42results about How to "Reduce rust" patented technology

The invention relates to the technical field of thread rolling machining, and discloses penetrating rod thread rolling equipment for an automobile air brake, the penetrating rod thread rolling equipment comprises a plurality of sets of thread rolling mechanisms which are sequentially connected in series, and each thread rolling mechanism comprises a feeding assembly, a thread rolling machining assembly, a discharging assembly, a feeding assembly and a detecting assembly; the detection module is used for detecting materials, the discharging module is used for discharging unqualified materials, and qualified materials can enter a thread rolling station; the thread rolling machining assembly is used for conducting thread rolling machining on the materials at the thread rolling station. The hopper in the subsequent thread rolling mechanism is in butt joint with the discharging assembly in the previous thread rolling mechanism. Three sections of threads are machined at a time by splicing the three thread rolling mechanisms, automatic conveying is achieved between the adjacent thread rolling mechanisms, materials do not need to be manually conveyed in sequence, the production efficiency is remarkably improved, and manual intervention is reduced; before entering the thread rolling process, the penetrating rod is subjected to at least one detection, defective products are eliminated, and the production requirements of high-precision parts are met.

The application belongs to the technical field of electrical equipment, and discloses an air compressor sealing structure and an air compressor. The air compressor sealing structure comprises a connecting sleeve, a first gas seal assembly and a second gas seal assembly. The connecting sleeve is sleeved on the rotating shaft of the air compressor, and has opposite first and second ends. The first gas seal assembly is arranged at the first end, and is sleeved on the rotating shaft and connected with the bearing of the rotating shaft to seal the gap between the first end and the rotating shaft by means of sealing gas. The second gas seal assembly is arranged between the connecting sleeve and the rotating shaft and at the second end to seal the gap between the second end and the rotating shaft by means of water vapor. The connecting sleeve is provided with an exhaust hole between the first gas seal assembly and the second gas seal assembly. In this way, the possibility of gas contacting the bearing is reduced, and the possibility of damage to the bearing is reduced, thereby effectively improving the reliability of the air compressor sealing structure and enabling the air compressor to operate reliably for a long time.

The utility model relates to the technical fields of bridge, especially a kind of quick installation recoverable anti-falling beam limiting device for bridge, which reduces the contact of rain and air with steel wire rope, delays the rust of steel wire rope, improves the service life of steel wire rope, is convenient to use, and is high in practicality;It comprises a pier and a bridge, and the bridge is fixedly installed on the upper end of the pier;It also comprises two groups of connecting plates, two groups of connecting rings, a steel wire rope and a protection mechanism, the two groups of connecting plates are fixedly installed on the pier and the bridge by expansion bolts respectively, connecting rings are fixedly installed on the two groups of connecting plates, the upper and lower ends of the steel wire rope are fixedly installed on the two groups of connecting rings respectively, the protection mechanism is installed on the steel wire rope, and the protection mechanism is used for protecting the steel wire rope.

The utility model discloses a kind of widening structure of municipal road, including the filling plate as widening base layer, the accommodating groove of downward recess is equipped on filling plate upper surface, the rubber particle layer solidified by cementing agent is filled in accommodating groove, the groove bottom of accommodating groove is equipped with reinforcing plate that is interlaced longitudinally and transversely, reinforcing plate is fixedly connected with filling plate, for enhancing the overall stiffness and deformation resistance of widening structure, the bottom of filling plate is connected with connecting assembly, connecting assembly includes the connecting column inserted into soil, the outer wall of connecting column is equipped with the plug-in cone for increasing friction, connecting column is equipped with expansion assembly in, expansion assembly includes the pull block for making the outer wall of connecting column outwardly offset, the surface of filling plate, connecting assembly and expansion assembly is equipped with rust-proof paint. By filling plate and rubber particle layer combination, it is convenient to quickly lay, also can cope with certain degree of thermal expansion and cold shrink, the cooperation of connecting column and expansion assembly realizes firm anchoring with ground.

The utility model provides a gate valve with antirust function, including the valve body, set up in the upper end of valve body gland, open in the opening on gland, set up in the upper end of gland hand wheel, set up in the valve body and with hand wheel threaded connection's valve rod, still include two cooperation seat that set up in the valve cover in opening inside up and down symmetry, open in two cooperation seat's avoidance opening, set up between two cooperation seat and located valve rod outside's insulating sleeve, set up in the upper end of rotating hand wheel and located valve rod's outside's insulating cavity, open in the upper end of top rod cover and with insulating cavity intercommunication's top opening, slidable set up in top rod cover in top opening inside's prompt rod, set up in top rod cover's elastic cover.

The application relates to an intelligent table lamp based on a millimeter wave radar, which comprises a base, the top end of the base is fixedly connected with a lamp post, the end, away from the base, of the lamp post is fixedly connected with a clamping joint, the clamping joint is internally provided with a clamping piece, a square piece is inserted between the clamping joint and the clamping piece, the inside of the square piece is threadedly connected with a locking bolt, the square piece and the clamping piece are connected through the locking bolt, the side, away from the lamp post, of the clamping piece is fixedly connected with a lampshade, and the bottom of the lampshade is fixedly installed with an illuminating lamp. The application has the beneficial effect that when the illuminating lamp at the bottom of the lampshade is damaged, the table lamp does not need to be replaced as a whole, only the locking bolt needs to be unscrewed, the square piece and the clamping piece need to be separated, the lampshade can be separately disassembled and the illuminating lamp can be replaced, and through the protective plates on the two sides of the clamping joint, the locking bolt can be importantly protected, so that rusting of the locking bolt caused by external water vapor is reduced, and normal use of the table lamp is ensured.

The utility model relates to the technical field of water pump high-voltage frequency converters, in particular to a condensate pump high-voltage frequency converter convenient to assemble, which has the characteristic of convenience in disassembly and comprises a condensate pump and a high-voltage frequency converter, a wire connecting seat is arranged at the top of the condensate pump, and a plurality of threaded holes are uniformly formed in the periphery of the wire connecting seat. A bolt is in threaded connection with the interior of each threaded hole, and the bolts and the base are fastened and connected in a threaded connection mode; a sliding groove is formed in the upper portion of the base, a sliding plate is slidably connected into the sliding groove, and the upper surface of the sliding plate is fixedly connected with the bottom of the high-voltage frequency converter. A sliding hole is formed in the middle of the base, an inserting rod is arranged in the sliding hole in a sliding mode, an inserting hole is correspondingly formed in the middle of the sliding plate, and when the sliding plate slides to a preset position along the sliding groove, the inserting rod can be inserted into the inserting hole, so that the sliding plate and the high-voltage frequency converter are fixed to the base.

The utility model discloses a kind of anti-deformation supporting devices of wheel hub mould, belong to the technical field of wheel hub mould supporting structure, including shade cover, upper pressure rod, lower bearing rod, lower cross pipe, end connecting plate and locking bolt.Shade cover top is equipped with dehumidification structure, both sides are equipped with upper pressure rod and form top shade structure, upper pressure rod is pressed on the casting surface side slope of wheel hub side module, lower bearing rod is equipped below, lower cross pipe is equipped between two lower bearing rods and forms bottom supporting frame, top shade structure and bottom supporting frame two ends are equipped with end connecting plate.The utility model is convenient to install and can be reused, can provide effective support and protection to these key parts such as wheel hub side module's casting surface and casting surface joint line after wheel hub side module production is completed, to effectively reduce the risk of physical deformation or corrosion in transportation and storage process.

The utility model relates to the field of buildings, in particular to a large-span structure metal roof anti-tripping anchoring connecting device which comprises a bottom layer support, a suspended ceiling layer and a dustproof layer are sequentially installed on the top of the bottom layer support from bottom to top, and a plurality of main purlins are transversely installed on the top of the dustproof layer at equal intervals. The supporting plates are jacked up through the telescopic pieces, so that the metal roof, the heat preservation layer and the waterproof layer are tightened, gaps caused by aging are avoided, the service life of the metal roof can be prolonged, vibration of the metal roof can be avoided, the matched connecting plates are installed to penetrate through the matched installing grooves, the limiting effect can be achieved, the supporting plates are prevented from shaking, and the service life of the metal roof is prolonged. Meanwhile, the metal net is matched to cover the bottom of the T-shaped fixing support so that the fixity can be improved, then the non-woven fabric can well prevent water, and the situation that the connecting position rusts is delayed.

This utility model belongs to the technical field of daily necessities, specifically a metal frame bed that is easy to install. It includes a bed frame; the bed frame contains a bed body for supporting a mattress. The key feature is that the bed frame includes a pair of parallel longitudinal beams and a pair of parallel transverse beams perpendicular to the longitudinal beams. The lower end face of the longitudinal beams has corner legs for supporting and fixing the bed frame. The transverse beams are located at both ends of the longitudinal beams and are detachably connected. The end walls of the corner legs are detachably connected to the longitudinal beams by bolts. By connecting the longitudinal beams, transverse beams, and corner legs with bolts, the assembly and disassembly of the bed frame are facilitated, as is the transportation of the entire metal frame bed.

The utility model relates to kitchen support technical field, especially a kind of multifunctional kitchenware placing support, including bottom plate, the edge of the both sides of bottom plate top surface is uniformly fixedly connected with support frame, several water receiving trays are fixedly connected with several pot body supports around the top of several water receiving trays between two support frames jointly fixed connection has. The utility model has the advantages that: through the lifting structure of one intermediate high four around bottom formed by several pot body supports, the inner wall of pot body is effectively supported from the middle, so that the pot can be placed upside down, so that the water in the pot body can flow into the inside of water receiving tray, the water in the pot is placed, the corrosion of pot is reduced, and the inner wall of pot is erected, so that the inner wall is dry, the pot is effectively supported and positioned by several pot body supports, the pot is prevented from falling, the water in the inside of several water receiving trays is gathered and discharged through the communication pipe and several drain pipes, and the water is discharged into collection box through drain hole, so that water is concentrated and collected.

The utility model discloses a terrazzo floor grinding machine, specifically relates to floor polishing technical field, including work platform, the hidden rotation of grinding disc has rotation in work platform front end bottom, is installed with push handle at work platform rear end top, is installed with equipment box on work platform top surface, is installed with the drive motor and sewage tank of driving grinding disc rotation at equipment box top, is equipped with the sewage recovery part of fixed in work platform bottom at the rear side of grinding disc, is connected with the sewage pipe of bending between sewage recovery part and sewage tank, is provided with semicircular water body shielding piece on the both sides of sewage recovery part and grinding disc. The utility model can shield and recover the water body sputtering produced in the working process of grinding disc, improves the effect that terrazzo floor is polished, and after operation, it is convenient to clean the grinding disc, guarantees the cleanliness of equipment surface, reduces the corrosion phenomenon of equipment because of silt and other impurities adhesion, prolongs the service life of equipment.

The utility model provides a kind of water tank mechanism of circulating filter type water detection machine, including water tank, water inlet pipe, water outlet pipe, water tank is equipped with the filter tank, water pump, pressure tank connected in sequence, the water inlet pipe is connected the water tank inner chamber with the filter tank, the water outlet pipe is connected the water tank inner chamber with the pressure tank. The utility model can make detection water recycling by increasing circulating filter device, and effectively ensure the water quality in water tank, avoid the influence of water quality on detection effect, while reducing the rust condition of water tank, prolong the service life of equipment;At the same time, intelligent water replenishment can be realized, so that the water level is maintained at a reasonable level, and the detection stability is improved.

The utility model belongs to the technical field of manual stop valve, specifically is a kind of manual stop valve, including manual stop valve body;Manual stop valve body lateral wall is equipped with protective shell;The inboard wall of the protective shell is fixedly connected with drive motor;The output end of the drive motor is fixedly connected with fan blade;Drive motor is rotated to produce airflow with fan blade, airflow passes heating wire at this time, using the air flow of guide plate can be drained, it is dispersed, the dry effect when manual stop valve body is used in humid environment is played, reduce the humidity long time adhesion and cause the rust of manual stop valve body, to improve the service life of manual stop valve body, the contact area of airflow and manual stop valve body can be increased simultaneously using flow guide pipe and guide plate, increase drying speed, and also using protective shell can increase the safety of drive motor when using.

The utility model provides an urban bicycle capable of reducing chain noise, which belongs to the technical field of bicycles and comprises a bicycle body unit, a bicycle frame, a seat cushion movably mounted at the top of the bicycle frame and a handlebar hinged to the top of the bicycle frame. And the protection unit comprises a closed chain cover fixedly mounted on the outer side of the frame. Rainwater and dust are effectively isolated through the closed chain cover, and friction abnormal sound generated when the chain operates is reduced; the oil storage box is matched with the lubricating cotton block, so that abrasion and corrosion of the chain are reduced through dynamic lubrication, and abnormal sound caused by insufficient long-term lubrication is avoided; the adjustable design of the bolt and the threaded seat ensures that the tensioning degree of the chain is stable, and mechanical noise generated by loosening is avoided; the detachable shell cover is convenient to clean and maintain, dirt accumulation is prevented from intensifying noise, the chain noise problem is radically solved from the four aspects of physical sound insulation, continuous lubrication, rust and corrosion prevention and mechanical stability, the riding comfort is remarkably improved, and interference to the urban sound environment is reduced.

The utility model relates to the field of automobile parts, and discloses a water-repellent engine heat insulation bottom protection plate which comprises a protection plate body, a protection assembly is installed on the top of the protection plate body, a sealing assembly is installed on the outer ring of the protection plate body, an overhaul groove and a limiting groove are formed in the middle of the protection plate body, and the protection assembly comprises a cover plate. The cover plate is installed in the limiting groove, three positioning bolts are connected to the positions, close to the two sides, of the top of the cover plate in a penetrating mode, a plurality of heat dissipation grooves are formed in the top of the cover plate in a penetrating mode, a protective cover is installed on the top of each heat dissipation groove, and a protective plate is fixedly installed on the top of the cover plate; the two sides and the rear portion of the protection plate are each provided with a set of grating grooves. Through a cover plate and a protection plate, internal rapid maintenance and observation are facilitated, and internal heat dissipation is improved while muddy water entering is reduced; and through the sealing strip and the fixing sleeve, sealing in the protection plate body is improved, and corrosion of muddy water to bolts is reduced.

This utility model discloses a double-ended screw for fixing electrical equipment, including a rod body with a smooth rod section in the middle and threaded sections at both ends. A through hole is provided on the rod body, axially connecting to the end of the rod body. A protective cap is fitted onto the threaded section, the protective cap including a cap tube and a threaded ring. A corrugated tube is provided between the cap tube and the threaded ring, and the cap tube and the threaded ring have internal threads that engage with the threaded section. This utility model's double-ended screw, by opening resin injection holes within the rod body, can fill the installation gap of the double-ended screw, eliminating internal voids and cavities, and preventing loosening and disengagement due to vibration transmitted during the use of electrical equipment. Furthermore, the protective cap protects the exposed threaded section of the double-ended screw during installation, preventing it from being exposed to air, reducing corrosion, and extending its service life.

The utility model relates to the technical field of constructional engineering, and provides a UHPC light side ditch cover plate which comprises a UHPC panel, a wave-shaped stiffening rib and a plurality of adjustable supporting bases, the UHPC panel comprises an anti-skid layer, a force bearing layer and an anti-crack layer which are arranged from top to bottom, the wave-shaped stiffening rib is arranged at the bottom of the UHPC panel, and the anti-skid layer is arranged at the bottom of the UHPC panel. The wave-shaped stiffening ribs comprise wave-shaped continuous structures arranged on the two sides of the UHPC panel in the length direction, a plurality of straight panel connecting ribs are connected between the two wave-shaped continuous structures, and the multiple supporting bases are arranged at the bottom of the cover plate and used for adjusting the height of the cover plate. According to the scheme, the problems that a traditional side ditch cover plate is large in dead weight, high in maintenance cost and the like are solved, remarkable technical advantages are formed in the aspects of safety, durability, economical efficiency and the like, construction is facilitated, and good application prospects are achieved.

This utility model discloses a stator assembly and a motor using the same, relating to the technical field of motors and their components. It includes a stator support, a stator core, and a stator winding. The stator support is sleeved on the stator core to shield at least a portion of the stator core. The stator winding is wound around the stator core. The stator support includes at least an insulating cover plate. The insulating cover plate is fixedly disposed at the stator support for shielding at least a portion of the stator core and / or the stator winding. This utility model primarily addresses the problem of providing a reasonable and reliable shielding structure for the stator assembly. It reduces the likelihood of mechanical friction and collision between the stator core and / or the stator winding, thereby decreasing the possibility of mechanical damage. Furthermore, it isolates the stator core and / or the stator winding from liquid and moisture erosion to a certain extent, reducing the possibility of corrosion. It also prevents accidental contact by personnel.

This utility model belongs to the technical field of wiring caps, and in particular, it is a wiring cap comprising a connecting sleeve that is interconnected and fits onto the upper end of a pile body. A cap is connected to the upper end of the connecting sleeve. The connecting sleeve has through holes of different heights and directions for connecting plastic steel wires. A baffle is formed at the upper end of the connecting sleeve, and the radius of the baffle is more than twice the radius of the connecting sleeve. This utility model sets two sets of through holes of different heights and directions to avoid interference between the two wires during threading. At the same time, the large-area baffle and cap work together to effectively prevent rainwater from entering the pile body through the through holes during actual use, reducing the corrosion and rust caused by rainwater to the inside of the pile body. This utility model sets an inverted L-shaped pressure plate inside the connecting sleeve, which works in conjunction with the inner pressure plate on the cap. Then, under the action of the internal threaded sleeve and the threaded post, a clamping action is formed from inside the plastic steel wire, enhancing the overall structure of the wiring cap and the connection reliability between the connection cap and the pile body.

The utility model relates to centrifugal steam compressor technical field discloses a kind of efficient centrifugal steam compressors, including steam compressor body, the steam compressor body is connected with bellows compensator by flange, the flange is connected hole and is penetrated, two the connecting hole of the flange conduction is connected with the connection rubber bush that is arranged, one the connection rubber bush is arranged with screw sleeve, another the connection rubber bush is arranged with the screw rod that is threadedly connected with the screw sleeve;Wherein the screw rod and the screw sleeve end portion are all provided with the limiting plate of diameter greater than the connecting hole;The utility model can reduce the probability that bolt occurs rust, jams in flange connecting hole, improve bellows compensator connection disassembly convenience, reduce equipment maintenance time and cost, guarantee work efficiency.

The utility model relates to the technical field of compensation devices, and discloses an automatic recovery pipeline self-adaptive compensation device which solves the problem that an existing compensation device is poor in protection effect and comprises a compensator body and a protection assembly installed at the top end of the compensator body. The compensator body is composed of a first flange plate, a second flange plate, an elastic corrugated pipe, an axial limiting sleeve, a plurality of first limiting assemblies and a plurality of second limiting assemblies, the elastic corrugated pipe is connected between the first flange plate and the second flange plate, the elastic corrugated pipe is sleeved with the axial limiting sleeve, the first limiting assemblies are connected between the first flange plate and the axial limiting sleeve, and the second limiting assemblies are connected between the second flange plate and the second flange plate. The second limiting assembly is connected between the second flange plate and the axial limiting sleeve, and the first limiting assembly and the second limiting assembly are each composed of a support, a long screw, an open threaded sleeve, a closed threaded sleeve and a positioning sleeve. The compensation device can be self-adaptive to axial thermal expansion and cold contraction of the pipeline, and has a protection effect at the same time.

The utility model relates to fan box technical field, concretely is a waterproof fan box, including the air cylinder, both ends surfaces of air cylinder are fixed with the connecting plate, multiple connection components are equiangularly arranged between two connecting plates, and waterproof assembly is arranged in the air cylinder, waterproof assembly includes the installation storehouse, the outside surface upper end department of installation storehouse is equiangularly fixed and inserts and is equipped with multiple no.

This utility model discloses a spring screw with a buffer structure, including a tightening cylinder, a screw body engaged within the tightening cylinder, and an anti-loosening cylinder slidably fitted within the tightening cylinder. The screw body passes through the anti-loosening cylinder, and an anti-loosening washer is provided at the bottom of the anti-loosening cylinder. A spring is disposed within the anti-loosening cylinder. A first ring is installed at the top of the inner wall of the tightening cylinder, and a second ring is provided at the top of the spring. A limiting mechanism is provided between the first and second rings. A protective cap is provided at the end of the screw body that passes through the anti-loosening cylinder. The anti-loosening washer includes two symmetrically distributed semicircular pieces that slidably fit at the bottom of the anti-loosening cylinder. The bottom of the semicircular pieces is conical and has multiple anti-loosening strips. This utility model, through the design of the tightening cylinder, screw body, anti-loosening cylinder, and anti-loosening washer, allows for disassembly and replacement when a single part is damaged, reducing the likelihood of the entire spring screw becoming unusable due to the damage of a single part.

This utility model relates to the technical field of mattress netting, and more particularly to a galvanized mattress netting with a double anti-corrosion structure. It includes high-carbon steel wire, with mattress springs connected to the surface of the high-carbon steel wire. Reinforcing components are provided on the outer sides of the high-carbon steel wire and mattress springs. A hot-dip galvanized layer and a passivation layer are provided on the surfaces of the high-carbon steel wire and mattress springs. Anti-corrosion components are provided at the connection points between the high-carbon steel wire and mattress springs. This galvanized mattress netting with a double anti-corrosion structure, through the setting of the hot-dip galvanized layer and passivation layer, effectively blocks the damage to the steel substrate by sacrificial anodic protection and a dense physical barrier, significantly improving the anti-corrosion performance of the netting. The anti-corrosion components continuously prevent the intrusion of corrosive media in humid environments when the coating wears or develops micro-scratches, delaying rust formation and effectively extending the service life of the netting.

The utility model provides modular assembly type road sound insulation screen frame relates to road sound insulation screen technical field, including bottom plate, the four corner of bottom plate installs the positioning pin, the top of bottom plate installs lower mounting seat, the both sides inside lower mounting seat installs lower cross bar, the top inside lower mounting seat installs vertical pole, the top of vertical pole installs upper mounting seat, the both sides inside upper mounting seat installs upper cross bar, the inside of lower mounting seat is provided with connecting mechanism, through being provided with connecting mechanism in the inside of lower mounting seat, the mutual match between the positioning hole, the locating piece, the screw groove, the threaded rod and the rotating block of utilizing connecting mechanism, can carry out convenient disassembly and installation handling to vertical pole, can realize module standardization quick butt joint, need not complex procedure, greatly shorten single section assembly time, can replace module alone in local damage, reduce maintenance cost, also promote transportation space utilization, save engineering cost.

This utility model discloses a rust-proof and wear-resistant screw, including a fixing plate. Both sides of the fixing plate are fixedly connected to snap-fit ​​components. A protective cover is provided on the top surface of the fixing plate. A screw body is fixedly connected inside the fixing plate, and an oil injection component is provided inside the screw body. Both sets of snap-fit ​​components include connecting springs fixedly connected to both sides of the fixing plate. With the snap-fit ​​components and protective cover, after the screw is installed, the sealing gasket fits tightly against the wall. Pulling the pull plate moves the snap-fit ​​rod, which is in a stretched state, inserting the protective cover into the slot. Releasing the pull plate causes the connecting spring to move the snap-fit ​​rod back to its original position, inserting it into the insertion interface to fix the protective cover. The protective cover isolates the screw from the external environment, preventing oxygen and moisture in the air from contacting the screw surface and reducing the possibility of rust.

The utility model relates to hot water supply equipment technical field, and disclose a campus hot water supply device, including have: the shell, the outer surface of shell is opened with vertical groove, the inside fixed sleeve of shell has infusion pipe, one end fixed sleeve of infusion pipe has water outlet. The utility model discloses by setting up by slide rail, sliding block, lifting rod, connecting block, water receiving platform and drive mechanism etc. constitute the lifting mechanism, can according to the height of the user's used water receiving container flexible adjustment water receiving platform's height, effectively reduce the difference between the container opening and water outlet. This design can significantly reduce the probability of hot water splashing, avoid the user being scalded, improve the use safety, reduce the rust problem caused by hot water drop on the surface of the device or the ground around, also provide the convenience for the teacher and student of action inconvenience to draw water, enhance the practicality and applicability of the device.

The utility model relates to a kind of clothes processing device, clothes processing device includes equipment main body and fresh air structure, wherein, equipment main body includes inner cylinder and front panel, inner cylinder has the receiving cavity of receiving clothes;Front panel is equipped with installation port;Fresh air structure covers installation port, and is installed in front panel by installation port;Fresh air structure is equipped with fresh air port.Fresh air structure and front panel are two components independent of each other, so that fresh air structure and front panel use different materials, can reduce even avoid the rust problem generated around fresh air port due to humidity.

The utility model relates to the technical field of corrugated pipes, in particular to a PP-HM double-wall corrugated pipe which comprises a first corrugated pipe body and a second corrugated pipe body, and connecting flanges are fixed to the two ends of the first corrugated pipe body and the two ends of the second corrugated pipe body respectively. A sealing connecting mechanism is arranged between the connecting ends of the first corrugated pipe body and the second corrugated pipe body, an elastic connecting mechanism is arranged between the two connecting flanges, and protection mechanisms are arranged on the outer sides of the two connecting flanges. The sealing connecting mechanism comprises a connecting inner pipe, inserting grooves are formed in the two ends of the interior of the first corrugated pipe body and the two ends of the interior of the second corrugated pipe body, and the two ends of the connecting inner pipe are inserted into the two inserting grooves correspondingly. According to the corrugated pipe, the second sealing ring abuts against the inner side of the connecting flange, the sealing performance of the connecting position between the first corrugated pipe body and the second corrugated pipe body is enhanced, the connecting strength of the connecting position between the first corrugated pipe body and the second corrugated pipe body can be improved, and leakage of circulating objects caused by gaps in the connecting position is avoided.