CN2639455Y

CN2639455Y - Anti-theft lock with cipher used on window

Info

Publication number: CN2639455Y
Application number: CN 03273553
Authority: CN
Inventors: 龚武
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-15
Filing date: 2003-08-15
Publication date: 2004-09-08
Anticipated expiration: 2013-08-15

Abstract

The utility model relates to an anti-theft lock with cipher used on window including a panel, a press button, a C-type card, a transversal plate, a press button spring, a back cover, a lock box, a lock latch, a lock latch spring, complex number grouped code disc, a shaft sleeve, a tail rack, a spacer, an unlocking frame, and a toggle block. The press key has a spigot pin which is hollow and has axial slots on both sides. The transversal plate passes through the axial slots in the radial direction. The press button spring is arranged inside the spigot pin. The C-type card is arranged on the circular slot of the spigot pin. Convex strips are provided on the side wall of the spigot pin. A bus duct and a complex number of circular slots are provided on the lock shaft. The quantity of the circular slots corresponds with that of the code disc and the shaft sleeve. The shaft sleeves are suited on the lock shaft successively. Convex blocks are provided on the internal wall of the shaft sleeve. When the lock latch extends out, the convex block is located inside the circular slots. External teeth are provided on the external wall of the shaft sleeve, and internal teeth are provided on the internal wall of the code disc. Support legs are provided on the front end of the lock frame to hook with the support lugs of the lock latch. The toggle block provides a support column riveting with the back end of the unlocking frame. The utility model has the advantages of simple structure, convenient operation and reliable locking.

Description

The cipher anti theft sash lock

(1) technical field

The utility model relates to the lock on a kind of slide door or window or the flat-open door and window, especially a kind of cipher anti theft sash lock.

(2) background technology

The lock of existing slide door or window or flat-open door and window is more easily opened, non insurance.As adopt the lock of being with key, use cumbersome again.

(3) summary of the invention

The purpose of this utility model is to provide a kind of easy to use, reliable cipher anti theft sash lock of locking.

For achieving the above object, the utility model is by the following technical solutions:

A kind of cipher anti theft sash lock, comprise a panel, one button, one C type card, one transverse slat, one presses key spring, one bonnet, one lock box, one dead bolt, one latch bolt spring, plural groups digital disk and axle sleeve, one tailstock, one spacer, an one release frame and a pulling block, button has the hitching post that passes panel and bonnet, hitching post hollow and both sides have axial groove, transverse slat radially passes axial groove, be positioned at hitching post by key spring, transverse slat under the effect of pressing key spring against bonnet, the C type is installed on the annular groove of hitching post to stop button to be ejected by key spring, the corresponding dead bolt of hitching post sidewall place is provided with raised line, dead bolt blocks button by cooperating with raised line, dead bolt, latch bolt spring, digital disk, axle sleeve, tailstock, spacer and release frame are located in the lock box, dead bolt has lock shaft, the lock shaft end inserts in the tailstock, establish a busway and a plurality of cannelure on the lock shaft, the quantity of the quantity of cannelure and digital disk and axle sleeve is corresponding, axle sleeve is enclosed within on the lock shaft successively, latch bolt spring withstands between dead bolt and the axle sleeve axle sleeve backup tailstock, sleeve lining is provided with the projection that can enter busway and cannelure, at the dead bolt At time of eject, projection just in time is positioned at cannelure, the axle sleeve outer wall is provided with external tooth, thereby the digital disk inwall is provided with internal tooth and meshes with axle sleeve, all be provided with open-work on panel and the spacer, the digital disk part is embedded in this open-work and axial location, release frame and lock shaft be arranged in parallel, release frame front end is provided with supporting leg, supporting leg colludes mutually with the journal stirrup of dead bolt, pulling block has the chute that passes on the panel, and with the pillar of release back end of frame riveted joint, pulling block borrows the release frame to drive the dead bolt retraction.

The technical program can also be further improved by following technical measures.

The quantity of digital disk is three.Has not only certain safety factor but also easy to operate.

The utility model is simple and reasonable, and is easy to use, and locking is reliable, prevents children's maloperation, and theftproof performance is good, and cost is low, and is easy to maintenance.

(4) description of drawings

Fig. 1 is the structural representation of the utility model lock-out state;

Fig. 2 is the structural representation of the utility model released state;

Fig. 3 is the A-A cutaway view Amplified image of lock shaft 19 among Fig. 1, digital disk 10 and axle sleeve 11;

Fig. 4 is the B-B cutaway view Amplified image of lock shaft 19 among Fig. 1, digital disk 10 and axle sleeve 11;

Fig. 5 is the C-C cutaway view Amplified image of lock shaft 19 among Fig. 2, digital disk 10 and axle sleeve 11;

Fig. 6 is that lock shaft 19, digital disk 10 and axle sleeve 11 are in the not schematic diagram of decoded state;

Fig. 7 is the vertical view of dead bolt 8 among Fig. 1;

Fig. 8 is the structural representation of release frame 14;

Fig. 9 is the vertical view of Fig. 8.

(5) specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

As shown in the figure, a kind of cipher anti theft sash lock, it is characterized in that it comprises a panel 1, one button 2, one C type card 3, one transverse slat 4, one presses key spring 5, one bonnet 6, one lock box 7, one dead bolt 8, one latch bolt spring 9, three groups of digital disks 10 and axle sleeve 11, one tailstock 12, one spacer 13, an one release frame 14 and a pulling block 15, button 2 has the hitching post 16 that passes panel 1 and bonnet 6, hitching post 16 hollows and both sides have axial groove 17, transverse slat 4 radially passes axial groove 17, be positioned at hitching post 16 by key spring 5, transverse slat 4 under the effect of pressing key spring 5 against bonnet 6, C type card 3 is contained on the annular groove of hitching post 16 to stop button 2 to be ejected by key spring 5, the corresponding dead bolt of hitching post 16 sidewalls 8 places are provided with raised line 18, dead bolt 8 blocks button 2 by cooperating with raised line 18, dead bolt 8, latch bolt spring 9, digital disk 10, axle sleeve 11, tailstock 12, spacer 13 and release frame 14 are located in the lock box 7, dead bolt 8 has lock shaft 19, lock shaft 19 ends insert in the tailstock 12, establish a busway 20 and three cannelures 21 on the lock shaft 19, axle sleeve 11 is enclosed within on the lock shaft 19 successively, latch bolt spring 9 withstands between dead bolt 8 and the axle sleeve 11 axle sleeve 11 backup tailstocks 12, axle sleeve 11 inwalls are provided with the projection 22 that can enter busway 20 and cannelure 21, at dead bolt 8 At time of ejects, projection 22 just in time is positioned at cannelure 21, axle sleeve 11 outer walls are provided with external tooth 23, thereby digital disk 10 inwalls are provided with internal tooth 24 and axle sleeve 11 engagements, all be provided with open-work on panel 1 and the spacer 13, digital disk 10 parts are embedded in this open-work and axial location, release frame 14 be arranged in parallel with lock shaft 19, release frame 14 front ends are provided with supporting leg 25, supporting leg 25 colludes mutually with the journal stirrup 26 of dead bolt 8, pulling block 15 has the chute 27 that passes on the panel 1, and with the pillar 28 of release frame 14 rear ends riveted joint, pulling block 15 borrows release frame 14 to drive dead bolt 8 retractions.

In Fig. 1,3, projection 22 is positioned at cannelure 21 and over against busway 20, promptly digital disk 10 is in decoded state.In Fig. 2,5, projection 22 enters busway 20.In Fig. 6, projection 22 is positioned at cannelure 21 and staggers with busway 20, and dead bolt 8 can't move.

When desiring to unblank, regulate digital disk 10, make sash lock enter into state shown in Fig. 1,3 by state shown in Figure 6, push away pulling block 15 left, by release frame 14 dead bolt 8 is drawn in the lock box 7, thus dead bolt 8 and raised line 18 disengagements, and button 2 is subjected to pop up by the effect of key spring 5.

When desiring to lock, depress button 2, dead bolt 8 blocks raised line 18 under latch bolt spring 9 effects, rotate digital disk 10 more arbitrarily, and dead bolt 8 and lock shaft 19 are locked by axle sleeve 11, and pulling block 15 can't move.

Claims

1, a kind of cipher anti theft sash lock, it is characterized in that it comprises a panel, one button, one C type card, one transverse slat, one presses key spring, one bonnet, one lock box, one dead bolt, one latch bolt spring, plural groups digital disk and axle sleeve, one tailstock, one spacer, an one release frame and a pulling block, button has the hitching post that passes panel and bonnet, hitching post hollow and both sides have axial groove, transverse slat radially passes axial groove, be positioned at hitching post by key spring, transverse slat under the effect of pressing key spring against bonnet, the C type is installed on the annular groove of hitching post to stop button to be ejected by key spring, the corresponding dead bolt of hitching post sidewall place is provided with raised line, dead bolt blocks button by cooperating with raised line, dead bolt, latch bolt spring, digital disk, axle sleeve, tailstock, spacer and release frame are located in the lock box, dead bolt has lock shaft, the lock shaft end inserts in the tailstock, establish a busway and a plurality of cannelure on the lock shaft, the quantity of the quantity of cannelure and digital disk and axle sleeve is corresponding, axle sleeve is enclosed within on the lock shaft successively, latch bolt spring withstands between dead bolt and the axle sleeve axle sleeve backup tailstock, sleeve lining is provided with the projection that can enter busway and cannelure, at the dead bolt At time of eject, projection just in time is positioned at cannelure, the axle sleeve outer wall is provided with external tooth, thereby the digital disk inwall is provided with internal tooth and meshes with axle sleeve, all be provided with open-work on panel and the spacer, the digital disk part is embedded in this open-work and axial location, release frame and lock shaft be arranged in parallel, release frame front end is provided with supporting leg, supporting leg colludes mutually with the journal stirrup of dead bolt, pulling block has the chute that passes on the panel, and with the pillar of release back end of frame riveted joint, pulling block borrows the release frame to drive the dead bolt retraction.

2, cipher anti theft sash lock according to claim 1 is characterized in that: the quantity of digital disk is three.