17results about How to "Prevent self-rotation" patented technology

The utility model discloses a high-strength check bolt, which belongs to the technical field of bolts and comprises a main screw, the lower surface of the main screw is in threaded connection with a limiting component, the outer surface of the main screw is in threaded connection with a fastening nut, two sides of the outer surface of the fastening nut are fixedly connected with extension plates, and the lower surface of each extension plate is provided with a circular groove. A connecting assembly is inserted into the circular groove; the limiting assembly comprises an auxiliary screw, and the outer surface of the auxiliary screw is in threaded connection with the lower surface of the main screw. By means of the limiting assembly and the connecting assembly, the connecting plate and the extending plate can be connected through the threaded rod, due to the fact that the thread parameters of the main screw and the auxiliary screw are different, the auxiliary screw and the fastening nut are matched with each other after being tightened and generate the clamping stagnation effect, and therefore the main screw and the fastening nut are effectively prevented from automatically rotating in the continuous vibration process; and therefore, the overall stability of connection is improved, the anti-loosening performance is enhanced, and the safety and reliability of the connection part under the complex working condition are further guaranteed.

The application provides an integrated foam aluminum buffer layer anti-impact offshore photovoltaic platform connecting structure, which comprises a photovoltaic panel mechanism, a clamping mechanism and a supporting mechanism. The photovoltaic panel mechanism comprises a panel main body, side grooves are arranged at front and rear positions of both ends of the panel main body, and limiting blocks are arranged on inner walls of the side grooves. The clamping mechanism comprises a clamping frame, an upper clamping plate is arranged at the upper end of the clamping frame, and a lower clamping plate is arranged at the lower end of the upper clamping plate. The lower clamping plate is lifted into the side groove, the limiting groove on the clamping plate is buckled into the limiting block in the side groove, and the clamping plate is effectively prevented from loosening. The structure makes the photovoltaic panel mechanism more stable after being fixed. The moving plate clamps the long plate, thereby fixing the clamping mechanism. The position of the clamping mechanism is conveniently adjusted. The hexagonal block drives the side threaded rod to rotate, the position of the supporting mechanism is conveniently adjusted, the wrench hexagonal shell is taken out for resetting and buckling on the outer end of the hexagonal block, and the side threaded rod is effectively prevented from rotating by itself.

The utility model relates to an automatic tension wire threading plate for a wire frame of a circular weaving machine, which comprises an assembly frame, a mounting shaft is transversely arranged on the assembly frame, a plurality of assembly seats are arranged on the mounting shaft at intervals, and a tensioning rod is arranged between every two adjacent assembly seats. The tensioning rod comprises a hinge portion hinged to the mounting shaft and a movable portion extending outwards, the movable portion is provided with a threading hole allowing a warp to penetrate through, a thread passing hole is further formed in the position, located on the front side of the threading hole, of the assembling frame, the tensioning rod is further provided with a clamping portion, the assembling base is further provided with an expansion piece, and the expansion piece is connected with the clamping portion. When the tensioning rod is driven to swing upwards, the clamping part can be driven to rotate to be matched with the expansion piece to achieve expansion of the tensioning rod, the lifted tensioning rod can be clamped to prevent the tensioning rod from automatically swinging and falling, the clamping part is driven to be separated from the expansion piece after threading is completed, and the tensioning effect can be achieved. Wiring and threading are convenient, and normal tensioning due to gravity is not affected.

The invention relates to the technical field of electronic connectors, in particular to an electromagnetic shielding connector with a standard interface, which comprises a connector socket and a connector plug, each wire connector comprises a wire connector shell and a first insulator nested in the wire connector shell, a plurality of sets of through holes are formed in each first insulator, two sets of connecting lugs are integrally connected to the sides, away from the connector socket, of the wire connector shells, two sets of hoops are connected between the two sets of connecting lugs through bolts, and anti-skid rubber rings are nested in the hoops. The cable is rapidly fixed through the hoop and the bolt, and it is effectively guaranteed that no cable is loosened or displaced in the vibration and external force pulling environment; the anti-skid rubber ring is attached to the main line in a large area, and the service life of the cable is prolonged.

This utility model discloses a conveniently adjustable layered ceiling assembly design structure, comprising: a keel frame; several adjustment components, each adjustment component including a gear fixing frame, a gear, a rocker arm, a gear safety lock, and an adjustment rod. The gear fixing frame is detachably connected to the keel frame, the gear is rotatably connected to the gear fixing frame, the rocker arm is connected to the gear, the gear safety lock is disposed on the gear fixing frame, the gear safety lock is located above the gear, and the gear safety lock meshes with the gear; the adjustment rod is movably connected to the gear fixing frame, the adjustment rod is vertically arranged, and the gear meshes with a rack on the adjustment rod; and a decorative panel, the decorative panel being connected to the bottom of the adjustment rod. This utility model can solve the problem that the angle of existing ceiling decorative panels is inconvenient to adjust after installation.

This utility model discloses a synchronous belt-driven, stop-and-go retractable screen window, including a left guide rail and a right guide rail. Pulley assemblies are slidably connected to the surfaces of both the left and right guide rails. A synchronous toothed belt is fitted and meshed on the outer surfaces of a first gear, a second gear, and a third gear, and the synchronous toothed belt is fixedly engaged with the lower end of the pulley assembly. A retractable assembly is driven by the rotating ends of the two first gears. A drum is fixedly fitted on the outer surface of the retractable assembly, and a screen is fixedly connected to the outer surface of the drum. A handle is fixedly connected to the end of the screen. By turning the handle, the synchronous toothed belt can be rotated. The rotation of the synchronous toothed belt drives the first, second, and third gears to rotate. The first gear and the retractable assembly drive the drum to rotate. By pulling the end of the screen with the handle, the screen can be retracted and unfolded. The handle can be controlled to stop at any position, providing convenience for the screen window to be unfolded to any size.

The utility model discloses a computer mainframe box with multi -angle adjusting structure relates to computer case technical field, the utility model discloses a base and angle adjusting component, angle adjusting component includes: base, base installation is at the bottom of case, and the inner wall rotation of base is connected with carousel, sliding slot, the sliding slot is set up in the inside of base, and the inner wall sliding of sliding slot is connected with lock block, two support blocks, two support blocks all are fixedly connected in the one side of base outer surface near sliding slot, and the opposite side of two support blocks is connected with eccentric block rotatably, and the outer surface fixed connection of eccentric block has the lever. Through setting up angle adjusting component, specifically is the case angle adjustment completion, and the lever is stirred, and the eccentric block is rotated to make lock block and carousel outer surface contact, and the carousel angle is locked, avoids the case self -rotating in the process of overhauling, and the existing computer mainframe box angle adjustment mode lacks locking mechanism, leads to the problem of poor stability.

The utility model discloses a kind of quick die-changing motor stator stamping device, belong to stamping device technical field.This kind of quick die-changing motor stator stamping device, including main body, fixed mechanism and die mechanism, main body includes punch press, and the bottom side of punch press is fixedly installed with stamping table;Fixed mechanism includes a pair of fixed plate, and a pair of fixed plate is respectively connected with the stamping head bottom end of punch press and the upper end of stamping table, and the center of the opposite surface of a pair of fixed plate is equipped with transmission box, and the opposite surface of a pair of fixed plate is located and is equipped with movable slot in the both sides of transmission box, and the inside of movable slot is rotatably connected with screw rod, and screw rod is all connected with L-shaped moving block with screw thread, and a pair of L-shaped moving block are mirror image set between;Die mechanism includes lower die holder and upper die holder, and lower die holder and upper die holder are respectively set in the opposite surface of a pair of fixed plate, and the utility model, can effectively improve the practicality of motor stator stamping device, with higher practical value.

The utility model relates to mechanical processing technical field, concretely is a kind of universal angle lathe tool extension tool holder, including fixed seat and adjusting base, fixed seat is by the lathe tool holder connecting portion for being connected with lathe tool holder and the adjusting base connecting portion for being connected with adjusting base is composed, adjusting base is rotatably installed on adjusting base connecting portion, rotating drive device for driving adjusting base to rotate to adjust angle and locking device for locking adjusting base on adjusting base connecting portion after adjusting angle are provided on adjusting base connecting portion, lathe tool is fixedly installed in the bottom of adjusting base. The universal angle lathe tool extension tool holder effectively solves the problem of traditional lathe tool holder in angle adjustment efficiency, angle adjustment accuracy, stability, convenience and universality etc., provides powerful support for the high-precision, high-efficiency processing of complex parts in new energy automobile, aerospace and other fields.

This utility model discloses a slag powder conveying device for cement production, relating to the technical field of conveying devices. The utility model includes a conveying pipe, and further includes: a conveying section mounted on the conveying pipe; an adjusting section mounted on the conveying pipe; and a locking section mounted on the adjusting section. The conveying section is located inside the conveying pipe, the adjusting section is located above the conveying pipe, and the locking section is located on the adjusting section for locking the adjusting section. The outer diameter of the rotating shaft matches the inner diameter of the conveying pipe. By incorporating an adjusting section, this utility model solves the problem that existing conveying devices are inconvenient to adjust the material discharge speed of the hopper during use, leading to difficulties in flexibly controlling the material conveying volume according to production needs. This results in situations where excessively fast discharge causes overload of the conveying system, blockage of pipes or equipment, or excessively slow discharge leads to low production efficiency and insufficient material supply.

The utility model relates to the technical field of air compressors, and discloses an improved air inlet structure of an air compressor, which comprises an air inlet cylinder, the bottom of the air inlet cylinder is fixedly connected with a sealing plate, the inner side of the air inlet cylinder is provided with a filtering mechanism, and the filtering mechanism is used for filtering air. An adjusting mechanism is arranged on the left side of the air inlet cylinder and used for adjusting the air inlet amount, the filtering mechanism comprises a bearing cylinder, the outer wall of the bearing cylinder is in sliding connection with the inner wall of the air inlet cylinder, an ultra-fine filtering cylinder is installed at the bottom of the inner side of the bearing cylinder, and a fine filtering cylinder is installed at the top of the ultra-fine filtering cylinder. According to the utility model, when air is introduced into the air inlet cylinder through the air inlet pipe, the air is conveyed downwards through the blower, is sequentially filtered through the coarse filter cylinder, the fine filter cylinder and the superfine filter cylinder, and then is communicated into the compressor through the air outlet pipe, so that the air entering the compressor is ensured to reach the clean standard, the replacement period is prolonged, and the maintenance cost is reduced.

The utility model discloses a pile foundation structure, including, pile foundation mechanism, extension mechanism, extension mechanism sets up at the bottom of pile foundation mechanism, limiting mechanism, limiting mechanism fixedly connected at the both sides of extension mechanism, the pile foundation mechanism includes pile foundation main part, the surface fixedly connected with pile foundation auxiliary frame of pile foundation main part, the outside fixedly connected with pile foundation board of pile foundation auxiliary frame, extension mechanism includes extension cover, the bottom fixedly connected with extension link of extension cover, the outside fixedly connected with transmission case of extension link, the limiting mechanism includes fixed box, the bottom fixedly connected with transmission case of fixed box, the inside of fixed box is provided with the swing block. The utility model has increased the functional of quick length adjustment and fixed of pile foundation, makes its local extension length adjustment effect of pile foundation, prevents the length of pile foundation from the condition of quick adjustment.

This utility model discloses a padding device for producing antibacterial and thermal insulation fabrics, aiming to solve the problem in existing technologies where it is difficult to adjust the squeezing force according to the fabric characteristics when squeezing out excess impregnation liquid. The key technical points are: a padding device for producing antibacterial and thermal insulation fabrics includes a padding tank, padding rollers inside the tank, a feed roller and a discharge roller on both sides of the tank, and a mounting frame on the top of the tank near the discharge roller. A lower pressure roller is rotatably connected to the mounting frame, and a support seat and an upper pressure roller are located above the lower pressure roller. This padding device for producing antibacterial and thermal insulation fabrics uses an adjustment mechanism to allow the support seat to slide up and down along the mounting frame, thereby adjusting the distance between the upper and lower pressure rollers. After adjustment, a rotating limiting part restricts the position of the threaded cylinder to prevent it from rotating on its own, adapting to the padding of thermal insulation fabrics of different thicknesses and ensuring appropriate squeezing force to remove excess impregnation liquid.

The tower crane comprises a connecting frame, a fixed frame is fixedly connected to the top end of the connecting frame, inserting grooves are formed in the four corners of the top end of the fixed frame, inserting columns matched with the inserting grooves are fixedly connected to the four corners of the bottom end of the connecting frame, and clamping grooves are formed in the side ends of the inserting columns. Two grooves are symmetrically formed in the fixing frame, the grooves are matched with the corresponding square grooves through the square grooves, square columns matched with the clamping grooves are slidably arranged in the square grooves, first screw rods are in threaded connection with the square columns, sealing plates are fixedly connected to the positions, corresponding to the grooves, of the fixing frame, and first rotating shafts are rotationally connected to the sealing plates; and the end, extending into the groove, of the first rotating shaft is fixedly connected with a first bevel gear, and two second bevel gears meshed with the first bevel gear are arranged in the groove, so that the situation that a plurality of bolts are used for installing the connecting frame is avoided, time is saved, and the building efficiency of the tower body of the tower crane is improved.

The utility model discloses a kind of coating structure of coating machine for being convenient to adjust in the technical field of coating machine, including rack and two installation warehouses, two The installation warehouse is fixedly connected at the top of the rack, the lower portion of the rack is provided with two support legs, the inside fixed connection of the support leg has liquid storage cylinder, the inside of the liquid storage cylinder is filled with damping oil liquid, the top of the liquid storage cylinder is bonded with sealing ring, the top of the liquid storage cylinder is fixedly connected with return spring one week, and The return spring is evenly distributed, the top of the return spring is fixedly connected with the rack, this coating structure of coating machine for being convenient to adjust, structure design is reasonable, can prevent that thread rod can occur self-rotating due to vibration or external force effect;Vibration produced in the rotating process of coating roller and extruding roller in coating process can be effectively reduced, improve coating effect.

This utility model relates to the field of water treatment agent storage technology, and in particular to a circulating water treatment agent storage device, including a storage tank, a handle and a liquid pipe, a screw cap threaded onto the liquid pipe, a locking groove on the screw cap, an adhesive base on the handle, a guide slide and a through opening on the adhesive base, a sliding rod slidably connected to the adhesive base, a first locking groove and a second locking groove on the sliding rod, a lever and a baffle on the sliding rod, a fixing block on the adhesive base, a locking pin slidably connected to the fixing block, a spring and a pin handle on the pin handle, a finger pressure block on the pin handle, and a support base on the storage tank, with an oil-resistant layer on the support base. This design prevents leakage and evaporation of the circulating water treatment agent between the screw cap and the liquid pipe, improves the anti-rotation and anti-evaporation stability of the screw cap on the circulating water treatment agent storage tank, and improves the oil resistance of the bottom surface of the storage tank.