Abstract: A diaphragm pump includes a pump body mechanism, a one-way valve mechanism, a diaphragm mechanism, and an eccentric mechanism, wherein the one-way valve mechanism, the diaphragm mechanism and the eccentric mechanism are mounted at the pump body mechanism. The one-way valve mechanism includes a valve cover and a one-way valve mounted at the pump body mechanism via the valve cover. The diaphragm mechanism includes a pump cover and a diaphragm connected to the pump cover. The pump cover is mounted at the pump body mechanism and covers the diaphragm and the valve cover. The diaphragm is detachably connected to the eccentric mechanism. The pump cover and the diaphragm jointly form a diaphragm cavity, and an inner side of the pump cover is provided with a flow channel communicating with the diaphragm cavity and configured to allow liquid to flow into or out of the diaphragm cavity through the flow channel.

Abstract: A diaphragm pump includes a pump body mechanism, a one-way valve mechanism, a diaphragm mechanism, a motor mechanism, and an eccentric mechanism. The one-way valve mechanism includes a one-way valve and a valve cover configured to mount the one-way valve at the pump body mechanism. The diaphragm mechanism includes a pump cover mounted at the pump body mechanism and a diaphragm connected to the pump cover. The pump cover is configured to cover the diaphragm and the valve cover. The one-way valve mechanism, the diaphragm mechanism, the motor mechanism, and the eccentric mechanism are mounted at the pump body mechanism.

Abstract: A motor includes a base, a rotor assembly, a first bearing, an elastic member, and a support member. The base includes a body and a support. The body includes a shaft hole. The support is arranged at an inner surface of the shaft hole. The rotor assembly includes a rotation shaft. The bearing is sleeved at the rotation shaft and at least partially mounted in the shaft hole. The rotation shaft is connected to an inner ring of the bearing and configured to rotate relative to an outer ring of the bearing. The elastic member is arranged between the support and the bearing and configured to apply pressure to the outer ring of the bearing. The support member is arranged at the rotation shaft. The support member abuts against the inner ring of the bearing and is configured to provide a support force to the inner ring of the bearing.