tapered end cipher pole just can shift out, and the linkage only inserts the back with the key, just can rotate.

The utility model is further provided with: the lock is characterized in that a password guide head is arranged at the bottom of the lock body, the password guide head is provided with a password opening opposite to the vertical groove, a mechanical guide head is arranged at the side part of the lock body, the mechanical guide head is provided with a mechanical opening opposite to the transverse groove, and a lock shell is arranged outside the lock body.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall utility model;

FIG. 3 is a cross-sectional view of the utility model with respect to a combination dial;

FIG. 4 is a partial exploded view of the combination dial of the present utility model;

FIG. 5 is a schematic diagram of the structure of the coded lock head of the present utility model;

FIG. 6 is a top view of the combination dial of the present utility model;

FIG. 7 is a cross-sectional view of the utility model with respect to a linkage;

FIG. 8 is a schematic structural view of a linkage of the present utility model;

FIG. 9 is a schematic view of the structure of the lock body of the present utility model;

fig. 10 is a schematic structural view of the mechanical lock of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-10, the utility model discloses a chain lock capable of being unlocked by a password or a key, which comprises a lock body 1, a password lock head 2, a mechanical lock head 3 and a chain, wherein the password lock head 2 is arranged at one end of the chain, the mechanical lock head 3 is arranged at the other end of the chain, a password rotary table 4 matched with the password lock head 2 is rotatably arranged on the lock body 1, the password rotary table 4 is provided with a password locking state for fixing the password lock head 2 and a password unlocking state for unfixed password lock head 2, a linkage piece 5 matched with the mechanical lock head 3 is arranged on the lock body 1, the linkage piece 5 is controlled to rotate by the key, the linkage piece 5 is provided with a mechanical locking state for fixing the mechanical lock head 3 and a mechanical unlocking state for unfixed mechanical lock head 3, the advantages of the password lock and the mechanical lock are considered, the key can be given when the lock is used by others, the password can not leak, the key can be used when the user forgets to carry the key, and the user can also unlock by the password.

The coded lock head 2 comprises a chain fixing head 21 and a coded lock rod 22, the chain fixing head 21 is connected with a chain, the coded lock rod 22 is arranged on the other side of the chain fixing head 21 opposite to the chain, a plurality of coded blocks 23 are arranged on the coded lock rod 22, the coded blocks 23 are uniformly distributed along the coded lock rod 22, a coded block gap 24 is arranged between adjacent coded blocks 23, a blocking ring 41 which synchronously rotates along with the coded rotary disk 4 is arranged in the coded rotary disk 4, the blocking ring 41 is positioned in the coded block gap 24 and positioned on the moving track of the coded block 23, a moving notch 42 is arranged on the blocking ring 41, when the coded rotary disk 4 is in a coded unlocking state, the moving notch 42 is positioned in the coded block gap 24, the number of the coded rotary disk 4 is a plurality of, when the coded lock rod 22 is inserted into the lock body 1, the moving notch 42 and the moving track of the coded rotary disk 23, namely the coded block 23 can pass through the moving notch 42, and after the coded lock rod 22 is inserted into the coded lock body 22, the moving notch 42 is positioned in the coded block gap 24, and then the coded rotary disk 4 is rotated, so that the blocking ring 41 is driven to rotate, and the moving notch 42 is moved out of the coded rotary disk 24 from the coded block gap 24 and the coded rotary disk 22, and can not reach the purpose of moving the coded rotary disk 2.

The lock body 1 is provided with a vertical groove 11 for the penetration of the lock head coded rod 22, the lock body 1 is provided with a transverse groove 12 for the penetration of the mechanical lock head 3, the lock body 1 is provided with a linkage groove 13 for the rotation of the linkage piece 5, the linkage groove 13 is provided with a communication port 14 which extends to be communicated with the transverse groove 12, the mechanical lock head 3 is provided with an arc-shaped annular groove 31, the arc-shaped annular groove 31 is opposite to the communication port 14, the linkage piece 5 is provided with an annular part 51 which enters the arc-shaped annular groove 31, the annular part 51 is provided with a mechanical notch 52, when the mechanical lock head 3 is in a mechanical unlocking state, the mechanical notch 52 of the annular part 51 is opposite to the arc-shaped annular groove 31, then a key is inserted into the linkage piece 5 to drive the linkage piece 5 to rotate, so that the mechanical notch 52 is moved out from the arc-shaped annular groove 31, the other positions of the annular part 51 are different from the coded rotary disk 4, the coded disk 4 can rotate randomly only when each coded disk 4 rotates to a set position, and the lock head coded rod 22 can be moved out only after the key is inserted.

The bottom of the lock body 1 is provided with a code guide head 6, the code guide head 6 is provided with a code opening 61 opposite to the vertical groove 11, the side part of the lock body 1 is provided with a mechanical guide head 7, the mechanical guide head 7 is provided with a mechanical opening 71 opposite to the transverse groove 12, and the lock body 1 is externally provided with a lock shell 8.

Specific examples: when the lock is used, the lock body 1 is fixed at one end of a chain through the coded lock head 2 and the coded rotary disk 4, then the chain penetrates through an object needing to be fixed such as a bicycle or a motorcycle, the other end of the chain is provided with the mechanical lock head 3, the mechanical lock head 3 is matched with the linkage piece 5, the mechanical lock head 3 is fixed on the lock body 1, the aim of fixing the chain lock is achieved, when the lock is needed to be unlocked, the coded rotary disk 4 can be rotated to a proper position by using a code, the coded rotary disk 4 is in a code unlocking state, at the moment, the chain with the coded lock head 2 can be pulled out of the lock body 1, the key can be used, the linkage piece 5 can be driven to rotate to a mechanical unlocking state, at the moment, the chain with the mechanical lock head 3 can be pulled out of the lock body 1 by using the code, and the mechanical lock head 3 can be pulled out of the lock body 1 by using the key.

Claims (7)

1. The utility model provides a chain lock that can be opened by password or key, includes the lock body, its characterized in that: the lock body is provided with a linkage piece matched with the mechanical lock head and the linkage piece is controlled to rotate by a key, and the linkage piece is provided with a mechanical locking state for fixing the mechanical lock head and a mechanical unlocking state for unfixing the mechanical lock head.

2. A combination or key openable chain lock as claimed in claim 1 wherein: the password lock comprises a chain fixing head and a lock password rod, wherein the chain fixing head is connected with the chain, the lock password rod is arranged on the other side of the chain fixing head opposite to the chain, a plurality of password blocks are arranged on the lock password rod and uniformly distributed along the lock password rod, password block gaps are formed between adjacent password blocks, a blocking ring which synchronously rotates along with the password turntable is arranged in the password turntable and is positioned in the password block gaps and on the movement track of the password blocks, and a movement gap is formed in the blocking ring.

3. A combination or key openable chain lock as claimed in claim 2 wherein: the number of the cipher turntables is multiple.

4. A combination or key openable chain lock as claimed in claim 2 wherein: the lock body on be provided with the vertical groove that supplies the tapered end code bar to penetrate, be provided with the transverse groove that supplies the mechanical tapered end to penetrate on the lock body, be provided with on the lock body and supply linkage spare pivoted linkage groove, the linkage groove has and extends to the UNICOM mouth with transverse groove UNICOM.

5. A combination or key openable chain lock as claimed in claim 4 wherein: the mechanical lock head is provided with an arc-shaped annular groove, the arc-shaped annular groove is opposite to the communication port, the linkage piece is provided with an annular part which enters the arc-shaped annular groove, and a mechanical notch is arranged on the annular part and is opposite to the arc-shaped annular groove when the mechanical lock head is in a mechanical unlocking state.

6. A combination or key openable chain lock as claimed in claim 4 wherein: the lock is characterized in that a password guide head is arranged at the bottom of the lock body, the password guide head is provided with a password opening opposite to the vertical groove, a mechanical guide head is arranged at the side part of the lock body, and the mechanical guide head is provided with a mechanical opening opposite to the transverse groove.

7. A combination or key openable chain lock as claimed in claim 1 wherein: the lock body is provided with a lock shell.

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