Cooling fan capable of adjusting wind direction

Abstract

The utility model discloses a cooling fan capable of adjusting the wind direction. The cooling fan comprises a fan body. The rotating shaft is connected with the fan main body through a connecting rod, and the rotating shaft is connected with the chassis; the top disc is connected with the bottom disc through a fixing rod, and a rack is arranged on the top disc; the first bevel gear is connected to the connecting rod, and the connecting rod is meshed with the rack through the first bevel gear. According to the cooling fan capable of adjusting the wind direction, a driving motor is controlled to work, a third bevel gear can be driven to rotate, the third bevel gear can drive a second bevel gear to rotate, and then the second bevel gear drives a rotating shaft and a connecting rod to rotate, so that a first bevel gear can rotate on a rack, and then the fan body is driven to achieve 360-degree direction cooling; and automatic adjustment can be carried out, the convenience of wind direction adjustment of the heat dissipation fan is improved, heat dissipation can be conveniently carried out on components in different directions, and the practicability of the device is enhanced.

Description

Technical Field

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

[0002] When electrical equipment such as electric control cabinets are working, the internal temperature will rise sharply. In order to ensure the normal operation of internal components, a cooling fan will be installed inside to blow air to dissipate the heat of the components, thereby achieving the effect of heat dissipation and cooling.

[0003] At present, the wind direction of cooling fans is mostly fixed. In order to dissipate the heat of components in various directions inside the cabinet, some manufacturers will use cooling fans with adjustable wind direction to dissipate the heat of internal components. However, these cooling fans with adjustable wind direction are difficult to achieve 360-degree heat dissipation and the heat dissipation effect is poor. Utility Model Content

[0004] The purpose of this utility model is to solve the shortcomings existing in the prior art, including:

[0005] Fan body;

[0006] A rotating shaft, the rotating shaft is connected to the fan body through a connecting rod, and the rotating shaft is connected to the chassis;

[0007] A top plate, the top plate is connected to the bottom plate through a fixing rod, and a rack is provided on the top plate;

[0008] a first bevel gear, wherein the first bevel gear is connected to the connecting rod, and the connecting rod is meshed with the rack through the first bevel gear;

[0009] The second bevel gear is arranged on the rotating shaft, the second bevel gear is meshed with the third bevel gear, one side of the third bevel gear is connected to the driving motor, and the driving motor is arranged on the connecting frame.

[0010] As a further description of the above technical solution: the bottom of the chassis is connected to the electric lifting rod, the bottom of the electric lifting rod is connected to the bottom plate, and the bottom plate is provided with fixing holes.

[0011] As a further description of the above technical solution: a limiting sliding rod is arranged below the rotating shaft, and a limiting sliding groove matched with the limiting sliding rod is opened on the top plate.

[0012] As a further description of the above technical solution: a positioning rod is connected to the bottom of the chassis, and a positioning cylinder matched with the positioning rod is arranged on the bottom plate.

[0013] As a further description of the above technical solution: the rotating shaft passes through the top plate and is connected to the bottom plate, and the rotating shaft is connected to the bottom plate through a bearing seat.

[0014] As a further description of the above technical solution: three fixing rods are provided, and the three fixing rods are distributed in a triangular shape outside the rotating shaft.

[0015] As a further description of the above technical solution: the positioning rod is slidably connected to the positioning cylinder, and at least two positioning rods and positioning cylinders are provided.

[0016] The above technical solution has the following advantages or beneficial effects:

[0017] The utility model can drive the third bevel gear to rotate by controlling the operation of the driving motor, and the third bevel gear will drive the second bevel gear to rotate, and the second bevel gear will drive the rotating shaft and the connecting rod to rotate, so that the first bevel gear can rotate on the rack, thereby driving the fan body to achieve 360-degree azimuth heat dissipation, and can be automatically adjusted, thereby improving the convenience of adjusting the wind direction of the cooling fan, facilitating the heat dissipation of components in different directions, and enhancing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a heat dissipation fan in one embodiment of the utility model;

[0019] Figure 2 A side view of a heat dissipation fan in one embodiment of the utility model;

[0020] Figure 3 A top view of a heat dissipation fan in one embodiment of the utility model;

[0021] Figure 4 for Figure 1 Schematic diagram of the structure of the positioning rod in the cooling fan.

[0022] Legend:

[0023] 1. Fan body; 2. Rotating shaft; 3. Connecting rod; 4. Chassis; 5. Top plate; 6. Fixed rod; 7. Rack; 8. First bevel gear; 9. Second bevel gear; 10. Third bevel gear; 11. Driving motor; 12. Connecting frame; 13. Electric lifting rod; 14. Bottom plate; 15. Fixed hole; 16. Limiting slide rod; 17. Limiting slide groove; 18. Positioning rod; 19. Positioning cylinder; 20. Bearing seat. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "set", "connected", and "connected" should be understood in a broad sense, for example, it can be 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] like Figure 1-4 As shown, the utility model is a cooling fan with adjustable wind direction, comprising: a fan body 1; a rotating shaft 2, the rotating shaft 2 is connected to the fan body 1 through a connecting rod 3, and the rotating shaft 2 is connected to a chassis 4; a top plate 5, the top plate 5 is connected to the chassis 4 through a fixing rod 6, and a rack 7 is arranged on the top plate 5; a first bevel gear 8, the first bevel gear 8 is connected to the connecting rod 3, and the connecting rod 3 is meshed with the rack 7 through the first bevel gear 8; a second bevel gear 9, the second bevel gear 9 is arranged on the rotating shaft 2, the second bevel gear 9 is meshed with a third bevel gear 10, one side of the third bevel gear 10 is connected to a driving motor 11, and the driving motor 11 is arranged on a connecting frame 12.

[0028] In this embodiment, by controlling the operation of the driving motor 11, the third bevel gear 10 can be driven to rotate, and the third bevel gear 10 will drive the second bevel gear 9 to rotate, and the second bevel gear 9 will drive the rotating shaft 2 and the connecting rod 3 to rotate, so that the first bevel gear 8 can rotate on the rack 7, thereby driving the fan body 1 to achieve 360-degree azimuth heat dissipation, and can be automatically adjusted, thereby improving the convenience of adjusting the wind direction of the cooling fan, facilitating the heat dissipation of components in different directions, and enhancing the practicality of the device.

[0029] like Figure 2As shown, specifically, the bottom of the chassis 4 is connected to the electric lifting rod 13, and the bottom of the electric lifting rod 13 is connected to the bottom plate 14, and a fixing hole 15 is opened on the bottom plate 14; by controlling the operation of the electric lifting rod 13, the chassis 4 and the fan body 1 above it can be driven to rise and fall, further expanding the heat dissipation range and enhancing the practicality of the fan.

[0030] like Figure 1 and Figure 3 As shown, specifically, a limit slide bar 16 is arranged under the rotating shaft 2, and a limit slide groove 17 matched with the limit slide bar 16 is opened on the top plate 5; the limit slide bar 16 can be limited by the limit slide groove 17, so that the limit slide bar 16 can only move in the limit slide groove 17, and then the limit slide bar 16 limits the connecting rod 3 and the fan body 1, thereby enhancing the stability of the fan body 1 during rotation.

[0031] like Figure 2 and Figure 4 As shown, specifically, a positioning rod 18 is connected to the bottom of the chassis 4, and a positioning cylinder 19 matched with the positioning rod 18 is arranged on the bottom plate 14. The positioning rod 18 is slidably connected with the positioning cylinder 19, and at least two positioning rods 18 and positioning cylinders 19 are arranged; by arranging the positioning rod 18 and the positioning cylinder 19 between the chassis 4 and the bottom plate 14, the positioning cylinder 19 can limit the positioning rod 18, so that the positioning rod 18 can only be raised and lowered in the vertical direction, so that when the electric lifting rod 13 drives the chassis 4 to rise, the chassis 4 can be limited by the positioning rod 18, so as to avoid the position displacement of the chassis 4 and enhance the stability of the structure.

[0032] like Figure 1 and Figure 2 As shown, specifically, the rotating shaft 2 passes through the top plate 5 and is connected to the bottom plate 4. The rotating shaft 2 is connected to the bottom plate 4 through the bearing seat 20. Three fixing rods 6 are provided. The three fixing rods 6 are triangularly distributed on the outside of the rotating shaft 2. The top plate 5 can be stably supported by the fixing rods 6 distributed in a triangular shape.

[0033] Working principle: The staff can drive the third bevel gear 10 to rotate by controlling the driving motor 11, and the third bevel gear 10 will drive the second bevel gear 9 to rotate, and the second bevel gear 9 will drive the rotating shaft 2 and the connecting rod 3 to rotate, so that the first bevel gear 8 can rotate on the rack 7, and then drive the fan body 1 to achieve 360-degree azimuth heat dissipation. It can be adjusted automatically, which improves the convenience of adjusting the wind direction of the cooling fan, facilitates the heat dissipation of components in different directions, and enhances the practicality of the device.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cooling fan with adjustable wind direction, characterized in that: include: Fan body (1); A rotating shaft (2), the rotating shaft (2) being connected to the fan body (1) via a connecting rod (3), and the rotating shaft (2) being connected to a chassis (4); A top plate (5), the top plate (5) being connected to the bottom plate (4) via a fixing rod (6), and a rack (7) being provided on the top plate (5); a first bevel gear (8), the first bevel gear (8) being connected to the connecting rod (3), and the connecting rod (3) being meshed with the rack (7) through the first bevel gear (8); A second bevel gear (9), wherein the second bevel gear (9) is arranged on the rotating shaft (2), the second bevel gear (9) is meshed with a third bevel gear (10), one side of the third bevel gear (10) is connected to a drive motor (11), and the drive motor (11) is arranged on a connecting frame (12).

2. The cooling fan with adjustable wind direction according to claim 1, characterized in that: The bottom of the chassis (4) is connected to an electric lifting rod (13), and the bottom of the electric lifting rod (13) is connected to a bottom plate (14), and a fixing hole (15) is provided on the bottom plate (14).

3. The cooling fan with adjustable wind direction according to claim 1, characterized in that: A limiting sliding rod (16) is arranged below the rotating shaft (2), and a limiting sliding groove (17) adapted to the limiting sliding rod (16) is provided on the top plate (5).

4. The cooling fan with adjustable wind direction according to claim 2, characterized in that: A positioning rod (18) is connected to the bottom of the chassis (4), and a positioning cylinder (19) adapted to the positioning rod (18) is arranged on the bottom plate (14).

5. The cooling fan with adjustable wind direction according to claim 1, characterized in that: The rotating shaft (2) passes through the top plate (5) and is connected to the bottom plate (4); the rotating shaft (2) is connected to the bottom plate (4) via a bearing seat (20).

6. The cooling fan with adjustable wind direction according to claim 1, characterized in that: Three fixing rods (6) are provided, and the three fixing rods (6) are distributed in a triangular shape outside the rotating shaft (2).

7. The cooling fan with adjustable wind direction according to claim 4, characterized in that: The positioning rod (18) is slidably connected to the positioning cylinder (19), and at least two positioning rods (18) and positioning cylinders (19) are provided.

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