32results about How to "Good sealing contact" patented technology

The loose-flange type fitting according to the present invention is closely sealed with an elastic gasket whose both the sides and outer circumferential face are pressed against a pipe collars and a reinforcing ring so that the seal contact therebetween increases in degree together with rising of a tubeside internal pressure, in which the seal material comprising an annular elastic gasket, a metallic reinforcing ring disposed on the outer circumferential side of the elastic gasket and the inner circumferential face of the elastic gasket having substantially a V-shaped cross-section and the axial width of the gasket being broader than that of the reinforcing ring under non-compression conditions.

A purging station with a substrate container receiving zone having at least one upwardly extending purging nozzle. The nozzle has a circular engaging lip. The substrate container has support means for at least one substrate and a purge port assembly that includes an externally facing sealing flange facing downward from the container. The sealing flange has a central aperture and a cantilevered flange portion that engages with the circular engaging lip of the nozzle. The weight of the substrate container on the nozzle carried by the canilevered portion of the flange causes bending of the flange for a resilient soft seal.

A purging station with a substrate container receiving zone having at least one upwardly extending purging nozzle. The nozzle has a circular engaging lip. The substrate container has support means for at least one substrate and a purge port assembly that includes an externally facing sealing flange facing downward from the container. The sealing flange has a central aperture and a cantilevered flange portion that engages with the circular engaging lip of the nozzle. The weight of the substrate container on the nozzle carried by the canilevered portion of the flange causes bending of the flange for a resilient soft seal.

An articulated hinge for mounting a cover to the open bed of a vehicle includes first and second arms pivotally interconnected at medial portions thereof in a scissors-like configuration. First and second links are pivotally connected to the rearward and forward ends, respectively, of the second arm. The forward end of the first arm and the outer end of the first link are pivotally connected to the cover in a longitudinally spaced apart relationship, and the rearward end of the first arm and the outer end of the second link are pivotally connected to the vehicle bed in a longitudinally spaced apart relationship, such that vertical translation of the rear of the cover shifts the same between open and closed positions. An adjustment mechanism is associated with the second link and varies the distance between the opposite pivot points on the second link while permitting pivotal motion about the same. Manipulation of the adjustment mechanism achieves substantially vertical translation of the cover as it shifts into and out of the closed position to facilitate sealing contact between the cover and the vehicle bed.

A polymeric pipe fitting assembly for joinder with a polymeric pipe section without using adhesives or other chemicals comprises a polymeric fitting and an elastomeric gasket formed as a unit, preferably by molding. The fitting has a main body portion with a pipe-receiving socket portion at one end. The gasket has a first axial portion molded in intimate sealed surface engagement interiorly within the socket portion and a second integral axial portion projecting axially from the socket portion. The axial portions of the gasket form a continuous interior wall surface for receiving a polymeric pipe section in peripheral surface contact with an exterior surface of the pipe section. The second axial portion of the gasket is encircled by a mechanical clamping device for sealing the gasket against the exterior of the pipe section.

A flow control device for a heat exchanging system comprises a shell, a valve element and a transmission element; the shell forms a containing part, a first connection port and a second connection port; the valve element comprises a body part, a first circulating channel and a sealing contact part; the first circulating channel comprises at least one circulating port which outwards penetrates thebody part; the valve element can move relative to the shell; the first connection port and the second connection port can be connected through the first circulating channel; the sealing contact part and the inner periphery side of the shell are in movable sealing arrangement; the inner periphery side of the shell is provided with the shell contact part making contact with the sealing contact part;and the inner sealing performance of the product is improved.

The invention discloses a waterproof self-locking radio-frequency coaxial connector assembly. The assembly comprises male and female radio-frequency coaxial connectors; the male connector comprises a cylindrical clamping jaw, a bush and a thread sleeve; a conical hole and a clamping jaw annular bulge are arranged at the front end of a cylindrical body of the clamping jaw; the clamping jaw annular bulge is provided with an outwards tilted radial conical surface which is tilted outwards and radially; an outer threaded section is arranged on the outer wall surface of the bush; the thread sleeve is provided with an inner threaded section and a first thread sleeve annular bulge which is bulged inwards; the thread sleeve is in threaded connection with the outer threaded section of the bush through the inner threaded section; the first thread sleeve annular bulge props against the outer conical surface when the thread sleeve is moved forwards through manual screwing; the outwards tilted radial conical surface of the clamping jaw props against a female annular bulge; the assembly further comprises a cylindrical waterproof sleeve made of an elastic waterproof material; and two ends of the waterproof sleeve tightly sleeve a female outer conductor and a cable respectively. According to the assembly, the female and male connectors are not mutually rotated and moved after being inserted and combined, so that stable dynamic intermodulation and stable radio-frequency signal transmission are achieved and the waterproof effect is good.

A valve assembly for a viscous clutch includes an orifice plate defining a bore to allow the passage of a fluid through the orifice plate, a reed valve secured relative to the orifice plate, an armature comprising a magnetic flux-conducting material, an anchor spring secured to the armature, and a stiffening plate. The reed valve includes a tongue configured to selectively cover the bore of the orifice plate, and a first pivot location along the tongue. A second pivot location is defined along the anchor spring at an edge of the stiffening plate. The first and second pivot locations are spaced from each other. The armature is configured to selectively apply a force to the reed valve to pivot at least a portion of the tongue about the first pivot location.

A floor display comprises a window plate (2) made from a transparent material, a baseplate (3), and a frame made from flexible material, the frame (4) extending around the two plates (2, 3) and holding them together, it being possible for an exchangeable image carrier (21) made of material in sheet or film form to be placed between the plates (2, 3), the frame (4) being nonreleasably connected, by means of a bonded join, to substantially the entire peripheral edge (9) of the window plate (2), and the frame (4) furthermore being nonreleasably connected, by means of a bonded join, to at most two peripheral edge sides (10) of the baseplate (3).

A waste device including a container having a bottom and a circumferential wall, wherein the container has a container opening on the end remote from the bottom and closing means positioned near the container opening for substantially closing the container opening in such a way that odor release is prevented. The closing means includes a drum housing and a drum body being pivotable between an insertion position wherein refuse is placeable in a transport container, and a transit position wherein the transport container is aligned with the drum opening. The waste device further including a flexible sealing member having a connection part that is located radially outwards, and that is connected to the drum housing, and having a sealing part that extends radially inward from the connection part and which may be brought into sealingly contact with the external surface of the drum body for sealing the container opening in a substantially odor-free manner.

The invention discloses an electric fuel pump for an automobile. The electric fuel pump for the automobile comprises a pump case, a pump head component, a back cover component, an electric motor component installed inside the pump case, and a pump body component. The pump head component comprises a pump cover made of a plastic material, an anode insertion piece and a cathode insertion piece that are fixed on the pump cover. The anode insertion piece and the cathode insertion piece run through the upper end face and the lower end face of the pump cover, wherein a sealing ring is fixedly sleeved on the lower-half periphery of the connected portion among the anode insertion piece, the cathode insertion piece and the pump cover, with the lower end of the sealing ring being away from the lower end face of the pump cover by a certain distance. The anode insertion piece, the cathode insertion piece, the sealing ring and the pump cover are integrally injection molded. With the electric fuel pump for the automobile, the problem of leaking the fuel inside the fuel pump from the surfaces of the anode insertion piece and the cathode insertion piece can be thoroughly solved, thereby ensuring the safety of driving.

The invention relates to an MCB circuit breaker wiring terminal protection device. The device comprises a base (1), a cover cap (2), a rotary base (3) and two protective covers (4), the base (1) is ofa circular tube structure, and two fulcrum bolts (12) are symmetrically arranged on the end face of the base (1). The rotating base (3) is of a round cover structure, and two transmission plug pins (31) are symmetrically arranged on the inner surface of the end face of the rotating base (3). The rotary base (3) is arranged in the cover cap (2), and circular through holes are formed in the front end surface and the rear end surface of the cover cap (2) and the end surface of the rotary base (3); the round through hole in the rear end face of the cover cap (2) is hooped on the base (1), a fixing hole (41) and a limiting groove (42) are correspondingly formed in the upper surface and the lower surface of each protective cover (4), and the fulcrum plug pin (11) and the transmission plug pin (31) are inserted into the limiting grooves (42) and the fixing holes (41) of the protective covers (4) respectively. Compared with the prior art, the device has the advantages of simple operation, high protection level and the like.

The invention provides a coupling member for use in the repair of pipes and pipelines of from 90mm to 250mm in diameter, such as those used for the pipeline transportation and delivery of domestic and / or industrial liquids such as water, gas, oil and other petrochemicals. Two coupling members are used for each repair. Each has a first collar portion for surrounding the new pipe section and a second collar portion for surrounding a cut end portion of the old pipe section, and the two pipe connectors are located with their respective first collar portions adjacent to one another and their respective second collar portions facing mutually outwardly towards the opposite ends of the new pipe section. Pressure chambers are formed between the annular grooves and the seal members of the first collar portions and between the annular grooves and the nitrile rubber sealing rings of the second collar portions.

A door system for a vacuum train is shown which comprises at least one vehicle (3) with at least one vehicle door (2) and a track for the vehicle comprising at least one evacuated pipe (10) and / or tunnel for the vehicle and guiding and propelling elements for the vehicle within the pipe and / or tunnel. The track comprises at least one station (20) outside of said pipe and / or tunnel with at least one station door (4) being arranged within the wall of the pipe and / or tunnel to selectively close and open the station towards the pipe and / or tunnel, the vehicle door and the station door being arranged to be in a corresponding position when the vehicle is at rest at the station, so that persons can leave or enter the vehicle when the vehicle door and the station door are open at the rest position of the vehicle. And the door system comprises at least one inflatable and deflatable ring shaped seal (22) which surrounds both doors when the doors are in their corresponding position and which seals in its inflated position both doors against the vacuum within the pipes and / or tunnels by filling the gap between the vehicle outer surface and the pipe and / or tunnel wall at the station and which does not fill the gap when being in its deflated state. Thereby the amount of air to be removed between vehicle and station before the corresponding doors can be opened will be minimized, allowing to minimize the time until the doors can be opened.

A floor display comprises a window plate (2) made from a transparent material, a baseplate (3), and a frame made from flexible material, the frame (4) extending around the two plates (2, 3) and holding them together, it being possible for an exchangeable image carrier (21) made of material in sheet or film form to be placed between the plates (2, 3), the frame (4) being nonreleasably connected, by means of a bonded join, to substantially the entire peripheral edge (9) of the window plate (2), and the frame (4) furthermore being nonreleasably connected, by means of a bonded join, to at most two peripheral edge sides (10) of the baseplate (3).

The invention discloses a nanofiltration industrial waste water integrated treatment system. The system comprises a barrel. A filtering mechanism comprises a mounting top plate, a filter drum and a mounting bottom plate. The filter drum is arranged between the mounting top plate and the mounting bottom plate. The filter drum comprises multiple struts and multiple nanofiltration membrane assemblies. One axial ends of the struts are fixed to the mounting bottom plate, and the other axial ends of the struts are detachably connected to the lower plate surface of the mounting top plate. Mounting grooves are formed in the side walls of the struts in the axial direction, and the nanofiltration membrane assemblies are clamped into the mounting grooves of two adjacent struts through clamping platesto be fixed. The mounting top plate is clamped at the open end of the barrel, and the filter drum is arranged in the barrel. A stirring mechanism comprises a mounting base plate and a stirring shaft,the stirring shaft penetrates through the mounting top plate in a clearance fit mode to stretch into the filter drum, and stirring blades are arranged on the shaft section, located in the filter drum, of the stirring shaft. The filtering mechanism and the stirring mechanism are arranged in the barrel at the same time and act jointly, blockage in the filter drum can be effectively avoided, and thefiltering effect is further improved.

A rotary engine and a hydraulic motor including non-rotary outer and inner casings; a power shaft with an eccentric part; a driving eccentric ring between the outer and inner casings and mounted on the eccentric part; a combustion or pressure chamber between the eccentric ring and the inner casing such that the eccentric ring drives the power shaft by substantially non-rotating eccentric movement; dividers for dividing the combustion chamber into at least two parts, the dividers extend through the inner casing and are in contact with an inner surface of the driving eccentric ring; and an eccentric device (or control) for driving the dividers back and forth with respect to the inner casing. The eccentricity of the eccentric device corresponds with the eccentricity of the eccentric part of the power shaft. The eccentric device has a guide groove which implements an eccentric path and to which the dividers are connected.

The invention discloses an improved hydraulic cylinder. The hydraulic cylinder comprises a cylinder body and a piston rod; a piston is fixed at the tail end of the piston rod, a groove is formed in the side wall of the piston, and a first sealing ring is arranged in the groove; the first sealing ring comprises clamping pin parts at the two ends, a first rubber part is fixedly connected to the inner side of each clamping pin part, and a second rubber part is fixedly connected between the two first rubber parts; clamping grooves are formed in the side walls of the groove, an inner sleeve is movably clamped in each clamping groove through a rubber hoop, the clamping pin parts are fixedly connected with the inner sleeves, a limiting groove is formed in the inner side of each clamping groove, and a limiting pin which is selectively inserted into the corresponding limiting groove is fixed on each inner sleeve; and the inner side of each first rubber part is fixedly connected with a first flexible supporting rod, the inner side of the second rubber part is fixedly connected with a second flexible supporting rod, the second flexible supporting rod is connected with the groove, and the first flexible supporting rods are connected to the side wall of the second flexible supporting rod. According to the improved hydraulic cylinder, the defects in the prior art can be overcome, and the service life of an oil seal structure of the hydraulic cylinder is prolonged.

The invention discloses an electric fuel pump for an automobile. The electric fuel pump for the automobile comprises a pump case, a pump head component, a back cover component, an electric motor component installed inside the pump case, and a pump body component. The pump head component comprises a pump cover made of a plastic material, an anode insertion piece and a cathode insertion piece that are fixed on the pump cover. The anode insertion piece and the cathode insertion piece run through the upper end face and the lower end face of the pump cover, wherein a sealing ring is fixedly sleeved on the lower-half periphery of the connected portion among the anode insertion piece, the cathode insertion piece and the pump cover, with the lower end of the sealing ring being away from the lower end face of the pump cover by a certain distance. The anode insertion piece, the cathode insertion piece, the sealing ring and the pump cover are integrally injection molded. With the electric fuel pump for the automobile, the problem of leaking the fuel inside the fuel pump from the surfaces of the anode insertion piece and the cathode insertion piece can be thoroughly solved, thereby ensuring the safety of driving.

A flow control device for a heat exchanging system comprises a shell, a valve element and a transmission element; the shell forms a containing part, a first connection port and a second connection port; the valve element comprises a body part, a first circulating channel and a sealing contact part; the first circulating channel comprises at least one circulating port which outwards penetrates thebody part; the valve element can move relative to the shell; the first connection port and the second connection port can be connected through the first circulating channel; the sealing contact part and the inner periphery side of the shell are in movable sealing arrangement; the inner periphery side of the shell is provided with the shell contact part making contact with the sealing contact part;and the inner sealing performance of the product is improved.

The invention relates to the technical field of metering instrument protection safety, in particular to a reliably-sealed metering instrument shell. The reliably-sealed metering instrument shell comprises a first shell and a second shell which is matched with the first shell, wherein a sealing part is arranged between the first shell and the second shell; the first shell or the second shell is provided with a bump matched with the sealing assembly; the first shell is a base meter shell; the second shell is a bottom plate or a side plate; and the bottom plate or the side plate is provided witha bump matched with the sealing part. Through adoption of the reliably-sealed metering instrument shell, good positioning for the sealing part is realized, and the sealing effect is achieved. Meanwhile, the edge periphery of the bump can hermetically contacted with the inner wall of the shell, so that the sealing area is enlarged, and the sealing effect is improved further.

A valve assembly for a viscous clutch is disclosed, the valve assembly comprising: an orifice plate defining an aperture to allow fluid to pass through the orifice plate; a reed valve fixed relative to the orifice plate; including a magnetic flux conducting An armature of material; an anchor spring secured to the armature; and a reinforcing plate. The reed valve includes a tongue configured to selectively cover the aperture of the orifice plate and a first pivot location along the tongue. A second pivot position is defined along the anchor spring at the edge of the reinforcing plate. The first and second pivot positions are spaced apart from each other. The armature is configured to selectively apply force to the reed valve to pivot at least a portion of the tongue about the first pivot position.

The invention relates to a waste disposal plant comprising a container (12) having a bottom (24), a peripheral wall (26), and a cover (16) closing the opening of the container. The cover (16) includes a drum shell (58) and a can body (78) pivotally connected to the cover (16). The waste disposal equipment (10) also includes a flexible seal (64) connected to the drum housing (58), which has a sealing portion extending radially inward from the connecting portion, and which can reach the drum body (78) The outer surface of the container is in sealing contact so as to seal the opening of the container in a substantially odor-free manner. According to the invention, the end of the flexible seal (64) remote from the connecting portion does not have any connection with the drum shell (58), so that a freely movable free end of the flexible seal (64) is formed.

The invention relates to a seal ring on a cover plate component, the cover plate component, an upper cover component and an electric appliance. The seal ring comprises an installation part and a sealing part which are integrally connected, the longitudinal cross-section of the installation part is shaped like an upside-down L, the installation part is installed on one side face of the cover platecomponent in a sealed mode, and the sealing part extends out of one side face of the cover plate component in the direction deviating from the cover plate component; when the cover plate component isbuckled on a cooking ware, the sealing part abuts against the edge of an opening of the cooing ware, the side face, located in the cooking ware, of the sealing part is the water diversion cambered surface, and the end, far away from the cover plate component, of the water diversion cambered surface is located under or on the outer side of the end close to the cover plate component. Accordingly, when the arranged sealing part abuts against the edge of the opening of the cooking ware, the side face, located in the cooking ware, of the sealing part is the water diversion cambered surface, condensate water can slip down from the seal ring, the seal ring keeps an anhydrous state, and the phenomenon that in the cooking process, due to the fact that steam condenses, water is accumulated in the cover plate component can be avoided; soup or rice grains splashed on the water diversion cambered surface are convenient to clean away.

The invention discloses a screen printing mold and a screen printing machine. The top of the screen printing mold forms a first mold cavity and a second mold cavity respectively along the / or a bending mold cavity corresponding to the curved surface of the arched workpiece; the screen printing mold is provided with a pivot structure, the rotation axis of the pivot structure is parallel to the Y-axis, and the rotation axis Adjacent to the avoidance part and / or the curved mold cavity; the bottom surface of the first mold cavity and the bottom surface of the second mold cavity are provided with vacuum holes; the screen printing mold also includes a suction nozzle fixedly installed in the vacuum hole. The component includes a tube body and a flexible suction nozzle located at the upper end of the tube body. The upper end opening of the flexible suction nozzle protrudes from the bottom surface of the corresponding first mold cavity and the bottom surface of the corresponding second mold cavity. The Y-axis, the X-axis and the Z-axis corresponding to the vertical direction are perpendicular to each other. With the invention of the screen printing mold, the workpiece can be accurately fixed, and the pressure of the scraper of the scraper mechanism is stable, which improves the efficiency and quality of convex printing of arched workpieces.

The invention relates to a seal ring on a cover plate component, the cover plate component, an upper cover component and an electric appliance. The seal ring comprises a mounting portion and a sealingportion which are integrally connected; the vertical section of the mounting portion is represented into an inverted L-shaped form and the mounting portion is arranged on one side face of the cover plate component in a sealed mode; the sealing portion extends from one side face of the cover plate component along a direction back away from the cover plate component; the sealing portion abuts against an opening edge of a cookware and the side face, which is located within the cookware, of the sealing portion is a water diversion inclined plane when the cover plate component is buckled on the cookware; and the end, away from the cover plate component, of the water diversion inclined plane is located below or at the outer side of the end, close to the cover plate component, of the water diversion inclined plane. According to the seal ring provided by the invention, by arranging the water diversion inclined plane, condensed water can slide down from the seal ring in one hand, so that the seal ring can be kept under a water-free state, and a phenomenon of water accumulation in the seal ring due to vapor condensation in a cooking process can be prevented; and in the other hand, soup or rice grains, which splash on the water diversion inclined plane, can be conveniently cleaned.