CN208202873U - A kind of anti-chain type bicycle lock to get rusty - Google Patents

Abstract

The utility model discloses a kind of anti-chain type bicycle locks to get rusty, it is characterized by comprising plastic bushings, first connection ring, second connection ring, lock, lockhole, keyhole, tapered end, antirust sleeve, cover board, metal bracelet is equipped with inside the plastic bushing, the metal bracelet both ends are respectively equipped with the first connection ring and the second connection ring, first connection ring is connect with lock, the lock side is equipped with lockhole, keyhole is equipped at the top of the lock, antirust sleeve is coated with outside the lock, the antirust sleeve material is plastics, the antirust sleeve is equipped with protruding portion in lockhole position, the protruding portion is the round tube being connected to antirust sleeve, the antirust sleeve top is equipped with cover board, the cover board is connect by shaft with antirust sleeve, second connection ring is connect with tapered end.Utility model has the advantages that structure is simple, the flexibility used is increased, lockset can be effectively prevent to get rusty, ensure that the using effect of lockset, extends the service life of lockset.

Description

A kind of anti-chain type bicycle lock to get rusty

Technical field

The utility model relates to a kind of lock more particularly to a kind of anti-chain type bicycle locks to get rusty.

Background technique

Bicycle lock plays anti-theft bicycle, there is the bicycle lock of different function on the market, Initial stages for reform and opening-up, perhaps More people appeal to reinforce the safety of bicycle locks, and bicycle lock type is more, and wherein bicycle chain lock is in daily life Relatively conventional, this lock is small four flute profiles lock, and it is in cylinder type, bore is about 25 millimeters, is about that lock body, which is made of aluminium alloy, 5 centimeters, core is that full copper is made, and is mounted on the center portion of lock body, and this lock is connected to one slightly in plane one end of lock body About 6 millimeters of iron chains, whole iron chains are lived by plastics sebific duct jacket, and chain is about eight cun or so of a ruler.Connect in the other end of chain It is connected to the lock pillar head of a section steel.There is a circular groove around a circle on lock pillar head.Have in the plane of the lock body other end One circular hole hole, that is, lock cylinder aperture, can just cover and load lock pillar head.There is the lock for being connected to core in this circular hole hole Bayonet lock.There is one piece of elastic slice on lock card pin.In this way in lock pillar head insertion lock cylinder aperture, elastic slice will pop up lock card pin and not block Circular groove on lock pillar subheader, exactly locks.If unlocked, it only need to stretch key and enter in core keyhole, clockwise Torsion is turn 90 degrees, and core drives pressure elastic slice, and elastic slice drives lock card pin back shrinkage, then pulls out by hand the lock pillar head of chain, and lock is just It opens.This problem of being latched in is: the metallic bond for being exposed to outside gets rusty easily, and influences beauty, gets rusty at lock core and is easy damage Bad lockset be easy to cause the case where can not opening lockset with key, and connects between tapered end and lock and stiff be inconvenient to exert oneself.

Summary of the invention

According to the above technical problem, the utility model provides a kind of anti-chain type bicycle lock to get rusty, it is characterised in that Including plastic bushing, the first connection ring, the second connection ring, lock, lockhole, keyhole, tapered end, antirust sleeve, cover board, the plastics Inside pipe casing is equipped with metal bracelet, and the metal bracelet both ends are respectively equipped with the first connection ring and the second connection ring, and described first Connection ring is connect with lock, and the lock side is equipped with lockhole, and keyhole, cladding outside the lock are equipped at the top of the lock There is antirust sleeve, the antirust sleeve is equipped with protruding portion in lockhole position, and the protruding portion is the round tube being connected to antirust sleeve, described anti- Rust set top is equipped with cover board, and the cover board is connect by shaft with antirust sleeve, and second connection ring is connect with tapered end.

The antirust sleeve material is plastics.

The utility model has the following beneficial effects: the utility model is a kind of anti-chain type bicycle lock to get rusty, plastic sheath Pipe envelopes metal bracelet completely, and preventing that metal bracelet gets rusty influences beauty, and metal bracelet both ends pass through the first connection ring, the Two connection rings are connect with lock, tapered end respectively, improve that lock and tapered end when being locked are stiff to be difficult to be bent, is firmly inconvenient Situation is cased with antirust sleeve outside lock, and the protruding portion of antirust sleeve can prevent from getting rusty between tapered end and lockhole, sets at the top of antirust sleeve There is cover board, cover board is connect with antirust sleeve by shaft, be can be turned over, and is guaranteed keyhole normal use, is prevented from getting rusty.This reality It is simple with new structure, the flexibility used is increased, lockset can be effectively prevent to get rusty, the using effect of lockset is ensure that, prolongs The service life of lockset is grown.

Detailed description of the invention

Fig. 1 is the utility model main structure chart；

Fig. 2 is to remove the utility model structure diagram after antirust sleeve；

Fig. 3 is antirust sleeve structural schematic diagram.

Such as figure, plastic bushing -1, the first connection ring -2, the second connection ring -3, lock -4, lockhole -5, keyhole -6, lock Head -7, antirust sleeve -8, cover board -9.

Specific embodiment

Shown in reference to the accompanying drawing, the utility model is further described: the utility model is a kind of to be prevented getting rusty Chain type bicycle lock, including plastic bushing 1, the first connection ring 2, the second connection ring 3, lock 4, lockhole 5, keyhole 6, lock First 7, antirust sleeve 8, cover board 9, are equipped with metal bracelet inside plastic bushing 1, metal bracelet both ends be respectively equipped with the first connection ring 2 with Second connection ring 3, the first connection ring 2 are connect with lock 4, and 4 side of lock is equipped with lockhole 5, are equipped with keyhole 6 at the top of lock 4, Antirust sleeve 8 is coated with outside lock 4,8 material of antirust sleeve is plastics, and antirust sleeve 8 is equipped with protruding portion in lockhole position, and protruding portion is The round tube being connected to antirust sleeve 8,8 top of antirust sleeve are equipped with cover board 9, and cover board 9 is connect by shaft with antirust sleeve 8, the second connection Ring 3 is connect with tapered end 7.

In use, plastic bushing 1 envelopes metal bracelet completely, preventing that metal bracelet gets rusty influences beauty, metallic bond Both ends are connect with lock 4, tapered end 7 respectively by the first connection ring 2, the second connection ring 3, improve lock 4 when being locked With tapered end 7 it is stiff be difficult to be bent, firmly inconvenient situation, be cased with antirust sleeve 8 outside lock 4, the protruding portion of antirust sleeve 8 can be to prevent It only gets rusty between tapered end 7 and lockhole 5, cover board 9 is equipped at the top of antirust sleeve 8, cover board 9 is connect by shaft with antirust sleeve 8, can be with It is overturn, guarantees 6 normal use of keyhole, prevents from getting rusty.The utility model structure is simple, increases the flexibility used, Lockset can be effectively prevent to get rusty, ensure that the using effect of lockset, extend the service life of lockset.

The above is only the preferred embodiment of the utility model, it is noted that for the general of the art For logical technical staff, without departing from the principle of this utility model, several improvement can also be made, these improvement are also answered It is considered as the protection scope of the utility model.

Claims (2)

1. a kind of anti-chain type bicycle lock to get rusty, it is characterised in that including plastic bushing, the first connection ring, the second connection Ring, lock, lockhole, keyhole, tapered end, antirust sleeve, cover board, the plastic bushing inside are equipped with metal bracelet, the metallic bond Both ends are respectively equipped with the first connection ring and the second connection ring, and first connection ring is connect with lock, and the lock side is set There is lockhole, keyhole is equipped at the top of the lock, is coated with antirust sleeve outside the lock, the antirust sleeve is set in lockhole position There is protruding portion, the protruding portion is the round tube being connected to antirust sleeve, and the antirust sleeve top is equipped with cover board, and the cover board is by turning Axis is connect with antirust sleeve, and second connection ring is connect with tapered end.

2. a kind of anti-chain type bicycle lock to get rusty described in accordance with the claim 1, it is characterised in that the antirust sleeve material For plastics.