CN219448980U

CN219448980U - Elevator door vane transmission structure

Info

Publication number: CN219448980U
Application number: CN202320081815.1U
Authority: CN
Inventors: 杨凯; 陈良军
Original assignee: Hangzhou Geluoli Elevator Co ltd
Current assignee: Xiong'an Bolt Technology Development Co.,Ltd.
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-08-01
Anticipated expiration: 2033-01-13

Abstract

The utility model relates to the technical field of elevators, in particular to an elevator door vane transmission structure. It has solved spare part because of wearing and tearing yielding problem. The door lock comprises a door lock assembly, a door knife, a fixed plate and a driven plate, wherein one end of the door knife is rotationally connected to the door lock assembly, the door lock assembly is installed on a hoistway door, the fixed plate is fixedly installed on a car door, the driven plate is slidingly connected to the car door, the free end of the door knife is connected with a transmission piece, a first locking position and a second locking position are arranged on the transmission piece, the free end of the door knife is locked through the transmission piece when being rotated to the first locking position or the second locking position, and the door lock assembly is correspondingly in an open or closed state when being rotated to the first locking position or the second locking position. The utility model discloses a locking board and locking spring locking door sword that sets up, the location effect is good, avoids the door sword wearing and tearing to aggravate, prevents effectively that spare part from warp because of wearing and tearing, guarantees life.

Description

Elevator door vane transmission structure

Technical Field

The utility model relates to the technical field of elevators, in particular to an elevator door vane transmission structure.

Background

The elevator door knife is arranged on the car door of the elevator and used for driving the hall door, so that the device for realizing the synchronization of the hall door and the car door is generally in a long strip shape, and is vividly called as a door knife. The elevator door knife is correctly called as an elevator door machine, also called as a door opening machine, and is an opening and closing device of an elevator car door, and is mainly responsible for a mechanism for opening and closing the elevator car door.

An asynchronous door knife with a car door lock is provided in the published Chinese patent application of patent number 201410017018.2. The asynchronous door knife is that the door knife moves with the car door at the same time, and before the car door is linked with the landing door, the car door generally needs to travel a certain stroke. In the asynchronous door knife structure, the closing operation of a pair of door knife blades needs to be driven by a cam positioned on one side of the door knife blades, and when the door knife blades are fully opened, rollers on the door knife blades need to enter a notch of the cam and are limited after being blocked with the cam.

In the asynchronous door vane with the structure, one obvious technical defect exists: the reaction force of the door knife blade is applied to the cam, so that the friction coefficient of the contact surface of the roller on the door knife blade and the cam is relatively large, and therefore, parts are easy to deform due to abrasion, and the service life is influenced.

Disclosure of Invention

The utility model provides an elevator door vane transmission structure, which is characterized in that a door vane is locked by a locking plate and a locking spring, so that the positioning effect is good, the door vane abrasion is prevented from being aggravated, the parts are effectively prevented from being deformed due to abrasion, and the service life is ensured.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the elevator door knife transmission structure comprises a door lock assembly, a door knife, a fixed plate and a driven plate, wherein one end of the door knife is rotationally connected to the door lock assembly, the door lock assembly is arranged on a hoistway door, the fixed plate is fixedly arranged on a car door, the driven plate is slidingly connected to the car door, a transmission piece is connected to the free end of the door knife, a first locking position and a second locking position are arranged on the transmission piece, the free end of the door knife is locked through the transmission piece when being rotated to the first locking position or the second locking position, and the door lock assembly is correspondingly in an open or closed state when being rotated to the first locking position or the second locking position.

Further, the door lock assembly comprises a lock seat, a lock hook and a lock block, wherein the lock seat is arranged on the hoistway door, the lock hook is fixedly connected with the door knife coaxially, the lock hook is rotationally connected to the lock seat, the lock block is arranged on the hoistway door, and the free end of the door knife is positioned at a second locking position when the lock hook is used for locking the lock block.

Further, the driving medium includes first extension board, second extension board, locking board and locking spring, first extension board and second extension board are parallel to each other, the both ends of first extension board and second extension board correspond respectively and articulate on fixed plate and driven plate, door sword, fixed plate and driven plate three are parallel to each other, door sword is articulated with first extension board, door sword is articulated with the second extension board, the one end and the second extension board of locking board are articulated, the locking groove has been seted up on the door sword, the both ends in locking groove correspond first locking position and second locking position respectively, be equipped with the pivot on the second extension board, pivot sliding fit is in the locking inslot, locking spring's both ends connect locking board's free end and second extension board respectively, the locking groove is arc and self centre of a circle and latch hook concentric setting.

Further, a reset spring is connected between the fixed plate and the driven plate, and the reset spring is in a normal state when the first support plate is perpendicular to the fixed plate.

Further, the distance between the lock hook and the lock block is 5-9MM.

The utility model has the beneficial effects that:

through the locking board and the locking spring locking door sword that set up, the location effect is good, avoids door sword wearing and tearing aggravate, effectively prevents spare part because of wearing and tearing deformation, guarantees life.

Drawings

Fig. 1 is a schematic diagram of a door opening state of the elevator door vane transmission structure;

fig. 2 is a schematic structural view of the door closing state of the elevator door vane transmission structure;

FIG. 3 is a schematic view of a structure of a locking groove;

FIG. 4 is a schematic view of the structure of the locking plate;

reference numerals illustrate:

01. a hall door; 02. a car door; 1. a door lock assembly; 11. a lock base; 12. a latch hook; 13. a locking piece; 2. a door knife; 3. a fixing plate; 4. a driven plate; 5. a transmission member; 51. a first support plate; 52. a second support plate; 53. a locking plate; 54. a locking spring; 6. a first locking position; 7. a second locking position; 8. a locking groove; 9. a rotating shaft; 10. and a return spring.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the elevator door knife transmission structure comprises a door lock assembly 1, a door knife 2, a fixed plate 3 and a driven plate 4, wherein one end of the door knife 2 is rotationally connected to the door lock assembly 1, the door lock assembly 1 is installed on a hall door 01, the fixed plate 3 is fixedly installed on a car door 02, the driven plate 4 is slidingly connected to the car door 02, the free end of the door knife 2 is connected with a transmission piece 5, a first locking position 6 and a second locking position 7 are arranged on the transmission piece 5, the free end of the door knife 2 is locked through the transmission piece 5 when being rotated to the first locking position 6 or the second locking position 7, and the door lock assembly 1 is correspondingly in an open or closed state when the free end of the door knife 2 is rotated to the first locking position 6 or the second locking position 7.

In this embodiment, the door lock assembly 1 includes a lock base 11, a lock hook 12 and a lock block 13, the lock base 11 is disposed on the hoistway door 01, the lock hook 12 is fixedly connected with the door knife 2 coaxially, the lock hook 12 is rotatably connected to the lock base 11, the lock block 13 is disposed on the hoistway door 01, and the free end of the door knife 2 is located at the second locking position 7 when the lock hook 12 locks the lock block 13.

In this embodiment, the transmission member 5 includes a first supporting plate 51, a second supporting plate 52, a locking plate 53 and a locking spring 54, where the first supporting plate 51 and the second supporting plate 52 are parallel to each other, two ends of the first supporting plate 51 and the second supporting plate 52 are correspondingly hinged on the fixed plate 3 and the driven plate 4, the door knife 2, the fixed plate 3 and the driven plate 4 are parallel to each other, the door knife 2 is hinged with the first supporting plate 51, the door knife 2 is hinged with the second supporting plate 52, one end of the locking plate 53 is hinged with the second supporting plate 52, the door knife 2 is provided with a locking slot 8, two ends of the locking slot 8 are corresponding to the first locking position 6 and the second locking position 7, the second supporting plate 52 is provided with a rotating shaft 9, the rotating shaft 9 is slidably matched in the locking slot 8, two ends of the locking spring are respectively connected with a free end of the locking plate 53 and the second supporting plate 52, the locking slot 8 is arc-shaped, and the circle center of the locking slot 8 is concentric with the lock hook 12.

In this embodiment, a return spring 10 is connected between the fixed plate 3 and the driven plate 4, and the return spring 10 is in a normal state when the first support plate 51 is perpendicular to the fixed plate 3. Through the reset spring 10 that sets up, when fixed plate 3 and driven plate 4 keep away from each other, reset spring 10 is stretched, does benefit to fixed plate 3 and driven plate 4 and resets each other, keeps the stable tensioning force between fixed plate 3 and the driven plate 4.

In this embodiment, the distance between the latch hook 12 and the latch block 13 is 5-9MM.

Working principle:

as shown in fig. 1 to 4, firstly, the latch hook 12 is in driving connection with an external driving device, and the latch hook 12 is driven to rotate by the driving device;

when the door is opened, the lock hook 12 drives the door knife 2 to rotate, and when the door knife 2 rotates, the first support plate 51 and the second support plate 52 are driven to incline, so that the rotating shaft 9 slides into the first locking position 6, and meanwhile, the lock hook 12 is driven to be separated from the locking piece 13, and the door opening operation is realized; when the locking plate 53 rotates, the locking spring 54 is stretched, and when the locking hook 12 stops rotating, the locking plate 53 is driven to squeeze the rotating shaft 9 through the locking spring 54, so that the rotating shaft 9 is conveniently stabilized in the first locking position 6, and the locking hook 12 is effectively fixed at the current position;

when the door is closed, the lock hook 12 approaches the lock block 13, the free end of the door knife 2 correspondingly rotates, so that the rotating shaft 9 is separated from the first locking position 6 and slides into the second locking position 7, when the rotating shaft 9 is positioned in the second locking position 7, the lock hook 12 is buckled with the lock block 13, and the rotating shaft 9 is locked again through the locking spring 54, so that the rotating shaft 9 is effectively prevented from moving, and the lock hook 12 is effectively fixed.

The relative movement between the fixed plate 3 and the driven plate 4 is guaranteed through the first support plate 51 and the second support plate 52, the door knife 2 is locked through the locking plate 53 and the locking spring 54, the positioning effect is good, the abrasion aggravation of the door knife 2 is avoided, the deformation of parts due to abrasion is effectively prevented, and the service life is guaranteed.

All technical features in the embodiment can be freely combined according to actual needs.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

The foregoing embodiments are preferred embodiments of the present utility model, and other embodiments are included, without departing from the spirit of the present utility model.

Claims

1. The elevator door knife transmission structure comprises a door lock assembly, a door knife, a fixed plate and a driven plate, and is characterized in that one end of the door knife is rotationally connected to the door lock assembly, the door lock assembly is installed on a hoistway door, the fixed plate is fixedly installed on a car door, the driven plate is slidingly connected to the car door, the free end of the door knife is connected with a transmission piece, a first locking position and a second locking position are arranged on the transmission piece, the free end of the door knife is locked through the transmission piece when being rotated to the first locking position or the second locking position, and the door lock assembly is correspondingly in an open or closed state when being rotated to the first locking position or the second locking position.

2. The elevator door knife transmission structure of claim 1, wherein the door lock assembly comprises a lock seat, a lock hook and a lock block, the lock seat is arranged on the hoistway door, the lock hook is fixedly connected with the door knife coaxially, the lock hook is rotatably connected to the lock seat, the lock block is arranged on the hoistway door, and the free end of the door knife is positioned at the second locking position when the lock hook is used for locking the lock block.

3. The elevator door vane transmission structure of claim 2, wherein the transmission piece comprises a first support plate, a second support plate, a locking plate and a locking spring, the first support plate and the second support plate are parallel to each other, two ends of the first support plate and the second support plate are correspondingly hinged to a fixed plate and a driven plate respectively, the door vane, the fixed plate and the driven plate are parallel to each other, the door vane is hinged to the first support plate, the door vane is hinged to the second support plate, one end of the locking plate is hinged to the second support plate, a locking groove is formed in the door vane, two ends of the locking groove correspond to a first locking position and a second locking position respectively, a rotating shaft is arranged on the second support plate, the rotating shaft is in the locking groove in a sliding fit mode, two ends of the locking spring are connected with a free end of the locking plate and the second support plate respectively, and the locking groove is arc-shaped, and the circle center of the locking groove and the locking hook are concentrically arranged.

4. The elevator door vane transmission structure of claim 3, wherein a return spring is connected between the fixed plate and the driven plate, and the return spring is in a normal state when the first support plate is perpendicular to the fixed plate.

5. The elevator door vane transmission structure of claim 2, wherein a distance between the latch hook and the latch block is 5-9MM.