CN221003219U

CN221003219U - Oscillating mechanism and fan

Info

Publication number: CN221003219U
Application number: CN202322624028.XU
Authority: CN
Inventors: 林永干; 伍国星
Original assignee: New Genius Sz Technology Co ltd
Current assignee: New Genius Sz Technology Co ltd
Priority date: 2023-09-23
Filing date: 2023-09-23
Publication date: 2024-05-24
Anticipated expiration: 2033-09-23

Abstract

A kind of oscillating mechanism and fan, it relates to the technical field of household appliances, including: a base; the rotating chassis is rotationally arranged on the base; the bearings are fixedly arranged on one side, facing the base, of the rotating chassis and are uniformly distributed along the center of the rotating chassis; the bearing pressing plate is fixedly arranged on the base, and the side wall of the bearing pressing plate is abutted with the outer rings of the plurality of bearings, so that the bearings can roll along the side wall of the bearing pressing plate; and the driving assembly is arranged on the rotating chassis and is used for driving the rotating chassis to rotate relative to the base. By adopting the technical scheme, the rotating chassis is driven by the driving assembly to rotate relative to the base, and the rotating chassis can stably rotate relative to the base under the cooperation of the plurality of bearings and the bearing pressing plates without using lubricating oil, so that the abrasion is small, and the service life is long.

Description

Oscillating mechanism and fan

Technical Field

The utility model relates to the technical field of household appliances, in particular to a head shaking mechanism and a fan.

Background

The fan refers to a tool for generating wind and taking out cool in hot days. The electric fan is a device for generating air flow by electric drive, and the fan arranged in the fan is electrified and then turned into natural wind to achieve the effect of cooling.

Among the prior art, as the publication number CN214945177U discloses a mechanism and fan shake head, it includes the base, rotate the support that sets up on the base, locate the first roll draw-in groove on the support, a plurality of intervals set up the rolling element between support and base and locate on the support, be used for driving the support relative to the base take place pivoted driving piece, rolling element and first roll draw-in groove rolling contact, and first roll draw-in groove forms spacingly to the rolling element. Through the rolling fit of rolling element and first roll draw-in groove to carry out spacingly to the roll orbit of rolling element, make and rotate between base and the support nimble reliable, simple structure, convenient assembling.

However, as the service time increases, because the friction force between the rolling element and the first rolling clamping groove in the prior art is larger, the base needs to be disassembled regularly and lubricating oil needs to be smeared on the surfaces of the rolling element and the first rolling clamping groove so as to ensure the rolling effect between the rolling element and the first rolling clamping groove, the base is time-consuming and labor-consuming to disassemble, the labor intensity of a user is increased, the first rolling clamping groove is larger in abrasion, and when the first rolling clamping groove is abraded to a certain extent, a new fan needs to be purchased, so that the service life is shorter.

Disclosure of utility model

The utility model aims at solving the problems that in the prior art, a base needs to be detached regularly to smear lubricating oil on the surfaces of a rolling element and a first rolling clamping groove, time and labor are wasted, the labor intensity of a user is increased, the abrasion of the first rolling clamping groove is large, and the service life of a fan is influenced.

The technical scheme adopted by the utility model is as follows: a panning mechanism comprising: a base; the rotating chassis is rotationally arranged on the base; the bearings are fixedly arranged on one side, facing the base, of the rotating chassis and are uniformly distributed along the center of the rotating chassis; the bearing pressing plate is fixedly arranged on the base, and the side wall of the bearing pressing plate is abutted with the outer rings of the plurality of bearings, so that the bearings can roll along the side wall of the bearing pressing plate; and the driving assembly is arranged on the rotating chassis and is used for driving the rotating chassis to rotate relative to the base.

Preferably, the number of the plurality of bearings is at least three.

Preferably, the bearing pressing plate is provided with a convex edge, the convex edge is arranged along the circumferential direction of the bearing pressing plate, the convex edge is positioned on the upper side of the side wall of the bearing pressing plate, the base is provided with a fixing ring, the fixing ring is matched with the size of the bearing pressing plate, the bottom side of the bearing pressing plate is abutted to the top surface of the fixing ring, and the fixing ring and the convex edge are matched to form a gap for bearing rolling.

Preferably, the driving assembly comprises an annular gear arranged on the bearing pressing plate, a gear matched with the annular gear, and a driving piece for driving the gear to rotate, wherein the annular gear is positioned at the inner side of the bearing pressing plate, and the gear is matched with the annular gear.

Preferably, the driving piece comprises a driving motor fixedly arranged on the rotating chassis, a motor groove is formed in the rotating chassis, the motor groove penetrates through the upper side and the lower side of the rotating chassis, an output shaft of the driving motor penetrates through the motor groove to extend to the lower side of the rotating chassis, and the gear is fixedly arranged at the end part of the output shaft of the driving motor.

Preferably, the rotating base plate is provided with a fixing member for fixing the bearing to the rotating base plate so that the bearing can stably roll on the side wall of the bearing pressing plate.

Preferably, the fixing piece comprises a fixing column fixedly arranged on the rotating chassis, a screw hole formed in the mounting column and a screw used for being in threaded fit with the screw hole, the fixing column is vertically arranged on the bottom side of the rotating chassis, the bearing sleeve is arranged on the fixing column, one end of the screw is in threaded connection with the screw hole, and the head of the screw is in butt joint with the inner ring of the bearing.

The utility model also provides a fan comprising the oscillating mechanism.

After the technical scheme is adopted, the utility model has the beneficial effects that:

1. According to the application, the plurality of bearings are uniformly distributed along the circumferential direction of the rotating chassis, and the outer rings of the plurality of bearings are abutted against the side wall of the bearing pressing plate fixedly connected with the base, so that the bearings can roll along the side wall of the bearing pressing plate, and at the moment, the rotating chassis is driven to rotate by the driving assembly, and the rotating chassis can stably rotate relative to the base under the rolling fit of the bearings and the bearing pressing plate. Compared with the prior art, the application does not need to use lubricating oil regularly, namely does not need to detach the base, reduces the labor intensity of a user, has less abrasion of the bearing pressing plate when the bearing rolls on the side wall of the bearing pressing plate, and prolongs the service life;

2. According to the application, the gear is driven to rotate by the driving motor, the bearing pressing plate is fixedly connected with the base, and the gear is matched with the meshing teeth of the inner gear ring, so that the gear rotates along the circumferential direction of the inner gear ring, the rotating chassis is driven to rotate relative to the base under the matching of the bearing and the bearing pressing plate, namely, the oscillating motion is realized, the structure is simple, the transmission is stable, the production cost is reduced, the rotating chassis can flexibly rotate relative to the base, the flexibility of oscillating of the fan is ensured, and the fan has better market popularization value.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a partial cross-sectional view of the present embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

Fig. 4 is an exploded view of the present embodiment.

Reference numerals illustrate: 1. a base; 11. a bearing pressing plate; 111. a convex edge; 12. a fixing ring; 2. rotating the chassis; 21. a bearing; 22. a receiving groove; 3. a fixing member; 31. fixing the column; 32. a screw hole; 33. a screw; 4. a drive assembly; 41. an inner gear ring; 42. a gear; 43. a driving motor; 44. a motor slot; 5. and a vertical rod.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "back", "side", "circumferential", and the like of the present utility model indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Moreover, the terms first, second, etc. are only used to distinguish a plurality of components or structures having the same or similar structure, and do not denote any particular limitation on the arrangement order or connection relationship.

In one aspect, the embodiment provides a head shaking mechanism, referring to fig. 1 and 2, the head shaking mechanism includes a base 1 and a rotating chassis 2, wherein, the cross sections of the base 1 and the rotating chassis 2 are round, the inside of the base 1 is hollow, the top of the base 1 is open, and the rotating chassis 2 is rotatably arranged on the top surface of the base 1. In this embodiment, the diameter of the rotating chassis 2 is larger than the diameter of the base 1, that is, the top opening of the base 1 is accommodated in the rotating chassis 2, and in other embodiments, the diameter of the rotating chassis 2 may be smaller than or equal to the diameter of the base 1, which is not limited herein.

The fixed a plurality of bearing 21 that is provided with in one side of rotating chassis 2 towards base 1, the center evenly distributed of rotating chassis 2 is followed to a plurality of bearing 21, and 1 internal fixation of base has bearing clamp plate 11, and bearing clamp plate 11 discoid sets up, and the through-hole that runs through has been seted up at bearing clamp plate 11's middle part, and bearing clamp plate 11's lateral wall and the outer lane butt of a plurality of bearing 21 to make bearing 21 roll on bearing clamp plate 11's lateral wall.

Further, the number of bearings 21 is at least three, i.e. three bearings 21 are evenly distributed along the centre of the rotating chassis 2 at the bottom side of the rotating chassis 2. In the present embodiment, the number of the bearings 21 is six, the six bearings 21 are uniformly distributed along the center of the rotating chassis 2, and the outer rings of the six bearings 21 are all abutted against the side wall of the bearing pressing plate 11 and roll on the side wall of the bearing pressing plate 11. In other embodiments, the number of bearings 21 may be increased or decreased correspondingly according to the actual situation, which is not limited herein.

Referring to fig. 2 and 3, the bearing platen 11 is provided with a flange 111, the flange 111 is provided along the circumferential direction of the bearing platen 11, the flange 111 is located on the upper side of the side wall of the bearing platen 11, and the flange 111 is flush with the top surface of the bearing platen 11. The base 1 is internally and fixedly provided with a fixed ring 12, the circle center of the fixed ring 12 coincides with the circle center of the bearing pressing plate 11, the fixed ring 12 and the bearing pressing plate 11 are integrally formed, the bottom side of the bearing pressing plate 11 is abutted to the top surface of the fixed ring 12, and the fixed ring 12 and the convex edge 111 are matched to form a gap for the bearing 21 to roll.

It can be appreciated that, by the cooperation of the flange 111 and the fixing ring 12, the outer ring of the bearing 21 can stably roll in the gap formed by the cooperation of the flange 111 and the fixing ring 12, so that the rotating base 1 can stably rotate relative to the base 1.

Further, in order to enable the bearing 21 to stably roll in the gap formed by the convex edge 111 on the bearing pressing plate 11 and the fixing ring 12, the rotating chassis 2 can stably rotate relative to the base 1, and the fixing member 3 for fixing the bearing 21 on the rotating chassis 2 is arranged on the rotating chassis 2.

In this embodiment, the number of the fixing members 3 is several, the several fixing members 3 are in one-to-one correspondence with the several bearings 21, and the several fixing members 3 fix the several bearings 21 to the bottom side of the rotating chassis 2 one by one.

Specifically, referring to fig. 2 and 4, the fixing member 3 includes a fixing column 31 fixedly disposed on the rotating chassis 2, a screw hole 32 formed in the fixing column 31, and a screw 33 for being screwed with the screw hole 32, wherein the fixing column 31 is vertically disposed, one end of the fixing column 31 is fixedly connected to the bottom side of the rotating chassis 2, the bearing 21 is sleeved on the fixing column 31, the bottom side of the bearing 21 is flush with the bottom end of the fixing column 31, the screw hole 32 is disposed along the length direction of the fixing column 31, the screw is located at one end of the fixing column 31 far away from the rotating chassis 2, one end of the screw 33 is screwed to the screw hole 32, and the head of the screw 33 is abutted to the inner ring of the bearing 21 so as to fix the bearing 21 on the fixing column 31. In addition, a spacer (not shown) is further disposed on the screw 33, and the spacer is used for increasing the contact area between the screw 33 and the bearing 21, so as to further improve the stability of the bearing 21.

Further, a driving component 4 for driving the rotating chassis 2 to rotate relative to the base 1 is further arranged on the rotating chassis 2.

Specifically, the driving assembly 4 includes an inner gear ring 41 disposed on the bearing pressing plate 11, a gear 42 engaged with the inner gear ring 41, and a driving member for driving the gear 42 to rotate, where the inner gear ring 41 is located at a through hole of the bearing pressing plate 11, and an outer side of the inner gear ring 41 is fixedly connected to an inner wall of the through hole of the bearing pressing plate 11, and the gear 42 is engaged with the inner gear ring 41.

The driving piece includes the fixed driving motor 43 who sets up on rotating chassis 2, rotates chassis 2 and has seted up motor groove 44, and motor groove 44 is circular setting, and motor groove 44 runs through the upper and lower both sides of rotating chassis 2, and driving motor 43's output shaft passes motor groove 44 back and stretches to the below of rotating chassis 2, and gear 42 fixed mounting is in driving motor 43's output shaft's tip.

On the other hand, referring to fig. 1, the present embodiment further provides a fan, which includes the above-mentioned oscillating mechanism, a vertical rod 5, and a machine head (not shown in the drawing) disposed on the vertical rod 5, wherein the top surface of the rotating chassis 2 is provided with a receiving slot 22, one end of the vertical rod 5 is rotatably connected in the receiving slot 22, and the vertical rod 5 can be rotated into the receiving slot 22, and the machine head is fixedly mounted at one end of the vertical rod 5 far away from the receiving slot 22. Through the arrangement, the rotating base 1 drives the vertical rod 5 to rotate left and right relative to the base 1, so that the machine head is driven to rotate left and right relative to the base 1, and the fan can shake left and right relative to the base 1.

The working principle of the utility model is approximately as follows: the gear 42 is driven to rotate by the driving motor 43, so that the gear 42 rotates on the tooth slot of the ring gear 41, at this time, the base 1 and the bearing pressing plate 11 are kept motionless, that is, the gear 42 and the motor drive the rotating chassis 2 to rotate relative to the base 1, and the plurality of bearings 21 simultaneously roll in the gap formed by the cooperation of the bearing pressing plate 11 and the fixed ring 12, so that the rotating chassis 2 can rotate relative to the base 1 stably, and the fan can shake the head stably.

The above description is only for the purpose of illustrating the technical solution of the present utility model and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A tilting mechanism, comprising:

a base (1);

The rotating chassis (2) is rotationally arranged on the base (1);

The bearings (21) are fixedly arranged on one side, facing the base (1), of the rotating chassis (2) and are uniformly distributed along the center of the rotating chassis (2);

The bearing pressing plates (11) are fixedly arranged on the base (1), and the side walls of the bearing pressing plates are in contact with the outer rings of the plurality of bearings (21), so that the bearings (21) can roll along the side walls of the bearing pressing plates (11); and

The driving assembly (4) is arranged on the rotating chassis (2) and is used for driving the rotating chassis (2) to rotate relative to the base (1).

2. A tilting mechanism according to claim 1, characterized in that the number of bearings (21) is at least three.

3. The head shaking mechanism according to claim 1, wherein the bearing pressing plate (11) is provided with a convex edge (111), the convex edge (111) is arranged along the circumferential direction of the bearing pressing plate (11), the convex edge (111) is positioned on the upper side of the side wall of the bearing pressing plate (11), the base (1) is provided with a fixed ring (12), the fixed ring (12) is matched with the bearing pressing plate (11) in size, the bottom side of the bearing pressing plate (11) is abutted to the top surface of the fixed ring (12), and the fixed ring (12) and the convex edge (111) are matched to form a gap for a bearing (21) to roll.

4. A tilting mechanism according to claim 1, characterized in that the driving assembly (4) comprises an inner gear ring (41) arranged on the bearing pressing plate (11), a gear (42) engaged with the inner gear ring (41) and a driving member for driving the gear (42) to rotate, wherein the inner gear ring (41) is positioned at the inner side of the bearing pressing plate (11), and the gear (42) is engaged with the inner gear ring (41).

5. The oscillating mechanism according to claim 4, wherein the driving member comprises a driving motor (43) fixedly arranged on the rotating chassis (2), a motor groove (44) is formed in the rotating chassis (2), the motor groove (44) penetrates through the upper side and the lower side of the rotating chassis (2), an output shaft of the driving motor (43) penetrates through the motor groove (44) to extend to the lower side of the rotating chassis (2), and the gear (42) is fixedly arranged at the end part of the output shaft of the driving motor (43).

6. A tilting mechanism according to claim 1, characterized in that the rotating chassis (2) is provided with a fixture (3) for fixing the bearing (21) to the rotating chassis (2) so that the bearing (21) can roll stably on the side wall of the bearing platen (11).

7. The oscillating mechanism according to claim 6, wherein the fixing member (3) comprises a fixing column (31) fixedly arranged on the rotary chassis (2), a screw hole (32) formed in the mounting column, and a screw (33) in threaded fit with the screw hole (32), the fixing column (31) is vertically arranged on the bottom side of the rotary chassis (2), the bearing (21) is sleeved on the fixing column (31), one end of the screw (33) is in threaded connection with the screw hole (32), and the head of the screw (33) is abutted against the inner ring of the bearing (21).

8. A fan comprising a rocking mechanism according to any one of claims 1 to 7.