CN201100036Y - Door lock for fire-fighting safety door - Google Patents

Door lock for fire-fighting safety door Download PDF

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Publication number
CN201100036Y
CN201100036Y CNU2007201840365U CN200720184036U CN201100036Y CN 201100036 Y CN201100036 Y CN 201100036Y CN U2007201840365 U CNU2007201840365 U CN U2007201840365U CN 200720184036 U CN200720184036 U CN 200720184036U CN 201100036 Y CN201100036 Y CN 201100036Y
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China
Prior art keywords
tongue
plate
lock housing
location
drawbar
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CNU2007201840365U
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Chinese (zh)
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刘宏
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Individual
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Individual
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Priority to CNU2007201840365U priority Critical patent/CN201100036Y/en
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Abstract

The utility model relates to a lock for a fire-fighting emergency exit, which comprises a lock cover (1), and the tail of the lock is connected with a dead bolt extension plate (21), a dead bolt (2), a latch bolt extension pole (31) and a latch bolt (3). A locating plate (4) which can lock the dead bolt extension plate (21) is arranged in the lock cover (1), a rotating wheel component (5) and a shifter lever (6) are arranged in the lock cover (1), the rotating wheel component (5) and the shifter lever (6) are rotatablely arranged in the lock cover (1), one end of the shifter lever (6) is connected with the dead bolt extension plate (21), the right side of the rotating wheel component (5) is provided with a first shifting arm (51) which is connected with the latch bolt extension pole (31), the left side of the rotating wheel components (5) is provided with a second shifting arm (52), the locating plate (4) is provided with a stopper portion (41), and the second shifting arm (52) is contacted and engaged with the stopper portion (41), in the state that the second shifting arm (52) drives the locating plate (4) to move to unlock the dead bolt extension plate (21), the second shifting arm (52) can be contacted and engaged with the other end of the shifter lever (6). The lock for fir-fighting emergency exit is a lock which can unlock the dead bolt and the latch bolt, is simple and reasonable in structure, and is used for the fire-fighting emergency exit.

Description

A kind of door lock that is used for fire exit
Technical field
The utility model relates to the technical field of door lock, relates in particular to a kind of door lock that is used for fire exit with the escaping function that catches fire.
Background technology
Existing most of double lock tongue insurance lock, its side's tongue and oblique tongue are separate.Can only be when opening the door with in the key turns drives structure side of the making tongue withdrawal housing, also will be rotated further Door handle will just can reach the purpose of opening the door in the oblique tongue indentation lock housing.This door lock operation gets up cumbersome, just in case breaking out of fire can be incured loss through delay escape time.
At this shape, someone has invented the door lock with escaping function, as a patent No. is the lock pin lock of a kind of fire-proof lifesaving so the Chinese utility model patent a kind of lock pin of fire-proof lifesaving " lock " of ZL200420015006.8 (notification number is CN2682164Y) has disclosed, comprise housing, oblique tongue assembly, square tongue, handle, it is characterized in that being provided with in the housing balance wheel assembly and square tongue swing arm assembly, clamp swing arm assembly; Balance wheel assembly is by escapement on oblique hypogloeeis escapement, main escapement, the oblique tongue; Tiltedly on the escapement of hypogloeeis following swing arm, boss and hole are arranged; Main escapement is provided with master pendulum arm, square tongue driving lever, and the clamp driving lever, and have pin shaft hole; Tiltedly escapement is provided with top link bearing pin and boss and hole on the tongue; Side's tongue swing arm assembly is made up of square tongue swing arm and vertical shaft, has the hole in the square tongue swing arm and matches with the vertical shaft that is fixed on the housing; Within the scope that the baffle plate side of the being positioned at tongue driving lever of side's tongue swing arm can be stirred; Clamp swing arm assembly is made up of clamp swing arm, rotating shaft, has the hole in the clamp swing arm and matches with the rotating shaft of being fixed on the housing; The master that card is pulled swing arm dials peach and is positioned at the scope that the clamp driving lever can be stirred, secondary group of right side of choosing the straight plate that is positioned at the clamp left end.In emergency circumstances, people can reach the purpose of escape without key rapidly.
This patent is opened rapidly for realization, adopted balance wheel assembly, clamp swing arm assembly, secondary dialling parts such as to choose, and master pendulum arm not only on the main escapement, but also the side's of having tongue driving lever, clamp driving lever, therefore be somebody's turn to do the complicated integral structure of lock, and the structure of single parts is also complicated, is unfavorable for production and assembly.Also have the lock in the above-mentioned patent not have the function that commutation is used, promptly it can only be used for left hand model door or right hand model door, and the scope of application is wideless.
So existing door lock with quick unlatching escaping function also can be further improved.
The utility model content
Technical problem to be solved in the utility model is another side's of the unlatching tongue and the tiltedly door lock that is used for fire exit of tongue fast that provides at above-mentioned prior art present situation, and it has simple and reasonable, the advantage of compact overall structure, stable action.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of door lock that is used for fire exit, include lock housing, movable square tongue and the oblique tongue that passes the lock housing antetheca, the tongue afterbody side of being connected with, side tongue drawing plate, tiltedly the tongue afterbody is connected with oblique tongue drawbar; Being provided with in the lock housing can the side's of driving tongue drawing plate and the oblique tongue drawbar drives structure of moving after laterally, and can make the location-plate that vertically moves along the lock housing bottom surface; Have one between described location-plate and the square tongue drawing plate and the location structure of square tongue drawing plate locking can be provided with the resetting structure that makes location-plate have the side's of locking tongue drawing plate trend all the time between location-plate and the lock housing; Also be provided with the side's of driving tongue drawing plate simultaneously and the oblique driven unit that moves after laterally of tongue drawbar in the lock housing; It is characterized in that described driven unit includes wheel set assembly, driving lever; Described wheel set assembly is arranged in the lock housing rotationally, and wheel set assembly resets by the torsion spring that is arranged in the lock housing; Its middle part of described driving lever is arranged in the lock housing rotationally, and an end of driving lever links to each other with square tongue drawing plate the driving lever rotation can laterally be moved by drive side's tongue drawing plate; Described wheel set assembly right side has first moving arm that links to each other with oblique tongue drawbar, the wheel set assembly left side has second moving arm, has the stopper that contacts cooperation with second moving arm on the described location-plate, drive location-plate at second moving arm and move to square tongue drawing plate and unlock under the state, described second moving arm can be conflicted with the other end of driving lever and be cooperated.
The structure that above-mentioned location-plate is arranged in the lock housing is: tongue drawing plate bottom, the location-plate side of being positioned at, on the location-plate rear end face, have an elongated groove that vertically is provided with, on the lock housing bottom surface, be provided with one raise up and and the projection that matches of described groove, but this projection stretches in the groove and the opposed slot straight skidding.Certainly also can on the lock housing bottom surface, have the strip groove, and a projection that matches with groove to lower convexity is set in the bottom surface of location-plate, also can realize identical purpose, also can adopt certainly to have identity function and similar other existing structure.
Latch-up structure between above-mentioned location-plate and the square tongue drawing plate is: have a upwardly extending location division on location-plate, have two and location division at interval in described side's tongue drawing plate one side and carry out the breach that selection card is joined, under square tongue is fully retracted state in the lock housing, in the breach in tongue drawing plate the place ahead, the side of being fastened on, described location division, under square tongue stretches out state outside the lock housing fully, in the breach at tongue drawing plate rear, the side of being fastened on, described location division.Adopt this location structure, can the location-plate action is stable, the firm position of location-plate, and also structure is also fairly simple, is the normal structure that adopts in the lock.
The structure that above-mentioned square tongue drawing plate is installed in the lock housing is: laterally have an elongated stopper slot on square tongue drawing plate, the location-plate front end vertically has an elongated guiding slotted eye, be provided with one raises up and simultaneously and the limited post that matches of described stopper slot and guiding slotted eye, this limited post activity extend in the stopper slot after passing the slotted eye that leads in the bottom surface of lock housing.Adopt this position limiting structure can make this door lock overall structure compact, and this limited post not only plays the effect to square tongue drawing plate guiding, and this limited post also play the effect spacing to location-plate.
The above-mentioned structure that location-plate is resetted is: be provided with the erection column that raises up on the lock housing bottom surface, be arranged with a torsion spring on this erection column, an end of this torsion spring is resisted against the outer face, location division of location-plate, and the other end is resisted against the rear end of lock housing.Certainly this resetting structure also can adopt the side at location-plate that one extension spring is set, the tension of location-plate one pulling location-plate reset response is given in this extension spring, it also can adopt and be provided with one promote the leaf spring that location-plate resets for location-plate one in lock housing, thisly make structure that location-plate resets use in shutting mutually often existing, we can select to use as required.
On the projection of the sheathed lock housing of above-mentioned torsion spring bottom surface, an end of torsion spring is resisted against on first moving arm, and the other end of torsion spring is against the rear portion that is lock housing.
Has the baffle plate that passes for oblique tongue drawbar in the above-mentioned lock housing, be positioned on the oblique tongue drawbar of baffle plate front portion and have a convex shoulder, on the oblique tongue drawbar between baffle plate and the convex shoulder, be arranged with the little support spring of the coefficient of stiffiness, be positioned on the oblique tongue drawbar at baffle plate rear portion and be arranged with a catch, tiltedly tongue drawbar catch rotation relatively, afterbody at oblique tongue drawbar is fixed with a baffle ring, on the oblique tongue drawbar between baffle ring and the catch, be arranged with the big spring of the coefficient of stiffiness, described first moving arm is shelved between catch and the baffle plate rear end face and with catch and contacts, the bottom face of described oblique tongue drawbar has radial slot, has and the oblique corresponding through hole of bottom face of tongue drawbar at the rear wall of lock housing.This oblique tongue structure has can be with the function of oblique tongue bevel direction conversion, and has advantage of simple structure.
Above-mentioned wheel set assembly includes runner, following runner, plectrum; Described upward runner middle part has irregularly-shaped hole and reaches at least two upward installing holes, and the lower surface of last runner has can be for ccontaining its interior and counterrotating upper recess of plectrum, and the right side of last runner has last adjutage, and last adjutage lower surface has short slot; Described runner down middle part has irregularly-shaped hole and at least two following installing holes, and the upper surface of following runner has can be for ccontaining its interior and counterrotating lower concave part of plectrum, and the right side of following runner has following adjutage, and following adjutage lower surface has short slot; At least have two screwed holes on the described plectrum, described plectrum left side has adjutage, and this adjutage is second moving arm; Described plectrum is by screw and last runner or descend runner to be fixed together, the described runner of going up is shelved on down on the runner, and plectrum is contained in lower concave part or the upper recess, the described adjutage of going up forms first moving arm with following adjutage make-up, the perforation that corresponding formation can supply oblique tongue drawbar to pass about the described short slot.This wheel set assembly has advantage simple in structure, easy to assembly; This wheel set assembly of what is more important has the purpose that commutation is used, and when we are fixed together plectrum and last runner, then have only to drive and goes up runner and just can drive simultaneously in oblique tongue and the square tongue while indentation lock housing; Otherwise if plectrum and following runner are fixed together, then driving down, runner just can drive in oblique tongue and the square tongue indentation simultaneously lock housing simultaneously; After adopting this wheel pack configuration, this door lock not only can be used on the left hand model door, on also available and the right hand model door, increases the diversity that door lock uses.
Above-mentioned driving lever is L-shaped, the L shaped intersection of driving lever is rotatable to be arranged in the lock housing relevant position, described side's tongue drawing plate right side has a bayonet socket, the end of the longitudinal edge of described driving lever is plugged in the bayonet socket, this driving lever shape can make full use of the space of lock housing, optimize the layout of each parts in lock housing, the face that the horizontal edge of described driving lever contacts with second moving arm is a cambered surface.Stirred and rotate by second moving arm but driving lever was lighter when the driving lever horizontal edge was curved.
Be provided with interlinked mechanism between above-mentioned square tongue and the oblique tongue, this interlinked mechanism includes secondary and drives bar, this secondary drives on the side of being movably articulated in, the middle part tongue drawing plate of bar, a struck side of secondary drive bar can be stirred with the convex shoulder front end and be cooperated, cooperation is then stirred with the drives structure that driving side's tongue drawing plate laterally moves in its another struck side, under the state in square tongue indentation lock housing, drives structure can drive secondary and drive bar around its articulated section rotation.Drive the effect of bar by this secondary, can reach and take a step allow drives structure action (knob in the rotating room), drives structure is rotated a week, in the side's of making tongue indentation lock housing, further again rotation drive structure, drives structure promotes secondary and drives the bar rotation, the effect declivity tongue drawbar that drives bar at secondary retreats, and then make in the also indentation lock housing of oblique tongue, rotating an about week in drives structure partly just can also open oblique tongue in unlatching side's tongue, thereby rapidly door is opened, the people in the room was run out of in the room in the very short time, this interlinked mechanism has simple in structure in addition.
Compared with prior art, advantage of the present utility model is: this wheel set assembly only needs two moving arms, one of them moving arm links to each other with oblique tongue drawbar and moves after laterally to drive oblique tongue drawbar, another moving arm can drive simultaneously then that the location division vertically moves and square tongue drawing plate laterally moves, make runner rotate a low-angle just simultaneously the side's of driving tongue and tiltedly glossocoma in lock housing, reach the purpose of quick unlatching, and need not a plurality of parts, structure is simpler, and is easy to assembly.
Description of drawings
Fig. 1 is the stereogram one (being in the lock state) of the utility model embodiment;
Fig. 2 is the stereogram two (emergent unlocking state) of the utility model embodiment;
Fig. 3 is the vertical view (reset mode behind the emergent unlocking) of the utility model embodiment;
Fig. 4 is wheel set assembly stereochemical structure broken away view among the utility model embodiment (going up runner and plectrum fixes);
Fig. 5 is wheel set assembly stereochemical structure broken away view (following runner and plectrum are fixed) among the utility model embodiment;
Fig. 6 is the perspective view of driving lever among the utility model embodiment;
Fig. 7 is the perspective view of location-plate among the utility model embodiment;
Fig. 8 is the perspective view of square tongue drawing plate among the utility model embodiment;
Fig. 9 is the perspective view of upper cover of lock shell among the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Be depicted as a preferred embodiment of the present utility model as Fig. 1~9.
A kind of door lock that is used for fire exit includes lock housing 1, movable square tongue 2 and the oblique tongue 3 that passes lock housing 1 antetheca, the square tongue 2 afterbody side of being connected with tongue drawing plates 21, and tiltedly tongue 3 afterbodys are connected with oblique tongue drawbar 31.Wherein lock housing 1 is by base be threaded in that loam cake 18 on the base forms, be provided with in the lock housing 1 can the side's of driving tongue drawing plate 21 drives structure that laterally move, but this drives structure application reference people application in the past, the Chinese utility model patent " a kind of door lock with elongated spring bolt " of patent No. ZL200620103787.5 (notification number is CN926420Y) does not just launch to elaborate at this.
The structure that oblique tongue drawbar 31 is installed in the lock housing 1 is: the baffle plate 15 that passes for oblique tongue drawbar 31 in the lock housing 1, be positioned on the oblique tongue drawbar 31 of baffle plate 15 front portions and have a convex shoulder 311, on the oblique tongue drawbar 31 between baffle plate 15 and the convex shoulder 311, be arranged with the little support spring of the coefficient of stiffiness 9, be positioned on the oblique tongue drawbar 31 at baffle plate 15 rear portions and be arranged with a catch 312, tiltedly tongue drawbar 31 catch 312 rotations relatively, afterbody at oblique tongue drawbar 31 is fixed with a baffle ring 313, on the oblique tongue drawbar 31 between baffle ring 313 and the catch 312, be arranged with the big spring of the coefficient of stiffiness 10, the bottom face of described oblique tongue drawbar 31 has radial slot 314, have and the oblique corresponding through hole 16 of bottom face of tongue drawbar 31 at the rear wall of lock housing 1 loam cake, through hole 16 is arranged on the rear wall of loam cake 18 of lock housing 1, as shown in Figure 9.
Be provided with in the lock housing 1 and can make the location-plate 4 vertically move along lock housing 1 bottom surface, the structure that location-plate 4 is arranged in the lock housing 1 is: have an elongated groove 42 that vertically is provided with on location-plate 4 rear end faces, on lock housing 1 bottom surface, be provided with one raise up and and the projection 11 that matches of described groove 42, but this projection 11 stretches in the groove 42 and opposed slot 42 straight skiddings.
Shown in Fig. 7,8, the structure that side's tongue drawing plate 21 is installed in the lock housing 1 is: location-plate 4 side's of being positioned at tongue drawing plates 21 bottoms, on square tongue drawing plate 21, vertically have an elongated stopper slot 213, location-plate 4 front ends vertically have an elongated guiding slotted eye 44, be provided with one raises up and simultaneously and the limited post 12 that matches of described stopper slot 213 and the slotted eye 44 that leads in the bottom surface of lock housing 1, but this limited post 12 passes guiding to extend into behind the slotted eye 44 in the stopper slot 213 and the 213 horizontal slippages of relative limit groove, while limited post 12 slotted eye 44 straight skiddings that can lead relatively.
Have between described location-plate 4 and the square tongue drawing plate 21 one can the side's of making tongue 2 stretch out or indentation lock housing 1 internal state below tongue drawing plate 21 blocked location structures, latch-up structure is: have a upwardly extending location division 43 on location-plate 4, have two and location division 43 at interval in described side's tongue drawing plate 21 1 sides and carry out the breach 211 that selection card is joined, 212, under square tongue 2 is fully retracted state in the lock housing 1, in the breach 211 in 43 side's of being fastened on tongue drawing plates, 21 the place aheads, described location division, under square tongue 2 stretches out state outside the lock housing 1 fully, in the breach 212 at 43 side's of being fastened on tongue drawing plates, 21 rears, described location division.
Be provided with the resetting structure that makes location-plate 4 have the side's of locking tongue drawing plate 21 trend all the time between location-plate 4 and the lock housing 1.Resetting structure is: be provided with the erection column 13 that raises up on lock housing 1 bottom surface, be arranged with a torsion spring 8 on this erection column 13, an end of this torsion spring 8 is resisted against 43 outer faces, location division of location-plate 4, and the other end is resisted against the rear end of lock housing 1.
Also be provided with the side's of driving tongue drawing plate simultaneously 21 and the oblique driven unit that moves after laterally of tongue drawbar 31 in the lock housing 1.
Shown in Fig. 4,6, driven unit includes wheel set assembly 5, driving lever 6.
Described wheel set assembly 5 is arranged in the lock housing 1 and at square tongue drawing plate 21 with tiltedly between the tongue drawbar 31 rotationally, wheel set assembly 5 right sides have first moving arm 51 that links to each other with oblique tongue drawbar 31, making the rotation of wheel set assembly 5 can drive oblique tongue drawbar 31 laterally moves, first moving arm 51 is shelved between catch 312 and baffle plate 15 rear end faces and with catch 312 and contacts, and described wheel set assembly 5 left ends have second moving arm 52.
Wheel set assembly 5 resets by the torsion spring 7 that is arranged in the lock housing 1.On the projection 14 of torsion spring 7 sheathed lock housings 1 bottom surface, an end of torsion spring 7 is resisted against on first moving arm 51, and the other end of torsion spring 7 is against the rear portion that is lock housing 1.
Wherein wheel set assembly 5 includes runner 53, following runner 54, plectrum 55.
Described upward runner 53 middle parts have irregularly-shaped hole 531 and reach at least two upward installing holes 532, the lower surface of last runner 53 has can be for plectrum 55 ccontaining its interior and counterrotating upper recess 533, the right side of last runner 53 has last adjutage 534, and last adjutage 534 lower surfaces have short slot 535; Described runner 54 middle parts down have irregularly-shaped hole 541 and at least two following installing holes 542, the upper surface of following runner 54 has can be for plectrum 55 ccontaining its interior and counterrotating lower concave parts 543, the right side of following runner 54 has following adjutage 544, and following adjutage 544 lower surfaces have short slot 545; At least have two screwed holes 551 on the described plectrum 55, described plectrum 55 left sides have adjutage, and this adjutage is second moving arm 52; Installing hole 532 screwed holes 551 back and on the plectrum 55 that have screw 56 to pass runner 53 are threaded, the described runner 53 of going up is shelved on down on the runner 54, and plectrum 55 the latter halfs are contained in the lower concave part 543 and can rotate relatively, the described adjutage 534 of going up forms first moving arm 51 with following adjutage 544 make-ups, the perforation that corresponding formation can supply oblique tongue drawbar 31 to pass about in the of 535,545 of described short slot.
Driving lever 6 is L-shaped, the L shaped intersection of driving lever 6 is rotatable to be arranged on and between square tongue drawing plate 21 and oblique tongue drawbar 31 lock housing the 1 relevant position in, described side's tongue drawing plate 21 right upper portion have a bayonet socket 214, the end of the longitudinal edge 61 of described driving lever 6 is plugged in the bayonet socket 214, so the rotation of driving lever 6 can drive side's tongue drawing plate 21 moved after laterally.
Have on location-plate 4 with second moving arm 52 and keep off the stopper 41 of joining mutually, this stopper 41 is a projection, and second moving arm 52 of described wheel set assembly 5 contacts with stopper 41 and cooperates the rotation drive location-plate 4 that makes wheel set assembly 5 to vertically move.Driving location-plate 4 at second moving arm 52 moves to and removes under the other side's tongue drawing plate 21 lock-out states, described second moving arm 52 can cooperate with horizontal edge 62 conflicts of driving lever 6 and can drive driving lever 6 rotations under wheel set assembly 5 is rotated further, and horizontal edge 62 and 52 contacted of second moving arms are cambered surface.
Between square tongue 2 and oblique tongue 3, be provided with secondary and drive bar 17, this secondary drives on the side of being movably articulated in, the middle part tongue drawing plate 21 of bar 17, secondary drives the struck side and convex shoulder 311 front ends of bar 17 can stir cooperation, cooperation is then stirred with the drives structure that driving side's tongue drawing plate 21 laterally moves in its another struck side, under the state in square tongue 2 indentation lock housings 1, drives structure continues action, and drives structure can drive secondary and drive bar 17 around its articulated section rotation.
Laterally being meant and lock housing 1 front side wall vertical direction described in the utility model, vertical direction at finger and lock housing 1 front side wall almost parallel.
The operating principle of the utility model embodiment and process are such:
Shown in Fig. 1~5, but the Chinese utility model patent " a kind of door lock " of the course of work referenced patent ZL200620103787.5 that normally locks a door and unblank (notification number is CN926420Y) with elongated spring bolt;
But the course of work of secondary drive bar is the Chinese utility model patent " a kind of door lock with elongated spring bolt " of referenced patent ZL200620103787.5 (notification number is CN926420Y) also.
The quick process of opening the door of escaping: the irregularly-shaped hole 531 of the last runner 53 in the wheel set assembly 5 is linked to each other with an extraneous drives structure, it is a knob that wherein extraneous drives structure has, preferably a kind of push-down keeper of drives structure, this keeper bolt structure that escape adopt in existing market is similar, adopt the people's escape of being more convenient for of driving bolt structure, only need pushing action just can open escape, by promoting keeper to drive wheel set assembly 5 rotations.After wheel set assembly 5 rotations, first moving arm 51 drives oblique tongue drawbar 31 and shrinks back towards lock housing 1 direction, simultaneously second moving arm 52 cooperates promotion location-plate 4 to vertically move with stopper 41 on the location-plate 4, locking with contact location-plate 4 the other side's tongue drawing plates 21, just removing under the lock-out state of the other side's tongue drawing plate 21, this second moving arm 52 with just in time contact with the horizontal edge 62 of driving lever 6, be rotated further wheel set assembly 5, second moving arm 52 promotes driving lever 6 and is rotated counterclockwise around its articulated section, the longitudinal edge 61 of driving lever 6 just can the side's of stirring tongue drawing plate 21 moves after laterally, and then the side's of making tongue 2 shrinks back back in the lock housing 1, and tiltedly tongue 3 is shunk back back in the lock housing 1 simultaneously.
Unclamp extraneous drives structure after the end, drive wheel set assembly 5 in the effect of torsion spring 7 and reset, torsion spring 8 drives location-plates 4 and resets simultaneously, and under square tongue drawing plate 21 indentation lock housings 1 internal state, with square tongue drawing plate 21 lockings, driving lever resets again.
As shown in Figure 5, certainly as needing commutation, installing hole 542 screwed holes 551 back and on the plectrum 55 that then allow screw 56 pass down runner 54 are threaded, this moment, the irregularly-shaped hole 541 with the following runner 54 in the wheel set assembly 5 linked to each other with extraneous drives structure, change the bevel direction of oblique tongue 2 simultaneously, can in the door of oppositely opening, use this door lock, widen the scope of application of door lock, make things convenient for use.

Claims (10)

1, a kind of door lock that is used for fire exit includes lock housing (1), movable square tongue (2) and the oblique tongue (3) that passes lock housing (1) antetheca, square tongue (2) the afterbody side of being connected with tongue drawing plate (21), and tiltedly tongue (3) afterbody is connected with oblique tongue drawbar (31);
Be provided with the drives structure that can the side's of driving tongue drawing plate (21) laterally moves in the lock housing (1), and can make the location-plate (4) that vertically moves along lock housing (1) bottom surface;
Have one between described location-plate (4) and the square tongue drawing plate (21) and the location structure of square tongue drawing plate (21) locking can be provided with the resetting structure that makes location-plate (4) have the side's of locking tongue drawing plate (21) trend all the time between location-plate (4) and the lock housing (1);
Also be provided with the side's of driving tongue drawing plate (21) simultaneously and the oblique driven unit that moves after laterally of tongue drawbar (31) in the lock housing (1);
It is characterized in that described driven unit includes wheel set assembly (5), driving lever (6);
Described wheel set assembly (5) is arranged in the lock housing (1) rotationally, and runner group (5) part resets by the torsion spring (7) that is arranged in the lock housing (1);
Its middle part of described driving lever (6) is arranged in the lock housing (1) rotationally, and an end of driving lever (6) links to each other with square tongue drawing plate (21);
Described wheel set assembly (5) right side has first moving arm (51) that links to each other with oblique tongue drawbar (31), wheel set assembly (5) left side has second moving arm (52), has stopper (41) on the described location-plate (4), second moving arm (52) contacts cooperation with stopper (41), drive location-plate (4) at second moving arm (52) and move to square tongue drawing plate (21) and unlock under the state, described second moving arm (52) can be conflicted with the other end of driving lever (6) and be cooperated.
2, the door lock that is used for fire exit according to claim 1, it is characterized in that the structure that described location-plate is arranged in the lock housing is: location-plate (4) side's of being positioned at tongue drawing plate (21) bottom, on location-plate (4) rear end face, have an elongated groove (42) that vertically is provided with, on lock housing (1) bottom surface, be provided with one raise up and and the projection (11) that matches of described groove (42), this projection (11) stretch into groove (42) but in and opposed slot (42) straight skidding.
3, the door lock that is used for fire exit according to claim 1, it is characterized in that the latch-up structure between described location-plate (4) and the square tongue drawing plate (21) is: on location-plate (4), have a upwardly extending location division (43), have two and location division (43) at interval in described side's tongue drawing plate (21) one sides and carry out the breach (211 that selection card is joined, 212), under the state in square tongue (2) is fully retracted lock housing (1), in the breach (211) in described location division (43) side's of being fastened on tongue drawing plate (21) the place ahead, under the state outside square tongue (2) stretches out lock housing (1) fully, in the breach (212) at described location division (43) side's of being fastened on tongue drawing plates (21) rear.
4, the door lock that is used for fire exit according to claim 2, it is characterized in that the structure that described side's tongue drawing plate (21) is installed in the lock housing (1) is: on square tongue drawing plate (21), laterally have an elongated stopper slot (213), location-plate (4) front end vertically has an elongated guiding slotted eye (44), be provided with one raises up and simultaneously and the limited post (12) that matches of described stopper slot (213) and guiding slotted eye (44), this limited post (12) activity extend in the stopper slot (213) after passing the slotted eye (44) that leads in the bottom surface of lock housing (1).
5, the door lock that is used for fire exit according to claim 3, it is characterized in that the described structure that location-plate (4) is resetted is: on lock housing (1) bottom surface, be provided with the erection column (13) that raises up, be arranged with a torsion spring (8) on this erection column (13), one end of this torsion spring (8) is resisted against the outer face, location division (43) of location-plate (4), and the other end is resisted against the rear end of lock housing (1).
6, the door lock that is used for fire exit according to claim 1, it is characterized in that on the projection (14) of the sheathed lock housing of described torsion spring (7) (1) bottom surface, one end of torsion spring (7) is resisted against on first moving arm (51), and the other end of torsion spring (7) is against the rear portion that is lock housing (1).
7, the door lock that is used for fire exit according to claim 1, it is characterized in that having the baffle plate (15) that passes for oblique tongue drawbar (31) in the described lock housing (1), be positioned on the anterior oblique tongue drawbar (31) of baffle plate (15) and have a convex shoulder (311), on the oblique tongue drawbar (31) between baffle plate (15) and the convex shoulder (311), be arranged with the little support spring of the coefficient of stiffiness (9), be positioned on the oblique tongue drawbar (31) at baffle plate (15) rear portion and be arranged with a catch (312), tiltedly tongue drawbar (31) catch (312) rotation relatively, afterbody at oblique tongue drawbar (31) is fixed with a baffle ring (313), on the oblique tongue drawbar (31) between baffle ring (313) and the catch (312), be arranged with the big spring of the coefficient of stiffiness (10), described first moving arm (51) is shelved between catch (312) and baffle plate (15) rear end face and with catch (312) and contacts, the bottom face of described oblique tongue drawbar (31) has radial slot (311), has and the oblique corresponding through hole of bottom face (16) of tongue drawbar (31) at the rear wall of lock housing (1).
8,, it is characterized in that described wheel set assembly (5) includes runner (53), following runner (54), plectrum (55) according to the described door lock that is used for fire exit of arbitrary claim in the claim 1~7;
Described upward runner (53) middle part has irregularly-shaped hole (531) and reaches at least two upward installing holes (532), the lower surface of last runner (53) has can supply ccontaining its interior and counterrotating upper recess (533) of plectrum (55), the right side of last runner (53) has last adjutage (534), and last adjutage (534) lower surface has short slot (535);
Described runner (54) down middle part has irregularly-shaped hole (541) and at least two following installing holes (542), the upper surface of following runner (54) has can supply ccontaining its interior and counterrotating lower concave part (543) of plectrum (55), the right side of following runner (54) has following adjutage (544), and following adjutage (544) lower surface has short slot (545);
At least have two screwed holes (551) on the described plectrum (55), described plectrum (55) left side has adjutage, and this adjutage is second moving arm (52);
Described plectrum (55) is fixed together by screw (56) and last runner (53) or following runner (54), the described runner (53) of going up is shelved on down on the runner (54), and plectrum (55) is contained in lower concave part (543) or the upper recess (533), describedly go up adjutage (534) and following adjutage (544) make-up and form first moving arm (51), the perforation that the corresponding up and down formation of described short slot (535,545) can supply oblique tongue drawbar (31) to pass.
9, according to the described door lock that is used for fire exit of arbitrary claim in the claim 1~7, it is characterized in that described driving lever (6) is L-shaped, the L shaped intersection of driving lever (6) is rotatable to be arranged in lock housing (1) relevant position, described side's tongue drawing plate (21) right side has a bayonet socket (214), the end of the longitudinal edge (61) of described driving lever (6) is plugged in the bayonet socket (214), and the face that the horizontal edge (62) of described driving lever (6) contacts with second moving arm (52) is a cambered surface.
10, the door lock that is used for fire exit according to claim 7, it is characterized in that described side's tongue (2) and tiltedly be provided with interlinked mechanism between the tongue (3), this interlinked mechanism includes secondary and drives bar (17), this secondary drives on the side of being movably articulated in, the middle part tongue drawing plate (21) of bar (17), a struck side of secondary drive bar (17) can be stirred with convex shoulder (311) front end and be cooperated, cooperation is then stirred with the drives structure that driving side's tongue drawing plate (21) laterally moves in its another struck side, under the state in square tongue (2) indentation lock housing (1), drives structure can drive secondary and drive bar (17) around its articulated section rotation.
CNU2007201840365U 2007-10-11 2007-10-11 Door lock for fire-fighting safety door Expired - Lifetime CN201100036Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201840365U CN201100036Y (en) 2007-10-11 2007-10-11 Door lock for fire-fighting safety door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201840365U CN201100036Y (en) 2007-10-11 2007-10-11 Door lock for fire-fighting safety door

Publications (1)

Publication Number Publication Date
CN201100036Y true CN201100036Y (en) 2008-08-13

Family

ID=39936568

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201840365U Expired - Lifetime CN201100036Y (en) 2007-10-11 2007-10-11 Door lock for fire-fighting safety door

Country Status (1)

Country Link
CN (1) CN201100036Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101696613B (en) * 2009-10-17 2012-02-29 烟台三环科技有限公司 Lockset
CN108252572A (en) * 2018-03-13 2018-07-06 杭州易欣安实业有限公司 Insertion-core lock
CN108533085A (en) * 2018-03-05 2018-09-14 周桂美 A kind of lock body component

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101696613B (en) * 2009-10-17 2012-02-29 烟台三环科技有限公司 Lockset
CN108533085A (en) * 2018-03-05 2018-09-14 周桂美 A kind of lock body component
CN108252572A (en) * 2018-03-13 2018-07-06 杭州易欣安实业有限公司 Insertion-core lock
CN108252572B (en) * 2018-03-13 2023-07-28 杭州易欣安实业有限公司 Mortise lock

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