150results about How to "Achieving a sealed connection" patented technology

The present application provides a lens assembly and a camera, the lens assembly includes a housing, a lens, a sealing ring and a pressing piece; the housing is provided with a lens barrel for mounting the lens, the sealing ring includes a sleeve portion and a convex ring portion formed by radially extending outward from one end of the sleeve portion, the sleeve portion is sealingly sleeved on the outer wall of the lens, the pressing piece is detachably arranged on the inner side of the housing and the convex ring portion is sealed and pressed between the pressing piece and the inner side of the housing. The sleeve portion is used to achieve a sealed connection between the sealing ring and the lens, the convex ring portion and the pressing piece are used to achieve a sealed connection between the sealing ring and the housing, thereby achieving a sealed connection between the lens and the housing, and the sealing method enables the lens to be directly exposed to the outside of the housing, compared with the prior art in which the lens is arranged inside the housing, the viewing angle width of the lens in the present application is guaranteed.

The utility model relates to the field of electrical engineering, in particular to a leading cable, an electric device, a motor and an electric vehicle. The leading cable is installed on an electric device and at least comprises a wire harness which at least comprises a plurality of electric wires formed by a plurality of power supply wires connected with an external power supply; the isolation sealing sleeve is sleeved on the wire harness and is provided with a plurality of wire holes for isolating and accommodating electric wires; the protection sealing sleeve is arranged on one side close to the power utilization device and is provided with a coating part which sleeves the outer side of the isolation sealing sleeve and an extension part which extends from the coating part to the direction far away from the power utilization device; a step part is arranged between the wrapping part and the extension part, and the fastener abuts against the step part, so that the wrapping part of the protection sealing sleeve is in interference fit with the power utilization device, and accumulated water is prevented from entering the power utilization device through a connection gap between the leading cable and the power utilization device.

The utility model provides door glass, a door body assembly and clothes processing equipment. Wherein the door glass is used for sealing a door seal of the clothes processing equipment, a water sealing ring is formed on the door glass, and the water sealing ring is configured to be in sealing connection with the door seal; the door glass comprises a top end arranged towards an inner barrel of the clothes processing equipment, a side wall connected with the water sealing ring and the top end, and a connecting ring located on the side, away from the top end, of the water sealing ring. Wherein an opening is formed in the end, close to the door seal, of the inner cylinder, when the water sealing ring is connected with the door seal in a sealed mode, the gap distance between the inner wall and the side wall of the opening is a first size, the minimum safety gap value between the inner wall and the side wall of the opening is a second size, and the difference value range of the first size and the second size at the same position ranges from 0 mm to 20 mm. Therefore, the possibility of contact between the clothes and the door seal and between the clothes and the gap between the inner drum and the outer drum can be reduced, the cleaning effect of the clothes is improved, and abrasion to the clothes is reduced.

The invention provides a waterproof ship-shaped switch, which belongs to a switch device with a special structure and comprises a switch shell and a key arranged along a first direction, the key is composed of an upper arc plate and a side coaming, the upper arc plate is covered with an elastic cover plate, and a first liquid cavity is formed between the cover plate and the upper arc plate; arc-shaped plates are arranged in the switch shell and on the two sides of the side surrounding plate in the first direction respectively; a sealing bag is arranged on the outer side of the bottom end of the side surrounding plate and used for being connected with the key and the switch shell in a sealed mode. A liquid channel is formed in each of the two ends, in the first direction, in the key, and the two ends of each liquid channel are connected with one end of the first liquid cavity and one end of the second liquid cavity respectively; lubricating oil is stored in the first liquid cavity, and when one end of the cover plate is pressed, the cover plate deforms, so that the lubricating oil in the first liquid cavity flows into the second liquid cavity through the liquid channel, and the resistance in the key pressing process is reduced. According to the invention, the wear between the key and the switch shell is reduced, and the sealing performance between the key and the switch shell is ensured.

The utility model discloses a protective sealing motor, which relates to the technical field of sealing motors and comprises a sealing shell. The sealing shell comprises a shell body. A first insertion ring and a second insertion ring are integrally arranged at the two ends of the shell respectively; one end of the shell is matched with the front end cover through a first insertion ring; the front end cover comprises a second sealing cover; the bottom edge of the second sealing cover is provided with a second slot convenient to match with the first insertion ring. The second sealing cover is provided with a through hole facilitating penetration of the rotor. A bearing seat is arranged on the inner surface of the second sealing cover; rubber sealing rings are arranged on the edges of the bearing seats; the first inserting ring at one end of the shell is inserted into the second inserting groove formed in the second sealing cover to achieve sealing connection of the shell and the second sealing cover, and the second inserting ring at the other end of the shell is matched with the inserting groove in the edge of the inner side of the first sealing cover to effectively achieve overall assembly of the motor. The lug plates on the edge of the second sealing cover are fixedly connected with the connecting blocks on the edge of the first sealing cover through the screws.

The utility model discloses a herringbone roof tool house with waterproof function, which comprises a rectangular bottom plate, a framework, a plastic wallboard and a plastic door plank, the plastic door plank and the framework are respectively mounted on the periphery of the upper surface of the rectangular bottom plate, the framework is composed of a plurality of vertical support rods mounted on the upper surface of the rectangular bottom plate, the vertical support rods are hermetically inserted into the plastic wallboard, and the plastic wallboard is fixed on the rectangular bottom plate. First buckle assemblies are connected to the positions, close to the upper ends, of the vertical supporting rods on the two sides of the face where the plastic door plate is located, the first buckle assemblies are connected with steel bars, and second buckle assemblies are connected between the steel bars. According to the waterproof tool room, by arranging the structures such as the inserting grooves, the grooves and the inclined planes, sealing connection among all parts is achieved, the waterproof performance of the tool room is improved, various tools stored in the tool room can be better protected, the service life of the tool room can be prolonged, and the practicability of products is improved.

The utility model relates to an airtight clamp. The airtight clamp comprises a clamp body and a pressurizing sealing ring, the clamp body comprises a pipe through hole which penetrates through the two ends of the clamp body and is used for a test sample to penetrate, and a positioning boss is arranged on the hole wall of the pipe through hole in a protruding mode and used for being matched with the test sample in an abutting mode. The pressurizing sealing ring is arranged in the pipe through hole and used for being arranged on the test sample in a sleeving mode, and the pressurizing sealing ring has a pressurizing state in which the pressurizing sealing ring expands in the radial direction after pressurizing and a shrinking state in which the pressurizing sealing ring shrinks in the radial direction after pressure relief. The airtight clamp is convenient to operate and good in sealing effect.

The present invention belongs to the technical field of fresh refrigerated transportation, and specifically is a breathable and waterproof fresh refrigerated transportation box, comprising an inner box body, an outer box body and a breathable component; two sets of breathable components are arranged, one set is arranged at the top of the inner box body, and the other set is arranged at the bottom of the inner box body; the breathable component at the top of the inner box body is in a ventilated state, and the breathable component at the bottom of the inner box body is in a closed state; the present invention arranges two sets of breathable components, specifically, arranges the breathable component at the top of the inner box body in a ventilated state, and the breathable component at the bottom of the inner box body in a closed state, thereby enabling water for preservation to be added to the inner box body, thereby ensuring that the fresh products in the inner box body are placed in a ventilated and moisturizing preservation environment for transportation; at the same time, it can ensure that the water in the transport box will not spill in a bumpy carriage or during transportation, thereby ensuring that the environment will not be polluted during transportation.

The application discloses a kind of FPC temperature acquisition structures, including the temperature acquisition component of connecting aluminum-based FPC, temperature acquisition component includes integrally injection-molded temperature acquisition shell and conductor structure, temperature acquisition shell includes temperature acquisition part with temperature sensor and positioning part with connecting window, conductor structure is formed by copper material connecting piece and aluminum material connecting piece composite Copper material connecting piece is extended to temperature acquisition part and connected with temperature sensor, and aluminum material connecting piece is welded with aluminum-based FPC at connecting window position, the combination of same metal is better, welding strength is high and contact area is large, improve electrical contact performance, so that temperature information collected by temperature sensor can be reliably transmitted to FPC product, this conductor structure is designed using copper-aluminum composite structure, with high bonding strength, excellent conductivity and thermal conductivity, easy to weld, low contact resistance characteristics, can meet the welding requirements of conductor structure and aluminum-based FPC, also can reduce production cost, improve product performance.

The present invention belongs to the application field of uranium enrichment process, and specifically discloses a ceramic valve core vacuum regulating valve, wherein the valve seat and the valve core are made of ceramic material, the valve seat is located inside the valve body and is fixedly connected to the valve body; the valve core is located inside the valve seat and is connected with the valve seat; the bracket is located above the valve body and is fixedly connected to the valve body; the actuator is located above the bracket, the valve stem is located inside the bracket, and the valve stem is respectively fixedly connected to the actuator and the valve core; the bellows and the packing device are sleeved on the valve stem, the bellows is located inside the bracket, the packing device is located above the bellows, the packing device is fixedly connected to the bracket, and the bellows is fixedly connected to the packing device; the disc spring and the disc spring pressure plate are sleeved on the packing device, the disc spring pressure plate is located above the disc spring, and the disc spring pressure plate is fixedly connected to the bracket. The valve core and valve seat of the present invention are made of ceramic material, have good abrasion resistance, high processing accuracy, and good sealing performance.

The utility model discloses a sewage and waste gas collecting pipeline, which comprises a glass fiber reinforced plastic pipeline and a bell and spigot at the front end of the glass fiber reinforced plastic pipeline, a plurality of annular sealing grooves are arranged on the inner side of the bell and spigot, and an inflatable telescopic sealing component is arranged in each sealing groove. The sealing grooves are formed in the two adjacent glass fiber reinforced plastic pipelines, the inflatable telescopic sealing assemblies are arranged in the sealing grooves, bell and spigot sealing connection of the glass fiber reinforced plastic pipelines can be achieved, waste gas in the glass fiber reinforced plastic pipelines is prevented from leaking, meanwhile, shaking caused by waste gas disturbance can be buffered through the inflatable telescopic sealing assemblies, and loosening of the connecting joint of the two adjacent glass fiber reinforced plastic pipelines is avoided; and the sealing performance of glass reinforced plastic pipeline connection is ensured.

This utility model relates to the field of drainage pipe technology and discloses a quick-sealing connector for drainage pipe interfaces. It includes a drainage pipe body, with a connector body located at the right end of the drainage pipe body. Two mounting plates are fixedly connected to the top of the connector body. A groove is formed at the top of the connector body, located at one end of each mounting plate close to the other. The two mounting plates are connected by a limiting bolt threaded to the inner wall of a nut. This utility model ensures alignment of the connector body with the drainage pipe body by placing the connector body at the right end. A rotating ring is fixed to the right end of the drainage pipe body, and then a connecting ring is fixed to the right end of the rotating ring, ensuring a tight connection between them. A fixing block is fixed to the right end of the connecting ring, ensuring a tight fit between the external thread on the left end of the fixing block and the internal thread of the connecting ring. A waterproof rubber ring is installed between the connecting ring and the fixing block.

The utility model discloses a ventilation and exhaust flexible connection device which comprises a first flange piece, a second flange piece, a rubber ring and a flexible connection cylinder, the first flange piece is connected with a conveying cylinder, the second flange piece is connected with a containing cylinder, one end of the flexible connection cylinder is arranged on the conveying cylinder in a sleeved mode and connected with the conveying cylinder in a sealed mode, and the other end of the flexible connection cylinder is connected with the containing cylinder. The other end of the flexible connecting cylinder is arranged on the containing cylinder in a sleeving mode and connected with the containing cylinder in a sealed mode, the rubber ring is arranged on the inner circumferential wall of the containing cylinder, the end, away from the first flange piece, of the conveying cylinder penetrates through a hollow area of the rubber ring, and the end, connected with the first flange piece, of a bottom plate of the conveying cylinder is higher than the other end of the bottom plate of the conveying cylinder. The ventilation and exhaust flexible connection device is novel in structure, and axial stress and radial stress can be well eliminated. And moreover, condensate formed in the ventilation and exhaust flexible connection device cannot stay in the ventilation and exhaust flexible connection device.

The utility model relates to battery manufacturing equipment technical field especially relates to a kind of battery sealing mechanism. In battery sealing mechanism, upper die assembly includes upper plate, upper die, first wedge and second wedge;Lower die assembly includes first lower plate, second lower plate, first butt joint, second butt joint, first lower half die and second lower half die;Lifting drive assembly drives the upper plate to move, the first wedge is driven along the movement by the first butt joint with the first lower plate, the second wedge is driven along the movement by the second butt joint with the second lower plate, the first lower half die and the second lower half die are merged to clamp battery shell, the upper die cover is combined on the first lower half die and the second lower half die, to be used to drive the upper portion of battery shell inwardly bending and wrapping around positive cap. The structure of the battery sealing mechanism is simple, the manufacturing cost is low, the stability is high, and the sealing quality of the battery is guaranteed.

The utility model relates to a ventricular assist device. The ventricular auxiliary device comprises a pump body, an artificial blood vessel, a clamping assembly and a sealing ring, the pump body is provided with an outlet pipe, the outlet pipe is sleeved with the artificial blood vessel, the artificial blood vessel is sleeved with the sealing ring, the sealing ring comprises a first annular end and a second annular end which are oppositely arranged in the axial direction of the sealing ring, the sealing ring is provided with a notch penetrating through the first annular end to the second annular end, and the clamping assembly is arranged on the peripheral face of the sealing ring. When the clamping assembly clamps, the width of the notch can be reduced, so that the sealing ring is locked to the artificial blood vessel, and the artificial blood vessel is in sealing joint with the outlet pipe. According to the ventricular auxiliary device, the sealing ring is arranged between the clamping assembly and the artificial blood vessel, so that the artificial blood vessel and the outlet tube can be hermetically connected, and the phenomenon of blood leakage between the artificial blood vessel and the outlet tube can be avoided; the notch of the sealing ring enables the inner diameter of the sealing ring to be changeable so as to adapt to outlet pipes of different sizes.

The application provides a sample adding device, which comprises a container adapted to contain reagents and comprising a container mouth; a sample adding mechanism arranged at least partially in the container and in communication with the interior and exterior of the container to deliver the reagents in the container to the exterior of the container; an interface mechanism adapted to connect the container mouth and the sample adding mechanism; the interface mechanism comprises an interface penetrating along the axial direction of the container mouth, and a support and a bearing member successively sleeved in the interface; the interface is detachably sleeved on the outer periphery of the container mouth, and there is a gap between the interface and the support to adapt to receiving the side wall of the container mouth; the bearing member is sleeved on the outside of the sample adding mechanism; first and second sealing rings are arranged between the support and the bearing member and between the support and the side wall of the container mouth respectively to seal the connection of the interface mechanism with the sample adding mechanism and the container mouth respectively. By using the application, simple assembly between the container and the sample adding mechanism can be realized, and sealing between the container and the sample adding mechanism can be realized.

The utility model discloses a seamless connection type LED light bar, which belongs to the technical field of LEDs and comprises a mounting plate and an LED light body, the bottom surface of the LED light body is mounted on the top surface of the mounting plate, two end surfaces of the mounting plate are respectively welded with a fixing plate and a plug board, one side of the fixing plate far away from the mounting plate is fixedly connected with two plug rods through grooves, and the plug rods are fixedly connected with the mounting plate through the grooves. The side face of the inserting rod is sleeved with a fixed magnetic ring, the side face of the fixed magnetic ring is connected with a movable magnetic ring in a magnetic attraction mode, movable sleeves are welded to the side face of the movable magnetic ring, the inner side walls of the movable sleeves are connected with the inserting rod in an inserting mode, the end faces of the two movable sleeves are welded to an inserting plate, and the side face of the inserting plate is fixedly connected with two second metal sheets through formed grooves. According to the LED lamp strip, the phenomenon that when the LED lamp strip is assembled and connected, external dust flows into the LED lamp strip through a connecting gap, and consequently circuit elements of the LED lamp strip are short-circuited and damaged is avoided, and the service life of the LED lamp strip is prolonged.

The utility model discloses a self-moving anti-seepage outdoor power distribution cabinet, which belongs to the technical field of outdoor power distribution cabinets, and comprises an outer box body, an inner box body is arranged in the outer box body, the bottom of the inner box body is fixedly mounted in the outer box body through a mounting block, an interlayer is arranged between the outer box body and the inner box body, and the bottom of the interlayer is separated by the mounting block. A heat conduction plate is fixedly embedded in the surface of the inner wall of the inner box body, heat dissipation fins are fixedly installed at the positions, corresponding to the heat conduction plate, of the outer surface of the inner box body, and refrigeration pieces are fixedly installed between the heat dissipation fins and the heat conduction plate through heat conduction silicone grease. The heat conduction plates arranged on the inner wall of the inner box body are matched with the refrigeration pieces, the heat conduction rods and the heat dissipation fins, heat is conducted into the interlayers in a heat transfer mode, then ventilation and heat dissipation are carried out on the interiors of the interlayers, and therefore the heat dissipation purpose is achieved, and the efficient heat dissipation function is achieved while the sealing state of the interior of the inner box body is guaranteed.

The invention discloses an anti-vibration and wear-resistant connecting device for a dust removal air pipe of a vibrating feeder, and relates to the technical field of vibrating feeders, the anti-vibration and wear-resistant connecting device comprises a connecting flange, a flexible rubber shell is fixedly connected to the inner side of the connecting flange, and protective covers are fixedly connected to the top and the bottom of the connecting flange correspondingly; according to the vibration feeder, the flexible rubber shell and the sealing mechanism are arranged, vibration force generated during operation of the vibration feeder is effectively absorbed and isolated, so that the problem of weld joint breakage of the dust removal air pipe is solved, meanwhile, the sealing mechanism of the device can ensure that the dust removal air pipe keeps good sealing performance in the vibration process, dust leakage is prevented, and the service life of the dust removal air pipe is prolonged. Particularly, when the dust removal air pipe of the vibrating feeder is connected, the connecting port is fixed to the outer wall of the air pipe, the hydraulic push-pull rod is operated to contract, the sliding disc is driven to move inwards along the sleeve, then the connecting rod and the polygonal connecting frame are pulled to move inwards, and the rotating rod is rotated by the hinge block on the connecting frame.

The oil field slurry flow detector comprises a flow detector body, the flow detector body comprises a measuring tube, a detection mechanism is installed on the inner wall of the top of the measuring tube, the two ends of the measuring tube are both fixedly connected with round installation boxes, the sides, away from each other, of the two round installation boxes are both provided with openings, and the openings are communicated with the measuring tube. Communicating holes communicated with the interior of the measuring tube are formed in the inner walls of the sides, close to each other, of the two circular mounting boxes, and elastic sealing rings are fixedly arranged in the circular mounting boxes in a sleeving manner. By arranging a series of structures, drilling mud pipes of different specifications can be clamped and fixed, sealing connection between the measuring pipe and the drilling mud pipes of different specifications is achieved through the elastic sealing ring arranged in a matched mode, the application range is widened, the use flexibility is improved, and the use requirement is met.

The utility model belongs to the technical field of glue production equipment, and particularly discloses a quick connection structure of a filter and a material cylinder, which comprises the filter, a movable nut and a glue outlet pipe arranged at the bottom of the side wall of the material cylinder, the two ends of the filter are respectively provided with a feeding pipe and a discharging pipe, an outer limiting flange is integrally formed in the middle of the outer wall of the feeding pipe, and the outer limiting flange is connected with the movable nut. The movable nut is movably arranged on the feeding pipe in a sleeved mode, an inner limiting flange is integrally formed at the position, close to one end, of the inner wall of the movable nut, the feeding pipe can be connected into the glue outlet pipe in an inserted mode, and when the movable nut is in threaded connection with the glue outlet pipe, the end of the inner limiting flange and the end of the glue outlet pipe abut against the two ends of the outer limiting flange respectively. Only one person is needed in the whole operation process, the filter and the material cylinder are rapidly connected in a sealed mode, the glue leakage phenomenon is avoided, and therefore labor can be saved, and production efficiency is improved.

The present application discloses an electronic cigarette atomization component, a method for preparing an atomization core, and an electronic cigarette. The electronic cigarette atomization component comprises: a shell, wherein the shell has a liquid storage chamber and an atomization chamber, and the shell is provided with an air outlet channel, wherein the atomization chamber is connected to the air outlet channel; an atomization core, wherein the atomization core is arranged in the shell, wherein the atomization core comprises a porous body and a heating element, wherein the porous body has a liquid absorption surface and an atomization surface arranged opposite to each other, wherein the liquid absorption surface is connected to the liquid storage chamber, wherein the atomization surface is connected to the atomization chamber, and wherein the heating element is arranged on the atomization surface; wherein a first sealing layer is arranged on at least part of the outer surface of the porous body, and a second sealing layer is arranged on at least part of the outer surface of the first sealing layer, wherein the second sealing layer contacts the inner wall surface of the shell to form a seal, and wherein the hardness of the first sealing layer is greater than that of the second sealing layer.

The invention relates to the technical field of oil and gas drilling, in particular to a mechanical dynamic seal structure, a motor dynamic seal mounting structure and a seal testing device.The mechanical dynamic seal structure comprises a mechanical dynamic seal static ring and a mechanical dynamic seal dynamic ring which are coaxially arranged, and a mechanical dynamic seal static ring support is arranged on the inner side of the mechanical dynamic seal static ring; a mechanical dynamic sealing movable ring bracket is arranged on the inner side of the mechanical dynamic sealing movable ring; a first annular groove is formed in one end of the mechanical dynamic sealing static ring support, and a static ring alloy ring is arranged in the first annular groove. A second annular groove is formed in one end of the mechanical dynamic sealing movable ring support, and a movable ring alloy ring is arranged in the second annular groove. The static ring alloy ring and the moving ring alloy ring are hermetically and rotatably abutted against each other; an expansion ring is fixedly arranged on the inner side of the other end of the mechanical dynamic sealing movable ring, and a sealing top cover is fixedly arranged at the other end of the mechanical dynamic sealing movable ring in a sealing mode. The static ring alloy ring and the movable ring alloy ring rotate mutually, movable sealing is achieved through the oil film, the sealing effect is improved, and the sealing ring can be suitable for sealing in the high-temperature and high-pressure severe working environment.

The utility model provides a cable insulation layer extrusion device which comprises a refrigeration water tank, the left end and the right end of the refrigeration water tank are both fixedly connected with supporting plates, an insulation layer extruder is jointly and fixedly connected between the upper portions of the opposite faces of the two supporting plates in a penetrating mode, and a feeding stirring tank is fixedly connected to the right portion of the upper end of the insulation layer extruder in a penetrating mode. Supporting frames are fixedly connected to the upper portion of the front end and the upper portion of the rear end of the supporting plate on the left side, a smoke removal mechanism is jointly and fixedly connected between the upper ends of the two supporting frames, a limiting strip is fixedly connected to the middle of the upper end of the refrigeration water tank, and a water inlet pipe is fixedly connected to the front portion of the upper end of the refrigeration water tank in a penetrating mode. According to the cable insulation layer extrusion device, the cooling assembly is arranged, the heat dissipation and cooling effects of the extruder are improved, the processing effect on an insulation layer is enhanced, the smoke removing mechanism and the smoke filtering mechanism are arranged, a filter screen is convenient to clean, the smoke filtering effect is enhanced, the sealing performance is improved, and the cable insulation layer extrusion device is suitable for being widely used.

The utility model relates to a liquid heating container which comprises a body and a cover assembly. The body comprises a body liquid outlet nozzle; the body steam inlet is formed in the position, opposite to the body liquid outlet nozzle, of the inner wall of the container opening; the annular body sealing surface is arranged on the inner wall of the container opening and is positioned below the body steam inlet and the body liquid outlet nozzle; the first body bump and the second body bump are respectively arranged on the first side and the second side of the body liquid outlet nozzle. The cover assembly includes: a cover steam outlet; covering the steam inlet; the cover liquid outlet is located at the position opposite to the cover steam outlet; the cover sealing ring is arranged at the lower end of the cover assembly; two pairs of cap tab assemblies, each pair including a cap tab and a guide ramp spaced apart from each other to form a receiving space therebetween. The cover assembly can rotate to enable the first body protruding block and the second body protruding block to enter the corresponding receiving spaces to be screwed into the container opening, when the first body protruding block and the second body protruding block are screwed in place, compression sealing is achieved between the cover sealing ring and the body sealing face, the cover steam outlet is aligned to the body steam inlet, and the cover liquid outlet is aligned to the body liquid outlet nozzle.

The present invention relates to the technical field of motor shaft processing, specifically to a quenching and tempering equipment in motor shaft processing, comprising an equipment carrier, a heat treatment box is fixedly arranged at one end of the equipment carrier, guide matching vertical rods are symmetrically fixedly arranged at the upper and lower ends of the heat treatment box, and support side plates are symmetrically fixedly arranged on both sides of the heat treatment box, support slide rails are fixedly arranged on the support side plates, and a load-bearing matching end plate is fixedly arranged at the other end of the equipment carrier, and the other end of the support slide rail is fixed on the load-bearing matching end plate. The present invention also relates to a motor shaft quenching and tempering processing method, comprising the following steps: step one: placing the motor shaft; step two: transferring the motor shaft; step three: quenching the motor shaft; step four: rapid cooling after quenching; step five: tempering the motor shaft; step six: natural cooling.

The utility model relates to the technical field of bearings, in particular to a sealed bearing which comprises a bearing inner ring and a bearing outer ring, the bearing inner ring is located in the bearing outer ring, two clamping rings are formed on the outer wall of the bearing inner ring, a limiting ring is arranged on the axial inner side of any clamping ring, a plurality of balls are movably arranged between the two limiting rings, and the balls are arranged on the outer wall of the bearing inner ring. The two axial ends of the bearing outer ring are respectively in threaded connection with a sealing ring, a sealing block is formed at the inner diameter position of any sealing ring, the sealing block is embedded into the inner side of the clamping ring to be fixed, and a sealing cover and a filling gasket are arranged between the two sealing rings. The bearing outer ring is in threaded connection with the sealing ring, the sealing block is formed in the bearing inner ring and clamped with the clamping ring, so that the bearing outer ring and the bearing inner ring are in sealed connection, the sealing structure is located in the sealing ring and does not make contact with external equipment, and the sealing stability is high; and the sealing cover is arranged to shield a connecting gap between the bearing outer ring and the external bearing seat, so that the sealing performance is high.

The present invention discloses a circuit board for a power battery of a new energy vehicle, which belongs to the technical field of circuit boards, and comprises a circuit board body and a protective shell for installing the circuit board body, wherein the circuit board body is located inside the protective shell, and adapter plugs are embedded at both ends of the protective shell, and the ends of the adapter plugs facing each other penetrate into the inner cavity of the protective shell and fit the circuit board body. The present invention fixes and limits the protective cover plate and the protective shell by a limiting component, and at the same time extrude the sealing strip to achieve sealing protection for the circuit board body, and at the same time, the circuit board body is electrically connected to an external connection by using the adapter plug to ensure the normal operation of the circuit board body, and then the heat dissipation structure is used to diffuse the heat generated by the operation of the internal circuit board body, and at the same time, it can avoid the circuit board body being directly connected to the external space, causing the external heat to enter the inside of the protective shell, and effectively protect the circuit board body.

The utility model belongs to filter equipment technical field provides a needle filter, include: upper casing, including the liquid inlet pipe and upper casing disc that are connected, the edge of upper casing disc is equipped with a plurality of through -hole that passes through upper casing disc, lower casing, including the liquid outlet pipe and lower casing disc that are connected, edge structure, the circumferential of upper casing disc and lower casing disc is covered, to carry out sealed connection to upper casing and lower casing, when upper casing and lower casing assembly, upper casing disc cover is covered on lower casing disc, the circumferential of upper casing disc and lower casing disc is poured to form the edge structure through the pouring process, the edge structure at least partial access to the through -hole, and after forming, the card is established in the through -hole, the edge structure of the utility model can bear higher pressure, avoid in the use process too high pressure leads to filter membrane breakage, and when the liquid inlet pipe liquid, can increase burst pressure, improve liquid flow rate.