CN215797784U

CN215797784U - Elevator multistage buffer that falls

Info

Publication number: CN215797784U
Application number: CN202122168386.5U
Authority: CN
Inventors: 王晓红; 胡结明
Original assignee: Shenzhen Ekcne Elevator Co ltd
Current assignee: Shenzhen Ekcne Elevator Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-11
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses an elevator falling multistage buffering device, which comprises an elevator shaft and an elevator body, wherein a protective frame is arranged in the elevator shaft, the elevator body is arranged in the protective frame, a plurality of damping mechanisms are fixedly connected between the elevator body and the inner side wall of the protective frame, a plurality of buffering mechanisms are arranged between a buffering plate and the inner bottom end of the elevator shaft, the device can eliminate or weaken the vibration of the elevator body in the ascending and descending processes through a plurality of first springs, so that the comfort level of people in riding can be improved, meanwhile, the elevator body can be buffered at one stage through the plurality of first springs, when the elevator body falls, a second spring is stretched, so that the elevator body is buffered at the second stage, the buffering plate continues to move downwards, a telescopic rod is compressed, and the repulsive force generated by the mutual approach of the first magnet plate and the second magnet plate can partially buffer the falling force, thereby playing the role of three-level buffering.

Description

Elevator multistage buffer that falls

Technical Field

The utility model relates to the technical field of elevator buffering, in particular to an elevator falling multistage buffering device.

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. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as an escalator. A fixed elevator apparatus serving a predetermined floor. It has a cage which runs between at least two rows of vertical or inclined rigid guide rails with an angle of inclination of less than 15 deg.. The size and the structural form of the car are convenient for passengers to access or load and unload goods.

However, in the prior art, when the elevator falls, the conventional buffer device cannot buffer the car well, so that the injury to human bodies and the damage to articles are caused, the service life of the car is short, and the applicability of the device is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an elevator falling multistage buffering device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a multi-stage buffer device for falling of an elevator comprises an elevator shaft and an elevator body, wherein a protective frame is arranged in the elevator shaft, the elevator body is arranged in the protective frame, a plurality of damping mechanisms are fixedly connected between the elevator body and the inner side wall of the protective frame, each damping mechanism comprises a sleeve, a supporting rod penetrates through one end of each sleeve in a sliding mode, a moving block is connected in the sleeve in a sliding mode, one end of each supporting rod is fixedly connected with the corresponding moving block, the other end of each supporting rod is fixedly connected with the elevator body, a first spring is fixedly connected between each moving block and the inner bottom end side wall of each sleeve, each sleeve is fixedly connected to the inner wall of the corresponding protective frame, first sliding grooves are formed in the front and rear side walls of the inner left side and the front and rear side walls of the inner right side of the elevator shaft, first sliding blocks are connected to the first sliding grooves in a sliding mode, and buffer plates are fixedly connected between the four groups of first sliding blocks, be provided with a plurality of buffer gear between the interior bottom of buffer board and sky terraced well, buffer gear includes the second spout of upper and lower side, and the bottom face at the buffer board is seted up to the second spout of top, and the interior bottom at the sky terraced well is seted up to the second spout of below, the equal sliding connection in the inside left and right sides of second spout has the second slider, it has the connecting rod to articulate on the second slider, and the connecting rod on the left and right sides of top all articulates there is first magnet board, and the connecting rod on the left and right sides of below all articulates there is the second magnet board, corresponds to be connected with the second spring between the connecting rod on left and right sides, fixedly connected with telescopic link between first magnet board and the second magnet board.

Preferably, the outer surface of the sleeve is sleeved with a third spring, one end of the third spring is fixedly connected with the outer surface of the elevator body, and the other end of the third spring is fixedly connected with the inner wall of the protection frame.

Preferably, the middle part of the upper end surface of the buffer plate is fixedly connected with a buffer air bag.

Preferably, the bottom end face of the protective frame is fixedly connected with a third magnet plate, four groups of corners on the upper end face of the buffer plate are fixedly connected with buffer rubber pads, and the upper end face of each buffer rubber pad is fixedly connected with a fourth magnet plate.

Preferably, the first magnet plate and the second magnet plate have the same polarity, and the third magnet plate and the fourth magnet plate have the same polarity.

Preferably, the outer surface of the telescopic rod is sleeved with a fourth spring, one end of the fourth spring is fixedly connected with the bottom end face of the first magnet plate, and the other end of the fourth spring is fixedly connected with the upper end face of the second magnet plate.

Compared with the prior art, the utility model has the beneficial effects that: the buffer device has strong buffer capacity, can eliminate or weaken the vibration of the elevator body in the ascending and descending processes through the plurality of first springs, thereby improving the comfort level of people when the elevator body is taken, can play a role of primary buffer for the elevator body through the plurality of first springs when the elevator body is in danger of falling, and can partially buffer the falling force through repulsive force generated by the first magnet plate and the second magnet plate when the elevator body falls to the bottom end of the elevator shaft, thereby playing a role of secondary buffer for the elevator body, and the buffer plates continuously move downwards; through the cooperation of third spring, fourth spring, buffering gasbag, third magnet board and fourth magnet board, can improve the buffer capacity of this device.

Drawings

FIG. 1 is a schematic front sectional view of a main body structure of a falling multistage buffering device of an elevator;

fig. 2 is an enlarged schematic view of a structure at a in fig. 1 of an elevator falling multi-stage buffering device;

fig. 3 is an enlarged schematic view of a sleeve structure of an elevator falling multi-stage buffering device.

In the figure: 1-elevator shaft, 2-elevator body, 3-protective frame, 4-third magnet plate, 5-fourth magnet plate, 6-buffer plate, 7-buffer mechanism, 8-first chute, 9-first slide block, 10-buffer rubber pad, 11-buffer air bag, 12-sleeve, 13-third spring, 14-connecting rod, 15-second chute, 16-second spring, 17-second slide block, 18-first magnet plate, 19-telescopic rod, 20-second magnet plate, 21-fourth spring, 22-supporting rod, 23-moving block and 24-first spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a multi-stage buffer device for falling of an elevator comprises an elevator shaft 1 and an elevator body 2, wherein a protective frame 3 is arranged inside the elevator shaft 1, the elevator body 2 is arranged inside the protective frame 3, a plurality of damping mechanisms are fixedly connected between the elevator body 2 and the inner side wall of the protective frame 3, each damping mechanism comprises a sleeve 12, a supporting rod 22 penetrates through one end of each sleeve 12 in a sliding mode, a moving block 23 is connected inside each sleeve 12 in a sliding mode, one end of each supporting rod 22 is fixedly connected with the corresponding moving block 23, the other end of each supporting rod 22 is fixedly connected with the elevator body 2, a first spring 24 is fixedly connected between each moving block 23 and the inner bottom end side wall of each sleeve 12, each sleeve 12 is fixedly connected to the inner wall of the protective frame 3, first sliding grooves 8 are formed in the front and rear side walls of the inner left side and the front and rear side walls of the inner right side of the elevator shaft 1, a first sliding block 9 is connected to the first sliding grooves 8 in a sliding mode, fixedly connected with buffer board 6 between four sets of first sliders 9, be provided with a plurality of buffer gear 7 between buffer board 6 and the interior bottom of skateboarding well 1, buffer gear 7 includes second spout 15 of upper and lower side, and the bottom face at buffer board 6 is seted up to the second spout 15 of top, and the interior bottom at skateboarding well 1 is seted up to the second spout 15 of below, the equal sliding connection in inside left and right sides of second spout 15 has second slider 17, it has connecting rod 14 to articulate on the second slider 17, and connecting rod 14 on the left and right sides of top all articulates there is first magnet board 18, and connecting rod 14 on the left and right sides of below all articulates there is second magnet board 20, corresponds to be connected with second spring 16 between the connecting rod 14 on left and right sides, fixedly connected with telescopic link 19 between first magnet board 18 and the second magnet board 20.

When the elevator is used, the vibration in the ascending and descending processes of the elevator body 2 can be eliminated or weakened through the plurality of first springs 24, so that the comfort level of people when people take the elevator can be improved, meanwhile, when the elevator body 2 is in danger of falling, the elevator body 2 can be buffered at one level through the plurality of first springs 24, meanwhile, when the elevator body 2 falls to the bottom end of the elevator shaft 1, the bottom end of the protective frame 3 and the extrusion buffer plate 6 move downwards, the buffer plate 6 drives the second sliders 17 on the left side and the right side to move away from each other when moving downwards, at the moment, the second spring 16 is stretched, so that the elevator body 2 has a secondary buffering effect, the buffer plate 6 continues to move downwards, the telescopic rod 19 is compressed, the first magnet plate 18 and the second magnet plate 20 are close to each other, the repulsive force generated by the first magnet plate 18 and the second magnet plate 20 can partially buffer the falling force, so that a tertiary buffering effect is achieved, the safety of this elevator body 2 when using can be increased through multistage buffering.

The outer surface cover of sleeve 12 is equipped with third spring 13, the one end of third spring 13 and the outer fixed surface of elevator body 2 are connected, the other end of third spring 13 and the inner wall fixed connection of protective frame 3.

The damping capacity of the damping mechanism can be increased through the third spring 13, and the damping effect of the elevator body 2 in ascending and descending can be further improved.

The buffer airbag 11 is fixedly connected to the middle of the upper end face of the buffer plate 6, and the buffer effect of the device can be improved through the buffer airbag 11.

The bottom end face of the protective frame 3 is fixedly connected with a third magnet plate 4, four groups of corners on the upper end face of the buffer plate 6 are fixedly connected with buffer rubber pads 10, and the upper end face of each buffer rubber pad 10 is fixedly connected with a fourth magnet plate 5.

When the elevator body 2 falls, the third magnet plate 4 and the fourth magnet plate 5 are close to each other, and the repulsive force generated by the third magnet plate and the fourth magnet plate can buffer a part of falling force, so that the buffer capacity of the device is improved.

The first magnet plate 18 and the second magnet plate 20 have the same polarity, and the third magnet plate 4 and the fourth magnet plate 5 have the same polarity.

The outer surface of the telescopic rod 19 is sleeved with a fourth spring 21, one end of the fourth spring 21 is fixedly connected with the bottom end face of the first magnet plate 18, and the other end of the fourth spring 21 is fixedly connected with the upper end face of the second magnet plate 20.

The damping effect of the device can be improved again by the fourth spring 21.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an elevator multistage buffer that falls, includes sky elevator shaft (1) and elevator body (2), its characterized in that: a protective frame (3) is arranged in the overhead ladder well (1), the elevator body (2) is arranged in the protective frame (3), a plurality of damping mechanisms are fixedly connected between the elevator body (2) and the inner side wall of the protective frame (3), each damping mechanism comprises a sleeve (12), a supporting rod (22) is slidably arranged at one end of each sleeve (12), a moving block (23) is slidably connected inside each sleeve (12), one end of each supporting rod (22) is fixedly connected with each moving block (23), the other end of each supporting rod (22) is fixedly connected with the elevator body (2), a first spring (24) is fixedly connected between each moving block (23) and the side wall of the inner bottom end of each sleeve (12), each sleeve (12) is fixedly connected to the inner wall of the protective frame (3), and first sliding grooves (8) are formed in the front and rear side walls of the right left inner side and the front and rear side walls of the right left inner side of the overhead ladder well (1), the buffer structure is characterized in that a first sliding block (9) is connected to the first sliding chute (8) in a sliding manner, a buffer plate (6) is fixedly connected between the four groups of first sliding blocks (9), a plurality of buffer mechanisms (7) are arranged between the buffer plate (6) and the inner bottom end of the overhead ladder well (1), each buffer mechanism (7) comprises an upper second sliding chute (15) and a lower second sliding chute (15), the upper second sliding chute (15) is arranged on the bottom end face of the buffer plate (6), the lower second sliding chute (15) is arranged on the inner bottom end of the overhead ladder well (1), the left side and the right side in the inner part of each second sliding chute (15) are respectively connected with a second sliding block (17) in a sliding manner, a connecting rod (14) is hinged to the second sliding block (17), the connecting rods (14) on the left side and the right side of the upper part are respectively hinged with a first magnet plate (18), the connecting rods (14) on the left side and the right side of the lower part are respectively hinged with a second magnet plate (20), and a second spring (16) are connected between the connecting rods (14) on the left side and the corresponding side, a telescopic rod (19) is fixedly connected between the first magnet plate (18) and the second magnet plate (20).

2. The elevator falling multistage buffering device of claim 1, wherein: the outer surface cover of sleeve (12) is equipped with third spring (13), the one end of third spring (13) and the outer fixed surface of elevator body (2) are connected, the other end of third spring (13) and the inner wall fixed connection of protective frame (3).

3. The elevator falling multistage buffering device according to claim 2, characterized in that: the middle part of the upper end surface of the buffer plate (6) is fixedly connected with a buffer air bag (11).

4. The elevator falling multistage buffering device according to claim 3, characterized in that: the bottom end face fixedly connected with third magnet board (4) of protective frame (3), the equal fixedly connected with cushion rubber pad (10) in the upper end face four groups of turning of cushion pad (6), the up end fixedly connected with fourth magnet board (5) of cushion rubber pad (10).

5. The elevator falling multistage buffering device of claim 4, wherein: the first magnet plate (18) and the second magnet plate (20) have the same polarity, and the third magnet plate (4) and the fourth magnet plate (5) have the same polarity.

6. The elevator falling multistage buffering device according to claim 5, characterized in that: the outer surface cover of telescopic link (19) is equipped with fourth spring (21), the one end of fourth spring (21) and the bottom end face fixed connection of first magnet board (18), the other end of fourth spring (21) and the up end fixed connection of second magnet board (20).