CN2481604Y - Theftproof lock for motorcycle - Google Patents

Abstract

The utility model relates to a theftproof lock for motorcycle. A lock shell and a lock core are arranged in the inner cavity at one end of the lock frame; a theftproof lock provided with a bolt is arranged at the other end of the lock frame in a rotary manner. The lock core driven to rotate by the key can drive the plectrum of the lock core to rotate, the plectrum of the lock core can slide in the slide groove arranged in the vertical center of the bolt. The lock core can drive the bolt to rotate and the bolt can rotate outward or inward the lock frame. The theftproof lock for motorcycle belocking motorcycle handlebars is fixed on the motorcycle handlebars of the motorcycle frame. The utility model has the advantages of low cost, safety and reliability, theftproof performance and pryproof performance.

Description

Anti-theft lock for motorcycle

The utility model relates to a kind of lock, is a kind of anti-theft column lock that is applicable to the locking motor bike.

At present, generally the lock for motorcycle of Shi Yonging is locked for the chain lock or the U-shaped steel pole that pin wheel, and it is easily destroyed that this lock is exposed to the car body outside, is unfavorable for antitheft.

The purpose of this utility model is to provide a kind of antitheft, anti-theft lock for motorcycle that the pick-proof performance is good that is loaded on the car body.

The purpose of this utility model can reach by following measure: anti-theft lock for motorcycle, form by dead bolt, lock core plectrum, lock core, lock housing, key etc.Inner chamber at lock frame one end is fixed with lock housing, the other end at the lock frame has a hole concentric with the centre of gration that is loaded on the lock core in the lock housing, one section negative thread is arranged on the inwall in hole, there is one section outside thread that is complementary with negative thread at the dead bolt rear portion, but the dead bolt spinning is in the hole of lock frame, have one section chute longitudinally at the center at dead bolt rear portion, insert in the chute front portion of the lock core plectrum of the strip shape of adorning at the center with the concentric lock core afterbody of lock core of lock core front portion, and can in chute, slide, lock accounts for can drive the rotation of lock core plectrum under key is stirred, dead bolt can screw out or screw under the stirring of lock core plectrum in the lock frame.

The purpose of this utility model can also reach by following measure:

There is a fixed card that is connected with it front portion at the lock frame.

There is a travel switch that is loaded in its body front portion at the lock frame, and the flexible depression bar of travel switch stretches in the hole of lock frame, and a bulge loop is arranged on dead bolt, and the flexible depression bar of bulge loop and travel switch is complementary.The front portion of dead bolt is circular or conical, also can be wedge shape.

The drawing of accompanying drawing is described as follows:

Fig. 1 is the structural representation of anti-theft lock for motorcycle

Fig. 2 is the scheme of installation of anti-theft lock for motorcycle

Fig. 3 is structure and the scheme of installation that has the anti-theft lock for motorcycle of fixed card

Fig. 4 is the structural representation that has the anti-theft lock for motorcycle of travel switch

Fig. 5 is the fundamental diagram that has the anti-theft lock for motorcycle of travel switch

Below in conjunction with accompanying drawing embodiment of the present utility model is further described, Fig. 1, anti-theft lock for motorcycle shown in Figure 2 are made up of dead bolt 1, lock core plectrum 5, lock core 6, lock housing 9, key 10 etc.Inner chamber at lock frame 8 one ends is fixed with lock housing 9, the lock frame 8 the other end have one with the concentric hole of centre of gration that is loaded on the lock core 6 in the lock housing 9, one section negative thread 4 is arranged on the inwall in hole, there is one section outside thread 3 that is complementary with negative thread 4 at dead bolt 1 rear portion, but dead bolt 1 spinning is in the hole of lock frame 8, have one section chute 2 longitudinally at the center at dead bolt 1 rear portion, insert in the chute 2 front portion of the lock core plectrum 5 of the strip shape of adorning at the center with the concentric lock core afterbody 7 of lock core of lock core 6 front portions, and can in chute 2, slide, lock core 6 can drive lock core plectrum 5 and rotate under key 10 is stirred, dead bolt 1 can screw out or screw under the stirring of lock core plectrum 5 in the lock frame 8.It will be locked frame 8 when mounted and be welded on motorcycle on the vehicle frame 11 at place, on vehicle frame 11 and the handlebar 12 hole that is complementary with dead bolt 1 be arranged all.

Shown in Figure 3, be welded with the steel fixed card 13 of an annular arrangement in the front portion of lock frame 8, fixed card 13 is made up of two semi-round cards, and they are clamped on the handlebar 12 exterior vehicle frames 11 together by fixing in rivet week.

Fig. 4, shown in Figure 5: there is a travel switch 15 that is loaded in its body the front portion at lock frame 8, the flexible depression bar of travel switch 15 stretches in the hole of lock frame 8, a bulge loop 14 is arranged on dead bolt 1, bulge loop 14 is complementary with the flexible depression bar of travel switch 15, when dead bolt 1 is protruding the bulge loop 14 of annular arrangement with the depression bar top of travel switch 15 to top, make travel switch 15 closures, the fire extinguishing line of motor bike can be connected after travel switch 15 closures, play the effect of double anti-theft.

The utility model compared with prior art has the following advantages:

1, the lock body is little, can be mounted on easily on the car body, and pick-proof, theftproof performance are good.

2, can realize simultaneously that mechanical lock closes antitheft and the antitheft two kinds of functions of connection fire extinguishing line.

3, the theftproof lock cost is low, and lock closes safe and reliable.

Claims (4)

1, anti-theft lock for motorcycle, by dead bolt (1), lock core plectrum (5), lock core (6), lock housing (9), key compositions such as (10), it is characterized in that: the inner chamber at lock frame (8) one ends is fixed with lock housing (9), the lock frame (8) the other end have one with the concentric hole of centre of gration that is loaded on the lock core (6) in the lock housing (9), one section negative thread (4) is arranged on the inwall in hole, there is one section outside thread (3) that is complementary with negative thread (4) at dead bolt (1) rear portion, dead bolt (1) but spinning in the lock frame (8) the hole in, have one section chute (2) longitudinally at the center at dead bolt (1) rear portion, insert in the chute (2) front portion of the lock core plectrum (5) of the strip shape of adorning at the anterior center with the concentric lock core afterbody (7) of lock core of lock core (6), and can in chute (2), slide, lock core (6) can drive lock core plectrum (5) and rotate under key (10) is stirred, dead bolt (1) can screw out or screw under the stirring of lock core plectrum (5) in the lock frame (8).

2, anti-theft lock for motorcycle according to claim 1 is characterized in that: there is a fixed card that is connected with it (13) front portion at lock frame (8).

3, anti-theft lock for motorcycle according to claim 1 and 2, it is characterized in that: there is a travel switch (15) that is loaded in its body the front portion at lock frame (8), the flexible depression bar of travel switch (15) stretches in the hole of lock frame (8), a bulge loop (14) is arranged on dead bolt (1), and bulge loop (14) is complementary with the flexible depression bar of travel switch (15).

4, anti-theft lock for motorcycle according to claim 1 is characterized in that: the front portion of dead bolt (1) also can be wedge shape for circular or conical.

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