CN2474683Y - Anti theft door lock - Google Patents

Abstract

A lock of burglar-proof door comprises an end-plate of lock shell (1), a lock tongue (31), a lock tongue pusher (16) and a stick-shift (9), mainly characterized in that symmetrical toothed plates are positioned on two wings of the pusher (10). The toothed plate is moveably engaged with a half-toothed plate (21) which is movably connected with a hook plate (23) via self-pins. One end of the lock tongue pusher (16) is provided with an arc-shaped slot which is movably fitted with pins on a bolt plate (11). The other end of the lock tongue pusher (16) is fixedly connected with handling block (15) whereon a retraction torsion spring is positioned.

Description

Safe-guard door lock

The utility model relates to the improvement invention of safe-guard door lock, particularly has the livelock tongue, deadlock tongue and the improvement invention of the safe-guard door lock of latch hook mortise lock up and down.

In the prior art, the kind of safe-guard door lock is a lot, look into the 92239511.X safe-guard door lock, the main dead bolt that is connected on the main dead bolt pin with screw in this lock body has an inclined-plane, this dead bolt back is provided with spring, secondary dead bolt pin is contained in main dead bolt back, and be connected with secondary dead bolt by swing-bar mechanism, cam and water caltrop are housed on the handle axle, main dead bolt back is provided with a jam plate by tapered end control, in an indoor side one safeties is housed, for strengthening anti-destructive, this lock has designed fire prevention, anti-drilling and anti-plectrum, has used the steel pellet shot from a slingshot in tapered end.The structure of this lock has reached antitheft purpose really, but complex structure, part is various, bring many troubles to manufacturing, the handle piece rests on the optional position after operation in addition, can not return, make the total quality of safe-guard door lock be subjected to certain influence, giving user's impression is blemish in an otherwise perfect thing.

In view of the problem that known technology exists, the purpose of this utility model aim to provide after the relative advantages of simple of a kind of structure, the handle operation can self-return and have a safe-guard door lock that movable lug, dead tongue and mortise lock are incorporated into one.

The utility model is finished as follows, whole safe-guard door lock includes lock shell plate, dead bolt, the dead bolt push rod, handle and band keyhole are dialled mechanism with the fork of changing hands handle and are formed, it is characterized in that pitching group mechanism is fixedlyed connected with the screw on the assembling junction plate by the screw on the fork group seat, rotate along Handle axis after pitching the lock core in shifting block and the keyhole and changing hands the handle assembling, the fork shifting block is stuck in the groove of retaining plate, have push rod on the described retaining plate, this push rod can be along the horizontal slotted hole move left and right on the retaining plate, the slotted hole at retaining plate two ends become to cooperate with pin on being located at lock shell plate, one end of described dead bolt push rod is provided with long arc-shaped holes, and this slotted hole becomes movingly with pin on the bolt plate.The other end of dead bolt push rod is fixedlyed connected with handle, and on the handle piece return torsion spring is housed.The other end of described push pedal is provided with vertical slotted hole, and this slotted hole becomes movingly with pin on the lock shell plate.The other end of described push pedal is divided into the both wings of symmetry along the center line grooved bore, on described wing plate edge, be provided with tooth plate, and on two wing plates, be provided with the symmetry slotted hole, described bolt plate also is divided into the both wings of symmetry along its center line position grooved bore, and be provided with pin at the back side of wing plate and become movingly with the slotted hole of push pedal both wings, and on the lock shell plate of described bolt plate grooved bore, be provided with spring base, spring base on this spring base and the bolt plate is connected into as a whole by spring, the both sides of described push pedal both wings tooth plate are provided with half tooth plate of band pin, described half tooth plate becomes movable engagement with tooth plate, described push pedal both wings one side is provided with band hook plate mortise lock one-tenth half tooth plate movingly up and down.Described push pedal is contained in the back of bolt plate.The location flat spring is housed in the described push pedal, and the slotted hole plate of described hook plate mortise lock is by assembling junction plate location.

The utility model is compared with known technology, have the relative advantages of simple of structure, flexible and convenient operation, no matter the scientific combination that is anti-drilling its mechanical part of windproof movable lug, antitheft dead tongue and hook plate mortise lock completely becomes one, and handle has the return function, improves and the perfect total quality of safe-guard door lock.According to the safe-guard door lock of the utility model design motif made, will bring good positive result of use to the user.

The utility model has following accompanying drawing.

Fig. 1 is a structural representation of the present utility model.

Accompanying drawing has been represented structure of the present utility model and embodiment, further describe each relevant details and operating principle thereof of embodiment below more in conjunction with the accompanying drawings, door lock is by lock shell plate 1, dead bolt 31, fork dials 9, dead bolt push rod 16 is formed, described dead bolt 31 stems have the inclined-plane and are connected in one with bolt plate 11, push pedal 10 is contained in the back of bolt plate 11, the one end is provided with vertical slotted hole 10-1 and becomes movingly with shop bolt on being located at lock housing, its other end then forms both wings along push pedal center line grooved bore, the edge of wing plate 10-2 is tooth plate 10-4, the plane of wing plate is provided with the slotted hole 10-3 of symmetry, 27 one-tenth of the pins at this slotted hole 10-3 and bolt plate 11 back sides movingly, fluting in the middle of the bolt plate 11, and be provided with spring base 29, this spring base is connected by spring 28 with spring base 30 on being located at lock shell plate, and each mechanical part scientific combination is movingly completely become one.Described bolt plate 11 is provided with fixing pin 11-1, and this fixing pin becomes movingly with circular arc slotted hole 16-1 on the dead bolt push rod 16.One end of dead bolt push rod 16 is fixedlyed connected with handle, the handle piece is provided with return torsion spring (not shown), the both sides of 10 liang of wing plates of described push pedal are provided with half tooth plate 21,25 these half tooth plates become the activity engagement with tooth plate, described half tooth plate 21 is provided with pin 22, this pin 22 becomes movingly with slotted hole on the hook plate 23, the orifice plate of slotted hole is by assembling junction plate 19 location, described and push pedal 10 fixing pin 1-2 are coaxially installed with retaining plate 2, this retaining plate 2 is provided with horizontal slotted hole 2-2, and this slotted hole 2-2 becomes movingly with fixing pin 1-2.The other end slotted hole 2-1 of its retaining plate 2 becomes movingly with pin 1-1, retaining plate 2 is provided with top board 2-3, push pedal 10 is provided with location flat spring 14, the fork that will have keyhole and change hands handle is dialled mechanism 9 and is installed on the lock shell plate 1 and with assembling junction plate (not shown) and fixes, the fork that fork is dialled mechanism 9 dial with retaining plate 2 on groove become movingly, when key is opened tapered end or rotated fork when dialling, push safeguard 3 open, making retaining plate 2 dial 9 with fork along its elongated slot 2-1 moves, after moving into place, fork is dialled 9 and is left safeguard, and safeguard 3 resets, block retaining plate 2, with reach dead bolt have man-hour windproof nobody the time locked purpose.When the utility model locking is gone out, putting in keyhole with key rotates fork and dials 9 and move up, move on the retaining plate 2, top board 2-3 dieback bolt plate 11 on the retaining plate 2, because the effect of spring 28 and dead bolt push rod 16, half tooth plate 21,25 of both sides symmetry moves down into the end of push pedal both wings tooth plate 10-6, and hook plate mortise lock 23,24 inserts gate slot up and down, to reach anti-drilling, antitheft purpose.When there being the people not need when locked within doors, fork is dialled the 9 top board 2-3 with retaining plate 2 and is dialled on one side, the rotation handle, and bolt plate 11 can move freely in push pedal 10, to reach windproof purpose.The utility model is rational in infrastructure, easy to operate, anti-drilling, antitheft, is the strick precaution lockset of Modern Family and each office space first-selection.

Claims (5)

1, a kind of safe-guard door lock, include lock shell plate (1), dead bolt (31), dead bolt push rod (16), handle (15) and band keyhole and the fork of changing hands handle are dialled mechanism (9) and are formed, it is characterized in that the utility model is provided with bolt plate (11), push pedal (10), mortise lock hook plate (23) (24) and retaining plate (2) up and down, screw on described fork is dialled mechanism (9) and pitched group seat and the screw on the assembling junction plate (19) are fixedlyed connected, fork is dialled the lock core in (9) and the keyhole and is changed hands handle assembling back and rotate along Handle axis, the fork shifting block is stuck in the groove of retaining plate (2), have push rod (2-3) on the described retaining plate (2), this push rod (2-3) can be along the horizontal slotted hole move left and right on the retaining plate (2), the slotted hole (2-1) at retaining plate (2) two ends (2-2) be located at lock shell plate (1) on pin (1-2) become movingly with pin (1-1), one end of described dead bolt push rod (16) is provided with long arc-shaped holes (16-1), this slotted hole becomes movingly with pin (11-1) on the bolt plate (11), the other end of dead bolt push rod (16) is fixedlyed connected with handle (15), and the return torsion spring is housed on the handle piece, one end of described push pedal (10) is provided with vertical slotted hole (10-1), this slotted hole becomes movingly with pin on the lock shell plate (1), the other end of described push pedal (10) is divided into the wing plate (10-2) of symmetry along the center line grooved bore, on described wing plate (10-2) edge, be provided with tooth plate (10-4), and on two wing plates, be provided with the symmetry slotted hole (10-3), described bolt plate (11) also has slotted eye along the center and is divided into both wings, be provided with pin (27) becomes movingly with slotted hole (10-3) on push pedal (10) wing plate at the back side of its wing plate 11-1, and on the slotted eye position of described bolt plate (11), be provided with spring base (29), this spring base is connected with spring (28) with spring base (30) on the lock shell plate (1), and described push pedal (10) both wings one side is provided with the band mortise lock (23) of hook plate up and down, (24) one-tenth half tooth plate (21) movingly.

2, safe-guard door lock as claimed in claim 1 is characterized in that push pedal (10) is contained in the back of bolt plate (11).

3, safe-guard door lock as claimed in claim 1 is characterized in that being equipped with in the push pedal (10) location flat spring (14).

4, safe-guard door lock as claimed in claim 1 is characterized in that half tooth plate (21) becomes movable engagement with the tooth plate 10-4 of push pedal both wings.

5, safe-guard door lock as claimed in claim 1 is characterized in that installing the locating piece of junction plate (19) double as mortise lock hook plate 23,24.