CN216519173U

CN216519173U - Corrosion-resistant bearing ring for air conditioner

Info

Publication number: CN216519173U
Application number: CN202123386556.3U
Authority: CN
Inventors: 赵岳新
Original assignee: Xinchang Longhao Bearing Co ltd
Current assignee: Xinchang Longhao Bearing Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-13
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses an anti-corrosion bearing ring for an air conditioner, which comprises: the inner side of the outer ring is provided with an inner ring groove, roller pins are circumferentially distributed in the inner ring groove, the outer side of the inner ring is provided with an outer ring groove, the roller pins are in contact with the outer ring groove and the inner ring groove, and the outer diameter of the inner ring is 1-5mm smaller than the inner diameter of the outer ring. The utility model has novel structure, smooth rotation, good transmission effect, low cost, dustproof function and long service life.

Description

Corrosion-resistant bearing ring for air conditioner

Technical Field

The utility model belongs to the technical field of bearing rings, and particularly relates to a corrosion-resistant bearing ring for an air conditioner.

Background

Bearing rings are annular parts of radial rolling bearings with one or several raceways, one of the main components that make up the bearings, and are common in air conditioning applications.

The current bearing ring for air conditioners has the following defects: 1. the balls move in the roller path of the bearing ring, and the balls are connected through the retainer, so that the structure is complex, and the manufacturing cost is high; 2. large-particle dust easily enters the roller path from the gap between the inner ring and the outer ring, so that the abrasion of the ball and the roller path is serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the prior art, and provides the corrosion-resistant bearing ring for the air conditioner, which has the advantages of novel structure, smooth rotation, good transmission effect, low cost, dustproof function and long service life.

In order to solve the technical problems, the utility model adopts the following technical scheme:

an anti-corrosion bearing ring for an air conditioner, comprising: inner circle and outer lane, its characterized in that: an inner ring groove is arranged on the inner side of the outer ring, roller pins are circumferentially distributed in the inner ring groove, an outer ring groove is arranged on the outer side of the inner ring, the roller pins are in contact with the outer ring groove and the inner ring groove, and the outer diameter of the inner ring is 1-5mm smaller than the inner diameter of the outer ring. The bearing ring has the advantages of novel structure, smooth rotation, good transmission effect, low cost, dustproof function and long service life.

Furthermore, a sealing cover is arranged on the outer ring and covers a gap between the outer ring and the inner ring, the inner diameter of the sealing cover is larger than that of the inner ring, foreign matters such as dust are prevented from entering the inner ring groove and the outer ring groove from the gap between the outer ring and the inner ring, the rolling needles are kept to rotate in a clean environment, abrasion is slowed down, and the service life is prolonged.

Furthermore, a first convex ring and a second convex ring are arranged on the sealing cover, a first annular groove corresponding to the first convex ring is arranged on the outer ring, a second annular groove corresponding to the second convex ring is arranged on the inner ring, rapid installation and positioning of the sealing cover are achieved, installation difficulty is reduced, the first convex ring is matched with the first annular groove, the second convex ring is matched with the second annular groove, an inner-outer double-prevention line is formed, lubricating oil is effectively prevented from leaking outwards, waste is caused, and the utilization rate of the lubricating oil is improved.

Furthermore, the thickness of the first convex ring is larger than the depth of the first annular groove, the thickness of the second convex ring is larger than the depth of the second annular groove, the contact of the sealing cover with the outer ring and the inner ring is avoided, the contact area of the sealing cover with the outer ring and the inner ring is reduced, abrasion is slowed down, and the influence on the rotation of the inner ring is reduced.

Furthermore, the sealing cover is connected with a fastening bolt, and the outer ring is provided with a limiting screw hole corresponding to the fastening bolt, so that the fixing is reliable, the dismounting is convenient to replace and clean.

Furthermore, an oil filling hole is formed in the outer ring and communicated with the inner ring groove, and lubricating oil can be conveniently added.

Furthermore, a plug is arranged on the oil filling hole to plug the oil filling hole, so that foreign matters such as dust and the like are prevented from entering the inner ring groove through the oil filling hole to pollute the lubricating oil.

Furthermore, the outer ring is uniformly provided with the transverse through holes, so that air convection is facilitated, heat is taken away, the heat dissipation efficiency is improved, and the influence on the use performance of the outer ring caused by heat accumulation is avoided.

Furthermore, the surfaces of the inner ring, the outer ring and the roller pins are all provided with zinc coatings, so that the corrosion resistance of the inner ring, the outer ring and the roller pins is improved, the inner ring, the outer ring and the roller pins are not easy to corrode and rust, and the service life is long.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. the roller pins are in contact with the outer ring groove and the inner ring groove, the rotation is smooth, the transmission effect is good, the roller pins replace balls and a retainer, and the cost is reduced.

2. The sealing cover covers the gap between the outer ring and the inner ring, so that foreign matters such as dust and the like are prevented from entering the inner ring groove and the outer ring groove from the gap between the outer ring and the inner ring, the rolling needles are kept to rotate in a clean environment, the abrasion is slowed down, the service life is prolonged, the lubricating oil is not easy to run off outwards, the utilization rate is improved, and the lubricating time is prolonged; first bulge loop and the cooperation of first annular, second bulge loop and the cooperation of second annular, realize the quick installation location of sealed lid, form inside and outside double-pass line of defence simultaneously, effectively prevent lubricating oil exosmosis and cause the waste, improved the utilization ratio of lubricating oil.

Drawings

The utility model will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of a corrosion-resistant bearing ring for an air conditioner according to the present invention;

FIG. 2 is a schematic view of the connection between the outer ring and the inner ring according to the present invention;

FIG. 3 is a schematic structural view of an outer ring according to the present invention;

FIG. 4 is a schematic view of the inner ring structure of the present invention;

fig. 5 is a schematic structural view of the sealing cap of the present invention.

In the figure: 1-inner ring; 2-outer ring; 3-inner ring groove; 4-rolling needles; 5-outer ring groove; 6-transverse through holes; 7-a plug head; 8-oil hole; 9-sealing cover; 10-a first convex ring; 11-a second convex ring; 12-a first ring groove; 13-a second ring groove; 14-a fastening bolt; 15-limit screw holes.

Detailed Description

As shown in fig. 1 to 5, the corrosion-resistant bearing ring for air conditioners according to the present invention comprises: the inner ring comprises an inner ring 1 and an outer ring 2, an inner ring groove 3 is arranged on the inner side of the outer ring 2, a roller pin 4 is rotationally connected in the inner ring groove 3, an outer ring groove 5 is arranged on the outer side of the inner ring 1, the roller pin 4 is in contact with the outer ring groove 5 and the inner ring groove 3, the rotation is smooth, the transmission effect is good, a ball and a retainer are replaced, the cost is reduced, the outer diameter of the inner ring 1 is smaller than the inner diameter of the outer ring 2 by 1-5mm, a small gap is formed, the rotation of the inner ring 1 is not influenced, large-particle dust is not easy to enter, and a certain dust blocking effect is achieved. The outer ring 2 is uniformly provided with the transverse through holes 6, so that air convection is facilitated, heat is taken away, the heat dissipation efficiency is improved, and the influence on the use performance of the outer ring 2 caused by heat accumulation is avoided. The surfaces of the inner ring 1, the outer ring 2 and the roller pin 4 are all provided with zinc coatings, so that the corrosion resistance of the inner ring 1, the outer ring 2 and the roller pin 4 is improved, the corrosion and rust are not easy to occur, and the service life is long. An oil filling hole 8 is formed in the outer ring 2, the oil filling hole 8 is communicated with the inner ring groove 3, and lubricating oil can be conveniently added. The oil filler hole 8 is provided with a plug 7 for plugging the oil filler hole 8, thereby preventing foreign matters such as dust and the like from entering the inner ring groove 3 through the oil filler hole 8 to pollute the lubricating oil.

Be equipped with sealed lid 9 on the outer lane 2, sealed lid 9 does not shelter from horizontal through-hole 6, sealed lid 9 covers the clearance between outer lane 2 and the inner circle 1, the internal diameter of sealed lid 9 is greater than the internal diameter of inner circle 1, prevent foreign matters such as dust from getting into inner ring groove 3, outer annular groove 5 from the clearance between outer lane 2 and the inner circle 1, keep kingpin 4 to rotate in clean environment, slow down wearing and tearing, increase of service life, lubricating oil is difficult for outwards running off also, the utilization ratio is improved, the lubrication time has been prolonged. Be equipped with first bulge loop 10 and second bulge loop 11 on the sealed lid 9, be equipped with on the outer lane 2 with the first annular 12 that first bulge loop 10 is corresponding, be equipped with the second annular 13 corresponding with second bulge loop 11 on the inner circle 1, realize the quick installation location of sealed lid 9, the installation degree of difficulty has been reduced, first bulge loop 10 and the cooperation of first annular 12, second bulge loop 11 and the cooperation of second annular 13, form inside and outside double-pass line of defence, effectively prevent lubricating oil exosmosis and cause the waste, the utilization ratio of lubricating oil has been improved. The sealing cover 9 is connected with a fastening bolt 14, and the outer ring 2 is provided with a limiting screw hole 15 corresponding to the fastening bolt 14, so that the fixing is reliable, the disassembly is realized, and the replacement and the cleaning are convenient. The thickness of first bulge loop 10 is greater than the degree of depth of first annular 12, and the thickness of second bulge loop 11 is greater than the degree of depth of second annular 13, avoids sealed lid 9 and outer lane 2, the contact of inner circle 1 wainscot, has reduced the area of contact of sealed lid 9 with outer lane 2, inner circle 1, slows down wearing and tearing, has reduced the influence to inner circle 1 pivoted.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.

Claims

1. Corrosion-resistant bearing ring for air conditioner includes:

an inner ring and an outer ring,

the method is characterized in that:

the inner side of the outer ring is provided with an inner ring groove, roller pins are distributed in the inner ring groove in the circumferential direction, an outer ring groove is arranged on the outer side of the inner ring, the roller pins are in contact with the outer ring groove and the inner ring groove, and the outer diameter of the inner ring is 1-5mm smaller than the inner diameter of the outer ring.

2. The corrosion-resistant bearing ring for air conditioners according to claim 1, wherein: the outer ring is provided with a sealing cover, the sealing cover covers a gap between the outer ring and the inner ring, and the inner diameter of the sealing cover is larger than that of the inner ring.

3. The corrosion-resistant bearing ring for air conditioners according to claim 2, wherein: the sealing cover is provided with a first convex ring and a second convex ring, the outer ring is provided with a first annular groove corresponding to the first convex ring, and the inner ring is provided with a second annular groove corresponding to the second convex ring.

4. The corrosion-resistant bearing ring for air conditioners according to claim 3, wherein: the thickness of first bulge loop is greater than the degree of depth of first annular, the thickness of second bulge loop is greater than the degree of depth of second annular.

5. The corrosion-resistant bearing ring for air conditioners according to any one of claims 2 to 4, wherein: the sealing cover is connected with a fastening bolt, and the outer ring is provided with a limiting screw hole corresponding to the fastening bolt.

6. The corrosion-resistant bearing ring for air conditioners according to claim 1, wherein: and an oil filling hole is formed in the outer ring and communicated with the inner ring groove.

7. The corrosion-resistant bearing ring for air conditioners according to claim 6, wherein: and a plug is arranged on the oil filling hole.

8. The corrosion-resistant bearing ring for air conditioners according to claim 1, wherein: and transverse through holes are uniformly distributed on the outer ring.

9. The corrosion-resistant bearing ring for air conditioners according to claim 1, wherein: and the surfaces of the inner ring, the outer ring and the roller pin are all provided with a zinc coating.