Rotating assembly and fan

Abstract

The utility model relates to a rotating assembly and a fan. The rotating assembly comprises a supporting plate, a driving part, a driving gear and a buffering piece. The driving gear is rotatably arranged on the supporting plate; the driving part is arranged on the supporting plate and connected with the driving gear so as to drive the driving gear to rotate. The buffering piece is arranged in the driving gear, one end of the buffering piece is arranged on the supporting plate, and the other end of the buffering piece is arranged on the inner wall of the driving gear. According to the rotating assembly designed by the invention, the buffer piece is simple and reliable to mount, and effective rotating buffer force can be formed on the driving gear, so that the driving gear rotates more stably.

Description

TECHNICAL FIELD

[0001] The application relates to a rotating assembly and a fan, and belongs to the technical field of household appliances. BACKGROUND

[0002] The rotating assembly on the existing fan can be used to realize the pitching rotation function of the fan head, but the existing rotating assembly operation is unbalanced in stress, leading to unstable rotation of the head and easy shaking, which seriously affects the experience of the product.

[0003] A pitching structure is disclosed in Chinese Patent CN212717309U, which specifically comprises a stepping motor, a driving gear, a transmission gear, a right transmission gear, a torsional spring, a left support plate and a right support plate. The stepping motor is arranged on the outer side of the left support plate, the driving gear, the transmission gear, the right transmission gear and the torsional spring are arranged between the left support plate and the right support plate, the driving gear is sleeved on the driving head of the stepping motor, and the driving gear, the transmission gear and the right transmission gear are sequentially meshed. In the above-mentioned scheme, the torsional spring is designed in the support plate to realize rotation buffering, reduce the power consumption of the stepping motor, and solve the problem of uneven pitching of the gear structure. Since one end of the torsional spring is mounted in the right transmission gear, the torsional spring will be subjected to a force along the circumference of the right transmission gear during rotation, and therefore there will be an unbalanced stress between the torsional spring and the right transmission gear.

[0004] Therefore, there is a need in the prior art for a rotating assembly to realize the pitching and other rotation functions of products such as fans. CONTENT OF THE UTILITY MODEL

[0005] The application aims to design a rotating assembly and a fan, and aims to solve the problem of unbalanced stress in the rotation buffering of the existing rotating assembly.

[0006] The application relates to a rotating assembly, which comprises a support plate, a driving component, a driving gear and a buffer.

[0007] In some embodiments, the buffer is a torsional spring; the driving gear is provided with a mounting cavity, and the torsional spring is arranged in the mounting cavity.

[0008] In some embodiments, a first connecting end of the torsional spring abuts against the inner wall of the mounting cavity in the radial direction of the mounting cavity, and a second connecting end of the torsional spring is inserted into the support plate in the axial direction of the mounting cavity.

[0009] In some embodiments, the center of the mounting cavity is provided with a transmission member; the transmission member is engaged with the driving gear and rotates together with the driving gear; and the torsional spring is sleeved on the transmission member.

[0010] In some embodiments, the mounting frame is provided on the circumference of the transmission member, and the limiting groove is arranged on the mounting frame; the limiting groove is abutted against the torsional spring to limit the radial movement of the torsional spring along the mounting cavity.

[0011] In some embodiments, the mounting frame is a cross-shaped structure.

[0012] In some embodiments, the limiting block is arranged on the side wall of the driving gear, the mounting slot is arranged on the limiting block, and the mounting slot is in communication with the mounting cavity; and the first connecting end passes through the mounting slot and is abutted against the limiting block.

[0013] In some embodiments, the limiting column is further arranged on the support plate and is arranged on one side of the driving gear to limit the rotation of the limiting block.

[0014] In some embodiments, the support plate comprises a first support plate and a second support plate; the driving component and the driving gear are arranged on the first support plate, and the mounting hole is arranged on the second support plate; and one end of the buffer member is arranged in the mounting hole.

[0015] The application further provides a fan comprising a rotating assembly; the rotating assembly is the rotating assembly described above.

[0016] In some embodiments, the fan further comprises a stand and a head; the head is connected with the stand through the adapter to realize the pitching movement; the support plate is arranged on one side of the adapter; the driving component is arranged on one side of the support plate; and the driving gear is arranged on the other side of the support plate and is connected with the adapter to drive the adapter to rotate.

[0017] The rotating assembly and the fan provided by the application have the following technical advantages:

[0018] (1) The rotating assembly provided by the application makes the driving gear of the rotating assembly more balanced in stress and more stable in rotation by designing the mounting structure of the buffer member.

[0019] (2) The rotating assembly provided by the application makes the installation of the buffer member more simple and reasonable by mounting one end of the buffer member on the inner wall of the driving gear and mounting the other end of the buffer member on the support plate, and the buffer member can well buffer the rotation of the driving gear.

[0020] (3) The fan provided by the application makes the pitching movement of the head of the fan more stable by adopting the above-mentioned rotating assembly, and the experience of the product can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1It is a rotating assembly exploded schematic of the present application Figure 1 .

[0022] Figure 2 It is a rotating assembly exploded schematic of the present application Figure 2 .

[0023] Figure 3 It is a fan head structure schematic of the present application.

[0024] Figure 4 It is a fan head structure schematic of the present application. Figure 3 Partial enlarged view.

[0025] Figure 5 It is a fan head structure schematic of the present application.

[0026] In the figure: 1, the first support plate; 2, the second support plate; 3, the driving motor; 31, the wiring; 4, the driving gear; 41, the installation cavity; 42, the first limiting block; 421, the installation groove; 43, the second limiting block; 44, the mounting bracket; 45, the limiting groove; 5, the torsion spring; 51, the first connecting end of the torsion spring; 61, the first connecting column; 62, the second connecting column; 63, the limiting column; 7, the first transmission gear; 8, the second transmission gear; 9, the column; 10, the head. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the embodiments of the present application will be described in detail below with reference to the drawings. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily without conflict. Those skilled in the art can understand that the rotating assembly of the present application is suitable for various household appliances, especially various fans with up-down tilting function.

[0028] As shown in Figures 1-2 , the rotating assembly of the present application comprises a support plate, a driving component, a driving gear 4 and a buffer. The driving gear 4 is rotatably arranged on the support plate to realize the rotation function. The driving component can be arranged on the support plate and connected with the driving gear 4 to drive the driving gear 4 to rotate. The buffer can be arranged in the driving gear 4, and one end of the buffer is arranged on the support plate, and the other end of the buffer is arranged on the inner wall of the driving gear 4. In this way, the driving gear 4 is subjected to the gradually strengthened reverse force of the buffer during rotation, and the stress is more balanced and the operation is more stable. The rotating assembly designed in the present application has simple and reliable buffer installation, and can form effective rotation buffer force on the driving gear, so that the driving gear rotates more stably.

[0029] As shown in Figures 1-2As shown in the drawings, in some embodiments, the buffer is a torsion spring 5. Specifically, the torsion spring 5 is a circular ring structure, the pin at one end of the torsion spring 5 is arranged in the radial direction of the circular ring, and the pin at the other end of the torsion spring 5 is arranged in the axial direction of the circular ring, so that the installation is more reliable and the stress is more uniform. Further, the driving gear 4 is provided with a mounting cavity 41, and the torsion spring 5 is arranged in the mounting cavity 41. The first connecting end 51 of the torsion spring 5 abuts against the inner wall of the mounting cavity 41 along the radial direction of the mounting cavity 41, and the second connecting end of the torsion spring 5 is inserted into the support plate along the axial direction of the mounting cavity 41, so that the torsion spring 5 can form a force between the driving gear 4 and the support plate, thereby buffering the rotation of the driving gear and reasonably distributing the stress.

[0030] As shown in the drawings, Figures 1-2 in some embodiments, the center of the mounting cavity 41 is provided with a transmission member, which rotates with the driving gear 4, and the transmission member and the driving gear 4 can be integrated. The torsion spring 5 can be sleeved on the transmission member to achieve limiting installation. Further, the transmission member is used to connect with the head of the fan to drive the head to rotate up and down.

[0031] As shown in the drawings, Figures 1-4 in some embodiments, in order to reasonably install the torsion spring 5 in the mounting cavity 41, the transmission member is provided with a mounting frame 44 in the circumferential direction, and the mounting frame 44 is provided with a limiting groove 45. The limiting groove 45 can be clamped with the torsion spring 5 to limit the movement of the torsion spring 5 along the radial direction of the mounting cavity 41, thereby achieving better buffering.

[0032] As shown in the drawings, Figure 4 in some embodiments, the mounting frame 44 is a cross-shaped structure, so that the limiting groove 45 can be formed in four directions, and the torsion spring 5 can be limited in multiple directions, and the installation is more reliable.

[0033] As shown in the drawings, Figure 2 in some embodiments, the side wall of the driving gear 4 is provided with a limiting block, the limiting block is provided with an installation groove 421, and the installation groove 421 is communicated with the mounting cavity 41. The first connecting end 51 of the torsion spring 5 passes through the installation groove 421 and abuts against the limiting block, so as to be clamped in the limiting block of the side wall of the driving gear 4 along the radial direction. The second connecting end of the torsion spring 5 passes through the mounting hole of the second support plate 2 along the axial direction, so as to be fixed on the second support plate 2. In the present application, the second support plate 2 is in a static state relative to the driving gear 4, the second connecting end of the torsion spring 5 is arranged on the second support plate 2, and the first connecting end 51 of the torsion spring 5 is arranged on the limiting block of the side wall of the driving gear 4 and rotates with the driving gear 4, so that the force of the torsion spring 5 can directly act on the driving gear 4, thereby buffering the rotation of the driving gear 4.

[0034] As shown in the drawings, Figures 1-2As shown in the drawings, in some embodiments, the support plate further comprises a limiting post 63, which is arranged on one side of the driving gear 4 and on the rotation arc of the limiting block, so as to limit the rotation of the limiting block. The driving component can be a driving motor 3. The support plate further comprises a first transmission gear 7 and a second transmission gear 8, wherein the first transmission gear 7 is connected with the output shaft of the driving motor 3, and the first transmission gear 7 is further engaged with the second transmission gear 8, and the second transmission gear 8 is engaged with the driving gear 4, so as to realize transmission cooperation.

[0035] As shown in the drawings, Figures 1-2 In some embodiments, the support plate comprises a first support plate 1 and a second support plate 2. The driving component can be a driving motor 3, and the driving motor 3, the driving gear 4, the first transmission gear 7 and the second transmission gear 8 are arranged on the first support plate 1. The second support plate 2 is provided with a mounting hole for mounting and connecting with the first support plate 1. The first support plate 1 and the second support plate 2 are arranged oppositely, so as to clamp the driving gear 4, the first transmission gear 7 and the second transmission gear 8 between the first support plate 1 and the second support plate 2, and connect them through the first connecting post 61 and the second connecting post 62. One end of the first connecting post 61 and the second connecting post 62 is fixed on the first support plate 1 respectively, and the other end of the first connecting post 61 and the second connecting post 62 is connected on the second support plate 2 respectively. One end of the torsion spring 5 is arranged in the mounting hole, so as to be mounted on the second support plate 2.

[0036] As shown in the drawings, Figures 1-5 The application further provides a fan, which comprises a rotating assembly. The rotating assembly is the rotating assembly described above. Specifically, the rotating assembly is connected with the head 10 of the fan through the transmission member thereof, so as to drive the head 10 to run up and down. The rotating assembly of the application can offset a part of the downward force of the head 10 through the elastic force of the torsion spring 5, so as to reduce the maximum torque required by the driving motor, achieve the effect of buffering, and reduce the power consumption of the driving motor. The rotating assembly described above is adopted in the application, so that the up and down running of the head of the fan is more stable, the vibration frequency of the head is reduced, the energy consumption is reduced, and the experience of the fan can be effectively improved.

[0037] As shown in the drawings, Figures 1-5As shown, in some embodiments, the application also provides a fan further comprising a stand 9 and a head 10; the head 10 is connected with the stand 9 through a connector 91 to realize up-down pitching movement. Specifically, the first support plate 1 is arranged on one side of the connector 91; the driving component is arranged on one side of the support plate; the driving gear 4 is arranged on the other side of the support plate and connected with the connector 91 to drive the connector 91 to rotate. In the above mounting structure, by arranging the driving component and the driving gear on the two sides of the support plate respectively, the balance effect can be achieved, so that the head 10 does not appear unbalanced during operation, and the pitching operation effect of the fan is affected.

[0038] The rotating assembly and the fan provided by the application have the following technical advantages:

[0039] (1) The rotating assembly provided by the application has the following advantages: by designing the mounting structure of the buffer, the driving gear of the rotating assembly is more balanced in force and rotates more stably.

[0040] (2) The rotating assembly provided by the application has the following advantages: by arranging one end of the buffer on the inner wall of the driving gear and the other end of the buffer on the support plate, the installation of the buffer is more simple and reasonable, and the buffer can play a good buffering effect on the rotation of the driving gear.

[0041] (3) The fan provided by the application has the following advantages: by using the above rotating assembly, the pitching operation of the fan head is more stable, and the experience of the product can be improved.

[0042] Although the embodiments disclosed in the application are as above, the content described is only the embodiments adopted for the purpose of facilitating the understanding of the application, and is not intended to limit the application. Any person skilled in the art of the application can make any modification and change in the form and details without departing from the spirit and scope of the application disclosed, but the patent protection scope of the application shall be subject to the scope defined by the appended claims.

Claims

1. A rotating assembly, comprising: The rotating assembly comprises a support plate, a driving component, a driving gear (4) and a buffer; the driving gear (4) is rotatably arranged on the support plate; the driving component is connected with the driving gear (4) to drive the driving gear (4) to rotate; the buffer is arranged in the driving gear (4), one end of the buffer is engaged with the support plate, and the other end of the buffer is engaged with the inside of the driving gear (4).

2. The rotary assembly of claim 1, wherein, The buffer is a torsion spring (5); the driving gear (4) is provided with a mounting cavity (41), and the torsion spring (5) is arranged in the mounting cavity (41).

3. The rotary assembly of claim 2, wherein, The first connecting end (51) of the torsion spring (5) abuts against the inner wall of the mounting cavity (41) along the radial direction of the mounting cavity (41), and the second connecting end of the torsion spring (5) is inserted on the support plate along the axial direction of the mounting cavity (41).

4. The rotary assembly of claim 3, wherein, A transmission part is arranged at the center position of the mounting cavity (41); the transmission part is engaged with the driving gear (4) and rotates together with the driving gear (4); and the torsion spring (5) is sleeved on the transmission part.

5. The rotary assembly of claim 4, wherein, An installation rack (44) is arranged on the transmission part in the circumferential direction, and a limiting groove (45) is arranged on the installation rack (44); the limiting groove (45) abuts against the torsion spring (5) to limit the movement of the torsion spring (5) along the radial direction of the mounting cavity (41).

6. The rotary assembly of claim 2, wherein, A limiting block is arranged on the side wall of the driving gear (4), an installation groove (421) is arranged on the limiting block, and the installation groove (421) is in communication with the mounting cavity (41); the first connecting end (51) passes through the installation groove (421) and abuts against the limiting block.

7. The rotary assembly of claim 6, wherein, A limiting column (63) is further arranged on the support plate, and the limiting column (63) is arranged on one side of the driving gear (4) to limit the rotation of the limiting block.

8. The rotary assembly of any one of claims 1-7, wherein, The support plate comprises a first support plate (1) and a second support plate (2); the driving component and the driving gear (4) are arranged on the first support plate (1), and the second support plate (2) is provided with a mounting hole; and one end of the buffer is arranged in the mounting hole.

9. A fan comprising a rotating assembly; characterized by, The rotating assembly is the rotating assembly in any one of claims 1-8.

10. The fan of claim 9, wherein, The fan further comprises a stand (9) and a head (10); the head (10) is connected with the stand (9) through a connector (91); the support plate is arranged on one side of the connector (91); the driving component is arranged on one side of the support plate; and the driving gear (4) is arranged on the other side of the support plate and connected with the connector (91) to drive the connector (91) to rotate.

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