212results about How to "Avoid legacy" patented technology

A school bus child alarm device comprises a controller, a driver seat, a child seat, and a safety door-closing device; the driver seat comprises a first seat frame, a first seat cushion, a first push-button switch, and a first seat back; the first push-button switch is mounted between a first base plate of the first seat cushion and a first groove bottom of a first guide groove, the first push-button switch being a normally closed switch; the child seat comprises a second seat frame, a second seat cushion, a second push-button switch, and a second seat back; the second push-button switch is mounted between a second base plate of the second seat cushion and a second groove bottom of a second guide groove, the second push-button switch being a normally open switch; the safety door-closing device is constituted by an electrically-powered component, the base thereof being fixedly connected to a vehicle door frame and the driving head thereof facing the vehicle door; when a child is in the vehicle, the electrically-powered component is energized and the driving head is extended, blocking the vehicle door and preventing same from closing; the invention is used for preventing children from being locked inside the vehicle.

The invention discloses a cutting device for steel bar machining. The cutting device comprises a base. A workbench is fixedly connected to the center position of the top of the base. A fixing column is fixedly connected to the right side of the top of the base. A supporting plate is transversely and fixedly connected to the top of the left side of the fixing column. An electric telescopic rod is fixedly connected to the left side of the bottom of the supporting plate. A fixing base is fixedly connected to the bottom of the electric telescopic rod. A motor is arranged at the bottom of the leftside of the fixing base. Through cooperation of the workbench, the fixing column, the supporting plate, the electric telescopic rod, the fixing base, the motor, the rotation shaft, a cutting blade, anair suction pump, a communication pipe, a ventilation head, a connecting pipe and a collection box, iron scraps generated in the steel bar cutting process can be sucked in and collected, and the problem that a traditional cutting device does not have an iron scrap collecting function is solved; and a large number of iron scraps are prevented from being left after steel bar cutting, convenience isbrought to next cutting for users, and the cutting device is worthy of being used and popularized.

The invention relates to a method for controlling air holes of a laser cladding layer by an intermittent parking machine, belonging to the technical field of surface treatment. The method comprises the following steps of: fixing a cladding sample on a platform surface of an electromagnetic vibrating platform by a clamp device, adopting a lateral and synchronous powder feeding method, assisting low-amplitude and high-frequency intermittent parking vibration in the laser cladding process, leading metal liquid to be stressed by exciting force provided by mechanical vibration intermittently in the solidification process of a melting pool, and obtaining the high-quality cladding layer. In the method, the formation of a feeding channel can be enhanced, the intermittent vibration accelerates the escaping of residual gas in the cladding process, the residue of microscopic bubbles in the cladding layer is restrained, the macroscopic surface quality after the cladding layer is solidified is improved, the subsequent processing amount is reduced, and the comprehensive surface performance of the cladding layer is improved. The method is applicable to the fields such as strengthening and forming of laser cladding surfaces of metal parts and surface repairing of medium parts and the like, and can improve the quality of the cladding layer.

A sweeper comprises a sweeper body, a trash bin, a cleaning device and a cleaning drive mechanism. A rotary cleaning disc is disposed on a near-road-edge side of the sweeper body and provided with a support and a rotary shaft rotatably connected with the support, a plurality of rotating arms are radially disposed on the rotary shaft, a cleaning broom is disposed at one end of each rotating arm, the support is provided with a lifting cam, and each rotating arm is provided with a driven bar in sliding contact with the lifting cam. Outside the sweeper body, bristles of the cleaning brooms elastically and slidably contact with the ground and enter pits or slits for cleaning under elasticity. A lateral cleaning device is disposed on the other side of the sweeper body. A rear cleaning device is disposed at the rear of the sweeper body. Dust and dirt can be collected into a garbage bucket, and secondary splash of dust and dirt can be prevented. Using the sweeper can solve the problem that road cleaning quality is severely affected due to the fact that dust and dirt in pits or slits cannot thoroughly cleaned with bristles of rotary wheel brushes of an existing sweeper, and implementation of mechanization of road sweeping vehicles is quickened.

The invention relates to a short-circuit processing method for a stator iron core of a steam turbine generator. The texture is clearly visible, clean it with a vacuum cleaner while grinding; 3) Repeatedly scrub the polished surfaces with a white cloth dipped in alcohol; 4) Carry out the generator iron loss test to determine whether the quality of the short-circuit iron core is qualified, if so, go to step 6) , otherwise go to step 5); 5) Take out the upper layer bar at the fault point, carry out iron core processing, and return to step 4); 6) Determine whether the area of ​​the stator core welding exceeds the set threshold, if so, Make a fake iron core, insert the fake iron core into the iron core pit and fix it, otherwise fill it with insulating material and shape it. Compared with the prior art, the present invention has the advantages of wide application range, safety and reliability, and high maintenance efficiency.

The invention discloses a sewing machine for clothes processing. The sewing machine for clothes processing comprises support legs, a table surface, a rack, a top plate, a machine head, a working table, a goose neck tube, a fan, a lighting lamp, a cup holder, a dust collection hopper, a dust collection pump, a channel, a collection box and a drawer, wherein four support legs are uniformly arranged at the lower part of the table surface; the rack is fixedly and vertically arranged on the left side of the upper part of the table surface; the top plate is fixedly horizontally arranged at the upper end of the rack; the machine head is fixedly arranged at the lower part of the top plate; the working table is fixedly and horizontally arranged at the upper end of the rack; the machine head is fixedly arranged below the top plate; the working table which is fixedly mounted on the table surface is arranged right below the machine head; the fan is connected below the top plate and positioned on the left side of the machine head through the goose neck tube; the lighting lamp is arranged at the right side part of the rack. Compared with the prior art, the working performance of the sewing machine is improved, the adaptability of the sewing machine is improved, functions of the sewing machine are enriched, the working intensity of operators is alleviated, and great convenience is brought to clothes processing.

The present invention relates to a novel intelligent toilet care device, comprising: a toilet box, a controller, a flushing device and a defecation device, the flushing device and the defecation device are respectively connected with the toilet box through pipelines, and the Both the flushing device and the defecation device are electrically connected to the controller; the defecation device is a bridge negative pressure barrel. The beneficial effects of the present invention are: by setting the flushing device and the negative pressure barrel for crossing the bridge, the user's feces and waste water after flushing can be directly sucked into the negative pressure barrel and then discharged. This process is controlled by the controller, and the use is more convenient. It is convenient, and it can suck the peculiar smell into the negative pressure barrel in time, which is more convenient to use, and the user can use it more comfortably through the overall design, and the device can save manual care.

The invention discloses a manufacturing method for improving PCBA production efficiency, and belongs to the technical field of computer processing and manufacturing. The manufacturing method for improving PCBA production efficiency of the present invention includes the following steps: S1: making a printed steel plate with special openings to ensure that the solder paste at the position of the DIP material meets the welding requirements; S2: the components used in the production meet high temperature resistance and are suitable for SMT placement machines SMD packaging requirements for medium and high-speed machines and general-purpose machines; S3: DIP components are installed on the corresponding SMT machines through loading trolleys and feeders; S4: Automatic insertion machines are used for components that cannot meet the requirements of the SMT machines Or manually insert into the corresponding part position; S5: After reflow soldering, check the welding effect of the part. The manufacturing method for improving the PCBA production efficiency of the invention can greatly reduce the PCBA production cost, improve the product production quality, shorten the production cycle, and has good popularization and application value.

The alkaline developing solution of the present invention is applied to image formation after photosensitive resin is exposed to ultraviolet (UV), and its composition includes (A) pure water, (B) at least one basic compound, (C) content A defoamer less than 500ppm, (D) at least one nonionic surfactant with a total content of 0.05 to 10%; wherein, the structural formula of the nonionic surfactant is: the key point is: in the structural formula of the nonionic surfactant R1 is hydrogen (-H) or methane (-CH3); EO is polyoxyethylene; PO is polyoxypropylene, m and n cannot be zero at the same time, m+n is less than 25, and R2 is Hydrophobic base.

The invention provides a suction nozzle used for a road sweeper and the road sweeper. The suction nozzle comprises a collecting part and a spraying mechanism. The collecting part is provided with a cavity, a first opening and a second opening, wherein the first opening and the second opening are communicated with the cavity. The spraying mechanism is provided with a spray nozzle. The first opening and the second opening are located at the two ends of the cavity in the flowing direction of rubbish. The spraying mechanism is located outside of the cavity. By arranging the spraying mechanism on the collecting part, the spraying mechanism is started when the spray nozzle works, so that fluid sprayed through the spray nozzle impacts on the rubbish, the rubbish can be better discharged and sucked through the collecting part, and the rubbish collecting reliability of the suction nozzle is improved; the rubbish is effectively prevented from being left on the road surface, and then the cleaning effect of the road sweeper is improved.

The invention discloses a pipeline device for a high-density plasma stock. An NF3 gas for cleaning a cavity and an NF3 gas for participating in an etching process respectively adopt an independent first branch pipe and a second branch pipe to enter the cavity, the NF3 gas for participating in the etching process can directly enter the stock cavity without through a remote plasma system, and thus, the fact that during an STI etching process, due to corrosion of the NF3 gas for participating in the etching process, metal elements are left in the inner cavity of the remote plasma system can be avoided, and metal pollution problems caused by metal element over specification during the STI etching process can be reduced.

The invention discloses a scrap sucking device of a polishing machine. The scrap sucking device comprises an operation box body, the polishing machine, a leakage plate and a scrap sucking device body; the polishing machine is installed on the upper top face of the operation box body, and a hollow leakage plate is arranged on the bottom face of the operation box body; the scrap sucking device body is fixedly connected to the bottom of the operation box body in a sealed manner; the scrap sucking device body is divided into a scrap sucking part and a scrap storage part from top to bottom, and the scrap storage part is installed at the bottom of the scrap sucking part in a separable manner; and the scrap sucking device further comprises a vibration device, and the operation box body is fixedly installed on the vibration device. The scrap sucking device is simple in structural design, good in scrap sucking effect and free of dead corners during scrap cleaning and facilitating maintaining and repairing of the device; the design of an annular coil is adopted in the scrap sucking device, an isolating layer is adopted for rapping, generated magnetic force is stronger, and the condition that scraps are too many and are left on the surface of the coil can be avoided.

The invention relates to a blockchain technology-based intelligent door lock, which comprises a main body, wherein a display screen, a handle and a plurality of control keys are arranged on the main body; a lifting mechanism and a switching chamber are arranged in the main body; the lifting mechanism comprises a first motor, a driving bevel gear, a lifting plate, a fingerprint identifier and two lifting assemblies; a switching mechanism is arranged in the switching chamber; the switching mechanism comprises a switching assembly and a contact assembly; and the switching assembly comprises a second motor, a rotating shaft, a fixed block, a rotating block and two battery packs. The blockchain technology-based intelligent door lock stores data by adopting a blockchain technology, so that the data security is high; furthermore, the blockchain technology-based intelligent door lock can switch the two battery packs to realize continuous work through the switching mechanism, so that the duration capacity of the intelligent door lock is improved; by the lifting mechanism, the fingerprint identifier can be pushed out from the bottom of the main body, so a child can use the door lock, and theconvenience for child use is increased.

The invention discloses an environment-friendly cleaning device of a dyeing machine filter screen. The cleaning device comprises a cleaning device body, a filter and an inlet pipe, wherein the filteris movably connected with bottom of the cleaning device body, an outlet pipe is connected with the middle part of the bottom end of the filter by embedding, the inlet pipe is connected with the middlepart of the top end of the cleaning device body by embedding, a pipe connector is connected with the middle part of the inlet pipe by penetrating, and a telescoping mechanism is movably connected with top of inside of the cleaning device body; the telescoping mechanism prolongs service life of the cleaning device body and embodies creativity of the cleaning device body, the filter improves working efficiency of the cleaning device body and embodies high efficiency of the cleaning device body, a seal ring prolongs service life of the cleaning device body and embodies the creativity of the cleaning device body, and a telescoping hose improves cleaning effect of the cleaning device body and embodies high efficiency of the cleaning device device. The environment-friendly cleaning device of the dyeing machine filter screen has broad development prospects in the future.

The invention discloses a super abrasion-resistant extruding and drying roller. The super abrasion-resistant extruding and drying roller comprises an extruding and drying roller iron core, a buna-n rubber layer and a polyurethane rubber layer, wherein the buna-n rubber layer is arranged between the extruding and drying roller iron core and the polyurethane rubber layer; the inner side surface of the buna-n rubber layer is adhered to the outer side surface of the extruding and drying roller iron core; the outer side surface of the buna-n rubber layer is adhered to the inner side surface of the polyurethane rubber layer; the thickness of the polyurethane rubber layer is 1/3 of the thickness of the buna-n rubber layer. The super abrasion-resistant extruding and drying roller adopts a two-layer composite rubber layer; the abrasion resistance of the polyurethane rubber layer of the surface is high (the abrasion resistance is 3-4 times higher than that of the surface of the existing extruding and drying roller); the abrasion resistance of the surface of the extruding and drying roller can be improved; the super abrasion-resistant extruding and drying roller is capable of preventing the roller surface from shedding and staying on the surface of the strip steel due to abrasion; the problem that the foreign matters are pressed into the surface of the extruding and drying roller can be avoided.

The invention discloses a nursing device after circumcision, which comprises a waist belt, a penis sleeve and a plurality of connecting belts, the penis sleeve includes a penis body sleeve and a penis head sleeve, and one end of the penis body sleeve It is connected with the waist belt through multiple connecting straps, and the other end is connected with the penis head sleeve. First, the present invention can protect the wound in advance after the operation, avoiding the friction between the wound and the underwear when wearing the underwear after the operation, thereby alleviating the pain of the patient; The problem of easy contamination of the wound.

The invention provides a sewage purification device used for removing impurities in sewage, and belongs to the technical field of environmental protection equipment manufacturing. The sewage purification device comprises a frame body, wherein a water storage container with an upward opening is arranged on the frame body, a filter box with an upward opening and a filter screen on one side face is arranged in the water storage container, a vertical solid impurity pushing device is arranged on the inner bottom wall of the filter box, a horizontal solid impurity pushing device matched with the vertical solid impurity pushing device is arranged at the opening of the filter box on the water storage container, an air plate is arranged at the position, corresponding to the filter screen, of the side wall of the water storage container, a clear water outlet, an inclined plate, a medicine injection pipe with a switch valve and an emptying valve are sequentially arranged at the position, below the filter box, of the side wall of the water storage container, and a stirring device is arranged below the filter box in the water storage container. According to the invention, the problems that solid impurities and flocculation precipitation are not integrated at present, the solid impurities on the filter screen cannot be automatically removed, and filter holes of the filter screen are easily clamped by the solid impurities in the sewage filtering process are solved.

The invention discloses a novel fingerprint lock, which comprises a fingerprint lock body,a front cover plate is arranged on the front side of the fingerprint body, a first protective shell is arranged on one side of the front cover plate, a second protective shell is arranged on the other side of the front cover plate, corresponding to the first protection shell, a push-pull mechanism is arrangedat the middle part of the front cover plate, according to the invention, the structure is scientific and reasonable, the use is convenient, the first protective shell and the second protection shellcan effectively protect the fingerprint lock body and reduce the damage of the front cover plate,an emergency lock head is hidden, so that a lawbreaker is prevented from unlocking by using the emergency lock head; the surface of a fingerprint input device is cleaned by the cleaning block at the bottom of the protective plate, residual fingerprint marks on the surface of the fingerprint input device are avoided, the situation that the fingerprint is stolen and utilized by the lawbreaker is avoided, the surface cleaning of the fingerprint input device is ensured, and the fingerprint is input conveniently and more accurately; the surfaces of a second sleeve and push rod can be cleaned by a doctor blade so as to avoid bacterial carryover and infection caused by different users when the lock isused.

The invention discloses an aerosol matrix structure and an aerosol generating device. The aerosol matrix structure at least comprises a matrix section, an air passage section arranged at one end of the matrix section, and a filter tip section arranged at one end, far away from the matrix section, of the air passage section, the matrix section comprises an aerosol generating substrate and a heating body, the heating body is provided with a closed cavity, and the aerosol generating substrate is arranged in the closed cavity; one end of the closed cavity is provided with a first opening, and the other end is a sealed end; the air passage section is provided with a suction passage and a plurality of first air inlet holes; the suction channel is communicated with the closed cavity through the first opening; and the suction channel is communicated with the outside atmosphere through the first air inlet holes. According to the aerosol matrix structure and the aerosol generating device, residues of the aerosol generating matrix are not prone to being left in the heating device, the substance component consistency of the generated aerosol is good, and the smoking taste of a user is good.

The invention provides an alkyd resin production device, and belongs to the technical field of alkyd resin production. The alkyd resin production device comprises a bracket, a box body and a discharging assembly, wherein a discharging pipe is installed at the bottom of the box body in a penetrating mode, the output shaft of a motor is connected with the box body in a sealed and rotating mode, oneend of a stirring rod is in key connection with the output end of the motor, the other end of the stirring rod is rotationally connected to the discharging pipe, a first scraping plate is in clearancefit with the inner wall of the box body, a second spiral blade is arranged below a first spiral blade, and the second spiral blade is in clearance fit with the discharging pipe. According to the device, few raw materials and resin are attached to the inner wall of the box body, the utilization rate of the raw materials is increased, the quality of the resin is improved, discharging is facilitated, waste of the resin is reduced, the production efficiency is improved, the box body can be cleaned conveniently, and the working efficiency is improved.

The invention discloses a solder paste stirring device in the field of soldering material manufacturing equipment. A stirring shaft and a stirring drum are coaxial, the bottom end of the stirring shaft is fixedly connected with an output shaft of a motor, a plurality of stirring groups are uniformly and annularly arranged on the stirring shaft, each stirring group comprises a plurality of stirringblades, and the stirring blades and the stirring shaft are connected and collinear vertically. A rectangular frame is arranged between every two adjacent stirring groups, one side of each rectangularframe is fixedly connected with a stirring shaft while the other side of each rectangular frame is provided with a first scraper blade, and each first scraper blade fits the inner side wall of the stirring drum and is in rotational connection with the inner side wall of the stirring drum. The upper end face of each rectangular frame is provided with a second scraper blade, and each second scraperblade fits the lower surface of a cover and is in rotational connection with the lower surface of the cover. By adoption of the scheme, adhesion of solder paste on the inner side wall of the stirringdrum and the cover is effectively avoided in solder paste stirring, and accordingly convenience in cleaning is achieved.

The embodiment of the invention discloses a terminal, an interaction control method thereof and a computer readable storage medium. The invention helps resolve the problem in the prior art that interaction control of users is limited due to only contact operation on a screen. The embodiment of the invention provides a terminal interaction control method. The output value of a target interaction item of a terminal is adjusted according to the change condition of the distance between an operation object and the screen, so that when a user adjusts the output quantity of the target interaction item on the terminal, fingers do not need to touch the screen of the terminal, and hand stains are prevented from being left on the screen; on the other hand, the interaction control of the user is not limited by the scene and user experience is enhanced. In addition, the control scheme based on the real-time distance change condition between the operation object and the screen is novel in form and high in enjoyment. The embodiment of the invention further provides a terminal and a computer readable storage medium, the interaction control scheme of the terminal is novel and peculiar, and user experience of the terminal is improved.

The invention provides a hair cutting rolling brush, the hair cutting rolling brush comprises a rolling brush body and a reciprocating hair cutting blade, a cleaning part is arranged on the rolling brush body, a separation part is further arranged on the rolling brush body, the hair cutting blade is separated by the separation part, and the separation part is provided with the cleaning part or is not provided with the cleaning part. Compared with the prior art, the hair cutting rolling brush is provided with the separation part, the separation part separates the hair cutting blade, when the rolling brush body rotates to the installation position of the hair cutting blade, the separation part makes direct contact with the ground, the blade can be protected, and the shaking degree of the rolling brush can be reduced; the cleaning part is arranged on the separation part, so that the cleaning capacity of the hair cutting rolling brush can be improved, and dust and other garbage are prevented from being left when the rolling brush body rotates to the mounting position of the hair cutting blade.

The invention discloses an efficient agricultural fertilization device. The device comprises a storage box, wherein rollers are movably connected to the bottoms of two sides of the storage box throughrotating shafts, a feeding hole is formed in the left side of the top of the storage box, a drive box is fixedly connected to the right side of the top of the storage box, an electric telescopic rodis fixedly connected to the right side of the bottom of the inner wall of the drive box, a transverse plate is fixedly connected to the top of the electric telescopic rod, a sliding sleeve is fixedlyconnected to the left side of the transverse plate, and a polished rod is glidingly connected in the sliding sleeve. Through matched use of the drive box, the electric telescopic rod, the transverse plate, the sliding sleeve, the polished rod, a connecting rod, a crank, a rotating rod, a support plate, a first bevel gear, a second bevel gear, a rotating rod and stirring rods, the problem of low working efficiency of existing agricultural fertilization devices is solved. The efficient agricultural fertilization device has the advantage of high efficiency, a user is not required to apply fertilizer multiple times during use of the agricultural fertilization device, and accordingly, a large amount of time is saved.

Provided is a self-inspection device for passengers in a vehicle while parking. The device is mainly composed of a passenger detection module, a controller, a central control switch and an alerter; when a driver parks and locks the vehicle, the device automatically starts detection on passengers in the vehicle, when it is found that the passengers are in the vehicle when the driver locks the vehicle, central control locking stops, an alarm is given out to inform the driver that passengers or animals do not get off the vehicle, and therefore the phenomenon that the passengers or the animals are left in the vehicle is avoided.