CN208702902U - A kind of agricultural machinery bearing that band preloads - Google Patents
A kind of agricultural machinery bearing that band preloads Download PDFInfo
- Publication number
- CN208702902U CN208702902U CN201821124579.2U CN201821124579U CN208702902U CN 208702902 U CN208702902 U CN 208702902U CN 201821124579 U CN201821124579 U CN 201821124579U CN 208702902 U CN208702902 U CN 208702902U
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- ring
- agricultural machinery
- preloads
- inner ring
- band
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Abstract
The utility model relates to a kind of agricultural machinery bearing, in particular to a kind of agricultural machinery bearing for being mainly used in the agricultural machinery band such as disc harrow, disc plough and preloading.The various mal-conditions such as soil, mud, sandstone in agricultural machinery bearing agricultural mechanical work environment, and existing bearing seal performance is relatively poor, service life is short, at high cost.Seal groove is opened in a kind of agricultural machinery bearing that band preloads, outer ring two sides, and inner surface is equipped with channel, is embedded with the first inner ring and the second inner ring in outer ring, steel ball is arranged in the first inner ring, the second inner ring and retainer, channel forms negative clearance with steel ball namely preloads；It is equipped with the second sealing ring in retainer outer side seal groove, is equipped with protection cap on the outside of the second sealing ring；The outer diameter of outer ring is equipped with step, and the first sealing ring is arranged at small end step, and outer ring and the outer side wall of the first sealing ring are equipped with protective cover.This is practical with excellent sealing performance, and smooth running extends the service life of bearing, and is easy to install and remove.
Description
Technical field
The utility model relates to a kind of agricultural machinery bearing, in particular to one kind is mainly used in the agriculturals such as disc harrow, disc plough
The agricultural machinery bearing that mechanical band preloads.
Background technique
Currently, agricultural machinery bearing is generally based on deep groove ball bearing, bearing with spherical outside surface, angular contact ball bearing, it is contemplated that agricultural
The various mal-conditions such as soil, mud, sandstone in machine work environment, the leakproofness of bearing is paid close attention in design bearing mostly
Can, more lip weight torque contact seals often become its main feature, and existing bearing seal performance is relatively poor, uses the longevity
Order it is short, it is at high cost.
Utility model content
The purpose of the utility model is to solve the deficiencies of the prior art, provides a kind of high sealing reliability, low energy consumption, exempts from
The agricultural machinery bearing that the band of maintenance preloads.
A kind of agricultural machinery bearing that band preloads, including outer ring, steel ball and retainer, the agricultural machinery bearing that the band preloads
It further include the first inner ring, the second inner ring, the first sealing ring, protective cover, the second sealing ring and protection cap, the outer ring two sides are opened
Seal groove, inner surface are equipped with channel, are embedded with the first inner ring and the second inner ring, the first inner ring, the second inner ring and holding in outer ring
Steel ball is arranged in frame, channel forms negative clearance with steel ball namely preloads；It is close that second is equipped in retainer outer side seal groove
Seal, the second sealing ring outside are equipped with protection cap；The outer diameter of outer ring is equipped with step, is arranged with the first sealing at small end step
The outer side wall of circle, outer ring and the first sealing ring is equipped with protective cover.
As further improving and supplementing to above scheme, the utility model further includes following additional technical feature:
The outer ring is equipped with multiple uniformly distributed screw holes, is fixed conveniently.
Plastic bushing, wear-resisting long service life are arranged between the internal diameter of first inner ring and the second inner ring.
Chamfered transition on the protection flaring, first sealing ring is at tower-like setting.
It is bonded for multiple tracks lip structure with protective cover on the section of first sealing ring, sealing effect is good.
The material of first sealing ring and the second sealing ring is nitrile rubber, long service life.
First sealing ring and outer ring, the second sealing ring and protection cap, the first inner ring, at the second inner ring combination,
Interference fit.
Using the utility model can achieve it is following the utility model has the advantages that this it is practical have excellent sealing performance, smooth running,
The service life of bearing is extended, and is easy to install and remove.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial enlarged view in the utility model at A.
Fig. 3 is the partial enlarged view in the utility model at B.
Specific embodiment
Specific embodiment of the present utility model is described in detail with reference to the accompanying drawing.
As shown in Figure 1-3, the utility model is a kind of agricultural machinery bearing that band preloads.
The agricultural machinery bearing that band described in the present embodiment preloads, including outer ring 1, the first inner ring 2, the second inner ring 3, Duo Gegang
Ball 4, retainer 5, the first sealing ring 6, protective cover 7, the second sealing ring 8, protection cap 9 and plastic bushing 10.1 end face of outer ring
It opens 5 etc. and divides screw hole 11, outer diameter has step, and seal groove 12 is opened in two sides, and inner surface is equipped with channel, and 2 outer diameter of the first inner ring has platform
Rank, side are 1/4 channel, form 1/2 channel with second inner ring 3, the steel ball 4 be fastened on outer ring 1 and the first inner ring 2,
In channel between second inner ring 3, the retainer 5 is evenly distributed in multiple steel balls 4 in the ball pocket of retainer 5, channel
Negative clearance is formed with steel ball 4 namely is preloaded；First sealing ring, 6 internal diameter and the step of outer ring 1, which are formed, to be interference fitted, outer diameter
Logical with sealing is formed on the inside of the protective cover 7, the holding is covered to be interference fitted at 7 internal diameters and 3 step of the second inner ring, and described second
8 outer diameter of sealing ring is located in the both sides sealing slot 12 of outer ring 1, internal diameter with 9 groups of the protection cap merge respectively with first in
It encloses and forms interference fit at the step of the 2, second inner ring 3, the plastic bushing 10 connects the interior of the first inner ring 2 and the second inner ring 3
At diameter, serves and be connected and fixed.The outer diameter of outer ring 1 is equipped with step, is arranged with the first sealing ring 6,1 He of outer ring at small end step
The outer side wall of first sealing ring 6 is equipped with protective cover 7.
Further, chamfered transition on 7 side of protective cover, first sealing ring 6 is at tower-like setting.And it is described
The first sealing ring 6 section on be bonded with protective cover 7 for multiple tracks lip structure.
Further, the material of first sealing ring 6 and the second sealing ring 8 is nitrile rubber.
This is practical in use, axis passes through plastic bushing 10, and is fixed with screw hole 11.
The above are preferred embodiments of the present invention, do not limit the protection scope of the utility model, for ability
The deformation and improvement that field technique personnel mentality of designing according to the present utility model is made, all should be considered as the protection of the utility model
Within the scope of.
Claims (7)
1. a kind of agricultural machinery bearing that band preloads, including outer ring (1), steel ball (4) and retainer (5), it is characterised in that: described
The agricultural machinery bearing that band preloads further includes the first inner ring (2), the second inner ring (3), the first sealing ring (6), protective cover (7), second
Sealing ring (8) and protection cap (9), the outer ring (1) two sides are opened seal groove (12), and inner surface is equipped with channel, and outer ring (1) is embedded
Equipped with the first inner ring (2) and the second inner ring (3), steel ball is arranged in the first inner ring (2), the second inner ring (3) and retainer (5)
(4), channel forms negative clearance with steel ball (4) namely preloads；The second sealing is equipped in retainer (5) outer side seal groove (12)
It encloses (8), is equipped with protection cap (9) on the outside of the second sealing ring (8)；The outer diameter of outer ring (1) is equipped with step, is arranged at small end step
First sealing ring (6), outer ring (1) and the first sealing ring (6) outer side wall are equipped with protective cover (7).
2. the agricultural machinery bearing that band as described in claim 1 preloads, it is characterised in that: the outer ring (1) is equipped with multiple
Uniformly distributed screw hole (11).
3. the agricultural machinery bearing that band as described in claim 1 preloads, it is characterised in that: first inner ring (2) and second
Plastic bushing (10) are arranged between the internal diameter of inner ring (3).
4. the agricultural machinery bearing that band as described in claim 1 preloads, it is characterised in that: chamfering on described protective cover (7) side
Transition, first sealing ring (6) is at tower-like setting.
5. the agricultural machinery bearing that band as described in claim 1 preloads, it is characterised in that: first sealing ring (6) is cut
It is bonded for multiple tracks lip structure with protective cover (7) on face.
6. the agricultural machinery bearing that band according to any one of claims 1 to 5 preloads, it is characterised in that: first sealing
The material for enclosing (6) and the second sealing ring (8) is nitrile rubber.
7. the agricultural machinery bearing that band as claimed in claim 6 preloads, it is characterised in that: first sealing ring (6) and outer
It encloses (1), the second sealing ring (8) and protection cap (9), the first inner ring (2) at the second inner ring (3) combination, are interference fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124579.2U CN208702902U (en) | 2018-07-16 | 2018-07-16 | A kind of agricultural machinery bearing that band preloads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124579.2U CN208702902U (en) | 2018-07-16 | 2018-07-16 | A kind of agricultural machinery bearing that band preloads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208702902U true CN208702902U (en) | 2019-04-05 |
Family
ID=65938214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821124579.2U Active CN208702902U (en) | 2018-07-16 | 2018-07-16 | A kind of agricultural machinery bearing that band preloads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208702902U (en) |
-
2018
- 2018-07-16 CN CN201821124579.2U patent/CN208702902U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201026 Address after: 312500 Xinchang provincial hi tech Industrial Park, Zhejiang, Shaoxing Patentee after: ZHEJIANG CMI BEARING Co.,Ltd. Address before: 312500 Xinchang provincial hi tech Industrial Park, Zhejiang, Shaoxing Patentee before: ZHEJIANG XINCHANG ZHANWANG MACHINERY Co.,Ltd. |