CN207454564U - Automobile camshaft is with needle bearing and grinding bearing assembly - Google Patents

Automobile camshaft is with needle bearing and grinding bearing assembly Download PDF

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Publication number
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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China
Prior art keywords
bearing
groove
outer ring
ring
inner race
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CN201721520853.3U
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Chinese (zh)
Inventor
郭长建
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Shanghai C&U Group Co Ltd
C&U Co Ltd
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C&U Group Ltd
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Priority to CN201721520853.3U priority Critical patent/CN207454564U/en
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Publication of CN207454564U publication Critical patent/CN207454564U/en
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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

Automobile camshaft is with needle bearing and grinding bearing assembly
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.
CN201721520853.3U 2017-11-14 2017-11-14 Automobile camshaft is with needle bearing and grinding bearing assembly Active CN207454564U (en)

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

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CN201721520853.3U Active CN207454564U (en) 2017-11-14 2017-11-14 Automobile camshaft is with needle bearing and grinding bearing assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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