Wear-resistant rod end knuckle bearing

Abstract

The utility model belongs to the technical field of rod end knuckle bearings, and particularly relates to a wear-resistant rod end knuckle bearing which comprises a bearing outer ring, a spherical roller is arranged on the inner wall of the bearing outer ring in an attached mode, a bearing inner ring is arranged on the surface of the spherical roller in an attached mode, and the bearing inner ring is arranged on the inner wall of the bearing inner ring. And retainers are arranged on the inner wall of the bearing outer ring, the surface of the spherical roller and the surface of the bearing inner ring in an attached manner. According to the wear-resistant rod end knuckle bearing, more lubricating oil can be stored between the bearing outer ring and the bearing rod through the cooperation of the bearing outer ring, the threaded column, the bearing rod, the oil pushing support, the connecting cover and the baffle ring, meanwhile, the lubricating oil can be slowly injected into the bearing outer ring through the oil injection hole through the cooperation of the volute spiral spring, the threaded column and the oil pushing support, and therefore the lubricating oil can be slowly injected into the bearing outer ring. Therefore, the spherical roller in the rod end knuckle bearing can be lubricated for a long time, and the oil injection interval time is prolonged, so that the rod end knuckle bearing is more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of rod end joint bearing, concretely relates to a wear -resisting rod end joint bearing. BACKGROUND

[0002] Rod end joint bearing is the joint bearing with rod end or installed in the rod end, it belongs to a branch class in joint bearing. At present, the wear -resisting rod end joint bearing on the market mainly is combined by bearing outer ring, bearing roller, bearing inner ring, retainer, bearing rod and oil injection hole, wherein, through the oil injection hole on the bearing outer ring, lubricating oil can be injected into the bearing outer ring, and the bearing roller is damaged through lubricating oil, and then the wear speed of the bearing roller is reduced, for example, the wear -resisting detachable rod end joint bearing disclosed in the patent no. CN215293223U of China, but due to the less lubricating oil stored in the rod end joint bearing, the oil injection interval time is short, so that the rod end joint bearing is more troublesome to use. SUMMARY

[0003] The utility model discloses a kind of wear -resisting rod end joint bearings, solve the problem that due to the less lubricating oil stored in the rod end joint bearing, and the oil injection interval time is short.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A kind of wear -resisting rod end joint bearing, including bearing outer ring, the inner wall of the bearing outer ring is attached and is provided with spherical roller, the surface of the spherical roller is attached and is provided with bearing inner ring, the inner wall of the bearing outer ring, the surface of spherical roller and the surface of bearing inner ring are all attached and are provided with retainer, the right side of the bearing outer ring is provided with oil injection hole, the right side of the bearing outer ring is fixedly connected with threaded column, the left side of the threaded column is provided with oil injection groove, the right side of the threaded column is fixedly connected with bearing rod, the surface of the bearing outer ring and the surface of bearing rod are all attached and are provided with push oil support, the inner wall of the push oil support and the surface of threaded column are threadedly connected, the surface of the push oil support is fixedly connected with volute spring, the surface of the volute spring and the surface of bearing outer ring are all fixedly connected with connecting cover, the inner wall of the connecting cover and the left side of push oil support are attached, the right side of the push oil support is attached and is provided with baffle ring, the inner wall of the baffle ring and the surface of bearing rod are fixedly connected.

[0006] The utility model further sets up, the push oil support includes cylinder, oil injection pipe, sealing plug, push oil piece, threaded cylinder, strip groove, sliding block and breathable micropore, the surface of bearing outer ring and the surface of bearing rod all are pasted with the inner wall of cylinder, the left and right sides of cylinder are pasted with the inner wall of connecting cover and the left side of baffle ring respectively, the bottom of oil injection pipe is fixedly linked with the upper surface of cylinder, the inner wall of oil injection pipe is screwed with the surface of sealing plug, the surface of push oil piece is pasted with the inner wall of cylinder, the inner wall of push oil piece is fixedly connected with the surface of threaded cylinder, the inner wall of threaded cylinder is screwed with the surface of threaded column, the strip groove is set up on the bottom of cylinder inner wall, the surface of sliding block is pasted with the inner wall of strip groove, the upper surface of sliding block is fixedly connected with the bottom of push oil piece, the breathable micropore is set up on the surface of cylinder.

[0007] The utility model further sets up, the upper surface of cylinder is set up with round hole, the inner wall of round hole is pasted with and is set up with the locating plug, the upper surface of bearing rod is set up with the locating groove, the locating groove is located below the locating plug.

[0008] The utility model further sets up, the friction between locating plug and round hole is greater than the gravity of locating plug.

[0009] The utility model further sets up, the upper surface of locating plug is pasted with and is set up with U-shaped column, the bottom of U-shaped column is fixedly connected with the upper surface of bearing rod.

[0010] The utility model further sets up, the upper and lower two sides of threaded column, the right side of bearing outer ring and the left side of bearing rod all are fixedly connected with reinforcing pad.

[0011] The utility model discloses a kind of technical effects for:

[0012] The utility model discloses a kind of wear-resistant rod end joint bearing, by the cooperation of bearing outer ring, threaded column, bearing rod, push oil support, connecting cover and baffle ring, more lubricating oil can be stored between bearing outer ring and bearing rod, simultaneously, by the cooperation of scroll spring, threaded column and push oil support, lubricating oil can be slowly injected into bearing outer ring by oil injection hole, further, spherical roller in this rod end joint bearing can be lubricated for a long time, and injection interval time is increased, so that this rod end joint bearing is more convenient to use.

[0013] The utility model discloses a kind of wear-resistant rod end joint bearing, by setting round hole, locating plug and locating groove, when user moves push oil piece to the rightmost side by rotating cylinder on push oil support, can be inserted into locating groove by locating plug in round hole, cylinder cannot be rotated, further, when user is injected into cylinder, cylinder can be loosened, so that injection process is more convenient, simultaneously, by U-shaped column, locating plug and round hole cannot be separated, further, locating plug is not easy to lose. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of the structure of the utility model;

[0015] Figure 2 is a right view of the structure of the utility model;

[0016] Figure 3 is Figure 2 the section view at A-A in the middle;

[0017] Figure 4 is Figure 3 the enlarged view at B in the middle;

[0018] Figure 5 is a right view of the bearing outer ring in the utility model;

[0019] Figure 6 is a schematic view of the threaded column in the utility model;

[0020] Figure 7 is a top view of the bearing rod in the utility model;

[0021] Figure 8 is a left view of the oil pushing support in the utility model;

[0022] Figure 9 is Figure 8 the section view at C-C in the middle;

[0023] Figure 10 is a top view of the cylinder in the utility model;

[0024] Figure 11 is a right view of the connecting cover in the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 1, bearing outer ring; 2, spherical roller; 3, bearing inner ring; 4, retainer; 5, oil injection hole; 6, threaded column; 7, oil injection groove; 8, bearing rod; 9, oil pushing support; 91, cylinder; 92, oil injection pipe; 93, sealing plug; 94, oil pushing block; 95, threaded cylinder; 96, strip-shaped groove; 97, sliding block; 98, air-permeable micropore; 10, volute spring; 11, connecting cover; 12, blocking ring; 13, round hole; 14, positioning plug; 15, positioning groove; 16, U-shaped column; 17, reinforcing block. DETAILED DESCRIPTION

[0027] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below with the drawings in the specification.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] like Figures 1 to 11 As shown, a wear-resistant rod end joint bearing comprises a bearing outer ring 1, the inner wall of the bearing outer ring 1 is fitted with a spherical roller 2, the surface of the spherical roller 2 is fitted with a bearing inner ring 3, the inner wall of the bearing outer ring 1, the surface of the spherical roller 2 and the surface of the bearing inner ring 3 are all fitted with a retainer 4, an oil filling hole 5 is opened on the right side of the bearing outer ring 1, a threaded column 6 is fixedly connected to the right side of the bearing outer ring 1, and reinforcement blocks 17 are fixedly connected to the upper and lower sides of the threaded column 6, the right side of the bearing outer ring 1 and the left side of the bearing rod 8, and a retaining frame 4 is opened on the left side of the threaded column 6. There is an oil filling groove 7, and the right side of the threaded column 6 is fixedly connected to the bearing rod 8. The surface of the bearing outer ring 1 and the surface of the bearing rod 8 are both fitted with an oil pushing bracket 9. The inner wall of the oil pushing bracket 9 is threadedly connected to the surface of the threaded column 6. The surface of the oil pushing bracket 9 is fixedly connected with a volute spring 10. The surface of the volute spring 10 and the surface of the bearing outer ring 1 are both fixedly connected with a connecting cover 11. The inner wall of the connecting cover 11 is fitted with the left side of the oil pushing bracket 9. The right side of the oil pushing bracket 9 is fitted with a retaining ring 12. The inner wall of the retaining ring 12 is fixedly connected to the surface of the bearing rod 8.

[0030] Among them, the oil pushing bracket 9 includes a cylinder 91, an oil filling pipe 92, a sealing plug 93, an oil pushing block 94, a threaded cylinder 95, a strip groove 96, a slider 97 and a breathable micropore 98. The surface of the bearing outer ring 1 and the surface of the bearing rod 8 are both in contact with the inner wall of the cylinder 91. The left and right sides of the cylinder 91 are respectively in contact with the inner wall of the connecting cover 11 and the left side of the retaining ring 12. The bottom end of the oil filling pipe 92 is fixedly connected to the upper surface of the cylinder 91. The inner wall of the oil filling pipe 92 is fixed to the sealing plug. The surface of 93 is threadedly connected, the surface of the oil pushing block 94 fits with the inner wall of the cylinder 91, the inner wall of the oil pushing block 94 is fixedly connected to the surface of the threaded cylinder 95, the inner wall of the threaded cylinder 95 is threadedly connected to the surface of the threaded column 6, the strip groove 96 is opened on the bottom of the inner wall of the cylinder 91, the surface of the slider 97 fits with the inner wall of the strip groove 96, the upper surface of the slider 97 is fixedly connected to the bottom of the oil pushing block 94, and the air permeable micropores 98 are opened on the surface of the cylinder 91.

[0031] It needs to be explained that the bearing outer ring 1 is connected with the bearing rod 8 through the threaded column 6, and the connection between the bearing outer ring 1 and the threaded column 6 and the connection between the bearing rod 8 and the threaded column 6 are not easy to crack through the reinforcing block 17, the cooperation of the connecting cover 11 and the blocking ring 12 can position the cylinder 91, and the cooperation of the strip-shaped groove 96 and the sliding block 97 can make the oil pushing block 94 rotate with the cylinder 91, and the oil pushing block 94 can move left and right in the cylinder 91, when the cylinder 91 rotates, the oil pushing block 94 moves right or left through the cooperation of the threaded column 6 and the threaded cylinder 95, when the oil pushing block 94 moves to the rightmost side, the volute spring 10 is in a tightening state, then the cylinder 91 is driven to rotate through the elastic force of the volute spring 10, and the oil pushing block 94 moves left through the cooperation of the threaded column 6 and the threaded cylinder 95, at this time, the lubricating oil in the cylinder 91 enters the bearing outer ring 1 through the oil injection groove 7 and the oil injection hole 5 in turn, the air inside and outside the cylinder 91 can flow through the air permeable micro hole 98.

[0032] As shown in Figures 1 to 10 The upper surface of the cylinder 91 is provided with a round hole 13, the inner wall of the round hole 13 is provided with a positioning plug 14, the upper surface of the bearing rod 8 is provided with a positioning groove 15, the positioning groove 15 is located below the positioning plug 14, and the upper surface of the positioning plug 14 is provided with a U-shaped column 16, and the bottom of the U-shaped column 16 is fixedly connected with the upper surface of the bearing rod 8.

[0033] The friction force between the positioning plug 14 and the round hole 13 is greater than the gravity of the positioning plug 14.

[0034] It needs to be explained that when the user rotates the cylinder 91 on the oil pushing support 9 to move the oil pushing block 94 to the rightmost side, the positioning plug 14 in the round hole 13 can be inserted into the positioning groove 15, so that the cylinder 91 cannot rotate, and the user can loosen the cylinder 91 when injecting oil into the cylinder 91, so that the oil injection process is more convenient, and the positioning plug 14 cannot be separated from the round hole 13 through the U-shaped column 16, so that the positioning plug 14 is not easy to lose.

[0035] The working principle of the utility model is as follows: first, rotate the cylinder 91, and move the oil pushing block 94 right under the cooperation of the threaded column 6 and the threaded cylinder 95, when the oil pushing block 94 moves to the rightmost side, insert the positioning plug 14 into the positioning groove 15, and the cooperation of the positioning plug 14 and the positioning groove 15 makes the cylinder 91 unable to rotate, then unscrew the sealing plug 93 from the oil injection pipe 92, and inject lubricating oil into the cylinder 91 through the oil injection pipe 92.

[0036] When the injection of lubricating oil is completed, the sealing plug 93 is screwed on the oil injection pipe 92, and then the positioning plug 14 is pulled out from the positioning groove 15, at this time, the cylinder 91 is rotated by the elastic force of the scroll spring 10, and the oil pushing block 94 is moved to the left through the cooperation of the threaded column 6 and the threaded cylinder 95, then the lubricating oil in the cylinder 91 enters the bearing outer ring 1 through the oil injection groove 7 and the oil injection hole 5 in sequence, and the shaft spherical roller 2 is lubricated by the lubricating oil.

[0037] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, which should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specifically described and limited, are implemented according to the conventional means in the art.

Claims

1. A wear resistant rod end knuckle bearing characterized by: The utility model provides a bearing, including bearing outer ring (1), the inner wall of bearing outer ring (1) is provided with spherical roller (2) fittingly, the surface of spherical roller (2) is provided with bearing inner race (3) fittingly, the inner wall of bearing outer ring (1), the surface of spherical roller (2) and the surface of bearing inner race (3) are provided with retainer (4) fittingly, the right side of bearing outer ring (1) is provided with oil injection hole (5), the right side of bearing outer ring (1) is fixedly connected with threaded column (6), the left side of threaded column (6) is provided with oil injection groove (7), the right side of threaded column (6) is fixedly connected with bearing rod (8), the surface of bearing outer ring (1) and the surface of bearing rod (8) are provided with push oil support (9) fittingly, the inner wall of push oil support (9) is threadedly connected with the surface of threaded column (6), the surface of push oil support (9) is fixedly connected with volute spring (10), the surface of volute spring (10) and the surface of bearing outer ring (1) are fixedly connected with connecting cover (11), the inner wall of connecting cover (11) is fitted with the left side of push oil support (9), the right side of push oil support (9) is provided with retaining ring (12) fittingly, the inner wall of retaining ring (12) is fixedly connected with the surface of bearing rod (8).

2. A rod end bearing of the type described in claim 1, wherein: The push oil support (9) includes a cylinder (91), an oil injection pipe (92), a sealing plug (93), a push oil block (94), a threaded cylinder (95), a strip-shaped groove (96), a sliding block (97), and air-permeable micropores (98). The surface of the bearing outer ring (1) and the surface of the bearing rod (8) are fitted with the inner wall of the cylinder (91). The left and right sides of the cylinder (91) are fitted with the inner wall of the connecting cover (11) and the left side of the retaining ring (12), respectively. The bottom end of the oil injection pipe (92) is fixedly communicated with the upper surface of the cylinder (91). The inner wall of the oil injection pipe (92) is threadedly connected with the surface of the sealing plug (93). The surface of the push oil block (94) is fitted with the inner wall of the cylinder (91). The inner wall of the push oil block (94) is fixedly connected with the surface of the threaded cylinder (95). The inner wall of the threaded cylinder (95) is threadedly connected with the surface of the threaded column (6). The strip-shaped groove (96) is arranged on the bottom of the inner wall of the cylinder (91). The surface of the sliding block (97) is fitted with the inner wall of the strip-shaped groove (96). The upper surface of the sliding block (97) is fixedly connected with the bottom of the push oil block (94). The air-permeable micropores (98) are arranged on the surface of the cylinder (91).

3. A rod end bearing of the type described in claim 2, wherein: The upper surface of the cylinder (91) is provided with a circular hole (13). The inner wall of the circular hole (13) is fitted with a positioning plug (14). The upper surface of the bearing rod (8) is provided with a positioning groove (15). The positioning groove (15) is located below the positioning plug (14).

4. A rod end bearing of the type defined in claim 3, characterised in that: The frictional force between the positioning plug (14) and the circular hole (13) is greater than the gravity of the positioning plug (14).

5. A rod end bearing of the type described in claim 3 wherein: The upper surface of the positioning plug (14) is fitted with a U-shaped column (16). The bottom of the U-shaped column (16) is fixedly connected with the upper surface of the bearing rod (8).

6. A rod end bearing of the type described in claim 1 wherein: The upper and lower sides of the threaded column (6), the right side of the bearing outer ring (1) and the left side of the bearing rod (8) are fixedly connected with reinforcing blocks (17).

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