CN217440340U

CN217440340U - Up-and-down shaking structure of fan

Info

Publication number: CN217440340U
Application number: CN202221125285.8U
Authority: CN
Inventors: 秦欣宗; 温善恒
Original assignee: Foshan Greenyellow Electric Technology Co ltd
Current assignee: Foshan Greenyellow Electric Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-16
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a structure of shaking from top to bottom of fan, its rotary mechanism are equipped with attenuator or torsional spring, can prevent that the aircraft nose from directly dropping downwards when shaking the end.

Description

Up-and-down shaking structure of fan

Technical Field

The utility model relates to a fan technical field, in particular to structure is waved from top to bottom of fan.

Background

The aircraft nose of fan passes through revolution mechanic and realizes waveing from top to bottom, the aircraft nose equipment has spare parts such as fan page or leaf and motor, because of the assembled position of fan page or leaf and motor, revolution mechanic's restriction of factors such as the position of arranging, the aircraft nose is when waveing from top to bottom, it is difficult to realize static and dynamic rotating balance to make the aircraft nose when waveing from top to bottom and finishing, the aircraft nose can directly drop downwards because of the action of gravity of its own, it can form the impact force to drop downwards, cause the damage to relevant revolution mechanic, and cause bad use experience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of shaking from top to bottom of fan, its rotary mechanism are equipped with attenuator and/or torsional spring, can prevent that the aircraft nose from directly dropping downwards when shaking the end.

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

a fan up-and-down shaking structure comprises a machine head, a support arm and a rotating mechanism, wherein the machine head comprises a machine cover;

the hood can be vertically swung by the rotating mechanism and is connected to the support arm;

the rotating mechanism comprises a damper or a torsion spring which can promote the hood and the support arm to form shaking resistance.

In some embodiments, the rotary mechanism includes a damper and a rotary sleeve, the rotary sleeve being in linkage with the hood; the stator of the damper is connected with the support arm, and the rotor of the damper is connected with the rotary sleeve.

In some embodiments, the rotary mechanism further comprises a retaining sleeve fixedly attached to the support arm;

the rotary sleeve is provided with a limit ring groove, and the fixed sleeve is provided with a limit column matched with the limit ring groove.

In some embodiments, the rotation mechanism further comprises a torsion spring; the torsional spring is arranged between the rotating sleeve and the fixed sleeve.

In some embodiments, the rotation mechanism comprises a torsion spring, a rotating sleeve, and a fixed sleeve; the rotary sleeve is linked with the hood, and the fixed sleeve is fixedly connected with the support arm; the torsional spring is arranged between the rotary sleeve and the fixed sleeve.

In some embodiments, the hood further comprises a driving mechanism, the driving mechanism comprises a first motor, a crank and a connecting rod, the first motor is fixedly connected to the inside of the hood, and the output end of the first motor is connected with the crank;

one end of the connecting rod is hinged with the crank, and the other end of the connecting rod is hinged with the fixed sleeve.

The utility model has the advantages that: the rotating mechanism is provided with a damper and/or a torsion spring, so that the machine head can be prevented from directly falling down when the shaking is finished.

Drawings

Fig. 1 is an isometric view of a fan up-and-down rocking structure according to the present invention;

fig. 2 is an isometric view of a fan up-down rocking structure of the present invention;

FIG. 3 is a structural diagram of the head of the present invention;

FIG. 4 is a view showing the structure of the head of the present invention, in which the leaves are omitted;

FIG. 5 is an exploded view of FIG. 4;

fig. 6 is a structural view of the rotating mechanism of the present invention;

FIG. 7 is a block diagram of another view of FIG. 6;

fig. 8 is a structural view of the rotating mechanism of the present invention;

wherein: 1-machine head; 11-a hood; 12-leaf; 2-a support arm; 3-a drive mechanism; 31-a first motor; 32-crank; 33-a connecting rod; 4-a rotating mechanism; 41-a rotating sleeve; 411-a limit ring groove; 42-fixing the sleeve; 421-limiting column; 43-a damper; 431-a stator; 432-a rotor; 44-torsion spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 8, a vertical rocking structure of a fan includes a machine head 1, a support arm 2 and a rotating mechanism 4;

the head 1 comprises a hood 11; the machine head 1 is provided with a fan blade 12 and a second motor, the second motor is arranged in the machine cover 11, and the second motor drives the fan blade 12 to rotate;

the hood 11 is connected to the support arm 2 in a way of being capable of swinging up and down through the rotating mechanism 4;

the rotation mechanism 4 includes a damper 43 or a torsion spring 44, and the damper 43 or the torsion spring 44 can urge a rocking resistance between the hood 11 and the arm 2. The rotating mechanism 4 can be provided with only the damper 43 or the torsion spring 44, or can be provided with the damper 43 or the torsion spring 44 at the same time;

the machine head 1 can swing up and down under the driving of corresponding power, when the machine head swings up and down, the power can overcome the resistance formed by the damper 43 or the torsion spring 44, when the up-and-down swinging is stopped, namely the power is suspended or disappeared, the resistance formed by the damper 43 or the torsion spring 44 can resist the rotating force formed by the gravity of the machine head 1 to a certain degree, so that the machine head 1 can slowly swing down or fall down, or even the machine head 1 stops swinging down or fall down, namely when the resistance formed by the damper 43 or the torsion spring 44 is greater than the rotating force formed by the gravity of the machine hood 11, the machine hood 11 cannot swing or fall down at the moment when the power is suspended or disappeared, and thus, the arrangement of the damper 43 or the torsion spring 44 can prevent the machine hood 11 from directly falling down when the power is suspended or disappeared.

In an alternative embodiment, the rotating mechanism 4 may only be provided with the damper 43, specifically, referring to fig. 5 to 7, the rotating mechanism 4 includes the damper 43 and the rotating sleeve 41, and the rotating sleeve 41 is linked with the hood 11;

the stator 431 of the damper 43 is connected to the arm 2, and the rotor 432 of the damper 43 is connected to the rotary sleeve 41.

The rotating mechanism 4 also comprises a fixing sleeve 42, and the fixing sleeve 42 is fixedly connected to the support arm 2; the rotary sleeve 41 is provided with a limit ring groove 411, and the fixed sleeve 42 is provided with a limit post 421 which is matched with the limit ring groove 411, so that the rotation angle of the rotary sleeve 41 relative to the fixed sleeve 42 is limited, and the up-and-down shaking angle of the hood 11 is limited.

In an alternative embodiment, the rotating mechanism 4 may be provided with a damper 43 and a torsion spring 44 at the same time, and on the basis of the above embodiment, referring to fig. 5 and 8, the rotating mechanism 4 further includes a torsion spring 44; the torsion spring 44 is arranged between the rotating sleeve 41 and the fixed sleeve 42, and the damper 43 and the torsion spring 44 cooperate to provide resistance.

The two sides of the hood 11 can be provided with corresponding rotating mechanisms 4, the support arm 2 can be in a Y shape or a U shape, when the damper 43 and the torsion spring 44 are arranged, the torsion spring 44 and the damper 43 can be arranged in the rotating mechanism 4 on the same side, the rotating mechanism 4 on one side of the hood 11 can also be provided with the damper 43, and the rotating mechanism 4 on the other side of the hood 11 is provided with the torsion spring 44.

Alternative embodiment, referring to fig. 8, the rotating mechanism 4 may only be provided with a torsion spring 44, specifically, the rotating mechanism 4 includes a torsion spring 44, a rotating sleeve 41 and a fixing sleeve 42;

the rotating sleeve 41 is linked with the hood 11, and the fixed sleeve 42 is fixedly connected with the support arm 2; the torsion spring 44 is provided between the rotary sleeve 41 and the fixed sleeve 42.

Further explaining, the machine head 1 further comprises a driving mechanism 3, the driving mechanism 3 provides power for the swinging of the machine head 1, the driving mechanism 3 comprises a first motor 31, a crank 32 and a connecting rod 33, the first motor 31 is fixedly connected inside the hood 11, and the output end of the first motor 31 is connected with the crank 32;

one end of the connecting rod 33 is hinged with the crank 32, and the other end of the connecting rod 33 is hinged with the fixing sleeve 42.

What has been disclosed above are but some of the embodiments of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The up-and-down shaking structure of the fan is characterized by comprising a machine head (1), a support arm (2) and a rotating mechanism (4), wherein the machine head (1) comprises a machine cover (11);

the hood (11) is connected to the support arm (2) through the rotating mechanism (4) in a manner of being capable of swinging up and down;

the rotating mechanism (4) comprises a damper (43) or a torsion spring (44), and the damper (43) or the torsion spring (44) can promote the hood (11) and the support arm (2) to form shaking resistance.

2. The structure of rocking a fan according to claim 1, wherein the rotation mechanism (4) comprises a damper (43) and a rotary sleeve (41), the rotary sleeve (41) being interlocked with the hood (11);

the stator (431) of the damper (43) is connected with the support arm (2), and the rotor (432) of the damper (43) is connected with the rotating sleeve (41).

3. The structure of rocking a fan up and down as claimed in claim 2, wherein the rotating mechanism (4) further comprises a fixing sleeve (42), the fixing sleeve (42) being fixedly connected to the arm (2);

the rotating sleeve (41) is provided with a limiting ring groove (411), and the fixing sleeve (42) is provided with a limiting column (421) matched with the limiting ring groove (411).

4. A rocking structure of a fan as claimed in claim 3, wherein the rotating mechanism (4) further comprises a torsion spring (44);

the torsion spring (44) is arranged between the rotary sleeve (41) and the fixed sleeve (42).

5. The structure of rocking a fan up and down as claimed in claim 1, wherein the rotation mechanism (4) comprises a torsion spring (44), a rotation sleeve (41) and a fixing sleeve (42);

the rotating sleeve (41) is linked with the hood (11), and the fixed sleeve (42) is fixedly connected with the support arm (2);

the torsion spring (44) is arranged between the rotating sleeve (41) and the fixed sleeve (42).

6. The structure of shaking a fan up and down according to claim 3 or 5, further comprising a driving mechanism (3), wherein the driving mechanism (3) comprises a first motor (31), a crank (32) and a connecting rod (33), the first motor (31) is fixedly connected to the inside of the hood (11), and the output end of the first motor (31) is connected with the crank (32);

one end of the connecting rod (33) is hinged with the crank (32), and the other end of the connecting rod (33) is hinged with the fixed sleeve (42).