WO2018166405A1 - 电梯门锁装置 - Google Patents

电梯门锁装置 Download PDF

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Publication number
WO2018166405A1
WO2018166405A1 PCT/CN2018/078556 CN2018078556W WO2018166405A1 WO 2018166405 A1 WO2018166405 A1 WO 2018166405A1 CN 2018078556 W CN2018078556 W CN 2018078556W WO 2018166405 A1 WO2018166405 A1 WO 2018166405A1
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WO
WIPO (PCT)
Prior art keywords
door lock
car door
base
tie rod
assembly
Prior art date
Application number
PCT/CN2018/078556
Other languages
English (en)
French (fr)
Inventor
霍俊超
Original Assignee
日立电梯（中国）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日立电梯（中国）有限公司 filed Critical 日立电梯（中国）有限公司
Priority to JP2019572276A priority Critical patent/JP6935519B2/ja
Publication of WO2018166405A1 publication Critical patent/WO2018166405A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
    • B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors

Definitions

  • the invention relates to the technical field of elevators, and in particular to an elevator door lock device.
  • the main function of the elevator door lock device is to ensure that the car door cannot be opened when the elevator is in the non-leveling area to ensure passenger safety.
  • the passengers in the car may intend to get out by their own strength or the passengers in the car may unnecessarily open the car during the running of the elevator.
  • Car door In this case, it may cause the passenger to fall into the hoistway or a person's safety accident on the exposed platform. Therefore, it is necessary to install a door lock device in the car to ensure that the car door cannot be opened when the elevator is in a non-leveling area.
  • the traditional elevator asynchronous door system relies on the car door stroke to trigger the unlocking of the car door lock and the floor door lock, that is, when the elevator reaches the leveling, the car door drives the right side door knife to move to the left, and the right side door knife and The door lock cylinder is tangent, the car door continues to move to the left, the car door lock hook is opened; the car door continues to move to the left so that the door lock roller and the door lock lock roller are attached, so that the door lock is opened The car door continues to move to the left, so that the door lock static roller is tangent to the left door knife, and finally the left and right doorknob clamping layer door lock static roller and the layer door lock roller make the landing door and the sedan The door is linked to open.
  • the elevator door opening mode is that the car door is first unlocked to unlock the car door lock and the floor door lock, which sometimes causes the car door lock hook to be stuck during the door opening process, resulting in poor running of the elevator. There is also a safety hazard. In addition, the passenger can see the inner wall of the landing door from the car, which lacks aesthetics.
  • An elevator door lock device comprises: a left tie rod, a right tie rod, a car door lock assembly, a layer door lock assembly and a base; the base is connected with the car door;
  • the left tie rod, the right tie rod and the car door lock assembly are rotatably connected with the base, and the left tie rod and the right tie rod are oppositely disposed;
  • the door lock assembly is mounted on the landing door, and the floor lock assembly includes a roller assembly.
  • the roller assembly When the car door is level with the landing door, the roller assembly is located between the left and right tie bars; the right tie bar is on the belt.
  • the driving can be reciprocally rotated between the first position and the second position relative to the base;
  • the right tie rod pushes the roller assembly to unlock the layer door lock assembly, and the roller assembly pushes the left tie rod to rotate relative to the base, so that the car door lock assembly Unlock.
  • the elevator door lock device further includes a buffer mechanism disposed in the upper sill of the car door; the height of the trajectory of the right lacing bar moving from the first position to the second position is gradually decreased; the buffer mechanism has a buffer In the process of reciprocating between the first position and the second position, the upper end of the right tie rod is always in contact with the buffer surface.
  • the buffer mechanism includes a buffer groove, the groove surface of the buffer groove forms a buffer surface; the upper end of the right tie rod is provided with a tie roller, and the right tie rod reciprocates between the first position and the second position. During the process, the tie roller is always in contact with the buffer surface.
  • the elevator door lock device further includes first and second tying arms that are parallel to each other, and the two ends of the first tying arm are respectively hinged to the right tying rod and the base, and the second system The two ends of the arm are respectively hinged to the right tie rod and the base;
  • a third straddle arm and a fourth tying arm that are parallel to each other, the two ends of the third tying arm are respectively hinged with the left tying rod and the base, and the two ends of the fourth tying arm are respectively combined with the left tying rod and The base is hinged.
  • the elevator door lock device further includes a limiting component, the limiting component comprises a rotating base, a long arm and a short arm, and the rotating base is rotatably connected with the base, one end of the long arm is connected with the rotating base, and the other end is provided with a bayonet; one end of the short arm is connected to the rotating base, and the other end is provided with a release roller; the mass of the short arm is smaller than the mass of the long arm, and the short arm and the long arm are set at an acute angle;
  • the first tying arm and the right tying rod are connected by a rotating shaft; when the right tying rod is moved to the second position, the bayonet can be snapped on the rotating shaft;
  • the release seat of the car door is provided with a release groove that cooperates with the release roller.
  • the release groove has a release surface, and the release roller contacts the release surface during the movement of the right engagement lever from the second position to the first position.
  • the elevator door lock device further includes a right hinge positioning component disposed on the base for defining a range of rotation of the right tie bar relative to the base in the first position and the second position between;
  • the left locating positioning component is disposed on the base;
  • the left locating positioning component comprises an elastic supporting member and a positioning component, and the elastic supporting component is coupled with the third tying arm to provide support for the left tying pole Acting force;
  • the positioning member is located above the upper end of the left tie rod to define a range of displacement of the left tie rod upward.
  • the car door lock assembly includes a car door lock hook, an unlocking roller and a car door lock hook shaft, and the car door lock hook is rotatably coupled to the base through the car door lock hook shaft;
  • the car door lock is provided with a car door lock seat, and the car door lock seat cooperates with the car door lock hook; when the car door lock assembly is in an unlocked state, the car door lock seat can define a displacement range of the car door lock hook horizontal movement;
  • a drive hook is disposed on the left tie rod;
  • a card slot is formed between the drive hook and the left tie rod;
  • the unlocking roller is coupled to the car door lock hook and located in the card slot.
  • the car door lock assembly further includes a weight, the weight is coupled to the car door lock hook; the weight block and the car door lock hook are respectively located on opposite sides of the car door lock hook shaft.
  • the door lock assembly further includes a layer door lock hook, a layer door lock hook shaft and a door lock base, the door lock base is fixed in the floor door upper sill, and the layer door lock hook passes through the layer door lock hook shaft and The door lock base is rotatably connected; the roller assembly is rotatably connected to the layer door lock hook;
  • the floor door upper dam is provided with a layer door lock seat, and the layer door lock seat cooperates with the layer door lock hook; when the floor door lock assembly is in an unlocked state, the layer door lock seat can define a displacement range of the horizontal movement of the layer door lock hook.
  • the roller assembly includes a first moving wheel and a second moving wheel.
  • first moving wheel is adjacent to the right tie rod
  • second moving wheel is adjacent to the left tie rod.
  • the roller assembly falls between the left tie rod and the right tie rod, and the right tie rod moves in the direction of opening the door under the driving of the belt, pushing the roller assembly, and the door lock is Unlocked, at this time, the car door is not opened, and the roller assembly pushes the left tie bar to unlock the car door lock, and the belt continues to move. Since the left and right tie bars clamp the roller assembly, the landing door and the car door are realized. Linked to open. When the elevator is in the non-leveling area, since there is no roller assembly, the left tie rod cannot be pushed at all, so the car door lock cannot be opened at all times.
  • the opening manner of the elevator door is to sequentially unlock the layer door lock and the car door lock, and finally the car door and the landing door are interlocked to open, thereby avoiding the car door lock being stuck during the door opening process.
  • the situation improves the reliability of the elevator operation and also improves the aesthetics of the elevator.
  • FIG. 1 is a schematic view showing a state in which an elevator door lock device is not operated in a leveling area according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing a state in which an elevator door lock device is unlocked in a leveling area according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a state in which an elevator door lock device is in an open state, and a door lock assembly is unlocked in an open state process according to an embodiment of the present invention
  • FIG. 4 is a schematic view showing the elevator door lock device in the leveling area, the layer door lock assembly and the car door lock assembly in a fully open state according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a state in which a limit assembly locks a right tie rod in an elevator door lock device according to an embodiment of the present invention
  • FIG. 6 is a motion state diagram of the elevator door lock device in the flat layer area, the left tie rod and the right tie rod clamping roller assembly, and the car door and the landing door are interlockedly opened according to an embodiment of the present invention
  • FIG. 7 is a schematic diagram of a state in which an elevator door lock device is blocked in a non-leveling area according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural view of a car door lock assembly of an elevator door lock device according to an embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of a limit component of an elevator door lock device according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural view of a layer door lock assembly of an elevator door lock device according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram of an unlocking operation of a layer door lock assembly of an elevator door lock device according to an embodiment of the present invention
  • FIG. 12 is a schematic view showing the left door hinge, the right tie rod drive layer door lock assembly, and the car door lock assembly of the elevator door lock device according to an embodiment of the present invention
  • FIG. 13 is a process diagram of an elevator door lock device according to an embodiment of the present invention, when the motor blocking force disappears, the right tie rod is slowly falling.
  • an elevator door lock device includes: a left tie rod 100, a right tie rod 200, a car door lock assembly 300, a door lock assembly 400 and a base 500;
  • the door 700 is connected;
  • the left tie rod 100, the right tie rod 200 and the car door lock assembly 300 are rotatably connected to the base 500, and the left tie rod 100 and the right tie rod 200 are oppositely disposed;
  • the belt 800 can be reciprocally rotated relative to the base 500 between the first position and the second position.
  • the right tie rod 200 pushes the roller assembly. 410, unlocking the door lock assembly 400 while the roller assembly 410 pushes the left tie bar 100 to unlock the car door lock assembly 300.
  • the first position is the position of the right tie rod 200 relative to the base 500 when the elevator door is in the closed state
  • the second position is the position of the right tie rod 200 relative to the base 500 when the elevator door is in the open state, right hinged
  • the process of moving the rod 200 from the first position to the second position is a process of unlocking the elevator door in the initial stage of opening the elevator door
  • the process of moving the right tie rod 200 from the second position to the first position is the final stage of the elevator door closing.
  • the process of door locking In the present embodiment, the horizontal leftward is the direction in which the car door 700 is opened, and the horizontal right is the direction in which the car door 700 is closed.
  • the right tie rod 200 is moved from the first position to the second position by the belt 800, and the right tie rod 200 pushes the roller assembly 410 to unlock the layer door where the roller assembly 410 is located.
  • the car door 700 is not opened, and the roller assembly 410 is close to the left tie bar 100, and finally the left tie bar 100 is pushed to unlock the car door.
  • the belt 800 continues to move to the left, and since the left tie rod 100 and the right tie rod 200 clamp the roller assembly 410, the landing door and the car door 700 are interlocked to open.
  • the opening mode of the elevator door is to sequentially unlock the layer door lock and the car door lock, and finally the car door and the landing door are linked to open, thereby avoiding the situation that the car door lock is stuck during the door opening process, thereby improving the reliability of the elevator operation.
  • Sexuality improves the synchronism of the landing door and the car door, and also improves the aesthetics of the elevator.
  • the elevator door lock device further includes a buffer mechanism 600 disposed in the car door upper sill 710; the height of the trajectory of the right lacing bar 200 moving from the first position to the second position is gradually decreased; the buffer mechanism 600 has In the buffer surface, during the reciprocation of the right tie rod 200 between the first position and the second position, the upper end of the right tie rod 200 is always in contact with the buffer surface. During the reciprocating movement between the first position and the second position of the right tie rod 200, the upper end of the right tie rod 200 is always in contact with the buffer surface, that is, the buffer surface of the buffer mechanism 600 can cooperate with the right tie rod 200.
  • the movement track makes the movement of the right tie rod 200 relatively flat, so that if the car is powered off in the non-leveling area, the right tie rod 200 rotates under the action of gravity during the movement of the car to the leveling area.
  • the buffer surface of the buffer mechanism 600 can effectively slow down the impact speed of the right tie rod 200 on the landing door roller and avoid damage of the device. And for any reason, when the elevator is parked in the leveling area, if it is desired to open the car door 700 from the car, when a certain swaying of the car door 700 is employed, the buffering surface of the cushioning mechanism 600 will cause the right tying bar 200 to be downward.
  • the pressing force causes the right tie rod 200 to move from the first position to the second position, and finally can open the car door 700 and the landing door in linkage.
  • the device can ensure that the car door 700 can be opened from the car as needed in any case as long as the elevator is parked in the unlocking area, and the tie rod can be contracted against the roller assembly 410 in an emergency situation. Impact, to avoid damage to the equipment.
  • the buffer mechanism 600 can be configured in various forms.
  • the buffer mechanism 600 includes a buffer groove 610.
  • the groove surface of the buffer groove 610 forms a buffer surface.
  • the upper end of the right coupling rod 200 is provided with a tie roller 210.
  • the tie roller 210 is always in contact with the buffer surface.
  • the belt 800 moves to the left to drive the right tie rod 200 to rotate relative to the base 500. Due to the action of the buffer groove 610, the movement of the right tie rod 200 is slow, and finally the right The tie bar 200 approaches and pushes the roller assembly 410 so that the car door 700 and the landing door can be opened.
  • the car door 700 When the car door 700 is parked in the leveling area, if a sudden situation occurs, for example, the door system is powered off, the right tie rod 200 is moved from the first position to the second position by gravity, and the right tie rod 200 pushes the roller assembly. 410, the roller assembly 410 pushes the left tie rod 100, and finally the car door 700 and the landing door are opened. If the elevator stops in the leveling area, the door system is charged, but the belt 800 is always tightened to the right, and the car door 700 cannot be opened normally. At this time, the car door 700 is forced to move, and the car door 700 has a tendency to move to the left.
  • the base 500 connected to the door 700 also has a tendency to move to the left, so that the right tie rod 200 connected to the base 500 is rotated by the buffer groove 610 to start moving from the first position to the second position, and finally the car can be opened.
  • Door 700 and landing door
  • the buffer groove 610 may have a linear shape, a polygonal shape, or a circular arc shape, or a combination of a circular arc shape and a linear shape. Therefore, the buffer surface may be a flat surface, a curved surface, an arc surface, or a circle. The combination of curved surface and plane. Preferably, the buffer groove 610 is a combination of a circular arc shape and a linear shape, and the buffer groove 610 is a circular arc groove and a linear groove in the direction in which the elevator door is opened.
  • the groove surface of the arcuate groove of the buffer groove 610 is a buffer surface that is in contact with the coupling roller 210, and the extension track thereof is a locus of the rotation of the outer circle of the roller 210 with respect to the base 500.
  • the linear groove of the buffer groove 610 is a section extending in the horizontal direction.
  • the buffer mechanism 600 may further include a buffer plate, and the lower surface of the buffer plate is the above-mentioned buffer surface.
  • the elevator door lock device further includes a first coupling arm 220 and a second coupling arm 230 that are parallel to each other.
  • the two ends of the first coupling arm 220 are respectively connected to the right tie rod 200 and the base.
  • the 500 hinges, and the two ends of the second tying arm 230 are hinged to the right tying rod 200 and the base 500, respectively.
  • one end of the first tying arm 220 and the second tying arm 230 and the base 500 may be disposed on a side of the right tying rod 200 away from the left tying rod 100, wherein The upper end of the first tying arm 220 is hinged to the upper end of the right tying rod 200, the lower end of the first tying arm 220 is hinged to the base 500, and the upper end of the second tying arm 230 is hinged to the lower end of the right tying rod 200. The lower end of the second tying arm 230 is hinged to the base 500.
  • the right tying rod 200 can be rotated about the base 500, and can always maintain the vertical state, ensuring the stability of the movement of the right tying rod 200.
  • the elevator door lock device further includes a third arm 110 and a fourth arm 120 that are parallel to each other.
  • the two ends of the third arm 110 are respectively coupled to the left.
  • the rod 100 is hinged to the base 500, and both ends of the fourth coupling arm 120 are hinged with the left tie rod 100 and the base 500, respectively.
  • one end of the third tying arm 110 and the fourth tying arm 120 and the base 500 may be disposed on a side of the left tying rod 100 away from the right tying rod 200, wherein
  • the lower end of the third hitch arm 110 is hinged to the lower end of the left tie rod 100
  • the upper end of the third hitch arm 110 is hinged to the base 500
  • the lower end of the fourth hitch arm 120 is hinged to the upper end of the left tie rod 100.
  • the upper end of the fourth hitch arm 120 is hinged to the base 500.
  • the elevator door lock device further includes a limiting component 240.
  • the limiting component 240 includes a rotating base 241 and a long arm 242.
  • the rotating base 241 is rotatably coupled to the base 500.
  • One end of the 242 is connected to the rotating base 241, and the other end is provided with a bayonet 243; the first hitch arm 220 and the right tie rod 200 are connected by the rotating shaft 221; when the right hitting rod 200 is moved to the second position, the bayonet 243 It can be snapped onto the rotating shaft 221 (as shown in FIG. 5).
  • the limiting component 240 further includes a short arm 244.
  • One end of the short arm 244 is connected to the rotating base 241, and the other end is provided with a release roller 245; the mass of the short arm 244 is smaller than the mass of the long arm 242, and the short arm 244 and the long arm
  • the 242 is disposed at an acute angle; the car door upper 710 is provided with a release slot 250 that cooperates with the release roller 245.
  • the release slot 250 has a release surface, and the right tie rod 200 moves from the second position to the first position, releasing the roller. 245 is in contact with the release surface.
  • the structure of the release groove 250 may be various, and the shape may be a linear shape, a circular arc shape or a combination of a linear shape and a circular arc shape, and thus the release surface may be a flat surface, a curved surface, a circular surface, or It is a combination of a circular surface and a plane.
  • the shape of the release groove 250 is a combination of a linear shape and a circular arc shape
  • the release groove 250 is a linear groove and a circular arc groove in the order in which the elevator door is opened.
  • the groove surface of the arcuate groove of the release groove 250 is a release surface for contact with the release roller 245, and its extension trajectory coincides with the shape of the trajectory of the movement of the release roller 245.
  • the linear groove of the release groove 250 is a section extending in the horizontal direction.
  • the limit assembly 240 naturally hangs down the end of the long arm 242 under the action of gravity (as shown in FIG. 1), abuts against the left side of the right tie rod 200, and at this time releases the roller 245 and releases
  • the lower end of the circular arc groove of the groove 250 is in contact, and during the process of the car door 700 continuing to open, the limiting component 240 rotates, the bayonet 243 of the long arm 242 end is snapped onto the rotating shaft 221, and the releasing roller 245 is swung to the circular arc groove.
  • the upper end position (as shown in Figure 5).
  • the release roller 245 At the end of the closing of the car door 700, the release roller 245 first contacts the upper end of the arcuate groove of the release groove 250. During the process of the car door 700 continuing to close, the release roller 245 moves along the lower end of the arcuate groove of the release surface of the release groove 250. So that the bayonet 243 of the long arm 242 end is disengaged from the rotating shaft 221, so that the right bridging rod 200 can start to rotate in the closing direction (horizontal rightward) under the pulling of the belt 800 until the car door 700 and the landing door are completely closed, and at the same time, The limit assembly 240 is rotationally reset. In this way, by providing the limit assembly 240, the car door 700 and the landing door can be well coupled during the opening and closing process, and the linkage between the landing door and the car door 700 is further improved.
  • the elevator door lock device further includes a right hinge positioning component, and the right hinge positioning component is disposed on the base 500 for defining a range of rotation of the right tie bar 200 relative to the base 500.
  • the right locating positioning component can include a first positioning portion 261 and a second positioning portion 262 for preventing the right lacing lever 200 from continuing to move relative to the base 500 when moving from the second position to the first position.
  • the direction of the first position is rotated.
  • the first positioning portion 261 may be a positioning bolt disposed on the right side of the right tie rod 200. When the right tie rod 200 is moved to the first position, the right tie rod is The right side of the 200 is just in contact with the positioning bolt.
  • the second positioning portion 262 is configured to prevent the right coupling rod 200 from continuing to rotate relative to the base 500 toward the second position when moving from the first position to the second position.
  • the second positioning portion 262 may be a positioning block. The block is disposed on the left side of the right tie rod 200. When the right tie rod 200 is moved to the second position, the positioning block can abut the first hit arm 220 or the second hit arm 230.
  • the first positioning portion 261 can ensure the proper distance between the right tiebar 200 and the roller assembly 410 on the landing door when the elevator door is closed.
  • the second positioning portion 262 can ensure that the displacement of the push button assembly 410 by the right tie rod 200 is appropriate.
  • the elevator door lock device further includes a left tie positioning component, and the left tie positioning component is disposed on the base 500; the left tie positioning component includes an elastic support member 131 and a positioning member 132, and the elastic support member 131
  • the third base arm 110 is coupled to provide a supporting force to the left tie rod 100; the positioning member 132 is located above the upper end of the left tie rod 100 to define an upward displacement range of the left tie rod 100.
  • the elastic support member 131 may be a compression spring. One end of the compression spring is connected to the base 500, and the other end is connected to the third coupling arm 110.
  • the positioning member 132 may be a positioning post or a screw or the like.
  • the car door lock assembly 300 includes a car door lock hook 310, an unlocking roller 320, and a car door lock hook shaft 330.
  • the car door lock hook 310 passes through the car door lock hook shaft 330.
  • a car door lock 340 is disposed in the car door upper 710, the car door lock 340 is engaged with the car door lock hook 310; when the car door lock assembly 300 is in an unlocked state, the car door
  • the lock seat 340 can define a displacement range of the horizontal movement of the car door lock hook 310; the left tie rod 100 is provided with a drive hook 140, and the drive hook 140 forms a card slot with the left tie rod 100; the unlocking roller 320 and the car door lock
  • the hooks 310 are connected and located in the card slot.
  • the roller assembly 410 pushes the left tie rod 100 to rotate relative to the base 500. It is assumed that the left tie rod 100 is moved from the third position to the fourth position. It should be noted that the third position is that the elevator door is in the closed state. The position of the hinge 100 relative to the base 500 is the position of the left tie rod 100 relative to the base 500 when the elevator door is in the open state.
  • the unlocking roller 320 drives the car door lock hook 310 to rotate around the car door lock hook shaft 330 under the action of the driving hook 140, thereby locking the car door hook. 310 is disengaged from the locking range of the car door lock 340 to unlock the car door.
  • the structure of the driving hook 140 may be various.
  • the driving hook 140 has an L shape, and the L-shaped long side is fixedly connected to the left binding rod 100, and the short side is parallel to the side of the left binding rod 100, and the short side is short.
  • the above-described card slot is formed at an interval from the left tie rod 100.
  • the car door locking hook 310 has a locking hook flange 311, and the car door locking hook 310 is engaged with the car door locking seat 340 by the locking hook flange 311.
  • the car door lock 340 can be configured in various forms.
  • the car door lock 340 is a limit block structure, and the limit block is disposed on a linear stroke of the car door lock hook 310 horizontally moving.
  • the car door lock hook 310 rotates around the car door lock hook shaft 330, and the lock hook flange 311 does not interfere with the limit block.
  • the car door 700 can continue to move in the door opening direction; otherwise, the hook hook 311 interferes with the limiting block to prevent the car door 700 from continuing to move in the door opening direction.
  • the car door lock 340 may also be a structure of an annular hook, and the hook hook 311 is inserted into the hook to be in a locked state, otherwise it is in an unlocked state.
  • the car door lock assembly 300 further includes a weight block 350, and the weight block 350 is coupled to the car door lock hook 310; the weight block 350 and the car door lock hook 310 are respectively located on both sides of the car door lock hook shaft 330.
  • the weight 350 is used to balance the car door lock assembly 300 to prevent the car door lock hook 310 from rotating under the force of gravity, resulting in the car door 700 being accidentally opened.
  • the car door lock assembly 300 further includes a rescue rope 360, one end of which is coupled to the unlocking roller 320.
  • the rescue rope 360 is used in a special case, for example, when the car does not reach the leveling area, if it is necessary to open the car door 700, the rescue line 360 can be pulled down, thereby unlocking the car door lock assembly 300 and opening the car door 700.
  • the elevator door lock device further includes a safety circuit switch.
  • the safety circuit switch includes a switch body 371 and a switch triggering member 372.
  • the switch body 371 is disposed in the car door upper 710, and the switch triggering member 372 is disposed on the car door lock hook 310; when the car door lock assembly 300 is in the unlocked state, the switch trigger member 372 is in contact with the switch body 371 to form a conductive car door closing safety circuit.
  • the safety circuit switch is used to connect or disconnect the elevator door system safety circuit to detect whether the elevator car door 700 is completely closed.
  • the switch triggering member 372 is in contact with the switch body 371, and the safety circuit is connected, and the elevator can be operated up and down; As long as it is detected that the switch trigger 372 is not in contact with the switch body 371, the elevator will not start to run up and down.
  • the landing door lock assembly 400 further includes a landing door locking hook 420 and a landing door locking hook shaft 440 that is rotatably rotatably by the landing door locking hook shaft 440 Connected to the upper door sill; the roller assembly 410 is rotatably coupled to the landing door locking hook 420; the landing door upper dam is provided with a layered door locking seat 430, the landing door locking seat 430 is engaged with the landing door locking hook 420; When the lock assembly 400 is in the unlocked state, the landing door lock 430 can define a range of displacement of the level door lock hook 420 for horizontal movement.
  • the right tie rod 200 pushes the roller assembly 410 to rotate, and the layer door lock hook 420 rotates around the layer door lock hook shaft 440 due to the frictional force.
  • the detachment of the landing door lock 430 enables unlocking of the landing door (as shown in Fig. 11, the landing door lock hook 420 is changed from a solid line to a broken line).
  • the layer door lock hook 420 is provided with a gap
  • the layer door lock seat 430 is provided with a card edge that cooperates with the gap. When not unlocked, the gap is stuck on the card edge.
  • the layer door lock hook 420 where the roller assembly 410 is driven is rotated to disengage the gap from the card edge to achieve unlocking.
  • the layer door lock assembly 400 further includes a door lock base 450 that is fixed in the floor door upper dam, and the floor door lock hook 420 is rotatably coupled to the door lock base 450 by the floor door lock hook shaft 440.
  • the door lock base 450 is further provided with a limiting portion for defining a range in which the layer door locking hook 420 is rotated relative to the door lock base 450.
  • the limiting portion can be configured in various forms.
  • the limiting portion includes a limiting hole and a limiting post, and the limiting hole and the limiting post are respectively disposed on the layer door locking hook 420 and the door lock base 450, and The limiting column slides along a range of tracks defined by the limiting holes.
  • the roller assembly 410 includes a first moving wheel 411 and a second moving wheel 412.
  • first moving wheel 411 is adjacent to the right coupling rod 200
  • second moving wheel 412 is adjacent to the left coupling rod 100.
  • the angle between the line connecting the center of the first moving wheel 411 and the center of the second moving wheel 412 and the horizontal direction is zero, when the right binding rod 200 is from the first position.
  • the door opening signal instructs the door motor to output the torque to open the door, and the motor rotation drives the belt 800 to move horizontally to the left, and then drives the right tie rod 200 to rotate counterclockwise to form a horizontal leftward branch.
  • the force thereby pressing the first moving wheel 411 (as shown in FIG. 2), while the layer door locking hook 420 is rotated counterclockwise (as shown in FIG. 12), while the second moving wheel 412 moving synchronously with the first moving wheel 411 presses the left connecting rod
  • the 100 rotates clockwise to drive the drive hook 140 to push the unlocking roller 320 to the left, and drives the car door locking hook 310 to rotate counterclockwise (see FIGS. 3 to 4).
  • the release roller 245 of the limiting component 240 enters the release surface, the long arm 242 falls under the force of gravity, and when the right coupling bar 200 moves to the second position, the bayonet 243 clamps the rotating shaft 221 ( As shown in Fig. 5), the car door 700 is then opened in synchronization with the landing door (Fig. 6).
  • the right tie rod The 200 can overcome the pulling force of the belt 800 to the right and start to rotate counterclockwise, and the subsequent operation principle is the same as a.
  • the tie roller 210 has been along the buffer groove under the action of gravity.
  • the buffer surface of 610 is slowly falling, and the action principle is the same as a, and the process is as shown in Fig. 2 to Fig. 6.
  • the floor door lock hook 420 rotates counterclockwise, and the second moving wheel 412 directly pushes the left tie rod 100 to drive the car door lock hook 310 to rotate counterclockwise to open the door.
  • the door 700 is opened synchronously (Fig. 4).
  • the tie roller 210 of the right tie bar 200 falls along the buffer surface of the buffer groove 610 (principle is the same as b), but In the flat layer, without the action of the first moving wheel 411 and the second moving wheel 412, the left tie rod 100 can not be driven at all, the car door lock hook 310 does not rotate, and when a certain force is applied, the lock hook flange 311 and the car door lock seat 340 forms an interference and the car door 700 cannot continue to be opened (Fig. 7).
  • the difference is that the right tie rod 200 is rotated counterclockwise by the belt 800 (for example, in the case of systematic misunderstanding of the leveling layer, etc.), but since the leveling layer is not leveled, there is no effect of the first moving wheel 411 and the second moving wheel 412. Therefore, the left tie rod 100 cannot be driven at all times, and the car door cannot be opened (as shown in Fig. 7).
  • the door motor blocking force disappears (ie, the pulling force of the belt 800 to the right of the right tie rod 200 disappears), and the right tie rod 200 falls under the force of gravity due to the buffer groove 610
  • the buffering surface acts against the frictional force of the tying roller 210, so that the falling speed of the right tying rod 200 is relatively slow (as shown in FIG. 13), and the impact speed of the right tying rod 200 on the door lock assembly 400 is greatly reduced, thereby effectively preventing the right ties.
  • the hit bar 200 hits the roller assembly 410.
  • the elevator door lock device provided by the embodiment of the invention can be applied to various van elevators, so that the elevator applying the elevator door lock device is reliable in operation, and the synchronization of the landing door and the car door is high, and can guarantee any situation as long as When the elevator is parked in the unlocking area, the car door can be opened from the car according to the demand, and the impact of the door knife on the door lock can be avoided in an emergency situation, thereby avoiding damage of the equipment.

Abstract

一种电梯门锁装置，包括：左系合杆（100）、右系合杆（200）、轿门锁组件（300）、层门锁组件（400）和底座（500）。左系合杆（100）、右系合杆（200）和轿门锁组件（300）均与底座（500）可转动地连接；层门锁组件（400）安装在层门上，层门锁组件（400）包括滚轮组件（410）；右系合杆（200）在皮带（800）的带动下能够相对于底座（500）在第一位置和第二位置之间往复转动，右系合杆（200）由第一位置向第二位置运动的过程中，右系合杆（200）推动滚轮组件（410），使层门锁组件（400）解锁，同时滚轮组件（410）推动左系合杆（100），使轿门锁组件（300）解锁。该电梯门的开启方式是依次解锁层门锁和轿门锁，最终使轿门和层门联动开启，避免了轿门在开门过程中轿门锁卡死的情况，提高了电梯运行的可靠性和美观感。

Description

电梯门锁装置 技术领域
本发明涉及电梯技术领域，特别是涉及一种电梯门锁装置。
背景技术
电梯的普遍使用给人们的生活带来了很大便利，与此同时，电梯的安全性能也日益受到关注。
电梯的门锁装置，其主要功能是为了保证电梯在非平层区时，轿门不能被打开，以确保乘客安全。当轿厢在工作过程中由于停电或者故障停留在非平层区域时，轿厢内的乘客可能会打算通过自己的力量来脱身或者轿厢内的乘客可能在电梯运行的过程中无谓地打开轿厢门。在这种情况下，就可能导致乘客掉落进井道之中或者露面平台上出现人员的安全事故。因此，需要在轿厢中安装门锁装置，保证电梯在非平层区域时，轿厢门不能被打开。
传统的电梯异步门系统都是依靠轿门行程触发轿厢门锁和层门锁的解开，即当电梯到达平层时，轿厢门带动右侧门刀向左移动，右侧门刀与层门锁动滚轮相切，轿厢门继续向左移动，轿厢门锁钩打开；轿厢门继续向左移动使得层门锁动滚轮和层门锁静滚轮相贴，从而层门锁打开，轿厢门继续向左移动，使得层门锁静滚轮与左侧门刀相切，最终左侧、右侧门刀夹紧层门锁静滚轮和层门锁动滚轮，使层门和轿门实现联动打开。但是这种电梯门开启方式，是轿门先开启后解锁轿厢门锁和层门锁，有时会造成轿厢门在开门过程中轿厢门锁钩卡死的问题，造成电梯运行不畅，且存在安全隐患，另外，乘客能够从轿厢内看到层门内壁，缺乏美观。
发明内容
基于此，有必要针对传统的电梯轿厢门先开门再解锁，运行不可靠等问题，提供一种安全可靠，符合标准的电梯门锁装置。
上述目的通过以下技术方案实现：
一种电梯门锁装置，包括：左系合杆、右系合杆、轿门锁组件、层门锁组件和底座；底座与轿门连接；
左系合杆、右系合杆和轿门锁组件均与底座可转动地连接，且左系合杆和右系合杆相对设置；
层门锁组件安装在层门上，层门锁组件包括滚轮组件，当轿门与层门平层时，滚轮组件位于左系合杆和右系合杆之间；右系合杆在皮带的带动下能够相对于底座在第一位置和第二位置之间往复转动；
右系合杆由第一位置向第二位置运动的过程中，右系合杆推动滚轮组件，使层门锁组件解锁，同时滚轮组件推动左系合杆相对于底座转动，使轿门锁组件解锁。
在其中一个实施例中，电梯门锁装置还包括缓冲机构，缓冲机构设置在轿门上坎内；右系合杆由第一位置向第二位置运动的轨迹的高度逐渐下降；缓冲机构具有缓冲面，右系合杆在第一位置和第二位置之间往复运动的过程中，右系合杆的上端始终与缓冲面接触。
在其中一个实施例中，缓冲机构包括缓冲槽，缓冲槽的槽面形成缓冲面；右系合杆的上端设置有系合滚轮，右系合杆在第一位置和第二位置之间往复运动的过程中，系合滚轮始终与缓冲面接触。
在其中一个实施例中，电梯门锁装置还包括相对间隔平行的第一系合臂和第二系合臂，第一系合臂的两端分别与右系合杆和底座铰接，第二系合臂的两端分别与右系合杆和底座铰接；
以及相对间隔平行的第三系合臂和第四系合臂，第三系合臂的两端分别与左系合杆和底座铰接，第四系合臂的两端分别与左系合杆和底座铰接。
在其中一个实施例中，电梯门锁装置还包括限位组件，限位组件包括旋转座、长臂和短臂，旋转座与底座转动连接，长臂的一端与旋转座连接，另一端设置有卡口；短臂的一端与旋转座连接，另一端设置有释放滚轮；短臂的质量小于长臂的质量，短臂与长臂呈锐角设置；
第一系合臂与右系合杆通过转轴连接；当右系合杆运动至第二位置时，卡口能够卡接在转轴上；
轿门上坎内设置有与释放滚轮配合的释放槽，释放槽具有释放面，右系合杆由第二位置向第一位置运动的过程中，释放滚轮与释放面接触。
在其中一个实施例中，电梯门锁装置还包括右系合定位组件，右系合定位组件设置在底座上，用于限定右系合杆相对于底座的转动范围在第一位置和第二位置之间；
以及左系合定位组件，左系合定位组件设置在底座上；左系合定位组件包括弹性支撑件和定位件，弹性支撑件与第三系合臂连接，以提供对左系合杆的支撑作用力；定位件位于左系合杆的上端的上方，以限定左系合杆向上的位移范围。
在其中一个实施例中，轿门锁组件包括轿门锁钩、解锁滚轮和轿门锁钩轴，轿门锁钩通过轿门锁钩轴可转动地连接于底座上；
轿门上坎内设置有轿门锁座，轿门锁座与轿门锁钩配合；当轿门锁组件处于未解锁状态时，轿门锁座能够限定轿门锁钩水平运动的位移范围；左系合杆上设置有驱动挂钩；驱动挂钩与左系合杆之间形成卡槽；解锁滚轮与轿门锁钩连接，且位于卡槽中。
在其中一个实施例中，轿门锁组件还包括配重块，配重块与轿门锁钩连接；配重块与轿门锁钩分别位于轿门锁钩轴的两侧。
在其中一个实施例中，层门锁组件还包括层门锁钩、层门锁钩轴和门锁底座，门锁底座 固定在层门上坎内，层门锁钩通过层门锁钩轴与门锁底座转动连接；滚轮组件转动连接在层门锁钩上；
层门上坎内设置有层门锁座，层门锁座与层门锁钩配合；当层门锁组件处于未解锁状态时，层门锁座能够限定层门锁钩水平运动的位移范围。
在其中一个实施例中，滚轮组件包括第一动轮和第二动轮，当轿门与层门平层时，第一动轮靠近右系合杆，第二动轮靠近左系合杆。
上述电梯门锁装置，电梯到达平层区后，滚轮组件落入左系合杆和右系合杆之间，右系合杆在皮带的带动下向开门方向运动，推动滚轮组件，层门锁解锁，此时轿门未开启，同时滚轮组件推动左系合杆，使轿门锁解锁，皮带继续运动，由于左系合杆和右系合杆夹紧滚轮组件，因此层门和轿门实现联动打开。而当电梯在非平层区时，由于没有滚轮组件，左系合杆始终无法被推动，因此轿门锁始终无法被打开。这样，能够保证电梯的运行安全，且电梯门的开启方式是依次解锁层门锁和轿门锁，最终使轿门和层门联动开启，避免了轿门在开门过程中轿门锁卡死的情况，提高了电梯运行的可靠性，也提高了电梯的美观感。
附图说明
图1为本发明实施例提供的电梯门锁装置在平层区未动作的状态示意图；
图2为本发明实施例提供的电梯门锁装置在平层区，层门锁组件临解锁的状态示意图；
图3为本发明实施例提供的电梯门锁装置在平层区，层门锁组件处于打开过程中，轿门锁组件临解锁的状态示意图；
图4为本发明实施例提供的电梯门锁装置在平层区，层门锁组件及轿门锁组件处于完全打开状态的示意图；
图5为本发明实施例提供的电梯门锁装置在平层区，轿门开启过程中，限位组件锁定右系合杆的状态示意图；
图6为本发明实施例提供的电梯门锁装置在平层区，左系合杆、右系合杆夹紧滚轮组件，轿门和层门联动开启的运动状态图；
图7为本发明实施例提供的电梯门锁装置在非平层区轿门开启受阻的状态示意图；
图8为本发明实施例提供的电梯门锁装置的轿门锁组件的结构示意图；
图9为本发明实施例提供的电梯门锁装置的限位组件的结构示意图；
图10为本发明实施例提供的电梯门锁装置的层门锁组件的结构示意图；
图11为本发明实施例提供的电梯门锁装置的层门锁组件的解锁动作示意图；
图12为本发明实施例提供的电梯门锁装置的左系合杆、右系合杆驱动层门锁组件、轿门锁组件打开的示意图；
图13为本发明实施例提供的电梯门锁装置，当电机堵转力消失时，右系合杆缓慢下落的 过程图。
其中：
100-左系合杆；
110-第三系合臂；120-第四系合臂；
131-弹性支撑件；132-定位件；
140-驱动挂钩；
200-右系合杆；
210-系合滚轮；
220-第一系合臂；221-转轴；
230-第二系合臂；
240-限位组件；241-旋转座；242-长臂；243-卡口；
244-短臂；245-释放滚轮；
250-释放槽；
261-第一定位部；262-第二定位部；
300-轿门锁组件；
310-轿门锁钩；311-锁钩弯边；
320-解锁滚轮；330-轿门锁钩轴；
340-轿门锁座；350-配重块；360-救援绳；
371-开关主体；372-开关触发件；
400-层门锁组件；
410-滚轮组件；411-第一动轮；412-第二动轮；
420-层门锁钩；430-层门锁座；440-层门锁钩轴；450-门锁底座；500-底座；
600-缓冲机构；
610-缓冲槽；
700-轿门；
710-轿门上坎；
800-皮带。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下通过实施例，并结合附图，对本发明的电梯门锁装置进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
需要说明的是，当元件被称为“固定于”另一个元件，它可以直接在另一个元件上或者 也可以存在居中的元件。当一个元件被认为是“连接”另一个元件，它可以是直接连接到另一个元件或者可能同时存在居中元件。相反，当元件被称作“直接在”另一元件“上”时，不存在中间元件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。
如图1所示，本发明一实施例的电梯门锁装置，包括：左系合杆100、右系合杆200、轿门锁组件300、层门锁组件400和底座500；底座500与轿门700连接；左系合杆100、右系合杆200和轿门锁组件300均与底座500可转动地连接，且左系合杆100和右系合杆200相对设置；层门锁组件400安装在层门上，层门锁组件400包括滚轮组件410，当轿门700与层门平层时，滚轮组件410位于左系合杆100和右系合杆200之间；右系合杆200在皮带800的带动下能够相对于底座500在第一位置和第二位置之间往复转动，右系合杆200由第一位置向第二位置运动的过程中，右系合杆200推动滚轮组件410，使层门锁组件400解锁，同时滚轮组件410推动左系合杆100，使轿门锁组件300解锁。
上述第一位置为电梯门处于关闭状态下右系合杆200相对于底座500所在的位置，第二位置为电梯门处于开启状态下右系合杆200相对于底座500所在的位置，右系合杆200由第一位置向第二位置运动的过程为电梯门开启的初始阶段电梯门解锁的过程，右系合杆200由第二位置向第一位置运动的过程为电梯门关闭的末阶段电梯门闭锁的过程。本实施例中，水平向左为轿门700打开的方向，水平向右为关闭轿门700的方向。
参见图2至图6，以及图12，其中图12中虚线表示处于解锁状态时各部件的结构关系，实线表示处于非解锁状态时各部件的结构关系。电梯在非平层区时，由于层门滚轮组件410没有落入左系合杆100和右系合杆200之间，即使皮带800向左运动带动右系合杆200由第一位置运动到第二位置，也无法推动左系合杆100，不能解锁轿门，因此无法开启轿门700；电梯到达平层区后，层门上的滚轮组件410落入左系合杆100和右系合杆200之间，右系合杆200在皮带800的带动下由第一位置向第二位置运动，右系合杆200推动滚轮组件410，使滚轮组件410所在的层门解锁，此时层门和轿门700并未开启，同时滚轮组件410靠近左系合杆100，最终推动左系合杆100运动，使轿门解锁。皮带800继续向左运动，由于左系合杆100和右系合杆200夹紧滚轮组件410，因此层门和轿门700实现联动打开。这样，电梯门的开启方式是依次解锁层门锁和轿门锁，最终使轿门和层门联动开启，避免了轿门在开门过程中轿门锁卡死的情况，提高了电梯运行的可靠性，提高了层门和轿门的同步性，也提高了电梯的美观感。
进一步地，电梯门锁装置还包括缓冲机构600，缓冲机构600设置在轿门上坎710内；右系合杆200由第一位置向第二位置运动的轨迹的高度逐渐下降；缓冲机构600具有缓冲面，右系合杆200在第一位置和第二位置之间往复运动的过程中，右系合杆200的上端始终与缓冲面接触。右系合杆200在第一位置和第二位置之间往复运动的过程中，右系合杆200的上 端始终与缓冲面接触，也就是说缓冲机构600的缓冲面能够配合右系合杆200的运动轨迹，使得右系合杆200的运动比较平缓，这样，如果轿厢在非平层区域停电，在轿厢移至平层区域的过程中，右系合杆200在重力作用下发生转动，缓冲机构600的缓冲面能够有效减缓右系合杆200对层门滚轮的撞击速度，避免设备的损坏。并且不论因为任何原因当电梯停在平层区时，想从轿厢内打开轿门700，当采用一定的扒动轿门700时，缓冲机构600的缓冲面会对右系合杆200产生向下的挤压作用力，使得右系合杆200由第一位置向第二位置运动，最终能够联动开启轿门700和层门。这样，相比较传统的电梯，该装置能够保证任何情况下，只要电梯停在开锁区域内就能根据需求从轿厢内打开轿门700，同时能够避免紧急状况时系合杆收缩对滚轮组件410的撞击，免除设备的损坏。
缓冲机构600的结构形式可以有多种，作为一种优选的实施方式，缓冲机构600包括缓冲槽610，缓冲槽610的槽面形成缓冲面；右系合杆200的上端设置有系合滚轮210，右系合杆200在第一位置和第二位置之间往复运动的过程中，系合滚轮210始终与缓冲面接触。当轿门700位于平层区时，正常状况下，皮带800向左运动带动右系合杆200相对于底座500转动，由于缓冲槽610的作用，右系合杆200的运动较为缓慢，最终右系合杆200靠近并推动滚轮组件410，从而能够使轿门700和层门开启。
当轿门700停在平层区时，若发生突发状况，例如门系统断电，右系合杆200在重力作用下由第一位置运动到第二位置，右系合杆200推动滚轮组件410，滚轮组件410推动左系合杆100，最终轿门700和层门开启。若电梯停在平层区，门系统带电，但是皮带800发生故障始终向右张紧，轿门700无法正常开启，此时用力扒轿门700，轿门700有向左运动的趋势，与轿门700连接的底座500也有向左运动的趋势，于是转动连接在底座500上的右系合杆200在缓冲槽610的作用下，开始由第一位置向第二位置运动，最终也能够开启轿门700和层门。
其中，缓冲槽610的形状可以是直线形、折线形，也可以圆弧形，或者是圆弧形与直线形的结合，因此缓冲面可以是平面、折弯面、圆弧面，或者是圆弧面与平面的结合。优选地，缓冲槽610为圆弧形和直线形的结合，缓冲槽610沿着电梯门开启的方向依次为圆弧形槽和直线形槽。缓冲槽610圆弧形槽的槽面即为与系合滚轮210接触的缓冲面，其延伸轨迹为系合滚轮210外圆相对于底座500转动的轨迹。缓冲槽610的直线形槽为沿水平方向延伸的一段。
在其他实施例中，缓冲机构600还可以包括缓冲板，缓冲板的下表面为上述缓冲面。
作为一种优选的实施方式，电梯门锁装置还包括相对间隔平行的第一系合臂220和第二系合臂230，第一系合臂220的两端分别与右系合杆200和底座500铰接，第二系合臂230的两端分别与右系合杆200和底座500铰接。为了优化结构，避免相互之间形成干涉，可将第一系合臂220、第二系合臂230与底座500铰接的一端设置在右系合杆200远离左系合杆 100的一侧，其中，第一系合臂220的上端与右系合杆200的上端铰接，第一系合臂220的下端与底座500铰接，第二系合臂230的上端与右系合杆200的下端铰接，第二系合臂230的下端与底座500铰接。通过第一系合臂220和第二系合臂230，使右系合杆200可绕底座500转动，并始终能够保持竖直状态，保证右系合杆200运动的稳定性。
作为一种优选的实施方式，电梯门锁装置还包括相对间隔平行的第三系合臂110和第四系合臂120，所述第三系合臂110的两端分别与所述左系合杆100和所述底座500铰接，所述第四系合臂120的两端分别与所述左系合杆100和所述底座500铰接。为了优化结构，避免相互之间形成干涉，可将第三系合臂110、第四系合臂120与底座500铰接的一端设置在左系合杆100远离右系合杆200的一侧，其中，第三系合臂110的下端与左系合杆100的下端铰接，第三系合臂110的上端与底座500铰接，第四系合臂120的下端与左系合杆100的上端铰接，第四系合臂120的上端与底座500铰接。通过第三系合臂110和第四系合臂120，使左系合杆100可绕底座500转动，并始终能够保持竖直状态，保证左系合杆100运动的稳定性。
参见图1和图9，作为一种优选的实施方式，电梯门锁装置还包括限位组件240，限位组件240包括旋转座241、长臂242，旋转座241与底座500转动连接，长臂242的一端与旋转座241连接，另一端设置有卡口243；第一系合臂220与右系合杆200通过转轴221连接；当右系合杆200运动至第二位置时，卡口243能够卡接在转轴221上(如图5所示)。在轿门700开启的初始阶段，当右系合杆200运动至第二位置时，轿门700开启，卡口243卡接在转轴221上，使得右系合杆200能够相对固定不窜动，更好地避免在后续轿门700的开启过程中，右系合杆200在皮带800的带动下发生位移，不能很好地夹紧层门滚轮组件410。
进一步地，限位组件240还包括短臂244，短臂244的一端与旋转座241连接，另一端设置有释放滚轮245；短臂244的质量小于长臂242的质量，短臂244与长臂242呈锐角设置；轿门上坎710内设置有与释放滚轮245配合的释放槽250，释放槽250具有释放面，右系合杆200由第二位置向第一位置运动的过程中，释放滚轮245与释放面接触。其中，释放槽250的结构形成可以有多种，其形状可以是直线形、圆弧形或者直线形和圆弧形的结合等，因此释放面可以是平面、折弯面、圆弧面，或者是圆弧面与平面的结合。例如，释放槽250的形状为直线形和圆弧形的结合，释放槽250沿着电梯门开启的方向依次为直线形槽和圆弧形槽。释放槽250的圆弧形槽的槽面即为用于与释放滚轮245接触的释放面，其延伸轨迹与释放滚轮245运动的轨迹的形状一致。释放槽250的直线形槽为沿水平方向延伸的一段。
在轿门700开启的初始阶段，限位组件240在重力作用下长臂242端自然下垂(如图1所示)，抵靠在右系合杆200的左侧，此时释放滚轮245与释放槽250圆弧形槽的下端接触，轿门700继续开启的过程中，限位组件240发生转动，长臂242端的卡口243卡接在转轴221上，而释放滚轮245摆动至圆弧形槽的上端位置处(如图5所示)。在轿门700关闭的末阶段， 释放滚轮245先接触释放槽250圆弧形槽的上端，轿门700继续关闭的过程中，释放滚轮245沿着释放面向释放槽250圆弧形槽的下端运动，使得长臂242端的卡口243脱出转轴221，从而使得右系合杆200能够在皮带800的拉动下开始向关门方向(水平向右)转动，直至轿门700和层门完全关闭，同时，限位组件240转动复位。这样，通过设置限位组件240，使得轿门700和层门在开启和关闭的过程中，均能够很好地能实现联动，进一步提高层门和轿门700的联动性。
参见图1，作为一种优选的实施方式，电梯门锁装置还包括右系合定位组件，右系合定位组件设置在底座500上，用于限定右系合杆200相对于底座500的转动范围在第一位置和第二位置之间。其中，右系合定位组件可包括第一定位部261和第二定位部262，第一定位部261用于阻止右系合杆200由第二位置运动至第一位置时继续相对于底座500朝第一位置的方向转动，例如，第一定位部261可以为定位螺栓，该定位螺栓设置在右系合杆200的右侧，当右系合杆200运动至第一位置时，右系合杆200的右侧边正好与定位螺栓抵接。第二定位部262用于阻止右系合杆200由第一位置运动至第二位置时继续相对于底座500朝第二位置的方向转动，例如，第二定位部262可以为定位块，该定位块设置在右系合杆200的左侧，当右系合杆200运动至第二位置时，定位块可以与第一系合臂220或者第二系合臂230抵接。
通过右系合定位组件，当电梯处于平层区时，电梯门关闭末阶段，第一定位部261可以保证右系合杆200与层门上的滚轮组件410之间的距离合适。电梯门开启初始阶段，第二定位部262可以保证右系合杆200对滚轮组件410的推动的位移合适。
作为一种优选的实施方式，电梯门锁装置还包括左系合定位组件，左系合定位组件设置在底座500上；左系合定位组件包括弹性支撑件131和定位件132，弹性支撑件131与第三系合臂110连接，以提供对左系合杆100的支撑作用力；定位件132位于左系合杆100的上端的上方，以限定左系合杆100向上的位移范围。
其中，弹性支撑件131可以是压缩弹簧，压缩弹簧的一端与底座500连接，另一端与第三系合臂110连接。定位件132可以是定位柱或者螺钉等。当电梯处于平层区时，电梯门开启初始阶段，左系合定位组件可以保证左系合杆100与层门上的滚轮组件410之间的距离合适，电梯门关闭末阶段，弹性支撑件131还能辅助左系合杆100复位至未被滚轮组件410推动的状态。
参见图1和图8，作为一种优选的实施方式，轿门锁组件300包括轿门锁钩310、解锁滚轮320和轿门锁钩轴330，轿门锁钩310通过轿门锁钩轴330可转动地连接于底座500上；轿门上坎710内设置有轿门锁座340，轿门锁座340与轿门锁钩310配合；当轿门锁组件300处于未解锁状态时，轿门锁座340能够限定轿门锁钩310水平运动的位移范围；左系合杆100上设置有驱动挂钩140，驱动挂钩140与左系合杆100之间形成卡槽；解锁滚轮320与轿门 锁钩310连接，且位于卡槽中。
滚轮组件410推动左系合杆100相对于底座500转动，假设左系合杆100由第三位置运动至第四位置，此处需要说明的是，第三位置为电梯门处于关闭状态下左系合杆100相对于底座500所在的位置，第四位置为电梯门处于开启状态下左系合杆100相对于底座500所在的位置。在左系合杆100由第三位置运动至第四位置的过程中，解锁滚轮320在驱动挂钩140的作用下带动轿门锁钩310绕轿门锁钩轴330转动，从而使轿门锁钩310脱离轿门锁座340的锁定范围，实现轿门的解锁。
其中，驱动挂钩140的结构可以为多种，例如驱动挂钩140呈L形，其L形长边与左系合杆100固连，短边与左系合杆100的侧边平行间隔，短边与左系合杆100之间的间隔形成上述卡槽。当左系合杆100被滚轮组件410挤压时，驱动挂钩140短边部分与解锁滚轮320之间形成滚动摩擦推力，从而驱动轿门锁钩310转动。
进一步地，轿门锁钩310具有一个锁钩弯边311，轿门锁钩310通过锁钩弯边311与轿门锁座340配合。其中，轿门锁座340的结构形式可以多种，例如轿门锁座340为限位块结构，限位块设置在轿门锁钩310水平运动的直线行程上。当左系合杆100在滚轮组件410的作用下由第三位置运动至第四位置时，轿门锁钩310绕轿门锁钩轴330转动，锁钩弯边311不与限位块发生干涉，轿门700可以继续向开门方向运动；否则，锁钩弯边311与限位块发生干涉，阻止轿门700继续向开门方向运动。在其他实施例当中，轿门锁座340还可以是环状挂钩的结构，锁钩弯边311穿入挂钩内为上锁状态，否则为解锁状态。
进一步地，轿门锁组件300还包括配重块350，配重块350与轿门锁钩310连接；配重块350与轿门锁钩310分别位于轿门锁钩轴330的两侧。配重块350用于平衡轿门锁组件300，防止轿门锁钩310在重力作用下发生转动，导致轿门700误开启。
进一步地，轿门锁组件300还包括救援绳360，救援绳360的一端与解锁滚轮320连接。救援绳360用于在特殊情况下，例如轿厢未到达平层区时，若有必要开启轿门700，可以向下拉动救援绳360，从而解锁轿门锁组件300，开启轿门700。
参见图1，作为一种优选的实施方式，电梯门锁装置还包括安全回路开关，安全回路开关包括开关主体371和开关触发件372，开关主体371设置在轿门上坎710内，开关触发件372设置在轿门锁钩310上；当轿门锁组件300处于未解锁状态时，开关触发件372与开关主体371接触，以形成导通的轿门闭合安全回路。安全回路开关用于连接或者断开电梯门系统安全回路，以检测电梯轿门700是否完全关闭。具体地，电梯轿门700在关闭的过程中，左系合杆100由第四位置运动至第三位置时，开关触发件372与开关主体371接触，安全回路连通，电梯方可上下运行；反之，只要检测到开关触发件372与开关主体371没有接触，电梯不会开始上下运行。
参见图10和图11，作为一种优选的实施方式，层门锁组件400还包括层门锁钩420和 层门锁钩轴440，层门锁钩420通过层门锁钩轴440可转动地连接于层门上坎内；滚轮组件410转动连接在层门锁钩420上；层门上坎内设置有层门锁座430，层门锁座430与层门锁钩420配合；当层门锁组件400处于未解锁状态时，层门锁座430能够限定层门锁钩420水平运动的位移范围。在右系合杆200由第一位置运动至第二位置的过程中，右系合杆200推动滚轮组件410转动，由于摩擦力的作用，使得层门锁钩420绕层门锁钩轴440转动脱离层门锁座430，实现层门的解锁(如图11中所示的层门锁钩420由实线到虚线的变化状态)。
进一步地，层门锁钩420上开设有豁口，层门锁座430上设置有与豁口配合的卡边，未解锁时，豁口卡在卡边上。当右系合杆200推动滚轮组件410转动时，带动滚轮组件410所在的层门锁钩420转动，使豁口脱离卡边，实现解锁。
进一步地，层门锁组件400还包括门锁底座450，门锁底座450固定在层门上坎内，层门锁钩420通过层门锁钩轴440与门锁底座450转动连接。
其中，门锁底座450上还设置有限位部，限位部用于限定层门锁钩420相对于门锁底座450转动的范围。其中，限位部的结构形式可以有多种，例如，限位部包括限位孔和限位柱，限位孔和限位柱分别设置在层门锁钩420和门锁底座450上，且限位柱沿着限位孔所限定的轨迹范围滑动。
进一步地，滚轮组件410包括第一动轮411和第二动轮412，当轿门700与层门平层时，第一动轮411靠近右系合杆200，第二动轮412靠近左系合杆100。如图10和图11所示，层门未解锁时，第一动轮411的中心与第二动轮412的中心的连线与水平方向的夹角为零，当右系合杆200由第一位置运动至第二位置的过程中，第一动轮411的中心与第二动轮412的中心的连线与水平方向的夹角逐渐增大，直至层门锁钩420不再相对于门锁底座450继续转动。
以下详细描述电梯在不同工况下该电梯门锁装置的工作过程：
a、平层区电动开门
电梯轿厢到达平层区时(如图1)，开门信号指令门电机输出力矩开门，电机旋转带动皮带800水平向左运动，随之带动右系合杆200逆时针旋转形成水平向左的分力，从而挤压第一动轮411(如图2)，同时层门锁钩420逆时针旋转打开(如图12)，同时与第一动轮411同步运动的第二动轮412挤压左系合杆100使其顺时针旋转，带动驱动挂钩140向左推动解锁滚轮320，驱动轿门锁钩310逆时针旋转打开(如图3至图4)。当轿门700刚打开时，限位组件240的释放滚轮245进入释放面，长臂242在重力作用下下坠，当右系合杆200运动至第二位置时，卡口243卡紧转轴221(如图5)，之后轿门700与层门同步打开(如图6)。
b、平层区轿内手动开门
参见图1，当轿内人员在门电机通电状态下扒轿门700，即驱动轿门700向左运动，在缓冲槽610的缓冲面对系合滚轮210的挤压作用下，右系合杆200能够克服皮带800对其向右 的拉力，开始逆时针旋转，之后的动作原理同a。当轿内人员在门电机断电状态下拉轿门700，由于堵转力消失(即皮带800对右系合杆200向右的拉力消失)，系合滚轮210在重力的作用下已沿缓冲槽610的缓冲面缓慢下落，动作原理同a，过程如图2～图6。
c、平层区厅外开门
当厅外人员用三角匙打开层门锁时，层门锁钩420逆时针旋转，第二动轮412直接推动左系合杆100，带动轿门锁钩310逆时针旋转打开，使层门带动轿门700同步打开(如图4)。
d、非平层区轿内手动开门
当轿厢未达平层，电梯停止，轿内乘客欲扒开轿门700时，右系合杆200的系合滚轮210沿缓冲槽610的缓冲面下落(原理同b)，但是由于未达平层，没有第一动轮411和第二动轮412的作用，左系合杆100始终无法被驱动，轿门锁钩310不转动，当施加一定力时，锁钩弯边311与轿门锁座340形成干涉，轿门700无法继续被打开(如图7)。
e、非平层区电动开门
和d情况相似，区别在于右系合杆200由皮带800带动逆时针旋转(例如系统误认平层等情况下)，但是由于未达平层，没有第一动轮411和第二动轮412的作用，因此左系合杆100始终无法被驱动，无法开启轿门(如图7)。
f、电梯运行过程中急停
电梯急停，且门系统断电时，门电机堵转力消失(即皮带800对右系合杆200向右的拉力消失)，右系合杆200在重力作用下下落，由于缓冲槽610的缓冲面对系合滚轮210的摩擦力作用，使得右系合杆200下落速度比较缓慢(如图13)，大大降低右系合杆200对层门锁组件400的冲击速度，从而有效防止右系合杆200撞坏滚轮组件410。
本发明实施例提供的电梯门锁装置，可以适用于各种厢式电梯，从而使得应用该电梯门锁装置的电梯运行可靠，层门和轿门的同步性高，能够保证任何情况下，只要电梯停在开锁区域内就能根据需求从轿厢内打开轿门，同时能够避免紧急状况时门刀对层门锁的撞击，免除设备的损坏。
以上所述实施例的各技术特征可以进行任意的组合，为使描述简洁，未对上述实施例中的各个技术特征所有可能的组合都进行描述，然而，只要这些技术特征的组合不存在矛盾，都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种电梯门锁装置，其特征在于，包括：左系合杆、右系合杆、轿门锁组件、层门锁组件和底座；所述底座与轿门连接；
    所述左系合杆、所述右系合杆和所述轿门锁组件均与所述底座可转动地连接，且所述左系合杆和所述右系合杆相对设置；
    所述层门锁组件安装在层门上，所述层门锁组件包括滚轮组件，当轿门与层门平层时，所述滚轮组件位于所述左系合杆和所述右系合杆之间；所述右系合杆在皮带的带动下能够相对于所述底座在第一位置和第二位置之间往复转动；
    所述右系合杆由所述第一位置向所述第二位置运动的过程中，所述右系合杆推动所述滚轮组件，使所述层门锁组件解锁，同时所述滚轮组件推动所述左系合杆相对于所述底座转动，使所述轿门锁组件解锁。
  2. 根据权利要求1所述的电梯门锁装置，其特征在于，还包括缓冲机构，所述缓冲机构设置在轿门上坎内；
    所述右系合杆由所述第一位置向所述第二位置运动的轨迹的高度逐渐下降；所述缓冲机构具有缓冲面，所述右系合杆在所述第一位置和所述第二位置之间往复运动的过程中，所述右系合杆的上端始终与所述缓冲面接触。
  3. 根据权利要求2所述的电梯门锁装置，其特征在于，所述缓冲机构包括缓冲槽，所述缓冲槽的槽面形成所述缓冲面；所述右系合杆的上端设置有系合滚轮，所述右系合杆在所述第一位置和所述第二位置之间往复运动的过程中，所述系合滚轮始终与所述缓冲面接触。
  4. 根据权利要求1所述的电梯门锁装置，其特征在于，还包括相对间隔平行的第一系合臂和第二系合臂，所述第一系合臂的两端分别与所述右系合杆和所述底座铰接，所述第二系合臂的两端分别与所述右系合杆和所述底座铰接；
    以及相对间隔平行的第三系合臂和第四系合臂，所述第三系合臂的两端分别与所述左系合杆和所述底座铰接，所述第四系合臂的两端分别与所述左系合杆和所述底座铰接。
  5. 根据权利要求4所述的电梯门锁装置，其特征在于，还包括限位组件，所述限位组件包括旋转座、长臂和短臂，所述旋转座与所述底座转动连接，所述长臂的一端与所述旋转座连接，另一端设置有卡口；所述短臂的一端与所述旋转座连接，另一端设置有释放滚轮；所述短臂的质量小于所述长臂的质量，所述短臂与所述长臂呈锐角设置；
    所述第一系合臂与所述右系合杆通过转轴连接；当所述右系合杆运动至所述第二位置时，所述卡口能够卡接在所述转轴上；
    所述轿门上坎内设置有与所述释放滚轮配合的释放槽，所述释放槽具有释放面，所述右系合杆由所述第二位置向所述第一位置运动的过程中，所述释放滚轮与所述释放面接触。
  6. 根据权利要求4所述的电梯门锁装置，其特征在于，还包括右系合定位组件，所述右 系合定位组件设置在所述底座上，用于限定所述右系合杆相对于所述底座的转动范围在所述第一位置和所述第二位置之间；
    以及左系合定位组件，所述左系合定位组件设置在所述底座上；所述左系合定位组件包括弹性支撑件和定位件，所述弹性支撑件与所述第三系合臂连接，以提供对所述左系合杆的支撑作用力；所述定位件位于所述左系合杆的上端的上方，以限定所述左系合杆向上的位移范围。
  7. 根据权利要求1所述的电梯门锁装置，其特征在于，所述轿门锁组件包括轿门锁钩、解锁滚轮和轿门锁钩轴，所述轿门锁钩通过所述轿门锁钩轴可转动地连接于所述底座上；
    所述轿门上坎内设置有轿门锁座，所述轿门锁座与所述轿门锁钩配合；当所述轿门锁组件处于未解锁状态时，所述轿门锁座能够限定所述轿门锁钩水平运动的位移范围；
    所述左系合杆上设置有驱动挂钩，所述驱动挂钩与所述左系合杆之间形成卡槽；所述解锁滚轮与所述轿门锁钩连接，且位于所述卡槽中。
  8. 根据权利要求7所述的电梯门锁装置，其特征在于，所述轿门锁组件还包括配重块，所述配重块与所述轿门锁钩连接；所述配重块与所述轿门锁钩分别位于所述轿门锁钩轴的两侧。
  9. 根据权利要求1所述的电梯门锁装置，其特征在于，所述层门锁组件还包括层门锁钩、层门锁钩轴和门锁底座，所述门锁底座固定在层门上坎内，所述层门锁钩通过所述层门锁钩轴与所述门锁底座转动连接；所述滚轮组件转动连接在所述层门锁钩上；
    所述层门上坎内设置有层门锁座，所述层门锁座与所述层门锁钩配合；当所述层门锁组件处于未解锁状态时，所述层门锁座能够限定所述层门锁钩水平运动的位移范围。
  10. 根据权利要求1所述的电梯门锁装置，其特征在于，所述滚轮组件包括第一动轮和第二动轮，当轿门与层门平层时，所述第一动轮靠近所述右系合杆，所述第二动轮靠近所述左系合杆。
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CN111456555A (zh) * 2020-04-10 2020-07-28 中国科学院西安光学精密机械研究所 带有铰链式可自脱落舱门的密封舱
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CN111439659B (zh) * 2020-05-28 2024-01-12 上海贝思特门机有限公司 一种外张式集成轿门锁同步门刀
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WO2024055500A1 (zh) * 2022-09-16 2024-03-21 玉环天润航空机械制造有限公司 直升机滑动客舱门

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