CN2164441Y - Hidden handle lock for bicycle - Google Patents

Abstract

The utility model relates to a hidden handle lock for a bicycle, comprising a lock head, an arc lock tube, a lock hook, a pressure return spring, etc. A movable hidden handle is arranged at the tail of the lock hook, and the handle can automatically slide off into the arc lock tube when a bicycle lock is closed. When the bicycle lock is opened, the handle which is hidden in the arc lock tube can automatically slide out under the action of a limiting pin. The utility model has better anti-squashy performance and novel and beautiful appearance.

Description

Hidden handle lock for bicycle

The utility model belongs to the anti-lock of annular bicycle to be stolen, and relates generally to the improvement of lock handgrip.

The handgrip of general anti-theft lock for bicycle all is to be fastenedly connected and to stretch in outside the lock ring with latch hook, this is the weak spot that lock is pounded destruction, CN2091923U discloses a kind of anti-theft lock for bicycle, though its handgrip is movable, all the time stretch outside lock ring but this handgrip remains, smashed by the picking lock person easily.

The utility model proposes a stealthy handgrip anti-theft lock for bicycle for addressing the above problem, and promptly this handgrip is active concealed, and after lock was closed, this handgrip can be slipped among the lock pipe automatically.

This anti-theft lock for bicycle comprises tapered end, arc lock pipe, latch hook and pressure type return spring, tapered end is to be fastened on the arc lock pipe, arc lock pipe can adopt ratio-frequency welded tube to curve, the lock body of tapered end then adopts albronze to be shaped and fastening mutually in the top casting of arc lock pipe, latch hook is contained among the arc lock pipe and can slides along the lock pipe, on the extrados of latch hook, have the groove that matches with dead bolt in the tapered end, return spring is contained in the gap between curved pipe and the latch hook, characteristics of the present utility model are that the afterbody at latch hook is equipped with the stealthy handgrip of a handle, adopt the activity of cartridge clip formula to cooperate between this handgrip and the latch hook and go here and there, on the corresponding site that the latch hook resilience resets when arc is locked in the pipe in the tapered end opening spacer pin is housed with a pin.When lock is in unlocking condition, stealthy handgrip stretches out outside the arc lock pipe, when shutting, with handgrip along drawing on the handgrip guide groove of arc lock pipe, promptly driving latch hook slides along arc lock pipe, when the dead bolt in the tapered end slips into groove on the latch hook, lock promptly is in locked state, at this moment decontrol handgrip, handgrip promptly voluntarily landing advance among the arc lock pipe, when unblanking, the groove of the dead bolt in the tapered end from latch hook removed with key, latch hook resilience under the return spring effect, handgrip are slided from arc lock pipe under the effect of spacer pin and are stretched.

The two ends of stealthy handgrip preferably are circular arc or approximate circle arc, are beneficial to the flexible landing and the resilience of stealthy handgrip.

This Vehicle lock structure is reasonable, and during because of the lock locking, handgrip is hidden among the lock pipe, and more firm being not easy of lock smashed, and profile novel and beautiful more.

Below be drawing explanation of the present utility model:

Fig. 1 is an anti-theft lock for bicycle closed condition structure chart;

Fig. 2 is the right view (taking off the lock spoon) of Fig. 1;

Fig. 3 be Figure 1A-A to sectional view;

Fig. 4 is an anti-theft lock for bicycle opening structure chart.

The CONSTRUCTED SPECIFICATION of this anti-theft lock for bicycle is described in detail in detail below in conjunction with accompanying drawing:

This anti-theft lock for bicycle comprises tapered end 1, manage 2 by the arc lock that the ratio-frequency welded tube bending forms, the tapered end of tapered end 1 is shaped in 2 top castings of arc lock pipe with albronze, latch hook 3 adopts cold-drawn round steel to curve and the arc of packing into is locked among the pipe, on the latch hook fluted 5 with tapered end in dead bolt 4 mutually meshing, pressure type return spring 6 is equipped with in gap at arc lock pipe and latch hook, the afterbody of latch hook is equipped with stealthy handgrip 7(as shown in Figure 1), this handgrip sleeve is being equiped with spacer pin 9 near the port below the arc lock pipe in the open slot of latch hook afterbody and with pin 8 strings fixed (as shown in Figure 3).10 is the handgrip guide groove among Fig. 2, and 11 is the key hole of lock.

Claims (4)

1, a kind of anti-theft lock for bicycle, comprise tapered end (1), arc lock pipe (2), latch hook (3) and pressure type return spring (6), tapered end is fastened on the arc lock pipe, be loaded on and have the groove that matches with dead bolt in the tapered end on the latch hook extrados in the arc lock pipe, return spring is contained in the gap between arc lock pipe and the latch hook, the afterbody that it is characterized in that latch hook is equipped with the stealthy handgrip (7) of a handle, adopt the activity of cartridge clip formula to cooperate between this handgrip and the latch hook and go here and there, on the corresponding site that the latch hook resilience resets when arc is locked in the pipe in the tapered end opening spacer pin (9) is housed with pin.

2, by the described anti-theft lock for bicycle of claim 1, it is characterized in that the latch hook afterbody leaves an open slot, an end of handgrip is inserted among the groove crack and by a pin string and is shaped as movable the cooperation.

3, by claim 1 or 2 described anti-theft lock for bicycle, it is characterized in that the two ends of described handgrip (7) are circular arc or approximate circle arc.

4,, it is characterized in that the lock body of described tapered end adopts albronze to be shaped in the top casting of arc lock pipe by the described anti-theft lock for bicycle of claim 1.

Images