CN2818690Y - Safety lock - Google Patents

Safety lock Download PDF

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Publication number
CN2818690Y
CN2818690Y CN 200520122712 CN200520122712U CN2818690Y CN 2818690 Y CN2818690 Y CN 2818690Y CN 200520122712 CN200520122712 CN 200520122712 CN 200520122712 U CN200520122712 U CN 200520122712U CN 2818690 Y CN2818690 Y CN 2818690Y
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CN
China
Prior art keywords
locking
lock
locking plate
key
block mechanism
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.)
Expired - Fee Related
Application number
CN 200520122712
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Chinese (zh)
Inventor
冀祥富
冀鹏程
李勇
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 200520122712 priority Critical patent/CN2818690Y/en
Application granted granted Critical
Publication of CN2818690Y publication Critical patent/CN2818690Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a lockset, particularly the structure of a lock. The utility model comprises a lock body and a lock core which is rotatablely matched with the lock body, wherein a plurality of annular lock sheets which are mutually parallel are arranged in the lock core. The surface of an outer circle of each lock sheet is provided with a locking slot, the middle of each lock sheet is provided with a circular key hole and the surface of an inner circle of each key hole is provided with a dentiform bulge. A locking key block mechanism is arranged between the lock body and the lock sheets, and the locking key block mechanism comprises locking key slots which are radially arranged in the lock body and the lock core, and locking key blocks and locking springs, which are arranged in the locking key slots, wherein the locking key blocks are arranged between the locking springs and the locking sheets. The utility model is a theftproof lock having the advantages that the lock member adjustment variation range is large, the dentiform variation range is large, the lock has multiple variation quantities and the lock is difficult to illegally open.

Description

A kind of theftproof lock
Technical field
The utility model relates to a kind of lockset, especially relates to the structure of lock.
Background technology
Mechanical lock inside all has some for the member of adjusting (as pellet shot from a slingshot, locking plate), the tooth portion of key and the enable possition corresponding matching of lock.Have only when adjusting these members by key and arrive a certain certain location, lock just can be unlocked.
Find that by retrieval the patent No. is that the utility model patent of ZL012662488 has been announced a kind of anti-theft lock end, comprises housing, lock core and pellet shot from a slingshot, card key mechanism.If its shortcoming is can be still less, unfavorable antitheft for the excursion of slide block of adjusting and profile of tooth.
Summary of the invention
The theftproof lock that the excursion that the purpose of this utility model just provides a kind of member adjustment and profile of tooth is big, varied number is many, be difficult to pirate of the open.
For reaching above-mentioned target, the technical solution adopted in the utility model is:
A kind of theftproof lock described in the utility model, comprise lock body and the lock core that is rotatably assorted with lock body, in lock core, be provided with the locking plate of some ring-types that are parallel to each other, the outer round surface of locking plate has latching slot, the centre of locking plate has circular keyhole, the internal circular surfaces of keyhole has detent projection, between lock body and locking plate, be provided with locking key block mechanism, locking key block mechanism comprises and radially is arranged on the locking keyway in lock body and the lock core and is arranged on locking key piece and locking spring in the locking keyway that locking key piece is arranged between locking spring and the locking plate.
Internal circular surfaces at lock core has some annular grooves that are parallel to each other, and in correspondingly the locking plate of a plurality of ring-types was placed in annular groove, the outer round surface of locking plate also had locating slot; Between lock body and locking plate, be provided with positioning key block mechanism and locking key block mechanism, the positioning key block mechanism comprises and radially is arranged on the positioning spline in lock body and the lock core and is arranged on positioning key piece, retainer spring in the positioning spline that the shape on positioning key piece top is corresponding with locating slot; Locking key block mechanism comprises and radially is arranged on the locking keyway in lock body and the lock core and is arranged on locking key piece, locking spring in the locking keyway that the width and the latching slot of locking key piece adapt.
Be provided with some porose partitions that are parallel to each other in the endoporus of described lock core, locking plate is installed between the partition, and the keyhole in the middle of the locking plate is concentric with the hole in the middle of the partition, and the outer round surface of locking plate also has locating slot; Between lock body and locking plate, be provided with positioning key block mechanism and locking key block mechanism, the positioning key block mechanism comprises and radially is arranged on the positioning spline in lock body and the lock core and is arranged on positioning key piece, retainer spring in the positioning spline that the shape on positioning key piece top is corresponding with locating slot; Locking key block mechanism comprises and radially is arranged on the locking keyway in lock body and the lock core and is arranged on locking key piece, locking spring in the locking keyway that the width and the latching slot of locking key piece adapt; Have the breach that the shape with locking key piece and positioning key piece adapts on the partition.
The outer round surface of above-mentioned locking plate also has interference tank.
Adopt the theftproof lock of said structure, when locked position, locking plate is to turn round separately.So just can not turn on lock by force by tool using insertion lockhole.The groove of locking plate outer round surface has plenty of correspondingly with the enable possition, and has enclosed expanded range that distribute to adjust along whole circumference.Like this, the number of locking plate and all possible permutation and combination of key is very big, and the outside diameter of supposing locking plate is 16 millimeters, and each millimeter of keyway is to every setting, every group of 8 calculating, and its all possible permutation and combination is: 50 8=3.9 * 10 13Equally, suppose 8 millimeters of the external diameters of key, the tooth position be set by 0.5 millimeter interval, its all arrange possible combination and be: 50 8=3.9 * 10 13The excursion of key is big, and varied number is many, is difficult to the technology pirate of the open.
Description of drawings
Fig. 1 is the schematic cross-section of the opening of an embodiment of the present utility model;
Fig. 2 is the schematic cross-section of the blocking of Fig. 1 embodiment;
Fig. 3 is an A-A sectional view among Fig. 1;
Fig. 4 is the structural representation of one of them locking plate;
Fig. 5 is the structural representation of theftproof lock key;
Fig. 6 is the B-B sectional view of Fig. 5;
Fig. 7 is the C-C sectional view of Fig. 5;
Fig. 8 is the structural representation of the lock core of Fig. 1 embodiment;
Fig. 9 is the D-D sectional view of Fig. 8;
Figure 10 is the structural representation of another embodiment;
Figure 11 is the E-E sectional view of Figure 10;
Figure 12 is the structural representation of partition;
Figure 13 is the schematic diagram of the lock core of another embodiment;
Figure 14 is the F-F sectional view of Figure 12;
Figure 15 is the schematic diagram of partition among Figure 12;
Figure 16 is the G-G sectional view of Figure 14;
Figure 17 is the partial sectional view of lock core among Figure 12 embodiment.
The specific embodiment
Embodiment 1:
See also accompanying drawing 1～9.A kind of theftproof lock described in the utility model comprises lock body 1 and the lock core 2 that is rotatably assorted with lock body 1, and lock body 1 has an internal circular surfaces, and lock core 2 is made up of two parts, interior formation cylindrical shell shape, and its outer round surface cooperates with lock body 1.The internal circular surfaces of lock core 2 has some annular grooves that are parallel to each other 25, the locking plate 3 of built-in ring-type in the annular groove 25, the outer round surface of locking plate 3 has latching slot 31, locating slot 32, interference tank 33, and the centre of locking plate 3 is keyholes, and the internal circular surfaces of keyhole has detent projection 34.2 key block structures are arranged between lock body 1 and the locking plate 3, be respectively positioning key block mechanism and locking key block mechanism, the positioning key block mechanism comprises and radially is arranged on the positioning spline in lock body 1 and the lock core 2 and is arranged on positioning key piece 6, retainer spring seat 62, retainer spring 61 in the positioning spline that the shape on positioning key piece 6 tops is corresponding with locating slot 32; Locking key block mechanism comprises and radially is arranged on the locking keyway in lock body 1 and the lock core 2 and is arranged on locking key piece 5, locking spring base 52, locking spring 51 in the locking keyway that the width and the latching slot 31 of locking key piece 5 adapt.Locking key piece 5 and positioning key piece 6 can radially slide in lock body 1, lock core 2 and the locking plate 3 common keyways that constitute.
Key 4 is in lock core hole, and external surface has tooth 43, and tooth 43 cooperates with detent projection 34 on the locking plate.
In lock core 2, decomposition face 21 is arranged, be based on the consideration of processing assembling, decomposition face vertically should be in the semicircle position, and the decomposition face of vertical axial can have one, also can establish two.
As shown in Figure 4, the groove on the locking plate 3 comprises latching slot 31, locating slot 32 and interference tank 33, and its cross sectional shape can be a rectangle, triangle, various selections such as trapezoidal, circular arc.The latching slot 31 that cooperates with locking key piece 5 is rectangle normally, and darker; The locating slot 32 that cooperates with positioning key 6 is selected circular arc for use or is had inclined plane shape, makes positioning key 6 easy slippages.The purpose that interference tank 33 is set is that perturbation technique is unblanked, and its groove width is identical with latching slot 31, and more shallow.In order to make locking plate in rotation process, keyway does not disturb mutually, and the width of locking key piece 5 is greater than locating slot 32, and is wide less than the key of positioning key 6.In one group of locking plate 3, have at least 3 of locking plates that 2 grooves are set, promptly have only latching slot 31 and locating slot 32, and latching slot 31 to have a peripheral side at least be inclined-plane or cambered surface so that locking key piece 5 can break away from from latching slot 31 when being opened to locking states.Detent projection 34 is arranged in a row in locking, can inject keyhole by Key.
Lead 7 is installed in the annular groove of lock core 2 by a wafer architecture, and cross sectional shape is circular, can certainly adopt other shapes, as polygon, semicircle, form such as axially grooved.Perhaps do not influence the performance of its basic function even without lead 7 yet.
Shown in Fig. 5,6,7, key 4 is a hollow, and external surface is cylindricality, and each tooth is circumferentially having 2 work planes, and one of them face alinement.
The course of work of this lock is such: when lock is in lockup state, locking key piece 5 release lock locked grooves 31 enter into the locking keyway, by locking key piece 5 with lock core 2 and lock body 1 relative fixed, lock core 2 can not rotate, this lock is in lockup state, at this moment, positioning key 6 enters under spring action in the locating slot 32, with the fixed-site of locking plate 3.If a plurality of locking plates 3 are arranged, the locating slot 32 on each locking plate 3 is arranged in row at this moment, and simultaneously, detent projection 34 also forms a line.During unlatching, key is inserted in the lockhole along lead 7, key, be positioned at the tooth 43 of diverse location on the key and act on detent projection 34 on each locking plate 3 respectively, locking plate 3 is rotated, because the position difference of tooth 43, each different locking plate 3 successively rotates, the active force that locking plate 3 overcomes spring makes positioning key 6 leave locating slot 32, and locking plate 3 is rotated further the position that latching slot 31 is rotated to locking key piece 5; At this moment, as long as key cooperates consistent with lock, just can promote different locking plate 3, finally make whole latching slot 31 arrive the position of locking key piece 5, the latching slot 31 on a plurality of locking plates is in same linear position, locking key piece 5 is under the promotion of locking spring 51, slide in the latching slot 31, locking key piece 5 is entered in the latching slot 31 fully, the contact surface of locking key piece 5 and spring base is on the surface of revolution of lock body 1 and lock core 2 at this moment then, thereby lock core 2 can rotate, and lock is unlocked.When locking, reverse rotation key 4, tooth 43 at first combines with the detent projection 34 of one of them locking plate, lock core 2 rotates with locking plate 3, be rotated further key, lock core 2 no longer rotates under the effect of alignment pin 10, locking key piece 5 withdraws under the ramp effect of latching slot 31, enters into the locking keyway of lock body, is rotated further key 4, drive locking plate 3, make locating slot 32 alignment, be in same linear position, and be in the position of positioning key 6 correspondences, positioning key 6 is in the effect lower slider of retainer spring 61, and its end engages with locating slot 32.This moment lock is in locking states, need to prove, when retainer spring 61 and locking spring 51 adopt turns to substitute, can omit spring base.Detent projection 34 on the locking plate 3 is arranged point-blank, can extract key out.
Embodiment 2:
See also accompanying drawing 10,11,12, partition 8 is installed between the annular groove 25 of lock core 2, partition 8 installs abreast in lock core 2, and locking plate 3 is set between partition 8, and certainly, also will there be keyhole the centre of partition 8, and is identical with keyhole on the locking plate 3.Partition 8 is made of two parts up and down, on the last partition 82 the partition latching slot is set, and is corresponding with locking key piece 5, on the following partition 81 the partition locating slot is set down, corresponding with positioning key 6.Grooving radially is set on lock core 2, and the width of the width of grooving and partition 8 is suitable.Can pack into by grooving going up partition 82 during actual production, and partition 81 and locking plate 3 axially packing into from lock core 2 all down.When the cylindrical radian of grooving was spent greater than 180, partition 81,82 can be made of one, and all packed into from grooving, and the contact portion of the inner surface of partition and lock core can be processed into the form of annular groove simultaneously.Other parts of present embodiment with and operating principle identical with embodiment 1.
Embodiment 3:
See also accompanying drawing 13-17.In the present embodiment, partition 8 in the form of a ring, the cylindrical between two locking plates 3 has annular groove, and pin 9 is arranged in the groove.The outside of locking key piece 5 has spring groove, and Spring Card 91 is an annular, is installed in the groove of spring groove on the locking key piece 5 and lock core 2 external surfaces, simultaneously locking key piece 5 and pin 9 is exerted pressure, and on the partition 8 groove is arranged, and cooperates with pin 9 and locking key piece 5 respectively. Process ratchet 84,85 on the catch, the groove fit with on locking plate 3 planes plays the role of positioning.9 pairs of locking plates 3 of pin play axial location, and when the diameter of pin during greater than the width of keyway of locking key piece 5, then Spring Card does not need by pin 9.Other parts of present embodiment with and operating principle can be with reference to above two embodiment.
It should be noted that at last: among above each embodiment, locking spring 51 and retainer spring 61 can be replacements such as helical spring, spring leaf, spring wire, turn.Locking key piece 5 and positioning key piece 6 can also be selected magnetic material for use, utilize the principle of magnetic material homopolar-repulsion, can save spring, make structure simpler.

Claims (4)

1, a kind of theftproof lock, comprise lock body (1) and the lock core (2) that is rotatably assorted with lock body (1), it is characterized in that: the locking plate (3) that in lock core (2), is provided with some ring-types that are parallel to each other, the outer round surface of locking plate (3) has latching slot (31), the centre of locking plate (3) has circular keyhole, the internal circular surfaces of keyhole has detent projection (34), between lock body (1) and locking plate (3), be provided with locking key block mechanism, locking key block mechanism comprises and radially is arranged on the locking keyway in lock body (1) and the lock core (2) and is arranged on locking key piece (5) and locking spring (51) in the locking keyway that locking key piece (5) is arranged between locking spring (51) and the locking plate (3).
2, theftproof lock according to claim 1, it is characterized in that: the internal circular surfaces at lock core (2) has some annular grooves that are parallel to each other (25), in correspondingly the locking plate of a plurality of ring-types (3) was placed in annular groove (25), the outer round surface of locking plate (3) also had locating slot (32); Between lock body (1) and locking plate (3), be provided with positioning key block mechanism and locking key block mechanism, the positioning key block mechanism comprises and radially is arranged on the positioning spline in lock body (1) and the lock core (2) and is arranged on positioning key piece, retainer spring (61) in the positioning spline that the shape on positioning key piece top is corresponding with locating slot (32); Locking key block mechanism comprises and radially is arranged on the locking keyway in lock body (1) and the lock core (2) and is arranged on locking key piece (5), locking spring (51) in the locking keyway that the width of locking key piece (5) and latching slot (31) adapt.
3, theftproof lock according to claim 1, it is characterized in that: be provided with some porose partitions (8) that are parallel to each other in the endoporus of described lock core (2), locking plate (3) is installed between the partition (8), keyhole in the middle of the locking plate (3) is concentric with the hole in the middle of the partition (8), and the outer round surface of locking plate (3) also has locating slot (32); Between lock body (1) and locking plate (3), be provided with positioning key block mechanism and locking key block mechanism, the positioning key block mechanism comprises and radially is arranged on the positioning spline in lock body (1) and the lock core (2) and is arranged on positioning key piece in the positioning spline that the shape on positioning key piece top is corresponding with locating slot; Locking key block mechanism comprises and radially is arranged on the locking keyway in lock body (1) and the lock core (2) and is arranged on locking key piece (5), locking spring (51) in the locking keyway that the width of locking key piece (5) and latching slot (31) adapt; Have the breach that the shape with locking key piece (5) and positioning key piece adapts on the partition (8).
4, according to claim 1 or 2 or 3 described theftproof locks, it is characterized in that: the outer round surface of locking plate (3) also has interference tank (33).
CN 200520122712 2005-09-20 2005-09-20 Safety lock Expired - Fee Related CN2818690Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520122712 CN2818690Y (en) 2005-09-20 2005-09-20 Safety lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520122712 CN2818690Y (en) 2005-09-20 2005-09-20 Safety lock

Publications (1)

Publication Number Publication Date
CN2818690Y true CN2818690Y (en) 2006-09-20

Family

ID=37004744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520122712 Expired - Fee Related CN2818690Y (en) 2005-09-20 2005-09-20 Safety lock

Country Status (1)

Country Link
CN (1) CN2818690Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102913065A (en) * 2011-08-01 2013-02-06 刘庆敏 Idling lock assembly of blade marble structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102913065A (en) * 2011-08-01 2013-02-06 刘庆敏 Idling lock assembly of blade marble structure
CN102913065B (en) * 2011-08-01 2015-08-19 刘庆敏 A kind of idle-run lock head assembly of blade marble structure

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee