253results about How to "Improve exhaust efficiency" patented technology

The invention discloses a long-distance high-pressure water delivery pipeline water hammer and leakage monitoring and positioning test device, which comprises a water tank, a water outlet side experiment unit, a water return side main path experiment unit and a water return side branch experiment unit, and is characterized in that the water outlet side experiment unit and the water return side branch experiment unit are communicated with the water return side main path experiment unit; the water outlet side experiment unit, the water return side main path experiment unit and the water return side branch path experiment unit are all communicated with the water tank. The device solves the problem that tiny leakage is difficult to monitor in the high-pressure water delivery process in the existing related test experiment technology, and the problems that the water hammer experiment signal precision acquisition is insufficient and the water hammer experiment causes impact damage to equipment. The invention further discloses a using method of the long-distance high-pressure water conveying pipeline water hammer and leakage monitoring and positioning testing device.

The utility model relates to the technical field of hub casting molds, and discloses a split type top mold structure which comprises a top mold body, the top mold body is divided corresponding to a rim part of a hub casting to form a split type structure comprising an upper mold and a lower mold, and isolation tables used for supporting the upper mold are arranged on the upper end face of the lower mold at intervals in the circumferential direction. And an exhaust gap for exhausting is formed between the upper die and the lower die. The top die is arranged in a split mode, the upper die and the lower die can be machined and manufactured independently, manufacturing of cooling structures such as an air pipe and a water way is facilitated, and the manufacturing cost of the hub die is reduced; the arrangement of the exhaust seam is beneficial to smooth exhaust of air at the rim part, and the defects of air holes, insufficient casting, flow marks and the like at the rim part of the hub casting are avoided; the positioning structure improves the assembly precision of the top die, ensures the casting quality, ensures the accurate alignment of a bolt hole and a threaded hole, and improves the assembly efficiency; and due to the arrangement of the negative pressure cavity, the exhaust efficiency is improved, and gas in the cavity is exhausted more thoroughly.

The invention discloses a multi-protection self-cleaning medical protective garment with a good antibacterial effect, and relates to the technical field of medical protective garments, the multi-protection self-cleaning medical protective garment comprises a protective hat, an upper garment and a lower garment, the protective hat, the upper garment and the lower garment are integrally formed and designed, and the protective hat, the upper garment and the lower garment are all of a multi-layer composite structure. The protective hat, the upper garment and the lower garment are integrally formed and designed, the problem of leakage at the joint is solved, the waterproof and antibacterial performance is guaranteed through the hydrophobic protective layer, the antibacterial isolation layer and the comfortable layer, the wearing comfort is also considered, meanwhile, organic silicon hydrophobic sol coated on the hydrophobic protective layer has the waterproof and antibacterial functions, and the waterproof and antibacterial effects are good. The self-cleaning effect of reducing stain attachment can be achieved, various protection requirements in the medical environment are met, the temperature and humidity change conditions of multiple parts in the protection suit are obtained in real time through the data acquisition module, the temperature and humidity in the protection suit are automatically regulated and controlled through the microprocessor module, and the protection suit is more intelligent. And the protection effect and the comfort of the protective clothing in use are improved.

The present invention relates to the technical field related to permanent magnet motors, and discloses a large-torque explosion-proof permanent magnet motor with a cooling and regulating function, comprising a self-regulating heat dissipation component, an active heat dissipation component, a drive component, an integrated exhaust and collection device, and a dynamic thermal management wind control unit arranged in sequence from the tail to the end, the dynamic thermal management wind control unit comprising a second wind control unit component and a first wind control unit component, the first wind control unit component is arranged above the second wind control unit component, and the first wind control unit component and the second wind control unit component are arranged alternately; the present invention uses the second wind control unit component and the first wind control unit component, the second wind control unit component and the first wind control unit component are symmetrically arranged and staggered, and work together to achieve alternating suction and discharge of airflow, and when the drive device in the first wind control unit component is started, the drive device will push the arc push plate to move outward.

The invention discloses a roof interlayer water vapor discharging device and a construction method, and belongs to the technical field of buildings. The roof interlayer water vapor discharging device comprises a ventilation connecting pipe head, the interior of the ventilation connecting pipe head is hollow, the top of the ventilation connecting pipe head is provided with a vertical pipe connector, the upper portion of the vertical pipe connector is communicated with an exhaust vertical pipe, the top of the exhaust vertical pipe is provided with a bent pipe, the bent pipe is bent by 180 degrees, one end of the bent pipe is communicated with the exhaust vertical pipe, and the other end of the bent pipe is communicated with a straight pipe; fan blades are arranged in the straight pipe, a solar panel is installed on the top of the bent pipe, and the solar panel is connected with the fan blades through an electric wire. The problems that due to accumulation of water vapor in an existing roof heat preservation layer, a roof structure is damaged, dehumidification operation is inconvenient to operate, and cost is high are solved. Through the arrangement of the ventilation pipe connector, the horizontal ventilation groove pipe, the vertical pipe, the bent pipe, the straight pipe with the fan blades, the solar panel and the electric wire, it is ensured that water vapor in the heat preservation layer is effectively removed through the combined action of the parts.

The utility model discloses a rescue air cushion convenient to carry, including box, air bag pad and movable board, the inside of box is provided with the cavity, and the one side of box is provided with the notched of being linked with the cavity, and the upper and lower both ends of notched inboard all are through the pivot respectively installed with roll axle no.

The present application relates to the field of semiconductor technology, and in particular to an exhaust ring structure and a plasma processing device. The exhaust ring structure is an annular cavity structure with an internal cavity, and an exhaust surface is provided along the circumferential wall of the exhaust ring structure. The exhaust surface is a corrugated exhaust surface with convex parts and concave parts continuously and alternately, and two adjacent convex parts and concave parts are connected by a corrugated inclined surface, and each corrugated inclined surface is provided with a through first exhaust hole; an exhaust hole is provided through the wall surface of the annular cavity structure opposite to the exhaust surface. The plasma processing device is provided with the exhaust ring structure. The exhaust ring structure and the plasma processing device solve the technical problem of low exhaust efficiency of the existing exhaust ring structure.

The utility model discloses a suspension type centrifugal blower, which comprises a blower main body, an air outlet pipe, an emptying valve, an air collecting tank, a cooling exhaust pipe, a parallel pipe and a transition pipe, the blower main body is provided with an air inlet, an air outlet and a cooling exhaust port, the air outlet pipe is connected to the air outlet, the air collecting tank is communicated with the air outlet pipe through the emptying valve, and the air outlet pipe is communicated with the cooling exhaust pipe through the parallel pipe. The cooling exhaust pipe is connected to the cooling exhaust port, an emptying exhaust channel and a cooling exhaust channel which are independent from each other are distributed in the parallel pipe, the emptying exhaust channel is communicated with the gas collection tank, the cooling exhaust channel is communicated with the cooling exhaust pipe, and a first transition channel and a second transition channel which are independent from each other are distributed in the transition pipe; the first transition channel is communicated with the emptying exhaust channel, and the second transition channel is communicated with the cooling exhaust channel; the device has the advantages of preventing exhaust mixing and improving cooling efficiency and operation stability.

The pot cover assembly comprises a cover body and an inner cover detachably fixed to the cover body, the inner cover comprises a cover plate and a sealing ring arranged on the periphery of the cover plate, the inner cover is provided with a first side and a second side, the cover plate protrudes towards the first side, and the sealing ring is arranged on the periphery of the cover plate. The sealing ring is provided with a first sealing lip located on the first side and a second sealing lip located on the second side, the inner cover has a first installation state in which the first side faces downwards and a second installation state in which the second side faces downwards, in the first installation state, the first sealing lip abuts against the pot body in a sealed mode, and in the second installation state, the second sealing lip abuts against the pot body in a sealed mode. The second sealing lip edge abuts against the pot body in a sealed mode. According to the electric cooker, the inner cover can be installed on the cover body in a positive posture and a negative posture, so that the volume of the cooking space is adjustable, a user can flexibly adjust the size of the cooking space according to different quantities of cooked food and different cooking food materials, and the pot overflowing phenomenon is effectively avoided while the heating efficiency is guaranteed.

The utility model discloses an energy storage container, and relates to the technical field of energy storage. The energy storage container comprises a container body, an air conditioning device and a first exhaust fan. The box body is provided with a containing cavity and a separator, the separator divides the containing cavity into a battery bin and an equipment bin, the battery bin comprises a first bin body and a second bin body, and the second bin body is communicated with the first bin body; the first bin body is provided with a first air inlet and a first air outlet, the first air outlet and the first air inlet are arranged at intervals in the height direction of the box body, and the air conditioning device is arranged on the outer wall of the first bin body and communicates with the first air inlet; the first exhaust fan is arranged at the first air outlet. According to the energy storage container provided by the invention, the heat dissipation effect of the battery compartment is effectively improved, so that the use performance of the battery cluster is improved, and the service life of the battery cluster is prolonged.

This application provides a battery cell and a battery pack, relating to the field of battery technology. The battery cell includes: a housing, an explosion-proof valve disposed within the housing, and an electrode assembly, a first insulating layer, an insulating film, and multiple support structures disposed within the housing. The first insulating layer is connected to the side of the electrode assembly near the explosion-proof valve. The insulating film encloses the electrode assembly and the first insulating layer. A first vent hole penetrating along a first direction is provided on the side of the insulating film near the explosion-proof valve. The first insulating layer, the first vent hole, and the explosion-proof valve are arranged opposite to each other along the first direction. Multiple support structures are located between the insulating film and the housing along the first direction, with adjacent support structures spaced apart. The support structures and the first vent hole are spaced apart along a second direction, and the explosion-proof valve and the support structures are spaced apart along the second direction. Based on the above structural design, the safety of the battery cell is improved.

The utility model relates to the technical field of washing equipment, and discloses a dryer capable of avoiding steam scald, which comprises a shell, an exhaust pipe is sleeved on the top of the shell, the exhaust pipe penetrates through the shell and is communicated with the inner wall of the shell, and an air exhaust component is arranged on the end face of the exhaust pipe. According to the dryer capable of avoiding steam scalding, direct-through airflow can be converted into rotating airflow through rotation of the C-shaped pipe, the exhaust direction and range can be adjusted by controlling the direction and speed of the rotating airflow, diffusion and retention of hot air and water vapor can be avoided through the rotating airflow, and the exhaust efficiency and accuracy are improved; meanwhile, the rotating air flow formed by the C-shaped pipe has high kinetic energy and momentum, additional pushing force can be provided for an exhaust system, the exhaust speed and the exhaust capacity are improved, after being condensed, water vapor passes through the horn mouth and the inner wall of the shell and then is discharged out of the shell through the drainage pipe, and the situation that the water vapor is condensed and drips into the roller to scald operators is prevented.

The invention discloses a TC cavity automatic cleaning system, and relates to the technical field of semiconductor manufacturing, the TC cavity automatic cleaning system comprises a cavity, a vacuum hand disc is installed in the cavity, the automatic cleaning system further comprises a second air inlet branch pipe, the two ends of the bottom of the second air inlet branch pipe penetrate through the top of the cavity and extend into the cavity, and the second air inlet branch pipe is arranged in the cavity. The two ends of the bottom of the second air inlet branch pipe fixedly communicate with the same annular air inlet pipe, and the bottom of the annular air inlet pipe fixedly communicates with a plurality of first air spraying heads. According to the invention, through a simple structure, automatic cleaning in the cavity is realized, manual cavity opening is not needed, the downtime is obviously reduced, contamination particles of a vacuum hand disc are prevented from being adhered to a wafer to cause chip scrapping, the production continuity and efficiency are improved, the production cost is reduced, the production efficiency is improved, the production cost is reduced, and the production cost is reduced. The manual intervention requirement is reduced, precise cleaning is ensured through the adjusting assembly, pollutants are rapidly removed through the exhaust assembly, and cleaning parameters can be optimized through the valve.

The utility model relates to an exhaust device and a sand core mold in the technical field of sand cores, the exhaust device comprises a movable block, an exhaust channel is formed in the movable block, an air inlet communicated with the outside is formed in one end of the exhaust channel, and an air outlet communicated with the outside is formed in the other end of the exhaust channel; and the exhaust plug is arranged at the air inlet of the exhaust channel. The exhaust device can be mounted on the vertical wall of the sand core mold, and is matched with the exhaust plug at the bottom of the sand core mold, so that the exhaust efficiency of the sand core mold can be improved, sand shooting and amine blowing curing of a sand core can be better carried out, the amine blowing curing time is shortened, the corner compactness of the sand core is improved, and the situation that the sand core is poor in curing and is not compact to cause scattered sand is reduced.

The utility model discloses a magnetic core sintering exhaust mechanism, and relates to the technical field of mechanical equipment, the magnetic core sintering exhaust mechanism comprises an exhaust hood, the top of the exhaust hood is fixedly connected with a first exhaust pipeline, the top of the first exhaust pipeline is fixedly connected with a second exhaust pipeline, the bottom of the second exhaust pipeline is fixedly connected with a sealing strip, and the sealing strip is fixedly connected with the exhaust hood. An operation panel is mounted at the front end of the second exhaust pipeline, a third mounting plate is fixedly connected to one side of the outer wall of the third exhaust pipeline, second nuts are in threaded connection to one sides of the outer walls of multiple second bolts, a fourth exhaust pipeline is fixedly connected to the inner wall of a fourth mounting plate, and a dustproof mechanism is mounted on one side of the fourth exhaust pipeline. The first bolt and the first nut are arranged, the connection mode of the first bolt and the first nut is detachable, installation, detachment and maintenance are convenient, and compared with permanent connection modes such as welding or bonding, connection of the first bolt and the first nut is more convenient and flexible.

The invention discloses an air path system for an air suspension and a vehicle. The air path system comprises an exhaust port, an air inlet and an air outlet, the main gas pipeline is provided with a connecting port connected with an air suspension; the air compression module is used for compressing air, and the air compression module is connected with the main gas pipeline so as to convey gas to the main gas pipeline; the first control valve is connected with the main gas pipeline, and the main gas pipeline can be communicated with the exhaust port through the first control valve in the exhaust state; the second control valve is connected with a main gas pipeline, a first throttling element is arranged between the second control valve and the exhaust port, the second control valve is connected with the first control valve, and the first control valve is configured in a way that when the second control valve is switched to enable the main gas pipeline to be communicated with the first throttling element, the first throttling element is switched to be communicated with the exhaust port; the first control valve can be driven to be switched to the exhaust state through gas of the second control valve. According to the air path system provided by the invention, the air spring not only can exhaust air through the first control valve, but also can exhaust air through the second control valve and the first throttling element, so that the exhaust residual pressure in the air spring is effectively reduced.

The present invention provides an exhaust structure and a compressor having the same, wherein the exhaust structure includes a balancing block and a push rod, wherein the first end of the push rod abuts against the balancing block, and the second end of the push rod abuts against an elastic component, and the elastic component is arranged in an exhaust pipe. The balancing block has a cam profile, and in the process of the balancing block driving the push rod to move, the cam profile forms a periodic motion trajectory to periodically close the exhaust port of the exhaust pipe. When the balancing block rotates within an angle range, the push rod moves inward relative to the exhaust pipe, and the push rod squeezes the elastic component, at which time the push rod closes the exhaust port of the exhaust pipe. When the balancing block rotates to another angle range, the push rod moves outward relative to the exhaust pipe, and the elastic component restores its deformation, at which time the push rod opens the exhaust port of the exhaust pipe to discharge the gas in the compressor. Periodically closing the exhaust port can delay the discharge process of the oil-gas mixture, can better achieve oil-gas separation, and prevent the compressor from being short of oil under high-frequency working conditions.

The invention discloses a back pressure controllable type automobile air conditioner compressor static scroll plate forging die which is characterized in that a forming upper die and an upper die core are connected in a hot pressing fit manner to form an upper die whole body; the lower die part comprises a forming female die, a female die sleeve, a female die prestress ring and a female die outer ring which are sequentially connected in a hot-press fit mode, and the problem of forging surface quality defects caused by unsmooth exhaust can be solved through a modular structure. The back pressure mechanism pushes the piston through the hydraulic system, back pressure is transmitted to the back pressure body through the push rod, the hydraulic system can adjust proper back pressure according to the size of the forge piece, and forge piece forming is more reliable. According to the invention, a hydraulic system is innovatively introduced, so that the back pressure has adjustable capability, the scroll plate forge piece has good contour in the axial profile, and the dimensional precision is obviously improved; and meanwhile, a modular design is adopted, so that each part is convenient to disassemble, assemble and replace, the maintenance cost is effectively reduced, and the improvement of the production efficiency and the optimization of the production cost are realized.

This utility model relates to the field of valve technology, and in particular to a two-way valve and an explosion-proof valve. The two-way valve provided by this utility model includes a housing and a fixed base forming an air exchange channel, and a first movable member and a second movable member. At least a portion of the first movable member passes through the second movable member and extends into the fixed base. The first movable member is axially movable relative to the second movable member and the fixed base. When the first movable member moves in a first direction, the air outlet channel communicates with a first gap. When the first movable member pushes the second movable member to move in a second direction, the air inlet channel communicates with the first gap. The movement of the first movable member within the air exchange channel forms separate air outlet and air inlet channels, precisely controlling the airflow direction, avoiding turbulence and backflow, improving exhaust efficiency, and adapting to airflow pressure requirements in different directions.

This utility model relates to the field of die-casting molds, and more particularly to a special wave-shaped centralized venting structure for die-casting molds. It includes an upper cavity punching mold, a lower cavity punching mold, and a mold cavity. It includes a special wave-shaped venting groove. The lower cavity punching mold has an annular block with a height higher than the outer ring around its perimeter. The annular block has multiple first venting channels, which bend downwards along the edge steps of the annular block and extend to the outer ring. The ends of the first venting channels connect to the special wave-shaped venting groove. The cross-section of the special wave-shaped venting groove is wave-shaped, and the inner contour line of the groove is serrated. The special block is inserted into the special wave-shaped venting groove to form a wave-shaped venting structure. This device uses a special wave-shaped venting groove with the same width as existing venting grooves, but improves the thickness by making it wave-shaped, thereby indirectly increasing the width of the venting groove and accelerating the venting efficiency.

The utility model relates to the technical field of smoke bullet, and disclose a smoke bullet, smoke bullet silica gel child lock and smoke bullet oil injection exhaust device, including bottom cover, the bottom cover is fixedly connected with oil absorption cotton in, the bottom cover inlays has the oil storehouse sealing silica gel, the oil absorption cotton is located between bottom cover and oil storehouse sealing silica gel, through the child lock silica gel and the exhaust groove design, compared with the cross groove gap natural exhaust mode, the exhaust groove specially designed provides independent and unobstructed discharge path for the gas in the smoke bullet, in the oil injection process, the tobacco tar enters the tobacco tar storehouse under the action of oil injection pressure, the internal gas can be through the exhaust groove fast, directional discharge, avoid the gas accumulation in the storehouse and form high pressure, the above structured exhaust design can accurately match the oil injection rate, ensure that the gas discharge and tobacco tar injection are synchronous, eliminate the tobacco tar extrusion into the atomizing core problem caused by the poor exhaust from the root, make the oil injection process more stable, controllable.

The invention discloses a method for continuously pumping concrete in an arch rib of a tied arch bridge, which comprises the following steps of: prefabricating and assembling a steel pipe arch rib component and a transverse connecting system component thereof, and respectively performing trepanning and exhaust pipe welding on a top middle arch rib section and non-embedded arch rib sections on two sides according to a preset number and specific positions of exhaust holes; constructing a main body structure of the steel tube arch bridge, arranging arch rib supports matched with the tied arch bridge in radian on the tie beams, erecting the arch rib sections on the corresponding arch rib supports section by section, and welding the arch rib sections into a whole section by section; a concrete jacking system is arranged at the corresponding position of each pre-buried arch rib section; all the ground pumps are controlled to conduct jacking at the same time, the discharging condition of concrete from all the exhaust holes is observed, and if the concrete character is similar to that of concrete at a jacking inlet, the exhaust holes of the section are closed; and after the concrete reaches the highest exhaust hole, when the character of the concrete is consistent with that of the injected concrete, jacking operation is stopped, and continuous pumping operation of the concrete in the steel pipe arch rib of the tied-arch bridge is achieved.

This utility model relates to the field of automotive valve technology, and in particular to a fuel tank tipping valve diversion design mechanism, including a valve body, a connecting flange on the valve body, an air inlet on the upper end face of the valve body, an air inlet pipe on the connecting flange communicating with the air inlet, and a through hole on the valve body communicating with the fuel tank. The valve body includes a first valve chamber and a second valve chamber, which are connected by a connecting hole. A valve core assembly is slidably disposed in the second valve chamber. A connector is disposed in the first valve chamber, and a sealing element is slidably disposed below the connector in the first valve chamber. An exhaust channel is provided on the connector extending to one side from its center. The sealing element can open and close the exhaust channel. An exhaust groove is provided in the middle of the connector, and the exhaust groove communicates with the air inlet. An exhaust pipe is provided on the connecting flange communicating with the exhaust channel. The beneficial effects of this utility model are: providing an air inlet to realize the functions of fuel pump supply and air intake, and fuel tank refueling and exhaust, thus providing a fuel tank tipping valve diversion design mechanism.

The utility model provides a disc-shaped insertion pipe type noise reduction assembly and a compressor. The disc-shaped insertion pipe type noise reduction assembly comprises a noise reduction disc, a plurality of noise reduction pipes and an exhaust pipe. The silencing disc is provided with an air inlet side and an air outlet side which are opposite, the silencing pipes extend from the air inlet side to the air outlet side, and the exhaust pipe is arranged on the air outlet side and wraps the silencing pipes. The exhaust pipe is directly used for wrapping the silencing pipe on the air outlet side, the design is simpler and more compact, the space is saved, and the exhaust efficiency is improved. By reasonably arranging the positions of the exhaust pipe and the noise reduction disc, more efficient noise reduction is achieved, the combined structure of the exhaust pipe and the noise reduction disc is simple, maintenance and replacement are easier, and the maintenance cost is reduced.

The utility model provides a compressor cylinder cover and a compressor. In order to solve the problem that an exhaust cavity of an existing compressor cylinder cover is insufficient in strength and prone to damage, a first supporting arm and a second supporting arm are arranged in the exhaust cavity of the cylinder cover, connection between a boss on the inner wall of the exhaust cavity and a U-shaped groove is established, reinforcing ribs are additionally arranged, the U-shaped groove is supported from three positions, the strength of the U-shaped groove is improved, and the strength of the U-shaped groove is improved. And the damage to the U-shaped groove during exhaust impact is reduced.

The embodiment of the utility model provides a battery device, an energy storage device and a power utilization device. The battery device comprises a box body assembly, a battery monomer assembly and a pressure relief mechanism, and a first accommodating cavity and an exhaust structure are formed in the box body assembly. The battery monomer assembly is mounted in the first accommodating cavity; the pressure relief mechanism is arranged on the box body assembly. An exhaust channel is formed in the box body assembly, the pressure relief mechanism is communicated with the exhaust channel, the first containing cavity is communicated with the exhaust channel through the exhaust structure, and the exhaust channel at least comprises a bent section. The battery device provided by the embodiment of the utility model is beneficial to reducing the condition that other parts in the battery device are damaged by high-temperature fluid. Besides, the exhaust passage at least comprises one bent section, so that the length of the exhaust passage is increased, high-temperature fluid generated by thermal runaway of the battery device can be cooled, namely, the temperature of the fluid exhausted by the exhaust passage can be reduced, and the battery device is more convenient to use. And the condition of open fire caused by combustion after the fluid exhausted through the exhaust channel is in contact with oxygen is reduced.

This invention provides a single crystal furnace, comprising: a flow guiding component, which is vertically and vertically disposed; a heat insulation component, which is sleeved outside the flow guiding component; a crucible component, which is located inside the heat insulation component and is rotatably and / or vertically disposed below the flow guiding component; and an exhaust channel, wherein a first part of the exhaust channel is located on the flow guiding component, a second part of the exhaust channel is located on the heat insulation component, the inlet of the exhaust channel is located at the lower end of the flow guiding component and faces the interior of the crucible component, and the outlet of the exhaust channel is located on the heat insulation component and faces the exterior of the crucible component; wherein, when the upper end of the flow guiding component moves to overlap with the upper end of the heat insulation component, the first part and the second part of the exhaust channel are connected; when the upper end of the flow guiding component moves to separate from the upper end of the heat insulation component, the first part and the second part of the exhaust channel are disconnected, thereby solving the problem of low exhaust efficiency in the crucible of the existing single crystal furnace.

The utility model provides a self-adaptive opening and closing tuyere structure, and belongs to the technical field of building ventilation systems. Comprising an air pipe and an air door, the air door comprises an outer cover, an inner barrel and a guide rod, the outer cover covers an opening of the air pipe, the inner barrel is slidably connected to the inner wall of the air pipe, the upper end of the guide rod is fixed to the middle of the air door, a diaphragm spring of a porous structure is further arranged in the air pipe, and the outer edge of the diaphragm spring is fixed to the inner wall of the air pipe. The middle of the diaphragm spring is fixed to an installation head, the installation head is fixedly connected with the lower end of the guide rod, transition is achieved between the upper end of the inner cylinder and the inner wall of the outer cover through an arc-shaped connecting part, and a plurality of air openings are formed in the connecting part. The device has the advantages of high reliability and the like.

The utility model discloses an automatic exhaust and flow-keeping water delivery pipeline which comprises a water delivery pipeline body, exhaust mechanisms and anchor blocks, and the exhaust mechanisms and the anchor blocks are arranged in a one-to-one correspondence mode. The exhaust mechanism comprises a gas collecting pipe and a return pipe which are communicated at different positions of the water conveying pipeline, the gas collecting pipe and the return pipe are converged in a gas collecting cavity, the top of the gas collecting cavity is communicated with an exhaust pipe, an anti-overflow device is arranged on the exhaust pipe, and the upper end of the exhaust pipe penetrates out of the upper surface of the anchor block and is bent back downwards to form an inverted U-shaped structure; a floating ball is filled in the gas collecting cavity, the top outline of the gas collecting cavity is hemispherical, the radius of the hemisphere is equal to that of the floating ball, and the inner surface of the gas collecting cavity is coated with a rubber water stopping layer. The exhaust efficiency and reliability of the water conveying pipeline can be improved, the water conveying flow is guaranteed, the exhaust mechanism is combined with the anchor block, and the construction cost is reduced.

The utility model relates to the technical field of medicine fumigation equipment, in particular to endocrine treatment medicine fumigation equipment which comprises a treatment box, the outer wall of one side of the treatment box is open, a drawer is installed on the inner wall of the bottom of the treatment box in a sliding mode, and the same partition plate is fixedly installed on the inner walls of the two sides of the treatment box. The partition plate is located above the treatment box, the same mounting frame is slidably mounted on the inner walls of the two sides of the treatment box, an air driving mechanism is arranged in the mounting frame, and the air driving mechanism comprises a plurality of exhaust fans. According to the medicine aromatherapy device, the defects in the prior art are overcome, under the matching action of the exhaust fans and the like, the multiple exhaust fans are turned on and rotate, so that aromatherapy steam in the drawer can be exhausted through the partition plate and the air outlet in the treatment box, medicine aromatherapy steam treatment is carried out on a patient, and the medicine aromatherapy effect is good. Therefore, the steam exhaust efficiency is improved, long treatment time is not needed, and the treatment effect is good.