CN203189530U - Novel dustproof ball bearing with high rotating speed - Google Patents
Novel dustproof ball bearing with high rotating speed Download PDFInfo
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- CN203189530U CN203189530U CN 201320150670 CN201320150670U CN203189530U CN 203189530 U CN203189530 U CN 203189530U CN 201320150670 CN201320150670 CN 201320150670 CN 201320150670 U CN201320150670 U CN 201320150670U CN 203189530 U CN203189530 U CN 203189530U
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- bearing
- crimping
- sealing
- ring
- seal ring
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Abstract
The utility model provides a novel dustproof ball bearing with a high rotating speed. The novel dustproof ball bearing comprises a bearing body and a sealing structure, wherein the sealing structure comprises a turned edge surface cover and a sealing ring; an elastic turned edge which is clamped inside a sealing groove in the inner side of a bearing outer ring is formed at the outer edge of the turned edge surface cover; the inner edge of the turned edge surface cover extends to be close to a bearing inner ring; the outer edge of the sealing ring is connected to the inner side of the turned edge surface cover; a sealing lip which tipsily extends towards the axial outer side is formed on the inner edge of the sealing ring; the sealing lip elastically resists against and contacts the bearing inner ring. Thus, the novel dustproof ball bearing with the high rotating speed disclosed by the utility model breaks through a dual structure form of the sealing ring matched with a baffle ring in a traditional bearing sealing structure; the sealing ring is connected with the turned edge surface cover and fixed on the bearing outer ring by the turned edge surface cover; the sealing ring elastically resists against and contacts the bearing inner ring through the sealing lip, so as to achieve sealing of the internal part of the bearing. Compared with the prior art, the novel dustproof ball bearing is convenient to install, good in tightness, efficient to rotate, and suitable for the environment with high rotating speed and a lot of dust.
Description
Technical field
The utility model relates to field of bearings, is specifically related to a kind of high rotating speed and the novel ball bearing of dust-tight.
Background technique
In mechanical field, bearing is as working the parts of fixing and reducing the effect of load friction factor in the mechanical transmission course, in occupation of critical role.Wherein, ball bearing is modal in the rolling bearing, in use, will carry out sealing and dustproof to ball bearing usually and handle, and enters bearing inside with dust protection etc. and causes bearing failure.
Existing ball bearing adopts the dual structure of the back-up ring that adds seal ring and seal ring is positioned and protects between bearing outer ring and inner ring more on the market; good airproof performance; use also more extensive; but in actual use; this kind sealing configuration can cause the high rotating speed of sealing and dustproof and bearing to become a pair of contradictory factor; be that sealing is more good; seal ring is just more big to the friction torque of bearing; make bearing be difficult to be applicable to high rotating speed field, so this kind bearing (in the plank buffing machine at woodworking machinery) in requiring high rotating speed and dusty field environment just seems awkward.And mostly above-mentioned back-up ring and bearing inner race are to adopt interference fit to achieve a fixed connection; bearing outer ring does not have positioning step; and high rotating speed bearing requires brearing bore comparatively tight with cooperating of axle; therefore installation personnel can use copper coin etc. to knock bearing inner race in installation process, therefore, back-up ring can knock and shake under mobile; cause seal ring to can not get effectively fixing and protection; have a strong impact on sealing effect, and back-up ring and seal ring meeting phase mutual friction generation noise, influence is normally used.
Given this, this case the inventor further investigate the problems referred to above, has this case to produce then.
The model utility content
The purpose of this utility model be to provide a kind of easy for installation accurately, good airproof performance and have the little high rotating speed of less friction torque and the novel ball bearing of dust-tight.
In order to achieve the above object, the utility model adopts such technological scheme:
A kind of high rotating speed and the novel ball bearing of dust-tight comprise bearing body and sealing configuration; Described sealing configuration comprises the crimping cover of the annular of being located between bearing outer ring and the bearing inner race and the seal ring that links together with the crimping cover; The outer edge of described crimping cover is formed with the interior elasticity crimping of seal groove that correspondence snaps in the bearing outer ring inboard, and the inside edge of described crimping cover extends near bearing inner race; The outer edge of described seal ring is connected in the axial inboard of described crimping cover, and the inside edge of described seal ring is formed with to the sealing lip of the oblique extension in the axial outside, and the sealing lip is replaced with bearing inner race elasticity and contacted.
Above-mentioned elasticity crimping volume is to the axial outside.
Be formed with the holding cavity of ccontaining lubricant grease between the inside edge of above-mentioned sealing lip and above-mentioned crimping cover, be formed with between the inside edge of described crimping cover and the bearing inner race for bearing inner race and rotate and intercept the fine gap that lubricant grease flows out.
Above-mentioned crimping cover comprises above-mentioned elasticity crimping successively by outer edge to the inside edge, be connected with the elasticity crimping and to the tilting section of the oblique extension in the axial outside, and is connected with tilting section and planar section perpendicular to axial direction; The cross section of above-mentioned seal ring is the arc of indent vertically, and the outer edge of described seal ring is connected in described tilting section, and described seal ring is formed with groove in the axial inboard with described tilting section joint.
After adopting technique scheme, high rotating speed of the present utility model and the novel ball bearing of dust-tight, the duplex form that its seal ring of breaking through the traditional bearing sealing configuration cooperates with back-up ring, seal ring and crimping cover link together and are fixed on the bearing outer ring by the crimping cover, seal ring is replaced the sealing that contacts to realize to bearing inside by sealing lip and the elasticity of bearing inner race, the sealing lip resiliently deformable is strong, and is little to good airproof performance and the friction torque of bearing; And overcome and use the means of knocking that bearing is installed in to make when spool last interference be assemblied in back-up ring on the bearing inner race outer circumferential face to move and cause assembly error, and then influence sealing and produce the defective of friction noise, compared with prior art, high rotating speed of the present utility model and the novel ball bearing of dust-tight, it is easy for installation accurately, good airproof performance and to have less friction torque little, and temperature rise is low, rotate efficient, be particularly useful for high rotating speed and dusty environment, simple and reasonable, practical.
Further, the elasticity crimping is rolled up to the axial outside, and this structure is utilized the elasticity of elasticity crimping to be convenient to the elasticity crimping and taken advantage of a situation and snap in seal groove, and the axial outer of elasticity crimping can be stuck in the axial outer of seal groove, is difficult for deviating from, and is simple and reasonable, practical flexibly.
Further, holding cavity can be used for ccontaining lubricant grease, lubricant grease further reduces playing lubrication in the friction torque of sealing configuration to bearing, the adsorbable fine dust that enters from fine gap also, and it is inner and influence the normal operation of bearing to prevent that further dust from entering bearing; And when fine gap can prevent effectively that most of big dust from entering, also can intercept lubricant grease and flow out, guarantee the normal lubricating status of lubricant grease.
Description of drawings
Fig. 1 is cross-sectional schematic of the present utility model;
Fig. 2 is the structural representation of the utility model crimping cover;
Fig. 3 is the structural representation of another angle of the utility model crimping cover;
Structural representation when Fig. 4 does not have bearing outer ring for the utility model.
Among the figure:
1-bearing body 11-bearing outer ring
111-seal groove 12-bearing inner race
The 13-ball
2-sealing configuration 21-crimping cover
211-elasticity crimping 212-tilting section
The 213-planar section
22-seal ring 221-sealing lip
23-holding cavity 24-fine gap
The 25-groove
Embodiment
Be described in detail the technical solution of the utility model below by specific embodiment in order further to explain.
A kind of high rotating speed of the present utility model and the novel ball bearing of dust-tight shown in Fig. 1-4, comprise bearing body 1 and sealing configuration 2.
Improvements are that sealing configuration 2 comprises the crimping cover 21 of the annular of being located between bearing outer ring 11 and the bearing inner race and the seal ring 22 that links together with crimping cover 21; The outer edge of crimping cover 21 is formed with the elasticity crimping 211 in the seal groove 111 that correspondence snaps in bearing outer ring 11 inboards, and the inside edge of crimping cover 21 extends near bearing inner race 12; The outer edge of seal ring 22 is connected in the axial inboard of crimping cover 21, the inside edge of seal ring 22 is formed with the sealing lip 221 to the oblique extension in the axial outside, sealing lip 221 is replaced with bearing inner race 12 elasticity and is contacted, so, seal ring 22 links together with crimping cover 21 and is fixed on the bearing outer ring 11 by crimping cover 21, seal ring 22 is replaced the sealing that contacts to realize to place, ball 13 places, bearing inside by sealing lip 221 and the elasticity of bearing inner race 12, sealing lip 221 resiliently deformables are strong, good airproof performance and friction torque to bearing are little, can effectively guarantee the normal working of ball 13; And overcome and use the means of knocking that bearing is installed in to make when spool last interference be assemblied in back-up ring on bearing inner race 12 outer circumferential faces to move and cause assembly error, and then influence sealing and produce defectives such as friction noise, easy for installation accurately, good airproof performance and to have less friction torque little, temperature rise is low, rotate efficiently, be particularly useful for high rotating speed and dusty environment.
Preferably, elasticity crimping 211 volumes are to the axial outside, this structure is utilized the elasticity of elasticity crimping 211 to be convenient to elasticity crimping 21 and is taken advantage of a situation and snap in the seal groove 111, and the axial outer of elasticity crimping 211 can be stuck in the axial outer of seal groove 111, be difficult for deviating from, simple and reasonable, easily installation and reliable and stable, practical flexibly.
Preferably, be formed with the holding cavity 23 of ccontaining lubricant grease between the inside edge of sealing lip 221 and crimping cover 21, be formed with between the inside edge of crimping cover 21 and the bearing inner race 12 and supply bearing inner race 12 smooth and easy rotations and can intercept the fine gap 24 that lubricant grease flows out, holding cavity 23 can be used for ccontaining lubricant grease, lubricant grease is playing lubrication when further reducing the friction torque of 2 pairs of bearings of sealing configuration, the adsorbable fine dust that enters from fine gap 24 also, it is inner and influence the normal operation of bearing to prevent that further dust from entering bearing, effectively protects bearing; And when fine gap 24 can prevent effectively that most of big dust from entering, also can intercept lubricant grease and flow out, guarantee the normal lubricating status of lubricant grease.
For sealing configuration 2 integral body being carried out the rationality design, to bring into play its effect more efficiently, preferably, crimping cover 21 comprises elasticity crimping 211 successively by outer edge to the inside edge, be connected with elasticity crimping 211 and to the tilting section 212 of the oblique extension in the axial outside, and be connected with tilting section 212 and planar section 213 perpendicular to axial direction; The cross section of seal ring 22 is the arc of indent vertically, the outer edge of seal ring 22 is connected in tilting section 212, and seal ring 22 is formed with groove 25 in the axial inboard with tilting section 212 joints, this structure can make elasticity crimping 211 carry out the effect of power with sealing lip 221 relative supports, guarantee that elasticity crimping 211 snaps in dynamics and the intensity in the seal groove 111, give full play to the positioning action of elasticity crimping 211, and guarantee that sealing lip 221 elasticity are resisted against dynamics and the deformation extent on the bearing inner race 12, give full play to the sealability of sealing lip 221, and the cross section of arc and groove 25 all can strengthen the deformation performance of seal ring 22, further improve its sealability.
High rotating speed of the present utility model and the novel ball bearing of dust-tight, the shape and size of groove etc. can require to adjust and design according to reality; The concrete shape and size in seal ring cross section etc. can require to adjust and design according to reality; The angle of inclination of tilting section can require to adjust and design according to reality; The concrete shape in crimping cover cross section can require to adjust and design according to reality; The size of fine gap can require to adjust and design according to reality; The shape and size of holding cavity etc. can require to adjust and design according to reality; Concrete shape, extended length and the angles of inclination etc. of sealing lip can require to adjust and design according to reality; The Connecting format of seal ring and crimping cover can require to adjust and design according to reality, as gummed; The material of seal ring can be the material of existing seal ring, as rubber.
Product form of the present utility model is not limited to this case diagram and embodiment, and anyone carries out suitable variation or the modification of similar thinking to it, all should be considered as not breaking away from patent category of the present utility model.
Claims (5)
1. a high rotating speed and the novel ball bearing of dust-tight comprise bearing body and sealing configuration; It is characterized in that: described sealing configuration comprises the crimping cover of the annular of being located between bearing outer ring and the bearing inner race and the seal ring that links together with the crimping cover; The outer edge of described crimping cover is formed with the interior elasticity crimping of seal groove that correspondence snaps in the bearing outer ring inboard, and the inside edge of described crimping cover extends near bearing inner race; The outer edge of described seal ring is connected in the axial inboard of described crimping cover, and the inside edge of described seal ring is formed with to the sealing lip of the oblique extension in the axial outside, and the sealing lip is replaced with bearing inner race elasticity and contacted.
2. a kind of high rotating speed according to claim 1 and the novel ball bearing of dust-tight is characterized in that: above-mentioned elasticity crimping volume is to the axial outside.
3. a kind of high rotating speed according to claim 1 and 2 and the novel ball bearing of dust-tight, it is characterized in that: be formed with the holding cavity of ccontaining lubricant grease between the inside edge of above-mentioned sealing lip and above-mentioned crimping cover, be formed with between the inside edge of described crimping cover and the bearing inner race for bearing inner race and rotate and intercept the fine gap that lubricant grease flows out.
4. a kind of high rotating speed according to claim 3 and the novel ball bearing of dust-tight, it is characterized in that: above-mentioned crimping cover comprises above-mentioned elasticity crimping successively by outer edge to the inside edge, be connected with the elasticity crimping and to the tilting section of the oblique extension in the axial outside, and be connected with tilting section and planar section perpendicular to axial direction; The cross section of above-mentioned seal ring is the arc of indent vertically, and the outer edge of described seal ring is connected in described tilting section, and described seal ring is formed with groove in the axial inboard with described tilting section joint.
5. a kind of high rotating speed according to claim 1 and 2 and the novel ball bearing of dust-tight, it is characterized in that: above-mentioned crimping cover comprises above-mentioned elasticity crimping successively by outer edge to the inside edge, be connected with the elasticity crimping and to the tilting section of the oblique extension in the axial outside, and be connected with tilting section and planar section perpendicular to axial direction; The cross section of above-mentioned seal ring is the arc of indent vertically, and the outer edge of described seal ring is connected in described tilting section, and described seal ring is formed with groove in the axial inboard with described tilting section joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150670 CN203189530U (en) | 2013-03-28 | 2013-03-28 | Novel dustproof ball bearing with high rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320150670 CN203189530U (en) | 2013-03-28 | 2013-03-28 | Novel dustproof ball bearing with high rotating speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189530U true CN203189530U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320150670 Expired - Fee Related CN203189530U (en) | 2013-03-28 | 2013-03-28 | Novel dustproof ball bearing with high rotating speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145601A (en) * | 2019-06-18 | 2019-08-20 | 深圳市佳易研磨有限公司 | A kind of polisher lapper main shaft sealing construction |
| CN113494522A (en) * | 2021-07-20 | 2021-10-12 | 人本股份有限公司 | Rolling bearing capable of automatically eliminating installation inclination angle |
-
2013
- 2013-03-28 CN CN 201320150670 patent/CN203189530U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145601A (en) * | 2019-06-18 | 2019-08-20 | 深圳市佳易研磨有限公司 | A kind of polisher lapper main shaft sealing construction |
| CN113494522A (en) * | 2021-07-20 | 2021-10-12 | 人本股份有限公司 | Rolling bearing capable of automatically eliminating installation inclination angle |
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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: Novel dustproof ball bearing with high rotating speed Effective date of registration: 20180115 Granted publication date: 20130911 Pledgee: Agricultural Bank of China Limited by Share Ltd. Nanan branch Pledgor: FUJIAN FUSHAN BEARING Co.,Ltd. Registration number: 2018990000042 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |