CN203978080U - A kind of locomotive emergency safety door lock - Google Patents
A kind of locomotive emergency safety door lock Download PDFInfo
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- CN203978080U CN203978080U CN201420395521.7U CN201420395521U CN203978080U CN 203978080 U CN203978080 U CN 203978080U CN 201420395521 U CN201420395521 U CN 201420395521U CN 203978080 U CN203978080 U CN 203978080U
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Abstract
The utility model discloses a kind of locomotive emergency safety door lock, comprise depression bar lock, handle lock and be slidably connected at the dead bolt on described handle lock, described locomotive emergency safety door lock also comprises linkage one and linkage two, one end of described linkage one and linkage two is respectively with described handle lock with depression bar is phase-locked is connected, other one end of described linkage one and linkage two all contacts with described dead bolt, and described handle lock and depression bar lock can be respectively carrys out dead bolt retraction described in single movement control by described linkage one and linkage two unblanks.The utility model flexible movements, reliable and stable, the high and long service life of simple, easy to maintenance, simple operation, safety factor is installed.
Description
Technical field
The utility model relates to a kind of emergency safety door lock, relates in particular to a kind of locomotive emergency safety door lock, belongs to a kind of component of locomotive, can use for the corridor door of locomotive.
Background technology
In locomotive design requires, need to consider that driver and conductor is in the time coming in and going out between drivers' cab and machinery, the problem of how convenient, flexible, quick, safe unlatching, corridor door between closing between drivers' cab and machinery, especially occurring in emergency circumstances, convenient, flexible, quick, these features of safety seem even more important, are generally that corridor door lock is installed on the door of corridor.At present the door lock of locomotive corridor door use has two kinds of built-in and externals, can supply driver and conductor's open and close door.No matter driver and conductor is between drivers' cab or machinery, can conveniently pass in and out.But these two kinds of door locks all adopt the mode of singlehanded opening car door, have unsafe factor.
Notice of authorization number is CN201144569Y, notice of authorization day is that the Chinese utility model patent on November 5th, 2008 discloses a kind of locomotive emergent door lock, it forms with rear wall lock by unblanking soon, between two locks, connects with connecting rod, and described door lock is arranged on rear wall door isolated between drivers' cab and machinery.
Locomotive emergent door lock in above-mentioned patent documentation is also the one that belongs to locomotive emergency safety door lock, when but the locomotive emergent door lock in above-mentioned patent documentation opens the door, no matter operate and unblank soon or rear wall lock, its relative another one latch fitting all can follow by action accordingly, when entering between machinery from drivers' cab, while pressing down the action bars of unblanking soon, it also can correspondingly rotate relative to the handle that the rear wall of one side is locked in addition; When entering drivers' cab between machinery, while rotating the handle of rear wall lock, action bars of unblanking soon of its relatively other one side also can correspondingly move down; Like this, will there is following problem:
(1), in the time there is locomotive fortuitous event, if when the handle of rear wall lock blocks akinesia, so, the action bars of unblanking soon of one side also just can not pressing action relatively in addition, conversely, if the action bars of unblanking is soon stuck, corresponding after the handle of wall lock also can akinesia, like this, rear wall door just cannot be opened, thereby has had a strong impact on driver and conductor's normal work, under emergency, serious threat is to driver and conductor's personal safety, and the safety factor of latch fitting is low;
(2), the handle of rear wall lock and the action bars of unblanking be soon corresponding actions, so, the strength needing while at every turn operating one of them latch fitting will be very large, like this, operates very inconvenient;
(3), the handle of rear wall lock and the action bars of unblanking be soon corresponding actions, can make so the corresponding increase of friction between latch fitting parts, thereby cause reduce the application life of latch fitting;
To sum up, how to design a kind of locomotive emergency safety door lock, its flexible movements, simple operation, safety factor are high, long service life is urgent problem.
Utility model content
Technical problem to be solved in the utility model is for the defect existing in prior art, and a kind of locomotive emergency safety door lock is provided, its flexible movements, reliable and stable, the high and long service life of simple, easy to maintenance, simple operation, safety factor is installed.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of locomotive emergency safety door lock, comprise depression bar lock, handle lock and be slidably connected at the dead bolt on described handle lock, described locomotive emergency safety door lock also comprises linkage one and linkage two, one end of described linkage one and linkage two is respectively with described handle lock with depression bar is phase-locked is connected, other one end of described linkage one and linkage two all contacts with described dead bolt, described handle lock and depression bar lock can be respectively carrys out dead bolt retraction described in single movement control by described linkage one and linkage two unblanks.
Preferably, described dead bolt comprises dead bolt body, has groove one and groove two on the relative both sides of described dead bolt body; Described linkage one comprises connecting rod one and is arranged on the spill spin block one on one end of described connecting rod one, other one end of described connecting rod one is connected with handle lock, described linkage two comprises connecting rod two and is arranged on the spill spin block two on one end of described connecting rod two, other one end of described connecting rod two and the phase-locked connection of depression bar, described spill spin block one and spill spin block two contact with the groove one of described dead bolt body and the groove side that is positioned at homonymy of groove two respectively.
Preferably, described handle lock comprises lock box, handgrip, stage clip and guide groove body, and one end of described handgrip is passed the bottom of described lock box and is rotationally connected with the bottom of described lock box; The spill spin block one of described linkage one comprises spill spin block body one and is arranged on the revolving fragment one on the sidepiece of described spill spin block body one, one end of described connecting rod one is connected with the end of spill spin block body one, and its other one end is connected with one end of the described handgrip through lock box bottom; The groove side of one side of the groove one of described revolving fragment one and dead bolt body contacts;
Described guide groove body is arranged on the inner bottom part of described lock box, described dead bolt body is arranged in described guide groove body and can slidably reciprocates through a side of described lock box along described guide groove body, on the inside portion of the other side of described lock box, be provided with stage clip joint pin, on the end face of one end of described dead bolt body, have the blind hole matching with described stage clip, one end of described stage clip is socketed on the periphery of described stage clip joint pin, insert in the blind hole of one end end face of described dead bolt body its other one end, thereby one end of described dead bolt is connected together by the inside portion of stage clip and described lock box one side.
Preferably, on the dual-side of described guide groove body, have stopper slot, be provided with the spacing block set matching with described stopper slot in the two sides of described dead bolt body, spacing in the glide direction when contacting to realize described dead bolt body and slidably reciprocate by two groove sides of described spacing block set and stopper slot in guide groove body.
Preferably, described depression bar lock comprises left depression bar lock box, right depression bar lock box, left-hand rotation swing arm, right-hand rotation swing arm and depression bar, described left depression bar lock box comprises left depression bar lock box body and is arranged on the left support seat on the outer bottom of described left depression bar lock box body, described right depression bar lock box comprises right depression bar lock box body, right depression bar lock box cover, be arranged on the right support seat on the outer bottom of described right depression bar lock box body, plectrum, lock core composition and lock core connecting rod, on the bottom surface of described left depression bar lock box and right depression bar lock box, all have depression bar lock box through hole, the middle part of described left-hand rotation swing arm and right-hand rotation swing arm is rotationally connected with left support seat and right support seat respectively, the depression bar lock box through hole of described left depression bar lock box and right depression bar lock box is passed respectively in one end of described left-hand rotation swing arm and right-hand rotation swing arm, other one end of described left-hand rotation swing arm and right-hand rotation swing arm couples together by described depression bar, on the inner bottom surface of described left depression bar lock box and right depression bar lock box, be provided with extension spring joint pin, all couple together by extension spring and described extension spring joint pin through the described left-hand rotation swing arm of depression bar lock box through hole and one end of right-hand rotation swing arm of described left depression bar lock box and right depression bar lock box, on the inner bottom surface of described right depression bar lock box, be also provided with fixed axis, the middle part of described plectrum is passed described fixed axis and is rotationally connected with described fixed axis, one end of described plectrum and contacting through the right-hand rotation swing arm of the depression bar lock box through hole of described right depression bar lock box, one end of its other one end and described lock core connecting rod is hinged, described lock core composition is rotatably connected between described right depression bar lock box body and right depression bar lock box cover, and the sidepiece of described lock core composition and other one end of described lock core connecting rod hinged, described spill spin block two comprises spill spin block body two and is arranged on the revolving fragment two on the sidepiece of described spill spin block body two, and one end of described connecting rod two is connected with the end of spill spin block body two, and its other one end is connected with the end that described lock core forms, the groove side of one side of the revolving fragment two of described spill spin block two and the groove two of dead bolt body contacts.
Preferably, between described left-hand rotation swing arm and depression bar and between described right-hand rotation swing arm and depression bar, be provided with connection of rotating arm, described in one of them, one end of connection of rotating arm is connected on described depression bar, and its other one end is connected on described left-hand rotation swing arm; Described in another one, one end of connection of rotating arm is connected on described depression bar, and its other one end is connected on described right-hand rotation swing arm.
The beneficial effects of the utility model are: pass through structure design, handle lock in the utility model and depression bar lock can be respectively carrys out dead bolt retraction described in single movement control by linkage one and linkage two unblanks, make when locomotive something unexpected happened, when one of them lock body is stuck, another one lock body also can, very rapidly by door-lock opening, improve the safety factor of latch fitting greatly; Described handle lock and depression bar lock are to separate single movement, in the time of one of them latch fitting of operation, another one latch fitting does not need action, operates so very convenient, time saving and energy saving, also the unnecessary wearing and tearing of latch fitting have been avoided, the application life of having improved latch fitting simultaneously; In addition, the utility model flexible movements, reliable and stable, install simple, easy to maintenance.
Brief description of the drawings
Fig. 1 is the plan structure schematic diagram of the utility model embodiment;
Fig. 2 is handle lock while trivial tongue not being installed in the utility model embodiment and the perspective view of linkage one;
Fig. 3 is the perspective view of handgrip and linkage one in the utility model embodiment;
Fig. 4 is the perspective view of dead bolt in the utility model embodiment;
Fig. 5 is handle lock while trivial tongue being installed in the utility model embodiment and the perspective view of linkage one;
Fig. 6 is the sectional perspective structural representation at handle lock place in the utility model embodiment;
Fig. 7 is the perspective view of depression bar lock and linkage two in the utility model embodiment;
Fig. 8 is the sectional perspective structural representation at the left depression bar lock box place of depression bar lock in the utility model embodiment;
Fig. 9 is the sectional perspective structural representation at the right depression bar lock box place of depression bar lock in the utility model embodiment;
Figure 10 is the sectional perspective structural representation one that removes the right depression bar lock box place after right depression bar lock box cover in the utility model embodiment;
Figure 11 is the sectional perspective structural representation two that removes the right depression bar lock box place after right depression bar lock box cover in the utility model embodiment;
Figure 12 is the perspective view of the lock core composition in the utility model embodiment;
Figure 13 is the perspective view of the utility model embodiment;
In figure: 1. depression bar lock, 11. left depression bar lock boxes, 111. left depression bar lock box bodies, 112. left support seats, 12. right depression bar lock boxes, 121. right depression bar lock box bodies, 122. right depression bar lock box covers, 123. right support seats, 124. plectrum, 1241. plectrum body, 1242. fork sheets one, 1243. plectrum piece, 125. lock core compositions, 1251. plug body, 1252. fork sheets two, 1253. lock core axial boss, 126. lock core connecting rod, 127. fixed axis, 13. left-hand rotation swing arms, 14. right-hand rotation swing arms, 15. depression bars, 2. handle lock, 21. lock boxes, 22. handgrips, 221. handle, 222. handgrip boss, 2221. axially protuberance, 223. square hole, 23. stage clips, 24. guide groove bodies, 241. stopper slot, 25. stage clip joint pins, 3. dead bolt, 31. dead bolt bodies, 32. grooves one, 33. grooves two, 34. blind holes, 35. spacing block sets, 4. linkage one, 41. connecting rods one, 42. spill spin blocks one, 421. spill spin block bodies one, 422. revolving fragments one, 5. linkage two, 51. connecting rods two, 52. spill spin blocks two, 521. spill spin block bodies two, 522. revolving fragments two, 6. rear wall door, 7. depression bar lock box through hole, 8. extension spring joint pin, 9. extension spring, 10. connection of rotating arm, 16. screws.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is done to further detailed elaboration.
Embodiment: as shown in Figure 1, a kind of locomotive emergency safety door lock, comprise depression bar lock 1, handle lock 2 and be slidably connected at the dead bolt 3 on described handle lock 2, described locomotive emergency safety door lock also comprises linkage 1 and linkage 25, one end of described linkage 1 and linkage 25 is connected with depression bar lock 1 with described handle lock 2 respectively, other one end of described linkage 1 and linkage 25 all contacts with described dead bolt 3, described handle lock 2 and depression bar lock 1 can be respectively carrys out dead bolt 3 retractions described in single movement control by described linkage 1 and linkage 25 unblanks, in the time that handle lock 2 is unblanked by linkage one 4 action control dead bolt 3 retractions, depression bar lock 1 and linkage 25 can not move, conversely, in the time that depression bar lock 1 is unblanked by linkage 25 action control dead bolt 3 retractions, handle lock 2 and linkage 1 can not move, like this when locomotive something unexpected happened, when one of them lock body is stuck, another one lock body also can be very rapidly by door-lock opening.Depression bar lock 1 and handle lock 2 are fixed by screws in respectively on the both sides of rear wall door 6, and wherein, depression bar lock 1 is positioned at drivers' cab, and handle lock 2 is positioned between machinery.
As shown in Figures 2 to 6, described dead bolt 3 comprises dead bolt body 31, and described dead bolt body 31 is cuboid, has groove 1 and groove 2 33 on the relative both sides of described dead bolt body 31; Described linkage 1 comprises connecting rod 1 and is arranged on the spill spin block 1 on one end of described connecting rod 1, other one end of described connecting rod 1 is connected with handle lock 2, described linkage 25 comprises connecting rod 2 51 and is arranged on the spill spin block 2 52 on one end of described connecting rod 2 51, other one end of described connecting rod 2 51 is connected with depression bar lock 1, and described spill spin block 1 and spill spin block 2 52 contact with the groove 1 of described dead bolt body and the groove side that is positioned at homonymy of groove 2 32 respectively.
Described handle lock 2 comprises lock box 21, handgrip 22, stage clip 23 and guide groove body 24, and one end of described handgrip 22 is passed the bottom of described lock box 21 and is rotationally connected with the bottom of described lock box 21; The spill spin block 1 of described linkage one comprises spill spin block body 1 and is welded on the revolving fragment 1 on the sidepiece of described spill spin block body 1, one end of described connecting rod 1 is connected with the end of spill spin block body 1, and its other one end is connected with one end of the described handgrip 22 through lock box bottom; The groove side of one side of the groove 1 of described revolving fragment 1 and dead bolt body contacts.
Described guide groove body 24 is arranged on the inner bottom part of described lock box 21, described dead bolt body 31 is arranged in described guide groove body 24 and can slidably reciprocates through a side of described lock box 21 along described guide groove body 24, on the inside portion of the other side of described lock box 21, be provided with stage clip joint pin 25, on the end face of one end of described dead bolt body 31, have the blind hole 34 matching with described stage clip 23, one end of described stage clip 23 is socketed on the periphery of described stage clip joint pin 25, insert in the blind hole 34 of one end end face of described dead bolt body its other one end, thereby one end of described dead bolt 3 is connected together by stage clip 23 and the inside portion of described lock box 21 1 sides, like this, mainly spacing to stage clip, in the process that prevents from being compressed by dead bolt body at stage clip, stage clip misplaces.The groove side of one side of the groove 1 of the dead bolt body of revolving fragment 1 and close stage clip 23 contacts, when revolving fragment 1 rotates, thereby be to bounce back along guide groove body 24 by promoting to promote dead bolt body 31 near a side channel side of the groove 1 of the dead bolt body of stage clip.
As shown in Fig. 2, Fig. 4 and Fig. 5, on the dual-side of described guide groove body 24, have stopper slot 241, be provided with the spacing block set 35 matching with described stopper slot 241 in the two sides of described dead bolt body 31, spacing in the glide direction when contacting to realize described dead bolt body 31 and slidably reciprocate by two groove sides of described spacing block set 35 and stopper slot 241 in guide groove body 24.
As shown in Figure 3 and Figure 5, described handgrip 22 comprises handle 221 and the handgrip boss 222 that is arranged on described handle 221 one end, and handgrip boss 222 is circular bosses, and it comprises circular bosses body and is arranged on the axial protuberance 2221 on described circular bosses body; On the bottom of described lock box 21, have the through hole one matching with the axial protuberance of described handgrip boss; When installation, the axial protuberance 2221 of described handgrip boss is inserted in the through hole one of described lock box 21 bottoms, thereby by the matched in clearance of axial protuberance 2221 and through hole one, the bottom of one end of described handgrip and described lock box 21 is rotationally connected.
Described spill spin block body 1 is cylindrical, and one end of described revolving fragment 1 is welded on the sidepiece of stating spill spin block body 1, and the groove side of a side of the groove 1 of its other one end and described dead bolt body contacts; One end of described connecting rod 1 is connected with the end face of described spill spin block body 1, and the end of the axial protuberance 2221 of its other one end and described handgrip boss is connected.Described connecting rod 1 is polygon connecting rod, the side's of being connecting rod in the present embodiment, on the end face of described spill spin block body 1 and on the end face of the axial protuberance 2221 of described handgrip boss, all have the square hole 223 matching with described connecting rod one, insert respectively in the square hole 223 on the end face of described spill spin block body 1 and on the end face of the axial protuberance 2221 of described handgrip boss at the two ends of connecting rod 1, one end of described connecting rod 1 is connected with spill spin block body 1, the end of the axial protuberance 2221 of its other one end and described handgrip boss is connected, make handgrip and linkage one form one.In order to make other one end of connecting rod 1 and the axial protuberance 2221 of described handgrip boss be connected more fasteningly, after other one end of connecting rod 1 can being inserted in the square hole of axial protuberance 2221 of described handgrip boss, then on the side of the axial protuberance 2221 of handgrip boss, squeeze into steady pin the axial protuberance 2221 of other one end of connecting rod 1 and handgrip boss is fixed.In the time of turning handle 221, rotate taking the axis of connecting rod one as round dot by handgrip boss 222, connecting rod 1, spill spin block body one 421 driven rotary sheets 1 successively, revolving fragment 1 rotates, thereby it is mobile along guide groove body 24 retractions to promote dead bolt body 31, make the state of handle lock in unblanking, now, stage clip 23 is in confined state; In the time of release handle 221, under the effect of stage clip 23, stage clip 23 promotes dead bolt body 31 and moves along guide groove body 24 returns, makes handle lock 2 in locking state.
As shown in Figure 7 and Figure 8, described depression bar lock 1 comprises left depression bar lock box 11, right depression bar lock box 12, left-hand rotation swing arm 13, right-hand rotation swing arm 14 and depression bar 15, described left depression bar lock box 11 comprises left depression bar lock box body 111 and is arranged on the left support seat 112 on the outer bottom of described left depression bar lock box body 111, as shown in Fig. 9 to Figure 13, described right depression bar lock box 12 comprises right depression bar lock box body 121, right depression bar lock box cover 122, be arranged on the right support seat 123 on the outer bottom of described right depression bar lock box body 121, plectrum 124, lock core composition 125 and lock core connecting rod 126, on the bottom surface of described left depression bar lock box 11 and right depression bar lock box 12, all have depression bar lock box through hole 7, the middle part of described left-hand rotation swing arm 13 and right-hand rotation swing arm 14 is rotationally connected with left support seat 112 and right support seat 123 respectively, the depression bar lock box through hole 7 of described left depression bar lock box 11 and right depression bar lock box 12 is passed respectively in one end of described left-hand rotation swing arm 13 and right-hand rotation swing arm 14, other one end of described left-hand rotation swing arm 13 and right-hand rotation swing arm 14 couples together by described depression bar 15, as shown in Fig. 6, Fig. 8, Figure 10 and Figure 11, on the inner bottom surface of described left depression bar lock box 11 and right depression bar lock box 12, be provided with extension spring joint pin 8, all couple together by extension spring 9 and described extension spring joint pin 8 through the described left-hand rotation swing arm 13 of depression bar lock box through hole 7 and one end of right-hand rotation swing arm 14 of described left depression bar lock box 11 and right depression bar lock box 12, on the inner bottom surface of described right depression bar lock box 12, be also provided with fixed axis 127, the middle part of described plectrum 124 is passed described fixed axis 127 and is rotationally connected with described fixed axis 127, one end of described plectrum 124 and contacting through the right-hand rotation swing arm 14 of the depression bar lock box through hole of described right depression bar lock box, one end of its other one end and described lock core connecting rod 126 is hinged, described lock core composition 125 is rotatably connected between described right depression bar lock box body 121 and right depression bar lock box cover 122, and the sidepiece of described lock core composition 125 and other one end of described lock core connecting rod 126 hinged, described connecting rod 2 51 is polygon connecting rod, the side's of being connecting rod in the present embodiment, described spill spin block 2 52 comprises spill spin block body 2 521 and is welded on the revolving fragment 2 522 on the sidepiece of described spill spin block body 2 521, one end of described connecting rod 2 51 is connected with the end of spill spin block body 2 521, and its other one end is connected with the end of described lock core composition 125, the groove side of one side of the revolving fragment 2 522 of described spill spin block two and the groove 2 33 of dead bolt body contacts, the groove side that is a side of the groove 2 33 of the dead bolt body of revolving fragment 2 522 and close stage clip 23 contacts, when revolving fragment 2 522 rotates, thereby be to bounce back along guide groove body 24 by promoting to promote dead bolt body 31 near a side channel side of the groove 2 33 of the dead bolt body of stage clip 23.As shown in Fig. 9, Figure 11 and Figure 12, described plectrum 124 comprises columniform plectrum body 1241, on the sidepiece of described plectrum body 1241, have prong, on the sidepiece of described plectrum body 1241 and be positioned at and be provided with fork sheet 1 on the both sides of described prong, on the sidepiece of described plectrum body 1241 and on the position relative with described fork sheet 1, be provided with plectrum piece 1243, fork sheet 1, plectrum body 1241 and the plectrum piece 1243 of described both sides are one.Described plectrum body 1241 passes fixed axis 127 and is rotationally connected with described fixed axis 127, described plectrum piece 1243 and contacting through the right-hand rotation swing arm 14 of the depression bar lock box through hole of described right depression bar lock box, one end of described lock core connecting rod 126 is stretched between the fork sheet 1 of described both sides and is hinged with the fork sheet 1 of both sides.Described lock core composition 125 comprises columniform plug body 1251, on the sidepiece of described plug body 1251, have prong, on the sidepiece of described plug body 1251 and be positioned at and be provided with fork sheet 2 1252 on the both sides of described prong, other one end of described lock core connecting rod 126 is stretched between the fork sheet 2 1252 of described both sides and is hinged with the fork sheet 2 1252 of both sides, in the axial both ends of the surface of described plug body 1251, be provided with lock core axial boss 1253, on described right depression bar lock box body 121 and right depression bar lock box cover 122, all have the through hole two and the through hole three that match with the lock core axial boss 1253 at plug body two ends, when installation, the lock core axial boss 1253 at described plug body two ends is inserted in the through hole two and through hole three of described right depression bar lock box body 121 and right depression bar lock box cover 122, thereby by the lock core axial boss 1253 at two ends and the matched in clearance of through hole two and through hole three, described lock core composition 125 is rotatably connected between described right depression bar lock box body 121 and right depression bar lock box cover 122.Other one end of the connecting rod 2 51 of described linkage two is welded in the lock core axial boss 1253 of described lock core composition of one end, thereby makes linkage 25 and lock core composition 125 form one.
As shown in figure 13, between described left-hand rotation swing arm 13 and depression bar 15 and between described right-hand rotation swing arm 14 and depression bar 15, be provided with a connection of rotating arm 10, described in one of them, one end of connection of rotating arm 10 is welded on described depression bar 15, its other one end is connected to by connecting bolt on the sidepiece of described left-hand rotation swing arm 13, described in another one, one end of connection of rotating arm 10 is also welded on described depression bar 15, and its other one end is connected on the sidepiece of described right-hand rotation swing arm 14 by connecting bolt.One end of left-hand rotation swing arm 13 and right-hand rotation swing arm 14 all links together by screw 16 and depression bar 15, but in the time that service time is long, screw 16 herein tends to become flexible, and can make like this inefficacy of opening the door.Loosening for preventing screw 16 herein, make depression bar 15 and turn left and right arm to be fastened together by increasing connection of rotating arm 10.
As Fig. 6, shown in Figure 11 and Figure 13, in the time that driver and conductor need enter between machinery from drivers' cab, only need push down depression bar 15 downwards, depression bar 15 will drive through the left-hand rotation swing arm 13 of described left depression bar lock box and right depression bar lock box and one end of right-hand rotation swing arm 14 and move up, simultaneously, the extension spring 9 being connected with one end of right-hand rotation swing arm 14 with left-hand rotation swing arm 13 is stretched, one end of moving on right-hand rotation swing arm 14 can promote plectrum 124 and rotate around fixed axis 127, plectrum 124 rotates by lock core connecting rod 126 is with movable lock core composition 125 to rotate, thereby drivening rod 2 51 successively, spill spin block body 2 521 and revolving fragment 2 522 rotate, revolving fragment 2 522 makes dead bolt body 31 unblank along guide groove body 24 retractions by the groove side of a side of promotion dead bolt body recess 2 33, simultaneously, compressed with the stage clip 23 that described dead bolt body 31 one end are connected, unclamp after depression bar 15, under described extension spring 9 effects, the downward reset movement in one end of the left-hand rotation swing arm 13 being connected with extension spring 9 and right-hand rotation swing arm 14, the revolving fragment 2 522 that forms 125 drivening rod devices two by plectrum 124, lock core connecting rod 126, lock core successively rotates backward, thereby make revolving fragment 2 522 unclamp the active force to dead bolt body 31, meanwhile, under the reset response of stage clip 23, dead bolt body 31 stretches out locking along guide groove body 24.Unblank and stretch out in the process of locking at dead bolt body 31 retractions, because be provided with groove 1 on dead bolt body 31, so the impact that the revolving fragment 1 of linkage one can not be moved by dead bolt body 31, therefore handle lock 2 and linkage 1 all can not move.
As shown in Figure 3 and Figure 5, when driver and conductor need be when entering into drivers' cab between machinery, only need rotate handgrip 22, will drive the connecting rod 1 being connected with described handgrip 22 to rotate, thereby driven rotary block body 1 and revolving fragment 1 rotate successively, revolving fragment 1 makes dead bolt body 31 unblank along guide groove body 24 retractions by the groove side of a side of promotion dead bolt body recess 1, meanwhile, compressed with the stage clip 23 that described dead bolt body 31 one end are connected; Unclamp after handgrip 22, described revolving fragment 1 unclamps the active force to dead bolt body 31, under the reset response of stage clip 23, dead bolt body 31 stretches out locking along guide groove body 24, meanwhile, and under the effect of dead bolt body 31, revolving fragment 1 can rotate backward, thereby driven rotary block body 1 successively, connecting rod 1 and handgrip 22 rotate backward, and handgrip 22 is resetted.Unblank and stretch out in the process of locking at dead bolt body 31 retractions, because be provided with groove 2 33 on dead bolt body 31, so the impact that the revolving fragment 2 522 of linkage two can not be moved by dead bolt body 31, therefore depression bar lock 1 and linkage 25 all can not move.
In sum, pass through structure design, handle lock in the utility model and depression bar lock can be respectively carrys out dead bolt retraction described in single movement control by linkage one and linkage two unblanks, make when locomotive something unexpected happened, when one of them lock body is stuck, another one lock body also can, very rapidly by door-lock opening, improve the safety factor of latch fitting greatly; Described handle lock and depression bar lock are to separate single movement, in the time of one of them latch fitting of operation, another one latch fitting does not need action, operates so very convenient, time saving and energy saving, also the unnecessary wearing and tearing of latch fitting have been avoided, the application life of having improved latch fitting simultaneously; In addition, the utility model flexible movements, reliable and stable, install simple, easy to maintenance.
Above embodiment is only for illustration of the utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that departing from spirit and scope of the present utility model; can also make a variety of changes or convert; therefore all technical schemes that are equal to also should belong to protection domain of the present utility model, and protection domain of the present utility model should be limited by each claim.
Claims (6)
1. a locomotive emergency safety door lock, comprise depression bar lock, handle lock and be slidably connected at the dead bolt on described handle lock, it is characterized in that: described locomotive emergency safety door lock also comprises linkage one and linkage two, one end of described linkage one and linkage two is respectively with described handle lock with depression bar is phase-locked is connected, other one end of described linkage one and linkage two all contacts with described dead bolt, and described handle lock and depression bar lock can be respectively carrys out dead bolt retraction described in single movement control by described linkage one and linkage two unblanks.
2. locomotive emergency safety door lock according to claim 1, is characterized in that: described dead bolt comprises dead bolt body, has groove one and groove two on the relative both sides of described dead bolt body; Described linkage one comprises connecting rod one and is arranged on the spill spin block one on one end of described connecting rod one, other one end of described connecting rod one is connected with handle lock, described linkage two comprises connecting rod two and is arranged on the spill spin block two on one end of described connecting rod two, other one end of described connecting rod two and the phase-locked connection of depression bar, described spill spin block one and spill spin block two contact with the groove one of described dead bolt body and the groove side that is positioned at homonymy of groove two respectively.
3. locomotive emergency safety door lock according to claim 2, is characterized in that: described handle lock comprises lock box, handgrip, stage clip and guide groove body, and one end of described handgrip is passed the bottom of described lock box and is rotationally connected with the bottom of described lock box; The spill spin block one of described linkage one comprises spill spin block body one and is arranged on the revolving fragment one on the sidepiece of described spill spin block body one, one end of described connecting rod one is connected with the end of spill spin block body one, and its other one end is connected with one end of the described handgrip through lock box bottom; The groove side of one side of the groove one of described revolving fragment one and dead bolt body contacts;
Described guide groove body is arranged on the inner bottom part of described lock box, described dead bolt body is arranged in described guide groove body and can slidably reciprocates through a side of described lock box along described guide groove body, on the inside portion of the other side of described lock box, be provided with stage clip joint pin, on the end face of one end of described dead bolt body, have the blind hole matching with described stage clip, one end of described stage clip is socketed on the periphery of described stage clip joint pin, insert in the blind hole of one end end face of described dead bolt body its other one end, thereby one end of described dead bolt is connected together by the inside portion of stage clip and described lock box one side.
4. locomotive emergency safety door lock according to claim 3, it is characterized in that: on the dual-side of described guide groove body, have stopper slot, be provided with the spacing block set matching with described stopper slot in the two sides of described dead bolt body, spacing in the glide direction when contacting to realize described dead bolt body and slidably reciprocate by two groove sides of described spacing block set and stopper slot in guide groove body.
5. according to the locomotive emergency safety door lock described in claim 3 or 4, it is characterized in that: described depression bar lock comprises left depression bar lock box, right depression bar lock box, left-hand rotation swing arm, right-hand rotation swing arm and depression bar, described left depression bar lock box comprises left depression bar lock box body and is arranged on the left support seat on the outer bottom of described left depression bar lock box body, described right depression bar lock box comprises right depression bar lock box body, right depression bar lock box cover, be arranged on the right support seat on the outer bottom of described right depression bar lock box body, plectrum, lock core composition and lock core connecting rod, on the bottom surface of described left depression bar lock box and right depression bar lock box, all have depression bar lock box through hole, the middle part of described left-hand rotation swing arm and right-hand rotation swing arm is rotationally connected with left support seat and right support seat respectively, the depression bar lock box through hole of described left depression bar lock box and right depression bar lock box is passed respectively in one end of described left-hand rotation swing arm and right-hand rotation swing arm, other one end of described left-hand rotation swing arm and right-hand rotation swing arm couples together by described depression bar, on the inner bottom surface of described left depression bar lock box and right depression bar lock box, be provided with extension spring joint pin, all couple together by extension spring and described extension spring joint pin through the described left-hand rotation swing arm of depression bar lock box through hole and one end of right-hand rotation swing arm of described left depression bar lock box and right depression bar lock box, on the inner bottom surface of described right depression bar lock box, be also provided with fixed axis, the middle part of described plectrum is passed described fixed axis and is rotationally connected with described fixed axis, one end of described plectrum and contacting through the right-hand rotation swing arm of the depression bar lock box through hole of described right depression bar lock box, one end of its other one end and described lock core connecting rod is hinged, described lock core composition is rotatably connected between described right depression bar lock box body and right depression bar lock box cover, and the sidepiece of described lock core composition and other one end of described lock core connecting rod hinged, described spill spin block two comprises spill spin block body two and is arranged on the revolving fragment two on the sidepiece of described spill spin block body two, and one end of described connecting rod two is connected with the end of spill spin block body two, and its other one end is connected with the end that described lock core forms, the groove side of one side of the revolving fragment two of described spill spin block two and the groove two of dead bolt body contacts.
6. locomotive emergency safety door lock according to claim 5, it is characterized in that: between described left-hand rotation swing arm and depression bar and between described right-hand rotation swing arm and depression bar, be provided with connection of rotating arm, described in one of them, one end of connection of rotating arm is connected on described depression bar, and its other one end is connected on described left-hand rotation swing arm; Described in another one, one end of connection of rotating arm is connected on described depression bar, and its other one end is connected on described right-hand rotation swing arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395521.7U CN203978080U (en) | 2014-07-17 | 2014-07-17 | A kind of locomotive emergency safety door lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420395521.7U CN203978080U (en) | 2014-07-17 | 2014-07-17 | A kind of locomotive emergency safety door lock |
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| CN203978080U true CN203978080U (en) | 2014-12-03 |
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| CN201420395521.7U Active CN203978080U (en) | 2014-07-17 | 2014-07-17 | A kind of locomotive emergency safety door lock |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612498A (en) * | 2015-01-28 | 2015-05-13 | 今创集团股份有限公司 | Portable train door emergency unlocking device |
| CN107700981A (en) * | 2017-09-28 | 2018-02-16 | 中车株洲电力机车有限公司 | A kind of tripper and its access door |
-
2014
- 2014-07-17 CN CN201420395521.7U patent/CN203978080U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612498A (en) * | 2015-01-28 | 2015-05-13 | 今创集团股份有限公司 | Portable train door emergency unlocking device |
| CN104612498B (en) * | 2015-01-28 | 2016-08-17 | 今创集团股份有限公司 | Lightweight Train door emergency unlocking device |
| CN107700981A (en) * | 2017-09-28 | 2018-02-16 | 中车株洲电力机车有限公司 | A kind of tripper and its access door |
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