CN205841530U - Reversely seal agricultural machinery bearing - Google Patents
Reversely seal agricultural machinery bearing Download PDFInfo
- Publication number
- CN205841530U CN205841530U CN201620810161.1U CN201620810161U CN205841530U CN 205841530 U CN205841530 U CN 205841530U CN 201620810161 U CN201620810161 U CN 201620810161U CN 205841530 U CN205841530 U CN 205841530U
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing
- lip
- sealing ring
- 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 - Fee Related
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- Sealing Of Bearings (AREA)
Abstract
nullThe utility model proposes a kind of reversely sealing agricultural machinery bearing，Including inner ring and outer ring，Described sealing device includes the first identical sealing ring and the second sealing ring，Described first sealing ring is positioned at the outside of the second sealing ring，Described first sealing ring top and outer ring offset with inner ring bottom being fixedly linked，Described second sealing ring top and inner ring offset with outer ring bottom being fixedly linked，Seal clearance is formed between described first sealing ring and the second sealing ring，Described first、Second sealing ring is equipped with rubber bodies、Skeleton and sealing lip，Described sealing lip includes epipharynx、Middle lip and outer lip，Described outer lip cross section is oval，And described outer lip ecto-entad tilts，Described first、The sealing lip of the second sealing ring offsets with inner ring and outer ring respectively，This utility model is multi-layer sealed has good dust reduction capability，And can amass overflowing and dust is flicked，Will not enter in bearing，Improve the service life of bearing.
Description
Technical field
This utility model relates to agricultural machinery bearing, reversely seals agricultural machinery bearing particularly to one.
Background technology
Bearing is to play parts that are fixing and that reduce load coefficient of friction in mechanical transmission course.It may also be said that when other
When parts produce relative motion on axle each other, it is used for reducing the coefficient of friction in power transmission process and holding shaft center
Fixing parts.Bearing is a kind of very important parts in plant equipment in the present age.Its major function is to support machinery rotation
Turning, in order to reduce equipment mechanical load coefficient of friction in transmission process, the bearing being not installed in box body hole needs to make
Support with bearing block.The environment used due to agricultural machinery bearing is mostly severe, has serious dust pollution, in the market
Bearing is generally double-layer seal, and dust easily enters with outer ring gap from back-up ring, and there is also gap between sealing ring and inner ring,
Make dust be easily accessible Bearing inner, affect bearing service life.
Utility model content
In place of the deficiencies in the prior art, this utility model provides a kind of and reversely seals agricultural machinery bearing, and it is multi-layer sealed
There is good dust reduction capability, and dust can be flicked by excessive amassing, will not enter in bearing, improve the use longevity of bearing
Life.
The technical scheme provided for reaching above-mentioned purpose this utility model is: a kind of reversely sealing agricultural machinery bearing, including
Inner ring and outer ring, be provided with rolling element between described inner ring and outer ring, the both sides of described rolling element are provided with sealing device, described sealing
The outside of device is provided with back-up ring, and the top that is fixedly linked with inner ring bottom described back-up ring is near outer ring inwall, described sealing device bag
Including the first identical sealing ring and the second sealing ring, described first sealing ring is positioned at the outside of the second sealing ring, described first close
Seal top and outer ring offset with inner ring bottom being fixedly linked, and described second sealing ring top and inner ring are fixedly linked bottom with outward
Circle offsets, and forms seal clearance between described first sealing ring and the second sealing ring, and described first, second sealing ring is equipped with rubber
Colloid, skeleton and sealing lip, described sealing lip includes that epipharynx, middle lip and outer lip, described outer lip cross section are oval, and institute
Stating outer lip ecto-entad, the sealing lip of described first, second sealing ring offsets with inner ring and outer ring respectively.
Further, the rubber bodies of described first, second sealing ring is fixedly linked with outer ring and inner ring respectively, described rubber
The inwall of body is provided with mounting groove, and described skeleton is fixed in mounting groove, and described sealing lip is arranged on bottom rubber bodies, described rubber
The antetheca of body is skewed, and described outer lip protrudes rubber bodies antetheca.
Further, between described epipharynx and middle lip, it is provided with the first space, is provided with second between described middle lip and outer lip empty
Between.
Further, described outer ring is provided with oil guide groove, and described oil guide groove cross section is U-shaped, and described oil guide groove bottom land is provided with
Oilhole, the through outer ring of described oilhole.
Further, described rolling element is circular, and described rolling element is cased with retainer, and described retainer guides rolling element to protect
Holding in bearing, rolling element is isolated by described retainer with rolling element.
Compared with prior art, have the advantages that
Sealing device described in the utility model includes the first identical sealing ring and the second sealing ring, described first, second
Sealing ring is reversely installed and is cooperated, and considerably increases the sealing property of bearing so that dust is not easily accessible bearing cavity, simultaneously
Described outer lip is that ellipse has certain elasticity, after dust is slipped on outer lip along the outer wall of rubber bodies, and described outer lip energy
Enough effectively dust is flicked, preferably keep the cleaning in bearing in bearing will not be entered so that bearing can use more
For a long time.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is this utility model the first sealing ring or the second ring structure schematic diagram.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of reversely sealing agricultural machinery bearing, including inner ring 1 and outer ring 2, described inner ring 1 and outer ring 2
Between be provided with rolling element 3, described rolling element 3 is circular, and described rolling element 3 is cased with retainer 31, and described retainer 31 guides rolling
Kinetoplast 3 is maintained in bearing, and rolling element 3 is isolated by described retainer 31 with rolling element 3, and the material of retainer 31 has certain strong
Degree, and heat conductivity is good, friction factor is little, wearability is good, impact flexibility is strong, density is less and linear expansion coefficient connects with rolling element 3
Closely；Described outer ring 2 is provided with oil guide groove 21, and described oil guide groove 21 cross section is U-shaped, and described oil guide groove 21 bottom land is provided with oilhole 22,
The described through outer ring of oilhole 22 2, lubricating oil enters oilhole 22 from oil guide groove 21, then enters Bearing inner from oilhole 22, it is possible to
Conveniently bearing is lubricated maintenance, reduces bearing wear, increase the service life.
The both sides of described rolling element 3 are provided with sealing device 4, and the outside of described sealing device 4 is provided with back-up ring 41, described back-up ring
The top that is fixedly linked with inner ring 1 bottom 41 is near outer ring 2 inwall, and described sealing device 4 includes the first identical sealing ring 42 He
Second sealing ring 43, described first sealing ring 42 is positioned at the outside of the second sealing ring 43, and described first sealing ring 42 top is with outer
Circle 2 be fixedly linked bottom offset with inner ring 1, described second sealing ring 43 top and inner ring 1 be fixedly linked bottom and outer ring 2 phase
Support, between described first sealing ring 42 and the second sealing ring 43, form seal clearance 44, the Seal Design of multilamellar so that bearing exists
Rugged environment works, also well can will completely cut off dust, prevent from entering Bearing inner, be greatly increased the use longevity of bearing
Life.
Described first, second sealing ring 42,43 is equipped with rubber bodies 51, skeleton 52 and sealing lip 6, and described sealing lip 6 wraps
Including epipharynx 61, middle lip 62 and outer lip 63, described outer lip 63 cross section is oval, and described outer lip 63 ecto-entad tilts,
It is provided with the first space 64 between described epipharynx 61 and middle lip 62, between described middle lip 62 and outer lip 63, is provided with second space 65, institute
The rubber bodies 51 stating first, second sealing ring 42,43 is fixedly linked with outer ring 2 and inner ring 1 respectively, the inwall of described rubber bodies 51
Being provided with mounting groove 53, described skeleton 52 is fixed in mounting groove 53, can firmly support rubber bodies 51, and described sealing lip 6 is installed
Bottom rubber bodies 51, the sealing lip 6 of described first, second sealing ring 42,43 offsets with inner ring 1 and outer ring 2 respectively, described rubber
The antetheca of colloid 51 is skewed, and described outer lip 63 protrudes rubber bodies 51 antetheca, and described sealing lip 6 can be good at blocking powder
Dirt, it is to avoid dust enters Bearing inner, and the most described outer lip 63 has certain elasticity for ellipse, when dust is along rubber bodies 61
Outer wall be slipped on outer lip 63 after, dust can effectively be flicked by described outer lip 63, preferably protects in will not entering bearing
Hold the cleaning in bearing so that it is more permanent that bearing can use.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model and unrestricted, although
With reference to preferred embodiment, this utility model is described in detail, it will be understood by those within the art that, can be right
The technical solution of the utility model is modified or equivalent, without deviating from spirit and the model of technical solutions of the utility model
Enclosing, it all should be contained in the middle of right of the present utility model.
Claims (5)
1. a reverse sealing agricultural machinery bearing, including inner ring and outer ring, is provided with rolling element, described rolling between described inner ring and outer ring
The both sides of kinetoplast are provided with sealing device, and the outside of described sealing device is provided with back-up ring, is fixedly linked with inner ring bottom described back-up ring
Top is near outer ring inwall, it is characterised in that: described sealing device includes the first identical sealing ring and the second sealing ring, described
First sealing ring is positioned at the outside of the second sealing ring, described first sealing ring top and outer ring be fixedly linked bottom with inner ring phase
Support, described second sealing ring top and inner ring be fixedly linked bottom offset with outer ring, described first sealing ring and the second sealing ring
Between formed seal clearance, described first, second sealing ring is equipped with rubber bodies, skeleton and sealing lip, and described sealing lip includes
Epipharynx, middle lip and outer lip, described outer lip cross section is oval, and described outer lip ecto-entad tilts, described first, second
The sealing lip of sealing ring offsets with inner ring and outer ring respectively.
The agricultural machinery bearing of reverse sealing the most according to claim 1, it is characterised in that: described first, second sealing ring
Rubber bodies is fixedly linked with outer ring and inner ring respectively, and the inwall of described rubber bodies is provided with mounting groove, and described skeleton is fixed on installation
In groove, described sealing lip is arranged on bottom rubber bodies, and the antetheca of described rubber bodies is skewed, before described outer lip protrudes rubber bodies
Wall.
Reverse sealing agricultural machinery bearing the most according to claim 2, it is characterised in that: it is provided with between described epipharynx and middle lip
One space, is provided with second space between described middle lip and outer lip.
Reverse sealing agricultural machinery bearing the most according to claim 1, it is characterised in that: described outer ring is provided with oil guide groove, described
Oil guide groove cross section is U-shaped, and described oil guide groove bottom land is provided with oilhole, the through outer ring of described oilhole.
Reverse sealing agricultural machinery bearing the most according to claim 1, it is characterised in that: described rolling element is circular, described rolling
Kinetoplast is cased with retainer, and described retainer guides rolling element to be maintained in bearing, described retainer by rolling element and rolling element every
From.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620810161.1U CN205841530U (en) | 2016-07-29 | 2016-07-29 | Reversely seal agricultural machinery bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620810161.1U CN205841530U (en) | 2016-07-29 | 2016-07-29 | Reversely seal agricultural machinery bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841530U true CN205841530U (en) | 2016-12-28 |
Family
ID=57641791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620810161.1U Expired - Fee Related CN205841530U (en) | 2016-07-29 | 2016-07-29 | Reversely seal agricultural machinery bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386726A (en) * | 2023-12-13 | 2024-01-12 | 万向钱潮股份公司 | Double-layer sealing bearing |
-
2016
- 2016-07-29 CN CN201620810161.1U patent/CN205841530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386726A (en) * | 2023-12-13 | 2024-01-12 | 万向钱潮股份公司 | Double-layer sealing bearing |
| CN117386726B (en) * | 2023-12-13 | 2024-03-12 | 万向钱潮股份公司 | Double-layer sealing bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20180729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |