CN2497001Y - Anti-theft alarming wire lock - Google Patents

Abstract

The utility model discloses a burglarproof alarm steel wire lock, and the burglarproof alarm steel wire lock comprises a plastic casing, a lock cylinder iron, a steel wire lock, a steel wire, a key lock cylinder, a key, a power source, electrode reeds, an alarm PCB and a horn, wherein, the steel wire lock is provided with a two-shift latched groove; the electrode reeds are arranged inside lock holes on the lock cylinder iron that is positioned inside the plastic casing; the electrode reeds contact with the power source; the lock cylinder iron is provided with a lead connected with the alarm PCB; the alarm working circuit on the alarm PCB consists of a micro-shock sensing circuit, a startup time delay circuit, a time delay alarm circuit, a siren acoustic and amplification circuit and a siren time delay circuit. The lock tool will launch a siren when being damaged or shocked; the utility model has the advantages of simple structure, low failure rate, low manufacturing cost and not influencing electrical starting of motor cycles or auxiliary power vehicles and therefore, the utility model adapts to burglarproof protection in all kinds of bicycles, motor cycles and tricycles and etc.

Description

The burglar alarm steel wire lock

Technical field

The utility model relates to a kind of lockset, especially a kind of burglar alarm steel wire lock that is used on the various types of vehicles.

Background technology

Common in the market antitheft steel wire lock, the general theft-prevention structure that belongs to high-strength mechanical is mainly used in the antitheft of various vehicles (as bicycle, motorcycle, tricycle etc.) more.But, in actual use, it also has obvious weak point on anti-theft feature, mainly show as: destroyed (as being cut off by force by the fracture of wire pincers at antitheft steel wire lock self, it is bad etc. that steel wire lock is prized) under the situation, though perhaps antitheft steel wire lock is not destroyed, when the robber is directly pulled away by car with large-scale car handle, will seem powerless with steel wire lock is next antitheft.In addition, though can install the motorcycle electric burglar alarm additional on present motorcycle or the power assist vehicle,, this alarm still has many drawbacks, show: the manufacturing cost of (1) motorcycle electric burglar alarm is very high, and its market sale price is also higher relatively, and a lot of users are difficult to accept; (2) fault rate of motorcycle electric burglar alarm is very high; (3) after the motorcycle electric burglar alarm has been installed, when being on the alert, its static power consumption is very big, and sometimes, car is parked two days later, will influence electricity and start.

Summary of the invention

Technical problem to be solved in the utility model is by the structure of existing antitheft steel wire lock is improved, a kind of burglar alarm steel wire lock that can report to the police automatically after the vibrations that produces at lockset is provided, this burglar alarm steel wire lock also also can be reported to the police when steel wire lock is cut off by force automatically, to strengthen the anti-theft alarm function of antitheft steel wire lock.

For solving the problems of the technologies described above, the utility model burglar alarm steel wire lock comprises plastic casing, lock core column's iron, the steel wire tapered end, steel wire, key cylinder, key, power supply, electrode reed, alarm circuit plate and loudspeaker, the two ends of steel wire are separately fixed on lock core column's iron and the steel wire tapered end, the steel wire tapered end is provided with two grades of fore shaft grooves, electrode reed is arranged on the inboard in the tapered end hole of plastic casing internal lock stem stem iron, electrode reed and power supply contact, the top of steel wire tapered end and electrode reed have been formed a reed-type limit switch, and lock core column's iron is provided with a lead and the alarm circuit plate links together; Warning operating circuit on the alarm circuit plate is made up of microseismic activity sensing loop, start timing circuit, delayed alarm loop, chimes of doom sounding and amplifying return circuit, chimes of doom timing circuit, and loudspeaker are fixed on the side of plastic casing.

Above-mentioned burglar alarm steel wire lock, going back clamping in described steel wire has a break alarm holding wire, also includes the break alarm loop in the warning operating circuit on the described alarm circuit plate.

Above-mentioned burglar alarm steel wire lock, described microseismic activity sensing loop is formed by connecting by microseismic activity sensor DZL, resistance R 1, capacitor C 2; Described start timing circuit is formed by connecting by capacitor C 3, diode D2, resistance R 3, triode Q1; Described chimes of doom sounding loop is formed by connecting by alarm ic chip, resistance R 4, R5; Described chimes of doom amplifying return circuit is formed by connecting by resistance R 7, triode Q4, step-up transformer B and described loudspeaker; Described delayed alarm and chimes of doom timing circuit are formed by connecting by diode D1, resistance R 2 and triode Q2; Described break alarm loop is formed by connecting by described break alarm signal, triode Q3 and resistance R 6.

Above-mentioned burglar alarm steel wire lock, described power supply is made up of four joint button cells, after being fixed on the battery folder, it is set in the anti-water battery cover, should prevent the sheathed tapered end hole of described lock core column iron in the described plastic casing and the inboard of described electrode reed of placing of water battery, be provided with a drag hook hole in the outside of this anti-water battery cover.

Above-mentioned burglar alarm steel wire lock, the position in the outer end of described plastic casing with respect to described key cylinder is provided with a keyhole waterproof slide plate.

The utility model is owing to be provided with two grades of fore shaft grooves on the steel wire tapered end of burglar alarm steel wire lock, when in the steel wire lock screw plug is gone into the tapered end hole of lock core column's iron, making first grade of fore shaft groove alignment key cylinder, with key turns key cylinder once, just can firmly tangle the steel wire tapered end, at this moment the function of it and existing antitheft steel wire lock is identical, electronic anti-theft warning operating circuit in the lockset is not opened, electronic anti-theft warning operating circuit is in off-position, consumed power not, be applicable to that owner is using car, the burglar alarm steel wire lock is opened and when not needing to be in anti-theft state, can utilize this grade that lockset is hung over other does not influence the place that car uses yet.When making second grade of fore shaft groove alignment key cylinder in the steel wire tapered end is further filled in the tapered end hole of lock core column's iron, with key turns key cylinder once, the steel wire tapered end has been tangled too firmly again.At this moment, the top of steel wire tapered end has directly withstood on the electrode reed, the reed-type limit switch is communicated with, and by the lead on lock core column's iron the power supply of burglar alarm steel wire lock electronic circuit board is switched on, and starts working.Because the steel wire tapered end tangles firmly by key cylinder,, thereby guaranteed the reliable contact of reed-type limit switch so the steel wire tapered end can outwards not move (unless with key key cylinder being opened once more).Owing to be provided with start timing circuit (about 30 seconds) in the line, so rigidly connect when leading to, can not send chimes of doom at power supply, just owner leaves the burglar alarm steel wire lock.When the burglar alarm steel wire lock was in the normal armed state, the setting in delayed alarm loop made it have time-delay and triggers function (being generally 2 seconds), and when making car be parked in the public place or owner when unblanking, vibrations in short-term can be by false triggering once in a while.And have only when the time that the burglar alarm steel wire lock is bumped surpasses 2 seconds, this lock will send about 110 decibels super loudness chimes of doom.The every triggering, chimes of doom timing circuit make super loudness chimes of doom can keep about about 5 seconds, if continuous trigger, the burglar alarm steel wire lock also just sends about 110 decibels super loudness chimes of doom always so.After in steel wire, being provided with the break alarm holding wire, when second grade of fore shaft groove of steel wire tapered end was lockable, if cut off steel wire by force with the fracture of wire pincers, the burglar alarm steel wire lock promptly sent about 110 decibels super loudness chimes of doom, constantly, just can close its chimes of doom until owner with key.Therefore, use this burglar alarm steel wire lock after, when car stolen and lockset self is destroyed or car moved and when shaking lockset, this lock all can send chimes of doom, thereby plays good antitheft effect.This lock simple in structure, fault rate is little, low cost of manufacture, and can not have influence on the electricity starting of motorcycle or power assist vehicle.The battery of burglar alarm steel wire lock is installed in the anti-water battery cover of inboard, tapered end hole of plastic casing internal lock stem stem iron, must open key cylinder and pull out the steel wire tapered end with the key of this lock earlier when changing battery, and then with one section thin iron wire, end at iron wire curves a little hook, anti-water battery cover is pulled out in the pull hook hole of hooking anti-water battery cover with the little hook of iron wire, unload anti-water battery cover, just can change battery.After the replacing, package anti-water battery cover, more carefully anti-water battery suit reposition.So just can avoid power supply by artificial destruction, and can play effective battery waterproof effect.Using of keyhole waterproof sliding sleeve also can avoid making key cylinder to be the rainwater etch.

Description of drawings

Fig. 1 is the internal construction schematic diagram of the utility model burglar alarm steel wire lock;

Fig. 2 is the structural representation of the reed-type limit switch of the utility model burglar alarm steel wire lock;

Fig. 3 is the structural representation of the anti-water battery cover of the utility model burglar alarm steel wire lock;

Fig. 4 is the circuit theory diagrams of the utility model burglar alarm steel wire lock.

The specific embodiment

As shown in the figure, the burglar alarm steel wire lock comprises plastic casing 10, lock core column's iron 13, steel wire tapered end 15, steel wire 1, key cylinder 12, key 4, power supply 7, electrode reed 8, alarm circuit plate 9 and super loudness loudspeaker 5 (YD), key cylinder 12 cover Dingan County are loaded in lock core column's iron 13, injection moulding is gone up on steel wire 1 surface, the outside is with steel wire and moulds cover 2, its two ends are pressed in respectively on steel wire tapered end 15 and the lock core column's iron 13 with press, and are arranged with waterproof jacket 3 respectively at the interface of crimping.Steel wire tapered end 15 is provided with two grades of fore shaft grooves, electrode reed 8 is arranged on the inboard in the tapered end hole of plastic casing 10 internal lock stem stem iron 13, electrode reed 8 contacts with power supply 7, and the top 14 of steel wire tapered end 15 and electrode reed 8 have been formed a reed-type limit switch SW.Lock core column's iron 13 is provided with a lead 20 and links together with alarm circuit plate 9.Be folded with a break alarm holding wire 19 (JX) in the steel wire 1 in advance.Power supply 7 is made up of four joint button cells 71, after being fixed on the battery folder 21, it is set in the anti-water battery cover 6, should be arranged at the tapered end hole of plastic casing 10 internal lock stem stem iron 13 and the inboard of electrode reed 8 by anti-water battery cover 6, be provided with a drag hook hole 22 at the outboard end of this anti-water battery cover 6.Position with respect to key cylinder 12 on the outer end of plastic casing 10 is provided with chute, and a keyhole waterproof slide plate 11 slides in this chute.Super loudness loudspeaker 5 (YD) are fixed on the side of plastic casing 10.Warning operating circuit on the alarm circuit plate 9 comprises: the microseismic activity sensing loop that is formed by connecting by microseismic activity sensor DZL, resistance R 1, capacitor C 2; The start timing circuit that is formed by connecting by capacitor C 3, diode D2, resistance R 3, triode Q1; The chimes of doom sounding loop that is formed by connecting by alarm ic chip, resistance R 4, R5; The chimes of doom amplifying return circuit that is formed by connecting by resistance R 7, triode Q4, step-up transformer B and loudspeaker Y D (5); The delayed alarm and the chimes of doom timing circuit that are formed by connecting by diode D1, resistance R 2 and triode Q2; Be connected the break alarm loop that is formed by connecting with resistance R 6 by break alarm holding wire JX (19), triode Q3.

Claims (5)

1, the burglar alarm steel wire lock, comprise plastic casing, lock core column's iron, the steel wire tapered end, steel wire, key cylinder and key, the two ends of described steel wire are separately fixed on described lock core column iron and the described steel wire tapered end, it is characterized in that, it also includes power supply, electrode reed, alarm circuit plate and loudspeaker, described steel wire tapered end is provided with two grades of fore shaft grooves, described electrode reed is arranged on the inboard in the tapered end hole of described lock core column iron in the described plastic casing, described electrode reed and described power supply contact, the top of described steel wire tapered end and described electrode reed have been formed a reed-type limit switch, and described lock core column iron is provided with a lead and described alarm circuit plate links together; Warning operating circuit on the described alarm circuit plate is made up of microseismic activity sensing loop, start timing circuit, delayed alarm loop, chimes of doom sounding and amplifying return circuit, chimes of doom timing circuit, and described loudspeaker are fixed on the side of described plastic casing.

2, burglar alarm steel wire lock as claimed in claim 1 is characterized in that, clamping has a break alarm holding wire in described steel wire, also includes the break alarm loop in the warning operating circuit on the described alarm circuit plate.

3, burglar alarm steel wire lock as claimed in claim 2 is characterized in that, described microseismic activity sensing loop is formed by connecting by microseismic activity sensor DZL, resistance R 1, capacitor C 2; Described start timing circuit is formed by connecting by capacitor C 3, diode D2, resistance R 3, triode Q1; Described chimes of doom sounding loop is formed by connecting by alarm ic chip, resistance R 4, R5; Described chimes of doom amplifying return circuit is formed by connecting by resistance R 7, triode Q4, step-up transformer B and described loudspeaker; Described delayed alarm and chimes of doom timing circuit are formed by connecting by diode D1, resistance R 2 and triode Q2; Described break alarm loop is formed by connecting by described break alarm signal, triode Q3 and resistance R 6.

4, as claim 1,2 or 3 described burglar alarm steel wire locks, it is characterized in that, described power supply is made up of four joint button cells, after being fixed on the battery folder, it is set in the anti-water battery cover, should prevent the sheathed tapered end hole of described lock core column iron in the described plastic casing and the inboard of described electrode reed of placing of water battery, be provided with a drag hook hole in the outside of this anti-water battery cover.

As claim 1,2 or 3 described burglar alarm steel wire locks, it is characterized in that 5, the position in the outer end of described plastic casing with respect to described key cylinder is provided with a keyhole waterproof slide plate.

Images