Ball type oscillating structure and fan

Abstract

The invention discloses a ball type head shaking structure and a fan, and belongs to the technical field of fans, the ball type head shaking structure comprises a fixed disc and a rotating disc, the rotating disc is coaxially and rotatably mounted on the fixed disc, the fixed disc is provided with a through and arc-shaped fixed guide groove, the rotating disc is fixedly provided with a rotating guide rod, and the rotating guide rod is fixedly connected with the rotating disc. The rotating guide rod penetrates through the fixed guide groove and is in sliding fit with the fixed guide groove, and the fixed disc is provided with a driving mechanism for driving the rotating guide rod to slide in the fixed guide groove in a reciprocating mode. A plurality of containing grooves are formed in the side, facing the rotating disc, of the fixed disc, fixed balls are arranged in the containing grooves in a rolling fit mode, and the fixed balls are in rolling fit with the rotating disc. The fan head shaking mechanism has the advantages that the motion smoothness and durability of the head shaking mechanism are improved, and therefore the phenomena of shaking, blocking and the like are not prone to occurring in the fan head shaking process.

Description

Technical Field

[0001] This invention relates to the field of fans, and in particular to a ball bearing type oscillating structure and fan. Background Technology

[0002] In the field of fan technology, oscillation is an important function of fans, which can expand the airflow range of the fan and improve its performance and comfort. Currently, most fans on the market rely on a mechanical transmission system consisting of a motor, gearbox, and linkage for their oscillation function.

[0003] The mechanical transmission system, consisting of a motor, gearbox, and connecting rod, has numerous friction points between its components during the fan's oscillation motion. Over time, these friction points are prone to wear, leading to a decrease in oscillation accuracy. This can cause the fan to wobble or jam during oscillation, affecting its normal operation and lifespan. Summary of the Invention

[0004] To address the issues of poor reliability and short lifespan caused by mechanical wear in existing fan oscillation structures, this application provides a ball bearing oscillation structure and a fan.

[0005] In the first aspect, this application provides a ball bearing type rocking structure, which adopts the following technical solution: A ball bearing type oscillating structure includes a fixed disk and a rotating disk. The rotating disk is coaxially rotatably mounted on the fixed disk. The fixed disk has a through-hole, arc-shaped fixed guide groove. A rotating guide rod is fixedly mounted on the rotating disk. The rotating guide rod passes through the fixed guide groove and slides in cooperation with the fixed guide groove. The fixed disk is provided with a drive mechanism to drive the rotating guide rod to reciprocate within the fixed guide groove. The fixed disk has multiple receiving grooves on the side facing the rotating disk. Each receiving groove contains a fixed ball bearing that rolls in cooperation with the rotating disk.

[0006] By adopting the above technical solution, the drive mechanism pushes the rotating guide rod to slide back and forth along the arc-shaped guide groove of the fixed disk, causing the rotating disk to rotate relative to the fixed disk. Thus, when the fan is fixed to the rotating disk, the fan oscillates. During the rotation of the rotating disk, the fixed balls in each receiving groove roll with the rotation of the rotating disk, thereby transforming the traditional sliding friction into rolling friction. This significantly reduces the friction between the rotating disk and the fixed disk and the possible wear, which is beneficial to improving the smoothness and durability of the oscillation mechanism. As a result, the fan is less prone to shaking or jamming during the oscillation process. Furthermore, the multiple balls distribute the load to ensure the stability of the fixed disk's support for the rotating disk, which is conducive to ultimately achieving the technical effect of ensuring the operational reliability of the fan oscillation function and guaranteeing its service life.

[0007] Optionally, a rotating limiting groove with a closed front-to-back shape is provided on the side of the rotating disk facing the fixed disk, and each of the fixed balls rolls and engages within the rotating limiting groove.

[0008] By adopting the above technical solution, the rotating limiting groove forms a closed annular track, providing a continuous and precise rolling path for each fixed ball, so that the ball always rolls smoothly along the predetermined trajectory when the rotating disk rotates, effectively preventing the fixed ball from dislodging.

[0009] Optionally, each of the accommodating grooves is provided with an accommodating block, each of the accommodating blocks is rotatably fitted with a block screw, each of the block screws passes through along the axis of the fixed disk and is threaded onto the side of the fixed disk away from the rotating disk, and the groove diameter at the opening of the accommodating groove is smaller than the diameter of the fixed ball.

[0010] By adopting the above technical solution, the height position of the fixed balls in each receiving groove can be independently and precisely adjusted by turning the support block screw. This makes it easier to ensure that the contact surface between each fixed ball and the rotating disk is evenly stressed, avoiding local wear. At the same time, the fixed balls are not easy to fall out of the receiving groove, which helps to further ensure the rolling stability of the fixed balls.

[0011] Optionally, the rotating guide rod is rotatably connected to a rotating bearing, and the rotating bearing is in rolling contact with the wall of the fixed guide groove.

[0012] By adopting the above technical solution, the sliding contact between the rotating guide rod and the fixed guide groove is changed to rolling contact, which reduces the friction force when the rotating guide rod moves, and helps to further improve the smoothness and stability of the rotating disk.

[0013] Optionally, the driving mechanism includes a drive motor, a drive turntable, and a drive rod. The drive motor is used to drive the drive turntable to rotate. The drive rod is fixedly installed on the drive turntable and eccentrically positioned with respect to the drive turntable. A drive connecting rod is coaxially mounted on the side of the fixed plate away from the turntable. One end of the drive connecting rod is installed on a fixed guide rod. A drive groove extending along its own length is provided on the side of the drive connecting rod away from the fixed plate. The drive rod slides and engages with the drive groove.

[0014] By adopting the above technical solution, the drive motor drives the drive turntable to rotate, so that the eccentrically set drive rod moves in the drive groove of the drive connecting rod, thereby causing the drive connecting rod to drive the rotating guide rod to oscillate back and forth in the fixed guide groove, which is convenient and stable.

[0015] Optionally, the driving mechanism includes a drive motor, a drive turntable, a drive rod, and a connecting rod. The drive motor drives the drive turntable to rotate. A drive connecting rod is coaxially mounted on the side of the fixed disk away from the turntable. One end of the drive connecting rod is mounted on the fixed guide rod. The drive rod is mounted on the drive turntable and eccentrically disposed with respect to the drive turntable. The drive turntable is provided with a motion component that drives the drive rod to move in its own radial direction. One end of the connecting rod is rotatably mounted on the drive rod, and the other end is rotatably mounted on the drive connecting rod.

[0016] By adopting the above technical solution, the drive motor drives the drive turntable to rotate, and the drive rod drives the drive linkage to swing back and forth through the connecting rod, thereby causing the fixed guide rod to drive the turntable to move back and forth, which is convenient and stable. Moreover, the radial position of the drive rod can be adjusted by setting the motion components, which makes it easy to flexibly adjust the range of sway angle and has strong applicability.

[0017] Optionally, the motion component includes a motion motor and a motion lead screw. The motion lead screw is rotatably mounted on the drive turntable and arranged along the radial direction of the drive turntable. The motion motor is used to drive the motion lead screw to rotate. The motion lead screw passes through and is threaded into the drive rotating rod. The drive rotating rod is slidably engaged with the drive turntable.

[0018] By adopting the above technical solution, when the motion motor drives the motion screw to rotate, the drive rotor is adjusted along the radial direction of the drive turntable due to the threaded engagement with the motion screw and the limiting action of the drive turntable, which is convenient and stable.

[0019] Optionally, the motion component further includes a first bevel gear and a second bevel gear. A drive sleeve is coaxially fixedly mounted on the drive turntable. The drive motor is used to drive the drive sleeve to rotate. The shaft of the motion motor passes through and rotates in sequence with the drive sleeve and the drive turntable. The first bevel gear is coaxially fixedly mounted on the shaft of the motion motor. The second bevel gear is coaxially fixedly mounted on the motion screw and meshes with the first bevel gear.

[0020] By adopting the above technical solution, when the drive motor drives the first bevel gear to rotate, the second bevel gear drives the moving lead screw to rotate together, thereby ultimately realizing the radial adjustment of the position of the drive rod, which is convenient, stable and makes the overall structure compact and efficient.

[0021] Optionally, a drive worm is fixedly mounted on the output end of the drive motor, and a drive worm wheel is fixedly mounted coaxially on the drive sleeve, with the drive worm wheel meshing with the drive worm.

[0022] By adopting the above technical solution, the drive motor drives the drive worm to rotate, and the drive worm meshes with the drive worm wheel on the drive sleeve. Utilizing the inherent self-locking characteristics and high reduction ratio of the worm wheel mechanism, it is beneficial to achieve smooth rotation of the drive sleeve and the drive turntable, and ultimately achieve stable reciprocating oscillation of the turntable.

[0023] Secondly, this application provides a fan, which adopts the following technical solution: A fan comprising the aforementioned ball bearing oscillating structure.

[0024] By adopting the above technical solution, the fan with the aforementioned ball bearing oscillation structure utilizes the rolling friction between the fixed disc and the rotating disc during the fan head oscillation process, which significantly reduces the wear that may occur during the fan oscillation process and improves the stability and reliability of the fan oscillation movement.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. The fixed balls in each receiving slot roll as the rotating disk rotates, thus transforming traditional sliding friction into rolling friction. This significantly reduces the friction between the rotating disk and the fixed disk and the potential wear, which helps improve the smoothness and durability of the oscillation mechanism. As a result, the fan is less prone to shaking or jamming during oscillation.

[0026] 2. The rotating limiting groove forms a closed circular track, providing a continuous and precise rolling path for each fixed ball, so that the ball always rolls smoothly along the predetermined trajectory when the rotating disk rotates, effectively preventing the fixed ball from dislodging.

[0027] 3. By turning the support block screw, the height position of the fixed ball in each receiving groove can be independently and precisely adjusted, which makes it easier to ensure that the contact surface between each fixed ball and the rotating disk is evenly stressed, avoids local wear, and the fixed ball is not easy to fall out of the receiving groove, which helps to further ensure the rolling stability of the fixed ball position. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this application.

[0029] Figure 2 This is an exploded view of the fixed disk and the turntable in Embodiment 1 of this application.

[0030] Figure 3 This is a partial cross-sectional schematic diagram of the fixed disk and the turntable in Embodiment 1 of this application.

[0031] Figure 4 This is a schematic diagram of the overall structure of Embodiment 2 of this application.

[0032] Figure 5This is a schematic diagram of the main structure of the motion component in Embodiment 2 of this application.

[0033] Explanation of reference numerals in the attached figures: 1. Fixed plate; 2. Rotating plate; 3. Fixed guide groove; 4. Rotating guide rod; 5. Rotating bearing; 6. Receiving groove; 7. Fixed ball bearing; 8. Receiving support block; 9. Placement groove; 10. Support block screw; 11. Alternating groove; 12. Rotation limit groove; 13. Drive motor; 14. Drive turntable; 15. Drive rotating rod; 16. Drive connecting rod; 17. Drive slide groove; 18. Drive bearing; 19. Connecting rod; 20. Drive frame; 21. Motion motor; 22. Motion lead screw; 23. First bevel gear; 24. Second bevel gear; 25. Rotating rod base; 26. Rotating rod part; 27. Frame slide groove; 28. Drive sleeve; 29. ​​Drive worm gear; 30. Drive worm wheel. Detailed Implementation

[0034] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0035] This application discloses a ball bearing type rocking structure. Example 1

[0036] Reference Figure 1 and Figure 2 The ball bearing type oscillating structure includes a fixed disk 1 and a rotating disk 2. In this embodiment, the rotating disk 2 is coaxially rotatably mounted on the top of the fixed disk 1. The top of the fixed disk 1, i.e. the side of the fixed disk 1 facing the rotating disk 2, is provided with a through fixed guide groove 3. The fixed guide groove 3 is an arc shape extending radially along the fixed disk 1 with the axis of the fixed disk 1 as the axis.

[0037] Reference Figure 2 and Figure 3 A rotating guide rod 4 is fixedly installed at the bottom of the rotating disk 2 along its own axis. The rotating guide rod 4 passes through the fixed guide groove 3 and slides in cooperation with the fixed guide groove 3. In order to ensure the running stability of the rotating guide rod 4 when rotating in the fixed guide groove 3, a rotating bearing 5 is rotatably connected to the outer circumference of the rotating guide rod 4. The rotating bearing 5 rolls in cooperation with the groove wall of the fixed guide groove 3.

[0038] Reference Figure 2 The fixed disk 1 has multiple accommodating grooves 6 evenly distributed around its own axis on the side facing the rotating disk 2. In this embodiment, the number of accommodating grooves 6 is set to six. Each accommodating groove 6 is fitted with a fixed ball 7, and each fixed ball 7 is fitted with the rotating disk 2. This allows the fixed ball 7 in each accommodating groove 6 to roll along with the rotating disk 2 during rotation, thereby converting traditional sliding friction into rolling friction and significantly reducing the friction between the rotating disk 2 and the fixed disk 1 and the possible wear.

[0039] Reference Figure 3 Furthermore, each receiving groove 6 is provided with a receiving support block 8, and the top of the receiving support block 8 is provided with a placement groove 9 that matches the shape of the fixed ball 7, so as to achieve a stable method for fixing the ball 7. Each receiving support block 8 is rotatably fitted with a support block screw 10 at its bottom. Each support block screw 10 passes through the axis of the fixed disk 1 and is threaded into the side of the fixed disk 1 away from the rotating disk 2, so that when force is applied to rotate the support block, the height position of the fixed ball 7 in each receiving groove 6 can be independently and precisely adjusted, thereby ensuring that the contact surface between each fixed ball 7 and the rotating disk 2 is evenly stressed and avoiding local wear.

[0040] Reference Figure 2 and Figure 3 The bottom of the fixed disk 1 has a ring-shaped clearance groove 11. The end of each support screw 10 protruding from the fixed disk 1 is located within the clearance groove 11, preventing interference between the support screw 10 and other components. The diameter of the groove opening of the receiving groove 6 is smaller than the diameter of the fixed ball 7, preventing the fixed ball 7 from easily dislodging from the receiving groove 6. To further ensure the stability of the fixed ball 7's position during rolling, the bottom of the rotating disk 2, i.e., the side of the rotating disk 2 facing the fixed disk 1, has a ring-shaped rotation limiting groove 12 that is closed at the top and bottom. The fixed balls 7 in each receiving groove 6 roll and engage within the rotation limiting groove 12.

[0041] Reference Figure 3 The fixed disk 1 is equipped with a drive mechanism that drives the rotating guide rod 4 to reciprocate within the fixed guide groove 3, so as to ultimately realize the reciprocating oscillation of the rotating disk 2. In this embodiment, the drive mechanism includes a drive motor 13, a drive turntable 14, and a drive rod 15, wherein the drive turntable 14 is fixedly installed at the output end of the drive motor 13 so that the drive motor 13 is used to drive the drive turntable 14 to rotate.

[0042] Continue to refer to Figure 3The drive turntable 14 is located at the bottom of the fixed disk 1, and the axis of the drive turntable 14 is parallel to the axis of the fixed disk 1. The drive rod 15 is fixedly installed on the top of the drive turntable 14 and is eccentrically set with respect to the drive turntable 14. A drive connecting rod 16 is coaxially rotatably installed on the side of the fixed disk 1 away from the rotating disk 2. One end of the drive connecting rod 16 is fixedly installed on the fixed guide rod. The bottom of the free end of the drive connecting rod 16 away from the fixed guide rod has a drive groove 17 extending along its own length. The drive rod 15 slides and engages in the drive groove 17, so that when the drive motor 13 drives the drive turntable 14 to rotate, the drive rod 15 moves in the drive groove 17 of the drive connecting rod 16, thereby causing the drive connecting rod 16 to drive the rotating guide rod 4 to reciprocate within the fixed guide groove 3, which is convenient and stable. To ensure the stability of the drive rod 15 when it rotates in the drive groove 17, a drive bearing 18 is rotatably connected to the outer circumference of the drive rod 15, and the drive bearing 18 rolls with the groove wall of the drive groove 17.

[0043] The implementation principle of Example 1 is as follows: The drive motor 13 drives the drive turntable 14 to rotate, which in turn pushes the rotating guide rod 4 to slide back and forth along the arc-shaped guide groove of the fixed plate 1, thereby driving the turntable 2 to rotate relative to the fixed plate 1. Thus, when the fan is fixed to the turntable 2, the fan oscillates. During the rotation of the turntable 2, the fixed balls 7 in each receiving groove 6 roll with the rotation of the turntable 2, thereby converting the traditional sliding friction into rolling friction. This significantly reduces the friction between the turntable 2 and the fixed plate 1 and the possible wear, which is beneficial to improving the smoothness and durability of the oscillation mechanism. This makes it less likely for the fan to shake or jam during the oscillation process. In addition, the multiple balls distribute the load to ensure the stability of the fixed plate 1 supporting the turntable 2, which is conducive to ultimately achieving the technical effect of ensuring the operational reliability of the fan oscillation function and ensuring its service life. Example 2

[0044] Reference Figure 4 and Figure 5 The difference between this embodiment and embodiment 1 is that the specific configuration of the driving mechanism is different. In this embodiment, the driving mechanism includes a driving motor 13, a driving turntable 14, a driving rod 15 and a connecting rod 19. The driving turntable 14 is located at the bottom of the fixed disk 1 and is fixedly connected to the output end of the driving motor 13 so that the driving motor 13 is used to drive the driving turntable 14 to rotate.

[0045] Reference Figure 4A drive rod 15 is mounted on the top of the drive turntable 14 and eccentrically positioned therebetween. The drive turntable 14 is equipped with a motion assembly that drives the drive rod 15 to move radially. A drive connecting rod 16 is coaxially mounted on the side of the fixed disk 1 away from the rotating disk 2, with one end of the drive connecting rod 16 fixedly mounted to the fixed guide rod. One end of the connecting rod 19 is rotatably mounted to the drive rod 15, and the other end is rotatably mounted to the end of the drive connecting rod 16 away from the fixed guide rod. This allows the drive motor 13 to drive the drive turntable 14 to rotate, and the drive rod 15, through the connecting rod 19, drives the drive connecting rod 16 to reciprocate, thereby causing the fixed guide rod to drive the rotating disk 2 to reciprocate, facilitating stability.

[0046] Reference Figure 4 and Figure 5 The motion assembly includes a motion motor 21, a motion lead screw 22, a first bevel gear 23, and a second bevel gear 24. A drive frame 20, arranged radially along its own direction, is fixedly mounted on the top of the drive turntable 14. The motion lead screw 22 is arranged radially along the drive turntable 14, passing through and rotatably mounted on the drive frame 20; that is, the motion lead screw 22 is rotatably mounted on the top of the drive turntable 14. The drive rod 15 includes a rod base 25 and a rod portion 26. The rod portion 26 is fixedly mounted on the top of the rod base 25 and rotatably engages with the connecting rod 19.

[0047] Reference Figure 5 The moving lead screw 22 is threaded through and screwed into the rotating rod base 25. The drive frame 20 is provided with a frame slide groove 27 extending radially along the drive turntable 14. The bottom of the rotating rod base 25 is slidably engaged with the drive turntable 14, and the sides are slidably engaged with the frame slide groove 27, so that when the moving lead screw 22 rotates, the rotating base drives the rotating rod part 26 to move stably along the radial direction of the drive turntable 14 under the limiting action of the frame slide groove 27 and the drive turntable 14.

[0048] Reference Figure 4 and Figure 5 A drive sleeve 28 is coaxially fixedly installed at the bottom of the drive turntable 14. The shaft of the motion motor 21 passes through and rotates in sequence with the drive sleeve 28 and the drive turntable 14. The first bevel gear 23 is coaxially fixedly installed on the shaft of the motion motor 21 and located at the top of the drive turntable 14. The second bevel gear 24 is coaxially fixedly installed on one end of the motion screw 22 and meshes with the first bevel gear 23, so that the motion motor 21 stably drives the motion screw 22 to rotate through the meshing of the first bevel gear 23 and the second bevel gear 24.

[0049] Reference Figure 5A drive worm 29 is fixedly installed at the output end of the drive motor 13, and a drive worm wheel 30 is fixedly installed coaxially on the drive sleeve 28. The drive worm wheel 30 meshes with the drive worm 29, so that the drive motor 13 stably drives the drive sleeve 28 and the drive turntable 14 to rotate through the cooperation of the drive worm 29 and the drive worm wheel 30. By utilizing the inherent self-locking characteristics and high reduction ratio of the worm gear mechanism, it is easy to finally realize the stable reciprocating oscillation of the turntable 2.

[0050] The implementation principle of Example 2 is the same as that of Example 1. The main difference is that the radial position of the drive rod 15 can be precisely adjusted by rotating the lead screw 22, thereby achieving flexible adjustment of the sway angle range and making it highly applicable.

[0051] This application also discloses a fan. The fan includes a ball bearing oscillating structure as described in any of the above embodiments. The fan head is fixedly mounted on the rotating disk 2, so that the rolling friction of the balls between the fixed disk 1 and the rotating disk 2 can be utilized during the oscillation of the fan head, which can significantly reduce the wear that may occur during the oscillation process and improve the stability and reliability of the fan oscillation movement.

[0052] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A ball-bearing type oscillating structure, characterized in that: The device includes a fixed disk (1) and a rotating disk (2). The rotating disk (2) is coaxially mounted on the fixed disk (1). The fixed disk (1) has a through-hole fixed guide groove (3) arranged in an arc shape. The rotating disk (2) is fixedly mounted with a rotating guide rod (4). The rotating guide rod (4) passes through the fixed guide groove (3) and slides with the fixed guide groove (3). The fixed disk (1) is provided with a driving mechanism to drive the rotating guide rod (4) to slide back and forth in the fixed guide groove (3). The fixed disk (1) has multiple receiving grooves (6) on the side facing the rotating disk (2). Each receiving groove (6) has a fixed ball (7) rollingly engaged with it. Each fixed ball (7) rollingly engages with the rotating disk (2).

2. The ball bearing type oscillating structure according to claim 2, characterized in that: The rotating disk (2) has a rotating limiting groove (12) in a closed-loop shape on the side facing the fixed disk (1), and each of the fixed balls (7) rolls and engages in the rotating limiting groove (12).

3. A ball-bearing oscillating structure according to claim 1 or 2, characterized in that: Each of the accommodating grooves (6) is provided with an accommodating block (8), and each of the accommodating blocks (8) is rotatably fitted with a block screw (10). Each block screw (10) passes through the fixed disk (1) along the axial direction and is threadedly fitted to the side of the fixed disk (1) away from the rotating disk (2). The groove diameter at the opening of the accommodating groove (6) is smaller than the diameter of the fixed ball (7).

4. The ball bearing type oscillating structure according to claim 1, characterized in that: The rotating guide rod (4) is rotatably connected to a rotating bearing (5), and the rotating bearing (5) is in rolling contact with the groove wall of the fixed guide groove (3).

5. The ball bearing type oscillating structure according to claim 1, characterized in that: The driving mechanism includes a drive motor (13), a drive turntable (14), and a drive rod (15). The drive motor (13) is used to drive the drive turntable (14) to rotate. The drive rod (15) is fixedly installed on the drive turntable (14) and is eccentrically set with the drive turntable (14). A drive connecting rod (16) is coaxially rotatably installed on the side of the fixed disk (1) away from the rotating disk (2). One end of the drive connecting rod (16) is installed on the fixed guide rod. A drive groove (17) extending along its own length direction is opened on the side of the drive connecting rod (16) away from the fixed disk (1). The drive rod (15) slides and engages with the drive groove (17).

6. The ball bearing type oscillating structure according to claim 1, characterized in that: The driving mechanism includes a drive motor (13), a drive turntable (14), a drive rod (15), and a connecting rod (19). The drive motor (13) is used to drive the drive turntable (14) to rotate. The fixed disk (1) is coaxially mounted with a drive connecting rod (16) on the side away from the rotating disk (2). One end of the drive connecting rod (16) is mounted on the fixed guide rod. The drive rod (15) is mounted on the drive turntable (14) and is eccentrically set with the drive turntable (14). The drive turntable (14) is provided with a motion component that drives the drive rod (15) to move in its own radial direction. One end of the connecting rod (19) is rotatably mounted on the drive rod (15), and the other end is rotatably mounted on the drive connecting rod (16).

7. A ball-bearing oscillating structure according to claim 6, characterized in that: The motion assembly includes a motion motor (21) and a motion lead screw (22). The motion lead screw (22) is rotatably mounted on the drive turntable (14) and arranged in the radial direction of the drive turntable (14). The motion motor (21) is used to drive the motion lead screw (22) to rotate. The motion lead screw (22) passes through and is threaded into the drive rotating rod (15). The drive rotating rod (15) is slidably engaged with the drive turntable (14).

8. A ball-bearing oscillating structure according to claim 7, characterized in that: The motion assembly also includes a first bevel gear (23) and a second bevel gear (24). The drive turntable (14) is coaxially fixedly mounted with a drive sleeve (28). The drive motor (13) is used to drive the drive sleeve (28) to rotate. The shaft of the motion motor (21) passes through and rotates in sequence with the drive sleeve (28) and the drive turntable (14). The first bevel gear (23) is coaxially fixedly mounted with the shaft of the motion motor (21). The second bevel gear (24) is coaxially fixedly mounted with the motion lead screw (22) and meshes with the first bevel gear (23).

9. A ball-bearing oscillating structure according to claim 8, characterized in that: The output end of the drive motor (13) is fixedly mounted with a drive worm (29), and the drive sleeve (28) is coaxially fixedly mounted with a drive worm wheel (30), which meshes with the drive worm (29).

10. A fan, characterized in that: The fan includes a ball bearing oscillating structure as described in any one of claims 1 to 9.

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