CN2683788Y - Lockset - Google Patents

Abstract

The utility model discloses a lockset, comprising a rectangular lock tongue, a triangular lock tongue, a small lock tongue, a block slice, and a dialing slice. Wherein, the edge at the bottom of the rectangular lock tongue is provided with a notch for the brake rod of a handle knob to be sheathed in, and the block slice is arranged under the triangular lock tongue to drive the rectangular lock tongue and the triangular lock tongue through the rotation of the knob to form the action of opening the lock. A stop slice is fixed on the lock shell and can slip downwards to block the triangular lock tongue to prevent the heavy smoke from going out to reach the effect of resisting fire when a big fire accident happens.

Description

Lockset

Technical field

The utility model relates to a kind of lockset.

Background technology

The structure of general lockset roughly is made up of square dead bolt, triangle dead bolt and little dead bolt, because the assembling of each element is comparatively complicated, when not only consuming expenses of labour, can't promote production capacity efficient, and maintenance is also quite difficult.In addition, known lockset can freely be opened by handle, therefore when unlocked state, when fire takes place,, therefore, may cause inner dense smoke outwards to distribute because door lock is opened arbitrarily, so do not have the fireproof effect, cause spreading of scene of a fire dense smoke on the contrary, very undesirable.

The utility model content

The purpose of this utility model is in order to overcome the shortcoming that known lockset exists, and a kind of lockset is provided, this lock structure is more simple, assembling is more easy, to improve operating efficiency, and when breaking out of fire, constitute backstop action, prevent distributing, spreading of the scene of a fire, dense smoke.

The utility model comprises a square dead bolt, one triangle dead bolt, an one little dead bolt and a stop tab, one plectrum, wherein, the root edge of this square dead bolt is provided with a breach, brake bar for the handle knob is nested with, this stop tab then is located at chain of triangulation hypogloeeis side, rotation by knob, to drive square dead bolt and triangle dead bolt, and can be when door is shut, make triangle dead bolt and little dead bolt lock Hui Houzai simultaneously the triangle dead bolt is ejected, and prevent its retraction, constitute block action by stop tab, when handle presses down, then drive square dead bolt this stop tab is discharged, to constitute unlocking action.

Described lockset housing is provided with a hooking sheet, and this hooking sheet is fixed in housing with plumbous matter hitching post, when fire takes place, be able to melted by fire burns because of plumbous matter hitching post, this hooking sheet is glided be held in the triangle dead bolt, prevent to be knocked open, avoid dense smoke to loose outward and prevent effect to reach.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present utility model.

Fig. 2 is an internal construction schematic diagram of the present utility model.

Fig. 3, Fig. 4 are movement state diagram of the present utility model.

Fig. 5 is a hooking sheet action schematic diagram of the present utility model.

The specific embodiment

See also Fig. 1, shown in Figure 2, the utility model is that the housing at lockset 100 is provided with a square dead bolt 1, root edge in this square dead bolt 1 is provided with a breach 11, and be provided with a plectrum 2 in dead bolt 1 bottom surface, the below then is provided with leader's knob 3, establish with a brake bar 31 in this knob 3, this brake bar 31 is placed on the breach 11 of square dead bolt 1, and makes knob 3 be placed on a driving lever 4;

One triangle dead bolt 5 is located at middle position, and its body of rod is equipped with a spring 51, and is provided with a stop tab 6 in its below, is provided with a hook part 61 in the rear end of this stop tab 6;

One little dead bolt 7 is located at triangle dead bolt 5 belows, and it is the fixed leg that is fixed in lockset 100 with spring 7,72;

One hooking sheet 8 is fixed in lockset 100 housings with plumbous matter hitching post 81, and it is positioned at the upper limb of triangle dead bolt 3;

Combination by aforementioned components, as shown in Figure 3, when handle pressed down, knob 3 drove driving lever 22, make it rotate about 20 degree, with 5 pullings of plectrum 2 and triangle dead bolt, square dead bolt 1 also contracts after the drive because of brake bar 31, with the formation action of opening the door, and after handle discharges, reply original state again, and as shown in Figure 4, when door is shut, after triangle dead bolt 5 and little dead bolt 7 are withdrawn simultaneously, triangle dead bolt 5 ejects once more, and this little dead bolt 7 does not eject, and it drives stop tab 6 and upwards promotes, make hook part 61 backstops in square dead bolt 1, prevent this square dead bolt 1 retraction,, prevent to be knocked open to constitute block action.

And when pushing away on the handle, about 70 degree of knob 3 rotations, drive on the square dead bolt 1 and be locked to the location, and withstand to prevent its withdrawal, handle can drive square dead bolt 1 withdrawal once more during pusher, presses down rotation 20 degree after rotating to 70 degree again, drive driving lever 4 with stop tab push away for 6 times cause when preventing chain of triangulation tongue 5 retractions stuck, and reinstatement after handle discharges, to constitute unlocking action.

Above-mentioned close, unlocking action, identical with general lockset, the element that is constituted is quite simple, make assembling process be able to fast, convenient, to improve production capacity efficient, reduce fraction defective, increase the competitiveness of lockset.

See also shown in Figure 5, hooking sheet 8 of the present utility model, be to be fixed in the lockset housing with a plumbous matter hitching post 81, and be positioned at triangle dead bolt 5 upper limbs, when fire takes place, because scene of a fire high temperature makes this hitching post 81 fusions, cause this hooking sheet 8 to glide to be resisted against triangle dead bolt 5, prevent that it from being knocked open, and then avoid dense smoke, the intensity of a fire outwards to spread, to reach the fireproof function.

Claims (2)

1, a kind of lockset is characterized in that: include:

One square dead bolt, its root edge is provided with a breach;

One plectrum is rectangular shape, is located at square dead bolt bottom surface;

Leader's knob is provided with a brake bar, and this brake bar is placed on the breach of square dead bolt;

One driving lever is placed on the handle knob;

One stop tab is located at chain of triangulation hypogloeeis side.

2, according to the described a kind of lockset of claim 1, it is characterized in that: described triangle dead bolt top is provided with a hooking sheet, this hooking sheet is fixed in the lockset housing with plumbous matter hitching post, when fire takes place, be able to this hooking sheet be glided to be resisted against the triangle dead bolt because of the fusion of plumbous matter hitching post, prevent that the triangle dead bolt from being knocked open, avoid the intensity of a fire and dense smoke outwards to spread.

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