9results about How to "Fast self-locking" patented technology

The invention provides automatic machining equipment for an industrial composite door structure and a machining method of the automatic machining equipment, and belongs to the technical field of industrial composite door welding. Comprising two symmetrically-arranged bases, driving devices are installed on the tops of the bases, welding arms are arranged in the middles of the bases, and a welding frame assembly is installed between the two driving devices; the welding frame assembly comprises a first rotating frame fixedly connected to the driving device, and a sliding frame is connected to the first rotating frame in a sliding mode. According to the welding device, the short rod fixing assembly, the long rod fixing assembly and the corner fixing assembly are arranged, a long rod to be welded and a short rod to be welded are limited through the short rod fixing assembly and the long rod fixing assembly correspondingly, then the connecting position after the long rod and the short rod are spliced is limited and fixed through the corner fixing assembly, and stability between the long rod and the short rod during welding is guaranteed; and meanwhile, the long rod and the short rod are simple to mount, and are convenient to dismount after being welded.

The utility model relates to the technical field of refrigerator accessory equipment, and discloses a refrigerator ceiling lamp pre-embedded box mounting structure which comprises a first pre-embedded box, partition plates are fixedly mounted at the two ends of the interior of the first pre-embedded box, and the two ends of the interior of the first pre-embedded box are divided into two clamping cavities through the partition plates; and a second pre-embedded box is movably mounted in the first pre-embedded box. According to the utility model, based on the split type design of the first pre-embedded box and the second pre-embedded box, in combination with the elastic clamping connection of the V-shaped cross section of the tensioning plate and the clamping connection cavity, and in cooperation with the extension edge and the inclined guide surface of the fixed block, the rapid alignment and self-locking of the second pre-embedded box are realized, and meanwhile, the fixed clamping block and the movable clamping block can block the tail end of the limiting pin; according to the structure, through multi-stage elastic matching and guiding design, the installation steps are simplified, and loosening caused by vibration is effectively prevented through mechanical interlocking.

This utility model discloses a fixing device for inserting tubes on the front side panel of a smart cockpit, relating to the field of fixing device technology. The utility model includes a front side panel, with a column fixedly connected to the side of the front side panel. A hollow block is bolted to the side of the column, and a screw is bolted to the side of the hollow block. An internal tube fixing mechanism is provided on the side of the front side panel. This utility model achieves rapid clamping of the insert tube through the cooperation of components such as threaded rods, threaded sleeves, and sliding shafts within the internal tube fixing mechanism. It is easy to operate, and the symmetrically distributed structure ensures uniform clamping force, preventing tube skewing. The sliding shaft and slider work together to ensure stable movement, and a spring provides elastic buffering to prevent excessive clamping and damage to the insert tube, while also enhancing fixing stability. The double-clamping block design adapts to different tube diameters, improving versatility. The overall structure is compact, effectively fixing the insert tube, reducing shaking, and adapting to the complex working conditions of a smart cockpit.

The utility model discloses a signal module terminal device capable of fast assembly, which relates to the technical field of signal module terminals, and comprises a socket body, the left side of the socket body is in sliding connection with a welding pin, the right side of the socket body is provided with a plug body, and the plug body is internally provided with a plug hole. Through the arrangement of the welding needle, the plug body, the plug hole, the plug cover plate, the wrench and the cold pressing wiring terminal, when a female needle needs to be inserted, the insertion needle is connected with the socket body, the wrench is pressed downwards, the female needle is inserted into the socket body, and the female needle is inserted into the socket body through the welding needle, the plug body, the plug hole, the plug cover plate, the wrench and the cold pressing wiring terminal. The socket body and the plug body are plugged, the wrench is pulled upwards, the socket body is pressed for self-locking, the plug cover plate is inserted into the bottom of the plug body to a pre-buckling position, the female pin is inserted into the plug body, and the plug cover plate is pressed to a limiting state, so that the female pin can be self-locked quickly.

The self-locking electrical connection structure disclosed in this invention includes a first conductor and a second conductor, and further includes: a latching contact finger hinged to the second conductor for electrical connection and engagement with a slot on the outer periphery of the first conductor; a reset elastic element for gripping the latching contact finger in the slot; an unlocking device disposed on the path along which the latching contact finger slides in the slot, allowing the latching contact finger to disengage from the slot when engaged with the unlocking device; and a contact plate for electrical connection to the end of the first conductor and connected to the second conductor via a conductive compression elastic element, wherein the latching contact finger engages with the slot when the conductive compression elastic element is compressed to a preset state. This invention achieves self-locking through the engagement of the latching contact finger and the slot, ensuring connection stability and high reliability. Unlocking can be quickly achieved through the engagement of the latching contact finger and the unlocking device, simplifying the installation and disassembly steps of the electrical connection. This invention also discloses a high-voltage switchgear.

The application provides a self-locking clamp, which comprises a support plate, a bearing assembly, a self-locking assembly, wherein the bearing assembly comprises a mounting plate, the mounting plate is connected to the support plate and moves up and down above the support plate, the self-locking assembly comprises a guide piece, a sliding piece and a fixing piece, the guide piece is connected to one side of the mounting plate, the guide piece comprises a limiting groove and a guide slope, the guide slope is arranged to be inclined in the length direction of the mounting plate, and the limiting groove is connected to one end of the guide slope, the sliding piece is arranged on the support plate and comprises a sliding wheel and a first locking piece which are connected to each other, the sliding wheel moves along the guide slope, the fixing piece is arranged on the support plate and comprises a second locking piece, and the first locking piece and the second locking piece are locked to each other when the sliding wheel moves into the limiting groove. The self-locking mechanism has the advantages of simple structure, stable effect, fast self-locking, low production cost, wide application range and wide application prospect.

The utility model discloses an assembled and spliced iron bed frame relates to bed field, including long branch leg and rail pipe, one side fixedly connected with rail pipe of long branch leg, one side of rail pipe is provided with short branch leg, the top of rail pipe is connected with the grooving sliding tube, and even connected with the horizontal square tube between grooving sliding tube, even be provided with mounting hole on rail pipe, even be connected with the additional horizontal frame between the top of rail pipe, and the bottom of additional horizontal frame is fixed with locking block even. The utility model discloses through adjusting the length between long branch leg and grooving sliding tube, and the locking block on additional horizontal frame is inserted into the mounting hole of rail pipe top end alignment. In the inside of self -lock seat, the bottom of locking block moves along the inclined plane of lock head in the process of sliding down, and lock head extrudes spring base to the back, until lock head enters the inside of lock hole, and completes self -lock movement.

The invention belongs to the technical field of mechanical connection, and relates to a quick-release self-locking anti-loosening locker which comprises an inner core, a tight sleeve, a locking outer ring and a loosening button. The locking shaft is sleeved with the inner core, the inner core is a C-shaped pipe of a horn-shaped structure with the small upper end and the large lower end, and the upper end of the inner core extends outwards in the radial direction to form an upper limiting ring; the inner core is sleeved with the tight sleeve, the tight sleeve can move in the axial direction of the inner core, so that the state of the inner core on the locking shaft is switched between a free moving state and a locking state, and a spiral groove is formed in the tight sleeve; the locking outer ring sleeves the tight sleeve and can rotate relative to the tight sleeve, and a through hole is formed in the locking outer ring in the radial direction of the locking outer ring; the loosening button comprises an inserting rod, the inserting rod penetrates through the through hole, and the length of the part, exposed out of the inner end of the through hole, of the inserting rod is adjustable; when the exposed length of the insertion rod from the inner end of the through hole reaches the maximum, the insertion rod is inserted into the spiral groove, and when the exposed length reaches the minimum, the insertion rod leaves the spiral groove. Rapid self-locking and rapid loosening can be achieved, and meanwhile the anti-vibration loosening performance is achieved.

The application relates to a blade structure for a turbocharger, belonging to the technical field of blade structures, and specifically comprising blades, mounting columns and mounting seats, the mounting columns being mounted on the top of the mounting seats, and the blades being annularly and equidistantly arranged on the surface of the mounting columns. The application is provided with components such as plug-in plates, plug-in grooves, positioning blocks, positioning grooves, supporting rings, fixing columns and fixing rings, the plug-in plates are matched with the plug-in grooves, the positioning blocks are embeddedly connected with the positioning grooves, and the limiting grooves of the supporting rings are limitedly matched with the limiting rings on the fixing columns, so that the fixing columns can be screwed into the mounting grooves of the mounting seats, and the fixing rings are locked to form integral constraints, the overall fixing effect is improved, the device can independently disassemble the fault blades without disassembling a large number of bolts when single-stage blades are damaged, and the problems of traditional structures, such as complicated disassembly, time consumption and labor intensity, are solved.