CN213575154U - Deep groove ball bearing - Google Patents
Deep groove ball bearing Download PDFInfo
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- CN213575154U CN213575154U CN202022334244.7U CN202022334244U CN213575154U CN 213575154 U CN213575154 U CN 213575154U CN 202022334244 U CN202022334244 U CN 202022334244U CN 213575154 U CN213575154 U CN 213575154U
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Abstract
A deep groove ball bearing comprises a bearing outer ring, a bearing inner ring, a retainer and balls arranged in the retainer, wherein a sealing ring is arranged between the bearing outer ring and the bearing inner ring, a steel plate ring is embedded in the sealing ring, a first sealing lip and a second sealing lip which extend inwards are arranged at the inner side end of the sealing ring, and a flow guide ring is formed between the first sealing lip and the second sealing lip; the first sealing lip is attached to the inner surface of the bearing outer ring, and the second sealing lip is in interference fit with the outer surface of the bearing inner ring; wherein, be provided with the third seal lip that extends towards bearing inner race internal surface on the sealing washer outward flange, the sealing washer outward flange is provided with the fourth seal lip towards bearing inner race internal surface slope, and the sealing washer outward flange still is provided with the fifth seal lip towards bearing inner race internal surface extension, sets up like this and makes more smooth and easy when deep groove ball bearing rotates, has prolonged the life of bearing, also guarantees good lubricated effect simultaneously.
Description
Technical Field
The utility model relates to a bearing seal technical field, concretely relates to deep groove ball bearing.
Background
The deep groove ball bearing is the most representative rolling bearing, has the advantages of small friction coefficient, high limit rotating speed, simple structure, low manufacturing cost, easy achievement of higher manufacturing precision, various size ranges and form changes, and is widely applied as a gearbox bearing.
The sealing performance of the bearing is an important index of the bearing, and the sealing performance is mainly reflected in the aspects of oil leakage prevention, grease leakage prevention, dust prevention, water prevention and the like of the bearing. The bearings with different purposes have different requirements on the sealing performance, wherein the sealing performance of the bearings does not meet or satisfy the use requirements, external silt, dust, water vapor and the like are invaded, noise vibration is generated, the abrasion of the roller path and the ball is aggravated, the fatigue stripping is generated on the surfaces of the roller path and the ball, and the service life and the quality of the bearings are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, a deep groove ball bearing is provided.
In order to solve the technical problem, the utility model discloses a following scheme can be solved:
a deep groove ball bearing comprises a bearing outer ring, a bearing inner ring, a retainer and balls arranged in the retainer, wherein a sealing ring is arranged between the bearing outer ring and the bearing inner ring, a steel plate ring is embedded in the sealing ring, a first sealing lip and a second sealing lip which extend inwards are arranged at the inner side end of the sealing ring, and a flow guide ring is formed between the first sealing lip and the second sealing lip; the first sealing lip is attached to the inner surface of the bearing outer ring, and the second sealing lip is in interference fit with the outer surface of the bearing inner ring; the outer edge of the sealing ring is provided with a third sealing lip extending towards the inner surface of the bearing outer ring, the outer edge of the sealing ring is provided with a fourth sealing lip inclining towards the inner surface of the bearing inner ring, and the outer edge of the sealing ring is further provided with a fifth sealing lip extending towards the inner surface of the bearing inner ring.
From this, the advantage of this scheme lies in, through first seal lip and bearing inner race internal surface laminating, the second seal lip forms interference fit with the bearing inner race surface to prevent that the lubricating oil in the bearing from flowing out from the sealing washer, and then prolonged the life of bearing, more smooth and easy when making deep groove ball bearing rotate.
In one embodiment, the inner surface of the bearing outer ring is provided with a first groove for accommodating the third seal lip, and the groove is fixedly attached to the third seal lip.
From this, the advantage of this scheme lies in, through the recess with the fixed laminating of third seal lip for the laminating that the sealing washer can be better is on the bearing outer lane.
In one embodiment, the outer surface of the bearing inner ring is provided with a second groove for accommodating the fifth sealing lip, and the second groove is in interference fit with the fifth sealing lip.
Therefore, the advantage of this scheme lies in, through the second recess with fifth seal lip interference fit can be better prevent outside aqueous vapor debris etc. from getting into inside the bearing, can also prevent inside lubricating oil etc. of bearing and leak simultaneously.
In one embodiment, an arc-shaped surface is formed between the second groove and the outer surface of the bearing inner ring, and the fourth sealing lip is in interference fit with the arc-shaped surface.
Therefore, the fourth seal lip has the advantage that the fourth seal lip is in interference fit with the arc-shaped surface, so that lubricating oil and the like in the bearing can be further prevented from leaking.
In one embodiment, the first sealing lip and the second sealing lip are both in the shape of helical teeth, and the first sealing lip and the second sealing lip are symmetrically arranged.
From this, the advantage of this scheme lies in, through first seal lip with the second seal lip all is the skewed tooth form, thereby the utility model discloses a deep groove ball bearing when rotating, gets rid of lubricating grease on the bearing seal circle in can inclining the water conservancy diversion ball both sides along first seal lip and second seal lip, and then improves lubricating grease's utilization ratio.
In one embodiment, a gap is formed between the third sealing lip and the sealing ring.
From this, the advantage of this scheme lies in, has seted up the C-shaped groove through having seted up between third seal lip and the sealing washer for the sealing washer can be convenient install between bearing inner race and bearing inner race, and then easier when making the installation, the phenomenon that the sealing washer dropped can not appear yet simultaneously, has still strengthened the leakproofness in addition.
In one embodiment, the sealing ring material is nitrile rubber, propylene rubber, fluororubber, ethylene propylene diene monomer rubber, hydrogenated nitrile rubber, silicone rubber.
The utility model discloses beneficial effect:
1. the bearing comprises a bearing outer ring, a bearing inner ring and a sealing ring, wherein the bearing inner ring is arranged on the bearing outer ring, the inner side end of the sealing ring is provided with a first sealing lip and a second sealing lip which extend inwards, the first sealing lip and the second sealing lip are attached to the inner surface of the bearing outer ring, the second sealing lip and the outer surface of the bearing inner ring form interference fit, the first sealing lip and the second sealing lip are all in helical tooth shapes, so that lubricating grease thrown onto the bearing sealing ring can be guided into an arc groove along the first sealing lip and the second sealing lip in an inclined mode when the bearing moves, the bearing has a good lubricating effect, and meanwhile the utilization rate of the.
2. Through first seal lip with form the water conservancy diversion ring between the second seal lip for lubricating grease who gets rid of on the bearing seal circle can be along water conservancy diversion ring water conservancy diversion to the ball both sides in, and then improves lubricating grease's utilization ratio.
3. A fourth sealing lip inclining towards the inner surface of the bearing inner ring and a fifth sealing lip extending towards the inner surface of the bearing inner ring are arranged on the outer edge of the sealing ring. Therefore, the fourth sealing lip and the fifth sealing lip can effectively prevent external water vapor and pollutants from entering the bearing.
Drawings
Fig. 1 is a schematic sectional view of the upper half of the deep groove ball bearing of the present invention.
Fig. 2 is a schematic diagram of the structure of the sealing ring of the deep groove ball bearing of the present invention.
In the figure: 10. the bearing comprises a bearing outer ring, 20, a bearing inner ring, 30, a retainer, 40, balls, 50, a sealing ring, 51, a steel plate ring, 52, a first sealing lip, 53, a second sealing lip, 54, a third sealing lip, 55, a fourth sealing lip, 56, a fifth sealing lip, 57, a deflector ring, 58 and a notch.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments. In the following description, feature details such as specific configurations and components are provided only to help a full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
The utility model provides a deep groove ball bearing.
As shown in fig. 1, a deep groove ball bearing includes a bearing outer ring 10, a bearing inner ring 20, a retainer 30 and balls 40 arranged in the retainer 30, wherein a seal ring 50 is further arranged between the bearing outer ring 10 and the bearing inner ring 20, a steel plate ring 51 is embedded in the seal ring 50, a first seal lip 52 and a second seal lip 53 extending inwards are arranged at the inner side end of the seal ring 60, the first seal lip 52 is attached to the inner surface of the bearing outer ring 10, the second seal lip 53 is in interference fit with the outer surface of the bearing inner ring 20, specifically, the first seal lip 52 and the second seal lip 53 are both in an inclined tooth shape, and the first seal lip 52 and the second seal lip 53 are symmetrically arranged, so that when the bearing moves, lubricating oil thrown onto the bearing seal ring can be guided into the bearing obliquely along the first seal lip 52 and the second seal lip 53, the good lubricating effect is ensured, and the utilization rate of the lubricating oil is improved.
Further, an arc-shaped flow guide ring 57 is formed between the first seal lip 52 and the second seal lip 53, so that the lubricating grease thrown onto the bearing seal ring can be guided into two sides of the ball along the flow guide ring, and the utilization rate of the lubricating grease is further improved.
Further, a third sealing lip 54 extending towards the bearing outer ring 10 is arranged on the outer edge of the sealing ring 50; the first recess that holds third seal lip 54 is seted up to the internal surface of bearing inner race 10, just the recess with the fixed laminating of third seal lip 54 to through the recess with the fixed laminating of third seal lip 54 makes the laminating that the sealing washer can be better on the bearing inner race.
Further, a gap 58 is formed between the third sealing lip 54 and the sealing ring 50, so that the elasticity of the sealing ring 50 is increased, the installation is easier, the phenomenon that the sealing ring falls off cannot occur, and the sealing performance is enhanced.
Further, the outer edge of the sealing ring 50 is also provided with a fifth sealing lip 56 extending towards the inner surface of the bearing inner ring 20; a second groove for accommodating the fifth sealing lip 56 is formed in the outer surface of the bearing inner ring 20, and the second groove is in interference fit with the fifth sealing lip 56; the outer edge of the sealing ring 50 is provided with a fourth sealing lip 55 which inclines towards the inner surface of the bearing inner ring 20; an arc-shaped surface is formed between the second groove and the outer surface of the bearing inner ring 20, and the fourth sealing lip 55 is in interference fit with the arc-shaped surface. Therefore, the fourth sealing lip 55 and the fifth sealing lip 5 are matched to effectively prevent external moisture and pollutants from entering the interior of the bearing.
In addition, the material of the seal ring 50 is neoprene nitrile rubber, propylene rubber, fluorine rubber, ethylene propylene diene monomer rubber, hydrogenated nitrile rubber, or silicone rubber.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a deep groove ball bearing, includes bearing inner race (10), bearing inner race (20), holder (30) and sets up ball (40) in holder (30), bearing inner race (10) with be provided with sealing washer (50) between bearing inner race (20), the embedded steel sheet circle (51), its characterized in that are equipped with of sealing washer (50): a first sealing lip (52) and a second sealing lip (53) which extend inwards are arranged at the inner end of the sealing ring (50), and a flow guide ring (57) is formed between the first sealing lip (52) and the second sealing lip (53); the first sealing lip (52) is attached to the inner surface of the bearing outer ring (10), and the second sealing lip (53) is in interference fit with the outer surface of the bearing inner ring (20); the outer edge of the sealing ring (50) is provided with a third sealing lip (54) extending towards the inner surface of the bearing outer ring (10), the outer edge of the sealing ring (50) is provided with a fourth sealing lip (55) inclining towards the inner surface of the bearing inner ring (20), and the outer edge of the sealing ring (50) is further provided with a fifth sealing lip (56) extending towards the inner surface of the bearing inner ring (20).
2. The deep groove ball bearing of claim 1, wherein: the inner surface of the bearing outer ring (10) is provided with a first groove for accommodating the third sealing lip (54), and the groove is fixedly attached to the third sealing lip (54).
3. The deep groove ball bearing of claim 1, wherein: and a second groove for accommodating the fifth sealing lip (56) is formed in the outer surface of the bearing inner ring (20), and the second groove is in interference fit with the fifth sealing lip (56).
4. A deep groove ball bearing according to claim 3, characterized in that: an arc-shaped surface is formed between the second groove and the outer surface of the bearing inner ring (20), and the fourth sealing lip (55) is in interference fit with the arc-shaped surface.
5. The deep groove ball bearing of claim 1, wherein: the first sealing lip (52) and the second sealing lip (53) are both in an inclined tooth shape, and the first sealing lip (52) and the second sealing lip (53) are symmetrically arranged.
6. The deep groove ball bearing of claim 1, wherein: a gap (58) is arranged between the third sealing lip (54) and the sealing ring (50).
7. The deep groove ball bearing of claim 1, wherein: the sealing ring (50) is made of nitrile rubber, propylene rubber, fluororubber, ethylene propylene diene monomer rubber, hydrogenated nitrile rubber and silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334244.7U CN213575154U (en) | 2020-10-19 | 2020-10-19 | Deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334244.7U CN213575154U (en) | 2020-10-19 | 2020-10-19 | Deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575154U true CN213575154U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022334244.7U Active CN213575154U (en) | 2020-10-19 | 2020-10-19 | Deep groove ball bearing |
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| CN (1) | CN213575154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776714A (en) * | 2022-04-28 | 2022-07-22 | 洛阳轴承研究所有限公司 | Contact bearing seal structure |
-
2020
- 2020-10-19 CN CN202022334244.7U patent/CN213575154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776714A (en) * | 2022-04-28 | 2022-07-22 | 洛阳轴承研究所有限公司 | Contact bearing seal structure |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230911 Address after: 315324 Xingye North Road, Zhouxiang Town, Cixi City, Ningbo City, Zhejiang Province Patentee after: NINGBO WANFENG BEARING Co.,Ltd. Address before: 315324 Xingye North Road, Zhouxiang Town, Cixi City, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG FENGAN PRECISION MACHINERY Co.,Ltd. |