CN2522550Y - Double-latch spherical door lock - Google Patents

Abstract

The utility model relates to a double-latch spherical door lock which is of a square latch and a slanting larch. The utility model comprises a handle and a lock core. A lock head is in the lock core. One end of the lock core is connected with a transmission piece. The other end of the transmission piece is in a large transmission bowl. One end of a small transmission bowl is connected with the large transmission bowl, and the other end of the small transmission bowl is connected with a V-slot square pole. The lock core is covered by a jacket, the outside of which is an external ball handle; according to the latch structure, the upper part is the drive structure of the square latch. A hemmed gas is arranged on a v of the square latch. The external end head of a lifting block is arranged in the hemmed gap. A V-shaped slot hole at the center of the lifting block is driven by the V-slot square pole. In addition, the external end of the lifting block is provided with a steel flat spring, one end of which is fixed on the hem of the trailing bar of the square latch and the other end of which is pressed on the external end of the lifting block; The lower part of the latch structure is provided with the slanting latch drive structure. The back part of the slanting latch is provided with a small trailing bar. And a large trailing bar is connected with the small trailing bar. An alveolar lifting piece jackets the shaft of the lifting block.

Description

Two tongue door lock with knobs

One, technical field:

The utility model is the door lock with knob of a kind of side of having simultaneously tongue and oblique tongue, belongs to the technical field that lockset is made.

Two, background technology:

Existing various ball lock has only an oblique dead bolt, when using this kind lock, except plaing a part to close the door, if door lock need be closed, the knob on then will inner handle lift into or rotate after reach the effect of locking.Yet this lock need design thinlyyer, because structural reason, various faults appear in this lock regular meeting, makes to unblank ineffectively, even the phenomenon that can't open occurs.

Three, summary of the invention:

(1) goal of the invention

Goal of the invention of the present utility model provides a kind of simple in structure, thin thickness, the service-strong side of having tongue and oblique two tongue ball locks of tongue.

(2) technical scheme

The utility model is made up of square tongue and inclined-plane tongue two parts, and wherein square tongue opening mechanism is made up of the key of outdoor handle part, tapered end, lock core, driver blade, big transmission bowl, the moving bowl of brief biography, V groove square bar, the shifting block of dead bolt structure division, square tongue drawing plate, square tongue, steel flat spring.Inner handle part by: knob, knob sleeve, square hole plectrum are formed.

The inclined tongue of lock opening mechanism is by: outer bundle of spheres, overcoat, saddle plectrum, saddle, upper slide rest, tiltedly tongue, small pressure spring, stage clip, interior cover, interior bundle of spheres are formed.

The utility model is in the handle and lock core part of ball lock, tapered end is arranged in lock core, one end of lock core is connected with driver blade, the other end of driver blade is arranged in big transmission bowl, the big transmission bowl of one termination of the moving bowl of brief biography, another termination V groove square bar, the outside of lock core is an overcoat, big transmission bowl can be moving in the overcoat transfer, and the outside of overcoat is outer bundle of spheres; In the dead bolt structure division, the drives structure of the side of being, top tongue, the side's of being tongue, square tongue drawing plate are as a whole, on square tongue drawing plate, be provided with the flanging breach, the external end head of shifting block is arranged in the flanging breach, and the V-shaped groove hole at shifting block center is inserted by V groove square bar and driven, and the place also is provided with a steel flat spring in the shifting block outer end, on the flanging of the one end side of being fixed on tongue drawing plate of this steel flat spring, the other end is pressed in the outer end of shifting block; Lower Half at the dead bolt structure division is provided with oblique tongue drive part, is provided with upper slide rest at the rear portion of oblique tongue, is connected with saddle behind upper slide rest, is being provided with stage clip behind the saddle and between the lock housing, and the saddle plectrum is enclosed within outside the central siphon of shifting block; The circumference of saddle plectrum is provided with a crescent, and an end of overcoat inserts in the crescent.

The utility model side's tongue mechanism action is as follows: locking: insert the tapered end rotary locking cylinder by key outdoors and drive driver blade, big transmission bowl, the moving bowl of brief biography, V groove square bar, insert shifting block to locking direction rotation 45 degree by V groove square bar, and the side's of stirring tongue drawing plate stretches out outside the lock body the square tongue of its connection, the effect of steel flat spring simultaneously, make in the breach of the shifting block side of blocking tongue drawing plate to reach the retaining effect, play the effect of locking.

Drive knob sleeve square hole shifting block by knob to the rotation of locking direction in the door and drive the V groove square bar that inserts shifting block again, shifting block is reached to the effect of moving back in the breach that locking direction rotation 45 degree tongue drawing plate interlock side, the side of the making tongue effects of steel flat spring simultaneously of stretching out outside lock body make its shifting block side of blocking tongue drawing plate, play the locking effect.

Open: use key, or knob is to the opposite spin of locking, makes the indentation, there of the shifting block side of blocking tongue drawing plate after interior simultaneously to the square tongue lock body of withdrawing fully, block making it must not arbitrarily stretch out the effect that reaches unlatching by the effect of steel flat spring.

The oblique tongue mechanism action of the utility model is as follows: the outer unlatching: place the ectosphere handle, drive the overcoat that inserts the saddle shifting block, make the saddle shifting block stir saddle, the pulling upper slide rest makes in the oblique tongue withdrawal lock body to reach purpose of opening simultaneously.

The interior unlatching: rotation endosphere handle drives the interior cover that inserts overcoat and makes overcoat rotation saddle shifting block, and saddle pulling upper slide rest is made in the oblique tongue withdrawal lock body simultaneously, reaches purpose of opening.

Locking makes oblique tongue by the effect of small pressure spring and stage clip, upper slide rest, and the saddle shifting block, overcoat, interior cover, outer bundle of spheres, interior bundle of spheres is replied locking states, makes oblique tongue reach the locking purpose.

(3) technique effect

Advantage of the present utility model is thin thickness, can be applicable to that relatively thinner door uses.Have oblique tongue and square tongue simultaneously, and control locking and unlatching respectively, so the reliability height that uses, fault rate is extremely low.In addition, this lock is overall simple in structure, so cost is low, and is easy to manufacture.

Four, description of drawings:

Fig. 1 is the structural representation of dead bolt structure division of the present utility model.Wherein have: shifting block 8, V-shaped groove hole 81, square tongue drawing plate 9, flanging breach 91, square tongue 10, steel flat spring 11, panel 12, contiguous block 13, lock housing 14, saddle shifting block 20, saddle 21, crescent 201, upper slide rest 22, oblique tongue 23, small pressure spring 24.

Fig. 2 is the structural representation of outdoor handle of the present utility model part, wherein has: key 1, tapered end 2, lock core 3, driver blade 4, big transmission bowl 5, the moving bowl 6 of brief biography, V groove square bar 7, outer bundle of spheres 18, overcoat 19, outer compound plate 29, mould pad 30 outward.

Fig. 3 is the structural representation of the utility model inner handle part.Wherein have: knob 15, knob sleeve 16, square hole plectrum 17, interior cover 26, interior bundle of spheres 27, interior compound plate 28, in mould pad 31.

Fig. 4 is the structural representation of saddle.

The structural representation of Fig. 5 side of being tongue drawing plate 9.Flanging breach 91 is wherein arranged.

Fig. 6 is the structural representation of saddle shifting block 20.Crescent 201 is wherein arranged.

Five, the specific embodiment

Two tongue door lock with knobs, form by handle, lock core, dead bolt structural portion branch, in the handle of ball lock and the lock core part, tapered end 2 is arranged in lock core 3, and an end of lock core 3 is connected with driver blade 4, the other end of driver blade 4 is arranged in big transmission bowl 5, the big transmission bowl 5 of one termination of the moving bowl 6 of brief biography, another termination V groove square bar 7, the outside of lock core 3 is overcoats 19, big transmission bowl 5 can rotate in overcoat 19, and the outside of overcoat 19 is outer bundle of spheres 18; In the dead bolt structure division, the drives structure of the side of being, top tongue 10, the side's of being tongue 10, square tongue drawing plate 9 are as a whole, on square tongue drawing plate 9, be provided with flanging breach 91, the external end head of shifting block 8 is arranged in flanging breach 91, and the V-shaped groove hole 81 at shifting block 8 centers is inserted by V groove square bar 7 and driven, and the place also is provided with a steel flat spring 11 in the shifting block outer end, on the flanging of the one end side of being fixed on tongue drawing plate 9 of this steel flat spring 11, the other end is pressed in the outer end of shifting block 8; Lower Half at the dead bolt structure division is provided with oblique tongue drive part, is provided with upper slide rest 22 at the rear portion of oblique tongue, is connected with saddle 21 behind upper slide rest 22, is being provided with stage clip 25 between saddle 21 backs and lock housing 14, and saddle plectrum 20 is enclosed within outside the central siphon of shifting block 8; The circumference of the special shifting block 20 of saddle is provided with a crescent 201, and an end of overcoat 19 inserts in the crescent 201.Wherein square tongue and oblique tongue adopt foundry goods, and other is a stamping parts.

The riveted joint of the utility model panel and lock housing is: formed by panel 12, contiguous block 13, lock housing 14 riveted joints.

Outer compound plate is installed as in the utility model: outer compound plate 29 adds the outer pad 30 of moulding, interior compound plate 28, in to mould pad 31 usefulness screws fastening, like this since mould the effect of pad increased compound plate and friction, make its installation reliability and durability.

Claims (2)

1, a kind of pair of tongue door lock with knob, form by handle, lock core, dead bolt structural portion branch, it is characterized in that in the handle and lock core part of ball lock, tapered end (2) is arranged in lock core (3), one end of lock core (3) is connected with driver blade (4), the other end of driver blade (4) is arranged in big transmission bowl (5), the big transmission bowl of one termination (5) of the moving bowl of brief biography (6), another termination V groove square bar (7), the outside of lock core (3) is overcoat (19), big transmission bowl (5) can rotate in overcoat (19), and the outside of overcoat (19) is outer bundle of spheres (18); In the dead bolt structure division, the drives structure of the side of being, top tongue (10), the side's of being tongue (10), square tongue drawing plate (9) are as a whole, on square tongue drawing plate (9), be provided with flanging breach (91), the external end head of shifting block (8) is arranged in flanging breach (91), the V-shaped groove hole (81) at shifting block (8) center is inserted by V groove square bar (7) and is driven, the place also is provided with a steel flat spring (11) in the shifting block outer end, on the flanging of the one end side of being fixed on tongue drawing plate (9) of this steel flat spring (11), the other end is pressed in the outer end of shifting block (8); Lower Half at the dead bolt structure division is provided with oblique tongue drive part, rear portion at oblique tongue is provided with upper slide rest (22), behind upper slide rest (22), be connected with saddle (21), be provided with stage clip (25) between saddle (21) back and lock housing (14), saddle plectrum (20) is enclosed within outside the central siphon of shifting block (8).

2, according to claim 1 pair of tongue door lock with knob is characterized in that the circumference of saddle plectrum (20) is provided with a crescent (201), and an end of overcoat (19) inserts in the crescent (201).

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