Dustproof rolling bearing

Abstract

The utility model discloses a dustproof rolling bearing which comprises an outer shaft washer, an inner shaft washer is arranged in the center of the inner side of the outer shaft washer, dustproof plates are installed on the outer surfaces of the two sides of the outer shaft washer, outer round corners are arranged at the corners of the outer walls of the two sides of the outer shaft washer, and inner round corners are arranged at the corners of the outer walls of the two sides of the inner shaft washer. A first sliding groove is formed in the inner wall of the outer shaft washer, a second sliding groove is formed in the outer wall of the inner shaft washer, balls are arranged in the outer shaft washer on the outer side of the inner shaft washer at equal intervals, and the two ends of each ball extend into the first sliding groove and the second sliding groove respectively. According to the dustproof rolling bearing, the phenomenon of passivation abrasion generated after the rolling bearing is used for a long time is reduced, so that the service life of the rolling bearing is prolonged, the phenomenon that the balls are attached to one another is reduced, the rolling operation effect of the rolling bearing in use is guaranteed, and the dustproof purpose is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a dustproof rolling bearing. Background Art

[0002] Rolling bearings are one of many types of bearings. Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient of mechanical rotating bodies during movement, and ensure their rotation accuracy. They are usually standard parts.

[0003] A dustproof rolling bearing with reference announcement number CN208057682U comprises a rolling bearing body and an end cover, the rolling bearing body comprises a bearing outer ring, a bearing inner ring, a rolling element and a retaining frame, the end covers are symmetrically arranged at both ends of the rolling bearing body, the end covers comprise a connecting portion and a cover body portion, the retaining frame is provided with pockets and a connecting channel, the retaining frame is formed by butting two half retaining frames, the first half retaining frame is provided with an L-shaped bent claw, the second half retaining frame is provided with a bent claw block matching the L-shaped bent claw, end covers are arranged at both ends of the rolling bearing body to enhance the sealing of the rolling bearing body, a connecting channel is arranged between the pockets, so that lubricating oil can be The internal circulation of the cage improves the lubrication effect. At the same time, the first half cage and the second half cage are a floating structure, so that the first half cage can move relative to the second half cage to avoid the rolling body from getting stuck, thereby increasing the service life of the rolling bearing. According to the above, although the rolling bearing can be well applied, it is usually not convenient to lubricate the balls, which makes the rolling bearing prone to dull wear after long-term use. In addition, the rolling bearing is not convenient for connecting multiple balls, which makes it easy for the balls to fit each other, thereby affecting the rolling operation effect of the rolling bearing, which often troubles people. Utility Model Content

[0004] The purpose of the utility model is to provide a dustproof rolling bearing to solve the problem proposed in the above background technology that although the rolling bearing can be well applied, it is usually not convenient to lubricate the balls, which makes the rolling bearing prone to dull wear after long-term use. In addition, the rolling bearing is not convenient for connecting multiple balls, which makes the balls prone to mutual fit, thereby affecting the rolling operation effect of the rolling bearing.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dustproof rolling bearing, comprising an outer shaft ring, an inner shaft ring is arranged at the center position of the inner side of the outer shaft ring, dustproof plates are installed on the outer surfaces of both sides of the outer shaft ring, outer fillets are arranged at the corner positions of the outer walls of both sides of the outer shaft ring, inner fillets are arranged at the corner positions of the outer walls of both sides of the inner shaft ring, a first slide groove is arranged on the inner wall of the outer shaft ring, a second slide groove is arranged on the outer wall of the inner shaft ring, and balls with equal spacing are arranged inside the outer shaft ring outside the inner shaft ring, and both ends of the balls are arranged They extend to the inside of the first slide groove and the second slide groove respectively, a lubrication channel is arranged inside the outer shaft ring, and the lubrication channel is arranged in an annular structure. The outer shaft ring inside the lubrication channel is provided with lubrication holes at equal intervals, one end of the lubrication hole extends to the outside of the outer shaft ring, and the other end of the lubrication hole extends to the inside of the lubrication channel. An injection port is arranged inside the outer shaft ring outside the lubrication channel, one end of the injection port extends to the inside of the lubrication channel, and the other end of the injection port extends to the outside of the outer shaft ring, and a sealing plug is installed inside the injection port.

[0006] Preferably, the outer shaft ring at the position of the dustproof plate is provided with equally spaced pin holes, one end of the pin hole extends to the outside of the outer shaft ring, and the pin hole is provided to facilitate the placement of the pin shaft.

[0007] Preferably, an annular frame is provided on the outer wall of the ball, and eight annular frames and eight balls are provided. The annular frame is provided to facilitate placement of the connecting piece.

[0008] Preferably, the outer shaft rings between the annular frames are provided with connecting pieces, both ends of the connecting pieces are fixedly connected to the outer wall of the annular frame, and the connecting pieces are provided so that the balls can be spaced between the outer shaft ring and the inner shaft ring.

[0009] Preferably, a pin shaft is inserted and installed inside the pin hole, one end of the pin shaft extends to the outside of the pin hole and is fixedly connected to the inner wall of the dustproof plate, and the dustproof plate can be installed on the outer surfaces of both sides of the outer shaft ring by inserting the pin shaft into the pin hole.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the dustproof rolling bearing not only reduces the phenomenon of passivation wear of the rolling bearing after long-term use, thereby extending the service life of the rolling bearing, but also reduces the phenomenon of mutual adhesion between balls, thereby ensuring the rolling operation effect of the rolling bearing during use, and achieving the purpose of dustproof;

[0011] (1) By pulling the sealing plug out of the injection port and then injecting the lubricating liquid into the lubrication channel through the injection port, the lubricating liquid can flow into the inner side of the outer shaft ring through the multiple lubrication holes to lubricate the balls, thereby reducing the phenomenon of passive wear of the rolling bearing after long-term use, thereby extending the service life of the rolling bearing;

[0012] (2) By providing a plurality of connecting members and an annular frame, a plurality of balls can be connected so that the plurality of balls are limitedly placed between the outer shaft ring and the inner shaft ring, thereby reducing the phenomenon of mutual contact between the balls, thereby ensuring the rolling operation effect when the rolling bearing is used;

[0013] (3) By inserting the pin shaft into the pin hole, two dust shields can be installed on the outer surfaces of both sides of the outer shaft ring, so that the two dust shields can block the gap between the outer shaft ring and the inner shaft ring, thereby reducing the phenomenon of dust flowing into the gap between the outer shaft ring and the inner shaft ring and causing erosion to the ball, thereby achieving the purpose of dust prevention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the ball bearing of the utility model from a top view;

[0017] Figure 4 This is a schematic diagram of the structure of the outer shaft ring and the inner shaft ring of the utility model;

[0018] Figure 5 This is a schematic diagram of the front view structure of the ball bearing of the utility model;

[0019] Figure 6 It is a schematic diagram of the side cross-sectional structure of the utility model;

[0020] Figure 7 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0021] Figure 8 For this utility model Figure 6 Enlarged structural diagram at B in the middle.

[0022] In the figure: 1, outer shaft ring; 101, outer fillet; 2, inner shaft ring; 201, inner fillet; 3, dust plate; 4, first slide groove; 5, second slide groove; 6, ball; 7, connecting piece; 8, lubrication channel; 9, lubrication hole; 10, annular frame; 11, pin hole; 12, liquid injection port; 13, sealing plug; 14, pin shaft. DETAILED DESCRIPTION

[0023] 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. 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.

[0024] See also Figure 1-8 , the utility model provides an embodiment: a dustproof rolling bearing, comprising an outer shaft ring 1, the outer shaft ring 1 is provided with a lubrication channel 8 inside, and the lubrication channel 8 is provided in an annular structure;

[0025] When in use, the lubrication channel 8 is arranged so that the lubrication liquid flows into the positions of the plurality of lubrication holes 9;

[0026] The outer shaft ring 1 inside the lubrication channel 8 is provided with lubrication holes 9 at equal intervals, one end of the lubrication hole 9 extends to the outside of the outer shaft ring 1, and the other end of the lubrication hole 9 extends to the inside of the lubrication channel 8;

[0027] When in use, the lubrication hole 9 is provided so that the lubricating liquid flows into the inner side of the outer shaft ring 1 to lubricate the ball 6;

[0028] An injection port 12 is provided inside the outer shaft ring 1 outside the lubrication channel 8, one end of the injection port 12 extends to the inside of the lubrication channel 8, and the other end of the injection port 12 extends to the outside of the outer shaft ring 1, and a sealing plug 13 is installed inside the injection port 12;

[0029] When in use, the sealing plug 13 is provided to open and close the liquid injection port 12;

[0030] An inner shaft ring 2 is arranged at the center position of the inner side of the outer shaft ring 1, and dustproof plates 3 are installed on the outer surfaces of both sides of the outer shaft ring 1. Pin holes 11 with equal spacing are arranged inside the outer shaft ring 1 at the position of the dustproof plates 3, and one end of the pin hole 11 extends to the outside of the outer shaft ring 1;

[0031] When in use, the pin hole 11 is provided so as to place the pin shaft 14;

[0032] A pin shaft 14 is inserted and installed inside the pin hole 11, and one end of the pin shaft 14 extends to the outside of the pin hole 11 and is fixedly connected to the inner wall of the dustproof plate 3;

[0033] When in use, the dustproof plate 3 is installed on the outer surfaces of both sides of the outer shaft ring 1 by inserting the pin shaft 14 into the pin hole 11;

[0034] The corner positions of the outer walls on both sides of the outer shaft ring 1 are provided with outer fillets 101, the corner positions of the outer walls on both sides of the inner shaft ring 2 are provided with inner fillets 201, the inner wall of the outer shaft ring 1 is provided with a first slide groove 4, the outer wall of the inner shaft ring 2 is provided with a second slide groove 5, and the outer shaft ring 1 outside the inner shaft ring 2 is provided with balls 6 with equal spacing, and the two ends of the balls 6 extend to the inside of the first slide groove 4 and the second slide groove 5 respectively, and the outer walls of the balls 6 are provided with an annular frame 10, and the annular frame 10 and the balls 6 are provided with eight;

[0035] When in use, the annular frame 10 is provided to facilitate placement of the connecting member 7;

[0036] The outer shaft ring 1 between the annular frames 10 is provided with a connecting piece 7 inside, and both ends of the connecting piece 7 are fixedly connected to the outer wall of the annular frame 10;

[0037] When in use, the connecting piece 7 is arranged so that the balls 6 are arranged between the outer shaft ring 1 and the inner shaft ring 2 at intervals.

[0038] When the embodiment of the present application is in use, firstly, the two dustproof plates 3 can be installed on the outer surfaces on both sides of the outer shaft ring 1 by correspondingly plugging the pin shaft 14 into the inside of the pin hole 11, so as to achieve the purpose of dust prevention and reduce the dust erosion on the balls 6 and between the outer shaft ring 1 and the inner shaft ring 2. Then, by setting up multiple connecting parts 7 and the annular frame 10, the multiple balls 6 can be connected to limit the multiple balls 6 and place them between the outer shaft ring 1 and the inner shaft ring 2, so as to avoid the phenomenon of mutual fit between the balls 6. Finally, by pulling the sealing plug 13 out of the injection port 12 and then injecting the lubricating liquid into the lubrication channel 8 through the injection port 12, the lubricating liquid can flow into the inner side of the outer shaft ring 1 through the multiple lubrication holes 9 to lubricate the balls 6, so as to reduce the phenomenon of passivation wear of the rolling bearing, thereby completing the use of the rolling bearing.

[0039] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A dustproof rolling bearing, characterized in that: The invention comprises an outer shaft ring (1), an inner shaft ring (2) is arranged at the center position of the inner side of the outer shaft ring (1), dustproof plates (3) are installed on the outer surfaces of both sides of the outer shaft ring (1), outer fillets (101) are arranged at the corner positions of the outer walls of both sides of the outer shaft ring (1), inner fillets (201) are arranged at the corner positions of the outer walls of both sides of the inner shaft ring (2), a first slide groove (4) is arranged on the inner wall of the outer shaft ring (1), a second slide groove (5) is arranged on the outer wall of the inner shaft ring (2), and balls (6) with equal spacing are arranged inside the outer shaft ring (1) outside the inner shaft ring (2), and the two ends of the balls (6) extend to the first slide groove (4) and the second slide groove (5) respectively. Internally, a lubrication channel (8) is provided inside the outer shaft ring (1), and the lubrication channel (8) is provided in an annular structure. The outer shaft ring (1) inside the lubrication channel (8) is provided with lubrication holes (9) at equal intervals. One end of the lubrication hole (9) extends to the outside of the outer shaft ring (1), and the other end of the lubrication hole (9) extends to the inside of the lubrication channel (8). The outer shaft ring (1) outside the lubrication channel (8) is provided with a liquid injection port (12), one end of the liquid injection port (12) extends to the inside of the lubrication channel (8), and the other end of the liquid injection port (12) extends to the outside of the outer shaft ring (1). A sealing plug (13) is installed inside the liquid injection port (12).

2. A dustproof rolling bearing according to claim 1, characterized in that: The outer shaft ring (1) at the position of the dustproof plate (3) is provided with pin holes (11) at equal intervals, and one end of the pin hole (11) extends to the outside of the outer shaft ring (1).

3. The dustproof rolling bearing according to claim 1, characterized in that: An annular frame (10) is provided on the outer wall of the ball bearing (6), and eight of the annular frame (10) and the ball bearing (6) are provided.

4. The dustproof rolling bearing according to claim 3, characterized in that: Connecting pieces (7) are provided inside the outer shaft rings (1) between the annular frames (10), and both ends of the connecting pieces (7) are fixedly connected to the outer wall of the annular frame (10).

5. The dustproof rolling bearing according to claim 2, characterized in that: A pin shaft (14) is inserted and installed inside the pin hole (11), and one end of the pin shaft (14) extends to the outside of the pin hole (11) and is fixedly connected to the inner wall of the dustproof plate (3).

Images