CN217024909U - Safety anti-collision device for elevator - Google Patents

Abstract

The utility model discloses a safety anti-collision device for an elevator, which comprises an elevator shaft, wherein a transverse plate is arranged in the elevator shaft, a buffer mechanism is arranged in the elevator shaft, the buffer mechanism comprises a sliding groove, two sliding blocks are connected in the sliding groove in a sliding manner, a vertical plate is fixedly connected to the lower side wall of the transverse plate, a fixing rod penetrates through the side wall of the vertical plate, two rotating plates are rotatably connected to the side wall of the fixing rod, and the lower side walls of the two rotating plates are respectively and rotatably connected with the upper side walls of the two sliding blocks. The elevator descending device can reduce the downward moving trend of the transverse plate in the vertical direction, avoid the over-high descending speed of the elevator, prevent the downward movement of the transverse plate in the horizontal direction, further ensure the safety of the elevator and elevator passengers and enable the elevator to descend smoothly.

Description

Safety anti-collision device for elevator

Technical Field

The utility model relates to the technical field of elevator safety, in particular to a safety anti-collision device for an elevator.

Background

The society of China is rapidly developed, the urbanization level is improved, the number of elevators is more and more, the elevators are popularized to the life and work of people, and box elevators are usually used in buildings in residential areas.

When the elevator moves downwards, the elevator can be greatly rocked when suddenly stopping because of the overhigh descending speed, the falling into the shaft can be caused seriously, the falling personnel in the elevator can be seriously injured after falling into the shaft due to the arrangement of the buffer device in the existing elevator shaft, and a safety anti-collision device for the elevator needs to be designed in order to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a safety anti-collision device for an elevator.

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

the utility model provides a safe buffer stop for elevator, includes the elevartor shaft, be equipped with the diaphragm in the elevartor shaft, be equipped with buffer gear in the elevartor shaft, buffer gear includes the spout, sliding connection has two sliders in the spout, lateral wall fixedly connected with riser under the diaphragm, the riser lateral wall runs through and is equipped with the dead lever, the dead lever lateral wall rotates and is connected with two commentaries on classics boards, two change board downside lateral wall and rotate with the lateral wall on two sliders respectively and be connected.

Preferably, the inner wall of the elevator shaft is provided with two grooves, the inner walls of the two grooves are fixedly connected with two telescopic rods, and the telescopic ends of the two telescopic rods positioned at the same side are fixedly connected with a movable plate together.

Preferably, the two side walls of the moving plate are respectively and elastically connected with the inner walls of the two grooves through two springs, and the four springs are respectively sleeved on the side walls of the four telescopic rods.

Preferably, the inner wall of the sliding groove is fixedly connected with a limiting rod, and the limiting rod penetrates through the side walls of the two sliding blocks.

Preferably, the two sliding blocks and the opposite side walls of the sliding groove are respectively elastically connected with a pressure spring, and the two pressure springs are sleeved on the side walls of the limiting rods.

Preferably, two first magnets are fixedly connected to the lower side wall of the transverse plate, and two second magnets are embedded in the elevator shaft side wall.

The utility model has the following beneficial effects:

1. in the elevator, the transverse plate moves downwards, the two sliding blocks are far away, the moving distance of the sliding blocks moving towards two sides is reduced through the elasticity of the pressure spring, and the trend that the transverse plate moves downwards in the vertical direction can be reduced by matching with the mutual repulsion of the first magnet and the second magnet, so that the elevator is prevented from falling too fast;

2. according to the elevator, the transverse plate moves downwards to extrude the moving plate to move towards the corresponding groove, but after the moving plate is pushed by the spring, the moving trend of the moving plate is reduced, the transverse plate stops moving downwards due to the blocking of the moving inclined plane, the transverse plate can be prevented from moving downwards in the horizontal direction, the safety of an elevator and elevator passengers is further ensured, and the elevator descends smoothly.

Drawings

Fig. 1 is a schematic structural view of a safety collision prevention device for an elevator according to the present invention;

fig. 2 is a sectional view taken along a-a of a safety bump preventing device for an elevator according to the present invention;

fig. 3 is an enlarged view of a safety collision prevention device for an elevator according to the present invention at a position B.

In the figure: 1 elevartor shaft, 2 diaphragm, 3 recesses, 4 movable plates, 5 telescopic links, 6 risers, 7 dead levers, 8 commentaries on classics boards, 9 spouts, 10 gag lever posts, 11 sliders, 12 first magnet, 13 second magnet.

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.

Referring to fig. 1-3, a safe buffer stop for elevator, including elevartor shaft 1, be equipped with diaphragm 2 in the elevartor shaft 1, diaphragm 2 and the contact of 1 inner wall of elevartor shaft, diaphragm 2 lower side wall fixedly connected with two first magnet 12, 1 lateral wall of elevartor shaft inlays and is equipped with two second magnet 13, two first magnet 12 are located directly over two second magnet 13 respectively, just to the first magnet 12 and the second magnet 13 of setting each other for homopolar, 1 inner wall of elevartor shaft is equipped with two recesses 3, two equal fixedly connected with telescopic links 5 of 3 inner walls of two recesses, the common fixedly connected with movable plate 4 of telescopic end of two telescopic links 5 that are located the homonymy, the relative lateral wall of two movable plates 4 all is equipped with the inclined plane to 1 middle part of elevartor shaft, two movable plate 4 lateral walls all through two springs respectively with two recess 3 inner wall elastic connection, four springs cup joint respectively at four telescopic link 5 lateral walls.

Be equipped with buffer gear in the elevartor shaft 1, buffer gear includes spout 9, spout 9 sets up bottom in elevartor shaft 1, sliding connection has two sliders 11 in spout 9, 9 inner wall fixedly connected with gag lever post 10 of spout, gag lever post 10 runs through two slider 11 lateral walls, stability when guaranteeing that two sliders 11 slide, two sliders 11 have the pressure spring with the relative lateral wall difference elastic connection of spout 9, two pressure springs all cup joint at gag lever post 10 lateral walls, lateral wall fixedly connected with riser 6 under 2, 6 lateral walls of riser run through and are equipped with dead lever 7, 7 lateral walls of dead lever rotate and are connected with two commentaries on classics board 8, two commentaries on classics board 8 are located the both sides of riser 6, 8 lateral walls under two commentaries on classics board rotate respectively with two sliders 11 lateral walls and are connected.

The utility model can be illustrated by the following operating modes: when the elevator descends, the transverse plate 2 is pushed to move downwards, so that the vertical plate 6 is driven to move downwards, the fixing rod 7 is driven to move downwards, so that the two rotating plates 8 drive the two sliding blocks 11 to be away from each other, the sliding blocks 11 extrude the compression spring, the moving distance of the sliding blocks 11 can be reduced, thereby reducing the descending distance of the transverse plate 2, at the same time, the transverse plate 2 presses the moving plate 4 along the inclined surface of the moving plate 4, the moving plate 4 moves towards the center of the elevator shaft 1 under the elastic force of the spring, and the transverse plate 2 also drives the first magnet 12 to move downwards when descending, because first magnet 12 and second magnet 13 are homopolar each other, diaphragm 2 in-process that moves down still can receive the repulsion, further reduces diaphragm 2's descending trend, can prevent that the elevator from descending too fast, avoids elevator and 1 interior bottom to bump, has guaranteed the elevator and has taken advantage of terraced personnel's safety.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any equivalent replacement or change according to the technical solution of the present invention and the inventive concept thereof should be covered within the scope of the present invention.

Claims (6)

1. A safety buffer for elevators, comprising an elevator shaft (1), characterized in that: be equipped with diaphragm (2) in elevartor shaft (1), be equipped with buffer gear in elevartor shaft (1), buffer gear includes spout (9), sliding connection has two sliders (11) in spout (9), lateral wall fixedly connected with riser (6) under diaphragm (2), riser (6) lateral wall runs through and is equipped with dead lever (7), dead lever (7) lateral wall rotates and is connected with two commentaries on classics board (8), two commentaries on classics board (8) downside wall rotates with two sliders (11) respectively and is connected.

2. A safety bump guard for elevators according to claim 1, characterized in that: the elevator shaft is characterized in that two grooves (3) are formed in the inner wall of the elevator shaft (1), two telescopic rods (5) are fixedly connected to the inner walls of the grooves (3), and two telescopic ends of the telescopic rods (5) located on the same side are fixedly connected with a movable plate (4) together.

3. A safety bump guard for elevators according to claim 2, characterized in that: the side walls of the two moving plates (4) are respectively and elastically connected with the inner walls of the two grooves (3) through two springs, and the four springs are respectively sleeved on the side walls of the four telescopic rods (5).

4. A safety collision preventing device for an elevator according to claim 1, characterized in that: the inner wall of the sliding groove (9) is fixedly connected with a limiting rod (10), and the limiting rod (10) penetrates through the side walls of the two sliding blocks (11).

5. A safety collision prevention device for an elevator according to claim 4, characterized in that: the two sliding blocks (11) and the opposite side walls of the sliding groove (9) are respectively and elastically connected with a pressure spring, and the two pressure springs are sleeved on the side walls of the limiting rods (10).

6. A safety collision preventing device for an elevator according to claim 1, characterized in that: two first magnets (12) are fixedly connected to the lower side wall of the transverse plate (2), and two second magnets (13) are embedded in the side wall of the elevator shaft (1).

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