16results about How to "Improve suction effect" patented technology

The invention provides a fan and electric equipment, and belongs to the field of fans. The fan comprises a centrifugal impeller, an air inlet cover, an axial flow impeller and a fluid director. The air inlet cover is arranged on the outer side of the centrifugal impeller in a covering mode and provided with an air inlet located in the upstream of the centrifugal impeller and an air channel communicated with the air inlet and used for guiding airflow to be exhausted in the axial direction of the draught fan. The axial flow impeller is arranged at the downstream of the air duct and is used for doing work on air flow exhausted by the air duct; the fluid director is arranged on the downstream portion of the axial flow impeller and used for guiding airflow exhausted from the axial flow impeller to flow in the axial direction of the draught fan. Compared with a single-stage acting structure, the fan and the electric equipment provided by the invention are more beneficial to improving the overall pressure rise and suction capacity and reducing noise, so that airflow is stably output in the axial direction, and the quality of an airflow outlet flow field and the energy utilization efficiency are improved.

The present application relates to the technical fields of chemical filling, in particular to a clean automatic filling gun and gun seat for barrel-packed wet electronic chemicals, which comprises a filling gun and a gun seat used for clamping and fixing the filling gun, a movable arm with telescopic function is arranged on the side wall of the gun seat, a driving mechanism used for driving the whole movable arm to move is arranged on the gun seat, a female clamping seat is arranged at the end of the movable arm away from the gun seat, the filling gun is clamped and fixed with the female clamping seat, a gas baffle used for blocking the diffusion of corrosive tail gas is arranged on the female clamping seat, the movable arm is hollow and communicates with the gas baffle, and a communication structure used for communicating the movable arm with an external air extraction and exhaust system is arranged on the gun seat. The present application has the effect of improving the air extraction effect of corrosive tail gas generated in the process of filling wet electronic chemicals, thereby improving the safety in the process of filling wet electronic chemicals.

The utility model discloses a kind of range hood, including shell, exhaust device and oil cup;Shell has suction panel and the smoke collection cavity located in the inboard of suction panel, and suction panel has smoke collection cavity, first air inlet is equipped in smoke collection cavity, and first air inlet is communicated with smoke collection cavity;Exhaust device suction oil fume through first air inlet, and exhaust oil fume from smoke collection cavity;Oil cup is connected on shell, for receiving the oil liquid discharged by smoke collection cavity.This utility model's range hood, open smoke collection cavity on suction panel, first air inlet is arranged in smoke collection cavity, and oil fume towards suction panel will first enter smoke collection cavity, then flow into first air inlet, smoke collection cavity can play the effect of flow collection to oil fume, prevent oil fume from easily escaping from the area near first air inlet, to increase the residence time of oil fume near first air inlet, so that oil fume can be more fully sucked into first air inlet, to improve the suction effect of range hood to oil fume.

The invention belongs to the technical field of household appliances, and discloses a middle island type range hood. The island type range hood comprises a main box mechanism, an exhaust fume collecting hood and a lifting mechanism, the exhaust fume collecting hood is located below the main box mechanism and communicated with the main box mechanism, the lifting mechanism is connected with the main box mechanism and the exhaust fume collecting hood, and the lifting mechanism is used for driving the exhaust fume collecting hood to ascend and descend; the exhaust fume collecting hood comprises a hood body, a turning plate driving assembly and two turning plates, and a fume inlet is formed in the bottom surface of the hood body; the two opposite sides, in the first horizontal direction, of the cover body are rotationally connected with the turning plates. The turning plate driving assembly is connected with the turning plate, and the turning plate driving assembly is used for driving the turning plate to rotate, so that the turning plate can be switched between a first position for shielding the smoke inlet and a second position for turning towards the outer side of the cover body to open the smoke inlet. According to the island type range hood, a smoke gathering area can be defined by arranging the turning plates, oil smoke escape is reduced, and the smoke exhaust effect is improved.

The utility model discloses a composite wallboard production and processing device relates to composite wallboard production and processing technical field. The device includes the organism, and one side of organism is provided with cutting knife, and the outer surface of cutting knife is provided with the protective housing, and the inside of protective housing is provided with adjustable unit, and the sliding block sliding connection in adjustable unit is in the inside of connecting block, and the bottom of sliding block is with composite board material and is resisted, and suction member sets up on connecting block. The device is through setting adjustable unit, and the sliding block can be automatically adjusted position according to the thickness of composite board material, and fills the gap between composite board material and cutting knife, so that suction member and cutting area can form relatively sealed space, effectively avoid dust from the crack and escape, improve the suction effect of the dust produced in the cutting process, improve the production environment, and guarantee the health of the operator.

The utility model discloses a range hood which comprises a range hood body, the range hood body is provided with a top plate, the top plate is arranged in the front-back direction, and the top plate is provided with a first exhaust inlet, a second exhaust inlet and a third exhaust inlet. The first exhaust inlet, the second exhaust inlet and the third exhaust inlet are all communicated with a smoke collecting cavity of the range hood main body; when the range hood works, the first exhaust inlet, the second exhaust inlet, the third exhaust inlet and the fourth exhaust inlet can generate negative pressure, and the first exhaust inlet, the second exhaust inlet and the third exhaust inlet are closer to a kitchen range, so that oil smoke flowing through the range hood main body can be fully sucked into the smoke collecting cavity, oil smoke escape is reduced, and the service life of the range hood is prolonged. The oil smoke suction effect of the range hood is improved, and the user experience is improved.

The utility model discloses a half bridge type scrape suction mud machine equipped with centrifugal blower, this scrape suction mud machine includes the center support, and the center support top is provided with the bridge frame of horizontal, and the bridge frame end is provided with the drive mechanism, and sets up the rest grid strip combination under the bridge frame, and is provided with a plurality of suction mechanism on the rest grid strip combination, and a plurality of suction mechanism are arranged along the length direction of bridge frame and are connected on the mud discharge pipe, and the mud discharge pipe is connected with the suction device, and the scrape suction mud machine still includes centrifugal blower, and centrifugal blower sends high pressure gas into the suction port place of each suction mechanism through the air pipe, and the bottom of suction mechanism is provided with the inclined bracket plate, and the bracket plate pushes the sludge to the center support direction movement, and the suction port place of the sludge of closer center support, and the more compressed air of inhaled, and the high pressure air is inhaled through centrifugal blower at the suction port of scrape suction mud machine, makes it spouts the sludge, improves the mud water separation effect, and is convenient for scrape suction mud machine suction.

This application discloses a control method for a surface cleaning device. The surface cleaning device includes a floor brush with cleaning components and a suction system for removing dirt. The floor brush includes a housing, on which are a movable front scraper located in front of the cleaning components and a floor scraper located behind the cleaning components and in contact with the ground. When the floor brush moves forward, the front scraper moves upward away from the ground; when the floor brush moves backward, the front scraper moves downward and in contact with the ground. The method includes reducing the operating power of the suction system when the floor brush moves backward. In this application, when the floor brush moves backward, the front scraper contacts the ground, and together with the floor scraper in contact with the ground, the brush chamber and the ground form a relatively sealed space. Under the action of the front scraper, the floor scraper, and the suction airflow of the suction system, the resistance of the floor brush to the ground increases. At this time, reducing the operating power of the suction system can ensure the dirt removal effect of the surface cleaning device and reduce the operating resistance of the floor brush to the ground, thus ensuring the cleaning effect.

A hemp powder cake green skin removing production line, comprising a feeding hopper, a vibrating feeder, a Z-type elevator and a vibrating material distributing screen arranged in sequence, the vibrating feeder being arranged between the outlet of the lower end of the feeding hopper and the Z-type elevator; a buffer hopper and a scattering machine arranged in an up-down manner are installed at the outlet end of the Z-type elevator through a support frame, the discharge port of the lower end of the buffer hopper corresponding to the feeding port of the upper end of the scattering machine, the discharge port of the lower end of the scattering machine corresponding to the feeding port of the upper end of the vibrating material distributing screen, the vibrating material distributing screen being used for fully dispersing the material; a skin suction air chamber is arranged at the discharge end of the vibrating material distributing screen, the lower end of the skin suction air chamber being provided with a discharge port, the upper end of the skin suction air chamber being provided with a suction port, and a skin suction settler is arranged at one side of the skin suction air chamber, the feeding port of the skin suction settler being communicated with the suction port. The production line can reduce the number of crushing and grinding times in the processing of hemp seed protein powder, reduce the energy consumption of the equipment, and improve the yield of hemp seed protein powder.

The invention discloses a breathing air device for a car type seat, the car type seat and a car, and relates to the technical field of car seat ventilation, the breathing air device for the car type seat comprises a fan, a lower shell, an inner shell, an upper shell and a valve assembly, and the fan is used for providing power for air flowing; the inner shell is buckled on the inner side of the lower shell, a containing cavity is defined by the inner shell and the lower shell, the fan is arranged in the containing cavity, the containing cavity is provided with an air outlet and an air inlet, the air outlet is formed in the circumferential direction of the fan, and the air inlet is formed in the position, at one axial end of the fan, of the inner shell; the upper shell is buckled on the lower shell, the inner shell is located between the upper shell and the lower shell, and an air inlet duct and an air outlet duct which are separated from each other are arranged between the upper shell and the lower shell; the valve assembly is configured to close the outer air suction opening and the inner air blowing opening while opening the inner air suction opening and the outer air blowing opening and close the inner air suction opening and the outer air blowing opening while opening the outer air suction opening and the inner air blowing opening. According to the invention, different preference requirements of drivers or passengers on the ventilation system can be met.

The utility model provides a kind of condenser rubber ball cleaning device, including condenser, circulating water outlet pipeline, ball collecting net, collector, rubber ball pump, ball loading chamber, circulating water inlet pipeline;The circulating water outlet pipeline is connected to condenser, and ball collecting net is arranged in circulating water outlet pipeline;The outlet end of ball collecting net is connected with rubber ball pump;The other end of rubber ball pump is connected with ball loading chamber;The other end of ball loading chamber is connected with circulating water inlet pipeline, and the circulating water inlet pipeline is connected to condenser, the device is not prone to ball blockage, improves rubber ball recovery rate, to improve condenser cooling tube cleaning effect.

The utility model relates to an efficient coating dynamic and static pressure chamber which comprises a base, a shell fixed to the upper end of the base, a flow equalizing mechanism installed in the shell, a fan installed on the side face of the shell and a controller fixed to the side face of the shell. By means of the specially related flow equalizing mechanism, fluid momentum in a high-speed area can be transmitted to a low-speed area through a hole or a flow guide structure, a more uniform velocity field is formed by mixing high-speed jet flow with surrounding low-speed fluid, airflow entering the shell is more uniform, meanwhile, part of airflow is led out from the flow equalizing mechanism, and the flow equalizing efficiency is improved. And low-pressure areas are formed on the two sides of the base, so that internal air is sucked, the air moves towards the two sides, the number of paint repeatedly falling onto a workpiece during paint spraying is reduced, and the paint spraying uniformity is improved.

The invention discloses a center transmission single-pipe suction dredger which comprises a main body, a sludge suction pipe is rotatably arranged on one side of the bottom of the main body, the center transmission single-pipe suction dredger further comprises a sludge suction port, a pressure detection assembly and an adjusting plate, the sludge suction port is formed in the sludge suction pipe, the pressure detection assembly is arranged in the sludge suction port, and the adjusting plate is rotatably arranged at a pipe opening of the sludge suction port. The opening size of the mud suction port pipe orifice is adjusted; the flow guide plate is movably arranged on the sludge suction pipe, a driving assembly for driving the flow guide plate to move is arranged at the end of the sludge suction pipe, according to the center transmission single-pipe sludge suction machine, the pressure at the sludge suction opening can be reflected through the pressure detection assembly, and then the size of the sludge suction opening is controlled through movement of the adjusting plate; furthermore, the opening degree of the sludge suction port can be adjusted according to the precipitation amount of the sludge, the optimal sludge suction effect is achieved, and when the sludge is more, the sludge can be layered when the guide plate moves on the sludge suction pipe, so that the sludge suction port is prevented from being blocked by excessive sludge.

The utility model provides a kind of laser processing and the integrated composite manufacturing device of micro straight writing, it is related to electronic manufacturing technology field, including rack, multi-axis movement component, workstation, laser light path component, micro straight writing component and heating station;Rack includes platform and two stand columns;Multi-axis movement component includes X-axis movement unit, Y-axis movement unit, Z-axis movement unit, rotating unit and cantilever beam, Z-axis movement unit is connected with cantilever beam;Rotating unit is installed on Y-axis movement unit, workstation is connected with rotating unit;Laser is installed on cantilever beam top surface;Micro straight writing component includes support, micro pen head and storage tube, support is installed on cantilever beam, micro pen head and storage tube are interconnected;Heating station is set on workstation.By laser light path component, micro straight writing component, heating station integrated design, workpiece only needs once clamping and positioning, can realize multi-process time-sharing processing, avoid workpiece repeated clamping and positioning, can improve manufacturing efficiency and precision.

The utility model discloses a kind of gas-liquid mixed transmission synchronous self-priming pump structure, belong to self-priming pump technical field, comprising: centrifugal pump, its front end is provided with siphon tank, several steady flow baffle are provided in the siphon tank, exhaust port and water filling port are provided on the siphon tank, the siphon tank bottom is provided with drainage tube, liquid discharge pipe and liquid delivery pipe, the liquid delivery pipe is connected in the centrifugal pump water inlet;And gas-liquid separation chamber, it is connected at the centrifugal pump outlet.The utility model is by being provided with siphon tank, so that every time before starting does not need special water diversion operation, and also can achieve pump and simultaneously realize to send medium, ordinary self-priming pump after starting pump can only empty air and not self-priming time of water.