CN2071721U - Stroke ball bearing - Google Patents
Stroke ball bearing Download PDFInfo
- Publication number
- CN2071721U CN2071721U CN 90202134 CN90202134U CN2071721U CN 2071721 U CN2071721 U CN 2071721U CN 90202134 CN90202134 CN 90202134 CN 90202134 U CN90202134 U CN 90202134U CN 2071721 U CN2071721 U CN 2071721U
- Authority
- CN
- China
- Prior art keywords
- bearing
- outer ring
- shaft
- ball
- bearing shaft
- 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- Withdrawn
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model discloses a stroke ball bearing, comprising a bearing outer ring (1), balls (4), a bearing shaft (5), etc. The bearing outer ring (1) is a hollow column form, the both ends of the hollow column are provided with end cover heads (2), and the internal diameter of the hollow column is provided with a guide sleeve (3); the bearing shaft (5) is the integration of a bearing inner ring and a shaft, the both ends of the bearing shaft (5) are respectively provided with a groove, the groove is provided with a check ring for the shaft, and the balls and the guide sleeve are arranged between the internal diameter of the outer ring of the check ring and the bearing shaft. The outer ring and the bearing shaft can run and work when the bearing shaft and the outer ring are made pitching motion along axial direction in the range of the difference of the distance of the two check rings and the total length of the outer ring after the outer ring is provided with two end covers.
Description
The utility model belongs to the ball Throw bearing of mechanical parts series.
The ball bearing of existing industrial machinery part, its performance is among being clipped in by ball between bearing outer ring and the inner ring, making the outer ring and the inner ring of bearing can be center of circle rotation work with same shaft centre line, also has entad sphere ball bearing of biserial, bearing still can normal rotation work in the time of 2～3 ° for outer ring shaft centre line and inner ring shaft centre line crossing angle, self-aligning.Still there are the following problems for this class ball bearing structure: the one, and bearing outer ring and inner ring do not allow a vertical stroke motion; The 2nd, bearing inner race need be joined axle.
The utility model purpose is:
Design a kind of ball Throw bearing, bearing when rotation work, bearing outer ring and bearing shaft vertically stroke slide.Bearing inner race and axle are same one, do not need to join in addition the inner ring axle.
Technical solution of the present utility model is: bearing outer ring is a hollow cylinder, there is end cap head (2) at the two ends of hollow cylinder, the Circularhole diameter at its end cap head center is greater than the external diameter of bearing shaft, the internal diameter of bearing outer ring is equipped with the guide pin bushing (3) of the hollow cylinder bodily form, the length of its guide pin bushing is less than the length of bearing outer ring, the external diameter of guide pin bushing is less than the internal diameter of bearing outer ring, and the wall thickness of guide pin bushing is less than the diameter of ball, and the wall of its guide pin bushing is drilled with and is equipped with round ball (4) in circular hole, the circular hole.Bearing shaft (5) is processed with two place's grooves, two groove centre distance greater than axle being housed with a ring washer (6) in the length of bearing outer ring, two grooves.
Advantage one of the present utility model is to adapt to bearing when rotation work, solves the specific (special) requirements that bearing outer ring and bearing shaft also need vertical stroke to slide.The 2nd, bearing inner race and axle are same one, do not need to join in addition the inner ring axle, improve the concentricity of outer ring and bearing shaft.
Description of drawings
Fig. 1: ball Throw bearing structural drawing
Fig. 2: be Fig. 1 guide pin bushing (3) unfolded drawing
Embodiment:
Bearing outer ring (1) is a hollow cylinder, end cap head (2) is stamped at the two ends of hollow cylinder, it is interference fit that the end cap head has the external diameter and the outer ring of the little step circle of one-level, this step circle, there is a circular hole at end cap head circle center, the diameter of circular hole greater than the external diameter of bearing shaft (5), make vertically gliding motility of bearing shaft.The bearing shaft two ends respectively have one groove, groove to be furnished with the axle ring washer, thereby there is difference in size in the B value of the total length of the distance A value between the inner face of two ring washers after greater than two end cap heads of outer ring fit on, makes outer ring and bearing shaft do longitudinal sliding motion in this difference in size scope.The wall thickness of lining (3) is contained in distance between the inner face on the outer ring less than the diameter of ball (4), length less than two end cap heads, the lining end walls respectively is processed with ball (4) is housed in 3-10 circular hole, the circular hole, the external diameter of lining less than the internal diameter of outer ring, make lining carry out gliding motility at the internal diameter of outer ring, the internal diameter of lining greater than the external diameter of bearing shaft (5), make and form the gap between it.
The material available metal material of the utility model ball Throw bearing, nylon, plastics, metallurgical powder manufacturing form.
Claims (6)
1, ball bearing, ball Throw bearing particularly, form by bearing outer ring [1], ball [4], bearing shaft institutes such as [5], it is characterized in that outer ring [1] is the hollow cylinder bodily form, the two ends of hollow cylinder are furnished with end cap head [2], internal diameter is furnished with guide pin bushing [3], and bearing inner race and axle are all-in-one-piece bearing shaft [5].
2, ball Throw bearing according to claim 1, the internal diameter that it is characterized in that the external diameter of guide pin bushing (3) and outer ring (1) is for movingly, and the guide pin bushing wall has circular hole.
3, ball Throw bearing according to claim 2 is characterized in that the length of the length of guide pin bushing (3) less than outer ring (1).
4, ball Throw bearing according to claim 1 is characterized in that there is circular hole at end cap head (2) center.
5, ball Throw bearing according to claim 1 is characterized in that bearing shaft (5) two ends are fluted.
6, ball Throw bearing according to claim 1 is characterized in that outer ring (1), end cap head (2), guide pin bushing (3), the material available metal material of bearing shaft (5), nylon, plastics, metallurgical powder manufacturing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90202134 CN2071721U (en) | 1990-02-26 | 1990-02-26 | Stroke ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90202134 CN2071721U (en) | 1990-02-26 | 1990-02-26 | Stroke ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2071721U true CN2071721U (en) | 1991-02-20 |
Family
ID=4883599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90202134 Withdrawn CN2071721U (en) | 1990-02-26 | 1990-02-26 | Stroke ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2071721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280802B (en) * | 2008-03-12 | 2010-08-25 | 洛阳市谱瑞慷达耐热测试设备有限公司 | Short stroke ball sliding bush |
-
1990
- 1990-02-26 CN CN 90202134 patent/CN2071721U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280802B (en) * | 2008-03-12 | 2010-08-25 | 洛阳市谱瑞慷达耐热测试设备有限公司 | Short stroke ball sliding bush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |