CN203962707U - Two and half propons school bus hubs - Google Patents
Two and half propons school bus hubs Download PDFInfo
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- CN203962707U CN203962707U CN201420380056.XU CN201420380056U CN203962707U CN 203962707 U CN203962707 U CN 203962707U CN 201420380056 U CN201420380056 U CN 201420380056U CN 203962707 U CN203962707 U CN 203962707U
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Abstract
The utility model relates to a kind of two and half propons school bus hubs, is mainly solve existing installation journey complexity and require high problem.Its major character is: inner circular cone bearing and outer conical bearing are two cone rollings of the left and right symmetry of structure; Outer conical bearing outer ring major part internal diameter contact end face inner side, inner conic bearing outer ring major part internal diameter contact end face inner side are equipped with semitight groove, jointly form seal groove, and seal ring is housed in seal groove; Inner circular cone bearing inner-ring small flange contact end face inner side, the little rib contact end face of outer conical bearing inner race inner side are equipped with half draw-in groove of cooperation, jointly form draw-in groove, and Joining clasp is housed in draw-in groove; Inside and outside portion conical bearing inner ring large-flange external diameter and the inside and outside conic bearing outer ring microcephaly of portion internal diameter are provided with internal bearings combination sealing arrangement.The utlity model has and significantly improve bearing, the ransaxle feature in working life, be mainly used in blocking, the modularization of two and half propons school bus wheel hub carrier bearings.
Description
Technical field
The utility model belongs to technical field of rolling bearings.Be specifically related to a kind of automobile front axle hub bearings unit mechanisms, for blocking, the modularization of two and half propons school bus wheel hubs and bearing thereof.
Background technique
At present, the installing and using of domestic light middle bus propons wheel hub carrier bearing, conventionally form as shown in Figure 1, in two back-to-back endoporus that are arranged on hub seat 43 of cone rolling 41,42.
Wherein the installation process of two cone rollings is: the outer ring that is first pressed into respectively two cone rollings 41,42 from both sides hub seat 43 endoporus, be close to the middle step place of hub seat 43 endoporus, to two cone rollings 41,42, also lubricating grease is smeared at rolling position in uninstalled inner ring assembly and the outer ring that has been pressed into a hole, on axle 44, be pressed into afterwards the inner ring assembly of internal bearings 41, axle 44 is through the hole in two bearings outer ring, after inner ring assembly, the outer ring of inner circular cone bearing 41 are coordinated.Be pressed into again the inner ring assembly of external bearings 42 from another side at axle 44, the inner ring assembly of external bearings 42, outer ring are coordinated, screw self-locking nut, gasket assembly 45, complete the assembling of hub bearing.
The installation of above conventional hub bearing, process complexity, wherein the adjustment of bearing pre-fastening, starting torque requires assembler to have very abundant installation experience, and adjusting improper meeting directly affects bearing use and life-span.
Summary of the invention
The purpose of this utility model is exactly the deficiency in installing and using for blocking, the modularization of two and half propons school bus wheel hubs and bearing thereof and a kind of two and half propons school bus hubs are provided.
Technical solution of the present utility model is: a kind of two and half propons school bus hubs, comprise hub seat and be arranged on inside cone rolling, the outer conical rolling bearing in this hub seat both sides end face inner bore, it is characterized in that: described inner cone rolling is two cone rollings that structure is symmetrical, size is identical with outer conical rolling bearing; Outer conical housing washer major part internal diameter contact end face inner side, inner circular cone housing washer major part internal diameter contact end face inner side are equipped with the semitight groove of cooperation, and these two semitight grooves form seal groove, and rubber seal ring is housed in seal groove; The little rib contact end face of inner circular cone rolling bearing inner ring inner side, the little rib contact end face of outer conical rolling bearing inner ring inner side are equipped with half draw-in groove of cooperation, and this two and half draw-in groove forms draw-in groove, and Joining clasp is housed in draw-in groove; Inner circular cone rolling bearing inner ring large-flange external diameter and inner circular cone housing washer microcephaly internal diameter are provided with internal bearings combination sealing arrangement; Outer conical rolling bearing inner ring large-flange external diameter and outer conical housing washer microcephaly internal diameter are provided with external bearings combination sealing arrangement.
Internal bearings combination sealing arrangement described in technical solution of the present utility model and external bearings combination sealing arrangement are high temperature resistant, the anti-corrosive rubber seal ring with rigid backbone, or are the compound sealing structure combining with stamping part, Sealing, annular spring.
Joining clasp described in technical solution of the present utility model is the elastic rings of two ends with flange, and the flange of this Joining clasp can embed in the little rib of inner circular cone rolling bearing inner ring contacts the draw-in groove of inner side of end with the little rib of outer conical rolling bearing inner ring.
Hub seat described in technical solution of the present utility model is the pedestal that iron or cast steel are made.
The cross section of the rubber seal ring described in technical solution of the present utility model is square.
The utlity model has following good effect:
1, the two cover bearings that adopt due to two and half propons school bus hubs are Production of bearing producer precision machining, by the inner ring polymorphic structure bearing of bearing usage requirement grouping pairing, thereby the hub bearing usability more superior than conventional criteria bearing can be provided, significantly improve bearing, ransaxle working life;
2, because two and half propons school bus hubs have been considered the requirement of installing and using of bearing, thereby simplified and installed the operating time of adjusting, changing.
The utility model is mainly used in blocking, the modularization of two and half propons school bus wheel hubs and bearing thereof.
Brief description of the drawings
Fig. 1 is the steering axle bearing assembling of conventional structure.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the assembly structure schematic diagram of the utility model and hub seat.
Fig. 4 is structure enlarged diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
The utility model is mainly used in the blocking of two and half propons school bus wheel hubs and bearing thereof, as shown in Figure 2 and Figure 3.
In Fig. 3, inner cone rolling 17 and outer conical rolling bearing 16 are the left and right symmetries of structure, two cone rollings that size is identical.Inner cone rolling 17, outer conical rolling bearing 16 are directly installed in the both sides end face inner bore of hub-bearing unit hub seat 18 in pairs, and hub seat 18 can be provided and be assembled by bearing producer.
Outer conical housing washer 1 major part internal diameter contact end face inner side, inner circular cone housing washer 11 major part internal diameter contact end face inner sides are equipped with the semitight groove of cooperation, these two semitight grooves form seal groove, rubber seal ring 9 is housed in seal groove, and the cross section of rubber seal ring 9 is square.Inner circular cone rolling bearing inner ring 12 little ribs 122 (Fig. 4) contact end faces inner sides, the little rib 22(of outer conical rolling bearing inner ring 2 Fig. 4) contact end face inner side is provided with half draw-in groove of cooperation, this two and half draw-in groove forms draw-in groove, Joining clasp 8 is housed in draw-in groove, Joining clasp 8 is the elastic rings of two ends with flange, and the flange at these two ends can embed in the little rib 122 of inner circular cone rolling bearing inner ring 12 contacts half draw-in groove of inner side of end with the little rib 22 of outer conical rolling bearing inner ring 2.Inner circular cone rolling bearing inner ring 12 little ribs 122 and the little rib 22 of outer conical rolling bearing inner ring 2 play make two bearings be connected, locate and prevent from getting loose, the effect of leakproof fat.
At inner circular cone rolling bearing inner ring large-flange 121 external diameters and inner circular cone housing washer microcephaly internal diameter, internal bearings combination sealing arrangement is installed, outer conical rolling bearing inner ring large-flange 21 external diameters and outer conical housing washer microcephaly internal diameter are provided with external bearings combination sealing arrangement.This internal bearings combination sealing arrangement, external bearings combination sealing arrangement are the compound sealing structure that high temperature resistant, anti-corrosive rubber seal ring 5, stamping part back-up ring 6, annular spring 10 with rigid backbone 7 combine.Hub-bearing unit hub seat 18 is the pedestal that iron or cast steel are made.
Inner circular cone rolling bearing inner ring 12, outer conical rolling bearing inner ring 2 form two polymorphic structure inner rings, and the cone rolling being made up of it is Production of bearing producer precision machining, by the bearing of bearing usage requirement grouping pairing.
Inner cone rolling 17 is made up of inner circular cone housing washer 11, inner circular cone rolling bearing inner ring 12, roller 13, retainer 14.Outer conical rolling bearing 16 is made up of outer conical housing washer 1, outer conical rolling bearing inner ring 2, roller 3, retainer 4.Two cover cone rollings are that precision machining and the apolegamy of outer ring, inner ring, roller, the each part of retainer forms, and pairing provides.Two and half propons school bus hub-bearing unit relative dimensions are the parameters that take into full account bearing installation, use and guarantee bearing performance.
Claims (5)
1. a propons school bus hub, comprise hub seat and be arranged on inside cone rolling, the outer conical rolling bearing in this hub seat both sides end face inner bore, it is characterized in that: described inner cone rolling (17) and outer conical rolling bearing (16) are the left and right symmetries of structure two cone rollings that size is identical; Outer conical housing washer major part internal diameter contact end face inner side, inner circular cone housing washer major part internal diameter contact end face inner side are equipped with the semitight groove of cooperation, and these two semitight grooves form seal groove, and rubber seal ring (5) is housed in seal groove; The little rib contact end face of inner circular cone rolling bearing inner ring inner side, the little rib contact end face of outer conical rolling bearing inner ring inner side are equipped with half draw-in groove of cooperation, and this two and half draw-in groove forms draw-in groove, and Joining clasp (8) is housed in draw-in groove; Inner circular cone rolling bearing inner ring large-flange external diameter and inner circular cone housing washer microcephaly internal diameter are provided with internal bearings combination sealing arrangement; Outer conical rolling bearing inner ring large-flange external diameter and outer conical housing washer microcephaly internal diameter are provided with external bearings combination sealing arrangement.
2. two and half propons school bus hubs according to claim 1, it is characterized in that: described internal bearings combination sealing arrangement and external bearings combination sealing arrangement are high temperature resistant, the anti-corrosive rubber seal ring with rigid backbone, or be the compound sealing structure combining with stamping part, Sealing, annular spring.
3. two and half propons school bus hubs according to claim 1 and 2, it is characterized in that: described Joining clasp (8) is for two ends are with the elastic rings of flange, the flange of this Joining clasp (8) can embed in the little rib of inner circular cone rolling bearing inner ring contacts the draw-in groove of inner side of end with the little rib of outer conical rolling bearing inner ring.
4. two and half propons school bus hubs according to claim 1 and 2, is characterized in that: described hub seat is the pedestal that iron or cast steel are made.
5. two and half propons school bus hubs according to claim 1 and 2, is characterized in that: the cross section of described rubber seal ring (5) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380056.XU CN203962707U (en) | 2014-07-10 | 2014-07-10 | Two and half propons school bus hubs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420380056.XU CN203962707U (en) | 2014-07-10 | 2014-07-10 | Two and half propons school bus hubs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962707U true CN203962707U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420380056.XU Active CN203962707U (en) | 2014-07-10 | 2014-07-10 | Two and half propons school bus hubs |
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| Country | Link |
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| CN (1) | CN203962707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121293A (en) * | 2014-07-10 | 2014-10-29 | 襄阳汽车轴承股份有限公司 | 2.5-ton front axle school bus wheel hub unit |
-
2014
- 2014-07-10 CN CN201420380056.XU patent/CN203962707U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121293A (en) * | 2014-07-10 | 2014-10-29 | 襄阳汽车轴承股份有限公司 | 2.5-ton front axle school bus wheel hub unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |