CN210127968U

CN210127968U - Oscillating mechanism and fan with same

Info

Publication number: CN210127968U
Application number: CN201921024410.4U
Authority: CN
Inventors: 余丛; 林海利; 陈宇强; 张超; 张晓泉
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-03-06
Anticipated expiration: 2029-07-01

Abstract

The utility model provides a mechanism of shaking head and have its fan, the mechanism of shaking head for be connected with the aircraft nose of fan, rotate around predetermined axis with the drive aircraft nose, the mechanism of shaking head includes: the first component is connected with the machine head so as to drive the machine head to rotate; the body of the driving part is connected with the first part so as to drive the first part to rotate; crank assembly, crank assembly all is connected with the chassis of driving piece and fan, and crank assembly's at least part and the mutual backstop in chassis to when the drive shaft drive crank assembly of driving piece rotates, through the mutual backstop effect between crank assembly and the chassis, the body of drive driving piece rotates, drives first part rotation with the body through the driving piece, in order to solve the problem that the mechanism structure of shaking the head among the prior art is complicated.

Description

Oscillating mechanism and fan with same

Technical Field

The utility model relates to a mechanical design particularly, relates to a mechanism of shaking head and have its fan.

Background

At present, most of oscillating structures of electric fans in the market are positioned on machine heads, and when the machine heads of the fans are in a non-horizontal state, the gravity centers of the machine heads are not in the same horizontal plane when the fans oscillate. Due to the influence of gravity, the synchronous motor is affected by alternating stress, and the service life of the synchronous motor is greatly shortened under the influence of the alternating stress.

In addition, synchronous machine and link mechanism's structure is complicated, still need set up the swing stroke of stop gear restriction aircraft nose alone for current oscillating mechanism occupies very big space in aircraft nose portion, and aircraft nose portion volume is hypertrophied, influences holistic pleasing to the eye degree.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a mechanism of shaking head and have its fan to solve the problem that the mechanism of shaking head among the prior art structure is complicated.

In order to achieve the above object, according to an aspect of the present invention, there is provided an oscillation mechanism for connecting with a head of a fan to drive the head to rotate around a predetermined axis, the oscillation mechanism comprising: the first component is connected with the machine head so as to drive the machine head to rotate; the body of the driving part is connected with the first part so as to drive the first part to rotate; the crank assembly, the chassis of crank assembly and driving piece and fan all is connected, and the mutual backstop in at least part and the chassis of crank assembly to when the drive shaft drive crank assembly of driving piece rotates, through the mutual backstop effect between crank assembly and the chassis, the body of drive driving piece rotates, drives first part rotation with the body through the driving piece.

Further, the crank assembly comprises: the first end of the crank is connected with the driving shaft so as to drive the crank to rotate through the driving shaft; the crank is provided with a stopping part, so that when the crank drives the rocking plate to rotate, the body of the driving piece is driven to rotate through the acting force of the stopping part and the mutual stopping of the chassis.

Furthermore, a limiting boss is arranged on the chassis, the stopping part is a clamping groove matched with the limiting boss, and at least part of the limiting protrusion is inserted into the clamping groove so that the limiting boss and the clamping groove can stop each other.

Furthermore, a through hole is formed in the rocking plate, and the clamping groove is communicated with the through hole; be provided with on the chassis with clearing hole complex sleeve, spacing boss sets up on telescopic outer wall, and telescopic at least part inserts in the passing hole to make spacing boss and draw-in groove joint.

Further, the crank assembly further comprises: the first end of connecting rod is connected with the crank, and the second end of connecting rod is connected with the rocking plate to drive the connecting rod through the interact power between chassis and the backstop portion and remove, and then make the connecting rod pass through the body removal that the crank drove the driving piece.

Furthermore, a first end of the connecting rod is provided with a first connecting hole, the crank is provided with a step structure, and the first connecting hole is sleeved on the step end face of the step structure so that the connecting rod is connected with the crank.

Furthermore, a locking hole is formed in the step structure, and the hole center line of the locking hole and the axis of the step structure are located on the same straight line; the locking hole is a threaded hole to pass at least part of the stopping bolt through the locking hole and be in threaded connection with the locking hole to stop the connecting rod through the nut.

Furthermore, the rocking plate is provided with a limiting bulge, a second connecting hole matched with the limiting bulge is formed in the second end of the connecting rod, and the second connecting hole is sleeved on the outer surface of the limiting bulge so that the connecting rod is connected with the rocking plate.

Further, an installation space is arranged below the first component, and at least part of the driving piece is installed in the installation space and fixedly connected with the first component.

Further, a connecting portion is arranged on the driving member, a positioning block is arranged on the first component, the connecting portion comprises a positioning hole matched with the positioning block, and at least part of the positioning block penetrates through the positioning hole so as to install the driving member at a first preset position.

Further, the oscillating mechanism further comprises: the gasket is at least partially arranged between the first component and the rocking plate and fixedly connected with the first component so as to reduce the abrasion between the first component and the rocking plate when the first component rotates.

Furthermore, an avoiding opening is formed in the gasket and used for avoiding a driving shaft of the driving piece.

Furthermore, a positioning protrusion is arranged on the first component, a positioning opening matched with the positioning protrusion is arranged on the gasket, and the positioning opening is clamped with the positioning protrusion to install the gasket at a second preset position.

Further, the positioning protrusion is plural, and the plural positioning protrusions are arranged at intervals around the predetermined axis.

According to the utility model discloses an on the other hand provides a fan, including the base with the mechanism of shaking the head, the mechanism of shaking the head at least part is installed in the base, the mechanism of shaking the head for foretell mechanism of shaking the head.

By applying the technical proposal of the utility model, the head shaking mechanism provided by the utility model is used for being connected with the machine head of the fan to drive the machine head to rotate around a preset axis, and comprises a first part, a driving part and a crank component, wherein the first part is connected with the machine head to drive the machine head to rotate, the body of the driving part is connected with the first part to drive the first part to rotate, the crank component is connected with the driving part and the chassis of the fan, at least part of the crank component is mutually stopped with the chassis, when the driving shaft of the driving part drives the crank component to rotate, the body of the driving part is driven to rotate through the mutual stopping function between the crank component and the chassis, so that the body of the driving part is driven to rotate through the body of the driving part, the structure is simple and convenient to implement, and the body of the driving part is driven to rotate through the acting force of the, the swing mechanism can limit the rotation stroke of the first component, a stroke limiting mechanism does not need to be added in the swing mechanism independently, the structure of the swing mechanism is simpler, and the problem that the swing mechanism in the prior art is complex in structure is solved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic construction of an embodiment of an oscillating mechanism according to the invention; and

fig. 2 shows a front view of a first component according to the invention;

figure 3 shows a top view of a first component according to the invention;

figure 4 shows a schematic structural view of an embodiment of a driving member according to the invention;

fig. 5 shows a schematic structural view of an embodiment of the crank according to the invention;

fig. 6 shows a schematic structural view of an embodiment of a connecting rod according to the present invention;

FIG. 7 illustrates a schematic structural view of a first perspective of a rocker paddle according to the present invention;

FIG. 8 illustrates a schematic structural view of a second perspective of a rocker paddle according to the present invention;

fig. 9 shows a schematic structural view of an embodiment of the chassis according to the invention;

fig. 10 shows a schematic structural view of an embodiment of a gasket according to the present invention;

fig. 11 shows a schematic structural diagram of an embodiment of a fan according to the present invention.

Wherein the figures include the following reference numerals:

1. a machine head; 2. a base; 10. a first member; 11. positioning blocks; 12. positioning the projection; 20. a drive member; 21. a drive shaft; 210. positioning holes; 22. a connecting portion; 220. mounting holes; 30. a crank assembly; 6. a chassis; 61. a limiting boss; 62. a sleeve; 31. a crank; 310. a clamping hole; 311. a locking hole; 312. a step structure; 32. shaking the plate; 320. a stopper portion; 321. a card slot; 322. through the hole; 33. a connecting rod; 330. a first connection hole; 331. a second connection hole; 40. a gasket; 41. avoiding the opening; 42. the opening is positioned.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The utility model provides a mechanism of shaking head, please refer to fig. 1 to 11 for be connected with aircraft nose 1 of fan, rotate around predetermined axis with drive aircraft nose 1, the mechanism of shaking head includes: the first component 10, the first component 10 is connected with the aircraft nose 1, in order to drive the aircraft nose 1 to rotate; the driving part 20, the body of the driving part 20 is connected with the first part 10 to drive the first part 10 to rotate; the crank assembly 30, the crank assembly 30 and the driving member 20 are connected with the chassis 6 of the fan, at least a portion of the crank assembly 30 is stopped with the chassis 6, so that when the driving shaft 21 of the driving member 20 drives the crank assembly 30 to rotate, the body of the driving member 20 is driven to rotate through the stopping action between the crank assembly 30 and the chassis 6, and the body of the driving member 20 drives the first component 10 to rotate.

According to the utility model provides a mechanism of shaking head for be connected with aircraft nose 1 of fan, rotate around predetermined axis with drive aircraft nose 1, the mechanism of shaking head includes first part 10, driving piece 20 and crank assembly 30, first part 10 is connected with aircraft nose 1, rotate with drive aircraft nose 1, the body of driving piece 20 is connected with first part 10, rotate with drive first part 10, crank assembly 30 is all connected with driving piece 20 and chassis 6 of fan, at least part and the mutual backstop of chassis 6 of crank assembly 30, when drive shaft 21 of driving piece 20 drives crank assembly 30 and rotates, through the mutual backstop effect between crank assembly 30 and chassis 6, the body of driving piece 20 is driven and is rotated, in order to drive first part 10 and rotate through the body of driving piece 20, simple structure and easy to carry out, and through the effort of mutual backstop between crank assembly and the chassis, the body that drives driving piece 20 rotates, can also restrict the rotation stroke of first part 10, need not to increase the restriction stroke mechanism alone in shaking the head mechanism, makes the structure of shaking the head mechanism simpler, has solved the problem that the mechanism structure of shaking the head among the prior art is complicated.

Specifically, as shown in fig. 1 to 9, the crank assembly 30 includes: the first end of the crank 31 is connected with the driving shaft 21 so as to drive the crank 31 to rotate through the driving shaft 21, the crank 31 is provided with a clamping hole 310, and at least part of the driving shaft 21 penetrates through the clamping hole 310 to be clamped with the clamping hole 310, so that the driving shaft 21 drives the crank 31 to rotate; the second end of the crank 31 is connected with the rocking plate 32, and the rocking plate 32 is provided with a stopping part 320, so that when the crank 31 drives the rocking plate 32 to rotate, the body of the driving part 20 is driven to rotate by the acting force of the stopping part 320 and the chassis 6 stopping each other; the radial section of the driving end of the driving shaft 21 is D-shaped, and the clamping hole 310 is matched with the driving end of the driving shaft 21 so as to realize the clamping connection of the driving shaft 21 and the clamping hole 310.

Preferably, in order to facilitate the mutual stopping between the rocking plate 32 and the chassis 6, the chassis 6 is provided with a limiting boss 61, the stopping portion 320 is a slot 321 matched with the limiting boss 61, and at least a part of the limiting boss 61 is inserted into the slot, so that the limiting boss 61 and the slot are mutually stopped.

In the embodiment provided by the present invention, the rocking plate 32 is provided with a through hole 322, and the engaging groove 321 is communicated with the through hole 322; the chassis 6 is provided with a sleeve 62 matched with the through hole 322, the limiting boss 61 is arranged on the outer wall of the sleeve 62, and at least part of the sleeve 62 is inserted into the through hole 322 so that the limiting boss 61 is clamped with the clamping groove 321.

In particular implementation, the crank assembly 30 further comprises: the connecting rod 33, the first end of the connecting rod 33 is connected with the crank 31, the second end of the connecting rod 33 is connected with the rocking plate 32, so as to drive the connecting rod 33 to move through the interaction force between the chassis 6 and the stopping portion 320, and further to enable the connecting rod 33 to drive the body of the driving part 20 to move through the crank 31, and as the driving shaft 21 drives the crank 31 to do circular motion, the connecting rod 33 is connected between the rocking plate 32 and the crank 31, so as to enable the rocking plate 32 to stop against the chassis 6, and drive the body of the driving part 20 to rotate through the connecting rod 33, and meanwhile, the rotation stroke of the body of the driving part 20 can be.

Preferably, in order to facilitate the connection between the crank 31 and the rocker plate 32 by the connecting rod 33, the first end of the connecting rod 33 is provided with a first connecting hole 330, the crank 31 is provided with a step structure 312, and the first connecting hole 330 is sleeved on a step end surface of the step structure 312, so that the connecting rod 33 is connected with the crank 31; preferably, the step structure 312 is a circular truncated cone structure, so that the crank 31 rotates the connecting rod 33 or the connecting rod 33 rotates the crank 31.

Furthermore, the stepped structure 312 is provided with a locking hole 311, and the hole center line of the locking hole 311 and the axis of the stepped structure 312 are located on the same straight line; the locking hole 311 is a threaded hole so as to stop the connecting rod 33 through a nut by enabling at least part of the stop bolt to penetrate into the locking hole 311 and be in threaded connection with the locking hole 311, and thus the arrangement can prevent the connecting rod 33 from being separated from the crank 31 in the process of driving the connecting rod 33 to rotate, and the oscillating mechanism is prevented from being out of service.

In order to facilitate the connection between the connecting rod 33 and the rocking plate 32, a limiting protrusion is arranged on the rocking plate 32, a second connecting hole 331 matched with the limiting protrusion is arranged at the second end of the connecting rod 33, and the second connecting hole 331 is sleeved on the outer surface of the limiting protrusion so as to connect the connecting rod 33 and the rocking plate 32; preferably, the limiting protrusion is of a circular truncated cone structure, the second connecting hole 331 is sleeved on the step end face of the circular truncated cone structure, preferably, a matching hole is formed in the limiting protrusion and is a threaded hole, at least part of the stopping nut penetrates into the matching hole and is in threaded connection with the matching hole, so that the nut of the stopping nut stops the connecting rod 33, the connecting rod 33 is prevented from being separated from the rocking plate 32 in the transmission process, and the oscillating mechanism is prevented from failing.

In order to save installation space and simultaneously ensure the rotation synchronism of the body of the driving member 20 and the first component 10, an installation space is arranged below the first component 10, and at least part of the driving member 20 is arranged in the installation space and fixedly connected with the first component 10.

In a specific implementation, the driving member 20 is provided with a connecting portion 22, the first component 10 is provided with a positioning block 11, the connecting portion 22 includes a positioning hole 210 matched with the positioning block 11, and at least a portion of the positioning block 11 passes through the positioning hole 210 to mount the driving member 20 at a first predetermined position; the connecting portion 22 further has a mounting hole 220 for engaging the positioning hole 210 at the positioning block 11, and the driving member 20 is connected to the first member 10 through the mounting hole 220.

In the embodiment provided by the utility model, the mechanism of shaking the head still includes: and a gasket 40, at least part of the gasket 40 is arranged between the first component 10 and the rocking plate 32, and the gasket 40 is fixedly connected with the first component 10 so as to reduce the abrasion between the first component 10 and the rocking plate 32 when the first component 10 rotates.

Preferably, as shown in fig. 10 and 11, the spacer 40 is provided with an avoidance opening 41 for avoiding the driving shaft 21 of the driving member 20.

In order to conveniently mount the gasket 40, the first component 10 is provided with a positioning protrusion 12, the gasket 40 is provided with a positioning opening 42 matched with the positioning protrusion 12, and the positioning opening 42 is clamped with the positioning protrusion 12 so as to mount the gasket 40 at a second preset position; preferably, the positioning projection 12 is plural, and the plural positioning projections 12 are arranged at intervals around a predetermined axis.

In a specific use process, when the driving shaft 21 rotates clockwise and the driving crank 31 drives the connecting rod 33 to rotate clockwise, the connecting rod 33 pulls the body of the driving part 20 to move anticlockwise through the stopping acting force of the rocking plate 32 and the chassis 6; the driving shaft 21 continues to drive the first end of the connecting rod 33 to rotate, when the distance between the first end of the connecting rod 33 and the limiting protrusion of the rocking plate 32 is smaller than the length of the body of the connecting rod 33, the rocking plate 32 pushes the body of the driving member 20 to move clockwise through the connecting rod 33, so as to complete one reciprocating motion of the driving member 20,

the utility model also provides a fan, including base 2 and the mechanism of shaking the head, the mechanism of shaking the head at least part is installed in base 2, and the mechanism of shaking the head is the mechanism of shaking the head of above-mentioned embodiment.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A head shaking mechanism for being connected with a head (1) of a fan to drive the head (1) to rotate around a predetermined axis, characterized in that the head shaking mechanism comprises:

the first component (10), the first component (10) is connected with the machine head (1) to drive the machine head (1) to rotate;

the driving part (20), the body of the driving part (20) is connected with the first part (10) to drive the first part (10) to rotate;

the crank assembly (30), the crank assembly (30) is connected with the driving part (20) and the chassis (6) of the fan, at least part of the crank assembly (30) and the chassis (6) are mutually stopped, so that when the driving shaft (21) of the driving part (20) drives the crank assembly (30) to rotate, the body of the driving part (20) is driven to rotate through the mutual stopping effect between the crank assembly (30) and the chassis (6), and the first component (10) is driven to rotate through the body of the driving part (20).

2. An oscillating mechanism according to claim 1, characterized in that said crank assembly (30) comprises:

a crank (31), wherein a first end of the crank (31) is connected with the driving shaft (21) so as to drive the crank (31) to rotate through the driving shaft (21);

shake board (32), the second end of crank (31) with shake board (32) and connect, it is provided with backstop portion (320) to shake on board (32), with crank (31) drive when shaking board (32) and rotating, through backstop portion (320) with the effort of the mutual backstop in chassis (6), drive the body of driving piece (20) rotates.

3. A moving head mechanism according to claim 2, characterized in that a limiting boss (61) is arranged on said chassis (6), said stopping portion (320) is a slot (321) fitted with said limiting boss (61), at least part of said limiting boss (61) is inserted into said slot, so that said limiting boss (61) and said slot stop each other.

4. An oscillating mechanism according to claim 3, characterized in that said rocking plate (32) is provided with a through hole (322), said catching groove (321) communicating with said through hole (322); be provided with on chassis (6) with through hole (322) complex sleeve (62), spacing boss (61) set up on the outer wall of sleeve (62), at least part of sleeve (62) is inserted in through hole (322), so that spacing boss (61) with draw-in groove (321) joint.

5. An oscillating mechanism according to claim 2, characterized in that said crank assembly (30) further comprises:

the first end of the connecting rod (33) is connected with the crank (31), the second end of the connecting rod (33) is connected with the rocking plate (32), so that the connecting rod (33) is driven to move through the interaction force between the chassis (6) and the stopping part (320), and the connecting rod (33) drives the body of the driving part (20) to move through the crank (31).

6. A moving head mechanism according to claim 5, characterized in that the first end of the connecting rod (33) is provided with a first connecting hole (330), the crank (31) is provided with a step structure (312), the first connecting hole (330) is arranged on the step end surface of the step structure (312) so that the connecting rod (33) is connected with the crank (31).

7. A moving head mechanism according to claim 6, characterized in that said step structure (312) is provided with a locking hole (311), the hole center line of said locking hole (311) and the axis of said step structure (312) are located on the same straight line; the locking hole (311) is a threaded hole so that at least part of a stopping bolt penetrates into the locking hole (311) and is in threaded connection with the locking hole (311) to stop the connecting rod (33) through a nut.

8. An oscillating mechanism according to claim 5, characterized in that the rocking plate (32) is provided with a limiting protrusion, the second end of the connecting rod (33) is provided with a second connecting hole (331) matched with the limiting protrusion, the second connecting hole (331) is sleeved on the outer surface of the limiting protrusion, so that the connecting rod (33) is connected with the rocking plate (32).

9. An oscillating mechanism according to claim 1, characterized in that an installation space is provided below the first part (10), in which installation space at least part of the driving member (20) is mounted and fixedly connected to the first part (10).

10. An oscillating mechanism according to claim 9, characterized in that the driving member (20) is provided with a connecting portion (22), the first part (10) is provided with a positioning block (11), the connecting portion (22) comprises a positioning hole (210) cooperating with the positioning block (11), at least part of the positioning block (11) passes through the positioning hole (210) for mounting the driving member (20) in a first predetermined position.

11. An oscillating mechanism according to claim 2, characterized in that it further comprises:

a shim (40), at least a portion of the shim (40) being disposed between the first component (10) and the rocker plate (32), the shim (40) being fixedly connected to the first component (10) to slow wear between the first component (10) and the rocker plate (32) as the first component (10) rotates.

12. A moving head mechanism according to claim 11, characterized in that said spacer (40) is provided with an escape opening (41) for escaping a drive shaft (21) of said driving member (20).

13. A moving head mechanism according to claim 11, characterized in that said first part (10) is provided with a positioning protrusion (12), said spacer (40) is provided with a positioning opening (42) cooperating with said positioning protrusion (12), said positioning opening (42) is snap-fitted with said positioning protrusion (12) for mounting said spacer (40) in a second predetermined position.

14. A moving head mechanism according to claim 13, characterized in that said positioning protrusions (12) are plural, said positioning protrusions (12) being arranged spaced apart around a predetermined axis.

15. A fan comprising a base (2) and an oscillating mechanism, at least part of which is mounted in said base (2), characterized in that said oscillating mechanism is according to any of claims 1-14.