Cooling fan convenient to adjust

Abstract

The utility model belongs to the technical field of cooling equipment, and particularly relates to a cooling fan convenient to adjust, which comprises a fan outer frame, a fan inner frame, a driving device and fan blades, a plurality of adjusting plates are arranged on the inner side face of the fan outer frame at intervals, and a plurality of positioning protrusions are arranged on the outer side face of the fan inner frame. The fan inner frame is provided with a plurality of positioning protrusions, the positioning protrusions are connected with the adjusting plates in a clamped mode, a mounting support is arranged in the fan inner frame, the driving device is fixedly mounted on the mounting support, the fan blades are fixedly mounted at the rotating end of the driving device, and through the structure, the cooling fan can be flexibly adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat dissipation equipment, and in particular relates to an adjustable heat dissipation fan. Background Art

[0002] With the rapid development of electronic technology, the speed of heat-generating electronic components such as central processing units is getting faster and faster, and the heat generated during their operation is also increasing accordingly. In order to dissipate the heat to ensure the normal operation of the electronic components, the industry uses fans to dissipate the heat of the electronic components. Traditional fans generally include a stator, a rotor and a fan frame that accommodates the stator and the rotor. The rotor usually includes a hub and a number of fan blades that are evenly arranged around the hub and radiate outward. In the prior art, the assembly of the fan is mostly completed by fixing the fan and the device with screws. However, the heat dissipation fan in the prior art cannot be adjusted in tilt angle or other aspects through simple operations after assembly, resulting in a technical problem of constant adjustment. Utility Model Content

[0003] The utility model aims to provide an easily adjustable heat dissipation fan, aiming to solve the technical problem that the heat dissipation fan in the prior art is inconvenient to adjust.

[0004] To achieve the above-mentioned purpose, an embodiment of the utility model provides an adjustable heat dissipation fan, including a fan outer frame, a fan inner frame, a driving device and fan blades, a plurality of adjustment plates are arranged at intervals on the inner side surface of the fan outer frame, a plurality of positioning protrusions are arranged on the outer side surface of the fan inner frame, each of the positioning protrusions is respectively engaged with each of the adjustment plates, a mounting bracket is arranged in the fan inner frame, the driving device is fixedly mounted on the mounting bracket, and the fan blades are fixedly mounted on the rotating end of the driving device.

[0005] Preferably, four adjustment plates are provided, and the four adjustment plates are respectively located at four corner positions on the inner side of the fan outer frame.

[0006] Preferably, the adjustment plate includes a first limit plate and a second limit plate, the first limit plate and the second limit plate are respectively arranged on two adjacent inner side surfaces of the fan outer frame, and the limit ends of the first limit plate and the second limit plate extend toward each other, and the positioning protrusion is clamped between the two limit ends of the first limit plate and the second limit plate.

[0007] Preferably, the limiting ends of the first limiting plate and the second limiting plate are both provided with wavy curved surfaces, and the two oppositely arranged wavy curved surfaces are mirror-imaged.

[0008] Preferably, the first limiting plate and the second limiting plate are arranged closely against the outer side surface of the fan inner frame.

[0009] Preferably, a first wire clip and a second wire clip are provided on the fan outer frame, and the first wire clip and the second wire clip are respectively arranged in alignment with two of the support rods of the mounting bracket.

[0010] Preferably, a first wire outlet hole and a second wire outlet hole are provided on the fan outer frame, the first wire outlet hole and the second wire outlet hole are both located on the side surface of the fan outer frame, and the first wire outlet hole and the second wire outlet hole are respectively arranged adjacent to the first wire clip and the second wire clip.

[0011] Preferably, four fixing members are provided on the fan outer frame, and each of the fixing members is located at four corner positions of the inner side surface of the fan outer frame.

[0012] The above one or more technical solutions of the adjustable cooling fan provided by the embodiment of the utility model have at least one of the following technical effects:

[0013] The adjustable heat dissipation fan in the utility model is assembled from a fan outer frame, a fan inner frame, a driving device and fan blades, wherein the fan outer frame is rectangular, the fan inner frame is circular, the fan outer frame and the fan inner frame are integrally injection molded, and during production, a plurality of adjustment plates are arranged on the fan outer frame, and a plurality of positioning protrusions are correspondingly arranged on the outer side wall of the fan inner frame, and the position of the fan inner frame relative to the fan outer frame is fixedly assembled by the clamping connection between the positioning protrusions and the adjustment plates, and the horizontal height difference between the fan inner frame and the fan outer frame and the plane inclination angle between the fan inner frame and the fan outer frame are changed by changing the clamping position between each positioning protrusion and the adjustment plate, and each adjustment plate is attached to the inner side surface of the fan inner frame. During assembly, the driving device is first fixedly installed on the mounting bracket set in the air avoidance hole of the fan inner frame, and then the fan blades are fixedly installed on the rotating end of the driving device, and then the fan outer frame is fixedly installed on the surface of the object that needs to be dissipated, and then the fan inner frame is fixedly installed on the fan outer frame through the clamping between the positioning protrusion and the adjustment plate to complete the assembly. Finally, the relative position between the fan inner frame and the fan outer frame is adjusted according to needs, and the height and inclination angle of the fan inner frame are adjusted. The height change of the fan inner frame can change the interval between the fan and the heat dissipation object, and then the noise reduction function can be achieved. Through the above-mentioned structural setting, the heat dissipation fan adjustment step in the present application is simple and easy to operate, and there is no need to frequently disassemble and install. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 This is a rendering of the adjustable cooling fan provided in an embodiment of the utility model.

[0016] Figure 2 for Figure 1 A partial enlarged view of middle A.

[0017] Figure 3 This is a rendering of the fan inner frame of the adjustable heat dissipation fan provided in an embodiment of the utility model.

[0018] Figure 4 This is a rendering of the fan frame of the adjustable heat dissipation fan provided in an embodiment of the utility model.

[0019] Figure 5 A top view of a fan frame of an adjustable heat dissipation fan provided in an embodiment of the utility model.

[0020] Figure 6 A schematic diagram of the assembly of an adjustable cooling fan provided in an embodiment of the utility model.

[0021] Among them, the reference numerals in the figure are:

[0022] 10—Fan frame 11—Adjustment plate 12—First clamping buckle

[0023] 13—Second cable buckle 14—First cable outlet hole 15—Second cable outlet hole

[0024] 16—fixing piece 20—inner frame of fan 21—positioning protrusion

[0025] 22—mounting bracket 30—driving device 40—fan blade

[0026] 111—first limiting plate 112—second limiting plate. DETAILED DESCRIPTION

[0027] The following describes the embodiments of the present invention in detail. Figures 1 to 6 , wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the utility model, and should not be construed as limiting the utility model.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying 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.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0030] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0031] In one embodiment of the present invention, Figures 1 to 6 As shown, a heat dissipation fan that can be adjusted is provided, including a fan outer frame 10, a fan inner frame 20, a driving device 30 and a fan blade 40. The fan outer frame 10 is used to be fixedly installed on the equipment, and its position is always fixed and does not need to be disassembled. The heat dissipation fan in the present application is adjusted by adjusting the fan inner frame 20 that is mounted on the fan outer frame 10. A plurality of adjustment plates 11 are arranged at intervals on the inner side surface of the fan outer frame 10, and a plurality of positioning protrusions 21 are arranged on the outer side surface of the fan inner frame 20. Each positioning protrusion 21 is respectively engaged with each adjustment plate 11. The engagement between the adjustment plate 11 and the positioning protrusion 21 realizes the fixed assembly between the fan outer frame 10 and the fan inner frame 20. A mounting bracket 22 is arranged in the fan inner frame 20, the driving device 30 is fixedly installed on the mounting bracket 22, and the fan blade 40 is fixedly installed at the rotating end of the driving device 30. The misalignment value and the inclination angle of the fan inner frame 20 relative to the fan outer frame 10 are changed by adjusting the engagement state between the plurality of adjustment plates 11 and the positioning protrusion 21.

[0032] The adjustable heat dissipation fan in the utility model is assembled by a fan outer frame 10, a fan inner frame 20, a driving device 30 and a fan blade 40, wherein the fan outer frame 10 is arranged in a rectangular shape, and the fan inner frame 20 is arranged in a circular shape. The fan outer frame 10 and the fan inner frame 20 are both integrally injection molded. During production, a plurality of adjustment plates 11 are arranged on the fan outer frame 10, and a plurality of positioning protrusions 21 are correspondingly arranged on the outer side wall of the fan inner frame 20. The position of the fan inner frame 20 relative to the fan outer frame 10 is fixedly assembled by the clamping connection between the positioning protrusions 21 and the adjustment plates 11. The horizontal height difference between the fan inner frame 20 and the fan outer frame 10 and the plane inclination angle between the fan inner frame 20 and the fan outer frame 10 are changed by changing the clamping position between each positioning protrusion 21 and the adjustment plate 11, and each adjustment plate 11 is fitted on the fan On the inner side of the fan inner frame 20, during assembly, the driving device 30 is first fixedly installed on the mounting bracket 22 set in the air avoidance hole of the fan inner frame 20, and then the fan blades 40 are fixedly installed on the rotating end of the driving device 30, and then the fan outer frame 10 is fixedly installed on the surface of the object that needs to be dissipated, and then the fan inner frame 20 is fixedly installed on the fan outer frame 10 through the snap connection between the positioning protrusion 21 and the adjustment plate 11 to complete the assembly, and finally the relative position between the fan inner frame 20 and the fan outer frame 10 is adjusted according to needs, and the height and inclination angle of the fan inner frame 20 are adjusted. The height change of the fan inner frame 20 can change the interval change between the fan and the heat dissipation object, and then the noise reduction function can be achieved. Through the above-mentioned structural setting, the heat dissipation fan adjustment step in the present application is simple and easy to operate, and there is no need for frequent disassembly and installation.

[0033] In another embodiment of the present invention, Figures 1-2 and Figures 4-5 As shown, four adjustment plates 11 are provided, and the four adjustment plates 11 are respectively located at four corner positions on the inner side of the fan outer frame 10 , which can effectively reduce the frame size of the fan outer frame 10 .

[0034] In another embodiment of the present invention, Figures 1-2 and Figures 4-5 As shown, the adjustment plate 11 includes a first limit plate 111 and a second limit plate 112, and the first limit plate 111 and the second limit plate 112 are respectively arranged on two adjacent inner sides of the fan outer frame 10, and the limit ends of the first limit plate 111 and the second limit plate 112 are extended toward each other, and the positioning protrusion 21 is clamped between the two limit ends of the first limit plate 111 and the second limit plate 112. The fixed assembly between the fan outer frame 10 and the fan inner frame 20 is realized by the clamping between the two limit ends arranged in a corresponding manner and the positioning protrusion 21.

[0035] In another embodiment of the present invention, Figures 1-2 and Figures 4-5As shown, the limiting ends of the first limiting plate 111 and the second limiting plate 112 are both provided with wavy surfaces, and the two oppositely arranged wavy surfaces are mirror-imaged, and the gear adjustment of the positioning protrusion 21 is achieved by setting the number of concave and convex sections of the wavy surfaces.

[0036] In another embodiment of the present invention, Figures 1-2 and Figures 4-5 As shown, the first limiting plate 111 and the second limiting plate 112 are arranged closely to the outer side surface of the fan inner frame 20 , and the close arrangement of the first limiting plate 111 and the second limiting plate 112 achieves the structural compactness between the fan inner frame 20 and the fan outer frame 10 .

[0037] In another embodiment of the present invention, Figure 5 As shown, the fan outer frame 10 is provided with a first wire clamp 12 and a second wire clamp 13, which are respectively aligned with two support rods of the mounting bracket 22 to fix the input wire and the output wire of the fan.

[0038] In another embodiment of the present invention, Figure 1 and Figure 4 As shown, the fan frame 10 is provided with a first wire outlet hole 14 and a second wire outlet hole 15, both of which are located on the side of the fan frame 10, and the first wire outlet hole 14 and the second wire outlet hole 15 are respectively arranged adjacent to the first wire clip 12 and the second wire clip 13, and the first wire outlet hole 14 and the second wire outlet hole 15 realize the introduction and extraction of the input wire and the output wire.

[0039] In another embodiment of the present invention, Figures 1-2 and Figures 4 to 6 As shown, four fixing members 16 are provided on the fan frame 10 , and each fixing member 16 is respectively located at four corner positions of the inner side surface of the fan frame 10 , and the fan frame 10 is fixedly installed on the equipment through the fixing members 16 .

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A conveniently adjustable cooling fan, characterized in that: It includes a fan outer frame, a fan inner frame, a driving device and fan blades. A plurality of adjustment plates are arranged at intervals on the inner side surface of the fan outer frame, a plurality of positioning protrusions are arranged on the outer side surface of the fan inner frame, each of the positioning protrusions is respectively engaged with each of the adjustment plates, a mounting bracket is arranged in the fan inner frame, the driving device is fixedly mounted on the mounting bracket, and the fan blades are fixedly mounted on the rotating end of the driving device.

2. The adjustable cooling fan according to claim 1, characterized in that: There are four adjustment plates, and the four adjustment plates are respectively located at four corner positions on the inner side of the fan outer frame.

3. The adjustable cooling fan according to claim 1, characterized in that: The adjustment plate includes a first limit plate and a second limit plate, the first limit plate and the second limit plate are respectively arranged on two adjacent inner side surfaces of the fan outer frame, and the limit ends of the first limit plate and the second limit plate extend toward each other, and the positioning protrusion is clamped between the two limit ends of the first limit plate and the second limit plate.

4. The adjustable cooling fan according to claim 3, characterized in that: The limiting ends of the first limiting plate and the second limiting plate are both provided with wavy curved surfaces, and the two oppositely arranged wavy curved surfaces are mirror-imaged.

5. The adjustable cooling fan according to claim 3, characterized in that: The first limiting plate and the second limiting plate are arranged closely against the outer side surface of the fan inner frame.

6. The adjustable cooling fan according to claim 1, characterized in that: The fan outer frame is provided with a first wire clip and a second wire clip. The first wire clip and the second wire clip are respectively arranged in alignment with two of the support rods of the mounting bracket.

7. The adjustable cooling fan according to claim 6, characterized in that: The fan outer frame is provided with a first wire outlet hole and a second wire outlet hole, both of which are located on the side of the fan outer frame, and the first wire outlet hole and the second wire outlet hole are respectively arranged adjacent to the first wire clip and the second wire clip.

8. The adjustable cooling fan according to claim 1, characterized in that: The fan outer frame is provided with four fixing members, and each of the fixing members is located at four corner positions of the inner side surface of the fan outer frame.

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