Metal bearing with high-wear-resistance metal layer

Abstract

The utility model relates to the technical field of metal bearings, and provides a metal bearing with a high wear-resistant metal layer, which comprises a bearing assembly, the bearing assembly comprises an outer ring, an inner ring, a corrosion-resistant layer, a rolling body and a retainer, and the retainer is arranged on the inner side of the outer ring. By arranging the fixing structure, the sealing ring is moved into the groove through the rubber strip, one end of the clamping block abuts against one end of the clamping groove, the sealing ring is pushed, under the action of the reserved groove, the sealing ring drives the clamping block to move into the clamping groove, then the sealing ring and the outer ring are mutually clamped and fixed, and under the action of the sealing ring, the sealing ring and the outer ring are clamped and fixed. According to the metal bearing with the high-wear-resistance metal layer, external substances are prevented from entering the bearing assembly, meanwhile, oil leakage can be prevented, the sealing ring is pulled through the rubber strip, then the sealing ring and the outer ring are separated from each other, the function that the sealing ring is convenient to replace is achieved, and therefore the use convenience of the metal bearing with the high-wear-resistance metal layer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal bearings, in particular to a metal bearing with a high wear-resistant metal layer. Background Art

[0002] Metal bearings can convert rotary motion into linear motion, reduce the friction coefficient of motion, and reduce the energy loss of machinery and equipment caused by motion. In equipment, metal bearings can reduce friction and wear between machine parts, improve the operating efficiency and life of equipment, and effectively reduce vibration and noise, improve the working accuracy and reliability of equipment. They are widely used in various machinery and equipment, and there are many types of them. A metal bearing with a high wear-resistant metal layer is an important part of it.

[0003] It is inconvenient to replace the sealing ring of the existing metal bearing during use. The sealing ring is easily damaged after long-term use, resulting in poor sealing effect, making it extremely inconvenient to use. Utility Model Content

[0004] The utility model aims to provide a metal bearing with a high wear-resistant metal layer, so as to solve the defect that it is inconvenient to replace the sealing ring of the existing metal bearing with a high wear-resistant metal layer.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a metal bearing with a highly wear-resistant metal layer, comprising a bearing assembly;

[0006] The bearing assembly comprises an outer ring, an inner ring, a corrosion-resistant layer, rolling elements and a cage, wherein the inner side of the outer ring is provided with a cage, the inner side of the cage is provided with rolling elements evenly, the inner ring is provided on one side of the cage, and the inner side of the outer ring is provided with a lubrication structure;

[0007] The outer side wall of the outer ring is provided with a corrosion-resistant layer, and the inner side of the inner ring is provided with a protective structure;

[0008] Fixed structures are provided on both sides of the inner part of the outer ring, and the fixed structures include sealing rings, clamping grooves, clamping blocks, reserved grooves, rubber strips and grooves. The grooves are provided on both sides of the inner part of the outer ring, and sealing rings are provided inside the grooves. Clamping grooves are provided at both ends of one side of the sealing ring inside the outer ring, and clamping blocks are provided inside the clamping grooves. Reserved grooves are provided inside the clamping blocks, and rubber strips are fixed on the outer side of the sealing ring.

[0009] When using the device, by providing a fixing structure, the device can facilitate the replacement of the sealing ring, thereby improving the convenience of the metal bearing with a high wear-resistant metal layer when in use; by providing a lubrication structure, the device can facilitate the reduction of friction, thereby improving the applicability of the metal bearing with a high wear-resistant metal layer when in use; by providing a protective structure, the service life of the metal bearing with a high wear-resistant metal layer when in use is extended.

[0010] Preferably, the corrosion-resistant layer is actually an epoxy resin coating, and the rolling elements are evenly spaced inside the cage. The corrosion-resistant layer is actually an epoxy resin coating, which has excellent corrosion resistance, good wear resistance, elasticity and hardness, etc., and enhances the strength of the bearing assembly.

[0011] Preferably, the lubrication structure includes an oil filling hole, an annular groove, a sealing block, a sealing cover, a groove and a connecting groove. The annular groove is arranged inside the outer ring, and the inner side of the annular groove is evenly provided with connecting grooves inside the outer ring. An oil filling hole is arranged inside the outer ring on one side of the annular groove, and a sealing block is arranged at one end inside the oil filling hole. One side of the sealing block extends to the outside of the outer ring and is fixed with a sealing cover, and grooves are arranged at both ends inside the sealing cover. The sealing cover is pulled through the groove, and the sealing cover drives the sealing block to move to the outside of the oil filling hole, and the lubricating oil is injected into the inside of the oil filling hole, and the lubricating oil enters the inside of the annular groove through the oil filling hole.

[0012] Preferably, the sealing block and the outer ring form a snap-fit ​​structure through the oil injection hole, and one end of the connecting groove contacts the rolling body. Then the lubricating oil contacts the rolling body through the connecting groove, and the rolling body makes the lubricating oil adhere to the surface of the retainer to reduce the wear caused by friction.

[0013] Preferably, the clamping block and the outer ring form a clamping structure through the clamping groove, and one end of the clamping block extends to the outside of the clamping groove and is fixedly connected to one side of the sealing ring. The sealing ring is moved to the inside of the groove through the rubber strip, so that one end of the clamping block contacts one end of the clamping groove, pushing the sealing ring. Under the action of the reserved groove, the sealing ring drives the clamping block to move to the inside of the clamping groove, so that the sealing ring and the outer ring are clamped and fixed to each other. Under the action of the sealing ring, foreign substances are prevented from entering the interior of the bearing assembly, and oil leakage can be prevented at the same time. The sealing ring is pulled by the rubber strip, so that the sealing ring and the outer ring are separated from each other, which is convenient for replacing the sealing ring.

[0014] Preferably, the protective structure includes a metal base layer, a high temperature resistant layer and a wear resistant layer, the metal base layer is arranged on the inner side wall of the inner ring, the inner side wall of the metal base layer is provided with a high temperature resistant layer, and the inner side wall of the high temperature resistant layer is provided with a wear resistant layer. The metal base layer is arranged on the inner side wall of the inner ring, and the high temperature resistant layer is arranged on the inner side wall of the metal base layer. The high temperature resistant layer is actually a polyphenylene sulfide coating, which has excellent high temperature resistance, chemical resistance, weather resistance, flame retardancy, etc.

[0015] Preferably, the high temperature resistant layer is actually a polyphenylene sulfide coating, and the wear resistant layer is actually a high chromium cast iron coating. The wear resistant layer is actually a high chromium cast iron coating, which has high hardness and wear resistance.

[0016] The utility model provides a metal bearing with a highly wear-resistant metal layer, which has the advantages of:

[0017] By providing a fixing structure, the sealing ring is moved to the inside of the groove through the rubber strip, so that one end of the clamping block contacts one end of the clamping groove, and the sealing ring is pushed. Under the action of the reserved groove, the sealing ring drives the clamping block to move to the inside of the clamping groove, so that the sealing ring and the outer ring are clamped and fixed to each other. Under the action of the sealing ring, foreign substances are prevented from entering the inside of the bearing assembly, and oil leakage can be prevented at the same time. The sealing ring is pulled by the rubber strip, so that the sealing ring and the outer ring are separated from each other, which is convenient for replacing the sealing ring, realizing the function of the device to facilitate the replacement of the sealing ring, thereby improving the convenience of the metal bearing with a high wear-resistant metal layer when in use;

[0018] By providing a lubrication structure, the sealing cover is pulled through the groove, and the sealing cover drives the sealing block to move to the outside of the oil filling hole, and the lubricating oil is injected into the inside of the oil filling hole, and the lubricating oil enters the inside of the ring groove through the oil filling hole, and then the lubricating oil contacts the rolling body through the connecting groove, and the rolling body makes the lubricating oil adhere to the surface of the retaining frame, reducing the wear caused by friction, realizing the function of the device to reduce friction, thereby improving the applicability of the metal bearing with a high wear-resistant metal layer when in use;

[0019] A protective structure is provided, a metal base layer is provided through the inner wall of the inner ring, a high-temperature resistant layer is provided on the inner wall of the metal base layer, the high-temperature resistant layer is actually a polyphenylene sulfide coating, which has excellent high-temperature resistance, chemical resistance, weather resistance, flame retardancy, etc., the wear-resistant layer is actually a high-chromium cast iron coating, which has high hardness and wear resistance, and a corrosion-resistant layer is provided through the outer wall of the outer ring, the corrosion-resistant layer is actually an epoxy resin coating, which has excellent corrosion resistance as well as good wear resistance, elasticity and hardness, etc., thereby enhancing the strength of the bearing assembly and extending the service life of the metal bearing with a high wear-resistant metal layer during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0022] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 4 It is a side cross-sectional structural schematic diagram of the utility model;

[0024] Figure 5 It is a schematic diagram of an enlarged side cross-sectional structure of the protective structure of the utility model.

[0025] Explanation of the reference numerals in the figure: 1. Bearing assembly; 101. Outer ring; 102. Inner ring; 103. Corrosion-resistant layer; 104. Rolling element; 105. Retaining frame; 2. Lubrication structure; 201. Oil filling hole; 202. Ring groove; 203. Sealing block; 204. Sealing cover; 205. Drawing groove; 206. Connecting groove; 3. Fixing structure; 301. Sealing ring; 302. Snap-in groove; 303. Snap-in block; 304. Reserved groove; 305. Rubber strip; 306. Groove; 4. Protective structure; 401. Metal base layer; 402. High temperature resistant layer; 403. Wear-resistant layer. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 5The utility model provides a metal bearing with a high wear-resistant metal layer, comprising a bearing assembly 1, the bearing assembly 1 comprising an outer ring 101, an inner ring 102, a corrosion-resistant layer 103, rolling elements 104 and a retaining frame 105, the inner side of the outer ring 101 is provided with the retaining frame 105, the inner side of the retaining frame 105 is evenly provided with rolling elements 104, the inner ring 102 is provided on one side of the retaining frame 105, the inner side of the outer ring 101 is provided with a lubrication structure 2, the lubrication structure 2 comprises an oil filling hole 201, an annular groove 202, a sealing block 203, a sealing cover 204, a drawing groove 205 and a connecting groove 206. 06. The annular groove 202 is arranged inside the outer ring 101. The inner part of the outer ring 101 inside the annular groove 202 is evenly provided with connecting grooves 206. The inner part of the outer ring 101 on one side of the annular groove 202 is provided with an oil filling hole 201. A sealing block 203 is arranged at one end of the oil filling hole 201. One side of the sealing block 203 extends to the outside of the outer ring 101 and is fixed with a sealing cover 204. Both ends of the sealing cover 204 are provided with drawing grooves 205. The sealing block 203 and the outer ring 101 form a clamping structure through the oil filling hole 201. One end of the connecting groove 206 is in contact with the rolling body 104.

[0028] Reference Figure 3 and Figure 4 As shown, the sealing cover 204 is pulled by the groove 205, and the sealing cover 204 drives the sealing block 203 to move to the outside of the oil filling hole 201, and the lubricating oil is injected into the inside of the oil filling hole 201. The lubricating oil enters the inside of the annular groove 202 through the oil filling hole 201, and then the lubricating oil contacts the rolling body 104 through the connecting groove 206. Through the rolling of the rolling body 104, the lubricating oil adheres to the surface of the retaining frame 105, thereby reducing the wear caused by friction.

[0029] The outer wall of the outer ring 101 is provided with a corrosion-resistant layer 103, and the inner side of the inner ring 102 is provided with a protective structure 4, the protective structure 4 includes a metal base layer 401, a high temperature resistant layer 402 and a wear-resistant layer 403, the metal base layer 401 is provided on the inner wall of the inner ring 102, the inner wall of the metal base layer 401 is provided with a high temperature resistant layer 402, the inner wall of the high temperature resistant layer 402 is provided with a wear-resistant layer 403, the high temperature resistant layer 402 is actually a polyphenylene sulfide coating, the wear-resistant layer 403 is actually a high chromium cast iron coating, the corrosion-resistant layer 103 is actually an epoxy resin coating, and the rolling elements 104 are distributed at equal intervals inside the retaining frame 105.

[0030] Reference Figure 4 and Figure 5As shown, a metal base layer 401 is provided through the inner wall of the inner ring 102, and a high temperature resistant layer 402 is provided on the inner wall of the metal base layer 401. The high temperature resistant layer 402 is actually a polyphenylene sulfide coating, which has excellent high temperature resistance, chemical resistance, weather resistance, flame retardancy, etc. The wear-resistant layer 403 is actually a high chromium cast iron coating, which has high hardness and wear resistance. A corrosion-resistant layer 103 is provided through the outer wall of the outer ring 101, and the corrosion-resistant layer 103 is actually an epoxy resin coating, which has excellent corrosion resistance, as well as good wear resistance, elasticity and hardness, etc., thereby enhancing the strength of the bearing assembly 1.

[0031] A fixing structure 3 is provided on both sides of the outer ring 101, and the fixing structure 3 includes a sealing ring 301, a clamping groove 302, a clamping block 303, a reserved groove 304, a rubber strip 305 and a groove 306. The groove 306 is provided on both sides of the outer ring 101, and a sealing ring 301 is provided inside the groove 306. Clamping grooves 302 are provided at both ends of one side of the sealing ring 301 inside the outer ring 101, and clamping blocks 303 are provided inside the clamping grooves 302. Reserved grooves 304 are provided inside the clamping blocks 303. Rubber strips 305 are fixed on the outside of the sealing ring 301. The clamping blocks 303 and the outer ring 101 form a clamping structure through the clamping groove 302. One end of the clamping block 303 extends to the outside of the clamping groove 302 and is fixedly connected to one side of the sealing ring 301.

[0032] Reference Figure 2 and Figure 3 As shown, the sealing ring 301 is moved to the inside of the groove 306 by the rubber strip 305, so that one end of the clamping block 303 conflicts with one end of the clamping groove 302, pushing the sealing ring 301. Under the action of the reserved groove 304, the sealing ring 301 drives the clamping block 303 to move to the inside of the clamping groove 302, so that the sealing ring 301 and the outer ring 101 are clamped and fixed to each other. Under the action of the sealing ring 301, foreign matter is prevented from entering the interior of the bearing assembly 1, and oil leakage can be prevented at the same time. The sealing ring 301 is pulled by the rubber strip 305, so that the sealing ring 301 and the outer ring 101 are separated from each other, which is convenient for replacing the sealing ring 301.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A metal bearing having a highly wear-resistant metal layer, comprising a bearing assembly (1); Features: The bearing assembly (1) comprises an outer ring (101), an inner ring (102), a corrosion-resistant layer (103), rolling elements (104) and a cage (105); the cage (105) is arranged on the inner side of the outer ring (101); the rolling elements (104) are evenly arranged inside the cage (105); the inner ring (102) is arranged on one side of the cage (105); and the lubrication structure (2) is arranged inside the outer ring (101); The outer wall of the outer ring (101) is provided with a corrosion-resistant layer (103), and the inner side of the inner ring (102) is provided with a protective structure (4); A fixing structure (3) is provided on both sides of the inner part of the outer ring (101). The fixing structure (3) comprises a sealing ring (301), a clamping groove (302), a clamping block (303), a reserved groove (304), a rubber strip (305) and a groove (306). The groove (306) is provided on both sides of the inner part of the outer ring (101). A sealing ring (301) is provided inside the groove (306). A clamping groove (302) is provided at both ends of one side of the sealing ring (301) inside the outer ring (101). A clamping block (303) is provided inside the clamping groove (302). A reserved groove (304) is provided inside the clamping block (303). A rubber strip (305) is fixed to the outer side of the sealing ring (301).

2. The metal bearing with a highly wear-resistant metal layer according to claim 1, characterized in that: The corrosion-resistant layer (103) is actually an epoxy resin coating, and the rolling elements (104) are distributed at equal intervals inside the retaining frame (105).

3. The metal bearing with a highly wear-resistant metal layer according to claim 1, characterized in that: The lubrication structure (2) comprises an oil filling hole (201), an annular groove (202), a sealing block (203), a sealing cover (204), a groove (205) and a connecting groove (206); the annular groove (202) is arranged inside the outer ring (101); the inner side of the annular groove (202) and the inner side of the outer ring (101) are evenly provided with connecting grooves (206); the inner side of the outer ring (101) and the oil filling hole (201) are arranged inside the outer ring (101) on one side of the annular groove (202); a sealing block (203) is arranged at one end inside the oil filling hole (201); one side of the sealing block (203) extends to the outside of the outer ring (101) and is fixed with a sealing cover (204); and grooves (205) are arranged at both ends inside the sealing cover (204).

4. The metal bearing with a highly wear-resistant metal layer according to claim 3, characterized in that: The sealing block (203) and the outer ring (101) form a snap-fit ​​structure through the oil injection hole (201), and one end of the connecting groove (206) is in contact with the rolling body (104).

5. The metal bearing with a highly wear-resistant metal layer according to claim 1, characterized in that: The clamping block (303) and the outer ring (101) form a clamping structure via the clamping groove (302), and one end of the clamping block (303) extends to the outside of the clamping groove (302) and is fixedly connected to one side of the sealing ring (301).

6. The metal bearing with a highly wear-resistant metal layer according to claim 1, characterized in that: The protective structure (4) comprises a metal base layer (401), a high temperature resistant layer (402) and a wear-resistant layer (403); the metal base layer (401) is arranged on the inner wall of the inner ring (102); the inner wall of the metal base layer (401) is provided with the high temperature resistant layer (402); and the inner wall of the high temperature resistant layer (402) is provided with the wear-resistant layer (403).

7. The metal bearing with a high wear-resistant metal layer according to claim 6, characterized in that: The high temperature resistant layer (402) is actually a polyphenylene sulfide coating, and the wear resistant layer (403) is actually a high chromium cast iron coating.

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