CN213332371U - Agricultural machinery sealing ring - Google Patents

Abstract

The utility model 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

Agricultural machinery sealing ring

Technical Field

The utility model relates to an agricultural mechanical seal field, in particular to agricultural machinery sealing washer.

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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an agricultural machinery sealing washer can prevent revealing of lubricating oil, has reduced the maintenance number of times and the time of agricultural machinery, has improved the life-span of work efficiency and agricultural machinery.

The utility model also provides an agricultural machinery with above-mentioned agricultural machinery sealing washer.

According to the utility model discloses an agricultural machinery sealing washer of first aspect embodiment, include: 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.

According to the utility model discloses agricultural machinery sealing washer has following beneficial effect at least: 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 the utility model discloses a some embodiments, the oil blanket skeleton includes canned paragraph and bend segment, the canned paragraph is fixed in the outside of outer oil blanket, the bend segment with contained angle between the canned paragraph is the 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 the utility model discloses a some embodiments, the axle sleeve outside is provided with the edge the outside axle sleeve lip that extends of axle sleeve, the axle sleeve lip butt in the inner wall is adjusted the structure of axle sleeve, has increased the axle sleeve lip outside the axle sleeve, has improved the sealing capacity of axle sleeve in limited installation space.

According to the utility model discloses a some embodiments, the axle sleeve lip with be interference fit between the inner wall of mounting hole, sealed with fixed effectual, difficult emergence drops and reveals.

According to the utility model discloses a some embodiments, be provided with a plurality ofly on the oil blanket skeleton radial dustproof lip sets up a plurality of radial dustproof lips and can further promote outer oil blanket at radial ascending sealing ability, has improved the sealed effect of sealing washer.

According to the utility model discloses a some embodiments, radial dustproof lip with be interference fit between the pivot, sealed with fixed effectual, difficult emergence drops and reveals.

According to the utility model discloses a some embodiments, still be provided with the axial positioning muscle on the outer oil blanket, the axial positioning muscle in the axial butt in the axle sleeve, the location that the axial positioning muscle is used for outer oil blanket has ensured the accuracy with the axial relative position of axle sleeve assembly back outer oil blanket.

According to the utility model discloses a some embodiments, still be provided with the oil blanket lip on the outer oil blanket, the oil blanket lip in radial butt in axle sleeve, oil blanket lip have played the effect that prevents lubricating oil and reveal.

According to the utility model discloses a some embodiments, the oil blanket lip outside is provided with the spring in order to promote the oil blanket lip is right the power of hugging closely of pivot, the pressure of spring has improved the power of hugging closely of lip counter shaft, makes the oil blanket sealed reliable.

According to the agricultural machinery of the embodiment of the second aspect of the utility model, including above-mentioned embodiment the agricultural machinery sealing washer.

According to the utility model discloses agricultural machinery has following beneficial effect at least: 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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, 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, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, 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 there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, the utility model discloses an agricultural machinery sealing washer of first aspect embodiment 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.

According to the utility model discloses agricultural machinery sealing washer has following beneficial effect at least: 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 the utility model discloses a some embodiments, oil blanket skeleton 310 includes canned paragraph 311 and bending section 312, canned paragraph 311 is fixed in the outside of outer oil blanket 310, bending section 312 with contained angle between canned paragraph 311 is the acute angle, oil blanket skeleton 310 the bending section 312 to the opposite direction of axial dustproof lip 320 is buckled, and bending section 312 skeleton changes the structure of bending from ordinary "L" shape, has vacated the space and has installed the end face seal lip additional, and outer oil blanket 300 changes the type skeleton of adopting bending in addition, has reduced the rubber use amount greatly, has reduced raw and other materials cost.

According to some embodiments of the utility model, the axle sleeve 200 outside is provided with the edge the outside axle sleeve lip 210 that extends of axle sleeve 200, axle sleeve lip 210 butt in inner wall 400 is adjusted the structure of axle sleeve 200, has increased axle sleeve lip 210 in the axle sleeve 200 outside, has improved the sealing capacity of axle sleeve 200 in 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 utility model, axle sleeve lip 210 with be interference fit between the inner wall 400 of mounting hole, sealed with fixed effectual, difficult emergence drops and reveals.

According to the utility model discloses a some embodiments, be provided with a plurality ofly on the oil blanket skeleton 310 radial dustproof lip 330 sets up a plurality of radial dustproof lips 330 and can further promote outer oil blanket 300 in radial ascending sealing ability, has improved the sealed effect of sealing washer.

According to the utility model discloses a some embodiments, radial dustproof lip 330 with be interference fit between the pivot 100, sealed with fixed effectual, difficult emergence drops and reveals.

According to the utility model discloses a some embodiments, still be provided with axial positioning muscle 340 on the outer oil blanket 300, axial positioning muscle 340 in the axial butt in the border of axle sleeve 200, axial positioning muscle 340 are used for the location of outer oil blanket 300, have ensured the accuracy with the axial relative position of axle sleeve 200 assembly back outer oil blanket 300.

According to the utility model discloses a some embodiments, still be provided with oil blanket lip 350 on the outer oil blanket 300, oil blanket lip 350 in radial butt in axle sleeve 200, oil blanket lip 350 has played the effect that prevents lubricating oil and reveal.

According to the utility model discloses a some embodiments, the oil blanket lip 350 outside is provided with spring 360 in order to promote oil blanket lip 350 is right pivot 100 hold tightly power, and spring 360's pressure has improved the power of holding tightly of lip counter shaft, makes the oil blanket sealed reliable.

According to the agricultural machinery of the embodiment of the second aspect of the utility model, including above-mentioned embodiment the agricultural machinery sealing washer.

According to the utility model discloses agricultural machinery has following beneficial effect at least: 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 without departing from the spirit of the present invention within the knowledge of those skilled in the art.

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.

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