CN113682928B

CN113682928B - Elevator layer door lock structure

Info

Publication number: CN113682928B
Application number: CN202110979787.0A
Authority: CN
Inventors: 谭晓亨; 黄敏冬; 王辉
Original assignee: Hitachi Elevator China Co Ltd
Current assignee: Hitachi Elevator China Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2023-03-07
Anticipated expiration: 2041-08-25
Also published as: CN113682928A

Abstract

The invention discloses an elevator landing door lock structure, which relates to the technical field of elevators, wherein a first locking member is arranged on a position, corresponding to a first hanging plate, of a cross beam, a second locking member is arranged on the second hanging plate, the first locking member and the second locking member can be movably locked, the elevator landing door lock structure further comprises a landing door lock device used for driving the second locking member to be separated from the first locking member, and a secondary protection device used for preventing an operator from falling into a well, the secondary protection device drives the first landing door and the second landing door to be opened for the first time to form an observation port which can not be passed by a human body, after safety is confirmed, the operator needs to operate the landing door lock device again, and the first landing door and the second landing door can be opened completely.

Description

Elevator layer door lock structure

Technical Field

The invention relates to the technical field of elevators, in particular to an elevator landing door lock structure.

Background

The elevator is used as the most important transportation means for vertical transportation in the building, and along with the development and construction of cities, higher and higher requirements are put forward on the safety and the attractiveness of the elevator.

At present the elevator when opening the layer door and get into car or sedan-chair top, there is the risk of falling into the well, mainly show on operating personnel safety consciousness is not enough, non professional operates, car position affirmation mistake or not confirm etc. artificial factor on, in addition, the power of layer door design is kept also to be an influence factor, when opening the layer door hard, it is big to keep the power requirement because of overcoming power when opening, it is little to open the back power, thereby it falls into in the well to open the too fast unbalance easily because of beginning to exert power too big result in the layer door to open.

The existing landing door is unlocked mostly by unlocking holes on the landing door, the attractiveness of the landing door is influenced, the landing door is also installed on a door pocket, the locking hook is controlled to be unlocked through the pull rope, the secondary protection effect of the landing door cannot be basically realized, and the pull rope is easy to fail to unlock.

Disclosure of Invention

Based on this, it is necessary to provide an elevator landing door lock structure, under the condition that the elevator car does not stay in the corresponding layer area, and operating personnel can not step into the well after opening the landing door lock, cause the emergence of the accident of falling, and keep pleasing to the eye moreover.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

the utility model provides an elevator layer door lock structure, includes crossbeam, first layer door and second floor door, first layer door, second floor door top correspondence are connected with first link plate and second link plate, first layer door, second floor door pass through first link plate, second link plate with crossbeam activity switching cooperation, be provided with first retaining member (8) on the position that the crossbeam corresponds first link plate, be provided with the second retaining member on the second link plate, the mobile closure of first retaining member and second retaining member, still including being used for the drive the second retaining member breaks away from the layer door lock device of first retaining member to and be used for preventing that operating personnel from falling the well's secondary protection device, secondary protection device orders about first layer door and second floor door are opened for the first time and are formed the human unable observation mouth that passes through, confirm safe back, and operating personnel need operate layer door lock device once more, first layer door and second layer door are opened for the second time and just can be opened completely.

Further, layer lock device includes the layer lock and rather than the complex link mechanism, the layer lock includes the lock core, sets up reset spring in the lock core and sets up the spring bolt in the lock core lower part, through the key drive the lock core pushes down, drives the spring bolt pushes down, rotates the key, the drive the spring bolt is rotatory, thereby the drive link mechanism drives the second retaining member breaks away from first retaining member, first layer door, second floor door can carry out the operation of opening the door for the first time.

Further, link mechanism includes pendulum rod, connecting piece, the pendulum rod passes through the axis of rotation and rotates to be connected second floor door rear side, the extension of pendulum rod one end is stretched out second floor door lateral part, the pendulum rod other end with connecting piece one end is rotated and is connected, the connecting piece other end with second retaining member tip rotates to be connected, when the spring bolt rotates, can touch and promote the pendulum rod rotates, thereby utilizes the connecting piece drive the second retaining member rotates, makes the second retaining member break away from first retaining member.

Furthermore, the secondary protection device comprises a lock tongue clamping plate for the lock tongue to rotate and pass through, and the lock tongue clamping plate is arranged between the end, extending out of the swing rod, of the swing rod and the landing door lock.

Furthermore, a lock tongue unlocking groove which penetrates through the lock tongue clamping plate is formed in the lock tongue clamping plate, the lock tongue unlocking groove is arranged in the vertical direction, a lock tongue clamping groove is formed in the upper portion of the lock tongue unlocking groove, and a lock tongue flange which is opposite to the lock tongue clamping groove is oppositely arranged.

Further, through pressing the key, drive the spring bolt removes to and unlocks the groove relative position with the spring bolt, rotates the key and drives the spring bolt rotates, the spring bolt distal end passes through the spring bolt unlocks the groove, the spring bolt rotates to the spring bolt unlocks the groove, and the release is to the key effort, reset spring resumes deformation, drives the spring bolt gets into in the spring bolt draw-in groove, the spring bolt under-tongue terminal surface with spring bolt draw-in groove bottom surface butt, the second retaining member breaks away from first retaining member, first floor door, second floor door can carry out the operation of opening the door for the first time, can make second floor door stop opening after the spring bolt is touch to second floor door side, confirm safe back, operating personnel resets the spring bolt position can carry out the operation of opening the door for the second time.

Furthermore, the connecting piece is a pull rod or a pull rope.

Further, the rotating shaft is installed on a bracket, and the bracket is installed at the rear side of the second layer door.

Furthermore, the crossbeam is improved level and is provided with the guided way, first link plate, second link plate pass through gyro wheel and guided way direction sliding connection.

Further, the layer door lock is arranged on the side of the door pocket.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides an elevator landing door lock structure which is provided with a cross beam, a first landing door, a second landing door, a first hanging plate, a second hanging plate, a first locking piece, a second locking piece, a landing door lock device and a secondary protection device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a normal state three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention in a normal state;

FIG. 3 is a schematic view of the first retaining member shown disengaged from the second retaining member in accordance with the present invention;

FIG. 4 is a schematic view of a first-time opening structure of the first layer door and the second layer door according to the present invention;

FIG. 5 is a schematic view of a second opening structure of the first layer door and the second layer door according to the present invention;

FIG. 6 is a schematic view of a layer door lock according to the present invention;

FIG. 7 is a sectional view of the landing door lock of the present invention in its normal state;

FIG. 8 is a schematic sectional view of a lock for a landing door according to the present invention;

FIG. 9 is a schematic view of the deadbolt card of the present invention;

fig. 10 is a schematic view of the locking bolt clamping plate and the landing door lock matching structure of the invention.

In the figure: 1. the door comprises a cross beam, 2, a first layer door, 3, a second layer door, 4, a first hanging plate, 5, a second hanging plate, 6, a roller, 7, a guide rail, 8, a first locking piece, 9, a second locking piece, 10, a connecting piece, 11, a bracket, 12, a swing rod, 13, a rotating shaft, 14, a bolt clamping plate, 141, a bolt unlocking groove, 142, a bolt clamping groove, 143, a bolt flange, 15, a layer door lock, 151, a bolt, 152, a lock cylinder and 153, and a reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-10, an elevator layer door lock structure, including crossbeam 1, first layer door 2 and second floor door 3, first layer door 2, second floor door 3 top correspond and are connected with first link plate 4 and second link plate 5, first layer door 2, second floor door 3 pass through first link plate 4, second link plate 5 with crossbeam 1 activity switching cooperation, be provided with first retaining member 8 on crossbeam 1 corresponds first link plate 4 position, be provided with second retaining member 9 on the second link plate 5, the movable closure of first retaining member 8 and second retaining member 9 is still including being used for the drive second retaining member 9 breaks away from first retaining member 8's layer door lock to and be used for preventing that operating personnel from falling into the well secondary protection device, secondary protection device orders about first layer door 2 and second floor door 3 open for the first time and form the unable observation mouth that the human body passes through, confirm after safe, operating personnel need operate layer door once more, first layer door 2 and second floor door 3 open for the second time and can open and just can open completely.

The invention provides an elevator landing door lock structure which is provided with a cross beam 1, a first landing door 2, a second landing door 3, a first hanging plate 4, a second hanging plate 5, a first locking piece 8, a second locking piece 9, a landing door lock device and a secondary protection device, wherein the landing door lock device and the secondary protection device are arranged, the landing door lock device drives the first landing door 2 and the second landing door 3 to be opened, the secondary protection device is arranged, the first landing door 2 and the second landing door 3 can only form an observation port through which a human body can not pass for the first time, an operator can observe whether a car is in place through the observation port, after safety is confirmed, the landing door lock device is operated again to reset, and the first landing door 2 and the second landing door 3 can be opened completely for the second time.

Specifically, as shown in the figure, layer lock device includes layer lock 15 and rather than complex link mechanism, layer lock 15 includes lock core 152, sets up reset spring 153 in lock core 152 and sets up the spring bolt 151 in the lock core 152 lower part, through the key drive the lock core 152 pushes down, drives spring bolt 151 pushes down, rotates the key, the drive spring bolt 151 is rotatory, thereby the drive link mechanism drives second retaining member 9 breaks away from first retaining member 8, first layer door 2, second layer door 3 can carry out the operation of opening the door for the first time.

Specifically, as shown in the figure, link mechanism includes pendulum rod 12, connecting piece 10, pendulum rod 12 rotates through axis of rotation 13 to be connected the second floor door 3 rear side, the extension of 12 one ends of pendulum rod is stretched out second floor door 3 lateral parts, the pendulum rod 12 other end with connecting piece 10 one end is rotated and is connected, the connecting piece 10 other end with second retaining member 9 tip rotates to be connected, when spring bolt 151 rotated, can touch and promote pendulum rod 12 rotates, thereby utilizes connecting piece 10 drive second retaining member 9 rotates, makes second retaining member 9 break away from first retaining member 8.

Specifically, as shown in the figure, the secondary protection device includes a lock tongue catch plate 14 through which the lock tongue 151 rotates, and the lock tongue catch plate 14 is disposed between the extended end of the swing rod 12 and the landing door lock 15. The lock tongue clamping plate 14 is provided with a lock tongue unlocking groove 141 which penetrates through the lock tongue clamping plate, the lock tongue unlocking groove 141 is arranged in the vertical direction, and a lock tongue clamping groove 142 and a lock tongue flange 143 which is oppositely arranged on the opposite side of the lock tongue clamping groove 142 are formed at the upper part of the lock tongue unlocking groove 141.

Specifically, as shown in the figure, through pressing the key, drive spring bolt 151 moves to and unlocks groove 141 relative position with the spring bolt, rotates the key and drives spring bolt 151 rotates, spring bolt 151 distal end passes through spring bolt unlocks groove 141, spring bolt 151 rotates to spring bolt unlocks groove 141, and the release is to the key effort, reset spring 153 resumes deformation, drives spring bolt 151 gets into in spring bolt draw-in groove 142, terminal surface under the spring bolt 151 with spring bolt draw-in groove 142 bottom surface butt, second retaining member 9 breaks away from first retaining member 8, first layer door 2, second floor door can carry out the first operation of opening the door, can make second floor door 9 stop opening after spring bolt 151 is touch to second floor door 9 side, confirm safe back, operating personnel reset spring bolt 151 position can carry out the second operation of opening the door.

Specifically, as shown in the figure, the connecting member 10 is a pull rod or a pull rope.

Specifically, as shown in the figure, the rotating shaft 13 is mounted on a bracket 11, and the bracket 11 is mounted at the rear side of the second layer door 3.

Specifically, as shown in the figure, a guide rail 7 is horizontally arranged on the cross beam 1, and the first hanging plate 4 and the second hanging plate 5 are in guide sliding connection with the guide rail 7 through rollers 6.

Specifically, the specific principle of the invention is as follows: referring to fig. 7, it can be seen that the landing door lock is provided with an elastic device, and under normal conditions, the spring is in an extended state, so that the landing door bolt has two different states, which is convenient for unlocking control of the landing door; referring to fig. 8, as the elastic device is arranged in the layer door lock, when the spring is stressed by a triangular key or a lock tongue in the unlocking process or after the door is opened, the spring is compressed and shortened, so that the distance from the lock tongue to the lock end face is increased, referring to fig. 1 and 10, in a normal state, the lock tongue cannot reach the range of the lock groove of the lock tongue, the lock tongue can collide with the lock tongue clamping plate in the rotating process, and the lock tongue cannot be clamped out in a misoperation to influence the normal door opening and closing of the layer door.

Referring to fig. 3 and 10, in the unlocking process, a key presses the layer door lock, the lock tongue is in the range of the lock tongue unlocking groove, the rotating lock tongue can penetrate through the lock tongue unlocking groove to touch the swing rod, the swing rod is pushed to swing upwards until the lower end face of the lock tongue is larger than or equal to the height of the lock tongue clamping groove, the force of pressing the layer door lock by the key is cancelled, so that the lock tongue is acted by the restoring force of the elastic device in the layer door lock, the lower end of the lock tongue can move downwards under the restoring force of the swing rod until the lower end of the lock tongue contacts with the lock tongue clamping groove to stop, the lock hook of the layer door is opened at the moment, and the layer door can be normally opened.

Referring to fig. 4 and 10, in the process of opening the layer door after unlocking, the side edge of the layer door is just contacted with the bolt, the layer door can continuously push and press the bolt to open, when the bolt moves to compress the elastic device in the layer door lock to the limit, namely, the maximum width for opening the door for the first time, as shown in fig. 9, the bolt clamping plate is provided with a bolt flange, and when the bolt is deformed by the door opening force of the layer door, the bolt flange can provide a reinforcing effect to prevent further deformation. At the moment, although the lock tongue extends out of the blocking range of the lock tongue clamping groove, the lock tongue cannot fall off immediately due to the effect of friction force, so that the second-layer door cannot be opened continuously due to the blocking of the lock tongue, and the time for secondary confirmation and adjustment of the standing posture is provided for operators. The operator can see the relevant conditions in the well through the opened observation port, and the width of the observation port can not lead the operator to fall into the well, so the safety and the reliability are realized, and the protection is provided for the possible misoperation or accidental weightlessness of the operator. Simple structure and low cost.

Referring to fig. 5 and 10, when the operator confirms that each state is correct and wants to continue to open the landing door, the landing door key can be pressed and pulled back to the normal state position, and after the bolt is pulled back to the normal position, the landing door can be normally opened for the second time.

As can be known from the figure 1, the landing door lock is arranged at the side of the door pocket, so that the decorative effect of the landing door is not influenced, and the landing door is more attractive.

As can be known from fig. 1 and 10, the lock tongue clamping plate is stepped, so that the lock tongue cannot extend out of the barrier layer door under normal conditions; the lock tongue clamping plate also comprises a lock tongue clamping groove, so that unlocking can be kept through the lock tongue clamping groove, the problem that the operation of opening the landing door by one hand is difficult due to the fact that a key is rotated by one hand is avoided, and particularly the operation is difficult when the landing door is wide in width; the spring bolt cardboard still includes a spring bolt flange, and when the spring bolt received layer door power of opening the door, spring compression on the layer door lock made the spring bolt hug closely the spring bolt flange, and the spring bolt flange can provide the additional strengthening and prevent further deformation. The clamping plate is simple in shape and low in cost. When the layer door has been opened, if the people were unblanked to layer door lock again, thereby the spring bolt can directly touch the decorative cover of layer door and make layer door decorate and draw flowers etc. so can adopt the mode of gluing a fritter rubber at the spring bolt tip and avoid.

As can be known from fig. 1, the latch hook swing link can be mounted with the second floor door through a bracket and can swing through a rotating shaft arranged on the bracket, and the swing link only contacts with the rotating shaft and does not contact with the second floor door, so that the operation resistance is small. The connecting piece is connected between latch hook pendulum rod and retaining member, connects through the pivot mode, also can adopt the stay cord to connect, when the pendulum rod luffing motion, can drive the retaining member and unblank, because all moving parts all contactless with the layer door between, so holistic friction is little, and the reliability in utilization is high, longe-lived.

According to the landing door lock mechanism provided by the invention, the landing door lock hook is controlled to be opened through the landing door lock arranged on the side of the door pocket and the link mechanism arranged on the landing door, the structure is simple, the cost is low, the landing door lock is installed without opening a hole on the landing door, the landing door is more attractive, the link mechanism is controlled on the side of the landing door, after the landing door is opened for a certain width after unlocking, the side surface of the landing door is collided with the lock tongue to stop opening the landing door, personnel unbalance caused by too fast opening of the landing door is prevented from falling into a hoistway, the landing door lock is additionally provided with the elastic device, the lock tongue cannot rotate under normal conditions and extends out of the barrier landing door to be normally opened, the lock tongue can be clamped when the landing door lock is opened through the additional lock tongue clamping plate, the lock hook cannot be hooked again after a key is removed, and the opening operation of the high and large landing door is facilitated. Because the door lock is arranged at the side of the door sleeve, the decorative surface of the landing door can be complete without holes, the landing door is more beautiful, and particularly, the special decorative landing door such as a mirror surface and the like is more obvious.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The elevator landing door lock structure comprises a cross beam (1), a first landing door (2) and a second landing door (3), wherein the tops of the first landing door (2) and the second landing door (3) are correspondingly connected with a first hanging plate (4) and a second hanging plate (5), the first landing door (2) and the second landing door (3) are matched with the cross beam (1) in a movable opening and closing mode through the first hanging plate (4) and the second hanging plate (5), the elevator landing door lock structure is characterized in that the cross beam (1) is provided with a first locking member (8) on the position corresponding to the first hanging plate (4), the second hanging plate (5) is provided with a second locking member (9), the first locking member (8) and the second locking member (9) are movably locked, the elevator landing door lock structure further comprises a landing door for driving the second locking member (9) to be separated from the first locking member (8), and a secondary protection device for preventing operators from falling into a well, the secondary protection device drives the first landing door (2) and the second landing door (3) to be opened to form a human body, and the second landing door lock device can be opened after the second landing door (3) is completely confirmed;

the layer door lock device comprises a layer door lock (15) and a link mechanism matched with the layer door lock, wherein the layer door lock (15) comprises a lock cylinder (152), a return spring (153) arranged in the lock cylinder (152) and a lock tongue (151) arranged at the lower part of the lock cylinder (152), the lock cylinder (152) is driven to be pressed down through a key to drive the lock tongue (151) to be pressed down, the key is rotated to drive the lock tongue (151) to rotate, so that the link mechanism is driven to drive the second locking piece (9) to be separated from the first locking piece (8), and the first layer door (2) and the second layer door (3) can be opened for the first time;

the connecting rod mechanism comprises a swing rod (12) and a connecting piece (10), the swing rod (12) is rotatably connected to the rear side of the second-layer door (3) through a rotating shaft (13), one end of the swing rod (12) extends out of the side of the second-layer door (3), the other end of the swing rod (12) is rotatably connected with one end of the connecting piece (10), the other end of the connecting piece (10) is rotatably connected with the end part of the second locking piece (9), and when the lock tongue (151) rotates, the lock tongue can touch and push the swing rod (12) to rotate, so that the second locking piece (9) is driven to rotate by the connecting piece (10), and the second locking piece (9) is separated from the first locking piece (8);

the secondary protection device comprises a bolt clamping plate (14) for the bolt (151) to rotate and pass through, and the bolt clamping plate (14) is arranged between the end, extending out of the swing rod (12), of the swing rod and the layer door lock (15);

the lock tongue clamping plate (14) is provided with a lock tongue unlocking groove (141) which penetrates through the lock tongue clamping plate, the lock tongue unlocking groove (141) is arranged in the vertical direction, a lock tongue clamping groove (142) and a lock tongue flange (143) which is oppositely arranged opposite to the lock tongue clamping groove (142) are formed at the upper part of the lock tongue unlocking groove (141);

through pressing the key, drive spring bolt (151) move to with spring bolt unlocking groove (141) relative position, rotate the key and drive spring bolt (151) rotate, spring bolt (151) distal end is passed through spring bolt unlocking groove (141), spring bolt (151) rotate to spring bolt unlocking groove (141), release to the key effort, reset spring (153) resume deformation, drive spring bolt (151) get into in spring bolt draw-in groove (142), terminal surface under spring bolt (151) with spring bolt draw-in groove (142) bottom surface butt, second retaining member (9) break away from first retaining member (8), first layer door (2), second layer door can carry out the operation of opening the door for the first time, can make second layer door (3) stop to open after spring bolt (151) is touch to second layer door (3) side, confirm safe back, operating personnel reset spring bolt (151) position can carry out the operation of opening the door for the second time.

2. An elevator landing door lock structure according to claim 1, wherein the connecting member (10) is a pull rod or a pull rope.

3. An elevator landing door lock structure according to claim 2, wherein the rotating shaft (13) is mounted on a bracket (11), and the bracket (11) is mounted on the rear side of the second landing door (3).

4. The elevator landing door lock structure according to claim 3, wherein a guide rail (7) is horizontally arranged on the beam (1), and the first hanging plate (4) and the second hanging plate (5) are slidably connected with the guide rail (7) through rollers (6).

5. An elevator landing door lock structure according to claim 4, characterized in that the landing door lock (15) is installed at the door pocket side.