Centrifugal switch for a motor of a clothes dryer
AssigneesNingbo Zhenhai HongYe Electric Appliance & Meier CO., LTD, Changzhou Honest Electric Co., Ltd.
InventorsHonghong Luo, Jie Chen
Life of this patent
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Abstract
A centrifugal switch for a motor of a clothes dryer is provided. The end of a bracket and the end of a fixed contact piece are arranged in alignment and each has a raised contact. An upper limit piece slot is provided above the contact of the bracket inside the housing. The aligned ends of the bracket and the fixed contact piece are located above the aligned ends of a starting spring piece, a starting lower piece and a starting upper piece. A pressing head at one end of the rocking lever is located above one side of the fixed contact piece aligned with the bracket. The other end of the rocking lever extends outside the housing. When the centrifuge is not rotating, a movable sleeve of the centrifuge slides into the rocking lever to trigger the centrifugal switch.
Claims20
A centrifugal switch for a motor of a clothes dryer, wherein
- an outer side of a housing of the centrifugal switch is provided with a mounting hole;
- a fixed contact piece, a starting spring piece bracket, a starting spring piece, a starting lower piece, a starting upper piece and a bracket are fixedly buckled inside the housing;
- a first end of the fixed contact piece, a first end of the starting spring piece bracket, a first end of the starting spring piece, a first end of the starting lower piece, a first end of the starting upper piece and a first end of the bracket simultaneously extend outside a terminal on one side of the housing;
- a second end of the starting spring piece bracket inside the housing is fixedly connected to the first end of the starting spring piece;
- a second end of the starting spring piece is aligned with a second end of the starting lower piece, and the second end of the starting spring piece is provided with a first raised contact;
- a second end of the starting upper piece is located above the first raised contact, and the second end of the starting upper piece is provided with a second raised contact;
- a rocking lever extending outside the housing is aligned with a movable sleeve of a centrifuge;
- the terminal of the housing is further provided with a retainer terminal lug;
- the retainer terminal lug is connected to a motor protector on an opposite side of a housing cover of the housing;
- a second end of the bracket is aligned with a second end of the fixed contact piece;
- the second end of the bracket is provided with a third raised contact, and the second end of the fixed contact piece is provided with a fourth raised contact;
- an upper limit piece slot is provided above the third raised contact inside the housing;
- the second ends of the bracket and the fixed contact piece are located above the second ends of the starting spring piece, the starting lower piece and the starting upper piece;
- a rib partition column is provided between the second ends of the bracket and the fixed contact piece and the second ends of the starting spring piece, the starting lower piece and the starting upper piece;
- both sides of the starting spring piece are separately provided with the first raised contact;
- one side of the starting lower piece is provided with a fifth raised contact, and one side of the starting upper piece is provided with the second raised contact, wherein the fifth raised contact is aligned with the second raised contact;
- a lower limit piece slot is provided under the starting lower piece inside the housing;
- a portion of the rocking lever inside the housing is V-shaped;
- a pressing head at a first end of the rocking lever is located above one side of the fixed contact piece aligned with the bracket;
- a second end of the rocking lever is provided with an L-shaped end bent toward the fixed contact piece;
- a bend of the rocking lever is hinged to a rocking column of the housing;
- the second end of the rocking lever extends outside the housing;
- the fixed contact piece, the starting spring piece, the starting lower piece, the starting upper piece and the bracket are all L-shaped;
- and
- the first raised contact, the raised second contact, the raised third contact, the raised fourth contact, and the raised fifth contact are silver contacts.
Dependencies are inferred from the claim text.