4results about How to "Limited location" patented technology

The utility model discloses a ceramic homogenizer structure of chromatographic equipment, including inner ceramic homogenizer, the outer surface of inner ceramic homogenizer is provided with shell subassembly, the shell subassembly includes upper ceramic cover, upper limit post, upper limit boss, lower ceramic cover, lower limit post, lower limit boss, retainer and compression ring, the upper ceramic cover and lower ceramic cover all sleeve joint in the outer portion of inner ceramic homogenizer, and the upper ceramic cover is connected with lower ceramic cover screw thread, the inner top wall of upper ceramic cover is integratively provided with upper limit post, the inner side wall of upper ceramic cover is integratively provided with upper limit boss, the utility model discloses the outer portion of inner ceramic homogenizer installs detachable shell subassembly, can increase the size of ceramic homogenizer, realizes size adjustment to adapt to the extraction tube of different size, in addition, with the structure such as limit post, limit boss and retainer, can effectively limit the position of inner ceramic homogenizer, and the stability of structure has been improved significantly.

The invention relates to the technical field of television cabinet plate body polishing, in particular to a television cabinet customized intelligent machining production device which comprises an equipment shell, supporting rods are fixed to the four corners of the upper end of the equipment shell correspondingly, a top plate is fixed to the upper ends of the supporting rods, a regulation and control mechanism is arranged at the lower end of the top plate, and two clamping and fixing pieces are arranged on the regulation and control mechanism; a conveying mechanism is mounted on the clamping piece; a mounting cavity is formed in the equipment shell, and dust collecting boxes are detachably connected to the two ends of the mounting cavity. According to the device, television cabinet boards of various specifications can be clamped according to needs, the television cabinet boards can be controlled to abut against and move with the grinding and polishing wheels so that grinding and polishing operation on the surfaces of the boards can be effectively achieved, meanwhile, the grinding and polishing positions of the television cabinet boards can be controlled so that thorough grinding operation can be conducted on the boards, and it is guaranteed that the surfaces are smooth; and the quality of a final television cabinet finished product is improved, and the grinding and polishing effect can be effectively improved.

This invention discloses a water dispensing device, comprising: a support frame including a connector, one end of which has a connector groove with an opening, and a support surface formed within the connector groove; a water dispensing component connected to a flexible hose, the flexible hose entering the connector groove through the opening, the water dispensing component moving towards the connector groove and having an abutment surface suitable for support by the support surface to rest against the connector groove; a first magnetic attractor mounted on the water dispensing component, its magnetic pole direction perpendicular to the abutment surface, with the magnetic pole closer to the support surface being the first magnetic pole and the other magnetic pole being the second magnetic pole; a second magnetic attractor mounted on the support frame and close to the connector groove, defining the magnetic pole closer to the opening of the second magnetic attractor as the third magnetic pole and the other magnetic pole as the fourth magnetic pole, the third magnetic pole being configured to have the opposite magnetism to the first magnetic pole. This water dispensing device uses universal magnetic rings for both the first and second magnetic attractors in the water dispensing component and the support frame, adapting to different types of water dispensing components, with a simple manufacturing process and low cost.

The utility model relates to a herbicide spraying cart, which belongs to the field of spraying devices and comprises a cart body, and one end of the cart body is provided with a pair of handles. The liquid supply assembly is mounted on the vehicle body; the spraying tool is erected on the vehicle body, and the inlet end of the spraying tool communicates with the outlet end of the liquid supply assembly; the electric control box is installed on the vehicle body, a main electromagnetic valve and a pressure regulating valve for controlling water pressure are arranged in the liquid supply assembly, the electric control box is connected with the main electromagnetic valve and the pressure regulating valve in an electric control mode, and control switches are installed on the handles. The two control switches are in electric signal connection with the electric control box so as to control the main electromagnetic valve and the pressure adjusting valve respectively, an operator can complete spraying in the cart pushing process, the spraying pressure can be controlled, and other large-amplitude actions are not needed.