| 摘要 |
<p>A brush with a hollow structure includes a tube(10), a casing tube(20), a piston stick(30), a brush body(40) and a cover(50). The tube(10) has an opening with a screw portion(12). The casing tube(20) is provided on inner margin of the opening of the tube(10). A containing space(21) is provided on one end of the casing tube(20), wherein a supporting surface(22) is formed. At least an outlet(23) is provided on the other end of the casing tube(20). The piston stick(30) is hollow, and has a stick top portion(31) and a stick body portion(32). A fastener(321) is protruded from the outside peripheral surface of the stick body portion(32). The stick body portion(32) is put through a spring(34), and the both ends of the spring(34) are respectively against the supporting surface(22) and the fastener(321). The brush body(40) includes a brush stick(41) and bristles(42). The bristles(42) are protruded and disposed on the outside peripheral surface of the brush stick(41). The brush stick(41) has a penetrating hole(43) on its central axis and a plurality of through-holes(44) on its periphery, and the penetrating hole(43) is communicated with the through-holes(44). The cover(50) can be screwed and fastened on the screw portion(12).</p> |
