Pure electric car air conditioning fan

Abstract

The utility model belongs to the technical field of automobile air conditioning, and particularly relates to a pure electric automobile air conditioning fan, including a main body, a wind shield assembly installed in the main body, fixed plug-ins installed on the upper and lower sides of the wind shield assembly, fixing holes are provided on both sides of the wind shield assembly, and corresponding grooves are provided on the outer wall of the wind shield assembly, and a circular hole penetrating the outer wall is provided in the middle of the wind shield assembly. The utility model forms a blade rear cover by setting a plurality of regularly arranged side arms and installing an outer circular frame outside the fan blade. The formed pair of rear covers blocks objects or foreign objects that may fly out when the fan blade rotates. The noise generated by the fan is effectively reduced by installing a plurality of side arms and an outer circular frame. The rear cover can reduce the spread of noise; the flow rate of wind is accelerated when passing through a narrow space, and the installation of an outer circular frame limits the blowing direction of the fan blade to prevent the wind from blowing in all directions, thereby improving the efficiency of wind use and the heat dissipation effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile air conditioners and relates to a pure electric automobile air conditioner fan. Background Art

[0002] The air conditioning fan is one of the devices in the car air conditioning, which is also called the car air conditioning device. It is used to adjust and control the temperature, humidity, air cleanliness and air flow in the car compartment to the best state, provide a comfortable riding environment for passengers, reduce travel fatigue, create good working conditions for drivers, and play an important role in ensuring safe driving. It generally includes a refrigeration device, a heating device and a ventilation device. This combined device makes full use of the limited space inside the car, has a simple structure and is easy to operate. It is an internationally popular modern car air conditioning system.

[0003] Existing air-conditioning fans generally do not have a rear cover, which may cause flying objects or foreign objects when the fan rotates at high speed. At the same time, the fan will generate a lot of noise when rotating, causing noise in the car and affecting the driving experience. The wind blown out by the fan blades without a wind cover is directionless, resulting in very low wind utilization efficiency and affecting the heat dissipation effect. Utility Model Content

[0004] The purpose of the utility model is to provide a pure electric automobile air-conditioning fan in view of the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A pure electric automobile air conditioning fan comprises a main body, a wind shield assembly is installed in the main body, fixing plug-ins are installed on the upper and lower sides of the wind shield assembly, fixing holes are opened on both sides of the wind shield assembly, and corresponding grooves are opened on the outer wall of the wind shield assembly, a circular hole penetrating the outer wall is opened in the middle of the wind shield assembly, a buckle is arranged on the upper right side of the circular hole, a connecting assembly is arranged at the circular hole, a plurality of bent side arms are arranged on the outer side of the connecting assembly, a wire management arm is arranged next to the side arm, a through slot is opened in the wire management arm, and a through slot is arranged in the through slot A limit block is provided, a plurality of nut holes are installed at the edge of the connecting component, a motor assembly is installed on the inner side of the circular hole, a rotating shaft hole is provided on one side of the motor assembly, a connecting plate is installed on the outer wall of the motor assembly, an M6 hexagonal flange nut penetrates the connecting plate, a cable is connected to the upper right corner of the motor assembly, and a fan blade assembly is installed on the outside of the motor assembly, a center frame is provided in the middle of the fan blade assembly, fan blades are installed on the outer wall of the center frame, an M5 hexagonal flange nut is meshed and installed on the outer side of the center frame, and an outer circular frame is installed on the outer side of the fan blade.

[0007] In the above-mentioned pure electric automobile air-conditioning fan, the fixing plug-in is obliquely symmetrically installed at the upper and lower ends of the wind shield assembly, and a rectangular hole recessed inward is opened in the fixing plug-in, and a U-shaped groove is arranged beside the rectangular hole.

[0008] In the above-mentioned pure electric automobile air-conditioning fan, two fixing holes are arranged on each side of the wind shield assembly, and the buckle is made of elastic material.

[0009] In the above-mentioned pure electric automobile air-conditioning fan, one end of the side arm is fixedly connected to the connecting assembly, and the other end of the side arm is fixedly connected to the circular hole.

[0010] In the above-mentioned pure electric automobile air-conditioning fan, the side arm and the cable management arm have the same specifications, the limit blocks are staggeredly installed on the inner wall of the through slot, and the nut hole is engaged with the M6 ​​hexagonal flange nut.

[0011] In the above-mentioned pure electric automobile air-conditioning fan, a rotating shaft passes through the rotating shaft hole, and the position and number of the connecting plates correspond to the nut holes.

[0012] In the above-mentioned pure electric automobile air-conditioning fan, the connection plate is provided with a threaded hole engaged with the M6 ​​hexagonal flange nut at the point where the nut passes through, and the motor assembly is electrically connected to an external power supply via a cable.

[0013] In the above-mentioned pure electric automobile air-conditioning fan, the cable is built into the through groove, and the other end of the cable is inserted into the buckle.

[0014] In the above-mentioned pure electric automobile air-conditioning fan, the size of the fan blade assembly is smaller than the circular hole, the fan blade assembly is connected to the motor assembly through an M5 hexagonal flange nut, one end of the fan blade is connected to the center frame, and the other end of the fan blade is connected to the outer circular frame.

[0015] In the above-mentioned pure electric automobile air-conditioning fan, the height of the outer circular frame is the same as the circular hole, the fan blades are installed at an angle, the size of the central frame is larger than the motor assembly, and the motor assembly is connected to the connecting component through an M6 hexagonal flange nut.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] The utility model forms a blade rear cover by arranging a plurality of regularly arranged side arms and installing an outer circular frame on the outside of the fan blade. The formed rear covers block objects or foreign objects that may fly out when the fan blade rotates. The installation of a plurality of side arms and the outer circular frame effectively reduces the noise generated by the fan, and the rear cover can reduce the spread of noise. When the wind passes through a narrow space, the flow speed is accelerated, and the installation of the outer circular frame limits the blowing direction of the fan blade to prevent the wind from blowing in all directions, thereby improving the use efficiency of the wind and enhancing the heat dissipation effect.

[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the motor assembly in the utility model.

[0021] Figure 3 It is an explosion schematic diagram of the utility model.

[0022] Figure 4 It is a structural schematic diagram of the back side of the utility model.

[0023] Figure 5 yes Figure 3 A magnified schematic diagram of center A.

[0024] In the figure: 1. main body; 2. wind shield assembly; 21. fixing plug-in; 22. fixing hole; 23. groove; 24. round hole; 25. buckle; 3. connecting assembly; 31. side arm; 32. cable management arm; 321. through slot; 322. limit block; 33. nut hole; 4. motor assembly; 41. rotating shaft hole; 42. connecting plate; 43. M6 hexagonal flange nut; 44. cable; 5. fan blade assembly; 51. center frame; 52. fan blade; 53. M5 hexagonal flange nut; 54. outer circular frame. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-5As shown, a pure electric automobile air conditioning fan comprises a main body 1, a wind shield assembly 2 is installed in the main body 1, a fixing plug-in 21 is installed on the upper and lower sides of the wind shield assembly 2, fixing holes 22 are provided on both sides of the wind shield assembly 2, and corresponding grooves 23 are provided on the outer wall of the wind shield assembly 2, a circular hole 24 penetrating the outer wall is provided in the middle of the wind shield assembly 2, a buckle 25 is provided at the upper right side of the circular hole 24, a connecting assembly 3 is provided at the circular hole 24, a plurality of bent side arms 31 are provided on the outer side of the connecting assembly 3, a wire management arm 32 is provided next to the side arm 31, a through slot 321 is provided in the wire management arm 32, and a through slot 321 is provided in the through slot 321 A limit block 322 is provided, and a plurality of nut holes 33 are installed at the edge of the connecting component 3. A motor assembly 4 is installed on the inner side of the circular hole 24, and a rotating shaft hole 41 is provided on one side of the motor assembly 4. A connecting plate 42 is installed on the outer wall of the motor assembly 4, and an M6 hexagonal flange nut 43 penetrates the connecting plate 42. A cable 44 is connected to the upper right corner of the motor assembly 4. At the same time, a fan blade assembly 5 is installed on the outside of the motor assembly 4, and a center frame 51 is provided in the middle of the fan blade assembly 5. Fan blades 52 are installed on the outer wall of the center frame 51. M5 hexagonal flange nuts 53 are meshingly installed on the outer side of the center frame 51, and an outer circular frame 54 is installed on the outer side of the fan blade 52.

[0027] In this embodiment, the M6 ​​hexagonal flange nut 43 and the M5 hexagonal flange nut 53 are used to distinguish different hexagonal flange nuts. The letters M6 and M5 are codes and do not specifically refer to a certain model.

[0028] Combination Figure 1 , Figure 3 As shown, the fixing plug-in 21 is obliquely symmetrically installed at the upper and lower ends of the wind shield assembly 2, and a rectangular hole recessed inward is opened in the fixing plug-in 21, and a U-shaped groove is arranged beside the rectangular hole.

[0029] Furthermore, the wind shield assembly 2 is guided by the fixing plug-in 21 and is initially fixed at a corresponding position of the automobile air conditioner.

[0030] Combination Figure 1 , Figure 3 As shown, two fixing holes 22 are provided on each side of the wind shield assembly 2, and the buckle 25 is made of elastic material.

[0031] Furthermore, a corresponding socket is provided at the other end of the cable 44 . The buckle 25 is made of an elastic material, and its size is smaller than the socket at the other end of the cable 44 , so that the socket can be fixed in the buckle 25 .

[0032] Combination Figure 1 , Figure 3As shown, one end of the side arm 31 is fixedly connected to the connecting assembly 3 , and the other end of the side arm 31 is fixedly connected to the circular hole 24 .

[0033] Furthermore, the connecting component 3 includes five side arms 31 and a cable management arm 32. The middle of the connecting component 3 is a hexagonal block. The side arms 31 and the cable management arm 32 are connected to the hexagonal block here to form a cover-like device fixedly installed on one side of the circular hole 24.

[0034] Combination Figure 1 , Figure 3 As shown, the side arm 31 and the cable management arm 32 have the same specifications, the limit blocks 322 are staggeredly installed on the inner wall of the through slot 321, and the nut hole 33 is engaged with the M6 ​​hexagonal flange nut 43.

[0035] Furthermore, the side arm 31 and the cable management arm 32 have the same specifications. The cable management arm 32 only has a through slot 321 inside for accommodating the cable 44 to pass through, and the through slot 321 is provided with staggered limit blocks 322 to fix the cable 44 in the through slot 321.

[0036] Combination Figure 1 , Figure 3 As shown, a rotating shaft passes through the rotating shaft hole 41 , and the position and number of the connecting plates 42 correspond to the nut holes 33 .

[0037] Furthermore, the motor is installed inside the motor assembly 4, the rotating shaft of the motor passes through the rotating shaft hole 41, and the motor drives the fan blade assembly 5 to rotate through the rotating shaft.

[0038] Combination Figure 1 , Figure 3 As shown, the connecting plate 42 is provided with a threaded hole meshing with the M6 ​​hexagonal flange nut 43 at the penetration point thereof, and the motor assembly 4 is electrically connected to the external power supply via a cable 44. The cable 44 is built into the penetration groove 321, and the other end of the cable 44 is inserted into the buckle 25.

[0039] Furthermore, the motor assembly 4 is installed on the connecting component 3 by aligning the connecting plate 42 on the motor assembly 4 and the nut hole 33 on the connecting component 3, and then inserting the M6 ​​hexagonal flange nut 43 into the nut hole 33 and tightening it.

[0040] Combination Figure 1 , Figure 3As shown, the size of the fan blade assembly 5 is smaller than the circular hole 24, the fan blade assembly 5 is connected to the motor assembly 4 through the M5 hexagonal flange nut 53, one end of the fan blade 52 is connected to the center frame 51, and the other end of the fan blade 52 is connected to the outer circular frame 54. The height of the outer circular frame 54 is the same as that of the circular hole 24, the fan blades 52 are installed obliquely, the size of the center frame 51 is larger than the motor assembly 4, and the motor assembly 4 is connected to the connecting assembly 3 through the M6 ​​hexagonal flange nut 43.

[0041] Furthermore, when the fan blade assembly 5 and the motor assembly 4 are installed, the motor assembly 4 is aligned with the center frame 51, and the center frame 51 and the rotating shaft of the motor are fixedly connected using the M5 hexagonal flange nut 53. When the motor works, the fan blade assembly 5 is driven to rotate as a whole through the rotating shaft, and the cable 44 is electrically connected to the external power supply to provide power.

[0042] The working principle of the utility model is:

[0043] When assembling the main body 1, the end of the motor assembly 4 without the rotating shaft hole 41 is directed toward the wind shield assembly 2, and the motor assembly 4 is placed at the center of the connecting assembly 3. During this period, the connecting plate 42 on the motor assembly 4 needs to be aligned with the corresponding nut hole 33 on the connecting assembly 3, and then the M6 ​​hexagonal flange nut 43 is used to engage and insert into each nut hole 33, and the M6 ​​hexagonal flange nut 43 is tightened to install the motor assembly 4 on the wind shield assembly 2, and then the cable 44 is first pressed on the inner side of the limit block 322 in an interlaced manner, so that the cable 44 is inserted into the through groove 321, and the socket at the other end of the cable 44 is embedded in the buckle 25.

[0044] Install the fan blade assembly 5, align the center frame 51 in the fan blade assembly 5 with the motor assembly 4, and when the rotating shaft of the motor just contacts the fan blade assembly 5, fix it with the M5 hexagonal flange nut 53. The installation method here is similar to the method of installing the fan blade 52 of a daily electric fan. At this time, the fan blade assembly 5 is located in the circular hole 24 as a whole, and the outer circular frame 54 and the circular hole 24 do not contact and there is a certain distance between the two, so as to avoid friction between the outer circular frame 54 and the circular hole 24 when the fan blade assembly 5 rotates, which affects the normal operation of the fan blade 52.

[0045] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0046] Although this article uses more terms such as 1. main body; 2. wind shield assembly; 21. fixed plug-in; 22. fixed hole; 23. groove; 24. round hole; 25. buckle; 3. connecting assembly; 31. side arm; 32. cable management arm; 321. through slot; 322. limit block; 33. nut hole; 4. motor assembly; 41. rotating shaft hole; 42. connecting plate; 43. M6 hexagonal flange nut; 44. cable; 5. fan blade assembly; 51. center frame; 52. fan blade; 53. M5 hexagonal flange nut; 54. outer circular frame, it does not exclude the possibility of using other terms. The use of these terms is only for the purpose of more conveniently describing and explaining the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. A pure electric automobile air conditioning fan, comprising a main body (1), characterized in that: The main body (1) is provided with a wind shield assembly (2), the upper and lower sides of the wind shield assembly (2) are provided with fixing plug-ins (21), the two sides of the wind shield assembly (2) are provided with fixing holes (22), and the outer wall of the wind shield assembly (2) is provided with corresponding grooves (23), the middle of the wind shield assembly (2) is provided with a circular hole (24) penetrating the outer wall, a buckle (25) is provided at the upper right of the circular hole (24), a connecting assembly (3) is provided at the circular hole (24), a plurality of bent side arms (31) are provided on the outer side of the connecting assembly (3), a wire management arm (32) is provided next to the side arm (31), a through groove (321) is provided in the wire management arm (32), and a limit block (322) is provided in the through groove (321), A plurality of nut holes (33) are installed at the edge of the connecting component (3), a motor assembly (4) is installed inside the circular hole (24), a rotating shaft hole (41) is provided on one side of the motor assembly (4), a connecting plate (42) is installed on the outer wall of the motor assembly (4), an M6 hexagonal flange nut (43) penetrates through the connecting plate (42), a cable (44) is connected to the upper right corner of the motor assembly (4), and a fan blade component (5) is installed outside the motor assembly (4), a center frame (51) is provided in the middle of the fan blade component (5), a fan blade (52) is installed on the outer wall of the center frame (51), an M5 hexagonal flange nut (53) is meshedly installed on the outer side of the center frame (51), and an outer circular frame (54) is installed on the outer side of the fan blade (52).

2. The pure electric automobile air conditioning fan according to claim 1, characterized in that: The fixing plug-in (21) is obliquely symmetrically mounted at the upper and lower ends of the wind shield assembly (2), and a rectangular hole recessed inward is provided in the fixing plug-in (21), and a U-shaped groove is provided beside the rectangular hole.

3. The pure electric automobile air conditioning fan according to claim 2, characterized in that: Two fixing holes (22) are arranged on each side of the wind shield assembly (2), and the buckle (25) is made of elastic material.

4. The pure electric automobile air conditioning fan according to claim 3, characterized in that: One end of the side arm (31) is fixedly connected to the connecting assembly (3), and the other end of the side arm (31) is fixedly connected to the circular hole (24).

5. The pure electric automobile air conditioning fan according to claim 4, characterized in that: The side arm (31) and the cable management arm (32) have the same specifications, the limit blocks (322) are staggeredly installed on the inner wall of the through slot (321), and the nut hole (33) is meshed with the M6 ​​hexagonal flange nut (43).

6. The pure electric automobile air conditioning fan according to claim 5, characterized in that: A rotating shaft passes through the rotating shaft hole (41), and the position and number of the connecting plates (42) correspond to the nut holes (33).

7. The pure electric automobile air conditioning fan according to claim 6, characterized in that: The connection plate (42) is provided with a threaded hole meshing with the M6 ​​hexagonal flange nut (43) at a position where the nut passes through the M6 ​​hexagonal flange nut (43), and the motor assembly (4) is electrically connected to an external power source via a cable (44).

8. The pure electric automobile air conditioning fan according to claim 7, characterized in that: The cable (44) is built into the through slot (321), and the other end of the cable (44) is inserted into the buckle (25).

9. The pure electric automobile air conditioning fan according to claim 8, characterized in that: The size of the fan blade assembly (5) is smaller than the circular hole (24); the fan blade assembly (5) is connected to the motor assembly (4) via an M5 hexagonal flange nut (53); one end of the fan blade (52) is connected to the center frame (51), and the other end of the fan blade (52) is connected to the outer circular frame (54).

10. The pure electric automobile air conditioning fan according to claim 9, characterized in that: The height of the outer circular frame (54) is the same as that of the circular hole (24), the fan blades (52) are installed at an angle, the size of the central frame (51) is larger than the motor assembly (4), and the motor assembly (4) is connected to the connecting component (3) via an M6 hexagonal flange nut (43).

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