WO2018126799A1 - 限位轮装置及包括其的电梯层门门锁组件 - Google Patents

限位轮装置及包括其的电梯层门门锁组件 Download PDF

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Publication number
WO2018126799A1
WO2018126799A1 PCT/CN2017/111380 CN2017111380W WO2018126799A1 WO 2018126799 A1 WO2018126799 A1 WO 2018126799A1 CN 2017111380 W CN2017111380 W CN 2017111380W WO 2018126799 A1 WO2018126799 A1 WO 2018126799A1
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Prior art keywords
wheel
limit
limit wheel
sliding
plate
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PCT/CN2017/111380
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English (en)
French (fr)
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胡安·拉蒙·戈米斯·拉瓦萨
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胡安·拉蒙·戈米斯·拉瓦萨
宁波阿德可门业科技有限公司
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Publication of WO2018126799A1 publication Critical patent/WO2018126799A1/zh

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    • 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

Definitions

  • the invention relates to a limit wheel arrangement, in particular for an elevator landing door lock.
  • the application also relates to an elevator landing door lock assembly including the limit wheel device.
  • the elevator floor door lock assembly generally includes a bracket plate, a lock plate, a limit wheel device, and a sliding wheel device.
  • the limit wheel device includes a limit wheel and a limit wheel fixing rod, wherein one end of the limit wheel fixing rod is fixed on the bracket plate, and the other end protrudes from the bracket plate; the limit wheel is installed in the limit through the hole therein The end of the wheel fixing rod extends.
  • the hole passing through the fixing rod on the limiting wheel is designed to be circular, and the diameter of the circular hole is similar to the diameter of the fixing rod, so that the limiting wheel fixing rod is stuck by the circular hole without Excessive space for activities.
  • the drawback of this design is that if the position of the door knife is not accurate enough during the opening process of the landing door, it is easy to appear that the locking arm has not been detached from the hooking member, that is, the locking wheel has not been opened, the limiting wheel The doorknife on one side has abutted against the fixed limit wheel and cannot continue to move, so that the landing door cannot be opened, and it is difficult to ensure that the landing door of the elevator can be opened simultaneously with the hall door, thereby causing a series of elevator safety accidents.
  • the position where the doorknob is inserted may cause deviations in the industry, and the limit wheel is also narrowly applicable. Generally, it can only be applied to elevator door locks with the same unlocking distance, which will be very large. To the extent of increasing the cost of elevator door lock production. Therefore, it is very important and valuable to provide a limit wheel device and an elevator door lock assembly with higher accuracy and higher applicability for improving elevator safety and reducing industrial cost.
  • the object of the present invention is to overcome the deficiencies in the prior art, to provide a limit wheel device for a door lock assembly in an elevator landing door with wider applicability and higher accuracy, and a limit device including the same Elevator door door lock assembly for wheel sets.
  • Limit wheel device for elevator door door lock assembly comprising limit wheel fixing rod and limit Wheel, elastic biasing device.
  • the limiting wheel fixing rod is fixed at one end to the bracket plate, and the other end protrudes from the bracket plate;
  • the limiting wheel comprises a sliding slot and a rotation defining block;
  • the elastic biasing device comprises an acting portion disposed against the limiting wheel.
  • the sliding groove is formed into a substantially oblong shape, and its longitudinal direction is substantially in a horizontal direction, so that the limiting wheel can move along the oblong sliding groove relative to the limiting wheel fixing rod within a certain range.
  • the resilient biasing means is arranged such that when the limit wheel retaining rod is located at one end of the sliding groove adjacent the action portion of the resilient biasing means, the resilient biasing means is in an equilibrium position.
  • the rotation defining block protrudes from the limiting wheel along the longitudinal direction of the sliding groove to limit the rotation movement of the limiting wheel.
  • the acting portion on the elastic biasing device generates a resilient biasing force on the limiting wheel when the limiting wheel is subjected to the force directed to the acting portion to limit the excessive movement of the limiting wheel to a certain extent, and is applied to After the force on the limit wheel is withdrawn, the limit wheel is returned to its equilibrium position with respect to the limit wheel fixed rod.
  • the action portion further includes a rotation defining portion that cooperates with the rotation defining block of the defining wheel to function to limit the rotation of the limit wheel.
  • the elastic biasing means may be provided as an L-shaped elastic piece, one leg of which is sleeved on the limiting wheel fixing rod, and the other leg abuts against the limiting wheel as the action part .
  • stop wheel means is further arranged such that one end of the sliding groove adjacent the action portion of the resilient biasing means is located at the center of the limit wheel.
  • the limiting wheel device is further configured such that the rotation defining block is disposed on the extending portion extending axially rearward from the wheel of the limiting wheel, and the acting portion of the elastic biasing device abuts Rely on the extension.
  • a portion of the extension portion is substantially planar such that a portion of the wheel rim constitutes a mounting portion that projects radially toward a planar portion of the extension portion and the resilient biasing device The front end of the acting portion abuts against the rear side of the mounting portion.
  • the rotation defining portion may be provided as a hole or an open groove adapted to be sleeved on the rotation defining block.
  • the elevator floor door lock assembly includes a bracket plate, a lock plate, a limit wheel device, and a sliding wheel device.
  • the locking member plate is rotatably mounted to the bracket plate around the locking member mounting rod fixed to the bracket plate;
  • the limiting wheel device is any one of the above-mentioned limiting wheel devices and is mounted to the other end of the limiting wheel fixing rod to a bracket plate;
  • the sliding wheel device includes a sliding wheel mounting rod and a sliding wheel.
  • the sliding wheel mounting rod is mounted to the bracket plate through a mounting slot on the bracket plate, the mounting slot is oblong and at an angle to the horizontal direction, so the sliding wheel mounting rod can be moved along the mounting slot, and the sliding wheel mounting rod is further One end through A mounting hole is disposed on the locking plate, and the sliding wheel is sleeved on the other end of the sliding wheel mounting rod.
  • the slide wheel mounting rod is at one end of the slide wheel mounting groove near the limit wheel device.
  • the elevator landing door lock assembly can add a weight member that is secured to the lock plate and biases the lock plate to its lock using the weight of the weight member position.
  • the lock plate is configured to bias the lock plate to its locked position by its own weight. For example, it can be created by its gravity moving away from its locking arm to create a rotational moment that biases the locking plate to its horizontal locking position.
  • an electrical contact device can be provided on the locking arm of the locking plate, the electrical contact device causing the corresponding electrical device to be in an on state when the locking plate is in the locked position, and rotating the locking plate away from the locking position The corresponding electrical device is disconnected.
  • An advantage of the present invention is that since the sliding groove for the limit wheel is disposed in an oblong shape, the limit wheel can be moved within a certain range along the sliding groove. At the same time, the elastic biasing device is added, and the excessive movement and the rotational movement of the limiting wheel can be restricted to a certain extent, so as to truly reach the limit position.
  • the same limit wheel device can also be applied to elevator door locks with different unlocking distances, which improves the applicability of the limit wheel device, thereby reducing the industrial cost of the elevator door lock.
  • Figure 1 is a perspective view of a limit wheel device in accordance with one embodiment of the present invention.
  • FIG. 2A is a perspective view of a limit wheel in accordance with an embodiment of the present invention.
  • 2B is a front elevational view of a limit wheel in accordance with an embodiment of the present invention.
  • 3A is a top plan view of a limit wheel device in a mounted state, in accordance with an embodiment of the present invention.
  • 3B is a side rear elevational view of the limit wheel device in a mounted state, in which the bracket plate is not shown, in accordance with an embodiment of the present invention
  • FIG. 4A is a front view of a door lock assembly in a locked state, in accordance with one embodiment of the present invention.
  • 4B is a front elevational view of the door lock assembly in an unlocked state, wherein the limit wheel fixing rod is located at one end of the sliding groove of the limit wheel, in accordance with an embodiment of the present invention
  • 4C is a front elevational view of the door lock assembly in an unlocked state, wherein the limit wheel fixing rod is located at the other end of the sliding groove of the limit wheel, in accordance with an embodiment of the present invention
  • Figure 5 is a rear elevational view of the door lock assembly of Figure 4C;
  • Figure 6 is a front elevational view of the door lock assembly in an unlocked state in accordance with another embodiment of the present invention.
  • Figure 7 is a rear elevational view of the door lock assembly of Figure 6.
  • the present invention provides a limit wheel assembly 30 for a door lock assembly for an elevator landing door.
  • the limit wheel device 30 includes a limit wheel fixing rod 32, a limit wheel 31 and a resilient biasing device 33.
  • One end of the limiting wheel fixing rod 32 is fixed to the bracket plate 10, and the other end protrudes from the bracket plate 10.
  • the limiting wheel 31 includes a sliding slot 311 and a rotation defining block 312.
  • the elastic biasing device 33 is an L-shaped elastic piece.
  • One leg 331 is sleeved on the limit wheel fixing rod 32, and the other leg 332 is abutted against the limit wheel 31 in the horizontal direction as an elastic bias when the limit wheel 31 receives a force directed toward the action portion 332.
  • the force acting portion 332 is shown in Figures 3A and 3B.
  • the resilient biasing means may be in other forms or otherwise mounted as long as it can perform the function of the L-shaped shrapnel.
  • the sliding groove 311 of the limiting wheel 31 has a substantially elliptical shape, and its longitudinal direction is substantially in the horizontal direction.
  • the limit wheel 31 is attached to one end of the limit wheel fixing rod 32 through the sliding groove 311, and is movable relative to the limit wheel fixing rod 32 through the sliding groove 311.
  • the elastic biasing means 33 is arranged such that when the limit wheel fixing lever 32 is located at an end of the sliding groove 311 close to the elastic biasing device acting portion 332, the acting portion of the elastic biasing means is in an equilibrium position. Thereby, when the limit wheel 31 is moved toward the elastic biasing device acting portion 332 by an external force, the acting portion 332 generates an elastic force against the movement of the limit wheel 31. And, when the external force acting on the limit wheel 31 is removed, the elastic biasing means acting portion 332 returns the limit wheel to its equilibrium position.
  • one end of the sliding groove 311 near the acting portion 332 is located at the center of the limiting wheel 31. This is for example to ensure that the action portion 332 is still in the elastic phase even when the limit wheel 31 is displaced maximally with respect to the limit wheel fixing rod 32, in order to balance the limit wheel 31 with respect to the limit wheel fixing rod 32.
  • the range of movement is for example to ensure that the action portion 332 is still in the elastic phase even when the limit wheel 31 is displaced maximally with respect to the limit wheel fixing rod 32, in order to balance the limit wheel 31 with respect to the limit wheel fixing rod 32.
  • the limit wheel device includes a rotation defining block 312 that projects from the limit wheel 31 along the longitudinal direction of the sliding groove 311.
  • the resilient biasing means can include a rotation defining portion 333, as shown in Figure 3B.
  • the rotation defining portion may be in the form of an open slot as shown, or in the form of a hole adapted to fit over the rotatable defining block 312.
  • the rotation defining block 312 is disposed on an extension 314 extending axially rearward from the wheel edge 313 of the limiting wheel 31, and the resilient biasing The action portion 332 of the device 33 abuts against the extension portion 314.
  • a portion of the extending portion 314 may be substantially planar, such that a portion of the wheel rim 313 constitutes a mounting portion 315 that protrudes radially from the plane of the extending portion 314. a portion, and the front end of the acting portion 332 of the elastic biasing device 33 abuts against the rear side of the mounting portion 315
  • the present invention also provides an elevator floor door lock assembly 1 comprising a bracket plate 10, a lock plate 21, a limit wheel device 30 and a slide wheel device 40.
  • the lock plate 21 is rotatably mounted to the bracket plate 10 about a lock mounting rod 22 fixed to the bracket plate 10.
  • the limit wheel device 30 is attached to the bracket plate 10 by the other end of the limit wheel fixing rod 32.
  • the sliding wheel device 40 includes a sliding wheel mounting rod 41 and a sliding wheel 42.
  • One end of the slide wheel mounting lever 41 is attached to the bracket plate 10 by an oblong slide wheel mounting groove 11 provided on the bracket plate 10, and is movable in the slide wheel mounting groove 11, which is formed in the horizontal direction At a certain angle, and wherein the other end of the slide wheel mounting rod 41 passes through a mounting hole provided in the lock piece 21, the slide wheel 42 is sleeved on the other end of the slide wheel mounting rod 41.
  • the limiting wheel 31 is in its equilibrium position, and the limiting wheel fixing rod 32 is located at the sliding groove 311 of the limiting wheel 31 away from the sliding wheel device.
  • the slide wheel mounting lever 41 is at one end of the slide wheel mounting groove 11 adjacent to the limit wheel device 30.
  • the sliding wheel mounting rod 41 moves in the sliding wheel mounting groove 11, thereby driving the locking member plate 21 to rotate away from the locking position.
  • the lock arm 211 is disengaged from its corresponding hook member, and the door lock assembly is unlocked, as shown in FIGS. 4B, 4C, 5, 6, and 7.
  • the rotation of the lock plate 21 is limited by the movement of the left door knife. For example, when the left doorknife contacts the limit wheel 31 and cannot continue to move to the left, since the movement of the two doorknifes is related to each other, the right side door knife cannot continue to move to the right, and the lock plate cannot continue to rotate.
  • a possible failure is that when the left door knife has been limited by the limit wheel 31, the right side door knife has not driven the lock member plate 21 to rotate into the unlocked position, at this time the elevator layer The doorkeeper could not be opened.
  • the limiting wheel 31 since the limiting wheel 31 includes a sliding groove 311, the limiting wheel 31 can be horizontally moved relative to the limiting wheel fixing rod 32 through the sliding groove 311, for example, from The position shown in Fig. 4C is moved to the position shown in Fig. 4B. This improves the failure of the door lock assembly to be unlocked due to deviations in the initial position of the doorknife.
  • the lock piece 21 has not rotated into the unlocked position, and the left side door knife can still continue to move to the left, and simultaneously
  • the limiting wheel 31 moves along the oblong sliding groove 311 in a substantially horizontal direction, so that the right side door knife at one end of the sliding wheel 42 can continue to drive the locking member plate 21 to rotate away from the locking position until the locking arm 211 is disengaged from the locking arm 211.
  • the corresponding door hook door is thereby unlocked.
  • the limit wheel fixing rod 32 is located at one end of the sliding groove 311 near the action portion 332 for the next unlocking of the door lock assembly.
  • the biasing of the locking member plate 21 to its locked position is achieved by the provision of the weight member 23.
  • the weight member is fixed to the opposite end of the lock plate 21 and the lock arm 211 to generate a rotational moment that biases the lock plate 21 into a horizontal locking position.
  • the bias of the lock plate 21 to its locked position is achieved by constructing its own weight.
  • the rotational moment of the lock member plate 21 biased into the horizontal locking position can be generated by increasing the length of the opposite end of the lock plate 21 and the lock arm 211 to utilize the gravity of the lock plate itself.
  • the locking arm 211 of the locking member plate 21 can also be provided with an electrical contact means 24 which, when the locking member plate 21 is in the locked position, causes the corresponding electrical device to be in an ON state. The corresponding electrical device 24 is disconnected when the lock plate 21 is rotated away from the locked position.

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  • Elevator Door Apparatuses (AREA)

Abstract

一种限位轮装置（30）以及一种电梯层门门锁组件（1），限位轮装置（30）用于电梯层门门锁组件（1），限位轮装置（30）包括：限位轮固定杆（32）；限位轮（31），该限位轮（31）包括滑动槽（311），成大致长圆形，和旋转限定块（312），其沿所述滑动槽（311）的纵长方向从所述限位轮（31）凸起；其中，该限位轮（31）通过其滑动槽（311）安装在所述限位轮固定杆（32）的一端上，且其中，该滑动槽（311）的纵长方向大致沿水平方向，且该限位轮（31）可通过所述滑动槽（311）相对于所述限位轮固定杆（32）移动，且所述限位轮装置（30）还包括弹性偏置装置（33），该弹性偏置装置（33）包括沿水平方向抵靠所述限位轮的轮沿（313）设置的作用部（332），该弹性偏置装置（33）设置为，当所述限位轮固定杆（32）位于所述滑动槽（311）的靠近所述弹性偏置装置（33）作用部（332）的一端时该弹性偏置装置（33）的作用部处于平衡位置，其中，该作用部（332）还包括与所述限位轮（31）的旋转限定块（312）协作的旋转限定部（333），用于限制所述限位轮（31）的旋转。在开启门锁的两个门刀插入的位置不够准确的情况下，通过限位轮（31）在滑动槽（311）中的移动可以弥补这一偏差，提升电梯安全性。

Description

限位轮装置及包括其的电梯层门门锁组件 技术领域
本发明涉及一种限位轮装置，其特别地用于电梯层门门锁。本申请还涉及一种包括该限位轮装置的电梯层门门锁组件。
背景技术
在现有技术中，电梯层门门锁组件一般包括支架板、锁定件板、限位轮装置、滑动轮装置。
其中，限位轮装置中包括限位轮以及限位轮固定杆，其中限位轮固定杆一端固定在支架板上，另一端从支架板伸出；限位轮通过其上的孔安装在限位轮固定杆伸出的一端上。但现有技术中的限位轮上穿过固定杆的孔是设计成圆形，且该圆形孔直径与固定杆直径相近，这样限位轮固定杆会被该圆形孔卡牢而没有多余的活动空间。这种设计带来的缺陷是：在层门开启过程中，如果门刀插入的位置不够准确，很容易出现在锁臂还没有与其勾住部件脱离，即锁还没有被打开时，限位轮一边的门刀已抵靠到固定的限位轮而不能继续移动，致使层门无法打开，进而很难保证电梯的层门能与厅门同时打开，从而引起一系列的电梯安全事故。而门刀插入的位置会产生偏差在工业上往往是很难避免的，而且，这样的限位轮适用范围也很窄，一般只能适用于具有相同解锁距离的电梯门锁，这将很大程度上提高电梯门锁生产成本。因此，提供一种具有更高准确性及更高适用性的限位轮装置和电梯门锁组件无论对于提升电梯安全性以及降低产业成本都具有非常重要的意义和价值。
发明内容
本发明的目的是为了克服现有技术中的不足，提供一种适用性更广、准确性更高的用于电梯层门中门锁组件的限位轮装置，以及一种包含该种限位轮装置的电梯层门门锁组件。
为了实现上述目的，本发明采取以下技术方案：
一种用于电梯层门门锁组件的限位轮装置，其包括限位轮固定杆、限位 轮、弹性偏置装置。其中，限位轮固定杆一端固定于支架板，另一端从该支架板伸出；限位轮包括滑动槽和旋转限定块；弹性偏置装置包括抵靠限位轮设置的作用部。
滑动槽成大致长圆形，且其纵长方向大致沿水平方向，这样限位轮可以沿着该长圆形的滑动槽相对于限位轮固定杆在一定范围内移动。
弹性偏置装置设置为，当限位轮固定杆位于滑动槽的靠近弹性偏置装置的作用部的一端时，该弹性偏置装置处于平衡位置。
旋转限定块沿该滑动槽纵长方向从限位轮凸起，用以限制限位轮的旋转运动。弹性偏置装置上的作用部在限位轮受到指向该作用部的作用力时会对限位轮产生一种弹性偏置力，以在一定程度上限制限位轮的过度移动，且在施加在限位轮上的力撤回后将限位轮相对于限位轮固定杆回复至其平衡位置。该作用部还包括旋转限定部，该旋转限定部与所述限定轮的旋转限定块协同发挥限制限位轮旋转的作用。
在一个优选实施例中，弹性偏置装置可以设置为L形弹片，其一条腿套设在所述限位轮固定杆上，而另一条腿抵靠限位轮，以作为所述的作用部。
在一个优选实施例中，该限位轮装置进一步设置为滑动槽的靠近弹性偏置装置的作用部的一端位于限位轮的中心处。
在一个优选实施例中，该限位轮装置进一步设置为旋转限定块设置在从所述限位轮的轮沿轴向向后延伸的延伸部上，且所述弹性偏置装置的作用部抵靠在该延伸部上。进一步地，延伸部的一部分大致成平面的形式，使所述轮沿的一部分构成安装部，该安装部径向地向所述延伸部的平面的部分凸出，且所述弹性偏置装置的作用部的前端抵靠在该安装部的后侧。
更进一步地，旋转限定部可以设置为适于套设在所述旋转限定块上的孔或开口槽。
本发明的另一方面是提供一种包含上述限位轮装置的电梯层门门锁组件。该电梯层门门锁组件包括支架板、锁定件板、限位轮装置和滑动轮装置。其中，锁定件板绕固定至支架板的锁定件安装杆可旋转地安装至支架板；限位轮装置为上述限位轮装置中的任意一种且由限位轮固定杆的另一端安装至支架板；滑动轮装置包括滑动轮安装杆和滑动轮。其中滑动轮安装杆通过支架板上的安装槽安装到支架板上，该安装槽为长圆形且与水平方向成一定角度，因此滑动轮安装杆可以沿安装槽移动，滑动轮安装杆的另一端穿过设 置在所述锁定件板上的安装孔，滑动轮则套设在滑动轮安装杆的该另一端上。当锁定件板处于锁定位置时，滑动轮安装杆在滑动轮安装槽的靠近限位轮装置的一端。
在一个优选实施例中，上述电梯层门门锁组件可增加一种配重件，该配重件固定至锁定件板，利用该配重件的重力将所述锁定件板偏置至其锁定位置。
替换地，该锁定件板构造为其自身的重力将该锁定件板偏置至其锁定位置。例如，其可通过增长远离其锁臂的部分，以通过其重力产生将该锁定件板偏置至其水平的锁定位置的旋转力矩。
进一步地，可以在锁定件板的锁臂上设置电气触点装置，该电气触点装置在锁定件板处于锁定位置时使得对应的电气装置处于接通状态，在锁定件板远离该锁定位置旋转时使得对应的电气装置断开。
本发明的优点在于由于用于限位轮的滑动槽设置为长圆形，使得限位轮可以沿着滑动槽在一定范围内移动。同时加入弹性偏置装置，又能在一定程度上限制限位轮的过度移动以及旋转运动，从而真正达到限位的作用。因此，在开启门锁的两个门刀插入的位置不够准确的情况下，可以通过限位轮在滑动槽中的移动来弥补这一段偏差，而且由于限位轮在滑动槽中的这一段活动空间，同样的限位轮装置也可以适用于具有不同解锁距离的电梯门锁，提高了限位轮装置的适用性，进而降低电梯门锁的产业成本。
附图说明
本发明根据优选的且非限制性的实施例的以下描述将被更好地理解，该描述参考附图而给出。在附图中：
图1是根据本发明的一个实施例的限位轮装置的立体视图；
图2A是根据本发明的一个实施例的限位轮的立体视图；
图2B是根据本发明的一个实施例的限位轮的主视图；
图3A是根据本发明的一个实施例的处于安装态的限位轮装置的俯视图；
图3B是根据本发明的一个实施例的处于安装态的限位轮装置的侧后视图，其中未示出支架板；
图4A是根据本发明的一个实施例的处于锁定状态的门锁组件的主视 图；
图4B是根据本发明的一个实施例的处于解锁状态的门锁组件的主视图，其中限位轮固定杆位于限位轮的滑动槽的一端；
图4C是根据本发明的一个实施例的处于解锁状态的门锁组件的主视图，其中限位轮固定杆位于限位轮的滑动槽的另一端；
图5是图4C所示的门锁组件的后视图；
图6是根据本发明的另一个实施例的处于解锁状态的门锁组件的主视图；
图7是图6所示的门锁组件的后视图。
具体实施方式
下面结合附图，对本发明进行详细描述。
如图1所示，本发明提供了一种用于电梯层门的门锁组件的限位轮装置30。该限位轮装置30包括限位轮固定杆32、限位轮31和弹性偏置装置33。其中限位轮固定杆32的一端固定至支架板10上，另一端从该支架板10伸出；限位轮31包括滑动槽311和旋转限定块312；弹性偏置装置33为L形弹片，其一条腿331套设在限位轮固定杆32上，另一条腿332沿水平方向抵靠在限位轮31上，作为在限位轮31受到指向该作用部332的作用力时施加弹性偏置力的作用部332，如图3A和3B所示。本领域技术人员能够理解，该弹性偏置装置可以为其他的形式，或者以其他的方式安装，只要其能够实现该L形弹片所起到的作用。
如图2A和2B所示，限位轮31的滑动槽311成大致长圆形，且其纵长方向大致沿水平方向。限位轮31通过滑动槽311安装至限位轮固定杆32的一端，且可以通过该滑动槽311相对于限位轮固定杆32移动。
该弹性偏置装置33设置为，当所述限位轮固定杆32位于所述滑动槽311的靠近所述弹性偏置装置作用部332的一端时该弹性偏置装置的作用部处于平衡位置。由此，当限位轮31受外力作用朝向弹性偏置装置作用部332移动时，该作用部332产生抵抗限位轮31移动的弹性力。且，当作用在限位轮31上的外力撤去后，该弹性偏置装置作用部332将限位轮返回至其平衡位置。
优选地，滑动槽311的靠近作用部332的一端位于限位轮31的中心处。 这例如是为了确保该作用部332即使在限位轮31相对于限位轮固定杆32产生最大位移时也仍然处于弹性阶段，也是为了兼顾该限位轮31能够相对于限位轮固定杆32移动的范围。
如图2A和2B所示，该限位轮装置包括旋转限定块312，其沿该滑动槽311的纵长方向从限位轮31凸起。且弹性偏置装置可包括旋转限定部333，如图3B所示。该旋转限定部可如所示为开口槽的形式，或者为适于套设在可旋转限定块312上的孔的形式。通过旋转限定块312和旋转限定部333的协作，可以阻止限位轮31旋转。限位轮31的旋转不利地影响该限位轮装置的作用，因此是不希望出现的。
如图2A和图3B所示，在优选的实施例中，旋转限定块312设置在从所述限位轮31的轮沿313轴向向后延伸的延伸部314上，且所述弹性偏置装置33的作用部332抵靠在该延伸部314上。此时，如图3A所示，该延伸部314的一部分可大致成平面的形式，使轮沿313的一部分构成安装部315，该安装部315径向地凸出于所述延伸部314的平面的部分，且该弹性偏置装置33的作用部332的前端抵靠在该安装部315的后侧
如图4A所示，本发明还提供了一种电梯层门门锁组件1，其包括支架板10、锁定件板21、限位轮装置30和滑动轮装置40。锁定件板21绕固定至支架板10的锁定件安装杆22可旋转地安装至支架板10。限位轮装置30由限位轮固定杆32的另一端安装至支架板10。滑动轮装置40包括滑动轮安装杆41和滑动轮42。
滑动轮安装杆41的一端通过在支架板10上设置的长圆形的滑动轮安装槽11安装至支架板10，且可在滑动轮安装槽11中移动，该滑动轮安装槽11和水平方向成一定角度，且其中，滑动轮安装杆41的另一端穿过设置在锁定件板21上的安装孔，而滑动轮42套设在滑动轮安装杆41的该另一端上。
如图4A所示，当锁定件板21处于水平的锁定位置时，限位轮31位于其平衡位置中，此时限位轮固定杆32位于限位轮31的滑动槽311远离所述滑动轮装置的一端，滑动轮安装杆41处于滑动轮安装槽11邻近限位轮装置30的一端。当意图解锁门锁组件时，两个门刀(未示出)插入限位轮装置30和滑动轮装置40之间，分别朝向限位轮31和滑动轮42移动。该两个门刀的运动相关联，且在任一时刻沿其各自的运动方向移动的距离相等。但存 在其他的实施例，该两个门刀各自移动的距离例如以一定的比例相关联。
随着右侧的门刀接触滑动轮42且继续抵靠其移动，滑动轮安装杆41在滑动轮安装槽11中移动，进而带动锁定件板21远离锁定位置旋转。当锁定件板21旋转到一定位置时，锁臂211便与其对应的锁钩部件脱离，门锁组件解锁，如图4B、图4C、图5、图6、和图7所示。该锁定件板21的旋转受到左侧门刀的运动的限制。例如，当左侧门刀接触限位轮31且不能继续向左移动时，由于两个门刀的运动相互关联，右侧门刀也不能继续向右移动，此时锁定件板不能继续旋转。在现有技术中，一种可能出现的故障是，在左侧门刀已经被限位轮31限位时，右侧门刀还没有带动锁定件板21旋转进入解锁位置，此时电梯的层门将无法打开。
本领域技术人员将能够了解，在本发明的实施例中，由于限位轮31包括滑动槽311，限位轮31通过该滑动槽311可相对于限位轮固定杆32水平地运动,例如从图4C所示的位置运动至图4B所示的位置。这改善了由于门刀初始位置的偏差导致的诸如门锁组件不能解锁的故障。
具体地，在某些情况下，当左侧门刀初始抵靠限位轮31时，锁定件板21还没有旋转进入解锁位置，这时左侧门刀仍然可以继续向左移动，且同时带动限位轮31沿着长圆形的滑动槽311在大致水平的方向上移动，这样滑动轮42一端的右侧门刀也可以继续带动锁定件板21远离锁定位置旋转，直到锁臂211脱离其对应的锁钩部件，层门由此被解锁。
本领域技术人员将了解，左侧门刀的该额外的向左移动仍然受到限位轮31的滑动槽的长度的限制。但由于门刀的相对位置偏差通常都在较小的范围内，根据本发明的限位轮装置的布置已经很大地改善了前述故障出现的状况。
而且，在限位轮31通过滑动槽311移动的过程中，弹性偏置装置33上的作用部332偏离其平衡位置，由此产生抵抗该滑动轮31移动的弹性力，从而阻止限位轮31在滑动槽311内过度移动，避免左侧门刀和右侧门刀的相关联的运动对该门锁组件的损害。且，当意图从门锁组件的解锁位置回复到锁定位置中时，左侧门刀作用在限位轮31上的外力撤去，作用部332的弹性偏置力将会将限位轮31回复至其平衡位置，即，限位轮固定杆32位于滑动槽311的靠近该作用部332的一端，以用于下一次该门锁组件的解锁。
当意图从门锁组件的解锁位置回复到其锁定位置中时，两侧门刀撤去， 限位轮31如上所述回复至其平衡位置，而锁定件板21在重力的作用下向锁定位置偏置，滑动轮42被带动着沿滑动轮安装槽11滑动，当锁定件板21恢复到其水平的锁定位置时，锁臂211也随之恢复到锁定状态，和其相应的锁钩部件接合。
如图4A-4C所示，在优选的实施例中，锁定件板21至其锁定位置的偏置通过设置配重件23实现。该配重件固定至锁定件板21和锁定臂211相反的一端，以产生将锁定件板21偏置进入水平的锁定位置的旋转力矩。
替换地，在其他的实施例中，如图6-7所示，锁定件板21至其锁定位置的偏置通过构造其自身的重力来实现。具体地，可以通过增长锁定件板21和锁臂211相对的一端的长度，以利用该锁定件板自身的重力来产生将锁定件板21偏置进入水平的锁定位置的旋转力矩。
如图4A和4B所示，锁定件板21的锁臂211上还可以设置电气触点装置24，该电气触点装置24在锁定件板21处于锁定位置时使得对应的电气装置处于接通状态，在锁定件板21远离该锁定位置旋转时使得对应的电气装置24断开。
上述实施例仅表达了本发明的几种实施方式，但并不能因此而理解为对本发明专利范围的限制。本发明专利的保护范围应以所附权利要求为准。
且，该说明书中关于左、右、水平等位置关系的描述也仅为方便结合附图对相关实施例进行描述，而并非对本发明的进一步限定。在本发明构思前提下，对于本领域内普通技术人员来说，还可以对本发明技术方案作出若干变形和改进，这些都属于本发明的保护范围。

Claims (10)

  1. 一种限位轮装置(30)，用于电梯层门门锁组件(1)，其特征在于，该限位轮装置(30)包括：
    限位轮固定杆(32)；
    限位轮(31)，该限位轮(31)包括
    滑动槽(311)，成大致长圆形，和
    旋转限定块(312)，其沿所述滑动槽(311)的纵长方向从所述限位轮(31)凸起；
    其中，该限位轮(31)通过其滑动槽(311)安装在所述限位轮固定杆(32)的一端上，且其中，该滑动槽(311)的纵长方向大致沿水平方向，且该限位轮(31)可通过所述滑动槽(311)相对于所述限位轮固定杆(32)移动，且
    所述限位轮装置(30)还包括弹性偏置装置(33)，该弹性偏置装置(33)包括沿水平方向抵靠所述限位轮的轮沿(313)设置的作用部(332)，该弹性偏置装置设置为，当所述限位轮固定杆(32)位于所述滑动槽(311)的靠近所述弹性偏置装置作用部(332)的一端时该弹性偏置装置的作用部处于平衡位置，其中，
    该作用部(332)还包括与所述限位轮(31)的旋转限定块(312)协作的旋转限定部(333)，用于限制所述限位轮(31)的旋转。
  2. 如权利要求1所述的限位轮装置(30)，其特征在于，
    所述弹性偏置装置(33)为L形弹片，该L形弹片的一条腿(331)套设在所述限位轮固定杆(32)上，而另一条腿(332)抵靠所述限位轮(31)，以作为所述作用部(332)。
  3. 如权利要求2所述的限位轮装置(30)，其特征在于，
    所述滑动槽(311)的靠近所述弹性偏置装置的作用部(332)的一端位于限位轮(31)的中心处。
  4. 如权利要求2或3所述的限位轮装置(30)，其特征在于，
    所述旋转限定块(312)设置在从所述限位轮(31)的轮沿(313)轴向向后延伸的延伸部(314)上，且所述弹性偏置装置(33)的作用部(332)抵靠在该延伸部(314)上。
  5. 如权利要求4所述的限位轮装置(30)，其特征在于，
    延伸部(314)的一部分大致成平面的形式，使所述轮沿(313)的一部分构成安装部(315)，该安装部(315)径向地凸出于所述延伸部(314)的平面的部分，且所述弹性偏置装置(33)的作用部(332)的前端抵靠在该安装部(315)的后侧。
  6. 如权利要求5所述的限位轮装置(30)，其特征在于，
    所述旋转限定部(333)为适于套设在所述旋转限定块(312)上的孔或开口槽。
  7. 一种电梯层门门锁组件(1)，其特征在于，该电梯层门门锁组件(1)包括：
    支架板(10)，
    锁定件板(21)，该锁定件板(21)绕固定至支架板(10)的锁定件安装杆(22)可旋转地安装至支架板(10)，
    如权利要求1-6中任意一项所述的限位轮装置(30)，其由所述限位轮固定杆(32)的另一端安装至支架板(10)；
    滑动轮装置(40)，其包括滑动轮安装杆(41)和滑动轮(42)，其中，该滑动轮安装杆(41)的一端通过在所述支架板上(10)设置的长圆形滑动轮安装槽(11)安装至所述支架板(10)，且所述滑动轮安装杆(41)可在所述滑动轮安装槽(11)中移动，该滑动轮安装槽(11)和水平方向成一定角度，且其中，所述滑动轮安装杆(41)的另一端穿过设置在所述锁定件板(21)上的安装孔，而所述滑动轮(42)套设在所述滑动轮安装杆(41)的该另一端上，且
    当所述锁定件板(21)处于水平的锁定位置中时，所述滑动轮安装杆(41)处于所述滑动轮安装槽(11)邻近限位轮装置(30)的一端；当所述滑动轮安装杆(41)朝所述滑动轮安装槽(11)的另一端移动的时候，所述锁定件板(21)远离锁定位置旋转。
  8. 如权利要求7所述的电梯层门门锁组件(1)，其特征在于，
    该电梯层门门锁组件还包括配重件(23)，该配重件(23)固定至所述锁定件板(21)，以将所述锁定件(21)板偏置至其锁定位置。
  9. 如权利要求7所述的电梯层门门锁组件(1)，其特征在于，
    所述锁定件板(21)被设置为通过其重力将所述锁定件板(21)偏置至 其锁定位置。
  10. 如权利要求7至9中任意一项所述的电梯层门门锁组件(1)，其特征在于，
    所述锁定件板(21)的锁臂(211)上设置有电气触点装置(24)，该电气触点装置(24)，在所述锁定件板(21)处于锁定位置中时使得对应的电气装置处于接通状态，且在所述锁定件板(21)远离该锁定位置旋转时使得相应的电气装置断开。
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CN205527236U (zh) * 2016-04-26 2016-08-31 宁波华夏一品电梯有限公司 一种带防脱限位轮的门挂板结构
CN206447455U (zh) * 2017-01-05 2017-08-29 胡安·拉蒙·戈米斯·拉瓦萨 限位轮装置及包括其的电梯层门门锁组件

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CN111498652A (zh) * 2020-05-30 2020-08-07 慈溪市宏峰电梯配件有限公司 电梯用轿门锁

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