CN2061952U - Multi-function theft-proof alarm spring door lock - Google Patents

Abstract

The utility model discloses a five-function theft-proof alarm spring door lock composed of a mechanical part and an electronic part. When locked with keys outside the room, the door lock can not be opened by pulling the wrench inside the room. Contrarily, when locked with wrench inside the room, the door lock can not be opened with keys outside the room. When the doorbell push button on a guard ring of the lock head is pushed against, a loudspeaker inner the lock body can send out musical sound; when a nonmatched key is inserted into the key hole, the loudspeaker can send out alarm; when the guard ring of the locking head is pried or moved, the loudspeaker alarms and has delay time.

Description

Multi-function theft-proof alarm spring door lock

The utility model belongs to a kind of door lock for building, a kind of specifically pin tumbler lock with electronic warning electronic door bell function.

Application number is that 88100447.2 application for a patent for invention prospectus discloses a kind of door latch-lock with electronic warning and electronic bell.This lock is made up of mechanical part and electronic section.Mechanical part is made up of lock body, lock nut, tapered end, connecting rod, key.Wherein locking body is made up of lock housing, cover plate, slide plate, supporting plate, dead bolt, spanner, spanner switching curve plate and reversed column, key switch curve ruler and reversed column, the rotating shaft of key switch curve ruler, shift fork, battery case and wiring board.Tapered end is made up of lock core, lock core sleeve, tapered end guard ring, overcoat ring washer.The integrated package of the integrated package that electronic section is used by power supply, doorbell, warning usefulness, power amplification integrated package, loudspeaker, bell button, relay, triode, diode, resistance, electric capacity are formed, and in addition there are a warning insulation contact, a doorbell insulation contact, a slip insulation contact, two triggering insulation contacts in circuit the inside.The slip insulation contact is positioned on the reversed column of key switch curve ruler, and warning insulation contact and doorbell insulation contact are installed in the lock body not on the moving part and on the movement locus of slip insulation contact.The slip insulation contact contacts with the warning insulation contact, is separated with the doorbell insulation contact after door lock is with the key locking, and electronic circuit is in the warning readiness.When door lock contacts with the doorbell insulation contact, is separated with the warning insulation contact with slip insulation contact after key operated, electronic circuit is in the doorbell readiness.It is exposed outside that the inventor triggers insulation contact with overcoat ring washer and tapered end guard ring and the insulation of other metalwork as one.Also trigger insulation contact in addition one of key intraocular design.The end of the key of the valid key back of the body is removed one section and becomes a breach, touches less than this when making it to unblank with valid key and triggers insulation contact.But when when unblanking or with metal object, touching exposed triggering insulation contact, overcoat ring washer and tapered end guard ring, will receive a signal of telecommunication in the circuit and send warning with non-valid key.This technical scheme is helpful to the design that inspires people, but following shortcoming is arranged: the design of three insulation contacts has increased the complexity of making and installing greatly in (1) lock body.(2) overcoat ring washer and tapered end guard ring are exposed outside as triggering insulation contact, like this, are difficult to when the people on one's own side unblanks guarantee that key does not touch this contact and false alarm takes place.(3) feature of valid key is too obvious, unfavorable maintaining secrecy.(4) alarm principle of this technical scheme is by the touch that triggers insulation contact being realized like this, extraneous tiny signal is for example had a touch with hand and also can be caused sometimes reporting to the police.In fact this technical scheme does not all have successfully through repeatedly manufacturing experimently, and does not all reach the anticipation purpose.Based on above reason, the practicality of this technical scheme reduces greatly.

The purpose of this utility model is the disadvantage that solves prior art, enlarges practicality.

The purpose of this utility model is achieved in that whole door lock still is made up of mechanical part and electronic section, wherein mechanical part and function thereof are identical with above-mentioned prior art, two switching curve plate disalignments particularly, control with spanner for one, another is controlled with key, opens or not with key after with the door lock locking with spanner; Open or not by spanner after with key the door lock locking.But slip insulation contact, doorbell insulation contact and warning insulation contact in the lock body are removed.Circuit design has kept Pickproof alarm, anti-function of disclosing warning and electronic door bell, and wherein the principle of doorbell function is the same, but warning triggering mode and principle have been done change.Specifically be that the inventor has put three normal battles at the circuit lining.One of them is normal makes war and door lock assembly part all or necessary metalwork join, cry exposed normal battle.Another normal insulated metal thing of making war and being hidden in the tapered end guard ring joins, cries pick-proof often to make war.The 3rd normal makes war and is installed in insulated metal thing on the lock core sleeve outer wall and joins, cry and prevent disclosing normal battle, and this insulated metal thing passes that lock core sleeve is protruding to be advanced the key intraocular and insulate with lock core sleeve.These three positions of often making war in circuit are principle with the work of the integrated package that can control warning usefulness, promptly no matter be pick-proof normal make war or anti-ly disclose normal battle, when it often makes war with exposed that can both causing when joining powers to the integrated package of warning usefulness makes it work.The back of valid key generally is removed one deck, be that the height of the key back of the body reduces, what reduce is principle to insert the insulated metal thing that does not touch intraocular behind the key eye.The keyed feature of manufacturing like this is not obvious, is difficult for noticeable.But when non-valid key is inserted the insulated metal thing that key at the moment will touch intraocular, thereby this insulated metal thing and door lock metalwork are joined, be that anti-disclosing joined with exposed normal the battle normal battle in the circuit, the integrated package work, the loudspeaker that promote warning usefulness are reported to the police.Extract rear defence when non-valid key and disclose normal battle and the exposed normal disconnection of making war, alarm release.Will cause when dialling the tapered end guard ring in addition that insulated metal thing in the tapered end guard ring contact with the tapered end guard ring with pry sled, the normal battle of pick-proof contacted with exposed battle often in the circuit, thereby make integrated package work, the loudspeaker warning of warning usefulness.Can add time-delay to this warning in the circuit, make pry leave back warning still continuity certain hour.Obvious alarm principle of the present utility model is to report to the police with the integrated package work that being connected of the normal battle of exposing makes warning usefulness, promotion loudspeaker two non-exposed normal battles, rather than leans on the touch of human body.To the utility model, human body or touch any one normal battle by metal object and can not send warning, this has just increased the reliability of reporting to the police greatly.

Below in conjunction with embodiment the technical solution of the utility model is described further:

Fig. 1 is the main sectional view (be not with key and revolve turn 90 degrees tapered end) of present embodiment.

Fig. 2 is the electronic-circuit diagram of present embodiment.

As seen from Figure 1, present embodiment is made up of machinery and electronics two parts.Mechanical part is made up of lock body, lock nut 1, tapered end, connecting rod 26 and key.Wherein locking body is made up of lock housing 12, cover plate 21, slide plate 4, supporting plate 3, dead bolt 2, spanner 11, spanner switching curve plate 10 and reversed column 9, key switch curve ruler 5 and reversed column 13, rotating shaft 8, shift fork 7, battery case 22 and board box 20.Tapered end is made up of lock core 16, lock core sleeve 17, tapered end guard ring 14.At the top of lock core sleeve sidewall a radial perforation is arranged, a metal column 27 is arranged in the hole, this metal column and lock core sleeve and the insulation of all metalworks also protrude into the key intraocular.14 li of tapered end guard rings a metal ring 18 is arranged, this metal ring is fixed on the plastic insulation packing ring 19 all metalworks insulation with door lock.The 6th, loudspeaker, the 15th, horn button.

As seen from Figure 2, electronic section is by power supply E ₁, E ₂, loudspeaker SP(6), bell button AN(15), model is the four tones of standard Chinese pronunciation music integrated block IC of KD-9561 ₁, model is the music integrated block IC of KD-15123 ₂, triode BG ₁, BG ₂, BG ₃, BG ₄, diode D ₁, D ₂, resistance R ₁, R ₂, R ₃, R ₄, capacitor C ₁, C ₂, three normal battle I ₀, I ₁, I ₂Form.Symbol "+" on the integrated package, " B ", " E " are the footnotes of integrated package, IC ₂On footnote " Y " be the trigger end of this integrated package, R ₄It is ic chip ₁Regulation adds.Normal battle I ₀Join with the mechanical part of door lock and with power supply E ₂Positive pole join, so the mechanical part of whole door lock all is anodal, and with normal battle of I ₀Join, so I ₀Cry exposed normal the battle.Normal battle I ₁Join with the metal ring 18 in the tapered end guard ring, be called pick-proof and often make war.Normal battle I ₂Join with the little metal column 27 on the lock core sleeve, be called anti-disclosing normal battle.

Operating principle of the present utility model is: when door lock with behind the key locking, because of spanner switching curve plate and key switch curve ruler disalignment and each other by one's own efforts, so can not open with spanner; Otherwise with spanner with the door lock locking after, can not open with key.Push bell button AN, just can be to the doorbell ic chip ₂Power supply makes it work and output signal, through BG ₃, BG ₄Amplify the promotion loudspeaker and send musical sound; Loose one's grip the back because of to IC ₂No longer power supply, the loudspeaker musical sound stops.After door lock is by locking,, the insulated metal ring that is hidden in the tapered end guard ring is linked to each other with the tapered end guard ring or touches the I of often making war mutually if people's picking lock is arranged ₀And I ₁Connect, thereby make BG ₁, BG ₂Conducting, C ₁Charging, IC ₁Work and output signal are through BG ₃, BG ₄Amplify the back and promote the loudspeaker warning; When stopping picking lock, the I of often making war ₀, I ₁Disconnect C ₁Discharge is reported to the police and is delayed time.If there is the non-valid key of human to disclose lock, will make the insulated metal post that is hidden in the key intraocular link to each other the I of often making war with lock core, core overcoat ₀And I ₂Connect, directly give IC ₁Energising, loudspeaker are reported to the police; After non-valid key is extracted, I ₀And I ₂Disconnect IC ₁No-voltage, loudspeaker are reported to the police and are stopped.

Present embodiment is through trial-production, and is working properly, and has five kinds of functions: promptly indoor locking, outdoor opening or not; Outdoor locking is indoor to be opened or not; Pickproof alarm; Prevent disclosing warning; And electronic door bell.

Claims (2)

1, a kind of five-function antithief alarm spring lock for door, form by mechanical part and electronic section, mechanical part is by the lock body, lock nut, tapered end, key, form with connecting rod, wherein lock body by lock housing, cover plate, slide plate, supporting plate, dead bolt, spanner, spanner switching curve plate and reversed column, key switch curve ruler and reversed column, the rotating shaft of key switch curve ruler, fork, battery case, board box is formed, tapered end is by lock core, lock core sleeve, the tapered end guard ring is formed, electronic section comprises power supply, loudspeaker, bell button, the music-integrating block that is used for doorbell, the music-integrating block that is used to report to the police, and triode, diode, resistance, electric capacity, of the present utility model being characterised in that:

Comprise also in a, the electronic circuit that one is anti-ly disclosed normal battle and a pick-proof that joins with the insulated metal thing that is hidden in the tapered end guard ring is often made war with exposed normal making war of joining of door lock metalwork, one and the insulated metal thing that is hidden in the key intraocular join, when any one of two hiding insulated metal things joined with the metalwork of door lock or touched mutually, can both make the music-integrating block work of warning usefulness and loudspeaker are reported to the police

The back of the body height ratio of b, valid key is lower, touches less than the insulated metal thing in being hidden in behind the insertion key eye.

2, antithief alarm spring lock for door according to claim 1 is characterized in that the said insulated metal thing that is hidden in the tapered end guard ring is a metal ring, this metal ring and tapered end guard ring and lock core sleeve insulation.

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