CN104895929A - Retainer component of roller bearing - Google Patents
Retainer component of roller bearing Download PDFInfo
- Publication number
- CN104895929A CN104895929A CN201510292466.8A CN201510292466A CN104895929A CN 104895929 A CN104895929 A CN 104895929A CN 201510292466 A CN201510292466 A CN 201510292466A CN 104895929 A CN104895929 A CN 104895929A
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- roller
- arc
- groove
- rolling body
- roller bearing
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Abstract
The invention relates to a retainer component of a roller bearing. The component solves the technical problems of high possibility of abrasion of a roller, and the like of the existing bearing. The component comprises an annular retainer body. A plurality of roller grooves distributed circumferentially are formed at the two ends of the retainer body; columnar roller bodies capable of rotating circumferentially are arranged in the roller grooves respectively; the circumferential outer sides of the roller bodies exceed the upper sides and the lower sides of the roller grooves; the end parts of the roller bodies extend to the outsides of the roller grooves; arc matching surfaces matched with the circumferential outer sides of the roller bodies are arranged on the inner sides of the roller grooves; an arc blind hole is formed in the center of one end, located at the inner end of each roller groove, of each roller body; balls are arranged in the arc blind holes via movable mounting structures; and arc concave surfaces pushing against the balls are arranged at the inner ends of the roller grooves. The component has the advantages that the roller bodies are good in mounting stability; the abrasion when the roller bodies rotate and suffer from an axial acting force can be reduced; a lubrication degree is high; the possibility of the abrasion between the roller bodies and a retainer is low; and the service lives of the roller bodies are long.
Description
Technical field
The invention belongs to technical field of automobile, particularly relate to a kind of retainer assembly of roller bearing.
Background technique
Roller bearing is the rolling bearing making rolling element with short cylindrical, circular cone or drum-shaped roller.Mainly contain the structural types such as centripetal short columnar roller, double-row spherical roller, tapered roller and thrust roller.Common roller bearing is by bearing enclose and the retainer that is arranged between the two, and roller is arranged on for separating of each roller on retainer, keeps roller spacing equal, makes load mean allocation.The problems such as but existing roller bearing also exists in use: poor stability, and bearing capacity is poor, when bearing is subject to axial force, wearing and tearing easily appear in roller end, and working life is short, roller lubrication degree difference.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of roller bearing, and [application number: 201420096437.5], comprises outer ring, inner ring, retainer and rolling element; It is characterized in that: turn-take in arranging between described outer ring and inner ring, outer ring and in turn-take and inner ring and in turn-take between ball-type rolling element and roller-type rolling element are set respectively; Rolling element comprises the first corresponding with ball-type rolling element and roller-type rolling element respectively retainer and the second retainer.Above-mentioned scheme improves the subproblem of prior art to a certain extent, such as, to some extent solve the problem of the radial bearing capacity difference of bearing, but, also at least there is following defect in the program: poor stability, when bearing is subject to axial force easily there are wearing and tearing in roller end, and working life is short, and roller lubrication degree is poor.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of design more reasonable, the retainer assembly of the nonabradable roller bearing in roller end.
For achieving the above object, present invention employs following technical proposal: the retainer assembly of this roller bearing, comprise ringwise maintenance support body, described maintenance support body two ends have the roller groove that some circumference distributions are arranged respectively, it is characterized in that, be respectively equipped with in column in described roller groove and the rolling body of energy circumference rotation, described rolling body outer circumferential exceeds the upper and lower both sides of roller groove respectively and described rolling body end extends to outside roller groove, and there is the arc fitting surface matched with rolling body outer circumferential inside roller groove, the center, one end that described rolling body is positioned at roller groove the inner has arc blind hole, and be provided with by movable mounting structure in described arc blind hole and freely rotate and the ball of arc blind hole is exposed in outside, in roller groove the inner, there is the arc-shaped concave leant with ball.During use, roller lays respectively between bearing enclose, and be subject to axial force or rolling body when rotating at bearing, the ball of rolling body end and arc-shaped concave cooperatively interact and can reduce the wearing and tearing of rolling body end.
In the retainer assembly of above-mentioned roller bearing, described movable mounting structure comprises and being arranged in arc blind hole and the rolling assembly leant with ball, and described rolling body end is provided with the limit assembly that can prevent ball from departing from arc blind hole.
In the retainer assembly of above-mentioned roller bearing, described rolling assembly comprises some rolling elements be arranged in arc blind hole, and described rolling element is all in spherical and equal diameters, described ball all with rolling element mutually against setting.Namely cooperatively interacted by rolling element and ball and realize ball and freely rotate.
In the retainer assembly of above-mentioned roller bearing, described limit assembly comprises and is arranged on rolling body end and the annular capping being positioned at arc blind hole outer circumferential, described annular capping outer circumferential and rolling body are connected as a single entity, and described annular capping outer circumferential to week tilt upward setting to the inside and this week to the inside with the outer circumferential of the middle and upper part of ball mutually against setting.Annular capping can prevent ball from departing from arc blind hole.
In the retainer assembly of above-mentioned roller bearing, the equal one_to_one corresponding of roller groove at described maintenance support body two ends is arranged and the equal circumference of roller groove of every one end is uniformly distributed setting.
In the retainer assembly of above-mentioned roller bearing, annular oil groove is circumferentially with in the middle part of described maintenance support body, described annular oil groove both sides are corresponding the first oil groove and the second oil groove being provided with some settings in tilt distribution respectively, first described oil groove one end is connected with annular oil groove, the other end extends on arc fitting surface, second described oil groove one end is connected with annular oil groove, and the other end extends on arc-shaped concave.Obviously, the first oil groove and the second oil groove can make lubricant oil enter between rolling body and arc fitting surface and between rolling body and arc-shaped concave, decrease rolling body and the wearing and tearing keeping support body.
In the retainer assembly of above-mentioned roller bearing, the described center line of roller groove and the center superposition of rolling body.
In the retainer assembly of above-mentioned roller bearing, the top of described ball is against being arranged on bottom arc-shaped concave.
In the retainer assembly of above-mentioned roller bearing, the ratio that described rolling body is arranged between length in roller groove and the length of rolling body outside roller groove is: 2-3:1.
In the retainer assembly of above-mentioned roller bearing, the outer circumferential at described rolling body two ends has arc angling portion.
Compared with prior art, the advantage of the retainer assembly of this roller bearing is: structure is simple, and rolling body installs good stability, can reduce rolling body rotate and rolling body is subject to axial force time wearing and tearing, lubricity is high, not easy to wear between rolling body and retainer, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention.
Fig. 2 is the structure sectional view of rolling body provided by the invention.
In figure, keep support body 1, roller groove 11, arc fitting surface 111, arc-shaped concave 112, rolling body 2, arc blind hole 21, arc angling portion 22, movable mounting structure 3, rolling element 31, annular capping 32, ball 4, annular oil groove 5, first oil groove 51, second oil groove 52.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Figure 1-2, the retainer assembly of this roller bearing, comprise ringwise maintenance support body 1, support body 1 two ends are kept to have the roller groove 11 of some circumference distribution settings respectively, be respectively equipped with in roller groove 11 in column and the rolling body 2 of energy circumference rotation, rolling body 2 outer circumferential exceeds roller groove about 11 both sides respectively and rolling body 2 end extends to outside roller groove 11, and there is the arc fitting surface 111 matched with rolling body 2 outer circumferential inside roller groove 11, the center, one end that rolling body 2 is positioned at roller groove 11 the inner has arc blind hole 21, the outer circumferential at rolling body 2 two ends has arc angling portion 22, and be provided with by movable mounting structure 3 in arc blind hole 21 and freely rotate and the ball 4 of arc blind hole 21 is exposed in outside, there is in roller groove 11 the inner the arc-shaped concave 112 leant with ball 4, during use, rolling body 2 lays respectively between bearing enclose, axial force or rolling body 2 is subject to when rotating at bearing, ball 4 and the arc-shaped concave 112 of rolling body 2 end cooperatively interact and can reduce the wearing and tearing of rolling body 2 end.
Particularly, the movable mounting structure 3 in the present embodiment comprises and being arranged in arc blind hole 21 and the rolling assembly leant with ball 4, and described rolling body 2 end is provided with the limit assembly that can prevent ball 4 from departing from arc blind hole 21.Wherein, here rolling assembly comprises some rolling elements 31 be arranged in arc blind hole 21, and described rolling element 31 is all in spherical and equal diameters, described ball 4 all with rolling element 31 mutually against setting, namely cooperatively interacted by rolling element 31 and ball 4 and realize ball 4 and freely rotate.Arc blind hole 21 is departed from order to prevent ball 4, here limit assembly comprises and is arranged on rolling body 2 end and the annular capping 32 being positioned at arc blind hole 21 outer circumferential, described annular capping 32 outer circumferential and rolling body 2 are connected as a single entity, and described annular capping 32 outer circumferential to week tilt upward setting to the inside and this week to the inside with the outer circumferential of the middle and upper part of ball 4 mutually against setting.
Further, the equal one_to_one corresponding of roller groove 11 at maintenance support body 1 two ends in the present embodiment is arranged and the equal circumference of roller groove 11 of every one end is uniformly distributed setting.Wherein, here annular oil groove 5 is circumferentially with in the middle part of maintenance support body 1, described annular oil groove 5 both sides are corresponding is respectively provided with some the first oil groove 51 and the second oil grooves 52 arranged in tilt distribution, first described oil groove 51 one end is connected with annular oil groove 5, the other end extends on arc fitting surface 111, second described oil groove 52 one end is connected with annular oil groove 5, the other end extends on arc-shaped concave 112, first oil groove 51 and the second oil groove 52 can make lubricant oil enter between rolling body 2 and arc fitting surface 111 and between rolling body 2 and arc-shaped concave 112, decrease rolling body 2 and the wearing and tearing keeping support body 1.
Further, the center line of the roller groove 11 in the present embodiment and the center superposition of rolling body 2, the top of ball 4 is here against being arranged on bottom arc-shaped concave 112, and the ratio that rolling body 2 is here arranged between length in roller groove 11 and the length of rolling body 2 outside roller groove 11 is: 2-3:1.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ terms such as keeping support body 1, roller groove 11, arc fitting surface 111, arc-shaped concave 112, rolling body 2, arc blind hole 21, arc angling portion 22, movable mounting structure 3, rolling element 31, annular capping 32, ball 4, annular oil groove 5, first oil groove 51, second oil groove 52 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (10)
1. the retainer assembly of a roller bearing, comprise ringwise maintenance support body (1), described maintenance support body (1) two ends have the roller groove (11) that some circumference distributions are arranged respectively, it is characterized in that, be respectively equipped with in column in described roller groove (11) and the rolling body (2) of energy circumference rotation, described rolling body (2) outer circumferential exceeds the upper and lower both sides of roller groove (11) respectively and described rolling body (2) end extends to roller groove (11) outside, and in roller groove (11) inner side, there is the arc fitting surface (111) matched with rolling body (2) outer circumferential, the center, one end that described rolling body (2) is positioned at roller groove (11) inner has arc blind hole (21), and be provided with by movable mounting structure (3) in described arc blind hole (21) and freely rotate and the ball (4) of arc blind hole (21) is exposed in outside, there is in roller groove (11) the inner the arc-shaped concave (112) leant with ball (4).
2. the retainer assembly of roller bearing according to claim 1, it is characterized in that, described movable mounting structure (3) comprises and being arranged in arc blind hole (21) and the rolling assembly leant with ball (4), and described rolling body (2) end is provided with the limit assembly that can prevent ball (4) from departing from arc blind hole (21).
3. the retainer assembly of roller bearing according to claim 2, it is characterized in that, described rolling assembly comprises some rolling elements (31) be arranged in arc blind hole (21), and described rolling element (31) is all in spherical and equal diameters, described ball (4) all with rolling element (31) mutually against setting.
4. the retainer assembly of roller bearing according to claim 2, it is characterized in that, described limit assembly comprises and is arranged on rolling body (2) end and the annular capping (32) being positioned at arc blind hole (21) outer circumferential, described annular capping (32) outer circumferential and rolling body (2) are connected as a single entity, and tilt upward setting described annular capping (32) outer circumferential to week to the inside and this week to the inside with the outer circumferential of the middle and upper part of ball (4) mutually against setting.
5. the retainer assembly of the roller bearing according to claim 1 or 2 or 3 or 4, it is characterized in that, the equal one_to_one corresponding of roller groove (11) at described maintenance support body (1) two ends is arranged and the equal circumference of roller groove (11) of every one end is uniformly distributed setting.
6. the retainer assembly of roller bearing according to claim 5, it is characterized in that, described maintenance support body (1) middle part is circumferentially with annular oil groove (5), described annular oil groove (5) both sides are corresponding is respectively provided with some the first oil grooves (51) arranged in tilt distribution and the second oil groove (52), described the first oil groove (51) one end is connected with annular oil groove (5), the other end extends on arc fitting surface (111), described the second oil groove (52) one end is connected with annular oil groove (5), the other end extends on arc-shaped concave (112).
7. the retainer assembly of roller bearing according to claim 1, is characterized in that, the center line of described roller groove (11) and the center superposition of rolling body (2).
8. the retainer assembly of roller bearing according to claim 1, is characterized in that, the top of described ball (4) is against being arranged on arc-shaped concave (112) bottom.
9. the retainer assembly of the roller bearing according to claim 1 or 2 or 3 or 4, it is characterized in that, the ratio that described rolling body (2) is arranged between length that length in roller groove (11) and rolling body (2) be positioned at roller groove (11) outside is: (2-3): 1.
10. the retainer assembly of roller bearing according to claim 9, is characterized in that, the outer circumferential at described rolling body (2) two ends has arc angling portion (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292466.8A CN104895929B (en) | 2015-05-30 | 2015-05-30 | The retainer component of roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292466.8A CN104895929B (en) | 2015-05-30 | 2015-05-30 | The retainer component of roller bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104895929A true CN104895929A (en) | 2015-09-09 |
| CN104895929B CN104895929B (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510292466.8A Active CN104895929B (en) | 2015-05-30 | 2015-05-30 | The retainer component of roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104895929B (en) |
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2015
- 2015-05-30 CN CN201510292466.8A patent/CN104895929B/en active Active
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| Publication number | Publication date |
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| CN104895929B (en) | 2017-07-28 |
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| C06 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200119 Address after: No. 10, Baofu street, Xinshi Town, Deqing County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Xinxing Technology Co., Ltd Address before: 313217, Huzhou, Zhejiang province Deqing County Town, Xin'an village Bai Yang Village Patentee before: DEQING HENGFU MACHINERY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cage assembly of roller bearing Effective date of registration: 20210729 Granted publication date: 20170728 Pledgee: Zhejiang Deqing Rural Commercial Bank Co.,Ltd. Xinshi sub branch Pledgor: Zhejiang Xinxing Technology Co.,Ltd. Registration number: Y2021330001034 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |