CN206694403U - A kind of integral type outer race free bearing and automobile front axle - Google Patents
A kind of integral type outer race free bearing and automobile front axle Download PDFInfo
- Publication number
- CN206694403U CN206694403U CN201720493612.8U CN201720493612U CN206694403U CN 206694403 U CN206694403 U CN 206694403U CN 201720493612 U CN201720493612 U CN 201720493612U CN 206694403 U CN206694403 U CN 206694403U
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- China
- Prior art keywords
- sleeve
- bearing
- integral type
- cylinder roller
- outer race
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- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of integral type outer race free bearing and automobile front axle, wherein, including needle bearing, cylinder roller bearing and outer sleeve；The outer sleeve includes the first sleeve and second sleeve, and the first end of first sleeve is provided with the first inside flange, and the second end of first sleeve is connected with the first end of the second sleeve, and the second end of the second sleeve is provided with the second inside flange；The center line and the center line of the second sleeve of first sleeve are located along the same line；The diameter of first sleeve is more than the diameter of the second sleeve；The cylinder roller bearing is arranged in first sleeve, and the needle bearing is arranged in the second sleeve, and one end of the needle bearing is resisted against on a side end face of the cylinder roller bearing；The central axis of the axis of cylindrical roller on the cylinder roller bearing and the cylinder roller bearing.The utility model can improve the sealing of stub.
Description
Technical field
Technical field of automobile parts is the utility model is related to, particularly a kind of integral type outer race free bearing and automobile
Propons.
Background technology
Commercial car front axle assy require knuckle can flexible rotating, meet vehicle normally travel and turning function.Such as Fig. 1
Shown in Fig. 2, Fig. 1 is the structural representation of front axle assy disclosed in prior art；Fig. 2 is front axle assy disclosed in prior art
Sectional view；Wherein I-beam fist portion 1 ', knuckle 2 ', stub 3 ', bear axial load thrust bearing 4 ' and bear radially
The king bolt bush 5 ' of load, junction assembling quality, the quality of sealing property directly influence full-vehicle steering performance.In order to obtain
Get Geng Gao service life, need periodically to carry out maintaining to free bearing, change grease.
King bolt bush 5 ' of the radial load part between knuckle 2 ' and stub 3 ' is born, refer to Fig. 3, Fig. 3 is existing
There is the structural representation of king bolt bush disclosed in technology；King bolt bush 5 ' by the plane copper coin 6 ' with oil storage tank be rolled into cylinder and with
Lock form is fixed, and king bolt bush 5 ' is pressed into the endoporus of knuckle 2 ' by special assistant pressing tool.Axial load part is born to turn
Thrust bearing 4 ' between section 2 ' and I-beam, refer to Fig. 4 and Fig. 5, and Fig. 4 is the knot of thrust bearing disclosed in prior art
Structure schematic diagram, Fig. 5 are the sectional view of thrust bearing disclosed in prior art；Thrust bearing 4 ' is by thrust ring 7 ', damping ring 8 ', outer
9 ' three parts are covered to form.
After king bolt bush is assembled on front axle assy with thrust bearing, because being sealed between bushing and thrust bearing without effective, car
Water and dust cause stub and bushing mill easily by entering stub among bushing and thrust bearing after the certain mileage of traveling
Damage loosens, and in turn results in the swing of vehicle steering wheel, may seriously trigger security incident.
Utility model content
The purpose of this utility model is to provide a kind of integral type outer race free bearing and automobile front axle, to solve existing skill
Technical problem in art, its sealing can greatly improve.
The utility model provides a kind of integral type outer race free bearing, wherein, including needle bearing, cylindrical roller axle
Hold and outer sleeve；
The outer sleeve includes the first sleeve and second sleeve, and the first end of first sleeve is provided with inside first and turned over
Side, the second end of first sleeve are connected with the first end of the second sleeve, the second end of the second sleeve be provided with to
The second interior flange；The center line and the center line of the second sleeve of first sleeve are located along the same line；Described
The diameter of one sleeve is more than the diameter of the second sleeve；
The cylinder roller bearing is arranged in first sleeve, and the needle bearing is arranged on the second sleeve
Interior, one end of the needle bearing is resisted against on a side end face of the cylinder roller bearing；
The central axis of the axis of cylindrical roller on the cylinder roller bearing and the cylinder roller bearing.
Integral type outer race free bearing as described above, these, it is preferred to, the external diameter of the needle bearing is more than institute
The internal diameter of cylinder roller bearing is stated, and less than the external diameter of the cylinder roller bearing.
Integral type outer race free bearing as described above, these, it is preferred to, the needle bearing includes needle roller, the
One retainer and outer ring；First retainer is installed in rotation in the outer ring, and the needle roller is installed in rotation on
On first retainer, and the centerline parallel of the axis direction of the needle roller and the needle bearing.
Integral type outer race free bearing as described above, these, it is preferred to, it is close that the needle bearing also includes first
Seal, first sealing ring are arranged between the end face and outer ring of first retainer.
Integral type outer race free bearing as described above, these, it is preferred to, the cylinder roller bearing also includes outer
Cover, blowout patche, the second retainer, seat ring and cylindrical roller；
The outer cover is tubular, and the first end of the outer cover is provided with the 3rd inside flange, the blowout patche, described second
Retainer and the seat ring are sequentially arranged in the outer cover along the direction away from the 3rd flange, second retainer with
Gap is left between the seat ring；The cylindrical roller is installed in rotation on second retainer, and the cylinder rolls
The axis of son and the central axis of the cylinder roller bearing.
Integral type outer race free bearing as described above, these, it is preferred to, it is provided with stereosphere, institute in the outer cover
The second end that stereosphere is located at the outer cover is stated, the periphery of the seat ring is resisted against on the stereosphere.
Integral type outer race free bearing as described above, these, it is preferred to, the section of the stereosphere is L-shaped, institute
State stereosphere and cooperatively form annular seal groove with the outer cover, the second sealing ring is installed in the annular seal groove.
Integral type outer race free bearing as described above, these, it is preferred to, the blowout patche is close to the 3rd flange
The edge of side be provided with the second short slot, second short slot cooperatively forms annular groove, the ring with the 3rd flange
The 3rd sealing ring is provided with connected in star.
Integral type outer race free bearing as described above, these, it is preferred to, the 3rd sealing ring is O-ring.
The utility model also proposed a kind of automobile front axle, wherein, described automobile front axle is included as described in the next item up
Integral type outer race free bearing.
Compared with prior art, the utility model replaces original king bolt bush with needle bearing, uses cylinder roller bearing
Needle bearing and cylinder roller bearing are formed into one instead of original thrust bearing, and by outer sleeve.Due to needle bearing
There is good sealing with cylinder roller bearing, along with outer sleeve can greatly improve its sealing, prevent debris from entering
Into stub.Needle bearing and cylinder roller bearing are made of one formula structure, can be during assembling once by needle roller
Bearing and cylinder roller bearing are attached on stub, so as to ensure the axiality of needle bearing and cylinder roller bearing.
Brief description of the drawings
Fig. 1 is the structural representation of front axle assy disclosed in prior art；
Fig. 2 is the sectional view of front axle assy disclosed in prior art；
Fig. 3 is the structural representation of king bolt bush disclosed in prior art；
Fig. 4 is the structural representation of thrust bearing disclosed in prior art；
Fig. 5 is the sectional view of thrust bearing disclosed in prior art；
Fig. 6 is the structural representation for the needle bearing that the utility model embodiment proposes；
Fig. 7 is the structural representation for the cylinder roller bearing that the utility model embodiment proposes；
Fig. 8 is the structural representation for the integral type outer race free bearing that the utility model embodiment proposes；
Fig. 9 is the front view for the outer sleeve that the utility model embodiment proposes；
Figure 10 is the structural representation for the outer sleeve that the utility model embodiment proposes.
Description of reference numerals：
1 '-I-beam fist portion, 2 '-knuckle, 3 '-stub, 4 '-thrust bearing, 5 '-king bolt bush, 6 '-copper coin, 7 '-only
Throw-out collar, 8 '-damping ring, 9 '-outer cover；
1- needle bearings, 2- cylinder roller bearings, 3- outer sleeves, the sleeves of 4- first, 5- second sleeves, the flange of 6- first,
7- needle rollers, the retainers of 8- first, 9- outer rings, the sealing rings of 10- first, 11- outer covers, 12- blowout patches, the retainers of 13- second, 14- seats
Circle, 15- cylindrical rollers, the flange of 16- the 3rd, 17- stereospheres, the sealing rings of 18- second, the sealing rings of 19- the 3rd.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
Fig. 6 is the structural representation for the needle bearing that the utility model embodiment proposes；Fig. 7 is the utility model
The structural representation for the cylinder roller bearing that embodiment proposes；Fig. 8 is what the utility model embodiment proposed
The structural representation of integral type outer race free bearing；Fig. 9 be the utility model embodiment propose outer sleeve just
View；Figure 10 is the structural representation for the outer sleeve that the utility model embodiment proposes.
Fig. 6 to Figure 10 is refer to, the utility model embodiment proposes a kind of integral type outer race free bearing,
Wherein, including needle bearing 1, cylinder roller bearing 2 and outer sleeve 3；The outer sleeve 3 includes the first sleeve 4 and second sleeve
5, the first end of first sleeve 4 is provided with the first inside flange 6, the second end of first sleeve 4 with described second set
The first end connection of cylinder 5, the second end of the second sleeve 5 are provided with the second inside flange (not shown)；Described first
The center line of sleeve 4 and the center line of the second sleeve 5 are located along the same line；The diameter of first sleeve 4 is more than institute
State the diameter of second sleeve 5；The cylinder roller bearing 2 is arranged in first sleeve 4, and the needle bearing 1 is arranged on
In the second sleeve 5, one end of the needle bearing 1 is resisted against on the end face of the cylinder roller bearing 2；The cylinder rolling
The central axis of the axis of cylindrical roller 15 on sub- bearing 2 and the cylinder roller bearing 2.
When it is implemented, cylinder roller bearing 2 is loaded into the first sleeve 4, and set inwardly in the first end of the first sleeve 4
The first flange 6, when it is implemented, outer sleeve 3 can be made of stamping steel plate punching press, needle bearing 1 is then loaded second
Sleeve 5, cylinder roller bearing 2 is encased in the first sleeve 4, then the both ends of outer sleeve 3 are bent to form first respectively inwards
The flange of flange 6 and second.When it is implemented, the cylinder roller bearing 2 in this specific embodiment party is cylindrical roller thrust bearing.Such as
This, is set to integrative-structure by cylinder roller bearing 2 and needle bearing 1 by outer sleeve 3, can ensure the He of cylinder roller bearing 2
The axiality of needle bearing 1, improve its service life.
When specifically used, second sleeve 5 is installed in the kingpin bore of knuckle, instigator's stub runs through the needle bearing
1 and the cylinder roller bearing 2, one end of the cylinder roller bearing 2 be resisted against the bottom in I-beam fist portion.Due to needle roller axle
Hold 1 and cylinder roller bearing 2 carry sealing structure, and integrative-structure is formed by outer sleeve 3 therebetween, can effectively prevented
Impurity enters in stub.Further, since force of rolling friction is less than the force of sliding friction of original structure, steering resistance can be effectively improved
Stagnant power, lift steering reversal.
As a kind of preferred embodiment, the external diameter of the needle bearing 1 is more than the internal diameter of the cylinder roller bearing 2, and small
In the external diameter of the cylinder roller bearing 2.Further, the needle bearing 1 includes needle roller 7, the first retainer 8 and outer ring 9；
First retainer 8 is installed in rotation in the outer ring 9, and the needle roller 7 is installed in rotation on described first and kept
On frame 8, and the centerline parallel of the axis direction of the needle roller 7 and the needle bearing 1.Further, the needle roller axle
Holding 1 also includes the first sealing ring 10, and first sealing ring 10 is arranged between the end face and outer ring 9 of first retainer 8.
It so, it is possible to ensure the sealing between needle bearing 1 and stub, prevent impurity from entering.
As a kind of preferred embodiment, the cylinder roller bearing 2 also includes outer cover 11, blowout patche 12, the and of the second retainer 13
Seat ring 14；The outer cover 11 is tubular, and the first end of the outer cover 11 is provided with the 3rd inside flange 16, the blowout patche 12,
Second retainer 13 and the seat ring 14 are sequentially arranged in the outer cover 11 along the direction away from the 3rd flange 16,
Gap is left between second retainer 13 and the seat ring 14；The cylindrical roller 15 is installed in rotation on described second
On retainer 13, and the central axis of the axis of the cylindrical roller 15 and the cylinder roller bearing 2.Further, institute
State in outer cover 11 and be provided with stereosphere 17, the stereosphere 17 is located at the second end of the outer cover 11, and the periphery of the seat ring 14 is supported
Lean against on the stereosphere 17.Further, the section of the stereosphere 17 is L-shaped, the stereosphere 17 and the outer cover
11 cooperatively form annular seal groove, and the second sealing ring 18 is provided with the annular seal groove.Specifically, the blowout patche 12 is close
The edge of the side of 3rd flange 16 is provided with the second short slot, and second short slot cooperatively forms with the 3rd flange 16
Annular groove, the annular groove is interior to be provided with the 3rd sealing ring 19.More specifically, the 3rd sealing ring 19 is O-ring.Such as
This, can ensure the sealing of cylinder roller bearing 2, prevent impurity from entering in cylinder roller bearing 2.
The utility model embodiment also proposed a kind of automobile front axle, wherein, including as the utility model is specific
Integral type outer race free bearing described in embodiment.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (10)
- A kind of 1. integral type outer race free bearing, it is characterised in that：Including needle bearing, cylinder roller bearing and outer sleeve；The outer sleeve includes the first sleeve and second sleeve, and the first end of first sleeve is provided with the first inside flange, Second end of first sleeve is connected with the first end of the second sleeve, and the second end of the second sleeve is provided with inwardly Second flange；The center line and the center line of the second sleeve of first sleeve are located along the same line；The first set The diameter of cylinder is more than the diameter of the second sleeve；The cylinder roller bearing is arranged in first sleeve, and the needle bearing is arranged in the second sleeve, institute The one end for stating needle bearing is resisted against on the end face of the cylinder roller bearing；The central axis of the axis of cylindrical roller on the cylinder roller bearing and the cylinder roller bearing.
- 2. integral type outer race free bearing according to claim 1, it is characterised in that：The external diameter of the needle bearing is big In the internal diameter of the cylinder roller bearing, and less than the external diameter of the cylinder roller bearing.
- 3. integral type outer race free bearing according to claim 1, it is characterised in that：The needle bearing includes rolling Pin, the first retainer and outer ring；First retainer is installed in rotation in the outer ring, and the needle roller is rotationally pacified On first retainer, and the centerline parallel of the axis direction of the needle roller and the needle bearing.
- 4. integral type outer race free bearing according to claim 3, it is characterised in that：The needle bearing also includes the One sealing ring, first sealing ring are arranged between the end face and outer ring of first retainer.
- 5. integral type outer race free bearing according to claim 1, it is characterised in that：The cylinder roller bearing also wraps Include outer cover, blowout patche, the second retainer and seat ring；The outer cover is tubular, and the first end of the outer cover is provided with the 3rd inside flange, and the blowout patche, described second keep Frame and the seat ring are sequentially arranged in the outer cover along the direction away from the 3rd flange, second retainer with it is described Gap is left between seat ring；The cylindrical roller is installed in rotation on second retainer, and the cylindrical roller The central axis of axis and the cylinder roller bearing.
- 6. integral type outer race free bearing according to claim 5, it is characterised in that：Rigidity is provided with the outer cover Circle, the stereosphere are located at the second end of the outer cover, and the periphery of the seat ring is resisted against on the stereosphere.
- 7. integral type outer race free bearing according to claim 6, it is characterised in that：The section of the stereosphere is L Shape, the stereosphere cooperatively form annular seal groove with the outer cover, the second sealing ring are provided with the annular seal groove.
- 8. according to the integral type outer race free bearing described in claim 5 or 6 or 7, it is characterised in that：The blowout patche is close to institute The edge for stating the side of the 3rd flange is provided with the second short slot, and second short slot cooperatively forms annular recessed with the 3rd flange Groove, the annular groove is interior to be provided with the 3rd sealing ring.
- 9. integral type outer race free bearing according to claim 8, it is characterised in that：3rd sealing ring is O shapes Circle.
- A kind of 10. automobile front axle, it is characterised in that：Turned to including the integral type outer race as described in claim 1 to 9 any one Bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493612.8U CN206694403U (en) | 2017-05-05 | 2017-05-05 | A kind of integral type outer race free bearing and automobile front axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493612.8U CN206694403U (en) | 2017-05-05 | 2017-05-05 | A kind of integral type outer race free bearing and automobile front axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206694403U true CN206694403U (en) | 2017-12-01 |
Family
ID=60448029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720493612.8U Expired - Fee Related CN206694403U (en) | 2017-05-05 | 2017-05-05 | A kind of integral type outer race free bearing and automobile front axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206694403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630543A (en) * | 2018-12-22 | 2019-04-16 | 杨霞 | A kind of dismountable two-way bearing arrangement |
-
2017
- 2017-05-05 CN CN201720493612.8U patent/CN206694403U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630543A (en) * | 2018-12-22 | 2019-04-16 | 杨霞 | A kind of dismountable two-way bearing arrangement |
| CN109630543B (en) * | 2018-12-22 | 2019-11-26 | 乐清市智格电子科技有限公司 | A kind of dismountable two-way bearing arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20200505 |