CN110230640A - Sealing device and rolling bearing - Google Patents
Sealing device and rolling bearing Download PDFInfo
- Publication number
- CN110230640A CN110230640A CN201910356577.9A CN201910356577A CN110230640A CN 110230640 A CN110230640 A CN 110230640A CN 201910356577 A CN201910356577 A CN 201910356577A CN 110230640 A CN110230640 A CN 110230640A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- sealing cover
- ring
- sealing
- rolling bearing
- 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
Links
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to sealing devices and rolling bearing.Disclose a kind of rolling bearing, comprising: outer ring, flange and the multiple card slots for the axial end portion that outer ring is set including being located at the radially-outer surface of outer ring；Inner ring；Rolling element is arranged between outer ring and inner ring；And sealing device, sealing device include: sealing cover, including annular body portion and multiple buckles, are extended wherein buckling from main part；And snap ring, wherein when sealing cover is installed to outer ring, buckle can be respectively received in the card slot of outer ring, to limit the relative motion of outer ring and sealing cover circumferentially, and snap ring can be contained in the accommodation space limited by the flange of outer ring and the buckle of sealing cover, to limit outer ring and sealing cover along axial relative motion.
Description
Technical field
The present invention relates to technical field of sealing technology.More particularly, the present invention relate to the sealing devices of rolling bearing.
Background technique
The rolling bearing of wheel pair for rail vehicle prevents dust or other particles from invading bearing using sealing device
Lubricant leakage that is internal and preventing Bearing inner.Fig. 1 is a kind of sectional view of the rolling bearing of embodiment.As shown in Figure 1,
Rolling bearing includes outer ring 110, inner ring 120, two line column rollers 130 between inner ring 110 and outer ring 120, consolidates respectively
The retaining ring 150 of two sealing covers 140 of two axial ends for arriving outer ring 110 surely and the axial end that inner ring 120 is set.It is close
Capping 140 generallys use Sheet Metal Forming Technology manufacture, and has generally annular in shape.Sealing cover 140 passed through in its radial outside
It is full of and is coupled onto the radially-outer surface of outer ring 110, such as in the slot on the radially-outer surface of outer ring 110.In track
After the certain mileage of vehicle driving (such as 1,200,000 kilometers), need to disassemble rolling bearing to clean and check each of rolling bearing
Component.If determining that all parts of rolling bearing do not damage, and are re-assemblied and inject fresh lubrication after checking
Agent.Radially-outer surface due to sealing cover 140 using interference fit fixed to outer ring 110 seals so dismantling from rolling bearing
Lid 140 will lead to the deformation of sealing cover 140 and cannot reuse.This will cause waste of material and increased costs.
Two sealing covers 140 are respectively installed to two axial ends of outer ring 110, so that the overall width of rolling bearing is outer ring
Thickness of 110 width plus the main part of sealing ring 140.Since the overall width of rolling bearing needs accurate control, so
Also need the size for accurately controlling sealing cover 140.This causes the machining accuracy of sealing cover 140 and production cost higher.In addition,
To realize the interference fit with sealing cover 140, the size of slot is also required on the radially-outer surface of the outer ring of rolling bearing 110
Accurate control.Therefore, this causes the machining accuracy of rolling bearing and manufacturing cost to further increase.
For this reason, it may be necessary to a kind of reusable sealing device and rolling bearing.
Summary of the invention
It is an object of the present invention to provide detachable and reusable sealing device and rolling bearings.Of the invention
Another object is to provide the sealing device and rolling bearing that manufacturing cost and use cost reduce.It is another object of the present invention to mention
The sealing device and rolling bearing reduced for dimensional accuracy and machining accuracy.
One aspect of the present invention provides a kind of rolling bearing, comprising: outer ring, including the radially-outer surface positioned at outer ring
Multiple card slots of flange and the axial end portion that outer ring is set；Inner ring；Rolling element is arranged between outer ring and inner ring；
And sealing device, sealing device include: sealing cover, including annular body portion and multiple buckles, are extended wherein buckling from main part；
And snap ring, wherein buckle can be respectively received in the card slot of outer ring, when sealing cover is installed to outer ring to limit outer ring
With the relative motion of sealing cover circumferentially, and snap ring can be contained in the appearance limited by the flange of outer ring and the buckle of sealing cover
It receives in space, to limit outer ring and sealing cover along axial relative motion.
According to an embodiment of the invention, the buckle of sealing cover and the card slot of outer ring are arranged to correspond.
According to an embodiment of the invention, the buckle of sealing cover is uniformly distributed circumferentially, and the card slot of outer ring is circumferentially equal
Even distribution.
According to an embodiment of the invention, sealing device further includes sealing ring, it is fixed to one of outer ring and sealing cover,
Wherein when sealing cover is installed to outer ring, sealing ring is located at the axially inner side of the main part of sealing cover and is located at the radial direction of outer ring
Inside, and against the other of outer ring and sealing cover.
According to an embodiment of the invention, sealing cover further includes the protruding portion extended from the axially inner side of main part, sealing ring
Protruding portion fixed to sealing cover.
According to an embodiment of the invention, sealing device is located at the axis of outer ring on the whole when sealing device is installed to outer ring
Into length range.
According to an embodiment of the invention, the outer diameter of flange is less than or equal to the maximum outside diameter of the other parts of outer ring, and
When sealing device is installed to outer ring, the outer diameter of sealing cover and the outer diameter of snap ring are arranged to outside the maximum less than or equal to outer ring
Diameter.
Another aspect of the present invention provides a kind of sealing device for rolling bearing, and rolling bearing includes outer ring, inner ring
And the rolling element being arranged between outer ring and inner ring, outer ring include the flange of the radially-outer surface positioned at outer ring and are arranged in outer ring
An axial end portion multiple card slots, sealing device includes: sealing cover, including annular body portion and multiple buckles, wherein
Buckle extends from main part；And snap ring, wherein buckle can be respectively received in outer ring when sealing cover is installed to outer ring
In card slot, to limit the relative motion of outer ring and sealing cover circumferentially, and snap ring can be contained in by the flange of outer ring and close
In the accommodation space that the buckle of capping limits, to limit outer ring and sealing cover along axial relative motion.
According to an embodiment of the invention, the buckle of sealing cover is uniformly distributed circumferentially.
According to an embodiment of the invention, sealing device further includes sealing ring, it is fixed to sealing cover, wherein when sealing cover is pacified
When being attached to outer ring, sealing ring is located at the axially inner side of the main part of sealing cover and is located at the radially inner side of outer ring, and against
Outer ring.
According to an embodiment of the invention, sealing cover further includes the protruding portion extended from the axially inner side of main part, sealing ring
Protruding portion fixed to sealing cover.
Detailed description of the invention
Fig. 1 is a kind of sectional view of the rolling bearing of embodiment.
Fig. 2 is the perspective view of the rolling bearing of embodiment according to the present invention.
Fig. 3 is the sectional view of the rolling bearing of embodiment according to the present invention.
Fig. 4 is the partial enlarged view in Fig. 3 at A.
Fig. 5 is the perspective view of the sealing cover of embodiment according to the present invention.
Fig. 6 is the sectional view of the sealing cover of embodiment according to the present invention.
Fig. 7 is the perspective view of the outer ring of embodiment according to the present invention.
Fig. 8 is the plan view of the outer ring of embodiment according to the present invention.
Fig. 9 is sectional view of the outer ring shown in fig. 8 along B-B.
Specific embodiment
Hereinafter, embodiment of the invention will be described with reference to drawings.Following detailed description and drawings are for illustratively saying
Bright the principle of the present invention, the present invention is not limited to described preferred embodiment, the scope of the present invention is defined by the claims.It is existing
The embodiment the present invention is described in detail of reference example, some embodiments are illustrated in the drawings.Be described below with reference to attached drawing into
Row, unless otherwise indicated, otherwise same reference numerals in different figures represent same or similar element.Following exemplary
Scheme described in embodiment does not represent all schemes of the invention.On the contrary, these schemes are related in appended claims
And various aspects of the invention system and method example.
The present invention provides a kind of sealing device of rolling bearing, the especially rolling bearing for the wheel pair of rail vehicle.
Fig. 2 is the perspective view of the rolling bearing of embodiment according to the present invention.Fig. 3 is the rolling bearing of embodiment according to the present invention
Sectional view.Fig. 4 is the partial enlarged view in Fig. 3 at A.As shown in figure 3, rolling bearing may include outer ring 10, inner ring 20 and rolling
Kinetoplast 30.In the exemplary embodiment, rolling element 30 can be cylindrical body.Rolling bearing can also include sealing device 40 and gear
Circle 50.In the exemplary embodiment, sealing device 40 can be separately positioned at two axial ends of outer ring 10.Retaining ring 50 can be with
It is arranged at an axial end of inner ring 20.
According to an embodiment of the invention, sealing device 40 may include sealing cover 41 and snap ring 42.Fig. 5 is according to the present invention
Embodiment sealing cover perspective view.Fig. 6 is the sectional view of the sealing cover of embodiment according to the present invention.As shown in figure 5, close
Capping 41 is in general toroidal.Sealing cover 41 may include main part 411 and multiple buckles 412.Main part 411 has substantially annulus
Shape.Buckle 412 can extend from main part 411.In the exemplary embodiment, as shown in Figure 5 and Figure 6,412 are buckled from master
The radially outward edge in body portion 411 extends.In other embodiments, buckle 412 can also prolong from the other positions of main part 411
It stretches out.In the exemplary embodiment, buckle 412 can have substantially zigzag cross sectional shape.In other embodiments, 412 are buckled
Also other shapes be can have.In the exemplary embodiment, multiple buckles 412 are uniformly distributed along the periphery of sealing cover 41.For example,
Four buckles 412 that sealing cover 411 has rotational symmetry distribution are shown in Fig. 5.Snap ring 42 can have annular shape.In example
In property embodiment, snap ring 42 can be made of elastic material, such as rubber etc..
According to an embodiment of the invention, outer ring 10 may include flange 11 and card slot 12.Fig. 7 is implementation according to the present invention
The perspective view of the outer ring of example.Fig. 8 is the plan view of the outer ring of embodiment according to the present invention.Fig. 9 is outer ring edge shown in fig. 8
The sectional view of B-B.Flange 11 can be located at the radially-outer surface of outer ring 10.The axial end portion in outer ring 10 can be set in card slot 12
Place.As shown in Figure 7 and Figure 8, card slot 12 is axially extended from the axial external surface of flange 11, and flange 11 is divided by card slot 12
At multiple sections.In the exemplary embodiment, circumferential direction of the card slot 12 along outer ring 10 is uniformly distributed.For example, being shown in Fig. 7 and Fig. 8
Outer ring 10 has four card slots 12 of rotational symmetry distribution.According to an embodiment of the invention, the position of the buckle 412 of sealing cover 41
It is arranged to corresponding with the position of card slot 12 of outer ring 10.In the exemplary embodiment, the quantity of the buckle 412 of sealing cover 41 with
The quantity of the card slot 12 of outer ring 10 is identical.One-to-one correspondence can be set into the buckle 412 of sealing cover 41 and the card slot 12 of outer ring 10.
The process that sealing device is installed to outer ring is described below.Firstly, the buckle 412 of sealing cover 41 is respectively aligned to outer
The respective card slot 12 of circle 10.Then, move axially relatively sealing cover 41 and outer ring 10, by each buckle of sealing cover 41
412 are inserted respectively into the respective card slot 12 of outer ring 10.At this moment, outer ring 10 flange 11 and sealing cover 41 buckle 412 it
Between form continuous circumferential accommodation space.Later, snap ring 42 is circumferentially covered to the radially-outer surface and sealing cover 41 in outer ring 10
Buckle 412 on, so that snap ring 42 is located in the accommodation space.In some embodiments, when sealing cover 41 is installed to outer ring 10
When, radially inner side and the inner ring 20 or retaining ring 50 of sealing cover 41 keep non-contact.
According to an embodiment of the invention, as shown in figure 4, buckle 412 circumferentially encloses after sealing cover 41 is installed to outer ring 10
Around outer ring 10 and it is located in the card slot 12 of outer ring 10.To which the buckle 412 of sealing cover 41 and the card slot 12 of outer ring 10 are mutual about
Beam, to limit the relative motion of outer ring 10 and sealing cover 412 circumferentially.In the exemplary embodiment, the width of buckle 412 circumferentially
Degree and the width of card slot 12 circumferentially match.
According to an embodiment of the invention, as shown in Figure 3 and Figure 4, when sealing cover 41 is installed to outer ring 10, snap ring 42 can be with
It is contained in the accommodation space as defined by the flange 11 of outer ring 10 and the buckle 412 of sealing cover 41.To which snap ring 42 can limit
Outer ring 10 processed and sealing cover 412 are along axial relative motion.
The sealing device of embodiment according to the present invention can be releasably attached to the outer ring of rolling bearing, and tear open
Sealing device especially sealing cover is not damaged during unloading.To which the sealing device can be repeated after removal
It utilizes.It reduce the operation and maintenance costs of sealing device and rolling bearing.
The outer diameter of some embodiments according to the present invention, flange 11 can be less than or equal to the other parts of outer ring 10 most
Big outer diameter.Some embodiments according to the present invention, as shown in Fig. 3, Fig. 4 and Fig. 9, outer ring 10 can axially end and
The recess portion that outer diameter reduces is formed at its radially-outer surface.Flange 11 is located in the recess portion.When sealing device 40 is installed to outer ring 10
When, buckle 412 and snap ring 42 also are located in the recess portion.In the exemplary embodiment, 412 outer diameter and the outer diameter of snap ring 42 are buckled
It can be arranged to the maximum outside diameter less than or equal to outer ring 10.In the exemplary embodiment, circumferential direction of the recess portion along outer ring 10
Continuously extend.By making the outer diameter of flange 11 and sealing device 40 be arranged to the maximum outside diameter no more than outer ring 10, roll
The overall dimensions of bearing not will increase, so that rolling bearing according to the present invention is adapted to existing wheel to structure.
Some embodiments according to the present invention, when sealing device 40 is installed to outer ring 10, sealing device 40 can be whole
In the upper axial length range for being located at outer ring 10.As shown in Figure 3 and Figure 4, axial external surface (including the main part of sealing cover 41
411 axial external surface and the axial external surface of buckle 412) it is concordant with the axial external surface of outer ring 10, or compared to outer ring
10 axial external surface is to inwardly concave.Specifically, the main part 411 of sealing cover 41 is fully located at the radially inner side of outer ring 10,
And the buckle 412 of sealing cover 41 is fully accommodated in the axial direction in the card slot 12 of outer ring 10.By installing sealing device 40
At being fully located in the axial length range of outer ring 10, the width of rolling bearing will only rely upon the width of outer ring and inner ring, and
Without the width for considering sealing device 40.Thus, it is possible to reduce the dimensional accuracy and processing to sealing device especially sealing cover
The requirement of precision, and the production cost of sealing device can be reduced.
Some embodiments according to the present invention, sealing device 40 can also include sealing ring 43, be fixed to outer ring 10 or
Sealing cover 41.The axially inner side of the main part 411 of sealing cover 41 and the radially inner side of outer ring 10 is arranged in sealing ring 43, is used for
Further sealing is formed between sealing cover 41 and outer ring 10.In the exemplary embodiment, as shown in Fig. 3, Fig. 4 and Fig. 6, sealing cover
41 can also include the protruding portion 413 extended from the axially inner side of main part 411.Sealing ring 43 can be fixed to sealing cover 41
Protruding portion 413, such as be formed directly on the protruding portion 413 by sulfuration process.In other embodiments, sealing ring 43 may be used also
To be otherwise fixedly secured to the other positions of sealing cover 41.When sealing device 40 is installed to outer ring 10, sealing ring 43 will be supported
By outer ring 10.In some embodiments, outer ring 10 may include the holding tank positioned at its inner radial surface, to work as sealing device
40 when being installed to outer ring 10, and sealing ring 43 can be contained in the holding tank of outer ring 10.
Above description when sealing cover 41 is installed to outer ring 10, the buckle 412 of the flange 11 of outer ring 10 and sealing cover 41 it
Between form continuous circumferential accommodation space, i.e., annular accommodation space.But the invention is not limited thereto.Implementation according to the present invention
Example, the circumferential direction accommodation space can also be arranged to discrete, such as be made of multiple sections.
43 fixing seal lid 41 of above description sealing ring.But the invention is not limited thereto.According to an embodiment of the invention,
Sealing ring is also secured to outer ring 10.In this case, when sealing device 40 is installed to outer ring 10, sealing ring will be against close
Capping 41.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to above-mentioned realities
Apply the construction and method of example.On the contrary, it is intended to cover various modifications example and equivalent arrangements.In addition, although in various examples
Property combination and construction in show the various elements and method and step of disclosed invention, but including more, less element
Or other combinations of method are also fallen within the scope of the present invention.
Claims (11)
1. a kind of rolling bearing, comprising:
Outer ring, including being located at the flange of the radially-outer surface of the outer ring and axial end portion of the outer ring being arranged in
Multiple card slots；
Inner ring；
Rolling element is arranged between the outer ring and the inner ring；With
Sealing device, the sealing device include:
Sealing cover, including annular body portion and multiple buckles, wherein the buckle extends from the main part；With
Snap ring,
Wherein when the sealing cover is installed to the outer ring, the buckle can be respectively received in the card slot of the outer ring
In, to limit the relative motion of the outer ring and the sealing cover circumferentially, and the snap ring can be contained in by described outer
In the accommodation space that the flange of circle and the buckle of the sealing cover limit, to limit the outer ring and the sealing cover
Along axial relative motion.
2. rolling bearing according to claim 1, wherein the buckle of the sealing cover and the card of the outer ring
Slot is arranged to correspond.
3. rolling bearing according to claim 2, wherein the buckle of the sealing cover is uniformly distributed circumferentially, and
And the card slot of the outer ring is uniformly distributed circumferentially.
4. rolling bearing according to any one of claim 1 to 3, wherein the sealing device further includes sealing ring,
Fixed to one of the outer ring and the sealing cover, wherein when the sealing cover is installed to the outer ring, the sealing
Ring is located at the axially inner side of the main part of the sealing cover and is located at the radially inner side of the outer ring, and against described
The other of outer ring and the sealing cover.
5. rolling bearing according to claim 4, wherein the sealing cover further includes the axially inner side from the main part
The protruding portion of extension, the sealing ring are fixed to the protruding portion of the sealing cover.
6. rolling bearing according to any one of claim 1 to 3, wherein when the sealing device is installed to outside described
When circle, the sealing device is located on the whole in the axial length range of the outer ring.
7. rolling bearing according to any one of claim 1 to 3, wherein the outer diameter of the flange is less than or equal to institute
The maximum outside diameter of the other parts of outer ring is stated, and when the sealing device is installed to the outer ring, outside the sealing cover
The outer diameter of diameter and the snap ring is arranged to the maximum outside diameter less than or equal to the outer ring.
8. a kind of sealing device for rolling bearing, the rolling bearing include outer ring, inner ring and setting in the outer ring and
Rolling element between the inner ring, the outer ring include the flange of the radially-outer surface positioned at the outer ring and are arranged described outer
Multiple card slots of one axial end portion of circle, the sealing device include:
Sealing cover, including annular body portion and multiple buckles, wherein the buckle extends from the main part；With
Snap ring, wherein the buckle can be respectively received in the outer ring when the sealing cover is installed to the outer ring
The card slot in, to limit the relative motion of the outer ring and the sealing cover circumferentially, and the snap ring can accommodate
In the accommodation space limited by the flange of the outer ring and the buckle of the sealing cover, with limit the outer ring and
The sealing cover is along axial relative motion.
9. sealing device according to claim 8, wherein the buckle of the sealing cover is uniformly distributed circumferentially.
10. sealing device according to claim 8 or claim 9 further includes sealing ring, it is fixed to the sealing cover, wherein when
When the sealing cover is installed to the outer ring, the sealing ring be located at the axially inner side of the main part of the sealing cover and
Radially inner side positioned at the outer ring, and against the outer ring.
11. rolling bearing according to claim 10, wherein the sealing cover further includes inside from the axis of the main part
The protruding portion that side extends, the sealing ring are fixed to the protruding portion of the sealing cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356577.9A CN110230640A (en) | 2019-04-29 | 2019-04-29 | Sealing device and rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356577.9A CN110230640A (en) | 2019-04-29 | 2019-04-29 | Sealing device and rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110230640A true CN110230640A (en) | 2019-09-13 |
Family
ID=67860370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910356577.9A Pending CN110230640A (en) | 2019-04-29 | 2019-04-29 | Sealing device and rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110230640A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096727A (en) * | 2020-10-16 | 2020-12-18 | 苏州耀佳金属科技有限公司 | Novel connecting flange shaft and preparation process thereof |
| WO2022061591A1 (en) * | 2020-09-23 | 2022-03-31 | 舍弗勒技术股份两合公司 | Sealing cover and bearing assembly |
-
2019
- 2019-04-29 CN CN201910356577.9A patent/CN110230640A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061591A1 (en) * | 2020-09-23 | 2022-03-31 | 舍弗勒技术股份两合公司 | Sealing cover and bearing assembly |
| CN112096727A (en) * | 2020-10-16 | 2020-12-18 | 苏州耀佳金属科技有限公司 | Novel connecting flange shaft and preparation process thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190913 |