43 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 utility model discloses a tooth-shaped sealing structure of a bearing sealing ring, which comprises a sealing ring arranged between a bearing inner ring and a bearing outer ring, a sealing ring outer lip is arranged on the edge of the radial outer side of the sealing ring, a metal framework is arranged in the sealing ring, and a sealing ring outer lip is arranged on the metal framework. A sealing tooth groove is formed in the position, close to the end face, of the radial outer side of the bearing inner ring, an inwards-concave outer sealing face is arranged at the position, connected with the end face, of the radial outer side of the bearing inner ring, and sealing convex teeth are formed between the sealing tooth groove and the outer sealing face. The radial inner side end of the sealing ring is provided with a grease sealing lip extending into the sealing tooth groove and an outer sealing lip extending to the outer sealing face to be attached to the outer sealing face. The sealing structure can solve the problem that the sealing performance of an existing sealing structure can be greatly reduced under the condition that the surface of the sealing ring bears external airflow or mixed liquid with pressure, dust and the like.

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.

A lip seal structure for a granulator comprises a main shaft, a gear box and a lip seal assembly. The lip seal assembly comprises a lip seal framework, an outer lip seal, a containing groove and an inner lip seal. The lip seal framework comprises a framework body, an assembling groove and a clamping piece. The outer lip seal comprises an outer lip seal body and a sealing ring outer lip edge. The inner lip seal comprises an inner lip seal body and a sealing ring inner lip edge. One end of the outer lip edge of the sealing ring abuts against the outer side wall of the gear box, and the inner lip edge of the sealing ring abuts against the side wall of the main shaft, so that dust is prevented from entering the gear box. According to the lip seal structure for the granulator, dust is prevented from entering the gear box, the sealing effect is improved, and the service life of the gear box is prolonged.

The utility model provides a frameless bearing sealing ring. The frameless bearing sealing ring comprises a rubber ring and a spring ring, the rubber ring is composed of an upper end fixing section, a middle deformation section and a lower end lip opening part. The section formed by the upper end fixing section, the middle deformation section and the lower end lip portion is of a T-shaped structure with an opening in one side, and the middle deformation section and the lower end lip portion are connected to form a C-shaped annular outer lip. The spring ring is arranged in the outer lip; the end, close to the shaft diameter, of the lower end lip portion is provided with an inner lip. According to the utility model, the internal pressure of different bearing units is met by changing the shape and size of the middle deformation section; the magnitude of interference and the sealing performance of the lip of the sealing ring are ensured by changing the compression amount of the spring ring; and after the framework is removed, the processing manufacturability of the large sealing ring is improved, lossless mounting and dismounting are easier to realize, and the dismounting and mounting requirements are met.

The utility model discloses a double oil seal guide and an empty spring shock absorber, comprising a guide, wherein mounting grooves are provided on the inner walls of the top and bottom ends of the guide, and composite oil seals are provided in the two mounting grooves, wherein the composite oil seals include an inner lip oil seal and an outer lip oil seal, and the inner lip oil seal can be abutted against the inner wall of the mounting groove through the outer lip oil seal. In the utility model, by arranging the composite oil seal, i.e., the inner lip oil seal and the outer lip oil seal, at the top end of the guide, the inner lip oil seal can seal the piston rod when the piston rod moves downward, thereby preventing external gas from entering the shock absorber.

The present invention relates to an extrusion die (2) for producing a tubular film, comprising: a base part (6), a lip assembly (8) and a mandrel (7) extending in a longitudinal direction (A) of the die (2) between the base part (6) and the lip assembly (8); the lip assembly (8) comprising: a fixed outer lip (16), an inner lip (15) attached to the mandrel (7), and an annular gap (18) provided between the inner lip (15) and the outer lip (16); wherein the mandrel (7) is pivotably mounted in the extrusion die (2), allowing the inner lip (15) to be moved in a lateral direction (B) relatively to the fixed outer lip (16) when the mandrel (7) is pivoted.

The utility model discloses a Y-shaped special-shaped rubber sealing element which comprises a sealing ring body of an annular structure, an inner lip and an outer lip which extend outwards are arranged on the inner edge and the outer edge of the upper side of the sealing ring body respectively, an arc-shaped groove is formed between the inner lip and the outer lip, first corner cutting faces are arranged on the sides, away from each other, of the inner lip and the outer lip, and second corner cutting faces are arranged on the first corner cutting faces. The arc-shaped groove is formed between the inner lip and the outer lip, and the arc-shaped groove is of a C-shaped structure, so that the inner lip and the outer lip can conveniently form an easily-deformed structure with two wide ends and a narrow middle part, the deformation capacity of the Y-shaped sealing ring under pressure is remarkably enhanced, and the pressure of the lip parts on a sealing surface is favorably improved; the corner cut faces with different sizes are arranged at the corners of the inner lip, the outer lip and the sealing ring body, especially when the Y-shaped sealing ring is further pressed to deform, a larger deformation space can be provided, the contact area of the Y-shaped sealing ring and the sealing face can be increased through the corner cut faces, the lips and the sealing face are matched more tightly, and the sealing performance is better.

The utility model relates to the technical field of bearing accessories, in particular to a bearing sealing ring and a bearing applying the same, the bearing sealing ring comprises a sealing main body, an inner lip and an outer lip, one end of the sealing main body protrudes to form a mounting part, and the inner lip and the outer lip are integrally connected to the end, away from the mounting part, of the sealing main body; the distance between the tail end of the inner lip and the sealing body is smaller than that between the tail end of the outer lip and the sealing body, and the included angle between the inner lip and the sealing body in the length direction is smaller than that between the outer lip and the sealing body in the length direction. The bearing comprises the bearing sealing ring and further comprises an inner ring and an outer ring, a gap exists between the inner ring and the outer ring to form a to-be-sealed area, the bearing sealing ring is in interference fit with the to-be-sealed area, the inner lip and the outer lip abut against the inner ring, an installation ring groove is formed in the outer ring, and the installation piece is clamped in the installation ring groove. The sealing ring has the effect of improving the sealing effect of the sealing ring.

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.

The utility model provides a seal ring, hydraulic oil cylinder and vehicle relates to hydraulic seal technical field, seal ring includes connecting portion and set up outer lip and inner lip at the same end of connecting portion, outer lip and inner lip between form deformation clearance, one side surface of outer lip departing from inner lip is at least equipped with first convex rib and second convex rib, and the first convex rib and second convex rib are equipped with first convex rib and second convex rib. The first convex ribs and the second convex ribs are arranged at intervals in the axial direction of the sealing ring. According to the sealing ring, the first convex rib and the second convex rib mutually prevent dust, foreign matter is prevented from entering a sealing area of the outer lip and an external structure to cause sealing failure of the outer lip, meanwhile, the double convex ribs are arranged on the outer lip, the sealing performance and foreign matter resistance robustness of the sealing ring are improved, and the service life of the sealing ring is prolonged. According to the sealing ring, a lip structure does not need to be arranged on one side of the abutting plane for sealing, and therefore it is guaranteed that the size of the sealing ring is small while the sealing effect is improved.

A feeding support system includes an inner body and an outer body. The inner body includes a retaining member and an access member. The retaining member is configured to house an object. The retaining member includes an inner wall. The access member has at least one opening configured to enable access to the object housed within the retaining member. The access member is formed within the retaining member. The outer body includes a fastening member, a bonding member, and a protective member. The fastening member is configured to fasten the outer body to a user's appendage. The fastening member has a handle and a strap. The bonding member has an outer lip. The bonding member is configured to fasten the outer body to the user's appendage. The bonding member creates a seal between the outer body and the user's appendage.

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 relates to a pressure relief type sealing ring and a bearing adopting the same, the pressure relief type sealing ring is arranged between a first sealing groove of a bearing outer ring and a second sealing groove of a bearing inner ring, and comprises an annular sealing main body and a framework arranged on the sealing main body, an outer lip matched with the first sealing groove is arranged on the radial outer edge of the sealing body, an inner lip matched with the second sealing groove is arranged on the radial inner edge of the sealing body, the inner lip comprises a contact lip in abutting connection with the second sealing groove, and a protruding point is arranged on the contact end face of the contact lip and the second sealing groove. And a gap is formed between the contact lip around the convex point and the second sealing groove through the convex point. Through the arrangement of the salient points, air pressure can be released through the gaps during injection molding, the salient points are worn and disappear during working, and the original sealing effect of the sealing ring is kept. The pressure relief valve not only can relieve pressure, but also keeps the sealing effect.

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 sealing rings, and discloses a continuous casting roller sealing ring which comprises a main body, an inner lip is arranged on the inner side of the main body, an outer lip is arranged on the outer side of the main body, a containing groove is formed between the outer lip and the inner lip, the inner lip is a sealing convex ring inclined by 49 degrees, and a vertical flat notch is formed in the inner ring of the inner lip. By changing the sharp corner design of the inner lip into the vertical flat notch, the contact area is increased, so that the sealing effect is improved, the possibility of cooling water leakage is reduced, abrasion is reduced due to the design of the vertical flat notch, the durability of the sealing ring is improved, the service life is prolonged, the sealing ring is simpler and more convenient to install due to the design of the vertical flat notch, and the service life is prolonged. And the design of the vertical flat notch can better adapt to the temperature change in the continuous casting process, and the reduction of the sealing effect caused by material expansion is reduced.

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.

The utility model relates to the technical field of machinery, in particular to a high-temperature-corrosion-resistant sealed flange which comprises a first flange plate and a second flange plate, an outer lip ring and an inner lip ring are arranged on the connecting face of the first flange plate at a certain interval, and a sealing washer is arranged between the outer lip ring and the inner lip ring in a sleeved mode. An outermost layer annular area, a secondary outer layer annular area and an inner layer annular area are arranged on the connecting face of the second flange plate, the outermost layer annular area and the inner layer annular area are grooves, the inner layer annular area is connected with the inner lip ring in a matched mode, the outermost layer annular area is connected with the outer lip ring in a matched mode, and the secondary outer layer annular area is connected with the outer lip ring in a matched mode. The middle groove is connected with the sealing washer in a matched mode. The sealing flange is designed to be of a double-lip structure, the outer lip ring is used for preliminary sealing and bearing external pressure, the inner lip ring is provided with a tiny groove through precision machining, and effective sealing can be kept even under high-temperature deformation in cooperation with a specially-made sealing gasket.

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.