CN104088518A - Double-key interlocking anti-theft lock - Google Patents

Double-key interlocking anti-theft lock Download PDF

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Publication number
CN104088518A
CN104088518A CN201410254280.9A CN201410254280A CN104088518A CN 104088518 A CN104088518 A CN 104088518A CN 201410254280 A CN201410254280 A CN 201410254280A CN 104088518 A CN104088518 A CN 104088518A
Authority
CN
China
Prior art keywords
interlocking
hole
purl
lock
key
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410254280.9A
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Chinese (zh)
Inventor
余登会
邱兴伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Shizhan Science and Technology Development Center
Original Assignee
Chongqing Shizhan Science and Technology Development Center
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Shizhan Science and Technology Development Center filed Critical Chongqing Shizhan Science and Technology Development Center
Priority to CN201410254280.9A priority Critical patent/CN104088518A/en
Publication of CN104088518A publication Critical patent/CN104088518A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a double-key interlocking anti-theft lock. A lock body is arranged in a fixed case of the anti-theft lock, a lock cylinder is arranged in the lock body, key holes are formed in the lock cylinder, interlocking covers are arranged in front of the lock body and the lock cylinder, lock pin holes are formed in ejector columns, an interlocking hole is formed in the lock body, interlocking springs, ejector pins, lock pins and propping pins are arranged in channels of the interlocking hole and ejector pin holes, and the back end of the lock cylinder is connected with a linkage mechanism. A middle hole is formed in the middle of each interlocking cover, interlocking key holes and propping pin bearing holes are formed in the interlocking covers, the front end of the lock cylinder is sleeved or provided with the middle holes, and the interlocking key holes are cylindrical key holes in which interlocking keys are inserted. With the adoption of the double-key interlocking anti-theft lock which is reasonable in structure and convenient to manufacture and use, the ejector pins and the lock pins can transversely lock the ejector columns, the interlocking keys and specially made keys are separated, and a single interlocking key or specially made key cannot unlock the anti-theft lock, so that anti-theft interlocking of the anti-theft lock is realized, a thief and an unlocking master cannot unlock an interlocking device and rotate the lock cylinder, and the true anti-theft role is played.

Description

Double key interlocking theftproof lock
Technical field
The present invention relates to a kind of double key interlocking theftproof lock in theftproof lock field.
Background technology
The theftproof lock using now has a variety of, but is all that the key adopting rotates to drive dead bolt to open theftproof lock substantially, causes robber or the king that unblanks is easy to just open theftproof lock.The theftproof lock that robber and the king that unblanks do not open also there is no at present.
Summary of the invention
The object that the present invention relates to is in order to provide a kind of robber and the double key of the theftproof lock that the king that unblanks does not open interlocking theftproof lock.
For achieving the above object, in described set casing, there is lock body, in lock body, have lock core, in lock core, have keyhole, the front end of lock body and lock core or have interlocking lid above; Described interlocking lid between set casing and lock body and lock core, the position of the front end that defines lock body and lock core in set casing; On the corresponding lock body of described keyhole and lock core, hold hole, hold in hole and have fore-set spring, bullet and fore-set, on fore-set, have purl hole; On described lock body, have interlocking hole, interlocking hole and centre hole are linked to be a beeline channel under the nature of locking, have interlock spring, thimble, purl, to pin in this beeline channel, this beeline channel with hold that hole is vertical to be connected; Under the state that described interlocking hole and centre hole are opened at lock, not on a beeline channel, interlocking hole and centre hole be independence and interrupting channel separately; Described lock core rearward end be connected tongue piece and connect, or be connected with link gear.
There is interstitial hole at the middle part of described interlocking lid, has interlocking keyhole and support pin and hold hole in interlocking lid, and interstitial hole is enclosed within the leading section of lock core; Described interlocking keyhole is for inserting the post shape key of interlocking key, and when adopting polystyle interlocking key, the length of the interlocking keyhole in same interlocking lid is consistent or inconsistent; Described support pin to hold hole be to expose or to be absorbed in the length of supporting pin of lock body leading section consistent or inconsistent to pin for keeping out to pin, its objective is to allow, make to hold hole to pin and be with or without in interlocking lid.
, on lock, there is interlocking hole in described purl hole on lock body, in purl hole and interlocking hole, have purl and thimble, and purl and thimble can slide front and back in purl hole and interlocking hole; Described purl and thimble do not insert under the nature in keyhole in special bitting, in purl hole, have purl and thimble, one end of purl and thimble is in purl hole, and the other end is in interlocking hole, surpass the part in purl hole in interlocking hole, limited the movement of lock; Described purl and thimble insert under the opening in keyhole in special bitting, interlocking hole and purl hole be not on a beeline channel, and purl only has purl in hole, and purl is completely in purl hole, thimble is completely in interlocking hole, and now lock can move around in holding hole.
In order to make interlock produce locking effect, described interlock spring, thimble, purl, the erection sequence to pin in interlocking hole and purl hole are: foremost withstands on the pin that supports of interlocking lid, after be the repetitive sequence of purl, thimble successively, in the end a purl has below a thimble, has interlock spring top to press after it; Described purl and thimble be not when specially the nature in keyhole is inserted in bitting, interlocking hole and purl hole are linked to be a beeline channel, interlock spring pushing tow thimble and purl and support pin, make a part for thimble and purl in purl hole, another part locks fore-set in interlocking hole, bullet and fore-set cannot be retreated and by locked, when interlocking key inserts, special bitting cannot not inserted special bitting hole drawback lock yet.
Described thimble and support pin end all and be cambered surface or be not cambered surface, in same lock body, thimble equal in length or unequal; Support the equal in length or unequal of pin;
The end of described purl is cambered surface or consistent with the end shape in purl hole, and length is also consistent with the length in purl hole, and purl can be hidden in purl hole completely, or purl passes purl hole when mobile;
In order to make to interlock key, can open interlock, described interlocking key comprises dish portion and post portion, the support that dish portion is key, and post portion is post shape key; At the middle part of dish portion, have the special bitting can freely through dish hole, Pan Bushang has post shape key, has handle or joins extension, or there is no handle or join extension in the dish portion of the another side of post shape key; Described same equal in length or unequal interlocking post shape key on the key.
In order to interlock with antitheft, described thimble and purl can horizontal locked fore-set and bullet cannot be retreated with fore-set and locked, interlocking key is separated with special bitting, single interlocking key or specially bitting can not be opened theftproof lock, only when interlocking key coordinates with special bitting, can open safely theftproof lock.
In order to increase the anti-theft security of double key interlocking theftproof lock, described double key interlocking theftproof lock only, in the situation that interlocking key coordinates with special bitting, can be opened safely theftproof lock.
In order to expand the scope of application, described double key interlocking theftproof lock is applicable to the antitheft place of all kinds of needs and installs and uses, and is particularly suitable for installing and using of car door, security door, safety cabinet, strongbox, built-in lock door, built-in lock cabinet and common door and common cabinet.
For the ease of interlock spring, thimble, purl, support pin and be arranged in interlocking hole and purl hole, the interlocking hole on described lock body is with to hold hole vertical and be in cross perforation.
Rational in infrastructure, the manufacture and easy to use of double key interlocking theftproof lock of the present invention, adopt after double key interlocking theftproof lock, the interlocking key that thimble and purl can horizontal locked fore-sets, interlocking key is separated, single with special bitting or specially bitting can not be opened theftproof lock, realized the antitheft interlocking of theftproof lock, make robber and the Wang Wufa that unblanks open interlock and rotational lock core, played real anti-theft function.
Accompanying drawing explanation
Fig. 1 is the primary structure schematic diagram of double key interlocking theftproof lock of the present invention.
Fig. 2 is that Fig. 1 is at the structural representation of the sectional view of the double key interlocking theftproof lock of the present invention at purl place.
Fig. 3 is the primary structure schematic diagram of the interlocking lid of double key interlocking theftproof lock of the present invention.
Fig. 4 is the surface structure schematic diagram of right view of the interlocking lid of double key of the present invention interlocking theftproof lock.
Fig. 5 is the primary structure schematic diagram of the interlocking key of double key interlocking theftproof lock of the present invention.
Fig. 6 is the surface structure schematic diagram of right view of the interlocking key of double key of the present invention interlocking theftproof lock.
Fig. 7 is the surface structure schematic diagram of the special bitting of double key interlocking theftproof lock of the present invention.
Set casing 1 shown in figure, lock body 2, lock core 3, bullet 4, fore-set 5, fore-set spring 6, interlocking lid 7, interlocking keyhole 8, support pin and hold hole 9, interlocking hole 10, interlock spring 11, thimble 12, purl 13, support pin 14, dish portion 15, post shape key 16, dish hole 17, interstitial hole 18.
The specific embodiment
Double key of the present invention interlocking theftproof lock mainly comprises set casing 1, lock body 2, lock core 3, holds hole, bullet 4, fore-set 5, fore-set spring 6, keyhole, specially bitting, interlocking lid 7, interlocking key, interlocking hole 10, interlock spring 11, thimble 12, purl 13, to support pin 14, link gear, lock horizontal;
In described set casing 1, there is lock body 2, in lock body 2, have lock core 3, in lock core 3, have keyhole, the front end of lock body 2 and lock core 3 or have interlocking lid 7 above; Described interlocking lid 7, between set casing 1 and lock body 2 and lock core 3, defines the front end of lock body 2 and lock core 3 in the position of 1 li of set casing; On the corresponding lock body 2 of described keyhole and lock core 3, hold hole, hold in hole and have fore-set spring 6, bullet 4 and fore-set 5, on fore-set 5, have purl 13 holes; On described lock body 2, there is interlocking hole 10, interlocking hole 10 is linked to be a beeline channel with thimble 12 holes under the nature of locking, in this beeline channel, have interlock spring 11, thimble 12, purl 13, support pin 14, this beeline channel with hold that hole is vertical to be connected; Under the state that open at lock in described interlocking hole 10 and thimble 12 holes, not on a beeline channel, interlocking hole 10 and thimble 12 holes are independent and interrupting channel separately; Described lock core 3 rearward end be connected tongue piece and connect, or be connected with link gear.
There is interstitial hole 18 at the middle part of described interlocking lid 7, has interlocking keyhole 8 and support pin 14 and hold hole 9 in interlocking lid 7, and interstitial hole 18 is enclosed within the leading section of lock core 3; Described interlocking keyhole 8 is for inserting the post shape key 16 of interlocking key, and when adopting polystyle interlocking key, the length of the interlocking keyhole 8 in same interlocking lid 7 is consistent or inconsistent; Described support pin 14 to hold hole 9 be to expose or to be absorbed in the length of supporting pin 14 of lock body 2 leading sections consistent or inconsistent to pin 14 for keeping out to pin 14, its objective is to allow, make to hold hole 9 to pin 14 and be with or without in interlocking lid 7.
, on lock, there is the hole 10 of interlocking in described purl 13 holes on lock body 2, in purl 13 holes and interlocking hole 10, have purl 13 and thimble 12, and purl 13 and thimble 12 can slide front and back in purl 13 holes and interlocking hole 10; Described purl 13 and thimble 12 do not insert under the nature in keyhole in special bitting, in purl 13 holes, there are purl 13 and thimble 12, one end of purl 13 and thimble 12 is in purl 13 holes, the other end is in interlocking hole 10, surpass the part in purl 13 holes in interlocking hole 10, limited the movement of lock; Described purl 13 and thimble 12 insert under the opening in keyhole in special bitting, interlocking hole 10 and purl 13 holes are not on a beeline channel, purl only has purl 13 in 13 holes, purl 13 is completely in purl 13 holes, thimble 12 is completely in interlocking hole 10, and now lock can move around in holding hole.
In order to make interlock produce locking effect, described interlock spring 11, thimble 12, purl 13, support the erection sequence of pin 14 in interlocking hole 10 and purl 13 holes and be: what foremost withstood on interlocking lid 7 supports pin 14, after be the repetitive sequence of purl 13, thimble 12 successively, in the end a purl 13 has below a thimble 12, has interlock spring 11 tops to press after it; Described purl 13 and thimble 12 be not when specially the nature in keyhole is inserted in bitting, interlocking hole 10 is linked to be a beeline channel with purl 13 holes, interlock spring 11 pushing tow thimbles 12 and purl 13 and support pin 14, make a part for thimble 12 and purl 13 in purl 13 holes, another part is at the interior locking fore-set 5 in interlocking hole 10, bullet 4 and fore-set 5 cannot be retreated and by locked, when interlocking key inserts, special bitting cannot not inserted special bitting hole drawback lock yet.
Described thimble 12 and support pin 14 end all and be cambered surface or be not cambered surface, in same lock body 2, thimble 12 equal in length or unequal; Support the equal in length or unequal of pin 14;
The end of described purl 13 is cambered surfaces or consistent with the end shape in purl 13 holes, and length is also consistent with the length in purl 13 holes, and purl 13 can be hidden in purl 13 holes completely, or purl 13 passes purl 13 holes when mobile;
In order to make to interlock key, can open interlock, described interlocking key comprises dish portion 15 and post portion, the support that dish portion 15 is key, and post portion is post shape key 16; At the middle part of dish portion 15, there is the special bitting can freely through dish hole 17, in dish portion 15, have post shape key 16, in the dish portion 15 of the another side of post shape key 16, have handle or join extension, or there is no handle or join extension; Described same equal in length or unequal interlocking post shape key 16 on the key.
In order to interlock with antitheft, described thimble 12 and purl 13 can horizontal locked fore-set 5 and bullet 4 cannot be retreated with fore-set 5 and locked, interlocking key is separated with special bitting, single interlocking key or specially bitting can not be opened theftproof lock, only when interlocking key coordinates with special bitting, can open safely theftproof lock.
In order to increase the anti-theft security of double key interlocking theftproof lock, described double key interlocking theftproof lock only, in the situation that interlocking key coordinates with special bitting, can be opened safely theftproof lock.
In order to expand the scope of application, described double key interlocking theftproof lock is applicable to the antitheft place of all kinds of needs and installs and uses, and is particularly suitable for installing and using of car door, security door, safety cabinet, strongbox, built-in lock door, built-in lock cabinet and common door and common cabinet.
For the ease of interlock spring 11, thimble 12, purl 13, support pin 14 and be arranged in interlocking hole 10 and purl 13 holes, the interlocking hole 10 on described lock body 2 is with to hold hole vertical and be in cross perforation.
While opening the lock with the key, first with interlocking key, insert the interlocking interior promotion in hole 10 and move backward to pin 14, then promote to move compression interlock spring 11 after purl 13, thimble 12, purl 13 is entered in purl hole completely, completed the process of opening interlock; With special bitting, insert keyhole afterwards, push the bullet 4 that holds hole, the cooperation place that makes bullet 4 and fore-set 5 is the junction with lock body 2 at lock core 3 just; While rotating special bitting, lock core 3 rotates thereupon, drives link gear to open lock horizontal.
Robber or unblank king in the time need not interlocking key and specially bitting is unblanked, do not interlock key and open the purl 13 of cross locking on fore-set 5 and thimble 12 and inextricable interlock, cannot make the just junction with lock body 2 at lock core 3, cooperation place that bullet 4 and fore-set 5 move to bullet 4 and fore-set 5, lock core 3 cannot be rotated, thereby play the effect of multiple locking and multiple safety.

Claims (5)

1. a double key interlocking theftproof lock, is characterized in that: in described set casing (1), have lock body (2), have lock core (3) in lock body (2), lock core has keyhole in (3), the front end of lock body (2) and lock core (3) or have interlocking lid (7) above; Described interlocking lid (7), between set casing (1) and lock body (2) and lock core (3), defines the front end of lock body (2) and lock core (3) in the inner position of set casing (1); On the corresponding lock body of described keyhole (2) and lock core (3), hold hole, hold in hole and have fore-set spring (6), bullet (4) and fore-set (5), on fore-set (5), have purl (13) hole; On described lock body (2), there is interlocking hole (10), interlocking hole (10) is linked to be a beeline channel with thimble (12) hole under the nature of locking, in this beeline channel, have interlock spring (11), thimble (12), purl (13), support pin (14), this beeline channel with hold that hole is vertical to be connected; Under the state that described interlocking hole (10) and thimble (12) Kong Suo open, not on a beeline channel, interlocking hole (10) and thimble (12) hole be independent and interrupting channel separately; Described lock core (3) rearward end be connected tongue piece and connect, or be connected with link gear;
There is interstitial hole (18) at the middle part of described interlocking lid (7), has interlocking keyhole (8) and support pin (14) and hold hole (9) in interlocking lid (7), and interstitial hole (18) is enclosed within the leading section of lock core (3); Described interlocking keyhole (8) is for inserting the post shape key (16) of interlocking key, and when adopting polystyle interlocking key, the length of the interlocking keyhole (8) in same interlocking lid (7) is consistent or inconsistent; Described support pin (14) to hold hole (9) be for keeping out to pin (14), its objective is to allow and expose or to be absorbed in the length of supporting pin (14) of lock body (2) leading section consistent or inconsistent to pin (14), make to hold hole (9) to pin (14) and be with or without in interlocking lid (7);
Described purl (13) hole is on lock, on lock body (2), there is interlocking hole (10), in purl (13) hole and interlocking hole (10), have purl (13) and thimble (12), purl (13) and thimble (12) can slide front and back in purl (13) hole and interlocking hole (10); Described purl (13) and thimble (12) do not insert under the nature in keyhole in special bitting, in purl (13) hole, there are purl (13) and thimble (12), one end of purl (13) and thimble (12) is in purl (13) hole, the other end is in interlocking hole (10), surpass the part in purl (13) hole in interlocking hole (10), limited the movement of lock; Described purl (13) and thimble (12) insert under the opening in keyhole in special bitting, interlocking hole (10) and purl (13) hole be not on a beeline channel, purl (13) only has purl (13) in hole, purl (13) is completely in purl (13) hole, thimble (12) is completely in interlocking hole (10), and now lock can move around in holding hole;
In order to make interlock produce locking effect, described interlock spring (11), thimble (12), purl (13), support the erection sequence of pin (14) in interlocking hole (10) and purl (13) hole and be: foremost withstand on interlocking lid (7) to pin (14), after be the repetitive sequence of purl (13), thimble (12) successively, in the end a purl (13) has below a thimble (12), has interlock spring (11) top to press after it; Described purl (13) and thimble (12) be not when specially the nature in keyhole is inserted in bitting, interlocking hole (10) is linked to be a beeline channel with purl (13) hole, interlock spring (11) pushing tow thimble (12) and purl (13) and support pin (14), make a part for thimble (12) and purl (13) in purl (13) hole, another part is locking fore-set (5) in interlocking hole (10), bullet (4) and fore-set (5) cannot be retreated and by locked, when interlocking key inserts, special bitting cannot not inserted special bitting hole drawback lock yet;
Described thimble (12) and support pin (14) end all and be cambered surface or be not cambered surface, in same lock body (2), thimble (12) equal in length or unequal; Support the equal in length or unequal of pin (14);
The end of described purl (13) is cambered surface or consistent with the end shape in purl (13) hole, length is also consistent with the length in purl (13) hole, purl (13) can be hidden in purl (13) hole completely, or purl (13) passes purl (13) hole when mobile.
2. double key according to claim 1 interlocks theftproof lock, it is characterized in that: in order to make to interlock key, can open interlock, described interlocking key comprises dish portion (15) and post portion, the support that dish portion (15) is key, and post portion is post shape key (16); At the middle part of dish portion (15), there is the special bitting can freely through dish hole (17), in dish portion (15), have post shape key (16), in the dish portion (15) of the another side of post shape key (16), have handle or join extension, or there is no handle or join extension; Described same equal in length or unequal interlocking post shape key (16) on the key.
3. double key according to claim 1 interlocks theftproof lock, it is characterized in that: in order to interlock with antitheft, described thimble (12) and purl (13) can horizontal locked fore-set (5) and bullet (4) cannot be retreated with fore-set (5) and locked, interlocking key is separated with special bitting, single interlocking key or specially bitting can not be opened theftproof lock, only when interlocking key coordinates with special bitting, can open safely theftproof lock.
4. double key according to claim 1 interlocks theftproof lock, it is characterized in that: in order to increase the anti-theft security of double key interlocking theftproof lock, described double key interlocking theftproof lock only, in the situation that interlocking key coordinates with special bitting, can be opened safely theftproof lock.
5. double key according to claim 1 interlocks theftproof lock, it is characterized in that: for the ease of interlock spring (11), thimble (12), purl (13), support pin (14) and be arranged in interlocking hole (10) and purl (13) hole, the interlocking hole (10) on described lock body (2) is with to hold hole vertical and be in cross perforation.
CN201410254280.9A 2014-06-10 2014-06-10 Double-key interlocking anti-theft lock Pending CN104088518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410254280.9A CN104088518A (en) 2014-06-10 2014-06-10 Double-key interlocking anti-theft lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410254280.9A CN104088518A (en) 2014-06-10 2014-06-10 Double-key interlocking anti-theft lock

Publications (1)

Publication Number Publication Date
CN104088518A true CN104088518A (en) 2014-10-08

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Application Number Title Priority Date Filing Date
CN201410254280.9A Pending CN104088518A (en) 2014-06-10 2014-06-10 Double-key interlocking anti-theft lock

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CN (1) CN104088518A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104775684A (en) * 2015-03-20 2015-07-15 邱兴伦 Magnetic repulsion-based alarm lock capable of preventing from theft in mechanical-electronic hybrid manner

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098805A (en) * 1999-09-30 2001-04-10 Alpha Corp Cylinder lock
CN101016811A (en) * 2006-02-07 2007-08-15 黄小能 Screened twin-core separately controlled pick-proof alarm lock head and key
CN102979372A (en) * 2012-11-21 2013-03-20 余义伦 Lock and key
CN104033017A (en) * 2014-05-31 2014-09-10 徐浩钟 Alarming, interlocking and dual-key anti-theft lock
CN203978013U (en) * 2014-06-10 2014-12-03 重庆示展科技发展中心 Interlocking double key theftproof lock

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001098805A (en) * 1999-09-30 2001-04-10 Alpha Corp Cylinder lock
CN101016811A (en) * 2006-02-07 2007-08-15 黄小能 Screened twin-core separately controlled pick-proof alarm lock head and key
CN102979372A (en) * 2012-11-21 2013-03-20 余义伦 Lock and key
CN104033017A (en) * 2014-05-31 2014-09-10 徐浩钟 Alarming, interlocking and dual-key anti-theft lock
CN203978013U (en) * 2014-06-10 2014-12-03 重庆示展科技发展中心 Interlocking double key theftproof lock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104775684A (en) * 2015-03-20 2015-07-15 邱兴伦 Magnetic repulsion-based alarm lock capable of preventing from theft in mechanical-electronic hybrid manner

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Application publication date: 20141008

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