Miniature bearing

Abstract

The utility model discloses a miniature bearing which comprises a shell, a bearing body, a bearing body and a bearing body, wherein a cover body is arranged on one side of the shell; the roller path is arranged in the shell; the balls are arranged in the raceway; the fixing frame is connected with the balls; the through grooves are formed in the shell, and one through groove is correspondingly formed between every two balls; the plurality of sponge strips are respectively connected into the plurality of through grooves in a sliding manner; the plurality of sliding rods are respectively connected with the plurality of sponge strips; the rubber ring is arranged outside the shell in a sleeving mode and connected with the multiple sliding rods. According to the miniature bearing, lubricating oil can be added without opening the cover body, convenience is achieved, dust and impurities entering the bearing can be reduced, and the service life of the bearing is prolonged.

Description

Technical Field

[0001] The utility model relates to a miniature bearing. Background Art

[0002] As an indispensable key component in the field of precision machinery, miniature bearings play a vital role in various small devices and instruments. With the advancement of science and technology and the development of miniaturization, the application scope of miniature bearings has been continuously expanded, covering many fields such as medical equipment, aerospace, precision instruments, and micro motors. Modern miniature bearings have made significant progress in manufacturing processes, material selection, and precision control, and can meet various high-precision, high-speed, and low-noise application requirements.

[0003] At present, there are many types of miniature bearings on the market, including deep groove ball bearings, angular contact ball bearings, thrust ball bearings and other types, which can adapt to various complex working environments and load conditions. With the application of nanotechnology and new materials, some advanced miniature bearings can even maintain stable performance in extreme temperatures, high-speed operation or corrosive environments. In addition, the manufacturing accuracy of miniature bearings is constantly improving, and the dimensional tolerance of some high-end products has reached the micron level, providing strong support for the development of precision instruments.

[0004] However, despite the continuous advancement of miniature bearing technology, there are still some urgent problems to be solved in practical applications. One of the most prominent problems is the depletion and replenishment of lubricating oil. In the long-term use of existing miniature bearings, the internal lubricating oil will gradually be exhausted, which can easily lead to severe friction and wear between the ball and the raceway inside the bearing. The lack of lubricating oil will not only increase the running resistance and noise of the bearing, but also significantly shorten the service life of the bearing, and may even cause the failure of the entire equipment.

[0005] What is even more difficult is that when it is necessary to add lubricant to miniature bearings, the operation process is often very cumbersome. The usual practice is to open the bearing cover first, and then add lubricant drop by drop to each location that needs lubrication. This method is not only time-consuming and labor-intensive, but also prone to uneven lubrication or over-lubrication due to improper operation. For some precision equipment, the process of opening the bearing cover itself may introduce dust or impurities, affecting the performance and life of the bearing. Utility Model Content

[0006] The utility model aims to provide a miniature bearing, which can add lubricating oil without opening the cover, is more convenient, can reduce dust and impurities entering the bearing, and prolong the service life of the bearing.

[0007] The above technical objectives of the utility model are achieved through the following technical solutions:

[0008] A miniature bearing comprises: a shell, one side of which is provided with a cover body; a raceway arranged in the shell; a plurality of balls arranged in the raceway; a fixing frame connected to the plurality of balls; a plurality of through grooves arranged on the shell, with a through groove correspondingly arranged between every two balls; a plurality of sponge strips respectively slidably connected in the plurality of through grooves; a plurality of sliding rods respectively connected to the plurality of sponge strips; and a rubber ring sleeved outside the shell and connected to the plurality of sliding rods.

[0009] The utility model is further configured as follows: the fixing frame comprises two brackets, the brackets are fixed by connecting pins, and a gap is arranged between the brackets.

[0010] The utility model is further configured as follows: each sponge strip is arranged corresponding to the gap between the two brackets.

[0011] The utility model is further configured as follows: a spring is arranged between the slide rod and the rubber ring.

[0012] The utility model is further configured that: the rubber ring is elastic and can be deformed.

[0013] The utility model is further configured that: the gap is used for allowing lubricating oil to pass through.

[0014] The utility model is further configured that: by pressing the rubber ring, the sponge strip can be abutted against the fixing frame to achieve the addition of lubricating oil.

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. Convenient way to add lubricant:

[0017] By setting a rubber ring and a sliding rod mechanism on the outside of the housing, lubricating oil can be added without opening the cover body. This greatly simplifies the lubrication process and improves maintenance efficiency.

[0018] 2. Reduce the risk of contamination:

[0019] Since there is no need to open the cover for lubrication, the risk of dust and impurities entering the bearing is greatly reduced, which helps to maintain the cleanliness and performance stability of the bearing.

[0020] 3. Accurate lubricant distribution:

[0021] The gap design between the sponge strip and the fixing frame can achieve accurate distribution of the lubricating oil, ensuring that the lubricating oil can evenly cover the parts that need lubrication.

[0022] 4. Extend service life:

[0023] The convenient lubrication method allows bearings to be lubricated more frequently and in a more timely manner, effectively reducing friction and wear, thereby significantly extending the service life of the bearings.

[0024] 5. Strong applicability:

[0025] This design can be applied to various types of miniature bearings and has wide applicability.

[0026] 6. Simple structure and easy to implement:

[0027] The overall design structure is relatively simple, easy to manufacture and assemble, and will not significantly increase the production cost of the bearing.

[0028] 7. Controllable lubrication process:

[0029] By pressing the rubber ring to control the addition of lubricant, the operator can better control the amount of lubricant added to avoid over-lubrication or under-lubrication problems.

[0030] 8. Automatic reset function:

[0031] The spring design between the slide bar and the rubber ring ensures that after lubrication, the slide bar can automatically reset to maintain the normal working state of the bearing.

[0032] 9. Improved sealing performance:

[0033] This design also helps maintain the sealing performance of the bearing, preventing lubricant leakage and the intrusion of external contaminants, as the cover does not need to be opened frequently.

[0034] 10. Reduced maintenance costs:

[0035] Simplified lubrication processes reduce the need for specialized maintenance and lower long-term bearing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a structural schematic diagram of an embodiment;

[0037] Figure 2 This is the front view after the cover is deleted;

[0038] Figure 3 A schematic diagram of the structure of the fixing frame.

[0039] Figure numerals: 1, shell; 2, cover; 3, raceway; 4, ball; 5, fixing frame; 6, bracket; 7, connecting pin; 8, gap; 9, through groove; 10, sponge strip; 11, slide rod; 12, spring; 13, rubber ring. DETAILED DESCRIPTION

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying 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 operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0042] In the description of the present utility model, "multiple" means two or more than two, unless otherwise clearly specified and specifically defined. In the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it 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 connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0043] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0044] like Figure 1-Figure 3 As shown, a miniature bearing comprises a housing 1. A cover 2 is provided on one side of the housing 1. A raceway 3 is provided in the housing 1. A plurality of balls 4 are provided in the raceway 3. A fixing frame 5 is connected between the balls 4. The fixing frame 5 is composed of two brackets 6, and the brackets 6 are fixed by a connecting pin 7. A gap 8 is provided between the brackets 6. The gap 8 allows lubricating oil to pass through.

[0045] The housing 1 is provided with a through groove 9 between every two balls 4. A sponge bar 10 is slidably connected in the through groove 9. The sponge bar 10 is connected to a slide bar 11. The multiple slide bars 11 are commonly connected to a rubber ring 13. The rubber ring 13 is elastic and can be deformed.

[0046] After the integral bearing is installed, the rubber ring 13 is sleeved outside the housing 1, and then each slide bar 11 and sponge strip 10 is aligned with the through groove 9, and the slide bar 11 and sponge strip 10 are inserted into the through groove 9 in turn through the deformation of the rubber ring 13 to complete the installation.

[0047] Optimally, a spring 12 is provided between the slide bar 11 and the rubber ring 13 for resetting the slide bar 11 .

[0048] Optimally, each sponge strip 10 is disposed corresponding to the gap 8 between the two brackets 6 .

[0049] Under the above setting, when lubricating oil needs to be added, the rubber ring 13 corresponding to each slide bar 11 can be squeezed in turn, and the slide bar 11 can be pressed into the inside of the housing 1 so that the sponge strip 10 abuts against the gap 8 between the two brackets 6. The sponge strip 10 is deformed, so that the lubricating oil in the sponge strip 10 enters the gap 8. The lubricating oil flows in the gap 8, flows to both sides along the gap 8, and then reaches the position of the ball 4. By lubricating the ball 4, the raceway 3 is lubricated when the ball 4 rolls.

[0050] Under the above arrangement, the ball 4 in the housing 1 can be lubricated by pressing the rubber ring 13 without disassembling the cover 2, which makes overall lubrication more convenient and prolongs the practical life of the bearing.

[0051] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A miniature bearing, characterized in that: include: A housing (1) having a cover (2) disposed on one side thereof; A raceway (3) is arranged in the housing (1); A plurality of balls (4) are arranged in the raceway (3); A fixing frame (5) connected to the plurality of balls (4); A plurality of through grooves (9) are arranged on the housing (1), with one through groove (9) correspondingly arranged between every two balls (4); A plurality of sponge strips (10) are respectively slidably connected in the plurality of through grooves (9); A plurality of sliding rods (11), respectively connected to the plurality of sponge strips (10); A rubber ring (13) is sleeved outside the housing (1) and connected to the plurality of sliding rods (11).

2. The miniature bearing according to claim 1, characterized in that: The fixing frame (5) comprises two brackets (6), the brackets (6) are fixed to each other via a connecting pin (7), and a gap (8) is provided between the brackets (6).

3. The miniature bearing according to claim 2, characterized in that: Each of the sponge strips (10) is arranged corresponding to the gap (8) between the two brackets (6).

4. The miniature bearing according to claim 1, characterized in that: A spring (12) is provided between the sliding rod (11) and the rubber ring (13).

5. The miniature bearing according to claim 1, characterized in that: The rubber ring (13) is elastic and can be deformed.

6. The miniature bearing according to claim 2, characterized in that: The gap (8) is used for allowing lubricating oil to pass through.

7. The miniature bearing according to claim 1, characterized in that: By pressing the rubber ring (13), the sponge strip (10) can be made to abut against the fixing frame (5), thereby achieving the addition of lubricating oil.

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