1761 results about "Ferrule" patented technology

An optical connector ferrule is a member inside which an optical fiber is secured, and a tip side thereof serves as a connection end surface for an optical fiber. The optical connector ferrule is formed by injection molding, for example, and is formed from polyphenylene sulfide (PPS) resin that contains a filling material (e.g., inorganic fibers or a filler). An internal space is communicated with the tip side of the optical connector ferrule and serves as a hole into which the optical fiber is inserted. Here, the 260° C.×1 minute shrinkage factor of the optical connector ferrule in the present embodiment is 0.13% or less.

A method of assembling an optical device including: providing a photonic integrated circuit including a plurality of vertical-coupling elements disposed along a main surface of the photonic integrated circuit; attaching an optical subassembly to the photonic integrated circuit; removably connecting a fiber connector to a ferrule frame, in which the fiber connector is attached to an array of optical fibers; aligning the ferrule frame to the optical subassembly using an active alignment process; and securely connecting the ferrule frame to the optical subassembly after the active alignment process.

An adapter to mate fiber optic ferrules to respective fiber optic ferrules in a fiber optic connector housing includes a main body having ferrule-side openings and connector-side openings to receive the fiber optic connectors. The adapter includes columns that extend between a top side and a bottom side of the main body, a plurality of triggers attached to the adapter, each of the plurality of triggers having a pair of trigger legs, the trigger legs positioned inside respective columns on opposing sides. There is also a holder extension groove oriented longitudinally in each column and configured to receive a holder extension of a fiber optic ferrule holder and a pair of ferrule stop pedestals on each column on opposite sides of each holder extension groove configured to seat the fiber optic ferrule when the fiber optic ferrule holder is fully inserted into the adapter.

The invention relates to a sensor head (20), wherein the sensor head (20) comprises a sensor element (11), a glass fiber and / or an optical waveguide (6). The sensor element (11) is mechanically and optically connected to the first end of the glass fiber or the optical waveguide (6) such that the glass fiber or the optical waveguide (6) can irradiate the sensor element (11) with pump radiation of a pump radiation wavelength, which the glass fiber or the optical waveguide (6) transports in the direction of the sensor element (6), and the glass fiber or the optical waveguide (6) can detect fluorescence radiation with a fluorescence radiation wavelength from the interior of the sensor element (11) and transports it in the direction away from the sensor element (6). The sensor head comprises a ceramic ferrule (7) with an inner tube along its longitudinal axis.The optical fiber (6) is inserted into the inner tube of the ferrule (7) so that the sensor element (11) is located at the other end of the ferrule (7) and / or protrudes from the inner tube of the ferrule (7). The ferrule (7) is inserted into a hollow tip (3) so that the sensor element (11) is preferably located at the tip of the hollow tip (3). The hollow tip (3) is inserted into a ceramic tube (2). The sensor head (20) comprises a shuttle (8). The glass fiber or the optical fiber (6) is guided within the shuttle (8). The shuttle (8) is inserted within the ceramic tube (2). The hollow tip (3) closes the ceramic tube (2). A holder (1) is pushed or plugged onto the ceramic tube (2). The glass fiber or the optical fiber (6) is guided outside the sensor head (2) in an outermost fiber shield (5).The sensor element (11) comprises crystals with paramagnetic centers that emit fluorescence radiation upon irradiation with pump radiation of the pump radiation wavelength. The crystal can, in particular, comprise diamond with NV centers and / or ST1 centers and / or TR1 centers as paramagnetic centers.

The invention belongs to the technical field of bearing manufacturing, and particularly relates to a quenching and tempering heat treatment method for a large heavy-duty bearing ring piece, which is suitable for quenching and tempering heat treatment of a thick large-section ring piece. And the thick and large-section ferrule ring piece is heated to the quenching temperature in a segmented and stepped mode, the ferrule ring piece is hoisted to a circulating water pool to be subjected to water cooling after heat preservation is completed, cooling is conducted till the surface temperature of the ring piece is lower than 100 DEG C, and the quenched ferrule ring piece is timely charged into a furnace to be tempered twice. The surface of the ferrule ring subjected to quenching and tempering heat treatment is free of cracks, the deformation degree is small, a martensite structure with the full cross section quenched thoroughly can be obtained, and the uniformity of the surface layer, the core structure and the performance of the ferrule ring with the thick and large cross section can be greatly improved. In addition, the quenching and tempering heat treatment process is simple to operate, and the consistency of the performance of the ferrule ring pieces in all batches is easily ensured. The method is not limited to a process of a large heavy-duty bearing ring piece, is also very suitable for thermal refining of other large forgings, and solves the defect problems of non-uniform structure, unstable performance and the like.

The utility model relates to the technical field of dies, and discloses a core inserting die which comprises a die body, and a die cavity is formed in the die body. One end of the pin block is connected with a guide pin extending into the die cavity, and one end, far away from the pin block, of the guide pin extends out of the die cavity; the needle seat is arranged on the other side, opposite to the needle inserting block, of the die body and comprises a first needle seat body and a second needle seat body, the first needle seat body comprises a first guide needle containing groove formed towards the second needle seat body, and the second needle seat body comprises a second guide needle containing groove formed opposite to the first guide needle containing groove; and the first guide pin accommodating groove and the second guide pin accommodating groove form a first guide hole for accommodating a guide pin. The needle seat is designed to be of a split structure composed of the first needle seat and the second needle seat, so that the end, extending out of the mold cavity, of the guide needle is contained in the first guide hole in the forming process, the guide needle can be wrapped more tightly, the gap between the guide needle and the first guide hole is reduced, injection materials are effectively prevented from flowing into the first guide hole, and the injection efficiency is improved. Therefore, the MT insertion core is ensured to have excellent location degree.

The utility model provides a cable tensile strength testing device, and relates to the technical field of deep shale gas horizontal well fracturing. The first clamping and fixing mechanism is used for clamping and fixing a ferrule structure of the tested cable, and the ferrule structure is formed by bending one end of the cable into an arc-shaped closed loop; the rope sleeving column is transversely connected to the base in a sliding mode, and the loop structure can be connected to the rope sleeving column in a sleeving mode; the tension detection mechanism comprises a tension detector, one end of the tension detector is connected with the rope sleeving column, and the other end of the tension detector is connected with the base; the winding mechanism comprises a winding roller and a driving motor which are in transmission connection, the winding roller is installed on the base, and a containing groove is formed in the side wall of the winding roller; and the second clamping mechanism is arranged in the accommodating groove and is used for clamping and fixing the other end of the cable. And through the arrangement of the winding roller, the cable can be pulled, and the device can adapt to cables with different lengths.

The present invention provides an optical fiber connector assembly. The optical fiber connector assembly comprises an optical fiber adapter and an optical fiber connector. The optical fiber adapter comprises a socket, a nut and a socket dustproof cap. The optical fiber connector comprises a housing part and a plug assembly, the plug assembly being used for plugging in an optical fiber; and the housing part comprises a movable casing, a ferrule fixing tube and a tail sheath, the ferrule fixing tube being used for fixing the plug assembly, one end of the ferrule fixing tube being detachably connected to the tail sheath, and the movable casing being slidably arranged at the other end of the ferrule fixing tube. During installation, the plug assembly is directly plugged onto the optical fiber adapter to achieve connection and self-locking, thus achieving plug-and-play effect, avoiding easy disengagement from a connected state, and achieving security and firmness; during disassembly, the slidable movable casing of the plug assembly slides backwards, such that the plug assembly can be pulled out from the optical fiber adapter, thereby achieving slide-to-unlock, making disassembly rapid, and saving time and labor; and the whole assembly and disassembly process requires a small operation space, thus satisfying the requirement of high-density installation.

A fiber optic ferrule has a set of optical fiber support structures that includes a slotted blind hole to assist in the application of epoxy to the optical fibers and fiber optic ferrule. There is an entrance surface within the slotted blind holes against which the optical fibers may be disposed. The slotted blind holes may be formed within a portion of a first wall and a second wall adjacent a front end of the fiber optic ferrule.

An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four LC-type optical ferrules are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight LC-type optical ferrules are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A mating receptacle (transceiver or adapter) includes internal alignment slots configured to accept a corresponding alignment key on connector outer housing to ensure alignment and orientation for maximum signal transfer between opposing ferrule end faces.

The embodiment of the invention relates to the technical field of communication, and provides an optical fiber connector and a connection box, the optical fiber connector comprises an inner shell assembly, an insertion core assembly and an optical cable, the insertion core assembly comprises a plurality of ceramic insertion cores, one end of each ceramic insertion core is located in a containing cavity of the inner shell assembly, and the other end of each ceramic insertion core extends out of the inner shell assembly. The optical cable comprises a plurality of optical fibers, the plurality of optical fibers are respectively arranged in the through holes of the ceramic ferrules in a penetrating manner, the plurality of ceramic ferrules are arranged in an array in an M-row N-column manner, M is greater than or equal to 2, and N is greater than or equal to 2. The ceramic insertion cores have high rigidity and strength, the precision of the insertion cores can be improved, the ceramic insertion cores at the two ends can be better aligned in the butt joint process of the optical fiber connector, the alignment precision of optical fibers in the ceramic insertion cores can be improved, transmission loss between the optical fibers can be effectively reduced, and the service life of the optical fiber connector is prolonged. Therefore, the transmission efficiency of optical signals between optical fiber connectors is effectively improved, and the insertion core loss is reduced.

The utility model discloses an optical fiber cutting and clamping jig. The optical fiber cutting and clamping jig comprises an optical fiber limiting and placing bottom plate, an overturning and buckling gland and a buffering and pressing mechanism, a profiling groove used for placing the main body shell is formed in the middle of the optical fiber limiting and placing bottom plate, and the overturning and buckling gland is rotationally connected with the optical fiber limiting and placing bottom plate. The buffer pressing mechanism is arranged on the overturning buckling pressing cover and corresponds to the clamping groove structure, the buffer pressing mechanism comprises a pressing block, an installation block and an elastic piece, when the overturning buckling pressing cover rotates relative to the optical fiber limiting placement bottom plate, the pressing block abuts against and presses an optical fiber insertion core located in the clamping groove structure, and the elastic piece abuts against the optical fiber insertion core located in the clamping groove structure. The installation block buffers stress in the rotation direction by extruding or stretching the elastic piece so that the position of the pressing block relative to the optical fiber ferrule is not changed, the situation that the optical fiber ferrule is driven by the stress in the rotation direction to generate dislocation deviation is avoided, and larger pressure can be applied to clamp the optical fiber ferrule.

The invention discloses an AOC assembly production method, an AOC assembly production tool is used, the AOC assembly production tool comprises a positioning plate and an anti-springboard, the positioning plate is provided with an insertion core positioning groove, a joint positioning groove and an optical fiber positioning groove, the front end of the optical fiber positioning groove is communicated with the insertion core positioning groove, the rear end of the optical fiber positioning groove is communicated with the joint positioning groove, and the anti-springboard is connected with the insertion core positioning groove. The AOC assembly production method comprises the following steps that an insertion core, an optical fiber and an optical cable which are needed by AOC assembly product assembly are prepared, and the front end of the optical cable is provided with a connector; the connector is placed in the connector positioning groove, and the connector is pressed by the anti-springboard; placing the insertion core in the insertion core positioning groove; placing the optical fiber in the optical fiber positioning groove; the front end of the optical fiber is connected with the insertion core in a dispensing manner, and the rear end of the optical fiber is connected with the connector in a dispensing manner; and heating the positioning plate until the sizing material at the optical fiber connecting part is cured. The AOC assembly product can be rapidly produced, the production difficulty is reduced, and the product quality is improved.

The utility model discloses a releasable headstall structure for well logging, which belongs to the technical field of well logging and comprises a headstall pipe body, a well logging electrical apparatus element and a cable body, clamping blocks are slidably connected in two sliding grooves, two push-pull electromagnets which are symmetrically distributed are embedded in a clamping ferrule, and the two push-pull electromagnets are connected with the clamping ferrule in a sliding mode. The output ends of the two push-pull electromagnets are fixedly connected with the two clamping blocks correspondingly, a connecting column is movably connected into the clamping ferrule, a tension sensor is installed on the upper end face of the connecting column, and when the headstall pipe body is clamped in a well, the cable body is pulled, so that a connector pulls the connecting column through the tension sensor, and the cable body is pulled to pull the connecting column. When the tension exceeds a set value of the tension sensor, the push-pull electromagnet is started through the controller, the output end of the push-pull electromagnet drives the clamping block to enter the sliding groove, the cable body pulls out the connecting column from the interior of the clamping ferrule, and the cable clamping device has the advantages of being capable of preventing the cable from being broken, high in working efficiency and good in sealing effect.

Fiber optic connectors, cable assemblies and methods for making the same are disclosed. In one embodiment, the optical connector comprises a housing and a ferrule. The housing comprises a longitudinal passageway between a rear end and a front end. The optical connectors disclosed may be tunable for improving optical performance and may also include a spring for biasing the ferrule to a forward position as desired.

Fiber optic connectors comprising compact footprints along with cable assemblies and methods for making the same are disclosed. In one embodiment, the optical connector comprises a housing and a ferrule. The housing comprises a longitudinal passageway between a rear end and a front end. The optical connectors disclosed may be tunable for improving optical performance and may include a spring for biasing the ferrule to a forward position as desired.

The invention relates to the technical field of hydrogen energy storage and transportation, and discloses a hydrogen storage system convenient for hydrogen charging and discharging regulation, comprising: a gas input module comprising a gas discharging column unit, a buffer tank and a connecting unit, the gas discharging column unit being connected with a tube bundle vehicle by using a ferrule type quick joint, a compression module comprising a first hydrogen compressor unit and a second hydrogen compressor unit, the second hydrogen compressor unit adopts a water-cooling diaphragm structure, the hydrogen storage module comprises a first hydrogen storage bottle group unit and a second hydrogen storage bottle group unit, and the second hydrogen storage bottle group unit is divided into three-stage storage, a gas distribution and control module, a safety guarantee module, a monitoring module and an auxiliary module. Through a gas discharging column double-path parallel interface of the gas input module and the temperature compensation type pressure gauge, and in combination with a check valve and a rupture disk of the buffer tank, the damage of high-pressure impact to equipment is avoided, so that the equipment is prevented from being damaged by the high-pressure impact, and the service life of the equipment is further prolonged.

The present disclosure includes a ferrule for a fiber optic connector and related connectors, methods, and assemblies. The ferrule may include a body defining an end face, a top side and a bottom side defining a height dimension of the body therebetween with a longitudinal axis of the ferrule defined perpendicular to the height dimension. The body may include an optical region defining at least one fiber-side light-permeable surface and at least one end-side light-permeable surface. The at least one end-side light-permeable surface may be defined along the end face. In some embodiments, the body may include at least one light-turn surface configured to reflect optical signals from the at least one fiber-side light-permeable surface towards the at least one end-side light-permeable surface at a nonzero angle relative to the longitudinal axis, and the optical region may be configured to at least partly focus the optical signals.

The invention relates to a high-temperature and high-pressure testing device and method for a packer, and belongs to the technical field of petroleum engineering. The temperature in the test shaft is controlled through the electric heating belt, the upper connector is sleeved at the A end of the test shaft, the connector is in threaded connection with the upper connector, the first screwed plug is sleeved on the connector in a buckling mode, the second screwed plug is sleeved at the B end of the test shaft, and the first meter bushing and the second meter bushing are respectively installed on the upper side faces of the upper connector and the second screwed plug. The first high-temperature pressure gauge and the second high-temperature pressure gauge are used for measuring the pressure at the two ends of the test shaft respectively, and a first steel pipe and a second steel pipe are installed on the lower side faces of the upper connector and the second screwed plug respectively. And the ferrule type three-way pipe joint is provided with a proportional unloading valve and a high-temperature and high-pressure needle valve. According to the invention, underground high-temperature and high-pressure environments can be simulated, and the sealing effect of the packer is detected by respectively controlling the pressures on the two sides of the packer.

The invention discloses a remote monitoring system for a numerical control bearing processing machine tool, belongs to the technical field of machine tools, and solves the problems that during finish turning of a GCr15 thin-wall ferrule, a main shaft pretightening force is attenuated to cause inherent frequency drift, servo parameters just fall on an excitation band, cutting force induces high-frequency flutter, fish scale vibration marks are generated, the service life and noise of a bearing exceed the standard, batch reworking is carried out, and machining efficiency is high. And the precision of a machine tool is permanently damaged. Comprising a multi-source information sensing module, a causal discovery and decision center, a dynamic stiffness field regulation and control module and a real-time simulation verification module, wherein a fiber bragg grating demodulator of the multi-source information sensing module is connected to a main shaft bearing seat in a machine tool through a sensing interface; a laser Doppler vibration meter of the multi-source information sensing module is in butt joint with a tool-workpiece machining area in a machine tool through an optical probe. Pre-tightening-servo-cutting coupling is sensed in real time, the magneto-rheological rigidity is actively adjusted, resonance is avoided, flutter is restrained and eliminated, high-frequency flutter is immune in advance, chatter marks and batch accidents are eradicated, and a cutter machine tool is protected.

An end part structure for an optical connector includes a ferrule having a connection end face and a fiber hole into which an optical fiber is inserted up to the connection end face, a spring disposed at a rear side of the ferrule in a longitudinal direction of the fiber hole, a spring push that surrounds the optical fiber, a housing that accommodates the ferrule and the spring and to which the spring push is locked such that the ferrule is biased forward by the spring, a braided tube mounted on the spring push, and a fixing member that fixes the braided tube to the spring push. The spring is sandwiched between the spring push and the ferrule in the longitudinal direction.

A method and system for coupling hollow-core optical fibers. The fiber optic coupling system includes one or more fiber optic connectors, and each of the fiber optic connectors includes a ferrule, a hollow-core optical fiber, and one or more seals. Each ferrule includes an end face, an outer surface that defines a center axis of the ferrule, and a bore with an opening on the end face. Each hollow-core optical fiber is positioned in the bore of a respective ferrule, and each of the one or more seals are operatively coupled to the ferrule and configured to form a sealing interface that isolates the opening of the bore from an external environment when the fiber optic connector is operatively coupled to another component of the system.

1. Name of the design product: Optical fiber ferrule and its body. 2. Use of the design product: The overall use is that the optical fiber ferrule is used to carry optical fibers; the local uses required to be protected by Design 2, Design 4 and Design 6 are for the body of the optical fiber ferrule. 3. Design key points of the design product: For Design 1, Design 3 and Design 5, it lies in the shape; for Design 2, Design 4 and Design 6, it lies in the shape of the local design. 4. Picture or photograph that best shows the design key points: Perspective view 1 of Design 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: For Design 2, Design 4 and Design 6, the parts represented by solid lines are the parts required to be protected. For Design 2, Design 4 and Design 6, the parts represented by dashed lines are the parts not required to be protected.

An electronic golf flagstick for sensing objects proximate the golf flagstick includes an elongated pole with a first end and a second end, the first end adapted to be removably secured to a surface. A compartment assembly is arranged between the first end and the second end. The compartment assembly includes at least one sensor configured to sense an object proximate the golf flagstick. A ferrule is disposed at the first end and includes a portion a releasably couplable electric connector.

The invention relates to a forming device, in particular to an asymmetric ferrule blank forming device which comprises a device support, a cutting mechanism is fixedly connected to the device support, a clamping mechanism is slidably connected to the device support, and the clamping mechanism can clamp an inner bearing ferrule or an outer bearing ferrule. The cutting mechanism and the clamping mechanism are matched with each other to move to cut an outer ring of the inner bearing ring, and the cutting mechanism and the clamping mechanism are matched with each other to move to cut an inner ring of the outer bearing ring; and the inner bearing ring and the outer bearing ring which are asymmetric bearing rings can be machined.

The embodiment of the utility model provides a coupling tail fiber visual inspection packaging box which comprises an upper cover, an inner support and a bottom support. The upper cover is buckled and connected with the bottom support, a cavity is formed in the upper cover, and the inner support is arranged in the cavity; the inner support is provided with at least one protruding platform which is away from the upper cover by a preset distance and is used for placing an insertion core. A groove with a preset height is formed in the inner support and is used for accommodating an optical fiber; at least one plane is arranged at the front position of the protruding platform and serves as a datum plane, and a sticky sheet used for fixing a product to be detected is arranged on the plane. The detection accuracy and efficiency can be improved, accurate observation of product features and rejection of defective products are facilitated, detection interference is reduced, the risk of product damage can be reduced, batch transportation and management are facilitated, products are placed more orderly, and the whole device has good application value and market prospects.

A fiber optic connector and cable assembly includes a cable with one or more strength members secured to a connector that is connectable to both a hardened and a non-hardened fiber optic adapter. The cable can include multiple cable types with various shapes and strength member configurations. The connector includes a connector housing having a one-piece main body and a cover piece mounted thereon. The one-piece main body defines a plug portion compatible with the adapters. A ferrule assembly is mounted in the plug portion and biased outwardly by a spring. An insert within the connector housing includes a spring stop for holding the spring and a cable retention portion for securing the strength members of the cable. The spring stop and the cable retention portion can be included on a one-piece insert or they can separately be included on separate inserts. The cable retention portion of the insert and the cover piece can take various forms suited for a particular cable of a given fiber optic connector and cable assembly.

An electrical connector assembly includes a housing having a mating interface configured to be mated with a mating electrical connector assembly. Wafer assemblies are received in a cavity of the housing arranged in a wafer stack. Each wafer assembly includes a leadframe, a wafer body holding the leadframe, cables coupled to the leadframe, a ground frames coupled to the wafer body to provide electrical shielding for the leadframe, and ferrules surrounding the ends of the cables and electrically connected to the ground frames. Each ferrule has a solder layer along an interior of the ferrule coupled to a cable shield. Each ferrule includes shield connecting elements terminated to the ground frames to electrically connect the ferrule to the ground frames.

The invention relates to the technical field of electronic connectors, in particular to an electronic connector based on heat dissipation and heat conduction fins and a rapid assembling method thereof.The electronic connector comprises a socket, a plug, a ferrule and a jack, the jack is formed in the inner side of one end of the socket, one end of the socket is fixedly connected with a sealing gasket, the interior of the jack is matched with the ferrule, and the socket is connected with the plug through the ferrule and the jack; the middle of the upper end and the middle of the lower end of the socket are each provided with a center hole, the center holes are internally provided with clockwork springs, the clockwork springs are connected with the connecting unit, the upper end and the lower end of the plug are each fixedly connected with a toothed plate through a rivet, and one end of the plug is fixedly connected with a protruding block. According to the technical scheme, the toothed plate is driven to move through rotation of the gear, then butt joint is achieved, in the installation process, large pressure needs to be applied to the installation end of the socket, and the problem that the position where the socket is fixed through a grid structure deforms can be solved.

A ferrule for an optical connector includes: a ferrule main body that includes fiber holes that extend in a front-rear direction, that are disposed in a left-right direction, and into which optical fibers are inserted, a guide hole into which a guide pin is inserted, and a recessed portion recessed from a rear end surface of the ferrule main body toward a front side on which a connection end surface of the ferrule main body is disposed in the front-rear direction. A vertical direction is perpendicular to both the front-rear direction and the left-right direction. Rear end portions of the fiber holes open at a bottom surface of the recessed portion. The bottom surface includes a first inclined surface inclined toward the fiber holes in a direction toward the front side.