CN101368461B - Universal lock head and its suited key - Google Patents

Universal lock head and its suited key Download PDF

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Publication number
CN101368461B
CN101368461B CN2008101708657A CN200810170865A CN101368461B CN 101368461 B CN101368461 B CN 101368461B CN 2008101708657 A CN2008101708657 A CN 2008101708657A CN 200810170865 A CN200810170865 A CN 200810170865A CN 101368461 B CN101368461 B CN 101368461B
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China
Prior art keywords
lock
core
key
lock core
teeth
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Expired - Fee Related
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CN2008101708657A
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Chinese (zh)
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CN101368461A (en
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王杰
张尧统
王伟
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Individual
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Individual
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Abstract

The invention discloses a universal lock head, belonging to lock field. The lock head comprises a lock shell (5), a lock core (8), a spring (15) and a sliding slug (13). The lock core (8) is arranged inside the lock shell (5). The lock head is characterized in that a runner (10) is arranged on the lock core and the sliding slug is arranged in the runner, and the spring is also arranged in the runner, with one end contacting with the sliding slug. A separation plate (11) is arranged on the sliding slug and can slide along the sliding slug. An accommodation room which can contain the separation plate (11) is arranged at the radial circumference of the lock core, and a first groove (20) corresponding to the runner is arranged on the lock shell. The invention further discloses a matching key. The lock head with such structure can be used for all the locks of a house. If only the lock heads are the same in specification, the locks can be converted to locks which can be unlocked by only one key, and the key can be changed freely without replacing the lock head. The lock head has strong universality and can reduce the number of the keys to be brought along.

Description

Universal lock head reaches the key with its coupling
Technical field
The present invention relates to the five metals field of lockset, what be specifically related to is a kind of tapered end of lockset.
Background technology
At present, the lockset of usefulness has dual mode, a kind of fingerprint recognition formula that belongs to, a kind of cylinder type that belongs to basically usually.No matter being the sort of mode, all is to keep on improving at theftproof performance.And for the lockset of fingerprint recognition formula since its to the ability of fingerprint recognition a little less than, often when identification, repeatedly can not discern, perhaps identification by mistake.Though be to belong to high-tech lockset, the scope of its application is not very wide.The lockset of cylinder type is then because its manufacturing simple application is extensive.Its tapered end of the lockset of this cylinder type is to be made of lock housing, lock core, pellet shot from a slingshot and spring basically, when key infiltrates in the lockhole, utilize the stage teeth of key tooth flower to promote pellet shot from a slingshot, and the pellet shot from a slingshot that is becomes equal with the circumference of lock core and can rotational lock core, reach the purpose of unblanking.Look into patent database, name is called " a kind of cylinder lock head and key ", and notification number is that the patent of invention of CN1270041C is just more representative.This patent disclosure following content: a kind of cylinder lock head, has lock housing, described lock housing is provided with the pellet shot from a slingshot hole, described pellet shot from a slingshot hole is built-in with spring and little pellet shot from a slingshot, it is characterized in that being provided with in the described lock housing middle lock core, and in described, be provided with internal cylinder in the lock core, the center of described internal cylinder is provided with lockhole, be respectively equipped with one group of pellet shot from a slingshot hole on lock core and the internal cylinder in described, edge at described lockhole has elongated slot, and communicate with lockhole, the pellet shot from a slingshot hole of described elongated slot and internal cylinder is the same position on the internal cylinder excircle not, all is equipped with pellet shot from a slingshot in the pellet shot from a slingshot hole of described middle lock core and internal cylinder, and the lockhole face of described internal cylinder is vertical with the pellet shot from a slingshot of internal cylinder, described elongated slot matches described lock housing with pellet shot from a slingshot on the middle lock core, pellet shot from a slingshot hole on middle lock core and the internal cylinder is interconnected when described cylinder lock head is in unlocking condition; On the described internal cylinder one group of pellet shot from a slingshot hole hole count than in one group of pellet shot from a slingshot hole count on the lock core and one group of pellet shot from a slingshot hole count on the lock housing lack.With the key that this cylinder lock head matches, the front and the side of key piece are equipped with tartar, and the tartar in described key piece front matches with the pellet shot from a slingshot on the internal cylinder, and the tartar of described key piece side matches with pellet shot from a slingshot on the middle lock core.
When this cylinder lock is unblanked, key is inserted lockhole, pellet shot from a slingshot on the internal cylinder is with after the tartar in key piece front matches, under the effect of lock housing pellet shot from a slingshot hole inner spring, promote the pellet shot from a slingshot of internal cylinder by lock housing and middle lock core marble, when pellet shot from a slingshot end on the internal cylinder is all overlapped with the excircle arc surface of internal cylinder, rotate internal cylinder 270, pellet shot from a slingshot on the lock core is all matched with the tartar of key piece side by elongated slot, pellet shot from a slingshot end face on the middle lock core also all overlaps with the excircle arc surface of middle lock core, because the pellet shot from a slingshot of middle lock core is stuck in the elongated slot of internal cylinder, is rotated further internal cylinder, lock core rotates in can driving, and reaches the purpose of unblanking.
No matter be the above-mentioned disclosed cylinder lock or the cylinder lock of other modes, its in use, each tapered end must be equipped with a key.And in order to reduce mutual opening rate, that pellet shot from a slingshot is disposed is more as far as possible.As concerning one family, place with lockset is a lot, such as automobile anti-theft lock, safe-guard door lock, lock for motorcycle, cabinet lock, the cabinet door lock door lock or the like in each room is arranged, for the one family member, its each lockset all needs to carry a key, so will be so many locksets, it is exactly a string greatly that entrained key chain is got up, both be inconvenient to deposit and also be inconvenient to carry, and lost easily.After the one big string key loss, just need the key of each lockset be equipped with again, very trouble.And after key loss, carry out stealthy activity for preventing that other people from finding, also must all change tapered end.No matter being bitting or replacing tapered end, both bothering, is again a financial burden.That is to say that all tapered ends on the market can't carry out general with a key now.Even also there is certain difficulty in master key.So present lockset is not also attempted on its versatility except carrying out on the antitheft theftproof performance the technological innovation.
Summary of the invention
In view of the deficiency that background technology exists, the technical problem to be solved in the present invention provides the universal lock head that key of a kind of usefulness can be opened all locksets.
For this reason, the present invention takes following technical scheme to realize: a kind of universal lock head, comprise lock housing, lock core, spring and sliding core, described lock core places in the lock housing, it is characterized in that described lock core is provided with chute, described sliding core places in the described chute, described spring also places in the described chute, and an end of described spring contacts with described sliding core, the catch that moves with sliding core is set on the described sliding core, described sliding core is provided with equidistant first teeth, and the tooth depth of described first teeth equates, described catch is provided with second teeth, and be meshed with the tooth paddy that described first teeth form radial circumference of described lock core of described second teeth is provided with the tank that can perch described catch, and described lock housing is provided with and corresponding first groove of described chute; Described tank is in parallel second groove more than on the lock core circumference, described second teeth and described second groove coupling; The close lockhole end of described lock core is provided with through hole, and described through hole communicates with the key hole of described lock core, is provided with steel ball in described through hole, at the corresponding position of described lock housing first arc groove is set, this arc groove and described steel ball coupling; First teeth on the described sliding core are provided with three at least; Described chute is provided with three at least.
The key of a kind of and above-mentioned universal lock head coupling, have the shank of the key and key body, it is characterized in that being provided with at least on the described key body three convex tendons, on described convex tendon, has step, this step uses as tartar, and the most described step of close the shank of the key and describedly place sliding core one end in contact in the lock core chute is provided with second arc groove with the corresponding position of the through hole of described lock core on the described convex tendon therein.
Tapered end with structure of the present invention is when key inserts core; Key stage teeth flower down pushes away sliding core; The catch that the sliding core drive is mated is to second groove of core; Half is positioned at first groove of lock housing catch, can only move up and down, key drive this moment catch was cut core and was unblanked, its versatility is extremely strong, in all locksets in one family, the tapered end of above-mentioned same structure can be used, only just all locksets can be opened with a key, needn't as a lockset one key in the prior art structure, reduced the trouble of carrying key; Simultaneously, in one family,, can arbitrarily change key temporarily or forever, and needn't change tapered end at certain lockset.
Description of drawings
Relevant details of the present invention and principle thereof are described in further detail below more in conjunction with the accompanying drawings.
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present invention;
Fig. 2 is the structure chart of lock housing of the present invention and lock core;
Fig. 3 structure chart during for blocking of the present invention;
Structure chart when Fig. 4 cuts lock core second groove for catch of the present invention;
The structural behavior figure of lock core when Fig. 5 changes key for the present invention;
Fig. 6 for key of the present invention change finish after, the structure chart of lock core original state.
The specific embodiment
With reference to accompanying drawing, this universal lock head, comprise lock housing 5, lock core 8, spring 15 and sliding core 13, described lock core 8 places in the lock housing 5, the identical radian of being separated by on the described lock core 8 is provided with five chutes 10, described sliding core 13 places in the described every chute 10, described spring 15 also places in the described every chute 20, and an end of described spring 15 contacts with described sliding core 13, when lock core 8 is installed, earlier sliding core 13 is put into five chutes 10, put into spring 15 then, use pad 16 at last, spacer 17, snap ring 18 is fixing with lock core 8 by connecting pin 19, and the other end of sliding core 13 is sealed it with lock housing 5 in the chute 10, and spring 12 and sliding core 13 are installed on the lock core 8, and the catch 11 that moves with sliding core 13 is set on the described sliding core 13, the radial circumference of described lock core 8 is provided with the tank that can perch described catch 11, and described lock housing 5 is provided with and described chute 10 corresponding five first grooves 20; Described sliding core 13 is provided with equidistant first teeth 14, and the tooth depth of described first teeth 14 is equal, and described catch 11 is provided with second teeth 12, and described second teeth 12 are meshed with the tooth paddy that described first teeth 14 form; Described tank is two second parallel grooves 9 on lock core 8 circumference, and described second teeth 12 and described second groove, 9 couplings are so catch 11 can rotate by the circumference along lock core 8 in described second groove 9 by second teeth 12; The close lockhole end of described lock core 8 is provided with through hole 22, described through hole 22 communicates with the key hole 6 of described lock core, in described through hole 22, be provided with steel ball 7, on described lock housing 5, first arc groove 23 is set, this first arc groove 23 and described steel ball 7 couplings with described through hole 22 corresponding positions; First teeth 14 on the described sliding core 13 are provided with five.In theory, this first teeth 14 are provided with manyly more, and the key mutual opening rate that matches with it is low more.Key with above-mentioned universal lock head coupling, have the shank of the key 1 and key body 2, at least be provided with three convex tendons 3 on the described key body 2, be provided with five convex tendons 3 in the present embodiment, on described convex tendon 3, has step 4, this step 4 uses as tartar, the high and low position of step 4 is set on every convex tendon 3, it is exactly the height of tartar position, so but the position random variation that tartar is provided with on each bar convex tendon 3 so the mutual opening rate of such key is very low, has also improved its theftproof performance, position height described here is the distance size of step from the shank of the key 1.Described step 4 and described lock core chute 10 interior sliding core 13 1 end in contact that place, the through hole 22 corresponding positions with described lock core on the described convex tendon 3 therein are provided with second arc groove 21.
Set forth structure of the present invention above, described the usage of this structure tapered end below again in detail.
When key of the present invention inserts the lock core 8 that is mated, the step of the high and low position injustice on the key convex tendon 3, be that tartar promotes sliding core 13 downwards, sliding core 13 drives catch 11 and moves in chute 10, and the key that is mated is when shifting onto, it is concordant just second teeth 12 of catch 11 to be pushed on the lock core circumference second groove 9, key, when driving lock core 8 rotations, because half of catch 11 is positioned at first groove 20 of lock housing 5, after being blocked by lock housing 5, then second teeth 12 of catch 11 are rotated along second groove 9 on the lock core 8, so just can rotational lock core 8, and reach the purpose of unblanking.When locking, the counter-rotating key, lock core 8 counter-rotatings, make each chute 10 of lock core turn to the position of mating with each catch 11, because the effect of each chute 10 inner spring 15, sliding core 13 is pushed, end until sliding core 13 is withstood by lock housing 5, simultaneously because catch 11 position irregular arrangement on each sliding core 13, when sliding core 13 moves, drive in first groove 20 of catch 11 lock housing 5 in mobilely and leave second groove 9 of lock core circumference, make catch 11 be blocked by first groove 20 of lock housing 5, lock core 8 is rotated, and reach the purpose of locking.
When needs are changed key, the key that originally matches with lock core 8 is inserted lock core, rotate 150, at this moment, the through hole 22 that holds steel ball 7 on the lock core 8 is just corresponding with first arc groove 23 in the lock housing 5, the pulling key, steel ball 7 just breaks away from second arc groove 21 on convex tendon 3 of key, moves in first arc groove 23 of lock housing 5 explanation this moment, after catch 11 on the sliding core 13 rotates along lock core 8, broken away from the chute 10 of lock core 8 fully and perch in the tank of lock core 8, promptly in second groove 9, thereby the steel ball on the lock core 87 has the effect of location, at this moment, original key can be pulled out, and sliding core 13 is all pushed the end of lock core 8 near lockhole again under the active force of spring 15, and withstood by lock housing 5, be in " making zero " state; And then take other one to insert lock core 8 with original different key, and reverse 150 again, the catch 11 in second groove 9 on the lock core 8 are revert on the sliding core 13, pull out key again, just finish key conversion action.So its versatility of tapered end of the present invention is very strong, all locksets in one family all can carry a key with same tapered end, and temporary needs change key is arranged, and can change by the way of above-mentioned conversion key, use simply, theftproof performance is also stronger.

Claims (6)

1. universal lock head, comprise lock housing (5), lock core (8), spring (15) and sliding core (13), described lock core (8) places in the lock housing (5), what it is characterized in that described lock core (8) axially is provided with chute (10), described sliding core (13) places in the described chute (10), described spring (15) also places in the described chute (10), and an end of described spring (15) contacts with described sliding core (13), described sliding core (13) is gone up the catch (11) that moves with sliding core (13) is set, described sliding core (13) is provided with equidistant first teeth (14), and the tooth depth of described first teeth (14) equates, described catch (11) is provided with second teeth (12), described second teeth (12) are meshed with the tooth paddy that described first teeth (14) form, the radial circumference of described lock core (8) is provided with the tank that can perch described catch (11), and described lock housing (5) is provided with and corresponding first groove of described chute (10) (20).
2. universal lock head according to claim 1 is characterized in that described tank (9) is in parallel second groove (9) more than on the lock core circumference, second teeth (12) on the described catch (11) and described second groove (9) coupling.
3. universal lock head according to claim 1, it is characterized in that being provided with through hole (22) in the close lockhole end of described lock core (8), described through hole (22) communicates with the key hole (6) of described lock core, in described through hole (22), be provided with steel ball (7), at the corresponding position of described lock housing (5) first arc groove (23) is set, this arc groove (23) and described steel ball (7) coupling.
4. universal lock head according to claim 2 is characterized in that first teeth (14) on the described sliding core (13) are provided with three at least.
5. universal lock head according to claim 3 is characterized in that described chute (10) is provided with three at least.
6. key with the described a kind of universal lock head coupling of claim 5, have the shank of the key (1) and key body (2), it is characterized in that being provided with at least on the described key body (2) three convex tendons (3), on described convex tendon (3), has step (4), this step (4) uses as tartar, and described step (4) and described interior sliding core (13) one end in contact of lock core chute (10) that place, a described convex tendon (3) are therein gone up and the corresponding position of through hole (22) of described lock core is provided with second arc groove (21).
CN2008101708657A 2008-10-16 2008-10-16 Universal lock head and its suited key Expired - Fee Related CN101368461B (en)

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Application Number Priority Date Filing Date Title
CN2008101708657A CN101368461B (en) 2008-10-16 2008-10-16 Universal lock head and its suited key

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Application Number Priority Date Filing Date Title
CN2008101708657A CN101368461B (en) 2008-10-16 2008-10-16 Universal lock head and its suited key

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CN101368461A CN101368461A (en) 2009-02-18
CN101368461B true CN101368461B (en) 2011-09-14

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102606000B (en) * 2012-04-01 2015-02-18 张春贺 Safety lock
CN102644416A (en) * 2012-05-18 2012-08-22 黎书满 Lock head
CN102704754A (en) * 2012-07-05 2012-10-03 陈波 Locking sliding slice type antitheft lock and key
CN109610934A (en) * 2018-11-16 2019-04-12 珠海华伟电气科技股份有限公司 A kind of lockset of graduated encoding

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724841A (en) * 1994-12-27 1998-03-10 Silca, S.P.A. Key and cylinder lock unit
CN1584268A (en) * 2004-06-10 2005-02-23 周章东 Tapered end and key of bullet lock
CN1844624A (en) * 2006-04-28 2006-10-11 唐洪勇 Theft-proof lock core

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5724841A (en) * 1994-12-27 1998-03-10 Silca, S.P.A. Key and cylinder lock unit
CN1584268A (en) * 2004-06-10 2005-02-23 周章东 Tapered end and key of bullet lock
CN1844624A (en) * 2006-04-28 2006-10-11 唐洪勇 Theft-proof lock core

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Granted publication date: 20110914

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