CN218408195U - High leakproofness bearing end cover - Google Patents

Abstract

The utility model relates to a bearing seal technical field specifically is a high leakproofness bearing end cover, include: the inner wall of the outer ring and the outer wall of the inner ring are both provided with rolling grooves, rolling bodies are arranged in inner cavities of the rolling grooves in a rolling mode, the rolling bodies are movably arranged on a retainer, and the retainer is rotationally arranged between the outer ring and the inner ring; the cross sections of the first sealing ring and the second sealing ring are both in a V shape, and the opening angle of the second sealing ring is larger than that of the first sealing ring; the beneficial effects are that: all set up through the cross-section with first sealing washer and second sealing washer and be "V" font, even if first sealing washer and second sealing washer use the wearing and tearing back for a long time, still can closely laminate between first sealing washer and the second sealing washer to first sealing washer and second sealing washer laminate inner circle and outer lane respectively, thereby avoid self to produce the clearance because of using the wearing and tearing back for a long time, and then improved the dust seal effect to the bearing.

Description

High leakproofness bearing end cover

Technical Field

The utility model relates to a bearing seal technical field specifically is a high leakproofness end cover.

Background

The 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.

Among the prior art, the side of bearing sets up the sealing washer in order to seal up to the lubricating grease between the outer lane in the bearing, avoids lubricating grease to reveal on the one hand, and on the other hand reduces that external dust falls into inside the bearing, and the bearing seal circle of metal material is owing to have good high temperature resistance and can be widely used.

However, at present, the requirement on the matching accuracy between the bearing sealing ring made of metal and the inner ring and the outer ring of the bearing is high, and after the sealing ring is worn after being used for a long time, a gap is easily generated between the sealing ring and the inner ring and the outer ring of the bearing, so that the sealing effect of the sealing ring is poor. Therefore, the utility model provides a high leakproofness end cover is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high leakproofness end cover to solve the problem that the metal material's that proposes among the above-mentioned background art sealing washer uses the wearing and tearing back easily and produce the clearance between the bearing inner race for a long time.

In order to achieve the above object, the utility model provides a following technical scheme: a high-sealability bearing end cap comprising:

the inner wall of the outer ring and the outer wall of the inner ring are both provided with rolling grooves, inner cavities of the rolling grooves are provided with rolling bodies in a rolling manner, the rolling bodies are movably arranged on a retainer, and the retainer is rotationally arranged between the outer ring and the inner ring; and

the first sealing ring is located at an opening end between the outer ring and the inner ring, a second sealing ring corresponding to the first sealing ring is arranged on the outer side of the first sealing ring, the cross sections of the first sealing ring and the second sealing ring are both V-shaped, the opening angle of the second sealing ring is larger than that of the first sealing ring, the first sealing ring supports the outer side wall of the inner ring, and the second sealing ring supports the inner side wall of the outer ring.

Preferably, the outer side wall of the inner ring is provided with a limiting groove, and the middle part of the first sealing ring is located in the inner cavity of the limiting groove and is in sliding connection with the inner cavity.

Preferably, the inner side of the second sealing ring is provided with a rubber sealing ring matched with the second sealing ring, and the outer side wall of the rubber sealing ring is attached to the inner side wall of the outer ring.

Preferably, one side laminating of first sealing washer has fixed fender ring, fixed fender ring and the inside wall fixed connection of outer lane.

Preferably, the opposite side of first sealing washer is provided with the annular catching groove of seting up in the outer lane inside wall, the inner chamber of annular catching groove is provided with the jump ring, the jump ring is located the side edge of outer lane.

Preferably, both sides of the first sealing ring are turned outwards to form arc-shaped parts, and the arc-shaped parts are arc-shaped and abut against the side faces of the clamp springs.

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

the utility model discloses a cross-section with first sealing washer and second sealing washer all sets up and is "V" font, and the opening angle of first sealing washer is less than the opening angle of second sealing washer, the inboard of second sealing washer sets up rubber seal, first sealing washer is because the surface of the elastic deformation of self second sealing washer of can laminating all the time, even if first sealing washer and second sealing washer use the wearing and tearing back for a long time, still can closely laminate between first sealing washer and the second sealing washer, and first sealing washer and second sealing washer laminate inner circle and outer lane respectively, thereby avoid self to produce the clearance because of using wearing and tearing back for a long time, and then improved the dustproof sealing effect to the bearing.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

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

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. an outer ring; 2. an inner ring; 3. a rolling groove; 4. a rolling body; 5. a holder; 6. a first seal ring; 7. a second seal ring; 8. a rubber seal ring; 9. fixing the baffle ring; 10. an annular catching groove; 11. a clamp spring; 12. an arcuate portion; 13. and a limiting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1 to 3, the present invention provides a technical solution:

example one

A high-sealability bearing end cap comprising: outer ring 1, inner ring 2 and first sealing washer 6.

Specifically, rolling grooves 3 are formed in the inner wall of the outer ring 1 and the outer wall of the inner ring 2, a rolling body 4 is arranged in an inner cavity of each rolling groove 3 in a rolling manner, the rolling bodies 4 are movably mounted on a retainer 5, the retainer 5 is rotatably arranged between the outer ring 1 and the inner ring 2, and the outer ring 1, the inner ring 2, the rolling grooves 3, the rolling bodies 4 and the retainer 5 are all the prior art and are not described herein again;

further, the first sealing ring 6 is located at the opening end between the outer ring 1 and the inner ring 2, the outer side of the first sealing ring 6 is provided with the second sealing ring 7 corresponding to the first sealing ring 6, the cross sections of the first sealing ring 6 and the second sealing ring 7 are both in a V shape, the opening angle of the second sealing ring 7 is larger than that of the first sealing ring 6, as can be seen from fig. 3, the V shape of the cross section of the first sealing ring 6 is an acute angle, the V shape of the cross section of the second sealing ring 7 is an obtuse angle, that is, the second sealing ring 7 can be just buckled at the opening outer side of the first sealing ring 6, the first sealing ring 6 and the second sealing ring 7 are both made of metal materials, and can be elastically deformed, the first sealing ring 6 is pressed against the outer side wall of the inner ring 2, the second sealing ring 7 is pressed against the outer side wall of the second sealing ring 7 all the time, even if the first sealing ring 6 and the second sealing ring 7 are worn after being used for a long time, the first sealing ring 6 and the second sealing ring 7 can be tightly stuck with the inner side wall of the outer ring 6, and the inner side wall of the outer ring 6 can be tightly stuck with the outer side wall of the outer ring 2, thereby the outer ring 2 can be tightly stuck all the outer side wall of the outer ring 2 can be tightly stuck, and the inner ring 6 can be tightly stuck with the inner side wall of the outer ring 2, and the inner ring 7 tightly stuck, thereby the outer ring can be prevented from tightly stuck.

Example two

On the basis of embodiment one, in order to fix a position first sealing washer 6, this application still has the lateral wall of 2 at the inner circle and has seted up limiting groove 13, the middle part of first sealing washer 6 is located limiting groove 13's inner chamber and sliding connection with it, limiting groove 13's setting is used for spacing first sealing washer 6, detain behind limiting groove 13 inner chamber when first sealing washer 6, the position of first sealing washer 6 self just can carry out preliminary location, thereby avoid first sealing washer 6 to take place to slide and lead to breaking away from between outer lane 1 and the inner circle 2.

EXAMPLE III

On the basis of embodiment two, in order to avoid first sealing washer 6 and second sealing washer 7 to take place to drop after the installation, this application still has the inboard of second sealing washer 7 to be provided with the rubber seal 8 of looks adaptation with it, the lateral wall of rubber seal 8 and the laminating of the inside wall of outer lane 1, the setting of rubber seal 8 is used for improving the sealed effect between second sealing washer 7 and outer lane 1, secondly, there is fixed fender ring 9 in the laminating of one side of first sealing washer 6, fixed fender ring 9 and the inside wall fixed connection of outer lane 1, the opposite side of first sealing washer 6 is provided with the annular catching groove 10 of seting up in the inside wall of outer lane 1, the inner chamber of annular catching groove 10 is provided with jump ring 11, jump ring 11 is located the side edge of outer lane 1, fixed fender ring 9 and jump ring 11 are located the both sides of first sealing washer 6 respectively, be used for carrying out stable location to first sealing washer 6 and second sealing washer 7, thereby avoid first sealing washer 6 and second sealing washer 7 to take place lateral shifting after the installation, that is to say, first sealing washer 6 and second sealing washer 7 only can take place to rotate after the installation, and can not take place to drop.

Example four

On the basis of embodiment three, in order to avoid first sealing washer 6 to be blocked, this application still has and all outwards turns over at the both sides limit of first sealing washer 6 and turns over and be arc portion 12, arc portion 12 is the arc and supports the side at jump ring 11, the setting of arc portion 12 is used for preventing that the side edge card of first sealing washer 6 from advancing between second sealing washer 7 and the jump ring 11 and between second sealing washer 7 and the fixed fender ring 9 to avoid the frictional resistance that first sealing washer 6 self received too big and influence the rotation of whole bearing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A high leakproofness bearing end cover which characterized in that: the method comprises the following steps:

the inner wall of the outer ring (1) and the outer wall of the inner ring (2) are both provided with rolling grooves (3), the inner cavities of the rolling grooves (3) are provided with rolling bodies (4) in a rolling manner, the rolling bodies (4) are movably arranged on a retainer (5), and the retainer (5) is rotatably arranged between the outer ring (1) and the inner ring (2); and

first sealing washer (6), first sealing washer (6) are located the open end between outer lane (1) and inner circle (2), the outside of first sealing washer (6) is provided with second sealing washer (7) that correspond with it, the cross-section of first sealing washer (6) and second sealing washer (7) all is "V" font, the opening angle of second sealing washer (7) is greater than the opening angle of first sealing washer (6), the lateral wall at inner circle (2) is supported in first sealing washer (6), second sealing washer (7) support the inside wall at outer lane (1).

2. The high-sealability bearing end cover according to claim 1, wherein: the outer side wall of the inner ring (2) is provided with a limiting groove (13), and the middle part of the first sealing ring (6) is located in the inner cavity of the limiting groove (13) and is in sliding connection with the inner cavity.

3. A high-sealability bearing end cap according to claim 2, wherein: the inner side of the second sealing ring (7) is provided with a rubber sealing ring (8) matched with the second sealing ring, and the outer side wall of the rubber sealing ring (8) is attached to the inner side wall of the outer ring (1).

4. A high-sealability bearing end cap according to claim 3, wherein: one side laminating of first sealing washer (6) has fixed fender ring (9), the fixed inside wall fixed connection who keeps off ring (9) and outer lane (1).

5. The high-sealability bearing end cover according to claim 4, wherein: the opposite side of first sealing washer (6) is provided with annular catching groove (10) of seting up in outer lane (1) inside wall, the inner chamber of annular catching groove (10) is provided with jump ring (11), jump ring (11) are located the side edge of outer lane (1).

6. The high-sealability bearing end cover according to claim 5, wherein: the two side edges of the first sealing ring (6) are outwards turned to form arc-shaped parts (12), and the arc-shaped parts (12) are arc-shaped and abut against the side faces of the clamp springs (11).

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