160results about How to "Small volumn" patented technology

The invention relates to the technical field of air conditioning equipment, in particular to an air treatment air cabinet. The air handling air cabinet comprises a shell, an air duct is arranged in the shell, and the air duct comprises an air return channel, a heat exchange channel and an air supply channel which are sequentially arranged in the air flow direction; the air return channel and the air supply channel are arranged side by side in parallel, so that the air channel is of a U-shaped structure. The heat exchanger comprises a filter module, a heat exchange module, a fan module and a silencing module. According to the embodiment of the invention, the air duct is arranged to be of the U-shaped structure, so that the flowing path of air in the air cabinet is more reasonable, the air flowing resistance is reduced to a certain extent, and the air treatment efficiency is improved. Due to the fact that the filtering module is mainly installed in the air return channel, the space occupied by the filtering module is sufficient, under the condition of the same air passing area, the filtering module can be thicker, the whole unfolded filtering area is larger, the service life is longer, and the replacement period of the filtering module is greatly prolonged.

The utility model relates to the technical field of pipeline equipment, and discloses a noise reduction building drainage pipeline which comprises a water inlet pipe, a flow control valve is fixedly installed at the top end of the water inlet pipe in a sealed mode through threads, a flow detector is installed on the flow control valve in an integrated mode, and the flow control valve is electrically connected with the flow detector. An acceleration pipeline is fixedly installed at the bottom end of the water inlet pipe through threads, the diameter of the acceleration pipeline is smaller than that of the water inlet pipe, a deceleration pipeline is fixedly installed at the bottom end of the acceleration pipeline through threads, and the diameter of the deceleration pipeline is gradually increased; by arranging the water inlet pipe, the flow control valve, the flow detector, the acceleration pipeline, the deceleration pipeline and the outlet pipeline, the problems that an existing water pipe system usually generates noise at night of a building due to too high water flow speed, collision between water flow and a pipe wall, vortex formed by the water flow in a pipe and other factors are effectively solved; the problem of inconvenience in use in some environments which are strictly required to be quiet is solved.

The present invention discloses a trailer-type RV compartment with high space utilization rate, comprising a RV body, wherein wheels are arranged at four ends of the bottom of the RV body, a placement base is arranged at the bottom end of the back of the RV body, a compartment body is arranged on the top of the placement base, and a sound insulation board is arranged on the top of the compartment body and the RV body. The trailer-type RV compartment with high space utilization rate is not easy to deviate during the movement of the RV body by arranging the compartment body, the RV body, a fixing seat and a placement groove, and the user will not feel vibration inside the compartment body, and the body feeling is better. By arranging the extension plate, the hinge part, the slot, the connection part and the internal groups of the support part, the internal space utilization rate of the compartment body is improved, and the support part plays a supporting role. By arranging the sound insulation board, the body feeling of the user inside the compartment body is improved. Due to the hydrophobic layer, rainwater is guided to both sides of the RV body along the sound insulation board to avoid accumulation on the top of the sound insulation board.

The utility model relates to the technical field of blood purification, and particularly discloses a pipeline switching device and a purification system.In the pipeline switching device, a power piece is arranged on a fixing assembly; the fixing assembly is provided with a first side wall and a second side wall. The rotating shaft is connected with the output end of the power piece; the eccentric pressing rod is arranged at the end, away from the power piece, of the rotating shaft and can rotate among the first position, the second position and the middle position, the distance between the eccentric pressing rod and the first side wall is reduced in the process that the middle position rotates to the first position, and the distance between the eccentric pressing rod and the first side wall is reduced in the process that the middle position rotates to the second position. By means of the arrangement, the pipeline switching device is low in cost, small in occupied space, small in sound in the rotating process, suitable for a quiet environment and beneficial to rest of a patient.

The utility model provides a roof cornice waterproof structure for architectural design, which comprises a mounting rack, a water guide box, a water storage box, a water storage box, a water storage box, a water storage box, a water storage box, a water storage box, a water storage box and a water storage box, and is characterized in that the mounting rack is fixed on a wall surface and is arranged right below an eave; one side of the filtering box is hinged to one side of the top of the water diversion box, the other side of the filtering box is in lap joint with the other side of the top of the filtering and water diversion box, and the filtering box is used for collecting and blocking sundries in rainwater; the impurity removal part is mounted on the filter box and the water diversion box and is used for pulling and turning over the filter box; according to the roof cornice waterproof structure for building design, through the arrangement of the filter box, the effect of filtering impurities falling into the water diversion box is achieved, and the situation that leaves and other large-size impurities fall into a water diversion box plate, and consequently the drainage part is blocked is avoided; the problems of water accumulation and leakage are avoided, impurities in the filter box can be cleaned under the cooperation of the impurity removal part, and the situation that the filter box is blocked after being used for a long time, and use is affected is avoided.

The utility model discloses a seat cushion for learning. The seat cushion comprises a seat cushion cover, a flexible material layer is filled in the seat cushion cover, a cavity is arranged at the end of the seat cushion cover, a timer is arranged in the cavity, the timer is connected with an electric control device, and the electric control device is connected with a vibrator and a storage battery. An opening is formed in the surface of the cushion cover at the cavity, a suede layer is arranged on the surface of the cushion cover at the periphery of the opening, and a hook surface layer for sealing the opening is adhered to the suede layer. According to the utility model, the action reminding sound is very weak, so that other people cannot be hindered, the health of the student cannot be harmed, and the device is very suitable for being used in public learning occasions such as reading rooms and self-study rooms, and helps students to better control time and execute time plans set by the students in the public learning occasions.

The utility model discloses a hand bag making indentation device which comprises a base and an installation frame, the installation frame is fixedly arranged on the top of the base through a support, and the utility model relates to the technical field of hand bag making. According to the indentation making device for the hand bag, the sample placing table is rotationally arranged in the mounting frame, and the automatic discharging mechanism is arranged between the sample placing table and the top plate, so that when the top plate carries out indentation on the hand bag at the top of the sample placing table through the indentation strip, the automatic discharging mechanism can carry out automatic inclined stripping on the indented hand bag at the top of the sample placing table; and secondly, the elastic binding belt is arranged between the lofting table and the base, so that the lofting table can be conveniently and rapidly reset and avoid excessive overturning through the pulling force of the elastic binding belt, and secondly, the rubber strip is arranged at the bottom of the lofting table, so that the lofting table can be reset, and the sound can be reduced through the rubber strip when the lofting table is reset.

The present invention relates to the technical field of veterinary-related equipment, and in particular to a drug drencher convenient for animal husbandry and veterinary use, comprising a rope loop and a soft pad, a fixed frame fixedly installed on the upper end of the soft pad, a medicine cartridge fixedly installed on the top of the fixed frame, a limiting mechanism for limiting a magnetic ring installed on the medicine cartridge, a magnetic piston sealed and slidably installed inside the medicine cartridge is provided on the inner side of the magnetic ring, and a liquid discharge mechanism is provided inside the magnetic piston; an axis plate fixedly installed on the side of the magnetic ring, a rotating shaft rotatably installed on the axis plate, a slide rod slidably installed on the outer side of the rotating shaft, sliders slidably installed on both sides of the slide rod, and a driven groove arranged vertically slidably installed on the outer side of one end of the slider away from the slide rod. In the present application, when a horse is injured or has problems, it can reduce the stress of the horse and allow the veterinarian to quickly complete the drug drenching task of the horse by a single person operation to ensure that the best treatment time is not missed.

The utility model relates to the technical field of automobile safe driving auxiliary equipment, and provides an in-vehicle decibel alarm device which comprises a connecting bottom plate, magnetic attraction stones are fixedly connected to the two sides of the top of the connecting bottom plate, a connecting shell is fixedly connected to the top of the connecting bottom plate, a sound sensor is fixedly connected to one side of the top of the connecting shell, and the sound sensor is fixedly connected to the other side of the top of the connecting shell. An empty groove is formed in the connecting bottom plate, a signal processor is fixedly connected to the interior of the empty groove, the signal processor is electrically connected with the sound sensor, a sound alarm is fixedly connected to one side of the top of the connecting bottom plate, and a plurality of sound outlet grooves are formed in the sound alarm. The sound alarm is electrically connected with the signal processor, and the two sides of the interior of the empty groove are fixedly connected with a microprocessor and a storage correspondingly. By means of the technical scheme, the problem that in the prior art, it is not convenient for the device to carry out multi-decibel alarm reminding in a vehicle is solved, and the practicability of the device is guaranteed.

The utility model relates to a mute enamel wash basin, which belongs to the technical field of household bathroom accessories and comprises a basin body and a basin plate, the basin body and the basin plate are integrally stretched and formed, the peripheral side of the basin plate is bent downwards to form a reinforcing frame, and the basin body, the basin plate and the reinforcing frame are covered with an upper enamel layer and a lower enamel layer. The utility model relates to a noiseless enamel wash basin, which comprises a basin body and a basin plate, a drain hole is arranged in the basin body, a sound insulation material is arranged below the basin plate, and the sound insulation material is sound insulation cotton or sound insulation foam plates or sound insulation felts.The utility model aims to provide the noiseless enamel wash basin which is simple and reasonable in structure, light in whole, easy to clean and not easy to damage.

The utility model relates to bearing technical field discloses a mute bearing with dustproof cover, including top and bottom cover, the top bottom side fixedly connected with a plurality of clamping blocks, the clamping block outer wall fixedly connected with the card sparrow, the bottom cover top is equipped with fixed hole, the top inner wall slidingly connected with the rotating rod, the rotating rod bottom outer wall links with the bottom cover through quick -release assembly, the top and bottom cover similar side is equipped with outer axle, the outer axle inner wall fixedly connected with the outer ring support, the outer ring support outer wall is provided with the roller, the roller outer wall rotatably connected with the retainer, the retainer inboard is provided with the inner axle, the inner axle both sides are equipped with the sound insulation piece, the top and bottom cover inner wall is equipped with the sound -absorbing component. In the utility model, the dustproof cover with the mute bearing can be quickly disassembled, and simultaneously has the noise reduction function, thereby being convenient for maintenance, prolonging the service life of bearing.

The utility model discloses a material grinding device for processing high-temperature-resistant road matrix asphalt, which comprises a base, a damping structure mounted at the top end of the base, a material box mounted at the top end of a connecting pipe, and a spraying mechanism mounted on one side of the top end of the base. The spraying mechanism comprises a water tank, a servo motor, a first gear, a second gear, a water pump, a spraying pipe, a nozzle, a guide pipe and a water inlet, and the water tank is mounted on one side of the top end of the base. The water tank is installed on one side of the top end of the base, water and deodorant can be filled into the water tank through the water inlet, the deodorant and the water are mixed, then the water pump works to suck out the water in the water tank through the guide pipe, then the water is fed into the spraying pipe, the atomizing nozzle can spray out the atomized water, and the deodorant is sprayed out through the water inlet. And after being sprayed out, the water can clean dust, and meanwhile, the deodorant mixed with the water can reduce the smell generated during asphalt processing, so that the aim of conveniently reducing the asphalt smell of the grinding device for road matrix asphalt processing is achieved.

The utility model discloses a buffering mechanism for preventing an oil supply pipeline from jumping disorderly, which comprises a steel pipe, the middle part of the steel pipe is provided with a buffering mechanism, and the buffering mechanism comprises a rubber corrugated pipe, two rubber pipes, two heat shrink tubes and two SAE flanges; the rubber corrugated pipe is connected between the two rubber pipes, the outer surface of the connecting position of the rubber corrugated pipe and the rubber pipes is sleeved with a heat shrink pipe, the heat shrink pipe shrinks after being heated to fixedly connect the rubber corrugated pipe and the rubber pipes, and the ends, away from the direction of the rubber corrugated pipe, of the two rubber pipes are fixedly connected with one end of the steel pipe through SAE flanges respectively. The utility model has the advantages that the rigid requirement on the original material is changed into the flexible requirement, the static and dynamic displacement, vibration and collision strength among the four oil supply pipelines are reduced, the sound generated by the collision of the oil supply pipelines is greatly reduced, the noise is reduced, the maintenance frequency of equipment is reduced, the safety coefficient of the equipment is improved, and the service life of the equipment is prolonged. And the stability of normal operation of the oil supply pipeline is improved.

The utility model discloses a high-strength bamboo fiber automobile tail door interior trim panel which comprises an interior trim panel body, a partition plate is fixedly connected to the inner side of the interior trim panel body, a reinforcing structure is arranged between the interior trim panel body and the partition plate, and a sound insulation and heat insulation structure is installed on the side, close to an automobile tail door, of the partition plate. The reinforcing structure is arranged between the interior trim panel and the partition plate, the overall strength of the interior trim panel can be improved, the arranged supporting assembly can conduct strength supporting in the vertical direction between the interior trim panel and the partition plate, the stabilizing effect of the interior trim panel is further enhanced, and the heat insulation assembly is arranged on the side close to the automobile tail door. The heat insulation layer can insulate external high temperature and reduce the temperature in an automobile when the automobile tail door is irradiated in hot weather, the heat-resistant layer and the flame-retardant foam layer are arranged to further play a role in heat insulation and heat preservation so as to improve the comfort in the automobile, and the sound absorption assembly and the sound insulation cotton are additionally arranged, so that not only is the heat insulation effect achieved, but also the safety of the automobile is improved. Sound insulation can be achieved, and sound is effectively reduced.

The present invention discloses an air circuit module and a ventilator. The air circuit module includes a shell, a bracket, an oxygen introduction device and an exhaust fan; the bracket is arranged in the shell, and the bracket and the shell together enclose an air channel, a mixing chamber and an exhaust channel; the mixing chamber has an inlet and an outlet that are interconnected, one end of the air channel is connected to the inlet, and the air channel includes at least two curved channels; one end of the exhaust channel is connected to the outlet, and the other end is connected to the outside of the shell; the oxygen introduction device is connected to the bracket and connected to the inlet; the exhaust fan is arranged in the mixing chamber. In the technical solution of the present invention, the air inhaled by the air channel and the oxygen introduced by the oxygen introduction device are fully mixed under the action of the exhaust fan in the mixing chamber, and then discharged from the exhaust channel. The at least two curved channels of the air channel make the length of the air channel longer, thereby reducing the noise.

The invention relates to the technical field of silencing equipment, in particular to a silencing device of a diesel generating set, which comprises a silencing box body internally provided with the diesel generating set, the silencing box body is formed by sleeving an outer layer box body outside an inner layer box body, and a cavity between the inner layer box body and the outer layer box body is subjected to vacuum treatment. A vacuum cavity is formed between the inner-layer box body and the outer-layer box body; the noise reduction mechanism comprises a plurality of noise reduction pipelines arranged on the inner-layer box body, the noise reduction pipelines are distributed on the inner-layer box body at different heights, each noise reduction pipeline is formed by communicating two symmetrically-distributed folded pipelines, the number of steering pipelines of the noise reduction pipelines is at least six, and the bottoms of the noise reduction pipelines are fixedly connected with guide pipelines; the cavity between the inner-layer box body and the outer-layer box body is subjected to vacuum treatment, so that a vacuum cavity is formed between the inner-layer box body and the outer-layer box body, transmission of sound waves is prevented, the sound waves can only be transmitted outwards through the silencing pipeline, and therefore noise is subjected to silencing treatment.

The utility model belongs to the technical field of baby carriages, and particularly relates to a baby carriage auxiliary shaking device which comprises a driver, a transmission wheel, a connecting rod, a positioning piece and a limiting piece. One end of the positioning piece is connected with the base body, and the other end of the positioning piece is connected to the driver; an output shaft of the driver is in transmission connection with the transmission wheel; one end of the connecting rod is connected to the transmission wheel, and the other end of the connecting rod is connected to the limiting piece; the limiting pieces are detachably connected to wheels of the baby carriage; when the driver rotates, the transmission wheel drives the connecting rod to do reciprocating motion, so that the wheels shake. Therefore, the problems that the sleep inducing device is complex in structure and troublesome to maintain and has potential safety hazards are solved.

The invention relates to a blooming bullet. The blooming bullet comprises a bullet case, launching gunpowder and a bullet head. The device is characterized in that the bullet head is a spring opening type blooming bullet head and comprises a bullet head shell, a base, a pressure spring, a torsion spring, a basin-shaped partition piece and a marble; the portion, provided with the first concave ring groove, of the outer circle of the tail of the bullet shell is assembled with the first inwards-protruding ring step of the round opening portion of the base. The round opening end of the base is provided with an opening gap. A collision stroke distance is formed between the second inner convex circular ring step of the base and the tail part of the bullet shell; the bullet shell is formed by assembling a first petal shell and a second petal shell, a supporting arch of the torsional spring is assembled at the lower end of the inwards-protruding step, the compression spring is assembled between the supporting arch of the torsional spring and the base, and the outer circle of the tail of the bullet shell is fixed to an opening of the bullet shell. And a marble is assembled at the upper part of the basin-shaped separator in the bullet shell chamber. According to the blooming bomb, blooming coverage faces of different ranges can be set according to the rigidity of the spring, so that reliable shooting efficiency is obtained, and the long-distance shooting capacity is improved.

The invention relates to a door and window sealing structure and belongs to the technical field of doors and windows. The door and window sealing structure comprises a frame body, a first partition piece and a second partition piece, the frame body is provided with a heat insulation strip and installed on a wall body, and a first opening right facing the outdoor side and a second opening right facing the indoor side are formed between the frame body and the wall body; the first separator and the second separator are both bonded with the frame body and the wall body, the first separator seals the first opening, the second separator seals the second opening, the first separator has the characteristics of water resistance and air permeability, and the second separator has the characteristics of water resistance and air isolation; wherein the first partition piece, the second partition piece, the frame body and the wall body define a partition cavity, the partition cavity is filled with filler, the projection of the heat insulation strip on the filler is located between the first partition piece and the second partition piece, and the distance between the heat insulation strip and the first partition piece is closer than the distance between the heat insulation strip and the second partition piece. The door and window sealing structure provided by the embodiment of the invention can discharge water vapor between the door and window and the wall body.

The utility model provides a kind of low-noise coal crusher for power plant machinery, it is related to power plant machinery technical field, including box, the top of box is provided with rotating mechanism;Rotating mechanism includes first protective shell, the bottom surface of first protective shell is fixedly connected with feed shell, the outer surface of feed shell is fixedly connected with the inner wall of box, the upper surface of feed shell is fixedly connected with first servo motor, the output end of first servo motor power is penetrated feed shell and fixedly installed with propeller, the outer surface of propeller is in contact with the inner wall of feed shell.This kind of low-noise coal crusher for power plant machinery, combined with the collaborative operation of first servo motor and feed shell, coal block is orderly guided to the inside of box, this characteristic greatly reduces the sound in the process of conveying, effectively avoids coal block direct impact box wall or crushing device, thereby greatly reduces the generation of noise reduces the generation of noise, also ensures the stability of coal block in the process of conveying.

The present invention discloses a multi-system fusion running gear monitoring system, including a running gear monitoring host, a preprocessor, a vehicle body vibration sensor, a frame vibration sensor, a gearbox vibration sensor, an axle box composite sensor, a gearbox composite sensor and a motor composite sensor, wherein the frame vibration sensor, the gearbox vibration sensor, the axle box composite sensor, the gearbox composite sensor and the motor composite sensor are installed on a bogie, the vehicle body vibration sensor is connected to the running gear monitoring host via CAN communication, the preprocessor is connected to other sensors via CAN communication, the preprocessor is connected to the running gear monitoring host via Ethernet, the axle box composite sensor, the gearbox composite sensor and the motor composite sensor include a connector, a nylon hose and a probe, and a vibration reinforcement member is provided on the probe. Compared with the prior art, the present invention has the advantages of complete functions, strong anti-interference ability and high monitoring sensitivity.

The utility model discloses a novel earphone structure, and particularly relates to the technical field of earphones, the novel earphone structure comprises an earphone head and an ear hook, one end of the earphone head is rotatably connected with the ear hook, one end of the ear hook connected with the earphone head is provided with a butt joint, and the butt joint is provided with a shaft hole; an avoiding opening with a certain width is formed in one side, corresponding to the ear hook, of the earphone head, a rotating shaft is arranged in the avoiding opening, and a shaft hole in the ear hook penetrates through the rotating shaft and is arranged on the rotating shaft in a sleeving manner, so that a rotatable state is formed between the ear hook and the earphone head. According to the utility model, the pressing block is made of a material with certain flexibility and resilience, so that the ear hook has certain damping force, the sound is smaller when the ear hook is rotated, in addition, the ear hook adopts a rotary design, and compared with a traditional earphone with a fixed ear hook, the earphone is more comfortable to use, and is more comfortable to wear. According to the earphone, the fitting degree between the earphone body and the auricle of the human body can be adjusted by rotating the ear hook, so that the wearing comfort of the earphone is improved, the wearing stability is good, and the earphone is prevented from falling off easily.

The invention discloses a crane telescopic system cylinder arm pin control device and method, the crane telescopic system cylinder arm pin control device comprises a controller, an arm position detection device and a cylinder pin fixed point detection device, and the arm position detection device and the cylinder pin fixed point detection device are both installed on a telescopic arm (7); wherein the arm position detection device comprises a first proximity switch (1), a second proximity switch (2) and an arm position detection metal strip (12), the first proximity switch (1) and the second proximity switch (2) are installed on a telescopic oil cylinder head (13), the arm position detection metal strip (12) is installed on each section of suspension arm of a telescopic arm (7), and the controller is electrically connected with the first proximity switch (1) and the second proximity switch (2). The invention mainly aims to solve the problems of low cylinder pin insertion and extraction efficiency and incapability of accurate control in the existing telescopic system, realize accurate control of cylinder pin insertion and extraction, and improve the telescopic efficiency of the crane.

The mute feeder comprises a food bowl (1), a cover plate (2), a first support (4) and a second support (5), the cover plate (2) is driven by an electric motor (3), a driving roller (6) is rotatably connected between the first support (4) and the second support (5), the cover plate (2) is arranged around the driving roller (6), and the cover plate (2) and the driving roller (6) are in transmission connection. The driving roller (6) comprises a columnar roller body (7) as well as a first end part (8) and a second end part (9) which are respectively positioned at two ends of the columnar roller body (7), the first end part (8) is rotatably connected with the first bracket (4), and the second end part (9) is rotatably connected with the second bracket (5); the cylindrical shell (10) is sleeved in the cylindrical barrel (7) in a suspended manner, the electric motor (3) is arranged in the cylindrical shell (10), and the electric motor (3) is connected with the cylindrical shell (10) through a damping seat (11); the present disclosure facilitates further reduction of sound.

This utility model discloses a miniature conveying device, characterized in that it includes: a frame assembly, a drive assembly, chain plates, and contact plates; the frame assembly includes: a support frame; the upper and lower surfaces of the support frame are provided with grooves, the sides of the grooves are support plates, the contact plates are sleeved on the support plates and engaged with the support plates, the surface of the contact plates is smooth, and the chain plates are disposed on the contact plates; the drive assembly is used to drive the chain plates to move on the contact plates; the chain plates include: a base plate, a substrate, and clamping plates; the substrate is disposed on the substrate, the substrate is located in the groove, the two ends of the substrate are respectively located on the two contact plates, and clamping plates are provided on both sides of the substrate, the clamping plates are located below the contact plates. This utility model can avoid wear and tear of the chain plates due to friction during movement, improve the service life of the chain plates, and reduce the noise emitted by the conveying device.

The invention relates to the field of building construction, in particular to a shear fork type truss leveling and troweling device based on a building machine, which comprises a structure assembly, a stand column assembly, a working assembly, a walking assembly and a protection mould, the structure assembly comprises a hanging column, a cable-stayed part and a steel platform, the hanging column is arranged on the side surface of the protection mould, and the cable-stayed part is arranged on the side surface of the protection mould; the inclined pulling part is fixedly connected to the side face of the hanging column through a bolt, the steel platform is fixedly connected to the top of the hanging column through a bolt, the bottom end of the hanging column is fixedly connected with a transverse rail, and a vertical rail is arranged on the side face of the transverse rail. Through the arrangement of the structure assembly, the stand column assembly, the working assembly, the walking assembly and the protection mold, the device has the advantages of being high in integration and automation, high in precision and quality, high in adaptability and flexibility, high in reliability, convenient to maintain, intelligent and traceable, and the safety is remarkably improved.

The utility model relates to the technical field of data processing devices, in particular to a data processing device for big data analysis and management, which is characterized in that a damper and a spring are arranged, and the position of an iron sliding block is adjusted by a pulling block, so that the contact and the separation of a strong magnetic block and the iron sliding block are controlled; the top cover of the data processing device is conveniently disassembled, later maintenance and repair of the device are facilitated, heat generated in the device is absorbed by arranging a water pump and a snake shape, is carried into a condenser to be taken out and then is blown out through a micro fan, and a water-cooling and air-cooling simultaneous working mode is utilized, so that the data processing efficiency is improved. While heat dissipation of the device is ensured, sound generated during operation of the device can be reduced to a great extent.

The utility model relates to the technical field of log suite doors, and discloses a folding log suite door which comprises a supporting frame and a first door frame, clamping rods are rotationally connected to the two ends of the interior of the supporting frame in a clamped mode, and second door frames are fixedly connected to the middles of the outer walls of the two clamping rods. Second connecting plates are arranged at the upper ends and the lower ends of the end faces of one sides of the two second door frames correspondingly, one ends of the multiple second connecting plates are rotationally connected with first connecting plates through rotating shafts correspondingly, and the two second door frames are arranged at one ends of the multiple first connecting plates. One end of the first door frame and one end of the second door frame are in sliding connection and rotating clamping connection with the frame respectively, the other ends of the first door frame and the second door frame are in rotating clamping connection with the connecting frames on one sides of the lower ends of the first door frame and the second door frame, the lower ends of the connecting frames are in rotating connection with the idler wheels, and the idler wheels are in rolling connection in the limiting grooves. And after long-time use, the door frame does not deform, so that the service life of the door is greatly prolonged.

The utility model provides a collar clip microphone noise elimination structure, which comprises a main body mechanism, a separation mechanism arranged at the bottom of the main body mechanism and a protection mechanism arranged on one side of the main body mechanism, and is characterized in that the main body mechanism comprises a shell, a sound insulation plate arranged at one end of the top of the shell and a key arranged at the top of the sound insulation plate, the button is arranged in the shell, the foam ring is arranged at the bottom of the periphery of the button, the silica gel sheet is arranged at the top of the button, and the microphone is arranged on one side of the shell. When the microphone is used, the keys are arranged on one side, far away from the microphone, of the top of the shell, so that noise of the keys transmitted to the microphone to receive sound is reduced, the silica gel sheets on the surfaces of the keys can reduce sound between fingers and the keys, and the sound insulation plates at the bottoms of the keys and the foam rings on the peripheries obstruct sound generated when the keys are pressed. And when the microphone is not used, the handheld piece is held by hand to magnetically clamp and fix the magnetic ring on one side of the protective cover and the clamping groove on one side of the shell, so that the microphone is protected.