The utility model discloses a knob type flat mop head, including intermediate motherboard and hinged at both ends of the middle board of the folded plate is provided with a limiting device between the intermediate board and the folded plate, the limiting device linkage knob. After optimization, the limiting device is: the middle board is provided with two pin, the inner side of the two folding plates are provided with pin holes, the two pin and the two pin holes are respectively matched, at the same time, the middle board is pivoted with the rotating plate, the two pins are respectively connected with both ends of the in the middle of the rotating plate, and the turn knob is arranged on the rotating plate. The utility model has the advantages that the folding plate can be folded and unfolded with respect to the middle main board conveniently.
【技术实现步骤摘要】
【技术保护点】
旋钮式平板拖把头，包括中间主板（11）以及铰连于该中间主板（11）两端的折叠板（12），其特征在于：所述中间主板（11）和该折叠板（12）之间设有限位装置，该限位装置联动有旋钮（30）。
【技术特征摘要】
【专利技术属性】
技术研发人员：何敏，吴健，
申请(专利权)人：宁波德腾工业设计有限公司，
类型：实用新型
国别省市：
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