IP Library › Granted Patent US 11,098,433
Granted Patent B2
US 11,098,433 · App. 16/426,904 · Granted Aug 24, 2021

Washing machine

Inventors: Tao Jiang (Wuxi, CN); Kyunghag Kim (Wuxi, CN); Deyuan Wu (Wuxi, CN); Shuai Tong (Wuxi, CN); Changxing Zhao (Wuxi, CN); Lufu Tan (Wuxi, CN); Xin Yu (Wuxi, CN); Zhigang Liu (Wuxi, CN); Hucheng He (Wuxi, CN)
Assignee: WUXI LITTLE SWAN ELECTRIC CO., LTD.
D06F37/22D06F23/02D06F37/28D06F39/12D06F39/14
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Quick Facts
Patent No.
US 11,098,433
App. No.
16/426,904
Granted
Aug 24, 2021
Kind
B2
Abstract

A washing machine ( 100 ), comprising a support frame ( 1 ), the support frame ( 1 ) comprising a door support ( 11 ); a drum ( 2 ) being arranged on the support frame ( 1 ) in a manner enabling rotation around the central axis of rotation; a door ( 3 ) being arranged on the door support ( 11 ) in a manner enabling rotation around the central axis of rotation; and a pushing plate ( 4 ), connected respectively to the door ( 3 ) and the drum ( 2 ) when in a first state, and being spaced apart from at least one of the door ( 3 ) and the drum ( 2 ) when in a second state.

Claims (16)

1. A washing machine, comprising:

a support frame comprising a door support;

a tub arranged on the support frame rotatably around a rotation center shaft;

a door arranged on the door support rotatably around the rotation center shaft, and the door being configured to open or close the tub; and

a push plate configured to switch between a first state and a second state, the push plate being fixedly mounted to the tub, the push plate being connected to the door and the tub respectively in the first state, such that the tub drives the door to rotate, and the push plate being separated from at least one of the door and the tub in the second state, wherein a first one of the door and the door support is provided with a rail groove extending in a direction surrounding the rotation center shaft, and a second one of the door and the door support is provided with a sliding shaft slidably engaging the rail groove, and wherein the door support is provided with the rail groove extending in the direction surrounding the rotation center shaft, and the door is provided with the sliding shaft slidably engaging the rail groove.

2. The washing machine according to claim 1 , wherein the sliding shaft is provided with a roller bearing, and the roller bearing has an inner race connected to the sliding shaft and an outer race movably arranged in the rail groove.

3. The washing machine according to claim 1 , wherein the door support comprises:

a rail cover; and

a rail plate fixedly mounted on the rail cover, the rail groove being formed in the rail plate,

wherein the sliding shaft is provided with a roller bearing, the roller bearing has an inner race connected to the sliding shaft and an outer race movably arranged in the rail groove and abutting against the door support, and the door support is provided with a relief groove for spacing the inner race of the roller bearing apart from the rail cover.

4. The washing machine according to claim 1 , wherein the door support comprises:

one or a plurality of the rail grooves arranged at intervals, a plurality of the sliding shafts being provided in one-to-one correspondence with the plurality of the rail grooves.

5. The washing machine according to claim 1 , wherein the rail groove extends in an up and down direction, the push plate having a pushing portion located below the sliding shaft and configured to push the sliding shaft upwards, and the push plate is in the second state when the sliding shaft is located at a lower end of the rail groove.

6. The washing machine according to claim 5 , wherein an included angle between a connecting line L1 from the rotation center shaft to the pushing portion and a connecting line L2 from the rotation center shaft to the lower end of the rail groove is in a range of 0° to 5°, when the tub is in a lower limit position.

7. The washing machine according to claim 1 , wherein the door support is arranged at each of a left side and a right side of the door, and each of a left end and a right end of the door is slidably connected to the corresponding door support.

8. The washing machine according to claim 1 , wherein the push plate is arranged at each of a left side and a right side of the tub.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 19, 2019
From: JIANG, TAO; KIM, KYUNGHAG; WU, DEYUAN; TONG, SHUAI; ZHAO, CHANGXING; TAN, LUFU; YU, XIN; LIU, ZHIGANG; HE, HUCHENG
To: WUXI LITTLE SWAN ELECTRIC CO., LTD.
Reel/Frame 051052/0772 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 19, 2019
From: WUXI LITTLE SWAN COMPANY LIMITED
To: WUXI LITTLE SWAN ELECTRIC CO., LTD.
Reel/Frame 051057/0152 →
Priority Claims (2)
CN 201611087460.8 · Nov 30, 2016 · national
CN 201621306505.1 · Nov 30, 2016 · national
Continuity (2)
Continuation PCTCN2017078464 · Mar 28, 2017
Related Publication 20190276968A1 · Sep 12, 2019