CN216131254U - Oil-retaining bearing for motor rotating shaft - Google Patents
Oil-retaining bearing for motor rotating shaft Download PDFInfo
- Publication number
- CN216131254U CN216131254U CN202122779620.8U CN202122779620U CN216131254U CN 216131254 U CN216131254 U CN 216131254U CN 202122779620 U CN202122779620 U CN 202122779620U CN 216131254 U CN216131254 U CN 216131254U
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- hole body
- shaft sleeve
- rotating shaft
- oil
- limited
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Abstract
The utility model relates to an oil-retaining bearing for a rotating shaft of a motor, comprising: the middle part of the shaft sleeve is provided with a first hole body for the rotating shaft to pass through; the second hole body extends to the other end along the axial direction of the end part of the shaft sleeve, and the diameter of the second hole body is larger than that of the first hole body; the limiting grooves are equally divided on the end face of the second hole body; a step surface is formed between the second hole body and the first hole body, and the step surface is matched and abutted with the insert in the installation process of the shaft sleeve, so that the axial movement of the shaft sleeve is limited; a plurality of limiting pins at the end part of the insertion piece are inserted into the limiting grooves of the shaft sleeve, so that the circumferential rotation of the shaft sleeve is limited, and the axial and circumferential movement of the shaft sleeve is limited.
Description
Technical Field
The utility model relates to a bearing, in particular to an oil-retaining bearing for a motor rotating shaft.
Background
The shaft sleeve is an important part in mechanical design, is usually sleeved on the rotating shaft to protect the rotating shaft, and is usually subjected to axial movement and circumferential rotation in the using process, so that the shaft sleeve cannot be fixed;
in conclusion, how to restrict the movement of the shaft sleeve and fix the shaft sleeve becomes a problem which needs to be solved urgently by researchers in the field.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: how to limit the movement of the shaft sleeve and fix the shaft sleeve;
in order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model is an oil-retaining bearing for a motor shaft, comprising: the middle part of the shaft sleeve is provided with a first hole body for the rotating shaft to pass through; the second hole body extends to the other end along the axial direction of the end part of the shaft sleeve, and the diameter of the second hole body is larger than that of the first hole body; the limiting grooves are equally divided on the end face of the second hole body;
in the scheme, a step surface is formed between the second hole body and the first hole body, and the step surface is matched and abutted with the insert in the installation process of the shaft sleeve, so that the axial movement of the shaft sleeve is limited; a plurality of limiting pins at the end part of the insertion piece are inserted into the limiting grooves of the shaft sleeve, so that the circumferential rotation of the shaft sleeve is limited, and the axial and circumferential movement of the shaft sleeve is limited.
In order to recover the lubricating liquid thrown out from the gap between the rotating shaft and the first hole body, the end part of the first hole body is arranged in a flaring manner;
therefore, part of thrown lubricating liquid reenters the gap between the rotating shaft and the first hole body through the flaring under the action of self gravity, the loss of the lubricating liquid can be reduced, and the service life of the shaft sleeve is prolonged.
In order to further limit the circumferential rotation of the shaft sleeve, the cross section of the outer wall of the shaft sleeve is a regular polygon;
in this way, the circumferential rotation of the sleeve can be restricted by the surface fitting with the surface of the surface.
The utility model has the beneficial effects that: the utility model relates to an oil-retaining bearing for a motor rotating shaft.A step surface is formed between a second hole body and a first hole body, and the step surface is matched and propped against an insert in the installation process of a shaft sleeve to limit the axial movement of the shaft sleeve; a plurality of limiting pins at the end part of the insertion piece are inserted into the limiting grooves of the shaft sleeve, so that the circumferential rotation of the shaft sleeve is limited, and the axial and circumferential movement of the shaft sleeve is limited.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
in the figure: 1-shaft sleeve, 2-first hole body, 3-second hole body, 4-limiting groove and 5-flaring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the present invention is an oil-impregnated bearing for a rotating shaft of a motor, comprising: the middle part of the shaft sleeve 1 is provided with a first hole body 2 for the rotating shaft to pass through; the second hole body 3 extends to the other end along the axial direction of the end part of the shaft sleeve 1, and the diameter of the second hole body 3 is larger than that of the first hole body 2; the limiting grooves 4 are equally divided on the end face of the second hole body 3;
in the scheme, a step surface is formed between the second hole body and the first hole body, and the step surface is matched and abutted with the insert in the installation process of the shaft sleeve, so that the axial movement of the shaft sleeve is limited; a plurality of limiting pins at the end part of the insertion piece are inserted into the limiting grooves of the shaft sleeve, so that the circumferential rotation of the shaft sleeve is limited, and the axial and circumferential movement of the shaft sleeve is limited.
As shown in fig. 2, in order to recover the lubricating fluid thrown out from the gap between the rotating shaft and the first hole body, the end of the first hole body 2 is arranged in a flaring 5;
therefore, part of thrown lubricating liquid reenters the gap between the rotating shaft and the first hole body through the flaring under the action of self gravity, the loss of the lubricating liquid can be reduced, and the service life of the shaft sleeve is prolonged.
As shown in FIG. 1, in order to further limit the circumferential rotation of the shaft sleeve, the cross section of the outer wall of the shaft sleeve 1 is a regular polygon;
in this way, the circumferential rotation of the sleeve can be restricted by the surface fitting with the surface of the surface.
The utility model relates to an oil-retaining bearing for a motor rotating shaft.A step surface is formed between a second hole body and a first hole body, and the step surface is matched and propped against an insert in the installation process of a shaft sleeve to limit the axial movement of the shaft sleeve; a plurality of limiting pins at the end part of the insertion piece are inserted into the limiting grooves of the shaft sleeve, so that the circumferential rotation of the shaft sleeve is limited, and the axial and circumferential movement of the shaft sleeve is limited.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. An oil impregnated bearing for a rotating shaft of an electric machine, comprising:
the middle part of the shaft sleeve is provided with a first hole body for the rotating shaft to pass through;
the second hole body extends to the other end along the axial direction of the end part of the shaft sleeve, and the diameter of the second hole body is larger than that of the first hole body;
and the limiting grooves are equally divided on the end surface of the second hole body.
2. The oil-impregnated bearing for the rotating shaft of the motor according to claim 1, wherein the end of the first hole body is flared.
3. The oil-impregnated bearing for the rotating shaft of the motor according to claim 1, wherein the cross section of the outer wall of the bushing is a regular polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122779620.8U CN216131254U (en) | 2021-11-12 | 2021-11-12 | Oil-retaining bearing for motor rotating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122779620.8U CN216131254U (en) | 2021-11-12 | 2021-11-12 | Oil-retaining bearing for motor rotating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216131254U true CN216131254U (en) | 2022-03-25 |
Family
ID=80778643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122779620.8U Active CN216131254U (en) | 2021-11-12 | 2021-11-12 | Oil-retaining bearing for motor rotating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216131254U (en) |
-
2021
- 2021-11-12 CN CN202122779620.8U patent/CN216131254U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |