CN112096872A - Agricultural machinery sealing ring - Google Patents
Agricultural machinery sealing ring Download PDFInfo
- Publication number
- CN112096872A CN112096872A CN202010933024.8A CN202010933024A CN112096872A CN 112096872 A CN112096872 A CN 112096872A CN 202010933024 A CN202010933024 A CN 202010933024A CN 112096872 A CN112096872 A CN 112096872A
- Authority
- CN
- China
- Prior art keywords
- lip
- agricultural machine
- oil seal
- shaft sleeve
- axial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3248—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings provided with casings or supports
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing With Elastic Sealing Lips (AREA)
Abstract
The invention discloses an agricultural machinery sealing ring and an agricultural machinery with the same, wherein the agricultural machinery sealing ring comprises a rotating shaft which is arranged in a mounting hole; the shaft sleeve is sleeved on the rotating shaft, and the outer side of the shaft sleeve abuts against the inner wall of the mounting hole; the outer oil seal comprises an oil seal framework, an axial dustproof lip and a radial dustproof lip are arranged on the oil seal framework, and the axial dustproof lip and the radial dustproof lip are matched with the outer end face of the shaft sleeve to complete sealing. An axial dustproof lip is added between the shaft sleeve and the outer oil seal, the axial dustproof lip is not affected by the installation eccentricity and the shaft runout of the agricultural machine, the sealing capacity of the sealing ring is improved, the axial dustproof capacity is added, leakage of lubricating oil is prevented, the maintenance times and time of the agricultural machine are reduced, and the working efficiency and the service life of the agricultural machine are improved.
Description
Technical Field
The invention relates to the field of agricultural mechanical sealing, in particular to an agricultural machine sealing ring.
Background
Agricultural machine operating mode is abominable, need long-time operation in the farmland of muddy water, soil, and like sealing washer only has twice dustproof lip on the existing market, and the reliability is lower, and the agricultural machinery during operation vibration is great very much, and only twice dustproof lip is difficult to satisfy the sealed requirement of big vibration, big runout eccentric quantity, and outside muddy water, fine stone sand invade easily destroys rubber, cause inside lubricating grease to leak, make the unable normal operation of agricultural machinery need shut down the maintenance, influence the quality of work efficiency and agricultural machinery.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the sealing ring for the agricultural machine, which can prevent lubricating oil from leaking, reduce the maintenance times and time of the agricultural machine, and improve the working efficiency and the service life of the agricultural machine.
The invention also provides an agricultural machine with the agricultural machine sealing ring.
According to the agricultural machine sealing ring of the embodiment of the first aspect of the invention, comprising: the rotating shaft is arranged in the mounting hole; the shaft sleeve is sleeved on the rotating shaft; the outer oil seal comprises an oil seal framework, an axial dustproof lip and a radial dustproof lip are arranged on the oil seal framework, and the axial dustproof lip and the radial dustproof lip are matched with the outer end face of the shaft sleeve to complete sealing.
The agricultural machinery sealing ring provided by the embodiment of the invention at least has the following beneficial effects: an axial dustproof lip is added between the shaft sleeve and the outer oil seal, the axial dustproof lip is not affected by the installation eccentricity and the shaft runout of the agricultural machine, the sealing capacity of the sealing ring is improved, the axial dustproof capacity is added, leakage of lubricating oil is prevented, the maintenance times and time of the agricultural machine are reduced, and the working efficiency and the service life of the agricultural machine are improved.
According to some embodiments of the invention, the oil seal framework comprises a fixing section and a bending section, the fixing section is fixed on the outer side of the outer oil seal, and an included angle between the bending section and the fixing section is an acute angle. The oil seal framework is bent towards the opposite direction of the axial dustproof lip, the outer oil seal framework is changed into a bent structure from a common L shape, a space is vacated to additionally install the end face sealing lip, and after the outer oil seal is changed into a bent framework, the use amount of rubber is greatly reduced, and the cost of raw materials is reduced.
According to some embodiments of the invention, a sleeve lip extending outwards along the sleeve is arranged on the outer side of the sleeve, the sleeve lip abuts against the inner wall, the structure of the sleeve is adjusted, the sleeve lip is added on the outer side of the sleeve, and the sealing capability of the sleeve is improved in a limited installation space.
According to some embodiments of the invention, the shaft sleeve lip and the inner wall of the mounting hole are in interference fit, so that the sealing and fixing effects are good, and the shaft sleeve lip is not easy to fall off and leak.
According to some embodiments of the invention, the oil seal framework is provided with a plurality of radial dustproof lips, and the arrangement of the plurality of radial dustproof lips can further improve the sealing capability of the outer oil seal in the radial direction, so that the sealing effect of the sealing ring is improved.
According to some embodiments of the invention, the radial dustproof lip is in interference fit with the rotating shaft, so that the sealing and fixing effects are good, and the radial dustproof lip is not easy to fall off and leak.
According to some embodiments of the invention, the outer oil seal is further provided with an axial positioning rib, the axial positioning rib is abutted against the shaft sleeve in the axial direction, and the axial positioning rib is used for positioning the outer oil seal, so that the accuracy of the axial relative position of the outer oil seal after the outer oil seal is assembled with the shaft sleeve is ensured.
According to some embodiments of the present invention, an oil seal lip is further disposed on the outer oil seal, the oil seal lip radially abuts against the shaft sleeve, and the oil seal lip plays a role in preventing leakage of lubricating oil.
According to some embodiments of the invention, a spring is arranged outside the oil seal lip to improve the holding force of the oil seal lip on the rotating shaft, and the pressure of the spring improves the holding force of the lip on the shaft, so that the oil seal is reliable in sealing.
The agricultural machine according to the second aspect of the embodiment of the invention comprises the agricultural machine sealing ring of the embodiment.
The agricultural machine provided by the embodiment of the invention has at least the following beneficial effects: the sealing ring is additionally provided with the axial dustproof lip between the shaft sleeve and the outer oil seal, the axial dustproof lip is not influenced by the installation eccentricity and the shaft runout of the agricultural machine, the sealing capacity of the sealing ring is improved, the axial dustproof capacity is added, leakage of lubricating oil is prevented, the maintenance times and time of the agricultural machine are reduced, and the working efficiency and the service life of the agricultural machine are improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of an agricultural machine sealing ring according to an embodiment of the first aspect of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, an agricultural machine seal ring according to an embodiment of the first aspect of the present invention includes: the rotating shaft 100, the rotating shaft 100 is arranged in the mounting hole; the shaft sleeve 200 is internally provided with a shaft sleeve framework made of metal materials, the shaft sleeve 200 is sleeved on the rotating shaft 100, a layer of rubber sealing body is arranged between the shaft sleeve 200 and the rotating shaft 100, and the outer side of the shaft sleeve 200 abuts against the inner wall 400 of the mounting hole; outer oil blanket 300, outer oil blanket 300 includes oil blanket skeleton 310, be provided with axial dustproof lip 320 and radial dustproof lip 330 on the oil blanket skeleton 310, axial dustproof lip 320 with radial dustproof lip 330 with the outer terminal surface cooperation of axle sleeve 200 is in order to accomplish sealedly, is provided with the rubber seal body between outer oil blanket 300 and the inner wall 400.
The agricultural machinery sealing ring provided by the embodiment of the invention at least has the following beneficial effects: an axial dustproof lip 320 is added between the shaft sleeve 200 and the outer oil seal 300, the axial dustproof lip 320 is not affected by the installation eccentricity and the shaft jumping amount of the agricultural machine, the sealing capacity of the sealing ring is improved, the axial dustproof capacity is added, leakage of lubricating oil is prevented, the maintenance times and time of the agricultural machine are reduced, and the working efficiency and the service life of the agricultural machine are improved.
According to some embodiments of the present invention, the oil seal framework 310 includes a fixing section 311 and a bending section 312, the fixing section 311 is fixed on the outer side of the outer oil seal 310, an included angle between the bending section 312 and the fixing section 311 is an acute angle, the bending section 312 of the oil seal framework 310 is bent in the direction opposite to the axial dust lip 320, the framework of the bending section 312 is changed from a common "L" shape to a bent structure, a space is left to additionally mount an end face seal lip, and after the outer oil seal 300 is changed to adopt a bent framework, the usage amount of rubber is greatly reduced, and the raw material cost is reduced.
According to some embodiments of the present invention, the sleeve lip 210 extending outward along the sleeve 200 is disposed on the outer side of the sleeve 200, the sleeve lip 210 abuts against the inner wall 400, the structure of the sleeve 200 is adjusted, the sleeve lip 210 is added on the outer side of the sleeve 200, and the sealing capability of the sleeve 200 is improved in a limited installation space. The shaft sleeve framework made of metal is treated by adopting a phosphating and gluing process, and is integrally vulcanized and molded with rubber in a mold to form an inner diameter sealing rubber body and a shaft sleeve lip 210.
According to some embodiments of the present invention, the shaft sleeve lip 210 and the inner wall 400 of the mounting hole are in an interference fit, so that the sealing and fixing effects are good, and the shaft sleeve lip is not easy to fall off and leak.
According to some embodiments of the present invention, the oil seal framework 310 is provided with a plurality of radial dustproof lips 330, and the provision of the plurality of radial dustproof lips 330 can further improve the sealing capability of the outer oil seal 300 in the radial direction, thereby improving the sealing effect of the sealing ring.
According to some embodiments of the present invention, the radial dust lip 330 and the rotating shaft 100 are in an interference fit, so that the sealing and fixing effects are good, and the falling and leakage are not easy to occur.
According to some embodiments of the present invention, the outer oil seal 300 is further provided with an axial positioning rib 340, the axial positioning rib 340 axially abuts against the edge of the shaft sleeve 200, and the axial positioning rib 340 is used for positioning the outer oil seal 300, so that the accuracy of the axial relative position of the outer oil seal 300 after being assembled with the shaft sleeve 200 is ensured.
According to some embodiments of the present invention, an oil seal lip 350 is further disposed on the outer oil seal 300, the oil seal lip 350 abuts against the shaft sleeve 200 in the radial direction, and the oil seal lip 350 plays a role in preventing the leakage of the lubricating oil.
According to some embodiments of the present invention, a spring 360 is disposed outside the oil seal lip 350 to increase the holding force of the oil seal lip 350 on the rotating shaft 100, and the pressure of the spring 360 increases the holding force of the lip on the shaft, so that the oil seal is reliable.
The agricultural machine according to the second aspect of the embodiment of the invention comprises the agricultural machine sealing ring of the embodiment.
The agricultural machine provided by the embodiment of the invention has at least the following beneficial effects: the sealing ring adds an axial dustproof lip 320 between the shaft sleeve 200 and the outer oil seal 300, the axial dustproof lip 320 is not influenced by the installation eccentricity and the shaft bounce amount of the agricultural machine, the sealing capability of the sealing ring is improved, the axial dustproof capability is added, leakage of lubricating oil is prevented, the maintenance times and time of the agricultural machine are reduced, and the working efficiency and the service life of the agricultural machine are improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. The utility model provides an agricultural machinery sealing washer, the pivot is located to the cover, the pivot sets up in the mounting hole, its characterized in that includes:
the shaft sleeve is sleeved on the rotating shaft;
the outer oil seal comprises an oil seal framework, an axial dustproof lip and a radial dustproof lip are arranged on the oil seal framework, and the axial dustproof lip and the radial dustproof lip are matched with the outer end face of the shaft sleeve to complete sealing.
2. The agricultural machine seal ring according to claim 1, wherein: the oil blanket skeleton includes canned paragraph and bending segment, the canned paragraph is fixed in the outside of outer oil blanket, bending segment with contained angle between the canned paragraph is the acute angle.
3. The agricultural machine seal ring according to claim 1, wherein: the outer side of the shaft sleeve is provided with a shaft sleeve lip which extends outwards along the shaft sleeve.
4. The agricultural machine seal ring according to claim 3, wherein: the shaft sleeve lip is in interference fit with the inner wall of the mounting hole.
5. The agricultural machine seal ring according to claim 1, wherein: the oil seal framework is provided with a plurality of radial dustproof lips.
6. The agricultural machine seal ring according to claim 1 or 5, wherein: the radial dustproof lip is in interference fit with the rotating shaft.
7. The agricultural machine seal ring according to claim 1, wherein: the outer oil seal is further provided with an axial positioning rib, and the axial positioning rib is abutted to the shaft sleeve in the axial direction.
8. The agricultural machine seal ring according to claim 1, wherein: and an oil seal lip is also arranged on the outer oil seal and is abutted against the shaft sleeve in the radial direction.
9. The agricultural machine seal ring of claim 8, wherein: and a spring is arranged on the outer side of the oil seal lip.
10. An agricultural machine, its characterized in that: comprising an agricultural machine seal ring according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010933024.8A CN112096872A (en) | 2020-09-08 | 2020-09-08 | Agricultural machinery sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010933024.8A CN112096872A (en) | 2020-09-08 | 2020-09-08 | Agricultural machinery sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112096872A true CN112096872A (en) | 2020-12-18 |
Family
ID=73751018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010933024.8A Pending CN112096872A (en) | 2020-09-08 | 2020-09-08 | Agricultural machinery sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112096872A (en) |
-
2020
- 2020-09-08 CN CN202010933024.8A patent/CN112096872A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |