CN206615903U - A kind of synchronous door knife device with car door lock for elevator - Google Patents

Abstract

The utility model discloses a kind of synchronous door knife device with car door lock for elevator, its be bound to it is specifically used in elevator device during first unlock, the gate unblock enabling order of back pullout (BPO), so that being can be controlled in synchronous door knife device overall structure in spacing need not be reserved between the dead bolt and closure of fastening state in non-leveling zone domain Ba Men gaps within 10mm；The mutually holding in respective whole opening procedure is synchronous with layer door for gate simultaneously, and both synchronisms are of a relatively high.Technical problems such as " in actual use, gate still suffer from asynchronization in the moment of unlatching to existing elevator device with layer door, and the synchronous effect of gate and layer door is undesirable " is which solved, possesses the advantages of installation and debugging facilitate.

Description

A kind of synchronous door knife device with car door lock for elevator

Technical field

The utility model is related to a kind of elevator technology field, particularly a kind of synchronous door knife with car door lock for elevator Device.

Background technology

Elevator generally brings convenience using the life given people, at the same time, the security performance of elevator also day Benefit attracts attention.

11.2.1 is provided in China national standard GB7588-2003：" elevator hoistways inner surface and car sill, car door frame Or the horizontal range at the nearest doorway edge of sliding door not should be greater than 0.15m.If car is equipped with the door of mechanical interlocking and can only Opened in the unlocking area of floor door, in addition to special circumstances, the operation of elevator should automatically depend on the locking of gate, and car door lock Must tightly there is electric safety device to confirm, then above-mentioned spacing is unrestricted ".

In order to meet the requirement of national standard, in the prior art, generally add protecting wall in hoistway inner surface or install independent Car door lock, it is to avoid in Lift out of order, passenger does not know about correct escape method, gate escape is opened, so as to endanger Danger.

But, the cost for installing protecting wall in hoistway inner surface is higher, and extends elevator installation period, and installs independent Car door lock, then need each storey setting unlock blade, this be accomplished by install elevator when to car door lock and each building The unblock blade of layer is accurately harmonized, it is ensured that can accurately open car door lock in the unblock blade of each floor, when Operation has deviation unavoidably above and below the too high situation of floor, car, and the installation to the unblock blade of each floor brings bigger Difficulty, while being also significantly increased the fault rate of car door lock.

For above-mentioned situation, provided in the Chinese utility model patent document of bulletin of Patent No. 201410119520.4 A kind of synchronous door knife device with car door lock for elevator, it includes：Door knife bottom plate, on the door machine of elevator；The One blade and the second blade, are movably arranged on the door knife bottom plate and mutually linkage；Transmission arm, is rotatably connected on the door knife Linked on bottom plate and with door machine drive mechanism, for driving first blade and the second blade folding；Jam plate, axle is connected on described On door knife bottom plate, and with the dead bolt being engaged with the closure on door machine；Transmission arm is unlocked, is hinged with second blade, And offset to drive jam plate release the lock with the jam plate；Unlock blade, between first blade and the second blade and with institute State unblock transmission arm to be hinged, for driving unblock transmission arm with the phase separation of layer croquet.

The elevator device of above-mentioned synchronous door knife device is combined, the process of its normally-open gate and layer door is：Car is transported Row to behind layer door sustained height position（Elevator onlocking zone）, layer croquet is between the first blade and unblock blade, in door Under the driving of machine drive mechanism, gate is opened, and the door knife bottom plate on gate is moved with gate（Extension is fixed with door machine Plate, gate is mutually fixed with hanging plate, and door knife bottom plate is also mutually fixed with hanging plate, during gate is switched, and hanging plate drives door knife bottom Plate is synchronized with the movement with gate）, the unblock blade on door knife bottom plate leans under the barrier effect of layer croquet to the second blade Closely, and drive unblock transmission arm to be overturn against jam plate, release the fastening state of dead bolt and closure, make a machine drive mechanism can be with Driving gate continue on, during continuing on, transmission arm make under the drive of door machine drive mechanism the first blade and Second blade is mutually drawn close, also will layer croquet be clamped in the first blade and unblock blade between, by layer croquet drive layer door one Rise and open.A kind of above-mentioned synchronous door knife device with car door lock for elevator, elevator cage door lock is set with synchronous door knife set Put on gate, without setting unblock blade in every floor, facilitate installation and debugging, meanwhile, it is also not special to layer door system Requirement, meet the regulation to elevator safety performance in national standard.

But, a kind of above-mentioned synchronous door knife device with car door lock for elevator still suffers from technology serious at two and lacked Fall into, be exactly specifically：First, when the elevator for combining above-mentioned synchronous door knife device is run in hoistway, once lift car Operation to behind layer door sustained height position, layer croquet is between the first blade and unblock blade, in door machine drive mechanism The lower gate of driving is opened, and the door knife bottom plate on gate is moved with gate, and the unblock blade on door knife bottom plate exists Layer croquet barrier effect under it is close to the second blade, and drive unblock transmission arm against jam plate overturn, release dead bolt with it is sealed The fastening state of part, that is, combine above-mentioned synchronous door knife device lift car run to behind layer door sustained height position, door Machine drive mechanism is needed first to drive gate to open, and door knife bottom plate upper lock tongue can just be unlocked with the closure on door machine, therefore in card Enough spacing must be reserved between the dead bolt and closure of conjunction state（Typically in 10 more than ㎜）, when being again turned on for gate Gate can be moved in advance, and above-mentioned relatively large reserved spacing easily has elevator safety hidden danger, in combination with above-mentioned synchronous gate In actual use, gate still suffers from asynchronization, gate and layer door in the moment of unlatching to the elevator device of knife system with layer door Synchronous effect is undesirable；Second, when the elevator for combining above-mentioned synchronous door knife device is run to stop, on the synchronous door knife device Being only located at the unilateral unblock blade of layer croquet can drive dead bolt to be unlocked with closure, in the strict adjustment layer doors of mounting layer Men Shixu The center of circle of ball and solution are locked a door the vertical range of knife, and dead bolt otherwise easily occur can not full opening of situation with closure.

Utility model content

The purpose of this utility model is to provide a kind of band sedan-chair for elevator to solve above-mentioned the deficiencies in the prior art The synchronous door knife device of door lock.

To achieve these goals, a kind of dress of the synchronous door knife with car door lock for elevator designed by the utility model Put, it includes：

One door knife bottom plate on the door machine of elevator；

One drive connecting rod being hinged to by the first pivot pin on a knife bottom plate is hinged to door with one by the second pivot pin Follower link on knife bottom plate, first knife blade and second knife blade are hinged in drive connecting rod and follower link jointly, And drive connecting rod, follower link, first knife blade and second knife blade collectively form quadric chain, and first knife Minimum spacing L between blade and second knife blade is less than the diameter D of layer croquet；

One is connected on the first pivot pin, the first driving to drive first knife blade and second knife blade opening and closing Plate, the first driving plate is distributed provided with arcuately track, and arching trajectory the center of circle be located on the center line of the first pivot pin the One through hole, provided with the drive shaft being connected on a machine timing belt in the first driving plate；It is provided with the opposite side of the first driving plate It is hinged on a knife bottom plate and to keep out the second gear wheel of the first driving plate；

One check plate for being hinged on a knife bottom plate, is provided with bayonet socket on check plate；

One unlocking being hinged in the first driving plate re-packs, and unlocking re-packs provided with circular arc side, and the circular arc of circular arc side The center of circle of track is located on the center line of the first pivot pin；

And, a center section is hinged on a knife bottom plate and side is provided with latch hook portion, on its other side provided with the The jam plate of one gear wheel；

Wherein, provided with first gear shaft in drive connecting rod, axial plane and the unlocking of the first gear shaft, which re-pack, mutually to be suited, and first Gear shaft is axially extending and first through hole in the first driving plate, and can be in first through hole around the center of the first pivot pin Line rotates, and unlocks the circular arc side that re-packs and the wheel face of the first gear wheel on jam plate mutually suits, and only in first knife blade and the In the state of two knife blades are closed in place, the driving axle bumper in the first driving plate is connected on the bayonet socket of check plate, only in layer door Ball is fallen between first knife blade and second knife blade, and drive connecting rod triggering unlocking re-packs, the driving jam plate that re-packs of unlocking Center line around the first pivot pin is rotated, and its latch hook portion is unlocked with the closure on door machine.

With reference to above-mentioned synchronous door knife device elevator device during specifically used, when car needed in hoistway operation When, now gate needs closure synchronous in advance, and the specific action process of elevator device is as follows：Enabling motor applies active force same In the drive shaft for the first driving plate for walking door lock device, it is contemplated that now first knife blade is closed into second knife blade Position, drive shaft is kept off on the bayonet socket for being connected to check plate, causes synchronous door knife device overall towards the direction closed the door movement, a pair of sedan-chairs Door is closed（Now, in above process because both first knife blade remaining closed and second knife blade are clamped all the time Layer croquet, therefore layer door and gate synchronization action）, until only left between a pair of gates about 10 ㎜ close the door gap when, door machine Drive shaft in check plate action on unlocking board trigger gate knife bottom plate on bottom plate, the first driving plate is out of, position-stopping plate bayonet socket Depart from, because the driving plate of continuous action power first of enabling motor starts to revolve towards the direction of jam plate around the center line of the first pivot pin Turn, first knife blade of closure starts to open with second knife blade originally, and the arc track for the circular arc side re-packed of unlocking The center of circle be located on the center line of the first pivot pin, therefore the center line re-packed around the first pivot pin of unlocking revolves towards the direction of jam plate When turning, wheel face of its circular arc side all the time with the first gear wheel on jam plate mutually suits, jam plate remains stationary state, until first knife After blade and second knife blade open completely, synchronous door knife device is then further continued for toward direction movement of closing the door until gate and layer door Completely close, enabling motor keeps active force；

After car stops stop, now gate needs synchronous opening with layer door, and the specific action process of elevator device is such as Under：Likewise, enabling motor reversely applies active force in the drive shaft of the first driving plate of synchronous door knife device, above-mentioned script The first knife blade and second knife blade of open configuration is kept to start closure, the first driving plate is around the center of the first pivot pin The direction of line dorsad jam plate rotates（Likewise, being located at first axle in view of the center of circle of the arc track for the circular arc side re-packed of unlocking On the center line of pin, therefore unlock and re-pack when being rotated around the direction of the center line dorsad jam plate of the first pivot pin, its circular arc side is begun The wheel face with the first gear wheel on jam plate mutually suits eventually, jam plate remains stationary state）, until the first driving plate is again with being hinged to The second gear wheel on door knife bottom plate mutually keeps off and connect, be now placed in drive shaft in the first driving plate again dropping place to check plate bayonet socket On, consider that the minimum spacing L between first knife blade and second knife blade is less than layer croquet under above-mentioned state first Diameter D, thus first knife blade or/and second knife blade can tegillum croquet strut, now first knife blade or/and the The first gear shaft driving in two knife blade driving drive connecting rod rotations, drive connecting rod is unlocked to re-pack to move towards the direction of jam plate It is dynamic, apply active force on the first gear wheel on jam plate, drive jam plate to be rotated around its corresponding jointed shaft, the latch hook portion of jam plate with Closure on door machine bottom board is unlocked, and then synchronous door knife device is integrally re-directed towards the movement of enabling direction, and a pair of gates start to beat Open（Now, in above process because both first knife blade remaining closed and second knife blade clamp layer door all the time Ball, therefore layer door and gate synchronization action）, until a pair of gates are opened completely with layer door.

Meanwhile, the elevator device of above-mentioned synchronous door knife device is combined in detailed process, after car stops stop, this When gate and layer door need synchronous opening, it is contemplated that first knife blade and second knife blade in synchronous door knife device first can Gripping layer croquet is closed, so as to drive the latch hook portion of jam plate and the closure on door machine bottom board to unlock, then in first knife knife Piece and second knife blade remain in the state of gripping layer croquet that gate and layer door are mutual in respective whole opening procedure Keep synchronous, and in view of first unlocking, the gate unblock enabling order of back pullout (BPO), between the dead bolt and closure of fastening state Without reserved spacing, it is can be controlled in non-leveling zone domain Ba Men gaps within 10mm.

Further, in the top of above-mentioned jam plate provided with a baffle plate, the upper edge of jam plate is provided with the first prong, the one of baffle plate Side end is provided with the second prong being inserted into first prong on edge on jam plate, and its end side is articulated to a knife bottom On plate, provided with a guide rod between baffle plate and the first driving plate, a side end of guide rod is connected in the first driving plate, Its end side runs through baffle plate, and a helical spring, a side end apical grafting of helical spring to baffle plate are socketed on the guide bar On, and be in compressive state all the time.

A kind of synchronous door knife device with car door lock for elevator provided in above-mentioned optimal technical scheme, works as car Stop after stop, if because of the control system failure or door machine failure of elevator device, cutting off the electricity supply causes enabling motor（Door machine drives Motivation structure）It is stopped, the reset of first knife blade and second knife blade in helical spring in the presence of helical spring Still be able to be closed under active force, now due to layer croquet dropping place to first knife blade and second knife blade it Between, therefore the latch hook portion of the jam plate on synchronous door knife device still is able to smoothly unlock with the closure on door machine bottom board, car Rescuer outside interior passenger or/and car can be pushed aside gate realization by outer active force and be sued and laboured（Because of first knife Both blade and second knife blade gripping layer croquet, therefore layer door can also be pushed aside by synchronization by outer active force）.But It is if that, because of the control system failure or door machine failure of elevator device, cutting off the electricity supply causes enabling motor to be stopped, and car is not Stop to stop, now because not falling within a layer croquet, therefore synchronous door knife device between first knife blade and second knife blade On for the latch hook portion of jam plate will not be unlocked with the above-mentioned closure of door machine bottom board, therefore gate can not be taken off by external force Open, it is to avoid occur because passenger opens the situation that gate endangers personal safety accident in non-stop docks.

In order to avoid helical spring is directly contacted with baffle plate, both mechanical wear amounts are reduced, on the guide bar movable sleeve A packing ring is connect, helical spring passes through on packing ring apical grafting to baffle plate.

Further, the lower edge of above-mentioned jam plate keeps out part provided with first, and the lower section of jam plate passes through the 3rd provided with one Pivot pin is hinged to the second driving plate on a knife bottom plate, the upper edge of the second driving plate be provided be located at first keep out part it is unilateral the Two keep out part, and the second driving plate is distributed provided with arcuately track, and the center of circle of arching trajectory is located at the center of the 3rd pivot pin The second through hole on line, running through in the second through hole has the second gear shaft being fixed in the second driving plate, in the second driving plate It is connected with a triggering second and keeps out and is partially toward first and keeps out part rotation, and rotational trajectory limited by the second gear shaft Position, and first keep out part contact with the second blocking part split-phase after driving jam plate around the first pivot pin center line rotation, from And the latch hook portion of jam plate and the lanyard assembly of the closure unblock on door machine, triggering second is connected with the second driving plate and is kept out Part remain dorsad first keep out part rotation pretightning force spiral tension spring, the other end of spiral tension spring is fixed to door On knife bottom plate.

A kind of synchronous door knife with car door lock for elevator provided in above-mentioned further optimal technical scheme Lanyard assembly in device, its structure can drive the latch hook portion of jam plate and the closure on door machine bottom board to unlock, therefore combine The elevator device of above-mentioned synchronous door knife device is during specifically used, and when need to such as carry out external rescue, rescuer can draw Dynamic lanyard assembly carrys out remote unlocking.

A kind of synchronous door knife device with car door lock for elevator that the utility model is obtained, it possesses following technology effect Fruit and advantage：

1st, it is in a kind of synchronous door knife device provided herein, its structure that elevator cage door lock is integrated with synchronous door knife It is arranged on gate, without setting unblock blade in every floor, facilitates installation and debugging；

2nd, the two door knife blades in left and right can be unlocked in a kind of synchronous door knife device provided herein, its structure, So only needing to adjust the gap of jam plate when mounted, the distance without adjusting blade and croquet substantially reduces site installation test Difficulty；

3rd, a kind of synchronous door knife device provided herein, its be bound to it is specifically used in elevator device during first Unblock, the gate unblock enabling order of back pullout (BPO) so that be in the dead bolt and lock of fastening state in synchronous door knife device overall structure Without reserved spacing between component, it is can be controlled in non-leveling zone domain Ba Men gaps within 10mm；Gate and layer are each simultaneously Mutually keep synchronous from whole opening procedure, both synchronisms are of a relatively high.

Brief description of the drawings

Fig. 1 is the Facad structure signal that embodiment 1 provides a kind of synchronous door knife device with car door lock for elevator Figure；

Fig. 2 is the backside structure signal that embodiment 1 provides a kind of synchronous door knife device with car door lock for elevator Figure；

Fig. 3 is the close-up schematic view at A in Fig. 2；

Fig. 4 is that embodiment 1 provides first knife blade in a kind of synchronous door knife device with car door lock for elevator Use state schematic diagram when being opened completely with second knife blade；

Fig. 5 is that embodiment 1 provides first knife blade in a kind of synchronous door knife device with car door lock for elevator Use state schematic diagram when being closed completely with second knife blade；

Fig. 6 is the backside structure signal that embodiment 2 provides a kind of synchronous door knife device with car door lock for elevator Figure；

Fig. 7 is the close-up schematic view at B in Fig. 6；

Fig. 8 is the partial structurtes signal that embodiment 3 provides a kind of synchronous door knife device with car door lock for elevator Figure；

Fig. 9 is the partial structurtes signal that embodiment 4 provides a kind of synchronous door knife device with car door lock for elevator Figure；

Figure 10 is the unlocking condition signal that embodiment 4 provides a kind of synchronous door knife device with car door lock for elevator Figure.

In figure：Door knife bottom plate 1, the first pivot pin 2, drive connecting rod 3, the second pivot pin 4, follower link 5, first knife blade 6, Second knife blade 7, the first driving plate 8, first through hole 9, drive shaft 10, the second gear wheel 11, check plate 12, bayonet socket 13, unlocking Re-pack 14, circular arc side 15, center section 16, latch hook portion 17, the first gear wheel 18, jam plate 19, the first gear shaft 20, layer croquet 21, gear Plate 22, the first prong 23, the second prong 24, guide rod 25, helical spring 26, packing ring 27, first keep out part 28, the 3rd pivot pin 29th, the second driving plate 30, second keep out part 31, the second through hole 32, the second gear shaft 33, lanyard assembly 34, spiral tension spring 35, lock Component 36, unlocking board 37.

Embodiment

The utility model is further illustrated with reference to the accompanying drawings and examples.

Embodiment 1：

As Figure 1-3, a kind of synchronous door knife device with car door lock for elevator provided in the present embodiment, its Including：

One door knife bottom plate 1 on the door machine of elevator；

One drive connecting rod 3 being hinged to by the first pivot pin 2 on a knife bottom plate 1 is hinged with one by the second pivot pin 4 Follower link 5 to door knife bottom plate 1, first knife blade 6 and second is hinged in drive connecting rod 3 and follower link 5 jointly Door knife blade 7, and drive connecting rod 3, follower link 5, first knife blade 6 and second knife blade 7 collectively form double leval jib Minimum spacing L between mechanism, and first knife blade 6 and second knife blade 7 is less than the diameter D of layer croquet 21；

One is connected on the first pivot pin 2, and first to drive first knife blade 6 and second opening and closing of knife blade 7 Driving plate 8, the first driving plate 8 provided with arcuately track be distributed, and arching trajectory the center of circle be located at the first pivot pin 2 center line On first through hole 9, provided with being connected to drive shaft 10 on a machine timing belt in the first driving plate 8；In the first driving plate 8 Opposite side is provided with the second gear wheel 11 being hinged on a knife bottom plate 1 and to keep out the first driving plate 8；

One check plate 12 for being hinged on a knife bottom plate 1, is provided with bayonet socket 13 on check plate 12；

One unlocking being hinged in the first driving plate 8 re-packs 14, and unlocking, which re-packs, 14 is provided with circular arc side 15, and circular arc side The center of circle of 15 arc track is located on the center line of the first pivot pin 2；

And, a center section 16 is hinged on a knife bottom plate 1 and side is provided with latch hook portion 17, is set on its other side There is the jam plate 19 of the first gear wheel 18；

Wherein, in drive connecting rod 3 provided with first gear shaft 20, axial plane and the unlocking of the first gear shaft 20 re-pack 14 tangent Close, the first gear shaft 20 is axially extending and first through hole 9 in the first driving plate 8, and can be in first through hole 9 around the One pivot pin 2 center line rotation, unlock re-pack 14 circular arc side 15 and the wheel face of the first gear wheel 18 on jam plate 19 mutually suit, and Only in the state of first knife blade 6 and second knife blade 7 are closed in place, the gear of drive shaft 10 in the first driving plate 8 connects To the bayonet socket 13 of check plate 12, only fallen into layer croquet 21 between first knife blade 6 and second knife blade 7, actively The triggering unlocking of connecting rod 3 re-packs 14, and the 14 driving jam plates 19 that re-pack of unlocking rotate around the center line of the first pivot pin 2, its latch hook portion 17 Unlocked with the closure 36 on door machine.

With reference to above-mentioned synchronous door knife device elevator device during specifically used, when car needed in hoistway operation When, now gate needs closure synchronous in advance, and the specific action process of elevator device is as follows：Enabling motor applies active force same In the drive shaft 10 for the first driving plate 8 for walking door lock device, as shown in Figure 5, it is contemplated that now first knife blade 6 and second Knife blade 7 is closed in place, and drive shaft 10 is connected on the bayonet socket 13 of check plate 12 by gear, causes synchronous door knife device overall towards pass The direction movement of door, a pair of gates are closed（Now, in above process because of the first knife blade 6 remained closed and second Both knife blades 7 clamp layer croquet 21, therefore layer door and gate synchronization action all the time）, until only being left between a pair of gates About 10 ㎜ close the door gap when, the check plate 12 on the trigger gate knife bottom plate 1 of unlocking board 37 on door machine bottom board is acted, such as Fig. 4 institutes Show, the drive shaft 10 in the first driving plate 8 departs from out of position-stopping plate bayonet socket 13, because the continuous action power first of enabling motor is driven Dynamic plate 8 starts to rotate around the direction of center line towards the jam plate 19 of the first pivot pin 2, originally first knife blade 6 of closure with Second knife blade 7 starts to open, and unlock re-pack 14 circular arc side 15 arc track the center of circle be located at the first pivot pin 2 in On heart line, therefore unlock and re-pack 14 when being rotated around the direction of center line towards the jam plate 19 of the first pivot pin 2, its circular arc side 15 is begun Mutually suit with the wheel face of the first gear wheel 18 on jam plate 19 eventually, the remains stationary state of jam plate 19, up to first knife blade 6 and the After two knife blades 7 open completely, synchronous door knife device is then further continued for toward direction movement of closing the door until gate and layer door are complete Close, enabling motor keeps active force；

After car stops stop, now gate needs synchronous opening with layer door, and the specific action process of elevator device is such as Under：Likewise, enabling motor reversely applies active force in the drive shaft 10 of the first driving plate 8 of synchronous door knife device, it is above-mentioned Originally the first knife blade 6 and second knife blade 7 of open configuration is kept to start closure, the first driving plate 8 is around first axle The direction of the center line of pin 2 dorsad jam plate 19 rotates（Likewise, re-packed in view of unlocking 14 circular arc side 15 arc track The center of circle is located on the center line of the first pivot pin 2, therefore unlocks and re-pack 14 around the side of the center line dorsad jam plate 19 of the first pivot pin 2 To during rotation, wheel face of its circular arc side 15 all the time with the first gear wheel 18 on jam plate 19 mutually suits, the remains stationary shape of jam plate 19 State）, connect until the first driving plate 8 is mutually kept off with the second gear wheel 11 for being hinged on a knife bottom plate 1 again, be now placed in the first driving Drive shaft 10 on plate 8 on dropping place to the bayonet socket 13 of check plate 12, considers first knife blade 6 first again under above-mentioned state Minimum spacing L between second knife blade 7 is less than the diameter D of layer croquet 21, therefore first knife blade 6 or/and second The meeting tegillum croquet 21 of door knife blade 7 is strutted, as shown in figure 5, now first knife blade 6 or/and second driving master of knife blade 7 Dynamic connecting rod 3 rotates, and the first gear shaft 20 in drive connecting rod 3 drives the 14 direction movements towards jam plate 19 that re-pack of unlocking, and applies and makees Firmly on the first gear wheel 18 on jam plate 19, jam plate 19 is driven to be rotated around its corresponding jointed shaft, the latch hook portion 17 of jam plate 19 Unlocked with the closure 36 on door machine bottom board, then synchronous door knife device is integrally re-directed towards the movement of enabling direction, a pair of gates are opened Begin to open（Now, because of first knife blade 6 remaining closed and second knife blade 7, both clamp all the time in above process Layer croquet 21, therefore layer door and gate synchronization action）, until a pair of gates are opened completely with layer door.

Meanwhile, the elevator device of above-mentioned synchronous door knife device is combined in detailed process, after car stops stop, this When gate and layer door need synchronous opening, it is contemplated that first knife blade 6 and second elder generation of knife blade 7 in synchronous door knife device Gripping layer croquet 21 can be closed, so that drive the latch hook portion 17 of jam plate 19 to be unlocked with the closure 36 on door machine bottom board, Ran Hou First knife blade 6 and second knife blade 7 remain in the state of gripping layer croquet 21 that gate is with layer door each whole Mutually keep synchronous in opening procedure, and in view of first unlocking, the gate unblock enabling order of back pullout (BPO), in the lock of fastening state Without reserved spacing between tongue and closure 36, it is can be controlled in non-leveling zone domain Ba Men gaps within 10mm.

Embodiment 2：

A kind of synchronous door knife device with car door lock for elevator provided in the present embodiment, its general structure and reality Apply example 1 consistent, as shown in Figure 6 and Figure 7, but in the top of above-mentioned jam plate 19 provided with a baffle plate 22, lock in the present embodiment The upper edge of plate 19 is provided with the first prong 23, and a side end of baffle plate 22, which is provided with, to be inserted into first prong 23 on edge on jam plate 19 The second prong 24, its end side is articulated on a knife bottom plate 1, is provided between the driving plate 8 of baffle plate 22 and first One guide rod 25 a, side end of guide rod 25 is connected in the first driving plate 8, and its end side runs through baffle plate 22, It is socketed on guide rod 25 on a helical spring 26, a side end apical grafting to the baffle plate 22 of helical spring 26, and all the time in compression State.

Above-mentioned a kind of synchronous door knife device with car door lock for elevator, after car stops stop, if because of elevator system The control system failure or door machine failure of system, cutting off the electricity supply causes enabling motor（Door machine drive mechanism）It is stopped, in spiral shell First knife blade 6 still is able to second knife blade 7 under the reset response power of helical spring 26 in the presence of rotation spring 26 Closed, now due to layer croquet 21, dropping place is therefore synchronous between first knife blade 6 and second knife blade 7 The latch hook portion 17 of jam plate 19 on door lock device still is able to smoothly unlock with the closure 36 on door machine bottom board, multiplying in car Rescuer outside seat personnel or/and car, which can be pushed aside gate by outer active force and realize, to sue and labour（Because first knife blade 6 with Both gripping layer croquets 21 of second knife blade 7, therefore layer door can also be pushed aside by synchronization by outer active force）.But, if Because of the control system failure or door machine failure of elevator device, cutting off the electricity supply causes enabling motor to be stopped, and car is not stopped To stop, now because not falling within layer croquet 21, therefore synchronous door knife device between first knife blade 6 and second knife blade 7 On for jam plate 19 latch hook portion 17 will not be above-mentioned with door machine bottom board closure 36 unlock, therefore gate can not pass through external force Pushed aside, it is to avoid occur because passenger opens the situation that gate endangers personal safety accident in non-stop docks.

Embodiment 3：

A kind of synchronous door knife device with car door lock for elevator provided in the present embodiment, its general structure and reality Apply example 2 consistent, but in order to avoid helical spring 26 is directly contacted with baffle plate 22, reduce both mechanical wear amounts, such as Fig. 8 It is shown, in this implementation on guide rod 25 one packing ring 27 of pivot bush unit, helical spring 26 passes through the apical grafting of packing ring 27 to baffle plate 22 On.

Embodiment 4：

A kind of synchronous door knife device with car door lock for elevator provided in the present embodiment, its general structure and reality Apply example 3 consistent, as shown in Figure 9 and Figure 10, but the lower edge of jam plate 19 described in the present embodiment keeps out part 28 provided with first, The lower section of jam plate 19 is provided with second driving plate 30 being hinged to by the 3rd pivot pin 29 on a knife bottom plate 1, the second driving plate 30 upper edge be provided be located at first keep out part 28 it is unilateral second keep out part 31, the second driving plate 30 is provided with arcuately rail Mark be distributed, and arching trajectory the center of circle be located at the 3rd pivot pin 29 center line on the second through hole 32, passed through in the second through hole 32 The second gear shaft 33 being fixed in the second driving plate 30 is installed with, second blocking part of triggering is connected with the second driving plate 30 Points 31 keep out part 28 towards first is rotated, and rotational trajectory is carried out spacing by the second gear shaft 33, and keeps out part first 28 keep out the center line rotation that jam plate 19 is driven after part 31 is in contact around the first pivot pin 2 with second, so that the lock of jam plate 19 The lanyard assembly 34 that hook portion 17 is unlocked with the closure 36 on door machine, is connected with the second blocking part of triggering in the second driving plate 30 Points 31 remain dorsad first keep out the rotation of part 28 pretightning force spiral tension spring 35, the other end of spiral tension spring 35 is consolidated Determine to door knife bottom plate 1.

Lanyard assembly 34 in a kind of above-mentioned synchronous door knife device with car door lock for elevator, its structure can drive The latch hook portion 17 of jam plate 19 is unlocked with the closure 36 on door machine bottom board, therefore combines the elevator system of above-mentioned synchronous door knife device System is during specifically used, and when need to such as carry out external rescue, rescuer can pull lanyard assembly 34 to carry out remote unlocking.

Claims (4)

1. a kind of synchronous door knife device with car door lock for elevator, it is characterized in that including：

One door knife bottom plate on the door machine of elevator；

One drive connecting rod being hinged to by the first pivot pin on a knife bottom plate is hinged to a knife bottom with one by the second pivot pin Follower link on plate, is hinged first knife blade and second knife blade jointly in drive connecting rod and follower link, and main Dynamic connecting rod, follower link, first knife blade and second knife blade collectively form quadric chain, and first knife blade Minimum spacing L between second knife blade is less than the diameter D of layer croquet；

One is connected on the first pivot pin, the first driving plate to drive first knife blade and second knife blade opening and closing, First driving plate provided with arcuately track be distributed, and arching trajectory the center of circle be located at the first pivot pin center line on first lead to Hole, provided with the drive shaft being connected on a machine timing belt in the first driving plate；It is provided with and is hinged in the opposite side of the first driving plate The second gear wheel on to door knife bottom plate and to keep out the first driving plate；

One check plate for being hinged on a knife bottom plate, is provided with bayonet socket on check plate；

One unlocking being hinged in the first driving plate re-packs, and unlocking re-packs provided with circular arc side, and the arc track of circular arc side The center of circle be located at the first pivot pin center line on；

And, a center section is hinged on a knife bottom plate and side is provided with latch hook portion, on its other side provided with first gear The jam plate of wheel；

Wherein, provided with first gear shaft in drive connecting rod, axial plane and the unlocking of the first gear shaft, which re-pack, mutually to be suited, the first gear shaft First through hole axially extending and in the first driving plate, and center line that can be around the first pivot pin in first through hole revolves Turn, the circular arc side and the wheel face of the first gear wheel on jam plate that unlocking re-packs mutually suit, and only in first knife blade and second In the state of knife blade is closed in place, the driving axle bumper in the first driving plate is connected on the bayonet socket of check plate, is only fallen in layer croquet Enter between first knife blade and second knife blade, drive connecting rod triggering unlocking re-packs, unlocking re-pack driving jam plate around The center line rotation of first pivot pin, its latch hook portion is unlocked with the closure on door machine.

2. a kind of synchronous door knife device with car door lock for elevator according to claim 1, it is characterized in that above-mentioned The top of jam plate is provided with the first prong provided with a baffle plate, the upper edge of jam plate, and a side end of baffle plate, which is provided with, is inserted into jam plate The second prong in first prong on upper edge, its end side is articulated on a knife bottom plate, is driven in baffle plate and first Provided with a guide rod between plate, a side end of guide rod is connected in the first driving plate, and its end side runs through baffle plate, It is socketed on the guide bar on a helical spring, side end apical grafting a to baffle plate of helical spring, and is in compressive state all the time.

3. a kind of synchronous door knife device with car door lock for elevator according to claim 2, it is characterized in that being oriented to One packing ring of pivot bush unit on bar, helical spring passes through on packing ring apical grafting to baffle plate.

4. a kind of synchronous door knife device with car door lock for elevator according to any one of claim 1-3, it is special It is that the lower edge of above-mentioned jam plate keeps out part provided with first to levy, and the lower section of jam plate is hinged to a knife bottom provided with one by the 3rd pivot pin The second driving plate on plate, the upper edge of the second driving plate be provided be located at first keep out part it is unilateral second keep out part, second Driving plate provided with arcuately track be distributed, and arching trajectory the center of circle be located at the 3rd pivot pin center line on the second through hole, Through there is the second gear shaft for being fixed in the second driving plate in the second through hole, a triggering the is connected with the second driving plate Two keep out and are partially toward first and keep out part rotation, and rotational trajectory carried out by the second gear shaft it is spacing, and in the first blocking part Driving jam plate after being contacted with the second blocking part split-phase is divided to be rotated around the center line of the first pivot pin, so that the latch hook portion of jam plate and door The lanyard assembly of closure unblock on machine, triggering second is connected with the second driving plate keeps out part and remain dorsad the One keeps out the spiral tension spring of the pretightning force of part rotation, and the other end of spiral tension spring is fixed on a knife bottom plate.