CN2511764Y

CN2511764Y - Security lock

Info

Publication number: CN2511764Y
Application number: CN 01258370
Authority: CN
Inventors: 丁纪翊
Original assignee: DONGGUAN QINGCHANG HARDWARE PRODUCTS Co Ltd
Current assignee: DONGGUAN QINGCHANG HARDWARE PRODUCTS Co Ltd
Priority date: 2001-11-30
Filing date: 2001-11-30
Publication date: 2002-09-18
Anticipated expiration: 2011-11-30

Abstract

The utility model relates to the lock technical field, in particular to a security lock with firm structure and safe and sound use. The technical proposal is that: a lock core, a latch bolt component, a dead bolt component and a handlebar are all arranged in a lock box, the lock box is provided with a through hole which is a little bit bigger than a pointed blot, a chock block is fastened in a corresponding runner; a plurality of anti-theft bars are arranged in the dead blot; a tail board provided with a plurality of slots and a square shaft stretches out of one end of the dead blot; two ends of the square shaft are fastened in the runner of the lock box, two sliding blocks are provided with corresponding fastening holes and runners, the two sliding blocks are superposed together and sleeved on pins of the lock box. With the structure, the utility model ensures the safety of the lock and adopts multiple break structures to optimize the break performance greatly.

Description

A kind of theftproof lock

Technical field:

The utility model relates to lock technology field, refers in particular to a kind of sound construction, safe and reliable theftproof lock.

Background technology:

Door mortise lock commonly used on the market at present if divide by the number of dead bolt, mainly can be divided into two parts: the lock of monolock tongue structure and many dead bolts structure.Wherein the lock construction of monolock tongue structure is fairly simple, and security performance and braking ability are not fine.For the lock of many dead bolts structure, it generally adopts double lock tongue, and security performance just improves greatly like this, but because the increase of dead bolt quantity complicates the structure of lock, its braking ability generally is difficult to reach, and the dead bolt of this two classes lock can only singlely use, and can't reverse and realize two-way use.Goal of the invention:

The purpose of this utility model just be to provide a kind of structure more firmly, superior, the safe and reliable theftproof lock of braking ability.

Summary of the invention:

The utility model is achieved by the following technical solution: locking face is fixed on an end of lock box, and lock box was made up of the lock end and locking closure, and lock core, sharp dead bolt assembly, Square lock bolt assembly and handle all are installed in the lock box.Offer a through hole that is slightly larger than sharp dead bolt on the lock box, a block is fastened in the corresponding chute; Be provided with some antitheft rods in the Square lock bolt; One end of Square lock bolt extends a tailgate, has some draw-in grooves and be provided with a square shaft on the tailgate, and the two ends of square shaft are fastened in the chute on the lock box.Two slide blocks offer corresponding hole clipping and chute, and on the superimposed pin that is socketed on the lock box of two slide blocks.

After adopting this structure, at first can make in the through hole of sharp dead bolt in lock box and rotate, the lock two sides can be used by stirring block.Secondly in Square lock bolt, be equipped with some antitheft rods, so promptly use saw blade to saw Square lock bolt,, make it to be difficult for sawed-off, guaranteed the security performance of lockset because the antitheft rod in the Square lock bolt can roll under the sawtooth effect.At last, the utility model has adopted multiple brake structure, makes braking ability more superior.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is further described:

Fig. 1 is a stereogram of the present utility model;

Fig. 2 is a plane structure chart of the present utility model;

Fig. 3 is the three-dimensional structure diagram of the utility model Square lock bolt;

Fig. 4 is the three-dimensional structure diagram of the utility model slide block 52;

Fig. 5 is the three-dimensional structure diagram of the utility model slide block 53;

Fig. 6 is the three-dimensional structure diagram of the utility model lock core.

The specific embodiment:

See accompanying

drawing

1,2,3,4,5,6, the utility model comprises: locking face 1, lock box 2, lock core 3, sharp dead bolt assembly 4, Square lock bolt assembly 5 and handgrip 6.Lock box 2 comprises the lock end 21 and locking closure 22, and locking face 1 is fixed on the lock one side at the end 21, and the lock end 21 and locking closure 22 are in the same place by screw.Lock core 3, sharp dead bolt assembly 4, Square lock bolt assembly 5 and handgrip 6 all are installed in the lock box 2.

Offer through hole 231,232 on the lock box 2, through hole 231 is slightly larger than sharp dead bolt 41, and block 42 is fastened in the chute 24.

Be provided with some antitheft excellently 511 in the Square lock bolt 51, the one end extends tailgate 512, have draw-in groove 513 on the tailgate 512 and be provided with a square shaft 514, and the two ends of square shaft 514 is fastened in the chute 26 on the lock box 2.

Slide block

52,53 offers corresponding hole clipping 521,531 and chute 522,532, and on slide block 52, the 53 superimposed pins that are socketed on the lock box 2.There is a small boss 533 at the back side of slide block 53.

Point dead bolt 41 is fixed in an end of connecting rod 43, and the other end of connecting rod 43 is connected with baffle plate 44, and an end of spring leaf 45 is fixed on the pin of lock box 2, and the other end is kept out the outside at baffle plate 44; Shifting block 61 is fastened in the lock box 2, and offers a handle hole 62 in the shifting block 61, and ring 63 is socketed on the shifting block 61, has one to press a tongue 611 and a retaining tongue 612 on the shifting block 61, and baffle plate 44 is being pressed under the spring leaf 45 elastic force effects on the pressure tongue 611.Torsion spring 64 is socketed on the pin on the lock box 2, and an end pulls on the pin that leans against on the lock box 2, and the other end is pulled on the little shifting block 613 that leans against shifting block 61, and shifting block 61 makes and presses tongue 611 to be pressed on the pin 25 under torsion spring 64 elastic force effects.Socket one shifting block cover 614 on the little shifting block 613 of shifting block 61 can not damage because of rubbing for a long time to guarantee little shifting block 613.

An end of dialling bar 54 is connected on the ring 63, and the other end is socketed on the pin 515 on the clamp 512 by chute 541.Torsion spring 55 is socketed on the pin on the lock box 2, and the two ends of torsion spring 55 are pressed against

slide block

52,53 tops respectively.

Lock core 3 is plugged in the lockhole 33, and by being bolted on the lock box 2, is connected with one group of tongue 31 in the lock core shaft in the lock core 3, and copper courage 32 is fixed in the end in rotating shaft.

When using the utility model, about at first definite door, the closing direction that point dead bolt 41 has a side of radian to answer the door, make sharp dead bolt 41 can be under the pressure of locking plate 7 in withdrawal lock box 2, if sharp dead bolt 41 has the side of radian opposite with required direction, promptly Suo direction does not conform to the direction of door, then lock box 2 is stood upside down, block 42 is fallen, sharp dead bolt 41 is compressed in the lock box 2 in fully, at this moment sharp dead bolt 41 and baffle plate 44 just are in through hole 231, in 232, with hand with behind sharp dead bolt 41 Rotate 180s °, lock box 2 upsets are returned, and block 42 sets back, and so just can install and lock.

After installing, when Square lock bolt assembly 5 did not participate in work, promptly Square lock bolt 51 contracted in lock box 2 in fully, and the utility model relies on sharp dead bolt assembly 4 to realize the sealed of door and window.In the process of closing door, locking plate 7 progressively is depressed into sharp dead bolt 41 in the lock box 2 along the arc surface of sharp dead bolt 41, and only closed fully to door, at this moment sharp dead bolt 41 faces the last lockhole 71 on the locking plate 7, sharp dead bolt 41 is pushed in the lockhole 71 under spring leaf 45 elastic force effects, so door is by sealed.When need are opened, the handgrip 6 that turns clockwise, handgrip 6 will drive shifting block 61 and together rotate, and the pressure tongue 611 of shifting block 61 will promote baffle plate 44 and move like this, and under the drive of baffle plate 44, sharp dead bolt 41 is pulled in the lock box 2 simultaneously, and door and window just can be opened like this.After unclamping handgrip 6, shifting block 61 is pushed back original position under torsion spring 64 elastic force effects.

Participate under the situation of work at Square lock bolt assembly 5, can realize dual sealed and braking of the present utility model.The 5 main rotations of passing through lock core 3 internal lock mandrels of Square lock bolt assembly drive group tongue 31 and rotate together, and utilization is dialled tongue 31 and stirred the dual sealed of tailgate 512 realization doors, and reach braking effect by

slide block

52,53 realizations.And the rotation of lock core shaft can realize by dual mode: the one, by coming the rotation lock mandrel with lock core 3 corresponding keys; The 2nd, the affixed copper courage 32 of utilization and lock core shaft is realized.As shown in Figure 2, this moment, Square lock bolt 51 stretched out fully, and in the lockhole 72 on the insertion locking plate 7.

Slide block

52,53 presses down under torsion spring 55 elastic force effects, and square shaft 514 is fallen in the groove of hole clipping 521,531, and the small boss on the slide block 53 533 also falls in the draw-in groove 513 on the tailgate 512, and Square lock bolt assembly 5 is in on-position like this.Use key or rotation copper courage 32, the lock core shaft of lock core 3 is rotated in a clockwise direction, when it rotates to certain position, dial tongue 31 and go up pressure slide block 53 successively, 52,

slide block

53,52 at this pressure lower edge chute 532,522 move up, make square shaft 514 break away from hole clipping 521, groove in 531, small boss 533 on the slide block 53 also breaks away from the draw-in groove 513 on the clamp 512, at this moment dial tongue 31 and continue rotation, stir the dentation draw-in groove of tailgate 512 lower ends simultaneously, Square lock bolt 51 is moved in lock box 2, leave up to dialling tongue 31, at this

moment slide block

52,53 return to original position under torsion spring 55 elastic force effects, square shaft 514 falls into hole clipping 521 again simultaneously, in 531 the groove, small boss 533 also falls in the draw-in groove 513 on the tailgate 512.So recycling is once only contracted to lock box 2 to Square lock bolt 51 fully.Simultaneously because an end of dialling bar 54 is socketed on the pin 515 on the tailgate 512 by chute 541, so dialling bar 54 also moves inward, and the lower end of dialling bar 54 also is in the track of dialling tongue 31 rotations this moment, at this moment continue the lock core shaft that turns clockwise, dialling tongue 31 will promote group bar 54 and move up, ring 63 turns clockwise under the promotion of dialling bar 54, pressure tongue 631 on the ring 63 will promote baffle plate 44 and move, under the drive of baffle plate 44, point dead bolt 41 is pulled in the lock box 2, this moment, two dead bolts of the present utility model all contracted in lock box 2, so door just can be opened.The lock core shaft of in like manner revolving lock core counterclockwise just can realize the sealed of this theftproof lock.

Claims

1, a kind of theftproof lock, comprise: locking face (1), lock box (2), lock core (3), sharp dead bolt assembly (4), Square lock bolt assembly (5) and handgrip (6), lock box (2) was made up of the lock end (21) and locking closure (22), locking face (1) is fixed on one side of the lock end (21), lock core (3), sharp dead bolt assembly (4), Square lock bolt assembly (5) and handgrip (6) all are installed in the lock box (2), it is characterized in that: offer through hole (231), (232) on the lock box (2), through hole (231) is slightly larger than sharp dead bolt (41), and block (42) is fastened in the chute (24); Be provided with some antitheft rods (511) in the Square lock bolt (51); One end of Square lock bolt (51) extends a tailgate (512), have some draw-in grooves (513) on the tailgate (512) and be provided with a square shaft (514), and the two ends of square shaft (514) are fastened in the chute (26) on the lock box (2), slide block (52), (53) offer corresponding hole clipping (521), (531) and chute (522), (532), and slide block (52), (53) are by on chute (522), (532) superimposed pin that is socketed on the lock box (2).

2, a kind of theftproof lock according to claim 1, it is characterized in that: sharp dead bolt (41) is fixed in an end of connecting rod (43), the other end of connecting rod (43) is connected with baffle plate (44), one end of spring leaf (45) is fixed on the pin of lock box (2), and the other end is kept out the outside in baffle plate (44); Shifting block (61) is fastened in the lock box (2), and offer a handle hole (62) in the shifting block (61), ring (63) is socketed on the shifting block (61), have one to press a tongue (611) and a retaining tongue (612) on the shifting block (61), baffle plate (44) is being pressed under spring leaf (45) the elastic force effect on the pressure tongue (611), torsion spring (64) is socketed on the pin on the lock box (2), and an end is pulled on the pin that leans against on the lock box (2), the other end is pulled on the little shifting block (613) that leans against shifting block (61), shifting block (61) makes and presses tongue (611) to be pressed on the pin (25) under torsion spring (64) elastic force effect.

3, a kind of theftproof lock according to claim 1 and 2 is characterized in that: an end of dialling bar (54) is connected on the ring (63), and the other end is socketed in by chute (541) on the pin (515) on the tailgate (512) of Square lock bolt (51).

4, a kind of theftproof lock according to claim 1 is characterized in that: torsion spring (55) is socketed on the pin on the lock box (2), and the two ends of torsion spring (55) are pressed against slide block (52), (53) top respectively.

5, a kind of theftproof lock according to claim 2 is characterized in that: the little shifting block (613) of shifting block (61) is gone up socket one shifting block cover (614).