33results about How to "Easy interference fit" patented technology

In accordance with an exemplary embodiment of the invention, a shaft coupling is provided. The shaft coupling comprises a first shaft having a splined outer surface, a tubular second shaft having an end surface and a splined inner surface, the second shaft receiving the first shaft along a longitudinal axis of the second shaft, and at least one stake extending axially into the second shaft end surface. The at least one stake deforms at least a portion of the splined inner surface to facilitate an interference fit between the first and second shafts and configured to resist a predetermined axial separation load being applied to the first and second shafts.

The invention discloses a high-power brushless electronic water pump. The high-power brushless electronic water pump comprises a shell, an isolation sleeve and an upper cover; a mounting cavity is formed between the isolation sleeve and the shell, a fluid cavity is formed between the isolation sleeve and the upper cover, a stator assembly and a PCB are fixed in the mounting cavity, and a rotor assembly is rotationally arranged in the fluid cavity; the rotor assembly comprises an impeller and a rotor shaft sleeve, the impeller is fixed to the upper end part of the rotor shaft sleeve, and an upper wear-resisting lubricating insert and a lower wear-resisting lubricating insert are concentrically embedded into the upper end and the lower end of the rotor shaft sleeve respectively; a rotor ironcore is fixed to the periphery of the rotor shaft sleeve, sintered Ru-Fe-B magnetic steel is evenly distributed on the circumference of the circle center of the rotor iron core, and a rotor sleeve shell is fixed outside the rotor shaft sleeve; the isolation sleeve is provided with a positioning center shaft, and the positioning center shaft is inserted into a center hole; and the shell is provided with a heat dissipation device connected with the PCB in a heat conduction mode, and the shell is provided with a patch plug connected with an external wire. The brushless electronic water pump canimprove the magnetism of a rotor, and therefore the power of the brushless electronic water pump is improved.

A clamp / plug connector for through-wall connection includes a clamp housing of an insulating material. A locking element is provided for attaching the clamp housing to a wall. A pivotable actuation wedge is connected as a single piece to the locking element.

A differential housing includes a body including an outer surface. The body has a first end, a second end, and an intermediate portion extending therebetween. A ring gear support member extends outwardly of the body at the second end. A ring gear support surface forms a first section of the intermediate portion. The ring gear support surface defines a first outer diameter of the intermediate portion. A ring gear is mounted to the outer surface of the body. The ring gear includes an inner annular surface having a first region defining a first inner diameter and a second region defining a second inner diameter. The first region includes a sawtooth profile to establish a desired alignment of the ring gear and the body and the second region facilitating an interference fit with the ring gear support surface.

The invention primarily relates to fastening and stabilizing tissues, implants, and / or bondable materials, such as the fastening of a tissue and / or implant to a bondable material, the fastening of an implant to tissue, and / or the fastening of an implant to another implant. This may involve using an energy source to bond and / or mechanically to stabilize a tissue, an implant, a bondable material, and / or other biocompatible material. The invention may also relate to the use of an energy source to remove and / or install an implant and / or bondable material or to facilitate solidification and / or polymerization of bondable material.

A differential housing includes a body including an outer surface. The body has a first end, a second end, and an intermediate portion extending therebetween. A ring gear support member extends outwardly of the body at the second end. A ring gear support surface forms a first section of the intermediate portion. The ring gear support surface defines a first outer diameter of the intermediate portion. A ring gear is mounted to the outer surface of the body. The ring gear includes an inner annular surface having a first region defining a first inner diameter and a second region defining a second inner diameter. The first region includes a sawtooth profile to establish a desired alignment of the ring gear and the body and the second region facilitating an interference fit with the ring gear support surface.

This invention discloses a suction mouth of a plate overlayer including a shading base a suction mouth head characterizing that the suction mouth head is formed by compounding the upper part metal matrix and the lower part suction mouth opening, the said shading base is compounded by the upper metal matrix and the lower shading layer. Both the surface and the matrix of the said suction mouth opening and the shading layer are made of dark nonmetal material which strength, hardness and rigid of unit weight is close to or over the related numbers of Cu, Al, or their ordinary alloys. The said nonmetal material is an organic polymer evenly filled with dark colors having fine mechanical strength and pigment dispersivity.

Methods, tools, and systems are described to allow cost effective field / on-site installation of connectors to flexible tubes / hoses for the transfer of various higher-pressure mediums. An economical means for preparing the tube / hose to receive a fitting stem with an optional retention ring allows installers to prepare assemblies in the field / on-site and provides a method for securely attaching the fitting to the tube / hose to withstand higher working pressures without using elastomeric rings or adhesives. Tooling described is portable and capable of use in confined areas. Additionally a method for increasing the number of sealing positions contained in the fitting dramatically reduces the number of installation leaks and allows for higher operating pressures.

The invention discloses an embedded part for a refrigerator, which comprises a body and grooves. A mounting space with an open rear side is defined in the body, a through hole is formed on the front wall of the body, the grooves are disposed on side walls of the body, and a first flange is formed at the edge of one side, which faces to the inner side of the body, of each groove. The embedded part in an embodiment of the invention is fixed firmly. In addition, punched holes on the refrigerator are omitted, cost is saved, the through hole brings convenience for fixing a screw, and the embedded part is simple in structure, convenient in installation and high in assembly efficiency. The invention further discloses the refrigerator comprising the embedded part.

Methods, tools, and systems are described to allow cost effective field / on-site installation of connectors to flexible tubes / hoses for the transfer of various higher-pressure mediums. An economical means for preparing the tube / hose to receive a fitting stem with an optional retention ring allows installers to prepare assemblies in the field / on-site and provides a method for securely attaching the fitting to the tube / hose to withstand higher working pressures without using elastomeric rings or adhesives. Tooling described is portable and capable of use in confined areas. Additionally a method for increasing the number of sealing positions contained in the fitting dramatically reduces the number of installation leaks and allows for higher operating pressures.

The invention relates to an assembling device of mechanical parts and in particular relates to an automated mechanical device with matched shaft and sleeve. The automated mechanical device is composed of a pneumatic device, a pressure block, a rotating shaft, a sliding groove, a connecting rod, a cam, a cam shaft, a grooved wheel mechanism, a main shaft, a spring clamping jaw, a material pushing plate and the like; the grooved wheel mechanism is arranged on the main shaft and the cam shaft, the grooved wheel mechanism is connected with the main shaft by a general flat key, an indexing turn plate is arranged on the main shaft, the spring clamping jaw is arranged right above the indexing turn plate, the spring clamping jaw is arranged at the tail end of the sliding groove and is positioned right below the pressure block, a stepped shaft is arranged in the sliding groove, the pneumatic device and the pressure block are arranged above the sliding groove, and the sliding groove is arranged obliquely. According to the automated mechanical device, the manual labor intensity for assembling the shaft and the sleeve can be alleviated greatly, the working time is saved, and meanwhile, the labor productivity can be improved greatly. The s automated mechanical device has the advantages of exquisite structure, high automation degree, accurate transferring position, consistent pressure and high assembling precision, and the parts requiring interference fit can be assembled rapidly.

The invention discloses an automatic embedding device for a septum plug of a liquid collecting pipe of a condenser, which comprises a workbench, a rotating pipe rack, a septum embedding mechanism and a plug embedding mechanism fixed on the rotating pipe rack, and a rotating pipe rack It consists of a turntable, an installation platform fixed on the top of the turntable, and two limit and heating mechanisms fixed on the installation platform. There is also a rotating tube mechanism in the middle of the installation platform, and both the spacer insertion mechanism and the plug insertion mechanism include a top block. 1. A top block driving mechanism and a material guide frame. The limit and heating mechanism includes a fixed seat and two retractable limit blocks. The fixed seat and the limit block have corresponding limit grooves, and the liquid collecting pipe has an outer The limit ring and the inner limit ring, the middle part of the spacer has an arc-shaped concave transition part, and the spacer is interference-fitted on the inner limit ring of the liquid collection pipe. The structure of the invention is reasonable, the processing efficiency is high, and the processed The spacer of the liquid collecting pipe is connected reliably with the liquid collecting pipe, and the connection is not easy to produce leakage.

The invention relates to a device comprising an electromagnet (1) and a control unit (2) actuated by said magnet, which control unit can be for example a valve or a clutch, wherein the specified components are connected to each other by means of threads (4) and (5), having a protection of functional spaces of the components or of elastomer seals from damage and functional impairment by particles from the threads. The thread on the electromagnet side (4) and the thread on the control unit side (5) are axially in the two directions adjacent to chambers (6) and (7) which are closed by overlapping cylinder surfaces (11) and (12)on the one side and by further overlapping cylinder surfaces (13) and (14) on the other side on in each case the side facing away from the threads. The invention relates to control units actuated by an electromagnet.

A valve for an aerosol canister for containing medicaments is disclosed. The valve comprises a valve assembly, a ferrule for holding the valve assembly and a gasket for insertion into the ferrule. The ferrule has at least one ferrule interference surface and the gasket has at least one gasket interference surface, and the contact zone between the ferrule interference surface and the gasket interference surface comprises a plurality of relief portions. Preferably, the ferrule interference surface comprises a plurality of ferrule relief pockets and the gasket interference surface comprises a plurality of gasket relief pockets. Also disclosed is a method of manufacturing a valve for an aerosol canister.

The invention primarily relates to fastening and stabilizing tissues, implants, and / or bondable materials, such as the fastening of a tissue and / or implant to a bondable material, the fastening of an implant to tissue, and / or the fastening of an implant to another implant. This may involve using an energy source to bond and / or mechanically to stabilize a tissue, an implant, a bondable material, and / or other biocompatible material. The invention may also relate to the use of an energy source to remove and / or install an implant and / or bondable material or to facilitate solidification and / or polymerization of bondable material.

The invention relates to a device consisting of an electromagnet (1) and an adjusting mechanism (2) operated by said electromagnet, which can be, for example, a valve or a clutch, wherein said part is passed through a thread ( 4) and (5) are connected to each other with a guard for preventing the functional space or the elastic seal of said part from being damaged by particles from the threads or affecting the function. Solution: The thread (4) on the electromagnet side and the thread (5) on the adjustment mechanism side are axially adjacent in both directions of the cavities (6) and (7) which on the one hand pass through overlapping cylindrical surfaces (11) and (12) and on the other hand are each closed on the side facing away from the thread by a further pair of overlapping cylindrical surfaces (13) and (14). Application: Adjustment mechanisms operated by electromagnets.