CN202782509U - Wheel hub assembly with bearing clearance adjustable - Google Patents
Wheel hub assembly with bearing clearance adjustable Download PDFInfo
- Publication number
- CN202782509U CN202782509U CN 201220273961 CN201220273961U CN202782509U CN 202782509 U CN202782509 U CN 202782509U CN 201220273961 CN201220273961 CN 201220273961 CN 201220273961 U CN201220273961 U CN 201220273961U CN 202782509 U CN202782509 U CN 202782509U
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- bearing
- wheel hub
- hub assembly
- oil seal
- oil
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- Expired - Fee Related
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Abstract
The utility model relates to automobile parts, in particular to a wheel hub assembly with bearing clearance adjustable. The wheel hub assembly with the bearing clearance adjustable is provided with a wheel hub. The outer end of the wheel hub is provided with a half shaft. A half shaft pipe is installed inside the wheel hub. The half shaft pipe is provided with an inner bearing and an outer bearing, wherein the outside of the outer bearing is provided with a compressed hexagonal nut and an outer oil seal, and the outside of the inner bearing is provided with an oil seal ring and an inner oil seal. The wheel hub assembly with the bearing clearance adjustable is characterized in that a bearing clearance adjuster is installed between the inner bearing and the outer bearing, the bearing clearance adjuster comprises a nut sleeve and an outer threaded pipe which is assembled with the nut sleeve in a matching mode, and the outer threaded pipe is provided with a locknut. The wheel hub assembly with the bearing clearance adjustable solves the problems that the inner and the outer bearing clearance in the existing automobile wheel hub assembly can not be adjusted accurately, the bearings are easy to loose, the bearing tightening nuts are easy to fall off, adding and maintaining lubricating oil are not easy and the like. The wheel hub assembly with the bearing clearance adjustable is applied to wheel hub assembly improvement of various vehicle types.
Description
(i) technical field: the utility model relates to automotive hub assembly parts, the automotive hub assembly that especially a kind of bearing space is adjustable.
(ii) background technology: the automotive hub assembly is the drive disk assembly of wheel, and it has wheel hub, and semiaxis is equipped with in the wheel hub outer end, half-axle conduit is housed in wheel hub, interior outer bearing is housed on half-axle conduit, and the outside of outer bearing is equipped with and is compressed hexagonal nut and outer oil seal, and oil seal washer and inner oil seal are equipped with in the neck bearing outside; In the prior art, between interior outer bearing, gap is regulated by compressing hexagonal nut, owing between interior outer bearing, there is no separator, therefore compresses the internally outer bearing tension of exerting pressure of hexagonal nut, compresses hexagonal nut and usually adopts afterwards locking plate to locate in adjustment.This adjustment mode shortcoming is that the bearing space adjustment is inaccurate, the easy looseness of bearing, and the bearing nut easily becomes flexible and comes off, and to driving vehicle, brings hidden danger.Another defect of existing Hub assembly is: it is very inconvenient that lubricated such maintenance of bearing needs the dismounting Hub assembly to carry out charging-up lubricant oil to bearing, and maintenance cost is high.Oil sealing in existing Hub assembly easily damages and leakage of oil in addition.
(iii) summary of the invention: the objective of the invention is to overcome inaccurate that existing automotive hub assembly bearing space adjusts, the easy looseness of bearing, and lubricating maintenance is inconvenient, the wheel hub maintenance cost is high, oil sealing easily damages and the defect such as leakage of oil, provides a kind of bearing space adjustable automotive hub assembly.
Concrete scheme of the present utility model is: for novel existing Hub assembly, improved, it has wheel hub, semiaxis is equipped with in the wheel hub outer end, half-axle conduit is housed in wheel hub, interior outer bearing is housed on half-axle conduit, the outside of outer bearing is equipped with and is compressed hexagonal nut and outer oil seal, oil seal washer, inner oil seal and rear-axle casing are equipped with in the neck bearing outside, it is characterized in that: a bearing space adjuster is housed between interior outer bearing, this adjuster includes a nut sleeve and a male-pipe equipped with nut sleeve, and jam nut is housed on male-pipe.
Respectively have two fuel feed holes in the utility model on the outer end of wheel hub and semiaxis, and two fuel feed holes on wheel hub and two fuel feed holes on semiaxis connect one to one; Be positioned at place, outer bearing installation position at the wheel hub inwall and be provided with respectively oil outlet, oil outlet is communicated with two fuel feed holes on wheel hub respectively.
The outside that compresses hexagonal nut described in the utility model is provided with one section inner screw sheath, and the inner screw sheath outside diameter is less than the opposite side distance of hexagonal nut from size; Described outer oil seal internal diameter equates with the inner screw sheath outside diameter, and both coordinate installation.
During due to wheel running work, wherein the neck bearing lubricating oil has the phenomenon of whipping and outflow, so the utility model adds oil retainer washer between neck bearing and oil seal washer; The external diameter of described oil retainer washer is less than the external diameter 1mm of neck bearing outer ring, and the internal diameter of oil retainer washer is less than external diameter 0.12 mm of neck bearing inner ring, and thickness is 4 mm.
Tell tendency outward for overcoming half-axle conduit, half-axle conduit described in the utility model is stepped shaft, forms by two sections, and its inner segment diameter that is pressed into rear-axle casing is greater than outer section diameter 2 mm; Described inner oil seal and oil seal washer are to be contained on rear-axle casing, and described oil retainer washer, neck bearing, bearing space adjuster, outer bearing, compression hexagonal nut all are contained in the reduced diameter section of half-axle conduit, and are processed with thread segment outer section of half-axle conduit reduced diameter section.
For convenience of installing, the utility model is provided with knock hole and knock hole mark at the half-axle conduit enlarged diameter section, corresponding with positioning bolt hole and mark on rear-axle casing.
The utility model has been owing to having installed the bearing space adjuster additional between interior outer bearing, makes between interior outer bearing gap easy to adjust, accurate, and can tighten energetically the compression hexagonal nut, prevents from becoming flexible.Adjusting operation is: according to the gap design requirement of outer bearing in all kinds of vehicles, by the turn in nut sleeve of the male-pipe in adjuster, make inside and outside bearing space reach designing requirement, freedom and flexibility, then screw the medium lock jack panel, the adjuster of having adjusted is placed between interior outer bearing, tightens the compression hexagonal nut, can be very convenient and gap between outer bearing in adjusting exactly.
In the utility model owing to having offered fuel feed hole and oil outlet on wheel hub, changed the mode of existing hub bearing lubricating maintenance, without the dismounting Hub assembly, only need to use special tool to add lubricating oil at wheel hub external alignment fuel feed hole, can be lubricated maintenance to inner inside and outside bearing, convenient and swift, reduce the maintaining cost, and can improve the service life of bearing.
Increased oil retainer washer in the utility model, increased the sealing effectiveness of assembly, also played neck bearing and can't outwards move, the effect of neck bearing position, location simultaneously.
(iv) accompanying drawing explanation:
Fig. 1 is general assembly structural representation of the present utility model;
Fig. 2 is exploded view of the present utility model;
Fig. 3 is bearing space adjuster exploded view;
Fig. 4 is one of wheel hub three-dimensional view;
Fig. 5 is two of wheel hub three-dimensional view;
Fig. 6 is three of wheel hub three-dimensional view.
1-adjuster in figure, 2-neck bearing, 3-oil retainer washer, 4-oil seal washer, 5-inner oil seal, the 6-half-axle conduit, 7-positioning bolt hole, 8-rear-axle casing, 9-knock hole, 10-knock hole mark, the 11-wheel hub, the 12-outer bearing, 13-compresses hexagonal nut, the 14-inner screw sheath, 15-outer oil seal, 16-semiaxis, 17-fuel feed hole, the 18-oil outlet, 19-fuel feed hole, 20-oil outlet, 21-fuel feed hole, the 22-fuel feed hole, 23-male-pipe, 24-jam nut, 25-nut sleeve.
(v) the specific embodiment:
Referring to Fig. 1,2, the utlity model has wheel hub 11, semiaxis 16 is equipped with in wheel hub 11 outer ends, half-axle conduit 6 is housed in wheel hub 11, interior outer bearing 2,12 is housed on half-axle conduit 6, the outside of outer bearing 12 is equipped with and is compressed hexagonal nut 13 and outer oil seal 15, oil retainer washer 3 and inner oil seal 5 are equipped with in neck bearing 2 outsides, particularly between interior outer bearing 2,12, a bearing space adjuster 1 is housed, this adjuster is referring to Fig. 3, include a nut sleeve 25 and a male-pipe 23 equipped with nut sleeve 25, jam nut 24 is housed on male-pipe 23.
In the present embodiment, preferred version also on the outer end of wheel hub 11 and semiaxis 16, respectively have two fuel feed holes 17,19 and 21,22 and wheel hub 11 on two fuel feed holes 17,19 and two fuel feed holes 21,22 on semiaxis 16 connect one to one; Be positioned at outer bearing 2,12 installation positions places at wheel hub 11 inwalls and be provided with respectively oil outlet 18,20, two oil outlets 18,20 and be communicated with two fuel feed holes 17,19 on wheel hub 11 respectively, referring to Fig. 4,5,6.
The outside that compresses hexagonal nut 13 described in the present embodiment is provided with one section inner screw sheath 14, and referring to Fig. 2, inner screw sheath 14 outside diameters are less than the opposite side distance of hexagonal nut from size; The internal diameter of described outer oil seal 15 equates with the outside diameter of inner screw sheath 14, and both coordinate installation, and by front side to be tightly, in left and right sides.
Add oil retainer washer 3 in the present embodiment between neck bearing 2 and oil seal washer 4, referring to Fig. 1,2.
The external diameter of the oil retainer washer 3 described in the present embodiment is less than external diameter 1 mm of neck bearing 2 outer rings, and the internal diameter of oil retainer washer 3 is less than internal diameter 0.12 mm of neck bearing 2 inner rings, and thickness is 4 mm.
Half-axle conduit described in the present embodiment 6 is stepped shaft, forms by two sections, and its inner segment diameter is greater than outer section diameter 2 mm; Described inner oil seal 5 and oil seal washer 4 are to be contained on rear-axle casing; Described oil retainer washer 3, neck bearing 2, bearing space adjuster 1, outer bearing 12, compress the reduced diameter section that hexagonal nut 13 all is contained in semiaxis 6, and be processed with thread segment outer section of conduit 6 reduced diameter sections and compress hexagonal nut 13 to install.Press front side to being tight, referring to Fig. 2.
Also be provided with knock hole 9 and knock hole mark 10 in the present embodiment on half-axle conduit 6, corresponding with positioning bolt hole 7 and mark on rear-axle casing, referring to Fig. 2; Formed preferred forms of the present utility model.
Claims (7)
1. the Hub assembly that bearing space is adjustable, there is wheel hub, semiaxis is equipped with in the wheel hub outer end, half-axle conduit is housed in wheel hub, interior outer bearing is housed on half-axle conduit, the outside of outer bearing is equipped with and is compressed hexagonal nut and outer oil seal, oil seal washer, inner oil seal and rear-axle casing are equipped with in the neck bearing outside, it is characterized in that: a bearing space adjuster is housed between interior outer bearing, and this adjuster includes a nut sleeve and a male-pipe equipped with nut sleeve, and jam nut is housed on male-pipe.
2. the adjustable Hub assembly of a kind of bearing space according to claim 1 is characterized in that: respectively have two fuel feed holes on the outer end of wheel hub and semiaxis, and two fuel feed holes on wheel hub and two fuel feed holes on semiaxis connect one to one; Be positioned at place, outer bearing installation position at the wheel hub inwall and be provided with respectively oil outlet, oil outlet is communicated with two fuel feed holes on wheel hub respectively.
3. require the adjustable Hub assembly of described a kind of bearing space according to right 1, it is characterized in that: the outside of described compression hexagonal nut is provided with one section inner screw sheath, and the inner screw sheath outside diameter is less than the opposite side distance of hexagonal nut from size; Described outer oil seal internal diameter equates with the inner screw sheath outside diameter, and both coordinate installation.
4. the adjustable Hub assembly of a kind of bearing space according to claim 1, is characterized in that: between neck bearing and oil seal washer, add oil retainer washer.
5. the adjustable Hub assembly of a kind of bearing space according to claim 4, it is characterized in that: the external diameter of described oil retainer washer is less than the external diameter 1mm of neck bearing outer ring, and the internal diameter of oil retainer washer is less than the external diameter 0.12mm of neck bearing inner ring, and thickness is 4mm.
6. the adjustable Hub assembly of a kind of bearing space according to claim 1, it is characterized in that: described half-axle conduit is stepped shaft, forms by two sections, its inner segment diameter that is pressed into rear-axle casing is greater than outer section diameter 2mm; Described inner oil seal and oil seal washer are to be contained in rear-axle casing; Described oil retainer washer, neck bearing, bearing space adjuster, outer bearing compress the reduced diameter section that hexagonal nut all is contained in half-axle conduit, and are processed with thread segment outer section of half-axle conduit reduced diameter section.
7. the adjustable Hub assembly of a kind of bearing space according to claim 1 is characterized in that: be provided with knock hole and setting mark at the half-axle conduit enlarged diameter section, and corresponding with positioning bolt hole and mark on rear-axle casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273961 CN202782509U (en) | 2012-06-12 | 2012-06-12 | Wheel hub assembly with bearing clearance adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220273961 CN202782509U (en) | 2012-06-12 | 2012-06-12 | Wheel hub assembly with bearing clearance adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202782509U true CN202782509U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220273961 Expired - Fee Related CN202782509U (en) | 2012-06-12 | 2012-06-12 | Wheel hub assembly with bearing clearance adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202782509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009926A (en) * | 2012-06-12 | 2013-04-03 | 江金华 | Bearing clearance adjustable hub assembly |
| CN104085256A (en) * | 2014-07-12 | 2014-10-08 | 黄健 | Shaft wheel steel installation plate strengthening connection device |
-
2012
- 2012-06-12 CN CN 201220273961 patent/CN202782509U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009926A (en) * | 2012-06-12 | 2013-04-03 | 江金华 | Bearing clearance adjustable hub assembly |
| CN103009926B (en) * | 2012-06-12 | 2015-12-09 | 江金华 | The Hub assembly that a kind of bearing space is adjustable |
| CN104085256A (en) * | 2014-07-12 | 2014-10-08 | 黄健 | Shaft wheel steel installation plate strengthening connection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140612 |