83results about How to "Not easy to flow into" patented technology

The invention discloses a urine cup which is convenient for collecting mid-section urine, comprising a cup body, a barrier plate, a rotating shaft, a first baffle plate and a second baffle plate, the cup body is in the shape of a cuboid, and a vertical barrier plate is fixed at the bottom of the cup body , the barrier plate divides the lower part of the cup body into a collection cavity and an auxiliary cavity. There is a rotating shaft above the barrier plate. The two ends of the rotating shaft are embedded in two fixed rings fixed on the side wall of the cup body. The first baffle and The second baffle, the first baffle is located directly above the collection chamber, the first baffle is inclined downward, the second baffle is located directly above the auxiliary chamber, the second baffle is horizontally arranged, the second A weight groove is arranged on the baffle, and a liquid inlet and a cover plate are arranged on the top of the weight groove. In the present invention, the first baffle and the second baffle are arranged on the rotating shaft, and a counterweight groove is arranged on the second baffle, so that the first baffle and the second baffle automatically rotate under the weight of the urine in the front section, so that the middle section Urine can enter the collection chamber.

The invention discloses a device for integrating baffling denitrification and dephosphorization and COD degradation. The device comprises a reaction chamber, a transmission module and an oxygen supply module, wherein the reaction chamber comprises a first anaerobic cell, a second anaerobic cell, a mid-sedimentation cell, a nitrification cell, an anoxic cell, an aerobic cell and an end-sedimentation cell; the cells are separated by overflow partition plates; the transmission module comprises a sludge surpassing member and a sludge return member; and the oxygen supply module is composed of aerating equipment and two gas distributing pipes. The device disclosed by the invention has the benefits that as double anaerobic cells are designed with buffer functions, the impact effect of inflow abnormality and overhigh nitric nitrogen of return sludge on denitrifying phosphate-accumulating organisms is reduced, oxygen brought into a water inflow process is avoided, absolute anaerobism of the second anaerobic cell is ensured, and the stability and efficiency of the device disclosed by the invention in the treatment process are improved.

The invention discloses an electrodeless mercury lamp which comprises a lens set, a mercury bulb, an excitation source and a temperature control device. The mercury bulb comprises a light-emitting part and a cold end part communicated with the light-emitting part, the light-emitting part is cylindrical, the cold end part is cylindrical or in a cuboid shape, and the diameter of the connecting portion of the light-emitting part and the cold end part is smaller than that of the light-emitting part. The mercury bulb is filled with pure mercury or isotope Hg2O2. A double-bulb structure is adopted for the mercury bulb, bulb bodies for emitting light and storing mercury are subjected to function separation, meanwhile, the light-emitting part and the cold end part are communicated through the small-diameter connecting portion, the light-emitting part is coupled with an external coil to emit light, and the cold end part stores mercury and is connected with the temperature control device. By means of the structure, liquid-state mercury cannot flow in into the light-emitting part easily, and the phenomenon that mercury permeates into bulb walls of the light-emitting part to be nebulized due to loss is weakened. In addition, common cold ends are mostly thin and short, the cold end part and the light-emitting part are almost identical in size, the contact area of the cold end and the temperature control device is large, and heat radiation temperature control is easy.

A display apparatus comprises a housing, a light guiding element, a fixed frame and a display panel. The housing possesses a bearing surface and a side wall vertical to the bearing surface, and the side wall possesses a first surface connected with the bearing surface. The light guiding element is arranged on the bearing surface. The fixed frame is arranged on the bearing surface. The fixed frame possesses a side wall facing the first surface. The fixed frame possesses a bearing portion extending to the direction far from the side wall, and the side wall is extended far from the light guiding element to form a protrusion. The extending distance of the protrusion is larger than the distance from of the side wall to the first surface. The display panel is overlapped at the bearing portion of the fixed frame, and the light guiding element is clampingly arranged between the display panel and the housing.

The invention provides an abrading device for a chemico-mechanical milling which comprises a retaining ring for nesting wafer and carrying out the chemico-mechanical milling on a polishing pad, and a plurality of dressers which are arranged around the bottom of the retaining ring for polishing the wafer and modifying the polishing pad and keeping the polishing efficiency of the polishing pad.

The invention belongs to the field of gel preparation and particularly relates to compound nasal gel for treating allergic rhinitis and a preparing method thereof. The compound nasal gel is prepared from baicalin, carbomer, ephedrine hydroehloride, borax, glycerin, ethylparaben, menthol, ethanol and distilled water. The nasal gel spray has the advantages of accurate therapeutic effect, stable properties and small adverse reaction is prepared through the selection of the baicalin which has remarkable antimicrobial, anti-inflammatory and anti-allergic effects, the cold-irritating menthol and a low dosage of ephedrine hydroehloride and the use of the high-molecular carbomer as a carrier. The compound nasal gel is used for treating allergic rhinitis.

The present invention provide a brake operation knob assembly for spinning type fishing reel, which may prevent liquid from flowing into the brake operation knob assembly even water pressure effects on a sealing member. The brake operation knob assembly includes an operation knob section, a first sealing member and a second sealing member. The operation knob section is used for adjusting brake force and has a first member; a second member rotating relative to the first member and rotation-jointing with a winding reel shaft, and having a protrusion section protruded to be barrel shape towards the first member to cover a cam flange section; a connection section for connecting the first and second members in manner of not moving along axis direction relatively and rotating relatively. The first sealing member is arranged between the winding reel and the first member to seal a gap between the both. The second sealing member is arranged between the first member and the second member to seal a gap between the both, and has a barrel shaped contact section contacting with the periphery surface of the protrusion section of the second member.

The invention discloses a dust collector motor. The dust collector motor comprises movable impeller and an impeller cover; a sealing mechanism is arranged at the air inlet of the impeller cover; the sealing mechanism comprises a supporting part and a connecting part; the supporting part is fixedly connected with the edge of the air inlet and combined with the inner wall of the impeller cover to form an annular concave receiving space; the connecting part is fixedly arranged in the receiving space; the end portion of the upper piece of the movable impeller is rotatably embedded into the connecting part. According to the dust collector motor, the sealing mechanism is arranged at the matching part of the impeller cover and the movable impeller, and airflow sucked into the impeller cover is not prone to flow into the matching gap between the impeller cover and the movable impeller, and therefore, the energy efficiency of the motor is greatly improved.

The invention relates to a plastic fuel tank cover of an engineering vehicle. The plastic fuel tank cover comprises a fuel tank oil filling port, a pressure-bearing plate, a pressure spring, an air inlet valve assembly, a plastic locking rod, a plastic housing and a handle pull rod. The plastic locking rod and the plastic housing are in interference fit with each other and sealed through an O-shaped rubber ring. The air inlet valve assembly comprises an air inlet valve, a cover-shaped gasket, a negative pressure spring and a rubber gasket. A valve rod of the air inlet valve penetrates through an air inlet valve installation hole of the pressure bearing plate. The cover-shaped gasket is arranged on the valve rod of the air inlet valve. The negative pressure spring is installed between the cover-shaped gasket and the pressure bearing plate. The rubber gasket is fixed to a bottom face circular plate of the air inlet valve. When the air pressure inside the oil tank and the external air pressure are balanced, the rubber gasket and the pressure bearing plate are attached and sealed, and the oil filling port of the fuel tank and the pressure bearing plate are attached and sealed. The plastic fuel tank cover solves the key common problems that due to the fact that in the work process of an existing engineering vehicle, rainwater enters the fuel tank, the fuel tank rusts and is corroded, vent holes of the air inlet valve are prone to blockage, an engine is blocked, and automatic flameout is caused or starting can not be achieved.

The invention discloses micro-filter equipment for tertiary treatment of sewage. The micro-filter equipment for the tertiary treatment of the sewage comprises a water inlet, an inlet-water buffer tank and a filter rotating drum connected with the inlet-water buffer tank, wherein the filter rotating drum comprises a cylindrical filter rotating drum frame body, a first rotating drum connecting tray, a second rotating drum connecting tray and a rotating drum middle connecting piece are respectively mounted at two ends and in the middle of the cylindrical filter rotating drum frame body, and the outer surface of the cylindrical filter rotating drum frame body is tightly connected with at least one triangular prism filter unit body through a sealing pressing part. According to the micro-filter equipment for the tertiary treatment of the sewage, the relative filter area of filter equipment is large, the standardization and universalization of maintenance and replacement of a filter are realized, the flow speed of a filter inlet is adjustable, and the driving life of the filter is long.

The invention discloses a method for preventing soldering holes from being blocked in the wave soldering process. The method includes the following steps that a substrate is provided; holes are drilled in the substrate so as to form the soldering holes; a bonding pad enclosing each soldering hole is formed in the portion, around the soldering hole, of the substrate; an opening is formed in at least one bonding pad and covered with green oil; wave soldering is conducted towards the opening. The invention further relates to a printed circuit board. Because the opening of the bonding pad is covered with the green oil so that soldering tin cannot flow through in the wave soldering process, the soldering tin can only flow along the two sides of the opening and is not prone to flowing into the soldering holes, and thus it is guaranteed that the soldering holes without inserts cannot be blocked by the soldering tin easily in the wave soldering process.

The invention discloses an electric medical bed. The electric medical bed comprises a medical bed body (1) and a supporting device (2) supporting the medical bed body (1), wherein the supporting device (2) comprises two lifting stand columns (3) connected with the front portion of the medical bed body (1), at least one lifting stand column (3) connected with the rear portion of the medical bed body (1) and a base (4) for bearing all the lifting stand columns (3), the upper end of each lifting stand column (3) is connected with the medical bed body (1) through a cardan joint (5), and the lower end of each lifting stand column (3) is installed on the base (4) through a hold hoop (6). Not only can the electric medical bed be integrally lifted to reach the needed height, but also the head and the tail of the electric medical bed can be lifted; due to the two lifting stand columns at the front portion, the electric medical bed can turn over leftwards and rightwards, patients can adapt to different medical inspection items with different postures, and the comfort is good.

The invention discloses a road indicating device. The device is characterized by comprising a base; a supporting rod is connected to the upper portion of the base. An indicating assembly is fixed to the upper portion of the supporting rod. The indicating assembly comprises an indicating block fixed to the upper end of the supporting rod. A square connecting groove is formed in the front side of the indicating block; a protection frame is slidably connected into the connecting groove; a protection plate is fixed on the front side of the protection frame; the protection plate is made of a transparent material; the protection frame is connected with the bottom of the connecting groove through a plurality of springs; a mounting hole is formed in the upper end of the protection frame, a writingboard is arranged on the inner side of the protection frame, a moving mechanism capable of pulling out the writing board from the mounting hole is arranged on the rear side of the writing board; whenthe protection plate abuts against the indicating block, the spring is in a stretched state, and when the protection plate extrudes the writing board on the indicating block, the mounting hole is located in the connecting groove. The device has the functions that an indicator can be changed conveniently according to conditions, and the indicator is not prone to being affected in rainy days.

The present invention provides a tubular motor that has a reduced number of components and that can be efficiently assembled even when a recess portion is provided in an output-side end face of an output-side end plate portion of a motor unit. For example, in a tubular motor 1, a planetary carrier 75 of a first planetary gear unit 7 is provided with a support plate 79 overlapping a planetary gear 71 on an anti-output-side L2 and supporting the planetary gear 71 from the anti-output-side L2. Thus, the first planetary gear unit 7 is independent as a first planetary gear unit, and there is no need to support the planetary gear 71 with an output-side end plate portion 55 and the like of a motor unit 5. Accordingly, even when an output-side end face 556 of the output-side end plate portion 55 is provided with a recess portion 569 to which grease leaking from the first planetary gear unit 7 flows, the first planetary gear unit 7 can be disposed directly adjacent to the output side of the motor unit 5.

The invention discloses an AB dispenser adhesive outlet mixing valve which comprises a valve body and a valve channel, wherein the valve body is provided with an upper valve port and a lower valve port, and the valve channel is formed in the valve body and connected with the upper valve port and the lower valve port. The valve body is further provided with an air inlet connecting the valve channel and an external air pump. The AB dispenser adhesive outlet mixing valve is characterized in that the valve channel is provided with one or more bent parts. Compared with a conventional adhesive outlet valve with a straight valve channel, due to the fact that the bent parts are arranged in the valve channel, certain bearing faces are provided for adhesives to resist gravity, and therefore the adhesive leakage phenomenon under the non-pressurized condition can be effectively prevented, and the adhesives and labor cleaning cost are saved; the bent valve channel and strong pressure interact with each other, the adhesives can be well stirred, the mixing effect of the adhesives in the valve channel is greatly improved, and the quality of dispensed products is further improved.

The invention relates to a prefabricated external wall panel waterproof assembly structure and an assembly process thereof. The prefabricated external wall panel waterproof assembly structure comprises prefabricated wall panels and water retaining pieces arranged between the adjacent prefabricated wall panels on the same horizontal plane, and vertically-arranged water retaining grooves are formedin the side walls, close to the adjacent prefabricated wall panels, of the prefabricated wall panels; the water retaining grooves penetrate through the upper end faces and the lower end faces of the prefabricated wall panels, and the water retaining pieces are inserted into the water retaining grooves of the adjacent prefabricated wall panels at the same time. Water flowing into gaps between the prefabricated wall panels which are horizontally arranged is guided through the water retaining pieces, so that the water flows downwards, and the waterproof effect is improved.

The invention provides a raincoat with a telescopic brim. The raincoat with the telescopic brim comprises a raincoat body. The raincoat body is provided with a cap. The raincoat with the telescopic brim further comprises a blocking piece, the brim and a check curtain. The portion, corresponding to the top of the human head, of the cap is provided with an interlayer. The blocking piece which can stretch frontwards is arranged inside the interlayer. The front end of the blocking piece arranged inside the interlayer is provided with the brim. The edge of the brim is provided with the check curtain which is hung on the edge of the brim. One side, close to the check curtain, of the top of the cap is provided with a fixed clamp which is used for fixing the check curtain when the check curtain is raised towards the top of the cap. The raincoat with the telescopic brim has the advantages that the length of the telescopic brim can be adjusted according to the size of the head, the face can be protected from the rain, carrying is convenient, the condition that during raining, the face is wet by the rainwater and the road condition cannot be clearly watched is avoided, and the rainwater is not likely to flow into the raincoat.

The invention provides an installation and construction method of a steel reinforced concrete column and steel beam connecting joint area. The installation and construction method comprises the following steps that S1, deepening design is carried out; S2, processing and manufacturing are carried out; S3, entrance acceptance is carried out; S4, steel columns are installed; S5, reinforcing steel bars are bound; S6, formworks are installed; and S7, concrete pouring is carried out. A steel structure coaming is adopted to replace stirrups and formworks in the section steel concrete column connection joint area, and the construction quality of the section steel column and steel beam connection joint area is improved.

The invention relates to a building drainage converging device, in particular to a drainage converging device for a building balcony. The drainage converging device for the building balcony is composed of vertical pipe drainage section (1), a transverse pipe drainage converging section (2) and a water seal component (3). A transverse section (9) and a lower inner wall of the transverse pipe drainage converging section (2) are planes or approximate to planes or arc surfaces. The maximum distance of a transverse opening (15) of a converging section top end channel (13) on the transverse pipe drainage converging section (2) which is communicated with the vertical pipe drainage section (1) is larger than that of a vertical opening (16) of the converging section top end channel (13). The distance L between the inner wall edge of the hollow portion of a transverse surface opening (17) on the transverse section (9) of the transverse pipe drainage converging section and the outer wall of the portion, close to the transverse surface opening, of the vertical pipe drainage section ranges from 40 mm to 450 mm. The water seal component (3) can be separated from the transverse surface opening (17). A floor drain cover (23) is arranged on the upper portion (18). By the adoption of the drainage converging device for the building balcony, when drainage of the same floor of the building is conducted, under the condition that a floor drain is arranged in the balcony, a floor descent plate and a slight descent plate are not needed.

The invention provides an outdoor ring main unit storage case comprising a bottom plate, a case body arranged on the bottom plate and a case top arranged at the top of the case body. Retractable lift rods are arranged on the front side surface and the rear side surface of the bottom plate; the heads of the retractable lift rods are semi-circular in shape; the front side of the case body is provided with a case door; the case door comprises a first door leaf, a second door leaf, and a third door leaf arranged from left to right; the right portions of the bottom and the top of the inner side of the first door leaf are provided with door bolts; the first door leaf is in hinge joint with the second door leaf through hinges; the right portion of the bottom of the inner side of the second door leaf is provided with a limiter; the right portion of the bottom of the inner side of the third door leaf is provided with a limiter; the middle portions of the bottoms of the first door leaf, the second door leaf and the third door leaf are provided with ventilation openings; arc-shaped stop pieces are arranged on the outer sides of the ventilation openings. The outdoor ring main unit storage case is reasonable in structural design, is durable, facilitates loading and unloading of transportation, is low in production cost and is safety to use.

The invention discloses an industrial kiln waste heat recovery device, and belongs to the technical field of waste heat recovery. The industrial kiln waste heat recovery device comprises an industrialkiln and a waste heat recovery box, wherein a first heat conduction pipe is connected between the industrial kiln and the waste heat recovery box, and a controller is installed at the upper end of the waste heat recovery box. According to the industrial kiln waste heat recovery device, heat exchange can be carried out between an aqueous solution and waste gas, the heated aqueous solution is guided out to equipment to be heated for use, so that heat in the waste gas is recycled to the maximum extent, the temperature of the waste gas discharged into the environment is reduced, and pollution tothe environment is effectively reduced; meanwhile, an auxiliary heat absorption piece is arranged, so that on one hand, the temperature rise of the aqueous solution can be accelerated, and on the other hand, the adsorption of the heat of the waste gas can be continuously completed in the replacement process of the aqueous solution; a second heat conduction pipe is introduced into the industrial kiln, so that the heat efficiency of the kiln is improved, and the fuel energy consumption is saved; and a purification chamber is arranged, so that harmful gas contained in the waste gas is removed.

The invention discloses a food drying machine capable of recovering heat, and relates to the technical field of drying machines. The food drying machine capable of recovering the heat comprises a base; a cylinder, an air heater and an air blower are fixedly arranged at the top end of the base; tan air outlet of the air blower communicates with an air inlet of the air heater; an air outlet of the air heater communicates with a first connecting pipe, and the first connecting pipe communicates with elbows; the ends, away from the first connecting pipe, of the elbows communicate with air nozzles; and the ends, far away from the elbows, of the air nozzles penetrate through a base plate of the cylinder and communicate with an inner cavity of the cylinder. The food drying machine has the advantages that when waste gas which contains the heat and is discharged through an air outlet cylinder passes through heat pipes, the heat pipes can be heated, the air can be heated when passing through an exchange chamber, the heated air then enters the air blower, and therefore the energy consumption of the machine can be greatly reduced, energy can be saved, the environment can be protected, the use cost of a user can be lowered, and the pollution to the environment can be reduced.

The invention discloses a chip resistor and a mounting structure thereof. The chip resistor comprises a resistor main body, wherein a first electrode and a second electrode are arranged on the outer walls of the two ends of the resistor body respectively, connecting boxes are arranged on the outer walls of one ends of the first electrode and the second electrode, mounting grooves are formed in the connecting boxes, an insertion box is fixedly connected to one side of each connecting box, a rotating shaft is rotatably connected to the top of the mounting groove, a knob is arranged at the top of the rotating shaft, a second bevel gear is fixedly connected to the outer wall of the bottom of the rotating shaft, a first bevel gear is meshed with one side of the second bevel gear, a first threaded rod is fixedly connected to the outer wall of one side of the first bevel gear, and the first threaded rod is rotatably connected to the joint of the connecting box and the insertion box. By arranging the insertion box, an arc-shaped reed, a clamping column, a half gear, the threaded rod I, the clamping groove, the clamping groove and the arc-shaped reed clamping groove, a plurality of resistor main bodies can be connected in series, and the resistance of the resistor can be changed, so that the application range of the resistor is greatly widened.

The invention discloses a steering engine structure with a waterproof protection facility. The structure comprises an outer shell and a gear set. A waterproof coating layer is fixedly connected to theouter wall of the outer shell, a water absorption sponge plate is fixedly installed on the inner wall of the outer shell, and a rubber buffer plate is fixed to the top of the water absorption spongeplate; and a buffer spring is fixedly connected to the top of the rubber buffer plate, a fixing plate is fixedly mounted at the top of the buffer spring, and a stabilizing block is fixedly connected to the end of the outer shell. According to the steering engine structure provided with the waterproof protection facility, the waterproof coating layer is arranged outside the outer shell so that external water vapor does not flow into the outer shell easily, the water vapor entering the outer shell can be directly absorbed through the arranged water absorption sponge plate, and equipment damage caused by a short circuit due to water inflow of a steering engine body is effectively avoided; and the rubber buffer plate is arranged at the top of the water absorption sponge plate so that the steering engine body does not make contact with the water absorption sponge plate, and the possibility that the steering engine body makes contact with water is effectively avoided.

The invention discloses a T-shaped resin concrete drainage ditch. The T-shaped resin concrete drainage ditch includes a cast iron cover plate and a groove body; the groove body includes a transverse groove body and a vertical groove body; the side surface of the transverse groove body and the end portion of the vertical groove body are vertically connected to form a T shape; the groove body is integrally formed; both ends of the side wall of the transverse groove body and the vertical groove are respectively provided with a reinforcing rib; the bottom of the side surface of the reinforcing rib is provided with a concave hole; the cast iron cover plate is two pieces respectively covering the top of the transverse groove body and the vertical groove body. The drainage ditch groove body is prepared from, by weight, 6-50 parts of unsaturated polyester resin, 20-70 parts of aggregate, 10-60 parts of powder, 0.01-2.5 parts of accelerant, and 0.01-2.5 parts of fixative. The T-shaped resin concrete drainage ditch has the advantages of being convenient to process, simple to operate, manpower-saving and material-saving, good in water flow performance, anti-bending and anti-pressing, anti-corroding and anti-wearing, green and environment-friendly, cost-saving and long in service life.

The invention discloses a molten iron drainage tank of a casting ladle and a molding brick thereof, wherein the molten iron drainage tank of the casting ladle comprises the casting ladle, and a drainage tank is arranged in the casting ladle and formed by molding bricks; each molding brick comprises the following ingredients according percentages by weight of 38-63 percent of Al2O3, 18-48 percent of SiC, 2.5-14 percent of C and 2.5-10 percent of bonding agent. A method for preparing the molding bricks comprises five steps of compounding materials, ageing mixture, molding, drying and baking. The invention is additionally provided with the molten iron drainage tank in the casting ladle so that dregs are blocked and can not flow into a casting die cavity easily, thereby reducing blowholes and the like on a casting, and greatly improving the quality of the casting; and meanwhile, the molding bricks have simple prescription, high-temperature resistance and long service life; and the preparation method of the molding bricks has less procedures and simple operation and can be industrially produced easily.

The invention provides a high-performance electronic cigarette, and belongs to the field of electronic cigarettes. The electronic cigarette comprises an electronic cigarette body and a cartridge which are detachably connected. The electronic cigarette body comprises a shell, a power source and a central control circuit board. The shell is provided with an air inlet hole and a disassembly hole, an air inlet cavity is formed in the joint of the electronic cigarette body and the cartridge, an airflow control structure is arranged at the bottom of the air inlet cavity, and the air inlet cavity is communicated with the air inlet hole through the airflow control structure. The cartridge comprises a cigarette holder, a tobacco tar atomization cabin and a tar supply cabin. An atomization carrier, a heating wire and a power receiving electrode are arranged in the tobacco tar atomization cabin, the atomization carrier is a long-strip-shaped cotton core atomizer, the heating wire is wound in the cotton core atomizer, and the tail end of the heating wire extends to the power receiving electrode and is electrically connected with the power receiving electrode. The electronic cigarette has the advantages that the cotton core atomizer is arranged in the electronic cigarette, the fluffy cotton core atomizer enables tobacco tar to be atomized more sufficiently and not prone to leaking, and the problem that an electronic cigarette atomization carrier in the market is prone to leaking oil and damaging internal components of the electronic cigarette is solved.

The invention discloses an electrodeless lamp amalgam pipe comprising an electrodeless lamp body connected with the amalgam pipe; a capillary glass tube is arranged in the amalgam pipe, and filled with the amalgam; the electrodeless lamp amalgam pipe is simple in structure, simple in technology, strong in practicality, suitable for mass production, and has excellent anti backflow means for amalgam of ball electrodeless lamp or U type electrodeless lamp; the capillary glass tube is arranged in the amalgam pipe, one end of the capillary glass tube is sealed, so the heated and fused amalgam can hardly flow to the lamp pipe, thus protecting the lamp pipe, and preventing resource waste.

The invention discloses an improved structure of a motor shell. The improved structure includes a housing, a flange plate and oil injection structure, wherein the upper end of the shell is connected with a containing chamber; a heat dissipation structure is installed on one side of the outer wall of the shell, the flange plate is distributed on the side, away from the heat dissipation structure, of the shell, a shaft cavity is fixed to the middle of the flange plate, the oil injection structure penetrates through the middle of the inner side of the shaft cavity, a protective shell, a cover body and a soft cushion layer are arranged in the containing chamber, and the top end of the protective shell is connected with the cover body. The improved structure of the motor shell is provided witha shell, and the shell and the containing chamber are vertically distributed. The shell and the containing chamber are both made of stainless steel materials and have good rigidity. The situation thatthe shell and the containing chamber are broken and damaged is not likely to happen in the using process. Meanwhile, the whole containing chamber serves as electronic component placing equipment of the whole device, the whole containing chamber is of a fully-sealed structure, and dust is not prone to flowing into electronic components from gaps in the using process.