The combination of a kind of bispin twist lock and unlocking key
Technical field
The present invention relates to the key of a kind of lockset and this lockset applicable, that is: the combination of a kind of bispin twist lock and unlocking key.
Background technology
Side column pellet class lockset popular in the market, also " atom " class lockset is claimed, be all adopt external force to promote or rotate directly or indirectly to realize unblanking containing the lock core of key hole, the key hole of this anti-theft lock core has various shape as " once ", " cross ", " semi arch ", " plum blossom ", " cylinder " etc.Theftproof lock entire body is iron and steel manufacture, and theftproof lock theftproof performance is fine outwardly, and market is also very universal.But in actual life, this lock theft case practical occurs often, lock core is destroyed lock core with go into operation by force tool or Miniature electric drill by lawless person, and a few second is energy technical opening just.Because this theftproof lock has a kind of very large technical design defect to be exactly that lock core and key hole expose, key hole exposes outside, and the mode of unblanking rotates key unlocking after key hole key bit being inserted lock core.So provide very large space of unblanking to professional technique or the violence person of unblanking, cause its theftproof performance poor.
In order to solve the problem, the applicant in Chinese invention patent application publication No. CN103883168A, discloses a kind of concealed rotary locking cylinder on June 25th, 2014, comprises lock core and rotary locking driving bolt; Lock core is that the square of round tube hole or cylindrical block are opened in middle part; The interior parallel of lock core arranges the different bar shaped duct of two width; Wherein, wide bar shaped duct and the formation insert port that communicates before square or cylindrical block; Fillet shape duct and front end face that is square or cylindrical block obstructed; Described wide bar shaped duct between fillet shape duct together with being formed in lock core partition wall; Fillet shape has marble hole section in duct, has side column pellet in each marble hole; The invention still further relates to a kind of in falling " U " although the unlocking key of shape batten coordinates this technical scheme to can't see lock core parts Anywhere from the shell of tapered end or lock body with above-mentioned concealed rotary locking cylinder, prevent robber's technology unlocking, but use the tool that goes into operation by force still to exist by turning handle, drive the danger that locking driving bolt is unblanked.
Summary of the invention
The object of the present invention is to provide the combination of a kind of bispin twist lock and unlocking key, can prevent from using and to go into operation by force tool, rotation is unblanked, have theftproof performance good, be applicable to different rotary locking and drive bolt.
In order to solve the problems of the technologies described above, the combination of a kind of bispin twist lock of the present invention and unlocking key, bispin twist lock comprises lock body and rotates control driving bolt; It is characterized in that: lock body is that the metal blocks of round tube hole is opened at middle part, in round tube hole, be placed with change and rotor with one heart, locking lock core to be in metal blocks and near round tube hole; Make between change and rotor, all can for the relative rotationly move between change and locking lock core; Have at the surface of revolution of rotor the radial blind holes that row arrange by rotor axial, in radial blind holes, be filled with Compress Spring and the first column pellet; The surfaces of revolution has that row are identical with rotor radial blind hole aperture inside and outside change, change through hole corresponding to quantity and position, be placed with the second column pellet that height is equal with change thickness in this change through hole; Lock body part position between locking lock core and round tube hole, also has that row are identical with change through-hole aperture, lock body through hole corresponding to quantity and position, and to be placed with one end in this lock body through hole be cylinder another end is the side column pellet of sphere; The sphere end portion of side column pellet stretches in locking lock core from lock body through hole, is controlled the overhang of side column pellet by locking lock core.
The described change rotation connect outside lock body controls to drive bolt, and described rotor connects the unlocking handle outside lock body.
Described locking lock core arranges a pellet stop bit device, and arrange width and highly variant two ducts at the interior parallel of lock body; Wherein, wide flat duct forms unlocking key insert port with communicating before metal blocks; Narrow square duct and the obstructed formation sidewalk for visually impaired people of metal blocks front end face; In lock core, partition wall is together formed between described wide flat duct and narrow square duct; Described pellet stop bit device is located in narrow square duct, is made up of stop slide plate and back-moving spring; Stop slide plate along narrow square duct length to arrangement multi-disc, the quantity and spacing position of arrangement is corresponding with the quantity and spacing position of described side column pellet; The sphere end wiping of each side column pellet is pressed on " V " shape groove or platform that corresponding stop slide plate is takeed on; The center of stop slide plate is the lockhole of the lower spur of band, and unlocking key inserts in this lockhole, and the relative position of stop slide plate is determined in the key restriction that is unlocked of the lower spur of stop slide plate lockhole; The lower edge of stop slide plate has back-moving spring to compress.
The length that in the length of above-mentioned partition wall and narrow square duct, stop slide plate arranges is suitable, and has guide groove at locking lock core rear portion between wide flat duct and narrow square duct.
Above-mentioned lock body there is the fixed installation part be connected with lock body shell.
The unlocking key opening above-mentioned bispin twist lock be one in falling the batten of " U " shape, the width of batten and thickness are equal to or less than width and the height in the wide flat duct on above-mentioned locking lock core; Two parallel straight edges of batten are different in size to be caused; Wherein a short straight flange is key shank part, the dark size correspondent equal of the narrow square duct on the length of key shank part and locking lock core, and the width of key shank part is less than the lockhole width at stop slide plate center; Wherein a long straight flange is the shank of the key part, and the effective length of the shank of the key part handle bar is greater than the length of partition wall; Form microscler gap between two parallel straight edges of above-mentioned batten, the width in microscler gap equals the width of locking lock core internal partition wall.
The present invention uses the present invention, when not insertion open key, the first column pellet in rotor blind hole, the second column pellet in change through hole are all in concordant state with the surfaces of revolution of rotor change, and the surfaces of revolution of the second column pellet in change through hole, the side column pellet in lock body through hole and change lock body is in interlaced lockup state.That is: rotor can rotate relative to change, the relative lock body locking of change; Now, if attempt to drive change to unblank by the rotary rotor of unlocking handle, then unlocking handle is idle running, and thus change is in lockup state, can effectively prevent from using the tool that goes into operation by force, and rotation is unblanked.When there being the unlocking key of coupling to insert the narrow square duct on locking lock core, between the second all column pellets and side column pellet simultaneously relative rotor be in concordant state between lock body, concordant state can not be between rotor with change between the first all column pellets and the second column pellet simultaneously, now, by rotor locking in change, can rotate relative to lock body outside change, the rotary rotor realizing unlocking handle drives change to unblank.When the narrow square duct having unmatched unlocking key to insert on locking lock core, between the second all column pellets and side column pellet can not simultaneously at rotor with change, be in concordant state between change with lock body three, therefore, respectively by rotor and lock body locking inside and outside change, the rotary rotor that cannot realize unlocking handle drives change to unblank.
Compared with the prior art: one of advantage of the present invention is to be placed with change and rotor with one heart in lock body, the change rotation connect outside lock body controls to drive bolt; Rotor connects the unlocking handle outside lock body; Realization is when not insertion open key, and rotor can rotate relative to change, the relative lock body locking of change; When there being the unlocking key of coupling to insert the narrow square duct on locking lock core, can rotate outside change relative to lock body, the rotary rotor realizing unlocking handle drives change to unblank.When the narrow square duct having unmatched unlocking key to insert on locking lock core, respectively by rotor and lock body locking inside and outside change, the rotary rotor that cannot realize unlocking handle drives change to unblank.Two of advantage of the present invention has guide groove at lock core rear portion between the wide bar shaped duct and fillet shape duct of locking lock core, plays unlocking key guide effect, and is conducive to the length shortening unlocking key.In the shell that three of advantage of the present invention is locking lock core to be hidden in tapered end or lock body or mounted door dignity plate, unlocking key turnover key channel is contrary with key hole direction, and not on the same line; Can't see locking lock core parts Anywhere from the shell of tapered end or lock body, thus prevent robber by electric drill, by force go into operation the means such as tool, technical opening open this lock object.Four of advantage of the present invention is: the key shank part plug power thrusts of unlocking key is consistent with the shank of the key power thrusts, and feel of unblanking is strong.Such structure, both ensure that the hidden of lock core parts dexterously, did not change again traditional custom of unblanking.
Structure of the present invention is ingenious, applying flexible.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cutaway top view of Fig. 1.
Fig. 3 is the structural representation of unlocking key of the present invention.
Fig. 4 is the schematic diagram of the present invention's insertion lock core process of unlocking key in the latched condition.
Fig. 5 be the present invention in the latched condition unlocking key yaw move about after schematic diagram.
Fig. 6 is that the present invention enters the schematic diagram in fillet shape duct from key hole in the latched condition.
Mark in accompanying drawing is: 1 lock body; 2 rotate control drives bolt; 3 changes; 4 rotors; 5 locking lock cores; 6 Compress Springs; 7 first column pellets; 8 second column pellets; 9 side column pellets; 10 unlocking handle; 11 wide flat ducts; 12 narrow square ducts; 13 partition walls; 14 stop slide plates; 15 back-moving springs; 16 guide grooves; 17 key shank parts; 18 the shank of the key parts; 19 microscler gaps.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1, Fig. 2 represent a kind of bispin twist lock, and bispin twist lock comprises lock body 1 and rotates control driving bolt 2; Lock body 1, for opening the metal blocks of round tube hole in middle part, is placed with change 3 and rotor 4 with one heart in round tube hole, and locking lock core 5 to be in metal blocks and near round tube hole; Make all can for the relative rotationly to move between change 3 and rotor 4, between change 3 and locking lock core 5; Have at the surface of revolution of rotor 4 radial blind holes that row arrange by rotor axial, in radial blind holes, be filled with Compress Spring 6 and the first column pellet 7; The surfaces of revolution has that row are identical with rotor 4 radial blind holes aperture inside and outside change 3, change through hole corresponding to quantity and position, be placed with the second column pellet 8 that height is equal with change 3 thickness in this change through hole; Lock body part position between locking lock core 5 and round tube hole, also has that row are identical with change through-hole aperture, lock body through hole corresponding to quantity and position, and to be placed with one end in this lock body through hole be cylinder another end is the side column pellet 9 of sphere; The sphere end portion of side column pellet 9 stretches in locking lock core 5 from lock body through hole, is controlled the overhang of side column pellet 9 by locking lock core 5.
Above-mentioned lock body 1 there is the fixed installation part be connected with lock body shell.
Above-mentioned change 3 rotation connect outside lock body 1 controls to drive bolt 2, and described rotor 4 connects the unlocking handle 10 outside lock body 1.
Above-mentioned locking lock core 5 arranges a pellet stop bit device, and arrange width and highly variant two ducts at the interior parallel of lock body 1; Wherein, wide flat duct 11 forms unlocking key insert port with communicating before metal blocks; Narrow square duct 12 and the obstructed formation sidewalk for visually impaired people of metal blocks front end face; In lock core, partition wall 13 is together formed between described wide flat duct 11 and narrow square duct 12; Described pellet stop bit device is located in narrow square duct 12, is made up of stop slide plate 14 and back-moving spring 15; Stop slide plate 14 along narrow square duct 12 length to arrangement multi-disc, the quantity and spacing position of arrangement is corresponding with the quantity and spacing position of described side column pellet 9; On " V " shape groove that the sphere end wiping of each side column pellet 9 is pressed on shoulder on corresponding stop slide plate 14 or platform; The center of stop slide plate 14 is lockholes of the lower spur of band, and unlocking key inserts in this lockhole, and the relative position of stop slide plate 14 is determined in the key restriction that is unlocked of the lower spur of stop slide plate 14 lockhole; The lower edge of stop slide plate 14 has back-moving spring 15 to compress.The length that in the length of above-mentioned partition wall 13 and narrow square duct 12, stop slide plate 14 arranges is suitable, and has guide groove 16 at locking lock core 5 rear portion between wide flat duct 11 and narrow square duct 12.
The unlocking key of concealed rotary locking cylinder be one in falling the batten of " U " shape, the width of batten and thickness are equal to or less than width and the height in the wide flat duct 11 on above-mentioned locking lock core 5; Two parallel straight edges of batten are different in size to be caused; Wherein a short straight flange is key shank part 17, the dark size correspondent equal of the narrow square duct 12 on the length of key shank part 17 and locking lock core 5, and the width of key shank part 17 is less than the lockhole width at stop slide plate 14 center; Wherein a long straight flange is the shank of the key part 18, and the effective length of the shank of the key part 18 handle bar is greater than the length of partition wall 13; Form microscler gap 19 between two parallel straight edges of above-mentioned batten, the width in microscler gap 19 equals the width of locking lock core 5 internal partition wall 13.
When Fig. 4-6 represents that use the present invention unblanks, unlocking key is inserted into the end deeply along the wide flat duct 11 of lock body, again unlocking key yaw is moved to guide groove 16 in lock body and then partition wall 13 limit pulls back, make the key shank part of unlocking key under the guiding of guide groove 16 and partition wall 13, enter in narrow square duct 12 from key hole, key shank part is made to compress side column pellet contraposition release change 3, meanwhile, by rotor 4 locking in change 3.Now, rotate unlocking handle 10, drive unlocking mechanism to realize unblanking.
The present invention uses the present invention, when not insertion open key, the first column pellet 7 in rotor 4 blind hole, the second column pellet 8 in change through hole are all in concordant state with the surfaces of revolution of rotor 4 change 3, and the second column pellet 8 in change through hole, side column pellet in lock body through hole 9 are in interlaced lockup state with the surfaces of revolution of change 3 lock body 1.That is: rotor 4 can rotate relative to change 3, and change 3 is lock body 1 locking relatively; Now, if attempt to drive change 3 to unblank by the rotary rotor 4 of unlocking handle 10, then unlocking handle 10 is idle running, and thus change 3 is in lockup state, can effectively prevent from using the tool that goes into operation by force, and rotation is unblanked.When there being the unlocking key of coupling to insert the narrow square duct 12 on locking lock core 5, between the second all column pellets 8 and side column pellet 9 simultaneously relative rotor 4 be in concordant state between lock body 1, concordant state can not be between rotor 4 with change 3 between the first all column pellets 7 and the second column pellet 8 simultaneously, now, by rotor 4 locking in change 3, can rotate relative to lock body 1 outside change 3, the rotary rotor 4 realizing unlocking handle 10 drives change 3 to unblank.When the narrow square duct 12 having unmatched unlocking key to insert on locking lock core 5, between the second all column pellets 8 and side column pellet 9 can not simultaneously at rotor 4 with change 3, be in concordant state between change 3 with lock body 1 three, therefore, respectively by rotor 4 and lock body 1 locking inside and outside change 3, the rotary rotor 4 that cannot realize unlocking handle 10 drives change 3 to unblank.