36results about How to "Improve internal sealing" patented technology

A glass sintering sealed through-wall electric coupler comprises a conductor insertion needle (11), first ceramic insulators (13), a glass insulator (12), second ceramic insulators (14) and a shell (15). Bosses (131) protruding outwards are arranged on the back end surfaces (132) of the first ceramic insulators (13), cavities (141) sunken inwards are formed in the front end surfaces (142) of the second ceramic insulators (14), and the bosses (131) extend into the cavities (141) in the axial direction. The first ceramic insulators (13) or the second ceramic insulators (14) are installed on the shortest path from any point on the conductor insertion needle (11) to the shell (15). According to the electric coupler, the creep distance of any point on the conductor insertion needle (11) to the glass interface of the shell (15) is increased, and therefore the insulation resistance and the voltage-resistance performance of the coupler are improved.

The present invention relates to a cosmetic container having an inner container and a sealing structure for an inner container cap and, more specifically, to a cosmetic container having an inner container and a sealing structure for an inner container cap in which an outer wall of the inner container is formed to have a larger diameter than a sealing projecting ring formed on the lower portion of the inner container cap such that the sealing projecting ring is forcibly inserted into the outer wall of the inner container, and a first hinge block having an oval hinge hole formed therein is formed on a side of the inner container such that a hinge pin is able to move up and down in the hinge hole, thereby enhancing a force for sealing the interior of the inner container when the inner container is closed.

Provided are spacers, ion-exchange devices comprising spacers, and methods of preparing spacers for improved fluid distribution and sealing throughout an ion-exchange device. These spacers can include an internal cavity surrounded by a perimeter of the spacer. The perimeter can have a first opening and a second opening within the perimeter, and the first opening and the second opening can be located on opposite sides of the internal cavity. The spacers can also have a first and second plurality of channels located within the perimeter, wherein each channel of the first and second plurality of channels extends from the internal cavity towards the first opening or the second opening.

The invention relates to a bidirectional internal sealing structure of a mechanical vibrator. The bidirectional internal sealing structure of the mechanical vibrator comprises a spring, a piston and a Y-shaped sealing ring, wherein the piston is arranged on one side of the spring and is in tight contact connection with the spring; an annular groove and a rectangular groove are formed on the piston; the Y-shaped sealing ring is arranged in the rectangular groove of the piston; the Y-shaped sealing ring is a bidirectional Y-shaped sealing ring consisting of two Y-shaped sealing rings; directions of lips of the two Y-shaped sealing rings are opposite; and the bidirectional Y-shaped sealing ring is sealed at the piston to achieve a bidirectional self-sealing effect, so as to improve a sealing effect of the bidirectional Y-shaped sealing ring between the piston and a piston sleeve. The bidirectional internal sealing structure of the mechanical vibrator has the main advantages that: the bidirectional Y-shaped sealing ring, a piston ring, the spring and other components act together to form a high-efficiency internal sealing system, so that the internal sealing performance of the mechanical vibrator is effectively improved and the service life of the mechanical vibrator is prolonged.

The invention discloses an environment-friendly ore crushing device for metal smelting. The environment-friendly ore crushing device comprises a left side rod, a fixed base and a right side rod. The left side rod is fixedly connected to one side of the top end of the fixed base, and the right side rod is fixedly connected to the other side of the top end of the fixed base. A transmission platformis arranged at one end of a supporting rod, and a transmission motor is fixedly connected to one side of the transmission platform. The environment-friendly ore crushing device is provided with a cleaning structure, and after dust raising during work in the environment-friendly ore crushing device, the environment-friendly ore crushing device is well cleaned; and the problem that traditional ore crushing equipment is not provided with a cleaning structure, and consequently dust raising pollution is serious is solved.

The invention relates to the technical field of multi-channel sealing elements, in particular to a multi-channel reversing ball valve with a modular quick release mechanism, the ball valve comprising a main valve body and a pneumatic actuator. The multi-channel reversing ball valve with the modularized quick-release mechanism is formed by fixing an upper valve body and a lower valve body which are modularly designed with bolts, the installation is less limited, the external space occupied can be greatly reduced by adopting an integrated assembly mode, and the production and machining cost is reduced; a detachable middle sealing isolation transmission mechanism is fixedly connected to the interior of an external assembling sinking groove of the assembling ends of the upper valve body and the lower valve body, so that mutual blow-by during rotation of ball bodies in different intensities is avoided, and the internal sealing performance is improved; the control modes of the whole ball valve are more diversified, and the application range is wider; and an internal transmission mechanism and a sealing mechanism of the whole reversing ball valve are assembled by adopting a split structure, so that the cost for later detection and use is reduced.

The invention discloses a slurry retaining wall drilling sediment treatment device for building pile foundations. The slurry retaining wall drilling sediment treatment device comprises a building foundation and a first mechanical arm, wherein retaining walls are fixedly installed at the two ends of the inner surface of the building foundation, drilling holes are formed in the lower portion insidethe building foundation, a rotating disc is arranged at one end of the first mechanical arm, and a second mechanical arm is arranged at the lower end of the rotating disc; a device shell is fixedly installed at the lower end of the second mechanical arm, a maintenance door is movably installed on the front surface of the device shell, a hydraulic lifting column is arranged at the lower end of thedevice shell, and an air blowing straight pipe is fixedly installed at the middle of the lower end of the hydraulic lifting column; and the two sides of the lower end of the hydraulic lifting column are each provided with an air blowing branch pipe, and the two sides of the lower end of the device shell are each provided with a dredging pipe. The slurry retaining wall drilling sediment treatment device for the building pile foundations is simple in structure, and lifting of the device can be controlled; and meanwhile, sediments in holes can be blown out in all directions, the sediments can bewetted, slurry can be pumped out, and the sediment treatment efficiency can be improved.

The invention provides an integrated water heater with adjustable assembly. The integrated water heater comprises an installation bottom shell, a heating protective shell, a control panel and a heating main body, wherein the heating main body is installed in the heating protective shell, an adjusting assembling unit for adjusting the installation level of the heating protective shell are arrangedin the installation bottom shell, the assembling unit is distributed on the outer side surface of the heating protective shell, the heating protective shell is provided with a protective cover which is positioned and installed on the heating protective shell, the protective cover is provided with a quick installing hole, the control panel is provided with a fastening column and a sealing layer, the fastening column is fastened in the quick installing hole, and meanwhile, the sealing layer is hermetically connected between the control panel and the protective cover. According to the integratedwater heater, the structural stability is high, the control panel can be quickly assembled and disassembled, the influence of the assembling environment is reduced, the assembling precision is improved, meanwhile, the internal sealing performance is enhanced, the vapor influence is reduced, the service life of the integrated water heater is prolonged, and the use quality of the integrated water heater is guaranteed.

The invention relates to the technical field of profile steel machining and production, in particular to a lifting type quenching mechanism for profile steel machining and production. The lifting type quenching mechanism comprises a main frame body with a built-in gravity conveying mechanism, an electric lifter, a centrifugal air pump and an infrared control switch. According to the lifting type quenching mechanism for profile steel machining and production, a bottom lifting opening is formed in the lower surface of the main frame body, and a bottom quenching groove body internally provided with the electric lifter and a bottom lifting platform is fixed to the lower part of the bottom lifting opening through bolts; and steel on the bottom lifting platform is driven by the electric lifter to enter the bottom quenching groove body for quenching treatment, the bottom quenching groove body is directly installed on an existing conveying belt, so that the structure is more compact, transformation is more convenient, the transformation cost and the adaptation requirement are low, and popularization and promotion are convenient.

The invention provides a marine cable/pipeline fireproof nuclear shielding sealing penetration device, which comprises a frame, and each of a plurality of cables or pipelines penetrates through the frame from a first opening end and penetrates out from a second opening end; the cables or pipelines are sleeved with corresponding anti-radiation fireproof sleeves, the ends of the anti-radiation fireproof sleeves are flush, one end of each anti-radiation fireproof sleeve retracts into the first opening end by a first preset distance, and the other end of each anti-radiation fireproof sleeve retracts into the second opening end by a second preset distance. A nuclear radiation shielding layer and an anti-radiation fireproof sealing glue layer are sequentially laid at the first preset interval and the second preset interval from inside to outside from the end of the anti-radiation fireproof sleeve respectively, and the nuclear radiation shielding layer, the anti-radiation fireproof sealing glue layer and the anti-radiation fireproof sleeve can expand when a fire breaks out. The internal sealing performance of the frame is improved, spreading of flames, smog and heat is blocked, and the A60-level fireproof performance is achieved.

The invention discloses an oil blocking device for a temperature sensor and a manufacturing method of the oil blocking device. The oil blocking device comprises a wire, the head end, the middle and the tail end of the wire are provided with a first oil blocking section, a second oil blocking section and a third oil blocking section respectively, the first oil blocking section is fixed to a guide pipe in a hexagonal cold clamping mode through a cold clamping machine, and the second oil blocking section and the third oil blocking section are fixed to the guide pipe in a common cold clamping mode; the second oil blocking section is composed of an oil blocking sleeve, a glue pouring layer and a silicone rubber layer, the guide pipe is provided with an exposed section in the second oil blockingsection, and the outer side of the exposed section is coated with the silicone rubber layer. The insulation stability and the sealing performance of the exposed part of the wire are guaranteed through the silicone rubber layer and the glue pouring layer in each oil blocking section, the gap between the oil blocking sleeve and the wire is greatly reduced in a cold clamping mode, the internal sealing performance of the wire is improved, the oil leakage phenomenon is thoroughly eradicated, and potential safety hazards are eliminated.

The invention provides a fireproof high-temperature-resistant sealing penetrating device for a marine cable/pipeline. The device comprises a frame, and a plurality of cables or pipelines penetrate through the frame through a first opening end, penetrate out of the frame through a second opening end and are arranged in parallel. Each cable or pipeline is sleeved with a corresponding fireproof pipe sleeve, one end of each cable or pipeline retracts into the first opening end by a first preset distance, and the other end of each cable or pipeline retracts into the second opening end by a second preset distance; a fireproof sealing glue layer and a high-temperature-resistant sealing glue layer are sequentially laid at the first preset interval and the second preset interval from the end of the fireproof pipe sleeve, the fireproof sealing glue layer and the fireproof pipe sleeve can expand when a fire happens, the internal sealing performance of the frame is improved, spreading of flame, smoke and heat is blocked, and the A60-level fireproof performance is achieved.

The invention belongs to the field of marine rotary vane hydraulic steering engines and particularly relates to a movable vane set sealing device of a novel rotary vane hydraulic steering engine. Themovable vane set sealing device comprises sealing ring pressing plates, sealing rings and movable vanes, wherein the movable vanes are connected to a rotor through connection bolts; two sealing ringsand two sealing ring pressing plates are arranged; the two sealing rings are respectively mounted on two sides of each movable vane, and the two sealing ring pressing plates are respectively arrangedon two sides of each sealing ring and are respectively fixed on the movable vane; a lip opening which is turned outwards is arranged on one side of each sealing ring; and a groove opening is formed ineach sealing ring. According to the movable vane set sealing device, the internal sealing performance of the rotary vane hydraulic steering engine is added; the internal leakage of hydraulic oil of the rotary vane hydraulic steering engine is solved, so that the rudder stabilizing performance of the hydraulic steering engine is greatly improved; the rudder operating flexibility of the rotary vanehydraulic steering engine is improved; and all the advantages of the original rotary vane hydraulic steering engine are retained.