Engine fan, engine cooling structure and engine

Abstract

The invention relates to an engine fan, an engine cooling structure and an engine, and relates to the field of engines, the engine fan comprises an outer frame, an inner mounting plate, an air supply assembly and a damping assembly, the inner mounting plate is located in the outer frame, and a buffer gap is formed between the outer peripheral wall of the inner mounting plate and the inner peripheral wall of the outer frame; a mounting hole is formed in the inner mounting plate in a penetrating mode in the first direction, and the first direction is the direction perpendicular to the surface of the inner mounting plate; the air supply assembly is connected to the inner mounting plate; a plurality of damping assemblies are connected between the outer frame and the inner mounting plate; the damping assembly comprises an elastic piece, the stretching direction of the elastic piece is perpendicular to the first direction, one end of the elastic piece is rotationally connected to the outer frame through a first rotating shaft, and the other end of the elastic piece is rotationally connected to the inner mounting plate through a second rotating shaft; the first rotating shaft and the second rotating shaft are both parallel to the first direction. The engine fan has the effect of reducing vibration of the engine fan so as to improve the stability of the engine.

Description

Technical Field

[0001] The present application relates to the field of engines, and in particular, to an engine fan, an engine cooling structure, and an engine. Background Art

[0002] Engine fans are widely used in mechanical equipment, mainly for dissipating heat from the engine or providing forced ventilation to ensure the normal operation of the equipment.

[0003] Currently, the common engine fans on the market mainly rely on simple mechanical structures to achieve the air circulation function. Specifically, a fixed installation method is usually adopted, directly connecting the blades to the motor, and driving the blades to rotate through the motor to complete the air supply task; the motor is usually fixedly connected to the engine housing.

[0004] Regarding the above related technologies, since the motor will generate certain vibrations during the process of driving the blades to rotate, there is a risk of loosening or even damage of the components, which in turn affects the stability and reliability of the entire system. Therefore, providing an engine fan with less vibration to improve the stability of the engine is an urgent problem to be solved. Summary of the Invention

[0005] In order to provide an engine fan with less vibration to improve the stability of the engine, the present application provides an engine fan, an engine cooling structure, and an engine.

[0006] In a first aspect, the present application provides an engine fan, adopting the following technical solution: An engine fan includes: An outer frame; An inner mounting plate, which is located inside the outer frame, and a buffer gap is formed between the outer peripheral wall of the inner mounting plate and the inner peripheral wall of the outer frame; the inner mounting plate is provided with a mounting hole penetrating along a first direction, and the first direction is perpendicular to the plate surface of the inner mounting plate; An air supply assembly, which is connected to the inner mounting plate; and, A shock absorption assembly, and a plurality of shock absorption assemblies are connected between the outer frame and the inner mounting plate; the shock absorption assembly includes: An elastic member, the telescopic direction of the elastic member is perpendicular to the first direction, one end of the elastic member is rotatably connected to the outer frame through a first rotating shaft, and the other end is rotatably connected to the inner mounting plate through a second rotating shaft; both the first rotating shaft and the second rotating shaft are parallel to the first direction.

[0007] By adopting the above technical solutions, the buffer gap design between the outer frame and the inner mounting plate effectively reduces the rigid contact between the two, avoiding the transmission of vibration to the external structure. The air supply component is arranged in the mounting hole of the inner mounting plate, achieving a compact space layout. The elastic member in the shock absorption component is respectively connected to the outer frame and the inner mounting plate through the first rotating shaft and the second rotating shaft, and can absorb the vibration energy generated by the operation of the air supply component, thereby significantly reducing the vibration amplitude of the entire engine fan system and its impact on external equipment.

[0008] Optionally, the shock absorption component further includes a telescopic rod. One end of the telescopic rod is fixedly connected to the first rotating shaft, and the other end is fixedly connected to the second rotating shaft. The telescopic direction of the telescopic rod is parallel to the telescopic direction of the elastic member.

[0009] By adopting the above technical solutions, the setting of the telescopic rod effectively reduces the bending deformation of the elastic member during operation, improving the overall stability of the shock absorption component. At the same time, the telescopic rod and the elastic member cooperate to ensure the smooth movement of the inner mounting plate within the outer frame.

[0010] Optionally, the air supply component includes: A mounting frame, which is located within the mounting hole and is fixedly connected to the inner mounting plate; A third rotating shaft, parallel to the first direction, and the third rotating shaft is rotatably connected to the mounting frame around its own axis; A first motor, which is connected between the third rotating shaft and the mounting frame for driving the third rotating shaft to rotate along the mounting frame; and, Blades, which are fixedly connected to the third rotating shaft.

[0011] By adopting the above technical solutions, the third rotating shaft is rotatably connected to the mounting frame through its own rotation and is driven by the first motor to rotate, thereby driving the blades to rotate synchronously, achieving the effective acceleration and transportation of the air flow.

[0012] Optionally, it further includes a dust blocking component, and the dust blocking component includes: A plurality of rotating cylinders, parallel to the second direction, and the plurality of rotating cylinders are spaced apart in the second direction, and an exhaust gap is formed between adjacent two rotating cylinders; The rotating cylinder is rotatably connected to the rotating cylinder through a fourth rotating shaft, and the fourth rotating shaft is parallel to the rotating cylinder; The dust blocking component and the air supply component are distributed in the first direction.

[0013] By adopting the above technical solutions, the plurality of rotating cylinders in the dust blocking component can be spaced apart in the second direction to form an exhaust gap, effectively blocking external dust from entering the engine interior while ensuring air circulation.

[0014] Optionally, the cross-section of the rotating cylinder perpendicular to its own length direction is a polygon.

[0015] By adopting the above technical solution, setting the cross-section of the rotating cylinder perpendicular to its own length direction as a polygon can effectively disturb the air flow during the rotation of the rotating cylinder. The disturbed air flow will generate an impact force on the surface of the rotating cylinder, thereby more effectively shaking off the dust adhering to the surface of the rotating cylinder, preventing the dust accumulation from blocking the air supply gap, and further ensuring the ventilation performance and working efficiency of the engine fan.

[0016] Optionally, it further includes a transmission assembly, and the transmission assembly includes: A first bevel gear coaxially and fixedly connected to the fourth rotating shaft; A transmission shaft parallel to the third direction, and the transmission shaft is rotatably connected to the inner mounting plate around its own axis; and, A plurality of second bevel gears coaxially and fixedly connected to the transmission shaft, and each second bevel gear meshes with one of the first bevel gears respectively.

[0017] By adopting the above technical solution, the transmission shaft, as the core transmission component, can not only effectively transmit power, but also ensure the coordinated movement of all rotating cylinders due to its fixed connection with a plurality of second bevel gears and the meshing relationship between the second bevel gears and the first bevel gears.

[0018] Optionally, the transmission assembly further includes a second motor connected between the transmission shaft and the inner mounting plate for driving the transmission shaft to rotate along the inner mounting plate.

[0019] By adopting the above technical solution, the second motor is connected between the transmission shaft and the inner mounting plate, so that the rotation of the transmission shaft can be accurately controlled, and then the entire transmission system can be driven to operate.

[0020] Optionally, it further includes a dust-attaching assembly, and the dust-attaching assembly includes: Velcro; and, Brush bristles connected to the rotating cylinder through the Velcro.

[0021] By adopting the above technical solution, detachable brush bristles are arranged on the side wall of the rotating cylinder to adsorb dust in the air, effectively reducing the possibility of dust entering the engine interior. At the same time, with the design of Velcro, the brush bristles are convenient to replace. In addition, when the transmission assembly drives the rotating cylinder to rotate, with the cooperation of the elastic member, the dust adhering to the brush bristles can be shaken off more thoroughly, thus realizing the automatic cleaning function.

[0022] In a second aspect, the present application provides an engine cooling structure, adopting the following technical solution: An engine cooling structure includes the aforementioned engine fan.

[0023] By adopting the above technical solution, the influence of the vibration of the engine fan on the engine can be reduced.

[0024] In a third aspect, the present application provides an engine, adopting the following technical solution: An engine includes the aforementioned engine cooling structure.

[0025] By adopting the above technical solution, the influence of the vibration of the engine cooling structure on the engine can be effectively reduced.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: Through the cooperation of the elastic member and the telescopic rod, the shock-absorbing component realizes the effective support and shock absorption of the inner mounting plate, reducing the vibration generated during the operation of the air supply component from being transmitted to the external frame, thereby improving the stability and reliability of the entire engine fan; The air supply component drives the third rotating shaft and the blades to rotate through the first motor, which can efficiently accelerate the air flow transportation, improve the heat dissipation efficiency and reduce the energy consumption; The dust-proof component combined with the design of the transmission component enables the rotating cylinder to actively rotate to remove the dust on the surface, effectively preventing dust from entering the engine interior and extending the service life of the equipment. Description of the Drawings

[0027] Figure 1 is the overall structural schematic diagram of the embodiment of the present application; Figure 2 is Figure 1 the enlarged view of part A in Figure 3 is the structural schematic diagram of the third rotating shaft in the embodiment of the present application; Figure 4 is the structural schematic diagram of the transmission component in the embodiment of the present application; Figure 5 is Figure 4 the enlarged view of part B in

[0028] Description of reference numerals: 1. Outer frame; 11. Buffer gap; 12. First mounting groove; 2. Inner mounting plate; 21. Mounting hole; 22. Second mounting groove; 23. Lobe; 3. Shock absorption assembly; 31. Elastic member; 32. Telescopic rod; 33. First rotating shaft; 34. Second rotating shaft; 4. Air supply assembly; 41. Mounting frame; 42. Third rotating shaft; 43. First motor; 44. Blade; 5. Dust blocking assembly; 51. Rotating cylinder; 52. Air supply gap; 53. Fourth rotating shaft; 6. Transmission assembly; 61. First bevel gear; 62. Transmission shaft; 63. Second bevel gear; 64. Second motor; 7. Dust adhering assembly; 71. Connecting strip; 72. Magic tape; 721. Loop surface; 722. Hook surface; 73. Brush. Detailed implementation manners

[0029] The following further elaborates on this application in conjunction with the attached Figures 1-5 For a more detailed description of this application. For ease of description, this application introduces orientation terms such as the first direction, the second direction, and the third direction to form a three-dimensional reference direction. The orientation terms such as "the first direction, the second direction, and the third direction" can specifically refer to the figure shown, where X represents the first direction, Y represents the second direction, Z represents the third direction, and the first direction, the second direction, and the third direction are perpendicular to each other in pairs.

[0030] An embodiment of this application discloses an engine fan. Refer to Figure 1 and Figure 2 , the engine fan includes an outer frame 1, an inner mounting plate 2, a shock absorption assembly 3, and an air supply assembly 4; the outer frame 1 has a rectangular frame structure, the inner mounting plate 2 is located inside the outer frame 1, and the plate surface of the inner mounting plate 2 is perpendicular to the first direction. A buffer gap 11 is formed between the outer peripheral wall of the inner mounting plate 2 and the inner peripheral wall of the outer frame 1; a plurality of shock absorption assemblies 3 are connected between the outer frame 1 and the inner mounting plate 2, and two shock absorption assemblies 3 are respectively provided corresponding to each side of the outer frame 1 and the shock absorption assembly 3; the shock absorption assembly 3 includes an elastic member 31 and a telescopic rod 32, the telescopic direction of the elastic member 31 is perpendicular to the first direction, one end of the elastic member 31 is rotatably connected to the outer frame 1 through a first rotating shaft 33, and the other end is rotatably connected to the inner mounting plate 2 through a second rotating shaft 34; both the first rotating shaft 33 and the second rotating shaft 34 are parallel to the first direction; To install the first rotating shaft 33 and the second rotating shaft 34, a first installation groove 12 is provided on the inner wall of the outer frame 1. The first rotating shaft 33 is located in the first installation groove 12 and is rotatably connected to the outer frame 1 at both ends. A second installation groove 22 is provided on the outer peripheral wall of the inner installation plate 2. The second rotating shaft 34 is located in the second installation groove 22 and is rotatably connected to the inner installation plate 2 at both ends. The first rotating shaft 33 and the second rotating shaft 34 can rotate along with the elastic member 31. The sizes of the first installation groove 12 and the second installation groove 22 are adapted to the rotation ranges of the telescopic rod 32 and the elastic member 31 to prevent the rotation process of the telescopic rod 32 and the elastic member 31 from being interfered by the outer frame 1 or the inner installation plate 2. In the present disclosure, the elastic member 31 is a compression spring. When the installation plate is in the exact middle of the outer frame 1, each elastic member 31 has a pre-pressure and is in a compressible state with recoverable deformation and can be further compressed, so as to facilitate the inner installation plate 2 to shake in the plane perpendicular to the first direction within the outer frame 1. To reduce the bending of the elastic member 31, one end of the telescopic rod 32 is fixedly connected to the first rotating shaft 33, and the other end is fixedly connected to the second rotating shaft 34. The telescopic direction of the telescopic rod 32 is parallel to the telescopic direction of the elastic member 31 to guide the telescopic movement of the elastic member 31.

[0031] Refer to Figure 1 and Figure 3 Referring to

[0032] Refer to Figure 4 and Figure 5, in some embodiments of the present application, there is also a dust shielding assembly 5. The dust shielding assembly 5 and the air supply assembly 4 are distributed in sequence in the first direction. In the first direction, the dust shielding assembly 5 is located on the side of the blade 44 away from the first motor 43. The dust shielding assembly 5 includes a plurality of rotating cylinders 51. The rotating cylinders 51 are parallel to the second direction. The plurality of rotating cylinders 51 are spaced apart in the third direction, and an air supply gap 52 is formed between two adjacent rotating cylinders 51. The rotating cylinder 51 is rotatably connected to the inner mounting plate 2 through a fourth rotating shaft 53. The fourth rotating shaft 53 is parallel to the rotating cylinder 51. In the present disclosure, each end of the rotating cylinder 51 is fixedly connected with a fourth rotating shaft 53. The fourth rotating shaft 53 passes through the inner mounting plate 2 and can rotate along the inner mounting plate 2. During the rotation of the rotating cylinder, in cooperation with the shaking of the inner mounting plate 2, the dust on the rotating cylinder 51 can be shaken off to prevent the dust from blocking the air supply gap 52; The cross-section of the rotating cylinder 51 along the direction perpendicular to its own length is a polygon. Preferably, in the present disclosure, the cross-section of the rotating cylinder 51 along the direction perpendicular to its own length is a rectangle, so as to facilitate the rotating cylinder 51 to disturb the air flow during rotation. The disturbed air flow can further impact the rotating cylinder 51 to shake off the dust on the surface of the rotating cylinder 51.

[0033] Refer to Figure 4 and Figure 5 , in order to drive the rotating cylinder 51 to rotate along the inner mounting plate 2, in some embodiments of the present application, there is also a transmission assembly 6. The transmission assembly 6 includes a first bevel gear 61, a transmission shaft 62, a second bevel gear 63, and a second motor 64; One end of the fourth rotating shaft 53 of the rotating cylinder 51 passes through the side wall of the inner mounting plate 2 and extends into the buffer gap 11 to be connected with the transmission assembly 6. For the convenience of description, the fourth rotating shaft 53 extending into the buffer gap 11 is named the driving end fourth rotating shaft 53. The plurality of driving end fourth rotating shafts 53 are located on the same side of the inner mounting plate 2. Each end of each fourth rotating shaft 53 is coaxially fixedly connected with a first bevel gear 61. The first bevel gear 61 and the fourth rotating shaft 53 can rotate synchronously. The end with a smaller diameter of the first bevel gear 61 is located at the end of the driving end fourth rotating shaft 53 away from the rotating cylinder 51; The transmission shaft 62 is parallel to the third direction. Two lugs 23 are fixedly connected to the outer side wall of the inner mounting plate 2. Each end of the transmission shaft 62 is correspondingly provided with a lug 23. The transmission shaft 62 is rotatably connected to the lug 23 around its own central axis. The second bevel gear 63 is coaxially fixedly connected to the transmission shaft 62. In the present disclosure, there are a plurality of second bevel gears 63. The plurality of second bevel gears 63 are spaced apart in the third direction. Each first bevel gear 61 is correspondingly meshed with a second bevel gear 63. The housing of the second motor 64 is fixedly connected to one of the lugs 23. The output shaft of the second motor 64 passes through the lug 23 and is coaxially fixedly connected to the transmission shaft 62 to drive the transmission shaft 62 to rotate by the motor; During operation, the transmission shaft 62 only needs to be rotated, and the transmission shaft 62 can drive the second bevel gear 63 to rotate, and then the second bevel gear 63 can drive the first bevel gear 61 and the rotating cylinder 51 to rotate synchronously.

[0034] Reference Figure 4 and Figure 5 In some embodiments of the present application, a dust-attaching component 7 is further included. The dust-attaching component 7 is connected to at least one side wall of the rotating cylinder 51. The dust-attaching component 7 includes a connecting strip 71, a Velcro 72 and bristles 73. The connecting strip 71 is fixedly connected to the side wall of the rotating cylinder 51 by screws. When the connecting strip 71 needs to be removed, only the screws need to be removed. The Velcro 72 includes a round fur surface 721 and a hook surface 722. The round fur surface 721 is bonded to the connecting strip 71 by glue, the hook surface 722 can be bonded to the round fur surface 721, and the bristles 73 are fixedly connected to the hook surface 722. In normal use, the bristles 73 can adhere to dust and reduce dust from entering the engine. When dust needs to be cleaned, the transmission assembly 6 drives the cylindrical shaft to rotate and shake off the dust. In this process, with the action of the elastic member 31, the dust can be shaken off more thoroughly. After long-term use, the bristles 73 can also be replaced. At this time, you only need to remove the hook surface 722 of the Velcro 72 and replace it with a new hook surface 722 and bristles 73.

[0035] The implementation principle of an engine fan in an embodiment of the present application is as follows: the inner mounting plate 2 can generate certain vibrations as the air supply assembly 4 rotates, and the elastic member 31 can offset part of the vibrations, thereby reducing the overall vibration of the engine caused by the operation of the air supply assembly 4.

[0036] The dust shielding assembly 5 can reduce the dust from entering the engine. When the dust needs to be cleaned, the transmission assembly 6 only needs to drive the rotating cylinder 51 to rotate, so that the dust can be shaken off.

[0037] The embodiment of the present application also discloses an engine cooling structure. The engine cooling structure comprises a mounting frame 41 and the aforementioned engine fan, wherein the outer frame 1 of the engine fan is connected to the mounting frame 41 by screws.

[0038] The implementation principle of an engine cooling structure in an embodiment of the present application is as follows: the engine fan has a shock-absorbing function, which can reduce the shaking of the mounting frame 41.

[0039] The embodiment of the present application further discloses an engine, which includes an engine housing and the aforementioned engine cooling structure, wherein a mounting frame 41 is fixedly connected to the engine housing by screws.

[0040] The implementation principle of an engine in an embodiment of this application is as follows: The engine fan installed on the engine housing has a shock-absorbing function, so it can reduce the amplitude of engine vibration. The above are all preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. An engine fan, characterized in that: include: Frame (1); An inner mounting plate (2), the inner mounting plate (2) being located inside the outer frame (1), and a buffer gap (11) being formed between an outer peripheral wall of the inner mounting plate (2) and an inner peripheral wall of the outer frame (1); a mounting hole (21) being formed through the inner mounting plate (2) along a first direction, the first direction being a direction perpendicular to a plate surface of the inner mounting plate (2); an air supply assembly (4), the air supply assembly (4) being connected to the inner mounting plate (2); and A shock absorbing assembly (3), wherein a plurality of shock absorbing assemblies (3) are connected between the outer frame (1) and the inner mounting plate (2); the shock absorbing assembly (3) comprises: An elastic member (31), wherein the extension and contraction direction of the elastic member (31) is perpendicular to the first direction; one end of the elastic member (31) is rotatably connected to the outer frame (1) via a first rotating shaft (33), and the other end of the elastic member (31) is rotatably connected to the inner mounting plate (2) via a second rotating shaft (34); the first rotating shaft (33) and the second rotating shaft (34) are both parallel to the first direction.

2. An engine fan according to claim 1, characterized in that: The shock absorbing assembly (3) further comprises a telescopic rod (32), one end of the telescopic rod (32) being fixedly connected to the first rotating shaft (33), and the other end of the telescopic rod (32) being fixedly connected to the second rotating shaft (34), and the telescopic direction of the telescopic rod (32) being parallel to the telescopic direction of the elastic member (31).

3. The engine fan according to claim 1, characterized in that: The air supply component (4) comprises: A mounting frame (41), the mounting frame (41) being located in the mounting hole (21), and the mounting frame (41) being fixedly connected to the inner mounting plate (2); A third rotating shaft (42), the third rotating shaft (42) is parallel to the first direction, and the third rotating shaft (42) is rotatable around its own axis and connected to the mounting frame (41); a first motor (43), the first motor (43) being connected between the third rotating shaft (42) and the mounting frame (41) to drive the third rotating shaft (42) to rotate along the mounting frame (41); and A blade (44), wherein the blade (44) is fixedly connected to the third rotating shaft (42).

4. An engine fan according to any one of claims 1 to 3, characterized in that: It also includes a dust shielding assembly (5), wherein the dust shielding assembly (5) includes: A plurality of rotating cylinders (51), wherein the rotating cylinders (51) are parallel to the second direction, the plurality of rotating cylinders (51) are spaced apart in the second direction, and an exhaust gap is formed between two adjacent rotating cylinders (51); The rotating cylinder (51) is rotatably connected to the rotating cylinder (51) via a fourth rotating shaft (53), and the fourth rotating shaft (53) is parallel to the rotating cylinder (51); The dust blocking assembly (5) and the air supply assembly (4) are distributed in a first direction.

5. The engine fan according to claim 4, characterized in that: The cross section of the rotating cylinder (51) along a direction perpendicular to its length is a polygon.

6. The engine fan according to claim 4, characterized in that: It also includes a transmission assembly (6), wherein the transmission assembly (6) includes: A first bevel gear (61), the first bevel gear (61) being coaxially fixedly connected to the fourth rotating shaft (53); a transmission shaft (62), the transmission shaft (62) being parallel to the third direction, the transmission shaft (62) being rotatably connected to the inner mounting plate (2) around its own axis; and A plurality of second bevel gears (63), wherein the second bevel gears (63) are coaxially fixedly connected to the transmission shaft (62), and each of the second bevel gears (63) is meshed with a corresponding one of the first bevel gears (61).

7. The engine fan according to claim 6, characterized in that: The transmission assembly (6) further comprises a second motor (64), wherein the second motor (64) is connected between the transmission shaft (62) and the inner mounting plate (2) so as to drive the transmission shaft (62) to rotate along the inner mounting plate (2).

8. The engine fan according to claim 7, characterized in that: It also includes a dust attachment component (7), wherein the dust attachment component (7) includes: Velcro (72); and, Bristles (73), wherein the bristles (73) are connected to the rotating cylinder (51) via the Velcro (72).

9. An engine cooling structure, characterized in that: The invention comprises the engine fan as described in any one of claims 1 to 8.

10. An engine, characterized in that: Including the engine cooling structure as described in claim 9.

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