CN220168201U

CN220168201U - Low-abrasion omnibearing swinging structure and swinging fan thereof

Info

Publication number: CN220168201U
Application number: CN202321397283.9U
Authority: CN
Inventors: 朱进发
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-12-12
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a low-abrasion omnibearing swing structure and a swing fan thereof, belonging to the technical field of small household appliances, and comprising a swing motor, a swing arm, a main motor component and a swing mechanism, wherein a ball groove is arranged at the joint of the swing arm and a shell, a ball valve is correspondingly arranged at the upper end of the shell, the ball groove accommodates and is matched with the ball valve, and the main motor component is movably matched and connected with the ball groove of the swing arm through the ball valve; the swing mechanism comprises a rotating ball, a detachable ball sleeve is coated on the periphery of the rotating ball, and the outer surface of the rotating ball is mutually matched with the inner surface of the ball sleeve; the two sides of the rotary ball are rotationally connected with the two transverse ends of the ball sleeve, and the two longitudinal ends of the ball sleeve are rotationally connected with the cover body. Through setting up the ball of turning on the installation department, with ball cover looks adaptation each other, rotate with the cover body with the help of ball cover pivot and be connected, solve the great problem of clearance that exists when traditional pendulum changes mechanism hinge fit, improved pendulum changes the structural stability of fan greatly.

Description

Low-abrasion omnibearing swinging structure and swinging fan thereof

Technical Field

The utility model belongs to the technical field of small household appliances, and particularly relates to a low-abrasion omnibearing swinging structure and a swinging fan thereof.

Background

The fan is a household appliance which uses a motor to drive fan blades to rotate so as to accelerate air circulation, and is widely used in families, classrooms, offices, shops, hospitals, hotels and other places. The flow direction of common household fan wind is parallel to the rotation axis of the fan blade, and in order to obtain a larger air supply range, a swinging fan for omnibearing air supply appears on the market. The blades of the swinging fan can swing along the circumference for air supply, and the air supply range is wide. Therefore, the swing fan is increasingly popular with the masses. However, at present, most of transmission parts of the swinging fans in the market adopt simple hinged fit, and are easy to wear for a long time, so that the service life of the swinging fans is influenced.

In the prior art, chinese patent publication No. CN208396978U provides a multi-angle ceiling fan, which includes a ceiling fan main body including a blower motor; the ceiling fan main body further comprises a hanging bracket, a hanging rod, a hanging head and supporting frames which are connected in sequence, wherein the hanging head is provided with at least two supporting frames in a downward extending mode, and the other end of each supporting frame is fixedly connected with the supporting lower cover; the device also comprises a swing angle part, wherein the swing angle part comprises a swing angle motor, a swing angle swing arm and a centering piece; the swing angle motor is arranged above the blowing motor, the swing angle swing arm is integrally L-shaped, and one end of the swing angle swing arm is fixedly connected with the rotary output end of the swing angle motor. The motor weight is shared through configuration adjusting piece to this multi-angle ceiling fan to can reduce the wearing and tearing of aligning piece, improve multi-angle ceiling fan's life to a certain extent. However, the swing angle part of the multi-angle ceiling fan comprises a swing angle motor, a swing angle swing arm and a centering piece, all the components are required to be matched in a coordinated manner, the structure is complex, and the cost is high; in addition, the cross go-between of multi-angle ceiling fan has great clearance with motor connecting seat, the cooperation of lower connecting seat, and each articulated department produces wearing and tearing because of mechanical friction easily, leads to each transmission part skew collision to produce the noise, influences pendulum structure's stability and actual life.

Therefore, in order to solve the problems in the prior art, it is needed to provide an omnidirectional swing structure and a swing fan thereof, so as to reduce the abrasion problem in the swing air supply process of the fan.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a low-abrasion omnibearing swinging structure and a swinging fan thereof, so as to solve the technical problems of complex structure, easy abrasion, poor stability and the like of the existing swinging structure.

The technical scheme of the utility model is realized as follows: the low-wear omnibearing swing structure comprises a cover body with a hollow inner cavity, a swing motor is arranged at the top of the cover body, a swing arm, a main motor component and a swing mechanism are arranged in the inner cavity of the cover body, the swing arm is obliquely arranged on a rotating shaft of the swing motor, the main motor component comprises a shell and a main motor in the shell, the upper end of the shell is in transmission connection with the swing arm, the lower end of the shell forms a tubular installation part with a through middle part, an output shaft of the main motor extends and passes through the installation part, the installation part is provided with the swing mechanism,

the ball valve is arranged at the upper end of the shell correspondingly, the ball valve is accommodated in and matched with the ball valve, and the main motor component is movably matched and connected with the ball groove of the swing arm through the ball valve;

the swing mechanism comprises a rotating ball, the rotating ball is sleeved and fixed on the mounting part, a detachable ball sleeve is coated on the periphery of the rotating ball, and the outer surface of the rotating ball is mutually matched with the inner surface of the ball sleeve; the two sides of the rotary ball are rotationally connected with the two transverse ends of the ball sleeve, and the two longitudinal ends of the ball sleeve are rotationally connected with the cover body.

In the utility model, the rotating ball is sleeved at the lower end of the main motor component, is matched with the ball sleeve in a mutually rotating way, and is rotationally connected with the cover body by virtue of the ball sleeve fulcrum shaft, so that the problem of larger clearance in the hinge joint of the traditional swing mechanism is solved, and the structural stability of the swing fan is greatly improved.

As a further improvement of the scheme, the two sides of the rotating ball are respectively provided with a first support shaft, the two transverse ends of the ball sleeve are correspondingly provided with first rotating holes, and the rotating ball is in rotating connection with the first rotating holes of the ball sleeve through the first support shafts; the two longitudinal ends of the ball sleeve are respectively provided with a second support shaft, the cover body is correspondingly provided with a second rotating hole, and the ball sleeve is rotationally connected with the second rotating hole of the cover body through the second support shafts;

the outer surface of the rotating ball is tightly matched with the inner surface of the ball sleeve, and the rotating ball is connected with the rotating hole by virtue of the rotating shafts, so that offset collision caused by abrasion in the running process of each transmission part is avoided, and the noise generated during the running of the swinging mechanism is effectively reduced.

As a further improvement of the scheme, the upper end of the shell extends to form a third support shaft, the middle part of the ball valve is penetrated to form a third rotating hole, and the main motor component is rotationally connected with the third rotating hole of the ball valve through the third support shaft.

As a further improvement of the scheme, the swing arm comprises a swing part and a cover part which are connected with each other, wherein the swing part is provided with an upper groove, the cover part is provided with a lower groove, and when the swing part and the cover part are mutually covered, the upper groove and the lower groove are mutually folded to form the ball groove; two sides of the ball valve vertically extend to form two rotating shafts, two clamping grooves are correspondingly formed in two sides of the ball groove perpendicular to the rotating axis, and the ball valve is in rotary fit with the clamping grooves through the rotating shafts;

it should be noted that, in the conventional swing structure, the swing motor directly drives the swing arm, and in the operation process, the load of the swing motor is increased due to the fact that the degree of freedom is insufficient and interference is easy; further, through setting up the ball valve in the upper end of main motor assembly, form clearance fit with the swing arm, swing motor drives the omnidirectional swing of fan flabellum and shakes the head with the help of swing arm and ball valve's swing joint, can effectively reduce the load of swing motor, reduces the interference wearing and tearing, has improved the actual life of omnidirectional swing fan.

As a further improvement of the scheme, an inner spacer bush is embedded in each rotating hole, an outer spacer bush is sleeved on each supporting shaft, and the inner spacer bush and the outer spacer bush are in clearance fit with each other; the inner spacer bush and the outer spacer bush are matched with each other, so that the rotation abrasion of each rotating part can be effectively reduced, and the transmission efficiency of each part is improved.

As a further improvement of the scheme, the ball sleeve comprises a left half ball sleeve and a right half ball sleeve, each second fulcrum is correspondingly split into a left half fulcrum and a right half fulcrum along with the left half ball sleeve and the right half ball sleeve, and when the left half ball sleeve is in opposite butt joint with the right half ball sleeve, the inner spacer sleeve is sleeved on the second fulcrum formed by combining the left half fulcrum and the right half fulcrum; the detachable ball sleeve is arranged to cover the rotating ball, so that the ball sleeve and the rotating ball are tightly matched with each other, and the stability and reliability in swinging operation can be ensured.

As a further improvement of the scheme, a plurality of positioning pins are further arranged on the opposite end surfaces of any half spherical sleeve, the other half spherical sleeve is correspondingly provided with positioning holes, and when the two half spherical sleeves are in opposite butt joint, the positioning pins are matched with the positioning Kong Kaqian; and the positioning pin is matched with the positioning Kong Kaqian, so that the assembly of the two hemispherical sleeves is quick and accurate, and the assembly efficiency of the product is effectively improved.

As a further improvement of the scheme, the axes of the rotating ball and the ball sleeve are mutually overlapped, and the central axis of the main motor passes through the overlapped axes; the two joints of the rotating ball and the ball sleeve and the two joints of the ball sleeve and the cover body are positioned on the same circumference, and the circumference is arranged by taking the coincident axle center as an axle center; through setting up the spin ball in the pendulum mechanism to make the axis of main motor pass the coincidence axle center, be circumference rotation action under the drive of swinging motor, effectively improve the air supply scope of fan, pendulum mechanism is reliable and stable, and application prospect is fairly showing.

As a further improvement of the proposal, the middle part of the rotating ball is penetrated to form a through groove,

a plurality of guide bars are distributed on the inner wall of the through groove along the circumferential direction, corresponding guide grooves are formed in the outer wall of the mounting part, and the rotating ball is in clamping fit with the mounting part through the guide bars; the guide groove is arranged to provide guiding operation for loading the rotating ball, so that the rotating ball and the mounting part are clamped and matched with each other conveniently, and the assembly efficiency of the swinging mechanism is effectively improved.

Or the outer contour of the installation part is in a polygonal prism shape, the through groove is matched with the outer contour of the installation part, and the rotating ball is in clamping fit with the installation part through the through groove; the through grooves are mutually matched with the mounting parts to form clamping fit, so that the product structure is simplified, the assembly is convenient, and the production and manufacturing cost is effectively reduced.

The swing fan is characterized in that the fan blade is fixedly connected to the output shaft of the main motor, and the periphery of the fan blade is provided with the net cover; the swinging fan is a ceiling fan, a floor fan or a wall hanging fan.

The utility model has the beneficial effects that:

(1) The rotary ball is sleeved at the lower end of the main motor assembly, is matched with the ball sleeve in a mutually rotating way, is covered by the detachable ball sleeve, is rotationally connected with the cover body by virtue of the ball sleeve supporting shaft, solves the problem of larger clearance when the traditional swing mechanism is hinged and matched, avoids offset collision of each transmission part due to abrasion, effectively reduces noise when the swing mechanism operates, and greatly improves the structural stability of the swing fan;

(2) Through setting up the ball valve in the upper end of main motor assembly, form movable fit with the swing arm, swing motor drives the omnidirectional swing of fan flabellum and shakes the head with the help of swing arm and ball valve's swing joint, can effectively reduce the load of swing motor, reduces the interference wearing and tearing, has improved the actual life of omnidirectional swing fan.

Drawings

FIG. 1 is a schematic diagram of a swing structure according to the present utility model;

FIG. 2 is an exploded view of the swing structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a swing structure according to the present utility model;

FIG. 4 is a schematic diagram of the connection of the main motor assembly to the swing arm of the present utility model;

FIG. 5 is an exploded view of the swing mechanism of the present utility model;

FIG. 6 is a schematic diagram of the connection of the rotating ball to the main motor assembly of the present utility model;

FIG. 7 is an exploded view of the ball socket of the present utility model;

FIG. 8 is a schematic diagram of a swing fan according to the present utility model;

reference numerals:

1. a cover body; q1, inner cavity; 11. a front cover; t1, through holes; 12. a cover plate;

2. a swing motor;

3. swing arms; q2, a ball groove; 31. a swing part; 32. a cover part; 33. a clamping groove;

4. a main motor assembly; 41. a housing; 411. a base; 412. a flange plate; 42. a main motor; 43. a mounting part; 431. a guide groove; 432. a limit groove; 44. a ball valve; 441. a rotating shaft;

5. a swing mechanism; 51. a rotating ball; 511. a through groove; 512. a conducting bar; 513. a baffle; 52. a ball sleeve; 521. a left hemispherical sleeve; 522. a right half ball sleeve; 523. a positioning pin; 524. positioning holes;

6. a connecting plate;

z1, a first fulcrum; k1, a first rotating hole;

z2, a second fulcrum; z21, left half support shaft; z22, right half support shaft; k2, a second rotating hole;

z3, a third fulcrum; k3, a third rotating hole;

g1, an inner spacer; and G2, an outer spacer bush.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-7, a low-wear omnibearing swinging structure comprises a cover body 1 with a hollow inner cavity Q1, wherein the cover body 1 comprises a front cover 11 and a cover plate 12, the front cover 11 is bowl-shaped, a through hole T1 is arranged at the bottom of the front cover 11, the cover plate 12 is flat, the front cover 11 is connected with the cover plate 12, the inner cavity Q1 is formed between the front cover 11 and the cover plate 12, the swinging motor 2 is arranged on the cover plate 12, a rotating shaft of the swinging motor 2 stretches into the inner cavity Q1, a swinging arm 3, a main motor assembly 4 and a swinging mechanism 5 are arranged in the inner cavity Q1 of the cover body 1, the swinging arm 3 is obliquely arranged on the rotating shaft of the swinging motor 2, the main motor assembly 4 comprises a casing 41 and a main motor 42 in the casing 41, the upper end of the casing 41 is in transmission connection with the swinging arm 3, a tubular mounting part 43 with a middle part penetrating through the lower end is formed, an output shaft of the main motor 42 extends through the mounting part 43, the swinging mechanism 5 is arranged on the mounting part 43, and the output shaft of the main motor 42 stretches out from the through hole T1 of the front cover 11;

specifically, in this embodiment, the casing 41 includes a base 411 and a flange 412, a space for accommodating the main motor 42 is provided between the flange 412 and the base 411, and the mounting portion 43 is disposed at a central axis of the flange 412 and is fixedly connected to the mounting portion 43.

A ball groove Q2 is formed in the joint of the swing arm 3 and the casing 41, a ball valve 44 is correspondingly arranged at the upper end of the casing 41, the ball groove Q2 is accommodated in and is matched with the ball valve 44, and the main motor assembly 4 is movably matched and connected with the ball groove Q2 of the swing arm 3 through the ball valve 44; specifically, the swing arm 3 includes a swing portion 31 and a cover portion 32 that are connected to each other, the swing portion 31 is provided with a semi-open upper groove, the cover portion 32 is provided with a semi-open lower groove, and when the swing portion and the cover portion are mutually covered, the upper groove and the lower groove are mutually folded to form the ball groove Q2; two sides of the ball valve 44 vertically extend to form two rotating shafts 441, two sides of the ball groove Q2 perpendicular to the axis of the rotating shaft 441 are correspondingly provided with two clamping grooves 33, and the ball valve 44 is in running fit with the clamping grooves 33 through the rotating shafts 441;

it should be noted that, in the conventional swing structure, the swing motor 2 directly drives the swing arm 3, and in the operation process, the degree of freedom is insufficient to easily interfere and increase the load of the swing motor 2; further, through setting up ball valve 44 in the upper end of main motor assembly 4, form clearance fit with swing arm 3, swing motor 2 drives the omnidirectional swing of fan flabellum and shakes the head with the help of swing arm 3 and ball valve 44's swing joint, can effectively reduce the load of swing motor 2, reduces the interference wearing and tearing, has improved the actual life of omnidirectional swing fan.

The swing mechanism 5 includes a rotating ball 51, the rotating ball 51 is sleeved and fixed on the mounting portion 43, specifically, a through groove 511 is formed in the middle of the rotating ball 51, a plurality of guide bars 512 are circumferentially distributed on the inner wall of the through groove 511, corresponding guide grooves 431 are formed on the outer wall of the mounting portion 43, and the rotating ball 51 is in snap fit with the mounting portion 43 through the guide bars 512; the guide groove 431 provides guiding operation for loading the rotating ball 51, so that the rotating ball 51 and the mounting part 43 are convenient to be in clamping fit, and the assembly efficiency of the swinging mechanism 5 is effectively improved.

Further specifically, a baffle 513 is further disposed at the lower end of the through groove 511 of the rotating ball 51, the mounting portion 43 is correspondingly provided with a limit groove 432, and when the rotating ball 51 is fixed on the mounting portion 43, the baffle 513 is mutually matched with the limit groove 432; the baffle 513 and the limiting groove 432 are arranged, so that quick positioning during assembly of the swing structure is facilitated, and the assembly efficiency is greatly improved.

The circumference of the rotating ball 51 is covered with a detachable ball sleeve 52, and the outer surface of the rotating ball 51 is mutually matched with the inner surface of the ball sleeve 52; both sides of the rotating ball 51 are rotatably connected with both transverse ends of the ball sleeve 52, and both longitudinal ends of the ball sleeve 52 are rotatably connected with the cover body 1; by the close fit of the outer surface of the rotating ball 51 and the inner surface of the ball sleeve 52 and the rotating connection of the pivot shafts and the rotating holes, the offset collision caused by abrasion in the running process of the transmission parts is avoided, and the noise generated during the running of the swinging mechanism 5 can be effectively reduced.

In this embodiment, the two sides of the rotating ball 51 are respectively provided with a first support shaft Z1, the two lateral ends of the ball sleeve 52 are correspondingly provided with a first rotating hole K1, and the rotating ball 51 is rotatably connected with the first rotating hole K1 of the ball sleeve 52 through the first support shaft Z1; the two longitudinal ends of the ball sleeve 52 are respectively provided with a second support shaft Z2, the cover body 1 is correspondingly provided with a second rotating hole K2, and the ball sleeve 52 is rotationally connected with the second rotating hole K2 of the cover body 1 through the second support shafts Z2; in this embodiment, an installation seat (not labeled in the figure) is disposed at a position of the inner cavity Q1 of the cover body 1, which is close to the through hole T1, and a connecting plate 6 is fixedly connected to the installation seat, between which the second rotating hole K2 is formed;

in this embodiment, the upper end of the housing 41 extends to form a third pivot Z3, the middle of the ball valve 44 is penetrated to form a third pivot K3, and the main motor assembly 4 is rotatably connected to the third pivot K3 of the ball valve 44 through the third pivot Z3.

In the embodiment, an inner spacer G1 is embedded in each rotating hole, an outer spacer G2 is sleeved on each supporting shaft, and the inner spacer G1 and the outer spacer G2 are in clearance fit with each other; specifically, the inner spacer G1 and the outer spacer G2 are made of metal materials, and copper is preferably used for improving the wear resistance of rotary connection, and the inner spacer G1 and the outer spacer G2 are matched with each other, so that the rotary wear of each rotary part can be effectively reduced, and the transmission efficiency of each part is improved.

In this embodiment, the ball sleeve 52 includes a left hemisphere sleeve 521 and a right hemisphere sleeve 522, each second fulcrum shaft Z2 is split into a left half fulcrum shaft Z21 and a right half fulcrum shaft Z22 correspondingly along with the left hemisphere sleeve 521 and the right hemisphere sleeve 522, and when the left hemisphere sleeve 521 and the right hemisphere sleeve 522 are in butt fit in opposite directions, the inner spacer G1 is sleeved on the second fulcrum shaft Z2 formed by combining the left half fulcrum shaft Z21 and the right half fulcrum shaft Z22; the detachable ball sleeve 52 is arranged to cover the rotating ball 51, so that the ball sleeve 52 and the rotating ball 51 are tightly matched with each other, and stable and reliable swinging operation can be ensured.

In this embodiment, a plurality of positioning pins 523 are further disposed on opposite end surfaces of any half ball sleeve 52, the other half ball sleeve 52 is correspondingly provided with positioning holes 524, and when the two half ball sleeves 52 are abutted against each other, the positioning pins 523 are in snap fit with the positioning holes 524; specifically, the number of the positioning pins 523 is preferably two, the positioning holes 524 are correspondingly arranged with the positioning pins 523, and the positioning pins 523 are in clamping fit with the positioning holes 524, so that the assembly efficiency of the product is improved effectively and rapidly and accurately when the two half ball sleeves 52 are assembled and matched.

In this embodiment, the axes of the rotating ball 51 and the ball sleeve 52 are coincident with each other, and the central axis of the main motor 42 passes through the coincident axes; the two joints of the rotating ball 51 and the ball sleeve 52 and the two joints of the ball sleeve 52 and the cover body 1 are positioned on the same circumference, and the circumference is arranged by taking the coincident axle center as an axle center; by arranging the rotating ball 51 in the swing mechanism 5 and enabling the central axis of the main motor 42 to pass through the coincident axis, the swing motor 2 drives the main motor to perform circumferential rotation, so that the air supply range of the fan is effectively improved, the swing mechanism 5 is stable and reliable, and the application prospect is quite remarkable.

Through the scheme of the utility model, in specific application: the swing motor 2 is driven to rotate by the rotating shaft of the swing motor 2, the ball valve 44 is arranged at the upper end of the main motor assembly 4 and is in movable fit with the swing arm 3, and the swing motor 2 drives the fan blades to swing in an omnibearing manner by means of movable connection of the swing arm 3 and the ball valve 44, so that the load of the swing motor 2 can be effectively reduced, and interference abrasion is reduced; the lower extreme cover of main motor assembly 4 establishes ball 51, with ball cover 52 adaptation and mutual normal running fit, but the ball cover 52 cladding ball 51 of split to rotate with the cover body 1 with the help of ball cover 52 pivot and be connected, solve the great problem of clearance that traditional pendulum changes mechanism 5 hinge joint when joining in marriage, avoid each transmission parts operation in-process to take place the skew collision because of wearing and tearing, effectively reduce the noise when pendulum changes mechanism 5 operation, thereby improved pendulum changes the structural stability of fan greatly.

Example 2

In one embodiment of the present utility model, the main technical solution of this embodiment is the same as that of embodiment 1, and features that are not explained in this embodiment are explained in embodiment 1, and are not described here again. This embodiment differs from embodiment 1 in that:

the middle part of the rotating ball 51 is penetrated to form a through groove 511, the outer contour of the mounting part 43 is polygonal, preferably hexagonal, and the through groove 511 is adapted to the outer contour of the mounting part 43, and the rotating ball 51 is in snap fit with the mounting part 43 through the through groove 511; the through groove 511 and the mounting portion 43 are mutually matched and form a clamping fit, so that the product structure is simplified, the assembly is convenient, and the production and manufacturing cost is effectively reduced.

Example 3

As shown in fig. 8, in one embodiment of the present utility model, the main technical solution of the present embodiment is the same as that of embodiment 1 or embodiment 2, and the features that are not explained in the present embodiment are explained in embodiment 1 or embodiment 2, and are not described in detail herein. This embodiment differs from embodiment 1 or embodiment 2 in that:

the embodiment provides a swing fan, which uses a low-abrasion omnibearing swing structure as described in embodiment 1 or embodiment 2, wherein the output shaft of the main motor 42 is fixedly connected with fan blades, and the peripheries of the fan blades are provided with a net cover; the swinging fan is a ceiling fan, a floor fan or a wall hanging fan.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims

1. The utility model provides a low-wear all-round pendulum changes structure, includes a cover body that has the cavity inner chamber, cover body top is equipped with sways the motor, is equipped with swing arm, main motor assembly and pendulum mechanism in the cover body inner chamber, the swing arm is the slope form and locates in the axis of rotation of swaing the motor, main motor assembly includes the casing to and the main motor in the casing, the upper end and the swing arm transmission of casing are connected, and the tubular installation department that its lower extreme formed the middle part and link up, the output shaft of main motor extends and passes installation department is equipped with on the installation department pendulum mechanism, its characterized in that:

2. The low-wear omnibearing swing structure according to claim 1, wherein the two sides of the rotating ball are respectively provided with a first support shaft, the two transverse ends of the ball sleeve are correspondingly provided with first rotating holes, and the rotating ball is in rotating connection with the first rotating holes of the ball sleeve through the first support shafts;

the two longitudinal ends of the ball sleeve are respectively provided with a second support shaft, the cover body is correspondingly provided with a second rotating hole, and the ball sleeve is rotationally connected with the second rotating hole of the cover body through the second support shafts.

3. The low wear and tear all-round swing structure according to claim 2, wherein the upper end of said housing extends to form a third pivot, said ball valve has a central portion extending therethrough to form a third pivot hole, and said main motor assembly is rotatably connected to said ball valve through said third pivot hole.

4. The low-wear omnidirectional swing structure according to claim 3, wherein the swing arm comprises a swing portion and a cover portion which are connected with each other, the swing portion is provided with an upper groove, the cover portion is provided with a lower groove, and when the swing portion and the cover portion are mutually covered, the upper groove and the lower groove are mutually folded to form the ball groove;

two sides of the ball valve are vertically extended with two rotating shafts, two clamping grooves are correspondingly formed in two sides of the ball groove perpendicular to the rotating axis, and the ball valve is in running fit with the clamping grooves through the rotating shafts.

5. A low wear, omnidirectional swing structure in accordance with claim 2, 3 or 4 wherein each pivot is embedded with an inner spacer and each pivot is sleeved with an outer spacer, the inner and outer spacers being in clearance fit with each other.

6. The low wear and tear omni-directional swing structure according to claim 5, wherein the ball sleeve comprises a left hemisphere sleeve and a right hemisphere sleeve, each second fulcrum is split into a left hemisphere sleeve and a right hemisphere sleeve correspondingly along with the left hemisphere sleeve and the right hemisphere sleeve, and when the left hemisphere sleeve and the right hemisphere sleeve are in opposite abutting engagement, the inner spacer is sleeved on the second fulcrum formed by combining the left hemisphere sleeve and the right hemisphere sleeve.

7. The low-wear omnidirectional swing structure of claim 6, wherein a plurality of locating pins are further provided on opposite end surfaces of any one half of the ball sleeve, and the other half of the ball sleeve is correspondingly provided with locating holes, and when the two half of the ball sleeves are abutted against each other, the locating pins are matched with the locating pins Kong Kaqian.

8. The low-wear omnidirectional swing structure of claim 1, wherein the axes of the ball and the sleeve are coincident with each other and the central axis of the main motor passes through the coincident axes;

the two joints of the rotating ball and the ball sleeve and the two joints of the ball sleeve and the cover body are positioned on the same circumference, and the circumference is arranged by taking the coincident axle center as an axle center.

9. The low-wear omnibearing swing structure according to claim 1, wherein the middle part of the rotating ball is penetrated to form a through groove,

a plurality of guide bars are distributed on the inner wall of the through groove along the circumferential direction, corresponding guide grooves are formed in the outer wall of the mounting part, and the rotating ball is in clamping fit with the mounting part through the guide bars;

or, the outline of the installation part is in a polygonal prism shape, the through groove is matched with the outline of the installation part, and the rotating ball is in clamping fit with the installation part through the through groove.

10. A swing fan, which uses a low-abrasion omnibearing swing structure as defined in any one of claims 1-9, characterized in that the output shaft of the main motor is fixedly connected with fan blades, and the periphery of the fan blades is provided with a net cover; the swinging fan is a ceiling fan, a floor fan or a wall hanging fan.