CN210106402U - High leakproofness deep groove ball bearing - Google Patents
High leakproofness deep groove ball bearing Download PDFInfo
- Publication number
- CN210106402U CN210106402U CN201920619492.0U CN201920619492U CN210106402U CN 210106402 U CN210106402 U CN 210106402U CN 201920619492 U CN201920619492 U CN 201920619492U CN 210106402 U CN210106402 U CN 210106402U
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- China
- Prior art keywords
- baffle
- outer ring
- inner ring
- rolling
- baffles
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000005096 rolling process Methods 0.000 claims abstract description 66
- 238000000034 method Methods 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Sealing Of Bearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a high leakproofness deep groove ball bearing is equipped with the outer lane baffle on the outer lane along perpendicular outer lane axis direction, and the outer lane baffle has two both sides that are located the ball respectively, outer lane baffle and outer lane integrated into one piece. The inner ring is provided with two inner ring baffles along the direction vertical to the axis of the inner ring, the two inner ring baffles are respectively positioned at two sides of the ball, the inner ring baffles and the inner ring are integrally formed, and the outer ring baffles and the inner ring baffles are oppositely arranged. And a sealing block is arranged on the outer ring baffle, a second rolling body is arranged between the sealing block and the inner ring baffle, and raceways matched with the second rolling body to roll are respectively arranged on the sealing block and the inner ring baffle. Has the advantages that: the space between outer circle baffle and the inner circle baffle is sealed up to sealed piece, the utility model discloses sealed piece is not lug connection with the inner circle baffle in the device, but carries out roll connection through setting up the second rolling element between the two. The arrangement mode can ensure high sealing performance and simultaneously reduce friction caused by sealing requirements as much as possible.
Description
Technical Field
The utility model belongs to the technical field of the bearing technique and specifically relates to a high leakproofness deep groove ball bearing is related to.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. With the development of the technology, the use occasions of the bearing are wider and wider, and the requirements are more and more specialized; as with some bearings having sealing requirements, it is desirable that the bearings have corresponding sealing structures to meet the requirements.
At present, the bearing is mainly sealed by a rubber sealing ring, wherein the rubber sealing ring is an annular cover consisting of one or more parts, is fixed on one ferrule or gasket of the bearing and is contacted with the other ferrule or gasket or forms a narrow labyrinth gap to prevent lubricating oil from leaking and foreign matters from invading. Because of the great coefficient of friction of rubber, adopt rubber seal to have the frictional force too big to lead to the fact wearing and tearing, hinder the problem that the bearing rotates easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high leakproofness deep groove ball bearing that frictional force is little.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-sealing deep groove ball bearing comprises an outer ring, an inner ring and a first rolling body arranged between the outer ring and the inner ring, wherein a retainer enabling the first rolling body to be uniformly distributed between the outer ring and the inner ring is further arranged between the outer ring and the inner ring. The outer ring is provided with a first raceway which is matched with the first rolling body to roll, and the inner ring is provided with a second raceway which is matched with the first rolling body to roll. And the outer ring baffle is arranged on the outer ring along the direction vertical to the axis of the outer ring, two outer ring baffles are respectively positioned on two sides of the first rolling body, and the outer ring baffle and the outer ring are integrally formed. The inner ring is provided with two inner ring baffles along the direction vertical to the axis of the inner ring, the two inner ring baffles are respectively positioned at two sides of the first rolling body, the inner ring baffles and the inner ring are integrally formed, and the outer ring baffles and the inner ring baffles are oppositely arranged. The outer ring baffle is provided with a sealing block, a second rolling body is arranged between the sealing block and the inner ring baffle, the sealing block is provided with a first groove matched with the second rolling body to roll, and the inner ring baffle is provided with a second groove matched with the second rolling body to roll. The space between outer circle baffle and the inner circle baffle is sealed up to sealed piece, the utility model discloses sealed piece is not lug connection with the inner circle baffle in the device, but carries out roll connection through setting up the second rolling element between the two. The arrangement mode can ensure high sealing performance and simultaneously reduce friction increased by sealing requirements as much as possible.
As the utility model discloses a further improvement is equipped with the elastic component between sealed piece and the outer lane baffle, is equipped with interior baffle on the outer lane baffle, and interior baffle has two both sides that are located sealed piece respectively, interior baffle and sealed piece sliding connection. When the utility model discloses when bearing operation longer time back second rolling element wearing and tearing or because of process error leads to producing the space between second rolling element and first recess or the second recess, the elastic component can promote sealed piece, and then makes second rolling element and first recess and second recess contact to guarantee the leakproofness of bearing.
As a further improvement, the two ends of one side of the sealing block close to the second rolling element are respectively provided with a stop block. The setting of stopping block both can further reduce the space between inner circle baffle and the sealing block, improves the leakproofness of bearing, can prevent again that the second rolling element from rolling out the bearing because of wearing and tearing or because of the process error leads to the undersize.
As a further improvement, the inner baffle is closer to the inner ring baffle than the sealing block. The arrangement can further reduce the gap between the inner ring baffle and the sealing block, improve the sealing performance of the bearing, and prevent the second rolling body from rolling out of the bearing due to abrasion or small volume caused by process errors.
As the utility model discloses a further improvement is equipped with on the outer lane baffle along convex first location arris in the outer lane axis direction, and first location arris is equipped with more than one, be equipped with on the sealed piece with first location arris complex first positioning groove. The structure improves the connection fixity of the outer ring baffle and the sealing block and improves the stability of the bearing.
As a further improvement, the outer ring baffle is provided with a second positioning edge protruding along the axis direction of the outer ring, the second positioning edge is provided with more than one, and the inner baffle is provided with a second positioning groove matched with the second positioning edge. The structure improves the connection fixity of the outer ring baffle and the inner baffle and improves the stability of the bearing.
As a further improvement, the both ends that the inner circle baffle is close to one side of second rolling element respectively are equipped with a first outer baffle, and two first outer baffles are located sealed piece both sides, first outer baffle and outer lane baffle contactless. The sealing blocks and the first outer baffle are arranged in a staggered mode to form a labyrinth type sealing structure, and the sealing performance of the bearing is further improved.
As a further improvement, the two ends of one side of the inner ring baffle close to the second rolling element are respectively provided with a second outer baffle, the two second outer baffles are positioned on the two sides of the inner baffle, and the second outer baffles are not contacted with the outer ring baffle. The inner baffle and the second outer baffle are arranged in a staggered mode to form a labyrinth type sealing structure, and the sealing performance of the bearing is further improved.
Compared with the prior art, the invention has the beneficial effects that:
1. the space between outer circle baffle and the inner circle baffle is sealed up to sealed piece, the utility model discloses sealed piece is not lug connection with the inner circle baffle in the device, but carries out roll connection through setting up the second rolling element between the two. The arrangement mode can ensure high sealing performance and simultaneously reduce friction increased by sealing requirements as much as possible;
2. an elastic piece is arranged between the sealing block and the outer ring baffle, when the bearing of the utility model runs for a long time and the second rolling body is worn or a gap is generated between the second rolling body and the first groove or the second groove due to process errors, the elastic piece can push the sealing block, so that the second rolling body is contacted with the first groove and the second groove, thereby ensuring the sealing performance of the bearing;
3. two ends of one side, close to the second rolling body, of the inner ring baffle are respectively provided with a first outer baffle (or a second outer baffle), the two first outer baffles (or the second outer baffles) are located on two sides of the sealing block (or the inner baffle), and the first outer baffles (or the second outer baffles) are not in contact with the outer ring baffle. The sealing blocks (or the inner baffle plates) and the first outer baffle plates (or the second outer baffle plates) are arranged in a staggered mode to form a labyrinth type sealing structure, and the sealing performance of the bearing is further improved.
Drawings
FIG. 1 is a schematic view of a bearing structure according to embodiment 1;
FIG. 2 is an enlarged view of a portion a of FIG. 1;
FIG. 3 is a schematic view of a bearing structure according to embodiment 2;
FIG. 4 is an enlarged view of a portion b of FIG. 3;
FIG. 5 is an enlarged view of a portion c of FIG. 3;
FIG. 6 is a schematic view of a bearing structure according to embodiment 4;
FIG. 7 is a schematic view of a bearing structure according to embodiment 5.
The reference numerals are explained below: 1. an inner ring; 2. an outer ring; 3. an outer ring baffle plate; 4. an inner ring baffle plate; 5. a first rolling element; 6. a second raceway; 7. a first raceway; 8. an elastic member; 9. an inner baffle; 10. a sealing block; 11. a second rolling element; 12. a second groove; 13. a first groove; 14. a blocking block; 15. a first positioning edge; 16. a first outer baffle; 17. a second outer baffle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1:
a deep groove ball bearing with high sealing performance is mainly used for dust prevention and water splashing prevention of a bearing. For example, the bearing is applied to a flour production workshop, flour and dust can be well prevented from entering the bearing, and the bearing is prevented from being blocked or worn too fast; or be applied to the wheel, can prevent in the muddy water splash bearing well, avoid causing the bearing card to pause or wearing and tearing too fast.
Referring to fig. 1 and 2 in particular, the high-sealing deep groove ball bearing includes an outer ring 2, an inner ring 1, and a first rolling element 5 disposed between the outer ring 2 and the inner ring 1, and a retainer is further disposed between the outer ring 2 and the inner ring 1 to uniformly distribute the first rolling element 5 between the outer ring 2 and the inner ring 1. The outer ring 2 is provided with a first raceway 7 which is matched with the first rolling body 5 to roll, and the inner ring 1 is provided with a second raceway 6 which is matched with the first rolling body 5 to roll. An outer ring baffle 3 is arranged on the outer ring 2 along the direction vertical to the axis of the outer ring 2, two outer ring baffles 3 are respectively positioned on two sides of the first rolling body 5, and the outer ring baffle 3 and the outer ring 2 are integrally formed. An inner ring baffle 4 is arranged on the inner ring 1 along the direction vertical to the axis of the inner ring 1, two inner ring baffles 4 are respectively positioned at two sides of the first rolling body 5, the inner ring baffle 4 and the inner ring 1 are integrally formed, and the outer ring baffle 3 and the inner ring baffle 4 are oppositely arranged. The outer ring baffle 3 is provided with a sealing block 10, a second rolling body 11 is arranged between the sealing block 10 and the inner ring baffle 4, the sealing block 10 is provided with a first groove 13 matched with the second rolling body 11 to roll, and the inner ring baffle 4 is provided with a second groove 12 matched with the second rolling body 11 to roll. The space of sealed piece 10 between to outer circle baffle 3 and inner circle baffle 4 seals, the utility model discloses sealed piece 10 and inner circle baffle 4 are not lug connection in the device, but carry out roll connection through set up second rolling element 11 between the two. The arrangement mode can ensure high sealing performance and simultaneously reduce friction increased by sealing requirements as much as possible. The outer ring baffle 3 is provided with more than one first positioning ridge 15 protruding along the axial direction of the outer ring 2, and the sealing block 10 is provided with a first positioning groove matched with the first positioning ridge 15. The structure improves the connection fixity of the outer ring baffle 3 and the sealing block 10, and improves the stability of the bearing.
Example 2:
compared with the content of the embodiment 1, the following structure is added: referring to fig. 3 and 4 specifically, an elastic member 8 is arranged between the sealing block 10 and the outer ring baffle 3, an inner baffle 9 is arranged on the outer ring baffle 3, two inner baffles 9 are respectively arranged at two sides of the sealing block 10, and the inner baffles 9 are slidably connected with the sealing block 10. When the utility model discloses 11 wearing and tearing of second rolling element or when leading to producing the space between second rolling element 11 and first recess 13 or the second recess 12 because of process error after the bearing operation longer time, elastic component 8 can promote sealed piece 10, and then makes second rolling element 11 and first recess 13 and the contact of second recess 12 to guarantee the leakproofness of bearing. The inner barrier 9 is closer to the inner ring barrier 4 than the seal block 10. The arrangement can not only further reduce the gap between the inner ring baffle 4 and the sealing block 10 and improve the sealing performance of the bearing, but also prevent the second rolling element 11 from rolling out of the bearing due to abrasion or small volume caused by process errors. The outer ring baffle 3 is provided with more than one second positioning ridge protruding along the axis direction of the outer ring 2, and the inner baffle 9 is provided with a second positioning groove matched with the second positioning ridge. The structure improves the connection fixity of the outer ring baffle 3 and the inner baffle 9, and improves the stability of the bearing.
Example 3:
compared with the content of the embodiment 1, the following structure is added: referring to fig. 1 and 2, two ends of one side of the sealing block 10 close to the second rolling element 11 are respectively provided with a stop block 14. The arrangement of the blocking block 14 can not only further reduce the gap between the inner ring baffle 4 and the sealing block 10 and improve the sealing performance of the bearing, but also prevent the second rolling element 11 from rolling out of the bearing due to abrasion or small volume caused by process errors.
Example 4:
compared with the content of the embodiment 1, the following structure is added: referring to fig. 6 specifically, two ends of one side of the inner ring baffle 4 close to the second rolling element 11 are respectively provided with a first outer baffle 16, the two first outer baffles 16 are located at two sides of the sealing block 10, and the first outer baffles 16 are not in contact with the outer ring baffle 3. The sealing blocks 10 and the first outer baffle 16 are arranged in a staggered mode to form a labyrinth type sealing structure, and the sealing performance of the bearing is further improved.
Example 5:
compared with the content of the embodiment 2, the following structure is added: referring to fig. 7 specifically, two ends of one side of the inner ring baffle 4 close to the second rolling elements 11 are respectively provided with a second outer baffle 17, the two second outer baffles 17 are located at two sides of the inner baffle 9, and the second outer baffles 17 are not in contact with the outer ring baffle 3. The inner baffle 9 and the second outer baffle 17 are arranged in a staggered mode to form a labyrinth type sealing structure, and the sealing performance of the bearing is further improved.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. A high-sealing deep groove ball bearing comprises an outer ring (2), an inner ring (1) and a first rolling body (5) arranged between the outer ring (2) and the inner ring (1), wherein a retainer enabling the first rolling body (5) to be uniformly distributed between the outer ring (2) and the inner ring (1) is further arranged between the outer ring (2) and the inner ring (1), a first rolling path (7) matched with the first rolling body (5) to roll is arranged on the outer ring (2), a second rolling path (6) matched with the first rolling body (5) to roll is arranged on the inner ring (1), the deep groove ball bearing is characterized in that an outer ring baffle (3) is arranged on the outer ring (2) along the direction vertical to the axis of the outer ring (2), two outer ring baffles (3) are respectively positioned on two sides of the first rolling body (5), the outer ring baffle (3) and the outer ring (2) are integrally formed, an inner ring baffle (4) is arranged on the inner ring (1) along the direction vertical to, inner circle baffle (4) have two both sides that are located first rolling element (5) respectively, inner circle baffle (4) and inner circle (1) integrated into one piece, outer lane baffle (3) set up with inner circle baffle (4) relatively, be equipped with sealed piece (10) on outer lane baffle (3), be equipped with second rolling element (11) between sealed piece (10) and inner circle baffle (4), be equipped with the rolling first recess (13) of cooperation second rolling element (11) on sealed piece (10), be equipped with the rolling second recess (12) of cooperation second rolling element (11) on inner circle baffle (4).
2. The deep groove ball bearing with high sealing performance according to claim 1, wherein an elastic part (8) is arranged between the sealing block (10) and the outer ring baffle (3), an inner baffle (9) is arranged on the outer ring baffle (3), two inner baffles (9) are respectively arranged on two sides of the sealing block (10), and the inner baffles (9) are in sliding connection with the sealing block (10).
3. The deep groove ball bearing with high sealing performance as claimed in claim 1 is characterized in that two ends of one side, close to the second rolling bodies (11), of the sealing block (10) are respectively provided with a stop block (14).
4. The deep groove ball bearing with high sealing performance according to claim 2, characterized in that the inner baffle (9) is closer to the inner ring baffle (4) than the sealing block (10).
5. The deep groove ball bearing with high sealing performance as claimed in claim 1, wherein the outer ring baffle (3) is provided with a first positioning ridge (15) protruding along the axial direction of the outer ring (2), the first positioning ridge (15) is provided with more than one, and the sealing block (10) is provided with a first positioning groove matched with the first positioning ridge (15).
6. The deep groove ball bearing with high sealing performance as claimed in claim 2, wherein the outer ring baffle (3) is provided with second positioning edges protruding along the axial direction of the outer ring (2), the second positioning edges are provided with more than one, and the inner baffle (9) is provided with second positioning grooves matched with the second positioning edges.
7. The deep groove ball bearing with high sealing performance according to claim 1 is characterized in that two ends of one side, close to the second rolling bodies (11), of the inner ring baffle (4) are respectively provided with a first outer baffle (16), the two first outer baffles (16) are located on two sides of the sealing block (10), and the first outer baffles (16) are not in contact with the outer ring baffle (3).
8. The deep groove ball bearing with high sealing performance according to claim 2 is characterized in that two ends of one side, close to the second rolling bodies (11), of the inner ring baffle (4) are respectively provided with a second outer baffle (17), the two second outer baffles (17) are located on two sides of the inner baffle (9), and the second outer baffles (17) are not in contact with the outer ring baffle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619492.0U CN210106402U (en) | 2019-04-30 | 2019-04-30 | High leakproofness deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619492.0U CN210106402U (en) | 2019-04-30 | 2019-04-30 | High leakproofness deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106402U true CN210106402U (en) | 2020-02-21 |
Family
ID=69539411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920619492.0U Expired - Fee Related CN210106402U (en) | 2019-04-30 | 2019-04-30 | High leakproofness deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106402U (en) |
-
2019
- 2019-04-30 CN CN201920619492.0U patent/CN210106402U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200221 |