CN2068129U - Double safety anti-stealing bicycle lock - Google Patents

Abstract

The utility model discloses a double safety anti-stealing bicycle lock, which is a device for protecting the bicycle from being stolen, providing a design scheme of a double safety anti-stealing bicycle lock which is difficult to be prized. The utility model is characterized in that the lock ring case of the lock is made of seamless pipe materials; the lock ring pull handle and the connecting position of the lock ring and the lock ring pull handle are totally arranged outside the lock ring case; a lock body is composed of a lock case, a lock case back cover, a large cam wheel, a lock switch pull handle, a large cam wheel tensioned spring, a small cam wheel, a turn knob, a marble lock body, a lock latch, and a lock latch screw; the lock switch pull handle can be shifted through rotating the small cam wheel to a determined position by the turn knob at the time of unlocking the marble lock body, and the lock ring is unlocked.

Description

Double safety anti-stealing bicycle lock

The dual-safety anti-theft bicycle lock is a kind of device of the bicycle that avoids theft.

Existing ordinary bicycle lock, its lock housing and lock ring shell are general to form with the iron sheet riveted joint after two shapings up and down, is pried open by the people than being easier to.The cylinder lock that adopts also easily can be pushed aside by master key, causes bicycle stolen.

The purpose of this utility model is: provide a kind of being difficult for to be pried open by the people, have the anti-theft bicycle lock design scheme of two-way safeguarding function.

The embodiment of this utility model is: the dual-safety anti-theft bicycle lock is made of lock body, lock ring shell, lock ring handle, lock ring, lock ring extension spring, lock connector, and it is characterized in that: lock body is made up of lock housing, lock housing bonnet, big cam, lock-switch handle, big cam extension spring, little cam, knob, pin tumbler lock body, stopper, stopper screw.Big cam extension spring bar is housed on the big cam, big cam screw and lock ring location lock, one end of big cam extension spring is fixed on the lock housing by the extension spring screw, the other end is connected with big cam extension spring bar, the stopper screw is fixed on the lock housing, big cam and lock-switch handle are movably riveted on the lock housing with the big cam rivet, little cam and knob are movably riveted on the lock housing with little cam rivet, lock housing and lock housing bonnet are riveted with big rivet is fixing, stopper is connected with the lock core of pin tumbler lock body with latch, lock housing and the welding of lock ring shell.The lock ring shell is made with seamless tubular goods, and lock ring handle, lock ring and lock ring handle junction are all outside the lock ring shell.Three recesses are arranged on the circumferential edge of big cam, a recess is arranged on the circumferential edge of little cam, underlined on the knob, 1,2,3,4,5,6,7,8,9,10,11,12 totally 12 numbers or score marks are arranged on the lock housing face around the knob.

Embodiment further specifies the utility model below in conjunction with accompanying drawing:

Fig. 1: dual-safety anti-theft bicycle lock front view,

Fig. 2: the dual-safety anti-theft bicycle lock removes lock housing bonnet view,

Fig. 3: the lock housing front view,

The left view of Fig. 4: Fig. 3,

Fig. 5: lock housing bonnet front view,

The left view of Fig. 6: Fig. 5,

Fig. 7: lock ring shell front view,

The B-B sectional view of Fig. 8: Fig. 7,

The A of Fig. 9: Fig. 7 is to partial view,

Figure 10: lock ring handle front view,

The B of Figure 11: Figure 10 is to view,

Figure 12: the stopper front view,

The C of Figure 13: Figure 12 is to view,

Figure 14: little cam front view,

The left view of Figure 15: Figure 14,

Figure 16: the big cam front view,

The left view of Figure 17: Figure 16,

The D of Figure 18: Figure 17 is to partial view,

Figure 19: the lock ring front view,

The E of Figure 20: Figure 19 is to partial view,

Among the figure: 1, lock housing, 2, the lock ring shell, 3, the lock ring handle, 4, lock ring, 5, pin tumbler lock body, 6, big cam extension spring bar, 7, little cam, 8, big cam, 9, stopper, 10, latch, 11, big rivet, 12, the big cam rivet, 13, little cam rivet, 14, knob, 15, lock-switch handle, 16, the extension spring screw, 17, stopper screw, 18, lock ring extension spring, 19, the big cam extension spring, 20, car, lock connector, 21, lock ring tension spring pin, 22, big cam screw, 23, the lock ring alignment pin, 24, lock ring shell groove.

The dual-safety anti-theft bicycle lock (is seen Fig. 1, Fig. 2), by lock body, lock ring shell 2, lock ring handle 3, lock ring 4, lock ring extension spring 18, lock connector 20 constitutes, lock body is by lock housing 1, lock housing bonnet (see figure 5), big cam 8, lock-switch handle 15, big cam extension spring 19, little cam 7, knob 14, pin tumbler lock body 5, stopper 9, stopper screw 17, form, big cam extension spring bar 6 is housed on the big cam 8, big cam screw 22 and lock ring alignment pin 23, one end of big cam extension spring 19 is fixed on the lock housing 1 with extension spring screw 16, the other end is connected with big cam extension spring bar 6, stopper screw 17 is fixed on the lock housing 1, big cam 8 and lock-switch handle 15 usefulness big cam rivets 12 are movably riveted on the lock housing 1, stirring lock-switch 15 big cams 8 of shaking hands and then rotates simultaneously, interior three the little cams of lock housing and three little cam rivet 13 of lock housing three knob 14 usefulness in outside are movably riveted on respectively on the lock housing 1, when hand changes knob, little cam and then rotates simultaneously, lock housing 1(sees Fig. 3, Fig. 4) (see Fig. 5 with the lock housing bonnet, Fig. 6) with big rivet 11 fixing riveted joints, stopper 9 usefulness latches 10 are connected with the lock core of pin tumbler lock body 5.The lock ring shell is made (see figure 7) with seamless tubular goods, there is a lock ring shell groove 24(to see Fig. 9 on the one end tube wall of lock ring shell opener), be useful on the fixedly lock ring extension spring pin-and-hole (seeing Fig. 8, Fig. 7) of lock ring extension spring 18 1 ends on the other end tube wall, the other end of lock ring extension spring 18 is connected with lock ring 4, the welding of lock ring shell and lock body and has recess on the lock ring shell of lock body weld.Lock ring handle 3, lock ring and lock ring handle junction are all outside the lock ring shell, lock connector 20 and 2 welding of lock ring shell, lock ring 4 is connected an end with lock ring extension spring 18 have one to be used for the hole that extension spring is connected with lock ring, a lock ring alignment pin groove (seeing Figure 19) that is used for the lock ring location, three little cam notches are arranged on the circumferential edge of big cam 8, a recess is also arranged on the circumferential edge of each little cam, when the recess of three little cams is aimed at three little cam notches on the big cam respectively simultaneously, after pin tumbler lock body 5 opened, stir lock-switch handle 15, big cam can be followed rotation simultaneously, and the lock ring alignment pin 23 on the drive big cam leaves the lock ring alignment pin groove on the lock ring, and at this moment lock ring 4 is opened under lock ring extension spring 18 effects.Underlined on the knob 14, on the lock housing face around the knob 1,2,3,4,5,6,7,8,9,10,11,12 number is arranged, every lock is aimed at three little cam notches on the big cam respectively with three little cam notches earlier, at this moment the number number on the lock housing around the knob markers align knob, the i.e. unlocking cipher of lock for this reason.

This lock is difficult for being pried open, and the light key is not known the number lock of yet not opening, and has the dual fail-safe effect.

Claims (3)

1, the dual-safety anti-theft bicycle lock is by lock body, the lock ring shell, the lock ring handle, lock ring, the lock ring extension spring, the lock connector constitutes, it is characterized in that: lock body is by lock housing, the lock housing bonnet, big cam, the lock-switch handle, the big cam extension spring, little cam, knob, pin tumbler lock body, stopper, the stopper screw is formed, big cam extension spring bar is housed on the big cam, big cam screw and lock ring alignment pin, one end of big cam extension spring is fixed on the lock housing by the extension spring screw, the other end is connected with big cam extension spring bar, the stopper screw is fixed on the lock housing, big cam and lock-switch handle are movably riveted on the lock housing with the big cam rivet, little cam and knob are movably riveted on the lock housing with little cam rivet, lock housing and lock housing bonnet are riveted with big rivet is fixing, stopper is connected with the lock core of pin tumbler lock body with latch, lock housing and the welding of lock ring shell.

2, according to the described dual-safety anti-theft bicycle lock of claim 1, it is characterized in that: the lock ring shell is made with seamless tubular goods, and lock ring handle, lock ring and lock ring handle junction are all outside the lock ring shell.

3, according to the described dual-safety anti-theft bicycle lock of claim 1, it is characterized in that: three recesses are arranged on the circumferential edge of big cam, a recess is arranged on the circumferential edge of little cam, underlined on the knob, 1,2,3,4,5,6,7,8,9,10,11,12 totally 12 numbers or score marks are arranged on the lock housing face around the knob.

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