CN219733944U - Corrosion-resistant ball bearing - Google Patents

Abstract

The utility model discloses a corrosion-resistant ball bearing, which comprises a bearing body, wherein the bearing body comprises an outer ring and an inner ring, a first arc-shaped groove is formed in the outer side wall of the inner ring, a second arc-shaped groove is formed in the inner side wall of the outer ring, a fixing frame is arranged between the inner ring and the outer ring, a plurality of balls are arranged on the fixing frame, one ends of the balls are positioned in the first arc-shaped groove, one ends of the balls, which are far away from the first arc-shaped groove, are positioned in the second arc-shaped groove, sealing covers are arranged on the upper side and the lower side of the outer ring, the bottom of each sealing cover is fixed on the outer ring, a sealing ring is arranged on the outer side of the outer ring, each sealing ring comprises a first ring body part and a second ring body part, a connecting part is arranged at the end part of each first ring body part, a connecting hole matched with the connecting part is formed at the end part of each second ring body part, and the first ring body part and the second ring body part are fixedly connected through the connecting part and the connecting hole. The utility model is provided with the sealing cover and the sealing ring, can completely cover the inner ring and the outer ring, improves the sealing performance and plays a role in water resistance and dust resistance.

Description

Corrosion-resistant ball bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a corrosion-resistant ball bearing.

Background

Bearings are an important component in contemporary mechanical devices. Its main function is to support the mechanical rotator, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy. The plane bearing is one of the bearings, and is an element consisting of a plane cage assembly with needle rollers or cylindrical rollers or steel balls and a plane washer. The plane bearing is divided into a plane bearing with a needle roller and a plane bearing with a ball roller, and the needle roller or the ball roller is mainly limited in position by a retainer and other parts.

In the prior art, the application number is: the utility model discloses a ball bearing, which comprises a retainer, wherein the retainer is in a circular ring shape, a plurality of rolling holes are formed in the retainer and are equidistantly arranged around the center of the retainer, the rolling holes penetrate through the upper side and the lower side of the retainer, balls are arranged in the rolling holes, a limiting retainer ring is arranged at the opening of the lower end of the rolling holes, a retainer ring inner hole communicated with the rolling holes is arranged in the limiting retainer ring, the diameter of the retainer ring inner hole is smaller than that of the balls, and at least two upper stop blocks surrounding the rolling holes are arranged at the opening of the upper end of the rolling holes.

According to the above, the conventional ball bearing is poor in corrosion resistance and rusts easily under the use condition of severe environment, so that the ball bearing cannot be used normally, meanwhile, the conventional ball bearing is poor in sealing performance, external dust and sewage easily enter the ball area of the bearing, and the service life of the ball bearing is reduced. Therefore, there is a need for an improvement in such a structure to overcome the above-mentioned drawbacks.

Disclosure of Invention

The utility model aims to provide a corrosion-resistant ball bearing which is used for solving the problems that the existing ball bearing is poor in corrosion-resistant effect, and is easy to corrode and rust under the use condition of severe environment, so that the ball bearing cannot be normally used, meanwhile, the sealing performance of the traditional cylindrical roller bearing is poor, external dust and sewage easily enter the ball area of the bearing, and the service life of the ball bearing is reduced.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a corrosion-resistant ball bearing, its includes the bearing body, the bearing body includes outer lane and inner circle, it has first arc wall to open on the lateral wall of inner circle, it has second arc wall to open on the inside wall of outer lane, the mount between inner circle and the outer lane, the mount is equipped with a plurality of balls, one of them one end of ball is located first arc wall, the one end that first arc wall was kept away from to the ball is located second arc wall, the upper and lower both sides of outer lane all are equipped with sealed lid, sealed bottom of lid is fixed on the outer lane, the outside of outer lane is equipped with the sealing ring, the sealing ring includes first ring body and second ring body, the tip of first ring body is equipped with connecting portion, open the tip of second ring body has the connecting hole with connecting portion assorted, through connecting portion and connecting hole fixed connection between first ring body and the second ring body, seal through sealing ring and sealed lid mutually supporting.

The utility model is further provided with: the first arc-shaped groove is smaller than the inner ring in height and extends along the outer surface of the inner ring in the circumferential direction, and the second arc-shaped groove is smaller than the outer ring in height and extends along the inner surface of the outer ring in the axial direction.

The utility model is further provided with: the fixing frame is provided with a plurality of fixing holes, the number of the fixing holes is consistent with that of the balls, the fixing holes are arranged around the fixing frame at equal intervals, and the diameters of the fixing holes are matched with the sizes of the balls.

The utility model is further provided with: the center of inner circle is opened there is the shaft hole, be equipped with the protective sheath in the shaft hole, the outer wall of protective sheath and the inner wall contact in shaft hole, the external diameter of protective sheath is unanimous with the internal diameter in shaft hole, the height of protective sheath is unanimous with the height in shaft hole, the diameter in shaft hole is unanimous with the diameter of through-hole.

The utility model is further provided with: the height of the sealing ring is the same as that of the outer ring, and the inner diameter of the sealing ring is consistent with the outer diameter of the sealing cover.

The utility model is further provided with: the protective sleeve is a component made of pressureless silicon carbide material.

The utility model is further provided with: the center of the sealing cover is provided with a through hole, and the diameter of the through hole is consistent with that of the shaft hole.

Compared with the prior art, the utility model has the following beneficial effects:

the sealing cover and the sealing ring are arranged, the inner ring and the outer ring can be completely coated, the sealing performance is improved, the waterproof and dustproof effects are achieved, the sealing ring and the sealing cover are components made of pressureless silicon carbide, strong acid and alkali resistance is achieved, the sealing cover is suitable for severe industrial and mining environments, meanwhile, the sealing cover has high hardness and bending strength, the bearing main body can be sealed and protected, the bearing main body is prevented from being corroded, and the service life is greatly prolonged compared with that of an existing ball bearing.

Drawings

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a schematic view of the assembly of the present utility model.

Fig. 3 is a schematic structural view of the present utility model.

Fig. 4 is a top view of the present utility model.

Fig. 5 is a cross-sectional view of the present utility model.

Number labels: the outer ring 1, the inner ring 2, the first arc-shaped groove 3, the second arc-shaped groove 4, the fixing frame 5, the ball 6, the sealing cover 7, the first ring body part 8, the second ring body part 9, the connecting part 10, the connecting hole 11 and the protecting sleeve 12

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the corrosion-resistant ball bearing provided by the utility model comprises a bearing body, the bearing body comprises an outer ring 1 and an inner ring 2, wherein a first arc-shaped groove 3 is formed on the outer side wall of the inner ring 2, a second arc-shaped groove 4 is formed on the inner side wall of the outer ring 1, a fixing frame 5 is arranged between the inner ring 2 and the outer ring 1, a plurality of balls 6 are arranged on the fixing frame 5, one end of each ball 6 is positioned in the first arc-shaped groove 3, one end of each ball 6 far away from the first arc-shaped groove 3 is positioned in the second arc-shaped groove 4, sealing covers 7 are arranged on the upper side and the lower side of the outer ring 1, a through hole is formed in the center of each sealing cover 7, the bottom of each sealing cover 7 is fixed on the outer ring 1 and used for sealing the ball 6 area, dust or sewage is prevented from entering the ball 6 area, and normal use of the bearing is ensured, the outside of outer lane 1 is equipped with the sealing ring, the sealing ring includes first ring body portion 8 and second ring body portion 9, wherein the tip of first ring body portion 8 is equipped with connecting portion 10, the tip of second ring body portion 9 is opened has with connecting portion 10 assorted connecting hole 11, pass through connecting portion 10 and connecting hole 11 fixed connection between first ring body portion 8 and the second ring body portion 9, seal the bearing body through sealing ring and sealed lid 7 mutually supporting, wherein sealing ring and sealed lid 7 are the component that adopts pressureless silicon carbide to make, strong acid and alkali resistant, be applicable to abominable industrial and mining environment, higher hardness and bending strength have simultaneously, can seal the protection to the bearing main part, avoid the bearing main part to be corroded, thereby improve life.

In the present embodiment, the first arc-shaped groove 3 has a height smaller than the height of the inner ring 2 and extends circumferentially along the outer surface of the inner ring 2, and the second arc-shaped groove 4 has a height smaller than the height of the outer ring 1 and extends axially along the inner surface of the outer ring 1.

In this embodiment, a plurality of fixing holes are formed in the fixing frame 5, the number of the fixing holes is consistent with that of the balls 6, the fixing holes are arranged around the fixing frame 5 at equal intervals, the diameters of the fixing holes are matched with the sizes of the balls 6, and the balls 6 can be limited through the fixing frame 5, so that the balls 6 are prevented from being deviated.

In this embodiment, the center of inner race 2 is opened there is the shaft hole that is used for holding the pivot, is equipped with protective sheath 12 in the shaft hole, and the outer wall of protective sheath 12 contacts with the inner wall in shaft hole, and the external diameter of protective sheath 12 is unanimous with the internal diameter in shaft hole, and the height of protective sheath 12 is unanimous with the height in shaft hole, and the diameter in shaft hole is unanimous with the diameter of through-hole, and protective sheath 12 is the component that adopts pressureless carborundum material to make, and during the use, the inner wall of protective sheath 12 contacts with the pivot, separates pivot and outer lane 1, avoids causing wearing and tearing to outer lane 1.

In this embodiment, the height of sealing ring is the same with the height of outer lane 1, and the internal diameter of sealing ring is unanimous with the external diameter of sealed lid 7, through the cooperation of sealing ring and sealed lid 7, can be with the complete cladding of inner circle 2 and outer lane 1, avoid exposing outside, can play waterproof dirt-proof effect in the abominable environment of condition, improve the adaptability of bearing main part to abominable environment.

The application process and principle of the utility model are as follows: the sealing cover 7 and the sealing ring are arranged, the inner ring 2 and the outer ring 1 can be completely coated, the sealing performance is improved, the waterproof and dustproof effects are achieved, the sealing ring and the sealing cover 7 are components made of pressureless silicon carbide, strong acid and alkali resistance is achieved, the sealing cover is suitable for severe industrial and mining environments, meanwhile, the sealing cover has high hardness and bending strength, the bearing main body can be sealed and protected, the bearing main body is prevented from being corroded, and the service life is greatly prolonged compared with that of an existing ball bearing.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a list of elements is included, and may include other elements not expressly listed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a corrosion-resistant ball bearing, its includes the bearing body, the bearing body includes outer lane and inner circle, its characterized in that, it has first arc wall to open on the lateral wall of inner circle, it has second arc wall to open on the inside wall of outer lane, mount between inner circle and the outer lane, the mount is equipped with a plurality of balls, one of them one end of ball is located first arc wall, the one end that first arc wall was kept away from to the ball is located second arc wall, the upper and lower both sides of outer lane all are equipped with sealed lid, sealed bottom of lid is fixed on the outer lane, the outside of outer lane is equipped with the sealing ring, the sealing ring includes first ring body portion and second ring body portion, the tip of first ring body portion is equipped with connecting portion, open the connecting hole with connecting portion assorted in the tip of second ring body portion, through connecting portion and connecting hole fixed connection, seal the bearing body is sealed through sealing ring and sealed lid mutually supporting.

2. The corrosion resistant ball bearing of claim 1, wherein said first arcuate groove has a height less than a height of said inner race and extends circumferentially along an outer surface of said inner race, and said second arcuate groove has a height less than a height of said outer race and extends axially along an inner surface of said outer race.

3. The corrosion resistant ball bearing of claim 1, wherein a plurality of fixing holes are formed in the fixing frame, the number of the fixing holes is identical to that of the balls, the fixing holes are equidistantly arranged around the fixing frame, and the diameters of the fixing holes are matched with the sizes of the balls.

4. The corrosion-resistant ball bearing according to claim 1, wherein the center of the inner ring is provided with a shaft hole, a protective sleeve is arranged in the shaft hole, the outer wall of the protective sleeve is in contact with the inner wall of the shaft hole, the outer diameter of the protective sleeve is consistent with the inner diameter of the shaft hole, the height of the protective sleeve is consistent with the height of the shaft hole, and the diameter of the shaft hole is consistent with the diameter of the through hole.

5. The corrosion resistant ball bearing of claim 1 wherein said seal ring has a height equal to the height of the outer race and an inner diameter corresponding to the outer diameter of the seal cover.

6. The ball bearing of claim 4 wherein said protective sleeve is a member made of pressureless silicon carbide.

7. The corrosion resistant ball bearing of claim 1, wherein said seal cap has a through hole in the center thereof, said through hole having a diameter corresponding to the diameter of the shaft hole.