CN218754379U - No pit elevator car - Google Patents

Abstract

The application discloses no pit elevator car belongs to no pit elevator technical field. Mainly include the well and locate the elevator car in the well, elevator car can reciprocate in the well, the lower extreme fixed mounting of well has the buffering frame, elevator car's the protruding buffering roof that is formed with in upper end both sides, the buffering roof is located the top of buffering frame, be provided with the elastic component between buffering frame and the buffering roof, the both ends fixed mounting of elastic component has the fixed plate, there is the dead lever difference swing joint between fixed plate and buffering roof and the buffering frame, when elevator car descends to the bottom of well, the buffering roof can extrude downwards this moment, and promote the dead lever downwards and make its inward movement, extrude the elastic component, thereby play the cushioning effect to elevator car, stability when improving elevator car and stopping.

Description

No pit elevator car

Technical Field

The application relates to the technical field of elevator without a pit, in particular to an elevator car without a pit.

Background

The elevator without the pit is characterized in that the elevation of the bottom of the elevator shaft is-400 mm or slightly higher than the elevation of the ground outside the elevator shaft with +400mm, the elevator ground is not provided with the pit, the elevators are installed in more and more villas along with the development of the elevator technology, and the elevator without the pit is generally installed in the villa due to the limitation of installation space.

Through the search, for example, publication No. CN211419258U discloses a chinese patent of a bottomless pit villa elevator technology, which can directly buffer the car by pressing a lower compression spring through a lifting shaft, but is used for a long time, and the compression spring is easily deformed by direct stress of the compression spring, so that the elevator car greatly shakes when falling to the ground, and the buffering effect is affected, and the replacement of the compression spring in the patent is also troublesome, so it is necessary to provide a bottomless pit elevator car to solve the above problems.

It should be noted that the above information disclosed in this background section is only for background understanding of the inventive concept and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above problems in the prior art, the embodiments of the present application are directed to: the elevator car without the pit achieves the effect of improving the stability of the elevator car when the elevator car falls to the ground.

The technical scheme adopted by the application for solving the technical problem is as follows: a bottomless pit elevator car comprises a well and an elevator car arranged in the well, wherein the elevator car can move up and down in the well, a buffer frame is fixedly arranged at the lower end of the well, buffer top plates are formed on two sides of the upper end of the elevator car in a protruding mode, and the buffer top plates are located above the buffer frame;

the buffer device is characterized in that an elastic piece is arranged between the buffer frame and the buffer top plate, fixed plates are fixedly mounted at two end parts of the elastic piece, and fixed rods are movably connected between the fixed plates and the buffer top plate as well as between the fixed plates and the buffer frame respectively.

When elevator car descends to the bottom of well, the buffering roof can extrude downwards this moment to promote the dead lever downwards and make its inward movement, extrude the elastic component, thereby play the cushioning effect to elevator car, stability when improving elevator car and stopping.

Furthermore, the upper end of the buffer frame is fixedly provided with at least two groups of movable cavities, at least two groups of movable cavities are connected with connecting columns in a sliding manner, and at least two groups of movable cavities and the connecting columns form a piston structure and are positioned on two sides of the elastic part.

Furthermore, the fixed rods are respectively and movably connected to the buffer top plate, the movable cavity and the connecting column.

Furthermore, the upper end of the connecting column is fixedly provided with a buffer plate.

Furthermore, the upper end of the buffer plate is provided with a rubber material.

Furthermore, the connecting column is provided with air holes.

The beneficial effect of this application is: the utility model provides a pair of no pit elevator car through being provided with dead lever and spring, in the time of elevator car descends, can extrude the spliced pole and push down to with the fixed plate to pushing extrusion spring, playing the cushioning effect to elevator car, carry out piston motion through spliced pole and activity chamber, when preventing that elevator car from stopping suddenly, inertial force is too big, thereby improves the stability when elevator car stops.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

fig. 1 is an overall schematic view of a bottomless elevator car of the present application;

FIG. 2 is an enlarged schematic view of the damping mechanism of FIG. 1;

FIG. 3 is a schematic view of the operation of the damping mechanism of FIG. 2;

wherein, in the figures, the respective reference numerals:

1. a hoistway; 2. an elevator car; 21. a buffer ceiling; 3. a buffer mechanism; 31. a movable cavity; 32. a fixing rod; 33. a spring; 34. connecting columns; 35. a buffer plate; 36. a fixing plate; 4. a buffer frame.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present application provides a bottomless pit elevator car, which includes a hoistway 1 and an elevator car 2 disposed in the hoistway 1, wherein the elevator car 2 moves up and down in the hoistway 1, two sets of buffer frames 4 are fixedly mounted at the lowermost end of the hoistway 1, and the buffer frames 4 are fixedly mounted on the hoistway 1, and when the elevator car 2 reaches the lowermost end of the hoistway 1, the buffer frames are located in the middle of the two sets of buffer frames 4 and are not in contact with each other.

The buffer mechanism 3 is fixedly installed at the upper end of the buffer frame 4, the buffer top plate 21 is fixedly installed at the upper end of the elevator car 2, two end parts of the buffer top plate 21 extend to the outer side of the elevator car 2 and are located above the buffer mechanism 3, and when the elevator car 2 moves to the lowest end of the hoistway 1, the buffer top plate 21 can downwards press the buffer mechanism 3 at the moment, so that the elevator car 2 is buffered.

Buffer gear 3 is including being fixed in the movable chamber 31 of 4 upper ends of buffer frame, as shown in fig. 2, movable chamber 31 is provided with two sets ofly, and be located the upper end both sides of buffer frame 4, sliding connection has spliced pole 34 in movable chamber 31, form piston structure through movable chamber 31 and spliced pole 34, and the gas port has been seted up on the movable chamber 31, can outwards discharge the extruded gas in the movable chamber 31 through the gas port, make movable chamber 31 and external gas flow, make things convenient for spliced pole 34 and movable chamber 31 to carry out the piston motion.

The upper end fixed mounting of spliced pole 34 has buffer board 35, increases the contact surface of spliced pole 34 and buffer roof 21 through buffer board 35, and the upper end of buffer board 35 is provided with the rubber pad, reduces the cushion effect of spliced pole 34 and buffer roof 21.

The lower end of the movable cavity 31 and the upper end of the connecting column 34 are both connected with fixing rods 32 in a bearing mode, the other ends of the two groups of fixing rods 32 are connected with fixing plates 36 in a bearing mode, the fixing plates 36 are arranged in two groups and are arranged oppositely, as shown in fig. 2, springs 33 are fixedly installed between the oppositely arranged fixing plates 36, and the springs 33 can be detached.

Example (b): when elevator car 2 descends to the bottom of well 1, buffer board 21 can contact buffer board 35 this moment, and extrude it downwards, buffer board 35 receives behind the extrusion can push down spliced pole 34, spliced pole 34 can push down the interior gas of activity chamber 31 slowly outwards when pushing down, drive the shrink of dead lever 32 relative activity simultaneously, and with fixed plate 36 to promoting, as shown in fig. 3, fixed plate 36 extrudees spring 33 this moment, play the cushioning effect to elevator car 2, carry out piston motion through spliced pole 34 and activity chamber 31, when preventing that elevator car 2 from stopping suddenly, inertial force is too big, thereby stability when improving elevator car 2 and stopping.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a no pit elevator car, includes well (1) and locates elevator car (2) in well (1), elevator car (2) can reciprocate in well (1), the lower extreme fixed mounting of well (1) has cushion frame (4), its characterized in that: buffer top plates (21) are formed on two sides of the upper end of the elevator car (2) in a protruding mode, and the buffer top plates (21) are located above the buffer frame (4);

be provided with the elastic component between buffer bracket (4) and buffer roof (21), the both ends fixed mounting of elastic component has fixed plate (36), swing joint has dead lever (32) respectively between fixed plate (36) and buffer roof (21) and buffer bracket (4).

2. A bottomless pit elevator car as claimed in claim 1, characterized in that: the upper end fixed mounting of buffer frame (4) has at least two sets of movable chamber (31), at least two sets of sliding connection has spliced pole (34) in movable chamber (31), at least two sets of movable chamber (31) and spliced pole (34) form the piston structure and are located the both sides of elastic component.

3. A bottomless pit elevator car as claimed in claim 2, characterized in that: the fixed rod (32) is movably connected to the buffer top plate (21), the movable cavity (31) and the connecting column (34) respectively.

4. A bottomless pit elevator car as claimed in claim 3, characterized in that: and the upper end part of the connecting column (34) is fixedly provided with a buffer plate (35).

5. A bottomless pit elevator car as claimed in claim 4, characterized in that: the upper end part of the buffer plate (35) is provided with rubber materials.

6. A bottomless pit elevator car as defined in claim 2, wherein: the connecting column (34) is provided with air holes.

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