35results about How to "Realize the sealing function" patented technology

The invention discloses a self-coupling L-shaped slit double-plate coating scraper, system and method, and relates to the technical field of coating, the self-coupling L-shaped slit double-plate coating scraper comprises a scraper head, a back plate and a conveying base, and the scraper head is provided with a side face and a bottom face; a transition section is formed between the side surface and the bottom surface; a longitudinal slit for injecting slurry is formed between the back plate and the bottom of the tool bit; a transverse slit with the length not smaller than 0.5 cm is formed between the conveying base and the bottom face of the tool bit, the longitudinal slit and the transverse slit are communicated to form an L-shaped slit, and a coupling communication position is formed in the transition section. And after entering the coupling communication part, the slurry is driven by a base film arranged on the conveying substrate to move along the longitudinal slit and directly form a film under shear stress. The self-coupling L-shaped slit double-plate coating scraper is compact in structure, precise and adjustable, so that slurry in a transverse slit is more compact and uniform, the coating defect is reduced, and the film forming quality is improved.

The utility model relates to the technical field of oral solution filling, in particular to an oral solution filling device which is characterized in that an upper plate is mounted on the circumferential wall of a base through a connecting frame, a filling structure is mounted on the upper plate and comprises a box body, and a sealing structure for controlling filling is arranged on the circumferential wall of the box body; the sealing blocking plug is in contact with the through hole through the conical surface, a spring is installed between the sealing blocking plug and the box body, it can be guaranteed that the sealing blocking plug is in contact with the through hole through the spring, when the sealing blocking plug bears external pressure, the inner cavity of the box body is communicated with the outside through the through hole, and when the pressure is removed, the sealing blocking plug recovers to the state of sealing the box body again under the thrust of the spring; the sleeve is communicated with the inner cavity of the box body only through the ventilation pipe, the ventilation pipe is vertically arranged upwards, the end, away from the sleeve, of the ventilation pipe is close to the upper wall of the box body, when the sealing blocking plug is pushed to communicate the inner cavity of the box body with the outside, the ventilation position is close to the top face of the box body, and therefore the oral solution is prevented from flowing out of the through hole.

The invention provides a socket shell, a socket, a plug and a connector, the socket shell comprises a flange plate matched with a mounting panel and a plugging part formed by forward extension of the flange plate, a curved groove and an identification key groove are distributed on the outer circumference of the front end of the plugging part along the circumferential direction, the curved groove can be matched with a staple bolt on the plug to realize head seat locking, and the identification key groove can be matched with the staple bolt on the plug. According to the invention, the identification key grooves and the curved grooves are distributed on the outer circumference of the socket shell in a coplanar manner, so that the whole socket is easy to clean. And under the condition that structures such as locking, plugging and mistake proofing are not lost, the axial size of the socket is extremely compressed, and the ultra-low dwarfing of the socket is realized.

The utility model discloses a centrifugal pump magnetic sealing device which comprises a centrifugal pump shell, a rotating shaft body is installed in the centrifugal pump shell, and a sleeve is detachably connected to the outer side of the rotating shaft body. The sealing device has the beneficial effects that the bidirectional lead screw, the first moving blocks, the second moving blocks, an adjusting rod, a sliding rod, a first bevel gear, a second bevel gear, a connecting rod, a rotating disc, an arc-shaped plate and a sealing layer are arranged, so that the function of sealing the rotating shaft is achieved, and the bidirectional lead screw rotates to drive the first moving blocks at the two ends to move; a first moving block drives a second moving block to move along the outer side of a sliding rod through an adjusting rod, the second moving block drives an arc-shaped plate to move while moving, and the arc-shaped plate drives a sealing layer to move till the sealing layer makes contact with the outer side of a rotating shaft body; and by arranging a fixing block, a groove, a bolt and a second connecting hole, the function of limiting the positions of the arc-shaped plate and the sealing layer is achieved, and the influence caused by rotation of the rotating disc during use is prevented.

The invention provides a metal sealing rope, a preparation method of the metal sealing rope and a turbine stationary blade sealing structure. The metal sealing rope provided by the invention is used for sealing between a turbine stationary blade and a stationary blade sealing ring; the metal sealing rope comprises an armor layer, a filling core and a fixing agent; the armor layer is formed by weaving a metal flat belt; the filling core is formed by weaving a plurality of core bodies; the armor layer is coated on the filling core; the fixing agent is dispersed in the armor layer, the contact surface of the armor layer and the filling core and in the filling core; the armor layer and the fixing agent enable the metal sealing rope to be rectangular in a normal temperature state; the fixing agent is volatilized through heat generated by working of the gas turbine, so that the metal sealing rope expands in the longitudinal direction and the transverse direction, and the metal flat belt of the armor layer is in plane contact with the turbine stationary blade and the stationary blade sealing ring. According to the metal sealing rope, the preparation method of the metal sealing rope and the turbine stationary blade sealing structure, good sealing can be formed between the turbine stationary blade and the stationary blade sealing ring.

The utility model discloses a ball valve, including valve body, flow passage, ball and drive part. The valve body is equipped with filter assembly, including filter block and fixed part, is equipped with installation cavity on filter block, is equipped with filter screen in installation cavity. The arc rotation groove is equipped on filter block, and the flow passage department of valve body one side is equipped with limit stop, and the limit groove that communicates rotation groove is still equipped on filter block, and the fixed part is inserted in the junction of rotation groove and limit groove to fix filter block. The support frame is equipped on filter screen, and the outer periphery of support frame is equipped with support block, and the arc installation groove is equipped in filter block, and support block realizes support frame installation in the sliding of installation groove. The fixed ball and spring are equipped in installation groove, and spring drive fixed ball and support block on the cooperation locking of clamping groove. The fixed part includes locking frame, and is equipped with limit portion and abutting portion on it, and abutting portion abuts in rotation groove, and limit portion is inserted in the sealing groove on valve body. The utility model filter assembly convenient to dismount, and fixed reliable, is convenient for washing or replacement filter screen.

The application provides a plug connector with printed board fixing and protection components, relates to the technical field of connectors, and comprises a plug, a printed board and printed board fixing and protection components. The tail end of a contact in the plug is welded with the printed board in a plug-in manner. The printed board fixing and protection components are wrapped outside the printed board and are detachably connected with the tail end of the plug. The printed board fixing and protection components comprise a fixing box, printed board fixing screws, a sealing washer, cover plate fixing screws and a cover plate. The head of the fixing box is provided with a threaded structure. A plurality of threaded holes A are arranged on the tail end face of the fixing box. The sealing washer is arranged between the fixing box and the cover plate. The cover plate fixing screws pass through the cover plate and the sealing washer and are arranged in cooperation with the threaded holes A, so that the cover plate seals and fixes the tail end of the fixing box. A plurality of threaded holes B are arranged in the fixing box. The threaded holes B cooperate with the printed board fixing screws to fix the printed board, so that the printed board is fixed, connected and protected.

The invention provides a ball bearing turbocharger shafting sealing structure which comprises an impeller, the impeller, a spacer sleeve, an inner ring of a ball bearing and a shaft shoulder of a turbine rotating shaft are fastened through axial pretightening force to form a rotor part, and the rotor part and a sealing sliding block rotate relatively in a non-contact mode to form a sealing gas film with pump pressure difference. The back disc, the outer ring of the ball bearing and the bearing body are fixedly connected to form a stator part; the back disc is connected with the threaded sleeve, the force measuring bolt penetrates through the threaded sleeve and the spring and then is connected with the sealing sliding block, and the spring is always in the state of being compressed by the threaded sleeve and the sealing sliding block. The sealing sliding block slides in the annular track of the back disc, the pre-tightening force and the thickness of the sealing gas film are controlled through the spring and the threaded sleeve, and the pre-tightening force of the spring is measured and set through the force measuring bolt and the threaded sleeve. According to the shaft system sealing structure of the ball bearing turbocharger, the sealing function is achieved, and abrasion of the sealing face is greatly reduced.

The utility model discloses an externally-hung vacuum display control device which comprises a display control cabinet, a limiting ring and a lifting rod. The limiting ring is rotationally connected to the upper portion of the display control cabinet, and a plurality of lifting rods are arranged on the upper portion of the display control cabinet; the three extrusion plates slide in the limiting ring; the inner air bag is mounted on the outer side of the lifting rod; the water pipe is arranged at the lower end in the display control cabinet; the fixing ring is arranged in the limiting ring, and a fixing rod for driving the extrusion plate to move is clamped in the fixing ring in a sliding manner; and the tubular column is fixed to the lower end of the interior of the display control cabinet, and a piston slides in the tubular column. According to the externally-hung vacuum display control device, the gap between the lifting rod and the extrusion plate is filled with the inner air bag, so that the sealing function is achieved, water is prevented from entering the display control cabinet, the phenomenon that internal parts are aged is prevented, and the internal parts are protected.

This invention relates to the field of support structure technology, specifically to a prefabricated double-row steel sheet pile foundation pit support structure and construction method. The support structure includes a locking mechanism and a protective mechanism. The locking mechanism includes a lock body, an airbag block, and a sealing connection part. The lock body is a plate-shaped structure with slots on both side walls. An air cavity is formed inside the lock body. An opening communicating with the air cavity is formed on the inner wall of the slot. The airbag block is located on the inner wall of the slot and communicates with the opening. Multiple circular openings a communicating with the air cavity are formed on the inner wall of the slot. Multiple sets of sealing connection parts are provided and connected inside the air cavity. The protective mechanism includes a protective plate and an elastic membrane. Two sets of protective plates are respectively attached to both sides of the steel sheet pile body and detachably connected to them. Multiple grooves are formed on the protective plate. The elastic membrane is connected to the groove openings. This invention can significantly reduce the friction between the steel sheet pile and the locking body, as well as the friction between the steel sheet pile body and the soil sidewall, thereby reducing the difficulty of pile extraction.

The utility model belongs to the technical field of neon lamp strips, and particularly relates to a plug-in type assembled neon lamp strip which comprises a first connector. One side of the first connector abuts against a second connector through a fixing mechanism, a plug is fixedly installed in the second connector, and a socket is fixedly installed in the first connector; wherein the plug comprises a plug-in main body, a reed is fixedly mounted on one side of the plug-in main body, and the reed is used for driving the plug-in main body to be clamped with the fixed seat, so that the plug-in main body drives one end of the conductive assembly to slide in the fixed shell. According to the utility model, the two neon lamp strips can be assembled in a plug-in manner through the first connector and the second connector as well as the socket and the plug which are arranged inside the first connector and the second connector, and the neon lamp strips and the plug-in assembly structure are simpler and more convenient to install, so that the neon lamp strips can be effectively prevented from loosening and falling off.

The utility model provides a Bluetooth sound box, which is provided with a box body, a first end opening is formed at one end of the box body, a lamp panel connected with a mainboard is arranged in the first end opening, a gland is arranged on the outer side of the first end opening, a vibrating diaphragm is arranged between the lamp panel and the gland, and the first end opening is sealed by the vibrating diaphragm. Compared with the prior art, the utility model also has the following beneficial effects: the vibrating diaphragm realizes the functions of sound production and light guide, and can also realize the sealing function at the same time.

The utility model discloses a USB socket and a controller, comprising a housing assembly extending back and forth and a USB socket module arranged in the housing assembly, the housing assembly comprises a front housing and a rear housing which are arranged in sequence from front to back, the front housing and the rear housing are fixedly connected or integrally formed, the front housing can be in plugging cooperation with an external device, and the rear housing can be in plugging cooperation with the external device. A stopping step facing the rear end of the shell assembly is formed between the front shell and the rear shell, at least one protrusion is arranged at the front end of the rear shell in the axial direction of the rear shell, at least one elastic claw is arranged at the rear end of the rear shell in the axial direction of the rear shell, and the stopping step and the elastic claw are matched so that the USB socket installed in place from the rear end can be fixed to the installation panel. According to the utility model, the housing assembly of the USB socket is provided with the elastic claw and the projection structure, the cooperation of the stop step and the elastic claw can realize the fixation between the USB socket and the installation panel, and the projection structure can prevent the USB socket from deflection relative to the installation panel.

The utility model discloses an arc light on-line monitoring device for a power distribution switch cabinet, which comprises a cabinet body, heat dissipation holes are uniformly formed in the middle of the bottom of one side of the cabinet body, and a sealing assembly is arranged at the bottom of one side, close to the heat dissipation holes, in the cabinet body. Through the structural design of a first baffle, a second connecting rod, a first push block, a second push block, a third spring, a second baffle and a guide groove, the second baffle can be pushed to move in the guide groove through the matched design of the second connecting rod, the first push block and the second push block when the first baffle moves downwards, and then through holes formed in the second baffle are staggered from heat dissipation holes; through the design cooperation of the components, the sealing function of the interior of the cabinet body can be achieved, dry powder is effectively prevented from leaking out through the heat dissipation holes when falling off in the later period, flames can be prevented from leaking out, circulation of air in the cabinet body is isolated, and the fire extinguishing function in the cabinet body is achieved again. And the safety performance of the device in later use can be further improved.

This utility model relates to the field of expansion joint technology, providing a force-transmitting expansion joint, including a sleeve, with an inner tube disposed on one side inside the sleeve. Self-locking fixing structures are fixed to the outer walls of both the sleeve and the inner tube. Each self-locking fixing structure includes adjusting blocks uniformly fixed to the outer wall of the inner tube, and positioning blocks uniformly fixed to the outer wall of the sleeve. By providing self-locking fixing structures, this utility model facilitates precise connection between the sleeve and the inner tube under the connection and guidance of the screw. The dual locking action of the first and second self-locking bolts increases the stability of the connection between the sleeve and the inner tube. The limiting action of the limiting bolts facilitates control of the expansion distance between the sleeve and the inner tube. This device achieves the functions of easy self-locking, easy fixing, and easy adjustment of the distance between the sleeve and the inner tube, improving the working efficiency and convenience of the force-transmitting expansion joint during use.

The utility model relates to the technical field of liquid sampling, and provides a sampler for liquid food detection, which comprises a sampling assembly, the sampling assembly comprises a sampling bottle body, a built-in cavity, a sealing structure and a sampling tube, and the built-in cavity is arranged in the sampling bottle body. According to the sampling bottle, the air exhaust structure and the hand-held handle are arranged, the pull rod is pushed to one end, close to the connecting pipe, of the air exhaust cylinder, then the sampling pipe penetrates through the sealing cover and extends into the internal cavity, then the pull rod is pulled back, and under the sealing action of the pull disc and the sealing ring, vacuum is formed in the sampling bottle body; when the sampler for liquid food detection is used, liquid can flow into the sampling bottle body along the sampling tube, and if the drawing rod is pulled once to take the liquid insufficient in required amount, the drawing action needs to be repeated, so that the liquid quality can be prevented from being influenced by repeated transfer, the device has a vacuumizing sampling function, and the convenience of the sampler for liquid food detection in use is improved.

The present invention discloses a control handle and a left ventricular assist device, the control handle comprising: a housing; a delivery catheter, the distal end of which is connected to a blood pump system, and the proximal end of which is connected to a first cavity and a second cavity in sequence; a drive system, the output shaft of which is connected to the blood pump system; an infusion system, which is connected to the delivery catheter; a first sealing structure, which is used to control whether the first cavity is sealed; a second sealing structure, which is arranged in the second cavity and is used to seal the second cavity; the first sealing structure and the second sealing structure switch the working state based on the operating state of the drive system. The present invention adds a first sealing structure inside the housing, and through the coordinated cooperation of the first sealing structure and the second sealing structure, the driving system can seal the delivery catheter in different operating scenarios, and thus the sealing function of the delivery catheter can be realized regardless of whether the driving system is running, which protects the electronic components at the proximal end of the housing and improves the safety of the device.

The present application relates to thin film deposition equipment technical field, disclose a shower head and its processing method, the shower head includes: cover plate has the through hole, the through hole includes first hole section and second hole section;Spray plate is provided with connecting column, connecting column includes thread section and base section;Connecting sleeve, including sleeve, sleeve is matched on the outside of thread section;First sealing structure, between the sleeve and the one end of thread section away from base section, the first sealing structure seals the sleeve and thread section.The present application is matched by the sleeve and connecting column thread connection, realize the connection of cover plate and spray plate, the consistency of thread cooperation is higher than welding, can effectively improve the connection precision, in addition, realize the process of connection without using welding and so on heating means, therefore can avoid the deformation of connecting column and so on connecting structure, in addition, still set up the first sealing structure, the first sealing structure can guarantee the sealing performance between connecting sleeve and connecting column, simple structure, convenient operation.

The utility model belongs to the field of water permeability performance testing machines, and particularly relates to a pervious concrete water permeability performance testing machine which comprises a testing base. A concrete plate is arranged at the top end of the test base, and a fixed detection mechanism is arranged at the top end of the test base; the fixed detection mechanism comprises a first fixed block, the first fixed block is arranged at a position, close to the middle, of the rear end of the test base, and the front end of the first fixed block is fixedly connected with the rear end of a first rotating block; through the design of the fixed detection mechanism, the function of fixing the pervious concrete slab is achieved, and the problems that an existing testing machine is not provided with an assembly capable of effectively fixing the pervious concrete slab, when testing is conducted, shaking occurs, pervious concrete is very prone to moving in a storage frame, a large gap occurs, and the testing efficiency is affected are solved. Therefore, the water permeability of the pervious concrete slab cannot be effectively judged, and the stability of the pervious concrete slab is improved.

The invention discloses an industrial flue gas online monitoring device and method thereof, belonging to the technical field of flue gas monitoring. It includes a monitoring cabinet, and also includes: a first support frame fixedly connected to the inner wall of the monitoring cabinet, a groove is opened on the first support frame, a sampling pump is fixedly connected to the surface of the first support frame, and a heating pipe is fixedly connected to the input end of the sampling pump; an inspection door connected to the two side walls of the monitoring cabinet, and an electronic lock is fixedly connected to the inspection door; a filter box fixedly connected to the surface of the first support frame, a first output pipe is fixedly connected between the filter box and the sampling pump, and a filter is fixedly connected to the inner wall of the filter box, wherein the bottom of the filter box is fixedly connected to a condensation dehydration device through a second output pipe, and the surface of the condensation dehydration device is fixedly connected to a gas analyzer through a third output pipe. When maintenance is needed, it is convenient to perform maintenance by simply opening the inspection door, thereby reducing the difficulty of maintenance work.

The application discloses a flow guide structure and a water tank, and relates to the technical field of water tanks. The flow guide structure is applied to the water tank. The water tank comprises a tank body and a first pipe joint arranged on the tank body. The flow guide structure is connected to the first pipe joint. The flow guide structure comprises a flow guide pipe and a sealing piece. The flow guide pipe is used for connecting the water tank. The sealing piece comprises a sealing sheet. The sealing sheet is arranged around the flow guide pipe. The sealing sheet is configured to seal the gap between the flow guide pipe and the first pipe joint through elastic deformation. By arranging the sealing sheet, the accuracy requirement of the sealing piece can be reduced by using the elastic deformation of the sealing sheet. In this way, the flow guide pipe can be assembled to the first pipe joint, the sealing function can be realized, and the risk of leakage of the tank body is reduced.

The utility model belongs to the field of daily necessities, specifically is a kind of supermarket shopping bag with expansion function, including bag body;The lower end of bag body is equipped with expansion structure, the upper end of bag body is provided with sealing structure, and the left side wall of bag body is symmetrically equipped with handle;Through expansion structure design, it solves the problem that the internal space of existing supermarket shopping bag is usually fixed, without expansion function, when buying more goods, the expansion bag can be opened to increase the holding space of bag body, improve the use flexibility and practicality of shopping bag;Through sealing structure design, it solves the problem that the existing supermarket shopping bag usually seals the shopping bag by tying the two handles together, this sealing method not only compresses the use space of shopping bag, but also rainwater enters the inside of shopping bag from the sealing place in rainy days, and the waterproof effect is poor, so that the use effect of shopping bag is better.

This utility model discloses a temperature compensator for a fluidized bed dryer, relating to the field of drying equipment technology. It includes a drying chamber with a hot air fan located on the right side and an air inlet duct fixedly connected to the right side. The drying chamber contains a temperature compensation component to compensate for the temperature of the material at the top. This fluidized bed dryer's temperature compensator is equipped with an air distributor, a constant air volume valve, an inner cylinder, an outer cylinder, a temperature compensation pipe, and nozzles. During use, the material is evenly spread on a permeable grate. When temperature compensation is needed, the constant air volume valve is opened, and some of the hot air in the air inlet duct rises along the air distributor, passes through the inner cylinder and outer cylinder, reaches the temperature compensation pipe, and is then sprayed downwards through the nozzles at the bottom of the temperature compensation pipe to compensate for the temperature of the material at the top. This achieves the function of top temperature compensation, solving the problem of devices lacking this function.

The invention provides an airborne high-power shielding serialized bus terminal assembly, and relates to the technical field of airborne high-power power supply and distribution equipment.The airborne high-power shielding serialized bus terminal assembly comprises a frame plate, a bus terminal is inserted in the front side of the frame plate, and the frame plate is in fastening connection with the bus terminal through a positioning piece and a fastening piece in sequence; the frame plate is sleeved with a conductive rubber gasket, and the conductive rubber gasket is tightly attached to the flange face of the frame plate. According to the invention, large-current electric connection requirements of various connection forms can be met, sealing and shielding functions of the bus terminal assembly are realized, and the bus terminal assembly has good insulativity and shielding performance, is also suitable for front and back installation forms, and has good assemblability and maintainability; and when the convergence terminal is locked through the fastener, the convergence terminal is positioned on the frame plate through the positioning piece, so that even if the convergence terminal assembly is subjected to mechanical loads such as violent vibration, impact and the like, the fastener is loosened and falls off, the convergence terminal can still be mounted on the frame plate, and the connection reliability is improved.

The utility model provides a terminal junction box, and relates to the technical field of high-voltage large-current connectors, the terminal junction box comprises a cover body, a box body and a conductive column, the cover body is provided with a connecting hole, the box body and the cover body are connected to define a containing cavity, at least part of the conductive column is contained in the connecting hole, and the conductive column is used for being electrically connected with a terminal on the side, away from the box body, of the cover body. The conductive column and the cover body are in sealing connection to seal the accommodating cavity. The conductive columns of the terminal junction box are electrically connected with the terminals and are in sealed connection with the cover body at the same time, so that the installation process of the terminal junction box is simplified, and the conductive performance and the sealing reliability are improved.

The embodiment of the utility model provides a quick opening and closing auxiliary device for an interval single-leaf sealing-proof partition door. The quick opening and closing auxiliary device aims at solving the problems that an existing device is low in opening and closing speed, poor in stability and insufficient in sealing performance. The device comprises a wall body, a sealing movable door, an L-shaped rotating plate, a driving gear, a gear plate, a transmission gear, a hydraulic telescopic device, a sliding rail, a sliding block, a crank sliding block structure, a movable rod, an embedding groove and a supporting rod. The hydraulic telescopic device drives the driving gear to rotate through the gear plate, and the driving gear drives the L-shaped rotating plate and the transmission gear at the same time. Rotation of the L-shaped rotating plate enables the sealing movable door to achieve the rotating action of opening or closing the door, the transmission gear drives the sliding block to slide along the sliding rail through the crank sliding block structure, and the sealing movable door is further assisted to complete the translation action. Due to the double movement mode of rotation and translation, not only is the opening and closing speed of the door body improved, but also the stability and the sealing performance of the door body in the opening and closing process are ensured.

The utility model provides a sealing structure of a high-corrosion-resistance fluorine-lined butterfly valve, which relates to the field of fluorine-lined butterfly valves and comprises a valve body unit, two butterfly valve metal substrates, a fixing ring arranged on one side, far away from each other, of the two butterfly valve metal substrates, and a mounting ring fixedly connected to the surfaces of the butterfly valve metal substrates and the fixing ring, the fixing pin is detachably connected to an inner cavity of the mounting ring; the butterfly valve metal base body serves as a main body structure of a valve, the surface of the butterfly valve metal base body is lined with fluorine, mechanical supporting and connecting effects are achieved, the fixing ring is fixed to a port of a pipeline and provides positioning and supporting for the mounting ring, the mounting ring is matched with the fixing pin, the butterfly valve metal base body can be connected with the pipeline fixedly provided with the fixing ring, and overall disassembly of an assembly is facilitated; therefore, the sealing ring body is convenient to replace, maintainability and reliability of the valve are improved, the containing groove is used for containing the sealing ring body and the positioning assembly, the sealing ring body is used for achieving the sealing function of the valve, and sealing performance and corrosion resistance of the valve are guaranteed.

The invention relates to the technical field of fruit juicers, in particular to a closed anti-oxidation fruit juicer which comprises a frame, a juicing cylinder is arranged at the top end of the frame, a driving motor is arranged in the middle of the frame, one end of the driving motor is in transmission connection with a belt pulley through a belt, and the outer side of the belt pulley is fixedly connected with a rotating cylinder. The top end of one end of the juicing barrel is communicated with the discharging barrel, a blocking assembly is arranged between the top end of the discharging barrel and the feeding port, a mounting plate is arranged at the top end of the juicing barrel, and a balance pipe assembly and a nitrogen charging assembly are arranged at the top end of the mounting plate. The balance pipe assembly comprises a balance pipe body, a diaphragm arranged in the balance pipe body and side covers arranged on the two sides of the balance pipe body, non-crushed materials are used for sealing an inlet part of the juicer in a flowing mode, a proper amount of RO hydrogen-rich water is added, a feeding liquid sealing chamber is formed, a partition plate can play a role in dispersing fruits to the two ends and making contact with a crushing rod, and the crushing effect is improved. And the fruits are crushed in the discharging barrel, so that the crushing effect is improved.

The present application discloses a self-coupled L-shaped slit double-plate coating scraper, system and method, which relates to the field of coating technology. The self-coupled L-shaped slit double-plate coating scraper includes a blade head, a back plate and a transmission substrate. The blade head has a side surface and a bottom surface, and a transition section is formed between the side surface and the bottom surface. A longitudinal slit for injecting slurry is formed between the back plate and the bottom of the blade head; a transverse slit with a length of not less than 0.5 cm is formed between the transmission substrate and the bottom surface of the blade head, and the longitudinal slit is connected with the transverse slit to form an L-shaped slit, and a coupling connection is formed in the transition section; after the slurry enters the coupling connection, it is driven by the base film arranged on the transmission substrate, moves along the longitudinal slit and is directly filmed under shear stress. The self-coupled L-shaped slit double-plate coating scraper has a compact structure and is precisely adjustable, so that the slurry in the transverse slit will be more compact and uniform, reducing coating defects and improving film quality.

The invention discloses a sealing element used in a CO2 drive packer and the CO2 drive packer, the sealing element is prepared by pouring TiNi shape memory alloy, and the TiNi shape memory alloy comprises the following components in percentage by mass: 45% of Ti, 54.5%-52.5% of Ni and 0.5%-2.5% of Ca. The Ti alloy has the characteristic of high corrosion resistance, so that the sealing performance can be maintained for a long time under the working conditions of high temperature and high CO2 partial pressure. The sealing element prepared by pouring the TiNi shape memory alloy can meet the operation working condition during underground CO2 flooding operation, and meanwhile, the shape memory alloy has the superelasticity and the shape memory effect, so that under the action of external force, the shape memory alloy has the deformation recovery capacity much larger than that of common metal, and the sealing element has the good sealing effect. In other words, large strain generated in the loading process can be recovered along with unloading, and the packer and the tubular column can be recovered successfully.