CN220396295U - Agricultural machinery bearing - Google Patents
Agricultural machinery bearing Download PDFInfo
- Publication number
- CN220396295U CN220396295U CN202321572995.XU CN202321572995U CN220396295U CN 220396295 U CN220396295 U CN 220396295U CN 202321572995 U CN202321572995 U CN 202321572995U CN 220396295 U CN220396295 U CN 220396295U
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- Prior art keywords
- sealing
- outer ring
- inner ring
- framework
- ring
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- 238000007789 sealing Methods 0.000 claims abstract description 109
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 5
- 239000010959 steel Substances 0.000 claims abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 2
- 241001531957 Opsariichthys uncirostris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Sealing With Elastic Sealing Lips (AREA)
Abstract
The utility model discloses an agricultural machinery bearing, which comprises an inner ring and an outer ring, wherein a retainer is arranged between the inner ring and the outer ring, steel balls are arranged in the retainer, a sealing assembly is arranged between the inner ring and the outer ring, the retainer is surrounded by the sealing assembly, the sealing assembly comprises a first sealing group and a second sealing group, the first sealing group and the second sealing group are both arranged between the inner ring and the outer ring, a gap between the inner ring and the outer ring is closed, and the second sealing group is arranged outside the first sealing group. According to the utility model, through the double protection sealing structure of the first sealing group and the second sealing group, effective isolation of external media can be realized, and the first sealing group and the second sealing group both adopt a multi-point sealing mode, so that complete breakthrough of the external media can be avoided to the greatest extent, normal use of the bearing is effectively ensured, and the service life of the bearing is prolonged.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to an agricultural machinery bearing.
Background
At present, an agricultural machine bearing is an important basic component of agricultural machine equipment, can be applied to agricultural machines such as agricultural vehicles, ditching machines and the like, along with the development of agricultural automation, the requirements on the agricultural machines are higher and higher, the reliability of the bearing with a traditional sealing structure on the agricultural machines cannot be met, such as an agricultural machine bearing dust cover disclosed in CN200820166467.3, the existing dust cover occupies a larger internal space, and has overlarge sealing torque.
Disclosure of Invention
The utility model provides an agricultural machinery bearing with high sealing effect, which aims to avoid the defects existing in the prior art.
The utility model solves the technical problems by adopting the following technical scheme: the utility model provides an agricultural machinery bearing, includes an inner circle and an outer lane, be provided with the keeper between inner circle and the outer lane, be provided with the steel ball in the keeper, still be provided with seal assembly between inner circle and the outer lane, seal assembly is around including the keeper, seal assembly includes seal group one and seal group two, seal group one and seal group two all set up between inner circle and outer lane to seal the clearance between inner circle and the outer lane, just seal group two sets up in seal group one's outside.
In several embodiments, the outer side surface of the outer ring is provided with two depressions facing the central line direction of the outer ring, the depressions form two sealing areas I and two sealing areas II which are distributed in a step shape on the outer ring, and the positions of the outer side surfaces where the depressions are not present form a sealing surface.
In several embodiments, the first sealing group includes a first framework and a first sealing body, where the first framework is abutted to an inner wall of the sealing area, and a gap exists between the first framework and the inner ring, the first sealing body is attached to an inner side of the first framework, and the first sealing body is disposed between the inner ring and the outer ring.
In several embodiments, a plurality of lips are extended from the bottom of the first sealing body, and the lips are abutted against the outer wall of the inner ring.
In several embodiments, the end of the inner ring is recessed inwardly and forms a receiving area.
In several embodiments, the sealing assembly includes a second frame and a second sealing body, where the second frame is connected to the receiving area of the inner ring, and a gap exists between the second frame and the outer ring, and the second sealing body is disposed between the receiving area and the outer ring.
In several embodiments, the second sealing body extends upwards from the bottom of the inner side of the second framework to beyond the top of the second framework, and the top of the second sealing body forms a first sealing lip and a second sealing lip, wherein the first sealing lip is abutted with the sealing surface, and the second sealing lip is abutted with the second sealing area.
The utility model has the beneficial effects that:
according to the utility model, through the double protection sealing structure of the first sealing group and the second sealing group, effective isolation of external media can be realized, and the first sealing group and the second sealing group both adopt a multi-point sealing mode, so that complete breakthrough of the external media can be avoided to the greatest extent, normal use of the bearing is effectively ensured, and the service life of the bearing is prolonged.
Drawings
The drawings described herein are for illustration purposes only of selected embodiments and are not intended to represent all possible implementations and should not be construed as limiting the scope of the present utility model.
FIG. 1 schematically illustrates the construction of an agricultural machine bearing in one embodiment;
FIG. 2 schematically illustrates an enlarged structure of portion A of FIG. 1;
fig. 3 schematically shows a part of the structure of fig. 2, wherein the first sealing group and the second sealing group are not included.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, and for the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model but not all embodiments of the present utility model.
Accordingly, the following detailed description of the embodiments of the utility model, provided in connection with the accompanying drawings, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model, as all other embodiments that may be obtained by one of ordinary skill in the art without making inventive efforts based on the embodiments herein, are within the scope of this utility model.
As shown in fig. 1-3, the bearing in this embodiment is mainly suitable for agricultural machinery, and the application environment is relatively bad, and muddy water needs to be prevented from entering the bearing, so that the sealing performance requirement on the bearing is relatively high.
The conventional structure of the bearing is composed of an inner ring 10, an outer ring 20, a retainer 30 and steel balls 40, wherein the outer ring 20 is sleeved outside the inner ring 10, the retainer 30 is arranged between the inner ring 10 and the outer ring 20, and the retainer 30 accommodates the steel balls 40, thereby realizing a ball bearing structure.
The sealing assembly is further arranged between the inner ring 10 and the outer ring 20, the retainer 30 is surrounded by the sealing assembly, the sealing assembly comprises a first sealing group 100 and a second sealing group 200, the first sealing group 100 and the second sealing group 200 are both arranged between the inner ring 10 and the outer ring 20 and seal a gap between the inner ring 10 and the outer ring 20, and the second sealing group 200 is arranged outside the first sealing group 100.
In order to facilitate the effective connection between the sealing assembly and the inner ring 10, 20, there are first two recesses on the outer side of the outer ring 20 towards the central line of the outer ring 20, said recesses forming two sealing areas 21 and 22 distributed in a step-like manner on the outer ring 20, the outer side of which is not present forming a sealing surface 23.
Next, a recess is provided at the end of the inner ring 10 toward the center line direction and forms a receiving area 11.
According to the sealing area one 21, the sealing area two 22 and the sealing surface 23 which are configured as described above, the sealing group one 100 is correspondingly composed of the first skeleton 110 and the first sealing body 120 which are connected, wherein the top end of the first skeleton 110 is in a hook shape and is abutted against the inner wall of the sealing area one 21, a gap exists between the bottom of the first skeleton 110 and the inner ring 10, the first sealing body 120 is abutted against the inner side surface position of the first skeleton 110, the first sealing body 120 is arranged between the inner ring 10 and the inner ring 10, the top of the first sealing body 120 is abutted against the corner position of the sealing area one 21 in the inner ring 10 to form a sealing point, and at least three lips 121 are arranged at the bottom of the first sealing body 120 in an extending manner, and the lips 121 are abutted against the outer wall of the inner ring 10 to form at least three sealing points.
Correspondingly, the second sealing group 200 includes a second frame 210 and a second sealing body 220 that are connected, the bottom end of the second frame 210 abuts against the accommodating area 11 of the inner ring 10, a gap exists between the top end of the second frame 210 and the outer ring 20, and the second sealing body 220 is disposed between the accommodating area 11 and the outer ring 20.
Specifically, the second sealing body 220 extends upward from the bottom of the inner side of the second frame 210 to beyond the top of the second frame 210, and the bottom of the second sealing body 220 fills the gap between the second frame 210 and the accommodating area 11, and forms a sealing point at this position.
The top of the second sealing body 220 is wrapped on the inner side and the outer side of the second framework 210, the top of the second sealing body 220 protrudes upwards to form a first sealing lip 221 and a second sealing lip 222, the first sealing lip 221 is abutted against the sealing surface 23, and the second sealing lip 222 is abutted against the second sealing area 22 to form two sealing points.
All of the manners described herein may be performed in any suitable order. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate the utility model and does not pose a limitation on the scope of the utility model unless otherwise claimed. No language in the specification should be construed as indicating any non-claimed element as essential to the practice of the utility model.
The present utility model describes preferred embodiments, including the best mode known to the inventors for carrying out the utility model. Variations of these preferred embodiments will, of course, be apparent to those skilled in the art. The inventors expect skilled artisans to employ such variations as appropriate, and the inventors intend for the utility model to be practiced otherwise than as specifically described herein. Accordingly, this utility model includes all modifications encompassed within the spirit and scope of the utility model as defined by the claims. Moreover, unless indicated otherwise or clearly contradicted by context, the present utility model includes any of the above-described factors and all possible variations thereof.
Claims (4)
1. The agricultural machinery bearing comprises an inner ring and an outer ring, wherein a retainer is arranged between the inner ring and the outer ring, steel balls are arranged in the retainer, a sealing assembly is further arranged between the inner ring and the outer ring, and the retainer is surrounded by the sealing assembly;
the outer side surface of the outer ring is provided with two depressions facing the central line direction of the outer ring, the depressions form two sealing areas I and two sealing areas II which are distributed in a step shape on the outer ring, and the positions of the outer side surfaces where the depressions do not exist form a sealing surface;
the second sealing assembly comprises a second framework and a second sealing body, the second framework is connected with the accommodating area of the inner ring in a propping mode, a gap exists between the second framework and the outer ring, the second sealing body is arranged between the accommodating area and the outer ring, the second sealing body extends upwards from the bottom of the inner side of the second framework to the top of the second framework beyond, the top of the second sealing body forms a first sealing lip and a second sealing lip, the first sealing lip is propped against the sealing surface, and the second sealing lip is propped against the second sealing area.
2. The agricultural machinery bearing of claim 1, wherein the first sealing group comprises a first framework and a first sealing body, the first framework is abutted against an inner wall of the sealing area, a gap exists between the first framework and the inner ring, the first sealing body is attached to the inner side of the first framework, and the first sealing body is arranged between the inner ring and the outer ring.
3. The agricultural machinery bearing of claim 2, wherein the bottom of the first sealing body is provided with a plurality of lips extending, and the lips are abutted against the outer wall of the inner ring.
4. An agricultural machinery bearing according to claim 3, wherein the end of the inner race is recessed inwardly and forms a receiving area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572995.XU CN220396295U (en) | 2023-06-19 | 2023-06-19 | Agricultural machinery bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321572995.XU CN220396295U (en) | 2023-06-19 | 2023-06-19 | Agricultural machinery bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396295U true CN220396295U (en) | 2024-01-26 |
Family
ID=89604246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321572995.XU Active CN220396295U (en) | 2023-06-19 | 2023-06-19 | Agricultural machinery bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396295U (en) |
-
2023
- 2023-06-19 CN CN202321572995.XU patent/CN220396295U/en active Active
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| GR01 | Patent grant | ||
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