Direction-adjustable cooling fan

Abstract

The utility model discloses a direction-adjustable cooling fan, which belongs to the technical field of cooling fans and comprises a shell and fan blades, the fan blades are rotatably connected in the shell, the bottom end of the shell is rotatably connected with a shaft lever, the circumferential surface of the shaft lever is fixedly connected with a mounting plate, a plurality of mounting holes are formed in the mounting plate, and an adjusting mechanism is arranged between the shell and the shaft lever. The adjusting mechanism is used for controlling the shaft rod to rotate, so that the mounting angle of the mounting plate is adjusted; according to the fan, the adjusting mechanism can adjust the angle between the mounting plate and the shell, so that the fan blades can be kept in the required axial heat dissipation direction no matter the mounting plate is mounted on a horizontal plane, a vertical plane or an inclined plane, the mounting position and the heat dissipation direction can be adjusted according to actual conditions, and heat can be quickly discharged outwards.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation fans, and more particularly to a heat dissipation fan with adjustable direction. Background Art

[0002] The working principle of the cooling fan is based on energy conversion, namely: electrical energy → electromagnetic energy → mechanical energy → kinetic energy. Its circuit principle is generally divided into various forms. The performance of the fan will be different depending on the circuit used. It is widely used in traditional or modern instruments and equipment such as computers, communication products, environmental protection equipment, and refrigeration equipment.

[0003] Currently, cooling fans are installed inside equipment to dissipate heat from heat sources. However, most existing cooling fans are installed according to the space inside the equipment. The axial direction after installation is fixed, and the installation position and heat dissipation direction are limited, making it difficult to quickly discharge heat. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In response to the problems existing in the prior art, the purpose of the present invention is to provide a direction-adjustable cooling fan, which aims to solve the problem that most cooling fans in the prior art are installed according to the space inside the equipment, the axial direction after installation is fixed, the installation position and heat dissipation direction are limited, and heat is difficult to be discharged quickly.

[0006] 2. Technical solution

[0007] In order to solve the above problems, the present invention adopts the following technical solutions:

[0008] A direction-adjustable cooling fan includes a housing and fan blades, wherein the fan blades are rotatably connected to the housing, the bottom end of the housing is rotatably connected to a shaft, the circumferential surface of the shaft is fixedly connected to a mounting plate, a plurality of mounting holes are provided on the mounting plate, and an adjustment mechanism is provided between the housing and the shaft, wherein the adjustment mechanism is used to control the rotation of the shaft so as to adjust the installation angle of the mounting plate.

[0009] As a preferred solution of the present invention, the adjustment mechanism includes a worm wheel and a worm, the worm wheel is fixedly connected to the circumferential surface of the shaft, the housing is rotatably connected to the worm, and the worm is meshed with the worm wheel.

[0010] As a preferred solution of the present invention, a scale is fixedly connected to one end of the shaft, and a positioning mark is provided on the housing, and the positioning mark corresponds to the scale.

[0011] As a preferred solution of the present invention, the bottom end of the housing is fixedly connected to a limiting column assembly, and the limiting column assembly corresponds to the mounting plate.

[0012] As a preferred solution of the present invention, a fixed shaft is fixedly connected in the outer shell, a rotating sleeve is fixedly connected in the fan blade, and the rotating sleeve is rotatably connected to the fixed shaft.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In this solution, the mounting plate is installed in the device so that the fan blades correspond to the heat source. The fan blades are controlled by the motor to rotate for heat dissipation. The adjustment mechanism can adjust the angle between the mounting plate and the housing so that the fan blades can maintain the required axial heat dissipation direction regardless of whether the mounting plate is installed on a horizontal plane, a vertical plane, or an inclined plane. The mounting position and heat dissipation direction can be adjusted according to actual conditions so that the heat can be discharged outward quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the main view of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the utility model;

[0018] Figure 3 It is a cross-sectional view of the utility model;

[0019] Figure 4 This is an exploded view of the present invention.

[0020] Description of the numbers in the figure:

[0021] 1. Housing; 2. Fan blades; 3. Shaft; 4. Mounting plate; 5. Mounting hole; 61. Worm gear; 62. Worm; 7. Scale; 8. Positioning mark; 9. Limit column assembly; 10. Fixed shaft; 11. Rotating sleeve. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0025] Example:

[0026] See also Figure 1-4 A direction-adjustable cooling fan includes a shell 1 and fan blades 2. The fan blades 2 are rotatably connected to the shell 1. The bottom end of the shell 1 is rotatably connected to a shaft 3. The circumferential surface of the shaft 3 is fixedly connected to a mounting plate 4. A plurality of mounting holes 5 are provided on the mounting plate 4. An adjustment mechanism is provided between the shell 1 and the shaft 3. The adjustment mechanism is used to control the rotation of the shaft 3 so that the installation angle of the mounting plate 4 can be adjusted.

[0027] In this embodiment, the shaft 3 is controlled to rotate by an adjustment mechanism, and the shaft 3 drives the mounting plate 4 to rotate, thereby adjusting the angle between the mounting plate 4 and the housing 1 so that the mounting plate 4 is maintained at a suitable installation angle. Then, the housing 1 is installed using the multiple mounting holes 5 on the mounting plate 4, and the fan blades 2 are controlled to rotate by a motor to dissipate heat from the heat source in the device.

[0028] Specifically, the adjustment mechanism includes a worm wheel 61 and a worm 62 . The worm wheel 61 is fixedly connected to the circumferential surface of the shaft 3 . The worm 62 is rotatably connected to the housing 1 , and the worm 62 is meshed with the worm wheel 61 .

[0029] In this embodiment, the worm 62 is rotated to control the rotation of the worm wheel 61 , and the worm wheel 61 drives the shaft 3 to rotate, so that the installation angle of the installation plate 4 is adjusted.

[0030] Specifically, one end of the shaft 3 is fixedly connected to a scale 7 , and a positioning mark 8 is provided on the housing 1 , and the positioning mark 8 corresponds to the scale 7 .

[0031] In this embodiment, the scale 7 rotates along with the shaft 3 and cooperates with the positioning mark 8 to determine the rotation angle of the shaft 3 and the mounting plate 4 .

[0032] Specifically, the bottom end of the housing 1 is fixedly connected to the limiting column assembly 9 , and the limiting column assembly 9 corresponds to the mounting plate 4 .

[0033] In this embodiment, the limiting column assembly 9 limits the rotation of the mounting plate 4 to prevent the mounting plate 4 from excessive rotation, so that the mounting plate 4 can be flat on the lower side of the housing 1, facilitating vertical installation of the cooling fan.

[0034] Specifically, a fixed shaft 10 is fixedly connected in the housing 1 , a rotating sleeve 11 is fixedly connected in the fan blade 2 , and the rotating sleeve 11 is rotatably connected to the fixed shaft 10 .

[0035] In this embodiment, the fan blades 2 are rotatably connected to the housing 1 via a fixed shaft 10 and a rotating sleeve 11 for heat dissipation through rotation.

[0036] Working principle: By rotating the worm 62, the worm wheel 61 is controlled to rotate, the worm wheel 61 drives the shaft 3 to rotate, and the shaft 3 drives the mounting plate 4 to rotate, thereby adjusting the angle between the mounting plate 4 and the housing 1 so that the mounting plate 4 is maintained at a suitable installation angle. Then, the housing 1 is installed using the multiple mounting holes 5 on the mounting plate 4, and the fan blades 2 are controlled to rotate by the motor to dissipate heat from the heat source in the device.

[0037] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A direction-adjustable cooling fan, comprising a housing (1) and fan blades (2), characterized in that: The fan blade (2) is rotatably connected to the housing (1); the bottom end of the housing (1) is rotatably connected to a shaft (3); the circumferential surface of the shaft (3) is fixedly connected to a mounting plate (4); a plurality of mounting holes (5) are provided on the mounting plate (4); an adjustment mechanism is provided between the housing (1) and the shaft (3); the adjustment mechanism is used to control the rotation of the shaft (3) so as to adjust the mounting angle of the mounting plate (4).

2. The direction-adjustable cooling fan according to claim 1, characterized in that: The regulating mechanism comprises a worm wheel (61) and a worm (62), wherein the worm wheel (61) is fixedly connected to the circumferential surface of the shaft (3), and the housing (1) is rotatably connected to the worm (62), and the worm (62) is meshed with the worm wheel (61).

3. The direction-adjustable cooling fan according to claim 2, characterized in that: One end of the shaft (3) is fixedly connected to a scale (7), and a positioning mark (8) is provided on the housing (1), and the positioning mark (8) corresponds to the scale (7).

4. The direction-adjustable cooling fan according to claim 3, characterized in that: The bottom end of the housing (1) is fixedly connected to a limiting column assembly (9), and the limiting column assembly (9) corresponds to the mounting plate (4).

5. The direction-adjustable cooling fan according to claim 4, characterized in that: A fixed shaft (10) is fixedly connected inside the housing (1), a rotating sleeve (11) is fixedly connected inside the fan blade (2), and the rotating sleeve (11) is rotatably connected to the fixed shaft (10).

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