Elevator landing door device

Abstract

This utility model relates to an elevator landing door device, comprising: a base plate, which is elongated and horizontally mounted on the top of the elevator landing door, with a C-shaped cross-section. Guide rails are respectively provided above and below the opening of the C-shaped structure; a door hanger assembly, including a sliding part and a door hanger part, with multiple rollers on the sliding part, the rollers conforming to the guide rails to allow the door hanger assembly to move horizontally along the guide rails; and a rope pulley assembly, including rope pulleys and a linkage rope. There are two rope pulleys, which are installed on the bottom of the base plate near the bottom of the base plate and near the two ends extending in the direction of the base plate. The linkage ropes are wound around the rope pulleys and pass through them, pulling the door hanger assembly to move horizontally along the guide rails. The sliding part of the door hanger assembly is provided with an anti-disengagement hook, which is vertically arranged on the left and right sides of the sliding part, protruding in the vertical direction, and locked inside the guide rails of the base plate to prevent the door hanger assembly from falling off the guide rails. The elevator landing door device according to this utility model has good impact resistance.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, and more specifically, to an elevator landing door device. Background Technology

[0002] With the rapid development of society, elevators have become an indispensable part of daily travel for the public, and people's requirements for elevator quality are constantly increasing. The landing door system is a core component that serves as the first line of defense for people entering the elevator.

[0003] Currently, the base plate structure of existing elevator landing door devices is not very impact-resistant. When the landing door is hit, there is a risk that the landing door may fall off the sill due to excessive deformation of the landing door device. When the existing elevator landing door device is running, the position of the door hanging plate limit wheel is prone to generating noise.

[0004] Therefore, there is an urgent need to optimize elevator landing doors and develop an elevator landing door device with better impact resistance and quieter operation. Summary of the Invention

[0005] The technical problem this utility model aims to solve is that the base plate structure of the elevator landing door device has low impact resistance, and when the landing door is hit, there is a risk that the landing door may fall off the sill due to excessive deformation of the landing door device; and noise is easily generated at the position of the door hanging plate limit wheel when the elevator landing door device is running.

[0006] To solve the above-mentioned technical problems, this utility model provides an elevator landing door device, comprising: a base plate, which is long and horizontally mounted on the top of the elevator landing door, with a C-shaped cross-section, and guide rails provided above and below the opening of the C-shaped structure; a door hanging plate assembly, including a sliding part and a door hanging part, with multiple rollers provided on the sliding part, the rollers conforming to the guide rails so that the door hanging plate assembly can move horizontally along the guide rails; and a rope wheel assembly, including rope wheels and a linkage rope, with two rope wheels installed at the bottom position of the base plate near the base plate and near the two ends of the base plate extending in the direction of extension, the linkage rope winding around the rope wheels and passing through them to pull the door hanging plate assembly to move horizontally along the guide rails, wherein the sliding part of the door hanging plate assembly is provided with anti-disengagement hooks, which are vertically arranged on the left and right sides of the sliding part and protruding in the vertical direction, respectively engaging with the inner side of the upper and lower guide rails of the base plate to prevent the door hanging plate assembly from falling off the guide rails.

[0007] According to an embodiment of the present invention, a non-metallic buffer layer may be provided on the surface of the roller to reduce the noise of the roller running on the guide rail.

[0008] According to an embodiment of this utility model, there can be three rollers, arranged in an isosceles triangle on the hanging plate. One roller can be on the upper side and two rollers on the lower side.

[0009] According to an embodiment of this utility model, there may be two door hanging components, which can be opened or closed relative to each other after being pulled and linked by the rope wheel assembly.

[0010] According to an embodiment of the present invention, the door hanging plate assembly may further include a left-layer door hanging plate and a right-layer door hanging plate for opening and closing relative to each other, which are fixedly installed on the door hanging part.

[0011] According to an embodiment of the present invention, the elevator landing door device may further include: a door lock assembly, which includes a lock hook and a landing door lock, respectively fixed to the left and right landing door hanging plates to achieve the function of locking the landing door to prevent the landing door from opening.

[0012] According to an embodiment of the present invention, the elevator landing door device may further include: a door lock assembly, and a counterweight assembly for realizing the forced door closing function.

[0013] According to an embodiment of the present invention, the rope pulley assembly may further include a linkage assembly and a tensioning assembly, wherein the linkage assembly is used to realize the linkage between the door hanging plate assembly and the base plate, and the tensioning assembly is used to realize the tensioning of the linkage rope.

[0014] According to an embodiment of the present invention, the elevator landing door device may further include: a cap, the cap being disposed on one side of the base plate and connected to the one side of the base plate by bolts, the cap being connected to a rope wheel, and the tensioning assembly using the bolt on the right cap to adjust the left and right position of the right rope wheel to realize the tension of the linkage rope, wherein adjusting the bolt on the cap to move the rope wheel realizes the tension of the linkage rope.

[0015] Compared with the prior art, the technical solution provided by the embodiments of this utility model can achieve at least the following beneficial effects:

[0016] The elevator landing door device according to this utility model has good impact resistance, good safety performance, stable operation, and quiet operation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only involve some embodiments of this utility model, and are not intended to limit this utility model.

[0018] Figure 1 This is a schematic diagram of an elevator landing door device according to an embodiment of the present utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the base plate according to an embodiment of the present utility model;

[0020] Figure 3 yes Figure 1 A schematic diagram of the cross-section;

[0021] Figure 4 This is a schematic diagram showing the sliding part of the door hanging panel assembly according to an embodiment of the present utility model;

[0022] Figure 5 yes Figure 1 Enlarged view of the right end. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains. The terms “first,” “second,” and similar terms used in this patent application specification and claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “an” or “a” and similar terms do not indicate a limitation of quantity, but rather indicate the presence of at least one.

[0025] Figure 1 This is a schematic diagram of an elevator landing door device according to an embodiment of the present utility model; Figure 2 This is a schematic cross-sectional view of the base plate according to an embodiment of the present utility model; Figure 3 yes Figure 1 A schematic diagram of the cross-section; Figure 4 This is a schematic diagram showing the sliding part of the door hanging panel assembly according to an embodiment of the present utility model.

[0026] like Figures 1 to 4 As shown, the elevator landing door device includes: a base plate 1, a door hanging plate assembly 2, and a rope pulley assembly 3.

[0027] The base plate 1 is a long strip, horizontally installed on the top of the elevator landing door, with a C-shaped cross-section. Guide rails 11 are installed above and below the opening of the C-shaped structure.

[0028] The door hanging panel assembly 2 includes a sliding part 22 and a door hanging part 24. Multiple rollers 21 are provided on the sliding part 22, and the rollers 21 are in contact with the guide rail 11 so that the door hanging panel assembly 2 can move horizontally along the guide rail 11.

[0029] The rope wheel assembly 3 includes a rope wheel 32 and a linkage rope 33. There are two rope wheels 32. The rope wheels 32 are installed at the bottom position of the base plate 1 near the base plate 1 and at both ends near the extension direction of the base plate 1. The linkage rope 33 winds around the rope wheel 32 and passes through it, and can pull the door hanging plate assembly 2 to move horizontally along the guide rail 11.

[0030] The sliding part 22 of the door hanging plate assembly 2 is provided with an anti-detachment hook 23. The anti-detachment hook 23 is vertically arranged on the left and right sides of the sliding part 22 and protrudes in the vertical direction. It is respectively locked inside the upper and lower guide rails 11 of the base plate 1 to prevent the door hanging plate assembly 2 from falling off the guide rails 11.

[0031] According to one or more embodiments of the present invention, the surface of the roller 21 is provided with a buffer layer of non-metallic material to reduce the noise of the roller 21 running on the guide rail 11.

[0032] The elevator landing door device according to this utility model has good impact resistance, good safety performance, stable operation, and quiet operation.

[0033] According to one or more embodiments of this utility model, there are three rollers 21, arranged in an isosceles triangle on the hanging plate. There is one roller 21 on the upper side and two rollers 21 on the lower side.

[0034] According to one or more embodiments of this utility model, there are two door hanging components, which can be opened or closed relative to each other after being pulled and linked by the rope wheel assembly 3.

[0035] According to one or more embodiments of the present invention, the door hanging plate assembly 2 further includes a left-layer door hanging plate and a right-layer door hanging plate for opening and closing relative to each other, which are fixedly installed on the door hanging part 24.

[0036] According to one or more embodiments of the present invention, the elevator landing door device further includes: a door lock assembly 4, which includes a lock hook and a landing door lock, respectively fixed to the left and right landing door hanging plates to achieve the function of locking the landing door to prevent the landing door from opening.

[0037] According to one or more embodiments of the present invention, the elevator landing door device further includes: a door lock assembly 4, and a counterweight assembly 5, for realizing the forced door closing function.

[0038] According to one or more embodiments of the present invention, the rope wheel assembly 3 further includes a linkage assembly 31 and a tensioning assembly 34, wherein the linkage assembly 31 is used to realize the linkage between the door hanging plate assembly 2 and the base plate 1, and the tensioning assembly 34 is used to realize the tensioning of the linkage rope 33.

[0039] Figure 5 yes Figure 1 Enlarged view of the right end.

[0040] like Figure 5As shown, the elevator landing door device also includes: a cap 6, which is set on one side of the base plate 1 and connected to the one side of the base plate 1 by bolts. The cap 6 is connected to a rope wheel 32. The tensioning assembly 34 adjusts the left and right position of the right rope wheel 32 by adjusting the bolt on the right cap 6 to realize the tension of the linkage rope 33. Specifically, adjusting the bolt on the cap 6 causes the rope wheel 32 to move, thereby achieving the tension of the linkage rope 33.

[0041] In this embodiment, the landing door device includes a base plate 1, a door hanging plate assembly 2, a rope pulley assembly 3, a door lock assembly 4, a counterweight assembly 5, and a cap 6. Guide rails are provided above and below the base plate 1. The landing door hanging plate 2 includes a left hanging plate and a right hanging plate, and the door opens and closes by sliding rollers along the guide rails. Each of the two landing door hanging plates includes three rollers, which are arranged in a triangular pattern on the hanging plate. The two landing door hanging plates are equipped with anti-detachment hooks to prevent the door from falling off the base plate. The rope pulley assembly 3 is used to achieve linkage between the landing door hanging plates. The rope pulley assembly includes two rope pulleys and a linkage rope wound around the rope pulleys; the landing door hanging plate includes a left hanging plate and a right hanging plate, and the two landing door hanging plates are respectively mounted on linkage ropes moving in opposite directions. The door lock assembly 4 includes a lock hook and a landing door lock, which are fixed to the left and right landing door hanging plates respectively to lock the landing door and prevent it from opening. The counterweight assembly 5 is used to achieve a forced closing function.

[0042] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the scope of protection of the present invention. The scope of protection of the present invention is determined by the appended claims.

Claims

1. An elevator landing door device, characterized in that, include: The base plate is a long strip that is horizontally installed on the top of the elevator landing door. The cross-section is C-shaped, and guide rails are installed above and below the opening of the C-shaped structure. A door hanging panel assembly includes a sliding part and a door hanging part. The sliding part is provided with a plurality of rollers, which are in contact with the guide rail so that the door hanging panel assembly can move horizontally along the guide rail. The rope pulley assembly includes two rope pulleys, which are mounted on the bottom of the base plate near its fixed position and at both ends extending from the base plate. The linkage rope winds around the rope pulleys, passes through them, and is capable of pulling the door hanging panel assembly horizontally along the guide rail. The sliding part of the door hanging plate assembly is equipped with anti-detachment hooks. The anti-detachment hooks are vertically arranged on the left and right sides of the sliding part and protrude in the vertical direction. They are respectively locked inside the upper and lower guide rails of the base plate to prevent the door hanging plate assembly from falling off the guide rails.

2. The elevator landing door device as described in claim 1, characterized in that, The roller surface is provided with a non-metallic buffer layer to reduce noise when the roller runs on the guide rail.

3. The elevator landing door device as described in claim 1, characterized in that, There are three rollers, which are arranged in an isosceles triangle on the hanging plate.

4. The elevator landing door device as described in claim 3, characterized in that, There is one roller on the top and two rollers on the bottom.

5. The elevator landing door device as described in claim 1, characterized in that, The door hanger assembly consists of two units, which can be opened or closed relative to each other after being pulled and linked by the rope wheel assembly.

6. The elevator landing door device as described in claim 5, characterized in that, The door mounting plate assembly also includes a left-layer door mounting plate and a right-layer door mounting plate for opening and closing relative to each other, which are fixedly installed on the door mounting part.

7. The elevator landing door device as described in claim 1, characterized in that, Also includes: A door lock assembly, comprising a lock hook and a landing door lock, is fixed to the left and right landing door mounting plates respectively, to achieve the function of locking the landing door and preventing it from being opened.

8. The elevator landing door device as described in claim 1, characterized in that, Also includes: The door lock assembly also includes a counterweight assembly for implementing a forced closing function.

9. The elevator landing door device as described in claim 1, characterized in that, The rope pulley assembly further includes a linkage component and a tensioning component, wherein the linkage component is used to realize the linkage of the door hanging plate assembly relative to the base plate, and the tensioning component is used to realize the tensioning of the linkage rope.

10. The elevator landing door device as described in claim 9, characterized in that, Also includes: The end cap is located on one side of the base plate and is bolted to the side of the base plate. The end cap is connected to a rope pulley. The tensioning assembly uses the bolt on the right end cap to adjust the left and right position of the right rope pulley to realize the tension of the linkage rope. Specifically, adjusting the bolt on the end cap moves the rope pulley, thereby achieving the tension of the linkage rope.

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