CN112761982A

CN112761982A - Rotating assembly and electric fan

Info

Publication number: CN112761982A
Application number: CN202110140486.9A
Authority: CN
Inventors: 黄少杰; 林泽通; 陈宇强; 王勇; 郭宏俊; 刘润生
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-05-07

Abstract

The invention discloses a rotating assembly which comprises a shell, wherein a shaft sleeve is arranged on the shell, the shaft sleeve is connected with a telescopic rod, a limiting structure is arranged on the shaft sleeve, the rotating assembly also comprises a sliding rod arranged in the shell, the sliding rod is matched with the limiting structure, and the sliding rod is pushed to enable the limiting structure and the sliding rod to be separated, so that the shell rotates relative to the telescopic rod. The electric fan comprises a base, and the rotating assembly is arranged on the base. The rotating assembly and the electric fan provided by the invention limit the head shaking angle of the electric fan, the weight of a chassis balancing weight can be reduced, 180-degree folding of a folding fan head can be realized by adopting a button unlocking limiting structure, so that the electric fan is convenient to store, the folding operation process is more convenient by one-key unlocking, pitching positioning friction is reduced, manual operation is more convenient and labor-saving, the one-key folding machine head can be realized by button operation in the unlocking folding process, and the button is arranged on the machine head, so that the operation is more convenient.

Description

Rotating assembly and electric fan

Technical Field

The invention belongs to the field of fans, and particularly relates to a rotating assembly and an electric fan.

Background

The folding fan of shaking head from top to bottom function on the existing market adopts rubber damping fin interference fit to realize mostly, though can realize the arbitrary angle every single move of aircraft nose like this, the chassis counter weight of folding fan also can increase thereupon, and because fold condition needs every single move to adjust more than 180, carries out folding process rubber damping fin easy impaired to the aircraft nose many times, still can be heated and soften, leads to the aircraft nose can automatic gliding at folding process, can't be fixed.

Disclosure of Invention

In order to solve the problems that a rubber damping sheet is easy to damage, is easy to soften by heat and cannot be fixed in the folding process of an electric fan, the invention provides a rotating assembly and the electric fan, the head oscillation angle of the electric fan is limited, the weight of a chassis balancing weight can be reduced, 180-degree folding of the head of a folding fan can be realized by adopting a button unlocking limiting structure, so that the electric fan is convenient to store, and the folding operation process is more convenient due to one-key unlocking.

In order to achieve the purpose, the specific technical scheme of the rotating assembly and the electric fan is as follows:

the utility model provides a rotating assembly, includes the casing, is provided with the axle sleeve on the casing, and the axle sleeve is connected with the telescopic link, is provided with limit structure on the axle sleeve, still including setting up the slide bar in the casing, thereby slide bar and limit structure cooperation promote the slide bar and make limit structure and slide bar break away from the relative telescopic link rotation of casing.

Further, the slide bar comprises a first bar body, a matching portion is arranged on the first bar body, and the matching portion is abutted to the limiting structure, so that the matching portion moves on the limiting structure.

Furthermore, the cooperation portion is provided with spacing platform for the top surface of slide bar, and spacing platform and limit structure cooperate.

Furthermore, a movable plate is arranged on the slide bar, a limiting hole is formed in the movable plate, and the limiting hole is matched with the shaft sleeve to enable the slide bar to move within the length range of the limiting hole.

Furthermore, the end of the first rod body is provided with a second rod body, the end of the second rod body is provided with a third rod body, and the end of the third rod body is connected with a fourth rod body.

Further, be provided with the fixed column on the second body of rod, be provided with the button on the lateral wall of the fourth body of rod, button and fixed column set up relatively.

Further, the casing bottom surface is provided with the spout, and the slide bar moves on the spout, and one side of spout is provided with the elastic component, and the elastic component cover is established on the fixed column.

Furthermore, a mounting hole is formed in the side wall of the shell at the lower end of the sliding groove, and a button on the sliding rod is inserted into the mounting hole.

Furthermore, a buckle is arranged on the bottom surface of the shell on one side of the sliding groove, and the buckle is abutted to the surface of the sliding rod.

Further, the shaft sleeve is provided with a body, the body is vertically provided with a limiting column, and the limiting column is inserted into a limiting hole on the movable plate and horizontally moves in the limiting hole.

Further, a notch is formed in the body, the limiting structures are arranged on two side walls of the notch, each limiting structure comprises a first limiting structure, and a first limiting surface is arranged on each first limiting structure; one side of the first limiting structure is provided with a second limiting structure, and a second limiting surface is arranged on the second limiting structure.

Furthermore, an included angle is formed between the first limiting surface and the second limiting surface.

An electric fan comprises a base, wherein the base is provided with the rotating assembly.

The rotating assembly of the invention has the following advantages: the rotating assembly and the electric fan provided by the invention limit the head shaking angle of the electric fan, the weight of a chassis balancing weight can be reduced, 180-degree folding of a folding fan head can be realized by adopting a button unlocking limiting structure, so that the electric fan is convenient to store, the folding operation process is more convenient by one-key unlocking, pitching positioning friction is reduced, manual operation is more convenient and labor-saving, the one-key folding machine head can be realized by button operation in the unlocking folding process, and the button is arranged on the machine head, so that the operation is more convenient.

Drawings

FIG. 1 is a schematic view of a rotating assembly of the present invention;

FIG. 2 is a schematic structural diagram of the housing of the present invention;

FIG. 3 is a schematic structural view of a slide bar according to the present invention;

FIG. 4 is a schematic structural view of the bushing of the present invention;

FIG. 5 is a schematic structural view illustrating a storage state of the electric fan according to the present invention;

fig. 6 is a schematic structural view of an operating state of the electric fan of the present invention.

The notation in the figure is:

1. a slide bar; 11. a button; 12. fixing a column; 13. a limiting hole; 14. a fitting portion; 15. a first rod body; 16. a second rod body; 17. a third rod body; 18. a fourth rod body; 2. a housing; 21. a chute; 22. an elastic member; 23. buckling; 24. mounting holes; 3. a shaft sleeve; 31. a limiting column; 32. a first limiting surface; 33. a second limiting surface; 4. a base; 41. a balancing weight; 5. a telescopic rod.

Detailed Description

For a better understanding of the objects, structure and function of the invention, a rotating assembly and an electric fan of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the rotating assembly provided by the invention comprises a housing 2, a shaft sleeve 3 is arranged on the housing 2, the shaft sleeve 3 is connected with an expansion link 5, a limiting structure is arranged on the shaft sleeve 3, and the rotating assembly further comprises a sliding rod 1 arranged in the housing 2, wherein the sliding rod 1 is matched with the limiting structure, and the sliding rod 1 is pushed to separate the limiting structure from the sliding rod 1, so that the housing 2 rotates relative to the expansion link 5.

As shown in fig. 3, the sliding rod 1 includes a first rod body 15, a matching portion 14 is disposed on the first rod body 15, and the matching portion 14 abuts against a limiting structure, so that the matching portion 14 moves on the limiting structure, and the matching portion 14 and the limiting structure move relatively in position to drive the shell 2 to rotate relative to the telescopic rod 5, so that the angle between the shell 2 and the telescopic rod 5 changes.

The matching part 14 is provided with a limiting table on the top surface of the sliding rod 1, and the limiting table is matched with the limiting structure.

The sliding rod 1 is provided with a moving plate, the moving plate is provided with a limiting hole 13, the limiting hole 13 is matched with the shaft sleeve 3 to enable the sliding rod 1 to move within the length range of the limiting hole 13, and the moving plate and the limiting table are arranged on the same side.

The end of the first rod 15 is provided with a second rod 16, the end of the second rod 16 is provided with a third rod 17, and the end of the third rod 17 is connected with a fourth rod 18.

A fixed column 12 is arranged on the second rod body 16, a button 11 is arranged on the side wall of the fourth rod body 18, and the button 11 and the fixed column 12 are arranged oppositely.

The bottom surface of the shell 2 is provided with a sliding groove 21, the sliding rod 1 moves on the sliding groove 21, one side of the sliding groove 21 is provided with an elastic part 22, the elastic part 22 is sleeved on the fixed column 12, so that the sliding rod 1 is driven, and the elastic part 22 is compressed to enable the sliding rod 1 to slide on the shell 2 along the sliding groove 21 so as to drive the shaft sleeve 3 to move.

The side wall of the shell 2 at the lower end of the sliding chute 21 is provided with a mounting hole 24, and the button 11 on the sliding rod 1 is inserted into the mounting hole 24 and extends out of the mounting hole 24, so that the button 11 is pressed to compress the spring, and the sliding rod 1 moves in the sliding chute 21.

A catch 23 is provided on the bottom surface of the housing 2 on the side of the slide groove 21, and the catch 23 abuts against the surface of the slide rod 1, thereby restricting the movement of the slide rod 1 so that the slide rod 1 moves in the horizontal direction.

As shown in fig. 4, the shaft sleeve 3 is provided with a body, the body is vertically provided with a limiting column 31, and the limiting column 31 is inserted into the limiting hole 13 on the moving plate and horizontally moves in the limiting hole 13.

The body is provided with a notch, the limiting structures are arranged on two side walls of the notch and comprise first limiting structures, the first limiting structures are stepped surfaces, and first limiting surfaces 32 are arranged on the first limiting structures. Spacing platform and first limit structure joint, first spacing face 32 and spacing bench contact to make slide bar 1 restriction on axle sleeve 3, one side of first limit structure sets up the second limit structure, sets up the spacing face of second 33 on the second limit structure, first limit structure is the same with the structure of second limit structure.

The first limiting surface 32 and the second limiting surface 33 form an included angle smaller than 90 degrees, so that the shaking angle is smaller than 90 degrees.

Be provided with the installation axle on the bottom surface of body, installation axle and telescopic link 5 are connected, and slide bar 1 slides in 2 bottom surfaces of casing for spacing platform and limit structure joint on the slide bar 1 or break away from limit structure, thereby drive casing 2 and telescopic link 5's relative rotation.

The rotating assembly provided by the invention has the advantages that the width of the limiting hole 13 of the sliding rod 1 is matched with the width of the limiting column 31 on the shaft sleeve 3, so that the limiting column 31 can be inserted into the limiting hole 13, the limiting platform of the sliding rod 1 is inserted into the first limiting surface 32 or the second limiting surface 33 of the limiting structure, the pitch angle range of the shell 2 is within the included angle range of the first limiting surface 32 and the second limiting surface 33, the pitch angle is limited to enable the center of the whole machine to be close to the center of the shell 2, thereby lighten counter weight, with elastic component 22 on the slide bar 1, general elastic component 22 sets up to the spring, cup joints spring and fixed column 12, pushes down slide bar 1 and makes slide bar 1 fixed through buckle 23, places slide bar 1 and upwards breaks away from, and the surface and the luxurious laminating of slide bar 1 carry out coaxial cooperation with button 11 and mounting hole 24 at this moment, and slide bar 1 just assembles on casing 2 completely like this.

As shown in fig. 5 and 6, when the pitching state needs to be unlocked, only the button 11 needs to be pressed, at this time, the sliding rod 1 enables the fixed column 12 to compress the spring inwards through the transmission of force, because the limiting hole 13 is set to be oval, in the assembly process, the limiting column 31 on the shaft sleeve 3 is located at the center of the limiting hole 13, the limiting column 31 can slide relative to the limiting hole 13 in the spring compression process, so that the limiting platform can be separated from the county committee range of the first limiting surface 32 and the second limiting surface 33 on the shaft sleeve 3, thereby achieving limiting unlocking, the shell 2 can be folded by 180 degrees, and the storage of the shell 2 relative to the telescopic rod 5 is completed.

The invention also provides an electric fan which is mainly applied to the technical field of folding fans, the relative positions of the shell 2 and the telescopic rod 5 are changed in the using process or the containing process of the folding fan, the pitching angle adjusting limit of the folding fan in normal use is smaller than 90 degrees, and 180-degree folding of a machine head of the folding fan can be realized.

The electric fan provided by the invention comprises a bottom shell, wherein the rotating assembly is arranged on the bottom shell, a balancing weight 41 is arranged on the bottom shell, and the housing 2 is placed to be overweight and inclined.

The electric fan provided by the invention has the advantages that pitching positioning friction is reduced, manual operation is more labor-saving, the oscillating angle can be controlled, the angle is set to be smaller than 90 degrees, the oscillating angle can be set according to different angle requirements, the oscillating angle is smaller than 90 degrees in normal use, a vertical rod is not in a state of being vertical to a machine head, the force arm is small, the gravity center is low, and the weight of a chassis balancing weight 41 can be reduced by the whole fan.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention.

In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a rotating assembly, includes casing (2), is provided with axle sleeve (3) on casing (2), and axle sleeve (3) are connected with telescopic link (5), its characterized in that is provided with limit structure on axle sleeve (3), still including slide bar (1) of setting in casing (2), slide bar (1) and limit structure cooperation to promote slide bar (1) limit structure and slide bar (1) and break away from, make casing (2) relative telescopic link (5) rotate.

2. Rotating assembly according to claim 1, wherein the sliding bar (1) comprises a first bar (15), the first bar (15) being provided with an engaging portion (14), the engaging portion (14) abutting against the limiting structure, such that the engaging portion (14) moves on the limiting structure.

3. Rotating assembly according to claim 2, wherein the engaging portion (14) is a stop provided on the top surface of the slide bar (1), the stop engaging with the stop structure.

4. Rotating assembly according to claim 1, wherein the sliding rod (1) comprises a first rod (15), the first rod (15) is provided with a moving plate, the moving plate is provided with a limiting hole (13), and the limiting hole (13) and the shaft sleeve (3) are matched to enable the sliding rod (1) to move within the length range of the limiting hole (13).

5. Rotating assembly according to claim 4, wherein a second rod (16) is arranged at the end of the first rod (15), a third rod (17) is arranged at the end of the second rod (16), and a fourth rod (18) is connected to the end of the third rod (17).

6. Rotating assembly according to claim 5, wherein the second rod (16) is provided with a fixed post (12) and the fourth rod (18) is provided with a button (11) on its side wall, the button (11) and the fixed post (12) being arranged opposite each other.

7. The rotating assembly according to claim 6, wherein the bottom surface of the housing (2) is provided with a sliding groove (21), the sliding rod (1) moves on the sliding groove (21), one side of the sliding groove (21) is provided with an elastic member (22), and the elastic member (22) is sleeved on the fixed column (12).

8. Rotating assembly according to claim 7, characterized in that the side wall of the housing (2) at the lower end of the sliding chute (21) is provided with a mounting hole (24), and the button (11) on the sliding bar (1) is inserted into the mounting hole (24).

9. Rotating assembly according to claim 8, wherein a catch (23) is provided on the bottom surface of the housing (2) on the side of the slide (21), the catch (23) abutting against a surface of the slide (1).

10. The rotating assembly according to claim 4, wherein the shaft sleeve (3) is provided with a body, the body is vertically provided with a limiting column (31), and the limiting column (31) is inserted into the limiting hole (13) on the moving plate and horizontally moves in the limiting hole (13).

11. The rotating assembly according to claim 10, wherein the body is provided with a notch, the limiting structures are arranged on two side walls of the notch, the limiting structures comprise first limiting structures, and the first limiting structures are provided with first limiting surfaces (32); one side of the first limiting structure is provided with a second limiting structure, and a second limiting surface (33) is arranged on the second limiting structure.

12. The rotating assembly according to claim 11, wherein the first limiting surface (32) and the second limiting surface (33) form an angle.

13. Electric fan, characterized in that it comprises a base (4), the base (4) being provided with a rotating assembly according to any one of claims 1 to 12.