CN202090710U - Built-in fixed type pick-proof lock core body with screening function - Google Patents

Abstract

The utility model discloses a built-in fixed type pick-proof lock core body with screening function. The lock core body is disposed on the backside of a recess (1) on the surface (6) of a door; and is characterized in that: a key hole (4) is formed in the recess (1); a slide plate (2) in the key hole (4) is interlocked with a slide cover (3) in the recess; and a L-shaped key is adopted to match with the operation. In the working process, the lock core doesn't need to rotate; a slide plate is provided on the key hole, and a slide cover (3) interlocked with the slide plate is disposed opposite the slide plate; a key (9) is moved in the direction showed in the figure 3, then is inserted into the key hole to push the slide plate to move, isochronously, the interlocked slide cover (3) is move along to cover the recess (1); when the matched key is inserted in, the self-locked mechanism is unlocked, correspondingly an interlocked mechanism is moved to unlock. The utility model combines bouncing balls in a multi-line multi-row manner, thereby reduces inter-opening rate.

Description

The built-in fixed pick-proof lock core body of band function of shielding

Affiliated technical field

The utility model relates to the pick-proof lock core body of using on a kind of door, especially to skilled unlocking, good preventive effect is arranged.

Background technology

Present employed lock on state's inside door, great majority are cylinder locks of the mode of rotarily opening, small part access to your password lock, Fingerprint Lock.Cylinder lock is used widely because it is simple in structure, easily manufactured, but meanwhile, easy structure also becomes a reality skilled unlocking, and streets and lanes are the advertisement of unblanking everywhere; Simple hoodle permutation and combination also makes the mutual opening rate of lock increase greatly.

Cylinder lock is made up of four major parts, 1. lock core: made of copper cylindrical, it is rotatable that key inserts the back, drives the switching that link gear is realized lock during rotation.2. hoodle (being commonly called as pellet shot from a slingshot): hoodle and outer hoodle in hoodle divides (outer hoodle is commonly called as system bolt hoodle) are contained in lock core and lock in the hoodle hole of body (body).3. spring: be contained in the hoodle hole of lock body, withstand hoodle.4. key: " sawtooth " with differing heights.

Cylinder lock all adopts the top cylinder type to open method, its open theory is: after suitable key inserts lock core, just different on the key " teeth ", hoodle different in size in the corresponding lock core, hoodle is pressed in the lock core hoodle hole, makes the post plane of hoodle concordant, the system bolt effect of hoodle was lost efficacy with lock core hoodle hole mouth, key drives the lock core rotation, thereby drives the switching that link gear is realized lock.

Skilled unlocking then is by special tool(s) twisting lock core, all hoodles are all headed into topmost, by means of spring force and torsion, make between lock core and the lock body hoodle hole and form terrace (because of between the hole of bead and hoodle manufacturing tolerance being arranged), under the acting in conjunction of spring force and outer group of power, hoodle falling, outer hoodle hinder outside lock core in making, thereby realize the unlatching of lock.Special tool(s) commonly used has crow bar, probe to also have some instruments of plum blossom pawl.Hit spoon unlocking method and master key unlocking method on this basis in addition.For anti-skilled unlocking, so occurred some novel cylinder locks on the market; The gold point atom lock of cross lock, limit (post) bolt formula, (crescent moon) key agate lock of idle rotation type.But these locks, owing to all adopt rotary locking cylinder and last top cylinder type to open method, each accessory all exists manufacturing tolerance man-hour adding simultaneously, structurally all exists cylinder space, therefore can not fundamentally stop technical unlocking.By observing and concluding, with cylinder lock two common ground are arranged all on the door: the one, adopt rotary lock core, exist cylinder space on the structure, the 2nd, the key mouth outwardly and keyhole vertical with door surface, put the space fully to good use for the skilled unlocking person uses various special tool(s)s to provide.

Summary of the invention:

In order to overcome the existing cylinder lock shortcoming a little less than pick-proof, the anti-technical unlocking well, the utility model provides a kind of built-in fixed pick-proof lock core body with function of shielding.This lock core body can not only be accomplished pick-proof, anti-technical unlocking, can also adapt to existing Lock Factory well and renovate, and makes it and conventional door, the supporting use of lock body.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of built-in fixed pick-proof lock core body with function of shielding, lock core body is located at the back side of a surperficial recess, its design feature is: the key mouth of described lock core body is located at notched bottoms one side, on the key mouth on set slide plate and the recess set slip lid link, described lock core body adopts L type key compounding practice.

The utility model design feature also is:

In described recess, one side has a key mouth that contains slide plate in the bottom, and opposite side is the slip lid that links with key mouth inner slider, adopts L type key to probe into notched bottoms, laterally inserted key mouth and start link gear and unblank.Described lock core body is fixed.

The L end of described L type key is the foldable structure.

Thinking one: the little recess (structural representation such as Fig. 2, schematic perspective view are as shown in Figure 3) that a certain depth is set on the surface of door, side in recess inside, the place opens a key mouth near the bottom, lock core is designed to fixed, need not rotate during use, thoroughly solving the disadvantage of existing rotary locking cylinder cylinder lock, is that the defective of rotary structure is resolved; The key mouth is in the recess on door surface, and the key flank of tooth is parallel with the door surface, and Gu Yaoshikou is the oriented manipulation person no longer, and the person adopts probe, crow bar special tool not to have the space of operation to make the skilled unlocking.After key insertion key mouth put in place, screw key was directly held door handle and can be realized the switch of door (the interlock controlling organization is not in the application's scope, so do not list) again.

Thinking two: in the key mouth, join one slide-plate,, a recess slip lid that links with slide plate is installed simultaneously,, be hidden in the recess back side with the lock body assembly at the offside of key mouth.When key did not insert, the recess slip lid also was hidden in the back side of door face board; When key inserted, the slide plate that key promotes in the key mouth moved, and the recess slip lid of interlock is also along with follow-up together with it simultaneously, and after key all was inserted into the position, the recess slip lid also hid whole recess, reached the purpose of pick-proof, anti-technical unlocking.

Thinking three: the key mouth adopts L type abnormal shape key operated, for ease of carrying in the recess on door surface, be designed to collapsiblely, shown in Figure 1, collapsible L type key adopts planar, hoodle is many formula combinations of multiple row, thereby the repetitive rate of key is reduced, and solves opening mutually of lock.

The beneficial effects of the utility model are:

1. in the key mouth slide plate is arranged, can prevent that foreign material from entering.

2. indent installs the interlock slip lid additional, during operation key cause for gossip row is hidden shielding, the dark Tibetan of key mouth simultaneously, and pick-proof, anti-technical unlocking are strong.

3. adopt the operation of L type folding key straight cutting, break through traditional rotation opening latching mode, can realize changing up soon the pass, operate simpler and more direct.

4. many combinations of the multiple row of hoodle reduce the repetitive rate of key, have solved opening mutually of lock.

5. suitable existing Lock Factory simple in structure renovates afterwards and the supporting use of existing door lock.

Description of drawings:

Fig. 1 a, 1b, 1c are respectively three different view of the collapsible L type of the utility model key.

Fig. 2 is for being provided with door body indent generalized section of the present utility model.

Fig. 3 is for being provided with door body stereoeffect schematic diagram of the present utility model.

Among the figure: 1. recess, 2. slide plate, 3. slip lid, 4. key mouth, 5. lock core body, a 6. surface, 7. link gear, 8. pellet shot from a slingshot, 9.L type key, 10. handle, A. lock body assembly.

The specific embodiment:

Below by embodiment, and in conjunction with the accompanying drawings structure of the present utility model is done to describe further.Embodiment: as Fig. 2, shown in Figure 3, the recess 1 of a wide 28mm, high 16mm, dark 18mm is set on the surface 6 of door, recess 1 in the height on door surface 6, position, the left and right sides in present lock position, be convenient to exchange with the transformation of old lock, a side of recess 1 inside (on to deciding left and right sides), place, close bottom opens the breach of high 16mm, a wide 2.5mm, and this breach is key mouth 4; At the offside place of key mouth 4, the slip lid 3 that moves flexibly about an energy is installed; With the lock body assembly A after the repacking, push (being undertaken) from the side of door along locating slot by existing antitheft lock mounting method, after shifting the position onto, key mouth slide plate 2 on the lock body assembly A is the key mouth 4 in the alignment recess 1, at this moment, self-locking mechanism automatic butt between slide plate 2 and the slip lid 3, slide plate 2 forms interlock with slip lid 3.Lose lock core body 5 and pellet shot from a slingshot 8 on the surface of door, whole lock body assembly A is hidden in the back side on recess 1 residing door surface 6.With suitable L type key 9, insert in the recess 1 (pressing the motion of direction shown in Fig. 2, Fig. 3 arrow), after L type key 9 is inserted into the end, again it is laterally advanced in key mouth 4, after the 9 whole insertions of L type key put in place, key need not rotate, and held door handle 10 and got final product the high-speed switch door, (the control link gear is not in the application's scope, so do not list).When L type key 9 insertion key mouths 4 moved, the slide plate 2 that L type key is also promoting in the key mouth 4 moved, and Lian Dong slip lid 3 hides shielding with whole recess 1 and gets up also along with follow-up with it, and skilled unlocking is had no way of doing it.Shown in Fig. 1 b, folding L type key 9, hoodle adopt 3 row, 6-7 of every row, thus the repetitive rate of key is reduced, the problem of opening mutually of lock has obtained solution.

The built-in fixed pick-proof lock of band function of shielding described in the utility model relies on recess 1, slide plate 2, slip lid 3, link gear 7, L type key 9 and lock core body 5 to connect to the integral body of a perfect in shape and function, easy to operate, simple and direct, its reliable practicality, stability make the utility model reach aforementioned goal of the invention effectively.

Method of operating: key → insertion key mouth → hold bat-handle switch door

Claims (4)

1. built-in fixed pick-proof lock core body with function of shielding, lock core body is located at the back side of a surface (6) recess (1), it is characterized in that: the key mouth (4) of described lock core body is located at recess (1) bottom one side, slide plate (2) that key mouth (4) is upward set and recess (1) are gone up set slip lid (3) and are linked, and described lock core body adopts L type key (9) compounding practice.

2. the built-in fixed pick-proof lock core body of band function of shielding according to claim 1, it is characterized in that: in described recess (1), one side has a key mouth (4) that contains slide plate (2) in the bottom, opposite side is the slip lid (3) that links with key mouth (4) inner slider (2), adopt L type key (9) to probe into recess (1) bottom, laterally inserted key mouth (4) and start link gear (7) and unblank.

3. the built-in fixed pick-proof lock core body of band function of shielding according to claim 1 is characterized in that: described lock core body is fixed.

4. a kind of built-in fixed pick-proof lock core body with function of shielding according to claim 1 is characterized in that, the L end of described L type key (9) is the foldable structure.

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