31results about How to "Maintain performance" patented technology

The utility model relates to the technical field of rubber sealing ring production, and discloses a shaping device for rubber sealing ring production, which comprises a processing table, and a water storage tank is arranged at the top of the processing table; the supporting rod is arranged at the top of the machining table; and the top cover is arranged at the top of the supporting rod. The hydraulic cylinder is started, the hydraulic cylinder operates to drive the heating plate and the upper die block to move, when the upper die block is matched with the lower die block, the heating plate is started to heat the upper die block, so that a gap of a die is tightly filled with a rubber material, after the rubber material forms a required shape, the upper die block and the heating plate are recycled, and the water pump is started again. The water pump operates to suck water in the water storage tank through the water suction pipe, then the water is conveyed into the splitter plate through the water conveying pipe, and the water is sprayed out through the spray head to cool a rubber material, so that the effect of rapidly cooling the rubber sealing ring to maintain the shape and performance of the rubber sealing ring is achieved.

The present invention is a fragrance composition containing, (A) a fragrance compound, and (B) a compound represented by the following formula 1, wherein R1 and R2 each represent a hydrocarbon group, R1 and R2 having 17 or more carbons in total, A1O and A2O each represent an alkyleneoxy group with 2 or more and 4 or less carbons, with A1 and A2 being alkylene groups, x1 and x2 represent average numbers of added moles of A1O and A2O, respectively, and each represent a number of 0 or more and 10 or less, and M is a cation.

The utility model relates to the field of smoking equipment, and discloses firewood smoking equipment for sausage processing, which comprises a base box body, foot cups which are uniformly distributed are fixedly connected to four corners of the bottom of the base box body, trundles are rotatably connected to the bottom of the base box body, a smoking chamber is fixedly connected to the top of the base box body, and the smoking chamber is fixedly connected to the bottom of the base box body. A smoking frame is fixedly connected to the inner wall of the smoking chamber, a smoking chamber door is fixedly connected to the smoking chamber through a hinge, a touch screen is fixedly connected to the left side of the smoking chamber, a smoke circulating device is arranged at the rear position of the left side of the base box body, and a combustion chamber is arranged at the right side position of the base box body. According to the utility model, the firewood combustion chamber and the temperature sensor are adopted, and the operation touch screen and the mechanical button are combined, so that the smoking temperature is effectively controlled, the accurate adjustment of the temperature is ensured, the problem of non-uniform or excessive smoking can be prevented, the cleaning spray head is arranged at the top of the smoking chamber, and clean water in the water tank is used for efficiently cleaning the smoking chamber.

This application relates to the field of electronic component cleaning technology, specifically disclosing an electronic component cleaning device with batch processing capability. The device includes a drying chamber with an open front end for the adsorption assembly to enter and exit. The top of the drying chamber has several ventilation holes to allow effective evaporation of cleaning agent vapor. An air outlet is located on the left side of the drying chamber, connected to a blower via a pipe. The blower removes dust and excess cleaning agent from the electronic components. Two sliding rails are located on the bottom of the drying chamber, slidably connecting to an electric telescopic frame. An adsorption assembly is fixedly connected above the electric telescopic frame. A vacuum assembly is fixedly connected to the front end of the adsorption assembly for vacuum adsorption of the components, and a low-temperature heating assembly is fixedly connected to the rear end of the adsorption assembly for rapid evaporation of the cleaning agent. Sliding grooves are located on the left and right sides of the adsorption assembly, slidably connecting to cleaning components for cleaning them. This invention has the function of cleaning and timely drying electronic components in batches.

The invention discloses an inspection, storage and distribution management and control device for instruments and meters, which comprises a management and control table, four groups of storage frames are arranged on the management and control table, each group of storage frames comprises an upper-layer storage frame and a lower-layer storage frame, and clamping plates are arranged on the two sides of the inner part of each of the upper-layer storage frame and the lower-layer storage frame; the upper-layer storage frame and the lower-layer storage frame are each provided with a back plate located between the two clamping plates. A delivery table; a first delivery table; a detection assembly; a second delivery table; the switching assembly comprises an arc-shaped channel, connecting ports are formed in the positions, corresponding to the arc-shaped channel, of the first sending-out table and the second sending-out table correspondingly, and a shifting plate is slidably connected into the arc-shaped channel; a first monitoring lens; and a second monitoring lens. According to the inspection, storage and distribution management and control device for the instruments and apparatuses, disorder in the detection and transportation processes of the instruments and apparatuses can be greatly avoided, and the operation stability degree is improved; the structure is reasonable, and cost control is facilitated.

The utility model discloses a kind of heat processing device for recycling PET plastic, it is related to PET plastic technical field.The utility model includes dryer and pipeline being set on dryer, the top of pipeline is provided with fan, further includes: pollution collection part, the pollution collection part is set on pipeline;Oscillating filter part, the oscillating filter part is installed on fan;The pollution collection part includes pollution collection subassembly, and the pollution collection subassembly is set on pipeline;And quick assembly and disassembly component, the quick assembly and disassembly component is set on dryer;The pollution collection subassembly includes support plate fixedly connected on the outer wall of pipeline.The utility model is set by setting pollution collection part, solved the impurity of inconvenience to handle wind net filtration, impurity is cleaned down after four places drift, not only difficult to clean, still can enter device internal damage device, inconvenient to keep the clean and normal operation of device.

The utility model relates to the field of protection devices, in particular to a cable bending tightness limiting protection device which comprises a first bending track, a limiting assembly and a pressing assembly. The two ends of the first bending track are respectively provided with a limiting assembly used for adjusting, limiting and fixing according to the size condition of a cable, and the inner side of the first bending track is provided with a plurality of pressing assemblies used for pressing and fixing the position of the cable. According to the utility model, the cable is bent and laid along the first bending track, then the second bending track on the first bending track is taken up to be assembled with the cable, then the limiting assembly is adjusted to be limited and fixed according to the size of the cable, and then the pressing assembly moves downwards to press, fix and protect the cable. By means of the adjustable limiting structure, the function of pressing cables with different diameters can be achieved, the cables with different specifications can be conveniently restrained, the cables are arranged in order, the cables can be prevented from being damaged due to excessive bending, and the performance and the service life of the cables are maintained.

The present application belongs to the technical field of networked converter control, and discloses a networked converter control method, system, device and medium based on network side information feedback to solve the problem of subsynchronous oscillation. The method comprises: collecting voltage signals of a grid side point of common connection and voltage signals and current signals of a converter side; calculating steady-state active power and steady-state reactive power based on the voltage signals of the grid side point of common connection and line impedance parameters; calculating transient active power and transient reactive power based on the voltage signals and current signals of the converter side; introducing a composite factor to fuse the steady-state active power and the transient active power to obtain composite active and reactive power; and inputting the composite active and reactive power to a power outer loop controller of the networked converter to generate a reference signal for inner loop control. The present application improves system damping and the ability to suppress subsynchronous oscillation.

The utility model provides a vacuumizing device for a pleurotus eryngii packaging bag, and belongs to the technical field of vacuumizing packaging. Comprising a connecting assembly, the connecting assembly comprises a supporting plate arranged at the top of a bottom plate, a fixing groove is formed in the middle of the supporting plate, connecting grooves are formed in the two sides, away from the fixing groove, of the supporting plate, a suction pipe is arranged on the outer side of the supporting plate, and a juice suction pump is arranged in the middle of the suction pipe; in the connecting assembly, a supporting plate on a bottom plate provides supporting, a fixing groove is used for installing an adaptive part, a connecting groove achieves assembly connection, an outer side suction pipe conducts liquid, the juice suction pump provides suction force to extract redundant liquid, the collecting bin stores the liquid, and the redundant liquid in the juice suction pump and the collecting bin is removed during vacuumizing together. And cleaning grooves are formed in the sides, close to the collecting bin, of the supporting plates correspondingly, and the cleaning grooves of the supporting plates facilitate cleaning of impurities on the periphery of the collecting bin.

The utility model relates to the technical field of plastic forming molds, in particular to a nozzle for a hot runner, which comprises a main body, a nozzle component is arranged at the top of the main body, and a sealing component is arranged at the top of the nozzle component; according to the utility model, a combined sealing structure of the elastic sealing ring and the sealing gasket is arranged between the nozzle bin and the connecting pipe, so that materials can be prevented from leaking, and the double-sealing structure can effectively prevent molten plastic from leaking from interfaces between the nozzle and the runner plate as well as between the nozzle and the mold; the temperature change in the nozzle bin can be monitored in real time through the temperature sensor, the accuracy of temperature control is ensured through high-precision monitoring, the power of the electric heater is adjusted through the external power source, the temperature change can be rapidly responded, the heating power can be adjusted in time, and it is ensured that the temperature in the nozzle bin is always kept within the set range; and the fluctuation of the temperature in the nozzle bin can be effectively reduced through precise temperature control, and it is ensured that the plastic always keeps good fluidity in the injection process.

This utility model discloses a precision parts sorting and packaging device, specifically relating to the field of parts sorting technology. It includes a support assembly, a movable assembly installed within the inner cavity of the support assembly, a limiting assembly installed near the center of the support assembly, a sorting assembly installed near the center of the limiting assembly, and a discharge assembly installed near the center of the support assembly. This precision parts sorting and packaging device, through its designed sorting and discharge assemblies, achieves rapid sorting, adapting to the needs of batch sorting of precision parts. It increases the number of sorting operations per unit time, ensuring overall process efficiency. Furthermore, the cylinder thrust can be precisely controlled by adjusting the air source pressure, allowing for the setting of appropriate thrust based on the part material and structural strength transmitted by sensors. This avoids deformation, breakage, or surface damage to parts due to excessive thrust, reducing the impact of impact vibration on precision parts.

A corrugated fin of a heat exchanger is formed such that fin sections that are plate-shaped are joined together one after another in a wave shape in a tube axial direction of a plurality of flat heat-transfer tubes, and the fin sections each have a drain slit formed such that the drain slit extends in a tube side-by-side placement direction of the plurality of flat heat-transfer tubes and a plurality of louvers each having a louver slit extending in the tube side-by-side placement direction and a plate portion inclined to a flat-plate portion that is tabular-shaped in the fin section. The plurality of louvers are divided into a first louver group formed further upstream in a direction of flow of air than the drain slit and a second louver group formed further downstream in the direction of flow of air than the drain slit. The plate portions of the first louver group and the plate portions of the second louver group are inclined to the flat-plate portion and inclined in respective directions that are opposite to each other. The drain slit includes a plurality of drain slits provided in a plurality of respective rows between the first louver group and the second louver group.

The invention discloses an external bias device for a low-temperature probe and further discloses a de-embedding calibration measurement method of the external bias device for the low-temperature probe, the external bias device comprises a radio frequency test instrument, an external bias unit, a bias feed network and a low-temperature magnetic resonance probe, the external bias unit is used for providing direct-current bias voltage, and the bias feed network is used for providing direct-current bias voltage; the radio frequency test instrument is used for generating a test signal in the low-temperature magnetic resonance probe, and a direct-current bias signal output by the external bias unit forces the PIN diode to be converted from a high-resistance isolation state to a low-resistance conduction state; then the radio frequency testing instrument is started, milliwatt-level signals generated by the radio frequency testing instrument can easily reach the radio frequency coil through the passive T / R switch, so that the radio frequency coil is tested, the passive T / R switch is switched on under the conditions that the packaging structure of the low-temperature magnetic resonance probe is not damaged and an internal circuit is not changed, and the low-temperature magnetic resonance probe is tested. Therefore, a radio frequency test channel is established.

The application provides a resource optimization method and device, electronic equipment and storage medium. The method comprises the following steps: identifying a target computing node satisfying a predefined abnormal condition from a computing node cluster; generating an optimization strategy according to the type of the abnormal condition satisfied by the target computing node and the characteristics of a virtual machine instance on the target computing node; executing the optimization strategy to perform an online resource reconfiguration operation on at least one target virtual machine instance on the target computing node; after executing the online resource reconfiguration operation, re-evaluating the resource state data of the target computing node to obtain an evaluation result; if the evaluation result represents that the abnormal condition has been eliminated, ending the optimization; if the evaluation result represents that the abnormal condition has not been eliminated, re-executing the step of generating the optimization strategy. Thus, active and dynamic management of various resource degradation problems spontaneously generated and accumulated in the long-term operation of the system is realized.

This utility model relates to the field of fire-fighting equipment technology, specifically a vehicle-mounted integrated hose reeling and cleaning machine. It includes a vehicle body, a fixed bracket, a hose reeling / unwinding device, and a guiding and cleaning device. The fixed bracket is mounted on the vehicle body, and the hose reeling / unwinding device and the guiding and cleaning device are respectively located on both sides of the fixed bracket. The hose reeling / unwinding device is used to reel in and unwind empty hoses. During reeling, the guiding and cleaning device guides the empty hoses towards the hose reeling / unwinding device. The guiding and cleaning device includes an adjustment component, a guiding component, and a cleaning component. The adjustment component is mounted on the fixed bracket. This utility model achieves integrated hose reeling / unwinding and cleaning operations, significantly improving work efficiency, reducing labor costs, and providing strong technical support for fire-fighting operations.

The utility model relates to the technical field of extraction towers, and discloses a DMF (Dimethyl Formamide) recovery extraction tower based on a metal pore plate filler, which comprises an extraction tower shell, a feeding pipe and a liquid inlet pipe are arranged on the upper part of the surface of the extraction tower shell, a gas discharging pipe is arranged on the upper surface, and a liquid discharging pipe is arranged on the lower part; the metal pore plate filler layer is arranged in the inner cavity of the shell, so that the mass transfer area can be increased, two extracted phases are contacted more fully, and the extraction efficiency is improved. The spraying frame is installed at the liquid outlet end of the liquid inlet pipe, the first nozzles are evenly distributed at the bottom, the inclined second nozzles are installed between the first nozzles, liquid can be sprayed at different angles, the distribution range is enlarged, and the two-phase contact effect is enhanced. A motor is arranged in the middle of the spraying frame, a rotor of the motor is coaxially provided with a rotating plate, cleaning brushes are arranged on the rotating plate corresponding to the nozzles, and when the motor drives the rotating plate to rotate, the cleaning brushes can clean the nozzles, prevent blockage, ensure uniform and stable liquid spraying and maintain normal operation and extraction effect of the extraction tower.

This invention provides a method for manufacturing a foldable screen and a foldable screen in general. The manufacturing method includes four steps: preparing a self-healing substrate, depositing an OLED component on the substrate, applying a self-healing capping layer to the surface of the OLED component, and constructing a precision pressure distribution control system to achieve uniform pressure distribution during the folding process. By using a substrate and capping layer with self-healing properties, as well as a precision pressure distribution control system, the durability and reliability of the foldable screen are significantly improved.

The invention discloses a die-casting die for server shell parts, and relates to the technical field of shell part die-casting, the die-casting die comprises a die-casting die composed of a first die holder and a second die holder which are laterally opened, and a lubricating pipe installed on the first die holder and storing lubricating oil in the lubricating pipe; the inclined guide column is installed in the first die holder and penetrates through the lubricating pipe and the first die holder, a lubricating channel is arranged on the outer wall of the inclined guide column, the sealing sleeve is arranged at a port of the lubricating pipe, the inclined guide column penetrates through the sealing sleeve, and a sealing ring which is expanded through air inflation and shrunk through air exhaust is arranged on the inner circumferential face, making contact with the inclined guide column, of the sealing sleeve. By arranging the lubricating pipe with the liquid level sensor and the oil supplementing assembly, lubricating oil can be automatically detected and supplemented in the mold closing process, the sealing ring controlled by the pneumatic part is arranged at the end opening of the lubricating pipe, and the sealing ring automatically expands or contracts along with the mold opening and closing action of the mold. And the power piece and the pneumatic piece are linked with the mold closing action, so that supply and distribution of lubricating oil, opening and closing of the channel and the mold opening and closing process of the mold are automatically synchronized.

This invention discloses an ultrasonic phacoemulsification handpiece with a sensor and a surge control system and a method. The central aspiration lumen of the ultrasonic phacoemulsification handpiece consists of two components of plug-in loose fit: a fixed lumen (304) and an extension lumen (305); a small pressure sensor (307) is mounted on the extension lumen (305), but still able to keep the easy-to-use size and maintain the ultrasonic performance of the handpiece. The extension lumen (305) minimizes the effect of ultrasonic vibration on the sensor (307) while maintaining sufficient stiffness for installing and removing the phacoemulsification tip (202). The design of the handpiece transducer reduces the effect of this sensor installation on the ultrasonic performance. For ultrasonic phacoemulsification cataract removal surgery, the short distance from the pressure sensor to the surgical site provides a technical solution for reliably controlling the risk of the post occlusion surge.

This utility model relates to the field of wastewater treatment technology, and discloses an integrated wastewater treatment device, including a treatment tank. An inlet pipe is located on the right side of the treatment tank, and a discharge pipe is located on the left side. The treatment tank contains a stirring chamber and a sedimentation chamber. A metal filter screen is fixedly connected inside the treatment tank to filter larger particles. A scraping mechanism is also installed inside the treatment tank. The lateral movement of a collecting plate efficiently scrapes away floating scum and guides it to a feeding mechanism. Slight shaking of the collecting plate breaks the surface tension of the liquid, making it easier for the scum to separate from the water surface, thus improving the scraping effect. This process not only effectively removes scum from the water surface but also breaks down the water surface barrier, promoting normal oxygen exchange with the water and preventing the formation of an anaerobic environment at the bottom of the sedimentation chamber. This significantly improves the sedimentation effect and stabilizes the operating efficiency of the sedimentation tank.

The application discloses a kind of high-performance composite board and its preparation method, application, belong to high-performance material technical field.The high-performance composite board of the application includes top plate, bottom plate and the aluminum honeycomb core being arranged between the top plate and the bottom plate, aluminum honeycomb core includes the following mass percentage of elements:Zn:4.3%~5.5%, Mg:2.0%~2.5%, Cu:0.8%~1.2%, Zr:0.15%~0.23%, Mn:0.02%~0.06%, rare earth element:0.12%~0.3%, Ti:0.02%~0.04%, Si:0.3%~0.7%, Fe≤0.15%, impurity element≤0.01%, the balance is Al.The board is prepared by the way of combining wood material and aluminum alloy material, not only maintains the appearance and performance of wood, but also has the high strength and corrosion resistance of aluminum alloy material, the overall mechanical property is more excellent, not easy to crack, can also improve the sound insulation effect of composite board, endow product with higher value.

The disclosure in the present specification relates to a fuel cell membrane humidifier comprising: a main housing; a hollow fiber membrane cartridge comprising a seal mount formed on an end of a cartridge housing so as to protrude, and a fixing layer for potting multiple membranes on both side ends of the body thereof, the hollow fiber membrane cartridge being installed inside the main housing; an inlet housing comprising a coupling portion mounted on a inlet connecting portion of the main housing, a seal ground portion formed inside the coupling portion, and a main chamber into which dry air is supplied through a cooler; an outlet housing comprising a coupling portion connected to an outlet connecting portion of the main housing, a gas inflow port through which gas is provided from a hydrogen fuel cell stack, a second chamber in which humid air formed through the membranes flows, and a cartridge insertion portion to which one side end of the cartridge housing is coupled; a variable seal comprising a body elastically grounded to the outer peripheral surface of the seal mount, and a rib elastically deformed with respect to the body portion and forced against the seal ground portion; and a back pressure passage extending between the main chamber and the seal ground portion. The ground pressure of the rib against the seal ground portion is formed to increase in response to the pressure of dry air in the main chamber introduced through the back pressure passage when the dry air is supplied.

The invention provides a low-altitude logistics dynamic route planning method and system based on demand prediction driving, and belongs to the technical field of low-altitude traffic management and intelligent logistics scheduling. The method comprises the following steps: predicting a logistics demand by using a space-time diagram neural network and generating a virtual task set; constructing a dynamic airspace state model fusing real-time weather, control and monitoring data; by taking the virtual task set as input and the dynamic model as constraint, executing global route planning to generate a preliminary plan; calculating a network congestion risk degree and a planned load balance degree index, triggering feedback adjustment according to an index threshold value, and performing iterative optimization to form a global reference route plan; and in the real-time operation stage, dynamic re-planning is carried out by taking the reference route plan as a baseline and combining a real-time order and the latest airspace state. Through cooperation of prediction, modeling, planning and feedback, conversion from passive response to active scheduling is realized, and the problems of planning lag, local congestion and insufficient global cooperation are solved.

This invention discloses a combined cycle refrigeration system and its operating method suitable for all-electric aircraft, belonging to the field of environmental control for all-electric aircraft, and meeting the environmental control requirements of all-electric aircraft in many ways. The system is driven by onboard electrical power and consists of a combination of a vapor compression refrigeration cycle, an air expansion refrigeration cycle, and a liquid cooling cycle. The onboard motor drives the vapor compression refrigeration cycle to replace ram gas as the cold source, while an electric compressor compresses ambient air as the high-pressure air source required for the air expansion refrigeration cycle. The liquid cooling cycle and the air expansion refrigeration cycle are used to cool and regulate the equipment compartment and cockpit respectively. Simultaneously, the cockpit return air is mixed with ambient bleed air to participate in the air expansion refrigeration, forming a closed loop, effectively reducing the bleed air volume requirement.

The utility model discloses a raw material mixing gun for new construction and transformation, which comprises a shell, a motor is arranged in the shell, the output end of the motor is provided with a rotating rod through a coupling, the lower end of the rotating rod is fixedly provided with a connecting seat, a stirring shaft is arranged below the connecting seat, one end of the stirring shaft extends into the connecting seat, and the other end of the stirring shaft extends into the connecting seat. Four transmission cavities which are annularly distributed at equal intervals are formed in the outer side of the interior of the connecting base, first moving blocks are arranged on the upper sides of the interiors of the transmission cavities, second moving blocks are arranged on one sides of the lower portions of the first moving blocks, the second moving blocks are attached to the first moving blocks, and first guide rods are welded to the outer sides of the interiors of the transmission cavities; a second guide rod is welded to the lower side of the interior of the transmission cavity. According to the raw material mixing gun for new construction and transformation, the stirring shaft can be rapidly replaced only through simple operation, the overall operation is simple and convenient, and daily use is facilitated.

The embodiment of the invention discloses a micro-motion magnetic suspension Z-axis driving device which comprises a voice coil motor stator assembly, a voice coil motor rotor assembly and a magnetic suspension gravity compensation assembly, and the magnetic suspension gravity compensation assembly comprises a dynamic magnetic force assembly and a static magnetic force assembly. The dynamic magnetic assembly and the static magnetic assembly are respectively connected with the voice coil motor stator assembly and the voice coil motor rotor assembly; the magnetizing directions of the dynamic magnetic assembly and the static magnetic assembly are opposite; repulsive force generated by the magnetic suspension gravity compensation assembly in the Z-axis direction is equal to the sum of gravity of the load, the voice coil motor rotor assembly and the static magnetic force assembly. Through cooperative work of magnetic suspension guiding, permanent magnet constant force compensation and coil dynamic magnetic field compensation, negative influences of load changes on Z-axis dynamic response and control precision are effectively overcome, and the overall efficiency and the product yield of semiconductor device packaging and testing are remarkably improved.

Provided is a viscosity modifier for lubricating oil having excellent temperature / viscosity characteristics, i.e., oil film retention at a high temperature and low temperature viscosity characteristics, and being excellent in handleability that continuously maintains performance over a long period of use of a hydraulic system, and a lubricating oil composition for hydraulic fluid such as a hydraulic oil for machine tools, a hydraulic oil for forming machines, and a hydraulic fluid for construction machinery, which are excellent in energy saving. A viscosity modifier for lubricating oil, including an (C) ethylene-α-olefin copolymer having an ethylene molar content rate within a range of 30 to 70 mol%, a rotational viscosity at 150°C of 300 to 8,000 mPa·s, a Hasen chromaticity of 30 or lower, a molecular weight distribution (Mw / Mn) of 2.5 or less, and a B value of 1.1 or more. A lubricating oil composition for hydraulic fluid, including: a lubricating oil base oil including a (A) mineral oil having a kinematic viscosity at 40°C of 10 to 100 mm2 / s, a viscosity index of 90 or more, and a pour point of 0°C or lower and / or a (B) synthetic oil having a kinematic viscosity at 40°C of 4 to 100 mm2 / s, a viscosity index of 90 or more and a pour point of -30°C or lower; and the viscosity modifier for lubricating oil, in which the lubricating oil composition for hydraulic fluid has a kinematic viscosity at 40°C of 28 to 170 mm2 / s.

The utility model discloses a low-dissolution-loss long-service-life spray dryer for preparing a manganese adsorbent material, which relates to the technical field of manganese adsorbent material preparation and is technically characterized by comprising a dryer shell, a controller, a discharge pipe, a suction pipe, a centrifugal atomizer, a feeder and a liquid pump. A heating mechanism used for heating liquid mist is arranged on the dryer shell, the heating mechanism comprises an air outlet ring rotationally connected to the dryer shell, and a transfer ring is arranged on the side wall of the air outlet ring in a communicating mode. The material quality problem caused by local overheating or non-uniform drying is reduced, the dissolution loss of the material is low, and the overall service life of the equipment is long.

The utility model relates to the technical field of massage instruments, and discloses a cervical vertebra massage instrument with a replaceable massage head, which comprises a massage instrument body, one side of the massage instrument body is fixedly connected with a plurality of groups of placing frames, the plurality of groups of placing frames are internally provided with magnetic components, and two ends of the massage instrument body are fixedly connected with rotating shafts. According to the cervical vertebra massage instrument with the replaceable massage head, through the arrangement of the magnetic attraction assembly, when the massage head body needs to be replaced, a magnet is taken down from a magnetic attraction block, the massage head body is replaced, the magnet on the rear side of the replaced massage head body is attracted to the magnetic attraction block, and therefore the massage head body is fixed; different massage head bodies can be replaced according to different requirements, diversified massage requirements of different users are met, meanwhile, the massage head bodies may breed bacteria or be abraded after being used for a long time, the replaceable design facilitates cleaning or replacement of the users, and sanitation and performance of the massage instrument are kept.

This utility model relates to the field of cable technology and provides a torsion-resistant cable, comprising: multiple conductors and a cross-shaped spacer, wherein the cross-shaped spacer is attached to the multiple conductors, a shielding layer is fixedly connected to the outer surface of the conductors, and a buffer layer is provided between the shielding layer and the cross-shaped spacer. It also includes: a reinforcing mesh, fixedly connected to the outer surface of the shielding layer; the multiple conductors are separated by the cross-shaped spacer to prevent them from tangling together and affecting the transmission of power signals; the shielding layer is fixedly connected to the outer surface of the conductors, and the shielding layer is made of copper foil, which has excellent conductivity and can effectively shield high-frequency electromagnetic interference; the buffer layer is provided between the shielding layer and the cross-shaped spacer, and the buffer layer is made of polystyrene foam, which has good shock absorption and cushioning performance, can absorb impact energy, and protect the internal conductors from damage; the reinforcing mesh can improve the flexibility of the cable body and prevent damage to the conductors.