CN219792103U - Elevator door lock - Google Patents

Abstract

The utility model provides an elevator door lock, which comprises an adapter arranged on an upper sill of an elevator landing door; the locking mechanism comprises a main body part rotatably mounted on the first elevator door sliding plate and a locking hook extending from the main body part towards the second elevator door sliding plate, wherein the locking mechanism is configured to slide over the adapting piece and rotate to a locking end of the hooking adapting piece away from the first elevator door sliding plate under the action of self gravity so as to prevent the first elevator door sliding plate from sliding away from the second elevator door sliding plate as the first elevator door sliding plate moves towards the second elevator door sliding plate and is closed with the second elevator door sliding plate; the unlocking mechanism is detachably arranged on the main body part of the locking mechanism and is configured to drive the locking mechanism to be separated from the locking end through matching with an unlocking piece of an elevator so as to allow the first elevator door sliding plate to move in a direction away from the adapting piece under the action of external force, so that the unlocking mechanism is convenient to replace, and the applicability of the elevator door lock and the convenience in use are improved.

Description

Elevator door lock

Technical Field

At least one embodiment of the utility model relates to an elevator door of an elevator installation, in particular to an elevator door lock suitable for an elevator door.

Background

The elevator door lock is an important part of elevator safe operation, and the elevator door lock is matched with the elevator door knife to realize the opening and locking of the elevator door lock, thereby realizing the opening and closing of the elevator door.

The elevator door knives of different elevator installations have different models and require adaptation of the corresponding elevator door locks. Therefore, the elevator door locks and the elevator door knives with various models are generated, the modularization degree of parts is low, the applicability of the elevator door locks is low, and the opening and closing operation of the elevator door locks is poor in use convenience.

Disclosure of Invention

The embodiment of the utility model provides an elevator door lock, which is used for at least partially solving the problems, and improving the applicability of the elevator door lock and the convenience of opening and closing operation of the elevator door lock by replacing an unlocking mechanism matched with an unlocking piece of an elevator.

In order to achieve the above object, the present utility model provides an elevator door lock comprising:

the adapter is arranged on an elevator landing door upper bank positioned between the first elevator door sliding plate and the second elevator door sliding plate;

a locking mechanism including a main body portion pivotally mounted to the first elevator door slide and a locking hook extending from the main body portion toward the second elevator door slide, the locking mechanism being configured such that during movement of the first elevator door slide toward the second elevator door slide and closing with the second elevator door slide, the locking hook of the locking mechanism slides over the adapter and rotates under its own weight to hook the adapter away from the locking end of the first elevator door slide to prevent the first elevator door slide from sliding away from the second elevator door slide; and

and the unlocking mechanism is detachably arranged on the main body part of the locking mechanism and is configured to drive the locking mechanism to be separated from the locking end of the adapting piece by being matched with an unlocking piece of the elevator so as to allow the first elevator door sliding plate to move away from the adapting piece under the action of external force.

According to an embodiment of the present disclosure, the unlocking mechanism includes:

a mounting plate detachably mounted to the main body; and

the plurality of control wheels are arranged on the mounting plate and are configured to be matched with an unlocking piece of an elevator for use so as to drive the main body part to rotate, and the locking hook is separated from the locking end of the adapter.

According to an embodiment of the present disclosure, the unlocking mechanism further includes:

a screw configured to pass through a first mounting hole on the mounting plate and a second mounting hole on the main body portion;

and a nut configured to cooperate with the screw to removably mount the mounting plate to the body portion.

According to an embodiment of the present disclosure, the steering wheel is rotatably mounted to the mounting plate.

According to the embodiment of the disclosure, the periphery of the control wheel is sleeved with an elastic sleeve.

According to an embodiment of the disclosure, an end of the adapter adjacent to the first elevator door slide extends obliquely downward to form a guide portion that guides the latch hook upward to an upper surface of the adapter during movement of the first elevator door slide toward the second elevator door slide to allow the latch hook to pass over the adapter and rotate downward under its own weight to engage a locking end of the adapter.

According to an embodiment of the present disclosure, a front end of the latch hook forms an inclined end surface that mates with the guide portion.

According to an embodiment of the present disclosure, the elevator door further includes a stopper mechanism mounted to the first elevator door slide and configured to prevent the latch hook of the latch mechanism from rotating below the adapter to allow the latch hook to slidably pass over the adapter on the upper surface of the adapter to reach the locking end of the adapter.

According to an embodiment of the present disclosure, the limit mechanism includes:

the limiting block is arranged on the first elevator door sliding plate; and

the limiting hole is formed in the main body portion, and the limiting block is inserted into the limiting hole, so that the main body portion rotates in a preset angle range relative to the first elevator door sliding plate and prevents the lock hook from rotating to the lower portion of the adapter.

According to the embodiment of the disclosure, the elevator door lock further comprises an auxiliary plate, wherein the auxiliary plate is installed on the second elevator door sliding plate, a lock hole is formed in the auxiliary plate, and the lock hook rotates under the action of gravity and is inserted into the lock hole under the condition that the first elevator door sliding plate and the second elevator door sliding plate are closed so as to lock the first elevator door sliding plate and the second elevator door sliding plate.

According to an embodiment of the present disclosure, further comprising:

the touch seat is arranged on the adapter; and

and the contact is installed on the locking mechanism and is configured to rotate along with the locking mechanism so as to be in electrical contact with the contact seat and locked under the condition that the lock hook is hooked with the adapter, thereby detecting that the first elevator door sliding plate and the second elevator door sliding plate are locked.

According to an embodiment of the present disclosure, the locking device further includes an auxiliary unlocking mechanism configured to drive the main body portion to rotate by an external force so as to drive the locking hook to be disengaged from the locking end of the adapter.

According to an embodiment of the present disclosure, the auxiliary unlocking mechanism includes:

the lever mechanism is rotatably arranged on the adapter and comprises a driving end and a driven end which are driven by external force; and

the unlocking rod is arranged at the driven end and is configured to push the main body part to rotate under the driving of the driving end so as to drive the locking hook to be separated from the locking end of the adapter.

According to the elevator door lock provided by the utility model, in the process that the first elevator door slide plate moves towards the second elevator door slide plate and is closed with the second elevator door slide plate, the lock hook of the locking mechanism slides over the adapter and rotates to the locking end of the hook adapter away from the first elevator door slide plate under the action of self gravity, so that the first elevator door slide plate is prevented from sliding away from the second elevator door slide plate, and the first elevator door slide plate and the second elevator door slide plate are locked; when the first elevator door sliding plate and the second elevator door sliding plate are opened, the unlocking mechanism is matched with an unlocking piece of the elevator to drive the locking mechanism to rotate and separate from the locking end of the adapter, so that the first elevator door sliding plate is allowed to move away from the adapter under the action of external force, and the first elevator door sliding plate and the second elevator door sliding plate are opened; further, the unlocking mechanism can be detached, the unlocking mechanism matched with the unlocking piece of the elevator is convenient to replace, the applicability of the elevator door lock is improved, the first elevator door sliding plate and the second elevator door sliding plate are convenient to open and close, and the convenience of open and close operation and use is improved.

Drawings

The above and other objects, features and advantages of the present utility model will become more apparent from the following description of embodiments of the present utility model with reference to the accompanying drawings, in which:

fig. 1 is a front view of an elevator door lock according to an exemplary embodiment of the present utility model in a state where the locking mechanism is in a locked state with the adapter, and an unlocking mechanism is not shown;

fig. 2 is a schematic perspective view of an elevator door lock according to an exemplary embodiment of the present utility model, wherein the locking mechanism is in a locked state with the adapter;

fig. 3 is a schematic view of an unlocking mechanism of an elevator door lock according to an exemplary embodiment of the utility model;

fig. 4 is a schematic view of an unlocking mechanism of an elevator door lock according to another illustrative embodiment of the utility model;

fig. 5 is a schematic perspective view of an auxiliary unlocking mechanism of an elevator door lock according to an exemplary embodiment of the present utility model;

fig. 6 is another schematic perspective view of an unlocking mechanism of an elevator door lock according to an illustrative embodiment of the utility model; and

fig. 7 is a perspective view of an auxiliary plate of an elevator door lock according to an exemplary embodiment of the present utility model.

In the drawings, the reference numerals specifically have the following meanings:

01. a first elevator door slide;

02. a second elevator door slide;

1. an adapter;

11. a guide section; 12. a locking end;

2. a locking mechanism;

21. a main body portion; 22. a latch hook; 23. a pivot;

3. a limiting mechanism;

31. a limiting block; 32. a limiting hole;

4. an unlocking mechanism;

41. a mounting plate; 42. a steering wheel; 43. an elastic sleeve;

411. a first mounting hole;

5. a screw;

6. an auxiliary plate;

61. a lock hole;

71. a touch seat; 72. a contact;

8. an auxiliary unlocking mechanism;

81. a lever mechanism;

811. a driving end; 812. a driven end;

82. unlocking the rod;

9. and a shock pad.

Detailed Description

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The terms "comprises," "comprising," and/or the like, as used herein, specify the presence of stated features, steps, operations, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, or components. All terms, including technical and scientific terms, used herein have the meaning commonly understood by one of ordinary skill in the art unless otherwise defined. It should be noted that the terms used herein should be construed to have meanings consistent with the context of the present specification and should not be construed in an idealized or overly formal manner.

In this document, unless specifically stated otherwise, directional terms such as "upper," "lower," "left," "right," "inner," "outer," and the like are used to refer to an orientation or positional relationship shown based on the drawings, and are merely for convenience in describing the present utility model, rather than to indicate or imply that the devices, elements, or components referred to must have a particular orientation, be configured or operated in a particular orientation. It should be understood that when the absolute positions of the described objects are changed, the relative positional relationship they represent may also be changed accordingly. Accordingly, these directional terms should not be construed to limit the present utility model.

Where expressions like at least one of "A, B and C, etc. are used, the expression" system having at least one of A, B and C "shall be construed, for example, in general, in accordance with the meaning of the expression as commonly understood by those skilled in the art, and shall include, but not be limited to, systems having a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc. Where a formulation similar to at least one of "A, B or C, etc." is used, such as "a system having at least one of A, B or C" shall be interpreted in the sense one having ordinary skill in the art would understand the formulation generally, for example, including but not limited to systems having a alone, B alone, C alone, a and B together, a and C together, B and C together, and/or A, B, C together, etc.

The elevator door knives of different elevator devices have different models, and corresponding elevator door locks are required to be adapted so as to realize opening and closing of the elevator door locks, thereby realizing opening and closing of the elevator doors. At present, the elevator door lock has the advantages of multiple types, low modularization degree, low applicability, poor convenience in opening and closing operation and use of the elevator door lock and poor use effect.

In one exemplary embodiment, as shown in fig. 1, an elevator door lock includes an adapter 1, a locking mechanism 2, and an unlocking mechanism 4. The adapter 1 is arranged on an elevator landing door upper sill positioned between the first elevator door sliding plate 01 and the second elevator door sliding plate 02; the locking mechanism 2 includes a main body portion 21 rotatably mounted to the first elevator door slide 01 through a pivot 23 and a lock hook 22 extending from the main body portion 21 toward the second elevator door slide 02, the locking mechanism 2 being configured such that, as the first elevator door slide 01 moves toward the second elevator door slide 02 and closes with the second elevator door slide 02, the lock hook 22 of the locking mechanism 2 slides over the adapter 1 and rotates under its own weight to the lock end 12 of the hook adapter 1 away from the first elevator door slide 01 to prevent the first elevator door slide 01 from sliding away from the second elevator door slide 02; the unlocking mechanism 4 is detachably mounted to the main body 21 of the locking mechanism 2 and is configured to drive the locking mechanism 2 out of engagement with the locking end 12 of the adapter 1 by cooperating with an unlocking member of an elevator to allow the first elevator door slide 01 to move away from the adapter 1 under an external force.

According to the elevator door lock of the above embodiment, in the process of moving the first elevator door slide 01 toward the second elevator door slide 02 and closing and resetting with the second elevator door slide 02 at the time of maintenance, the lock hook 22 of the locking mechanism 2 slidably passes over the adapter 1 on the adapter 1 and rotates to the lock end 12 of the hook adapter 1 away from the first elevator door slide 01 under the action of self gravity to prevent the first elevator door slide 01 from sliding away from the second elevator door slide 02, thereby locking the first elevator door slide 01 and the second elevator door slide 02; when the first elevator door slide plate 01 and the second elevator door slide plate 02 are opened, the unlocking mechanism 4 is matched with an unlocking piece of an elevator to rotate and separate from the locking end 12 of the adapter 1 by using the driving locking mechanism 2, so that the first elevator door slide plate 01 is allowed to move towards a direction away from the adapter 1 under the action of external force, the first elevator door slide plate 01 and the second elevator door slide plate 02 are opened, the unlocking mechanism 4 is detachable, the unlocking mechanism 4 matched with the unlocking piece of the elevator is convenient to replace, the applicability of an elevator door lock is improved, the first elevator door slide plate 01 and the second elevator door slide plate 02 are convenient to open and close, and the convenience of open and close operation and use is improved.

In an exemplary embodiment, as shown in fig. 1, a first elevator door sliding plate 01 and a second elevator door sliding plate 02 are located on the same plane, and an adapter 1 is mounted on an elevator landing sill (not shown in the figure) between the first elevator door sliding plate 01 and the second elevator door sliding plate 02. The lock mechanism 2 includes a main body portion 21, a lock hook 22, and a pivot 23. The main body 21 is parallel to the first door slide 01, the pivot 23 is perpendicular to the first door slide 01, the main body 21 is rotatably attached to the first door slide 01 by the pivot 23, and the lock hook 22 extends from the main body 21 toward the second door slide 02. The locking mechanism 2 is configured such that, as the first elevator door slide 01 moves toward the second elevator door slide 02 and closes with the second elevator door slide 02, the locking hook 22 of the locking mechanism 2 slides over the adapter 1 and rotates under its own weight to the locking end 12 of the hooking adapter 1 away from the first elevator door slide 01 to prevent the first elevator door slide 01 from sliding away from the second elevator door slide 02.

In an exemplary embodiment, as shown in fig. 1 and 2, the end of the adapter 1 near the first elevator door slide 01 extends obliquely downward to form a guide 11, the guide 11 guiding the latch hook 22 upward to the upper surface of the adapter 1 during the movement of the first elevator door slide 01 toward the second elevator door slide 02 to allow the latch hook 22 to pass over the adapter 1 and rotate downward under its own weight to engage the locking end 12 of the adapter 1.

In one exemplary embodiment, as shown in fig. 2, the front end of the latch hook 22 forms an inclined end surface that mates with the guide 11.

According to the embodiment of the disclosure, in the process of moving the first elevator door sliding plate 01 towards the second elevator door sliding plate 02 and closing and resetting the second elevator door sliding plate 02 during maintenance, the locking mechanism 2 moves along with the movement of the first elevator door sliding plate 01, the locking hook 22 moves towards the direction approaching the guide part 11, the front end of the locking hook 22 is matched with the guide part 11, the guide part 11 guides the locking hook 22 upwards to the upper surface of the adapter 1 so as to allow the locking hook 22 to pass through the adapter 1 and rotate downwards to be matched with the locking end 12 of the adapter 1 under the action of self gravity, and the front end of the locking hook 22 and the guide part 11 are matched for use, so that the smoothness of hooking of the locking hook 22 with the locking end 12 of the adapter 1 is improved, and the convenience of locking operation of the first elevator door sliding plate 01 and the second elevator door sliding plate 02 is improved.

In an exemplary embodiment, as shown in fig. 1, the elevator door lock further comprises a stop mechanism 3, the stop mechanism 3 being mounted to the first elevator door slide 01 and configured to prevent the latch hook 22 of the locking mechanism 2 from rotating below the adapter 1 to allow the latch hook 22 to slidably pass over the adapter 1 on the upper surface of the adapter 1 to the locking end 12 of the adapter 1.

In an exemplary embodiment, as shown in fig. 1, the stopper mechanism 3 includes a stopper 31 and a stopper hole 32. The limiting block 31 is arranged on the first elevator door sliding plate 01, the limiting block 31 is a cylinder, and the limiting block 31 is perpendicular to the first elevator door sliding plate 01; the limiting hole 32 is formed in the main body 21, and the limiting block 31 is inserted into the limiting hole 32, so that the main body 21 rotates within a predetermined angle range relative to the first elevator door sliding plate 01, and the locking hook 22 is prevented from rotating below the adapter 1.

According to the embodiment of the disclosure, when the locking mechanism 2 and the adapter 1 are in the separated state, the limiting block 31 is located in the limiting hole 32, and the limiting block 31 supports the main body 21 of the locking mechanism 2 upwards, so as to prevent the latch hook 22 from rotating below the adapter 1. During the process that the locking mechanism 2 contacts with the guiding part 11 of the adapter 1 and the relative sliding occurs, the guiding part 11 guides the lock hook 22 and the main body part 21 upwards to the upper surface of the adapter 1, the main body part 21 rotates around the pivot 23, and the limiting block 31 and the limiting hole 32 enable the main body part 21 to rotate within a preset angle range relative to the first elevator door sliding plate 01.

In one exemplary embodiment, as shown in fig. 3, 4 and 5, the elevator door lock further includes a contact base 71 and a contact 72. The contact seat 71 is arranged on the upper surface of the adapter 1; the contact 72 is mounted to the lower surface of the body portion 21 of the locking mechanism 2, and the contact 72 is configured to rotate with the locking mechanism 2 so that, with the latch hook 22 hooked to the adapter 1, the contact 72 is electrically contacted and locked with the contact seat 71, thereby detecting that the first and second elevator door sliding plates 01 and 02 are locked.

According to the embodiment of the present disclosure, in the process that the locking mechanism 2 rotates to the locking end 12 of the hook-and-hold adapter 1 under the action of self gravity, the contact 72 moves along with the rotation of the main body part 21 of the locking mechanism 2 towards the direction approaching the contact seat 71, the contact 72 is electrically contacted with and locked with the contact seat 71, the locking stability of the locking mechanism 2 and the adapter 1 is further improved, and simultaneously, the locking of the first elevator door sliding plate 01 and the second elevator door sliding plate 02 is detected to prompt the staff.

In an exemplary embodiment, as shown in fig. 5, the upper surface of the adapter 1 is provided with a shock pad 9, and the material of the shock pad 9 is an elastic material, such as a rubber pad or a silicone pad. In the process that the locking mechanism 2 rotates to the locking end 12 of the hook-and-hook adapter 1 under the action of self gravity, the shock pad 9 is in elastic contact with the main body part 21 of the locking mechanism 2, so that the impact force between the locking mechanism 2 and the adapter 1 is reduced, and the protection of the locking mechanism 2 is improved.

In an exemplary embodiment, as shown in fig. 2, the unlocking mechanism 4 is detachably mounted to the main body 21 of the locking mechanism 2 and is configured to disengage the locking mechanism 2 from the locking end 12 of the adapter 1 by use of the driving locking mechanism in cooperation with an unlocking member of an elevator to allow the first elevator door slide 01 to move away from the adapter 1 under an external force.

In one exemplary embodiment, as shown in fig. 2, the unlocking mechanism 4 includes a mounting plate 41 and a plurality of steering wheels 42. The mounting plate 41 is detachably mounted on one end of the main body 21 far from the latch hook 22; a plurality of operating wheels 42 are provided on the mounting plate 41 and are configured to cooperate with an unlocking member of an elevator to drive the main body 21 to rotate so that the locking hook 22 is disengaged from the locking end 12 of the adapter 1. In one exemplary embodiment, as shown in FIG. 2, the steering wheel 42 is rotatably mounted to the mounting plate 41.

In this embodiment, the unlocking mechanism 4 is provided with two types, the first type, as shown in fig. 3, of which two operating wheels 42 are distributed at intervals, and the interval between the two operating wheels is larger than the width of the unlocking member of the elevator. Second, as shown in fig. 4, the two operating wheels 42 are spaced apart, with the spacing of the two operating wheels being less than the width of the unlocking member of the elevator. The position and number of the operating wheels 42 are not limited herein and can be used in conjunction with an elevator lock.

The unlocking piece (not shown in the figure) of the elevator is an elevator door vane. The unlocking piece comprises a first supporting rod, a second supporting rod and a driving mechanism. The first stay bar and the second stay bar are parallel and are arranged at intervals, and the first stay bar and the second stay bar move towards a direction approaching or separating from each other under the driving of the driving mechanism. In the case of the first unlocking mechanism 4, the first stay bar and the second stay bar are located between the two operation wheels, and in the process that the driving mechanism drives the first stay bar and the second stay bar to be far away from each other, the operation wheels rotate around the central axis of the operation wheels, and simultaneously the main body part 21 of the locking mechanism 2 rotates clockwise around the pivot 23, and the locking hook 22 is separated from the locking end 12 of the adapter 1. In the case of the first unlocking mechanism 4, the two operating wheels are located between the first stay bar and the second stay bar, and in the process that the driving mechanism drives the first stay bar and the second stay bar to approach each other, the operating wheels rotate around the central axis of the driving mechanism, and simultaneously the main body part 21 of the locking mechanism 2 rotates clockwise around the pivot 23, and the locking hook 22 is separated from the locking end 12 of the adapter 1.

According to the embodiment of the disclosure, according to the unlocking mechanism 4 used in cooperation with the unlocking piece replacement of the elevator, the applicability of the elevator door lock is improved, only the unlocking mechanism 4 is required to be replaced, the whole locking mechanism 2 is not required to be replaced, the operation is convenient, and the use cost is reduced.

In an exemplary embodiment, as shown in fig. 2, an elastic sleeve 43 is sleeved on the periphery of the steering wheel 42, and the elastic sleeve 43 is made of an elastic material, for example, rubber or silica gel. The elastic sheath 43 may be nylon, without limitation. The elastic sleeve 43 is in elastic contact with the unlocking part of the elevator, when the elastic sleeve 43 is extruded by external force, the elastic sleeve can be subjected to micro deformation, the acting force between the operating wheel and the unlocking part of the elevator is weakened, the protection of the operating wheel is improved, and the service life of the operating wheel is prolonged.

In an exemplary embodiment, as shown in fig. 2, the unlocking mechanism 4 further comprises a screw 5 and a nut. The screw 5 is configured to pass through the first mounting hole 411 on the mounting plate 41 and the second mounting hole on the main body portion 21; the nut is configured to cooperate with the screw 5 to removably mount the mounting plate 41 to the body portion 21. The unlocking mechanism 4 may also be a clip such that the mounting plate 41 is detachably mounted on the main body portion 21.

In an exemplary embodiment, as shown in fig. 2 and 6, the first mounting hole 411 is an open hole, and the first mounting hole 411 extends along the length direction of the main body 21, so that the mounting position of the mounting plate 41 can be adjusted according to the position of the unlocking member of the elevator, and the degree of fit of the unlocking mechanism 4 with the unlocking member of the elevator is improved.

In an exemplary embodiment, as shown in fig. 1 and 7, the elevator door lock further includes an auxiliary plate 6, the auxiliary plate 6 is mounted on the second elevator door sliding plate 02, a lock hole 61 is provided on the auxiliary plate 6, the lock hole 61 penetrates through the auxiliary plate 6, and in the case that the first elevator door sliding plate 01 and the second elevator door sliding plate 02 are closed, the lock hook 22 rotates under the action of self gravity and is inserted into the lock hole 61 to lock the first elevator door sliding plate 01 and the second elevator door sliding plate 02, the lock hole 61 is locked with the lock hook 22, and the locking stability of the first elevator door sliding plate 01 and the second elevator door sliding plate 02 is further improved.

In an exemplary embodiment, as shown in fig. 1 and 5, the elevator door lock further comprises an auxiliary unlocking mechanism 8, the auxiliary unlocking mechanism 8 being configured to drive the main body portion 21 to rotate by an external force to drive the latch hook 22 to disengage from the locking end 12 of the adapter 1.

In one exemplary embodiment, as shown in fig. 1 and 5, the auxiliary unlocking mechanism 8 includes a lever mechanism 81 and an unlocking lever 82. The lever mechanism 81 is rotatably mounted on the adapter 1, and the lever mechanism 81 includes a driving end 811 driven by an external force and a driven end 812; the unlocking lever 82 is mounted at the driven end 812 and is configured to push the body portion 21 to rotate under the driving of the driving end 811 to drive the latch hook 22 to disengage from the locking end 12 of the adapter 1.

According to the embodiment of the present disclosure, when an unlocking member of an elevator malfunctions or other emergency, the driving end 811 of the lever mechanism 81 is driven counterclockwise by an external force, so that the driven end 812 is rotated counterclockwise, the unlocking lever 82 is lifted upward as the driven end 812 is rotated, so that the locking mechanism 2 is lifted upward, so that the locking hook 22 is disengaged from the locking end 12 of the adapter 1, to allow the first elevator door sliding plate 01 to move away from the adapter 1 by the external force, so that the first elevator door sliding plate 01 is opened.

According to the elevator door lock provided by the utility model, in the process that the first elevator door sliding plate 01 moves towards the second elevator door sliding plate 02 and is closed with the second elevator door sliding plate 02, the lock hook 22 of the locking mechanism 2 slides over the adapter 1 and rotates to the locking end 12 of the hook adapter 1 away from the first elevator door sliding plate 01 under the action of self gravity, so that the first elevator door sliding plate 01 is prevented from sliding away from the second elevator door sliding plate 02, and the first elevator door sliding plate 01 and the second elevator door sliding plate 02 are locked; when the first elevator door slide plate 01 and the second elevator door slide plate 02 are opened, the unlocking mechanism 4 is matched with an unlocking piece of an elevator to rotate and separate from the locking end 12 of the adapter 1 by using the driving locking mechanism 2, so that the first elevator door slide plate 01 is allowed to move towards a direction away from the adapter 1 under the action of external force, the first elevator door slide plate 01 and the second elevator door slide plate 02 are opened, the unlocking mechanism 4 is detachable, the unlocking mechanism 4 matched with the unlocking piece of the elevator is convenient to replace, the applicability of an elevator door lock is improved, the first elevator door slide plate 01 and the second elevator door slide plate 02 are convenient to open and close, and the convenience of open and close operation and use is improved.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no changes, substitutions, or alterations herein may be made without departing from the spirit and principles of the present utility model.

Claims (13)

1. An elevator door lock, comprising:

the adapter (1) is arranged on an elevator landing door upper sill positioned between the first elevator door sliding plate (01) and the second elevator door sliding plate (02);

a locking mechanism (2) comprising a main body part (21) rotatably mounted to the first elevator door slide (01) by a pivot (23) and a lock hook (22) extending from the main body part (21) toward the second elevator door slide (02), the locking mechanism (2) being configured such that during movement of the first elevator door slide (01) toward the second elevator door slide (02) and closing with the second elevator door slide (02), the lock hook (22) of the locking mechanism (2) slides over the adapter (1) on the adapter (1) and rotates under its own weight to hook the lock end (12) of the adapter (1) away from the first elevator door slide (01) to prevent the first elevator door slide (01) from sliding away from the second elevator door slide; and

and the unlocking mechanism (4) is detachably arranged on the main body part (21) of the locking mechanism (2) and is configured to drive the locking mechanism (2) to be separated from the locking end (12) of the adapter (1) by being matched with an unlocking piece of an elevator so as to allow the first elevator door sliding plate (01) to move away from the adapter (1) under the action of external force.

2. Elevator door lock according to claim 1, characterized in that the unlocking mechanism (4) comprises:

a mounting plate (41) detachably mounted to the main body (21); and

the plurality of control wheels (42) are arranged on the mounting plate (41) and are configured to be matched with an unlocking piece of an elevator for use so as to drive the main body part (21) to rotate, and the locking hook (22) is separated from the locking end (12) of the adapting piece (1).

3. Elevator door lock according to claim 2, characterized in that the unlocking mechanism (4) further comprises:

a screw (5) configured to pass through a first mounting hole (411) on the mounting plate (41) and a second mounting hole on the main body portion (21);

and a nut configured to be used in cooperation with the screw (5) to detachably mount the mounting plate (41) on the main body portion (21) and to be left and right adjustable according to an actual unlocking position.

4. Elevator door lock according to claim 2, characterized in that the operating wheel (42) is rotatably mounted to the mounting plate (41).

5. Elevator door lock according to claim 2, characterized in that the outer periphery of the operating wheel (42) is provided with an elastic sleeve (43).

6. Elevator door lock according to claim 1, characterized in that the end of the adapter (1) near the first elevator door slide (01) extends obliquely downwards forming a guide (11), which guide (11) guides the locking hook (22) upwards to the upper surface of the adapter (1) during the movement of the first elevator door slide (01) towards the second elevator door slide (02) to allow the locking hook (22) to pass over the adapter (1) and to rotate downwards under its own weight into engagement with the locking end (12) of the adapter (1).

7. Elevator door lock according to claim 6, characterized in that the front end of the locking hook (22) forms an inclined end face cooperating with the guide (11).

8. Elevator door lock according to any of claims 1-7, characterized in that it further comprises a limit mechanism (3), which limit mechanism (3) is mounted to the first elevator door slide (01) and is configured to prevent the locking hook (22) of the locking mechanism (2) from rotating below the adapter (1) to allow the locking hook (22) to slide over the adapter (1) on the upper surface of the adapter (1) to the locking end (12) of the adapter (1).

9. Elevator door lock according to claim 8, characterized in that the limit mechanism (3) comprises:

a limiting block (31) arranged on the first elevator door sliding plate (01); and

the limiting hole (32) is formed in the main body portion (21), and the limiting block (31) is inserted into the limiting hole (32) so that the main body portion (21) rotates in a preset angle range relative to the first elevator door sliding plate (01) and prevents the locking hook (22) from rotating to the lower portion of the adapter (1).

10. Elevator door lock according to any of claims 1-7, characterized in that it further comprises an auxiliary plate (6), which auxiliary plate (6) is mounted to the second elevator door slide (02), which auxiliary plate (6) is provided with a locking hole (61), and in the case of the first elevator door slide (01) and the second elevator door slide (02) being closed, the locking hook (22) rotates under its own weight and is inserted into the locking hole (61) to lock the first elevator door slide (01) with the second elevator door slide (02).

11. The elevator door lock of any of claims 1-7, further comprising:

a contact base (71) mounted to the adapter (1); and

a contact (72) mounted to the locking mechanism (2), the contact (72) being configured to rotate with the locking mechanism (2) so that, with the latch hook (22) hooked to the adapter (1), the contact (72) is in electrical contact with the contact base (71) and locked, thereby detecting that the first elevator door slide (01) is locked with the second elevator door slide (02).

12. Elevator door lock according to any of claims 1-7, characterized by an auxiliary unlocking mechanism (8) configured to drive the main body part (21) into rotation by an external force to drive the locking hook (22) out of engagement with the locking end (12) of the adapter part (1).

13. Elevator door lock according to claim 12, characterized in that the auxiliary unlocking mechanism (8) comprises:

the lever mechanism (81) is rotatably arranged on the adapter (1) and comprises a driving end and a driven end which are driven by external force; and

an unlocking lever (82) is mounted at the driven end and is configured to push the main body part (21) to rotate under the drive of the driving end so as to drive the locking hook (22) to be separated from the locking end (12) of the adapter (1).