Abstract: The present invention discloses an inflatable mattress with an improved structure, which belongs to an inflatable mattress structure, comprising an inflatable mattress body. The inflatable mattress body is provided with an inflatable port. The upper part or the lower part of the inflatable mattress body is provided with a first annular pipe. A second annular pipe is also provided adjacent to the first annular pipe, and the second annular pipe is connected to the first annular pipe. The shapes of the first annular pipe and the second annular pipe are adapted to the contour of the side edge of the inflatable mattress body, and the first annular pipe and the second annular pipe are provided between the top surface and the side edge of the inflatable mattress body.

Abstract: The utility model discloses a safety fence, comprising a door lock kit, a sliding switch key, a lock cylinder spring, a lock cylinder, a lock cylinder sleeve, a lock cylinder cover, a lock head, a bolt positioner, a nut, a bolt, a handle switch spring, a door lock fixing part, a handle switch key, a linkage rod kit, a linkage rod, a main body movable door, a rotating shaft kit, a rotating shaft wear-resistant part, a rotating shaft fixing part, a rotating shaft spring, a fixed door frame, a bottom movable switch fixing part, a bottom movable switch spring, a bottom movable switch, a bottom movable switch sleeve, a one-way and two-way setting movable part, a one-way and two-way setting fixing part and the like.

Abstract: The present invention discloses an intelligent low-water-level pump, which comprises an upper cover, a lampshade, an LED lamp, a circuit board, a power supply coil, a probe, a water outlet, a pump main body, a rotor, a sealing cover and a bottom cover. The pump main body is provided with the upper cover and the bottom cover and also has an accommodating space, and the power supply coil is arranged in the accommodating space. The rotor is arranged at the lower end of the power supply coil, and the sealing cover is arranged at the lower end of the rotor.