8results about How to "Flexible length change" patented technology

The utility model relates to the technical field of electronic cigarettes, in particular to a heating tube packaging structure which comprises a heating tube, a first connecting tube, a second connecting tube and a first heat shrink tube, the first connecting tube is arranged at the first end of the heating tube and is coaxial with the heating tube, the second connecting tube is arranged at the second end of the heating tube and is coaxial with the heating tube, and the first heat shrink tube is arranged in the second connecting tube. The first connecting pipe, the heating pipe and the second connecting pipe are connected into a whole through a first heat shrink tube. The heating tube packaging structure provided by the utility model solves the difficulty in fixing the temperature measuring element and the lead, avoids health hidden dangers caused by packaging with glue, heat preservation cotton and the like, has the characteristics of small heat capacity, good heat insulation, good adaptability and the like, can meet the requirements of quick response, accurate temperature control and low energy consumption, and is suitable for popularization and application. The mouth feel of the electronic cigarette smoking set made of the heating pipe packaging structure can be comparable with that of an international advanced electromagnetic induction inner core heating smoking set, and a special cigarette with a metal heating sheet does not need to be matched.

The utility model discloses an adjustable supporting arm structure for an electric tricycle, and relates to the technical field of tricycle supporting arms, the adjustable supporting arm structure comprises a fixing arm, the outer wall of the fixing arm is fixedly connected with a connecting structure, the inner wall of the connecting structure is slidably connected with a fixing bolt, and the outer wall of the fixing bolt is in threaded connection with a locking nut. A telescopic cavity is slidably connected to the outer wall of the fixed arm, a telescopic arm is slidably connected to the outer wall of the telescopic cavity, and an adjusting structure is fixedly connected to the outer wall of the telescopic arm. And long-distance adjustment depends on sliding adjustment of the telescopic arm and the telescopic cavity, and angle adjustment depends on cooperation of various structures, so that different vehicle types can be adapted, the assembly problem is effectively solved, the assembly speed is increased, the rework rate is reduced, and the production process is optimized.

This utility model discloses a hardware riveting mechanism, comprising: a frame; a mold base, which is movably mounted on the frame, with riveting heads and several guide plates respectively provided at its lower end, wherein there are at least two riveting heads, and the guide plates are arranged at intervals along the same horizontal direction between the two riveting heads, with V-shaped guide grooves recessed at the lower end of the guide plates; a cutting component, which is mounted on the mold base and located on opposite sides of the two riveting heads, for cutting the wire; a driving component, which is mounted on the frame, for driving the riveting heads to move up and down reciprocally; and an adjusting component, which is mounted on the mold base and connected to one of the guide plates, for driving the corresponding guide plate to adjust its displacement longitudinally. This mechanism integrates riveting, wire guiding, cutting, metal sheet bending, and wire length adjustment functions into one unit, reducing process changeover time, significantly improving processing efficiency, and reducing errors during workpiece transfer.

The invention provides 3D special printing equipment which comprises a workbench, a supporting and placing plate, a mounting assembly, a connecting assembly, material scrolls, a printing head and a spray head. According to the 3D special printing equipment provided by the invention, the mounting assembly is arranged, so that the number of the placed material scrolls can be flexibly increased, and a movable assembly slides in the assembly, so that the material scrolls can be more stably placed; the overall length of the mounting assembly is flexibly changed to adapt to increase of scroll supporting pieces, the material scroll is placed in the assembling body and the movable assembling body, infection of water molecules and dust in air to the material scroll is greatly reduced, the material scroll is placed more safely and stably, meanwhile, through splicing and assembling of the scroll supporting pieces, the material scroll supporting pieces can be assembled more stably, and the material scroll supporting pieces can be assembled more stably. The material wire disc can be independently replaced conveniently, quick mounting and dismounting of the mounting assembly are achieved through clamping connection of the clamping connection piece and the mounting plate, the mounting assembly can be operated at will conveniently, and the mounting convenience of the mounting assembly is improved.

The utility model relates to the technical field of side slope protection, especially arch skeleton positioning device. The arch skeleton positioning device includes positioning column and thin steel sheet, and two groups of spool are fixedly sleeved on the positioning column, and the spool all is installed with rotating lever, and the rotating lever all is installed with support arm group. The arch skeleton positioning device provided by the utility model takes the positioning column as the core support, cooperates with two groups of spool symmetrically distributed up and down, and a plurality of annular distribution and rotatable rotating levers are installed on the spool, the rotating lever is connected with the support arm group, the support arm group can stably expand the thin steel sheet to form the arch skeleton structure, compared with the traditional wire rope control, the thin steel sheet has rigidity and is not prone to deformation, can provide accurate and stable linear reference for the arch skeleton prefabricated block installation, greatly reduces the prefabricated block installation position deviation, and guarantees the consistency and stability of overall structure.

The utility model provides a ship transportation track loading device which comprises a transportation plate and a transportation track, a plurality of tooth grooves are formed in the upper end of the transportation track, limiting grooves are formed in the left portion and the rear portion of the upper end of the transportation plate respectively, and electric push rods are arranged on the left portion and the right portion of the rear end of the transportation plate respectively. The upper ends of the two electric push rods penetrate through the rear groove walls of the two limiting grooves correspondingly and are jointly and fixedly connected with a fixing mechanism, a fixing frame is fixedly connected to the middle of the lower end of the conveying plate, the left end and the right end of the fixing frame are each fixedly connected with two supporting plates, and the upper ends of the four supporting plates are all fixedly connected with the lower end of the conveying plate. According to the ship transportation rail loading device, the length of the conveying rail can be flexibly changed by arranging the driving assembly and the conveying rail, the transportation requirement is met, goods can be firmly and stably fixed by arranging the fixing mechanism, safety is improved, and the ship transportation rail loading device is suitable for being widely used.

The utility model discloses a double -sided display board component, including at least one first display panel component and at least one second display panel component, the first display panel component and second display panel component between each other detachable connection becomes a linear display panel component. The double -sided display board component its application in double -sided display board, can adjust the use length of double -sided display board, expands the application scope of double -sided display board.

This utility model relates to the technical field of flexible copper busbar connections, and particularly to an adjustable-length safety charging pile battery flexible connection device. It includes a protective frame, a first copper busbar, and a second copper busbar. Connecting terminals are fixedly connected to the opposite sides of both the first and second copper busbars. An adjustment component is fixedly connected to the inner bottom wall of the protective frame, and a drive component is fixedly connected to the front of the protective frame. This adjustable-length safety charging pile battery flexible connection device, through the coordinated arrangement of the adjustment component, drive component, and locking component, allows for the adjustment of the distance between the movable copper busbar and the positioning copper busbar using a right-angle bracket, thereby increasing or decreasing the length of the first copper busbar. This enables flexible adjustment of the flexible connection length when installing charging pile batteries of different models. Furthermore, the spring force presses the locking block tightly into the locking hole on the front of the right-angle bracket, ensuring that the position of the movable copper busbar does not shift after adjustment, resulting in higher stability.