Spraying device for greenhouse watermelon seedling cultivation
The utility model discloses a spraying device for greenhouse watermelon seedling cultivation, and relates to the technical field of spraying devices.The spraying device comprises a shell, the top of the shell is fixedly connected with a bottom plate, the top of the bottom plate is provided with a fi...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a spraying device for greenhouse watermelon seedling cultivation, and relates to the technical field of spraying devices.The spraying device comprises a shell, the top of the shell is fixedly connected with a bottom plate, the top of the bottom plate is provided with a first circular groove, the inner wall of the first circular groove is rotationally connected with a first rubber sleeve, and the left side of the inner wall of the first circular groove is provided with a through hole; a rubber groove is formed in the outer side, close to the through hole, of the inner wall of the first circular groove, a top plate is rotationally connected to the top end of the bottom plate, a first sliding groove is formed in the bottom end of the top plate, an auxiliary rod penetrates through and is slidably connected to the top end of the top plate, and a limiting ring is fixedly connected to the bottom end of the auxiliary rod. The pull rod is pulled upwards, the limiting of the top plate is rel |
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