CN2151212Y

CN2151212Y - Closed bolt type lock for preventing thieves

Info

Publication number: CN2151212Y
Application number: CN 92240145
Authority: CN
Inventors: 薛明敬
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-12-05
Filing date: 1992-12-05
Publication date: 1993-12-29
Anticipated expiration: 2002-12-05

Abstract

The utility model relates to a closed bolt type lock for preventing thieves, which is composed of a left lock sleeve, a right lock sleeve, a lock axle, a lock core, etc. A handle is utilized to drive the lock axle to move in the lock sleeve, so the lock axle can be matched with a lock tongue to realize locking function, and the lock axle and an inner bolt can be matched with each other to be fixed on the unlocking position. By adopting the structure, the lock core and the lock axle can be totally sealed in the lock sleeve, and the bolt are connected with the door to be locked into an integrative structure; so the lock is prevented from being prized, and the reliable safety is assured. The utility model is applicable to the place in which the double doors are needed, such as widely rural families, bins, schools, factories, etc.

Description

Closed bolt type lock for preventing thieves

The utility model relates to the door lock that biparting boarded door is used.

The mode of locking a door that existing biparting boarded door is taked, majority are to add common padlock at iron rod with on the keeper that fixedly iron ring is formed.This mode is because lock is blocked by iron ring, and iron rod can not draw away and plays the effect of locking a door.Though this structure is more convenient, simple, effective, because lock and keeper outside being exposed to, are pried open easily, the double door that also has employing folding paper door nose locks again, then non insurance more.

The purpose of this utility model designs a kind of biparting boarded door that is suitable for exactly, and is more firm, solid, easy to use, door lock that can pick-proof.

Task of the present utility model is finished like this: design a kind of pick-proof door lock, by base plate, lock tube, key mouth 3, lock core 4, lock shaft 6, handle 9, set bolt 10, screw 11, interior latch 12, hollow bolt 13 is formed, about base plate and lock tube are divided into two, be connected to one separately, left side lock tube 2 is relative with end opening in the right lock tube 7, outer end closure, lock shaft 6 is housed in the lock tube, can in lock tube, horizontally slip, be equipped with lock core 4 on the lock tube, key mouth 3 has handle groove H, be equipped with handle 9 on the lock shaft 6, can be in handle groove H movable, drive lock shaft 6 and cooperate the realization blocking with the dead bolt 5 of lock core 4, or cooperate with interior latch 12 and to be fixed on the lockset position of coupler.Lock shaft 6 is step cylinders, and thin axle head has upper and lower two lock tongue slot S, can cooperate with dead bolt 5, and pin hole C and handle screw B in thick axle head has can cooperate with interior latch 12 and handle 9 respectively, and lock shaft 6 is installed in the lock tube.About lock tube is divided into two, left side lock tube 2 is that left end seals, the cylinder type hollow cover of right-end openings, the sealing end antetheca has round tube hole, key mouth 3 can be installed, be set with lock core 4 in the lock tube 2 of a left side, openend is relative with right lock tube 7, and can be that right-hand member seals by lock shaft 6 right lock tubes 7, the cylinder type hollow cover of left end opening, antetheca has handle groove H, can lay handle 9, the left end opening is relative with left lock tube 2 right-end openings, and lock shaft 6 is placed in the right lock tube 7, can drive by handle 9, on a left side, flexible lock core 4 is by dead bolt 5 in the right lock tube, locking plate 14, thumb wheel 15, snap 16, lock core cover 17 is formed, and is installed in left lock tube 2 sealing ends, connects as one with key mouth 3.Hollow bolt 13 has central through hole, latch 12 in can installing, and hollow bolt 13 is connected and fixed with right base plate 8 back sides, and set bolt 10 stage casings have radially screw, can be connected with screw 11, are fixed on the door-plate.During installation, base plate can be placed on the door-plate, according to bolt position boring, bolt is passed the door-plate hole tighten with nut, lock tube is to be welded on the base plate, lock shaft is installed in the right lock tube 7, handle 9 is passed in the screw B that handle groove H is screwed in lock shaft 6 fixing, install lock core 4 in the left lock tube 2, be fixed on the base plate, and pass door-plate with screw 11 and cooperate fixingly with the screw of set bolt 10, the mesopore that interior latch 9 can pass hollow bolt 13 stretches in the right lock tube 7.During use, pulling handle 9 is moved lock shaft 6 in the left lock tube 2 to by right lock tube 7, and lock shaft 6 tops and dead bolt 5 lock.With handle 9 lock shaft 6 is moved in the right lock tube 7 again after unblanking.Lock a door in the outside as preventing in door, can fix in the interior pin hole C with interior latch 12 insertion lock shafts 6, motionless lock shaft is drawn in the outside, promptly guarantees not lock a door.

Adopt this form of structure, because lock core 4, lock shaft 6 all are sealed in the lock tube, and keeper and door lock are integrated, and prevent picking lock, guarantee safety, add horizontal Screw 11 set bolt 10 on door-plate simultaneously, strengthened the pick-proof performance, more firmly solid, use also more convenient, be fit to very much the place with double door such as vast rural area household and warehouse, school, factory,, reached preferably and given the phase purpose through design and test.

Below accompanying drawing is illustrated.

Fig. 1 is the utility model partial cutaway elevation;

Fig. 2 is the partial cutaway vertical view of Fig. 1;

Fig. 3 is right lock tube partial cutaway elevation;

Fig. 4 is the lock shaft partial sectional view;

Fig. 5 is a lock tube partial cutaway elevation;

Fig. 6 is the partial cutaway vertical view of Fig. 5;

Fig. 7 is the lock core structure cross-section front view;

Fig. 8 is the vertical view of Fig. 7.

Among the figure: 1-left bottom plate, 2-left side lock tube, 3-key mouth, 4-lock core, the 5-handle, 6-lock shaft, the right lock tube of 7-, the right base plate of 8-, the 9-handle, 10-set bolt, latch in the 11-screw, 12-, the 13-hollow bolt, 14-locking plate, 15-thumb wheel, the 16-snap, 17-lock core cover, H-handle groove, pin hole in the B-handle screw, C-, the S-lock tongue slot.

The utility model is described in further detail by embodiment at last.

Lock tube adopts diameter phi 30mm, the seamless steel pipe of wall thickness 3mm is made, the long 220mm of left side lock tube, the long 320mm of right lock tube, left lock tube left side section rear aperture, with the lock core integral body left lock tube of packing into, the key mouth is contained in the anterior key oral pore of left lock tube, and the right section of right lock tube front portion has handle groove, groove width 4mm, the right lock tube rear portion relative at handle groove has interior pin hole, and handle is contained on the handle screw on the lock shaft by handle groove.Lock shaft is done with No. 45 steels of diameter phi 20mm, length overall 315mm, and one section thin axle that is processed into φ 10mm that left end 15mm is long is drilled with dead bolt hole outside thin shaft part upper and lower two.Be drilled with the handle screw in thick shaft part right part front, the back side has interior pin hole.Left and right two-phase lock cover is welded on the corresponding left and right base plate, base plate adopts steel plate to make, the left bottom plate back side is welded with two set bolts, the right base plate back side is welded with a set bolt, a hollow bolt, and interior latch can insert in the right lock tube by hollow bolt, during installation bolt is passed door-plate, in door-plate inner face fixed by nut, pass the radial hole reinforcement set bolt of bolt simultaneously at the Men Bianyong screw, can't demounting bolt after locking a door.

During practical application, double door is closed, move lock shaft to left lock tube from right lock tube, after the thin axle head of lock shaft is run into dead bolt with handle, the pressure snap retreats, lock shaft is to the end the time, and dead bolt is relative with dead bolt hole, and snap is pressed into dead bolt hole with dead bolt and promptly pins door, at this moment from the outside, door lock is totally enclosed lock tube, and internal construction is all sealed, and the someone thinks that picking lock also has no way of doing it.Use this door lock can guarantee double door do not pried open, safe and reliable, easy to use, be particularly suitable for the place that double door is installed in rural area household and town and country office, school, factory, warehouse etc., be with a wide range of applications and good social benefit.

Claims

1, a kind of pick-proof door lock, it is characterized in that it being by base plate, lock tube, pin spoon mouth 3, lock core 4, lock shaft 6, handle 9, set bolt 10, screw 11, interior latch 12, hollow bolt 13 is formed, base plate and lock tube are divided into a left side, right two, be connected to one separately, left side lock tube 2 is relative with end opening in the right lock tube 7, outer end closure, lock shaft 6 is housed in the lock tube, can in lock tube, horizontally slip, be equipped with lock core 4 in the lock tube, key mouth 3 is equipped with handle 9 on the lock shaft 6, can be movable in handle groove H, drive lock shaft 6 and cooperate with the dead bolt 5 of lock core 4, the realization blocking, or cooperate with interior latch 12 and to be fixed on the lockset position of coupler.

2, according to the described pick-proof door lock of claim 1, it is characterized in that said lock shaft 6 is step Cylinders, thin axle head has upper and lower two lock tongue slot S, can cooperate with dead bolt 5, pin hole C and handle screw D in thick axle head has can cooperate with interior latch 12 and handle 9 respectively.

3,, it is characterized in that said left lock tube 2 is that left end seals, the garden cylindricality hollow sleeve of right-end openings according to the described pick-proof door lock of claim 1, the sealing end antetheca has round tube hole can install key mouth 3, a left side is set with lock core 4 in the lock tube 2, and openend is relative with right lock tube 7, and can pass through lock shaft 6.

4, according to the described pick-proof door lock of claim 1, it is characterized in that said right lock tube 7 is that right-hand member seals, the cylinder type hollow cover of left end opening, antetheca has handle groove H, can lay handle 9, the left end opening is relative with left lock tube 2 right-end openings, and lock shaft 6 is placed in the right lock tube 7, and it is movable to be driven in left and right lock tube by handle 9.

5, according to the described pick-proof door lock of claim 1, it is characterized in that said lock core 4 overlaps 17 by dead bolt 5, locking plate 14, thumb wheel 15, snap 16, lock core and forms, be installed in left lock tube 2 sealing ends, be connected in one with key mouth 3.

6, according to the described pick-proof door lock of claim 1, it is characterized in that said hollow bolt 13 has central through hole, latch 12 in can installing, hollow bolt 13 is connected and fixed with right base plate 8 back sides.

7, according to the described pick-proof door lock of claim 1, it is characterized in that said set bolt 10 stage casings have radially screw, can be connected with screw 11, be fixed on the door-plate.