CN216190248U

CN216190248U - Elevator car door opening and closing locking device

Info

Publication number: CN216190248U
Application number: CN202122473615.4U
Authority: CN
Inventors: 刘国华; 张琦
Original assignee: Oubin Electromechanical Technology Kunshan Co ltd
Current assignee: Oubin Electromechanical Technology Kunshan Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-05
Anticipated expiration: 2031-10-14

Abstract

The utility model relates to an opening and closing locking device for an elevator car door, which comprises a hanging plate, a door plate and a car door, wherein the door plate is connected with the hanging plate in a sliding manner, the car door is in threaded connection with the door plate, the lower end of the hanging plate is provided with a lead screw lifting module, a lifting support is fixedly connected to a moving platform of the lead screw lifting module, the left end and the right end of the lifting support are respectively provided with a locking assembly, each locking assembly comprises a seat plate, two guide plates, an insert block and a first roller wheel, the two guide plates are respectively in threaded connection with the left end and the right end of the seat plate, the first roller wheel is rotatably connected with the insert block, the middle part of the door plate is provided with a positioning block, the middle part of the positioning block is provided with an insertion groove, and the left end and the right end of the positioning block can be rotatably connected with a plurality of second roller wheels. The utility model has the beneficial effects that: can lock it at the position that opens and shuts of elevator sedan-chair door, avoid the sedan-chair door to open and shut at will, reduce the potential safety hazard, and life is longer.

Description

Elevator car door opening and closing locking device

Technical Field

The utility model relates to the field of elevator equipment, in particular to an opening and closing locking device for an elevator car door.

Background

An elevator is a vertical elevator powered by an electric motor and equipped with a box-like car for carrying people or cargo in a multi-story building. A vertical lift elevator has a car that travels between at least two vertical rows of rigid guide rails.

The existing elevator car door is positioned only by opening and stopping the motor when opening and closing: and the other part of the car door is ensured to be in a closed state by a door motor with a holding torque. When a fault occurs, the horizontal sliding car door can be easily opened, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the elevator car door opening and closing locking device can be locked at the opening and closing position of the elevator car door, the car door is prevented from being opened and closed at will, potential safety hazards are reduced, and the service life is long.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an elevator sedan-chair door locking device that opens and shuts, includes link plate, door plant and sedan-chair door, but door plant and link plate sliding connection, sedan-chair door and door plant threaded connection, the lower extreme of link plate is provided with lead screw lift module, fixedly connected with lifting support on lead screw lift module's the mobile station, both ends all are provided with the locking subassembly about lifting support, the locking subassembly includes bedplate, deflector, inserted block and first gyro wheel, the deflector specifically has two, and two deflectors respectively with the bedplate about both ends threaded connection, first gyro wheel and inserted block rotatable coupling, the middle part of door plant is provided with the locating piece, open at the middle part of locating piece has the slot, both ends all can rotate and be connected with a plurality of second gyro wheels about the locating piece.

Furthermore, the lead screw lifting module is in threaded connection with the hanging plate, the upper end of the insertion block is triangular, and the insertion block and the slot are correspondingly arranged.

Furthermore, the base plate is in threaded connection with the lifting support, the upper end of the guide plate inclines towards one end far away from the insertion block, and the first roller is arranged corresponding to the insertion groove.

Furthermore, the positioning block is in threaded connection with the door plate; the plurality of second rollers are distributed on the positioning block in a linear array, and the second rollers are arranged corresponding to the guide plate.

The utility model has the beneficial effects that: through the cooperation use of lead screw lifting module, lifting support, locking Assembly and locating piece, can lock it at the elevator sedan-chair door position that opens and shuts, avoid the sedan-chair door to open and shut at will, reduce the potential safety hazard, and life is longer.

Drawings

FIG. 1 is a schematic axial view of an opening/closing locking device for an elevator car door according to the present invention;

FIG. 2 is an exploded view of a door panel of an elevator car door opening and closing locking device according to the present invention from a first perspective;

FIG. 3 is an exploded view of a door panel of an elevator car door opening and closing locking device according to a second aspect of the present invention;

FIG. 4 is a schematic view of a locking assembly of an elevator door opening and closing locking device of the present invention;

fig. 5 is a schematic diagram of a positioning block of the elevator car door opening and closing locking device of the utility model.

In the figure: 1. hanging the plate; 2. a door panel; 3. a car door; 4. a screw rod lifting module; 401. a lifting support; 501. a seat plate; 502. a guide plate; 503. inserting a block; 504. a first roller; 6. positioning blocks; 601. a slot; 602. a second roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-5, the elevator car door opening and closing locking device comprises a hanging plate 1, a door plate 2 and a car door 3, the door plate 2 is connected with the hanging plate 1 in a sliding way, the car door 3 is connected with the door plate 2 in a threaded way, the lower end of the hanging plate 1 is provided with a screw rod lifting module 4, a lifting bracket 401 is fixedly connected on the moving platform of the screw rod lifting module 4, locking components are arranged at the left end and the right end of the lifting bracket 401, the locking assembly comprises a seat plate 501, two guide plates 502, an insert block 503 and a first roller 504, wherein the two guide plates 502 are provided, and two guide plates 502 are respectively in threaded connection with the left end and the right end of the seat plate 501, the first roller 504 is rotatably connected with the insert block 503, the middle part of door plant 2 is provided with locating piece 6, open at the middle part of locating piece 6 has slot 601, both ends all can rotate to be connected with a plurality of second gyro wheels 602 about locating piece 6.

The lead screw lifting module 4 is in threaded connection with the hanging plate 1, the upper end of the inserting block 503 is triangular, and the inserting block 503 is arranged corresponding to the slot 601.

The seat plate 501 is in threaded connection with the lifting support 401, the upper end of the guide plate 502 is inclined towards the end far away from the insertion block 503, and the first roller 504 is arranged corresponding to the insertion slot 601.

The positioning block 6 is in threaded connection with the door panel 2; a plurality of the second rollers 602 are distributed on the positioning block 6 in a linear array, and the second rollers 602 are disposed corresponding to the guide plate 502.

The working principle of the utility model is as follows: when the elevator car door is in an opening and closing position in use, the lead screw lifting module 4 drives the lifting support 401 to ascend, the locking assemblies at the left end and the right end of the lifting support 401 respectively correspond to two opening and closing positions of the car door, when the lifting support 401 ascends, the guide plates 502 are attached to the second roller, the two guide plates 502 lock and limit the positioning blocks 6, and the first roller 504 on the insertion block 503 rolls into the slot 601 to further limit the positioning blocks 6.

The above examples are intended to further illustrate the present invention, but are not intended to limit the utility model to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.

Claims

1. The utility model provides an elevator sedan-chair door locking device that opens and shuts, includes link plate (1), door plant (2) and sedan-chair door (3), its characterized in that: the door plate (2) is connected with the hanging plate (1) in a sliding way, the car door (3) is connected with the door plate (2) in a threaded way, the lower end of the hanging plate (1) is provided with a screw rod lifting module (4), a lifting bracket (401) is fixedly connected on a moving platform of the screw rod lifting module (4), the left end and the right end of the lifting support (401) are respectively provided with a locking assembly, the locking assemblies comprise a seat plate (501), guide plates (502), inserting blocks (503) and first rollers (504), the number of the guide plates (502) is two, and the two guide plates (502) are respectively in threaded connection with the left end and the right end of the seat plate (501), the first roller (504) is rotatably connected with the inserting block (503), the middle part of the door plate (2) is provided with a positioning block (6), the middle part of locating piece (6) is opened has slot (601), both ends all can rotate to be connected with a plurality of second gyro wheels (602) about locating piece (6).

2. The elevator car door opening and closing locking device according to claim 1, characterized in that: the lead screw lifting module (4) is in threaded connection with the hanging plate (1), the upper end of the inserting block (503) is triangular, and the inserting block (503) is arranged corresponding to the inserting groove (601).

3. The elevator car door opening and closing locking device according to claim 1, characterized in that: the seat plate (501) is in threaded connection with the lifting support (401), the upper end of the guide plate (502) inclines towards one end far away from the inserting block (503), and the first roller (504) and the inserting groove (601) are correspondingly arranged.

4. The elevator car door opening and closing locking device according to claim 1, characterized in that: the positioning block (6) is in threaded connection with the door panel (2); the plurality of second rollers (602) are distributed on the positioning block (6) in a linear array, and the second rollers (602) are arranged corresponding to the guide plate (502).