CN1467357A - Safety lock for household doors and similar - Google Patents

Safety lock for household doors and similar Download PDF

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Publication number
CN1467357A
CN1467357A CNA031027539A CN03102753A CN1467357A CN 1467357 A CN1467357 A CN 1467357A CN A031027539 A CNA031027539 A CN A031027539A CN 03102753 A CN03102753 A CN 03102753A CN 1467357 A CN1467357 A CN 1467357A
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CN
China
Prior art keywords
pin
key
plate
lock
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA031027539A
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Chinese (zh)
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CN1303301C (en
Inventor
S����Ī����
S·莫图拉
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Mottura Serrature di Sicurezza SpA
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Mottura Serrature di Sicurezza SpA
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Publication of CN1467357A publication Critical patent/CN1467357A/en
Application granted granted Critical
Publication of CN1303301C publication Critical patent/CN1303301C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B9/00Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
    • E05B9/02Casings of latch-bolt or deadbolt locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B21/00Locks with lamelliform tumblers which are not set by the insertion of the key and in which the tumblers do not follow the movement of the bolt e.g. Chubb-locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B35/00Locks for use with special keys or a plurality of keys ; keys therefor
    • E05B35/08Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys
    • E05B35/083Locks for use with special keys or a plurality of keys ; keys therefor operable by a plurality of keys with changeable combination

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)

Abstract

A safety lock is described that is equipped with a removable core provided with means of rekeying that permit the lock to be adapted to a new key.

Description

The safety lock that is used for household door etc.
Technical field
The present invention relates to a kind of safety lock that is used for household door and similar type, it comprises:
The shell that has the keyhole that is used to insert the two-sided key that tooth arranged;
At least one pin, it is arranged in this shell and side-prominent from this shell;
A plate, the tooth that it is connected in this pin and has a cover to engage with key is used to control the motion of pin; And
One group of guard plate in this shell, the perforate at the edge of band recess is provided, latch by the carrying of pin plate passes through this perforate, each all has the trip edge of the counterpart that is used for key described guard plate, and can move towards the moving direction of pin at the right angle, because key overcomes the joint effect of the action of elastic recovery device, this safety pin reaches a position, is formed for making the freely through passage of latch in this position perforate.
The applicant has the lock of tooth to obtain producing to above-mentioned shown type two-sided and will make its commercialization in future, wherein, guard plate in groups is loaded on the auxiliary frame with relevant elastic recovery device, thereby constitute a core that movably is fixed on this shell, on described extensible core, a keyhole that inserts key is arranged, and described pin plate also is installed on the auxiliary frame, make it to be free to slide, this pin plate is connected on this pin in the mode that can throw off coupling.
For the further improvement of above-mentioned specific device, according to first kind of form, purpose of the present invention is the two-sided lock that tooth is arranged, and is equipped with extensible core, it is characterized in that described extensible core is provided with the device of locking again, has differently contoured key so that lock adapts to.
In lock of the present invention, each guard plate comprises two half block plates, and one has the edge that engages with key, and another has the perforate that engages with latch.The described device of locking again is suitable for making described half block plate reorientate and make it to stop together at different relative positions, and purpose is to make described plate be adapted to have differently contoured key.
Because above-mentioned feature, lock of the present invention combines the advantage of extensible core, can make the release mechanism of lock obtain replacing, and do not need to change whole lock, owing to have the advantage that can realize that extensible core locks again, make lock be adapted to have differently contoured key, and do not need to change core.
Whether according to the second way, the present invention will provide a kind of the present invention of being arranged on device of locking again in locking, and do not depend on whether this lock is equipped with extensible core or be the traditional structure that does not possess extensible core.Just as already noted, according to the present invention, each guard plate comprises two half block plates, has trip edge that is used for key and the joint perforate that is used for safety pin respectively, and they can be reorientated at different relevant positions respectively.Again Suo Ding device comprises the half block plate device in place that is used for temporarily stopping the first kind, this half block plate for example has the joint perforate that is used for safety pin, and be used for along the device that moves with the rectangular direction of the direction of motion of pin, the half block plate of second type, they have the trip edge that is used for key, and the half block plate of the first kind is temporarily stopped.
The half block plate of best second type can directly obtain by new key with respect to the reorientating of half block plate of the first kind, lock must be adapted to this new key, make the half block plate of second type engage with this key, the half block plate of the first kind temporarily is blocked simultaneously.
Description of drawings
From the reference the description of the drawings, it is clearer that additional features of the present invention and advantage can become, and these accompanying drawings provide by means of pure limiting examples, wherein:
Fig. 1 is the phantom drawing of first kind of form of the embodiment that locks of the present invention;
Fig. 2 is the part decomposition diagram of locking shown in Fig. 1;
Fig. 3 is the front elevation drawing that forms the extensible core of the lock among Fig. 1 and Fig. 2;
Fig. 4 is the back perspective view that is loaded with the block of the guiding channel that is used to insert key, and this block is fixed on the front portion of the extensible core of lock;
Fig. 5 is the back perspective view of a metal sheet that forms the part of the device of locking lock again, and its position is controlled by a control assembly that is positioned at the front portion of block noted earlier;
Fig. 6 is the rear elevation of described control assembly;
Fig. 7 and 8 is sectional drawings that expression is in the control assembly of two different operating states;
Fig. 9 is the front cross sectional view of the extensible core of lock of the present invention when being in general user mode;
Figure 10 is the front elevation drawing of extensible core, to impel the attention of the metal sheet among Fig. 5 to how;
Figure 11,12 and 13 is views similar to Fig. 9, and they are illustrated in the different operating state of core extensible in the process that locks again of lock;
Figure 14 is the phantom drawing of the rear section of extensible core, and metal sheet is predetermined to be connected on the pin of lock;
Figure 15 is the decomposition view of locking shown in the earlier drawings; And
Figure 16 is the phantom drawing of the modification of locking shown in Fig. 1.
The specific embodiment
In Fig. 1 and 2, one of Reference numeral 1 indication is complete is used for the safety lock of household door etc.Lock 1 comprises the shell 2 of sheet metal system, and pin therefrom stretches out, and this pin for example is made up of many steel pins 3, and they all are positioned at lock by a movable metal sheet carrying.According to known technology, the whole operation mechanism of pin 3 is in an extensible core 4, and a block 50 is carried in the front portion of this extensible core 4, and this block 50 has a guiding channel 60 that is used for the insertion of the two-sided key that tooth arranged.Fig. 2 has shown and has been in the extensible core 4 of extracting the position.
With reference to Figure 15, core 4 comprises an auxiliary frame that is made of two sheet metal plate 4a and 4b, and metal sheet is parallel to each other and divide and to be arranged.Still with reference to Figure 15, Reference numeral 40 is indicated an additional metal sheet, and when core 4 was installed in the inside of lock, this metal sheet was doomed to be connected with the pin plate of lock directly or indirectly, therefore causes it to be associated with pin in operation.Pin plate 40 carries one group of tooth 5, and being used for has the live part (showing with C at Fig. 9) of tooth to engage with the two-sided of key.Pin plate 40 also carries a safety pin 6.Pin plate 40 is mounted to like this, and they can be in extensible core 4 slides within on the direction of motion of pin.
According to known technology, extensible core 4 comprises that also a cover is arranged in the safe metal sheet 7 between two metal sheet 4a and the 4b.Each guard plate provides the edge 7 of a two-sided live part that tooth arranged that is used to engage key and one to have to be used to the perforate of the edge 7b of the band recess that engages safety pin 6.
At the general operation state, above-mentioned lock is realized function in the following manner.The live part of key is inserted in the lock by the guiding channel 60 in the block 50 by making this key, and is shaped on keyhole 61 on preceding metal sheet 4a.In case key is inserted, its rotation makes two-sidedly have the edge of the part of tooth to engage with the edge 7a of guard plate 7.In this way, guard plate 7 is along move (promptly moving vertically upward with reference to accompanying drawing 9) with respect to the rectangular direction of the direction of motion of pin, overcome the action of spring (not drawing among the figure), this action in by Fig. 9 shown in the arrow 8 on the direction appendage 10 to each guard plate apply a power.In this way, each guard plate is arranged on a position, this position is by the appropriate section decision of the key profile that engages opposed edges 7a, make each perforate 7b of all metal sheets 7 be the safety pin 6 that carried of pin plate 40 pass through to reserve a unlimited passage.Be accompanied by itself and the engaging of this cover tooth 5, therefore approved key can continue the motion (with reference to Fig. 9) of the horizontal direction of its rotation and definite pin plate 40.
Showed in front that according to first kind of mode, invention comprised the mounted device that lock locked again at extensible core of being used for, and promptly allowed lock and have differently contoured key and adapt.For example after key is obtained by the stranger, this requirement of lock is all proposed to wish to rebulid at every turn the security performance of lock.
Below, with the example of description at the preferred form of the embodiment of the described device that locks again.Clearly these devices that lock again can be realized by other modes, provide the device of locking again on the extensible core of lock and present invention resides in.From another different angle, the present invention also protects the described herein concrete form of embodiment of the device of locking again, is not useful on the extensible core of lock or does not have on the traditional locks of extensible core and rely on them.
Referring now to the concrete form of the embodiment of the device of locking again that is illustrated in the drawings, at first be necessary to point out, each safe metal sheet 7 comprises two half block metal sheets 71 and 72 (in Figure 11 obviously as seen), one of them has perforate 7b, and another has and is used for the edge 7a that engages with key, and provide reciprocal joint, the tooth of facing in groups 73 makes two half block metal sheets 71 and 72 reorientate, and stops mutually together at different relative positions with the rectangular direction of moving direction (for example vertical direction among Fig. 9-13) of pin with respect to angle.
In the example of shown in the drawings embodiment, the locking again of the extensible core of the present invention's lock can realize by following manner.
With reference to Figure 10, original key is inserted in the lock and forwards the position of the illustrated half-turn of Figure 10 to, thereby the effect (with arrow 8 representative) that overcomes returning spring is along the direction A safe metal sheet 7 (Figure 10) that raises.In this way, key also engages with this group tooth 5 on the pin plate 40, causes the slight of right side (shown in figure) to the latter to be moved.Owing to comprise the effect that the slight combination of moving of the lifting of safe metal sheet 7 and pin plate is moved, the position that safety pin 6 itself arrives as shown in figure 11, it is received in the end grooves of perforate 7b in this position, thereby stops the motion of half block metal sheet 71 on direction A.In this state, remain in the position shown in Figure 10 and 11 by continuing manual live part C with key, overcome the effect 8 of returning spring, each metal sheet will be maintained at above-mentioned position.
Key is remained in the position of above-mentioned half-turn, the top of the rotation control assembly 90 by acting on the front portion that is positioned at block 50 with screwdriver, half block metal sheet 72 is moved to half block metal sheet 71 left sides (Figure 11).Shown in Fig. 4 and 6-8, the corresponding pedestal that provides on the rotation control assembly 90 can be provided screwdriver 100, compresses to be initially at axially going up of these parts 90, overcomes the effect of anti-returning spring 91, can rotate said elements around axis 92 then.Control assembly 90 provides soldered tooth 93, be directed in its arcuation groove 94 on block 50, and engage in the groove 95 of metal sheet 96, metal sheet 96 is directed on the structure of core 4 being parallel on the moving direction of pin, and it carries an auxiliary security pin 97.
Get back to foregoing state, when the position that key C is maintained at half-turn is in position shown in Figure 11 to keep safety pin 11, control assembly 90 can engage with screwdriver 100, and rotating moves to left metal sheet 96, arrive such position,, the latter can be removed (Figure 11) by its two pin 96A effects of passing half block metal sheet 72 in this position.By this mode, take auxiliary security pin 97 to as shown in figure 11 position, be positioned at the perforate 98 of the correspondence on each half block metal sheet 71, thus these half block metal sheets are blocked in aforesaid state.In this point, when extracting key, half block metal sheet 72 promotes (in the drawings with arrow 8 indications) by returning spring and turns back to original position.Simultaneously, auxiliary security pin 97 enters blocking position by the swing arm 110 (seeing Figure 14) on the rotary part 111 that is installed on the metal sheet 4b, makes the joint subsequently of key no longer be held against hook 112.Be aligned in subsequently on the auxiliary security pin 97 at the opening 113 that provides on the swing arm 110, and stop any incorrect of half block metal sheet to move.Being in being locked among Figure 12 of this state can find.In this point, in order to lock again, new key inserts in the lock, because key has different profiles, lock also will adapt with it.Key is remained on the position, with new key resemble before make the lock work.In this way, next key and hook 112 engages, and swing arm 110 is moved once more, and auxiliary security pin 97 thereby freely be returned to its common position.Half block metal sheet 72 is along with live part C* (the seeing Figure 13) running of new key, and each all is in the position corresponding to the shape of the outline portion of the key that engages.Under this state, screwdriver 100 reuses on control assembly 90, so that be used for making half block metal sheet 72 to get back to position with half block metal sheet 71 once more.Thereby this engages one another on new relative position again to the half block metal sheet, makes lock to work with new key.By this mode, realized the locking again of lock.
Naturally, the lock that does not have extensible core of traditional type also can adopt the above-mentioned device of locking again.
Figure 16 has shown a kind of modification of Fig. 1, and it is identical on function, and only having provided one is circular block 50 in shape.
Certainly, understood principle of the present invention after, the structure detail of specific embodiment and form can be with respect to some changes of carrying out by displaying contents that example is described, these also break away from institute of the present invention restricted portion.

Claims (6)

1. safety lock that is used for household door etc., it comprises:
The shell (2) that has the keyhole that is used to insert the two-sided key that tooth arranged;
At least one pin (3), it is arranged in this shell (2) and side-prominent from this shell;
A plate (40), it is connected in this pin (3) and has a cover to be used to control the motion of this pin by the tooth (5) of key joint;
One group of guard plate (7) in this shell (2), the perforate (7b) at the edge of band recess is provided, safety pin (6) by pin plate (40) carrying passes through this perforate, each all has the trip edge (7a) of the counterpart that is used for key described guard plate (7), and can move towards the moving direction of pin at the right angle, because key overcomes the joint effect of the action of elastic recovery device (8), this safety pin reaches a position, is formed for making the freely through passage of safety pin (6) in this position perforate (7b);
Wherein, this group guard plate (7) is carried on the auxiliary frame (4a and 4b) with relevant elastic recovery device (8), so that constitute a core (4) that movably is fixed to this shell (2);
Wherein, on described extensible core (4), a keyhole (61) that is used to insert key is arranged also;
Wherein, described pin plate (40) also is installed on the auxiliary frame (4a and 4b), makes it to be free to slide, and this pin plate (40) is connected on this pin (3) in a kind of mode of throwing off coupling;
It is characterized in that described extensible core (4) is provided with again the device of locking so that lock be suitable for with differently contoured key.
2. safety lock as claimed in claim 1, it is characterized in that, each guard plate (7) comprises two half block plates (71 and 72), they have the joint perforate (7b) that is used for safety pin (6) respectively, with the trip edge that is used for key (7a), and these half block plates (71 and 72) can be reorientated mutually and stop mutually at different relative positions.
3. safety lock according to claim 2 is characterized in that, the described device of locking again comprises the half block plate (71) that is used for stopping the first kind in the position, and the half block plate (72) of second type is reorientated.
4. safety lock according to claim 3 is characterized in that, the described device that is used for reorientating the half block plate (72) of second type is decided by the new key that lock must adapt to.
5. safety lock according to claim 4, it is characterized in that, the described device that is used to stop the half block plate (71) of the first kind provides an auxiliary security pin (97), it is loaded on the accessory plate (96), this plate is movably by control assembly (90) being parallel on the direction of motion of pin, described auxiliary security pin (97) is fit to engage the auxiliary perforate (97a) on the half block plate (71) that is positioned at the first kind, and plays barrier effect in this position by an additional locking lever (110).
6. safety lock that is used for household door etc., it comprises:
The shell (2) that has the keyhole that is used to insert the two-sided key that tooth arranged;
At least one pin (3), it is arranged in this shell (2) and side-prominent from this shell;
A plate (40), it is connected in this pin (3) and has a cover to be used to control the motion of this pin by the tooth (5) of key joint; And
One group of guard plate (7) in this shell (2), the perforate (7b) at the edge of band recess is provided, safety pin (6) by pin plate (40) carrying passes through this perforate, each all has the trip edge (7a) of the counterpart that is used for key described guard plate (7), and can move towards the moving direction of pin at the right angle, because key overcomes the joint effect of the action of elastic recovery device (8), this safety pin reaches a position, is formed for making the freely through passage of safety pin (6) in this position perforate (7b);
It is characterized in that it comprises a device of locking again, in order lock to be adapted to have differently contoured key, the described device of locking again is to make according to one among the claim 2-5 or the multinomial scheme that limits.
CNB031027539A 2002-06-19 2003-01-15 Safety lock for household doors and similar Expired - Fee Related CN1303301C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002TO000529A ITTO20020529A1 (en) 2002-06-19 2002-06-19 SECURITY LOCK FOR HOME DOORS AND SIMILAR
ITTO2002A000529 2002-06-19

Publications (2)

Publication Number Publication Date
CN1467357A true CN1467357A (en) 2004-01-14
CN1303301C CN1303301C (en) 2007-03-07

Family

ID=11459420

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB031027539A Expired - Fee Related CN1303301C (en) 2002-06-19 2003-01-15 Safety lock for household doors and similar

Country Status (9)

Country Link
EP (1) EP1375790B1 (en)
CN (1) CN1303301C (en)
BR (1) BR0301681B1 (en)
ES (1) ES2301728T3 (en)
GR (1) GR1004785B (en)
IT (1) ITTO20020529A1 (en)
PL (1) PL208001B1 (en)
PT (1) PT1375790E (en)
RU (1) RU2309233C2 (en)

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Publication number Priority date Publication date Assignee Title
US7634930B2 (en) 2002-01-03 2009-12-22 Strattec Security Corporation Lock apparatus and method
US7007528B2 (en) 2004-04-01 2006-03-07 Newfrey Llc Re-keyable lock cylinder
ITTO20050406A1 (en) * 2005-06-10 2006-12-11 Mottura Serrature Di Sicurezza SAFETY LOCK FOR HOUSING DOORS, GATES AND THE LIKE
ITBS20050164A1 (en) * 2005-12-23 2007-06-24 Iseo Serrature Spa DOUBLE LOCK SAFETY LOCK FOR DOORS AND GATES
WO2008090572A1 (en) * 2007-01-22 2008-07-31 Iseo Serrature S.P.A. Safety lock with high flexibility of use
CN101842542B (en) * 2007-10-31 2013-01-02 西莎股份公司 Break-in resistant lock
CN102016204A (en) * 2008-05-06 2011-04-13 西莎股份公司 Break-in resistant lock
RU2462571C2 (en) * 2008-05-06 2012-09-27 Чиза С.П.А. Burglar-resistant lock
CN101618767B (en) * 2009-02-11 2013-09-25 贵州航天精工制造有限公司 Method for rapidly disassembling radome on airplane and rotating locks
IT1399264B1 (en) * 2010-03-16 2013-04-11 Mottura Serrature Di Sicurezza SAFETY LOCK
IT1402186B1 (en) * 2010-09-17 2013-08-28 O M R Di Roberto Olivi & C S N C SAFETY LOCK WITH DOUBLE MAP REFINED KEY.

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US4195504A (en) * 1978-08-10 1980-04-01 Best Lock Corporation Mortise lock adaptation to key-removable cores
US5044180A (en) * 1990-05-25 1991-09-03 Master Lock Company Rekeyable shrouded lock
IT1264745B1 (en) * 1993-12-02 1996-10-04 Italiana Serrature Affini LOCK WITH PLATES AND CHANGEABLE ENCLOSURE
IT1279602B1 (en) * 1995-05-26 1997-12-16 Italiana Serrature Affini IMPROVEMENTS TO A LOCK WITH PLATE PANELS AND CHANGEABLE ENCRYPTION
IT1295464B1 (en) * 1997-10-03 1999-05-12 Mottura Serrature Di Sicurezza Safety lock for door of dwelling houses and apartments
IT1299883B1 (en) * 1998-03-05 2000-04-04 Italiana Serrature Affini LOCK WITH PLATE KNOBS AND CHANGEABLE ENCRYPTION.
IT1305505B1 (en) * 1998-07-21 2001-05-09 Bi Porte Blindate S R L Di MEANS FOR CLOSING WINDOWS.
IT1320349B1 (en) * 2000-05-12 2003-11-26 Mottura Serrature Di Sicurezza SECURITY LOCK FOR HOME DOORS OR SIMILAR.
CN2467687Y (en) * 2001-03-07 2001-12-26 刘述义 Blade type door lock capable of changing key teeth shape

Also Published As

Publication number Publication date
PL208001B1 (en) 2011-02-28
ES2301728T3 (en) 2008-07-01
ITTO20020529A1 (en) 2003-12-19
RU2309233C2 (en) 2007-10-27
EP1375790B1 (en) 2008-03-19
EP1375790A3 (en) 2006-10-18
PT1375790E (en) 2008-05-29
GR1004785B (en) 2005-01-25
BR0301681A (en) 2004-08-24
GR20030100016A (en) 2004-02-25
ITTO20020529A0 (en) 2002-06-19
PL360721A1 (en) 2003-12-29
BR0301681B1 (en) 2013-12-17
CN1303301C (en) 2007-03-07
EP1375790A2 (en) 2004-01-02

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