CN101476415B - Anti-technical unlocking lock core and its assorted two-segment key - Google Patents

Anti-technical unlocking lock core and its assorted two-segment key Download PDF

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Publication number
CN101476415B
CN101476415B CN 200810162946 CN200810162946A CN101476415B CN 101476415 B CN101476415 B CN 101476415B CN 200810162946 CN200810162946 CN 200810162946 CN 200810162946 A CN200810162946 A CN 200810162946A CN 101476415 B CN101476415 B CN 101476415B
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China
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inner core
lock core
core
internal cylinder
jacking block
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Expired - Fee Related
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CN 200810162946
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Chinese (zh)
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CN101476415A (en
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唐绍瑞
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Individual
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Abstract

The invention discloses a lock core for preventing technical unlocking, which comprises an inner lock core and an outer lock core mutually separated. Opposite end faces of the inner lock core and the outer lock core are provided with an inner lock core lug and an outer lock core lug respectively, at least one outer lock core lug on the end face of the outer lock core is provided with a bolt groove, the inner lock core is provided with an inner core return spring, positions on the inner lock core close to the end faces are provided with an inner core jacking block component placing groove and an inner core bolt component placing groove respectively which are communicated through a passage, the side wall of the inner lock core corresponding to the inner core jacking block component placing groove is provided with an inner core ball placing groove in which an inner core ball return spring and an inner core ball are arranged in turn in radial direction, an inner core jacking block return spring and an inner core jacking block are arranged in the inner core jacking block placing groove in turn, the outer end of the inner core jacking block is supported against the inner core ball, an inner core bolt return spring and an inner core bolt are orderly arranged in the inner core bolt component placing groove in the radial direction, and the inner lock core of the lock core is provided with a mechanism which needs a special key to be unlocked and rotate so as to prevent illegally unlocking. The invention also discloses a two-section type key matched with the lock core.

Description

Prevent the lock core of technical unlocking and supporting two-segment key thereof
Technical field
The present invention relates to a kind of lock core, especially can prevent the illegal lock core that prevents technical unlocking of opening.The invention still further relates to the two-segment key with above-mentioned lock core coupling
Background technology
All there is the defective of illegally being opened easily in the lock core of selling in the market, the general method that adopts all is by withstanding lock core, the pellet of then provoking wherein arrives the precalculated position, finally open lock core, this method need not be destroyed lock core by force, difficultly when stealing realized by owner, therefore threaten greatly.
Summary of the invention
Technical problem to be solved by this invention provides a kind of lock core that can prevent technical illegal unlatching, and the configuration of the internal cylinder of this lock core needs special key to carry out mechanism that release could rotate to prevent illegal unlatching.Technical problem to be solved by this invention also comprises provides a kind of and above-mentioned lock core supporting two-segment key.
For this reason, the lock core of technical unlocking that prevents provided by the invention comprises internal cylinder and the outer lock core that is separated from each other, internal cylinder and outer lock core outer race have internal lock core retainer plate and external lock core retainer plate, internal cylinder relatively outer lock core relatively rotates certain distance, be respectively arranged with internal cylinder projection and outer lock core projection on the internal cylinder end face relative with outer lock core, at least one outer lock core projection of outer lock core end face disposes the latch groove, internal cylinder disposes the inner core return spring, offer respectively internal cylinder jack and outer lock core jack on internal cylinder and the outer lock core, position near the outer face in the outer lock core outer lock core jack is provided with the pilot pin block, internal cylinder is respectively arranged with inner core jacking block component placement groove and inner core latch assembly resettlement groove near endface position, there is passage to link up between inner core jacking block component placement groove and the inner core latch assembly resettlement groove, corresponding inner core jacking block component placement groove offers inner core pellet resettlement groove on the sidewall of internal cylinder, wherein radially be provided with successively from outside to inside inner core pellet return spring and inner core pellet in the inner core pellet resettlement groove, be disposed with from inside to outside inner core jacking block return spring and inner core jacking block in the inner core jacking block component placement groove, wherein the outer end of inner core jacking block withstands on the inner core pellet, radially be provided with successively from outside to inside inner core latch return spring and inner core latch in the inner core latch assembly resettlement groove, the inner core latch comprises the first inserted link that mates and raise up with the latch groove, be in the second inserted link of outer end and the 3rd inserted link of aiming at the inner core jacking block, wherein the second inserted link extends the end face of internal cylinder, on the sidewall of internal lock core retainer plate to offering the inserted link slot by the second inserted link; The second inserted link inserts in the inserted link slot under lock-out state, and the inner core pellet protrudes the inwall of internal lock core retainer plate and enters in the inner core jacking block component placement groove.
The present invention also provides the two-segment key supporting with the above-mentioned lock core that prevents technical unlocking, it comprises outer key and interior key, be provided with the pilot pin passage in outer key and the interior key, pilot pin is in the pilot pin passage, the backend arrangement of pilot pin has the pilot pin return spring, outer key rear end and interior key front end circumferentially are rotationally connected, and being rotationally connected of interior key offers pin hole on the end.
Because lock core provided by the invention has adopted relatively turnable internal cylinder and outer lock core two-part structure, and be respectively arranged with internal cylinder projection and outer lock core projection on the internal cylinder end face relative with outer lock core, radially be provided with successively inner core pellet return spring in the inner core jacking block component placement groove, the inner core pellet, inner core jacking block return spring and inner core jacking block, radially be not equipped with successively inner core latch return spring in the inner core latch assembly resettlement groove, the inner core latch, at least one outer lock core projection on the outer lock core end face disposes the latch groove, be merely able in the time of need to unblanking open by the two-segment key of special use, two-segment key must be under the situation of at first rotating outer lock core, start inner core latch assembly and inner core jacking block assembly, make the inner core latch in the inner core latch assembly break away from the internal lock core retainer plate, inner core pellet in the inner core jacking block assembly is headed in the internal lock core retainer plate, just can finish the rotation of internal cylinder, if illegal the unlatching, its instrument can't rotate blocked internal cylinder after entering lockhole, therefore can't open at all.
Description of drawings
Fig. 1 is the structure split schematic diagram that prevents the lock core of technical unlocking provided by the invention.
Fig. 2 is the structural representation that the invention provides two-segment key.
Fig. 3 is external lock core retainer plate and outer lock core assembled state end view.
Fig. 4 is inner core jacking block assembly and the structural representation of inner core latch assembly on internal cylinder.
In each accompanying drawing: 1, internal cylinder, 2, outer lock core, 3, the internal cylinder projection, 4, the outer lock core projection, 5, the inner core return spring, 6, the internal cylinder jack, 7, the outer lock core jack, 8, the pilot pin block, 9, inner core jacking block component placement groove, 10, inner core latch assembly resettlement groove, 11, inner core pellet return spring, 12, the inner core pellet, 13, inner core jacking block return spring, 14, the inner core jacking block, 15, inner core latch return spring, 16, the inner core latch, 16A, the first inserted link, 16B, the second inserted link, 16C, the 3rd inserted link, 17, the internal lock core retainer plate, 18, the external lock core retainer plate, 19, the internal cylinder grooving, 20, the internal cylinder inserted sheet, 21, the space, 22, the latch groove, 24, outer key, 25, interior key, 26, pilot pin, 27, the pilot pin return spring, 28, be rotationally connected end, 29, pin hole, 30, inner core pellet resettlement groove, 31, passage, 32, the pilot pin block piece, 33, the block piece chute, 34, the inserted link slot, 35, the pilot pin passage.
The specific embodiment
Such as Fig. 1, Fig. 3, shown in Figure 4, the lock core of technical unlocking that prevents provided by the invention comprises internal cylinder 1 and the outer lock core 2 that is separated from each other, internal cylinder 1 and outer lock core 2 outer race have internal lock core retainer plate 17 and external lock core retainer plate 18, internal cylinder 1 relatively outer lock core 2 relatively rotates certain distance, be respectively arranged with internal cylinder projection 3 and outer lock core projection 4 on the relative end face of internal cylinder 1 and outer lock core 2, at least one outer lock core projection 4 of outer lock core 2 end faces disposes latch groove 22, internal cylinder disposes inner core return spring 5, offer respectively internal cylinder jack 6 and outer lock core jack 7 on internal cylinder 1 and the outer lock core 2, position near the outer face in the outer lock core 2 outer lock core jacks is provided with pilot pin block 8, internal cylinder 1 is respectively arranged with inner core jacking block component placement groove 9 and inner core latch assembly resettlement groove 10 near endface position, there is passage 31 to link up between inner core jacking block component placement groove 9 and the inner core latch assembly resettlement groove 10, corresponding inner core jacking block component placement groove 9 offers inner core pellet resettlement groove 30 on the sidewall of internal cylinder 1, wherein radially be provided with successively from outside to inside inner core pellet return spring 11 and inner core pellet 12 in the inner core pellet resettlement groove 30, be disposed with from outside to inside inner core jacking block return spring 13 and inner core jacking block 14 in the inner core jacking block component placement groove 9, wherein the outer end of inner core jacking block 14 withstands on the inner core pellet 12, radially be provided with successively from inside to outside inner core latch return spring 15 and inner core latch 16 in the inner core latch assembly resettlement groove 10, inner core latch 16 comprises the first inserted link 16A that mates and raise up with latch groove 22, be in the second inserted link 16B of outer end and the 3rd inserted link 16C that aims at inner core jacking block 14, wherein the first inserted link 16A extends the end face of internal cylinder 1, on the sidewall of internal lock core retainer plate 17 to offering inserted link slot 34 by the second inserted link 16B; The second inserted link 16B inserts in the inserted link slot 34 under lock-out state, and inner core pellet 12 protrudes the inwall of internal lock core retainer plates 17 and enter in the inner core jacking block component placement groove 9, and the second inserted link 16B and inner core pellet 12 common restriction internal cylinder can't be rotated it.
As shown in Figure 3, internal lock core retainer plate 17 both sides offer internal cylinder grooving 19 in the above-described embodiments, internal cylinder inserted sheet 20 two ends enter in the internal cylinder grooving 19, and leave space 21 between the circumferential side wall of internal cylinder inserted sheet 20 and internal cylinder grooving 19, this structure can prevent that illegal opener from inserting lockhole firmly lock core inserted sheet 20 decided at the higher level but not officially announced with instrument, because the existence in space 21 is when stirring lock core inserted sheet 20, lock core inserted sheet 20 can also rotate.
As shown in Figure 2, what lock core provided by the invention disposed is two-segment key 23, it comprises outer key 24 and interior key 25, be provided with pilot pin 26 and pilot pin return spring 27 in outer key 24 and the interior key 25, outer key 24 rear ends and interior key 25 front ends circumferentially are rotationally connected, being rotationally connected on the end 28 of outer key 24 offers pin hole 29, pilot pin 26 disposes pilot pin block piece 32, this pilot pin block piece 32 is in the interior key 25, correspondence is provided with block piece chute 33 on the sidewall of interior key 25, and block piece chute 33 is extended at the two ends of pilot pin block piece 32.
The lock core that prevents technical unlocking that the below's detailed description provides and the using method of two-segment key: when key inserts internal cylinder jack 6 and outer lock core jack 7, key positioner pin block piece 32 is arranged at pilot pin block 8 promotions that outer lock core jack 7 closes on endface position, and then pilot pin block piece 32 promotes to move after the pilot pin 26, key 25 in pilot pin 26 breaks away from, this moment, outer key 24 can relatively rotate certain angle with interior key 25; When rotating, key 23 rotates a lower angle under the outside effect of key 24 of outer lock core 3,22 couples of the first inserted link 16A that put on the inner core latch 16 of latch groove this moment, when being rotated further key 23, the first inserted link 16A of inner core latch 16 is subjected under the effect of latch groove 22 to inside contracting, and then can make the second inserted link 16B break away from inserted link slot 34 on the internal lock core retainer plate 17, while the 3rd inserted link 16C passes the pin hole 29 of outer key 24 and the passage 31 on the internal cylinder 1 outwards backs down inner core jacking block 14, inner core jacking block 14 compression inner core jacking block return spring 13 and inner core pellet return springs 11, in the inner core pellet resettlement groove 30 of inner core pellet 12 jacking internal lock core retainer plate 17B, the end face of inner core pellet 12 and the inwall of internal lock core retainer plate 17 are on the same anchor ring, and this moment, the second inserted link 16B and inner core pellet 12 all can not limit the internal cylinder rotation; The internal cylinder projection 3 of internal cylinder 1 is arrived on outer lock core projection 4 tops when being rotated further key 23, and then drives internal cylinder 1 rotation, and lock is opened; In the time of need to withdrawing from key, unclamp key 23, internal cylinder 1 is at return under the effect of internal cylinder return spring 5. and outer lock core 2 is return under the effect of key 23, outer lock core 2 under the effect of key 23 during return outside key 24 and interior key 25 in line, pilot pin 26 is at lower interior key 25 of the effect of pilot pin return spring 27 and outer key 24 integrators when pulling out key 23.

Claims (4)

1. lock core that prevents technical unlocking, it is characterized in that: comprise the internal cylinder (1) and the outer lock core (2) that are separated from each other, internal cylinder (1) and outer lock core (2) outer race have internal lock core retainer plate (17) and external lock core retainer plate (18), internal cylinder (1) relatively outer lock core (2) relatively rotates certain distance, be respectively arranged with internal cylinder projection (3) and outer lock core projection (4) on internal cylinder (1) end face relative with outer lock core (2), at least one outer lock core projection (4) of outer lock core (2) end face disposes latch groove (22), internal cylinder disposes inner core return spring (5), offer respectively internal cylinder jack (6) and outer lock core jack (7) on internal cylinder (1) and the outer lock core (2), position near the outer face in the outer lock core jack (7) of outer lock core (2) is provided with pilot pin block (8), internal cylinder (1) is respectively arranged with inner core jacking block component placement groove (9) and inner core latch assembly resettlement groove (10) near on the end face, there is passage (31) to link up between inner core jacking block component placement groove (9) and the inner core latch assembly resettlement groove (10), corresponding inner core jacking block component placement groove (9) offers inner core pellet resettlement groove (30) on the sidewall of internal cylinder (1), wherein radially be provided with successively from outside to inside inner core pellet return spring (11) and inner core pellet (12) in the inner core pellet resettlement groove (30), be disposed with from outside to inside inner core jacking block return spring (13) and inner core jacking block (14) in the inner core jacking block component placement groove (9), wherein the outer end of inner core jacking block (14) withstands on the inner core pellet (12), radially be provided with successively from inside to outside inner core latch return spring (15) and inner core latch (16) in the inner core latch assembly resettlement groove (10), inner core latch (16) comprises the first inserted link (16A) that mates and raise up with latch groove (22), be in second inserted link (16B) of outer end and the 3rd inserted link (16C) of aiming at inner core jacking block (14), wherein the first inserted link (16A) extends the end face of internal cylinder (1), on the sidewall of described internal lock core retainer plate (17) to offering inserted link slot (34) by the second inserted link (16B); The second inserted link (16B) inserts in the inserted link slot (34) under lock-out state, and inner core pellet (12) protrudes the inwall of internal lock core retainer plate (17) and enters in the inner core jacking block component placement groove (9).
2. the lock core that prevents technical unlocking according to claim 1, it is characterized in that: described internal lock core retainer plate (17) both sides offer internal cylinder grooving (19), internal cylinder inserted sheet (20) two ends enter in the internal cylinder grooving (19), and leave space (21) between the circumferential side wall of internal cylinder inserted sheet (20) and internal cylinder grooving (19).
One kind with the supporting two-segment key of the described lock core that prevents technical unlocking of claim 1, it is characterized in that: comprise outer key (24) and interior key (25), be provided with pilot pin passage (35) in outer key (24) and the interior key (25), pilot pin (26) is in the pilot pin passage (35), the backend arrangement of pilot pin (26) has pilot pin return spring (27), outer key (24) rear end and interior key (25) front end circumferentially are rotationally connected, and being rotationally connected of outer key (24) offers pin hole (29) on the end (28).
4. two-segment key according to claim 3, it is characterized in that: described pilot pin (26) disposes pilot pin block piece (32), this pilot pin block piece (32) is in the interior key (25), correspondence is provided with block piece chute (33) on the sidewall of interior key (25), and block piece chute (33) is extended at the two ends of pilot pin block piece (32).
CN 200810162946 2008-12-05 2008-12-05 Anti-technical unlocking lock core and its assorted two-segment key Expired - Fee Related CN101476415B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810162946 CN101476415B (en) 2008-12-05 2008-12-05 Anti-technical unlocking lock core and its assorted two-segment key

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Application Number Priority Date Filing Date Title
CN 200810162946 CN101476415B (en) 2008-12-05 2008-12-05 Anti-technical unlocking lock core and its assorted two-segment key

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CN101476415B true CN101476415B (en) 2013-04-17

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110541607B (en) * 2019-09-30 2024-03-22 中山市基信锁芯有限公司 Multi-dimensional combined coordinated locking lock cylinder structure
CN112681903B (en) * 2021-01-04 2022-08-16 珠海优特物联科技有限公司 Lock core

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001034927A1 (en) * 1999-11-08 2001-05-17 Mather, Seija, Aulikki Improvements in key operable locks
CN2608628Y (en) * 2003-01-13 2004-03-31 曹希文 Bullet lock capable of preventing opened by universal key
CN2756766Y (en) * 2004-06-15 2006-02-08 骆国基 Anti-theft lock
CN1844625A (en) * 2005-06-15 2006-10-11 余义伦 Lock capable of preventing destructive and technical opening
CN201033971Y (en) * 2007-06-04 2008-03-12 骆国基 Double-sided key idle-run tapered end
CN201056890Y (en) * 2007-05-20 2008-05-07 徐忠祥 Anti-theft lock head with automatic concealed lockhole and its key
CN201133143Y (en) * 2007-11-02 2008-10-15 田留花 Anti-theft lock for preventing technical unlocking and possessing automatic alarm

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001034927A1 (en) * 1999-11-08 2001-05-17 Mather, Seija, Aulikki Improvements in key operable locks
CN2608628Y (en) * 2003-01-13 2004-03-31 曹希文 Bullet lock capable of preventing opened by universal key
CN2756766Y (en) * 2004-06-15 2006-02-08 骆国基 Anti-theft lock
CN1844625A (en) * 2005-06-15 2006-10-11 余义伦 Lock capable of preventing destructive and technical opening
CN201056890Y (en) * 2007-05-20 2008-05-07 徐忠祥 Anti-theft lock head with automatic concealed lockhole and its key
CN201033971Y (en) * 2007-06-04 2008-03-12 骆国基 Double-sided key idle-run tapered end
CN201133143Y (en) * 2007-11-02 2008-10-15 田留花 Anti-theft lock for preventing technical unlocking and possessing automatic alarm

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