Summary of the invention
It is strong that problem to be solved by this invention is to provide a kind of antitheft performance, the mechanical lock that volume is little.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: this mechanical lock comprises the internal cylinder that is provided with keyhole, and described internal cylinder is contained in the slideway in outer lock core; Described internal cylinder is provided with multiple lock pins that are contained in each self-lock pin slideway on keyhole side, each lock pin is equipped with the finger portion stretching in described keyhole, and described outer lock core is provided with multiple lock pin sockets that dock respectively with the external port of many lock pin slideways of this internal cylinder in the time that described internal cylinder moves to latched position in described slideway.When described lock pin stretches out under the state that internal cylinder inserts described outer lock core, lock described internal cylinder and the outer lock core axial location at outer lock core slideway, prevent that described internal cylinder mobile part of unblanking that drives in the slideway of described outer lock core from unblanking; Otherwise, under released state, lock pin in described internal cylinder is all retracted in the lock pin slideway of internal cylinder, can allow described internal cylinder move in the slideway of described outer lock core, slides or stirs the part of unblanking and rotate to realize along axis of rotation and unblank with the part axial that promotes to unblank.
In the technical scheme of above-mentioned mechanical lock, scheme can also be more specifically: have a described lock pin at least when its one end moves to when concordant with its external port of lock pin slideway, its other end is just in time concordant with another external port of this lock pin slideway, be lock pin at its lock pin slideway of retracting during in release desired location, it is concordant that two of lock pin corrects the external port engaging with lock pin socket lock pin slideway and outer lock core of internal cylinder, make no matter lock pin is to depart from release desired location to which end of lock pin slideway, all form sealed to internal cylinder and outer lock core.Described lock pin slideway can become 1~4 row by spread configuration, the setting that the general employing of each lock pin slideway in same row's lock pin slideway is parallel to each other, so that manufacture processing, if do not consider to manufacture difficulty or the complexity of processing, can make each lock pin slideway in same row mutually be obliquely installed yet.The part of unblanking of this mechanical lock can be the part of unblanking of sliding, and drives lockset to unblank by the slide part of unblanking of promotion, and this slip part of unblanking can be contained in the set slideway in the inner of described internal cylinder; The part of unblanking of this mechanical lock can be also to rotate the part of unblanking, by driving this rotation part of unblanking to drive lockset to unblank, this rotation part of unblanking can be contained in the middle of axis hole set outside the inner of described internal cylinder, in the time adopting this rotation to unblank part, can be provided with the finger of unblanking described internal cylinder and the described rotation side that part is arranged in the middle of the two in the middle of the two that unblanks, the opposing party is provided with finger socket; Also can be equipped with mutually chimeric tooth and alveolus structure at the unblank abutting end of part of the inner of described internal cylinder and described rotation.
In addition, described outer lock core in above-mentioned mechanical lock can also be contained in the circular hole of lock core body, under this form of structure, in the slideway that described internal cylinder and described outer lock core are bonded with each other, arrange and limit the two gathering sill and embed muscle or the key in this gathering sill in relative rotation.
Owing to adopting technique scheme, the present invention compared with prior art, has following beneficial effect:
1. can abandon spring completely, make not yet go out since the dawn of human civilization without spring mechanical lock.The mechanical lock of this structure allows illegal theft cannot obtain the feel of provoking lock pin, therefore can stop to adopt the technology unlocking of unlocking tool to this lock completely.
2. when the lock pin socket of outer lock core is that annular groove is while arranging, inside and outside lock core can relatively rotate like a cork under the state of not release, therefore can further prevent that theft from adopting brill to lock, turning round the picking lock of internal cylinder by force and the technology unlocking to this lock with unlocking tool.
3. owing to having abandoned spring and the inside and outside billiards structure of existing cylinder lock, do not need again to arrange sealed trip(ping) lever or the sealed side column as arranged in existing racing lock between interior outer lock core, therefore, lock core diameter of the present invention can make very little size, can directly be loaded in European lockset, break through the technology barrier that existing idle running mechanical lock can not be used for European lockset.
4, in the inner of internal cylinder and unblank to arrange between part the structure of finger and pin-and-hole or be provided with mutually chimeric tooth and the structure of alveolus, can prevent that theft from adopting violence impact internal cylinder to realize the effect that rotation is unblanked with unblanking part to be connected, antitheft performance more by force, firmer.
5. because lock pin is provided with the lock section of dialling of stretching in keyhole in lock pin groove, lock pin can not rotate with respect to lock pin groove, the stretching out termination and can make the end face matching with internal cylinder and outer lock core mating face of lock pin, and be not the button-head structure of the marble head of cylinder lock, lock pin is improved greatly to the sealed precision between internal cylinder and outer lock core, as long as being greater than the joint clearance of internal cylinder and outer lock core, the length that lock pin stretches out internal cylinder just can realize sealed to internal cylinder and outer lock core, this structure has improved the sealed precision of lock core on the one hand greatly, prevent technology unlocking, can allow on the other hand key actuated lock pin obtain more key rank, such as, key actuated lock pin is differential taking 0.2 millimeter as one, so the each lock pin of key actuated in 1.5 millimeters mobile just can obtain 7 differential, if lock pin is set to be stretched out to two ends and realizes sealed internal cylinder and outer lock core in internal cylinder, so each lock pin just can obtain 14 differential, therefore size of key is huge, lock core of the present invention can arrange in multiple sides of keyhole the multiple lock pins of the every row of many rows, therefore can obtain very huge size of key.
Detailed description of the invention
Below in conjunction with accompanying drawing example, the invention will be further described:
the mechanical lock of embodiment 1 is as shown in Figures 1 to 5:
The lock core of example shown in Fig. 1, Fig. 2 has an outer lock core 3, the lateral surface of outer lock core 3 is the face of cylinder, there is one section of protruding shaft shoulder structure its outer end, its the inner is fixedly connected with a lock core inner cap 5 by screw 9, the part 4 of unblanking that drives the lockset column of unblanking is equipped with at the center of lock core inner cap 5 by the slideway of a manhole structure, unblank part 4 for the part of unblanking that slides, the part 4 of unblanking can slide axially in the slideway of inner cap 5, and by its in Fig. 1 to the left a side slide to drive lockset (assignment fills the lockset of this mechanical lock) to unblank.The inside of outer lock core 3 is provided with one by circular hole and is provided with the slideway of raised ribs at circular hole wall, an internal cylinder 1 is housed in this slideway, the outside of internal cylinder 1 is also provided with the groove that plays keyway effect being enclosed within outside outer lock core 3 slideway muscle, make internal cylinder 1 can only be in the circular slideway of outer lock core 3 axial motion, and can not rotate with respect to outer lock core 3.
In internal cylinder 1, be provided with the keyhole that cross section is rectangle, the lateral surface of internal cylinder 1 has the face of cylinder engaging with outer lock core slideway, internal cylinder 1 is respectively provided with in two relative sides of keyhole 7 lock pin slideways that a row be arranged in parallel, these lock pin slideway shapes and structure are all identical, it is all the groove in the lateral surface moulding of internal cylinder 1, in every lock pin slideway, be all equipped with one as Fig. 1, lock pin 2 shown in Fig. 2, lock pin 2 is made up of stainless steel, in the form of sheets, lock pin slideway notch one side that is positioned at of lock pin 2 is provided with a breach, the notch place of each row's lock pin slideway is embedded with a lock pin strip of paper used for sealing 10, lock pin strip of paper used for sealing 10 just in time snaps in the breach of 7 lock pins 2, this is limited in lock pin slideway to make each lock pin 2, the groove bottom of each lock pin slideway all has a slotted hole, the finger portion of lock pin 2 from these slotted holes by stretching in the keyhole of internal cylinder 1, as depicted in figs. 1 and 2.
In the chute wall of outer lock core 3, be also provided with 7 roads and be the lock pin socket that groove structure inserts for each lock pin 2, in the time that internal cylinder 1 moves to latched position in the slideway of outer lock core 3, these lock pin sockets dock with the external port of many lock pin slideways of internal cylinder 1 respectively.In the present embodiment, two external port of the lock pin slideway in internal cylinder 1 refer to that the lock pin slideway of flute profile stretches out two notches of lock core 1 for lock pin 2.
In the time that internal cylinder 1 moves to latched position in the slideway of outer lock core 3, each lock pin 2 just can slide and come in and go out in lock pin slideway lock pin socket of outer lock core 3, at this moment inserting the key 11 of internal cylinder 1 keyhole could transfer to or insert in keyhole, in the time that institute's bitting insertion internal cylinder 1 keyhole puts in place, all lock pin 2 is all driven into the unlocked position of setting by the lock pin driver slot on key 11, be these lock pins 2 when its one end moves to when concordant with its external port of lock pin slideway, its other end is just in time concordant with another external port of this lock pin slideway, this state is the released state of internal cylinder 1 of the present invention and outer lock core 3, as shown in Figures 3 to 5, in the following embodiment of the present invention, alleged released state all refers to this location status of lock pin 2 and internal cylinder 1.Internal cylinder 1 with outer lock core 3 under released state, internal cylinder 1 vibration in the circular slideway of outer lock core 3 under external force.In the time that operator is promoted internal cylinder 1 and moved to the inside of outer lock core 3 by key, the part 4 that can promote to unblank drives lockset to unblank.When internal cylinder 1 departs from latched position inwardly promoting to unblank part 4, the position that while transfering to keyhole due to key 11, demand motive part lock pin 2 departs from released state, therefore, lock pin 2 can stop key 11 to be transferred in keyhole.Only have and transfer to the action of key to drive internal cylinder 1 to return to locked state, be that the external port of whole lock pin slideways is while docking with the lock pin socket of outer lock core 3 respectively, each lock pin 2 could be by key actuated vibration in the lock pin slideway of internal cylinder 1, thereby key 11 can be exited to the keyhole of internal cylinder 1.
In the time that key 11 exits the keyhole of internal cylinder 1, can drive lock pin 2 vibration and depart from the position that released state sets in lock pin slideway, as long as have a lock pin 2 in lock pin slideway not in the time of the position of released state of setting, one end in lock pin 2 two ends all can be inserted in the lock pin socket of outer lock core 3, thereby stop internal cylinder 1 vibration in the circular slideway of outer lock core 3, this state is the locked state of internal cylinder 1 and outer lock core 3, state as depicted in figs. 1 and 2, the alleged locked state of the present invention all refer between internal cylinder 1 and outer lock core 3 in this internal cylinder 1 can not be in the slideway of outer lock core 3 state of relative vibration.Under this locked state, internal cylinder 1 part 4 that can not inwardly promote to unblank moves to drive lockset to unblank to the left in Fig. 1.
Under locked state, 14 lock pins 2 are the state of being free to slide in lock pin slideway separately, illegal key, or while attempting to unblank with the keyhole of unlocking tool insertion internal cylinder 1, due in lock core without any spring element, theft can not rely on the stress of lock pin 2 to judge that whether the two ends of lock pin 2 are concordant with the two-port of lock pin slideway, can not make 14 lock pins all just in time retract in the lock pin slideway of internal cylinder 1, therefore, can not make internal cylinder 1 and outer lock core 3 in released state.
Due to lock pin 2 for insert outer lock core 3 two termination shapes of lock pin opening can make the cylindrical shape engaging with internal cylinder 1 and outer lock core 3, and need to as existing cylinder lock, not manufacture in termination portion rounding or chamfering, therefore, as long as stretching out outer 0.05 millimeter of internal cylinder 1, lock pin 2 just can make internal cylinder 1 and outer lock core 3 realize reliable locked state.If each lock pin 2 can arrange to two termination directions length of stretching out be 1.5 millimeters, taking every 0.2 millimeter as differential, just can obtain 14 differential, 14 lock pins, each lock pin has 14 differential the machine tool lock cores that just can make and has very huge size of key.
the mechanical lock of embodiment 2 is as shown in Figure 6 to 7:
One of difference of mechanical lock shown in Fig. 6, Fig. 7 and embodiment 1 is that the slideway in outer lock core 3 is circular hole, its slideway does not have the muscle portion of embodiment 1, the internal cylinder 1 being contained in outer lock core 3 slideways does not have as the slide groove in embodiment 1 yet, be internal cylinder 1 not only can be under unlocking condition can be in the slideway of outer lock core 3 vibration, also can under locked state, in the slideway of outer lock core 3, freely rotate.Two of the difference of the present embodiment 2 and embodiment 1 is to unblank part 4 for rotating the part of unblanking, and is to drive lockset to unblank by its rotation.Unblank part 4 near one end of internal cylinder 1 be provided with one depart from its revolution axial line arrange finger socket, internal cylinder 1 is provided with the finger of unblanking near one end of the part 4 of unblanking, it is that the finger of unblanking by internal cylinder 1 inserts in the finger socket of part 4 of unblanking that the present embodiment is unblanked, and drives lockset to unblank by the unblank rotation of part 4 of the driving of internal cylinder 1.
The shape and structure of lock pin 2, screw 9 and inner cap 5 in the present embodiment 2 is identical with embodiment 1.The central through hole of inner cap 5 is as the axis hole of the part 4 of unblanking, and the gage 8 of unblanking is equipped with by pin 6 in the inner of the part 4 of unblanking, is fixed in the through hole of inner cap 5 by being contained in the jump ring 7 of unblanking in gage 8 draw-in grooves make to unblank part 4 and the gage 8 of unblanking.
The lock pin slideway of internal cylinder 1 and the quantity of lock pin 2 in the present embodiment 2, arrangement and position arrange identical with embodiment 1, and each notch of arranging lock pin slideway is embedded with a lock pin strip of paper used for sealing 10 too.
The set unlocked position of its each lock pin 2 of the mechanical lock of the present embodiment, key used, and the locked state of lock core 1 and outer lock core 3 is all identical with the embodiment 1 shown in Fig. 1 to Fig. 5 with released state.Under released state, when turning to its finger of unblanking, internal cylinder 1 aims at while unblanking the finger socket of part 4, internal cylinder 1 can be under the effect of external force in the slideway of outer lock core 3 allow the finger of unblanking of internal cylinder 1 insert in the finger socket of the part 4 of unblanking with respect to the inside vibration of outer lock core 3, thus then by the rotation of internal cylinder 1 stir the part 4 of unblanking, the gage 8 of unblanking rotates and drives lockset to unblank; The present embodiment is under locked state, internal cylinder 1 can not be with respect to outer lock core 3 vibrations in the slideway of outer lock core 3, in the time that illegal key or other instrument insert keyhole and attempt to unblank, although internal cylinder 1 can turn to its opening finger portion and aim at respect to outer lock core 3 the finger socket of the part 4 of unblanking, the finger socket that internal cylinder 1 can not be inserted the part 4 of unblanking drives the part 4 of unblanking to rotate and unblanks.
Due to the mechanical lock of the present embodiment, in internal cylinder 1, the two all can relatively rotate during in locked state with outer lock core 3, therefore, can prevent that theft from passing through to bore, this lock core of sled instrument pirate of the open.
the mechanical lock of embodiment 3 is the mechanical lock of European lock, as shown in Fig. 8~Figure 13:
It shown in Fig. 8, is the agent structure schematic diagram of the present embodiment, this mechanical lock has one except not having the part of marble hole and marble hole envelope thing, the lock core body 12 that other parts are identical with existing European lock cylinder part, the part 4 of unblanking is equipped with by jump ring 13 in middle part at lock core body 12, is set with and unblanks finger 14 as shown in figure 13 unblanking outside part 4.The part 4 of unblanking, jump ring 13, lock core body 12 and unblank their external shape of finger 14 and the syndeton between them and existing European lock cylinder identical.In the circular hole of lock core body 12, outside the two ends of part 4 of unblanking, be equipped with symmetrically respectively a set of by shown in internal cylinder 1, lock pin 2, outer lock core 3 and lock pin strip of paper used for sealing 10(Figure 10) part that forms, the right-hand member of lock core body 12 shrouding 15 that has been welded in Fig. 8.
Fig. 8 is in conjunction with shown in Figure 10, internal cylinder 1 in the present embodiment is established cross section in being be rectangular keyhole, lateral surface is the part on the face of cylinder, and the outer end of internal cylinder 1 is keyhole entrance, and the inner of internal cylinder 1 is provided with the tooth alveolar part corresponding with the tooth alveolar part of the opposite end of the part 4 of unblanking.The quantity of the lock pin slideway of internal cylinder 1 and position arrange, and lock pin 2 arranges with the appropriate section of embodiment 1 identical with the mounting means of internal cylinder 1 with position.Internal cylinder 1 is respectively provided with 7 lock pin slideways that a row be arranged in parallel in the both sides of its keyhole, these lock pin slideway shape and structures are all identical, it is all the groove in the lateral surface moulding of internal cylinder 1, a lock pin 2 as shown in Figure 10 is all housed in every lock pin slideway, lock pin 2 is made up of stainless steel, in the form of sheets, lock pin 2 is positioned at lock pin slideway notch one side and is provided with a breach, the notch place of each row's lock pin slideway is embedded with a lock pin strip of paper used for sealing 10, lock pin strip of paper used for sealing 10 just in time snaps in the breach of 7 lock pins 2, each lock pin 2 is limited in lock pin slideway, the groove bottom of each lock pin slideway all has a slotted hole, the finger portion of lock pin 2 from these slotted holes by stretching in the keyhole of internal cylinder 1.
Internal cylinder 1 is contained in the slideway of outer lock core 3 of a tubular, and the slideway of outer lock core 3 is provided with convex tendon, and the outside of internal cylinder 1 is provided with the muscle groove being sleeved on outside outer lock core 3 slideway convex tendons, and internal cylinder 1 can not be rotated relative to outer lock core 3 in the slideway of outer lock core 3.Outer lock core 3 is contained in the circular hole of lock core body 12 and can rotates relative to lock core body 12.
Fig. 9 is the key 11 of the present embodiment 3 mechanical locks.Outer lock core 3 is provided with the lock pin socket for the flute profile of the external port docking of the each lock pin slideway of internal cylinder 1, and internal cylinder 1 is identical with the corresponding state of locked state, released state and the embodiment 1 of outer lock core 3.In the time that key 11 departs from internal cylinder 1, internal cylinder 1 and outer lock core 3 are in locked state, as shown in Fig. 8 and Figure 10, now internal cylinder 1 and outer lock core 3 can dally in the circular hole of lock core body 12, outer lock core 3 is limited in the circular hole of lock core body 12 can not axial motion, internal cylinder 1 can not be with respect to outer lock core 3 axial motions under this locked state, in this state, the inner tooth alveolar part of internal cylinder 1 can not be mutually chimeric with the tooth alveolar part of the part 4 of unblanking, this idle running of internal cylinder 1 can not drive the part 4 of unblanking to rotate and unblank with the finger 14 of unblanking, internal cylinder 1 and the idle running of outer lock core 3 under locked state also can prevent this mechanical lock of mode pirate of the open that bores and prize for theft, identical with the release principle of embodiment 1, when the keyhole that inserts internal cylinder 1 when key 11 puts in place, each lock pin 2 is just driven and gets back to the position that release is set by the driver slot of key 11, in the internal cylinder of retracting 1, enter released state, under released state, internal cylinder 1 is rotated simultaneously and is inwardly promoted, in the time that the tooth alveolar part of internal cylinder 1 the inner forwards the alveolus of the positive dual lock part 4 tooth alveolar parts of its tooth to, as shown in figure 11, the tooth alveolar part of internal cylinder 1 the inner just can be mutually chimeric with the tooth alveolar part of the part 4 of unblanking, be rotated further internal cylinder 1 by key, can drive the part 4 of unblanking to rotate and unblank with the finger 14 of unblanking.
This mechanical lock not only has huge size of key as previously mentioned, can prevent theft master key and unlocking tool technology unlocking, and due to the inner of internal cylinder 1 and unblank to be provided with for mutually chimeric tooth alveolar part between part 4, even if theft applies violence in locked state to internal cylinder 1, also can be due to the position that is difficult to find internal cylinder 1 just in time to be aimed at the tooth alveolar part of the part 4 of unblanking and can not make their tooth alveolar part mutually chimeric, as shown in figure 12.Therefore, no matter this mechanical lock is that violence rotation or violence promotion internal cylinder 1 all cannot be implemented the pirate of the open to this mechanical lock under locked state.
the mechanical lock of embodiment 4 is the mechanical lock of American lock, as shown in Figure 14 to Figure 18:
It shown in Figure 14, is the agent structure schematic diagram of this mechanical lock, this mechanical lock has one except not having the part of marble hole and marble hole envelope thing, the lock core body 12 that other parts are identical with existing American lock cylinder, there is one in the inside of lock core body 12 for the circular hole of outer lock core 3 is installed, be provided with one section of through hole that is slightly less than this Circularhole diameter in the inner of this circular hole, the part 4 of unblanking is housed in this section of through hole, unblank part 4 for rotating the part of unblanking, a finger 8 of unblanking is as shown in figure 15 equipped with by screw 9 in the unblank rear end of part 4, the shrouding 15 being welded in the port of lock core body 12 circular holes is enclosed in outer lock core 3 in the circular hole of lock core body 12 vibration vertically, but can freely rotate with respect to lock core body 12.
Internal cylinder 1 is established cross section in being be triangle keyhole, the part that lateral surface is the face of cylinder, and the outer end of internal cylinder 1 is keyhole entrance, the inner of internal cylinder 1 is provided with the tooth alveolar part corresponding with the tooth alveolar part of the opposite end of the part 4 of unblanking.Internal cylinder 1 is provided with three rows at the side of keyhole lock pin slideway, each row has 7 lock pin slideways, same row's lock pin slideway shape and structure is all identical, be arranged on the groove of internal cylinder 1 side, in every lock pin slideway, be all equipped with one as Figure 16, lock pin 2 shown in 17, lock pin 2 is made up of stainless steel, in the form of sheets, lock pin 2 is positioned at lock pin slideway notch one side and is provided with a breach, the notch place of each row's lock pin slideway is embedded with a lock pin strip of paper used for sealing 10, lock pin strip of paper used for sealing 10 just in time snaps in the breach of 7 lock pins 2, each lock pin 2 is limited in lock pin slideway, the groove bottom of each lock pin slideway all has a slotted hole, the finger portion of lock pin 2 from these slotted holes by stretching in the keyhole of internal cylinder 1.
Shown in Figure 14, Figure 16 and Figure 17, internal cylinder 1 is contained in the circle hole shape slideway of outer lock core 3 of a tubular, outer lock core 3 is provided with groove in slideway, and the outside of internal cylinder 1 is provided with the convex tendon that embeds outer lock core 3 slideway grooves, and internal cylinder 1 can not be rotated relative to outer lock core 3 in the slideway of outer lock core 3.Outer lock core 3 is contained in the circular hole of lock core body 12, and no matter internal cylinder 1 is locked state or released state with outer lock core 3, and internal cylinder 1 all can dally by relative lock core body 12 with outer lock core 3 in the circular hole of lock core body 12.
Outer lock core 3 is provided with the lock pin socket for the flute profile of the external port docking of the each lock pin slideway of internal cylinder 1, in the time that key 11 departs from internal cylinder 1, internal cylinder 1 and outer lock core 3 are in locked state, as shown in figure 17, now internal cylinder 1 and outer lock core 3 can dally in the circular hole of lock core body 12, outer lock core 3 is limited in the circular hole of lock core body 12 can not axial motion, internal cylinder 1 can not be with respect to outer lock core 3 axial motions under this locked state, in this state, the inner tooth alveolar part of internal cylinder 1 can not be mutually chimeric with the tooth alveolar part of the part 4 of unblanking, this idle running of internal cylinder 1 can not drive the part 4 of unblanking to rotate and unblank with the finger 14 of unblanking, internal cylinder 1 and the idle running of outer lock core 3 under locked state can prevent this mechanical lock of mode pirate of the open that bores and prize for theft.
The cross section that the key of the present embodiment is used for the part of inserting internal cylinder 1 keyhole is triangle, in this part, three sides of key are respectively provided with lock pin driver slot one, when the keyhole that inserts internal cylinder 1 when key 11 puts in place, each lock pin 2 is just driven and gets back to the position that release is set by the driver slot of key 11, in the internal cylinder of retracting 1, enter released state, as shown in Figure 14 and Figure 16, under released state, internal cylinder 1 is rotated simultaneously and is inwardly promoted, in the time that the tooth alveolar part of internal cylinder 1 the inner forwards the alveolus of the positive dual lock part 4 tooth alveolar parts of its tooth to, the tooth alveolar part of internal cylinder 1 the inner just can be mutually chimeric with the tooth alveolar part of the part 4 of unblanking, be rotated further internal cylinder 1 by key, can drive the part 4 of unblanking to rotate and unblank with the finger 14 of unblanking.
This mechanical lock not only has huge size of key as previously mentioned, can prevent theft master key and unlocking tool technology unlocking, and due to the inner of internal cylinder 1 and unblank to be provided with for mutually chimeric tooth alveolar part between part 4, even if theft applies violence in locked state to internal cylinder 1, also can be due to the position that is difficult to find internal cylinder 1 just in time to be aimed at the tooth alveolar part of the part 4 of unblanking and can not make their the tooth alveolar part can not be mutually chimeric, as shown in figure 18.Therefore, no matter this mechanical lock is that violence rotation or violence promotion internal cylinder 1 all cannot be implemented the pirate of the open to this mechanical lock under locked state.
Above-described embodiment is only as understanding the present invention, and for realizing good embodiment of the present invention, the specific embodiment of the present invention is not limited to above-described embodiment.As in the various embodiments described above, the lock pin arrangement being located at outside internal cylinder is only 2-3 row, and in like manner, in other conventional embodiment, its lock pin arrangement mode can also be that 1 row and 4 rows are set.Generally speaking, the lock pin arrangement that is greater than 4 rows is non-common embodiment, for example, lock pin is arranged in to more rows, or even still feasible around keyhole helical arrangement, and prominent anti-difficulty can be larger, but can therefore strengthen manufacture difficulty.In addition, rotate in outer lock core in order to limit internal cylinder, in outer lock core, for the slideway of internal cylinder is installed, also can to adopt square hole or other cross sections be non-circular slideway, also can also adopt protruding pin coordinate the groove of pin and adopt spline and spline slotted eye etc. various forms.Have, the concrete effect of lock pin is to be subject to key actuated to stretch out internal cylinder to make inside and outside lock core mutually lock common axial location again, and therefore, the concrete shape of internal cylinder and structure also can have varied.Therefore, the arrangement mode of lock pin outside keyhole, and slideway structure or the shape and structure of lock pin that outer lock core coordinates with internal cylinder can be varied, can not be exhaustive, the mechanical lock that the combination of the variation separately of these technical characterictics and variation obtains all belongs to interest field of the present invention.