CN201221246Y

CN201221246Y - Door lock

Info

Publication number: CN201221246Y
Application number: CNU2008200925642U
Authority: CN
Inventors: 张能锋
Original assignee: Shenzhen Probuck Technologies Co Ltd
Current assignee: Pioneer (China) Technology Co., Ltd.
Priority date: 2008-03-12
Filing date: 2008-03-12
Publication date: 2009-04-15
Anticipated expiration: 2018-03-12

Abstract

The utility model relates to a door lock, which comprises a lock box, a mechanical lock head, a big square bolt component and an inclined bolt component; wherein, the a mechanical lock head, the big square bolt component and the inclined bolt component are assembled in the lock box; the big square bolt component comprises a big square bolt; the inclined bolt component comprises an inclined bolt, an inclined bolt pull rod, an inclined bolt slide block, an inclined bolt-shifting plate and an emergency shifting plate; the inclined bolt pull rod is fixed on the inclined bolt; the inclined bolt slide block is fixed on the inclined bolt pull rod; the inclined bolt-shifting plate is assembled in the lock box by means of a rotary shaft; one side of the inclined bolt-shifting plate is provided with a corner part which is contacted with the inclined bolt slide block and can push the inclined bolt and the inclined bolt pull rod to extend or retract; the side of the inclined bolt-shifting plate, which is opposite to the corner part, is provided with a bulge part; the emergency shifting plate is assembled on the big square bolt by means of a rotary shaft and an elastic reset unit; and the ends of the emergency shifting plate, which are located to both sides of the rotary shaft, are respectively an inclined bolt-shifting plate contact end and a mechanical lock head contact end, which are respectively contacted with the bulge part on the inclined bolt-shifting plate and the mechanical lock head when the big square bolt is totally retracted into the lock box. The driving structure in the door lock is simple and cannot be easily deformed or broken to affect the service life of the door lock.

Description

Door lock

Technical field

The utility model relates to a kind of lockset, more particularly, relates to a kind of door lock.

Background technology

In existing door lock, especially in electronic lock, all comprise mechanical lock head usually, unblank as standby emergent unlocking approach with mechanical lock head.When using mechanical lock head to unblank, mechanical lock head also needs oblique gyrus lingulais is contracted after generous gyrus lingulais is contracted, to finish complete unlocking action.In existing door lock, the transmission from mechanical lock head to oblique tongue generally all is to adopt long plectrum to come transmission, its drive mechanism complexity.In the structure of the long plectrum transmission of this kind because the intensity of long plectrum is limited, if under the situation that transmission has some setbacks rotary machine tapered end by force, can cause the component distortion or rupture, thereby influence the life-span and the stability of door lock.

The utility model content

The technical problems to be solved in the utility model is, influence the problem of door lock life-span and stability at the yielding damage of drive mechanism complexity, component from mechanical lock head to oblique tongue in the existing door lock, and provide a kind of drive mechanism from mechanical lock head to oblique tongue simply, the door lock of not fragile, stable performance.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of door lock is provided, comprise lock box, and be installed in mechanical lock head on the lock box, generous tongue assembly, oblique tongue assembly, described generous tongue assembly comprises generous tongue, described oblique tongue assembly comprises oblique tongue, be fixedly connected on the oblique tongue pull bar on the oblique tongue, be fixed on the oblique tongue slide block on the oblique tongue pull bar, also comprise oblique tongue plectrum in addition, emergent plectrum, described oblique tongue plectrum is installed on the lock box by a rotating shaft, one side of described oblique tongue plectrum has with oblique tongue slide block slide block and contacts, promote oblique tongue and the flexible bight of oblique tongue pull bar, tiltedly the opposite side of tongue plectrum in its bight has a protuberance; Described emergent plectrum is installed on the generous tongue by rotating shaft and elasticity reset device, described emergent plectrum is at the termination of its turning cylinder both sides oblique tongue plectrum contact jaw of difference and mechanical lock head contact jaw, bounce back fully at generous tongue and to be in lock box and to contact with protuberance and mechanical lock head on the oblique tongue plectrum respectively when inner, during the rotary machine tapered end, described mechanical lock head promotes the turning cylinder of emergent plectrum on emergent plectrum and rotates, and emergent plectrum promotes the turning cylinder of oblique tongue plectrum on oblique tongue plectrum with the contacted contact jaw of protuberance on the oblique tongue plectrum and rotates.

In door lock described in the utility model, described elasticity reset device is the elasticity torsion spring, fixedlys connected with generous tongue with emergent plectrum respectively in the two ends of described elasticity torsion spring.

In door lock described in the utility model, also comprise handle assembly, described handle assembly comprises handle rotating shaft, big shift fork, and the handle rotating shaft is rotatable to be installed on the described lock box, and described big shift fork and oblique tongue plectrum coaxial package are in described handle rotating shaft.

In door lock described in the utility model, described oblique tongue plectrum is provided with the arc stopper slot, and the center of circle of described arc stopper slot overlaps with the center of rotation of oblique tongue plectrum, and described big shift fork is provided with the spacing projection that is embedded in the stopper slot.

In the door lock in the utility model, when generous tongue is in the lock box fully, emergent plectrum contacts with protuberance and mechanical lock head on the oblique tongue plectrum respectively in the termination of its turning cylinder both sides, during the rotary machine tapered end, mechanical lock head promotes the turning cylinder of emergent plectrum on emergent plectrum and rotates, and emergent plectrum promotes the turning cylinder of oblique tongue plectrum on oblique tongue plectrum with the contacted contact jaw of protuberance on the oblique tongue plectrum and rotates.Drive mechanism from mechanical lock head to oblique tongue mainly is oblique tongue plectrum and emergent plectrum, has avoided using long plectrum, and is simultaneously simple in structure, in use is not easy distortion or fracture, can not have influence on the life-span of door lock.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:

Fig. 1 is that door lock is in structural representation under the state of locking a door in the utility model;

Fig. 2 is the decomposition texture schematic diagram of generous tongue assembly;

Fig. 3 is that door lock is in the structural representation under the door opening state.

The specific embodiment

Fig. 1,2,3 shows a kind of more excellent embodiment of the present utility model.

See also Fig. 1, shown in Figure 2, door lock comprises lock box 10 and is installed in the mechanical lock head 60 on the lock box, generous tongue assembly, oblique tongue assembly, handle assembly, generous tongue assembly comprises generous tongue 21, tiltedly the tongue assembly comprises oblique tongue 41, is fixedly connected on oblique tongue pull bar 43 on the oblique tongue, is fixed on the oblique tongue slide block 44 on the oblique tongue pull bar 43, handle assembly comprises handle rotating shaft 52, big shift fork 51, handle rotating shaft 52 rotatable being installed on the lock box 10, big shift fork 51 and oblique tongue plectrum 30 coaxial packages are in handle rotating shaft 52.Tiltedly a side of tongue plectrum 30 has with oblique tongue slide block 44 slide blocks and contact, drives the bight 31 that oblique tongue 41 and oblique tongue pull bar 43 stretch, and the oblique opposite side of tongue plectrum 30 in its bight 31 has a protuberance 32; Emergent plectrum 22 is installed on the generous tongue 21 by rotating shaft 23 and elasticity reset device, emergent plectrum 22 is respectively oblique tongue plectrum contact jaw 221 and mechanical lock head contact jaw 222 in the termination of turning cylinder both sides, bouncing back fully at generous tongue 21 is in lock box 10 when inner, and these two ends contact with protuberance 32 and mechanical lock head 60 on the oblique tongue plectrum respectively.Elasticity reset device is a spring 24, fixedly connected with emergent plectrum 22 with generous tongue 21 respectively in the two ends of spring 24, the effect of spring 24 be mechanical lock head 60 unclamp with the contacting of emergent plectrum 22 after, emergent plectrum 22 can return to original position, makes oblique tongue assembly can drive oblique tongue plectrum 30 and resets.Tiltedly tongue plectrum 30 is provided with arc stopper slot 33, and the center of circle of arc stopper slot 33 overlaps with the center of rotation of oblique tongue plectrum, and big shift fork 51 is provided with the spacing projection 53 that is embedded in the stopper slot.

In the present embodiment, when door lock is in when locking a door state, can clockwise rotate 60 liang of weeks of mechanical lock head by key, generous tongue 21 is contracted in fully, be in the lock box 10, promptly as shown in Figure 3, this moment, the mechanical lock head contact jaw 222 of emergent plectrum 22 contacted with mechanical lock head 60, the other end is that oblique whip graft contravention 221 contacts with the protuberance 32 of oblique tongue plectrum 30, if clockwise rotate mechanical lock head 60, mechanical lock head 60 can promote emergent plectrum 22 and rotate, emergent plectrum 22 promotes oblique tongue plectrum 30 again and rotates around handle rotating shaft 52, tiltedly 31 in the bight of tongue plectrum 30 promotes oblique tongue slide block 44 and drives to contract in the oblique tongue 41 to finish unlocking action, and behind the release mechanism tapered end, spring 24 resets emergent plectrum 22, tiltedly the spring 42 on the tongue pull bar 43 stretches out oblique tongue, and drive oblique tongue plectrum 30 and reset, but because the limited post 53 on the big shift fork 51 and oblique cooperating of tongue plectrum upper limit position groove 33 can prevent that the angle of rotation when oblique tongue plectrum 30 resets is excessive.If rotate counterclockwise mechanical lock head, then the generous tongue shift fork of mechanical lock head 60 promotions stretches out generous tongue, realizes locking a door action.

Claims

1, a kind of door lock, comprise lock box (10) and be installed in the mechanical lock head (60) in the lock box, generous tongue assembly, oblique tongue assembly, described generous tongue assembly comprises generous tongue (21), described oblique tongue assembly comprises oblique tongue (41), be fixedly connected on oblique tongue pull bar (43) on the oblique tongue, be fixed on the oblique tongue slide block (44) on the oblique tongue pull bar, it is characterized in that:

Also comprise oblique tongue plectrum (30), emergent plectrum (22), described oblique tongue plectrum (30) is installed on the lock box (10) by a rotating shaft, one side of described oblique tongue plectrum (30) has with oblique tongue slide block and contact, promotes the bight (31) that oblique tongue and oblique tongue pull bar stretch, and the oblique opposite side of tongue plectrum in its bight has a protuberance (32); Described emergent plectrum (22) is installed on the generous tongue by rotating shaft (23) and elasticity reset device, and described emergent plectrum (22) is respectively oblique tongue plectrum contact jaw (221) and mechanical lock head contact jaw (222) in the termination of turning cylinder (23) both sides.

2, door lock according to claim 1 is characterized in that: described elasticity reset device is elasticity torsion spring (24), fixedlys connected with generous tongue (21) with emergent plectrum (22) respectively in the two ends of described elasticity torsion spring (24).

3, door lock according to claim 1, it is characterized in that: also comprise handle assembly, described handle assembly comprises handle rotating shaft (52), big shift fork (51), the handle rotating shaft is rotatable to be installed on the described lock box, and described big shift fork (51) and oblique tongue plectrum (30) coaxial package are in described handle rotating shaft (52).

4, door lock according to claim 3, it is characterized in that: described oblique tongue plectrum (30) is provided with arc stopper slot (33), the center of circle of described arc stopper slot (33) overlaps with the center of rotation of oblique tongue plectrum (30), and described big shift fork (51) is provided with the spacing projection (53) that is embedded in the stopper slot.