CN206636932U - Engine belt pulley idle pulley bearing unit - Google Patents
Engine belt pulley idle pulley bearing unit Download PDFInfo
- Publication number
- CN206636932U CN206636932U CN201720359147.9U CN201720359147U CN206636932U CN 206636932 U CN206636932 U CN 206636932U CN 201720359147 U CN201720359147 U CN 201720359147U CN 206636932 U CN206636932 U CN 206636932U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- bearing
- outer ring
- bearing unit
- ring body
- Prior art date
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of engine belt pulley idle pulley bearing unit, and it includes outer ring and bolt axle inner ring；Bolt axle inner ring includes inner ring body, supporting part and the end that is spirally connected, and supporting part is located at inner ring body and is spirally connected between end, and inner ring body, supporting part and the end that is spirally connected are formed in one；Spheroid and the retainer to keep spheroid not fall apart are provided between outer ring and inner ring body, the outside of outer ring is provided with housing.Bolt axle inner ring in the utility model bearing unit has the function of bearing inner race, support block and bolt, by the way that bearing inner race, bolt, support block three parts are integrated as bolt axle inner ring, avoid the error that three's mismatch error during because of installation have impact on bearing inner race and outer ring, so as to avoid influenceing the normal operation of bearing, and then avoid bearing initial failure.
Description
Technical field
It the utility model is related to shaft for engine and hold technical field, more particularly to a kind of engine belt pulley idle pulley bearing
Unit.
Background technology
With China's expanding economy, automobile industry development is rapid, and volume of production and marketing occupies the first in the world.In automobile engine skin
, it is necessary to change transmission direction using idle pulley in belt transmission system.As shown in figure 1, the idle pulley assembly is by bearing, support block
112nd, the part such as bolt 111, plastic housing 110 forms.Wherein, bearing includes outer ring 101, inner ring 102, steel ball 104 and retainer
107.Retainer is fixed by rivet 109, and sealing ring 168 is provided between inner ring and outer ring.
Bearing is fixed inner ring 102 and support block 112 on the engine by bolt 111, between support block and inner ring
Cooperation necessarily leads to error, causes inner ring and outer ring relative dislocation, and bearing is in nonideality work, causes idle pulley unit to hold
Easy initial failure.
Because operating ambient temperature is high, stir up a cloud of dust, rainwater is dripping, and bearing seal performance is poor, easily causes whole idle pulley
Easily there is initial failure in assembly.
For plastic housing on the bearing outer ring, there is one layer of antirust oil on bearing outer ring surface, and this causes the tight of plastic housing and outer ring
Patch property is poor, and when high speed rotates, easily produces slip with outer ring, cause idle pulley assembly initial failure.
Utility model content
The technical problems to be solved in the utility model is to overcome drawbacks described above existing for prior art, there is provided Yi Zhongfa
Motivation belt pulley idle pulley bearing unit.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of engine belt pulley idle pulley bearing unit, it includes outer ring and bolt axle inner ring；Bolt axle inner ring includes
Inner ring body, supporting part and the end that is spirally connected, supporting part inner ring body, supporting part and are spirally connected located at inner ring body and being spirally connected between end
End is formed in one；Be provided with spheroid and the retainer to keep spheroid not fall apart between outer ring and inner ring body, outer ring it is outer
Portion is provided with housing.
It is preferred that the outer surface of outer ring is provided with groove, the inner surface of housing is provided with projection, and projection is embedded at groove.
It is preferred that the surface of groove has annular knurl line.
It is preferred that groove is two, projection is two.
It is preferred that being additionally provided with sealing ring between outer ring and inner ring body, inner ring body, which has, to be used to be embedded the embedding of sealing ring
If groove.
It is preferred that it is three lips that sealing ring, which is embedded at the lip being embedded in groove,.
Positive effect of the present utility model is：Bolt axle inner ring has bearing inner race, support block and bolt
Function, by the way that bearing inner race, bolt, support block three parts are integrated as bolt axle inner ring, avoid three during because of installation
Mismatch error have impact on the error of bearing inner race and outer ring, so as to avoid influenceing the normal operation of bearing, and then avoid bearing early
Phase fails；Sealing ring is designed using three lips, and elastomeric material uses ACM, improves bearing seal ability and high temperature resistant
Aging ability, bearing is avoided because sealability causes bearing initial failure；Two grooves are designed by bearing outer ring external diameter, and
Bottom land is designed using annular knurl, increases the friction of outer ring and plastic jacket, avoid bearing outer ring and plastic jacket in belt external force and
Skidding is produced under hot conditions, so as to avoid bearing initial failure.
Brief description of the drawings
Fig. 1 is the structural representation of existing idle pulley assembly.
Fig. 2 is the structural representation of the utility model preferred embodiment.
Fig. 3 is part A enlarged diagram in Fig. 2.
Fig. 4 is part B enlarged diagram in Fig. 2.
Embodiment
Name preferred embodiment, and become apparent from intactly illustrating the utility model with reference to accompanying drawing.
As shown in Figure 2, Figure 3 and Figure 4, a kind of engine belt pulley idle pulley bearing unit, it includes outer ring 201 and bolt
Axle inner ring 202；Bolt axle inner ring 202 includes inner ring body 2021, supporting part 2022 and the end 2020 that is spirally connected, supporting part 2022 are located at
Inner ring body 2021 and it is spirally connected between end 2020, inner ring body 2021, supporting part 2022 and the end that is spirally connected 2020 are formed in one.
Spheroid 204 is provided between outer ring 201 and inner ring body 2021 and to keep the retainer that spheroid 204 does not fall apart
207, the outside of outer ring 201 is provided with housing 210.Housing is plastic housing.Spheroid is steel ball.Retainer 207 is solid by rivet 209
It is fixed.
Bolt axle inner ring has the function of bearing inner race, support block and bolt, by by bearing inner race, bolt, support
Block three parts are integrated as bolt axle inner ring, are avoided three's mismatch error during because of installation and be have impact on bearing inner race and outer ring
Error, so as to avoid influenceing the normal operation of bearing, and then avoid bearing initial failure.
The outer surface of outer ring 201 is provided with groove 2011, and the inner surface of housing 210 is provided with projection 2101, and projection 2101 is embedded
In groove 2011.The surface of groove has annular knurl line.Groove 2011 is two, and projection 2101 is two.
By designing two grooves in the external diameter of bearing outer ring, and the surface of groove is designed using annular knurl, increase is outer
The friction of circle and plastic housing, avoid bearing outer ring and produce skidding under belt external force and hot conditions with plastic housing, from
And avoid bearing initial failure.
Sealing ring 268 is additionally provided between outer ring 201 and inner ring body 2021, inner ring body 2021, which has, to be used to be embedded sealing
Circle 268 is embedded groove 2024.It is three lips that sealing ring 268, which is embedded at the lip being embedded in groove 2024,.
Sealing ring is designed using three lips, and the material of sealing ring use ACM, improve bearing seal ability with
Heat resistant ability, bearing is avoided because sealability causes bearing initial failure.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (6)
1. a kind of engine belt pulley idle pulley bearing unit, it is characterised in that it includes outer ring and bolt axle inner ring；Bolt axle
Inner ring includes inner ring body, supporting part and the end that is spirally connected, and supporting part is located at inner ring body and is spirally connected between end, inner ring body, support
Portion and the end that is spirally connected are formed in one；Spheroid and the retainer to keep spheroid not fall apart are provided between outer ring and inner ring body,
The outside of outer ring is provided with housing.
2. engine belt pulley as claimed in claim 1 idle pulley bearing unit, it is characterised in that the outer surface of outer ring is provided with
Groove, the inner surface of housing are provided with projection, and projection is embedded at groove.
3. engine belt pulley as claimed in claim 2 idle pulley bearing unit, it is characterised in that the surface of groove has rolling
Decorative pattern.
4. engine belt pulley as claimed in claim 2 idle pulley bearing unit, it is characterised in that groove is two, raised
For two.
5. engine belt pulley as claimed in claim 1 idle pulley bearing unit, it is characterised in that outer ring and inner ring body it
Between be additionally provided with sealing ring, inner ring body has be used to being embedded sealing ring to be embedded groove.
6. engine belt pulley as claimed in claim 5 idle pulley bearing unit, it is characterised in that sealing ring, which is embedded at, to be embedded
Lip in groove is three lips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720359147.9U CN206636932U (en) | 2017-04-06 | 2017-04-06 | Engine belt pulley idle pulley bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720359147.9U CN206636932U (en) | 2017-04-06 | 2017-04-06 | Engine belt pulley idle pulley bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636932U true CN206636932U (en) | 2017-11-14 |
Family
ID=60248574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720359147.9U Expired - Fee Related CN206636932U (en) | 2017-04-06 | 2017-04-06 | Engine belt pulley idle pulley bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223587A (en) * | 2018-03-15 | 2018-06-29 | 无锡华洋滚动轴承有限公司 | A kind of tension wheel shaft bearing structure |
-
2017
- 2017-04-06 CN CN201720359147.9U patent/CN206636932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223587A (en) * | 2018-03-15 | 2018-06-29 | 无锡华洋滚动轴承有限公司 | A kind of tension wheel shaft bearing structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191108 Address after: 201615 room 101-1, building 3, No. 1005, Jiuxin Road, Jiuting Town, Songjiang District, Shanghai Patentee after: Milling (Shanghai) Cutting Technology Co., Ltd Address before: 200122 Shanghai City, Pudong New Area Wanxiang town Hongxiang road 83 Lane No. 1-42 building 20 B zone, Room 201 Patentee before: Jisong (Shanghai) Drive Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20210406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |