CN203560293U - Novel shaft-coupling bearing for agricultural machinery - Google Patents
Novel shaft-coupling bearing for agricultural machinery Download PDFInfo
- Publication number
- CN203560293U CN203560293U CN201320654513.5U CN201320654513U CN203560293U CN 203560293 U CN203560293 U CN 203560293U CN 201320654513 U CN201320654513 U CN 201320654513U CN 203560293 U CN203560293 U CN 203560293U
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- CN
- China
- Prior art keywords
- ring
- agricultural machinery
- seal
- shaft connecting
- connecting bearing
- 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.)
- Expired - Lifetime
Links
- 238000010168 coupling process Methods 0.000 title abstract 5
- 238000005859 coupling reaction Methods 0.000 title abstract 5
- 239000000428 dust Substances 0.000 claims abstract description 34
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229920006503 PA66-GF25 Polymers 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a novel shaft-coupling bearing for agricultural machinery, and belongs to the field of machinery. The novel shaft-coupling bearing for the agricultural machinery comprises an outer ring, a shaft, a rolling body, a retainer, a dust cover, and a seal ring, wherein the rolling body is mounted in a rolling path between the outer ring and the shaft through the retainer; two sides of the inner diameter of the outer ring both are provided with dustproof seal grooves, the dust cover is a disk, the outer diameter of the disk is inlaid in the dustproof seal groove in one of the two sides, the seal ring is a labyrinth seal ring, the outer diameter of the seal ring is inlaid in the dustproof seal groove in the other side, moreover, the inner diameter of the seal ring and the shaft are in interference fit. The novel shaft-coupling bearing for the agricultural machinery is simple in structure, a work region of the shaft-coupling bearing is completely isolated from the outside by the disk type dust cover at one end and the labyrinth double-lip seal ring at the other end, outside dust is effectively prevented from invading into the bearing, and the service life of the bearing is prolonged.
Description
Technical field
The utility model relates to a kind of agricultural machinery shaft connecting bearing, belongs to mechanical field.
Background technique
Shaft connecting bearing is actually the one distortion of the Bearing with multiple rows of balls of two row deep groove ball bearings and axle sleeve composition; Feature is: designs simplification two raceway shaft connecting bearings, there is no the inside race of general bearing, two raceways are directly processed on axle, and have the assemblying body of outer collar, rolling element, retainer and the seal ring composition axle sleeve of two raceways.Due to the work under bad environment of farm machinery, the sealability of shaft connecting bearing is proposed to higher requirement, be mainly to prevent that extraneous dust from invading bearing inside, and affect bearing working life.Between the dust cover of common use and axle, have and be provided with certain gap, can not prevent the invasion of extraneous dust completely, so practicability is affected to a certain extent.
Summary of the invention
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide a kind of one end enclosed type dust cover is installed, the other end is provided with the agricultural machinery shaft connecting bearing of maze type lips dust-proof seal ring, has good seal performance, the advantage such as simple in structure, easy to assembly.
The technical solution of the utility model is:
A kind of agricultural machinery shaft connecting bearing, comprise outer ring, axle, rolling element, retainer, dust cover and seal ring etc., wherein, on the internal diameter of described outer ring, establish two outer raceways, the external diameter of described axle is provided with two interior raceways corresponding with outer raceway, retainer is arranged between outer ring and axle, and rolling element is arranged in the raceway between outer ring and axle by retainer; The both sides of described outer ring internal diameter are equipped with a dust sealing groove, dust sealing groove is positioned at the outside of outer ring two outer raceways, described dust cover is a disk, its external diameter peace is embedded in the dust sealing groove of a side wherein, described seal ring is maze type seal ring, the external diameter peace of seal ring is embedded in the dust sealing groove of opposite side, the internal diameter of seal ring and axle interference fit.
Above-mentioned seal ring is maze type double-lip sealing ring, comprises annular skeleton and the close adhesion O-ring seal in skeleton inner side, and seal ring one end is pacified and is embedded in dust sealing groove by skeleton, and the other end is by lips and the axle interference fit of O-ring seal.
Described O-ring seal is comprised of the first lip, the second lip and the joint that connects above-mentioned two lips, and the first lip, the second lip are arranged in parallel, and O-ring seal adopts nitrile rubber material.
As preferentially, above-mentioned skeleton is by an annular hook part, an annular inclined plane part, and an annular planar surface portion is connected in sequence, the joint close adhesion of the inner side of inclined plane part and O-ring seal, and skeleton adopts No. 10 steel plates.
Described enclosed type dust cover adopts No. 10 steel plate materialses.
Described rolling element adopts GCr15 material steel ball or roller.
Described outer ring and axle adopt GCr15 material outer ring.
Described retainer adopts PA66-GF25 material retainer.
The utlity model has positive effect: the utility model is simple in structure, one end is by the dust cover of disc type, the other end by maze type double-lip sealing ring by the working area of shaft connecting bearing with extraneous thoroughly isolated, effectively prevent that extraneous dust from invading bearing inside, improved bearing working life.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below.Wherein:
Fig. 1 is the agricultural machinery shaft connecting bearing structure half sectional view of the present embodiment;
Fig. 2 is the agricultural machinery shaft connecting bearing maze type double-lip seal coil structures half sectional view of the present embodiment.
concrete case study on implementation
As shown in Figure 1, a kind of agricultural machinery shaft connecting bearing, comprise outer ring 1, axle 2, rolling element 3, retainer 4, dust cover 5 and seal ring 6 etc., wherein, on the internal diameter of described outer ring 1, establish two outer raceways, the external diameter of described axle 2 is provided with two interior raceways corresponding with outer raceway, and retainer 4 is arranged between outer ring 1 and axle 2, and rolling element 3 is arranged in the raceway between outer ring 1 and axle 2 by retainer 4; The both sides of described outer ring 1 internal diameter are equipped with a dust sealing groove 11, and described dust cover 5 is a disk, and its external diameter peace is embedded in the dust sealing groove 11 of a side wherein, and dust sealing groove 11 is positioned at the outside of the 2 liang of outer raceways in outer ring.Described seal ring 6 is maze type seal ring, and the external diameter peace of seal ring 6 is embedded in the dust sealing groove 11 of opposite side, the internal diameter of seal ring 6 and axle interference fit.
In the present embodiment, above-mentioned seal ring 6 is maze type double-lip sealing ring, as shown in Figure 2, comprise annular skeleton 62 and O-ring seal 61, described O-ring seal 61 is comprised of the first lip 611, the second lip 612 and the joint 613 that connects above-mentioned two lips, the first lip 611, the second lip 612 are arranged in parallel, and O-ring seal 61 adopts nitrile rubber material.Above-mentioned skeleton 62 is by an annular hook part 621, an annular inclined plane part 622, and an annular planar surface portion 623 is connected in sequence, the inner side of inclined plane part 622 and the joint of O-ring seal 613 close adhesion, and skeleton adopts No. 10 steel plates.Seal ring 6 one end are embedded in dust sealing groove 11 by hook part 621 peaces of skeleton, and the other end is by lips and axle 2 interference fit of O-ring seal 61.
Described enclosed type dust cover 5 adopts steel plate materials No. 10.
Described rolling element 3 adopts GCr15 material steel ball or roller.
Described outer ring 1 and axle 2 adopt GCr15 material outer ring.
Described retainer 4 adopts PA66-GF25 material retainer.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description to do; or directly or indirectly use the technical field that is attached to other Related products, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an agricultural machinery shaft connecting bearing, it is characterized in that: comprise outer ring, axle, rolling element, retainer, dust cover and seal ring, wherein, on the internal diameter of described outer ring, establish two outer raceways, the external diameter of described axle is provided with two interior raceways corresponding with outer raceway, retainer is arranged between outer ring and axle, and rolling element is arranged in the raceway between outer ring and axle by retainer; The both sides of described outer ring internal diameter are equipped with a dust sealing groove, dust sealing groove is positioned at the outside of outer ring two outer raceways, described dust cover is a disk, its external diameter peace is embedded in the dust sealing groove of a side wherein, described seal ring is maze type seal ring, the external diameter peace of seal ring is embedded in the dust sealing groove of opposite side, the internal diameter of seal ring and axle interference fit.
2. a kind of agricultural machinery shaft connecting bearing as claimed in claim 1, it is characterized in that: above-mentioned seal ring is maze type double-lip sealing ring, comprise annular skeleton and the close adhesion O-ring seal in skeleton inner side, seal ring one end is pacified and is embedded in dust sealing groove by skeleton, and the other end is by lips and the axle interference fit of O-ring seal.
3. a kind of agricultural machinery shaft connecting bearing as claimed in claim 2, is characterized in that: described O-ring seal is comprised of the first lip, the second lip and the joint that connects above-mentioned two lips, and the first lip, the second lip are arranged in parallel.
4. a kind of agricultural machinery shaft connecting bearing as claimed in claim 2, it is characterized in that: above-mentioned skeleton is by an annular hook part, an annular inclined plane part, and an annular planar surface portion is connected in sequence, the joint close adhesion of the inner side of inclined plane part and O-ring seal.
5. a kind of agricultural machinery shaft connecting bearing as claimed in claim 3, is characterized in that: described O-ring seal adopts nitrile rubber material.
6. a kind of agricultural machinery shaft connecting bearing as claimed in claim 4, is characterized in that: described skeleton adopts No. 10 steel plates.
7. a kind of agricultural machinery shaft connecting bearing as claimed in claim 1, is characterized in that: described dust cover adopts No. 10 steel plate materialses.
8. a kind of agricultural machinery shaft connecting bearing as claimed in claim 1, is characterized in that: described rolling element adopts GCr15 material steel ball or roller.
9. a kind of agricultural machinery shaft connecting bearing as claimed in claim 1, is characterized in that: described outer ring and axle adopt GCr15 material outer ring.
10. a kind of agricultural machinery shaft connecting bearing as claimed in claim 1, is characterized in that: described retainer adopts PA66-GF25 material retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654513.5U CN203560293U (en) | 2013-10-22 | 2013-10-22 | Novel shaft-coupling bearing for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654513.5U CN203560293U (en) | 2013-10-22 | 2013-10-22 | Novel shaft-coupling bearing for agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560293U true CN203560293U (en) | 2014-04-23 |
Family
ID=50510016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320654513.5U Expired - Lifetime CN203560293U (en) | 2013-10-22 | 2013-10-22 | Novel shaft-coupling bearing for agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736581A (en) * | 2016-05-17 | 2016-07-06 | 安徽利达汽车轴承制造有限公司 | Bearing sealing ring |
-
2013
- 2013-10-22 CN CN201320654513.5U patent/CN203560293U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736581A (en) * | 2016-05-17 | 2016-07-06 | 安徽利达汽车轴承制造有限公司 | Bearing sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |