Rotating structure and fan with same

Abstract

The utility model provides a rotating structure and a fan with the same, which comprises a fixed part and a rotating component, a mounting cavity is formed in the fixed part, the rotating component is mounted in the mounting cavity, the rotating component eccentrically rotates in the mounting cavity, the rotating component comprises an outer ring, an inner ring and a rolling part, and the rolling part is mounted in the mounting cavity. The outer ring is matched with the inner wall of the mounting cavity, the rolling piece is arranged between the outer ring and the inner ring, and the inner ring can rotate relative to the outer ring through the rolling piece. When the rotating shaft rotates, the inner ring rotates along with the rotating shaft, and due to the fact that the rolling piece is arranged between the inner ring and the outer ring, the inner ring can rotate relative to the outer ring, friction between the inner ring and the outer ring is reduced, abrasion caused by friction is avoided, the rotating structure is more durable, and the service life of the rotating structure is prolonged. And as the friction is reduced, the noise in the working process of the inner ring and the outer ring is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, and particularly relates to a rotating structure and a fan having the same. Background Art

[0002] In the prior art, a rotating structure is provided in a fan, so that while the fan blades rotate, an eccentric rotation occurs, and the fan blades blow air in different directions. The rotating structure provided in the fan, due to the inner ring and the outer ring of the rotating component, friction will occur between the inner ring and the outer ring during the rotation of the fan, resulting in wear, reducing the service life, and increasing the noise, affecting the user experience. Summary of the Utility Model

[0003] The utility model solves one of the problems existing in the related art to a certain extent. For this reason, an object of the utility model is to provide a rotating structure, which reduces the friction between the inner ring and the outer ring, avoids the wear caused by friction, makes the rotating structure more durable, and extends the service life of the rotating structure.

[0004] The above object is achieved by the following technical solutions:

[0005] A rotating structure includes a fixing member and a rotating component. An installation cavity is formed in the fixing member. The rotating component is installed in the installation cavity, and the rotating component rotates eccentrically in the installation cavity. The rotating component includes an outer ring, an inner ring and rolling elements. The outer ring cooperates with the inner wall of the installation cavity. The rolling elements are between the outer ring and the inner ring, and the inner ring can rotate relative to the outer ring through the rolling elements.

[0006] As a further improvement of the utility model, a chute is formed on the inner wall of the fixing member, and a sliding wall is formed on the outer wall of the outer ring. The sliding wall cooperates with the chute.

[0007] As a further improvement of the utility model, the diameter of the outer ring gradually narrows from the middle of the outer ring to both ends of the outer ring.

[0008] As a further improvement of the utility model, it further includes a rotating shaft and a motor. The rotating shaft is installed in the inner ring, and the output end of the motor is connected to the rotating shaft to drive the rotation of the rotating shaft.

[0009] As a further improvement of the utility model, an installation gap is formed between the inner ring and the outer ring. The rolling elements include a cage and balls installed on the cage. The cage and the balls are installed in the installation gap.

[0010] As a further improvement of the present utility model, a first slideway is formed on the outer wall of the inner ring, and a second slideway is formed at one end of the outer ring facing the inner wall. The ball can slide into the first slideway and the second slideway.

[0011] As a further improvement of the present utility model, the rotating assembly is a bearing.

[0012] An object of the present utility model is to provide a fan, in which the rotation structure reduces the friction between the inner ring and the outer ring, avoids the wear caused by friction, makes the rotation structure more durable, and extends the service life of the rotation structure.

[0013] The above object is achieved by the following technical solutions:

[0014] A fan includes the rotation structure described above.

[0015] Compared with the prior art, the present utility model has at least the following beneficial effects:

[0016] 1. The present utility model provides a rotation structure and a fan having the same. When the rotating shaft rotates, the inner ring rotates with the rotating shaft, and since there are rolling elements between the inner ring and the outer ring, the inner ring can rotate relative to the outer ring, reducing the friction between the inner ring and the outer ring, avoiding the wear caused by friction, making the rotation structure more durable, extending the service life of the rotation structure, and reducing the noise during the operation of the inner ring and the outer ring due to the reduced friction. Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of a rotation structure in an embodiment;

[0018] Figure 2 is another schematic structural diagram of a rotation structure in an embodiment

[0019] Figure 3 is an exploded schematic diagram of a rotation structure in an embodiment;

[0020] Figure 4 is an exploded schematic diagram of the rotating assembly in an embodiment;

[0021] Figure 5 is another exploded schematic diagram of the rotating assembly in an embodiment;

[0022] Figure 6 is a schematic structural diagram of the eccentric rotation of the rotating assembly in the fixing member in an embodiment;

[0023] Figure 7 is another schematic structural diagram of the eccentric rotation of the rotating assembly in the fixing member in an embodiment;

[0024] Figure 8 It is another exploded view of a rotating structure in the embodiment. Detailed implementation manners

[0025] The following embodiments illustrate the present utility model, but the present utility model is not limited by these embodiments. Modifying the specific implementation manners of the present utility model or making equivalent replacements for some technical features without departing from the spirit of the present utility model scheme shall all be covered within the scope of the technical solution claimed by the present utility model.

[0026] Embodiment 1:

[0027] As Figure 1-8 , a rotating structure 1 includes a fixing member 2 and a rotating assembly 3. An installation cavity 21 is formed in the fixing member 2. The rotating assembly 3 is installed in the installation cavity 21, and the rotating assembly 3 performs eccentric rotation in the installation cavity 21. The rotating assembly 3 includes an outer ring 31, an inner ring 32, and rolling elements 33. The outer ring 31 cooperates with the inner wall of the installation cavity 21. The rolling elements 33 are between the outer ring 31 and the inner ring 32. The inner ring 32 can rotate relative to the outer ring 31 through the rolling elements 33.

[0028] The present utility model provides a rotating structure 1. The rotating assembly 3 can perform eccentric rotation in the installation cavity 21 of the fixing member 2. A rotating shaft is arranged in the inner ring 32. When the rotating shaft rotates, the inner ring 32 rotates with the rotating shaft. And since rolling elements 33 are provided between the inner ring 32 and the outer ring 31, the inner ring 32 can rotate relative to the outer ring 31, reducing the friction between the inner ring 32 and the outer ring 31, avoiding wear caused by friction, making the rotating structure 1 more durable, extending the service life of the rotating structure 1, and also reducing the noise during the operation of the inner ring 32 and the outer ring 31 due to the reduced friction.

[0029] In this embodiment, the fixing member 2 is a fixing ring.

[0030] A sliding groove 22 is formed on the inner wall of the fixing member 2. A sliding wall 30 is formed on the outer wall of the outer ring 31. The sliding wall 30 cooperates with the sliding groove 22. In this embodiment, through the cooperation between the sliding wall 30 of the outer ring 31 and the wall of the sliding groove 22, the rotating assembly 3 can rotate eccentrically relative to the fixing member 2.

[0031] In this embodiment, a protruding portion protrudes outward from the middle of the outer ring 31. The outer wall of the outer ring 31 gradually narrows from the protruding portion to both ends. That is, the outer diameter of the outer ring gradually decreases or narrows forward from the protruding portion, and the outer diameter of the outer ring gradually decreases or narrows backward from the protruding portion.

[0032] In this embodiment, the thickness L1 of the outer ring of the rotating assembly is greater than the thickness L2 of the fixing member, so as to ensure that the rotating assembly 3 can rotate eccentrically within the fixing member 2.

[0033] It further includes a rotating shaft and a motor. The rotating shaft is installed within the inner ring 32, and the output end of the motor is connected to the rotating shaft to drive the rotation of the rotating shaft. In this embodiment, the output end of the motor is connected to the rotating shaft, so that the rotation of the motor shaft drives the rotation of the rotating shaft. Since the inner ring 32 can rotate relative to the outer ring 31, the friction between the inner ring 32 and the outer ring 31 during the rotation of the inner ring 32 is reduced.

[0034] In this embodiment, an installation gap is formed between the inner ring 32 and the outer ring 31. The rolling element 33 includes a cage 331 and balls 332 installed on the cage 331. The cage 331 and the balls 332 are installed in the installation gap.

[0035] In some other embodiments, the rolling element 33 includes needle rollers.

[0036] In this embodiment, the rolling element has a single row of balls 332; in some other embodiments, the rolling element consists of two rows, or three rows, or four rows, etc., of multiple rows of balls.

[0037] A first slideway 321 is formed on the outer wall of the inner ring 32, and a second slideway 311 is formed at one end of the outer ring 31 facing the inner wall. The balls 332 can slide into the first slideway 321 and the second slideway 311.

[0038] In this embodiment, the first slideway 321 and the second slideway 311 are annular slideways. The first slideway 321 and the second slideway 311 are arranged oppositely.

[0039] In some embodiments, a first opening is formed in advance on the inner wall of the outer ring 31, and a second opening is formed at the rear. A first protruding edge extends inward at the first opening; a second protruding edge extends inward at the second opening. Thus, a chute 22 is formed on the inner wall of the outer ring 31, and the chute is arranged as an annular depression.

[0040] In some embodiments, the rotating assembly 3 is a bearing. The rotating assembly 3 of the present utility model is equivalent to using a kind of bearing.

[0041] Embodiment Two:

[0042] A fan includes the above-mentioned rotating structure 1.

[0043] It further includes a driving component, which cooperates with the outer ring 31 of the rotating component 3 to drive the rotating component 3 to perform eccentric rotation within the fixing member 2 through the driving component, as Figure 6-7 .

[0044] In this embodiment, the fan blades are connected to the rotating shaft. When the motor rotates to drive the rotating shaft to rotate, the fan blades of the fan are driven to rotate to start the fan. At this time, the inner ring 32 rotates. Since the inner ring 32 can rotate relative to the outer ring 31 and the outer ring 31 does not rotate, the fan blades rotate normally.

[0045] After the fan is started, the driving component drives the outer ring 31 of the rotating structure 1 to rotate, so as to drive the fan blades to perform eccentric rotation, so that the fan blades can blow in different directions.

[0046] By driving the rotation of the fan blades through the rotating component 3, while ensuring the normal rotation of the fan blades, the fan blades can perform eccentric rotation to adjust the blowing direction of the fan. Moreover, the relative friction between the inner ring 32 and the outer ring 31 of the rotating component 3 is reduced, which not only reduces the noise but also avoids the wear caused by the relative friction between the inner ring 32 and the outer ring 31, making the rotating structure 1 more durable and extending the service life of the rotating structure 1.

[0047] The above preferred embodiments should be regarded as illustrative examples of the implementation modes of the application solutions. All technical deductions, substitutions, improvements, etc. that are identical, similar to or based on the application solutions should be regarded as within the protection scope of this patent.

Claims

1. A rotating structure, characterized in that, It includes a fixing member and a rotating assembly. An installation cavity is formed inside the fixing member. The rotating assembly is installed in the installation cavity, and the rotating assembly performs eccentric rotation in the installation cavity. The rotating assembly includes an outer ring, an inner ring and rolling elements. The outer ring cooperates with the inner wall of the installation cavity. The rolling elements are located between the outer ring and the inner ring, and the inner ring can rotate relative to the outer ring through the rolling elements.

2. The rotating structure according to claim 1, wherein A chute is formed on the inner wall of the fixing member, and a sliding wall is formed on the outer wall of the outer ring. The sliding wall cooperates with the chute.

3. A rotating structure according to claim 1, characterized in that, The diameter of the outer ring gradually narrows from the middle of the outer ring to both ends of the outer ring.

4. A rotating structure according to claim 1, characterized in that, It further includes a rotating shaft and a motor. The rotating shaft is installed inside the inner ring, and the output end of the motor is connected to the rotating shaft to drive the rotation of the rotating shaft.

5. A rotating structure according to claim 1, characterized in that, An installation gap is formed between the inner ring and the outer ring. The rolling elements include a cage and balls installed on the cage. The cage and the balls are installed in the installation gap.

6. A rotating structure according to claim 5, characterized in that, A first slideway is formed on the outer wall of the inner ring, and a second slideway is formed at one end of the outer ring facing the inner wall. The balls can slide into the first slideway and the second slideway.

7. A rotating structure according to claim 1, characterized in that The rotating assembly is a bearing.

8. A fan, characterized in that, It includes a rotating structure according to any one of claims 1-7.

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