Automatic opening and closing type fan cover structure of cooling fan

Abstract

The automatic opening and closing type fan cover structure of the cooling fan comprises a fan box, a rotating motor and the cooling fan, mounting plates are arranged at the front end and the rear end of the left side of the upper surface of the fan box and the front end and the rear end of the left side of the lower surface of the fan box, and the rotating motor is arranged in the middle of the left side in the fan box. A first fixing ring is arranged on the outer surface of the rotating motor, first fixing rods are arranged at the upper end and the lower end of the outer surface of the first fixing ring, the first fixing ring and the fan box are connected through two second fixing rods, and the cooling fan is arranged on the right side of the rotating motor. Compared with the prior art, the cooling fan has the advantages that the fan cover capable of being opened and closed can be formed through the arrangement of the stepping motor, the rotating blades, the fixed blades, the second fixing rods and the fixing plates, when the cooling fan stops using, foreign matter can be prevented from entering the cooling fan from the outside, and therefore the inside of the cooling fan is protected.

Description

Technical Field

[0001] The utility model belongs to the field of cooling fans, and particularly relates to an automatic opening and closing fan cover structure for a cooling fan. Background Technique

[0002] At present, the cooling fan is an important part of the cooling system. The performance of the fan directly affects the heat dissipation effect of the machine, and then affects the performance of the machine. If the fan is not selected properly, it will cause insufficient or excessive cooling of the machine, resulting in the deterioration of the machine's working environment, and then affecting the performance and service life of the machine. However, when the existing cooling fan stops working, foreign objects will enter from the outside into the inside, which will damage the internal components. Therefore, there is an urgent need for an automatic opening and closing fan cover structure for a cooling fan. Content of the Utility Model

[0003] Aiming at the deficiencies existing in the prior art, the purpose of the utility model is to provide an automatic opening and closing fan cover structure for a cooling fan, and solve the problems put forward in the above background technique.

[0004] The utility model is realized through the following technical solutions: an automatic opening and closing fan cover structure for a cooling fan, including a fan box, a rotating motor, a stepping motor, a cooling fan and a fixing plate. Installation plates are arranged at the front and rear ends on the left side of the upper surface of the fan box and at the front and rear ends on the left side of the lower surface of the fan box. A rotating motor is arranged in the middle on the left side inside the fan box. A first fixing ring is arranged on the outer surface of the rotating motor. First fixing rods are arranged at the upper and lower ends of the outer surface of the first fixing ring. The first fixing ring and the fan box are connected by two second fixing rods. The cooling fan is arranged on the right side of the rotating motor. A first rotating shaft is arranged on the right surface of the rotating motor. The first rotating shaft is connected to the cooling fan. A stepping motor is arranged in the middle on the right side inside the fan box. Second fixing rods are arranged at the upper and lower ends of the outer surface of the stepping motor. The second fixing ring and the fan box are connected by two second fixing rods. A second rotating shaft is arranged on the right surface of the stepping motor. Rotating blades are arranged at the upper and lower ends of the outer surface of the second rotating shaft. A fixing plate is arranged on the right side of the two rotating blades. Fixed blades are arranged at the front and rear ends of the outer surface of the fixing plate. The fixing plate and the fan box are connected by two fixed blades. A bearing groove is formed on the left surface of the fixing plate. A rolling bearing is arranged in the bearing groove. The right end face of the second rotating shaft is arranged in the rolling bearing.

[0005] As a preferred implementation manner, four mounting holes are respectively opened on the left surfaces of the four mounting plates.

[0006] As a preferred implementation manner, the rotating blade is a kind of rotating mechanism, and the cooling fan is a kind of rotating mechanism.

[0007] As a preferred embodiment, the sizes of the two rotating blades are the same as those of the two fixed blades, and the shapes of the two rotating blades are the same as those of the two fixed blades.

[0008] As a preferred embodiment, both the stepping motor and the rotating motor are connected to an external power supply.

[0009] As a preferred embodiment, the materials of the fan box, the mounting plate, the first fixing rod, the second fixing rod, the rotating blade, the first fixing ring, the fixing plate, the second fixing ring, and the fixed blade are all selected as aluminum alloy during actual use.

[0010] After adopting the above technical solutions, the beneficial effects of the present utility model are as follows: By providing the stepping motor, the rotating blade, the fixed blade, the second fixing rod, and the fixing plate, an opening and closing fan cover can be formed. When the cooling fan is not in use, it can prevent foreign objects from entering the interior from the outside, thereby protecting the interior. Description of the Drawings

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0012] Figure 1 It is a front view of the overall structure of an automatic opening and closing fan cover structure of a cooling fan of the present utility model.

[0013] Figure 2 It is a right surface view of an automatic opening and closing fan cover structure of a cooling fan of the present utility model.

[0014] Figure 3 It is a right surface view of the second fixing ring of an automatic opening and closing fan cover structure of a cooling fan of the present utility model.

[0015] Figure 4 It is a three-dimensional view of the rotating blade and the fixed blade of an automatic opening and closing fan cover structure of a cooling fan of the present utility model.

[0016] In the figure, 1 - fan box, 2 - mounting plate, 3 - first fixing rod, 4 - first fixing ring, 5 - rotating motor, 6 - cooling fan, 7 - second fixing rod, 8 - second fixing ring, 9 - stepping motor, 10 - rotating blade, 11 - fixed blade, 12 - fixing plate. Detailed Embodiments

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0018] Please refer to Figures 1 to 4 , the present invention provides a technical solution: an automatic opening and closing fan cover structure for a cooling fan 6, including a fan box 1, a rotating motor 5, a stepping motor 9, a cooling fan 6, and a fixing plate 12. Installation plates 2 are provided at both the front and rear ends of the left side of the upper surface of the fan box 1 and both the front and rear ends of the left side of the lower surface of the fan box 1. A rotating motor 5 is provided in the middle of the left side inside the fan box 1. A first fixing ring 4 is provided on the outer surface of the rotating motor 5. First fixing rods 3 are provided at both the upper and lower ends of the outer surface of the first fixing ring 4. The first fixing ring 4 and the fan box 1 are connected by two second fixing rods 7. The cooling fan 6 is provided on the right side of the rotating motor 5. A first rotating shaft is provided on the right surface of the rotating motor 5, and the first rotating shaft is connected to the cooling fan 6. A stepping motor 9 is provided in the middle of the right side inside the fan box 1. Second fixing rods 7 are provided at both the upper and lower ends of the outer surface of the stepping motor 9. A second fixing ring 8 and the fan box 1 are connected by two second fixing rods 7. A second rotating shaft is provided on the right surface of the stepping motor 9. Rotating blades 10 are provided at both the upper and lower ends of the outer surface of the second rotating shaft. A fixing plate 12 is provided on the right side of the two rotating blades 10. Fixing blades 11 are provided at both the front and rear ends of the outer surface of the fixing plate 12. The fixing plate 12 and the fan box 1 are connected by two fixing blades 11. A bearing groove is provided on the left surface of the fixing plate 12, and a rolling bearing is provided in the bearing groove. The right end surface of the second rotating shaft is provided in the rolling bearing.

[0019] Four mounting holes are respectively opened on the left surfaces of the four mounting plates 2.

[0020] The rotating blade 10 is a rotating mechanism, and the cooling fan 6 is a rotating mechanism. The rotating blade 10 rotates through the rotating motor 5, and the cooling fan 6 rotates through the stepping motor 9.

[0021] The sizes of the two rotating blades 10 are the same as those of the two fixing blades 11, and the shapes of the two rotating blades 10 are the same as those of the two fixing blades 11. A protective cover is formed by the two rotating blades 10 and the two fixing blades 11, which can prevent foreign objects from entering from the outside.

[0022] Both the stepping motor 9 and the rotating motor 5 are connected to an external power supply, and the external power supply is used to control the power supply of the stepping motor 9 and the rotating motor 5.

[0023] The materials of the fan box 1, the mounting plate 2, the first fixing rod 3, the second fixing rod 7, the rotating blades 10, the first fixing ring 4, the fixing plate 12, the second fixing ring 8, and the fixing blades 11 are all selected as aluminum alloy during actual use. Aluminum alloy has good heat dissipation performance.

[0024] As an embodiment of the present invention: During actual use, the rotation range of the stepper motor 9 is adjusted in advance so that the stepper motor 9 rotates 90 degrees each time. Use screws to install the fan box 1 on the upper part through the mounting holes on the four mounting plates 2. When heat dissipation is required, connect the rotating motor 5 and the stepper motor 9 to the power supply. After the stepper motor 9 is connected to the power supply, it rotates 90 degrees clockwise. The stepper motor 9 drives the two rotating blades to rotate 90 degrees clockwise, so that the two rotating blades 10 are rotated to the rear of the two fixing blades 11. After the rotating motor 5 is connected to the power supply, it drives the cooling fan 6 to rotate, thereby performing heat dissipation treatment on the interior. When the heat dissipation is over, the rotating motor 5 is disconnected from the power supply, and the stepper motor 9 is connected to the power supply again. The stepper motor 9 drives the two rotating blades 10 to rotate 90 degrees clockwise, causing the two rotating blades 10 to return to their original positions; By providing the stepper motor 9, the rotating blades 10, the fixing blades 11, the second fixing rod 7, and the fixing plate 12, an opening and closing fan cover can be formed. When the cooling fan 6 stops being used, it can prevent foreign objects from entering the interior from the outside, thereby protecting the interior.

[0025] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automatically opening and closing fan cover structure of a cooling fan, comprising a fan box (1), a rotating motor (5), a stepping motor (9), a cooling fan (6) and a fixing plate (12), characterized in that: Mounting plates (2) are provided at both the front and rear ends of the left side of the upper surface of the fan box (1) and the front and rear ends of the left side of the lower surface of the fan box (1). A rotating motor (5) is provided in the middle of the left side inside the fan box (1). A first fixing ring (4) is provided on the outer surface of the rotating motor (5). First fixing rods (3) are provided on the upper and lower ends of the outer surface of the first fixing ring (4). The first fixing ring (4) and the fan box (1) are connected via two second fixing rods (7). The cooling fan (6) is provided on the right side of the rotating motor (5). A first rotating shaft is provided on the right surface of the rotating motor (5). The first rotating shaft is connected to the cooling fan (6). A stepping motor (9) is provided in the middle of the right side inside the fan box (1). The stepping motor (9) is provided on the right side of the rotating motor (5). Second fixing rods (7) are provided at both upper and lower ends of the outer surface of the stepper motor (9); the second fixing ring (8) is connected to the fan box (1) via two second fixing rods (7); a second rotating shaft is provided on the right surface of the stepper motor (9); rotating blades (10) are provided at both upper and lower ends of the outer surface of the second rotating shaft; a fixing plate (12) is provided on the right side of the two rotating blades (10); fixing blades (11) are provided at both front and rear ends of the outer surface of the fixing plate (12); the fixing plate (12) is connected to the fan box (1) via two fixing blades (11); a bearing groove is provided on the left surface of the fixing plate (12); a rolling bearing is provided in the bearing groove; and the right end surface of the second rotating shaft is provided in the rolling bearing.

2. The automatic opening and closing fan cover structure of a cooling fan as claimed in claim 1, characterized in that: The left surfaces of the four mounting plates (2) are each provided with a mounting hole.

3. The automatic opening and closing fan cover structure of a cooling fan according to claim 1, characterized in that: The rotating blade (10) and the cooling fan (6) are both a type of rotating mechanism.

4. The automatic opening and closing fan cover structure of a cooling fan as claimed in claim 1, characterized in that: The size and shape of the two rotating blades (10) are the same as the size and shape of the two fixed blades (11).

5. The automatic opening and closing fan cover structure of a cooling fan as claimed in claim 1, characterized in that: The rotating motor (5) and the stepping motor (9) are both connected to an external power source.

6. The automatic opening and closing fan cover structure of a cooling fan according to claim 1, characterized in that: The fan box (1), the mounting plate (2), the first fixing rod (3), the second fixing rod (7), the rotating blade (10), the first fixing ring (4), the fixing plate (12), the second fixing ring (8) and the fixing blade (11) are all made of aluminum alloy.

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