Bottom structure of passenger elevator car

By setting up a buffer support frame and shock absorber at the bottom of the elevator car, the problem of lack of buffering in the bottom structure of the elevator car is solved, and a safer and more stable elevator operation is achieved.

CN223073711UActive Publication Date: 2025-07-08BUICK PERIEL ELEVATOR (YANGZHOU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421894047.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-07-08
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

The bottom structure of the elevator car in the prior art lacks a buffer structure, which leads to the movable plate and the inner top surface of the bottom box being easily impacted and damaged, and is unsafe and reliable in use.

Method used

The passenger elevator car pillar, buffer support frame and buffer seat are installed in the bottom structure of the passenger elevator car, and upper and lower shock absorber dampers and block structures are adopted to achieve buffer positioning and stability through the design of the clamp slot and the U-shaped slot, and the contact surface is buffered in combination with the rubber pad.

Benefits of technology

It improves the safety and durability of the bottom of the elevator car, reduces impact damage, enhances the stability and safety of the structure, and extends the service life.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223073711U_ABST
    Figure CN223073711U_ABST
Patent Text Reader

Abstract

The utility model provides a passenger elevator car bottom structure, relates to the car bottom technical field, including passenger elevator car cylinder, middle buffer support frame and lower buffer seat, the upper end of passenger elevator car cylinder is provided with top frame, and the lower end of passenger elevator car cylinder is provided with bottom box, the lower end face of bottom box is provided with a plurality of groups of upper shock absorption damper, and the upper shock absorption damper is provided with a plurality of groups of lower shock absorption damper. And multiple sets of lower damping dampers are installed between the lower portion of the middle buffering supporting frame and the upper end face of the lower buffering seat, embedded blocks are arranged on the left side and the right side of the upper end face of the lower buffering seat correspondingly, and clamping grooves are formed in the left side and the right side of the lower end face of the bottom box correspondingly. The shock-absorbing dampers are arranged among the box bottom, the base and the middle buffering support frame, the middle buffering support frame is firm in structure, the upper shock-absorbing damper and the lower shock-absorbing damper are safer and more stable in buffering, and meanwhile, the rubber cushion block arranged on the lower side face of the base is favorable for reducing impact abrasion, so that the shock-absorbing box is safer and more durable.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of the bottom of a car, and particularly relates to a bottom structure of a passenger elevator car. Background Art

[0002] An elevator refers to a permanent transportation device that serves several specific floors in a building, and its car moves on at least two rigid tracks perpendicular to the horizontal plane or with an inclination angle less than 15° to the plumb line. An elevator car is a box-shaped space for the elevator to carry and transport people and materials.

[0003] In the specification of a prior art (publication number CN216836690U) of a bottom structure of an elevator car, it is mentioned that "a bottom box is fixed at the bottom end of the elevator car main body, vertical bottom pipes are fixed on both sides of the bottom wall of the bottom box, the top ends of the bottom pipes extend into the interior of the bottom box, the bottom ends of the bottom pipes extend to the lower side of the bottom box, vertical movable columns are movably arranged in the inner circles of the bottom pipes, and the top ends of the two movable columns extend to the upper side of the bottom pipes and are fixed with a horizontal movable plate". However, there is a lack of a buffer structure between the upper end surface of the movable plate in the prior art and the inner top surface of the bottom box, which is prone to impact damage and is not safe and reliable to use. Content of the Utility Model

[0004] In order to overcome the defects existing in the prior art, a bottom structure of a passenger elevator car is provided to solve the problem that there is a lack of a buffer structure between the upper end surface of the movable plate in the prior art and the inner top surface of the bottom box, which is prone to impact damage and is not safe and reliable to use.

[0005] To achieve the above object, a bottom structure of a passenger elevator car is provided, including a passenger elevator car column body, a middle buffer support frame and a lower buffer seat. A top frame is arranged at the upper end of the passenger elevator car column body, and a bottom box is arranged at the lower end of the passenger elevator car column body. Multiple upper shock dampers are arranged on the lower end surface of the bottom box, and the upper shock dampers are sleeved inside the upper part of the middle buffer support frame. Multiple lower shock dampers are installed between the lower part of the middle buffer support frame and the upper end surface of the lower buffer seat, and embedding blocks are arranged on both the left and right sides of the upper end surface of the lower buffer seat.

[0006] Furthermore, clamping grooves are arranged on both the left and right sides of the lower end surface of the bottom box, and the upper part of each embedding block extends into the clamping groove on the same side.

[0007] Furthermore, two groups of first U-shaped grooves are arranged on the upper part of the middle buffer support frame. A middle connecting plate is connected between the two groups of first U-shaped grooves, and the other end of the middle connecting plate is fixed with an outer connecting plate. Fixing plates are arranged at the upper ends of the first U-shaped grooves, and multiple sleeve holes are formed in the fixing plates.

[0008] Further, two groups of second U-shaped grooves are provided at the lower part of the middle buffer support frame, and the first U-shaped groove and the second U-shaped groove are symmetrically arranged up and down with respect to the center line of the middle buffer support frame, and the second U-shaped groove has the same structural setting as the first U-shaped groove.

[0009] Further, one end of the upper shock absorber is sleeved in the sleeve hole, and one end of the lower shock absorber is sleeved in the sleeve hole of the fixing plate provided on the second U-shaped groove.

[0010] Further, multiple groups of support columns are fixed on both the left and right sides of the lower end surface of the lower buffer seat, and the lower part of the support column is sleeved in the rubber cushion block.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. The setting between the card slot and the upper shock absorber in the present utility model serves the purpose of straight positioning, enabling the upper part of the insert block to move up and down in the card slot when the shock-absorbing spring compresses and moves between the bottom box and the lower buffer seat, making it safer and more stable.

[0013] 2. Multiple groups of upper shock absorbers are installed between the first U-shaped groove at the upper part of the middle buffer support frame and the bottom box, and multiple groups of insert blocks are installed between the second U-shaped groove at the lower part of the middle buffer support frame and the lower buffer seat. First, the middle buffer support frame is structurally firm and reliable, serving as a buffer support for the upper and lower shock absorbers, making the buffering safer and more stable.

[0014] 3. The support columns and rubber cushion blocks provided on the lower end surface of the lower buffer seat in the present utility model facilitate buffering of the contact surface when descending to the bottom, reducing the impact wear of the bottom surface contact, and can better protect the bottom of the passenger elevator car, making it safer and more durable. Description of the Drawings

[0015] Figure 1 is the front view schematic diagram of the embodiment of the present utility model;

[0016] Figure 2 is the schematic diagram of the passenger elevator car column body of the embodiment of the present utility model;

[0017] Figure 3 is the schematic diagram of the middle buffer support frame of the embodiment of the present utility model;

[0018] Figure 4 is the schematic diagram of the lower buffer seat of the embodiment of the present utility model.

[0019] In the figure: 1. Column body of the passenger elevator car; 10. Top frame; 11. Bottom box; 12. Card slot; 13. Upper shock damping device; 2. Middle buffer support frame; 20. First U-shaped groove; 21. Second U-shaped groove; 22. Fixed plate; 23. Sleeve hole; 24. Middle connecting plate; 25. Outer connecting plate; 3. Lower buffer seat; 30. Lower shock damping device; 31. Insert block; 32. Support column; 33. Rubber cushion block. Detailed implementation manner

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model, and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present disclosure.

[0021] The following will describe the detailed implementation manner of the present utility model with reference to the accompanying drawings.

[0022] Figure 1 It is the front view schematic diagram of the embodiment of the present utility model, Figure 2 It is the schematic diagram of the column body of the passenger elevator car of the embodiment of the present utility model, Figure 3 It is the schematic diagram of the middle buffer support frame of the embodiment of the present utility model and Figure 4 It is the schematic diagram of the lower buffer seat of the embodiment of the present utility model.

[0023] Referring to Figures 1 to 4 As shown, the present utility model provides a bottom structure of a passenger elevator car, including a column body 1 of the passenger elevator car, a middle buffer support frame 2 and a lower buffer seat 3. A top frame 10 is provided at the upper end of the column body 1 of the passenger elevator car, and a bottom box 11 is provided at the lower end of the column body 1 of the passenger elevator car. A plurality of upper shock damping devices 13 are provided on the lower end surface of the bottom box 11, and the upper shock damping devices 13 are sleeved inside the upper part of the middle buffer support frame 2. A plurality of lower shock damping devices 30 are installed between the lower part of the middle buffer support frame 2 and the upper end surface of the lower buffer seat 3, and insert blocks 31 are provided on both the left and right sides of the upper end surface of the lower buffer seat 3.

[0024] In this embodiment, card slots 12 are provided on both the left and right sides of the lower end surface of the bottom box 11, and the upper parts of each group of insert blocks 31 extend into the card slots 12 on the same side.

[0025] As a preferred embodiment, the arrangement between the card slot 12 and the upper shock damper 13 in the present utility model serves the purpose of straight positioning, such that when the shock-absorbing spring compresses and moves, the upper part of the embedded block 31 can be driven to move up and down within the card slot 12 between the bottom box 11 and the lower buffer seat 3, making it safer and more stable.

[0026] In this embodiment, two groups of first U-shaped grooves 20 are provided at the upper part of the middle buffer support frame 2. A middle connecting plate 24 is connected between the two groups of first U-shaped grooves 20, and the other end of the middle connecting plate 24 is fixed with an outer connecting plate 25. Moreover, a fixing plate 22 is provided at the upper end of the first U-shaped groove 20, and multiple sets of sleeve holes 23 are provided on the fixing plate 22; two groups of second U-shaped grooves 21 are provided at the lower part of the middle buffer support frame 2, and the first U-shaped groove 20 and the second U-shaped groove 21 are symmetrically arranged up and down with respect to the center line of the middle buffer support frame 2, and the second U-shaped groove 21 has the same structural setting as the first U-shaped groove 20; one end of the upper shock damper 13 is sleeved within the sleeve hole 23, and one end of the lower shock damper 30 is sleeved within the sleeve hole of the fixing plate provided on the second U-shaped groove 21.

[0027] As a preferred embodiment, multiple upper shock dampers 13 are installed between the first U-shaped grooves 20 at the upper part of the middle buffer support frame 2 and the bottom box 11 in the present utility model, and multiple embedded blocks 31 are installed between the second U-shaped grooves 21 at the lower part of the middle buffer support frame 2 and the lower buffer seat 3. First of all, the middle buffer support frame 2 is structurally firm and reliable, and as a buffer support for the upper and lower shock absorbers, it is safer and more reliable, and the buffering is also safer and more stable.

[0028] In this embodiment, multiple support columns 32 are fixed on both the left and right sides of the lower end surface of the lower buffer seat 3, and the lower parts of the support columns 32 are sleeved within the rubber cushion blocks 33.

[0029] As a preferred embodiment, the support columns 32 and the rubber cushion blocks 33 provided on the lower end surface of the lower buffer seat 3 in the present utility model facilitate the buffering of the contact surface when descending to the bottom, reduce the impact wear of the bottom surface contact, and can better protect the bottom of the passenger elevator car, making it safer and more durable.

[0030] The present utility model can effectively solve the problem in the prior art that there is a lack of a buffer structure between the upper end surface of the movable plate and the inner top surface of the bottom box, which is prone to impact damage and is not safe and reliable to use. The present utility model is provided with shock dampers between the bottom of the box, the base and the middle buffer support frame. Not only is the middle buffer support frame structurally firm and reliable, but also the upper and lower double shock dampers buffer more safely and stably. At the same time, the rubber cushion blocks provided on the lower side of the base help to reduce the impact wear, making it safer and more durable.

[0031] The above embodiments are used to explain the present utility model, rather than to limit the utility model. Any modification and change made to the present utility model within the spirit of the present utility model and the scope of the claims for protection of the application shall be included within the protection scope of the present utility model.

Claims

1. A bottom structure of a passenger elevator car, characterized in that: It includes a passenger elevator car column (1), a middle buffer support frame (2) and a lower buffer seat (3). A top frame (10) is provided at the upper end of the passenger elevator car column (1), and a bottom box (11) is provided at the lower end of the passenger elevator car column (1). A plurality of upper shock damping devices (13) are provided on the lower end surface of the bottom box (11), and the upper shock damping devices (13) are sleeved inside the upper part of the middle buffer support frame (2). A plurality of lower shock damping devices (30) are installed between the lower part of the middle buffer support frame (2) and the upper end surface of the lower buffer seat (3), and embedding blocks (31) are provided on both the left and right sides of the upper end surface of the lower buffer seat (3).

2. The bottom structure of a passenger elevator car according to claim 1, characterized in that Card slots (12) are provided on both the left and right sides of the lower end surface of the bottom box (11), and the upper part of each embedding block (31) extends into the card slot (12) on the same side.

3. A bottom structure of a passenger elevator car according to claim 1, characterized in that, Two first U-shaped grooves (20) are provided in the upper part of the middle buffer support frame (2). A middle connecting plate (24) is connected between the two first U-shaped grooves (20), and the other end of the middle connecting plate (24) is fixed with an outer connecting plate (25). An fixing plate (22) is provided at the upper end of the first U-shaped groove (20), and a plurality of sleeve holes (23) are provided in the fixing plate (22).

4. The bottom structure of a passenger elevator car according to claim 3, characterized in that, Two second U-shaped grooves (21) are provided in the lower part of the middle buffer support frame (2), and the first U-shaped groove (20) and the second U-shaped groove (21) are symmetrically arranged up and down with respect to the center line of the middle buffer support frame (2), and the second U-shaped groove (21) has the same structural setting as the first U-shaped groove (20).

5. The bottom structure of a passenger elevator car according to claim 1, characterized in that, One end of the upper shock damping device (13) is sleeved in the sleeve hole (23), and one end of the lower shock damping device (30) is sleeved in the sleeve hole of the fixing plate provided on the second U-shaped groove (21).

6. The bottom structure of a passenger elevator car according to claim 1, characterized in that, A plurality of support columns (32) are fixed on both the left and right sides of the lower end surface of the lower buffer seat (3), and the lower part of the support column (32) is sleeved in a rubber cushion block (33).