CN213707450U

CN213707450U - Safe elevator car

Info

Publication number: CN213707450U
Application number: CN202022733091.3U
Authority: CN
Inventors: 杨东东; 许晓明; 丁海洋; 沈芳芳; 吴翀
Original assignee: Zhejiang Huaxia Elevator Co ltd
Current assignee: Zhejiang Huaxia Elevator Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-16
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses an elevator car, aiming at providing a safe elevator car, which comprises a driving device, a transmission device and a lifting plate; the driving device is fixed on the car top, the transmission device penetrates through the car top and then is connected with the car bottom, and the lifting plate is connected to the transmission device; a partition plate is further arranged in the lift car, the transmission device is arranged between the partition plate and the car wall, and a rectangular groove is further formed in the partition plate; the driving device drives the lifting plate to lift through the transmission device. When the elevator breaks down, the lifting plate positioned in the elevator car can drive the passengers to lift, so that the distance between the passengers and the escape window is reduced, and the passengers can conveniently open the escape window; the worm and the worm wheel are used for transmission, so that the transmission is more stable, and the self-locking capability is stronger; overall structure is simple, the maintenance of installation and later stage of being convenient for.

Description

Safe elevator car

Technical Field

The utility model relates to an elevator car technical field especially relates to a safe elevator car.

Background

When the lift car type elevator runs, the elevator lift car is driven to run up and down by the traction machine through the steel wire rope, and the traction machine is controlled by the controller. As an electromechanical integrated device, the car type elevator inevitably has certain faults when in long-term operation, after the elevator has certain faults, the elevator car can stay at any position in a well, at the moment, a car door and a landing door can not be opened, and passengers are trapped in the elevator car.

Be equipped with the window of fleing at the sedan-chair top in present elevator car, but after the elevator broke down, because the distance that the passenger exists with the window of fleing is great, the passenger opens the window of fleing and exists certain degree of difficulty in the car, needs the rescue personnel to open the window of fleing in the external world, implements the rescue to the inside personnel of elevator car. If the failure of the car is not found in time by the outside, passengers are trapped inside the car for a long time and feel uncomfortable.

Therefore, a safe elevator car is to be designed, after the elevator breaks down, the distance between a passenger and the escape window can be shortened, and the passenger can conveniently open the escape window.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve current elevator when breaking down, passenger in the car and the distance between the window of fleing are great, lead to the passenger to open the degree of difficulty of the window of fleing higher, provide a safe elevator car.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a safe elevator car comprises a driving device, a transmission device and a lifting plate; the driving device is fixed on the car top, the transmission device penetrates through the car top and then is connected with the car bottom, and the lifting plate is connected to the transmission device; a partition plate is further arranged in the lift car, the transmission device is arranged between the partition plate and the car wall, and a rectangular groove is further formed in the partition plate; the driving device drives the lifting plate to lift through the transmission device.

Preferably, the driving device comprises a motor, a coupling, a driving shaft and a mounting bracket; the motor is connected with the driving shaft through the coupler, the driving shaft is fixed on the car top through the mounting bracket, the driving shaft is also provided with a worm, and the transmission device comprises a plurality of transmission shafts; one end of the transmission shaft is fixed on the car bottom through a bearing, and the other end of the transmission shaft penetrates through the car top and is provided with a worm wheel matched with the worm; the surface of transmission shaft is equipped with the external screw thread, and the lifter plate is connected on the transmission shaft. The worm and the worm wheel are used for transmission, the transmission is stable, the position of the transmission shaft is relatively fixed, and after the motor drives the transmission shaft to rotate, the lifting plate can achieve the lifting or descending function.

Preferably, the transmission shaft is provided with a sleeve, an internal thread matched with the external thread is arranged inside the sleeve, and the sleeve is in threaded connection with the transmission shaft; the lifting plate is connected with the sleeve through a connecting block, and the connecting block transversely penetrates through the rectangular groove. The sleeve is connected with the lifting plate through the connecting plate, and only abrasion can occur in the sleeve in the lifting process of the lifting plate in the later period, so that the lifting plate can be better protected, and the rectangular groove can avoid the phenomenon that the lifting plate collides with the partition plate in the lifting process.

Preferably, the lifting plate is L-shaped, the outer side face of the lifting plate is connected with the sleeve through a connecting block, and the inner side face of the lifting plate is further provided with a handrail. The lifting plate and the sleeve are convenient to fix, and the handrail is convenient for passengers to step on the lifting plate to lift.

Preferably, both ends of the transmission shaft are provided with limit switches, and the limit switches control the motor through a controller. The running position of the lifting plate on the transmission shaft is limited, so that the whole lifting process is safer.

Preferably, the car bottom is further provided with a fixing plate, and the thickness of the fixing plate is consistent with that of the bottom surface of the lifting plate. When the elevator breaks down, the passengers can conveniently evacuate from the escape windows in batches.

The utility model discloses following beneficial effect has: (1) when the elevator breaks down, the lifting plate positioned in the elevator car can drive the passengers to lift, so that the distance between the passengers and the escape window is reduced, and the passengers can conveniently open the escape window; (2) the worm and the worm wheel are used for transmission, so that the transmission is more stable, and the self-locking capability is stronger; (3) overall structure is simple, the maintenance of installation and later stage of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

in the figure: the device comprises a lifting plate 1, a car top 2, a car bottom 3, a partition plate 4, a motor 5, a coupler 6, a driving shaft 7, a mounting bracket 8, a worm 9, a transmission shaft 10, a worm gear 11, a sleeve 12, a connecting block 13, a limit switch 14 and a fixing plate 15.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

A safe elevator car comprises a driving device, a transmission device and a lifting plate 1; the driving device is fixed on the car top 2, the transmission device penetrates through the car top 2 and then is connected with the car bottom 3, and the lifting plate 1 is connected to the transmission device; a partition plate 4 is further arranged in the lift car, the transmission device is arranged between the partition plate 4 and the car wall, and a rectangular groove is further formed in the partition plate 4; the driving device drives the lifting plate 1 to lift through the transmission device.

The driving device comprises a motor 5, a coupler 6, a driving shaft 7 and a mounting bracket 8; the motor 5 is connected with the driving shaft 7 through the coupling 6, the driving shaft 7 is fixed on the car roof 2 through the mounting bracket 8, the driving shaft 7 is also provided with a worm 9, and the transmission device comprises a plurality of transmission shafts 10; one end of a transmission shaft 10 is fixed on the car bottom 3 through a bearing, and the other end of the transmission shaft 10 penetrates through the car top 2 and is provided with a worm wheel 11 matched with the worm 9; the surface of transmission shaft 10 is equipped with the external screw thread, and lifter plate 1 connects on transmission shaft 10. The worm 9 and the worm wheel 11 are used for transmission, the transmission is stable, the position of the transmission shaft 10 is relatively fixed, and after the motor 5 drives the transmission shaft 10 to rotate, the lifting plate 1 can achieve the lifting or descending function.

A sleeve 12 is arranged on the transmission shaft 10, an internal thread matched with the external thread is arranged inside the sleeve 12, and the sleeve 12 is in threaded connection with the transmission shaft 10; the lifting plate 1 is connected with the sleeve 12 through a connecting block 13, and the connecting block 13 transversely penetrates through the rectangular groove. Link to each other sleeve 12 through connecting plate and lifter plate 1, in the lift in-process is carried out to lifter plate 1 in later stage, only can take place wearing and tearing in sleeve 12 is inside, protection lifter plate 1 that can be better, and the rectangular channel can avoid lifter plate 1 to bump the phenomenon with baffle 4 in the lift in-process.

The lifting plate 1 is L-shaped, the outer side surface of the lifting plate 1 is connected with the sleeve 12 through the connecting block 13, and the inner side surface of the lifting plate 1 is further provided with a handrail. The lifting plate 1 and the sleeve 12 are fixed conveniently, and the handrail is arranged to facilitate the passengers to step on the lifting plate 1 to lift.

And both ends of the transmission shaft 10 are provided with limit switches 14, and the limit switches 14 control the motor 5 through a controller. The running position of the lifting plate 1 on the transmission shaft 10 is limited, so that the whole lifting process is safer.

The car bottom 3 is also provided with a fixing plate 15, and the thickness of the fixing plate 15 is consistent with that of the bottom surface of the lifting plate 1. When the elevator breaks down, the passengers can conveniently evacuate from the escape windows in batches.

Installation and use of this implementation: the driving shaft 7 is fixed on the car roof 2 through a mounting bracket 8, the driving shaft 7 is connected with the motor 5 through a coupling 6, and the surface of the driving shaft 7 is provided with a worm 9; after the transmission shaft 10 penetrates through the car roof 2, one end of the transmission shaft is fixed on the car bottom 3 through a bearing, the other end of the transmission shaft is provided with a worm wheel 11, and the worm wheel 11 and the worm 9 are in a meshed state. The transmission shaft 10 is also provided with a sleeve 12, the sleeve 12 is in threaded connection with the transmission shaft 10, the lifting plate 1 is connected with the sleeve 12 through a connecting block 13, meanwhile, two ends of the transmission shaft 10 are provided with limit switches 14, and a fixing plate 15 is arranged above the car bottom 3. When the elevator breaks down, the orderly station of inside passenger is on lifter plate 1, a part of people stands on lifter plate 1 promptly, a part of people stands on fixed plate 15, then driving motor 5 operation, motor 5 drives drive shaft 7 and rotates, drive shaft 7 drives transmission shaft 10 rotation through worm 9 worm wheel 11, transmission shaft 10's rotation drives sleeve 12 rebound, thereby realize lifter plate 1's rising, when rising to a certain position, make motor 5 stall, the passenger can conveniently open the window of fleing, carry out self-rescue. Then, the motor 5 is controlled to rotate reversely to lower the lifting plate 1, so that other passengers can rescue themselves. The power supply of the motor 5 can adopt an independent power supply and can also supply power through a storage battery pack. When the sleeve 12 touches the limit switch 14 during the lifting process of the lifting plate 1, the motor 5 stops running.

Claims

1. A safety elevator car, characterized in that: comprises a driving device, a transmission device and a lifting plate (1); the driving device is fixed on the car top (2), the transmission device penetrates through the car top (2) and then is connected with the car bottom (3), and the lifting plate (1) is connected to the transmission device; a partition plate (4) is further arranged in the lift car, the transmission device is arranged between the partition plate (4) and the car wall, and a rectangular groove is further formed in the partition plate (4); the driving device drives the lifting plate (1) to lift through the transmission device.

2. A safety elevator car as claimed in claim 1, wherein: the driving device comprises a motor (5), a coupler (6), a driving shaft (7) and a mounting bracket (8); the motor (5) is connected with the driving shaft (7) through the coupling (6), the driving shaft (7) is fixed on the car roof (2) through the mounting bracket (8), the driving shaft (7) is also provided with a worm (9), and the transmission device comprises a plurality of transmission shafts (10); one end of a transmission shaft (10) is fixed on the car bottom (3) through a bearing, and the other end of the transmission shaft (10) penetrates through the car top (2) and is provided with a worm wheel (11) matched with the worm (9); the surface of the transmission shaft (10) is provided with external threads, and the lifting plate (1) is connected to the transmission shaft (10).

3. A safety elevator car as claimed in claim 2, wherein: a sleeve (12) is arranged on the transmission shaft (10), an internal thread matched with the external thread is arranged in the sleeve (12), and the sleeve (12) is connected to the transmission shaft (10) in a threaded manner; the lifting plate (1) is connected with the sleeve (12) through a connecting block (13), and the connecting block (13) transversely penetrates through the rectangular groove.

4. A safety elevator car as claimed in claim 3, wherein: the lifting plate (1) is L-shaped, the outer side surface of the lifting plate (1) is connected with the sleeve (12) through a connecting block (13), and the inner side surface of the lifting plate (1) is further provided with a handrail.

5. A safety elevator car as claimed in claim 3, wherein: and both ends of the transmission shaft (10) are provided with limit switches (14), and the limit switches control the motor (5) through a controller.

6. A safety elevator car as claimed in claim 1, wherein: the car bottom (3) is also provided with a fixing plate (15), and the thickness of the fixing plate is consistent with that of the bottom surface of the lifting plate (1).