Woven carbon fiber bearing with ceramic balls

Abstract

The utility model relates to the technical field of bearings, and discloses a woven carbon fiber bearing with a ceramic ball, which comprises an outer sleeve, an inner sleeve is arranged in the outer sleeve, the ball, a retainer and two dust covers are respectively arranged between the outer sleeve and the inner sleeve, the dust covers are respectively positioned on the front side and the rear side of the ball, an outer groove is arranged on the inner wall of the outer sleeve, and the ceramic ball is arranged in the outer groove. An inner groove is formed in the outer wall of the inner sleeve, and the balls are arranged in the outer groove and the inner groove in a sliding mode. The inner sleeve and the outer sleeve of the bearing are both formed by hardening the carbon fiber woven cloth, and the balls are made of ceramic materials, so that the whole bearing is lighter compared with a metal bearing and higher in strength compared with a plastic bearing, and meanwhile, the bearing has the advantages of being high in abrasion resistance, corrosion resistance and pressure resistance, free of damage, good in lubricating property and long in service life. The lubricating oil has the advantages of high temperature resistance, chemical stability, light weight and low noise, and can be used under the condition of no lubrication in high-temperature or underwater and corrosion hostile environments.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a woven carbon fiber bearing with ceramic balls. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy.

[0003] An existing bearing (Announcement No.: CN221323081U) has at least the following disadvantages: the device ensures the lubricity of the metal bearing by providing an oil supply assembly to better supply oil to the rolling column, but the metal bearing is too bulky and not lightweight enough, and it is difficult to obtain effective performance when used in lightweight scenarios. Common plastic bearings have a better lightweight effect, but cannot withstand long-term use. When used for a long time, they will be deformed due to high temperature. For this reason, the present utility model is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a woven carbon fiber bearing with ceramic balls.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A woven carbon fiber bearing with ceramic balls comprises an outer sleeve, an inner sleeve is arranged inside the outer sleeve, balls, a retaining frame and a dust cover are arranged between the outer sleeve and the inner sleeve respectively, two dust covers are arranged respectively on the front and rear sides of the balls, an outer groove is arranged on the inner wall of the outer sleeve, an inner groove is arranged on the outer wall of the inner sleeve, the balls are respectively slidably arranged inside the outer groove and the inner groove, the outer sleeve and the inner sleeve are both hardened with carbon fiber woven cloth, and the balls are made of ceramic material.

[0007] As a further solution of the utility model, the front side of the retaining frame is provided with pockets having the same number as the balls, and the balls are nested inside the pockets.

[0008] As a further solution of the utility model, the plurality of pockets of the retaining frame are distributed on the front side of the retaining frame in a circular array with the center of the retaining frame as the center.

[0009] As a further solution of the utility model, the outer wall of the dust cover is connected with the inner part of the outer sleeve by interference fit, and the inner wall of the dust cover is gap-fitted with the outer wall of the inner sleeve.

[0010] As a further solution of the utility model, the retaining frame and the dust cover are both made of PEEK material.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The inner and outer sleeves of the bearing are hardened with carbon fiber woven cloth, and the balls are made of ceramic material, which makes the overall bearing lighter than metal bearings, and stronger than plastic bearings. Carbon fiber bearings have strong wear resistance, corrosion resistance, pressure resistance, no damage, self-lubricity, chemical stability, light weight, and low noise. They can be used without lubrication in high temperature or underwater, corrosive environments, and can be widely used in fishing gear, motors, machinery, electronic equipment and other industries. Carbon fiber bearings have good conductivity and can be used in various electronic devices. The thermal expansion coefficient of carbon fiber bearings is very low, and the size changes very little when heated. It can maintain good dimensional stability and will not cause high-temperature cracking. It is suitable for fields with strict requirements on thermal expansion, such as precision instruments and equipment. Carbon fiber bearings themselves also have thermal conductivity and energy saving. In the application of heating mechanisms, they can conduct heat quickly, have small thermal hysteresis, and can reach the predetermined temperature in a short time, which is more energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural schematic diagram of a braided carbon fiber bearing with ceramic balls proposed by the utility model;

[0014] Figure 2 This is a three-dimensional split structural schematic diagram of a braided carbon fiber bearing with ceramic balls proposed by the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of a retainer of a braided carbon fiber bearing with ceramic balls proposed by the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the three-dimensional structure of an outer sleeve and an inner sleeve of a braided carbon fiber bearing with ceramic balls.

[0017] In the figure: 1, outer sleeve; 101, outer groove; 2, inner sleeve; 201, inner groove; 3, ball; 4, cage; 5, dust cover. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figure 1-Figure 4 As shown, a woven carbon fiber bearing with ceramic balls comprises an outer sleeve 1, an inner sleeve 2 is arranged inside the outer sleeve 1, balls 3, retaining frames 4 and dust covers 5 are arranged between the outer sleeve 1 and the inner sleeve 2, two dust covers 5 are arranged and are respectively located at the front and rear sides of the balls 3, an outer groove 101 is provided on the inner wall of the outer sleeve 1, an inner groove 201 is provided on the outer wall of the inner sleeve 2, balls 3 are respectively slidably arranged inside the outer groove 101 and the inner groove 201, the outer sleeve 1 and the inner sleeve 2 are both hardened with carbon fiber woven cloth, and balls 3 are made of ceramic material, the inner sleeve 1 and the inner sleeve 2 of the bearing are both hardened with carbon fiber woven cloth, and balls 3 are made of ceramic material, so that the overall bearing is lighter than metal bearings, and has higher strength than plastic bearings, and the carbon fiber shaft The bearing has the advantages of strong wear resistance, corrosion resistance, pressure resistance, no breakage, self-lubricity, chemical stability, light weight and low noise. It can be used without lubrication in high temperature or underwater, corrosive environment, and can be widely used in fishing gear, motors, machinery, electronic equipment and other industries. Carbon fiber bearings have good conductivity and can be used in various electronic devices. The thermal expansion coefficient of carbon fiber bearings is very low, and the size changes very little when heated. It can maintain good dimensional stability and will not cause high temperature cracking. It is suitable for fields with strict requirements on thermal expansion, such as precision instruments and equipment. The carbon fiber bearing itself also has thermal conductivity and energy saving. It can conduct heat quickly in the application of heating mechanism, with small thermal hysteresis, and can reach the predetermined temperature in a short time, which is more energy-saving.

[0022] like Figure 2-Figure 4As shown, in this embodiment, the front side of the retaining frame 4 is provided with pockets having the same number as the balls 3, and the balls 3 are nested inside the pockets. The retaining frame 4 can prevent mutual contact and friction between the balls 3 and also guide the movement of the balls 3.

[0023] like Figure 2-Figure 4 As shown, in this embodiment, the several pockets of the retaining frame 4 are distributed in a circular array on the front side of the retaining frame 4 with the center of the retaining frame 4 as the center. By arranging the several pockets of the retaining frame 4 to be distributed in a circular array on the front side of the retaining frame 4 with the center of the retaining frame 4 as the center, the several balls 3 are also arranged in a circular array, so that when the bearing runs at high speed, the retaining frame can stabilize the distances between the balls 3 to be equal, thereby ensuring the stability and reliability of the bearing under high-speed operation.

[0024] like Figure 2-Figure 4 As shown, in this embodiment, the outer wall of the dust cover 5 is connected with the inner wall of the outer sleeve 1 by interference fit, and the inner wall of the dust cover 5 is clearance-fitted with the outer wall of the inner sleeve 2. By setting the dust cover 5 and the inner interference fit connection of the outer sleeve 1, it is convenient for the staff to disassemble the dust cover 5 to inspect the bearing.

[0025] like Figure 2-Figure 4 As shown, in this embodiment, the retaining frame 4 and the dust cover 5 are both made of PEEK material. By setting the retaining frame 4 and the dust cover 5 to be made of PEEK material, the retaining frame 4 and the dust cover 5 have the characteristics of corrosion resistance, aging resistance, high temperature resistance, wear resistance and the like.

[0026] From the above description, it can be seen that the above-mentioned embodiments of the utility model achieve the following technical effects: the inner sleeve 1 and the inner sleeve 2 of the bearing are both hardened with carbon fiber woven cloth, and the ball 3 is made of ceramic material, so that the overall bearing is lighter than a metal bearing, and stronger than a plastic bearing. At the same time, the bearing has the advantages of strong wear resistance, strong corrosion resistance, strong pressure resistance, no damage, self-lubricity, chemical stability, light weight, and low noise. It can be used without lubrication under high temperature or underwater, harsh corrosive environments, and can be widely used in fishing gear, motors, machinery, electronic equipment and other industries. By setting up a retaining frame 4, mutual contact and friction between the balls 3 can be prevented, and it also plays a role in guiding the movement of the balls 3. By setting up a dust cover 5 and the internal interference fit connection of the outer sleeve 1, it is convenient for the staff to disassemble the dust cover 5 to inspect the bearing.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A braided carbon fiber bearing with ceramic balls, comprising an outer sleeve (1), characterized in that: An inner sleeve (2) is arranged inside the outer sleeve (1), and balls (3), a retaining frame (4) and a dust cover (5) are arranged between the outer sleeve (1) and the inner sleeve (2), respectively. Two dust covers (5) are arranged on the front and rear sides of the balls (3), respectively. An outer groove (101) is provided on the inner wall of the outer sleeve (1), and an inner groove (201) is provided on the outer wall of the inner sleeve (2). The balls (3) are slidably arranged inside the outer groove (101) and the inner groove (201), respectively. The outer sleeve (1) and the inner sleeve (2) are both hardened with carbon fiber woven cloth, and the balls (3) are made of ceramic material.

2. A braided carbon fiber bearing with ceramic balls according to claim 1, characterized in that: The front side of the retaining frame (4) is provided with pockets having the same number as the balls (3), and the balls (3) are nested inside the pockets.

3. A braided carbon fiber bearing with ceramic balls according to claim 2, characterized in that: The plurality of pockets of the retaining frame (4) are distributed on the front side of the retaining frame (4) in a circular array with the center of the retaining frame (4) as the center.

4. The braided carbon fiber bearing with ceramic balls according to claim 3, characterized in that: The outer wall of the dust cover (5) is connected to the inner part of the outer sleeve (1) by interference fit, and the inner wall of the dust cover (5) is connected to the outer wall of the inner sleeve (2) by clearance fit.

5. A braided carbon fiber bearing with ceramic balls according to claim 4, characterized in that: The retaining frame (4) and the dust cover (5) are both made of PEEK material.

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