CN87213368U

CN87213368U - Mechanical puzzle lock door

Info

Publication number: CN87213368U
Application number: CN 87213368
Authority: CN
Inventors: 王允奇
Original assignee: Individual
Current assignee: Individual
Priority date: 1987-09-16
Filing date: 1987-09-16
Publication date: 1988-06-01

Abstract

The utility model relates to a mechanical puzzle lock door, which can not only prevent the occurence of the mischief that someone puts an abnormal object in a key hole, but also can prevent the behavior against the law that someon uses an original or a matched keys. Actually, the utility model can add a door at the front of the key hole of a common lock, and the opening and the closing of the door is controlled by a mechanical puzzle mechanism. Most parts of the utility model is stamped out by steel sheets. The utility model not only can be in matching production with a safe case lock or a common door lock, but also can be used by connecting with the currently used door lock. The mechanical puzzle lock door can form an integral system with an illumination device, a door bell, an alarm device and other devices.

Description

Mechanical puzzle lock door

The keyhole that the utility model is actually to door lock has added a sect, and can this door open the control by a mechanical cipher mechanism, locks a door so be referred to as the mechanical cipher formula.

The utility model belongs to the protective device of lock, and used three insurance locks have made the safety of door lock improve greatly.But the people that any meeting opens the lock with the key is as long as have the first wife of lock or preparation key can open lock easily; Though the outer human key of common safety cabinet is difficult for opening safety cabinet, the same with three insurance locks, artificial put into mischief that a little foreign matter causes in the keyhole that owner is unblanked is also very difficult.The protective device of Vehicle locks such as common automobile also only plays effects such as waterproof and dustproof.

Japan Patent is clear has announced a protective device of locking with 59-192167; the front of lock coats the shell made from nonmagnetic substances such as stainless steels; simultaneously on the header board of shell, offer key insertion hole, and can close the revolution baffle plate of keyhole in the configuration of the inboard of shell corresponding to the lock core place.And carry out forming magnetic circuit between the magnetic key of keying operation of baffle plate and baffle plate in order to make from the outside of shell, on baffle plate, be provided with magnet, just must there be special-purpose magnetic key can open key hole for this reason.

The purpose of this utility model provides and a kind ofly can prevent that not only artificial mischief of putting foreign matter in the keyhole from taking place.And can prevent the first wife of his human lock or the device of the preparation improper behavior that key carried out effectively.

The utility model is to realize like this.There is a header board front of lock, and the outer rim of header board is stuck on the elastic clamp seat, and header board has the hole, garden corresponding to lock stamen place, place, hole, garden with lock between disposed two identical not a half gardens.Each stroke of string central side departed from two not a half gardens half cone shape nest, and two not a half gardens can directly with in the concentric eccentric bushing of lock stamen rotate together with it.The able to turn on or off seam that equals the keyhole width in two not a half gardens is formed the door that leads to keyhole together.Spring force acts on the keeper, makes an end of keeper press door, keeps door normally closed.The above-mentioned lock door mechanism that is referred to as.Can this sect that lead to keyhole open by the mechanical cipher mechanism control decision that is enclosed within on the elastic clamp seat.Its composition is that some garden rings are contained in the cover, and cover is stuck on the elastic clamp seat, and the garden interannular has the cage ring of interfering between anti-ring and the ring.Have on the ring of garden and transmit the plectrum that rotates, have breach on the ring of garden, the width of breach is slightly larger than the width of keeper, the numeral of the determining positions password of the relative plectrum of breach, and all the corner of garden ring can be adjusted by rotating a dial that does not move.Dial self also plays the garden ring, is carved with digital calibration on the dial, and it covers on garden ring and the outside of overlapping, and is enclosed within on the elastic clamp seat.When making notch alignment keeper on the ring of whole gardens with numeral rotation dial according to certain rules, push the bar seam aside with regard to the half cone shape nest of available key on door and insert the keyhole rotation and unblank.Otherwise the other end that garden ring internal diameter blocks keeper extremely can't be pushed aside door lock.

The utility model is compared with prior art, though Japan Patent is clear and 59-192167 can work the mischief generation of preventing putting foreign matter in keyhole, what its opened revolution baffle plate is magnetic key, can not prevent the improper behavior that the evildoer carries out with first wife or preparation key.The utility model can overcome above shortcoming makes lock more safe and reliable.

Concrete structure of the present utility model is provided by accompanying drawing, and wherein Fig. 1 is an elevation, and garden 2 is along B-B face revolved sectional view among Fig. 1.Half section among Fig. 1 and partial sectional view respectively are to dissect along A-A among Fig. 2 and C-C face, and door, keeper, spring are not all dissectd.Fig. 3 transmits the schematic diagram that rotates along each garden ring of mechanical cipher mechanism part that B-B face rotation among Fig. 1 is dissectd.The title of each part is: (1) dial, (2) elastic clamp seat, (3) header board, (4) door, (5) door, (6) spring, (7) eccentric bushing, (8) keeper, (9) catch, (10) cover, (11) garden ring, (12) cage ring, (13) garden ring, (14) cage ring, (15) garden ring, (16) backboard, (17) locating snap ring.The title at each structural feature place is: (18) plectrum, (19) plectrum, (20) plectrum, (21) plectrum, (22) plectrum, (23) plectrum, (24) taper nest, (25) taper nest, (26) pawl.Door lock among Fig. 4 and Fig. 2 is painted for helping to understand the utility model, among the figure: (27) lock stamen, (28) keyhole, (29) lock body.Between catch (9) and elastic clamp seat (2) is interference fit, makes header board (3) eccentric bushing (7) location; Cage ring (12), (14) are stuck on the cover (10), and all have the breach that encircles the same width in (13) (11) (15) with the garden; Pawl (26) totally four uniform.The utility model can be made into different coupling mechanisms according to dissimilar locks.Accompanying drawing 2 provides a kind of and has now used the matching used scheme of door lock: take down locating snap ring (17), four pawls (26) of pressing on the spring deck (2) take off backboard (16), lock body (29) is packed into backboard (16), again backboard (16) is stuck in the elastic clamp seat (2), puts locating snap ring (17); Can resemble to install and it is positioned on the door the common door lock.During use, dextrorotation dial (1) makes its zero set, continues to revolve three circles again to first sign indicating number, at this moment (18) dial (19), (20) dial (21), (22) dial (23) make garden ring (15) notch alignment keeper (8); In like manner left-handed two circles are to second sign indicating number, and one-turn-right is to the 3rd sign indicating number, and is left-handed directly to the 4th sign indicating number, can make the notch alignment keeper on garden ring (13) (11) dial (1) respectively.It is rotatable unblanking that key alignment taper nest (24) is located to push aside door (5) insertion key.When not needing mechanical cipher mechanism to limit the unlatching of door (4) (5), only need when extracting key out, door (4) (5) to be rotated an angle and get final product.

Implementing the utility model preferably makes the hole, garden of header board (3) and lock stamen (27) concentric with the footpath; The internal diameter of eccentric bushing (7) is greater than lock stamen (27) diameter and two times of keyholes (28) width K sum.The diameter of door (4) (5) is identical with the internal diameter of cover (7), and action equals radius and deducts 1/2nd lock keyholes (28) width K; Keeper (8) points to the width of door (5) end greater than two times of keyholes (28) width K; Catch (9) is concentric with the footpath with the hole of header board (3).The difference of the outer inside radius of ring (11) (13), garden (15) equals keyhole (28) width K.The monnolithic case dimensional thickness is 50 millimeters of 12 millimeters, diameter, and big multi-part is stamped to form by steel sheet.The utility model also can be locked the use that forms a complete production network with safety cabinet; Also can form a complete system with devices such as illumination, the door tinkling of pieces of jade, warnings.

Claims

1; before lock keyhole, add the protective device that a mechanism that opens and closes keyhole belongs to lock; feature of the present utility model is: header board (3); door (4) (5); spring (6); eccentric bushing (7); keeper (8) has been formed normally closed " door " that is added in the lock keyhole front together; can door (4) (5) be unlocked by ring (11) (13) (15), garden; cover (10); cage ring (12) (14); the mechanical cipher mechanism control that dial (1) is formed, and header board (3); eccentric bushing (7); catch (9) cover (10) is stuck on the elastic clamp seat (2); dial (1) is enclosed within the elastic clamp seat (2).

2, device according to claim 1 is characterized in that the hole, garden on the header board (3) is concentric with the footpath with lock stamen (27).

3, according to claim 1,2 described devices, the internal diameter that it is characterized in that eccentric bushing (7) is greater than lock stamen (27) diameter and two times of keyhole width K sums.

4, device according to claim 1 is characterized in that the diameter in door (4) (5) two not a half gardens is identical with the internal diameter of cover (7).

5, device according to claim 1 is characterized in that keeper (8) points to the width of door (5) end greater than two times of keyholes (28) width K.

6, device according to claim 1, the difference of outer inside radius that it is characterized in that garden ring (11) (13) (15) is greater than the width K of keyhole (28).

7, device according to claim 1 is characterized in that the internal diameter of cover (10) equals the external diameter of ring (11) (13), garden (15).