CN209293588U - Changing cipher lockset - Google Patents

Abstract

Changing cipher lockset disclosed by the utility model, including a lock core and a key, lockhole is in axial direction formed among lock core, lockhole hole wall front end forms card slot, lock end password slot is in axial direction formed above lockhole, the lock end cryptographic block of multiple alignments is in axial direction placed in the lock end password slot, and each lock end cryptographic block radially opens up lower layer's pin hole, it is equipped with lower layer's thimble in each lower layer's pin hole, is respectively equipped with upper layer thimble above each lower layer's pin hole；Key includes a mobile jib and a key connector, and key connector is connected to mobile jib rear end, and key connector corresponds to card slot and forms fixture block；Mobile jib side in axial direction forms multiple key end password slots, and the key end cryptographic block of multiple alignments is in axial direction placed in each key end password slot, and each key end cryptographic block corresponds to lower layer's thimble and forms a tartar.The lock structure is simple, using flexible, realize the endless replacement of unlocking cipher and it is single key is opened more lock core, reduce the manufacturing cost and use cost of lockset.

Description

Changing cipher lockset

Technical field

The utility model relates to mechanical lock technical field, in particular to a kind of mechanical lock of changing cipher.

Background technique

The lockset of existing replaceable password is mostly based on electronic lock, such as common digital and electronic lock, fingerprint recognition password Lock etc., electronics lock cipher is by code or is digitally stored in equipment, and replacement password only needs to wipe original code record i.e. Can, cryptography architecture is replaced for mechanical lock and operation is all complex.

The mechanical lock of existing replaceable password is usually to pass through rotatable combination pin disk or the realization of combination pin wheel It is that multiple combination disk/wheels are arranged in a combination that the switching of lock core cipher, which is specifically by cylinder design, is divided in each combination disk The thimble of different length or shape is arranged in each pin hole for the multiple pin holes of cloth, is made by rotational password disk different long in lock core The thimble of degree corresponds to the tartar position after key insertion lock core, and since thimble length or shape change, key tartar is also required to Corresponding change, therefore the key of first wife will mismatch the lock core for having new password, to achieve the purpose that cryptographic transformation.

From the design of the structure of above-mentioned coded lock, have the disadvantage that

1) it is that the combination of multiple combination disks is constituted by cylinder design, the thimble of different size is set again in combination disk, is undoubtedly mentioned The problem of high difficulty of lockset manufacturing process, lock core structure is more complicated compared to conventional lock, and switching cipher easily gets stuck；

2) since combination disk quantity and its pin hole quantity are limited, the password quantity that can be combined into is also limited, real Due to just non-exchange after combination disk production assembly on border, password quantity does not have expandability；

3) after the mechanical lock of existing replaceable password is switched to new password at it, unlocking key is also required to newly match, this Sample, which causes each password of a lock to require a corresponding key, to be opened, it is clear that it does not have for from cost Any advantage；

4) when surprisingly losing the key of some corresponding password, the coded lock cannot random switching cipher, make It is restricted on convenience.

In view of this, the present inventor furthers investigate mechanical lock, propose that a kind of structure is simple and can flexibly replace Password does not need more locksets key of arranging in pairs or groups.

Utility model content

The purpose of this utility model is to provide a kind of changing cipher locksets, and structure is simple, and using flexible, realization is opened The endless replacement of lock cipher and it is single key is opened more lock core, reduce lockset manufacturing cost and use cost.

To achieve the goals above, the technical solution of the utility model is as follows:

Changing cipher lockset, comprising:

One lock core, in axial direction forms the lockhole for key insertion among it, which forms at least One card slot, lockhole top in axial direction form lock end password slot, and it is multiple right in axial direction to place in the lock end password slot The lock end cryptographic block arranged together, each lock end cryptographic block radially open up lower layer's pin hole, and it is different to be equipped with length in each lower layer's pin hole Or the variform lower layer's thimble of bottom terminal ends, each lower layer's pin hole top are respectively equipped with the upper layer that one can enter lower layer's pin hole and push up Needle；

One key a comprising mobile jib and a key connector, key connector are connected to mobile jib rear end, correspond on key connector The card slot forms fixture block；The mobile jib side in axial direction forms multiple key end password slots, in each key end password slot The key end cryptographic block of multiple alignments is in axial direction placed, each key end cryptographic block corresponds to lower layer's thimble and forms one Tartar, teeth form shape are corresponding with lower layer's thimble end shape；When key is inserted into lockhole, the fixture block of key connector is caught in card slot In, wherein the key end cryptographic block of side and the lock end cryptographic block correspond on mobile jib, enable all lower layer's thimbles lower end It enough falls into corresponding tartar.

It further, further include a lock housing, a lock pin ring and a lock end end cap；The lock housing opens up the through-hole that front and back penetrates through, lock Core is pivotally inserted into lock housing through-hole from lock housing rear end, lock housing top correspond to lower layer's pin hole radially open up it is more A upper layer pin hole, the upper layer thimble are movably arranged in the pin hole of upper layer, and upper layer pin hole upper end fills in one for blocking upper layer top The plug of needle；The lock housing also opens up the notch being laterally inserted into for lock pin ring, and lock core is inserted into its rear end and lock pin after lock housing through-hole Ring set connects, and a lock pin for being used for/unlocking is extended to form on the outside of lock pin ring；The lock end end cap lid is closed in lock housing rear end.

It further, further include a dismantling bar；Upper layer thimble upper end extends to form stop section, lock housing top edge to side Axial direction opens up a dismantling hole, which communicates with all upper layer pin holes, and the dismantling bar is from lock housing rear end can be rotated Mode be inserted into dismantling hole in, dismantling rod rear end formed dismantling toggle, dismantling bar side face correspond to the stop section formed block Slot, rotation dismantling bar can make block groove groove wall resist stop section and upper layer thimble is driven above to mention, to prevent upper layer thimble to whereabouts Enter in lower layer's pin hole.

Further, lock end password slot two sides cell wall opens up slot, and one is planted in slot for choking lock end cryptographic block Rubber sheet gasket.

Further, the lock pin ring inner wall in axial direction opens up multiple sliding slots, and the lock core periphery corresponds to sliding slot and formed Multiple sliding rails, lock core rear end are connect by the cooperation of sliding rail and sliding slot with the lock pin ring set.

Further, all around four sides are respectively formed a key end password slot to the mobile jib, and key end password slot passes through The rear and front end of mobile jib is worn, mobile jib front end is mounted on a prevention key end cryptographic block from the key end that key end password slot is deviate from Lid.

Further, the lockhole front end forms four card slots at equal intervals, and the card slot is corresponded on key connector and forms card Block forms four equidistant fixture blocks.

Further, the lock end cryptographic block is in " convex " font, and the vertical cross-section of the password slot corresponds to lock end password Block is also " convex " font.

Further, the lock core is cylinder.

After adopting the above scheme, the utility model unlocking process is as follows: key being inserted into lockhole from front end, if each lower layer pushes up Needle lower end can be fallen into corresponding tartar, and lower layer's thimble upper end can be assorted in lower layer's pin hole top position at this time, then it represents that Key end cryptographic block on the key can be corresponded with lock end cryptographic block, and password match, upper layer thimble will not enter lower layer In pin hole, lock core is rotatable；Since the fixture block of key connector is caught in card slot, when rotating key, lock core can be with lock Spoon rotates together, and lock core rotation will drive lock tongue or locking bolt movement is completed to unlock；

When lock end cryptographic block and key end cryptographic block mismatch, i.e. password mistake can be taken off key, by all key ends Cryptographic block is removed, and readjustment puts in order after can corresponding to lock end cryptographic block and places into key end password slot, Huo Zhetong The mobile jib for crossing key connector rotation key, is adjusted to the key end password groove location of the other side that can correspond to lock end cryptographic block Position (direction i.e. upward) can also complete if the key end cryptographic block of the side can be corresponded in lock end cryptographic block It unlocks.

When needing replacing lock core cipher, then lock end cryptographic block is removed, readjustment is put into lock end password after putting in order In slot, part lock end cryptographic block can also be removed, new cryptographic block is replaced with, to realize that password quantity extends.

The utility model has the advantage that

One, the utility model places lock end password by way of slotting on lock core and key on the two respectively Block and key cryptographic block, and two kinds of cryptographic blocks are easy taking-up sequencing and replacement again and are tying so that cipher change is very convenient The problem of structure design is more simple, and processing technology difficulty is low, gets stuck when avoiding password switching；

Two, in the case of the utility model can realize limited lock end cryptographic block by way of lock end cryptographic block again sequencing Multiple password combinations, the infinite expanding of password quantity is realized by replacing new lock end cryptographic block, substantially increases lockset Safety；

Three, multiple groups key is arranged in the utility model by way of two kinds of cryptographic block combination pairings and on single key The mode of cryptographic block has not only reached the purpose of no replacement is required key after replacement password, also achieve it is single key can be opened it is more It is single that key is corresponded to the quantity of lock core by it lock (i.e. single that the key cryptographic block of the every side of key is matched a lock core respectively) The key end password slot number that side can open up determines that key can be corresponded to lock core by general list, by adjusting lock end cryptographic block Sequence can also open more lock cores, therefore from lockset purchase cost for substantially reduce；

Four, when losing key, only it is to be understood that in lock core the arrangement information of lockset cryptographic block or take out lockset cryptographic block Its arrangement information (i.e. encrypted message) is obtained, uses similar key instead, giving corresponding key cryptographic block of arranging in pairs or groups can continue open Lock not only solves the problems, such as that losing key can not unlock, and also avoid the wasting of resources.

The utility model is described further below in conjunction with the drawings and specific embodiments.

Detailed description of the invention

Fig. 1 is the explosive view of the utility model；

Fig. 2 is the general assembly drawing of the utility model；

Fig. 3 is the structural schematic diagram that the utility model hides lock housing；

Fig. 4 is the structural schematic diagram that the utility model hides lock housing, lock core；

Fig. 5 is the sectional side view of the utility model；

Fig. 6 is the utility model side view explosive view；

Fig. 7 is the top view of the utility model lock core；

Fig. 8 is the front view of the utility model lock core；

Fig. 9 is the rearview of the utility model lock core；

Figure 10 is the rearview of the utility model lock housing；

Figure 11 is the rearview of the utility model lock pin ring；

Figure 12 is the front view of the utility model mobile jib；

Figure 13 is the front view of the utility model key connector；

Figure 14 is the front view of the utility model dismantling bar；

Figure 15 is the side view of the utility model dismantling bar；

Figure 16 is the front view of the utility model lock end cryptographic block；

Figure 17 is the top view of the utility model lock end cryptographic block.

Label declaration

Lock core 1, lockhole 11, card slot 111, lock end password slot 12, slot 121, lock end cryptographic block 13, lower layer's pin hole 131, under Layer thimble 14, upper layer thimble 15, stop section 151, rubber sheet gasket 16, sliding rail 17,

Key 2, mobile jib 21, key end password slot 211, key end cryptographic block 212, tartar 213, key connector 22, fixture block 221, key end cap 23

Lock housing 3, through-hole 31, upper layer pin hole 32, notch 33 disassemble hole 34

Lock pin ring 4, lock pin 41, sliding slot 42

Lock end end cap 5 disassembles bar 6, disassembles toggle 61, block slot 62, plug 7

Specific embodiment

The changing cipher lockset disclosed as shown in figures 1 to 6 for the utility model, including a lock core 1, a key 2, one lock Shell 3, a lock pin ring 4 and a lock end end cap 5；

The lockhole 11 being inserted into for key 2, the lockhole 11 are in axial direction formed referring to Fig. 1 and Fig. 5-9, among lock core 1 Hole wall front end forms at least one card slot 111, and 11 top of lockhole in axial direction forms lock end password slot 12, the lock end password slot The lock end cryptographic block 13 of multiple alignments is in axial direction placed in 12, each lock end cryptographic block 13 is radial to open up lower layer's needle Hole 131, is equipped with that length is different or the variform lower layer's thimble 14 of bottom terminal ends in each lower layer's pin hole 131, and lower layer's thimble 14 can It is up and down in lower layer's pin hole 131, it is respectively equipped with the upper layer that one can enter lower layer's pin hole 131 above each lower layer's pin hole 131 and pushes up Needle 15；

Referring to Fig. 1,4,6,8,9,11-13, key 2 includes a mobile jib 21 and a key connector 22, and key connector 22 connects In 21 rear end of mobile jib, the card slot 111 is corresponded on key connector 22 and at least forms a fixture block 221；21 side of mobile jib is along axis Multiple key end password slots 211 are formed to direction, in axial direction place multiple alignments in each key end password slot 211 Key end cryptographic block 212, the corresponding lower layer's thimble 131 of each key end cryptographic block 212 forms a tartar 213, tartar 213 Shape is corresponding with lower layer's 14 lower end shapes of thimble；When key 2 is inserted into lockhole 11, the fixture block 221 of key connector 22 blocks Enter in card slot 111, the wherein lock end cryptographic block on the key end cryptographic block 212 Yu spool 1 of side on the mobile jib 21 of key 2 13 correspond, and all 14 lower ends of lower layer's thimble is enable to fall into corresponding tartar 213.

Referring to Fig. 1,6 and 10, lock housing 3 opens up the through-hole 31 that front and back penetrates through, and lock core 1 is from 3 rear end of lock housing with rotatable side Formula is inserted into the through-hole 31 of lock housing, and 3 top of lock housing corresponds to lower layer's pin hole 131 and radially opens up multiple upper layer pin holes 32, institute The setting movable up and down of upper layer thimble 15 is stated in upper layer pin hole 32, pin hole 32 upper end in upper layer fills in one for blocking upper layer top The plug 7 of needle 15；The lock housing 3 also opens up the notch 33 being laterally inserted into for lock pin ring 4, and lock core 1 is inserted into the through-hole 31 of lock housing 3 Afterwards, the rear end of lock core 1 and lock pin ring 4 are socketed, and a lock pin 41 for being used for/unlocking is extended to form on the outside of lock pin ring 4, specifically, 4 inner wall of lock pin ring of the present embodiment in axial direction opens up multiple sliding slots 42, and 1 periphery of lock core corresponds to sliding slot 42 along axial side To multiple sliding rails 17 are formed, 1 rear end of lock core is socketed by the cooperation of sliding rail 17 and sliding slot 42 and the lock pin ring 4；The lock end The lid of end cap 5 is closed in 1 rear end of lock housing.

Based on above-mentioned lock structure, when the changing cipher lockset of the present embodiment is in locked state, all lower layer tops Needle 14 can extend out to lockhole from 131 lower end of lower layer's pin hole, and the upper end of all lower layer's thimbles 14 will not be all aligned, at this moment upper layer 15 lower end of thimble can enter lower layer's pin hole 131 in, due to lock end cryptographic block 13 be set to lock core 1 lock end password slot 12 in and upper layer The part of thimble 15 is located in the upper layer pin hole 32 of lock housing 3, and lock core 1 is caused to be blocked by upper layer thimble 15, cannot be relative to lock housing 3 Rotation, is also just unable to drive the rotation of lock pin ring 4, and the lock pin 41 on lock pin ring can cooperate corresponding hole to keep locked state；

The unlocking process of the changing cipher lockset are as follows: key 2 is inserted into lockhole 11 from 1 front end of lock core, if each lower layer pushes up 14 lower end of needle can be fallen into corresponding tartar 213, and 14 upper end of lower layer's thimble can match in 131 top position of lower layer's pin hole at this time Together, then the key end cryptographic block 212 on the key 2 can be corresponded with lock end cryptographic block 13, password match, upper layer thimble 15 It will not enter in lower layer's pin hole 131, lock core 1 can be rotated relative to lock housing 3；Since the fixture block 221 of key connector 22 can block simultaneously Enter in card slot 111, therefore when rotating key 2, lock core 1 can be rotated together with key 2, and the rotation of lock core 1 will drive lock pin ring 4 Movement, and then so that lock pin 41 is detached from corresponding locked position and complete to unlock.To lock again, then to rotation key 2, by lock pin 41 Locked position is turned to, key 2 is then extracted from lockhole 11, falls into upper layer thimble 15 again in lower layer's pin hole 131.

The progress of the utility model is characterized by:

One replaces password using the lock end cryptographic block 13 and key cryptographic block 212 of reconfigurable sequence, not only mentions The convenience of cipher change is risen, it is often more important that realize multiple password combinations in the case of limited lock end cryptographic block 13, lead to It crosses and replaces the infinite expanding that new lock end cryptographic block realizes 1 password quantity of lock core；

Secondly, multiple key end password slots 211 (preferably four) of being unlocked by the side of the mobile jib 21 in key, realize single Key 2 can be carried multiple unlock code, i.e., list can open key 2 more lock core 1, greatly reduce lockset use cost.

Lock end password is dismantled and replaced for the ease of lock core 1, and above-mentioned changing cipher lockset includes a dismantling bar 6；It is described Thimble 15 upper end in upper layer extends to form stop section 151 to side, and 3 top of lock housing in axial direction opens up a dismantling hole 34, this is torn open Solution hole 34 is communicated with all upper layer pin holes 32, and the dismantling bar 6 is pivotally inserted into dismantling hole 34 from 3 rear end of lock housing In, dismantling 6 rear end of bar forms dismantling toggle 61, and dismantling 6 side of bar corresponds to the stop section 151 and forms block slot 62, rotation Dismantling bar 6 can make 62 cell wall of block slot resist stop section 151 and upper layer thimble 15 is driven above to mention, to prevent upper layer thimble 15 downward It falls into lower layer's pin hole 131, the detent of lock core 1 is limited to release upper layer thimble 15, lock core 1 keeps the shape that can arbitrarily rotate State, i.e. holding unlocked state, can directly take out lock core 1 from through-hole 31, at this time then in the lock end password on 1 top of lock core Slot 12 is to replace lock end cryptographic block 13 or its sequence.

In order to improve the compactedness of structure and avoid the problem that lock end cryptographic block 13 loosens, described 12 liang of lock end password slot Side channel wall opens up slot 121, and one is planted in slot 121 for choking the rubber sheet gasket 16 of lock end cryptographic block 13.In dismantling lock core 1 When, first rubber sheet gasket 16 is removed, then takes out lock end cryptographic block 13 from lock end password slot 12 again.

The following are the present embodiment to replace lock end password detailed process: first removing lock end end cap 5 from 3 rear end of lock housing, then turns Dynamic dismantling toggle 61, makes dismantling bar 6 that upper layer thimble 15 be driven above to mention, then takes out lock core 1 from the through-hole 31 of lock housing 3, extract Then rubber sheet gasket 16 in slot 121 is removed lock end cryptographic block 13 from lock end password slot 12 and is rearranged, or replacement One or more new lock end cryptographic blocks 13, complete cryptographic transformation.

The lock core 1 of the present embodiment and key 2 are whole preferably cylindrical, the mobile jib 21 of key 2 all around four sides Being respectively formed a key end password slot 211, i.e. key 2 can carry four unlocking ciphers simultaneously, for different lock cores 1, as long as The key end password slot 211 of corresponding side is directed at its lock end password slot 12, is switched very convenient.

For the ease of replacing key end password, key end password slot 211 runs through the rear and front end of mobile jib 21,21 front end of mobile jib It is mounted on the key end cap 23 that a prevention key end cryptographic block 212 is deviate from from key end password slot 211.

The following are the present embodiment to replace lock end password detailed process: key end cap 23 is first removed, it is close then along key end Code slot 211 transfers to key end cryptographic block 212, is rearranged, or the one or more new key end cryptographic blocks of replacement 212, complete cryptographic transformation.

In the present embodiment, 11 front end of lockhole forms four card slots 111 at equal intervals, on key connector 22 described in correspondence Card slot 111 forms fixture block and forms four equidistant fixture blocks 221.

Further, as shown in FIG. 16 and 17, the lock end cryptographic block 13 of the present embodiment is preferably " convex " font, correspondingly, lock Holding the vertical cross-section of password slot 12 to correspond to lock end cryptographic block is also " convex " font, and key end cryptographic block 212 can also design At the "convex" shaped shape, the lock end cryptographic block 13 of the "convex" shaped shape can slide into from 12 end of lock end password slot, while facilitate peace Dress and disassembly, and there is preferable stability.

The above are only specific embodiments of the present invention, not to the restriction of the protection scope of the utility model.It is all according to The equivalent variations that the mentality of designing of this case is done each falls within the protection scope of this case.

Claims (9)

1. changing cipher lockset, characterized by comprising:

One lock core in axial direction forms the lockhole for key insertion among it, which forms at least one Card slot, lockhole top in axial direction form lock end password slot, and multiple alignment rows are in axial direction placed in the lock end password slot The lock end cryptographic block of column, each lock end cryptographic block radially open up lower layer's pin hole, length difference or bottom are equipped in each lower layer's pin hole The lower layer's thimble for holding end shape different, each lower layer's pin hole top, which is respectively equipped with one, can enter the upper layer thimble of lower layer's pin hole；

One key a comprising mobile jib and a key connector, key connector is connected to mobile jib rear end, on key connector described in correspondence Card slot forms fixture block；The mobile jib side in axial direction forms multiple key end password slots, along axis in each key end password slot The key end cryptographic block of multiple alignments is placed to direction, each key end cryptographic block corresponds to lower layer's thimble and forms a tooth Flower, teeth form shape are corresponding with lower layer's thimble end shape；When key is inserted into lockhole, the fixture block of key connector is caught in card slot In, wherein the key end cryptographic block of side and the lock end cryptographic block correspond on mobile jib, enable all lower layer's thimbles lower end It enough falls into corresponding tartar.

2. changing cipher lockset as described in claim 1, it is characterised in that: further include a lock housing, a lock pin ring and a lock Hold end cap；The lock housing opens up the through-hole that front and back penetrates through, and lock core is pivotally inserted into lock housing through-hole from lock housing rear end, locks Shell top corresponds to lower layer's pin hole and radially opens up multiple upper layer pin holes, and the upper layer thimble is movably arranged on upper layer pin hole In, upper layer pin hole upper end fills in one for blocking the plug of upper layer thimble；The lock housing, which is also opened up, to be laterally inserted into for lock pin ring Notch, its rear end connects with lock pin ring set after lock core is inserted into lock housing through-hole, and a lock for being used for/unlocking is extended to form on the outside of lock pin ring Pin；The lock end end cap lid is closed in lock housing rear end.

3. changing cipher lockset as claimed in claim 2, it is characterised in that: further include a dismantling bar；The upper layer thimble Upper end extends to form stop section to side, and lock housing top in axial direction opens up a dismantling hole, the dismantling hole and all upper layer needles Hole communicates, and the dismantling bar is pivotally inserted into dismantling hole from lock housing rear end, and dismantling rod rear end forms dismantling toggle, It disassembles bar side face and corresponds to stop section formation block slot, rotation dismantling bar can make block groove groove wall resist stop section and drive Upper layer thimble above mentions, to prevent upper layer thimble from dropping downward into lower layer's pin hole.

4. changing cipher lockset as claimed in claim 2, it is characterised in that: the lock pin ring inner wall in axial direction opens up Multiple sliding slots, the lock core periphery correspond to sliding slot and form multiple sliding rails, lock core rear end by the cooperation of sliding rail and sliding slot with it is described Lock pin ring set connects.

5. changing cipher lockset as described in claim 1, it is characterised in that: lock end password slot two sides cell wall opens up slotting Slot plants one in slot for choking the rubber sheet gasket of lock end cryptographic block.

6. changing cipher lockset as described in claim 1, it is characterised in that: the mobile jib all around distinguish by four sides A key end password slot is formed, key end password slot runs through the rear and front end of mobile jib, and mobile jib front end is mounted on a prevention key end The key end cap that cryptographic block is deviate from from key end password slot.

7. changing cipher lockset as described in claim 1, it is characterised in that: the lockhole front end forms four at equal intervals Card slot, the card slot is corresponded on key connector forms fixture block and form four equidistant fixture blocks.

8. changing cipher lockset as described in claim 1, it is characterised in that: the lock end cryptographic block is in " convex " font, institute It is also " convex " font that the vertical cross-section for stating password slot, which corresponds to lock end cryptographic block,.

9. changing cipher lockset as described in claim 1, it is characterised in that: the lock core is cylinder.