Cooling fan device for automobile air conditioning system

Abstract

The utility model provides a cooling fan device for an automobile air conditioning system, which relates to the field of automobile accessories and comprises a motor, a rotating block is fixedly connected onto an output shaft of the motor, a rotating ring is sleeved on the outer side of the rotating block, and fan blades are fixedly connected onto the outer side of the rotating ring. A limiting ring is fixedly connected to the side, close to the motor, of the rotating ring, a synchronous block is fixedly connected to the side, away from the motor, of the limiting ring, and a groove matched with the limiting ring and the synchronous block is formed in the rotating ring. According to the cooling fan device for the automobile air conditioning system, when the fan blades need to be cleaned, the rotating block is screwed down by rotating the rotating block, so that the pressing block leaves the surface of the rotating ring, at the moment, the rotating ring is grasped and pulled out, the rotating ring and the fan blades can be detached, and at the moment, the fan blades can be cleaned; the rotating ring is inserted into the rotating block, and the groove is pressed in after being aligned with the synchronous block, so that the synchronous block completely enters the groove.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a cooling fan device for an automobile air conditioning system. Background Art

[0002] The automobile air conditioning system is a complex device designed to cool, heat, ventilate and purify the air in the vehicle compartment, thereby providing passengers with a comfortable riding environment, reducing travel fatigue, creating good working conditions for the driver and ensuring driving safety. The cooling fan is one of the necessary accessories of the automobile air conditioning system.

[0003] The fan will be covered with dust during operation and needs to be cleaned after long-term use. When cleaning the existing fan, it is necessary to remove the fan and the motor connected to the fan together, and then remove the fan separately for cleaning. After cleaning, the fan needs to be installed on the motor, and then the installed fan and motor are installed on the vehicle, which is inconvenient to disassemble and assemble during cleaning. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a cooling fan device for an automobile air conditioning system, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a cooling fan device for an automobile air-conditioning system, comprising a motor, a rotating block fixedly connected to the output shaft of the motor, a rotating ring sleeved on the outer side of the rotating block, a fan blade fixedly connected to the outer side of the rotating ring, a limiting ring fixedly connected to the side of the rotating block close to the motor, a synchronous block fixedly connected to the side of the limiting ring away from the motor, a groove matching the limiting ring and the synchronous block is provided on the rotating ring, and a fixing component for preventing the rotating ring from falling out is provided on the front side of the rotating block.

[0008] Preferably, the inner diameter of the rotating ring is the same as the diameter of the rotating block.

[0009] Preferably, the number of the synchronization blocks is three, and the three synchronization blocks are arranged at equal angles with the rotating block as the center.

[0010] Preferably, the fixing assembly includes a fixed block, a rotating block, a cross bar and a clamping block, the fixed block is fixedly connected to the center of the rotating block, the outer surface of the fixed block is provided with an external thread, the rotating block is provided with a screw hole matching the fixed block, the outer side of the rotating block is fixedly connected with a cross bar, and the side of the cross bar close to the rotating ring is fixedly connected with a clamping block, when the rotating block and the fixed block are fully threadedly matched, the clamping block and the rotating ring fit together, and the limiting ring fits into the groove.

[0011] Preferably, the number of the cross bars is not less than four, and the multiple cross bars are arranged at equal angles with the rotating block as the center.

[0012] Preferably, the fixing block is hollow.

[0013] (III) Beneficial effects

[0014] The utility model provides a cooling fan device for an automobile air conditioning system, which has the following beneficial effects:

[0015] 1. The cooling fan device of the automobile air-conditioning system, when it is necessary to clean the fan blades, the rotary block is screwed down by rotating the rotary block so that the pressing block leaves the surface of the rotating ring. At this time, the rotating ring is grasped and pulled outward, and the rotating ring together with the fan blades can be removed. At this time, the fan blades can be cleaned. After cleaning, the rotating ring is inserted into the rotating block, the groove is aligned with the synchronous block and pressed in, so that the synchronous block is completely entered into the groove, and then the rotary block is screwed onto the fixed block. The fan blades can be quickly and conveniently disassembled and installed without disassembling the motor, and the disassembly and installation steps are simple, which is convenient for cleaning the fan blades.

[0016] 2. The cooling fan device for the automobile air conditioning system can reduce the material used and thus reduce the weight by setting the hollow fixed block, and has a good use effect. By setting the clamping block and the cross bar, the rotating ring can be firmly limited to prevent it from coming off the rotating block during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model Figure 3 ;

[0020] Figure 4 This is a schematic diagram of the structure of the utility model Figure 4 .

[0021] In the figure: 1 fan blade, 2 rotating ring, 3 rotating block, 4 cross bar, 5 clamping block, 6 fixed block, 7 rotating block, 8 limit ring, 9 synchronous block, 10 motor, 11 groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] The utility model provides a cooling fan device for an automobile air conditioning system, such as Figure 1-4 As shown, it includes a motor 10, a rotating block 7 is fixedly connected to the output shaft of the motor 10, a rotating ring 2 is sleeved on the outer side of the rotating block 7, a fan blade 1 is fixedly connected to the outer side of the rotating ring 2, a limiting ring 8 is fixedly connected to the side of the rotating block 7 close to the motor 10, a synchronous block 9 is fixedly connected to the side of the limiting ring 8 away from the motor 10, a groove 11 matching the limiting ring 8 and the synchronous block 9 is opened on the rotating ring 2, and a fixing component for preventing the rotating ring 2 from falling out is arranged on the front side of the rotating block 7.

[0024] When it is necessary to clean the fan blades 1, the rotary block 3 is unscrewed by rotating it, so that the clamping block 5 leaves the surface of the rotating ring 2. At this time, the rotating ring 2 is grasped and pulled out, and the rotating ring 2 together with the fan blades 1 can be removed. At this time, the fan blades 1 can be cleaned. After cleaning, the rotating ring 2 is inserted into the rotating block 7, the groove 11 is aligned with the synchronous block 9 and pressed in, so that the synchronous block 9 completely enters the groove 11, and then the rotary block 3 is screwed onto the fixed block 6. The fan blades 1 can be quickly and conveniently disassembled and installed without disassembling the motor 10, and the disassembly and installation steps are simple, which is convenient for cleaning the fan blades 1.

[0025] The inner diameter of the rotating ring 2 is the same as the diameter of the rotating block 7 .

[0026] The number of the synchronous blocks 9 is three, and the three synchronous blocks 9 are arranged at equal angles with the rotating block 7 as the center.

[0027] The fixing assembly includes a fixing block 6, a rotating block 3, a cross bar 4, and a clamping block 5. The fixing block 6 is fixedly connected to the center of the rotating block 7. An external thread is provided on the outer surface of the fixing block 6. The rotating block 3 is provided with a screw hole matching the fixing block 6. The outer side of the rotating block 3 is fixedly connected to the cross bar 4. The side of the cross bar 4 close to the rotating ring 2 is fixedly connected to the clamping block 5. When the rotating block 3 is fully threadedly matched with the fixing block 6, the clamping block 5 and the rotating ring 2 are fitted together, and the limiting ring 8 is engaged with the groove 11.

[0028] The number of the cross bars 4 is not less than four, and the multiple cross bars 4 are arranged at equal angles with the rotating block 3 as the center.

[0029] The fixing block 6 is hollow.

[0030] By setting the hollow fixing block 6, the material consumption can be reduced, thereby reducing the weight and achieving good use effect. By setting the clamping block 5 and the cross bar 4, the rotating ring 2 can be firmly limited to prevent it from falling off the rotating block 7 during use.

[0031] Working principle: when it is necessary to clean the fan blade 1, the rotary block 3 is unscrewed by rotating it, so that the clamping block 5 leaves the surface of the rotating ring 2. At this time, the rotating ring 2 is grasped and pulled out, and the rotating ring 2 together with the fan blade 1 can be removed. At this time, the fan blade 1 can be cleaned. After cleaning, the rotating ring 2 is inserted into the rotating block 7, the groove 11 is aligned with the synchronous block 9 and then pressed in, so that the synchronous block 9 completely enters the groove 11, and then the rotary block 3 is screwed onto the fixed block 6. The fan blade 1 can be quickly and conveniently disassembled and installed without disassembling the motor 10, and the disassembly and installation steps are simple, which is convenient for cleaning the fan blade 1.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling fan device for an automobile air conditioning system, comprising a motor (10), characterized in that: A rotating block (7) is fixedly connected to the output shaft of the motor (10), a rotating ring (2) is sleeved on the outer side of the rotating block (7), a fan blade (1) is fixedly connected to the outer side of the rotating ring (2), a limiting ring (8) is fixedly connected to the side of the rotating block (7) close to the motor (10), a synchronous block (9) is fixedly connected to the side of the limiting ring (8) away from the motor (10), a groove (11) matching the limiting ring (8) and the synchronous block (9) is provided on the rotating ring (2), and a fixing component for preventing the rotating ring (2) from falling out is provided on the front side of the rotating block (7).

2. A cooling fan device for an automobile air conditioning system according to claim 1, characterized in that: The inner diameter of the rotating ring (2) is the same as the diameter of the rotating block (7).

3. A cooling fan device for an automobile air conditioning system according to claim 2, characterized in that: The number of the synchronous blocks (9) is three, and the three synchronous blocks (9) are arranged at equal angles with the rotating block (7) as the center.

4. A cooling fan device for an automobile air conditioning system according to claim 3, characterized in that: The fixing assembly comprises a fixing block (6), a rotating block (3), a cross bar (4), and a clamping block (5); the fixing block (6) is fixedly connected to the center of the rotating block (7); an external thread is provided on the outer surface of the fixing block (6); a screw hole matching the fixing block (6) is provided on the rotating block (3); a cross bar (4) is fixedly connected to the outer side of the rotating block (3); a clamping block (5) is fixedly connected to the side of the cross bar (4) close to the rotating ring (2); when the rotating block (3) and the fixing block (6) are fully threadedly matched, the clamping block (5) and the rotating ring (2) are fitted together, and the limiting ring (8) is engaged with the groove (11).

5. A cooling fan device for an automobile air conditioning system according to claim 4, characterized in that: The number of the cross bars (4) is not less than four, and the multiple cross bars (4) are arranged at equal angles with the rotating block (3) as the center.

6. A cooling fan device for an automobile air conditioning system according to claim 5, characterized in that: The fixing block (6) is hollow.

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