CN211550060U

CN211550060U - Every single move adjusting part and electric fan

Info

Publication number: CN211550060U
Application number: CN202020038670.3U
Authority: CN
Inventors: 黄少杰; 王勇; 刘建优; 胡健兴; 余丛; 郑泳雁
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-22
Anticipated expiration: 2030-01-09

Abstract

The utility model discloses a pitching adjusting component and an electric fan, wherein the pitching adjusting component is used for adjusting the pitching angle of a fan head relative to a fan body; the pitching adjustment comprises a support, the support is arranged on the machine body, the machine head is rotatably connected to the support, and at least two positioning holes are formed in the support; the machine head is provided with a sliding cavity, and the sliding cavity is provided with a collision bead and an elastic piece; the lower end of the collision ball driven by the elastic part extends out of the sliding cavity and is inserted into one of the positioning holes, so that the machine head and the machine body are fixed in the circumferential direction. Electric fan, adopt the forward type spring to touch the pearl structure, adjust the department through the every single move that has set up the structure that touches pearl and torsional spring and control the aircraft nose in its every single move, realize the stability and the smooth and easy nature that the every single move was adjusted.

Description

Every single move adjusting part and electric fan

Technical Field

The utility model belongs to the fan field especially relates to a every single move adjusting part and electric fan.

Background

The existing pitching adjusting mechanism adopts relative rotation between an adjusting box and a rear shell to adjust, a machine head and the adjusting box are fixed into a component, pitching adjustment is carried out through the adjusting box, a plurality of parts are provided, the installation is inconvenient, the whole machine head (comprising a housing) rotates simultaneously during pitching adjustment, and the adjusting box is not attractive in connection with the front shell and the rear shell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a every single move adjusting part and electric fan to simple structure adjusts the every single move angle of fan aircraft nose.

In order to achieve the above object, the utility model discloses a specific technical scheme as follows of every single move adjusting part and electric fan:

a pitching adjusting assembly is used for adjusting the pitching angle of a fan head relative to a machine body and comprises a support, wherein the support is arranged on the machine body, the fan head is rotatably connected to the support, and at least two positioning holes are formed in the support; the machine head is provided with a sliding cavity, and the sliding cavity is provided with a collision bead and an elastic piece; the lower end of the collision ball driven by the elastic part extends out of the sliding cavity and is inserted into one of the positioning holes, so that the machine head and the machine body are fixed in the circumferential direction.

Furthermore, the elastic part is a spring which is sleeved in the sliding cavity and clamped between the collision bead and the bottom surface of the sliding cavity.

Furthermore, the collision bead comprises a plug part and a connecting part which are fixedly connected with each other, the connecting part is sleeved in the spring, and the plug part is inserted into the positioning hole.

Furthermore, the tail end of the plug part forms a conical surface, and the tail end of the conical surface is spherical.

Furthermore, the inner wall of the support is fixedly connected with a limiting sheet, and the positioning hole is formed in the limiting sheet.

Further, the machine head is provided with a rotating shaft, and the rotating shaft comprises a head part and a post inserting part; the head part is abutted against the outer side of the bracket, and the inserting column part penetrates through the bracket and is inserted into the connecting hole of the machine head.

Furthermore, the rotating shaft is provided with a counter bore along the axis, and the counter bore extends from the head part to the plug part; a bolt is arranged in the countersunk hole and is in threaded connection with a nut arranged in the machine head.

Furthermore, a slide way is formed on the surface of the machine head, the tail end of the slide way extends to the tail end of the counter bore, and the nut slides into the machine head through the slide way.

Furthermore, a torsion spring is arranged on the outer side of the rotating shaft of the machine head, and the torsion spring and the collision bead are positioned on the same side of the machine head; one end of the torsion spring is fixed with the machine head, and the other end of the torsion spring is fixed with the support, so that the torque generated by the torsion spring and the torque generated by the gravity of the machine head are balanced with each other.

An electric fan comprises a machine head, a machine body and the pitching adjusting assembly; the machine head is rotatably connected to the machine body through the pitching adjusting assembly.

The utility model discloses a every single move adjusting part and electric fan has following advantage:

1. different with electric fan structure of shaking the head in the past, this utility model with the torsional spring with bump the pearl and install in same one side with the bolt, under the unchangeable condition of effect that maintains every single move regulation, be convenient for more install, reduced the assembly degree of difficulty.

2. Install torsional spring and bumping the pearl in same one side, can not only the every single move regulation of stable control aircraft nose, certain intensity can be overcome in the installation moreover to this kind of structure, and is simpler than the mode of adorning respectively in both sides in the past, has reduced the assembly degree of difficulty and assembly cost.

3. The torsion spring and the collision ball are arranged on one side of the rotary shaft through the bolt, and the other side of the rotary shaft is fixed through the bolt.

4. The pitching adjustment is carried out through the relative rotation between the machine head and the support, the machine head rotates relative to the whole machine during adjustment, and compared with the pitching adjustment structure of the adjustment box, the pitching adjustment structure has no obvious gap and attractive appearance.

Drawings

Fig. 1 is a schematic structural view of a pitch adjustment assembly of the present invention;

fig. 2 is a cross-sectional view of the pitch adjusting assembly of the present invention.

The notation in the figure is:

1. a machine head; 11. a motor; 12. a sliding cavity; 13. connecting holes; 14. a slideway; 15. an annular groove; 2. a body; 3. a support; 31. a base plate; 32. a side plate; 321. an installation port; 4. bumping beads; 41. a plug portion; 42. a connecting portion; 5. a spring; 6. a limiting sheet; 61. positioning holes; 62. a claw; 7. a rotating shaft; 71. a head portion; 72. a plug portion; 73. a countersunk hole; 8. a torsion spring.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description of the pitching adjusting assembly and the electric fan according to the present invention is made in detail with reference to the accompanying drawings.

As shown in figure 1, the electric fan of the utility model comprises a machine head 1 and a machine body 2, wherein the machine head 1 is rotatably connected to the machine body 2 through a pitching adjusting component. The machine head 1 is provided with a motor 11, and the motor 11 rotates to drive the fan blades on the machine head 1 to rotate. The machine body 2 is connected with the machine head 1 through a pitching adjusting component, and the pitching angle of the machine head 1 is adjusted through the pitching adjusting component.

The pitching adjusting assembly comprises a support 3, the support 3 is installed on the machine body 2, and the machine head 1 is rotatably connected to the support 3. The handpiece 1 is formed with a sliding cavity 12, and the sliding cavity 12 is provided with a collision bead 4. At least two positioning holes 61 are formed in the bracket 3. An elastic piece is arranged in the sliding cavity 12, and the collision bead 4 is driven by the elastic piece, so that one end of the collision bead 4 extends out of the sliding cavity 12 and is inserted into one of the positioning holes 61, and the machine head 1 and the machine body 2 are fixed in the circumferential direction.

The elastic part is a spring 5, and the spring 5 is sleeved in the sliding cavity 12 and clamped between the collision bead 4 and the bottom surface of the sliding cavity 12. The ball 4 includes a plug portion 41 and a connecting portion 42 which are integrally formed. The connecting portion 42 is columnar and is fitted in the spring 5. The tip of the plug portion 41 is tapered and has a spherical shape at the tapered tip. The plug portion 41 is adapted to be inserted into the positioning hole 61, and due to the small front and large rear shape of the plug portion 41, the plug portion 41 is easily inserted into the positioning hole 61, and the collision bead 4 is prevented from falling out of the slide movement chamber 12.

In order to ensure the strength of the positioning hole 61, the inner wall of the bracket 3 is fixedly connected with a limiting sheet 6, and the positioning hole 61 is arranged on the limiting sheet 6. The edge of the limiting sheet 6 is provided with a claw 62 arranged along the normal direction, the inner wall of the bracket 3 is provided with at least an installation opening 321, and the claw 62 is clamped into the installation opening 321, so that the limiting sheet 6 is fixed and the bracket 3 is fixed.

The bracket 3 comprises a bottom plate 31, two side plates 32 are formed on two sides of the bottom plate 31, and the two side plates 32 are respectively provided with a rotating shaft 7 and are rotatably connected with the machine head 1 through the rotating shaft 7. In order to mount the rotating shaft 7, the head 1 is formed with a coupling hole 13, the rotating shaft 7 includes a head portion 71 and a post portion 72, the head portion 71 abuts on the outer side of the side plate 32, and the post portion 72 penetrates the side plate 32 and is inserted into the coupling hole 13, so that the head 1 and the side plate 32 are rotatably coupled. The rotary shaft 7 is formed with a counter bore 73 along the axis, the counter bore 73 extending from the head portion 71 into the stud portion 72, a bolt provided in the counter bore 73, and the bolt is threadedly coupled with a nut provided in the head 1 to fix the rotary shaft 7. The surface of the machine head 1 is provided with a slide way 14, the tail end of the slide way 14 extends to the tail end of the counter bore 73, and the slide way 14 is used for sliding the nut into the machine head 1.

In order to share the weight of aircraft nose 1, aircraft nose 1 forms ring channel 15 in the pivot 7 outside, and ring channel 15 endotheca is equipped with

torsional spring

8, and 8 one ends of torsional spring are fixed with aircraft nose 1, and the other end is fixed with support 3 to the torque that 8 torsional springs produced and 1 gravity of aircraft nose produce the torque and balance each other, and it is same one side with aircraft nose to bump pearl 4 and torsional spring 8 in addition, thereby reduces and bumps the intensity requirement of pearl 4.

Therefore, the traditional pitching box is cancelled, the structure of the front-mounted spring 5 and the collision bead 4 is adopted, the pitching adjustment of the machine head 1 is controlled through the structure of the collision bead 4 and the torsion spring 8 at the pitching adjustment position, and the stability and the smoothness of the pitching adjustment are realized.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof 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, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. A pitching adjusting assembly is used for adjusting the pitching angle of a fan machine head (1) relative to a machine body (2), and is characterized by comprising a support (3), wherein the support (3) is arranged on the machine body (2), the machine head (1) is rotatably connected to the support (3), and at least two positioning holes (61) are formed in the support (3); the head (1) is provided with a sliding cavity (12), and the sliding cavity (12) is provided with a collision bead (4) and an elastic piece; one end of the collision bead (4) extends out of the sliding cavity (12) under the driving of the elastic element and is inserted into one positioning hole (61), so that the machine head (1) and the machine body (2) are fixed in the circumferential direction.

2. A pitch adjustment assembly according to claim 1, wherein the resilient member is a spring (5), the spring (5) fitting within the glide cavity (12) and being clamped between the ball (4) and the floor of the glide cavity (12).

3. Pitching adjustment assembly according to claim 2, wherein the ball catch (4) comprises a plug portion (41) and a connecting portion (42) fixed to each other, the connecting portion (42) is sleeved in the spring (5), and the plug portion (41) is used for being inserted into the positioning hole (61).

4. A pitch adjustment assembly according to claim 3, wherein the plug portion (41) is tapered at its end and is spherical at its end.

5. The pitch adjustment assembly according to claim 1, wherein a limiting piece (6) is fixedly connected to the inner wall of the bracket (3), and the positioning hole (61) is formed in the limiting piece (6).

6. Pitch adjustment assembly according to claim 1, wherein the head (1) is provided with a shaft (7), the shaft (7) comprising a head portion (71) and a post portion (72); the head part (71) is abutted against the outer side of the bracket (3), and the plug-in post part (72) penetrates through the bracket (3) and is inserted into the connecting hole (13) of the handpiece (1).

7. The pitch adjustment assembly of claim 6 wherein the shaft (7) is formed with a counterbore (73) along the axis, the counterbore (73) extending from the head portion (71) into the mast portion (72); a bolt is arranged in the counter bore (73) and is in threaded connection with a nut arranged in the machine head (1).

8. A pitch adjustment assembly according to claim 7, wherein the head (1) is formed with a slideway (14) in a surface thereof, the end of the slideway (14) extending to the end of the counterbore (73), the slideway (14) allowing the nut to slide into the head (1).

9. Pitching adjustment assembly according to claim 6, wherein the head (1) is provided with a torsion spring (8) outside the shaft (7), the torsion spring (8) and the collision bead (4) being located on the same side of the head (1); one end of the torsion spring (8) is fixed with the machine head (1), and the other end of the torsion spring is fixed with the support (3), so that the torque generated by the torsion spring (8) and the torque generated by the gravity of the machine head (1) are balanced with each other.

10. An electric fan, characterized by comprising a head (1) and a body (2), and a pitch adjustment assembly according to any one of claims 1-9; the machine head (1) is rotatably connected to the machine body (2) through a pitching adjusting component.