CN218817138U

CN218817138U - Fan swing structure

Info

Publication number: CN218817138U
Application number: CN202223289165.4U
Authority: CN
Inventors: 郝重强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-07
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a fan oscillating structure, including swing motor, protecgulum and hou gai through the fix with screw, set up drive assembly in the inner chamber that protecgulum and hou gai formed, drive assembly includes the drive seat, fix the fan motor on the drive seat, be provided with the pendulum ball on fan motor's the main shaft, the pendulum ball is spacing on the protecgulum and makes pendulum ball and protecgulum be universal rotation through the gland and be connected, the outer wall of pendulum ball is provided with a vertical spacing recess, integrated into one piece has position and spacing groove position matched with spacing lug on the protecgulum, the pendulum ball is connected with the protecgulum and spacing lug card is gone into in the spacing recess. The utility model discloses a structure sets up rationally, and it is provided with a vertical spacing recess on the surface of pendulum ball, not only is favorable to improving area of contact, is favorable to reducing frictional force, also is favorable to improving stationarity and the smooth and easy nature of use, is favorable to preventing the swing, also is favorable to reducing the processing degree of difficulty and processing cost, and the suitability is strong and the practicality is good.

Description

Fan swing structure

Technical Field

The utility model belongs to the technical field of the fan, concretely relates to fan swing structure.

Background

The fan is a household appliance which utilizes a motor to drive fan blades to rotate so as to accelerate the air circulation and bring people with coolness.

In the prior art, as the patent with publication number CN217481578U is named as a swing structure with stable silence and a circulation fan thereof, the swing structure comprises a swing motor, a front cover, a rear cover and a driving component, the front cover is connected with the rear cover, an inner cavity for placing the driving component is arranged between the front cover and the rear cover, the swing motor is arranged on the rear cover, a rotating shaft of the swing motor extends into the inner cavity and is connected with the driving component through a swing rod, meanwhile, the driving component comprises a base, a driving motor and a swing ball, the swing ball is in universal rotation connection with the front cover, a plurality of bumps are distributed on a side wall of the swing ball along the circumferential direction, grooves corresponding to the number of the swing ball bumps are arranged on an inner wall of a cavity, the swing ball is in universal rotation connection with the grooves of the front cover through the bumps, although the swing operation can be realized, in the actual application process, because a plurality of bumps are arranged on the swing ball, the processing difficulty and the processing cost are greatly increased, and because a plurality of bumps are arranged to cooperate with a plurality of the grooves, the contact area of a single bump is reduced, thereby increasing the friction force, the swing stability, the service life and the swing of the swing ball is reduced, and the swing structure is limited in use and the applicability and the circulating fan is limited.

Disclosure of Invention

The utility model aims at providing a structure sets up rationally and is favorable to improving a fan swing structure who uses stationarity.

Realize the technical scheme of the purpose is a fan oscillating structure, including swing motor, through protecgulum and hou gai of fix with screw, set up drive assembly in the inner chamber that protecgulum and hou gai formed, swing motor is fixed and is stretched into the inner chamber and be connected through the swing arm with drive assembly at back caping end and swing motor's main shaft, drive assembly includes the drive seat, fixes fan motor on the drive seat, be provided with the pendulum ball on fan motor's the main shaft, the pendulum ball is spacing in the protecgulum and makes pendulum ball and protecgulum be universal rotation and be connected through the gland, the outer wall of pendulum ball is provided with a vertical spacing recess, on the protecgulum integrated into one piece have the position with spacing lug of spacing groove position matched with, the pendulum ball with the protecgulum is connected just spacing lug card is gone into in the spacing recess.

More preferably: the width of the limiting groove is 2-3 times of the width of the limiting lug.

More preferably: the groove walls of the limiting grooves are planes, and the inner surfaces of the limiting convex blocks are attached to the groove walls of the limiting grooves.

More preferably: the center of pendulum ball is provided with the through-hole, and is provided with a screens face on the inner wall of through-hole, spacing recess and screens face setting are in the both sides of pendulum ball, fan motor's main shaft inserts in the through-hole and spacing through screens face.

More preferably: a spherical concave cavity is arranged between the front cover and the pressing cover, and the swinging ball is located in the spherical concave cavity.

More preferably: the gland is fixed on the front cover through screws.

The utility model discloses has positive effect: the utility model discloses a structure sets up rationally, it is provided with a vertical spacing recess on the surface of pendulum ball, and have on the protecgulum with spacing recess matched with spacing lug, when using, carry on spacingly through a spacing lug and spacing recess, not only be favorable to improving area of contact, be favorable to reducing frictional force, also be favorable to improving stationarity and the smooth and easy nature of using, be favorable to preventing the swing, also be favorable to reducing the processing degree of difficulty and processing cost, use steadily reliably, the suitability is strong and the practicality is good.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the following specific embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the pendulum ball of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1.

Reference numerals are as follows: the device comprises a swing motor 1, a front cover 2, a rear cover 3, a driving assembly 4, a driving seat 41, a fan motor 42, a swing ball 43, a swing arm 5, a gland 6, a limiting groove 7, a limiting bump 8, a through hole 9 and a clamping surface 10.

Detailed Description

(example 1)

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a fan swing structure includes a swing motor 1, a front cover 2 and a rear cover 3 fixed by screws, a driving assembly 4 is disposed in an inner cavity formed by the front cover and the rear cover, the swing motor is fixed at the top end of the rear cover, a main shaft of the swing motor extends into the inner cavity and is connected with the driving assembly through a swing arm 5, the driving assembly 4 includes a driving seat 41 and a fan motor 42 fixed on the driving seat, a swing ball 43 is disposed on the main shaft of the fan motor, the swing ball is limited on the front cover through a gland 6 and is connected with the front cover in a universal rotation manner, in this embodiment, a spherical cavity is disposed between the front cover and the gland, and the swing ball is disposed in the spherical cavity. The gland is fixed on the front cover through screws. The above-mentioned structures are conventional structures in the prior art, and therefore are not described in detail, but simply applied.

The outer wall of pendulum ball is provided with a vertical spacing recess 7, integrated into one piece have the position with spacing recess position matched with spacing lug 8 on the protecgulum, pendulum ball with the protecgulum is connected just spacing lug card is gone into in the spacing recess. In the embodiment, only one limiting groove is arranged to be matched with one limiting lug, so that the cost is reduced, the width of the limiting groove can be set as required in order to increase the contact area of the limiting groove and the limiting lug, the friction force during universal rotation can be reduced, and the stability and smoothness of use are improved, and in the practical application process, the width of the limiting groove is 2-3 times that of the limiting lug. When the pendulum ball rotates in a universal direction, the limit groove and the limit bump are used as fulcrums to limit, the pendulum ball can rotate in the universal direction, the situation that the pendulum ball and the front cover are displaced relatively can not occur, and friction and noise can be reduced.

In the practical application process, the groove walls of the limiting grooves are all planes, and the inner surfaces of the limiting convex blocks are attached to the groove walls of the limiting grooves. The groove wall of the limiting groove is a plane, and the contact surface of the limiting groove and the limiting convex block is a plane, so that the friction force can be reduced, and the contact area can be improved.

In the practical application process, the center of pendulum ball is provided with through-hole 9, and is provided with a screens face 10 on the inner wall of through-hole, spacing recess and screens face setting are in the both sides of pendulum ball, the main shaft of fan motor inserts in the through-hole and spacing through the screens face. By adopting the structure, when the main shaft of the fan motor rotates, the swinging ball can be driven to rotate universally.

The utility model discloses a structure sets up rationally, it is provided with a vertical spacing recess on the surface of pendulum ball, and have on the protecgulum with spacing recess matched with spacing lug, when using, carry on spacingly through a spacing lug and spacing recess, not only be favorable to improving area of contact, be favorable to reducing frictional force, also be favorable to improving stationarity and the smooth and easy nature of using, be favorable to preventing the swing, also be favorable to reducing the processing degree of difficulty and processing cost, use steadily reliably, the suitability is strong and the practicality is good.

The standard parts used in the present embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification can also be obtained directly by processing according to the common general knowledge of the prior art without any doubt, and the connection mode of the parts adopts the conventional means matured in the prior art, and the machines, parts and equipment adopt the conventional models in the prior art, so that the detailed description is not given here.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims

1. The utility model provides a fan swing structure, includes swing motor, through the protecgulum and the hou gai of fix with screw, sets up drive assembly in the inner chamber that protecgulum and back lid formed, swing motor is fixed and stretches into the inner chamber and be connected through the swing arm with drive assembly at back lid top and swing motor's main shaft, drive assembly includes the drive seat, fixes fan motor on the drive seat, be provided with the pendulum ball on fan motor's the main shaft, the pendulum ball is spacing on the protecgulum through the gland and makes pendulum ball be universal rotation with the protecgulum and be connected its characterized in that: the outer wall of pendulum ball is provided with a vertical spacing recess, integrated into one piece have the position with spacing recess position matched with spacing lug on the protecgulum, pendulum ball with the protecgulum is connected just spacing lug card is gone into in the spacing recess.

2. The oscillating structure of a fan as defined in claim 1, wherein: the width of the limiting groove is 2-3 times of the width of the limiting lug.

3. The oscillating structure of a fan as claimed in claim 2, wherein: the groove walls of the limiting grooves are planes, and the inner surfaces of the limiting convex blocks are attached to the groove walls of the limiting grooves.

4. A fan oscillating structure according to claim 3, wherein: the center of pendulum ball is provided with the through-hole, and is provided with a screens face on the inner wall of through-hole, spacing recess and screens face setting are in the both sides of pendulum ball, fan motor's main shaft inserts in the through-hole and spacing through screens face.

5. The oscillating structure of a fan as defined in claim 1, wherein: a spherical concave cavity is arranged between the front cover and the pressing cover, and the swinging ball is located in the spherical concave cavity.

6. The oscillating structure of a fan as defined in claim 1, wherein: the gland is fixed on the front cover through screws.