CN218670194U - Novel high-speed ball bearing - Google Patents

Abstract

The utility model relates to a novel high-speed ball bearing, including bearing inner race, rolling element, keep ware and sealed lid, a plurality of rolling elements set up between bearing inner race, bearing inner race is connected respectively to the both sides of sealed lid, and two sealed lids set up the both sides at bearing inner race, bearing inner race respectively, keep the ware setting between sealed lid and rolling element, the surface of the surface protrusion bearing inner race of sealed lid, bearing inner race. The utility model makes the space between the sealing cover and the bearing enlarged by projecting the sealing cover out of the outer surface of the bearing, which is beneficial to increasing the volume of the retainer, improving the strength of the retainer and improving the limit rotation speed of the bearing; simultaneously, the increased space can also increase the grease storage space, and the grease leakage prevention capacity can be improved while the bearing rotates smoothly.

Description

Novel high-speed ball bearing

Technical Field

The utility model relates to a ball bearing technical field, more specifically say, relate to a novel high-speed ball bearing.

Background

The ball bearing is widely applied in mechanical rotating mechanism, especially on high-speed rotating shaft, and features small friction resistance and high rotating speed, and may be used in parts bearing radial load or combined load acting simultaneously in radial and axial directions, as well as parts bearing axial load, such as small power motor, automobile and tractor gear box, machine tool gear box, general machine and tool, etc.

The bearing is also needed to be used on the driving motor applied to the field of new energy automobiles, the high-speed requirement of the driving motor is generally needed to be met by the bearing, the strength of the existing bearing is difficult to guarantee due to the limitation of the size under the high-speed rotation, and particularly, the situations that the retainer in the bearing is easy to break, deform and the like under the high-speed rotation condition affect the overall use of the motor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide a novel high-speed ball bearing, this bearing strength is high, rotates smoothly, satisfies new energy automobile driving motor's user demand.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a novel high-speed ball bearing, includes bearing inner race, rolling element, keeps ware and sealed lid, and a plurality of rolling elements set up between bearing inner race, bearing inner race is connected respectively to the both sides of sealed lid, and two sealed lids set up the both sides at bearing inner race, bearing inner race respectively, keep ware setting between sealed lid and rolling element, the surface protrusion bearing inner race of sealed lid, the surface of bearing inner race.

As a preferable scheme: one side of the retainer is respectively contacted with the plurality of rolling bodies, and the other side end surface of the retainer is flush with the outer surfaces of the bearing outer ring and the bearing inner ring.

As a preferable scheme: the heights of the bearing outer ring and the bearing inner ring are the same, and the height of the sealing cover protruding out of the outer surfaces of the bearing outer ring and the bearing inner ring is 1/8~1/5 of the height of the bearing inner ring.

As a preferable scheme: the section of the sealing cover is inverted U-shaped, a flanging is arranged on the inner side of the sealing cover, and a convex edge is arranged on the outer side of the sealing cover; the bearing comprises a bearing inner ring and a bearing outer ring, and is characterized in that two sides of the bearing outer ring are respectively provided with a circle of clamping grooves, the convex edges are clamped in the clamping grooves, two sides of the bearing inner ring are respectively provided with a circle of clamping rings, and the turned edges are inserted into the clamping rings.

As a preferable scheme: the outer wall of the bearing inner ring is provided with a first concave ring, the inner wall of the bearing outer ring is provided with a second concave ring, and the rolling bodies are arranged in an installation channel formed by the first concave ring and the second concave ring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model makes the space between the sealing cover and the bearing enlarged by projecting the sealing cover out of the outer surface of the bearing, which is beneficial to increase the volume of the retainer, improve the strength of the retainer and improve the limit rotating speed of the bearing; simultaneously, the increased space can also increase the grease storage space, and the grease leakage prevention capacity can be improved while the bearing rotates smoothly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

fig. 4 is a schematic sectional structure of the present invention;

fig. 5 is a schematic view of the cross-sectional exploded structure of the present invention.

The labels in the figures are: 1. a bearing outer race; 11. a second concave ring; 12. a card slot; 2. a sealing cover; 21. a rib; 22. flanging; 3. a bearing inner race; 31. a snap ring; 32. a first concave ring; 4. a rolling body; 5. a holder.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, elements, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, 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", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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 disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention will be further explained with reference to the following embodiments and drawings:

as shown in fig. 1 to 5, a novel high-speed ball bearing includes a bearing outer ring 1, a bearing inner ring 3, rolling elements 4, a retainer 5 and a sealing cover 2, wherein a plurality of rolling elements 4 are disposed between the bearing outer ring 1 and the bearing inner ring 3, two sides of the sealing cover 2 are respectively connected to the bearing outer ring 1 and the bearing inner ring 3, and two sealing covers 2 are respectively disposed on two sides of the bearing outer ring 1 and the bearing inner ring 3, the retainer 5 is disposed between the sealing cover 2 and the rolling elements 4, an outer wall of the bearing inner ring 3 is provided with a first concave ring 32, an inner wall of the bearing outer ring 1 is provided with a second concave ring 11, and a plurality of rolling elements 4 are disposed in an installation channel formed by the first concave ring 32 and the second concave ring 11.

The heights of the bearing outer ring 1 and the bearing inner ring 3 are the same, and the height of the outer surface of the sealing cover 2, which protrudes out of the outer surfaces of the bearing outer ring 1 and the bearing inner ring 3, is 1/8~1/5 of the height of the bearing inner ring 3. The section of the sealing cover 2 is U-shaped, a flange 22 is arranged on the inner side of the sealing cover 2, and a convex rib 21 is arranged on the outer side; the bearing inner race is characterized in that two sides of the bearing outer race 1 are respectively provided with a circle of clamping grooves 12, the convex edges 21 are clamped in the clamping grooves 12, two sides of the bearing inner race 3 are respectively provided with a circle of clamping rings 31, and the turned-over edges 22 are inserted into the clamping rings 31.

One side of the retainer 5 is respectively contacted with the plurality of rolling bodies 4, and the other side end face of the retainer 5 is flush with the outer surfaces of the bearing outer ring 1 and the bearing inner ring 3.

The utility model has the advantages that the sealing groove is arranged at the end face of the bearing outer ring, and the sealing cover adopts the outward-convex inverted U-shaped structure, so that the space between the retainer and the sealing cover can be greatly improved, the retainer is more robust, and the high-speed capability of the bearing is improved; in addition, grease can be better stored after the space is increased, and grease leakage prevention capacity can be improved while smooth rotation of the bearing is guaranteed.

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 do not necessarily 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.

Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims (5)

1. The utility model provides a novel high-speed ball bearing, includes bearing inner race (1), bearing inner race (3), rolling element (4), keeps ware (5) and sealed lid (2), and a plurality of rolling element (4) set up between bearing inner race (3), bearing inner race (3) are connected respectively to the both sides of sealed lid (2), and two sealed lid (2) set up the both sides at bearing inner race (3), bearing inner race (1) respectively, keep ware (5) set up between sealed lid (2) and rolling element (4), its characterized in that: the outer surface of the sealing cover (2) protrudes out of the outer surfaces of the bearing outer ring (1) and the bearing inner ring (3).

2. A novel high-speed ball bearing according to claim 1, wherein: one side of the retainer (5) is respectively contacted with the plurality of rolling bodies (4), and the end face of the other side of the retainer (5) is flush with the outer surfaces of the bearing outer ring (1) and the bearing inner ring (3).

3. A novel high-speed ball bearing according to claim 1, characterized in that: the heights of the bearing outer ring (1) and the bearing inner ring (3) are the same, and the height of the sealing cover (2) protruding out of the outer surfaces of the bearing outer ring (1) and the bearing inner ring (3) is 1/8~1/5 of the height of the bearing inner ring (3).

4. A novel high-speed ball bearing according to claim 1, characterized in that: the section of the sealing cover (2) is inverted U-shaped, a flanging (22) is arranged on the inner side of the sealing cover (2), and a convex rib (21) is arranged on the outer side; the bearing inner race is characterized in that two sides of the bearing outer race (1) are respectively provided with a circle of clamping grooves (12), the convex ribs (21) are clamped in the clamping grooves (12), two sides of the bearing inner race (3) are respectively provided with a circle of clamping rings (31), and the turned-ups (22) are inserted into the clamping rings (31).

5. A novel high-speed ball bearing according to claim 1, wherein: the outer wall of the bearing inner ring (3) is provided with a first concave ring (32), the inner wall of the bearing outer ring (1) is provided with a second concave ring (11), and the rolling bodies (4) are arranged in an installation channel formed by the first concave ring (32) and the second concave ring (11).

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