64results about How to "Good appearance consistency" patented technology

The invention discloses equipment for direct hot-press molding of a paper pulp roll, and relates to the field of paper manufacturing. According to the scheme, a cutting area is reserved on a surface layer, the surface layer covers a cutting surface through a vibration base of a mold core assembly, and the problems of fiber burr exposure, loose structure and damp pollution caused by exposure of the cutting surface are solved; the folded and covered surface layer provides lateral limiting force in the hot pressing process, the compactness of the edge is enhanced, the middle cutting face is prevented from loosening, meanwhile, through axial friction force generated by reciprocating motion of the vibration base, it is further ensured that the surface layer and the cutting face are stably attached, material rebound and covering loosening are prevented, and the interlayer slippage condition is prevented; instantaneous impact force is generated through sliding impact of the vibration seat on the buffer cushion, so that the pressing effect of the surface layer in the hot pressing process is enhanced, the cutting surface is tighter and smoother, fiber looseness and tiny gaps are reduced, the edge sealing quality is improved, the protection effect of the cutting surface is improved, and the bonding strength of the surface layer and paper pulp is improved.

The invention discloses an ellipsoid curved glass curtain wall installation method based on BIM cooperative positioning. The ellipsoid curved glass curtain wall installation method comprises the five steps of building a BIM model, determining control points, conducting field measurement and positioning, installing curtain wall units and conducting cooperative positioning adjustment. Ellipsoid parameters and glass unit sizes are determined through a BI model, key control points are selected, field measurement is carried out, actual and theoretical coordinates are compared, installation is started from the center of the bottom, the position is monitored and adjusted in real time, and precision is ensured. According to the method, efficient and accurate installation of the ellipsoid curved glass curtain wall can be achieved, and the construction efficiency and the engineering quality are improved.

The invention discloses a low-beam broadening focal line lens, a related lens module and a related lighting module, and relates to the technical field of car lamps, the low-beam broadening focal line lens comprises a first curved surface, a first total reflection surface and a second total reflection surface which are integrally formed, and a beam of parallel light enters from the first curved surface, is converged through the first curved surface and then enters the second curved surface; the light is reflected by the first total reflection surface and the second total reflection surface and is converged on a focal line; longitudinal focusing is achieved through the integrally-formed focal line lens structure, so that transverse focusing and longitudinal focusing are separated, the longitudinal focal length is larger than the transverse focal length, and a low-beam broadening light type wide in the transverse direction and narrow in the longitudinal direction can be achieved conveniently. The integrally-formed focal line lens is a single-layer lens, Fresnel loss is effectively reduced, total reflection is utilized, a light path can be folded, the size can be shortened, the size and weight of the lens are reduced while the lighting effect is improved, and energy saving and cost saving are facilitated; meanwhile, the refraction is less, the dispersion of projected light is small, and the color uniformity is good; the lens is good in static appearance consistency, and different modeling requirements can be met.

The invention relates to the field of mechanical part machining counting, in particular to an automatic production system and method for a metal workpiece anodic oxidation process, and the production system comprises a material frame for hanging a hanging tool, an AGV trolley for transferring the material frame, an up-down skeet system and a crown block system; the top of the hanger is provided with a front hook and a rear hook, the inner side of the front hook is provided with a power connection sheet, and the front hook is provided with a set screw; the upper and lower skeet system comprises a track arranged in the front-back direction, a skeet temporary storage frame, a hanging tool locking system, a feeding and discharging wharf and a skeet transferring system, wherein the skeet temporary storage frame, the hanging tool locking system and the feeding and discharging wharf are sequentially arranged along the track from front to back. The hanger locking system comprises a servo system and an electric wrench, and the servo system drives the electric wrench to align with and tighten / unscrew a set screw of the hanger; the crown block system comprises a high-altitude track and a carrier moving along the high-altitude track, and the carrier can grab / release the skeet. By means of the system, flying target up-down operation of the hanging tool can be fully automatically carried out in the anodic oxidation production process.

The invention provides a small-opening low-beam module system which comprises a low-beam lens body, a low-beam light source module, a low-beam main light type total reflection module, a low-beam auxiliary light type total reflection module and a low-beam light-in lens module are arranged at the light-in end of the low-beam lens body, and a low-beam light-out lens module is arranged at the light-out end of the low-beam lens body; a cut-off line area is formed between the low-beam main light type total reflection module and the low-beam auxiliary light type total reflection module; the low-beam main light type total reflection module and the low-beam auxiliary light type total reflection module are located on the upper side and the lower side of the cut-off line area respectively. A traditional low beam optical system is optimized and simplified into one part which is only provided with the light inlet face, the total reflection face and the light outlet face, and the design of a module with an extremely small opening can be achieved.

The invention relates to the technical field of drying ovens for processing, and discloses a drying oven for water-based PU leather processing and a drying method.The drying oven comprises a preheating cavity and a primary drying cavity formed in one side of the preheating cavity, a main cavity is fixedly assembled on the side, away from the preheating cavity, of the primary drying cavity, and a final drying cavity is fixedly assembled on the side, away from the primary drying cavity, of the main cavity; a sliding rail mechanism is fixedly mounted on the inner side wall, perpendicular to the primary drying cavity, of the preheating cavity, a winding roller is slidably assembled on the side, away from the preheating cavity, of the sliding rail mechanism, and a medium-wave infrared lamp tube is fixedly mounted at the top end, facing the winding roller, of the interior of the preheating cavity. A first lamp tube set is fixedly installed on the inner side wall, perpendicular to the medium-wave infrared lamp tube, of the primary drying cavity. According to the invention, a sectional structure of the preheating cavity, the primary drying cavity, the main cavity and the final drying cavity is adopted, and differential heating assemblies of all the cavities are matched, so that a gradient drying process is realized, and the defects caused by rapid drying of a single cavity are thoroughly avoided.

The utility model relates to the technical field of hemp sheet production discloses a simple and easy rolling device, both ends of transmission shaft all fixedly connect with screw head, the top of compression roller is equipped with the scraper, and the scraper includes the storage rack, guide slot and screw rod, the both sides of storage rack all are longitudinally provided with guide slot, and the inside vertical penetration of storage rack has screw rod, and both ends of storage rack all fixedly connect with fastening ring, the bottom fixedly connected with scraper of adjusting plate, and the external thread of screw head is equipped with antiskid cover, adjustable scraper is installed on the top of compression roller, can effectively and evenly scrape off the mixture material such as sesame, molasses attached to the surface of compression roller, one aspect of this design avoids the rolling sheet thickness uneven, surface uneven etc. problem caused by too much material attachment, significantly improves the forming quality and appearance consistency of hemp sheet, on the other hand, the scraped material is guided back to the processing area, reduces the raw material waste, and is favorable for reducing production cost.

This invention relates to a coating device for a winding machine, comprising a fixed plate and several coating units. The fixed plate has a through hole in its center for a sample to pass through. The coating units are evenly arranged along the outer circumference of the through hole and are movably connected to the fixed plate. Each coating unit has a cutting part for cutting the wire end and a pressure sensor for detecting the coating pressure. A heating unit for heating the sample surface is provided on the fixed plate on one side of each coating unit. The advantages of this invention are: by using pressure sensors on the coating units to detect the coating pressure in real time, the position of the coating units can be adjusted according to the pressure signal, thereby ensuring that the pressure remains consistent throughout the coating process, avoiding excessive coating pressure that could damage the sample, improving the uniformity of the coating layer, and reducing the scrap rate. Furthermore, this invention also provides a winding machine including the aforementioned coating device.

This invention relates to the field of freeze-drying technology, specifically to an intelligent vacuum freeze dryer and its usage method. The dryer includes a main unit and a pre-freezing vacuum chamber within it, a shelf placed inside the pre-freezing vacuum chamber, the shelf having an internal cavity and a main gas inlet at its bottom for gas to enter the internal cavity; a carrying tray with multiple evenly arranged internal components for storing materials, the tray having multiple planar grids and heating elements for releasing heat, multiple push rods for moving materials within the planar grids, and an adjustment component for adjusting the position of the push rods according to different usage environments; and side rotating columns with multiple evenly rotatable components connected to the sidewalls of the carrying tray, each side rotating column having multiple exhaust ports, and the carrying tray having an efficiency-enhancing component for driving the side rotating columns.

The utility model relates to the field of gas water heater, especially a kind of external solar power generation fan smoke exhaust device.The external solar power generation fan smoke exhaust device includes smoke exhaust hood, and the smoke exhaust hood is externally connected with fan, the top of the fan is equipped with smoke exhaust pipe, solar panel and battery are equipped on the smoke exhaust hood, and the solar panel can charge battery.The external solar power generation fan smoke exhaust device provided by the utility model has the advantages of solving the problem of lack of power supply outdoors, actively carrying out smoke exhaust, and good smoke exhaust effect.

This utility model discloses a mosquito repellent bottle with an internal component, including a bottle body and an internal component. The bottle body has an inner cavity for containing the mosquito repellent. The internal component can be a real flower, dried flower, branch, artificial flower, wooden strip, etc., and is placed at an angle inside the bottle body. The bottle body is provided with a positioning structure that can position the internal component. The positioning structure can better position the internal component inside the bottle, reducing the occurrence of displacement of the internal component during assembly and transportation, resulting in better appearance consistency of the mosquito repellent bottle. Furthermore, the angled internal component can easily avoid the core rod inserted from top to bottom, reducing the impact on the normal assembly of the core rod and improving the product qualification rate.

The present application relates to a hub automatic polishing track generation method and device based on point cloud and template, first relying on hub geometric constraint to align real-time point cloud and template point cloud reference coordinate system and correct point cloud, then solving pose transformation matrix, adaptive mapping polishing track. Geometric constraint pre-locks matching optimization range, relieves single camera local point cloud and complete template cross-mismatch, normal offset defects, prevents grinding head overcut or burr residue. Pre-geometric correction offsets die casting deformation, millimeter-level positioning error, provides high-quality initial point cloud for pose solving, improves registration convergence stability, overcomes the problem of few features of hub smooth surface and easy failure of direct registration. The present application generates exclusive polishing track for each hub, replaces teaching robot fixed track blind punching, does not need artificial continuous debugging, improves batch workpiece polishing consistency, avoids artificial polishing dust noise, unstable quality and high labor cost.

The utility model belongs to the field of photovoltaic power generation, and particularly relates to an integrated assembly type photovoltaic tile device which comprises a plurality of photovoltaic tile units, each photovoltaic tile unit is provided with an assembly frame, and the photovoltaic tile units are assembled with one another and installed on a tile hanging strip. Each photovoltaic tile unit comprises a plurality of battery pieces which are back contact battery pieces with grid lines integrated on the back face and are distributed in a rectangular array mode. The positive electrodes and the negative electrodes of the adjacent battery pieces in each row abut against each other, the back surfaces of the adjacent battery pieces are connected through interconnecting strips, and the half-cut battery pieces are laminated, welded and connected in series to form n rows of long-strip-shaped battery panels, and n is larger than or equal to n; the anodes at one ends of the n rows of cell panels are gathered and connected in parallel, and the cathodes at the other ends are gathered and connected in parallel and are respectively led out by bus bars; according to the back contact battery piece integrated on the back face through the grid lines, the appearance color can be unified, shielding of the interconnection strips is reduced, the power generation efficiency is higher, in addition, through the arrangement of the assembly frame, installation is convenient and efficient, and fragmentary parts are reduced on the whole.

The utility model relates to the technical field of spraying devices, and discloses a spraying device for floor processing, which comprises a base and a movable sliding table, the movable sliding table is arranged at the end part of the base, the movable sliding table comprises an X-axis movable sliding table and a Z-axis movable sliding table, the X-axis movable sliding table is arranged at the side part of the Z-axis movable sliding table, a driving block is arranged at the side part of the X-axis movable sliding table, and the Z-axis movable sliding table is arranged at the side part of the Z-axis movable sliding table. A spraying machine is installed on the side portion of the driving block, the driving block and the spraying machine are used in cooperation, through the arrangement of a movable sliding table body and an X-axis sliding rod, servo motors on the side portions of an X-axis fixing block and a rotating shaft fixing block drive an X-axis threaded rod and a Z-axis threaded rod to rotate, so that the spraying machine moves forwards or transversely, and when the spraying machine completes one-time spraying, the X-axis sliding rod is rotated, and the X-axis sliding rod is rotated to drive the X-axis threaded rod and the Z-axis threaded rod to rotate; and the spraying machine conducts secondary spraying, the path of the spraying machine is wider through the corrugated X-axis sliding rod, and wider spraying coverage on one floor can be achieved through multiple times of spraying.

This invention relates to the field of packaging machinery technology, and more particularly to a mesh bag threading machine, comprising: a mesh bag opening support assembly, wherein the opening edge of the mesh bag can be fitted onto the mesh bag opening support assembly; a mesh bag folding assembly, which can drive the opening edge of the mesh bag on the mesh bag opening support assembly to fold and deform; and a threading assembly, which can drive the rope to pass through the folded and deformed opening edge of the mesh bag. The mesh bag threading machine provided by this invention reliably positions and supports the opening of the mesh bag by setting the mesh bag opening support assembly, and automatically folds and shapes the opening edge in conjunction with the mesh bag folding assembly, and then automatically threads the rope in conjunction with the threading assembly. This allows the opening, folding, and threading processes to be connected in an orderly and continuous manner, thereby significantly improving the automation level of the processing process and the overall production efficiency, reducing manual intervention and operational errors; at the same time, the coordinated cooperation of each functional module helps to ensure the consistency of the mesh bag opening shaping and the threading position, improving the stability of product processing quality.

The application discloses an electronic device, and belongs to the technical field of communication. The electronic device comprises a shell and a decoration assembly. The shell is provided with a mounting hole. The decoration assembly comprises a decoration main body, a transparent ring, a lens, a first adhesive and a second adhesive. The decoration main body is mounted in the mounting hole. The lens is arranged on the decoration main body. The outer surface of the decoration main body is provided with an annular textured surface. The transparent ring is arranged around the decoration main body and opposite to the annular textured surface. The transparent ring is provided with a first surface and a second surface arranged oppositely. The first surface is located on the side of the transparent ring away from the shell. The second surface is located on the side of the transparent ring towards the shell. The side of the decoration main body away from the shell extends towards the direction of the transparent ring to form an annular covering area extending along the circumference of the transparent ring. The annular covering area covers at least part of the first surface. The first adhesive is arranged between the annular covering area and the first surface. The second adhesive is arranged between the second surface and the outer surface of the shell.

The invention relates to the field of molds, in particular to a plastic part injection molding mold which comprises a mold body formed by combining a lower mold frame and an upper mold frame. The lower mold core is fixedly arranged on the lower mold frame; the upper mold core is fixedly arranged on the upper mold frame; a mold cavity and a mold core which are used for injection molding of the charging gun sheath are arranged between the lower mold core and the upper mold core; the follow-up cutting module is arranged between the lower mold core and the upper mold core and comprises a cutting assembly, and the cutting assembly is used for cutting a stub bar between the charging gun sheath and the sprue after injection molding; the association assembly is used for controlling the cutting assembly to execute material head cutting and pouring gate avoiding actions along with mold opening and closing of the upper mold frame and the lower mold frame; by arranging the follow-up cutting module, in-mold follow-up cutting of the stub bar is achieved, the stub bar cutting procedure and the injection molding and mold opening procedure are effectively integrated, the overall production takt is greatly shortened, and the production efficiency is improved.

The invention discloses an air bag cover plate structure and a manufacturing method thereof, the air bag cover plate structure comprises a driver sign and a cover plate, the driver sign comprises a visual part and a fixed part, the visual part and the fixed part are located on different planes, and the fixed part is arranged around the circumferential direction of the visual part; the mark and the cover plate are integrally formed in an injection molding mode in an insert mode, the fixing part is locked in the cover plate through an injection molding material of the cover plate, and the visible part forms a visible area of the outer surface of the cover plate. According to the air bag cover plate structure, a traditional buckle assembly mode is replaced, the assembly gap between the driver sign and the cover plate is eliminated from the source, the surface difference problem caused by poor attachment of the driver sign and the cover plate is solved, and the appearance consistency and the visual quality of the outer surface of the air bag cover plate are greatly improved.

The application discloses a portable plastic pipe surface roughening device and belongs to the field of pipeline processing equipment. The device comprises a shell body, a motor and sandpaper. One end of the shell body is provided with an opening, and the opposite end is provided with an end cover. The end cover is provided with an opening and a power switch. An annular convex block is arranged on the inner wall of the shell body close to the opening. The annular convex block and the inner wall of the shell body are respectively provided with an upper taper surface and a lower taper surface. The motor is arranged in the shell body. An elastic member is arranged between the motor and the end cover. A trigger type timing switch is arranged on the top of the motor. The transmission shaft of the motor is connected with an adapter disc. The adapter disc is connected with a sandpaper mounting bracket in a detachable mode. The sandpaper mounting bracket is provided with sandpaper. The end of the sandpaper mounting bracket is provided with a bent part. The bent part is provided with a back taper surface corresponding to the lower taper surface. The portable plastic pipe surface roughening device can improve the appearance consistency of products, improve production efficiency and reduce production cost.

The utility model discloses a tin soldering device for sensor assembly, which comprises a four-axis mechanical arm, a lifting assembly and a guide pipe, an angle adjusting assembly is mounted on the four-axis mechanical arm, the angle adjusting assembly is connected with a lifter, a welding gun is mounted at the lower end of the lifter, the lifting assembly is connected with the lifter, and the guide pipe is connected with the lifting assembly. An exhaust pipe is mounted on the lifting assembly, the guide pipe is connected with the lifting assembly, and a tin bar is inserted into the guide pipe; the four-axis mechanical arm can flexibly control the welding gun to move, the lifter finely adjusts the height of the welding gun, precise welding is achieved, the problems that production efficiency is low and the reject ratio of sensors is high are solved, the produced sensors are better in appearance and quality consistency, the exhaust pipe extracts smoke generated in the tin soldering process, the smoke is prevented from diffusing into the environment, air is kept fresh, and the production efficiency is improved. The operation comfort is improved, and the risk of soldering tin smoke is remarkably reduced.

The invention relates to the technical field of traditional Chinese medicine concentrated pills and preparation thereof, in particular to traditional Chinese medicine concentrated pills for treating cardiovascular and cerebrovascular diseases and a preparation method of the traditional Chinese medicine concentrated pills. The concentrated traditional Chinese medicine pill is prepared from the following raw materials in parts by weight: radix astragali seu hedysari, ginseng under forest, radix ophiopogonis, fructus schizandrae, radix paeoniae rubra, semen persicae, cortex moutan, radix angelicae sinensis, poria cocos, rhizoma chuanxiong, saffron crocus, salvia miltiorrhiza bunge, pseudo-ginseng and the like, wherein the radix astragali seu hedysari, the salvia miltiorrhiza bunge and the ginseng under forest are prepared into standard fermented traditional Chinese medicine powder through a micro-fermentation process combining an ancient method and a modern method; and carrying out low-temperature full-wall-breaking superfine grinding on the other raw materials to obtain superfine powder. Through cooperation of low-temperature wall-breaking superfine grinding, controllable micro-fermentation and solid dispersion slow-release forming, effective components are released more sufficiently, absorption is more stable, batch-to-batch consistency is better, taking is more convenient, and better storage stability is achieved.

This invention discloses a deep learning-based video generation method and system, comprising the following steps: acquiring input content including text instructions and reference images, generating a scene layered relationship graph and visual patch tokens; constructing persistent relationship features based on the scene layered relationship graph and local relationship fragments and encoding them into a persistent relationship token sequence; inputting the noisy persistent relationship token sequence into a topology-aware DiT model to generate a dynamic topology graph sequence; generating a depth map sequence and an object index map sequence based on the dynamic topology graph sequence, and establishing an object continuity directory; inputting the noisy visual patch tokens and the object continuity directory into a geometry-guided DiT model to obtain a video latent space feature sequence; performing spatiotemporal consistency decoding, and outputting the target video stream. This invention improves relationship consistency, occlusion recovery capability, and spatiotemporal continuity in the video generation process.

The application provides a deformation-resistant paperboard for a packaging box and a preparation method thereof. The deformation-resistant paperboard comprises two layers of cardboard and a core layer arranged between the two layers of cardboard. The core layer comprises the following raw materials in parts by mass: 100 parts of wood leaf fiber; 2-4 parts of nanocellulose; 8-12 parts of polyvinyl alcohol; 1-3 parts of polyethylene imine; 4-8 parts of hydrophilic modified inorganic filler; and 1-3 parts of crosslinking agent. By optimizing the structure and component ratio of the core layer, the crease area of the paperboard can remain stable deformation after hot pressing and forming, and is not easy to rebound. Meanwhile, the paperboard can maintain good dimensional stability under humidity change conditions, thereby improving the forming precision and use durability of the packaging box.

The utility model discloses an aluminum foil bending and crimping tool which comprises a tool carrier, the upper end face of the tool carrier is a horizontally-distributed carrier plate, the carrier plate is provided with a material placing frame for placing a product to be tested, the material placing frame is provided with a rear limiting block and a pressing plate, and the rear limiting block and the pressing plate correspond to the two side faces of a ceramic filter. The side face, facing the ceramic filter, of the rear limiting block is an abutting face, and the abutting face is parallel to the side face, attached with aluminum foil, of the ceramic filter. The other side face, facing the ceramic filter, of the pressing plate is a crimping face, and the crimping face is parallel to the other side face, attached with the aluminum foil, of the ceramic filter. The tool carrier is provided with a driving assembly, and the driving assembly is connected with the pressing plate and drives the crimping plate to move back and forth. By means of the aluminum foil bending and pressing tool, aluminum foil pressing and attaching can be rapidly carried out on the two side faces of a full-page ceramic filter, aluminum foil attaching can be efficiently and rapidly achieved, the appearance consistency is good, and the quality of the attached aluminum foil is guaranteed.

The utility model discloses a double -sided heat dissipation's car headlamp driver, including base, the inside of base is equipped with drive circuit board, the upper and lower surface of drive circuit board is equipped with a plurality of scattered arrangement's power device respectively, the upper portion of base is connected with upper cover, and the upper cover is equipped with the recess or the boss corresponding with power device respectively on base and, and the surface of power device and recess or boss between coating has the heat -conducting glue. The utility model discloses power device scattered arrangement on the upper and lower surface of drive circuit board, effectively promoted the efficiency of heat dissipation, makes the driver can satisfy higher power demand. The utility model discloses base and the upper cover are equipped with the recess or the boss corresponding with power device respectively on, and the surface of power device and recess or boss between coating has the heat -conducting glue, can fast transfer heat to base and the upper cover, guarantees the heat dissipation effect.

The application provides a cabinet type fresh air conditioner, comprising: an air conditioner shell, the air conditioner shell comprising an air inlet panel, the air inlet panel being provided with an indoor air inlet; an air outlet duct, comprising an upwardly extending upper air duct and a downwardly extending lower air duct, the air outlet duct being provided with an indoor centrifugal fan; a heat exchanger, being arranged between the air inlet panel and the air outlet duct, the heat exchanger comprising an upper heat exchange section and a lower heat exchange section, the connecting position of the upper heat exchange section and the lower heat exchange section corresponding to the position of the centrifugal fan, and the lower heat exchange section being inclined from top to bottom towards the side of the lower air duct to form an airflow accommodating space between the lower heat exchange section and the air inlet panel; and a fresh air device, comprising a first fresh air outlet, the fresh air sent by the first fresh air outlet being capable of entering the airflow accommodating space. The application can reduce the overall floor area volume of the air conditioner, especially the thickness, and improve the appearance consistency and appearance aesthetics of the air conditioner.

This invention discloses a shower head, comprising: a body having a water inlet channel; a first water distribution chamber, the first water distribution chamber having a first movable shaft, a first water outlet, a second water outlet, and a first water inlet connected to the water inlet channel, the first movable shaft being used to open and close the first water outlet and the second water outlet; a second water distribution chamber, the second water distribution chamber having a second movable shaft, a third water outlet, a fourth water outlet, and a second water inlet connected to the second water outlet, the second movable shaft being used to open and close the third water outlet and the fourth water outlet; a first water outlet channel that can be connected to the first water outlet, a second water outlet channel that can be connected to the third water outlet, and a third water outlet channel that can be connected to the fourth water outlet; a first water outlet hole that can be connected to the first water outlet channel and the second water outlet channel, the second water outlet channel being coaxially arranged with the first water outlet hole; capable of realizing a powerful single-pour water injection plus sheet water output at the same hole position, convenient for user use.

The utility model discloses a connector (100) for a multi-strand wire harness. The connector (100) comprises a first semi-enclosed shell (1101) and a second semi-enclosed shell (1102), wherein the first semi-enclosed shell (1101) and the second semi-enclosed shell (1102) are detachably connected with each other to form a pipe section (110). The two ends of the pipe section (110) in the length direction (X) are open, the pipe section (110) is provided with an inner cavity allowing the multiple strands of wire harnesses to extend and penetrate through, the outer side wall of the pipe section (110) is provided with a plurality of outlet pipes (120) which are arranged at intervals and all communicated with the pipe section (110), and the size of each outlet pipe (120) is determined to contain a corresponding wire harness branch in the multiple strands of wire harnesses; and a gasket (126) for limiting the corresponding wire harness in the corresponding wire harness branch is formed in each outlet pipe (120).