20 results about "External Lip" patented technology

The present invention relates to a primary gasket (1) for a cylinder assembly (100), wherein said cylinder assembly (100) comprises a cylinder (101) and a float (102) slidingly housed in a float housing (104) delimited by a cylinder wall (103) of said cylinder (101) for pressurizing a fluid, wherein said primary gasket (1) comprises an annular body (2) configured to be accommodated in a primary gasket housing (105) defined in said cylinder wall (103), wherein the primary gasket housing (105) is delimited radially by an axial housing wall (107) and axially by a first radial housing wall (108) and a second radial housing wall (109) connected as an undercut to said axial housing wall (107), wherein said annular body (2) comprises an inner lip (4), a central lip (5), an outer lip (6), and a back portion (3), wherein the back portion (3) comprises a back abutment surface (13) configured to abut against the first radial housing wall (108) of said primary gasket housing (105), wherein the inner lip (4), the central lip (5), and the outer lip (6) extend from the back portion (3) in the axial direction (X-X) spaced apart from one another in the radial direction (R-R) from the opposite side of the back abutment surface (13), wherein the inner lip (4) is configured to form a dynamic and static seal on the float (102), wherein the outer lip (6) is configured to form a seal with said axial housing wall (107), wherein the central lip (5) comprises an annular root (14), which extends axially between said back portion (3) and a root edge (15), wherein the central lip (5) comprises a plurality of protuberances (10, 9), wherein each protuberance (10, 9) projects axially from said root edge (15), wherein said plurality of protuberances (10, 9) and said root edge (15) define a plurality of discharges (8), wherein each discharge (8) is delimited by each protuberance (10) and a first neighboring protuberance (9) thereof of said plurality of protuberances (10, 9) and by a free edge portion of said root edge (15), which extends between each protuberance (10) and the first neighboring protuberance (9) thereof, wherein each protuberance (10, 9) extends circumferentially by one protuberance extension (G), wherein each discharge (8) extends circumferentially by one discharge extension (L), wherein a sum of each discharge extension (L) is greater than a sum of each protuberance extension (G).

1. The name of the design product: oil seal. 2. The use of the design product: sealing assembly for preventing oil leakage of the outer lip. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The present invention provides a novel double-lip seal structure, comprising a bearing inner ring sealing groove bevel, a bearing inner ring sealing groove rib, and a sealing ring. The sealing ring is clamped between the bearing inner ring sealing groove bevel and the bearing inner ring sealing groove rib. The sealing ring comprises a sealing ring body, a sealing ring inner lip, and a sealing ring outer lip. The sealing ring inner lip and the sealing ring outer lip are respectively arranged at the upper and lower ends of the outer side surface of the sealing ring body. The sealing ring inner lip and the bearing inner ring sealing groove bevel are mutually abutted, and the sealing ring inner lip and the bearing inner ring sealing groove rib are mutually abutted. The length of the horizontal connecting end of the sealing ring inner lip and the sealing ring outer lip at the root is A, and the length of the horizontal connecting end of the bearing inner ring sealing groove bevel and the bottom root of the bearing inner ring sealing groove rib is B. A is greater than B but not greater than 2B. The present invention has a simple structure and is easy to operate. After the sealing ring is installed, the inner lip is completely in contact with the inner ring sealing groove bevel, and the outer lip is interference fit with the sealing groove rib, resulting in an excellent sealing effect.

The utility model relates to a novel double-acting dustproof combined sealing ring, and belongs to the technical field of sealing rings. A novel double-acting dustproof combined sealing ring comprises an outer lip and an inner lip, one side of the outer lip is connected with one side of the inner lip, an O-shaped ring placing groove is formed between the outer lip and the inner lip, an O-shaped ring is placed in the O-shaped ring placing groove, and an outer ring auxiliary lip is arranged at the bottom of the outer side face of the sealing ring. When the novel dustproof guide combined type sealing ring is installed in the groove, the outer lip and the inner lip extrude the O-shaped ring containing groove respectively, an O-shaped ring in the O-shaped ring containing groove generates force to enable the inner lip and the outer lip to abut against the inner diameter and the outer diameter of the groove respectively, the outer ring is provided with the outer ring auxiliary lip, and a certain waterproof and dustproof effect can be achieved. In conclusion, the dustproof combined sealing ring can be suitable for harsh working environments and has the advantages of being good in dustproof performance and sealing performance and the like.

The utility model discloses a double-lip dustproof sealing ring which comprises a sealing ring body, two vertically arranged inner lips are arranged in the sealing ring body, a V-shaped groove is formed between the two inner lips, two outer lips are arranged on the outer side of the sealing ring body, and a clamping groove is formed between the two outer lips. An inverted-T-shaped annular groove is formed in the top of the sealing ring body. Dustproof sealing is carried out on the piston rod through the inner lip, the sealing ring in the inverted-T-shaped annular groove is rotated to enable the bottom end of the oil filling opening to be aligned with the top end of the channel, then lubricating oil is filled, after filling is completed, the sealing ring is rotated again to enable the oil filling opening and the channel to be staggered, and sealing of the internal lubricating oil is achieved. Therefore, the device has the advantages of being easy to operate, good in sealing performance, better in sealing stability for lubricating oil during operation and capable of improving the use stability.

A frame system of a window fenestration unit includes a frame member that extends along a frame longitudinal axis. The frame member is unitary, and the frame member has a cross-sectional profile taken along a transverse axis that is normal to the frame longitudinal axis. The cross-sectional profile defines a total depth of the frame member measured along the transverse axis. The cross-sectional profile includes a panel support portion and an exterior lip protrusion that are arranged along the transverse axis. The exterior lip protrusion projects from the panel support portion along the transverse axis and terminates at an exterior lip end. The exterior lip protrusion has a lip depth measured along the transverse axis from the panel support portion to the exterior lip end. The lip depth is at least twenty percent (20%) of the total depth of the frame member.

The utility model relates to the technical field of air spring shock absorber oil seals, and discloses an air spring oil seal with an annular framework on an outer lip, which comprises a metal framework and an elastic sealing body vulcanized and adhered on the metal framework, an outer lip and an inner lip are arranged on the elastic sealing body, the outer lip is used for sealing gas, and the inner lip is used for sealing oil; at least three lips are arranged on the inner side surface of the outer lip; an annular framework is embedded in the outer lip and connected with the elastic sealing body in a vulcanization mode. After installation, the annular framework can counteract air pressure in the air bag, and therefore the problems that the contact area and contact stress of the lip edge of the outer lip and a piston shaft are increased, friction force is increased sharply, lip abrasion and heating are accelerated, and oil and gas leakage occurs due to excessive deformation of the outer lip due to pressure are solved. Meanwhile, no less than three lip openings are formed in the outer lip, so that the sealing performance and durability of the outer lip to air in the air bag can be ensured.

The utility model discloses a lip glaze pipe convenient to add, which comprises a pipe body, the right end of the inner cavity of the pipe body is sleeved with a tail cover, the middle end of the right side of the inner cavity of the tail cover is fixedly connected with a cross-shaped driving rod, and a fixed baffle plate is movably connected between the left side of the tail cover and the right end of the inner cavity of the pipe body. The middle end of the fixed baffle disc is in threaded connection with an adjusting screw sleeve, and an inner cavity of the adjusting screw sleeve is movably connected to the surface of the cross-shaped driving rod. Through the arrangement of the tail cover and the cross-shaped driving rod, a worker can conveniently drive the adjusting threaded sleeve to rotate in the lip glaze smearing or adding and supplementing process, and the lip glaze can be smeared or added under the matching action of the adjusting threaded sleeve, the fixed baffle disc, the drawing piston, the sealing plug cover, the flow guide pipe and the smearing end. The lip glaze inside the pipe body can be conveniently extruded out by a worker in the smearing process, and meanwhile, the external lip glaze can be sucked into the pipe body in the subsequent adding and supplementing process.

The utility model relates to the technical field of air shock absorber oil seals, and discloses a gas-liquid double-seal air spring shock absorber oil seal which comprises a metal framework. The elastic sealing body is connected to the metal framework in a vulcanization manner and is provided with an outer lip for sealing gas in the air bag and an inner lip for sealing oil liquid in the piston cylinder; an outer lip opening and an outer supporting lip opening are sequentially formed in the inner side face of the outer lip in the axial direction. After installation, holding force applied by the outer lip spring acts on the outer supporting lip opening and the outer lip opening, the outer lip is supported in the radial direction through the outer supporting lip opening, the anti-pressure capacity and the anti-deformation capacity of the outer lip are remarkably improved, and excessive deformation of the outer lip under the action of high-pressure gas is effectively prevented. Through the improvement, the oil seal can still keep a stable sealing effect when bearing 1.5 MPa gas pressure, the service life of the shock absorber is remarkably prolonged, and the movement smoothness and riding comfort of the shock absorber are improved.

A valve arrangement is configured to seal to a surface (e.g., of an enclosure). The valve arrangement carries a seal member having at least one flexible lip that presses against the surface when the valve arrangement is mounted to the surface. Some seal members have a flexible inner lip. Other seal members have a flexible outer lip. Still other seal members have both an inner lip and an outer lip. The lip(s) of the seal member inhibit water intrusion into the valve arrangement. The lip(s) of the seal member allow the a seal between the valve arrangement and the surface even when the surface is out of flat.

In the water-stopping device used in the bypass system construction method, the aim is to simplify the configuration and installation work, and to enable the use of pipes with the largest possible diameter for the bypass unit to be installed. [Solution] The water-stopping device 4 used in the bypass system construction method comprises a seal case 41 and a seal ring 42. The seal case 41 is fixed to the inner surface of the peripheral wall of the manhole 2 near the end of the first pipeline 1A and near the end of the second pipeline 1B by mounting members (43, 44), and has a cylindrical portion 41a with an annular plate portion 41b. The seal ring 42 has a body 42a, an outer lip 42b that is pressed against the inner circumferential surface of the end of the first pipeline 1A and the end of the second pipeline 1B, and an inner lip 42c that is pressed against the outer circumferential surface of the pipes (bypass pipe 31, inner cylinder 32b of the expansion joint 32) that constitute the bypass unit 3.

The utility model relates to the technical field of air shock absorber oil seals, and discloses a thickened short-height outer lip oil seal which comprises a metal framework and an elastic sealing body bonded to the metal framework in a vulcanization mode. An outer lip and an inner lip are arranged on the elastic sealing body, the outer lip is used for sealing gas, and the inner lip is used for sealing oil; the height H and the thickness T of the outer lip satisfy 0.3 < = H / T < = 0.8; according to the scheme, through the thickened short lip design that the height H and the thickness T of the outer lip are limited to meet 0.3 < = H / T < = 0.8, it is ensured that the outer lip has a new structural state, that is, the height of the outer lip is shortened, the thickness of the outer lip is increased, it is ensured that the outer lip has the high pressure bearing capacity and has the small contact area with a piston rod, the deformation resistance of an elastic sealing body after the outer lip of the oil seal is pressed is improved, and the service life of the oil seal is prolonged. Excessive deformation can be prevented, and abrasion and heating of the outer lip can be effectively reduced.

The utility model relates to the technical field of bearings, in particular to a self-locking needle roller bearing, which comprises a shaft body, a needle roller bearing and a needle roller bearing, the top surface of the positioning ring protrudes to form an inner positioning lip and an outer positioning lip, a clamping groove is formed between the inner positioning lip and the outer positioning lip in a spaced mode, the positioning ring is arranged in the shaft body, the outer wall surface of the positioning ring is attached to the inner wall surface of the cavity of the shaft body, the end cover is used for fixing the shaft body and the positioning ring, and the bottom surface of the end cover protrudes to form an inner fixing lip and an outer fixing lip. The fixed inner lips and the fixed outer lips are arranged at intervals to form fixed grooves; through the design of a positioning inner lip, a positioning embedding part and a clamping groove on the positioning ring, a fixed inner lip, a fixed outer lip and a fixed groove on the end cover and the shaft body, primary fixation is formed under the cooperation of the clamping groove and the fixed inner lip, and secondary fixation is formed by embedding the shaft body and the positioning outer lip into the fixed groove under the cooperation of the shaft body and the positioning outer lip. The end cover and the shaft body form three-stage fixation, the connecting effect of the end cover and the shaft body is guaranteed, and the end cover is prevented from loosening.

A bearing unit includes two hydro-deflector sealing systems, each positioned on opposite axial ends of the bearing unit. Each hydro-deflector sealing system includes an external seal having a first radially outer lip, a second radially outer lip, and a radially inner anchoring lip formed at an opposite end. An angled connecting portion connects the second radially outer lip to an intermediate portion that extends to the radially inner anchoring lip. At least two ridges are formed on the intermediate portion. The first and second radially outer lips and the angled connecting portion define a W-shaped groove that deflect contaminants away. The hydro-deflector sealing system also has an internal seal having a primary lip, an anchoring lip formed, an intermediate portion connecting the primary lip and the anchoring lip, and a secondary lip toward the external seal that does not contact the external seal under normal operating conditions.

The utility model relates to self -lubricating rotary axle lip seal technical field discloses a kind of self -lubricating rotary axle lip seal assembly, including sealing lip block, the top of sealing lip block is provided with inner lip and outer lip, and the top of sealing lip block is provided with recess, the side of recess is sleeved with clamping ring, by setting the composite heat transfer structure of heat conduction ring, connecting column and reinforcing rib block in sealing lip block, so that the heat generated in the inner wall of sealing lip block can be efficiently transferred to the silicon oil in cooling groove, to realize rapid heat dissipation, significantly improve the cooling efficiency of sealing structure, by filling graphite and PTFE micro powder in fluorine rubber matrix, not only enhance the self -lubricating property of material, also improve wear resistance and service life, at the same time, cooling groove is used in cooperation with threaded fixing pipe, can periodically supplement silicon oil, further guarantee the cooling effect and sealing property of sealing structure, to effectively improve the overall strength, heat resistance and long-term stability of device.

The invention belongs to the technical field of compound sealing rings, and discloses an integrated reciprocating sealing ring with a grease storage groove and a working method.The integrated reciprocating sealing ring with the grease storage groove comprises a framework, the framework is coated with a rubber body, the rubber body is formed by vulcanizing the framework, and an integrated structure is formed; an inner lip is integrally formed on the inner side of the rubber body, an outer lip is integrally formed on the outer side of the rubber body, and a corrugated structure extending in the circumferential direction is arranged on the lip-shaped outline of the inner lip and / or the outer lip to form a grease storage groove used for storing lubricating grease. According to the invention, the comprehensive benefits of structure simplification, cost reduction and reliability improvement can be realized.

The invention provides a medical lip moisturizing device. The medical lip moisturizing device comprises a water storage bottle; the guide pipe is connected with the water storage bottle, and a visible window and an adjusting valve are arranged on the guide pipe; the outer lip wetting mechanism is of a curved surface structure matched with the lips and is hollow, the upper side of the outer lip wetting mechanism is provided with a connector communicated with the catheter, the lower side of the outer lip wetting mechanism is arranged on the outer lips of the patient, the surface, corresponding to the outer lips, of the lower side of the outer lip wetting mechanism is provided with uniform micropores, and water flowing down from the catheter uniformly seeps out; the two sides of the curved surface of the outer lip wetting mechanism matched with the lip extend in the mouth angle direction, a forked guide channel is formed at the tail end, and the forked guide channel conducts lateral introduction and radial fixation on the medical cannula through friction force and a limiting structure. The oral cavity wetting mechanism is communicated with the center of the lower side of the outer lip wetting mechanism and is hollow, uniform micropores are formed in the surface of the oral cavity wetting mechanism, and the oral cavity wetting mechanism enables water flowing down from the catheter to uniformly seep and is placed in the oral cavity of the patient; and the tube clamp is arranged on the catheter and is used for fixing the medical intubation tube.

The invention belongs to the technical field of flood prevention and water retaining, and discloses a flood prevention protective air-tight door sealing device of a composite structure, which comprises a door frame and a door leaf which are arranged on a structural wall body, a check ring is arranged on the door frame, a pressing plate is arranged on the door leaf, and a sealing device is arranged in the check ring; the sealing device comprises extrusion rubber located on the outer layer structure and foaming rubber located on the inner layer structure, and an inner lip edge and an outer lip edge both facing the water inflow direction are formed on the extrusion rubber. After the door leaf is closed in place, the pressing plate compresses the foaming rubber to generate compression deformation and seal the normal-pressure gas; the inner lip edge and the outer lip edge are compressed by the door leaf to deform at the same time, external water pressure extrudes attaching gaps between the inner lip edge and the door leaf and between the outer lip edge and the door leaf, and high-pressure water is sealed. According to the air-tight door sealing device, foaming rubber and extrusion rubber which are different in hardness are compounded, and meanwhile the gas sealing performance of a flood-proof protective air-tight door under normal pressure and the liquid sealing performance under a high-pressure water head are guaranteed.