Oscillating mechanism and ceiling fan using the same
AssigneePan Air Electric Co., Ltd.
InventorShin-Yuan Liu
Life of this patent
Estimating the term…
Abstract
A ceiling fan with an oscillating mechanism includes a clutch member for adjusting the angle of oscillation according to a user's need. When the motor is actuated, the rotating torque induced by the motor and the transmission mechanism is less than the rotational resistance of the clutch member such that the motor may drive the fan to oscillate. Further, when the user applies an external rotational force greater than the rotational resistance of the clutch member, the user can swing the fan to any angle as desired without rotating or shifting other members except the fan and the fan suspension tube. In this manner, undesired damage of the mechanism or motor due to inappropriately applied external force can be avoided efficiently.
Claims16
An oscillating mechanism, comprising:
- a driving shaft;
- a crank plate having one end connected pivotally to the driving shaft;
- a connecting rod having a first end and a second end, wherein the first end is connected pivotally to the other end of the crank plate;
- a spindle link having a head end connected pivotally to the second end of the connecting rod, and a tail end;
- a suspension tube having a top end connected to the tail end of the spindle link;
- and
- a clutch member having at least one wave washer disposed between the spindle link and the suspension tube, wherein the clutch member includes two wave washers and two flat washers, the two wave washers are disposed between the two flat washers.
A ceiling fan, comprising:
- a transmission mechanism including a driving shaft, a crank plate having one end connected pivotally to the driving shaft, and a connecting rod having a first end connected pivotally to the other end of the crank plate, and a second end;
- a clutch member connecting to a fan suspension tube;
- a spindle link coupling the transmission mechanism with the clutch member;
- wherein the clutch member provides a rotational resistance;
- when the driving shaft rotates the crank plate to move the connecting rod so as to rotate the spindle link, whereby the spindle link induces a rotating torque that is less than the rotational resistance of the clutch member;
- and thus the spindle link moves the fan suspension tube to rotate;
- and
- a fan device connected to a bottom end of the suspension tube,
- wherein the second end of the connecting rod has an oval slot, a head end of the spindle link is provided with an axially extending raised post, and the raised post is placed in the oval slot.
An oscillating mechanism, comprising:
- A driving shaft;
- a crank plate having one end connected pivotally to the driving shaft;
- a connecting rod having a first end and a second end, wherein the first end is connected pivotally to the other end of the crank plate;
- two wave washers;
- two flat washers;
- and
- one locking screw;
- wherein the first end of the connecting rod is held between the two wave washers, the two flat washers are respectively disposed on the upper side and the lower side of the two wave washers, and the locking screw is configured to fix the connecting rod between the wave washers;
- further comprising a clutch member disposed between a spindle link and a suspension tube;
- wherein the clutch member includes two additional wave washers and two additional flat washers, the two additional wave washers are disposed between the two additional flat washers, and the clutch member is fitted on the spindle link.
Dependencies are inferred from the claim text.