KR101734691B1 - A Flinger For Bearing Having Preventing Means for Bending - Google Patents

A Flinger For Bearing Having Preventing Means for Bending Download PDF

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Publication number
KR101734691B1
KR101734691B1 KR1020150144936A KR20150144936A KR101734691B1 KR 101734691 B1 KR101734691 B1 KR 101734691B1 KR 1020150144936 A KR1020150144936 A KR 1020150144936A KR 20150144936 A KR20150144936 A KR 20150144936A KR 101734691 B1 KR101734691 B1 KR 101734691B1
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KR
South Korea
Prior art keywords
bearing
bending prevention
flange portion
bending
body portion
Prior art date
Application number
KR1020150144936A
Other languages
Korean (ko)
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KR20170045456A (en
Inventor
조지은
이경구
Original Assignee
셰플러코리아(유)
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Application filed by 셰플러코리아(유) filed Critical 셰플러코리아(유)
Priority to KR1020150144936A priority Critical patent/KR101734691B1/en
Publication of KR20170045456A publication Critical patent/KR20170045456A/en
Application granted granted Critical
Publication of KR101734691B1 publication Critical patent/KR101734691B1/en

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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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • 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
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
    • F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
    • 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
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/7833—Special methods of manufacture

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Abstract

The present invention comprises a flange portion of a cylindrical shape and a reduced-shaped body portion extending radially outward from one end of the flange portion; The flange portion is provided with bending prevention means; And the bending prevention means is at least one bending prevention protrusion formed on the other axial end side of the flange portion in a radially outward convex shape.

Description

 FIELD OF THE INVENTION [0001] The present invention relates to a flinger for bearings having anti-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bearing for a bearing having an anti-warpage means installed in a bearing, and more particularly, to a bearing for a bearing, The stress generated when the bearing for the bearing is provided is relieved to prevent deformation of the bearing for the bearing having the bending prevention means and improve the sealing performance of the bearing and the bearing for the bearing having the bending prevention means is installed The present invention relates to a bearing for a bearing equipped with a bending prevention means provided with bending prevention means for stably ensuring a contact area with a component to be subjected to bending.

A typical bearing is a mechanical element provided between the shaft and the housing and rotatably supporting a load acting on the shaft or the housing.

The bearing is provided with an outer ring inserted into the housing, an inner ring into which the shaft is inserted, a plurality of rolling members for rotatably supporting the outer ring and the inner ring between the outer ring and the inner ring, And a seal provided between the inner ring and the outer ring to prevent foreign matter from entering between the inner ring and the outer ring and to prevent the lubricant filling the inner portion from leaking to the outside.

Hereinafter, conventional technology will be described as an example of a bearing for a bearing equipped with a bending prevention device applied to an automotive wheel bearing.

1 shows a conventional automotive wheel bearing. 2 is an enlarged cross-sectional view of the portion " A " in Fig.

Referring to Figs. 1 and 2, the wheel bearing includes an outer ring 60, an inner ring 50, and a rolling member 70 rolling between them while being supported by a retainer. The inside of the wheel bearing is filled with grease. A seal 80 is provided in the opening between the outer ring 60 and the inner ring 50 to prevent foreign matter from entering the interior of the wheel bearing and leakage of the grease.

The seal 80 of the prior art has a supporting member 83, a bearing flipping tool 1 having a ring-shaped bending prevention means and a seal member 81 attached to the support member 83 . The seal 80 may further include a bearing fingering tool 1 having a bending prevention means for contacting the seal lip 82 to seal the seal 80.

The seal member 81 is provided with a plurality of seal lip 82 as shown in Fig. 1 in the direction toward the bearing spindle 1 having the bending prevention means.

The bearing for a bearing 1 having the above-mentioned bending prevention means is provided with an inner ring 50 inserted therein. The flanging bearing (1) having the above-mentioned bending prevention means comprises a flange portion (10) having a cylindrical shape extending in the axial direction and an annular body portion (11) provided on one side in the axial direction of the flange portion .

The body portion 11 is provided in a shape extending radially outward from an end portion of the flange portion 10. The inner ring (50) is provided with a bearing for a bearing (1) having a body portion (11) with one side in the axial direction of the inner ring (50)

A plurality of seal lips 82 are brought into contact with the radially outer side surface of the flange portion 10 of the bearing sprinkler 1 provided with the bending prevention means and the surface facing the bearing in the axial direction of the body portion 11. [

The flange portion 10 is coupled to the inner ring 50 in an interference fit manner when the bearing ring 1 is provided on the inner ring 50. [ The end of the flange portion 10 is lifted due to the deformation of the flange portion 10 when the bearing for a bearing 1 having the bending prevention means is mounted on the inner ring 50 and is not brought into close contact with the inner ring 50, The body portion 11 is deformed outward in the axial direction so that the surface contacting the seal lip 82 is separated from the body portion 11 and the sealing force of the seal 80 is lowered There was a problem.

Korean Registered Patent No. 10-1322425 (Oct. 31, 2013)

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above-mentioned problems, and it is an object of the present invention to provide a bearing for a bearing provided with a bending prevention means formed on a flange portion, And an object of the present invention is to provide a bearing for a bearing which is provided with a bending prevention means provided with a bending prevention means which is suppressed from deformation of a flinger and is closely attached to a bearing and maintains a sealing force of the seal.

The present invention comprises a flange portion of a cylindrical shape and a reduced-shaped body portion extending radially outward from one end of the flange portion; The flange portion is provided with bending prevention means; Wherein the bending prevention means is at least one bending prevention protrusion formed on the other axial end side of the flange portion in a radial direction outwardly, the bending prevention means comprising a bending prevention means having a bending prevention means .

In the above, the bending prevention means is at least one bending prevention hole; And the bending prevention hole is formed at the other axial end of the flange portion.

In the above, the bending prevention means is one or more bending prevention grooves; And the bending prevention groove is formed in the flange portion so as to be annular along the circumferential direction.

In the above, the bending prevention means is a bending prevention bent portion; And the bending prevention bending portion is formed in an annular shape extending in the radial direction at the other end portion in the axial direction of the flange portion.

In this case, the bending prevention bending portion 124 is formed to be extended in parallel with the body portion 111 in the radial direction.

The bending prevention bending portion 124 may be inclined toward the body portion 111 in the axial direction.

In the above, the warp preventing means is a warp preventing concave portion; The bending prevention concave portion is formed in the bent portion where the flange portion and the body portion are coupled, and is formed to be curved and concave along the circumferential direction.

In the above, the warp preventing means is a warp preventing middle patch; And the bending preventing overlap portion is formed by bending and overlapping the other end portion in the axial direction of the flange portion toward the body portion.

The present invention provides a bearing for a bearing having a bending prevention means, which is provided with bending prevention means to prevent deformation when the bearing is mounted on the bearing, so that the fixing of the bearing for a bearing having the bending prevention means and the sealing force of the bearing seal There is an effect to be improved.

1 is a cross-sectional view showing a conventional automotive wheel bearing,
2 is an enlarged cross-sectional view of the portion " A " of Fig. 1,
3 is a partially cutaway perspective view of a bearing for a bearing having a bending prevention device according to a first embodiment of the present invention,
4 is a cross-sectional view for explaining the bending prevention means of the bearing for a bearing with the bending prevention means shown in Fig. 3,
5 is a perspective view showing a part of a bearing for a bearing having a bending prevention means provided with bending prevention means according to a second embodiment of the present invention,
FIG. 6 is a perspective view illustrating a part of a bearing for a bearing having a bending prevention device having bending prevention means according to a third embodiment of the present invention,
FIG. 7 is a perspective view showing a part of a bearing for a bearing having a bending preventing means provided with bending prevention means according to a fourth embodiment of the present invention,
FIG. 8 is a perspective view illustrating a part of a bearing for a bearing having a bending prevention device having a bending prevention device according to a fifth embodiment of the present invention,
FIG. 9 is a perspective view showing a part of a bearing for a bearing having a bending preventing means provided with bending prevention means according to a sixth embodiment of the present invention.

Hereinafter, a technical configuration of a bearing for a bearing having a deflection preventing means according to the accompanying drawings will be described in detail.

FIG. 3 is a partially cutaway perspective view of a bearing for a bearing with a bending prevention device according to a first embodiment of the present invention, and FIG. 4 is a perspective view showing a bending prevention device of a bearing for a bearing with bending prevention means shown in FIG. And FIG. 5 is a perspective view showing a part of a bearing for a bearing having a bending prevention device provided with a bending prevention device according to a second embodiment of the present invention, and FIG. 6 is a perspective view Fig. 7 is a perspective view showing a part of a bearing for a bearing with a bending prevention device having a bending prevention device according to a third embodiment. Fig. 7 is a perspective view showing a bending prevention device having a bending prevention device according to a fourth embodiment of the present invention FIG. 8 is a perspective view showing a part of a bearing for a bearing having a bending prevention means provided with a bending prevention device according to a fifth embodiment of the present invention; FIG. 8 is a perspective view showing a part of a bearing for a bearing, FIG. 9 is a block diagram of the sixth A perspective view of a portion of the sample comprises the ringer for bearing the bending preventing means comprises a deflection-preventing means according to a o'clock.

Hereinafter, the horizontal direction in FIG. 4 is referred to as "axial direction" and the vertical direction in FIG. 4 is described as "radial direction".

3 and 4, a bearing flanging member 100 having a bending prevention means having a bending prevention means according to the present invention includes a cylindrical flange portion 110, a flange portion 110, And an annular body portion 111 provided at one axial end of the annular body portion 111.

The body portion 111 is formed in an annular shape.

The flange portion 110 may be provided on the radially outer side of the body portion 111. As described above, when the flange portion 110 is provided on the radially outer side of the body portion 111, the flange portion 110 is inserted into the inner diameter of the bearing outer ring with interference.

The flange portion 110 may be provided radially inward of the body portion 111.

As described above, when the flange portion 110 is provided radially inward of the body portion 111, the flange portion 110 is inserted into the outer diameter of the bearing inner ring with interference. The flange 110 may be coupled to the housing through which the bearing is mounted. The flange portion 110 may be installed in a drive shaft inserted into the wheel bearing.

Hereinafter, the present invention will be described by way of an embodiment of a bearing flanging member 100 having a flange portion 110 provided inside the body portion 111 in a radial direction.

The body portion 111 extends radially outward from the flange portion 110. The body portion 111 is formed in a reduced shape along an end portion of the flange portion 110.

In the first embodiment of the present invention, the bending prevention means 120 is provided on the flange portion 110 in the first embodiment of the present invention.

4, the bending prevention unit 120 includes a bending prevention protrusion 121 formed on a side of the flange 110 opposite to the body 111. As shown in FIG.

The bending prevention protrusion 121 is formed to be convex outward in the radial direction. The bending prevention protrusion 121 is formed so as to be convex inward in the radial direction when the body portion 111 extends radially inward from the flange portion 110. The bending prevention protrusion 121 protrudes in a direction in which the body portion 111 extends.

The end surface of the bending prevention protrusion 121 may have an arc shape. The bending prevention protrusions 121 are spaced apart from each other in the circumferential direction.

In the radially inner side surface of the bending prevention protrusion 121, a protrusion groove 121a is formed concavely outward in the radial direction along the direction in which the bending prevention protrusion 121 protrudes.

When the bending prevention protrusion 121 is radially inwardly protruded, the protrusion groove 121a may be recessed radially inward.

The bending prevention means 120 of the bearing for the flanging bearing 100 having the bending prevention means having the bending prevention means according to the second embodiment of the present invention is provided with a plurality of bending prevention holes (122).

5, the bending prevention hole 122 is formed radially through the opposite end of the flange 110 where the body 111 is located, and is open toward the end.

The bending prevention hole 122 may have various shapes such as a square shape and an arcuate shape. The bending prevention holes 122 are spaced apart in the circumferential direction to form a plurality of bending prevention holes 122.

6, the deflection preventing means 120 of the bearing for a fingering spool 100 having a deflection preventing means having a deflection preventing means according to a third embodiment of the present invention includes a flange portion 110, And a bending prevention groove 123 formed on the radially inner surface.

The bending prevention groove 123 is formed on the radially outer surface of the flange portion 110 when the flange portion 110 is provided on the radially outer side of the body portion 111.

The bending prevention groove 123 is formed to extend concavely along the circumferential direction on the inner surface of the flange portion 110. The end face of the bending prevention groove 123 is formed in an arc shape. The bending prevention grooves 123 are formed in plural in the axial direction.

7, the bending prevention unit 120 according to the fourth embodiment of the present invention includes a bending prevention bending portion 124 provided at the opposite end portion where the body portion 111 is located in the flange portion 110, .

The bending prevention bending portion 124 is provided to extend radially outward at an axially inner end portion of the flange portion 110. The bending prevention bending portion 124 is formed in an annular shape. The bending prevention bending portion 124 is spaced inward from the body portion 111 in the axial direction. The bending prevention bending portions 124 are disposed along the body portion 111 in a radial direction.

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8, the bending prevention unit 120 according to the fifth embodiment of the present invention includes a bending prevention concave portion formed at an inner end of the bent portion where the flange portion 110 and the body portion 111 are engaged with each other, (125).

The bending prevention recesses 125 extend in the circumferential direction. The circumferential cross section of the bending prevention concave portion 125 is curved and concave. The bending prevention concave portion 124 is recessed toward the space between the outer diameter surface of the flange portion 110 and the axial inner surface of the body portion 111.

When the flange portion 110 is provided radially outward of the body portion 111, the bending prevention concave portion 124 is bent toward the seal in the axial direction of the body portion 111 and the inner diameter surface of the flange portion 110 And is concave toward the side of the surface.

The bending prevention concave portions 125 may be divided into a plurality of circumferentially separated portions according to a modified example. The bending prevention concave portions 125 may be spaced apart from each other by 90 degrees in the circumferential direction.

9, the anti-flexure means 120 according to the sixth embodiment of the present invention comprises an anti-flexion middle portion 126 provided at an axially inner end portion of the flange portion 110. As shown in FIG.

The anti-flexion anti-flexion portion 126 is formed so that an axially inner end portion of the flange portion 110 is bent to face the body portion 111 and overlaps with the flange portion 110. The anti-flexion middle extension portion 126 extends along the axial inward end of the flange portion 110.

As described above, the bearing assembly spindle 100 having the bending prevention means according to the embodiment shown in Figs. 3 to 9 has the bending deflection when it is engaged with the outer diameter surface of the inner ring 50 of the wheel bearing or the drive shaft The stress generated in the flange portion 110 by the preventing means 120 is relaxed.

Therefore, since the flange portion 110 is prevented from being deformed radially outwardly, the contact area of the flange portion 110 that contacts the inner ring, the outer ring, the bearing drive shaft, and the housing to which the bearing is mounted is secured, The fixing performance of the bearing spindle 100 having the bending prevention means is improved.

Also, since the body portion 111 is prevented from being deformed outward in the axial direction, the body portion 111 is prevented from being axially outwardly spaced from the seal lip 82 of the seal member 81 extending axially outward And the sealability of the seal is improved.

While the present invention has been shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. I will understand that. Accordingly, the scope of the true technical protection should be determined by the technical idea of the appended claims.

100: a spindle for bearings with bending prevention means
110: flange portion 111: body portion
120: bending prevention means 121: bending prevention projection
122: bending prevention hole 123: bending prevention groove
124: bending prevention bent portion 125: bending prevention recess
126: Bending prevention middle attachment

Claims (8)

The flange portion 110 includes a cylindrical flange portion 110 and a reduced-shaped body portion 111 extending radially outward from one end of the flange portion 110. The flange portion 110 is radially inward of the body portion 111 ; The flange portion 110 is formed with a plurality of bending prevention grooves 123 which are concave in the inner surface of the flange portion 110 and extend in the circumferential direction as a bending prevention means 120, A flinger for bearings with deflection means. The flange portion 110 includes a cylindrical flange portion 110 and a reduced-shaped body portion 111 extending radially inwardly from one end of the flange portion 110. The flange portion 110 has a radially outer side of the body portion 111 ; The flange portion 110 is formed with a plurality of bending prevention grooves 123 which are concave in the outer surface of the flange portion 110 and extend in the circumferential direction, A flinger for bearings with deflection means. delete delete delete delete delete delete
KR1020150144936A 2015-10-16 2015-10-16 A Flinger For Bearing Having Preventing Means for Bending KR101734691B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150144936A KR101734691B1 (en) 2015-10-16 2015-10-16 A Flinger For Bearing Having Preventing Means for Bending

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150144936A KR101734691B1 (en) 2015-10-16 2015-10-16 A Flinger For Bearing Having Preventing Means for Bending

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KR20170045456A KR20170045456A (en) 2017-04-27
KR101734691B1 true KR101734691B1 (en) 2017-05-12

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3162276A1 (en) 2019-12-06 2021-06-10 Saint-Gobain Performance Plastics Corporation Flanged bearing, assembly, and method of making and using the same
EP4363735A1 (en) 2021-07-02 2024-05-08 Saint-Gobain Performance Plastics Pampus GmbH Flanged bearing, assembly, and method of making and using the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008144950A (en) * 2006-12-13 2008-06-26 Nsk Ltd Rotating speed detecting device, sealing device including the same, and wheel rolling bearing
JP2009168128A (en) * 2008-01-16 2009-07-30 Nsk Ltd Bearing sealing device and wheel support bearing unit
JP2014015208A (en) * 2010-07-22 2014-01-30 Nsk Ltd Wheel support roller bearing unit with encoder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008144950A (en) * 2006-12-13 2008-06-26 Nsk Ltd Rotating speed detecting device, sealing device including the same, and wheel rolling bearing
JP2009168128A (en) * 2008-01-16 2009-07-30 Nsk Ltd Bearing sealing device and wheel support bearing unit
JP2014015208A (en) * 2010-07-22 2014-01-30 Nsk Ltd Wheel support roller bearing unit with encoder

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