Solid graphite closed bearing
By employing a sealing structure in solid graphite-encased bearings, combining graphite-encased balls with a metal plate and graphite layer, the problems of exposed cage and insufficient lubrication are solved, achieving long-lasting lubrication and dust prevention in high-temperature environments.
Patent Information
- Application Number
- CN202520674068.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-10
AI Technical Summary
Existing solid graphite sealed bearings have many exposed areas when the cage holds the balls, making them susceptible to dust ingress that affects lubrication. Furthermore, their lubrication performance is insufficient at high temperatures.
The ball bearings are encapsulated in graphite and sealed with a double-layer seal formed by a combination of crown grooves and flat plates. The sealing structure, which combines a metal plate and a graphite layer, provides a stable operating environment and reduces friction.
It achieves long-lasting lubrication performance and better dustproof performance in high-temperature environments, keeps the rack running stably in high-dust environments, reduces friction and improves lubrication.
Smart Images
Figure CN223725187U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bearing technical field especially relates to a solid graphite closed bearing. BACKGROUND
[0002] The bearing is an important spare part in modern mechanical equipment, and its main function is to support rotating shaft or other moving parts and reduce friction and abrasion in its movement process, and the bearing is widely used in various mechanical equipment, and graphite is a natural mineral composed of carbon elements, has lamellar crystal structure, and each layer is formed by carbon atoms arranged in a hexagonal shape, and the layers are connected by van der waals force, and the current bearing also uses graphite material for production to ensure lubricity.
[0003] There are still some problems in the use process of the existing solid graphite closed bearing, the exposed position is more when the retainer fixes the ball, and the dust entering in the use process also affects the lubricity, therefore, the technical personnel in the field provides a solid graphite closed bearing to solve the problems in the background technology. UTILITY MODEL CONTENT
[0004] The utility model discloses a solid graphite closed bearing, graphite package adds section metal seal, forms double -deck seal, and the dustproof performance is better, is applicable to high temperature, high dust and self -lubricating environment application.
[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a solid graphite closed bearing, including outer ring, inner ring and a plurality of balls, a plurality of balls are arranged between the inner ring and the outer ring in a circular arrangement, a plurality of ball outer lateral wall is equipped with the retainer;
[0006] The retainer includes a base, a plurality of crown-shaped grooves are arranged on the upper end surface of the base in a circular arrangement, a plurality of balls are connected in the crown-shaped grooves, and a connecting plate is arranged on the upper end surface of the base.
[0007] The retainer is provided with sealing elements on both ends.
[0008] Through the above technical scheme, one end adopts the crown-shaped crown-shaped groove, and the other end adopts the flat sheet type, and the combination has no rolling body exposed, the ball is wrapped by graphite, long -life lubricating property is provided, and long -term lubrication in high temperature environment is provided.
[0009] Further, the sealing element includes a metal plate, a flexible ring is arranged on the outer lateral wall of the metal plate, and a graphite layer is fixedly connected to one end surface of the metal plate close to the retainer.
[0010] Through the technical scheme, the two graphite layers contact at the two ends of the retainer while being sealed by the metal plate, a more stable use environment is provided for the retainer, and the graphite can also reduce friction generated during contact.
[0011] Further, the material of the retainer is graphite.
[0012] Through the technical scheme, graphite is a natural solid lubricating material with low friction characteristics, and friction is reduced.
[0013] Further, grooves are formed at the upper and lower ends of the inner side wall of the outer ring and the upper and lower ends of the outer side wall of the inner ring.
[0014] Through the technical scheme, the two flexible rings are sealed in the two grooves.
[0015] The utility model has the following beneficial effects:
[0016] 1. In the utility model, the solid graphite closed bearing is sealed by graphite wrapping and metal sealing in the section, double-layer sealing is formed, dustproof performance is better, and the solid graphite closed bearing is suitable for application in high-temperature, high-dust and self-lubricating environments.
[0017] 2. In the utility model, one end adopts a crown type, and the other end adopts a flat sheet type, the rolling body is not exposed when being combined together, the rolling body is wrapped by graphite, long-life lubricating performance is provided, and long-acting lubrication in a high-temperature environment is provided.
[0018] 3. In the utility model, the two graphite layers contact at the two ends of the retainer while being sealed by the metal plate, a more stable use environment is provided for the retainer, and the graphite can also reduce friction generated during contact. DRAWINGS
[0019] Figure 1 A solid graphite closed bearing is provided in the utility model, and a perspective view of the solid graphite closed bearing is provided.
[0020] Figure 2 A solid graphite closed bearing is provided in the utility model, and a perspective view of the solid graphite closed bearing is provided.
[0021] Figure 3 A Figure 2 An enlarged schematic view of position A in the middle is provided.
[0022] Figure 4 A solid graphite closed bearing retainer is provided in the utility model, and a perspective split view of the solid graphite closed bearing retainer is provided.
[0023] LEGEND:
[0024] 1. Outer ring; 2. Inner ring; 3. Seal; 301. Metal plate; 302. Graphite layer; 303. Flexible ring; 4. Ball; 5. Cage; 501. Base; 502. Crown groove; 503. Connecting plate. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Reference Figures 1-4 One embodiment of this utility model is a solid graphite sealed bearing, which includes an outer ring 1, an inner ring 2 and a plurality of balls 4. The plurality of balls 4 are arranged in a circular pattern between the inner ring 2 and the outer ring 1, and a cage 5 is provided on the outer side wall of the plurality of balls 4.
[0027] The cage 5 includes a base 501. The upper surface of the base 501 has multiple crown grooves 502 arranged in a circle. Multiple balls 4 are rotatably connected inside the crown grooves 502. The upper surface of the base 501 is provided with a connecting plate 503, one end of which adopts a crown groove 502 and the other end adopts a flat plate. When combined, there are no exposed rolling elements. The balls 4 are wrapped with graphite, which provides long-life lubrication performance and long-term lubrication under high temperature environment.
[0028] The retainer 5 is equipped with seals 3 at both the top and bottom ends, which provide a high degree of sealing and reduce the entry of dust.
[0029] like Figure 1 , 2 As shown in Figure 3, the sealing element 3 includes a metal plate 301, a flexible ring 303 is provided on the outer wall of the metal plate 301, and a graphite layer 302 is fixedly connected to one end face of the metal plate 301 near the retainer 5. While sealing through the metal plate 301, the two graphite layers 302 contact the two ends of the retainer 5, providing a more stable operating environment for the retainer 5, and the graphite can also reduce the friction generated during contact.
[0030] The cage 5 is made of graphite, a natural solid lubricant with low friction properties, which reduces friction.
[0031] Grooves are provided at the upper and lower ends of the inner sidewall of the outer ring 1 and at the upper and lower ends of the outer sidewall of the inner ring 2, so that the two flexible rings 303 can be sealed inside the two grooves.
[0032] Working principle: by graphite package plus section has metal seal, forms double layer seal, dustproof performance is better, is applicable to high temperature, high dust and self lubrication environment under application, one end adopts crown type crown groove 502, one end adopts flat piece type, combination together no rolling body is exposed, the ball 4 is wrapped by graphite, provides long life lubricating property, provides long-acting lubrication under high temperature environment, through the sealing of the metal plate 301, two graphite layers 302 contact at both ends of the retainer 5, provide more stable use environment for the retainer 5, and graphite can also reduce the friction generated when contact.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.
Claims
1. A solid graphite closed bearing comprising an outer ring (1), an inner ring (2) and a plurality of balls (4) arranged in a circular pattern between the inner ring (2) and the outer ring (1), characterized in that: A plurality of said outer wall of the ball (4) is provided with a cage (5); The cage (5) comprises a base (501), the upper end face of the base (501) is circularly arranged with a plurality of crown-shaped grooves (502), a plurality of said ball (4) is connected inside the crown-shaped groove (502), the upper end face of the base (501) is provided with a connecting plate (503); The upper and lower ends of the cage (5) are provided with sealing elements (3).
2. A solid graphite closed bearing according to claim 1, characterized in that: The sealing element (3) comprises a metal plate (301), the outer wall of the metal plate (301) is provided with a flexible ring (303), one end face of the metal plate (301) close to the cage (5) is fixedly connected with a graphite layer (302).
3. A solid graphite closed bearing according to claim 1, wherein: The material of the cage (5) is graphite.
4. A solid graphite closed bearing according to claim 1, characterized in that: The inner side wall of the outer ring (1) is provided with a groove at the upper and lower ends, and the outer side wall of the inner ring (2) is provided with a groove at the upper and lower ends.