686 results about "Windscreen wiper" patented technology

The utility model relates to an end buckle cap structure of a windshield wiper. The end buckle cap structure comprises an automobile connecting frame, a steel sheet, a bridge type support, a connecting rail and a wiping piece. The automobile connecting frame is provided with an automobile connecting part and a steel plate clamping groove, and the steel sheet is fixedly connected with the steel plate clamping groove; the connecting rail and the wiping and brushing piece are both sectional materials and have flexibility; the connecting rail comprises a bridge type support connecting part and a wiping and brushing piece connecting part provided with a wiping and brushing piece connecting groove. The cross section of the bridge type support connecting part and the cross section of the wiping and brushing piece connecting groove are both in a T shape. The wiping and brushing piece comprises a wiping and brushing piece mounting body with a T-shaped cross section, and the wiping and brushing piece mounting body is embedded into the wiping and brushing piece connecting groove; the bridge type support comprises a bent bridge body, and a steel plate connecting part protruding upwards is arranged in the middle of the bridge type support. The utility model has the effects that the wiping and brushing piece can be ensured to be attached to the automobile window so as to ensure the wiping and brushing effect, the end buckle cap is convenient to install, and the connecting rail and the wiping and brushing piece can be prevented from falling off, namely being separated from each other.

The invention relates to the technical field of automatic driving, discloses a cleaning method, system and equipment for an automatic driving sensor and a storage medium, and is used for effectively reducing vibration and noise of a vehicle. The cleaning method of the automatic driving sensor comprises the steps of detecting whether the external environment of an automatic driving vehicle rains or not; if it is detected that the external environment is raining, a corresponding cleaning mode is selected according to the rainfall and the type of the sensor; if it is detected that the external environment does not rain, whether the surface of the sensor is fuzzy is detected; if it is detected that the surface of the sensor is fuzzy, a corresponding cleaning mode is selected according to the fuzzy degree and type of the sensor; and cleaning the sensor according to the selected cleaning mode, wherein the cleaning mode is fan cleaning or windscreen wiper cleaning.

A replaceable windscreen wiping insert forming part of a wiper which is provided with a row of brushes for cleaning a vehicle's windscreens and headlights. The wiping insert includes an elongated base member having a connecting element for attaching it to a wiper adapter; at least one wiping blade extending from the base member along the length thereof and being deflected relative thereto during use; and at least one row of brushes arranged along the length of the base member. The at least one row of brushes is integrated directly into the wiping blade such that the row of brushes is arranged projecting from a first longitudinal side of the wiping blade or from a second longitudinal side opposite thereto. The disclosure also relates to a windscreen wiper including the wiping insert and to a method for retrofitting available wiping inserts with a row of brushes.

The invention discloses a side edge hidden type windscreen wiper for an automobile laser radar, and relates to the technical field of automobile radar accessories, the side edge hidden type windscreen wiper comprises a wiper arm body and a moving module, the moving module comprises a moving guide rail, a first sliding block and a driving assembly, the driving assembly drives the first sliding block to move along the moving guide rail, and the first sliding block is connected to the wiper arm body; the moving guide rail at least comprises a moving section and an opening-closing section, the opening-closing section is arranged in the width direction of the moving module and guides the scraping arm body to extend outwards or hide inwards, the moving section is located on one side of the outer end of the opening-closing section and arranged in the length direction of the moving module, and the scraping arm body extending in a guiding mode reciprocates for scraping. The self-cleaning function of the automobile laser radar in the driving process can be improved, hiding in the daily state is achieved, and the effect of prolonging the service life is achieved.

The utility model discloses a multi-angle windscreen wiper which comprises a windscreen wiper motor, a windscreen wiper blade, a windscreen wiper blade and a windscreen wiper blade. A driving device is arranged in the mounting bracket, is connected with a driving shaft and enables the driving shaft to swing back and forth; the driving shaft is connected with a scrubbing device; the scrubbing device comprises a driving rod which is fixedly connected with the tail end of the driving shaft; the wiper blade is connected with one end of the driving rod; the rotating shaft is arranged in the middle of the wiper blade; the transmission wheel I is fixedly arranged on the rotating shaft in a sleeving manner; the second transmission wheel is fixedly arranged on the driving shaft in a sleeving manner; and the transmission belt is arranged between the transmission wheel I and the transmission wheel II. The multi-angle windscreen wiper has the advantages that the wiping angle of the wiper blade can be changed during wiping, so that attachments are subjected to force in all directions, and the wiping effect of the attachments is improved.

A vehicle including a glazing, a wiper, a detection unit and a processor is disclosed. The detection unit may be configured to capture images of a vehicle interior portion and a vehicle surrounding. The processor may be configured to determine a precipitation intensity and that the vehicle may be in a stationary state. The processor may further determine that a user located in the vehicle interior portion may be looking out of the vehicle through the glazing based on inputs obtained from the detection unit, responsive to determining that the vehicle may be in the stationary state. The processor may further cause a wiper movement at a speed associated with the precipitation intensity, when the user may be looking out of the vehicle through the glazing.

The invention discloses a vehicle windscreen wiper service life detection method and device, a vehicle and a program product, and the method comprises the steps: building a residual life prediction model of a vehicle windscreen wiper through an end-to-end deep neural network model, and enabling the model to take the state data of a windscreen wiper rubber strip and the parameter characteristics of the environment where the vehicle is located as the input; and outputting the predicted residual life of the windscreen wiper rubber strip. The input of the model comprises the multi-mode state data, obtained in the current detection period, of the windscreen wiper rubber strip of the vehicle and the parameter characteristics of the environment where the windscreen wiper rubber strip is located after the windscreen wiper rubber strip is replaced last time. When the vehicle is in different external environments, the aging speeds of the windscreen wiper rubber strip are different, the parameter characteristics of the environment where the vehicle is located serve as the input parameters of the model, and the model can be guided to dynamically predict the remaining life of the windscreen wiper rubber strip according to the parameter characteristics of the environment where the vehicle is located. Therefore, the accuracy of predicting the residual life of the windscreen wiper rubber strip is further improved.

The invention relates to the technical field of coal mine automation control, and discloses a coal flow windscreen wiper multi-device cooperative control method and system. The method comprises the following steps: obtaining an original environment data set of each sensor node in an underground environment, processing the original environment data set to obtain a communication quality index, calculating bandwidth demand change of each node in combination with historical transmission records of the nodes, and predicting a resource allocation proportion; when the current available network resources cannot meet the requirements, sorting the key data packets to obtain a priority transmission sequence; extracting high-priority data from the sequence, temporarily storing the high-priority data to a local cache unit, and determining the state of a buffer area; dynamically adjusting bandwidth allocation by adopting an intelligent optimization model, and updating communication resource configuration; and judging whether the resource configuration meets a load balance requirement, if so, sending a data packet through a wireless channel, determining a transmission performance index, and generating a resource management scheme of a next period. The cooperative work efficiency of multiple devices of the coal flow windscreen wiper in the high-dust and high-humidity environment is improved.

The invention relates to an automobile windshield shelter removing method and system and an automobile, and belongs to the technical field of automobile active safety. The method comprises the steps that the surface of the windshield is monitored through a vehicle-mounted camera; when a shielding object is identified, calculating a view shielding coefficient based on the area, the position, the light transmittance and the type of the shielding object, and determining an initial influence level according to the view shielding coefficient; corresponding cleaning strategies are executed according to the influence levels, windscreen wiper cleaning is started at the low level, pneumatic suction generated by vehicle intersection is used for cleaning at the middle level, and negative-pressure airflow cleaning is induced through dynamic opening of a skylight at the high level; if the shielding is not removed, the influence level is increased step by step, and circulation execution is carried out until the shielding is removed or automatic parking is triggered. According to the method, grading, closed-loop and non-contact intelligent removal of different types of sheltering objects is achieved, and invalid or even harmful operation of a traditional windscreen wiper in a dry sheltering scene is effectively avoided.

The utility model discloses an automobile windscreen wiper output shaft detection mechanism which comprises a positioning plate, a first positioning disc is fixedly installed on one side of the top end of the positioning plate, a second positioning disc is fixedly installed on the top end of the first positioning disc, and a fixing lining is fixedly installed in the positioning plate. According to the automobile windscreen wiper output shaft detection mechanism of the utility model, the parts are circular parts, only the cylindrical grinding is needed to match the clearance, the flat grinding is needed to match the sliding surface to ensure the luminosity and the sliding flexibility, the grinding by a bench worker is not needed during the final assembly, the whole processing technology is very simple, the production efficiency is high, and the cost is low. The cost is low; a closed ring is formed between the positioning discs, lubricating oil can be added without flowing out, rustiness between parts is avoided, and smooth sliding is guaranteed; the detection mechanism is high in applicability and low in cost, is used in a production field, and has a great reference value in the aspect of detection and popularization of output shafts of other front and back scraping products.

The present invention relates to an actuator 1 for oscillatingly driving a windscreen wiper with a brake medium 2 for frictionally holding a component 3 of the actuator 1, in particular when the wiper arm is in the parked position, wherein the brake medium is opened by a driving force of the actuator 1 and closed by a pushing force of the wiper arm.

A safety system for a boat, watercraft or other vehicle includes a kill switch connected to the motor for preventing the motor from running under dangerous circumstances. The system may include proximity sensors operatively connected to the kill switch, so that the motor only runs when the proximity sensor detects a person properly positioned at the captain's console. Other sensors may form an array to communicate with the kill switch, to automate certain features and systems, or to otherwise provide alarms upon detection of dangerous situations, including a carbon monoxide detection sensor system, gate sensors, anchor-down sensors, ladder sensors, ambient light sensors, optical rain sensors for operating an automated windshield wiper safety system, an array of cameras strategically positioned around the periphery of the watercraft for monitoring purposes, and an automated anchor / navigation light system.

A windscreen wiper device of the flat blade type comprising an elastic, elongated carrier element, as well as an elongated wiper blade of a flexible material, which can be placed in abutment with a windscreen to be wiped, which wiper blade includes at least one longitudinal slit, in which slit at least one longitudinal strip of the carrier element is disposed, which windscreen wiper device comprises a connecting device for a rod-like extension of an oscillating arm, wherein said rod-like extension can be pivotally connected to said connecting device about a pivot axis near a free end thereof, wherein said connecting device comprises a first part and a second part, wherein said rod-like extension of said oscillating arm can be pivotally connected to said first part about said pivot axis, with the interposition of said second part, wherein said first part is connected to said wiper blade and said second part is pivotally (preferably also detachably) connected onto said first part, wherein said second part comprises a channel arranged to receive said free end of said rod-like extension, with the special feature that said windscreen wiper device comprises a housing for said rod-like extension, wherein said housing is arranged to be connected to said second part, and wherein said housing comprises a channel to receive said rod-like extension, said channel of said housing in mounted position being co-axial with said channel of said second part.

The invention discloses an automatic calibration system of a vehicle-mounted HUD, and relates to the technical field of auxiliary driving, comprising information acquisition and preprocessing, extreme weather classification and adaptive strategy decision, multi-layer HUD parameter adjustment and peripheral equipment linkage, real-time feedback monitoring and iterative correction, and multi-vehicle big data and cloud platform training. Multi-source information such as rainfall, temperature and humidity, illumination and an infrared / visible light camera is accurately fused, various severe weather such as rainstorm, dense fog, high temperature and strong light can be rapidly identified, projection-cleaning-protection cooperative calibration is formed in cooperation with a windshield wiper and an anti-fog heating layer, a real-time feedback mechanism constructs a closed loop between the projection effect and driver operation feedback, and the real-time feedback mechanism is used for achieving the real-time control of the driver. When projection deviation or sudden weather change is detected, automatic secondary calibration can be carried out, key data can be recorded to a vehicle-mounted database, then better model parameters are obtained based on cloud distributed training, and finally fleet-level cross-region collaborative optimization is realized.

The utility model relates to the technical field of windshield wiper connectors, in particular to a multifunctional connector connection adapter windshield wiper which comprises a connector base, a mounting cavity is formed in the surface of the connector base, an upper cover is arranged above the connector base, and the bottom of the upper cover is mutually inserted into the mounting cavity; four steel sheet clamping jaws are integrally formed on the inner wall of the bottom of the connector base in an injection molding mode, clamping jaw containing grooves are formed in the positions, located on one sides of the four steel sheet clamping jaws, of the surface of the connector base respectively, bases are arranged on the two sides of the bottom of the upper cover, and the bases and the connector base are integrally formed in an injection molding mode. According to the utility model, the base is tightly attached to the inner wall of the mounting cavity, so that the mounting firmness of the upper cover and the connector base is improved; and meanwhile, through mutual matching of the steel sheet clamping jaw and the clamping jaw containing groove, installation of the connector base is facilitated, the problem that fixing needs to be achieved through bolts in the prior art is solved, the labor intensity during installation of the windshield wiper connector is reduced, and the working efficiency during installation of the windshield wiper connector is improved.

The invention relates to the technical field of motors, in particular to a wiper motor stalling detection method and device and a vehicle, and the method comprises the steps: obtaining the current input voltage of a wiper motor when the wiper motor is switched from a static state to a starting state; if the difference value between the current input voltage and the input voltage of the last period is smaller than or equal to a preset threshold value, the maximum current and the maximum starting time when the wiper motor meets the preset stable working condition are determined based on the current input voltage, and the starting duration and the starting current of the wiper motor from the static state to the starting state are obtained; and if the starting duration is greater than the product of the maximum starting time and a first preset coefficient, judging that the motor of the windscreen wiper is locked when the starting current is greater than the product of the maximum current and a second preset coefficient. Therefore, the problems that according to a motor stalling detection scheme in the prior art, the probability that stalling of the motor is detected by mistake is large, and the probability that the motor is damaged is increased are solved, the time for detecting the stalling working condition is shortened, and the wiper motor is better protected.

The invention relates to a windscreen wiper control method, device and equipment, a medium and a vehicle. According to the invention, the driving speed and the acceleration of the vehicle are introduced into the automatic windscreen wiper control logic, and the sensitivity of the automatic windscreen wiper and the cyclic wiping threshold value are correspondingly adjusted according to the difference of the driving speed and the acceleration; therefore, the difference between the windscreen wiper control strategies corresponding to the rainfall sensed by the user and the actual rainfall due to the running state of the vehicle is compensated, the requirement of a customer for automatic windscreen wiper under the current vehicle speed and rainfall is met, the driving experience of the user is improved, and the driving safety is guaranteed.

Systems and methods for predicting windshield wiper wear are provided. The system may comprise a vehicle comprising a windshield wiper. The windshield wiper may comprise a windshield wiper blade. The system may comprise one or more environmental sensors configured to generate environmental data of an environment of the vehicle, and a computing device. The computing device may comprise a processor and a memory. The memory may be configured to store instructions that, when executed by the processor, are configured to cause the processor to receive the environmental data from the one or more environmental sensors and calculate wear of the windshield wiper blade based on the environmental data.

The invention belongs to the technical field of rearview mirrors, and discloses a light-weight anti-dazzling rearview mirror and a manufacturing method thereof.The light-weight anti-dazzling rearview mirror comprises a shell, a scraping assembly and a driving assembly, one end of the shell is open, a baffle is connected to the inner wall of the side, close to the open end, of the shell, and a plurality of drainage holes are formed in the bottom end of the inner wall of the shell; according to the rearview mirror structure with the automatic water wiping function, the movable mirror surface and the wiping assembly capable of automatically sliding in a reciprocating mode are designed for solving the problem that the mirror surface of the rearview mirror is prone to being blocked by rainwater in the driving process in rainy days, and the sight line is affected, so that the rearview mirror can be automatically wiped under the condition that observation of a driver is not affected. A windscreen wiper is simulated to continuously clean the mirror surface, the mirror surface is effectively kept clear, the whole device is made of light materials, the functionality and the whole vehicle weight reduction requirement are both considered, the mirror surface has the anti-dazzling function, and the device is suitable for various safe driving scenes in complex weather and has high practicability and popularization value.

The invention relates to the technical field of vehicles, in particular to a vehicle control method and a vehicle. The purpose is to improve the vehicle cleaning effect in a complex vehicle environment. The vehicle control method comprises the steps of obtaining multi-modal environment data of a vehicle, determining a weight corresponding to each modal environment data in the multi-modal environment data, and determining a vehicle environment with the highest priority in at least one vehicle environment where the vehicle is located based on the weights and the multi-modal environment data. And windshield wiper equipment of the vehicle is controlled based on the vehicle environment with the highest priority. Through information complementation among all modal environment data, the stability and accuracy of vehicle environment recognition are improved, more complex vehicle environment recognition requirements are met, then cleaning of windshield wiper equipment is more suitable for cleaning requirements in the complex vehicle environment, and the cleaning effect on a vehicle is improved.

The utility model relates to the technical field of vehicle windshield glass cleaners, in particular to a windshield glass cleaning windshield wiper, which is characterized in that a windshield wiper main body comprises two single-steel-sheet windshield wiper plugs and a single-steel-sheet windshield wiper bracket assembly; the single-steel-sheet windshield wiper support assembly comprises a single steel sheet, a single steel sheet frame and a single steel sheet connector fixing steel sheet which are fixedly connected. The spray head flow guide cover assemblies are fixedly installed on the single-steel-sheet windshield wiper support assembly, and the two single-steel-sheet windshield wiper plugs are installed at the two ends of the single-steel-sheet windshield wiper support assembly respectively. The spray head flow guide cover assembly comprises a flow guide cover, a spray head and a spray head tee joint, the spray head tee joint is fixedly installed on the flow guide cover, and the spray head is fixedly installed on the spray head tee joint and communicated with the spray head tee joint in a sealed mode. The flow guide cover is further provided with a water spraying opening and a limiting clamping groove. The nozzle tee joint is mounted in the limiting clamping groove; the sprayer sprays water outwards through the water spraying opening. The cleaning device can clean stubborn dirt and cannot damage the wiper blade and the windshield glass.

The utility model discloses an auxiliary cleaning assembly and a windshield cleaning system, relates to the technical field of accessories for vehicles, and aims to solve the technical problems that complex stains such as insect corpses, muddy roads, heavy dust and the like cannot be effectively cleaned up, and a windshield wiper blade is frozen and is not defrosted, the auxiliary cleaning assembly comprises a third water spraying pot and a third water spraying motor, an accommodating space for accommodating insecticide or deicing agent liquid is formed in the third watering can; the third water spraying motor is electrically connected with the power source, and a water outlet of the third water spraying motor is connected with the water spraying pipe through a second water pipe. According to the windshield cleaning system provided by the embodiment of the utility model, the second water spraying kettle and the special water spraying motor are matched with all automobiles, the spraying head is mounted on the windshield wiper, and close-range follow-up spraying cleaning is realized along with swinging of the windshield wiper; according to different operation modes, complex stains such as insect corpses on the glass surface can be rapidly removed, frost on the glass can be rapidly removed, the frozen wiper blade can be rapidly removed, and common dust and stains on the glass can be cleaned by spraying water in one second.

The invention discloses an intelligent adjusting method and a control system for a windscreen wiper. The intelligent adjusting method comprises the following steps: acquiring real-time rainfall, visibility, vehicle speed, glass pollutant type and scraper abrasion loss data; inputting a windscreen wiper control decision model to output wiping frequency and strength; after executing the action, comparing with a glass definition correction model; and monitoring windscreen wiper part data to generate fault early warning. The system comprises a multi-source data acquisition module, an intelligent decision adjustment module, a self-adaptive optimization module and a fault monitoring and early warning module. Through multi-source data linkage and dynamic model correction, the problem that in the prior art, the wiping effect is poor due to the fact that wiper blade abrasion and pollutant types are ignored is solved, and the adaptability and safety of the windscreen wiper are improved.

The invention relates to the technical field of automobile accessories, in particular to a self-luminous safety windscreen wiper and a using method thereof.The self-luminous safety windscreen wiper comprises a steel sheet and a windscreen wiper strip installed at the bottom of the steel sheet; a base is installed on the outer wall of the steel sheet, a protruding base is fixed to the top of the base, and a windscreen wiper connecting piece is installed outside the protruding base. The windscreen wiper strip comprises a steel sheet, a mounting strip is mounted outside the steel sheet, an embedding groove is formed in the outer wall of the mounting strip, and a light-emitting strip is mounted in the embedding groove. Therefore, other road users (pedestrians and other vehicle drivers) can timely find and recognize the opposite vehicle in extreme weather, the risk of traffic accidents is reduced or even avoided, an additional warning function can be provided when the vehicle breaks down or road rescue is carried out, and the requirement for driving safety can be well met.

The invention relates to a windscreen wiper blade for a vehicle. The wiper blade at least one wiping strip configured to wipe a glazed surface of the vehicle, a stiffening member including a vertebra support and at least one vertebra configured to stiffen the wiping strip, a central mounting configured to be connected to a drive arm of the windscreen wiper blade, an air deflector connected to the vertebra support, two connectors rigidly connected to the at least one vertebra. The wiper blade also includes a spraying device configured to spray a washing fluid onto the glazed surface with spraying openings, and a washing-fluid distribution device configured to distribute washing fluid to the spraying device.

The utility model discloses an O-shaped ring assembling device and an automatic assembling device of an automobile windscreen wiper nozzle, the O-shaped ring assembling device comprises an O-shaped ring conveying mechanism, an upper carrier conveying mechanism, an O-shaped ring assembling mechanism and an assembling platform, the O-shaped ring assembling mechanism comprises an assembler and two lifting air cylinders connected with the assembler, an assembler of the O-shaped ring assembling mechanism is used for sleeving an O-shaped ring on the assembler through different lifting air cylinders, and the O-shaped ring is installed on an upper carrier. According to the O-shaped ring assembling device, O-shaped ring assembling is achieved through the O-shaped ring assembling mechanism comprising the assembler, the O-shaped ring assembling device is simple in structural design and rapid and efficient in assembling, and in addition, the O-shaped ring assembling device is low in manufacturing cost.

The invention provides a windscreen wiper water spraying control method and system, computer equipment and a medium, and the method comprises the steps that in response to a windscreen wiper starting instruction, the work stopping duration of a windscreen wiper is recognized; under the condition that the working stop duration exceeds the first preset duration, a water spraying system is controlled to directly spray water to the window glass; under the condition that the working stop duration does not exceed the first preset duration, a water spraying system is controlled to spray water to the vehicle window glass according to the current humidity of the vehicle window glass and the last vehicle washing working duration; and according to the gear and the vehicle speed of the current vehicle, the water spraying duration of the water spraying system is determined, and when the water spraying duration reaches a second preset duration, the windscreen wiper is controlled to wipe the vehicle window glass. Whether water is sprayed to the vehicle window glass or not before the windscreen wiper starts to wipe can be judged according to the conditions such as the opening interval time of the windscreen wiper, the humidity of the vehicle window glass, the vehicle washing mode state and the vehicle speed, so that the vehicle window glass can be cleaned more effectively, friction between the windscreen wiper and the vehicle window glass is reduced, and the service life of the windscreen wiper is prolonged.

The invention discloses multifunctional windshield washer fluid as well as a preparation method and application thereof. The windshield washer fluid contains siloxane with terminal reactive groups. The windshield washer fluid provided by the invention has good anti-icing performance, the adhesion strength of ice on the glass surface after the windshield washer fluid is applied is reduced by more than 10 times, and the windshield washer fluid has obvious anti-icing effect. The glass water disclosed by the invention can be sprayed at the temperature of-20 DEG C, so that an anti-fouling and anti-icing coating can be quickly formed on the surface of glass to meet the requirement of keeping the surface of the glass clean at low temperature in winter, and the low-adhesion effect of a solid pollution agent on the surface of the glass can be realized under extreme conditions; the deicing device is suitable for simple and rapid deicing of the glass surface in a glass icing environment in winter in northern China. A coating formed by the windshield washer fluid is small in surface tension and excellent in lubricating property, the friction force between glass and a wiper blade can be reduced, and then the service life of a windscreen wiper is effectively prolonged.

The utility model discloses a windscreen wiper structure and a vehicle, the windscreen wiper structure comprises a wiper arm assembly, the wiper arm assembly comprises a wiper arm shaft, the wiper arm shaft is internally provided with a liquid passing cavity, and the liquid passing cavity is communicated with a liquid passing pipe in the vehicle; the liquid spraying assembly comprises a nozzle and a communicating pipe, the nozzle is arranged on the wiping arm shaft, the communicating pipe is arranged in the liquid passing cavity, one end of the communicating pipe is communicated with the nozzle, and the other end of the communicating pipe is communicated with the liquid passing cavity. A liquid passing cavity is formed in the wiping arm shaft, a communicating pipe is arranged in the liquid passing cavity, one end of the communicating pipe is communicated with a nozzle, the other end of the communicating pipe is communicated with the liquid passing cavity, at the moment, connection of the in-vehicle liquid passing pipe and the out-vehicle nozzle can be achieved, water flow can be transported from the interior of the vehicle to the exterior of the vehicle, no extra fixing structure is needed for fixing the nozzle, and the structure is simple. The spray nozzle is simple in structure, convenient to install and capable of saving space, in addition, the spray nozzle can move through the rotatable communicating pipe, it can be guaranteed that sprayed water flow is always kept above the scraping piece, and the dry scraping condition is avoided.