9results about How to "Simple splicing structure" patented technology

According to the splicing type filter element, the splicable filter element unit and the filter, a first connecting structure and a second connecting structure are formed on an upper end cover and a lower end cover of the splicable filter element unit respectively, and a first connecting structure and a second connecting structure are also formed at the two ends of a sealing cover respectively; the spliced filter element is formed by splicing a plurality of spliced filter element units and a sealing cover through a first connecting structure and a second connecting structure, during splicing, central positioning and sealing are kept through a first connecting ring and a second connecting ring, and locking is achieved through clamping of a U-shaped handle and an annular pull ring. The filter element has the advantages that 1, different filter elements can be spliced to adapt to different filters, the universality is better, and the production cost is low; the splicing structure is simple, operation is convenient, independent packaging and transportation can be achieved, when the filter element is replaced, only part of the severely-lost splicing filter element units need to be replaced, all replacement is not needed, and the use cost is low; and 3, the design is unique, and the U-shaped handle is ingeniously applied, so that the U-shaped handle can be used for locking and fixing during splicing and can also be used for extracting operation.

The utility model discloses an assembly type telescopic tower crane man access platform device, including nested keel, cross bracing keel and antiskid steel sheet, the nested keel includes first square tube and second square tube, and the second square tube is inserted to the first square tube, is used for telescopic adjustment nested keel's overall length and is fixed through high -strength bolt connection, and a plurality of cross bracing keels are connected between two nested keels, and the cross bracing keel is flush with the top surface of the nested keel, and the antiskid steel sheet is laid on the nested keel and the cross bracing keel. The utility model solves the problem that traditional tower crane man access builds low efficiency, poor adaptability, insufficient safety, has the advantages of convenient assembly, telescopic adjustable, high reusability, safe and reliable, can be adapted to different models tower crane and construction working condition, effectively promotes construction safety and operation efficiency.

The utility model discloses a circular splicing lamp which comprises a plurality of arc-shaped lamp tubes, a first straight pipe step structure is arranged at one end of each arc-shaped lamp tube in a protruding mode, a second straight pipe step structure is arranged at the other end of each arc-shaped lamp tube in an inward concave mode, and the first straight pipe step structures are matched with the second straight pipe step structures. The first straight pipe step structure at one end of each arc-shaped lamp tube is spliced with the second straight pipe step structure of the arc-shaped lamp tube on the adjacent side, and the second straight pipe step structure at the other end of each arc-shaped lamp tube is spliced with the first straight pipe step structure of the arc-shaped lamp tube on the adjacent side. The arc-shaped lamp tubes are spliced through the first straight tube step structures and the second straight tube step structures, the splicing structure can be simplified, the assembling difficulty and cost can be reduced, the splicing freedom degree of the arc-shaped lamp tubes can be improved, cracks generated by splicing of the arc-shaped lamp tubes can be hidden, transition among the arc-shaped lamp tubes is smoother, and the service life of the arc-shaped lamp tubes is prolonged. And a more continuous and uniform visual effect is brought to the spliced lamp, so that the attractiveness of the spliced lamp is improved.

The invention discloses a fabricated building joint stable connecting structure and an implementation method thereof, and belongs to the technical field of fabricated constructions.The fabricated building joint stable connecting structure comprises a mounting base, a driving lead screw is arranged in the mounting base, a hand wheel limiting assembly is arranged at the position, corresponding to the driving lead screw, of the top end of the mounting base, and a mounting plate is arranged on the surface of the driving lead screw; positioning mounting assemblies are arranged at the two ends of the mounting plate, connecting bases are arranged in the positioning mounting assemblies, fastening mounting assemblies are arranged in the connecting bases, and a convenient splicing assembly is arranged on one side of the surface of each mounting base; by arranging the positioning and mounting assembly, connecting bases of different specifications can be quickly disassembled, assembled and replaced according to using requirements, the using effect of the equipment is improved, the construction efficiency is guaranteed, the width of the interior of the connecting base can be adjusted so that different steel beams can be limited, and the using effect of the equipment is guaranteed; and a plurality of groups of mounting seats can be quickly and stably spliced together for use.

The utility model belongs to the technical field of laser cutting machines, and particularly relates to a splicing structure of a grating table of a large-breadth laser cutting machine, which is formed by splicing at least two sections of grating table frames through a connecting mechanism, and the connecting mechanism comprises a left positioning block, a right positioning block, a front positioning plate and a connecting block. A protrusion and a groove which are matched with each other are arranged on the contact face of the left positioning block and the right positioning block, front positioning protrusions are arranged on the side portions of the left positioning block and the right positioning block respectively, a positioning groove is formed in the middle of the front positioning plate, the front positioning protrusions are inserted into the positioning groove, and the two sides of the front positioning plate are fixed to the side portions of the two adjacent grating table frames through bolts. The upper portion of the left positioning block and the upper portion of the right positioning block are respectively provided with an upper positioning protrusion, a connecting groove is formed in the middle of the connecting block, and the two upper positioning protrusions are arranged in the connecting groove after being buckled and are fixed through bolts. The device can effectively solve the adverse problem caused by the large breadth of the grating material table, is simple in splicing structure and convenient to operate, and saves the technical difficulty of material table assembly.

A floating platform comprises a plurality of floating boxes and keels which are spliced with one another, and comprises a first floating box arranged in the middle and a second floating box arranged on the edge. A first upper through groove is formed in the top face of the first buoyancy tank, a first connecting lug is arranged on the bottom face of the first buoyancy tank, a second upper through groove is formed in the top face of the second buoyancy tank, a second connecting lug is arranged on the bottom face of the second buoyancy tank, and a handrail is arranged on the outer side of the second buoyancy tank. The splicing structure is simple, the splicing reliability is high, the construction period is short, and front-and-back, left-and-right and up-and-down splicing can be achieved; the second buoyancy tanks are arranged at the edge positions of the floating platform, the floating platform guardrail is formed after the guardrails formed on the outer sides of the second buoyancy tanks are spliced, the guardrail does not need to be built in the later period, and the building period of the floating platform is shortened.

The utility model provides a multilayer circuit board capable of being spliced and stacked, which comprises a lower PCB (printed circuit board) and positioning pieces, and a plurality of point positions on the top surface of the lower PCB are fixedly connected with the positioning pieces. The utility model has the advantages that the lower PCB and the upper PCB can be quickly spliced, the splicing structure is simple, the splicing is convenient, the positioning piece is arranged at the gap of the top surface of the lower PCB, before the upper PCB is downwards butted with the lower PCB, the rotating arm is rotated, the rotating arm is adjusted to be vertical to the upper PCB, the end part of the positioning column protrudes out of the side surface of the upper PCB under the action of the spring, and the positioning piece is convenient to splice. The end portion of the positioning column limits the posture of the rotating arm from the two sides, the rotating arm is bent at the position of the groove, the clamping blocks are clamped into the clamping grooves, after the four clamping blocks are clamped into the clamping grooves, the upper PCB and the lower PCB are in butt joint, then the upper PCB and the lower PCB are communicated through the cable and the connector, and due to the structural design, the upper PCB and the lower PCB can be in rapid butt joint within more than ten seconds. The butt joint speed is high, the structure is simple, and the structure is firm.

The ring main unit for the electric power system comprises a ring main unit box body and a supporting seat located below the ring main unit box body, a lifting frame is installed on the upper end face of the supporting seat in a height-adjustable mode, the upper end of the lifting frame is connected with the ring main unit box body through multiple sets of connecting column assemblies, and the height of the ring main unit box body is adjusted by adjusting the height of the lifting frame; connecting assemblies are arranged on the upper end faces of the supporting seats, and every two adjacent ring network box bodies are spliced into a whole through the connecting assemblies on the supporting seats below the ring network box bodies. The lifting frame is arranged on the supporting seat in a height-adjustable mode, the connecting column assembly arranged on the lifting frame is connected with the ring network box body, the defect that adjustment and disassembly and assembly are inconvenient due to a traditional screw connecting structure is overcome, the connecting assembly is arranged on the supporting seat, two adjacent ring network box bodies are rapidly and reliably spliced and used, and therefore the ring network box body connecting structure is simple in structure, convenient to use and high in practicability. The connecting structure is novel in structure, reasonable in design, convenient and rapid to assemble and disassemble, high in efficiency and low in cost, and a rapid and reasonable connecting structure is provided for disassembly, assembly and position adjustment of the looped network box body.