52results about How to "Reduce vibration noise" patented technology

The utility model relates to the technical field of air conditioning units, and discloses a roof type air handling unit which comprises a main body, a base structure used for supporting is arranged at the bottom of the main body, the base structure comprises base plates, a supporting body and cushion blocks, the four base plates are arranged at the bottom of the main body, every two base plates form a group, one supporting body is arranged between every two base plates, and the cushion blocks are arranged on the supporting body. A plurality of supporting points are formed between the supporting body and the two base plates, the supporting body can support the base plates and extend and deform, the cushion blocks are detachably installed at the bottoms of the base plates, the supporting body can be extruded by the two base plates to deform in the vertical direction through deformation of the supporting body, and meanwhile the supporting body can also extend in the horizontal direction. Furthermore, the supporting body can change the vibration frequency of the main body in the vertical and horizontal directions in the working process, the resonance of the main body and the base plate is inhibited, the vibration noise generated to the building in the working process of the main body is reduced, and better supporting and protecting performance is achieved for the main body.

The invention discloses a noise reduction structure for a high-speed motor, and belongs to the technical field of high-speed motors, the noise reduction structure comprises a placing frame and a noise reduction mechanism, the noise reduction mechanism comprises a sealing cover, a fixing plate, a supporting assembly, a sound insulation assembly, a fixing assembly and a heat dissipation assembly; a sealing cover is arranged at the top end of the containing frame, a motor can be placed on the inner side of the containing frame, the two fixing assemblies fix the position of the motor through the driving assembly, vibration generated when the motor works can be relieved, the vibration noise of the motor is reduced, a rotating shaft of the motor can be limited through the supporting assembly, and stable rotation of the rotating shaft of the motor is kept; heat generated by the motor during working can be discharged out of the placement frame through the heat dissipation assembly, the situation that heat dissipation holes are formed in the placement frame, and noise propagation is caused is avoided, a sealed space can be formed through the sealing cover and the placement frame, motor noise propagation can be effectively isolated through the sound insulation assembly, and sound insulation and noise reduction operation is achieved.

The utility model provides an automobile electronic water valve actuator which comprises a lower shell and an upper shell, a gear set, a motor and a PCB are arranged in an installation cavity of the lower shell, the upper shell is connected to the opening end of the lower shell, an upper positioning portion is arranged on the lower end face of the upper shell, a lower positioning portion is arranged on the lower shell, the upper positioning portion is matched with the lower positioning portion, and the upper positioning portion is matched with the lower positioning portion. The PCB is pressed and limited between the upper positioning part and the lower positioning part; the free end of an output shaft of the motor is sleeved with a magnetic ring, the PCB is connected with a Hall sensor used for sensing signals of the magnetic ring, and the Hall sensor is electrically connected with the PCB. According to the automobile electronic water valve actuator disclosed by the utility model, the accurate control of the output angle of the actuator is ensured by improving the assembly accuracy of parts and improving the control of the output angle of the motor.

The utility model provides a shock-absorbing and noise-reducing motor structure, which comprises a motor body, at least one elastic shock-absorbing pad is fixed on a shell of the motor body, and when the motor body is mounted in a mounting cavity of external equipment, the outer surface of the elastic shock-absorbing pad is propped against the inner wall of the mounting cavity; according to the utility model, the vibration noise of the motor in the operation process can be reduced.

The invention discloses an automatic control two-foot walking robot, and relates to the field of robot equipment, the automatic control two-foot walking robot comprises a main body, the upper surface of the main body is fixedly connected with head identification equipment, two sides of the main body are provided with movable arms, and the lower surface of the main body is provided with central balance equipment. By arranging the swing connecting rod, the rotating plate rotates to drive the swing connecting rod to swing at a certain angle, by arranging the first connecting rod, connection supporting on one side of the swing connecting rod is kept, by arranging the upper connecting rod, connection supporting is conducted on the upper portion of the second connecting rod, and by arranging the second connecting rod, swing is conducted along with movement of the swing connecting rod; by arranging the rotating shaft, the swinging connecting rod affects the movement of the moving legs and the second connecting rod through the rotating shaft, by means of the structure, the action speed is controlled by the speed of the double-end driving motor 602, the two legs move forwards in a coordinated mode, and stability during movement advancing is kept.

The application discloses a low-noise air pump and relates to the technical field of air pumps.The air pump comprises a motor, an air pump assembly, an upper shell assembly and a lower shell assembly; the lower shell assembly is formed with a containing cavity for containing the air pump assembly; the motor is arranged on the lower shell assembly and is suitable for driving the air pump assembly to act; the air pump assembly comprises a leather cup assembly, a leather cup frame and an eccentric wheel; the leather cup assembly is arranged on the leather cup frame; the leather cup frame is rotatably arranged on the eccentric wheel; and the eccentric wheel is connected with the motor; the eccentric wheel comprises a main body portion; a first mounting hole is arranged at one end of the main body portion close to the motor; a second mounting hole is arranged at one end of the main body portion close to the leather cup frame; an extension portion is formed on one side of the main body portion away from the second mounting hole; and a third mounting hole is arranged on the extension portion; and the technical scheme provided by the application reduces the fluctuation range of the centrifugal force of the eccentric wheel through the balancing effect of the counterweight, thereby reducing the vibration noise.

The utility model discloses a noise reduction device of an energy-saving generator set, which comprises a generator set shell, an air outlet pipe is arranged in the generator set shell, one end of the air outlet pipe is communicated with an air outlet position of the generator set, the other end of the air outlet pipe is communicated with the outside, the air outlet pipe comprises a storage shell and a side plate, and the side plate is arranged in the storage shell. The sound-absorbing cotton frames provided with the sound-absorbing cotton are placed between the upper storage groove and the lower storage groove, the fixing rods penetrate through the positioning holes and the penetrating holes, the fixing rods are fixed to the storage shell, the multiple sound-absorbing cotton frames can be conveniently installed, and when the generator set generates noise, the sound-absorbing cotton frames can be fixed to the storage shell through the fixing rods. The sound-absorbing cotton absorbs a part of noise, meanwhile, a certain amount of low-frequency noise impacts the sound-absorbing cotton frame and drives the sound-absorbing cotton frame to move, the moving amplitude of the sound-absorbing cotton frame is reduced under the action of the buffer springs on the two sides of the fixing plate, a part of noise can be absorbed, and meanwhile the vibration noise of the sound-absorbing cotton frame is reduced.

The utility model discloses a food processor with a good damping effect, which relates to the field of life electric appliances and comprises a cup body, a motor arranged at the bottom of the cup body, a motor support and a fixing piece, a damping piece for isolating the fixing piece from the motor support is arranged between the fixing piece and the motor support, and the fixing piece comprises a threaded part, a limiting part and a connecting part for connecting the threaded part and the limiting part. The threaded part is fastened to the motor, the limiting part is located on the outer side of the motor support, the motor support is provided with an avoiding hole, the damping part comprises a damping ring isolated between the limiting part and the motor support and a damping sleeve isolated between the connecting part and the avoiding hole, and the connecting part is provided with a protrusion protruding outwards relative to the threaded part. The protrusions abut against the outer wall of the motor, axial positioning of the fixing piece is achieved, the situation that the fixing piece excessively extrudes the flexible piece, especially the damping ring, due to the fact that the fixing piece can be screwed tightly in the assembling process, and the damping ring cannot provide buffering and damping is avoided, the damping effect of the damping piece is guaranteed, and vibration noise is reduced.

The utility model provides a medical oxygen generator's noise reduction device, the medical oxygen generator's noise reduction device includes Y-type air inlet pipe, Y-type air inlet pipe includes straight pipe portion and Y-type pipe portion, straight pipe portion one end is connected with the second slip pipe of Y-type pipe portion, straight pipe portion one end is equipped with the first slip pipe that connects with the Y-type pipe portion, the first slip pipe is equipped with the second slip pipe, the second slip pipe is equipped with the second slip pipe, and the second slip pipe is equipped with the second slip pipe. The second sliding pipe is sleeved with the first sliding pipe in a sliding mode, a buffering corrugated pipe part is integrally formed on the first clamping ring, and the other end of the buffering corrugated pipe part is connected with the second clamping ring on the straight pipe part. When airflow enters and gathers along the two pipe ends of the Y-shaped pipe part, the second sliding pipe and the first sliding pipe can slide when the airflow gathers and impacts, and the buffering corrugated pipe part can play a role in damping and buffering, so that vibration noise generated by airflow gathering is reduced, and the service life of the air conditioner is prolonged. A plurality of lubricating oil storage annular grooves used for being filled with solid lubricating oil are formed in the inner wall of the first sliding pipe, so that sliding between the first sliding pipe and the second sliding pipe is smoother, and noise generated by sliding is avoided.

The invention discloses a food processing machine capable of working stably, and relates to the field of life electric appliances, the food processing machine comprises a machine body, a cup body, a crushing device arranged in a crushing cavity, and a brushless motor arranged below the cup body and in transmission connection with the crushing device; the brushless motor comprises a shell with a mounting cavity and a motor body mounted in the mounting cavity, the motor body comprises a rotor and a motor shaft arranged on the rotor, the motor shaft located on the upper side and the lower side of the rotor axially abuts against an upper bearing and a lower bearing respectively, and an upper damping support is arranged between the upper bearing and the top wall of the mounting cavity. A lower damping bracket is arranged between the lower bearing and the bottom wall of the mounting cavity, so that the rotor is flexibly clamped in the mounting cavity, vibration generated during high-speed rotation of the rotor can be reduced to be transmitted to the mounting cavity under the buffering and damping effects of the upper damping bracket and the lower damping bracket, and then vibration transmitted to the whole machine by the brushless motor is reduced; and large vibration noise generated by the machine due to resonance of the whole machine is effectively avoided.

The utility model relates to the technical field of dust removal equipment, in particular to a noise elimination mechanism for dust removal equipment, which comprises a first noise elimination part, the centrifugal fan is arranged on the first silencing part; the second silencing part is arranged on the centrifugal fan; the first silencing part is connected with the centrifugal fan, the silencer is connected with the centrifugal fan, the first silencing part is a cabinet body, a heavy plate is welded to the bottom of the cabinet body, an air pipe opening is formed in the cabinet body, and the cabinet body comprises a metal plate arranged on the heavy plate. Through an assembly composed of the first silencing part, the centrifugal fan, the second silencing part and the silencer, a multi-silencing mechanism is provided for the dust removal equipment so as to reduce noise generated to the outside in the dust removal operation period, the key point is that the fan with large noise pollution is subjected to silencing treatment, vibration noise of the fan body can be reduced, and the service life of the fan is prolonged. And the air flow noise of the exhaust of the fan is weakened, so that the noise of the dust removal equipment forms a maximum area, and a better silencing effect is achieved.

The utility model discloses a cross slip ring of compressor, compressor, thermal management system and vehicle, the cross slip ring includes: ring main part and a plurality of limit key, the plurality of limit key includes a pair of first key and a pair of second key, the first key and the second key both protrude out of ring main part, and the first key and the second key protrude out of ring main part. The pair of first keys are used for being matched with a fixed part of the compressor, the pair of second keys are used for being matched with a movable scroll part of the compressor, and at least part of the peripheral wall of each first key forms an arc-shaped surface and / or at least part of the peripheral wall of each second key forms an arc-shaped surface. Therefore, the frictional resistance borne by the movable scroll component in the moving process can be reduced, the power loss is reduced, the impact load and the vibration noise can be reduced, and the practicability of the cross-shaped slip ring is improved.

The utility model provides an automobile actuator which comprises a lower shell and an upper shell, a gear set and a motor are arranged in an installation cavity of the lower shell, the upper shell is connected with the top of the installation cavity, two positioning protruding columns are symmetrically arranged on an outer shell of the motor, and two first supporting plates are arranged at the bottom of the installation cavity. The two axial ends of the motor are matched between the two first supporting plates, top plates of the two first supporting plates abut against the lower ends of the two positioning protruding columns, and the upper shell is pressed and limited to the upper end of the motor. First reinforcing ribs are arranged at the lower ends of the two first supporting plates and on at least one side in the thickness direction of the first supporting plates; buffering pads are arranged between the lower end face of the motor and the bottom wall of the mounting cavity and between the upper end face of the motor and the lower end face of the upper shell. The automobile actuator disclosed by the utility model is stable in operation and low in noise, and the use comfort of a user is improved.

The present invention relates to an oil-free air compressor with a silent structure applied in the field of air compressors, comprising a soundproof enclosure; a sound-absorbing liner, which is fixedly arranged on the inner wall of the soundproof enclosure; a side panel, both ends of the soundproof enclosure are provided with mounting grooves, the side panel is fixedly arranged inside the mounting grooves, both ends of the sound-absorbing liner are provided with first matching grooves, one side of the side panel is fixedly provided with a first sound-absorbing panel fitted in the first matching groove; a ventilation and heat dissipation structure, the ventilation and heat dissipation structure is arranged at the bottom of the side panel. The performance of reducing the air transmission of noise is achieved by using the above-mentioned sound-absorbing liner, the first sound-absorbing panel and the second sound-absorbing panel; the performance of alleviating vibration noise is achieved by using the above-mentioned shock-absorbing and noise-reducing components; the performance of ventilation and heat dissipation is achieved by using the above-mentioned ventilation and heat dissipation structure, and the ventilation and heat dissipation structure is provided with better noise reduction performance, so as to prevent the noise generated by the air compressor from spreading along the heat dissipation channel.

The utility model belongs to the technical field of air conditioners, and particularly provides an embedded air conditioner. The embedded air conditioner aims at solving the problem that vibration noise generated when an existing embedded air conditioner works is large. Therefore, the embedded air conditioner comprises a machine shell, and at least one installation structure used for installing an elastic component is arranged on the machine shell so that the embedded air conditioner can be installed on the peripheral wall of a target space in an embedded mode through the elastic component. The embedded air conditioner can be embedded in the peripheral wall of the target space through the elastic component, so that vibration between the embedded air conditioner and the peripheral wall of the target space can be eliminated through the elastic component, vibration noise of the embedded air conditioner is reduced, the use experience of a user is improved, and the technical problems are solved.

The juice extractor comprises a shell and a material container, a hydraulic cylinder is fixed to the inner top wall of the shell, an electronic variable pump is fixed to one side of the hydraulic cylinder, a mounting plate is fixed to the bottom end of the hydraulic cylinder, and limiting rods are fixed to the left end and the right end of the mounting plate; an electric telescopic rod is fixed to the bottom end of the mounting plate, a pressing block is fixed to the bottom end of the electric telescopic rod, and the material container is fixed to the inner bottom wall of the shell. Compared with an existing juice extractor, the juice extractor has the advantages that juice is extracted in a pressing mode, few material fragments are generated, the pressure of the filtering mechanism is greatly reduced, meanwhile, the pressing mechanism can move downwards slowly, and therefore the juice extractor can be suitable for juice extraction in different stages; and shock absorption can be conducted on the device in the vertical direction and the side direction, so that damage caused by shock to the device is reduced, and noise generated when the device works can also be reduced.

The utility model relates to the technical field of battery recycling and disassembling, and discloses a portable lead-acid battery disassembling device which comprises a disassembling box, the bottom of the inner side of the disassembling box is fixedly connected with a turnover liquid discharging mechanism, the inner side of the disassembling box is fixedly connected with a pole piece disassembling mechanism, the turnover liquid discharging mechanism comprises a stand column, and the stand column is fixedly connected with the pole piece disassembling mechanism. The bottoms of the stand columns are fixedly connected to the bottom of the inner side of the dismounting box, a fixing shaft is fixedly connected to the close sides of the two stand columns, rotating blocks are rotationally connected to the outer sides of the fixing shafts of the stand columns, and a dismounting table is rotationally connected to the outer sides of the fixing shafts of the stand columns. According to the utility model, the L-shaped sliding block is pushed to slide on the sliding rail through the overturning driving cylinder, the rotating block is driven to rotate around the upright post fixing shaft, and then the dismounting table is overturned, so that the battery liquid automatically flows into the battery liquid pool to be collected, the battery liquid is efficiently discharged, the dangerous liquid can be prevented from being manually contacted, and the potential safety hazard caused by misoperation is prevented.

The utility model belongs to the technical field of food processing, and discloses a food processing machine with a good noise reduction effect, which comprises a machine body, a cup body assembly arranged in the machine body and provided with a crushing cavity, a crushing device arranged in the crushing cavity, and a motor assembly arranged below the cup body and in transmission connection with the crushing device, the motor assembly is arranged in the machine body below the mounting cavity, the cup body assembly is detachably arranged in the mounting cavity, the machine body is further hinged to a cover body, and the cover body can cover the top opening of the mounting cavity so as to seal the cup body assembly in the mounting cavity. The cup body assembly is located in the installation cavity, noise generated in the cup body assembly can be repeatedly rebounded in the installation cavity, so that the energy of the noise is greatly reduced, the volume of the noise spread outwards is reduced, the noise reduction effect is improved, the cup body assembly can be detached relative to the machine body, meanwhile, the working noise can be greatly reduced, and the noise reduction effect is improved. And the light-tone use experience of consumers is met.

The utility model discloses a sectional type rotor punching sheet mounting structure, which relates to the field of motor manufacturing and comprises a punching sheet assembly. An outer key groove is formed in the position, corresponding to the inner key groove of the punching sheet assembly, of the outer ring of the connecting piece, a flat key is installed between the outer key groove and the inner key groove, the inner ring of the connecting piece is connected with the rotating shaft through a key, and torque transmission is achieved; the magnetic steel pressing plates are of a sector-ring-shaped structure, the multiple magnetic steel pressing plates are arranged in an end-to-end aligned mode to form a circular ring structure and cover the surfaces of rotor punching sheets at the top and the bottom of the punching sheet assembly, and a second through hole is formed in the position, corresponding to the first through hole, of each magnetic steel pressing plate, so that the second through hole is aligned with the first through hole, and a screw penetrates into the second through hole; and the magnetic steel pressing plate and the rotor punching sheet are locked. According to the utility model, rotor punching sheet installation difficulty is reduced, rotor punching sheet die manufacturing difficulty and processing cost are reduced, and rotor punching sheet material utilization rate is improved; the material cost and the maintenance cost are reduced, the punching quality inspection difficulty is reduced, and the motor efficiency is improved.

The utility model discloses a laboratory ventilation device of waste gas treatment structure, including installation base plate and the exhaust fan of installation base plate lower end dismounting setting, the lower end of exhaust fan is connected with filter cover, and through fan installation ring -shaped cylinder, installation positioning lock groove, thread positioning lock rod etc. Cooperation of structure makes exhaust fan and can be independently disassembled. The installation positioning block and sliding positioning groove form the guidance, and there is no deviation jamming in dismounting, and the locking nut and locking bolt double -fixed, ensure stable and convenient quick dismounting, can regularly clean exhaust fan blade dust. The utility model discloses the filter cover inside adopts three -level composite filter structure. Waste gas impurity filter screen board intercepts solid particle first, and activated carbon adsorption filter board adsorbs organic pollutant, and two -in -one chemical filter layer handles acidic gas and organic solvent pertinently, compares traditional single straight -line exhaust mode, realizes to the full -flow purification of laboratory complex waste gas, and the discharge meets relevant environmental protection standard.

The utility model relates to the technical field of underwater unmanned vehicles, in particular to an antenna overturning cover plate device and a cover plate system of an underwater unmanned vehicle. The antenna overturning cover plate device comprises an antenna overturning cover plate, a supporting frame is arranged on the antenna overturning cover plate, and a connecting rod is arranged on the supporting frame; one end of the fixed roll-over stand is connected with the body of the underwater unmanned vehicle, and the other end of the fixed roll-over stand is rotationally connected with the connecting rod; the turnover handle is arranged on the connecting rod in a sleeving manner, and a turnover shaft is arranged on the turnover handle; one end of the hydraulic actuating mechanism is connected with the body, the other end of the hydraulic actuating mechanism is connected with the turnover handle through a turnover shaft, and the hydraulic actuating mechanism drives the antenna turnover cover plate to open or close relative to the body; the auxiliary electromagnetic suction mechanism is arranged on the body; and the suction plate is arranged on the antenna overturning cover plate. The molded lines of the antenna overturning cover plate and the underwater unmanned vehicle are kept consistent, and when the antenna overturning cover plate is in a closed state, the streamline at the top of the underwater unmanned vehicle is complemented, and the navigation resistance is reduced.

The utility model discloses a hardware machining drilling machine with a cleaning mechanism, which belongs to the technical field of hardware machining drilling machines and comprises a workbench, a lifting mechanism is mounted at the top of the workbench, a horizontal sliding rail is slidably mounted on the lifting mechanism, a horizontal moving mechanism is slidably mounted on the horizontal sliding rail, and a cleaning mechanism is mounted on the cleaning mechanism. A drilling device is installed at the bottom of the horizontal moving mechanism, and a displacement rod is fixed to one side of the horizontal moving mechanism. Through cooperative use of the workbench, the lifting mechanism, the horizontal sliding rail, the horizontal moving mechanism, the drilling device, a displacement rod, a dust removal box, a hose, a negative pressure fan, a sliding hole, a cleaning groove, a cleaning frame, a bag net, a baffle and a mounting rod, dust and chippings generated in the machining process of the top of the workbench can be collected and cleaned in a centralized mode; and the cleaning and maintaining range is narrowed, the problem that chippings splash to clamp seams or fall on the ground to be inconvenient to clean is solved, and more convenience is provided for use of people.

The invention provides a vehicle sensing device for a safety belt retractor and a control method, and is applied to the technical field of vehicle safety device.An actuator is a metal pin-shaped component and can move from an initial position to an actuating position of a pushing and ejecting actuator in the axis direction of the actuator; when the vehicle encounters an emergency situation or detects that the acceleration of the vehicle reaches a threshold value, the vehicle sensing device responds to a trigger signal through the electromagnetic driving assembly and generates a magnetic field to drive the actuator to move towards the actuating position after being powered on, and the actuator pushes the actuator to rotate and lock the safety belt retractor to protect passengers. The vehicle sensing device is not limited by a horizontal installation state any more, the installation angle range of the vehicle sensing device and the retractor is enlarged, and the vehicle sensing device has low operation noise and vibration noise.

The structure of the high-speed liquid inlet valve port capable of reducing the jet flow impact influence comprises a valve body, and the valve body is provided with a first liquid inlet channel and a second liquid inlet channel which are oppositely arranged. A liquid outlet of the first liquid inlet channel and a liquid outlet of the second liquid inlet channel respectively extend along the surface of the inner wall of the valve body, and the extending directions of the first liquid inlet channel and the second liquid inlet channel are opposite; the first liquid inlet channel and the second liquid inlet channel are located on different axes. The structure is made of a high polymer material with certain elasticity, the impact force borne by the internal structure can be remarkably reduced, vibration noise is reduced, and therefore the internal structure is protected against damage; furthermore, the two liquid inlets which are oppositely arranged are staggered with each other, a vortex region is generated in the valve body, and generation of turbulent flow is inhibited; furthermore, through a groove tooth structure arranged in the liquid inlet channel, noise and vibration are reduced, internal energy is reduced, and working efficiency is improved.

The present application discloses a ventilator air duct assembly and a portable ventilator, the air duct assembly comprises an air duct main body and a blower, the air duct main body is provided with a low-pressure chamber and a high-pressure chamber, as well as an air inlet and an air outlet, the blower is connected with the low-pressure chamber and the high-pressure chamber; the low-pressure chamber comprises a first low-pressure chamber, a second low-pressure chamber and a third low-pressure chamber which are connected in sequence, the first low-pressure chamber is connected with the air inlet, and the third low-pressure chamber is connected with the blower; the air duct main body is provided with a first partition plate which isolates the first low-pressure chamber and the second low-pressure chamber, and a second partition plate which isolates the second low-pressure chamber and the third low-pressure chamber, the first partition plate is provided with a first ventilation hole group, and the second partition plate is provided with a second ventilation hole group; the present application greatly lengthens the air path length within the extremely limited space of the air duct main body, and the air path is tortuous, lengthens the path for sound transmission, increases the difficulty of sound transmission, and the sound will be significantly reduced or eliminated when making a large-angle turn, having a good noise reduction and silencing effect.

The utility model relates to a noise reduction acoustic enclosure convenient to install, which comprises a base, the top of the base is fixedly connected with a first splice plate, the top of the base is fixedly connected with a second splice plate, the inside of the second splice plate is in threaded connection with a bolt, the inside of the first splice plate is fixedly connected with a dust screen, and the inside of the second splice plate is fixedly connected with the dust screen. The back face of the dustproof net is fixedly connected with a fixing support. According to the noise reduction and sound insulation cover convenient to install, the noise reduction structure is arranged and matched with the spiral design of the elastic diaphragm, so that the spiral folding structure of the elastic diaphragm can carry out noise reduction treatment after noise enters the noise reduction cabin, that is, the noise is dispersed through the through holes; and meanwhile, sound waves of different frequency bands are isolated and dispersed on a propagation path through the combination of the elastic diaphragms with different screw pitches, so that the overall noise reduction effect on the transformer can be improved, the transformer is prevented from being damaged due to collision, the transformer is protected, and meanwhile, the mounting and dismounting modes are more convenient.

The present invention provides a washing machine delivery device, which comprises: a delivery box with a hollow interior, a flap that can be flipped open and closed on the delivery box, and a push-up assembly between the flap and the delivery box, which is used to change the locking state after the flap is subjected to a push-up force, and lock or unlock the flap and the delivery box. The present invention provides a push-up assembly between the flap and the delivery box, and after the user provides a push-up pressure on the flap, the locking state of the push-up assembly can be changed, so that the flap and the delivery box are locked or unlocked, so that the push-up assembly can be used to achieve the effect of the flap being pushed open and closed by the user after pressing, which not only allows the flap to be locked after closing, preventing the flap from generating vibration noise when the washing machine is running, but also improves the user's operating experience. At the same time, the present invention also provides a washing machine equipped with the above delivery device.

The utility model belongs to the technical field of air conditioners, and particularly provides a shock pad used for supporting an air conditioner indoor unit, an air conditioner indoor unit assembly and an air conditioner. The air conditioner indoor unit solves the problem that vibration noise generated when an existing air conditioner indoor unit works is large. The shock pad comprises a body and a supporting structure. The supporting structure is arranged on the top side of the body, extends in the direction away from the body from the body and is used for supporting the air conditioner indoor unit. Vibration generated when the air conditioner indoor unit works can be absorbed through the shock pad, so that vibration noise of the air conditioner indoor unit is reduced, and the use experience of a user is improved.

The present invention discloses a bracket structure and an outdoor unit, wherein the bracket structure comprises: a first bracket, a second bracket and an L-shaped connecting plate, wherein the first bracket is used to fix and support a gas-liquid separator, the second bracket is used to fix and support a stop valve, the connecting plate connects the first bracket and the second bracket, and the first bracket, the second bracket and the connecting plate are an integrated structure and are mutually perpendicular. Thus, the number of parts of the bracket structure is reduced, the production process is reduced, the number of materials is reduced, and the pipeline design space is saved.