CN2342060Y

CN2342060Y - Rolling gate door lock with double floor hooks

Info

Publication number: CN2342060Y
Application number: CN 97246120
Authority: CN
Inventors: 周树成
Original assignee: GANGSHENG SPECIAL LOCK FACTORY XIAOLAN TOWN ZHONGSHAN CITY
Current assignee: GANGSHENG SPECIAL LOCK FACTORY XIAOLAN TOWN ZHONGSHAN CITY
Priority date: 1997-12-11
Filing date: 1997-12-11
Publication date: 1999-10-06
Anticipated expiration: 2007-12-11

Abstract

The utility model is composed of a lock shell (1), a cover plate 2, a lock (3), a turning gear (4), a shafting needle (5), a driving gear (6) and a driving arm (7). The utility model is characterized in that the middle part of the lock shell (1) is provided with an oblong slide plate (8); the lower part of the oblong slide plate (8) is provided with two 'L'-shaped floor hooks (9) in a symmetrical arrangement; the two 'L'-shaped floor hooks (9) in a symmetrical arrangement are connected through an extension spring (10); the lower part of the 'L'-shaped floor hooks (9) is provided with an oblong buckle plate (10) with slots; one end of the lock shell (1) is also provided with a safety plate (12) with raised heads. The utility model has strong anti-prying and safety function, and the utility model is a rolling gate door lock with strong anti-theft performance and strong practicability.

Description

A kind of rolling gate door lock with double floor hook

A kind of rolling gate door lock with double floor hook is five metals building machinery, particularly door locks.

Commercially available rolling gate door lock is plank frame at present, and transmission arm is driven in the slotted eye of two latches insertion side walls by it, and rolling-gate is pinned in the lock housing both sides.This locking mode is single, is easy to be pried open, in case tapered end is destroyed, just might rotates transmission arm and rolling-gate is opened, thereby security performance is not good.The utility model provides a kind of novel rolling gate door lock, it not only has the locking function of rolling gate door lock now, it can increase a locking device what is more important on the direction of advance of rolling-gate, the door leaf of rolling-gate is pinned from the bottom, be unable to stir any more, promptly possessed dual locking function, even from the outside tapered end has been destroyed, rotated transmission arm, but this locking device of bottom can not open, have safety effect.It has also installed a manual safety plate at the back side of the present utility model again, and owner's locking in doors also can pull on safeguard behind the door, and the people of outside can not leave behind the safeguard at the back side to open lock, and therefore, it has triple locking functions.

The utility model is achieved in that the inner chamber assembling one slide-plate at rolling gate door lock now, and it can be slided up and down with the translation of transmission arm.Have the iron plate of two " L " types to be installed in the slide plate below, along with sliding up and down of slide plate, " L " sections plate also can be from the rolling-gate lock body opens or draws in to both sides.A buckle has been installed, grooved hole in the buckle below rolling gate door lock.When rolling-gate fell, these two blocks of " L " sections plates just in time fell into this buckle slotted eye, and at this moment " L " sections plate just tightly fastens buckle, and can not deviate from from slotted eye, so just with rolling-gate locking on the direction of bottom.Down withstand " L " sections plate after slide plate slides into the below, at this moment " L " sections plate opens to both sides, in case promote rolling-gate, " L " sections plate can break away from buckle.In addition, a safeguard also has been installed in the inner chamber of this rolling-gate, it is moved up, a plush copper of safeguard is just in time inserted in the wedge mouth of transmission arm, from and with the rolling-gate locking, can not open rolling-gate even the people of outside has under the situation of key, live, be unable to stir any more because of the transmission arm integrated circuit board that has been insured.Have only safeguard is passed downwards, its plush copper is deviate from from the wedge mouth of transmission arm, could start rolling gate door lock with key.

Fig. 1 is an elevation of the present utility model.

Fig. 2 is a positive view of the present utility model.

Fig. 3 is a lock body B-B sectional view of the present utility model.

With reference to the accompanying drawings 2 and accompanying drawing 3 can narrate the utility model like this: a kind of rolling gate door lock with double floor hook, form by lock housing (1), cover plate (2), tapered end (3), turning gear (4), driving lever (5), driving cog (6), transmission arm (7), at the middle part of lock housing (1) the square slide plate of a block length (8) is arranged, rectangle slide plate (8) contacts with " L " type ground hook (9) of two symmetric arrays, " L " type ground hook of two symmetric arrays links to each other by extension spring (10), and the strip buckle (11) in trough of belt hole is housed in the below of " L " type ground hook (9).The rectangle safeguard (12) of a band plush copper also is housed at an end of lock housing (1) in addition.

The utility model has the advantages that significantly.This rolling gate door lock has triple locking functions, and it can pin the both sides of rolling-gate, the bottom locking of rolling-gate can also can be fixed a side transmission arm with safeguard again.People outdoors has the key door of also not opening.Even the thief has destroyed also difficulty to tapered end and rolling-gate has been opened.Therefore, it has very strong pick-proof, insurance function, is the very strong rolling gate door lock of a kind of theftproof, practicality.Applying of this lock will have good social benefit and economic benefit.

With reference to the accompanying drawings 2 and accompanying drawing 3 shown in structure, certain factory's processing and fabricating goes out the rolling gate door lock of this band double floor hook, and is installed on the rolling-gate.It is gone slick, and opens flexibly, produces a desired effect.The state ministry of public security door be responsible for the criminal investigation scientific research personnel's field inspection this lock, they think that also this lock construction is reasonable, theftproof is strong, and promotional value is arranged.

Claims

1. rolling gate door lock with double floor hook, form by lock housing (1), cover plate (2), tapered end (3), turning gear (4), driving lever (5), driving cog (6), transmission arm (7), it is characterized in that the square slide plate of a block length (8) being arranged at the middle part of lock housing (1), rectangle slide plate (8) contacts with " L " type ground hook (9) of two symmetric arrays, " L " type ground hook (9) of two symmetric arrays links to each other by extension spring (10), and the strip buckle (11) in trough of belt hole is housed in the below of " L " type ground hook (9).

2. a kind of rolling gate door lock with double floor hook according to claim 1 is characterized in that at an end of lock housing (1) a rectangle safeguard (12) of being with plush copper being housed also.