51results about How to "Effective inflow" patented technology

The invention discloses a plugging hole process of solder resist ink of a printed circuit board. The process comprises the following steps that: S1, drilling is carried out at a position corresponding to a to-be-plugged-hole on an aluminium sheet; S2, solder resist ink silk-screen processing is carried out on one side of a printed circuit board twice continuously; S3, solder resist ink silk-screen processing is carried out on the other side of the printed circuit board twice continuously; and S4, post procedures are carried out. According to the invention, silk-screen processing is carried out on each of the two sides twice and the first silk-screen pressure is larger than the second silk-screen pressure and the first silk-screen speed is smaller than the second silk-screen speed, so that ink during the first hole plugging can flow into the hole smoothly. During the second silk-screen process, time for entrance into the to-be-plugged hole by first ink is provided and the second silk-screen process is used as the compensating silk-screen process to compensate the plugged hole at the backs side, so that a problem that the plugging hole ink can not enter the plugged hole deep for the thick circuit board with the ratio of thickness to radial dimension larger than or equal to 15:1 when hole plugging is carried out only once can be effectively solved.

An experimental facility for collecting leachate during mining wasteland remediation relates to ecological remediation experiment facilities. A percolation device 1 adopts the structure that a percolation plate 2 on the upper surface of the percolation device 1 is connected with an impermeable plate 4 on the lower surface of the percolation device 1 through support pillars 3; a baffler 16 is connected to the front end of the percolation device 1; a leachate outlet 5 is formed in the baffler 16; percolation guiding holes 15 are uniformly distributed on the percolation plate 2; the leachate outlet 5 is connected with the end of a flow guide device 7, of which the caliber is thinner, through a hose 6; a porous filter screen 8 is arranged in the inner cavity at the end, with a thicker caliber, of the flow guide device 7; the end of the flow guide device 7, of which the caliber is thicker, is connected with one lateral port of a filtering device through a plastic hose; a top cap is mounted at the top of the filtering device; a detachable filter screen is placed at the lower part of the inner cavity of the filtering device; and a spherical valve is mounted at the lower end of the filtering device. Through the adoption of the experimental facility, leachate of natural rainfall or manually simulated rainfall can be collected in a controllable manner in an in-situ experiment of mining wasteland ecological remediation, so as to solve the problem that laboratory simulation study cannot reflect field environmental conditions completely.

An automatic basketball cleaning device for teaching and training is composed of a ball inlet box, a handle, a ball inlet cylinder, a put-in box, an inclined box, a cleaning box, a ball outlet cylinder, a ball outlet box, a storage box, a support plate, a support frame and wheels. In the ball inlet box, a ball inlet grooved wheel intermittent motion mechanism is mainly used for controlling basketball put-in; in the cleaning box, a washing incomplete gear intermittent motion mechanism, a disinfecting incomplete gear intermittent motion mechanism and a double-rack intermittent motion mechanism are mainly used for completing the work of washing and disinfecting basketballs; in the ball outlet box, a ball outlet grooved wheel intermittent motion mechanism is mainly used for controlling basketball drying. The automatic basketball cleaning device for teaching and training has the advantages that the grooved wheel intermittent motion mechanisms, the incomplete gear intermittent motion mechanism and the double-rack intermittent motion mechanism are effectively utilized in the whole device, the work of automatically washing, disinfecting and drying basketballs is completed, the working efficiency is greatly improved, the service life of basketballs is prolonged, and the hidden danger of germ infection on basketballs is reduced.

An exhaust manifold for vehicle is disclosed. First and fourth runners among a plurality of runners connected to cylinders of an engine are respectively connected to sides of a gas confluence part. Second and third runners disposed between the first and fourth runners are joined together integrally before being connected to the gas confluence part.

The invention provides a fan-out type wafer level encapsulation structure and a preparation method thereof. The encapsulation structure comprises at least a rewiring layer; at least one flip chip with a bump protection structure embedded in the upper surface of the rewiring layer and at least two first bumps formed on the upper surface of the rewiring layer; a plastic encapsulation layer of the flip chip formed on the upper surface of the rewiring layer and filled with the bump protection structure, a joint gap between the rewiring layers and the flip chip with the bump protection structure and part of the first bumps; and a second bump formed on the lower surface of the rewiring layer. The plastic encapsulation layer provides a seamless bonding and an excellent connection structure for the flip chips and the rewiring layers, the risk of boundary separations is avoided, and the reliability of the plastic encapsulation structure is increased; meanwhile the flip chips with the bump protection structures are adopted so that bumps are effectively protected and fixedly interconnected, and the interconnected bumps are prevented from losing efficacy.

The invention discloses a WEB service monitoring method for use in a bypass mode of server protection equipment. The method comprises the following steps: acquiring a SYN request packet sent to a WEB server by a client in the bypass mode through the server protection equipment; establishing a virtual connection between an Apache server and the client through the SYN request packet; and starting data of the Apache server for responding to the WEB server to perform rule checking. Monitoring of WEB services can be finished in the bypass mode without influencing actual network flow of a user. Meanwhile, user flow can effectively flow into the Apache server in a virtual connection way, so that seamless combination of the user flow and the Apache server is ensured, and later expansion of an Apache module is ensured.

The invention relates to a husking and rice milling integrated machine. The husking and rice milling integrated machine comprises a rack and a central control host and further comprises an automatic feeding device, a husking device, a rice milling device, an electronic weighing device and a pressure adjusting device which are electrically connected with the central control host. A discharging portof the automatic feeding device communicates with a feeding port of the husking device, a discharging port of the husking device communicates with a feeding port of the rice milling device, and a discharging port of the rice milling device is downwards and obliquely formed in the rack. The electronic weighing device is arranged under the discharging port of the rice milling device, the pressure adjusting device is arranged on the rice milling device and can open or close the discharging port of the rice milling device, and scales for displaying the output pressure value are arranged on the pressure adjusting device. According to the husking and rice milling integrated machine, feeding can be automatically conducted towards the interior of a husking machine, residues are avoided in rice milling, the pressure of a rice outlet end port can be adjusted, automatic husking and rice milling can be achieved, accurate metering can be conducted, and automatic weighing and self-service selling are met.

For forming a gas breaker which effectively realizes large electric current switching-off and medium / small electric current switching-off, a heat gas jetting chamber (21) and a mechanical gas jetting chamber (32) are equipped in series. In the heat gas jetting chamber (21), a spacing component (41) is equipped. The spacing component divides the inner part of the chamber along a radial direction for dividing to an inner periphery side space (61) and an outer periphery side space (62). A switching valve (42) which is used as a gas flow control mechanism is equipped between an arc space (31) and the heat gas jetting chamber (21). A movable valve (23) is equipped for opening and closing a communication part (18) of a spacing wall (17) between the heat gas jetting chamber (21) and the mechanical gas jetting chamber (32). When the large electric current is switched off, high-temperature and high-pressure de-arcing gas which comes from the arc space (31) is blown to the arc by means of the switching valve (42) from the outer periphery side space (62) of the spacing component (41) through the inner periphery side space (61). When the medium-small current is switched off, the de-arcing gas which comes from the mechanical gas jetting chamber (32) is only guided to the inner periphery side space (61) of the spacing component and is blown to the electric arc.

The invention relates to the field of greenhouse watermelon cultivation, and particularly relates to a non-specific regional early-ripening promotion cultivation technology for small-fruit watermelonsspecial for facilities. The water channel can be formed at the concave part in the middle of the ridge through the shape ridge, so that the watering is carried out conveniently, the water can be ensured to permeate to the periphery of the root system, and the water utilization rate is improved; after planting, the black-white metachromatic film can effectively shorten the seedling delay time of the seedlings until the seedlings break the film; the vegetative growth period of the melons can be shortened through the two-layer arched shed; the number of seedlings planted per mu can be increasedthrough the V-shaped hanging vine, so that reasonable close planting is achieved; the double-topping technology is adopted, the topping is carried out for the first time, and the formation of lateralbranches of effective results is promoted; the secondary topping is carried out after the fruit is seated and the melon vine grows to the position where the melon vine hangs the iron wire, so that thegrowth of the melon vine can be controlled; when being used as a picking item, a non-woven fabric mulching film is laid between planting rows, so that tourists can view and pick conveniently among rows. According to the method to plant the extremely early- ripening small-fruit watermelons, about 1500 seedlings can be planted in each mu, and 150 plants are more than those of the traditional small-fruit watermelons, so that the space is fully utilized, and reasonable close planting is achieved.

The invention discloses a potting seedling emergence method of rosa chinensis, and relates to the technical field of rosa chinensis culturing. The method is characterized by comprising the steps of seed processing, culturing and seedling emergence management. The method has the advantages that the method is reasonable, the operation is convenient, the seed germination rate is improved, and nutrients are abundant.

The invention discloses a water drain device for a top buffer layer of a karst tunnel. The drain water device comprises an upper water inlet, a right-angle rod, a lower water outlet, a main water drain pipe and a lengthening water drain pipe. The upper water inlet and the lower water inlet are provided with an upper water inlet filter screen and a lower water inlet filter screen respectively to realize water filtration, the lower water inlet, a communication device and an 'S'-shaped connector are designed integrally, and activated carbon is put in the communication device to prevent fine sand of the buffer layer from flowing away. The water drain device for the top buffer layer of the karst tunnel has the advantage that adverse effects of water accumulated in the buffer layer on a tunnel body can be effectively prevented.

The invention belongs to the field of unloading of a bagged steel ball of a mineral processing and grinding system, and discloses a bagged steel ball unloading device. The invention aims to solve theproblem existing during putting the bagged steel ball in a steel ball bucket in the prior art. The device comprises a support, a supporting platform is arranged on one side of the top of the support,and a steel ball bucket column is fixedly arranged on the other side of the top of the support. The steel ball bucket column is fixed to one end of the supporting platform, and the other end of the supporting platform is connected with a ladder. A supporting plate is fixedly arranged at the lower part of the steel ball bucket column, a steel pipe is fixedly arranged on the supporting plate, and the top of the steel pipe is detachably connected with a wear-resisting cone. The bottom of the steel ball bucket column is connected with a steel ball bucket cone, the bottom of the steel ball bucket cone is connected with a ball unloading slide pipe, and a ball adding bucket is arranged under the ball unloading slide pipe. The bagged steel ball unloading device can effectively unload the bagged steel ball, the safety hidden danger in working of post personnel is eliminated, the safety of the personnel in the operation process is ensured, and the work efficiency of adding the ball is improved.

The invention discloses an antirust washer which comprises a body. An annular oil guide groove is reserved on the body. An oil inlet is reserved on the outer side of the annular oil guide groove. An oil guide hole is reserved on the inner side of the annular oil guide groove. By disposing the oil inlet and the annular oil guide groove, lubricant applying is facilitated. The lubricant can effectively flow among rusted parts by the aid of the oil guide hole, and accordingly the problem of stuck parts caused by rust is solved effectively.

The invention discloses a blackboard cleaning system, and belongs to the technical field of teaching tools. The blackboard cleaning system comprises a blackboard, a containing tank, a wall, a power source and a transmission belt. The blackboard is arranged on the wall, and the power source is connected with a single-chip microcomputer. A spraying head is arranged at the top of the blackboard, andthe rear portion of the spraying head communicates with a solenoid valve through a water pipe. The solenoid valve communicates with a water supply tank, and a water pump I is arranged between the water supply tank and the solenoid valve. The water pump I and the solenoid valve are both electrically connected with the single-chip microcomputer. A drainage channel is arranged at the bottom corner ofthe blackboard, and communicates with a waste water pool. A wiping body is arranged on the front side of the blackboard, a transmission rod is arranged on the transmission belt, and the transmissionrod is connected with a sliding sleeve. A transmission wheel is arranged on the inner side of the transmission belt, and the single-chip microcomputer is electrically connected with two rotary motors.The output ends of the rotary motors are connected with the input end of a reducer, and the output end of the reducer is connected with a transmission wheel. The blackboard cleaning system is easy and convenient to operate, the blackboard can be automatically wiped and cleaned, the wiping process is free of dust, the health of teachers and students cannot be influenced, the labor intensity is low, and the work efficiency is greatly improved.

The invention provides a display panel and a preparation method thereof. The display panel comprises a substrate, a packaging layer, a black matrix layer and an oleophobic layer, the packaging layer is arranged on the surface of the substrate, the black matrix layer is arranged on the packaging layer, the black matrix layer comprises through holes, the through holes penetrate through the black matrix layer to expose the packaging layer, and the oleophobic layer covers the black matrix layer. According to the application, the oleophobic layer is arranged on the black matrix layer, so that the contact angle between the photoresist liquid drop and the interface of the through hole is increased, and the ink effectively flows into the through hole and forms a film uniformly in the printing process.

The invention discloses an external circulation cooling system of a machining center. The external circulation cooling system of the machining center comprises a vacuum chuck, a filtering water tank,a water outlet pipe, a water tank, a cooling water inlet pipe, a high-pressure water pump, a machining center operating table and a cooling water outlet pipe, wherein water tank bodies are arranged onthe periphery of the vacuum chuck. The circulation system can solve the problem that an existing cooling circulation system of a machining center cannot realize circulating cooling of a methyl-polystyrene-type scintillator cooling liquid in a pure water environment.

The invention provides an assembled water storage photovoltaic pavement, which includes electricity generating brick bodies including cover bodies made of transmitting materials, and bases oppositelyarranged with the cover bodies to define water storage cavities, wherein a first open hole for allowing rain water to pass through is formed in each cover body; each base is made of seepy material; asolar panel is accommodated inside the water storage cavity; the electricity generating brick bodies are arranged according to rules to form the pavement main body; a clearance is formed between the adjacent electricity generating brick bodies to allow water to flow into the ground / or seep into each water storage cavity. The structure can effectively solve the problem of incapability of surface water circulation caused by poor water transmitting function in the photovoltaic pavement in the prior art.

A brushcutter includes: a centrifugal clutch (20) that transmits a drive force of an engine from a crankshaft to a drive shaft; a clutch housing (23) covering the cooling fan and the centrifugal clutch, the clutch housing being made of a synthetic resin; and a bearing that is held inside the clutch housing (23) and supports a coupling shaft that couples the drive shaft and the centrifugal clutch (20). A volute-shaped air-flow space (27) defined including a rise wall (26) surrounding the centrifugal clutch (20) is provided inside the clutch housing (23) near an outer circumference of the centrifugal clutch (20). An inflow opening (28, 29) that lets a cooling air flowing in the air-flow space (27) flow into an inner air-flow space (53) and an outflow opening (52) that lets the cooling air flowing in the air-flow space (53) flow out to the air-flow space (27) are provided on the rise wall (26).

The invention relates to a drought-resistant micro-rainwater-collecting mulching film mulching device, and a film mulching and rainwater-collecting method thereof, and belongs to the technical field of ground planting. The device is characterized in that: a fixing platform is installed at the tail of an agricultural tractor; side plates are installed on the two sides of the fixing platform respectively, wherein the tops of the side plates are connected and fixed through an arc-shaped connecting plate, rotating shaft mounting plates are horizontally installed on the side plates, and a driving assembly is mounted between the rotating shaft mounting plates; two lifting rods are further mounted on the fixing platform, wherein an upper control plate is mounted at the tops of the two lifting rods, a lower limiting plate is mounted at the lower parts of the two lifting rods, a reset spring is mounted between the upper control plate and the fixing platform, and a rainwater collecting groove forming head is detachably mounted at the bottom of each lifting rod; a mulching film fixing frame is further installed on rear portion of the fixing platform and is provided with a mulching film reel. The embodiment of the invention is simple in structure, reasonable in design, and capable of automatically digging grooves and covering films, seeds can be planted on wet soil in extremely dry years to guarantee seed germination and seedling emergence, and rainwater can be conveniently and efficiently collected for crop growth.

The invention relates to a preparation method of an antibacterial cleaning paper. The preparation method comprises the following steps: preparing a sterilizing solution from a ketone control agent, allowing the sterilizing solution to flow into a flow aid, performing uniform mixing, allowing the obtained mixture to flow into a starch pulp, and performing uniform mixing to prepare a sterilized paper pulp; preparing sterilizing white water from an ammonium control agent, a hypochlorite solution and deionized water; allowing the sterilizing white water to respectively flow into the water chute ofa surface white water barrel, the white water chute of a core layer white water barrel, the bottom white water bucket, a spray starch storage tank and a warm water tanks; and producing antibacterialcleaning paper through a conventional papermaking process. The above bactericides enter all the operations of the papermaking process in a flowing manner to make bacteria killed sufficiently, and thesterilizing white water can effectively flow into all parts of a high-bacteria system to achieve efficient sterilization. The bactericides such as the ketone control agent, the ammonium control agent,the hypochlorite are adopted, so various microorganisms can be killed, and the bacterial content of the system is effectively reduced.

The invention provides a molded pulp two-face rotary hub forming machine which comprises a rotary hub intermittent drive mechanism, a rotary hub forming mechanism and a product discharge mechanism, wherein the rotary hub intermittent drive mechanism, the rotary hub forming mechanism and the product discharge mechanism are installed on a pulp box. The rotary hub intermittent drive mechanism is connected with the rotary hub forming mechanism and the product discharge mechanism. Forming molds of the rotary hub forming mechanism are opposite to a discharge mold of the product discharge mechanism. The rotary hub forming mechanism and the product discharge mechanism are connected with a vacuum source and a pressure source respectively. The molded pulp two-face rotary hub forming machine is characterized in that the rotary hub forming mechanism comprises a cuboid rotary hub and two forming air chambers, the two faces of the rotary body of the cuboid rotary hub are open, the forming air chambers are arranged on the two symmetrical side faces of the cuboid rotary hub and are parallel to a spindle of the rotary hub, and the forming molds are arranged on the outer planes of the forming air chambers respectively. According to the molded pulp two-face rotary hub forming machine, only three mold plates are needed, two mold plates are used for forming, one mold plate is used for transferring, the device design is simplified, the manufacturing cost is reduced, the size is small, the weight is low, inertia force needing to be overcome by a driving system is reduced, and therefore the system can run at higher speed.

The application relates to the field of agricultural machines, in particular to a fertilizer applicator applied to a tobacco field to regulate fertilizer application depth. The middle part of a frameis provided with a travelling device; the rear part of the frame is provided with a fertilizer application lifting device and a ridging device; the rear part of the travelling device is provided witha depth detector; the travelling device is equipped with a rotating speed sensor used for detecting a running speed signal of the fertilizer applicator; an input end of a main control unit of a fertilizer application control device is connected with the depth detector and the rotating speed sensor so as to receive a detected tobacco field depth signal and running speed signal, and an output end ofthe main control unit is connected with the fertilizer application lifting device and the ridging device; and the main control unit controls the fertilizer application depth and the fertilizer application rate of the fertilizer application lifting device according to the received tobacco field depth signal and running speed signal, and simultaneously controls the ridging height of the ridging device. The fertilizer applicator has high automation degree, and by combined use of the fertilizer application lifting device and the fertilizer application control device, the nitrogen application rateand the fertilizer application depth can be reasonably regulated according to the height of a tobacco field ridge, so that the efficiency of fertilizer application is fully improved.

The present invention relates to a vacuum cleaner. The vacuum cleaner, according to one aspect, comprises: a cleaner main body which has a suction motor for generating suction force; and a suction hose which communicates with the cleaner main body and sucks in air and dust. The cleaner main body comprises: a main body part; a dust container which is provided to the main body part and has a suctionport through which dust sucked in through the suction hose is introduced, and a storage space in which the dust is collected; and a cover member which is provided with a connector having one side thereof connected with the suction hose, and which selectively shields at least one portion of the dust container, wherein, when the cover member shields one side of the dust container, the connector aligns in parallel with the direction in which air is introduced at the suction port.

The invention discloses a mechanical lower limb machining device comprising a cutting mechanism, a cooling and scrap removing mechanism, an operation table, a supporting plate and a fixing mechanism,the left side and the right side of the bottom of the operation table are fixedly connected with the top of the supporting plate, and the top of the operation table is fixedly connected with the bottom of the cutting mechanism. The right side of the top of the operation table is fixedly connected with the middle of the cooling and scrap removing mechanism in the cutting mechanism, and the top of the operation table is fixedly connected with the bottom of the fixing mechanism at the left side of the cooling and scrap removing mechanism. According to the mechanical lower limb machining device, amechanical lower limb part needing to be machined and cut is placed between a movable clamping plate and a fixed clamping plate, a threaded rod is rotated by rotating a handle, the movable clamping plate can be effectively close to the fixed clamping plate through cooperation of a connecting piece and a nut, the purpose of clamping and fixing the mechanical lower limb part through the movable clamping plate and the fixed clamping plate is effectively achieved, and therefore the problem that effective and rapid fixing cannot be achieved in the mechanical lower limb machining process can be effectively solved.

The invention belongs to the technical field of indoor refrigeration, and particularly discloses an indoor building cold water replacement ventilation system and a control method. Airflow channels which communicate with one another are preset in an indoor building along the periphery of an indoor wall, airflow outlets are formed below the airflow channels, and movable baffles are arranged at the airflow outlets. The system comprises a ventilation assembly and a water chilling unit used for preparing chilled water, wherein the ventilation assembly comprises a cold water coil pipe spirally installed at the tops of the airflow channels, a temperature sensor, a speed sensor and a controller; the temperature sensor, the speed sensor and the controller are arranged indoors, and the speed sensoris arranged at the airflow outlets; one end of the cold water coil pipe is connected with a water outlet of the water chilling unit through a chilled water valve, and the other end of the cold water coil pipe is connected with a water inlet of the water chilling unit; and the temperature sensor, the speed sensor, the chilled water valve and the movable baffles are all connected with the controller, and the controller is used for controlling the opening size of the chilled water valve and the movable baffles. The upper space of a room is saved, and the ventilation efficiency and the thermal comfort of the human body can be effectively guaranteed.

The invention provides a molded pulp two-face rotary hub forming machine which comprises a rotary hub intermittent drive mechanism, a rotary hub forming mechanism and a product discharge mechanism, wherein the rotary hub intermittent drive mechanism, the rotary hub forming mechanism and the product discharge mechanism are installed on a pulp box. The rotary hub intermittent drive mechanism is connected with the rotary hub forming mechanism and the product discharge mechanism. Forming molds of the rotary hub forming mechanism are opposite to a discharge mold of the product discharge mechanism. The rotary hub forming mechanism and the product discharge mechanism are connected with a vacuum source and a pressure source respectively. The molded pulp two-face rotary hub forming machine is characterized in that the rotary hub forming mechanism comprises a cuboid rotary hub and two forming air chambers, the two faces of the rotary body of the cuboid rotary hub are open, the forming air chambers are arranged on the two symmetrical side faces of the cuboid rotary hub and are parallel to a spindle of the rotary hub, and the forming molds are arranged on the outer planes of the forming air chambers respectively. According to the molded pulp two-face rotary hub forming machine, only three mold plates are needed, two mold plates are used for forming, one mold plate is used for transferring, the device design is simplified, the manufacturing cost is reduced, the size is small, the weight is low, inertia force needing to be overcome by a driving system is reduced, and therefore the system can run at higher speed.

The invention discloses a plugging hole process of solder resist ink of a printed circuit board. The process comprises the following steps that: S1, drilling is carried out at a position corresponding to a to-be-plugged-hole on an aluminium sheet; S2, solder resist ink silk-screen processing is carried out on one side of a printed circuit board twice continuously; S3, solder resist ink silk-screen processing is carried out on the other side of the printed circuit board twice continuously; and S4, post procedures are carried out. According to the invention, silk-screen processing is carried out on each of the two sides twice and the first silk-screen pressure is larger than the second silk-screen pressure and the first silk-screen speed is smaller than the second silk-screen speed, so that ink during the first hole plugging can flow into the hole smoothly. During the second silk-screen process, time for entrance into the to-be-plugged hole by first ink is provided and the second silk-screen process is used as the compensating silk-screen process to compensate the plugged hole at the backs side, so that a problem that the plugging hole ink can not enter the plugged hole deep for the thick circuit board with the ratio of thickness to radial dimension larger than or equal to 15:1 when hole plugging is carried out only once can be effectively solved.

The invention discloses an internet-based remote video acquisition device and a use method thereof. The internet-based remote video acquisition device comprises a storage mechanism, a control mechanism and a cleaning mechanism, the control mechanism is arranged at the bottom of the storage mechanism, the cleaning mechanism is also arranged at the bottom of the storage mechanism, the storage mechanism comprises a bottom frame and a protective shell, and a camera body is fixedly connected to the center of the bottom of the bottom frame; a supporting frame is fixedly connected to the front surface of the bottom frame through bolts, a guide block is fixedly connected to the front inner wall of one side of the supporting frame, and a water storage frame is fixedly connected to the top of the supporting frame. According to the invention, the device can be stably installed and arranged at a designated use place through the bottom frame, the running program of the controller body can be remotely set through the Internet, then other functional parts of the device can be effectively controlled to run orderly through the controller body, and when the set cleaning time is reached, the controller body starts the micro motor, and then the micro motor can drive the second gear to rotate clockwise through the first gear.

The flying paint attachment preventing system comprises a paint spraying equipment body and an adjusting mechanism, the adjusting mechanism comprises a bottom pipe, a connecting part and a positioning part, the outer surface of the paint spraying equipment body is slidably sleeved with the bottom pipe, the connecting part comprises a connecting pipe, and the outer surface of the bottom pipe is slidably sleeved with the connecting pipe; the outer surface of the connecting pipe is slidably sleeved with a connecting ring, and one end of the connecting ring is in threaded connection with an adjusting ring. According to the paint spraying device, when the paint spraying device is used, the outer surface of the paint spraying device body is effectively sleeved with the bottom pipe, then the positioning ring can effectively move and extrude the pressing block by rotating the positioning ring, then the pressing block can effectively press the linkage rod downwards, and then the linkage rod can effectively press the positioning block downwards; under the limitation of the positioning position, the equipment can be stably arranged on the outer surface of the paint spraying equipment body in a sleeving mode, then the adjusting ring is rotated according to the actual spraying requirement, and then the adjusting ring can push the connecting ring.