145results about How to "Compact internal structure" patented technology

The invention discloses a laminated wood board production process, a laminated wood board and a board cutting machine, and belongs to the technical field of electrician laminated wood boards. The laminated wood board production process comprises the steps that S1, cutting is conducted, specifically, a board is obliquely cut to form veneers; s2, at least two single boards are bonded and spliced to form a laminate; s3, the laminate is placed in a hot press; s4, double-sided gluing is carried out on the laminated plate after hot pressing is completed; s5, the multiple laminates are stacked to form a plate blank, the bonding positions of every two adjacent laminates are arranged in a staggered mode, and the plate blank is placed in a pre-pressing machine to be pre-pressed; and S6, the pre-pressed plate blank is put into a hot press, the hot pressing temperature ranges from 120 DEG C to 140 DEG C, the plate blank is gradually pressed to the preset thickness, after the plate blank is pressed and formed and the temperature rises to the preset temperature, heat preservation forming is carried out, and cooling and discharging are carried out after forming. The production process solves the technical problem that the density of the electrical laminated board produced in a traditional mode is not uniform.

The utility model discloses a miniaturized electric slide rail which comprises an outer frame, an inner frame and ball structures, the ball structures are arranged in slide ways on two sides of the outer frame, the inner frame is slidably connected in the outer frame through matching with the ball structures, an electric driving structure is arranged at the rear end of the inner side face of the outer frame, and the front end of the electric driving structure is connected with a transmission structure. The inner frame is arranged above the transmission structure; the transmission structure comprises a lead screw, the lead screw is arranged on the inner side face of the outer frame in the length direction of the outer frame, a lead screw nut is arranged on the lead screw and fixedly connected with the inner side face of the inner frame, and the electric drive structure is in transmission connection with the rear end of the lead screw and drives the lead screw nut to do linear motion along the lead screw. The driving motor is arranged in the sliding rail, so that the internal structure of the sliding rail is more compact, and a large amount of space outside the sliding rail is saved; in addition, the sliding rails are miniature electric sliding rails, so that the overall structural size is small, and the utilization space outside the sliding rails is greatly improved.

The invention belongs to the technical field of sample collection, and particularly relates to a seabed sediment columnar sample collection device and method. The collecting device comprises a rectangular-ambulatory-plane-shaped bearing base, bearing frames are installed on the bearing base, the multiple bearing frames are jointly connected with a circular base disc located at the center position above the bearing base, a pressure relief sampling mechanism is arranged on the circular base disc, and a height difference exists between the circular base disc and the bearing base. The pressure relief sampling mechanism comprises a circular sampling tube, and an opening of the sampling tube faces the bearing base and is coaxial with the circle center of the circular basal disc; a sawtooth annular disc with the same shape and size as the sampling tube is also mounted at the opening of the sampling tube. According to the invention, the unsmooth sample removal caused by large friction force between the inner wall of the sampling tube and a sample can be avoided through the removal-assisting molding device, so that the sample can be removed smoothly and completely, the sample removal difficulty of the sample is reduced, and the use effect of the device is improved.

The invention belongs to the technical field of solid waste recycling, and particularly relates to an all-solid waste alkali-activated cementing material and a preparation method thereof. The all-solid waste alkali-activated cementing material disclosed by the invention is prepared from the following components in parts by weight: 60 to 140 parts of fly ash, 200 to 360 parts of slag, 5 to 45 parts of carbide slag, 45 to 180 parts of regenerated micro powder, 30 to 70 parts of alkali activator, 45 to 225 parts of organic monomer and 120 to 260 parts of water, the adhesive further comprises a cross-linking agent and an initiator. According to the all-solid waste alkali-activated cementing material, the utilization rate of solid waste resources such as construction waste can be increased, carbon emission in industrial production can be reduced, the strength and toughness of the material are improved while the dosage of the alkali activator is reduced, and the all-solid waste alkali-activated cementing material is wide in application range.

The invention relates to the field of a Maotai-flavor liquor brewing process, in particular to a Maotai-flavor liquor stacking fermentation method for improving the yield and quality of base liquor of Maotai-flavor liquor, which comprises the following steps: a, conveying fermented grains to a stacking fermentation process after being subjected to a cooking and gelatinization process, a steaming and steaming process, a spreading and airing process and a yeast adding process; b, during upper pile stacking, the upper pile temperature of the saccharification pile is in a range of 23-32 DEG C; when the fermented grains are piled up, at least two saccharification piles are piled up in the same team at the same time, and the weight of the fermented grains piled up on each saccharification pile each time is smaller than 400 kg; the time interval of stacking the fermented grains each time is greater than 60 minutes; the pile height is 1.5 m to 2 m, the pile bottom diameter is 4 m to 6 m, the single saccharification pile capacity is 22 to 24 retorts / pile, and the single retort capacity is 800 to 1300 kg / retort; c, after stacking is completed, the stacking saccharification duration of the sand discharging stage and the sand making stage is not less than 36 h, and the stacking saccharification duration of the first-time wine stage to the sixth-time wine stage is not less than 84 h; and d, when the accumulation is completed, the accumulation temperature of the saccharification pile is in a range of 28-55 DEG C.

The utility model discloses a battery pack, which comprises a shell assembly, a battery pack and a battery pack, the multiple cross beams are arranged in the containing cavity and are arranged at intervals in the first direction; the battery cell modules are arranged between any two adjacent cross beams, and each battery cell module comprises a first module and a second module which are mutually stacked in a second direction; the first cold plate is arranged in the containing cavity, the first cold plate is located between the first module and the second module and penetrates through the multiple cross beams, and the first direction is perpendicular to the second direction. The battery pack disclosed by the utility model can meet the required electric quantity requirement, and is compact in structure, high in space utilization rate and high in safety.

The invention discloses a preparation method and application of a composite 3D negative electrode current collector for a lithium metal battery, and belongs to the field of batteries, and the preparation method comprises the following steps: firstly, introducing a reduced graphene oxide artificial interface layer on the surface of the current collector through a chemical coating means, so that the reduced graphene oxide artificial interface layer and the current collector are tightly combined and are not easy to fall off after being bent due to chemical reaction in the process; and the conductivity and the ductility of the coated current collector are not greatly damaged. Then, on this basis, a three-dimensional micro-pit array structure with a lithium-loving oxide layer is introduced on the surface of the current collector by means of laser etching, so that the specific surface area of the current collector is increased, the surface current density distribution is adjusted, lithium metal is effectively induced to be uniformly deposited on the macro-scale and the micro-scale, and formation of lithium dendrites is inhibited; the lithium copper half battery assembled by the current collector has excellent cycle performance. The preparation process flow is simple, the composite 3D current collector with excellent performance is prepared, the cost is effectively reduced, and the production efficiency is improved.

The utility model discloses a rapid absorption core, and belongs to the field of absorption cores. A rapid absorption core comprises an absorber and a flow guide body, the absorber comprises first non-woven fabric, a wood pulp fiber layer and second non-woven fabric which are sequentially arranged, the flow guide body comprises a first fiber layer, a second fiber layer and dry paper which are sequentially arranged, and the dry paper is arranged on one side of the first non-woven fabric. The gram weight of the second fiber layer is larger than that of the first fiber layer. The liquid absorption device has the advantages of accelerating liquid absorption and improving the use experience.

The invention discloses a casting device for a mine car balance suspension shaft shell, and belongs to the field of metal casting. Comprising a base, an X-axis moving part connected to one side of the base, a Z-axis moving part fixedly connected to one side of the moving end of the X-axis moving part, a tilting part fixedly connected to one side of the moving end of the Z-axis moving part, and a supporting frame fixedly connected to one side of the rotating end of the tilting part. The mounting plate is connected to one side of the base and is used for fixing a mold; the mold splitting and closing part is used for realizing mold closing and mold splitting; the first Venturi mixing part can mix inert gas and a degassing agent discharged from the first discharging pipe, the inert gas and the degassing agent are fed into the first porous spray head through a hollow pipeline, and the mixture is sprayed out of the first porous spray head at the bottom of a steel ladle so that the degassing agent can chemically react with gas (especially hydrogen) in molten metal. And dissolved gases such as hydrogen and nitrogen in molten metal are effectively removed, the metal quality is improved, the solubility of the gases is reduced, and the gases are separated out and discharged.

The present invention discloses an intelligent cold storage, including an energy generation system, a cold storage system, a wind power adjustment system and a cold storage, wherein the energy generation system is respectively connected to a wind power generation device and a photovoltaic power generation device and a storage battery on a controller, the windmill of the wind power generation device is arranged on the top of the cold storage to obtain wind energy, and the photovoltaic components of the photovoltaic power generation device are arranged on the east-west direction of the outer wall of the cold storage to obtain solar energy; the cold storage system includes a cold storage plate arranged on the inner wall and inside of the cold storage, and a cold medium salt solution is arranged in the cold storage plate; the wind power adjustment system includes a DC fan arranged at the top of the cold storage, and the DC fan is connected to the controller to obtain power; the cold storage has a plurality of freezing chambers, and a freezing unit separated by a heat-insulating partition in each freezing chamber. The present invention provides an intelligent cold storage that makes full use of renewable energy and natural conditions, can generate electricity for use independently, improves the uniformity of internal airflow organization and the quality of stored food, and optimizes the internal structure.

The present invention provides a traveling wave parametric amplifier and a method for preparing the traveling wave parametric amplifier. The traveling wave parametric amplifier comprises: a substrate; a microstrip line core line, which is arranged on the substrate, and the microstrip line core line comprises a junction chain composed of at least one Josephson junction; a first capacitor, which comprises: a first superconducting metal layer, which is suitable for grounding; a second superconducting metal layer, which is suitable for connecting to one end of the Josephson junction; a dielectric layer, which is suitable for isolating the first superconducting metal layer and the second superconducting metal layer, and the inductance provided by the Josephson junction and the first capacitor determine the characteristic impedance of the traveling wave parametric amplifier; a phase matching resonance unit, which is connected to the microstrip line core line, and the phase matching resonance unit is suitable for performing phase matching between a pump signal and a read signal obtained from the outside and an idler signal generated in the traveling wave parametric amplifier, so as to improve the gain of the traveling wave parametric amplifier through phase matching.

The invention discloses a liquid cooling energy storage cabinet which comprises a main frame, the interior of the main frame is divided into an energy bin and an electric appliance bin which are mutually independent through a vertically-arranged partition plate, a battery rack is arranged in the energy bin, battery packs are detachably installed in the battery rack, a liquid cooling plate is tightly attached to the side face of each battery pack, and a flow channel is formed in each liquid cooling plate. The flow channels of the adjacent liquid cooling plates are connected in series through liquid cooling pipelines; an inlet and an outlet of the liquid cooling pipeline both extend to the electric appliance bin and are connected with an outlet and an inlet of the liquid cooling unit respectively, and the liquid cooling unit is fixed to a bottom plate of the electric appliance bin through a liquid cooling air conditioner support. Through the design that the liquid cooling plate is directly attached to the side face of the battery pack, the heat conduction path is extremely short, the advantages of high specific heat capacity and high heat conductivity of liquid are utilized, heat generated during charging and discharging of the battery can be rapidly and efficiently taken away, and the problem of low heat dissipation efficiency caused by low specific heat capacity and poor heat conductivity of air in air cooling is solved.

The utility model discloses a double-function spray gun which comprises a shell, an adapter pipe and a switching valve seat, a water spraying opening is formed in the front end of the shell, a water spraying face is arranged on the side face of the shell, a plurality of water spraying openings are formed in the water spraying face, the switching valve seat is arranged in the shell, and the switching valve seat is communicated with the water spraying opening and the water spraying openings. The adapter pipe is inserted into the shell, the front end of the adapter pipe is connected with the switching valve seat, the rear end of the adapter pipe is connected with the water supply pipe, a push button is arranged on the switching valve seat, and the water spraying opening or the water sprinkling opening can be switched and controlled to discharge water by shifting the push button. Compared with the prior art, rotation of the valve element is controlled through the push button, water outlet of the water spraying opening or water outlet of the water sprinkling opening can be switched, and operation is convenient and fast. And the water spraying openings can spray high-pressure water to clean stubborn stains, the water spraying area can be increased through a large number of water spraying openings distributed on the water spraying face, the cleaning device can be used for cleaning objects with large sizes, and the cleaning efficiency is greatly improved.

The utility model discloses a pilot electromagnetic valve seat which comprises a shell, a cover body, a bottom cover and a piston, the cover body is installed at the top of the shell, the bottom cover is installed at the bottom of the shell, the piston is installed in the shell, a first valve port can be communicated with a first valve cavity and a second valve cavity, a second valve port can be communicated with the first valve cavity or the second valve cavity, and a third valve port can be communicated with the first valve cavity. The valve cover comprises a third valve cavity, a fourth channel and a fifth channel, the fourth channel communicates with the first channel and the third valve cavity, the fifth channel communicates with the third valve cavity and the first valve cavity, the piston comprises a first check block and a second check block, the first check block is located in the first valve cavity, the second check block is located in the second valve cavity, and a spring is installed in the bottom cover to abut against the second check block. The valve seat is composed of the shell, the cover body and the bottom cover, so that the valve seat is more convenient to machine, and meanwhile, the internal structural design of the valve seat is tighter.

The invention discloses an epoxy resin anti-collision, anti-corrosion and wear-resistant material and a preparation method thereof, and the invention relates to the technical field of epoxy resin materials, comprising the following components in parts by weight: 2.5-4 parts of anti-corrosion filler, 1.8-2.5 parts of wear-resistant filler, 25-30 parts of epoxy resin, 10-15 parts of diluent, 1.5-2 parts of defoamer, and 1.5-2 parts of toughening agent; the diluent is a mixed solution of xylene and n-butanol in a volume ratio of 1:2. The epoxy resin anti-collision, anti-corrosion and wear-resistant material and a preparation method thereof, because graphene oxide itself has a two-dimensional flaky structure, bears a certain load in the epoxy resin matrix, disperses stress, and at the same time, modified zirconium oxide particles have higher hardness and strength, and the two act synergistically, so that the modified zirconium oxide fills the gap between the graphene oxide sheets, making the internal structure of the material more compact, reducing the penetration channel of corrosive substances, thereby improving the anti-corrosion performance of the epoxy resin.

The invention provides a leather ion piezoelectric device and a preparation method and application thereof, and belongs to the technical field of new energy conversion, the leather ion piezoelectric device comprises a device body, and two sides of the bottom of the device body are respectively provided with a stress electrode and a reference electrode; the preparation method of the leather ion piezoelectric device comprises the steps that raw hide obtained after pickling is subjected to tanning, retanning and electrolyte treatment, ion leather is obtained, the ion leather is cut, a device body is manufactured, a stress electrode and a reference electrode are attached to the two sides of the bottom of the device body respectively, and the leather ion piezoelectric device is obtained. The leather ion piezoelectric device provided by the invention has excellent mechanical property, damp-heat-resistant stability, durability and corrosion resistance, and is convenient to transport, store and reuse; the ion piezoelectric device prepared through the preparation method is good in mechanical performance and durable temperature performance, suitable for mechanical energy collection and power generation in a more complex special environment and an actual scene bearing large pressure, and wide in application range.

The present application relates to a kind of cylindrical electrode paste and its preparation method.A kind of cylindrical electrode paste, by mass parts, including 15-20 parts of anthracite main material, 25-40 parts of residual anode, 3-10 parts of graphite fragment, 25-35 parts of coke, 15-30 parts of organic binder, 6-18 parts of bio-based binder. Among them, organic binder includes medium temperature pitch, anthracene oil, beta resin. Among them, bio-based binder includes carbonized hydrophobic composite modified wood bamboo powder, sodium carboxymethyl cellulose. The carbonized hydrophobic composite modified wood bamboo powder of the present application and sodium carboxymethyl cellulose are compounded to form a bio-based binder, which cooperates with the organic binder to ensure the bonding strength, high temperature resistance and electrical conductivity of the cylindrical electrode paste, while realizing the green and low-carbon utilization of biomass, solving the problems of high temperature failure, moisture absorption and easy caking, and many pores of traditional bio-based binder, reducing the resistivity and production cost, and improving the structural density and use stability.

The application provides an end cover device and an energy storage device. The end cover device comprises a bracket and a roller shutter. The bracket has a socket, a receiving cavity and a sliding groove. The socket is configured to expose a connector of the energy storage device. The socket is in communication with the receiving cavity. The sliding groove is in the form of a curved groove section in the receiving cavity. The roller shutter is in the form of a straight groove section in the socket. The roller shutter is arranged on the bracket and is configured to slide along the sliding groove. When the connector is not used, the roller shutter is slid to the straight groove section, and the roller shutter at least partially covers the socket. When the connector needs to be used, the roller shutter is in the curved groove section, the roller shutter is curvedly received in the receiving cavity, and the socket is avoided. The curved roller shutter can reduce the occupied space. Compared with a rigid translation structure, the roller shutter can leave more space through the curling, so that the internal structure of the energy storage device is more compact. Compared with a flip structure, the roller shutter can save the reserved space in front of the connector through the sliding. Even in a narrow scene, the roller shutter can successfully cover and expose the connector.

The invention relates to the field of food processing, and particularly discloses a high-mechanical-property biphasic amphiphilic gel based on myofibrillar protein and pepper essential oil as well as a preparation method and application of the high-mechanical-property biphasic amphiphilic gel. Myofibrillar protein hydrogel is prepared through thermal induction, beeswax oil gel containing pepper essential oil is prepared through magnetic oscillation self-assembly, and the high-mechanical-property biphasic amphiphilic gel containing pepper essential oil is prepared through magnetic oscillation self-assembly. And preparing the two-phase amphiphilic gel simultaneously containing a water phase and an oil phase through high-speed homogenization and thermal induction. The mechanical property, thermal stability and structure of the two-phase amphiphilic gel with different oleogel to hydrogel ratios are evaluated by adopting mechanical property, thermal property, binding capacity and microstructure analysis methods and the like. Experiments confirm that the prepared biphasic amphiphilic gel can be used as a substitute of traditional fat, can be used for embedding and delivering probiotics or active ingredients and the like, and can be used for personalized customization of food or precise nutrition realization.

The invention relates to a smart energy management device, and relates to the field of energy management equipment, the smart energy management device comprises a cabinet body, a plurality of rows of placement grooves are formed in the cabinet body, the placement grooves extend in the length direction of the cabinet body, two electronic elements are arranged in each placement groove of the cabinet body, and the two electronic elements are oppositely arranged; connecting shells are arranged on the opposite sides of the two electronic elements, the two connecting shells are oppositely arranged, a connecting wire is arranged between the two electronic elements, the electronic elements slide in the containing groove of the cabinet body, two opening and closing doors are arranged on one side of the cabinet body, and a control piece used for controlling the position relation of the two electronic elements is arranged between the two electronic elements. The two electronic elements are close to each other, the two connecting shells are connected, and the connecting wires are contained in the connecting shells; when the opening and closing door is opened, the two electronic elements are far away from each other, the two connecting shells are far away from each other, and the connecting wires are tightened in the connecting shells. According to the invention, the control element is additionally arranged to reasonably deploy internal electronic elements, so that the working efficiency is improved.

The invention provides a mutton preservative and application thereof, and belongs to the technical field of preservatives, the mutton preservative comprises a component A and a component B. The component A comprises the following raw materials by mass: 10 parts of a clove extract, 2-8 parts of a cinnamon extract, 2-5 parts of a myrcia extract, 1-1.5 parts of tea polyphenol, 0.5-1 part of allicin and 0.8-1 part of calcium chloride; the component B is prepared from the following raw materials in parts by mass: 10 parts of chitosan, 3 to 5 parts of sodium alginate and 0.5 to 1 part of propolis. The mutton preservative disclosed by the invention is completely prepared from pure natural substances, sodium alginate and chitosan in the component B react with calcium chloride in the component A to form a gel film, and a clove extracting solution, a cinnamon extracting solution and a bay leaf extracting solution in the component A can also promote the sodium alginate to form a film through crosslinking, so that the formed gel film is smoother, the internal structure is more compact, and the mutton preservative has the advantages that the quality of mutton is improved; water evaporation is prevented, oxygen is isolated, and the fresh-keeping effect of the mutton fresh-keeping agent is effectively improved.

The present invention discloses a heat sink and a multimedia projector including the same. The heat sink of the present invention comprises a box body. The heat sink of the present invention can cool down an object in the box body. A cold air inlet and a hot air outlet that can be connected to each other are arranged on the box body. The heat sink of the present invention also comprises a cooling block that connects the hot air outlet and the cold air inlet. A plurality of air outlet channels are arranged on the cooling block. The air discharged through the hot air outlet can enter the cold air inlet through the air outlet channels. The cold air inlet and the hot air outlet are both located on the same side of the box body. A cooling part is arranged at least at one of the cold air inlet and the hot air outlet. The first cooling part comprises a first semiconductor cooling sheet and a first cooling plate. The cooling end of the first semiconductor cooling sheet can contact the hot air in the inner cavity of the box body. The multimedia projector of the present invention has high cooling efficiency while ensuring the sealing of the box body. The internal structure of the box body is compactly arranged and the overall space occupied is small.

The invention discloses a compressed air pressure stabilizing supply storage tank, which belongs to the technical field of compressed air energy storage, and structurally comprises a tank body, a pushing disc is vertically and slidably mounted in the tank body, an I-shaped rotary drum is rotatably mounted in the middle of the pushing disc, and a center penetrating guide rod is fixedly mounted in the middle of the inner side of the tank body; the I-shaped rotating drum is arranged on the outer side of the center penetrating guide rod in a sleeving mode and is in transmission connection with the center penetrating guide rod through threads, a multi-stage telescopic guide rod is connected between the top of the pushing disc and the tank body, and a large-torque low-speed motor used for driving the I-shaped rotating drum to rotate is installed on the pushing disc; according to the storage tank, the extrusion force on compressed air stored in the tank body can be accurately controlled, the constant discharge speed of the compressed air is maintained, stable-pressure supply of the compressed air is guaranteed, and on the basis, the compressed air stored in the tank body can be fully discharged, so that the containing efficiency of the storage tank on the compressed air is improved.

The present invention relates to an improved electric control box assembly for an indoor unit of an air conditioner, comprising a box body, the box body being in a rectangular box shape, and the panel of the box body being detachable; a main control board, an auxiliary control board and a terminal block are arranged in the box body; the main control board is smaller than the back plate of the box body and is fixed on the upper part of the back plate; the auxiliary control board is fixed on the bottom plate of the box body and is perpendicular to the back plate; the terminal block is installed on the lower part of the back plate; the terminal block and the auxiliary control board are adjacent to two sides of the box body respectively. The present invention has reasonable design, simple structure and convenient use, and can make full use of the space inside the electric control box and make its internal structure more compact, and can also facilitate installation and maintenance, and improve operation efficiency.

The invention relates to the technical field of compression molding, in particular to an annular vacuum molding press which is characterized in that a sealing box body is provided with a heating station, a molding station and a cooling station; the heating station, the forming station and the cooling station are circumferentially distributed in the sealing box body; a material opening is formed in the bottom of the sealing box body between the heating station and the cooling station; a mold conveying assembly is arranged on the portion, under the material opening, of the rack. A rotary shifting assembly is arranged in the sealed box body; the mold conveying assembly is composed of a translation linear module, a lifting module and a material carrying table. The lifting module is connected to the translation linear module; the material carrying table is connected to the lifting module. When the annular vacuum molding press is used, in the structure, all stations of the annular vacuum molding press are circumferentially distributed, the total length of the molding press is shortened, the spatial layout of the molding press in a plant is easier, the feeding port and the discharging port are overlapped at the material ports, the stations are reduced, and the internal structure of the molding press is more compact.

The present invention discloses a purification tank that is easy to produce efficiently. The key points of the technical solution are that it includes a tank body, a cavity connected to the outside, a first inner liner for sewage reaction is arranged at the center of the cavity, a second inner liner for sewage reaction is distributed around the first inner liner, one side of the second inner liner is tightly fitted with the first inner liner, and the other side of the second inner liner is tightly fitted with the inner wall of the cavity. Through the above structure, the blow molding process can be used for rapid production, while also ensuring structural stability and facilitating the adjustment of specifications.

The invention provides an antenna assembly and electronic equipment, and relates to the field of communication. The antenna assembly comprises a middle frame which comprises a substrate, a frame and rib positions, and the frame is connected with the edge of the substrate through the rib positions; the first antenna is arranged on the frame; the second antenna is arranged on the frame, and the rib position is located between the first antenna and the second antenna; and one end of the first feeder line is used for being electrically connected with the circuit board, and the other end of the first feeder line penetrates through the rib position and is electrically connected with the feeding point of the second antenna. The rib position is arranged between the first antenna and the second antenna, and the rib position can increase the distance between the first antenna and the second antenna, so that the isolation degree between the first antenna and the second antenna is increased. And the first feeder line is not arranged on the substrate of the middle frame, and the position of the first feeder line is closer to the frame, so that the space occupied by the first feeder line is reduced, the internal structure of the electronic equipment is more compact, and a screen with a larger display area can be conveniently arranged.

The present invention discloses a hard-sealed high-purity gas pressure reducing valve, comprising a lower valve body, a rear cover connected to the lower valve body by threads, an upper valve body arranged between the rear cover and the lower valve body, the top of the upper valve body tightly connected to the rear cover by a pressure block, and the bottom of the upper valve body tightly connected to the lower valve body by a metal O-ring and a metal C-ring; a diaphragm is arranged on the top of the upper valve body, the diaphragm is connected to a pressure regulating spring, one end of the pressure regulating spring is connected to a top screw passing through the rear cover; a valve needle is arranged in the lower valve body, one end of the valve needle contacts the bottom of the diaphragm, and the other end is connected to the lower valve body by a small spring. The hard-sealed high-purity gas pressure reducing valve provided by the present invention has good sealing surface elasticity and high sealing precision.

The utility model discloses electronic equipment, and belongs to the technical field of electronic equipment. The connecting base is arranged on the side, facing the screen module, of the first circuit board, so that the first flexible circuit assembly of the screen module can be directly connected with the connecting base and does not need to be wound to or penetrate through the other side of the first circuit board. Therefore, when a technician disassembles the screen module, the connection between the first flexible circuit assembly and the connecting seat can be directly separated from the screen side, and then the disassembly of the screen module is completed. Compared with the prior art that the rear cover needs to be disassembled when the screen module is disassembled, the electronic equipment has the advantages that the step of disassembling the rear cover is omitted, the complexity of the maintenance process is reduced, the maintenance time is shortened, the equipment damage risk caused by additionally disassembling the rear cover is effectively avoided, and the reliability of product maintenance is remarkably improved.