9results about How to "Non-destructive disassembly" patented technology

The utility model discloses a split type valve seat quick replacement clamp, it includes a C shaped frame, the C shaped frame has an opening for accommodating valve body, a drive mechanism is installed on the C shaped frame, a briquetting assembly is connected with the output of drive mechanism, the drive mechanism can drive briquetting assembly moves along the direction perpendicular to C shaped frame opening plane, at least two clamping jaws, symmetrically, slidably set up on the C shaped frame, the inside of clamping jaw is equipped with the snap -fiting part for with valve seat external structure matches, a linkage mechanism connects briquetting assembly and clamping jaw, is used for with briquetting assembly's linear motion conversion is the radial synchronous clamping or loosening movement of clamping jaw. The utility model can realize split type valve seat's quick, laborsaving, accurate and lossless centering accurate and dismounting, effectively improves maintenance efficiency, guarantees the operation safety.

The utility model discloses a two-air-bag type automobile seat waist support and an automobile seat, and relates to the technical field of automobile seats, the two-air-bag type automobile seat waist support comprises a middle air bag, side air bags and an air pump; the middle air bag comprises an upper air bag and a lower air bag, and the upper air bag and the lower air bag are distributed on the air bag plate up and down; the side air bags comprise the left air bag and the right air bag, and the left air bag and the right air bag are arranged on the air bag plate and located on the two sides of the middle air bag respectively. The air pump is connected with the air valve group through an air pipe, and the air valve group is connected with the middle air bag and the side air bags through air pipes to inflate the middle air bag and the side air bags. The air bag plate is arranged on a backrest of the automobile seat. Therefore, the problems existing in the background technology are solved, the lightweight design of the automobile seat waist support and the automobile seat is achieved, and the comfort of the automobile seat is improved.

The crankshaft rotor connecting structure comprises a crankshaft and a rotor connected with the crankshaft, the rotor is arranged on the periphery of the crankshaft in a sleeved mode and fixedly connected with the crankshaft through threads, a limiting buckle is further arranged on the crankshaft, the limiting buckle abuts against the axial end face of the rotor, and the rotor is connected with the crankshaft through the limiting buckle. The limiting buckle is further provided with a limiting piece parallel to the axial direction, and the limiting piece is connected with the rotor. According to the crankshaft rotor connecting structure for the compressor, the crankshaft and the rotor are connected in a threaded connection mode, further limiting is matched with a buckle, the coaxiality of the crankshaft and the rotor is guaranteed while fixed connection is achieved, in the fixing mode, the rotor does not need cold pressing or hot pressing, the rotor is not subjected to rapid changes of temperature and external force, and the service life of the rotor is prolonged. And the cylindricity of the rotor can also be ensured.

The utility model discloses an electromagnetic valve dismounting device which comprises a fixing mechanism and a dismounting mechanism. The fixing mechanism comprises a base, a fastening assembly arranged on the base and used for fixing a valve shell of the electromagnetic valve, a positioning piece arranged on the base and used for positioning the electromagnetic valve, and a guiding piece arranged on the positioning piece and used for guiding a clamping spring of the electromagnetic valve to change the movement direction. The dismounting mechanism comprises a connecting assembly used for being connected with a valve sleeve of the electromagnetic valve and a driving part connected with the connecting assembly. According to the electromagnetic valve dismounting device, the electromagnetic valve can be dismounted in a lossless mode, cutting is not needed in the whole process, metal scrap pollution is avoided, interference on fault analysis is avoided, the electromagnetic valve dismounted through the electromagnetic valve dismounting device can be reassembled and restored, the electromagnetic valve can be reused, and resources are saved.

The utility model discloses a fast installation magnetic type LED line lamp which comprises an installation shell, magnetic suction boxes are fixedly installed at the two ends of the installation shell, four round through holes are formed in the top of each magnetic suction box, a rotating cavity is formed in each magnetic suction box, four adsorption magnets are fixedly installed in each magnetic suction box, and the adsorption magnets are arranged in the rotating cavity. A rotating block is rotationally mounted in the rotating cavity; by rotating a hand-rotating button, a rotating column drives a rotating block to rotate, so that a polycarbonate magnetic resistance plate is driven to rotate in a rotating cavity, the polycarbonate magnetic resistance plate and an adsorption magnet are staggered, the polycarbonate magnetic resistance plate does not shield the adsorption magnet, and then the device is close to a position needing to be installed. The device can be attracted and installed on the surface of an iron object with the preset installation position through the attraction magnet, so that the LED line lamp is installed at the needed position, and stable installation can be achieved without any additional fixing tool or complex operation.

This invention relates to the field of fencing technology, specifically disclosing a collision-resistant and buffer-type safety fence, comprising: a fixed pile mechanism, which includes a square hole, a circular hole, a hemispherical groove, a hollow cylindrical tube, and a fixed pile body. Two hollow cylindrical tubes are respectively located on the left and right sides of the top of the fixed pile body. A square hole communicating with the inner cavity of each hollow cylindrical tube is opened in the center of its front side. Circular holes penetrating vertically are opened on both the left and right sides of the bottom of the fixed pile body. Two hemispherical grooves are equidistantly spaced along the circumference at the top of the inner cavity of the fixed pile body. This device is not only easy to install and disassemble, and has excellent buffering performance, but also possesses good environmental adaptability, economy, and reusability. It fundamentally solves the problems of irreversible deformation, difficult maintenance, and inconvenient assembly and disassembly of traditional rigid guardrails, providing an efficient, flexible, and reliable solution for construction safety protection.

This invention relates to the field of concrete construction technology and discloses a formwork support device for concrete pouring construction. It includes two mutually rotatably connected support rods and corner pieces rotatably installed at the ends of the support rods. Both ends of the two support rods are telescopically adjustable. The corner pieces have two rotatably adjustable corner plates that abut against the two sides of the corner of the formwork. A stepped surface is formed on the outer wall of the corner plate, and a support plate abuts between the two opposite stepped surfaces of adjacent corner pieces, with the support plate in close contact with the formwork. This invention can flexibly adapt to various angles of window corners, including acute, right, and obtuse angles. Simultaneously, by utilizing diagonal support to form a closed force transmission path from the center to the four corners, it can further improve the versatility and overall rigidity of the support device, thereby preventing deformation of the window corners.

The utility model provides a filter stick forming machine receiving drum wheel dismounting device which comprises a U-shaped support, and the U-shaped support comprises a support connecting rod at the bottom and clamping jaw parts arranged on the two sides of the support connecting rod. A pair of clamping grooves is formed in the top end of a clamping jaw part of the U-shaped support, the pair of clamping grooves are oppositely provided with bosses used for being connected with a flange seat in a clamping mode, a threaded hole is formed in the bottom of the U-shaped support, a threaded ejector rod is connected to the threaded hole, and a chamfer is arranged at the abutting end of the threaded ejector rod. The dismounting device for the receiving drum wheel of the filter stick forming machine can dismount the receiving drum wheel of the filter stick forming machine without damage, and further has the advantages of being simple in structure and light in self weight.

The invention relates to the technical field of building decorative walls, and particularly discloses a construction method of an assembly type decorative shared wall, which comprises three steps of factory modular prefabrication production, field installation and lossless disassembly and assembly and recombination. A factory adopts a steel plate component assembling mold to form a gel coat outer layer, silica powder cellulose foaming cement is filled and maintained, a cavity, a gel coat surface layer and silica powder cellulose foaming cement are formed through steel plate injection, and finally a finished wallboard with concave-convex structures on the two sides and an inner through oval pipeline is manufactured. Heaven and earth components are positioned and installed on site through infrared rays, the wallboards are assembled in a sliding and meshed mode through a mortise and tenon joint structure, water, electricity and circulating air systems are integrated in internal pipelines, component installation grooves are reserved in the wallboards, and the wallboards can be reused in a lossless mode during disassembly and assembly. The problems that a traditional partition wall is long in construction period, large in waste, high in transformation destructiveness, irreversible, low in integration degree and the like are solved, the technical effects of efficient construction, environment friendliness and flexible layout can be achieved, and the partition wall is suitable for various building decoration indoor partition wall projects.