Abstract: A foam dispensing device includes an outer tube connecting with a liquid container. A lower tube and an upper tube are partially received in the outer tube. The lower tube has a guide chamber defined therein which has a second inlet defined therein. A liquid piston is connected with the lower tube for selectively sealing the second inlet. A spring is compressibly received in the outer tube and abuts against the lower tube. The upper tube sleeves on the lower tube and has a mixing chamber defined therein for communicating with the guide chamber. An air piston movably sleeves on the upper tube and has at least one air hole defined therein for guiding air into the outer tube. A dispensing head is connected with the upper tube and has a nozzle formed thereon.

Abstract: A spray device for generating foam includes a container provided for receiving liquid, a spray element mounted on a top of the container, a guiding tube extending into an interior of container, and a pressurizing element mounted on the container. The spray element has a guiding channel defined therein. The guiding tube is connected with the guiding channel. The guiding tube has an air hole laterally defined therein and positioned adjacent to the guiding channel. The pressurizing element is manually operated to aerate air into the container to compress the air in the container for pushing the liquid spraying from spray element via the guiding tube.

Abstract: A pump assembly with a pressable head includes a push tube, an inner tube, a stop valve, and an outer tube; a top of the push tube passing through the outer tube; the push tube communicates with the inner tube; a bottom of the inner tube is formed with an annular plug; the annular plug of the inner tube has a plurality of via holes defined therein. The via holes have inclined inner walls. A top of the inner tube has a stop valve; the stop valve is a flat structure; an elastic structure is formed on a periphery of the stop valve; by elastic deformation of the elastic structure, the stop valve tightly adheres to an inner wall of the outer tube; an interior of the outer tube has a stepped structure with a greater diameter at an upper side and a smaller diameter at a lower side.