CN217977361U - Combined sealing ring structure suitable for vehicle hub bearing - Google Patents
Combined sealing ring structure suitable for vehicle hub bearing Download PDFInfo
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- CN217977361U CN217977361U CN202221968530.1U CN202221968530U CN217977361U CN 217977361 U CN217977361 U CN 217977361U CN 202221968530 U CN202221968530 U CN 202221968530U CN 217977361 U CN217977361 U CN 217977361U
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- sealing
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- cavity
- contact lip
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- 238000007789 sealing Methods 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000002131 composite material Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000004519 grease Substances 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- YAFQFNOUYXZVPZ-UHFFFAOYSA-N liproxstatin-1 Chemical compound ClC1=CC=CC(CNC=2C3(CCNCC3)NC3=CC=CC=C3N=2)=C1 YAFQFNOUYXZVPZ-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Sealing Of Bearings (AREA)
Abstract
The utility model discloses a combined sealing ring structure suitable for a vehicle hub bearing, which comprises a sealing body framework and a water throwing ring; the sealing body framework and the water slinging ring are both of L-shaped structures in cross section shapes, and are symmetrically arranged and buckled with each other to form a cavity of a rectangular structure; a sealing ring main body is arranged in the cavity; the sealing ring main body is coated on the L-shaped vertical folded edge of the sealing body framework, and a sealing body contact lip is formed at the top of the sealing body framework. The utility model reduces the phenomenon that the friction torque of the angle generated by the contact of the radial lip is larger by the contact of the axial rubber lip on the sealing ring main body and the side surface of the water throwing ring; through the labyrinth design, prevent outside muddy water, dust, impurity etc. inside getting into the bearing, can prevent simultaneously that lubricating grease in the bearing from leaking to the bearing outside to and adopt the sealed magnitude of interference of combination to reduce the friction torque of combination sealing washer, improved the life of bearing.
Description
Technical Field
The utility model belongs to the technical field of the bearing seal circle, concretely relates to combined seal circle structure suitable for vehicle wheel hub bearing.
Background
The combined seal ring of the bearing is widely applied to a hub bearing unit for a vehicle due to the characteristics of compact structure, installation space saving, small frictional resistance, good self-sealing effect and the like. The sealing ring is an important component of the hub bearing, and the sealing structure of the sealing ring plays an important role in the sealing performance of the hub bearing. When the hub bearing works, the friction torque generated by the common sealing ring accounts for more than 50% of the total friction torque of the hub bearing, the torque performance of the hub bearing is seriously influenced, and meanwhile, the high friction torque has the risk that grease leaks from the sealing ring or pollutants enter the bearing, so that the sealing ring is abraded too fast, the sealing performance of the bearing is influenced, and the service life of the bearing is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a composite seal circle structure suitable for vehicle wheel hub bearing, this structure is through carrying out the design of novelty to composite seal circle lip structure, reduces the quantity and the contact magnitude of interference of contact lip, reduces friction torque under the sealing performance's that does not change composite seal circle structure prerequisite.
The purpose of the utility model can be realized by adopting the following technical scheme: a combined sealing ring structure suitable for a vehicle hub bearing comprises a sealing body framework and a water throwing ring; the sealing body framework and the water slinging ring are both of L-shaped structures in cross section shapes, and are symmetrically arranged and buckled with each other to form a cavity of a rectangular structure; a sealing ring main body is arranged in the cavity; the sealing ring main body is coated on the L-shaped vertical folded edge of the sealing body framework, and a sealing body contact lip is formed at the top of the sealing body main body; the seal ring main body axially and radially extends out of the seal body non-contact lip, the seal body non-contact lip B, the seal body contact lip and the non-contact lip A in the cavity respectively; the sealing body contact lip is in radial contact with the outer ring seal of the hub bearing; the outer inner diameter of the sealing ring main body and the outer diameter of the upper part of the water slinging ring form a labyrinth cavity A; a labyrinth cavity B is formed by combining the non-contact lip B of the sealing body and the inner diameter surface of the upper part of the water slinging ring; a labyrinth cavity C is formed between the non-contact lip B of the sealing body and the inner vertical surface of the water slinging ring; a labyrinth cavity D is formed between the non-contact lip of the sealing body and the inner diameter surface of the lower part of the water slinging ring; the sealing body contact lip is lapped on the side vertical face of the water slinging ring.
The cavity sealing structure of the rectangular structure is 5-15mm in height and 2-10mm in width; the thickness of the non-contact lip B of the sealing body is 0.2-2mm.
The axial size of the uterine cavity A is 1-14mm, and the radial size is 0.05-2mm; the axial size of the uterine cavity B is 0.05-12mm, and the radial size is 0.02-8mm; the axial size of the labyrinth cavity C is 0.02-8mm, and the radial size is 0.05-10mm; the axial size of the uterine cavity D is 0.1-10mm, and the radial size is 0.05-1mm.
The axial interference magnitude of the sealing body non-contact lip A and the water throwing ring is 0-3mm.
The interference magnitude of the matching between the sealing body contact lip and the hub bearing outer ring is 0-1.5mm.
The sealing body framework is made of carbon steel or stainless steel, and the water throwing ring is made of stainless steel.
The sealing ring main part is rubber material.
The beneficial effects of the utility model are that: the combined sealing ring is novel in structural design, and the phenomenon that the friction moment of an angle generated by the contact of a radial lip is larger is reduced by the contact of the axial rubber lip on the sealing ring main body and the side surface of the water throwing ring; through the labyrinth design, prevent outside muddy water, dust, impurity etc. inside getting into the bearing, can prevent simultaneously that lubricating grease in the bearing from leaking to the bearing outside to and adopt the sealed magnitude of interference of combination to reduce the friction torque of combination sealing washer, improved the life of bearing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 1. seal contact lip, 2, maze chamber A,3, maze chamber B,4, maze chamber C,5, seal contact lip, 6, get rid of the water ring, 7, maze chamber D,8, seal non-contact lip, 9, seal non-contact lip A,10, seal skeleton, 11, seal non-contact lip B,12, sealing washer main part.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, a combined seal ring structure suitable for a vehicle hub bearing comprises a seal body framework 10 and a water slinger 6; the cross sections of the sealing body framework 10 and the water slinging ring 6 are both L-shaped structures, and the sealing body framework 10 and the water slinging ring 6 are symmetrically arranged and buckled with each other to form a cavity with a rectangular structure; a sealing ring main body 12 is arranged in the cavity; the sealing ring main body 12 and the water throwing ring 6 are buckled with each other to form a combined sealing structure; the sealing ring main body 12 is coated on the L-shaped vertical folded edge of the sealing body framework 10, and a sealing body contact lip 1 is formed at the top of the sealing body main body; the seal ring main body 12 extends out of a seal body non-contact lip 8, a seal body non-contact lip B11, a seal body contact lip 5 and a seal body non-contact lip A9 in the cavity in the axial direction and the radial direction respectively; the sealing body is in contact with the lip 5, so that muddy water, dust and impurities are prevented from entering the bearing when the bearing is static or rotates; the sealing body contact lip 1 is in radial contact with the outer ring seal of the hub bearing; the outer inner diameter of the sealing ring main body 12 and the outer diameter of the upper part of the water slinging ring 6 are combined into a labyrinth cavity A2; the sealing body non-contact lip B11 and the upper inner diameter surface of the water slinging ring 6 are combined into a labyrinth cavity B3; a labyrinth cavity C4 is formed between the non-contact lip B11 of the sealing body and the inner vertical surface of the water slinging ring 6; a labyrinth cavity D7 is formed between the non-contact lip 8 of the sealing body and the inner diameter surface of the lower part of the water slinging ring 6; the sealing body contact lip 5 is lapped on the side elevation of the water slinging ring 6. The labyrinth cavity A2, the labyrinth cavity B3, the labyrinth cavity C4 and the labyrinth cavity D7 mainly form an air-tight labyrinth in the operation process to prevent muddy water, dust and impurities from entering the inside of the bearing; the cavity sealing structure of the rectangular structure is 5-15mm in height and 2-10mm in width; the lip thickness of the sealing body non-contact lip B11 is 0.2-2mm; the axial size of the uterine cavity A2 is 1-14mm, and the radial size is 0.05-2mm; the axial size of the uterine cavity B3 is 0.05-12mm, and the radial size is 0.02-8mm; the axial size of the uterine cavity C4 is 0.02-8mm, and the radial size is 0.05-10mm; the axial size of the uterine cavity D7 is 0.1-10mm, and the radial size is 0.05-1mm; the axial interference magnitude of the sealing body non-contact lip A9 and the water slinging ring 6 is 0-3mm; the matching interference magnitude of the sealing body contact lip 1 and the hub bearing outer ring is 0-1.5mm; the sealing interference magnitude is adopted to reduce the friction torque of the combined sealing ring, so that the sealing performance of the hub bearing is met, and the friction torque of the sealing ring can be reduced by more than 80%; the sealing body framework 10 is made of carbon steel or stainless steel, and the water slinging ring 6 is made of stainless steel; the sealing ring main body 12 is made of rubber.
The utility model discloses during the specific use, seal skeleton 10 forms the combined seal structure form with the mutual lock of water ring that gets rid of, seal contact lip 5 with get rid of the contact of 6 sides of water ring, in operation, seal contact lip 5 slides on getting rid of 6 sides of water ring, play the effect of manger plate, form labyrinth chamber with other non-contact lips, form airtight sealed effect when the wheel is rotatory, the moment that the seal ring axial lip produced is 20% of radial lip, through cutting the reducing radial lip, increase the labyrinth structure, thereby the starting friction moment and the rotational friction moment of combined seal circle have been reduced.
Above, only be the embodiment of the preferred of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art is in the technical scope disclosed in the present invention, and according to the technical solution of the present invention and the design of the present invention, all equivalent replacements or changes should be covered within the scope of protection of the present invention.
Claims (7)
1. A combined sealing ring structure suitable for a vehicle hub bearing comprises a sealing body framework (10) and a water throwing ring (6); the method is characterized in that: the cross sections of the sealing body framework (10) and the water slinging ring (6) are both L-shaped structures, and the sealing body framework (10) and the water slinging ring (6) are symmetrically arranged and are mutually buckled to form a cavity with a rectangular structure; a sealing ring main body (12) is arranged in the cavity; the sealing ring main body (12) is coated on the L-shaped vertical folded edge of the sealing body framework (10), and a sealing body contact lip (1) is formed at the top of the sealing body main body; the seal ring main body (12) axially and radially extends out of a seal body non-contact lip (8), a seal body non-contact lip B (11), a seal body contact lip (5) and a seal body non-contact lip A (9) in the cavity respectively; the sealing body contact lip (1) is in sealing radial contact with an outer ring of the hub bearing; the outer inner diameter of the sealing ring main body (12) and the outer diameter of the upper part of the water slinging ring (6) are combined into a labyrinth cavity A (2); the sealing body non-contact lip B (11) and the upper inner diameter surface of the water slinging ring (6) are combined into a labyrinth cavity B (3); a labyrinth cavity C (4) is formed between the non-contact lip B (11) of the sealing body and the inner vertical surface of the water slinging ring (6); a labyrinth cavity D (7) is formed between the non-contact lip (8) of the sealing body and the inner diameter surface of the lower part of the water slinging ring (6); the opening of the sealing body contact lip (1) is lapped on the side elevation of the water slinging ring (6).
2. The composite seal ring structure for a vehicle hub bearing according to claim 1, wherein: the cavity sealing structure of the rectangular structure is 5-15mm in height and 2-10mm in width; the lip thickness of the sealing body non-contact lip B (11) is 0.2-2mm.
3. The composite seal ring structure for a vehicle hub bearing according to claim 1, wherein: the axial size of the uterine cavity A (2) is 1-14mm, and the radial size is 0.05-2mm; the axial size of the uterine cavity B (3) is 0.05-12mm, and the radial size is 0.02-8mm; the axial size of the uterine cavity C (4) is 0.02-8mm, and the radial size is 0.05-10mm; the axial size of the uterine cavity D (7) is 0.1-10mm, and the radial size is 0.05-1mm.
4. The composite seal ring structure for a vehicle hub bearing according to claim 1, wherein: the axial interference magnitude of the sealing body non-contact lip A (9) and the water slinging ring (6) is 0-3mm.
5. The composite seal ring structure for a vehicle hub bearing according to claim 1, wherein: the interference of the sealing body contact lip (1) and the hub bearing outer ring is 0-1.5mm.
6. The composite seal ring structure for a vehicle hub bearing according to claim 1, wherein: the sealing body framework (10) is made of carbon steel or stainless steel, and the water slinging ring (6) is made of stainless steel.
7. The composite seal ring structure for a vehicle hub bearing according to claim 1, wherein: the sealing ring main body (12) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968530.1U CN217977361U (en) | 2022-07-28 | 2022-07-28 | Combined sealing ring structure suitable for vehicle hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968530.1U CN217977361U (en) | 2022-07-28 | 2022-07-28 | Combined sealing ring structure suitable for vehicle hub bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977361U true CN217977361U (en) | 2022-12-06 |
Family
ID=84282100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221968530.1U Active CN217977361U (en) | 2022-07-28 | 2022-07-28 | Combined sealing ring structure suitable for vehicle hub bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977361U (en) |
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2022
- 2022-07-28 CN CN202221968530.1U patent/CN217977361U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: China Patentee after: Luoyang LYC Automobile Bearing Technology Co.,Ltd. Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China Patentee before: Luoyang LYC Automobile Bearing Technology Co.,Ltd. |
|
| CP03 | Change of name, title or address |