CN203770416U - Bearing dustproof cover - Google Patents
Bearing dustproof cover Download PDFInfo
- Publication number
- CN203770416U CN203770416U CN201420176640.3U CN201420176640U CN203770416U CN 203770416 U CN203770416 U CN 203770416U CN 201420176640 U CN201420176640 U CN 201420176640U CN 203770416 U CN203770416 U CN 203770416U
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- CN
- China
- Prior art keywords
- dust
- annular protrusion
- cover
- proof
- bearing
- 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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Abstract
The utility model discloses a bearing dustproof cover. The bearing dustproof cover is characterized in that an air hole is formed in the middle of the dustproof cover; an air filtration plate is arranged in the air hole; the shape of the air filtration plate is adapted to the shape of the air hole; a circular dustproof baffle is arranged on one side of the dustproof cover; the dustproof baffle is fixedly connected with the dustproof cover through a plurality of connection columns which are arranged on the dustproof cover; a first annular protrusion coaxial with the air hole is formed in the surface of the dustproof cover, which is opposite to the dustproof baffle; a second annular protrusion concentric with the first annular protrusion is formed in the surface of the dustproof baffle, which is opposite to the dustproof cover; the first annular protrusion and the second annular protrusion are staggered; the height of the first annular protrusion is the same as the height of the second annular protrusion; and the height of the first annular protrusion is greater than the half of the distance between the dustproof cover and the dustproof baffle and less than the distance between the dustproof cover and the dustproof baffle. The bearing dustproof cover has the advantages of good dustproof effect and good ventilation effect.
Description
Technical field
The utility model relates to a kind of bearing, and more particularly, it relates to a kind of bearing dust-proof cover.
Background technique
Bearing is in mechanical transmission course, to work the parts of fixing and reducing load friction factor.Also can say, in the time that other parts produce relative movement each other on axle, be used for reducing the fixing parts of friction factor and retainer shaft central position in power transmission process.Bearing is a kind of very important component in contemporary machinery, and its major function is supported mechanical solid of rotation, the mechanical load friction factor in order to reduction equipment in transmission process.Bearing is a kind of widely used component of machine, no matter be aircraft, automobile, boats and ships, lathe, motor, or household electric appliance etc., every place that has swivel bearing, all be unable to do without bearing.
The existing bearing that is sheathed on shaft end generally can arrange a dust cover on its end face, dust cover generally can form and be sealed and matched with bearing outer ring, reach dustproof object, but such bearing heat dissipation potential is poor, bearing inside does not have circulation of air, heat is difficult for distributing, and often can make bearing operate under the condition of high temperature; If dust cover is not set, bearing is easily called in again impurity, damages bearing, has both had a strong impact on the working life of bearing.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of bearing dust-proof cover that had not only had good dust-proof effect but also had good air permeable effect.
For achieving the above object, the utility model provides following technological scheme: a kind of bearing dust-proof cover, comprise dust cover, described dust cover middle part is provided with vent, in described vent, be provided with the air filter plate suitable with vent shape, one side of described dust cover is provided with circular dust-proof guard, the attachment post that described dust-proof guard is arranged on dust cover by several is fixedly connected with dust cover, the face of the described relative dust-proof guard of dust cover is provided with first annular protrusion coaxial with vent, the face of the described relative dust cover of dust-proof guard is provided with the second annular protrusion with the first same axle center of annular protrusion, described the first annular protrusion and the second annular protrusion are crisscross arranged, the first described annular protrusion is identical with the height of the second annular protrusion, the height of the first described annular protrusion be greater than the distance of half between dust cover and dust-proof guard and be less than dust cover and dust-proof guard between distance.
The utility model is further set to: the copper filter screen that described air filter plate is made up of two powder metallurgy and the air-filtering cotton being clamped between two bronze medal filter screens form.
The utility model is further set to: another sidewall of the described relative dust-proof guard of dust cover is embedded with annular acoustical panel.
The utility model is further set to: described attachment post is at least provided with 4 and on dust cover, be circle distribution, and described dust cover, attachment post, dust-proof guard one connect.
The utility model is further set to: the attachment post of stating is cylindrical.
The utility model is further set to: the quantity that the first described annular protrusion is provided with the second multiple, described annular protrusions is identical with the first annular protrusion
The utility model is further set to: the one side of the described relative dust-proof guard of the first annular protrusion is arc surface, and the second described annular protrusion is identical with the cross section of the first annular protrusion.
By adopting technique scheme, this bearing dust-proof cover arranges the first annular protrusion on dust cover, the second annular protrusion is set on dust-proof guard, two annular protrusions can form the gas-entered passageway of multiple bendings, air is filtered for the first time, then enter the vent on dust cover, air filter plate in vent filters for the second time to air, outside impurity or dust are blocked in, only allow air pass through, when ensureing that this bearing dust-proof cover possesses good dirt exclusion capabilities, possesses again the function of good ventilation heat radiation, make to use the bearing of this bearing dust-proof cover under good state, to move, effectively improve the working life of bearing.
Brief description of the drawings
Fig. 1 is the utility model bearing dust-proof cover embodiment's structure sectional view;
Fig. 2 is the partial enlarged drawing of A in Fig. 1.
Reference character: 1, dust cover; 11, vent; 12, the first annular protrusion; 2, air filter plate; 21, copper filter screen; 22, air-filtering cotton; 3, dust-proof guard; 31, the second annular protrusion; 4, attachment post; 5, annular acoustical panel.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model bearing dust-proof cover embodiment is described further.
A kind of bearing dust-proof cover, comprise bearing inner race, bearing outer ring, rolling element and retainer, described bearing outer ring one side is removably connected with dust cover 1, described dust cover 1 middle part is provided with vent 11, in described vent 11, be provided with the air filter plate 2 suitable with vent 11 shapes, the opposite side of described dust cover 1 relative bearing outer ring is provided with circular dust-proof guard 3, the attachment post 4 that described dust-proof guard 3 is arranged on dust cover 1 by several is fixedly connected with dust cover 1, the face of described dust cover 1 relative dust-proof guard 3 is provided with first annular protrusion 12 coaxial with vent 11, the face of described dust-proof guard 3 relative dust covers 1 is provided with the second annular protrusion 31 with the first annular protrusion 12 same axle center, described the first annular protrusion 12 and the second annular protrusion 31 are crisscross arranged, the first described annular protrusion 12 is identical with the height of the second annular protrusion 31, the height of the first described annular protrusion 12 be greater than the distance of half between dust cover 1 and dust-proof guard 3 and be less than dust cover 1 and dust-proof guard 3 between distance.Wherein, the big or small length of several attachment posts 4 is all identical, make dust cover 1 and dust-proof guard 3 in parastate, distance between the two equates everywhere, being interspersed of the first annular protrusion 12 and the second annular protrusion 31 formed the structure of annulus cover annulus, make two annular protrusions can form the gas-entered passageway of multiple bendings, in the time that air enters dust cover 1 from outside, the passage capable of being of this bending filters for the first time to air, then enter the vent 11 on dust cover 1, air filter plate 2 in vent 11 filters for the second time to air, outside impurity or dust are blocked in, only allow air pass through, when ensureing that this bearing dust-proof cover possesses good dirt exclusion capabilities, possesses again the function of good ventilation heat radiation, make to use the bearing of this bearing dust-proof cover under good state, to move, effectively improve the working life of bearing.
On the edge of dust cover 1, phase dust-proof guard 3 forms projection dorsad, be configured for the annular joint being connected with bearing, in the time being connected with bearing, annular joint is connected with bearing seal like this, the sidewall of dust cover 1 and bearing just has certain gap, so just can allow air-flow pass through.
The copper filter screen 21 that air filter plate 2 is made up of two powder metallurgy and the air-filtering cotton 22 being clamped between two bronze medal filter screens 21 form.Air filter plate 2 is embedded in vent 11; stable connection; the copper filter screen 21 of being made up of powder metallurgy has good air purification effect; can prevent that ultrafine impurity particle from passing through; two such copper filter screens 21 can be strengthened such purifying effect; between two copper filter screens 21, put again one deck air-filtering cotton 22; so just can prevent that impurity particle or dust are by this air filter plate 2 completely; play fabulous dustproof effect; simultaneously again can allowing air flow, ensure the heat radiation of bearing.Simultaneously, another sidewall at dust cover 1 relative dust-proof guard 3 is embedded with annular acoustical panel 5, can play the effect of absorbing sound and lowering noise, coordinate (air-filtering cotton 22 also has good sound absorption) with the air-filtering cotton 22 in air filter plate 2, make this dust cover 1 possess again good sound-deadening and noise-reducing function, annular acoustical panel 5 coaxially arranges with through hole, and be embedded on the madial wall of dust cover 1, stable connection, annular acoustical panel 5 covers the place beyond whole sidewall treatment vent 11 as far as possible, make the useful area of annular acoustical panel 5 as far as possible large, improve sound absorbing power, annular acoustical panel 5.
Attachment post 4 is at least provided with 4 and be circle distribution on dust cover 1, and described dust cover 1, attachment post 4, dust-proof guard 3 one connect.Dust cover 1, attachment post 4, dust-proof guard 3 can integrated injection moldings, at least 4 attachment posts 4 and be circumference branch can effective guarantee dust cover 1 and dust-proof guard 3 between join strength, if dust cover 1 need to rotate with bearing simultaneously, attachment post 4 cross sections are preferably cylindrical, can reduce like this windage that dust cover 1 produces when rotated.
The quantity that the first annular protrusion 12 is provided with the second multiple, described annular protrusions 31 is identical with the first annular protrusion 12.The quantity of the first annular protrusion 12 and the second annular protrusion 31 is more, the structure that is annulus cover annulus is just more, so air passageways just has more bending, so just can better play and prevent that impurity particle from entering, play the effect of better purification, filtered air.Multiple annular protrusions have also played the effect that increases dust cover 1 and dust-proof guard 3 intensity simultaneously, have improved their working life.
The one side of the first annular protrusion 12 relative dust-proof guards 3 is arc surface, and the second described annular protrusion 31 is identical with the cross section of the first annular protrusion 12.In the time having particle or dust to drop on these annular protrusions, above arc surface can occasionally prevent that particle is attached to, make its automatic landing, simultaneously the sidewall of air passageways forms streamlinedly, can improve the fluency of air draught when logical.
Claims (7)
1. a bearing dust-proof cover, comprise dust cover, it is characterized in that: described dust cover middle part is provided with vent, in described vent, be provided with the air filter plate suitable with vent shape, one side of described dust cover is provided with circular dust-proof guard, the attachment post that described dust-proof guard is arranged on dust cover by several is fixedly connected with dust cover, the face of the described relative dust-proof guard of dust cover is provided with first annular protrusion coaxial with vent, the face of the described relative dust cover of dust-proof guard is provided with the second annular protrusion with the first same axle center of annular protrusion, described the first annular protrusion and the second annular protrusion are crisscross arranged, the first described annular protrusion is identical with the height of the second annular protrusion, the height of the first described annular protrusion be greater than the distance of half between dust cover and dust-proof guard and be less than dust cover and dust-proof guard between distance.
2. bearing dust-proof cover according to claim 1, is characterized in that: the copper filter screen that described air filter plate is made up of two powder metallurgy and the air-filtering cotton being clamped between two bronze medal filter screens form.
3. bearing dust-proof cover according to claim 2, is characterized in that: another sidewall of the described relative dust-proof guard of dust cover is embedded with annular acoustical panel.
4. according to the bearing dust-proof cover described in claim 1 or 3, it is characterized in that: described attachment post is at least provided with 4 and on dust cover, be circle distribution, described dust cover, attachment post, dust-proof guard one connect.
5. bearing dust-proof cover according to claim 4, is characterized in that: described attachment post is cylindrical.
6. bearing dust-proof cover according to claim 1 or 5, is characterized in that: the quantity that the first described annular protrusion is provided with the second multiple, described annular protrusions is identical with the first annular protrusion.
7. bearing dust-proof cover according to claim 6, is characterized in that: the one side of the described relative dust-proof guard of the first annular protrusion is arc surface, and the second described annular protrusion is identical with the cross section of the first annular protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176640.3U CN203770416U (en) | 2014-04-12 | 2014-04-12 | Bearing dustproof cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176640.3U CN203770416U (en) | 2014-04-12 | 2014-04-12 | Bearing dustproof cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203770416U true CN203770416U (en) | 2014-08-13 |
Family
ID=51287610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420176640.3U Expired - Fee Related CN203770416U (en) | 2014-04-12 | 2014-04-12 | Bearing dustproof cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203770416U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559308A (en) * | 2017-10-24 | 2018-01-09 | 无锡民联汽车零部件有限公司 | Dust cap heat radiating type ball bearing |
| CN107575494A (en) * | 2017-10-24 | 2018-01-12 | 无锡民联汽车零部件有限公司 | Heat type bearing is taken out in dust cap rotation |
| CN107725610A (en) * | 2017-10-12 | 2018-02-23 | 洛阳轴承研究所有限公司 | A kind of sealing ring and the bearing using the sealing ring |
| CN108766223A (en) * | 2018-04-03 | 2018-11-06 | 友达光电（苏州）有限公司 | Display device |
-
2014
- 2014-04-12 CN CN201420176640.3U patent/CN203770416U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725610A (en) * | 2017-10-12 | 2018-02-23 | 洛阳轴承研究所有限公司 | A kind of sealing ring and the bearing using the sealing ring |
| CN107725610B (en) * | 2017-10-12 | 2019-05-31 | 洛阳轴承研究所有限公司 | A kind of sealing ring and the bearing using the sealing ring |
| CN107559308A (en) * | 2017-10-24 | 2018-01-09 | 无锡民联汽车零部件有限公司 | Dust cap heat radiating type ball bearing |
| CN107575494A (en) * | 2017-10-24 | 2018-01-12 | 无锡民联汽车零部件有限公司 | Heat type bearing is taken out in dust cap rotation |
| CN108766223A (en) * | 2018-04-03 | 2018-11-06 | 友达光电（苏州）有限公司 | Display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140813 Termination date: 20170412 |