CN219655263U - Outer dustproof muddy water-proof inner sealing oil seal grease hub combined oil seal structure - Google Patents
Outer dustproof muddy water-proof inner sealing oil seal grease hub combined oil seal structure Download PDFInfo
- Publication number
- CN219655263U CN219655263U CN202320975407.0U CN202320975407U CN219655263U CN 219655263 U CN219655263 U CN 219655263U CN 202320975407 U CN202320975407 U CN 202320975407U CN 219655263 U CN219655263 U CN 219655263U
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- oil seal
- oil
- seal
- proof
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 239000004519 grease Substances 0.000 title claims abstract description 31
- 125000006850 spacer group Chemical group 0.000 claims abstract description 28
- 239000000428 dust Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000005243 fluidization Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 18
- 230000002035 prolonged effect Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003405 preventing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses an oil seal grease hub combined oil seal structure with an outer dustproof muddy water-proof inner seal, which comprises an oil seal strength supporting framework and an oil seal rubber outer circle sealing body, wherein the oil seal strength supporting framework is adhered to the oil seal rubber outer circle sealing body through fluidization, an oil seal positioning boss is arranged on the outer wall of the oil seal strength supporting framework, and a space ring framework is arranged at one end of the oil seal positioning boss. According to the utility model, the positioning support effect can be achieved on the spacer ring framework through the oil seal positioning boss, dust and muddy water can be prevented from entering the main oil seal lip through the first dust-proof lip of the oil seal, the second dust-proof lip of the oil seal and the third dust-proof lip of the oil seal, the service life of the oil seal is prolonged, the sealing stress effect can be continuously provided after the dust-proof muddy water-proof sealing lip of the oil seal is worn through the arrangement of the first spring groove and the auxiliary spring of the oil seal, and the dust-proof muddy water-proof effect of the oil seal is ensured in the use process of the oil seal structure, and the service life of the oil seal is prolonged.
Description
Technical Field
The utility model relates to the technical field of oil seal structure equipment, in particular to an oil seal and grease hub combined oil seal structure with an outer dustproof muddy water-proof inner seal.
Background
An oil seal, also known as a shaft seal, is a component of a device used in a machine to prevent fluid from escaping from a joint. The sealing elements for static sealing and dynamic sealing are called sealing elements. The representative form of the oil seal is TC oil seal, which is a rubber fully covered double lip oil seal with self-tightening springs, and is commonly referred to as TC framework oil seal.
Patent document CN206280503U discloses an oil seal structure, which comprises an outer framework, an inner framework, a first oil seal arranged on the outer framework and a second oil seal arranged on the inner framework, and further comprises a limit boss arranged on the inner side wall of the inner framework and made of rubber materials. According to the oil seal structure, the limiting boss made of rubber is designed on the inner framework, when the inner/outer framework of the oil seal rotates to perform relative motion, high heat generated by friction between the rubber of the limiting boss of the inner framework and the iron shell of the outer framework is indirectly transmitted through the rubber of the limiting boss of the inner framework to generate high temperature at the end face of the oil seal, but the temperature rise of the rubber is lower when the same heat is absorbed due to the fact that the specific heat capacity of the rubber is about 3.5 times that of iron, and the temperature of the end face of the oil seal is effectively reduced through improvement of the limiting boss.
The oil seal structure of the above-mentioned publication mainly considers how when absorbing the same heat, and the temperature rise of rubber can be lower, has effectively reduced the temperature of oil seal terminal surface through the improvement of spacing boss, and current oil seal structure is in the use, needs to guarantee its dustproof muddy water-proof effect to prevent when the engineering machine of operating mode is abominable relatively, commercial car is used, muddy water enters into in the oil seal main lip, causes the technical problem that life reduces.
In view of the above, it is necessary to develop an oil seal structure with an oil seal and a hub combination, which is dustproof and muddy and has an inner seal, so as to improve the practicability of the oil seal structure in the use process.
Disclosure of Invention
The utility model aims to provide an oil seal hub combined oil seal structure with an outer dustproof muddy water-proof inner seal oil seal, which solves the technical problem that the service life is reduced due to muddy water entering into an oil seal main lip when engineering machinery and commercial vehicles with relatively severe working conditions are used in the background art.
In order to achieve the above purpose, the utility model provides a technical scheme that an oil seal and grease hub combined oil seal structure with an outer dustproof muddy water-proof inner seal comprises an oil seal strength supporting framework and an oil seal rubber outer circle sealing body, wherein the oil seal rubber outer circle sealing body is adhered with the oil seal strength supporting framework through fluidization;
an oil seal positioning boss is arranged on the outer wall of the oil seal strength supporting framework, a space ring framework is arranged at one end of the oil seal positioning boss, and a space ring dust sealing mud water rubbing surface is arranged on a short cylindrical surface at the upper part of the space ring framework;
the outer wall of the oil seal strength supporting framework is provided with a first oil seal dustproof lip, a second oil seal dustproof lip and a third oil seal dustproof lip, and the other ends of the first oil seal dustproof lip, the second oil seal dustproof lip and the third oil seal dustproof lip are all arranged on the inner wall of the space ring framework.
Preferably, a first spring groove is formed in the upper portion of the oil seal rubber excircle sealing body, and an oil seal auxiliary spring is mounted on the inner wall of the first spring groove.
Preferably, the long cylindrical surface of the lower part of the spacer ring framework is provided with a spacer ring oil sealing grease rubbing surface, and one side of the long cylindrical surface of the lower part of the spacer ring framework is provided with an oil sealing grease sealing main lip.
Preferably, a second spring groove is formed in the upper portion of the oil seal main lip of the oil seal, and an oil seal main spring is mounted on the inner wall of the second spring groove.
Preferably, the bottom of the oil seal rubber excircle sealing body is provided with an oil seal dustproof muddy water-proof sealing lip, and the bottom of the oil seal dustproof muddy water-proof sealing lip is arranged at the top of the space ring framework.
Preferably, the bottom of the space ring framework is provided with a space ring rubber inner hole sealing body, the inner wall of the space ring rubber inner hole sealing body is provided with a transmission shaft, the front end of the outer wall of the transmission shaft is provided with a bearing, the outer wall of the bearing is provided with a protective cover, and the inner wall of the protective cover is arranged on the outer wall of the oil seal rubber outer circle sealing body.
Preferably, one end of the space ring framework is provided with a main lip baffle ring.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the positioning support effect can be achieved on the spacer ring framework through the oil seal positioning boss, dust and muddy water can be prevented from entering the main oil seal lip through the first dust-proof lip of the oil seal, the second dust-proof lip of the oil seal and the third dust-proof lip of the oil seal, the service life of the oil seal is prolonged, the sealing stress effect can be continuously provided after the dust-proof muddy water-proof sealing lip of the oil seal is worn through the arrangement of the first spring groove and the auxiliary spring of the oil seal, and the dust-proof muddy water-proof effect of the oil seal is ensured in the use process of the oil seal structure, and the service life of the oil seal is prolonged.
2. According to the utility model, the friction surface of the spacer ring framework and the spacer ring oil sealing grease and the main lip of the oil sealing grease are arranged, so that a sealing effect can be formed by matching, an oil and grease leakage preventing effect can be achieved, the main lip can be protected through the main lip baffle ring, the service life of the main lip is prolonged, the sealing effect of the main lip of the oil sealing grease is improved through the second spring groove and the main spring of the oil seal, and the friction force can be reduced and the service life of the main lip is prolonged through the arrangement of the transmission shaft, the bearing and the protective cover.
Drawings
FIG. 1 is a perspective view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of a transmission shaft according to the present utility model;
fig. 4 is a schematic view of the structure of the oil seal strength supporting framework of the present utility model.
In the figure: 1. the oil seal strength supports the skeleton; 2. an oil seal rubber outer circle seal body; 101. an oil seal positioning boss; 102. a cage frame; 103. the spacer ring seals the dust and seals the mud water and rubs the surface; 104. a first dust lip of the oil seal; 105. the second dust lip of the oil seal; 106. a third dust lip of the oil seal; 201. a first spring groove; 202. an oil seal auxiliary spring; 301. the spacer ring seals the oil seal rubbing surface; 302. an oil seal main lip; 401. a second spring groove; 402. an oil seal main spring; 501. the oil seal is dustproof and mud-proof to seal the lip; 601. the spacer ring rubber inner hole sealing body; 602. a transmission shaft; 603. a bearing; 604. a protective cover; 701. a main lip catch ring.
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, an embodiment of the present utility model provides an oil seal structure with an oil seal and a rubber outer seal, wherein the oil seal structure comprises an oil seal strength supporting frame 1 and an oil seal rubber outer seal body 2, and the oil seal rubber outer seal body 2 is adhered with the oil seal strength supporting frame 1 through fluidization;
referring to fig. 1, fig. 2, fig. 3 and fig. 4, the outer wall of the oil seal strength supporting framework 1 is provided with an oil seal positioning boss 101, one end of the oil seal positioning boss 101 is provided with a spacer ring framework 102, a short cylindrical surface at the upper part of the spacer ring framework 102 is provided with a spacer ring dust seal muddy water opposite friction surface 103, the outer wall of the oil seal strength supporting framework 1 is provided with an oil seal first dust lip 104, an oil seal second dust lip 105 and an oil seal third dust lip 106, the other ends of the oil seal first dust lip 104, the oil seal second dust lip 105 and the oil seal third dust lip 106 are all arranged on the inner wall of the spacer ring framework 102, the upper part of the oil seal rubber outer circular sealing body 2 is provided with a first spring groove 201, the inner wall of the first spring groove 201 is provided with an oil seal auxiliary spring 202, the bottom of the oil seal rubber outer circular sealing body 2 is provided with an oil seal dust seal anti-seal lip 501, the bottom of the oil seal anti-muddy water seal lip 501 is arranged at the top of the spacer ring framework 102, the oil seal positioning boss 101 can play a role in positioning supporting the spacer ring framework 102, the oil seal first dust lip 104, the oil seal second dust lip 105 and the oil seal third dust lip 106 can continuously enter the oil seal structure through the oil seal anti-muddy water seal and the oil seal structure, and the anti-dust seal structure can continuously have long service life, and the anti-life of the oil seal structure can be further improved, and the anti-dust seal structure can be further improved;
referring to fig. 1, 2, 3 and 4, a spacer oil seal grease pairing surface 301 is arranged on a lower long cylindrical surface of a spacer framework 102, an oil seal grease seal main lip 302 is arranged on one side of the lower long cylindrical surface of the spacer framework 102, a second spring groove 401 is arranged on the upper portion of the oil seal grease seal main lip 302, an oil seal main spring 402 is arranged on the inner wall of the second spring groove 401, a spacer rubber inner hole sealing body 601 is arranged at the bottom of the spacer framework 102, a transmission shaft 602 is arranged on the inner wall of the spacer rubber inner hole sealing body 601, a bearing 603 is arranged at the front end of the outer wall of the transmission shaft 602, a protective cover 604 is arranged on the outer wall of the bearing 603, and the inner wall of shield 604 is installed in the outer wall of oil blanket rubber excircle seal body 2, the main lip keeps off the ring 701, the setting of surface 301 and oil blanket seal grease seal main lip 302 is to friction to the oil blanket grease seal through spacer skeleton 102, spacer seal grease seal, can cooperate and form sealed effect, can play the effect that grease proofing and grease proofing leaked, can play the effect that protection main lip improves life through main lip keeps off the ring 701, be favorable to improving the sealed effect of oil blanket seal grease seal main lip 302 through second spring groove 401 and oil blanket main spring 402, through the setting of transmission shaft 602, bearing 603 and shield 604, can play the reduction frictional force, improve life's effect.
The working principle is that the spacer framework 102 can be positioned and supported through the oil seal positioning boss 101, dust and muddy water can be prevented from entering the oil seal main lip through the oil seal first dust-proof lip 104, the oil seal second dust-proof lip 105 and the oil seal third dust-proof lip 106, the service life of the oil seal main lip is further prolonged, the sealing stress can be still continuously provided after the oil seal dust-proof muddy water-proof sealing lip 501 is worn through the arrangement of the first spring groove 201 and the oil seal auxiliary spring 202, and the dust-proof muddy water-proof effect of the oil seal structure is further ensured in the use process of the oil seal structure, the seal ring has the advantages that the service life is prolonged, the friction surfaces 301 and the oil seal grease main lips 302 are arranged through the spacer ring framework 102 and the spacer ring seal grease, a sealing effect can be formed through cooperation, the oil-proof and grease-proof effect can be achieved, the main lips can be protected through the main lip baffle ring 701, the service life is prolonged, the sealing effect of the oil seal grease seal main lips 302 is improved through the second spring groove 401 and the oil seal main spring 402, and the friction force can be reduced and the service life is prolonged through the arrangement of the transmission shaft 602, the bearing 603 and the protective cover 604.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides an outer dustproof muddy water internal seal oil blanket fat wheel hub combination oil blanket structure that prevents, includes oil blanket intensity braced skeleton (1) and oil blanket rubber excircle seal body (2), its characterized in that: the oil seal rubber excircle sealing body (2) is adhered with an oil seal strength supporting framework (1) through fluidization;
an oil seal positioning boss (101) is arranged on the outer wall of the oil seal strength supporting framework (1), a space ring framework (102) is arranged at one end of the oil seal positioning boss (101), and a space ring dust sealing and mud sealing water rubbing surface (103) is arranged on a short cylindrical surface at the upper part of the space ring framework (102);
the outer wall of the oil seal strength supporting framework (1) is provided with an oil seal first dust-proof lip (104), an oil seal second dust-proof lip (105) and an oil seal third dust-proof lip (106), and the other ends of the oil seal first dust-proof lip (104), the oil seal second dust-proof lip (105) and the oil seal third dust-proof lip (106) are all arranged on the inner wall of the space ring framework (102).
2. The external dustproof muddy water-proof internal sealing oil sealing grease hub combined oil sealing structure according to claim 1, which is characterized in that: the oil seal rubber excircle sealing device is characterized in that a first spring groove (201) is formed in the upper portion of the oil seal rubber excircle sealing body (2), and an oil seal auxiliary spring (202) is mounted on the inner wall of the first spring groove (201).
3. The external dustproof muddy water-proof internal sealing oil sealing grease hub combined oil sealing structure according to claim 1, which is characterized in that: the long cylindrical surface of the lower part of the space ring framework (102) is provided with a space ring oil sealing grease rubbing surface (301), and one side of the long cylindrical surface of the lower part of the space ring framework (102) is provided with an oil sealing grease sealing main lip (302).
4. The oil seal structure of the outer dustproof muddy water-proof inner seal oil seal grease hub combination according to claim 3, which is characterized in that: the upper portion of the oil seal main lip (302) of the oil seal is provided with a second spring groove (401), and an oil seal main spring (402) is installed on the inner wall of the second spring groove (401).
5. The external dustproof muddy water-proof internal sealing oil sealing grease hub combined oil sealing structure according to claim 1, which is characterized in that: the bottom of oil blanket rubber excircle seal body (2) is provided with oil blanket dustproof muddy water prevention seal lip (501), and the bottom of oil blanket dustproof muddy water prevention seal lip (501) is installed in the top of spacer ring skeleton (102).
6. The external dustproof muddy water-proof internal sealing oil sealing grease hub combined oil sealing structure according to claim 1, which is characterized in that: the bottom of cage skeleton (102) is installed cage rubber hole seal body (601), and transmission shaft (602) are installed to the inner wall of cage rubber hole seal body (601), and bearing (603) are installed to the front end of transmission shaft (602) outer wall, and protective cover (604) are installed to the outer wall of bearing (603), and the outer wall of sealing body (2) is installed in the outer wall of oil blanket rubber excircle to the inner wall of protective cover (604).
7. The external dustproof muddy water-proof internal sealing oil sealing grease hub combined oil sealing structure according to claim 1, which is characterized in that: one end of the space ring framework (102) is provided with a main lip baffle ring (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975407.0U CN219655263U (en) | 2023-04-26 | 2023-04-26 | Outer dustproof muddy water-proof inner sealing oil seal grease hub combined oil seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975407.0U CN219655263U (en) | 2023-04-26 | 2023-04-26 | Outer dustproof muddy water-proof inner sealing oil seal grease hub combined oil seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655263U true CN219655263U (en) | 2023-09-08 |
Family
ID=87857807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320975407.0U Active CN219655263U (en) | 2023-04-26 | 2023-04-26 | Outer dustproof muddy water-proof inner sealing oil seal grease hub combined oil seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655263U (en) |
-
2023
- 2023-04-26 CN CN202320975407.0U patent/CN219655263U/en active Active
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