CN201786939U - Efficient sealing ball bearing used for automobile tension wheel - Google Patents
Efficient sealing ball bearing used for automobile tension wheel Download PDFInfo
- Publication number
- CN201786939U CN201786939U CN2010202348825U CN201020234882U CN201786939U CN 201786939 U CN201786939 U CN 201786939U CN 2010202348825 U CN2010202348825 U CN 2010202348825U CN 201020234882 U CN201020234882 U CN 201020234882U CN 201786939 U CN201786939 U CN 201786939U
- Authority
- CN
- China
- Prior art keywords
- ring
- lip
- seal groove
- bearing
- seal
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
- F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
- F16C33/7846—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with a gap between the annular disc and the inner race
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to an efficient sealing ball bearing used for an automobile tension wheel, which comprises an outer ring, an inner ring, a seal ring, a steel ball and a holding frame, wherein three lips are arranged on the inner circumference of the seal ring and include an outer lip, an intermediate lip and an inner lip; a circumferential notch is formed on the inner side wall of the outer circumferential seal groove of the inner ring; the outer lip is in interference fit with the outer side wall of the outer circumferential seal groove; an air hole is formed at the margin of the outer lip; the intermediate lip is in clearance fit inside the outer circumferential seal groove; and the inner lip is in clearance fit inside the circumferential notch. The three lips are arranged on the inner circumference of the seal ring, the air hole is formed at the margin of the outer lip and the circumferential notch is formed on the inner side wall of the outer circumferential seal groove of the bearing inner ring, thereby keeping balance of air flows inside and outside the bearing and taking excellent sealing effect. The three lips combine with the inner ring of the bearing to form a labyrinth seal which can prevent the invasion of dust and the loss of lubricating grease.
Description
Technical field
The utility model relates to stuffing box bearing, relates in particular to the efficient sealed ball bearing of a kind of automobile expansion tightening wheel.
Background technique
Along with improving constantly of quality of life, people to life-span of vehicle driving and safe requirement thereof also in continuous raising.The life-span that vehicle uses is long more, and is also just higher to the life requirements of each parts of vehicle.The automobile expansion tightening wheel is connected with motor by belt, directly drive engine running, so the life-span of automobile expansion tightening wheel can have a strong impact on the life-span of motor car engine, and the life-span of expansion tightening wheel bearing has a strong impact on the life-span of expansion tightening wheel, so the performance of expansion tightening wheel bearing directly affects the working life of vehicle even the Security of operation.
Automobile expansion tightening wheel bearing generally adopts seal ball bearing, seal ball bearing is made up of outer ring, inner ring, seal ring, steel ball and retainer, outer ring and inner ring are provided with seal groove, the outer periphery of seal ring is pressed in the seal groove of outer ring, fix by interference fit, the inner periphery of seal ring is installed in the seal groove of inner ring, also has interference fit between them.The automobile expansion tightening wheel bearing of this structure of automobile expansion tightening wheel bearing; after using a period of time; seal ring wearing and tearing can occur under the situation of running up; the phenomenon that leakage of oil fat in actual moving process, occurs through regular meeting; and grease is the guarantee basis of bearing life; grease leaks the performance that can directly influence bearing, bearing was lost efficacy in advance, thereby influence the Security of automobile.
Summary of the invention
The utility model provides a kind of automobile expansion tightening wheel efficient sealed ball bearing at the problems referred to above, and this bearing seal is reliable, can reduce bearing leakage of oil fat phenomenon in use effectively.
According to the technical solution of the utility model: the efficient sealed ball bearing of a kind of automobile expansion tightening wheel, comprise outer ring, inner ring, seal ring, steel ball and retainer, the outer periphery of seal ring is engaged in the inner periphery seal groove of outer ring, and the inner periphery of seal ring is engaged in the outer periphery seal groove of inner ring; The inner periphery of described seal ring is provided with three lip limits, be respectively outer lip limit, middle lip limit and epipharynx limit, described outer periphery seal groove is two labyrinths slot type sealing configurations, and madial wall is provided with circumferential breach, the outer side wall interference fit of described outer lip limit and described outer periphery seal groove, described outer lip limit is provided with pore, and described middle lip clearance is engaged in the seal groove of described outer periphery, and described epipharynx limit Spielpassung is in described circumferential breach.
Described outer lip limit vertically is provided with, and described middle lip limit is obliquely installed described epipharynx limit cross setting.
Described pore is provided with more than one.
The inner periphery of the utility model seal ring is provided with three lip limits, the outer lip limit is provided with pore, the madial wall of bearing inner race outer periphery seal groove is provided with circumferential breach, by gap between lip limit and the inner ring and pore, the air balance that bearing is inside and outside, play good seal action, and can effectively reduce the temperature rise of bearing; Form the slot type sealing of two labyrinths between the interior collar dustproof groove of three lip limits and bearing, can alleviate the loss with lubricating grease of entering of dust.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A place enlarged view among Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
As shown in Figure 1 and Figure 2, the utility model is the efficient sealed ball bearing of a kind of automobile expansion tightening wheel, comprises outer ring 1, inner ring 2, seal ring 3, steel ball 4 and retainer 5.Outer ring 1 and inner ring 2 pass through to fix behind steel ball 4 and retainer 5 riveteds, and the outer periphery of seal ring 3 is engaged in the inner periphery seal groove of outer ring 1, fixes by interference fit, and effectively fixed seal ring 3, prevent that seal ring 3 from rotating.The inner periphery of seal ring 3 is engaged in the outer periphery seal groove 6 of inner ring 2, also has interference fit between the outer periphery seal groove 6 of the inner periphery of seal ring 3 and inner ring 2, can prevent effectively that lubricating grease is from the clearance leakage between seal ring 3 and the inner ring 2.
Improvements of the present utility model are: the inner periphery of seal ring 3 is provided with three lip limits, is respectively outer lip limit 8, middle lip limit 10 and epipharynx limit 12; The madial wall of the outer periphery seal groove 6 of bearing inner race 2 is provided with circumferential breach 11, and circumferentially breach 11 forms two labyrinths slot type sealing configuration with seal groove 6.The outer side wall interference fit of outer lip limit 8 and outer periphery seal groove 6, outer lip limit 8 is provided with pore 9, and pore 9 can also be provided with more than one; Middle lip limit 10 Spielpassung are in outer periphery seal groove 6; Epipharynx limit 12 Spielpassung are in circumferential breach 11.Matching with circumferential breach 11 in epipharynx limit 12, can increase the bearing volume inside, and can not cause retainer 5 to rub mutually with seal ring 3 epipharynx limits 12.
A preferred embodiment of the present utility model is: outer lip limit 8 vertically is provided with, and middle lip limit 10 is obliquely installed, epipharynx limit 12 cross settings.Certain three lip limits also can otherwise be provided with, such as all being obliquely installed.
Working principle of the present utility model: the bearing high temperature and high speed moves when changeing, reach an air pressure balance by pore on the gap a between seal ring 3 and the inner ring 2 and gap b and the seal ring 39 and atmosphere, play good seal action, and can effectively reduce the temperature rise of bearing; Form the slot type sealing of two labyrinths between the inner ring 2 of three lip limits and bearing, one reaches the effect that reduces temperature rise by increasing the bearing volume inside, and two can alleviate the loss with lubricating grease of entering of dust effectively.
The utility model both can prevent that dust and foreign material etc. from entering, also can stop lubricating grease to overflow, can also reduce the temperature rise of bearing inside, can reduce leakage of oil fat and temperature rise phenomenon that bearing in use occurs very effectively, guarantee the stable performance of bearing, promote the working life of bearing, thereby improve the working life of automobile expansion tightening wheel, guarantee the safe in utilization of vehicle.
Claims (3)
1. efficient sealed ball bearing of automobile expansion tightening wheel, comprise outer ring (1), inner ring (2), seal ring (3), steel ball (4) and retainer (5), the outer periphery of seal ring (3) is engaged in the inner periphery seal groove of outer ring (1), the inner periphery of seal ring (3) is engaged in the outer periphery seal groove (6) of inner ring (2), it is characterized in that: the inner periphery of described seal ring (3) is provided with three lip limits, be respectively outer lip limit (8), middle lip limit (10) and epipharynx limit (12), described outer periphery seal groove (6) is two labyrinths slot type sealing configurations, and madial wall is provided with circumferential breach (11), the outer side wall interference fit of described outer lip limit (8) and described outer periphery seal groove (6), described outer lip limit (8) is provided with pore (9), lip limit (10) Spielpassung is in described outer periphery seal groove (6) in described, and described epipharynx limit (12) Spielpassung is in described circumferential breach (11).
2. according to the efficient sealed ball bearing of the described automobile expansion tightening wheel of claim 1, it is characterized in that the vertical setting in described outer lip limit (8), described middle lip limit (10) is obliquely installed described epipharynx limit (12) cross setting.
3. according to claim 1 or the efficient sealed ball bearing of 2 described automobile expansion tightening wheels, it is characterized in that described pore (9) is provided with more than one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202348825U CN201786939U (en) | 2010-06-18 | 2010-06-18 | Efficient sealing ball bearing used for automobile tension wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202348825U CN201786939U (en) | 2010-06-18 | 2010-06-18 | Efficient sealing ball bearing used for automobile tension wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786939U true CN201786939U (en) | 2011-04-06 |
Family
ID=43818902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202348825U Expired - Fee Related CN201786939U (en) | 2010-06-18 | 2010-06-18 | Efficient sealing ball bearing used for automobile tension wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269223A (en) * | 2011-07-22 | 2011-12-07 | 常熟长城轴承有限公司 | Seal structure applied to bearing |
| CN106996422A (en) * | 2016-01-26 | 2017-08-01 | 株式会社捷太格特 | Rolling bearing |
| CN111520399A (en) * | 2020-04-20 | 2020-08-11 | 人本集团有限公司 | Novel deep groove ball bearing |
-
2010
- 2010-06-18 CN CN2010202348825U patent/CN201786939U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269223A (en) * | 2011-07-22 | 2011-12-07 | 常熟长城轴承有限公司 | Seal structure applied to bearing |
| CN106996422A (en) * | 2016-01-26 | 2017-08-01 | 株式会社捷太格特 | Rolling bearing |
| CN111520399A (en) * | 2020-04-20 | 2020-08-11 | 人本集团有限公司 | Novel deep groove ball bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGDU UNIMOTION BEARING CO., LTD. Free format text: FORMER NAME: WUXI SHEN'S PRECISION BEARING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 157 C, -10, Hubin Road, Binhu District, 214073, Jiangsu Patentee after: Jiangdu Unimotion Bearing Co., Ltd. Address before: 214073 C, -10, Hubin Road, Binhai District, Jiangsu, Wuxi, 157 Patentee before: Wuxi Shen's Precision Bearing Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214073, No. 157, C District, Hubin Road, Binhu District, Jiangsu, Wuxi, 10 Patentee after: Jiangsu linkage bearing Limited by Share Ltd Address before: 157 C, -10, Hubin Road, Binhu District, 214073, Jiangsu Patentee before: Jiangdu Unimotion Bearing Co., Ltd. |
|
| 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: 20110406 Termination date: 20180618 |