44results about How to "Will not leak" patented technology

A robot sweeper includes a main body, a pair of drive modules, and a cleaning module. The drive modules are respectively pivotally connected to the main body. The drive modules include a roller set and a drive device. The drive device is mechanically connected to the roller set and configured to drive the roller set to rotate about a first axis. The cleaning module is connected to the main body and at least partially located between the roller sets along the first axis.

The utility model relates to the technical field of frying pans, in particular to a frying pan. Comprising a pot body and a pot handle, a transverse piece extending out of the pot body is arranged on one side of an opening of the pot body, a vertical piece is welded to the bottom face of the transverse piece, one end of the vertical piece and the pot body are welded together, two first through holes are formed in the transverse piece and located in the two sides of the vertical piece respectively, a connector is arranged at one end of the pot handle, and the connector is connected with the vertical piece. A groove used for containing the vertical piece is formed in the connector, two first threaded holes are formed in the top face of the connector, and bolts penetrate through the first through holes and then are connected with the first threaded holes so that the pan handle and the pan body can be fixed together. According to the utility model, the problem of water leakage of the pot body is solved, and the problem that the rivet is difficult to clean when the pot is brushed is solved.

The utility model discloses a fire-fighting pipeline air tightness detection device, and relates to the technical field of pipe fitting air tightness detection, in particular to a fire-fighting pipeline air tightness detection device, which comprises a pipe fitting, a working table, a driving part, a clamping part and a detection part, and is characterized in that the pipe fitting is placed on the working table; the second gear is driven by the motor to rotate, the clamping plate and the plugging plate are driven to act at the same time, and rapid clamping and plugging of the pipe fitting are achieved. Compared with the prior art, the two ends of the pipeline do not need to be operated respectively, the operation steps are greatly simplified, and the detection efficiency is improved. Specifically, after the motor is started, the second gear drives the two clamping plates and the two plugging plates to be close to the pipe fitting at the same time through cooperation of the annular groove and the supporting column. The clamping plate firstly makes contact with the pipe fitting and clamps and limits the pipe fitting, then the plugging plate continues to move to plug the two ends of the pipe fitting, the whole process is completed at a time, repeated manual adjustment is not needed, and the detection speed and convenience are remarkably improved.

This utility model discloses a quick-installation device for a muffler transition pipe, relating to the field of muffler technology. It includes a muffler housing, a first clamp arm, and a second clamp arm. An exhaust tailpipe is fixedly connected to the top of the muffler housing, and a muffler transition pipe is fixedly connected to the bottom of the muffler housing. An exhaust pipe is located below the transition pipe. The first and second clamp arms are mounted on the transition pipe. This quick-installation device applies pressure to the transition pipe and the exhaust pipe, making the connection tighter. Simultaneously, the rubber ring undergoes elastic deformation under pressure, filling the gap at the connection and further enhancing the sealing effect, ensuring that gas does not leak from the connection. For disassembly, simply loosen the fastening nut in the reverse direction, pull the bolt out of the second connecting lug of the second clamp arm, and use the hinge's movable connection characteristic to open the first and second clamp arms. The operation is simple and quick, achieving rapid installation and disassembly.

The utility model relates to the technical field of water saving of faucets, and discloses a water-saving faucet shell which comprises an outer shell, a protection assembly is fixedly connected to the outer side of the outer shell, a water stop assembly is arranged in the outer shell, and a flow guide assembly is fixedly connected to one end of the outer shell. According to the water-saving faucet shell, through the arrangement of the water stop assembly and the flow guide assembly, when the water-saving faucet shell is used, water flow impacts a connecting plate, so that an extrusion spring is in a compressed state, a water stop plug moves, the water flow enters a mounting box, and a flow guide plate in the mounting box combs and guides the water flow, so that water outlet is more uniform and gentle; when the faucet is closed, the spring is extruded to drive the connecting plate and the water stop plug to reset, and the water stop plug is tightly attached to a water flowing pipeline, so that the water flow is completely blocked, it is ensured that the faucet does not drip water or leak water, and water resource waste caused by water leakage and water dripping is reduced.

The utility model discloses a novel universal shaft assembly, including bottom plate, be provided with fixed subassembly on the bottom plate, the fixed subassembly includes mounting seat, fixed base, bolt, first axle body and second axle body, the mounting seat fixed mounting is at the both ends of bottom plate's top, the fixed base can be detached and installed on the mounting seat, the bolt can be detached and installed between fixed base and mounting seat, first axle body and second axle body are placed on the mounting seat respectively, be provided with disassembly subassembly on the fixed base, the disassembly subassembly includes oil injection pipe, connecting pipe and resist the pole, oil injection pipe fixed mounting is on the fixed base, connecting pipe fixed mounting is on the oil injection pipe, resist the pole sliding connection on the connecting pipe, to solve the background art mentioned in the installation fixed time of current universal shaft, although the traditional method can ensure the firmness of universal shaft, when universal shaft needs to maintain or replace, the more complicated technical problem.

The utility model discloses an oil injection control mechanism of a sealed pressure oil storage tank, relates to the technical field of production and manufacturing, and solves the problems of high failure rate and high maintenance cost of an original oil injection mechanism. The oiling device comprises an oil drum, a diaphragm pump, a sealed pressure oil storage tank, an electromagnetic valve I, an oiling roller, a pressure switch, a compressed air source and an electromagnetic valve II, wherein the oil drum, the diaphragm pump and the sealed pressure oil storage tank are sequentially communicated; the compressed air source is respectively communicated with the electromagnetic valve I, the pressure switch and the electromagnetic valve II; the electromagnetic valve II is communicated with the diaphragm pump; the pressure switch is communicated with an air inlet of the sealed pressure oil storage tank; and a liquid outlet of the sealed pressure oil storage tank, the electromagnetic valve I and the oiling roller are sequentially communicated. Compressed air is introduced into the sealed pressure oil storage tank to drive the sealed pressure oil storage tank to discharge oil outwards, and it is guaranteed that oil coating is stable when equipment runs; due to the sealing performance of the sealed pressure oil storage tank, oil volatilization and external impurity invasion are effectively prevented, and the quality and safety of the oil are guaranteed.

A portable automobile air conditioner refrigerant adding device comprises a filling head, a connecting hose, a pressure gauge and an adaptive connector. The filling head is connected with a refrigerant outlet for filling refrigerants in a sealed mode, and the filling head comprises an automatic pressing reset type sealing valve and a bevel pipe connected with a valve element of the automatic pressing reset type sealing valve. The bevel pipe is connected with the connecting hose in an inserted mode, and the connecting hose comprises a first connecting hose body and a second connecting hose body. The filling head is connected with the pressure gauge through the first connecting hose, the pressure gauge is connected with the adaptive connector through the second connecting hose, and the adaptive connector is connected with a low-pressure port of the automobile air conditioner, so that filling operation and connecting operation can be conveniently realized, the sealing performance is good, and filling of refrigerant of the automobile air conditioner can be accurately controlled; and meanwhile, a leakage detection function is also realized.

The utility model discloses a kind of steam ironing device through air suction auxiliary ironing, belong to clothes ironing technology, steam leaks to motor, erodes motor when the air suction device of existing ironing device air suction, the air suction device of the utility model includes motor and wind wheel, wind wheel is located in airflow cavity, motor is located outside airflow cavity, airflow cavity is connected suction port and exhaust port, motor is driven wind wheel by magnetic force transmission, instead of wind wheel is installed to motor shaft and is driven wind wheel by motor shaft, motor shaft does not need to pass through the wall of airflow cavity, completely eliminates leakage position, steam cannot leak to motor, erodes motor when air suction device air suction, motor long service life.

The utility model relates to agricultural drip irrigation technical field especially relates to a water and fertilizer integration drip irrigation anti -blocking hair pipe, including two groups of hair pipe that connect each other, the opposite side of two groups of hair pipe is provided with first connecting plate and second connecting plate respectively, first connecting plate surface sets up multiple sets of sliding slot, and the surface fixed setting of second connecting plate multiple sets of connecting nail, and connecting nail corresponds with sliding slot respectively, and the one end away from second connecting plate of connecting nail is provided with the nail cap, and the both ends of sliding slot are provided with through -hole respectively, the utility model discloses the sliding slot of first connecting plate surface sets up and is connected with the connecting nail and its nail cap of second connecting plate surface setting, and the close combination of cooperation sealing washer and groove body effectively prevent the impurity into the hair pipe inside, and the frame body and filter screen of hair pipe other end form multistage filtration system, and effectively intercept the impurity in water source, and first connecting plate and second connecting plate realize firm connection through the cooperation of sliding slot and connecting nail, and the further enhanced connection reliability of second bolt use.

The present application relates to sanitary napkin technical field, and disclose a kind of leakage-proof breathable sanitary napkin, including non-woven fabric The upper surface of the non-woven fabric is bonded with melt-blown fabric, the upper surface of the melt-blown fabric is fixedly connected with dust-free paper cladding, the upper surface of the dust-free paper cladding is bonded with high molecular resin water-absorbing paper, the upper surface of the high molecular resin water-absorbing paper is bonded with bacteriostatic function chip, the upper surface of the high molecular resin water-absorbing paper is bonded with pure cotton surface layer, the pure cotton surface layer is provided with mesh, the outer ring of the non-woven fabric is provided with non-woven fabric side leakage prevention barrier edge.The leakage-proof breathable sanitary napkin, after the ventilation of sanitary napkin, the comfort of female friends wearing sanitary napkin during menstrual period is greatly improved, because the ventilation effect is good, the sanitary napkin can always keep dry, and the breeding and fission of bacteria can be inhibited, after the ventilation of sanitary napkin, the inside of sanitary napkin always keeps dry and fresh, so the breeding and fission environment changes greatly, so the odds of breeding and fission will also be greatly reduced.

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

The application discloses a permeation flow meter for determining the exchange amount of coastal groundwater-surface water, and relates to the technical field of measuring instruments.The permeation flow meter comprises a permeation chamber, a water tank joint, an elbow, a hose, a pipe sleeve, a ball valve and a water storage bag.The permeation chamber is composed of a barrel, the barrel top is provided with the water tank joint, the water tank joint is connected with the hose through the elbow, the hose is movably connected with the ball valve, and the ball valve is sealingly connected with the water storage bag through the pipe sleeve.The water storage bag forms an independent sealing unit when the ball valve is closed, and the water storage bag is in communication with the inside of the barrel when the ball valve is opened.The barrel bottom is inserted into the water bottom sediment to form a sealing contact.The present application reduces the water head loss through a large-diameter connecting piece, reduces the deformation resistance by using a thin-walled water storage bag, adapts to the tidal environment by using a flexible hose, and determines the optimal waiting time and the optimal correction coefficient through indoor sand tank simulation experiments, thereby significantly improving the measurement accuracy and the reliability of field work.

The invention discloses a touch screen voice wake-up system based on voiceprint recognition, which relates to the technical field of voice data processing and comprises an intelligent control terminal used for controlling data transmission and information interaction among modules. According to the method, various calculations are carried out on the wake-up voice data input by the user in advance, the sound channel shape, the acoustic structure feature and the feature vector independently belonging to the wake-up voice data of the user are determined, after the touch screen collects the surrounding voice data subsequently, feature emphasis is carried out on the first to-be-analyzed voice data so as to improve the feature intensity, and finally, the first to-be-analyzed voice data is analyzed. And verifying the sound channel shape, the acoustic structure feature and the feature vector of the to-be-verified voice through the sound channel shape, the acoustic structure feature and the feature vector of the wake-up voice data, determining whether the first to-be-analyzed voice data is sent by a user recording the wake-up voice data, if so, waking up the touch screen, and if not, not waking up the touch screen. And the privacy of the user is prevented from being leaked.

The residue outlet of the juicer comprises a residue guide groove, and the residue guide groove is opposite to a residue outlet in a juicer body. Flip covers matched with each other are arranged at the top of the slag guide groove, and the two sides of each flip cover extend downwards to be matched with the top ends of the side walls of the slag guide groove; a silica gel plug is fixed to the rear end of the bottom of the turning cover, and the bottom of the silica gel plug abuts against the inner side of the bottom wall of the slag guide groove. And lock catches are arranged at the lower ends of the outer sides of the two side walls of the slag guide groove. According to the residue outlet of the juicer, the turning cover is arranged above the residue guide groove, the detachable silica gel plug is arranged on the inner side of the turning cover, the bottom of the silica gel plug abuts against the inner side of the bottom wall of the residue guide groove, the turning cover and the residue guide groove are fixed in a matched mode through the lock catch, and the silica gel plug is tightly attached to the bottom wall of the residue guide groove. When the fruit residues need to be discharged, only the lock catch needs to be unlocked, and the turning cover is turned over upwards, so that the fruit residues can be smoothly discharged from the fruit residue guide groove; the silica gel plug is detachably fixed on the inner side of the turning cover, so that cleaning after use is facilitated.

The utility model discloses an easy-to-break cover film indentation heating forming device, including pavilion, cover film bearing roll, cover film indentation mechanism, cover film traction mechanism, on the pavilion, and between cover film indentation mechanism and cover film traction mechanism place is equipped with adjacent cover film heating mechanism, cover film forming mechanism in proper order, the cover film heating mechanism includes upper and lower heating power source and upper and lower heating plate, and the cover film forming mechanism includes forming upper die, forming lower die, forming power source and cooling plate. The utility model can carry out the double processing of indentation and stiffener forming to the bottom of the cover film for packaging, make it can keep sealed and will not leak, and also facilitate the easy-to-break state when using subsequently, be favorable to the mixing of the material that packs, effective use, has improved the blister pack quality of material.

The invention discloses a garbage collecting device and a scrubber, and belongs to the technical field of intelligent cleaning equipment, and the garbage collecting device comprises a machine body, a collecting assembly and a driving assembly. Wherein the collecting assembly comprises a first cleaning part and a rear brush body, the first cleaning part and the rear brush body jointly define a containing space, and garbage can be contained in the containing space; the driving assembly is connected with the first cleaning part, the driving assembly can drive the first cleaning part to ascend or descend, when the first cleaning part ascends, the front end of the containing space is opened, and garbage can enter the containing space; and when the first cleaning part falls, the accommodating space is closed, and the garbage cannot flow out. The scrubber comprises a main body and the garbage collecting device. Large-size solid floating garbage can be effectively treated, and the cleaning efficiency is improved.

The utility model discloses a supercritical drying kettle with a laminate binding structure, which comprises a kettle body, an inner barrel and a plurality of laminates, the at least two layers of plate binding layers are sequentially arranged on the outer side wall of the inner cylinder in a wrapping manner; a kettle cover; a bottom head; the heating and cooling assembly comprises a jacket; the double-helix channels are spirally arranged in the jacket in parallel from one end of the kettle body to the other end of the kettle body, the upper ends of the double-helix channels are communicated with each other, and the lower ends of the double-helix channels are not communicated with each other; a heating box; a cooling box; and the thermal insulation layer is arranged on the periphery of the jacket. The utility model further aims to provide the supercritical drying kettle with the laminated plate binding structure, the kettle body adopts the laminated plate binding structure with at least two laminated plate binding layers arranged outside the inner barrel, so that the kettle body has good corrosion resistance and pressure bearing capacity, and the service life of the kettle body can be effectively prolonged; in the heating and cooling assembly, the jacket is independently arranged on the outer side wall of the kettle body, and heating oil in the jacket cannot leak, so that the production safety is effectively ensured.

The utility model relates to the technical field of discharging devices, in particular to a self-discharging device for injection molding of a tool box, which comprises an upper die holder, a lower die holder and a connecting pipe, and a feeding pipe is arranged on the inner side of the upper die holder; the sealing device further comprises a control assembly, the guide rod can be relatively limited through the movable groove, so that the guide rod is forced to stir the rotating disc to rotate, the stirring groove formed in the top face of the rotating disc can stir the first stirring rod, and the first stirring rod can drive the sealing block to move together when sliding; a shifting rod II at the top end of the sealing block does not slide when sliding to the tail end of a limiting groove, and the shifting groove continuously shifts to enable the shifting rod II to be subjected to collision force to force the sealing block to rotate to a certain degree, so that the six groups of sealing blocks arranged in a circumferential array are unfolded; therefore, molten plastic can enter a cavity formed after the upper mold base and the lower mold base are assembled through the injection molding head and the feeding pipe, injection molding work is completed, automatic discharging can be achieved during connection, and convenience and rapidness are achieved.

This utility model discloses an anti-clogging dust sampler sampling rod device, belonging to the technical field of sampling equipment. It includes a dust sampler, a connecting pipe, a first mounting plate, a second mounting plate, and a chamber. One end of the dust sampler is fixedly connected to the first side of the first mounting plate. A threaded sleeve is fixedly installed on the second side of the first mounting plate, with the first and second sides of the first mounting plate facing each other. Both ends of the connecting pipe are fixedly connected to the third side of the second mounting plate and one end of the chamber, respectively. A threaded rod is movably installed on the fourth side of the second mounting plate, with the third and fourth sides of the second mounting plate facing each other. The threaded rod and the threaded sleeve are threadedly engaged. A rotatable toothed ring is installed on the surface of the connecting pipe, and a rotatable gear is installed on the third side of the second mounting plate. The gear meshes with the toothed ring, and the gear is fixedly connected to the threaded rod via a connecting rod, so that the rotation of the toothed ring drives the threaded rod to rotate synchronously through the gear. This structure balances assembly / disassembly speed with secure connection, meeting the requirements for continuous environmental monitoring.

The utility model belongs to the technical field of tooth slit cleaning equipment, in particular to a tooth slit cleaning device for orthodontics, which comprises a spray gun, a flushing pipe and a mounting head, the flushing pipe and the mounting head are respectively mounted at two ends of the spray gun, a butt joint is inserted into the inner wall of the mounting head, and the end of the butt joint is connected with a water guide hose in a penetrating manner. A limiting mechanism is connected between the mounting head and the butt joint; the limiting mechanism comprises a fixing ring piece fixedly installed on the periphery of the butt joint and a rectangular groove formed in the periphery of the installation head, a strip-shaped placement groove is formed in the inner side wall of the rectangular groove, and a movable sleeve block is connected to the inner wall of the strip-shaped placement groove in a sliding mode. According to the device, the butt joint is stably mounted in the mounting head; the limiting lapping plate is tightly attached to the surface of the fixing ring piece and slides along with movement of the fixing ring piece, the moving range of the butt joint is effectively limited, and it is guaranteed that the butt joint cannot be loosened or disengaged in the working process.

The utility model belongs to the field of cake decoration, particularly relates to an extruder on a cake decoration 3D printer, and aims to solve the problems that in the existing cake decoration process, the interior of a placing pipe is inconvenient to clean after cream in the placing pipe is used up, the cream is not convenient to replace, the process is relatively inconvenient, the complexity is increased, and the production cost is reduced. According to the technical scheme, the device comprises a base, the top of the base is provided with an installation frame and a containing cylinder, and the containing cylinder is fixedly installed at the bottom of the installation frame through a plurality of bolts. When the device is used, cream can be squeezed out from the bottom of the placing barrel so as to meet the requirements of different mounting patterns, the interior of the placing barrel can be conveniently cleaned or the cream can be conveniently replaced, the placing barrel can be easily disassembled when necessary, the process is convenient and fast, the operation efficiency and applicability are improved, and the device is suitable for popularization and application. And meanwhile, the mounting frame and the placement barrel can conveniently move according to a preset track, so that the decoration 3D printing effect is conveniently achieved.

The utility model relates to the technical field of flood prevention devices, in particular to a filling type reservoir flood prevention bag which is more convenient to fill, higher in stability during carrying and capable of effectively preventing a binding rope from falling off and comprises a bag body, a storage belt is arranged at a bag opening of the bag body, a first storage cavity is formed in the storage belt, and a second storage cavity is formed in the storage belt. The first storage cavity is filled with first filler capable of expanding when encountering water, the first filler can open a bag opening of the bag body after expanding when encountering water, the hand stress area at the bag opening is increased, a binding rope for binding the bag body is prevented from falling off, a connecting belt is arranged on the bag body, and the connecting belt and the bag body form a closed-loop structure. A second storage cavity is formed in the connecting belt, the second storage cavity is filled with second filler capable of expanding when encountering water, the second filler can open the connecting belt after expanding when encountering water, the connecting belt is made of a flexible and water-permeable material, and the storage belt is made of a flexible and water-permeable material.

The utility model provides an alcohol corrosion resistant fuel pipeline connecting structure, which belongs to the technical field of pipelines and comprises a fixed part arranged at one end of a pipeline, and a movable part corresponding to the fixed part is arranged at the other end of the pipeline; the fixing part comprises a fixing pipe arranged at one end of the pipeline, a containing groove is formed in the fixing pipe, threads are further arranged on the outer side of the fixing pipe, a rotating ring is further arranged on the outer side of the fixing pipe through a bearing, a plurality of lead screws are hinged to the rotating ring, and nuts are arranged on the lead screws. The movable part comprises a positioning ring arranged at the other end of the pipeline, a movable ring is further slidably arranged on the pipeline corresponding to the positioning ring, a threaded hole is formed in the movable ring corresponding to the thread on the outer side of the fixed pipe, a plurality of positioning blocks are further arranged on the outer side of the movable ring corresponding to the lead screw, and receding grooves are formed in the positioning blocks corresponding to the lead screw; the end parts of the two pipelines can be quickly connected together, and the connecting strength of the two pipelines can be ensured.

The utility model relates to a spray header lifting device and semiconductor equipment, and the spray header lifting device comprises a first aluminum pipe which is provided with an axial through first gas channel; one end of the second aluminum pipe sleeves the first aluminum pipe, and the other end of the second aluminum pipe is connected with the spray header; the second aluminum pipe is provided with a second gas channel which is axially through and is communicated with the first gas channel; the first sealing piece is arranged between the outer wall of the first aluminum pipe and the inner wall of the second aluminum pipe, so that the first gas channel and the second gas channel form a sealed channel; the telescopic auxiliary device comprises a stainless steel corrugated pipe arranged on the first aluminum pipe in a sleeving mode. One end of the stainless steel corrugated pipe is in sealed connection with the first aluminum pipe, and the other end is in sealed connection with the second aluminum pipe so as to adapt to axial relative displacement of the first aluminum pipe and the second aluminum pipe. The semiconductor equipment comprises a semiconductor chamber, a spray header, a supply device and the spray header lifting device. According to the utility model, pipeline sliding and pipeline sealing can be realized.

The utility model relates to the technical field of air tightness detectors, and discloses an oil-water separation mechanism which comprises an oil-water separator connected to an air tightness detector body, the air tightness detector further comprises the oil-water separation mechanism. The annular plate is mounted on the outer side of the drain pipe at the bottom of the water cup, the top plate can be stably pushed to ascend after gas is injected through a clamping mechanism between the top plate and the annular plate, liquid in the water cup is guaranteed not to leak, the top plate falls back to drive the drain pipe to be pulled down after gas supply is cut off, and therefore the drainage function is achieved. By means of the design, when the air tightness detector body does not work, the drainage pipe is automatically opened to drain water. Through the automatic opening and closing mechanism, the problem that a large amount of sewage is accumulated in the water cup due to the fact that water drainage operation is forgotten to be executed is effectively avoided, equipment is kept clean, and the service life is prolonged.

This utility model relates to the technical field of salt spray test chambers, specifically a salt spray test chamber comprising a salt spray chamber body and a salt spray chamber lid, and a salt spray inner liner. The salt spray inner liner is fixedly mounted on the salt spray chamber body, and the salt spray chamber lid is rotatably mounted on the salt spray inner liner and covers the top of the salt spray inner liner. A support assembly for supporting the workpiece is fixedly mounted inside the salt spray inner liner, and a heating assembly is fixedly mounted inside the salt spray chamber body, with the heating assembly in contact with the salt spray inner liner. This utility model's salt spray test chamber is easy to assemble and disassemble. When conducting corrosion resistance tests on workpieces, the salt spray chamber lid and the salt spray inner liner fit tightly together, preventing water vapor and salt spray from leaking between the lid and the inner liner.

This utility model provides an overcurrent shut-off gas valve, belonging to the field of valve technology. It solves the problem of low gas flow rate caused by the need for overcurrent shut-off functionality. It includes a valve body and an overcurrent shut-off assembly disposed within the inlet end of the valve body. The overcurrent shut-off assembly includes a connecting seat, a shut-off core, and a spring. The shut-off core includes a rod and a sealing part. The connecting seat is a cylindrical shape with open ends and a straight inner bore. A guide post is provided inside the connecting seat, and several connecting rods are integrally fixed between the guide post and the connecting seat. The sealing part is connected to the rear end of the rod, and the front end of the rod passes through the guide post. The spring is sleeved on the guide post, with both ends abutting against the connecting rod and the sealing part, respectively. The sealing part is located outside the rear end of the connecting seat, and an installation groove is provided on its outer periphery. A sealing gasket is provided in the installation groove, extending out of the installation groove. The outer diameter of the sealing gasket is larger than the inner diameter of the connecting seat. It has the advantages of providing both overcurrent shut-off functionality and high gas flow rate.

This utility model discloses a high-efficiency injection mold based on multi-cavity synchronous injection molding, relating to the field of injection molds. It includes a support and stabilizing plate, with a docking stabilizing frame mounted on its upper surface. The docking stabilizing frame contains a meshing transmission mechanism for retracting a spring-driven rod, and the meshing transmission mechanism includes a linear motor. In this high-efficiency injection mold based on multi-cavity synchronous injection molding, when the first pair of molds docks with the second pair, a fixed-extension rack, through a rotating connecting gear and a traction sliding rack, pulls the rear reinforcing plate inward until the spring-driven rod abuts against the back of the second pair of molds and retracts accordingly within the hollow rod. This design improves the tightness of the mold docking, reduces wear between molds after prolonged processing, prevents material leakage at the docking point, and improves the production efficiency of the finished product.

The utility model discloses a super low temperature soft seal ball valve, including the valve body, the one side of valve body is provided with the valve cover, the other side threaded connection of valve cover has flange no.