Swing mechanism of fan

Abstract

The utility model discloses a swinging mechanism of a fan, the fan comprises a machine head assembly and a supporting assembly, the machine head assembly and the supporting assembly are connected in a relatively rotating mode through the swinging mechanism, and the swinging mechanism comprises a driving assembly, a support and a driven piece; the driving assembly is in transmission connection with the input end of the driven part; the output end of the driven part penetrates through the support to be in transmission connection with the supporting assembly, and the driven part and the support are coaxially arranged. The machine head assembly and the driving assembly are connected with the support. In the axial direction of the driven piece, a rolling supporting piece is clamped between the driven piece and the support and / or between the support and the supporting assembly. The rotating fluency and stability between the machine head assembly and the supporting assembly can be improved.

Description

Technical Field

[0001] This utility model relates to the field of fans, and in particular to a fan oscillation mechanism. Background Technology

[0002] Existing fan products, when oscillating left and right, rely on plastic components at the fan's shaft. These components bear weight, and rolling friction occurs between adjacent components. Using plastic components can lead to uneven stress and component deformation during oscillation due to factors such as high friction between components, significant shifts in the product's center of gravity, and large clearance tolerances. Furthermore, insufficient rigidity can cause overall vibration and jamming of the fan head and fan blades, resulting in abnormal noise and negatively impacting the user experience. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a fan oscillation mechanism to improve the smoothness of fan rotation.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] A fan oscillation mechanism, the fan including a head assembly and a support assembly, the head assembly and the support assembly being rotatably connected relative to each other via the oscillation mechanism, the oscillation mechanism including a drive assembly, a bracket and a follower;

[0006] The drive assembly is connected to the input end of the driven component.

[0007] The output end of the driven member passes through the bracket and is connected to the support assembly in a transmission manner, and the driven member and the bracket are coaxially arranged;

[0008] The head assembly and the drive assembly are respectively connected to the bracket;

[0009] A rolling support is sandwiched between the driven member and the bracket and / or between the bracket and the support assembly along the axial direction of the driven member.

[0010] Furthermore, in the axial direction of the driven member, the rolling support is embedded in at least one side of the bracket.

[0011] Furthermore, the drive assembly includes a drive motor and a drive gear;

[0012] The drive motor is connected to the driving gear, the driving gear is connected to the driven member, and the fixed end of the drive motor is connected to the bracket.

[0013] Furthermore, the fixed end of the drive motor is detachably connected to the bracket.

[0014] Furthermore, the fixed end of the drive motor is provided with a limiting groove distributed circumferentially along the driven member, and the axial end face of the driven member has an outwardly protruding limiting key;

[0015] The limiting key is embedded in the limiting groove and can be rotatably set along the limiting groove.

[0016] Furthermore, in the axial direction of the driven member, the end face of the rolling support is flush with the end face of the bracket, or the end face of the rolling support protrudes outward relative to the end face of the bracket.

[0017] Furthermore, the head assembly is snapped into the bracket.

[0018] Furthermore, the driven member includes a toothed portion and a transmission portion that are coaxially arranged and connected in sequence;

[0019] The toothed portion is connected to the drive assembly in a transmission manner;

[0020] In the axial direction of the driven member, the end face of the toothed portion abuts against the rolling support member, and the transmission portion extends away from the toothed portion and is embedded in the support assembly.

[0021] Furthermore, the driven member is keyed to the support assembly.

[0022] Furthermore, the swing mechanism also includes an end cap;

[0023] The end cap engages with the end of the bracket furthest from the drive assembly.

[0024] The beneficial effects of this invention are as follows: By providing rolling support members between the driven member and the support assembly and / or between the support assembly and the support component, the frictional resistance between the driven member and the support assembly is reduced, improving the rotational smoothness between them. Furthermore, the rigidity between structural components is increased, enhancing the support capacity for the head assembly. This invention improves the rotational smoothness and stability between the head assembly and the support assembly, preventing vibration. Attached Figure Description

[0025] Figure 1 This is a cross-sectional view of the oscillation mechanism of the fan in this utility model;

[0026] Figure 2 This is an exploded view of the oscillation mechanism of the fan in this utility model;

[0027] Figure 3 for Figure 2 A sectional view.

[0028] Label Explanation:

[0029] 1. Head assembly; 2. Support assembly;

[0030] 3. Drive assembly; 31. Drive motor; 311. Limiting groove; 32. Drive gear;

[0031] 4. Bracket;

[0032] 5. Driven component; 51. Limit key; 52. Toothed part; 53. Transmission part;

[0033] 6. Rolling support; 7. End cap. Detailed Implementation

[0034] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0035] Please refer to Figures 1-3 A fan oscillation mechanism is disclosed. The fan includes a head assembly 1 and a support assembly 2, which are rotatably connected relative to each other via an oscillation mechanism. The oscillation mechanism includes a drive assembly 3, a bracket 4, and a follower 5. The drive assembly 3 is drivenly connected to the input end of the follower 5. The output end of the follower 5 passes through the bracket 4 and is drivenly connected to the support assembly 2, and the follower 5 and the bracket 4 are coaxially arranged. The head assembly 1 and the drive assembly 3 are respectively connected to the bracket 4. A rolling support 6 is sandwiched between the follower 5 and the bracket 4 and / or between the bracket 4 and the support assembly 2 along the axial direction of the follower 5.

[0036] It is understood that by providing a rolling support 6 between the driven member 5 and the support 4 and / or between the support 4 and the support assembly 2, the frictional resistance between the driven member 5 and the support assembly 2 is reduced, improving the rotational smoothness between them. Furthermore, the rigidity between the structural components is increased, enhancing the support capacity for the head assembly 1. This invention improves the rotational smoothness and stability between the head assembly 1 and the support assembly 2, preventing vibration.

[0037] In some embodiments, a rolling support 6 is embedded in at least one side of the bracket 4 along the axial direction of the follower 5. Preferably, the rolling support 6 is a metal ball bearing, used to improve the load-bearing capacity of the head assembly 1, avoid the phenomenon of unbalanced force on the head assembly 1, and thus improve the stability of the head assembly 1. Further, a rolling support 6 is embedded on each side of the bracket 4 along the axial direction of the follower 5.

[0038] In some embodiments, the drive assembly 3 includes a drive motor 31 and a drive gear 32; the drive motor 31 is driveably connected to the drive gear 32, and the drive gear 32 is driveably connected to the driven member 5. The fixed end of the drive motor 31 is connected to the bracket 4. The arrangement of the drive motor 31 and the drive gear 32 allows the drive gear 32 and the driven member 5 to rotate relative to each other, thereby driving the head assembly 1 to rotate relative to the support assembly 2. During the relative rotation of the head assembly 1 and the support assembly 2, the drive motor 31 and the drive gear 32 act as the drive components of the head assembly 1, while the driven member 5 acts as the transmission component. Preferably, the drive motor 31 is a stepper motor.

[0039] In some embodiments, the fixed end of the drive motor 31 is detachably connected to the bracket 4, so that the drive motor 31 and the bracket 4 form an integral structure. During the process of the drive motor 31 driving the drive gear 32 to rotate relative to the driven member 5, the bracket 4 will rotate with the drive motor 31 relative to the driven member 5. Preferably, the drive motor 31 is detachably connected to the bracket 4 by screws.

[0040] In some embodiments, the fixed end of the drive motor 31 is provided with a limiting groove 311 distributed circumferentially along the follower 5, and the axial end face of the follower 5 has an outwardly protruding limiting key 51; the limiting key 51 is embedded in the limiting groove 311 and is rotatably disposed along the limiting groove 311. Specifically, the limiting groove 311 is formed on the housing of the drive motor 31, and the limiting groove 311 is not a complete circle, that is, the limiting groove 311 is arc-shaped, so that the limiting member can abut against the two ends of the limiting groove 311 to achieve limiting, thereby limiting the relative rotation angle between the head assembly 1 and the support assembly 2. Preferably, the limiting groove 311 is provided to penetrate the housing of the drive motor 31 in the axial direction of the follower 5.

[0041] In some embodiments, in the axial direction of the follower 5, the end face of the rolling support 6 is flush with the end face of the bracket 4, or the end face of the rolling support 6 protrudes outward relative to the end face of the bracket 4. Preferably, the end face of the rolling support 6 is flush with the end face of the bracket 4, thereby improving the flatness between the contact end faces of the bracket 4 and the rolling support 6 with the support assembly 2, and between the contact end faces of the bracket 4 and the rolling support 6 with the follower 5, thereby improving structural stability.

[0042] In some embodiments, the head assembly 1 is snapped into the bracket 4 to improve structural stability.

[0043] In some embodiments, the follower 5 is keyed to the support assembly 2 to ensure consistent movement between the follower 5 and the support assembly. Optionally, the follower 5 and the support assembly 2 are connected by a flat key, spline, or semi-circular key; preferably, the follower 5 and the support assembly 2 are connected by a flat key.

[0044] In some embodiments, the driven member 5 includes a toothed portion 52 and a transmission portion 53 coaxially arranged and sequentially connected; the toothed portion 52 is drive-connected to the drive assembly 3; in the axial direction of the driven member 5, the end face of the toothed portion 52 abuts against the rolling support member 6, and the transmission portion 53 extends away from the toothed portion 52 and is embedded in the support assembly 2. The toothed portion 52 meshes with the drive gear 32 to generate relative rotation, while the transmission portion 53 is drive-connected to the support assembly 2, thereby causing the driven member 5 to drive the support assembly 2 to rotate synchronously relative to the drive assembly 3. Preferably, the toothed portion 52 and the transmission portion 53 are integrally formed, and a flat key is disposed on the inner wall of one end of the transmission key and the support assembly 2.

[0045] In some embodiments, the swing mechanism further includes an end cap 7; the end cap 7 is engaged with the end of the bracket 4 away from the drive assembly 3. The end cap 7 is provided to improve sealing and protect the internal structural components of the drive assembly 3 and the bracket 4.

[0046] Embodiment 1 of this utility model is as follows:

[0047] A fan oscillation mechanism is disclosed. The fan includes a head assembly 1 and a support assembly 2, which are rotatably connected relative to each other via an oscillation mechanism. The oscillation mechanism includes a drive assembly 3, a bracket 4, and a driven member 5. The drive assembly 3 is drivenly connected to the input end of the driven member 5. The output end of the driven member 5 passes through the bracket 4 and is drivenly connected to the support assembly 2, and the driven member 5 and the bracket 4 are coaxially arranged. The head assembly 1 and the drive assembly 3 are respectively connected to the bracket 4. A rolling support member 6 is sandwiched between the driven member 5 and the bracket 4 and between the bracket 4 and the support assembly 2 along the axial direction of the driven member 5. The upper end of the support assembly 2 is embedded in the bracket 4, and the outer wall of the support assembly 2 does not directly contact the inner wall of the bracket 4, but rather they are in contact through two rolling support members 6.

[0048] In this embodiment, the rolling support 6 is embedded on both sides of the bracket 4 along the axial direction of the driven member 5. Preferably, the rolling support 6 is a ball bearing made of metal.

[0049] In this embodiment, the drive assembly 3 includes a drive motor 31 and a drive gear 32; the drive motor 31 is drive-connected to the drive gear 32, and the drive gear 32 is drive-connected to the driven member 5. The fixed end of the drive motor 31 is connected to the bracket 4. The arrangement of the drive motor 31 and the drive gear 32 enables the drive gear 32 and the driven member 5 to rotate relative to each other, thereby driving the head assembly 1 to rotate relative to the support assembly 2. Preferably, the drive motor 31 is a stepper motor.

[0050] In this embodiment, the drive motor 31 is detachably connected to the bracket 4 by screws.

[0051] In this embodiment, the fixed end of the drive motor 31 is provided with a limiting groove 311 distributed circumferentially along the follower 5, and the axial end face of the follower 5 has an outwardly protruding limiting key 51; the limiting key 51 is embedded in the limiting groove 311 and is rotatably disposed along the limiting groove 311. Specifically, the limiting groove 311 is formed on the housing of the drive motor 31, the limiting groove 311 is arc-shaped, and the limiting groove 311 is disposed through the housing of the drive motor 31 in the axial direction of the follower 5.

[0052] In this embodiment, the end face of the rolling support 6 is flush with the end face of the bracket 4 in the axial direction of the follower 5.

[0053] In this embodiment, the head assembly 1 is snapped into the bracket 4.

[0054] In this embodiment, the driven member 5 and the support assembly 2 are connected by a flat key. The driven member 5 includes a toothed portion 52 and a transmission portion 53 coaxially arranged and connected in sequence. The toothed portion 52 is drive-connected to the drive assembly 3. In the axial direction of the driven member 5, the end face of the toothed portion 52 abuts against the rolling support member 6, and the transmission portion 53 extends away from the toothed portion 52 and is embedded in the support assembly 2. The toothed portion 52 is used to mesh with the driving gear 32 to generate relative rotation, while the transmission portion 53 is used to drive the support assembly 2, thereby causing the driven member 5 to drive the support assembly 2 to rotate synchronously relative to the drive assembly 3. Preferably, the toothed portion 52 and the transmission portion 53 are integrally formed, and a flat key is provided on the inner wall of one end of the transmission key and the support assembly 2.

[0055] In this embodiment, the swing mechanism also includes an end cap 7; the end cap 7 is engaged with the end of the bracket 4 away from the drive assembly 3.

[0056] The working principle of this utility model is as follows:

[0057] The drive motor 31 drives the drive gear 32 to rotate relative to the driven member 5 and the support assembly 2, so that the drive motor 31 drives the bracket 4 and the machine head to rotate relative to the support assembly 2. During this process, the driven member 5 and the bracket 4 rotate relative to each other through the rolling support member 6, and the bracket 4 and the support assembly 2 also rotate relative to each other through the rolling support member 6.

[0058] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A swing mechanism for a fan, the fan comprising a head assembly and a support assembly, the head assembly and the support assembly being rotatably connected relative to each other via the swing mechanism, characterized in that, The swing mechanism includes a drive assembly, a support, and a driven component; The drive assembly is connected to the input end of the driven member. The output end of the driven member passes through the bracket and is connected to the support assembly in a transmission manner, and the driven member and the bracket are coaxially arranged; The head assembly and the drive assembly are respectively connected to the bracket; A rolling support is sandwiched between the driven member and the bracket and / or between the bracket and the support assembly along the axial direction of the driven member.

2. The oscillation mechanism of a fan according to claim 1, characterized in that, The rolling support is embedded in at least one side of the bracket along the axial direction of the driven member.

3. The oscillation mechanism of a fan according to claim 1, characterized in that, The drive assembly includes a drive motor and a drive gear; The drive motor is connected to the driving gear, the driving gear is connected to the driven member, and the fixed end of the drive motor is connected to the bracket.

4. The oscillation mechanism of a fan according to claim 3, characterized in that, The fixed end of the drive motor is detachably connected to the bracket.

5. The oscillation mechanism of a fan according to claim 3, characterized in that, The fixed end of the drive motor is provided with a limiting groove distributed circumferentially along the driven member, and the axial end face of the driven member has an outwardly protruding limiting key. The limiting key is embedded in the limiting groove and can be rotatably set along the limiting groove.

6. The oscillation mechanism of a fan according to claim 1 or 2, characterized in that, In the axial direction of the driven member, the end face of the rolling support is flush with the end face of the bracket, or the end face of the rolling support protrudes outward relative to the end face of the bracket.

7. The oscillation mechanism of a fan according to claim 1, characterized in that, The head assembly is snapped into the bracket.

8. The oscillation mechanism of a fan according to claim 1, characterized in that, The driven member includes a toothed portion and a transmission portion that are coaxially arranged and connected in sequence; The toothed portion is connected to the drive assembly in a transmission manner; In the axial direction of the driven member, the end face of the toothed portion abuts against the rolling support member, and the transmission portion extends away from the toothed portion and is embedded in the support assembly.

9. The oscillation mechanism of a fan according to claim 1, characterized in that, The driven member is keyed to the support component.

10. The oscillation mechanism of a fan according to claim 1, characterized in that, The swing mechanism also includes an end cap; The end cap engages with the end of the bracket furthest from the drive assembly.

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