CN202324855U - Double-insurance antitheft lock - Google Patents

Abstract

The utility model relates to a double-insurance antitheft lock. The double-insurance antitheft lock comprises a lock shell, a lock cylinder, a lock bolt and a key, wherein the lock cylinder comprises a first lock cylinder and a second lock cylinder; the first lock cylinder and the second lock cylinder are connected with each other and then are arranged in the lock shell; a sliding chute is formed on the second lock cylinder; a plurality of lock plates are arranged in the second lock cylinder; the ends of the lock plates are positioned in the sliding chute; through holes are formed in the middle of all the lock plates; each lock plate is provided with a corresponding pushing spring; and a circumferential groove corresponding to the lock plates is formed on the inner circumference of the lock shell. The double-insurance antitheft lock is characterized in that: at least two rows of marble holes are formed in the first lock cylinder; corresponding first marbles are arranged in the marble holes; a key rod of the key is hexagonal; holes matched with the first marbles are formed in the hexagonal key rod; steps are formed on the end part of the key rod; the longitudinal diameter of each step is matched with the sizes of the through holes corresponding to the lock plates; and the lock bolt is arranged on the second lock cylinder. The double-insurance antitheft lock has a high anti-theft property and a low interchangeable rate and has the characteristic of difficulty in imitation of the key.

Description

The dual-safety anti-theft lockset

Technical field

The utility model relates to a kind of five metals lockset, is specifically related to a kind of lock of twin-lock core.

Background technology

The variety of configurations of lockset consists essentially of two kinds of locking plate formula and cylinder types at present, and wherein its lock core of the lockset of cylinder type is provided with the pellet shot from a slingshot hole, and pellet shot from a slingshot and spring are set in the pellet shot from a slingshot hole, and the key that is equipped with coupling just constitutes the cylinder type lockset; And the lockset of locking plate formula is that locking plate is set on lock core, also is equipped with corresponding key and gets final product.Like 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 an arbitrary shape; Transmitting key revolving part and driven revolving part is in the cylindrical cavity of revolving part containment vessel; The appearance profile that transmits key revolving part and driven revolving part all is 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; Pellet shot from a slingshot hole on being processed with on the driven revolving part baffle plate that several concentrate in together; The axis parallel in last pellet shot from a slingshot hole is in the axial line of driven revolving part, and last pellet shot from a slingshot hole is a blind hole, and the aperture in last pellet shot from a slingshot hole is facing to driven revolving part; On driven revolving part; Face the processing lower marble hole one by one with last pellet shot from a slingshot hole, lower marble hole is a through hole, the spring of in last pellet shot from a slingshot hole and lower marble hole, packing into successively, on pellet shot from a slingshot and following pellet shot from a slingshot; Form key inspection body, the end as the contact key of following pellet shot from a slingshot is a tip; Transmit key revolving part with end face that driven revolving part contacts on; Avoiding and the face-to-face relative position of lower marble hole; Process one and transmit key groove; Transmitting key groove and be with the one section arc that transmits the largest end face circle on the key revolving part is a groove limit, extend processing to center of circle direction; The degree of depth that transmits key groove is less than the height between two end faces that transmit the key revolving part, and the degree of depth that perhaps transmits key groove equals to transmit the height between two end faces of key revolving part, promptly transmits key groove and between two end faces that transmit the key revolving part, connects; Transmitting in the key groove has stealthy key, appearance profile and the shape that transmits key groove, big or small identical that key is stealthy, and the key of accepting pellet shot from a slingshot check down that on the surface of driven revolving part, has of stealthy key is examined pit; On the inner cylinder face of revolving part protection pipe, at the position processing plug key through hole relative face-to-face with transmitting key groove, the shape of plug key through hole can be a shape arbitrarily; On passive revolving part; At position processing driven revolving part groove relative face-to-face with transmitting key groove; Driven revolving part groove is that one section arc with the largest end face on driven revolving part circle is a groove limit, extend processing to center of circle direction; The degree of depth of groove is less than the height between two end faces of driven revolving part; The degree of depth of perhaps driven revolving part groove equals the height between two end faces of driven revolving part, and promptly driven revolving part groove connects between two end faces of driven revolving part; In the position that faces the axial line that transmits the key revolving part of transmitting key revolving part baffle plate; Bore one with the transmission key revolving part baffle plate central through hole that transmits key revolving part coaxial inner conductor, transmitting has on the key revolving part through transmitting the transmission key revolving part extension rod A that key revolving part baffle plate central through hole extends to the lock cylinder outside; A driven revolving part central through hole is bored in axial line position at driven revolving part; Position at the axial line that faces driven revolving part of driven revolving part baffle plate; Bore a driven revolving part baffle plate central through hole with driven revolving part coaxial inner conductor, transmitting has the transmission key revolving part extension rod B that extends to the lock cylinder outside through driven revolving part central through hole and driven revolving part baffle plate central through hole on the key revolving part; Make transmit the key revolving part drive driven revolving part together synchronously the synchronous rotating mechanism of rotation be: one section end face center with transmission key revolving part of processing is the synchronous rotation groove arc in the center of circle on the end face of the transmission key revolving part that contact with driven revolving part; On driven revolving part; The cylinder installing hole is bored at the position relative with an end face opposite of synchronous rotation groove arc; Synchronous rotating cylindrical is installed in the cylinder installing hole; The part of rotating cylindrical has put in the end of synchronous rotation groove arc synchronously; Synchronously the centering angle angle of rotation groove arc satisfies: when transmitting the driven relatively revolving part of key revolving part and rotated the pairing centering angle angle of synchronous rotation groove arc; Transmit the key revolving part and just in time stealthy key is sent to and lets down pellet shot from a slingshot that key is examined pit below the lower marble hole to test, at this moment, the other end that rotates the groove arc synchronously also just in time touches synchronous rotating cylindrical; Rotation groove arc and cylinder installing hole or exchange Working position synchronously each other.

And for example publication number is CN101235686, and name is called the application for a patent for invention of lock core structure, discloses following content: a kind of lock core structure; Be to utilize lock core (1) to be embedded a plurality of lock sheet groups, said lock core has keyhole and at least two spaces of embedded hole to provide at least two locking part displacements to embed, and said lock core, a plurality of lock sheet groups and locking part are tight with in the shell; It is characterized in that; Said lock sheet groups comprises: distance piece, be embedded in the said lock core, and said distance piece is provided with the key through hole that supplies key to pass through; And be provided with two slide rails, and said distance piece is provided with the fixing groove that supplies said locking part to slip in the position corresponding to said embedded hole; First locking plate is provided with sliding part, makes it can be along the slide rail displacement on the said distance piece, and convexes with the first key push rod in the side near said keyhole, and is provided with first embedded groove in a side of the said fixing groove of correspondence; Second locking plate; Be provided with sliding part; Make the said sliding part can be along the slide rail displacement on the said distance piece, and said second locking plate and said first locking plate relatively be arranged on the distance piece, said second locking plate convexes with the second key push rod in the side near said keyhole; And be provided with second embedded groove in a side of the said fixing groove of correspondence; And said second locking plate is provided with replaces bar, makes said replacing between bar and the said first key push rod be able to be provided with flexible member, but makes said first locking plate and said second locking plate form the structure of interlock.

Such as the lock core of above-mentioned cylinder type or locking plate formula, its mutual opening rate is high, and the robber can carry out technical opening simultaneously, and key can be copied at any time, and theftproof performance is not high.

Summary of the invention

In view of the deficiency that background technology exists, the technical problem that the utility model will solve provides the dual-safety anti-theft lockset that a kind of mutual opening rate is low and theftproof performance is high.

For this reason, the utility model adopts following technical scheme to realize: a kind of dual-safety anti-theft lockset comprises lock shell, lock core, dead bolt and key; Said lock core comprises first lock core and second lock core, and said first lock core places in the said lock shell after second lock core connects, and offers chute on said second lock core; And some locking plates are set in second lock core, the end of said locking plate is positioned at said chute, and opens through hole at each sheet locking plate middle part; Wherein each locking plate has corresponding pushing top spring, is provided with the circumferential groove corresponding with said locking plate week in the said lock shell, it is characterized in that being provided with at least on said first lock core two row's pellet shot from a slingshot holes; Said pellet shot from a slingshot hole is built-in with corresponding first pellet shot from a slingshot; The key bar part six prismatic shapes of said key, and on the key bar of six prismatic shapes, be provided with the shrinkage pool that matees with said first pellet shot from a slingshot, be provided with ladder in the end of key bar; The hole size coupling of vertical diameter of each grade ladder and corresponding locking plate wherein, said dead bolt is arranged on second lock core.

Offer groove on said first lock core, said second lock core is provided with lug, said lug and said groove coupling, and said lug is connected said first lock core after inserting said groove with second lock core.

In the utility model, adopt the special construction of twin-lock core and key, greatly reduce the mutual opening rate of lockset; Seeing from lock shell outside, is frame mode that can't see inner two lock cores, therefore; Also just can't carry out technical opening, and the key of this structure, imitated comparatively difficulty.

Description of drawings

Combine accompanying drawing to further describe the relevant details of the utility model below again.

Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model;

Fig. 2 is the radial junction composition of the utility model lock shell;

Fig. 3 is the sectional view of the utility model Fig. 2 along A-A.

The specific embodiment

With reference to accompanying drawing; This dual-safety anti-theft lockset comprises lock shell 10, lock core, dead bolt 19 and key 1, and said lock core comprises first lock core 6 and second lock core 16; Said first lock core 6 places in the said lock shell 10 after second lock core 16 connects; Specifically, first lock core 6 is connected with second lock core 16 like this: offer groove 21 on said first lock core 6, said second lock core 16 is provided with lug 14; Said lug 14 and said groove 21 couplings are connected said first lock core 6 after said lug 14 inserts said groove 21 with second lock core 16.Offer chute 15 on said second lock core 16, and in second lock core 16, some locking plates 17 are set, the end of said locking plate 17 is positioned at said chute 15; And open through hole 20 at each sheet locking plate 17 middle part, wherein each locking plate 17 has corresponding pushing top spring 18, is provided with the circumferential groove 13 corresponding with said locking plate 17 in the said lock shell 10 week; Said lock shell 10 inwalls also are provided with axial elongated slot 12; Said first lock core 6 is provided with three row's pellet shot from a slingshot holes 5, wherein has two row's pellet shot from a slingshot holes 5 to be arranged on the both sides of first lock core, 6 keyholes, and another row's pellet shot from a slingshot hole is vertical with pellet shot from a slingshot hole, first lock core, 6 both sides; Said pellet shot from a slingshot hole 5 is built-in with corresponding first pellet shot from a slingshot 7; On lock shell 10, be provided with simultaneously the pellet shot from a slingshot hole 11 corresponding with first lock core 6, this pellet shot from a slingshot hole 11 is built-in with corresponding second pellet shot from a slingshot 8 and the spring 9, the key bar 2 parts six prismatic shapes of said key 1; And on the key bar 2 of six prismatic shapes, be provided with the shrinkage pool 3 with said first pellet shot from a slingshot 7 coupling; Be provided with ladder 4 in the end of key bar 2, the through hole 20 size couplings of vertical diameter of each grade ladder and corresponding locking plate 17 wherein, said dead bolt 19 is arranged on second lock core 16.

The operating principle of the utility model is such, and during locking, second pellet shot from a slingshot 8 can not rotate the lock core 6 of winning because the effect of spring 9 makes second pellet shot from a slingshot 8 go in the pellet shot from a slingshot hole 5 of first lock core 6 in lock shell 10; Three locking plates 17 are because the effect of pushing top spring 18 simultaneously; Together overlapped; The end of locking plate 17 all is positioned at chute 15, and the end of locking plate 17 also all is positioned at the axial elongated slot 12 of said lock shell 10, and the end of locking plate 17 interlaces with circumferential grooves 13 in the lock shell 10; Thereby second lock core 16 can not the lock shell 10 in the rotation, so just be in blocking.When the robber observes through the keyhole on first lock core 6, be the concrete structure that can't see second lock core 16, therefore, can prevent that the robber from carrying out technical opening, its theftproof performance is very high.When unblanking, insert key 1, at first three ladders 4 on the key 1 pass the through hole 20 on the locking plate 17; Because vertical diameter of ladder 4 is from small to large, thereby, can promote three locking plates 17 and separate; Make the end of locking plate 17 get into corresponding circumferential groove 13 on the lock shell 10 separately, make locking plate 17 in circumferential groove 13, rotate, and after first pellet shot from a slingshot, 7 couplings on the shrinkage pool 3 on the six prismatic shape key bars 2 of key 1 and first lock core 6; The pellet shot from a slingshot 7 of winning is all placed in the pellet shot from a slingshot hole 5 of first lock core 6, and second pellet shot from a slingshot 8 all place in the pellet shot from a slingshot hole 11 of lock shell 10, makes the pellet shot from a slingshot 7 of winning concordant with the periphery of first lock core 6; At this moment, key 1 just can drive second lock core 16 and first lock core 6 rotates; The dead bolt 19 that drives on second lock core 16 rotates, and reaches the purpose of unblanking.

Claims (2)

1. a dual-safety anti-theft lockset comprises lock shell (10), lock core, dead bolt (19) and key (1), and said lock core comprises first lock core (6) and second lock core (16); Said first lock core (6) places in the said lock shell (10) after second lock core (16) connects; Offer chute (15) on said second lock core (16), and in second lock core (16), some locking plates (17) are set, the end of said locking plate (17) is positioned at said chute (15); And open through hole (20) at each sheet locking plate (17) middle part; Wherein each locking plate (17) has corresponding pushing top spring (18), is provided with the circumferential groove (13) corresponding with said locking plate (17) interior week of said lock shell (10), it is characterized in that being provided with at least on said first lock core (6) two row pellet shot from a slingshot holes (5); Said pellet shot from a slingshot hole (5) is built-in with corresponding first pellet shot from a slingshot (7); Key bar (2) the part six prismatic shapes of said key (1), and on the key bar (2) of six prismatic shapes, be provided with the shrinkage pool (3) that matees with said first pellet shot from a slingshot (7), be provided with ladder (4) in the end of key bar (2); Through hole (20) the size coupling of vertical diameter of each grade ladder (4) and corresponding locking plate (17) wherein, said dead bolt (19) is arranged on second lock core (16).

2. dual-safety anti-theft lockset according to claim 1; It is characterized in that offering on said first lock core (6) groove (21); Said second lock core (16) is provided with lug (14); Said lug (14) and said groove (21) coupling, said lug (14) is connected said first lock core (6) after inserting said groove (21) with second lock core (16).

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