CN218817137U

CN218817137U - Air circulation fan with multiple mode of shaking head

Info

Publication number: CN218817137U
Application number: CN202223259185.7U
Authority: CN
Inventors: 聂建圣; 戴相录
Original assignee: Shenzhen Hesheng Innovation Technology Co ltd
Current assignee: Shenzhen Hesheng Innovation Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-04-07
Anticipated expiration: 2032-12-06

Abstract

The utility model belongs to the technical field of air cycle equipment, specifically disclose an air cycle fan with multiple mode of shaking head, the on-line screen storage device comprises a base, Y type support and aircraft nose, it shakes the head structure about to be equipped with in the first holding cavity of base, all be equipped with in the second holding cavity of Y type support and shake the head structure from top to bottom, first supporting component is used for supporting and controls the structure of shaking head, second supporting component is used for supporting the structure of shaking head from top to bottom, can provide good support to controlling the structure of shaking head and shaking head structure from top to bottom through first supporting component and second supporting component respectively, ensure the compactness of assembly, avoided rotating the in-process and taken place to rock, the wear and tear situation after having alleviated the structure of shaking head about simultaneously or shaking head structure from top to bottom for a long time use, guarantee to control smooth and easy rotation of the structure of shaking head, the noise is less, fixed respond well, difficult emergence is not hard up.

Description

Air circulation fan with multiple mode of shaking head

Technical Field

The utility model relates to an air cycle equipment technical field especially relates to an air cycle fan with multiple mode of shaking the head.

Background

Compared with the traditional electric fan, the air circulation fan can blow out the air spirally along a certain direction, and spiral columnar air can be formed along with stirring of the fan blades. The air circulation fan blows out far away, has better directionality, and is bigger with the contact surface of peripheral air, can drive more air and participate in indoor air circulation, indoor circulation of air with higher speed to balanced indoor temperature. In order to enlarge the blowing range of the air circulation fan, a head shaking function is usually added to the head of the air circulation fan.

General air cycle fan can be equipped with shakes the head structure, drives the aircraft nose through the structure of shaking the head and rotates, however because the aircraft nose of air cycle fan is whole overweight, and the stability of shaking the head is relatively poor, and the aircraft nose takes place easily to rock to in long-time use, the gravity of aircraft nose is used in shaking the head structure for a long time, and the wearing and tearing that cause the structure of shaking the head are serious, lead to shaking the head not smoothly.

Therefore, there is a need for an air circulation fan with multiple oscillating modes to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air circulation fan with multiple mode of shaking the head, its stability of shaking the head structure is good, and it is smooth and easy to shake the head, and the structure of shaking the head is difficult for taking place wearing and tearing, and the life-span is longer.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an air circulation fan with multiple mode of shaking head, include:

the base comprises an upper cover, a lower cover and a first supporting assembly, the upper cover is buckled on the lower cover, a first accommodating cavity is formed between the upper cover and the lower cover, the upper cover is provided with a first opening, a left-right shaking structure is arranged in the first accommodating cavity, and the first supporting assembly is used for supporting the left-right shaking structure;

the Y-shaped support penetrates through the first opening to be connected with the left and right oscillating structure, the left and right oscillating structure can drive the Y-shaped support to rotate leftwards or rightwards, the Y-shaped support comprises a first shell, a second shell and a second supporting assembly, a second accommodating cavity is formed between the first shell and the second shell, an up-and-down oscillating structure is arranged in the second accommodating cavity, and the second supporting assembly is used for supporting the up-and-down oscillating structure; and

the aircraft nose, the aircraft nose sets up on the Y type support, the aircraft nose with the structure connection of shaking the head from top to bottom, the structure of shaking the head from top to bottom can drive the aircraft nose upwards or rotates downwards.

Optionally, the structure of shaking the head about includes first motor, first gear, second gear and first mounting bracket, first motor is fixed on the first mounting bracket, first mounting bracket is fixed on the lower cover, the output of first motor with first gear connection, first gear with the meshing of second gear, second gear part pass first opening with Y type support fixed connection.

Optionally, be equipped with first tooth on the first gear, the second gear includes first diaphragm, the up end of first diaphragm is equipped with first spacing post, first spacing post passes first opening setting, the lower terminal surface of first diaphragm be equipped with the spacing post of second and with the spacing post of third of spacing leg joint of second, be equipped with on the spacing post of second with the second tooth meshing's of first tooth.

Optionally, the first support assembly includes a first bearing, the first bearing is sleeved on the first limit column, and the first bearing is clamped between the first limit column and the upper cover.

Optionally, the first opening of the upper cover extends outwards to form a first limiting protrusion, and the first limiting protrusion abuts against the first bearing.

Optionally, the first mounting bracket includes first installation position and second installation position, the first motor sets up in the first installation position, first supporting component includes the second bearing, the second bearing sets up in the second installation position, just the second bearing cover is established on the spacing post of third, the second bearing clamp is established the spacing post of third with between the first mounting bracket.

Optionally, the structure of shaking the head from top to bottom includes second motor, third gear, fourth gear, be equipped with the fixed plate on the first casing, the second motor is fixed on the fixed plate, the output of second motor passes the fixed plate with third gear connection, the third gear with the fourth gear meshing, the fourth gear with the aircraft nose is connected.

Optionally, be equipped with third tooth on the third gear, the fourth gear includes the second diaphragm, the up end of second diaphragm is equipped with the spacing post of fourth, the spacing post of fourth passes second opening setting on the aircraft nose, the lower terminal surface of second diaphragm is equipped with the spacing post of fifth of connection, be equipped with on the spacing post of fifth with the fourth tooth of third tooth meshing.

Optionally, the inboard of fifth spacing post is equipped with first spacing step, be equipped with the erection column on the first casing, be equipped with the spacing step of second on the erection column, the fourth gear cover is established on the erection column, the second supporting component includes the third bearing, the third bearing cover is established on the erection column, just the third bearing card is established first spacing step with between the spacing step of second.

Optionally, the second support assembly includes a spacer and a connector, the connector securing the third bearing to the mounting post, the spacer disposed between the connector and the third bearing.

The utility model has the advantages that:

the utility model provides an air circulation fan with multiple mode of shaking the head, including base, Y type support and aircraft nose, wherein, Y type support sets up on the base, and the aircraft nose setting is on Y type support. The structure of shaking one's head about being equipped with in the first holding cavity of base, first supporting component is used for supporting the structure of shaking one's head about, Y type support passes first opening and controls the structural connection of shaking one's head, can provide good support to the structure of shaking one's head about through first supporting component, the compactness of the structure assembly of shaking one's head about guaranteeing, it is difficult for taking place not hard up to shake the structure about, it shakes one's head to have avoided Y type support to take place to rock at the rotation in-process, the wear and tear situation after the long-time use of the structure of shaking one's head about having alleviated simultaneously, the smooth and easy rotation of the structure of shaking one's head about guaranteeing, fixed respond well.

The structure of shaking the head from top to bottom all is equipped with in the second holding cavity of Y type support, second supporting component is used for supporting the structure of shaking the head from top to bottom, can provide good support to the structure of shaking the head from top to bottom through second supporting component, the structure of shaking the head from top to bottom can bear bigger gravity, the aircraft nose of avoiding whole machine takes place to rock partially heavily, the wearing and tearing situation after the long-time use of the structure of shaking the head from top to bottom has been alleviated, guarantee the smooth and easy rotation of the structure of shaking the head from top to bottom simultaneously, the noise is less, and fixed respond well, difficult emergence is not hard up.

Drawings

Fig. 1 is a schematic structural diagram of an air circulation fan with multiple oscillating modes provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base and a left-right shaking head structure provided in the embodiment of the present invention;

FIG. 3 is a cross-sectional view of the base and the structure of shaking the head from side to side according to the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second gear provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a machine head and a Y-shaped bracket provided in an embodiment of the present invention;

fig. 6 is a cross-sectional view of a handpiece and a Y-shaped holder provided in an embodiment of the invention;

fig. 7 is a schematic structural diagram of a fourth gear provided in the embodiment of the present invention.

In the figure:

100. a base; 110. an upper cover; 111. a first opening; 112. a first limit projection; 120. a lower cover;

200. a Y-shaped bracket; 210. a first housing; 211. a fixing plate; 212. mounting a column; 220. a second housing;

300. a machine head; 301. a second opening; 302. a second limit bulge;

410. a first motor; 420. a first gear; 430. a second gear; 431. a first transverse plate; 432. a first limit post; 4321. fixing a column; 433. a second limit post; 4331. a second tooth; 434. a third limit column; 440. a first mounting bracket; 441. a first mounting location; 442. a second mounting location;

510. a first bearing; 520. a second bearing;

600. a control panel; 610. pressing a key;

710. a second motor; 720. a third gear; 730. a fourth gear; 731. a second transverse plate; 7311. an abutting portion; 732. a fourth limit column; 733. a fifth limiting column; 7331. a fourth tooth;

810. a third bearing; 820. and (7) a gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

As shown in fig. 1, the present embodiment provides an air circulation fan with multiple oscillating manners, which includes a base 100, a Y-shaped holder 200, and a head 300, wherein the Y-shaped holder 200 is disposed on the base 100, and the head 300 is disposed on the Y-shaped holder 200.

Referring to fig. 2 and 3, base 100 in this embodiment includes upper cover 110, lower cover 120 and first supporting component, upper cover 110 lock is on lower cover 120, and form first holding cavity between upper cover 110 and the lower cover 120, upper cover 110 is equipped with first opening 111, it shakes the head structure about being equipped with in the first holding cavity, first supporting component is used for supporting and shakes the head structure about, Y type support 200 passes first opening 111 and shakes the head structural connection about with, it can drive Y type support 200 and rotate left or right to shake the head structure about, it can provide good support to shaking the head structure about to shake through first supporting component, ensure the compactness of shaking the head structure assembly about, it is difficult for taking place not hard up to shake the head structure about, Y type support 200 has been avoided taking place to rock in the rotation process, the wear condition after having alleviated the structure of shaking the head about for a long time to use simultaneously, the smooth and easy rotation of the structure of shaking the head about is guaranteed, fixed respond well.

In addition, referring to fig. 5 and 6, the y-shaped bracket 200 includes a first housing 210, a second housing 220 and a second supporting component, a second accommodating chamber is formed between the first housing 210 and the second housing 220, two second accommodating chambers are disposed at two ends of the first housing 210 and the second housing 220, an up-and-down shaking structure is disposed in each of the two second accommodating chambers, and the up-and-down shaking structures in the two second accommodating chambers move synchronously, the second supporting component is used for supporting the up-and-down shaking structure, two ends of the head 300 are respectively connected with the two up-and-down shaking structures, so that the up-and-down shaking structure can drive the head 300 to rotate upwards or downwards, because the head 300 has a heavier weight, in order to prevent the head 300 of the whole machine from shaking due to a heavier weight, the up-and-down shaking structure can be well supported by the second supporting component, so that the up-and-down shaking structure can bear a larger gravity, thereby alleviating the wear of the up-and down shaking structure after long-time use, and simultaneously ensuring the rotation of the up-and down shaking structure, the noise is smaller, and the fixing effect is good, and the looseness is not easy to occur.

As an alternative scheme, the power source of the left-right shaking structure and the power source of the up-down shaking structure can adopt a stepping motor, and the Y-shaped support 200 or the machine head 300 is driven to rotate by means of gear transmission. In addition, in this embodiment, the maximum swing range of the left and right oscillating structure is 90 °, and the maximum swing range of the up and down oscillating structure is 120 °. Of course, the maximum swing range of the left-right shaking structure and the up-down shaking structure can be adjusted according to the user requirement, which is not limited in this embodiment.

Specifically, with continued reference to fig. 2-4, the left-right shaking head structure includes a first motor 410, a first gear 420, a second gear 430 and a first mounting rack 440, the first mounting rack 440 includes a first mounting position 441, the first motor 410 is disposed in the first mounting position 441, the first mounting rack 440 is fixed on the lower cover 120, an output end of the first motor 410 is connected with the first gear 420, the first motor 410 can drive the first gear 420 to rotate, the first gear 420 is engaged with the second gear 430, the second gear 430 partially passes through the first opening 111 and is fixedly connected with the Y-shaped bracket 200, and therefore the first motor 410 drives the Y-shaped bracket 200 to swing left and right.

Further, be equipped with first tooth on the first gear 420, second gear 430 includes first diaphragm 431, the up end of first diaphragm 431 is equipped with first spacing post 432, first spacing post 432 passes first opening 111 and sets up, the lower terminal surface of first diaphragm 431 is equipped with spacing post 433 of second and the spacing post 434 of third, spacing post 433 of second is connected with the spacing post 434 of third, be equipped with on the spacing post 433 of second with the second tooth 4331 of first tooth meshing, can realize the transmission between first gear 420 and the second gear 430 through first tooth and the meshing of second tooth 4331. In some embodiments, the first limiting post 432 is provided with a fixing post 4321, the fixing post 4321 is provided with a first threaded hole, and the Y-shaped bracket 200 is provided with a first through hole, and the first through hole is fixed in the first threaded hole after passing through the first through hole by a screw or a bolt, so as to complete the installation and fixation of the second gear 430 and the Y-shaped bracket 200. Preferably, in order to regulate the maximum swing range of the left-right shaking head structure, the second gear 430 is configured as an incomplete gear, i.e., a partial region of the circumferential side wall of the second limit post 433 is provided with the second tooth 4331.

The first supporting component comprises a first bearing 510, the first bearing 510 is sleeved on the first limiting column 432, and the first bearing 510 is clamped between the first limiting column 432 and the side wall of the first opening 111 of the upper cover 110, so that the first bearing 510 fills the gap between the first opening 111 of the upper cover 110 and the first limiting column 432, the first bearing 510 can provide a good supporting function for the first limiting column 432 of the second gear 430, the second gear 430 is tightly assembled with the upper cover 110, and the Y-shaped support 200 is prevented from shaking in the process of swinging left and right. More preferably, the first opening 111 of the upper cover 110 is provided with a first limiting protrusion 112 extending outwards, and the first limiting protrusion 112 abuts against the upper end surface of the first bearing 510, so that the first bearing 510 is prevented from coming out of the first opening 111, and the first bearing 510 is ensured to be well fixed.

The first mounting frame 440 further comprises a second mounting position 442, the first supporting assembly comprises a second bearing 520, the second bearing 520 is arranged in the second mounting position 442, the second bearing 520 is sleeved on a third limiting column 434 of the second gear 430, and the second bearing 520 is clamped between the side walls of the third limiting column 434 and the second mounting position 442, and can support the third limiting column 434 of the second gear 430 through the second bearing 520, because the upper end portion and the lower end portion (namely the first limiting column 432 and the third limiting column 434) of the second gear 430 are respectively supported through the first bearing 510 and the second bearing 520, the second gear 430 is guaranteed to be well fixed, the rotating process is stable, and the shaking is not prone to occur, and the position between the first gear 420 and the second gear 430 is determined, so that the serious abrasion caused by extrusion between the first gear 420 and the second gear 430 is avoided, further, the supporting and fixing effects on the Y-shaped bracket 200 are guaranteed to be good, and the shaking of the whole machine is not prone to occur.

In addition, still be equipped with control panel 600 in the first holding cavity of base 100, be equipped with button 610 on control panel 600, control panel 600 is connected with the fan assembly electricity in aircraft nose 300, through pressing button 610, can regulate and control fan assembly's wind speed, and the concrete control principle is the conventional setting in this field, and no longer repeated here.

With continuing reference to fig. 5-7, the up-and-down shaking head structure in this embodiment includes a second motor 710, a third gear 720, and a fourth gear 730, a fixing plate 211 is disposed on the first housing 210 of the y-shaped bracket 200, the second motor 710 is fixed on the fixing plate 211, an output end of the second motor 710 passes through the fixing plate 211 and is connected to the third gear 720, the third gear 720 can be driven to rotate by the second motor 710, the third gear 720 is meshed with the fourth gear 730, and the fourth gear 730 is connected to the handpiece 300, so that the second motor 710 can drive the handpiece 300 to swing up and down.

As an optional scheme, third teeth are arranged on the third gear 720, the fourth gear 730 includes a second transverse plate 731, a fourth limiting column 732 is arranged on the upper end surface of the second transverse plate 731, the fourth limiting column 732 penetrates through the second opening 301 on the machine head 300, a fifth limiting column 733 connected with the lower end surface of the second transverse plate 731 is arranged on the lower end surface of the second transverse plate 731, and fourth teeth 7331 engaged with the third teeth are arranged on the fifth limiting column 733, so that the third gear 720 is in transmission connection with the fourth gear 730. The second opening 301 department of aircraft nose 300 is equipped with the spacing arch of second 302, is equipped with the breach on the second diaphragm 731, and the lateral wall of breach forms butt portion 7311, the spacing arch of second 302 and butt portion 7311 joint to can drive aircraft nose 300 luffing motion when fourth gear 730 rotates.

Further, a first limiting step is arranged on the inner side of the fifth limiting column 733, the mounting column 212 is arranged on the fixing plate 211 of the first shell 210, a second limiting step is arranged on the mounting column 212, the fourth gear 730 is sleeved on the mounting column 212, the second supporting component comprises a third bearing 810, the third bearing 810 is sleeved on the mounting column 212, the third bearing 810 is clamped between the first limiting step and the second limiting step, and through the arrangement of the third bearing 810, the mounting column 212 on the first shell 210 can provide a good supporting effect for the fourth gear 730, the structural assembly is tight, the rotation stability of the fourth gear 730 is ensured, the third gear 720 and the fourth gear 730 are accurately positioned and well matched, the problem of abrasion between the third gear 720 and the fourth gear 730 is solved, the noise is low, the machine head 300 is well fixed on the Y-shaped support 200, and the machine head 300 is not prone to shake.

Optionally, the second support assembly in this embodiment further includes a spacer 820 and a connecting member, the connecting member fixes the third bearing 810 on the mounting post 212, the spacer 820 is disposed between the connecting member and the third bearing 810, and a certain buffering effect can be achieved through the spacer 820. The connecting piece can be a screw or a bolt, correspondingly, a second through hole is formed in the gasket 820, a second threaded hole is formed in the mounting column 212, and the screw or the bolt penetrates through the second through hole and then is fixed in the second threaded hole.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An air circulation fan with multiple oscillating modes, comprising:

the base (100), the base (100) includes an upper cover (110), a lower cover (120) and a first supporting component, the upper cover (110) is buckled on the lower cover (120), a first containing chamber is formed between the upper cover (110) and the lower cover (120), the upper cover (110) is provided with a first opening (111), a left-right shaking head structure is arranged in the first containing chamber, and the first supporting component is used for supporting the left-right shaking head structure;

the Y-shaped support (200) penetrates through the first opening (111) and is connected with the left-right shaking structure, the left-right shaking structure can drive the Y-shaped support (200) to rotate leftwards or rightwards, the Y-shaped support (200) comprises a first shell (210), a second shell (220) and a second supporting assembly, a second accommodating cavity is formed between the first shell (210) and the second shell (220), the second accommodating cavity is internally provided with the up-down shaking structure, and the second supporting assembly is used for supporting the up-down shaking structure; and

aircraft nose (300), aircraft nose (300) set up on Y type support (200), aircraft nose (300) with the structure connection of shaking the head from top to bottom, the structure of shaking the head from top to bottom can drive aircraft nose (300) upwards or rotate downwards.

2. The air circulation fan with multiple oscillating manners according to claim 1, wherein the oscillating structure comprises a first motor (410), a first gear (420), a second gear (430) and a first mounting frame (440), the first motor (410) is fixed on the first mounting frame (440), the first mounting frame (440) is fixed on the lower cover (120), an output end of the first motor (410) is connected with the first gear (420), the first gear (420) is engaged with the second gear (430), and the second gear (430) partially passes through the first opening (111) to be fixedly connected with the Y-shaped bracket (200).

3. The air circulation fan with multiple oscillating manners according to claim 2, wherein a first tooth is arranged on the first gear (420), the second gear (430) comprises a first transverse plate (431), a first limiting column (432) is arranged on the upper end face of the first transverse plate (431), the first limiting column (432) penetrates through the first opening (111) to be arranged, a second limiting column (433) and a third limiting column (434) connected with the second limiting column (433) are arranged on the lower end face of the first transverse plate (431), and a second tooth (4331) meshed with the first tooth is arranged on the second limiting column (433).

4. The air circulation fan with multiple oscillating manners according to claim 3, wherein the first supporting assembly comprises a first bearing (510), the first bearing (510) is sleeved on the first limiting column (432), and the first bearing (510) is clamped between the first limiting column (432) and the upper cover (110).

5. The air circulation fan with multiple oscillating manners according to claim 4, wherein a first limiting protrusion (112) is extended outwards from the first opening (111) of the upper cover (110), and the first limiting protrusion (112) abuts against the first bearing (510).

6. The air circulation fan with multiple oscillating manners according to claim 3, wherein the first mounting bracket (440) comprises a first mounting location (441) and a second mounting location (442), the first motor (410) is disposed in the first mounting location (441), the first support assembly comprises a second bearing (520), the second bearing (520) is disposed in the second mounting location (442), and the second bearing (520) is sleeved on the third limiting column (434), and the second bearing (520) is sandwiched between the third limiting column (434) and the first mounting bracket (440).

7. The air circulation fan with multiple oscillating manners according to claim 1, wherein the oscillating structure comprises a second motor (710), a third gear (720) and a fourth gear (730), the first housing (210) is provided with a fixing plate (211), the second motor (710) is fixed on the fixing plate (211), the output end of the second motor (710) passes through the fixing plate (211) to be connected with the third gear (720), the third gear (720) is engaged with the fourth gear (730), and the fourth gear (730) is connected with the head (300).

8. The air circulation fan with multiple oscillating manners according to claim 7, wherein a third tooth is provided on the third gear (720), the fourth gear (730) comprises a second transverse plate (731), a fourth limiting post (732) is provided on the upper end surface of the second transverse plate (731), the fourth limiting post (732) is provided through the second opening (301) of the head (300), a fifth limiting post (733) is provided on the lower end surface of the second transverse plate (731), and a fourth tooth (7331) engaged with the third tooth is provided on the fifth limiting post (733).

9. The air circulation fan with multiple oscillating modes according to claim 8, wherein a first limiting step is arranged on the inner side of the fifth limiting column (733), the first housing (210) is provided with a mounting column (212), a second limiting step is arranged on the mounting column (212), the fourth gear (730) is sleeved on the mounting column (212), the second supporting component comprises a third bearing (810), the third bearing (810) is sleeved on the mounting column (212), and the third bearing (810) is clamped between the first limiting step and the second limiting step.

10. The air circulation fan with multiple oscillating modes according to claim 9, wherein the second support assembly comprises a spacer (820) and a connecting member, the connecting member fixing the third bearing (810) on the mounting post (212), the spacer (820) being disposed between the connecting member and the third bearing (810).