CN2242304Y - Theft-proof alarming lock - Google Patents

Abstract

The utility model relates to a theft-proof alarming lock. A common wedge groove (3) and an alarm wedge groove (4) are arranged on a locked end of a fork lock beam (1). A pressing type contact head (9) which is connected with a microswitch used for controlling an alarm circuit is arranged on a lock beam slide way (6) of the lock body (5). When the utility model is locked by the wedge groove (3), the microswitch is started, and the alarm circuit does not operate; when the utility model is locked by the wedge groove (4), the alarm circuit operates, and the circuit is cut off after unlocking. The user can select the lock in alarm state or in no alarm state according to the actual demand. The utility model has the advantages of small power consumption and reliable operating performance.

Description

Anti-theft alarm lock

The utility model relates to a kind of anti-theft alarm lock, and especially bicycle lock is made the field.

Bicycle is one of main vehicles of the current both urban and rural residents, and it has stolenly reached thrilling stage, how effectively to prevent the problem that the stolen the design of being of bicycle solves emphatically.

With Chinese patent 94226791.5 is such anti-theft alarm lock general of representative, and lock and circuit are combined as a whole by linked switch, in case body oscillating is reported to the police immediately.Shortcoming is that this lock does not have the warning function of selection, still is in responsive guard attitude after some occasion that need not to guard lockings, reports to the police in the occasion that many non-malice are bumped in the same old way, even the action of locking car and driving owner is when slow slightly, also can report to the police, do not possess the intelligence judgement, and power consumption be bigger.

The purpose of this utility model is a kind of anti-theft alarm lock that is available for users to select user mode of design, is not needing antitheft area can only make a common pick-proof lock usefulness; To lock with warning function and combine in the need occasion of setting up defences.

The purpose of this utility model is to realize by following design.

Anti-theft alarm lock, by fork lock lock body, can insert lock bridge, pick-proof lock core, the alarm control circuit that the lock bridge chute of lock body conducts the locking operations and place battery cavities in the lock body etc. to form, be equipped with a common wedge groove and a warning wedge groove on the keyed end of lock bridge; The lock bridge chute of lock body is provided with the pressing contact that links with the microswitch that is used to control warning circuit;

After adopting design as above, when the keyed end of lock bridge conducts the locking operations at insertion lock body lock bridge chute, there are two latched positions available; When locking with common wedge groove, this use is novel only to be used as a common pick-proof lock; When locking,, the keyed end of lock bridge pushes contact, the microswitch closure because having pushed down with warning wedge groove, warning circuit work, the utility model is in alarm condition, when using on bicycle, can send loud chimes of doom when the people moves car or destroys lock.Because status switch has higher shock resistance, survivability and better weather and functional reliability in the inner setting of lock body.Utilize basic scheme of the present utility model except the theftproof lock that can make bicycle, motorcycle etc., can also be used for the antitheft of other article.

Description of drawings of the present utility model is as follows.

Fig. 1 is an outside drawing of the present utility model.

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

Fig. 3 is a B-B sectional view of the present utility model.

Fig. 4 is C-C sectional view of the present utility model (a conventional lock-in state).

Fig. 5 is C-C sectional view of the present utility model (Alarm lock stationary state).

Fig. 6 is a D-D sectional view of the present utility model.

Below in conjunction with accompanying drawing the utility model is described in further detail.

In Fig. 1 to Fig. 6, fork lock lock body 5, pick-proof lock core 13, lock bridge hanger 15, acoustic hole 16, can insert on the keyed end 2 of the lock bridge 1 of lock bridge chute 6 in the lock body and be equipped with a common wedge groove 3 and a warning wedge groove 4, this two wedges groove all can engage with the dead bolt of the lock core opening structure of routine (by pellet shot from a slingshot 17, spring 18, change core and dead bolt 19,20 constitutes) finishes sealed operation.The lock bridge chute of lock body 5 is provided with the pressing contact 9 that links with the microswitch 8 that is used to control warning circuit.When with 3 lockings of wedge groove (as shown in Figure 4), dead bolt is in the 3 position fastenings of wedge groove, and contact 9 does not have to be pushed, the microswitch open circuit, and lock is in conventional lock-out state; When with 4 lockings of wedge groove (as shown in Figure 5), dead bolt is in the 4 position fastenings of wedge groove, and lock bridge is pushed contact 9 to the portion's slippage of chute depth, makes the microswitch closure, warning circuit work, and lock is on the alert.Warning circuit can be reported to the police (band is delayed time) and other circuit formation by the microseism of a lot of routines, and when other people moved car body or destroy lock body, circuit sent alarm.

For preventing that the burglar from removing battery destruction vigilance performance with opening battery cavities, battery contained with one (metal) battery case 10 put into the lock body inner chamber, it is provided with a porose lug 11, this lug along its hole 12 axially with coaxial being installed on the lock bridge chute of lock bridge chute (being another lock bridge chute 7 in this example), and with auxiliary fixing such as screws.Because only when locking by key operated, another keyed end 2 of lock bridge ' just battery case can be moved down when withdrawing from lock bridge chute 7 takes out battery, the burglar is cannot succeed with the means of removing the warning of battery destruction.And the car owner can open the lock with the key and changes battery easily or keep in repair this device after shifting out lock bridge.

When implementing the utility model, the electronic component in the lock can be made conventional waterproofing work, in case produce fault; Loudspeaker are built-in, and are outwards transaudient by vocal hole 16.Lock body is equipped with external lock bridge hanging hole 14.By basic scheme of the present utility model, can make diversified use product, lock bridge can be made rigid structures as shown in the figure, also can make flexible structures such as steel chain, wire rope, for use in different occasions.

Long-pending small and exquisite, the sound construction of this warning lock body, reliable working performance, rainproof protection against the tide, good weatherability, the shock resistance damage capability is strong, power consumption is little, cheap, is a kind of comparatively ideal multipurpose burglar alarm instrument.

Claims (4)

1, a kind of anti-theft alarm lock, by fork lock lock body, can insert lock bridge, pick-proof lock core, the alarm control circuit that the lock bridge chute of lock body conducts the locking operations and place battery cavities in the lock body etc. to form, it is characterized in that, be equipped with a common wedge groove (3) and a warning wedge groove (4) on the keyed end (2) of lock bridge (1); The lock bridge chute (6) of lock body (5) is provided with the pressing contact (9) that links with the microswitch (8) that is used to control warning circuit;

2, anti-theft alarm lock according to claim 1 is characterized in that, battery case (10) places chamber within the lock body, and battery case is provided with a porose lug (11), and this lug axially is installed on the lock bridge chute with the lock bridge chute is coaxial along its hole (12).

3, anti-theft alarm lock according to claim 1 is characterized in that, lock bridge (1) can be made rigid structures or flexible structure.

4, anti-theft alarm lock according to claim 1 is characterized in that, is equipped with external lock bridge hanging hole (14) on the lock body.

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