CN100410483C - Door lock with elongated spring bolt - Google Patents
Door lock with elongated spring bolt Download PDFInfo
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- CN100410483C CN100410483C CNB2006100508207A CN200610050820A CN100410483C CN 100410483 C CN100410483 C CN 100410483C CN B2006100508207 A CNB2006100508207 A CN B2006100508207A CN 200610050820 A CN200610050820 A CN 200610050820A CN 100410483 C CN100410483 C CN 100410483C
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- 230000000694 effects Effects 0.000 claims description 20
- 238000007373 indentation Methods 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract 1
- 210000002105 tongue Anatomy 0.000 description 144
- 230000008901 benefit Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
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- 238000009987 spinning Methods 0.000 description 1
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Abstract
The present invention relates to a door lock with an elongated bolt, which comprises a lock casing (1), an elongated square bolt (2) which is provided with a trailing bar (21) of the square bolt, a shifting fork (4), a positioning plate (5) and a pushing plate (6), wherein the pushing plate (6) is arranged on the positioning plate (5), and a first side surface (62) and a second side surface (63) on the pushing plate (6) respectively present a slope shape with consistent slanting direction. A first limited post (11) and a second limited post (12) which are matched with the first side surface (62) and the second side surface (63) are arranged on the corresponding position in the lock casing (1); the pushing plate gradually moves to the shifting fork under the action of each limited post and two slanting side surfaces on the pushing plate, and then, the contacting and pushing time of a shifting part and the pushing plate on the shifting fork is lengthened in the process that the shifting fork rotates one circle. Thus, the elongated square bolt can be fully pushed out of the lock casing in the process that the shifting fork rotates one circle, the locking level of the door lock with an elongated bolt is enhanced, the contact surface of the pushing plate and the elongated square bolt is large, and so, the transmission is smooth.
Description
Technical field
The technical field that the present invention relates to lock relates in particular to a kind of door lock with elongated spring bolt.
Background technology
Existing pair of tongue twin-lock head insurance lock, in order to increase anti-theft feature, it tends to make the square tongue of lengthening, can stretch out lock housing as far as possible longways by the side's of making tongue like this, and enter in the associated lockhole, can strengthen the theftproof performance of door lock like this, therefore have on the market and a kind ofly square tongue can be divided the multistage lock housing of stretching out, when we insert key in the lockhole, and change several circles more, make the shift fork side of drive tongue stretch out lock housing to greatest extent, to reach the purpose that strengthens theftproof performance.
As a patent No. is that the Chinese utility model patent " two tongue twin-lock head insurance lock " of ZL90211528.6 (notification number is CN2061586Y) has disclosed the structure so a kind of, a kind of pair of tongue twin-lock head insurance lock, it is characterized in that: with the roller seating space that has individual tooth pitch to equate on the tooth plate that Square lock bolt is riveted into one, hinged curved lever on the tooth plate, a retaining head is arranged on the curved lever, when the sealed secondary of Square lock bolt is above, the pusher dog that connects with inner core in the inner lock head, kept off first speed during rotation, can not change into the roller seating space of tooth plate and stir tooth plate, Square lock bolt is opened, enclosed when pusher dog rotates one, tooth plate just moves a tooth pitch, be that Square lock bolt is opened or sealed one-level, when needs sealed three grades, so that Square lock bolt stretches out lock housing to greatest extent, then pusher dog need rotate three circles.Therefore it exists sealed multistage need to make pusher dog rotate the corresponding number of turns, is not very convenient so use.
Also have, a kind of mortise door lock with the escaping function that cocks off has appearred in the market, as a patent No. is that the Chinese utility model patent " mortise door lock that the escaping function that cocks off is arranged " of ZL03273507.3 (notification number is CN2658317Y) has disclosed the structure so a kind of, it comprises parts such as liner plate, base plate, square tongue, oblique tongue, it is characterized in that on the lower surface of the oblique tongue rotor of base plate bottom, having connected and set aside plate, set aside plate and tiltedly hyoid arch plate and square tongue and dial and choose 7 and be connected; There are fan-shaped circular hole, vertical pillars in the described plate middle part of setting aside, last driving lever, and triangle is dialled plate; Described oblique hyoid arch plate one end connects oblique tongue one end and connects oblique hyoid arch flat spring.It utilizes parts and oblique hyoid arch plate, a square tongue of setting aside plate to dial cooperating of choosing, can reach and take a step (handle in the rotation), just can when opening oblique tongue, also open square tongue, thereby rapidly door is opened, people in the room was run out of in the room in the very short time, escape disaster.
But above-mentioned door lock, its side's tongue are not the square tongues of lengthening, this side's tongue of key turns one circle distance of advancing, and square tongue just all stretches out lock housing, because square tongue do not extend, so its theftproof performance is not enough.
Have again, European patent EP 0848125B1 also discloses a kind of door lock with elongated spring bolt, it comprises a dead bolt and a driving mechanism by key actuated, between is provided with a gangbar, when driving mechanism moves dead bolt from lockset position of coupler to upper lock position, this gangbar is moved simultaneously, and have and make the extra overhanging structure of dead bolt, wherein driving mechanism comprises a rotating cam, described gangbar is articulated on the lock housing, one end and the rotating cam of gangbar link, and a surface of the other end and dead bolt links and arrives upper lock position to drive dead bolt, and this gangbar does not participate in dead bolt moves to lockset position of coupler from upper lock position action.This European patent is to drive the gangbar that is articulated on the lock housing by rotating cam to rotate, it is additionally overhanging to make that end that contacts with dead bolt on the gangbar promote dead bolt, utilize lever principle, thereby play key turns and can promote the extra overhanging purpose of dead bolt once circle, the defective of its existence is, it is very little that gangbar promotes the overhanging that part of acting surface of dead bolt, can regard as a little and the contacting of face, and dead bolt is overhanging just can seem so not steady in its drive so.
Summary of the invention
Technical problem to be solved by this invention is that another shift fork that provides at above-mentioned prior art present situation only need rotate the door lock with elongated spring bolt that square tongue dead bolt can be stretched out fully outside the lock housing once enclosing, and it has the advantage of compactness rational in infrastructure, stable action.
Another one advantage of the present invention is exactly, and the user has greatly shortened uncaging time at spinning movement of indoor the need just side's of unlatching tongue and tiltedly tongue simultaneously, has the escaping function of cocking off.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of door lock with elongated spring bolt, include lock housing, activity is located on the lock housing antetheca and the adding rectangular tongue, and one rotate the shift fork be arranged in the lock housing and drive by key or knob of its afterbody side of having tongue drawing plate, shift fork is provided with the clicking section to outer lug, and shift fork can be fast by one and will be added rectangular tongue fully and release the promotion assembly and the square tongue drawing plate of lock housing antetheca and be associated; It is characterized in that described promotion assembly includes: location-plate, can promote to add the slurcam of rectangular tongue reach; Described location-plate makes it can only do that the position limiting structure vertically move is spacing presses close to place, lock housing bottom surface along the lock housing bottom surface in lock housing by one; Described slurcam is arranged on above the location-plate, the rear end of slurcam has and extends back, the pushing part of the clicking section interoperation on energy and the shift fork, first side on the left side of slurcam and second side on the right are the consistent inclined plane shape of incline direction, the corresponding position is provided with first limited post and second limited post that first side and second side with slurcam match in lock housing, in the process of slurcam reach, slurcam has under first limited post and first side action and relies on the trend that shift fork moves gradually, in the process that slurcam retreats, slurcam has the trend that moves away from shift fork gradually under second limited post and the second prism effect; Described side's tongue drawing plate is installed in the lock housing, and square tongue drawing plate is arranged on the top of slurcam, and square tongue drawing plate has one near that end of shift fork can make on the shift fork clicking section breach of the side's of stirring tongue drawing plate backward.
The structure that above-mentioned slurcam promotes to add rectangular tongue reach is: describedly add rectangular tongue rear end lower and have a rear end face to lower convexity, described slurcam front end face all the time and the rear end face that adds rectangular tongue fit.Because the rear end face integral body of slurcam all is and adds rectangular tongue rear end lower and contact to the rear end face of lower convexity, so its whole contact area is bigger, can make slurcam can very stably promote to add the reach of rectangular tongue, also can adopt certainly to have identity function and similar other existing structure.
The above-mentioned position limiting structure that makes location-plate do along the lock housing bottom surface to vertically move is: have an elongated groove that vertically is provided with on the location-plate rear end, 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.
Above-mentioned side's tongue drawing plate can only be installed in the lock housing along the position limiting structure that lock housing laterally moves by the side's of making tongue drawing plate by one, this position limiting structure is: vertically 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 3rd limited post that matches of described stopper slot and the slotted eye that leads in the bottom surface of lock housing, but the 3rd limited post extend in the stopper slot and relative limit groove straight skidding after passing the guiding slotted eye, adopt this position limiting structure can make this door lock overall structure compact, and the 3rd limited post not only play effect to square tongue drawing plate guiding, and the 3rd limited post also plays the effect spacing to location-plate.
Also being provided with one in lock housing can make location-plate vertically be reset to the resetting structure of original state, this resetting structure 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, one end of this torsion spring is resisted against the side of location-plate, 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.
The elongated slotted eye that has a vertical setting on the above-mentioned location-plate rear end and match with erection column, this erection column is located in this slotted eye and this slotted eye slippage relatively, described torsion spring set is located at erection column and passes on the part of slotted eye, and this erection column also can play the further guide and limit effect to location-plate like this.
Have between described side's tongue drawing plate and the location-plate one can make add that rectangular tongue is stretching out or indentation lock housing internal state under blocked location structure, this location structure 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, be fully retracted under the state in the lock housing adding rectangular tongue, in the breach in tongue drawing plate the place ahead, the side of being fastened on, described location division, stretch out fully under the state outside the lock housing adding rectangular tongue, 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 structure is also fairly simple, is the normal structure that adopts in the lock.
For can make the user indoor need not key also can be with door lock on, this door lock also include an activity be located on the lock housing antetheca and its afterbody have bar-shaped connecting portion oblique tongue, and one rotate the plectrum be arranged in the lock housing, described plectrum resets by the leaf spring that is arranged in the lock housing, is provided with a linkage portion that is the U type at connecting portion middle part; Connecting portion is located on the linkage portion, also has a resetting structure that oblique tongue and connecting portion are resetted between connecting portion and linkage portion; Also has a breach on the linkage portion, described plectrum rotates on the lock housing that is arranged on the linkage portion outside, and the struck side on the plectrum be located in the described breach, the rotation of plectrum can make the struck side drive linkage portion, connecting portion and oblique tongue and move horizontally together, the structure of this oblique tongue setting is a routine techniques, the purpose that adopts oblique tongue for reach need not key also can be with the function on the door lock, the setting of this oblique tongue also has can be with the function of oblique tongue bevel direction conversion.
The above-mentioned resetting structure that oblique tongue and connecting portion are resetted is: also be fixed with a baffle plate that supplies connecting portion to pass in the lock housing, this baffle plate is arranged in the breach of linkage portion, on between baffle plate and the linkage portion antetheca, be arranged with spring, one end of this spring is resisted against on the baffle plate, the other end is resisted against on the rear end face of connecting portion, on the connecting portion that passes the linkage portion rear end, be arranged with spring, one end of this spring is on the rear end face of linkage portion, the other end is resisted against on the baffle ring that is fixed on the connecting portion rear end, this resetting structure has simple in structure, the advantage of assembling also can adopt the existing structure that has the lock of oblique tongue certainly easily.
Improve further, in order to make this lockset the escaping function of cocking off is arranged, above-mentioned described adding between rectangular tongue and the oblique tongue, be provided with interlinked mechanism.This above-mentioned 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, secondary drives the struck side and the linkage portion front end of bar can stir cooperation, its another struck side then with shift fork on the clicking section stir cooperation, be rotated further under the shift fork state under the state in adding rectangular tongue indentation lock housing, corresponding struck side is around its articulated section reach on the clicking section promotion secondary drive bar on it, simultaneously secondary drives another struck side of bar and moves behind its articulated section, and before linkage portion end in contact and promoting in oblique tongue and the connecting portion indentation lock housing; Drive the effect of bar like this by this secondary, can reach and take a step (knob in the rotating room), knob drives shift fork and rotates, clicking section on the shift fork is moved behind drive side's tongue drawing plate earlier, in the side's of making tongue indentation lock housing, further driving shift fork again rotates, the clicking section promotes secondary and drives the bar rotation, promotes linkage portion and retreat under the effect of secondary drive bar, and then make in the also indentation lock housing of oblique tongue, just can when adding rectangular tongue, unlatching also open oblique tongue, thereby rapidly door is opened, the people in the room was run out of in the room in the very short time, escape disaster, with existing phase-locked ratio with the escaping function that cocks off, this interlinked mechanism has simple in structure in addition.
Compared with prior art, the invention has the advantages that: have under the mating reaction of slurcam by first side on it and second side and first limited post and second limited post to rely on the trend that shift fork moves gradually, and then make shift fork in the process of rotating a circle, clicking section on it contacts the time lengthening that promotes with slurcam, therefore it rotates to play in the process of circle at shift fork and releases fully outside the lock housing adding rectangular tongue, has strengthened the lock level of this lock; And adopt slurcam to promote to add rectangular tongue, and because slurcam and to add the contact surface of rectangular tongue bigger can more stably promote to add rectangular tongue and stretch out the lock housing sidewall, the therefore side's of having tonguing advantage stably; There are these parts that relate to neither be a lot of again, the assembling location of a plurality of pillars is arranged again, so this lock assemble up also fairly simple convenience.
Description of drawings
Fig. 1 is the structure broken away view of the embodiment of the invention;
Fig. 2 is the stereogram (square tongue is fully retracted the state in the lock housing) of the embodiment of the invention;
Fig. 3 is the vertical view (square tongue is fully retracted the state in the lock housing) of the embodiment of the invention;
Fig. 4 removes stereogram (square tongue is fully retracted the state in the lock housing) behind shift fork and the key for the embodiment of the invention;
Fig. 5 removes stereogram (square tongue is fully retracted the state in the lock housing) after shift fork, key and secondary drive bar for the embodiment of the invention;
Fig. 6 removes stereogram (square tongue is fully retracted the state in the lock housing) after shift fork, key, secondary drive bar, square tongue and square tongue drawing plate for the embodiment of the invention;
Fig. 7 removes stereogram (square tongue is fully retracted the state in the lock housing) after shift fork, key, secondary drive bar, square tongue, square tongue drawing plate, slurcam for the embodiment of the invention;
Fig. 8 is the stereogram (state in the square tongue portion indentation lock housing) of the embodiment of the invention;
Fig. 9 is the vertical view (state in the square tongue portion indentation lock housing) of the embodiment of the invention;
Figure 10 is the stereogram (square tongue stretches out the state in the lock housing fully) of the embodiment of the invention;
Figure 11 is the vertical view (square tongue stretches out the state in the lock housing fully) of the embodiment of the invention;
Figure 12 is the stereogram (square tongue and oblique tongue are fully retracted the state in the lock housing simultaneously) of the embodiment of the invention;
Figure 13 is the vertical view (square tongue and oblique tongue are fully retracted the state in the lock housing simultaneously) of the embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～13, a kind of door lock with elongated spring bolt, include lock housing 1, activity be located on lock housing 1 antetheca and its afterbody side of having tongue drawing plate 21 add rectangular tongue 2, reach a rotation and be arranged on the shift fork 4 that also passes through the driving of key 9 or knob in the lock housing 1, wherein lock housing 1 is by base be threaded in that loam cake on the base (loam cake does not show in the drawings) forms, shift fork 4 is provided with the clicking section 41 to outer lug, shift fork 4 can be fast by one and will be added promotion assembly and the square tongue drawing plate 21 that rectangular tongue 2 releases lock housings 1 antetheca fully and be associated, but the end in lock housing 1 is equipped with the knob that shift fork 4 rotates, but the other end of lock housing 1 is equipped with the lock that shift fork 4 rotates, this lock needs key 9 to drive this knob, the structure that is provided with between lock and the shift fork 4 is a prior art;
Described promotion assembly includes: location-plate 5, can promote to add the slurcam 6 of rectangular tongue 2 reaches, the structure that slurcam 6 promotes to add rectangular tongue 2 reaches is: have a rear end face to lower convexity adding rectangular tongue 2 rear end lower, described slurcam 6 front end faces all the time and the rear end face that adds rectangular tongue 2 fit;
Described location-plate 5 makes it can only do that the position limiting structure vertically move is spacing presses close to place, lock housing 1 bottom surface along lock housing 1 bottom surface in lock housing 1 by one, also is provided with one and can makes location-plate 5 vertically be reset to the resetting structure of original state in lock housing 1; The position limiting structure that wherein makes location-plate 5 do along lock housing 1 bottom surface to vertically move is: have an elongated groove 51 that vertically is provided with on location-plate 5 rear ends, on lock housing 1 bottom surface, be provided with one raise up and and the projection that matches of described groove 51, but this projection stretches in the groove 51 and opposed slot 51 straight skiddings; The resetting structure that can make location-plate 5 vertically be reset to original state is: be provided with the erection column 15 that raises up on lock housing 1 bottom surface, be arranged with a torsion spring 7 on this erection column 15, one end of this torsion spring 7 is resisted against the side of location-plate 5, the other end is resisted against the rear end of lock housing 1, and this torsion spring 7 applies the power of the side's of relying on tongue drawing plate 21 trend for location-plate 5; The position limiting structure that makes location-plate 5 do along lock housing 1 bottom surface to vertically move is: the elongated slotted eye 53 that has a vertical setting and match with erection column 15 on location-plate 5 rear ends, this erection column 15 is located in this slotted eye 53 and these slotted eye 53 slippages relatively, and described torsion spring 7 is set in erection column 15 and passes on the part of slotted eye 53.
Described slurcam 6 is arranged on above the location-plate 5, the rear end of slurcam 6 has and extends back, the pushing part 61 of clicking section 41 interoperations on energy and the shift fork 4, first side 62 on the left side of slurcam 6 and second side 63 on the right are the consistent inclined plane shape of incline direction, the corresponding position is provided with first limited post 11 and second limited post 12 that first side 62 and second side 63 with slurcam 6 match in lock housing 1, in the process of slurcam 6 reaches, slurcam 6 has under first limited post 11 and the effect of first side 62 and relies on the trend that shift fork 4 moves gradually, in the process that slurcam 6 retreats, slurcam 6 has the trend that moves away from shift fork 4 gradually under second limited post 12 and 63 effects of second side;
Described side's tongue drawing plate 21 can only be installed in the lock housing 1 along the position limiting structure that lock housing 1 laterally moves by the side's of making tongue drawing plate 21 by one, and square tongue drawing plate 21 is arranged on the top of slurcam 6, side's tongue drawing plate 21 has one near shift fork 4 those ends can make on the shift fork 4 clicking section 41 breach 211 of the side's of stirring tongue drawing plate 21 backward, have between square tongue drawing plate 21 and the location-plate 5 one can the side's of making tongue stretching out or indentation lock housing 1 internal state under blocked location structure; Wherein can only the side's of making tongue drawing plate 21 be: on square tongue drawing plate 21, vertically have an elongated stopper slot 212 along the position limiting structure that lock housing 1 laterally moves, location-plate 5 front ends vertically have an elongated guiding slotted eye 52, be provided with one raises up and simultaneously and the 3rd limited post 14 that matches of described stopper slot 212 and the slotted eye 52 that leads in the bottom surface of lock housing 1, but the 3rd limited post 14 extend in the stopper slot 212 and relative limit groove 212 straight skiddings after passing guiding slotted eye 52, and the position-limiting action to location-plate 5 is also played in the mating reaction of the slotted eye 52 that vertically is provided with on the 3rd limited post 14 and the location-plate 5; Location structure between side's tongue drawing plate 21 and the location-plate 5 is, on location-plate 5, has a upwardly extending location division 54, have two and location division 54 at interval in described side's tongue drawing plate 21 1 sides and carry out the breach 213,214 that selection card is joined, be fully retracted under the state in the lock housing 1 adding rectangular tongue 2, in the breach 213 in 54 side's of being fastened on tongue drawing plates, 21 the place aheads, described location division, stretch out fully under the state outside the lock housing 1, in the breach 214 at 54 side's of being fastened on tongue drawing plates, 21 rears, described location division adding rectangular tongue 2.
The related door lock of this embodiment also include an activity be located on lock housing 1 antetheca and its afterbody have bar-shaped connecting portion 81 oblique tongue 8, and one rotate the plectrum 82 be arranged in the lock housing 1, be provided with a linkage portion 83 that is the U type at connecting portion 81 middle parts; Described plectrum 82 resets by the leaf spring 9 that is arranged in the lock housing 1, and connecting portion 81 is located on the linkage portion 83, also has a resetting structure that oblique tongue 8 and connecting portion 81 are resetted between connecting portion 81 and linkage portion 83; Also has a breach 831 on the linkage portion 83, described plectrum 82 rotates and is arranged on the lock housing 1 in linkage portion 83 outsides, and the struck side on the plectrum 82 821 be located in the described breach 831, and the rotation of plectrum 82 can make struck side 821 drive linkage portion 83, connecting portion 81 and oblique tongue and move horizontally together;
The above-mentioned resetting structure that oblique tongue 8 and connecting portion 81 are resetted is: also be fixed with a baffle plate 84 that supplies connecting portion 81 to pass in the lock housing 1, this baffle plate 84 is arranged in the breach 831 of linkage portion 83, on between baffle plate 84 and linkage portion 83 antethecas, be arranged with spring 85, one end of this spring 85 is resisted against on the baffle plate 84, the other end is resisted against on the rear end face of connecting portion 81, on the connecting portion 81 that passes linkage portion 83 rear ends, be arranged with spring 86, one end of this spring 86 is on the rear end face of linkage portion 83, and the other end is resisted against on the baffle ring 811 that is fixed on connecting portion 81 rear ends.
In order to make this lockset that the escaping function of cocking off be arranged, we are adding rectangular tongue 2 and tiltedly are being provided with interlinked mechanism between the tongue 8.This interlinked mechanism includes secondary and drives bar 3, has an articulated section that raises up 33 at square tongue drawing plate 21 upper surfaces, the middle part that described secondary drives bar 3 is movably articulated on the articulated section 33 of this side's tongue drawing plate 21, secondary drives the struck side 31 and linkage portion 83 front ends of bar 3 can stir cooperation, cooperation is stirred in clicking section 41 on 32 of its another struck sides and the shift fork 4, in the time of in adding rectangular tongue 2 indentation lock housings 1, be rotated further under the state of shift fork 4, corresponding struck side 32 is around its articulated section 33 reaches on the clicking section 41 promotion secondaries drive bars 3 on it, simultaneously secondary drives bar 3 another struck sides 31 and moves behind its articulated section 33, and before linkage portion 83 end in contact and driving in oblique tongue 8 and the connecting portion 81 indentation lock housings 1.
Described vertically being meant and lock housing 1 front side wall vertical direction, horizontal direction at finger and lock housing 1 front side wall almost parallel.
The operating principle of the embodiment of the invention and process are such:
Shown in Fig. 1～7, when locking a door, tiltedly on tongue 8 automatic lockings, turn key 9 or knob, driving shift fork 4 rotates, the rear portion of the sidewall of location-plate 5 is touched in clicking section 41 on the shift fork 4, it promotes the translation that makes progress of torsion that location-plate 5 overcomes torsion spring 7, the card of location division 54 disengaging side's tongue drawing plates, the 21 the place ahead breach 213 on the location-plate 5 is established, shift fork 4 is rotated further, contact with pushing part 61 on the slurcam 6 until the clicking section on the shift fork 4 41, and promote this pushing part 61 forward, slurcam 6 laterally reach under pushing part 61 drives, simultaneously, slurcam 6 drive side's tongues, secondary on side's tongue drawing plate 21 and the side's of the being movably articulated in tongue drawing plate 21 drives bar 3 and moves forward together, shown in Fig. 8～9, side's tongue finally stretches out lock housing 1 front side wall, and slurcam 6 limited post 11 and 62 effects of an one prism therein have down and rely on the trend that shift fork 4 moves gradually, and then make shift fork 4 in the process of rotating a circle, clicking section 41 on it contacts the time lengthening that promotes with slurcam 6, it is longer to make elongated spring bolt stretch out the part of lock housing 1, strengthened the lock level of this lock, the translation downwards under the return action of torsion spring 7 torsion of location-plate 5 this moment, make in the breach 214 at 54 side's of snapping in tongue drawing plates, 21 rears, location division on the location-plate 5 and card is established, thereby finished locking work;
Shown in Figure 10～13, when unblanking, reverse turn key 9 or knob, driving shift fork 4 rotates, the front end of the sidewall of location-plate 5 is touched in clicking section 41 on the shift fork 4, it promotes the translation that makes progress of torsion that location-plate 5 overcomes torsion spring 7, the card of location division 54 disengaging side's tongue drawing plates, the 21 rear breach 214 on the location-plate 5 is established, shift fork 4 is rotated further, the rear end face of the breach 211 on the clicking section on the shift fork 4 41 and square tongue drawing plate 21 contacts, and the side's of promotion tongue drawing plate 21 and slurcam 6 backward, simultaneously, secondary drive bar 3 on side's tongue drawing plate 21 side's of driveing tongues and the side's of the being movably articulated in tongue drawing plate 21 moves after together, in the final indentation lock housing 1 of side's tongue, in the process that slurcam 6 retreats, slurcam 6 has the trend that moves away from shift fork 4 gradually under another limited post 12 and 63 effects of another prism, the translation downwards under the return action of torsion spring 7 torsion of location-plate 5 this moment, make in the breach 213 in 54 side's of snapping in tongue drawing plates, 21 the place aheads, location division on the location-plate 5 and card is established, further reverse turn key 9 or knob, because secondary drives the position that bar 3 returns to unlocking condition, turning to the clicking section 41 that makes on it when shift fork 4 contacts with the struck side 32 that secondary drives on the bar 3, make secondary drive on the bar 3 corresponding struck side 32 around its articulated section 33 reaches, the bar of secondary drive simultaneously 3 another struck sides 31 are moved behind its articulated section 33, and before linkage portion 83 end in contact and promoting in oblique tongue 8 and the connecting portion 81 indentation lock housings 1, thereby finished the process of unblanking;
Shown in Figure 12～13, drive the effect of bar 3 by this secondary, can reach and take a step (knob in the rotating room), knob drives shift fork 4 and rotates, clicking section 41 on the shift fork 4 is moved behind drive side's tongue drawing plate 21 earlier, in the side's of making tongue indentation lock housing 1, further drive shift fork 4 again and rotate, clicking section 41 promotes secondary and drives bar 3 rotations, promotes linkage portion 83 and retreat under the effect of secondary drive bar 3, and then make in the oblique tongue 8 also indentation lock housings 1, just can be when unlatching adds rectangular tongue 2 also oblique tongue 8 be opened, be need not again door to be opened, thereby rapidly door is opened with key 9, people in the room was run out of in the room in the very short time, escape disaster.
Claims (10)
1. door lock with elongated spring bolt, include lock housing (1), activity is located on lock housing (1) antetheca and the adding rectangular tongue (2), and one rotate the shift fork (4) be arranged in the lock housing (1) and drive by key or knob of its afterbody side of having tongue drawing plate (21), shift fork (4) is provided with the clicking section (41) to outer lug, and shift fork (4) can be fast by one and will be added rectangular tongue (2) fully and release the promotion assembly and the square tongue drawing plate (21) of lock housing (1) antetheca and be associated; It is characterized in that described promotion assembly includes: location-plate (5), can promote to add the slurcam (6) of rectangular tongue (2) reach;
Described location-plate (5) makes it can only do that the position limiting structure vertically move is spacing presses close to place, lock housing (1) bottom surface along lock housing (1) bottom surface in lock housing (1) by one;
Described slurcam (6) is arranged on above the location-plate (5), the rear end of slurcam (6) has and extends back, the pushing part (61) of clicking section (41) interoperation on energy and the shift fork (4), first side (62) on the left side of slurcam (6) and second side (63) on the right are the consistent inclined plane shape of incline direction, the corresponding position is provided with and first side (62) of slurcam (6) and first limited post (11) and second limited post (12) that second side (63) match in lock housing (1), in the process of slurcam (6) reach, slurcam (6) has down in first limited post (11) and first side (62) effect and relies on the mobile trend of shift fork (4) gradually, in the process that slurcam (6) retreats, slurcam (6) has the trend that moves away from shift fork (4) gradually under second limited post (12) and second prism (63) effect;
Described side's tongue drawing plate (21) is installed in the lock housing (1), and square tongue drawing plate (21) is arranged on the top of slurcam (6), and square tongue drawing plate (21) has one near that end of shift fork (4) can make shift fork (4) go up clicking section (41) breach (211) of the side's of stirring tongue drawing plate (21) backward.
2. the door lock with elongated spring bolt according to claim 1, it is characterized in that the structure that described slurcam (6) promotes to add rectangular tongue (2) reach is: described rectangular tongue (2) rear end lower that adds has a rear end face to lower convexity (22), described slurcam (6) front end face all the time and the rear end face that adds rectangular tongue (2) fit.
3. the door lock with elongated spring bolt according to claim 1, it is characterized in that: the position limiting structure that makes location-plate (5) do along lock housing (1) bottom surface to vertically move is: have an elongated groove (51) that vertically is provided with on location-plate (5) rear end, on lock housing (1) bottom surface, be provided with one raise up and and the projection (13) that matches of described groove (51), this projection (13) stretch into groove (51) but in and opposed slot (51) straight skidding.
4. the door lock with elongated spring bolt according to claim 1, it is characterized in that described side's tongue drawing plate (21) can only be installed in the lock housing (1) along the position limiting structure that lock housing (1) laterally moves by the side's of making tongue drawing plate (21) by one, this position limiting structure is: vertically have an elongated stopper slot (212) on square tongue drawing plate (21), location-plate (5) front end vertically has an elongated guiding slotted eye (52), be provided with one in the bottom surface of lock housing (1) and raise up and simultaneously and the 3rd limited post (14) that matches of described stopper slot (212) and guiding slotted eye (52), the 3rd limited post (14) pass extend into stopper slot (212) behind the guiding slotted eye (52) but in relative limit groove (212) straight skidding also.
5. the door lock with elongated spring bolt according to claim 1, it is characterized in that: in lock housing (1), also be provided with one and can make location-plate (5) vertically be reset to the resetting structure of original state, this resetting structure is: be provided with the erection column (15) that raises up on lock housing (1) bottom surface, be arranged with a torsion spring (7) on this erection column (15), one end of this torsion spring (7) is resisted against the side of location-plate (5), and the other end is resisted against the rear end of lock housing (1).
6. the door lock with elongated spring bolt according to claim 5, it is characterized in that having on described location-plate (5) rear end one vertically be provided with and and the elongated slotted eye (53) that matches of erection column (15), this erection column (15) is located in this slotted eye (53) and this slotted eye (53) slippage relatively, and described torsion spring (7) is set in erection column (15) and passes on the part of slotted eye (53).
7. the door lock with elongated spring bolt according to claim 1, it is characterized in that: have between square tongue drawing plate (21) and the location-plate (5) one can make add that rectangular tongue (2) is stretching out or indentation lock housing (1) internal state under blocked location structure, this location structure is: have a upwardly extending location division (54) on location-plate (5), have two and location division (54) at interval in described side's tongue drawing plate (21) one sides and carry out the breach (213 that selection card is joined, 214), be fully retracted under the state in the lock housing (1) adding rectangular tongue (2), in the breach (213) in described location division (54) side's of being fastened on tongue drawing plate (21) the place ahead, stretch out fully under the state outside the lock housing (1), in the breach (214) at described location division (54) side's of being fastened on tongue drawing plates (21) rear adding rectangular tongue (1).
8. according to the described door lock of arbitrary claim in the claim 1～7 with elongated spring bolt, it is characterized in that this door lock also include an activity be located on lock housing (1) antetheca and its afterbody have bar-shaped connecting portion (81) oblique tongue (8), and one rotate the plectrum (82) be arranged in the lock housing (1), described plectrum (82) resets by the leaf spring (87) that is arranged in the lock housing (1), is provided with a linkage portion (83) that is the U type at connecting portion (81) middle part; Connecting portion (81) is located on the linkage portion (83), also has a resetting structure that oblique tongue (8) and connecting portion (81) are resetted between connecting portion (81) and linkage portion (83); Also has a breach (831) on the linkage portion (83), described plectrum (82) rotates on the lock housing (1) that is arranged on linkage portion (83) outside, and the struck side (821) on the plectrum (82) be located in the described breach (831), and the rotation of plectrum (82) can make struck side (821) drive linkage portion (83), connecting portion (81) and oblique tongue (8) and move horizontally together.
9. the door lock with elongated spring bolt according to claim 7, it is characterized in that the described resetting structure that oblique tongue (8) and connecting portion (81) are resetted is: also be fixed with a baffle plate (84) that supplies connecting portion (81) to pass in the lock housing (1), this baffle plate (84) is arranged in the breach (831) of linkage portion (83), on between baffle plate (84) and linkage portion (83) antetheca, be arranged with spring (85), one end of this spring (85) is resisted against on the baffle plate (84), the other end is resisted against on the rear end face of connecting portion (81), on the connecting portion (81) that passes linkage portion (83) rear end, be arranged with spring (86), one end of this spring (86) is on the rear end face of linkage portion (83), and the other end is resisted against on the baffle ring (811) that is fixed on connecting portion (81) rear end.
10. the door lock with elongated spring bolt according to claim 7, it is characterized in that described adding between rectangular tongue (2) and the oblique tongue (8) is provided with interlinked mechanism, this interlinked mechanism includes secondary and drives bar (3), this secondary drives on the side of being movably articulated in, the middle part tongue drawing plate (21) of bar (3), secondary drives a struck side (31) and linkage portion (83) front end of bar (3) can stir cooperation, its another struck side (32) then and the clicking section (821) on the plectrum (82) stir cooperation, be rotated further under the state in adding rectangular tongue (2) indentation lock housing (1) under shift fork (4) state, clicking section on it (41) promotes secondary drive bar (3) and upward moves forward around its articulated section (33) corresponding struck side (32), secondary drive another struck side of bar (3) (31) is moved after its articulated section (33) simultaneously, and promotes in oblique tongue (8) and connecting portion (81) the indentation lock housing (1) in the preceding end in contact of linkage portion (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100508207A CN100410483C (en) | 2006-05-19 | 2006-05-19 | Door lock with elongated spring bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100508207A CN100410483C (en) | 2006-05-19 | 2006-05-19 | Door lock with elongated spring bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1851216A CN1851216A (en) | 2006-10-25 |
| CN100410483C true CN100410483C (en) | 2008-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100508207A Active CN100410483C (en) | 2006-05-19 | 2006-05-19 | Door lock with elongated spring bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100410483C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI673746B (en) * | 2018-05-18 | 2019-10-01 | 沅聖科技股份有限公司 | Waterproof fastening structure using in housing and doorbell using the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867028B (en) * | 2014-03-17 | 2017-02-15 | 苏州万盛亿五金锁具有限公司 | Lock |
| CN108505844B (en) * | 2018-04-23 | 2023-10-17 | 温州市庆泰恒装饰五金有限公司 | Anti-lock door lock |
| CN109653595B (en) * | 2019-01-23 | 2024-03-15 | 温州市天宇航晨五金有限公司 | Lock mechanism capable of reversing left and right |
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| US4895404A (en) * | 1988-12-20 | 1990-01-23 | Ilco Unican Inc. | Door latch having an adjustable backset distance |
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| EP0848125A1 (en) * | 1996-12-13 | 1998-06-17 | European Lock Co. Ltd. | Improvements in locks |
| CN2658317Y (en) * | 2003-08-13 | 2004-11-24 | 梁富坚 | Bolt inserted door lock with escape function when fire |
| CN2926420Y (en) * | 2006-05-19 | 2007-07-25 | 彭日临 | Door lock with lengthened spring bolt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4895404A (en) * | 1988-12-20 | 1990-01-23 | Ilco Unican Inc. | Door latch having an adjustable backset distance |
| GB2279988A (en) * | 1993-07-16 | 1995-01-18 | Heywood Williams Ltd | Securement of closures |
| CN2182840Y (en) * | 1993-12-30 | 1994-11-16 | 孔祥海 | Multi-function theft-proof ball shaped door lock |
| EP0848125A1 (en) * | 1996-12-13 | 1998-06-17 | European Lock Co. Ltd. | Improvements in locks |
| CN2658317Y (en) * | 2003-08-13 | 2004-11-24 | 梁富坚 | Bolt inserted door lock with escape function when fire |
| CN2926420Y (en) * | 2006-05-19 | 2007-07-25 | 彭日临 | Door lock with lengthened spring bolt |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI673746B (en) * | 2018-05-18 | 2019-10-01 | 沅聖科技股份有限公司 | Waterproof fastening structure using in housing and doorbell using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1851216A (en) | 2006-10-25 |
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Inventor after: Peng Rilin Inventor before: Liu Hong |
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Effective date of registration: 20170321 Address after: Jiaxing City, Zhejiang province 314300 Haiyan County Xitang Town Industrial Zone Yuantong salt Jiagong Road No. 888 Patentee after: Jiaxing Meiketai Technology Co., Ltd. Address before: 315032 Zhejiang city of Ningbo province after Zhuang Qiao Jiang Cun Ningbo meiketai Lock Industry Co Ltd Patentee before: Peng Rilin |
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