59results about How to "Avoid Corrosion Conditions" patented technology

The utility model relates to the field of corrugated pipes, in particular to a corrugated hose for fuel gas, which comprises a corrugated pipe sleeved with a corrosion-resistant metal mesh layer. According to the corrugated hose for the fuel gas, the corrugated pipe, the first threaded connector, the limiting groove, the adapter, the second threaded connector, the first sealing ring, the second sealing ring, the outer cylinder, the elastic piece, the limiting block and the outer nut are arranged, and the adapter is in butt joint with the corrugated pipe; an outer cylinder outside the adapter, an elastic piece and a limiting block extend into a limiting groove in the first threaded connector, the limiting block can be clamped in the limiting groove to form clamping butt joint, then the corrugated pipe and the adapter are in threaded connection by rotating an outer nut outside the adapter, and meanwhile the sealing effect is achieved through the arrangement of a first sealing ring and a second sealing ring; the connection mode enhances the firmness and the sealing performance between the two parts.

The invention relates to the technical field of centrifugal pump equipment, and provides a boiler water circulation centrifugal pump for an energy-saving boiler, which comprises a centrifugal pump, a pump shell and a side shell, the inner ring frame is located in the pump shell and is in butt joint with the water inlet, and impurities in water are filtered through a front filter plate and used for intercepting the impurities in the water; the arc-shaped plate is located in front of the filter plate, the opposite faces of the arc-shaped plate are attached to each other, when the filter plate rotates through an arc-shaped structure of the arc-shaped plate, impurities in meshes are scraped out to form a dredging effect, and meanwhile the arc-shaped plate is further used for guiding the impurities to the outer ring area; and the outer ring frame is located on the outer side of the inner ring frame and used for storing the intercepted impurities, and space communication is formed through a first separation net, close to the water inlet, on the inner side, so that the impurities enter the outer ring frame after being guided. During operation of the centrifugal pump, impurities in water are filtered in real time, automatic dredging treatment is formed, in addition, the blades can be cleaned in real time, the impurities cannot be adsorbed to form dirt and corrosion, and therefore the operation safety and the service life of the impeller and the boiler are guaranteed.

The utility model discloses a waterproof high-voltage connector used for an electric automobile, which relates to the technical field of electric automobiles and comprises a connector body, the connector body is composed of a contact piece and a terminal strip, the contact piece is movably connected with the terminal strip, and the contact piece comprises a male end protective shell. An output cable is fixedly installed on the outer wall of the side, away from the terminal strip, of the male end protection shell, and a first contact is fixedly installed on the inner wall of the male end protection shell. The terminal strip comprises a female end protection shell, through arrangement of a protection ring, a sealing groove, a connection notch and the like, the sealing performance of the connector body is guaranteed, the situation that moisture or other external substances in the environment invade the connector body to cause internal corrosion or faults of the connector body is effectively avoided, the fault risk of an electrical system can be reduced, and the service life of the connector body is prolonged. The driving system and other electrical components of the electric automobile can be ensured to operate stably, the damage of moisture to the battery system is prevented, the service life of the battery is prolonged, and the performance of the battery is maintained.

The invention relates to the technical field of welding, in particular to a bicycle handlebar welding device and method.The bicycle handlebar welding device comprises a welding table, a support installed on the welding table, a supporting table installed on the support, a power assembly installed on the welding table, a transmission assembly installed on the power assembly and a linkage assembly installed on the transmission assembly; the power assembly is used for driving a vertical pipe of the bicycle handlebar to move towards the handlebar rod till the vertical pipe is tightly attached to the handlebar rod, and the linkage assembly is used for driving an angle pipe of the bicycle handlebar to move towards the joint of the vertical pipe and the handlebar rod till the two ends of the angle pipe are tightly attached to the handlebar rod and the vertical pipe correspondingly. The transmission assembly is used for transmitting power output by the power assembly to the linkage assembly; the power assembly of the single power source circularly runs, the vertical pipe and the corner pipe are sequentially and automatically controlled to be in place, operation steps are simplified, welding machining efficiency is improved, and meanwhile the running and using cost of equipment is greatly reduced through the single power source.

The utility model discloses a large-caliber quick release type single-seat regulating valve, which relates to the technical field of valves and comprises a valve body, connecting pipes are arranged at two ends of the valve body, sealing flanges are arranged between the valve body and the connecting pipes, the valve body is connected with the connecting pipes through the sealing flanges and a first bolt assembly, and a second bolt assembly is arranged between the valve body and the connecting pipes. The top end and the bottom end of the joint of the sealing flange and the first bolt assemblies are sleeved with the large semicircular covers so that the sealing flange and the first bolt assemblies can be protected in a covering mode, the sealing flange and the first bolt assemblies can be prevented from being eroded by wind and rain, the two large semicircular covers can be disassembled and assembled through the second bolt assemblies on the lug plates, and the number of the second bolt assemblies is smaller than the total number of the first bolt assemblies. Therefore, under the condition that connection of the valve and a pipeline is not affected, the effect of quick disassembly during later disassembly of the valve body is achieved, even if the second bolt assembly is rusted on the lug plate in the later period, the large semicircular cover can be opened in a cutting mode, and the hidden danger that the first bolt assembly is cut, and a sealing flange is prone to being damaged is avoided.

The utility model relates to the field of corrugated pipes, in particular to a stainless steel corrugated pipe for water heating, which comprises a stainless steel corrugated hose, and a first joint is fixedly arranged at one end of the stainless steel corrugated hose. According to the stainless steel corrugated pipe for water heating, the first connector, the internal thread, the first sealing ring, the telescopic sleeve, the spring, the second sealing ring, the sealing groove, the first sealing ring and the adapter are arranged, the adapter connected with the water heating is arranged outside the first connector in a sleeving mode, and the adapter is rotated to be in threaded connection with the internal thread; through the arrangement of the telescopic sleeve and the external spring, the effect of buffering extrusion can be achieved, the second sealing ring and the telescopic sleeve extrude the interior of the adapter, the first sealing ring is extruded to be tightly attached to the interior of the adapter, and therefore the sealing effect is improved, the first sealing ring and the second sealing ring also have the sealing effect, and in this way, through the mode of buffering extrusion through the spring, the sealing effect is improved. And the sealing performance of the joint of the first joint and the adapter is improved.

The invention discloses an internal waterproof, dustproof and anti-settling device during elevator installation, and relates to the technical field of elevator installation. The internal waterproof, dustproof and anti-sedimentation device during elevator installation comprises an anti-sedimentation lower plate, a protection unit, a limiting unit and a connecting unit, and a damping middle seat is fixedly installed at the top of the anti-sedimentation lower plate. According to the internal waterproof, dustproof and anti-sedimentation device used during elevator installation, through cooperative use of a rotating stud, a connecting hollow column, an adjusting supporting column, a reinforcing hollow column and a water feeding stone rod, the adjusting supporting column can ascend and descend, in this way, during installation, the position of an anti-sedimentation lower plate can be adjusted according to the installation position, and the installation efficiency is improved. The situation that after the anti-sedimentation supporting columns are inserted into the ground, the anti-sedimentation lower plate inclines due to different foundation hardness is reduced, then the levelness of the anti-sedimentation lower plate during installation can be increased, and underground accumulated water can be subjected to water absorption treatment through the arrangement of water feeding stone rods and water feeding stone plates.

The utility model discloses a high-voltage corrosion-resistant capacitor film which comprises a capacitor film layer, the top of the capacitor film layer is fixedly connected with an insulating layer, the top of the insulating layer is fixedly connected with an anti-corrosion layer, the top of the anti-corrosion layer is fixedly connected with a polyester film layer, and the top of the polyester film layer is fixedly connected with a polypropylene film layer. Belongs to the technical field of capacitor films. According to the high-voltage-corrosion-resistant capacitor film, through the arrangement of the polypropylene film layer made of the polypropylene material, the overall anti-pressure capacity is higher, breakage is not prone to occurring, polypropylene is good in chemical stability and does not react with most chemicals, the overall corrosion resistance can be further improved, meanwhile, polypropylene has the excellent mechanical property, and the high-voltage-corrosion-resistant capacitor film is good in anti-corrosion performance. The material has the advantages of good tensile strength, good compression strength and good hardness, has prominent rigidity and bending fatigue resistance, can improve the overall corrosion resistance, can adapt to a complex use environment, and prevents the overall surface from being corroded.

The graphite polystyrene foam board comprises a foam board body, water inlets are formed in the positions, close to the left side and the right side, of the outer walls of the upper end and the lower end of the foam board body respectively, and vertically-through water passing pipes a are arranged in the positions, close to the left side and the right side, of the interior of the foam board body respectively. Guide channels are arranged between the upper and lower ends of the two water passing pipes a and the water inlet to guide the flow direction of liquid, and by installing the water inlet, the guide channels and the water passing pipes b, the situations of moisture retention, mold breeding and mildewing caused by accumulation are avoided, and the situation that the indoor air quality is reduced due to mold is avoided; meanwhile, the situation that the foam board body is corroded due to the influence of mould can be avoided, the heat preservation and heat insulation performance of the foam board body on the wall is prevented from being reduced, and after liquid is guided, the later maintenance and repair cost can be reduced, and the service life of the foam board body is prolonged.

The oil fume purification device comprises a range hood, a connecting groove is formed in the bottom of the range hood, the oil storage box is connected to an inner cavity of the connecting groove in a sliding mode, two fixing pieces are fixedly connected to the left side of the inner cavity of the connecting groove, and two semi-ring heads are rotationally connected to the right sides of the fixing pieces; fixing blocks are welded to the surfaces of the semi-ring heads, springs are welded to the sides, opposite to the fixing pieces, of the fixing blocks, the oil storage box is pushed to drive the bearing blocks to slide, and then under the special shape of the bearing blocks, the semi-ring heads on the surfaces of the fixing pieces are pushed to rotate in the opposite direction till the fixing round heads are buckled into inner cavities of the semi-ring heads; and under the matching action of the fixing block and the spring, the semi-ring head clamps the surface of the fixed round head, and then the oil storage box is mounted in the inner cavity of the connecting groove, so that the purpose that the oil storage box can be more conveniently detached and replaced after the oil smoke purification device is used can be achieved.

The utility model discloses an anti-explosion storage battery box which comprises a box body and a cover body, a top opening is formed in the top of the box body, a containing cavity is formed in the box body, anti-collision cotton is arranged in the box body, a plurality of anti-collision grooves are formed in the box body, and rubber strips are arranged in the anti-collision grooves; the cover body can be detachably and totally closed and seal the top opening position of the box body, the cover body partially extends into the top opening position of the box body, and anti-collision cotton is arranged on the side wall, extending into the box body, of the cover body; the anti-collision cotton can absorb energy and buffer when the battery body collides, and for the battery body with cooling liquid, the cooling liquid can be absorbed by the damping cotton when leaking, and if the cooling liquid corrodes components such as a battery body shell or a circuit board, the cooling liquid can be absorbed, so that the corrosion condition is prevented, and the service life of the battery body is prolonged. And if the cooling liquid has flame-retardant and electric leakage characteristics, the anti-collision cotton also has the same performance so as to ensure that the use effect of the anti-collision cotton is remarkable.

The utility model discloses a water -cooling plate external liquid -cooling energy storage converter structure, including cavity cover, cavity, bottom plate subassembly, water -cooling plate, IGBT module, electric reactor and sealing strip, water -cooling plate is external in cavity outside, and the anti -condensation performance is strong, so that the device in the cavity can avoid the circuit safety distance that condensation led to becomes small, short circuit occurs, the corrosion of device condition, has improved the reliability of converter greatly, has good sealing performance, can effectively block the water or dust of cavity outside through IGBT installation opening and electric reactor installation opening and enter the cavity, prevent dust or water from entering the cavity after causing the device in the cavity to break down failure because of the influence of dust increase or water, thereby improved the reliability of complete machine.

The invention relates to the technical field of signal transmission, and provides a connector combination for transmitting high-speed signals, which comprises a female plug and a male plug, the outer periphery of the left end of the male plug is inserted into the inner periphery of the right end of the female plug, the male plug comprises an outer shell II, and air cylinders are fixedly connected to the upper parts of the front and rear sides in the outer shell II; and a limiting sliding bin is fixedly connected to the upper end of the inner middle of the second outer shell, the right sides of the front end and the rear end of the limiting sliding bin communicate with the interior of the air cylinder, a second wire holder is slidably connected to the interior of the limiting sliding bin, and a second wire arranging base is fixedly connected to the left end of the second wire holder. In the plugging process, friction between the lower surface of the second electrode and the upper surface of the first electrode does not occur, so that when the female plug and the male plug are plugged, damage caused by friction between the lower surface of the second electrode and the upper surface of the first electrode is avoided, and it is guaranteed that the lower surface of the second electrode and the upper surface of the first electrode can be connected after complete plugging. And thus, high-speed transmission of signals is realized.

The invention discloses an electric power transmission line lightning protection device, and relates to the technical field of electric power lightning protection, the electric power transmission line lightning protection device comprises a lightning protection mechanism, a plurality of lightning rod mechanisms are distributed on the top of the lightning protection mechanism, and a protection mechanism is arranged on the outer side of each lightning rod mechanism. The connecting ring and the inserting seat are connected, certain frictional resistance is generated, then the stable inserting effect is achieved, the butt joint groove and the butt joint ball are in butt joint in the inserting process, the guiding effect is conveniently provided, the butt joint ball is pushed in cooperation with the telescopic column and the spring, and therefore certain reverse thrust is conveniently provided for the inserting seat, and the inserting effect is improved. Through cooperation of outward thrust, the limiting fastener is tightly fastened on the limiting disc to achieve a quick fixing effect, the mounting and dismounting efficiency can be improved, the limiting ring is in threaded connection with the outer wall of the inserting sleeve, the thread path is set to be short, quick screwing is facilitated, and when the limiting fastener is fastened, the limiting fastener can be quickly fixed. And the limiting fastener is further limited through the limiting ring, so that the mounting stability is effectively improved.

The invention provides a thermal oil boiler, belonging to the technical field of boilers. The thermal oil boiler comprises a furnace body and an oil guide pipe which is located inside the furnace body and is spirally arranged in the up and down directions. The top end of the oil guide pipe is fixedly connected with an oil outlet pipe which runs upward through the furnace body. The invention also comprises a scraping device for scraping impurities outside the oil guide pipe. The scraping device comprises a mounting frame which is rotatably mounted on the oil outlet pipe around the axis of the oil outlet pipe, a scraping mechanism arranged on the mounting frame, and a driving mechanism for driving the mounting frame to rotate. The mounting frame comprises a sleeve which is rotatably sleeved on the oil outlet pipe, a horizontal mounting plate arranged on the sleeve, and a vertical mounting plate arranged on the horizontal mounting plate, so that smoke is prevented from adhering to the outer wall of the oil guide pipe to form waste residue, thereby isolating the oil guide pipe from a heating source and reducing the heat transfer efficiency.

The invention relates to the technical field of watch detection, in particular to a watchband corrosion resistance detection device which comprises a testing machine, a limiting assembly, a fixing pipe, a monitoring assembly, an annular lens, a locking rod and the like. The testing machine is provided with a limiting assembly used for limiting the watch. The limiting assembly is connected with a plurality of fixing pipes used for fixing a watch. A plurality of frosted rods for rubbing the watchband are arranged on each fixed pipe; a monitoring assembly for monitoring the watchband is arranged in each fixing pipe; a plurality of windows are formed in each fixing pipe; a plurality of annular lenses are rotationally connected into each fixed pipe; each annular lens is provided with a plurality of locking rods used for fixing the annular lens. According to the invention, the inner ring surface of the watchband is polished through the frosted rod on the basis of performing a salt spray test on the watchband, the wearing condition closer to the actual condition can be simulated, the wear resistance and corrosion resistance of the cloth watchband can be better evaluated and verified, and the detection authenticity of the watchband is improved.

The high-performance evaporator for the fuel cell automobile air conditioner comprises an evaporator body and a connecting base, and the connecting base is arranged on one side of the evaporator body. By adding the connecting seat, a good sealing effect can be effectively provided for the liquid inlet pipe and the liquid outlet pipe while liquid circulation is realized; a liquid inlet pipe and a liquid outlet pipe are arranged on the connecting seat, collecting pipes are arranged at the joints of the connecting seat and the liquid inlet pipe and the liquid outlet pipe, and sealing assemblies are arranged between the collecting pipes and the liquid inlet pipe and between the collecting pipes and the liquid outlet pipe; sealing joint assemblies are arranged at the ends, away from the connecting seat, of the liquid inlet pipe and the liquid outlet pipe; the sealing performance of the evaporator body is further improved, and the heat exchange efficiency of the evaporator is further improved. Heat exchange pieces and collecting side pieces are further arranged in the connecting base, the heat exchange pieces are arranged in parallel, and the collecting side pieces are connected with the collecting pipe. Side plates are arranged at the two ends of the connecting seat; the anti-pressure capability and the working efficiency of the evaporator equipment are improved by optimizing the structure of the evaporator body.

This utility model provides a toilet seat lifting structure, belonging to the field of toilet technology. It solves the problem of how to improve the cleaning effect of the toilet. In this toilet seat lifting structure, the toilet includes a base and a seat assembly located on the base. A bracket is fixed on the base. The seat lifting structure includes a drive device fixed on the bracket and whose drive end can extend and retract vertically. The bottom of the seat assembly is fixedly connected to the drive end of the drive device. When the drive end of the drive device retracts downward to reset, the bottom of the seat assembly abuts against the bracket and the top circumferential edge of the base. This toilet seat lifting structure can improve the cleaning effect of the toilet.

The application provides a cable-stayed bridge cable anchoring structure, and relates to the technical field of anchoring structure, which comprises first and second anchoring members arranged at both ends of a cable body, the first and second anchoring members are respectively assembled and connected with a bridge and a tower wall, the first and second anchoring members are installed in the same way with steel wires at both ends inside the cable body, the first anchoring member comprises a pre-buried pipe and a connecting member, the pre-buried pipe is pre-buried on a tower wall side wall, a tower groove is formed at a central position inside the tower wall, the cable body on the tower wall on both sides of the tower groove is symmetrically arranged and installed, the connecting member is arranged on the outer wall of the cable body and one end of the steel wire, and the connecting member and the cable body penetrate through the pre-buried pipe and extend into the tower groove. The waterproof cover is arranged to avoid the problem that rainwater flows into the pre-buried pipe at the lower end of the cable body exposed outside and cannot be discharged in rainy weather, causing corrosion and damage to the cable body.

The utility model discloses a blooming rivet, which relates to the technical field of fasteners and particularly comprises a rivet rod, an annular groove is arranged on the outer wall of the rivet rod, the outer wall of the rivet rod is connected with a rivet end cap in a penetrating manner, the lower surface of the rivet end cap is fixedly connected with a blooming component, and the lower end of the rivet rod is fixedly connected with a fixing component. The rivet head is pulled out through the rivet rod, the attaching piece and the ejector block are used for being buckled with the inner groove, the expansion pipe is pressurized through the ejector block, extrusion and blooming are conducted through the pressure of the ejector block on the expansion pipe, and due to the arrangement of the outer groove and the inner groove, the garland smoothness can be improved, and the situation that blooming is uneven and cracks is avoided; the anti-corrosion head is attached to the outer surface of the fastener, so that the sealing effect is improved, corrosion caused by external substances is avoided, the service life is prolonged, the expansion pipe and the fastener are fixed through the rivet end cap, and the riveting strength is improved.

The present invention discloses an electrolyte collection and treatment device, including a collection box, wherein two feeding ports are symmetrically arranged at the upper end of the collection box, a discharge port is arranged at the side wall of the collection box, and a plurality of legs are fixedly connected to the lower end of the collection box; a partition is arranged inside the collection box, a conveying rod is arranged above the partition, the conveying rod is rotatably connected to the collection box, and two spiral conveying blades are symmetrically arranged on the outer side of the conveying rod; two rotatable crushing rollers are symmetrically arranged on the inner side of the collection box, and one end of the two crushing rollers extends to the outside of the collection box and is fixedly connected with a gear. The present invention can accelerate the decomposition speed by integrating conveying, crushing and separation, and can fully recycle the electrolyte without manual processing to avoid waste of resources, and can flush the device to avoid residual electrolyte in the device to cause corrosion, thereby effectively achieving the purpose of protection.

The present invention belongs to the technical field of gas water heaters, and specifically refers to a heating device for gas water heaters, including a main box body with a flue gas passage, an inverted burner arranged on the main box body and having a nozzle located in the flue gas passage, and a heat exchange tube located below the inverted burner and horizontally arranged on the flue gas passage, a flow channel with a water inlet and a water outlet is provided on the main box body, and the flow channel is adjacent to the heat exchange tube, a smoke exhaust port is provided on the flue gas passage, a condensate collection chamber is formed in the flue gas passage located below the heat exchange tube, and a condensate outlet is provided on the main box body. In the present invention, the high-temperature flue gas generated by the inverted burner will be transferred from top to bottom along the flue gas passage through the heat exchange tube for heat exchange, and the condensate formed on the outer surface of the heat exchange tube will drip downward to the condensate collection chamber under the action of gravity, which effectively avoids the situation in which the condensate drips onto the inverted burner and causes corrosion of the inverted burner compared to the prior art.

The utility model discloses a converter valve capable of avoiding mixing, and relates to the technical field of converter valves, the converter valve comprises a valve body, one side of the valve body is connected with a feed pipe in a penetrating manner, the other side of the valve body is provided with a discharge end I, the valve body is internally provided with a conversion mechanism, and the conversion mechanism is connected with the discharge end II according to the requirement of liquid injection. The valve body is arranged in the valve body, injection and transposition are conducted on the liquid conversion direction or two different types of liquid, an alloy valve element is arranged in the valve body, a sealing mechanism is arranged in the alloy valve element, the interior of the alloy valve element is sealed through the sealing mechanism, and therefore the situation that in the flow conversion process, the valve element is not prone to falling off is reduced. Different types of liquid are retained in the alloy valve element, and then mixed pollution of another type of liquid is caused. In the using process, vertical guiding treatment is conducted on the sealing gasket through the inner guide groove, vertical pressing treatment is conducted on the sealing gasket through air pressure, and then blocking treatment is conducted on the interiors of the liquid feeding through holes formed in the two sides of the alloy valve element.

The utility model discloses a motor suspension, which relates to the technical field of suspensions, and comprises a mounting seat connected with a frame, a motor main body arranged on the outer side wall of the mounting seat, a connecting disc fixedly connected to the outer side wall of the motor main body, and a positioning mechanism and a protection mechanism which are connected with the mounting seat, the positioning mechanism comprises a movable cavity fixedly connected to the outer side wall of the mounting seat, and a push-pull rod which penetrates through the movable cavity and is used for limiting the motor main body; the protection mechanism comprises a sliding rod fixedly connected to the outer side wall of the mounting base, a sliding ring arranged on the outer side wall of the sliding rod in a sleeving mode, and a sealing block fixedly connected to the outer side wall of the sliding ring and used for protecting the mounting piece. According to the motor suspension disclosed by the utility model, the sealing block moves towards the direction of the fixing bolt under the action of the reset spring until the limiting groove is sleeved at the nut of the fixing bolt, so that the motor suspension is fixed and prevented from being loosened or corroded.

The invention relates to the related technical field of paint spraying equipment, and discloses movable paint spraying equipment based on a regulation and control assembly, which comprises a movable platform, a box body is fixedly arranged on the upper side of the movable platform, a cover plate is arranged on the upper side of the box body, the regulation and control assembly is arranged on the upper side of the cover plate, a spray head is arranged on the regulation and control assembly, and a fixed plate is fixedly arranged on the lower side in the box body. A cylinder is arranged on the upper side of the fixing plate, a mixing cavity is formed in the upper side in the cylinder, and a stirring assembly is arranged in the mixing cavity; a second arc-shaped scraping plate and a first arc-shaped scraping plate alternately make contact with the inner wall of the mixing cavity so that paint adhering to the inner wall of the mixing cavity can be fully removed, the situation that the paint stirring uniformity is affected is avoided, and the situation that a cylinder is corroded and damaged due to the fact that the paint adheres to the inner wall of the mixing cavity for a long time is prevented; and the two first arc-shaped scraping plates and the two second arc-shaped scraping plates alternately move back and forth, so that the paint in the mixing cavity can be stirred, and blending of the paint color is promoted.

The utility model relates to the technical field of civil engineering. The steel member stable connecting structure comprises two sets of connecting plates, adjusting plates are clamped in the two sets of connecting plates in a sliding mode, fixing blocks are fixed to the two ends of the bottom of each connecting plate, welding bolts are inserted into the fixing blocks in a sliding mode, gaskets are fixed to the two ends of each connecting plate, and the two ends of each connecting plate are each provided with a clamping groove. A flow guide groove is formed in the gasket, and the surface of the welding bolt is slidably sleeved with a steel plate. By moving the equipment, the surface of the lower end of the connecting plate is attached to the surface of a steel plate, at the moment, the surface of the inner wall of the fixing block is attached to the surface of the steel plate at the same time, then the connecting plate is pulled outwards, and the width of the equipment is changed according to the steel plates of different sizes; and then the welding bolts are moved to penetrate through the fixing blocks to enter the steel plate, the steel plate is fixed, and through the operation, the applicability and flexibility of the equipment can be improved.

The application relates to a display panel, a preparation method thereof and a display device. The display panel has a binding area; the display panel comprises a substrate, a pad arranged on one side of the substrate and located in the binding area; the pad comprises a first conductive structure, a first protective layer and a second conductive structure, the first protective layer covers at least part of the sidewall of the first conductive structure, and the second conductive structure covers the surface of the first conductive structure away from the substrate and the first protective layer; the first conductive structure comprises at least two metal film layers with different materials. The display panel production yield can be improved by adopting the scheme.

This utility model discloses a high-sealing outdoor fire hydrant with a valve cover, comprising a hydrant body, a flange fixedly connected to the top of the hydrant body, a valve cover on the top of the flange, and multiple fastening bolts inserted between the valve cover and the flange. The bottom of the valve cover has two slots, in which a sealing gasket is engaged. The top of the flange has two water-stop rings fixedly connected, engaging with the slots and contacting the sealing gasket. The top of the flange has a protective cover filled with insulating foam. The bottom of the protective cover has multiple screws fixedly inserted, with the bottom ends of the screws threaded through the flange to connect to nuts. An actuating rod is rotatably mounted on the valve cover via an embedded bearing. This utility model, through the use of insulating foam, can insulate the valve cover, thereby insulating the sealing gasket and preventing damage to the sealing gasket from low temperatures, thus preventing aging and corrosion of the sealing gasket.

The utility model discloses a marine antifouling paint compressed air storage tank which structurally comprises a tank body, a pressure gauge, a connector, a safety valve, a blow-down valve, a supporting leg and an auxiliary mechanism, the auxiliary mechanism is arranged on the inner side of the supporting leg, and a gear arranged on the inner side of the auxiliary mechanism can drive a rack to work left and right in a reciprocating mode under the cooperation of a motor. Therefore, the absorbent cotton can clean accumulated water at the bottom of the tank body, corrosion to the tank body is avoided, meanwhile, the service life of the tank body is prolonged, accumulated water can be cleaned more conveniently, an inclined plate arranged on the inner side of a limiting frame can better drain the absorbent cotton, and a spring and an ejector rod are arranged, so that the water absorption cotton is more convenient to clean. And a good working environment is provided for the absorbent cotton more stably.

The utility model relates to the technical field of sealing structures, in particular to an end plug sealing structure for a hydrogen storage container, which comprises a bottle body and a bottle neck, and a sealing mechanism is arranged in the bottle neck. The sealing mechanism comprises a plug column arranged in the bottle neck and an end block fixedly arranged at the end of the plug column and used for rotating the plug column, and a cylindrical groove matched with the plug column is formed in the inner ring face of the bottle neck. A first sealing assembly used for sealing the cylindrical groove is arranged at the end of the plug column. According to the hydrogen storage container, by arranging the first sealing assembly, when the bottle body of the hydrogen storage container is sealed, the first sealing ring at the end of the plunger can abut against the interior of the cylindrical groove, so that effective sealing of the interior of the sealing thread can be achieved, hydrogen in the bottle body is prevented from making contact with the sealing thread, effective protection of the sealing thread is achieved, and the service life of the hydrogen storage container is prolonged. And therefore, the service life of the sealing structure is effectively prolonged, and the situation that the sealing threads are in contact with hydrogen for a long time to cause structural fatigue and failure is avoided.