CN203670496U - Bearing - Google Patents
Bearing Download PDFInfo
- Publication number
- CN203670496U CN203670496U CN201420033571.0U CN201420033571U CN203670496U CN 203670496 U CN203670496 U CN 203670496U CN 201420033571 U CN201420033571 U CN 201420033571U CN 203670496 U CN203670496 U CN 203670496U
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- China
- Prior art keywords
- ring
- annular
- seal
- bearing
- inner ring
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- 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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Abstract
The utility model discloses a bearing, which is characterized in that a first annular seal ring is fixedly connected with an outer race; the outer race is provided with a first annular clamp groove relating to a first surface with a first raceway; the outer circumferential surface of the first annular seal ring is provided with a first annular bump; the inner circumferential surface of the first annular seal ring is provided with a first annular seal lip and a second annular seal lip; the first and the second seal lips are both in line contact with an inner race; the circumferential surface, relating to a second raceway, of the inner race is provided with an annular guide plate; the guide plate comprises a connecting part and a guide part; the guide part comprises a connecting end and a free end; the other side face, relating to rolling elements, of the first annular seal ring forms a mounting surface; the mounting surface is provided with a concave part; the free end is inserted into the concave part and in clearance fit with the same; the mounting surface is provided with a third seal lip; a third grease holding cavity is formed among the third seal lip, the mounting surface and the guide part. The bearing has the advantages of good sealing, and being capable of effectively preventing lubricating grease from being thrown out, reducing friction, improving lubricating effect and prolonging service life.
Description
Technical field
The utility model relates to a kind of mechanical field, and more particularly, it relates to a kind of bearing.
Background technique
Bearing is in mechanical transmission course, to work the parts of fixing and reducing load friction factor.Also can say, in the time that other parts produce relative movement each other on axle, be used for reducing the fixing parts of friction factor and retainer shaft central position in power transmission process.Bearing is a kind of very important component in contemporary machinery.Its major function is supported mechanical solid of rotation, the mechanical load friction factor in order to reduction equipment in transmission process.Press the difference of motor element frictional property, bearing can be divided into rolling bearing and sliding bearing two classes.
Bearing generally comprises inner ring and outer ring, between inner ring and outer ring, rolling element is set, and the both sides between outer ring and inner ring are respectively equipped with seal ring.Bearing when operation inner ring and outer ring between can, by the relative High Rotation Speed of rolling element, if fall into foreign material between inner ring and outer ring, can cause serious wearing and tearing to bearing, affected the working life of bearing; The side seal performance of existing bearing outer ring and inner ring is not good, easily enter foreign material, and thereby rolling element can throw away lubricating grease and reduce lubrication effect in the process of High Rotation Speed, this will increase friction between rolling element and inside and outside circle and had a strong impact on the working life of bearing.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of bearing, and this bearing has advantages of that sealing is strong, can effectively prevent that lubricating grease from throwing away, reducing friction and improving lubrication effect, extend bearing working life.
For achieving the above object, the utility model provides following technological scheme: a kind of bearing, comprise outer ring, inner ring and in, rolling element is set between outer ring, on described outer ring and inner ring, be respectively equipped with the first raceway and second raceway that can roll for rolling element, between described outer ring and inner ring, be provided with the first O-ring seal, described the first O-ring seal is fixedly connected with outer ring, the side that described outer ring is provided with the first raceway relatively forms inwall, described inwall is provided with the first annular slot, described the first annular seal ring with outer side face is provided with the first annular lug with the first annular slot clamping, described the first O-ring seal inner peripheral surface is provided with the first annular seal lip, the second annular seal lip, described first, second ring sealing lip all contacts with blue band outer edge line, the circumferential surface of relative the second raceway of described inner ring is provided with annular guide plate, described guide plate comprises the joint being fixedly connected with inner ring, with the guide portion that is integrally connected setting and bends to rolling element, described guide portion comprises connecting end and free end, the another side of the relative rolling element of described the first O-ring seal forms attachment face, described attachment face is provided with depressed part, described free end embeds depressed part and is Spielpassung, described attachment face is provided with the 3rd sealing lip being tightly connected with guide portion middle part, described the 3rd sealing lip, attachment face, between guide portion, form the 3rd and hold fat chamber.
By adopting technique scheme, first and second sealing lip improves sealing effect when all can effectively reducing friction with the design of blue band outer edge line contact structures, guide plate is set on inner ring, guide plate comprises joint and guide portion, depressed part is set on attachment face, free end embeds in depressed part and is Spielpassung, such design can improve sealing effect in reducing friction, guide portion design can effectively prevent that bearing from throwing away lubricating grease in the time of High Rotation Speed, the micro lubricating fat that the 3rd sealing lip is connected with guide portion conflict and the 3rd design of holding fat chamber can make bearing throw away in the time of High Rotation Speed is stored, then in the gap between depressed part and free end, again flow in bearing, reduce friction and improve lubrication effect, extend bearing working life.
The utility model is further set to: between described guide plate and attachment face, form the second appearance fat chamber, form the first appearance fat chamber between described first and second sealing lip.
By adopting technique scheme, the first design of holding fat chamber can make the micro lubricating fat throwing away from the first sealing lip carry out one-level storage, second holds arranging of fat chamber can make to leak out micro lubricating fat from the second sealing lip and carry out secondary storage, and then more a step effectively prevents that lubricating grease from throwing away, reducing friction and improving lubrication effect, extend bearing working life.
The utility model is further set to: the 3rd described sealing lip and joint, guide portion middle part form labyrinth seal structure.
By adopting technique scheme, the design of labyrinth seal structure can make effectively to prevent that lubricating grease from holding fat chamber and flowing out from the 3rd, make can only to flow back in bearing in the gap from free end and depressed part at the 3rd lubricating grease holding in fat chamber, and then can improve lubrication effect, prolongation bearing working life.
The utility model is further set to: in the first described O-ring seal, be embedded L shaped metal frame, described metal frame is near rolling element one side setting.
By adopting technique scheme, L shaped metal frame plays a supportive role, thereby can prevent that the first annular sealed ring deformation from improving sealing effect, effectively prevents that lubricating grease from throwing away, and improves lubrication effect thereby reduce friction, extends the working life of bearing.
The utility model is further set to: the end face that first and second described sealing lip contacts with blue band outer edge line all arranges rounding structure.
By adopting technique scheme, the design of rounding structure can improve the stability that first and second sealing lip contacts with blue band outer edge line, improves sealing effect.
The utility model is further set to: the arc structure towards attachment face is arranged in a side of the described corresponding attachment face of the 3rd sealing lip.
By adopting technique scheme, the design of this structure can be held lubricating grease in fat chamber by the 3rd and lubricating grease be guided in the gap in free end and depressed part by arc structure when the bearing High Rotation Speed, then flow back in the second appearance fat chamber, thereby can effectively prevent that lubricating grease from throwing away improves lubrication effect, extends bearing working life.
The utility model is further set to: between described outer ring and inner ring, be provided with the second O-ring seal, described the first O-ring seal is between the second O-ring seal and rolling element, described the second O-ring seal is fixedly connected with inner ring, the side that described inner ring is provided with the second raceway relatively forms outer wall, described outer wall is provided with the second annular slot, described the second O-ring seal outer peripheral surface is provided with the second annular lug with the second annular slot clamping, and described the second O-ring seal inner peripheral surface contacts with External Cordon Line.
By adopting technique scheme, the design of the second O-ring seal can further improve sealing, effectively prevents that impurity from entering bearing inside, effectively preventing that lubricating grease from throwing away, and improves lubrication effect thereby reduce friction, extends the working life of bearing.
The utility model is further set to: described outer ring, the both sides of inner ring are all connected with first and second O-ring seal.
By adopting technique scheme, further effectively prevent that impurity from entering bearing inside, effectively preventing that lubricating grease from throwing away, improve lubrication effect thereby reduce friction, extend the working life of bearing.
The utility model is further set to: described guide plate and inner ring are wholely set.
By adopting technique scheme, guide plate is wholely set and can improves the stability being connected between the two with inner ring, improves sealing and prevents that lubricating grease from leaking from the second appearance fat chamber, the lubrication effect of raising bearing, prolongation bearing working life.
Accompanying drawing explanation
Fig. 1 is the utility model bearing embodiment's structural representation;
Fig. 2 is A portion enlarged view in Fig. 1.
Reference character: 1, outer ring; 11, the first annular slot; 2, inner ring; 21, guide plate; 211, joint; 212, guide portion; 2121, connecting end; 2122, free end; 22, the second annular slot; 3, rolling element; 4, the first O-ring seal; 41, the first annular lug; 42, the first annular seal lip; 43, the second annular seal lip; 44, depressed part; 45, the 3rd sealing lip; 5, the 3rd holds fat chamber; 6, first holds fat chamber; 7, second holds fat chamber; 8, labyrinth seal structure; 9, metal frame; 10, the second O-ring seal; 101, the second annular lug.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model bearing embodiment is described further.
A kind of bearing, comprise outer ring 1, inner ring 2 and in, outer ring 1, rolling element 3 is set between 2, on described outer ring 1 and inner ring 2, be respectively equipped with the first raceway and second raceway that can roll for rolling element 3, between described outer ring 1 and inner ring 2, be provided with the first O-ring seal 4, described the first O-ring seal 4 is fixedly connected with outer ring 1, the side that described outer ring 1 is provided with the first raceway relatively forms inwall, described inwall is provided with the first annular slot 11, described the first O-ring seal 4 outer peripheral surfaces are provided with the first annular lug 41 with the first annular slot 11 clampings, described the first O-ring seal 4 inner peripheral surfaces are provided with the first annular seal lip 42, the second annular seal lip 43, described first, second ring sealing lip 42, 43 all contact with inner ring 2 lines, the circumferential surface of relative the second raceway of described inner ring 2 is provided with annular guide plate 21, described guide plate 21 comprises the joint 211 being fixedly connected with inner ring 2, with the guide portion 212 that is integrally connected setting and bends to rolling element 3, described guide portion 212 comprises connecting end 2121 and free end 2122, the another side of described the first O-ring seal 4 relative rolling elements 3 forms attachment face, described attachment face is provided with depressed part 44, described free end 2122 embeds depressed part 44 and is Spielpassung, described attachment face is provided with the 3rd sealing lip 45 being tightly connected with guide portion 212 middle parts, described the 3rd sealing lip 45, attachment face, between guide portion 212, form the 3rd and hold fat chamber 5.
By adopting technique scheme, first and second sealing lip 42,43 improves sealing effect when all can effectively reducing friction with the design of inner ring 2 line contact structures, guide plate 21 is set on inner ring 2, guide plate 21 comprises joint 211 and guide portion 212, depressed part 44 is set on attachment face, free end 2122 embeds in depressed part 44 and is Spielpassung, such design can improve sealing effect in reducing friction, guide portion 212 designs can effectively prevent that bearing from throwing away lubricating grease in the time of High Rotation Speed, the micro lubricating fat that the 3rd sealing lip 45 is connected with guide portion 212 conflicts and the 3rd design of holding fat chamber 5 can make bearing throw away in the time of High Rotation Speed is stored, then in the gap between depressed part 44 and free end 2122, again flow in bearing, reduce friction and improve lubrication effect, extend bearing working life.
Between described guide plate 21 and attachment face, form the second appearance fat chamber 7, between described first and second sealing lip 42,43, form the first appearance fat chamber 6.
By adopting technique scheme, the first design of holding fat chamber 6 can make the micro lubricating fat throwing away from the first sealing lip 42 carry out one-level storage, second holds arranging of fat chamber 7 can make to leak out micro lubricating fat from the second sealing lip 43 and carry out secondary storage, and then more a step effectively prevents that lubricating grease from throwing away, reducing friction and improving lubrication effect, extend bearing working life.
The 3rd described sealing lip 45 forms labyrinth seal structure 8 with guide portion 212 joints, middle part.(it should be noted that, the labyrinth seal structure 8 referring to here refers to the labyrinth seal structure 8 that can relatively move between the 3rd sealing lip 45 and guide portion 212 herein).
By adopting technique scheme, the design of labyrinth seal structure 8 can make effectively to prevent that lubricating grease from holding fat chamber 5 and flowing out from the 3rd in not increasing between the 3rd sealing lip 45 and guide portion 212 friction, make can only flow back in bearing from free end 2122 and the gap depressed part 44 at the 3rd lubricating grease holding in fat chamber 5, and then can improve lubrication effect, extend bearing working life.
In the first described O-ring seal 4, be embedded L shaped metal frame 9, described metal frame 9 is near rolling element 3 one side settings.
By adopting technique scheme, L shaped metal frame 9 plays a supportive role, thereby can prevent that the first O-ring seal 4 is out of shape improves sealing effect, effectively prevents that lubricating grease from throwing away, and improves lubrication effect thereby reduce friction, extends working life of bearing.
First and second described sealing lip 42,43 all arranges rounding structure with the end face that inner ring 2 lines contact.
By adopting technique scheme, the design of rounding structure can improve the stability that first and second sealing lip 42,43 contacts with inner ring 2 lines, improves sealing effect.
The arc structure towards attachment face is arranged in one side of the 3rd described sealing lip 45 corresponding attachment faces.
By adopting technique scheme, the design of this structure can be held lubricating grease in fat chamber 5 by the 3rd and by arc structure, lubricating grease be guided to when the bearing High Rotation Speed in the gap in free end 2122 and depressed part 44, then flow back in the second appearance fat chamber 7, thereby can effectively prevent that lubricating grease from throwing away improves lubrication effect, extends bearing working life.
Between described outer ring 1 and inner ring 2, be provided with the second O-ring seal 10, described the first O-ring seal 4 is between the second O-ring seal 10 and rolling element 3, described the second O-ring seal 10 is fixedly connected with inner ring 2, the side that described inner ring 2 is provided with the second raceway relatively forms outer wall, described outer wall is provided with the second annular slot 22, described the second O-ring seal 10 outer peripheral surfaces are provided with the second annular lug 101 with the second annular slot 22 clampings, and described the second O-ring seal 10 inner peripheral surfaces contact with outer ring 1 line.
By adopting technique scheme, the design of the second O-ring seal 10 can further improve sealing, effectively prevents that impurity from entering bearing inside, effectively preventing that lubricating grease from throwing away, and improves lubrication effect thereby reduce friction, extends the working life of bearing.
Described outer ring 1, the both sides of inner ring 2 are all connected with first and second O- ring seal 4,10.
By adopting technique scheme, further effectively prevent that impurity from entering bearing inside, effectively preventing that lubricating grease from throwing away, improve lubrication effect thereby reduce friction, extend the working life of bearing.
Described guide plate 21 is wholely set with inner ring 2.
By adopting technique scheme, guide plate 21 is wholely set and can improves the stability being connected between the two with inner ring 2, improves sealing and prevents that lubricating grease from leaking from the second appearance fat chamber 7, the lubrication effect of raising bearing, prolongation bearing working life.
Claims (9)
1. a bearing, comprise outer ring, inner ring and in, rolling element is set between outer ring, on described outer ring and inner ring, be respectively equipped with the first raceway and second raceway that can roll for rolling element, between described outer ring and inner ring, be provided with the first O-ring seal, it is characterized in that: described the first O-ring seal is fixedly connected with outer ring, the side that described outer ring is provided with the first raceway relatively forms inwall, described inwall is provided with the first annular slot, described the first annular seal ring with outer side face is provided with the first annular lug with the first annular slot clamping, described the first O-ring seal inner peripheral surface is provided with the first annular seal lip, the second annular seal lip, described first, second ring sealing lip all contacts with blue band outer edge line, the circumferential surface of relative the second raceway of described inner ring is provided with annular guide plate, described guide plate comprises the joint being fixedly connected with inner ring, with the guide portion that is integrally connected setting and bends to rolling element, described guide portion comprises connecting end and free end, the another side of the relative rolling element of described the first O-ring seal forms attachment face, described attachment face is provided with depressed part, described free end embeds depressed part and is Spielpassung, described attachment face is provided with the 3rd sealing lip being tightly connected with guide portion middle part, described the 3rd sealing lip, attachment face, between guide portion, form the 3rd and hold fat chamber.
2. bearing according to claim 1, is characterized in that: between described guide plate and attachment face, form the second appearance fat chamber, form the first appearance fat chamber between described first and second sealing lip.
3. bearing according to claim 2, is characterized in that: the 3rd described sealing lip and joint, guide portion middle part form labyrinth seal structure.
4. bearing according to claim 3, is characterized in that: in the first described O-ring seal, be embedded L shaped metal frame, described metal frame is near rolling element one side setting.
5. bearing according to claim 4, is characterized in that: the end face that first and second described sealing lip contacts with blue band outer edge line all arranges rounding structure.
6. bearing according to claim 3, is characterized in that: the arc structure towards attachment face is arranged in a side of the described corresponding attachment face of the 3rd sealing lip.
7. bearing according to claim 6, it is characterized in that: between described outer ring and inner ring, be provided with the second O-ring seal, described the first O-ring seal is between the second O-ring seal and rolling element, described the second O-ring seal is fixedly connected with inner ring, the side that described inner ring is provided with the second raceway relatively forms outer wall, described outer wall is provided with the second annular slot, described the second O-ring seal outer peripheral surface is provided with the second annular lug with the second annular slot clamping, and described the second O-ring seal inner peripheral surface contacts with External Cordon Line.
8. bearing according to claim 7, is characterized in that: described outer ring, the both sides of inner ring are all connected with first and second O-ring seal.
9. bearing according to claim 1, is characterized in that: described guide plate and inner ring are wholely set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033571.0U CN203670496U (en) | 2014-01-20 | 2014-01-20 | Bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033571.0U CN203670496U (en) | 2014-01-20 | 2014-01-20 | Bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670496U true CN203670496U (en) | 2014-06-25 |
Family
ID=50966798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033571.0U Expired - Fee Related CN203670496U (en) | 2014-01-20 | 2014-01-20 | Bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670496U (en) |
-
2014
- 2014-01-20 CN CN201420033571.0U patent/CN203670496U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140625 Termination date: 20180120 |