60results about How to "Works well when used" patented technology

The invention discloses a display plate capable of fixing articles. The display plate comprises a base, wherein a fixed rod is arranged at the top of the base; a display plate main body is arranged at the top of the fixed rod; clamps are arranged at both sides of the top of the display plate main body; each clamp comprises a movable plate; a limiting plate is arranged in an inner cavity of each movable plate; sliding rods are arranged at the top and the bottom of each limiting plate; sliding grooves, which are matched with the sliding rods, are formed in the top and the bottom of the inner cavity of each movable plate; springs are arranged at the joint of the right side of each limiting plate and the corresponding movable plate; a pull rod is arranged at the right side of each limiting plate; each pull rod runs through the corresponding movable plates and extends to the right side of the movable plate; and a pull ring is arranged at the right side of each pull rod. According to the display plate provided by the invention, by virtue of cooperation of the clamps, clamping blocks, connecting rods, the sliding rods, the sliding grooves, the pull rods, the pull rings, the limiting plates, the springs and the movable plates, the articles can be fixed when the display plate is used, so that a good effect of displaying the articles is achieved.

The invention discloses a school book storage cabinet with adjustable space, comprising a cabinet body. A holding plate is arranged in an inner cavity of the cabinet body; a moving box is fixedly connected to the bottom of the cabinet body; a dual-shaft motor is arranged in the center of the inner cavity of the moving box; two output ends of the dual-shaft motor are movably connected with a left-handed screw and a right-handed screw respectively; the connections of the ends, far away from the dual-shaft motor, of the left-handed screw and the right-handed screw with the moving box are movablyconnected with a moving base; the surface of each of the left-handed screw and the right-handed screw is sleeved with a threaded sleeve; a moving plate is arranged at the tops of the threaded sleeves;the top of the moving plate is passed through the moving box and extended to its top. Through the mutual cooperation of the holding plate, the moving plate, the threaded sleeves, the left-handed screw, the dual-shaft motor, the right-handed screw, the moving base, slide grooves, limiting plates and connection plates, the service space of the cabinet can be adjusted during use; therefore, the cabinet can serve more effectively.

The invention discloses an intonation-adjustable Guzheng which comprises a Guzheng body. Placing boxes are arranged on two sides of the Guzheng body, a support is arranged at the top of the Guzheng body, a placing groove is formed in the top surface of the support, Guzheng strings are arranged on the inner side of the placing groove, limit blocks are arranged at two ends of the Guzheng strings, the Guzheng strings penetrate fixed blocks, extend into the placing box and are connected with adjusting devices, and the adjusting devices comprise adjusting shells. According to the Guzheng, the adjusting shells, sliding grooves, sliders, fixing plugs, adjusting rods, fixed rods, first fixed holes and second fixed holes on the adjusting devices are mutually matched, so that the Guzheng strings areconveniently and rapidly adjusted, the Guzheng avoids that tone quality of the Guzheng strings is not accurate as the Guzheng strings are damaged in adjusting as adjusting processes of the Guzheng strings are complicated when the Guzheng strings are adjusted, and the Guzheng is suitable for popularization and use.