39results about How to "Reduce rigidity" patented technology

This utility model provides a car seat with a novel support structure, belonging to the field of car seat technology. It includes: a support frame, a connecting component, a base, and a seat back. The support frame is provided with a sliding groove, the connecting component includes a connecting rod and at least two connecting parts, and the base is provided with a connecting groove. The seat back is connected to the connecting parts and can move relative to the support frame as the connecting parts slide along the sliding groove. Compared with the traditional steel pipe structure, the new support frame has been optimized in terms of material selection and structural design, resulting in a significant reduction in overall weight, making the seat easier to move and adjust. At the same time, the sliding groove design on the support frame allows users to adjust the position of the seat back according to their personal sitting posture habits.

The utility model belongs to the technical field of optical cable manufacturing, and discloses an indoor flexible optical cable, which comprises an optical fiber unit, a high-temperature-resistant layer, an outer protective layer and a fireproof layer, the periphery of the optical fiber unit is coated with the high-temperature-resistant layer, the periphery of the high-temperature-resistant layer is coated with the outer protective layer, the outer protective layer is provided with a spiral notch, and the periphery of the outer protective layer is coated with the fireproof layer. According to the indoor flexible optical cable, the spiral notch is formed in the outer protective layer, so that the rigidity of the outer protective layer can be effectively reduced, the indoor flexible optical cable can be more flexible when being bent, the indoor flexible optical cable cannot be damaged when being wired in a complex indoor environment and at corners, the signal transmission speed and accuracy of the indoor flexible optical cable are ensured, and the indoor flexible optical cable is more flexible. The arrangement of the spiral notch can also disperse the stress on the outer protective layer when the indoor flexible optical cable is bent, improves the bending resistance of the indoor flexible optical cable, achieves the repeated use of the indoor flexible optical cable, and prolongs the service life of the indoor flexible optical cable.

The utility model discloses a state monitoring assembly for a wire harness, and relates to the technical field of wire harness monitoring equipment, the state monitoring assembly comprises a monitor main body and a data line, the data line is provided with a protective sleeve, the data line comprises a joint and a lead, the protective sleeve comprises an inner-layer soft sleeve, a top fixing lantern ring and a bottom fixing lantern ring, the inner-layer soft sleeve is detachably installed on the joint, and the top fixing lantern ring is detachably installed on the lead. The inner-layer soft sleeve comprises a top plate, a base and a connecting column, the top fixing lantern ring is movably installed at the top of the inner-layer soft sleeve, the bottom fixing lantern ring is movably installed at the bottom of the inner-layer soft sleeve, a fan-shaped notch matched with a wire is formed in the side face of the protective sleeve, and the protective sleeve is arranged on the wire in a sleeving mode through the fan-shaped notch. The data line connector has the advantages of being convenient to assemble and disassemble, enhancing the protection performance and prolonging the service life, and solves the problems that a traditional data line connector is easy to damage and high in maintenance cost.

The invention discloses a temperature response type printed color-changing fabric and a preparation method thereof.The temperature response type printed color-changing fabric is prepared from polyester fiber base cloth and temperature-sensitive dye, and the temperature-sensitive dye is prepared from, by weight, 3-8 parts of microcapsule type thermochromic dye, 40-50 parts of organic silicon modified epoxy resin adhesive and 1-3 parts of thickening agent; the component A comprises the following components in parts by weight: 2-4 parts of a curing agent, 0.5-1.5 parts of a dispersing agent, 2-4 parts of a toughening agent and 1-2 parts of nano silicon dioxide, and the toughening agent comprises aminopropyl terminated polydimethylsiloxane and epoxy modified polydimethylsiloxane; the temperature response type printed color-changing fabric prepared by the method has excellent wear resistance and durability.

The application belongs to the technical field of modified functional fibers, and particularly relates to a manufacturing method of high-bulkiness special-shaped hollow fibers. The low-crystalline polyester chip is obtained by modifying the polyester, and the functional components such as graphite and tourmaline are introduced, and the high-bulkiness special-shaped hollow fibers are prepared by using a special-shaped spinneret to melt and spin, so that the hollow degree and bulkiness of the fibers are effectively improved, good breaking strength is obtained, and the oxygen index is effectively increased.

The utility model belongs to the technical field of tires, and relates to a tire. A plurality of circumferential grooves extending in the circumferential direction of the tread divide the pattern structure into a middle pattern rib, a left pattern rib, a left shoulder pattern rib, a right pattern rib and a right shoulder pattern rib; first transverse grooves and second transverse grooves which are arranged at intervals are circumferentially distributed in the middle pattern ribs, five middle transverse cutter grooves which are parallel to one another and have the same inclination angle are formed between the two first transverse grooves, and the inclination angle of each middle transverse cutter groove ranges from 40 degrees to 70 degrees; the first transverse cutter groove is connected with the first transverse groove, the other end of the first transverse cutter groove extends to the circumferential groove, the second transverse cutter groove is formed between the first transverse groove and the second transverse groove and is not connected with the first transverse groove and the second transverse groove, the two ends of the third transverse cutter groove are communicated with the circumferential groove, the two ends of the fourth transverse cutter groove are closed, and the fifth transverse cutter groove is connected with the first transverse groove. And the other end extends to the circumferential groove. According to the utility model, the compatibility of the rigidity of the tread pattern structure of the tire is optimized, so that the dry land performance and the snowfield performance of the tire are both considered.

The application provides a double-nut type high-temperature exhaust pipeline sliding support and locking method, and belongs to the technical field of sliding supports. The sliding support comprises a sliding support assembly, a sliding groove, a fixing assembly, a limiting assembly and an elastic assembly. The sliding groove is arranged on the sliding support assembly. The fixing assembly is detachably arranged on the sliding groove. The fixing assembly comprises a bolt, a steel gasket, a first nut and a second nut. The steel gasket, the first nut and the second nut are movably arranged on the bolt in sequence along the axial direction of the bolt. When the pipeline is slightly shaken due to the self weight and ship vibration, the sliding support remains in a stationary state. When the pipeline is axially elongated due to heat, the sliding support can easily realize the sliding function. The double-nut self-locking function can prevent the nut from loosening and falling off. The stress borne by each part is far less than the allowable stress, so that the long-term use of the sliding support assembly can be ensured.

This invention discloses a positioning stent for convenient fixation and safe removal within human blood vessels, relating to the field of surgical medical device technology. The positioning stent comprises: a metal wire stent with multiple pointed positioning spikes, each spike including an inner metal wire and a covering layer; the inner metal wire is connected to the metal wire of the metal wire stent, the diameter of the inner metal wire being smaller than the diameter of the metal wire of the metal wire stent; the covering layer is conical and made of a biodegradable material; the tips of the inner metal wires and the tips of the covering layer are spaced a predetermined distance apart, and the middle portion of the inner metal wire forms a spiral portion; after the covering layer degrades, the spiral portion changes from a compressed state to an extended state, allowing the inner metal wire to pierce the blood vessel wall, with a predetermined gap between the blood vessel wall surface and the surface of the metal wire stent. This invention achieves reliable stent fixation and safe removal.

This utility model relates to the field of base technology and discloses a vertical machining center base with a spiral chip removal groove. It includes an inclined rail, a base fixedly connected to the outer wall of the inclined rail, a dust cover fixedly connected to the outer wall of the base, multiple first motors fixedly connected to the inner wall of the base, drive shafts fixedly connected to the output ends of the first motors, a chip removal groove fixedly connected to the inner wall of the base, multiple spiral rods slidably connected to the inner wall of the chip removal groove, a limit block fixedly connected to the outer wall of the chip removal groove, and worktables slidably connected to the inner wall of the chip removal groove. A housing is fixedly connected to one side of each of the multiple worktables, and a second motor is fixedly connected to the inner wall of the housing. In this utility model, the coordinated structure of the inclined rail, first motors, and spiral rods allows chips to accurately enter the chip removal groove, achieving concentrated chip collection, improving chip removal smoothness and efficiency, reducing jamming faults, and lowering maintenance costs.

An apparatus (100) for refrigeration and / or deep-freezing, comprising a housing (18) and a refrigeration system (19), the refrigeration system (19) comprising a compressor (1) with substantially horizontally acting pistons and at least two mounting legs (2), a vibration damper (4) being arranged between the respective mounting leg (2) of the compressor and a base (3), the vibration damper (4) comprising: an elastic member (5) configured as a flat tubular member (7) and having a bottom side (8), a top side (9) and lateral sides (11, 12) extending parallel to a longitudinal axis of the tubular elastic member (5) and connecting the bottom side (8) and the top side (9); a mounting part (6) being arranged centrally on the top side (9) of the elastic member and being a material-locked integral member therewith, wherein, during operation of the apparatus (100), the longitudinal axis of the flat tubular element (7) is perpendicular to the horizontal direction of the operating pistons of the compressor (1).

The utility model belongs to food packaging technical field provides a kind of combination formula packing barrel of instant food, including the outer bucket for heat insulation, the inner bucket is nested and is arranged in the outer bucket, the inner wall of the outer bucket is attached with the outer wall of the inner bucket Setting to provide support to the inner bucket, the inner bucket is integrally formed by vacuum forming process, longitudinal partition is formed in the inner bucket to separate the accommodation space in the inner bucket into at least two independent brewing cavities, the opening of multiple brewing cavities is communicated with the open mouth of the upper portion of the inner bucket. The utility model embodiment provides a kind of combination formula packing barrel of instant food has the advantages of multiple taste instant food, low cost, low weight, and not easy to deform in the process of water injection, end, transportation.

This utility model discloses a forklift mast and forklift, including a mast body and a fork carriage. A plurality of first roller groups are provided between the fork carriage and the mast body for relative sliding in a vertical direction. These first roller groups are arranged side-by-side along the left-right direction of the fork carriage. Each first roller group includes multiple rollers disposed on the same side of the fork carriage and distributed vertically. The multiple rollers also include at least two second main rollers located between the first upper main roller and the first lower main roller. Furthermore, the multiple rollers also include at least one second side roller located between the first upper side roller and the first lower side roller. By increasing the number of rollers, this utility model improves the stress distribution on the rollers, thereby reducing the risk of roller failure due to overload and enhancing the overall stability between the fork carriage and the mast body.

The application discloses a kind of automatic disassembling device of waste battery residual energy utilization, including: discharging unit, interface unit and disassembling unit;The discharging unit and disassembling unit are arranged on the two sides of interface unit, the discharging unit is used to place the waste battery to be broken and disassembled in fixed position, and residual energy in battery is collected by discharging unit, and then the residual power in waste battery is used to power supply equipment;The interface unit will transfer the discharged battery from the discharging unit to the disassembling unit;The disassembling unit is used to cut off the upper and lower cover of battery, and push out the electrode plate in battery and break the battery shell.The device is simple in structure, compact, fully automated operation;Reduce the motion precision requirement of moving parts, improve the reliability of the device;At the same time, the residual energy in the battery is recycled, to avoid the waste of energy.

The utility model belongs to the technical field of ship pipe fitting machining devices, and particularly relates to a ship pipe fitting bending device which comprises a machining table, a fixing mechanism fixedly connected to the right side of the top of the machining table, a heating mechanism fixedly connected to the middle of the top of the machining table, and conveying mechanisms fixedly connected to the front side and the rear side of the middle of the top of the machining table. The left side of the top of the machining table is fixedly connected with an extrusion mechanism, and the top of the machining table is fixedly connected with a limiting column. According to the utility model, the heating mechanism is arranged, so that the pipeline is not easy to break when being bent; the bending part of the pipe fitting is located in the heating cylinder, an induction coil is powered on to heat the pipe fitting, and the pipe fitting is rotated by controlling a second hydraulic telescopic rod and a rotating motor, so that the bending part of the pipe fitting is heated more uniformly, the pipe fitting is bent easily, and the pipe fitting is not prone to breakage.

The utility model relates to multilayer ceramic capacitor technical field, concretely to a new multilayer ceramic capacitor with protection structure, include: support, the both ends tin soldering of support have capacitor body, the downside of support is equipped with two groups of support structure, the support structure includes first connecting piece, two groups first connecting piece are connected in the both ends of support bottom surface through tin soldering, the surface of first connecting piece integrative buffering piece has, the bottom of buffering piece integrative second connecting piece forms. The buffering piece of utility model setting is inclined and presents the zigzag shape structure, can reduce buffering piece's rigidity in vertical and left and right direction, improve the deformation sensitivity of support structure, and the bottom of two groups buffering piece is located left and right sides of support respectively, can increase the floor area of device, and then guarantee that device can stably place on the substrate, be convenient for translation activity and will not tip over, improve the convenience of welding.

The invention discloses a flexible micro electrical stimulator capable of being wound and adhered to peripheral nerve tracts and a preparation method and application thereof, and relates to the technical field of crossing of neural engineering, bioelectronics and medical instruments. A first insulation layer, a first friction electrode layer, a middle isolation layer, a second friction electrode layer and a second insulation layer are assembled layer by layer; the first insulation layer and the second insulation layer are self-adhesion polyurethane layers, and the first friction electrode layer, the middle isolation layer and the second friction electrode layer are packaged in the first insulation layer and the second insulation layer; the first friction electrode layer is a gold foil, and the surface of the gold foil is electroplated with a PEDOT: PSS plating layer formed by a 3, 4-ethylenedioxythiophene monomer and polystyrene sulfonate; the second friction electrode layer is gold foil or aluminum foil. According to the invention, macro-scale contact-separation type friction power generation is realized through ultrasonic driving, and the device has good output performance, long-term stability and nerve stimulation effect.

The present application relates to the field of chemical fiber cake production, and discloses a device for transferring a fiber cake, comprising a placement table and a positioning seat arranged on the placement table, wherein the upper end of the positioning seat is provided with a guide slope, and a guide gasket with low hardness is attached to the guide slope; a vertically floating damping seat and an elastic driving mechanism for resetting the damping seat are arranged below the guide gasket. The guide gasket is provided with an oil outlet hole, the damping seat is provided with a corresponding oil guide hole, and a storage buffer is clamped below the damping seat by a pressing plate; the buffer is provided with an oil supply mechanism corresponding to the oil guide hole and an oil supply mechanism for oil replenishment. The device for transferring a fiber cake avoids hard scraping by using a soft gasket, reduces impact by floating damping, and automatically supplies oil to the oil guide hole by using a storage buffer when pressure is applied, so that the gasket surface is lubricated by oil penetration, and further reduces friction damage; after the pressure is released, the mechanism rebounds and automatically replenishes oil, achieving continuous lubrication and buffering, effectively prolonging the service life of the doffer storage box, and reducing maintenance costs.

This invention discloses a glass fiber reinforced polypropylene material, its preparation method, and its application. The glass fiber reinforced polypropylene material comprises the following components in parts by weight: 55-95 parts polypropylene resin, 10-35 parts glass fiber, and 1-5 parts compatibilizer; wherein the polypropylene resin contains block copolymer polypropylene A and block copolymer polypropylene B in a weight ratio of (2-4):1; the average molecular weight M of block copolymer polypropylene A is... w The mass fraction of the copolymerized ethylene propylene diene monomer (EPDM) phase is 10%-20%, with a molecular weight of 200,000-290,000; the average molecular weight M of the block copolymerized polypropylene B is... w The mass fraction of the copolymerized ethylene propylene diene monomer (EPDM) phase is 11%-17% with a molecular weight ≥340,000. This invention produces glass fiber reinforced polypropylene materials by selecting block copolymers A and B with specific average molecular weights and EPDM phase contents. These materials exhibit strong tensile properties, flexural properties, and unnotched impact resistance under low-temperature conditions.

The utility model discloses a valve equipment technical field's a kind of stem-up ball valve with reverse self-sealing structure, including valve body, the ball body and the flow passage are arranged in the above-mentioned valve body, the sealing structure is arranged in the position of the above-mentioned ball body and the above-mentioned flow passage junction;Its characterized in that, the sealing structure includes the installation groove being arranged in the inner wall of the above-mentioned valve body, the valve seat is arranged in the above-mentioned installation groove, the section of the above-mentioned valve seat is L shape, the above-mentioned valve seat is provided with fixed surface and the sealing surface for being sealed with the above-mentioned ball body cooperation;The above-mentioned installation surface is connected to the above-mentioned valve body, and the above-mentioned sealing surface is located at the one end of the above-mentioned valve seat away from the above-mentioned valve body;By setting L shape valve seat, the rigidity of sealing surface is reduced and its elasticity is improved, and the cooperation compensation ability of sealing pair between valve seat body sealing surface and ball body sealing surface is improved.

This application discloses a battery. The battery of the present invention includes an electrode assembly formed by winding a positive electrode, a first separator, a negative electrode, and a second separator, wherein the second separator is closer to the winding center; at the tail of the electrode assembly, both the first and second separators extend beyond the negative electrode, and a first region and a second region in the extended portion are bonded together to form a composite region, and the length of each extended portion is greater than the length of the composite region; the electrode assembly includes an arcuate region in its width direction, and at least one end of the composite region is located in the arcuate region; the distance between the first end of the negative electrode and the second end of the composite region, the maximum thickness of the separator, and the radius of curvature of the composite region satisfy 1.1 ≤ a 1 ×r 1 ×b 1 ≤100. This invention can effectively reduce wrinkling and folding of the separator at the tail of the electrode assembly winding, reduce the risk of lithium plating, and improve the cycle stability and safety of the battery.

This invention discloses a method and system for determining the spatial relationship of potential hazards based on hierarchical early warning, belonging to the field of computer data processing technology. It includes acquiring historical risk data and real-time environmental data, delineating virtual electronic warning zones, and generating dynamic virtual warning zone data; collecting video stream data and identifying and locating potential hazard targets, generating hazard target identification data, and performing spatial matching analysis in conjunction with the dynamic virtual warning zone data to generate an intrusion determination result; if an intrusion occurs, calculating the three-dimensional spatial clearance distance between the hazard target and the live conductor, and outputting a hierarchical alarm result based on multiple key risk factors; if no intrusion occurs, analyzing and predicting the target movement status and location based on the hazard target identification data to generate an out-of-zone early warning result. This invention employs a data processing method that combines dynamic zoning with quantitative analysis and trend prediction of potential hazard targets both inside and outside the zones, enabling intelligent, precise, and forward-looking risk early warning.

This invention relates to the field of shipbuilding technology, and more particularly to a structural design method and a vessel for a liquid cargo ship. The structural design method for the liquid cargo ship includes the following steps: an independent liquid cargo tank is located in the ship's hold; a first strong rib and a plurality of second strong ribs are fixedly installed within the independent liquid cargo tank along its length. The first strong rib includes an upper rib and a lower rib. The lower rib and the plurality of second strong ribs are arranged at equal intervals along the length of the independent liquid cargo tank, and the upper rib and the lower rib are arranged alternately. The inner wall surface of the ship's hold is provided with a first strong frame and a plurality of second strong frames at intervals; a plurality of anti-buoyancy seats are provided at intervals on the upper surface of the independent liquid cargo tank; and a plurality of support seats are provided on the bottom plate of the ship's hold. This invention enables the load on the anti-buoyancy seats and support seats to tend to be even, thereby simplifying the design, reducing construction difficulty, and reducing construction costs.

The present application relates to the field of bottle blowing machine, especially to a high-precision stable variable distance mechanism in a bottle blowing machine, comprising: a support, a guide blank groove is arranged on the support; a ring-shaped guide rail is arranged on the support, an initial area, a variable distance maintaining area, a bottle pushing area and a material taking area are arranged on the ring-shaped guide rail; a hinge plate assembly is composed of hinge plates which are sequentially hinged together, second and third circular guide members are arranged on the hinge plates, first and second circular guide members are rollingly clamped in the ring-shaped guide rail; a plurality of bottle pushing assemblies are fixed on corresponding hinge plates, bottle pushing assemblies in the initial area are in a non-bottle pushing state, bottle pushing assemblies in the variable distance maintaining area are changed to a bottle pushing state, bottle pushing assemblies in the bottle pushing area are in a bottle pushing state, bottle pushing assemblies in the material taking area cooperate with a material taking mechanism to take out bottle blanks; a sprocket drives the hinge plate assembly to move along the ring-shaped guide rail. The present application is not easy to be stretched during operation, thereby having high stability and high positioning precision.

The application belongs to the technical field of retaining walls, and particularly relates to a reinforced gravity type retaining wall anti-seismic structure, which comprises a first hinged plate, the first hinged plate is movably connected with a second hinged plate through shaft connecting ends at the tail, the same shaft connecting end is arranged on one side surface of the second hinged plate, the first hinged plate and the second hinged plate are connected in a head-to-tail mode, a bottom isolation panel is fixedly installed on the surface of the first hinged plate and the second hinged plate through bolts, and a through groove is arranged on the surface of the bottom isolation panel; through the multi-stage energy buffering mechanism of the arc-shaped elastic plate, the damping shock-absorbing spring, the inner cylinder assembly and the rubber bottom ring, layered absorption and dissipation of seismic energy are realized, the impact of vibration on the structure is weakened, compared with the traditional structure, the load transmission efficiency under the action of the earthquake can be effectively reduced, the structural stress concentration can be reduced, the anti-sliding and anti-overturning capacity of the retaining wall in the medium and high intensity earthquake can be improved, and the safety of the structure core is ensured.

The invention relates to a miniature light-emitting device and a preparation method thereof, the device comprises a light-emitting structure, the light-emitting structure comprises an epitaxial layer and a first bonding metal layer which are stacked in sequence, a first opening is formed in the first bonding metal layer, and the first opening is filled with a self-repairing material; the self-repairing material is a material which is reduced into metal in an environment with a preset temperature; the driving structure comprises a driving substrate and a second bonding metal layer which are sequentially stacked, a second opening is formed in the second bonding metal layer, the second opening is filled with a self-repairing material, and the second bonding metal layer faces the first bonding metal layer and is bonded with the first bonding metal layer.

The utility model provides a kind of water cup stand, including frame body and the fixing member slidable relative to frame body, the frame body both sides are fixed with sliding guide, the fixing member is two groups respectively located each sliding guide on each other sliding and realizes each other close or far away;The projection profile or cross section of the fixing member in the height direction of frame body is arc or V or U and concave one side face each other;The lower end of the side face of the fixing member to another fixing member or the lower end of the side face of two fixing members to each other is equipped with lifting portion, or / and frame body lower end is equipped with the bracket extended between two fixing members;Locking mechanism is equipped between the fixing member and sliding guide.The utility model has the advantages of being suitable for car, motorcycle, bicycle, installation occasion is various, firm and convenient to adjust.

A probe system, a probe card and a probe head are described. The probe head comprises a plurality of probes, an upper guide plate unit and a lower guide plate unit. Each probe is provided with a probe head part, a probe tail part and a probe body part. The needle head part is used for contacting an electronic tested device. The needle body portion extends along a longitudinal development axis between the needle tail portion and the needle head portion. In each probe, a probe body part has a multi-layer structure and comprises a plurality of probe arms and at least one slit. The plurality of needle arms are arranged along the width direction and are separated by the at least one slit, and the at least one slit penetrates through the needle body part along the thickness direction. The plurality of probe arms are converged at an upper key part and a lower key part, the upper key part and the lower key part are respectively provided with a corresponding guide hole for accommodating the vertical contact probe in the upper guide plate unit and the lower guide plate unit, and at least one of the upper key part and the lower key part is positioned in the corresponding guide hole.

This invention discloses an artificial badminton shuttlecock, comprising a head, multiple feather shafts, multiple feather pieces, a first connector, a second connector, and an annular groove. The head includes a top surface, a convex surface, and multiple insertion holes, with the top surface having an outer edge. Multiple insertion holes are located on the top surface. The multiple feather shafts include a front end, a feather piece section, and a middle section, wherein the front ends of each feather shaft are spaced apart and inserted into corresponding insertion holes on the top surface. Adhesive is disposed within the multiple insertion holes to secure the feather shafts to each hole. Multiple feather pieces are respectively connected to the feather piece sections of the multiple feather shafts. Both the first and second connectors connect the middle sections of each feather shaft in an annular strip shape. The first connector is located below the second connector and closer to the top surface. The annular groove is located on the top surface, with a distance W1 between the annular groove and the outer edge, wherein the distance W1 is greater than 0.8 mm and less than 4 mm.

An alignment mechanism for aligning a substrate in a vacuum chamber is provided. The alignment mechanism comprises an actuator configured to be coupled to a chamber wall of the vacuum chamber and a lever pivotably arranged on a first pivot axis. The lever is actuatable by the actuator to be pivoted about the first pivot axis for aligning the substrate. The alignment mechanism further comprises a substrate contact portion. The substrate contact portion is configured for contacting the substrate. The substrate contact portion is pivotably coupled to the lever and is pivotable about a second pivot axis. Furthermore, a vacuum chamber for processing large area substrates is provided, the vacuum chamber comprising an alignment mechanism.