CN215805740U - Sealed hub bearing unit - Google Patents
Sealed hub bearing unit Download PDFInfo
- Publication number
- CN215805740U CN215805740U CN202121761648.2U CN202121761648U CN215805740U CN 215805740 U CN215805740 U CN 215805740U CN 202121761648 U CN202121761648 U CN 202121761648U CN 215805740 U CN215805740 U CN 215805740U
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- CN
- China
- Prior art keywords
- end cover
- bearing unit
- hub
- ring
- sealing
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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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 239000000428 dust Substances 0.000 claims abstract description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- -1 silt Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a sealed hub bearing unit which comprises a hub shaft, an outer ring, an inner ring, rollers and a retainer, wherein the retainer is arranged between the hub shaft and the outer ring and between the outer end of the outer ring and the outer end of the inner ring, two rollers which are symmetrical to each other are arranged in the retainer, a sealing device is arranged between the hub shaft and the outer ring, a dustproof cover is arranged between the inner ring and the outer ring, an end cover is further arranged on the left side of the bearing unit and connected with the hub shaft and the outer ring, a groove is further arranged at the upper end of the end cover, a pulse magnetic ring is arranged in the groove, and a sensor is arranged on the left side of the pulse magnetic ring. The sealed hub bearing unit provided by the utility model has the advantages that the entering of dust and dust is avoided, the sealing performance is good, and the speed, the number of rotation turns and the like of the bearing can be measured.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to a sealed hub bearing unit.
Background
The main function of the hub bearing (hub bearing) is to bear load and provide precise guidance for the rotation of the hub, and the hub bearing bears axial load and radial load and is a very important part. With the rapid development of the automobile industry, the hub bearing unit, which is an important component of the automobile, is also continuously updated and iterated. But the development of the existing hub bearing unit has not been adapted to the development of the times.
Because the hub bearing of the automobile has high requirements on durability and high reliability, besides the phenomenon that the fatigue failure of the raceway of the automobile bearing is avoided, the failure of a sealing element of the hub bearing is also a common failure mode, and the external dust, silt, dust and the like can enter the bearing to influence the service life of each part in the bearing; therefore, higher demands are made on the sealing performance of the hub bearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a sealed hub bearing unit which can prevent dust and dust from entering, has good sealing performance and can measure the speed, the number of turns and the like of a bearing.
In order to achieve the purpose, the utility model provides a sealed hub bearing unit which comprises a hub shaft, an outer ring, an inner ring, rollers and a retainer, wherein the retainer is arranged between the hub shaft and the outer ring and between the outer ring and the outer end of the inner ring, two rollers which are symmetrical to each other are arranged in the retainer, a sealing device is arranged between the hub shaft and the outer ring, a dustproof cover is arranged between the inner ring and the outer ring, an end cover is further arranged on the left side of the bearing unit and connected with the hub shaft and the outer ring, a groove is further arranged at the upper end of the end cover, a pulse magnetic ring is arranged in the groove, and a sensor is arranged on the left side of the pulse magnetic ring.
Preferably, the sealing device is a sealing ring, the sealing ring comprises an upper sealing lip, a sealing main body and a lower sealing lip, the upper sealing lip comprises a first lip, a second lip and a third lip, the outer ring is provided with a first built-in groove, the second lip is positioned in the first built-in groove, and the lower sealing lip is connected with the hub shaft; seal between with wheel hub axle and the outer lane through setting up the sealing washer, prevent entering such as dust, silt, dust, and then shorten the life-span of part, influence the normal operating of part.
Preferably, the dustproof cover comprises an upper dustproof cover, a dustproof main body and a lower dustproof cover, the upper dustproof cover is semicircular and is clamped with the outer ring, and the lower dustproof cover is L-shaped and is connected with the shoulder of the inner ring; water and steam etc. are prevented from entering the bearing.
Preferably, the end cover comprises an upper end cover, an end cover main body and a lower end cover, the upper end cover and the lower end cover are respectively and fixedly connected with the outer ring through bolts, and the end cover main body is fixedly connected with the hub shaft through bolts.
Preferably, the inner side of the end cover is provided with a sealing strip; and the sealing performance between the hub shaft and the inner ring is improved by matching with the dustproof cover.
Preferably, the upper end cover and the lower end cover are respectively provided with a convex block, the convex blocks are connected with the outer ring through bolts, the convex blocks and the sealing strips are mutually matched, the outer ring and the end cover are effectively connected, and the sealing performance is good.
Preferably, the end cover main body is provided with a second built-in groove, a fluorescent strip is arranged in the second built-in groove, and the fluorescent strip is clamped on two sides of the inner wall of the second built-in groove; even the setting through the phosphor strip can also find at the darker position of light, avoids losing.
The utility model has the beneficial effects that: the end cover is arranged, and the sensor is arranged on the end cover and can measure the speed and the revolution, so that the device is convenient and practical; the end cover is also provided with a sealing strip which is matched with the sealing device and the dustproof cover, so that the sealing performance of the utility model is improved; still set up the phosphor strip on the end cover, conveniently seek, avoid losing.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view at B in fig. 1.
In the figure: 1-hub shaft, 2-outer ring, 3-inner ring, 4-roller, 5-retainer, 6-sealing device, 61-upper sealing lip, 62-sealing main body, 63-lower sealing lip, 611-first lip, 612-second lip, 613-third lip, 21-built-in groove I, 7-dust cap, 71-upper dust cap, 72-dust cap, 73-lower dust cap, 8-end cap, 81-sealing strip, 82-upper end cap, 83-end cap main body, 84-lower end cap, 85-lug, 86-sensor and 831-fluorescent strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 3, the present invention provides a sealed hub bearing unit, which comprises a hub axle 1, an outer ring 2, an inner ring 3, rollers 4 and a retainer 5, wherein the retainer 5 is arranged between the hub axle 1 and the outer ring 2 and between the outer ends of the outer ring 2 and the inner ring 3, two rollers 4 are arranged in the retainer 5,
a sealing device 6 is further arranged between the hub shaft 1 and the outer ring 2, the sealing device 6 is a sealing ring, the sealing ring comprises an upper sealing lip 61, a sealing main body 62 and a lower sealing lip 63, the upper sealing lip 61 comprises a first lip 611, a second lip 612 and a third lip 613, a first built-in groove 21 is arranged on the left inner side of the outer ring 2, the second lip 612 is positioned in the first built-in groove 21, and the lower sealing lip 63 is connected with the hub shaft 1; the gap between the hub axle 1 and the outer race 2 is sealed.
Still be equipped with shield 7 between inner circle 3 and outer lane 2, shield 7 is formed by the steel sheet punching press, and shield 7 includes upper shield 71, dustproof main part 72 and lower shield 73, and upper shield 71 is semi-circular, with outer lane 2 joint, and lower shield 73 is "L" shape, is connected with the shoulder of inner circle 3, prevents that water and steam etc. from getting into in the bearing.
The left side of the bearing unit is also provided with an end cover 8, the end cover 8 is connected with the hub shaft 1 and the outer ring 2, the inner side of the end cover 8 is provided with a sealing strip 81 which is matched with the dustproof cover 7 to enhance the sealing performance between the inner ring 3 and the outer ring 2, the end cover 8 comprises an upper end cover 82, an end cover main body 83 and a lower end cover 84, the upper end cover 82 and the lower end cover 84 are respectively provided with a lug 85, the lug 85 is respectively fixedly connected with the outer ring 2 through bolts, and the end cover main body 83 is fixedly connected with the hub shaft 1 through bolts; a groove is formed in the upper end cover 82, a pulse magnetic ring is arranged in the groove, and a sensor 86 is arranged on the left side of the pulse magnetic ring and used for measuring the revolution number, the number of turns and the like of the bearing; the end cover main body 83 is provided with a second built-in groove, a fluorescent strip 831 is arranged in the second built-in groove, and the fluorescent strip 831 is clamped on two sides of the inner wall of the second built-in groove; the search is convenient, and the loss is avoided.
By adopting the technical scheme, the sealing performance of the utility model is obviously improved, dust and the like can be effectively prevented from entering, and meanwhile, the speed and the revolution can be measured, and the control is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a sealed wheel hub bearing unit, includes wheel hub axle, outer lane, inner circle, roller and holder, be equipped with the holder between wheel hub axle and the outer lane, between outer lane and the inner circle outer end, be equipped with two mutual symmetrical rollers in the holder, its characterized in that: the bearing unit is characterized in that a sealing device is arranged between the hub shaft and the outer ring, a dust cover is arranged between the inner ring and the outer ring, an end cover is further arranged on the left side of the bearing unit, the end cover is connected with the hub shaft and the outer ring, a groove is further formed in the upper end of the end cover, a pulse magnetic ring is arranged in the groove, and a sensor is arranged on the left side of the pulse magnetic ring.
2. The sealed hub-bearing unit of claim 1, wherein: the sealing device is a sealing ring, the sealing ring comprises an upper sealing lip, a sealing main body and a lower sealing lip, the upper sealing lip comprises a first lip, a second lip and a third lip, the outer ring is provided with a built-in groove I, the second lip is located in the built-in groove I, and the lower sealing lip is connected with the hub shaft.
3. The sealed hub-bearing unit of claim 1, wherein: the dustproof cover comprises an upper dustproof cover, a dustproof main body and a lower dustproof cover, the upper dustproof cover is semicircular and is clamped with the outer ring, and the lower dustproof cover is L-shaped and is connected with the shoulder of the inner ring.
4. The sealed hub-bearing unit of claim 3, wherein: the end cover comprises an upper end cover, an end cover main body and a lower end cover, the upper end cover and the lower end cover are respectively and fixedly connected with the outer ring through bolts, and the end cover main body is fixedly connected with the hub shaft through bolts.
5. The sealed hub-bearing unit of claim 4, wherein: and a sealing strip is arranged on the inner side of the end cover.
6. The sealed hub-bearing unit of claim 5, wherein: the upper end cover and the lower end cover are respectively provided with a convex block, and the convex blocks are connected with the outer ring through bolts.
7. The sealed hub-bearing unit of claim 4, wherein: the end cover main body is provided with a second built-in groove, a fluorescent strip is arranged in the second built-in groove, and the fluorescent strip is clamped on two sides of the inner wall of the second built-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761648.2U CN215805740U (en) | 2021-07-30 | 2021-07-30 | Sealed hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121761648.2U CN215805740U (en) | 2021-07-30 | 2021-07-30 | Sealed hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805740U true CN215805740U (en) | 2022-02-11 |
Family
ID=80127011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121761648.2U Active CN215805740U (en) | 2021-07-30 | 2021-07-30 | Sealed hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805740U (en) |
-
2021
- 2021-07-30 CN CN202121761648.2U patent/CN215805740U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A sealed wheel hub bearing unit Effective date of registration: 20231222 Granted publication date: 20220211 Pledgee: Shengzhou Sub-branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Zhejiang Lingtian Technology Co.,Ltd. Registration number: Y2023330003086 |