Ventilation device in elevator car

Abstract

The utility model relates to the technical field of elevators, and discloses an elevator car inner ventilation device which comprises a car body 1, a machine shell 2 is installed on the rear side of the inner wall of the car body 1, installation grooves 3 are formed in the left end and the right end of the inner wall of the machine shell 2 respectively, and the installation grooves 3 in the left end and the right end are connected with an air return grille 5 and an air outlet grille 4 respectively in a sliding mode. Mounting holes 20 are formed in the front sides of the outer walls of the air return grating 5 and the air outlet grating 4, the mounting holes 20 are connected with the machine shell 2 through fixing bolts 21, fixing grooves 6 are formed in the ends, close to each other, of the mounting grooves 3 in the left end and the right end, and the fixing grooves 6 in the left end and the right end are slidably connected with an air return filter plate 11 and an air outlet filter plate 7 respectively. According to the utility model, the filter plate is easy to disassemble and maintain, the return air filter plate and the air outlet filter plate are convenient to clean or replace regularly, good filter performance is maintained, air in the lift car is ensured to be clean, a return air inlet cleaning structure is added, the cleaning brush can vertically scrape and sweep the return air filter plate, dust accumulation is avoided, the filter precision is reduced, and the air quality of the lift car is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator technical field especially relates to a ventilation device in elevator car. BACKGROUND

[0002] As a kind of vertical transport equipment, elevator is mainly used to transport pedestrian or goods, and serves the building of specific floor.Vertical lift is equipped with car, and it is operated between at least two columns of vertical or inclination angle less than 15 ° rigid guide rail, facilitate passenger to enter and exit and the loading and unloading of goods.According to speed division, elevator can be divided into low-speed elevator, fast elevator and high-speed elevator.In the process of elevator operation, car interior is a relatively closed space.Especially when the number of passengers is large, air cannot effectively circulate, and stuffy feeling is prone to be produced, and odor will gradually accumulate.In hot summer, this closed environment will also cause temperature to rise rapidly, greatly influence the passenger's riding experience.In order to solve these problems, the elevator of present is universally installed with car ventilation device.Ventilation device can promote air circulation in car, discharge foul air, introduce fresh air, effectively improve air quality in car, reduce odor, and adjust temperature to some extent, create a more comfortable riding environment for passengers.

[0003] However, in actual use, it is found that the existing car ventilation device still has the following technical problems:

[0004] The existing ventilation device may pursue compact structure or reduce cost, and adopt the mode of fixedly installing filter plate, without considering the need of regular cleaning and replacement of filter plate in use process, so that maintenance personnel need to spend a lot of time and effort when cleaning or replacing filter plate, increase maintenance cost and difficulty, and with the increase of use time, a large amount of dust will accumulate on filter plate, gradually block the pores of filter plate, reduce ventilation volume, and the filtering effect will be poor, however, the existing ventilation device for elevator car mostly does not have corresponding cleaning function or structure.

[0005] To solve the above technical problems, the present application provides a ventilation device in elevator car. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings in the prior art, and provides a ventilation device in elevator car, which realizes easy disassembly and maintenance of filter plate, facilitates regular cleaning or replacement of return air filter plate and outlet air filter plate, maintains good filtering performance, guarantees clean air in car, increases return air opening cleaning structure, vertically scrapes return air filter plate by cleaning brush, avoids dust accumulation to reduce filtering precision, and improves air quality in car.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model relates to an elevator car ventilation device, including car body, install the machine shell on the rear side of car body inner wall, the left and right two ends of machine shell inner wall all are equipped with the installation slot, the left and right two ends installation slot are slidably connected with return air grille and air outlet grille, the outer wall front side of return air grille and air outlet grille all are equipped with the mounting hole, the mounting hole is connected with machine shell through fixed bolt, the similar one end of left and right two installation slots all is equipped with fixed slot, the left and right two fixed slots are slidably connected with return air filter plate and air outlet filter plate, the left side of machine shell is equipped with return air port, the right side of machine shell is equipped with air outlet, the air outlet is connected with the air draft component through air duct, the left end of machine shell rear side is fixedly connected with fixed seat, the front side right end of fixed seat is rotatably connected with gear, the rear side of gear is fixedly connected with motor, and the motor is fixedly connected in the inside of machine shell, the front side of fixed seat is equipped with sliding slot no.

[0009] Further, the return air grille and the air outlet grille are both L-shaped, and the rear side of the return air grille and the air outlet grille 4 is attached to the front side of the return air filter plate and the air outlet filter plate.

[0010] Further, the rear side of the return air grille and the air outlet grille is fixedly connected with a magnetic strip.

[0011] Further, the air draft component includes an air pipe, the bottom end of the air pipe is fixedly connected to the top of the air duct, and the top end of the air pipe is fixedly connected with an air draught fan.

[0012] Further, the air duct penetrates through the rear side of the car body inner wall, and the air draught fan is fixedly connected to the top of the car body outer wall.

[0013] Further, the rear side of the machine shell is provided with a negative pressure cavity, and the negative pressure cavity is connected with the return air port.

[0014] Further, the bottom side of the left end of the machine shell inner wall is provided with a dust collecting hopper, and the left bottom end of the machine shell is connected with a dust collecting box through a sliding assembly.

[0015] Further, the sliding assembly includes a sliding groove two, the sliding groove two is arranged at the left bottom end of the machine shell, the sliding groove two is connected with the dust collecting box through a sliding block, and the sliding block is fixedly connected to the right end of the bottom of the dust collecting box.

[0016] The utility model has the following beneficial effects:

[0017] 1. The utility model discloses, realized the filter plate easy to disassemble maintenance, the installation mode of sliding and the return air grille and the air outlet grille play further fixed effect, make can regularly to the return air filter plate and the air outlet filter plate clean or replace, always keep its good filtering performance, ensure that the air clean of entering and discharging lift car, provide the passenger with the more healthy ride environment.

[0018] 2. The utility model discloses, increased return air port cleaning structure, the rack that gear drives and is engaged does the up-down straight line motion in the sliding slot one, and then make the cleaning brush fixed on the rack to the return air filter plate carries out up-down scraping. This cleaning structure can make the return air filter plate always keep better filtering capacity, will not because dust accumulation and reduce the filtering precision, ensure that the air that enters the ventilation device is effectively filtered, improve the air quality in lift car. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a kind of ventilation device in elevator car for the utility model to propose the perspective view;

[0020] Figure 2 It is the structure schematic view of exhaust fan in a kind of ventilation device in elevator car for the utility model to propose;

[0021] Figure 3 It is the structure schematic view of installation slot in a kind of ventilation device in elevator car for the utility model to propose;

[0022] Figure 4 It is the structure schematic view of negative pressure cavity in a kind of ventilation device in elevator car for the utility model to propose;

[0023] Figure 5 It is Figure 4 the enlarged view of A in

[0024] Figure 6 It is Figure 4 the enlarged view of B in

[0025] Figure 7 It is the structure schematic view of dust collection box in a kind of ventilation device in elevator car for the utility model to propose.

[0026] LEGEND

[0027] 1, compartment; 2, casing; 3, mounting groove; 4, air outlet grille; 5, return air grille; 6, fixed groove; 7, air outlet filter plate; 8, air outlet; 9, air duct; 10, air extraction assembly; 11, return air filter plate; 12, fixed seat; 13, gear; 14, sliding groove one; 15, rack; 16, cleaning brush; 17, dust collecting hopper; 18, sliding assembly; 19, dust collecting box; 20, mounting hole; 21, fixing bolt; 22, negative pressure cavity; 23, return air outlet; 1001, air pipe; 1002, air extractor; 1801, sliding groove two; 1802, sliding block. DETAILED DESCRIPTION

[0028] 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 scope of protection of the utility model.

[0029] Referring to Figure 1 , Figure 3 and Figure 4 , the utility model provides an embodiment: a kind of elevator car ventilation device, including compartment 1, casing 2 is installed in the rear side of inner wall of compartment 1, and the left and right ends of inner wall of casing 2 are all provided with mounting groove 3, and the left and right ends mounting groove 3 are respectively slidably connected with return air grille 5 and air outlet grille 4, and the front side of outer wall of return air grille 5 and air outlet grille 4 is all provided with mounting hole 20, and mounting hole 20 is connected with casing 2 by fixing bolt 21, and the similar end of left and right end mounting groove 3 is all provided with fixed groove 6, and the left and right end fixed groove 6 is respectively slidably connected with return air filter plate 11 and air outlet filter plate 7, and the left side of casing 2 is provided with return air outlet 23, and the right side of casing 2 is provided with air outlet 8, and air outlet 8 is connected with air extraction assembly 10 by air duct 9, and the left end of rear side of casing 2 is fixedly connected with fixed seat 12, and the right end of front side of fixed seat 12 is rotatably connected with gear 13, and the rear side of gear 13 is fixedly connected with motor, and motor is fixedly connected in casing 2, and the front side of fixed seat 12 is provided with sliding groove one 14, and the inner wall of sliding groove one 14 is slidably connected with rack 15, and the right end of rack 15 is meshingly connected with gear 13, and the top end and bottom end of front side of rack 15 are all fixedly connected with cleaning brush 16, and the right end of cleaning brush 16 is in contact with the left side of return air filter plate 11.

[0030] Specifically, the installation groove 3 has the beneficial effect of providing precise installation tracks for the return air grille 5 and the outlet air grille 4, achieving convenient installation and disassembly of the two, facilitating cleaning and replacement of the two, the outer wall front side of the return air grille 5 and the outlet air grille 4 is provided with a mounting hole 20, the mounting hole 20 is connected with the cabinet 2 through a fixing bolt 21, this connection method not only makes the return air grille 5 and the outlet air grille 4 firmly installed, but also when maintenance is needed, the return air grille 5 and the outlet air grille 4 can be easily removed by simply unscrewing the fixing bolt 21, greatly improving the maintenance efficiency, during installation, the return air filter plate 11 and the outlet air filter plate 7 are first correspondingly slid into the fixed groove 6, and then the return air grille 5 and the outlet air grille 4 are slid into the installation position along the installation groove 3, at this time, the front side of the return air filter plate 11 and the outlet air filter plate 7 is tightly fitted with the rear side of the return air grille 5 and the outlet air grille 4, the return air grille 5 and the outlet air grille 4 play a further fixing role for the return air filter plate 11 and the outlet air filter plate 7, this installation method not only ensures the stable installation of the return air filter plate 11 and the outlet air filter plate 7, but also facilitates the maintenance and replacement of the return air filter plate 11 and the outlet air filter plate 7 when the return air grille 5 and the outlet air grille 4 are disassembled, the air outlet 8 is connected with the air suction assembly 10 through the air duct 9, the return air outlet 23 is used to exhaust the air in the car, the air outlet 8 is used to exhaust the treated air, the air duct 9 guides the airflow from the air suction assembly 10 to the air outlet 8, during work, the motor starts to drive the gear 13 to rotate, the rotation of the gear 13 drives the rack 15 engaged with the gear 13 to move up and down in the sliding groove 1 4, thereby making the cleaning brush 16 fixed on the rack 15 to scrape up and down on the return air filter plate 11, so as to scrape the dust and other impurities on the return air filter plate 11 into the dust collecting hopper 17, avoiding the return air filter plate 11 from being blocked by dust to affect the ventilation and filtering effect, and ensuring the long-term stable operation of the ventilation device.

[0031] Referring to Figure 2 , Figure 4 and Figure 7 , the return air grille 5 and the outlet air grille 4 are both L-shaped, the rear side of the return air grille 5 and the outlet air grille 4 is fitted with the front side of the return air filter plate 11 and the outlet air filter plate 7, the rear side of the return air grille 5 and the outlet air grille 4 is fixedly connected with a magnetic strip, the air suction assembly 10 includes a wind pipe 1001, the bottom end of the wind pipe 1001 is fixedly connected to the top of the air duct 9, the top end of the wind pipe 1001 is fixedly connected with an air suction machine 1002, the air duct 9 penetrates through the rear side of the inner wall of the car body 1, the air suction machine 1002 is fixedly connected to the top of the outer wall of the car body 1, the rear left end of the cabinet 2 is provided with a negative pressure cavity 22, the negative pressure cavity 22 is connected with the return air outlet 23, the bottom side of the left end of the inner wall of the cabinet 2 is provided with a dust collecting hopper 17, the left bottom end of the cabinet 2 is connected with a dust collecting box 19 through a sliding assembly 18, the sliding assembly 18 includes a sliding groove two 1801, the sliding groove two 1801 is provided on the left bottom end of the cabinet 2, the sliding groove two 1801 is connected with the dust collecting box 19 through a sliding block 1802, the sliding block 1802 is fixedly connected to the bottom right end of the dust collecting box 19.

[0032] Specifically, the L-shaped structure can better adapt to the internal structure of the cabinet 2 and the compartment 1, fully utilize the space, and the rear side of the return air grille 5 and the air outlet grille 4 is fixedly connected with a magnetic strip. During installation, the magnetic strip can preliminarily fix the return air grille 5 and the air outlet grille 4 through magnetic force, which facilitates subsequent precise installation by the fixing bolt 21, improves the convenience of installation, and when the air extractor 1002 works, a suction force is generated to form a negative pressure in the air duct 9, so that the air outside the car enters the air outlet 8 from the cabinet 2, air circulation is realized, and fresh air is continuously provided in the car. The negative pressure cavity 22 is connected with the return air outlet 23, and the existence of the negative pressure cavity 22 further enhances the air suction effect of the return air outlet 23. By using the negative pressure principle, the air flow in the car to the return air outlet 23 is accelerated, the ventilation efficiency is improved, the performance of the ventilation device is more excellent, and the dust and impurities filtered by the return air filter plate 11 fall into the dust collecting hopper 17 under the action of gravity, and then slide into the dust collecting box 19. The design of the sliding assembly 18 enables the dust collecting box 19 to be stably installed and easily disassembled. When the dust in the dust collecting box 19 accumulates too much, the dust collecting box 19 can be pulled out along the sliding groove 1801 for cleaning, and the operation is very convenient.

[0033] Working principle: when working, the air extractor 1002 is started to form a negative pressure in the air duct 9, so that the air outside the car enters the air outlet 8 from the cabinet 2, and the negative pressure cavity 22 at the return air outlet 23 enhances the air suction effect during return air. The air passes through the return air filter plate 11 for filtering, the motor drives the gear 13 to rotate, the rack 15 engaged with the gear 13 drives the cleaning brush 16 to scrape the return air filter plate 11, and the dust and impurities fall into the dust collecting hopper 17 and slide into the dust collecting box 19. The return air grille 5, the air outlet grille 4, the return air filter plate 11 and the air outlet filter plate 7 are installed through the installation slot 3, the fixing slot 6 and the fixing bolt 21, the magnetic strips of the return air grille 5 and the air outlet grille 4 facilitate installation, the front side of the return air filter plate 11 and the air outlet filter plate 7 is tightly attached to the rear side of the return air grille 5 and the air outlet grille 4, the return air grille 5 and the air outlet grille 4 play a further fixing role on the return air filter plate 11 and the air outlet filter plate 7, and together guarantee the stable operation and high efficiency of the ventilation device.

[0034] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.

Claims

1. An air ventilation device in an elevator car, characterized by The utility model provides a kind of air conditioner, including compartment (1), the rear side of the inner wall of the compartment (1) is equipped with machine shell (2), the left and right ends of the inner wall of the machine shell (2) are equipped with installation slot (3), the left and right ends the installation slot (3) is slidably connected with return air grille (5) and air outlet grille (4) respectively, the front side of the outer wall of return air grille (5) and air outlet grille (4) is equipped with mounting hole (20), the mounting hole (20) is connected with machine shell (2) by fixed bolt (21), the similar one end of the left and right ends the installation slot (3) is equipped with fixed slot (6), the left and right ends the fixed slot (6) is slidably connected with return air filter plate (11) and air outlet filter plate (7) respectively, the left side of the machine shell (2) is equipped with return air port (23), the right side of the machine shell (2) is equipped with air outlet (8), the air outlet (8) is connected with suction assembly (10) by air duct (9), the left end of the rear side of the machine shell (2) is fixedly connected with fixed seat (12), the right end of the front side of the fixed seat (12) is rotatably connected with gear (13), the rear side of the gear (13) is fixedly connected with motor, the motor is fixedly connected in the inside of machine shell (2), the front side of the fixed seat (12) is equipped with sliding slot one (14), the inner wall of the sliding slot one (14) is slidably connected with rack (15), the right end of the rack (15) is meshingly connected with gear (13), the top end and the bottom end of the front side of the rack (15) are fixedly connected with cleaning brush (16), the right end of the cleaning brush (16) is in contact with the left side of return air filter plate (11).

2. An air distribution system for an elevator car as defined in claim 1, wherein: The return air grille (5) and air outlet grille (4) are L-shaped, and the rear side of the return air grille (5) and air outlet grille (4) is in contact with the front side of the return air filter plate (11) and air outlet filter plate (7).

3. An air distribution system for an elevator car as defined in claim 1, wherein: The rear side of the return air grille (5) and air outlet grille (4) is fixedly connected with a magnetic strip.

4. An air distribution system for an elevator car as defined in claim 1, wherein: The suction assembly (10) comprises a wind pipe (1001), the bottom end of the wind pipe (1001) is fixedly connected to the top of the air duct (9), and the top end of the wind pipe (1001) is fixedly connected with a suction fan (1002).

5. An air distribution system for an elevator car as defined in claim 4, wherein: The air duct (9) penetrates through the rear side of the inner wall of the compartment (1), and the suction fan (1002) is fixedly connected to the top of the outer wall of the compartment (1).

6. An air distribution system for an elevator car as defined in claim 1, wherein: The left end of the rear side of the machine shell (2) is provided with a negative pressure cavity (22), and the negative pressure cavity (22) is connected with the return air port (23).

7. An air distribution system for an elevator car as defined in claim 1, wherein: The bottom side of the left end of the inner wall of the machine shell (2) is provided with a dust collecting hopper (17), and the left bottom end of the machine shell (2) is connected with a dust collecting box (19) through a sliding assembly (18).

8. An air distribution system for an elevator car as defined in claim 7, wherein: The sliding assembly (18) comprises a sliding groove two (1801), the sliding groove two (1801) is provided on the left end of the bottom of the machine shell (2), the sliding groove two (1801) is connected with the dust collecting box (19) through a sliding block (1802), and the sliding block (1802) is fixedly connected to the right end of the bottom of the dust collecting box (19).

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