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    • 9. 发明公开
    • CLEANER RECIPROCATING STRUCTURE AND HANDHELD CLEANER
    • EP4374975A1
    • 2024-05-29
    • EP22845242.1
    • 2022-07-15
    • ZHEJIANG QIANJI INTELLIGENT TECHNOLOGY CO., LTD.
    • FU, KekeLI, Jin
    • B08B3/02B08B13/00
    • A cleaner reciprocating structure (100) and a handheld cleaner. The cleaner reciprocating structure (100) comprises a reciprocating mechanism (110), a water pump assembly (120), and a second guide assembly (130). During use, a reciprocating shaft (111) is connected to a driving assembly (210), and the driving assembly (210) is operated to drive the reciprocating shaft (111) to rotate. Since a first guiding assembly (113) is in guiding fit with a guiding portion (1111) on the reciprocating shaft (111), and a sleeve (112) is connected to the first guiding assembly (113), the sleeve (112) performs reciprocating movement in the length direction of the reciprocating shaft (111) under the rotation of the reciprocating shaft (111). Since a plunger (122) is connected to the sleeve (112), the plunger (122) performs piston reciprocating movement in a reciprocating cavity (1211) to suck water from a first channel (1212) and discharge the water from a second channel (1213). Since a mode of converting axial rotation of the reciprocating shaft (111) into reciprocating movement of the sleeve (112) is used, the sliding friction in a conventional eccentric mechanism is changed to the rolling friction of the first guiding assembly (113), thereby facilitating the reduction of a deflecting force, reducing power loss, improving transmission efficiency, facilitating the improvement of water discharge pressure and flow amount for a pump assembly, and improving use experience of a handheld cleaner.