CN218207465U - High-load full needle roller bearing with oil groove - Google Patents

Abstract

The utility model belongs to the needle bearing field, concretely relates to high load area oil groove full needle bearing, the utility model discloses a solve full needle bearing kingpin more, the clearance between kingpin and the kingpin is very little, lubricating grease is difficult to enter, cause lubricated insufficient problem easily, the both sides of this scheme bearing inner race all are equipped with the flange of rather than integrative setting, the flange is equipped with the oil drain with the junction of bearing inner race, the bearing inner race is the ring form, install a plurality of kingpins between bearing inner race and the bearing outer race; the outside of bearing inner race is equipped with at least one outer oil groove, and the inside of bearing inner race is equipped with at least one interior oil groove, all is equipped with the oilhole that runs through the bearing inner race setting on the outer oil groove of bearing inner race and the interior oil groove, and the oilhole can in time replenish lubricating grease in the bearing clearance, makes the whole lubricating property of bearing better, and then improves bearing life.

Description

High-load full needle bearing with oil groove

Technical Field

The utility model belongs to the bearing field, concretely relates to high load area oil groove full bearing.

Background

The needle bearing is a special cylindrical roller bearing, the length of a rolling body is many times larger than the diameter of the rolling body, the improved roller and raceway profile can prevent stress concentration, the needle bearing is provided with a thin and long roller, and therefore, the needle bearing is compact in radial structure, the inner diameter size and the load capacity of the needle bearing are the same as those of other types of bearings, the outer diameter of the needle bearing is the minimum, and the needle bearing is particularly suitable for supporting parts with limited radial installation sizes.

The full needle bearing has the advantages that the number of needles is large, the needles can bear higher load, when the full needle bearing rotates, the needles cling to each other to slide, compared with the needle bearing with the retainer, more friction and heat are generated, the gap between the needles is very small, lubricating grease is difficult to enter, and the problem of insufficient lubrication is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a purpose: the utility model discloses a it is more to solve full bearing kingpin, and the clearance between kingpin and the kingpin is very little, and lubricating grease is just hardly entered, causes lubricated insufficient problem easily, the utility model provides a high load area oil groove full bearing, this scheme increase oil groove and oilhole on full bearing, make between the entering into kingpin that lubricating oil or lubricating grease can be fine, make the bearing move more in a flexible way to improve the life-span of bearing.

The purpose of the utility model is realized like this: the high-load full needle bearing with the oil grooves comprises a bearing outer ring and a bearing inner ring;

flanges which are integrally arranged with the bearing outer ring are arranged on two sides of the bearing outer ring, an oil groove is arranged at the joint of the flange and the bearing outer ring, the bearing inner ring is annular, and a plurality of roller pins are arranged between the bearing outer ring and the bearing inner ring; the outside of bearing inner race is equipped with at least one outer oil groove, and the inside of bearing inner race is equipped with at least one interior oil groove, all be equipped with the oilhole that runs through the bearing inner race setting on the outer oil groove of bearing inner race and the interior oil groove.

Further, a plurality of outer oil grooves and a plurality of interior oil grooves dislocation distribution.

Still further, the quantity of outer oil groove is two, and the quantity of interior oil groove is one.

Furthermore, a guide slope is arranged on the raceway of the bearing inner ring close to the end face.

Still further, the width of the guide slope in the direction of the bearing inner ring axis is smaller than the thickness of the rib.

Has the advantages that:

this scheme bearing has a plurality of outer oil grooves and a plurality of interior oil groove, and consequently lubricated better because the kingpin number is more than the kingpin number of taking the holder, so can bear higher load. This bearing can contact with the assembly body at the outer oil groove of during operation, and lubricating grease is in time supplied to the bearing needle clearance in the same direction as the oilhole, makes the whole lubricating property of bearing better, and then improves bearing life. The full needle roller bearing can be applied to working conditions such as swinging motion or static load. The bearing has three oil grooves and two oil grooves, and lubricating grease can better enter between the roller pins in the operation process, so that the lubricating grease is better lubricated, and the roller pins can bear higher load because the number of the roller pins is more than that of the roller pins with the retainer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a half sectional view of the present invention;

FIG. 2 is a side view of the present invention;

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 in specific cases to those skilled in the art.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

For the convenience of understanding the embodiments of the present invention, the following description will be given by way of example only with reference to the accompanying drawings, and the embodiments are not limited thereto.

The first specific implementation way is as follows: the high-load needle roller bearing with full oil grooves comprises a bearing outer ring 1 and a bearing inner ring 2;

two sides of the bearing outer ring 1 are respectively provided with a flange 1-1 which is integrated with the bearing outer ring, an oil groove 1-5 is arranged at the joint of the flange 1-1 and the bearing outer ring 1, the bearing inner ring 2 is annular, and a plurality of roller pins 3 are arranged between the bearing outer ring 1 and the bearing inner ring 2; the bearing outer ring comprises a bearing outer ring 1 and is characterized in that at least one outer oil groove 1-2 is arranged outside the bearing outer ring 1, at least one inner oil groove 1-3 is arranged inside the bearing outer ring 1, and oil holes 1-4 penetrating through the bearing outer ring 1 are formed in the outer oil groove 1-2 and the inner oil groove 1-3 of the bearing outer ring 1.

In the present embodiment: the bearing is composed of a bearing inner ring, an outer oil groove and an inner oil groove of a bearing outer ring can carry lubricating grease, an oil hole can allow the grease to pass through, the grease enters the rolling needle through the oil hole to lubricate the rolling needle, the grease enters an oil groove after the rolling needle moves, a lubricating effect is provided for the bearing to operate, and the service life of the bearing is guaranteed.

The second embodiment is as follows: the high-load bearing is full of needle roller bearings with oil grooves, and the plurality of outer oil grooves 1-2 and the plurality of inner oil grooves 1-3 are distributed in a staggered mode.

In the present embodiment: the bearing has a plurality of outer oil grooves and a plurality of inner oil grooves in common, so that the bearing is better in lubrication, full roller pins have higher rotating speed, and the roller pins can bear higher load because the number of the roller pins is larger than that of the roller pins with the retainer.

Other embodiments are the same as the first embodiment.

The third concrete implementation mode: the high-load full needle roller bearing with the oil grooves is characterized in that the high-load full needle roller bearing with the oil grooves is full, the number of the outer oil grooves 1-2 is two, and the number of the inner oil grooves 1-3 is one.

Other embodiments are the same as the first embodiment.

The fourth concrete implementation mode: the high-load bearing is full of needle roller bearings with oil grooves, and a guide slope is arranged on a raceway of the bearing inner ring 2 and close to the end face.

Other embodiments are the same as the first embodiment.

The fifth concrete implementation mode: the high-load oil groove full needle bearing is characterized in that the width of the guide slope 2-1 in the direction of the axis of the bearing inner ring 2 is smaller than the thickness of the flange 1-1.

In the present embodiment: the stroke of the guide slope is equal to the thickness of the flange, namely the width of the middle of the raceway part of the bearing inner ring is adaptive to the length of the needle roller.

The other embodiments are the same as the fourth embodiment.

The working principle is as follows:

the full needle bearing is generally applied to working conditions such as low rotating speed, swing motion or static load, and the working performance of the bearing depends on whether the selection of a needle clearance and the tolerance of an inner raceway and an outer raceway in the design is reasonable or not. Ideally, the needles should be evenly distributed on the diameter of the center circle of the needles. This bearing can contact with the assembly body at the outer oil groove of during operation, and lubricating grease is in the same direction as the oilhole and is supplied to the bearing needle clearance, makes the whole lubricating property of bearing better, and then improves bearing life. The full needle bearing is a full needle bearing, and is provided with an inner ring without flanges and an outer ring with two flanges, needle rollers are arranged between the inner ring and the outer ring, and the full needle bearing is mainly designed to control the gap between the needle rollers and the needle rollers so that the needle rollers can rotate under the condition that the needle rollers cannot fall off.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. Full bearing of high load area oil groove, its characterized in that: the bearing comprises a bearing outer ring (1) and a bearing inner ring (2);

flanges (1-1) which are integrally arranged with the bearing outer ring (1) are arranged on two sides of the bearing outer ring (1), oil grooves (1-5) are arranged at the joint of the flanges (1-1) and the bearing outer ring (1), the bearing inner ring (2) is annular, and a plurality of roller pins (3) are arranged between the bearing outer ring (1) and the bearing inner ring (2); the bearing outer ring is characterized in that at least one outer oil groove (1-2) is arranged outside the bearing outer ring (1), at least one inner oil groove (1-3) is arranged inside the bearing outer ring (1), and oil holes (1-4) penetrating through the bearing outer ring (1) are formed in the outer oil groove (1-2) and the inner oil groove (1-3) of the bearing outer ring (1).

2. The high load oil groove-filled needle bearing of claim 1, wherein: the outer oil grooves (1-2) and the inner oil grooves (1-3) are distributed in a staggered manner.

3. The high load oil groove-filled needle bearing of claim 1, wherein: the number of the outer oil grooves (1-2) is two, and the number of the inner oil grooves (1-3) is one.

4. The high load oil groove-filled needle bearing of claim 1, wherein: and a guide slope (2-1) is arranged at the end face of the bearing inner ring (2).

5. The high load, oil-grooved, needle-filled bearing of claim 4 wherein: the width of the guide slope (2-1) along the axial direction of the bearing inner ring (2) is smaller than the thickness of the rib (1-1).

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