Quick-disassembly heat dissipation fan

Abstract

The utility model belongs to heat dissipation equipment technical field especially relates to a quick detach heat dissipation fan, including support frame, controlling means, fan blade and shell, support frame is set up with a plurality of mounting holes, the inner side of each mounting hole is spaced apart and is provided with a plurality of limit protrusions, each controlling means is installed in each mounting hole respectively, and each controlling means is close to the outside of bottom portion and is spaced apart and is provided with a plurality of clamping slots, each clamping slot is set down and is penetrated through the bottom plane of controlling means one end, each limit protrusion is clamped in each clamping slot respectively, each fan blade is connected with the rotary end of each controlling means respectively, the shell is fixedly installed on support frame, and shell is set up with a plurality of avoid position holes, each fan blade is located in each avoid position hole respectively, through above-mentioned structure setting, improves assembly maintenance efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of heat dissipation equipment technology, and in particular relates to a quick-release cooling fan. Background Technology

[0002] With the rapid development of electronic technology, the operating 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 this heat and ensure the normal operation of electronic components, the industry uses fans to cool electronic components. Traditional fans generally include a stator, a rotor, and a fan frame that houses the stator and rotor. The rotor usually includes a hub and several fan blades that are evenly arranged around the hub and radiate outward.

[0003] In the prior art, two cooling fans are fixedly connected by connectors or screws. When a fan malfunctions or is damaged, the relevant parts are disassembled for repair or replacement to restore the fan to normal function. For example, a computer cooling fan with application number CN202021210401.7 has a mounting base (1) and a magnetic frame (2). The mounting base (1) has a motor (3) with a built-in light emitter in the middle. A fan impeller (4) is mounted on the motor (3) through the magnetic frame (2). A light-emitting ring (5) is fitted on the top outer ring of the mounting base (1). A light guide ring (6) is installed on the bottom upper surface of the mounting base (1). The light-emitting ring (5) and the light-emitting ring on the motor (3) are integrated into the fan. The light emitted by the body is emitted from the light guide ring (6); a decorative cover (7) is installed on the outside of the light guide ring (6). Several arc-shaped grooves (7-1) are evenly arranged on the end face of the decorative cover (7), several rectangular grooves (7-2) are evenly arranged on the side wall of the decorative cover (7), several arc-shaped protrusions (6-1) are evenly arranged on the outer end face of the light guide ring (6), and several rectangular protrusions (6-2) are evenly arranged on the outer side wall of the light guide ring (6). The arc-shaped protrusions (6-1) are matched and embedded into the arc-shaped grooves (7-1), and the rectangular protrusions (6-2) are matched and embedded into the rectangular grooves (7-2), so as to realize the quick and tight assembly of the decorative cover (7) and the light guide ring (6);

[0004] However, if the cooling fan structure used in the existing technology is damaged during use, the corresponding parts need to be disassembled and replaced. This process is too complicated and has the technical problem of complicated repair steps and excessive time. Utility Model Content

[0005] The purpose of this invention is to provide a quick-release cooling fan, which aims to solve the technical problems of existing cooling fans.

[0006] To achieve the above objectives, this utility model provides a quick-release cooling fan, comprising a support frame, a control device, fan blades, and a housing. The support frame has a plurality of mounting holes, and each mounting hole has a plurality of limiting protrusions spaced apart on its inner side. Each control device is installed in a mounting hole, and each control device has a plurality of snap-fit ​​grooves spaced apart on its outer side near the bottom. Each snap-fit ​​groove extends downward through the bottom plane of the control device, and each limiting protrusion snaps into a snap-fit ​​groove. Each fan blade is connected to the rotating end of each control device. The housing is fixedly mounted on the support frame, and the housing has a plurality of clearance holes, with each fan blade located in a clearance hole.

[0007] Preferably, the control device includes a mounting base, a first annular PCB board, and a driving device. The mounting base is installed in the mounting hole, and each of the snap-fit ​​slots is provided on the side of the mounting base. A mounting post is provided at the center of the top of the mounting base. The first annular PCB board is installed on the mounting base, and the mounting post passes through the central through hole of the first annular PCB board. An electrical connection hole is provided on the mounting base, and the first annular PCB board covers the electrical connection hole. The driving device is installed on the mounting post and is electrically connected to the first annular PCB board. The fan blade is installed on the rotating end of the driving device.

[0008] Preferably, the upper surface of the mounting base is recessed downward to form a first annular groove and a second annular groove. The mounting post is located at the center of the first annular groove and the second annular groove, and the first annular groove is located at the bottom surface of the second annular groove. The bottom surface of the mounting base has a first protrusion and a second protrusion corresponding to the first annular groove and the second annular groove. The first protrusion is disposed on the surface of the second protrusion. Each of the snap-fit ​​grooves is spaced apart on the side of the first protrusion, and one end of the snap-fit ​​groove penetrates downward through the bottom surface of the first protrusion.

[0009] Preferably, an adjustment groove is provided on the bottom surface of the first protrusion, and the adjustment groove is located at the center of the bottom surface of the first protrusion.

[0010] Preferably, the driving device includes an annular magnet and a rotor. The rotor is mounted on the mounting post, the rotor shaft is rotatably mounted in the mounting post, and the rotor is electrically connected to the first annular PCB board. The annular magnet is fixedly mounted in the fan blade, the fan blade is mounted on the top of the shaft, and the rotor is located in the annular magnet.

[0011] Preferably, the bottom of the fan blade is provided with a mounting groove and an annular plate, the annular plate is disposed on the bottom surface of the mounting groove, the annular magnet is snapped into the annular plate, and the end of the rotating shaft is connected to the center position of the bottom surface of the mounting groove.

[0012] Preferably, the support frame includes a main body, multiple mounting rods, multiple annular mounting seats, and multiple second annular PCB boards. The main body is provided with a plurality of ventilation holes at intervals. A plurality of mounting rods are provided at intervals in each ventilation hole. The two ends of each mounting rod are respectively connected to the inner sidewall of the ventilation hole and the outer sidewall of the annular mounting seat. The mounting holes are provided on the annular mounting seats. A plurality of limiting protrusions are provided at intervals on the inner side of the annular mounting seats. The second annular PCB boards are mounted on the annular mounting seats. The first annular PCB boards and the second annular PCB boards are electrically connected by contacts.

[0013] Preferably, the annular mounting base has an annular groove, and the second annular PCB board is mounted in the annular groove.

[0014] Preferably, two of the mounting rods in each of the ventilation holes are provided with wire-passing grooves. The wire-passing grooves are located at the bottom of the mounting rods. One end of each of the two mounting rods extends toward both ends of the support frame. One end of the wire-passing groove communicates with the annular groove, and the other end of the wire-passing groove penetrates the inner wall of the ventilation hole.

[0015] Preferably, the bottom of the main body is provided with a plurality of connecting grooves, each of the connecting grooves being located between two ventilation holes, and the other end of each of the wire-passing grooves being connected to each of the connecting grooves located on the same side of the bottom surface of the main body.

[0016] The quick-release cooling fan provided in this embodiment of the present invention has at least one of the following technical effects:

[0017] The quick-release cooling fan of this application is assembled from a support frame, a control device, fan blades, and a housing. During the manufacturing of the support frame, a mounting hole is provided at the fan blade mounting position in each ventilation hole. Multiple limiting protrusions are spaced apart on the inner wall of the mounting hole. Correspondingly, multiple snap-fit ​​grooves are spaced apart on the bottom side of the control device. One end of each snap-fit ​​groove penetrates downwards through the bottom plane of the control device. During assembly, the housing is fixedly installed on the top plane of the support frame. The housing has multiple clearance holes for fan blade installation. The control device is installed through the clearance holes. Each limiting protrusion enters the snap-fit ​​groove through the opening in the bottom plane of the control device. Rotating the control device moves the limiting protrusion to the other end of the snap-fit ​​groove, snapping the control device into the mounting hole. Then, the fan blades are fixedly installed on the rotating end of the control device. The control devices are connected in series to achieve circuit connection. With this structural design, when the control device of the cooling fan of this application malfunctions, it can be quickly disassembled and replaced by rotating the control device, effectively improving assembly and maintenance efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 An illustration of the quick-release cooling fan provided in an embodiment of this utility model.

[0020] Figure 2 A top view of the support frame for the quick-release cooling fan provided in an embodiment of this utility model.

[0021] Figure 3 The image shows a bottom view of the support frame for the quick-release cooling fan provided in this embodiment of the utility model.

[0022] Figure 4 A rendering of the control device for the quick-release cooling fan provided in an embodiment of this utility model.

[0023] Figure 5 A top view of the mounting base of the control device for the quick-release cooling fan provided in this embodiment of the utility model.

[0024] Figure 6 A bottom view of the mounting base of the control device for the quick-release cooling fan provided in this embodiment of the utility model.

[0025] Figure 7 for Figure 6A magnified view of part A in the image.

[0026] Figure 8 An artist's rendering of the blades of the quick-release cooling fan provided in an embodiment of this utility model.

[0027] The following are the labeling elements in the figure:

[0028] 10—Support frame 11—Main body 12—Mounting support rod

[0029] 13—Annular mounting base; 14—Secondary annular PCB board; 20—Control device

[0030] 21—Mounting base; 22—First annular PCB board; 23—Drive device

[0031] 30—Fan blade; 31—Mounting groove; 32—Annular plate

[0032] 40—Outer shell; 41—Clearing hole; 111—Ventilation hole

[0033] 112—Connecting groove; 121—Threading groove; 131—Annular groove

[0034] 132—Mounting hole; 211—First annular groove; 212—Second annular groove

[0035] 213—Mounting post; 214—First protrusion; 215—Second protrusion

[0036] 231—Ring magnet; 232—Rotor; 1321—Limiting protrusion

[0037] 2121—Electrical connection hole; 2131—Assembly hole; 2141—Adjustment groove

[0038] 2142—Card slot. Detailed Implementation

[0039] The embodiments of this utility model are described in detail below, with examples of the embodiments shown in the appendix. Figures 1-8 As shown, the same or similar reference numerals throughout denote 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 intended to explain embodiments of the present invention, and should not be construed as limiting the present invention.

[0040] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0042] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0043] In one embodiment of this utility model, such as Figures 1-3As shown, a quick-release cooling fan is provided, including a support frame 10, a control device 20, fan blades 30, and a housing 40. The main body 11 of the support frame 10 has multiple ventilation holes 111, spaced apart between the two ends of the support frame 10, with at least two ventilation holes 111 per hole. Multiple mounting rods 12 are disposed within each ventilation hole 111, with one end of each mounting rod 12 connected to the inner surface of the ventilation hole 111 and the other end of each mounting rod 12 bent in the same direction. An annular mounting seat 13 is disposed between each mounting rod 12, and the other end of each mounting rod 12 is connected to the outer surface of the annular mounting seat 13. A wire-passing groove 121 is provided between the mounting rods 12 in the same ventilation hole 111 on two mounting rods 12 extending towards both ends of the main body 11. Located on the same side of the main body 11, each mounting support rod 12 with a wire-passing groove 121 is located on the same side of the main body 11. The wire-passing groove 121 is set with its opening facing downward at the bottom of the mounting support rod 12. One end of the wire-passing groove 121 is connected to the annular groove 131 on the annular mounting base 13. A second annular PCB board 14 is installed in the annular groove 131. Multiple connecting grooves 112 are set at the bottom of the main body 11. Each connecting groove 112 is set between two ventilation holes 111 along the two sides of the bottom of the main body 11. The other end of the wire-passing groove 121 is connected to the connecting groove 112. The two connecting grooves 112 are connected by the connection of the two wire-passing grooves 121 and the annular groove 131. Two adjacent wire-passing grooves 121 on the two ventilation holes 111 are connected by the connection of the same connecting groove 112. External holes are set at both ends of the bottom of the main body 11. The two external holes are connected to the two connecting grooves 112 at both ends respectively.

[0044] like Figures 2-7As shown, a mounting hole 132 is provided in the center of the annular mounting base 13. Multiple limiting protrusions 1321 are spaced apart on the inner wall of the mounting hole 132. The bottom of each limiting protrusion 1321 has a curved surface. A mounting post 213, a first annular groove 211, and a second annular groove 212 are provided on the top plane of the mounting base 21 of the control device 20. The top of the mounting base 21 is circular, and the mounting post 213 is located in the center of the top plane of the mounting base 21. Both the first annular groove 211 and the second annular groove 212 surround the mounting post 213. The outer radius of the first annular groove 211 is smaller than the outer radius of the second annular groove 212. The bottom of the mounting base 21 protrudes downward to form a first protrusion 214 and a second protrusion 215. The first protrusion 214 and the second protrusion 215 correspond to the first annular groove 211 and the second annular groove 212, respectively. The first protrusion 214 is located on the bottom surface of the second protrusion 215, and both the first protrusion 214 and the second protrusion 215 are cylindrical protrusions. A snap-fit ​​groove 2142 is opened on the outer side of the first protrusion 214. The snap-fit ​​groove 2142 is close to... One end extends downward through the bottom plane of the first protrusion 214, and the locking groove 2142 communicates with the first annular groove 211. A curved groove is provided on the inner side of the other end of the locking groove 2142. The curved groove is located near the bottom of the first protrusion 214. The limiting protrusion 1321 enters the locking groove 2142 from the notch at one end of the locking groove 2142 that penetrates the bottom plane of the first protrusion 214. By engaging with the adjusting groove 2141 located at the center of the bottom plane of the first protrusion 214, the rotating mounting base 21 is engaged, causing the limiting protrusion 1321 to move into the locking groove 2142. At the other end, the curved protrusion and the curved groove at the bottom of the limiting protrusion 1321 engage with each other to ensure rotation into place. The first annular PCB board 22 is installed in the second annular groove 212. The mounting post 213 passes through the central through hole of the first annular PCB board 22. A power connection hole 2121 is provided on the bottom surface of the second annular groove 212. The power connection hole 2121 penetrates the bottom surface of the second annular groove 212. Multiple contacts at the bottom of the first annular PCB board 22 pass through the power connection hole 2121 and abut against multiple contact pieces provided on the second annular PCB board 14 to achieve circuit connection.

[0045] like Figures 4-6As shown, an assembly hole 2131 is provided on the mounting post 213. The rotating shaft of the rotor 232 of the drive device 23 is installed in the assembly hole 2131. The central plane of the mounting groove 31 of the fan blade 30 is fixedly connected to the top of the rotating shaft. The rotor 232 is electrically connected to the first annular PCB board 22. An annular plate 32 is provided in the mounting groove 31 at the bottom of the fan blade 30. The annular magnet 231 of the drive device 23 is fixedly snapped into the range of the annular plate 32. The rotor 232 is located in the annular magnet 231. When the rotor 232 is energized, the annular magnet 231 rotates, thereby driving the fan blade 30 to rotate.

[0046] like Figure 1 As shown, the outer casing 40 is fixedly mounted on the support frame 10, and multiple clearance holes 41 are provided on the outer casing 40, with each fan blade 30 located in each clearance hole 41.

[0047] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-release cooling fan, characterized in that: The device includes a support frame, control devices, fan blades, and a housing. The support frame has several mounting holes, and each mounting hole has several limiting protrusions spaced apart on its inner side. Each control device is installed in one of the mounting holes, and each control device has several locking grooves spaced apart on its outer side near the bottom. Each locking groove extends downward through the bottom plane of the control device, and each limiting protrusion engages with the locking groove. Each fan blade is connected to the rotating end of each control device. The housing is fixedly installed on the support frame, and the housing has several clearance holes, with each fan blade located in one of the clearance holes.

2. The quick-release cooling fan according to claim 1, characterized in that: The control device includes a mounting base, a first annular PCB board, and a driving device. The mounting base is installed in the mounting hole, and each of the snap-fit ​​slots is provided on the side of the mounting base. A mounting post is provided at the center of the top of the mounting base. The first annular PCB board is installed on the mounting base, and the mounting post passes through the central through hole of the first annular PCB board. An electrical connection hole is provided on the mounting base, and the first annular PCB board covers the electrical connection hole. The driving device is installed on the mounting post and is electrically connected to the first annular PCB board. The fan blade is installed on the rotating end of the driving device.

3. The quick-release cooling fan according to claim 2, characterized in that: The upper surface of the mounting base is recessed downward to form a first annular groove and a second annular groove. The mounting post is located at the center of the first annular groove and the second annular groove, and the first annular groove is located at the bottom surface of the second annular groove. The bottom surface of the mounting base has a first protrusion and a second protrusion corresponding to the first annular groove and the second annular groove. The first protrusion is disposed on the surface of the second protrusion. Each of the snap-fit ​​grooves is spaced apart on the side of the first protrusion, and one end of the snap-fit ​​groove penetrates downward through the bottom surface of the first protrusion.

4. The quick-release cooling fan according to claim 3, characterized in that: An adjustment groove is provided on the bottom surface of the first protrusion, and the adjustment groove is located at the center of the bottom surface of the first protrusion.

5. The quick-release cooling fan according to claim 2, characterized in that: The driving device includes an annular magnet and a rotor. The rotor is mounted on the mounting post, and the rotor shaft is rotatably mounted in the mounting post. The rotor is electrically connected to the first annular PCB board. The annular magnet is fixedly mounted in the fan blade, and the fan blade is mounted on the top of the shaft. The rotor is located in the annular magnet.

6. The quick-release cooling fan according to claim 5, characterized in that: The bottom of the fan blade is provided with an installation groove and an annular plate. The annular plate is disposed on the bottom surface of the installation groove. The annular magnet is snapped into the annular plate. The end of the rotating shaft is connected to the center position of the bottom surface of the installation groove.

7. The quick-release cooling fan according to claim 2, characterized in that: The support frame includes a main body, multiple mounting rods, multiple annular mounting seats, and multiple second annular PCB boards. The main body has a number of ventilation holes spaced apart, and each ventilation hole has a number of mounting rods spaced apart. The two ends of each mounting rod are respectively connected to the inner side wall of the ventilation hole and the outer side wall of the annular mounting seat. The mounting holes are provided on the annular mounting seats, and the inner side of the annular mounting seats has a number of limiting protrusions spaced apart. The second annular PCB boards are mounted on the annular mounting seats, and the first annular PCB boards and the second annular PCB boards are electrically connected by contacts.

8. The quick-release cooling fan according to claim 7, characterized in that: The annular mounting base has an annular groove, and the second annular PCB board is mounted in the annular groove.

9. The quick-release cooling fan according to claim 8, characterized in that: Two of the mounting rods in each of the ventilation holes are provided with wire-passing grooves. The wire-passing grooves are located at the bottom of the mounting rods. One end of each of the two mounting rods extends toward both ends of the support frame. One end of the wire-passing groove is connected to the annular groove, and the other end of the wire-passing groove penetrates the inner wall of the ventilation hole.

10. The quick-release cooling fan according to claim 9, characterized in that: The bottom of the main body is provided with a number of connecting grooves, each of which is located between two ventilation holes, and the other end of each of the wire-passing grooves is connected to the connecting grooves located on the same side of the bottom surface of the main body.

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