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119results about How to "Secure connection" patented technology

Double-plastics finned wound corrugated pipe and method for manufacturing same

The invention discloses a double-plastics finned wound corrugated pipe and a method for manufacturing the same. A pipe wall of the double-plastics finned wound corrugated pipe is in the shape of a corrugated pipe which is squeezed and inflated and is integrated by means of spirally winding and hot melting, a bell socket and a spigot socket are respectively formed in two ends of the double-plastics finned wound corrugated pipe, cavities are arranged in corrugations of the pipe wall, strip-shaped plastic reinforcing ribs are arranged in the cavities and are perpendicular to the pipe wall, the outer edge of each plastic reinforcing rib is connected with a crest ring surface of the corresponding cavity by means of hot melting, and the inner edge of each plastic reinforcing rib is annularly connected with the other surface of the corresponding cavity by means of hot melting. The double-plastics finned wound corrugated pipe and the method have the advantages that the double-plastics finned wound corrugated pipe is good in ring stiffness and corrosion resistance and long in service life, and future maintenance investment is nearly zero; the bell socket and the spigot socket are connected with each other by means of electric hot melting, so that a system is good in airtight property, and forming machines implemented in a manufacturing procedure are simple and are low in investment and cost; the double-plastics finned wound corrugated pipe and the method can be widely applied to wall pipes with large and super-large apertures for drain and blowdown structures.
Owner:黄楠伟

45 degree tenon joint board for wood door and window perpendicular connection angle

The invention provides a 45-degree tenon connection board applied to the wooden door and window vertical connecting angle part, consisting of a section sheet corresponding to the 45-degree cross section of the wooden door and window vertical connecting angle part, connecting cylinder, a slot and a positioning heave, wherein, the connecting cylinder which is connected with a reserved cylindrical hole corresponding to the 45-degree cross section of the wooden door and window vertical connecting angle part is fixed on two surfaces of the section sheet vertically and symmetrically; the slot which corresponds to a reserved groove of the 45-degree cross section of the wooden door and window vertical connecting angle part is positioned on the section sheet, a dovetail joint for matching use is inserted into a dovetail groove formed by the reserved groove and the section sheet slot; and the section sheet is provided with the positioning heave for accurately positioning the groove on the 45-degree cross section of the window sash vertical connecting angle part. The 45-degree tenon connection board has the advantages that the connection is firm, so that the connection of door and window angle parts is more convenient; the 45-degree matching and the lateral surface of the wooden door and window 45-degree tenon connection board form decoration lines on the surface of the window and the door, thereby making the appearance of the window and the door more beautiful.
Owner:SHIELD FRAMES TIANJIN

Line repair device

The invention relates to the field of cable maintenance, in particular to a line repair device. The line repair device includes a repair shell; a line connector is arranged in the repair shell; the line connector includes a middle connecting piece and two lock nuts; the two lock nuts are connected to both ends of the middle connecting piece in a threaded manner; each lock nut is provided with a tapered elastic sleeve; the entrance of a wire insertion hole is a corresponding tapered expansion structure; the upper surface of the repair shell is provided with a glue injection hole, and the liquidrepair glue can be injected into the repair shell through the glue injection hole; and the repair glue and repair shell together form a line repair insulation layer after the repair glue solidifies.The beneficial effects of the line repair device are as follows: the wire connection at the cable connection location is firm and reliable, and has a large current flow area; and the repair shell andthe solidified repair glue together form the repair insulation layer at the cable connection location; therefore, the water and moisture resistance is good, the strength is high and not easy to break,the cable can run effectively for a long time after connecting, and the service life of the cable is prolonged.
Owner:GUANGZHOU PANYU CABLE WORKS

Fabricated wall plate connecting piece and installation method thereof

The invention relates to a fabricated wall plate connecting piece and an installation method thereof and belongs to the technical field of building houses. The defects that in existing wall body connecting, connecting pieces are many, construction is complex, and time and labor are wasted are overcome. The fabricated wall plate connecting piece comprises an upper connecting piece body and a lower connecting piece body. The upper connecting piece body comprises connecting pedestals stored between a house major frame and wall plates and wall plate connecting pieces fixedly connected with the connecting pedestals. The lower connecting piece body comprises wall plate hanging pieces for wall plate installation. One sides of the wall plate hanging pieces are fixedly connected with groove-shaped hanging pieces. According to the fabricated wall plate connecting piece, the connecting pedestals are adopted, and two of the wall plates can be simultaneously connected through one corresponding connecting pedestal, so that connecting piece bodies between the wall plates and the house major frame are half reduced; in the on-site construction process, installation is convenient, connecting is firm, disassembling is easy, reusing for multiple times can be achieved, the construction period is shortened, construction quality is improved, and the social resources are saved.
Owner:WANHUA MODULAR PROJECTS

Impeller aerator

The invention relates to an impeller aerator, which comprises a motor, a reduction box, an impeller, a support rod, and a floating body, wherein the motor is vertically arranged on the reduction box; a decelerated output shaft is stretched out downwards; a flange is arranged on an end part of the output shaft and is connected with a fixed seat of the impeller; three basically uniformly distributed joints are arranged on the outer side of the reduction box; the support rod is fixed on the joints; a connecting seat is provided with an inner hole matched with a steel pipe; a locating hole intersected with the inner hole is arranged on a side face of the connecting seat; a hexagonal through hole is arranged on one side of the locating hole; a circular through hole is arranged on the other side of the locating hole; a hexagon head of a hexagon bolt enters into the hexagonal through hole; the connecting seat is fastened with the steel pipe through the hexagon bolt; a fixed ring I is arranged on the other end of the steel pipe; the fixed ring I is fastened with the steel pipe through base plates with two holes and two bolts; at least one base plate with two holes is provided with a fixing ring II; the support rod is fixed on the joints through the flange of the connecting seat; the floating body is fixed in the fixed ring I; a rope for fixing the aerator is fixed in the fixing ring II and is hung on a metal fixing ring; and the plastic fixing ring I and the floating body are not stressed, so that the connection is reliable and firm.
Owner:吴为国

Surface mounted electrical component

An electrical component having an insulating housing with the housing having a bottom mounting surface and at least one anchor element receiving aperture extending up into the housing from the bottom surface of the housing. An anchor element, having a bottom end, is shaped and sized to be inserted into the aperture from the bottom of the housing, the element frictionally held by the housing in the aperture with the element projecting slightly from the aperture to have its bottom end spaced slightly from the bottom surface of the housing.
A method of assembling the electrical component having a housing with a bottom surface and an aperture for receiving an anchor element extending up into the housing from the bottom surface. The anchor element has at least a portion that is sized and shaped to frictionally engage the housing while in the aperture. The method comprises the step of inserting the anchor element into the aperture in the housing from the bottom surface of the housing and pressing the element into the aperture to frictionally engage the housing, the element pressed into the aperture until it projects only slightly from the housing below the bottom surface of the housing.
An anchor element for use in the above electrical component having a cylindrical shape with the upper portion of the element stepped down slightly in diameter from the bottom portion, the upper portion sized to snugly enter an aperture in a housing of an electrical connector, the bottom portion sized to frictionally engage the wall of the housing defining the aperture.
Owner:WECO ELECTRICAL CONNECTORS
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