Switchable mode air purification device

Abstract

The application discloses a switchable mode air purification device in the technical field of automobile air conditioners, which comprises a shell, a filter core, a sliding air door, a mode motor, a gear spline, a gear shaft, air inlet sealing foam, air outlet sealing foam, a left locking mechanism and a right locking mechanism. The filter core is arranged in the shell, and the left locking mechanism and the right locking mechanism are rotated to the locking position to fix the filterability. The shell is provided with buckle structures for fixing the left locking mechanism and the right locking mechanism. The shell is provided with a sliding air door guide rail, the sliding air door is provided with a gear belt, and the gear belt is meshed with the gear on the gear shaft. A transmission shaft is connected with the gear spline, and the gear spline is connected with the mode driving motor. The application can adjust the mode according to the requirement, realizes the purification mode and the non-purification mode, and when the filter core needs to be replaced, the air purification device is switched to the purification mode, the left locking mechanism and the right locking mechanism are rotated to the loosening position, and then the filter core can be taken out and replaced, so that the replacement process is simple and convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to an air purification device in the field of automobile air conditioning technology, in particular to a switchable mode air purification device using a sliding damper to realize the switching between purification mode and non-purification mode. BACKGROUND

[0002] At present, the demand for air purification function in the car is increasing, and the quality of air in the car is getting higher and higher. The air filter in the automobile air conditioning box is usually limited by the space of the passenger compartment, and the size and performance of the air filter are greatly limited. In order to improve the air quality in the car, more and more cars increase air purification devices in front of the air inlet of the automobile air conditioner. Considering the influence of the additional air purification device on the air resistance of the whole vehicle, it is necessary to realize the mode switching function of the air purification device, that is, when the air quality outside the car is good or the air purification function is not needed, the air purification device can be switched to the non-purification mode to reduce the air resistance of the automobile air conditioner and the energy consumption of the air conditioner; when the air quality outside the car is poor or there are toxic and harmful gases, the air purification system is switched to the purification mode. At the same time, the filter element in the air purification system has a certain service life and needs to be replaced regularly, so the air purification device needs to be convenient for replacing the filter element in structure, and the requirements for operation space and labor cost are reduced. However, there is no related patent in the existing technology. SUMMARY

[0003] The present application is directed to the deficiencies of the prior art, and proposes a switchable mode air purification device, which can realize the switching between purification mode and non-purification mode by controlling the sliding damper, and can realize the disassembly and replacement of the filter element by rotating the locking mechanism without disassembling the shell. The air purification device can replace different functional filter elements according to customer demand to realize the customization demand of customers, and can realize the addition of multiple filter elements to extend the service life of the filter element and improve the performance.

[0004] The present application is realized by the following technical scheme, the present application comprises a shell, a mode motor, a gear spline, a damper, a transmission shaft, an air outlet sealing foam, an air inlet sealing foam, a right locking mechanism, a pressing plate, a filter core, a left locking mechanism, a guide rail groove, a left buckle, a right buckle, a guide structure, a sealing structure, a transmission shaft gear, a sliding damper rack, the air outlet sealing foam is arranged on the air outlet of the shell, and the air inlet sealing foam is arranged on the air inlet of the shell; the left locking mechanism and the left buckle are arranged on the left outer wall of the shell and matched with each other, and the right locking mechanism and the right buckle are arranged on the right outer wall of the shell and matched with each other; the guide structure is arranged on the inner wall of the shell; the pressing plate is arranged at the middle part in the shell, the sealing structure is arranged on the inner wall of the shell and the pressing plate, and the filter core is arranged below the pressing plate; the guide rail groove and the damper are both arc-shaped, the guide rail groove is inlaid on the inner wall of the left and right sides of the shell, and the left and right ends of the damper are arranged in the guide rail groove of the left and right sides of the shell; the mode motor is arranged on the left outer wall of the shell, and the gear spline is connected with the output shaft of the mode motor; the transmission shaft is inlaid on the left and right outer walls of the shell, and the left end of the transmission shaft is provided with a gear and matched with the gear spline; the transmission shaft gear is arranged on the transmission shaft, the sliding damper rack is arranged on the damper, and the transmission shaft gear is matched with the sliding damper rack.

[0005] Further, in the present application, the damper is a sliding damper.

[0006] Further, in the present application, the mode motor is a stepping motor, and the edge and the bottom of the damper are provided with rubber coating.

[0007] Further, in the present application, the driving mechanism of the damper is not limited to the mechanism composed of the mode motor, the gear spline, the transmission shaft, the transmission shaft gear and the sliding damper rack.

[0008] In the present application, the air inlet of the air purification device is connected with the whole vehicle air inlet system, negative pressure is generated through the air blower of the whole vehicle air conditioning box, and then the air outside the vehicle enters the whole vehicle air conditioning box through the whole vehicle air inlet system and the air purification system. The air inlet sealing foam is sealed with the whole vehicle air inlet system; whether the air inlet passes through the filter core is controlled by the mode motor driving the gear spline and the transmission shaft driving the sliding damper. In the purification mode, the air passes through the filter core and flows out from the air outlet, and the air outlet sealing foam realizes the sealing of the air purification system and the air inlet structure of the whole vehicle air conditioning box. In the non-purification mode, the air does not pass through the filter core and directly flows out from the air outlet of the air purification device.

[0009] In the air purification device, the mode motor is a step motor, connected with the transmission shaft through gear spline; the transmission shaft gear is engaged with the sliding damper rack, and the torque of the mode motor is transmitted to the sliding damper. The sliding damper slides in the guide groove on the shell. The sliding damper edge and bottom are rubberized, and in the purification mode, the sliding damper edge and the guide groove and wall surface on the shell are sealed by the rubber, and the rubber on the bottom of the sliding damper contacts the pressing plate to play a sealing role.

[0010] When the filter core in the air purification device needs to be disassembled and replaced, the air purification device is switched to the purification mode, the left locking mechanism and the right locking mechanism are taken out from the left buckle and the right buckle on the shell respectively and rotated away from the air outlet until they cannot be rotated, at this time the top of the filter core is pulled away from the air outlet side by hand, the top of the filter core is completely exposed from the pressing plate, and then the filter core is pulled out from the air outlet; then a new filter core is inserted into the shell from the air inlet, and the guide structure on the shell can guide the bottom of the filter core to the correct position; the handles of the left locking mechanism and the right locking mechanism are rotated to the left buckle and the right buckle on the shell and clamped into the fixed position; under the pressure of the left locking mechanism and the right locking mechanism, the air outlet side frame of the filter core is pressed tightly on the sealing structure of the shell and the pressing plate.

[0011] The air purification device has the following beneficial effects: the air purification device can be used for air purification of the air inlet of the whole vehicle air conditioning box, can realize switching between the purification mode and the non-purification mode according to the needs, and selects the appropriate working mode under different use conditions, which is beneficial to controlling the energy consumption of the whole vehicle air conditioning box. At the same time, the structure of the air purification system device is convenient for replacing the filter core, and reduces the requirements for operation space and labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application;

[0013] Figure 2 It is a partial enlarged view of Figure 1

[0014] Figure 3 It is a schematic diagram of the airflow flow direction in the purification mode of the embodiment of the present application;

[0015] Figure 4 It is a schematic diagram of the airflow flow direction in the non-purification mode of the embodiment of the present application;

[0016] Figure 5 It is a schematic diagram of the internal structure of the embodiment of the present application;

[0017] Figure 6 It is a front view of the embodiment of the present application;

[0018] Figure 7 ​A top view of an embodiment of the present application;

[0019] Figure 8 A right view of an embodiment of the present application;

[0020] Wherein, 1, housing, 2, mode motor, 3, gear spline, 4, damper, 5, transmission shaft, 6, air outlet sealing foam, 7, air inlet sealing foam, 8, right locking mechanism, 9, pressing plate, 10, filter core, 11, left locking mechanism, 12, guide rail groove, 13, left buckle, 14, right buckle, 15, guide structure, 16, sealing structure, 17, transmission shaft gear, 18, sliding damper rack. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments are based on the technical scheme of the present application and provide detailed implementation and specific operation process. However, the protection scope of the present application is not limited to the following embodiments.

[0022] Examples

[0023] The present application is as shown above Figures 1 to 8 The present application includes housing 1, mode motor 2, gear spline 3, damper 4, transmission shaft 5, air outlet sealing foam 6, air inlet sealing foam 7, right locking mechanism 8, pressing plate 9, filter core 10, left locking mechanism 11, guide rail groove 12, left buckle 13, right buckle 14, guide structure 15, sealing structure 16, transmission shaft gear 17, and sliding damper rack 18. The air outlet sealing foam 6 is arranged on the air outlet of the housing 1, and the air inlet sealing foam 7 is arranged on the air inlet of the housing 1. The left locking mechanism 11 and the left buckle 13 are arranged on the left outer wall of the housing 1 and matched with each other, and the right locking mechanism 8 and the right buckle 14 are arranged on the right outer wall of the housing 1 and matched with each other. The guide structure 15 is arranged on the inner wall of the housing 1. The pressing plate 9 is arranged at the middle part of the housing 1, the sealing structure 16 is arranged on the inner wall of the housing 1 and the pressing plate 9, and the filter core 10 is arranged below the pressing plate 9. The guide rail groove 12 and the damper 4 are both arc-shaped. The guide rail groove 12 is inlaid on the inner wall of the housing 1, and the left and right ends of the damper 4 are arranged in the guide rail groove 12 on the left and right sides of the housing 1. The mode motor 2 is arranged on the left outer wall of the housing 1, and the gear spline 3 is connected with the output shaft of the mode motor 2. The transmission shaft 5 is inlaid on the left and right outer walls of the housing 1, and the left end of the transmission shaft 5 is provided with a gear which is engaged with the gear spline 3. The transmission shaft gear 17 is arranged on the transmission shaft 5, the sliding damper rack 18 is arranged on the damper 4, and the transmission shaft gear 17 is engaged with the sliding damper rack 18. The damper 4 is a sliding damper, the mode motor 2 is a stepping motor, and the edge and bottom of the damper 4 are provided with rubber coating.

[0024] In the present application, the air inlet of the air purification device is connected with the vehicle air intake system, and the negative pressure is generated by the air blower of the vehicle air conditioning box, so that the air outside the vehicle passes through the vehicle air intake system and the air purification system, and then enters the vehicle air conditioning box. The air inlet sealing foam 7 is sealed with the vehicle air intake system. Whether the air passes through the filter element 10 is controlled by the mode motor 2 driving the gear spline 3, the transmission shaft 5 driving the sliding damper 4. In the purification mode, the air passes through the filter element 10 and flows out from the air outlet, and the air purification system is sealed with the vehicle air conditioning system. In the non-purification mode, the air does not pass through the filter element 10, and directly flows out from the air outlet of the air purification device.

[0025] In the air purification device of the present application, the mode motor 2 is a stepping motor, which is connected with the transmission shaft 5 through the gear spline 3; the transmission shaft gear 17 is engaged with the sliding damper rack 18, and the torque of the mode motor is transmitted to the sliding damper 4, which slides in the guide groove 12 on the shell 1. The edge and bottom of the sliding damper 4 are rubberized, and in the purification mode, the edge of the sliding damper 4 is sealed with the guide groove and wall surface on the shell 1 through the rubber, and the rubber on the bottom of the sliding damper is in contact with the pressing plate 9, which plays a sealing role.

[0026] When the filter element 10 in the air purification device needs to be disassembled and replaced, the air purification device is switched to the purification mode, the left locking mechanism 11 and the right locking mechanism 8 are respectively taken out from the left and right buckles on the shell 1 and rotated away from the air outlet until they cannot be rotated, at this time the top of the filter element 10 is pulled away from the air outlet side with the hand, so that the top of the filter element 10 is completely exposed from the pressing plate 9, and then the filter element 10 is pulled out from the air outlet; then a new filter element is inserted into the shell 1 from the air inlet, and the guide structure 15 on the shell 1 can guide the bottom of the filter element to the correct position; the handles of the left locking mechanism 11 and the right locking mechanism 8 are rotated to the left and right buckle positions on the shell and clamped into the fixed position; under the pressure of the left locking mechanism 11 and the right locking mechanism 8, the air outlet side frame of the filter element 10 is pressed tightly on the sealing structure 16 of the shell 1 and the pressing plate 9.

[0027] The specific operation mode of the present application is described above. It should be understood that the present application is not limited to the above specific operation mode, and those skilled in the art can make various modifications or modifications within the scope of the claims, which does not affect the essential content of the present application.

Claims

1. A switchable-mode air purification device, comprising a housing (1), characterized in that, It also includes a mode motor (2), a gear spline (3), a damper (4), a drive shaft (5), an outlet sealing foam (6), an inlet sealing foam (7), a right locking mechanism (8), a pressure plate (9), a filter element (10), a left locking mechanism (11), a guide rail groove (12), a left buckle (13), a right buckle (14), a guide structure (15), a sealing structure (16), a drive shaft gear (17), and a sliding damper rack (18). The outlet sealing foam (6) is arranged on the outlet of the housing (1), and the inlet sealing foam (7) is arranged on the inlet of the housing (1). The left locking mechanism (11) and the left buckle (13) are arranged on the left outer wall of the housing (1) and they match. The right locking mechanism (8) and the right buckle (14) are arranged on the right outer wall of the housing (1) and they match. The guide structure (15) is arranged on the inner side wall of the housing (1). The pressure plate (9) is arranged on the left side wall of the housing (1). In the middle part of the housing (1), the sealing structure (16) is arranged on the inner wall surface of the housing (1) and the pressure plate (9), and the filter element (10) is arranged under the pressure plate (9); the guide rail groove (12) and the damper (4) are both arc-shaped, the guide rail groove (12) is embedded on the inner wall surface of the left and right sides of the housing (1), and the left and right ends of the damper (4) are respectively arranged in the guide rail groove (12) on the left and right sides of the housing (1); the mode motor (2) is arranged on the outer wall of the left side of the housing (1), and the gear spline (3) is connected to the output shaft of the mode motor (2); the transmission shaft (5) is embedded on the outer wall of the left and right sides of the housing (1), and the left end of the transmission shaft (5) is provided with a gear and meshes with the gear spline (3); the transmission shaft gear (17) is arranged on the transmission shaft (5), and the sliding damper rack (18) is arranged on the damper (4), and the transmission shaft gear (17) meshes with the sliding damper rack (18).

2. The switchable mode air purification device according to claim 1, characterized in that... The damper (4) is a sliding damper.

3. The switchable mode air purification device according to claim 1, characterized in that... The mode motor (2) is a stepper motor, and the edges and bottom of the damper (4) are covered with rubber.

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