CN215248910U

CN215248910U - An elevator buffer device

Info

Publication number: CN215248910U
Application number: CN202121503333.8U
Authority: CN
Inventors: 李森
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-12-21
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses an elevator buffer device, which comprises the bottom of an elevator shaft, a buffer plate is arranged in the bottom of the elevator shaft, a fixed column is arranged at the bottom of the bottom of the elevator shaft, the bottom of the buffer plate is provided with a buffer column, and the buffer column and the fixed column are connected with each other. A spring A is sleeved on the outer side, the spring is arranged between the bottom of the elevator shaft and the buffer plate, the end of the buffer column is provided with a limit plate, and the limit plate is slidably arranged in the fixed column, and a spring B is arranged in the fixed column, and the spring B It is arranged at the bottom of the limit plate, and the outer side of the limit plate is provided with a sealing gasket, which is closely attached to the inner wall of the fixed column, and a ventilation hole is arranged on one side of the bottom of the fixed column. The buffer column cooperates with the fixed column to buffer the buffer plate for the first time, and then the limit plate is attached to the inner wall of the fixed column through the sealing gasket for friction buffering. The vent holes are exhausted, creating an air pressure cushion.

Description

Elevator buffer device

Technical Field

The utility model relates to an elevator buffering technical field especially relates to an elevator buffer.

Background

Along with the construction of high building mansion, in order to guarantee that people normally go on a journey in high building mansion, consequently need construct the elevator, but current elevator is in daily operation, can break down in inevitable, if the elevator is only unsettled in the elevator shaft, casualties can not appear, if the elevator condition that falls in the high altitude appears, lead to casualties easily, consequently for the security that improves the elevator, need be to elevartor shaft bottom installation buffer, come to carry out certain buffering to the elevator that falls, improve the security of elevator.

The existing elevator buffer device mostly adopts a single buffer device, the buffer effect of the elevator buffer device is poor, and when the elevator falls to the bottom end of an elevator shaft, the elevator can deviate from the buffer device to a certain extent, the buffer device can not vertically buffer and absorb shock to the elevator, the buffer effect of the buffer device is poor, and due to the fact that the buffer device is impacted and buffered, the elevator car is unstable at the bottom end of the elevator shaft, the car can swing in a skew mode, personnel inside the elevator car are easily injured, and therefore the elevator buffer device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an elevator buffer device.

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

an elevator buffer device comprises an elevator shaft bottom, a buffer plate is arranged in the elevator shaft bottom, the buffer plate is in a cross shape, the buffer plate is connected with the bottom of the elevator shaft through a buffer device A, the side wall of the buffer plate is connected with the side wall of the bottom of the elevator shaft through a buffer device B, the buffer device A comprises a fixed column, the bottom of the elevator shaft is provided with a fixed column, the bottom of the buffer plate is provided with a buffer column, and the outside of the buffer column and the fixed column is sleeved with a spring A which is arranged between the bottom of the elevator shaft and the buffer plate, the end part of the buffer column is provided with a limit plate, the limiting disc is arranged in the fixing column in a sliding manner, a spring B is arranged in the fixing column and is arranged at the bottom of the limiting disc, a sealing pad is sleeved on the outer side of the limiting disc, and the sealing gasket is tightly attached to the inner wall of the fixing column, and one side of the bottom of the fixing column is provided with an air vent.

Preferably, the buffer device B comprises a limiting slide block, the limiting slide block is arranged on each of four sides of the buffer plate, a limiting slide groove matched with the limiting slide block is arranged on the inner side of the bottom of the elevator shaft, a limiting column is arranged in the limiting slide groove, springs C are arranged on two sides of the limiting slide block, and the springs C are sleeved on two sides of the limiting column.

Preferably, the outer side of the limiting sliding block is tightly attached to the limiting sliding groove, and the outer side of the limiting column is tightly attached to the limiting sliding block.

Preferably, the four sides of the buffer plate are provided with limit blocks, the limit blocks are arranged in a trapezoidal shape, and the inclined edges of the limit blocks are arranged inwards.

Preferably, rubber pads are arranged on four sides of the buffer plate, and the rubber pads are tightly attached to the side wall of the bottom of the elevator shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. after the elevator touches the buffer board, in the buffer post shrink gets into the fixed column, thereby make buffer board extrusion spring A shrink, the spacing dish of buffer toe portion then can extrude spring B shrink, thereby cushion the elevator for the first time, then the sealing pad of rethread, make spacing dish carry out interference fit with the inner wall of fixed column, the buffering of rubbing, spacing dish is when pushing down simultaneously, gas in the fixed column can not discharge from the air vent fast, thereby form the atmospheric pressure buffering, two spring C of rethread, make spacing slider drive buffer board cushion from top to bottom in spacing post, thereby can carry out the shock attenuation once more to the elevator on the buffer board, through such multiple buffering mode, can effectually cushion the elevator, guarantee personnel's safety in the elevator.

2. At the in-process that the elevator descends, through the slope limit of stopper, can lead the elevator, can also carry on spacingly to four sides of elevator through the stopper, guarantee that the elevator is in the middle part of buffer board, through such setting, can carry on spacingly to the elevator, guarantee that buffer board and elevator cushion perpendicularly, buffering effect is better.

Drawings

Fig. 1 is a schematic structural view of an elevator buffer device provided by the present invention;

FIG. 2 is a schematic structural view of the buffer column and the fixing column of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a schematic structural view of the buffer plate of the present invention.

In the figure: the elevator shaft comprises an elevator shaft bottom 1, a buffer plate 2, a buffer device A3, a fixed column 31, a buffer column 32, a spring A33, a limiting disc 34, a spring B35, a sealing gasket 36, a vent hole 37, a buffer device B4, a limiting slide block 41, a limiting column 42, a spring C43, an elevator 5, a rubber pad 6 and a limiting block 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an elevator buffer device comprises an elevator shaft bottom 1, an elevator 5 is movably arranged in the elevator shaft bottom 1, a buffer plate 2 is arranged in the elevator shaft bottom 1, the buffer plate 2 is cross-shaped, the buffer plate 2 is connected with the elevator shaft bottom 1 through a buffer device A3, the side wall of the buffer plate 2 is connected with the side wall of the elevator shaft bottom 1 through a buffer device B4, the buffer device A3 comprises a fixed column 31, a fixed column 31 is arranged at the bottom of the elevator shaft bottom 1, a buffer column 32 is arranged at the bottom of the buffer plate 2, a spring a33 is sleeved outside the buffer column 32 and the fixed column 31, the spring a33 is arranged between the elevator shaft bottom 1 and the buffer plate 2, a limit disc 34 is arranged at the end of the buffer column 32, the limit disc 34 is slidably arranged in the fixed column 31, a spring B35 is arranged in the fixed column 31, a spring B35 is arranged at the bottom of the limit disc 34, a sealing gasket 36 is sleeved outside the limit disc 34, the sealing gasket 36 is tightly attached to the inner wall of the fixed column 31, the vent hole 37 is formed in one side of the bottom of the fixed column 31, when the elevator drops, the elevator 5 firstly touches the buffer plate 2, the buffer column 32 is contracted to enter the fixed column 31, the buffer plate 2 is made to extrude a spring A33 to contract, the limiting disc 34 at the end part of the buffer column 32 can extrude a spring B35 to contract, the elevator 5 is buffered for the first time, then the limiting disc 34 is in interference fit with the inner wall of the fixed column 31 through the sealing gasket 36 to perform friction buffering, meanwhile, when the limiting disc 34 is pressed downwards, gas in the fixed column 31 cannot be rapidly discharged from the vent hole 37, so that air pressure buffering is formed, and the arrangement of the buffer device B4 is matched, so that the elevator 5 can be effectively buffered;

the buffer device B4 comprises a limiting slide block 41, the limiting slide blocks 41 are arranged on four sides of the buffer plate 2, a limiting slide groove matched with the limiting slide block 41 is arranged on the inner side of the bottom 1 of the elevator shaft, a limiting column 42 is arranged in the limiting slide groove, springs C43 are arranged on two sides of each limiting slide block 41, the springs C43 are sleeved on two sides of each limiting column 42, the buffer plate 2 can be positioned by the arrangement that the limiting slide blocks 41 are matched with the limiting columns 42, the buffer plate 2 is guaranteed to move up and down in the bottom 1 of the elevator shaft, and the elevator 5 on the buffer plate 2 can be damped again through the two springs C43;

the outer side of the limiting sliding block 41 is tightly attached to the limiting sliding groove, and the outer side of the limiting column 42 is tightly attached to the limiting sliding block 41, so that the friction force between the limiting sliding block 41 and the limiting column 42 and between the limiting sliding groove and the limiting sliding block can be increased, and the buffering effect is better;

the limiting blocks 7 are arranged on four sides of the buffer plate 2, the limiting blocks 7 are arranged in a trapezoid shape, the inclined edges of the limiting blocks 7 are arranged inwards, the elevator 5 can be guided through the inclined edges of the limiting blocks 7 in the descending process of the elevator 5, the elevator 5 is ensured to be positioned in the middle of the buffer plate 2, and buffering is facilitated;

four sides of buffer board 2 all are equipped with rubber pad 6, and rubber pad 6 closely laminates with the lateral wall of elevartor shaft bottom 1, can increase buffer board 2 and elevartor shaft bottom 1's frictional force through rubber pad 6, improves buffering effect.

The working principle of the utility model is that when the elevator falls, in the descending process of the elevator 5, the elevator 5 can be guided by the inclined edge of the limit block 7 to ensure that the elevator 5 is positioned in the middle of the buffer board 2, then the elevator 5 touches the buffer board 2 to ensure that the buffer column 32 contracts into the fixed column 31, thereby ensuring that the buffer board 2 extrudes the spring A33 to contract, the limit disc 34 at the end part of the buffer column 32 can extrude the spring B35 to contract, thereby carrying out primary buffering on the elevator 5, then the limit disc 34 is in interference fit with the inner wall of the fixed column 31 through the sealing pad 36 to carry out friction buffering, meanwhile, when the limit disc 34 is pressed downwards, the gas in the fixed column 31 can not be rapidly discharged from the vent hole 37, thereby forming air pressure buffering, and the fixed column 31 and the buffer column 32 can limit the left and right positions of the buffer board 2, and then the limit column 42 is matched through the limit slider 41, can carry out spacing once more to the position about buffer board 2, guarantee that buffer board 2 reciprocates in elevartor shaft bottom 1, two springs C43 of rethread for spacing slider 41 drives buffer board 2 and cushions from top to bottom in spacing post 42, thereby can carry out the shock attenuation once more to elevator 5 on buffer board 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An elevator buffer device comprises an elevator shaft bottom (1), and is characterized in that a buffer plate (2) is arranged in the elevator shaft bottom (1), the buffer plate (2) is cross-shaped, the buffer plate (2) is connected with the elevator shaft bottom (1) through a buffer device A (3), the side wall of the buffer plate (2) is connected with the side wall of the elevator shaft bottom (1) through a buffer device B (4), the buffer device A (3) comprises a fixed column (31), the bottom of the elevator shaft bottom (1) is provided with the fixed column (31), the bottom of the buffer plate (2) is provided with a buffer column (32), the buffer column (32) and the fixed column (31) are sleeved with a spring A (33), the spring A (33) is arranged between the elevator shaft bottom (1) and the buffer plate (2), the end part of the buffer column (32) is provided with a limit disc (34), and spacing dish (34) slide to set up in fixed column (31), be equipped with spring B (35) in fixed column (31), and spring B (35) set up in the bottom of spacing dish (34), the outside cover of spacing dish (34) is equipped with sealed pad (36), and sealed pad (36) closely laminates with the inner wall of fixed column (31), bottom one side of fixed column (31) is equipped with air vent (37).

2. The elevator buffer device according to claim 1, wherein the buffer device B (4) comprises a limit slider (41), the limit slider (41) is disposed on each of four sides of the buffer plate (2), a limit sliding groove matched with the limit slider (41) is disposed on the inner side of the elevator shaft bottom (1), a limit column (42) is disposed in the limit sliding groove, a spring C (43) is disposed on each of two sides of the limit slider (41), and the spring C (43) is sleeved on each of two sides of the limit column (42).

3. An elevator buffer as defined in claim 2, characterized in that the outer side of the position-limiting slide block (41) is in close contact with the position-limiting slide groove, and the outer side of the position-limiting column (42) is in close contact with the position-limiting slide block (41).

4. An elevator buffer device according to any one of claims 1-3, characterized in that the four sides of the buffer plate (2) are provided with limit blocks (7), the limit blocks (7) are trapezoidal, and the inclined sides of the limit blocks (7) are inward arranged.

5. An elevator buffer as defined in any one of claims 1-3, characterized in that the four sides of the buffer plate (2) are provided with rubber pads (6), and the rubber pads (6) are in close contact with the side walls of the elevator shaft bottom (1).