265results about How to "Reduce manufacturing difficulty" patented technology

The utility model discloses an oil-gas separation mechanism and an engine, the oil-gas separation mechanism comprises an air inlet cam shaft, a chain wheel, a centrifugal separation disc and a breather pipe, and the air inlet cam shaft is provided with a first channel penetrating through the two ends of the air inlet cam shaft; the chain wheel is meshed with a timing chain of an engine and used for driving the air inlet cam shaft to rotate. The centrifugal separation disc is connected with one end of the air inlet cam shaft and provided with a separation cavity, the separation cavity communicates with the first channel, fan blades are arranged in the separation cavity, the centrifugal separation disc rotates to suck mixed oil gas into the separation cavity, and the fan blades guide gas into the first channel and throw engine oil out of the separation cavity. The breather pipe communicates with the end, away from the centrifugal separation disc, of the first channel and is used for exhausting gas in the first channel. According to the oil-gas separation mechanism, the oil-gas separation structure can be arranged on the air inlet cam shaft, the space occupied by the oil-gas separation structure in an engine is reduced, the internal structure of the engine is simplified, and the manufacturing difficulty and manufacturing cost of the engine are reduced.

The utility model relates to a torque fixing sleeve structure for a built-in motor of an electric power-assisted bicycle. The torque fixing sleeve structure comprises a center shaft, a torque sensor, a shell, a circlip for a shaft, a torque fixing sleeve and a fixing screw, the torque sensor is sleeved on the middle shaft, and the axial movement of the torque sensor is limited by the elastic retainer ring for the shaft; the torque sensor is sleeved with the torque fixing sleeve, four right positioning grooves and two left positioning grooves are formed in the two ends of the torque fixing sleeve respectively, and the right positioning grooves and the left positioning grooves are clamped with the inner wall of the shell. The torque fixing sleeve is fixed to the shell through a fixing screw, a wiring port and a wiring channel groove are formed in the torque fixing sleeve, and a sensor wiring harness penetrates through the wiring port and is contained in the wiring channel groove. The problems of high cost, complex structure and difficult maintenance are solved.

The present application relates to a kind of core-pulling module of plastic forming die, including inclined top module, inclined top module includes U-shaped seat block, the directional plate of transverse fixed at the top opening of U-shaped seat block, oblique square column is connected in the directional plate and is active, and the traction strip that is transverse and is arranged in the inside of U-shaped seat block to have front and rear translation function and is connected with the lower end of oblique square column;Inclined top module further includes rotatable connection in the inside rear side of U-shaped seat block transmission gear and rotatable connection in the inside of U-shaped seat block and meshing in the front upper of transmission gear reversing gear;Inclined top module further includes vertical arrangement and meshing in the rear of transmission gear driving rack;The present application reduces both the complexity of the structure of mould, and the processing and manufacturing difficulty of mould, to reach the effect of time-saving and labor-saving and reduce manufacturing cost.

This utility model relates to an intelligent water temperature control module, characterized by comprising a flow regulation module, a pressure balancing module, and a temperature control module. The flow regulation module includes a first valve seat and a flow regulating valve core. The first valve seat has a first cold water inlet channel, a first hot water inlet channel, a flow regulating valve core mounting cavity, a first cold water outlet channel, and a first hot water outlet channel. The pressure balancing module includes a second valve seat and a balancing valve core. The second valve seat has a second cold water inlet channel, a second hot water inlet channel, a balancing valve core mounting cavity, a second cold water outlet channel, and a second hot water outlet channel. The temperature control module includes a third valve seat and a temperature control valve core. The third valve seat has a third cold water inlet channel, a third hot water inlet channel, a temperature control valve core mounting cavity, a mixing chamber, and a mixed water outlet channel. Each module exists independently and is independently controlled, simplifying the control method, reducing control and manufacturing difficulty, improving the control accuracy of water flow and temperature, and allowing for selection and combination of different modules.

The utility model discloses a kind of worm processing comprehensive machine tools, including bed, the upper surface both sides of bed are fixedly installed with two symmetrical distribution primary bearing seat, one number screw rod is rotatably connected between two primary bearing seats, the outer thread of one number screw rod is connected with horizontal slide, the output shaft of one number motor is fixedly connected to one end of one number screw rod, symmetrically distributed secondary bearing seat is fixedly installed in the front and back two ends of horizontal slide, two secondary bearing seats are rotatably connected with two number screw rod, two number screw rod and one number screw rod are perpendicularly arranged between each other, the outer thread of two number screw rod is connected with longitudinal slide, the output shaft of two number motor is fixedly connected to one end of two number screw rod, equipment seat is fixedly installed on the upper surface of longitudinal slide, the machine tool of the utility model whole structure is simple, floor area is small, manufacturing difficulty is low, effectively reduce the enterprise's early purchase and later use cost, with good use economy, suitable for small and micro manufacturing enterprises development use.

This invention relates to the field of medical devices and discloses a liquid chromatography-mass spectrometry (LC-MS) device and a control method for the LC-MS device. The LC-MS device includes a sample storage device, a pretreatment device, a chromatographic element, a mass spectrometry detection device, and a controller. The chromatographic element includes a reagent preparation channel, a reagent transfer assembly, a liquid flow delivery assembly, and a chromatographic column. The liquid flow delivery assembly is used to drive the reagent in the reagent preparation channel through the chromatographic column to adsorb the reagent onto the column, and to drive the liquid flow through the chromatographic column to elute the adsorbed reagent to form the analyte. The pretreatment device uses magnetic separation to pretreatment the sample. The operating pressure of the liquid flow delivery assembly is less than or equal to 20 MPa. This invention reduces the cost of LC-MS devices.

The utility model provides a kind of for bogie's lower bending beam and straddle type bogie frame, the lower bending beam for bogie includes: left vertical plate and right vertical plate;Lower bending beam upper cover plate;Lower bending beam lower cover plate;First sealing plate, the first sealing plate with the horizontal upper cover, horizontal lower cover, left vertical plate and right vertical plate are connected;Air chamber muscle plate, the air chamber muscle plate with the inclined lower cover, left vertical plate and right vertical plate are connected;Second sealing plate, the second sealing plate with the inclined upper cover, air chamber muscle plate, left vertical plate and right vertical plate are connected;The left vertical plate, right vertical plate, lower bending beam upper cover plate, lower bending beam lower cover plate, first sealing plate, air chamber muscle plate and second sealing plate are enclosed to form air chamber.The lower bending beam for bogie of the utility model, sets up second sealing plate and air chamber muscle plate to replace original baffle, while guaranteeing structural strength, reduce manufacturing difficulty, realize 100% detection of air chamber all welds.

The application is suitable for the field of communication technology, and provides a network-on-chip, a network-on-chip generation method, a network-on-chip routing method and an electronic device.The network-on-chip generation method comprises the following steps: generating a logical two-dimensional network topology; the logical two-dimensional network topology comprises a plurality of cross points, and each cross point is mounted with one or more physical nodes; a logical three-dimensional coordinate is allocated to each physical node; the z-axis dimension corresponding to each physical node is determined, and a logical three-dimensional network-on-chip is obtained.In the case that a physical three-dimensional stack is not used, on a two-dimensional plane chip, the logical three-dimensional coordinate is given to each physical node, and different physical nodes are mapped on the corresponding z-axis dimension, so that the advantages of a physical three-dimensional network topology in communication efficiency, delay and bandwidth are obtained, the problems of the network-on-chip with a two-dimensional topology structure in average hop count, communication delay and local hotspot are solved, and the manufacturing difficulty and manufacturing cost are effectively reduced.

The utility model provides a temperature control system and an oxygen pressure leaching device, and relates to the field of hydrometallurgy. The temperature control system comprises a heat exchange piece, a first pipeline assembly and a second pipeline assembly. The heat exchange piece is arranged in the reaction kettle, the heat exchange piece is provided with a heat exchange cavity, and the first pipeline assembly and the second pipeline assembly are both communicated with the heat exchange cavity; the first pipeline assembly comprises a first pipeline and a second pipeline which are connected in parallel, the first pipeline is used for bearing a cooling medium, and the second pipeline is used for bearing a heating medium; the first pipeline, the heat exchange chamber and the second pipeline assembly form a first flowing path; the second pipeline, the heat exchange cavity and the second pipeline assembly form a second flowing path. The temperature control system provided by the utility model solves the technical problems of high cost and high manufacturing difficulty of a reaction kettle temperature control method in the prior art.

A kind of double half-ring type anti-settling buried protection device, including buried cylinder, buried upper cover and two clamps;The buried cylinder is the cylinder that is permeable up and down, the upper end of the buried cylinder is integrally formed with the detection cylinder section for built-in installation and protection gas detector;The buried upper cover can be detachably installed at the upper end of the detection cylinder section, for closing the upper port of the detection cylinder section, so as to protect gas detector when burying;Two clamps are detachably connected together and tightly embrace on the outer circumference of the detection cylinder section;The outer circumference of the clamp is integrally formed with anti-settling half-ring, and two anti-settling half-rings are synthesized into whole circular anti-settling ring.The buried cylinder of the utility model can effectively increase the contact reliability with the earth by two anti-settling half-rings, so that the buried cylinder can be stably fixed in the earth, the pressure capacity of buried protection device is enhanced, and settlement is avoided, and the design of two clamps can effectively reduce the installation difficulty of the whole device.

The application discloses an installation structure and an excimer laser, and relates to the technical field of lasers. The installation structure comprises two cavity fixing plates arranged oppositely, a fixing horizontal plate, an adjusting assembly and guide shafts movably connected with the two cavity fixing plates respectively, the two ends of the fixing horizontal plate are connected with the cavity fixing plates respectively, the adjusting assembly and the fixing horizontal plate are used for arranging a discharge cavity, the adjusting assembly is fixedly connected with the fixing horizontal plate and the discharge cavity respectively, and the adjusting assembly is used for adjusting the position of the discharge cavity, the outer sides of the two cavity fixing plates are both provided with module fixing plates fixed with the guide shafts, and the module fixing plates are used for fixing optical modules. The installation structure and the excimer laser can reduce manufacturing difficulty and adjusting complexity.

This invention discloses a sample introduction and reaction device for detecting pesticide residues in organic solvent extracts using a liquid-phase enzyme inhibition method. The device includes a reaction tube and a cap, which are detachably assembled. The cap seals the reaction tube and contains a hollow column. A sample introduction card is sealed inside the hollow column, and the reaction tube contains enzyme reagents. This invention can be used for the liquid-phase enzyme inhibition method to detect pesticide residues extracted from organic solvents, eliminating interference from organic solvents in the enzyme inhibition detection. The device integrates the sample introduction card and enzyme reagents beforehand, sealing the sample introduction card within the hollow column for easy portability. The hollow column also serves as a support for solvent evaporation from the sample introduction card, facilitating rapid solvent evaporation. The cap and tube serve a dual purpose. This invention features a simple structure, ease of use, simple operation, short detection time, and low cost. It is suitable for on-site testing of large quantities of samples during food distribution and is easy to promote and use.

The utility model discloses a convection reciprocating type flat wire motor stator oil cooling structure which comprises a stator iron core, a stator groove is arranged on the inner side of the stator iron core, copper wires are fully inserted in the stator groove, oil through holes are arranged at the bottom of the stator groove, oil through holes are arranged on the stator iron core close to the outer circle side, and the oil through holes are arranged in multiple groups. The oil through holes are alternately arranged in the transverse direction and the longitudinal direction, every two adjacent transverse oil through holes and longitudinal oil through holes form a group, insulating end rings are installed on the two sides of the stator iron core, each group of oil through holes in the outer circle side of the stator iron core and the corresponding oil through holes in the bottoms of the stator grooves are communicated and sealed to form a closed ring, and the insulating end rings on the same side form a sealed closed ring every other group of oil through holes. According to the utility model, the double-layer oil through holes are arranged on the stator iron core close to the outer circle and the bottom of the stator groove, so that the cooling area of the stator iron core is increased, oil enters the stator iron core from the left side and the right side for convective heat exchange, and the oil is sprayed on a copper wire after circulating once in the stator iron core, so that the heat dissipation efficiency is greatly improved.

A powder adding device, belonging to the field of additive manufacturing technology, is used to solve the problem of difficulty in controlling the accuracy of adding trace amounts of powder. It includes a first adding mechanism and a second adding mechanism. The first adding mechanism is used to convey a first amount of powder or a first type of powder, and the second adding mechanism is used to convey a second amount of powder or a second type of powder. The outlet of the first adding mechanism corresponds to the feeding port of a mixing mechanism, used to add the first amount of powder or the first type of powder to the mixing mechanism; or, the outlet of the first adding mechanism corresponds to the receiving port of the second adding mechanism, used to add the second amount of powder or the second type of powder to the second adding mechanism. The second adding mechanism is equipped with a second adding amount conveying component, used to convey the second amount of powder or the second type of powder to the mixing mechanism. This improves the adding efficiency and the accuracy of the material addition amount.

The utility model discloses a rotor assembly of motor and motor, the utility model relates to motor technical field, and rotor assembly includes: rotor core is sleeved in the outer wall of rotating shaft, and rotating shaft forms the first axial oil cooling channel and first radial oil cooling channel of intercommunication, and rotor core forms the second axial oil cooling channel and second radial oil cooling channel of intercommunication, and the outer wall surface of rotating shaft and the inner wall of rotor core form intercommunication channel, and intercommunication channel is annular and sets up along the circumferential of rotating shaft and surrounds rotating shaft, and first radial oil cooling channel and second radial oil cooling channel all are opposite to set up with intercommunication channel to make intercommunication channel intercommunication first radial oil cooling channel and second radial oil cooling channel. Therefore, when assembling rotor core and rotating shaft, first radial oil cooling channel and second radial oil cooling channel do not need to be aligned and positioned one by one, and the number of first radial oil cooling channel and second radial oil cooling channel does not need to keep consistent, and the manufacturing and assembly difficulty of rotor assembly is reduced.

This invention discloses a control valve, including a valve body, a valve core, and a sealing component. The control valve includes at least five channels, and the side wall has at least five connecting ports that communicate with the valve cavity. Each connecting port includes a first connecting port, which is arranged along the height and circumference of the side wall. Two first connecting ports are arranged along the circumference of the side wall. The sealing component includes a sealing body located between the valve core and the side wall. The sealing body has through holes, the number of which is the same as the number of first connecting ports and they are connected. The through holes are arranged along the height and circumference of the sealing body. Two through holes are arranged along the circumference of the sealing body. The inner surface of the sealing body is an arc surface, and the central angle corresponding to the arc surface of the sealing body is greater than 100 degrees and less than or equal to 180 degrees. This control valve not only enables fluid control of multiple flow paths but also reduces the manufacturing difficulty of the sealing component.

The utility model relates to the field of laser tube, especially a high pressure shielding wiring device and carbon dioxide laser tube, wiring device includes insulating sleeve and base, and the base includes stud and wire column, and the stud is connected on the insulating sleeve, and the wire column is located inside the insulating sleeve, and the one end of stud away from the insulating sleeve is provided with mounting hole, and the first inner taper face has in the top of mounting hole, still include the elastic clamp column for placing in mounting hole, be equipped with the clamping core passageway and the line channel of intercommunication on the elastic clamp column, and the one end of elastic clamp column near stud is equipped with the first outer taper face with the first inner taper face matching, through the cooperation of first inner taper face and first outer taper face, make elastic clamp column can be fastened in mounting hole, then use the pressure cap again and fix elastic clamp column on base, realize the quick clamping of high voltage line, and the core of high voltage line is located in the elastic clamp column, and the core is accommodated through the elastic clamp column, avoids the core bare formation tip, thereby avoids the core high voltage tip discharge when operating.

This invention relates to a layer-by-layer composite electrochromic thin film of Mo-WO3 and Bi-WO3 and its preparation method. The method includes: dissolving tungstic acid in hydrogen peroxide solution to obtain a peroxytungstic acid solution; adding a Bi-containing substance to the peroxytungstic acid solution and heating until the Bi-containing substance is completely dissolved to obtain a bismuth-doped peroxytungstic acid sol; adding a Mo-containing substance to the peroxytungstic acid solution and heating until the Mo-containing substance is completely dissolved to obtain a molybdenum-doped peroxytungstic acid sol; spin-coating the bismuth-doped peroxytungstic acid sol onto a conductive glass substrate and calcining to obtain a bismuth-doped WO3 thin film; and spin-coating the molybdenum-doped peroxytungstic acid sol onto the bismuth-doped WO3 thin film and calcining to obtain a Mo-WO3 / Bi-WO3 thin film. This invention employs a layer-by-layer composite structure design. The Bi-WO3 bottom layer significantly enhances the film-substrate adhesion and improves cycle stability; the Mo-WO3 surface layer ensures high optical modulation rate, fast response, and memory effect, achieving a synergistic performance improvement.

The utility model discloses a hinge assembly with a hanging ring. The hinge assembly comprises a hinge, a connecting plate and the hanging ring, the hinge comprises two hinge plates and a hinge shaft, a shaft sleeve is arranged on one side of each hinge plate, the two hinge plates are hinged to the hinge shaft through the shaft sleeves, the hinge is unfolded to form a flat angle, connecting plates are detachably connected to the lower surfaces of the two hinge plates, and a lifting ring is detachably connected to the upper surface of one hinge plate. The hanging ring is L-shaped or T-shaped and is provided with a fixed bottom plate and a vertical hanging ring, a hanging bar is arranged at the top of the vertical hanging ring, and sawteeth are arranged on the lower edge of the hanging bar. According to the hinge assembly with the hanging ring, the hinge, the connecting plate and the hanging ring are integrated together, hoisting operation is convenient, and all the components are connected stably and are convenient to disassemble; meanwhile, the utility model provides the aviation warning ball using the hinge assembly with the hanging ring, the opening angle of the aviation warning ball can be accurately controlled, and the installation convenience and the use safety are improved.

The present application relates to a buckling-resistant support device and a buckling-resistant control method for a wind power tubular steel tower. The buckling-resistant support device for the wind power tubular steel tower includes: a sliding track circumferentially arranged around the inner wall of the wind power tubular steel tower; a support structure movably arranged on the sliding track, the support structure being capable of contacting the inner wall of the wind power tubular steel tower to provide support for the wind power tubular steel tower; and a control system control-connected to the support structure, the control system being capable of determining the buckling position of the wind power tubular steel tower according to the buckling data of the wind power tubular steel tower, and controlling the support structure to move along the sliding track so that the support structure abuts against the wind power tubular steel tower at the buckling position and provides support for the wind power tubular steel tower to resist buckling. It can reduce the manufacturing cost and difficulty of the wind power tubular steel tower. At the same time, it can adjust the support position of the support structure for the wind power tubular steel tower, enhance its adaptability to various load conditions, and improve the reliability of the wind power tubular steel tower.

The invention discloses an automobile, a braking system, a brake and a state monitoring method of the brake. In the brake, the flange rotor is connected with the motor rotating shaft and is in rolling connection with the stator, so that the flange rotor can rotate relative to the stator along with the brake motor rotating shaft. The slot disc is arranged on the stator; the armature is connected with the flange rotor through an elastic piece so that the armature can reciprocate between the flange rotor and the groove disc in the axis direction of the flange rotor. The permanent magnet generates a first magnetic force on the armature. And under the condition that the coil loses power, the first magnetic force resists the reset pulling force, so that the armature moves towards the groove disc and is correspondingly attracted with the groove disc. After the coil is electrified, a second magnetic force is generated on the armature, the resultant force of the second magnetic force and the reset pulling force resists the first magnetic force, the armature moves towards the flange rotor and is separated from the slotted disc, locking and releasing of the brake motor are achieved, the brake is integrated on the motor, the size, noise and energy loss of a brake system are reduced, and the manufacturing difficulty and the testing difficulty are reduced.

The utility model discloses a Micro LED FPCB (Flexible Printed Circuit Board) bonding pad heightening structure. The Micro LED FPCB bonding pad heightening structure comprises a heat dissipation substrate, a CMOS (Complementary Metal Oxide Semiconductor) circuit chip, an LED chip and an FPC (Flexible Printed Circuit) board, the CMOS circuit chip and the LED chip are connected through flip-chip bonding to form a semi-finished product module, and then the semi-finished product module is fixed on the heat dissipation substrate; the FPC circuit board is arranged on the heat dissipation substrate, and the FPC circuit board and the CMOS circuit chip are arranged at an interval; a golden finger bonding pad is arranged on the FPC circuit board; a heightening mechanism for heightening the position of the golden finger bonding pad so as to reduce the arc height of the bonding wire is arranged above or below the golden finger bonding pad; the heightening mechanism is connected and conducted to the CMOS circuit chip through a gold wire; according to the invention, the height of a wire arc of a welding wire is effectively reduced, the risk of electrical failure of a product caused by too high wire arc is reduced, and the reliability of the product is improved; meanwhile, the use amount of gold threads is reduced by reducing the height of the wire arc, and the production cost is reduced; the performance of the product is improved, and high practical value and economic value are achieved.

The utility model discloses a kind of magnetic keys, including base, upper cover, shaft core, guide column, magnetic element and elastic piece;Guide column can move up and down along the guide ring in base, the top of guide column is equipped with the flange extending to outside side, guide column is provided with the clamping groove that can be engaged with clamping head in it.By with the detachable way of shaft core and guide column connection, form buffer gap, solved the problem that guide column shakes due to the position of pressing shaft core is indefinite;Ensure that guide column only occurs displacement in the case of vertical pressing, improve signal conversion consistency, improve action accuracy.The application also discloses another kind of magnetic key, still includes connecting plate, by with the detachable connection of guide column and connecting plate, shaft core and connecting plate are detachably connected, magnetic element is installed in guide column middle, can avoid that magnetic element is polluted by environment, can restore the touch and sound effect of various traditional mechanical shaft.

The invention discloses a high-speed electro-optical modulator based on a heterogeneous integrated waveguide and a preparation method thereof, and belongs to the technical field of planar optical waveguide optical modulators and preparation thereof. The sensor is composed of a silicon substrate, a silicon dioxide oxide layer, a lead zirconate titanate flat plate layer, a polymer flat plate layer, a first grounding electrode, a signal electrode, a second grounding electrode and a polymer strip-shaped layer from bottom to top in sequence. The polymer strip-shaped layer and the polymer flat plate layer are made of the same material, and the refractive index of the polymer strip-shaped layer is lower than that of the lead zirconate titanate flat plate layer. The polymer flat plate layer prevents direct contact between lead zirconate titanate and the electrode, so that the loss of the modulator is greatly reduced. When an electric field is externally applied, the electric field is uniformly distributed between the signal electrode and the grounding electrode, and the thickness of the polymer flat plate layer and the size of the polymer strip-shaped layer are designed, so that more light fields are controlled in the lead zirconate titanate flat plate layer, and the electro-optical modulation efficiency is further improved. The manufacturing process is simplified, and the method has the advantages of low production cost, high efficiency and the like.

The utility model discloses an assembly type box culvert steel formwork which comprises a steel formwork body, the interior of the steel formwork body is designed to be of a hollow structure, a hollow cavity in the steel formwork body forms an inner formwork cavity of a box culvert, and side formwork frames are fixedly installed on the outer walls of the two sides of the steel formwork body. A plurality of sets of assembling bases distributed at equal intervals are fixedly installed on the outer walls of the two sides of the front end of the side mold frame, each set of assembling bases is composed of two positioning blocks jointly, the two positioning blocks are spaced by a certain distance, and assembling wedge blocks matched with the assembling bases are fixedly installed on the outer walls of the two sides of the tail end of the side mold frame. According to the box culvert steel formwork assembling device, two steel formworks can be quickly positioned and connected, the actual using effect of quick positioning and assembling is achieved, and therefore the overall assembling efficiency of the box culvert steel formworks can be effectively improved, and the assembling efficiency of the box culvert steel formworks is improved. Therefore, the overall construction efficiency of the box culvert steel formwork can be improved, and the box culvert steel formwork has a good actual use effect.

The utility model discloses a mobile phone antenna convenient to assemble, which comprises a mobile phone rear cover, an antenna body is arranged on one side of the top end of the mobile phone rear cover, a positioning arc edge matched with the mobile phone rear cover is arranged on the edge of one side above the antenna body, and four arc-shaped clamping edges are arranged on the upper outer side and the lower outer side of the middle end of the antenna body. The antenna body is provided with four sleeving holes, the edge of one side of the mobile phone rear cover is provided with limiting columns and sleeving columns which are matched with the arc-shaped clamping edges and the sleeving holes, and the posture of the antenna body can be effectively limited and fixed through the limiting columns and the sleeving columns, so that the antenna is prevented from moving during assembly; the multi-point limiting device has the actual using effect of multi-point limiting, attitude positioning can be effectively conducted on the antenna, inclined movement is avoided, therefore, the position accuracy during antenna assembling can be effectively improved, position deviation during antenna assembling can be prevented, the overall quality and efficiency of antenna assembling can be effectively improved during actual assembling operation, and the assembling efficiency of the antenna can be effectively improved. And a good actual use effect is achieved.

The invention discloses a preparation method of a carrier plate structure, the carrier plate structure and a semiconductor packaging structure. The preparation method of the support plate structure comprises the following steps: providing a support plate, wherein the support plate is provided with a first surface and a second surface opposite to each other in a first direction; modifying the support plate at a part of positions by using a laser induction process from one side of the support plate in the first direction, so that the support plate is provided with a modified area and a non-modified area, and the sizes of the modified area and the non-modified area in the first direction are equal to the size of the support plate in the first direction; performing etching treatment on the first surface in the modification area to form a first hole section which does not penetrate through the carrier plate; preparing a first conductive structure in the first hole section; performing etching treatment on the second surface in the modification area to form a second hole section communicated with the first hole section; and at least preparing a second conductive structure electrically connected with the first conductive structure into the second hole section.

The application discloses a packaging board, a preparation method thereof and a chip packaging structure. First, a substrate is provided, and a first through hole is formed by patterning the substrate, the first through hole penetrating the substrate in a thickness direction, the first through hole having a first axis, the first through hole having a first opening and a second opening oppositely arranged in the thickness direction, and the aperture of the first opening being smaller than that of the second opening. Then, a buffer structure is filled in the first through hole, and a second through hole is formed by patterning the buffer structure, the second through hole penetrating the buffer structure in the thickness direction, the second through hole having a second axis, and the first axis and the second axis being arranged in a same line. Finally, a conductive structure is prepared, and the conductive structure is located in the second through hole. The first axis and the second axis are arranged in the same line, the thickness distribution of the buffer structure around the conductive structure is uniform, the stress generated due to the difference in thermal expansion coefficients between the substrate and the conductive structure is effectively buffered, and the risk of crack generation is reduced.

This invention provides a sealing structure and assembly method, belonging to the field of mechanical seal technology. It includes: a container body; a cap fixed to the end of the container body, with a predetermined interval between the container body and the cap; a sealing ring fixedly connected to the cap; and a sealing retaining ring fixedly connected to the container body. The end of the sealing retaining ring contacts the end of the sealing ring, and the sealing ring is fixed inside the predetermined interval via the sealing retaining ring. By adopting the technical solution of this invention, the manufacturing difficulty of the cap is reduced, the structural shape of the sidewall connection part of the cap is simplified, assembly is easy, the performance of rotating containers is improved, and good assembly processability, sealing performance, structural stability, and reliability can be achieved simultaneously.