CN212079931U - Rolling bearing - Google Patents

Abstract

The utility model discloses a rolling bearing, including outer lane and inner circle, the inside of inner circle encircles the location chamber that the inner circle round was equipped with an annular structure, and the inner circle is located to the outer lane cover outside, and movable mounting has the holding ring in the location chamber, is equipped with the ring mouth with location chamber intercommunication on the outer lane of inner circle, is equipped with the go-between in the ring mouth, and the interior anchor ring of go-between is installed on the holding ring, and the outer anchor ring of go-between is installed on the internal face of outer lane, all is equipped with the more than one ball groove on the both sides face of holding ring and the interior anchor ring, and equal movable. The utility model discloses simple structure can effectual storage lubricating oil, has increased the volume of lubricating oil and the time of using to can be with totally enclosed between the inside and outside lane, avoided the entering of steam or dust, increased life.

Description

Rolling bearing

Technical Field

The utility model relates to a bearing technical field, concretely relates to antifriction bearing.

Background

The bearing is a member that supports the shaft, guides the rotational motion of the shaft, and receives the load transmitted from the shaft to the frame, and the bearing is an essential part in mechanical equipment because the friction between the shaft and the object can be reduced, and the energy loss can be reduced.

However, the existing bearing is poor in sealing effect, so that dust or water vapor is easily introduced into the inside of the bearing, the service life of the bearing is shortened, a storage space is not reserved for lubricating oil, only one side of lubricating oil is stained on the outer wall surface of the ball, the lubricating effect is poor, and the service life is influenced due to the fact that the lubricating oil cannot exist for a long time.

Disclosure of Invention

The utility model aims to solve the technical problem that a rolling bearing is provided to solve the problem of proposing among the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a rolling bearing comprises an outer ring and an inner ring, wherein a positioning cavity of an annular structure is arranged in the inner part of the inner ring in a circle around the inner ring, the outer ring is sleeved outside the inner ring, a positioning ring is movably arranged in the positioning cavity, an annular opening communicated with the positioning cavity is arranged on the outer ring surface of the inner ring, a connecting ring is arranged in the annular opening, the inner ring surface of the connecting ring is arranged on the positioning ring, the outer ring surface of the connecting ring is arranged on the inner wall surface of the outer ring, more than one ball groove is respectively arranged on the two side surfaces and the inner ring surface of the positioning ring, balls are movably arranged in the ball grooves, part of each ball extends into the positioning cavity along the opening of the ball groove and is contacted with the inner wall surface of the positioning cavity, the outer ring surface of the inner ring is arranged on the two sides of the annular opening, the inner ring surface of the outer ring is outwards protruded to, and are all connected with the sealing groove in an interference manner.

As the preferred technical scheme, the width of the positioning cavity is larger than that of the annular opening, and the vertical sections of the positioning cavity and the annular opening are arranged in a T-shaped structure.

As the preferred technical scheme, rubber rings are embedded in two sides of a gap formed between the inner ring and the outer ring.

As the preferred technical scheme, more than one oil filling holes communicated with the positioning cavity are formed in one side face of the inner ring.

As the preferred technical scheme, the positioning cavities are filled with lubricating oil.

The utility model has the advantages that: the utility model discloses simple structure after changing original structure, can effectual storage lubricating oil, increased the volume of lubricating oil and the time of using to can be with totally enclosed between the inside and outside lane, avoided the entering of steam or dust, increased life.

Drawings

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

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

fig. 2 is a right side view of the present invention.

Detailed Description

Reference will now be made in detail to 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 function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for 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.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the rolling bearing of the present invention comprises an outer ring 1 and an inner ring 2, the inner portion of the inner ring 2 surrounds the inner ring and is provided with a positioning cavity 3 of an annular structure, the outer ring 1 is sleeved outside the inner ring 2, a positioning ring 4 is movably mounted in the positioning cavity 3, an annular opening 10 communicated with the positioning cavity 3 is arranged on the outer ring surface of the inner ring 2, a connecting ring 9 is arranged in the annular opening 10, the inner ring surface of the connecting ring 9 is mounted on the positioning ring 4, the outer ring surface of the connecting ring 9 is mounted on the inner wall surface of the outer ring 1, two side surfaces and the inner ring surface of the positioning ring 4 are respectively provided with more than one ball groove, balls 5 are movably mounted in the ball grooves, a part of the balls 5 extend into the positioning cavity along the opening of the ball grooves and contact with the inner wall surface of the positioning cavity 3, the outer ring surface of the inner ring 2 is, the inner ring surface of the outer ring 1 is just opposite to the sealing groove and protrudes outwards to form a sealing ring 8, and one end of the sealing ring 8 is inserted into the corresponding sealing groove and is in interference connection with the sealing groove.

In this embodiment, the width of the positioning cavity 3 is greater than the width of the annular opening 10, the vertical sections of the positioning cavity 3 and the annular opening 10 are arranged in a "T" shape, and the connecting ring and the positioning ring are also arranged in a "T" shape.

In this embodiment, the rubber circle 7 is all installed to the equal embedded rubber circle of installing in gap both sides that forms between inner circle 2 and the outer lane 1, and this bearing can be taken out from the gap, when the installation, can be at rubber circle and inner circle adhesion, and not adhesion between the outer lane, increase the fastness of rubber circle, avoided dropping, can not influence the rotation of outer lane yet.

In the embodiment, more than one oil filling holes 6 communicated with the positioning cavity are formed in one side surface of the inner ring 2, and the bearing part can be quickly lubricated through the oil filling holes.

In this embodiment, all fill lubricating oil in the location chamber 3, lubricating oil is saved in the location chamber.

This device sets up the ball in the location chamber, and can save a large amount of lubricating oil through the location chamber for the ball can be long-time be in lubricated state, has reduced the friction, has also reduced the number of times that lubricating oil added.

Wherein, the gap between outer lane and the inner circle is sealed by sealing ring and seal groove, has avoided outside dust and steam to get into the location chamber to contact the ball, and then further increase the leakproofness through the rubber circle, thereby the effectual life who increases the bearing.

The outer ring can be acted on by the balls, the movable ball bearing device rotates along the positioning cavity movably, stability and quantity are increased through the balls of the triangular parts, and pressure on the side face can be borne better.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (5)

1. A rolling bearing characterized in that: the inner ring structure comprises an outer ring (1) and an inner ring (2), a positioning cavity (3) of an annular structure is arranged in the inner ring (2) in a circle around the inner ring, the outer ring (1) is sleeved outside the inner ring (2), a positioning ring (4) is movably arranged in the positioning cavity (3), an annular opening (10) communicated with the positioning cavity (3) is arranged on the outer ring surface of the inner ring (2), a connecting ring (9) is arranged in the annular opening (10), the inner ring surface of the connecting ring (9) is arranged on the positioning ring (4), the outer ring surface of the connecting ring (9) is arranged on the inner wall surface of the outer ring (1), more than one ball groove is respectively arranged on the two side surfaces and the inner ring surface of the positioning ring (4), balls (5) are movably arranged in the ball grooves, part of each ball (5) extends into the positioning cavity along the opening of the ball groove and is contacted with the inner wall surface of the positioning cavity (3), and sealing grooves of the annular structure are respectively arranged on the two sides, the inner ring surface of the outer ring (1) is opposite to the sealing groove and protrudes outwards to form a sealing ring (8), and one end of the sealing ring (8) is inserted into the corresponding sealing groove and is in interference connection with the sealing groove.

2. Rolling bearing according to claim 1, characterized in that: the width of the positioning cavity (3) is larger than that of the annular opening (10), and the vertical sections of the positioning cavity (3) and the annular opening (10) are arranged in a T-shaped structure.

3. Rolling bearing according to claim 1, characterized in that: rubber rings (7) are embedded in two sides of a gap formed between the inner ring (2) and the outer ring (1).

4. Rolling bearing according to claim 1, characterized in that: more than one oil filling holes (6) communicated with the positioning cavity are formed in one side face of the inner ring (2).

5. Rolling bearing according to claim 1, characterized in that: the positioning cavities (3) are filled with lubricating oil.

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