34results about How to "With exhaust function" patented technology

The invention discloses a gas extraction center divided-flow type grouting and hole sealing device which comprises an extraction pipe, a grouting plug, a left bag and a right bag, wherein the extraction pipe penetrates through the left bag and the right bag, a multifunctional valve is arranged in the extraction pipe, and the left side and the right side of the multifunctional valve are respectively connected with a left flow division pipe and a right flow division pipe; the left flow division pipe and the right flow division pipe are both sheathed on the extraction pipe, and the inner diameter of the left flow division pipe and that of the right flow division pipe are both greater than that of the extraction pipe so as to form a slurry passage among the left flow division pipe, the right flow division pipe and the extraction pipe; and a grouting insertion pipe is inserted into the extraction pipe. Through the gas extraction center divided-flow type grouting and hole sealing device, more effective grouting and hole sealing of drilling holes in the hole sealing section can be realized, and the generation and the propagation of leakage cracks around the drilling holes can be better prevented. The invention also provides a hole sealing method by using the gas extraction center divided-flow type grouting and hole sealing device. Through the method, high stress regions are produced around the drilling holes in the hole sealing section, the permeability of coal around the drilling holes in the hole sealing section is reduced, and the purpose of effectively grouting and sealing the drilling holes in the hole sealing section is realized.

The invention relates to an LPC globe valve durability test bench which is used for LPG vehicle liquefied petroleum gas cylinder check valve durability testing and detection, is applicable to a manual check valve and an electromagnetic valve, and mainly comprises two parts, i.e. a durability testing device and a control system. The highest use pressure of the test bench is 1MPa compressed air, and the test bench automatically records the relation between pressure and circulation times through a durability test control unit and a pressure sensor, automatically draws a corresponding output pressure and time curve according to a preset pressure-time relation characteristic curve, has good sealing performance, is provided with an exhaust function, and can exhaust the air in a tester and a tested valve.

The invention discloses an integrated roof water prevention and heat preservation structure which comprises overhead plates laid on a roof base face and water prevention and heat preservation materials laid on the overhead plates. The joints between the overhead plates are in sealing connection with the junctions of the overhead plates and a protruding roof structure. The invention further discloses a construction method of the integrated roof water prevention and heat preservation structure. Through the organic combination of the overhead plates, steam discharge pipe and the water prevention and heat preservation materials, the heat preservation structure and the waterproof structure can be combined into a whole, floorslab stress damage is overcome, the floor base layer is kept dry, integrality is strong, durability is high, the roof structure is simplified, building cost is low, and construction efficiency is high.

The invention relates to a plug assembly for an underwater vehicle sealed capsule. The invention aims at solving the problems that the sealing effect of the existing plug assembly for the sealed capsule is not good and the installation of the sensor and the cable is not convenient. The technical scheme includes the following points: a plug cover assembled with the sealed capsule body, the plug cover is provided with a vent hole connecting to the sealed capsule body; a hollow screw arranged in the center of the plug cover and assembled with the plug cover, wherein the hollow screw is filled with a depth sensor protruding into the sealed cabin cylinder; an exhaust screw threaded into the exhaust hole; and a plurality of watertight plugs mounted on the plug cover and arranged around the hollow screws for externally connecting the cables. The invention has the advantages of good sealing effect and convenient installation of sensors and cables.

The invention discloses a plant protection unmanned aerial vehicle indoor test platform. The plant protection unmanned aerial vehicle indoor test platform comprises a base frame, a rotating shaft, a fixed bracket, sliding frames, distance measuring instruments and a liquid level collecting device; the base frame comprises a base block and supporting rods which are fixedly arranged on the base frame; the rotating shaft is detachably arranged on the supporting rods of the base frame, and is provided with a body; the body is arranged on the rotating shaft in a sleeving manner to form a whole body; the fixed bracket is arranged on the base frame through the rotating shaft; the sliding frames are arranged on the body at equal intervals; a sliding groove is formed in the bottom of each sliding frame; the distance measuring instruments are arranged in the sliding grooves; the liquid level collecting device is arranged at the top of the base frame and is connected with the supporting rods through the rotating shaft and a hanging rope; the height of a plant protection unmanned aerial vehicle can be adjusted; the pitch angle of the unmanned aerial vehicle can be adjusted precisely, so that the pitch angle of the unmanned aerial vehicle is consistent with that in actual flight; a better detecting result is obtained; a plant protection unmanned aerial vehicle indoor test method is also provided; the position and azimuth angle information of the plant protection unmanned aerial vehicle are measured through the distance measuring instruments; through the liquid level connecting device, the plant protection unmanned aerial vehicle spraying droplet distribution data are acquired, the error introduced by the liquid level collecting device is calculated and corrected, and the spraying droplet distribution probability is obtained.

The invention discloses an automobile air conditioner with air suction/exhaustion functions. The automobile air conditioner comprises an internal circulating air hole for circulating gas inside a carriage and one or more external air holes for the gas exchange between the inside of the carriage and the outside of the carriage, wherein the automobile air conditioner comprises a two-way ventilation device; the two-way ventilation device comprises a blower, and a gas pipeline and a switching mechanism which are connected with the blower; the blower can provide one-way or two-way gas flow; the gas pipeline is communicated with the external air holes; and the switching mechanism switches the flowing path or the flowing direction of gas inside the gas pipeline, so that air in the outside is sucked into the carriage or air in the carriage is exhausted to the outside, or air remained in an air-conditioning pipeline is directly exhausted outside the carriage without being circulated in the carriage. Through arranging the two-way ventilation device, the automobile air conditioner disclosed by the invention has the air internal circulating function and the air suction function of the existing automobile air conditioner, moreover, has the air exhaustion function, namely, the blower exhausts the air inside the carriage and exhausts the air inside the air-conditioning pipeline outside the carriage without being circulated in the carriage.

Provided is a drug preparing syringe with an exhaust function. The drug preparing syringe includes a syringe body, a piston rod, a needle base and needle tubing; an inner cavity for containing medicinal liquid is formed in the syringe body; the piston rod is movably mounted in the inner cavity of the syringe body; a medicinal liquid channel is formed in the needle base which is connected to the syringe body, and the medicinal liquid channel in the needle base is communicated with the inner cavity in the syringe body; one end of a needle is mounted in the medicinal liquid channel in the needlebase, and the other end of the needle is an exposed end; the drug preparing syringe further includes a ventilation sleeve pipe; an exhaust port is formed in the upper end of the ventilation sleeve pipe, an air inlet is formed in the lower end of the ventilation sleeve pipe, the ventilation sleeve pipe sleeves the needle base and is fixedly connected with the ventilation sleeve pipe, an annular cavity for airflow to pass through is formed between the inner wall of the ventilation sleeve pipe and the outer wall of the needle, and the exhaust port and the air inlet are communicated with the annular cavity separately. The drug preparing syringe has the advantage of having the exhaust function, and when drugs are pushed, it can be ensured that air pressure inside the syringe is the same as thatoutside the syringe.

The invention relates to an air purification module for purifying air and an air purification device comprising the air purification module. The air purification module comprises a dust collecting part which sucks air and filters particulate pollutants; a first airflow adjusting part used for receiving the filtered air from the dust collecting part and enabling the air to generate a vortex so as to enable the oxidizing agent to be uniformly supplied; an oxidant supply part for inducing the activity of a catalyst which is used for oxidizing the pollutants contained in the vortex air generated by the first air flow adjusting part; a catalyst oxidation part used for oxidizing the pollutants; and a second air flow adjusting portion used for receiving purified air from the catalyst oxidation part and enabling the air to generate vortex and discharging the air to the outside of the air purification module. The air purification module can effectively decompose air pollutants, especially gaseous volatile organic compounds.

The invention discloses a method for attaching a carbon-coated copper foil in an organic electroluminesence display. The method comprises the following steps: attaching the upper surface of a carbon-coated copper foil to the lower surface of a middle strip; pressing a position corresponding to the carbon-coated copper foil, of the middle strip; enabling the lower surface of the carbon-coated copper foil to be in contact with the upper surface of an attaching plate, and rolling the middle strip; transferring and attaching the carbon-coated copper foil to the upper surface of the attaching plate from the lower surface of the middle strip. The lower surface of the middle strip has viscosity, and the viscosity is less than those of the lower surface of the carbon-coated copper foil and the upper surface of the attaching plate, so that the carbon-coated copper foil can be transferred to the attaching plate. The middle strip has ductility, the surface of the middle strip can be prolonged when the pressing rollers presses down, the carbon-coated copper foil attached to the surface of the middle strip is tightened and flattened because of certain tensile force, then the attaching flatness can be improved, the middle strip has elastic and capillary pores perpendicular to the direction of the surface of the middle strip, soft force is needed when the carbon-coated copper foil is attached, bubbles can be avoided, the attaching flatness of the carbon-coated copper foil can be improved, the attaching efficiency can be improved, and the method can be applied to the field of curved surface attachment.

The invention discloses a detachable filter for an infusion apparatus. The filter comprises an upper catheter and a lower catheter which are used for being connected with an infusion pipe; the filtercomprises an upper shell and a lower shell which are detachably connected; the upper shell is internally provided with a primary filtering membrane, and a detachable secondary filtering membrane is sandwiched between the upper shell and the lower shell; several exhaust holes are formed in the top of the upper shell; the primary filtering membrane is a rough filtering membrane and can filter out particles with the diameter of 20 microns or above in medicine liquid; the secondary filtering membrane is a precise filtering membrane and can filter out particles with the diameter between 5-20 microns in the medicine liquid. The filter for infusion has the advantages that the filtering efficiency is high, the filtering effect is good, and multiple using requirements can be met.

The invention discloses a high-flow fuel fine filter assembly. The high-flow fuel fine filter assembly comprises a filter seat sub-assembly and two fuel fine filter elements, wherein the filter seat sub-assembly comprises a filter seat body; threaded holes are formed in the front portion of the lower side of the filter seat body; annular groove cavities are formed around the threaded holes; an oiloutlet channel and an oil inlet channel are formed in the filter seat body; an oil return channel is formed in the rear side of the oil inlet channel; the upper sides of the threaded holes are communicated with the oil outlet channel; through holes for communicating the annular groove cavities with the oil inlet channel are formed in the annular groove cavities; an oil outlet, an oil inlet and anoil return hole are formed in the upper side of the filter seat body; the oil outlet is communicated with the oil outlet channel; the oil inlet is communicated with the oil inlet channel; the oil return hole is communicated with the oil return channel; a bleeder screw is connected to the oil return hole; the two fuel fine filter elements are screwed on the two threaded holes respectively; oil outlets of the fuel fine filter elements are opposite to the threaded holes; oil inlets of the fuel fine filter elements are opposite to the annular groove cavities. The filter assembly is characterizedby high flow and also has an exhaust function.

The invention discloses a far range atomizer. The key points of the technical scheme of the invention are as follows: the far range atomizer comprises a frame body; the frame body is provided with a liquid tank, a liquid extraction component, an atomization component and a hydraulic component used for pushing the atomization component to lie on the frame body on back; the liquid extraction component is provided with a valve group used for supplying liquid for one of the hydraulic component and the atomization component in a switching manner; a liquid inlet of the hydraulic component is provided with a valve piece used for limiting the liquid to reflux to the liquid extraction component; and the hydraulic component is provided with a pressure relief component used for controlling drainage of the liquid. As for the far range atomizer, by utilizing a water tank and a water pump to control lifting of a hydraulic cylinder, an inclination of the atomizer can be hydraulically controlled, andthe atomizer also has the effect of volume effective control.

The invention discloses a progressive coal mine ventilation apparatus with an alarming function. The progressive coal mine ventilation apparatus comprises a shell, a single chip microprocessor and methane sensors, wherein the shell is provided with an air duct, a guide blade is installed below a first retainer net, a guide groove is connected with an air groove, a water passage is installed insidethe shell, a linkage blade is fixedly arranged inside water outlet cylinders, each water outlet cylinder is fixedly provided with a water sprinkling block, each water sprinkling block is provided with water outlet holes, the lower end of the shell is provided with the single chip microprocessor, the single chip microprocessor is connected with a buzzer, the single chip microprocessor is connectedwith the methane sensors, and the methane sensors are installed on the inner wall of the air groove. The progressive coal mine ventilation apparatus with the alarming function adopts a novel structure design to design a structure with the ventilation function, so that the problem that dust is easy to accumulate inside a traditional apparatus can be solved; and meanwhile, by designing a structurewith a uniformly sprinkling function, the problem that a great amount of flying dust is produced when the traditional apparatus works can be solved.

The invention discloses a constant-temperature dehumidification heat pump air conditioning unit for an indoor swimming pool, and belongs to the technical field of air conditioning units. The heat pumpair conditioning unit comprises a steam compression type refrigeration circulation device, wherein the steam compression type refrigeration circulation device comprises indoor unit systems and outdoor unit systems; the indoor unit systems comprise compressors, an evaporator, an indoor condenser, a water-cooled condenser, liquid storage devices and filters, wherein the compressors are connected with the water-cooled condenser and the outdoor unit systems; the water-cooled condenser is sequentially connected with the liquid storage devices and the filters through one-way valves, and the filtersare connected with the evaporator through expansion valves; the evaporator is connected with the compressors through the expansion valves; and the compressors are connected with the indoor condenserthrough first four-way valves. According to heat pump air conditioning unit, in the use process, moisture in indoor air of the swimming pool is removed, meanwhile, the indoor air is sufficiently keptin a constant-temperature state, so that the functions of condensation heat recovery and exhaust heat recovery are achieved at the same time.

The invention discloses a supporting mechanism and a folding ward. The supporting mechanism comprises a body and gas driving units, a gas channel for flowing of gas is arranged in the body, the body is provided with a gas inlet and gas outlets, the gas inlet and the gas outlets both communicate with the gas channel, the number of the gas outlets is larger than or equal to two, one gas driving unitis arranged at each gas outlet, and each gas driving unit is arranged in the gas channel. The supporting mechanism not only has a supporting function, but also can provide a negative pressure environment and a fresh air function for the folding ward.

The invention discloses a safe and convenient filtering and dosing infusion device. The safe and convenient filtering and dosing infusion device mainly includes a first dosing bag, a second dosing bag, a liquid mixing bag, an infusion tube and a syringe needle structure, wherein the upper and lower ends of the first dosing bag are respectively connected with a first liquid inlet tube and a first liquid outlet tube; the upper and lower ends of the second dosing bag are respectively connected with a second liquid inlet tube and a second liquid outlet tube; the first liquid outlet tube and the second liquid outlet tube are each provided with a liquid outlet tube switch; the lower end of the first liquid outlet tube intersects with the lower end of the second liquid outlet tube, and is connected to an liquid inlet of the liquid mixing bag; an liquid outlet of the liquid mixing bag is connected to the infusion tube; the tail end of the infusion tube is the syringe needle structure; the syringe needle structure includes a syringe needle, a syringe needle protective cap sleeving the outer side of the syringe needle, and a connecting piece which fixedly connects the syringe needle protective cap and the infusion tube; and on the infusion tube, a liquid medicine filter is arranged above the syringe needle structure within a small distance. The safe and convenient filtering and dosing infusion device is accurate and convenient for dosing, and can precisely filter the liquid medicine, and the syringe needle is not exposed after completion of infusion, thus causing no pollution and damage.

The invention provides a mold with an exhaust function. A mold core insert is arranged in the mold, the mold core insert is composed of a plurality of arranged exhaust inserts, one end of each exhaustinsert is in communication with the bottom surface of the mold, each exhaust insert is provided with an ejector pin position, a first exhaust groove and a second exhaust groove, the ends of the firstexhaust grooves communicate with the ejector pin positions, the first exhaust grooves communicate with the second exhaust grooves, and one end of each second exhaust groove is in communication with the bottom surface of the mold. According to the mold with the exhaust function, the characteristic parts which are not prone to exhaust in a mold cavity are divided into pieces of the exhaust inserts,after a deep cavity and the narrow part of gap are separated, so that the mold-saving polishing is facilitated, mold-casting production is facilitated, the exhaust insert structure is adopted, the peripheries of the exhaust inserts are subjected to a full circle of exhaust, the exhaust space is increased, the exhaust flow is increased, the exhaust efficiency is high, and the product casting quality is improved.

The invention discloses a sole and a shoe. The sole comprises a sole body; an exhaust channel is arranged in the sole body; the exhaust channel comprises a one-way channel and a plurality of air inlet channels; the one-way channel is of a Tesla valve structure, and the first end of the one-way channel extends to the side wall of the sole body and is provided with an exhaust opening formed in the side wall of the sole body. The direction of the one-way channel towards the exhaust port is a conducting direction; each air inlet channel is arranged along the conduction direction of the one-way channel, one end of each air inlet channel is opened on the upper surface of the sole body, and the other end is communicated with the one-way channel. The sole is good in air permeability, and the exhaust function is not prone to losing efficacy. The shoe comprises a vamp and the sole.