CN2531070Y - Ultrastrength anti-theft lock for bicycle - Google Patents

Abstract

The utility model relates to a bicycle theftproof double lock, consisting of a main lock body made of steel quality materials. The main lock body is provided with a leaf-type lock-core body which is tighten to the main lock body by an inside nut. The rear ends of the lock-core body are all provided with flat core bodies of two directions which are wrung to the main lock body by the nut. Two spherical lock tongues are arranged in the main lock body corresponding to the flanking region of the above two flat core bodies. The main lock body is provided with a U-shaped lock bar to lock the back beam of the bicycle, and a steel rope fixation band which can be buttoned with the fixed object. The end of the fixation band is provided with a ring which can be sleeved in the U-shaped lock bar. The insides of the two U-shaped lock bar ends inserted into the main lock body are provided with two grooves nested with the two spherical lock tongues. The utility model is of novel design, compact structure, easy installation, easy using and difficult to prizing open and difficult loading to steal, which has strong double security effect and is worth for promotion.

Description

Super-strength bicycle dual anti-theft lock

Technical field

The utility model relates to a kind of lockset, specifically is a kind of super-strength bicycle dual anti-theft lock.

Background technology

At present, used common lockset on the bicycle just can be pried open or be cut off with general purpose tool.In addition, a kind of theftproof lock of being installed, its key and lock core are S-type, in adorn four pellets shot from a slingshot, be easy to imitation preparation and open.Thereby it is very serious to be parked in the stolen phenomenon of losing of outdoor bicycle, brings great inconvenience for people's work and life.

The utility model content

The purpose of this utility model be to overcome the defective that prior art exists and a kind of compact conformation is provided, install easy, easy to use, be difficult for prying open, being difficult to the super-strength bicycle dual anti-theft lock that entrucking is stolen, size of key is high.

The purpose of this utility model realizes by following technical scheme: a kind of super-strength bicycle dual anti-theft lock, comprise the main lock body of making by steel material, be embedded on the bicycle rear cant beam, in its described main lock body blade typed lock cylinder body is housed, fastening by inboard nut and main lock body, can prevent to dismantle and have certain disguise, the flat core body of two directions all is housed on position, described lock core body rear end, and screw by nut and main lock body, form the high strength lock body, be difficult to destroy.Described main lock body is equipped with two ball-type dead bolts on the interior position corresponding with two the flat core body sides in top, the wire rope fixed band that the U-shape lock bar that can pin the bicycle back rest is housed on the main lock body and can is nested and fastens with mounting article, wire rope fixed band end is provided with the annulus that can be inserted in the U-shape lock bar, in case pinned bicycle, can prevent that again the bicycle entrucking from pulling away.Its described U-shape lock bar inserts two ends inside line in the main lock body and is provided with groove with two described ball-type dead bolt tablings.

The utility model modern design, compact conformation, installation be easy, easy to use, be difficult for prying open, be difficult to that entrucking is stolen, the size of key height, has extremely strong double anti-theft effect, is worth of widely use.

Description of drawings

Fig. 1 is the utility model structure sectional view.

Fig. 2 is the A-A sectional view of Fig. 1.

The specific embodiment

Below in conjunction with drawings and Examples in detail the utility model is described in detail.

Shown in Fig. 1-2, a kind of super-strength bicycle dual anti-theft lock, by the main lock body 1 that steel material is made, be embedded on the bicycle rear cant beam, in its main lock body 1 blade typed lock cylinder body 2 is housed, fastening by inboard nut 3 and main lock body 1, can prevent to dismantle and have certain disguise, flat core body 4-1, the 4-2 of two directions all is housed on position, lock core body 2 rear end, and screw by nut 5 and main lock body 1, form the high strength lock body, be difficult to destroy.In main lock body 1 with above two ball-type dead bolt 6-1,6-2 are housed on the corresponding position of two flat core body 4-1,4-2 side, the wire rope fixed band 10 that the U-shape lock bar 7 that can pin the bicycle back rest is housed on the main lock body 1 and can is nested and fastens with mounting article, fixed band 10 ends are provided with the annulus 8 that can be inserted in U-shape lock bar 7, in case pinned bicycle, can prevent that again bicycle from being pulled away by entrucking.Two ends inside line in the main lock body 1 of its U-shape lock bar 7 insertions is provided with groove 9-1, the 9-2 with two ball-type dead bolt 6-1,6-2 tabling.

When bicycle is not ridden will pin the time, fasten the bicycle back rest with U-shape lock bar 7 covers, simultaneously with wire rope fixed band 10 round near ground or the annulus 8 of its end, building fixture one circle back be inserted in U-shape lock bar 7, then its locking bar 7 both ends are inserted in the main lock body 1, insert in the lock core body 2 to anticlockwise with key 11 again, drive lock core body 3, two the flat core body 4-1 in top, position, its rear end, 4-2 rotates simultaneously, its two flat core body 4-1, the protrusion position of 4-2 promotes two ball-type dead bolt 6-1 simultaneously respectively, 6-2 is to the both sides displacement, make two ball-type dead bolt 6-1, a 6-2 part is along groove 9-1,9-2 inclination road embeds U-shape lock bar 7 end recesses 9-1, in the 9-2, block U-shape lock bar 7, again can not pull out, U-shape lock bar 7 can pin bicycle like this, extracts key 11 then, has played antitheft effect.Simultaneously since pacify on the main lock body 1 the wire rope fixed band 10 of joining be mounting article on the residence, also be difficult to move away from bicycle pull away, thereby have dual antitheft effect.

When by bike, fasten the bicycle back rest with U-shape lock bar 7 covers, simultaneously with wire rope fixed band 10 round near ground or the annulus 8 of its end, building mounting article one circle back be inserted in U-shape lock bar 7, then its locking bar 7 both ends are inserted in the main lock body 1, key 11 is inserted in the lock core body 2 to right rotation, drive lock core body 3, two the flat core body 4-1 in top, position, its rear end, 4-2 rotates simultaneously, its two flat core body 4-1, the protrusion position of 4-2 breaks away from two ball-type dead bolt 6-1 simultaneously respectively, 6-2, its two ball-type dead bolt 6-1,6-2 is respectively along groove 9-1,9-2 inclination road is return, detach the groove 9-1 of U-shape lock bar 7 ends, 9-2, set back, can extract U-shape lock bar 7, no longer pin bicycle, wire rope fixed band 10 also no longer be mounting article on the residence, just can ride away bicycle.

Claims (1)

1, a kind of super-strength bicycle dual anti-theft lock, comprise the main lock body of making by steel material (1), be embedded on the bicycle rear cant beam, it is characterized in that: blade typed lock cylinder body (2) is housed in the described main lock body (1), fastening by inboard nut (3) and main lock body (1), flat core body (the 4-1 of two directions all is housed on described lock core body (2) position, rear end, 4-2), and screw by nut (5) and main lock body (1), interior and described two the flat core body (4-1 in top of described main lock body (1), 4-2) two ball-type dead bolt (6-1 are housed on the position of side correspondence, 6-2), the wire rope fixed band (10) that the U-shape lock bar (7) that can pin the bicycle back rest is housed on the described main lock body (1) and can is nested and fastens with mounting article, described wire rope fixed band (10) end is provided with the annulus (8) that can be inserted in U-shape lock bar (7), and the two ends inside line that described U-shape lock bar (7) inserts in the main lock body (1) is provided with and two described ball-type dead bolt (6-1,6-2) groove (the 9-1 of tabling, 9-2).

Images