CN207454564U - Automobile camshaft is with needle bearing and grinding bearing assembly - Google Patents
Automobile camshaft is with needle bearing and grinding bearing assembly Download PDFInfo
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- CN207454564U CN207454564U CN201721520853.3U CN201721520853U CN207454564U CN 207454564 U CN207454564 U CN 207454564U CN 201721520853 U CN201721520853 U CN 201721520853U CN 207454564 U CN207454564 U CN 207454564U
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- bearing
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- ring
- inner race
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Abstract
The utility model is related to automobile camshaft needle bearing and grinding bearing assemblies, including bearing outer ring, bearing inner race and needle roller, the inner peripheral surface of bearing outer ring is equipped with raceway groove and rib, needle roller is held in through retainer between the raceway groove of bearing outer ring and the guide surface of bearing inner race, the rib axial limiting of needle roller and bearing outer ring coordinates, bearing inner race outer circumference surface axial direction end positions are equipped with step-like mounting groove, baffle ring is pressed in an interference fit in step-like mounting groove, the inner peripheral surface axial direction end positions of the bearing outer ring are equipped with step-like groove, step-like groove is corresponding with step-like installation groove location, the outer radius portion of baffle ring is stretched into step-like groove, the outer radius portion of baffle ring and the cell wall clearance fit of step-like groove, and the axial end face counter stopper of the outer radial portion of baffle ring and step-like groove；Bearing outer ring is equipped with oilhole, and plug is plugged in oilhole in grinding.With the advantages of simple in structure, easy for installation and sealing effect is good.
Description
Technical field
The utility model is related to technical field of bearings, specifically automobile camshaft needle bearing and make suitable for grinding
Bearing assembly.
Background technology
It is slided with the attention to the energy, on automobile camshaft and is changed to roll chemical conversion as a kind of trend, it is smaller for space
Use needle bearing, but the needle bearing used at present in technology upper camshaft has the following problems：
Existing needle bearing causes bearing press mounting horizontal can only to be pressed into during camshaft, camshaft is not there are axial displacement
When horizontal positioned, bearing outer ring can skid off inner ring, and cause camshaft be packed into motor body when the bad positioning in outer ring.
For camshaft when carrying out mill processing, the iron of generation, which is cut, can enter Bearing inner, existing enclosed entity needle bearing without
Method meets sealing performance and requires and have axial thrust requirement.
The content of the invention
The present utility model purpose：To overcome defect existing in the prior art, the utility model is provided in a kind of bearing
It is pressed baffle ring on circle, bearing outer ring is equipped with stepped recesses and coordinates with baffle ring, so as to fulfill bearing outer ring and inner ring axial limiting
Automobile camshaft needle bearing, there is simple in structure, the advantages of easy for installation and sealing effect is good.
To achieve the above object, the utility model provides following technical solution：
A kind of automobile camshaft needle bearing, including bearing outer ring, bearing inner race and needle roller, the bearing outer ring
Inner peripheral surface is equipped with raceway groove and the rib positioned at raceway groove axial direction both ends, and there is the outer circumference surface of the bearing inner race guiding to roll
The guide surface of pin, the needle roller are held in through retainer between the raceway groove of bearing outer ring and the guide surface of bearing inner race, needle roller
Coordinate with the rib axial limiting of bearing outer ring, it is characterised in that：The bearing inner race outer circumference surface axial direction end positions are equal
Equipped with step-like mounting groove, baffle ring, the inner circle of the bearing outer ring are pressed in step-like mounting groove in an interference fit
Circumferential surface axial direction end positions are equipped with step-like groove, and step-like groove is corresponding with step-like installation groove location, the outer diameter part of baffle ring
Divide and stretch into step-like groove, the outer radius portion of baffle ring and the cell wall clearance fit of step-like groove, and the outer radial portions of baffle ring
Divide the axial end face counter stopper with step-like groove.
By using above-mentioned technical proposal, on the basis of original needle bearing, the axial direction of bearing outer ring and bearing inner race
Both ends are all provided with step structure, the step press fitting baffle ring on bearing inner race so that baffle ring it is convenient and reliable and bearing inner race is consolidated
Fixed assembling, baffle ring stretch into the step on bearing outer ring so that the step of baffle ring and bearing outer ring realizes /V, so as to fulfill limitation
Axially opposing displacement between ring of needle roller bearing facilitates camshaft to be packed into housing；And baffle ring realizes certain sealing performance.
Preferably, the bearing outer ring is radially equipped with oilhole that is corresponding with channel location and connecting.Under the structure design,
Facilitate to Bearing inner and inject grease.
A kind of automobile camshaft needle bearing assemblies, including bearing outer ring, bearing inner race and needle roller, outside the bearing
The inner peripheral surface of circle is equipped with raceway groove and the rib positioned at raceway groove axial direction both ends, and the outer circumference surface of the bearing inner race, which has, to be drawn
The guide surface of guide roll pin, the needle roller are held in through retainer between the raceway groove of bearing outer ring and the guide surface of bearing inner race,
The rib axial limiting of needle roller and bearing outer ring coordinates, it is characterised in that：The bearing inner race outer circumference surface axial direction both ends position
It puts and is equipped with step-like mounting groove, be pressed with baffle ring in step-like mounting groove in an interference fit, the bearing outer ring
Inner peripheral surface axial direction end positions are equipped with step-like groove, and step-like groove is corresponding with step-like installation groove location, outside baffle ring
Path portion is stretched into step-like groove, the outer radius portion of baffle ring and the cell wall clearance fit of step-like groove, and the outer diameter of baffle ring
To part and the axial end face counter stopper of step-like groove, bearing outer ring is radially equipped with corresponding with channel location and connection
Oilhole, the interior plug of oilhole is equipped with plug.By using above-mentioned technical proposal, on the basis of original needle bearing, bearing outer ring and
The axial both ends of bearing inner race are all provided with step structure, the step press fitting baffle ring on bearing inner race so that the convenient and reliable sum of baffle ring
Assembling is fixed in bearing inner race, and baffle ring stretches into the step on bearing outer ring so that the step of baffle ring and bearing outer ring realizes limit
Position so as to fulfill the axially opposing displacement between limitation ring of needle roller bearing, facilitates camshaft to be packed into housing；And baffle ring is realized
Certain sealing performance；Oilhole is blocked when being ground cam bit through plug, after cam bit has been ground, with high pressure oil flushing oil
Hole；Step structure and plug on baffle ring and bearing outer ring realize closing during impeller grinding, and iron is avoided to cut into bearing
Portion.
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 structure diagram；
Fig. 2 is the utility model specific embodiment baffle ring structure diagram；
Fig. 3 is the structure diagram with plug in the utility model specific embodiment oilhole.
Specific embodiment
Referring to attached drawing 1, a kind of automobile camshaft needle bearing disclosed in the utility model, including bearing outer ring 1, bearing
Inner ring 2 and needle roller 3, the inner peripheral surface of the bearing outer ring 1 are equipped with raceway groove 11 and the gear positioned at the axial both ends of raceway groove 11
Side 12, the outer circumference surface of the bearing inner race 2 have the guide surface 21 of guiding needle roller 3, and the needle roller 3 is placed in bearing outer ring 1
Between raceway groove 11 and the guide surface 21 of bearing inner race 2, needle roller 3 and 12 axial limiting of rib of bearing outer ring 1 coordinate, described
2 outer circumference surface axial direction end positions of bearing inner race are equipped with step-like mounting groove 22, and step-like mounting groove 22 is interior with interference fit
Mode be pressed with baffle ring 4, the inner peripheral surface axial direction end positions of the bearing outer ring 1 are equipped with step-like groove 13, step-like
Groove 13 is corresponding with step-like 22 position of mounting groove, and the outer radius portion of baffle ring 4 is stretched into step-like groove 13, the outer diameter of baffle ring 4
Part and the cell wall clearance fit of step-like groove 13, and the axial end face of the outer radial portion of baffle ring 4 and step-like groove 13
131 counter stoppers.The bearing outer ring 1 is radially equipped with oilhole 14 that is corresponding with 11 position of raceway groove and connecting.In original rolling
On the basis of needle bearing, the axial both ends of bearing outer ring and bearing inner race are all provided with step structure, the step press fitting gear on bearing inner race
Circle so that baffle ring it is convenient and reliable and bearing inner race assembling is fixed, baffle ring stretches into the step on bearing outer ring so that baffle ring
/V is realized with the step of bearing outer ring, so as to fulfill the axially opposing displacement between limitation ring of needle roller bearing, facilitates cam
Axis is packed into housing；And baffle ring realizes certain sealing performance.To ensure that retainer-ring press mounting fixation is reliable, such as Fig. 2, can be used
Reticulate patterned surface 41 is set in the inner periphery hole of baffle ring 4, consequently facilitating baffle ring inner periphery hole wall deformation is engaged with bearing inner race stage portion.And
And O-ring seal can be set at the step-like concave corner of bearing inner race, baffle ring squeezes O-ring seal and reaches reliable close
Envelope.And to ensure that the raceway groove of needle roller and bearing outer ring 1 lubrication is reliable, annular oil groove can be equipped in the raceway groove of bearing outer ring 1, be convenient for
Store lubricant grease.
As shown in figure 3, when being ground cam, plug 5 is plugged in oilhole 14, forms the automobile camshaft rolling convenient for grinding
Needle shaft bearing assembly.Wherein plug 5 includes the plug body 51 that outer profile is taper, and the big end of plug body 51 extends radially outwardly
Shirt rim 52,51 center of plug body have tapped blind hole 511.Plug is extracted oilhole, is convenient for by tapped blind hole convenient for screwing in bolt
Operation.
Claims (3)
1. a kind of automobile camshaft needle bearing, including bearing outer ring, bearing inner race and needle roller, the bearing outer ring it is interior
Periphery is equipped with raceway groove and the rib positioned at raceway groove axial direction both ends, and the outer circumference surface of the bearing inner race has guiding needle roller
Guide surface, the needle roller is held in through retainer between the raceway groove of bearing outer ring and the guide surface of bearing inner race, needle roller with
The rib axial limiting cooperation of bearing outer ring, it is characterised in that：The bearing inner race outer circumference surface axial direction end positions are all provided with
There is step-like mounting groove, be pressed with baffle ring, the inner periphery of the bearing outer ring in step-like mounting groove in an interference fit
Face axial direction end positions are equipped with step-like groove, and step-like groove is corresponding with step-like installation groove location, the outer radius portion of baffle ring
It stretches into step-like groove, the outer radius portion of baffle ring and the cell wall clearance fit of step-like groove, and the outer radial portion of baffle ring
With the axial end face counter stopper of step-like groove.
2. automobile camshaft needle bearing according to claim 1, it is characterised in that：The bearing outer ring is radially equipped with
Oilhole that is corresponding with channel location and connecting.
3. a kind of automobile camshaft needle bearing assemblies, including bearing outer ring, bearing inner race and needle roller, the bearing outer ring
Inner peripheral surface be equipped with raceway groove and the rib positioned at raceway groove axial direction both ends, the outer circumference surface of the bearing inner race has guiding
The guide surface of needle roller, the needle roller are held in through retainer between the raceway groove of bearing outer ring and the guide surface of bearing inner race, rolling
The rib axial limiting of pin and bearing outer ring coordinates, it is characterised in that：The bearing inner race outer circumference surface axial direction end positions
Be equipped with step-like mounting groove, be pressed with baffle ring in step-like mounting groove in an interference fit, the bearing outer ring it is interior
Periphery axial direction end positions are equipped with step-like groove, and step-like groove is corresponding with step-like installation groove location, the outer diameter of baffle ring
Part is stretched into step-like groove, the outer radius portion of baffle ring and the cell wall clearance fit of step-like groove, and the outer radial of baffle ring
Part and the axial end face counter stopper of step-like groove, bearing outer ring are radially equipped with oil that is corresponding with channel location and connecting
Hole, the interior plug of oilhole is equipped with plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721520853.3U CN207454564U (en) | 2017-11-14 | 2017-11-14 | Automobile camshaft is with needle bearing and grinding bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721520853.3U CN207454564U (en) | 2017-11-14 | 2017-11-14 | Automobile camshaft is with needle bearing and grinding bearing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454564U true CN207454564U (en) | 2018-06-05 |
Family
ID=62279494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721520853.3U Active CN207454564U (en) | 2017-11-14 | 2017-11-14 | Automobile camshaft is with needle bearing and grinding bearing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454564U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217534A (en) * | 2021-05-14 | 2021-08-06 | 人本股份有限公司 | Solid needle roller bearing and processing technology of bearing outer ring |
| CN113551021A (en) * | 2021-06-22 | 2021-10-26 | 浙江万里扬股份有限公司 | Connection structure, derailleur and vehicle |
-
2017
- 2017-11-14 CN CN201721520853.3U patent/CN207454564U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217534A (en) * | 2021-05-14 | 2021-08-06 | 人本股份有限公司 | Solid needle roller bearing and processing technology of bearing outer ring |
| CN113551021A (en) * | 2021-06-22 | 2021-10-26 | 浙江万里扬股份有限公司 | Connection structure, derailleur and vehicle |
| CN113551021B (en) * | 2021-06-22 | 2022-09-20 | 浙江万里扬股份有限公司 | Connection structure, derailleur and vehicle |
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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 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Wenzhou economic and Technological Development Zone, Wenzhou, Wenzhou, Zhejiang Province, No. 515, seashore 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 |