Elevator car convenient to overhaul

By incorporating inspection slots and removable covers into the elevator ceiling base plate, the problem of insufficient leverage points during elevator maintenance is solved, achieving a balance between safety and aesthetics.

CN223906330UActive Publication Date: 2026-02-13TIANJIN WANWEI TECH DEV CO LTD
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Patent Information

Application Number
CN202520417692.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-02-13
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing elevator ceiling design has insufficient leverage points during maintenance, which may lead to maintenance personnel stepping into empty spaces or the ceiling deforming, and it is also difficult to achieve both aesthetics and safety.

Method used

An inspection slot is provided on the ceiling base plate, and a detachable cover plate and locking mechanism are provided. The cover plate is connected to the ceiling base plate through a third reinforcing rib to provide additional force points, and the cover plate is installed and fixed in a concealed manner through an eccentric circular pressure block.

Benefits of technology

This design increases the load-bearing points on the top of the elevator car, ensuring safety during maintenance, while maintaining the aesthetics and simplicity of the ceiling.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223906330U_ABST
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Abstract

The utility model relates to the field of elevators, in particular to an elevator car convenient to overhaul, which comprises a suspended ceiling bottom plate, an overhaul notch is arranged in the middle of the suspended ceiling bottom plate, a cover plate is detachably arranged at the overhaul notch, a third reinforcing rib is fixedly arranged on the top surface of the cover plate, and two ends of the third reinforcing rib protrude out of the edge of the cover plate. The two ends of the third reinforcing rib are erected on the top face of the suspended ceiling bottom plate, and locking mechanisms are arranged at the four corners of the bottom face of the cover plate. The third reinforcing ribs which can be erected on the edges of the first reinforcing ribs are arranged on the top face of the cover plate, more acting points of the top of the elevator car can be raised, and practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator field, concretely is a kind of elevator car of being convenient for overhauling. BACKGROUND

[0002] Elevator is closely related to daily life, elevator ceiling adopts a ceiling matching with the internal dimension of car roof. However, many of the existing elevator ceilings adopt integrated design structure to improve the degree of beauty, when the elevator is overhauled, the elevator car needs to be lifted to a predetermined position, then the elevator protective door corresponding to the top of the elevator car is opened, and the maintenance personnel climbs to the top of the elevator car to overhaul the elevator. Some elevator ceilings increase the maintenance function, such as the Chinese patent with publication number CN211056477U discloses an elevator car convenient to overhaul and install, a ventilation device is arranged on the car roof, and the ventilation device is convenient to disassemble to facilitate maintenance. However, when the maintenance personnel overhauls on the top of the elevator car, there are few force points on the car roof, which may cause the risk of deformation of the ceiling when stepping on the ceiling or stepping on the ceiling. SUMMARY

[0003] The utility model aims at providing a kind of elevator car of being convenient for overhauling to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of elevator car of being convenient for overhauling, including ceiling bottom plate, the middle part of the ceiling bottom plate is provided with maintenance slot, the maintenance slot is detachably provided with cover plate, the top surface of the cover plate is fixed with third reinforcing rib, the both ends of the third reinforcing rib protrude the edge of the cover plate and are arranged, and the both ends of the third reinforcing rib are arranged on the top surface of the ceiling bottom plate, the bottom surface of the cover plate is provided with locking mechanism at four corners.

[0005] Optionally, the front and rear of the top surface of the ceiling bottom plate are fixed with first reinforcing rib, the first reinforcing rib is arranged in left-right direction, three second reinforcing ribs are fixed on the top surface of the ceiling bottom plate between two first reinforcing ribs, and the second reinforcing rib is arranged in front-back direction. The maintenance slot is arranged in the region enclosed by two first reinforcing ribs and two second reinforcing ribs.

[0006] Optionally, the third reinforcing rib is provided with two, and the third reinforcing rib is arranged in front-back direction.

[0007] Optionally, the third reinforcing rib is composed of beam and welded lug plate, the both ends of the beam protrude the edge of the cover plate and are arranged on the edge of the first reinforcing rib, and the welded lug plate is connected to the bottom of the beam on both sides, and the both ends of the welded lug plate do not exceed the edge of the cover plate.

[0008] Optionally, the locking mechanism comprises rotating shafts connected at four corners of the cover plate, bottom ends of the rotating shafts are connected with circular pressing blocks arranged eccentrically, and the pressing blocks are pressed on the edges of the maintenance slot after being deflected.

[0009] Optionally, mounting lugs are outwardly bent at the periphery of the ceiling bottom plate, and the mounting lugs are used for being mounted on the top of the car wall of the elevator car.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the cover plate arranged at the maintenance slot is hiddenly installed, and the locking mechanism adopts the deflected circular pressing plate, so that the simplicity and the aesthetic degree of the elevator ceiling can be kept; the third reinforcing rib capable of being arranged on the edge of the first reinforcing rib is arranged on the top surface of the cover plate, so that more force points on the top of the elevator car can be improved, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 is a bottom view of the utility model;

[0012] Fig. 2 is a top view of the utility model;

[0013] Fig. 3 is a structure schematic view of the cover plate in the utility model.

[0014] In the drawing: 1, ceiling bottom plate; 101, maintenance slot; 102, first reinforcing rib; 103, second reinforcing rib; 104, mounting lug; 2, cover plate; 201, third reinforcing rib; 2011, welding lug; 2012, beam; 202, rotating shaft; 203, pressing block. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] Embodiment: please refer to Figs. 1-3The utility model provides a kind of elevator car convenient to overhaul, including ceiling bottom plate 1, the four around of ceiling bottom plate 1 is bent and has mounting lug plate 104, and mounting lug plate 104 is used to install in the car wall top of elevator car.The front and rear of the top surface of ceiling bottom plate 1 are fixed with first reinforcing rib 102, and first reinforcing rib 102 is distributed and arranged in left and right direction, and three second reinforcing ribs 103 are fixed between two first reinforcing ribs 102 on the top surface of ceiling bottom plate 1, and second reinforcing rib 103 is distributed and arranged in front and back direction, and access is provided in the region that two first reinforcing ribs 102 and two second reinforcing ribs 103 jointly enclose, and access is detachably and hiddenly provided with cover plate 2 at access 101, and the top surface of cover plate 2 is fixed with third reinforcing rib 201, and third reinforcing rib 201 is provided with two, and third reinforcing rib 201 is distributed and arranged in front and back direction.Specifically, third reinforcing rib 201 is composed of beam 2012 and welded lug plate 2011, and the front and back ends of beam 2012 are projected and arranged on the edge of first reinforcing rib 102 and are erected on the edge of first reinforcing rib 102, and welded lug plate 2011 is connected to the bottom of beam 2012 on both sides, and the front and back ends of welded lug plate 2011 do not exceed the edge of cover plate 2.When using, the two ends of third reinforcing rib 201 can be erected on the top surface of ceiling bottom plate 1, i.e., the edge of first reinforcing rib 102, to provide more force points for the top of elevator car, facilitating maintenance personnel to carry out maintenance work.

[0017] On the basis of the above embodiment, locking mechanism is provided at the bottom surface of cover plate 2 at four corners.Locking mechanism includes rotating shaft 202 rotatably connected at four corners of cover plate 2, and the bottom end of rotating shaft 202 is connected with eccentric circular pressing block 203, and pressing block 203 is pressed on the edge of access 101 after deflection.When installing and fixing cover plate 2, since cover plate 2 can be erected on first reinforcing rib 102 through beam 2012, pressing block 203 is pressed on the edge of access 101 at the bottom surface of ceiling bottom plate 1 after deflection, so that cover plate 2 can be fixed in height direction.When disassembling and maintaining cover plate 2, deflection pressing block 203 is not pressed on the edge of access 101, cover plate 2 is pushed up and moved aside, maintenance personnel climbs to the top of elevator car along access 101 from the elevator, cover plate 2 is then covered on access 101, and then maintenance work can be carried out.

[0018] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An elevator car with facilitated access for maintenance, comprising a ceiling floor (1), characterized in that: The middle part of the ceiling bottom plate (1) is provided with an inspection slot (101), and the inspection slot (101) is detachably provided with a cover plate (2), the top surface of the cover plate (2) is fixedly provided with a third reinforcing rib (201), the both ends of the third reinforcing rib (201) are arranged to protrude from the edge of the cover plate (2), and the both ends of the third reinforcing rib (201) are arranged on the top surface of the ceiling bottom plate (1), and the bottom surface of the cover plate (2) is provided with a locking mechanism.

2. An elevator car for ease of access according to claim 1, characterized in that: The front and rear parts of the top surface of the ceiling bottom plate (1) are fixedly provided with a first reinforcing rib (102), the first reinforcing rib (102) is arranged in the left-right direction, three second reinforcing ribs (103) are fixedly arranged on the top surface of the ceiling bottom plate (1) and between the two first reinforcing ribs (102), the second reinforcing rib (103) is arranged in the front-rear direction, and the inspection slot (101) is arranged in the region surrounded by the two first reinforcing ribs (102) and the two second reinforcing ribs (103).

3. An elevator car for ease of access according to claim 2, characterized in that: The third reinforcing rib (201) is provided with two third reinforcing ribs (201), and the third reinforcing rib (201) is arranged in the front-rear direction.

4. An elevator car for ease of access according to claim 3, characterized in that: The third reinforcing rib (201) is composed of a beam (2012) and a welded lug plate (2011), the both ends of the beam (2012) are arranged to protrude from the edge of the cover plate (2) and are arranged on the edge of the first reinforcing rib (102), and the welded lug plate (2011) is connected to the bottom of the beam (2012) on both sides, and the both ends of the welded lug plate (2011) do not exceed the edge of the cover plate (2).

5. An elevator car for ease of access according to claim 1, characterized in that: The locking mechanism comprises a rotating shaft (202) rotatably connected to the four corners of the cover plate (2), the bottom end of the rotating shaft (202) is connected with a circular pressing block (203) arranged eccentrically, and the pressing block (203) is pressed on the edge of the inspection slot (101) after being deflected.

6. An elevator car for ease of access according to claim 1, characterized in that: The ceiling bottom plate (1) is outwardly bent around the periphery to form a mounting lug plate (104), and the mounting lug plate (104) is used for mounting on the top of the car wall of the elevator car.

Citation Information

Patent Citations

  • Elevator car convenient to overhaul and install

    CN211056477U