CN108591481A - Bearing sealing cover and bearing seal structure - Google Patents
Bearing sealing cover and bearing seal structure Download PDFInfo
- Publication number
- CN108591481A CN108591481A CN201810752044.8A CN201810752044A CN108591481A CN 108591481 A CN108591481 A CN 108591481A CN 201810752044 A CN201810752044 A CN 201810752044A CN 108591481 A CN108591481 A CN 108591481A
- Authority
- CN
- China
- Prior art keywords
- bearing
- sealing cover
- snap ring
- seal closure
- clamping portion
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
- F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
-
- 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
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
-
- 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
- F16C33/74—Sealings of sliding-contact 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
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/04—Connecting-rod bearings; Attachments thereof
-
- 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
- F16C2326/00—Articles relating to transporting
- F16C2326/20—Land vehicles
- F16C2326/24—Steering systems, e.g. steering rods or columns
Abstract
The present invention provides a kind of bearing sealing cover and bearing seal structures, are related to Automotive Steering Technology field.A kind of bearing sealing cover, including snap ring, seal closure and retaining ring.Snap ring includes ring body and connector, and the head and the tail both ends of ring body are detachably connected by connector.One end of seal closure is tightly connected with snap ring, and retaining ring is tightly connected with the one end of seal closure far from snap ring.The structure ensures that snap ring does not occur elastic opening, it is ensured that bearing sealing cover is not fallen off, and then ensures leakproofness.It is simple in construction, easy to disassemble and assemble.
Description
Technical field
The present invention relates to Automotive Steering Technology fields, in particular to a kind of bearing sealing cover and bearing seal structure.
Background technology
Bearing is part common in mechanical equipment, in order to keep the good working state of bearing, it will usually in bearing
Insert the lubricant of grease etc..Either dirt enters the lubrication in bearing or in bearing to dust outside if there is bearing
Agent leaks into outside bearing, and the lubricating status in bearing can be made to be destroyed, and causes the operation of bearing bad, and shortens making for bearing
Use the service life.For this purpose, seal closure would generally be arranged in the structure of bearing.By the way that seal closure is arranged, the ash outside bearing can be prevented
Dirt or dirt enter in bearing, and prevent outside the lubricant leakage to bearing in bearing.
Existing seal closure when bulb bearing hunting frequency is high, occur axial exciting force it is larger when, snap ring elasticity open
Seal closure is set to take off vertically, seal closure loses sealing function.
Invention content
It is simple in structure the purpose of the present invention is to provide a kind of bearing sealing cover, it is completely embedded with bearing so that seal closure
It is not easily to fall off and convenient for disassembly and assembly.
Simple in structure another object of the present invention is to provide a kind of bearing seal structure, seal closure is not easily to fall off, dismounting
It is convenient, good airproof performance.
What the embodiment of the present invention was realized in：
A kind of bearing sealing cover, including
The head and the tail both ends of snap ring, including ring body and connector, ring body are detachably connected by connector；
Seal closure, one end and the snap ring of seal closure are tightly connected；
Retaining ring, retaining ring are tightly connected with the one end of seal closure far from snap ring.
Further, in preferred embodiments of the present invention, the head and the tail both ends of ring body are outward extended with protrusion, convex
Portion is equipped with through-hole, and connector passes through head and the tail both ends of the through-hole for connecting ring body.
Further, in preferred embodiments of the present invention, connector is bolt or split pin.
Further, in preferred embodiments of the present invention, seal closure includes first end and second end, and first end is equipped with the
One clamping portion, the outer diameter of the first clamping portion are equipped with the first groove to match with snap ring.
Further, in preferred embodiments of the present invention, second end is equipped with the second clamping portion, the outer diameter of the second clamping portion
Equipped with the second groove to match with retaining ring.
Further, in preferred embodiments of the present invention, the diameter of first end is less than the diameter of second end, retaining ring
Diameter is more than the diameter of snap ring.
Further, in preferred embodiments of the present invention, the length of seal closure be more than between retaining ring and snap ring away from
From.
A kind of bearing sealing cover, including extension bar, bulb bearing and above-mentioned bearing sealing cover.The end of extension bar is equipped with and bulb
The matched groove of bearing, the bulb of bulb bearing are set in groove, the both ends of bearing sealing cover respectively with extension bar, bulb bearing
It is detachably connected.
Further, in preferred embodiments of the present invention, the both ends of seal closure are respectively equipped with the first clamping portion and second
The outer surface of clamping portion, the ball cup of bulb bearing is equipped with and the matched first annular slot in the first clamping portion, the first clamping portion card
It is connected in first annular slot.
Further, in preferred embodiments of the present invention, extension bar is equipped with and the second clamping close to the end of bulb bearing
Matched second annular groove in portion, the second clamping portion is connected in the second annular groove.
The advantageous effect of the embodiment of the present invention：
The present invention provides a kind of bearing sealing cover, including snap ring, seal closure and retaining ring.Snap ring includes ring body and company
The head and the tail both ends of fitting, ring body are detachably connected by connector.One end of seal closure is tightly connected with snap ring, retaining ring
It is tightly connected with the one end of seal closure far from snap ring.The structure ensures that snap ring does not occur elastic opening, it is ensured that bearing sealing cover is not
It falls off, and then ensures leakproofness.It is simple in construction, easy to disassemble and assemble.
Further, seal closure includes first end and second end, and first end is equipped with the first clamping portion, the first clamping portion it is outer
Diameter is equipped with the first groove to match with snap ring.Snap ring is connected in the first groove, which is further ensured that the stability of snap ring,
Avoid falling for snap ring.The length of seal closure is more than the distance between retaining ring and snap ring.The swing of seal closure is avoided to influence card
The connection of ring and seal closure.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the bearing sealing cover that the embodiment of the present invention 1 provides；
Fig. 2 is the structural schematic diagram for the seal closure that the embodiment of the present invention 1 provides；
Fig. 3 is the structural schematic diagram for the snap ring that the embodiment of the present invention 1 provides；
Fig. 4 is another structural schematic diagram for the snap ring that the embodiment of the present invention 1 provides；
Fig. 5 is the structural schematic diagram for the retaining ring that the embodiment of the present invention 1 provides；
Fig. 6 is another structural schematic diagram for the retaining ring that the embodiment of the present invention 1 provides；
Fig. 7 is the structural schematic diagram for the bearing seal structure that the embodiment of the present invention 2 provides.
Icon：100- bearing sealing covers；110- snap rings；The first annular ontologies of 111-；The first connectors of 113-；115- first
Protrusion；117- first through hole；120- seal closures；The first clamping portions 121-；The first grooves of 123-；The second clamping portions 125-；127-
Second groove；130- retaining rings；The second ring bodies of 131-；The second connectors of 133-；The second protrusions 135-；137- second is logical
Hole；200- bearing seal structures；210- extension bars；211- grooves；The second annular grooves of 213-；220- bulb bearings；221- bulbs；
223- ball cups；The first annular slots of 225-.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the present invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore not
It can be interpreted as limitation of the present invention.
In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply
Relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, can also be electrical connection；It can be directly connected, it can also be indirect by intermediary
It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or "lower"
It may include that the first and second features are in direct contact, can also not be to be in direct contact but pass through it including the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " include first special
Sign is right over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the present invention.In the present invention, in not contradiction or punching
In the case of prominent, all embodiments, embodiment and feature of the invention can be combined with each other.In the present invention, conventional
Unit, component etc., both can be commercially available, can also make by oneself according to the present disclosure.In the present invention, in order to prominent
The emphasis for going out the present invention to the omission that some conventional operations and unit, component carry out, or is only briefly described.
Embodiment 1
Referring to Fig.1 and 2, the present embodiment provides a kind of bearing sealing cover 100, including snap ring 110,120 and of seal closure
Retaining ring 130.The both ends of snap ring 110 and retaining ring 130 respectively with seal closure 120 are detachably connected.
Fig. 3 and Fig. 4 are please referred to, snap ring 110 includes first annular ontology 111 and the first connector 113, first annular ontology
111 head and the tail both ends are detachably connected by the first connector 113.Specifically, the head and the tail both ends of first annular ontology 111 to
Outer to be extended with the first protrusion 115, the first protrusion 115 is equipped with first through hole 117, and the first connector 113 is used across first through hole 117
In the head and the tail both ends for connecting first annular ontology 111.The structure compares existing single circular ring structure, avoids snap ring 110 and exists
Bulb bearing 220 hunting frequency is high, occur axial exciting force it is larger when, 110 elasticity of snap ring, which is opened, makes seal closure 120 vertically
It is de-, cause bearing sealing cover 100 to lose sealing function.
In the present embodiment, the first connector 113 is bolt or split pin.When the first connector 113 is bolt, through-hole
Inner surface is equipped with the screw thread to match with bolt, can be by needing to select tightness.When the first connector 113 is split pin
When, an end structure of split pin can not pass through first through hole 117, split pin that can be connected to first through hole 117, avoid opening
Pin is fallen.As a kind of realization method, one end of split pin is v-shaped structure, i.e., can not pass through first through hole 117.The structure
Ensure that snap ring 110 does not occur elastic opening, it is ensured that bearing sealing cover 100 is not fallen off, and then ensures leakproofness.It is simple in structure, it tears open
Dress is convenient.
Fig. 5 and Fig. 6 are please referred to, retaining ring 130 includes the second ring body 131 and the second connector 133, and the second annular is originally
The both ends of body 131 extend outward the second protrusion 135, and the second protrusion 135 is equipped with the second through-hole 137, and the second connector 133 passes through
Second through-hole 137 is used to connect the head and the tail both ends of the second ring body 131.Second ring body 131 and first annular ontology 111
The difference is that first annular ontology 111 is a coil structures, the second ring body 131 is two coil structures, i.e., the second annular
The number of turns that ontology 131 is wound is more than first annular ontology 111, and thickness is bigger than first annular ontology 111.
In the present embodiment, the second connector 133 is split pin, in other embodiments of the invention, the second connector
133 can be other accessories with the same function, and the present invention does not limit it.
Seal closure 120 includes first end and second end, and first end is equipped with the first clamping portion 121, the first clamping portion 121 it is outer
Diameter is equipped with the first groove 123 to match with snap ring 110.Second end is equipped with the second clamping portion 125, the second clamping portion 125 it is outer
Diameter is equipped with the second groove 127 to match with retaining ring 130.In use, snap ring 110 is connected in the first groove 123, retaining ring
130 are connected in the second groove 127.
In the present embodiment, the diameter of first end is less than the diameter of second end, and the diameter of retaining ring 130 is more than snap ring 110
Diameter.Since the thickness of retaining ring 130 is more than the thickness of snap ring 110, the well width of the second groove 127 is recessed more than first
The well width of slot 123.
During swing, seal closure 120 can be followed and be swung together bulb bearing 220, in order to avoid seal closure 120
Swinging influences snap ring 110 and retaining ring 130, and the length of seal closure 120 is more than the distance between retaining ring 130 and snap ring 110.This
In embodiment, the cover body of seal closure 120 is fold morphology in reset condition.
In the present embodiment, snap ring 110, retaining ring 130, the general material that the material of seal closure 120 is the art, this
Invention does not limit it.
Embodiment 2
Fig. 7 is please referred to, the present embodiment provides a kind of bearing seal structures 200 based on bearing sealing cover 100, including extension bar
210, bulb bearing 220 and bearing sealing cover 100.The end of extension bar 210 is equipped with and 220 matched groove 211 of bulb bearing, ball
Head bearing 220 includes bulb 221 and ball cup 223, and the major part of bulb 221 is set in groove 211, is set to groove 211
Outer part is connect with ball cup 223.The both ends of seal closure 120 are detachably connected with extension bar 210, bulb bearing 220 respectively.
Ball cup 223 is equipped with and 121 matched first annular slot of the first clamping portion close to the outer surface of one end of bulb 221
225, the first clamping portion 121 is connected in first annular slot 225.Seal closure 120 and bulb bearing 220 are made by snap ring 110 again
Connection.
Extension bar 210 close to the end of bulb bearing 220 be equipped with 125 matched second annular groove 213 of the second clamping portion, the
Two clamping portions 125 are connected in the second annular groove 213.Seal closure 120 and extension bar 210 are connected by retaining ring 130 again so that ball
First 221 are in sealed environment.
It is indicated to simplify, non-mentioned position in the present embodiment please refers to corresponding contents in embodiment 1.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bearing sealing cover, which is characterized in that including
The head and the tail both ends of snap ring, including ring body and connector, the ring body are detachably connected by the connector；
Seal closure, one end of the seal closure are detachably connected with the snap ring；
Retaining ring, the retaining ring are detachably connected with the one end of the seal closure far from the snap ring.
2. bearing sealing cover according to claim 1, which is characterized in that the head and the tail both ends of the ring body are to extension
Stretching has protrusion, and the protrusion is equipped with through-hole, and the connector passes through head and the tail two of the through-hole for connecting the ring body
End.
3. bearing sealing cover according to claim 1, which is characterized in that the connector is bolt or split pin.
4. bearing sealing cover according to claim 1, which is characterized in that the seal closure includes first end and second end,
The first end is equipped with the first clamping portion, and the outer diameter of first clamping portion is equipped with the first groove to match with the snap ring.
5. bearing sealing cover according to claim 4, which is characterized in that the second end is equipped with the second clamping portion, described
The outer diameter of second clamping portion is equipped with the second groove to match with the retaining ring.
6. bearing sealing cover according to claim 4, which is characterized in that the diameter of the first end is less than the second end
Diameter, the diameter of the retaining ring is more than the diameter of the snap ring.
7. bearing sealing cover according to claim 1, which is characterized in that the length of the seal closure is more than the retaining ring
The distance between described snap ring.
8. a kind of bearing seal structure, which is characterized in that including extension bar, bulb bearing and as described in any one of claim 1 to 7
Bearing sealing cover, the end of the extension bar is equipped with to be set with the matched groove of bulb bearing, the bulb of the bulb bearing
It is placed in the groove, the both ends of the bearing sealing cover are detachably connected with the extension bar, the bulb bearing respectively.
9. bearing seal structure according to claim 8, which is characterized in that the both ends of the seal closure are respectively equipped with first
The outer surface of clamping portion and the second clamping portion, the ball cup of the bulb bearing is equipped with and first clamping portion matched first
Annular groove, first clamping portion are connected in the first annular slot.
10. bearing seal structure according to claim 9, which is characterized in that the extension bar is close to the bulb bearing
End be equipped with matched second annular groove in second clamping portion, second clamping portion is connected in second annular groove
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752044.8A CN108591481A (en) | 2018-07-10 | 2018-07-10 | Bearing sealing cover and bearing seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810752044.8A CN108591481A (en) | 2018-07-10 | 2018-07-10 | Bearing sealing cover and bearing seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108591481A true CN108591481A (en) | 2018-09-28 |
Family
ID=63618130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810752044.8A Pending CN108591481A (en) | 2018-07-10 | 2018-07-10 | Bearing sealing cover and bearing seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108591481A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202326684U (en) * | 2011-11-08 | 2012-07-11 | 玉环津力汽车配件有限公司 | Automobile ball head |
| JP2013002604A (en) * | 2011-06-21 | 2013-01-07 | Musashi Seimitsu Ind Co Ltd | Ball joint |
| CN204082882U (en) * | 2014-05-14 | 2015-01-07 | 广州汽车集团股份有限公司 | A kind of swing arm ball pin assembly |
| CN205424218U (en) * | 2016-03-28 | 2016-08-03 | 唐山钢铁集团有限责任公司 | Oil film bearing quick change coupler |
| WO2017154672A1 (en) * | 2016-03-10 | 2017-09-14 | Nok株式会社 | Dust cover and sealing structure |
| CN206754134U (en) * | 2017-05-23 | 2017-12-15 | 福建龙溪轴承(集团)股份有限公司 | A kind of offroad vehicle oscillating bearing |
| CN208397313U (en) * | 2018-07-10 | 2019-01-18 | 福建龙溪轴承(集团)股份有限公司 | Bearing sealing cover and bearing seal structure |
-
2018
- 2018-07-10 CN CN201810752044.8A patent/CN108591481A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013002604A (en) * | 2011-06-21 | 2013-01-07 | Musashi Seimitsu Ind Co Ltd | Ball joint |
| CN202326684U (en) * | 2011-11-08 | 2012-07-11 | 玉环津力汽车配件有限公司 | Automobile ball head |
| CN204082882U (en) * | 2014-05-14 | 2015-01-07 | 广州汽车集团股份有限公司 | A kind of swing arm ball pin assembly |
| WO2017154672A1 (en) * | 2016-03-10 | 2017-09-14 | Nok株式会社 | Dust cover and sealing structure |
| CN205424218U (en) * | 2016-03-28 | 2016-08-03 | 唐山钢铁集团有限责任公司 | Oil film bearing quick change coupler |
| CN206754134U (en) * | 2017-05-23 | 2017-12-15 | 福建龙溪轴承(集团)股份有限公司 | A kind of offroad vehicle oscillating bearing |
| CN208397313U (en) * | 2018-07-10 | 2019-01-18 | 福建龙溪轴承(集团)股份有限公司 | Bearing sealing cover and bearing seal structure |
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