CN207961293U - Farm machinery bearing arrangement - Google Patents
Farm machinery bearing arrangement Download PDFInfo
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- CN207961293U CN207961293U CN201820372800.XU CN201820372800U CN207961293U CN 207961293 U CN207961293 U CN 207961293U CN 201820372800 U CN201820372800 U CN 201820372800U CN 207961293 U CN207961293 U CN 207961293U
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Abstract
The utility model is related to a kind of farm machinery bearing arrangements, including mandrel and bearing, the axial two-port of bearing is equipped with the rubber seal realized and sealed between bearing inner race and bearing outer ring, the inner ring of bearing is sleeved on one end of mandrel, outer ring axial direction one end of bearing is equipped with the closed end cap for covering outer ring port, the outer ring axial direction other end of the bearing is sealed with gear mud collar, the gear mud collar fixing sleeve is loaded on mandrel, the outer ring of gear mud collar and bearing can relatively rotate, keeping off mud collar has the seal face of clearance fit corresponding with the outer ring axial end face of bearing, axial projection is equipped with bulge loop on the seal face, the outer ring axial end face of bearing is equipped with annular seal grooves, the bulge loop of the gear mud collar stretches into the cooperation of annular seal grooves internal clearance.With simple and compact for structure, the good advantage of sealing effect.
Description
Technical field
The utility model is related to technical field of bearings, are specifically the bearing arrangements on farm machinery.
Background technology
A kind of bearing arrangement used on existing farm machinery includes mandrel, and bearing, the inserting of mandrel one end are installed on mandrel
On the inner ring of bearing, between mandrel and bearing and bearing itself is required to be sealed.There is sealing in existing bearing arrangement
Structure design is unreasonable, leads to complicated or poor sealing effect defect.
Invention content
The present utility model purpose：To overcome defect of the existing technology, the utility model to provide a kind of structure letter
Single compact, good farm machinery bearing arrangement of sealing effect.
To achieve the above object, the utility model provides following technical solution：
A kind of farm machinery bearing arrangement, including mandrel and bearing, the axial two-port of bearing, which is equipped with, to be realized in bearing
The rubber seal sealed between circle and bearing outer ring, the inner ring of bearing are sleeved on one end of mandrel, it is characterised in that：The axis
The outer ring axial direction one end held is equipped with the closed end cap for covering outer ring port, and the outer ring axial direction other end of the bearing is sealed with
Mud collar is kept off, loaded on mandrel, the outer ring of gear mud collar and bearing can relatively rotate the gear mud collar fixing sleeve, and gear mud collar has and axis
The outer ring axial end face held corresponds to the seal face of clearance fit, and axial projection is equipped with bulge loop on the seal face, bearing it is outer
It encloses axial end face and is equipped with annular seal grooves, the bulge loop of the gear mud collar stretches into the cooperation of annular seal grooves internal clearance.
By using above-mentioned technical proposal, sealing is realized in one end of bearing arrangement through the closed end cap on bearing outer ring, separately
One end keeps off annular on the outer ring of the bulge loop fitted bearing on mud collar through keeping off the sealing between mud collar realization mandrel and the outer ring of bearing
Sealed groove realizes labyrinth sealing, ensures sealed reliable.
Preferably, the closed end cap is the metal cover of the spherical crown shape in central protuberance under free state, in the outer of bearing
It encloses inner circumferential side and is equipped with the press fitting groove that cricoid, cross sectional shape is U-shaped, be pressed the axially inner side end face of groove for closed end cap
Axial support in a free state, the closed end cap become tabular back edge insertion press fitting groove by free state top pressure shape
Fixed press fitting is constituted in press fitting groove.Under the structure design, closed end cap is arched upward metal cover using the center of spherical crown shape, closing
End cap is correspondingly placed at press fitting groove location, and the inside axial end face for being pressed groove is supported for closed end cap, top pressure closed end cap
Make its shape become tabular rear enclosed end cap edge insertion press fitting groove realize fix, after the completion of assembly it is simple and compact for structure with
And securely, and sealing effect is good.
Preferably, a side ports of the bearing towards sealing end lid are equipped with a rubber seal, another axial end of bearing
Mouth is set there are two rubber seal.Under the structure design, bearing is corresponded to closed end cap side and is sealed using single sealing element, and bearing is another
One end（I.e. corresponding gear mud collar one end）It is sealed using double seal, ensures sealed reliable, and have the advantages that compact-sized.
It is preferred that the single rubber seal of described bearing one end includes rubber ring and U-shaped rigid backbone, U-shaped rigid bone
For frame opening towards axially, rubber ring has the dustproof lip being attached in the outer diameter ring body of U-shaped rigid backbone, the single rubber of bearing one end
Glue sealing element is fixedly installed in through dustproof lip on the outer ring of bearing, and rubber ring, which has, to be attached in the internal diameter ring body of U-shaped rigid backbone
, two sealing lips being axially distributed.Under the structure design, double containment lip can effectively improve sealing effect.
Preferably, two rubber seals of described bearing one end are respectively inner rubber sealing element and outer rubber sealing
Part, inner rubber sealing element and outer rubber sealing element are fixedly installed on the outer ring of bearing, if inner rubber sealing element has
The rubber lip circle group that dry axial direction distribution rubber lip circle is constituted, and it is arranged in the axially external rigid seal lip of rubber lip circle group
Circle, outer rubber sealing element have the rubber lip of axial arranging and rigid baffle ring, corresponding two rubber on the inner ring of bearing
Ladder-like in multistage on the outer circumference surface of sealing element one end, diameter respectively includes first order step groove, second level platform from small to large
Rank slot and third level step groove, in first order step groove, rubber lip contact sealing coordinates the rigidity baffle ring clearance fit
In in the step groove of the second level, rigid seal lip ring gap is matched in third level step groove.Under the structure design, using multistage platform
Scalariform carries out cooperation and inner rubber sealing element uses rubber lip circle group, has the advantages that sealed reliable, and inner rubber is close
Sealing and outer rubber sealing element are in rubber ring flexible（Rubber lip circle group, rubber lip）Outside sets stereosphere（Rigid seal
Lip circle, rigid baffle ring）, have the advantages that sealed reliable and service-strong.
The utility model is further described below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the utility model specific embodiment farm machinery bearing arrangement structural schematic diagram；
Fig. 2 is the utility model specific embodiment closed end cap free state lower structure schematic diagram；
Fig. 3 is part A partial enlarged view in Fig. 1；
Fig. 4 is part B partial enlarged view in Fig. 1.
Specific implementation mode
Referring to attached drawing 1 ~ 4, a kind of farm machinery bearing arrangement disclosed by the utility model, including mandrel 1 and bearing 2,
The axial two-port of bearing 2 is equipped with the rubber seal realized and sealed between bearing inner race 21 and bearing outer ring 22, bearing 2 it is interior
Circle 21 is sleeved on one end of mandrel 1, and mandrel 1 has the installation shaft part installed for bearing, and the free end for installing shaft part turns up to be formed
Flange 11 is to the inner ring axial direction pressing of bearing, and the installation shaft part other end is with the axial limiting shaft shoulder 12,21 warp beam of inner ring of bearing 2
It is gripped to the limit shaft shoulder 12 and the cooperation of flange 11, axial one end in outer ring 22 of the bearing 2, which is equipped with, covers 22 port of outer ring
Closed end cap 3, the axial other end in outer ring 22 of the bearing 2 is sealed with gear mud collar 4, and the gear mud collar 4, which is fixed, to be set with
In on mandrel 1（Gear mud collar 4 can be used interference and be fitted on mandrel, and fastener fixation etc. can also be used）, keep off mud collar 4 and bearing
2 outer ring 22 can relatively rotate, and gear mud collar 4 has the seal face of clearance fit corresponding with 22 axial end face of outer ring of bearing 2,
Axial projection is equipped with bulge loop 41 on the seal face, and 22 axial end face of outer ring of bearing 2 is equipped with annular seal grooves 221, described
The bulge loop 41 of gear mud collar 4 stretches into the cooperation of 221 internal clearance of annular seal grooves.One end of bearing arrangement is through the closing on bearing outer ring
End cap realizes that sealing, the other end keep off the bulge loop cooperation on mud collar through keeping off the sealing between mud collar realization mandrel and the outer ring of bearing
Annular seal grooves realize labyrinth sealing on the outer ring of bearing, ensure sealed reliable.
The closed end cap 3 is the metal cover of the spherical crown shape in central protuberance under free state, in the outer ring of bearing 2 22
Circumference is equipped with the press fitting groove 222 that cricoid, cross sectional shape is U-shaped, is pressed the axially inner side end face 2221 of groove 222 for envelope
The axial support in a free state of closed end lid 3, the closed end cap 3 become tabular back edge by free state top pressure shape and are embedded in
It is pressed groove 222 and constitutes fixed press fitting in press fitting groove 222.When installation, closed end cap is correspondingly placed at press fitting groove position
It sets, the inside axial end face for being pressed groove is supported for closed end cap, and top pressure closed end cap makes its shape become tabular rear enclosed end
The edge insertion press fitting groove of lid, which is realized, to be fixed, simple and compact for structure and secured after the completion of assembly, and sealing effect is good.
One side ports of the bearing 2 towards sealing end lid 3 are equipped with a rubber seal, enable the rubber close for ease of narration
Sealing is the first rubber seal 23, and 2 another axial port of bearing is set there are two rubber seal, this two are enabled for ease of narration
Rubber seal is respectively inner rubber sealing element 24 and outer rubber sealing element 25.Bearing corresponds to closed end cap side using single
Sealing element seals, the bearing other end（I.e. corresponding gear mud collar one end）It is sealed using double seal, ensures sealed reliable, and with knot
The compact advantage of structure.
Wherein, the single rubber seal of described bearing one end, i.e. the first rubber seal 23 include rubber ring 231 and
U-shaped rigid backbone 232, the opening of U-shaped rigid backbone 232 are attached to the outer of U-shaped rigid backbone 232 towards axially, rubber ring 231 has
Dustproof lip 2311 in diameter ring body, the first rubber seal 23 are fixedly installed in through dustproof lip 2311 on the outer ring 22 of bearing 2, rubber
Cushion rubber 231, which has, is attached in the internal diameter ring body of U-shaped rigid backbone 232, two sealing lips 2312 being axially distributed.Double containment lip
Sealing effect can be effectively improved.
Two rubber seals of 2 one end of the bearing are respectively inner rubber sealing element 24 and outer rubber sealing element
25, inner rubber sealing element 24 and outer rubber sealing element 25 are fixedly installed on the outer ring 22 of bearing 2, inner rubber sealing element
24 have the rubber lip circle groups that several axial distribution rubber lip circles 241 are constituted, and to be arranged in 241 groups of rubber lip circle axially external
Rigid seal lip circle 242, outer rubber sealing element 25 has the rubber lip 251 of axial arranging and rigid baffle ring 252, in axis
It is in multistage ladder-like to hold on the outer circumference surface for corresponding to two rubber seal one end on 2 inner ring 21, and diameter is distinguished from small to large
Including first order step groove 211, second level step groove 212 and third level step groove 213,252 gap of the rigidity baffle ring is matched
Together in first order step groove 211, the contact sealing of rubber lip 251 is matched in second level step groove 212, rigid seal lip circle
242 clearance fits are in third level step groove 213.Under the structure design, cooperation and inside rubber are carried out using multi-stage stairs shape
Glue sealing element uses rubber lip circle group, has the advantages that sealed reliable, and inner rubber sealing element and outer rubber sealing element are equal
In rubber ring flexible（Rubber lip circle group, rubber lip）Outside sets stereosphere（Rigid seal lip circle, rigid baffle ring）, there is sealing
Reliable and service-strong advantage.
Claims (5)
1. a kind of farm machinery bearing arrangement, including mandrel and bearing, the axial two-port of bearing, which is equipped with, realizes bearing inner race
The inner ring of the rubber seal sealed between bearing outer ring, bearing is sleeved on one end of mandrel, it is characterised in that：The bearing
Outer ring axial direction one end be equipped with the closed end cap for covering outer ring port, the outer ring axial direction other end of the bearing is sealed with gear
Mud collar, loaded on mandrel, the outer ring of gear mud collar and bearing can relatively rotate the gear mud collar fixing sleeve, and gear mud collar has and bearing
Outer ring axial end face correspond to the seal face of clearance fit, axial projection is equipped with bulge loop, the outer ring of bearing on the seal face
Axial end face is equipped with annular seal grooves, and the bulge loop of the gear mud collar stretches into the cooperation of annular seal grooves internal clearance.
2. farm machinery bearing arrangement according to claim 1, it is characterised in that：The closed end cap is under free state
In the metal cover of the spherical crown shape of central protuberance, the press fitting that cricoid, cross sectional shape is U-shaped is equipped in the outer ring inner circumferential side of bearing
Groove, the axially inner side end face for being pressed groove axially support in a free state for closed end cap, and the closed end cap is by freedom
State top pressure shape becomes tabular back edge insertion press fitting groove and constitutes fixed press fitting in press fitting groove.
3. farm machinery bearing arrangement according to claim 1, it is characterised in that：The side that the bearing is covered towards sealing end
Port is set there are one rubber seal, and another axial port of bearing sets that there are two rubber seals.
4. farm machinery bearing arrangement according to claim 3, it is characterised in that：The single rubber of described bearing one end is close
Sealing includes rubber ring and U-shaped rigid backbone, and U-shaped rigid backbone opening is attached to U-shaped rigid bone towards axially, rubber ring has
Dustproof lip in the outer diameter ring body of frame, the single rubber seal of bearing one end are fixedly installed in the outer ring of bearing through dustproof lip
On, rubber ring, which has, is attached in the internal diameter ring body of U-shaped rigid backbone, two sealing lips being axially distributed.
5. farm machinery bearing arrangement according to claim 3, it is characterised in that：Two rubber of described bearing one end are close
Sealing is respectively inner rubber sealing element and outer rubber sealing element, and inner rubber sealing element and outer rubber sealing element fix peace
On outer ring loaded on bearing, inner rubber sealing element has the rubber lip circle group that several axial distribution rubber lip circles are constituted, and
Be arranged in the axially external rigid seal lip circle of rubber lip circle group, outer rubber sealing element have axial arranging rubber lip and
Rigid baffle ring, in multistage ladder-like on the outer circumference surface of corresponding two rubber seal one end on the inner ring of bearing, diameter by
First order step groove, second level step groove and third level step groove, the rigidity baffle ring clearance fit are as low as respectively included greatly
In in first order step groove, rubber lip contact sealing is matched in the step groove of the second level, and rigid seal lip ring gap is matched with the
In three-level step groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372800.XU CN207961293U (en) | 2018-03-19 | 2018-03-19 | Farm machinery bearing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820372800.XU CN207961293U (en) | 2018-03-19 | 2018-03-19 | Farm machinery bearing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207961293U true CN207961293U (en) | 2018-10-12 |
Family
ID=63725029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820372800.XU Active CN207961293U (en) | 2018-03-19 | 2018-03-19 | Farm machinery bearing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207961293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173566A (en) * | 2019-04-25 | 2019-08-27 | 湖南橡塑密封件厂有限公司 | Shafting seals adjustable wear-resisting durable device |
-
2018
- 2018-03-19 CN CN201820372800.XU patent/CN207961293U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173566A (en) * | 2019-04-25 | 2019-08-27 | 湖南橡塑密封件厂有限公司 | Shafting seals adjustable wear-resisting durable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210401 Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Patentee after: SHANGHAI C&U DOUBLE ROW BEARING Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: C&U Co.,Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |