43results 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 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 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 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 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.

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 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.

The present invention is a noise reflector, a fender lining, and a noise reduction method for reducing engine sound leaking to the side of a vehicle. In this embodiment, the noise reflector (10) is mounted on the lower surface of a front side beam (20), and the sound reflecting surface (11A) of the noise reflector (10) is arranged to face a side opening (92C) formed on the side of an engine room (91).

An electronic device according to various embodiments of the disclosure can include a motor, a microphone, an expandable and / or contractible display, and a processor, wherein the processor: when a call is received, identifies whether the display is in an expanded state; identifies whether the display has been configured to be contracted when the display is in the expanded state; drives the motor to contract the display; and when the display has been configured to be contracted, applies a first filter to a sound received via the microphone; and when the display is contracted, applies a second filter different from the first filter to the sound received via the microphone.

The utility model relates to a stainless steel corrugated pipe, and relates to the technical field of fluid conduits, the stainless steel corrugated pipe is used for being placed between two devices to guide fluid, the stainless steel corrugated pipe comprises a plurality of straight pipe sections and a plurality of corrugated sections which are integrally formed, the straight pipe sections and the corrugated sections are alternately arranged together, and the interiors of the corrugated sections and the straight pipe sections are communicated. The multiple corrugated sections are each of a spiral structure in the extending direction of the pipe body, and the thickness of the corrugated sections is consistent with that of the straight pipe sections. When flowing through the corrugated section of the threaded pipe, fluid can be affected by the spiral structure of the corrugated section to rotate along the pipe wall, in the process, the fluid can carry out impurities deposited at the bottom of the corrugated section of the corrugated pipe under the action of centrifugal force, and the effect of purifying the environment in the pipe is achieved.

The utility model discloses a lifting assisting mechanism for skylight glass, which belongs to the field of skylight glass and comprises the skylight glass arranged on a skylight frame. The power assisting component is arranged between the skylight glass and the skylight frame and comprises an upper swing arm and a lower swing arm, the close ends of the upper swing arm and the lower swing arm are hinged through a hinge joint, and the far ends of the upper swing arm and the lower swing arm are hinged to the skylight glass and the skylight frame at the corresponding ends through hinge pieces correspondingly. A first extension spring is arranged in the upper swing arm, through the arrangement of the power assisting component, when the skylight glass is lifted, the first extension spring, the second extension spring and the steel wire rope are matched to form transverse driving force, upward lifting force is conveyed to the skylight glass, the lifting power of the electric push rod is reduced through the arrangement of the power assisting component, the sound is smaller, and the service life of the skylight glass is prolonged. The power-assisted components on the two sides of the skylight glass are convenient to lift the skylight glass, and besides, the lateral rigidity effect is enhanced.

The utility model provides a battery pack transportation device, which relates to the technical field of automatic transportation of battery packs, and is characterized in that a first driving wheel and a first driven wheel are arranged at two ends of a first main frame, a synchronous belt is used for connecting the first driving wheel and the first driven wheel, and a driving part drives the first driving wheel to rotate; the synchronous belt drives the first driven wheel to rotate synchronously, and due to the fact that the first driving wheel and the first driven wheel are meshed with the synchronous belt, when the first driving wheel and the first driven wheel rotate, the first driving wheel and the first driven wheel move in the extending direction of the synchronous belt relative to the synchronous belt; when the first driving wheel and the first driven wheel move relative to the synchronous belt in the extending direction of the synchronous belt, namely, the first driving wheel and the first driven wheel move in the extending direction of the first cross beam, so that the walking frame moves on the first cross beam in the first direction. The synchronous belt can be assembled without high mounting precision, the reloading efficiency can be improved, meanwhile, the synchronous belt does not need additional lubrication, and cleanliness in the battery replacing station is ensured.

The purpose of the present disclosure is to provide an air purifier in which a sound having a frequency band that changes due to the propagation of the sound within a housing is reduced. In an air purifier (100), a first muffler (20) is provided separately from a housing (40), and an internal space (21) of the first muffler (20) is disposed so as to be in contact with a first space (24) on the downstream side of a tongue portion (13c) in an air flow generated by a blower (15). As a result, it is also possible to reduce sound that changes in frequency band as a result of sound propagating through the housing (40).

The utility model relates to the technical field of heating device, disclose a kind of skirting line heating device structure, including heating device body, heating mechanism, filter mechanism and heat dissipation mechanism, the back of the heating device body is provided with heat dissipation mechanism, the heating mechanism includes water inlet pipe, the top of the water inlet pipe is fixedly connected with water inlet tee, the side of the heating device body is fixedly connected with return pipe, the top of the return pipe is fixedly connected with return tee, the top of the heating device body is provided with external air outlet. The utility model is connected by setting hot water from water inlet pipe into the inside of heating device body and water inlet tee, so that return pipe and return tee can be connected to each other to keep hot water in the inside of heating device body, ensure the sufficient amount of heating, by setting pull handle, filter plate can be pulled out from the inside of heating device body through sliding slot, so it is beneficial to the cleaning and replacement of filter plate, ensure the filtration quality of heating.

The present invention discloses a displacement assembly, including a displacement box, a crossbeam and an elastic pressing device. There are two displacement boxes, and a receiving groove is provided on the displacement box. The two ends of the crossbeam are placed in the receiving grooves corresponding to the displacement boxes, and the transverse end walls of the crossbeam and the transverse side walls of the corresponding receiving groove have transverse gaps, and the sum of the spacings of the two transverse gaps is greater than the deformation of the expansion joint. The two side walls of the crossbeam and the longitudinal side walls of the receiving groove have longitudinal gaps. The displacement box is equipped with an elastic pressing device for pressing the top surface of the crossbeam. A multi-directional displacement dustproof slide expansion joint is also disclosed. Through the displacement assembly, the rebound energy of the dustproof slide can be absorbed by the compression spring, thereby effectively reducing the rebound force of the dustproof slide, reducing the collision force between the dustproof slide and the supporting steel plate, so that the sound when the vehicle passes through the expansion joint is effectively reduced; through the crossbeam and the dustproof slide fixedly connected, the connecting bolts are mainly subjected to the transverse shear force, and the connecting bolts are not easy to loosen, reducing the maintenance cost.

The utility model belongs to the technical field of range hoods, and particularly discloses a noise reduction device of a range hood and the range hood. According to the noise reduction device of the range hood and the range hood provided by the utility model, the distribution and arrangement structures of the first boss and the plurality of diffusion grooves enable noise sound waves to be diffused, and the noise sound waves are reflected to different directions, so that directional reflection of the noise sound waves is broken through; the sound wave energy of the noise sound wave is greatly consumed in the range hood shell of the range hood, so that the effect of effectively reducing the noise sound wave energy is realized, and the sound conducted beside the ears of a user is further reduced; the noise reduction device does not occupy the space in the range hood shell, does not influence the exhaust air rate of the range hood, is modularized in design, convenient to disassemble and assemble and suitable for noise elimination of all frequency bands, has the characteristics of broadband sound absorption, low airflow impedance and modularized maintenance, and improves the use experience of a user.

The utility model relates to the technical field of laser module focusing, in particular to a laser module focusing device. The technical problem is that a traditional laser module focusing device may make noise during focusing, and especially when an automatic focusing function is used, normal use may be affected when the laser module focusing device is used in some environments needing relatively quiet. According to the technical scheme, the laser module focusing device comprises a mounting tube, a driving assembly, a moving assembly, a protection assembly, a focusing assembly, a noise reduction assembly and a noise reduction assembly; compared with a traditional laser module focusing device which may make noise during focusing, the laser module focusing device reduces the contact between the focusing structure capable of linearly moving and other surfaces during movement, and reduces the noise generated during movement in a rolling manner. And a double-layer noise reduction structure is arranged inside and outside the focusing structure, so that noise generated during focusing is further reduced, and noise reduction processing on the laser module focusing device is realized.

The utility model belongs to the technical field of steam exhaust and noise elimination, and discloses an aerated concrete still kettle steam exhaust device with a noise elimination mechanism, which comprises exhaust pipes fixedly connected through a connecting flange, and further comprises a first honeycomb noise elimination plate and a second honeycomb noise elimination plate, an inner cavity on one side of the flange end of the exhaust pipe is expanded outwards to form a first stepped cavity and a second stepped cavity, the second stepped cavity is arranged outside, the first stepped cavity is arranged inside, and the first stepped cavity is in a cut circle shape; the first honeycomb silencing plate is provided with a first main body matched with the inner cavity in shape, the circumference of the first main body is provided with a circle cutting outer edge matched with the second stepped cavity in shape, the second honeycomb silencing plate is provided with a circle cutting main body matched with the first stepped cavity in shape, and the circumference of the circle cutting main body is provided with a second outer edge matched with the second stepped cavity in shape; a filling rubber strip is embedded into the second outer edge end face of the second honeycomb silencing plate and protrudes out of the second outer edge end face.

The utility model relates to a silent floor sucker with a windproof buckle, which aims at solving the technical problem that a door is closed due to the fact that the floor sucker is easy to separate when wind power is large or mistaken touch force is large at present, and comprises a magnetic suction base, a flip cover, a suction base cap and a connecting plate, one end of the turning cover is rotationally arranged in the open groove in the top side of the magnetic attraction base; wherein the flip cover is embedded into a groove in the top side of the magnetic attraction base, and a magnetic attraction block is arranged in the groove in the top side of the magnetic attraction base; the magnetic suction end on the bottom side of the suction seat cap is matched with the magnetic suction base in an adsorption manner; the connecting plate is fixedly arranged at the inner end of the suction seat cap; a limiting groove is formed in the bottom side of the suction base cap, an abutting elastic piece is arranged on the top side of the magnetic suction base, and the abutting elastic piece is matched with the limiting groove in an abutting mode. When the magnetic suction base and the suction base cap are in magnetic suction, the abutting elastic piece and the limiting groove are in abutting connection to limit the suction base cap, so that the magnetic suction of the magnetic suction base and the suction base cap is kept stable; and the sound is small.

The utility model provides a water pan and an air conditioner using the same. The water pan comprises a pan body and at least one flow guide column. The tray body comprises a bottom wall and a side wall surrounding the edge of the bottom wall, and a tray cavity with an upward opening is defined by the bottom wall and the side wall. And the at least one flow guide column is arranged on the bottom wall and protrudes upwards from the bottom wall, so that the condensate water drops on the top end of the flow guide column and flows downwards along the flow guide column. The top ends of the diversion columns are lower than the upper ends of the side walls. Due to the arrangement of the flow guide columns, the distance between a water source and the bottom wall is shortened, namely, the distance when water drops is shortened. As the distance when the water drops is reduced, the impact force of the water drops on the top end of the flow guide column is reduced, the sound of the water drops impacting the top end of the flow guide column is weakened, the effect of weakening the noise of the water drops is achieved, and the use experience of a user is improved.

The invention discloses a ball semi-finished product yarn foaming middle tire and a manufacturing method thereof, and belongs to the technical field of ball manufacturing, the ball semi-finished product yarn foaming middle tire sequentially comprises an inner container and a yarn winding layer from inside to outside, the yarn winding layer is composed of yarn with glue, and the yarn winding layer is wound on the surface of the inner container in a cross structure shape. The yarns in the yarn winding layer are provided with glue, so that during yarn winding, the bonding force between the yarns and the surface of the inner container is enough, the yarns can be stably wound on the surface of the inner container, in addition, the multiple layers of yarns of the yarn winding layer have enough bonding strength, the phenomenon that the yarns are scattered in the follow-up processing link is not prone to occurring, and the yarn winding effect is good. The prepared ball has good dynamic stability, the grabbing control capability is improved, in addition, the waterborne polyurethane is arranged in the glue formula, and the waterborne polyurethane material has good environment friendliness, namely, has an environment-friendly effect, does not damage the environment and is suitable for being popularized and used in the field.