40results about How to "Realize air intake" patented technology

The invention belongs to the field of building processing, and particularly discloses processing equipment for an aluminum panel for a light-weight aluminum panel curtain wall. A working table is arranged on a rack; a fixing mechanism for fixing the aluminum panel is arranged on the working table; a polishing mechanism is arranged on the rack and comprises a sliding plate slidably connected onto the rack; an installation base is slidably connected onto the sliding plate; a rotary shaft is rotatably connected onto the installation base; a polishing roller is in spline connection onto the rotaryshaft; an installation plate is fixed to the end part of the rotary shaft; a pressure sensor is arranged on the surface of one side, close to the polishing mechanism, of the working table; a controller in signal connection with the pressure sensor is further arranged; the input end of the controller is used for receiving a pressure signal of the pressure sensor; and the output end of the controller controls the sliding speed of the installation base driven by a second drive piece and the sliding frequency of the polishing roller driven by a fourth drive piece. By adopting the scheme of the invention, the problem of lower manual polishing efficiency can be solved.

The invention belongs to the field of automobile parts processing, and particularly discloses an automobile casting grinding and polishing device. An oil coating part comprises a rotary shaft and a support rod; a driving gear is fixedly connected to the lower end of the rotary shaft; an inner gear ring meshing with the gear is slidably connected to the lower end of the support rod; an annular sponge layer is arranged on an outer wall of the inner gear ring; a first piston barrel with two sealed ends is fixedly connected to the lower end of the driving gear; a clamping part comprises push rodsslidably connected onto a rack; clamping claws are hinged to one ends, far away from the push rods, of connecting rods; a grinding part comprises annular air blowing covers arranged in the push rods;the lower ends of the air blowing covers are fixedly connected onto the rack; the grinding part further comprises a second piston barrel fixedly connected onto the rack; two ends of the second pistonbarrel are sealed; a second piston is slidably connected into the second piston barrel; a second piston rod is fixedly connected to the upper side of the second piston; and a second grinding head is arranged at the upper end of the second piston rod. By adopting the technical scheme provided by the invention, the problem that after casting burrs are roughly cleaned, iron scraps are further neededto be cleaned manually is solved.

The invention discloses a roller-type hydraulic rocking arm component. The structure is as follows: one end of a rocking arm is provided with a short shaft, a bearing is embedded outside the short shaft and into the roller, and the roller and a camshaft form a transmission pair; an oil duct is arranged in the rocking arm, the middle part of the rocking arm is provided with a rocking arm shaft, the other end of the rocking arm is provided with a plunger bushing, and a plunger, a check valve and a return spring are sequentially arranged in the plunger bushing; the upper end of the plunger bushing is provided with a plunger cover plate, and the plunger cover plate is provided with an oil return channel; and the plunger bushing is connected with a slider through a cutting sleeve, the slider closely contacts a valve bridge, and the valve bridge contacts a valve push rod mechanism. The invention is suitable for an overhead camshaft mechanism, and the structure is simplified since the valve support column, the push rod and other parts connected with the cam are reduced. The rocking arm forms a zero-clearance fit with the camshaft and the valve push rod, thereby lowering the noise. On the premise of enhancing the strength of the engine block, cylinder head and the like, the volume of the engine is reduced, so that the structure is more compact reasonable, and the economical efficiency and power performance of the engine are enhanced.

The invention relates to a variable volume trace gas sampling valve. A rotary inner core is sleeved in a fixed housing, a vertical rod is fixed on the center of the top surface of the rotary inner core through a screw thread, the vertical rod is fixedly provided with a handle, the rotary inner core can rotate 90DEG in the fixed housing through the handle, the side surface of the fixed housing, which is provided with ten holes, is composed of a six-hole structure and a four-hole structure which have corresponding positions, the side surface of the rotary inner core corresponding with the six-hole structure of the fixed housing is provided with two transverse bore structures and two vertical bore structures, and the side surface of the rotary inner core corresponding with the four-hole structure of the fixed housing is provided with three vertical bore structures. The gas sampling valve has two different connection states, and the opposite positions of the rotary inner core are utilized to realize the sample gas taking and inletting, so the trace gas sampling is realized. Different volume gas sampling amounts can be respectively realized through respectively using the six-hole part and the four-hole part of the sampling valve, and the sampling valve has the advantages of quantitative accuracy, simple structure and method, and good repeatability.

The invention discloses an industrial flue gas desulfurization and denitrification environment-friendly integrated tower which structurally comprises an output port, a guide pipe, a tower body and a motor, the output port is installed between the guide pipe and the tower body, the motor is arranged outside the tower body, and the motor is matched with the interior of the tower body in an electrical connection mode. Due to the fact that the height of the concentrator in the inlet pipeline is larger than that of the smoke outlet end of the concentrator, a blocking piece can be obliquely installed in the annular periphery of a sealing plate, the blocking piece can be matched with the buckle plate to effectively seal the concentrator, and air inlet and blocking of the inlet pipeline are achieved; since the inclination direction of a baffle faces the inner cavity of a diversion groove, the gas flow sequentially bypasses the baffle and the diversion groove, and the flow direction of the waste gas rises back to the inlet along the original path and is blocked by the guide plate, so that harmful gas in the tower is prevented from being discharged from the inlet pipeline and severely stagnated at the flue gas outlet.

The invention relates to a cycloid rotor engine, which consists of a plurality of casings arranged in parallel to form a stator assembly, and a cycloid mechanism arranged inside forms a rotor assembly. In the cycloid mechanism, an elliptic rotor is arranged in a round disc member with a triangular cavity, and when the elliptic rotor and the member with the triangular cavity rotate with the angular velocity of 3:2 by taking respective central point as the axis, capacities of three cylinders change periodically; and a rotor air channel as well as an upper casing and a lower casing form a ventilation channel, and ignition is realized by a casing spark plug or a thermal lag time coil on the rotor, thereby forming a four-stroke engine in continuous rotation without a linkage mechanism or a gear mechanism.

The invention belongs to the field of automobile part processing and particularly relates to a processing device for a slot in a shape of a Chinese character 'wang'. A disc is rotatably connected to arack, a slide plate is transversely and slidably connected to the upper end of the disc, limiting plates are fixedly connected to two ends of the slide plate, two wedged grooves are formed in each limiting plate, a first bevel gear is rotatably connected to the rack, and a push rod is transversely and slidably connected to the rack; a second bevel gear engaged to the first bevel gear is rotatablyconnected to the rack, the second bevel gear is coaxially and fixedly connected to a driving gear, and a first rack engaged to the driving gear is fixedly connected to the push rod; the first bevel gear is in threaded connection to a lead screw; a connecting rod is fixedly connected to the end, close to the disc, of the push rod, clamping jaws are symmetrically hinged to the connecting rod relative to the push rod, an outer gear ring is fixedly connected to the outer wall of the disc, and the end, far from the connecting rod, of each clamping jaw is fixedly connected to a second rack engagedto the outer gear ring. By adopting the scheme provided by the invention, the problem that a steel plate needs to be rotated in the processing course for the slot in the shape of the Chinese character'wang' is solved.

The invention relates to a rotary valve mechanism of an internal combustion engine, which is characterized in that a cylindrical and tubular air inlet (outlet) pipe is arranged on a cylinder cover at the upper part of a combustion chamber and is communicated with the combustion chamber, and a cylindrical and tubular intake (exhaust) valve is arranged in the air inlet (outlet) pipe and is closely attached with the combustion chamber on the cylinder cover so as to achieve the function of sealing an air cylinder; the valve is driven to rotate by a crank shaft through a sprocket wheel, and an opening is arranged at the corresponding part of the valve; when the valve needs to be opened, the opening is rotated to the position that the opening is be communicated with the combustion chamber, and the operations of air intake and exhaust are carried out between the air cylinder and the inner cavity of the valve through the opening; the valve which is arranged in the air inlet (outlet) pipe and is caused to come in contact with the combustion chamber during rotation is not provided with other holes, thereby causing the air to continuously and smoothly flow into (flow out from) the inner cavity of the valve through the air inlet (outlet) pipe and achieving the functions of air intake and exhaust of the mechanism. The rotary valve mechanism of the internal combustion engine has the advantages of smooth air intake and exhaust, high air exchange efficiency and low energy loss.

The invention discloses a cleaning structure of a drilling device and a cleaning method. The cleaning structure comprises a cleaning frame, a telescopic cylinder, a polishing component and a dust removal component, wherein the telescopic cylinder is embedded in one end of the cleaning frame; the polishing component is arranged at the acting end of the telescopic cylinder; and the dust removal component is arranged at the bottom of the other end of the cleaning frame. The polishing component is arranged, an extrusion air bag is arranged at the top end of a rotating column, an extrusion cylinderoperates, under cooperation of an extrusion plate, the extrusion air bag can be extruded, gas of the extrusion air bag is extruded into a telescopic air bag, and under cooperation of the telescopic air bag, and expansion of the bottom of the telescopic frame can be achieved to adapt to holes with different hole diameters; and under the cooperation of operation of a rotating motor, rotation of therotating column can be achieved, under the cooperation of rotation, polishing and cleaning of the hole wall can be achieved more comprehensively, the attachment degree is better, omission can be avoided, and cleaning is thorough.

The invention relates to a medical trachea interface and an installing method thereof. The medical trachea interface comprises an air inlet tube, an air outlet tube arranged outside the air inlet tube in a sleeving mode, a first module which is detachably arranged at one end of the air outlet tube and connected with the air inlet tube and can be designed modularly, and a second module which is detachably arranged at the other end of the air outlet tube and connected with the other end of the air inlet tube and can be designed modularly. The medical trachea interface can simultaneously achieve an air intake and air exhausting functions and is good in air impermeability. In addition, the modular design enables the medical trachea interface to be simple in structure, enables each module to be separately replaced and facilitates the configuration and deformation design of the medical trachea interface.

The invention discloses a heat dissipation oil storage bin of a hydraulic plate shearing machine, and relates to the technical field of plate shearing machine assemblies. The plate shearing device comprises a plate shearing machine, an oil storage bin is installed at the bottom of the plate shearing machine, the oil storage bin comprises a channel, fins and a sealing block, the channel comprises a pipe body, an oil inlet and an oil outlet, and the two ends of the pipe body communicate with the oil inlet and the oil outlet correspondingly; a sealing block is installed in the middle of the pipe body in a sealing mode, and the bottom face of the pipe body and an opening groove formed in the sealing block form an oil channel. Fins are installed on the outer sides of the sealing blocks, and air channels are formed between the inner sides of the fins and the outer side faces of the sealing blocks. External air flows through the air duct through the vent groove and exchanges heat with oil passing through the oil channel, so that hydraulic oil is cooled.

The invention discloses an axial-flow air inlet mechanism for a two-stroke engine. The axial-flow air inlet mechanism comprises a crankshaft and a shaft bushing, wherein relative motion exists between the crankshaft and the shaft bushing; the shaft bushing is provided with a through hole; the crankshaft is a hollow shaft; and a connecting hole is formed in a position, matched with the through hole of the shaft bushing, of the crankshaft, and an axial flow valve air inlet passage is formed in a manner that the through hole of the shaft bushing and a hollow part of the crankshaft are connected by the connecting hole. When the connecting hole of the crankshaft is communicated with the through hole of the shaft bushing, oil and air mixed gas charging is started so as to prepare to do work next time. According to the axial-flow air inlet mechanism for the two-stroke engine, axial flow valve air inlet can be realized.

The invention provides an intake and exhaust rotary valve of an internal combustion engine. The rotary valve comprises a valve cover, a valve body and a shaft, wherein the valve cover seals and coversthe valve body, a second through groove of the valve cover is matched with a first through groove of the valve body to form a shaft placing channel, the shaft is arranged in the shaft placing channelin a matched mode and can rotate, when the shaft rotates by a certain angle, two ends of an air inlet channel of the shaft are communicated with a second air inlet hole of the valve cover and a firstair inlet hole of the valve body in an aligned mode respectively, or two ends of an air outlet channel of the shaft are communicated with a second air outlet hole of the valve cover and a first air outlet hole of the valve body in an aligned mode respectively. The rotary valve is simple in structure and convenient to use, and air intake and air exhaust are conducted independently.

The invention relates to the technical field of outdoor equipment technologies, and particularly discloses a portable container capable of being repeatedly filled with compressed gas. The portable container comprises a bottle body and a bottle cap, wherein the bottle cap is provided with a communication hole, the communication hole is connected with a two-way valve for feeding in and discharging out oxygen, and the bottle cap, the bottle body and the two-way valve form a closed cavity. According to the scheme, oxygen filling is carried out on a vending machine through the two-way valve and thecommunication hole, the container can be repeatedly filled with the oxygen, and the problem that an oxygen bottle cannot be repeatedly used in the prior art is solved.

The invention discloses a pneumatic main cut-off change-over valve. The valve comprises a base, an air cylinder, an electromagnetic valve and a change-over valve body, the change-over valve body comprises a change-over valve main body, a top plate and a bottom plate, a main air inlet hole is formed in the top plate, an exhaust hole is formed in the side face of the change-over valve main body, and an electromagnetic valve air inlet, an electromagnetic valve air outlet and an air cylinder air inlet are formed in the change-over valve main body. A lifting valve, a valve rod, a spring, a sealing body and a change-over valve piston are arranged in the change-over valve body. The change-over valve body is assembled in a vacuum circuit breaker base and between the electromagnetic valve and a main air cylinder, the change-over valve body effectively connects a gas circuit between a circuit breaker electromagnetic valve and the main air cylinder, the valve between the electromagnetic valve and the change-over valve body is controlled through external power supply and power failure, and switching of the gas circuit in the change-over valve body is achieved. Therefore, air intake and air exhaust of high-pressure air in the main air cylinder are achieved, and closing and breaking operations of the circuit breaker are achieved. The change-over valve is simple and compact in overall structure, high in reliability and capable of being widely applied.

The invention relates to a hidden silent quick exhaust valve of a numerical control gang drill. The hidden silent quick exhaust valve comprises a valve body and a connector, the connector is providedwith an air inlet hole, an air outlet hole is formed in the valve body, the air inlet hole communicates with the air outlet hole, a ventilated air exhausting groove is formed in the valve body, the air outlet hole is formed in the ventilated air exhausting groove, an exhausting boss extending upwards is arranged in the ventilated air exhausting groove and is internally provided with an exhaustinghole communicating with the ventilated air exhausting groove, the exhausting hole extends outside the valve body, an air inlet groove is formed in the connector and communicates with the air inlet hole, and a guide locking gasket is sleeved with the air inlet groove. According to the hidden silent quick exhaust valve of the numerical control gang drill, air inlet and quick exhausting can be achieved without an electromagnetic valve, so that quick knife feeding cutting, quick knife retreating and high-speed high-efficiency cutting can be achieved through a gang drill main shaft, the productionand manufacturing cost is reduced, and the machining efficiency is improved by 2-3 times; and meanwhile, a buffer silencing mat is arranged, and therefore noise in the production process is greatly reduced.

The invention discloses an accurately-controlled air distribution tank device which comprises an air distribution tank, an air inlet part and an air outlet part. The air inlet part comprises an air inlet motor, an air inlet distribution disk, an air inlet bottom cap and an air inlet tank. The front end of the air distribution tank is positioned inside the air inlet tank. The air inlet bottom cap is fixed at the front end of the air distribution tank and is contacted with the air inlet distribution disk. The air inlet motor is connected with the air inlet distribution disk. The air outlet part comprises an air outlet motor, an air outlet distribution disk and an air outlet bottom cap, wherein the air outlet bottom cap is fixed at the rear end of the air distribution tank and is contacted with the air outlet distribution plate; and the air outlet motor is connected with the air outlet distribution disk. According to the invention, the air inlet motor/the air outlet motor drives the air inlet distribution disk/the air outlet distribution disk to rotate a fixed angle according to the set direction so as to change the relative position of the air inlet distribution disk and the air inlet bottom cap as well as the relative position of the air outlet distribution disk and the air outlet bottom cap. Thus, air inlet and air outlet are accurately controlled.

The invention discloses an automatic reversing valve which comprises a valve body, a sliding valve element, a shell I, a piston, an inching switch I, a spring, a cover plate, a shell II, an inching switch II, a conical connector and the like. The sliding valve element triggers the inching switches at the two ends, piston air inlet and exhaust are achieved, the sliding valve element is driven to reverse, executing mechanisms such as electromagnets, motors and pneumatic mechanisms are not needed, automatic reversing can be achieved, the structure is simple, and the reversing frequency can be adjusted in a self-adaptive mode according to the gas pressure.

The invention discloses a windshield wiper. The windshield wiper comprises a connecting rod, a driving device and a rain sweeping device, wherein the connecting rod is used for installing the drivingdevice and the rain sweeping device and is also used for driving the driving device and the rain sweeping device to move, the driving device is used for changing the rain sweeping area of the rain sweeping device, and meanwhile, an air bag is arranged in the adhesive tape, so that the state of the adhesive tape is switched between a transparent state and a black opaque state. According to the invention, the driving device is matched with the rain sweeping device,the rain sweeping area is increased, so that a driver can judge the condition in front more easily and more clearly, the driving safety in rain days is improved, by arranging an air bag, the rubber strip can achieve air intake and air exhaust according to the illumination intensity, so that the rubber strip is converted into a transparent state and a black non-transparent state, the visual photosensitive effect is enhanced, and the situation that the rubber strip emits light due to the influence of various light sources at night can be avoided.

The invention belongs to the technical field of utensils of air detectors, and particularly relates to a novel valve of an air detector. The novel valve of the air detector comprises a valve body; a cavity is arranged in the valve body, and a spring is fixed into the cavity; a valve channel which is communicated with the cavity is arranged at one end of the valve body, a valve stem is arranged in the valve channel, a gap is reserved between the valve stem and the valve channel, the front end of the valve stem extends into the cavity to be connected with the spring, a stopper capable of sealing the valve channel is arranged at the front end of the valve stem, and the rear end of the valve stem extends out of the valve body; and an air inlet which is communicated with the cavity is arranged on the upper portion of the valve body, and an air outlet which is communicated with the valve channel is arranged on the lower portion of the valve body. The novel valve has the advantage that an air inlet procedure and an air outlet procedure of the air detector are integrated, so that the integral air detector is simplified and is convenient to operate.