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28results about How to "Improve quietness" patented technology
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Self-repairing mute tire and preparation method thereof
PendingCN121759138Areduce investmentreduce energy consumptionTyre partsNon-macromolecular adhesive additivesPolymer sciencePtru catalyst
The invention discloses a self-repairing mute tire and a preparation method thereof, and relates to the technical field of tires, the self-repairing mute tire comprises a tire body, and a self-repairing rubber layer and a mute material which are sequentially attached to the inner wall of the tire body from inside to outside; the self-repairing adhesive layer is prepared from the following components: epichlorohydrin rubber, acrylate rubber, a rosinyl phenyl phosphine oxide isoxazolyl functional polymer, 4, 4-chloroformyl phenyl ether, a catalyst, 2, 2-bis [4-(4-aminophenoxy) phenyl]-1, 1, 1, 3, 3, 3-hexafluoropropane, trithiocyanuric acid, a filler, an accelerant TMTD (Tetramethylthiuram Disulfide) and an auxiliary agent; the rosinyl phenyl phosphine oxide isoxazolyl functional polymer comprises structural units introduced through a condensation polymerization reaction of the following monomers: glycerol triabietate, bis (4-carboxyl phenyl) phenyl phosphine oxide and 3, 5-isoxazoledicarboxylic acid. The tire is remarkable in self-repairing effect, good in mute performance, sufficient in performance stability and long in service life.
Owner:WUXI I REACH TECH
Efficient heat-insulation and sound-insulation composite wall board
ActiveCN224063721UImprove structural safety factorIncreased durabilityWallsHeat proofingClassical mechanicsMechanical engineering
The utility model relates to the technical field of efficient heat insulation and sound insulation composite wall boards, and discloses an efficient heat insulation and sound insulation composite wall board which comprises a connecting assembly, an outer board body assembly, a heat insulation and sound insulation assembly, a main machine body and an anti-seismic assembly. The heat and sound insulation assemblies are installed on the upper inner wall and the lower inner wall of the outer plate body assembly, the main machine body is installed between the heat and sound insulation assemblies, the anti-seismic assembly is installed in the main machine body, the anti-seismic assembly is arranged, riveting between wallboards and structural columns and beams is facilitated, the overall performance is stable, the net load of a building can be reduced, the structural safety coefficient of the building can be improved, and effective seismic prevention is achieved. The danger of collapse is avoided, the durability and long-term stability of the structure are improved, and the maintenance and repair cost is reduced; and the heat insulation and sound insulation assembly is arranged, so that sound transmission can be reduced, and the indoor quietness is improved.
Owner:SHANXI HONGYUE TECH CO LTD
Composite material door and window with noise reduction function
ActiveCN224214073UImprove quietnessreduce vibration transmissionSynthetic resin layered productsNoise insulation doors/windowsPolyesterFiber
The utility model relates to the technical field of composite doors and windows, in particular to a composite door and window with a noise reduction function, which comprises a composite door and window, a fixing frame is fixedly connected to the front side of the composite door and window, a noise reduction plate is slidably connected to the inner side of the fixing frame, and a plurality of threaded grooves are formed in the bottom of the noise reduction plate. According to the utility model, through the arrangement of the fixing frame, the noise reduction plate, the threaded groove, the mounting plates, the mounting holes, the mounting bolts, the handle, the fixing plate, the insertion grooves, the sliding grooves and the plug pins, when noise is generated outside, the wooden sound absorption plate and the polyurethane foam layer can absorb the noise outside; the hollow rubber bag can provide support for the polyurethane foam layer and further absorb noise, the polyester fiber sound insulation plate can isolate the noise, and the design of the noise reduction plate and the connecting component thereof can reduce vibration transmission so as to reduce the noise, so that the indoor quietness is improved.
Owner:NEIJIANG XINGXING TECH CO LTD
Fan assembly and 3D printing equipment
ActiveCN224064587Udissipate vibrational energyImprove quietnessAdditive manufacturing apparatusPump componentsStructural engineeringVibrational energy
The draught fan assembly comprises a mounting base, a draught fan and a connecting piece, the connecting piece is provided with a positioning structure, and the positioning structure is used for being matched with the mounting base and the draught fan so as to fix the draught fan and the mounting base to each other; and the connecting piece is made of an elastic material. According to the fan assembly, the connecting piece for connecting the fan and the mounting base is made of the elastic material, so that a flexible buffer structure is formed between the fan and the mounting base, vibration energy transmitted to the mounting base by the fan is attenuated, the influence of fan vibration on the mounting base is reduced, and the running quietness of the fan assembly is improved.
Owner:SHENZHEN TUOZHU TECH CO LTD
Massage equipment with multiple valves and multiple air bags
PendingCN121943634AMeet various needsRealize collaborative maintenancePneumatic massageOperating tablesPhysical medicine and rehabilitationControl signal
The invention discloses massage equipment with multiple valves and multiple air bags. The massage equipment comprises a massage control system and a mattress, the massage control system comprises a user instruction module, a signal receiving module, a control module and an execution module. The user instruction module is used for generating a control instruction in response to user operation; the signal receiving module is connected with the user instruction module to receive the control instruction; the control module is connected with the signal receiving module and generates a control signal according to the control instruction; the execution module comprises an air pump, a control air path and a plurality of massage air bag groups; the air pump is connected with the control module and executes on-off operation after receiving the control signal; the control air path is connected with the control module and the plurality of massage air bag groups, and is switched on and off after receiving the control signal so as to inflate or deflate the plurality of massage air bag groups; and the plurality of massage air bag groups are respectively arranged in the mattress and above the position, corresponding to the bed head, of the mattress. The device has the functions of multi-mode massage, low-noise operation and thermal therapy.
Owner:TFC TECHNOLOGY CO LTD
Exhaust assembly for a fuel cell vehicle and vehicle
This application discloses an exhaust assembly and a vehicle for a fuel cell vehicle. The exhaust assembly includes an exhaust pipe, a muffler, and a damping pipe. The exhaust pipe is adapted to be installed on the vehicle body. One end of the exhaust pipe has an outlet end, and the other end has an inlet end. A muffler section is formed in the exhaust pipe. The muffler is disposed on the exhaust pipe and on the outer periphery of the muffler section, communicating with the internal cavity of the muffler section. The damping pipe is connected to the exhaust pipe and is disposed near the inlet end of the exhaust pipe, and / or at the junction of the exhaust pipe and the muffler section. At least a portion of the damping pipe is constructed as a flexible element or a flexible unit covering the exhaust pipe is disposed inside the damping pipe, which can improve the muffler and vibration reduction capabilities and reduce vehicle noise.
Owner:EXQUISITE AUTOMOTIVE SYST CO LTD
Ultra-quiet air compressor
This utility model relates to the field of aerodynamic drive equipment technology, and in particular to an ultra-quiet air compressor, including an air tank and a compressor unit. The compressor unit is fixed in the space formed by the sealing cover and the top of the air tank. An air intake channel is provided in the middle of the air tank, penetrating the air tank and extending to the inner end of the sealed space. The air storage chamber of the air tank and the air intake channel are relatively sealed. The compressor unit is completely sealed in the sealed space, and the noise generated by the compressor unit is completely contained within the sealed space, significantly reducing the noise outside the sealed space. The air drawn in by the compressor unit first enters the sealed space from the bottom of the air tank through the air intake channel, and then the compressor unit draws the air from the sealed space into the air tank. This air extraction process not only improves the heat dissipation of the compressor unit, allowing cool air to enter the sealed space from the bottom through the air intake channel, but also effectively solves the problem of noise leakage, resulting in lower overall noise and better quietness.
Owner:WENLING SHENBA AIR COMPRESSOR MFG CO LTD
Air conditioner
The air conditioner comprises an air inlet cavity and an air outlet cavity, the air inlet cavity comprises an air inlet, the air outlet cavity comprises a first air outlet, the air inlet and the first air outlet are located on the same side (for example, the lower side) of the air conditioner, and the first air outlet is located at a position of the air outlet cavity away from the air inlet cavity, and a heat exchanger is arranged in the air outlet cavity; in the arrangement direction of the air inlet cavity and the air outlet cavity, the distance between the first edge of the heat exchanger and the second edge of the air inlet cavity is recorded as a first size, the size of the air outlet cavity is recorded as a second size, the ratio of the first size to the second size is greater than or equal to 0.10 and less than or equal to 0.20, and the ratio of the size of the first air outlet to the second size is greater than or equal to 0.20 and less than or equal to 0.32, so that the relationship among the first size, the second size and the size of the first air outlet can be better balanced, thereby realizing a more reasonable space layout, making the size of the heat exchanger more optimal, and better improving the heat exchange effect of the entire air conditioner.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI
Mechanical arm and medical trolley
ActiveCN121971176AImprove stabilityReduce control errorProgramme-controlled manipulatorSurgical instrument supportPhysical medicine and rehabilitationRobotic arm
The invention relates to a mechanical arm and a medical trolley. Comprising a first arc-shaped joint which is provided with a first arc-shaped track and a first central axis perpendicular to the plane where the first arc-shaped track is located; the first arc-shaped joint comprises a first arc-shaped arm and a second arc-shaped arm, and the second arc-shaped arm and the first arc-shaped arm are movably connected along a first arc-shaped track; and the second arc-shaped joint is provided with a second arc-shaped track and a second central axis perpendicular to the plane where the second arc-shaped track is located, the second central axis and the first central axis intersect at the virtual motion center, and the second arc-shaped joint is movably connected with the second arc-shaped arm along the second arc-shaped track. The motion center can be kept unchanged, the control stability of the motion center can be improved, and the control error of the motion center is reduced.
Owner:SHANGHAI MICROPORT MEDBOT (GRP) CO LTD
Lightweight concrete building wall
ActiveCN224119796UImprove stabilityReduced risk of crackingClimate change adaptationBuilding insulationsInsulation layerFixed frame
The utility model discloses a lightweight concrete building wall which comprises a concrete wall body, and a composite mechanism is positioned and installed in the concrete wall body. The composite mechanism comprises a positioning connecting groove, an inserting positioning groove, a positioning frame, a connecting frame, a positioning triangular groove, a connecting fixing frame, a flexible sealing gasket, a triangular positioning clamping block, a heat preservation layer, a sound insulation layer, a fireproof layer and a waterproof layer. According to the lightweight concrete building wall, through the arranged composite mechanism, the positioning frame is inserted into the inner side of the insertion positioning groove, and the connecting frame at the upper end of the positioning frame and the inner wall of the positioning connecting groove are fixed through bolts; the connecting fixing frame is positioned on the inner side of the positioning frame through clamping of the triangular positioning clamping blocks, and the heat preservation layer, the sound insulation layer, the fireproof layer and the waterproof layer are arranged on the inner side of the connecting fixing frame, so that the performance in all aspects can be enhanced, the overall stability and firmness of the wall body can be improved, and the risk that the wall body cracks and falls off is reduced.
Owner:SUZHOU ZHONGZHENG CONSTR ENG +1
Human body self-adaptive seat controller
The utility model discloses a human body self-adaptive seat controller, which comprises an upper shell and a lower shell, a PCB (Printed Circuit Board) is arranged between the upper shell and the lower shell, the PCB is provided with an MCU (Microprogrammed Control Unit) core module, an electromagnetic valve group, a communication module and a driving circuit, and the human body self-adaptive seat controller further comprises a noise reduction structure; the communication module and the driving circuit are respectively connected with the MCU core module, and the electromagnetic valve group is connected with the driving circuit; the MCU core module is configured to execute a preset program to output a control instruction for controlling the human body self-adaptive seat; the noise reduction structure comprises an air valve noise reduction cushion arranged between the upper shell and the PCB and a contact vibration blocking pad arranged on the outer side of the upper shell. The human body self-adaptive seat controller has a series of advantages of low noise, high integration level, high reliability, self-adaptive adjustment and the like.
Owner:SHANGHAI CHANGXING SOFTWARE CO LTD
A drive axle half shaft connecting frame structure convenient to install
The utility model provides a kind of drive axle half shaft connecting frame structure convenient to install, it is related to drive axle half shaft connecting frame structure technical field, including connecting frame main body, the side of connecting frame main body is equipped with first connector, it is equipped with locating bolt in the side of first connector, the inside of first connector is equipped with angle regulator, the side of angle regulator is equipped with fastening bolt, the side of angle regulator is equipped with elastic buffer pad, the side of angle regulator is equipped with fastening bolt, after installing elastic buffer pad, absorption vibration, reduce transmission noise, the two sides of connecting frame main body are respectively equipped with first connector, second connector, third connector, fourth connector, and all with the two sides of connecting frame main body are connected using thread, so when there is slight manufacturing or installation deviation between drive axle and half shaft, angle regulator can be compensated and corrected, ensure the reliability of connection, prolong the service life of half shaft and connector.
Owner:QUANZHOU JINGU AUTO PARTS CO LTD
Air outlet structure and vehicle
The application provides an air outlet structure and a vehicle. The air outlet structure comprises a shell, a damper, a button, a connecting assembly and a buffer assembly. An air outlet channel is formed in the shell. The damper is rotatably arranged in the air outlet channel. The button is slidably mounted on the shell. The connecting assembly connects the damper and the button. The button is provided with a rack. The buffer assembly comprises a damping gear. The damping gear is engaged with the rack. The air outlet structure and the vehicle can improve the operation feeling and reduce abnormal sound.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1
Windscreen wiper shaft assembly and vehicle
The embodiment of the utility model relates to the technical field of vehicles, and discloses a windscreen wiper shaft assembly and a vehicle, the vehicle is provided with a ventilation cover plate, the ventilation cover plate is provided with a mounting hole, and the windscreen wiper shaft assembly is rotatably arranged in the mounting hole in a penetrating mode and comprises a windscreen wiper shaft, a windscreen wiper shaft and a windscreen wiper shaft, the windscreen wiper shaft is sleeved with the sealing structure, the sealing structure is arranged between the windscreen wiper shaft and the hole wall of the mounting hole, and the sealing structure and the windscreen wiper shaft are connected and rotate synchronously. According to the windscreen wiper shaft assembly, a gap can be prevented from being generated between the sealing structure and the windscreen wiper shaft, water is prevented from flowing to the motor from the gap between the sealing structure and the windscreen wiper shaft along the windscreen wiper shaft, and the sealing performance and the waterproof performance are improved. Meanwhile, noise generated when airflow from the air inlet grille passes through a gap between the sealing structure and the windscreen wiper shaft can be avoided, noise generated when the sealing structure and the windscreen wiper shaft rub each other can be avoided, and quietness is improved.
Owner:AVATR CO LTD
A type of automotive air conditioning duct
This utility model discloses a vehicle air conditioning duct, belonging to the technical field of air conditioning systems for three-wheeled motorcycle canopies. It mainly includes a duct base, with a first and a second duct connection cover sealed to the base for distributing airflow. The first duct connection cover is sealed to a first and a second duct for connecting to a surface air vent. The second duct connection cover is sealed to a defrost transition duct. A main defrost outlet is located at the end of the defrost transition duct furthest from the duct base. Side defrost ducts are connected to both sides of the defrost transition duct, with a side defrost outlet at the end of each side duct. This utility model, by optimizing the duct structure, significantly reduces wind resistance, increasing airflow by 15%-20% without changing the fan power. It also reduces the severe impact and turbulence between the airflow and the duct wall, effectively reducing aerodynamic noise generated by the duct system and improving driving comfort. This utility model is mainly used in three-wheeled low-speed motorcycle canopies.
Owner:DEZHOU FULU MOTORCYCLE CO LTD
Automobile plastic door interior trimming panel with noise reduction and sealing functions and forming process of automobile plastic door interior trimming panel
PendingCN121849051AImprove quietnessreduce vibration transmissionSuperstructure subunitsDomestic articlesNoiseNoise reduction
The invention belongs to the field of automobile door interior trim panels, particularly relates to an automobile plastic automobile door interior trim panel with noise reduction and sealing functions, and provides the automobile plastic automobile door interior trim panel with the noise reduction and sealing functions aiming at the problem that the noise reduction and sealing effects are limited in the prior art, the automobile plastic automobile door interior trim panel with the noise reduction and sealing functions comprises an interior trim panel, and the interior trim panel is formed in a three-layer injection mode. The inner side face of the interior trim panel is sequentially provided with a hollow glass layer and a protective layer, and the interior trim panel, the hollow glass layer and the protective layer are bonded and fixed through sound insulation colloid. The interior trim panel adopts the synergistic noise reduction design that a three-layer composite structure is matched with the hollow glass layer and the multi-material honeycomb noise reduction filter element; compared with a traditional single noise reduction structure, the multi-frequency-band noise isolation and absorption system can effectively improve the noise isolation amount and remarkably improve quietness in a vehicle.
Owner:HENAN HONGRUN UNITED AUTO PARTS CO LTD
Seat transverse movement state switching mechanism and passenger vehicle seat comprising same
This application discloses a seat lateral movement state switching mechanism and a bus seat including the same. The mechanism is mounted on a seat frame and used to switch the seat's state. It includes: a connecting plate disposed between parallel and opposite seat frames, with a limiting stop on the connecting plate; a switching plate disposed on the connecting plate, comprising a pressing plate and an unlocking plate, with a non-zero included angle between the pressing plate and the unlocking plate; the pressing plate protruding relative to the seat frame; the unlocking plate extending between adjacent seat frames; and a limiting hole corresponding to the limiting stop on the unlocking plate, which engages with the limiting stop; the pressing plate, when pressed, can disengage the unlocking plate from the limiting stop; and an elastic element disposed on the unlocking plate, having an abutting end that abuts against the seat to provide a force for engaging the unlocking plate with the limiting stop when the pressing plate is released, thereby achieving convenient unlocking and locking of the seat.
Owner:XIAMEN GOLDEN DRAGON AUTO SEAT
Sensor data line anti-falling structure
The utility model relates to the technical field of electrical components especially is concerned on a sensor data line anti -drop structure, including sensor and data line, the sensor right side is provided with the connecting port, the connecting port both sides are provided with fixed assembly, fixed assembly one side is provided with sealing assembly, the plug is inserted in the connecting port inside, the plug with data line fixed connection, sealing assembly is high -performance adhesive and is located between data line and fixed assembly and forms uniform and firm adhesive layer, this patent introduces the adhesive technology in the wire harness fixation, has improved the anti -drop performance of wire harness significantly, the adhesive can form uniform and firm adhesive layer between the wire harness and the fixing piece, effectively absorbs and disperses vibration energy, prevents the wire harness loose or drop in the vibration environment, especially suitable for high vibration scene such as car, aerospace, significantly improves the stability of wire harness.
Owner:ZHUHAI BOMING SENSOR TECH CO LTD
A regulating device for a humidifier
ActiveCN224479776Ureduce resistanceFlexible adjustment of orientationElectric machineControl engineering
The utility model discloses a kind of adjusting device for humidifier, it is related to humidifier field, including base, the inside upper end of base is fixedly connected with support block, the side of support block is provided with motor, the output of motor is provided with worm, the inner wall of base is provided with bearing;The utility model has the advantages that through motor, worm, turbine, rotating rod, bearing, turntable and the like component can be flexibly adjusted to the orientation of humidifier main body, and then make water mist can be evenly spread to each corner, effectively avoid the generation of humidification dead angle, while also can improve the efficiency of overall space humidification;Through connecting block, short pole, screw sleeve, fixed block, threaded column and the like component can be quickly disassembled and assembled to humidifier main body, and then can be maintained under long-term use, while also can reduce the difficulty of maintenance.
Owner:BONNIE MEDICAL TECH (KUNSHAN) CO LTD
Humidifier without pump water circulation structure and humidifier
This application relates to a pumpless water circulation structure for a humidifier and the humidifier itself. The pumpless water circulation structure includes: a water tank with a return port and an outlet, the outlet having a one-way valve; a sealed cavity at the bottom of the water tank; a breather valve at the top of the sealed cavity; an inlet valve inside the return port, with a baffle plate at the valve port within the sealed cavity; a PTC heating element containing an aluminum tube for receiving and heating water; a valve plate within the breather valve's cavity; a baffle plate at the valve port of the inlet valve within the sealed cavity; and a hydrophobic coating on the inner wall of the aluminum tube. The pumpless water circulation structure designed in this application, by providing a hydrophobic coating on the inner wall of the aluminum tube, can inhibit scale adhesion and corrosion of the aluminum tube's inner wall, thereby maintaining heat exchange efficiency, ensuring smooth water flow in the pumpless system, and extending the service life of the heating element.
Owner:NINGBO DEYE DAILY APPLIANCE TECH CO LTD
Mattress internal honeycomb mesh aluminum alloy structure stamping equipment and memory foam mattress
ActiveCN121945629AIncrease productivityImplement automatic cleanupPerforating toolsStuffed mattressesReciprocating motionHoneycomb
The invention relates to the technical field of mattress processing, and discloses mattress internal honeycomb mesh aluminum alloy structure stamping equipment and a memory foam mattress, the mattress internal honeycomb mesh aluminum alloy structure stamping equipment comprises a mounting frame, a rotating platform and a stamping mechanism, and the stamping mechanism is composed of a moving frame, a plurality of punches, a plurality of stripping assemblies and a transmission assembly; the punching mechanism is driven by the driving mechanism to do vertical reciprocating motion and cooperatively work with the rotating platform, the limitation that shutdown adjustment is needed after single-time punching is broken through, a full-process continuous operation mode of feeding, punching and stripping is formed, and the production efficiency is greatly improved; the inner core adopts the structural design of the upper layer and the lower layer, and the upper layer is a slow-rebound memory foam comfortable layer, has excellent slow-rebound characteristic, and can be tightly attached to a human body curve and disperse body pressure; the open pore structure of the aluminum alloy honeycomb mesh structure promotes air circulation, and the composite memory foam layers with different densities, thicknesses and shapes and the eggshell cotton layer with the unique concave-convex structure are matched to achieve the zero-pressure sleep feeling.
Owner:JIANGSU GOLDSUN HOME TEXTILES CO LTD +1
A vibration-type respiratory sputum clearance device
This invention discloses a vibration-type respiratory sputum clearance device, relating to the field of medical device technology. It includes a vest body. Multiple independent liquid-coupled vibration units are arranged on the inner side of the vest, corresponding to the upper and lower lobes of both lungs and the projected lung region on the back. Each liquid-coupled vibration unit includes a sealed liquid-sealed bag, and a vibration unit is disposed on the outer side of each sealed liquid-sealed bag. The sealed liquid-sealed bag is integrally embedded and fixed in a flexible interlayer on the inner side of the vest. The interior of the sealed liquid-sealed bag is filled with a vibration-transmitting liquid. The vibration-transmitting liquid filled in the sealed liquid-sealed bag of this invention, relying on its incompressible and highly fluid physical properties, can efficiently transmit and convert the high-frequency micro-vibrations generated by the double-layer piezoelectric sheet, forming a dual mechanical action of shallow loosening and deep oscillation, perfectly adapting to the sputum clearance needs of the soft tissues of the chest and back and the deep airways of the thoracic cavity.
Owner:THE SECOND HOSPITAL OF DALIAN MEDICAL UNIV
Motor with good mute effect
ActiveCN224191753UImprove quietnessRealize storageSupports/enclosures/casingsElectric machineControl theory
Owner:DONGGUAN YIFU ELECTROMECHANICAL TECH CO LTD
Aluminum single board and stp vacuum board composite heat preservation sound insulation radiation prevention fire prevention decorative wallboard
The utility model relates to building decoration material technical field, concretely relates to a kind of aluminium veneer and STP vacuum panel composite heat preservation sound insulation radiation-proof fireproof decorative wallboard, it includes: all-aluminum decorative plate, the thickness of all-aluminum decorative plate is 1mm, and it is rectangular outer contour;STP vacuum heat insulation board, the STP vacuum heat insulation board is overlapped and arranged in the side of all-aluminum decorative plate;Radiation shielding layer, the radiation shielding layer is located between all-aluminum decorative plate and STP vacuum heat insulation board.The utility model is optimized structure design, solves the deficiency of existing indoor and outdoor decoration material in heat preservation, sound insulation, radiation protection, fire prevention and aesthetic aspect, while simplifying construction technology, improve construction efficiency.
Owner:SHAANXI SHENGDERUI NEW MATERIAL TECH CO LTD
Air treatment system
ActiveCN224151091Usmall footprintspeed up the flowDucting arrangementsLighting and heating apparatusAir treatmentMechanical engineering
The utility model discloses an air handling system which comprises an air supply device and an air supply pipeline, the air supply device comprises an air supply fan and a shell, and the shell is provided with an air inlet and an air outlet; the air supply pipeline comprises a door passing device, the door passing device comprises a first air inlet part, a door passing part and a first air outlet part, the first air inlet part is located on one side of the door, the first air outlet part is located on the other side of the door, the door passing part is connected with the first air inlet part and the first air outlet part and bypasses the door, and / or the air supply pipeline comprises a beam passing device; the lintel device comprises a second air inlet part, a lintel part and a second air outlet part, and the lintel part is connected with the second air inlet part and the second air outlet part and bypasses the beam. According to the air supply pipeline in the air treatment system, the door passing device / beam passing device is arranged, so that obstacles such as doors and beams can be avoided, punching is not needed, installation is convenient, the space occupied by installation is effectively reduced, in addition, it can be guaranteed that airflow flows smoothly, and the good mute effect is guaranteed.
Owner:A O SMITH (CHINA) WATER HEATER CO LTD
Silent suitcase roller
ActiveCN224130799UImprove quietnessSolve the noiseCastorsLuggageForeign matterStructural engineering
The utility model discloses a silent suitcase roller, which relates to the technical field of rollers and comprises a mounting plate, the bottom of the mounting plate is fixedly connected with a sealing rotating sleeve, a first support shaft is rotatably connected in a cavity of the sealing rotating sleeve, and a first rotary sealing mechanism is arranged between the sealing rotating sleeve and the first support shaft. A U-shaped supporting plate is fixedly connected to the bottom of the first supporting shaft, supporting rods are fixedly connected to the inner side walls of the two ends of the U-shaped supporting plate, and a second supporting shaft is fixedly connected between the side walls of the supporting rods at the two ends. According to the mounting plate provided by the utility model, on the basis of reducing the noise of the wheel sleeve, the rotating joint of the hub and the bracket is sealed, and the rotating abrasion is reduced, so that the problems that the wheel sleeve is easy to generate noise in the rapid sliding process of the wheel sleeve and the ground when the conventional traveling case roller device is used, and the service life is prolonged are solved. And the rotating joint of the hub and the bracket is easy to generate noise due to abrasion or foreign matter entering.
Owner:JIAXING HUASHENG PLASTIC CO LTD
A modified air conditioner compressor sealing gasket
This utility model relates to a modified air conditioner compressor sealing gasket, specifically within the field of air conditioner compressor sealing gaskets. It addresses the problem that, during installation, the lack of an effective positioning structure makes it difficult for operators to quickly and accurately place the gasket in the designated position, posing a risk of installation misalignment. If the gasket is not installed correctly, it will result in a poor seal, affecting the performance and efficiency of the air conditioning system. The technical features include: a gasket body, a reinforcing structure mounted on the upper surface of the gasket body, a first positioning structure formed on the upper surface of the gasket body, a second positioning structure mounted on the side surface of the gasket body, a third positioning structure mounted on the side surface of the gasket body, a first limiting structure mounted on the second positioning structure, and a second limiting structure mounted on the third positioning structure. This effectively prevents problems such as misalignment and torsion of the gasket during installation, avoids the loosening risks that may exist in assembled structures, and features a relatively simple structure and convenient use.
Owner:CHANGCHUN XINLI SEAL PROD CO LTD
A mounting frame for a car radiator fan
This utility model provides a mounting frame for a vehicle radiator fan, relating to the field of automotive parts technology. It includes an assembly frame and a disassembly / removal assembly. The assembly frame has fixed lugs on all four sides and reinforcing corner plates fixedly connected to its inner corners. The disassembly / removal assembly is located on the inner side of the assembly frame and includes the following components: an assembly support cylinder located in the middle of the assembly frame, with a positioning slot on its inner wall; a connecting block fixedly connected to the outer side of the assembly support cylinder, with a sliding support hole on the connecting block; and a sliding pin slidably installed in the sliding support hole, with a limit block fixedly connected to one end of the sliding pin. By providing the disassembly / removal assembly, the installation and disassembly of the radiator fan are simple and quick, requiring no complex tools, greatly improving maintenance efficiency, reducing labor costs, and enhancing the convenience and efficiency of automotive cooling system maintenance.
Owner:KEWEI AUTO PARTS (LISHUI) CO LTD