Multifunctional dustproof bearing

Abstract

The invention relates to the technical field of dustproof bearings, and discloses a multifunctional dustproof bearing which comprises an inner ring, a first hollow column is fixedly connected to the outer wall of the inner ring, a first limiting groove is formed in the outer wall of the first hollow column, a first ball is arranged on the outer side of the first limiting groove, and a first annular groove is formed in the outer wall of the first hollow column. The inner wall of the first annular groove is rotationally connected with a dustproof mechanism, the outer mechanism comprises an outer ring arranged on the outer wall of the first hollow column in a sleeving mode, a second limiting groove is formed in the inner wall of the outer ring, and the second limiting groove is rotationally connected with the first limiting groove through a first ball. When the bearing runs, the inclined grooves in the surface of the bearing can rotate, in the rotating process, air can be induced to generate eddy currents, airflow is promoted to flow outside the bearing, the airflow can take away heat generated by running of the bearing, and therefore the working temperature of the bearing is effectively reduced, the heat dissipation efficiency is improved, and the stability of long-time running of the bearing is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of dust-proof bearings, and specifically relates to a multi-functional dust-proof bearing. Background Art

[0002] A dust-proof bearing is a bearing with a dust-proof function, mainly used to prevent dust and other impurities from entering the inside of the bearing, thereby protecting the normal operation of the bearing and extending its service life. Dust-proof bearings usually have dust covers or sealing rings installed on one or both sides of the bearing to prevent external impurities from entering the inside of the bearing. The patent application with the application number CN202110398652.5 discloses a dust-proof bearing, which includes an inner ring, an outer ring that defines a bearing space with the inner ring, rolling elements located in the bearing space, and two dust-proof inner sleeves and two dust-proof outer sleeves disposed in the bearing space and on the axial two sides of the rolling elements. Each dust-proof inner sleeve includes a metal ring fixed to one of the inner ring and the outer ring, and a film connected to the metal ring and slidably pressing against the other of the inner ring and the outer ring. Each dust-proof outer sleeve includes a metal hard shell, and a seal that slidably abuts against one of the inner ring and the outer ring. The metal hard shell is fixed to the other of the inner ring and the outer ring and radially extends to have a throttling end for setting the seal. The throttling end and one of the inner ring and the outer ring define two first throttling gaps located on the axial two sides of the seal. In this way, the overall structural strength can be improved and a better sealing effect can be maintained.

[0003] When the existing equipment is in use, in order to ensure the dust-proof performance of the bearing, dust-proof gaskets are usually configured at the axial two ends of the ball bearings. By means of physical barrier, external dust is prevented from invading the inside of the bearing. Although this design can prevent external dust from invading the inside of the bearing, the presence of the dust-proof structure causes a significant decrease in the heat dissipation efficiency during the operation of the bearing. At the same time, during the lubrication process of the bearing, it is difficult for the roller area to be fully wetted by the lubricating oil, which affects the lubrication effect and is not conducive to the stable operation of the equipment. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides a multi-functional dust-proof bearing to solve the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solution: A multi-functional dust-proof bearing includes an inner ring, an outer hollow column is fixedly connected to the outer wall of the inner ring, a first limiting groove is opened on the outer wall of the outer hollow column, a first ball is disposed outside the first limiting groove, a first annular groove is opened on the outer wall of the outer hollow column, and a dust-proof mechanism is rotatably connected to the inner wall of the first annular groove. It further includes: The external mechanism includes an outer ring sleeved on the outer wall of a hollow column, the inner wall of the outer ring is provided with a limiting groove 2, the limiting groove 2 is rotatably connected to the limiting groove 1 through a ball 1, the outer wall of the outer ring is provided with an inclined groove, the inner wall of the outer ring is provided with an annular groove 2, the inclined groove rotates with the rotation of the outer ring, thereby driving the gas flow, by setting the external mechanism, with the rotation of the outer ring, the inclined groove on its surface will rotate, and during the rotation process, it can induce air vortexes, prompting the airflow to flow along the outside of the bearing, this airflow can take away the heat generated by the operation of the bearing, thereby effectively reducing the operating temperature of the bearing, improving the heat dissipation efficiency, and improving the stability of the bearing during long-term operation.

[0006] According to the above technical solution, an annular cavity is provided on the inner wall of the hollow column one, and a through hole one is provided at both the upper and lower ends of the hollow column one, and the through hole one penetrates the hollow column one and extends to the inner wall of the annular cavity, and a through hole two is provided on the outer wall of the limiting groove one, and the through hole two penetrates the limiting groove one and extends to the inner wall of the annular cavity. The annular cavity is used to store lubricating oil, and the through holes one and two are used for the flow of lubricating oil. By setting the annular cavity, the equipment has the ability to store a certain amount of lubricating oil, and the bearing can store a certain amount of lubricating oil in the non-working state. When the bearing enters the operation stage, the lubricating oil stored in the cavity can be transported to the ball area, providing stable oil film protection for the balls, thereby improving the wear resistance and heat dissipation efficiency of the bearing.

[0007] According to the above technical solution, the dustproof mechanism includes an annular plate, the outer wall of the annular plate is sleeved with ball 2, the outer wall of the annular plate is sleeved with ball 3, the outer wall of the annular plate is rotatably connected to annular groove 2 through ball 3, the inner wall of the annular plate is rotatably connected to annular groove 1 through ball 2, and the dustproof mechanism reduces the friction generated when the equipment rotates through ball 2 and ball 3. By setting up the dustproof mechanism, the dustproof mechanism protects external dust from entering the interior of the bearing while also having multiple heat dissipation grooves inside. When the bearing generates heat during operation, the heat can be transferred to the outside of the equipment through the heat dissipation grooves, so that the dustproof mechanism can improve the problem of poor heat dissipation of the bearing while maintaining the dustproof performance, thereby improving the stability of the bearing operation.

[0008] According to the above technical solution, an annular groove three is provided on the side of the annular plate away from the annular cavity, and the inner wall of the annular groove three is rotatably connected with an auxiliary component, and the annular groove three is used to limit the rotation range of the auxiliary component.

[0009] According to the above technical solution, an arc groove one is provided on the side of the annular plate away from the annular groove three, and the arc groove one penetrates the annular plate and extends to the side of the annular plate away from the annular cavity. A heat dissipation groove is provided on the side of the annular plate away from the annular groove three, and the heat dissipation groove facilitates the device to transfer the temperature of the internal ball one to the outside of the device.

[0010] According to the above technical solution, the side of the annular plate away from the annular groove three is fixedly connected to the hollow column two, the inner wall of the hollow column two is fixedly connected to the elastic component, the end of the elastic component away from the hollow column two is fixedly connected to the movable frame, the outer wall of the movable frame is movably connected to the annular plate, and the up and down movement of the movable frame can control the locking state of the auxiliary component.

[0011] According to the above technical solution, the auxiliary component includes a sliding ring, the inner wall of the sliding ring is rotatably connected to the annular plate, a circular hole is provided on the side of the sliding ring away from the annular plate, the interior of the circular hole is movably connected to the movable frame, and an arc groove 2 is provided on the side of the sliding ring away from the annular plate. As the sliding ring rotates, the opening state of the dustproof mechanism can be changed. By setting the auxiliary component, when the equipment needs to lubricate the bearing, the angle of the auxiliary component can be rotated so that the external lubricating oil can be injected into the outer peripheral area of ​​the ball 1 through the arc groove 1 and the arc groove 2. On the premise of maintaining the original dustproof function of the bearing, it is ensured that the ball can obtain sufficient lubricating oil infiltration, thereby ensuring the stability of the equipment operation.

[0012] According to the above technical solution, a connecting ring is fixedly connected to one side of the sliding ring away from the annular plate, and a baffle is fixedly connected to the inner wall of the connecting ring. The position of the baffle can be changed as the sliding ring rotates.

[0013] Compared with the prior art, the present invention provides a multifunctional dustproof bearing, which has the following beneficial effects: 1. The present invention provides an auxiliary component. When the equipment needs to lubricate the bearing, the angle of the auxiliary component can be rotated so that external lubricating oil can be injected into the outer peripheral area of ​​the ball one through the arc groove one and the arc groove two. Under the premise of maintaining the original dustproof function of the bearing, it is ensured that the ball can be fully infiltrated with lubricating oil, thereby ensuring the stability of the equipment operation.

[0014] 2. The present invention provides an annular cavity so that the equipment has the ability to store a certain amount of lubricating oil inside, allowing the bearing to store a certain amount of lubricating oil when it is not working. When the bearing enters the operation stage, the lubricating oil stored in the cavity can be transported to the ball area, providing stable oil film protection for the ball, thereby improving the wear resistance and heat dissipation efficiency of the bearing.

[0015] 3. The present invention provides a dustproof mechanism, which protects external dust from entering the interior of the bearing. At the same time, a plurality of heat dissipation grooves are provided inside the mechanism. When the bearing generates heat during operation, the heat can be transferred to the outside of the equipment through the heat dissipation grooves. The dustproof mechanism improves the poor heat dissipation problem of the bearing while maintaining the dustproof performance, thereby improving the stability of the bearing operation.

[0016] 4. By providing an external mechanism in the present invention, as the outer ring rotates, the inclined grooves on its surface will rotate. During the rotation, it can induce the air to generate eddy currents, prompting the air flow to flow along the outside of the bearing. This air flow can carry away the heat generated during the operation of the bearing, thereby effectively reducing the working temperature of the bearing, improving the heat dissipation efficiency, and enhancing the stability of the bearing during long-term operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation to the present invention. In the drawings: Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of the overall structure of the present invention; Figure 3 is a schematic diagram of the internal structure of the present invention; Figure 4 is a cross-sectional view of the internal structure of the present invention; Figure 5 is a schematic diagram of the external mechanism of the present invention; Figure 6 is a schematic diagram of the dust-proof mechanism of the present invention Figure 1 ; Figure 7 is a schematic diagram of the dust-proof mechanism of the present invention Figure 2 ; Figure 8 is a schematic diagram of the dust-proof mechanism of the present invention Figure 3 ; Figure 9 is of the present invention Figure 8 an enlarged view of A in; Figure 10 is a schematic diagram of the auxiliary component of the present invention.

[0018] In the figure: 1, inner ring; 101, hollow column 1; 102, limiting groove 1; 103, annular groove 1; 104, annular cavity; 105, through hole 1; 106, through hole 2; 107, ball 1; 2, external mechanism; 201, outer ring; 202, limiting groove 2; 203, annular groove 2; 204, inclined groove; 3, dust-proof mechanism; 301, annular plate; 302, annular groove 3; 303, ball 2; 304, ball 3; 305, arc groove 1; 306, heat dissipation groove; 307, hollow column 2; 308, elastic component; 309, movable frame; 31, auxiliary component; 311, sliding ring; 312, round hole; 313, arc groove 2; 314, connecting ring; 315, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0020] Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as a limitation of the present invention.

[0021] In the present invention, unless otherwise clearly specified and defined, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] Embodiment 1: Refer to Figures 1 - 5 , the present invention provides a technical solution: a multifunctional dust-proof bearing, including an inner ring 1, an outer wall of the inner ring 1 is fixedly connected with a hollow column 101, a limiting groove 102 is opened on the outer wall of the hollow column 101, a first ball 107 is arranged outside the limiting groove 102, a first annular groove 103 is opened on the outer wall of the hollow column 101, an inner wall of the first annular groove 103 is rotatably connected with a dust-proof mechanism 3, an annular cavity 104 is opened on the inner wall of the hollow column 101, through holes 105 are opened at both upper and lower ends of the hollow column 101, the through holes 105 penetrate through the hollow column 101 and extend to the inner wall of the annular cavity 104, a through hole 106 is opened on the outer wall of the limiting groove 102, the through hole 106 penetrates through the limiting groove 102 and extends to the inner wall of the annular cavity 104. When the bearing needs to be lubricated with lubricating oil, as the auxiliary mechanism moves, the through hole 105 is no longer blocked, and the lubricating oil dripping on the bearing will enter the annular cavity 104 through the first through port. Then, when the bearing is working, the lubricating oil in the annular cavity 104 will move to the periphery of the first ball 107 through the through hole 106 to lubricate the first ball 107.

[0023] External mechanism 2, the external mechanism 2 includes an outer ring 201 sleeved on the outer wall of the hollow column 101. A second limiting groove 202 is provided on the inner wall of the outer ring 201. The second limiting groove 202 is rotatably connected to the first limiting groove 102 through a first ball 107. An inclined groove 204 is provided on the outer wall of the outer ring 201, and a second annular groove 203 is provided on the inner wall of the outer ring 201. When the bearing is working, as the outer ring 201 rotates, the inclined groove 204 is driven to rotate together. During the rotation of the inclined groove 204, it can induce air to generate eddy currents, taking away the heat generated by the operation of the bearing.

[0024] Embodiment 2: Please refer to Figures 6 - 10 , on the basis of Embodiment 1, the present invention provides a technical solution: The dust-proof mechanism 3 includes an annular plate 301. A second ball 303 is sleeved on the outer wall of the annular plate 301, and a third ball 304 is sleeved on the outer wall of the annular plate 301. The outer wall of the annular plate 301 is rotatably connected to the second annular groove 203 through the third ball 304, and the inner wall of the annular plate 301 is rotatably connected to the first annular groove 103 through the second ball 303. The dust-proof mechanism 3 reduces the friction generated during the rotation of the device through the second ball 303 and the third ball 304. A third annular groove 302 is provided on the side of the annular plate 301 away from the annular cavity 104. An auxiliary component 31 is rotatably connected to the inner wall of the third annular groove 302. The third annular groove 302 is used to limit the rotation range of the auxiliary component 31. An arc-shaped groove 305 is provided on the side of the annular plate 301 away from the third annular groove 302. The arc-shaped groove 305 penetrates through the annular plate 301 and extends to the side of the annular plate 301 away from the annular cavity 104. A heat dissipation groove 306 is provided on the side of the annular plate 301 away from the third annular groove 302. The heat dissipation groove 306 facilitates the device to transfer the temperature of the internal first ball 107 to the outside of the device. A hollow column 307 is fixedly connected to the side of the annular plate 301 away from the third annular groove 302. An elastic component 308 is fixedly connected to the inner wall of the hollow column 307. One end of the elastic component 308 away from the hollow column 307 is fixedly connected to a movable frame 309. The outer wall of the movable frame 309 is movably connected to the annular plate 301. When the bearing needs to be lubricated with lubricating oil, the movable frame 309 is pressed down to release the locking of the auxiliary component 31, and then the auxiliary component 31 is rotated to completely expose the opening of the arc-shaped groove 305. At this time, the external lubricating oil can enter the periphery of the first ball 107 through the arc-shaped groove 305.

[0025] The auxiliary component 31 includes a sliding ring 311. The inner wall of the sliding ring 311 is rotatably connected to the annular plate 301. A round hole 312 is formed on the side of the sliding ring 311 away from the annular plate 301. The inside of the round hole 312 is movably connected to the movable frame 309. An arc-shaped groove two 313 is formed on the side of the sliding ring 311 away from the annular plate 301. As the sliding ring 311 rotates, the opening state of the dust-proof mechanism 3 can be changed. A connecting ring 314 is fixedly connected to the side of the sliding ring 311 away from the annular plate 301. A baffle 315 is fixedly connected to the inner wall of the connecting ring 314. As the auxiliary component 31 is unlocked, the sliding ring 311 is driven to rotate. The rotation of the sliding ring 311 can drive the arc-shaped groove two 313 and the baffle to rotate together. As the arc-shaped groove two 313 and the baffle rotate, the bearing exposes the arc-shaped groove one 305 and the through hole one 105 completely, facilitating the lubricating oil to enter the inside of the bearing.

[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0027] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multifunctional dustproof bearing, comprising an inner ring (1), the outer wall of the inner ring (1) being fixedly connected to a hollow column (101), the outer wall of the hollow column (101) being provided with a limiting groove (102), the outer side of the limiting groove (102) being provided with a ball (107), the outer wall of the hollow column (101) being provided with an annular groove (103), the inner wall of the annular groove (103) being rotatably connected to a dustproof mechanism (3), characterized in that: Also includes: An external mechanism (2), the external mechanism (2) comprising an outer ring (201) sleeved on the outer wall of a hollow column (101), the inner wall of the outer ring (201) being provided with a second limiting groove (202), the second limiting groove (202) being rotatably connected to the first limiting groove (102) via a ball (107), the outer wall of the outer ring (201) being provided with an inclined groove (204), the inner wall of the outer ring (201) being provided with a second annular groove (203), the inclined groove (204) rotating as the outer ring (201) rotates, thereby driving the flow of gas.

2. A multifunctional dustproof bearing according to claim 1, characterized in that: The inner wall of the hollow column one (101) is provided with an annular cavity (104); the upper and lower ends of the hollow column one (101) are provided with a through hole one (105); the through hole one (105) penetrates the hollow column one (101) and extends to the inner wall of the annular cavity (104); the outer wall of the limiting groove one (102) is provided with a through hole two (106); the through hole two (106) penetrates the limiting groove one (102) and extends to the inner wall of the annular cavity (104); the annular cavity (104) is used to store lubricating oil, while the through hole one (105) and the through hole two (106) are used for the flow of lubricating oil.

3. A multifunctional dustproof bearing according to claim 2, characterized in that: The dustproof mechanism (3) comprises an annular plate (301), the outer wall of the annular plate (301) is provided with a second ball (303), the outer wall of the annular plate (301) is provided with a third ball (304), the outer wall of the annular plate (301) is rotatably connected to the second annular groove (203) via the third ball (304), the inner wall of the annular plate (301) is rotatably connected to the first annular groove (103) via the second ball (303), and the dustproof mechanism (3) reduces the friction generated when the device rotates via the second ball (303) and the third ball (304).

4. The multifunctional dustproof bearing according to claim 3, characterized in that: A third annular groove (302) is provided on one side of the annular plate (301) away from the annular cavity (104); the inner wall of the third annular groove (302) is rotatably connected to the auxiliary component (31); the third annular groove (302) is used to limit the rotation range of the auxiliary component (31).

5. The multifunctional dustproof bearing according to claim 4, characterized in that: The annular plate (301) is provided with an arc groove one (305) on a side away from the annular groove three (302), and the arc groove one (305) penetrates the annular plate (301) and extends to a side of the annular plate (301) away from the annular cavity (104). The annular plate (301) is provided with a heat dissipation groove (306) on a side away from the annular groove three (302), and the heat dissipation groove (306) facilitates the device to transfer the temperature of the internal ball one (107) to the outside of the device.

6. The multifunctional dustproof bearing according to claim 5, characterized in that: A hollow column 2 (307) is fixedly connected to a side of the annular plate (301) away from the annular groove 3 (302); an elastic component (308) is fixedly connected to the inner wall of the hollow column 2 (307); an end of the elastic component (308) away from the hollow column 2 (307) is fixedly connected to a movable frame (309); an outer wall of the movable frame (309) is movably connected to the annular plate (301); and the upward and downward movement of the movable frame (309) can control the locking state of the auxiliary component (31).

7. A multifunctional dustproof bearing according to claim 6, characterized in that: The auxiliary component (31) comprises a sliding ring (311), the inner wall of which is rotatably connected to the annular plate (301), a circular hole (312) is provided on a side of the sliding ring (311) away from the annular plate (301), the interior of the circular hole (312) is movably connected to a movable frame (309), and an arc groove 2 (313) is provided on a side of the sliding ring (311) away from the annular plate (301), and the opening state of the dustproof mechanism (3) can be changed as the sliding ring (311) rotates.

8. The multifunctional dustproof bearing according to claim 7, characterized in that: A connecting ring (314) is fixedly connected to one side of the sliding ring (311) away from the annular plate (301), and a baffle (315) is fixedly connected to the inner wall of the connecting ring (314). The position of the baffle (315) can be changed as the sliding ring (311) rotates.

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