673 results about "Sheet structure" patented technology

The utility model discloses a stacked fire cover, a combustor and a stove, and belongs to the technical field of kitchen electric appliances. The stacked fire cover is formed by alternately stacking a plurality of first laminations and a plurality of second laminations, the first laminations and the second laminations are each of a hollow sheet-shaped structure, the first laminations are provided with concave parts extending in the radial direction of the first laminations, the multiple concave parts are arranged at intervals along the circumferential sides of the first laminations, and a groove is formed between every two adjacent concave parts; the outermost layers of the stacked fire covers are second laminations, and the second laminations attached to the outer surfaces of the concave parts are matched with the single grooves to form single fire outlet holes extending in the radial direction of the first laminations. According to the stacked fire cover, the height of the stacked fire cover can be flexibly adjusted according to needs so as to meet the needs of combustors of different sizes, the design cost and the manufacturing cost can be reduced, and market popularization of products is facilitated. The burner and the stove are low in cost by applying the stacked fire cover, and market popularization of products is facilitated.

The invention relates to a low-dielectric-loss high-thermal-conductivity epoxy resin composite material and a preparation method thereof, and the preparation method comprises the following steps: carrying out surface modification treatment on a thermal conductive filler: carrying out surface modification on the thermal conductive filler by adopting a chemical covalent bonding or physical adsorption mode, the heat-conducting filler is used for improving the compatibility of the filler and an epoxy resin matrix and reducing the interface thermal resistance, and comprises boron nitride with a two-dimensional sheet structure; epoxy resin, a curing agent and an optional modifier are evenly mixed, the epoxy resin is selected from epoxy resin with the low polarity characteristic, and the modifier comprises at least one of thermoplastic resin or elastomer. And the process is simple and controllable.

The present application belongs to the technical field of the voice coil motor's elastic sheet, disclose a kind of plane elastic sheet combination's three-dimensional spring, the three-dimensional spring is applied in voice coil motor to provide the elastic support limiting effect in several directions to moving component, including as independent structure mutually contact fixed connection plane elastic sheet A and plane elastic sheet B, wherein the included angle of plane elastic sheet A and the plane of plane elastic sheet B is not zero.The present application is optimized to two or more independent plane elastic sheet structure assembly to form three-dimensional elastic sheet by integral bending type elastic sheet, to reach the multidirectional elastic support / limiting effect of three-dimensional elastic sheet while also being able to avoid the structural defects caused by bending, and compared with other solutions, its cost is lower, and can be assembled to form different structure elastic sheet according to demand, with higher adaptability.

The application provides a kind of iron phosphate material, its preparation method, positive electrode material, positive electrode sheet and secondary battery.The titanium element is doped in the iron phosphate material, at least part of the surface of the primary particle of the iron phosphate material is in laminated structure, in the multiple sheet layers of laminated structure, any two adjacent sheet layers are located on the side of each other respectively.The laminated structure forms a short-range ordered morphology, avoids the situation that sheet layer horizontal and vertical staggered causes space waste, can make the specific surface area and contact area of primary particle are more significantly improved.Moreover, the titanium element is also doped in the iron phosphate material, titanium element makes the iron phosphate material produce defects in the process of crystallization, hinders the growth of iron phosphate in a particular direction, is beneficial to the formation of laminated structure on the surface of iron phosphate particle.

The invention relates to a basalt reinforced high-density polyethylene composite material as well as a preparation method and application thereof. The basalt reinforced high-density polyethylene composite material comprises high-density polyethylene, a modified basalt reinforced filler and a compatibilizer, the basalt reinforced filler comprises modified basalt fibers and modified basalt scales. The modified basalt fibers and the modified basalt scales are added into the high-density polyethylene, the modified basalt fibers construct a three-dimensional supporting network to bear main loads, and the sheet structures of the modified basalt scales can prevent the material from deforming in the two-dimensional direction; the basalt reinforced high-density polyethylene composite material and the preparation method thereof have the advantages that the mechanical strength of the basalt reinforced high-density polyethylene composite material is enhanced synergistically, the prepared basalt reinforced high-density polyethylene composite material has the advantages of excellent mechanical strength, good wear resistance and corrosion resistance and the like, and the long-term use requirement of the material in a sea wave high-frequency friction environment is met.

The application discloses a kind of high-performance coiled material powder coating and preparation method thereof, belong to powder coating technical field, the application is by the compounding of organosilicon modified epoxy resin and carboxyl-terminated polyester resin, after organosilicon modification, the segment of introduction-Si-O-Si in system has high flexibility, and synergistic effect with nano calcium carbonate, it is helpful to balance the adhesion and flexibility of coating, grafting modification graphene oxide, active chromium oxide is added again, can obviously improve the mechanical strength of coating;After then, phosphite group is grafted onto graphene oxide, and is applied in the present powder coating system, can form three-dimensional network structure in system, chemical bond effect, not only can improve its crosslinking stability in system, and the sheet structure of graphene oxide, also can play certain barrier property, can also give coating longer weather resistance, and active chromium oxide synergistic effect is further improved, and the weather resistance and corrosion resistance of coating.

The invention discloses a novel insulating silicone rubber packaging material with a self-fusion characteristic, high voltage resistance and weather resistance. The material is prepared from raw methyl vinyl silicone rubber, fumed silica as a reinforcing filler, modified vinyl MQ silicone resin as a tackifier, hydroxyl silicone oil as a structure control agent, modified aluminum hydroxide and the like as raw materials, has a self-fusion characteristic, can be autonomously bonded to form a seamless insulating layer through contact pressing of two lap joint surfaces, and has the initial peel strength of 3.5 N / mm and the tensile strength of 95N / mm. The secondary fusion strength retention rate exceeds 90%; the power frequency withstand voltage under the thickness of 2mm is greater than or equal to 45kV, the power frequency withstand voltage under the thickness of 4mm reaches 66kV, and the volume resistivity is gt; and 1 * 10 < 12 > omega.m, which is improved by more than 50% compared with the traditional material. The product gives consideration to both mechanical performance and weather resistance, the thick wing-shaped sheet structure is adaptive to special-shaped equipment and can be installed in an electrified mode, and an innovative insulation protection scheme can be provided for power transmission and transformation equipment.

The utility model relates to a glass clamp with a gasket, which comprises a base, a U-shaped accommodating groove formed on the base, and a gasket arranged in the accommodating groove, a first part and a second part which are oppositely arranged are arranged on two sides of the accommodating groove; the gasket is installed in the containing groove and is of a U-shaped sheet-shaped structure, and a clamping groove capable of clamping glass is formed between the gasket and the containing groove; a third part and a fourth part which are oppositely arranged are arranged on the two sides of the clamping groove; the first magnetic attraction assembly is located between the first part and the third part and can magnetically attract the third part of the gasket to the first part; the second magnetic attraction assembly is located between the second part and the fourth part and can magnetically attract the fourth part of the gasket to the second part.

The invention discloses functionalized graphene for removing tritium from radioactive waste liquid and a preparation method and application of a graphene film, the functionalized graphene is a flaky substance formed by stacking lamellar structures, and the distance between the stacked lamellar structures is 7.5-8.7. The preparation method comprises the following steps: preparing graphene oxide powder; performing sulfonation on the graphene oxide powder to obtain sulfonated graphene aerogel; performing carboxylation on the graphene oxide powder to obtain carboxylated graphene; and mixing and stirring the sulfonated graphene aerogel and carboxylated graphene to obtain the functionalized graphene. The tritium in the tritium-containing liquid is separated by utilizing the membrane formed by the functionalized graphene, and the tritium removal technology has the advantages of mild reaction conditions, low energy consumption, easiness in large-scale production and the like.

A method for producing layered sheet structures from titanium or titanium alloy metal for use in or as electrodes of PEM-type electrolyzers or fuel cells. The method includes providing a first sheet-like green part with voids or open spaces, where first sheet-like green part is a green part of a first metal sheet layer. The method alternatively includes providing a first metal sheet layer comprising a metallic frame structure with voids or open spaces. The method further includes providing a second sheet-like green part, where second sheet-like green part is a green part of a second metal sheet layer, which is porous. The method alternatively includes providing a second metal sheet layer, which is porous. The method further includes forming a stack with a combination of the first and second sheet-like green part and the first and second metal sheet. The method further includes bonding the metal sheet layers.

The invention discloses a method for synthesizing a nanosheet NaY molecular sieve. The method comprises the following steps: 1) mixing and stirring a water glass solution and a high-alkali sodium metaaluminate solution through high-speed shearing, standing and aging to obtain a Y-type molecular sieve structure-directing agent; 2) mixing, stirring and premixing the water glass solution, the Y-type molecular sieve structure directing agent, the aluminum sulfate solution and the low-alkali sodium metaaluminate solution through high-speed shearing to obtain initial reaction gel; and 3) crystallizing, filtering, washing and drying the obtained reaction initial gel to obtain the Y-type molecular sieve. According to the method, materials are efficiently dispersed and mixed through high-speed shearing force under the condition of no template agent, the mixing uniformity and reaction efficiency of the materials are remarkably improved, the aging time of the guiding agent is shortened, and the method is suitable for industrial continuous production. The obtained nano NaY molecular sieve is of a sheet structure, the particle size is smaller than or equal to 550 nm, the specific surface area is larger than or equal to 715 m / g, the crystallinity is 94-102%, and the nano NaY molecular sieve has an excellent pore channel structure and diffusion performance.

The utility model discloses an improved socket copper sheet structure, which comprises an extension piece, two ends of the extension piece are respectively provided with a linear contact part, one side end part of the linear contact part is folded and bent towards the inner side wall to form a crank arm part, one end of the crank arm part is connected with an elastic clamping sheet, and a pin clamping channel is formed between the elastic clamping sheet and the side wall of the corresponding linear contact part. The inner side walls of the elastic clamping pieces are arc-shaped clamping faces, the lower portions of the elastic clamping pieces extend downwards in an inclined mode to form receding sections, and anti-interference gaps are formed between the receding sections and the plug pins. The utility model aims to provide a pin clamping channel formed by an elastic clamping sheet and a linear contact part, and a traditional straight contact surface is improved into a clamping structure in which an arc-shaped clamping surface is matched with a linear surface. The problem that traditional large-area straight contact is poor in adaptability to deflection of the pins is solved, meanwhile, stamping burrs are isolated in a non-contact area through an anti-interference gap formed by the anti-interference gap and the avoiding section, and the phenomenon that the burrs scratch the surfaces of the pins and the abnormal temperature rise phenomenon of the contact surfaces is avoided fundamentally.

The utility model provides a multi-segment splicing bending test loading device for shield tunnel lining segments, and belongs to the field of lining segment tests. The device comprises a door-shaped support and a to-be-detected segment unit, the to-be-detected segment unit is of an arc sheet structure formed by splicing a plurality of to-be-detected segments, the to-be-detected segment unit is arranged below the door-shaped support, and supporting plates abutting against the ends of the to-be-detected segment unit are arranged on the two sides of the bottom of the door-shaped support respectively. The two supporting plates are obliquely arranged towards the to-be-tested segment unit, a pressure loading mechanism is arranged on a top cross beam of the door-shaped support, and the pressure loading mechanism is configured to move towards the outer cambered surface of the to-be-tested segment unit. By adopting the multi-segment assembly bending test loading device for the shield tunnel lining segments, provided by the embodiment of the utility model, the problem that the accuracy of a test result is relatively low in the prior art can be solved.

Provided is a sheet structure wherein a decorative effect of an outer surface of the sheet structure can be improved and a lid body is easily recognizable by a user. This sheet structure (1) has a sheet layered body in which a plurality of sheets are layered, and a packaging body (20) in which the sheet layered body is packaged. The packaging body has a packaging sheet (21) that has an opening (7), and a lid body (22) that covers the opening in a freely openable / closeable manner. The sheet layered body has an upper surface (15) where the lid body is positioned, a lower surface (16) opposite from the upper surface, and a side surface that is positioned between the upper surface and the lower surface and extends in the height direction. The packaging sheet is provided with a toy design section (80) that extends across the upper surface and the side surface and is for use as a toy. An outer edge section (29) along an outer edge of an outer surface of the lid body has a single-color region (RC) to which a single color has been applied, said color differing from that of an adjacent region (28) that is adjacent to the outer edge of the lid body and is in the packaging sheet. The single-color region is provided in a range that is 50% or more of the entire outer edge section.

The invention provides a display type perfume color box with a tearing fragrant sheet structure, which comprises an outer box and an inner box, and an upper buffer inner clamping seat is arranged at the top of an inner cavity of the outer box; an upper outward turning part and a lower buffering part are formed in the inner box, the lower buffering part is filled with a solidified culture medium layer, and a plurality of upper embedding grooves corresponding to the tops of perfume bottles are formed in the lower surface of an upper buffering inner clamping seat in a circumferential array mode; the positions, corresponding to the upper embedding grooves, of the upper surface of the outer box are correspondingly provided with fragrant sheet tearing structures; the tearing perfumed tablet structure comprises a storage groove, a perfumed tablet, a tearing surface and a coating; a plurality of lower embedding grooves corresponding to the bottoms of the perfume bottles are formed in the upper surface of the solidified cultivation substrate layer in a circumferential array mode. A seed pre-buried layer is arranged in an inner cavity in the middle of the solidified culture medium layer; the upper surface of the solidified culture substrate layer is covered with a PLA degradable film layer; a tearing perfumed tablet structure is arranged, interaction with consumers is achieved through the tearing perfumed tablet, and the use experience feeling of users is improved; and therefore, the environment-friendly concept is met.

This invention discloses the application of a positive electrode additive, a positive electrode active material, a positive electrode sheet, a solid-state battery and its preparation method, and an electrical device, relating to the field of solid-state battery technology. The positive electrode additive comprises a conductive layered substrate and alkali metal ions. The conductive layered substrate has a multi-layered sheet structure, each sheet structure comprising a polymer chain. Every two adjacent sheet structures are connected by a polyoxometalate crosslinking agent, and alkali metal ions are at least doped between adjacent sheet structures. Using this positive electrode additive to prepare the positive electrode active material improves the specific capacity of the positive electrode and the overall battery, solving the problems of difficulty in conducting electrons and ions in the positive electrode of solid-state batteries, as well as the high additive content. Furthermore, the positive electrode additive has a layered structure and easy slippage characteristics, reducing the contact resistance between the positive electrode active material and the additive, and enabling close adhesion between the positive electrode material and the electrolyte under relatively low external pressure.

The application discloses an optoelectronic device, a preparation method thereof and a display device. The optoelectronic device comprises a first electrode, a photoelectric functional layer, a carrier functional layer and a second electrode which are stacked in sequence, wherein the carrier functional layer comprises inorganic nanoparticles, the inorganic nanoparticles have a sheet structure, and the average sheet diameter of the sheet structure is greater than or equal to 50 nm. The optoelectronic device has high light emitting efficiency.

The utility model discloses a special tool for opening a cotter pin, which relates to the technical field of cotter pin disassembly and assembly and comprises a pair of clamp bodies with hinge holes in the middle, the clamp bodies are hinged to the hinge holes, and positioning pins are rotatably connected in the hinge holes. The plier body comprises a plier head, a plier handle, a side pressing block, a blade, an excess material groove and a front pressing block; the side face pressing block and the front face pressing block are of rectangular sheet structures perpendicularly fixed to the side face and the front face of the tip end of the plier head. The excess material groove is formed in the opposite surface of the plier head; the cutting edges surround the side of the excess material groove and are positioned on the opposite surfaces of the paired tong heads; the blades comprise front blades and side blades; the operation flexibility when the cotter pin is cut off is improved by arranging the cutting edges on the multiple sides; by arranging the side face pressing block and the front face pressing block, the function of clamping and pressing the cotter pin can be conveniently achieved under the working condition of all angles, by arranging the excess material groove, the cotter pin can be stored after being cut off, and the situation that the cotter pin flies to cause personnel injury or is left in a site is avoided.

The invention discloses modified boron nitride and a preparation method thereof, polyvinyl chloride leather and a preparation method thereof, and an automobile part. The modified boron nitride comprises a core body and a shell, the shell covers the core body, the core body comprises boron nitride, and the shell comprises multivalent metal ion cross-linked alginate. Therefore, polyvalent metal ions have a catalytic carbonization effect, alginate has intrinsic flame retardance, and the flame retardance of polyvinyl chloride (PVC) leather can be enhanced by applying the modified boron nitride to the PVC leather; the modified boron nitride has a sheet structure, and the sheet structure can form a stacked and complex composite structure in the PVC leather, so that the migration of a plasticizer in the PVC leather is reduced, and the atomization value of the PVC leather is reduced; boron nitride has good thermal conductivity, and can significantly improve the thermal conductivity of the PVC leather.

The utility model discloses a detachable assembly type infrared heating cage which comprises a movable base, a plurality of heating sheet assemblies are connected to the movable base, each heating sheet assembly comprises a frame base body, and a plurality of heating strips arranged in parallel are fixedly installed on the surface of each frame base body. The plurality of heating sheet assemblies are sequentially and detachably connected end to end through the corner connectors to form a sheet-shaped structure, the corner connectors are provided with first fixing holes and second fixing holes, and the first fixing holes and the second fixing holes are respectively used for connecting the frame base bodies of the two adjacent heating sheet assemblies. According to the utility model, the plurality of heating sheet assemblies are detachably connected through the corner connectors, so that the shape and the size of the infrared heating cage are changed, and the applicability of different products in different vacuum chambers is improved.

This invention relates to the field of aluminum alloy technology, specifically to a manufacturing process for a heat-resistant aluminum alloy. The aluminum alloy comprises the following raw materials: copper, silicon, magnesium, zinc, manganese, nickel, titanium, lithium, aluminum, and a heat-resistant filler. Alumina-coated porous silicon carbide nanosheets are prepared as the heat-resistant filler and added during the aluminum alloy manufacturing process. The porous structure of the silicon carbide nanosheets allows for a snap-fit ​​bond with the alumina film, ensuring good stability of the alumina film and preventing easy detachment. The good compatibility between the alumina film and the aluminum alloy matrix ensures a tight bond between the prepared heat-resistant filler and the aluminum alloy matrix, resulting in uniform dispersion within the matrix. The unique sheet-like structure of the heat-resistant filler forms a uniform heat-insulating layer within the aluminum alloy matrix, thus giving the prepared aluminum alloy excellent heat resistance.

The coil spring with the reinforcing pieces comprises a coil spring body, the coil spring body comprises elastic reeds extending in the spiral direction, an elastic inner side end and an elastic outer side end, and an included angle is formed between the elastic inner side end and the elastic reed corresponding to the elastic inner side end to form a bent section; the reinforcing sheet structure comprises a reinforcing sheet body extending in the spiral direction, a reinforcing inner side end and a reinforcing outer side end, and an included angle is formed between the reinforcing inner side end and the reinforcing sheet body corresponding to the reinforcing inner side end to form a first limiting space; the reinforcing piece body is wound by at least one circle, the reinforcing outer side end passes through the reinforcing inner side end, and a second limiting space is formed by a gap between every two adjacent circles of reinforcing piece bodies. According to the coil spring with the reinforcing piece, the reinforcing piece structure is arranged on the inner coil section of the coil spring, stress generated in the winding and releasing process of the elastic reed is dispersed to the reinforcing piece body of the outer ring, fatigue cracks are prevented from being generated, and the service life of the coil spring is prolonged.

The utility model relates to the field of blade lightning protection systems, and particularly discloses a novel blade lightning protection system grounding metal net connecting structure which comprises a main metal net laid on the surface of a blade, a grounding structure metal net attached to the main metal net, a grounding structure metal plate arranged on one side of the grounding structure metal net and a lightning arrester. The grounding structure metal plate is of a thin plate structure and comprises a first metal plate body and a second metal plate body, the first metal plate body and the second metal plate body are located on the two sides of the grounding structure metal net respectively, and the first metal plate body and the second metal plate body are oppositely arranged. The lightning arrester sequentially penetrates through the first metal plate, the grounding structure metal net and the second metal plate.

The application discloses a magnesium-neodymium alloy and a preparation method thereof, and relates to the technical field of magnesium alloys.The alloy comprises the following preparation raw materials: magnesium ingot, neodymium, yttrium and modified nickel oxide; the modified nickel oxide comprises the following preparation raw materials: graphene oxide, polyaniline, nickel oxide, silane coupling agent and aluminum.In the application, the modified nickel oxide is prepared from graphene oxide, polyaniline, nickel oxide, silane coupling agent and aluminum; graphene oxide and nickel oxide are both sheet structures; under the action of the silane coupling agent, the sheet structures interact; thus, the stability of the nickel oxide in the magnesium alloy matrix is improved, and the corrosion resistance of the matrix is improved.

The invention provides a water-cooled biaxial-biradial hybrid magnetic flux hub motor which comprises an arc-shaped silicon steel lamination, a cross-shaped block iron core, four rotors, an exciting winding, a straight cooling water channel, a straight cooling fin, four stator brackets and a main shaft, wherein the cross-shaped block iron core is of an axial-radial arc-shaped silicon steel lamination structure; and the plurality of cross-shaped block iron cores are combined into a biaxial-biradial four-stator iron core along the circumferential direction. The four-stator iron core is provided with a biaxial excitation winding, and the biaxial excitation winding provides four-stator mixed magnetic flux. Direct cooling water channels are arranged in the middles of the four stator iron cores, and direct cooling fins are arranged among the exciting windings and are of a heat conduction carbon fiber composite material structure. And the four-stator bracket adopts a carbon fiber composite material structure, is arranged between the radial left inner rotor and the radial right inner rotor, and is fixedly connected with the main shaft. By using the water-cooled biaxial-biradial mixed magnetic flux hub motor, the power density can be improved, and the heat dissipation effect can be enhanced.

The utility model discloses an elastic sheet structure applied to stove installation, which comprises a stove body and a plurality of elastic clamping sheets, the stove body is detachably connected with an installation hole site, the shape of the installation hole site corresponds to that of the stove body, a plurality of clamping positions are arranged on the edge of the stove body in the vertical direction, and the elastic clamping sheets are clamped in the clamping positions. The elastic clamping piece comprises a first connecting part used for being inserted into the clamping position and a second connecting part used for abutting against the mounting hole position, the first connecting part is elastically connected with the second connecting part, the first connecting part is vertically arranged, and the included angle between the second connecting part and the first connecting part ranges from 20 degrees to 80 degrees. The multiple elastic clamping pieces are inserted into the edge of the stove body, when the stove body is placed in the mounting hole position, the elastic clamping pieces deform and slide into the lower portion of the mounting hole position, the elastic clamping pieces lose pressure to reset and abut against the mounting hole position, and therefore the stove body is fixed; compared with a traditional glue fixing mode, the cooker body is simpler and quicker to mount and dismount.

The utility model relates to the technical field of stage lamps, in particular to an atomizing sheet structure convenient to disassemble. The whole atomization sheet structure is divided into the first plate and the second plate, the first plate is provided with the matching piece, the second plate is provided with the atomization sheet, the height difference exists between the first plate and the supporting plate through the connecting plate, and the supporting plate is detachably connected with the second plate, so that the atomization sheet structure has the detachable function, and meanwhile, the atomization sheet structure is convenient to use. Due to the fact that the matching piece is a necessary structure for achieving rotation of the atomization piece structure on the stage lamp, the supporting plate, the connecting plate and the matching piece are arranged on the same plane of the first plate, and the compactness of the atomization piece structure can be prevented from being damaged by means of the height of the matching piece.

The invention provides an epoxy modified cement-based material, the epoxy modified cement-based material comprises an organic phase structure and inorganic crystals, and the inorganic crystals are radially distributed on the surface of the organic phase structure; the organic phase structure is a spherical or sphere-like structure with the diameter of 3-15 microns; the inorganic crystal is of a needle-shaped, rod-shaped or sheet-shaped structure with the length being 0.3-3 microns and the diameter being 0.05-0.5 microns. The epoxy modified cement-based material disclosed by the invention shows good adhesion and dispersion resistance under water or in a humid environment, can realize rapid underwater construction, and keeps stable performance for a long time under harsh conditions such as a marine environment and a humid environment; the engineering requirements of multiple fields such as building structure repairing, underwater repairing, rapid first-aid repair, ocean protection and road and bridge engineering are met, and the integration of high strength, high toughness, strong interface bonding and long-acting durability is realized.

The utility model relates to the technical field of rotor punching sheets, in particular to a rotor punching sheet structure, which comprises a rotor punching sheet and a stator, the stator is arranged on the outer side of the rotor punching sheet, a plurality of groups of V-shaped magnetic steel grooves are arranged on the rotor punching sheet, four V-shaped magnetic steel groove positions are oppositely arranged on the edge of each V-shaped magnetic steel groove, outer diameter air magnetic isolation grooves are arranged at two ends of each V-shaped magnetic steel groove, and the outer diameter air magnetic isolation grooves are arranged in the outer diameter air magnetic isolation grooves. A plurality of V-shaped magnetic steel grooves are formed in the rotor punching sheet, magnetic steel bodies located at linear groove bodies are placed in the V-shaped magnetic steel grooves, an inner magnetic bridge is arranged between every two adjacent V-shaped magnetic steel grooves, a plurality of outer magnetic bridges located on the outer sides of the V-shaped magnetic steel grooves are arranged on the outer side of the rotor punching sheet, and de-weight holes and V-shaped magnetic steel grooves with large openings in pin hole punching sheets are formed in the rotor punching sheet in an annular array mode. The reluctance torque of the motor can be generated, and the output torque of the motor can be increased; the punching sheet body is provided with the air magnetic isolation grooves, the pole radian coefficient of the magnetic pole can be adjusted, and magnetic leakage of the magnetic steel can be reduced.

The application discloses a high-speed connector, comprising: an insulating body, containing a first terminal group, a second terminal group, a third terminal group and a fourth terminal group, each terminal group is provided with a base, a groove is formed in the base, the groove contains a metal sheet, the base holds a plurality of ground terminals and a plurality of differential terminals, the third terminal group and the fourth terminal group respectively include a sheet structure with plastic material, which is arranged in the groove of the third terminal group and the fourth terminal group, a gap is formed between a plurality of the differential terminals and the sheet structure, and a plurality of the ground terminals and the sheet structure do not have the gap. Therefore, the high-speed connector adjusts the dielectric coefficient of the structure around the terminal, changes the electromagnetic characteristics and crosstalk interference, and improves the quality of high-frequency signal transmission.