324 results about "Injection port" patented technology

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.

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.

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 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.

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.

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.

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.

The application discloses a kind of suitable for SCR denitration ammonia injection device and device, including ammonia injection pipe and the ammonia injection port of setting at ammonia injection pipe end, ammonia injection pipe includes ammonia main pipeline, branch pipeline and branch pipeline;Along ammonia main pipeline circumferential direction, equidistantly there are several branch pipelines;In branch pipeline, equidistantly and parallelly there are several vertical branch pipeline branch pipelines;Several branch pipelines are in the same plane, plane vertical branch pipeline;In branch pipeline, there is vertical plane ammonia injection port;Ammonia injection port gas outlet direction is same with ammonia main pipeline inner gas flow direction.The ammonia injection device suitable for SCR denitration designed in the application, including branch pipeline and branch pipeline, ammonia injection pipeline because each part branch pipe length is small, and the difference of branch pipeline diameter is not big, so it can reduce the flow resistance of ammonia in pipeline.

The utility model relates to a viscometer. The viscometer comprises a cross arm, one end of the oblique arm is connected with the cross arm, the connecting position is a turning position, a first measuring piece is arranged on the turning position and used for recording the first height of the sample liquid column, and an injection port is formed in the end, away from the turning position, of the cross arm; one end of the plumbing arm is connected with the other end of the inclined arm, a second measuring piece and a third measuring piece are arranged on the plumbing arm, and the second measuring piece and the third measuring piece are used for measuring the flowing time of the sample; communicated sample flowing paths are arranged in the cross arm, the inclined arm and the plumbing arm, a vertical small pipe is arranged in the tail end of the cross arm, and the viscometer provided by the utility model can realize accurate control of the height of a measured liquid column and ensure the consistency of height measurement of the liquid column and the accuracy of a viscosity measurement result.

This utility model relates to a gel applicator for uniform drug delivery, comprising a delivery tube and a push rod. The delivery tube is divided into a head end and a tail end, with an opening at the tail end for inserting the push rod. An injection port is located at the axial center of the delivery tube near the tail end. A first dispensing hole is located at the center of the cross-section of the head end of the delivery tube. Multiple second and third dispensing holes are also provided on the peripheral wall of the delivery tube, located between the first dispensing hole and the injection port. The second dispensing holes are arranged in multiple rows along the axial direction of the delivery tube, with multiple second dispensing holes spaced apart in each row along the circumference of the delivery tube. Similarly, the third dispensing holes are arranged in multiple rows along the axial direction of the delivery tube, with multiple third dispensing holes spaced apart in each row along the circumference of the delivery tube. The diameters of the second, third, and first dispensing holes decrease sequentially. This application's technical solution has a simple structure, is easy to operate, and has a low cost, while also improving the uniformity of drug delivery.

The utility model relates to a respirator air pressure balance oil return pipeline system and a tractor. The respirator air pressure balance oil return pipeline system comprises a rear axle shell and a two-gear box shell. An oil return pipeline is connected between the rear axle shell and the two-gear box shell, and an air pressure balance pipeline is connected between the two-gear box shell and the rear axle shell. The top of the rear axle shell is connected with a respirator, and a lubricating oil injection opening is formed in the two-gear box shell. A hydraulic system is connected between the rear axle shell and the two-gear box shell and can pump out lubricating oil in the rear axle shell and inject the lubricating oil into the two-gear box shell through the lubricating oil injection port. According to the utility model, the lubricating oil can be circularly radiated between the two-gear box and the rear axle shell, and the air pressure balance pipeline is arranged between the two shells, so that the defect of independently arranging a respirator is avoided, and the air pressure balance and the liquid level height consistency of the lubricating oil in the two shells are kept.

The utility model provides a retina injector. The retina injector comprises a liquid injection body, an injection needle, a piston and an administration dosage control structure. The liquid injection body is provided with a hollow cavity used for containing liquid, a liquid injection opening and a material pushing opening, the liquid injection opening is communicated with the cavity and used for injecting the liquid into the cavity, and the material pushing opening is formed in one end of the cavity and communicated with the cavity. The injection needle is connected to one end of the liquid injection body. The piston is arranged in the cavity in a sliding mode through the material pushing opening. The administration dosage control structure is arranged in a mounting groove in the liquid injection body and is sealed with the mounting groove. The administration dosage control structure comprises a fixing assembly, a cover plate, a first material blocking part and a second material blocking part, the first material blocking part and the second material blocking part are both connected to the cover plate, the cover plate is movably connected to the fixing assembly, and the first material blocking part and the second material blocking part are of a linkage structure which ascends and descends in the cavity. The cover plate is operated so that the first material blocking piece or the second material blocking piece can movably stretch into the cavity to prevent the piston from sliding forwards.

The ammonia spraying device comprises a waste gas channel and an ammonia spraying mechanism installed in the waste gas channel, the ammonia spraying mechanism comprises a main pipe, the outer wall of the main pipe is connected with the inner wall of the waste gas channel through a supporting frame, the input end of the main pipe is connected with a conveying pipe, and branch pipes are distributed on the outer side of the output end in an annular array mode; each branch pipe is provided with a first flow dividing pipe and a second flow dividing pipe, and the first flow dividing pipe and the second flow dividing pipe are each provided with an air spraying opening. One of the air nozzles of the first flow dividing pipe and the second flow dividing pipe is configured to perform reverse injection so as to collide with waste gas flow to generate turbulent flow, and the other one is configured to perform same-direction injection; the invention belongs to the technical field of SCR (selective catalytic reduction) system nitrogen injection, aims to solve the problem of poor mixing uniformity in the prior art, and achieves the technical effects that ammonia gas which is reversely injected collides with waste gas flow at a high speed, intense turbulent flow is actively produced to crush ammonia gas clusters, and efficient mixing in a channel is realized.

The utility model provides a mold for synchronously manufacturing a refrigerating upper end cover and a freezing lower end cover, which comprises a front mold, a rear mold and a rear mold, a first forming cavity and a second forming cavity are formed between the rear mold and the front mold, and the first forming cavity and the second forming cavity communicate with the injection molding opening through a branch runner and a main runner correspondingly; the shutoff valves are divided into a first shutoff valve set corresponding to the first forming cavity and a second shutoff valve set corresponding to the second forming cavity. An adjusting runner is arranged on the shutoff valve, and the adjusting runner changes the amount of injected glue flowing into the branch runner from the main runner under the action of position change of the shutoff valve; the two forming cavities are innovatively designed in the same mold, and according to different products in the two forming cavities, the glue injection amount of the corresponding position is adjusted by changing the position of the shutoff valve, so that glue injection of the two forming cavities is uniform; and the first pitched roofs and the second pitched roofs of the two sliding block groups are matched and can be separated from the two forming cavities during mold opening, so that demolding of a product is facilitated.

The utility model belongs to the technical field of pharmaceutical preparation production equipment, especially is with metering feeder for choline bitartrate tablet preparation, including sealed storage unit, sealed gas control unit, anti -blocking unit and metering conveying unit, sealed storage unit includes sealed storage tank, sealed gas control unit includes gas injection port, suction port and pressure gauge, anti -blocking unit includes the electromagnetic vibrator and linkage stirring subassembly that are established, metering conveying unit includes the feed pipe and screw conveying mechanism, the top surface one end of feed pipe is equipped with the material inlet nozzle, bottom surface other end is equipped with the material outlet nozzle, is equipped with solenoid valve and microwave solid flowmeter on the material inlet nozzle, replaces manual weighing feeding, has improved production efficiency, adapts to scale production, adopts inert atmosphere closed loop control, avoids raw material oxidation, guarantees raw material active ingredient and drug quality, whole sealed conveying path, no dust flying, avoids the risk of professional exposure of operating personnel simultaneously.

The invention relates to the technical field of molds, and provides an injection mold for molding a remote controller shell, the injection mold comprises a fixed mold and a movable mold, the fixed mold is provided with a first cavity for molding a bottom shell and a second cavity for molding a surface shell; the movable mold is provided with two injection molding heads, the two injection molding heads correspond to the first cavity and the second cavity respectively, an injection molding opening is formed in the movable mold, two sub-runners are formed in the movable mold, and the injection molding opening communicates with the inlet ends of the two injection molding heads through the sub-runners; and a temperature control module is arranged on the movable mold. The injection mold for forming the remote controller shell can synchronously form a bottom shell and a face shell of a remote controller.

The utility model provides a pumped storage power station dam slope reinforcing device which comprises a slope plate, an anchor point piece is fixedly connected to one side of the slope plate, clamping grooves are formed in the two sides of the upper surface of the slope plate, clamping pieces matched with the clamping grooves are arranged on the two sides of the lower surface of the slope plate, and adjusting pieces are fixedly connected to the two sides of the bottom of the surface of one side of the slope plate. An adjusting part is movably connected with a connecting part in a clamped mode, an adjusting bolt is in threaded connection with the clamped connection position of the connecting part and the adjusting part, one end of the connecting part is fixedly connected with a sleeve, and an inner threaded groove is formed in one end of the sleeve. According to the slope plate fixing device, the slope plate can be more conveniently installed on a slope surface by a worker, meanwhile, the extension rod is fixed in the slope body through ejection and unfolding of the extension plate, then concrete slurry can be injected into the extension rod, the guide pipe and the slope body through the injection port, and therefore fixing of the slope plate is completed, and then loss of a soil layer of the slope body is effectively guaranteed.

To provide a shower device for a pet, capable of inactivating and removing bacteria and parasites attached to the body surface of the pet without requiring excessive cost.SOLUTION: The shower device for the pet is equipped with a plurality of metal pipes 120 as an air shower means for jetting air to the body surface of the pet 9 on the inner surface side of a box 10 for housing at least the body part of the pet 9, wherein the box 10 is equipped with a plurality of infrared lamps 400 as an ultraviolet irradiation means for irradiating the body surface of the housed pet 9 with ultraviolet rays. Bacteria and / or parasites present on the body surface are inactivated and / or removed by irradiating a part where the body hair of the pet 9 is pushed aside to expose the skin with ultraviolet rays by an ultraviolet irradiation means while injecting air from an injection port 1200 of a metal pipe 120.SELECTED DRAWING: Figure 1

The present application relates to the technical field of epoxy sleeve, and particularly relates to a stable pressure injection APG pouring process for an epoxy sleeve with a metal insert, which comprises the following steps: S1, epoxy paste is injected into an injection pipeline under pressure, the paste enters a mold cavity through an injection port, and the pressure of the epoxy paste under pressure is P1; S2, the paste temperature of the injection pipeline is monitored during the injection process, and the paste temperature is controlled to be T; S3, the paste pressure P2 at the front end of the injection port is monitored during the injection process, when P2 decreases, the pressure of the epoxy paste under pressure is controlled to be P1+Delta P, and the paste temperature is controlled to be T+Delta T; S4, the paste flow at the front end of the injection port is monitored during the injection process, and the injection amount in the cavity is controlled to be consistent; and S5, a mold heating system is used to heat the mold, the mold is opened after heating, and a product is obtained through secondary curing. The present application can solve the technical problems of the APG pouring process, such as injection pressure fluctuation of the injection port, improve product quality, and save production cost.

The present invention relates to an electrolyte injection device comprising: an electrolyte accommodation part for accommodating an electrolyte therein; a socket coupled to a lower end portion of the electrolyte accommodation part; an injection port located inside the socket to discharge the electrolyte; a needle pin for opening and closing the injection port of an injection part; and a main body for accommodating the electrolyte accommodation part and at least a portion of the socket, wherein the socket has a plurality of air holes formed therein.

This invention discloses a device and method for treating water leakage in tunnel track beds, relating to the field of tunnel maintenance technology. It includes an injection pipe, a plugging assembly, a flexible bladder, and a cap. The injection pipe is placed inside a borehole to pump water from the borehole to the outside or inject grout into the borehole. An injection port is located at the top of the injection pipe, and several injection holes are located on its sidewalls, connecting the inner and outer sides of the injection pipe. A one-way filter is installed inside each injection hole, which is fixed in place during water pumping and detached from the injection hole during grout injection. The flexible bladder is fixedly located at the bottom of the injection pipe, with its interior connected to the inner side of the injection pipe. The plugging assembly is used to seal the gap between the top of the outer side of the injection pipe and the inner side of the borehole. The cap is fixedly connected to the plugging assembly and seals the injection port. This invention effectively improves the treatment efficiency of tunnel track beds.

The utility model relates to a color band pipeline extruding machine head belongs to the extruding machine field, including extruding machine head body, the one end of extruding machine head body has extrusion passageway, the inside of extruding machine head body is opened with a plurality of material guiding passageways to corresponding extrusion passageway, and the one end of material guiding passageway towards extrusion passageway is connected with extrusion passageway and sets, the inside of extruding machine head body still rotatably sets up the mounting ring of circular ring shape, and the mounting ring surrounds extrusion passageway and sets up with extrusion passageway coaxial line, and the through hole is opened with corresponding material guiding passageway on the mounting ring, and the through hole and corresponding material guiding passageway intercommunication same and coaxial line set up, and the inside of extruding machine head body still opens the injection passageway to corresponding through hole, and the injection passageway is located the outside of mounting ring, and the injection passageway includes total branch and a plurality of branch sections connected with total branch through connecting passageway, and branch section and corresponding through hole intercommunication same and coaxial line set up, and the one end of total branch extends out extruding machine head body and forms injection port.

The utility model belongs to the technical field of medical instruments, and particularly relates to an extrusion preparation device for extruded vesicles, which comprises a shell, a first piston is hermetically and slidably connected to one end of the shell, and a second piston is hermetically and slidably connected to the other end of the shell; the filter assembly is detachably installed in the middle of the shell, the interior of the shell is divided into a sample injection cavity and a filter cavity by the filter assembly, the sample injection cavity is located between the filter assembly and the second piston, and the filter cavity is located between the filter assembly and the first piston; the sample injection port is formed in the shell and communicated with the sample injection cavity, and the sample injection port is used for adding a sample before filtration into the sample injection cavity; the sample outlet is formed in the shell and communicated with the filtering cavity, and the sample outlet is used for discharging the filtered sample in the filtering cavity; and the size of the filter component is matched with the sizes of the sample injection cavity and the filter cavity. The vesicle preparation device can improve the vesicle preparation efficiency and prevent samples from being polluted.

The utility model discloses a kind of pressurized core mould, it is related to pressurized core mould technical field, including top cover, the top cover top is fixedly connected with injection port, the bottom of top cover is provided with forming assembly, the bottom of forming assembly is provided with bottom mould.The pressurized core mould is to solve the problem that only single production workpiece can be produced in prior art mould, production efficiency is low and it is difficult to meet the batch manufacturing demand, the cavity structure of top mould and bottom mould cooperation is set in the present application, and cross feed groove is designed in top mould, after injection liquid is injected into injection port, it can be evenly distributed to multiple cavities from four directions along cross feed groove, the structure realizes the synchronous forming of multiple workpieces by single injection process, and the accurate positioning of fixed sleeve and limiting sleeve and spring buffer mechanism are matched, which not only guarantees the uniformity of multi-cavity injection molding and the stability of finished product quality, but also significantly improves production efficiency, effectively reduces single manufacturing cost.

This invention relates to the field of mold injection device technology, specifically a reusable anti-sticking injection port device, including an outer injection sleeve and an inner cylinder detachably installed inside the outer injection sleeve. A cap with a pressure regulating structure solves the problem of needing to replace the hose each time. Slurry is injected from bottom to top through the inner cylinder. The inner cylinder has a lower protrusion that provides greater buoyancy, which works in conjunction with a floating airbag to prevent the inner cylinder from failing to float due to gravity. This facilitates greater buoyancy, allowing the inner cylinder to float quickly as the slurry volume increases, preventing the slurry from washing away the release agent along the injection port, thus avoiding difficulties in demolding. Simultaneously, the pressure regulating structure allows excess slurry and gas to be discharged, preventing pipe bursts, mold sticking, and other problems. This device improves production efficiency and increases the yield of demolded products.