197 results about "Conical cavity" patented technology

The application relates to a torsion extrusion device and method for enhancing torsion shear effect, which comprises an extrusion cylinder for arranging a blank to be extruded; a movable extrusion punch mounted in the extrusion cylinder and used for extruding the blank; and a multi-stage cavity rotary die connected with the extrusion cylinder and comprising a circular cross-section conical cavity, a first transition cavity, a wavy cross-section straight cavity, a second transition cavity and a circular cross-section straight cavity which are connected in sequence and integrally formed. Compared with the prior art, the application can solve the problem of slip in the torsion extrusion process and make the torsion deformation zone and the extrusion deformation zone of the material coincide, so as to enhance the torsion shear effect and realize good grain refinement effect.

The utility model discloses a sealing type one-way valve, and belongs to the technical field of one-way valves. Comprising a valve body and a heat preservation piece, the valve body comprises a valve shell, a valve cavity is formed in the valve shell, a conical cavity is formed in the bottom face of the valve shell, the valve cavity is communicated with the conical cavity, a flow guide plate is installed in the valve cavity, a blocking piece is arranged in the valve cavity and blocks the conical cavity, memory metal is installed on the bottom face of the flow guide plate, and the memory metal is elastically connected with the blocking piece; the heat preservation part comprises a pair of arc-shaped plates, the arc-shaped plates are attached to each other and form a cylinder shape, the valve shell is sleeved with the arc-shaped plates, cavities are formed in the inner walls of the arc-shaped plates, and the cavities are filled with heat preservation cotton; the sealing type one-way valve can relieve the sealing problem and the unstable working problem caused by temperature change of an existing one-way valve.

This utility model relates to the field of vacuum pump technology, specifically to a water ring vacuum pump with a conical structure, including a pump body, a pump cover, an impeller, and a pump inner cavity. The impeller is disposed within the pump inner cavity. The pump body and the pump cover are bolted together. The pump cover has a side cavity and an inner cavity. The pump inner cavity has a conical structure. A sealing layer is disposed between the pump body and the pump cover. The pump body and the sealing layer are bolted together. Both sides of the impeller are connected to a transmission cone. The transmission cone and the sealing layer are connected to a transmission side baffle. An assembly boss is disposed between the transmission side baffle and the sealing layer. The middle part of the transmission cone is a cavity, which is connected to the side cavity and the inner cavity of the pump cover. This utility model improves the ultimate vacuum: the small end diameter of the conical cavity is smaller than the impeller diameter, forming a tighter constraint on the outer edge of the impeller, which helps to maintain a thinner and more stable water ring under high vacuum, thereby obtaining a lower ultimate pressure.

This invention relates to a spiral noise-canceling earphone, comprising: an earphone head including a front cavity and a rear cavity opposite to the front cavity, wherein a sound-generating unit is disposed within the front and rear cavities; one end of the rear cavity that connects to the front cavity is designated as the front end, and the other end as the rear end; the inner wall of the rear cavity extends from the front end to the rear end, and the distance to the center of the rear cavity decreases as it approaches the rear end; a noise-canceling structure is provided on the inner wall of the rear cavity, the noise-canceling structure including a first spiral ridge, a second spiral ridge, and a spacer groove; the first spiral ridge and the second spiral ridge extend clockwise or counterclockwise from the front end of the rear cavity along its inner wall to the rear end; through the cooperation of the first spiral ridge, the second spiral ridge, and the spacer groove, combined with the conical cavity and the gradually changing width of the spiral ridge, a complex sound wave propagation path is formed; when noise passes through these spiral channels, the sound waves are subjected to multiple reflections and interferences, resulting in gradual energy attenuation, thereby achieving the effect of eliminating noise and improving sound quality.

The application relates to a Monroe-effect enhanced shock wave generating device, which comprises a tank body, one end of the tank body is provided with an inlet for mixed gas, the other end of the tank body is provided with an outlet and connected with a shock wave output end, an inner cone and an efficiency ring are arranged in the tank body, the inner cone is adjacent to the inlet, the top of the inner cone is towards the inlet and provided with a turbulence passage for the mixed gas, the efficiency ring is spaced opposite to the inner cone along the axial direction of the tank body, and the central hole of the efficiency ring is connected with the shock wave output end. In the application, the turbulence passage of the inner cone can mix the mixed gas again, the mixing degree of the mixed gas is improved, a conical cavity is formed between the inner cone and the tank body, based on the Monroe effect, the inner cone can both concentrate energy and enhance the effect and indicate the direction of the shock wave during the shock wave generating process, energy loss is prevented, and the efficiency ring cooperates with the inner cone and blocks the backflow of smoke and dust.

The invention discloses an automatic device for removing residual slag crowns in a crystallizer, which comprises a visual inspection device, a three-axis moving sliding table, a pneumatic actuating mechanism, a centering and clamping device, a main body steel frame structure, an electric control device and a mounting base, the visual detection device mounted on the upper side of the mechanism can quickly and effectively determine the position of the residual slag crown, and meanwhile, the pneumatic execution mechanism at the tail end is matched with the three-axis moving platform to effectively and quickly clean the residual slag crown, so that the cleaning efficiency of the slag crown is effectively improved; the inverted-cone-shaped inner cavity with a certain inclination is formed in the placement base at the bottom, falling slag crowns can be conveniently received, collected and cleaned, the problems that residual slag crowns in the crystallizer are difficult to clean and slow to clean are solved, and the automation degree and the production efficiency of equipment are improved.

The utility model discloses an anti-blocking rapping device of a raw coal bunker, and belongs to the technical field of raw coal processing. Comprising a material storage seat, the material storage seat is hemispherical, a material storage cavity is formed in the material storage seat, a vibrating block is arranged in the material storage cavity, the vibrating block is hemispherical, the bottom face of the vibrating block is attached to the bottom face of the material storage cavity, a cavity is formed in the vibrating block, four sets of sliding grooves are formed in the surface of the vibrating block, the sliding grooves communicate with the cavity, and vibrating plates are arranged in the sliding grooves in a sliding mode; a cavity is formed in the storage seat, a pair of connecting rods is mounted in the cavity, a first driving part is arranged between the pair of connecting rods and periodically extrudes four groups of rapping plates, the rapping plates are elastically connected with the pair of connecting rods, a discharging port is formed in the bottom surface of the storage seat, a blocking plate slides in the discharging port, and a discharging pipe is mounted on the bottom surface of the storage seat; and a second driving part is installed in the discharging pipe and drives the blocking plate to vertically move, a conical cavity is formed in the position, close to the top end of the discharging pipe, in the discharging pipe, and the conical cavity communicates with the discharging opening.

The utility model discloses grinding equipment for silicon carbide raw material processing, and belongs to the technical field of grinding devices. Grinding equipment for silicon carbide raw material processing comprises a grinding tank and further comprises a fixed grinding wall fixedly connected into the grinding tank; the rotary grinding wall is rotationally connected into the grinding tank, and the rotary grinding wall is attached to the grinding end of the fixed grinding wall; the connecting block is fixedly connected to the rotary grinding wall; the conical cavity is arranged in the connecting block; the packing auger is rotationally connected into the conical cavity, and the packing auger is attached to the inner wall of the conical cavity; the plurality of groups of discharging holes are formed in the small end of the conical cavity; through the arrangement of the auger and the conical cavity, particles which are preliminarily ground at the bottom can be guided to the position above the grinding end again to be ground again, so that the ground particles are kept consistent as much as possible, and unification of particle sizes is facilitated.

The utility model discloses a gravity type gas-liquid separation device, relates to chemical equipment, solves the problem of low separation efficiency of a single-stage tank body in the prior art, and adopts the technical scheme that the separation device comprises a separation tank body, the bottom of the separation tank body is provided with a liquid outlet, and the top is provided with an exhaust port; the device further comprises a feeding pipe, the feeding pipe is arranged in the tank body of the separation tank body, and the feeding pipe is provided with a discharging port; a separation unit is arranged below the discharge hole; the separation unit comprises a separation main body; the separation main body is conical; a separation tank with an upward opening is arranged in the separation main body; the separation tank is conical; a gas-liquid mixture flowing out of the discharge port enters the separation tank to be subjected to gas-liquid separation, and gas is discharged through the exhaust port; liquid in the conical cavity of the separation unit is gathered at the bottom of the tank body after overflowing and is discharged through a liquid outlet. The purposes of reducing the cost and improving the separation efficiency are achieved.

The utility model relates to the technical field of transportation equipment, in particular to a safety protection box for disinfection reagent transportation, which comprises a transportation box and a cover plate adaptively mounted on the transportation box, and a limiting component is arranged in the transportation box; the limiting assembly comprises disinfection reagent containing cylinders, the disinfection reagent containing cylinders are of a conical cavity structure, the disinfection reagent containing cylinders are installed on a partition plate in the transport box and the lower end face of a cover plate respectively, and the disinfection reagent containing cylinders can be perfectly attached to the bottoms of disinfection reagent bottles of different specifications through the unique conical cavity structure of the disinfection reagent containing cylinders. Stable supporting is provided, the bottom studs are spirally installed in the screw cavities formed by the cover plate and the partition plate in an array mode, the flexible and stable installation mode is achieved, the layout and number of the containing cylinders can be adjusted at will according to the number and specification of actually transported reagent bottles through the design, all-dimensional accurate fixing of the reagent bottles is achieved, and the reagent bottles are fixed more stably. The shaking of the reagent bottles in the transportation process is effectively avoided, and the transportation safety is greatly improved.

The application discloses a high-gain dual-polarized wideband horn antenna and relates to the technical field of horn antennas for communication. The horn antenna comprises an antenna body, a radiation aperture extension cylinder is fixed at a horn opening of the antenna body, a first conical cavity is formed in an inner cavity of the antenna body, a second conical cavity is formed in an inner cavity of the radiation aperture extension cylinder, a right end opening of the first conical cavity is matched with a left end opening of the second conical cavity, and an opening angle of the first conical cavity is consistent with an opening angle of the second conical cavity. The horn antenna has high radiation efficiency and can realize wideband and high gain in the smallest size.

The present application provides a device for implementing process enhancement, comprising: a treatment chamber for injecting a liquid to be treated, the liquid comprising at least two kinds of particles; the plug body can be assembled at the open end of the main body cavity, a rod is inserted into the plug body, the bottom end of the rod can extend into the conical cavity in the treatment cavity, a special ultrasonic device is assembled at the bottom end of the rod, and the orientation of the special ultrasonic device is deviated from the axis of the conical cavity; the special ultrasonic device is used for generating jet flow and / or sound beam flow, and the state of driving liquid in the processing cavity comprises the steps that first vortex flow is generated, the first vortex flow is close to the lower side of the processing cavity, and at least one part of the first vortex flow is located in the conical cavity; two particles in the liquid are captured and constrained in the first swirling flow by the first swirling flow to enhance the interaction of the two particles, and corresponding methods are also provided. According to the invention, the interaction process of two kinds of particles can be enhanced.

The manicure liquid bottle comprises a bottle cap, an adjusting cavity and a connecting cavity are formed in the upper end and the lower end of the bottle cap respectively, a receding hole is formed in the bottom of the adjusting cavity and communicated with the connecting cavity, a plurality of elastic pieces are arranged on the peripheral side of the receding hole at intervals, and a bottle body is connected into the connecting cavity. The fixing cover is in threaded connection with the interior of the adjusting cavity, a conical fixing cavity is formed in the bottom face of the fixing cover, and the elastic piece extends into the fixing cavity; the top end of the brush rod penetrates through the receding hole and extends into the fixing cavity, and bristles are arranged at the bottom end of the brush rod. According to the product, the contact between the fixing cavity and the elastic piece is changed by controlling the fixing cover to move up and down, when the fixing cover moves downwards, the conical cavity wall of the fixing cavity drives the top end of the elastic piece to get close inwards, the brush rod is clamped and fixed through the elastic piece, and the fixing cover is screwed out outwards, so that fixing of the brush rod can be relieved, and a user can replace the brush head; and the bottle cap can be repeatedly used, so that the use cost is reduced.

The invention discloses a mixing device for producing a rubber pipe, and relates to the technical field of rubber pipe production, the device comprises a fixed seat, a mixing barrel is placed on the fixed seat, an adjusting block is slidably mounted at the front end of the fixed seat, and a height adjusting piece for adjusting the height position of the adjusting block is arranged at the upper end of the fixed seat; and a feeding barrel is fixed to the bottom of the end, away from the fixing base, of the adjusting block, a feeding pipe is fixed to the front end of the feeding barrel, a conical cavity is formed in the feeding barrel, and a discharging opening is formed in the lower end of the conical cavity in a penetrating mode. A feeding spiral blade in the feeding structure ensures that ingredients are uniformly and stably fed into a conical cavity and then fall into a discharging barrel, the ingredients are discharged from a discharging opening of the discharging barrel, a rotating block and a scattering plate in the scattering structure are matched, the discharged ingredients are effectively scattered, and it is ensured that the ingredients uniformly enter a mixing barrel; therefore, the dispersion uniformity of the ingredients in the raw materials is remarkably improved, and the problem of non-uniform dispersion of the ingredients in the prior art is solved.

The application discloses a linkage shutdown type natural gas ball valve and a preparation method thereof, relates to the technical field of valves, and comprises a valve body, a ball body, a sleeve pipe and a linkage shutdown device; locking end heads are arranged at both ends of the valve body, the sleeve pipe is sleeved outside the locking end heads and is connected through thread cooperation; the locking end head is provided with a taper portion, a plurality of slits are formed in the taper portion in the axial direction, and the slits divide the taper portion into a plurality of petal bodies which can move in the radial direction; and the sleeve pipe is internally provided with a conical cavity.When the sleeve pipe is screwed, the conical cavity extrudes the taper portion so as to make the taper portion contract in the radial direction and tightly embrace the pipeline.The linkage shutdown device is connected to a valve rod and is used for automatically driving the valve rod to rotate and shut down the ball valve when detecting abnormal flow or pressure fluctuation.The application realizes convenient installation of the pipeline through the quick connection structure of the locking end head and the sleeve pipe, and the linkage shutdown device and the opening degree indicator are arranged, so that the automatic shutdown capacity and the operation safety of the ball valve are improved.

The utility model relates to the field of gas-liquid mixing, in particular to a gas-liquid nano-reactor, which solves the problem of low reaction efficiency of substances with slower gas-liquid reaction, utilizes a mixing cavity to generate a cavitation effect so as to enable gas and liquid to reach nanoscale, increases the gas-liquid contact area and increases the reaction efficiency, and mainly comprises a columnar reactor body, the reactor body is provided with a plurality of mixing cavities which are sequentially communicated along the axis direction; the mixing cavity is sequentially divided into a converging section and a diffusing section in the flow direction of fluid, the converging section is a first conical cavity with the inner diameter gradually reduced in the flow direction of the fluid, and a plurality of vortex-shaped flow guide grooves converging towards the center are formed in the inner wall of the converging section; the diffusion section is a second conical cavity with the inner diameter gradually enlarged in the flow direction of the fluid, and the second conical cavity is communicated with the first conical cavity.

The bubbler comprises a conical impurity separation part, a bubbling part, a water conveying pipe and an elastic sealing piece, the conical impurity separation part is connected to the upper end of the bubbling part, a conical cavity with the large upper portion and the small lower portion is formed in the conical impurity separation part, and a sewage draining outlet is formed in the bottom of the conical cavity; an outlet communicated with the conical cavity is formed in the middle of a top cover of the conical impurity separation component, a water inlet communicated with the conical cavity is formed in the side face of the conical impurity separation component and faces the tangential direction of the conical cavity, the foaming component is provided with a containing cavity with an opening in the upper end, and the elastic sealing piece is installed on the foaming component and seals the opening. The upper surface of the elastic sealing part abuts against the sewage draining exit and can be switched between opening and closing of the sewage draining exit, the water conveying pipe is used for communicating the outlet with the containing cavity, and a water outlet communicating with the containing cavity is formed in the bottom of the foaming part. According to the bubbler, water rotates in the conical cavity, impurities and water are separated, and a traditional filter screen is omitted.

The utility model relates to the field of constructional engineering, in particular to a building water supply and drainage system which comprises an empty storage barrel and a transverse fixing support ring fixedly connected below the empty storage barrel, a water pump is fixedly connected onto the transverse fixing support ring, a water pumping pipe and a water outlet pipe are fixedly connected onto the water pump, and the water pumping pipe is fixedly connected and communicated with the empty storage barrel. A pressurizing component is connected into the storage empty barrel, supporting legs are fixedly connected to the storage empty barrel and slidably connected with the water outlet pipe, two notch supporting rings are fixedly connected into the storage empty barrel, a filtering conical cavity is slidably connected into the storage empty barrel and located above the two notch supporting rings, and a transverse handle is fixedly connected to the filtering conical cavity. The pressurizing component comprises a vertical rotating shaft rotationally connected to the empty storage barrel and a spiral rotating plate fixedly connected to the lower portion of the vertical rotating shaft, and a scraping vertical plate is fixedly connected to the vertical rotating shaft. The device has the advantages that the pipeline is not prone to blockage, and the flow of water entering the water pump can be changed according to needs.

The invention provides an efficient electric tattooing device. The efficient electric tattooing device comprises a needle withdrawing module, a driving module and a power supply module, the needle outlet module comprises a lower shell, a resistance sleeve, a middle shell, a needle head, a needle head connecting rod, an upper shell, a buffer rubber sleeve, a fixed seat and a plurality of fins, the resistance sleeve is arranged at one end of the lower shell, the middle shell is fixedly mounted in the resistance sleeve, the needle head is arranged in the middle shell, and the needle head connecting rod is arranged at one end of the needle head. According to the efficient electric tattooing device, a lower shell is a conical cavity with openings in the upper portion and the lower portion, a plurality of fins are arranged on the inner wall of the lower shell and divide the large-diameter cavity of the lower shell into a plurality of micro-channels, each channel is equivalent to a small-radius capillary tube, liquid is pulled up to the higher height under the leading of surface tension, and the effect of tattooing is achieved. And therefore, a tattooist does not need to frequently dip in the pigment, and the working efficiency is improved.

The application relates to the technical field of connecting joints, and in particular provides a switch cabinet test terminal which comprises a connector body, a terminal connecting body and a plastic deformation structure, the connector body is internally provided with a first conductor, the terminal connecting body is internally provided with a second conductor, the outer surface of the terminal connecting body is provided with a radial protruding part, a plastic deformation cavity is formed in the radial protruding part, the plastic deformation structure comprises a plastic deformation space between the radial protruding part and the first conductor, the terminal connecting body is provided with a conical cavity which forms a locking connection relationship with the connector body and makes the first conductor and the second conductor abut and conduct electricity, the plastic deformation structure further comprises a spring which is compressed in the plastic deformation space, an axial thrust pushes an axial variable combination, drives the terminal connecting body to retreat along the axial direction, at the same time, the spring releases the stored energy, accelerates the retreat movement of the terminal connecting body, the second conductor retreats along with the terminal connecting body, and is separated from the first conductor, and automatic power-off protection is completed.

The utility model relates to the technical field of valves, in particular to a pneumatic corrugated pipe regulating valve, which achieves the effect of self-enhanced sealing of medium pressure through the sealing fit of an inverted conical cavity and a conical surface of a valve head and the auxiliary sealing synergistic effect of a sealing ring. The technical problem that the sealing performance of a traditional plane valve seat is reduced due to medium impact under the high-pressure working condition is solved. Through the conical surface sealing fit of the inverted conical cavity and the valve head and the auxiliary sealing synergistic effect of the sealing ring, the effect of medium pressure self-enhanced sealing is achieved, and the technical problem that the sealing performance of a traditional plane valve seat is reduced due to medium impact under the high-pressure working condition is solved.

The invention relates to the technical field of vent valves, in particular to a speed reducer vent valve and a using method thereof.The speed reducer vent valve comprises a conical cavity which is sequentially provided with a valve element and a filtering and exhausting assembly from bottom to top, and the cavity is divided into a lower cavity, a middle cavity and an upper cavity; the valve element is arranged at the fluid inlet, a spiral groove is formed in the periphery of the valve element, and the spiral groove and the side wall of the conical cavity form a spirally-rising flow channel. The second connecting assembly penetrates through the hollow channel of the first connecting assembly to be connected with the valve element, and the valve element can be separated from the side wall of the conical cavity to conduct airflow. After the pressure in the cavity is reduced, the film frame and the valve element are reset, and sealing is reestablished. The spiral groove is formed in the periphery of the valve element and cooperates with the side wall of the conical cavity to form a continuous spiral rising flow guide channel, so that an entering oil-gas mixture generates a powerful centrifugal separation effect in the flowing process, large-particle oil drops are thrown to the cavity wall and flow back to the interior of the speed reducer along the wall face, and efficient primary oil-gas separation is achieved.

According to the UV paint sanding device provided by the utility model, in the working process of the UV paint sanding device, the pumping pump pumps paint in the paint cylinder into the conical connecting cover through the pumping pipe, the rotating joint and the rotating pipe, and the paint enters the sanding cylinder through the liquid discharge holes. The driving motor drives the rotating pipe to rotate through the driving wheel, the transmission belt and the driven wheel. The rotating pipe penetrates through the rotating hole and is rotationally connected with the bearing top plate. And the rotating pipe drives the annular rotating block to rotate in the rotating groove. And the rotating pipe is rotationally connected with the bearing seat through the rotating bearing. The rotating pipe drives the sanding disc to rotate through the conical connecting cover, and the sanding disc rotates in the sanding cylinder and is combined with the inner wall of the sanding cylinder to grind UV paint to be machined. UV paint is discharged into the paint cylinder through the conical cavity, the recovery pipe and the collection pipe after being ground. And therefore, the UV paint can be repeatedly and circularly ground. According to the UV paint sanding device, the UV paint can be repeatedly sanded, and the sanding effect on the UV paint is excellent.

The application discloses a kind of conic cavity electric charge traction collision centrifugal mirror nuclear fusion device, including pressure-bearing cavity (1), gas inlet system (2), gas outlet system (3), main magnetic mirror confinement system (4) and main pulse driving system (5);The pressure-bearing cavity includes the collision cavity in the middle, and the conic cavity is separately arranged at the axial both ends of the end face of collision cavity;The conic cavity and collision cavity are jointly defined by confinement interface, the shrink end of conic cavity is towards the center of pressure-bearing cavity, and the shrink end is provided with spout, and the spout of both ends of conic cavity is oppositely arranged;Conic cavity and collision cavity are sealed and connected, and they jointly form integrated pressure-bearing cavity, and form the spiral flow working cavity that is interconnected in the inside;The gas inlet system injects fusion working substance into the spiral flow working cavity and forms one-way annular centrifugal spiral flow layer, so that the cavity is formed with near-wall high-pressure area and low-pressure cavity area in radial direction.The device has the characteristics of simplified structure, low cost, good stability and high confinement efficiency.

The utility model discloses a lead-copper-free PPR (pentatricopeptide repeats) anti-freezing fission reducing adapter substitute, and belongs to the technical field of pipeline adapters. Comprising a conversion head body, a first threaded hole is formed in the top face of the conversion head body, a second threaded hole is formed in the bottom face of the conversion head body, a conical cavity is formed in the conversion head body and communicates with the first threaded hole and the second threaded hole, and a connecting block is installed in the middle of the outer side of the conversion head body; connecting rings are installed at the positions, close to the two ends, of the outer side of the adapter body, corrugated pipes are installed on the sides, close to the connecting blocks, of the connecting rings, the corrugated pipes are connected with the connecting blocks in an adsorption mode, heat preservation cotton adheres to the inner walls of the corrugated pipes, and a vacuum cavity is formed in the adapter body; according to the technical scheme, heat loss can be reduced through the heat preservation cotton, the heat preservation effect on fluid in the pipeline is achieved, and the fluid freezing risk is reduced; the vacuum cavity utilizes the vacuum heat insulation principle to further enhance the heat preservation effect and prevent the internal fluid from being frozen due to the too low surface temperature of the adapter body.

The invention relates to the technical field of raw coal bins, in particular to a dredging device for a raw coal bin, which comprises a mounting frame, the mounting frame is provided with a driving device and dredging bins, the dredging bins comprise a first dredging bin, a second dredging bin and a third dredging bin, and the first dredging bin, the second dredging bin and the third dredging bin are sequentially arranged on the mounting frame from top to bottom; and the driving device drives the first dredging bin, the second dredging bin and the third dredging bin to reversely rotate pairwise. The inner cavities of the first dredging bin, the second dredging bin and the third dredging bin are conical cavities, the conical cavities are coaxially arranged, the outer walls are cylinders, the cylinders are coaxially arranged, and the central axes of the conical cavities and the central axis of the cylinders of the outer walls are eccentrically arranged. A plurality of elastic pushing pieces are arranged on the second dredging bin, the elastic pushing pieces rotate on the annular track, the central axis of the annular track and the central axis of the outer cylindrical wall of the second dredging bin are eccentrically arranged, and the elastic pushing pieces stretch out and draw back in the rotating process.

The application discloses a household garbage incineration device for power generation, which comprises a furnace body, a conical cutting mechanism arranged above the furnace body, a main drainage mechanism arranged below the conical cutting mechanism, and a rotating drying mechanism arranged at the lower end of the main drainage mechanism; the conical cutting mechanism comprises a rotating motor, a transmission part and a cutting part; the cutting part comprises a driving blade, a passive blade, a conical outer shell and a conical inner shell, and a conical cavity is formed between the conical outer shell and the conical inner shell; the main drainage mechanism comprises a drainage part and a stirring part, and the stirring part is in elastic contact with a water storage tank; the rotating drying mechanism comprises a rectangular box body, a gas conveying part and a drying part, and the drying part divides a drying cavity into a plurality of fan-shaped cavities. The conical cutting mechanism can quickly cut the garbage, the garbage enters the furnace body in a small volume, and the contact area of the garbage and air is increased; the cooperation and operation of the drying part and the gas conveying part can collect the heat generated by the furnace body shell and dry the garbage.

The invention discloses a stepped gradually-changing milk lining which comprises a sleeve integrally formed in an extending mode in the X direction of a longitudinal central axis, and a working cavity of the sleeve is used for containing animal nipples. The device is characterized in that a working cavity of the sleeve is divided into at least two stages of conical cavities step by step from top to bottom in the direction of the longitudinal central axis X, each stage of conical cavity is gradually narrowed from top to bottom, the taper angle of each stage of conical cavity is gradually reduced from top to bottom, and the surface of an animal nipple is attached to the inner wall of at least one stage of conical cavity in a sealed mode; the nipples with different diameter sections can be tightly attached to at least one stage of conical section through the taper decreasing design, the air leakage and blow-by risks are eliminated, the sealing performance is improved, the milking efficiency is improved, and breast health is improved.

The application discloses an infrared sensor pipe cap circumferential dotting device, which comprises a mounting frame, characterized in that a dotting convex die and a dotting concave die are arranged on the mounting frame in an up-down mode, the former is a downward spring cylinder clamp, and the dotting concave die and the spring cylinder clamp are movably arranged in a longitudinal direction so as to open and close the die; a pipe cap positioning column for sleeving the pipe cap is arranged in the center of the dotting concave die and is provided with a top part; the pipe cap positioning column and the spring cylinder clamp are movably arranged in a longitudinal direction so that the pipe cap positioning column can be telescopically extended into and out of the spring cylinder clamp; a circle of dotting protrusions is formed on an equal height position on the inner periphery of the lower part of the spring cylinder clamp; the dotting concave die is provided with an inverted conical cavity, and an inner conical surface of the inverted conical cavity is matched with an outer conical surface arranged on the outer periphery of the lower part of the spring cylinder clamp; when the die is closed, the inverted conical cavity is used for extruding the lower part of the spring cylinder clamp so as to make the lower part of the spring cylinder clamp shrink inwardly, and the dotting protrusions are driven to dot limit protrusions on the circumferential wall of the pipe cap. The device can realize synchronous and efficient dotting operation on the circumferential wall of the pipe cap and ensure that the heights and depths of the limit protrusions are uniform.

This utility model provides a flow divider cone structure, including an upper mold. The upper mold is hollow, and a flange protrudes upward from the center of its bottom. A mounting groove is formed at the center of the flange, and a mounting plate is fixed to the mounting groove by fixing bolts. A flow divider cone body is fixed to the center of the bottom of the mounting plate by fastening bolts, and a conical cavity is formed at the top of the flow divider cone body. Compared with the prior art, this utility model has the following advantages: Unlike traditional one-piece molded structures, this application designs the flow divider cone body and the mounting plate as a separate structure, connected by multiple positioning mechanisms such as fastening bolts, locking protrusions, and locking grooves. When the flow divider cone body is partially damaged, it can be disassembled and replaced separately without the need for complete scrapping, significantly reducing maintenance costs. At the same time, the separate design facilitates daily maintenance and cleaning, improving equipment maintenance efficiency.