CN200982108Y - Anti-impact spring lock with bolt - Google Patents

Abstract

The utility model relates to a theft-proof lock, in particular to an anti-knock lock with a plug. The utility model is composed of a door lock provided with a bolt, a lock body, a lock valve, and a tapered end provided with a middle ring, an outer ring, an inner-against marble, an outer-against marble, and a lock pin, wherein the two sides of a transmission plate connected with the lock pin are respectively opened with a plug hole. One end of the plug pole is connected with the middle loop of the tapered end, the other end can hang in and out the lock body through the plug hole of the lock valve which can prevent the transmission plate being forcedly inserted into the lock valve to pull the bolt arranged in the lock body when the lock pin is twisted and knocked by strong force. The utility model has the advantages of double theft-proof performances of against strong twisting and against external force, tight structure, and simple mounting.

Description

The anti-cylinder lock that knocks of band latch

One, technical field

The utility model relates to a kind of theftproof lock, the anti-cylinder lock that knocks of especially a kind of band latch.

Two, background technology

The kind of theftproof lock is more, mainly contain mechanical type, combine three kinds of formulas of electronic type or mechano-electronic, mechanical antitheft lock have firm, stable, inexpensive laudatory title, wherein with the utility model comparatively approaching be China Patent No. 200520087303.8 disclosed a kind of " twisting resistance ball lock head ", its structure comprises the dead bolt of door lock, lock body, the lock core of locking-valve and tapered end, the centre circle of lock core is with the outer ring, in establish in respectively centre circle and outer ring the top pellet shot from a slingshot and outside the top pellet shot from a slingshot, driver blade one end is with baffle ring and is connected lock core with spring, the other end stretches into lock body through locking-valve, can resist brute force and reverse lock core, but when brute force is knocked lock core or brill and is unblanked core, driver blade can be disclosed into locking-valve and be turned on dead bolt, can not resist problem such as knock so exist.

Three, summary of the invention

The purpose of this utility model provides a kind of improved theftproof lock, both can resist brute force to reverse, but external force resistance knocks again, thereby improves theftproof performance.

For achieving the above object, the utility model comprises: the tapered end that is provided with the door lock of dead bolt, lock body, locking-valve and is provided with centre circle, outer ring, interior top pellet shot from a slingshot, outer top pellet shot from a slingshot, lock core is formed, respectively be provided with a latch on the driver blade both sides that connect lock core, locking-valve driving hole both sides respectively have a pin hole, set latch one end connects the centre circle of tapered end, the other end can unsettled turnover lock body through the pin hole of locking-valve, can prevent that driver blade when lock core is reversed and knocks by brute force from stretching into locking-valve by force and spur dead bolt in the lock body.

The utility model is owing to respectively be provided with a latch on the driver blade both sides that connect lock core, and locking-valve driving hole both sides respectively have a pin hole, so external force resistance knocks effectively; Simultaneously because do not lie in the basic structure that changes former twisting resistance ball lock head, so still can resist brute force to reverse.

Four, description of drawings

Concrete structure of the present utility model is provided by the following drawings.

Fig. 1 is according to the anti-cylinder lock front view that knocks of a kind of band latch that the utility model proposes.

Fig. 2 is the anti-tapered end schematic diagram that knocks cylinder lock of band latch shown in Figure 1.

Fig. 3 is the anti-lock body backboard schematic diagram that knocks cylinder lock of band latch shown in Figure 1.

Each sign expression in the accompanying drawing:

1. top pellet shot from a slingshot 11. pin holes in 6. driver blades, 7. latches, 8. centre circles, the 9. outer top pellets shot from a slingshot 10. of dead bolt 2. lock bodies 3. locking-valves 4. lock cores 5. outer rings

Five, the specific embodiment

As shown in Figure 1 and Figure 2, the scheme of the utility model design comprises: the tapered end that is provided with the door lock of dead bolt 1, lock body 2, locking-valve 3 and is provided with centre circle 8, outer ring 5, interior top pellet shot from a slingshot 10, outer top pellet shot from a slingshot 9, lock core 4 is formed, and respectively is provided with a latch 7 on driver blade 6 both sides of connection lock core 4.With reference to Fig. 3, also respectively have a pin hole 11 on locking-valve 3 driving hole both sides.Set latch 7 one ends connect the centre circle 8 of tapered end, and the other end can unsettled turnover lock body 2 through the pin hole 11 of locking-valve 3, can prevent lock core 4 by powerful when reversing and knocking driver blade 6 stretch into locking-valve 3 by force and dead bolt 1 in the pulling lock body 2.

Described latch (7) and pin hole (11) thereof are circular or prismatic.

Claims (3)

1. be with the anti-cylinder lock that knocks of latch for one kind, it comprises: be provided with dead bolt (1), lock body (2), the door lock of locking-valve (3) and be provided with centre circle (8), outer ring (5), interior top pellet shot from a slingshot (10), outer top pellet shot from a slingshot (9), the tapered end of lock core (4) is formed, it is characterized in that respectively being provided with a latch (7) on driver blade (6) both sides that connect lock core (4), locking-valve (3) driving hole both sides respectively have a pin hole (11), set latch (7) one ends connect the centre circle (8) of tapered end, the other end can unsettled turnover lock body (2) through the pin hole (11) of locking-valve (3), can prevent that driver blade (6) when lock core (4) is reversed and knocks by brute force from stretching into locking-valve (3) by force and pulling lock body (2) in dead bolt (1).

2. band latch according to claim 1 is anti-to knock cylinder lock, it is characterized in that described latch (7) and pin hole (11) thereof are circular.

3. band latch according to claim 1 and 2 is anti-to knock cylinder lock, it is characterized in that described latch (7) and pin hole (11) thereof are prismatics.

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