292results about How to "Easy to manufacture and assemble" patented technology

A retracting tether apparatus is disclosed comprising a retractor housing having a locking post on its outside surface. The apparatus also includes an attachment mechanism, such as a belt clip, for attaching to a body and a retaining section, the attachment mechanism being integral to the retaining section. The retaining section has a retaining section hole sized to mate with the locking post and the locking post has a mechanism for holding the post in the retaining section hole. The inside surface of the retaining section hole rides on an outside surface of the locking post to provide for smooth rotation of the retractor housing in relation to the retaining section.

An orthopedic support for supporting a joint of a wearer is provided and includes a sheet of flexible material having a proximal edge and a distal edge configured to extend at least partially around a portion of a wearer's anatomy and a pair of opposing lateral edges configured to at least partially enclose the portion of the wearer's anatomy. The support also includes at least one strap attached to the sheet of material and configured to extend over one of the lateral edges. In addition, the support includes at least one fastener tab secured to a free end of a respective strap, wherein the fastener tab supports fastening material that is configured to attach to at least one of the strap and sheet of material to secure the sheet of material about the portion of the wearer's anatomy.

An electrical connector (1) includes a terminal module (32), a metallic shield (31) shielding the terminal module, an outer dielectric cover (10) substantially surrounding the shield and a button (40) attached to the cover. The terminal module includes a mating portion (323) having a number of conductive terminals (322) exposed therein. The shield provides a resilient latching beam (20) at a front portion thereof. The latching beam includes a driving portion (22) and an outwardly extending latching portion (21) adjacent to the mating portion. The cover has an inwardly projecting post (111). The button includes an operating base (43) and an actuator arm (41) being pivotally movable about the post to push the button outwardly.

A purpose of the present invention is providing a permanent magnet synchronous motor rotor structure which has high air gap flux density and is easy to generate back electromotive force with a sine wave. In a permanent magnet synchronous motor, a circumferential surface of the rotor is uniformly provided with a plurality of magnetic steel grooves which are independently enclosed and do not contact mutually. Every two magnetic steel grooves are arranged to form a V shape, an opening of the V shape faces excircle of the rotor, and a tip of the V shape faces a rotor center. Each magnetic steel groove is provided with magnetic steel. In each group of V-shaped magnetic steel grooves, two magnetic steel facing the excircle of the rotor core have a same magnetic pole, and magnetic poles of magnetic steel facing the excircle of the rotor core in two adjacent groups of V-shaped magnetic steel grooves are opposite with the magnetic pole of the two magnetic steel. The excircle of the rotor goes down toward the center with depth delta and smooth transition at a crossing position of axes, which means that air gap width at the crossing position is less than air gap width at a straight axis position by delta. Through improving the rotor, the permanent magnet synchronous motor rotor has high mechanical strength and a large salient pole ratio, and weakened magnetism speed expansion is facilitated.

A holding device includes a base, a plurality of holding members, and a plurality of elastic elements. The base includes an annular wall extending in a direction substantially orthogonal to a plane on which the base lies. The annular wall includes a plurality of notches. The holding members are mounted in the annular wall and spaced along an angular direction. Each holding member includes a pressing member extending beyond the annular wall of the base via an associated notch of the annular wall. Each elastic element is mounted between two holding members adjacent to each other. A diameter of a circular ring formed by the holding members changes in response to expansion or compression of the elastic elements, causing the pressing member of each said holding member to move between a holding position outside the annular wall and a release position inside the annular wall.

The object of the present invention is to provide a one-way overrunning clutch with high strength, adjustable torque, convenient manufacture and assembly, and miniaturization. This one-way overrunning clutch is provided with a bearing bush supporting the rotating shaft and a clutch mechanism arranged in the bearing bush. When the rotating shaft inserted into the bearing bush rotates in one direction of the clutch mechanism, the rotating shaft rotates and slides in the bearing bush. When it rotates in one direction, its rotation and sliding are locked. The above-mentioned bearing bush is formed by laminating a plurality of plate members, and the press-fit recess formed on one surface of the above-mentioned plate member around the entire circumference is press-fitted into the recess formed on the adjacent plate member. Press-fit protrusions on the other side.

In one form, a security handbag is provided that includes an interior security panel assembly with a matrix of wires secured between a pair of material layers. The interior security panel assembly can be positioned intermediate the bag outside wall and a lining of the bag. A strap with security cable and a carbineer attachment device can be attached to the handbag. Methods for forming such security panel assemblies are also provided.

The invention provides a CT (computed tomography) machine and an X-ray collimator thereof. A good collimation effect can be realized. The X-ray collimator comprises a plurality of first plates and second plates. The first plates and the second plates respectively peripherally and axially extend on the CT machine and are spliced with one another, a through hole is formed by each two adjacent first plates and the two corresponding adjacent second plates in an enclosed manner, and extension lines of various side walls of each through hole intersect with one another at a focal point of an X-ray source, so that X-rays can conveniently linearly penetrate the through holes. The CT machine and the X-ray collimator have the advantages that the extension lines of the various side walls of each through hole intersect with one another at the focal point of the X-ray source, the through holes are perforated in extension directions of the various X-rays corresponding to the through holes, accordingly, the X-rays emitted from the focal point of the X-ray source can linearly penetrate the through holes and finally reach a detection unit of an X-ray detector without being blocked, and the good collimation effect can be realized; scattered light rays can be absorbed and blocked by the side walls of the through holes, so that interference of the scattered light rays on the X-rays positioned in the through holes can be prevented, an anti-scattering effect can be improved, and the detection precision can be enhanced.

A vibration damper for screw-driven mechanical systems includes a nut body and one or more attached damping elements. The nut body includes internal threads for cooperating with a lead screw of a screw-driven mechanical system. The damping element may be a viscoelastic material or other material. The damping element may be arranged on an outer surface of the nut body, and may either be exposed or protected by another element. A tuning mass may be applied to the vibration damper by attachment to the damping element. In some embodiments, the damping element is arranged on a cantilever element of the nut body. In other embodiments, the damping element is segmented and is distributed such that air passages are formed between the damping element segments.

A separator assembly (2) for removing material that is entrained in a gas stream. The separator assembly (2) comprises a housing having (4) inlet (20) and outlet (22) ports for the gas from which material is to be removed. The inlet (20) and outlet (22) ports are located toward the upper end of the housing. A flow director (24) is positioned so that gas flowing into the housing (4) flows over the flow director (24) so that the incoming gas is made to follow a generally helical path within the housing. The separator assembly (2) also comprises a shield (28) which extends across the housing towards the lower end thereof so as to leave a collection space (8) between it and the lower end in which material that is separated from the gas stream can collect. There is at least one opening (52) in or around the shield through which the material can flow past the shield into the collection space (8). The face of the shield (28) which is directed towards the upper end of the housing is bowl-shaped .

The invention discloses a double-motor hybrid driving and speed changing device, which is characterized in that: an internal-combustion engine takes a solid rotating shaft as an output shaft; a front section of the solid rotating shaft is coaxially provided with a sleeve shaft; a first clutch device and a second clutch device are arranged on the solid rotating shaft; a rotor of a second motor is fixed on the sleeve shaft; a rotor of a first motor is fixed on the solid rotating shaft; and a first gear is fixedly connected to the sleeve shaft, wherein the first clutch device, the first motor, the second motor, the second clutch device, and a change gear set consisting of the first gear, a second gear and a transmission gear are respectively arranged in respectively independent cavities. Thedouble-motor hybrid driving and speed changing device can be converted in a plurality of working modes, can effectively prevent the influence of heat transfer and splashing of lubricating oil on the motors, ensures the stable working state of the motors, has compact structure and reasonable layout, and improves fuel economy of the complete vehicle.

The hermetically sealed electrical feed-through device has a circular metal disk (11) with a conductive angular or bent isolated pin (13) hermetically sealed in an oval or elliptical through-going opening (O) whose center coincides with the center of the circular metal disk. The angular or bent isolated pin (13) is sealed in the oval or elliptical opening (O) by means of a glass-to-metal seal (17). An angular or bent ground pin (15) is connected to the rear side of the circular metal disk (11) adjacent to the opening (O) and extends approximately parallel to the isolated pin (13). Because the through-going opening (O) has an elliptical or oval cross-section section, different bridge wires of different lengths are connectable on the front side of the metal disk (11) between the front surface of the circular metal disk (11) and the angular or bent isolated pin (13). The isolated and ground pins both have circular transverse cross-sections.

A combination wringer / bucket system uses a wringer consisting of a wringer basket and pressure plate, specifically configured to be mounted on the rim of the bucket, which itself is specially adapted to receive and support a separable, columar wringer basket support member. This member extends between the floor of the bucket and the basket and provides stability to the bucket mounted wringer. The support member can be removed from the bucket, as can the wringer, so that the bucket can be used alone, if desired. For providing additional stability to the wringer, leg components extend from the pressure plate, through the wringer basket. A cam operated system smoothly controls the movement of the pressure plate within the wringer, to efficiently and effectively wring out saturated mops.

A curtain-type hollow fiber membrane module is composed of membrane fibers, water collecting tube and aerating tubes. It features that the ultrafiltering or microfiltering hollow fiber membrane made of the membrane fibers with 1.5-3.5 m in length integrate the aeration flushing with sucking and collecting water for increasing the flux of membrane and decreasing the energy consumption for flushing.

The invention discloses a three-dimensional photography technology based folded pipe field measurement method. The method comprises the following steps: (1) arranging a plurality of mark points on a flange and a pipe, and placing encoded points in a spatial position near to-be-measured flange and pipe; (2) performing multi-angle shooting around the pipe and the flange by using a camera or a video camera; (3) copying and storing all shot photos in a computer, and automatically and quickly calculating contour data and spatial relative position data of the pipe and the flange by utilizing three-dimensional photography software; (4) importing the obtained data into Geomagic software, and performing fitting modeling by utilizing the software to form required pipe and flange; and (5) performing analytic processing on 3D data by utilizing related three-dimensional drawing software, drawing a required folded pipe processing drawing, and outputting the drawing in a PDF format. The measurement method is simple, convenient and high in measurement precision, is slightly influenced by factors such as environment and the like, is not influenced by factors of space and light, and is relatively high in anti-jamming capability.

The invention discloses an engine braking method. A cam roller is moved by an axial driving mechanism of the cam roller from a first axial position to a second axial position on a roller shaft, connection between the cam roller and a conventional ignition cam is switched into connection between the cam roller and an engine braking cam, movement of a conventional ignition valve stops, and movement of a braking valve of an engine is generated. The axial driving mechanism of the cam roller can be integrated in a valve actuator such as a rocker arm and can also be located outside the valve actuator; for example, the axial driving mechanism of the cam roller is fixed to the engine. By means of the engine braking method, high-power braking generated by the special braking cam is obtained, the special braking cam can only comprise a braking exhaust cam body and can also comprise the braking exhaust cam body and a braking admission cam body at the same time, engine braking is constructed as non-hydraulic fixed-chain type bearing, and the efficacy losing mode of hydraulic bearing is avoided. The braking control is simple, the braking performance is excellent, the structure is simple and compact, manufacturing and assembling are easy, and the application range is wide.

The invention relates to the water treatment industry, in particular to deep filtration and purification of drinking water. The invention discloses a water purifier with a closed waterway switcher. The water purifier comprises a filter element, and a pedestal provided with water inlet and outlet pipeline interfaces and a filter element pipeline interface. The water purifier is characterized by also comprising the closed waterway switcher; the closed waterway switcher is contacted and matched with the pedestal through a fastening device to form a whole, and the external water port of the closed waterway switcher is connected with the water inlet and outlet pipeline interfaces of the pedestal respectively; the controlled water port of the closed waterway switcher is connected with the filter element pipeline interface to form a positive water through filter passage of the filter element; and the related switching water port of each disc is newly butted by position movement of a control piece in a shell of the closed waterway switcher to form a negative water through backwashing passage of the filter element. The water purifier has the advantages that: the assembly and the manufacture are simple and convenient, and the production quality and the efficiency are high; the inspection is convenient and fast; and the maintenance is convenient and fast, the water purifier can be maintained by a user so that the expenditure is saved and the water purifier is also convenient for remote users, and popularization of the water purifier is favorable.

An electrical connector (1) includes a terminal module (32), a metallic shield (31) shielding the terminal module, an outer dielectric cover (10) substantially surrounding the shield and a button (40) attached to the cover. The terminal module includes a mating portion (323) having a number of conductive terminals (322) exposed therein. The shield provides a resilient latching beam (20) at a front portion thereof. The latching beam includes a driving portion (22) and an outwardly extending latching portion (21) adjacent to the mating portion. The cover has an inwardly projecting post (111). The button includes an operating base (43) and an actuator arm (41) being pivotally movable about the post to push the button outwardly.

The invention relates to a resonance sound-generating device through an electromagnetic driving manner. A bearing piece (2) is arranged in an outer casing (1); a permanent magnet (3) is arranged in the bearing piece (2); a voice coil suspension (8) is arranged at the outer periphery of the permanent magnet (3); and a drive voice coil (7) is arranged on the voice coil suspension (8). The invention is characterized in that a vibration end cover (6) is connected with one end of the outer casing (1), and the voice coil suspension (8) is fixedly connected with the vibration end cover (6), so as to enable the vibration generated by the voice coil suspension (8) to be transferred to the vibration end cover (6); and a first elastomer(7), a second elastomer (8), and a third elastomer (9) are arranged in the casing. After the structure is adopted, the drive voice coil is utilized to be input with sound signals, so as to enable the voice coil suspension in the magnetic field of the permanent magnet to generate axial vibration, thereby transferring electric signals into the mechanical vibration; and the vibration is transferred to a flat plate through the vibration end cover, so as to drive the flat plate to be in resonant and generate the sound. Furthermore, the invention has the advantages of simple structure, small volume, wide vocal range, and convenient manufacture and assembly.

The invention discloses a variable valve driving mechanism of an engine. The mechanism comprises an engine valve, cams, a cam roller, a roller shaft, a roller shift fork and a roller driving mechanism, wherein the roller driving mechanism is used for switching the cam roller between a first axial position and a second axial position on the roller shaft through the roller shift fork, so that the cam roller is connected with different cams to produce different engine valve events. The roller driving mechanism comprises a piston and a spring; the piston is connected with one end of the roller shift fork; the other end of the roller shift fork is provided with two separated guide holes; the two separated guide holes sleeve the roller shaft and the cam roller is sandwiched in the middle; the movement of the piston is transferred to the cam roller through the roller shift fork. The cam roller is moved through the roller shift fork by using the roller driving mechanism on the outer side of the cam roller; the mechanism has a simple and compact structure, is durable and reliable in operation and has extremely wide application, such as engine cylinder closing, engine brake, engine exhaust gas recirculation and engine turn-on and turn-off.

The present invention belongs to a safety cork cover device for a container which can produce high pressure fluid. The present invention comprises a lock connector, a safety lock cover, a resetting piece which is assembled between the lock connector and the safety lock cover. The lock connector comprises a blocking mechanism arranged air-tightly in the opening of the container by screws, and a clipping mechanism which is connected with the blocking mechanism, the clipping mechanism has a connecting tube group and a clipping ring which is arranged on the cirumferential surface of the connecting tube group. When the cover main body of the safety lock cover is pressed downwards to clip the clipping ring, the cover main body can link the blocking mechanism to rotate relative to a casing body for breaking away from the opening. The production and the assembly of the safety cock cover device are simpler because of the simple structure design of the clipping of the clipping mechanism and the safety blocking mechanism as well as the setting of the reset piece.

The invention relates to the field of optical fiber acoustic sensors, and particularly provides an optical fiber MEMS microphone array acoustic detection plate and system. The optical fiber MEMS microphone array acoustic detection plate and system are used for filling up the blank of acoustic detection and sound localization through array combining of optical fiber MEMS microphones. According to the optical fiber MEMS microphone array acoustic detection plate and system, an MEMS membrane is applied to optical fiber acoustic sensors, the sensitivity of the optical fiber microphone acoustic sensors is improved, the preparation and assembly are more convenient, and the optical fiber MEMS microphone array acoustic detection plate and system have the advantages of being small in size, free of metal, high in sensitivity and the like; the optical fiber MEMS microphone array acoustic detection plate and system can be better applied to monitoring occasions, locating occasions and other occasions which need high invisibility, and can also be better applied to far-distance space sound localization, non-contact fault audio detection of a mechanical device, remote sound signal pickup and otherfields; meanwhile, the single-point optical fiber MEMS microphone acoustic sensors are subjected to array combining, and the sound signals can be detected and located.

The invention relates to a patch panel for mounting on a wall or in a subrack, comprising a housing part, which can be mounted on ends located on respective faces by means of angle brackets and which has a front cover provided in the form of a patch panel for routing data waiting on lines of an incoming cable to lines that can be connected via connecting devices on the front cover. An angle bracket is provided on each end and has a fork-type spring detent that can be inserted at the front and rear into guide slots, which are provided for insertably accommodating the fork-type spring detent on the ends that are situated on opposite sidewalls of the housing part, and the fork-type spring detent can be snapped in by means of corresponding detent means.

In various embodiments, a carry (or carrying) bag is provided that includes an interior, substantially cut-resistant security panel assembly with a matrix of wires secured between or on one or more flexible material layers. Also in various embodiments, the security panel assembly may be positioned intermediate the bag outside wall and a lining of the bag, and in other embodiments, may also take the form of an expansion panel. Second or secondary locking fasteners are also provided to lock first or primary fasteners to or within the carrying bag, to provide security for compartments and pockets. A strap with one or more security cables, and various locking fasteners, may be attached to the carry bag. Methods for forming such security panel assemblies, expansion panels, and carrying straps are also disclosed.

The invention discloses a tail gas waste heat recovery power generation device of an internal combustion engine. The device comprises a heat exchanger, a thermoelectricity power generation assembly, a water cooling board, fastening hoops, a high temperature board, an air inlet cone, an air outlet cone, connection flanges and an outer shell. Tail gas of the internal combustion engine is input through the air inlet cone connected with one flange via an exhaust pipe, part of heat in the tail gas is collected by a heat collection device when the tail gas passes through the heat collection device inside the heat exchanger and is conducted to the high temperature board installed at one end of the thermoelectricity power generation assembly through heat transfer media inside the heat collection device, the other face of the thermoelectricity power generation assembly is cooled through the water cooling board filled with cooling water, a temperature difference is generated between the high temperature board and the water cooling board, and the thermoelectricity power generation assembly can generate electricity for charging under the condition that the temperature difference exits. The tail gas waste heat recovery power generation device of the internal combustion engine has the advantages of being simple in structure, convenient to manufacture and assemble and high in power generation efficiency.

The invention discloses an explosion-flashing type LED (light emitting diode) warning lamp. The explosion-flashing type LED warning lamp comprises a lampshade and a base, wherein the lampshade and the base are sealed through a sealing ring; an upper reflecting mirror, an upper LED light source module, a lower LED light source module and a lower reflecting mirror are sequentially arranged in the lampshade from top to bottom; a power plate is fixed on the base; a light source of the upper LED light source module backs to a light source of the lower LED light source module; a reflecting surface of the upper reflecting mirror is opposite to a reflecting surface of the lower reflecting mirror; each of the upper LED light source module and the lower LED light source module is provided with a plurality of LED light source particles; the LED light source particles are uniformly distributed on a circuit board peripherally; each of the upper reflecting mirror and the lower reflecting mirror is provided with a plurality of reflecting surfaces; the reflecting surfaces are also uniformly distributed peripherally; each reflecting surface corresponds to the corresponding LED light source particle; each reflecting surface of each reflecting mirror is a paraboloid of revolution; and the LED light source particles are placed on the focus of the paraboloid. The working mode of the warning lamp is a stroboflash lighting mode; and the service life of the lamp is determined by LED, so that the service life of the lamp is greatly prolonged.

A ratchet wrench is provided, including a main body, a ratchet, a controlling member, a restriction member and a fixing member. A head portion of the main body has a first face, a second face, a receiving hole, a receiving slot disposed in an inner surface of the receiving hole and an assembling hole. A through hole communicates the assembling hole and the receiving hole. The ratchet is rotatably disposed in the receiving hole. An assembling portion of the controlling member is rotatably inserted in the assembling hole. The restriction member is movably disposed in the receiving slot. The fixing member is disposed in the through hole, and the fixing member is abutted against the controlling member to restrict the assembling member to stay in the assembling hole. Whereby, it is convenient to manufacture and assemble the ratchet.

The invention discloses a shaft testing device capable of exerting two-stage combined tension-torsion loading simultaneously. The shaft testing device mainly comprises a rack as well as a first-stage tension-torsion loading load module, a second-stage tension-torsion loading load module and a reactive torque loading load module which are installed on the rack. Each of the first-stage tension-torsion loading load module and the second-stage tension-torsion loading load module comprises torque load oil cylinders, a torque bearing disk, axial force load oil cylinders and an axial force bearing disk, wherein the torque load oil cylinders are arranged in a reverse symmetry manner, the torque bearing disk is fixed with one end of a to-be-tested shaft, the axial force load oil cylinders are arranged symmetrically, a piston of each torque load oil cylinder is hinged to each torque bearing disk through a torque load connecting component, a piston of each axial force load oil cylinder acts on each axial force bearing disk through an axial force load connecting component, and each axial force bearing disk is axially connected with each torque bearing disk through a thrust bearing. The reactive torque loading load module comprises return spring components and a reactive torque bearing disk, wherein the return spring components are arranged in a reverse symmetry manner, and the reactive torque bearing disk is fixed with the other end of the to-be-tested shaft.