150 results about "Small mouth" patented technology

The invention relates to a method of manufacturing a brake drum by utilizing a metal-typed sand covering technique, comprising a die joint is determined by the maximum diameter position of the brake drum, a lower joint is determined by a large mouth part and an upper joint is determined by a small mouth part; an internal model and an external model are respectively arranged in order to ensure the internal profile dimension and the external profile dimension of the brake drum; an internal sand box and an external sand box are respectively arranged in order to manufacture the lower joint and the upper joint of the brake drum; after the internal model and the internal sand box, the external model and the external sand box are assembled according to prearranged clearances, the internal sand box and the external sand box are covered with sands through a sand injection hole; metal liquid is poured after the internal sand box and the external sand box with sand cover are tightly locked. The invention has the advantages of improving working environment, more precise dimension of the castings, better surface quality, higher yield, lower cost and higher production efficiency.

The invention discloses an adjustable multi-streaming type steam jet heat pump. One or more than one conical-cylindrical surrounding nozzle with annular nozzle mouths are coaxially sleeved at the outer side of a conical-cylindrical central nozzle positioned in the center of a pump body, a nozzle mouth of the central nozzle is positioned at the topmost end and is in stepped arrangement with the annular nozzle mouths of the surrounding nozzles, the surrounding nozzles are respectively provided with a working steam inlet, a jet steam inlet is arranged on the lateral wall of the pump body, a cavity body at the front part of the pump body and the outer side of the nozzle mouth is of a steam mixed chamber, and the outer end of the steam mixed chamber is connected with the small mouth end of a diffusion tube. Working steam is jetted from the central nozzle in high speed, other strands of working steams are jetted from the nozzle mouths of the surrounding nozzles, a plurality of strands of steams form a certain-speed distribution field and act together so as to ensure that the pressure intensity at the nozzle mouths is reduced, and the jet steam is sucked in, and the steams are mixed through the steam mixed chamber, and slowed down and pressurized by the diffusion tube to generate jet stream with adjustable speed gradient, thereby the flow impact loss at the front edges of the nozzle mouths is effectively reduced, the energy loss is decreased, and the mechanical efficiency is improved.

The invention relates to a solid oxide fuel battery of taper-pipe anode support and battery group. Wherein, said battery comprises a porous anode support, a dense electrolyte film, and a porous cathode film. The porous anode support is in taper pipe shape whose one end mouth is large and another is small while the edge of small mouth is arc; the dense electrolyte film covers the outer edge of porous anode support; the cathode layer is at the upper layer of dense electrolyte between the arc edge of small mouth and the edge of large mouth. The battery group is formed by the outer edge of small mouth of said battery and the inner edge of big mouth of another inventive battery via the sealing material. The inventive battery has small size, high output power, easy production and the application of small SOFC electric pile. The cathode of said battery can be connected to the anode of another battery in series via sheathing one taper pipe on another taper pipe, with easy sealing.

The invention relates to an energy-saving innovative LED (Light Emitting Diode) display screen and an installation method thereof. An LED screen body is formed by long strip-shaped LED display modules which are spliced and arranged one by one in parallel towards a consistent direction. Each long strip-shaped LED display module comprises a long strip-shaped grooved module installation plate for fixing the LED display module, the front surface of the grooved module installation plate is used for fixing a module installation surface of the LED display module, two bolt fixing grooves with a large groove bottom and a small mouth are formed in a back surface to improve a heat dissipating effect, the grooved module installation plate is a one-step molded aluminum alloy section, and a heat conducting piece is arranged between a heat emitting component and the grooved module installation plate on the LED display module; the two ends of the long strip-shaped LED display module are fixedly connected with a structure support frame through screen body installation devices; in order to facilitate the adjustment of the flatness of the LED screen body and improve wind resistance, a leveling connection device is further arranged on the back surface of the long strip-shaped LED display module. The energy-saving innovative LED display screen provided by the invention has the advantages of simple structure, convenience in installation and low manufacturing and operating cost.

A garment hanger has a hanger body, a clasp and at least one engaging element. The hanger body has a plurality of first rounded teeth formed respectively along sides thereof, with a constant clearance between adjacent teeth. Each of the first rounded teeth has a top larger than its bottom to form a small mouth between the tops of two adjacent teeth. A hooked neck is connected to a roof of the hanger body. A pair of round notches is respectively disposed on exterior edges of a hook portion of the hooked neck in a symmetrical manner. The clasp has a protruding button and a tab at opposite ends. The protruding button and the tab respectively engage with the notches of the hooked neck. The engaging element has second rounded teeth properly spaced on one side thereof to respectively fit in clearances formed by the adjacent first teeth.

The invention relates to a method for machining reducing deep hole with small inlet and large middle and its equipment. It is characterized by that mounting the boring-turning device with cutter headregulating mechanism on the boring rod, feeding it into deepest place of the through deep hole machined by using existent technique, using a special device and making it pass the regulating hole communicated with the trough deep hole and being on same axis, and feeding it into the cutter head regulating mechanism outside the workpiece, and can make in-hole cutter regulating, and utilizing regulating ring to change the axial displacement or regulating cone into radial displacement of cutter head to attain the goal of changing outside diameter size of cutter edge. It can machine the reducing deep hole whose reducing ratio is greater than 1 and less than or equal to 1.2 and ratio value of depth and bore diameter is greater than or equal to 50.

The invention discloses a direct-push connecting pipe joint. The direct-push connecting pipe joint comprises a joint body provided with a through hole used for insertion of a connected pipe, wherein a bellmouth orifice is formed in the end part of the through hole; the big mouth of the bellmouth orifice faces inwards and the small mouth of the bellmouth orifice faces outwards; the wall body of the joint body between the small mouth of the bellmouth orifice and the end part of the through hole is a sealing section; an O-ring seal is internally arranged in the big mouth of the bellmouth orifice; a locking component is internally arranged in the small mouth of the bellmouth orifice; the locking component comprises a bearing ring used for being sleeved upon the connected pipe and at least three roll balls; the inner side end of the bearing ring extrudes the O-ring seal; each roll ball is mounted inside the bearing ring in a rolling manner; the inner circumferential surface and the outer circumferential surface of the bearing ring bulge each roll ball. The direct-push connecting pipe joint provided by the invention can reduce the difficulty of installation and connection and the cost, and the connected pipe can be firmly locked.

The invention discloses an air-cooling system for an automobile power supply and relates to the field of electric cars. The air-cooling system comprises a battery base, a battery cover which is fixed on the battery base and can be detached, and a plurality of battery modules fixed on the battery base; the battery modules are positioned on the inner side of the battery cover; a plurality of air collection devices are arranged on the front side of the battery base and take the shapes of trumpets with running-through interiors; the big mouths of the air collection devices face a car running direction; a plurality of air inlets are formed in the battery base in a penetrating manner; the upper ends of the air inlets are communicated with the inner side of the battery cover; the lower ends of the air inlets are connected with the small mouths on the rear sides of the air collection devices through connecting pipes; each air collection device is communicated with at least one of the air inlets; and a heat dissipation opening is formed in the battery cover. According to the air-cooling system for the automobile power supply, the effects from of an air source on the different battery modules inside are equal, all the battery modules can well dissipate heat, and the battery performance is guaranteed.

The powder filling device of the present invention can uniformly send gas into the powder, so that the powder is fluidized with a minimum amount of gas. The gas transports the fluidized powder to the bottom of containers with small ports or complex structures. Gases in the powder introduced into the container are released through the powder bed between the nozzle and the mouth. The device thus enables easy and dense packing of powder in the container without causing the powder to fly out of the container. Furthermore, the device is small, easy to carry, easy to operate, and therefore can be operated by anyone, anywhere.

The powder filling device of the present invention can uniformly feed gas into the powder, thereby fluidizing the powder with a minimum amount of gas. The gas transports the fluidized powder to the bottom of containers with small ports or complex structures. Gases in the powder introduced into the container are released through the powder bed between the nozzle and the mouth. The device thus enables easy, dense packing of powder in the container without causing the powder to fly out of the container. Furthermore, the device is small, easy to carry, easy to operate, and therefore can be operated by anyone, anywhere.

The present invention is one kind of tomato wine brewed with tomato as material and its brewing process. The brewing process of tomato wine includes sorting tomato, cleaning, crushing to obtain juice, regulating components, sterilizing, main fermenting, post-fermentation, filtering and inspection. The tomato fruit wine is made through setting tomato in its growth period into some wine bottle with small mouth, picking the tomato after the tomato grows to required color and size and pouring the tomato wine into the bottle. The tomato fruit wine of the present invention is slight yellow and transparent, has low alcohol content and is sweet appetizing drink.

The invention discloses a 5-6-drop production method of a line-row type bottle machine, and belongs to the field of glass bottle production methods. The production method is characterized by comprising the following steps: collecting materials and feeding the materials; shaping a vacuum bottle mouth; blowing back; turning and conveying a blank; reheating and extending; blowing forwards; cutting the bottle; and cooling and transporting. The production method is mainly used for producing small-mouth bottles by using a blowing-blowing method. The production method is reasonable in shaping process and has a higher single mold production capability. By utilizing the novel line-row type bottle machine, the blank in China is made up, the production efficiency is greatly improved, aspects in operation system stability and production efficiency improvement achieve international advanced levels, the product quality is effectively ensured, and the line-row type bottle machine can completely take the place of foreign imported equipment of the same type when being used for producing small-mouth bottles.

The invention relates to a water draining tee capable of generating rotational flow, which is connected into a whole by a vertical pipe body and a side pipe body; the side pipe body is spiral downwards at the right and is communicated with the right side of the vertical pipe body; the vertical pipe body is formed by a cylindrical pipe, a conical pipe and a bell mouth of an elastic sealing ring; the large mouth end of the conical pipe is connected with the lower end of the cylindrical pipe, and the inner diameter and the wall thickness of the large mouth end of the conical pipe are the same as those of the cylindrical pipe; a small mouth end of the conical pipe is connected with the bell mouth of the elastic sealing ring, and the inner diameter and the wall thickness of the small mouth end of the conical pipe are the same as those of the bell mouth of the elastic sealing ring; a spiral guide vane is arranged on the conical pipe along the dextrorotation of the inner wall; a groove is arranged in the middle of the bell mouth of the elastic sealing ring and is internally provided with the elastic sealing ring; a side rotary pipe of the side pie body is spiral downwards at the right and is communicated with the right side of the cylindrical pipe, and the wall thickness of the side rotary pipe is the same as that of the cylindrical pipe; the included angle between the centre line of the side pipe body and the center line of the vertical pipe body is alpha, and the included angle between a guide inclined plane of the side pipe body and the center line of the vertical pipe body is gamma; the joint between the bottom of the side pipe body and the vertical pipe body takes on u-type transition, so that the water circulating capability of a water draining system is improved, and the water draining noise can be reduced.

The invention relates to an electric contact and connection type COB (chip on board)-LED light source module which comprises a reflection cup, a radiator, a COB-LED light source component, an electrical interface support and two single-core wires. Fastening grooves are arranged on the inner wall of a through hole of the electrical interface support, each fastening groove is formed by connection of an insertion opening with a sliding groove, fasteners corresponding to the fastening grooves are arranged at the outer edge of a small mouth of the reflection cup, a slot for insertion of a conducting strip is arranged on each of two side faces of the electrical interface support, and a telescopic conducting column is arranged in an accommodating cavity connected with the inner end of each slot. When the electric contact and connection type COB-LED light source module is assembled, the inner end of each conducting strip is connectedly sleeved on the corresponding conducting column, the exposed outer end of each conducting strip is mutually inserted with an insertion connector of the corresponding single-core wire, the bottom end of each conducting column penetrates through the electrical interface support to be pressed on a corresponding electric contact on a PCB (printed circuit board). Therefore, the electric contact and connection type COB-LED light source module has the advantages of compact structure, space saving and good radiating effect.

The invention discloses a cooling and damping sneaker which comprises an upper, a midsole, outsole and an insole. Inclining midsole vent holes are formed in the midsole and runs through the edge of the insole and extends to the foot bed of the midsole. The midsole fabric, making contact with the foot bed of the midsole, of the upper is provided with midsole fabric vent holes. After combination, external normal-temperature air enters the large-mouth vent holes outside the midsole and passes through a vent channel of the midsole and the small-mouth vent holes inside the midsole, cooled air flowsinto a shoe cavity through the midsole fabric vent holes and the insole vent holes, and the environment temperature in the shoe cavity is reduced. Due to the design of the midsole vent holes, the whole shoe bottom is of a hollowed-out structure, in the activity process, the hollowed-out structure absorbs a large amount of ground impact through the compressive deformation of the hollowed-out structure, and the sneaker has a buffering and damping effect.

The invention relates to a continuous evaporative crystallizer and an evaporation system for light-weight solids. The continuous evaporative crystallizer includes a tank body; a material inlet is disposed on the middle of the tank body; a vapor outlet is arranged on the upper end of the tank body; a liquid outlet is disposed on the lower end of the tank body; a mist eliminator is located in the tank body; an inclined separation board and a horn-shaped expanding mouth are disposed in the middle part of the tank body; the upper end of the inclined separation board is sealed and the lower end is opened, wherein the horn-shaped expanding mouth is located below the inclined separation board with a larger mouth upward and a smaller mouth downward; a crystal slurry extraction pipe is disposed at one end inside the tank body and is connected to the smaller mouth of the horn-shaped expanding mouth. Compared with the prior art, the continuous evaporative crystallizer can extract crystal slurry from above a solution. The continuous evaporative crystallizer is suitable for continuous stable industrial evaporative crystallization of light-weight solids, such as calcium propionate, of which the density is less than a liquid, and can ensure that the two processes, solution heating and water evaporation, are separated at spatial positions.

The invention discloses a working gas shunting system. The working gas shunting system comprises a main gas supply pipeline and a three-way pipe, wherein the front end of the main gas supply pipeline is connected with the gas inlet end of the three-way pipe; the two gas outlet ends of the three-way pipe are connected with a branch gas supply pipeline; a plurality of conical sleeves are arranged in the gas inlet end and the two gas outlet ends of the three-way pipe; the ends, which are back on to an air flow direction, of the conical sleeves are large-mouth ends, and the other ends are small-mouth ends; electromagnetic valves are arranged in the two gas outlet ends of the three-way pipe respectively; gas flow sensors are arranged in front of the electromagnetic valves in the two gas outlet ends of the three-way pipe respectively; the gas flow sensors are electrically connected with the electromagnetic valve on the same sides through controllers respectively. The working gas shunting system is reasonable in structure; shunting is performed through the three-way pipe, so that normal work of pneumatic equipment can be ensured; the conical sleeves in the three-way pipe can gather flowing gas rapidly, and heat loss caused by contact of certain special gas with a pipe wall can be reduced.

The invention discloses an approach side lamp. The approach side lamp comprises a light source, a reflection cup and a lens; the reflection cup is hollow loudspeaker-shaped, the generating line of the reflection cup is a parabola, the reflection cup is provided with a big mouth end and a small mouth end, the light source is held in the reflection cup and is close to the small mouth end, and the big mouth end is a light outlet; the lens is mounted at the big mouth end of the reflection cup, the lens covers the light outlet and comprises a light incidence surface near the light source and a light emitting surface far away from the light source, the light emitting surface is provided with a plurality of bumps which extend vertically, and the cross section of each bump is triangular; light beams generated by the light source are reflected to the lens by the reflection cup and are emitted after being refracted by the bumps. A light intensity curve of the approach side lamp is flat elliptic, so that the approach side lamp does not need to waste energy to form the flat elliptic light intensity curve required by the industrial standard, and the energy is saved.

The invention relates to an electric contact and connection type COB (chip on board)-LED light source module which comprises a reflection cup, a radiator, a COB-LED light source component, an electrical interface support and two single-core wires. Fastening grooves are arranged on the inner wall of a through hole of the electrical interface support, each fastening groove is formed by connection of an insertion opening with a sliding groove, fasteners corresponding to the fastening grooves are arranged at the outer edge of a small mouth of the reflection cup, a slot for insertion of a conducting strip is arranged on each of two side faces of the electrical interface support, and a telescopic conducting column is arranged in an accommodating cavity connected with the inner end of each slot. When the electric contact and connection type COB-LED light source module is assembled, the inner end of each conducting strip is connectedly sleeved on the corresponding conducting column, the exposed outer end of each conducting strip is mutually inserted with an insertion connector of the corresponding single-core wire, the bottom end of each conducting column penetrates through the electrical interface support to be pressed on a corresponding electric contact on a PCB (printed circuit board). Therefore, the electric contact and connection type COB-LED light source module has the advantages of compact structure, space saving and good radiating effect.

The invention discloses a technical method for quickly reducing biting taste of freshly-distilled liquor. The technical method for quickly reducing the biting taste of the freshly-distilled liquor comprises the following steps: cleaning a small-mouth white glass reagent bottle, and drying the reagent bottle to remove water; adding the freshly-distilled liquor into the reagent bottle, adding a cleaned and aired magneton into the reagent bottle, and sealing a bottle mouth by using a ground stopper to prevent alcohol volatilization; putting the reagent bottle on a magnetic stirrer, and starting the magnetic stirrer to rotate the magneton inside the reagent bottle; after stirring, taking down the reagent bottle filled with the distilled liquor, and putting the reagent bottle into a hot water bath at 43-53 DEG C to volatilize sulfur compounds and other low-boiling substances which cause pungent, spicy and bitter tastes; after hot water bath, taking out the reagent bottle, and putting the reagent bottle onto the magnetic stirrer again for further stirring; and repeating the operations every day, stirring the reagent bottle on the magnetic stirrer, and preserving heat in the hot water bath. By the technical method, the strong pungent, spicy and bitter tastes of the freshly-distilled liquor can be removed within 48 days; and the alcohol content is maintained to be unchanged basically, thus achieving a mouth feel effect after 2-year storage.

The invention relates to a spiral conveyer with special pipe walls. The spiral conveyer comprises a horizontal conveying tube, a spiral propeller horizontally and coaxially arranged in a cavity of the conveying tube, a material inlet communicated with the upper portion at one end of the conveying tube, a material outlet communicated with the lower portion at the other end of the conveying tube, and a motor in power connection with one end of the conveying tube close to the material inlet. The conveying tube comprises a small-diameter section cavity, a transition section cavity and a large-diameter section cavity which are sequentially connected, and the internal diameters of the small-diameter section cavity, the transition section cavity and the large-diameter section cavity gradually increase from the material inlet to the material outlet. The section of the small-diameter section cavity is cylindrical, the section of the transition section cavity is in the shape of a cone with big belly and small mouth, the section of the upper portion of the large-diameter section cavity is in the shape of a semicircle, and the section of the lower portion of the large-diameter section cavity is in the shape of a semiellipse. The spiral propeller comprises a rotating shaft and spiral blades. The spiral blades are in a uniform pitch and variable diameter mode, and gaps are reserved between the spiral blades and the inner walls of the large-diameter section cavity and the small-diameter section cavity. The spiral conveyer with the special pipe walls can achieve continuous pulseless feeding and can reduce influence on feeding caused by discharging impact.

The invention discloses a unilateral buckling type novel buckle which includes a female buckle and a male buckle. The female buckle includes a piece A and a piece B. The male buckle includes a piece Cand a piece D. When the piece A and the piece B are bound, claws on the piece B penetrate a fabric and are clamped on two transverse sides of the piece A, the claws are bent towards the inside of a groove to cause the piece A and the piece B to be quickly and firmly fixed; when the piece C and the piece D are bound, the front end of a pointed cone of the piece D penetrates the fabric and a punched hole and is inserted in an inner cavity of a protrusion portion, the piece D is stamped, and the front end of the pointed cone of the piece D abuts against the protrusion portion and deforms and bends to cause the piece C and the piece D to be quickly and firmly fixed. When the unilateral buckling type novel buckle is buckled and used, the front end of the protrusion portion is inserted in one side of a large opening portion and transversely moves to a small opening portion, and thus the protrusion portion of the male buckle and the single side of an insertion hole of the female buckle are buckled; and according to the binding common sense, the small opening portion is located on one pulled side, so that the harder the pulling, the tighter the buckling. The free end of an elastic piece can elastically squeeze the protrusion portion, the protrusion portion can be effectively prevented from loosening, and the unilateral buckling type novel buckle has the advantages of being simple in structure and high in practicality.

The invention discloses a gun head of a full-automatic riveter. The gun head comprises a rivet feeding mechanism, a fixed device and a gun head body fixed on the fixed device, the rivet feeding mechanism is mounted on the side face of the fixed device and comprises a cylinder, a transmission portion and a small-mouth rivet feeding portion, the transmission portion is fixed at a moving end of the cylinder, and the small-mouth rivet feeding portion is connected with the transmission portion, is in front of a rivet feeding port of the gun head body when in a closed state and is coaxial with the gun head body. A small double-cylinder air cylinder and a connection rod mechanism are combined, parts like the rivet feeding mechanism are added on a nozzle of a riveting gun without changing structure of a riveting gun body to feed rivets to the nozzle, riveting tasks at comparatively complex workstations can be completed by staggering the rivet feeding mechanism and the nozzle by a certain distance, and interference with workstations needing riveting can be avoided. The gun head is light in structure, convenient to operate, suitable for various rivets and long in service life.

The invention discloses a coke water pulp application process for glass melting kiln, comprising the steps of: mechanically pressurizing coke water pulp containing petroleum coke of 45-75% and then feeding it into a coke water pulp spray gun, making its pressure be 0.3-1.5MPa in the spray gun, simultaneously switching on an air source to feed the air into the spray gun, regulating the air pressure to 0.3-1.5MPa in the spray gun, fully atomizing the coke water pulp and spraying the atomized coke water pulp into the flame space in the glass melting kiln, starting a fan to input combustion-supporting air and preheating the combustion- supporting air to 800-1520 deg.C by heat storage chamber, feeding the preheated combustion- supporting air through a small mouth into the flame space in the glass melting kiln, and thus making the atomized coke water pulp quickly ignited and fully combust. And it can make flame temperature up to 1650-1730DEG C in the glass melting kiln, assuring quality of glass products accords with technical requirements, and largely reduce glass manufacturing cost, save petroleum resources and benefit environmental protection.

The invention provides a Beidou intelligent vehicle terminal that can timely and automatically clean a camera lens and is suitable for transport vehicles. The Beidou intelligent vehicle terminal includes a Beidou vehicle terminal host, an automobile driving parameter acquisition module, a camera, a power supply and a case. The Beidou intelligent vehicle terminal is characterized in that: it also includes an automatic lens cleaning device for keeping the camera lens clean. The automatic lens cleaning device comprises an air collection port, an air pipe and an air outlet. The air collection port is a bell mouth, the big mouth end of the air collection port is towards the vehicle head, and the small mouth end is connected to the air pipe. The air inlet of the air collection port is provided with a filter net. The air pipe is mounted on the vehicle body, the air pipe is provided with a dust exhaust hole, which is provided with an electrostatic dust collector, and the air outlet of the air pipe is towards the camera lens.

The invention provides a method for detecting flavor substance in aseptic instant rice and belongs to the technical field of headspace solid phase microextraction combined with gas chromatography-mass spectrometry. The method mainly comprises the following steps: the aseptic instant rice is put into a small-mouth glass bottle and is sealed with silver paper, the glass bottle with the aseptic instant rice is put into a water bath kettle, a 50 / 30 mum DVB / CAR / PDMS (Divinylbenzene / Carboxen / Polydimethylsiloxane) head needle penetrates through the silver paper, adsorption and extraction are carried out above the rice, and finally thermal desorption is carried out on a gas chromatography and mass spectrometer and data is acquired for automatic analysis. The detection method disclosed by the invention can be used for rapidly detecting the flavor of the instant rice and has the advantages of convenience, rapidness, good reproducibility, short time, high automation degree and the like.

The invention discloses a wind power generation device capable of tracking and gathering wind. The wind power generation device comprises a base, a support, a wind gathering barrel and a wind power generator, wherein the support comprises a rotary shaft; the support is arranged on the base through the rotary shaft; the wind gathering barrel is fixed on the rotary shaft; the wind power generator is fixed on the support; the relative positions of the wind gathering barrel and the wind power generator are always unchanged; the wind gathering barrel is of a horn mouth shape; the smaller mouth of the horn mouth is fixedly aligned with the wind power generator; the large mouth of the horn mouth faces outwards; the wind direction can be tracked without consuming external energy; and the wind energy can be gathered, and the wind power is increased and then is utilized for power generation. The wind power generation device capable of tracking and gathering wind has the advantages of being simple in structure, low in cost, easy for operation, suitable for promotion and convenient for disassembly and assembly.

The invention relates to a method for directly measuring intercuspal positions of alveolar ridges of edentulous jaws. The method includes the steps that an upper edentulous jaw plaster model and a lower edentulous jaw plaster model are scanned to obtain first data; at the small mouth opening position, the face, the upper-jaw alveolar-ridge front tooth region and the lower-jaw alveolar-ridge front tooth region are scanned to obtain second data; the first data are matched with the second data, and data of the portion, above the apex nasi, of the face and the data of the upper-jaw model are grouped to obtain third data; data of the chin and data of the lower-jaw model are grouped to obtain fourth data; at the rest jaw position, the face is scanned to obtain fifth data; the third data and the fourth data are matched with the fifth data; lower-lip frenum root positions of the lower edentulous jaw model in the fourth data are extracted, and the lower-lip frenum root positions and the lower edentulous jaw model are grouped to obtain sixth data; in the third data, mapping points of double-side processus condyloideus on the skin of the face are interactively extracted, and the sixth data are rotated upwards by 3 mm with the connecting line of the mapping points as a rotating axis; upper-lower-edentulous jaw alveolar ridge data of the intercuspal positions are obtained. By means of the method, complex steps for manufacturing a occlusal splint support can be replaced, and the intercuspal positions between the upper alveolar ridge and the lower alveolar ridge of an edentulous jaw patient can be directly measured.

The invention discloses a device for pumping recycled water by utilizing the kinetic energy of tap water. The device comprises a pump body, an impeller, a power wheel and a power bin, wherein the power wheel and the power bin are coaxially arranged with the impeller; the power wheel comprises a wheel disc and a water skip / blade. The device is characterized by further comprising an aqueduct and a draft tube which are connected with the power bin; the inner wall of the power bin is close to the circular space formed by rotation of the wheel disc and the water skip / blade; the aqueduct comprises a gradually-reducing conical tube; the draft tube mainly comprises a gradually-enlarging conical tube; the diameter of the impeller is larger than that of the power wheel; the axes of the aqueduct and the draft tube coincide, and are tangent to part of the center line of a circular cavity; the circular cavity is formed by surrounding the water skip / blade with the power bin; the large mouths and the small mouths of the aqueduct and the draft tube have the same calibers respectively; the caliber of each small mouth is equal to the inner diameter of the circular cavity. Compared with the prior art, the device is simpler in structure, smaller in size, lower in cost, and easy to mount and popularize, and has the benefits that the tail water flow rate is maintained, and the utilization rate of water resources is improved.