CN219655262U - Dustproof lip and double-lip structure oil seal for axle - Google Patents
Dustproof lip and double-lip structure oil seal for axle Download PDFInfo
- Publication number
- CN219655262U CN219655262U CN202320975186.7U CN202320975186U CN219655262U CN 219655262 U CN219655262 U CN 219655262U CN 202320975186 U CN202320975186 U CN 202320975186U CN 219655262 U CN219655262 U CN 219655262U
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- China
- Prior art keywords
- oil seal
- lip
- oil
- dustproof
- seal
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- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 238000004073 vulcanization Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 149
- 239000000428 dust Substances 0.000 abstract description 18
- 239000013049 sediment Substances 0.000 abstract description 9
- 239000010687 lubricating oil Substances 0.000 abstract description 5
- 239000004576 sand Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses an oil seal with a dustproof lip and double-lip structure for an axle, which comprises an oil seal supporting framework, a rubber ring and an oil seal oil sealing main lip, wherein the rubber ring is arranged on the outer side of the oil seal supporting framework, the oil seal dustproof lip is arranged on the back surface of the rubber ring, the oil seal oil sealing main lip is arranged on the inner wall of the rubber ring, and the oil seal dustproof auxiliary lip is arranged on the inner wall of the rubber ring. According to the utility model, the oil seal is arranged on the outer side of the shaft, and meanwhile, the rubber excircle wave static seal is contacted with the mounting hole, the oil seal dustproof lip is in interference fit with the dustproof cover, the oil seal dustproof lip can block a large amount of dust and sediment outside to enter the oil seal, the oil seal dustproof auxiliary lip can further prevent the external dust and sediment which is not blocked by the oil seal dustproof lip from entering the oil seal main lip, the oil seal main lip can seal lubricating oil and other mediums, and the positioning side plate is attached to the wall of the oil seal box to perform an axial positioning function when being mounted, so that the conditions of oil seal mounting inclination, transitional loading or incomplete loading are prevented.
Description
Technical Field
The utility model relates to the technical field of oil seals, in particular to a dustproof lip and double-lip structure oil seal for an axle.
Background
The service environment of the hub oil seal on the axle is worse, if the sealing performance of the oil seal is poor, sediment can easily enter the oil seal, so that the service life of the oil seal is influenced, the dustproof structure of the traditional oil seal is poor in oil seal effect through an oil seal mode of a dustproof lip and a main lip structure, dust is prevented, most sediment can be blocked, and a small part of sediment still enters the oil seal.
Patent document CN204042005U discloses an oil seal, "comprising a support body, a skeleton, and a seal lip, wherein the skeleton is enclosed in the support body, and the seal lip comprises a main seal lip and a sub seal lip; or the sealing lip comprises a main sealing lip and a dustproof lip, and the dustproof lip protrudes outwards and obliquely relative to the bottom of the supporting body. The oil seal in the patent seals through the main lip and the auxiliary lip, and a small amount of sediment still enters the oil seal through the auxiliary lip to influence the service life of the oil seal, so that the oil seal with the dustproof lip and double-lip structure for the axle with better dustproof effect is needed to solve the problem.
Disclosure of Invention
The utility model aims to provide a dustproof lip and double-lip structure oil seal for an axle, which can solve the technical problem that the dustproof effect of the oil seal in the prior art is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the dustproof lip and double-lip structure oil seal for the axle comprises an oil seal supporting framework, a rubber ring and an oil seal main lip, wherein the rubber ring is arranged on the outer side of the oil seal supporting framework, and the oil seal dustproof lip is arranged on the back surface of the rubber ring;
an oil seal oil sealing main lip is arranged on the inner wall of the rubber ring, and an oil seal dustproof auxiliary lip is arranged on the inner wall of the rubber ring.
Preferably, the back of the oil seal supporting framework is provided with a positioning side plate, the oil seal supporting framework is in a round box shape with an opening at the front, and the back of the oil seal supporting framework is provided with a round hole.
Preferably, the back of the rubber ring is provided with a rubber outer circle wave static seal, the rubber ring is of a ring structure which is tightly attached to the inner wall of the oil seal supporting framework and the back structure, and the rubber outer circle wave static seal is adhered with the rubber ring through vulcanization and the oil seal supporting framework.
Preferably, the oil seal main spring is arranged on the outer side of the oil seal main lip, the groove is formed in the outer side of the oil seal main lip, and the oil seal main spring is located inside the groove.
Preferably, the oil seal auxiliary spring is arranged on the outer side of the oil seal dustproof auxiliary lip, the outer side of the oil seal dustproof auxiliary lip is provided with a groove, and the oil seal auxiliary spring is positioned in the groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the oil seal is arranged on the outer side of the shaft, the rubber excircle wave static seal is in contact with the mounting hole, the oil seal dustproof lip is in interference fit with the dustproof cover, the oil seal dustproof lip can block a large amount of dust and sand outside the oil seal to enter the oil seal, the oil seal dustproof auxiliary lip can further prevent the dust and sand outside the oil seal dustproof lip which is not blocked from entering the oil seal main lip, the oil seal main lip can seal lubricating oil and other mediums, the sealing performance of the oil seal of the structure is better, the external dust and sand can be effectively reduced to enter the oil seal, the service life of the oil seal is prolonged, the positioning side plate is attached to the wall of the oil seal box during mounting, the axial positioning function is mainly achieved, the situation that the oil seal is inclined, transitionally mounted or incompletely mounted is prevented, and the like is mainly achieved, the dust and sand outside the oil seal dustproof lip and the double-lip structure oil seal can block the dust and sand outside the oil seal through the oil seal dustproof lip, the oil seal dustproof auxiliary lip can further prevent the dust and sand outside the oil seal from entering the oil seal main lip, the oil seal main lip can seal sealing the lubricating oil and other mediums from sealing.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic view of a positioning side plate according to the present utility model;
FIG. 3 is a schematic view of a rubber ring structure according to the present utility model;
FIG. 4 is a schematic view of an oil seal supporting framework structure according to the present utility model;
fig. 5 is a schematic view of the main lip structure of the oil seal of the present utility model.
In the figure: 1. an oil seal supporting framework; 101. positioning a side plate; 2. a rubber ring; 201. static sealing of rubber excircle waves; 202. an oil seal dust lip; 3. an oil seal main lip; 301. an oil seal main spring; 4. an oil seal dust-proof auxiliary lip; 401. and an oil seal auxiliary spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 2, 3 and 4, an embodiment of the present utility model is provided: an oil seal with a dustproof lip and double-lip structure for an axle;
including oil blanket supporting skeleton 1 and rubber ring 2, the back-mounted of oil blanket supporting skeleton 1 has location curb plate 101, oil blanket supporting skeleton 1 is openly open-ended round box shape and back has seted up the round hole, oil blanket supporting skeleton 1 can play rigidity intensity supporting role, with the laminating of oil blanket box pore wall when locating curb plate 101 installs, mainly play axial positioning role, prevent that the oil blanket installation slope, the transition is packed into or not completely pack into the condition such as taking place, rubber ring 2 is installed in the outside of oil blanket supporting skeleton 1, rubber ring 2's back-mounted has rubber excircle wave static seal 201, rubber ring 2 is for hugging closely the ring structure of oil blanket supporting skeleton 1 inner wall and back structure, rubber excircle wave static seal 201 and rubber ring 2 are in the same place through vulcanization and oil blanket supporting skeleton 1 adhesion, rubber ring 2's back-mounted has oil blanket dustproof lip 202, rubber ring 2 can be for oil blanket dustproof lip 202, oil blanket sealing main lip 3 and oil blanket dustproof vice lip 4 provide the mounted position, play main dustproof oil effect simultaneously, rubber excircle wave static seal 201 is used for static seal with the interference fit of mounting hole interference fit with the oil blanket dustproof lip 202 through keeping off outside silt entering inside dust in a large amount.
Referring to fig. 1, 3, 4 and 5, an embodiment of the present utility model is provided: an oil seal with a dustproof lip and double-lip structure for an axle;
including the oil blanket seal oil main lip 3 and the dustproof vice lip 4 of oil blanket, install the oil blanket seal oil main lip 3 on the inner wall of rubber ring 2, the oil blanket main spring 301 is installed in the outside of oil blanket seal oil main lip 3, the recess has been seted up in the outside of oil blanket seal oil main lip 3, oil blanket main spring 301 is located inside the recess, oil blanket seal oil main lip 3 plays sealed lubricating oil medium such as, oil blanket main spring 301 is the ring shape spring, can extrude oil blanket seal oil main lip 3, make oil blanket seal oil main lip 3 hug closely the axle, install the dustproof vice lip 4 of oil blanket on the inner wall of rubber ring 2, the vice spring 401 of oil blanket is installed in the outside of the dustproof vice lip 4 of oil blanket, the recess has been seted up in the outside of the vice lip 4 of oil blanket, the vice spring 401 of oil blanket is located inside the recess, the dustproof vice lip 4 of oil blanket can further prevent that the outside dust silt that oil blanket dust is not blocked from getting into the oil blanket seal oil main lip 3, the vice lip 4 of oil blanket can extrude the vice lip 4 of oil blanket dust, make the vice lip 4 hug closely the axle.
Working principle: before the dustproof lip and double-lip structure oil seal for the axle is used, whether the dustproof lip and double-lip structure oil seal for the axle has the problem of influencing use or not is checked firstly, the oil seal is firstly installed on the outer side of the axle, meanwhile, the rubber excircle wave static seal 201 is contacted with an installation hole, the oil seal dustproof lip 202 is in interference fit with a dust cover, the oil seal dustproof lip 202 can block a large amount of dust and sediment outside to enter the oil seal, the oil seal dustproof auxiliary lip 4 can further prevent the dust and sediment outside which is not blocked by the oil seal dustproof lip 202 from entering the oil seal main lip 3, the oil seal main lip 3 can seal lubricating oil, the tightness of the oil seal with the structure is better, the external dust and sediment can be effectively reduced to enter the oil seal, the service life of the oil seal is prolonged, the oil seal is mainly axially positioned when the positioning side plate 101 is installed, the oil seal is prevented from being inclined in installation, transitional installation or incomplete installation and other conditions.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides an axle is with dustproof lip and double-lip structure oil blanket, includes oil blanket braced frame (1), rubber ring (2) and oil blanket oil seal main lip (3), its characterized in that: the outer side of the oil seal supporting framework (1) is provided with a rubber ring (2), and the back surface of the rubber ring (2) is provided with an oil seal dustproof lip (202);
an oil seal oil sealing main lip (3) is arranged on the inner wall of the rubber ring (2), and an oil seal dustproof auxiliary lip (4) is arranged on the inner wall of the rubber ring (2).
2. The dustproof lip and double-lip structure oil seal for an axle according to claim 1, wherein: the back of the oil seal supporting framework (1) is provided with a positioning side plate (101), the oil seal supporting framework (1) is in a round box shape with a front opening, and the back of the oil seal supporting framework is provided with a round hole.
3. The dustproof lip and double-lip structure oil seal for an axle according to claim 1, wherein: the back of the rubber ring (2) is provided with a rubber excircle wave static seal (201), the rubber ring (2) is of a ring structure which is tightly attached to the inner wall of the oil seal supporting framework (1) and the back structure, and the rubber excircle wave static seal (201) and the rubber ring (2) are adhered together through vulcanization and the oil seal supporting framework (1).
4. The dustproof lip and double-lip structure oil seal for an axle according to claim 1, wherein: the oil seal main spring (301) is arranged on the outer side of the oil seal main lip (3), a groove is formed in the outer side of the oil seal main lip (3), and the oil seal main spring (301) is located inside the groove.
5. The dustproof lip and double-lip structure oil seal for an axle according to claim 1, wherein: the oil seal auxiliary spring (401) is arranged on the outer side of the oil seal dustproof auxiliary lip (4), a groove is formed in the outer side of the oil seal dustproof auxiliary lip (4), and the oil seal auxiliary spring (401) is located inside the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975186.7U CN219655262U (en) | 2023-04-26 | 2023-04-26 | Dustproof lip and double-lip structure oil seal for axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975186.7U CN219655262U (en) | 2023-04-26 | 2023-04-26 | Dustproof lip and double-lip structure oil seal for axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655262U true CN219655262U (en) | 2023-09-08 |
Family
ID=87857535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320975186.7U Active CN219655262U (en) | 2023-04-26 | 2023-04-26 | Dustproof lip and double-lip structure oil seal for axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655262U (en) |
-
2023
- 2023-04-26 CN CN202320975186.7U patent/CN219655262U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |