CN221116613U - Landing door device - Google Patents

Abstract

The application discloses a landing door device, which comprises a bottom plate and a landing door hanging plate, wherein a guide rail is arranged below the bottom plate, the landing door hanging plate slides along the top of the guide rail through a roller to realize door opening and closing, and the landing door device also comprises a rope wheel assembly for realizing the linkage of the landing door hanging plate, a heavy hammer assembly for realizing forced door closing and a landing door lock for locking the landing door to prevent the landing door from being opened; the rope pulley assembly comprises two rope pulleys and a linkage rope wound on the rope pulleys; the landing door hanging plate comprises a first hanging plate and a second hanging plate, and the two landing door hanging plates are respectively arranged on the linkage ropes with opposite moving directions. The device has simple structure and small occupied space, and meets the requirements of new national standards.

Description

Landing door device

Technical Field

The application relates to the technical field of elevator accessories, in particular to a landing door device.

Background

Elevator landing doors are one of the important components of an elevator door system, mainly for isolating passengers from the elevator hoistway, i.e. when the elevator car reaches a set floor, the elevator landing doors are opened to enable a customer to enter the corridor from the elevator car or to enter the elevator car from the corridor. The bottom plate of the elevator landing door device is a basic frame piece of the whole landing door device, and all parts of the elevator landing door device are mounted by taking the bottom plate as a support.

At present, the landing door device of the elevator disclosed in some documents adopts rollers on landing door hanging plates to be matched with the top of a guide rail of a bottom plate to realize guiding, and an upper limiting piece is arranged above the bottom plate to realize limiting of the landing door hanging plates, so that the landing door device has a complex structure and large occupied space.

Disclosure of Invention

In view of the above, the application provides a landing door device which has simple structure, small occupied space and meets the requirements of new national standards; the technical scheme is as follows:

The landing door device comprises a bottom plate and a landing door hanging plate, wherein a guide rail is arranged below the bottom plate, the landing door hanging plate slides along the top of the guide rail through a roller to realize door opening and closing, the landing door hanging plate performs limit with the bottom of the guide rail through a limit wheel, and the landing door device further comprises a rope wheel assembly for realizing linkage of the landing door hanging plate; the rope pulley assembly comprises two rope pulleys and a linkage rope wound on the rope pulleys; the landing door hanging plate comprises a first hanging plate and a second hanging plate, and the two hanging plates are respectively arranged on the linkage ropes with opposite moving directions.

Preferably, the side surface of the guide rail is of an N type formed by one-time bending.

Preferably, the landing door hanging plate is provided with an anti-unhooking hook for preventing the landing door hanging plate from being separated from the guide rail, the anti-unhooking hook is arranged at the top and bottom positions of the guide rail, and the anti-unhooking hook can prevent the landing door hanging plate from being separated from the top and bottom of the guide rail.

Preferably, the landing door device of the present application further includes a weight assembly for forcing the landing door to close, and the weight assembly is disposed on the first hanging plate or the second hanging plate.

Preferably, the rope pulleys are all horizontally arranged on the bottom plate.

Further preferably, the sheave assembly further comprises a tensioning assembly and a linkage assembly; the tensioning assembly comprises a tensioning plate, wherein the tensioning plate is used for connecting the first hanging plate with the linkage rope, and an adjusting piece is arranged for adjusting the overall tension of the linkage rope; the linkage assembly comprises a linkage plate, and the linkage plate is used for connecting the second hanging plate with the linkage rope so that the second hanging plate moves along with the linkage rope.

Preferably, the bottom plate is provided with a limiting bracket for preventing the landing door plate from colliding when the landing door plate is closed in place, and the limiting bracket is matched with the linkage assembly to realize collision prevention, or/and the limiting bracket is matched with the tensioning assembly to realize collision prevention.

The application has the beneficial effects that:

(1) The side surface of the guide rail is designed into an N shape, the guide rail below the bottom plate can be bent and formed at one time, and the process difficulty is reduced, so that the bottom plate is convenient to produce and manufacture;

(2) The rope wheel vertically arranged in the prior art is changed into horizontal arrangement, and the rope wheel can be of smaller specification, so that the landing door device is compact in structure, and meanwhile, the arrangement difficulty of the linkage rope is reduced, so that the production cost and the manufacturing difficulty are reduced;

(3) The landing door hanging plate slides along the top of the guide rail through the roller to realize door opening and closing, and the landing door hanging plate limits the bottom of the guide rail through the limiting wheel to prevent the landing door hanging plate from being separated from the guide rail; the design is ingenious, the structure is compact, and the occupied space is small.

Drawings

FIG. 1 is a schematic view of a landing door assembly according to the present application;

FIG. 2 is a schematic view of a base plate according to the present application;

Fig. 3 is a cross-sectional view taken along the direction C-C of fig. 1 (the sheave assembly, weight assembly are not shown);

Fig. 4 is a schematic structural view of a landing door hanging plate and an anti-unhooking hook according to the present application.

In the figure: 1. landing door link plate, 11, first link plate, 12, second link plate, 2, rope sheave assembly, 21, rope sheave, 22, linkage rope, 3, bottom plate, 31, guide rail, 4, tensioning assembly, 5, linkage assembly, 6, weight assembly, 61, weight wire rope, 62, weight, 63, weight rope sheave, 7, unhook prevention, 10, landing door lock, 14, gyro wheel, 15, spacing wheel.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments of the present application are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The application is further described with reference to fig. 1 to 4, and the landing door device comprises a bottom plate 3 and two landing door hanging plates 1, wherein a guide rail 31 is arranged below the bottom plate 3, the landing door hanging plates 1 slide along the top of the guide rail 31 through rollers 14 to realize door opening and closing, and the landing door hanging plates 1 limit the bottom of the guide rail 31 through limit wheels 15. Wherein, the two landing door hanging plates 1 are respectively a first hanging plate 11 and a second hanging plate 12.

The bottom plate 3 is a basic frame piece of the whole landing door device and is used for supporting the landing door hanging plate 1; in this embodiment, the first hanging plate 11 is used for connecting with a first fixed layer door panel; the second hanging plate 12 is linked with the first hanging plate 11 and is used for connecting the fixed layer door plate II.

Referring to fig. 2 to 3, the side surface of the guide rail 31 is formed in an N-shape by one-time bending, and the guide rail 31 and the bottom plate 3 are integrally formed. The landing door hanging plate 1 is provided with an anti-unhooking hook 7 which is used for preventing the landing door hanging plate 1 from being separated from the guide rail 31 when the landing door hanging plate is impacted at the top and the bottom of the guide rail 31.

The landing door device further comprises a rope pulley assembly 2 for realizing linkage of the landing door hanging plate 1; the rope pulley assembly 2 comprises two rope pulleys 21 and a linkage rope 22 wound on the rope pulleys 21, as shown in fig. 1, the rope pulleys 21 are horizontally arranged on the bottom plate 3, two ends of the linkage rope 22 are connected with the first hanging plate 11 through a tensioning assembly 4, and the tensioning assembly 4 is used for adjusting the tension of the linkage rope 22 so that the first hanging plate 11 drives the tensioning assembly 4 to move along the direction of the guide rail 31; the second hanging plate 12 is fixedly connected to the linkage rope 22 through the linkage assembly 5, the second hanging plate 12 is arranged on the linkage rope 22 opposite to the moving direction of the first hanging plate 11, and when the first hanging plate 11 moves, the second hanging plate 12 and the linkage assembly 5 move together along the opposite direction of the guide rail through the linkage rope 22.

The tensioning assembly 4 and the linkage assembly 5 are arranged on a linkage rope 22 with opposite moving directions, the tensioning assembly 4 can also be used for connecting a second hanging plate, and the linkage assembly 5 is used for connecting a first hanging plate.

The rope wheel 21 can rotate anticlockwise or clockwise; as shown in fig. 1, when the sheave 21 rotates clockwise, the tensioning assembly 4 moves horizontally to the left, thereby driving the landing door to close; when the rope wheel 21 rotates anticlockwise, the tensioning assembly 4 moves horizontally to the right, so that the landing door is driven to be opened.

The landing door device further comprises a weight assembly 6, wherein the weight assembly 6 comprises a weight wire rope 61, a weight 62 and a weight rope wheel 63. In this embodiment, the weight rope wheel 63 is disposed on the second hanging plate 12, the weight rope 61 bypasses the weight rope wheel 63, one end is fixedly connected with the weight 62, the other end is fixedly connected with the tensioning assembly 4, so as to pull the first hanging plate 11 to slide, and the weight 62 provides forced door closing force for the landing door; forced closing force may also be provided by a spring.

The tensioning assembly 4 comprises a tensioning plate, the tensioning plate is used for connecting the first hanging plate 11 with the linkage rope 22, an adjusting piece is arranged for adjusting the overall tension of the linkage rope 22, and the adjusting piece can be an adjusting bolt and an adjusting nut.

The linkage assembly 5 includes a linkage plate for connecting the second hanger plate 12 with the linkage line 22 such that the second hanger plate 12 moves with the linkage line 22.

Still be equipped with the spacing support that is used for preventing layer door plant collision on the bottom plate 3, be equipped with spacing cushion on the spacing support to prevent layer door plant at the production of the in-process noise of closing the door. The limiting support is arranged in the door closing direction of the first hanging plate 11 and matched with the tensioning assembly to realize anti-collision; or/and is arranged in the door closing direction of the second hanging plate 12, and is matched with the linkage assembly to realize anti-collision.

The landing door device further comprises a landing door lock 10, wherein the landing door lock 10 consists of a mechanical interlocking component and an electrical interlocking component, and the mechanical interlocking component locks the landing door when the elevator landing door is closed, so that the danger of falling of personnel and the like is avoided; the electrical interlocking assembly is used for verifying whether the landing door is closed and locked. Wherein the mechanical interlocking component is arranged on the first hanging plate 11, and the electrical interlocking component is arranged on the bottom plate 3.

The working principle of the landing door device of the application is as follows: when the landing door needs to be opened, the landing door lock 10 is driven to be opened by the car door knife, and then the car door lock is driven to slide in the opening direction by the driving component, so that the first hanging plate 11 is driven to slide by the mechanical interlocking component, the first hanging plate 11 realizes the linkage of the second hanging plate 12 by the linkage component 5, and the second hanging plate 12 is driven to slide along the opposite sliding direction of the first hanging plate 11;

When the landing door needs to be closed, the driving assembly drives the car door lock to slide towards the closing direction, so that the first hanging plate 11 is driven to slide, the second hanging plate 12 is linked to slide towards each other until the mechanical interlocking assembly moves to the closing position, the car door knife releases the mechanical interlocking assembly, and the locking hook of the mechanical interlocking assembly is reset to lock the landing door lock 10.

Claims (7)

1. A landing door apparatus, characterized in that: the landing door hanging plate slides along the top of the guide rail through rollers to realize door opening and closing, and the landing door hanging plate performs limit with the bottom of the guide rail through limit wheels, and also comprises a rope wheel assembly for realizing landing door hanging plate linkage; the rope pulley assembly comprises two rope pulleys and a linkage rope wound on the rope pulleys; the landing door hanging plate comprises a first hanging plate and a second hanging plate, and the two hanging plates are respectively arranged on the linkage ropes with opposite moving directions.

2. The landing door apparatus of claim 1, wherein: the side surface of the guide rail is of an N type formed by one-time bending.

3. The landing door apparatus of claim 1, wherein: the landing door link plate is provided with an anti-unhooking hook for preventing the landing door link plate from being separated from the guide rail, the anti-unhooking hook is arranged at the top and bottom positions of the guide rail, and the anti-unhooking hook can prevent the landing door link plate from being separated from the top and bottom of the guide rail.

4. The landing door apparatus of claim 1, wherein: the rope pulleys are horizontally arranged on the bottom plate.

5. The landing door apparatus of claim 1, wherein: the rope pulley assembly also comprises a tensioning assembly and a linkage assembly; the tensioning assembly comprises a tensioning plate, wherein the tensioning plate is used for connecting the first hanging plate with the linkage rope, and an adjusting piece is arranged for adjusting the overall tension of the linkage rope; the linkage assembly comprises a linkage plate, and the linkage plate is used for connecting the second hanging plate with the linkage rope so that the second hanging plate moves along with the linkage rope.

6. The landing door apparatus of claim 5, wherein: the floor is provided with a limiting support for preventing the landing door plate from colliding when the landing door plate is closed in place, and the limiting support is matched with the linkage assembly to realize collision prevention, or/and the limiting support is matched with the tensioning assembly to realize collision prevention.

7. The landing door apparatus of claim 1, wherein: the door closing forced heavy hammer assembly is arranged on the first hanging plate or the second hanging plate.