CN2438786Y

CN2438786Y - Fast unlocking four-section lock

Info

Publication number: CN2438786Y
Application number: CN 00249216
Authority: CN
Inventors: 叶高呈
Original assignee: DONGQUAN HARD-WARE PRODUCTS Co Ltd SHANGHAI
Current assignee: DONGQUAN HARD-WARE PRODUCTS Co Ltd SHANGHAI
Priority date: 2000-09-13
Filing date: 2000-09-13
Publication date: 2001-07-11
Anticipated expiration: 2010-09-13

Abstract

The utility model relates to a small knob opening inclined bolt and safety device for fast unlocking four-section locks, which comprises a lock shell, an inclined bolt assembly, a safety sliding slice, a knob fixing slice and a small knob, wherein, a proper point on a connecting rod of the inclined bolt assembly is provided with a flange and an inclined bolt shifting slice which are pivoted on a fixed pin of the lock shell. The inclined extending end of the fixed pin is penetrated and extended to the connecting rod of the inclined bolt and is contacted with the flange of the connecting rod, and the other end of the fixed pin is an upright extending end which is contacted with the inclined extending part of the safety sliding slice. The small knob can drive the knob fixing slice and the safety sliding slice when rotated to an opening position, and the connecting rod can be pushed by means of the inclined bolt shifting slice to contract into the lock shell and to simultaneously clamp the flange on the connecting rod to lie in a positioning and safety state.

Description

The little knob of quick-unlocking four-section lock is opened the oblique tongue device of insuring simultaneously

The utility model relates to a kind of cylinder lock, the cylinder lock that particularly a kind of locking bolt starts without key but with method for distinguishing.

Existing quick-unlocking four-section lock, because safety is higher, easy to use, welcome day by day, the function of its little knob is, when the operator from the little knob of indoor rotation, live the mobile route of oblique tongue connecting rod with the stop section block of insurance slide by insurance institution, make oblique tongue can't be retracted into lock housing, thereby make quick-unlocking four-section lock obtain many one heavily insurance, even four jiaos of tongues are in the unlatching shape, as long as insurance institution's effect, outdoor is oblique tongue to be retracted into lock housing with key, when needs arming, as long as rotate little knob, the insurance slide returns back to original position, at this moment, available key moves connecting rod by switching mechanism and can be with oblique tongue retraction lock housing.Said structure though guarantee the safety of lockset, in opening oblique tongue operation, remains cumbersome, and tiltedly tongue is under opening, because maloperation or extraneous factor very easily produce and eject lock housing, the phenomenon that occurs locking is made troubles to the user.

The purpose of this utility model is to provide the little knob of a kind of quick-unlocking four-section lock to open the oblique tongue device of insuring simultaneously, and it can make quick-unlocking four-section lock keep original high security function, and can make the operator obtain to use little knob more convenient and safely.

Utility model is achieved in that on the connecting rod of oblique tongue assembly establishes a flange, one oblique tongue plectrum is hubbed on the steady pin of lock housing, its tiltedly stretch end be extended through oblique tongue assembly connecting rod and and the flange of connecting rod touch, its other end is the perpendicular end of stretching, and the perpendicular tiltedly portion of stretching of stretching end and insurance slide touches.

Tiltedly the tongue plectrum is an en plaque body, it is tiltedly stretched end and is formed with a vertical side edge and is connected and is the oblique angle with vertical side edge oblique side, the oblique overhanging state of tongue assembly, and the flange and the vertical side edge of connecting rod touch, oblique tongue assembly recessed shape attitude, the flange of connecting rod and oblique side touch; Tiltedly the perpendicular end of stretching end of tongue plectrum touches with the oblique side that the portion of tiltedly stretching of insuring slide forms, and perpendicular end of stretching end is established and is circular-arc.

The flange of the oblique tongue assembly of the utility model mat, rotatable oblique tongue plectrum and insurance slide are tiltedly stretched the serial verb construction of portion, when little knob turn through the turn-button stator, drive the insurance slide with pin, moving of insurance slide, it tiltedly stretches portion under tiltedly the end circular arc of tongue plectrum is guided mat, promoting oblique tongue plectrum rotates around steady pin, it tiltedly stretches the connecting rod that end then can promote oblique tongue assembly through flange, until oblique tongue plectrum oblique tongue is pushed away the retraction lock housing, reach the purpose of opening oblique tongue with little knob, after little knob reaches out (ON) position, tiltedly the oblique side of tongue plectrum touches and holds the flange of oblique tongue assembly connecting rod, and realization limits the overhanging insurance function of oblique tongue after opening with little knob simultaneously, and whole proposal only increases individual part, index word to original member is also less, can not influence the manufacturing cost of lockset.

The concrete structure of utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is a structure front elevational schematic of the present utility model.

Fig. 2 is an oblique tongue assembly schematic diagram among Fig. 1.

Fig. 3 is an oblique tongue plectrum schematic diagram among Fig. 1.

Fig. 4 is an insurance slide schematic diagram among Fig. 1.

Fig. 5 is a turn-button stator schematic diagram among Fig. 1.

Fig. 6 is the little knob open and close action of a utility model schematic diagram.

Fig. 7 is each component relation schematic diagram of the little knob of the utility model off-position.

Fig. 8 is that the little knob of the utility model " is opened " each component relation schematic diagram of position.

With reference to Fig. 1,2,3,4,5, the little knob of quick-unlocking four-section lock is opened the oblique tongue device of insuring simultaneously, includes lock housing 1, tiltedly tongue assembly 2, tiltedly tongue plectrum 3, insurance slide 4, turn-button stator 5 and little knob 6, wherein:

Tiltedly tongue assembly 2 is established a flange 201 in the appropriate position of its connecting rod 20 caudal parts, and flange 201 can form from the body punching out of connecting rod 20, and flange 201 forms the vertical plane 202 that can touch in oblique tongue plectrum 3;

Oblique tongue plectrum 3, it is an en plaque body, its below is tiltedly stretched end 30 and is formed with a vertical side edge 301, below vertical side edge 301, establish one and be connected the oblique side 302 that is the oblique angle with vertical side edge 301, place near to the upper end at oblique tongue plectrum 3 is established a hole 31, this hole 31 can be set on the steady pin 11 that is fixed in lock housing 1, and and steady pin 11 be rotating, tiltedly the upper end of tongue plectrum 3 is the perpendicular end 32 of stretching, the perpendicular end 32 of stretching is formed with perpendicular side 320, and perpendicular top ends 321 of stretching end 32 is established and is smooth circular shape and is connected with perpendicular side 320;

Insurance slide 4, the below of its guide groove 41 extends an inclined guide groove 42, and form respectively two can ccontaining bearing pin 51 anchor point 410,420, the characteristics of insurance slide 4 are to establish one in a side of guide groove 41 tiltedly to stretch portion 40, the downside of tiltedly stretching portion 40 forms an oblique side 401;

Turn-button stator 5 is to be installed in the rotating shaft of little knob 6, establishes a bearing pin 51 on the turn-button stator 5.

Relevant position after above-mentioned each member assembling as shown in Figure 1, the bearing pin 51 of turn-button stator 5 is seated in the guide groove 41 or inclined guide groove 42 of insurance slide 4, and can slippage in guide groove 41 or inclined guide groove 42; The perpendicular end 32 of stretching that oblique tongue plectrum 3 is stretched in the portion of tiltedly stretching 40 of insurance slide 4 is tiltedly stretched 401 of the oblique sides and perpendicular the stretching of portion 40 accordingly and is held 32 end 321 to contact; The end 30 of tiltedly stretching that oblique tongue is dialled 3 belows is extended through oblique tongue assembly 2, and the flanges 201 of 301 of its vertical side edge and oblique tongue assembly 2 connecting rods 20 touch.

During use, with reference to Fig. 6,7,8, put in " pass " (OFF) during the position when little knob 6 revolves, tiltedly tongue tower spring 10 withstands oblique tongue assembly 2, and tiltedly tongue 21 stretches out lock housing (as Fig. 7); Put " opening " (ON) during the position when little knob 6 revolves, turn-button stator 5 rotates and makes insurance slide 4 promote to glide at bearing pin 51 (making site 420 to 410 by oneself), the oblique side 401 of insurance slide 4 promotes tongue plectrum 3 arc end part 321, promptly promote oblique tongue plectrum 3 around steady pin 11 swings, the vertical side edge 301 that end 30 is tiltedly stretched in oblique tongue plectrum 3 belows touches the vertical plane 202 of the flange 201 of oblique tongue assembly 2, and promotion connecting rod 20 moves, be held in vertical plane 202 until the oblique side 302 of tiltedly stretching end 30, at this moment, oblique tongue 21 complete retraction lock housings 1, finish little knob 6 and open the function of oblique tongue 21, tiltedly side 302 holds vertical plane 202 turn-button stators 5 upper pins 51 be positioned to slide anchor point 410 places of groove 42 of safety plate 4, so oblique tongue plectrum 3 holds the tiltedly flange 201 of tongue assembly 2, thereby realize the location insurance function of oblique tongue assembly 2.

Claims

1, the little knob of a kind of quick-unlocking four-section lock is opened the oblique tongue device of insuring simultaneously, comprise lock housing, oblique tongue assembly, insurance slide, turn-button stator and little knob, set firmly the turn-button stator on the axle of little knob, establish steady pin on the turn-button stator, the steady pin slip is characterized in that in skewed slot and guide groove:

A, on the connecting rod (20) of oblique tongue assembly (2), establish a flange (201);

B, an oblique tongue plectrum (3), be hubbed on the steady pin (11) of lock housing (1), its tiltedly stretch end (30) be extended through oblique tongue assembly (2) connecting rod (20) and and the flange (201) of connecting rod (20) touch, its other end touches for the perpendicular end (32) of stretching, the perpendicular portion of tiltedly stretching (40) of stretching end (32) and insurance slide (4).

2, little knob according to claim 1 is opened the oblique tongue device of insuring simultaneously, it is characterized in that oblique tongue plectrum (3) is an en plaque body, it is tiltedly stretched end (30) and is formed with a vertical side edge (301) and is connected and is the oblique angle with vertical side edge (301) oblique side (302), the oblique overhanging state of tongue assembly (2), the flange (201) and the vertical side edge (301) of connecting rod (20) touch, oblique tongue assembly (2) recessed shape attitude, the flange (201) of connecting rod (20) and oblique side (302) touch.

3, little knob according to claim 1 is opened the oblique tongue device of insuring simultaneously, the perpendicular oblique side (401) of stretching the portion of tiltedly stretching (40) formation of end (32) end (321) and insurance slide (4) that it is characterized in that oblique tongue plectrum (3) touches, and perpendicular end (321) of stretching end (32) is established and is circular-arc.