CN210423441U - Three-section type oil-retaining bearing - Google Patents

Abstract

The utility model relates to a bearing technical field discloses a syllogic oil retaining bearing, including the bearing body, the bearing body is the cylinder, the diameter of bearing body is 8.6mm, the height of bearing body is 3.6mm, be provided with the axle center hole in the center of bearing body, the shaft of bearing body is three-section cascaded structure, three-section cascaded structure includes first ladder, second ladder and third ladder, the shaft of first ladder and the crossing department of second ladder are equipped with the first riveting groove that the degree of depth is 0.4mm, the shaft of second ladder and the crossing department of third ladder are equipped with the second riveting groove that the degree of depth is 0.2mm, the corner of first ladder is provided with first ladder chamfer, bearing body port department is provided with the shaft chamfer. The bearing can be firmly installed on the motor shell, has a small friction coefficient and meets the requirement of motor work.

Description

Three-section type oil-retaining bearing

Technical Field

The utility model relates to a bearing technical field, in particular to syllogic oiliness bearing.

Background

The Bearing (Bearing) is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The bearings can be classified into rolling bearings and sliding bearings according to the frictional properties of the moving elements. Rolling bearings have been standardized and serialized, but have a larger radial size, vibration and noise, and a higher price than sliding bearings. The rolling bearing generally comprises an outer ring, an inner ring, a rolling body and a retainer. Rolling bearings are classified into ball bearings and roller bearings according to the shape of the rolling elements.

The motor is provided with an output shaft, the motor is provided with a motor shell, the output shaft of the motor extends out of the shell, and a bearing is arranged between the output shaft and the shell and used for supporting the output shaft to rotate and reducing the friction coefficient of the output shaft. The existing bearing installed on the bearing is unstable, has the risk of falling off, has large friction force and cannot meet the working requirement, so that a three-section type oil-retaining bearing is needed to solve the problems and meet the requirement of the motor to work.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a syllogic oil bearing, this bearing can firmly be installed on motor shell, and coefficient of friction is little moreover, satisfies the demand of motor work.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a syllogic oiliness bearing, includes the bearing body, the bearing body is the cylinder, the diameter of bearing body is 8.6mm, the height of bearing body is 3.6mm, be provided with the axle center hole in the center of bearing body, the shaft of bearing body is three-section cascaded structure, three-section cascaded structure includes first ladder, second ladder and third ladder, the shaft of first ladder and the crossing department of second ladder are equipped with the first riveting groove that the degree of depth is 0.4mm, the shaft of second ladder and the crossing department of third ladder are equipped with the second riveting groove that the degree of depth is 0.2mm, the corner of first ladder is provided with first ladder chamfer, bearing body port department is provided with the shaft chamfer.

Further, the diameter of the first step is 5.8mm, the diameter of the second step is 7mm, and the diameter of the third step is the diameter of the bearing body.

Further, the diameter of the axle center hole is 2 mm.

Further, two ends of the shaft center hole are provided with shaft center hole chamfers, and the chamfer size of the shaft center hole chamfers is C0.3.

Further, the chamfer size of the first step chamfer is C0.3, and the chamfer size of the column shaft chamfer is C0.5.

Further, the material of the bearing body is a pure copper material.

Compared with the prior art, the utility model discloses a syllogic oiliness bearing, this bearing includes the bearing body and sets up the axle center hole at bearing body center, the shaft of bearing body is three-section cascaded structure, the shaft of first ladder and the crossing department of second ladder are equipped with first riveting groove, the shaft of second ladder and the crossing department of third ladder are equipped with the second riveting groove, when installing this syllogic oiliness bearing, impress this bearing power on the casing of motor, this moment because the second ladder is equipped with first riveting groove and second riveting groove respectively with the third ladder in the limit, make second ladder and third ladder because the atress extends to the outside, thereby make this syllogic oiliness bearing lock in the casing of motor. Because the bearing is an oil-containing bearing, the friction coefficient of the bearing is small, and the bearing meets the requirement of the motor to work.

Drawings

FIG. 1 is a perspective view of a three-piece oil impregnated bearing;

FIG. 2 is a front view of a three-piece oil impregnated bearing;

fig. 3 is a sectional view of a three-stage oil-impregnated bearing.

In the figure: the shaft center hole comprises a bearing body 1, a shaft center hole 2, a shaft center hole 21 chamfer, a first step 31, a second step 32, a third step 33, a first riveting groove 41, a second riveting groove 42, a first step chamfer 5 and a column shaft chamfer 6.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in the figure, the utility model discloses a syllogic oiliness bearing, including bearing body 1, bearing body 1's material is pure copper material. The bearing body 1 is a cylinder, the diameter of the bearing body 1 is 8.6mm, the height of the bearing body 1 is 3.6mm, the center of the bearing body 1 is provided with an axle hole 2, the diameter of the axle hole 2 is 2mm, two ends of the axle hole 2 are provided with axle hole chamfers 21, and the chamfer size of the axle hole chamfers 21 is C0.3. The shaft of bearing body 1 is three-stage step structure, and three-stage step structure includes first ladder 31, second ladder 32 and third ladder 33, and the diameter of first ladder 31 is 5.8mm, and the diameter of second ladder 32 is 7mm, and the diameter of third ladder 33 is exactly the diameter of bearing body 1.

The first riveting groove 41 with the depth of 0.4mm is arranged at the intersection of the column body of the first step 31 and the second step 32, and the second step 32 provided with the first riveting groove 41 forms a riveting edge which can be buckled on the shell of the motor so as to fix the bearing, so that the riveting edge is used for fixing the three-section oil-retaining bearing on the shell of the motor.

The second riveting groove 42 with the depth of 0.2mm is arranged at the intersection of the column body of the second step 32 and the third step 33, the third step 33 provided with the second riveting groove 42 forms a riveting edge, and the riveting edge can be buckled on the shell of the motor so as to fix the bearing, so that the riveting edge is used for fixing the three-section type oil-retaining bearing on the shell of the motor.

The cross-sectional areas of the first and second rivet grooves 41 and 42 are each a triangle, more specifically, the triangle is an isosceles right triangle, the first and second rivet grooves 41 and 42 are both downward along the shaft, and the bottom ends of the two grooves are both acute angles.

The corner of the first step 31 is provided with a first step chamfer 5, and the port of the bearing body 1 is provided with a column body chamfer 6. The chamfer size of the first step chamfer 5 is C0.3, and the chamfer size of the column shaft chamfer 6 is C0.5.

The utility model discloses a principle and advantage: the utility model discloses a bearing is the oiliness bearing, and after the bearing processing had been good, bearing itself contained the micropore, so, after the bearing evacuation, lubricating oil will ooze into the bearing body, made whole bearing all oiliness. The oil-retaining bearing has the characteristics of low cost, vibration absorption, low noise, no need of adding lubricating oil and the like in a longer working time, and is particularly suitable for a working environment which is not easy to lubricate or is not allowed to be polluted by oil.

The utility model discloses a syllogic oiliness bearing includes bearing body 1 and sets up the axle center hole 2 at bearing body 1 center, bearing body 1's shaft is three-section cascaded structure, the shaft of first step 31 and the crossing department of second step 32 are equipped with first riveting groove 41, the shaft of second step 32 and the crossing department of third step 33 are equipped with second riveting groove 42, when installing this syllogic oiliness bearing, impress this bearing power on the casing of motor, this moment because second step 32 and the third step 33 interior limit is equipped with first riveting groove 41 and second riveting groove 42 respectively, make second step 32 and third step 33 extend to the outside because of the atress, thereby make this syllogic oiliness bearing lock in the casing of motor. Because the bearing is an oil-containing bearing, the friction coefficient of the bearing is small, and the bearing meets the requirement of the motor to work.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (6)

1. A syllogic oiliness bearing which characterized in that: the bearing comprises a bearing body, the bearing body is the cylinder, the diameter of bearing body is 8.6mm, the height of bearing body is 3.6mm, be provided with the axle center hole in the center of bearing body, the shaft of bearing body is three-section cascaded structure, three-section cascaded structure includes first ladder, second ladder and third ladder, the shaft of first ladder and the crossing department of second ladder are equipped with the first riveting groove that the degree of depth is 0.4mm, the shaft of second ladder and the crossing department of third ladder are equipped with the second riveting groove that the degree of depth is 0.2mm, the corner of first ladder is provided with first ladder chamfer, bearing body port department is provided with the shaft chamfer.

2. The three-piece oil-impregnated bearing according to claim 1, wherein: the diameter of the first step is 5.8mm, the diameter of the second step is 7mm, and the diameter of the third step is the diameter of the bearing body.

3. The three-piece oil-impregnated bearing according to claim 2, wherein: the diameter of the axle center hole is 2 mm.

4. The three-piece oil-impregnated bearing according to claim 3, wherein: and shaft hole chamfers are arranged at two ends of the shaft hole, and the chamfer size of the shaft hole chamfers is C0.3.

5. The three-stage oil-impregnated bearing according to any one of claims 1 to 4, wherein: the chamfer size of the first step chamfer is C0.3, and the chamfer size of the column shaft chamfer is C0.5.

6. The three-piece oil-impregnated bearing according to claim 5, wherein: the material of the bearing body is pure copper material.

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