Assembled fan

Abstract

The utility model belongs to the technical field of heat dissipation equipment, and particularly relates to an assembled fan which comprises an installation base, a limiting cover and a plurality of fan blades, the installation base is cylindrical, a plurality of installation grooves are formed in the circumferential side face of the installation base at intervals, one end of each installation groove penetrates through the top plane of the installation base, and the other end of each installation groove penetrates through the limiting cover. The fan blades are detachably connected with the installation grooves respectively, the limiting cover is fixedly installed on the top of the installation base and covers through holes in one ends of the installation grooves, a rotating shaft assembly hole coinciding with the central axis is formed in the installation base, the rotating shaft assembly hole penetrates through the installation base, and the limiting cover is fixedly installed on the top of the installation base and covers through holes in one ends of the installation grooves. Through the structural arrangement, the fan blades of the assembled fan can be replaced according to use requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of heat dissipation equipment, and in particular relates to an assembled 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 this heat to ensure the normal operation of electronic components, the industry uses fans to dissipate the heat of 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 blades that are evenly arranged around the hub and radiate outward. In the prior art, the blades of the fan are usually fixedly connected to the hub, that is, the blades are usually directly formed on the hub, or the blades are fixedly mounted on the hub, and the positional relationship between the two is fixed. However, the use of fans in the prior art has technical problems such as fixed models and high replacement costs. Utility Model Content

[0003] The utility model aims to provide an assembled fan, aiming to solve the technical problem of fixing the fan model in the prior art.

[0004] To achieve the above-mentioned purpose, an embodiment of the utility model provides an assembled fan, including a mounting seat, a limit cover and a plurality of fan blades, the mounting seat is arranged in a cylindrical shape, and a plurality of mounting grooves are arranged at intervals on the circumferential side surface of the mounting seat, one end of the mounting groove passes through the top plane of the mounting seat, and each of the fan blades is detachably connected to each of the mounting grooves, the limit cover is fixedly installed on the top of the mounting seat, and the limit cover covers the through hole at one end of each of the mounting grooves, and the mounting seat is provided with a shaft assembly hole coinciding with the central axis, and the shaft assembly hole passes through the mounting seat.

[0005] Preferably, the mounting groove includes a first limiting area and a second limiting area, the first limiting area is connected to the side of the mounting seat, and one end of the first limiting area and the second limiting area are both connected to the top plane of the mounting seat, and the first limiting area and the second limiting area are interconnected.

[0006] Preferably, the fan blade includes a fixing member and a blade, the fixing member is slidably connected to the first limiting area and the second limiting area, and the blade is fixedly mounted on a side surface of the fixing member.

[0007] Preferably, the fixing member includes a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are respectively slidably connected to the first limiting area and the second limiting area, the first connecting plate and the second connecting plate are connected to each other, and the blade is fixedly connected to the side of the first connecting plate.

[0008] Preferably, the outer side surface of the first connecting plate is arranged in a curved surface, and the center of the curved surface and the center of the curved surface of the outer side surface of the mounting seat are located on the same axis.

[0009] Preferably, the limiting cover is arranged in an annular shape, and covers a through hole at one end of each installation slot.

[0010] Preferably, a limiting protrusion is arranged on the top of the mounting seat, the limiting cover is arranged around the limiting protrusion, and the inner circular side surface of the limiting cover is in close contact with the outer circular side surface of the limiting protrusion.

[0011] Preferably, an annular limiting plate for covering an opening at one end of each mounting groove is arranged on the side surface of the mounting seat, and the annular limiting plate is arranged close to the bottom of the mounting seat.

[0012] Preferably, a mounting hole is provided at the bottom of the mounting seat, and the top center position of the mounting hole is communicated with the rotating shaft assembly hole.

[0013] Preferably, a avoidance groove is arranged on the top of the mounting seat, and the avoidance groove is communicated with the rotating shaft assembly hole.

[0014] The above one or more technical solutions in the assembled fan provided by the embodiment of the utility model have at least one of the following technical effects:

[0015] The assembled fan in the utility model is assembled from a mounting base, a limiting cover and a plurality of fan blades, wherein the mounting base is arranged in a cylindrical shape, and a rotating shaft assembly hole that passes through the planes at both ends of the mounting base is opened at the central position of the mounting base for fixed installation of the mounting base, and a plurality of mounting grooves are arranged at intervals on the outer side surface of the mounting base, and one end of each mounting groove is arranged to communicate with the top plane of the mounting base, and each fan blade is provided with a fixing piece corresponding to each mounting groove, and each fixing piece is fixedly assembled in each mounting groove by sliding through the through hole between the mounting groove and the top plane of the mounting base, so that different fan blades can be replaced according to the needs of the user, and then the limiting cover is installed on the top plane of the mounting base, and the limiting cover covers the through hole between each mounting groove and the top surface of the mounting base, so as to limit the position of the fixing piece fixedly installed in the mounting groove, so as to prevent the fan blades from falling off during the rotation of the entire assembled fan, thereby causing an accident. Through the above-mentioned structural arrangement, the assembled fan in the present application can replace the fan blades according to the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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.

[0017] Figure 1 An exploded view of an assembled fan provided in an embodiment of the utility model.

[0018] Figure 2 for Figure 1 A partial enlarged view of middle A.

[0019] Figure 3 This is a rendering of the effect of assembling a fan provided in an embodiment of the utility model.

[0020] Figure 4 A plan view of a mounting base for assembling a fan provided in an embodiment of the utility model.

[0021] Figure 5 A cross-sectional view of a mounting base for assembling a fan provided in an embodiment of the utility model.

[0022] Among them, the reference numerals in the figure are:

[0023] 10—Mounting seat 11—Mounting slot 12—Shaft assembly hole

[0024] 13—avoidance groove 14—installation hole 20—limiting cover

[0025] 30 - fan blade 31 - fixing part 32 - blade

[0026] 111—first limiting area 112—second limiting area 311—first connecting plate

[0027] 312 — Second connecting plate. DETAILED DESCRIPTION

[0028] The following describes the embodiments of the present invention in detail. Figures 1 to 5 , 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.

[0029] 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.

[0030] 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.

[0031] 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.

[0032] In one embodiment of the present invention, Figures 1 to 5 As shown, an assembled fan is provided, including a mounting base 10, a limit cover 20 and a plurality of fan blades 30. The mounting base 10 is arranged in a cylindrical shape, and a plurality of mounting grooves 11 are arranged at intervals on the circumferential side surface of the mounting base 10. One end of the mounting groove 11 passes through the top plane of the mounting base 10, and each fan blade 30 is detachably connected to each mounting groove 11. The limit cover 20 is fixedly installed on the top of the mounting base 10, and the limit cover 20 covers a through hole at one end of each mounting groove 11. The mounting base 10 is provided with a shaft assembly hole 12 which coincides with the central axis, and the shaft assembly hole 12 passes through the mounting base 10.

[0033] The assembled fan in the utility model is assembled by a mounting base 10, a limiting cover 20 and a plurality of fan blades 30, wherein the mounting base 10 is arranged in a cylindrical shape, and a rotating shaft assembly hole 12 is provided at the central position of the mounting base 10 and passes through the planes at both ends of the mounting base 10, for fixed installation of the mounting base 10, and a plurality of mounting grooves 11 are arranged at intervals on the outer side surface of the mounting base 10, and one end of each mounting groove 11 is arranged to communicate with the top plane of the mounting base 10, and each fan blade 30 is provided with a fixing piece 31 corresponding to each mounting groove 11, and the fixing piece 31 is arranged on each fan blade 30, and the fixing piece 31 is arranged between the mounting groove 11 and the top plane of the mounting base 10. Through holes, each fixing member 31 is fixedly assembled in each mounting groove 11 by sliding, and different fan blades 30 can be replaced according to user needs, and then the limit cover 20 is installed on the top plane of the mounting seat 10, and the limit cover 20 covers the through holes between each mounting groove 11 and the top surface of the mounting seat 10, thereby limiting the position of the fixing member 31 fixedly installed in the mounting groove 11, preventing the fan blade 30 from falling off during the rotation of the entire assembled fan, causing an accident. Through the above-mentioned structural setting, the assembled fan in the present application can replace the fan blades 30 according to usage requirements.

[0034] In another embodiment of the present invention, Figure 1 and Figures 4-5 As shown, the mounting groove 11 includes a first limiting area 111 and a second limiting area 112, the first limiting area 111 is connected to the side of the mounting seat 10, and one end of the first limiting area 111 and the second limiting area 112 are connected to the top plane of the mounting seat 10, the first limiting area 111 and the second limiting area 112 are interconnected, and the second limiting area 112 is used to fix the positioning installation of the fan blades 30, and the first limiting area 111 connected to the side of the mounting groove 11 can ensure that the blades 32 of the fan are arranged around the same center after assembly.

[0035] In another embodiment of the present invention, Figures 1 to 3 As shown, the fan blade 30 includes a fixing member 31 and a blade 32. The fixing member 31 is slidably connected to the first limiting area 111 and the second limiting area 112. The blade 32 is fixedly installed on the side of the fixing member 31. The first limiting area 111 and the second limiting area 112 locate the installation position of the fixing member 31, and the blade 32 is driven to rotate by driving the fixing member 31 to rotate.

[0036] In another embodiment of the present invention, Figures 1 to 3As shown, the fixing member 31 includes a first connecting plate 311 and a second connecting plate 312, and the first connecting plate 311 and the second connecting plate 312 are slidably connected to the first limiting area 111 and the second limiting area 112 respectively, and the first connecting plate 311 and the second connecting plate 312 are connected to each other, and the blade 32 is fixedly connected to the side of the first connecting plate 311. The first connecting plate 311 is used to fix and install the fixing member 31, and the second connecting plate 312 is used to realize the positioning and assembly of the blade 32.

[0037] In another embodiment of the present invention, Figures 1 to 3 As shown, the outer side surface of the first connecting plate 311 is arranged in a curved surface, and the center of the curved surface is located on the same axis as the center of the curved surface of the outer side surface of the mounting seat 10, ensuring that the outer side surface of the first connecting plate 311 and the outer side surface of the mounting seat 10 are located on the same curved surface, ensuring the flatness of the plane, and optimizing the appearance of the assembled fan.

[0038] In another embodiment of the present invention, Figure 1 and Figure 3 As shown, the limit cover 20 is arranged in an annular shape, and the limit cover 20 covers the through hole at one end of each installation groove 11. The annular limit cover 20 can save the material of the limit cover 20 to the greatest extent and reduce the cost while shielding the installation groove 11.

[0039] In another embodiment of the present invention, Figure 1 and Figures 3 to 5 As shown, a limiting protrusion is set on the top of the mounting seat 10, and the limiting cover 20 is set around the limiting protrusion, and the inner circular side surface of the limiting cover 20 is close to the outer circular side surface of the limiting protrusion. The installation of the limiting cover 20 is positioned by the limiting protrusion, so that the positioning of the limiting cover 20 during assembly is more accurate, thereby improving the assembly efficiency.

[0040] In another embodiment of the present invention, Figure 1 and Figure 5 As shown, an annular limiting plate for covering the opening of one end of each mounting groove 11 is arranged on the side of the mounting seat 10. The annular limiting plate is arranged close to the bottom of the mounting seat 10. The other end of the mounting groove 11 is covered by the annular limiting plate to prevent the fan blade 30 slidingly connected to the mounting groove 11 from falling off.

[0041] In another embodiment of the present invention, Figure 5 As shown, a mounting hole 14 is provided at the bottom of the mounting seat 10 , and the top center position of the mounting hole 14 is communicated with the shaft assembly hole 12 , which facilitates the alignment and assembly of the mounting seat 10 on the one hand, and saves the raw material cost of the mounting seat 10 on the other hand.

[0042] In another embodiment of the present invention, Figure 1 and Figures 3 to 5As shown, a avoiding groove 13 is arranged on the top of the mounting seat 10, and the avoiding groove 13 is connected to the shaft assembly hole 12, so as to hide the fixing part 31 of the shaft during assembly and optimize the flatness of the top plane of the mounting seat 10.

[0043] 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. An assembled fan, characterized in that: It includes a mounting seat, a limit cover and a plurality of fan blades. The mounting seat is cylindrical, and a plurality of mounting grooves are arranged at intervals on the circumferential side of the mounting seat. One end of the mounting groove passes through the top plane of the mounting seat. Each fan blade is detachably connected to each mounting groove. The limit cover is fixedly installed on the top of the mounting seat, and the limit cover covers a through hole at one end of each mounting groove. The mounting seat is provided with a shaft assembly hole coinciding with the central axis, and the shaft assembly hole passes through the mounting seat.

2. The assembled fan according to claim 1, characterized in that: The mounting groove includes a first limiting area and a second limiting area, the first limiting area is connected to the side of the mounting seat, and one end of the first limiting area and the second limiting area are both connected to the top plane of the mounting seat, and the first limiting area and the second limiting area are interconnected.

3. The assembled fan according to claim 2, characterized in that: The fan blade includes a fixing member and a blade. The fixing member is slidably connected to the first limiting area and the second limiting area. The blade is fixedly mounted on a side surface of the fixing member.

4. The assembled fan according to claim 3, characterized in that: The fixing member includes a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are slidably connected to the first limiting area and the second limiting area respectively, the first connecting plate and the second connecting plate are connected to each other, and the blade is fixedly connected to the side of the first connecting plate.

5. The assembled fan according to claim 4, characterized in that: The outer side surface of the first connecting plate is arranged in a curved surface, and the center of the curved surface and the center of the curved surface of the outer side surface of the mounting seat are located on the same axis.

6. The assembled fan according to claim 1, characterized in that: The limiting cover is arranged in an annular shape, and covers a through hole at one end of each installation slot.

7. The assembled fan according to claim 6, characterized in that: A limiting protrusion is arranged on the top of the mounting seat, and the limiting cover is arranged around the limiting protrusion, and the inner circular side surface of the limiting cover is in close contact with the outer circular side surface of the limiting protrusion.

8. The assembled fan according to claim 1, characterized in that: An annular limiting plate for covering the opening at one end of each mounting groove is arranged on the side of the mounting seat, and the annular limiting plate is arranged close to the bottom of the mounting seat.

9. The assembled fan according to claim 1, characterized in that: A mounting hole is arranged at the bottom of the mounting seat, and the top center position of the mounting hole is communicated with the rotating shaft assembly hole.

10. The assembled fan according to claim 1, characterized in that: A position-avoiding groove is arranged on the top of the mounting seat, and the position-avoiding groove is communicated with the rotating shaft assembly hole.

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