1321 results about "Sunroof" patented technology

The invention discloses a multi-station cooperative control platform for an automatic production line of automobile sunroofs, and relates to the related field of intelligent manufacturing, and the platform comprises a standard working parameter collection module which is used for collecting and obtaining standard operation parameters; the skylight station processing quality evaluation result extraction module is used for extracting a quality evaluation result; the station quality centralized analysis module is used for performing centralized analysis on the quality evaluation result set and screening abnormal stations; the quality abnormal station association neighborhood construction module is used for constructing an abnormal station association neighborhood; the initial cooperative control scheme generation module is used for cooperative control; the overall cooperative control scheme analysis module is used for carrying out overall cooperative control analysis; and the multi-station cooperative control module is used for cooperative control. The technical problem of insufficient control flexibility and accuracy caused by lack of globality in existing skylight automatic production line control is solved, and the technical effect of improving the control flexibility and accuracy through globality cooperative control is achieved.

The invention relates to the technical field of coating detection, and provides an on-line detection method and system for the coating quality of automobile skylight glass. The method comprises the following steps: capturing a surface image of the automobile skylight through a high-resolution industrial camera to obtain a coating image data set; positioning the automobile sunroof, and performing defect identification on the coating image data set according to the position of the sunroof to obtain an image defect label group; performing classification according to the image defect label group, constructing a defect list, performing automatic sorting according to the defect list, and determining a coating sorting result; and carrying out quality detection on the automobile skylight glass coating according to the coating process information in combination with the coating sorting result, and generating a coating quality report. The technical problems of insufficient defect identification precision and inaccurate quality detection caused by glass reflection and shadow interference in automobile skylight glass coating quality detection are solved, and the technical effects of high-precision and high-efficiency automobile skylight glass coating quality detection and automatic sorting, and improvement of process stability and product quality are achieved.

The invention relates to an insert positioning detection mechanism and an automobile skylight framework plastic part injection mold thereof, the insert positioning detection mechanism comprises an insert, a positioning rod, a reversing valve, a second negative pressure mechanism, a positive pressure mechanism and a switching control assembly, the insert is detachably connected to a movable mold, the positioning rod is fixedly arranged on the insert, and the insert sleeves the positioning rod; the reversing valve is provided with an outlet, a first inlet and a second inlet, the first inlet communicates with the positive pressure mechanism, and the second inlet communicates with the second negative pressure mechanism; an air channel penetrates through the insert, one end of the air channel directly faces the insert, and the other end of the air channel is communicated with an outlet of the reversing valve; the switching control assembly is used for detecting whether the insert is installed correctly or not and controlling reversing of the reversing valve. When no insert is installed or the insert is installed correctly, the state of adsorbing the insert can be kept; and when the insert is reversely mounted, the outlet switch is communicated with the first inlet, and the positive pressure mechanism acts in the air channel at the moment, so that the insert can be automatically blown out of the positioning rod.

The invention relates to the technical field of functional materials, in particular to a polyvinyl butyral flexible material as well as a preparation method and application thereof. The molecular chain regularity is destroyed through an isobutyraldehyde branched chain, the crystallinity is reduced, and the flexibility is improved; cesium-tin co-doped tungsten oxide has high infrared rejection rate and good dispersity, and the influence on the flexibility of the material is reduced; magnesium salicylate and magnesium formate are compounded, so that the reaction activity with resin is reduced, and the bonding stability in the bending process is ensured; the flexibility and migration resistance of the material are synergistically improved through the flexible plasticizer, and the interlayer sheet is prevented from being sticky; the flexible reinforcing agent polycaprolactone micro powder is used for forming an elastic node, bending stress is absorbed, and the recovery performance is improved. The polyvinyl butyral flexible material provided by the invention has flexible bending performance, an efficient infrared barrier function and stable bonding performance, is suitable for scenes such as curved building curtain walls, special-shaped automobile sunroofs or arc-shaped rail traffic windows, and has a wide application prospect.

The utility model provides an automobile sunroof guide rail bending device, which relates to the technical field of automobile sunroof guide rail processing and comprises a base, the left end and the right end of the bottom of the base are fixedly connected with connecting support columns, the bottoms of the connecting support columns are fixedly connected with bearing support blocks, and the left side and the right side of the base are provided with connecting screw holes. The upper portion of the base is provided with an n-shaped connecting frame, the left side and the right side of the connecting frame are provided with first threaded holes, the first threaded holes and the connecting screw holes are vertically aligned, connecting bolts are assembled in the first threaded holes and the connecting screw holes in a meshed mode, and the connecting frame is provided with a stamping assembly; a circular supporting seat is fixedly connected to the middle of the top of the connecting frame, a hydraulic cylinder is fixedly assembled on the upper portion of the supporting seat, and meanwhile a first through hole is formed in the circle center of the supporting seat. And unqualified guide rail machining caused by stamping deviation is avoided.

The utility model provides an edge covering structure, a skylight assembly and a vehicle, the edge covering structure comprises a base and a soft body part, the base comprises a base body and a protrusion, the base body comprises a first supporting face, the protrusion is arranged on the first supporting face in a protruding mode and located on the edge of the first supporting face, the protrusion comprises an inner face, and the inner face is connected with the first supporting face; the inner surface inclines towards the first supporting surface and forms an included angle with the first supporting surface. The soft body part comprises a soft body and a shielding section, the shielding section is connected with the soft body, the shielding section is arranged at the end of the soft body in a protruding mode, the soft body is connected with the base body and the protrusion, and the shielding section protrudes relative to the protrusion and is opposite to the first supporting face in a spaced mode. The edge covering structure can adapt to the section types of various skylight glass, the edge covering structure does not need to be redesigned corresponding to each skylight glass type, and the cost of the edge covering structure and the cost of a forming mold for manufacturing the edge covering structure are saved.

The invention discloses a CTC-based method and system for stopping a traffic dispatching service in a high-speed railway skylight, which are mutually corresponding schemes, in the scheme, an information management and control subsystem based on CTC information management and control is designed for the refined stopping requirement of the traffic dispatching service in a skylight period, and the information management and control subsystem comprises two stages of modules, wherein the information management and control center module has an information deactivation strategy management function, and a refined service deactivation function is realized through mutual cooperation of the two stages of modules. Besides, in combination with information processing modes, namely forwarding, broadcasting, regeneration and splicing, of the application server and the station extension set, targeted information deactivation management and control measures are designed, the occupation amount of information management and control on channels and computing resources is reduced to the maximum extent, the station management and control pressure is dispersed, and the feasibility of information management and control subsystem and management and control service deployment is improved.

A sunroof assembly includes a bracket configured for attachment to a sunroof panel. The sunroof assembly also includes a guiderail supporting movement of the bracket, whereby movement of the bracket causes movement of the sunroof panel. The sunroof assembly further includes a housing defining a housing wall, wherein the housing wall and the guiderail form a boundary wall separating a wet area of the sunroof assembly from a dry area of the sunroof assembly, and wherein the bracket straddles the boundary wall such that a first side of the bracket is located in the wet area and a second side of the bracket is located in the dry area.

The invention relates to an outer sliding panoramic sunroof driving structure, the outer sliding panoramic sunroof driving structure comprises a front upwarp assembly, a rear upwarp assembly, a driving block, a mechanical arm and a flexible shaft hooking assembly.The front upwarp assembly and the rear upwarp assembly are arranged in sliding grooves corresponding to the driving block and are arranged in sliding rails at the same time, so that the mechanical arm is driven by the mechanical arm, and the flexible shaft hooking assembly is driven by the mechanical arm; the front upwarp assembly and the rear upwarp assembly are supported in a double-supporting mode, matched parts are evenly stressed, the impact strength of a mechanical set in the actuation process can be better absorbed, and the strength can well meet the use requirement. The front upwarp assembly and the rear upwarp assembly are hinged to the mechanical arm, the driving block, the front upwarp assembly, the rear upwarp assembly and the mechanical arm form a quadrilateral movement mechanism, and meanwhile, the quadrilateral movement mechanism is matched with the double-supporting structure, so that the two sides of the whole driving structure are evenly and stably stressed, and the situation that local stress is too large, friction resistance is increased, and other functions are affected is avoided; the stable action force can meet the requirement for repeated reciprocating action of opening and closing of the skylight.

There is provided a vehicle in which a sense of release can be given to an occupant as a passenger compartment can expand and vehicle seats can be freely arranged. A vehicle includes a vehicle body (1) and vehicle seats that are arranged in an interior space of the vehicle body (1). A sunroof (16) is provided to be switchable between a closed position (P1) at which an interior space of the vehicle body (1) is closed and an open position (P2) at which the interior space of the vehicle body (1) is opened. A lifting device (30) includes a lifting operation part (32) to be operated by an occupant, and moves a seat body (20) between a reference position (P3) and an upper position (P4) moved upward from the reference position (P3) as the lifting operation part (32) is operated. An upper end portion of a headrest (23) is disposed above the sunroof (16) having been in the closed position (P1) when the sunroof (16) is in the open position (P2) and the seat body (20) is in the upper position (P4).

The utility model relates to a slide rail structure capable of being used for a sunshade curtain or an insect-proof net of an automobile skylight, the slide rail is provided with a U-shaped wall with an inverted U-shaped cross section, and the middle part of the top surface of the U-shaped wall is sunken downwards to form a transition wall with a W-shaped cross section; an arc-shaped first installation cavity is formed in the left side portion of the transition wall, and an arc-shaped second installation cavity is formed in the right side portion of the transition wall. The inner cavity of the U-shaped wall provided by the sliding rail can be used for being connected with other parts in an insect-proof net or a sunshade curtain product in an inserted mode, the W-shaped transition wall is formed in the mode that the top face of the U-shaped wall is sunken downwards, and the overall height can be reduced.

The invention relates to the technical field of automobile part quality detection, and discloses a skylight guide rail defect visual detection method and system.The skylight guide rail defect visual detection method comprises the steps that multi-light-source cooperative illumination configuration is adopted for image collection and self-adaptive fusion processing; guide rail areas are identified through edge detection, and differentiation enhancement processing is carried out on all the areas; multi-scale features are extracted, and key features are enhanced through an attention mechanism; extracting a defect candidate area, performing nearest neighbor matching to judge a defect type, and updating a prototype vector according to a quality inspector feedback increment; a visual generation and human-computer interaction interface is adopted to display a detection result and output a quality evaluation report; according to the invention, the technical problems of difficult imaging of the high-reflection metal surface, inconsistent quality of complex structure images, difficult identification of multiple types of defects and low real-time detection and calculation efficiency are solved, and the real-time detection requirement of a production line is met.

The invention relates to the technical field of intelligent manufacturing and precision machining, and discloses a skylight guide rail clamp clamping force intelligent regulation and control method and system.The skylight guide rail clamp clamping force intelligent regulation and control method comprises the steps that multi-dimensional sensing data of a skylight guide rail clamp is obtained and preprocessed; acquiring a force displacement data pair and identifying a flexibility coefficient of the guide rail; the elasticity modulus is inversely calculated through the flexibility coefficient, and temperature correction is carried out; calculating theoretical stress distribution and a displacement field, and fusing and correcting the theoretical stress distribution and the displacement field with measured data of the sensor; evaluating stress safety, deformation stability and vibration stability; the current clamping force distribution is adjusted; the clamping force adjustment amount is calculated and converted into a control instruction for adjustment, the guide rail is machined, and quality detection is conducted; updating the quality prediction model, predicting tool wear and calculating compensation; according to the invention, through an online learning and adaptive optimization mechanism, the system can continuously learn and evolve and automatically adapt to changes of production conditions.

The invention relates to an automobile roof base material cutting device, and relates to the technical field of automobile roof cutting equipment, the automobile roof base material cutting device comprises an unwinding roller, a pressing die cutter, an upper die, a lower die, a first fixing frame and a feeding assembly, the upper end of the first fixing frame is fixedly connected with a pressing die oil cylinder; the telescopic end of the die pressing oil cylinder vertically and downwards penetrates through the first fixing frame to be fixedly connected with the upper end face of the upper die, two rails are arranged in the first fixing frame, the upper die is located between the two rails, the feeding assembly is slidably connected with the rails in the direction perpendicular to the base material conveying direction, and a second fixing frame is arranged on the side, close to the unwinding roller, of the upper die. A cutter frame is slidably connected into the second fixing frame in the vertical direction, the die pressing cutter is slidably connected with the cutter frame in the direction perpendicular to the sliding direction of the feeding assembly, the upper die comprises a skylight cutter, the upper end face of the upper die is fixedly connected with a lower pressing cylinder, and the outer side of the upper die is sleeved with a burr cutter sliding in the vertical direction in the circumferential direction. The device has the effect of improving the production efficiency and the product quality.

The invention discloses a vehicle accident emergency escape system which comprises an independent power supply module, a multi-mode sensor array, an intelligent control unit and an execution driving module. The state of a vehicle is monitored in real time through the multi-sensor fusion technology, when accidents such as collision, fire or falling into water are detected, the system is automatically switched to an independent power source, a glass lifting motor is directly driven to forcibly open vehicle windows, a skylight and a trunk door, and an emergency escape channel is provided for people in the vehicle. One-key forced full-open and voice prompt functions are configured, and the independent power supply part is waterproof and fireproof, so that reliable work in an extreme environment can be ensured.

A thermal shade for an automobile having a panoramic roof includes an elongated jacket sized to overlay a vehicle's panoramic roof and a thermally insulating layer sandwiched within the jacket. Magnetic tape strips or individual magnets are located along the perimeter of the jacket and provide means for securing the thermal shade to the automobile. The thermal shade has a streamlined appearance and does not obscure the automobile's doors or door windows and does not interfere with the vehicle's security camera.

The utility model relates to a frame assembly capable of being used for a sunshade curtain or an insect-proof net of an automobile skylight, which comprises two sliding rails respectively arranged on two sides, a first panel and a second panel, the slide rail has a bottom plate; the end parts of one ends of the two sliding rails are positioned on the first panel; the other ends of the two sliding rails are located on the second panel. And the bottom surface of the bottom plate, the bottom surface of the first panel and the bottom surface of the second panel jointly form a decorative surface of the frame. According to the sliding rail, the bottom face of the bottom plate, the bottom face of the first panel and the bottom face of the second panel are jointly spliced to form a decoration face, the decoration effect can be achieved, a decoration plate is omitted, the overall height is reduced, the occupied space in a vehicle is saved, and meanwhile the falling risk caused by traditional adhesion of the decoration plate is avoided.

In a sunroof apparatus (30), a rear link (150) includes a base portion (151) having a plate shape and a covering portion (152) being made of a resin material and covering the base portion (151). The covering portion (152) includes a sliding surface (155) that slides on a sliding shaft (184). The sliding surface (155) is located off the base portion (151) in a width direction.

The invention discloses a photovoltaic air conditioning system for a flexible photovoltaic skylight of a new energy automobile, which belongs to the technical field of air conditioning power supply and comprises an air conditioning system, a photovoltaic skylight, a convergence device, a vehicle-mounted battery, a storage battery, an inverter, an air port and a control system. The air conditioning system, the convergence device, the vehicle-mounted battery, the storage battery, the inverter and the control system are all arranged below an engine hood of the automobile, and the photovoltaic skylight is installed on the top of the automobile. According to the photovoltaic air conditioning system related to the flexible photovoltaic sunroof of the new energy automobile, photovoltaic electric energy generated by the photovoltaic sunroof can be directly supplied to the air conditioning system for operation, surplus electric quantity can be stored through the storage battery, and energy waste is avoided.

The utility model discloses a panoramic sunroof glass assembly inspection tool for automobiles, which belongs to the field of panoramic sunroof inspection. The inspection component comprises a bottom plate, a positioning sleeve is installed on the upper end of the bottom plate, a simulation block is installed on the upper end of the positioning sleeve, a plurality of connecting shafts are installed on the upper end of the bottom plate, a worm reducer is connected to the side surface of one of the connecting shafts, a lifting connecting rod platform is installed between the plurality of connecting shafts, a plurality of guide rails are installed on the surface of the bottom plate, and a turning mechanism is installed on the upper ends of the plurality of guide rails. The utility model can not only perform all-round inspection on the panoramic sunroof glass by cooperating with a stabilizing component, but also can fine-tune the inspection tool according to the glass of different sizes, so as to improve the clamping stability, thereby improving the safety of the inspection tool in use. At the same time, the above structures cooperate with each other, so as to facilitate the mobile use while improving the overall stability of the inspection tool, thereby improving the convenience of use of the inspection tool.

A method for automatically controlling an in-cabin environment for a passenger in an autonomous vehicle includes monitoring a state of the passenger via a video sensor; determining whether the state of the passenger corresponds to one of preset states of a predetermined number; and adjusting, when the state corresponds to the one of the preset states, any one or any combination of any two or more of a seat, an air conditioning system, a lighting system, a sound system, a variable window tinting, and a variable sunroof of the autonomous vehicle based on the state. The determining of the state of the passenger includes detecting a plurality of determination target objects from a video of the video sensor, cropping an image of each of the plurality of determination target objects, and determining whether the state of the passenger corresponds to the one of the preset states.

The utility model discloses an automobile sunroof frame welding processing clamp which comprises a base, a side seat is fixedly installed on one side of the top end of the base, a groove is formed in the side wall of the side seat, a lower pressing plate is arranged on the inner side of the groove, a protective pad is arranged at the bottom of the lower pressing plate, and the protective pad is arranged on the bottom of the lower pressing plate. A guide rod is fixedly installed at the top end of the lower pressing plate, and the outer surface of the guide rod is sleeved with a first spring. According to the automobile sunroof clamping and limiting device, the side seat lower pressing plate and the buffer seat are combined, so that the automobile sunroof can be conveniently and effectively clamped and limited subsequently, the stability of the automobile sunroof in the subsequent welding process is ensured, and the situation that the accuracy of subsequent welding is affected due to position deviation is prevented; according to the automobile sunroof welding device, the automobile sunroof can be effectively positioned through the arrangement of the buffering base, so that it is guaranteed that the position of the automobile sunroof cannot deviate in the subsequent welding process, and the welding accuracy is improved.

The invention provides a low-carbon intelligent safety roof system based on multi-information interaction, and the system comprises a roof integrated control module which achieves the integrated control based on an automobile roof structure. The layered structure is adopted, structures with different functions are mounted and integrated in a layered mode, the multifunctionality of an automobile roof is improved, sunroof palm print / gesture unlocking is adopted, a sunroof can be rapidly opened for escape in an emergency, CO2 / smoke concentration, temperature and infrared thermal imaging recognition in an automobile and accumulated water liquid level height are monitored in real time, and the safety of the automobile is improved. Through opening and closing of a roof skylight, an in-vehicle air conditioner, in-vehicle spraying and air exhaust ventilation, various problems of harming life and property safety during running or stopping of various automobiles are effectively avoided, and roof integrated control independent of an automobile console and low-carbon and environment-friendly manufacturing materials are adopted. Intellectualization, safety and low carbon of the roof are achieved through multi-information interaction, the limitation of single function design of a traditional roof system is broken through, and multifunctionality of the automobile roof is achieved.

The invention provides a guiding assembly, a sunroof and a vehicle, the guiding assembly is used for being installed on a sunroof frame so as to reduce the running resistance of a sunroof part on the basis of improving the guiding accuracy of the sunroof part, and the sunroof frame comprises a frame body and a guide rail arranged on the frame body; the sunshade piece comprises a reel arranged on the frame body, a roller shutter with one end wound on the reel and a sliding body connected with the other end of the roller shutter, the guide assembly comprises an outer blocking piece which is arranged between the guide rail and the reel and comprises an outer connecting body, an outer stopping body and a convex body, the outer connecting body is connected with the frame body, the outer stopping body is obliquely connected with the outer connecting body, and the convex body is connected with the outer connecting body; the convex body is connected with one side, facing the frame body, of the outer stop body; the inner blocking piece is arranged between the guide rail and the reel and comprises an inner connecting body and an inner stopping body, the inner connecting body is connected with the frame body, the inner connecting body and the outer blocking piece are arranged in a spaced mode, the inner stopping body is obliquely connected with the side, facing the outer stopping body, of the inner connecting body, and the inner stopping body and the outer stopping body are arranged in a spaced mode to form a guide opening; the guide opening is used for guiding the roller blind and the sliding body into the guide rail.

The invention provides a ship emergency power generation combined module, a building method and a ship engine room, and the ship emergency power generation combined module comprises a cavity structure, emergency power generation equipment, a fuel pipe system and a cable. The cavity structure is an independent structure formed by splicing a bottom surface structure, a top surface structure and a side wall structure. The top surface structure is provided with a skylight used for hoisting emergency power generation equipment in and out, the top surface structure is provided with a lifting lug, the side wall structure is provided with a cabin penetrating piece used for a cable to pass through, and the side wall structure is provided with a watertight door; a ventilation device is mounted on the cavity structure; the emergency power generation equipment is mounted in the cavity structure; and the fuel piping system and the cable are laid in the cavity structure. According to the ship emergency power generation combined module, the ship emergency power generation equipment, the pipe system and the cable are integrally designed to form a comprehensive unit similar to a ship section form, so that the ship emergency power generation system can be assembled and debugged in advance, and the ship assembly and debugging progress can be integrally improved.

The invention relates to a high-tightness automobile skylight guide rail with a limiting function, and relates to the technical field of automobile skylight systems. The device comprises a window formed in an automobile roof, a movable groove connected with the window is formed in the automobile roof, a driven guide rail for controlling the window to be opened and closed is arranged in the movable groove, a driving guide block located in the movable groove is further arranged on the driven guide rail in a sliding mode, and a sealing component and a limiting component are arranged on the two sides of the driven guide rail respectively. The sealing performance between the automobile roof window and the glass arranged on the guide rail is improved through the sealing part, and the moving distance of the automobile skylight guide rail is achieved through the limiting part. The limiting component achieves smooth speed reduction of the driving guide block through clamping friction between the ceramic piece and the friction piece, the rigid collision problem of a traditional rigid stop is thoroughly solved, and the situation that the driving guide block deforms during collision, blocks the driven guide rail and cannot move is avoided.

The invention relates to the technical field of automobile skylight sunshade curtains, in particular to a sunshade curtain control method, device, controller and system and a vehicle. After the state of the sunshade curtain is automatically recognized, the key state corresponding to the state of the sunshade curtain is fed back to the switch interface containing the sunshade curtain key, the target operation signal generated after the target operation is carried out on the sunshade curtain key based on the key state is received, and the control signal for controlling the sunshade curtain is generated according to the target operation signal and the state of the sunshade curtain; generating a corresponding sunshade curtain instruction according to the control signal and the state of the sunshade curtain, and controlling the sunshade curtain according to the sunshade curtain instruction. Therefore, the automatic control of the sunshade curtain is realized, the control operation of the sunshade curtain is simplified, and the operation convenience is improved.

The invention relates to a skylight sliding block bending forming device, and belongs to the technical field of metal material bending forming. The skylight sliding block bending forming device comprises a bottom plate, two sets of vertical plates are arranged on the two sides of the bottom plate, the vertical plates are fixedly connected with the bottom plate, a stamping mechanism is arranged at the tops of the two sets of vertical plates, and a forming mechanism is arranged on the bottom plate between the two sets of vertical plates; the forming mechanism comprises a rotating traction device and a workpiece mold device, the workpiece mold device is detachably connected to the bottom plate, the rotating traction device is rotationally connected to the workpiece mold device, a driving device is arranged on the bottom plate on one side of the vertical plate, and the driving device provides power for rotation of the rotating traction device; the bending device has the technical effects that damage to the surface of the workpiece is reduced, and continuous and progressive bending is achieved.

The embodiment of the utility model provides a skylight structure and a vehicle. The sunroof structure includes: glass; the sunshade curtain is arranged opposite to the glass; the covering part covers the edge of the glass, a containing cavity is formed in the covering part, a flexible shaft is installed in the containing cavity, and the flexible shaft is in transmission connection with the sunshade curtain so as to drive the sunshade curtain to be unfolded or folded. According to the embodiment of the invention, the Z-direction space occupied by the skylight structure can be reduced, so that the skylight structure is simpler, the manufacturing cost of the skylight structure is reduced, and the layout of the skylight structure on the vehicle is simpler.

The utility model relates to an automobile skylight guide rail structure which comprises a guide rail body, a sliding groove is formed in the top of the guide rail body, a support is installed at the bottom of the guide rail body, drainage grooves are formed in the two sides of the top of the support, a water guide groove is formed in the bottom side in the support, and the bottom ends of the drainage grooves are communicated with the water guide groove. One side of the support is fixedly connected with a water drainage pipe, one end of the water drainage pipe is communicated with the water guide groove, the interior of the water guide groove is connected with two sets of filtering frames, the two sets of filtering frames are located between the water drainage grooves and the water drainage pipe, and when rainwater is drained, each filtering frame moves to the bottom end of the corresponding water drainage groove coaxially. According to the rainwater drainage device, particle impurities contained in rainwater can be effectively prevented from directly entering the drainage pipe, and the situation that the drainage effect is affected due to the fact that the drainage pipe is blocked is avoided.