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334results about How to "Good sealing performance" patented technology

Multifunctional fiber splitting box

The invention relates to a multifunctional fiber splitting box relating to the technical field of optical fiber communication equipment. The multifunctional fiber splitting box is characterized in that the upper half part inside a box body is provided with a fiber storing and fusing disc; one surface of the fiber storing and fusing disc is provided with an optical branching device installation groove, and the other surface is provided with a fiber fusing disc; the part which is near to middle inside the box body is provided with an adapter bracket; an outdoor optical cable guide hole and a dish-shaped optical cable output end are arranged below the box body; an outdoor optical cable guided into the fiber splitting box, an optical fiber bundle tube with a protective layer removed, a steel wire playing a strengthening role on the outdoor optical cable and a dish-shaped optical cable are all fixed by special fixing structures; and the box body can be hung on a wall or a rod through a wall hanging fixing part or an anchor ear. The invention has the advantages of small and exquisite appearance, reasonable internal setting, very convenient wire arrangement, routing and connection, weather proofing and corrosion resistance and is especially suitable for the reconstruction of urban old areas and countries with dispersed residences; and in addition, one multifunctional fiber splitting box can meet the requirements of 16-32 dispersed resident families on FTTH (Fiber To The Home) directly carried out through the outdoor optical cable and can be popularized and applied due to low manufacture and usage cost.
Owner:昆山市大唐通讯设备有限公司

High-pressure gas circuit connector

The invention relates to a high-pressure gas circuit connector which consists of a plug and a socket, wherein the plug comprises a gas circuit jack, a housing and a nut. The gas circuit jack is provided with a through hole through which high-pressure gas passes; the socket comprises a gas circuit contact pin, a housing and a tail sleeve; the gas circuit contact pin is provided with a through holethrough which the high-pressure gas passes; the plug of the connector is provided with an unlocking sleeve and a locking spring simultaneously; a gland bush and a gasket are arranged in the gas circuit jack; the unlocking sleeve is arranged on the front end of the gas circuit jack; the locking spring is arranged in a cavity formed by the housing, the unlocking sleeve and the gas circuit jack; thesocket is provided with a release sleeve and a release spring simultaneously; the circumference of the side wall of the front end of the housing of the socket is provided with a plurality of holes, inwhich corresponding steel balls are arranged, and each hole mouth is provided with a position limiting structure; and the release sleeve and the release spring are arranged between the housing and the gas circuit contact pin. Due to the sealing performance and a rigidity connection structure, the invention has a self-locking function and can bear and transmit gas with quite high pressure.
Owner:GUIZHOU SPACE APPLIANCE CO LTD

Anchor packer with hydraulic setting function and rotation unsetting function

ActiveCN104863540AGood sealing performanceLong-lasting and effective settingSealing/packingPistonEngineering
The invention relates to an anchor packer with a hydraulic setting function and a rotation unsetting function, and belongs to the field of borehole operation tools for oil gas wells. The anchor packer comprises a center pipe, an upper connector, a lower connector, a pair of slips, a piston sleeve and a release sleeve. The upper connector is arranged at one end of the center pipe, and a C-shaped ring is arranged at the other end of the center pipe. An inner sleeve is arranged on the portion, located on one side of the connector, of the center pipe. An upper slips cone and a lower slips cone are clamped to the inner sleeve through a cone release shaft and key blocks A. The slips are assembled between the upper slips cone and the lower slips cone. The anchor packer is compact in structure, setting and anchoring are achieved, and the unsetting mechanism is exquisite in design; setting is safe, it can be avoided that setting is conducted in advance, and step-by-step unsetting can be easily completed when multiple packers are used at the same time; and the problem that multi-stage unsetting is difficult in the prior art is solved. The anchor packer can bear the pressure from the position above the anchor packer and the pressure below the anchor packer, and is particularly suitable for water (gas) injection, interlayer isolation, split injection and split explosion, multilayer testing and stimulation measure operation in plumb shafts and slightly-deviated wells.
Owner:荆州市赛瑞能源技术有限公司

Easy-stripping type room temperature vulcanizing silicone rubber and preparation method thereof

ActiveCN101724269AGood sealing performanceConvenient secondary maintenanceOther chemical processesSiloxanePlasticizer
The invention provides an easy-stripping type room temperature vulcanizing silicone rubber, which contains hydroxy-terminated dimerization organic group siloxane, a functional filling material, a crosslinking agent, gas phase silicon dioxide, a catalyst, an additive and a plasticizer. The invention also provides a method for preparing the easy-stripping type room temperature vulcanizing silicone rubber, which comprises the following steps: firstly, vacuum-stirring the hydroxy-terminated dimerization organic group siloxane, the plasticizer and the functional filling material in formula proportions in a closed reaction kettle evenly; secondly, adding the crosslinking agent, the gas phase silicon dioxide, the catalyst and the additive in formula proportions in to the closed reaction kettle, and vacuum-stirring the mixture for 30 to 60 minutes; and thirdly, releasing the vacuum by using nitrogen gas, and putting the mixture into a closed packaging container. The easy-stripping type room temperature vulcanizing silicone rubber is particularly suitable for sealing a joint on the surface of a component of a motor vehicle, has excellent sealing performance and stripping performance, and simultaneously is of room temperature vulcanizing type, is cured by moisture, is molded in place and can replace various solid gaskets, so the easy-stripping type room temperature vulcanizing silicone rubber is suitable for manufacturing and maintaining various types of motor vehicles, and can shorten the labour hour and save the cost.
Owner:GUANGDONG HENGDA NEW MATERIALS TECH

Fingertip seal structure and back baffle plate thereof

ActiveCN101749429ALow "hysteresis" characteristicLow Leakage CharacteristicsEngine sealsHigh pressurePressure balance
The invention relates to a fingertip seal structure and a back baffle plate thereof. The fingertip seal structure comprises a front baffle plate (1), a back baffle plate (2) and a plurality of layers of fingertip sheets (3) arranged between the front baffle plate and the back baffle plate, wherein each fingertip sheet is provided with a finger body (6) being a gap form the inner diameter position, and the finger bodies (6) between adjacent fingertip sheets (3) are mutually staggered. A plurality of arc-shaped pressure balance chambers (4) are arranged in the back baffle plate (2), the shape and the arrange means of the arc-shaped pressure balance chambers are consistent with the finger bodies (6), and the width is not larger than that of the finger bodies (6). Space exists between the arc-shaped pressure balance chambers (4) and the inner diameter of the back baffle plate (2), and at the same time the arc-shaped pressure balance chambers (4) are provided with through holes (5) communicated with the back baffle plate (2). The fingertip seal structure eliminates sealing lag and at the same time still can prevent the high-pressure gas in the arc-shaped pressure balance chambers from directly leaking to a low-pressure chamber, so the fingertip seal structure has good sealing performance.
Owner:CHINA GAS TURBINE ESTAB

Device and method for mounting water pipe connector on shell of thermostat

The invention discloses a device and method for mounting a water pipe connector on the shell of a thermostat. The device comprises a mandrel and a mandrel sleeve; the mandrel sleeve is sleeved outside the mandrel; the external diameter of one end of the mandrel sleeve is matched with the internal diameter of the water pipe connector, and the end of the mandrel sleeve is circumferentially provided with at least one through hole; one end corresponding to the through hole, of the mandrel is provided with a conical section with a small end facing to the outside, and the other end of the mandrel extends out of the mandrel sleeve; the through hole of the mandrel sleeve is internally provided with steel balls, and the steel balls abut against the conical section of the mandrel and provided with brims protruding from the through hole; and a threaded matching section is arranged between the mandrel sleeve and the mandrel. The water pipe connector is well mounted on the shell of the thermostat in a sealing way by using the device and the method according to the mechanical stiff extrusion deformation principle. The components of the device have conventional shapes and simple structures and are easy to manufacture. The device has the advantages of low cost and good processing and sealing performances.
Owner:CHONGQING YUTONG MACHINERY

Pre-fabricated building removable partition, wall splicing structure, and construction method

Provided are a pre-fabricated building removable partition, a wall splicing structure, and a construction method. The pre-fabricated building removable partition comprises a wall main body, and a partition removable mechanism and a partition lifting mechanism added on the lower side of the wall main body. The wall main body comprises a cavity formed by a front panel, a rear panel, an upper blanking plate, a lower supporting plate, a right end plate, and a left end plate. A hollow threading lightgage steel joist and cavity filling foam are arranged in the cavity. The partition removable mechanism and the partition lifting mechanism are fixedly connected with the lower supporting plate. The lower sides of the front panel and the rear panel are respectively connected with a skirting board shielding the removable mechanism and the lifting mechanism. Gaps are filled with the cavity filling foam. The top end face of the wall main body is provided with a sealing band which is abutted against a room roof. The pre-fabricated removable partition can be produced and assembled in a factory, and is lifted and installed on an installation site, and the pre-fabricated removable partition has good dimension stability and good sound insulation, and satisfies variable requirement of people on living space. The pre-fabricated removable partition can greatly improve utilization rate of a building space, and promotes development of buildings.
Owner:TIANYUAN CONSTR GROUP

Sealing device of vacuum moving element

The invention provides a sealing device of a vacuum moving element, which comprises a moving element and a sealing ring matched with the moving element, wherein the inner hole wall of the sealing ring, matched with the moving element, is provided with a plurality of annular storing slots; the inner hole wall and the storing slots are all provided with sealing grease layers or lubricant layers; the outer wall of the sealing ring is provided with a plurality of outer ring slots; a sealing circle is embedded into each outer ring slot; and the sealing circles are matched with the sealing inner wall of a cavity body. The sealing device has the bidirectional sealing property, in particular the sealing of excellent sealing property in the frequent large-travel reciprocating motion for a long time under the vacuum or high pressure difference conditions; the inner hole wall of the sealing ring is provided with the storing slots capable of storing a certain amount of sealing grease or lubricant to effectively supplement the sealing grease or the lubricant taken way by the motion of the moving element so as to maintain the excellent sealing property at the same time of reducing motion resistance; and the pretightening force is supplied through the deformation of the sealing circle, the sealing circle can supplement the abrasion of the sealing ring, and thus, the service life of the sealing ring is prolonged.
Owner:FOSHAN JUSHITAI POWDER METALLURGY CO LTD

Multilevel sealed medical puncture outfit

The invention relates to a multilevel sealed medical puncture needle which is mainly suitable for abdominal cavity examinations and an abdominal cavity surgery. Seal rings, straight sealing caps, O-shaped rings and non-resistance seal rings are sequentially arrayed along the center line of an outer tube. After the outer tube is matched with a main body, the outer tube and the main body are sealed through the seal rings, and pressing caps and the main body are welded and then fixed through the straight sealing caps in sealing mode. Clamping caps and the pressing caps are matched and then sealed through the O-shaped seal rings, the pressing caps and the clamping caps are welded and then fixed through the non-resistance seal rings in a sealing mode, and a puncture cone is matched with the outer tube and then sealed through the non-resistance seal rings. Each non-resistance seal ring comprises crumple-shaped thin films and a shooting-type core disc. Each whole non-resistance seal ring is in an integral structure formed in a one-time mode. The multilevel sealed medical puncture outfit is reasonable in design, due to the non-resistance seal rings, the situation that the puncture outfit can move left and right without resistance and not leak when moving front and back in the process of puncturing can be guaranteed, therefore the gas tightness of the puncture needle is guaranteed and the situation that the puncture outfit freely moves in a puncture sleeve is guaranteed.
Owner:ZHEJIANG GEYI MEDICAL INSTR

Spiral pyrolysis reactor

The invention provides a spiral pyrolysis reactor comprising a shell, a material inlet, a pyrolysis gas outlet, a heat carrier outlet and a powdered carbon outlet. The spiral pyrolysis reactor is characterized in that a vertical shaft is fixed in the center of the shell; a spiral baffle plate whose diameter becomes larger gradually is sleeved on the vertical shaft; a spiral bottom plate is fixed and sealed between the bottom of the spiral baffle plate and the vertical shaft from the middle-upper part of the vertical shaft; a spiral sieve mesh in fixed between the bottom of the spiral baffle plate and the vertical shaft from the middle-lower part of the vertical shaft; a spiral slideway is formed by the spiral baffle plate, the spiral bottom plate and the spiral sieve mesh; the upper end of the spiral slideway is supported at the bottom of the material inlet; the heat carrier outlet is arranged on the inner end of the shell and is supported on the tail end of the spiral slideway whose bottom is not sealed; a spiral supporting plate which rotates in the same direction as the spiral baffle plate is sleeved and fixed on the middle part of the spiral slideway whose bottom is not sealed, wherein the vertical shaft is arranged the on the middle part of the spiral slideway; the edge of the spiral supporting plate is slightly larger than the spiral baffle plate which is arranged on the spiral supporting plate and keeps a certain distance with the spiral slideway which is arranged above and below the spiral supporting plate. The spiral pyrolysis reactor integrates the biomass powder reaction with the separation device, has simple structure, good sealing performance and excellent working performance.
Owner:SHANDONG UNIV OF TECH

Drinking water bucket cover and drinking water bucket provided with drinking water bucket cover

The invention discloses a drinking water bucket cover and a drinking water bucket provided with the drinking water bucket cover. The drinking water bucket cover comprises a cover body and an automatic sealing component, wherein one end of the cover body is used for closing the drinking water bucket, and the other end of the cover body is provided with an opening which is communicated with the interior of the drinking water bucket; the automatic sealing component comprises a first valve and a second valve; the first valve is provided with a blind hole and is provided with a first magnet; the second valve is provided with a through hole and is provided with a second magnet with magnetism opposite to first magnetism; the second valve is arranged at the opening and the through hole is communicated with the opening; the first valve is closely attached to the second valve to further seal the through hole through attraction of the two magnets. When the drinking water bucket is arranged on a drinking fountain in an inverted manner, a smart column on the drinking fountain is accommodated in the blind hole through the opening and the through hole, and the first valve is pushed away from the second valve, so that water in the drinking water bucket can flow through the smart column to enter the drinking fountain; the automatic sealing component realizes automatic sealing of the opening. The invention also discloses the drinking water bucket provided with the drinking water bucket cover.
Owner:宿州学院

Integrated anti-leakage type batching valve

The invention discloses an integrated anti-leakage type batching valve which mainly comprises a two-position combined cylinder, a large-flow conical valve, a small-flow conical valve and two compression springs, wherein the small-flow conical valve is arranged in the large-flow conical valve; and the opening and closing of the small-flow conical valve and the large-flow conical valve are controlled by the two two-position combined cylinder and the compression springs. The two-position combined cylinder can be controlled by an electromagnetic valve to produce three working states, namely a state that a material outlet is completely closed, a state that a small-aperture fine material outlet of the material outlet is opened and a state that the material outlet is completely opened. The integrated anti-leakage type batching valve has the advantages of compact and rational structure, good sealing property, high batching speed, high preparation precision and the like; the requirements on the batching speed and precision can be met, and meanwhile, the sanitary environment of a workshop is improved; and the integrated anti-leakage type batching valve is most suitable to be used in a batching system of a cigarette factory and is applicable to other automatic operation on liquid raw materials.
Owner:BAOYING RENHENG IND

Multifunctional hydraulic slippage overlapped full-closed engineering emergency car

The invention relates to a multifunctional hydraulic slippage overlapped full-closed engineering emergency car which comprises an emergency car body, a car large box chassis, a carriage front door and a car back door. The interior of the emergency car body is divided into an upper layer, a middle layer and a lower layer, a hydraulic water pump and a portable flame cutting machine are arranged on the upper layer, an electric welding machine and a plasma cutting machine are arranged in the middle layer, and a road surface hydraulic cutting machine, a hydraulic vibrating tamper and a hydraulic breaking pickaxe are arranged on the lower layer. Push-and-pull jacks are arranged on the two sides of the car large box chassis, a front door lock jack, a back door lock jack and a back door folding jack are arranged inside the carriage front door, an oil pump, a hydraulic oil tank and a hydraulic oil radiator are arranged on the lower portion of the emergency car body, a hydraulic crane, a crane winding machine and a crane main support arm jack are sequentially arranged in front of the back door lock jack, and a construction caution light is arranged at the top of the emergency car body. The multifunctional hydraulic slippage overlapped full-closed engineering emergency car is good in sealing performance, simple in structure, convenient to use, variable in function, low in cost and attractive in appearance.
Owner:河南鑫捷特专用车有限公司

Flammable ice sampling device

The invention discloses a flammable ice sampling device which comprises a rope coring double-pipe structure, wherein the rope coring double-pipe structure comprises an outer pipe assembly and an inner pipe assembly; the outer pipe assembly comprises an outer pipe, a spring stop head, a recovery pipe and a coring drill bit; the spring stop head is installed at the upper end of the recovery pipe; the coring drill bit is installed at the lower end of the outer pipe; the inner pipe assembly comprises an inner pipe, a spear head, a spring, a spring seat, a spring rack, a hanging ring and a breaking device; the spear head is installed in the recovery pipe; the spring is installed on the spring seat and positioned in the spring chamber; the spring seat is installed at the upper end of the spring rack; the bottom of a reed seat is rotatably connected with multiple core protective plates; the multiple core protective plates comprise at least two layers, and the core protective plates at the lower layer are positioned between the adjacent core protective plates at the upper layer; and each core protective plate is eccentrically connected with the reed seat. The flammable ice sampling device disclosed by the invention can improve the tightness of a flammable ice sample, has the advantages of simple structure, strong effectiveness and low production cost and is convenient to use and popularize.
Owner:王佟 +1

Diesel engine oil sump and casting technique

The invention relates to a casting technique of a diesel engine oil sump. The casting technique of the diesel engine oil sump is characterized by comprising the following technique steps: a first step of installing a hot core mold of the oil sump on a horizontal core shooting machine, opening the mold, cleaning a mold cavity, spraying a release agent, assembling the mold, shooting sand, solidifying and opening the mold to take out of a sand core; a second step of deslagging of aluminum water, placing a lift tube into the aluminum water to be fixed in a sealed mode and placed below the mold, aligning the lift tube to a feed port of the mold, at the same time, flaming and heating of the mold and evenly spraying zinc oxide to a mold cavity of the mold; a third step of placing the sand core to a corresponding position in the mold and assembling the mold; a fourth step of heating the aluminum water to carrying out lift pouring to obtain a casting, cooling the casting in the mold cavity of the mold to be condensed and opening a box to take out the casting and a fifth step of removing the sand core in the casting, sawing to remove a pouring gate and a dead head, polishing the casting and carrying out shot blasting to obtain the diesel engine oil sump. The diesel engine oil sump is superior in appearance, good in sealing property, good in mechanical properties and durable, and leakage rate of the casting is reduced.
Owner:无锡市贝尔机械股份有限公司

Underwater robot diving depth self-adjusting device

The invention discloses an underwater robot diving depth self-adjusting device, and relates to the technical field of buoyancy adjusting devices. The underwater robot diving depth self-adjusting device comprises a fixing plate; a sealing ring is fixed to the lower surface of the fixing plate; an adjusting cylinder is fixed to one side of the sealing ring; an adjusting hole is formed in the lower surface of the adjusting cylinder; a movable hole is formed in the upper surface of the fixing plate; a first rotating shaft is fixed in the movable hole; a threaded rod is fixed to the inner wall of the first rotating shaft; a clamping groove is fixed to one end of the threaded rod; a plurality of first clamping blocks are fixed to the surface of the clamping groove; a second rotating shaft is fixed to the other end of the threaded rod; an adjusting plate is fixed to an outer ring of the second rotating shaft; and a spring is fixed to one side of the adjusting plate. Through the action of thethreaded rod, the volume of liquid in the adjusting cylinder can be flexibly adjusted, and the underwater robot diving depth self-adjusting device floats or sinks under the action of buoyancy, so thatthe purpose of adjustment is achieved, the self-adjustment of the diving depth of the underwater robot is realized and the operation requirements of the underwater robot at different depths are better met.
Owner:山东中科伺易智能技术有限公司

High-temperature resisting and high-pressure resisting injecting and extracting integrated double-layer hollow sucker rod

The invention relates to a high-temperature resisting and high-pressure resisting injecting and extracting integrated double-layer hollow sucker rod. In order to overcome the defects that the gas-injecting and oil-extracting two sets of tubular columns are required by the present steam injection oil extracting technology and the sealing effect cannot meet the requirement of a steam injection operation, an upper joint, a rod body and a lower joint of the hollow rod provided by the invention are fixedly connected in turn from up to down; a central pipe is located in the hollow rod; a space between an outer pipe and an inner pipe of the central pipe is hollow and annular; a metal sealing ring I is mounted in an annular slot at an upper end of a connecting thread of the lower joint; a metal sealing gasket is mounted on an upper end face of the connecting thread of the lower joint; and a metal sealing ring II is mounted between a lower end part of the inner pipe of the central pipe and a lower fixing sleeve. The high-temperature resisting and high-pressure resisting injecting and extracting integrated double-layer hollow sucker rod has the beneficial effects that the structure is reasonable; the metal sealing rings are adopted, so that the hollow sucker rod has high-temperature and high-pressure resisting properties and can meet the requirement of the steam injection oil extracting technology; the steam injection and oil extraction producing operation is finished by the next tubular column; and the technical blank of a super heavy oil steam-injecting oil-extracting integrated tubular column is filled up.
Owner:刘铁
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