200results about How to "Increase surface area" patented technology

The utility model discloses a breathing machine humidifying tank and a breathing machine system, and relates to the field of medical instruments. The breathing machine humidifying tank comprises a tank body, a guide sleeve, a telescopic water bag and an operating rod. The tank main body is provided with a highest water line; the telescopic water bag is located in the tank body and horizontally arranged, the top of the telescopic water bag is higher than the highest water line, the telescopic water bag comprises a telescopic sleeve and a hard end plate, one end of the telescopic sleeve is connected with the tank body, the hard end plate is connected with the other end of the telescopic sleeve, and a water suction and drainage hole is formed in the hard end plate and lower than the highest water line. The guide sleeve and the telescopic water bag are arranged in the same direction, and the guide sleeve is connected with the tank body and corresponds to the telescopic water bag in position. And the operating rod penetrates through the guide sleeve, is matched with the guide sleeve and is sealed with the guide sleeve, and the operating rod is connected with the hard end plate. The breathing machine humidifying tank is installed on the breathing machine main machine, and a temperature and humidity sensor and a push-pull structure are arranged in a matched mode to obtain the breathing machine system. According to the utility model, the temperature and humidity of the humidified air at the patient end can be optimal.

The utility model relates to humidity sensor technical field discloses a humidity sensor with high sensitivity, including insulating base, the insulating base is pasted with the lower humidity sensitive membrane for sucking the water resource of external environment, and the side that lower humidity sensitive membrane is away from insulating base is equipped with double -end electrode, simultaneously the side that double -end electrode is away from lower humidity sensitive membrane pastes with the upper humidity sensitive membrane for sucking the water resource of external environment. In the utility model, through setting up streamline groove on lower humidity sensitive membrane and upper humidity sensitive membrane, can increase the surface area on lower humidity sensitive membrane and upper humidity sensitive membrane, secondly increase more water molecule contact point, thereby improve the hygroscopic efficiency and humidity sensor's sensitivity, streamline groove can help guide air flow simultaneously, make the water vapor in the air more effectively contact different parts of the humidity sensing film, which helps to improve the overall hygroscopic humidity sensing speed and uniformity, ensure the accuracy of humidity sensor monitoring.

The present application provides an ejector, a processing device, and a cleaning device, which can suppress a decrease in suction force in a case where liquid intrudes into the inside of the ejector and inexpensively perform processing or cleaning of an object to be processed. The ejector generates a suction force, the ejector having: an inflow pipe having a plurality of openings formed at a front end thereof from which a drive fluid is ejected; an outflow pipe having a receiving port that receives the drive fluid ejected from the openings at a position opposite to the front end of the inflow pipe; and a main body portion that surrounds around the openings and the receiving port, having a suction passage that suctions an external fluid to the inside.

The utility model discloses an integrated ceiling structure of a hidden lamp, which comprises a wooden transverse plate, a decorative plate is fixedly connected to the bottom of the wooden transverse plate, a wooden vertical plate is fixedly connected to the surface of the wooden transverse plate, an L-shaped pore plate is arranged on the surface of the wooden vertical plate, and a groove is formed in the surface of the wooden transverse plate. The L-shaped pore plate and the wood transverse plate are fixed through the cooperative use of the insertion block and the structural adhesive layer, the L-shaped pore plate and the wood vertical plate are fixed through the cooperative use of the first bolt rod and the first nut block, and then the L-shaped pore plate is fixed into a whole through the cooperative use of the lug block, the second bolt rod and the second nut block. The purposes that the L-shaped connecting pieces are additionally arranged on the surfaces of the wood plates, the L-shaped connecting pieces are connected and fixed through the bolts, then the connecting stability between the wood plates is improved, and then the overall stability of the hidden lamp integrated ceiling structure is improved are achieved.

This invention discloses a muscle-relaxing and meridian-clearing health powder and its preparation and application methods, belonging to the technical field of traditional Chinese medicine external health care products. The health powder is composed of fifteen raw medicinal materials: safflower, angelica, asarum, kudzu root, red peony root, scutellaria, dragon's blood, saposhnikovia root, frankincense, myrrh, cinnamon twig, mugwort leaf, coptis root, *Lycopodium clavatum*, and *Clematis armandii*. These materials are dried, pulverized to 80-120 mesh, and then evenly mixed. This invention, through a unique formulation design, integrates multiple effects such as promoting blood circulation and removing blood stasis, dispelling wind and cold, relieving muscle tension and clearing meridians, and clearing heat and drying dampness. Combined with a refined pulverization process, it significantly improves the dissolution rate and transdermal absorption efficiency of the drugs. During use, a hot compress applied via steam allows the medicinal properties to directly reach the affected area, effectively relieving pain and discomfort in the neck, shoulders, waist, legs, and joints. This invention's product has a scientific formulation, advanced technology, is convenient to use, and highly safe, possessing broad market application prospects.

The application discloses a power cabinet with a leakage monitoring structure and relates to the technical field of power cabinets.The power cabinet with the leakage monitoring structure comprises an equipment frame, a supporting plate is fixedly arranged in the equipment frame, an electric push rod is fixedly arranged on one side away from an output end of the equipment frame, and a limiting device comprises a square block, a circular plate, a wiring head, an electric wire, a fixing plate, a limiting block, an L-shaped plate, a square block and a wiring frame.The square block is slidably arranged above the supporting plate, the wiring head is fixedly penetrated through inner and outer walls of the square block, and the power cabinet with the leakage monitoring structure can be detected only after being limited, so that the power cabinet can be overhauled or operated in a safe state, the safety of operators is maximally ensured, and the internal electrical equipment can be better protected and the risk of equipment damage caused by leakage can be reduced.

A power package and an electronic device, the power package comprising: a package substrate, the package substrate being provided with a pad region, the pad region being provided with a protrusion structure; the power device is arranged on the packaging substrate and is electrically connected with the bonding pad area; and the lead frame is welded on the bonding pad area through a solder layer, and the solder layer at least covers the surface of the convex structure and the surface of the bonding pad area. The welding quality between the lead frame and the packaging substrate is improved, and reliable electric connection between the lead frame and the packaging substrate is ensured.

This utility model discloses a petal-shaped sound-absorbing lamp, relating to the field of architectural decoration technology. It includes a lamp body and a sound-absorbing component. The sound-absorbing component is mounted on the lamp body and comprises a mounting frame and sound-absorbing blades. The mounting frame has slots around its circumference, and the sound-absorbing blades are connected to the mounting frame via these slots. All sound-absorbing blades are angled clockwise. A power cord perforation is located in the center of the mounting frame. By using a petal-shaped sound-absorbing component and a wire rope perforation along the circumference of the power cord perforation on the mounting frame, the surface area of ​​the sound-absorbing component is increased several times compared to traditional one-piece sound-absorbing components, significantly improving the lamp's sound absorption effect. Furthermore, the sound-absorbing blades of the component are installed using a plug-in method, allowing for easy adjustment of the surface area of ​​the sound-absorbing panels according to actual needs, enabling adjustment of noise reduction strength to meet different usage requirements and scenarios.

The utility model discloses a kind of Faraday electrode for electrolytic pure water, it is related to Faraday electrode technical field, including cathode and anode, cathode and anode are all adopted spiral structure, and cathode and anode are adopted by screwing between, two electrodes are all set as spiral structure, and two screwing installation, increase the surface area of electrode and reduce electrode spacing, reduce solution resistance value between electrode, improve electrolytic efficiency, to be used for electrolysis of pure water, while setting limit buckle, the fixation of two connecting pieces and the stability of spacing are realized.

The utility model relates to a kind of stripping device, comprising: electroplating bath, stripping anode and stripping cathode.Electroplating bath includes: outer tank and the inner tank received in outer tank.Outer tank and inner tank are all insulation tank body.Stripping anode is located at the outside of inner tank and is used to contact material belt to realize the electrical connection between material belt and power supply anode.Stripping cathode includes: erecting on the electrically-conductive frame of inner tank and the stripping plate of connecting electrically-conductive frame.Electrically-conductive frame is used to realize the electrical connection between stripping plate and power supply cathode.Stripping plate is located in inner tank and is immersed in the electroplating solution of inner tank.Build stripping structure, using the mode opposite to electroplating, the surface of material belt is stripped and handled, not only solve the problem of local plating layer over-thickness, but also adjust the distribution uniformity of plating layer thickness of each area on material belt, to solve the problem of local plating layer over-thickness in electroplating processing.

This invention relates to the field of electroacoustic conversion, and more particularly to a sound-generating device, comprising a frame, a vibration system fixed to the frame, and a magnetic circuit system for driving the vibration system to generate sound. The vibration system includes a diaphragm fixed to the frame and a voice coil that drives the diaphragm to vibrate. The frame includes a ring-shaped metal frame and plastic portions respectively injection-molded into the metal frame and covering a portion of the metal frame. The magnetic circuit system is fixedly connected to the metal frame by welding. The sound-generating device also includes conductive solder pads embedded in the plastic portions and exposed for introducing external electrical signals. The voice coil is electrically connected to the conductive solder pads. Compared with the prior art, the magnetic circuit system of the frame and lower clamp of this invention is increased, improving the connection and fixation effect between the frame and the magnetic circuit system. At the same time, since the flexible circuit board is housed in the clearance space and extends along the length direction of the clearance space, the conductivity reliability of the sound-generating device is effectively improved.

This invention discloses a biomimetic tree-like hydrate promoting device, belonging to the technical field of natural gas hydrate preparation. It uses tree-like absorbent paper modified with sodium dodecyl sulfate. The device includes a main trunk and 10 branches symmetrically distributed on both sides of the trunk's centerline. The width of the main trunk gradually decreases from bottom to top. The branches are spaced apart along the bottom of the main trunk, and the length of each branch gradually decreases from bottom to top along the length of the main trunk. The length of each branch is the distance from the center of the branch's edge to the center of its end. The width of the branches first increases and then decreases in the direction away from the main trunk. By mimicking the shape of a natural tree, a larger surface area is provided, allowing more gas and water molecules to contact the surface of the promoting material, effectively increasing the gas-liquid contact area and accelerating the hydrate formation process. Especially within a limited space, it enables more efficient gas conversion and rapid growth of methane hydrates.

The application discloses a modular servo driver power unit module, which comprises a power board (20), a plurality of IPM modules (204) are integrated in the middle area of the power board (20), and a power input port (203), a control input port (202) and a control output port (201) are integrated in the edge area of the power board (20); the power input port (203) is used for receiving external power; the control input port (202) is used for acquiring a control signal sent by an external device; and the control output port (201) is used for sending a driving signal to an external motor. The power board (20) is fixedly arranged on a mounting bracket (10), and a radiator (30) is connected with the middle area of the power board (20) so as to be in close contact with the plurality of IPM modules (204). The modules in the power unit module of the application are separately packaged and installed, so that the modules can be individually repaired and customized, the reusability is high, and the design and maintenance costs are reduced.

This invention discloses a method for increasing the hydrophilicity of titanium / titanium alloy dental implants using an electrochemical approach, comprising the following steps: S1, pretreating the titanium / titanium alloy dental implant to obtain a pretreated titanium / titanium alloy dental implant; S2, sandblasting and drying the pretreated titanium / titanium alloy dental implant obtained in S1 to obtain a treated titanium / titanium alloy dental implant; S3, acid etching the treated titanium / titanium alloy dental implant obtained in S2 to obtain an acid-etched titanium / titanium alloy dental implant; S4, electrochemical activation treatment to obtain an activated titanium / titanium alloy dental implant; S5, continuously rinsing the activated titanium / titanium alloy dental implant obtained in S4 with purified water for 20 seconds and drying it in a vacuum drying oven. This invention uses cyclic voltammetry (CV) electrochemically to activate the titanium / titanium alloy implant, thereby enhancing its hydrophilicity.

This invention discloses a method for the biological drying of sludge, comprising the following steps: baking biomass materials, mixing the resulting baked product with sludge, biochar materials, and a conditioner for biological drying, thereby completing the sludge drying process. In this invention, by biologically drying the mixture of baked product, sludge, biochar materials, and conditioner, not only can the self-generated heat within the system be used to effectively dewater the sludge in a very short time, but the bioavailability of the microbial carbon source can also be improved, effectively reducing the generation of polluting gases. This method can effectively reduce the emission of polluting gases while achieving rapid dewatering. It has advantages such as simple process, low treatment cost, low energy consumption, high drying efficiency, good dewatering effect, low polluting gas production, and low content of toxic and harmful components in the dried product. It can solve the problems of biomass resource waste and pollution, achieve sludge reduction and resource utilization, and has high returns and good application prospects.

The utility model discloses a distillation reaction device for preparing liquid lithium bis (fluorosulfonyl) imide, which is characterized in that 1-3 feed pipes are arranged at the top of an evaporation tank main body, a steam output pipe is also arranged at the top of the evaporation tank main body, a temperature detector is arranged on the steam output pipe, a material output pipe is arranged at the bottom of the evaporation tank main body, and the temperature detector is arranged on the material output pipe. A constant-temperature electric heater is arranged at the bottom of the interior of the evaporation tank main body, and the distillation reaction device for preparing the liquid lithium bis (fluorosulfonyl) imide improves the conditions that in the actual use process in the prior art, evaporation is only performed on the surface of liquid under the condition that boiling is not performed in the heating process, and the evaporation efficiency is limited by the surface area of the liquid; through a spraying mode, the surface area of liquid evaporation is greatly increased, the evaporation efficiency is improved, and the overall working efficiency of equipment and an assembly line is improved.

The utility model relates to the technical field of electronic wires, in particular to an anti-corrosion electronic wire which comprises a battery core conductor, a spiral groove is arranged on the outer side surface of the battery core conductor, conductive gel containing benzotriazole is filled in the spiral groove, a conductive layer is sleeved on the outer side of the battery core conductor, a chemical passivation layer is arranged on the outer side of the conductive layer, and an anti-corrosion layer is arranged on the outer side of the chemical passivation layer. The outer side of the chemical passivation layer is sleeved with a physical blocking layer, the outer side of the physical blocking layer is provided with a fireproof mica layer, the outer side of the fireproof mica layer is sleeved with a shielding layer, the outer side of the shielding layer is sleeved with an armor layer, and the outer side of the armor layer is sleeved with an anti-corrosion sheath. Through the synergistic effect of the chemical passivation layer and the four-layer composite anti-corrosion sheath (the W61-3 organic silicon coating, the graphene epoxy coating, the nano modified layer and the PTFE glass fiber composite layer), a chemical and physical dual protection system is formed, the cable can resist complex corrosion environments such as acid, alkali, salt and humid and hot atmosphere, and the protection life is prolonged by more than three times.

The utility model discloses a bottom forming device of blow mould that improves cooling effect to shorten blow moulding post -cooling setting time, include: a pair of bottom forming half mould, this pair of bottom forming half mould is provided with bottom forming half cavity respectively, and the bottom forming half cavity on this pair of bottom forming half mould corresponds to each other, and when the mould closes, the bottom forming half cavity on this pair of bottom forming half mould forms bottom forming cavity, a plurality of cooling grooves are provided on the bottom forming half mould respectively, a pair of bottom forming half mould is provided with the sawtooth shape cooling row of teeth respectively on the outside of bottom forming half cavity on each profile thereof, and the cooling row of teeth on this pair of bottom forming half mould is staggered with each other. The bottom forming device can be widely used in the blow mould of middle -sized plastic bottle (barrel), can shorten the cooling time greatly, improves production efficiency.

The utility model discloses a kind of glue dispensing machines with preheating function, relate to glue dispensing machine technical field, including workbench, preheating component for heating workpiece is equipped in the workbench, the preheating component includes two parts, and is located at the two sides of workbench respectively, a pair of heating pipe is equipped in the preheating component, a pair of the heating pipe is all in the shape of bending shape.The utility model places workpiece in preheating component, and the heating pipe surface area of bending shape is big, and the heat dispersed in unit time is more, so that preheating component is rapidly heated, preheating work is carried out to workpiece, after preheating, glue dispensing is carried out to workpiece, and glue material flow flat speed is faster, greatly improve glue dispensing production efficiency, satisfy the demand of industrial production.

The invention discloses an organic phosphorus wastewater degradation and phosphorus recovery experimental device and method, and particularly relates to the field of organic phosphorus wastewater treatment.The organic phosphorus wastewater degradation and phosphorus recovery experimental device comprises an electric reaction box, a recovery reaction unit capable of performing electrochemical reaction is arranged in the electric reaction box, and a water inlet pipe and a water outlet pipe are arranged between the two sides of the recovery reaction unit and the electric reaction box respectively; the recovery reaction unit comprises a water storage reaction box, a Fe3O4-coated N-GO negative plate and a titanium platinum positive plate are arranged in the water storage reaction box, the Fe3O4-coated N-GO negative plate is used for preparing Fe3O4-coated N-GO by adopting a one-step hydrothermal method, the Fe3O4-coated N-GO is loaded on an electrode, and the Fe3O4-coated N-GO negative plate has excellent electron transfer efficiency and catalytic activity. The organic phosphorus wastewater can be completely degraded within 40 minutes, and the PO4 < 3-> conversion rate is 35%; by constructing a continuous operation system for electrochemical degradation and recovery of the organophosphorus wastewater, efficient degradation and detoxification of the organophosphorus wastewater are realized, released phosphorus is recovered, and the method has practical significance of reducing treatment cost and increasing economic benefits.

The utility model discloses an external reinforcing rib PVC electrical conduit, which comprises a core tube, a reinforcing outer tube is arranged on the surface of the core tube, external spiral reinforcing ribs are uniformly arranged on the surface of the reinforcing outer tube, the external spiral reinforcing ribs comprise thick spiral ribs and thin spiral ribs, and the thin spiral ribs are positioned between two adjacent thick spiral ribs; a flame-retardant inner pipe is arranged on the inner wall of the core pipe, and inner spiral reinforcing ribs are evenly arranged on the inner wall of the flame-retardant inner pipe. The reinforcing ribs of the three-dimensional structure are designed and are spiral, so that the axial structural strength is improved, the circumferential structural strength is also improved, and the compression resistance effect is improved; the outer spiral reinforcing rib comprises a thick spiral rib and a thin spiral rib, so that the surface area can be increased, the adhesive force with concrete is increased, and hollowing and cracking of the concrete are prevented; the friction resistance can be reduced by reducing the contact area between the internal spiral reinforcing ribs and the threading wire, the threading wire in the early stage and the threading wire in the later stage are convenient, the wiring difficulty is reduced, the flame retardant effect can be improved by arranging the ceramic coating, and the use is safer.

The utility model discloses a handle and an air conditioner and relates to the technical field of air conditioners, the handle is applied to the air conditioner, the air conditioner is provided with a containing cavity located on the inner side of a panel of the air conditioner, an installation opening is formed in the panel, and the handle comprises a buckling groove side wall. The side wall of the catching groove penetrates through the mounting opening to enter the containing cavity. The buckling groove side wall is configured to extend into the containing cavity from the panel, and at least part of the extending direction is inclined relative to the normal direction of the installation opening. The handle provided by the utility model is provided with the buckling groove side wall which is at least partially obliquely arranged, so that the contact area between the groove wall of the buckling groove and fingers of a user can be increased, and the comfort of the handle is improved.

The utility model discloses a high-ammonia-nitrogen wastewater treatment device based on a zeolite and MBR combined process. The high-ammonia-nitrogen wastewater treatment device comprises an adjusting tank, a biochemical reaction tank, an MBR membrane tank, a reflux tank and a water producing tank, the interior of the biochemical reaction tank is divided into an anoxic zone and an aerobic zone by a first partition plate, a submersible stirrer is arranged in the anoxic zone, an aeration device is arranged in the aerobic zone, zeolite particles are filled in the anoxic zone, a grid mesh for intercepting the zeolite particles is arranged at an overflow port of the aerobic zone, and an MBR membrane assembly is arranged in the MBR membrane tank; the regulating tank is connected with the biochemical reaction tank through a lifting pump and a lifting pipeline, the anoxic zone, the aerobic zone, the MBR membrane tank and the reflux tank are in overflow connection in sequence, the reflux tank is connected with the anoxic zone through a reflux pump and an external reflux pipeline, and the MBR membrane assembly is connected with the water producing tank through a water producing pump and a water producing pipe. The device can improve the treatment efficiency and treatment effect of the ammonia-nitrogen wastewater and improve the effluent quality.

The utility model discloses an optical fiber exchange box heat radiation structure with air cooling diversion, which relates to the technical field of optical fiber communication box cooling, and comprises a heat radiation air cooling diversion assembly and a heat radiation fan which are arranged at one end of an optical fiber exchange box body, and the upper edge of the optical fiber exchange box body is provided with a plurality of fixing assemblies; the heat dissipation air-cooling diversion assembly comprises a plurality of heat dissipation fins and a plurality of diversion air-cooling plates, the end faces of the heat dissipation fins are of U-shaped structures, the plurality of heat dissipation fins are fixedly connected to one end of the optical fiber exchange box body, and the plurality of diversion air-cooling plates are symmetrically distributed between the output end of the heat dissipation fan and the plurality of heat dissipation fins; in the technical scheme provided by the utility model, through the synergistic effect of the U-shaped radiating fins and the flow guide air cooling plate, the surface area is increased, and the heat conduction path is optimized; the flow guide air cooling plates are symmetrically distributed between the cooling fan and the cooling fins, airflow disturbance is enhanced through surface through holes, and the heat exchange efficiency is improved.

The utility model belongs to the field of hydraulic oil cylinders, and provides an efficient heat dissipation hydraulic oil cylinder which comprises a base, a cover shell is arranged on the base, a liquid storage barrel, a heat conduction barrel and a cylinder barrel which are located in the cover shell are arranged on the top of the base, a piston rod penetrating through the cover shell is movably arranged on the top of the cylinder barrel, and the heat conduction barrel covers the outer side of the cylinder barrel. Heat dissipation fins and cooling pipes are spirally wound on the outer surface wall of the cylinder barrel in a staggered mode, and an air cooling assembly located on one side of the heat conduction barrel is further movably arranged on the base. The heat conduction barrel, the cooling pipe, the heat dissipation fins and the air cooling assembly are arranged on the outer side of the cylinder barrel, water cooling circulation heat dissipation and guiding transmission heat dissipation are conducted on the cylinder barrel from the outer side of the cylinder barrel, the overall heat dissipation surface area of the cylinder barrel is increased, the heat dissipation capacity of the cylinder barrel is improved, and the service life of the cylinder barrel is prolonged; and the vertical pipe can be driven to move in a semi-ring shape, the heat dissipation area of the spirally arranged heat dissipation fins is enlarged, and the overall heat dissipation effect is further improved.

The utility model discloses a filtering device for a low-nitrogen combustor, and relates to the field of low-nitrogen combustors, the filtering device comprises a combustor body, a filtering assembly and an adjusting assembly, gas enters a gas inlet cylinder, through a plurality of adhesion plates which are obliquely arranged in a staggered mode, smoke is guided to sequentially pass through the adhesion plates, and through the curved surfaces of the outer surfaces of the adhesion plates, the smoke is guided to pass through the adjusting assembly; the flue gas is guided by the adhesion plate on the upper layer and hit on the surface of the adhesion plate on the lower layer, so that large-particle substances in the flue gas are adsorbed on the adhesion plate, the large-particle substances are filtered, the blockage problem is avoided, and the device is convenient to use and high in practicability. The hexagonal nut at one end of the two-way threaded rod is rotated by using other tools, so that the two-way threaded rod is driven to rotate, the two control blocks oppositely move in the connecting cylinder, then the gap of the space in the connecting cylinder is controlled, the gas flow rate is adjusted, and the gas inlet amount is conveniently controlled.

The application discloses a rigid-flexible coupling bimodal end effector for picking chrysanthemum morifolium ramat, and belongs to the field of agricultural harvesting machines. The rigid-flexible coupling bimodal end effector comprises a driving execution device and a fixing device. The driving execution device comprises a bimodal finger, a steering engine and the like, is used for realizing the opening and closing of the end effector, controlling the expansion mode and the contraction mode of the bimodal finger, and realizing reverse transmission of two rows of bimodal fingers through the rotation of the steering engine. The fixing device is used for fixing the steering engine and the bimodal finger. The application realizes a rigid-flexible coupling bimodal end effector scheme suitable for picking fragile chrysanthemum morifolium ramat in a small scale and with low loss, can solve the problems of complex structure and high cost of the end picking mechanism in the prior art, simultaneously solve the problems of great damage to flowers when a rigid end effector is used for picking, weak gripping force of a flexible end effector and low picking efficiency, and is favorable for reducing damage and improving picking efficiency.

This utility model discloses a motor base, a voice coil motor, and a camera device. The motor base has multiple outer side walls and a hollowed-out central area forming a reserved space. At least one outer side wall has multiple first adhesive-receiving grooves arranged at intervals along a first direction. Each first adhesive-receiving groove includes a first groove portion arranged along the first direction and at least one second groove portion arranged along a second direction. The second groove portion connects to the first groove portion, and the end of the first adhesive-receiving groove is arc-shaped. Therefore, by providing the first adhesive-receiving grooves, the motor base can prevent adhesive overflow into the reserved space, while increasing the surface area available for bonding, thus helping to avoid product defects.

This utility model provides an LED display module mask, including a mask body, which comprises two sets of first mask plates and a second mask plate. The second mask plate is located between the two sets of first mask plates, and multiple sets of connecting ribs are provided between the second mask plate and the two sets of first mask plates. The second mask plate is integrally formed with the two sets of first mask plates through the multiple sets of connecting ribs. Multiple sets of lamp holes are provided on the first mask plate, the second mask plate, and the connecting ribs. Multiple sets of buckles are provided on the top surface of the connecting ribs. This LED display module mask has a reasonable structural design, which can effectively protect the LED module. Its integrated mask body can resist the intrusion of external impurities, the lamp holes ensure the orderly arrangement of LED beads to optimize the display effect, and the buckles on the connecting ribs facilitate a secure connection with other components. In addition, the mask's good heat dissipation design can dissipate heat in time, ensuring the stable operation of the LED module and greatly improving the practicality and reliability of the product.

The utility model discloses a two-stage regenerant permeation enhancement type raking device which comprises a rake tooth frame. The rake teeth are assembled and fixed on the rake tooth frame and are arranged at intervals; each rake tooth is provided with a rake tooth main body part serving as a main body and rake tooth wing parts arranged on the two sides of the rake tooth main body part; a step surface is formed between the rake tooth wing part and the rake tooth main body part, the raking device forms an old mixture step surface when the old mixture is raked through the step surface of the rake tooth, and a regenerant is scattered on the surface of the old mixture step surface. According to the harrowing device, the harrowing tooth wing part and the harrowing tooth main body part form the step surface, the step surface can be formed on an old mixture in the harrowing process through the harrowing device with the step surface, and compared with a strip-shaped harrowing tooth structure, the surface area of the step surface can be increased, so that the contact area of a regenerant sprayed by a spraying device is increased, and the harrowing effect is improved. Spraying is performed twice, so that the mixing effect is effectively improved, and the mixing uniformity of the regenerant in the regenerant is greatly enhanced.