5results about How to "Improve the pulling effect" patented technology

The utility model discloses an integrated wheel disc free lock. The integrated wheel disc free lock comprises a machine shell and a center shaft arranged in the center of the machine shell. One side of the shell is matched and connected with a wheel disc through a central shaft; a plurality of grooves are formed in one side of the machine shell, a hinge shaft is arranged in one groove, one end of the hinge shaft is connected with a movable block, the other end of the hinge shaft is connected with a locking assembly, and the locking assembly is arranged between the machine shell and the wheel disc. The locking assembly comprises a locking mechanism, one end of the locking mechanism is provided with a hinge column, the hinge column is connected with the hinge shaft, and the other end of the locking mechanism is connected with a guide column; a sliding guide assembly is arranged on one side of the wheel disc and used for controlling the moving track of the guide column. The moving track of the guide column is flexibly controlled through the sliding guide assembly, so that the moving position of the locking assembly is accurately adjusted, the wheel disc is accurately locked, the pipe drawing effect is improved, it is guaranteed that the pipe can be locked after being drawn, the locking effect of the pipe is improved, and the pipe drawing safety is improved.

This utility model relates to a convenient electric motor assembly / disassembly tool, belonging to the field of electric motor assembly technology. The convenient electric motor assembly / disassembly tool includes: a base frame with two guide grooves at its lower end and a connecting frame fixedly connected to its upper end; a pull-out assembly / disassembly mechanism mounted on the surface of the connecting frame, the surface of which extends into the interior of the guide grooves; wherein, the pull-out assembly / disassembly mechanism includes a meshing component mounted inside the connecting frame; the pull-out assembly / disassembly mechanism provides good support for the motor during use, and the lower end of the crossbeam engages with the meshing buckle to properly position the bushing. Driving the meshing component can displace the motor, thereby achieving a good pull-out effect on the bushing during motor movement, ensuring the efficiency of electric motor assembly / disassembly.

The embodiment of the utility model provides an endoscopic treatment instrument and system. The endoscopic treatment tool includes: a tip cap disposed at a tip portion of an endoscope body; the rotating ring is configured to be capable of rotating around the tip cap, and a surgical instrument is attached to the rotating ring; the driving part is configured to control the rotating ring to rotate relative to the tip cap; the surgical instrument is detachably connected with the rotating ring, and when the rotating ring rotates, the surgical instrument can be driven to rotate relative to the tip cap.

The utility model provides a mold convenient to demold, which belongs to the technical field of molds and comprises a fixed mold plate, a movable mold plate and a movable mold plate, the movable mold plate can be close to or far away from the fixed mold plate, the movable mold plate is provided with a second mold core, and a cavity is formed between the first mold core and the second mold core; the pull-out assembly comprises a pull block and a pull rod, the pull block is detachably connected with the fixed mold plate and / or the first mold core, the pull rod is connected with the movable mold plate and / or the second mold core, the pull block is provided with a pull hole, and the pull rod is in interference fit with the pull hole. The mold has the beneficial effects that the pull rod is inserted into the broaching hole and is in interference fit with the broaching hole during mold closing, the pull rod pulls the pull block through the broaching hole during mold opening so as to pull a product from the first mold core to the second mold core, and meanwhile, the pull rod is separated from the broaching hole manually or through other specific structures of the structure, so that the product can be conveniently ejected and taken out subsequently.

The utility model relates to the field of building construction discloses a new type of anti -void pull -pressure support, including upper seat board, lower seat board, L type draw hook and pier top anchoring assembly, the upper seat board top center fixedly connected with the ceiling, both sides of upper seat board all are fixedly connected with the wing plate, the upper surface of upper seat board is equipped with the upper thread hole, the surface of upper thread hole is detachably installed with upper structure board through upper bolt, both sides of wing plate all are equipped with the limit slot, the lower surface of lower seat board is provided with two groups of longitudinal and transverse rib plate. In the utility model, through being provided with longitudinal and transverse rib plate inclined plane structure, effectively solve the grouting air retention problem, ensure that support and foundation are closely connected, improve structural stability, at the same time, the shear structure and the anti -pull structure have strengthened the ability of support resistance shear and tension respectively, make support still can work stably under the complex stress environment, promote building structure overall security.