4results about How to "Fix tight" patented technology

The utility model discloses a kind of semitrailer tarpaulin devices, comprising: semitrailer floor, the top of the semitrailer floor is fixedly connected with vertical plate, the top of the vertical plate is fixedly connected with top plate, the top of the semitrailer floor is fixedly connected with the side of head baffle;Top shielding component, the top of the head baffle is fixedly connected with the side of top shielding component, side shielding component, the side of the vertical plate is fixedly connected with the side of side shielding component, the tail shielding component is used to adopt tarpaulin shielding to the tail of semitrailer, the utility model relates to tarpaulin device technical field.The semitrailer tarpaulin device, by the setting of top shielding component, by driving motor directly driving threaded block drives the rotation axis of far end to move outward, first tarpaulin is spread over the top of entire semitrailer, and first tarpaulin is carried by multiple rotation axes, can evenly share tarpaulin quality, avoid causing equipment overload in moving process.

The invention discloses a toilet stool and a sealing disc, and belongs to the field of sanitary ware. The sealing disc comprises a sealing piece and a sealing disc base, the sealing piece comprises a disc-shaped structure and a cylindrical structure, a circle of sealing lip is arranged on the periphery of the front end face of the sealing piece, the sealing piece comprises a circle or a group of fixing layers, a circle or a group of mounting grooves are formed between the fixing layers and the back face of the front end face of the sealing piece, and the lower bottom of the sealing disc base enters the mounting grooves to be combined into the sealing disc. The fixing layer and the sealing disc base comprise corresponding fixing holes, the fixing layer and the sealing disc base are fixed, the center of the lower bottom of the sealing disc base comprises a round hole, the back of the sealing piece comprises a set of protrusions, the back face of the front end face of the sealing piece of the sealing disc comprises a tearing line, and the sealing piece fixing layer of the sealing disc comprises a circle of cylindrical sleeve.

The utility model belongs to the field of electric discharge machines, particularly relates to an electric discharge machine head clamping tool, and provides the following scheme aiming at the problem that the existing copper material is inconvenient to fix and take down: the electric discharge machine head clamping tool comprises an electric discharge machine head clamping ring; the clamping cylinder is in bolted connection with the bottom of the electric discharge machine head clamping ring; the inner cylinder is in bolted connection with the interior of the clamping cylinder; the movable ring is rotationally connected to the surface of the clamping cylinder in a sleeving manner; the number of the clamping assemblies is four, each clamping assembly comprises a small gear, a lead screw, a threaded cylinder, clamping plates and a stabilizing rod, the movable ring is meshed with the small gear, the axis of the small gear is in key connection with one end of the lead screw, the other end of the lead screw is in threaded connection with the interior of the threaded cylinder, and the four clamping plates are driven to move through the movable ring. The copper material in the inner barrel can be clamped and fixed, installation of the copper material is completed, and when the copper material needs to be taken down, the movable ring is rotated reversely, so that the four clamping plates can loosen the clamping state.

The utility model belongs to the field of outer wall anti -infiltration, especially is outer wall heat preservation anti -infiltration structure, aiming at the existing because only rely on the heat preservation board to block heat preservation, not only the reliability is poor, and under the long time use, the whole structure solidity will greatly drop, and then reduce the firmness of heat preservation, and the waterproof plate's partition waterproof, not only is unfavorable to waterproof board installation fixed, and when meeting different positions and corners, can not be tightly installed, therefore will be in special scene, not reach the waterproof purpose problem, present and propose following scheme, including base wall, the one side of base wall is provided with heat preservation board, the side surface of base wall close to heat preservation board is provided with first waterproof layer. The utility model is in use, can make heat preservation system when facing temperature change, wind power and so on external factor more stable, also further enhanced the excellent waterproof performance and weather resistance of wall, is favorable to the dead angle of reaching waterproof purpose.