| 摘要 |
A non-slip and impurity inflow preventive step structure of an entrance for an apartment house is provided to keep the indoor living environment clean by brushing away dust stick to shoes easily while walking through an entrance. The non-slip and impurity inflow preventive step structure(100) of an entrance for an apartment house contains a case body(110) installed on the bottom of an entrance for an apartment house and composed of an installation space(112) and a collection space(113) divided by a partition wall(111), an opening hole(114) formed on the collection space, many T-shaped connecting grooves(115) connected with the collection space, a folding projection(117) provided with many through holes(116) and many slits(118), many brushes(120) installed to the inside of the case body rotatively to brush away dust stick to shoes and provided with a long shaft(121) connected between the connecting groove and the slit rotatively and connected with a connecting gear(122), a bearing(123) connected to the outer circumferential surface of the long shaft and a brush(124) formed on the outer circumferential surface of the long shaft, a foot plate(130) installed between the brushes to support shoes when stepping on the brushes and provided with many opening grooves(131) to project the brush upward, a primary projection(132) inserted to the connecting groove, a primary connecting piece(133) projected downward, a secondary projection(134) inserted to the slit, a secondary connecting piece(135) projected downward and a dust guide piece(136) formed on the front to guide the dust of shoes toward the collection space, a driving motor(140) installed to the inside of the installation space to supply rotary force to the brushes and provided with a rotary gear(141) rotated with rotary force and a belt(142) installed between the rotary gear and the connecting gear to transfer the rotary force of the rotary gear to the connecting gear, a dust exhaust unit(150) installed to the case body to discharge the dust accumulated in the collection space to the outside and provided with a dust exhaust piece(158) and a finish piece(155), and a sensor unit(160) installed to the finish piece of the dust exhaust unit to detect the entrance and exit of people and to operate the driving motor selectively. |
