CN206246540U - The two-row ball bearing of sealing with o - Google Patents
The two-row ball bearing of sealing with o Download PDFInfo
- Publication number
- CN206246540U CN206246540U CN201621356117.4U CN201621356117U CN206246540U CN 206246540 U CN206246540 U CN 206246540U CN 201621356117 U CN201621356117 U CN 201621356117U CN 206246540 U CN206246540 U CN 206246540U
- Authority
- CN
- China
- Prior art keywords
- ring
- sealing
- steel skeleton
- inner edge
- rubber strip
- 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.)
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- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of two-row ball bearing of sealing with o, including inner ring, outer ring, the two row steel balls between inner ring and outer ring, retainer for wrapping up steel ball, the side of inner ring and outer ring is provided with the first sealing ring, first sealing ring includes the first steel skeleton and the first rubber strip being coated on the first steel skeleton, the inner edge of the first rubber strip is provided with first sealing lip of two and the outer rim interference fit of inner ring, the outer rim of the first rubber strip is provided with the mounting seat coordinated with the inner edge of outer ring, the opposite side of inner ring and outer ring is provided with the second sealing ring, second sealing ring includes the second steel skeleton and the second rubber strip being coated on the second steel skeleton inner edge, the inner edge of the second rubber strip is provided with second sealing lip of two and the outer rim interference fit of inner ring, O-ring is provided between the outer rim of the second steel skeleton and the inner edge of outer ring.The two-row ball bearing leak resistance of sealing with o of the present utility model is good.
Description
Technical field
The utility model is related to technical field of bearings, more particularly, to a kind of two-row ball bearing of sealing with o.
Background technology
The difference of bearing field of employment, causes the application function emphasis of bearing different, according to the market demand, is badly in need of exploitation
A kind of bearing of unilateral anti-gas-leak, to adapt to the air-tightness demand of field of employment.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of double-row-ball of sealing with o
Bearing, the leak resistance of the bearing is good.
To reach above-mentioned purpose, the technical solution of the utility model is：The two-row ball bearing of sealing with o, including inner ring,
The side of outer ring, the two row steel balls between inner ring and outer ring, the retainer for wrapping up steel ball, the inner ring and outer ring sets
There is the first sealing ring, first sealing ring includes the first steel skeleton and the first rubber strip being coated on the first steel skeleton, institute
The inner edge for stating the first rubber strip is provided with first sealing lip of two and the outer rim interference fit of inner ring, and the outer rim of the first rubber strip sets
There is a mounting seat coordinated with the inner edge of outer ring, the opposite side of the inner ring and outer ring is provided with the second sealing ring, second sealing
Circle includes the second steel skeleton and the second rubber strip being coated on the second steel skeleton inner edge, and the inner edge of second rubber strip is provided with
Two with the second sealing lip of the outer rim interference fit of inner ring, be provided between the outer rim of second steel skeleton and the inner edge of outer ring
O-ring.
The inner edge side of the outer ring is provided with the first mounting groove, and the mounting seat coordinates in the first mounting groove of insertion.
The groove of ring-type is provided with the outside of the mounting seat.
The section of the groove is semicircle.
The inner edge opposite side of the outer ring is provided with the second mounting groove, and the outer rim of second steel skeleton coordinates insertion second to pacify
In tankage.
Second mounting groove is provided with the 3rd mounting groove, and the outer rim with the second steel skeleton is provided with the 3rd mounting groove
The O-ring of interference fit.
The beneficial effects of the utility model are：Interference fit is carried out by inner ring and outer ring both sides using two sealing lips
Sealing, good seal performance；Using the structure design of subsidiary 3rd mounting groove in the second mounting groove, sealed to second using O-ring
Circle is sealed with outer ring contact position, further improves the leak resistance at the second sealing ring.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the enlarged drawing at B in Fig. 1；
In figure：Inner ring 1, outer ring 2, the first mounting groove 21, the second mounting groove 22, the 3rd mounting groove 23, steel ball 3, retainer
4th, the first steel skeleton 5, the first rubber strip 51, the first sealing lip 52, mounting seat 53, groove 54, the second steel skeleton 6, the second rubber
Bar 61, the second sealing lip 62, O-ring 7.
Specific embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in FIG. 1 to 3, the two-row ball bearing of sealing with o, including inner ring 1, outer ring 2, positioned at inner ring 1 and outer ring 2
Between two row steel balls 3, the retainer 4 for wrapping up steel ball 3, the utility model application pressing cage substitute nylon keep
Frame, improves intensity and durability, the comprehensive service life and security reliability for improving bearing.
The side of the inner ring 1 and outer ring 2 is provided with the first sealing ring, and first sealing ring includes the He of the first steel skeleton 5
The first rubber strip 51 on the first steel skeleton 5 is coated on, the inner edge of first rubber strip 51 is provided with the outer rim of two and inner ring 1
First sealing lip 52 of interference fit, strengthens the sealing effectiveness of the side；The outer rim of the first rubber strip 51 is provided with the inner edge with outer ring 2
The mounting seat 53 of cooperation, the inner edge side of the outer ring 2 is provided with the first mounting groove 21, and the mounting seat 53 coordinates insertion first to pacify
In tankage 21, extruded by flexible mounting seat 53 and installed, also can guarantee that sealing property.
The outside of the mounting seat 53 is provided with the groove 54 of ring-type, and the section of the groove 54 is semicircle, the energy of groove 54
Strengthen the elastic deformability of mounting seat 53 so that be squeezed into the first mounting groove 21 more convenient.
The opposite side of the inner ring 1 and outer ring 2 is provided with the second sealing ring, and second sealing ring includes the second steel skeleton 6
With the second rubber strip 61 being coated on the inner edge of the second steel skeleton 6, the inner edge of second rubber strip 61 is provided with two with inner ring 1
Outer rim interference fit the second sealing lip 62, it is ensured that the sealing property of the side；The outer rim of second steel skeleton 6 and outer ring
O-ring 7 is provided between 2 inner edge, the inner edge opposite side of the outer ring 2 is provided with the second mounting groove 22, second steel skeleton 6
Outer rim coordinates in the second mounting groove 22 of insertion, and second mounting groove 22 is provided with the 3rd mounting groove 23, the 3rd mounting groove
The O-ring 7 with the outer rim interference fit of the second steel skeleton 6 is provided with 23, using subsidiary 3rd mounting groove in the second mounting groove 22
23 structure design, is sealed using 7 pairs of the second sealing rings of O-ring and the contact position of outer ring 2, further improves the second sealing ring
The leak resistance at place.
Including first sealing ring and the second sealing ring block steel ball 3 and retainer 4.
The foregoing is only the utility model preferably specific embodiment, but protection domain of the present utility model not office
It is limited to this, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.
Claims (6)
1. the two-row ball bearing of sealing with o, including inner ring (1), outer ring (2), between inner ring (1) and outer ring (2) two
Row steel ball (3), the retainer (4) for wrapping up steel ball (3), it is characterised in that：The side of the inner ring (1) and outer ring (2) sets
There is the first sealing ring, first sealing ring includes the first steel skeleton (5) and the first rubber being coated on the first steel skeleton (5)
Bar (51), the inner edge of first rubber strip (51) is provided with first sealing lip of two and the outer rim interference fit of inner ring (1)
(52), the outer rim of the first rubber strip (51) is provided with the mounting seat (53) coordinated with the inner edge of outer ring (2), the inner ring (1) and outward
The opposite side for enclosing (2) is provided with the second sealing ring, and second sealing ring includes the second steel skeleton (6) and is coated on the second steel skeleton
(6) the second rubber strip (61) on inner edge, the inner edge of second rubber strip (61) is provided with the outer rim interference of two and inner ring (1)
The second sealing lip (62) for coordinating, O-ring (7) is provided between the outer rim of second steel skeleton (6) and the inner edge of outer ring (2).
2. as claimed in claim 1 sealing with o two-row ball bearing, it is characterised in that：The inner edge side of the outer ring (2) sets
There is the first mounting groove (21), the mounting seat (53) coordinates in the first mounting groove of insertion (21).
3. as claimed in claim 2 sealing with o two-row ball bearing, it is characterised in that：Set on the outside of the mounting seat (53)
There is the groove (54) of ring-type.
4. as claimed in claim 3 sealing with o two-row ball bearing, it is characterised in that：The section of the groove (54) is half
It is circular.
5. as claimed in claim 1 sealing with o two-row ball bearing, it is characterised in that：The inner edge opposite side of the outer ring (2)
The second mounting groove (22) is provided with, the outer rim of second steel skeleton (6) coordinates in the second mounting groove of insertion (22).
6. as claimed in claim 5 sealing with o two-row ball bearing, it is characterised in that：Set on second mounting groove (22)
There is the O-ring being provided with the 3rd mounting groove (23), the 3rd mounting groove (23) with the outer rim interference fit of the second steel skeleton (6)
(7)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356117.4U CN206246540U (en) | 2016-12-09 | 2016-12-09 | The two-row ball bearing of sealing with o |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621356117.4U CN206246540U (en) | 2016-12-09 | 2016-12-09 | The two-row ball bearing of sealing with o |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206246540U true CN206246540U (en) | 2017-06-13 |
Family
ID=59006479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621356117.4U Active CN206246540U (en) | 2016-12-09 | 2016-12-09 | The two-row ball bearing of sealing with o |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206246540U (en) |
-
2016
- 2016-12-09 CN CN201621356117.4U patent/CN206246540U/en active Active
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