Abstract: A refillable sprayer with explosion-proof effect has a first shell, a second shell, and a retaining ring. The first shell has a first body and a first mesh body. The first body is made of plastic. The first mesh body is made of metal, is covered by the first body, and has multiple first through holes. The second shell is detachably connected to the first shell and has a second body and a second mesh body. The second body is made of plastic. The second mesh body is made of metal, is covered by the second body, and has multiple second through holes. The retaining ring is made of metal and is sleeved on a connecting position where the second shell is connected to the first shell.

Abstract: A spray can has a first body, a second body, and a reinforcing sleeve. The first body is made of plastic. The second body is made of plastic and is connected to the first body. The reinforcing sleeve is made of metal. The reinforcing sleeve is sleeved on the second body and is adjacent to a joining portion where the second body is connected to the first body. The first body and the second body made of plastic save a lot of material and machining expenses. The reinforcing sleeve8 ade of metal enhances the rigidity of the joining portion of the first body and. the second body.

Abstract: An auto-filling assembly for a refillable sprayer has a base device, a controlling device and a filling device. The base device has a base, an oil tank and a connecting jacket. The connecting jacket is mounted on the base and has a connecting disk, a switch and an engaging mount. The controlling device is connected to the base device and has an inlet valve, a first linking valve, a gas-controlling valve, a second linking valve and a triple valve. The filling device is mounted on the base device, is connected to the controlling device and has a storage bottle, a release valve and a mechanical valve. The auto-filling assembly can be used to fill pressurized gas and oil into a refillable sprayer conveniently and automatically.

Abstract: A refillable sprayer has a can, a spray nozzle, a gas filling valve and a release valve. The can is hollow and has a top casing and a bottom casing. The bottom casing is combined detachably with the top casing. The spray nozzle is mounted through the can. The gas filling valve is mounted on the can.