43results about How to "Avoid damp and rust" patented technology

The invention relates to a stable-to-mount transformer box with a heat dissipation function. The transformer box comprises a shell; a fixed plate is arranged above the shell; pointed type ground grabbing nails are arranged at the four corners of the bottom of the shell; a counterweight base is arranged below the shell; screw rods are fixedly arranged on the left side and the right side of the counterweight base; the screw rods run through the fixed plate and are provided with first gears; the inner sides of the first gears are meshed with second gears; the second gears are fixedly connected with rotating shafts; the rotating shafts are connected with a double-output shaft motor; a dry powder bin is arranged at the top in the shell; an electromagnetic valve is arranged below the dry powderbin; a power switch, a temperature and humidity sensor and an exhaust fan are arranged on the side walls in the shell; the exhaust fan is connected with a heat exchanger through a pipeline; a transformer shell is arranged in the shell; hydraulic devices are arranged on the left side and the right side of the shell; and hydraulic rods are connected to the inner sides of the hydraulic devices. The transformer box has the advantages of being good in protection performance, timely in heat dissipation, firm in fixation and capable of preventing a fire.

The invention provides a computer memory plugboard fixing device based on connecting rod transmission, and relates to the technical field of computer memories. The computer memory plugboard fixing device comprises a mounting plate, and a supporting shell is fixedly connected to the top of the mounting plate through springs; round holes are formed in the upper side and the lower side of the supporting shell, a drying bag is placed in the supporting shell, a through hole is formed in the bottom of the mounting plate, and a groove is formed in the top of the mounting plate. According to the computer memory plugboard fixing device based on connecting rod transmission, air circulation at the bottom after the circuit board is installed is ensured; the circuit board is kept dry, damp corrosion ofthe circuit board is avoided, the inserted memory bank can be kept in normal use, screws do not need to be adsorbed and aligned, and the circuit board can be installed more conveniently and rapidly;meanwhile, the screw loss is avoided, and the stable installation of the circuit board is guaranteed.

The waterproof bulb lamp holder structure comprises a bulb lamp holder base and a bulb lamp holder connecting pipe, a plurality of fixing holes are formed in the portion, on the outer side of the bulb lamp holder connecting pipe, of the bulb lamp holder base at equal intervals, and a limiting plate is fixed to the end, away from the bulb lamp holder base, of the bulb lamp holder connecting pipe. A fixing sleeve is connected to the portion, between the limiting plate and the bulb lamp holder base, of the bulb lamp holder connecting pipe in a threaded and sleeved mode, and a sealing cover is fixed to the outer surface of the fixing sleeve. By means of the movable sealing cover, when the bulb lamp holder is used, a bulb lamp is screwed into the bulb lamp holder connecting pipe, then the sealing cover is screwed to abut against the upper surface of the bulb lamp to be attached to the bulb lamp, sealing of the joint of the bulb lamp holder connecting pipe and the bulb lamp can be guaranteed, water is prevented from entering the bulb lamp holder connecting pipe, and the problem that an existing bulb lamp holder is poor in waterproof performance is solved. And the service life of the lamp holder main body can be better guaranteed while the lamp holder main body is prevented from being damped and rusted.

The invention discloses an IC card intelligent prepayment water meter convenient to observe which comprises a water meter body, a clamping groove protection structure, a fixing plate and an inclination angle adjusting assembly, a fixing hole is formed in the fixing plate, the inclination angle adjusting assembly is arranged on the fixing plate, the water meter body is arranged on the inclination angle adjusting assembly, a clamping groove is formed in the water meter body, and the clamping groove protection structure is arranged on the water meter body and corresponds to the clamping groove. The invention relates to the technical field of intelligent water meters, in particular to an IC card intelligent prepayment water meter convenient to observe, a movable protective shell is matched with a fixed shell, sealing protection of a clamping groove is achieved, and the inner space of the movable protective shell and the fixed shell is dehumidified through the action of a dehumidification pump; the metal induction sheet in the clamping groove is prevented from being damped and rusted due to a humid environment; and meanwhile, through the arrangement of the inclination angle adjusting assembly, the inclination angle of the water meter body can be conveniently adjusted, and data on the water meter body can be conveniently observed in cooperation with the sound control induction lighting lamp strip.

The invention discloses a steel rust prevention oil. The steel rust prevention oil is prepared from 30-40 parts of heat conduction oil, 15-17 parts of a polyester emulsion, 8-10 parts of isopropyl myristate, 5-7 parts of pentaerythritol oleate, 6-9 parts of fatty acids, 1-2 parts of sodium benzoate, 2-3 parts of diammonium phosphate and 1-4 parts of triethanolamine oleate. The steel rust prevention oil has the advantages of good rust prevention effect, avoiding of the rusting problem of the steel due to dampness, long antirust cycle, substantial rust resistance, low cost and high efficiency.

The invention discloses a spiral cooling runner motor housing, which comprises a base, a housing shell and a metal spiral plate, wherein the base is horizontally arranged and is used for being fixedlyconnected with a fixed plate in a motor drive system; the metal spiral plate is formed by a metal plate which is processed into a spiral form; one end of the metal spiral plate is located at the center position and is vertically downward to form a mounting support column and the bottom end of the mounting support column is welded and fixed on the base; meanwhile, the other end of the metal spiralplate is located at the center position and is also vertically upward to form a damping support column and the top end of the damping support column is fixedly connected with the bottom end surface of the housing shell; the cross section of the metal spiral plate is round and an anti-rust paint layer coats the outer surface; and an annular cooling ring sleeves the outside of the housing shell andis clung to an outer wall of the housing shell, and a spiral linear channel is formed in the housing shell from top to bottom. The spiral cooling runner motor housing is simple in structure and convenient to use, fast cooling of a motor can be achieved during damping and the service life of the motor is prolonged.

The invention discloses an electric power tool storage cabinet with a drying effect. The electric power tool storage cabinet comprises a main cabinet body, wherein an upper partition plate is arrangedat the upper part of the main cabinet body; the side wall of the upper partition plate is fixed on the inner side wall of the upper part of the main cabinet body; a backflow through hole is formed inthe middle of the upper partition plate; vertical partition plates are fixed on the bottom surfaces of the left part and the right part of the upper partition plate; the bottom surfaces of the vertical partition plates are fixed on the top surface of a bottom plate of the main cabinet body; the rear wall surfaces of the vertical partition plates are fixed on the front wall surface of a rear wallplate of the main cabinet body; a plurality of circulation through holes are formed in the vertical partition plates; circulating heating cavities are formed between the vertical partition plates andside plates of the main cabinet body; upper through holes are formed in the left part and the right part of the upper partition plate; and the upper through holes communicate with the corresponding circulating heating cavities. The electric power tool storage cabinet can automatically heat and dry electric power tools in the main cabinet body to prevent the electric power tools from being affectedwith damp and rusted, does not need manual wiping, and is good in effect.

The invention discloses a motor shell. The motor shell includes a pedestal, a shell body and a metal spiral plate, wherein the pedestal is arranged horizontally, and is used for fixedly connecting with a fixed plate in a motor driving system; the metal spiral plate is made of a metal plate which is processed into a spiral shape; a mounting support is formed at one end, vertically downward at the center position, of the metal spiral plate; the bottom end of the mounting support is fixed on the pedestal through soldering; a damping support is formed at the other end, vertically upward at the center position, of the metal spiral plate is at the same time; the top end of the damping support is fixedly connected with the bottom end surface of the shell body; the cross section of the metal spiral plate is a circle, and the outer surface of the metal spiral plate is coated with a rust preventive petrolatum paint layer; a ringlike cooling ring sleeves the shell body, and is attached to the outer wall of the shell body, and a ringlike water channel is formed in the shell housing; and the ringlike water channel is provided with a water inlet and a water outlet. The motor shell is simple in structure and is convenient to use, and can realize damping and quickly cooling of the motor at the same time, thus prolonging the service life of the motor.

The invention discloses a wire rod packaging sleeve and belongs to the technical field of packaging materials. The wire rod packaging sleeve comprises a body (1), wire holes (2) and a label (3). The wire holes (2) are formed in the side wall of the body (1). The label (3) is arranged on the upper portion and the lower portion of the side wall of the body (1). The wire holes (2) are circular or rectangular. The label (3) is rectangular or oval. By means of the wire rod packaging sleeve, packaging is fast, time is saved, and the surface of a wire rod can be prevented from being scratched and prevented from being affected with damp and rusted; and the label can be hung on the body or the surface of the packaging sleeve is marked with the company name and identification, so that the delivery quality of the wire rod is improved, and consumer complains and the loss generated by the consumer complains are reduced. The wire rod packaging sleeve has larger popularization value in the technical field of the packaging materials.

The invention discloses a power transmission line tool management method for equipment closed-loop management, and the method comprises the steps: installing a plurality of placement boxes in a tool cabinet, adhering position labels to the lower sides of the plurality of placement boxes of the tool cabinet, fixedly installing scanners on the front side walls of the position labels, and installing wear detectors on the upper sides of the plurality of placement boxes of the tool cabinet, wherein the storage box comprises a box body, a supporting plate is fixedly connected to the interior of the box body, and a plurality of storage holes are formed in the supporting plate. Closed-loop management can be carried out on the warehouse tools and instruments, by means of an informatization management platform, the standard with breadth, the management with depth, the management with strength and the supervision persistence are achieved, the warehouse tools and instruments are managed comprehensively, scientifically and holographically, a perfect process management flow is established, the safety guarantee effect of the tools as safety production is ensured, and the available coefficient and the standard management level of the safety production tools are improved.

The invention discloses a device for adjusting the height of a distribution box plate storage rack. The device comprises a storage rack, wherein a hydraulic cylinder is arranged at the bottom of the storage rack; one end of a piston rod of the hydraulic cylinder is fixedly arranged at the bottom of the storage rack, and is perpendicular to the bottom of the storage rack; one end of the hydraulic cylinder is fixedly arranged on a base; a ruler is also fixedly arranged on the base. The device has the advantages that the bottom of the storage rack can be adjusted to be away from the ground, and goods in the storage rack can be prevented from being affected with damp and rusted.

The invention discloses a steel anti-rust oil, which is prepared from the following materials: 30-40 parts of thermal conduction oil, 15-17 parts of polyester emulsion, 8-10 parts of isopropyl myristate, 5-7 parts of pentaerythritol oleate, 6-9 parts of fatty acid, 1-2 parts of sodium benzoate, 2-3 parts of diammonium phosphate, and 1-4 parts of triethanolamine oleate. According to the present invention, the steel anti-rust oil has advantages of good anti-rust effect, long anti-rust period, significant corrosion resistance, low cost and high efficiency, and can avoid the problem of moisture induced rust of steels.

The invention relates to the field of power maintenance tools, and specifically discloses a moistureproof storage box for power maintenance tools. The moistureproof storage box comprises a box body, LED (Light Emitting Diode) lamps, a storage battery and a door body, wherein an opening is formed in the box body, an annular sealing strip is arranged at the opening of the box body, the box body comprises an upper box body and a lower box body, moistureproof plates are respectively arranged on the inner bottom ends of the upper box body and the lower box body, the LED lamps are respectively arranged inside and outside the box body, the storage battery is arranged in the box body and is electrically connected with the LED lamps, and the door body is configured, so that the opening can be opened or closed, and the door body can be abutted with the sealing strip when the opening is closed by the door body. Compared with the prior art, the moistureproof storage box for the power maintenance tools has the beneficial effects that the sealing strip and the moistureproof plates are arranged, so that the interior of the box body can be kept dry, and the tools are prevented from being affectedwith damp and rust; the LED lamps are arranged, so that illumination can be provided in the condition of insufficient light; and the storage battery is arranged, so that a power supply is provided forthe LED lamps in the environment without a socket.

The invention relates to the technical field of nuts, in particular to a nut structure for a precise fastener of server equipment, which comprises a first half nut, a second half nut is clamped on the surface of the first half nut, a rotating empty bin is rotatably connected to the top of the first half nut and the top of the second half nut, and a sector plate is fixedly connected to the surface of the rotating empty bin. An air drying device is arranged in the first half nut, a sealing cavity is formed in the portion, located above the air drying device, of the first half nut, an inserting device is arranged in the sealing cavity, and an auxiliary fixing device is arranged on the surface of the second half nut. The fan plates are driven by wind power to drive the rotating empty bin to rotate on the two nuts, the effect of increasing the circulation rate of gas around the nuts is achieved, the problem that the surfaces of bolts are wet and rust is avoided, and the effect of rapidly fixing the nuts is achieved by arranging the inserting devices; and the separable nut structure is adopted, so that an operator can conveniently and quickly fix the nut.

The invention discloses an automatic sampler with the adjusting function for environmental pollution detection, which comprises a base and a bolt, a magnetic plate is fixed to the upper portion of thebase, the bolt is installed above a stand column, a positioning hole is formed in the upper portion of a movable column, a sliding rod is installed above a cross beam, and a positioning end is installed above a sliding block; a connecting rod is fixed below the cross beam, a pipeline is arranged below the rotating shaft, a magnetic block is fixed below the sampling cup, a connecting pipe is connected to the left side of the pipeline, a first through hole is formed in the flow guide pipe, a gasket is arranged below the first stud, and a filter screen is mounted in the connecting pipe; and a second stud is arranged on the right side of the second stud. The automatic sampler is provided with the movable column, so that the automatic sampler has a height adjusting function, the automatic sampler is provided with the filter screen, so that the automatic sampler has a filtering function, and meanwhile, the automatic sampler is provided with the positioning end, so that the automatic samplerhas a positioning function.

The invention discloses anti-rust printing ink. The anti-rust printing ink comprises 25-30 parts of waterborne polyurethane resin, 20-30 parts of waterborne acrylic resin, 4-6 parts of pigment, 3-4 parts of a thickening agent, 0.1-0.3 part of a dispersing agent, 5-6 parts of alcohol amine modified amorphous silica anti-rust filler, 30-40 parts of ethanol and 10-15 parts of deionized water. Alcoholamine modified amorphous silica is dispersed in the printing ink, and a compact passivation protective film can be formed on the surface of a metal product, so that the metal product is not easy to rust, and the packaging and printing effect of the metal product is guaranteed. In addition, the added alcohol amine modified amorphous silica anti-rust filler can be well fused with other components,and a synergistic effect is achieved, so that the stability, compactness and viscosity of the protective film are enhanced; and the anti-rust performance of the printing ink is enhanced, and the metalproduct is effectively prevented from rusting.

The invention discloses a copper bar bending die head. The copper bar bending die head comprises a main body protection box, wherein a lifting cavity is fixedly connected to the middle of one side of the main body protection box; a clamping plate is slidably connected to the top end of one side of the lifting cavity; a first limiting block is fixedly connected to one end of one side of the clamping plate; a first limiting groove is slidably connected to an outer side of the first limiting block; a limiting sliding rod is slidably connected to the middle of an inner side of the first limiting block; a limiting rotating rod is arranged in the middle of an inner side of the clamping plate; and an adjusting pull frame is fixedly connected to the middle of the top end of the clamping plate. The invention has the beneficial effects that it is convenient to replace a die, and die replacement is convenient; compared with a mode in which an unused die is disassembled and then a needed die is installed on a stamping device, the invention is rapid, time-saving and labor-saving; clamping and bending of a copper bar are facilitated, and during bending, the copper bar can be prevented from deviating; and damp-proof protection can be conveniently conducted on the unused die, and the die can be prevented from being affected with damp and rusting.

The utility model relates to the technical field of electrical cabinet equipment, in particular to a dehumidification and rust prevention device in an electrical cabinet of an offshore wind turbine generator, which comprises an electrical cabinet body, a cabinet door is movably mounted at the front end of the electrical cabinet body through a hinge, and a sliding device is jointly slidably connected between the middle of a left box wall and the middle of a right box wall of the electrical cabinet body. The lower part of the left box wall and the lower part of the right box wall of the electrical cabinet body are jointly and fixedly connected with a moisture-proof device, and the right part of the front end of the cabinet door is fixedly connected with a handle; the moisture-proof device comprises a connecting plate, and the connecting plate is fixedly connected to the lower part of the inner box wall of the electrical cabinet body. According to the dehumidification and rust prevention device in the electrical cabinet of the offshore wind turbine generator, the moisture-proof device, the sliding device and the fixing assembly are arranged, a threaded connection mode is adopted, disassembly and assembly are convenient, cables are arranged and installed in order one by one, the maintenance time is greatly shortened, the electrical cabinet is effectively prevented from being affected with damp and rusted for a long time, and the service life is prolonged.

The invention is applicable to the technical field of level instrument production and provides a storage cabinet for level instrument production and machining. The storage cabinet comprises a cabinetbody. The cabinet body is provided with cabinet doors. The top of the cabinet body is provided with an air blast box, and the bottom of the cabinet body is provided with an air-blowing box. The innerof the cabinet body is connected with a plurality of sets of carrier structures through a sliding structure, and each set of carrier structure is provided with air passages. The inner of the cabinet body is further provided with a humidity sensor and a temperature sensor. Two sliding wheels are arranged in front of the bottom of the storage cabinet, and two supporting feet are arranged behind thebottom of the storage cabinet. A first movable wheel and a second movable wheel are arranged beside the two supporting feet correspondingly. With the adoption of the storage cabinet for the level instrument production and machining, the phenomenon of dampness and rust in the storage process of a level instrument is avoided, so that the economic loss of production enterprises is avoided; at the same time, the storage cabinet can be stabilized on the ground, so that the level instrument is convenient to place by workers, and the working efficiency is improved.

The invention relates to a non-frame window functional part, in particular to a non-frame window handle. The handle comprises a handle body, wherein the handle body is provided inside with a concave cavity, the bottom part of which is provided with a screw hole; the lower end of the handle body is provided with a locking plate; the opening of the concave cavity is provided with a cover plate; the joint between the locking plate and the handle body is provided with a clipping slot; and the upper surface of the cover plate is provided with convex edges. The invention is simple in structure, and can effectively fix the handle and protect screws used to fix the handle and avoid the wetting and the rustiness of the screws; in addition, the invention also prevents the circumferential rotation of the locking plate and ensures the tightness of a closed window.

The utility model relates to auxiliary machinery technical field discloses a kind of high adaptability roll stacking shelves, including side plate, the downside of side plate is fixedly connected with bottom plate jointly, the upside of side plate is fixedly connected with top plate jointly, the downside left and right ends of top plate are equipped with slide rail, the inside slide rail is connected with slider, the downside of slider is fixedly connected with sliding frame, the inside middle part of sliding frame is fixedly connected with connecting column, the inside of connecting column is provided with retaining component.In the utility model, the motor is started to drive connecting shaft and gear rotation, drive rack moves back and forth, sliding frame can move back and forth in the inside of slide rail through slider, realize roll independent access, and the operation is labor-saving, greatly improve work efficiency, reduce the probability of knock damage between taking roll, when closing door, reduce the influence of external environment on roll, increase ventilation design through the fan setting, improve environmental control, prevent roll from dampness and corrosion.

The invention discloses a steel antirust oil, which is prepared from the following materials in parts by weight: 30 to 40 parts of heat conduction oil, 15 to 17 parts of polyester emulsion, 8 to 10 parts of isopropyl myristate, 5 to 7 parts of pentaerythritol oleate, 6 to 9 parts of fatty acid, 1 to 2 parts of sodium benzoate, 2 to 3 parts of diammonium phosphate, and 1 to 4 parts of triethanolamine oleate. The steel antirust oil has a good antirust effect and prevents steel from being rusted by dampness. The antirust period is long, the anticorrosion effect is obvious, the cost is low, and the efficiency is high.

The invention relates to a tile prefabricating heat preservation pipeline with a dampproof device. The tile prefabricating heat preservation pipeline comprises a work pipe layer, a heat preservation layer, a dampproof layer and an outer sheath layer. The work pipe layer is a work steel pipe. The heat preservation layer is a calcium metasilicate tile. The dampproof layer comprises a waterproof cold sizing material layer, an aluminum foil adhesive tape layer and a graphene dampproof coating, wherein the outer surface of the work steel pipe is directly coated with the waterproof cold sizing material layer, the aluminum foil adhesive tape layer is wound around the outer surface of the calcium metasilicate tile, and the outer surface of the aluminum foil adhesive tape layer is coated with the graphene dampproof coating. The outer sheath layer is an iron sheet layer, and the outer surface of the iron sheet layer is coated with an anti-corrosion coating layer. By means of the tile prefabricating heat preservation pipeline, multiple dampproof protection can be conducted on the heat preservation pipeline, the dampproof performance of the heat preservation pipeline is effectively improved, the dampproof coating is modified through high softness and strong corrosion resistance of grahene, the service life of the dampproof coating is prolonged, and the service life of the heat preservation pipeline is prolonged accordingly.

The utility model discloses electroplating sewage treatment equipment which comprises an equipment body, a supporting frame is fixedly connected to the side face of the equipment body, a water inlet pipe is arranged on the side face of the equipment body, a first fixing ring is sleeved outside the water inlet pipe, a second fixing ring is sleeved outside the water inlet pipe, and a water storage frame is fixedly connected to the bottom of the second fixing ring. A water outlet pipe is arranged on the side face of the water storage frame, and square plates are fixedly connected to the side faces of the first fixing ring and the second fixing ring. According to the electroplating sewage treatment equipment, the supporting frame is installed on the side face of the equipment body, after a water inlet is connected, a first fixing ring and a second fixing ring are connected to the outer portion of a water inlet pipe in a sleeving mode, at the moment, the first fixing ring and the second fixing ring are fixed through a square plate, and a water storage frame can be fixed below the water inlet; when the water inlet permeates, the electroplating wastewater directly drops into the water storage frame, so that the electroplating wastewater can be prevented from dropping into the environment to pollute the environment, and the electroplating wastewater treatment device is more environment-friendly to use.

The invention discloses a domestic hardware tool box which comprises a tool box top, a plurality of tool box drawers, a plurality of handles and a tool box base. The tool box top is connected to the top of the tool box drawer on the upper layer, the handles are installed on the front face of the tool box drawers, and the tool box base is connected to the bottom of the tool box drawer at the bottom. By means of the domestic hardware tool box, hardware tools are prevented from being affected with damp and rusted and are convenient to taken when in use, and the problems that tools are wrongly taken, time is wasted and working efficiency is reduced are avoided.

The invention discloses a display robot broadcasting device capable of keeping normal broadcasting, and relates to the technical field of broadcasting devices.The display robot broadcasting device comprises a broadcasting robot, a broadcasting frame, a circular ring block and a fixing frame, the broadcasting frame is arranged on the left side of the broadcasting robot, and the circular ring block is arranged on the outer surface of the broadcasting robot; a fixing frame is arranged at the top of the circular ring block, and the broadcasting robot comprises a paper disc, an arc elastic rod, a fixing device, a fixing plate, a drainage mechanism, a cleaning mechanism, a through hole plate, a leakage opening, an arc plate and a waterproof mechanism. The fixing plate is arranged in the circular ring plate, the broadcasting robot transmits sound of the broadcasting robot through the leakage opening in the top of the fixing plate, the through hole plate is arranged at the top of the fixing plate, and the situation that rainwater enters the broadcasting robot under the condition of wind blowing, and consequently the two parts are damaged is avoided.

The utility model discloses an air duct structure of a body dryer, and aims to provide an air duct structure of a body dryer, which is favorable for improving the heat dissipation efficiency of a motor, and comprises an air duct body, an air inlet is arranged at one end of the air duct body, and an air outlet is arranged at the other end of the air duct body; the plate filter is detachably mounted in the air inlet of the air duct body; the air direction adjusting assembly is detachably connected to the air outlet of the air duct body; the motor, the main control board and the heater are detachably mounted in the air duct body and are sequentially distributed from the air inlet to the air outlet of the air duct body; and the plurality of radiating fins are vertically and fixedly connected to the outer side of the air duct body and correspond to the motor. The utility model has the beneficial effects that the air outlet direction can be adjusted to enlarge the air sweeping range, so that the applicable range of people with different body types is enlarged, and the practicability is improved; heat generated by the motor is dissipated outwards through the heat dissipation fins, and the purpose of improving the heat dissipation efficiency of the motor is achieved.

The invention discloses an efficient and damping motor shell. A base is arranged horizontally and used for being fixedly connected with a fixed plate in a motor driving system; a metal spiral plate isprepared from a metal plate which is manufaured into a spiral shape; a mounting supporting column is formed in the central position of one end of the metal spiral plate in a vertical downward manner;the bottom end of the mounting supporting column is welded and fixed on the base; a damping supporting column is formed in the central position of the other end of the metal spiral plate in a vertical upward manner; the top end of the damping supporting column is fixedly connected with the bottom end plane of the shell body; the exterior of the shell body is sleeved with an annular cooling ring;the annular cooling ring is attached to the outer wall of the shell body; an annular water channel is formed in the interior; a water inlet and a water outlet are formed in the annular water channel;and multiple damping springs are formed in the outer wall of the annular cooling ring in an outward extension manner. The efficient and damping motor shell is simple in structure, convenient to use, and capable of realizing damping and quick cooling of the motor and prolonging the service life of the motor.

The invention discloses a low-voltage voltage transformer and a manufacturing method thereof, and relates to the technical field of power transmission and transformation equipment and peripheral supporting facilities thereof. A low-voltage voltage transformer comprises a protective shell used for providing protection; the protection layer is filled in the protection shell; the iron core is arranged in the protective layer, the coil comprises a primary coil and a secondary coil, and the primary coil and the secondary coil are both wound on the iron core; the primary connecting terminal is mounted on the protective shell and is connected with a primary coil of the coil; and the secondary connecting terminal is arranged on the protective shell and is connected with the secondary coil of the coil. According to the invention, the problems of easy wetting and rusting, accelerated equipment aging and reduced insulating property are solved.