Abstract: A vacuum feeder includes a vacuuming part, a grain discharging hose, a sealing assembly, a grain delivery assembly, and an outer cylinder provided with a grain storage space and an installation space. The vacuuming part is used to extract the grain storage space into a vacuum state; an inlet of the grain discharging hose communicates with the grain storage space; and the grain delivery assembly is used to delivery grain in the grain storage space into the grain discharging hose. The sealing assembly includes a sealing driving part, a blocking block, and a sealing inclined plate installed on the blocking block. An output end of the sealing driving part is connected to the blocking block, and the blocking block is used to compress and seal the grain discharging hose, and the sealing inclined plate is used to block an outlet of the grain discharging hose.

Abstract: The application belongs to the technical field of pet instruments, in particular to a pet foot washer. The washer comprises a drive assembly and a cleaning bucket with a cleaning space; the drive assembly comprises a drive part, a wave transmission component, an installation block, an output shaft, a first drive pin and a second drive pin; a first end face and a second end face of the wave transmission component are both wave surfaces, the drive part is installed on the installation block, an output end of the drive part is connected with the wave transmission component, the wave transmission component is connected with the cleaning bucket through the output shaft; the first drive pin and the second drive pin are both rotatably installed on the installation block, and the wave transmission component is installed between the first drive pin and the second drive pin.

Abstract: Disclosed is a rubbing device. The rubbing device comprises a rotating drive part, a mounting post and a rubbing part provided with an inner hole. The rubbing part is rotatably installed on the mounting post through the inner hole; the rotating drive part is installed on the mounting post, positioned in the inner hole, and its output end is connected with the rubbing part; and the rotating drive part is used for driving the rubbing part to rotate to rub a to-be-rubbed object when the to-be-rubbed object scratches the rubbing part. In the present application, the rotating drive part can drive the rubbing part to rotate when the to-be-rubbed object scratches the rubbing part, so as to better rub the to-be-rubbed object.

Abstract: The application belongs to the technical field of pet equipment, in particular to a pet water dispenser, comprising a filter, a water pump, a drinking dish and a water storage tank with a water storage space; the drinking dish is provided with a water storage sink and a first through hole communicating with the water storage sink, the water pump and the filter are both installed on the water storage tank, and the drinking dish covers the water storage tank; a water inlet of the water pump is communicated with the water storage space, a water outlet of the water pump is communicated with the water storage sink, and the first through hole is communicated with the water storage space through the filter; the water pump, the water storage sink, the first through hole, the filter and the water storage space form a circulating filtration loop for drinking water.

Abstract: The application belongs to the technical field of pet instruments, in particular to a pet foot washer. The washer comprises a drive assembly and a cleaning bucket with a cleaning space; the drive assembly comprises a drive part, a wave transmission component, an installation block, an output shaft, a first drive pin and a second drive pin; a first end face and a second end face of the wave transmission component are both wave surfaces, the drive part is installed on the installation block, an output end of the drive part is connected with the wave transmission component, the wave transmission component is connected with the cleaning bucket through the output shaft; the first drive pin and the second drive pin are both rotatably installed on the installation block, and the wave transmission component is installed between the first drive pin and the second drive pin.