CN218909537U

CN218909537U - Elevator landing door device with crank

Info

Publication number: CN218909537U
Application number: CN202223438780.7U
Authority: CN
Inventors: 唐毅; 沈强; 潘唐玉; 沈琪; 夏洪平; 黄先刚; 莫路加
Original assignee: Zhejiang ELLY Elevator Co Ltd
Current assignee: Zhejiang ELLY Elevator Co Ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-04-25
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a layer door device with a crank type elevator, which comprises a mounting plate (1), wherein a core rod (2) is connected to the mounting plate (1) in a sliding manner, one end of the core rod (2) is connected with a door closing spring (4) through a pressing plate (3), the other end of the core rod (2) is rotationally connected with a rear crank (5), one end of the rear crank (5) is rotationally connected with the mounting plate (1), the other end of the rear crank (5) is connected with a driving part, a layer door fixing piece (6) connected with a layer door is arranged on the driving part, and the layer door fixing piece (6) is rotationally connected with the driving part. The utility model has the characteristics of convenient installation and good closing effect.

Description

Elevator landing door device with crank

Technical Field

The utility model relates to an elevator landing door closing device, in particular to an elevator landing door device with a crank.

Background

In order to ensure that the elevator landing door is in a closed state stably when the elevator car stops, the elevator landing door is provided with a self-closing device. The existing self-closing devices are divided into a heavy hammer type self-closing device and a spring type self-closing device, wherein the heavy hammer type self-closing device is shown in a patent 202010915162.3, the outer part of a landing door is connected with a heavy hammer through a steel wire rope transmission structure, the heavy hammer can drive the landing door to keep a closed state in a natural falling state, and the defect of the structure is that abnormal sound of the landing door when the landing door is closed can be caused by pulling the door plate to close by the dead weight of the heavy hammer. The spring type self-closing device is shown in patent 201821494662.9, and a spring is additionally arranged on a pulley transmission mechanism at the top of the landing door, so that the pulling force of the spring drives the landing doors at two sides to be closed under the action of a rope pulley to realize the closing effect. However, the structure has the defects that the upper end of the landing door is driven in a traction way, so that the landing door is easy to incline when being stressed, namely the landing door is easy to vibrate and abnormal sound in the opening and closing process; on the other hand, the structure also needs to be additionally provided with a rope wheel mechanism outside the pulley mechanism at the top of the landing door, thereby increasing the structural complexity and the assembly difficulty of the top of the landing door and having the possibility of obstructing the existing pulley mechanism.

Therefore, there is a need for an elevator landing door self-closing device that is easy to install and has a good closing effect.

Disclosure of Invention

The utility model aims to provide a landing door device with a crank type elevator. It has the characteristics of convenient installation and good closing effect.

The technical scheme of the utility model is as follows: the utility model provides a take crank elevator landing door device, includes the mounting panel, sliding connection has the plug on the mounting panel, and the one end of plug is connected with the door spring through the clamp plate, and the other end of plug rotates and is connected with back crank, and the mounting panel is connected in the rotation of back crank one end, and back crank other end is connected with drive division, is equipped with the landing door mounting of connection landing door on the drive division, rotates between landing door mounting and the drive division to be connected.

In the elevator landing door device with the crank, one side of the mounting plate is provided with the limiting part, one end of the core rod penetrates through the limiting part to be connected with the pressing plate, and the door closing spring is arranged between the pressing plate and the limiting part.

In the elevator landing door device with the crank, the limiting part is provided with a strip hole for the core rod to pass through.

In the elevator landing door device with the crank, the driving part comprises a straight handle and a front crank which are connected in a rotating way, one end of the straight handle is connected with a rear crank in a rotating way, and landing door fixing pieces are connected to the straight handle and the front crank.

In the elevator landing door device with the crank, the landing door fixing piece comprises a fixing plate, and one side of the fixing plate is connected with the driving part through a rotating shaft.

In the elevator landing door device with the crank, a first connecting surface parallel to the rear crank is formed on one side of the fixing plate, and the first connecting surface is detachably connected with the landing door side wall.

In the elevator landing door device with the crank, a second connecting surface perpendicular to the rear crank is formed on one side of the fixing plate, and the second connecting surface is detachably connected with the end surface of the landing door.

In the elevator landing door device with the crank, the elevator landing door device with the crank further comprises a stand column, two ends of the stand column are respectively connected with the landing door hanging plate and the landing door sill, and the mounting plate is connected to the stand column.

In the elevator landing door device with the crank, the pressing block is connected to one end of the straight handle, which is close to the rear crank.

Compared with the prior art, the utility model has the following characteristics:

(1) The middle part of the landing door can be driven to be closed by the cooperation of the mounting plate, the core rod, the door closing spring and the driving part, so that the closing stability of the landing door is improved compared with the existing end traction mode, the occupation of the top space of the landing door is avoided, and the installation of manufacturers is facilitated; the back crank is driven to rotate by the cooperation of the door closing spring, the mounting plate and the core rod to realize closing, so that the occupied space of the driving structure is reduced, and the closing stability of the landing door can be improved;

(2) Through the driving part consisting of the straight handle and the front crank, the rear crank can drive the two landing doors to act simultaneously after rotating, so that the utility model can realize stable driving effect when being used for double-folding landing doors and middle-split double-folding landing doors; through the structural optimization of the fixed plate, the fixed plate can be suitable for landing doors with different sliding positions, and the closing effect of the utility model is further improved;

therefore, the utility model has the characteristics of convenient installation and good closing effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of FIG. 1 in the direction A;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of the installation of the present utility model in use with a split double-ply door;

fig. 5 is a schematic view of the installation of the present utility model when used in a double-ply door.

The marks in the drawings are: the device comprises a mounting plate 1, a core rod 2, a pressing plate 3, a door closing spring 4, a rear crank 5, a door fixing piece 6, a limiting part 7, a long strip hole 8, a straight shank 9, a front crank 10, an upright post 11, a pressing block 12, a fixing plate 601 and a rotating shaft 602.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples. The elevator landing door device with the crank comprises a mounting plate 1 connected with a lift car, wherein a core rod 2 is slidably connected to the mounting plate 1, one end of the core rod 2 is connected with a door closing spring 4 through a pressing plate 3, the other end of the core rod 2 is rotatably connected with a rear crank 5, one end of the rear crank 5 is rotatably connected with the mounting plate 1, the other end of the rear crank 5 is connected with a driving part, a landing door fixing piece 6 connected with a landing door is arranged on the driving part, and the landing door fixing piece 6 is rotatably connected with the driving part.

One side of the mounting plate 1 is provided with a limiting part 7, one end of the core rod 2 passes through the limiting part 7 and is connected with the pressing plate 3, the door closing spring 4 is arranged between the pressing plate 3 and the limiting part 7, the door closing spring 4 can be a compression spring, and the compression spring is arranged outside the core rod 2 in a plurality of inner and outer dislocation sleeves.

The limiting part 7 is provided with a strip hole 8 for the core rod 2 to pass through.

The driving part comprises a straight shank 9 and a front crank 10 which are connected in a rotating way, one end of the straight shank 9 is connected with a rear crank 5 in a rotating way, and the straight shank 9 and the front crank 10 are both connected with a landing door fixing piece 6.

The landing door fixing piece 6 comprises a fixing plate 601, one side of the fixing plate 601 is connected with the driving part through a rotating shaft 602, the rotating shaft 602 can be a bolt, the fixing plate 601 is detachably connected with the driving part through a bolt structure, and the outer side of the bolt is connected with the driving part through a sleeve and a bearing.

One side of the fixing plate 601 forms a first connection surface parallel to the rear crank 5, and the first connection surface is detachably connected with the landing door side wall.

One side of the fixing plate 601 forms a second connecting surface perpendicular to the rear crank 5, and the second connecting surface is detachably connected with the end surface of the landing door.

Still include stand 11, landing door link plate and landing sill are connected respectively at the both ends of stand 11, mounting panel 1 connects on stand 11.

The straight shank 9 is connected with a pressing block 12 at one end close to the rear crank 5; the pressing block 12 can drive the straight handle 9 to rotate towards the horizontal direction by utilizing the weight of the pressing block 12 when the landing door is closed, so that the closing stability of the landing door is improved.

The working principle of the utility model is as follows: when the folding door is installed, the straight handle 9 is rotatably connected to the slow door of the double-folding door through the layer door fixing piece 6, and the front crank 10 is rotatably connected to the shutter of the double-folding door through the layer door fixing piece. When the landing door is opened, the shutter is driven by the elevator car door to translate and open, and drives the front crank 10 to rotate and translate; the front crank 10 rotates and translates to drive the straight handle 9 to cooperatively move and rotate, so as to drive the slow door to move and open in the same direction, and the double-folding door is opened. The rear crank 5 is driven by the straight shank 9 to rotate in a matched manner, so that one end of the core rod 2 is inclined and lowered; the core rod 2 is retracted by the pressing plate 3 after being lowered, so that the closing spring 4 applies an upward driving force to the core rod 2 by the pressing plate 3 after being retracted. When the landing door is closed, the door closing spring 4 drives the core rod 2 to move upwards, so that the core rod 2 is lifted and then drives the rear crank 5 to rotate and reset, and the rear crank 5 drives the straight handle 9 and the front crank 10 to rotate and translate in sequence after rotating, thereby realizing the closing of the elevator landing door.

When the utility model is used for the middle-split double-folding door, an installer can drive and close the middle-split double-folding door only by symmetrically arranging the door devices on the two side doors in two groups.

Claims

1. Take crank type elevator layer door gear, its characterized in that: including mounting panel (1), sliding connection has plug (2) on mounting panel (1), and the one end of plug (2) is connected with door spring (4) through clamp plate (3), and the other end of plug (2) rotates and is connected with back crank (5), and the one end of back crank (5) rotates and connects mounting panel (1), and the other end of back crank (5) is connected with drive division, is equipped with layer door mounting (6) of connection layer door on the drive division, rotates between layer door mounting (6) and the drive division to be connected.

2. The cranked elevator landing door device according to claim 1, characterized in that: one side of the mounting plate (1) is provided with a limiting part (7), one end of the core rod (2) penetrates through the limiting part (7) to be connected with the pressing plate (3), and the door closing spring (4) is arranged between the pressing plate (3) and the limiting part (7).

3. The cranked elevator landing door device according to claim 2, characterized in that: the limiting part (7) is provided with a strip hole (8) for the core rod (2) to pass through.

4. The cranked elevator landing door device according to claim 1, characterized in that: the driving part comprises a straight shank (9) and a front crank (10) which are connected in a rotating way, one end of the straight shank (9) is connected with a rear crank (5) in a rotating way, and the straight shank (9) and the front crank (10) are both connected with a landing door fixing piece (6).

5. The cranked elevator landing door device according to claim 1, characterized in that: the landing door fixing piece (6) comprises a fixing plate (601), and one side of the fixing plate (601) is connected with the driving part through a rotating shaft (602).

6. The cranked elevator landing door device according to claim 5, characterized in that: one side of the fixing plate (601) forms a first connecting surface parallel to the rear crank (5), and the first connecting surface is detachably connected with the side wall of the landing door.

7. The cranked elevator landing door device according to claim 5, characterized in that: one side of the fixing plate (601) forms a second connecting surface perpendicular to the rear crank (5), and the second connecting surface is detachably connected with the end face of the landing door.

8. The cranked elevator landing door device according to claim 1, characterized in that: still include stand (11), landing door link plate and landing sill are connected respectively at the both ends of stand (11), mounting panel (1) are connected on stand (11).

9. The cranked elevator landing door device according to claim 4, characterized in that: the straight shank (9) is connected with a pressing block (12) at one end close to the rear crank (5).