4 results about "Spiral joint" patented technology

The utility model provides a kind of broadcast television signal transmission cable connecting structure of quick assembly disassembly, it is related to broadcast television signal accessory technical field, and it includes: joint main part, the joint main part center longitudinal through opening has wire head perforation, the bottom center of joint main part is equipped with cable socket, wire head perforation is coaxial with cable socket, the lower end of joint main part is fixedly connected with the spiral joint sleeve of aluminium alloy material, the spiral joint sleeve side wall is equipped with two joint sleeve adjusting notches, joint sleeve adjusting notch is fixedly connected with elastic lock plate inside, the spiral joint sleeve is installed with the tightening screw sleeve outside, the cable joint of the utility model is more easily installed in cable end, it is quick to operate, and installation difficulty is low, without professional personnel can be operated and installed oneself, solve the need to be assisted by tool and be fixedly locked in cable end joint with cable end metal wire, operation process is not enough convenient, the connection efficiency of cable joint is low, and the problem that professional personnel hand-held tool is operated.

The utility model relates to the technical field of bellows joint, especially spiral joint for polyethylene single wall spiral bellows, including two respectively fixed mounting in the joint of bellows both ends, wherein one of the joint surface fixed mounting has first hollow pole, another the joint surface fixed mounting has second hollow pole, wherein one of the joint surface is circularly fixed mounting and has a plurality of round rods, another the joint surface is opened and has annular groove for a plurality of round rods insertion, the annular groove groove wall is circularly opened and has a plurality of through -holes, the through -hole in slide insertion has inserted rod, and one end fixed mounting has clamping plate in the inserted rod in annular groove, the round rod surface is opened and has bayonet for clamping plate card into. The joint realizes preliminary fixation through the thread cooperation of first hollow pole and second hollow pole, and at the same time utilizes a plurality of round rods to insert annular groove, and cooperates clamping plate to form secondary locking to avoid the problem that threaded connection is easy to loosen.

The utility model discloses a kind of quick-change mould of sealing mechanism magnetic attraction positioning structure, it is related to mould technical field.The utility model includes fixed seat and punch die;Positioning structure, including the installation groove being opened in the inside of the front end of punch die, the adjusting plate being slidably inserted in the inside of installation groove, the top groove being opened in the inside of adjusting plate upper end, the magnetic block one and magnetic block two being fixed in the inside of top groove, the rotating seat being embedded and installed in the inside of fixed seat lower end, the ring seat being rotatably installed in the inside of rotating seat, the butt joint column being located in ring seat lower end, the butt joint groove being opened in the inside of punch die upper end, the spiral groove being opened in butt joint groove inner wall, the spiral pin being located in butt joint column outer wall, the magnetic block three being fixed in butt joint column lower end, spring one being connected with adjusting plate and installation groove.The utility model is positioned by setting structure, and when punch die is disassembled, it is slowly separated by the spiral joint of spiral pin and spiral groove, to solve the problem that punch die directly separates fixed seat when disassembling, and it is easy to cause punch die to hit assembly personnel.