CN102650179B

CN102650179B - Burglar-proof lockset

Info

Publication number: CN102650179B
Application number: CN201110420905.0A
Authority: CN
Inventors: 朱阿静
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-30
Filing date: 2011-11-30
Publication date: 2014-07-09
Anticipated expiration: 2031-11-30
Also published as: CN102650179A

Abstract

The invention discloses a burglar-proof lockset, which comprises a lock shell, a lock core, a latch and a key. The burglar-proof lockset is characterized in that the lock core comprises a first lock core and a second lock core; the first lock core is connected with the second lock core firstly and is placed in the lock shell; symmetrical marble holes are arranged at two sides of a key hole of the first lock core; corresponding marbles are arranged in the marble holes; a sliding chute is arranged in the second lock core; a plurality of lock blades are arranged in the second lock core; the end part of each lock blade is located in the sliding chute, and a through hole is arranged at the middle part of each lock blade; each lock blade is provided with a corresponding ejection spring; a circumferential groove corresponding to each lock blade is arranged in the internal circumference of the lock shell; concave holes matched with the marbles are arranged in the key; steps are arranged on the key; the longitudinal breadth of each step is matched with the longitudinal breadth of the through holes of the corresponding lock blades; and the latch is arranged on the second lock core. The burglar-proof lockset with the structure provided by the invention is low in mutual unlocking rate, and strong in burglar-proof performance.

Description

Lock

Technical field

The present invention relates to a kind of five metals lockset, what be specifically related to is the lock that cylinder type lockset is combined with sheet type lockset.

Background technology

The variety of configurations of lockset, consists essentially of two kinds of sheet type and cylinder types at present, wherein on its lock core of the lockset of cylinder type, is provided with marble hole, and pellet and spring are set in marble hole, and the key that is equipped with coupling just forms cylinder type lockset; And the lockset of sheet type is that locking plate is set on lock core, be also equipped with corresponding key.If notification number is CN202039673U, the utility model patent of title lock cylinder, following content is disclosed: a kind of lock cylinder, it is characterized in that transmitting key revolving part baffle plate, driven revolving part baffle plate and revolving part protection pipe secure bond and form the revolving part containment vessel that surrounds transmission key revolving part and driven revolving part, the shape of the inner chamber of revolving part containment vessel is cylindrical, and the external surface of revolving part containment vessel can be arbitrary shape, transmit in key revolving part and the cylindrical cavity of driven revolving part in revolving part containment vessel, the appearance profile that transmits key revolving part and driven revolving part is all cylindrical, transmit the diameter of key revolving part and driven revolving part, with the equal diameters of the inner chamber of revolving part containment vessel, the height sum that transmits key revolving part and driven revolving part equates with the height of the inner chamber of revolving part containment vessel, on driven revolving part baffle plate, be processed with several upper marble holes that concentrate in together, the axis parallel of upper marble hole is in the axial line of driven revolving part, upper marble hole is blind hole, the aperture of upper marble hole is facing to driven revolving part, on driven revolving part, face one by one processing lower marble hole with upper marble hole, lower marble hole is through hole, in upper marble hole and lower marble hole, pack into successively spring, on pellet and lower pellet, composition key inspection body, one end as contact key of lower pellet is tip, transmitting on the end face contacting with driven revolving part of key revolving part, avoiding and the face-to-face relative position of lower marble hole, process one and transmit key groove, transmit key groove and be the one section of arc that transmits largest end face on key revolving part circle and be a limit, to the groove of center of circle direction deep processing, the degree of depth that transmits key groove is less than the height between two end faces that transmit key revolving part, or transmit the height between two end faces that the degree of depth of key groove equals to transmit key revolving part, transmit key groove connects between two end faces that transmit key revolving part, transmit in key groove and have stealthy key, the appearance profile that key is stealthy is identical with shape, the size of transmission key groove, and the key of accepting lower pellet check that has on the surface of driven revolving part of stealthy key is examined pit, on the inner cylinder face of revolving part protection pipe, with transmit key groove relative plug key through hole of position processing face-to-face, the shape of plug key through hole can be shape arbitrarily, on passive revolving part, processing a driven revolving part groove with the face-to-face relative position of transmission key groove, driven revolving part groove be take one section of arc of the largest end face circle on driven revolving part as a limit, to the groove of center of circle direction deep processing, the degree of depth of groove is less than the height between two end faces of driven revolving part, or the degree of depth of driven revolving part groove equals the height between two end faces of driven revolving part, and driven revolving part groove connects between two end faces of driven revolving part, in the position that faces the axial line that transmits key revolving part of transmitting key revolving part baffle plate, bore one and transmit the transmission key revolving part baffle plate central through hole of key revolving part coaxial inner conductor, transmit and on key revolving part, have the transmission key revolving part extension rod A that extends to lock cylinder outside by transmitting key revolving part baffle plate central through hole, a driven revolving part central through hole is bored in axial line position at driven revolving part, in the position of the axial line that faces driven revolving part of driven revolving part baffle plate, bore the driven revolving part baffle plate central through hole of and driven revolving part coaxial inner conductor, transmit and on key revolving part, have the transmission key revolving part extension rod B that extends to lock cylinder outside by driven revolving part central through hole and driven revolving part baffle plate central through hole, make to transmit key revolving part drive driven revolving part together the synchronous rotating mechanism of synchronous rotary be: on the end face of the transmission key revolving part contacting with driven revolving part, process one section to transmit the end face center of key revolving part as the synchronous rotary groove arc in the center of circle, on driven revolving part, bore cylinder installing hole with the face-to-face relative position, one end of synchronous rotary groove arc, synchronous rotary cylinder is installed in cylinder installing hole, a part for synchronous rotary cylinder has put in one end of synchronous rotary groove arc, the centering angle angle of synchronous rotary groove arc meets: when transmitting key revolving part in the time that driven revolving part has rotated the corresponding centering angle angle of synchronous rotary groove arc, transmitting key revolving part is just in time sent to stealthy key and allows lower pellet be examined pit to key below lower marble hole to test, now, the other end of synchronous rotary groove arc also just in time touches synchronous rotary cylinder, synchronous rotary groove arc and cylinder installing hole or mutually exchange Working position.

And for example publication number is CN101235686, name is called the application for a patent for invention of lock core structure, following content is disclosed: a kind of lock core structure, to utilize lock core (1) to be embedded multiple lock sheet groups, keyhole and at least two embedded holes space to provide at least two locking part displacements to embed are provided described lock core, and described lock core, multiple lock sheet groups and locking part are tight with in shell, it is characterized in that, described lock sheet groups comprises: distance piece, be embedded in described lock core, described distance piece is provided with the key through hole passing through for key, and be provided with two slide rails, and described distance piece is being provided with the fixing groove slipping into for described locking part corresponding to the position of described embedded hole, the first locking plate, is provided with sliding part, makes it can be along the slide rail displacement on described distance piece, and convexes with the first key push rod in a side that approaches described keyhole, and is provided with the first embedded groove in a side of the described fixing groove of correspondence, the second locking plate, be provided with sliding part, make the described sliding part can be along the slide rail displacement on described distance piece, and described the second locking plate and described the first locking plate are relatively arranged on distance piece, described the second locking plate convexes with the second key push rod in a side that approaches described keyhole, and be provided with the second embedded groove in a side of the described fixing groove of correspondence, and described the second locking plate is provided with supports bar, described in making, support between bar and described the first key push rod flexible member be set, make described the first locking plate and described the second locking plate form can interlock structure.

The lockset of all cylinder types described above or sheet type, its mutual opening rate is still higher, and robber can also carry out technical unlatching simultaneously, and its theftproof performance is not very high.

Summary of the invention

In view of the deficiency that background technology exists, it is low that the technical problem to be solved in the present invention is to provide a kind of mutual opening rate, the lock that theftproof performance is high.

For this reason, the present invention adopts following technical scheme to realize: a kind of lock, comprise lock housing, lock core, dead bolt and key, it is characterized in that described lock core comprises the first lock core and the second lock core, described the first lock core is placed in described lock housing after being connected with the second lock core together, the keyhole both sides of described the first lock core are provided with symmetrical marble hole, described marble hole is built-in with corresponding pellet and the first spring, on described the second lock core, offer chute, and in the second lock core some locking plates at this moment, the end of described locking plate is positioned at described chute and opens through hole at each locking plate middle part, wherein each locking plate is with corresponding pushing top spring, in described lock housing, be provided with the circumferential groove corresponding with described locking plate week, the described shrinkage pool mating with described the first pellet that is provided with on the key, and be provided with on the key ladder, wherein longitudinal width coupling of longitudinal width of every one-level ladder and corresponding locking plate through hole, described dead bolt is arranged on the second lock core.

Wherein at least one marble hole, pellet is made up of jacket casing and slide core, and described jacket casing is enclosed within described slide core.

On described the first lock core, offer groove, on described the second lock core, be provided with lug, described lug mates with described groove, and described lug is connected described the first lock core after inserting described groove with the second lock core.

In the present invention, the lock core of cylinder type and sheet type is carried out to combination, its mutual opening rate is reduced greatly, only three row's pellets and three locking plates are example, just can form in theory 350,000 more than lockset, and observe in keyhole, robber cannot learn the concrete structure of lock core, also just prevent that it from carrying out technical opening, so its theftproof performance is very high.

Accompanying drawing explanation

Further describe the present invention by reference to the accompanying drawings more below.

Fig. 1 is STRUCTURE DECOMPOSITION figure of the present invention;

Fig. 2 is the radial view of lock housing of the present invention;

Fig. 3 is the sectional view of Fig. 2 of the present invention along A-A.

The specific embodiment

With reference to accompanying drawing, this lock, comprise lock housing 14, lock core, dead bolt 20 and key 1, described lock core comprises the first lock core 4 and the second lock core 18, together with after described the first lock core 4 connects with the second lock core 18, be placed in described lock housing 14, specifically, the first lock core 4 is connected like this with the second lock core 18: on described the first lock core 4, offer groove 5, on described the second lock core 18, be provided with lug 16, described lug 16 mates with described groove 5, and described lug 16 is connected described the first lock core 4 after inserting described groove 5 with the second lock core 18.After such the first lock core 4 rotates, just can drive the second lock core 18 to rotate, form annexation.Keyhole 11 both sides of described the first lock core 4 are provided with symmetrical marble hole 12, wherein each side is all provided with three marble holes 12, described marble hole 12 is built-in with corresponding the first pellet 6, in lock housing 14, be provided with the marble hole 13 corresponding with the first lock core 4 simultaneously, in this marble hole 13, be provided with second pellet 7 corresponding with the first pellet 6 and the first spring 8, on described the second lock core 18, offer chute 17, and three locking plates 21 are set the second lock core 18 is interior, the end of described locking plate 21 is positioned at described chute 17, and open through hole 22 at each locking plate 21 middle parts, wherein each locking plate 21 is with corresponding pushing top spring 19, as shown in the figure, wherein two thinner pushing top springs 19 withstand the locking plate 21 of inner side, locking plate 21 in the middle of another two pushing top springs 19 withstand, thicker pushing top spring 19 withstands outermost locking plate 21, described interior week of lock housing 14 is provided with the circumferential groove 15 corresponding with described locking plate 21, and at described lock housing 14 inner shafts to being provided with the elongated slot 23 corresponding with chute 17 on described the second lock core 18, this elongated slot 23 communicates with described circumferential groove 15, described key 1 is provided with the shrinkage pool 2 mating with described the first pellet 6, and on key 1, be provided with ladder 3, wherein longitudinal width coupling of longitudinal width of every one-level ladder 3 and the through hole 22 of corresponding locking plate 21, described dead bolt 20 is arranged on the second lock core 18.

Operating principle of the present invention is such, and when locking, the second pellet 7, due to the effect of the first spring 8, enters in the marble hole of the first lock core 4 the second pellet 7, makes the first lock core 4 can not be in the interior rotation of lock housing 14; While three locking plates 21 are due to the effect of pushing top spring 19, together overlapped, the end of locking plate 21 is all positioned at chute 17, and the end of locking plate 21 is also all positioned at the axial elongated slot 23 of described lock housing 14, circumferential groove 15 in the end of locking plate 21 and lock housing 14 is staggered, thereby second lock core 18 can not be in the interior rotation of lock housing 14, so just in blocking.When robber observes by the keyhole 11 on the first lock core 4, be the concrete structure that cannot see the second lock core 18, therefore, can prevent that robber from carrying out technical opening, its theftproof performance is very high.While unblanking, insert key 1, first three ladders 3 on key 1 are through the through hole 22 on locking plate 21, due to longitudinal width of ladder 3 from small to large, thereby, can promote three locking plates 21 separates, make the end of locking plate 21 enter separately corresponding circumferential groove 15 in lock housing 14, locking plate 21 is rotated in circumferential groove 15, and after shrinkage pool 2 on key 1 mates with the first pellet 6 on the first lock core 4, make the first pellet 6 all be placed in the marble hole interior 12 of the first lock core 4, and the second pellet 7 is all placed in the marble hole 13 of lock housing 14, make the first pellet 6 concordant with the periphery of the first lock core 4, now, rotate key 1, just can drive the second lock core 18 and the first lock core 4 to rotate, drive the dead bolt 20 on the second lock core 18 to rotate, and reach the object of unblanking.

In the present invention, no matter be the marble hole 12 on the first lock core 4, or the marble hole 13 in lock housing 14, wherein the pellet at least one marble hole is made up of jacket casing 10 and slide core 9, and described jacket casing 10 is enclosed within described slide core 9.When robber carries out technical opening like this, jacket casing 10 is moved, and that slide core 9 is slided is lockable, slide core 9 is moved, and jacket casing 10 slides and can realize locking, thereby, be difficult to carry out technical opening, more improve theftproof performance.

Claims

1. a lock, comprise lock housing (14), lock core, dead bolt (20) and key (1), it is characterized in that described lock core comprises the first lock core (4) and the second lock core (18), together with after described the first lock core (4) connects with the second lock core (18), be placed in described lock housing (14), keyhole (11) both sides of described the first lock core (4) are provided with symmetrical marble hole (12), described marble hole (12) is built-in with corresponding the first pellet (6), on described the second lock core (18), offer chute (17), and some locking plates (21) are set in the second lock core (18), the end of described locking plate (21) is positioned at described chute (17), and open through hole (22) at each locking plate (21) middle part, wherein each locking plate (21) is with corresponding pushing top spring (19), be provided with the circumferential groove (15) corresponding with described locking plate (21) interior week of described lock housing (14), described key (1) is provided with the shrinkage pool (2) mating with described the first pellet (6), and on key (1), be provided with ladder (3), wherein longitudinal width coupling of longitudinal width of every one-level ladder and the through hole (22) of corresponding locking plate (21), described dead bolt (20) is arranged on the second lock core (18).

2. lock according to claim 1, it is characterized in that wherein interior the first pellet (6) of at least one marble hole (12) is made up of jacket casing (10) and slide core (9), described jacket casing (10) is enclosed within described slide core (9).

3. lock according to claim 1, it is characterized in that offering on described the first lock core (4) groove (5), on described the second lock core (18), be provided with lug (16), described lug (16) mates with described groove (5), and described lug (16) is connected described the first lock core (4) after inserting described groove (5) with the second lock core (18).