CN208793451U - Rolling bearing lubrication sealing structure - Google Patents
Rolling bearing lubrication sealing structure Download PDFInfo
- Publication number
- CN208793451U CN208793451U CN201821263505.7U CN201821263505U CN208793451U CN 208793451 U CN208793451 U CN 208793451U CN 201821263505 U CN201821263505 U CN 201821263505U CN 208793451 U CN208793451 U CN 208793451U
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- China
- Prior art keywords
- protective layer
- ring
- bearing
- end cover
- protective
- 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.)
- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 238000005461 lubrication Methods 0.000 title claims abstract description 21
- 239000011241 protective layer Substances 0.000 claims abstract description 102
- 230000001681 protective effect Effects 0.000 claims abstract description 58
- 239000004677 Nylon Substances 0.000 claims abstract description 8
- 229920001778 nylon Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229920002521 macromolecule Polymers 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a kind of rolling bearing lubrication sealing structures, including bearing inner race, bearing outer ring, rolling element, upper end cover, lower end cover and retainer, the bearing inner race, bearing outer ring, rolling element, retainer, upper end cover and lower end cover form rolling bearing structure, protective ring is provided on the excircle of the upper and lower ends of the bearing inner race, protective layer is provided on the outer wall of the protective ring, the utility model is that protective ring is arranged on the excircle of the upper and lower ends of the bearing inner race of rolling bearing, protective layer is set on the outer wall of protective ring, protective layer uses high molecule plastic, the non-metallic materials such as nylon are made, surface is smooth, the inner ring of the upper-lower seal end cap of rolling bearing is contacted with protective layer, the friction of upper-lower seal end cap and bearing inner race can effectively be reduced, reduce upper-lower seal The abrasion of end cap, oil film promote lubrication, to effectively reduce friction, guarantee bearing service life.
Description
Technical field
The utility model belongs to bearing arrangement technical field, and in particular to one kind can reduce bearing (ball) cover and bearing inner race
Friction rolling bearing lubrication sealing structure.
Background technique
Bearing is that component that is fixed and reducing load coefficient of friction is played in mechanical transmission course.It may also be said that when other
Parts are when generating relative motion each other on axis, for reducing coefficient of friction and the holding shaft center in power transmission process
Fixed parts.Bearing is a kind of very important components in contemporary mechanical equipment.Its major function is the mechanical rotation of support
Swivel, to reduce mechanical load coefficient of friction of the equipment in transmission process.
Rolling bearing is generally made of bearing outer ring, bearing inner race, rolling element, retainer and upper-lower seal end cap.It is existing
The upper-lower seal end cap of rolling bearing be generally arranged at the upper and lower ends of rolling bearing, to seal outside bearing inner race and bearing
Gap between two end faces of circle, the outer ring of usual upper-lower seal end cap and bearing outer ring are interference fitted, upper-lower seal end cap
The sealing lip of inner ring contacted with bearing inner race or there are certain gap, the lubricating grease in bearing cavity enters in bearing
Between circle and the inner ring of upper-lower seal end cap, oil film is formed, is realized in bearing inner race and upper-lower seal end cap using the oil film
Sealing and lubrication between circle, still, the upper-lower seal end cap of existing rolling bearing and inner ring in actual use, axis
Holding inner ring is metal material, and what upper-lower seal end cap was contacted with bearing inner race is rubber material, in actual use, up and down
End cover and bearing inner race friction, although there is the lubrication of oil film, upper-lower seal end cap still serious wear causes
Lower gap between end cover and bearing inner race becomes larger, and leads to the leakage of lubricating grease, further increases friction, and gap becomes
Greatly, extraneous dust mud also can enter bearing cavity along the gap, seriously affect the service life of rolling bearing.
Utility model content
In conclusion in order to overcome the shortcomings of that prior art problem, the utility model provide a kind of rolling bearing lubrication
Sealing structure, it is that protective ring is arranged on the excircle of the upper and lower ends of the bearing inner race of rolling bearing, in the outer of protective ring
Protective layer is set on wall, and protective layer is made of non-metallic materials such as high molecule plastic, nylon, and surface is smooth, rolling bearing
The inner ring of upper-lower seal end cap is contacted with protective layer, can effectively be reduced the friction of upper-lower seal end cap and bearing inner race, be subtracted
The abrasion of few upper-lower seal end cap, oil film promote lubrication, to effectively reduce friction, guarantee bearing service life.
In order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of rolling bearing lubrication sealing structure, in which: including bearing inner race, bearing outer ring, rolling element, upper sealed end
Lid, lower end cover and retainer, the bearing inner race, bearing outer ring, rolling element, retainer, upper end cover and under it is close
Sealing end lid forms rolling bearing structure, is provided with protective ring on the excircle of the upper and lower ends of the bearing inner race, described
It is provided with protective layer on the outer wall of protective ring, the protective layer and the connection of the outer wall of protective ring interference fit or Nian Jie are anti-
Sheath surface is smooth, and the excircle of the protective layer of the inner ring and bearing inner race upper end of the upper end cover, which is interference fitted, to be connected
It connects, the outer ring of upper end cover is fixedly connected with or clamps connection, the lower sealed end with the upper end of bearing outer ring
The excircle of the protective layer of the lower end of the inner ring and bearing inner race of lid is interference fitted connection, the outer ring of the lower end cover with
The lower end of bearing outer ring is fixedly connected with or clamps connection.
Further, the protective ring is tubular structure, and inner hole is fixedly connected with the excircle of bearing inner race or can
Dismantling connection is connected with protective layer on excircle.
Further, the protective layer is the polymer plastic bed of material, or is nylon layer, or is resin layer, shape and protection
The shape of ring is identical, the protective layer with a thickness of 2 ~ 5mm.
Further, annular groove is provided on the excircle of the protective layer, upper end cover is matched with protective layer interference
Close connection after, the inner ring of upper end cover is caught in annular groove, lower end cover and protective layer interference fit connection after, under it is close
The inner ring of sealing end lid is caught in annular groove.
Further, annular protrusion, upper end cover and bearing inner race upper end are provided on the excircle of the protective layer
Protective layer interference fit connection after, the inner ring of upper end cover is caught in the lower part of annular protrusion, in lower end cover and bearing
After enclosing the protective layer interference fit connection of lower end, the inner ring of lower end cover is caught in the top of annular groove.
Further, zigzag slot is provided on the excircle of the protective layer.
Further, the protective layer is pyramidal structure, and inner hole and protective ring outer wall interference fit connect or Nian Jie,
Its outer surface is taper, and the inner ring of the upper end cover and the inner ring of lower end cover are adjacent to the outer surface of protective layer.
Further, the protective ring is the cyclic structure that cross sectional shape is " Z " font, inner hole and bearing inner race it is outer
Circumference is fixedly connected or is detachably connected, and protective layer is connected on excircle.
Further, it is stepped cyclic structure that the protective ring, which is cross sectional shape, inner hole and bearing inner race it is outer
Circumference is fixedly connected or is detachably connected, and is provided with protective layer on stepped outer surface, the protective layer is also rank
Trapezoidal-structure.
The utility model has the following beneficial effects:
1, the utility model is that protective ring is arranged on the excircle of the upper and lower ends of the bearing inner race of rolling bearing, anti-
Protective layer is set on the outer wall of retaining ring, and protective layer is made of non-metallic materials such as high molecule plastic, nylon, and surface is smooth, rolling
The inner ring of the upper-lower seal end cap of dynamic bearing is contacted with protective layer, can effectively reduce upper-lower seal end cap and bearing inner race
Friction reduces the abrasion of upper-lower seal end cap, and oil film promotes lubrication, to effectively reduce friction, guarantees bearing service life.
2, the protective ring of the utility model is tubular structure, and inner hole is fixedly connected with the excircle of bearing inner race or can
Dismantling connection, can be used welding or bonding when to be fixedly connected, the connection sides such as interference fit can be used when to be detachably connected
Formula is detachably connected the dismounting and change maintenance that can be realized the protective layer on protective ring and its excircle.
3, annular groove is provided on the excircle of the protective layer of the utility model, upper end cover is matched with protective layer interference
Close connection after, the inner ring of upper end cover is caught in annular groove, lower end cover and protective layer interference fit connection after, under it is close
The inner ring of sealing end lid is caught in annular groove, then, annular groove forms ditch with the upper-lower seal end cap being caught in it and returns sealing knot
Structure can effectively improve sealing effect, prevent lubricant grease from revealing, and the impurity such as dust is avoided to enter bearing cavity, this is practical
Annular protrusion is set on the excircle of novel protective layer, and convex annular role is identical as the effect of annular groove, Neng Gouti
Rise sealing effect.
4, zigzag slot is provided on the excircle of the protective layer of the utility model, the setting of zigzag slot can be effective
Promoted upper-lower seal end cap inner ring and protective layer between sealing effect, while be also beneficial to oil film upper-lower seal end cap with
It is retained between protective layer, while guaranteeing sealing effect, promotes lubricant effect, reduce the abrasion of end cover, guarantee that bearing makes
Use the service life.
5, the utility model structure is simple, easy to use, cheap, can effectively reduce upper-lower seal end cap and axis
The frictional force between inner ring is held, the generation of frictional heat is reduced, the impurity such as dust is avoided to enter bearing cavity, guarantees that bearing uses
Service life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the utility model
Bearing inner race 1, bearing outer ring 2, rolling element 3, upper end cover 4, lower end cover 5, protective ring 6, protective layer 7.
Fig. 2 is second of structural schematic diagram of the utility model
Bearing inner race 1, bearing outer ring 2, rolling element 3, upper end cover 4, lower end cover 5, protective ring 6, protective layer 7.
Fig. 3 is the portion the A enlarged diagram in Fig. 2 of the utility model；
Bearing inner race 1, upper end cover 4, protective ring 6, protective layer 7, annular groove 8.
Fig. 4 is the third structural schematic diagram of the utility model；
Bearing inner race 1, bearing outer ring 2, rolling element 3, upper end cover 4, lower end cover 5, protective ring 6, protective layer 7.
Fig. 5 is the portion the B enlarged diagram in Fig. 4 of the utility model；
Bearing inner race 1, upper end cover 4, protective ring 6, annular protrusion 9, protective layer 7.
Fig. 6 is the 4th kind of structural schematic diagram of the utility model；
Bearing inner race 1, bearing outer ring 2, rolling element 3, upper end cover 4, lower end cover 5, protective ring 6, protective layer 7.
Fig. 7 is the portion the C enlarged diagram in Fig. 6 of the utility model；
Bearing inner race 1, upper end cover 4, protective ring 6, zigzag slot 10, protective layer 7.
Fig. 8 is the 5th kind of structural schematic diagram of the utility model；
Bearing inner race 1, bearing outer ring 2, rolling element 3, upper end cover 4, lower end cover 5, protective ring 6, protective layer 7.
Fig. 9 is the 6th kind of structural schematic diagram of the utility model；
Bearing inner race 1, bearing outer ring 2, rolling element 3, upper end cover 4, lower end cover 5, protective ring 6, protective layer 7.
Figure 10 is the portion the D enlarged diagram in Fig. 9 of the utility model；
Bearing inner race 1, upper end cover 4, protective ring 6, protective layer 7.
Figure 11 is the 7th kind of structural schematic diagram of the utility model；
Bearing inner race 1, bearing outer ring 2, rolling element 3, upper end cover 4, lower end cover 5, protective ring 6, protective layer 7.
Figure 12 is the portion the E enlarged diagram in Figure 11 of the utility model；
Bearing inner race 1, upper end cover 4, protective ring 6, protective layer 7.
Specific embodiment
The utility model will be further described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
As shown in Figure 1, a kind of rolling bearing lubrication sealing structure, including bearing inner race 1, bearing outer ring 2, rolling element 3, on
End cover 4, lower end cover 5 and retainer, the bearing inner race 1, bearing outer ring 2, rolling element 3, retainer, upper sealing
End cap 4 and lower end cover 5 form rolling bearing structure, are provided on the excircle of the upper and lower ends of the bearing inner race 1
Protective ring 6, protective layer 7 is provided on the outer wall of the protective ring 6, and protective ring 6 is tubular structure, inner hole and bearing inner race
1 excircle is fixedly connected or is detachably connected, and protective layer 7, the protective layer 7 and protective ring are connected on excircle
6 outer wall interference fit connection or bonding, protective layer 7 are the polymer plastic bed of material, the protective layer 7 with a thickness of 2mm, prevent
7 surface of sheath is smooth, the excircle interference fit of the protective layer 7 of the inner ring and 1 upper end of bearing inner race of the upper end cover 4
Connection, the outer ring of the upper end cover 4 is fixedly connected with or clamps connection with the upper end of bearing outer ring 2, close under described
The excircle for blocking the protective layer 7 of the inner ring of lid 5 and the lower end of bearing inner race 1, which is interference fitted, to be connected, the lower end cover 5
Outer ring be fixedly connected with or clamp connection with the lower end of bearing outer ring 2.
In use, making protective ring 6 first, the protective ring 6 of metal material is can be used in protective ring 6 in the present embodiment, then
Protective layer 7 is set on the excircle of protective ring 6, and protective layer 7 can be bonded on the excircle of protective ring 6, can also be with protection
The interference fit connection of ring 6.Then, the inner hole of protective ring 6 is fixedly connected with bearing inner race 1, is then pacified according to bearing installation steps
Retainer, rolling element 3, bearing outer ring 2 are filled, upper end cover 4 and lower end cover 5 are finally separately mounted to rolling bearing
Upper and lower ends, the inner ring of upper end cover 4 and the protective layer 7 on 1 top of bearing inner race are interference fitted and connect, lower end cover 5
Inner ring and the protective ring 6 of 1 lower part of bearing inner race, which are interference fitted, to be connected.
Protective layer 7 is the polymer plastic bed of material, and excircle is smooth, then the inner ring of upper-lower seal end cap 5 and protective layer 7 is outer
Circular contact, frictional force is small between the two, can effectively reduce the abrasion of upper-lower seal end cap 5.
Embodiment two
As shown in Figure 2 and Figure 3, repeat embodiment one, there is following difference: the protective layer 7 is nylon layer, thickness
For 5mm, be provided with annular groove 8 on the excircle of protective layer 7, upper end cover 4 with after the interference fit connection of protective layer 7, on
The inner ring of end cover 4 is caught in annular groove 8, after lower end cover 5 is connected with the interference fit of protective layer 7, lower end cover 5
Inner ring be caught in annular groove 8.Annular groove 8 forms ditch with the upper-lower seal end cap 5 being caught in it and returns sealing structure, can
It is effective to improve sealing effect, it prevents lubricant grease from revealing, the impurity such as dust is avoided to enter bearing cavity, nylon layer itself is opposite
Smooth, excircle is smooth, then cooperates with oil film, can effectively reduce frictional force, while lift-off seal effect.
Embodiment three
As shown in Figure 4, Figure 5, repeat embodiment one, there is following difference: the protective layer 7 is resin layer, thickness
For 3mm, it is provided with annular convex platform on the excircle of protective layer 7, annular convex platform is settable multiple, and multiple annular convex platform are along protective layer
7 short transverse arrangement, for upper end cover 4 with after the interference fit connection of protective layer 7, the inner ring of upper end cover 4 is caught in annular
The lower part of protrusion 9, lower end cover 5 with after the interference fit connection of protective layer 7 of 1 lower end of bearing inner race, lower end cover 5 it is interior
Circle is caught in the top of annular groove 8.The effect of annular convex platform in the present embodiment and the effect of the annular groove 8 in embodiment two
It is similar, after upper-lower seal end cap 5 is caught in the lower part of annular protrusion 9 of protective layer 7, it can effectively improve sealing effect.
Example IV
As shown in Figure 6, Figure 7, repeat embodiment one, there is following difference: the protective layer 7 is nylon layer, thickness
For 4mm, zigzag slot 10 is provided on the excircle of protective layer 7, the setting of zigzag slot 10 can effectively be promoted close up and down
The sealing effect between the inner ring and protective layer 7 of lid 5 is blocked, while being also beneficial to oil film in upper-lower seal end cap 5 and protective layer 7
Between retain, while guaranteeing sealing effect, promote lubricant effect, reduce the abrasion of end cover, guarantee bearing service life.
Embodiment five
As shown in figure 8, repeating embodiment one, there is following difference: in the present embodiment, protective ring 6 is tubular structure, outside
Protective layer 7 provided circumferentially about, the protective layer 7 be pyramidal structure, inner hole and 6 outer wall of protective ring interference fit connection or
The outer surface of bonding, protective layer 7 is taper, and the inner ring of the upper end cover 4 and the inner ring of lower end cover 5 are adjacent to protection
Layer 7 outer surface, protective layer 7 be the polymer plastic bed of material, smooth outer surface, during installation, the protection of rolling bearing upper and lower ends
Lesser one end of its diameter of layer 7 is towards in bearing.Then, after upper and lower end cover 5 is installed, one end that protective layer 7 is relatively large in diameter
Meeting forms extruding force to the inner ring of upper and lower end cover 5, realizes the fixation of the inner ring of upper and lower end cover 5.
Embodiment six
As shown in Figure 9, Figure 10, repeat embodiment one, there is following difference: in the present embodiment, the protective ring 6 is to cut
Face shape is the cyclic structure of " Z " font, and inner hole is fixedly connected or is detachably connected with the excircle of bearing inner race 1,
Protective layer 7 is connected on excircle.After the protective ring 6 of " Z " font structure and the connection of bearing inner race 1, contact area is small, can
The effective frictional heat that reduces passes to bearing inner race 1, reduces influence of the temperature to bearing life, guarantees bearing service life.
Embodiment seven
As shown in Figure 11, Figure 12, embodiment one is repeated, have following difference: in the present embodiment, the protective ring 6 is
Cross sectional shape is stepped cyclic structure, and inner hole is fixedly connected or is detachably connected with the excircle of bearing inner race 1,
Protective layer 7 is provided on stepped outer surface, the protective layer 7 is also forge piece of step type structure.Protective ring 6 in the present embodiment
Cross sectional shape is step type, then its inner hole and outer surface are step type, after protective ring 6 is connect with bearing inner race 1, step type knot
Only one step of structure is contacted with bearing inner race 1, and contact area is small, can effectively be reduced frictional heat and be passed to bearing inner race
1, influence of the temperature to bearing life is reduced, guarantees bearing service life.
In specific production card slot can also will be arranged on the excircle of bearing inner race 1, in protective ring 6 in the utility model
Inner hole in setting and the mutually matched protrusion of card slot, when installation, after protective ring 6 is sleeved on bearing inner race 1, in protective ring 6
Protrusion be installed in the card slot on bearing inner race 1, realize protective ring 6 and bearing inner race 1 connection.
It is noted that embodiment described above is the affiliated skill to the illustrative and not limiting of technical solutions of the utility model
The equivalent replacement of art field those of ordinary skill or the other modifications made according to the prior art, as long as practical not new beyond this
The thinking and range of type technical solution, should be included within interest field required by the utility model.
Claims (9)
1. a kind of rolling bearing lubrication sealing structure, it is characterised in that: including bearing inner race, bearing outer ring, rolling element, upper sealing
End cap, lower end cover and retainer, the bearing inner race, bearing outer ring, rolling element, retainer, upper end cover and under
End cover forms rolling bearing structure, is provided with protective ring on the excircle of the upper and lower ends of the bearing inner race, described
Protective ring outer wall on be provided with protective layer, the protective layer and the connection of the outer wall of protective ring interference fit or Nian Jie,
Protect layer surface smooth, the excircle of the protective layer of the inner ring and bearing inner race upper end of the upper end cover, which is interference fitted, to be connected
It connects, the outer ring of upper end cover is fixedly connected with or clamps connection, the lower sealed end with the upper end of bearing outer ring
The excircle of the protective layer of the lower end of the inner ring and bearing inner race of lid is interference fitted connection, the outer ring of the lower end cover with
The lower end of bearing outer ring is fixedly connected with or clamps connection.
2. rolling bearing lubrication sealing structure according to claim 1, it is characterised in that: the protective ring is tubulose knot
Structure, inner hole are fixedly connected or are detachably connected with the excircle of bearing inner race, and protective layer is connected on excircle.
3. rolling bearing lubrication sealing structure according to claim 1, it is characterised in that: the protective layer is macromolecule
Plastic layer, or be nylon layer, or be resin layer, shape is identical as the shape of protective ring, the protective layer with a thickness of 2 ~
5mm。
4. rolling bearing lubrication sealing structure according to claim 3, it is characterised in that: the excircle of the protective layer
On be provided with annular groove, after upper end cover and protective layer interference fit connection, it is recessed that the inner ring of upper end cover is caught in annular
In slot, after lower end cover and protective layer interference fit connection, the inner ring of lower end cover is caught in annular groove.
5. rolling bearing lubrication sealing structure according to claim 3, it is characterised in that: the excircle of the protective layer
On be provided with annular protrusion, after the protective layer interference fit connection of upper end cover and bearing inner race upper end, upper end cover
Inner ring is caught in the lower part of annular protrusion, after the protective layer interference fit connection of lower end cover and bearing inner race lower end, lower sealing
The inner ring of end cap is caught in the top of annular groove.
6. rolling bearing lubrication sealing structure according to claim 3, it is characterised in that: the excircle of the protective layer
On be provided with zigzag slot.
7. rolling bearing lubrication sealing structure according to claim 3, it is characterised in that: the protective layer is taper knot
Structure, inner hole and protective ring outer wall are interference fitted connection or Nian Jie, and outer surface is taper, the upper end cover it is interior
The inner ring of circle and lower end cover is adjacent to the outer surface of protective layer.
8. rolling bearing lubrication sealing structure according to claim 3, it is characterised in that: the protective ring is section shape
Shape is the cyclic structure of " Z " font, and inner hole is fixedly connected or is detachably connected with the excircle of bearing inner race, excircle
On be connected with protective layer.
9. rolling bearing lubrication sealing structure according to claim 3, it is characterised in that: the protective ring is section shape
Shape is stepped cyclic structure, and inner hole is fixedly connected or is detachably connected with the excircle of bearing inner race, stepped
Outer surface on be provided with protective layer, the protective layer is also forge piece of step type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263505.7U CN208793451U (en) | 2018-08-07 | 2018-08-07 | Rolling bearing lubrication sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821263505.7U CN208793451U (en) | 2018-08-07 | 2018-08-07 | Rolling bearing lubrication sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208793451U true CN208793451U (en) | 2019-04-26 |
Family
ID=66204719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821263505.7U Expired - Fee Related CN208793451U (en) | 2018-08-07 | 2018-08-07 | Rolling bearing lubrication sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208793451U (en) |
-
2018
- 2018-08-07 CN CN201821263505.7U patent/CN208793451U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220707 Address after: 453000 No. 041, building A03, 863 Industrial Park, No. 166, Xindong Avenue, Hongqi District, Xinxiang City, Henan Province (east of 107) Patentee after: Henan Ningye Precision Machinery Technology Co.,Ltd. Address before: 453000 Meng Zhuang Zhen Gao Cun, Huixian City, Xinxiang City, Henan Province Patentee before: HUIXIAN COUNTY RUITAI AUTO PARTS Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 |