102results about How to "Fix the leak" patented technology

The invention discloses a leakproof composite phase change material and application of the leakproof composite phase change material in wide temperature range operation of a lithium battery, and belongs to the technical field of battery thermal management. Boron nitride nanosheet modified ceramic fibers are used as an internal supporting framework to enhance thermal conductivity and provide capillary constraint, and a core material is a phase change medium such as paraffin or n-octadecane; the invention further discloses a preparation method of the composite material and application of the composite material in lithium battery thermal management, the composite material solves the problems that a traditional phase change material is prone to leakage, poor in heat conduction and single in function, the battery can be rapidly heated at low temperature, heat can be efficiently absorbed and diffused at high temperature / normal temperature and high rate, and the service life of the battery is prolonged. The safe, efficient and stable operation of the lithium battery in a wide temperature range is realized, the leak-proof performance is high, the cycling stability is good, the preparation cost is controllable, and the application prospect is wide.

The utility model relates to chip coating technical field discloses a kind of spraying head structures for chip coating, a kind of spraying head structures for chip coating, including spraying head body, the filter assembly is equipped in spraying head body, the upper end of spraying head body is fixedly connected with liquid inlet pipe, the side fixedly connected with branch pipe of liquid inlet pipe, the one end ball joint rotationally connected with sphere of branch pipe, the side fixedly connected with rubber tube of sphere, the one end fixedly connected with plugging head of rubber tube, the bolt is threadedly connected on plugging head, in the utility model, when the filter assembly in spraying head body is blocked by tiny particle in spraying liquid, without disassembling equipment, using the spraying liquid in liquid inlet pipe to backwash filter assembly, the blockage is stripped, and the impurities of washing are discharged through drain pipe, significantly reduce the downtime caused by equipment disassembly maintenance, ensure the continuity of production, improve overall production efficiency.

The utility model relates to the technical field of electric tilting valves, and discloses a novel electric tilting valve which comprises a supporting pipe, annular connecting plates are fixedly connected to the front end and the rear end of the supporting pipe respectively, a plurality of mounting holes are formed in the middles of the annular connecting plates, and annular limiting grooves are formed in the front end and the rear end of the supporting pipe respectively. The middle of the inner wall of each annular limiting groove is fixedly connected with an annular rubber ring, the annular rubber rings and the limiting grooves are arranged, the rubber rings are embedded in the annular limiting grooves in the two ends of the supporting pipe, double sealing is formed through pressing, and the leakage problem caused by vibration or deformation of a traditional valve body is solved; the installation holes in the annular connecting plate support rapid flange installation, the sealing face is evenly stressed, local stress concentration caused by traditional bolt direct connection is avoided, the servo motor and the rotating shaft are arranged, the rotating angle of the rotating shaft is controlled through the servo motor, and linear adjustment of flow or pressure is achieved.

This invention relates to the field of sludge treatment technology and provides an integrated device for low-heat-loss sludge drying and incineration. The device includes a frame, a drying unit, an incineration unit, a sludge conveying unit, a flue gas conveying unit, and a flue gas treatment unit. The flue gas conveying unit consists of an air intake mechanism and an inlet pipe. The air intake mechanism comprises a blower body, a drive assembly, a control assembly, a hollow main shaft, an annular frame, blower blades, and an adjustment assembly. The air intake mechanism can steplessly adjust the blower body's exhaust and suction air volume, output air pressure, and operating efficiency in real time. Based on real-time changes in the moisture content, feed amount, and organic matter content of the wet sludge, it can quickly adjust the blower body's exhaust and suction air volume, precisely control the heat supply of the annular flue gas heat exchange chamber, and precisely control the flue gas volume of the incineration unit. This stabilizes the optimal combustion condition of the incineration unit under a slightly positive pressure, completely solving the problems of positive pressure flue gas leakage or negative pressure cold air infiltration in the incineration unit, and reducing the fluctuation range of the combustion temperature in the incineration unit.

The utility model belongs to the battery field, concretely is a kind of battery component. Mainly solve the sealing problem between pole and shell. Battery component, including shell, multiple single battery, insulating seal and pole extension piece;Shell is equipped with vent, single battery is arranged in shell, shell top plate is equipped with pole avoiding hole corresponding the pole of each single battery;The pole of each single battery is inserted into corresponding pole avoiding hole;Insulating seal is set between the gap of each single battery pole and pole avoiding hole;Pole extension piece is connected with pole one-to-one correspondence, and along pole height direction, to insulating seal, make insulating seal be compressed, seal the gap between pole and pole avoiding hole. The sealing between pole and shell is greatly improved, so that harmful flue gas can only be discharged from the predetermined vent when thermal runaway, to avoid leakage caused by sealing defects.

The utility model relates to compensator repair technical field, and disclose a kind of high-pressure coal gas pipeline compensator temporary repair device, including gas pipeline and compensator, compensator is arranged in gas pipeline periphery, the downside of gas pipeline is provided with V-shaped support, the top of gas pipeline is provided with L-shaped support. In the utility model, first screw hole, first screw rod and abutting block are arranged at the bottom end of V-shaped support, through hole, support plate, second screw hole, second screw rod and sealing press plate are arranged on L-shaped support, when compensator leaks, V-shaped support can be attached with the bottom side of gas pipeline, so that support plate is axially aligned with the leakage point of compensator, then second screw rod is screwed to drive sealing press plate to extrude and attach leakage point, realize fast and accurate sealing leakproofness, then first screw rod is screwed to make abutting block extrude and contact with the bottom of gas pipeline, further improve the tightness of sealing press plate and the leakage point of compensator, effectively solve the problem of compensator leakage, and guarantee the normal operation of gas pipeline system.

The utility model discloses an automatic feeding structure of a filling machine, which relates to the technical field of filling machines, and comprises a combined seat and a limiting component, an upper support seat is mounted at the top of the combined seat, a feeding component is erected at the top of one end, far away from the feeding component, of the combined seat, and the limiting component is mounted at the bottom of the combined seat. According to the automatic feeding structure of the filling machine, the limiting component is mounted at the bottom of the combined seat, the feeding component can be assisted to clamp and fix a filled container through the structural arrangement of the limiting component, so that the stability of feeding treatment is ensured, and the problem of leakage of filling feeding is avoided; according to the device, the flexibility of connection with feeding equipment can be ensured, the convenience of structural connection is ensured, in addition, all the structures are movably connected, the device structure is more modularized, maintenance treatment is facilitated, and therefore the use convenience and flexibility of the device structure are ensured.

The utility model discloses a kind of high-efficiency catalyst material grading equipment, it is related to catalyst material processing technical field.The utility model includes equipment frame, and grading box is movably connected in the equipment frame inner chamber, and grading box one side is equipped with discharge port.The utility model is equipped with discharge assembly, using the linkage structure of slide bar, receiving block, sealing plate and extruding block, the automatic switching of grading box between screening and discharging state is realized, when screening, spring pushes receiving block to make sealing plate tightly clamped discharge port, ensure sealing, after screening is completed, cylinder drives grading box to rotate, extruding block compreses receiving block to drive sealing plate to separate discharge port, realize automatic discharge, this design cleverly uses equipment self-motion as power source, without additional driving device, both solve the problem of material leakage in traditional vibrating screening, and also ensure the accurate opening and closing of discharge port through mechanical linkage, significantly improve material recovery rate and equipment reliability.

The utility model discloses a high-temperature and high-pressure hard sealing three-eccentric center butterfly valve, and relates to the field of butterfly valves. In petrochemical engineering, electric power and other high-temperature and high-pressure industrial scenes, a traditional butterfly valve has the problems of sealing failure, large friction torque, influence of thermal expansion on pre-tightening force and the like. The three-eccentric butterfly valve comprises a valve body, a valve rod, a valve plate, a valve seat and a bottom end cover, the axis of the valve plate, the axis of the valve rod and the sealing face of the valve seat form a three-eccentric structure, the valve plate comprises a plate body, a metal winding gasket, an elastic sealing ring and a pressing ring, and the outer circumferential face of the elastic sealing ring and the inner circumferential face of the valve seat serve as sealing faces for closing the butterfly valve. Zero-friction contact type sealing is achieved in the closing process of the valve through the three-eccentric structure, the sealing life is greatly prolonged, the opening and closing torque is reduced, the leakage problem caused by uneven sealing and machining errors of a traditional butterfly valve is solved through the double-sealing combination of the metal winding gasket and the elastic sealing ring, and the sealing performance of the butterfly valve is improved. The sealing stability and reliability are effectively improved, and the service life is prolonged.

The utility model discloses lithium battery mixer rotary inner tube sealing structure relates to sealing structure technical field, including the inner tube body of setting in the inner wall of outer tube, the top of outer tube is provided with the sealing cover, the inner wall of outer tube is provided with the annular plate, in the utility model, through setting up annular plate in the inner wall of outer tube, and install first rotary axle sealing piece with inner tube body surface contact, can effectively prevent the dust, liquid and so on produced in the mixing process material leakage to the outside of outer tube, has guaranteed the clean and safety of mixing environment, has reduced raw material waste and environmental pollution, and first rotary axle sealing piece surface is provided with helical spring, and helical spring can provide certain elasticity, makes sealing piece always with inner tube body surface keep close contact, even in the case where sealing piece has certain abrasion, can guarantee better sealing effect, prolongs the service life of sealing piece, and the maintenance cost of equipment is reduced.

A three-way valve body with an emergency sealing structure belongs to the technical field of three-way valve bodies and comprises a valve body, a sealing partition plate A and two sealing partition plates B are fixedly mounted in the valve body and divide an inner cavity of the valve body into an air inlet cavity and a mixing cavity, two through holes are formed in the upper surface of the sealing partition plate A in a penetrating mode, and the two through holes are communicated with the air inlet cavity and the mixing cavity. The two ports are used for communicating with the corresponding air inlet cavities correspondingly, electric execution power sources are installed in the air inlet cavities in a penetrating mode correspondingly, pressing plates are fixedly installed on the lower surfaces of the electric execution units correspondingly, sealing rings are fixedly installed on the lower surfaces of the pressing plates, and sealing bases are fixedly installed at the ports in the upper surface of the sealing partition plate A; a plurality of contact rings are integrally formed on the upper surface of the sealing base, a plurality of adaptive grooves are formed in the lower surface of the sealing ring, the conical contact rings and the adaptive grooves can be utilized to form multi-stage sealing of multiple contact surfaces, and compared with a traditional single sealing ring, the pressure resistance and the sealing performance of the sealing structure are greatly improved.

The application discloses a user sensitive information protection method based on a data confusion technology, and comprises the following steps: step S1, generating a sensitive attribute association table based on the association between recommended items and user gender characteristics; step S2, adding confusion ratings to an existing user-item matrix through a sampling strategy according to the sensitive attribute association table obtained in step S1, and constructing a user-item matrix after adding the confusion ratings; step S3, recording the number of confusion ratings added in step S2, applying a removal strategy, and finally generating a confusion matrix after applying the removal strategy; the removal strategy is that the same number of confusion ratings are deleted to maintain the original data size; a user is randomly selected, and when the rating number of the user reaches a set threshold, the items with strong association of the opposite sex are deleted from the rating history of the user. The application can mislead attackers to conduct gender attribute inference, realize user privacy protection, and does not affect the existing personalized recommendation quality of the user.

The application relates to the technical field of in-situ heat regeneration and road maintenance, in particular to a mixing device and a mixer for in-situ heat regeneration asphalt mixture. The mixing device for in-situ heat regeneration asphalt mixture comprises a mixer body and a waste gas treatment system. The waste gas treatment system comprises a waste gas collecting section, an extendable adjusting section and a fixed connecting section which are sequentially communicated. When the second hose is unwound or wound on the rotating disc mechanism, the third hose automatically performs the compensation movement of extending or retracting correspondingly, so that the continuity and sealing property of the first hose, the second hose and the third hose are maintained. Through the integrated waste gas treatment system, the effect that the toxic volatile matters of asphalt generated in the mixing process are collected and treated in time is achieved, and the safety hidden danger that the operating personnel are forced to inhale the harmful gas in the prior art is effectively solved.

This utility model belongs to the technical field of electrode production equipment, specifically providing a stirring device for dry electrode powder fiberization, including a tank, a base, a coarse stirring component, and a shearing stirring component. The top of the tank is equipped with a sealing cover. The shearing stirring component is rotatably mounted on the inner bottom of the tank and driven by a magnetic coupler. The magnetic coupler includes an outer rotor, an isolation cover, and an inner rotor. The outer rotor is rotatably mounted on a mounting base. The isolation cover is fixedly inserted through the bottom of the tank and extends into the outer rotor. The inner rotor is rotatably fitted inside the isolation cover and connected to the shearing stirring component. Permanent magnet arrays are evenly distributed on the inner circumferential surface of both the outer and inner rotors. This utility model can achieve non-contact transmission using the permanent magnet arrays of the outer and inner rotors, eliminating the need for a through-type drive shaft, solving the shaft seal leakage problem, avoiding material waste and contamination, and featuring a simple structure for easy disassembly and maintenance. Furthermore, the absence of mechanical contact wear extends the service life of the stirring device.

The utility model relates to the technical field of medical instruments, in particular to an EDTA (Ethylene Diamine Tetraacetic Acid) anticoagulation tube which comprises a tube body and a tube cover screwed at the open end of the tube body, a buckle is arranged on the outer wall of the pipe cover, a convex ring is formed at the open end of the pipe body, and the buckle is clamped with the convex ring after the pipe cover is in threaded connection with the pipe body, so that the pipe cover is limited to be separated from the pipe body in the axial direction of the pipe body; an anticoagulant is added into the tube body; according to the anti-freezing tube, the tube cover buckle and the tube body convex ring form axial limiting clamping connection, a double-locking mechanism is formed by matching threaded connection, even if threads are slightly loosened, the buckle can still prevent the tube cover from being separated from the tube body, and the problem of sample leakage caused by loose threaded connection of a traditional anti-freezing tube is fundamentally solved; and the safety of the blood sample in the collection, transportation and storage processes is ensured.

The utility model provides a kind of cupping apparatus for department of traditional chinese medicine, to solve the poor sealing of existing cupping apparatus, inconvenient operation and unstable cupping effect problem.The cupping apparatus includes a cup body with lip, through the lip of silicon rubber material and fluorine rubber sealing ring, enhance the contact area of cup body and skin, effectively improve the sealing, prevent gas leakage, ensure the stability of negative pressure in the process of cupping.Innovative design of rotating shaft core and knob cooperation limiting platform and positioning hole structure, so that cupping apparatus operation is more accurate, flexible, solve the problem of inconvenient operation of traditional cupping apparatus.At the same time, the cooperation of positioning bolt, connecting rod and concave ring, combined with spring force, so that user can easily operate, improve the convenience and comfort.The application improves the sealing of cupping apparatus, operation convenience and cupping effect through a series of structural innovations, improves the deficiency of traditional cupping apparatus in use process, ensures the safety and effect of use process.

The application belongs to the technical field of electric energy metering box, and provides a safe multifunctional electric energy metering box, which comprises a box body, a box door hinged to one side of the box body, an inner door sealing flange arranged on the inner side of the box door, a box body sealing flange arranged on the box body in correspondence, and a sealing assembly; the sealing assembly comprises a bracing mechanism arranged on the box door and a ring-shaped self-locking sealing ring; the ring-shaped self-locking sealing ring is sleeved on the bracing mechanism, and the ring-shaped self-locking sealing ring has a bracing state in which the outer side of the ring-shaped self-locking sealing ring is tightly fitted with the inner door sealing flange and the box body sealing flange, and a retraction state in which the outer side of the ring-shaped self-locking sealing ring is separated from the inner door sealing flange and the box body sealing flange; the bracing mechanism is configured to place the ring-shaped self-locking sealing ring in the bracing state when sealing and locking are needed, and to place the ring-shaped self-locking sealing ring in the retraction state when sealing and locking are to be released. The safe multifunctional electric energy metering box has good sealing effect and locking effect on the box door, and is high in safety.

This invention relates to the field of Internet of Things (IoT) technology, specifically to a data encryption method based on WiFi Mesh. The WiFi Mesh-based data encryption method includes the following steps: S1, a key exchange phase, where an unconnected node sends a network access request to a connected node, and the connected node generates a public key A and a private key a using an asymmetric encryption algorithm; S2, the connected node sends public key A to the unconnected node, which generates a random key B using a random number, and encrypts the random key B using public key A to obtain ciphertext b; the broadcast key E is initially generated by the WiFi root node using a random number, and all WiFi Mesh network endpoints use the same broadcast key E; the unicast key F is randomly generated by the connected node. Compared with existing technologies, this invention has the following advantages: it solves the problem of sensitive information leakage during the initial key exchange in data transmission using an asymmetric encryption algorithm; it improves the starting point of the entire cycle, ensuring the security of subsequent data communication.

This invention discloses a method for decomposing noise sources in aero-engine components, comprising the following steps: S1, spatial sound source analysis; acquiring noise input at each measurement point, constructing a covariance matrix and performing singular value decomposition; obtaining the number of eigenvalues ​​reaching a set contribution threshold; S2, extracting broadband time-domain components and pure audio-domain components; removing discrete pure-tone periodic components to obtain stationary random broadband components; processing the total noise and broadband noise separately using a Hanning window-applied discrete Fourier transform and subtracting them to obtain the spectrum of the pure-tone noise components; S3, adaptive signal decomposition filtering; S4, sound source directivity identification; S5, sound source separation; S6, noise component identification; S7, amplitude calibration; S8, sound source merging. This invention can accurately decompose fan noise and jet noise from engine noise, enabling accurate assessment of the contribution of modern turbofan engine noise sources at different frequencies and angles.

This utility model discloses an oil wellhead process pipe assembly and an oil wellhead device, including a diversion end component and a combined pipe component. Combined pipe components are horizontally installed on both sides of the diversion end component, and a regulating valve component is connected to the end of the combined pipe component furthest from the diversion end component. Furthermore, a bend component is connected to the end of the regulating valve component furthest from the combined pipe component. This oil wellhead process pipe assembly and device, through the modular structural arrangement of the diversion end component, combined pipe component, regulating valve component, bend component, and capping component, achieves arbitrary combination, expansion, and splicing of the device structure. This allows the oil wellhead process pipe assembly to adapt to the needs of oil wellheads of different sizes and complexities, greatly enhancing the versatility and flexibility of the equipment. The surface is coated with a protective coating made of polytetrafluoroethylene (PTFE). This design not only improves the corrosion resistance of the equipment but also extends its service life.

This application discloses a method, apparatus, device, and storage medium for dynamic isolation and allocation of virtual network addresses, relating to the field of virtual internet technology. The method includes receiving resource request information from a user, determining the currently allocated target virtual network address, and then determining the target network access zone where the target virtual network address resides; obtaining the target tenant identifier corresponding to the target network access zone; and accessing resource information under the target tenant associated with the target tenant identifier through the resource request information. By establishing the correspondence between the target virtual network address, the target network access zone, and the target tenant identifier, the method solves the problems of missing tenant isolation and inefficient fault recovery in related technologies, thereby achieving technical effects such as improved fault recovery efficiency, reduced data leakage risk, and enhanced data security.

This utility model discloses a wireless fingerprint mouse, which includes a mouse chip, a fingerprint sensor, a security chip, and a wireless transmitter. The mouse chip is used for initial authentication of the target user; the fingerprint sensor is used to acquire the target user's fingerprint information after the initial authentication is successful; the fingerprint sensor has an anti-fingerprint coating on its surface; the security chip is connected to the fingerprint sensor and is used to receive the target fingerprint information sent by the fingerprint sensor and perform enhanced authentication of the target user based on the target fingerprint information; the wireless transmitter is connected to both the security chip and the mouse chip; the wireless transmitter transmits the transmission data generated by the mouse chip and the secure transmission data generated by the security chip after the enhanced authentication of the target user is successful. This wireless fingerprint mouse helps ensure the secure transmission of information data.

This utility model discloses a turbine top cover for visual monitoring, relating to the technical field of turbine top cover structure. The turbine top cover for visual monitoring includes a sealing cover plate, an anti-impact locking assembly, a cover body mounted on the turbine casing, and a transparent cover. An observation hole is provided on the cover body, and the transparent cover is fixedly mounted within the observation hole. The sealing cover plate includes an outer edge and a pressure-resistant part. The outer edge is located on the outer side wall of the cover body. The pressure-resistant part is located within the observation hole and connected to the outer edge. The pressure-resistant part abuts against the transparent cover. A first bolt is provided between the outer edge and the cover body, fixing the outer edge and the cover body together. The anti-impact locking assembly includes a pressure plate with a first limiting groove, into which the nut of the first bolt can extend. This utility model can effectively improve the water pressure resistance of the transparent cover on the turbine top cover, effectively preventing water pressure damage and leakage.

The invention discloses a negative pressure-air injection composite air suction type dust collection device and method, and relates to the technical field of dust collectors. The device integrates three core modules, namely a suction head module, a main body module and a single-cylinder cyclone-dust bag composite collection module; the suction head module adopts a composite mode of'air injection stripping-negative pressure adsorption ', so that attached dust can be efficiently stripped and adsorbed; the collecting end adopts a two-stage filtering structure of a degradable dust bag of a single-barrel cyclone separation and Kringing paper folding structure, large-particle dust is separated through single-barrel cyclone, and fine dust is accurately collected through the dust bag; the dust bag realizes pure mechanical automatic closing by means of a Kresling paper folding structure, is opened and conducted by mechanical force during mounting, is automatically folded and closed during dismounting, does not need a circuit and a heat sealing structure, is free of contact and dust leakage in the whole process, and is convenient to replace; the dust collector is compact in structure, suitable for multiple scenes, environment-friendly, practical and suitable for various high-precision cleaning scenes, and has cleaning efficiency and dust collection sealing performance.

The utility model discloses a belt conveyor roller sealing device, which relates to the technical field of belt conveyor roller sealing appliances and comprises a protective cover, a first hinge is fixedly connected onto the protective cover, a window is arranged on the protective cover, an observation window is fixedly connected to the other end of the first hinge through a bolt, the observation window is hinged in the window through the first hinge, and a plate opening is arranged at the bottom of the protective cover. The inner wall of the shield is fixedly connected with a second hinge, the other end of the second hinge is fixedly connected with a coal cleaning plate through a bolt, and the coal cleaning plate is hinged in the plate opening. Through the arrangement of the bayonet, the observation window can be fixed, and the sealing performance of the observation window and the overall sealing performance of the shield are guaranteed; through the arrangement of the fixing plate, the coal cleaning plate can be effectively fixed, and the sealing performance and stability of the shield are maintained; through the arrangement of the sealing strips, dust can be effectively prevented from overflowing, the working environment is kept clean, the internal structure of the protective cover is protected against water erosion, the service life of the sealing device is prolonged, and the problem that dust leakage is prone to being caused by untight sealing of a traditional protective cover is solved.

This utility model discloses a cooling water pipeline structure, belonging to the field of chemical technology. It includes an electric furnace body, with a cooling water pipe wound around its outer surface. An outlet pipe is located at the lower side of the cooling water pipe, and an inlet pipe is located at the upper side of the cooling water pipe. An external pipe connection and fixing mechanism is provided at the other end of both the inlet and outlet pipes. This utility model achieves rapid connection and fixing of the external pipe and the cooling water pipe through this external pipe connection and fixing mechanism. Its unique plug and slot design, combined with the locking mechanism of the inclined plug and spring, allows the external pipe to be quickly installed without complex tools and cumbersome steps, greatly saving installation time and labor costs. At the same time, this fixing method is firm and reliable, effectively avoiding cooling water leakage caused by unstable pipe connections and ensuring the stable operation of the cooling system.

The utility model discloses a high sealed faucet assembly, including faucet piece and water inlet pipe, the faucet piece bottom position is connected with water inlet pipe, water inlet pipe is connected with water source through the pump body, one side of faucet piece is provided with the valve body of rotation, the valve body is through the rotation axis and is matched with faucet piece, is used for controlling the on -off of faucet piece inside water flow, realizes efficient water -out processing. This high sealed faucet assembly, the fitting mechanism extrudes the gasbag with the help of the rotating block, drives the inflation gasbag closely fits the faucet piece and the water inlet pipe junction, and the seal reliability is ensured in combination with the spring difference design, effectively solve the leakage problem under the high pressure water flow, avoid water resource waste, the elastic bellows in the water outlet mechanism can adjust the water outlet position flexibly, and the impeller drives the cleaning strip to wipe the water outlet hole in real time, prevents the impurity block, and guarantees the even and efficient water outlet. The water draining frame on the rotating block can receive the splashing water drop, reduces the erosion of parts.

This utility model relates to the field of hydraulic system technology and discloses a quick-change self-sealing hydraulic pipeline connector, including a connecting pipe. Sealing rings are fixedly connected to the inner walls of both ends of the connecting pipe. This utility model allows personnel to quickly connect and disconnect the connecting pipe from the interface seat by pressing the positioning pin and pulling the lever. The entire process requires no tools, improving operational efficiency and convenience. It avoids the cumbersome steps and time consumption caused by complex threaded connections or clamp fixation in traditional connection methods, significantly improving the maintenance and replacement efficiency of the hydraulic system. The sealing rings fixedly connected to the inner walls of both ends of the connecting pipe fit tightly with the interface seat, forming a good sealing effect. Simultaneously, the locking mechanism of the positioning pin and the pop-out groove, as well as the locking of the reinforcing rod and the groove, further ensure the stability of the connection, effectively avoiding hydraulic leakage caused by loose connections and reducing hydraulic oil waste and environmental pollution caused by leakage.

The utility model relates to a compressor technical field discloses a kind of integrated filter muffler, air compressor and vehicle, integrated filter muffler includes: filter unit casing and muffling unit casing, both integrated settings;Filter unit casing inside is equipped with filter module, and muffling unit casing inside is equipped with sound-absorbing component;Filter unit casing one end is provided with the filter outlet joint suitable for being connected with the air inlet of compressor body, and other end is provided with filter air inlet joint;Muffling unit casing one end is provided with the sound-absorbing air inlet joint suitable for being connected with the air outlet of compressor body;Filter outlet joint and sound-absorbing air inlet joint are located the same side of integrated filter muffler.The utility model provides integrated filter muffler, by integrating the other, space occupation and connection complex problem caused by separate installation can be avoided, avoid leading to pipeline connection, effectively reduce the equipment occupied space, improve the compactness of overall structure.

The utility model discloses a hold-down device for a coalescence glass fiber filter element, which comprises an upper grid tray and a lower grid tray, a support device is arranged between the upper grid tray and the lower grid tray, and the sizes of grids of the upper grid tray and the lower grid tray are different. According to the utility model, the upper and lower grid plate discs with different grid sizes are arranged, and then the upper and lower grid plate discs are connected through the supporting device, so that the pressing device is placed on the glass fiber filter element during use, and is pressed through the channel steel in the flange of the upper cover equipment, and downward pressing force can be applied to the glass fiber filter element mounted on the tube plate; according to the pressing device, the pressing force on the glass fiber filter element can be conveniently adjusted, the installation sealing performance of the filter element is guaranteed, the leakage problem in the filtering process is effectively avoided, installation and maintenance are convenient, and the use cost is reduced; and the arrangement of the grid tray structure does not influence the passing of the fluid, and can stably support the filter element, thereby ensuring the stability of the filter element in the working process, improving the filtering efficiency and prolonging the service life of the filter element.