66results about How to "Outflow smoothly" patented technology

The invention discloses an auxiliary oil return control system, an auxiliary oil return control method and a drilling machine in the technical field of engineering machinery, and aims to solve the problems that in the prior art, the pressure building phenomenon often occurs, danger is brought to work of the drilling machine, and the safety of the system is affected. The hydraulic system comprises a main valve and a pump, a port A of the main valve is connected with a rod cavity of a first oil cylinder and a rod cavity of a second oil cylinder at the same time, and a port B of the main valve is connected with a rodless cavity of the first oil cylinder and a rodless cavity of the second oil cylinder at the same time; the control assembly comprises a port P2, a port A1 and a port B, a port P of the pump is connected with the port P2, and a rodless cavity of the first oil cylinder and a rodless cavity of the second oil cylinder are both connected with the port A1; the port A1 and the port B of the control assembly can be communicated, so that part of oil in the rodless cavity of the first oil cylinder and the rodless cavity of the second oil cylinder flows into the oil tank through the control assembly, it is guaranteed that the oil flows out stably, the pressure building condition is prevented, and the stability and safety of the hydraulic system during working are guaranteed.

The utility model discloses a liquid cooling plate which comprises an upper cover plate and a lower cover plate, and a main flow channel is formed between the upper cover plate and the lower cover plate; the water inlet nozzle is communicated with the water inlet of the main flow channel and is used for allowing a refrigerant to flow in; the water outlet nozzle is communicated with a water outlet, corresponding to the water inlet, of the main runner and is used for allowing a refrigerant to flow out; the heat exchange columns are arranged in the main flow channel, and the densities of the heat exchange columns in different areas in the main flow channel are different. According to the liquid cooling plate, the plurality of heat exchange columns are arranged, so that the structural strength of the liquid cooling plate can be enhanced, the contact area between a refrigerant and the flow channel wall can be increased, and the heat exchange efficiency is improved. Besides, the heat exchange columns with different densities are arranged in different areas, so that the flow distribution of the refrigerant in the flow channel can be optimized, the refrigerant is uniformly distributed, and the uniformity of the heat dissipation performance of the liquid cooling plate is improved.

The utility model relates to the technical field of speed reducer cooling, in particular to a speed reducer air cooling device which comprises a fan, an airflow guide part, a flow equalizing and diffusing part and a spiral guide part, the fan is used for generating airflow to act on a speed reducer shell, and the airflow guide part is in a hollow shape with two open ends and is arranged on the outer side of the speed reducer shell in a sleeving mode. One end of the air flow guide part is opposite to the output end of the fan, and the flow equalizing and diffusing part is arranged at the input end of the air flow guide part and used for dispersing concentrated air flow and evenly distributing the concentrated air flow to the cross section of the air flow guide part. And under the matching action of the flow equalizing diffusion piece and the spiral guide piece, the airflow flows out of the air outlet of the air duct more uniformly and better fits the outline of a shell of the speed reducer, so that the surface of the speed reducer is covered by the airflow more comprehensively and uniformly.

The utility model relates to the technical field of powder conveying, and discloses a powder bin discharging anti-blocking device which comprises a beating mechanism, an auxiliary mechanism and a protection mechanism, the beating mechanism is located in the protection mechanism, the auxiliary mechanism is located in the middle of the protection mechanism, and the beating mechanism comprises a first driving motor. The device comprises a beating mechanism, a first driving motor is arranged on the beating mechanism, the output end of the first driving motor is fixedly connected with a first connecting shaft, the rear end of the first connecting shaft is fixedly connected with a driving toothed belt wheel, and the surface of the driving toothed belt wheel is meshed with a synchronous toothed belt. A first connecting shaft drives a driven toothed belt wheel to rotate through a synchronous toothed belt, a second connecting shaft rotates along with the driven toothed belt wheel, a fixing column and a limiting column are driven together, when a roller collides with the inner wall of a shell, the limiting column is pushed to move inwards, a spring is compressed, and therefore mechanical impact generated by collision is relieved, and the service life of the roller is prolonged. And the abrasion and the energy loss of the device in the operation process are reduced.

This application relates to the field of small household appliance technology, specifically to an electric kettle. The electric kettle includes: a first kettle body, comprising a kettle frame, a handle, and a lid; the kettle frame has a water storage cavity; the lid is fitted onto the kettle frame; and the handle is connected to the kettle frame; a spout, comprising a water outlet channel; a first end of the water outlet channel communicating with the water storage cavity; and a second end of the water outlet channel communicating with the outside of the first kettle body; and a switch device disposed at the spout, the switch device having a closed state (closing the water outlet channel) and an open state (opening the water outlet channel); wherein the spout is located at the bottom of the kettle body, and the port of the first end of the water outlet channel is lower than the port of the second end of the water outlet channel. This electric kettle, by changing the water dispensing method, makes pouring water more effortless for the user.

The invention relates to the related technical field of sewage treatment, in particular to mouthwash production sewage treatment equipment which comprises a treatment pond, the treatment pond is divided into a coagulation zone, a flocculation zone and an air flotation zone, the treatment pond is provided with a mixing and shaking assembly in the coagulation zone, and the mixing and shaking assembly stirs and mixes sewage and a coagulant to form a mixed solution; the mixing and shaking assembly comprises a shaking barrel, the shaking barrel performs conical circumferential swinging in the coagulation area, the treatment tank is provided with a shaking and feeding assembly in the flocculation area, and the shaking and feeding assembly is used for uniformly sprinkling a flocculating agent into the coagulated sewage. Through conical swinging mixing of the coagulation area, reciprocating material sprinkling and staggered stirring of the flocculation area, fan-shaped stirring and gathering scraping of the air flotation area and continuous reciprocating motion of a stirring separation assembly, it is ensured that scum is removed in time, and the situation that the air flotation effect is affected due to the fact that a scum layer is too thick is avoided; the whole structure is compact, transmission is efficient, and the treatment efficiency of mouthwash production sewage and the stability of effluent quality are remarkably improved.

The utility model discloses an overturning and shaking device for diamond micro-powder, and relates to the technical field of diamond micro-powder dispersion. Comprising a supporting base, a mixing main body rotates on a supporting plate, diamond micro-powder is prevented from being accumulated on the inner wall and the bottom of the mixing main body in a rotation mode, more sufficient mixing and dispersing are achieved, and the stirring efficiency is improved; the stirring support on the outer wall of the movable shaft is driven to conduct stirring work in the mixing body, the arranged stirring support can be inserted in a sliding mode through a sliding groove in the outer wall of the movable shaft, then locking and dismounting are conducted through a bolt, and dismounting of the stirring support is achieved. The stirring support can be conveniently taken down to be cleaned or replaced when needed, the influence of dirt accumulated due to long-term use of the stirring support on the stirring effect is avoided, and meanwhile, the device is convenient to maintain and repair.

The utility model relates to the technical field of refrigeration equipment, in particular to an air conditioner refrigeration throttling device. The pipe body is composed of a liquid inlet section, a throttling section and a liquid outlet section, the inlet of the liquid inlet section is provided with a filter screen, the middle of the liquid inlet section is provided with a throttling core for controlling flow, the throttling section comprises a throttling piece for accurately adjusting the flow, the inner diameter of the liquid outlet section is gradually increased, the flow velocity of fluid can be reduced, and pressure loss can be reduced; the tail end separating plate is provided with separating holes and liquid discharging grooves for further separating gas and liquid, buffering cavities are formed between the spiral blades and the separating plates, and connector threads are formed in the two ends of the pipe body. According to the device, through the gradually-expanding design of the inner diameter of the liquid outlet section and the synergistic effect of the flow guide blades, the spiral blades and the separation plates in the liquid outlet section, the effects of reducing the flow speed of a refrigerant and enhancing gas-liquid separation are achieved, and the overall efficiency and stability of a refrigerating system and the heat exchange efficiency of an evaporator are improved; the stable and efficient operation of the equipment is ensured; and the service life is prolonged.

The utility model relates to the technical field of ionic rare earth ore mining liquid collection, in particular to a liquid collection slope protection structure for ionic rare earth in-situ leaching, which comprises a retaining wall arranged beside a rare earth ore side slope, and the retaining wall is provided with a drainage hole, a flow guide hole connected with a slope body and used for guiding and collecting ore leaching liquid. A gravel inverted filter layer is arranged between the retaining wall and the side slope, and the end, close to the side slope, of the drainage hole extends to the gravel inverted filter layer. According to the utility model, the problem that the drainage hole is blocked due to piping of the slope body in the liquid injection process can be prevented to a certain extent.

This invention discloses a baby food bowl, comprising a lower bowl made of rigid material and an upper bowl made of silicone. The upper bowl surrounds the upper edge of the lower bowl and includes an integrally formed drainage section and a rim. The drainage section is located at the front upper edge of the lower bowl. This invention, through the combination of rigid and silicone materials and a multi-functional structural design, achieves precise food grinding, accurate dispensing, and safety protection, thus optimizing the infant feeding experience.

The utility model discloses a deep foundation pit grouting device and relates to the technical field of building construction equipment, the deep foundation pit grouting device comprises a base, a material storage box and a grouting pipe, the material storage box is fixedly installed on one side of the top of the base, a feeding port is fixedly installed at one end of the material storage box, telescopic rods are fixedly installed at the two ends of the surface of one side of the base, and the telescopic rods are fixedly connected with the grouting pipe. Two telescopic rods are fixedly installed on one side of the top of the base, a supporting plate is fixedly installed at the moving ends of the two telescopic rods, fixing plates are fixedly installed at the two ends of the top surface of the supporting plate, a rotating shaft is rotationally arranged between the two fixing plates, a grouting pipe is wound around the surface of the rotating shaft, and a grouting pump is fixedly installed on the other side of the top of the base. Through the arrangement of the rotating shaft, the telescopic rod and the supporting plate, the position of the grouting pipe can be accurately fixed, the problem that the grouting pipe is difficult to position is effectively solved, the uniformity and accuracy of grouting are guaranteed, and the stability of a deep foundation pit is improved.

The application discloses an automatic bubble cotton pasting device, which comprises a machine table and a pasting platform, a turnover device, a first pasting device, a second pasting device, a third pasting device, a first transfer device, a second transfer device, a third transfer device, a feeding device and a discharging device arranged on the machine table. The pasting platform is provided with a plurality of first pasting stations, a plurality of second pasting stations and a plurality of third pasting stations. Specifically, the first pasting stations are three in number, the second pasting stations are two in number, and the third pasting stations are two in number. The second pasting stations and the third pasting stations are provided with a space. The turnover device is arranged on the space between the second pasting stations and the third pasting stations, and is provided with a turnover station. The bubble cotton pasting operation is carried out by using the device, so that the manpower can be saved, the production efficiency is improved, and the production cost is reduced. The production material flows out smoothly, the qualified rate of finished products is improved, the work production efficiency is improved, the manpower is saved, and the production cost of the company is reduced.

The utility model relates to the technical field of joint beautifying, concretely is joint beautifying integrated glue filling and scraping tool, including fixed part and the scraping part of setting on fixed part, the fixed part is used for installing on the gun head of glue gun, the end of scraping part is arc edge structure, and is located V type glue leakage mouth in scraping part end, and is located V type glue leakage mouth position in scraping part in -close setting has the pressure block, this joint beautifying integrated glue filling and scraping tool, through the integration of glue filling and scraping function in one, reduced the step needing to change tool in traditional craft, simplified the operation process, improved the efficiency of joint beautifying construction significantly, in addition, through the fixed part installation on the gun head of glue gun, realize convenient connection with glue gun, and the arc edge structure and V type glue leakage mouth design of scraping part end, can make glue material even flow, and the opening direction of fixed part can accurate control glue direction.

This invention discloses a quantitative molten metal feeding device for a die-casting machine that offers stable flow and easy maintenance. The device includes a slurry tank, a valve core module, a cylinder, a connecting shaft, a plunger rod, and a probe module. The valve core module comprises a guide tube, a small end cap, and a large end cap. The guide tube is assembled inside the large end cap. The small end cap and guide tube together can move vertically within the central through-hole of the large end cap. Through-holes A and B are respectively provided on the sides of the guide tube and the large end cap. When the valve core module extends from the bottom of the large end cap, the molten metal sequentially enters the slurry tank through the valve port at the bottom of the guide tube, through-hole A, and through-hole B. When the valve core module retracts from the bottom of the large end cap, the molten metal is sealed and stored inside the slurry tank. This invention achieves stable quantitative molten metal feeding and allows for faster recovery after power outages. The molten metal valve port has an anti-collision structure, ensuring that even if the device experiences a violent collision with the die-casting machine or the ground during operation, the high-temperature molten metal inside will not leak, making it safer to use.

This utility model relates to the field of skincare product dispensing technology, specifically disclosing a skincare product dispensing device. The device includes a chamber with multiple feeding windows. A container conveyor line is installed within each feeding window, and an injection gun is positioned above the conveyor line. Multiple mounting rods are located inside the chamber, and these rods are fixedly connected to the injection guns. A spring structure supporting the mounting rods is located inside the chamber, and an oscillating component that pushes the mounting rods to reciprocate horizontally is also located inside the chamber. When the injection gun dispenses liquid, it oscillates slightly from side to side, buffering the dispensing pressure and allowing the liquid to flow evenly, preventing localized accumulation due to a fixed angle. This is especially beneficial for viscous skincare products such as creams and serums; oscillation helps them flow smoothly, preventing blockage at the dispensing port and improving dispensing efficiency.

The utility model discloses an easy-toppling anti-scattering iron bucket which comprises a bucket body, a guide arc is arranged on the lower side of the outer arc surface of the bucket body, and the iron bucket further comprises a supporting mechanism. The supporting mechanism comprises a fixing base, a mounting groove, a vertical plate, a first clamping disc and a second clamping disc, the fixing base is arranged on the right side of the outer arc face of the can body, the mounting groove is formed in the front side in the fixing base, the vertical plate is arranged on the front side in the mounting groove, the first clamping disc is arranged in the middle of the rear end of the vertical plate, and the second clamping disc is arranged on the rear side in the mounting groove; the supporting mechanism further comprises a mounting rod, a limiting seat and a fixing rod, the mounting rod is rotationally connected to the middle of the right end of the fixing seat, according to the anti-scattering iron bucket easy to topple, the operation difficulty is reduced, in the subsequent raw material toppling process, raw materials can flow out of the bucket body more smoothly, and the anti-scattering effect is improved. The problem that raw materials are scattered all around due to the fact that the barrel body shakes back and forth is solved.

This utility model relates to the field of rice processing equipment and discloses a rice processing device with convenient flow rate control. It includes a storage silo, with a feeding pipe fixedly installed at the bottom of the silo. Two rotating shafts are rotatably mounted on the front and rear inner walls of the feeding pipe, and adjusting plates are fixedly mounted on the rotating shafts, the two adjusting plates being adapted to the feeding pipe. A housing is fixedly installed on the front side of the feeding pipe, and a lifting plate is slidably installed inside the housing. A drive seat is fixedly installed at the bottom of the lifting plate, and a moving hole is opened on one side of the drive seat. A moving seat is slidably installed in the moving hole, and two rectangular seats are fixedly installed at the bottom of the moving seat. A drive mechanism is provided between the rectangular seats and the rotating shafts. This utility model has the following advantages and effects: through a dual electric and manual control structure, combined with gear and rack transmission, laser ranging feedback, stirring to prevent accumulation, and intelligent control technologies, it achieves precise adjustment of the feeding flow rate, stable equipment operation, and emergency fault handling, effectively improving rice processing efficiency and quality.

This utility model provides an indoor unit for an air conditioner, including a housing and a voice module. The housing has a support frame and a decorative panel disposed on the front side of the support frame. The decorative panel has a voice through hole, and the support frame has a clearance space corresponding to the position of the voice through hole. Because the sound receiving hole or sound output hole of the voice module is correspondingly arranged with the voice through hole, and the voice module is fixedly mounted on the decorative panel, and the clearance space is provided within the support frame, the voice module is located within the clearance space. Therefore, the voice module will move synchronously with the decorative panel and will not be blocked by the support frame. Even if thermal expansion and contraction cause unevenness between the support frame and the decorative panel, the sound receiving hole or sound output hole of the voice module can still be aligned with the voice through hole, achieving accurate sound reception or accurate sound output. This avoids situations where the voice control effect is poor or unable to achieve voice control, thereby achieving a better voice control effect.

The utility model discloses a molten iron covering agent spreadability measuring device which comprises a base, a circular truncated cone, a hopper and a discharging pipe, the circular truncated cone is arranged in the center of the top of the base, the hopper is arranged above the circular truncated cone, the discharging pipe is arranged at the bottom end of the hopper, and high-speed cameras are arranged on the two sides of the discharging pipe through supports. A first rotating shaft is arranged at the central position in the hopper, stirring blades are uniformly distributed on the first rotating shaft, a second rotating shaft is arranged at the bottom end of the first rotating shaft, the second rotating shaft extends into the discharging pipe, and spiral blades are uniformly distributed on the second rotating shaft. By installing the base, the circular truncated cone, the hopper, the discharging pipe, the high-speed camera, the first driving motor, the first rotating shaft, the stirring blade, the second rotating shaft and the spiral blade, the rotating speed of the spiral blade can be controlled, then the flowing-out speed of a covering agent is controlled, and the influence on spreadability measurement is reduced.

The application discloses a ball loading chamber with a simple ball discharging function and a working method thereof. When the rubber ball cleaning system is in operation, the ball loading chamber can realize the functions of ball feeding and ball collecting by controlling the four-way switching valve. After the system operation is completed, the rubber balls can be conveniently discharged by controlling the position of the four-way switching valve and opening the ball discharging butterfly valve. The application increases the rubber ball discharging port, and the rubber balls can be conveniently taken out without opening the ball loading chamber. Moreover, the switching valve of the ball loading chamber is arranged outside the ball loading chamber shell, which is convenient for installation and maintenance. The above technical measures can improve the working efficiency, improve the operation efficiency of the rubber ball cleaning system, achieve the effect of energy saving and consumption reduction, and avoid the possible personnel injury during the rubber ball taking. Moreover, the rubber balls can be conveniently taken out without opening the ball loading chamber. The working efficiency is improved, the operation efficiency of the rubber ball cleaning system is improved, and the effect of energy saving and consumption reduction is achieved.

The utility model discloses an ink production is with storage tank, belong to ink production device technical field. The utility model discloses a storage tank body, scraper and support, be equipped with the storage cavity in the storage tank body, the scraper is contacted with the inner wall of storage cavity, the outer surface of scraper is equipped with counterweight, is equipped with the guide rail in the storage tank body, and the guide rail is linked together with storage cavity, and the counterweight is slidably fitted in the guide rail. The utility model discloses the scraper and counterweight who sets up the ink scraping of storage cavity inner wall, so that when the storage tank body is inclined to a certain angle and pours out the ink, the counterweight slides down along the guide rail, drives the annular scraper and scrapes the ink remaining on the inner wall of the storage tank body, and the counterweight drives the scraper reset when the storage tank body is back to normal, avoids the sealing problem and cost increase problem of using electric push rod, and the structure is simple with the mode of gravity drive, and reliable operation reduces the failure rate and maintenance cost of equipment.

This invention relates to a concrete placing system for pole production, comprising a gantry crane and a mixing plant, a conveying pipe, and a casting mold for composite poles. The composite pole is composed of a fiberglass skeleton and concrete. The system also includes a fixed plate, a placing cylinder, a buffer pipe, a rotating cylinder, a first movable plate, a second movable plate, a mixing component, and an arc-shaped plate. When the motor drives the rotating rod and ultimately rotates the rotating cylinder, the first and second mixing plates, through a connecting rod and rotation shaft design, not only perform circular motion but also reciprocate at small angles, with the gap between them changing. This causes the width of the flow channel between the mixing plates to constantly change, completely breaking the fixed flow field inside the concrete, effectively preventing concrete segregation, maintaining its workability and uniformity, and ensuring that the concrete is in optimal condition before casting, thereby significantly improving the overall mechanical properties and structural homogeneity of the final pole product.

This utility model discloses a cyclone separator for a biomass circulating fluidized bed boiler, comprising a flue gas inlet section, a gas-solid two-phase separation section connected to the flue gas inlet section, a flue gas outlet section connected to the top and bottom of the gas-solid two-phase separation section respectively, and a solid return section. The solid return section includes multiple coaxially connected and fixedly connected solid return straight sections and multiple solid return conical sections, which are arranged at intervals in the vertical direction. Flue gas flows in from the flue gas inlet section, rotates along the inner wall of the gas-solid two-phase separation section, and achieves gas-solid two-phase separation through centrifugal force. The gas phase flows out through the flue gas outlet section, and the solid phase is returned from top to bottom through the solid return section. Through segmented and optimized solid return path and gas-solid separation flow field, the intermittent blockage problem caused by alkali metal adhesion in traditional cyclone separators is solved, avoiding forced boiler load reduction or shutdown. It is especially suitable for biomass combustion scenarios with complex fuel types and variable ash composition.

This invention discloses a real-time measurement and control device for the flow rate of high-temperature liquid molten slag with side-discharge. A first-stage slag bag is connected to a granulation device via a second-stage slag bag. The second-stage slag bag is connected to a flow measurement device for monitoring the flow rate of high-temperature liquid molten slag within both the first and second-stage slag bags. Flow control devices are installed between the first and second-stage slag bags, and between the second-stage slag bag and the granulation device, to control the flow rate of the high-temperature liquid molten slag. This invention solves the problem of difficulty in real-time monitoring of the molten slag storage in the liquid slag buffer device during the dry granulation process of liquid molten slag due to intermittent slag discharge from the blast furnace.

This utility model relates to the field of silicone production technology, specifically disclosing an anti-blocking discharge device for silicone production. The device includes a main body with an internal stirring mechanism. The bottom of the main body is connected to a discharge hopper, which contains an anti-blocking mechanism. The anti-blocking mechanism includes a rotating ring rotatably connected to the bottom of the discharge hopper, a breaking rod fixedly connected to the inner wall of the rotating ring, multiple levers fixedly connected to the outer wall of the breaking rod, a large gear fixedly connected to the outer wall of the rotating ring, a small gear meshing with the large gear, and a drive motor fixedly connected to the small gear at its output end. This utility model uses the drive motor to rotate the small gear, which in turn drives the large gear and the rotating ring to rotate, causing the breaking rod and levers to rotate accordingly. This continuously agitates the silicone material within the discharge hopper, effectively breaking up the "arch" structure formed by material accumulation and tearing apart clumps, ensuring smooth material flow and preventing blockages.

The invention relates to the technical field of medical devices, and discloses a medical humidifying sputum suction device which comprises a catheter body, a fixing assembly is arranged on the outer wall of the catheter body, a collecting box is fixedly connected to the outer wall of one end of the catheter body, and an adjusting assembly is arranged on the outer wall of the other end of the catheter body. A first sputum suction tube, a first infusion tube and a breathing tube are arranged on the inner wall of the catheter body, a switch valve is fixedly connected to the inner wall of the lower side of the collecting box, a second one-way valve is fixedly connected to the communicating position of the catheter body and the inner wall of the breathing tube, and a sealing ring is fixedly connected to the attaching position of the outer wall of the catheter body and the adjusting assembly. The fixing assembly, the collecting box and the adjusting assembly are installed on the outer wall of the catheter body, the first sputum suction tube, the first infusion tube and the breathing tube on the inner wall of the catheter body are in butt joint with the inner wall of the collecting box, and the breathing tube can stably supply oxygen while liquid can be effectively prevented from flowing back through cooperation of the first one-way valve and the switch valve.

The application relates to a dust removal device, which comprises a separator provided with a discharge port; a discharging bin provided with a discharging channel communicated with the discharge port; a stirrer arranged in the discharging bin, at least part of the stirrer being located in the discharging channel; a detector arranged on the discharging bin and used for detecting whether blockage occurs in the discharging channel; a power output end of a driver being connected with the stirrer driving; a signal input end of a controller being electrically connected with the detector, a signal output end of the controller being electrically connected with the driver, and the controller being configured to control the driver to drive the stirrer to rotate so as to loosen the materials in the discharging channel when receiving the signal that the detector detects that the blockage occurs in the discharging channel. When the controller receives the signal that the detector detects that the blockage occurs in the discharging channel, the controller controls the driver to drive the stirrer to rotate to automatically loosen the materials in the discharging channel, so that the long cut tobaccos are prevented from being intertwined into a net-shaped structure, and then the materials can flow out of the discharging channel smoothly, and the dust removal efficiency is improved.

The invention provides a mussel-imitating strong-adhesion anti-fouling marker as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. The invention provides a mussel-imitating strong-adhesion anti-fouling marker. The mussel-imitating strong-adhesion anti-fouling marker is prepared from the following components: a thixotropic temperature-sensitive physical crosslinking matrix and catechol modified chitosan nanoparticles loaded with surgical dye, the thixotropic temperature-sensitive physical crosslinking matrix comprises the following raw materials: poloxamer, a tannic acid solution, a rheology modifier and a solvent. According to the invention, poloxamer is taken as a temperature-sensitive element, tannic acid is introduced to construct a physical crosslinking enhanced network, catechol modified chitosan nanoparticles are taken as a color carrying and adhesion core, and a rheological modifier is supplemented, so that a system can be endowed with a remarkable shear thinning thixotropic characteristic, the viscosity of a marker can be instantaneously reduced when the marker is subjected to writing shear force, and the marker smoothly flows out; meanwhile, the adhesion and anti-pollution performance of the marker is improved.

The utility model relates to the technical field of medical equipment, and discloses a drainage device for treatment of neurological patients, which comprises a fixing frame, an adjustable clamping component is arranged on one side of the fixing frame, an adjusting plate is arranged in the fixing frame in a sliding manner, a height adjusting component is arranged between the adjusting plate and the fixing frame, and the height adjusting component is arranged on the fixing frame. The adjustable clamping assembly comprises a first rotating shaft and two locking frames, the first rotating shaft is rotationally connected to the fixing frame, two fixing plates are fixedly connected to one end of the first rotating shaft, a second rotating shaft is rotationally connected between the two fixing plates, and the outer wall of the second rotating shaft is fixedly sleeved with a clamping frame. According to the adjustable drainage bag, the adjustable clamping assembly is arranged, so that the device can adapt to more kinds of installation environments, the applicability is improved, the height of the drainage bag can be easily adjusted through the height adjusting assembly, the drainage bag can adapt to the head position of a patient, and it is guaranteed that liquid can flow out smoothly.

The utility model discloses a kind of water-accumulation-free flowerpot trays, belong to flowerpot tray technical field, it includes disc body, the upper surface of the disc body is provided with recess, the inside of the recess is provided with catchment area, the catchment area is connected with water guide groove, the sidewall of disc body is provided with the butt joint pipe head being connected with the water guide groove, the butt joint pipe head is detachably connected with water guide pipe, the inside of the recess is provided with support protrusion, the space between flowerpot and tray is increased by the arrangement of support protrusion, increase breathability.When using, flowerpot is placed above support protrusion, when watering, water leaked from flowerpot can be stored in catchment area, the water liquid of catchment area flows into water guide pipe through butt joint pipe head via water guide groove, water liquid in tray can be promptly discharged, avoid tray water-accumulation or overflow, save manual force, avoid pollution environment, maintain hygiene.