CN2721821Y - Safety lock of vehicle - Google Patents

Abstract

The utility model provides a safety lock of vehicle, principally comprising a U-shaped lock rack, a lock pin, a tapered end, a lower lock body, a spring, a locating head and a bayonet catch rod. The lower lock body is rotated by 90 DEG, the bottom of the tapered end is buckled in the lock sheath, the bolt enters the tapered end, the bayonet catch rod with the tapered end stretching out is pressed into the tapered end, the spring on the bayonet catch rod is compressed to cause the bayonet catch rod inserted into the hole on the bolt, and the locating pin is simultaneously inserted into the slot on the bayonet catch rod to cause the cycle lock locked. The utility model has the advantages of easy use, strong ability of anti-theft, easy manufacture, fastening and reliability, and low cost. It is able to proof cut, squash, pick and saw, and can be used for bicycles, motorcycles, booster cycles, tricycles, etc. traffic trucks.

Description

A kind of anti-theft vehicle lock

Technical field

The utility model relates to a kind of anti-theft vehicle lock, particularly a kind of U profile shaft bar padlock.

Background technology

Existing lock has multiple, as steel wire lock, generally uses 8～10cm steel wire overcoat plastic skin, seems very solid, at will cuts off with general pucellas; Circle type lock lock body is made with iron sheet, is pried open easily, and theftproof is poor, and locking bolt is elongated curved, and the easy deformation influence is used; Common U-shape lock locking bar has intensity, generally all is with the manufacturing of 1.5～2mm iron sheet and draw pin, and lock is too far away from hook, comes off easily after being hit.

The utility model content

The deficiency that the purpose of this utility model is to overcome existing lock provides a kind of novel anti-theft lock, and theftproof is stronger, can prevent cutting, anti-ly pound, pick-proof, prevent sawing.

Anti-theft vehicle lock of the present utility model, it is a kind of U profile shaft bar padlock, it can be fixed on the vehicle frame of back, mainly constitute by U-shape lock frame, lock core, tapered end, down lock body, spring, positioning head, lock pin bar, it is characterized in that the end at U-shape lock frame 10 is a tapered end 3, be fixed with lock core 2, the other end is fixed with down lock body 8 by connecting axle 9, down lock body is a straight-bar type, at the down lock body other end is lock sheath 7, is the groove shaped drain pan, the tapered end bottom can be entangled, the Kong Kerang lock pin bar 4 that the dead bolt 6 that one projection is arranged in the groove, dead bolt are opened passes through; The tapered end below has slotted eye, be built-in with the lock pin bar, there is a groove top, lock pin bar middle part, alignment pin by lock core control is inserted, and also there is a groove below, and place, groove inside edge is provided with positioning head 11, there is a spring 5 to be inserted in the lock pin bar, spring one end is fixed on the lock pin, and the other end is stuck on the positioning head, and the end with the lock pin bar when spring can make alignment pin leave groove ejects tapered end; Moving of lock core control alignment pin in the tapered end has groove in the position relative with dead bolt, and the dead bolt on the down lock body is embedded.

Tapered end also can add a lock core protective sleeve in the upper end of lock core in the utility model; hole of button on the lock core is not directly exposed; and the degree of depth of key that extended thus to lock core; make the little key of plain edition reach lock core; big key is inserted not enter again; and must use the special key of extended type, make theftproof stronger.

In the utility model at the U-shape lock frame by the fixing down lock body of connecting axle, connecting axle can adopt steel axle and protective shaft sleeve, if adopt spring housing, spring, spring card structure, then down lock body can rebound 90 ° automatically clockwise on lock frame and the connecting axle, forms 180 ° with the U-shape lock frame end.This kind lock can be fixed on the frame of bicycle rear wheel top, does not influence bicycle running after the unlatching.

Description of drawings

Fig. 1 is for using a kind of anti-theft vehicle lock structural representation of the present utility model, and Fig. 2 is local enlarged diagram for lock head divides.Among the figure:

1. lock core protective jacket, 2. lock core, 3. tapered end, 4. lock pin bar, 5. spring, 6. dead bolt,

7. lock sheath, 8. down lock body, 9. steel axle, 10.U type lock frame, 11. positioning heads.

The specific embodiment

With the down lock body half-twist, the tapered end bottom is buckled in the lock sheath, dead bolt enters tapered end, the lock pin bar that will stretch out tapered end is pressed in tapered end by, the spring on the compression lock pin bar, and the lock pin bar is inserted in the hole on the dead bolt, alignment pin is inserted in the groove on the lock pin bar simultaneously, and lock is pinned; During unlatching, drive lock core with key turns, alignment pin is moved, leave groove, rely on the spring action on the lock pin bar, when an end of lock pin bar was ejected tapered end, the lock pin bar left the hole on the dead bolt, and down lock body separates with tapered end, finishes and unblanks.

Use the very close to each other and sled point of anti-theft vehicle lock of the present utility model, compared with prior art, have more easy to usely, theftproof is strong, makes solid and reliable, with low cost, handsome in appearance characteristics easily.It can prevent cutting, anti-ly pound, pick-proof, anti-saw, can be used for communications and transportation cars such as bicycle, motorcycle, vehicle using motor, battery truck, pedicab, three wheels passenger carriage, agricultural tricycle.

Claims (4)

1. anti-theft vehicle lock, mainly constitute by U-shape lock frame, lock core, tapered end, down lock body, spring, positioning head, lock pin bar, it is characterized in that the end at U-shape lock frame 10 is a tapered end 3, be fixed with lock core 2, the other end is fixed with down lock body 8 by connecting axle 9, down lock body is a straight-bar type, at the down lock body other end is lock sheath 7, is the groove shaped drain pan, the tapered end bottom can be entangled, the Kong Kerang lock pin bar 4 that the dead bolt 6 that one projection is arranged in the groove, dead bolt are opened passes through; The tapered end below has slotted eye, be built-in with the lock pin bar, there is a groove top, lock pin bar middle part, alignment pin by lock core control is inserted, and also there is a groove below, and place, groove inside edge is provided with positioning head 11, there is a spring 5 to be inserted in the lock pin bar, spring one end is fixed on the lock pin, and the other end is stuck on the positioning head, and the end with the lock pin bar when spring can make alignment pin leave groove ejects tapered end; Moving of lock core control alignment pin in the tapered end has groove in the position relative with dead bolt, and the dead bolt on the down lock body is embedded.

2. anti-theft vehicle lock according to claim 1 is characterized in that tapered end also can add a lock core protective sleeve in the upper end of lock core.

3. anti-theft vehicle lock according to claim 1 is characterized in that the U-shape lock frame by the fixing down lock body of connecting axle, and connecting axle adopts steel axle and protective shaft sleeve structure.

4. anti-theft vehicle lock according to claim 1 is characterized in that adopting spring housing, spring, spring card structure on U-shape lock frame and the connecting axle, makes down lock body rebound 90 ° clockwise automatically, forms 180 ° with the U-shape lock frame end.