CN1126677C - Device for opening/closing door of vehicle - Google Patents

Abstract

To simply form a mechanism in which a door is closed in such a way that its outer face becomes flush with an outer face on the outside of a vehicle and the door is opened in a condition in which it sticks out from the outside of the vehicle. A pedestal 8 is supported in a ceiling part of an inlet and outlet 3 part of a vehicle 1 so as to travel in the direction of inlet and outlet and in the direction of the center of the vehicle. A guide 9 is provided in a front part of the pedestal 8 in the longitudinal direction of the vehicle. A door 14 is supported by the guide 9 so as to open, close, and travel in the longitudinal direction of the vehicle. Guide rails 29, 31, 32 engaging with the door 14 are provided on a vehicle side. The guide rails are formed in such a way that the door is put at a position where it sticks out from an outer face of an outer plate of the vehicle from an open condition to the halfway of closing of the door, the door is drawn in the direction of the center of vehicle from the halfway of closing, and the door is drawn up to a position where its outer face becomes flush with an outer face on the outside of the vehicle upon completion of closing.

Description

Gate operating lock

The present invention relates to the gate operating lock of railway vehicle and other vehicle.

In the past, the car door of railway vehicle generally was accommodated in the vehicle side wall or to the base plate side and reversed under situation about opening.

But, below the automobile outer plate of base plate gangway, be provided with in the vehicle of step, owing to can not in vehicle side wall or base plate, accommodate car door, at the closing of the door state, the outside of car door and the outside of automobile outer plate are same plane, and under the situation of car door opening, car door is positioned at than automobile outer plate is outside and deflects away from and the position parallel with longitudinal direction of car.For so outstanding (deflecting away from) mode, be to be provided with to make drive source that car door moves towards the vehicle center direction in the gangway direction and the drive source that car door is moved to longitudinal direction of car in the past.

Outwards give prominence in the gate operating lock of mode in above-mentioned employing in the past, owing to must be provided with two drive sources, so have the defective of complex structure.

Therefore, even the purpose of this invention is to provide a kind ofly, outwards also can be configured to the gate operating lock of outstanding mode simply for the big car door of the sort of weight of railway vehicle.

For addressing the above problem, the invention provides a kind of gate operating lock, it is characterized in that, pedestal can be bearing in the ceiling portion of discrepancy oral area of vehicle movably in gangway direction and vehicle center direction, front portion at pedestal is provided with guide along longitudinal direction of car, car door can open and close at longitudinal direction of car and be bearing in movably on this guide, be provided with the guide rail that engages with car door at side portion of vehicle, the shape of this guide rail is: when from the car door opening state to the way of closed condition motion, car door is in the position of also outwards deflecting away from than the outside of automobile outer plate, and in the way of its closed condition motion, car door is furthered to the vehicle center direction, and when closing movement was over, car door its outside of being furthered was conplane position with the outside of automobile outer plate.

Among the present invention, car door is bearing on the pedestal, open car door and by guide rail car door is extruded laterally under this bearing state, pedestal also is drawn out thus, and car door just is opened to the state parallel with automobile outer plate that also outwards deflects away from than the outside of automobile outer plate.

When by this state closed door, by guide rail car door is furthered to the vehicle center direction, pedestal also is drawn into thus, and car door is conplane state with regard to the outside that is closed to its outside and automobile outer plate.

Among the present invention, guide rail constitutes by the line part parallel with longitudinal direction of car with to the portion of furthering of longitudinal direction of car bending, and this guide rail is arranged on ceiling portion and the base plate.

At this moment, support car door and switching by a plurality of guide rails.

In addition, among the present invention, on pedestal, be provided with the driver train that opening/closing door of vehicle is moved.

Adopt this structure, can make the car door automatic shutter, make car door and pedestal do above-mentioned moving by driver train.

And, in the present invention, on pedestal, be provided with the actuator that opening/closing door of vehicle is moved, on the linkage part of this actuator and car door, be provided with the amplification mechanism of the action increase that makes actuator.

Like this, by this amplification mechanism, can use the short actuator of switching stroke of its stroke ratio car door.

And, in the present invention, come support block by the cramp bar in the ceiling portion that is located at vehicle of can joltily hanging down.

Perhaps, replacing above-mentioned is also can come support block by the horizontal supporting track that is fixedly set in side portion of vehicle by what cramp bar came support block.

Like this, when above-mentioned when coming support block by cramp bar like that, switching along with car door, cramp bar fluctuates when pedestal moves forward and backward, when it is swung upward, bigger power must be arranged, but when coming support block by supporting track by level, the above-mentioned cramp bar of switching force rate of car door little.

And in the present invention, the guide that can support car door at longitudinal direction of car is made of linear guide with opening and closing.

Like this, the guide of supporting car door can stretch significantly, increases the switching stroke of car door, the opening amount of increase gangway.

And in the present invention, at the periphery of the full periphery of car door or the gangway that joins with it, it is the dilatability sealing member of hollow form that section is set, and when closing of the door, air supply in the dilatability sealing member makes it to expand.

Adopt this structure, when closing of the door,, this dilatability sealing member is expanded, improve the air-tightness between car door and the vehicle by air supply in the dilatability sealing member.

Fig. 1 is the front view of the closing of the door state of expression first embodiment of the invention.

Fig. 2 is the front view except that car door among Fig. 1.

Fig. 3 is the longitudinal section that the bottom parts along Fig. 1 dissects.

Fig. 4 is the oblique drawing of each mechanism in the presentation graphs 1.

Fig. 5 is the longitudinal section of the drive part of car door and pedestal among Fig. 3.

Fig. 6 is the birds-eye view of Fig. 5.

Fig. 7 is the birds-eye view of the linear steering portion among Fig. 1, the closed condition of expression car door.

Fig. 8 is state from Fig. 7 view during with car door opening.

Fig. 9 is the cutaway view along the A-A line of Fig. 1.

Figure 10 is the cutaway view along the B-B line of Fig. 1.

Figure 11 is the birds-eye view of an expression Locking Device portion part.

Figure 12 is the longitudinal section of expression second embodiment of the invention main portion.

Figure 13 is the birds-eye view of Figure 12.

Figure 14 is the back view of Figure 12.

Figure 15 is the longitudinal section of expression third embodiment of the invention main portion.

Figure 16 is the back view of Figure 15.

According to the embodiment shown in the figure embodiments of the present invention are described below.

Fig. 1～Figure 11 represents first embodiment.

Among the spatial portion 1b on the base plate 2 of vehicle 1 between the ceiling 4a of the top 4 of gangway 3 and vehicle 1, setting up the mounting base 5 that is fixed on the car body 1.Below this mounting base 5, hang down by support 6 and to establish cramp bar 7, this bar 7 can be swung freely in the gangway of vehicle 1 direction and vehicle center direction (the A-B direction is called fore-and-aft direction in the following text among Fig. 4).This cramp bar 7 top corner location of gangway 3 on base plate 2 is equipped with 4.Record 3 on the figure that Fig. 4 did.

The top of the top 4 of gangway 3 is along longitudinal direction of car (the C-D direction among Fig. 4 on base plate 2, call left and right directions in the following text), be equipped with the pedestal 8 that is made of four jiaos of flat boards movably at fore-and-aft direction, wherein this flat board has with sidewall and the discontiguous length of compartment wall and at fore-and-aft direction and has predetermined width.And at these above pedestal 8 four jiaos, the lower end of above-mentioned 4 cramp bars 7 is connected rotationally by support 6a, and this pedestal 8 can make 4 cramp bars 7 be suspention supporting ground and move along fore-and-aft direction.

At the gangway of above-mentioned pedestal 8 side, fixing fixed guide 10 at the left and right directions on even keel, this guide constitutes linear steering portion 9.Disposing baseplate 11 in the front side of this fixed guide 10, in the right-half plane portion of the rear side of this baseplate 11, have can be chimeric with the top rotation of said fixing guide 10 ditch, in this ditch, be provided with 2 guide pulleys 12 rotationally; Also have can be chimeric with the following rotation of fixed guide 10 ditch, in this ditch, be provided with 2 guide pulleys 13 rotationally, grip guide 10 by such 4 guide pulleys 12,13, the baseplate 11 that is supported on the fixed guide can be moved along left and right directions.And, in the left demifacet portion of the front side of baseplate 11, have the chimeric ditch of top rotation that can be installed on the movable guide 15 on car door 14 tops with on even keel, in this ditch, be provided with 2 guide pulleys 16 rotationally; Also have can be chimeric with the following rotation of movable guide 15 ditch, in this ditch, be provided with 2 guide pulleys 17 rotationally, movable guide 15 by such 4 guide pulleys 16,17 along left and right directions clamping movably (supporting), support the weight of car door 14 thus.In addition, in the left and right end portions of above-mentioned movable guide 15, be provided with block 18,19.

And, when car door shown in Figure 4 14 from open mode when the direction (direction in front of the door) of closed door 14 is mobile, at first, just door 14 moves to right-hand jointly with movable guide 15, closes at it that block 18 contacts with the guide pulley 16,17 in left side in closed procedure; Continue then to closed door 14, and also move, make car door 14 fully close gangway 3 to closing the pushing of baseplate 11 directions.In addition, when from this closed condition when the direction of opening car door 14 (door tail direction) is mobile, position when baseplate 11 still remains on closing of the door, just car door 14 moves to left jointly with movable guide 15, and block 19 contacts with the guide pulley 12,13 on right side in the process that it is opened; Continue then to open car door 14, and also move, make car door 14 open gangway 3 fully to the direction pushing of opening baseplate 11.By such linear steering portion 9, can control the length of fixed guide 10 according to the opening size of gangway 3, can increase the switching stroke of car door 14 simultaneously, thereby increase the opening amount of gangway 3.

On above-mentioned pedestal 8, be provided with driver train, as this actuating device, by motor 20, be arranged at brake unit 21 on these motor 20 output shafts, be arranged on the output shaft of this brake unit 21, be used to make reductor 22 that the rotation of motor 20 slows down, the dry multiple disc clutch 23 on the output shaft that is arranged at this reductor 22, be arranged at sprocket wheel 24 on the output shaft of this power-transfer clutch 23, across forming between this sprocket wheel 24 and another sprocket wheel 25 and at the roller chain 26 that left and right directions sets up, by the positive and negative rotation of motor 20, the also positive and negative rotation of roller chain 26.

On top near above-mentioned car door 14 front ends, upper bracket 27 is being fixed highlightedly to the vehicle center direction, the front portion of this upper bracket 27 is fixed on the above-mentioned roller chain 26 by parts 28, by the positive and negative rotation of roller chain 26, by upper bracket 27 car door 14 is opened and closed to move.

On the mounting base 5 of above-mentioned ceiling side, be provided with upper rall 29 regularly.On this upper rall 29, be formed with the guide groove 29a of its lower aperture, as shown in Figure 4, from door tail side to the gangway 3 substantial middle part, be formed with line part 29b with the parallel longitudinal of vehicle 1; From this line part 29b to side in front of the door, be formed with through the 29c of the portion that furthers of certain curvature to the bending of vehicle center direction.And, being provided with rotating cylinder 30 on above-mentioned support 27, this cylinder 30 is entrenched in the guide groove 29a rotationally.

On the downside of base plate 2, dispose equidirectionally with above-mentioned upper rall 29 roughly with the bottom epimere guide rail as shown in Figure 9 31 of shape and as shown in figure 10 bottom hypomere guide rail 32.Guide groove 31a, the 32a of these two guide rails 31,32 are up formed.In addition, similarly form line part 31b, 32b and the further 31c of portion, 32c with above-mentioned upper rall 29.

In bottom near car door 14 front portions, have two lower bracket 34,35, they are being fixed highlightedly to the vehicle center direction, be provided with rotating cylinder 36,37 simultaneously in the front portion of these two lower bracket 34,35, one of them cylinder 36 is entrenched in the guide groove 31a of epimere guide rail 31 rotationally, and 37 on another cylinder is entrenched in the guide groove 32a of hypomere guide rail 32 rotationally.

In the 29c of the portion that furthers of above-mentioned guide rail 29,31,32,31c, 32c in front of the door on the position of the fore-and-aft direction of side end, when cylinder 30,36,37 is embedded in this position, as shown in Figure 7, set car door 14 and further to the central side of vehicle, this moment, the outside of car door 14 became with the outside 1a of automobile outer plate with one side; On the position of the fore-and-aft direction of this external line part 29b, 31b, 32b, when cylinder 30,36,37 is embedded in this position, as shown in Figure 8, car door 14 direction forwards, backwards advances, being set in also will outer forward position of stretching out than the outside 1a of automobile outer plate, this outer gauge D1 (comprising the thickness of movable guide 15 and the thickness of baseplate 11) of car door 14 and summation of certain clearance dimension D 2 of being of a size of.

In addition, above above-mentioned 3 cylinders 30,36,37, its position does not have difference each other, therefore can stably open and close car door 14; And even when the external force such as barometric fluctuation inside and outside car act on car door 14, car door 14 can not rock yet.

On the rear end of above-mentioned pedestal 8, be provided with a pair of power assistance mechanism 38.As shown in Figure 5,43 revolutions freely can be sold by this mechanism 38 on the support 39 that is fixed in pedestal 8 sides; In addition, can on the fixing support 40 of being located at above-mentioned mounting base 5 that hangs down, turn round freely by pin 42, and on above-mentioned pin 43, be provided with regularly the axle 43a, this another is distolateral slidably in pin 42, moreover on this periphery, being provided with the coil spring 41 that is compressive state, the elastic restoring force by this coil spring 41 makes pin 43 away from pin 42.And, as shown in Figure 5, retreat and during closed door 14, the pin 43 of support 39 will be positioned at the position that also will lean on back (B direction) than the plumb bob vertical X at the center of the pin 42 that passes support 40 at pedestal 8; And when before the pedestal 8 and then when drawing back car door 14, the pin 43 of support 39 will move to the direction more forward than plumb bob vertical X (A direction).

But, compression on the plumb bob vertical X of coil spring 41, become stop at Fig. 5, when pedestal 8 is retreated by this position, apply setback force, and when pedestal 8 advances by helical spring elastic restoring force, the elastic restoring force by coil spring 41 applies ahead power.

The reason that designs this power assistance mechanism 38 is: car door 14 when closing direction moves, cramp bar 7 with the plumb bob vertical Y of Fig. 5 be the center, only 1/2 of the size quantity of extruding with car door 14 rearward joltily tilts; On the contrary, when car door 14 when opening direction and move, cramp bar 7 with plumb bob vertical Y be the center, only 1/2 of the size quantity of extruding with car door 14 forwards joltily tilts, therefore when carrying out this tilted rearward and forwards tilting, must be useful on the power of weight such as support block 8 and car door 14, adopt the elastic restoring force of coil spring 41 to assist this power.

Disposing turning cylinder 44 along the vertical direction in the sidewall 1c of vehicle 1, fixing on it can be outside car manually operated clutch lever 44a with can be from the manually operated clutch lever 44b of base plate side.In addition, on the top of turning cylinder 44, be connected with control stalk 47 by connecting rod 46, the other end of this control stalk 47 is connected on the above-mentioned power-transfer clutch 23 by arm 48.And, by clutch lever 44a, the 44b of the so manual cancel system 45 that constitutes of positive and negative rotation, can realize the open and close operation of power-transfer clutch 23.That is,,, can open car door 14 owing to, at this moment, manually activate power-transfer clutch 23 by clutch lever 44a, 44b by brake unit 21 brake activationes in eventuality such as power failures.

Dispose another turning cylinder 49 in the sidewall 1c of this external vehicle 1 along the vertical direction, fixing on it can be outside car manually operated locking rod 50a with can be from manually operated locking rod 50b of base plate side and locking pawl 52, as shown in figure 11, after car door 14 is closed, locking rod 50a or 50b are rotated along the locking direction, make locking pawl 52 turn round and join on the locking seat 53 that is fixedly arranged at car door 14 sides, carry out locking thus; And by the rotation along unlocking direction, locking pawl 52 leaves outside the locking seat 53, thereby finishes release.Moreover according to the above-mentioned locking pawl 52 and the locking seat 53 of the Locking Device 51 of above-mentioned formation, configurable upper and lower position in the car door front side is carried out locking and release in linkage.

The on-off action of the car door of above-mentioned first embodiment is described below.

When starting under (joint) state at power-transfer clutch 23, when car door shown in Figure 4 14 is in the state of opening and comes closed door 14, by not shown opening/closing door of vehicle switch is carried out shutoff operation, motor 20 rotates along a direction, and roller chain 26 rotates along the direction of arrow among Fig. 4.Rotate by this, will on described roller chain 26, fixed upper bracket 27 also spur, thereby draw the car door 14 that is consolidated on the upper bracket 27 along closing direction along the direction of arrow.At this moment, by line part 29b, 31b, the 32b of guide rail 29,31,32, the end wise that makes car door 14 be parallel to vehicle 1 moves to the position that also will deflect away from some than the outside 1a of the outside plate of vehicle 1.In addition, at the initial stage that this closing direction moves, the mode that movable guide 15 is supported on the cylinder 16,17 that is provided with on the baseplate 11 moves.

In the way that closing direction moves, when block 18 contacted with cylinder 16,17, baseplate 11 also was supported on the fixed guide 10 at car door 14, and simultaneously car door 14 moves to closing direction.

Arrive final period of closing directions at car door 14, the further portion 29c of cylinder 30,36,37 by guide 29,31,32,31c, 32c rearward (B direction) induce, and by support 27,34,35, car door 14 is rearward furthered.By furthering of this car door 14, rearward push pedestal 8 with fixed guide 10 through baseplate 11.

Like this, pedestal 8 becomes the state by cramp bar 7 supportings, and rearward moves by shaking of cramp bar 7.At this moment, the coil spring 41 of power assistance mechanism 38 is crossed the stop tilted rearward, produces the power of weight such as inevitable aiding support car door 14 by shaking of cramp bar 7.This power assistance mechanism 38 especially when manually opening and closing car door 14, can alleviate its opening and closing operations power.

And when closed door 14, as shown in Figure 7, car door 14 reaches the position that retreats most, and the outside 1a of the outside of car door 14 and automobile outer plate is in closed with one side ground.When car door 14 is closed, detect this situation by suitable sensor, motor 20 is stopped.

After car door 14 is closed, to the locking rod 50a or the 50b of locking direction rotation lock locking apparatus 51, locking pawl 52 is joined on the locking seat 53 of car door 14, carry out locking thus.

Then when opening car door 14, the locking pawl 52 of outwards throwing off Locking Device 51, apply opening operation by the switch that not shown opening/closing door of vehicle is used, motor 20 rotated in the opposite direction, roller chain 26 along with Fig. 4 in opposite direction shown in the arrow rotate.Rotate by this, carry out the action opposite with above-mentioned closing movement, pedestal 8 advances mobile, car door 14 moves along the track opposite with above-mentioned track of closing, linear steering portion 9 elongation, as shown in Figure 8, car door 14 is opened into the state that also outwards deflects away from any than the outside 1a of automobile outer plate.

In this closing movement, the coil spring 41 of power assistance mechanism 38 is crossed stop and is turned forward, and by cramp bar 7 swings, produces the power of weight such as inevitable aiding support car door 14.

When car door 14 is opened, detect this situation by suitable sensor, motor 20 is stopped.

When 14 one-tenth closed conditions of above-mentioned car door and open mode, owing to motor 20 stops, by brake unit 21 brake activationes.

But in the special moment of following power failure, when manual switching car door 14, because above-mentioned braking is worked, difficulty manually opens and closes.For this reason, when manually opening and closing, by the releasing operation of manual cancel system 45, releasing clutch 23, remove with brake unit 21 between be communicated with, can easily manually open and close car door 14 thus.

Moreover, though above-mentioned lower guide the 31, the 32nd, upper and lower configuration, also configuration at grade simultaneously.In addition, also a lower guide can only be set.

Figure 12～14 expressions, second embodiment.

The shape of the linear steering portion 9 among this second embodiment and above-mentioned first embodiment is different, can not use cramp bar 7 to move forward and backward pedestal 8, and substitute drive motor 20 with cylinder, as the driving means of pedestal 8.

On the sidewall and compartment wall in the space on the base plate 2 of vehicle 1 between the ceiling 4a of the top 4 of gangway 3 and vehicle 1, be fixed with supporting track 60,61 along fore-and-aft direction and on even keel.

At these supporting track 60,61 upper edge fore-and-aft directions and level pedestal 8a is being set movably, the protruding seat of the slip that the both sides of this pedestal 8a are provided with below 62,63 and above-mentioned supporting track 60,61 are chimeric slidably.

The guide 10a that is equivalent to said fixing guide 10 disposes and is fixed on above the front side of above-mentioned pedestal 8a along left and right directions.On this fixed guide 10a, be formed with the baseplate 11a that is equivalent to said base plate 11, it is anti-L shaped that its side section is, have the protruding seat of the slip that is equivalent to above-mentioned cylinder 12,13 12a, 13a above that in the portion, should slide protruding seat 12a, 13a and said fixing guide 10a is chimeric slidably, can support this baseplate 11a movably along left and right directions.And, in the flap portion of baseplate 11a, fixedly installing the movable guide 15a that is equivalent to above-mentioned movable guide 15 along left and right directions and on even keel.Moreover, on car door 14, fixing the protruding seat of the slip that is equivalent to above-mentioned cylinder 16,17 16a, 17a, these two slide protruding seat 16a, 17a and movable guide 15a is chimeric slidably, thus car door 14 is supported by movable guide 15a and move along left and right directions and on even keel.

Between the sprocket wheel 64,65 that is provided with on the pedestal 8a, setting up roller chain 66 along left and right directions.And being fixed with cylinder 67 as actuator in pedestal 8a upper edge left and right directions configuration, the leading section of its piston rod 68 is connected on the following avris of above-mentioned roller chain 66 by link 69.

On the axle 70 of above-mentioned sprocket wheel 65, be provided with the sprocket wheel 24a that is equivalent to above-mentioned sprocket wheel 24, and on the opposing party, be provided with the sprocket wheel 25a that is equivalent to above-mentioned sprocket wheel 25, on these sprocket wheels, set up the roller chain 26a that is equivalent to above-mentioned roller chain 26 thus.

And, on car door 14, fixedly installing the upper bracket 27a that is equivalent to above-mentioned upper bracket 27, the front portion of this upper bracket 27a is connected the following avris of roller chain 26a.

Above-mentioned sprocket wheel 65 is to form in latter's mode bigger than the former diameter with sprocket wheel 24a, constitutes amplification mechanism 80 thus, and above-mentioned roller chain 26a is longer than the stroke of above-mentioned piston rod 68, and with very fast speed revolution.Embodiment among the figure is that all speed ratios with sprocket wheel 65 and sprocket wheel 24a are set at 1: 2, car door 14 with the stroke of piston rod 68 roughly 2 times stroke and open and close with 2 times speed roughly.

In addition, be provided with the upper rall 29 same with above-mentioned first embodiment on vehicle 1 side, upper bracket 27a goes up the cylinder 30 that is provided with and is embedded in this rotationally.Moreover, in the bottom of vehicle 1, though not shown, disposing bottom epimere guide rail 31 and the bottom hypomere guide rail 32 same with above-mentioned first embodiment, the cylinder 36,37 of the lower bracket 34,35 that is provided with on car door 14 sides is embedded in this.

In addition, also be provided with the manual cancel system 45 and Locking Device 51 same with above-mentioned first embodiment.

Among this second embodiment, under closed condition shown in Figure 13,, the piston rod 68 of cylinder 67 is retreated to right-hand by not shown opening/closing door of vehicle switch is carried out opening operation, roller chain 66 makes the anticlockwise motion of sprocket wheel 65 along Figure 14 along the direction of arrow revolution of Figure 14.By this rotation, sprocket wheel 24a also rotates along same direction, makes roller chain 26a rotate the action of opening car door 14 along the direction of arrow of Figure 14.At this moment, roughly open by 2 times speed and stroke with piston rod 68 for car door 14.In addition, when car door 14 was opened, because guide rail 29,31,32 and similarly press with above-mentioned first embodiment and to release car door 14, pedestal 8a also advanced thus, and car door 14 is opened to the position that the outside 1a than automobile outer plate also outwards deflects away from.

In addition, by applying shutoff operation from above-mentioned open mode to not shown opening/closing door of vehicle switch, the piston rod 68 of cylinder 67 just advances, and roller chain 26a reverses with the direction opposite with above-mentioned arrow, and car door 14 is moved to closing direction.For this closing movement, car door 14 also is that roughly 2 times speed and stroke are closed with piston rod 68.And this moment, owing to making car door 14 and above-mentioned first embodiment, guide rail 29,31,32 similarly rearward furthers, and pedestal 8a retreats, and car door 14 is its outside as illustrated in fig. 13 and becomes conplane mode to close with the outside 1a of automobile outer plate.

In addition, in this embodiment, the air exhaustion mechanism that cylinder 67 is made in above-mentioned manual cancel system 45.And, with the above-mentioned Locking Device 51 that similarly is provided with.

Among above-mentioned first embodiment, because cramp bar 7 is joltily supporting pedestal 8, so opening and closing operations power is bigger when manually opening and closing car door 14, and in order to alleviate this opening and closing operations power, it is necessary that above-mentioned the sort of power assistance mechanism 38 is set.Relative therewith, in this second embodiment, on even keel slides on the supporting track 60,61 because pedestal 8a is bearing in, and above-mentioned first embodiment is little for its opening and closing operations force rate, thus need not to be provided with above-mentioned power assistance mechanism 38, and can easily manually open and close.

And, adopt this second embodiment, by amplification mechanism 80, the actuator that is made of cylinder 67 can small and exquisitely form (short size), can reduce the device that it is provided with the space, obtains miniaturization.

In addition, amplification mechanism 80 is not limited to the situation of the foregoing description, also available other structure.

Figure 15 and Figure 16 represent the 3rd embodiment.

The 3rd embodiment does not adopt the driver train of above-mentioned two embodiment, but manually carries out the switching of door.

The structure of the 3rd embodiment reaches the structure of the parts 64,65,66,68,69 that activated by their except sprocket wheel 24a, 25a, roller chain 26a, the cylinder 67 of above-mentioned second embodiment, and other structure is identical with above-mentioned second embodiment's.Therefore, omit the explanation of the above-mentioned same parts of representing with prosign.

In the 3rd embodiment, bus attendants etc. are by manually opening and closing car door 14, this car door 14 similarly moves with pedestal 8a and above-mentioned second embodiment, the outside 1a that makes car door 14 be closed to its outside and automobile outer plate is conplane position, perhaps makes car door 14 be opened to the position that also will deflect away from than the outside of automobile outer plate.

In addition, above-mentioned Locking Device 51 also can adopt the free locking mode that the closedown mode of the elasticity function with spring etc., electric or air activate as propulsion source or comprehensively adopt these modes except the structure of the foregoing description.

And the movable agency of Locking Device 51 preferably is arranged on the fixed mechanism on the car door side of mainly being located at side portion of vehicle.Because difficulty such as actuating unit and distribution, pipe arrangement etc. is set on the car door that switching is moved.

In addition,, also the operating handle parts can be arranged in the scope that switching to car door do not constitute obstacle, promptly be arranged in the car door 14, and locking seat 53 is arranged on the sidepiece of vehicle 1 even under the situation of the manual type Locking Device 51 of the foregoing description.

And, at the full periphery of car door 14 and full peripheral part, be provided with elastic sealing gasket P1, the P2 (referring to Fig. 6～8, Figure 11) that constitute by rubber etc., the air-tightness when closing between car door and the vehicle to improve car door 14 with the gangway of its vehicle that joins 1.

Must have under the situation of high air-tightness at superexpress train etc., after joining to above-mentioned locking pawl 52 on the locking seat 53, employing makes this locking pawl 52 have the structure of 2 kinds of action functions more with electronic, pneumatic or manual mode with tightening, can compress above-mentioned elastic sealing gasket more strongly, improve its air-tightness.

And, substitute above-mentioned chucking mode, can use the dilatability packing seal that replaces hollow section above-mentioned elastic sealing gasket P1, P2, that forms by elastic body, it is injected air and makes it expansion.Promptly, the sensor of the locking that can detect above-mentioned Locking Device 51 when car door 14 is closed etc. also can be set, signal by this sensor etc. activates not shown air feeder, supply air in the above-mentioned dilatability sealing member, this dilatability sealing member is expanded, improve the air-tightness between car door 14 and the vehicle 1.

In addition, except that the foregoing description,, also can adopt the sort of pattern that opens and closes car door by cylinder 67 of above-mentioned second embodiment for the pattern of coming support block 8 by the sort of cramp bar 7 of first embodiment.

And the present invention is not only applicable to railway vehicle, is applicable to other vehicles such as bus yet.

According to above-mentioned, adopt the present invention, guide car door by guide rail, along with the switching of car door, the pedestal of supporting car door is moved, when closing the big car door of weight along the center position of gangway direction and vehicle, this is moved to the outside that makes car door and the outside of automobile outer plate is conplane position, when opening car door, this is moved to the position of also outwards deflecting away from than the outside of automobile outer plate, obtains simple structure thus.

In addition, guide rail of the present invention is by constituting with the straight line portion of the parallel longitudinal of vehicle with to the part that furthers of vehicle center direction bending, and, by this guide rail is arranged on ceiling portion and base plate, can make car door more can not rock, more stably support and open and close.

The present invention when opening/closing door of vehicle moves, can carry out moving of car door gangway direction and vehicle center direction also by the driver train that opening/closing door of vehicle is moved is set by a driver train on pedestal in addition, constitutes automatic on/off mechanism thus simply.

The present invention also is provided with the actuator that opening/closing door of vehicle is moved on pedestal in addition, by the amplification mechanism of the action increase that makes actuator is set on the linkage part between this actuator and the car door, the small-sized actuator that can use the switching stroke of its stroke ratio car door also will lack makes equipment miniaturization and can the automatic shutter car door.

And the cramp bar of the ceiling portion by being located at vehicle by can joltily hanging down comes support block, can constitute the supporting device that pedestal is moved as described above easily.

Moreover, come support block by the horizontal supporting track that fixedly installs by side portion of vehicle, particularly manually opening and closing under the situation of car door, available light switching power is operated.

And by can being made of linear guide at the guide of the vertical switching supporting car door of vehicle, thereby the switching stroke that can increase car door increases the opening amount of gangway, the switching that car door also will be deflected away from than automobile outer plate.

And, on the full periphery of car door or the gangway periphery that joins with it, the dilatability sealing member that section is hollow form is set, under the situation of closed door, make it to expand by air supply in the dilatability sealing member, when closing of the door, improved the air-tightness between car door and the vehicle, particularly need the occasion of high-air-tightness particularly effective for superexpress train etc.

Claims (8)

1. gate operating lock, it is characterized in that, pedestal can be bearing in the ceiling portion of discrepancy oral area of vehicle movably in gangway direction and vehicle center direction, front portion at pedestal is provided with guide along longitudinal direction of car, car door can open and close at longitudinal direction of car and be bearing in movably on this guide, be provided with the guide rail that engages with car door at side portion of vehicle, the shape of this guide rail is:

When from the car door opening state to the way of closed condition motion, car door is in the position of also outwards deflecting away from than the outside of automobile outer plate, and in the way of its closed condition motion, car door is furthered to the vehicle center direction, and when closing movement was over, car door its outside of being furthered was conplane position with the outside of automobile outer plate.

2. gate operating lock as claimed in claim 1 is characterized in that:

Guide rail is formed by the line part parallel with longitudinal direction of car with to the portion of furthering of vehicle center direction bending, and this guide rail is arranged on ceiling portion and the base plate.

3. gate operating lock as claimed in claim 1 or 2 is characterized in that:

On pedestal, be provided with the driver train that opening/closing door of vehicle is moved.

4. gate operating lock as claimed in claim 1 or 2 is characterized in that:

On pedestal, be provided with the actuator that opening/closing door of vehicle is moved, on the linkage part of this actuator and car door, be provided with the amplification mechanism of the action increase that makes actuator.

5. gate operating lock as claimed in claim 1 or 2 is characterized in that:

The cramp bar of the ceiling portion that is located at vehicle by can joltily hanging down comes support block.

6. gate operating lock as claimed in claim 1 or 2 is characterized in that:

Come support block by the horizontal supporting track that is fixedly set in side portion of vehicle.

7. gate operating lock as claimed in claim 1 or 2 is characterized in that:

The guide that can support car door at longitudinal direction of car is made of linear guide with opening and closing.

8. gate operating lock as claimed in claim 1 or 2 is characterized in that:

At the periphery of the full periphery of car door or the gangway that joins with it, it is the dilatability sealing member of hollow form that section is set, and when closing of the door, air supply in the dilatability sealing member makes it to expand.

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