53results about How to "Fast injection" patented technology

The utility model relates to a large typhoon-resistant deep sea aquaculture net cage which comprises a net cage floating body structure located under the water surface, and the net cage floating body structure is provided with at least one annular submerging and floating pipe. The upper-layer low-resistance net hanging structure is located above the net cage floating body structure, the upper-layer low-resistance net hanging structure is provided with a plurality of vertical rods which are integrally and annularly distributed at intervals, each vertical rod is provided with an upper end and a lower end, and the lower ends of the vertical rods are connected to the net cage floating body structure; the netting is integrally arranged in an internal space formed by the upper-layer net hanging structure and the net cage floating body structure, and the upper part of the netting is connected to the upper ends of the vertical rods of the upper-layer net hanging structure. According to the net cage floating body structure, at least one submerging and floating pipe forms a bearing structure to serve as a main body structure, the main body structure has the net cage submerging and floating functions at the same time, the main body structure is located at the bottom of the periphery of the net cage, and a plurality of vertical rods with enough strength are upwards used for hanging nettings. The impact pressure of stormy waves on the whole net cage is reduced, and seawater inside and outside the net cage efficiently exchanges.

The present invention relates to a method for detecting the content of sodium octanoate in albumin-bound paclitaxel injection, and belongs to the technical field of quality control of albumin-bound paclitaxel injection. The present invention provides a method for detecting the content of sodium octanoate in albumin-bound paclitaxel injection, using high performance liquid chromatography, a chromatographic column with octadecylsilane bonded silica gel as a filler, and a mobile phase consisting of phase A and phase B, wherein mobile phase A is a mixed solution of phosphate buffer solution and acetonitrile, mobile phase B is acetonitrile, and mobile phases A and B are mixed in a certain proportion for gradient elution. The detection method provided by the present invention can quickly and accurately detect the content of sodium octanoate in albumin-bound paclitaxel injection, so as to determine whether the content of sodium octanoate in the imitation preparation is consistent with that of the reference preparation, and whether it meets the requirements of bioequivalence, and has practical promotion and application value.

The invention provides a safe medicine injection device for children, and relates to the technical field of medical instruments. The handheld frame is of a U-shaped structure, and the handle base is fixedly installed on the upper portion of the middle of the side wall of the outer end of the handheld frame. A control box is fixedly installed on the handheld frame above the handle base, and a storage battery is embedded in an inner cavity of the handle base. The injection sleeve seat is ingeniously combined with the skin attaching plate, so that stable support is provided for the injection tube, and it is ensured that the device can be tightly attached to the skin of the child during use. The arc-shaped design is adopted for the skin attaching plate, the arc-shaped design is matched with the shape of the arm, the gap between the device and the skin is effectively reduced, and the accuracy and safety of injection are improved. Meanwhile, the injection tube is vertically inserted into a combined structure of the sleeve and the guide jacket, so that the stability of the injection tube is enhanced, the push plate is elastically supported through the arrangement of a lower limiting disc, an upper limiting disc, a buffer rod and a spring, and the stability and comfort in the injection process are further improved.

The invention discloses an all-quartz multi-component Raman signal online detection module based on multi-laser additive and subtractive manufacturing. The all-quartz multi-component Raman signal online detection module comprises a node-free negative curvature hollow-core optical fiber with side micropores, a multimode optical fiber, a single-mode optical fiber plated with a ceramic film, a semicircular micro-channel, a quartz slurry packaging layer and a quartz fixing base, a micro-scale micropore is processed on the side surface of a node-free negative-curvature hollow fiber by utilizing picosecond laser, a multimode fiber, the node-free negative-curvature hollow fiber with the side micropore and a single-mode fiber are welded into a whole, the single-mode fiber is ground into a slice by utilizing an optical fiber grinding technology, and a ceramic membrane is deposited on the end surface of the slice single-mode fiber. Picosecond laser is used for scanning the quartz fixing base layer by layer so as to process a semicircular micro-channel for placing the sensor, and CO2 laser is used for scanning, depositing and curing the quartz slurry packaging layer layer by layer so as to package the sensor. According to the invention, the to-be-detected substance is injected into the all-quartz sensor, so that on-line detection of multi-component Raman signals can be realized in high electromagnetic interference environments such as electric power and the like.

The invention discloses an automatic combination and release mechanism for a needle cylinder and a piston, and relates to the technical field of medical instruments. The contrast agent injector is applied to contrast agent injection and comprises a base and a needle cylinder, the inner diameter of the needle cylinder is larger than that of the base, and the base and the needle cylinder are coaxially arranged and detachably connected; a push rod is coaxially arranged in the base, a connector is mounted at the end, facing the needle cylinder, of the push rod, a mounting seat is mounted at one end of the connector, the mounting seat and the push rod are coaxially arranged, and a fixing rod is fixedly connected to the center of the mounting seat. The characteristic that a piston and a push rod in a traditional push rod piston mechanism are difficult to separate is changed, automatic and rapid combination and separation of the push rod and the piston can be achieved, and when the mechanism is applied to an intelligent high-pressure injection system, medical staff can conveniently and rapidly replace a needle cylinder, so that a contrast agent is rapidly supplemented and injected, the injection time is shortened, and the working efficiency is improved.

The invention discloses a balloon dilatation catheter for intracranial arteries, comprising a catheter outer tube, a catheter inner tube, a dilatation balloon, a Tip head and a catheter seat, wherein a circulation cavity is provided inside the catheter inner tube at a position corresponding to the dilatation balloon, a liquid inlet connected to the end of the circulation cavity is provided on the outer wall of the Tip head and the catheter inner tube at the connection point, a drainage pipe is fixedly inserted and connected to the outer wall of the catheter inner tube at the outer wall of the dilatation balloon, the inner cavity of the drainage pipe is connected to the circulation cavity, and the outer wall of the drainage pipe is fixedly inserted and connected to the outer wall of the catheter outer tube. The invention provides a liquid inlet between the catheter inner tube and the Tip head, a drainage pipe is provided between the catheter outer tube and the catheter inner tube, and the circulation cavity provided in the catheter inner tube is used to connect the liquid inlet and the drainage pipe, so that the blood in the blood vessel can circulate along the liquid inlet, the circulation cavity and the drainage pipe, and blockage of the blood in the blood vessel is avoided, thereby reducing the risk of using the balloon dilatation catheter.

The utility model relates to the technical field of chemical reaction kettles, in particular to a feeding device of a chemical reaction kettle. The device comprises a base, a stirring assembly and a feeding assembly are fixedly installed on the base, the stirring assembly and the feeding assembly are far away from each other, a shell is arranged on the stirring assembly, three first supporting legs are fixedly installed on the bottom side of the shell, and a funnel is arranged on the feeding assembly; and a plurality of second supporting legs are fixedly mounted on the inclined surface of the funnel. According to the feeding device, materials can be rapidly injected into the shell and impurities in the materials can be filtered through the feeding assembly, the materials can be rapidly injected into the shell through the funnel and the water pump, and therefore the rapid feeding effect can be achieved; and the filter screen in the funnel is used for filtering the materials, so that impurities in the materials can be filtered out, and the working efficiency can be improved.

The invention relates to the field of automobile parts, and discloses an instrument panel cross beam machining method and an instrument panel cross beam. The instrument panel cross beam machining method adopts an injection molding mode to machine an instrument panel cross beam, and in the injection molding process of the instrument panel cross beam, injection molding is carried out by adopting injection molding parameters of a first injection speed and a first screw rotating speed in a first time period; in the second time period, injection molding parameters of the second injection speed and the second screw rotating speed are adopted for injection molding; wherein the first injection speed is greater than the second injection speed, and the first screw rotation speed is greater than or equal to the second screw rotation speed. Therefore, the distribution of the glass fibers can be optimized only by adjusting the injection molding parameters of the first time period and the second time period, so that the mechanical property of the instrument panel cross beam is improved, and compared with the mode that the content of defects and impurities needs to be accurately controlled in the related technology, the production cost and the production difficulty can be reduced.

The application belongs to the technical field of medical devices, and particularly relates to an injection mechanism for emergency treatment, which comprises a syringe and an open-box body, the syringe comprises a barrel, a needle plug and a needle, the needle plug is arranged in the barrel, the needle is installed on the barrel, a first clamping mechanism for limiting the relative movement of the needle plug relative to the barrel is installed on the barrel, the free end of the first clamping mechanism is clamped on the needle plug, a sliding seat is slidably installed in the open-box body, an installation groove is formed in the sliding seat, the barrel of the syringe is inserted into the installation groove, a first compression spring is installed below the sliding seat in the open-box body, a second clamping mechanism is installed on the open-box body, the free end of the second clamping mechanism is clamped on the sliding seat, a cover is further installed on the open-box body, and the cover is in transmission connection with the second clamping mechanism. The purpose is to solve the problem of low efficiency caused by the structural defects of the existing injection mechanism.

The utility model discloses a movable sterilizer capable of freely adjusting angle, which relates to the technical field of movable sterilizers, and comprises rollers and an armrest frame, a base is mounted at the top of the rollers, a fixing frame is mounted at the top of the base, a pipeline is connected to one side of the fixing frame in a penetrating manner, a water pump is connected to one side of the pipeline, and a water pump is connected to the other side of the pipeline. The side, away from the pipeline, of the water pump is connected with a pesticide mixing box. When the movable disinfection machine capable of freely adjusting the angle is used, a convex block can be extruded according to requirements, so that the convex block extrudes a telescopic block into a connecting block, and an ejector rod can be pushed to move through the connecting block without being blocked by the telescopic block, so that the ejector rod extrudes a clamping block, and the clamping block rotates after being extruded; at the moment, the gear is not limited by the clamping block, so that the gear can normally rotate, the top atomizing nozzle can be driven to rotate, a user can conveniently and quickly adjust the angle of the atomizing nozzle, and the atomizing nozzle does not need to be held by hand for adjustment.

The utility model belongs to the technical field of auxiliary treatment of dysphagia, and particularly relates to a swallowing balloon dilator, a dilation balloon of the swallowing balloon dilator and a dilation control assembly of the swallowing balloon dilator. The swallowing balloon dilator comprises any dilation control assembly in the disclosure and / or any dilation balloon in the disclosure. The dilatation balloon can better adapt to the shape of a pharyngeal cavity, stimulation can be more effectively conducted, the dilatation control assembly can rapidly inject fluid into the dilatation balloon, and when the extrusion balloon is not extruded, the fluid can be rapidly injected into the dilatation balloon. Fluid in the dilatation balloon can slowly flow back to the extrusion balloon through the liquid return channel so as to maintain dilatation and extrusion of the dilatation balloon within a certain time; and the expansion balloon can be stably and slowly shrunk after bulging, and the extrusion and leaving states when food passes through the expansion balloon can also be simulated.

The invention provides a zero-sample pseudo-abnormal image synthesis method and device based on cross-domain abnormal injection, and the method comprises the following steps: collecting a real abnormal image, and constructing a real cross-domain abnormal data set; any abnormal image in the real cross-domain abnormal data set is selected as a source image, a binary mask of the source image is obtained, and the binary mask of the source image represents an area of an abnormal block in the source image; obtaining a target image based on a given target domain normal image set, and extracting a binary mask of the target image to represent a foreground; and scaling the abnormal block of the source image based on the binary masks of the source image and the target image, injecting the scaled abnormal block into a specified position in the target image, and synthesizing a pseudo abnormal image. According to the invention, the scaled abnormal block can be naturally and quickly injected into the target image of the target domain to synthesize a vivid pseudo abnormal image; and a large number of vivid pseudo-abnormal images can be generated without long-time training.

The utility model provides an assembly type high-pressure cleaning machine which comprises an installation frame, a water bucket is arranged on the top of the installation frame, a booster pump is arranged on the right side of the water bucket, and the bottom of the booster pump is fixedly connected with the top of the installation frame. The bottom of the water bucket fixedly communicates with a first connecting pipe, the other side of the first connecting pipe fixedly communicates with the input end of a booster pump, the output end of the booster pump fixedly communicates with a water conveying pipe, the side, away from the booster pump, of the water conveying pipe fixedly communicates with a three-way pipe, and the interior of the three-way pipe is rotationally connected with a hollow column. The bottom of the hollow column communicates with the interior of the conveying pipe through a three-way pipe. By arranging the mounting frame, the water bucket, the booster pump, the first connecting pipe, the water conveying pipe, the three-way pipe, the hollow column, the winding disc, the hose, the rotating frame, the anti-rotating structure and the spraying structure, the problems that an existing high-pressure cleaning machine cannot adapt to multi-scene application and is poor in stability are solved.

The present invention relates to the technical field of battery manufacturing, and in particular to an integrated device for injecting and packaging semi-solid battery electrolytes, comprising a loading track for transporting a battery reactor, wherein the battery reactor is slidably matched with the loading track, and frames are fixedly connected at both ends of the loading track for driving the battery reactor to slide on the loading track; before injecting slurry electrolyte into the battery reactor, the present invention maintains a negative pressure inside the battery reactor through an exhaust pipe, and under the action of the pressure difference, an injection pipe is ordered to start injection from the bottom of the battery reactor, which not only enables the slurry electrolyte to be quickly injected into the battery reactor, but also effectively reduces the problems of wall hanging, bubbles, etc. of the slurry electrolyte.

The utility model discloses a vacuum fresh-keeping honey storage tank, which belongs to the technical field of honey storage tanks and comprises a tank body, an inner cavity for storing honey is arranged in the tank body, a feeding groove is arranged at the top of the tank body and is in an inverted cone shape, and a through hole communicated with the inner cavity is arranged at the bottom of the feeding groove. The cavity bottom of the inner cavity is communicated with a discharging pipe, and a sealing switch is arranged on the discharging pipe. An exhaust pipe is fixed to one side of the tank body and can vacuumize the inner cavity. According to the vacuum fresh-keeping honey storage tank provided by the utility model, honey can be quickly injected into the inner cavity through the matched use of the feeding groove and the feeding pipe. The sealing switch is arranged on the discharging pipe communicated with the bottom of the inner cavity, when the sealing switch is closed, the discharging pipe is blocked, materials and gas cannot pass through the discharging pipe, and therefore storage safety of honey is guaranteed.

The utility model provides a lubricating device of a planetary gear bearing and a planetary gear shaft. The lubricating device of the planetary gear bearing comprises a base, a stepped limiting groove is formed in the top of the base, a plurality of pairs of positioning blocks arranged at different gradients are arranged in the limiting groove, a supporting frame is arranged on the base, a fixing frame capable of automatically ascending and descending is arranged on the supporting frame, a hopper capable of automatically feeding is arranged on the fixing frame, and the limiting groove is formed in the top of the base. A plurality of injection heads which are annularly distributed are arranged at the bottom end of the hopper, and an adjusting mechanism capable of adjusting the positions of the plurality of injection heads is arranged at the bottom end of the hopper. According to the utility model, lubricating oil can be conveniently and quickly injected into the bearing, so that the bearing is lubricated, and the lubricating work of the bearing is simpler and more convenient.

A method and system for solidifying and sealing carbon dioxide on the seabed. The method comprises: determining a storage target area on the seabed according to the emission point of carbon dioxide (CO2); designing an injection well according to the geological environment of the storage target area, the injection well extending into the interior of the storage target area and / or below the storage target area; injecting CO2 and additives into the storage target area through the injection well, the additives comprising a kinetic promoter, a thermodynamic promoter, a kinetic inhibitor and a thermodynamic inhibitor of CO2 hydrate; and CO2 forming CO2 hydrate in the storage target area to seal the CO2 in the storage target area. The method for solidifying and sealing CO2 on the seabed provided in the present application can achieve safe, stable, efficient, environmentally friendly and large-scale geological storage of CO2 by solidifying and sealing CO2 in the storage target area by forming hydrate into CO2.

The utility model discloses an atomization device. The atomization device comprises a shell, an atomization main machine, a suction nozzle and a sealing piece. The atomization main machine comprises a liquid storage space with an open end and an atomization assembly with an atomization channel; the sealing piece is provided with an air outlet channel connected with the atomization channel in a sealed mode and a liquid injection channel communicated with the liquid storage space. The shell comprises a main body part installed in the main body part and a connecting part. The connecting part at least partially abuts against the side, back on to the atomization main machine, of the sealing piece so that the sealing piece can seal the open end, and an installation space is formed in one side of the sealing piece. The suction nozzle is detachably installed in the installation space and comprises a suction channel communicated with the outside. When the suction nozzle is installed in the installation space, the suction channel is connected with the air outlet channel in a sealed mode, and the suction nozzle seals the liquid injection opening of the liquid injection channel. When liquid injection is needed, the suction nozzle is taken down, and the liquid injection channel is opened, so that liquid injection can be quickly carried out; after liquid injection is completed, the suction nozzle can be installed, the liquid injection channel is closed again, and the liquid injection device has the advantages of being high in liquid injection speed, good in sealing performance and the like.

The invention discloses a vehicle-mounted ECU diagnosis fault code test method and system. The method comprises the steps that a software fault test case set is created; software fault test codes are added to a CAN interface module and a fault diagnosis module in the vehicle-mounted ECU; injecting data in the software fault test case set into the vehicle-mounted ECU through software fault test codes to complete fault injection; and simulating a fault recovery process and generating a response message. According to the vehicle-mounted ECU diagnosis fault code testing method and system, operation logic of source codes does not need to be modified, the fault codes are injected into the vehicle-mounted ECU through software fault testing codes, rapid fault injection and automatic testing are completed, use is easy and convenient, and testing is accurate.

The invention discloses a miniature micro-injection and sampling device which comprises a liquid storage device and a power device, a mounting seat is fixed at one end of the power device, the liquid storage device is detachably mounted on the mounting seat, the liquid storage device comprises a liquid storage cylinder and a piston movably arranged in the liquid storage cylinder, and the power device is used for driving the piston to do reciprocating rectilinear motion in the liquid storage cylinder; the power device is provided with a push-pull rod, one end of the push-pull rod is provided with a piston locking mechanism, the piston locking mechanism comprises a locking block and a locking reed, the end, facing the piston locking mechanism, of the piston is provided with an assembling groove with an internal thread, and the piston is locked in the assembling groove in the process that the power device drives the push-pull rod to stretch out towards the liquid storage device. The push-pull rod can push the locking block and the locking reed to extend into the assembling groove, and meanwhile the locking block can open the locking reed so that the locking reed can be clamped with the internal thread to achieve locking. The device has the injection and sampling functions, the piston and the liquid storage device can be quickly and automatically locked, and the operation efficiency is improved.

The invention belongs to the technical field of injection molding machines, and particularly relates to a silicone rubber injection molding machine which comprises a machining table, a lower mold is fixedly connected to the upper portion of the machining table, an upper mold is arranged above the lower mold, and an air cylinder for driving the upper mold to slide in the vertical direction is arranged above the machining table. And the guide mechanism comprises two guide rods fixedly connected to the upper end of the machining table, each guide rod is sleeved with a sliding sleeve, the upper end of the upper mold is fixedly connected with a bearing plate, and the two sliding sleeves are rotationally connected to the bearing plate. By arranging the guide mechanism, the guide mechanism can be automatically lubricated during working each time, the operation resistance of the sliding sleeve and the guide rod is reduced, and the sliding sleeve and the guide rod are prevented from being abraded; by arranging the detection assembly, the injection speed can be automatically adjusted according to the fluidity of the silicone rubber raw material, and the processing precision and the processing efficiency during silicone rubber injection molding are improved.

The application belongs to the technical field of organic electroluminescence, and discloses a compound, a composition containing the compound and a light-emitting device thereof. The compound has a structure shown in the following formula (1) or formula (2): formula (1); formula (2); wherein Y is selected from O or S; X1-X5 are each independently selected from CR0 or N. The compound has a suitable HOMO energy level, is beneficial to the injection of holes, can reduce the accumulation of holes at the interface of a light-emitting layer when the compound is used as a host material of an organic electroluminescence device, thereby significantly reducing the driving voltage of the device, balancing the transport of holes and electrons, and being beneficial to improving the light-emitting efficiency and service life of the device.

The utility model discloses a cap-screwing inflating device, relates to the technical field of sealing inflating instruments, and solves the problem that cap screwing and inflating are difficult to operate synchronously in the conventional inflating device. The screw cap inflation device comprises a main body frame, a middle template installed on the outer side of the main body frame and an inflated inflation bottle, the inflation bottle is arranged on the inner wall of the bottom of the main body frame, the screw cap inflation device further comprises a ventilation piece installed on the surface of the middle template, and two symmetrically-distributed clamping pieces are arranged below the middle template; the clamping mechanism is used for clamping and fixing the inflation bottle, the clamping mechanism is installed on the top of the middle template, the two clamping pieces clamp and fix the inflation bottle through the clamping mechanism, the ventilation piece can be conveniently aligned with an inflation opening of the inflation bottle, a bottle cap of the inflation bottle can be automatically screwed to the inflation bottle, and therefore the inflation bottle can be clamped and fixed through the clamping mechanism. Therefore, the effects of quickly screwing the bottle cap and facilitating air inflation are achieved.

The utility model discloses a compression-resistant irrigation and drainage pile for farm irrigation and emergency drainage, and belongs to the technical field of farm irrigation, the compression-resistant irrigation and drainage pile comprises a pile body with the bottom buried in a farmland soil body and a water pipe, an annular connecting disc is coaxially arranged at the bottom of the pile body, the connecting disc is detachably connected with the water pipe, a connecting port is formed in the side wall of the pile body, and the connecting port is connected with the pile body. The connector is communicated with a water pipe; a water sealing disc moving vertically is arranged in the pile body, and the peripheral side of the water sealing disc is attached to the inner wall of the pile body. The utility model aims to solve the problem of weak anti-backflow capability caused by incapability of quickly switching irrigation and drainage modes according to working condition requirements due to no active isolation structure in the existing patent.

The utility model provides an anti-explosion material supplementing bottle cap which comprises an outer cap, an inner cap is arranged at the hollowed-out position of the top of the outer cap, two centrosymmetric holes are formed in the inner cap, the two holes are fixedly connected with a T-shaped tee joint and a hollow pipeline respectively, the horizontal side of the T-shaped tee joint is sequentially connected with a constant value opening valve, a first air filter and a whistle generator, and the horizontal side of the T-shaped tee joint is connected with a second air filter. And the vertical end of the T-shaped tee joint is connected with a second air filter. On the basis of a common two-way bottle cap, the constant-value opening valve is additionally arranged at the gas inlet end through the three-way valve, redundant gas is discharged from the constant-value opening valve when the pressure in the bottle is too large, damage to the material supplementing bottle caused by the too large pressure can be avoided, and a culture medium can be injected into a target container at a high speed.

The utility model relates to the technical field of aluminum bar casting, in particular to an aluminum bar casting forming device which comprises a supporting platform, supporting legs which are symmetrically distributed are fixedly installed on the two sides of the bottom of the supporting platform, a lower die is fixedly installed on the top of the supporting platform, and an upper die is arranged on the top of the lower die. And a supporting shaft is rotationally mounted on one side of the top of the supporting platform. According to the aluminum bar casting forming device, the supporting platform, the supporting legs, the lower mold, the upper mold, the injection nozzle, the fixing plate, the connecting block, the supporting shaft, the first gear, the second gear, the second servo motor and the hydraulic telescopic rod are used in cooperation. In the using period of the whole device, the position of the upper die is adjusted completely by means of the lifting and steering functions of the device in the assembling process of the upper die and the lower die, the upper die can be disassembled and assembled conveniently, external hoisting equipment is not needed, time and labor are saved, and the safety coefficient is high.

The utility model is suitable for the technical field of detection equipment, and provides a VOCs (Volatile Organic Compounds) on-line detection device which comprises a detector with a material injection port at the top; the protection assembly is installed at the injection port and used for protecting an injector, the protection assembly comprises a shell installed outside the injection port and a sliding inner core connected to the interior of the shell in a sliding mode, and a protection tube used for protecting a needle tube of the injector is arranged at the bottom of the sliding inner core; an insertion hole is formed in the sliding inner core, the injector is inserted into the insertion hole, and after the sliding inner core is stressed, the protection tube is inserted into the injection port, so that the structure for protecting the injector is arranged, and when a sample is quickly injected into the detector, the injector can be prevented from being damaged by the injection port. The injector is protected through the protection piece, and the injector is prevented from being bent and damaged when being rapidly inserted.

The utility model discloses a quantitative sampling device for detection of domestic sewage, which comprises a base, a piston cylinder, a piston rod, a piston rod, a piston rod, a piston rod and a piston rod, the sampling bottle seat is positioned on one side above the sampling box; the sampling piston is positioned in the piston cylinder; the connecting rod convex shaft is positioned below the piston cylinder; the driving shaft is mounted on the side surface of the sampling box; and the sampling bottle mechanism is movably embedded in the sampling bottle seat. According to the domestic sewage sampling device, the connecting rod convex shaft can continuously drive the sampling piston to move up and down in a reciprocating manner by utilizing the reciprocating swing of the driving handle, so that the domestic sewage can be sampled, the domestic sewage can be quickly injected into the sampling bottle mechanism for storage by utilizing the quick clamping connection of the sampling bottle seat and the sampling mechanism, and meanwhile, the sampling effect is good. By utilizing the single driving of the driving handle, the sample can be quantitatively sampled, and the use of sampling personnel is effectively facilitated.

The utility model relates to the technical field of oil way control systems, in particular to an injection unit hydraulic oil way control system which comprises a three-position four-way reversing valve and a control valve, a P port of the three-position four-way reversing valve is communicated with an oil inlet, a T port of the three-position four-way reversing valve is communicated with an oil return port, and a T port of the three-position four-way reversing valve is communicated with an oil return port. A port A of the three-position four-way reversing valve is communicated with a front oil port of the injection oil cylinder, a port B of the three-position four-way reversing valve is communicated with a rear oil port of the injection oil cylinder, an input port of the control valve is communicated with the oil inlet, and an output port of the control valve is communicated with the front oil port of the injection oil cylinder. The control valve is communicated between the oil inlet and the front oil port of the injection oil cylinder, the control valve increases the oil inlet amount of the injection oil cylinder when the two-position four-way reversing valve is located at the right position, the injection speed is increased, the productivity is improved, the control module is matched with a stroke hydraulic differential loop when the injection oil cylinder acts, and small flow and high speed are achieved. And the cycle time is reduced.

The utility model relates to the field of automobile sealing element production, in particular to an automobile sealing element forming die which comprises a bottom plate, fixing bases symmetrically arranged on the two sides of the surface of the upper end of the bottom plate, a lower die base horizontally arranged at the upper ends of the fixing bases, an upper die base horizontally and correspondingly arranged above the lower die base, and a top plate horizontally and fixedly connected to the top end of the upper die base. Fixing guide columns are arranged at the four corners of the lower die base and the four corners of the upper die base in a penetrating mode and fixed to the upper surfaces of the fixing bases on the two sides. According to the utility model, through the arrangement of the plurality of forming grooves, a plurality of automobile sealing elements can be formed by one-time injection molding of the forming mold, so that the yield is improved. Meanwhile, a first injection molding channel and a second injection molding channel are formed in the upper mold base so that hot-melt plastic can be conveniently and rapidly injected into the lower mold base at a time, a runner is formed in the lower mold base so that a forming groove can be rapidly filled with hot-melt rubber, the machining time of injection molding of the automobile sealing element is shorter, and the machining efficiency is improved. And the processing efficiency of injection molding is effectively improved.