17results about How to "Improve air efficiency" patented technology

The utility model relates to the technical field of hair driers, in particular to a vertical hair drier which comprises a hair drier shell, a wind wheel assembly arranged in the hair drier shell and a base arranged at the bottom of the hair drier shell, and the wind wheel assembly comprises a wind wheel body and a first driving part used for driving the wind wheel body; a wind gathering piece connected with the inner wall of the blower shell is further arranged in the blower shell, the wind gathering piece is arranged on the outer side of the wind wheel body, the wind gathering piece comprises a first wind guide plate and a second wind guide plate which are arranged on the two sides of the wind wheel body, and a wind guide opening is formed between the first wind guide plate and the second wind guide plate; the blower shell is provided with an air inlet grid and an air outlet grid, and the air guide opening always corresponds to the position of the air outlet grid of the blower shell. According to the vertical hair drier, due to the arrangement of the wind gathering piece, airflow enters the wind wheel body and is blown out after being gathered by the wind gathering piece, and the wind gathering effect of the vertical hair drier is effectively improved.

The utility model discloses an air purifier belongs to air purification equipment technical field. It includes: air inlet pipe and air outlet pipe, both upside down and connect, and both the top surface, bottom surface of air purifier structure formed after connecting are closed surface, the top surface of air outlet pipe is provided with the communicating port, and the inner chamber of air inlet pipe is communicated with the air outlet pipe through the communicating port, the circumferential side wall of air inlet pipe is provided with a plurality of air inlet face, and every air inlet face is provided with air inlet, the air outlet face is formed on the opposite setting two sides of air outlet pipe respectively, and every air outlet face is provided with air outlet, the filter screen is set in air inlet pipe and covers in communicating port. Set up air inlet and air outlet on every side wall of air inlet pipe and air outlet pipe respectively, can handle the air in larger range fast, realizes the uniform suction and high -efficient discharge of air, effectively promotes the air circulation times in unit time, thereby significantly enhances purification efficiency.

The utility model relates to an air conditioner. The air conditioner comprises a machine body, an air duct assembly and a fan assembly. The air duct assembly and the fan assembly are respectively arranged in the machine body; the air duct assembly is arranged at the upper end of the fan assembly; an air outlet component is arranged at the top of the machine body; the air outlet component communicates with the air duct assembly to form an air duct. According to the air conditioner, the airflow formed by the fan assembly can upwards enter the air duct along the air duct assembly and is directly blown out through the air outlet in the air outlet component, in this way, the air outlet efficiency can be effectively improved, a user can more visually feel the air blowing effect, and the user experience feeling is improved.

This utility model relates to a curling comb with airflow and plasma, comprising a handle and a combing head assembly. A fan is installed inside the handle. The combing head assembly includes an outer tube, an inner tube, a front cover plate, and a rear cover plate. The outer tube is connected to the front and rear cover plates at both ends, and has several air outlets. The inner tube is fixedly disposed between the front and rear cover plates within the outer tube, forming an airflow channel communicating with the air outlets. The rear cover plate is fixedly connected to the front end of the handle and has several ventilation openings connecting the airflow channel to the inner cavity of the handle. Several comb teeth on the inner tube extend through the air outlets. This curling comb with airflow and plasma can more comprehensively cover the hair stuck between the comb teeth, achieving better hair drying results during combing.

This utility model relates to the field of bladeless fan technology, specifically disclosing a centrifugal fan and a bladeless fan, including a volute with an air inlet and an air outlet. An impeller is installed inside the volute, and the impeller is connected to a drive component for driving the impeller to rotate. A semi-enclosed volute tongue structure is provided inside the volute near the air outlet, and a sound-absorbing chamber is formed within the volute tongue structure. A sound-absorbing component is installed in the sound-absorbing chamber. Multiple through holes are formed on the wall of the volute tongue structure near the impeller to make the volute tongue structure semi-enclosed. This allows the aerodynamic noise generated by the airflow and the mechanical noise generated by the impeller rotation to be efficiently concentrated and drawn into the sound-absorbing component through the through holes when the centrifugal fan of the bladeless fan is working, thereby improving the sound absorption and noise reduction effect and improving the user's sleep quality or user experience.

The utility model discloses an air duct structure of a window cleaning machine, which comprises a protective cover, the inner wall of the rear side of the protective cover is connected with a main pipe body through a bolt, the left side of the main pipe body is closed, the rear side of the main pipe body close to the bottom is communicated and connected with an adsorption pipe, and the rear end of the adsorption pipe is connected to the inner wall of the rear side of the protective cover through a bolt. The positions, close to the top and the bottom, of the right side of the main pipe body communicate with air outlet pipes correspondingly, the ends, away from the main pipe body, of the two air outlet pipes are connected to the bottom and the bottom of the inner cavity of the protective cover through bolts, and the ends, away from the main pipe body, of the air outlet pipes communicate with the outside of the protective cover. According to the technical scheme, the main pipe body, the two air outlet pipes, the grating and other parts are matched with one another, so that air can be discharged from the two sides, the situation that air can only be discharged from one side of the anti-collision wheel due to bending arrangement can be effectively avoided, the air outlet efficiency and suction force are improved, effective adsorption can be conducted, and the service life of the anti-collision wheel is prolonged. The adsorption efficiency and the use efficiency are improved.

The utility model discloses a jet type air conditioner noise reduction structure, which relates to the technical field of air conditioners and comprises an air conditioner body, a mounting frame is fixedly connected to one side of the air conditioner body, a fixing component is arranged between the mounting frame and the air conditioner body, and a sound insulation air outlet box is mounted on the mounting frame. By the adoption of the structure, airflow generated by an air conditioner enters the sound insulation air outlet box, the silencer can absorb and reflect part of sound waves, and therefore noise transmission is reduced, the airflow obtained after noise reduction passes through the jet flow barrel, the design of the jet flow barrel is beneficial to optimizing the flowing path of the airflow and reducing formation of vortexes, and therefore the air outlet efficiency is improved, and the noise reduction effect is improved. According to the air conditioner air outlet, airflow enters the grating plate area, the grating plate is composed of a plurality of small holes or gaps and used for further dispersing and slowing down the airflow speed and reducing direct friction between the airflow and an air opening material, so that noise is reduced, the airflow noise of the air conditioner air outlet can be remarkably reduced, the comfort degree of a user is improved, and interference to the surrounding environment is reduced.

The application discloses a centrifugal fan air outlet structure, a fan applying the same and a combined fan, and belongs to the technical field of centrifugal fans. The centrifugal fan air outlet structure comprises an outer shell plate, an air outlet and an air inlet. The air inlet is arranged on one side wall of the outer shell plate. The other side of the outer shell plate is open to form an opening. The air outlet is arranged on one end of the outer shell plate. The centrifugal fan air outlet structure further comprises a wind guide part. The wind guide part is arranged on the upper edge of the outer shell plate connected with the air outlet. When viewed along the air outlet direction of the air outlet, the included angle between the inner side of the wind guide part facing the inner cavity and the horizontal plane is B, and 0° < B ≤ 15°. The flow rate difference of the air inlet is adjusted through the inclination angle of the wind guide part, so that the airflow turbulence at the outlet is reduced, the noise of the fan is reduced, and low-pressure surge is eliminated.

The utility model discloses a vacuum cleaner, a cleaning device and a vacuum cleaner system, the vacuum cleaner is used for filtering airflow, the vacuum cleaner comprises a dust cup, the dust cup is provided with an air inlet, an air outlet and a dust cup opening, the airflow enters the dust cup through the air inlet and is discharged through the air outlet, and the dust cup opening is provided with a dust cup cover which can be opened and closed; the filtering assembly is arranged in the dust cup, the filtering assembly comprises a first-stage cyclone filter and a second-stage cyclone filter located at the downstream of the first-stage cyclone filter, and the second-stage cyclone filter is configured to filter airflow filtered by the first-stage cyclone filter; wherein the vacuum cleaner has a working state when the dust cup cover is closed and a cleaning state when the dust cup cover is opened; and in the working state, the primary cyclone filter can rotate relative to the secondary cyclone filter.

This application belongs to the technical field of air extraction equipment, specifically an electric air extraction pump, including a main unit and an impeller. The end of the main unit has an air inlet structure that connects to the air inlet channel. The impeller includes a shaft and multiple blades arranged around the shaft. The root end face of each blade has a recessed portion extending from the air inlet side of the impeller to the air outlet side, so that a recessed area is formed around the periphery of the shaft on the air inlet side of the impeller. By setting the recessed portion at the root of the blade, the recessed portions of each blade are combined to form an annular recessed area on the air inlet side of the impeller near the shaft. Therefore, when the impeller rotates, the air inlet space can be expanded, the air volume can be increased, and the extraction efficiency can be improved. By setting the recessed portion at the root of the blade near the shaft, the flow space can be expanded directly in the initial area where the airflow enters, avoiding the obstruction of the airflow by the blade root, allowing the air to flow more smoothly to the center of the impeller and reducing flow resistance.

The utility model relates to the technical field of fans, in particular to a refrigeration fan. A shell of the refrigeration fan comprises a front shell body and a rear shell body which are oppositely arranged, one end of the front shell body is provided with an installation part and a plurality of grid bars arranged around the installation part at intervals, an air outlet is formed between every two adjacent grid bars, the ends, connected with the installation part, of the grid bars are concavely provided with containing grooves towards the rear shell body, and a fan assembly is arranged on the side, facing the installation part, of the rear shell body so as to blow air towards the air outlets. The refrigeration sheet is arranged in the mounting part and comprises a heat dissipation surface facing the fan assembly and a refrigeration surface opposite to the fan assembly, the heat dissipation sheet comprises a main body part and a plurality of fins arranged around the main body part at intervals, and the main body part is arranged on the side, facing the fan assembly, of the mounting part so as to absorb heat of the heat dissipation surface; and the plurality of fins are respectively and correspondingly accommodated in the accommodating grooves of the plurality of grids. Due to the fact that the fins are correspondingly contained in the containing grooves of the grid bars, the fins can be embedded in the grid bars in an attached mode and are flush with the edges of the grid bars, the fins are prevented from disturbing air outlet, and the heat dissipation effect and the refrigeration effect are improved.

The utility model relates to a kind of detachable mounting structure of bladeless fan air duct and pedestal, using the mechanical connection of "connecting sink groove+installation ring+rotary clamping", with the electric conduction cooperation of "first electric connecting piece+second electric connecting piece", reliable detachable connection of the air duct assembly with pedestal with electronic equipment is realized.Dismantling, installation ring is inserted into rotation, i.e. Mechanical locking, electric connecting piece automatic docking;Reverse rotation can be separated, without special tool, solve traditional air duct with electronic equipment difficult to dismantle problem, improve use flexibility and maintenance convenience.Connection sink groove and installation ring cooperation ensure the coaxiality and the degree of fit of docking, reduce gap, improve air outlet efficiency.No need complex bolt assembly, reduce the number of parts, simplify production assembly, reduce manufacturing cost;Detachable structure is also convenient for transportation storage, reduce transportation damage and cost, realize production end and use end cost double optimization.

The utility model discloses a safe energy-saving fan, which belongs to the technical field of fans and comprises a base, a rotary swing seat is arranged at the top end of the base, front covers are rotatably connected to the inner walls of the two sides of the top of the rotary swing seat through rotary damping shafts, and a rear cover is fixedly connected to one side of each front cover. A fixing base is installed in the front cover, a mounting base is installed in the fixing base, a driving motor can be arranged in the front, fan blades can be arranged in the rear, after the fan blades rotate, air can be sucked in from an air inlet grille of the rear cover, then air is discharged in an extrusion mode through a plurality of air channels formed between the outer side of the mounting base and the inner side wall of the fixing base, and air loss and energy consumption are effectively reduced; the air outlet efficiency is greatly improved, meanwhile, the fan blades are arranged at the rear portion, the use safety performance can be improved, and the situation that small objects such as fingers of children and toys enter the rotating blade area by mistake, and consequently clamping injuries or other accidental injuries are caused is avoided.

The utility model discloses an air port bottom box capable of discharging air evenly, and belongs to the technical field of fresh air systems. The air port bottom box comprises an air bellow, an air outlet is formed in the bottom of the air bellow, and an air valve connector is fixedly installed at the rear end of the air bellow; the fixing buckles penetrate through the through holes to be slidably inserted into the fixing bases, the elastic clamping pieces are extruded to deform, after the barbs slide to the clamping grooves along the inner walls of the inserting grooves, the barbs are driven by elastic restoring force to be embedded into the grooves to form mechanical interlocking, and then the flow stabilizing plate can be fixedly installed in an air bellow; the vertically-arranged steady flow plate divides airflow through evenly-distributed ventilation holes, the laminar flow effect is formed, uniform diffusion of the airflow is achieved, the uniformity of air outlet is guaranteed, a quick disassembly structure composed of an elastic clamping piece and a barb is matched with a clamping groove and used for achieving quick installation or disassembly of the steady flow plate, the steady flow plate is convenient to replace in time for maintenance and cleaning, and the service life of the steady flow plate is prolonged. And the smoothness and cleanliness of the internal flowing environment are kept, and the air outlet efficiency can be improved.

The application discloses a patio machine, which comprises a main body frame, an air outlet assembly, a lifting mechanism and a guide vane, and an air outlet air duct is formed in the main body frame; the air outlet assembly is connected to the main body frame through the lifting mechanism, a first air outlet is formed between the air outlet assembly and the main body frame through lowering, the main body frame has a first wind blocking part, the air outlet assembly has a second wind blocking part, the first wind blocking part and the second wind blocking part cooperate to cut off a return air outlet and the first air outlet when the air outlet assembly is lowered to a working position, the guide vane is located in the air outlet air duct, a first end of the guide vane is swingably arranged on the main body frame, a second end of the guide vane is overlapped on the second wind blocking part when the air outlet assembly is lowered to the working position, and the guide vane is used for guiding air outlet to the first air outlet. The patio machine of the application blocks the irregular structure inside the air duct through the guide vane, so that the air outlet efficiency is higher, and the air volume loss is reduced.

This invention provides a pet drying box air outlet structure and a pet drying box itself. The pet drying box air outlet structure includes a drying box body, a volute fan, and a heating structure. The drying box body is provided with a hot air outlet chamber, a guide chamber, and a pet holding chamber connected in sequence. The volute fan and the heating structure are both installed in the hot air outlet chamber, with the heating structure installed downstream of the volute fan. The guide chamber and the hot air outlet chamber are connected by a ventilation plate. After the volute fan generates air, the heating structure raises the air temperature to form hot air. The hot air enters the guide chamber through the ventilation plate and, guided by the guide plate, flows to the pet holding chamber to dry the pet. This invention, through the design of hot air sequentially passing through the hot air outlet chamber, the guide chamber, and the pet holding chamber, forms a complete air outlet path. Combined with the guiding effect of the guide plate, the raised bottom of the air outlet plate, and the concave design of the air outlet, the invention achieves a uniform air outlet effect in the pet drying box.

The utility model discloses a kind of air purifier combination structure, belong to air purification equipment technical field.It includes first air purifier and second air purifier, respectively by first air inlet cylinder and first air outlet cylinder, second air inlet cylinder and second air outlet cylinder along axial butt joint composition;When stacking in the same direction, first air inlet cylinder is connected with second air outlet cylinder, and the first connecting structure and the second connecting structure formed on the connecting surface of both are formed circumferential constraint cooperation, and second roller can be stored into accommodating groove;When stacking reversely, first air inlet cylinder is connected with second air inlet cylinder, and also through the first connecting structure and the second connecting structure form circumferential constraint cooperation.By the cooperation between the first connecting structure and the second connecting structure, two air purifiers can be coaxially stacked, and in stacked state, the displacement of the air purifier located in the upper horizontal direction is effectively constrained, and the design is particularly suitable for application scenarios requiring multiple units to work together, improving space utilization efficiency.