CN216975295U

CN216975295U - Rotary head-shaking structure for floor fan and table fan

Info

Publication number: CN216975295U
Application number: CN202123188400.4U
Authority: CN
Inventors: 吴立坤; 陈作祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-07-15
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a rotary shaking head structure for floor fans and table fans, which comprises a base, a hollow shaft, a copper ring, a carbon brush and a power line, wherein an upper bearing and a lower bearing are arranged in the base, the hollow shaft is arranged on inner holes of the upper bearing and the lower bearing in a penetrating manner, the copper ring is sleeved between the upper bearing and the lower bearing and outside the hollow shaft, the carbon brush is arranged in the base and matched with the copper ring, the carbon brush is connected with an external low-voltage input power line, the power line is arranged in the hollow shaft in a penetrating manner, and the lower end of the power line is connected with the copper ring.

Description

Rotary head-shaking structure for floor fan and table fan

Technical Field

The utility model relates to the technical field of fans, in particular to a rotary shaking head structure for a floor fan and a table fan.

Background

Floor fan and desk fan on the current market generally adopt the structure of shaking the head about being less than 180, and it is little that it shakes the head scope, and the scope that leads to can air supply is little, and user's use is experienced not well. The most important reason is that the oscillating structure has a single position, which determines the whole structure of the fan, i.e. the oscillating structure can only form a left and right oscillating structure of less than 180 degrees.

Therefore, there is a need for an improved floor fan and desk fan structure.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve at least one of the problems of the related art to a certain extent, and therefore an object of the present invention is to provide a rotary head structure for a floor fan and a desk fan, which has a simple structure, can rotate 360 °, and is beneficial to improving the user experience.

The above purpose is realized by the following technical scheme:

the utility model provides a rotatory structure of shaking head for floor fan and desk fan, includes base, hollow shaft, copper ring, carbon brush and power cord, wherein be provided with upper bearing and lower bearing in the base, the hollow shaft is worn to locate the upper bearing with on the hole of lower bearing, the copper ring cover is located the upper bearing with down between the bearing outside the hollow shaft, the carbon brush set up in the base and with the copper ring cooperatees, the carbon brush is connected with outside low pressure input power cord, the power cord is worn to locate in the hollow shaft, and the power cord lower extreme with the copper ring is connected.

In some embodiments, an insulating sleeve is disposed between the copper ring and the hollow shaft.

In some embodiments, a wire passing hole is formed in the side surface of the hollow shaft and the side surface of the insulating sleeve, and the lower end of the power wire penetrates out of the wire passing hole and is connected with the copper ring.

In some embodiments, a carbon brush hole is formed in the base, the carbon brush is disposed in the carbon brush hole, a cover is disposed outside the carbon brush hole, a carbon brush spring is disposed between the carbon brush and the cover, and an external low-voltage input power line extends into the carbon brush hole through the cover to be connected with the carbon brush.

In some embodiments, the cover and the base are secured together by screws.

In some embodiments, a gear wheel is arranged on the base, an oscillating motor is arranged on the hollow shaft, and a pinion arranged on the oscillating motor is meshed with the gear wheel.

In some embodiments, a fixing member is provided on the hollow shaft, the oscillating motor being fixed to the fixing member.

In some embodiments, a hall sensor magnet is disposed inside the bull gear, and a hall element is disposed on the fixing member, the hall element and the hall sensor magnet cooperating.

The above purpose is realized by the following technical scheme:

a rotary shaking head structure for floor fan and desk fan comprises a base, a hollow shaft, a copper ring, a carbon brush and a power cord, wherein an upper bearing and a lower bearing are arranged in the base, the hollow shaft is arranged on inner holes of the upper bearing and the lower bearing in a penetrating way, a fixed seat is arranged on the base, a fixed component is arranged on the hollow shaft, the copper ring or the carbon brush is arranged on the fixed seat, the carbon brush or the copper ring is correspondingly arranged on the fixed component, the copper ring or the carbon brush on the fixed seat is matched with the carbon brush or the copper ring on the fixed component, the copper ring or the carbon brush on the fixed seat is connected with an external low-voltage input power line which is arranged in the hollow shaft in a penetrating way, and the lower end of the power line is connected with the carbon brush or the copper ring on the fixed component.

In some embodiments, a gear wheel is arranged on the base, an oscillating motor is arranged on the fixed component, and a pinion arranged on the oscillating motor is meshed with the gear wheel.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

1. the rotary shaking head structure for the floor fan and the table fan is simple in structure, can realize 360-degree rotation, and is beneficial to improving the use experience of users.

Drawings

FIG. 1 is a schematic perspective view of a rotary head structure according to an embodiment of the present invention;

FIG. 2 is a sectional view of a rotary head structure according to an embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2;

FIG. 4 is a schematic perspective view of a rotary head structure according to a second embodiment of the present invention;

FIG. 5 is a sectional view of a rotary head structure according to a second embodiment of the present invention;

fig. 6 is a sectional view of a rotary head structure according to a third embodiment of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the utility model or equivalent substitutions of parts of technical features without departing from the spirit of the utility model are intended to be covered by the scope of the claims of the utility model.

The first embodiment is as follows: as shown in fig. 1, 2 and 3, the present embodiment provides a rotary head structure for a floor fan and a desk fan, which comprises a base 1, a hollow shaft 2, a copper ring 3, a carbon brush 4 and a power cord 5, a supporting rod 20 is arranged at the top of the hollow shaft 2, a fan head 30 is arranged at the top of the supporting rod 20, wherein an upper bearing 6 and a lower bearing 7 are arranged in the base 1, the hollow shaft 2 is arranged on the inner holes of the upper bearing 6 and the lower bearing 7 in a penetrating way, the copper ring 3 is sleeved between the upper bearing 6 and the lower bearing 7 and outside the hollow shaft 2, the carbon brush 4 is arranged in the base 1 and matched with the copper ring 3, the carbon brush 4 is connected with an external low-voltage input power line 8, the power cord 5 is arranged in the hollow shaft 2 in a penetrating way, and the lower end of the power cord 5 is connected with the copper ring 3.

The rotatory structure of shaking head that is used for floor fan and desk fan that this embodiment provided, its simple structure can realize 360 rotations of fan aircraft nose 30, does benefit to the use experience that promotes the user. Specifically, the hollow shaft 2 can rotate 360 degrees in the upper bearing 6 and the lower bearing 7 of the base 1, and the hollow shaft 2 drives the fan head 30 to rotate 360 degrees through the supporting rod 20, so that the air supply range of the fan head 30 can be increased, and the purpose of improving the use experience of a user is achieved.

In addition, an external power supply finally supplies power to the fan head 30 after being input into the power line 8, the carbon brush 4, the copper ring 3 and the power line 5 through low voltage. In this embodiment, the carbon brush 4 is in contact with the copper ring 3 for rotation friction, and the shaking head motor 14 drives the hollow shaft 2 to rotate, so as to achieve the purpose of continuously providing power input while rotating.

In this embodiment, an insulating sleeve 9 is disposed between the copper ring 3 and the hollow shaft 2, so that the power supply on the copper ring 3 is prevented from being conducted to the hollow shaft 2, and the stability and reliability of power supply transmission are ensured.

Preferably, the hollow shaft 2 and the side surface of the insulating sleeve 9 are provided with wire passing holes 200, the lower ends of the power wires 5 pass through the wire passing holes 200 and penetrate out and are connected with the copper rings 3, the structure is simple, the design is reasonable and ingenious, the internal structure of the base 1 is more compact, and the convenience and the reliability of the internal circuit connection of the base 1 are improved.

More preferably, be provided with carbon brush hole 100 on the base 1, carbon brush 4 set up in the carbon brush hole 100, just be provided with lid 11 outside carbon brush hole 100 carbon brush 4 with be provided with carbon brush spring 12 between the lid 11, outside low pressure input power cord 8 warp lid 11 stretches into in the carbon brush hole 100 with the carbon brush 4 is connected, its simple structure, reasonable in design, ingenious, do benefit to the inner structure that makes base 1 more compact, improves the convenience and the reliability of 1 inner circuit connection of base. In addition, the carbon brush 4 can be in contact with the copper ring 3 for rotating friction through the arranged carbon brush spring 12, and the stability and the reliability of power transmission are further ensured.

In this embodiment, the cover 11 and the base 1 are locked and fixed together by screws, and the structure is simple, and the screw connection mode is simple, fast and reliable.

Further, be provided with gear wheel 13 on the base 1 be provided with the oscillating motor 14 on the hollow shaft 2 the pinion 15 that sets up on the oscillating motor 14 with gear wheel 13 meshes mutually, its simple structure, and reasonable in design, ingenious, through the oscillating motor 14, pinion 15 and the gear wheel 13 that set up, can make the 14 drive hollow shafts of oscillating motor 2 realize 360 rotations, and more importantly, the 14 drive hollow shafts of oscillating motor are 2 rotatory, make carbon brush 4 and copper ring 3 contact spin friction, and then reach the purpose that provides power input that the rotation was not stopped on one side, twist the purpose of broken string when solving the rotation.

In addition, the hollow shaft 2 can be driven by the oscillating motor 14 to rotate positively or negatively all the time, even to rotate to any angle back and forth from left to right, which can be selected according to the design of the user.

Further, be provided with fixed component 16 on hollow shaft 2, the motor 14 of shaking the head is fixed in on the fixed component 16, and fixed component 16 is used for being connected with bracing piece 20, and its simple structure, reasonable in design, ingenious is convenient for realize through the fixed component 16 that sets up the installation and the fixing of motor 14 of shaking the head, and can realize being connected between hollow shaft 2 and the bracing piece 20.

Preferably, the gear wheel 13 inboard is provided with hall induction magnet 17 be provided with hall element 18 on the fixed component 16, hall element 18 with hall induction magnet 17 cooperatees, through magnetism induction position signal, its simple structure, reasonable in design, ingenious, through hall element 18 with hall induction magnet 17's cooperation is convenient for realize the detection to hollow shaft 2 position, angle, and then is convenient for accurate control oscillating motor 14 work.

The rotatory structure of shaking the head that this embodiment provided sets up on the base of floor fan and desk fan, compares in current floor fan and desk fan, and its is whole more pleasing to the eye, and ultra-thin structure can be accomplished to fan aircraft nose 30.

Example two: as shown in fig. 4 and 5, the embodiment provides a rotary head structure for a floor fan and a desk fan, which comprises a base 1, a hollow shaft 2, a copper ring 3, a carbon brush 4 and a power cord 5, wherein an upper bearing 6 and a lower bearing 7 are arranged in the base 1, the hollow shaft 2 is arranged on the inner holes of the upper bearing 6 and the lower bearing 7 in a penetrating way, a fixed seat 19 is arranged on the base 1, a fixed component 16 is arranged on the hollow shaft 2, the copper ring 3 is arranged on the fixed seat 19, the carbon brush 4 is correspondingly arranged on the fixed component 16, the copper ring 3 of the fixed seat 19 is matched with the carbon brush 4 of the fixed component 16, the copper ring 3 on the fixed seat 19 is connected with an external low-voltage input power line 8, the power line 5 is arranged in the hollow shaft 2 in a penetrating way, and the lower end of the power line 5 is connected to the carbon brush 4 of the fixing member 16.

In addition, an external power supply finally supplies power to the fan head 30 after being input into the power line 8, the copper ring 3, the carbon brush 4 and the power line 5 through low voltage. In this embodiment, the carbon brush 4 is in contact with the copper ring 3 for rotation friction, and the shaking head motor 14 drives the hollow shaft 2 to rotate, so as to achieve the purpose of continuously providing power input while rotating.

Further, be provided with gear wheel 13 on the base 1, fixing base 19 sets up in gear wheel 13 inboard be provided with swing motor 14 on the fixed component 16 swing motor 14 on the pinion 15 that sets up with gear wheel 13 meshes mutually, its simple structure, reasonable in design, ingenious, through swing motor 14, pinion 15 and gear wheel 13 that sets up, can make swing motor 14 drive hollow shaft 2 realize 360 rotations, more importantly, swing motor 14 drive hollow shaft 2 is rotatory, makes carbon brush 4 and copper ring 3 contact spin friction, and then reaches the purpose of providing the electric power input that the rotation was not stopped on one side, twists reverse the purpose of broken string when solving the rotation.

Of course, the carbon brush 4 may be disposed on the fixing base 19, and the copper ring 3 may be disposed on the fixing member 16 accordingly. In the first embodiment, the copper ring 3 is radially installed, and in the second embodiment, the copper ring 3 and the carbon brush 4 are installed in a plane.

In addition, the rotating structure is currently located at the bottom of the support rod 20, but the rotating structure may be modified to the middle or top of the support rod 20.

Example three: as shown in fig. 6, this embodiment provides a rotary shaking head structure for floor fan and desk fan, including base 1, hollow shaft 2, copper ring 3, carbon brush 4 and power cord 5, wherein be provided with upper bearing 6 and lower bearing 7 in the base 1, hollow shaft 2 wears to locate upper bearing 6 with on the hole of lower bearing 7 hollow shaft 2 overcoat is equipped with a copper ring 3 be provided with one in the base 1 carbon brush 4 be used for with copper ring 3 cooperatees wear to be equipped with one in the hollow shaft 2 and interior axle 21 be provided with insulating cover 9 between hollow shaft 2 and the interior axle 21 lower extreme overcoat is equipped with a copper ring 3 base 1 bottom be provided with one 4 be used for with copper ring 3 cooperatees, power cord 5 lower extreme with interior axle 21 top is connected.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model.

Claims

1. A rotary shaking head structure for a floor fan and a table fan is characterized by comprising a base (1), a hollow shaft (2), a copper ring (3), a carbon brush (4) and a power cord (5), wherein an upper bearing (6) and a lower bearing (7) are arranged in the base (1), the hollow shaft (2) is arranged on the inner holes of the upper bearing (6) and the lower bearing (7) in a penetrating way, the copper ring (3) is sleeved between the upper bearing (6) and the lower bearing (7) and outside the hollow shaft (2), the carbon brush (4) is arranged in the base (1) and is matched with the copper ring (3), the carbon brush (4) is connected with an external low-voltage input power line (8), the power line (5) is arranged in the hollow shaft (2) in a penetrating way, and the lower end of the power line (5) is connected with the copper ring (3).

2. A rotary head structure for pedestal and desk fans, as claimed in claim 1, characterized in that an insulating sleeve (9) is provided between the copper ring (3) and the hollow shaft (2).

3. The rotary head structure of floor fan and desk fan as claimed in claim 2, wherein the hollow shaft (2) and the insulating sheath (9) are provided with wire passing holes (200) on their side faces, and the lower end of the power cord (5) passes through the wire passing holes (200) and is connected with the copper ring (3).

4. A rotating head structure for floor fan and desk fan according to claim 1, 2 or 3, characterized in that the base (1) is provided with carbon brush holes (100), the carbon brushes (4) are disposed in the carbon brush holes (100), a cover (11) is disposed outside the carbon brush holes (100), a carbon brush spring (12) is disposed between the carbon brushes (4) and the cover (11), and an external low-voltage input power line (8) extends into the carbon brush holes (100) through the cover (11) to be connected with the carbon brushes (4).

5. A rotary head structure for floor and desk fans as claimed in claim 1, 2 or 3, wherein a large gear (13) is provided on the base (1), a head-shaking motor (14) is provided on the hollow shaft (2), and a small gear (15) provided on the head-shaking motor (14) is engaged with the large gear (13).

6. A rotary head structure for floor and table fans, as claimed in claim 5, characterized in that on the hollow shaft (2) there are provided fixing means (16), the head motor (14) being fixed to said fixing means (16).

7. A rotary shaking head structure for floor and desk fans, according to claim 6, characterized in that there are Hall sensing magnets (17) inside the big gear (13), there are Hall elements (18) on the fixed member (16), the Hall elements (18) and the Hall sensing magnets (17) cooperate.

8. The rotary shaking head structure for the floor fan and the desk fan is characterized by comprising a base (1), a hollow shaft (2), a copper ring (3), a carbon brush (4) and a power line (5), wherein an upper bearing (6) and a lower bearing (7) are arranged in the base (1), the hollow shaft (2) is arranged in an inner hole of the upper bearing (6) and the lower bearing (7) in a penetrating manner, a fixing seat (19) is arranged on the base (1), a fixing member (16) is arranged on the hollow shaft (2), the copper ring (3) or the carbon brush (4) is arranged on the fixing seat (19), the carbon brush (4) or the copper ring (3) is correspondingly arranged on the fixing member (16), the copper ring (3) or the carbon brush (4) on the fixing seat (19) is matched with the carbon brush (4) or the copper ring (3) on the fixing member (16), the copper ring (3) or the carbon brush (4) on the fixing seat (19) is connected with an external low-voltage input power line (8), the power line (5) penetrates through the hollow shaft (2), and the lower end of the power line (5) is connected with the carbon brush (4) or the copper ring (3) on the fixing component (16).

9. A rotary head structure for standard and desk fans, as claimed in claim 8, wherein a large gear (13) is provided on the base (1), a head-moving motor (14) is provided on the fixed member (16), and a small gear (15) provided on the head-moving motor (14) is engaged with the large gear (13).

10. A rotary shaking head structure for a floor fan and a table fan is characterized by comprising a base (1), a hollow shaft (2), a copper ring (3), a carbon brush (4) and a power line (5), wherein an upper bearing (6) and a lower bearing (7) are arranged in the base (1), the hollow shaft (2) is arranged in an inner hole of the upper bearing (6) and the lower bearing (7) in a penetrating manner, the copper ring (3) is sleeved outside the hollow shaft (2), the carbon brush (4) is arranged in the base (1) and used for being matched with the copper ring (3), an inner shaft (21) is arranged in the hollow shaft (2) in a penetrating manner, an insulating sleeve (9) is arranged between the hollow shaft (2) and the inner shaft (21), the copper ring (3) is sleeved outside the lower end of the inner shaft (21), the carbon brush (4) is arranged at the bottom of the base (1) and used for being matched with the copper ring (3), the lower end of the power line (5) is connected with the top of the inner shaft (21).