95results about How to "Increase the blowing area" patented technology

The invention discloses a communication power supply cabinet with uniform heat dissipation, which includes a housing. A first mesh sheet is fixedly mounted inside the housing and divides the housing into a storage bin and a fan bin; two power motors are fixedly connected to the inside of a top plate of the fan bin; sprocket wheels are fixedly connected to the output shafts of the power motors; a chain sleeves the outer sides of the sprocket wheels; a trapezoidal slider is fixedly connected at the bottom of the chain; a fixing frame is slidably connected to the bottom of the trapezoidal slider;a motor base is fixedly connected to the bottom of the fixing frame; a fan motor is installed at the bottom of the motor base; fan blades are fixedly connected to the output shaft of the fan motor. When the power motors are controlled to rotate, the chain is driven to rotate on the two sprocket wheels and the fan structure fixedly connected to the chain reciprocates left and right in the fan binso as to carry out omni-directional air blowing and heat dissipation to the storage bin. The device structure is arranged in the housing body to avoid damage caused by external factors, so that the service life of parts and components is prolonged; the communication power supply cabinet has large air blowing area and uniform heat dissipation and meets the service requirements.

The invention belongs to the technical field of stepping motors, and particularly relates to a radiation-resistant and high-temperature-resistant stepping motor. In response to the problem that the existing stepping motor has a large amount of heat and is more likely to be interfered by external signals during use, the following scheme is proposed: the stepping motor comprises a motor body, the outer side of the motor body is hermetically and fixedly sleeved with a radiation-proof casing, a fixed box is arranged below the radiation-proof casing, one side of the motor body is fixedly connectedwith a first cooling fin, one side of the first cooling fin is fixedly connected with a plurality of heat conducting rods, the same second cooling fin is fixedly installed on one sides of the plurality of heat conducting rods, and a condensation pipe is arranged on the outer side of the second cooling fin in a winding mode. According to the invention, the structure is simple, the radiation resistance and the high temperature resistance of the stepping motor body are effectively improved, the manufacturing structure is simple, the production cost is low, the service life of the stepping motor body is effectively prolonged, and the stepping motor has a relatively strong and wide market popularization prospect.

The invention discloses wild pepper seed selection, degreasing and drying integrated equipment which comprises a workbench, a cleaning mechanism and a drying box. A spiral conveying mechanism is arranged on the side, close to the drying box, of the cleaning mechanism, and a belt conveying mechanism capable of conveniently conveying materials to the drying box is arranged at the lower end of an outlet of the spiral conveying mechanism. The cleaning mechanism comprises a cleaning barrel, a stirring structure and a first motor. The spiral conveying mechanism comprises a conveying barrel, a conveying screw and a second motor. The drying box comprises a box body, a heating mechanism and a vibration mechanism. In the wild pepper seed selection, degreasing and drying integrated equipment, under the action of the cleaning mechanism, an external power source of the first motor is turned on, the first motor drives a stirring paddle to rotate, water containing soda can be mixed evenly, and falling of grease on the surfaces of wild pepper seeds can be accelerated; an external power source of the second motor is turned on, the conveying screw is driven to rotate, the conveying screw cooperateswith the conveying barrel, and therefore cleaned seeds in the cleaning barrel can be sucked onto the conveying belt; and cleaning liquid can be drained by a water outlet valve, and seeds and cleaningliquid can be added through a feeding opening.

The invention discloses a notebook computer radiator with a lifting function. The device comprises a lifting frame, a first fan, a second fan, a third fan, a grating plate and bottom feet, a screw rodis arranged in the lifting frame; a motor is fixedly connected to the outer wall of the right side of the lifting frame; the right end of the screw rod is sleeved with a left bevel gear and a right bevel gear, the shaft extension end of the motor is sleeved with a half-bevel gear, the half-bevel gear is intermittently meshed with the left bevel gear and the right bevel gear, the lead screw is sleeved with a first sliding block, a second sliding block and a third sliding block, the first fan is installed on the upper surface of the first sliding block, the second fan is installed on the uppersurface of the second sliding block, and the third fan is installed on the upper surface of the third sliding block. A bottom frame is arranged below the lifting frame, the second sliding block, the second fan and the third fan synchronously move left and right while heat dissipation is conducted, the air blowing area is enlarged, the heat dissipation effect is greatly improved, and the height ofthe lifting frame can be adjusted according to the requirements of people so as to adapt to different use requirements.

The invention discloses a computer mainboard heat dissipation device which comprises a bearing base, a heat dissipation fan rotationally arranged on the bearing base and used for providing air flow for a mainboard and a fan reset mechanism used for controlling the heat dissipation fan to reset, and the heat dissipation fan comprises a driving motor rotationally connected with the bearing base andfan blades arranged on the driving motor. According to the computer mainboard heat dissipation device, the heat dissipation effect of a computer mainboard can be improved, the heat dissipation fan isarranged to be rotatable, the air blowing area of the heat dissipation fan is increased, and the heat dissipation efficiency of the mainboard is improved.

The invention relates to a steam soot blower, in particular to a steam soot blower of a novel multifunctional blowing tube. The steam soot blower of the novel multifunctional blowing tube is characterized in that the steam soot blower of the novel multifunctional blowing tube comprises the blowing tube, a fluid switch control unit, an angle adjusting device and a blowing tube nozzle assembly. Two parallel conveying tubes are wrapped by the blowing tube, wherein the two parallel conveying tubes are a steam conveying tube and a high-temperature water conveying tube. The fluid switch control unit comprises a power source, a steam switch solenoid valve, a high-temperature water switch solenoid valve, a first switch, a second switch and a third switch. The angle adjusting device comprises a metal bellows assembly and an adjusting support assembly, wherein the metal bellows assembly comprises a metal bellows I mounted on the blowing tube, a metal bellows II mounted on the steam conveying tube and a metal bellows III mounted on the high-temperature water conveying tube, and the adjusting support comprises a fixed assembly and an adjusting assembly. The blowing tube nozzle assembly comprises a steam blowing tube nozzle, a combined blowing tube nozzle and a high-temperature water blowing tube nozzle, and the blowing tube assembly is connected with the steam conveying tube and the high-temperature water conveying tube through a tee joint ball valve. According to the steam soot blower of the novel multifunctional blowing tube, multiple blowing modes and multiple blowing angles can be obtained, the blowing area can be enlarged, high blowing full scale can be achieved, no blowing dead angles can be left, effective spraying can be improved, and the blowing effect is improved.

The invention discloses a recovery device for selective laser melting recovered powder. The recovery device comprises a powder screening bin, a powder falling bin, a powder blowing bin and a base arranged in sequence from top to bottom; a screen is arranged in the powder screening bin; a flow dividing piece with a flow dividing hole is arranged between the powder falling bin and the powder blowingbin; one side of the powder blowing bin is connected with an intake pipe; the side wall, opposite to the intake pipe, of the powder blowing bin is connected with an exhaust pipe outwards extending; more than two classification holes are formed in the bottom of the exhaust pipe; the distances from the classification holes to the side wall of the powder blowing bin are different; and the lower parts of the classification holes are connected with powder collecting barrels. A ultrasonic generator is arranged at the bottom of the powder screening bin. Due to the density difference of waste slag and metal powder, proper gas flows are adopted to vertically blow the recovered powder, so that the falling distances of the waste slag and the metal powder are different to achieve effective separation, and high purity of the recovered powder is guaranteed. The recovery device is simple in structure, convenient to operate, suitable for recovery of various material recovered powder, high in safety coefficient and wide in application range.

The invention discloses an oscillating ceiling fan for a dormitory based on power adjustment width, and relates to the technical field of living appliances. The oscillating head ceiling fan for dormitories based on power adjustment format includes a fan cover, a transmission column is arranged on one side of the fan cover, fan blades are provided in the inner cavity of the fan cover, and a first motor is fixedly connected to the inside of the transmission column. The end of the transmission column far away from the fan cover is fixedly connected with a transmission shaft, the two ends of the transmission shaft are symmetrically fixedly connected with the first gear, one end of the transmission column is provided with a rotating column, the inner cavity of the rotating column is provided with a driving mechanism, and the top of the rotating column An amplifying mechanism is provided, and a fixing plate is arranged on the top of the amplifying mechanism. The swing head ceiling fan for dormitory based on the power adjustment format greatly enhances the air outlet area of ​​the dormitory fan, and works stably. While solving problems, the practicability of the present application is enhanced.

The invention discloses a controllable hot air distributor which comprises an air supply mechanism and a heating mechanism. The heating mechanism is provided with a heater in a heating air pipe, one end of the heating air pipe is connected with an air supply opening of a fan of the air supply mechanism, the other end of the heating air pipe is connected with an S-shaped air flue, the S-shaped air flue is fixedly arranged on the inner side of a closed box, an air outlet of the S-shaped air flue is upward, an air distribution plate is fixedly arranged on the air outlet, a plurality of strip-shaped through holes are formed in the air distribution plate, the section of the air outlet of the S-shaped air flue in the direction perpendicular to the grain conveying direction is in a horn shape, the section of the air outlet of the S-shaped air flue in the direction parallel to the grain conveying direction is narrow in upper portion and wide in lower portion, and a butterfly valve for adjusting the direction and flow of hot air is arranged below the air outlet of the S-shaped air flue. The S-shaped air flue is adopted to enable airflow to pass through the air outlet from bottom to top, air resistance is lowered, the hot air passes through the strip-shaped through holes formed in the air distribution plate to form the wall-shaped airflow, grain can bounce evenly and continuously when flowing on a net belt, and the contact time and contact area of the grain and the hot air are increased.

The invention belongs to the field of cutting equipment, particularly relates to blank circuit board machining and cutting equipment, and provides the following scheme now to solve the problem that existing cutting equipment is inconvenient to clamp and fix an original part during cutting. The blank circuit board machining and cutting equipment comprises a base, a protective cover is fixedly connected to the top of the base, a first groove is formed in the right side of the protective cover, a second groove, a falling groove, a first sliding groove, a first movable groove and a second sliding groove are formed in the base, the second groove communicates with the falling groove, a fixing block is fixedly connected to the top of the base, a first hydraulic cylinder is fixedly connected to the left side of the fixing block, a movable frame is fixedly connected to an output shaft of the first hydraulic cylinder, the movable frame is glidingly connected to the top of the base, the outer side of the movable frame is glidingly connected with the inner wall of the first groove, a second transverse groove is formed in the movable frame, and a fixing plate is fixedly connected to the left side of the movable frame. According to the equipment, the original part can be clamped and fixed conveniently during cutting, and the equipment is simple in structure and convenient to operate.