CN111336177A - Double-side angle contact type wide automobile bearing - Google Patents

Double-side angle contact type wide automobile bearing Download PDF

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Publication number
CN111336177A
CN111336177A CN201811555441.2A CN201811555441A CN111336177A CN 111336177 A CN111336177 A CN 111336177A CN 201811555441 A CN201811555441 A CN 201811555441A CN 111336177 A CN111336177 A CN 111336177A
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CN
China
Prior art keywords
bearing
outer ring
inner ring
end groove
double
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811555441.2A
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Chinese (zh)
Inventor
王彩芹
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811555441.2A priority Critical patent/CN111336177A/en
Publication of CN111336177A publication Critical patent/CN111336177A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
    • F16C33/366—Tapered rollers, i.e. rollers generally shaped as truncated cones
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention discloses a double-side angular contact type wide automobile bearing, which comprises a bearing inner ring, a bearing outer ring, a tapered roller and a retainer, wherein the bearing inner ring and the bearing outer ring are cylindrical ring bodies with through holes arranged in the centers, the bearing inner ring is arranged in the center of the through hole of the bearing outer ring, two ends of the inner periphery of the bearing outer ring are respectively provided with a sunken upper end groove, the bottom end surface of the upper end groove is inclined upwards by 15 degrees from inside to outside, two ends of the outer periphery surface of the bearing inner ring are respectively sunken inwards to be provided with lower end grooves, the bottom end surface of the lower end groove is inclined downwards by 15 degrees from inside to outside, the tapered roller is arranged between the upper end groove and the lower end groove, the tip end of the tapered roller is horizontally arranged inwards, and the included angle between the circumference surface of the tapered roller and the. Through the mode, the bidirectional axial pressure bearing device can bear bidirectional axial pressure, and the material consumption of the roller is saved.

Description

Double-side angle contact type wide automobile bearing
Technical Field
The invention relates to the field of automobile bearings, in particular to a bilateral angular contact type wide automobile bearing.
Background
The angular contact ball bearing mainly bears larger unidirectional axial load, the larger the contact angle is, the larger the load bearing capacity is, the retainer is made of steel plates, brass or engineering plastics, the forming mode is stamping or turning, the retainer is selected according to different bearing forms or use conditions, and other retainer is provided with a combined angular contact ball bearing, a double-row angular contact ball bearing and a four-point contact ball bearing. The common angular contact bearing can only bear axial pressure from one direction, and if axial pressure on two sides needs to be borne, angular contact rollers need to be designed from two ends of the bearing.
Disclosure of Invention
The invention mainly solves the technical problem of providing a double-side angular contact type wide automobile bearing which can bear bidirectional axial pressure and save the material consumption of a roller.
In order to solve the technical problems, the invention adopts a technical scheme that: the double-side angular contact type wide automobile bearing comprises a bearing inner ring, a bearing outer ring, tapered rollers and a retainer, wherein the bearing inner ring and the bearing outer ring are cylindrical rings, the centers of the cylindrical rings are provided with through holes, the bearing inner ring is arranged in the center of the through hole of the bearing outer ring, two ends of the inner periphery of the bearing outer ring are respectively provided with a sunken upper end groove, the bottom end surface of the upper end groove is upwards inclined by 15 degrees from inside to outside, two ends of the outer peripheral surface of the bearing inner ring are respectively inwards sunken to be provided with lower end grooves, the bottom end surface of the lower end groove is downwards inclined by 15 degrees from inside to outside, the tapered rollers are arranged between the upper end groove and the lower end groove, the tips of the tapered rollers are horizontally arranged inwards, the included angles between the circumferential surfaces of the tapered rollers and the horizontal plane are 15 degrees, and two sides of the tapered, and sealing covers are arranged at the gap openings at the two ends of the bearing inner ring and the bearing outer ring.
In a preferred embodiment of the invention, the width of the bearing inner race and the bearing outer race is greater than three times the width of the tapered rollers.
In a preferred embodiment of the present invention, the two circular edges of the tapered roller are rounded.
In a preferred embodiment of the present invention, the contact surface of the retainer and the tapered roller is provided with a concave arc surface.
The invention has the beneficial effects that: the invention improves and designs the angular contact bearing with larger width, designs the oblique tapered roller contact connection mode from the two ends of the bearing, does not need to additionally set a roller structure in the middle of the inside of the bearing to improve the rotation coefficient, saves materials to a great extent, and simultaneously ensures that the bearing can bear the axial pressure of the left and right directions by the design of the roller.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural diagram of a double-sided angular contact type wide body automobile bearing according to a preferred embodiment of the present invention;
the parts in the drawings are numbered as follows: 1. a bearing inner race; 2. a bearing outer race; 3. a tapered roller; 4. a holder; 5. an upper end groove; 6. a lower end groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention includes:
a double-side angular contact type wide automobile bearing comprises a bearing inner ring 1, a bearing outer ring 2, tapered rollers 3 and a retainer 4, wherein the bearing inner ring 1 and the bearing outer ring 2 are cylindrical rings with through holes arranged in the centers, the bearing inner ring 1 is arranged in the center of the through hole of the bearing outer ring 2, two ends of the inner periphery of the bearing outer ring 2 are respectively provided with a sunken upper end groove 5, the bottom end surface of the upper end groove 5 inclines upwards by 15 degrees from inside to outside, two ends of the outer peripheral surface of the bearing inner ring 1 are respectively inwards sunken to be provided with lower end grooves 6, the bottom end surface of the lower end grooves 6 inclines downwards by 15 degrees from inside to outside, the tapered rollers 3 are arranged between the upper end groove 5 and the lower end grooves 6, the tips of the tapered rollers 3 are horizontally arranged inwards, the included angle between the circumferential surface of the tapered rollers 3 and the horizontal plane is 15 degrees, two sides of the tapered roller 3 are erected in the retainer 4, and sealing covers are arranged at two end gap openings of the bearing inner ring 1 and the bearing outer ring 2.
In addition, the widths of the bearing inner ring 1 and the bearing outer ring 2 are more than three times the width of the tapered rollers 3.
In addition, the circular edges of the two end surfaces of the tapered roller 3 are polished by round corners.
In addition, the contact surface of the retainer 4 and the tapered roller 3 is provided with an inner concave cambered surface.
The working principle of the invention is that the bearing inner ring 1 and the bearing outer ring 2 are both cylindrical ring bodies with through holes arranged in the centers, the bearing inner ring 1 is arranged in the center of the through hole of the bearing outer ring 2, the widths of the bearing inner ring 1 and the bearing outer ring 2 are more than three times of the widths of the tapered roller 3, the circular edges of the two end surfaces of the tapered roller 3 are polished by round angles, the two ends of the inner periphery of the bearing outer ring 2 are respectively provided with a sunken upper end groove 5, the bottom end surface of the upper end groove 5 inclines upwards by 15 degrees from inside to outside,
two ends of the outer peripheral surface of the bearing inner ring 1 are respectively provided with a lower end groove 6 in an inward concave mode, the bottom end face of the lower end groove 6 inclines downwards by 15 degrees from inside to outside, a tapered roller 3 is installed between the upper end groove 5 and the lower end groove 6, and the tip end of the tapered roller 3 is horizontally arranged towards the inner side.
The included angle between the circumferential surface of the tapered roller 3 and the horizontal plane is 15 degrees, two sides of the tapered roller 3 are erected in the retainer 4, the contact surface of the retainer 4 and the tapered roller 3 is provided with a concave cambered surface, and the gap openings of two ends of the bearing inner ring 1 and the bearing outer ring 2 are provided with sealing covers.
The tapered roller structure with angular contact on both sides can well form a good rotation coefficient between the inner ring and the outer ring of the bearing, the roller structure does not need to be additionally set in the middle of the inside of the bearing to improve the rotation coefficient, materials are saved to a great extent, and the design of the rollers enables the bearing to bear the axial pressure of the left side and the right side.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (4)

1. A double-side angular contact type wide automobile bearing comprises a bearing inner ring, a bearing outer ring, tapered rollers and a retainer, and is characterized in that the bearing inner ring and the bearing outer ring are cylindrical rings with through holes arranged in the centers, the bearing inner ring is arranged in the center of the through hole of the bearing outer ring, two ends of the inner periphery of the bearing outer ring are respectively provided with a sunken upper end groove, the bottom end surface of the upper end groove is inclined upwards by 15 degrees from inside to outside, two ends of the outer peripheral surface of the bearing inner ring are respectively recessed inwards to be provided with lower end grooves, the bottom end surface of the lower end groove is inclined downwards by 15 degrees from inside to outside, the tapered rollers are arranged between the upper end groove and the lower end groove, the tips of the tapered rollers are horizontally arranged inwards, the included angle between the circumferential surface of the tapered rollers and the horizontal plane is 15 degrees, and two sides of the tapered rollers are erected inside, and sealing covers are arranged at the gap openings at the two ends of the bearing inner ring and the bearing outer ring.
2. The double-sided angular contact wide automotive bearing of claim 1, wherein the width of the bearing inner race and the bearing outer race is greater than three times the width of the tapered rollers.
3. The double-sided angular contact wide automotive bearing of claim 1, wherein the rounded edges of the two end faces of the tapered roller are fillet ground.
4. The double-sided angular contact wide automotive bearing of claim 1, wherein the contact surface of the cage and the tapered roller is provided with an inner concave cambered surface.
CN201811555441.2A 2018-12-18 2018-12-18 Double-side angle contact type wide automobile bearing Pending CN111336177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811555441.2A CN111336177A (en) 2018-12-18 2018-12-18 Double-side angle contact type wide automobile bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811555441.2A CN111336177A (en) 2018-12-18 2018-12-18 Double-side angle contact type wide automobile bearing

Publications (1)

Publication Number Publication Date
CN111336177A true CN111336177A (en) 2020-06-26

Family

ID=71183201

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811555441.2A Pending CN111336177A (en) 2018-12-18 2018-12-18 Double-side angle contact type wide automobile bearing

Country Status (1)

Country Link
CN (1) CN111336177A (en)

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PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200626

WD01 Invention patent application deemed withdrawn after publication