Truck air conditioner HVAC fan and air purifier integrated assembly

Abstract

The utility model discloses an HVAC (heating ventilation air conditioning) fan and air purifier integrated assembly of a truck air conditioner, which relates to the field of automobile air conditioning system parts and comprises a front fan volute, a rear fan volute, a left air inlet shell and a right air inlet shell. The end, away from the rear fan volute, of the front fan volute is provided with a direct current motor with an impeller assembly and a speed regulation module assembly, and the left side and the right side of the end, away from the front fan volute, of the rear fan volute are provided with a left air inlet shell and a right air inlet shell correspondingly. According to the air purifier, the fan and the air purifier are integrally designed, an additional air purifier is not needed, the structure of the air purifier is compact and simple, the occupied space of a truck is reduced, meanwhile, the air purifier is convenient to install and maintain, the use environment is friendly, and the air purifier is suitable for popularization and application. And the device is safe and easy to popularize and use.

Description

Technical Field

[0001] The utility model relates to the field of automobile air-conditioning system components, in particular to an integrated assembly of a truck air-conditioning HVAC fan and an air purifier. Background Art

[0002] With the development of my country's automotive industry, the technology and product upgrades for complete vehicles and their components are accelerating. Similarly, automotive air conditioning systems, as key systems and components within the vehicle, are constantly evolving with the emergence of new technologies, processes, materials, and products. An automotive air conditioning system generally includes a heater, cooler, fan, recirculating air purifier, condenser, compressor, operating mechanism, connecting piping, and operation control wiring harness. The heater, cooler, fan, recirculating air purifier, recirculating air duct, and switching on and off mechanism comprise the HVAC system, the primary component of the air conditioning system within the vehicle body. By regulating and purifying the temperature and humidity of the air inside the vehicle, as well as the quality of the recirculating air, the HVAC system provides comfortable driving conditions for the driver and passengers and defrosts and defogs the windshield.

[0003] Currently, fans and air purifiers are mostly independently installed. In order to purify the air, an additional air purifier needs to be added. This not only takes up the limited space inside the truck, but also requires separate control of the fan and air purifier during use, which is complicated to operate and inconvenient to use. Therefore, a truck air conditioning HVAC fan and air purifier integrated assembly is proposed to solve the above problems. Utility Model Content

[0004] In order to solve the above technical problems, a truck air conditioning HVAC fan and air purifier integrated assembly is provided. This technical solution solves the problem raised in the above background technology that the current fan and air purifier are mostly set independently. In order to purify the air, an additional air purifier needs to be added, which not only occupies the limited space inside the truck, but also requires separate control of the fan and air purifier during use, which is more complicated to operate and inconvenient to use.

[0005] In order to achieve the above purpose, the technical solution adopted by this utility model is:

[0006] A truck air-conditioning HVAC fan and air purifier integrated assembly includes a front fan volute, a rear fan volute, a left air inlet housing, and a right air inlet housing. The front fan volute is provided with a rear fan volute at one end, and a DC motor with an impeller assembly and a speed control module assembly is provided at the end of the front fan volute away from the rear fan volute. The left air inlet housing and the right air inlet housing are respectively provided on the left and right sides of the end of the rear fan volute away from the front fan volute. A purified air filter element and an internal and external air conversion damper are provided between the left and right air inlet housings.

[0007] Preferably, one end of the front fan volute close to the rear fan volute is threadedly connected to a number of cross-slot pan head self-tapping screws, the rear fan volute is threadedly connected to the outer surfaces of the several cross-slot pan head self-tapping screws, and one end of the left air inlet shell close to the right air inlet shell is threadedly connected to five cross-slot pan head self-tapping screws, and the right air inlet shell is threadedly connected to the outer surfaces of the five cross-slot pan head self-tapping screws.

[0008] Preferably, the left air inlet housing and the right air inlet housing are both threadedly connected to one end close to the rear fan volute with two cross slot pan head self-tapping screws, and the end of the rear fan volute away from the front fan volute is threadedly connected to the outer surface of the four cross slot pan head self-tapping screws.

[0009] Preferably, one end of the DC motor with impeller assembly away from the front fan volute is threadedly connected with three cross-slot pan head tapping screws, and one end of the three cross-slot pan head tapping screws is threadedly connected to one end of the front fan volute away from the rear fan volute.

[0010] Preferably, one end of the speed control module assembly away from the front fan volute is threadedly connected to two cross-slot pan head self-tapping screws, and one end of the two cross-slot pan head self-tapping screws is threadedly connected to the end of the front fan volute away from the rear fan volute.

[0011] Preferably, the outer side of the left air inlet shell is rotatably connected to the internal and external air driving gears through a rotating shaft, the output shaft of the internal and external air conversion damper passes through the outer side of the left air inlet shell and is fixedly connected to the internal and external air passive gears, the internal and external air driving gears and the internal and external air passive gears are meshed with each other, the outer side of the left air inlet shell is threadedly connected to four cross-slot pan head self-tapping screws, the outer surfaces of the four cross-slot pan head self-tapping screws are threadedly connected to the internal and external air dust covers, one end of the rotating shaft passes through the outer sides of the internal and external air dust covers and is fixedly connected to the internal and external circulation actuators, the outer sides of the internal and external air dust covers are threadedly connected to three cross-slot pan head self-tapping screws, and the internal and external circulation actuators are threadedly connected to the outer surfaces of the three cross-slot pan head self-tapping screws.

[0012] Preferably, air inlet sealing strips are provided at the air inlets of the left air inlet housing and the right air inlet housing, and two mounting screw assemblies are provided at one end of the left air inlet housing and the right air inlet housing away from the rear fan volute.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This proposal proposes an integrated assembly of a truck air-conditioning HVAC fan and air purifier. The fan and air purifier adopt an integrated design, and there is no need for a separate air purifier. The product structure is compact and simple, which reduces the space occupied by the truck. At the same time, it is easy to install and maintain, environmentally friendly, safe, and easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view schematic diagram of the utility model;

[0016] Figure 2 It is a partial cross-sectional view of the left side of the present invention;

[0017] Figure 3 It is a left side schematic diagram of the utility model;

[0018] Figure 4 It is a main schematic diagram of the utility model;

[0019] Figure 5 It is a rear view schematic diagram of the present utility model.

[0020] The numbers in the figure are:

[0021] 1. Front fan volute; 2. Rear fan volute; 3. Left air inlet housing; 4. Right air inlet housing; 5. Internal and external air dust covers; 6. Internal and external circulation actuator; 7. Internal and external air driving gear; 8. Internal and external air passive gear; 9. DC motor with impeller assembly; 10. Speed ​​control module assembly; 11. Air purification filter element; 12. Installation screw assembly; 13. Air inlet sealing strip; 14. Internal and external air conversion damper; 15. Cross-slot pan head self-tapping screw. DETAILED DESCRIPTION

[0022] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0023] Reference Figure 1 、 Figure 4 and Figure 5 As shown, a truck air conditioning HVAC fan and air purifier integrated assembly includes a front fan volute 1, a rear fan volute 2, a left air inlet housing 3 and a right air inlet housing 4. The rear fan volute 2 is provided at one end of the front fan volute 1, and a DC motor with an impeller assembly 9 and a speed control module assembly 10 is provided at the end of the front fan volute 1 away from the rear fan volute 2. The left air inlet housing 3 and the right air inlet housing 4 are respectively provided on the left and right sides of the end of the rear fan volute 2 away from the front fan volute 1. A purified air filter element 11 and an internal and external air conversion damper 14 are provided between the left air inlet housing 3 and the right air inlet housing 4.

[0024] Furthermore, the purified air filter element 11 is made of non-woven fabric material, which can effectively filter and purify the air inhaled by the fan.

[0025] Reference Figure 1 and Figure 3As shown, one end of the front fan volute 1 close to the rear fan volute 2 is threadedly connected to a number of cross-slot pan head self-tapping screws 15, the rear fan volute 2 is threadedly connected to the outer surface of the several cross-slot pan head self-tapping screws 15, and one end of the left air inlet housing 3 close to the right air inlet housing 4 is threadedly connected to five cross-slot pan head self-tapping screws 15, and the right air inlet housing 4 is threadedly connected to the outer surface of the five cross-slot pan head self-tapping screws 15.

[0026] Furthermore, the left air inlet housing 3 and the right air inlet housing 4 are both threadedly connected to one end close to the rear fan volute 2 with two cross-slot pan head self-tapping screws 15, and the end of the rear fan volute 2 away from the front fan volute 1 is threadedly connected to the outer surface of the four cross-slot pan head self-tapping screws 15.

[0027] Reference Figure 4 As shown, one end of the DC motor with impeller assembly 9 away from the front fan volute 1 is threadedly connected with three cross-slot pan head tapping screws 15, and one end of the three cross-slot pan head tapping screws 15 is threadedly connected to the end of the front fan volute 1 away from the rear fan volute 2.

[0028] Furthermore, one end of the speed control module assembly 10 away from the front fan volute 1 is threadedly connected to two cross-slot pan head tapping screws 15, and one end of the two cross-slot pan head tapping screws 15 is threadedly connected to the end of the front fan volute 1 away from the rear fan volute 2.

[0029] Reference Figure 2 、 Figure 3 and Figure 5 As shown, the outer side of the left air inlet shell 3 is rotatably connected to the internal and external air driving gear 7 through a rotating shaft, the output shaft of the internal and external air conversion damper 14 passes through the outer side of the left air inlet shell 3 and is fixedly connected to the internal and external air passive gear 8, the internal and external air driving gear 7 and the internal and external air passive gear 8 are meshed with each other, the outer side of the left air inlet shell 3 is threadedly connected to four cross-slot pan head self-tapping screws 15, the outer surfaces of the four cross-slot pan head self-tapping screws 15 are threadedly connected to the internal and external air dust covers 5, one end of the rotating shaft passes through the outer sides of the internal and external air dust covers 5 and is fixedly connected to the internal and external circulation actuator 6, the outer sides of the internal and external air dust covers 5 are threadedly connected to three cross-slot pan head self-tapping screws 15, and the internal and external circulation actuator 6 is threadedly connected to the outer surfaces of the three cross-slot pan head self-tapping screws 15.

[0030] Furthermore, an air inlet sealing strip 13 is provided at the air inlet of the left air inlet shell 3 and the right air inlet shell 4, and two mounting screw assemblies 12 are provided at one end of the left air inlet shell 3 and the right air inlet shell 4 away from the rear fan volute 2.

[0031] Furthermore, the fan speed control module assembly 10 can steplessly adjust the rotation speed of the fan DC motor with impeller assembly 9, thereby adjusting the air volume of the fan.

[0032] Furthermore, the conversion control of the air entering the fan is performed by using the internal and external air conversion damper 14 to switch in real time through the internal and external air conversion actuator.

[0033] Furthermore, the sealing structure of the inner and outer air dampers adopts plastic rubber elastic material, which can achieve effective sealing of the dampers.

[0034] Furthermore, the fan adopts a centrifugal fan structure design and increases the cross-section of the fan's air inlet and air outlet, which can significantly reduce the resistance to air inlet and outlet.

[0035] Working principle: When in use, start the fan DC motor with impeller assembly 9 and the fan speed control module assembly 10 to adjust the fan air supply volume. The air inhaled from the air inlet is purified at any time through the purified air filter 11. The purified air is transported through the fan outlet to the air conditioner HVAC heater and refrigerator of the utility model to achieve temperature and humidity adjustment of the air in the car body and defrosting and defogging of the windshield. The internal and external circulation actuator 6 drives the internal and external air conversion damper 14 to open and close the internal and external air inlet of the fan to realize the conversion of the air inside and outside the car body into the fan.

[0036] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. A truck air conditioning HVAC blower and air purifier integrated assembly, characterized in that: The invention comprises a front fan volute (1), a rear fan volute (2), a left air inlet housing (3) and a right air inlet housing (4); one end of the front fan volute (1) is provided with the rear fan volute (2); the end of the front fan volute (1) away from the rear fan volute (2) is provided with a DC motor with an impeller assembly (9) and a speed control module assembly (10); the left air inlet housing (3) and the right air inlet housing (4) are provided on the left and right sides of the end of the rear fan volute (2) away from the front fan volute (1), respectively; and a purified air filter element (11) and an internal and external air conversion damper (14) are provided between the left air inlet housing (3) and the right air inlet housing (4).

2. The truck air conditioning HVAC blower and air purifier integrated assembly according to claim 1, characterized in that: One end of the front fan volute (1) close to the rear fan volute (2) is threadedly connected to a plurality of cross-slot pan head self-tapping screws (15), and the rear fan volute (2) is threadedly connected to the outer surfaces of the plurality of cross-slot pan head self-tapping screws (15). One end of the left air inlet housing (3) close to the right air inlet housing (4) is threadedly connected to five cross-slot pan head self-tapping screws (15), and the right air inlet housing (4) is threadedly connected to the outer surfaces of the five cross-slot pan head self-tapping screws (15).

3. The truck air conditioning HVAC blower and air purifier integrated assembly according to claim 1, characterized in that: The left air inlet housing (3) and the right air inlet housing (4) are both threadedly connected to two cross-slot pan head self-tapping screws (15) at one end close to the rear fan volute (2), and the end of the rear fan volute (2) away from the front fan volute (1) is threadedly connected to the outer surfaces of the four cross-slot pan head self-tapping screws (15).

4. The truck air conditioning HVAC blower and air purifier integrated assembly according to claim 1, characterized in that: One end of the DC motor with impeller assembly (9) away from the front fan volute (1) is threadedly connected to three cross-slot pan head self-tapping screws (15), and one end of the three cross-slot pan head self-tapping screws (15) is threadedly connected to one end of the front fan volute (1) away from the rear fan volute (2).

5. The truck air conditioning HVAC blower and air purifier integrated assembly according to claim 1, characterized in that: One end of the speed control module assembly (10) away from the front fan volute (1) is threadedly connected to two cross-slot pan head self-tapping screws (15), and one end of the two cross-slot pan head self-tapping screws (15) is threadedly connected to one end of the front fan volute (1) away from the rear fan volute (2).

6. The truck air conditioning HVAC blower and air purifier integrated assembly according to claim 1, characterized in that: The outer side of the left air inlet housing (3) is rotatably connected to the inner and outer air driving gear (7) through a rotating shaft. The output shaft of the inner and outer air conversion damper (14) passes through the outer side of the left air inlet housing (3) and is fixedly connected to the inner and outer air passive gear (8). The inner and outer air driving gear (7) and the inner and outer air passive gear (8) are meshed with each other. The outer side of the left air inlet housing (3) is threadedly connected to four cross-grooved pan head self-tapping screws (15). The outer surfaces of the four cross-grooved pan head self-tapping screws (15) are threadedly connected to the inner and outer air dust covers (5). One end of the rotating shaft passes through the outer side of the inner and outer air dust covers (5) and is fixedly connected to the inner and outer circulation actuator (6). The outer side of the inner and outer air dust covers (5) are threadedly connected to three cross-grooved pan head self-tapping screws (15). The inner and outer circulation actuator (6) is threadedly connected to the outer surfaces of the three cross-grooved pan head self-tapping screws (15).

7. The truck air conditioning HVAC blower and air purifier integrated assembly according to claim 1, characterized in that: An air inlet sealing strip (13) is provided at the air inlet of the left air inlet housing (3) and the right air inlet housing (4), and two mounting screw assemblies (12) are provided at one end of the left air inlet housing (3) and the right air inlet housing (4) away from the rear fan volute (2).

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