CN200952293Y - Permutation lock for bicycle - Google Patents

Abstract

A number vehicle lock that the number controls opening and closing, comprises a lock body, a steel wire rope, three fixed sleeves, there number wheels which are mutually connected as well as a built-in key. One end of the steel wire rope is connected with the lock body, the other end is connected with the built-in key, the key is inserted into the lock body to rotate three number wheels, the slot holes inside the number wheels stick the key outer slot to lock, and rotate three number wheels in turn in accordance with numbers, making the slot holes of inner parts of the number wheels align with the key outer slot, then pull out the key to open.

Description

The number lock

Affiliated technical field:

The utility model designs a kind of lock, mainly is light cavalry, electric bicycle etc., and safe antitheft is with lock.

Background technology:

At present, it is a lot of that the lock kind is sold in market, as latch lock, chain lock etc., its technology is very ripe, but its principle is roughly the same, by the switch of lock core control lock, needs the external application key to cooperate and just can finish, phenomenon such as key loss often occurs or leave behind is mainly utilized master key to steal car to the robber convenience is provided.

Summary of the invention:

In order to solve the deficiency of existing lock, the utility model provides a kind of number lock, and this lock has not only solved losing of key or problem such as left behind, and can effectively prevent to lose problem such as car.

The utility model solves the technical scheme of the employing of its technical problem: it is that lock body, wire rope, three fixed muffles, three digit wheels interconnect, and have a built-in key.Wire rope one end is connected with lock body, and the other end is connected with built-in key, and key inserts three digit wheels of rotation in the lock body, slotted eye in the digit wheel blocks the key water jacket, promptly pins, and rotates three digit wheels successively according to number, the inner slotted eye of digit wheel is alignd with the key water jacket, pull out key and promptly open.

The beneficial effects of the utility model are: can avoid key lose or problem such as leave behind has also improved theftproof performance simultaneously greatly, easy to use, simple in structure.

Description of drawings:

Below in conjunction with drawings and Examples the utility model is further specified.

Figure one is the throwing face structure chart of this new shape embodiment.

Among the figure: 1, key 2, lock body 3, fixed muffle 4, digit wheel

5, sleeve 6, digit wheel 7, sleeve 8, digit wheel

9, abutment sleeve 10, wire rope

Specific implementation method:

In Fig. 1, lock body (2), fixed muffle (3), digit wheel (4), sleeve (5), digit wheel (6), sleeve (7), digit wheel (8), abutment sleeve (9), the connection that cooperatively interacts, fix abutment sleeve, with digit wheel (3), (5), (7), adjust to the home position, key inserted lock core, rotate digit wheel (3), (5), (7), get final product.

Under nature, digit wheel (3), (5), (7) are rotated the number that is adjusted in advance design respectively, key is pulled out, lock is promptly opened.

Claims (2)

1, a kind of number lock, be linked in sequence at lock body mouth, three fixed muffles, three digit wheels, wire rope, the wire rope other end is connected with built-in key, it is characterized in that: lock body and three fixed muffles, three digit wheels are assembled into as a whole, key locks in lock body inside, and the outer end is connected with wire rope.

2, number lock according to claim 1, it is characterized in that: three digit wheels exceed three fixed muffles, three digit wheel circumferential surfaces all are carved with number, three fixed muffle circumferential surfaces are carved with the check mark code-point, three digit wheels are all free to rotate on lock body, key locks in lock body inside, and outward appearance be can't see lockhole.