Air cooling fan cover of fan
By designing a split-type air-cooled fan cover, the problems of poor coverage and inconvenient disassembly and assembly of existing air-cooled fan covers are solved, achieving higher safety and convenient maintenance.
Patent Information
- Application Number
- CN202520285879.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The existing air-cooled fan cover structure has problems such as poor coverage, low safety, and inconvenience in disassembly and assembly.
The air-cooled fan cover is designed as a split structure, including a first cover and a second cover, which are installed on the fan housing by screws to form a receiving cavity and are provided with an insertion port for easy disassembly and assembly.
It achieves good coverage, improves safety, and is more flexible in disassembly and assembly, making it easier to maintain the air-cooled fan.
Smart Images

Figure CN223648147U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of fan technology and relates to a fan cooling fan cover. Background Technology
[0002] A fan is a ventilation and blowing device widely used in factories, mines, tunnels, cooling towers, vehicles, ships, and buildings for ventilation, dust removal, and cooling, as well as for ventilation and induced draft in boilers and industrial furnaces. (See reference) Figure 2 and Figure 3 The existing fan includes a support frame 1, on which a motor 2 and a bearing housing 3 are mounted. A drive shaft is provided on the bearing housing 3. The impeller of the fan is mounted on one end of the drive shaft and located inside the housing 5. The other end of the drive shaft is connected to the rotating shaft of the motor 2 through a coupling. A cooling fan for heat dissipation is installed between the bearing housing 3 and the housing 5 on the drive shaft. A cooling fan cover 4 is installed on the back of the housing 5, covering the cooling fan.
[0003] The existing structure of the air-cooled fan shroud 4 is as follows Figure 1 As shown, the air-cooled fan cover 4 is a one-piece structure. The cover panel of the air-cooled fan cover 4 is shaped like an "n". The cover panel has a clearance groove 41. The disadvantages of this type of air-cooled fan cover are: 1. Because the air-cooled fan cover has a clearance groove, the coverage of the air-cooled fan cover is poor. Foreign objects can easily touch the rotating parts (air-cooled fan), which poses a certain safety hazard and is not safe enough; 2. Because the air-cooled fan cover is a one-piece structure, disassembly and assembly are relatively troublesome, and the maintenance of the air-cooled fan is not convenient. Utility Model Content
[0004] The purpose of this invention is to provide a fan shroud for a fan to solve the above-mentioned technical problems.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a fan cooling shroud, the fan cooling shroud having a receiving cavity, a first insertion port at one end of the receiving cavity and a second insertion port at the other end, the fan cooling shroud having a split structure, comprising a first shroud and a second shroud, both the first shroud and the second shroud being detachably installed on the fan casing, the first shroud and the second shroud being combined together to form the fan cooling shroud.
[0006] Furthermore, when the first cover and the second cover are combined, one side of the first cover and one side of the second cover fit together.
[0007] Furthermore, the first cover has a first cavity, one end of which has a first opening and the other end has a second opening; the second cover has a second cavity, one end of which has a third opening and the other end has a fourth opening, the first cavity and the second cavity form the receiving cavity, the first opening and the third opening form the first insertion port, and the second opening and the fourth opening form the second insertion port.
[0008] Furthermore, the air-cooled fan cover is provided with a cover panel, and the second insertion port is located on the cover panel.
[0009] Furthermore, the first cover has a plurality of inwardly extending first extension plates, which form a first panel; the second cover has a plurality of inwardly extending second extension plates, which form a second panel, and the first panel and the second panel together form the covering panel.
[0010] Furthermore, the first cover has five inwardly extending first extension plates, and the second cover has five inwardly extending second extension plates. The shapes of the first extension plates and the second extension plates are both isosceles trapezoids.
[0011] Furthermore, the cover panel is provided with a plurality of first heat dissipation holes, which are evenly arranged along the circumferential direction.
[0012] Furthermore, the side of the air-cooled fan cover is provided with several second heat dissipation holes.
[0013] Furthermore, the air-cooled fan cover is provided with a mounting flange, and the mounting flange is provided with mounting holes. Both the first cover and the second cover are provided with the mounting flange, and the first cover and the second cover are installed on the back of the fan housing by screws.
[0014] Furthermore, the shape of the air-cooled fan cover is a regular octagon.
[0015] The advantages of this utility model are: 1. The fan cover can completely cover the fan, with good coverage, and it is not easy for foreign objects to touch the rotating parts (fan), thus ensuring high safety; 2. The fan cover is a split structure, which makes disassembly and assembly more flexible and convenient. The fan can be inspected and maintained by removing one cover, thus making the maintenance of the fan more convenient. Attached Figure Description
[0016] Figure 1 This is a 3D view of an existing air-cooled fan shroud.
[0017] Figure 2 This is a schematic diagram of the structure of an existing air-cooled fan cover when installed on a fan.
[0018] Figure 3 yes Figure 2 A magnified view of I.
[0019] Figure 4 This is a first perspective view of the air-cooled fan cover according to an embodiment of the present utility model.
[0020] Figure 5 This is a second perspective view of the air-cooled fan cover according to an embodiment of the present utility model.
[0021] Figure 6 This is a front view of the air-cooled fan cover according to an embodiment of the present utility model.
[0022] Figure 7 This is a schematic diagram of the structure when the first cover and the second cover are separated according to an embodiment of the present invention.
[0023] Figure 8 This is a first perspective view of the first cover body of this utility model embodiment.
[0024] Figure 9 This is a second perspective view of the first cover body according to an embodiment of the present utility model.
[0025] Figure 10 This is a first perspective view of the second cover body according to an embodiment of the present utility model.
[0026] Figure 11 This is a perspective view of the second cover body according to an embodiment of the present utility model.
[0027] Explanation of reference numerals in the attached figures:
[0028] 1. Support frame; 2. Motor; 3. Bearing seat; 4. Existing air-cooled fan cover; 5. Housing; 6. Air-cooled fan cover of this utility model.
[0029] Leaving slot 41;
[0030] First cover 61, second cover 62, first insertion port 63, second insertion port 64, mounting flange 65, mounting hole 66, cover panel 67, first heat dissipation hole 68, second heat dissipation hole 69;
[0031] First opening 611, second opening 612, first panel 613;
[0032] First extension plate 6131;
[0033] Third opening 621, fourth opening 622, second panel 623;
[0034] Second extension plate 6231. Detailed Implementation
[0035] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0036] like Figure 4-7 As shown, the fan shroud 6 of this embodiment is octagonal in shape. The fan shroud 6 is machined with a receiving cavity. One end of the receiving cavity is machined with a first insertion port 63 and the other end is machined with a second insertion port 64.
[0037] The air-cooled fan cover 6 is designed as a split structure, which includes a first cover 61 and a second cover 62. Both the first cover 61 and the second cover 62 are installed on the back of the fan housing 5 by screws. The first cover 61 and the second cover 62 are combined together, with one side of the first cover 61 and one side of the second cover 62 fitting together to form the air-cooled fan cover 6.
[0038] Reference Figure 8 and Figure 9 The first cover 61 has a first cavity machined inside, with a first opening 611 machined at one end and a second opening 612 machined at the other end. (Refer to...) Figure 10 and Figure 11 The second cover 62 is machined with a second cavity, one end of which is machined with a third opening 621 and the other end with a fourth opening 622. The first cavity and the second cavity form a receiving cavity for accommodating the air-cooled fan. The first opening 611 and the third opening 621 form a first insertion port 63, and the second opening 612 and the fourth opening 622 form a second insertion port 64.
[0039] The air-cooled fan shroud is equipped with a cover panel 67, and a second insertion port 64 is located on the cover panel 67. (See reference) Figure 8 The first cover 61 has five inwardly extending first extension plates 6131 machined on it, and these first extension plates 6131 form the first panel 613. (See reference...) Figure 9 The second cover 62 has five inwardly extending second extension plates 6231, which form a second panel 623. The first panel 613 and the second panel 623 form a cover panel 67. In a preferred design, the shapes of the first extension plate 6131 and the second extension plate 6231 are both isosceles trapezoids.
[0040] The air-cooled fan cover has four mounting flanges 65, and mounting holes 66 are machined on the mounting flanges 65. The first cover 61 and the second cover 62 each have two mounting flanges 65. The first cover 61 and the second cover 62 are respectively mounted on the back of the fan housing 5 by screws.
[0041] In the preferred design, forty-six first heat dissipation holes 68 are machined on the cover panel 67, and these first heat dissipation holes 68 are evenly arranged along the circumference.
[0042] The preferred design features sixty-four secondary heat dissipation holes 69 machined on the side of the air-cooled fan shroud.
[0043] The advantages of the fan cooling cover of this utility model are: 1. The fan cooling cover can completely cover the fan cooling, with good coverage, and it is not easy for foreign objects to touch the rotating parts (fan cooling), thus ensuring high safety; 2. The fan cooling cover has a split structure, which makes disassembly and assembly more flexible and convenient. The fan cooling can be inspected and maintained by removing one cover, thus making the maintenance of the fan cooling more convenient.
[0044] 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, improvements, etc., 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 fan shroud for a fan, the fan shroud (6) having a receiving cavity, one end of the receiving cavity having a first insertion port (63) and the other end having a second insertion port (64), characterized in that, The air-cooled fan cover (6) is a split structure, which includes a first cover (61) and a second cover (62). Both the first cover (61) and the second cover (62) can be detachably installed on the fan housing (5). The first cover (61) and the second cover (62) are combined together to form the air-cooled fan cover (6).
2. The air-cooled fan cover according to claim 1, characterized in that, When the first cover (61) and the second cover (62) are combined, one side of the first cover (61) and one side of the second cover (62) are in contact with each other.
3. The air-cooled fan cover according to claim 1, characterized in that, The first cover (61) is provided with a first cavity, one end of which is provided with a first opening (611) and the other end with a second opening (612); the second cover (62) is provided with a second cavity, one end of which is provided with a third opening (621) and the other end with a fourth opening (622). The first cavity and the second cavity form the receiving cavity. The first opening (611) and the third opening (621) form the first insertion port (63), and the second opening (612) and the fourth opening (622) form the second insertion port (64).
4. The air-cooled fan cover according to claim 3, characterized in that, The air-cooled fan cover is provided with a cover panel (67), and the second insertion port (64) is located on the cover panel (67).
5. The air-cooled fan cover according to claim 4, characterized in that, The first cover (61) is provided with a plurality of inwardly extending first extension plates (6131), which form a first panel (613); the second cover (62) is provided with a plurality of inwardly extending second extension plates (6231), which form a second panel (623), and the first panel (613) and the second panel (623) together form the covering panel (67).
6. The air-cooled fan cover according to claim 5, characterized in that, The first cover (61) is provided with five inwardly extending first extension plates (6131), and the second cover (62) is provided with five inwardly extending second extension plates (6231). The shapes of the first extension plates (6131) and the second extension plates (6231) are both isosceles trapezoids.
7. The air-cooled fan cover according to claim 4, characterized in that, The cover panel (67) is provided with a plurality of first heat dissipation holes (68), which are evenly arranged along the circumferential direction.
8. The air-cooled fan cover according to claim 1, characterized in that, The side of the air-cooled fan cover is provided with several second heat dissipation holes (69).
9. The air-cooled fan cover according to claim 1, characterized in that, The air-cooled fan cover is provided with a mounting flange (65), and the mounting flange (65) is provided with a mounting hole (66). The first cover (61) and the second cover (62) are both provided with the mounting flange (65). The first cover (61) and the second cover (62) are installed on the back of the fan housing (5) by screws.
10. The air-cooled fan cover according to claim 1, characterized in that, The air-cooled fan cover has a regular octagonal shape.