CN203670476U - Low-friction bearing - Google Patents
Low-friction bearing Download PDFInfo
- Publication number
- CN203670476U CN203670476U CN201420033923.2U CN201420033923U CN203670476U CN 203670476 U CN203670476 U CN 203670476U CN 201420033923 U CN201420033923 U CN 201420033923U CN 203670476 U CN203670476 U CN 203670476U
- Authority
- CN
- China
- Prior art keywords
- retainer
- ball
- balls
- bearing
- needle roller
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a low-friction bearing. The key point of the technical scheme is that a retainer comprises a first retainer and a second retainer, wherein the first retainer is provided with semi-circular ball cavities identical to balls in number, one side of the first retainer opposite to the ball cavities is provided with roller pin through holes, the first retainer and the second retainer are completely identical, the opposite sides provided with the ball cavities of the first retainer and the second retainer are fixedly connected, roller pins are arranged in the roller pin through holes, the sides of the roller pins opposite to the balls are provided with round cap bodies, and the arc surfaces of the round cap bodies are matched with the surfaces of the balls and adhere to the balls. The balls in the ball cavities adhere to the roller pins on the side and are not in contact with the retainers, the balls drive the roller pins when rolling, the roller pins roll in the roller pin through holes to enable the balls not to be in contact with the retainers during rolling, friction between the balls and the retainers is avoided, and the service life of the balls can be prolonged.
Description
Technical field
The utility model relates to a kind of bearing, and more particularly, it relates to a kind of low frictional torque bearing.
Background technique
Bearing application in the machinery of rotation is very extensive, retainer in bearing is that the operation of bearing plays a significantly greater role, it can guide ball to remain on fixing raceway, make ball keep spacing to prevent collision and friction between ball, effectively prevent ball landing, but can there is larger friction with retainer in ball, Rolling velocity is slowed down in the time of high speed scroll, generation heat is large, makes ball wearing and tearing aggravation.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of speed piece, heat production is few, little low frictional torque bearing rubs.
For achieving the above object, the utility model provides following technological scheme: a kind of described retainer comprises the first retainer, the second retainer, described the first maintenance adds and is provided with the semicircle ball chamber identical with ball number, the first relative side keeping of described ball chamber is provided with needle roller through hole, described the first retainer is identical with the second retainer, described the first retainer and the second retainer are to be provided with relative being fixedly connected with of ball chamber one side, described needle roller through hole is provided with needle roller, relative ball one side of described needle roller is provided with circular lid, described circular lid arc surface and ball surface are suitable, circular lid arc surface is attached on ball.
By adopting technique scheme, ball is fitted with the needle roller of side in ball chamber, and do not contact with retainer, in the time that rolling, ball drives needle roller, needle roller rolls in needle roller through hole, when ball is rolled, also do not contact with retainer, avoided the friction of ball and retainer, make the life-span of ball longer.
The utility model is further set to: between described ball chamber, be provided with lubricant oil cavity, described lubricant oil cavity is provided with the lubricant oil through hole communicating with ball chamber.
By adopting technique scheme, making bearing can be ball interpolation lubricant oil voluntarily, makes ball make to reduce in rolling and rubs, and need not usually pull down bearing and add lubricant oil.
The utility model is further set to: the first retainer side between described needle roller through hole is provided with fixed via, and fixed via is provided with rivet.
By adopting technique scheme, use rivet join strength large, can make the first retainer be connected with the second retainer tightr, improve ball and in ball chamber, rolled steadily, thereby reduced noise, raising speed.
The utility model is further set to: described ball is at least 8, and ball is evenly distributed on retainer.
By adopting technique scheme, 8 balls can effectively guarantee the structural strength of bearing, the assurance of distribution average effective bearing steadily.
Accompanying drawing explanation
Fig. 1 is the utility model low frictional torque bearing embodiment's explosive view;
Fig. 2 is the utility model low frictional torque bearing embodiment's sectional view;
Fig. 3 is the utility model low frictional torque bearing embodiment's needle roller stereogram;
Fig. 4 is the first retainer sectional view of the utility model low frictional torque bearing embodiment.
Reference character: 1, bearing outer ring; 2, bearing inner race; 3, ball; 4, the first retainer; 5, the second retainer; 6, needle roller; 7, ball chamber; 8, needle roller through hole; 9, fixed via; 10, rivet; 11, circular lid; 12, lubricant oil cavity; 13, lubricant oil through hole.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model low frictional torque bearing embodiment is described further.
A kind of low frictional torque bearing, comprise bearing outer ring 1, bearing inner race 2, ball 3, retainer, described ball 3 is arranged between bearing outer ring 1 and bearing inner race 2, described bearing outer ring 1 coaxially arranges with bearing inner race 2, described retainer is arranged on ball 3 sides, described retainer comprises the first retainer 4, the second retainer 5, described the first maintenance adds and is provided with the semicircle ball chamber 7 identical with ball 3 numbers, the first relative side keeping of described ball chamber 7 is provided with needle roller through hole 8, described the first retainer 4 is identical with the second retainer 5, described the first retainer 4 and the second retainer 5 are to be provided with relative being fixedly connected with of ball chamber 7 one side, described needle roller through hole 8 is provided with needle roller 6, relative ball 3 one sides of described needle roller 6 are provided with circular lid, described circular lid arc surface and ball 3 surfaces are suitable, circular lid arc surface is attached on ball 3, the first retainer 4 is fixedly connected with the second retainer 5 and makes the semicircle ball chamber 7 of the first retainer 4 and the second retainer 5 form spherical ball chamber 7, ball 3 is in the interior rolling in ball chamber 7, the needle roller 6 being fixed in needle roller through hole 8 passes through circular lid and ball 3 Surface Contacts, needle roller 6 rolls together with ball 3, ball 3 is not directly contacted with retainer, avoid the friction of ball 3 with retainer, make the life-span of ball 3 longer.
Between ball chamber 7, be provided with lubricant oil cavity 12, described lubricant oil cavity 12 is provided with the lubricant oil through hole 13 communicating with ball chamber 7, lubricant oil is stored in lubricant oil cavity 12, lubricant oil enters ball chamber 7 by lubricant oil through hole 13, make bearing add lubricant oil for ball 3 voluntarily, make ball 3 make to reduce friction in rolling, and need not usually pull down bearing and add lubricant oil.
The first retainer 4 sides between needle roller through hole 8 are provided with fixed via 9, fixed via 9 is provided with rivet 10, use rivet 10 join strengths large, by less with pivot friction power, and can add voluntarily lubricant oil, so bearing life is longer, need not often pull down maintenance, and rivet 10 join strengths are larger, and to make the first retainer 4 be connected with the second retainer 5 tightr, improved ball 3 steady in the interior rolling in ball chamber 7, thereby reduced noise, raising speed.
Claims (4)
1. a low frictional torque bearing, comprise bearing outer ring, bearing inner race, ball, retainer, described ball is arranged between bearing outer ring and bearing inner race, described bearing outer ring and bearing inner race coaxially arrange, described retainer is arranged on ball side, it is characterized in that: described retainer comprises the first retainer, the second retainer, described the first maintenance adds and is provided with the semicircle ball chamber identical with ball number, the first relative side keeping of described ball chamber is provided with needle roller through hole, described the first retainer is identical with the second retainer, described the first retainer and the second retainer are to be provided with relative being fixedly connected with of ball chamber one side, described needle roller through hole is provided with needle roller, relative ball one side of described needle roller is provided with circular lid, described circular lid arc surface and ball surface are suitable, circular lid arc surface is attached on ball.
2. low frictional torque bearing according to claim 1, is characterized in that: described ball is provided with lubricant oil cavity between chamber, and described lubricant oil cavity is provided with the lubricant oil through hole communicating with ball chamber.
3. low frictional torque bearing according to claim 1 and 2, is characterized in that: the first retainer side between described needle roller through hole is provided with fixed via, and fixed via is provided with rivet.
4. low frictional torque bearing according to claim 3, is characterized in that: described ball is at least 8, and ball is evenly distributed on retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033923.2U CN203670476U (en) | 2014-01-20 | 2014-01-20 | Low-friction bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420033923.2U CN203670476U (en) | 2014-01-20 | 2014-01-20 | Low-friction bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670476U true CN203670476U (en) | 2014-06-25 |
Family
ID=50966778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420033923.2U Expired - Fee Related CN203670476U (en) | 2014-01-20 | 2014-01-20 | Low-friction bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134775A (en) * | 2015-10-12 | 2015-12-09 | 山东凯美瑞轴承科技有限公司 | Hybrid bearing with center regulating function |
| CN114704547A (en) * | 2022-04-07 | 2022-07-05 | 南通鹏亚精密机械科技有限公司 | Anti-shaking retainer device for automatic carrying trolley and implementation method |
-
2014
- 2014-01-20 CN CN201420033923.2U patent/CN203670476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134775A (en) * | 2015-10-12 | 2015-12-09 | 山东凯美瑞轴承科技有限公司 | Hybrid bearing with center regulating function |
| CN114704547A (en) * | 2022-04-07 | 2022-07-05 | 南通鹏亚精密机械科技有限公司 | Anti-shaking retainer device for automatic carrying trolley and implementation method |
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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 |
Granted publication date: 20140625 Termination date: 20190120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |