CN204267522U - A kind of plain radial bearing structure - Google Patents
A kind of plain radial bearing structure Download PDFInfo
- Publication number
- CN204267522U CN204267522U CN201420569200.4U CN201420569200U CN204267522U CN 204267522 U CN204267522 U CN 204267522U CN 201420569200 U CN201420569200 U CN 201420569200U CN 204267522 U CN204267522 U CN 204267522U
- Authority
- CN
- China
- Prior art keywords
- retainer
- outer ring
- adjusting sleeve
- eccentric adjusting
- central axis
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Support Of The Bearing (AREA)
Abstract
The utility model discloses a kind of plain radial bearing structure, eccentric adjusting sleeve is installed in outer ring outer wall, eccentric adjusting sleeve outer wall central axis does not overlap with the central axis of eccentric adjusting sleeve inwall, among outer ring outer wall, axle line does not overlap with the central axis of outer ring inwall, among outer ring outer wall, the central axis of axle line and eccentric adjusting sleeve inwall coincides, heart dead in line among the central axis of inner ring inwall and interior ring outer wall, first retainer does not carry out eccentric adjusting sleeve and outer ring when stop coordinates and can relatively rotate with the second retainer, when first retainer coordinates with the second retainer phase stop, eccentric adjusting sleeve and outer ring stop are fixed.This bearing structure can improve the center adjusting value of bearing under the stable condition of aligning inclination angle one, without the need to reducing the width dimensions of outer ring, ensure that the bearing capacity of bearing.And the central axes of the inside and outside wall of inner ring and outer ring inwall, ensures the stationarity of the relative outer ring rotating of inner ring, does not produce cycloid motion.
Description
Technical field
The utility model relates to a kind of plain radial bearing structure.
Background technique
Plain radial bearing is a kind of spherical bearing, and the central axis of its outer ring and the central axis of inner ring are same axis, and its typical feature to bear heavy duty, and have the ability of Self-aligning.The size of plain radial bearing Self-aligning ability, relevant with bearing inclination angle size, and bearing outer ring width and bearing inner race width are depended in bearing inclination angle.As shown in Figure 1, inner ring 1 ' is socketed in outer ring 2 ', and outer ring 2 ' is socketed in bearing support 3 ', when two bearings match axle 4 ' is fixed time, bearing inclination angle is 2 α, and its maximum center adjusting value is u.Under some working condition, be limited to assembly space, inner race width is limited, and in order to reach the center adjusting value of regulation, usual way is reduction outer ring width dimensions, but so, the bearing capacity of bearing declines greatly, is unfavorable for the use of bearing.
Model utility content
The utility model provides a kind of plain radial bearing structure, which overcomes the deficiency existing for background technique.
The utility model solves the technological scheme that its technical problem adopts: plain radial bearing structure, it comprises the inner ring that an outer ring and with inner ball surface has outer spherical surface, inner ring is socketed in outer ring, inner ring and outer ring phase mating spherical surfaces, it is characterized in that: also comprise one for regulating the eccentric adjusting sleeve of bearing offset, described eccentric adjusting sleeve is installed in the outer wall of outer ring, the central axis of eccentric adjusting sleeve outer wall does not overlap with the central axis of eccentric adjusting sleeve inwall, among outer ring outer wall, axle line does not overlap with the central axis of outer ring inwall, among outer ring outer wall, the central axis of axle line and eccentric adjusting sleeve inwall coincides, the central axis of inner ring inwall, the central axes of axle line and outer ring inwall among interior ring outer wall, separately be provided with stop mechanism, stop mechanism comprises the first retainer being arranged on eccentric adjusting sleeve and the second retainer being arranged on outer ring, first retainer does not carry out eccentric adjusting sleeve and outer ring when stop coordinates and can relatively rotate with the second retainer, when first retainer coordinates with the second retainer phase stop, eccentric adjusting sleeve is relative with outer ring fixing.
Among one preferred embodiment: described first retainer is boss, described second retainer is the groove that can coordinate with the stop of boss phase; Or the first retainer is groove, the second retainer is the boss that can coordinate with the stop of groove phase.
Among one preferred embodiment: described first retainer and the second retainer are annular, and the first retainer is positioned at one of eccentric adjusting sleeve inwall end and extends to the end face of this end, the second retainer is positioned at one of outer ring outer wall end and extends to the end face of this end.
Among one preferred embodiment: described first retainer and the second retainer interference fit, or, be pasted together by adhesive between the first retainer and the second retainer.
Among one preferred embodiment: described eccentric adjusting sleeve adopts soft rigid material.
The technical program is compared with background technique, and its tool has the following advantages:
1. the central axis of eccentric adjusting sleeve outer wall does not overlap with the central axis of eccentric adjusting sleeve inwall, among outer ring outer wall, axle line does not overlap with the central axis of outer ring inwall, this bearing structure can improve the center adjusting value of bearing when aligning inclination angle is certain, without the need to reducing the width dimensions of outer ring, ensure that the bearing capacity of bearing.And, due to the central axis of the inside and outside wall of inner ring and the central axes of outer ring inwall, therefore, ensure the stationarity of the relative outer ring rotating of inner ring to greatest extent, do not produce cycloid motion.Meanwhile, be provided with the first retainer and the second retainer, to facilitate the adjustment of eccentric adjusting sleeve and to fix.
2. the first retainer and the second retainer interference fit, or be pasted together by adhesive between the first retainer and the second retainer, ensure that eccentric adjusting sleeve is relative with outer ring fixing, antiwhip is better.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 depicts view when plain radial bearing of the prior art carries out aligning.
Fig. 2 depicts the cross-sectional schematic of the plain radial bearing structure of a preferred embodiment.
The schematic top plan view when central axis of central axis and inner ring inwall that Fig. 3 depicts the eccentric adjusting sleeve outer wall of a preferred embodiment coincides.
Schematic top plan view when Fig. 4 distance depicted between the central axis of the eccentric adjusting sleeve outer wall of a preferred embodiment and the central axis of inner ring inwall is maximum.
The plain radial bearing that Fig. 5 depicts a preferred embodiment carries out view during aligning.
Embodiment
Please refer to Fig. 2 to Fig. 5, an a kind of preferred embodiment of plain radial bearing structure, described plain radial bearing structure, it comprises an inner ring 10, with outer spherical surface and has the outer ring 20 and of inner ball surface for regulating the eccentric adjusting sleeve 30 of bearing offset.
Described outer ring 20 has inwall 21 and outer wall 22.Outer ring 20 is socketed in outside inner ring 10, and also, outer ring inwall 21 is towards interior ring outer wall 12.In the present embodiment, the central axis c of outer ring inwall 21 does not overlap with the central axis d of outer ring outer wall 22, and offset is v.
Described outer ring 20 is provided with the second retainer.In the present embodiment, described second retainer is boss 23.Or as required, described second retainer also can be set to groove.
In the present embodiment, the second retainer is annular and is positioned at one of outer ring outer wall end and extends to the end face of this end.
Described inner ring 10 has inwall 11 and outer wall 12.In the present embodiment, the central axis a of inner ring inwall 11 overlaps with the central axis b of interior ring outer wall 12, and also, the cross section of inner ring 10 is concentric circle.Inner ring is socketed in outer ring, inner ring and outer ring phase mating spherical surfaces.
In the present embodiment, the central axis c of outer ring inwall 21 overlaps with the central axis b of the central axis a of inner ring inwall 11 and interior ring outer wall 12.
Described eccentric adjusting sleeve 30 has inwall 31 and outer wall 32.Eccentric adjusting sleeve 30 is installed in the outer wall 22 of outer ring, and also, eccentric adjusting sleeve inwall 31 is ring outer wall 22 toward the outside.The central axis e of described eccentric adjusting sleeve inwall 31 does not overlap with the central axis f of eccentric adjusting sleeve outer wall 32, and offset is v.
Described eccentric adjusting sleeve 30 is provided with the first retainer, first retainer and the second retainer form stop mechanism, first retainer does not carry out eccentric adjusting sleeve and outer ring when stop coordinates and can relatively rotate with the second retainer, when the first retainer coordinates with the second retainer phase stop, eccentric adjusting sleeve is relative with outer ring fixing.
In the present embodiment, the first retainer is the groove 33 that can coordinate with the stop of boss 23 phase, or as required, described first retainer also can be set to boss.
In the present embodiment, described groove 33 is annular, and groove 33 is positioned at one of eccentric adjusting sleeve inwall 31 end and extends to the end face of this end.
In the present embodiment, the shape of described outer ring outer wall 22 and the shape of eccentric adjusting sleeve inwall 31 suitable, that is, the central axis d of outer the ring outer wall 22 and central axis e of eccentric adjusting sleeve inwall 31 coincides.
In the present embodiment, described groove 33 and boss 23 interference fit, or, be pasted together by adhesive between groove 33 and boss 23.
In the present embodiment, described eccentric adjusting sleeve 30 adopts soft rigid material, as soft structural steel or stainless steel etc.
The using method of this plain radial bearing structure is: first by bearing inner race, outer ring is assembled, eccentric adjusting sleeve loads bearing support, the inner ring will assembled again, outer ring loads in eccentric adjusting sleeve, now, first retainer and the second retainer first non-stop coordinate, rotate outer ring and drive inner ring relative eccentric adjustment sleeve rotation together, now, inner ring, the central axis of outer ring relative eccentric adjustment sleeve inwall rotates, treat that the offset adjustment of the central axis of inner ring inwall and the central axis of eccentric adjusting sleeve outer wall is complete, again the first retainer is coordinated with the second retainer phase stop, just the offset completing plain radial bearing regulates, afterwards, again axle is loaded bearing inner race inwall.
As shown in Figure 3, the central axis of square shape represents the central axis a of inner ring inwall 11, the central axis b of interior ring outer wall 12, the central axis c of outer ring inwall 21, the central axis f of eccentric adjusting sleeve outer wall 32 coincide, the central axis representative central axis d of outer the ring outer wall 22 and central axis e of eccentric adjusting sleeve inwall 31 of triangle coincides, and now the offset of the central axis a of inner ring inwall 11 and the central axis f of eccentric adjusting sleeve outer wall 32 is 0.
As shown in Figure 4, now, the central axis c of the central axis a of inner ring inwall 11, the central axis b of interior ring outer wall 12, outer ring inwall 21 coincides, in Fig. 4 shown in square; The central axis d of outer the ring outer wall 22 and central axis e of eccentric adjusting sleeve inwall 31 coincides, as shown in Fig. 4 intermediate cam shape; And the central axis f of eccentric adjusting sleeve outer wall 32 is as shown in the circle in Fig. 4, now, the distance that the central axis f of eccentric adjusting sleeve outer wall 32 departs from the central axis a of inner ring inwall 11 is maximum, and offset is also 2v to the maximum.
As shown in Figure 5, right side bearing is the plain radial bearing adopting this embodiment, and all the other conditions are identical with Fig. 1 in prior art, but compared with the prior art of Fig. 1, the center adjusting value adopting this kind of plain radial bearing to produce is far longer than plain radial bearing of the prior art, can reach u+2v.
The central axis of eccentric adjusting sleeve outer wall does not overlap with the central axis of eccentric adjusting sleeve inwall, among outer ring outer wall, axle line does not overlap with the central axis of outer ring inwall, this bearing structure can improve the center adjusting value of bearing when aligning inclination angle is certain, without the need to reducing the width dimensions of outer ring, ensure that the bearing capacity of bearing.And, due to heart dead in line among the central axis of inner ring inwall and interior ring outer wall, therefore, ensure the stationarity of the relative outer ring rotating of inner ring to greatest extent, do not produce cycloid motion.Meanwhile, be provided with the first retainer and the second retainer, to facilitate the adjustment of eccentric adjusting sleeve and to fix.
The above, be only the utility model preferred embodiment, therefore the scope that the utility model implements can not be limited according to this, the equivalence namely done according to the utility model the scope of the claims and description change with modify, all should still belong in scope that the utility model contains.
Claims (4)
1. a plain radial bearing structure, it comprises the inner ring that an outer ring and with inner ball surface has outer spherical surface, inner ring is socketed in outer ring, inner ring and outer ring phase mating spherical surfaces, it is characterized in that: also comprise one for regulating the eccentric adjusting sleeve of bearing offset, described eccentric adjusting sleeve is installed in the outer wall of outer ring, the central axis of eccentric adjusting sleeve outer wall does not overlap with the central axis of eccentric adjusting sleeve inwall, among outer ring outer wall, axle line does not overlap with the central axis of outer ring inwall, among outer ring outer wall, the central axis of axle line and eccentric adjusting sleeve inwall coincides, the central axis of inner ring inwall, the central axes of axle line and outer ring inwall among interior ring outer wall, separately be provided with stop mechanism, stop mechanism comprises the first retainer being arranged on eccentric adjusting sleeve and the second retainer being arranged on outer ring, first retainer does not carry out eccentric adjusting sleeve and outer ring when stop coordinates and can relatively rotate with the second retainer, when first retainer coordinates with the second retainer phase stop, eccentric adjusting sleeve is relative with outer ring fixing.
2. a kind of plain radial bearing structure according to claim 1, is characterized in that: described first retainer is boss, and described second retainer is the groove that can coordinate with the stop of boss phase; Or the first retainer is groove, the second retainer is the boss that can coordinate with the stop of groove phase.
3. a kind of plain radial bearing structure according to claim 2, it is characterized in that: described first retainer and the second retainer are annular, and the first retainer is positioned at one of eccentric adjusting sleeve inwall end and extends to the end face of this end, the second retainer is positioned at one of outer ring outer wall end and extends to the end face of this end.
4. a kind of plain radial bearing structure according to claim 2, is characterized in that: described first retainer and the second retainer interference fit, or, be pasted together by adhesive between the first retainer and the second retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569200.4U CN204267522U (en) | 2014-09-29 | 2014-09-29 | A kind of plain radial bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420569200.4U CN204267522U (en) | 2014-09-29 | 2014-09-29 | A kind of plain radial bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267522U true CN204267522U (en) | 2015-04-15 |
Family
ID=52802393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420569200.4U Withdrawn - After Issue CN204267522U (en) | 2014-09-29 | 2014-09-29 | A kind of plain radial bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267522U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443574A (en) * | 2014-09-29 | 2016-03-30 | 福建龙溪轴承(集团)股份有限公司 | Radial spherical plain bearing structure and use method thereof |
| CN106274952A (en) * | 2015-05-12 | 2017-01-04 | 株洲时代新材料科技股份有限公司 | Link assembly used for rail vehicle itself and manufacture method |
| CN110848250A (en) * | 2019-11-28 | 2020-02-28 | 洛阳轴承研究所有限公司 | Joint bearing for main driving assembly of shield tunneling machine and checking method thereof |
| CN112522869A (en) * | 2019-09-19 | 2021-03-19 | 杰克缝纫机股份有限公司 | Eccentric adjustable device, lifting tooth driving mechanism of sewing machine and sewing machine |
-
2014
- 2014-09-29 CN CN201420569200.4U patent/CN204267522U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443574A (en) * | 2014-09-29 | 2016-03-30 | 福建龙溪轴承(集团)股份有限公司 | Radial spherical plain bearing structure and use method thereof |
| CN105443574B (en) * | 2014-09-29 | 2019-05-31 | 福建龙溪轴承(集团)股份有限公司 | Plain radial bearing structure and its application method |
| CN106274952A (en) * | 2015-05-12 | 2017-01-04 | 株洲时代新材料科技股份有限公司 | Link assembly used for rail vehicle itself and manufacture method |
| CN112522869A (en) * | 2019-09-19 | 2021-03-19 | 杰克缝纫机股份有限公司 | Eccentric adjustable device, lifting tooth driving mechanism of sewing machine and sewing machine |
| CN112522869B (en) * | 2019-09-19 | 2022-06-21 | 杰克科技股份有限公司 | Eccentric adjustable device, lifting tooth driving mechanism of sewing machine and sewing machine |
| CN110848250A (en) * | 2019-11-28 | 2020-02-28 | 洛阳轴承研究所有限公司 | Joint bearing for main driving assembly of shield tunneling machine and checking method thereof |
| CN110848250B (en) * | 2019-11-28 | 2021-06-01 | 洛阳轴承研究所有限公司 | Joint bearing for main driving assembly of shield tunneling machine and checking method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204267522U (en) | A kind of plain radial bearing structure | |
| CN204785346U (en) | Seat device is adjusted in installation of vertical variable angle | |
| CN106624839B (en) | Rotary shaft supporting device | |
| CN105443574A (en) | Radial spherical plain bearing structure and use method thereof | |
| CN204186794U (en) | A kind of non-closing in type joint shaft bearing | |
| CN102794708A (en) | Arc trimmer structure | |
| CN203685867U (en) | Bearing | |
| CN204533197U (en) | Double-row conical aligning heavy load sliding bearing | |
| CN107416569A (en) | A kind of cylinder type lithium battery pole piece automatic deviation rectifying mechanism | |
| CN204458811U (en) | Adjustable composite track roller | |
| CN104325235A (en) | Small rotating mechanism for automobile welding | |
| CN207621174U (en) | A kind of two halves formula bearing outer ring cross roller bearing | |
| CN203948455U (en) | The bearing of energy its axle center line position | |
| CN104354880B (en) | A kind of double eccentric disc devices adjusted for spatial attitude | |
| CN203686227U (en) | Ball valve adjustable in valve core position | |
| CN204099420U (en) | Different wrapping angle double-row angular contact bal bearing | |
| CN204664144U (en) | A kind of adjustable bearing | |
| CN104047961B (en) | Automobile-used bearing outer ring | |
| CN102032268A (en) | Bearing with adjustable shaft distance | |
| CN204476767U (en) | A kind of Roots air blower group gap correction station | |
| CN204403179U (en) | Machine for automatically assembling needle bearing holder fixing device | |
| CN104565029A (en) | Novel angle contact knuckle bearing | |
| CN204198202U (en) | The gear ring fixed sturcture of elevator traction machine | |
| CN207715540U (en) | A kind of two halves formula bearing inner race cross roller bearing | |
| CN207621308U (en) | Low noise worm and gear adjustment structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20190531 |
|
| AV01 | Patent right actively abandoned |