CN2389980Y - Double fix bolt mechanical theft door lock - Google Patents

Abstract

The utility model relates to a double fixing tongue mechanical theftproof door lock. A connecting post of a handle of the utility model passes through a slit hole of a lock tongue plate, and the end part of the connecting post is fixed on a shifting plate of the handle which corresponds to a baffle plate of the lock tongue plate. The front end of an inclined tongue plate which is provided with a spring on the rear end is provided with an inclined tongue, and the inclined tongue plate is arranged in an inclined tongue hole in the center of the side wall. A switch board of the inclined tongue connected with the inclined tongue plate is connected with a hanging tongue plate through a hinge. Two fixing tongues fixed on the front end of a fixing tongue plate correspond to fixing tongue holes which are symmetrical to both sides of an inclined tongue hole of a lock casing. Upper tooth spaces and lower tooth spaces are not aligned, and the upper and the lower spaces are arranged in a center hole of the fixing tongue plate, both sides of which corresponds to a supporting shaft. Groove-shaped openings sheathed on the supporting shaft are arranged on a locking plate of a clamping pin which corresponds to the lower tooth spaces. The utility model has the advantages of simple structure, compact structure, and convenient installation.

Description

The double fix bolt Mechanical theft-proof door lock

The utility model relates to a kind of lockset.

The lockset that door is upward commonly used generally all is to be provided with two dead bolts in lock body the same side at present, promptly oblique tongue and slow-witted tongue.Its weak point is will divide L.H.flapped door and R.H.flapped door in use, makes troubles to installation.Each corresponding handle of each dead bolt in addition, not only complex structure but also profile are not attractive in appearance yet.

The purpose of this utility model is to provide a kind of simple in structure, all spendable double fix bolt door lock of left and right opening door.

The purpose of this utility model can realize by following measure: a kind of double fix bolt Mechanical theft-proof door lock, it comprises lock housing, the back shroud and the handle of band pusher dog, it is characterized in that: the handle joint pin passes the through hole on the lock shell plate, the part that is positioned at lock housing is passed the horizontal cylindrical void at oblique tongue plate rear portion, on the oblique tongue plate of these horizontal cylindrical void both sides, be provided with vertical baffle, this oblique tongue plate front end is fixed with oblique tongue, it places on the inclined tongue hole at lock housing front side wall middle part, the outer male member of oblique tongue plate rear end is provided with the spring that can be against on the lock housing rear wall, it is the eccentric orfice that the rectangle handle of circular arc is dialled plate that above-mentioned handle joint pin also passes four jiaos of being positioned between oblique tongue plate two baffle plates, and it is fixedly connected with it, the slit opening at oblique tongue plate middle part is corresponding with the hook of oblique tongue switchboard, this oblique tongue switchboard links to each other with solid tongue plate by hinge, this solid tongue plate front end is established two slow-witted tongues, they are corresponding with the monosymmetric solid tongue hole of lock housing inclined tongue hole, solid tongue plate dual-side up and down is provided with slit opening, it is corresponding with the vertical bolster that is located on the lock shell plate, through hole top, solid tongue plate middle part is provided with and can goes up teeth groove with corresponding 2 of bonnet pusher dog, bottom be provided with can be corresponding with evagination bayonet lock on the latch central through hole 3 following teeth groove, they are relatively staggered, dual-side is provided with and is enclosed within slit opening vertical on two bolsters respectively about the latch, its two ends of torsion spring that are fixed on the upper support axle are separately fixed on the fixture of latch evagination, its free end of the pusher dog of back shroud inboard passes the centre bore of latch and solid tongue plate, can contact with oblique tongue switchboard driving lever.Vertical slit opening about the latch on the dual-side is corresponding with the undergauge on bolster top, and the bottom of one of them slit opening is provided with the through hole greater than the bolster diameter.The vertical slit opening about the latch on the dual-side and the bayonet lock of latch coexist on the vertical center line.The through hole that lock shell plate has the handle joint pin to pass is provided with the vertical edge edge of turning in lock housing.

The utility model mainly includes: lock housing, handle, handle are dialled plate, oblique tongue, oblique tongue plate, oblique tongue switchboard, slow-witted tongue, solid tongue plate, latch, torsion spring, bearing post and back shroud.

The lock shell plate rear portion is provided with through hole, has the handle joint pin in the lock housing of being located at outside to pass in it.The part that this handle joint pin is positioned at lock housing passes oblique tongue plate successively and handle is dialled plate, and the end is located by securing member.Oblique tongue plate is a rectangular slab substantially, and its front end is fixed with oblique tongue, and it is positioned on lock housing front side wall middle part and the corresponding inclined tongue hole in its cross section.The oblique tongue plate rear end is provided with outer male member, which is provided with the spring that can be against on the lock housing rear wall.The rear portion of oblique tongue plate is provided with the horizontal strip through-hole greater than handle joint pin external diameter, and it is not only for the oblique tongue plate guiding but also do not influence the motion of oblique tongue horizontal direction.Both sides are provided with vertical baffle plate before and after this cylindrical void, and it can be set up separately, also can be that oblique tongue plate self bending constitutes.It is four jiaos of rectangular slabs that are circular arc that handle is dialled plate, which is provided with eccentric through hole, and it is fixedlyed connected with the handle joint pin.Rotate handle, when handle was dialled the plate free end and contact with the oblique tongue plate front apron, tiltedly tongue was pushed to inclined tongue hole and also fixes outward; When handle was dialled the plate free end and contacted with the oblique tongue plate backboard, tiltedly tongue was pulled in the inclined tongue hole and is fixing; Oblique tongue becomes and bumps tongue when handle is dialled the plate free end and do not contacted with the front and rear baffle of oblique tongue plate.Be provided with slit opening at this oblique tongue plate middle part, it is with tiltedly the tongue switchboard is corresponding.This oblique tongue switchboard is a crank, and its side is provided with the hook corresponding with the oblique tongue plate slit opening, and opposite side is the driving lever of oblique tongue plate, and the crank middle part is provided with through hole, and it links to each other with solid tongue plate by hinge.This solid tongue plate front end is provided with two slow-witted tongues, and they are corresponding with the solid tongue hole on the lock housing, and this two solid tongue hole is positioned at the inclined tongue hole both sides and is symmetry with it.Should not limit by slow-witted tongue cross sectional shape, it can be that rectangle also can be circular or annular.Solid tongue plate dual-side up and down is provided with slit opening, and it cooperates with the vertical cylindrical support axle that is located on the lock shell plate is that solid tongue plate leads.Be equipped with teeth groove in the bottom on the through hole at solid tongue plate middle part, the top has 2 to go up teeth groove, and there are 3 following teeth groove in bottom, and they are relatively staggered, and wherein going up teeth groove can be corresponding with the pusher dog on the back shroud, and following teeth groove is corresponding with the evagination bayonet lock on the latch central through hole.This latch up and down dual-side is provided with vertical slit opening, and they are enclosed within respectively on the bolster of lock shell plate and by its guiding.Be fixed on the torsion spring on the upper support axle, its two ends are separately fixed on the fixture of evagination on the latch.Be provided with back shroud on latch, the centre bore that its free end of bonnet pusher dog that its inboard is flexibly connected by sleeve pipe passes latch and solid tongue plate can contact with oblique tongue switchboard.Locking states latch endoporus blocks teeth groove on the solid tongue plate, and the latch bayonet lock is stuck under the solid tongue plate on the teeth groove.During with key turns bonnet pusher dog, pusher dog promotes earlier to move on the latch, meanwhile the bayonet lock on the latch also with on move, pusher dog enters solid tongue plate on last in the teeth groove, with its pusher, bayonet lock is also crossed last tooth top down, when pusher dog leaves perforation during rotation, to moving down, bayonet lock drops down onto in the previous teeth groove down latch under the torsion spring effect.In like manner pusher dog enters second of solid tongue plate and goes up in the teeth groove it again during tooth pitch of pusher, in the slow-witted whole indentation lock housings of tongue.Then rotate pusher dog again, it could contact with oblique tongue switchboard driving lever, and pushes away on it.This oblique tongue switchboard other end moves thereupon backward, and it drives oblique tongue plate again and moves backward, until all contracting to oblique glossal canal.

The utility model has following advantage compared to existing technology: protect in outer, the outer guarantor in it has, freely bump complete function such as tongue.Simple in structure, easy assembling, low, the dependable performance of cost, simple to operate during use.Motion stabilization provides convenience for lockset user's installation.

Drawing is described as follows:

Fig. 1 is that the utility model master looks generalized section.

Fig. 2 is the A-A view of Fig. 1.

Fig. 3 be among Fig. 1 tiltedly the master of tongue and oblique tongue plate look schematic diagram.

Fig. 4 is that the master who stays tongue and solid tongue plate among Fig. 1 looks schematic diagram.

Fig. 5 is that the B of Fig. 2 is to view.

Fig. 6 is that the master of latch looks schematic diagram among Fig. 1.

The utility model is described in further detail to utilize the example shown in the accompanying drawing.In the schematic diagram of double fix bolt Mechanical theft-proof door lock illustrated in figures 1 and 2, being located in the handle 2 in lock housing 1 outside has the semi-transparent hole of opening towards lock housing, establishes spring 3 and ball 4 in it, and they can be corresponding with the locating hole less than its diameter on the lock housing.Handle joint pin 5 passes the through hole on the lock shell plate, and this through hole is provided with the vertical edge that turns over along 6 in lock housing.This handle connector also passes the horizontal strip through-hole at oblique tongue plate 7 rear portions, and the vertical baffle 8 of both sides is the flanging of oblique tongue plate self before and after this cylindrical void.The oblique tongue plate rear end is provided with outer male member 9, which is provided with spring 10, and it is enclosed within again on the spring base 11 on the lock housing rear wall.The oblique tongue plate front end is fixed with oblique tongue 12, and it is positioned on lock housing front side wall middle part and the corresponding inclined tongue hole in its cross section.Four jiaos of rectangle handles that are circular arc are dialled plate 13, which is provided with eccentric through-hole, and it is fixedlyed connected with the handle joint pin.Be provided with slit opening 14 at the oblique tongue plate middle part, as shown in Figure 3, it is corresponding with the hook of oblique tongue switchboard 15.This oblique tongue switchboard links to each other with solid tongue plate 17 by hinge 16, as shown in Figure 4.This solid tongue plate front end is established the slow-witted tongue 18 of two cylinders, and they are corresponding with the monosymmetric solid tongue hole of lock housing inclined tongue hole, as shown in Figure 5.Solid tongue plate dual-side up and down is provided with slit opening, and it is corresponding with the vertical bolster 19 that is located on the lock shell plate.2 of solid tongue plate middle part through holes are gone up teeth groove 20 and 3 following teeth groove 21 and are interlocked relatively, and wherein going up teeth groove can be corresponding with the pusher dog 23 on the back shroud 22, and following teeth groove can be corresponding with the evagination bayonet lock 25 on latch 24 centre bores.In Fig. 2 and Fig. 6, latch up and down dual-side is provided with coexist slit opening 26 on the vertical center line of bayonet lock with latch.This opening is corresponding with the undergauge on bolster top, when they are enclosed within on the bolster of lock shell plate respectively, can not only guarantee latch parallel motion up and down, and makes that the structure of lockset inside is compact more.For ease of installing, be provided with through hole in the bottom of an above-mentioned slit opening greater than the bolster diameter.Torsion spring 27 its two ends that are fixed on the upper support axle are separately fixed on the fixture of latch evagination.Its free end of bonnet pusher dog of back shroud inboard passes latch and stiff centre bore, can contact with oblique tongue switchboard driving lever.

Claims (4)

1, a kind of double fix bolt Mechanical theft-proof door lock, it comprises lock housing (1), the back shroud (22) and the handle (2) of band pusher dog, it is characterized in that: handle joint pin (5) passes the through hole on the lock shell plate, the part that is positioned at lock housing is passed the horizontal cylindrical void at oblique tongue plate (7) rear portion, on the oblique tongue plate of these horizontal cylindrical void both sides, be provided with vertical baffle (8), this oblique tongue plate front end is fixed with oblique tongue (12), it places on the inclined tongue hole at lock housing front side wall middle part, the outer male member (9) of oblique tongue plate rear end is provided with the spring (10) that can be against on the lock housing rear wall, it is that the rectangle handle of circular arc is dialled the eccentric orfice of plate (13) that above-mentioned handle joint pin also passes four jiaos of being positioned between oblique tongue plate two baffle plates, and it is fixedly connected with it, the slit opening (14) at oblique tongue plate middle part is corresponding with the hook of oblique tongue switchboard (15), this oblique tongue switchboard links to each other with solid tongue plate (17) by hinge (16), this solid tongue plate front end is established two slow-witted tongues (18), they are corresponding with the monosymmetric solid tongue hole of lock housing inclined tongue hole, solid tongue plate dual-side up and down is provided with slit opening, it is corresponding with the vertical bolster (19) that is located on the lock shell plate, through hole top, solid tongue plate middle part is provided with and can goes up teeth groove (20) with corresponding 2 of bonnet pusher dog, bottom be provided with can with corresponding 3 the following teeth groove (21) of outer tappet pin (25) in latch (24) central through hole, they are relatively staggered, dual-side is provided with and is enclosed within slit opening vertical on two bolsters (26) respectively about the latch, its two ends of torsion spring (27) that are fixed on the upper support axle are separately fixed on the fixture of latch evagination, its free end of the pusher dog of back shroud inboard (23) passes the centre bore of latch and solid tongue plate, can contact with oblique tongue switchboard driving lever.

2, double fix bolt Mechanical theft-proof door lock according to claim 1 is characterized in that: the vertical slit opening about the latch on the dual-side is corresponding with the undergauge on bolster top, and the bottom of one of them slit opening is provided with the through hole greater than the bolster diameter.

3, double fix bolt Mechanical theft-proof door lock according to claim 1 and 2 is characterized in that: the vertical slit opening about the latch on the dual-side and the bayonet lock of latch coexist on the vertical center line.

4, double fix bolt Mechanical theft-proof door lock according to claim 3 is characterized in that: the through hole that lock shell plate has the handle joint pin to pass is provided with the vertical edge edge (6) of turning in lock housing.

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