CN204628319U - A kind of second generation heavy load truck hub bearing - Google Patents
A kind of second generation heavy load truck hub bearing Download PDFInfo
- Publication number
- CN204628319U CN204628319U CN201520344096.3U CN201520344096U CN204628319U CN 204628319 U CN204628319 U CN 204628319U CN 201520344096 U CN201520344096 U CN 201520344096U CN 204628319 U CN204628319 U CN 204628319U
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- ring
- skeleton
- rings
- hub bearing
- rolling element
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Abstract
A kind of second generation heavy load truck hub bearing, belong to automobile hub bearing field, comprise inner ring assembly, outer ring assembl, rolling element, lubricating structure and sealing mechanism, inner ring assembly comprises snap close, the inner ring that back-up ring is connected side by side with two axis, outer ring assembl comprise two outer rings respectively correspondence be set in two inner rings, form rolling element holding cavity between each inner ring and outer ring and supported by retainer and rolling element is installed, sealing mechanism comprises two black boies and is arranged at the outer end of two outer rings respectively, black box comprises seal ring, the first skeleton be oppositely arranged and the second skeleton, lubricating structure comprises two gear alicyclic rings, two gear alicyclic rings respectively fixed cover to be loaded on two inner rings and to be positioned at the both sides of back-up ring, each gear alicyclic ring comprises interior pipe portion, annular portion and outer pipe portion and forms an annular groove grease chamber, makes rolling element holding cavity, annular groove grease chamber formation closed shape.Solve the problem that existing hub bearing of truck maintenance cost is higher, working life is shorter.
Description
Technical field
The utility model belongs to automobile hub bearing field, especially relevant with a kind of second generation heavy load truck hub bearing.
Background technique
The Main Function of hub bearing of truck is load-bearing and provides accurate guiding for the rotation of wheel hub, and it not only bears thrust load but also bear radial load, is very important component, and therefore hub bearing of truck requires that high-bearing capacity, dust-proof anti-corrosion capacity are strong.Hub bearing of truck common is at present normally easily contaminated in use for some time, therefore often needs to be serviced, and add grease to Bearing inner, make maintenance cost higher, working life is shorter.
Model utility content
The purpose of this utility model is intended to overcome the defect that existing hub bearing of truck maintenance cost is higher, working life is shorter, provides the second generation heavy load truck hub bearing of a kind of high lubricating effect, not easily contaminated, long service life.
For this reason, the utility model is by the following technical solutions: a kind of second generation heavy load truck hub bearing, comprise inner ring assembly, outer ring assembl and rolling element, the described rolling element of two row is fixed with by retainer between inner ring assembly and outer ring assembl, inner ring assembly comprises two inner rings, snap close and back-up ring, two inner rings are coaxially set up in parallel and the internal connection of two inner rings is fixedly connected with by snap close, described back-up ring fixed cover is loaded on the external connections of described two inner rings, described outer ring assembl comprises two outer rings arranged that keep at a certain distance away, two outer rings are corresponding is respectively set in two described inner rings, rolling element holding cavity is formed between each inner ring and outer ring of its correspondence, supported by retainer in this rolling element holding cavity and described rolling element is installed, it is characterized in that, described hub bearing also comprises lubricating structure and sealing mechanism, described sealing mechanism comprises two black boies, two black boies are arranged at the outer end of described two outer rings respectively, each black box comprises seal ring, the first skeleton be oppositely arranged and the second skeleton, first skeleton and the second skeleton are L shape, comprise axial direction part and radial section respectively, the axial direction part fixed cover of the first skeleton is loaded on described inner ring outer end, the radial section of the first skeleton radially outwards overhangs shape, the axial direction part of the second described skeleton is fixed on the outer end of institute outer ring, the radial section of the second skeleton radially inwardly overhangs shape, described seal ring is coated on the both sides end face of the radial section of described second skeleton, seal ring is provided with three sealing lips, wherein two panels sealing lip axial elasticity is resisted against the inner side end of described first skeleton radial section, another sheet sealing lip radial elastic is resisted against on the outer side surface of the axial direction part of described first skeleton, play sealing, dustproof effect, described lubricating structure comprises two gear alicyclic rings, two gear alicyclic rings respectively fixed cover to be loaded on two described inner rings and to be positioned at the both sides of described back-up ring, each gear alicyclic ring comprises an annular portion and this annular portion internal diameter and external diameter axially extended interior pipe portion and outer pipe portion respectively, interior pipe portion fixed cover is loaded on described inner ring, outer pipe portion touch be resisted against described outer ring interior edge face on, interior pipe portion, annular portion and outer pipe portion form an annular groove grease chamber, the opening in this annular groove grease chamber is towards the rolling element holding cavity between inner ring corresponding to this gear alicyclic ring and outer ring, make rolling element holding cavity, annular groove grease chamber is communicated with and forms closed shape, annular groove grease chamber is filled with grease, continuous lubrication effect is provided to bearing.
As to technique scheme supplement and perfect, the utility model also comprises following technical characteristics.
Described annular portion, interior pipe portion and outer pipe portion are one-body molded.
The chamber wall in described annular groove grease chamber is provided with stiffening rib, to the intensity improving gear alicyclic ring.
Described hub bearing also comprises an annular gasket and a pressing plate, annular gasket mounts cover on the inner ring end face of described one end, the bore axes of annular gasket is to extending to form an annular protrusion, annular protrusion is flush-mounted in the internal diameter of described inner ring, pressing plate press-fits the other end in described annular gasket, when hub bearing is in the series of processes such as processing and packaging, transport, prevent the end face run out bearing.
Be respectively arranged with O-ring seal between the outer wall of described back-up ring inwall and described two inner rings, play seal action.
The utility model can reach following beneficial effect: by arranging gear alicyclic ring and sealing mechanism, the grease of a part can be stored in the annular groove grease chamber of gear alicyclic ring, lasting fuel feeding is carried out to the rolling element of Bearing inner, safeguard after not needing to use a period of time, decrease maintenance cost, improve dust-proof anti-corrosion capacity, extend the working life of bearing.
Accompanying drawing explanation
Fig. 1 is the utility model generalized section.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figure 1, the utility model comprises inner ring assembly, outer ring assembl, rolling element 2, lubricating structure and sealing mechanism 3, annular gasket 8 and pressing plate 9, inner ring assembly comprises two inner rings 1, snap close 7 and back-up ring 6, two inner rings 1 are coaxially set up in parallel and the internal connection of two inner rings 1 is fixedly connected with by snap close 7, described back-up ring 6 fixed cover is loaded on the external connections of described two inner rings 1, O-ring seal is respectively arranged with between the outer wall of described back-up ring 6 inwall and described two inner rings 1, described outer ring assembl comprises two outer rings 4 arranged that keep at a certain distance away, two outer rings 4 are corresponding is respectively set in two described inner rings 1, rolling element holding cavity is formed between the outer ring 4 of each inner ring 1 and its correspondence, supported by retainer in this rolling element holding cavity and described rolling element 2 is installed, described sealing mechanism 3 comprises two black boies, two black boies are arranged at the outer end of described two outer rings 4 respectively, each black box comprises seal ring, the first skeleton be oppositely arranged and the second skeleton, first skeleton and the second skeleton are L shape, comprise axial direction part and radial section respectively, the axial direction part fixed cover of the first skeleton is loaded on described inner ring 1 outer end, the radial section of the first skeleton radially outwards overhangs shape, the axial direction part of the second described skeleton is fixed on the outer end of institute outer ring 4, the radial section of the second skeleton radially inwardly overhangs shape, described seal ring is coated on the both sides end face of the radial section of described second skeleton, seal ring is provided with three sealing lips, wherein two panels sealing lip axial elasticity is resisted against the inner side end of described first skeleton radial section, another sheet sealing lip radial elastic is resisted against on the outer side surface of the axial direction part of described first skeleton, play sealing, dustproof effect, described lubricating structure comprises two gear alicyclic rings 5, two gear alicyclic rings 5 respectively fixed cover to be loaded on two described inner rings 1 and to be positioned at the both sides of described back-up ring 6, each gear alicyclic ring 5 comprises an annular portion and this annular portion internal diameter and external diameter axially extended interior pipe portion and outer pipe portion respectively, annular portion, interior pipe portion and outer pipe portion one-body molded, interior pipe portion fixed cover is loaded on described inner ring 1, outer pipe portion touch be resisted against described outer ring 4 interior edge face on, interior pipe portion, annular portion and outer pipe portion form an annular groove grease chamber, the chamber wall in annular groove grease chamber is provided with stiffening rib, the opening in this annular groove grease chamber is towards the rolling element holding cavity between the inner ring 1 and outer ring 4 of this gear alicyclic ring 5 correspondence, make rolling element holding cavity, annular groove grease chamber is communicated with and forms closed shape, annular groove grease chamber is filled with grease, continuous lubrication effect is provided to bearing, described annular gasket 8 mounts cover on inner ring 1 end face of described one end, the bore axes of annular gasket 8 is to extending to form an annular protrusion, annular protrusion is flush-mounted in the internal diameter of described inner ring 1, pressing plate 9 press-fits the other end in described annular gasket 8, when hub bearing is in processing and packaging, in the series of processes such as transport, by installing annular gasket 8 and pressing plate 9, prevent the end face run out bearing, when reality uses hub bearing, annular gasket 8 and pressing plate 9 are pulled down.
Claims (5)
1. a second generation heavy load truck hub bearing, comprise inner ring assembly, outer ring assembl and rolling element, inner ring assembly comprises two inner rings, snap close and back-up ring, two inner rings are coaxially set up in parallel and the internal connection of two inner rings is fixedly connected with by snap close, described back-up ring fixed cover is loaded on the external connections of described two inner rings, described outer ring assembl comprises two outer rings arranged that keep at a certain distance away, two outer rings are corresponding is respectively set in two described inner rings, rolling element holding cavity is formed between each inner ring and outer ring of its correspondence, supported by retainer in this rolling element holding cavity and described rolling element is installed, it is characterized in that: described hub bearing also comprises lubricating structure and sealing mechanism, described sealing mechanism comprises two black boies, two black boies are arranged at the outer end of described two outer rings respectively, each black box comprises seal ring, the first skeleton be oppositely arranged and the second skeleton, first skeleton and the second skeleton are L shape, comprise axial direction part and radial section respectively, the axial direction part fixed cover of the first skeleton is loaded on described inner ring outer end, the radial section of the first skeleton radially outwards overhangs shape, the axial direction part of the second described skeleton is fixed on the outer end of institute outer ring, the radial section of the second skeleton radially inwardly overhangs shape, described seal ring is coated on the both sides end face of the radial section of described second skeleton, seal ring is provided with three sealing lips, wherein two panels sealing lip axial elasticity is resisted against the inner side end of described first skeleton radial section, another sheet sealing lip radial elastic is resisted against on the outer side surface of the axial direction part of described first skeleton, described lubricating structure comprises two gear alicyclic rings, two gear alicyclic rings respectively fixed cover to be loaded on two described inner rings and to be positioned at the both sides of described back-up ring, each gear alicyclic ring comprises an annular portion and this annular portion internal diameter and external diameter axially extended interior pipe portion and outer pipe portion respectively, interior pipe portion fixed cover is loaded on described inner ring, outer pipe portion touch be resisted against described outer ring interior edge face on, interior pipe portion, annular portion and outer pipe portion form an annular groove grease chamber, the opening in this annular groove grease chamber is towards the rolling element holding cavity between inner ring corresponding to this gear alicyclic ring and outer ring, make rolling element holding cavity, annular groove grease chamber is communicated with and forms closed shape.
2. a kind of second generation heavy load truck hub bearing according to claim 1, is characterized in that: described annular portion, interior pipe portion and outer pipe portion are one-body molded.
3. a kind of second generation heavy load truck hub bearing according to claim 2, is characterized in that: the chamber wall in described annular groove grease chamber is provided with stiffening rib.
4. a kind of second generation heavy load truck hub bearing according to claim 3, it is characterized in that: described hub bearing also comprises an annular gasket and a pressing plate, annular gasket mounts cover on the inner ring end face of described one end, the bore axes of annular gasket is to extending to form an annular protrusion, annular protrusion is flush-mounted in the internal diameter of described inner ring, and pressing plate press-fits the other end in described annular gasket.
5. a kind of second generation heavy load truck hub bearing according to claim 4, is characterized in that: be respectively arranged with O-ring seal between the outer wall of described back-up ring inwall and described two inner rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344096.3U CN204628319U (en) | 2015-05-25 | 2015-05-25 | A kind of second generation heavy load truck hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520344096.3U CN204628319U (en) | 2015-05-25 | 2015-05-25 | A kind of second generation heavy load truck hub bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204628319U true CN204628319U (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520344096.3U Expired - Fee Related CN204628319U (en) | 2015-05-25 | 2015-05-25 | A kind of second generation heavy load truck hub bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204628319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035766A (en) * | 2016-12-23 | 2017-08-11 | 瓦房店轴承集团有限责任公司 | Heavy truck lengthens inner ring taper roll bearing |
| CN109915488A (en) * | 2017-12-12 | 2019-06-21 | 斯凯孚公司 | Wheel bearing unit and method for manufacturing wheel bearing unit |
| CN110228500A (en) * | 2018-03-06 | 2019-09-13 | 斯凯孚公司 | Bear box and the bogie for rail vehicle including this shell |
-
2015
- 2015-05-25 CN CN201520344096.3U patent/CN204628319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107035766A (en) * | 2016-12-23 | 2017-08-11 | 瓦房店轴承集团有限责任公司 | Heavy truck lengthens inner ring taper roll bearing |
| CN109915488A (en) * | 2017-12-12 | 2019-06-21 | 斯凯孚公司 | Wheel bearing unit and method for manufacturing wheel bearing unit |
| CN110228500A (en) * | 2018-03-06 | 2019-09-13 | 斯凯孚公司 | Bear box and the bogie for rail vehicle including this shell |
| CN110228500B (en) * | 2018-03-06 | 2023-08-18 | 斯凯孚公司 | Bearing housing and bogie for a rail vehicle comprising such a housing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Second generation heavy load truck hub bearing Effective date of registration: 20160711 Granted publication date: 20150909 Pledgee: Xinchang Zhejiang rural commercial bank Limited by Share Ltd Pledgor: Xinchang Kaiyuan Automobile Bearings Co., Ltd. Registration number: 2016990000590 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| 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: 20150909 Termination date: 20210525 |