CN210660688U

CN210660688U - Resetting device for fan and fan thereof

Info

Publication number: CN210660688U
Application number: CN201921441284.2U
Authority: CN
Inventors: 麦焕; 陈中兆; 王勇; 马先锋; 贺雷; 何兵
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-06-02
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a resetting device for a fan and the fan thereof, the resetting device comprises a chassis, a rotating component, a controller, a positioning mechanism, the chassis is rotationally connected with a base, the chassis is fixedly connected with a machine head, the rotating component drives the chassis to rotate relative to the base, the controller is used for controlling the action of the rotating component, the positioning mechanism is arranged between the base and the chassis and is used for detecting whether the chassis moves to a preset position or not and sending a detection signal to the controller, the utility model detects whether the chassis moves to the preset position or not through the positioning mechanism and sends the detection signal to the controller, the controller controls the action of the rotating component, then the rotating component drives the chassis to rotate relative to the base, so that the machine head of the fan automatically stops to the fixed position or the initial position, a user does not need to manually adjust the position of the machine head, and avoids manually adjusting a shaking head component to cause the, the user experience is enhanced, and the product sale competitiveness is improved.

Description

Resetting device for fan and fan thereof

Technical Field

The utility model relates to a fan technical field, specificly relate to a resetting means for fan and fan thereof.

Background

The electric fan is a common household appliance, and in hot summer, every family must use the electric fan, and in order to make the electric fan blow in multiple angles, the existing desk type electric fan or floor fan basically has the function of shaking the head, so that more people can blow the wind, and the electric fan is cool. The fan air supply face of function is shaken head in area is big, blow comfortable, nevertheless the subassembly of shaking head when shutting down can not be in fixed position or initial position, looks pleasing to the eye inadequately, also does not benefit to next use, and the user needs manual adjustment, therefore user experience is relatively poor, also can lead to the spare part of shaking the head to damage simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the fan of the function of shaking head in area among the prior art and shake the head subassembly and can not be in fixed position or initial position when shutting down, look pleasing to the eye inadequately, also do not benefit to next use, the user needs manual adjustment, therefore user experience is relatively poor, also can lead to shaking the head spare part damage simultaneously, provides a resetting means and fan for fan.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a resetting means for fan, the fan includes aircraft nose and base, resetting means includes chassis, runner assembly, controller, positioning mechanism, chassis and base rotate to be connected, the chassis with aircraft nose fixed connection, runner assembly drives the chassis for the base rotates, the controller is used for control the runner assembly action, positioning mechanism set up in the base with be used for detecting between the chassis whether the chassis moves preset position to with detect signal send to the controller.

Furthermore, the positioning mechanism comprises a micro switch and a touch structure, and a contact of the micro switch is in contact with the touch structure to send a detection signal to the controller.

Furthermore, the microswitch is arranged on the chassis, and the touch structure is arranged on the base.

Further, the touch structure is arc-shaped.

Furthermore, the rotating assembly comprises a driving gear arranged on the chassis and a driven gear arranged on the base and meshed with the driving gear.

Furthermore, the rotating assembly further comprises a driving mechanism arranged on the chassis and used for driving the driving gear to rotate.

Further, the driving mechanism is a stepping motor, and the stepping motor is in signal connection with the controller.

Furthermore, the driving gear is sleeved on an output shaft of the stepping motor.

Furthermore, the driving gear is provided with an output shaft fixing position of the stepping motor.

A fan comprises a machine head and the oscillating reset device.

It is right by the foregoing the utility model discloses a description can know, compares with prior art, the utility model provides a resetting means for fan and fan detects through positioning mechanism whether the chassis moves preset position to with detected signal transmission to the controller, by the action of controller control runner assembly, drive by runner assembly again the chassis for the base rotates for the aircraft nose of fan is automatic to be stalled to fixed position or initial position, and the user need not manual regulation aircraft nose position, avoids manual regulation head shaking subassembly, leads to the head shaking group part to damage, strengthens user experience, improves product sales competitiveness.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic view of the fan assembly of the present invention;

FIG. 2 is a schematic view of the base structure of the present invention;

FIG. 3 is a schematic view of the chassis structure in the oscillating resetting device of the present invention;

FIG. 4 is a schematic structural view of a rotating assembly in the oscillating resetting device of the present invention;

fig. 5 is a schematic structural view of a controller in the oscillating resetting device of the present invention;

fig. 6 is the structure schematic diagram of the positioning mechanism in the oscillating resetting device of the utility model.

Detailed Description

The technical solution 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 shall belong to the protection scope of the present invention.

Referring to fig. 1 to 6, a resetting device for a fan, the fan includes a machine head 1 and a base 2, the resetting device includes a chassis 3, a rotating assembly 4, a controller 5 and a positioning mechanism 6, the chassis 3 is rotatably connected with the base 2, the chassis 3 is fixedly connected with the machine head 1, the rotating assembly 4 drives the chassis 3 to rotate relative to the base 2, the controller 5 controls the rotating assembly 4 to act, the positioning mechanism 6 is arranged between the base 2 and the chassis 3 to detect whether the chassis 3 moves to a preset position or not, and sends a detection signal to the controller 5.

The positioning mechanism 6 comprises a microswitch 61 and a trigger structure 62, the microswitch 61 is arranged on the chassis 3, the trigger structure 62 is arranged on the base 2, when a contact 611 of the microswitch 61 contacts with the trigger structure 62, it is determined that the chassis 3 moves to a preset position, and a detection signal is sent to the controller 5, wherein the trigger structure is arc-shaped.

The rotating assembly 4 comprises a driving gear 41 arranged on the chassis 3, a driven gear 42 arranged on the base 2 and engaged with the driving gear 41, and a driving mechanism 43 arranged on the chassis 3 and used for driving the driving gear 41 to rotate, in this embodiment, the driving mechanism 43 is a stepping motor, the driving gear 41 is provided with a fixing position 411 of an output shaft 432 of the stepping motor, the driving gear 41 is sleeved on the output shaft 432 of the stepping motor, and the stepping motor 43 is in signal connection with the controller 5.

During assembly, screw columns (31, 32, 33) are arranged on the chassis 3, screw through holes (612, 51, 432) are respectively arranged on the micro switch 61/the controller 5/the stepping motor 43, and the micro switch 61/the controller 5/the stepping motor 43 is fixed on the chassis 3 by respectively aligning the screw columns (31, 32, 33) with the screw through holes (612, 51, 432); the base 2 is provided with a screw column 21, the driven gear 42 is provided with a screw through hole 421, and the driven gear 42 is fixed on the base 2 by aligning the screw through hole 421 with the screw column 21; aligning the fixing position 411 with the output shaft 432, and fixing the driving gear 41 on the stepping motor 43;

in the oscillating process of the fan, the touch structure 62 touches the contact 611 of the micro switch 61, transmits a signal to the controller 5, can set the state to be an optimal state, and records the position of the handpiece 1 in the optimal state through the controller 5, wherein the position of the handpiece 1 in the optimal state has various conditions; the machine head position in the optimal state can be set as the final position of machine head stalling, or the machine head position in the optimal state can be set at any position in the shaking process, if the machine head position in the optimal state is set as the final position of machine head stalling, when a user gives a 'shutdown' signal, if the current state is not the optimal state, the controller 5 controls the stepping motor 43 to act, and then the driving gear 41 is controlled to drive the driven gear 42 to rotate, and then the chassis 3 is driven to rotate relative to the base 2 so as to control the machine head to shake to the optimal state and stop; if the current state is the optimal state, the controller controls the machine head to stop rotating; if the head position in the best state is set to any position in the head shaking process, when a user gives a 'shutdown' signal, the controller can control the head shaking to stop to the final stop position according to the current position, head shaking angle and other information of the head.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A resetting means for a fan, the fan comprising a head and a base, characterized in that: resetting means includes chassis, runner assembly, controller, positioning mechanism, chassis and base rotate to be connected, the chassis with aircraft nose fixed connection, runner assembly drives the chassis for the base rotates, the controller is used for control the runner assembly action, positioning mechanism set up in the base with be used for detecting between the chassis whether the chassis removes to predetermineeing the position to with detected signal send to the controller.

2. The resetting device for a fan as claimed in claim 1, wherein: the positioning mechanism comprises a micro switch and a touch structure, and a contact of the micro switch is in contact with the touch structure to send a detection signal to the controller.

3. The resetting device for a fan as claimed in claim 2, wherein: the micro switch is arranged on the chassis, and the touch structure is arranged on the base.

4. The resetting device for a fan as claimed in claim 2 or 3, wherein: the touch structure is arc-shaped.

5. The resetting device for a fan as claimed in claim 1, wherein: the rotating assembly comprises a driving gear arranged on the chassis and a driven gear arranged on the base and meshed with the driving gear.

6. The resetting device for a fan as claimed in claim 5, wherein: the rotating assembly further comprises a driving mechanism arranged on the chassis and used for driving the driving gear to rotate.

7. The resetting device for a fan as claimed in claim 6, wherein: the driving mechanism is a stepping motor, and the stepping motor is in signal connection with the controller.

8. The resetting device for a fan as claimed in claim 7, wherein: the driving gear is sleeved on an output shaft of the stepping motor.

9. The resetting device for a fan as claimed in claim 7 or 8, wherein: and the driving gear is provided with an output shaft fixing position of the stepping motor.

10. A fan, comprising a head, characterized in that: further comprising a resetting device for a fan according to any of claims 1-9.