39 results about "J-segment" patented technology

A heat sink assembly includes a base block having a straight mounting groove on the middle and two U-shaped mounting grooves at two opposite lateral sides, cooling fins installed in the top wall of the base block, each cooling fin having multiple tight-fit mounting holes, a U-shaped heat pipe having a lower segment peripherally press-fitted into the straight mounting groove in flush with the bottom wall of the base block and an upper segment tightly inserted into one respective tight-fit mounting hole of each cooling fin, and two symmetrical, curved heat pipes with respective U-shaped lower segments thereof respectively and peripherally press-fitted into the U-shaped mounting grooves in flush with the bottom wall of the base block and respective upper segments thereof tightly inserted into respective tight-fit mounting holes of each cooling fin. Thus, heat can be drawn upwards from a heat source and evenly distributed through the cooling fins.

A spray head for a powdered power washer designed to produce a wide diameter spray of water under both high and low water pressure conditions. The washer head includes a spinner tube mounted inside a cylindrical-shaped nozzle body. The upper segment of the spinner tube is held inside the nozzle body by a fixed cassette assembly. A middle and lower segments of the spinner tube extend below and are bent outward and axially offset from the upper segment and from each other. Mounted inside and over the upper end opening of the nozzle tube is an adapter with a threaded cavity formed on one end. The adapter includes a water orifice that delivers water from the handle or wand to the spinner tube. A flat washer with a narrow water orifice is used to deliver a narrow, high velocity stream of water to the spinner tube.

The present invention relates to a multi-segment collapsible tower which is used for supporting a wind turbine, a windmill, a power generator, a communication device, a lighting device and a measuring device. The collapsible tower comprises an upper tower segment and a lower tower segment which are pivotably connected with an upper hinge, a lever and a lower hinge. The lower hinge attaches the lower tower segment to an anchor foundation at a state the concrete is not required, wherein, devices which are equipped to the top part of the tower can be approached through lowering one part of the tower. Two tower segments and the lever are assembled on the ground through connecting the upper segment with the lower segment by means of hinges, and furthermore the lower tower segment is hinged with the foundation of the tower. The hinged tower segment is raised through pulling the top of the tower to the foundation of the tower for vertically lifting and inclining the tower segment. The upper segment is shorter than the lower segment. Furthermore a removable mounting extension part which is attached with the top of the tower can lift the lower segment to a vertical position.

A rolling chip conveyor contains a body including a lower segment, a tilted segment, and an upper segment, two ends of the tilted segment connecting with the lower segment and the upper segment respectively, the upper segment including a first outlet to eliminate rough chips outside, a second outlet to eliminate fine chips, and a driving device, the second outlet being fixed on the body and facing downward, the first outlet being disposed on one side of the upper segment; a tracking belt arranged in the body to correspond to the lower segment, the tilted segment, and the upper segment, engaging with and being actuated by the driving device, the tracking belt including al least one hole; a scraper disposed proximate to the second outlet and contacting with the tracking belt; a first filter corresponding to the first outlet and beings fixed around an inner side of the tracking belt.

The invention relates to a street lamp for road lighting, specifically an LED street lamp lamp head; it includes a lampshade, an LED lamp bead set, and a heat sink. The back of the heat sink is provided with fins, and the bottom of the heat sink is provided with an accommodating and fitting device. The groove of the LED lamp bead set, the lampshade is sealingly connected to the edge of the groove; an air inlet is provided at the center of the fin, and the lower part of the side wall of the air inlet is composed of upper and lower sections that are rotationally connected; The lampshade is a flat lampshade, and a bendable brush is provided on its surface. One end of the brush is hinged on the edge of the groove of the heat sink, and a torsion spring is installed on the rotating shaft. There is an opening under the brush. The strip groove on the heat sink is equipped with a telescopic tube filled with alcohol inside. One end of the telescopic tube is fixed on the bar groove, and the other end drives the brush to rotate. The LED street lamp head using this technical solution can Automatically cleans dust and reduces its own weight.

The invention relates to a safety reduction gear for an auto-concealed window screen, adding a reduction gear onto the existing auto concealed window screen, where the plastic stopper arranged at the upper end of a screen scroll bar round pipe is a rectangular plate, a lower panel is provided with a segment of round pipe-shaped fixed seat, in which a micro metal one-way bearing is closely arranged in the fixed seat, a round metal bar is closely arranged in inner round hole of the bearing, the middle of lower segment of the round metal bar is provided with a gear-like turnplate, and the lower segment of the round metal bar is inserted in the inner round hole of a round bar sleeve, the upper end of the round bar sleeve is fixed with a sleeve flange disc, and the round bar sleeve is closely arranged in the screen scroll bar round pipe. And it is simple and reasonable in structure, and able to improve practicality and safety of the auto concealed window screen.

The invention relates to a theodolite, in particular to a level adjustable theodolite. The level adjustable theodolite comprises a base and an alidade vertically arranged on the base, wherein the alidade comprises a telescope. The level adjustable theodolite is characterized in that the base is provided with three supporting legs in triangular distribution, each supporting leg comprises an upper segment and a lower segment, the upper end of each upper segment is connected with the base together, a slide opening is formed in the lower end of each upper segment, each side opening is communicated with an oil sac by virtue of an oil tube, a valve is arranged on the oil tube, and the upper end of each lower segment is hermetically and slidably connected in the corresponding slide opening. The invention aims at providing a level adjustable theodolite with the base capable of adjusting the level, and the problem that the base of an existing theodolite can not adjust the level is solved.

Transport chain for transporting objects along a transport path in a transport direction, which transport chain comprises a plurality chain links that is interconnected by means of a joint segment between each chain link, which joint segment comprises a bearing element. Each chain link in the part that is located at the front in the transport direction comprises a cavity that is arranged to receive said bearing element. Said bearing element is substantially spherical and comprises a plurality of through holes. The joint segment also comprises a plurality of pins that is arranged in said through holes and in openings in the chain link and in openings in the following chain link.

A railway car includes a passenger compartment having, in a central segment of the compartment, a lower floor and an upper floor superposed with each other, respectively defining a lower story and an upper story, and, in end segments of the compartment, two platforms each connected to the lower floor through a descending passage and to an upper floor through an ascending passage. At least one platform is equipped with at least one row of longitudinal seats leaning against a side face of the railway car.

A muffler assembly for a pneumatic power tool includes a tube member defining an interior volume. The tube member includes an upper segment and a lower segment. The upper segment defines a first diameter and includes a closed upper end to inhibit fluid communication with the interior volume therethrough, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough. The lower segment defines a second diameter greater than the first diameter and includes an upper end in fluid communication with the lower end of the upper segment, a lower end, a first portion defining a plurality of vents to enable fluid communication with the interior volume therethrough, and a second portion defining a continuous surface to inhibit fluid communication with the interior volume therethrough.

Provided is an oil ring. A shape of an outer peripheral surface of an upper segment arranged on an engine combustion chamber side has a symmetrical curved shape. A shape of an outer peripheral surface of a lower segment arranged on a side away from the engine combustion chamber is a symmetrical curved shape.

The invention belongs to the technical field of bridge engineering, and discloses a double-wet-joint segment prefabricated bridge assembling linear adjusting device which is used for linear adjustmentof assembling between a prefabricated segment beam to be assembled and a pier top segment beam. Pier top section beams at two ends of the prefabricated section beam to be assembled are a first pier top section beam and a second pier top section beam respectively. The device comprises a plurality of telescopic actuating devices arranged at a joint portion between the prefabricated segment beam tobe assembled and the first pier top section beam a power system electrically connected with each telescopic actuating device, and a data analysis system which is in a signal connection with the powersystem and a measurement system which is in the signal connection with the data analysis system, wherein the telescopic actuating devices are respectively arranged at a roof plate position of the piertop section beam and an intersection position between a bottom plate and a web, and a telescopic end of the telescopic actuating device is connected with the prefabricated section beam to be assembled and can drive the prefabricated section beam to be assembled to move. And the telescopic end of the telescopic actuating device drives the prefabricated section beam to be assembled to be connectedwith the pier top section beam in the XY plane and the XZ plane.

The invention provides a drilling tool penetrating hole puncher, and belongs to the technical field of hole punching instruments. The hole puncher structurally comprises a base and a supporting column, the base is horizontally arranged, the supporting column is perpendicular to the base and is fixedly connected to the center of the base, the lower segment of the supporting column is a solid cylinder segment with the round cross section, the solid cylinder segment of the supporting column is in penetrating connection with a lower position bearing disc, an action disc is arranged above the lowerposition bearing disc, a supporting force spring is arranged between the action disc and the lower position bearing disc, a drilling tool is arranged in a drilling tool configuration hole, a solid square column segment is in penetrating connection to a sliding hole in a motor base, a motor is arranged on the left side of the motor base, the motor is connected with a battery, an output shaft of the motor is coaxially and fixedly connected with a power output head, and the bottom end of the power output head is provided with a power key matched with a power access key groove of a drilling toolpower joint. The switchable action disc is used, the lower position bearing disc matched with the action disc is used, a part to be perforated is punched, according to the punching specification, thespecification of the drilling tool can be switched, and rapid switching is facilitated.

The invention relates to a bionic cable. The bionic cable comprises an oil tube, a conductive wire layer, a shielding layer, an insulating layer and a shell which are arranged from inside to outside. The oil tube is communicated with a supplementing oil tank. The oil tube and the supplementing oil tank are internally filled with insulating oil. The oil tube is made of insulating material. The tube wall of the oil tube is provided with flow guide holes. Separators are equidistantly installed in the axial direction in the oil tube. The oil tube is separated into oil segments of equal length by all the separators. Each separator comprises a pair of elastic sheets which are laminated in parallel and perpendicular to the axis of the oil tube. The fixing ends of the elastic sheets are installed on the tube wall of the oil tube, and the flexible ends of the elastic sheets are provided with flow-limiting holes. The flow-limiting hole of one elastic sheet of the same pair of elastic sheets is shielded by the adjacent elastic sheet under the natural state. According to the bionic cable, the restriction of height difference can be eliminated, range of application of an oil-filled cable can be expanded, and installation complexity of the cable can also be simplified.

A package structure includes a lead frame, a selective-electroplating epoxy compound, conductive vias and a patterned circuit layer. The lead frame includes a metal stud array having metal studs. The selective-electroplating epoxy compound covers the metal stud array. The selective-electroplating epoxy compound includes non-conductive metal complex. The conductive vias are directly embedded in the selective electroplating epoxy compound to be respectively connected to the metal studs and extended to a top surface of the selective-electroplating epoxy compound. Each of the conductive vias includes a lower segment connected to the corresponding metal stud and an upper segment connected to the lower segment and extended to the top surface, and a smallest diameter of the upper segment is greater than a largest diameter of the lower segment. The patterned circuit layer is directly disposed on the top surface and electrically connected to the conductive vias.

A heat sink assembly includes a base block having a straight mounting groove on the middle and two U-shaped mounting grooves at two opposite lateral sides, cooling fins installed in the top wall of the base block, each cooling fin having multiple tight-fit mounting holes, a U-shaped heat pipe having a lower segment peripherally press-fitted into the straight mounting groove in flush with the bottom wall of the base block and an upper segment tightly inserted into one respective tight-fit mounting hole of each cooling fin, and two symmetrical, curved heat pipes with respective U-shaped lower segments thereof respectively and peripherally press-fitted into the U-shaped mounting grooves in flush with the bottom wall of the base block and respective upper segments thereof tightly inserted into respective tight-fit mounting holes of each cooling fin. Thus, heat can be drawn upwards from a heat source and evenly distributed through the cooling fins.

The invention discloses a powder shaft sleeve chuck. The powder shaft sleeve chuck is characterized by comprising an elastic wire left half portion and an elastic wire right half portion which are folded to be in left-and-right symmetry; the upper segment of the elastic wire left half portion and the upper segment of the elastic wire right half portion are straight segments which are in abut joint, the middle segments are gradually bent outwards, the lower segments are gradually and inwards retracted, arches are formed at the connecting positions of the lower segments and the middle segments, the upper segment of the chuck is a threaded connection head connected with a handle threaded connector, the lower segment of the chuck is a cone body with the small upper and the large lower, the cone body is formed in a manner that the connecting position of the threaded connection head extends downwards, a left and right opening which penetrates left and right is formed in the cone body and divides the cone body into paws in front-and-back symmetry, vertical limiting grooves which are in left-and-right centering and are in front-and-back symmetry are formed in the opposite faces of the paws, the upper segments of the elastic wire left half portion and the elastic wire right half portion can be inserted into the position between two vertical limiting grooves in a matched manner, a casing pipe is arranged on the outer side of the cone body, and a cone face abutting against the outer face of the cone body is arranged at the lower end of the casing pipe. Detaching is free, direct contact by the hand is avoided, the shaft sleeve is not likely to make contact with impurities, and the chuck is portable and reliable.

A package structure includes a lead frame, a selective-electroplating epoxy compound, conductive vias and a patterned circuit layer. The lead frame includes a metal stud array having metal studs. The selective-electroplating epoxy compound covers the metal stud array. The selective-electroplating epoxy compound includes non-conductive metal complex. The conductive vias are directly embedded in the selective electroplating epoxy compound to be respectively connected to the metal studs and extended to a top surface of the selective-electroplating epoxy compound. Each of the conductive vias includes a lower segment connected to the corresponding metal stud and an upper segment connected to the lower segment and extended to the top surface, and a smallest diameter of the upper segment is greater than a largest diameter of the lower segment. The patterned circuit layer is directly disposed on the top surface and electrically connected to the conductive vias. The technical scheme can simplify the processing technology, narrow the overall thickness and improve the circuit design elasticity.