CN210623165U

CN210623165U - Fan capable of rotating in full circumference

Info

Publication number: CN210623165U
Application number: CN201921621001.2U
Authority: CN
Inventors: 王伟毅
Original assignee: Shenzhen Yuanxingheng Technology Co Ltd
Current assignee: Shenzhen Yuanxingheng Technology Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-05-26
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a fan capable of rotating in a full circle, which comprises a base, a fan assembly and a connecting arm assembly, wherein the base comprises an upper cover, a lower cover and an upper cover driving assembly; the upper cover driving assembly comprises a gear ring, a driving gear and a motor, and the gear ring is fixedly connected to the inner wall of the lower cover; the machine body of the motor is fixedly connected to the bottom end of the upper cover, the rotating shaft of the motor is fixedly connected with the driving gear, and the driving gear is meshed with the gear ring and moves around the gear ring under the driving of the motor; the fan assembly is installed on the top end of the connecting arm assembly, and the bottom end of the connecting arm assembly is installed on the upper cover. The utility model discloses a but full circumference pivoted fan, but its fan unit spare full circumference continuous rotation.

Description

Fan capable of rotating in full circumference

Technical Field

The utility model relates to a fan technical field especially relates to a can full circumferential rotation's fan.

Background

At present, with the popularization of small household appliances, fans are increasingly applied to households and office environments, and in offices, the number of offices is large, and the fans are required to rotate. Due to the limitation of a driving structure, in order to prevent the circuit of an internal motor from being wound, the conventional fan needs to rotate reversely by another angle after a fan assembly rotates by a certain angle in one direction, so that full-circle rotation cannot be continuously performed, and blowing dead angles exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a fan capable of rotating in a full circle, which can continuously rotate in a full circle by a fan component.

The purpose of the utility model is realized by adopting the following technical scheme:

a fan capable of rotating in a full circle comprises a base, a fan assembly and a connecting arm assembly, wherein the base comprises an upper cover, a lower cover and an upper cover driving assembly; the upper cover driving assembly comprises a gear ring, a driving gear and a motor, and the gear ring is fixedly connected to the inner wall of the lower cover; the machine body of the motor is fixedly connected to the bottom end of the upper cover, the rotating shaft of the motor is fixedly connected with the driving gear, and the driving gear is meshed with the gear ring and moves around the gear ring under the driving of the motor; the fan assembly is installed on the top end of the connecting arm assembly, and the bottom end of the connecting arm assembly is installed on the upper cover.

Preferably, the middle part of the upper cover is in pivot fit with the middle part of the lower cover through a bearing; the inner ring of the bearing is connected with the upper cover; and the outer ring of the bearing is connected with the lower cover.

Preferably, the motor is a reduction motor.

Preferably, an installation cavity is formed in the upper cover, a power supply assembly is arranged in the installation cavity, and a power line of the motor extends into the installation cavity and is electrically connected with the power supply assembly; the power supply assembly includes at least two batteries.

Preferably, the bottom end face of the base is fixedly connected with a non-slip mat.

Preferably, the fan assembly comprises a housing, a fan blade and a fan blade driving mechanism, wherein the fan blade is pivoted in the housing, and the fan blade driving mechanism is used for driving the fan blade to rotate; the shell comprises a fan front cover and a fan rear cover, and the fan rear cover forms a fan blade cavity for mounting the fan blades; the fan front cover is detachably packaged at the opening of the fan blade cavity.

Preferably, the fan front cover is fixedly connected with the opening of the fan blade cavity in a threaded fit mode.

Preferably, the end face of the shell is provided with a lamp ring, and a light-transmitting protective cover is packaged outside the lamp ring.

Compared with the prior art, the beneficial effects of the utility model reside in that: when the fan needs to swing, the motor can be started, the driving gear rotates under the driving of the motor, the driving gear rotates, the machine body of the motor can be driven to rotate around the circumferential direction of the gear ring, and the upper cover fixedly connected with the machine body of the motor can rotate around the axis of the machine body. Because the driving gear can rotate around the gear ring in a full-circle continuous manner, the upper cover can rotate in a full-circle continuous manner, so that the fan assembly arranged on the upper cover can rotate in a full-circle connected manner to blow air in a full-circle continuous manner.

Drawings

Fig. 1 is a schematic exploded view of the present invention;

FIG. 2 is a schematic structural view of the utility model in use;

fig. 3 is a partial cross-sectional view of the present invention.

In the figure: 10. a fan assembly; 11. a fan blade; 12. a fan rear cover; 13. a fan front cover; 20. a connecting arm assembly; 21. a connecting arm; 30. a base; 31. an upper cover; 32. a lower cover; 33. a gear ring; 34. a motor; 35. a drive gear; 36. a bearing; 37. a power supply component; 38. a non-slip mat; 39. a bearing inner race; 50. a lamp ring; 51. a light-transmissive protective cover.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

a full-circle rotatable fan as shown in fig. 1, 2 and 3 comprises a base 30, a fan assembly 10 and a connecting arm assembly 20. The fan assembly 10 is mounted on the top end of the arm assembly 20 and the bottom end of the arm assembly 20 is mounted on the base 30.

It should be noted that the connecting arm assembly 20 of the present embodiment may include at least two connecting arms 21 for easy assembly, and the above-mentioned driving mechanism for the fan blades 11 may be implemented by a conventional motor 34 in the prior art. In addition, the fan assembly 10 includes a housing, a fan blade 11 and a driving mechanism for the fan blade 11, the fan blade 11 is pivotally connected in the housing, the driving mechanism for the fan blade 11 is used to drive the fan blade 11 to rotate, and when the fan assembly is installed, the housing is installed at the end of the connecting arm 21 of the connecting arm assembly 20.

In this embodiment, the base 30 includes an upper cover 31, a lower cover 32 and a driving assembly for the upper cover 31, and the upper cover 31 is rotatably mounted on the lower cover 32. The driving assembly of the upper cover 31 comprises a gear ring 33, a driving gear 35 and a motor 34, and the gear ring 33 is fixedly connected to the inner wall of the lower cover 32. The body of the motor 34 is fixedly connected to the bottom end of the upper cover 31, the rotating shaft of the motor 34 is fixedly connected with a driving gear 35, and the driving gear 35 is engaged with the gear ring 33 and moves around the gear ring 33 under the driving of the motor 34.

On the basis of the structure, when the fan needs to swing, the motor 34 can be started, the driving gear 35 is driven by the motor 34 to rotate, the driving gear 35 rotates, the machine body of the motor 34 can be driven to rotate around the circumferential direction of the gear ring 33, and the upper cover 31 fixedly connected with the machine body of the motor 34 can rotate around the axis of the upper cover. Since the driving gear 35 can rotate continuously around the gear ring 33 in a full circle, the upper cover 31 can rotate continuously in a full circle, so that the fan assembly 10 mounted on the upper cover 31 can rotate continuously in a full circle to perform continuous blowing in a full circle.

It should be noted that, due to the limitation of the driving structure of the conventional fan, in order to prevent the circuit of the internal motor 34 from being entangled, after the fan assembly 10 rotates a certain angle in one direction, it needs to rotate another angle in the opposite direction, and the fan assembly cannot continuously rotate in the full circumference, so that there is a blowing dead angle. The body of the motor 34 in the present application rotates along with the upper cover 31, so that the problem of winding the wire does not exist, and the problem of continuous full circumference is realized.

Preferably, the middle part of the upper cover 31 and the middle part of the lower cover 32 can be pivotally matched through a bearing 36, and the inner ring of the bearing 36 is connected with the upper cover 31; the outer ring of the bearing 36 is connected to the lower cover 32, so that the pivotal engagement between the upper cover 31 and the lower cover 32 is achieved by the bearing 36, which makes the rotation of the upper cover 31 smoother. Of course, the bearing 36 is commercially available.

Preferably, the motor 34 is a speed reducing motor 34 in the prior art, and the driving is more stable.

Preferably, an installation cavity is further formed inside the upper cover 31, a power supply module 37 is disposed in the installation cavity, and a power cord of the motor 34 extends into the installation cavity and is electrically connected to the power supply module 37, so that the power cord of the motor 34 can be accommodated in the installation cavity of the upper cover 31 to prevent a circuit from being wound during rotation. Of course, the power cord of the drive mechanism for fan blades 11 may also be routed into the mounting cavity via connecting arm 21.

More specifically, the power supply assembly 37 comprises at least two batteries that can power the motor 34 and the blades 11 of the blades 11, allowing the fan to be used without an external power source. Of course, the power supply unit 37 may be a conventional power supply unit 37 and may be electrically connected to an external power supply.

Preferably, a non-slip pad 38 is further fixedly connected to the bottom end surface of the base 30 to prevent slipping during rotation of the upper cover 31, and the non-slip pad 38 may be a silicone pad or a rubber pad.

Preferably, the housing in this embodiment includes a fan front cover 13 and a fan rear cover 12, the fan rear cover 12 is formed as a fan blade 11 cavity, and the fan blade 11 is installed in the fan blade 11 cavity. The fan front cover 13 is detachably sealed at the opening of the cavity of the fan blade 11. In this way, after the fan is used for a period of time, the fan front cover 13 can be removed, so that the fan blade 11 in the cavity of the fan blade 11 can be cleaned conveniently.

More specifically, fan protecgulum 13 and the opening in flabellum 11 chamber are with screw-thread fit's mode fixed connection, can set up the external screw thread at the surface of fan protecgulum 13, set up the internal thread at the opening inner wall in flabellum 11 chamber, and fan protecgulum 13 alright rotatory assembly is in flabellum 11 intracavity, need not so contact outside screw alright direct dismouting, easy dismounting.

Preferably, a lamp ring 50 is further provided on the end face of the housing, and a light-transmitting protective cover 51 is enclosed outside the lamp ring 50. Thus, when the fan is used, the power cord of the lamp ring 50 can be connected to an external power supply circuit or electrically connected to the power supply module 37 inside the upper cover 31, the lamp ring 50 is lighted, and the fan can be used as a desk lamp for multifunctional use.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. A fan capable of rotating in a full circle is characterized by comprising a base, a fan assembly and a connecting arm assembly, wherein the base comprises an upper cover, a lower cover and an upper cover driving assembly; the upper cover driving assembly comprises a gear ring, a driving gear and a motor, and the gear ring is fixedly connected to the inner wall of the lower cover; the machine body of the motor is fixedly connected to the bottom end of the upper cover, the rotating shaft of the motor is fixedly connected with the driving gear, and the driving gear is meshed with the gear ring and moves around the gear ring under the driving of the motor; the fan assembly is installed on the top end of the connecting arm assembly, and the bottom end of the connecting arm assembly is installed on the upper cover.

2. The full-circle rotatable fan of claim 1, wherein the middle portion of the upper cover is pivotally engaged with the middle portion of the lower cover through a bearing; the inner ring of the bearing is connected with the upper cover; and the outer ring of the bearing is connected with the lower cover.

3. The fan of claim 1, wherein the motor is a speed reduction motor.

4. The fan as claimed in claim 1, wherein the upper cover has a mounting cavity therein, a power supply module is disposed in the mounting cavity, and a power cord of the motor extends into the mounting cavity and is electrically connected to the power supply module; the power supply assembly includes at least two batteries.

5. The fan of claim 1, wherein a non-slip mat is secured to the bottom surface of the base.

6. The fan of claim 1, wherein the fan assembly comprises a housing, a fan blade and a blade driving mechanism, the fan blade is pivoted in the housing, and the blade driving mechanism is used for driving the fan blade to rotate; the shell comprises a fan front cover and a fan rear cover, and the fan rear cover forms a fan blade cavity for mounting the fan blades; the fan front cover is detachably packaged at the opening of the fan blade cavity.

7. The fully rotatable fan of claim 6 wherein the fan front cover is fixedly attached to the opening of the fan blade cavity in a threaded engagement.

8. The fan of claim 6, wherein the housing has a rim on an end surface thereof, the rim being externally sealed by a light-transmissive protective cover.