CN2687253Y - Anti-theft mechanical lock - Google Patents

Abstract

The utility model relates to an anti-theft mechanical lock, belonging to fixture field, which principally comprises a lock body, a lock pin arranged in the lock body, a bolt, a drawback lock handle and a locking handle. The bolt in the lock body comprises a bolt which can move left and right and two sets of bolt tease-proof connecting rod hooks. Wherein, the bolt is provided with an arresting pin which is cooperated with a turning block on the drawback lock handle. The bolt is provided with a locking slot. One end of the bolt is connected with the driving arm of the heaven and earth coupling support. A locking segment is provided between the two sets of tease-proof hooks, and is connected with a tease-proof locking handspike on the lock body. The utility model has the advantages of novel style physical design, strong pick-proof and anti-theft property, and safe use, and can prevent the lawbreakers with high intelligence quotient from unlatching. The utility model which is an ideal anti-theft mechanical lockset is applied widely.

Description

Theft-preventing mechanical lock

Technical field

The utility model relates to a kind of theft-preventing mechanical lock on the fixture.

Background technology

At present, the lockset that uses in the fixture field all is theft-preventing mechanical lock mostly, and its complex structure of this theft-preventing mechanical lock, low, the pick-proof poor-performing of intensity are few for the method that prevents high intelligent opening lockset, poor effect.In the middle of usual this mechanical lock of use, when turnover was opened or close to the doorstep, key need rotate 450 degree just can make lock pin work put in place to 810 degree, and it is not too convenient to use.

Summary of the invention

The purpose of this utility model just provides a kind of defective that can overcome above theft-preventing mechanical lock existence, and simple in structure, and the pick-proof performance is good, safe in utilization, it is convenient to open, and only needs to rotate 120 degree and just can all open, and have the illegal a kind of theft-preventing mechanical lock opened of anti-high iq.

The technical solution of the utility model is achieved in that a kind of theft-preventing mechanical lock, it comprises the lock housing body, be located at lock core in the lock housing body, dead bolt, world interlock support, the anti-hook lock of dialling decide lever and are located at unlocking handle, lock handle on the lock housing body, but be located in the lock housing body dead bolt it by the dead bolt of move left and right and be located at the anti-group connecting rod hook of two groups of dead bolts and form; Wherein, middle part on dead bolt is provided with stop pin, latch one end matches with moving block on the drawback lock handle, end links to each other with outer unlatching driver plate in addition, have lock slots being provided with on the dead bolt of latch, dead bolt one end links to each other with transmission arm on the universe rod interlock support, and the dead bolt lower end is provided with the dead bolt rotating locating blocks, be provided with clamping block anti-the dialling between the connecting rod hook of two groups of dead bolts, clamping block is decided lever with the anti-group hook lock on being located at the lock housing body and is linked to each other.

The utility model further improves: the lock core rotor that is located on the lock core is provided with antitheft back-up ring, first group of pellet shot from a slingshot assembly in the lock core rotor is positioned at the front end of lock core rotor, the internal diameter edge in the pellet shot from a slingshot hole of pellet shot from a slingshot assembly is concordant with lock core rotor, and lock core shell is cylindrical.In the lock housing body, be provided with the contact that latches.

The utility model has the advantages that simplicity of design, pick-proof and anti-theft performance are strong, safety easy to use can prevent that various means from opening locksets.

Description of drawings

Fig. 1 is the structural representation of the utility model theft-preventing mechanical lock:

Fig. 2 is the backsight structural representation of the utility model theft-preventing mechanical lock;

Fig. 3 is the bottom cover structure schematic diagram of the utility model theft-preventing mechanical lock;

Fundamental diagram when Fig. 4 is the unlatching of the utility model theft-preventing mechanical lock;

Structural representation when Fig. 5 is the unlatching of the utility model theft-preventing mechanical lock;

Fig. 6 is the structural representation of the utility model theft-preventing mechanical lock lock core;

Fig. 7 is the sectional structure schematic diagram of the utility model theft-preventing mechanical lock lock core A-A face.

The specific embodiment

As shown in Figure 1, 2, 3, a kind of theft-preventing mechanical lock, it comprises lock housing body 1, be located at lock core 9 in the lock housing body 1, dead bolt 4, world interlock support 18, anti-ly dial that hook lock is decided lever 13, lock housing body bottom 2 is fixed on the lock housing body 1 by screw 3, on lock housing body 1, be provided with unlocking handle 8, lock handle 10, but be located in the lock housing body 1 dead bolt 4 it by the dead bolt 4 of move left and right and be located at the anti-connecting rod hook 5 of dialling of two groups of dead bolts and form; Wherein, be provided with stop pin 20 at the middle part of dead bolt 4, latch 20 1 ends match with moving block on the drawback lock handle 8, the other end matches with the outer driver plate of opening, on the dead bolt that is provided with latch 20, have lock slots 4A, dead bolt 4 one ends link to each other with transmission arm on the universe rod interlock support 18, dead bolt 4 lower ends are provided with dead bolt guide-localization piece 19, be provided with clamping block 17 at anti-5 on the connecting rod hook of dialling of two groups of dead bolts, clamping block 17 is decided lever 13 with the anti-group hook lock on being located at lock housing body 1 and is linked to each other, and is provided with shift fork 22 on lock core 9.

The further improvement of the utility model theft-preventing mechanical lock is: as Fig. 6, shown in 7, a kind of theft-preventing mechanical lock, on lock core 9, be provided with shift fork 22, lock core 9, it is columniform lock core shell 91 by lock core shell, lock core rotor 92, antitheft back-up ring 93, back-up ring 94 behind the rotor, pellet shot from a slingshot assembly 95, rotor drive block 96, decoration ring 97, the adjustment packing ring is formed, the lock core rotor 92 that is located on the lock core 9 is provided with antitheft back-up ring 93, first group of pellet shot from a slingshot assembly 95 in the lock core rotor 92 is positioned at the front end of lock core rotor 92, the internal diameter edge in the pellet shot from a slingshot hole of pellet shot from a slingshot assembly 95 is concordant with lock core rotor 92, and lock core shell 91 is cylindrical.The internal diameter edge, pellet shot from a slingshot hole of the pellet shot from a slingshot assembly 95 in the lock core 9 of the utility model theft-preventing mechanical lock is concordant with lock core rotor 92, make two groups of pellets shot from a slingshot in lock core rotor 92 every holes and the total length after the length of spring compressed length greater than lock core shell 91 pellet shot from a slingshot holes, in the time of can preventing from illegally to open, two groups of pellets shot from a slingshot are sent in the lock core shell 31 pellet shot from a slingshot holes simultaneously, reached rotor and freely rotate.

The utility model further improves again: be provided with the contact 7 that latches in lock housing body 1.The utility model can effectively prevent to utilize special tool that lock core 9 is pulled out in lock housing body 1 with the lock core shell design lines is cylindrical.

The utility model theft-preventing mechanical lock is when interior unlatching, operating principle is: as shown in Figure 4, rotate about drawback lock handle 80 degree, interior inclined-plane combination of opening the 16A of inclined-plane on lock dog brake bracket 16 of the 15A on the driver plate 15, lock dog brake bracket 16 is worked downwards in the effect of clamping block 17, clamping block 17 is withdrawed from from anti-the dialling between the hook link hook 5 of two groups of dead bolts, be rotated further about drawback lock handle 8 six ten degree, interior unlatching banking pin 14 backs down the anti-hook link hook 5 of dialling of two groups of dead bolts.Two groups of anti-hooks of dialling hook link hook 5 front ends of dead bolt are got back in the dead bolt 4, as shown in Figure 5, open driver plate 15B in this moment in latch 20 contacts.Rotate about drawback lock handle 8 five ten degree, the transmission arm drive universe rod 6 that dead bolt 4 promotes on the universe rod transmission bracket 18 is recovered in the lock housing body 1 again, and lockset becomes opening, and the afterbody breach of dead bolt 4C is opened recovery locator card 23 by dead bolt and blocked.

When the utility model is opened outside, operating principle is: shown in Fig. 3,4, the private key bar is inserted outer lock core driver plate 11, clockwise rotate about ten degree, the inclined-plane of opening drive block 12A place outward promotes inclined-plane 16B on the lock dog brake bracket 16 and will prevent dialling lock dog 17 and withdraw between the anti-group 5 liang of hooks of hook link hook of two groups of dead bolts.Clockwise rotate again about outer lock core 11 60 degree, shown in Fig. 1,3, open banking pin 13 outward, anti-two hooks of dialling hook link hook 5 of two groups of dead bolts are regained in the middle of the dead bolt 4 the anti-two hook afterbody jack-up of dialling hook link hook 5 of two groups of dead bolts.Shown in Fig. 3,5, open drive block 12B outward and touch and to lock sold inside the country surely 21A, lock surely and sold inside the country 21 open, at this moment, open drive block 12C outward and dead bolt banking pin 20 joins.When being rotated further outer lock core 11, dead bolt 4, universe rod 6 are all got back in the lock housing body 1, and dead bolt 4C is opened recovery locator card 23 by dead bolt and blocks, and lockset becomes opening.

When the utility model is locked outside, shown in Fig. 1,3,5, reverse about key 30 degree, open drive block 12D outward and drive and lock sold inside the country surely 21B and make and lock sold inside the country 21 front ends and pin dead bolt 4A.Lock locked this moment.

The utility model at internal lock regularly as shown in Figure 1, rotates interior lock handle 10, and interior lock handle 10B combines into lock-out state in dead bolt 4B when latching.As interior lock handle 10A during, be in not locking state at lockset at closing time in dead bolt 4B place same position.

Claims (4)

1. theft-preventing mechanical lock, it comprises lock housing body (1), be located at lock core (9) in the lock housing body (1), dead bolt (4), world interlock support (18), the anti-hook lock of dialling decide lever (13) and are located at unlocking handle (8), lock handle (10) on the lock housing body (1), it is characterized in that: be located at the dead bolt (4) in the lock housing body (1) but it is by the dead bolt (4) of move left and right and be located at the last two groups of dead bolts of dead bolt (4) and prevent that group connecting rod hook (5) forms; Wherein, be provided with stop pin (20) at the middle part of dead bolt (4), latch (20) one ends match with moving block on the drawback lock handle (8), end links to each other with outer unlatching driver plate in addition, on the dead bolt that is provided with latch (20) (4), have lock slots 4A, dead bolt (4) one ends link to each other with transmission arm on the universe rod interlock support (18), dead bolt (4) lower end is provided with dead bolt guide-localization piece (19), be provided with clamping block (17) anti-the dialling between connecting rod hook (5) of two groups of dead bolts, clamping block (17) is decided lever (13) with the anti-group hook lock on being located at lock housing body (1) and is linked to each other.

2. a kind of theft-preventing mechanical lock according to claim 1, it is characterized in that: on the lock core rotor (92) on the lock core (9), be provided with antitheft back-up ring (93), first group of pellet shot from a slingshot assembly (95) in the lock core rotor (92) is positioned at the front end of lock core rotor (92), the internal diameter edge in the pellet shot from a slingshot hole of pellet shot from a slingshot assembly (95) is concordant with lock core rotor (92), is provided with shift fork (22) on lock core (9).

3. a kind of theft-preventing mechanical lock according to claim 2 is characterized in that: lock core shell (91) is for cylindrical.

4. a kind of theft-preventing mechanical lock according to claim 1 is characterized in that: be provided with the contact that latches (7) in lock housing body (1).

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