6results about How to "Prevent loose deformation" patented technology

The application discloses a machine head for manufacturing soft polytetrafluoroethylene insulated wire and a processing method thereof. The machine head comprises a connecting head in the machine head, a die core is arranged at the top of the connecting head through a die core base, a die sleeve is arranged outside the die core, a center tube is arranged at the bottom center of the connecting head, the machine head comprises two conical bodies with different angles, a bottom conical angle and a top conical angle, the angle of the top conical angle is smaller than that of the bottom conical angle, the wire bearing section of the machine head is horizontal to the die core base, the connecting head comprises two trapezoidal cones with different angles, a bottom conical angle and a top conical angle, the bottom conical angle is the same as the bottom conical angle, and the top conical angle is smaller than the top conical angle, a conductor anti-shaking device is arranged at the bottom of the center tube, the conductor anti-shaking device comprises arc-shaped groove wheels and springs, and the arc-shaped groove wheels are connected through a center rod. The steps are as follows: filling; center tube and die core related component installation; machine head and die sleeve installation; and pushing and extruding. The application can make the insulation layer outside the conductor more compact, and avoid the bending phenomenon of the conductor during processing.

This application discloses an LED display screen, relating to the field of LED display screen technology. The LED display screen includes a cabinet, LED display units, and an arc adjustment mechanism. The cabinet includes a first frame, a second frame, a first hinge structure, and a second hinge structure. The first hinge structure is rotatably connected between the first and second frames at their first ends, and the second hinge structure is rotatably connected between the second ends of the first and second frames. The LED display units are connected to the first and second hinge structures. The arc adjustment mechanism is located between the first and second frames and is used to adjust and fix the arc of the LED display units. This LED display screen solves the problem that current LED displays cannot achieve flexible angle adjustment while ensuring connection strength and angle consistency.

The utility model discloses a novel bend -resistant polyester type halogen -free environmental protection explosion -proof shielding control cable, including cable installation layer, the outside installation of cable installation layer has cable protection composite layer, the cable protection composite layer includes elastomer sheath, the inside installation of elastomer sheath has multipoint position bending monitoring subassembly, and the multipoint position bending monitoring subassembly is by elastic electricity -making band and a plurality of bending monitoring units, and the elastic electricity -making band includes elastic protection zone, and the inboard of elastic protection zone is installed with a plurality of electricity -making silk, and the bending monitoring unit includes installation box, and the inboard fixed mounting of installation box has electricity -making seat, and the upper end surface fixed mounting of electricity -making seat has pressure -sensitive resistance, and the upper end surface installation of pressure -sensitive resistance has the elastic support plate. The utility model discloses through to the cable and carries out the layering cladding, can effectively improve the bending -resistant and stability of cable, can determine the bending position and bending degree simultaneously.

The utility model provides a kind of communication facilities guy wire protection device, including steel wire rope, the both ends of steel wire rope are bent and form the rope loop part, two rope pressing sleeves are respectively set in the both ends of steel wire rope for making rope loop part keep annular state unchanged, warning pipe is arranged between two rope loop parts, strip plate is arranged along the length direction of warning pipe, two first clamping blocks are respectively set on two rope pressing sleeves, two second clamping blocks are respectively set on two rope pressing sleeves, second clamping block is connected with corresponding first clamping block by two groups of connecting pieces, the both ends of strip plate are respectively inserted in two matched plug-in slots, the utility model has the beneficial effects as follows: improve guy wire construction efficiency.

The utility model relates to the technical field of laying of metal conduits, and discloses a flexible traction device for laying of metal conduits, which comprises a support, a hollow column is fixedly mounted on the upper surface of the support, and a laying auxiliary mechanism is arranged on the hollow column. The laying auxiliary mechanism comprises a metal pipe storage disc, a stand column, a fixing plate, a first lead screw, a first bevel gear, a second bevel gear, a fixing roller, a rotary knob, an extension plate, a first limiting wheel, a second limiting wheel, a motor, a second lead screw, a moving ring, a supporting rod, a clamping plate, a first sliding groove, a second sliding groove, a spring and a T-shaped clamping plate. The motor drives the second lead screw to rotate to drive the moving ring, the supporting rod and the clamping plate to cooperatively operate, so that the clamping plate is tightly attached to the inner surface of the metal guide pipe and is matched with the spring and the T-shaped clamping plate to conduct downward clamping, a multi-dimensional fixing mechanism is formed, the metal guide pipe is effectively prevented from loosening and deforming in the unwinding and laying process, and the continuity and stability of laying operation are ensured.

The utility model relates to GX53 lamp holder technical field discloses a kind of flat symmetrical buckle type GX53 lamp holder structure, including two first assembling shell and second assembling shell, a first assembling shell and a second assembling shell are a group, and are assembled by clamping;Wherein, annular assembling groove is set on one first assembling shell, and the other first assembling shell is protruded with the annular assembling block matched with the shape of assembling groove;When two first assembling shells are pasted, the cooperation surface of assembling block and assembling groove exists predetermined radial interference amount, forms self-locking type tight fit;Through the interference fit design of annular assembling groove and annular assembling block, self-locking type tight fit is formed, the axial symmetry positioning of two first assembling shells is realized;The overall rigidity of pre-tightening force enhancement structure generated by interference fit avoids loosening deformation due to external force impact or long-term use, to improve the stability and service life of lamp holder structure.