705 results about "Injection air" patented technology

The invention belongs to the technical field of permanent magnetization remanufacturing, and particularly relates to a permanent magnetization regeneration method for a waste motor of copper alloy wire processing equipment, and the method comprises the steps: disassembling a waste asynchronous motor, and reserving a case, a stator, a rotor core and a rotating shaft which are not damaged; the specifications of the air injection channels are determined according to the diameter of the rotating shaft, more than two air injection channels are arranged on the rotating shaft at equal-angle intervals, and then the rotating shaft is installed in the machine shell; the rotor core is split to obtain steel sheets, and permanent magnet grooves, magnetic isolation air grooves and air injection channel grooves are formed in the steel sheets; the permanent magnets are assembled in the permanent magnet grooves, then the steel sheets are laminated according to a first rule to obtain a rotor, and then the rotor is assembled to the rotating shaft; a rear end cover of the machine shell is removed, a heat dissipation machine cover is manufactured according to the diameter of the rear end cover, a bearing groove and an air outlet hole are formed in the heat dissipation machine cover, and then the heat dissipation machine cover is assembled to the machine shell; and a frequency converter is additionally arranged on the shell. The remanufactured permanent magnet synchronous motor manufactured by the method has better sealing performance and heat dissipation performance.

The invention relates to the field of pipeline detection, in particular to a pipeline leakproofness detection device for constructional engineering construction detection, which comprises a base, a detection cylinder is mounted above the base, a first plugging piece is movably connected in the detection cylinder, and the first plugging piece seals the end part of a to-be-detected pipeline and clamps and fixes the pipeline. The pipeline is driven to move; a first plugging piece is installed at one end of the pipeline, a second plugging piece is installed at the other end of the pipeline, an air hole is formed in the second plugging piece, and air is injected into the pipeline after the two ends of the pipeline are plugged through the first plugging piece and the second plugging piece; the transmission assembly comprises a horizontally-arranged transmission rod, the transmission rod is driven by a motor, a second gear is arranged on the transmission rod in a sliding mode, through the structure of the detection marking assembly, when the pipeline passes through the lower portion of the detection marking assembly, the position of the leakproofness defect on the surface of the pipeline is detected and marked, and therefore follow-up repair of the pipeline is facilitated; and the whole pipeline is prevented from being discarded to cause waste.

The invention discloses a horizontal five-axis turning and milling combined machining center, and relates to the technical field of combined machining machine tools. By arranging the composite milling mechanism, the height of the first milling assembly and the height of the second milling assembly can be independently adjusted, the purpose that the first milling assembly or the second milling assembly or the first milling assembly independently participates in the milling operation of the metal part is achieved, the turning mode, the milling mode or the turn-milling mode can be rapidly switched according to the machining requirement, and the machining efficiency is improved. A purging mechanism is arranged, linkage is formed through movement of a push rod, a push plate and a mounting base, and therefore when the clamping disc is turned over, a piston is pushed by a first piston rod and a second piston rod to extrude out air in the air storage cylinder; and the output high-speed air flow blows the surface of the clamping disc through the air blowing holes of the hollow arc-shaped baffle so as to remove residual metal fines, so that the double cleaning effects of overturning dumping and air flow blowing are achieved, the cleaning strength is greatly improved, and the automation degree is high.

An axial fuel stage (AFS) injector includes a mixing member including axially elongated mixing chambers in fluid communication with a combustion liner of a combustor, and fuel injectors in opposing side walls of the mixing chambers. A high-pressure (HP) air injection member defines a set of HP air jets spaced from the inlet of each mixing chamber. A fuel plenum in the mixing member delivers fuel from a fuel source to each set of fuel injectors. Each set of HP air jets directs a HP air from a HP air source and, in some embodiments, to draw a low-pressure (LP) air from a LP air source to direct the LP air with the HP air into the inlet of a respective mixing chamber where fuel is injected. The axially elongated mixing chambers direct the air-fuel mixture into the combustion liner for combustion in a secondary combustion zone thereof.

The invention discloses a plastic hollow plate shaping and cooling device and method, and belongs to the technical field of plastic hollow plate processing.The plastic hollow plate shaping and cooling device comprises a processing table, and a vacuum adsorption control system and an air floatation supporting control system are arranged at the two ends in the processing table respectively; two cooling mold mechanisms used for cooling the plastic hollow plate are arranged at the two ends of the top of the machining table, and a main cooling mechanism and an auxiliary cooling mechanism which are used for cooling are arranged on each of two molds of each cooling mold mechanism. Uniform negative pressure is formed through the vacuum grooves and the vacuum holes in the upper mold, a plate is forced to be attached to the cavity so as to guarantee the section shape, the lower mold forms air film support through the air injection grooves and the air injection micropores, the downward pulling force of vacuum adsorption and the gravity of the plate are counteracted, sliding friction between the plate and the lower mold is converted into gas lubrication friction, and the service life of the plate is prolonged. The problems that in a traditional shaping process, due to the fact that single-side adsorption force is too large, the top of a plate protrudes, and a hollow cavity collapses are solved.

The invention provides upper fork burr treatment equipment which comprises a workbench, a top disc is arranged at the top of the workbench, and a plurality of positioning grooves distributed in an annular array are formed in the top disc; the two sides of the multiple positioning grooves are each provided with a pressing and positioning mechanism. The burr grinding and removing mechanism is located above one side of the top disc, and the burr grinding and removing mechanism is installed on the side of the workbench; the burr grinding mechanism comprises a grinding head, and the outer side of the grinding head is sleeved with a telescopic cylinder. The gas injection mechanism communicates with the top side of the telescopic cylinder through a conveying pipeline; and the rotation driving mechanism is arranged in the workbench, and the rotation driving mechanism is connected with the middle of the top disc. The rotary driving mechanism drives the top disc to rotate, the upper forks placed in the multiple positioning grooves are sequentially moved to the burr grinding and removing mechanism, batched upper fork burr treatment is achieved, the machining efficiency is improved, the air injection mechanism, the conveying pipeline and the telescopic cylinder are arranged, and automatic blowing and cleaning can be conducted on a grinding head of the burr grinding and removing mechanism.

A fuel nozzle for a turbine engine. The fuel nozzle has a premixer body, vortex generator, air injection orifice, and fuel injection orifice. The premixer body defines a primary flow path. The air injection orifice is provided in the premixer body and located downstream of the vortex generator. The fuel injection orifice is provided in the premixer body and opens into the primary flow path.

The invention relates to the technical field of detection systems, in particular to a quartz sand impurity rapid detection system, which comprises an image processing unit for regularly shooting images on a conveyor belt and recording the images as logistics images, and determining a target area corresponding to each logistics image based on a coincident part; the impurity identification unit is used for identifying the material contour in the target area, analyzing the impurity type corresponding to the material contour, marking the material contour corresponding to the impurity as a target contour and determining the position of the target contour; the air injection control unit is used for analyzing and determining the air injection opportunity of each air injection blowing nozzle based on the position coordinates when the target contour is identified and marked in combination with the conveying speed of the conveying belt; and when the air injection opportunity corresponding to the target contour is output, analyzing the shape characteristics of the target contour to obtain a projection area and a thickness measurement value, and adjusting the air flow parameters of the air injection blowing nozzle in combination with the corresponding related impurity types. According to the invention, different types of impurities can be effectively distinguished and targeted elimination can be carried out.

The utility model relates to a silver ingot transfer clamp. The silver ingot transfer clamp is characterized in that a connecting block is mounted on a manipulator forearm, and a clamp cylinder is mounted in the middle of the lower side of the connecting block; the movable plate is mounted on telescopic rods on two sides of the clamp cylinder, the clamping plate is mounted at the lower end of the movable plate, and the clamping plate is mounted at the inner bottom of the clamping plate; the air injection row groups are mounted on the outer sides of the clamping plates; air holes corresponding to the air nozzles of the air injection row groups are formed in the clamping plates; the adsorption device is installed at the front end of the connecting block and opposite to the clamp air cylinder. According to the scheme, the square clamp is arranged according to the shape of the silver ingot, the clamp air cylinder controls the clamping plate and the clamping plate to clamp and lift the silver ingot, and the stability of the silver ingot in the transferring process is effectively guaranteed in cooperation with the cushion block; and air injection row sets and air holes are formed in the two sides of the clamping plates, the cooled silver ingots are dried, and the silver ingot treatment efficiency is improved.

An injector assembly for a gas turbine for introducing a gaseous fuel, liquid fuel and air into a combustion chamber, includes an injector shaft and an injector main body aligned along an injector longitudinal axis. The injector main body includes a first gas duct arranged centrally on the injector longitudinal axis, for introducing a gas flow into the combustion chamber; an air duct arranged radially around the outside of the first gas duct, and a liquid fuel injection arranged radially around the first gas duct for introducing the liquid fuel into the combustion chamber. The injector assembly introduces the gaseous fuel. The injector assembly is switchable between two configurations during operation: in a first configuration, air flows through the first gas duct, as an air injection; in a second configuration, the gaseous fuel flows through, as a gas fuel injection.

The invention discloses a model predictive control-based joint simulation method for a gas-supplementing and enthalpy-increasing cascade steam heat pump, and belongs to the technical field of gas-supplementing and enthalpy-increasing cascade steam heat pumps. The method comprises the following steps: S1, establishing a dynamic model of each component of the gas-supplementing enthalpy-increasing cascade steam heat pump; s2, connecting all parts according to a unified interface to form a system overall dynamic model, and performing dynamic simulation; s3, the dynamic simulation data of the air-supplementing and enthalpy-increasing cascade type steam heat pump system is applied, and multi-output and multi-input state space model identification is carried out; s4, using the identified state space model as a prediction model, and developing a model prediction controller MPC; the behavior of the system in a period of time in the future is predicted, the optimal control input is solved through an optimization method, and real-time and accurate control over the system is achieved. According to the invention, when the system deals with external load change and working condition change, the operation safety of the system is maintained while rapid and accurate load tracking and temperature control are realized.

The invention provides an automatic mechanical arm device, and belongs to the technical field of mechanical arms, the automatic mechanical arm device comprises a multi-axis servo mechanical arm and a laser welding head, the laser welding head is connected with a gas generator, the laser welding head is connected with an air injection seat and a laser channel cylinder, the air injection seat is connected with an air cylinder, and the automatic mechanical arm device further comprises a pollution discharge assembly, the pollution discharge assembly is used for removing smoke dust attachments after welding in the air outlet cylinder; the throttling assembly is used for circularly absorbing part of gas; the device has the beneficial effects that active cleaning of smoke dust attachments on the inner wall of the air outlet cylinder is achieved through the pollution discharge assembly, external washing equipment is not needed, a traditional maintenance means is avoided, the stability of the drift diameter of an air path is maintained, it is ensured that protective gas is output uniformly, the welding accuracy and efficiency are improved, and the throttling assembly restrains diffusion of the protective gas through an umbrella-shaped throttling cover; and meanwhile, unpolluted redundant protective gas is recycled, and the consumption of the protective gas is reduced.

The invention relates to the technical field of asphalt concrete detection, in particular to an asphalt concrete strength detection device which comprises a press machine, an upper pressing plate and a lower placing table, the protective cover is movably arranged in a base of the press machine; the gas injection mechanism is linked with the protective cover and is driven by the upward movement of the protective cover; the annular air bag is arranged on the periphery of the lower placement table and communicated with the air injection mechanism, automatic centering of the concrete sample is achieved through radial pushing of the annular air bag, and the problem that it is difficult to guarantee that the sample and the pressing plate are strictly coaxial through traditional manual placement is solved; the air bag is completely deflated and shrunk before being pressurized and is separated from the side wall of the sample, so that the interference of lateral supporting force on a detection result is thoroughly eliminated, the phenomenon that the strength value is virtually high due to constraint stress is avoided, and the accuracy and repeatability of the compressive strength test are effectively improved.

The invention discloses a gluing device which comprises a support, gluing equipment, a first air injection device, a second air injection device and a third air injection device, and the gluing equipment is movably connected with the support and used for extruding glue on a workpiece. And the first air injection device is movably connected with the bracket, is aligned to the rear part of the gluing equipment along the advancing path, and is used for injecting air to the upper part of the glue. And the second air injection device is movably connected with the bracket, is aligned to one side of the gluing equipment along the advancing path, and is used for injecting air to one side of the glue. And the third air injection device is movably connected with the bracket, is aligned to the other side of the gluing equipment along the advancing path, and is used for injecting air to the other side of the glue.

As shown in the reference drawing showing the state of use, the article of the present design is used to connect a compressor, a sealant container, and a hose plug when repairing a punctured tire by injecting air and sealant into the tire.

A combustion chamber head with a nozzle satisfying hydrogen combustion characteristics, which helps stable and safe combustion of hydrogen fuel and reduces the risk of combustion chamber backfire and ablation. A combustion chamber comprising the aforementioned head can provide zero-carbon emission and low-pollution combustion. The combustion chamber head comprises a nozzle for delivering hydrogen fuel; and a first air passage adjacent to the nozzle; the nozzle comprises a fuel passage for delivering hydrogen combustion fuel; a fuel injection hole in communication with the fuel passage for injecting the hydrogen fuel; a second air passage for delivering air; and an air injection hole in communication with the second air passage for injecting air; the injection direction of the fuel injection hole and the injection direction of the air injection hole are arranged to intersect with the first air passage, and the air injection hole is located on the downstream side of the fuel injection hole.

The utility model discloses a glass melting furnace bubbler which comprises a mounting plate and an insertion pipe, a shunting adjusting structure is mounted at the bottom of the mounting plate, a mounting frame is connected to one side of the mounting plate in a sliding manner, fastening adjusting structures are arranged at the two ends of the mounting frame, the insertion pipe is arranged above the mounting frame, and an auxiliary air injection structure is arranged in the insertion pipe. The auxiliary air injection structure comprises a double-helix liquid injection groove, a liquid injection opening, a drainage groove, an ejector pin, a high-temperature-resistant spring, a check block and an air injection opening, and the double-helix liquid injection groove is formed in the insertion pipe. When the bubbler disclosed by the utility model is not started, the top of the ejector pin blocks the air jet hole due to the elastic extrusion of the high-temperature-resistant spring, and when bubbles need to be generated, as gas flows to the air jet hole through the drainage groove, the ejector pin retracts under the action of air pressure, so that air flow can be jetted through the air jet hole.

The utility model relates to a mould frame for an automobile tail door mould, which comprises a bottom plate, guide pillar grooves are arranged at four corners of the bottom plate, a pressure groove is arranged at the center of the top of the bottom plate, and the side wall of the bottom plate is connected with an air injection nozzle communicated with the pressure groove. The multiple guide columns are installed in the guide column grooves in a one-to-one correspondence mode. The utility model relates to the technical field of die sets. According to the mold frame for the automobile tail door mold, a layer of air film can be generated between the mold and the bottom plate when the automobile tail door mold is placed on the bottom plate through the arranged air blowing assembly, so that the mold is prevented from being in direct contact with the bottom plate, meanwhile, the mold is supported, the friction force for moving the mold is very low, and the mold frame is very convenient to use. The position of the die can be easily adjusted, and alignment of the die and the bottom plate is facilitated.

The invention relates to an injector arrangement (100) for a gas turbine, in particular an aircraft engine, for introducing a gaseous fuel (31) and a liquid fuel (32) as well as air (30) into a combustion chamber (BK), having an injector shaft (1) and an injector main body (22) aligned along an injector longitudinal axis (L), wherein the injector main body (22) comprises: - a first gas channel (40) arranged centrally on the injector longitudinal axis (L) for introducing a gas flow into the combustion chamber (BK), - at least one air duct (5, 133, 134) arranged radially outwardly around the first gas duct (40) and - a liquid fuel injector (6) arranged radially around the first gas channel (40) for introducing the liquid fuel (32) into the combustion chamber (BK), wherein the injector arrangement (100) is additionally configured for introducing the gaseous fuel (31). Advantageous emission characteristics are obtainable in that the injector arrangement (100) is designed to assume, in particular, two alternative configurations, between which the injector arrangement (100) can be switched during operation, wherein the first gas channel (40) can be flowed through in a first configuration with air, functioning as an air injection, and in a second configuration with the gaseous fuel (31), functioning as a gaseous fuel injection.

A multi-fuel double-feeding-channel combustion furnace relates to the new technical field of outdoor and kitchen oil gas furnaces and comprises a furnace end body and an inner barrel structure in sealed connection with the interior of the furnace end body, the inner barrel is of a barrel structure with the upper end open and the lower end closed, and the lower portion of the inner barrel is connected with an oil pipeline in a bypass mode and provided with a flow adjusting valve to achieve accurate oil supply control. The upper end of the inner cylinder is in sealed connection with an oil nozzle with a protruding structure, and the protruding part is inserted into an air spraying hole of the air nozzle above. Air is supplied to a cavity formed between the air nozzle and the oil nozzle through an independent air pipeline, so that oil and gas burning can be carried out independently and can also cooperate with each other. According to the structure, the preheating-free function of the oil furnace and the preheating-free function of the low-flash-point fuel are achieved, multiple purposes of one furnace are achieved, and optimization is achieved in the aspects of combustion efficiency improvement and use convenience.

The invention relates to the technical field of energy processing, and provides a powder alternative fuel system, which comprises a crushing bin; a supporting part is arranged at the bottom of the crushing bin, a mounting frame is arranged on one side of the crushing bin, a crushing bin is arranged on the surface of the mounting frame, two sets of symmetrically-arranged crushing parts are arranged on the inner wall of the crushing bin, and a driving part matched with the crushing parts is arranged on one face of the crushing bin. According to the device, raw materials are thoroughly and homogeneously crushed into fine powder through combination of a double-roller type coarse crusher and a high-speed crusher, a heating pipe and a temperature control system are innovatively integrated in a crushing bin, online drying can be performed according to the humidity of the raw materials, and the fuel heat value is increased. The processed powder fuel is stably and directly conveyed to a combustor in an anti-blocking and anti-backfire mode through a spiral-rotary valve-wind power jet mechanical and pneumatic two-stage closed conveying chain, and full-process automatic and closed operation from raw materials to ignition points is achieved.

The utility model is suitable for internal combustion engine gas supply mechanism technical field provides a kind of multi-point injection air intake pipe of gas machine, comprising: main pipeline, its one side is equipped with air inlet, the other side of main pipeline is equipped with several air intake manifold, each air intake manifold is equipped with air jet nozzle, the flow direction of the gas in the inside of air jet nozzle and air intake manifold has certain angle, air intake manifold and main pipeline use integrated structure, by this, the utility model is guaranteed by setting integrated air intake structure, the reliability of air intake, while setting a kind of separate air jet structure, to ensure the separate control to engine, optimization control effect.

The utility model provides a label bearing seat. The label bearing seat comprises a cavity seat, a top cover and an air injection device, the cavity seat is provided with a top opening, and the top cover is matched with the cavity seat and covers the top opening of the cavity seat; the top cover is provided with a plurality of supporting strips protruding upwards and a plurality of air outlet holes communicating with the interior of the cavity base. The air injection device is communicated with the interior of the cavity seat through an air inlet hole in the inner wall of the cavity seat and can inject compressed air into the cavity seat; the problem of label adhesion can be reduced, so that the problems of label quality abnormity and production failure caused by the adhesion problem are reduced, and the production efficiency and the production quality can be improved; furthermore, the supporting strip is detachably installed on the top of the top cover, the supporting strip can be replaced conveniently, the adhesion phenomenon caused by dirt accumulation is avoided, and the label bearing base is easier to clean and maintain.

To provide an axial fuel stage injector having an axially elongated mixing chamber, a combustor including the injector, and a gas turbine system.SOLUTION: An axial fuel stage injector includes: axially elongated mixing chambers in fluid communication with a combustion liner of a combustor; and a mixing member including fuel injectors on opposing side walls of the mixing chambers. A high-pressure air injection member defines a set of HP air jets separated from an inlet of each mixing chamber. A fuel plenum of the mixing member delivers fuel from a fuel source to each set of the fuel injectors. Each set of HP air jets guides HP air from an HP air source, sucks LP air from a low pressure air source in some embodiments and guides the LP air together with the HP air to an inlet of each mixing chamber to which fuel is injected. The axially elongated mixing chamber guides an air fuel mixture to the combustion liner for combustion in a secondary combustion zone thereof.SELECTED DRAWING: Figure 3

The utility model relates to a conditioner steam jet which comprises a steam rod, a taper hole is formed in the front end of the steam rod, a step hole is formed in the steam rod, the small end of the taper hole is connected with a small hole of the step hole, an adjusting rod is arranged in the step hole, and a taper head matched with the taper hole is arranged at the front end of the adjusting rod. A compression spring for pushing the adjusting rod to reset is sleeved on the adjusting rod in a large hole of the stepped hole, and the rear end part of the large hole of the stepped hole is connected with a steam inlet pipe. According to the utility model, the movable adjusting rod is arranged in the steam rod, and the adjusting rod is pushed to move forwards by utilizing steam pressure, so that the conical head is separated from the conical hole, and steam is sprayed into the conditioner at a high speed; when steam injection is stopped, the compression spring pushes the adjusting rod to move backwards and reset, and the conical head is attached to the conical hole again, so that feed raw material particles can be effectively prevented from entering the steam rod to cause blockage, the stability of the air injection amount is ensured, and the conditioning effect is improved.

The utility model provides a bottleneck connector and sparkling water machine, wherein the bottleneck connector comprises: a joint piece, the joint piece is provided with an interface, the joint piece is provided with an air injection hole, a water injection hole and an exhaust hole, and the exhaust hole is communicated with the interior of the interface; the gas injection pipe is connected to the connector piece and penetrates out of the connector, and the interior of the gas injection pipe is communicated with the gas injection hole; the water injection pipe is connected to the connector piece, penetrates out of the connector and is arranged outside the gas injection pipe in a sleeving mode, and the interior of the water injection pipe is communicated with the water injection hole. According to the technical scheme, the problem that in the prior art, a water injection pipe and a gas injection pipe are matched with small-caliber water bottles of general specifications for water injection operation and gas injection operation correspondingly, and operation is tedious is effectively solved.

The invention relates to the technical field of automatic operation, in particular to a linear module automatic rivet pressing machine which comprises a supporting frame and further comprises a driving mechanism, a clamping mechanism, a rivet pressing mechanism and a cleaning mechanism, the driving mechanism comprises a moving assembly, a plurality of sliding blocks and a plurality of lifting assemblies, and the clamping mechanism comprises two pressing plates, two sliding assemblies and two clamping assemblies. The press riveting mechanism comprises a press riveting head and a pressing assembly, the cleaning mechanism comprises two spray heads and an air injection assembly, two push rods are driven to descend while press riveting is conducted on a plate, the push rods can drive pistons to move in air cylinders, air in the air cylinders is sprayed to the spray heads through extrusion on the air cylinders, and the air cylinders are driven to rotate; and air flow is sprayed through the spray head to blow air into a prefabricated hole in the position, needing press riveting, of a plate, chippings in the position, needing press riveting, of the prefabricated hole are removed and cleaned, the situation that chippings and dust remaining in the prefabricated hole affect the press riveting effect is avoided, and the press riveting effect is greatly improved.

A kind of refrigeration type range hood and its control method, including fan frame, fan frame inside is equipped with range hood fan, air conditioning component is installed outside fan frame, exhaust pipe is formed between the refrigerant pipeline of compressor and condenser, heating water tank and heat dissipation fan are equipped outside fan frame, condensate water on the surface of evaporator flows into heating water tank after being heated by condenser, the outlet end of air injection pipe connected to heating water tank is divided into two paths, one path is connected to condensate water discharge pipe, another path is connected to cleaning pipe for cleaning range hood fan, heat dissipation fan dissipates heat for condenser.The high-temperature and high-pressure steam in heating water tank of the refrigeration type range hood can be discharged through condensate water discharge pipe, and can also be used to clean range hood fan through cleaning pipe, on the one hand, it realizes effective use of condensate water, on the other hand, it improves air conditioning efficiency, and the control method can intelligently control the air volume of heat dissipation fan according to the water temperature, water level and exhaust pipe temperature of heating water tank, with high degree of intelligence.

The utility model discloses a kind of flatness detection devices for road construction, more specifically in the road flatness detection technical field, including sliding frame, the top of the sliding frame is slidably connected with sliding plate, the inside of sliding plate is slidably connected with distance detector, the inside one side of sliding frame is installed with screw rod, the corner of sliding frame is slidably connected with lifting rod, the center of the outer wall of sliding frame is provided with inclination angle instrument, the bottom one side of sliding plate is provided with cleaning cylinder;The center of the sliding plate is provided with rectangular hole, the outer wall of distance detector is fixedly connected with fixed plate, the top of fixed plate and sliding plate is slidably connected, the top one end of fixed plate is threadedly connected with fixed bolt;The top of both ends of cleaning cylinder is provided with electric push rod, the inside of cleaning cylinder is provided with air injection hole on the side away from sliding plate.The utility model has the advantages of convenient adjustment inclination angle, convenient adjustment detection position, convenient cleaning road surface.

The utility model discloses a diversion structure and an automobile heating ventilation air conditioner air distribution box, the diversion structure comprises a hot channel and a cold channel, the hot channel comprises a guide air inlet section, a first guide air outlet section and a second guide air outlet section, an injection flow channel is arranged in the hot channel, and the injection flow channel comprises an injection air inlet section, a first injection air outlet section and a second injection air outlet section; an end inlet of the injection air inlet section is formed in the channel wall of the hot channel guiding air inlet section, and the first injection air outlet section and the second injection air outlet section extend from the tail end of the injection air inlet section to the outlet direction of the first guiding air outlet section and the outlet direction of the second guiding air outlet section correspondingly. An outlet of the first injection air outlet section and an outlet of the second injection air outlet section are located in the first guide air outlet section and the second guide air outlet section correspondingly, and the outlet area of the first injection air outlet section and the outlet area of the second injection air outlet section are both smaller than the inlet area of the injection air inlet section. High-speed airflow is formed at the outlet of the ejection flow channel to drive hot air to flow upwards, and the problem of cold air backflow can be effectively solved.