74results about How to "Easy air intake" patented technology

The invention relates to the technical field of keyboards, in particular to a self-cleaning keyboard. The keyboard comprises a keyboard body and keys; key holes are arranged in the keyboard body, and the keys are located on the key holes; an airbag pad is arranged on the keyboard body, and a plurality of through holes for the keys to be inserted in the key holes are correspondingly formed in the airbag pad; each key comprises an upper part for a finger to tap and a lower part capable of sliding up and down in each key hole; springs are arranged in the key holes; the airbag pad is located between the upper parts and the keyboard body; air discharging parts capable of discharging air during pressing of the airbag pad and an air feeding part capable of feeding the air during release of the airbag pad are arranged on the airbag pad; the air discharging parts are uniformly arranged in circumferential directions of the keys; a ventilation tube is arranged on a side surface of the airbag pad; an air inlet one-way valve is arranged on the ventilation tube; and a ventilation cover is connected to the ventilation tube. According to the scheme, dust around the keys can be cleaned when the keys are tapped; people can dismount the keys once conveniently; and a hand can be prevented from sweating.

The invention provides an atomizer and an electronic cigarette thereof. The atomizer provided by the invention comprises a liquid storage assembly, an atomizing and heating assembly and an air adjusting assembly, wherein the liquid storage assembly comprises a liquid storage pipe and a lower cover mounted at the bottom end of the liquid storage pipe; the atomizing and heating assembly is mounted in the liquid storage pipe and a liquid storage cavity is enclosed by the atomizing and heating assembly and the lower cover; the air adjusting assembly comprises an upper cover, a connection part and an adjusting ring; air inlet holes are formed in the two sides of the periphery of the upper cover; the upper cover is mounted at the top in the liquid storage pipe and an atomization space is formed between the upper cover and the atomizing and heating assembly; the connection part is mounted in the liquid storage pipe and is connected with the bottom end of a covering part; the connection part is used for guiding airflow entering the air inlet holes into the bottom end of the atomization space; the bottom end of the connection part is inserted onto the atomizing and heating assembly; the adjusting ring rotatably sleeves a pipe part; the adjusting ring is provided with a ventilation hole; and the ventilation hole can be selectively communicated with the air inlet holes in the two sides of the periphery through rotating the adjusting ring. According to the atomizer, upper and lower air inlet modes can be converted through rotating the adjusting ring and a consumer can select the air inlet manner according to requirements.

The invention relates to an air compressor filter element cleaning method which comprises the following steps that 1, a filter element moves, a driving assembly drives a rotating shaft to rotate, theused filter element and a clean filter element rotate away from an air outlet and an air inlet respectively, and the air outlet and the air inlet are closed; 2, gas supply, wherein a rotating block rotates to enable a gas outlet pipeline of the air compressor to supply gas to a gas inlet pipeline inlet and cleaning assembly of the air compressor; 3, vibrating the filter element, and enabling the used filter element to rotate and move in the mounting sleeve along with the rotation of the mounting sleeve; 4, cleaning the filter element, respectively aligning the used filter element and the cleanfilter element with the air inlet and the air outlet, and carrying out reverse blowing cleaning on the used filter element by the cleaning assembly; 5, dust collection and cooling are conducted, specifically, a driving assembly independently drives a rotating plate to rotate, then a driving lever and a corresponding piston column are driven to move, and then an arc-shaped plate located on one side of an air inlet conducts dust collection; and the arc plate located at one side of the air oulet blows air for cooling down. According to the method, the cooling effect is good.

The invention discloses an adsorption device for semiconductor refrigeration. The adsorption device comprises a refrigeration mechanism and a closed chamber to be cooled, wherein the refrigeration mechanism comprises a semiconductor refrigeration sheet, first sealing rings, a sealing plug, a connecting line and a circular ring; the semiconductor refrigeration sheet has a mosaic structure; part of each first sealing ring is embedded in the semiconductor refrigeration sheet; the circular ring is fixed on the side surface of the semiconductor refrigeration sheet by welding, and is connected with the sealing plug through the connecting line; a vent hole is formed in one of the first sealing rings, and the sealing plug is inserted in the vent hole and is closely matched with the first sealing ring; the closed chamber to be cooled comprises a smooth flat plate, a cavity and a heat insulating layer; and the cavity is surrounded by the heat insulating layer and the smooth flat plate together, and exchanges heat with the outside through the smooth flat plate. According to the adsorption device, the semiconductor refrigeration sheet does not need to be closely attached to a plane to be refrigerated, so that the operation difficulty of a attaching technique is reduced, air induction and air admission are convenient, and the adsorptive power is high in controllability.

The invention discloses a new energy storage battery protection device which comprises a protection box, a cover plate is movably connected to the top of the protection box through a hinge, a lockingdevice is fixedly connected to the right side of the cover plate, and air inlet grooves are formed in the two sides of the top of the cover plate. According to the invention, the air inlet grooves, afirst dustproof net, a heat dissipation mechanism, a temperature sensor, a processor, a heat dissipation groove, a second dustproof net, an anti-shaking mechanism, a buffer plate, a buffer mechanism and a mounting plate cooperate with one another, and the advantages of buffer protection and heat dissipation protection of the storage battery are achieved; when the new energy storage battery is used, the new energy storage battery can be effectively buffered and protected, vibration damage to the new energy storage battery is prevented, and the service life of the new energy storage battery is prolonged; and meanwhile, heat dissipation protection can be effectively conducted on the new energy storage battery, high-temperature burnout of the new energy storage battery is prevented, and the service life of the new energy storage battery is prolonged.

The invention relates to a simulation nipple comprising a tit, a mammary areola, a tit bearing part and a connecting part. A milk suction hole is made at the top of the tit. The simulation nipple is characterized in that rugged wrinkles are made on the tit, and a waved inner wall surface is made at the inner side of the tit. The invention has a main characteristic that the rugged wrinkles are made on the outer wall surface of the tit, which ensures good tongue feeling, increased surface area and good elasticity and enables an infant to have enhanced tongue holding force, be easy to suck and favorable to bite with the upper jaw and the lower jaw without cracking the simulation nipple. The waved inner wall surface made at the inner side of the tit improves the flexibility of the tit, is favorable to stretching the nipple deep into the mouth and prevents milk from overflowing.

The invention discloses a garbage can with automatic sterilization and deodorization functions. The garbage can comprises a can body. A can cover is hinged to the left side of the top of the can body.The can cover is in hollow design. A storage box is inserted into the right side of the can cover, biological bacteria are stored in the storage box, a manual pressing pump is arranged on the top ofthe can cover, the manual pressing pump penetrates through the can cover and stretches into the can cover to be fixedly connected with a control valve, and an automatic pressing pump is arranged on the upper left side in the can body. Through the arrangement of the can body, the can cover, the storage box, the automatic pressing pump and the manual pressing pump, the garbage can has the beneficialeffect of automatic sterilization, and meanwhile the problems that an existing garbage can does not have the function of automatically treating garbage, after the garbage in the garbage can is put for a long time, putrid odors and some harmful substances can be generated, and the environment is polluted are solved.

The invention belongs to the technical field of air inlet mechanisms, and particularly relates to an air inlet mechanism used for a piston compressor. By aiming at the problem of a small air inlet quantity, the invention now puts forward the following scheme that the air inlet mechanism comprises an air inlet box, wherein the outer wall of the top of the air inlet box is connected with an air guiding pipe through a flange; the outer wall of one side of the air inlet box is provided with air inlets which are distributed at equal distances; the air inlet box is of a structure of which two ends are small and the middle is big; the diameter of each air inlet is 3-6 mm; and the air inlets are positioned in the middle of the air inlet box. The air inlet mechanism is provided with semiconductor refrigeration sheets, a motor, a rotary rod, stirring rods and connecting rods, when the semiconductor refrigeration sheets are started, a temperature value in the air inlet box can be lowered, pressure intensity is caused to be lowered to accelerate speed for air to flow into the air inlet box, and the air inlet quantity is increased in equal time. A motor is started, the motor drives the rotary rod to rotate, the stirring rods are of wave-shaped structures with different shapes, vortexes of different shapes can be generated, and cold air generated by the semiconductor refrigeration sheets canbe mixed.

According to the technical scheme, a polycarboxylic acid high-performance water reducing agent production and synthesis device is characterized by comprising a polyether primary pre-reaction kettle, a polyether primary reaction kettle, a polyether secondary pre-reaction kettle, a polyether secondary reaction kettle and a water reducing agent reaction kettle which are connected in sequence; the device further comprises a 4-hydroxybutyl vinyl ether storage tank and an ethylene oxide and epoxybutane storage tank; the water reducing agent reaction kettle is further provided with an unsaturated monocarboxylic acid monomer solution storage tank and an initiator and chain transfer agent solution storage tank, and the polyether primary pre-reaction kettle and the polyether secondary pre-reaction kettle are provided with continuous catalyst feeders; and a first feeding mechanism for dispersing and feeding materials and a second feeding mechanism for atomizing and feeding ethylene oxide, epoxybutane and 4-hydroxybutyl vinyl ether are arranged on a feeding hole of the polyether primary reaction kettle. The device has the beneficial effects that the efficiency of producing and synthesizing the polycarboxylate water reducing agent is high, the mixing is sufficient, and the quality of the produced polycarboxylate water reducing agent is good.

The invention aims to provide an air compressor. The air compressor utilizes rotor rotation to generate high pressure gas; comprises a working cavity, which is formed by a recessed part of a rotor and a recessed part of a shell and is arranged between the rotor and the shell; also comprises a tongue piece device and a driving device for driving the tongue piece to move, wherein the tongue piece of the tongue piece device is elastically arranged in the working cavity, and the tongue piece can compress the gas in the working cavity during the rotation process of the rotor. The tongue piece device further comprises a first tongue piece device, which has a first tongue piece for hermetically cooperating with the recessed part of the rotor during the rotation process of the rotor, wherein the first tongue piece is elastically arranged in the first tongue piece device under the action of a first tongue piece driving device; and a second tongue piece device, which is arranged on the rotor and is provided with a second tongue piece cooperating with the recessed part of the shell, wherein the second tongue piece is elastically arranged in the rotor under the action of a second tongue piece driving device. The air compressor has the characteristics of small noise, high working efficiency, stable work state, and simple structure.

The invention belongs to the technical field of photovoltaic controllers, and particularly relates to an electricity larceny prevention photovoltaic power generation integrated controller. Aiming at the problems that the interior of the existing photovoltaic controller is easy to overheat due to excessive electrical elements and the larceny prevention performance of the traditional electricity larceny prevention photovoltaic power generation integrated controller is general, the following scheme is proposed: the electricity larceny prevention photovoltaic power generation integrated controllercomprises a base, a placing groove is formed in the top of the base, a bottom plate is fixedly installed in the placing groove, a protective cover is fixedly installed at the top of the bottom plate,a positioning base is fixedly installed at the top of the bottom plate, a motor is fixedly installed on one side of the positioning base, two symmetrically-arranged positioning plates are fixedly installed at the top of the bottom plate, and first rotating rods are rotatably connected to the two positioning plates. The controller is simple to operate and convenient to use, electrical components in the controller can be ventilated and cooled, the larceny of thieves is also effectively prevented at the same time, the interior of the controller can be sealed, and the controller is convenient forpeople to use.

The invention relates to a high supercharged engine intake port and a designing method, and belongs to the technical field of intake systems of internal combustion engines. The high supercharged engine intake port is characterized by comprising an intake port tapered section, an intake port throat and an intake port diverging section. The ration of the section area A0 of the intake port throat to the area A2 of an intake port outlet ranges from 0.75-0.85; the ratio of the distance L1 between the intake port throat and the intake port outlet to the total length L of the intake port ranges from 0.4-0.6. The designing method has the innovated advantages that the problem that the circulating capacity of an intake port designed by an existing low-intake-pressure engine intake port designing method is insufficient is solved; the engine intake port which meets the requirements of high supercharged working conditions is designed, so that the circulating capacity of the high supercharged engine intake port is improved, the pressure in a cylinder after intake is increased, and air input is increased; accordingly, the high supercharged engine intake port and the designing method have a positive effect on optimizing combustion and improving the performance of a high supercharged engine.

The invention provides a formaldehyde purifying apparatus for indoor decoration. The purifying apparatus comprises a purifying apparatus body, an air inlet is arranged in the center position of the top of the purifying apparatus body, the top of the inner wall of the purifying apparatus body is fixedly connected with a bearing plate, the bearing plate is positioned just below the air inlet, the left end of the bearing plate is fixedly connected with the inner wall of the left side of the purifying apparatus body, the right end of the bearing plate is fixedly connected with the inner wall of the right side of the purifying apparatus body, a motor box is fixedly arranged at the center position of the bottom of the bearing plate, and a motor is fixedly arranged at the bottom of the inner cavity of the motor box. A precipitate in the inner cavity of a precipitation device is residual at the top of two layers of filter screens through arranging a residue discharge port, a piston, a seal ring and a spring, the piston is manually pressed to make the piston move in the residue discharge port, and the seal ring makes the sealing property of the piston good to avoid outside leakage of the residues, so the residues can be conveniently discharged.

The invention discloses a mountaineering assisting walking stick for travel, relates to the technical field of walking sticks, and provides the following scheme to solve the problems that an existingmountaineering walking stick cannot be used for carrying a knapsack, buffer support is inconvenient to provide, meanwhile, the height is inconvenient to adjust, and a user is inconvenient to sit downfor rest: the mountaineering assisting walking stick comprises a supporting rod, a sleeve is movably arranged outside the supporting rod in a sleeving mode, the pipe wall of one side of the sleeve issleeved with a first fastening bolt in a threaded mode, a movable plate is fixedly connected to the bottom of the sleeve, two first rolling wheels are arranged at the bottom of the movable plate, a movable rod is hinged to the left side of the top of the movable plate, and an adjusting support is arranged on the movable rod. A user can conveniently place the knapsack on the walking stick for walking, so that labor is saved, the user can feel cool; the user can conveniently sit for a rest at any time; the height of the handle can be conveniently adjusted, and the walking stick can be conveniently used by users in different heights; buffering can be provided when the user uses the walking stick, and good use experience is brought to the user.

The invention discloses a temperature-controlled moxibustion box. The box comprises a casing and an adjusting cover, the bottom of the casing is in screwed connection with a base, the top of the baseis provided with a bump, a moxibustion column mounting groove is fixedly formed in the middle of the top of the bump, a clamping slot is formed in the inner wall of the moxibustion column mounting groove, the top of the bump is disposed on one side of the moxibustion column mounting groove with an opening communicated with the clamping slot, the bottom of the adjusting cover is provided with a sleeve, vent holes are formed in the surface bottom end of the casing and the bottom end of the sleeve, the inner portion of the adjusting cover is rotatably connected with a baffle plate through a rolling bearing and a connecting rod, air vents are formed in the surface tops of the baffle plate and the adjusting cover, and one side of the baffle plate is fixedly provided with a dial block of which the end portion penetrates through a limiting cavity. The box has simple and reasonable structural design, convenient operation, convenient disassembly and assembly, simple adjustment and safety and stability, effectively achieves temperature control and smoke filtering operation, has various functions and wide application range, and is favorable for promotion and popularization.

The invention relates to a self-cleaning structure of a range hood. The self-cleaning structure of the range hood comprises a steam spraying pipe arranged on an impeller of the range hood, and a driving structure capable of rotating the steam spraying pipe relative to the impeller; the driving structure is arranged in an intake port of the impeller, and is connected with a first end of the steam spraying pipe; a second end of the steam spraying pipe extends into the impeller, and can form an annular motion trajectory in inner periphery space of the impeller; a second end of the steam sprayingpipe is closed; and a nozzle for spraying out steam is formed in the side wall. The driving structure is not needed to provide power to the steam spraying pipe, but is only needed to enable the firstend of the steam spraying pipe to conveniently introduce air and to achieve free rotation; when steam is sprayed from the steam spraying pipe to blades of the impeller, as the blades have a certain radian, the blades can apply reactive force to the steam spraying pipe through steam to push rotation of the steam spraying pipe; and the rotating speed of the steam spraying pipe is lower, and the timeof the steam continuously acting on one local area of the impeller is longer, so that effective scouring of the impeller by the steam is facilitated, and better cleaning effect is achieved.

The invention discloses a method for detecting the weld joint of a stiffening plate. The method is characterized by comprising the following steps: a, welding an instrument tube having a length greater than or equal to 200 mm and a diameter greater than the diameter of a stiffening plate leakage signal indicating hole on the stiffening plate leakage signal indicating hole in order that the joint of the stiffening plate leakage signal indicating hole and the instrument tube are sealed and welded, and welding a storage tank stiffening plate to a storage tank or a pipeline member after the instrument tube is welded on the leakage signal indicating hole; b, after the stiffening plate is welded, connecting the instrument tube with an air guiding tube to inflate and pressurize a pace in the storage tank stiffening plate for detection; and c, after the detection of the weld joint of the stiffening plate, removing the instrument tube by a polishing machine. The method for detecting the weld joint of the storage tank stiffening plate can conveniently weld the stainless steel instrument tube for guiding air, facilitates the air intake of the closed space after the stiffening plate is welded,can guarantee the air tightness between an air source and an indicating hole inlet, is convenient in leak detection operation and reduces detection cost.

The invention discloses a plasma surgery system comprising a main engine case, a cutting knife, a hemostatic knife and an ablation knife. The plasma surgery system is characterized in that the front side of the main engine case is fixedly mounted with a first window and a second window, wherein the first window is located on the left side of the second window; front sides of the first window and the second window are respectively and actively installed with a first up button and a first down button as well as a second up button and a second down button; the first up button and the second up button are respectively located on top of the first down button and the second down button. The plasma surgery system has the advantages that with the arrangement of a first jack and a second jack, a first input connector, a second input connector and a third input connector are enabled to be connected with the main engine case; with the first up button and the first down button as well as the second up button and the second down button respectively arranged on the first window and the second window to control the power of the cutting knife, hemostatic knife and ablation knife, doctors are allowed to adjust the power according to conditions of different patients, difficulty of doctors' surgery is reduced, and the plasma surgery system is easy for people to use.

The invention provides an air inlet structure of a motorcycle engine, and belongs to the technical field of motorcycles. The problem that air intake is unstable when the air filter and the gearbox need air intake at the same time is solved. According to the air inlet structure of the motorcycle engine, a motorcycle comprises an air filter, a gearbox and a side cover, the air filter and the gearbox are arranged on the same side of a motorcycle body, the side cover is connected to the outer side of the air filter and the outer side of the gearbox at the same time, and the air inlet structure comprises an air inlet cavity formed among the side cover, a shell of the air filter and a decorative cover of the gearbox. A partition plate is arranged in the air inlet cavity and divides the air inlet cavity into an upper air inlet channel used for air inlet of the air filter and a lower air inlet channel used for air inlet of the gearbox, an inlet of the upper air inlet channel is arranged forwards, and the rear end of the upper air inlet channel is communicated with an air inlet pipe of the air filter. An inlet of the lower air inlet channel is arranged backwards, and the front end of the lower air inlet channel is communicated with an inlet of the gearbox. The device has the advantages of stable air intake, high air intake quality and the like.

The invention relates to the technical field of nutrient solution detection and relates to a nutrient solution PH value, EC value and temperature combined instrument. The nutrient solution PH value, EC value and temperature combined instrument comprises a box body, the bottom of the inner wall of the box body is movably sleeved with a machine shell, a single-chip microcomputer and a storage battery are fixedly installed in the machine shell through bolts, and an alarm is fixedly installed at the top of the outer wall of the machine shell through bolts. The defects in the prior art are overcome, the temperature in a nutrient solution can be detected through a temperature sensor, the PH value in the nutrient solution can be detected through a PH sensor, the concentration of the nutrient solution can be detected through an EC sensor; and detection information is transmitted to the single-chip microcomputer, the single-chip microcomputer judges the information according to internal programming; when a certain detection value in the nutrient solution exceeds a normal range, an alarm can be given through the alarm to remind people of adding corresponding raw materials in time to adjust the interior of the nutrient solution, so that the PH value, the EC value and the temperature of the nutrient solution can be maintained in the normal range, and the emergence rate, the strong seedling rate and the seedling rate of tobacco seedlings are indirectly increased.

The invention discloses an anti-falling device for bridge construction. The device structurally comprises a net bag frame, a two-way air cylinder, a base, moving wheels, an anti-skid plate, a mountingcavity and a power device; moving wheels are installed at the bottom of the base. The mounting cavity is formed in the middle of the base, a power device is mounted in the mounting cavity; the powerdevice is communicated with the two-way air cylinders arranged on the two sides respectively; the top of the bidirectional cylinder is connected with the net bag frame; the bottoms of the bidirectional cylinders are connected with antiskid plates; the power device comprises an air inlet disc, a communicating pipe, a transmission structure and a motor. The communicating pipe is horizontally placedin the middle of the mounting cavity. The beneficial effects of the invention are that the load of the motor can be reduced under the action of the lever; extending is conducted in an intermittent airinlet mode, a traditional air inlet mode of an air inlet cylinder is avoided, the height of the power device can be reduced, the occupied area of the power device is reduced, the size of equipment isreduced, potential safety hazards caused by using a belt can be avoided in an air pressure mode, and using safety is improved.

The invention discloses a detector for harmful gas in a high-voltage electrical cabinet, and belongs to the technical field of high-voltage electric cabinet gas detection. A high-voltage electric cabinet body is included, a bracket is fixedly mounted in the right sidewall of an inner cavity of the high-voltage electrical cabinet body through screws, a harmful gas concentration detection module ismounted on the bracket, a main control module is fixedly connected with the middle part of the right sidewall of the high-voltage electrical cabinet body through screws, harmful gas elimination equipment is fixedly connected to the lower side of the right sidewall of the high-voltage electrical cabinet body through screws. Gas inlet and outlet are arranged to input gas into and output gas out of the cabinet body conveniently, and harmless treatment of the gas in the high-voltage electrical cabinet body can be facilitated; harmful gas in the cabinet body can be detected conveniently due to a detection effect of the harmful gas concentration detection module, and by means of intelligent control, the labor cost is reduced, and problems can be discovered and settled timely.

The invention relates to the technical field of automobile part processing, and discloses an automobile part verifying device, which comprises a frame, a display board, an output board, an input frameand a placing table. A plurality of LED lights are evenly arranged on the display board. The input frame is in sliding connection with the frame. The input frame slides up or down through a driving device. The output plate is fixed to the upper part of the input frame. A plurality of button switches are evenly arranged at the bottom of the output board. The bottom of the input frame is provided with a plurality of flexible rubber blocks. The rubber blocks and input frames are connected via elastic members and every two adjacent rubber blocks are connected via elastic members. Push rods are fixed to the rubber blocks. The LED lamps are electrically connected with the button switches one to one. The button switches are in one-to-one correspondence with the rubber blocks. The two sides of the placing table are provided with a transport mechanism for transporting the verified parts. The placing table is provided with an inner cavity and an inflating mechanism for charging the inner cavitywith gas. The automobile part verifying device is simple in structure and can quickly verify the parts.

The invention relates to a tea processing and refreshing system and method. The system comprises a base, wherein a liquid supplying chamber, a left sidewall, a refreshing chamber and a right sidewallare sequentially fixedly mounted at the upper part of the base from left to right; a first liquid pump is arranged at the upper part of the liquid supplying chamber; a first liquid inlet pipe is connected to an inlet in the lower part of the first liquid pump; a first liquid outlet pipe is connected to an outlet in the upper part of the first liquid pump; a top plate is fixedly mounted on the topparts of the upper parts of the left sidewall and the right sidewall; a second liquid pump, a stirring chamber and a third liquid pump are sequentially arranged at the upper part of the top plate fromleft to right; the first liquid outlet pipe penetrates the top plate, and an outlet of the first liquid outlet pipe is communicated with the upper part of the stirring chamber; a plurality of tea storing frames are fixedly mounted in the refreshing chamber; the right sides of the tea storing frames are fixedly mounted on the right sidewall. According to the system, the plurality of tea storing frames are arranged, so that different teas can be conveniently stored and refreshed; in addition, rotating motor shafts are arranged in the tea storing frames and are driven through a rotating motor tostir tea, so that the tea can be processed by spraying and refreshing.

The invention provides a magnetic combined spherical unmanned aerial vehicle, and the unmanned aerial vehicle comprises an unmanned aerial vehicle body, a top plate, a protective plate, a fixed plate, an undercarriage and a connecting piece; the connecting plate is welded to the bottom of the periphery of the unmanned aerial vehicle body, the fixed plate is arranged at one end of the connecting plate, and a mounting groove is formed in the center of the fixed plate; and the interior of the mounting groove is movably provided with a clamping rod through a rotating rod. According to the magnetic combined spherical unmanned aerial vehicle, the safety of the magnetic combined spherical unmanned aerial vehicle can be improved through the fixing plate and the protective plate, the protective plate can buffer impact through the protective plate spring, and the protective plate is provided with the vent holes, so air intake is facilitated; the clamping rods can be conveniently magnetically attracted and fixed through the magnets, the magnetic combined spherical unmanned aerial vehicle can be conveniently combined, the stability of the combined unmanned aerial vehicle can be improved, the undercarriage can be folded and combined, a regular octagonal support is formed after combination, and the unmanned aerial vehicle can be conveniently loaded through the support.

The invention discloses a rotary air outlet device which is simple in structure and easy to implement, the arrangement of a first channel of a connecting seat is convenient for an external air source to enter a hollow movable part through the connecting seat, and the arrangement of a transverse pipe is convenient for enabling an air outlet head to be away from a vertical shaft around which the hollow movable part winds. The air outlet head can circumferentially move in a large range instead of rotating in the same position, on one hand, air blowing, water removal, dust removal and the like can be conveniently carried out on different positions of the workpiece, on the other hand, water, dust and the like drifting in the front of the moving direction can be further away from the workpiece and cannot fall back to the surface of the workpiece by moving the position during air blowing, and the use effect is better; in addition, through the arrangement of the communication connecting structure, the air outlet direction of the air outlet head can be conveniently adjusted according to needs, the air outlet head can well blow air towards the workpiece, and practicability is good.

The gas-liquid mixing device comprises a base, a reaction bin is fixed to the top of the base through screws, a gas inlet is formed in the right side of the bottom of the reaction bin, a liquid inlet is formed in the upper side of the gas inlet, the gas inlet and the liquid inlet are each provided with a flow valve, and a glass window is fixed to the left side of the front face of the reaction bin in an inlaid mode. A display is fixed above the front side of the working box through screws; a loudspeaker is arranged in the middle of the upper side of the display and is fixed on the working box through screws; a sound receiver is arranged in the middle of the lower side of the display and is fixed on the working box through screws; a button is arranged on the lower side of the sound receiver; buttons are fixed on the working box through screws; a controller is fixed on the left side of the upper part in the display through screws; the gas-liquid mixing device capable of being intelligently controlled has the advantages that miscellaneous gas is not easy to mix, waste gas is convenient to collect, and the device is convenient to control and use.

The invention relates to the technical field of pig unhairing devices, in particular to a quick type pigskin unhairing machine. The quick type pigskin unhairing machine comprises a base, wherein a frame body and an inflating assembly are arranged on the base; the frame body comprises an inverted front U-shaped frame and an inverted rear U-shaped frame; a hoisting assembly is arranged between the front U-shaped frame and the rear U-shaped frame, and comprises a crossbeam arranged between the front U-shaped frame and the rear U-shaped frame; a strip-shaped through groove formed in the length direction is formed in the crossbeam; two I-shaped sliding blocks which can move along the strip-shaped through groove are also arranged on the crossbeam; a sliding block bolt for positioning is arrangedon each I-shaped sliding block; two hanging rods are fixed to the lower end of each I-shaped sliding block; a universal bundling strip for bundling up pig's trotters is arranged on each hanging rod;beating mechanisms for beating pig bodies to regulate vital energy conveniently during inflating are respectively arranged on two sides of the crossbeam; the inflating assembly is arranged in an inflating assembly tank; and an inflating device being inserted under pigskins for inflating is arranged on one side of the inflating assembly tank. Compared with the prior art, the pigskin unhairing machine has the advantages that the design is reasonable, and the unhairing efficiency is improved.

The invention relates to the technical field of pulse backflush valves, in particular to a pulse backflush valve. The pulse backflush valve comprises an electromagnetic valve body, a valve deck, a valve body, a membrane, a jetting port and an air pocket. A first cavity is formed in the top end of the valve body. A second cavity is formed in the bottom end of the valve body. A movable valve core is arranged in the electromagnetic valve body and connected with a rubber mat extending into the first cavity. The second cavity is divided into an upper cavity body and a lower cavity body through the membrane. An upper pressing plate is arranged on the top face of the membrane. A lower pressing plate covering the jetting port is arranged on the bottom face of the membrane. The lower cavity body is connected with the air pocket. The valve body is further provided with a through hole which communicates with the first cavity and the second cavity. A pressure relief hole is formed in the first cavity. The upper cavity body in the second cavity is provided with a constant pressure pipe. The lower cavity body in the second cavity is provided with a throttling hole. A reset spring connected with the valve body is arranged in the center of the upper pressing plate. A plurality of buffer cushions are evenly distributed on the outer edge of the upper pressing plate. An annular groove is formed in the contact face of the lower pressing plate and the jetting port. A seal ring is arranged in the annular groove. The pulse backflush valve is good in sealing effect and long in service life.

The invention discloses an anti-falling device for bridge construction, the structure of which comprises a net rack, a two-way cylinder, a base, a moving wheel, an anti-skid plate, a mounting cavity, and a power device. A power device is installed in the cavity, and the power device is respectively connected with the two-way cylinders on both sides. The top of the two-way cylinder is connected with the net rack, and the bottom of the two-way cylinder is connected with the anti-skid plate. The power device includes an air intake plate, a connecting pipe, and a transmission structure. , the motor, and the connecting pipe is placed horizontally in the middle of the installation cavity. The beneficial effects of the present invention are: the load of the motor can be reduced through the action of the lever, and the elongation is carried out by means of intermittent air intake, avoiding the traditional air intake method of the air intake cylinder, The height of the power device can be reduced, the floor area of ​​the power device can be reduced, and the size of the equipment can be reduced. The safety hazard of using the belt can be avoided by means of air pressure, and the safety of use can be improved.