CN212177661U - Rotating assembly structure with single-row bearing capable of bearing bidirectional load - Google Patents
Rotating assembly structure with single-row bearing capable of bearing bidirectional load Download PDFInfo
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- CN212177661U CN212177661U CN201921971650.5U CN201921971650U CN212177661U CN 212177661 U CN212177661 U CN 212177661U CN 201921971650 U CN201921971650 U CN 201921971650U CN 212177661 U CN212177661 U CN 212177661U
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- rotating shaft
- mounting shoulder
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Abstract
The utility model relates to a rotating component structure of a single-row bearing for bearing bidirectional load, which comprises a rotating shaft and a bearing outer sleeve arranged outside the rotating shaft, wherein the bearing outer sleeve comprises an upper straight hole, a horn hole with a small upper part and a big lower part and a lower straight hole from top to bottom; the rotating shaft is provided with an upper bearing inner mounting shoulder and a lower bearing inner mounting shoulder with upward sections; the bearing outer sleeve is positioned on the horn hole and is provided with an upper bearing outer mounting shoulder with an upward section and a lower bearing outer mounting shoulder with a downward section; an upper bearing and a lower bearing are also arranged between the rotating shaft and the rotating shaft outer sleeve; the beneficial effects of the utility model reside in that: 1. for the structural precision of the rotating assembly with the same quality in manufacturing and assembling, the outer ring is designed without a fixed sleeve, so that the manufacturing precision and the assembling precision of parts are greatly reduced. 2. The bearing adopts the cross roller to replace a ball bearing, and can bear larger axial force.
Description
Technical Field
The utility model relates to a rotating assembly.
Background
The rotating assembly in the prior art adopts the matching of a bearing outer sleeve and a steering shaft, two sets of bearings are arranged between the bearing outer sleeve and the steering shaft and are respectively positioned above the steering shaft and below the steering shaft, one end of each bearing is provided with a ferrule, and the other end of each bearing is fixed on a step; the bearing generally adopts the deep groove ball bearing, and because the structural characteristic of deep groove ball bearing, so the axial bearing capacity of deep groove ball bearing is lower, can make the bearing inside and outside cooperation produce not hard up wearing and destruction because of the drunkenness in the use.
Disclosure of Invention
In order to overcome the defect that the load bearing capacity of the existing bearing is poor, the utility model provides a rotating assembly structure with a single-row bearing bidirectional load.
The technical proposal of the utility model for solving the technical problem is that: a rotating component structure of a single-row bearing for bearing bidirectional load comprises a rotating shaft and a bearing outer sleeve arranged outside the rotating shaft, wherein the bearing outer sleeve is internally provided with through holes which are through up and down; the rotating shaft is provided with an upper bearing inner mounting shoulder and a lower bearing inner mounting shoulder with upward sections; an upper bearing outer mounting shoulder with an upward section and a lower bearing outer mounting shoulder with a downward section are arranged in the through hole of the bearing outer sleeve; an upper bearing and a lower bearing are also arranged between the rotating shaft and the rotating shaft outer sleeve;
the outer ring of the upper bearing is positioned on the outer mounting shoulder of the upper bearing, the inner ring of the upper bearing is positioned on the inner mounting shoulder of the upper bearing of the rotating shaft, the outer ring of the lower bearing is positioned on the outer mounting shoulder of the lower bearing, and the inner ring of the lower bearing is positioned on the inner mounting shoulder of the lower bearing;
the rotating shaft is also provided with a fastening component, and the lower end of the fastening component is pressed on the upper inner ring of the upper bearing;
the upper bearing is a four-point angular contact ball bearing.
And the lower bearing is selected from one or more of a ball bearing, a roller bearing, an angular contact bearing, a conical bearing and a thrust bearing.
Further, the fastening assembly comprises a fastening spacer bush and a fastening nut arranged on the fastening spacer bush.
The through holes comprise straight holes and horn holes with small upper parts and large lower parts.
The straight holes are further optimized, and comprise an upper straight hole at the upper end of the flared hole and a lower straight hole at the lower end of the flared hole.
The upper bearing may also be a cross roller bearing.
The utility model discloses with runner assembly structure installation in cooperation department when using, because do not have fixed cover in the bearing overcoat of rotating the outer lane, whole runner assembly's installation assembly is all very simple.
The beneficial effects of the utility model reside in that: 1. for the structural precision of the rotating assembly with the same quality in manufacturing and assembling, the outer ring is designed without a fixed sleeve, so that the requirements on the manufacturing precision and the assembling precision of parts are greatly reduced. 2. The bearing adopts a four-point angular contact bearing to replace a ball bearing, and can bear larger axial force.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is an enlarged schematic view at a in fig. 1.
Fig. 3 is an enlarged schematic view of another structure at a in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1
With reference to fig. 1 to 2, a rotating assembly structure for a single-row bearing to bear bidirectional load comprises a rotating shaft 1 and a bearing outer sleeve 2 arranged outside the rotating shaft 1, wherein a through hole is formed in the bearing outer sleeve 2, and the through hole comprises an upper straight hole 3, a horn hole 4 with a small upper part and a large lower part, and a lower straight hole 5 from top to bottom; an upper bearing inner mounting shoulder 6 and a lower bearing inner mounting shoulder 7 with upward sections are arranged on the rotating shaft 1; an upper bearing outer mounting shoulder 8 with an upward section and a lower bearing outer mounting shoulder 9 with a downward section are arranged on the bearing outer sleeve 2 positioned in the horn hole 4; an upper bearing 10 and a lower bearing 11 are also arranged between the rotating shaft 1 and the outer sleeve of the rotating shaft 1;
the outer ring of the upper bearing 10 is positioned on the upper bearing outer mounting shoulder 8, the inner ring of the upper bearing 10 is positioned on the upper bearing inner mounting shoulder 6 of the rotating shaft 1, the outer ring of the lower bearing 11 is positioned on the lower bearing outer mounting shoulder 9, and the inner ring of the lower bearing 11 is positioned on the lower bearing inner mounting shoulder 7;
the rotating shaft 1 is also provided with a fastening component 12, and the lower end of the fastening component 12 is pressed on the upper inner ring of the upper bearing 10;
the upper bearing 10 is a four-point angular contact ball bearing.
As an alternative to the lower bearing 11, the lower bearing 11 may be one or more of a ball bearing, a roller bearing, an angular contact bearing, a conical bearing, and a thrust bearing.
The selection of the tightening assembly 12, the tightening assembly 12 comprises a tightening spacer 13 and a tightening nut 14 arranged on the tightening spacer 13.
The utility model discloses with the runner assembly structure mounting in cooperation department when using, because the bearing overcoat 2 that rotates the outer lane does not have fixed cover, whole runner assembly's installation assembly is all very simple.
The beneficial effects of the utility model reside in that: 1. for the structural precision of the rotating assembly with the same quality in manufacturing and assembling, the outer ring is designed without a fixed sleeve, so that the requirements on the manufacturing precision and the assembling precision of parts are greatly reduced. 2. The bearing adopts a four-point angular contact bearing to replace a ball bearing, and can bear larger axial force.
Example 2
With reference to fig. 1 to 3, a rotating assembly structure for a single-row bearing to bear bidirectional load comprises a rotating shaft 1 and a bearing outer sleeve 2 arranged outside the rotating shaft 1, wherein a through hole is formed in the bearing outer sleeve 2, and the through hole comprises an upper straight hole 3, a horn hole 4 with a small upper part and a large lower part, and a lower straight hole 5 from top to bottom; an upper bearing inner mounting shoulder 6 and a lower bearing inner mounting shoulder 7 with upward sections are arranged on the rotating shaft 1; an upper bearing outer mounting shoulder 8 with an upward section and a lower bearing outer mounting shoulder 9 with a downward section are arranged on the bearing outer sleeve 2 positioned in the horn hole 4; an upper bearing 10 and a lower bearing 11 are also arranged between the rotating shaft 1 and the outer sleeve of the rotating shaft 1;
the outer ring of the upper bearing 10 is positioned on the upper bearing outer mounting shoulder 8, the inner ring of the upper bearing 10 is positioned on the upper bearing inner mounting shoulder 6 of the rotating shaft 1, the outer ring of the lower bearing 11 is positioned on the lower bearing outer mounting shoulder 9, and the inner ring of the lower bearing 11 is positioned on the lower bearing inner mounting shoulder 7;
the rotating shaft 1 is also provided with a fastening component 12, and the lower end of the fastening component 12 is pressed on the upper inner ring of the upper bearing 10;
the upper bearing 10 is a cross roller bearing.
As an alternative to the lower bearing 11, the lower bearing 11 may be one or more of a ball bearing, a roller bearing, an angular contact bearing, a conical bearing, and a thrust bearing.
The selection of the tightening assembly 12, the tightening assembly 12 comprises a tightening spacer 13 and a tightening nut 14 arranged on the tightening spacer 13.
The utility model discloses with the runner assembly structure mounting in cooperation department when using, because the bearing overcoat 2 that rotates the outer lane does not have fixed cover, whole runner assembly's installation assembly is all very simple.
The beneficial effects of the utility model reside in that: 1. for the structural precision of the rotating assembly with the same quality in manufacturing and assembling, the outer ring is designed without a fixed sleeve, so that the requirements on the manufacturing precision and the assembling precision of parts are greatly reduced. 2. The bearing adopts a four-point angular contact bearing to replace a ball bearing, and can bear larger axial force.
Claims (5)
1. The utility model provides a single-row bearing bears rotating assembly structure of two-way load, includes a pivot and locates the outer bearing housing of pivot, its characterized in that: the bearing outer sleeve is internally provided with a through hole which is through up and down; the rotating shaft is provided with an upper bearing inner mounting shoulder and a lower bearing inner mounting shoulder with upward sections; an upper bearing outer mounting shoulder with an upward section and a lower bearing outer mounting shoulder with a downward section are arranged in the bearing outer sleeve through hole; an upper bearing and a lower bearing are also arranged between the rotating shaft and the rotating shaft outer sleeve;
the outer ring of the upper bearing is positioned on the outer mounting shoulder of the upper bearing, the inner ring of the upper bearing is positioned on the inner mounting shoulder of the upper bearing of the rotating shaft, the outer ring of the lower bearing is positioned on the outer mounting shoulder of the lower bearing, and the inner ring of the lower bearing is positioned on the inner mounting shoulder of the lower bearing;
the rotating shaft is also provided with a fastening component, and the lower end of the fastening component is pressed on the upper inner ring of the upper bearing;
the upper bearing is a four-point angular contact ball bearing.
2. The structure of a bi-directional load bearing rotating assembly of claim 1, wherein: the lower bearing can be one or a combination of a plurality of ball bearings, roller bearings, angular contact bearings, conical bearings and thrust bearings.
3. The structure of a bi-directional load bearing rotating assembly of claim 1, wherein: the tightening assembly comprises a tightening spacer bush and a tightening nut arranged on the tightening spacer bush.
4. The structure of a bi-directional load bearing rotating assembly of claim 1, wherein: the perforation comprises a straight hole and a horn hole with a small upper part and a big lower part.
5. The structure of a bi-directional load bearing rotating assembly of claim 4, wherein: the straight hole comprises an upper straight hole at the upper end of the horn hole and a lower straight hole at the lower end of the horn hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921971650.5U CN212177661U (en) | 2019-11-15 | 2019-11-15 | Rotating assembly structure with single-row bearing capable of bearing bidirectional load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921971650.5U CN212177661U (en) | 2019-11-15 | 2019-11-15 | Rotating assembly structure with single-row bearing capable of bearing bidirectional load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212177661U true CN212177661U (en) | 2020-12-18 |
Family
ID=73762887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921971650.5U Active CN212177661U (en) | 2019-11-15 | 2019-11-15 | Rotating assembly structure with single-row bearing capable of bearing bidirectional load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212177661U (en) |
-
2019
- 2019-11-15 CN CN201921971650.5U patent/CN212177661U/en active Active
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