105results about How to "Improves sealing reliability" patented technology

This utility model discloses a planar magnetron sputtering device belonging to the technical field of vacuum coating equipment. The device includes a motor, a main body, a target material, a cooling backplate, and a base. The core of this application lies in the fact that the cooling backplate is composed of a cooling substrate and a cover plate. The cooling substrate has a specially shaped receiving groove, which includes a first groove segment and a second groove segment connected to each other along its depth direction. The cover plate is embedded in the first groove segment to seal the lower second groove segment, thereby forming a completely closed cooling channel. This utility model, through this permanent sealing structure of embedding the cover plate in the receiving groove, replaces the traditional removable mechanical seal that relies on sealing gaskets, fundamentally solving the technical problem of leakage easily occurring in large-size cooling backplates under high water pressure.

The application discloses a battery monomer, a battery device and a power utilization device, and relates to the technical field of batteries. The battery monomer comprises a shell assembly, an electrode assembly and a pole post assembly, the pole post assembly comprises a pole post main body and an adapter, the adapter is welded with a first shell wall, at least one identification part is formed on the side surface of the adapter away from the accommodating cavity, the identification part is arranged between the outer circumferential edge of the pole post main body and the outer circumferential edge of the adapter in the radial direction of the adapter, the identification part is configured to be visually detected and identified, the surface roughness of the identification part is smaller than the surface roughness of the remaining part of the side surface of the adapter away from the accommodating cavity except the identification part, and the surface roughness of the remaining part of the side surface of the adapter away from the accommodating cavity except the identification part is smaller than the surface roughness of the outer circumferential wall of the adapter. Therefore, the position grasping accuracy of the outer circumferential edge of the adapter can be improved through the identification part, the welding quality of the adapter and the first shell wall is improved, and the reliability of the battery monomer is improved.

The invention discloses a sealing method for an optical fiber element, and relates to the technical field of optical element connection, in the sealing method, a pretreated assembly component is directly sealed under micro-positive pressure inert gas, and the sealing reliability can be improved from multiple aspects of oxidation prevention, atmosphere control, quality improvement, process stabilization and the like; the temperature of the graphite jig changes more gently in the heating and cooling stages, heat permeates uniformly in the heating process, and local thermal shock is avoided; and during cooling, heat is quickly and uniformly dissipated, so that the cooling rate difference of all parts of the sealing piece is reduced, and thermal stress accumulation is greatly reduced. In the sealing heating stage, the graphite jig can quickly and uniformly conduct heat of a heat source, the problem that a local area is overheated or heated insufficiently can be avoided, it is guaranteed that glass solder is synchronously melted and wetted on the whole sealing interface, the defects that the solder is uneven in spreading, local fusion is incomplete and the like due to the temperature gradient are overcome, and the service life of the glass solder is prolonged. And the air tightness and the structural integrity of a sealing interface are ensured.

This invention relates to the field of wastewater treatment technology, and more particularly to a wastewater treatment device based on an algae-bacteria symbiotic photobioreactor, comprising: a mounting frame and a treatment tank fixed inside the mounting frame. The treatment tank contains a reaction assembly, which includes a drive rod and a reaction spiral blade. The drive rod is vertically positioned inside the treatment tank, and the reaction spiral blade is fitted onto the drive rod. The reaction spiral blade has reaction holes and contains a biological reaction layer. A collection hood, shaped like an inverted frustum, is located at the bottom of the treatment tank. Two symmetrical outlets are located at the bottom of the collection hood. A collection assembly, comprising a sealing ring, a guide ring, a movable rod, and a collection box, is located below the collection hood. The sealing ring is fixedly connected to the bottom side of the collection hood. This invention causes the generated sediment to converge centripetally at the bottom of the treatment tank, avoiding the formation of eddy current dead zones.

The utility model discloses a kind of anti-toppling chemical barrels, it is related to chemical barrel storage technical field, including chemical barrel, anti-toppling component and pressing assembly, chemical barrel includes barrel body and barrel cover being set at barrel body top, fixed ring is fixedly connected on barrel body, anti-toppling component is slidably connected with fixed ring, pressing assembly is fixedly installed on fixed ring, locking member for limiting anti-toppling component is provided on fixed ring;By pressing top plate, make slide bar drive U-shaped frame to press down, U-shaped frame is driven to move down anti-toppling board by connecting rod, cooperate the guidance of triangular block and the effect of torsion spring, promote anti-toppling board to unfold, until locking member locks slide bar state;Subsequently, rotate fixed bolt, fixed anti-toppling board to guarantee the stability of support, simultaneously, by spring two and connecting plate, drive lifting rod in pressing assembly to move, cooperate and overturn rotating plate, make it exert downward pressure on barrel cover, effectively prevent barrel cover from accidental stress and separate from barrel body, avoid chemical material leakage.

The utility model discloses a kind of floating rack steering axle structures, belong to fork truck steering axle field. Including: slewing support, cylinder barrel assembly, floating rack assembly and support pinion shaft. Cylinder barrel assembly includes left cylinder barrel and right cylinder barrel, left cylinder barrel open end is fixedly inserted in the inside of slewing support left side interface, right cylinder barrel open end is fixedly inserted in the inside of slewing support right side interface;Floating rack assembly includes rack body, left piston and right piston, left piston is slidably embedded in left cylinder barrel, left piston is tightly attached to rack body left end, right piston is slidably embedded in right cylinder barrel, right piston is tightly attached to rack body right end;The top gear ring of support pinion shaft is engaged with the transmission gear portion opened in the middle part of rack body. The utility model reduces cylinder barrel machining precision requirement, assembly efficiency is improved by more than 20%, compresses slewing support axial space 15%-20%, oil seal life is extended to 2 times of traditional structure.

This utility model discloses a multi-groove rubber oil seal for shaft sealing, relating to the field of oil seal technology. The multi-groove rubber oil seal for shaft sealing includes a sealing rubber with a skeleton fixedly installed inside. The sealing rubber has an atmospheric side surface and a sealing medium side surface on its two sides. The inner circle of the sealing rubber has a main sealing lip, a first secondary sealing lip, and a second secondary sealing lip. The inner circle of the main sealing lip has a first sliding contact surface, the inner circle of the first secondary sealing lip has a second sliding contact surface, and the inner circle of the second secondary sealing lip has a third sliding contact surface. The second sliding contact surface has micro-spiral raised textures. The sealing rubber has a first annular groove and a second annular groove inside. A first spring is fixedly installed inside the first annular groove. This utility model can improve the overall sealing reliability of the oil seal, effectively prevent medium leakage, and extend the service life of the oil seal.

This invention discloses a low-pressure-loss, lightweight integrated control unit for injection molding machine mold clamping, comprising an integrated unit body and a hydraulically controlled directional valve and first to third cartridge valves integrated within it. First to fourth solenoid valves are superimposed on the outside of the unit body. The unit body has P-ports, T-ports, and multiple external working ports, which are connected to actuators such as the mold adjusting motor and the mold clamping cylinder. Each port is interconnected with the cartridge valve ports and solenoid valve mounting surfaces through internal process holes, forming a compact oil circuit. This invention, through high valve body integration and optimized oil circuit design, significantly shortens the flow path, reduces pressure loss and energy consumption, and improves system response speed and sealing reliability. The integrated unit body, cast in one piece, is compact, lightweight, easy to process and assemble, reduces the number of parts and maintenance costs, and is suitable for efficient control of injection molding machine mold clamping systems.

This utility model relates to a high-sealing gate valve, mainly used in applications requiring extremely high media sealing, belonging to the fields of chemical and nuclear power equipment. It eliminates the traditional rigid connection between the valve stem and the drive mechanism, thereby eliminating the external leakage point where the valve stem protrudes from the valve cover, reducing the risk of valve leakage from the structural design stage. The valve stem is built into the valve body, and the valve stem nut is connected to the top of the valve stem by a trapezoidal thread. Strong magnets are designed internally and externally; the handwheel uses the magnetic force of the magnets to rotate the valve stem nut without external contact, ultimately achieving the opening and closing of the valve. Compared with traditional structures, this design only has one sealing structure at the valve cover and valve body location, greatly improving sealing reliability.

This utility model relates to the field of pipeline sealing technology, and in particular to an adjustable expansion sealing ring, aiming to solve the technical problem that existing sealing rings are prone to excessive expansion or deformation in unnecessary areas, leading to a decrease in sealing reliability. Specifically, it includes an inner ring and an outer ring arranged coaxially, with the outer circumferential surface of the inner ring and the inner circumferential surface of the outer ring fixedly connected. The inner ring has an annular support groove inside, and an annular support member is installed inside the support groove. The outer ring has multiple expansion chambers arranged equidistantly along the circumference of the outer ring, and each expansion chamber contains a water-swellable filler. This utility model, by providing multiple independent expansion chambers and corresponding water inlets within the outer ring, ensures that when local leakage occurs in the pipeline, only the filler near the leakage point expands through the water inlet, avoiding unnecessary deformation caused by traditional integral expansion structures and improving sealing reliability.

The utility model relates to fluid control technical field especially relates to a flow path control valve and fluid control device, including the support plate, the flow guide plate, the frame board and the bottom plate that form the overall structure in turn layering together along the thickness direction, the frame board has the opening part, still include the valve plate, the valve plate has the deformation part and the junction part that connect, the valve plate is fixed in the bottom plate through the junction part, and the outer peripheral edge of deformation part exists a part as the free area, and the deformation part can produce the elastic deformation under the pressure effect, the utility model discloses flow path control valve is advantageous to further promote the thin degree of the air leakage valve on one hand, the other hand makes the overflow passage formed after the deformation of deformation part not depending on the hole structure of deformation part can realize the communication of inlet hole and flow guide hole, and therefore deformation part can realize maintaining the overall structure, can better inhibit the risk that deformation part appears the deformation even the cracking because of setting the hole structure, ensure the stability and reliability of control valve work, improve the service life.

The utility model discloses a butterfly valve shaft seal structure, include: valve body, valve stem, rolling bearing, a pair of sealing assembly and a pair of adjustable extrusion subassembly. A pair of sealing assembly respectively fixedly cover the upper and lower sides of valve body, and sealing assembly includes drive top ring and fixed bottom ring, and the drive top ring and fixed bottom ring between the layout has sealing limit ring, and the drive top ring, fixed bottom ring and sealing limit ring between fill have the filler. A pair of adjustable extrusion subassembly respectively cover the two sides of a pair of drive top ring and be opposite, and adjustable extrusion subassembly includes limit loop, and the one side of limit loop close to valve body is equipped with top ring and slides, and the one side of top ring in limit loop is fixedly connected with the connecting spring of even distribution of multiple groups. The utility model discloses a butterfly valve shaft seal structure through the setting of corresponding structure, reduced the filler in the shaft seal mechanism and appeared the situation of loosening, improved the sealing reliability and stability of butterfly valve shaft seal structure.

The utility model belongs to tool fixture technical field, concretely relates to a device of quick clamping and sealing furnace cover of heat preservation furnace, including counterforce frame, bolt and dog claw, one end of dog claw is fixed on counterforce frame, the other end is provided with claw hook, the screw hole on counterforce frame is screwed with bolt, and the bolt is used for supporting counterforce frame outward with fulcrum of small furnace cover top as support, and the claw hook of dog claw is hooked on the convex point of big furnace cover, clamps small furnace cover and big furnace cover, the utility model provides quick clamping and sealing device of heat preservation furnace cover, and the efficiency and sealing reliability of furnace cover installation are improved obviously through the innovative structure design, the defect that the original inclined wedge type clamping device is effectively overcome cumbersome, time -consuming, easy to loosen and leak, realizes the quick, disposable reliable clamping and sealing of heat preservation furnace cover, obviously improves work efficiency, and ensures the sealing reliability in the operation process of heat preservation furnace.

This utility model relates to a wellhead double-seal packer, belonging to the technical field of oil extraction equipment. It includes a packing box, lower sealing packing, an elastic compensation ring, a lower packing gland, an upper sealing packing, and an upper packing gland. The elastic compensation ring comprises an upper compensation ring and a lower compensation ring with conical pressing surfaces. Multiple guide posts are evenly distributed at the bottom of the upper compensation ring, and compensation rubber sleeves are fitted onto the guide posts. The upper and lower connecting flange rings are connected by locking bolts. This utility model, with its double-seal packing and elastic compensation ring, automatically compensates for gaps after wear, improving sealing reliability and reducing leakage rate by over 90%. The compensation spring and rubber sleeve work together to adapt to vibration and pressure changes under different well conditions. The guide posts, stepped holes, and limiting nut structure of the elastic compensation ring provide radial constraint and axial compensation movement space for the compensation ring, ensuring that the compensation force always acts axially on the sealing packing, avoiding force dispersion or uneven loading due to vibration.

The application discloses a sealing assembly and a gas turbine, which comprises a front baffle, a high-pressure finger ring, a low-pressure finger ring and a rear baffle connected in sequence from a high-pressure side to a low-pressure side, wherein the low-pressure finger ring is provided with an axial shoe arranged along an inner ring circumference of the low-pressure finger ring, the axial shoe extends in a direction away from the high-pressure finger ring on the low-pressure finger ring shaft, the axial shoe has a sealing surface facing a central axis of the low-pressure finger ring, and the sealing surface is provided with an abradable seal coating. The sealing assembly of the application, wherein the axial shoe on the low-pressure finger ring and the abradable seal coating on the sealing surface thereof can form self-adaptive contact with a rotor surface, thus ensuring the sealing effect and avoiding scratching the rotor; meanwhile, the finger seal structure can realize high-efficiency sealing in a small axial space, thereby shortening the length of the gas turbine rotor, improving the rotor vibration problem, and significantly improving the sealing reliability and the overall operation efficiency of the gas turbine.

This utility model discloses an introductory device for adding lactobacillus in a beverage manufacturing process, comprising a conveying component and a fixing component. A driving component is located on the top of the fixing component, and an introductory component is located on one side of the driving component. The introductory component includes a second fixing plate, a second connecting plate welded to one side of the second fixing plate, a groove on the top of the second connecting plate, several locking nuts on the top of the groove, a connecting sleeve threaded to the bottom of the locking nuts, a tube at the bottom of the connecting sleeve, a return spring between the tube and the connecting sleeve, a gasket at the bottom of the tube, and an injection tube at the bottom of the gasket. During injection, the gasket, through its flexibility, tightly fits against bottle openings of different diameters and shapes, forming a seamless seal, completely preventing leakage of the lactobacillus solution, avoiding waste of expensive raw materials, preventing contamination of production equipment and the environment, reducing cleaning workload, and ensuring production cleanliness. During injection, the spring can adaptively compress according to the bottle opening size.

The utility model relates to a kind of plug filling nitrogen head structure. Including filling nitrogen head body, inside is formed with the first passageway passing through bottom, respectively with first vacuum air path and nitrogen gas path intercommunication, first vacuum air path is configured to carry out vacuumizing operation to container inside, nitrogen gas path is configured as to fill into nitrogen gas in container;Plug rod, inside is formed with the second passageway passing through bottom, with second vacuum air path intercommunication, second vacuum air path is configured to carry out vacuumizing to plug rod inside, for the sealing assembly of plug rod bottom suction and container mouth sealing of container, the lower end of plug rod and filling nitrogen head body movably connect, upper end and driving mechanism connect, under the driving of driving mechanism, plug rod moves in the first passageway inside filling nitrogen head body, to seal sealing assembly in container mouth, first vacuum air path and nitrogen gas path are integrated in filling nitrogen head body, realize the continuous operation of vacuumizing in container and filling nitrogen;Stable fixed sealing assembly by vacuum adsorption, improve sealing reliability.

The utility model discloses a kind of cowhorn type capacitor end cover sealing structure, it is related to capacitor structure technical field, solve the problem that existing cowhorn type resin end cover is easily sealed failure. Including end cover main body, end cover main body outer periphery is sealedly connected with capacitor shell, two through connecting holes are set in end cover main body, sealing assembly and connecting assembly are equipped in connecting hole, sealing assembly includes two sealing pad layers of upper and lower and the connecting sleeve of connecting two sealing pad layers, connecting sleeve passes through connecting hole, two sealing pad layers are respectively abutted on the upper side and lower side of cover plate main body, connecting assembly includes rivet and connecting terminal, rivet passes through connecting sleeve and the lower end of connecting terminal, connecting terminal lower end and two sealing pad layers are clamped and fixed on end cover main body. By terminal riveting, sealing pad layer is tightly compacted, sealing pad layer and end cover main body are tightly adhered to realize the sealing of terminal part, reach the effect of reducing cowhorn type capacitor roll groove seal and terminal riveting part liquid leakage.

The utility model discloses an electric rice cooker, including the pot body with inner pot and the pot cover with metal inner cover, the inner pot is equipped with the first sealing surface, the metal inner cover is equipped with the second sealing surface, the first sealing surface and the second sealing surface are pasted and form the rigid sealing area of annular, still include the fan and the air duct with outside communication, the air duct is along the rigid sealing area circumferential arrangement, the fan is used to send the wind of outside into the air duct, to make the wind flow through the air duct and cool the rigid sealing area. The utility model discloses an electric rice cooker, the steam produced when cooking meets the rigid sealing area of low temperature and will become condensed water, and the condensed water will fill the gap between the metal inner cover and the inner pot and form water seal, which can effectively improve the sealing effect between the metal inner cover and the inner pot, thereby effectively avoiding air leakage.

The utility model provides a kind of pressure sensor for automobile. Including trachea and pressure sensor body, the connecting seat is connected on the trachea, the threaded barrel is threadedly connected in the connecting seat, the ring plate is installed on the threaded barrel, the guide rod is installed on the ring plate, the sliding block is slidably installed on the guide rod. In the utility model, by adopting the cooperation structure of limiting groove and limiting clamping block, combined with the design of spring-driven stop plate, the quick clamping and separation of pressure sensor body and threaded barrel is realized, replacing traditional threaded screwing connection, greatly improving the disassembly and assembly efficiency, while reducing mechanical wear during disassembly and assembly process, avoiding the problem of thread slipping that is easy to occur after traditional threaded connection is disassembled multiple times, prolonging the service life of components, sealing is realized through the sealing ring above the threaded barrel, replacing the sealing method of raw material belt winding, which simplifies the installation steps and improves the sealing reliability, ensuring the stability of pressure monitoring.

The application discloses a kind of based on sea condition multimodal perception's offshore dynamic docking sealing method, obtains propagation path parameter and calculates initial fluctuation index, obtains the deviation value sequence corresponding to path fluctuation;Get the corrected attitude vector;By weighted fusion method, reduce the credibility weight of corresponding direction data, and recalculate overall credibility distribution;Determine the optimized attitude vector;Judge whether path fluctuation is stable, if unstable then iteration updates deviation value sequence;Get final position attitude calculation result, for the correction of docking position deviation, output accurate docking instruction sequence.The application enhances the buffering and absorption capacity of equipment to external impact, prevents rigid collision and sealing failure caused by sudden surge or flow field pulsation, improves the safety, flexibility and sealing reliability of offshore dynamic docking.

The utility model relates to a kind of enhanced edge sealing teflon adhesive tape structure, include non-active PTFE film, first fluorine rubber being arranged in non-active PTFE film layer lower layer, active PTFE film being arranged in first fluorine rubber lower layer, second fluorine rubber being arranged in active PTFE film lower layer, viscose layer being arranged in second fluorine rubber lower layer;The first fluorine rubber and active PTFE film are mutually staggered and set multiple layers;So first fluorine rubber and second fluorine rubber overflow after heat pressing to form ladder with non-active PTFE film layer and active PTFE film;First fluorine rubber and second fluorine rubber overflow end are smeared with bisphenol AF for vulcanization;The utility model forms ladder overflow glue by active PTFE film and fluorine rubber superposition heat pressing Form mechanical anchoring effect, lock interfacial, block edge permeation path, and bisphenol AF is in edge local crosslinking fluorine rubber, form the "sealing frame" of high crosslinking density, so as to can significantly improve edge sealing reliability.

The utility model discloses a shaft sealing structure of a circulating pump of a heat pump salt-making evaporation tank, which belongs to the technical field of pump shaft sealing in a heat pump salt-making process and comprises a shaft and a shaft sleeve sleeved on the shaft, an impeller is mounted at one end of the shaft, a bearing box is arranged at the other end of the shaft, and a sealing compression ring is arranged at one end of the shaft sleeve close to the impeller. The sealing pressing ring is connected with the end of the shaft sleeve, an annular sealing groove is formed between the sealing pressing ring and the end face of the shaft sleeve, and a rubber O-shaped ring is assembled in the annular sealing groove. According to the modular design of the structure, the sealing pressing ring and the sealing ring are more convenient to mount and dismount, later maintenance and replacement are facilitated, and the maintenance cost and the downtime are reduced. On the whole, the sealing structure not only improves the running safety and reliability of the pump shaft, but also prolongs the service life of the equipment, and improves the running stability and production efficiency of the heat pump salt manufacturing core equipment, namely the evaporation tank circulating pump.

The application discloses a high water-absorbing resin SAP-based oil casing thread grease, which is composed of the following components: base oil 20-40%, thickening agent 10-20%, solid lubricant 20-45%, tin-phosphor bronze 5-10%, high polymer water-absorbing resin SAP powder 5-15%, and antioxidant and preservative 1-5%, and the sum of the above mass percentages is 100%. The application further discloses a preparation method of the high water-absorbing resin SAP-based oil casing thread grease. The application further discloses application of the high water-absorbing resin SAP-based oil casing thread grease in oil and natural gas drilling oil pipes and casings. The high water-absorbing resin SAP-based oil casing thread grease, the preparation method and the application thereof disclosed by the application solve the problem that the existing thread grease has limited friction resistance and pressure resistance, and the contained grease volatilizes at high temperature to form a leakage channel, thereby resulting in poor sealing performance.

This invention relates to the field of solenoid valve technology, specifically to a small-flow solenoid valve that combines structural support and flexible sealing. It includes a stainless steel sleeve, with a magnetic core slidably connected inside the sleeve. A plug is slidably connected inside the sleeve above the magnetic core, and a cylindrical spring is fitted inside the plug. A coil cover is installed outside the sleeve, and an electromagnetic coil is wound around it. A brass or stainless steel valve seat is fixedly connected to the outer wall of the sleeve below the magnetic core, and a return spring is fitted on the inner wall of the brass or stainless steel valve seat. This invention precisely adapts to the transition between small and medium flow rates, solving the problem of flow polarization in existing solenoid valves. It meets the actual usage needs of small-flow refrigeration units such as air conditioners and ice makers, eliminating the need for customized products and reducing adaptation costs for OEMs.

The invention discloses a charging base module and a charging base. The charging dock module includes: a housing having a columnar portion and a terminal jack formed in the columnar portion; the terminal is inserted into the terminal jack of the columnar part; the temperature sensor is arranged in the terminal jack, and a lead of the temperature sensor is led out from the rear end of the columnar part; the wire is electrically connected to the rear end of the terminal and is led out from the rear end of the columnar part; the waterproof cement wraps the wire and the lead wire and is positioned outside the rear end of the columnar part; and the heat shrink tube is sleeved and thermally shrunk on the waterproof cement and the rear end of the columnar part. The waterproof cement and the heat shrink tube together form a sealing assembly used for achieving sealing between the wire and the shell and sealing between the lead and the shell. According to the invention, the sealing assembly formed by the waterproof cement and the heat shrink tube can reliably realize the sealing between the plurality of wires and the shell, and the sealing reliability is improved.