CN101215944A

CN101215944A - Safety door lock with multiple pick-proof and anti-theft function

Info

Publication number: CN101215944A
Application number: CNA2008100013190A
Authority: CN
Inventors: 曹松祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-03
Filing date: 2008-01-03
Publication date: 2008-07-09
Anticipated expiration: 2028-01-03
Also published as: CN101215944B

Abstract

A safety door lock with multiple pick-proof and anti-theft functions comprises a mechanical lock which is arranged on a safety door, wherein a slide board (5) on the mechanical lock is connected with a latch (2), the latch (2) is adjustably arranged on a supporting stand (11) of the inner wall of the safety door (1), the slide board (5) is linked with the rotation of an unlocking spanner on the safety door (1), the lock is characterized in that a rotary part (21) which can rotate and can be doubled with the latch (2) into integrity is arranged on the middle portion of the latch (2), the traverse distance (b) of the rotary part (21) is longer than the longitudinal distance (a), and the rotary part (21) is linked with an unlocking lock which is arranged on the safety door (1) through a driving structure. Compared with an existing technique, the invention has the advantages that the rotary part rotates through rotating the unlocking lock after the latch is extended out to lock, since the traverse distance of the rotary part is longer than the longitudinal distance, the transverse projecting part after rotating forms a back-off part of the latch, and since the back-off part is clipped on a doorframe in a reversed mode, thereby the pick-proof performance is effectively strengthened, which enables the anti-theft function of the safety door to be better and stronger.

Description

Insurance lock with multiple pick-proof and anti-theft function

Technical field

The present invention relates to a kind of door latch structure that uses on strongbox, safety cabinet or the national treasury door of valuables, particularly a kind of insurance lock deposited with multiple pick-proof and anti-theft function.

Background technology

The existing lockset that is used for strongbox, safety cabinet or national treasury door, generally be divided into mechanical lock and electronic lock two big classes, and adopt mechanical lock and electronic lock simultaneously is a kind of more satisfactory combination, can be spacing by the executing agency of mechanical lock, electronic lock respectively by the latch board that rotatable handles control is moved; Usually, wherein the execution unit of electronic lock is an electromagnet and reducible armature thereof, under the electromagnet power failure state, its armature or insert or embed latch board in the groove that corresponding site is provided with the lock pin of this armature interlock, make this latch board spacing, have only after confirmation such as the password of electronic lock or fingerprint, the electromagnet energising, its armature is inhaled, thereby remove locking to latch board, at this moment, can drive with key operated mechanical lock and to contract in the latch board and unblank, be design scheme " a kind of combined mechanoelectric lock " (notification number is CN2525181Y) of the utility model patent " mechano-electronic dual fail-safe coded lock " of ZL87210847.3 and utility model patent ZL02215701.8 all provides as the patent No..But this machine insurance is locked in does not have back-off after bolt is locked, and is pried open easily, thereby makes safety lock ineffective, and its anti-theft effect is strong not enough, opportunity is arranged for robber person, so its structure awaits to improve.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of design concept ingenious, rational in infrastructure and can form the insurance lock with multiple pick-proof and anti-theft function of back-off at the back bolt of locking at above-mentioned prior art present situation, with the anti-theft feature of reinforced safety door lock effectively.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: this has the insurance lock of multiple pick-proof and anti-theft function, include the mechanical lock that is arranged on the security door, slide plate on the mechanical lock is connected with bolt, and the bolt telescopically is arranged on the support of security door inwall, and slide plate links with the rotation that is positioned at the unlatching spanner on the security door, it is characterized in that: its middle part of described bolt is provided with the rotatable rotating part that also can coincide with one with bolt, the lateral separation of this rotating part is longer than fore-and-aft distance, and rotating part links together by drive mechanism and the unlatching lock that is arranged on the security door.

As improvement, described rotating part is locked interlock concrete structure together by drive mechanism and the unlatching on being arranged at security door and is chosen as: its afterbody of rotating part is fixedlyed connected with rotor plate one end by outrigger shaft, and the other end of rotor plate is connected with motion bar movably, and described motion bar is connected with connecting rod one end, and the other end of connecting rod is connected with draw bar one end movably, and the other end of draw bar movably with stir piece one end and be connected, and the other end of stirring piece is connected with the unlatching on being arranged at security door is phase-locked by rotating shaft.

As further improvement, described bolt is preferably four, with each one of the flexible bolt of symmetry up and down, about flexible be two, two flexible about this bolts are arranged on the security door with upper-lower position, and described rotating part is in two flexible about being arranged at respectively bolts, rotating part by its extension be arranged at the motion bar two ends on each self-corresponding rotor plate be connected, and described connecting rod is fixedlyed connected with the middle part of motion bar.

Improve again, its inwall of described security door is provided with the device that automatically locks, about this device that automatically locks is positioned on the another side medium position of flexible bolt, include push rod, one end of this push rod extends outside insurance every limit, its other end contacts mutually with swivel plate, this rotation sleeve-board string is in rotating shaft, and rotating shaft is provided with the torsion spring that can automatically reply after swivel plate is rotated, end at swivel plate is provided with hook portion, under the state, hook portion and slide plate hook are put together on the described swivel plate after security door is opened, and slide plate links together with the torsion spring that can make slide plate stretch out bolt automatically.

Improve, the structure that hook portion and slide plate hook are put together on the described swivel plate is again: the hook portion of swivel plate and be fixed on the slide plate and put together with the suitable fixed block hook of swivel plate; The other end of described draw bar movably with stir the structure that piece one end is connected and be: draw bar by turning cylinder with stir piece and be connected.

Compared with prior art, the present invention adopts at the bolt middle part the rotatable rotating part that also can coincide with one with bolt is set, the lateral separation of this rotating part is longer than fore-and-aft distance, and rotating part links together by drive mechanism and the unlatching lock that is arranged on the security door.She Ji structure like this, stretch out and after locking at bolt, by rotating to open to lock rotating part is rotated, because the lateral separation of rotating is than vertically big, so postrotational horizontal protuberance just forms the back-off portion of bolt, because back-off portion is stuck on the doorframe, thereby increased the pick-proof structure one more, and back-off and doorframe buckle space are little, during pick-proof, stress that prizes and syndeton influence are less, and stress easily concentrates on the metal material, thereby strengthened the pick-proof performance effectively, made the anti-theft feature of security door better and stronger; When also having the present invention to have said structure, electronic lock also is installed on insurance lock simultaneously, thereby has further strengthened the anti-theft effect of security door.Door lock of the present invention also can be widely used in electronic lock strongbox or safety cabinet, mechanical lock strongbox or safety cabinet, national treasury door, Fingerprint Lock strongbox or safety cabinet and rifle cabinet etc.

Description of drawings

Fig. 1 is after its bolt of the embodiment of the invention stretches out and through the postrotational state diagram of rotating part;

Fig. 2 is that bolt stretches out the not structural representation of rotation status of back rotating part among Fig. 1;

Fig. 3 is that bolt shows the structural representation that stretches out among Fig. 1;

Fig. 4 is the structural representation of Fig. 2 different visual angles;

Fig. 5 is the exploded view of Fig. 1;

Fig. 6 is the structural representation that removes behind Fig. 2 turn-over behind the door-plate;

Fig. 7 is the structural representation that removes door-plate behind Fig. 2 turn-over.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

Extremely shown in Figure 7 as Fig. 1, the insurance lock with multiple pick-proof and anti-theft function of present embodiment, include the mechanical lock and the electronic lock 7 that are arranged on the security door, slide plate 5 on the mechanical lock is connected with bolt 2, and bolt 2 telescopicallies are arranged on the support 11 of security door 1 inwall, and slide plate 5 links with the rotation that is positioned at the unlatching spanner on the security door 1, it is characterized in that: described bolt 2 its middle parts are provided with the rotatable rotating part 21 that also can coincide with one with bolt 1, the lateral separation b of this rotating part 21 is longer than fore-and-aft distance a, and rotating part 21 links together by drive mechanism and the unlatching lock that is arranged on the security door 1.Its rotating part 21 is locked interlock concrete structure together by drive mechanism and the unlatching on being arranged at security door 1: rotating part 21 its afterbodys are fixedlyed connected with rotor plate 30 1 ends by outrigger shaft 22, and the other end of rotor plate 30 is connected with motion bar 3 movably, and described motion bar 3 is connected with connecting rod 31 1 ends, and the other end of connecting rod 31 is connected with draw bar 4 one ends movably, and the other end of draw bar 4 by turning cylinder 43 with stir piece 41 1 ends and be connected, and the other end of stirring piece 41 by rotating shaft 42 be arranged at security door 1 on phase-locked connection of unlatching.The bolt 2 of present embodiment has four, with the flexible bolt of symmetry up and down 2 each, about flexible be two, two flexible about this bolts 2 are arranged on the security door 1 with upper-lower position, and described rotating part 21 is in two flexible about being arranged at respectively bolts 2, rotating part 21 by its extension 22 be arranged at motion bar 3 two ends on each self-corresponding rotor plate 30 be connected, and described connecting rod 31 is fixedlyed connected with the middle part of motion bar 3.The inwall of security door 1 is provided with the device that automatically locks, about this device that automatically locks is positioned on the another side medium position of flexible bolt 2, include push rod 6, these push rod 6 scalable tandem arrangements are on the support 60 of security door 1, one end of push rod 6 extends outside 1 limit of security door, its other end contacts mutually with swivel plate 62, these swivel plate 62 cover strings are in rotating shaft 63, and rotating shaft 63 is provided with the torsion spring 61 that can automatically reply after swivel plate 62 is rotated, end at swivel plate 62 is provided with hook portion 62a, after security door 1 is opened under the state, on the described swivel plate 62 hook portion 62a be fixed on the slide plate 5 and put together with suitable fixed block 51 hooks of swivel plate 62.And slide plate 5 links together with torsion spring 52, makes slide plate 5 can stretch out bolt 2 automatically.The concrete syndeton between above-mentioned mechanical lock middle slide plate and the spanner and the concrete structure of electronic lock are prior art, just no longer long here thin the description.

Operating process of the present invention is: when locking, earlier security door is shut, in closing closed procedure, the push rod of device of automatically locking contacts and makes swivel plate 62 to rotate mutually with doorframe, thereby the fixed block 51 on hook portion 62a and the slide plate 5 is broken off relations, slide plate 5 makes bolt 2 stretch out automatically under the effect of torsion spring 52 and locks, be that bolt 2 is for being snapped in the doorframe, rotate then and open lock, because rotating part and the rotation interlock of opening lock, thus rotate open lock with rotating part from laterally being rotated into vertically, thereby form back-off portion, shut the buckle of electronic lock again, the process of promptly locking is finished.And in the time will opening security door, can open electronic lock earlier, make the buckle displacement of electronic lock, rotate then and open lock, make rotating part from vertically being rotated into laterally, rotating part overlapped with bolt and was one this moment, and then rotating spanner portion, moved after making slide plate, be that bolt is withdrawn into from doorframe in the support of security door, owing to automatically reply under the effect of swivel plate face torsion spring 61, make hook portion 62a hook fixed block on the slide plate automatically, security door can be opened.

Claims

1. insurance lock with multiple pick-proof and anti-theft function, include the mechanical lock that is arranged on the security door, slide plate on the mechanical lock (5) is connected with bolt (2), and bolt (2) telescopically is arranged on the support (11) of security door (1) inwall, and slide plate (5) links with the rotation that is positioned at the unlatching spanner on the security door (1), it is characterized in that: its middle part of described bolt (2) is provided with the rotatable rotating part (21) that also can coincide with one with bolt (1), the lateral separation (b) of this rotating part (21) is longer than fore-and-aft distance (a), and rotating part (21) links together by drive mechanism and the unlatching lock that is arranged on the security door (1).

2. insurance lock according to claim 1, it is characterized in that: described rotating part (21) is locked interlock concrete structure together by drive mechanism and the unlatching on being arranged at security door (1) and is: its afterbody of rotating part (21) is fixedlyed connected with rotor plate (30) one ends by outrigger shaft (22), and the other end of rotor plate (30) is connected with motion bar (3) movably, and described motion bar (3) is connected with connecting rod (31) one ends, and the other end of connecting rod (31) is connected with draw bar (4) one ends movably, and the other end of draw bar (4) movably with stir piece (41) one ends and be connected, and the other end of stirring piece (41) by rotating shaft (42) be arranged at security door (1) on phase-locked connection of unlatching.

3. insurance lock according to claim 2, it is characterized in that: described bolt (2) has four, with each one of the flexible bolt (2) of symmetry up and down, about flexible be two, two bolts (2) flexible about this are arranged on the security door (1) with upper-lower position, and described rotating part (21) is in two bolts (2) flexible about being arranged at respectively, rotating part (21) by its extension (22) be arranged at motion bar (3) two ends on each self-corresponding rotor plate (30) be connected, and described connecting rod (31) is fixedlyed connected with the middle part of motion bar (3).

4. insurance lock according to claim 3, it is characterized in that: its inwall of described security door (1) is provided with the device that automatically locks, about this device that automatically locks is positioned on the another side medium position of flexible bolt (2), include push rod (6), one end of this push rod (6) extends outside security door (1) the door limit, its other end contacts mutually with swivel plate (62), this swivel plate (62) cover string is in rotating shaft (63), and rotating shaft (63) is provided with the torsion spring (61) that can automatically reply after swivel plate (62) is rotated, end at swivel plate (62) is provided with hook portion (62a), after security door (1) is opened under the state, described swivel plate (62) is gone up hook portion (62a) and is put together with slide plate (5) hook, and slide plate (5) links together with the torsion spring (52) that can make slide plate (5) stretch out bolt (2) automatically.

5. insurance lock according to claim 4 is characterized in that: described swivel plate (62) is gone up the structure that hook portion (62a) and slide plate (5) hook put together and is: the hook portion (62a) of swivel plate (62) be fixed in that slide plate (5) is gone up and put together with suitable fixed block (51) hook of swivel plate (62).

6. according to the described insurance lock of arbitrary claim in the claim 2 to 5, it is characterized in that: the other end of described draw bar (4) movably with stir the structure that piece (41) one ends are connected and be: draw bar (4) by turning cylinder (43) with stir piece (41) and be connected.