CN2858887Y

CN2858887Y - Sliding anti-theft lock core

Info

Publication number: CN2858887Y
Application number: CN 200520120871
Authority: CN
Inventors: 包盛凌
Original assignee: 包美
Priority date: 2005-12-28
Filing date: 2005-12-28
Publication date: 2007-01-17
Anticipated expiration: 2015-12-28

Abstract

This utility model discloses a slide piece type key cylinder for guard against thief comprising a lock shell, an interior key cylinder and a lock tube having a bolt bar on the end part. A group of arc grooves plumbing the axle line on the symmetrical sides of the 'T' type locking hole, the said two groups of arc grooves mutually offsetting to each other connect the 'T' type lock hole, in every arc groove sets a slide piece, a replacement spring and a groove letting the across pin flip into, one end of the every said slide piece insert into the 'T' type lock hole. This utility model provides a slide piece type key cylinder for guard against thief preventing operating of the tools for unlocking. When the key is inserted into and turned, the stress between the key and the key cylinder will be balanced so that the life of the key cylinder will be long and the operation of it will be laborsaving.

Description

A kind of slide sheet type anti-theft lock core

Technical field

The utility model relates to a kind of lockset, particularly a kind of slide sheet type anti-theft lock core.

Background technology

In the existing tool manufacturing industry, the structure of core mostly is made of lock housing, core and lock tube, on core, offer the lock road that enters for key, stretch into lock in the road pellet shot from a slingshot or slide between all exist and operate the space, as existing slide sheet type anti-theft lock core, must preserve certain operative position between two slides of its mutual interlock and could guarantee its normal use, this can enter the lock road with other instrument with regard to representative and unblank, and the keyway at slide back is corresponding can be opened as long as make; And often key is unidirectional inserting the torsion that is applied when the lock road drives core, lock tube rotation, specifically, no matter be to drive the core forward or reverse, its rotatory force can only act between key one end and the core slide block, and the other end of key and the slide block corresponding with it does not stress, this structure is in use owing to be subjected to unidirectional twisting force for a long time, cause the wearing and tearing of main stressed component in the core or rigging position to change easily and cause the inefficacy of function, consequently make and open inconvenient even can't open.

Summary of the invention

The purpose of this utility model is to provide a kind of other unlocking tool that makes to operate in the road and have more antitheft a kind of slide sheet type anti-theft lock core at lock, and when key insert to rotate, between key and core the application life of the prolonged lock of stress equalization and in operation labour-saving purpose more.

The purpose of this utility model is achieved in that a kind of slide sheet type anti-theft lock core, comprise lock housing, inner lock core and afterbody tongue with lock is dialled the lock tube of bar, described lock-shell lining is arranged with by playing post, spring, lock housing, be provided with lateral pin between lock tube and the inner lock core, groove position for the lateral pin snap-on, play post, the snap-on mechanism that spring and lateral pin are formed, described inner lock core is axially arranged with the T-shape lockhole suitable with the T-shape key, wherein: the inner lock core outer wall in T-shape lockhole symmetry both sides respectively is provided with one group of arc groove with axis normal, described two groups of arc groove mutual dislocation settings and communicate with the T-shape lockhole, a slide plate is set respectively in every arc groove, back-moving spring, be provided with the draw-in groove that springs into for lateral pin on each slide plate, an end of described each slide plate stretches in the T-shape lockhole.

Be provided with in the described slide plate group and be no less than the slide plate that anti-other unlocking tool of a concealed type enters, all remain in the vertical central plane that identical correspondence position, end then stretch to the T-shape lockhole with the groove position when its draw-in groove opens and closes lock.

The described slide plate that is installed in the arc groove is arc pre-folding line shape, and its end that stretches to T-shape lockhole part is provided with chamfering.

The cross section of described key is a T-shape, and its horizontal edge end face is provided with middle inclined-plane to two ends symmetry declivity, stretches into the groove that the position matches with slide plate.

The technical scheme of further improvement of the utility model is: above-mentioned lock tube is made up of the interior lock tube and the outer lock tube of mutual socket, and above-mentioned lateral pin is made of last pin and downside pin, wherein:

Above-mentioned dead bolt is dialled the afterbody that bar is connected outer lock tube;

The wall thickness of lock tube in the diameter of above-mentioned downside pin is equal to or slightly less than;

The above-mentioned slightly larger in diameter of pin that goes up is in the wall thickness of outer lock tube.

Adopt the utility model of technique scheme, owing to adopted the arc groove that is symmetrical arranged mutual dislocation at inner lock core T-shape lockhole two ends, slide plate of each self-assembly and back-moving spring work alone in the separate arc groove, the slide plate end then stretches to the vertical central plane of T-shape lockhole horizontal edge, staggered slide plate end face forms equal vertical central plane in the T-shape lockhole, no gap is provided with and other unlocking tool can't be operated in the lock road between slide plate, and in the slide plate group, be provided with and be no less than the slide plate that anti-other unlocking tool of a concealed type enters, when opening and closing lock, its draw-in groove all remains in identical correspondence position with the groove position, when any object enters, make draw-in groove displacement and become non-unlocking condition with lateral pin, and reach the leeway that the person that illegally do not unblank can't operative position guesses and reach antitheft purpose; Be installed on two groups of separate slide plates on the inner lock core arc groove, the two ends symmetry stretches to the form of structure of the vertical central plane of T-shape lockhole, after key inserts the lock road, can constitute the parallel arm of force of a T-shape with the slide plate on being divided into inner lock core, more laborsaving when so not only making inner lock core, lock tube interlock, and the balanced stressed integrally-built stability of inner lock core of also having guaranteed, realized prolonging the core purpose in application life; Having only the cross section suitable with it is the key of a T-shape, can be provided with slide block and stretch into the groove that position to vertical central plane matches, and can not have influence on intensity, rigidity and antitorque degree requirement because stressed vertical edge is arranged the key of T-shape; In addition, overcoat and lateral pin were set to the form of structure of upper and lower double-pin in lock tube was set to, realized that cleverly its inner lock core is in the skid state all the time when other spoon part of mismatching inserts, prevented illegal mechanicalness picking lock and played and strengthen antitheft effect.

In addition, no gap is provided with the volume that has dwindled core and whole lock body between slide plate, is fit to make the less relatively padlock of volume.

Description of drawings

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

Fig. 1 is the overall cross section view under the utility model unlocking condition;

Fig. 2 is the overall cross section view under the utility model blocking;

Fig. 3 is the overall longitudinal section of the A-A of a Fig. 1 sectional view;

Fig. 4 is the overall longitudinal section of the B-B of a Fig. 2 sectional view;

Fig. 5 is the overall cross section view under the unlocking condition in another embodiment of the utility model;

Fig. 6 is the overall cross section view under the blocking in another embodiment of the utility model;

Fig. 7 is the structural representation of the utility model key;

Fig. 8 is that the utility model is implemented the overall cross section view under the concealed type slide plate unlocking condition;

Fig. 9 is that the utility model is implemented the overall cross section view under the concealed type slide plate blocking.

The specific embodiment

The utility model such as Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of slide sheet type anti-theft lock core, comprise lock housing 1, inner lock core 2 and afterbody tongue with lock is dialled the lock tube 3 of bar, lock housing 1 inwall is arranged with by playing post 4, spring 5, lock housing 1, be provided with lateral pin 8 between lock tube 3 and the inner lock core 2, groove position 9 for lateral pin 8 snap-ons, play post 4, the snap-on mechanism that spring 5 and lateral pin 8 are formed, inner lock core 2 is axially arranged with the T-shape lockhole 2a suitable with T-shape key 10, inner lock core 2 outer walls in T-shape lockhole 2a symmetry both sides respectively are provided with one group of arc groove 2b with axis normal, two groups of arc groove 2b mutual dislocation setting and communicate with T-shape lockhole 2a, in every arc groove 2b a slide plate 6 is set respectively, back-moving spring 7, be provided with the draw-in groove 6a that springs into for lateral pin 8 on each slide plate 6, an end of described each slide plate 6 stretches in the T-shape lockhole 2a.When key 10 inserts lockhole, the groove 10b of key 10 each self-fitting is stretched in the end of each

slide plate

6,9 one-tenth one axial location in groove position on draw-in groove 6a on corresponding each slide plate 6 and the inner lock core 2, lateral pin 8 entering in the draw-in groove 6a under playing post 4 and spring 5 interlock effects, and place between inner lock core 2 and the lock tube 3, make inner lock core 2 drive lock tube 3 rotations and unblank by lateral pin 8.

The utility model such as Fig. 8, shown in Figure 9, be provided with in 6 groups of the described slide plates and be no less than the slide plate 6 that anti-other unlocking tool of a concealed type enters, all remain in the vertical central plane that identical correspondence position, end then stretch to T-shape lockhole 2a with groove position 9 when its draw-in groove 6a opens and closes lock.

The slide plate 6 that the utility model is installed among the arc groove 2b is arc pre-folding line shape, and it protrudes into to the end of T-shape lockhole 2a part and is provided with chamfering 6b.

The utility model as shown in Figure 7, the cross section of key 10 is a T-shape, in the middle of its horizontal edge end face is provided with to the inclined-plane 10a of two ends symmetries declivity, protrude into the groove 10b that the position matches with slide block 6.

The utility model such as Fig. 5, shown in Figure 6, for realizing preventing the purpose of illegal mechanicalness picking lock, above-mentioned lock tube 3 is made up of the interior lock tube 3a and the outer lock tube 3b of mutual socket, and above-mentioned lateral pin 8 is made of last pin 8a and downside pin 8b, and wherein: above-mentioned dead bolt is dialled the afterbody that bar is connected outer lock tube 3b; The wall thickness of lock tube 3a in the diameter of above-mentioned downside pin 8b is equal to or slightly less than; The above-mentioned slightly larger in diameter that goes up pin 8a is in the wall thickness of outer lock tube 3b, and when this structure can keep any under normal conditions part that is not complementary to insert lockhole, inner lock core was in the skid state all the time, can not link with dead bolt, has played to strengthen antitheft effect.

Claims

1. slide sheet type anti-theft lock core, comprise lock housing (1), inner lock core (2) and afterbody tongue with lock are dialled the lock tube (3) of bar, described lock housing (1) inwall is arranged with by playing post (4), spring (5), lock housing (1), be provided with lateral pin (8) between lock tube (3) and the inner lock core (2), groove position (9) for lateral pin (8) snap-on, play post (4), the snap-on mechanism that spring (5) and lateral pin (8) are formed, described inner lock core (2) is axially arranged with the T-shape lockhole (2a) suitable with T-shape key (10), it is characterized in that: inner lock core (2) outer wall in the symmetrical both sides of T-shape lockhole (2a) respectively is provided with one group of arc groove (2b) with axis normal, described two groups of arc grooves (2b) mutual dislocation setting and communicate with T-shape lockhole (2a), a slide plate (6) is set respectively in every arc groove (2b), back-moving spring (7), be provided with the draw-in groove (6a) that springs into for lateral pin (8) on each slide plate (6), an end of described each slide plate (6) stretches in the T-shape lockhole (2a).

2. a kind of slide sheet type anti-theft lock core according to claim 1, it is characterized in that: be provided with in described slide plate (6) group and be no less than the slide plate (6) that anti-other unlocking tool of a concealed type enters, all remain in the vertical central plane that identical correspondence position, end then stretch to T-shape lockhole (2a) with groove position (9) when its draw-in groove (6a) opens and closes lock.

3. a kind of slide sheet type anti-theft lock core according to claim 1 is characterized in that: the described slide plate (6) that is installed in the arc groove (2b) is arc pre-folding line shape, and its end that stretches to T-shape lockhole (2a) part is provided with chamfering (6b).

4. a kind of slide sheet type anti-theft lock core according to claim 1, it is characterized in that: the cross section of described key (10) is a T-shape, and its horizontal edge end face is provided with middle inclined-plane (10a) to two ends symmetry declivity, stretches into the groove (10b) that the position matches with slide plate (6).

5. a kind of slide sheet type anti-theft lock core according to claim 1 is characterized in that: above-mentioned lock tube (3) is made up of the interior lock tube (3a) and the outer lock tube (3b) of mutual socket, and above-mentioned lateral pin (8) is made of last pin (8a) and downside pin (8b), wherein:

Above-mentioned dead bolt is dialled the afterbody that bar is connected outer lock tube (3b);

The diameter of above-mentioned downside pin (8b) is equal to or slightly less than the wall thickness of interior lock tube (3a);

The above-mentioned slightly larger in diameter of pin (8a) that goes up is in the wall thickness of outer lock tube (3b).