Ceramic bearing with low friction force

Abstract

The utility model relates to the technical field of bearings, and discloses a low-friction ceramic bearing which comprises an outer ring, a first ball is arranged on one side of the outer ring, an inner ring is mounted on one side of the first ball, a wear-resistant ring is arranged on the inner side of the inner ring, a first circular groove is formed in one side of the outer ring, and a second circular groove is formed in the other side of the outer ring. A first round groove is formed in the inner ring, a second ball is arranged on one side of the first round groove, a protection bin is installed on one side of the second ball, a second round groove is formed in the position, corresponding to the second ball, of the protection bin, a third round groove is formed in the position, corresponding to the second ball, of the inner ring, an oil leakage hole is formed in the lower end of the protection bin, and sponge is installed on one side of the oil leakage hole. Parts in the bearing are protected through the arranged protection bin, the abrasion resistance of the connecting position of the bearing and the connecting piece is improved through the arranged abrasion-resistant ring, the bearing is protected, lubricating oil is stored in the protection bin, and lubricating operation can be conveniently conducted on the first ball during operation.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a low-friction ceramic bearing. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the mechanical load friction coefficient of the equipment during the transmission process, ensure its rotation accuracy, and play the role of fixing, rotating and reducing the load friction coefficient.

[0003] Ceramic bearings have the advantages of high hardness, high wear resistance, high corrosion resistance, etc., and are widely used in machinery, automobiles, aerospace and other fields. It is necessary to develop a low-friction ceramic bearing, which has important practical significance for use in machinery, automobiles, aerospace and other fields.

[0004] Chinese Patent Publication No.: CN217736047U discloses "A ceramic bearing that is easy to assemble", including an inner ring, an outer ring, a retaining frame and rolling elements, the retaining frame includes a lower ring plate, a positioning block fixedly connected to the end face of the lower ring plate and evenly arranged around its circumference, and an upper ring plate arranged on the side of the positioning block away from the lower ring plate, and two adjacent positioning blocks cooperate to form a ball groove for placing the rolling element, the surface of the positioning block away from the lower ring plate is fixedly connected to a fixing column, and the upper ring plate is provided with a locking mechanism corresponding to the fixing column, the locking mechanism includes a connecting hole that axially penetrates the upper ring plate, and a locking ring that is rotatably connected to the surface of the upper ring plate away from the fixing column and is coaxially arranged with the connecting hole, the locking ring and the fixing column are threadedly matched, which solves the problem of poor bearing stability in the prior art.

[0005] The above-mentioned prior art fixes the upper ring plate to the other side of the positioning block through the threaded cooperation between the locking ring and the fixing column, which makes the limiting effect on the rolling body more stable and less likely to loosen. However, during the use of the existing bearings, the balls in the bearings are not protected, and dust and impurities enter the bearings, which can easily cause the bearings to fail to work normally, thereby reducing the service life of the bearings to a certain extent. Utility Model Content

[0006] The purpose of the utility model is to provide a low-friction ceramic bearing to solve the problem in the above-mentioned background technology that the balls in the bearing are not protected, dust and impurities enter the bearing, which easily causes the bearing to be unable to be used normally and reduces the service life of the bearing to a certain extent.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a low-friction ceramic bearing, comprising an outer ring, a first ball is arranged on one side of the outer ring, and an inner ring is installed on one side of the first ball, a wear-resistant ring is arranged on the inner side of the inner ring, a first circular groove is opened on one side of the outer ring, and a second ball is arranged on one side of the first circular groove, a protective bin is installed on one side of the second ball, and the protective bin has a second circular groove at a position corresponding to the second ball, the inner ring has a third circular groove at a position corresponding to the second ball, an oil leakage hole is opened at the lower end of the protective bin, and a sponge is installed on one side of the oil leakage hole.

[0008] Preferably, the wear-resistant ring is detachably connected to the inner ring, and the first ball is clamped between the outer ring and the inner ring.

[0009] Preferably, the first rolling balls are in multiple groups, and the multiple groups of the first rolling balls are evenly distributed on one side of the outer ring.

[0010] Preferably, the first circular grooves are in multiple groups, and the multiple groups of the first circular grooves are opened on opposite sides of one side of the outer ring; the second circular grooves are in multiple groups, and the multiple groups of the second circular grooves are opened on opposite sides of both sides of the protective bin.

[0011] Preferably, the second balls are in multiple groups, and the multiple groups of the second balls are evenly stuck between the outer ring and the protective chamber, and the second balls are evenly stuck between the inner ring and the protective chamber.

[0012] Preferably, there are two groups of protection bins, and the two groups of protection bins are distributed on opposite sides of the outer ring.

[0013] Preferably, there are multiple groups of oil leakage holes, which are evenly distributed on one side of the protection bin, and the oil leakage holes are in contact with the sponge.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model protects the parts inside the bearing by setting up a protective bin to prevent dust and impurities from entering the bearing, thereby improving the service life of the bearing to a certain extent. The two sides of the protective bin are respectively installed with the outer ring and the inner ring through the second ball, which ensures the normal operation of the bearing while protecting the bearing.

[0016] Second, the utility model increases the wear resistance of the connection between the bearing and the connecting piece by setting a wear-resistant ring, protects the bearing, and improves the service life of the bearing to a certain extent. Lubricating oil is placed in the protective bin to facilitate lubrication of the first ball in the bearing during operation, which reduces the friction of the bearing to a certain extent and improves practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the protective bin of the utility model;

[0020] Figure 4 It is a schematic structural diagram of the outer ring and the first circular groove of the utility model.

[0021] In the figure: 1. Outer ring; 2. First ball; 3. Inner ring; 4. Wear-resistant ring; 5. First circular groove; 6. Second ball; 7. Protective compartment; 8. Second circular groove; 9. Oil leakage hole; 10. Sponge; 11. Third circular groove. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 4 A low-friction ceramic bearing comprises an outer ring 1, a first ball 2 is arranged on one side of the outer ring 1, and an inner ring 3 is installed on one side of the first ball 2, a wear-resistant ring 4 is arranged on the inner side of the inner ring 3, a first circular groove 5 is opened on one side of the outer ring 1, and a second ball 6 is arranged on one side of the first circular groove 5, a protective bin 7 is installed on one side of the second ball 6, and the protective bin 7 has a second circular groove 8 opened at a position corresponding to the second ball 6, a third circular groove 11 is opened at a position corresponding to the second ball 6 of the inner ring 3, an oil leakage hole 9 is opened at the lower end of the protective bin 7, and a sponge 10 is installed on one side of the oil leakage hole 9.

[0024] Through the above technical scheme, the parts inside the bearing are protected by the protective bin 7, dust and impurities are prevented from entering the bearing, and the service life of the bearing is improved to a certain extent. The two sides of the protective bin 7 are respectively installed with the outer ring 1 and the inner ring 3 through the second ball 6 to ensure the normal operation of the bearing while protecting the bearing. The wear resistance of the connection between the bearing and the connecting part is increased by the wear-resistant ring 4, and the bearing is protected, which improves the service life of the bearing to a certain extent. Lubricating oil is placed in the protective bin 7 to facilitate lubrication of the first ball 2 in the bearing during operation, which reduces the friction of the bearing to a certain extent and improves practicality.

[0025] Specifically, the wear-resistant ring 4 is detachably connected to the inner ring 3 , and the first ball 2 is clamped between the outer ring 1 and the inner ring 3 .

[0026] Through the above technical solution, the wear-resistant ring 4 increases the wear resistance of the connection between the bearing and the connecting piece, protects the bearing, and can be easily disassembled and replaced after a period of use. The first ball 2, the outer ring 1 and the inner ring 3 are important components of the bearing.

[0027] Specifically, there are multiple groups of first balls 2 , and the multiple groups of first balls 2 are evenly distributed on one side of the outer ring 1 .

[0028] Through the above technical solution, multiple groups of first balls 2 are evenly distributed between the outer ring 1 and the inner ring 3, which is convenient for supporting the mechanical rotating body and is used to reduce the mechanical load friction coefficient of the equipment during the transmission process.

[0029] Specifically, there are multiple groups of first circular grooves 5 , which are opened on opposite sides of one side of the outer ring 1 ; there are multiple groups of second circular grooves 8 , which are opened on opposite sides of the protection bin 7 .

[0030] Through the above technical solution, the symmetrically arranged first circular groove 5 facilitates the installation of the symmetrically arranged protective bin 7. The first circular groove 5 and the second circular groove 8 form a ball groove matching the second ball 6. The normal use of the bearing is guaranteed while installing the protective bin 7.

[0031] Specifically, there are multiple groups of second balls 6 , and the multiple groups of second balls 6 are evenly stuck between the outer ring 1 and the protective chamber 7 , and the second balls 6 are evenly stuck between the inner ring 3 and the protective chamber 7 .

[0032] Through the above technical solution, multiple groups of second balls 6 are respectively stuck between the outer ring 1 and the protective chamber 7 and between the inner ring 3 and the protective chamber 7. The protective chamber 7 is stuck between the outer ring 1 and the inner ring 3 to protect the inside of the bearing.

[0033] Specifically, there are two groups of protection bins 7 , and the two groups of protection bins 7 are distributed on one side and the other side of the outer ring 1 .

[0034] Through the above technical solution, two groups of symmetrically arranged protection chambers 7 protect the two sides of the bearing, prevent dust and impurities from entering the bearing, and increase the service life of the bearing.

[0035] Specifically, there are multiple groups of oil leakage holes 9 , which are evenly distributed on one side of the protection bin 7 , and the oil leakage holes 9 are in contact with the sponge 10 .

[0036] Through the above technical solution, the lubrication in the protective bin 7 enters the sponge 10 through the oil leakage hole 9. The sponge 10 is fixed to the protective bin 7 and contacts the first ball 2 to lubricate it.

[0037] During use, when it is necessary to protect the parts inside the outer ring 1, multiple groups of second balls 6 are clamped in the first circular groove 5, the second circular groove 8 on the outside of the protective bin 7 is aligned with the first circular groove 5, the protective bin 7 is installed on one side of the outer ring 1, and multiple groups of second balls 6 are clamped in the second circular groove 8 on the inside of the protective bin 7, the second circular groove 8 and the third circular groove 11 opened on the inner ring 3 are aligned, so that the inner ring 3 is installed on one side of the protective bin 7, the protective bin 7 protects the internal parts of the bearing, and a wear-resistant ring 4 is arranged on the inner side of the inner ring 3 to increase the wear resistance of the connection between the bearing and the connecting part. Lubricant is stored in the protective bin 7, and flows into the sponge 10 through multiple groups of oil leakage holes 9. The sponge 10 contacts the first ball 2 to lubricate the first ball 2.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A low-friction ceramic bearing, comprising an outer ring (1), characterized in that: A first ball (2) is arranged on one side of the outer ring (1), and an inner ring (3) is installed on one side of the first ball (2), a wear-resistant ring (4) is arranged on the inner side of the inner ring (3), a first circular groove (5) is opened on one side of the outer ring (1), and a second ball (6) is arranged on one side of the first circular groove (5), a protective bin (7) is installed on one side of the second ball (6), and a second circular groove (8) is opened on the protective bin (7) at a position corresponding to the second ball (6), a third circular groove (11) is opened on the inner ring (3) at a position corresponding to the second ball (6), an oil leakage hole (9) is opened at the lower end of the protective bin (7), and a sponge (10) is installed on one side of the oil leakage hole (9).

2. A low-friction ceramic bearing according to claim 1, characterized in that: The wear-resistant ring (4) is detachably connected to the inner ring (3), and the first ball (2) is clamped between the outer ring (1) and the inner ring (3).

3. A low-friction ceramic bearing according to claim 1, characterized in that: The first rolling balls (2) are in multiple groups, and the multiple groups of the first rolling balls (2) are evenly distributed on one side of the outer ring (1).

4. A low-friction ceramic bearing according to claim 1, characterized in that: The first circular grooves (5) are provided in a plurality of groups, and the plurality of groups of the first circular grooves (5) are provided on opposite sides of one side of the outer ring (1); the second circular grooves (8) are provided in a plurality of groups, and the plurality of groups of the second circular grooves (8) are provided on opposite sides of two sides of the protective bin (7).

5. The low-friction ceramic bearing according to claim 1, characterized in that: The second rolling balls (6) are in multiple groups, and the multiple groups of the second rolling balls (6) are evenly stuck between the outer ring (1) and the protective chamber (7), and the second rolling balls (6) are evenly stuck between the inner ring (3) and the protective chamber (7).

6. The low-friction ceramic bearing according to claim 1, characterized in that: The protective bins (7) are divided into two groups, and the two groups of protective bins (7) are distributed on opposite sides of the outer ring (1).

7. The low-friction ceramic bearing according to claim 1, characterized in that: The oil leakage holes (9) are multiple groups, and the multiple groups of oil leakage holes (9) are evenly distributed on one side of the protection bin (7), and the oil leakage holes (9) are in contact with the sponge (10).

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