CN2170354Y

CN2170354Y - Door lock with multi-sectional braking mechanism

Info

Publication number: CN2170354Y
Application number: CN 93218890
Authority: CN
Inventors: 刘树连
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-07-14
Filing date: 1993-07-14
Publication date: 1994-06-29
Anticipated expiration: 2003-07-14

Abstract

The utility model relates to a door lock with a multi-sectional braking mechanism. The inside of a lock shell is provided with a multi-sectional clamping braking mechanism, one lock tongue vertical with the lock shell is arranged inside the lock shell under the braking mechanism, the back below the lock tongue has a driving mechanism linked with a door knob, one side of the lock tongue has a lock bolt, the other side has a saddle-shaped detent, and the detent and the lock bolt are supported by springs. One side of the braking mechanism has one lock hole. The free end of the upper part of the driving mechanism is acted with the rear end of the lock tongue, and the lock tongue can extend and retract. The door is locked by the braking mechanism and an inserting buckling mechanism arranged inside the side of the lock tongue. When a door knob is contacted with a bell means inside a door knob plate, the bell means can ring.

Description

Door lock with multi-sectional braking mechanism

The utility model relates to a kind of lockset, particularly a kind of door lock that the multisection type arrestment mechanism is arranged.

The door lock of Xiao Shouing has three major types in the market, a kind of for opening the horn lock of single dead bolt easily, its dead bolt is subjected to the bullet top of spring and often is in the state of stretching of visiting, when being subjected to the external force pulling, dead bolt withdrawal earlier then springs in the corresponding lockhole of doorframe, when locking a door again, get final product by the interior snap-fastener that presses, this lock is applied in public arenas such as hotel, office building more, but its theftproof is relatively poor, can door be disclosed out easily by the outside with instrument.

Another kind of lock is the civilian lock that does not have handle outdoors, it is used for the door lock of resident family more, it is with having certain theftproof, but the control that rotated by lock core shift lever because of its dead bolt is flexible shape, so dead bolt length is long, and the dead bolt front end do not have the inclined-plane of plugging together, so can not realize hitting automatically when using slotting, must door could be closed with hand and plug.

Another kind is from inside and outside all lockable lock, and topic is must use key to open or to lock before it, use cumbersome, and its structure complexity.

The purpose of this utility model just is to overcome the above-mentioned shortcoming and defect of existing in prior technology, and a kind of safe antitheft, the door lock that the multisection type arrestment mechanism is arranged easy to use, simple in structure are provided.

The purpose of this utility model is to realize by following technical scheme: be provided with an arrestment mechanism that can carry out the multistage blocking in lock housing inside, one dead bolt perpendicular with it arranged in lock housing below arrestment mechanism, there is a driving mechanism that links with door knob the dead bolt back lower place, dead bolt one side has a locking bolt, the dead bolt opposite side has the pallet of a saddle, pallet and locking bolt hold by spring, arrestment mechanism one side has a lockhole, driving mechanism top free end can act on mutually with the dead bolt rear portion and make dead bolt flexible, make door locked by the buckle mechanism that establishes in arrestment mechanism and the dead bolt side, can send the tinkle of bells with the contacting then of alarm bell device in the door knob panel by door handle.

Therefore remarkable result of the present utility model is:

The first, the arrestment mechanism of multistage blocking can make it that dead bolt rear portion is had locking, opens and hit to close three kinds of location statuss.

The second, the alarm bell in the button of door handle and the door handle panel combines, not only visitor's rotary door the time can send the tinkle of bells, and, when the robber enter the room the back rotary door the time also alarm sound can take place, in addition, also can remove bell ring by button on the door knob.

The 3rd, the groove of dead bolt one side combines with interlocking device, can play further safe antitheft effect.

Concrete structure of the present utility model is realized by the following examples and accompanying drawing thereof:

Fig. 1 is the utility model cut-away view.

Fig. 2 is and the corresponding action schematic diagram of Fig. 1.

Fig. 3 is the section of structure of door bell device in the utility model.

Fig. 4 is that the A of Fig. 3 is to partial view.

Fig. 5 is the circuit diagram of door bell device shown in Figure 3.

Fig. 6 is the sectional drawing of dead bolt in the utility model.

Fig. 7 is the sectional drawing of another embodiment of dead bolt in the utility model.

Fig. 8 is the action schematic diagram that dead bolt and doorframe lockhole plug together mutually in the utility model.

Be described in detail below in conjunction with 1～8 pair of concrete structure of the present utility model of accompanying drawing:

The utility model has lock housing 1, there is a dead bolt 3 at middle part in lock housing 1, drive member 4 is arranged in lock housing 1, arrestment mechanism 2, locking bolt 6 and door knob 5 and door bell device 7, it is characterized in that: arrestment mechanism 2 one sides have one to act on the lockhole 11 of rotation mutually with key, arrestment mechanism 2 opposite sides be provided with lock housing on the retainer 22 twisted joint block the multistage displacement catch of dialling 21 mutually, below arrestment mechanism 2, be provided with the dead bolt perpendicular 3 with it, there is an opening 31 at dead bolt 3 rear portions, wear in the opening 31 be placed with one with the drive member 4 upper ends projection 12 of suit mutually, the following shank 42 of drive member 4 and fulcrum 51 be suit mutually, the outer spy two ends of fulcrum 51 all with the door both sides door knob 5 be connected and with lock housing 1 movable set, in the door knob 5 of door inboard, be equiped with alarm bell device 6, be provided with locking bolt 7 in dead bolt 3 one sides.Referring to Fig. 1 and Fig. 2

Architectural feature of the present utility model also is:

Arrestment mechanism 2 is by displacement catch 21, with the wavy concave surface portion 212 to 214 in displacement catch 21 left sides respectively the retainer 22 of Ka Ding constitute, retainer 22 top movable are sleeved on the projection of fixing with lock housing 1 13, put the toggle 14 of an inboard in the chute 215 that displacement catch 21 middle parts are vertically offered, the holding piece part 216 of displacement catch 21 bottoms is worn in the slotted eye 151 that is placed on the guide channel plate 15 that is connected with lock housing 1, convex has the locating flange 217 that engages with dead bolt 3 rear aperture 31 on the holding piece 216, and displacement catch 21 right sides offer the Qian v notch v 211 that block mutually group with the lug 111 of the projection of the lockhole 11 that rotates.Referring to Fig. 1 and Fig. 2

Dead bolt 3 rear portions have one to block the rectangular aperture of dialling 31 mutually with drive member 4 upper side convexo-convex posts 12, be provided with V-arrangement locking bolt 7 hook portions 71 at the upside of dead bolt 3 and block the recess of dialling 32 mutually, pallet 74 front ends block another recess 32 of dialling mutually below the downside of dead bolt 3 is provided with it, at dead bolt 3 leading portion rear sides one groove 33 is arranged, put the interlocking device 8 that cover is placed with spring 81 in the groove 33, an end of interlocking device 8 fastens at opening 331 places of groove 33 and with doorframe orifice plate 91 and acts on mutually.Referring to Fig. 1, Fig. 2, Fig. 6 to Fig. 8

Be positioned at 4 times subordinate's shanks of drive member 41 of dead bolt 3 back lower places and square fulcrum 51 suits that interlock with door knob 5, be arranged with tong-like flexible member 411 on the shank 41 down, clamping has the projection 16 that fixes with lock housing 1 between the tong-like flexible member 411 anterior cross parts 412, the right edge of drive member 4 is a curved face part 42 that acts on mutually with holding piece 216 lower ends, is raised with the driving lever 43 that acts on mutually with pallet 74 rear portion hypotenuse pawls 742 at drive member 4 middle parts.Referring to Fig. 1 and Fig. 2

Alarm bell device 6 is arranged among an inboard and the door internal handle 5, be lined with rubber sheet gasket 61 at square fulcrum 51 and door inside cover plate 54 joints cover, two symmetries that are sticked in the left side of rubber sheet gasket 61 and the positive and negative conducting strip 62 of the alternate semilune that separates and 63, respectively be overlapped with

reed

64 and 65 on the positive and negative conducting

strip

62 and 63,

reed

64 and 65 outer end all fix with cover plate 54 and are connected with

circuit

641 and 651, circuit 641 is connected with power supply 67 with the tinkle of bells device 66 with another elongated end of 651, the tinkle of bells device 66 links to each other with microswitch 68 with 661 by circuit 671 respectively with power supply 67, microswitch 68 tops are against the protruding button 55 that rotates synchronously with square fulcrum 51 is arranged, positive and negative conducting strip 62 621 is connected with the switches 52 of installing in the inboard door knob 5 of door with 631 by going between with 63, and switch 52 links to each other with the button 53 that is contained on the door knob 5 that crouches.Referring to Fig. 3 to Fig. 5

V-arrangement locking bolt 7 uncovered towards dead bolt 3 upside and insert in lock housing 1 jack, locking bolt 7 middle part recess 72 downside blocks have a projection 17, the hook portion 71 of locking bolt 7 back segments and the recess 32 of dead bolt 3 upsides block mutually to be dialled, recess 72 upsides of locking bolt 7 are against a spring 73 that fixes with lock housing, the pallet 74 of a horizontal saddle below the recess 32 of dead bolt 3 bottoms are arranged.Referring to Fig. 1 and Fig. 2

Each evagination of both sides, front and back in dead bolt 3 rectangular apertures 32 front portions has a pulley 34, pulley 34 rear sides are all against a L shaped flexible member 341 is arranged, the hypomere of L shaped flexible member 341 and lock housing 1 fix, and fasten at oblique curved boom 741 downsides of leading portion of the pallet 74 of saddle and have elastic component 743.Referring to Fig. 1 and Fig. 2

Operating principle of the present utility model is as follows:

Please refer to Fig. 1,2, when user's rotary door is opened door 5, when hand leaves door knob 5,42 dead bolt 3 openings 31 front sides that move in the lock housing 1 of drive member 4 curved face part, flexible member 341 on the dead bolt 3 is stirred dead bolt 3 to lock housing 1 outside, the end of the hook part 71 of locking bolt 7 promptly is subjected to the pressure of projection 17 and spring 73, and be embedded in dead bolt 3 recesses 32, so that dead bolt 3 front ends can only stretch out suitable length, so that dead bolt 3 is fashionable in the door-plate pass, can be fastened on smoothly in the dead bolt hole 91, can not produce because of the dead bolt 3 long situations generations that can't embed dead bolt hole 91.Otherwise, will be at closing time, the end that locking bolt 7 stretches out lock housing 1 can be subjected to pressing of doorframe and contraction in lock housing 1, the recess 72 of locking bolt 7 is also moved thereupon, and projection 17 pushes locking bolt 7 downwards in the lock housing 1, and then the end of locking bolt 7 hook parts 71 pressed recess 32 from dead bolt 3, so that dead bolt 3 can stretch in the dead bolt hole fully.When dead bolt 3 stretched out fully forward, the oblique curved boom 741 of pallet 74 1 ends on hook part 71 just in time was limited to the leading edge of dead bolt 3 lower notch 32, preventing dead bolt 3 arbitrarinesses ground withdrawal lock housing, and prevented that door from opening automatically.And when the hypotenuse pawl 742 of pallet 74 other ends rotates at door knob 5, can promote and driving lever 43 is made progress, thereby remove of the braking of the oblique curved boom 741 of pallet 74 for dead bolt 3 by the protruded stigma 43 that supports on drive member 4.

In addition, with reference to Fig. 3,4, when the outer handle of visiting guest's rotary door or human instrument stretch into lockhole 11 or attempt handle outside the revolving door, because of the positive and negative conducting strip on the fulcrum 51 62,63 is semilune, so, no matter how handle outdoors rotates, positive and negative conducting

strip

62,63 on fulcrum 51 all can join with

reed

64,65 and form path, and an end of the protruding button 55 on fulcrum 51 then can rotate and leave microswitch 68 with fulcrum 51, the tinkle of bells device 66 is sounded, and within doors people of notice comes out to open the door or draw back the robber with fear for the visitor; When the user wants to allow the tinkle of bells device 66 sound the noise neighbours in doors or not, can be with button 53 by in the door knob 5 in crossing the threshold, make button 53 inboards leave switch 52, and the cut-out current path, and then the tinkle of bells device 66 can't be sounded, in addition, see Fig. 5,6, shown in 7, dead bolt 3 front ends are provided with groove 33 in the appropriate location of door leaf inboard, be provided with an automatic interlocking device 8 with spring 81 in this groove 33, when the robber forces open the door fan with instrument, because the pressure that door leaf is prized is greater than the elastic force of spring 81, in 8 automatic retraction grooves 33 of interlocking device, the dead bolt hole 91 end checkposts of doorframe 9 are in groove 33 automatically, the robber makes dead bolt 3 formation collude body and is buckled in the dead bolt hole 91, so that can't pry open door.

See shown in Fig. 1,2, when toggle 14 catch 21 that will be shifted moves, when making retainer 22 be resisted against displacement catch 21 concave surface portions 212, the holding piece 216 of displacement under the catch 21 is promptly to the upper end of dead bolt 3, the drive member 4 of joining with door knob 5 can not stopped, and allow the people who enters outside the room as long as rotary door 5, can move into dead bolt 3 in the lock housings 1, so that pass in and out.

See shown in Fig. 1,2, when toggle 14 catch 21 that will be shifted moves, when making retainer 22 be resisted against displacement catch 21 concave surface portions 213, holding piece 216 under displacement catch 21 promptly is resisted against on the curved face part 42 of drive member 4, and the breach 211 of displacement catch 21 just with the lug 111 of lockhole 11 to the breach 211 of the catch 21 that is shifted, and supporting of the catch 21 that will be shifted 216 moves up, make holding piece 216 can not be resisted against curved face part 42 tops of drive member 4, so that the people's rotary door outside the room is opened door 5.

See with reference to Fig. 1,2, when toggle 14 catch 21 that will be shifted moves, when making retainer 22 be resisted against displacement catch 21 concave surface portions 214, not only be resisted against the curved face part 42 times of drive member 4 at the holding piece 216 of displacement under the catch 21, and, in holding piece 216 upper flanges 217 also abut against dead bolt 3 openings 31, the breach 211 that other is shifted on the catch 21 also moves down with displacement catch 21, and can't be relative with the lug 111 of lockhole 11, the people who makes the robber or bad attempt arranged rotary door in any case and guarantees user's safety 5 or all can't open door with key.

Claims

1, the door lock that the multisection type arrestment mechanism is arranged, lock housing (1) is arranged, there is a dead bolt (3) at middle part in lock housing (1), drive member (4) is arranged in lock housing (1), arrestment mechanism (2), locking bolt (6) and door knob (5) and door bell device (7), it is characterized in that: arrestment mechanism (2) one sides have one to act on the lockhole (11) of rotation mutually with key, arrestment mechanism (2) opposite side be provided with lock housing on the retainer (22) twisted joint block the multistage displacement catch of dialling (21) mutually, be provided with the dead bolt perpendicular (3) in arrestment mechanism (2) below with it, there is an opening (31) at dead bolt (3) rear portion, wear in the opening (31) be placed with one with drive member (4) the upper end projection of suit (12) mutually, the following shank (42) of drive member (4) and fulcrum (51) be suit mutually, the outer spy two ends of fulcrum (51) all with the door both sides door knob (5) be connected and with lock housing (1) movable set, in the door knob (5) of door inboard, be equiped with alarm bell device (6), be provided with locking bolt (7) in dead bolt (3) one sides.

2, according to the described door lock that the multisection type arrestment mechanism is arranged of claim 1, it is characterized in that: arrestment mechanism (2) is by displacement catch (21), the retainer (22) of distinguishing Ka Ding with the wavy concave surface portion (212) to (214) in displacement catch (21) left side constitutes, retainer (22) top movable is sleeved on the projection of fixing with lock housing (1) (13), put the toggle (14) of an inboard in the chute (215) that displacement catch (21) middle part is vertically offered, the holding piece part (216) of displacement catch (21) bottom is worn in the slotted eye (151) that is placed on the guide channel plate (15) that is connected with lock housing (1), holding piece (216) is gone up convex the locating flange (217) that engage with dead bolt (3) rear aperture (31), and catch (21) right side that is shifted offers the Qian v notch v (211) that blocks mutually group with the lug (111) of the projection of the lockhole that rotates (11).

3, according to the described door lock that the multisection type arrestment mechanism is arranged of claim 1, it is characterized in that: dead bolt (3) rear portion has one to block the rectangular aperture of dialling (31) mutually with drive member (4) upper side convexo-convex post (12), be provided with V-arrangement locking bolt (7) hook portion (71) at the upside of dead bolt (3) and block the recess of dialling (32) mutually, pallet (74) front end blocks another recess (32) of dialling mutually below the downside of dead bolt (3) is provided with it, at dead bolt (3) leading portion rear side one groove (33) is arranged, put cover in the groove (33) and be placed with the interlocking device (8) of spring (81), an end of interlocking device (8) fastens at the opening (331) of groove (33) and locates and act on mutually with doorframe orifice plate (91).

4, according to the described door lock that the multisection type arrestment mechanism is arranged of claim 1, it is characterized in that: the drive member (4) that is positioned at dead bolt (3) back lower place down subordinate's shank (41) with and square fulcrum (51) suit that interlocks of door knob (5), be arranged with tong-like flexible member (411) on the shank (41) down, clamping has the projection (16) that fixes with lock housing (1) between the anterior cross part of tong-like flexible member (411) (412), the right edge of drive member (4) is a curved face part (42) that acts on mutually with holding piece (216) lower end, is raised with the driving lever (43) that acts on mutually with pallet (74) rear portion hypotenuse pawl (742) at drive member (4) middle part.

5, according to the described door lock that the multisection type arrestment mechanism is arranged of claim 1, it is characterized in that: alarm bell device (6) is arranged among an inboard and the door internal handle (5), be lined with rubber sheet gasket (61) at square fulcrum (51) and door inside cover plate (54) joint cover, two symmetries that are sticked in the left side of rubber sheet gasket (61) and the positive and negative conducting strip of the alternate semilune that separates (62) and (63), respectively be overlapped with reed (64) and (65) on positive and negative conducting strip (62) and (63), the outer end of reed (64) and (65) all fixes with cover plate (54) and is connected with circuit (641) and (651), another elongated end of circuit (641) and (651) is connected with power supply (67) with the tinkle of bells device (66), the tinkle of bells device (66) links to each other with microswitch (68) with (661) by circuit (671) respectively with power supply (67), microswitch (68) top is against the protruding button (55) that rotates synchronously with square fulcrum (51) is arranged, positive and negative conducting strip (62) is connected with (63) switch (52) by installing in the door knob (5) of lead-in wire (621) and (631) and door inboard, and switch (52) links to each other with the button (53) that is contained on the door knob (5) that crouches.

6, according to the described door lock that the multisection type arrestment mechanism is arranged of claim 1, it is characterized in that: V-arrangement locking bolt (7) uncovered towards dead bolt (3) upside and insert in lock housing (1) jack, locking bolt (7) middle part recess (72) downside block has a projection (17), the hook portion (71) of locking bolt (7) back segment and the recess (32) of dead bolt (3) upside block mutually to be dialled, recess (72) upside of locking bolt (7) is against there being a spring (73) that fixes with lock housing, at the pallet (74) of the horizontal saddle in recess (32) below of dead bolt (3) bottom.

7, according to claim 1 or the 3 described door locks that the multisection type arrestment mechanism is arranged, it is characterized in that: front and back both sides each evagination anterior at dead bolt (3) rectangular aperture (32) has a pulley (34), pulley (34) rear side is all against a L shaped flexible member (341) is arranged, the hypomere of L shaped flexible member (341) and lock housing (1) fix, and fasten have elastic component (743) at the oblique curved boom of leading portion (741) downside of the pallet (74) of saddle.