555 results about "Injection port" patented technology

The invention relates to the technical field of orthopedic biomedical treatment, in particular to a proximal humerus fracture intramedullary bone cement supporting rod. The bone fracture plate comprises a bone fracture plate body, a plurality of first connecting holes and a plurality of second connecting holes are formed in one side of the bone fracture plate body in a penetrating mode, and solid bone nails are arranged in the first connecting holes. According to the device, bone cement is injected into a marrow cavity from an injection molding channel and an injection molding opening and then solidified into a rod body, the marrow cavity space is tightly filled, supporting structures are synchronously formed on the inner side and the outer side of the humerus through cooperation of a bone fracture plate and a bone cement supporting rod in the marrow cavity space, and therefore stress generated when arms of a patient move is evenly dispersed on the two sides of the humerus; the fixing stability is remarkably improved, the risk of internal fixation failure such as steel plate displacement and screw cutting is effectively reduced, and the bone cement supporting rods can further prevent displacement of fracture blocks, promote fracture repair, relieve extrusion and friction of surrounding tissue of a filling position, reduce inflammatory response and postoperative pain and improve the rehabilitation comfort of a patient.

A mounting system includes a mounting device. The mounting device includes an internal cavity defined in a side of the mounting device, a first sealant aperture defined in the mounting device and opening into the internal cavity, a second sealant aperture defined in the mounting device and opening into the internal cavity, the first sealant aperture and the second sealant aperture being in fluid communication when the mounting device is placed on a surface for use, and a fastener aperture defined through the internal cavity. The mounting system further includes a coupling bracket including a bottom portion, an underside surface of which is correspondingly shaped in conformance with a shape of an outer surface of a central portion of the mounting device so as to be accommodated thereon when in use, and a fastener to couple the mounting device and the coupling bracket together via the fastener aperture.

A conveyor motivated water desorber includes a hollow prism defining a desorption channel and includes an ingress port at a proximal end of the prism, and an egress port at a distal end of the prism, a conveyor motivating movement of multiple sorbent objects through the desorption channel, an injection port and an ejection port fixed at opposite ends of the prism with a desorption zone defined therebetween within the desorption channel, a water recirculation loop recirculating water injected into the desorption channel through the injection port and exiting the channel at the ejection port with a temperature increasing from the injection port into the desorption zone and decreasing from the desorption zone to the ejection port, and a gas takeoff port fixed to the prism and coupling a gas storage reservoir to the desorption channel.

The utility model belongs to a spraying device, and provides a supersonic spraying device, a non-invasive spraying device and a spraying instrument.The problems that spraying is not uniform and operation is inconvenient still exist in an existing instrument, and the supersonic spraying device, the non-invasive spraying device and the spraying instrument.The supersonic spraying device comprises a liquid section, a gas inlet section, a contraction section, a throat part and an expansion section, and the gas inlet section, the contraction section, the throat part and the expansion section are coaxially and sequentially connected; liquid enters from the liquid section, gas is accelerated through the contraction section, reaches the throat part and is continuously accelerated at the expansion section, the liquid entering from the liquid section is atomized under the action of the gas at the throat part, is brought into the expansion section and is finally sprayed out from the spraying opening along with continuous acceleration, and the uniform spraying effect is achieved. According to the supersonic jet device, the ratio of the axial length L1 to the axial length L2 is designed, the structure of the supersonic jet device is further optimized, and actual verification shows that under the optimized ratio, the jet force of the supersonic jet device is obviously improved, the particle size and the jet range of jetted liquid drops are better, and the flow speed of the liquid drops is more stable.

The invention discloses a high-flux organoid culture liquid core device which comprises an upper cover module, a transwell module and a porous culture plate, more than one culture hole is formed in the porous culture plate, a liquid inlet hole and a liquid outlet hole are formed in the bottom of each culture hole, at least one culture liquid circulation channel is formed in the porous culture plate, and the culture liquid circulation channels are communicated with the culture holes. The culture solution circulation channel comprises an injection port, an input channel, a discharge channel and a discharge port, the injection port is communicated with the input channel, and the discharge channel is communicated with the discharge port; the porous culture plate comprises a plurality of culture holes and a plurality of culture solution circulation channels, each culture solution circulation channel is communicated with an injection port and a discharge port of at least one culture hole, the transwell module comprises more than one transwell chamber, the transwell chambers are matched with the culture holes and placed on the culture holes, and the upper cover module is used for sealing and covering the porous culture plate. According to the liquid core device, a traditional culture plate and a micro-fluidic technology are combined, high-throughput culture of the organoid is achieved, and the homogeneity of the organoid culture tissue is improved due to the fact that a parallel multi-group organoid culture mode is adopted.

The pulping and feeding mechanism comprises a feeding device, a seat stand pushing device and a melt injection assembly, the melt injection assembly comprises a melt device, a valve device, an injection device and an injection port, the output end of the feeding device is connected with the melt device, and the output end of the injection device is connected with the valve device. The valve device is arranged between the melting device and the injection device, the melt injection assembly is installed on the seat platform pushing device, the seat platform pushing device drives the melt injection assembly to advance and retreat, the injection device comprises an injection cylinder, an injection plunger assembly and an injection oil cylinder, and the injection oil cylinder is in driving connection with the injection plunger assembly. The injection plunger assembly is movably arranged on the syringe, an acting piece is arranged on the injection plunger assembly, and a travel switch is arranged on the injection device. According to the pulping and feeding mechanism, the melting device, the valve device, the injection device and the injection port are arranged, so that the weight of slurry conveyed to the injection chamber of the tilting vertical injection mechanism every time is controlled more accurately.

The invention relates to the technical field of vacuum equipment, in particular to a two-stage low-temperature vacuum pump which comprises a pump body and a pressurizing assembly, and a liquid adding cavity is formed in the pump body; the pressurizing assembly comprises an air cylinder, a movable part and a liquid discharging part, the air cylinder is coaxially located in the liquid adding cavity and is divided into a first-stage barrel and a second-stage barrel, one end of the first-stage barrel is connected to the pump body, the inner diameter of the second-stage barrel is smaller than that of the first-stage barrel, the movable part comprises a piston rod, a first-stage safety valve and a liquid outlet valve, and the piston rod sequentially penetrates through the pump body, the first-stage barrel and the second-stage barrel; the piston rod slides back and forth in the axis direction of the pump body, the piston rod, the primary safety valve and the primary barrel form a primary compression cavity, an injection port is formed in the end, close to the secondary barrel, of the primary barrel, the piston rod, the liquid outlet valve and the secondary barrel form a secondary compression cavity, and a runner hole is formed in the piston rod. The liquid discharging piece comprises a liquid discharging pipe and a liquid discharging valve, one end of the liquid discharging pipe communicates with the second-stage compression cavity, and the other end of the liquid discharging pipe is located outside the pump body; the device has the effect of conveniently solving the problem that impurities cannot be cleaned.

The invention discloses a gravity loop heat pipe based on a vein type flow channel and a radiator. The gravity loop heat pipe based on the vein type flow channel comprises an evaporation assembly, an installation support, a condensation assembly, a medium injection opening communicated with the evaporation assembly, an input copper pipe and a backflow copper pipe. A medium is input into the evaporation assembly through the medium injection port, forms steam after absorbing heat, flows into the condensation assembly through the input copper pipe, and flows back to the evaporation assembly through the backflow copper pipe after completing heat exchange in the condensation assembly. By means of the vein vapor chamber, the condensation efficiency is remarkably improved, the size of the condensation assembly is reduced, the working medium backflow path is prolonged, and more sufficient heat exchange is achieved. The external water cooling structure improves the heat dissipation efficiency, is not limited by the interior of the case, and is flexible to install. In addition, due to different structural designs of the gas pipeline and the liquid pipeline, the problems of backflow in advance and drying of a working medium in the evaporation box body are effectively avoided, and the operation efficiency and reliability of the heat pipe are integrally improved.

The double-color injection mold head comprises a mold head body, an injection port is formed in one end of the mold head body, a first material channel is formed in the mold head body, the interior of the mold head body is hollow and rotationally connected with a mandrel, an outer material channel is formed between the end of the mandrel and the mold head body, and the outer material channel communicates with the injection port. A first communicating groove used for communicating the outer material channel with the first material channel is formed in the mandrel, the mandrel is axially connected into the die head body in a sliding mode, the end of the mandrel is provided with an inserting end matched with the injection port, and through rotation of the mandrel, opening and closing of the first material channel can be achieved; by driving the mandrel to move axially, the outer material channel can be closed by means of matching of the inserting end and the injection port, so that the phenomenon of material leakage during injection mold switching of the injection port is effectively prevented, multiple purposes of the mandrel are achieved, and the overall structure is simple and compact.

The present application provides a spiral compressor comprising: a movable spiral disk; a fixed spiral disk, wherein the fixed spiral disk has a base plate and a spiral wall arranged on the base plate; and a housing arranged on the side of the base plate facing away from the spiral wall.The housing comprises a first chamber having a first opening on the bottom surface of the housing facing the base plate, this first opening being covered by the base plate to form an injection chamber connected via an injection port on the base plate to the compression chamber, which is formed by the movable spiral disk and the fixed spiral disk and corresponds to the intermediate pressure stage, the first chamber being connected to the injection port of the scroll compressor, wherein a check valve is arranged in the first chamber, which releases the flow in the direction from the injection port to the injection chamber and prevents backflow. The present application also relates to a corresponding heat pump device. The advantage of this application lies in its ability to form an injection chamber for a scroll compressor with a simple structure and a small number of components.

Ejector for use in a refrigeration circuit device, which features: a drive-side nozzle (31) designed to expand a drive-side coolant and accelerate it to a supersonic speed and inject the drive-side coolant as a drive-side injection coolant in a gas-liquid two-phase state; and a body (32) which includes: a coolant suction port (321) designed to draw suction-side coolant; a suction-side nozzle (322) designed to expand and inject the suction-side coolant, which is drawn in as suction-side injection coolant through the coolant suction port (321); a mixing section (323) designed to mix the suction-side injection coolant injected from the suction-side nozzle (322) and the drive-side injection coolant injected from the drive-side nozzle (31); and a diffuser section (324) designed to convert kinetic energy of the mixed coolant formed from the suction-side injection coolant and the drive-side injection coolant mixed in the mixing section (323) into pressure energy, wherein: the drive-side nozzle (31) has a converging section (31b), a neck section (31c) and a diverging section (31d), wherein the diverging section (31d) has a passage cross-sectional area for the passage of the coolant, which is progressively enlarged from the neck section (31c) to a drive-side injection port (31e); the drive-side nozzle (31) is arranged coaxially in a cylindrical space formed on an inside of the body (32); a coolant passage of the suction-side nozzle (322) is formed between an outer circumferential surface of the diverging section (31d) and an inner circumferential surface of the body (32) and has a cross-section that is formed in an annular shape; the drive-side injection port (31e) of the drive-side nozzle (31) and a suction-side injection port (322a) of the suction-side nozzle (322) are open such that an injection direction of the drive-side injection coolant injected by the drive-side injection port (31e) and an injection direction of the suction-side injection coolant injected by the suction-side injection port (322a) coincide; a pressure of the drive-side injection coolant is higher than a pressure of the suction-side injection coolant; and when the mixed coolant flows out of the mixing section (323) and into the diffuser section (324), a pressure of the mixed coolant measured on a central axis of the mixing section (323) and a pressure of the mixed coolant measured on a wall surface of the mixing section (323) are equal, while a flow velocity of the mixed coolant is a subsonic velocity.

The utility model belongs to the field of B ultrasonic probes, and particularly relates to a B ultrasonic probe convenient for smearing a coupling agent. According to the technology, a B-ultrasonic probe body is included, a shell is detachably arranged at the bottom end of the probe body, a plurality of partition plates are evenly distributed in the shell, the interior of the shell is divided into a plurality of independent cavities through the partition plates, a piston is arranged in each cavity, a fixing rod is vertically fixed to the top of each piston, a channel is formed in the top of the shell, and an injection opening is formed in the shell; a sealing assembly is arranged at the bottom of the cavity. Coupling agents are stored through the shell, so that the coupling agents can be used in cooperation to improve the working efficiency of medical staff, through cooperation of the piston and the sealing assembly, the coupling agents are conveniently stored, meanwhile, leakage of the coupling agents in the detection process is avoided, and through arrangement of the partition plates, multiple parts of the same amount of the coupling agents are conveniently stored; therefore, medical staff can conveniently smear appropriate amount according to the condition of a patient, and waste and cost are reduced.

The application discloses a kind of melt-cast explosive solidification forming monitoring device and method, device includes temperature control oven, the temperature control oven includes the temperature control oven main body being provided with mounting cavity, and the box door being provided at the front end of the temperature control oven main body, rotating base is provided in the mounting cavity, multiple charging sites are spaced apart and arranged on the rotating base, an explosive body mold is provided on each charging site, and the top end of the explosive body mold is connected with a riser hopper;Vacuum tube and injection tube are provided on the top plate of the temperature control oven main body, and the bottom of the injection tube is provided with injection port;X-ray detector, infrared thermal imager and multiple temperature acquisition devices are further provided in the temperature control oven main body.The device realizes the coupling of charging, solidification nursing and process monitoring, multiple charging sites can be independent of each other, can also be combined with each other, effectively improves the monitoring efficiency, and can provide dynamic parameters for process optimization.

The invention discloses a fetal nucleated red blood cell sorting device and method based on inertia focusing microfluidics, and belongs to the field of cell screening. A fetal nucleated red blood cell sorting device based on inertia focusing microfluidics comprises an air pump, an anti-backflow device, a sample injection valve, a sample injection pipe, a micro-fluidic chip, a waste liquid pipe and a sorting pipe, the output end of the air pump is connected with the input end of the anti-backflow device through a hose, the output end of the anti-backflow device is connected with the input end of the sample injection valve through a hose, and the output end of the sample injection valve is connected with the output end of the micro-fluidic chip. The sample injection valve is in threaded connection with the sample injection pipe, and the output end of the sample injection valve is connected with a sample injection port of the micro-fluidic chip through a hose. According to the method, high-flux sorting of the fetal nucleated red blood cells (fNRBCs) in the peripheral blood of the pregnant woman is realized, and the recovery rate is high; meanwhile, the sorting process is mild, the cell viability and functional integrity of the fNRBCs are not influenced, and the accuracy and reliability of detection results such as subsequent antenatal diagnosis are ensured.

The present disclosure relates to a clothes care apparatus including: a care room configured to accommodate clothes, and a steam injector configured to inject steam onto the clothes accommodated in the care room, wherein the steam injector includes an injection plate including an injection port through which steam is injected, a driver configured to move the injection plate so that the injection plate is moved in a first direction and a second direction opposite to the first direction, and a distance sensor disposed on the injection plate to detect a distance between the clothes accommodated in the care room and the injection port.

The utility model relates to the technical field of engine oil pots, and discloses an engine oil pot structure which comprises an engine oil pot body, a spray pipe is connected to a nozzle of the engine oil pot body, a connecting spray pipe is arranged at one end of the spray pipe, a spray head is connected to one end of the connecting spray pipe, and a lantern ring is fixed outside the other end of the connecting spray pipe. Sleeves are fixed to one sides of the outer walls of the spray pipes, one ends of the spray pipes are sleeved with the lantern rings, one ends of the lantern rings are inserted into the sleeves, and fixing mechanisms are connected to the two sides of the lantern rings and the two sides of the sleeves. The lantern ring is arranged at one end of the spray pipe in a sleeving mode, then the lantern ring is fixed through the fixing mechanism, and the connecting spray pipe can be fixed to one end of the spray pipe to be used, so that the total length of the spray pipe can be increased, and engine oil can be conveniently injected into a deep injection opening position.

The utility model relates to the field of analgesia instruments, in particular to a low-temperature impact analgesia instrument, which comprises a cart, an analgesia instrument body and an analgesia instrument body. The coolant spraying device is detachably arranged on the cart, the coolant spraying device comprises a treatment gun, a pipeline and at least two gas cylinders, the gas cylinders are used for storing high-pressure and ultralow-temperature coolants, gas outlets of the gas cylinders are communicated with an input port of the treatment gun through the pipeline, and the gas cylinders are communicated with an output port of the treatment gun through the pipeline. The output port of the treatment gun is an injection port for injecting a coolant; and the storage box is arranged on the cart. The gas storage capacity of the coolant can be improved, and the service time is prolonged.

The application discloses a manufacturing device of a heating structure, which is used for manufacturing the heating structure, and the heating structure comprises an outer tube and a bearing body, a sealed cavity is formed between the outer tube and the bearing body, the outer tube comprises a tube wall and a first cover plate and a second cover plate connected to opposite ends of the tube wall, the first cover plate and the second cover plate are connected to an outer wall of the bearing body; the manufacturing device of the heating structure comprises a forming die and a high-temperature injection equipment, the forming die is internally provided with a pouring cavity and a positioning part for fixing the bearing body, the pouring cavity is provided with an annular opening corresponding to the positioning part, the forming die is provided with an injection port communicating with the pouring cavity, the pouring cavity is used for pouring to form the tube wall and the first cover plate, and the first cover plate is connected to the bearing body at the annular opening; the high-temperature injection equipment comprises a heating module for heating hot-melt material to a molten state and an injection head for being docked with the injection port. The manufacturing device of the heating structure has good product consistency. The application further relates to a manufacturing method of the heating structure, the heating structure and a non-combustion smoking set.

The utility model provides an intramedullary nail device achieving mechanical enhancement through photocuring, and belongs to the technical field of orthopedic medical treatment. Comprising an expandable balloon and an introduction sheath sleeve, the expandable balloon is of a long-strip cylindrical structure, an injection cavity is formed in the expandable balloon, and an injection opening is formed in the end of the expandable balloon; and the introduction sheath is wound and wrapped outside the expandable balloon. And a micro sheath is adaptively mounted at an injection port of the expandable balloon. The micro sheath is in communication with the expandable balloon. And an injection needle tube is arranged on the micro sheath. And a positioning guide wire penetrates into the micro sheath. And the positioning guide wire penetrates through the injection port and enters the interior of the expandable balloon. According to the intramedullary nail, due to the arrangement of the expandable balloon, operation steps are optimized, operation efficiency is improved, the photocuring process is easy to control, operation of a doctor is facilitated, and the intramedullary nail after photocuring can show higher strength when being stressed, so that deformation and displacement of a fracture part are more effectively resisted.

The invention provides a grouting curing pile structure and a construction method thereof, the grouting curing pile structure comprises a pile body and an injection mechanism, the pile body comprises a pile body, a plastic-coated steel pipe is arranged in the pile body in the circumferential direction, the injection mechanism comprises an injection pipe, the injection pipe can extend into the plastic-coated steel pipe, an injection port is formed in the injection pipe, and the injection port can communicate with the plastic-coated steel pipe; a plurality of injection ports are formed in the surface of the pile body in the circumferential direction and the longitudinal direction, and three-way valves are arranged at the positions, corresponding to the injection ports, in the pile body; a liquid drainage assembly is arranged in a branch pipe of the three-way valve and comprises a first one-way valve and a protective film, and the protective film is arranged at the outlet end, close to the injection port, of the three-way valve and located in the pile body; the first one-way valve comprises a puncturing structure, the puncturing structure faces the protective film, and the puncturing structure can puncture the protective film. The puncturing structure is driven by the grouting pressure to break the protective film, an additional driving mechanism does not need to be added, and the grouting pressure can be used for grouting and breaking the protective film.

This utility model relates to the field of medical device technology; and discloses an arm-type infusion port fixator, including a housing, a turntable rotatably inserted inside the housing, and a groove formed on the top surface of the turntable; two sets of baffles are fixed on one side of the housing, and a restraint strap is slidably fitted on the outer surface of one side of the pull bolt. This utility model, through the cooperative use of the housing, turntable, groove, slider, square groove, recess, first spring, and pressure plate, can fix injection ports of different sizes by rotating the turntable, thereby reducing the possibility of the injection port shifting during the patient's daily activities; through the cooperative use of the baffles, groove, pull bolt, second spring, restraint strap, and the barbed and hooked surfaces of the Velcro, it is convenient to bind patients with different arm sizes, and at the same time, it is convenient for medical staff to change and clean it daily, reducing bacterial residue on the surface of the restraint strap.

The utility model relates to the technical field of beauty instruments, and discloses a beauty injection needle and beauty injection equipment, the beauty injection needle comprises a needle seat and a needle tube, the needle seat is made of a first material and comprises a needle seat opening; the needle tube is made of a second material and comprises a connecting section connected with the needle base and a needle tip section connected with the connecting section, the end, away from the needle base, of the needle tip section comprises a totally-closed structure, at least one injection port is formed in the side portion of the needle tip section, and the injection port is communicated with the needle base opening through the needle tube; the flexibility of the needle base is smaller than that of the needle tube. Therefore, the needle tube is soft and elastic, and the medicament outlet is formed in the side face of the needle tube instead of the tip end of a traditional sharp needle. By means of the design, the blunt needle can smoothly advance into soft tissue in the operation process, and when encountering blood vessels and nerves, the blunt needle can naturally slide away and does not pierce the blood vessels and the nerves, so that the occurrence probability of bleeding, swelling, nerve injury and other problems is greatly reduced.

This invention discloses a slow-release sealing device, comprising: an installation tube having an injection port and a reservoir cavity that communicate with each other; the installation tube being connected to a stopcock end to connect the injection port to an indwelling needle; a pressure valve disposed within the injection port; and a fluid-pushing assembly including a pusher component disposed in the reservoir cavity that performs piston-like movements, the pusher component having a protrusion and a puncture tip; wherein the puncture tip punctures the pressure valve to form a pressure cavity. The slow-release sealing device provided by this invention utilizes the pressure valve disposed within the injection port of the installation tube and the pusher component disposed within the reservoir cavity. The installation tube can be installed onto the stopcock end of the indwelling needle, at which point the injection port communicates with the indwelling needle. The reservoir cavity pre-stores sealing fluid, allowing the pusher component of the fluid-pushing assembly to slide along the reservoir cavity, causing the sealing fluid to gradually enter the indwelling needle from the injection port through the pressure valve, thereby achieving a sealing effect on the indwelling needle and overcoming the problem of blood clotting and clogging of the indwelling needle after limb activity.

An infusion adapter for connection with an infusion fluid container is provided. The infusion adapter includes a connection spike positioned at a first end of the infusion adapter, a connection stick positioned at a second end of the infusion adapter and arranged orthogonal to the connection spike, and a joining member connecting the connection spike to the connection stick. The connection spike has a main spike portion and a puncturing point configured to engage an injection port of an infusion fluid container. The connection stick includes a locking mechanism configured to connect to an external component via a push-type engagement, with the locking mechanism including a biasing member and an engagement member. A fluid path extends through the joining member, the connection spike, and the connection stick, to provide for a transfer of fluid from the second end to the first end.

The utility model belongs to the technical field of molds, and particularly relates to an injection mold for manufacturing a pneumatic transmission urine cup with a safety buckle. The injection mold comprises an upper mold base, a supporting block and a runner block are arranged below the upper mold base, a connecting plate is arranged below the supporting block, an upper mold plate is arranged below the connecting plate, an upper mold core part is installed in a through hole part formed in the upper mold plate, and injection molding opening assemblies are inserted into the upper mold core part, a plug part and the runner block. A positioning block assembly is arranged below the upper die plate in a press fit mode, a lower die plate is arranged below the positioning block assembly, meanwhile, a lower die base is arranged below the lower die plate, a middle core piece is arranged in the upper portion of the lower die base, and the middle core piece is sleeved with a lower die core piece arranged above the lower die base. And a plurality of products can be simultaneously formed in the mold in batches, so that the production efficiency is improved, and the workload is reduced.

The liquid container which can be attached to or detached from a coupler coupled to a liquid ejector for ejecting a liquid and can be installed at a position separated from the liquid ejector, the liquid container includes a liquid accommodation vessel having an accommodation chamber for accommodating the liquid and an injection port for injecting the liquid into the accommodation chamber, and a coupling section having a lead-out section capable of leading out the liquid in the accommodation chamber and couplable to the coupler.

A vacuum sample introduction interface used for a mass spectrometer comprises a capillary tube and a heating layer, the heating layer utilizes three metal fixing pieces for grounding the head end and the tail end and connecting the middle position with an electrode end, and the capillary tube is indirectly heated in a resistance type electric heating mode. Or, the vacuum sample introduction interface for the mass spectrometer comprises a capillary tube, the head end and the tail end of the capillary tube are grounded and the middle position of the capillary tube is connected with an electrode end based on three metal fixing pieces, and the capillary tube is directly heated in a resistance type electric heating mode. The capillary tube can be effectively heated, a sample is prevented from being adsorbed on the inner wall of the capillary tube and blocking the capillary sample injection tube, and a sample injection port can be ensured to be stably at zero potential by virtue of unique electrical design, so that high efficiency and safety of a sample injection process and stability and reliability of an analysis result are cooperatively ensured.

The application discloses a foaming injection device, a foaming device and a foaming toilet. The foaming injection device comprises a foaming injection body, which is provided with a foaming cavity, an air suction port, an acceleration hole and a foam injection port connected with the foaming cavity. The foaming solution is accelerated into the foaming cavity of the foaming injection body through the acceleration hole, so that the foaming cavity of the foaming injection body generates negative pressure and air is sucked in through the air suction port. The air is mixed with the foaming solution to generate foam. The foaming injection device of the application utilizes the Venturi effect to generate negative pressure and automatically suck in air, so that the air and the liquid are mixed to generate foam. Therefore, the foaming injection device has the advantages of simple structure, small volume, convenient installation, low cost and high foaming efficiency.

This utility model discloses a system window corner bracket glue injection structure, including a first profile, a second profile, and a glue injection corner bracket. The connection between the first profile and the second profile is fixedly connected by the glue injection corner bracket. The glue injection corner bracket is L-shaped, and each end of the glue injection corner bracket is provided with a connecting arm inserted into the first profile and the second profile, respectively. The upper and lower sides of the corner of the glue injection corner bracket have filling cavities. A T-shaped glue injection channel is connected between the two filling cavities, and a glue injection port is connected to the front side of the glue injection channel. This utility model uses the filling cavities on the upper and lower sides of the corner of the glue injection corner bracket to cooperate with the T-shaped glue injection channel and the glue injection port. During glue injection, the glue can enter the glue injection channel through the glue injection port and then flow into the two filling cavities. After the glue cures, the glue fills the gap between the first profile, the second profile, and the glue injection corner bracket, thereby enhancing the connection firmness of the first profile, the second profile, and the glue injection corner bracket, and increasing the overall strength of the system window frame.

An autosampler comprises a needle unit having a needle holding part that holds a needle for aspirating and discharging fluid through a tip thereof, the needle unit moving the needle holding part in a vertical direction while moving in a horizontal direction; an injection port having therein a flow path to which the needle is fluidly connected during sample injection, wherein an opening communicating with the flow path is provided on an upper surface, a seal part is provided inside the opening, against which an outer peripheral surface of the tip of the needle is pressed when the needle descends to a predetermined height from above the opening, and the tip of the needle being pressed against the seal part causes the needle to be fluidly connected in a liquid-tight manner to the flow path; and a magnetic force part provided to apply a magnetic force in a direction that pushes down the needle holding part, at least in a state where the outer peripheral surface of the needle is pressed against the seal part in the injection port.