Handrail device for elevator car

Abstract

The handrail device comprises the lift car, an installation groove is formed in the inner wall of the lift car, a handrail mechanism is installed in the installation groove, the handrail mechanism comprises an installation plate, a handrail rod and a cleaning ring, a hinge is arranged at the bottom of the installation plate, and the installation plate is rotationally connected with the lift car through the hinge. Fixing bolts are installed at the positions, close to the corners, of the upper portion of the mounting plate, the interior of the mounting plate is of a hollow structure and is provided with a disinfectant box, a screw and a motor, fixing columns are arranged at the two ends of the grab rail, and the ends of the fixing columns are fixedly connected with the surface of the mounting plate. The grab bar is sleeved with the cleaning ring, the motor in the mounting plate is started to drive the screw rod to rotate, the screw rod drives the cleaning ring to move through the threaded sleeve, the cleaning ring cleans the grab bar in the moving process, attachments on the surface of the grab bar are swept down, and disinfectant is sprayed out to disinfect the grab bar during cleaning. The manual cleaning intensity is reduced, and the cleaning and disinfecting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator carriages, in particular to a handrail device for an elevator carriage. Background Technique

[0002] With the rapid economic development and the continuous improvement of people's living standards, the safety of elevator carriages has been increasingly emphasized. For safety reasons, handrails are usually installed in common carriages, which can be used to help the weak or unwell people support their bodies and maintain body balance in the elevator carriage.

[0003] Since buildings equipped with vertical lift elevators are generally high-rise buildings, and car handrails are generally installed in the elevator carriages. When taking the elevator, people often lean on the handrails with their hands, and respiratory infectious diseases are easily transmitted through droplets or the way of hand-to-mouth.

[0004] Most of the existing elevator car handrails are cleaned and disinfected manually, with great cleaning difficulty and intensity. Therefore, a handrail device for an elevator carriage is proposed. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a handrail device for an elevator carriage, which solves the problems that most of the existing elevator car handrails are cleaned and disinfected manually, with great cleaning difficulty and intensity.

[0007] (2) Technical Solutions

[0008] To achieve the above purposes, the utility model is realized through the following technical solutions: A handrail device for an elevator carriage includes a carriage. An installation groove is opened on the inner wall of the carriage, and a handrail mechanism is installed in the installation groove. The handrail mechanism includes a mounting plate, a handrail rod, and a cleaning ring. A hinge is provided at the bottom of the mounting plate and is rotationally connected to the carriage through the hinge. Fixing bolts are installed near the corners above the mounting plate. The interior of the mounting plate is a hollow structure and is provided with a disinfectant liquid tank, a screw rod, and a motor. Fixing columns are provided at both ends of the handrail rod, and the ends of the fixing columns are fixedly connected to the surface of the mounting plate. The cleaning ring is sleeved on the handrail rod, and a plurality of spray heads and cleaning brushes distributed in a ring are provided on the inner wall of the cleaning ring. The spray heads and the cleaning brushes are alternately distributed, and the ends of the cleaning brushes are in contact connection with the surface of the handrail rod.

[0009] As a further preferred mode of the utility model, an adjustment groove is opened on the surface of the mounting plate, a water guide pipe is movably connected inside the adjustment groove, one end of the water guide pipe is connected to the cleaning ring, the other end extends into the mounting plate and is connected with a screw sleeve, and dust-proof brushes are provided in the adjustment groove.

[0010] As a further preferred embodiment of the present utility model, the screw rod is rotatably connected inside the mounting plate, the screw rod passes through the screw sleeve and is threadedly connected to the screw sleeve, one end of the surface of the screw rod is fixedly installed with a driven gear, and a driving gear is installed on the power output end of the motor and the driving gear is meshed with the driven gear.

[0011] As a further preferred embodiment of the present utility model, the disinfection liquid tank is filled with disinfection liquid, and a pump is further arranged inside the disinfection liquid tank, and a water outlet pipe is connected to the liquid output end of the pump.

[0012] As a further preferred embodiment of the present utility model, a guiding column is installed on the screw sleeve, a telescopic hose is installed on the side wall of the guiding column, and the end of the telescopic hose is connected to the water outlet pipe.

[0013] As a further preferred embodiment of the present utility model, a water guiding cavity is formed inside the cleaning ring, and the water guiding cavity is communicated with the guiding column through a water guiding pipe.

[0014] (III) Beneficial effects

[0015] The present utility model provides a handrail device for an elevator car. It has the following beneficial effects:

[0016] In the present utility model, a cleaning ring is sleeved on the handrail rod. After the motor inside the mounting plate is started, it drives the screw rod to rotate. The screw rod drives the cleaning ring to move through the screw sleeve. During the movement of the cleaning ring, it cleans the handrail rod, sweeps off the attachments on the surface of the handrail rod, and sprays disinfection liquid to disinfect the handrail rod while cleaning, reducing the intensity of manual cleaning and improving the cleaning and disinfection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the handrail device for an elevator car described in the present utility model;

[0018] Figure 2 It is the structure diagram of the handrail mechanism described in the present utility model;

[0019] Figure 3 It is the internal structure diagram of the mounting plate described in the present utility model;

[0020] Figure 4 It is the internal structure diagram of the cleaning ring described in the present utility model.

[0021] In the figure: 1, car; 2, installation groove; 3, handrail mechanism; 4, mounting plate; 5, fixing column; 6, hinge; 7, handrail rod; 8, adjustment groove; 9, cleaning ring; 10, dust-proof brush bristles; 11, fixing bolt; 12, disinfectant liquid tank; 13, guide post; 14, driving gear; 15, driven gear; 16, motor; 17, telescopic hose; 18, screw rod; 19, screw sleeve; 20, water guide pipe; 21, water guide cavity; 22, cleaning brush bristles; 23, nozzle. Specific implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1-4 , the embodiments of the present invention provide a technical solution: a handrail device for an elevator car 1, including a car 1. An installation groove 2 is opened on the inner wall of the car 1. A handrail mechanism 3 is installed in the installation groove 2. The handrail mechanism 3 includes a mounting plate 4, a handrail rod 7 and a cleaning ring 9. A hinge 6 is provided at the bottom of the mounting plate 4 and is rotationally connected to the car 1 through the hinge 6. Fixing bolts 11 are installed near the corners above the mounting plate 4. The interior of the mounting plate 4 is a hollow structure and is provided with a disinfectant liquid tank 12, a screw rod 18 and a motor 16. Fixing columns 5 are provided at both ends of the handrail rod 7, and the ends of the fixing columns 5 are fixedly connected to the surface of the mounting plate 4. The cleaning ring 9 is sleeved on the handrail rod 7, and a plurality of nozzles 23 and cleaning brush bristles 22 distributed in a ring are provided on the inner wall of the cleaning ring 9. The nozzles 23 and the cleaning brush bristles 22 are alternately distributed, and the ends of the cleaning brush bristles 22 are in contact connection with the surface of the handrail rod 7. The cleaning brush bristles 22 can clean the handrail rod 7. By spraying disinfectant liquid through the nozzles 23, the cleaning effect is improved, and it also has a disinfection function. A controller can be installed in the mounting plate 4 to be linked with the elevator so that disinfection and cleaning are carried out when it stops being used.

[0024] Further improved, an adjustment groove 8 is opened on the surface of the mounting plate 4. A water guide pipe 20 is movably connected inside the adjustment groove 8. One end of the water guide pipe 20 is connected to the cleaning ring 9, and the other end extends into the mounting plate 4 and is connected to a screw sleeve 19. Dust-proof brush bristles 10 are provided in the adjustment groove 8, and the dust-proof brush bristles 10 can reduce the problem of foreign objects entering the adjustment groove 8.

[0025] Further improved, the screw rod 18 is rotatably connected inside the mounting plate 4. The screw rod 18 passes through the screw sleeve 19 and is threadedly connected to the screw sleeve 19. One end of the surface of the screw rod 18 is fixedly installed with a driven gear 15. A driving gear 14 is installed on the power output end of the motor 16, and the driving gear 14 is meshed with the driven gear 15. The motor 16 drives the screw rod 18 to rotate.

[0026] Further improved, the disinfection liquid tank 12 is filled with disinfection liquid. A pump is also arranged inside the disinfection liquid tank 12. A water outlet pipe is connected to the liquid output end of the pump. The pump pumps out the disinfection liquid.

[0027] Further improved, a guide post 13 is installed on the screw sleeve 19. A telescopic hose 17 is installed on the side wall of the guide post 13. The end of the telescopic hose 17 is connected to the water outlet pipe. The telescopic hose 17 meets the movement requirement of the guide post 13.

[0028] Further improved, a water guide cavity 21 is formed inside the cleaning ring 9. The water guide cavity 21 is communicated with the guide post 13 through a water guide pipe 20, and the disinfection liquid is introduced into the water guide cavity 21.

[0029] Working principle: When cleaning and disinfecting, the motor 16 is started and drives the screw rod 18 to rotate through the driving gear 14 and the driven gear 15. During the rotation of the screw rod 18, the screw sleeve 19 is driven to displace. The screw sleeve 19 drives the cleaning ring 9 to move. During the movement of the cleaning ring 9, the handrail 7 is cleaned by the cleaning bristles 22. After the pump pumps out the disinfection liquid, it is sprayed out through the nozzle 23, so that the handrail 7 is disinfected during the cleaning process. After the cleaning is completed, the cleaning ring 9 can be reset.

[0030] 1. Carriage; 2. Installation groove; 3. Handrail mechanism; 4. Mounting plate; 5. Fixed column; 6. Hinge; 7. Handrail rod; 8. Adjustment groove; 9. Cleaning ring; 10. Dust-proof bristles; 11. Fixed bolt; 12. Disinfectant solution tank; 13. Guide post; 14. Driving gear; 15. Driven gear; 16. Motor; 17. Telescopic hose; 18. Screw rod; 19. Screw sleeve; 20. Water guide pipe; 21. Water guide cavity; 22. Cleaning bristles; 23. Sprayer, the components of the present utility model are all common standard parts or parts known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods. The problem solved by the present utility model is that the handrails of the existing elevator carriages are mostly manually cleaned and disinfected, with high cleaning difficulty and intensity. Through the mutual combination of the above components, the present utility model sleeved a cleaning ring 9 on the handrail rod 7. After the motor 16 inside the mounting plate 4 is started, it drives the screw rod 18 to rotate. The screw rod 18 drives the cleaning ring 9 to move through the screw sleeve 19. During the movement of the cleaning ring 9, it sweeps the handrail rod 7, sweeps off the attachments on the surface of the handrail rod 7, and sprays disinfectant solution to disinfect the handrail rod 7 while sweeping, reducing the intensity of manual cleaning and improving the cleaning and disinfection efficiency.

[0031] The above shows and describes the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic features of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0032] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An armrest device for an elevator car, comprising a car (1), characterized in that: An installation groove (2) is formed in the inner wall of the car body (1), and an armrest mechanism (3) is installed in the installation groove (2). The armrest mechanism (3) includes a mounting plate (4), an armrest rod (7) and a cleaning ring (9). A hinge (6) is arranged at the bottom of the mounting plate (4) and is rotationally connected to the car body (1) through the hinge (6). Fixing bolts (11) are installed near the corners above the mounting plate (4). The interior of the mounting plate (4) is of a hollow structure and is provided with a disinfectant solution tank (12), a screw rod (18) and a motor (16). Fixing columns (5) are arranged at both ends of the armrest rod (7), and the ends of the fixing columns (5) are fixedly connected to the surface of the mounting plate (4). The cleaning ring (9) is sleeved on the armrest rod (7), and a plurality of spray heads (23) and cleaning brushes (22) distributed in a ring shape are arranged on the inner wall of the cleaning ring (9). The spray heads (23) and the cleaning brushes (22) are alternately distributed, and the ends of the cleaning brushes (22) are in contact connection with the surface of the armrest rod (7).

2. The handrail device for an elevator car according to claim 1, characterized in that: An adjustment groove (8) is formed in the surface of the mounting plate (4), a water guide pipe (20) is movably connected inside the adjustment groove (8), one end of the water guide pipe (20) is connected to the cleaning ring (9), the other end extends into the mounting plate (4) and is connected with a screw sleeve (19), and dust-proof brushes (10) are arranged in the adjustment groove (8).

3. The handrail device for an elevator car according to claim 1, characterized in that: The screw rod (18) is rotationally connected inside the mounting plate (4), the screw rod (18) penetrates through the screw sleeve (19) and is in threaded connection with the screw sleeve (19). A driven gear (15) is fixedly installed at one end of the surface of the screw rod (18), and a driving gear (14) is installed on the power output end of the motor (16), and the driving gear (14) is meshed with the driven gear (15).

4. The handrail device for an elevator car according to claim 1, characterized in that: The disinfectant solution tank (12) is filled with disinfectant solution, and a pump is further arranged inside the disinfectant solution tank (12). A water outlet pipe is connected to the liquid output end of the pump.

5. The armrest device for an elevator car according to claim 2, characterized in that: A guide post (13) is installed on the screw sleeve (19), and a telescopic hose (17) is installed on the side wall of the guide post (13). The end of the telescopic hose (17) is connected to the water outlet pipe.

6. The handrail device for an elevator car according to claim 1, characterized in that: A water guide cavity (21) is formed inside the cleaning ring (9), and the water guide cavity (21) is communicated with the guide post (13) through the water guide pipe (20).

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