Rocker arm shaft capable of being continuously lubricated

Abstract

The utility model relates to the technical field of rockshafts, and discloses a continuously lubricated rockshaft which comprises a shaft body, the top end of the shaft body penetrates through and is fixedly connected with a connecting hole, the left end of the inner wall of the shaft body is fixedly connected with two sets of threaded sleeves, and the two sets of threaded sleeves are symmetrically arranged with the center line of the shaft body as the symmetry axis. A lubricating assembly is arranged on the outer wall of the front surface of the shaft body and comprises a through groove, the through groove is formed in the outer wall of the front surface of the shaft body, a second sliding groove is formed in the rear surface of the through groove, and an oil storage pipe is fixedly connected to the position, close to the position between the two sets of threaded sleeves, of the inner wall of the shaft body. According to the utility model, the ball is pressed by the rocker arm part to drive the limiting disc to move inwards, the ball is released from the contact with the sealing gasket, and lubricating oil can flow out from the limiting groove, the sliding groove I, the sliding groove II and the through groove, so that the rocker arm part can be continuously lubricated when being rubbed with the shaft body, the service life is prolonged, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rocker arm shafts, in particular to a rocker arm shaft with sustainable lubrication. Background Art

[0002] In motor vehicles such as cars and motorcycles, the valve train is a vital part that controls the opening and closing of the valves, thus affecting the engine's operating efficiency. The rocker shaft is one of the key parts in the valve train, which withstands the repeated torsional force generated when the engine is working.

[0003] Due to the friction and heat generated during mechanical operation, the rocker shaft requires continuous lubrication to maintain its performance and extend its service life. However, the existing lubrication method is usually through manual oiling, which often cannot meet the needs of continuous lubrication. The rocker shaft and the multiple sets of rocker parts connected are worn and fail prematurely, thus affecting its service life and working efficiency. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a rocker shaft with sustainable lubrication, aiming to improve the problem mentioned in the prior art that "the connection is manually oiled, and friction and heat are continuously generated during mechanical operation, and manual oiling cannot be continued during operation. When the injected oil lubrication is used up, the rocker shaft will also wear, resulting in premature failure, affecting the lifespan and work efficiency."

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a rocker arm shaft with continuous lubrication, comprising a shaft body, a connecting hole passing through and fixedly connected to the top end of the shaft body, a threaded sleeve fixedly connected to the left end of the inner wall of the shaft body and two groups of threaded sleeves are arranged symmetrically with the center line of the shaft body as the symmetry axis, and a lubrication component is opened on the outer wall of the front surface of the shaft body;

[0006] The lubrication assembly includes a through groove, which is opened on the outer wall of the front surface of the shaft body, and a second slide groove is opened on the rear surface of the through groove. An oil storage pipe is fixedly connected between the inner wall of the shaft body near the two groups of threaded sleeves, and the connecting hole passes through and is fixedly connected to the top of the oil storage pipe.

[0007] As a further description of the above technical solution:

[0008] A sealing gasket is fixedly connected to the inner wall of the front surface of the second slide groove.

[0009] As a further description of the above technical solution:

[0010] A slide groove 1 is provided on the outer wall of the front surface of the oil storage pipe, and a limiting groove is provided on the rear surface of the slide groove 1.

[0011] As a further description of the above technical solution:

[0012] The through groove, the second slide groove, the first slide groove and the limiting groove are connected to each other, and the inner wall of the oil storage pipe is fixedly connected with a support plate.

[0013] As a further description of the above technical solution:

[0014] A limiting plate is inserted into the inner wall of the limiting groove, a ball is fixedly connected to the front surface of the middle part of the limiting plate, and the ball contacts the inner wall of the rear surface of the sealing gasket.

[0015] As a further description of the above technical solution:

[0016] The support plate and the limiting plate are elastically connected via a spring, and the ball slides on the inner wall of the second slide groove.

[0017] As a further description of the above technical solution:

[0018] The ball slides on the inner wall of the first slide groove, and the ball is inserted into the inner wall of the through groove.

[0019] As a further description of the above technical solution:

[0020] The through grooves, round balls, limit plates and springs are arranged in multiple groups, and the multiple groups of through grooves, round balls, limit plates and springs are symmetrically arranged with the center line of the shaft body as the symmetry axis.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the ball is pressed by the rocker arm part to move inward, driving the limit plate to move inward, so that the ball is released from contact with the sealing gasket, and the ball slides from the second slide groove to the first slide groove, and at the same time the limit plate slides out of the limit groove. At this time, the lubricating oil can flow out from the limit groove, the first slide groove, the second slide groove, and the through groove, so that the rocker arm part can be continuously lubricated when rubbing against the shaft body, thereby improving the service life and efficiency.

[0023] 2. In the utility model, the lubricating oil can be prevented from flowing out by setting a sealing gasket, thereby improving the sealing performance and preventing the lubricating oil from flowing out and causing waste. The lubricating oil can only flow out after squeezing the ball for lubrication, further improving the effect of continuous lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0025] Figure 2 It is a cross-sectional schematic diagram of the three-dimensional structure of the central axis body of the utility model;

[0026] Figure 3It is a cross-sectional schematic diagram of the three-dimensional structure of the central shaft body and the oil storage pipe of the utility model;

[0027] Figure 4 It is a cross-sectional schematic diagram of the three-dimensional structure of the central axis body, oil storage pipe and connecting hole of the utility model.

[0028] Legend:

[0029] 1. Shaft body; 2. Connecting hole; 3. Through groove; 4. Ball; 5. Sealing gasket; 6. Oil storage pipe; 7. Threaded sleeve; 8. Spring; 9. Support plate; 10. Limit plate; 11. Slideway 1; 12. Limit groove; 13. Slideway 2. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1 - Figure 4 The utility model provides an embodiment: a rocker arm shaft with sustainable lubrication, including a shaft body 1, the shaft body 1 is the main body of the rocker arm shaft, the top of the shaft body 1 is penetrated and fixedly connected with a connecting hole 2, the connecting hole 2 can pass a bolt to fix the rocker arm part, the left end of the inner wall of the shaft body 1 is fixedly connected with a threaded sleeve 7 and two groups are provided, the two groups of threaded sleeves 7 are symmetrically arranged with the center line of the shaft body 1 as the symmetry axis, and the outer wall of the front surface of the shaft body 1 is provided with a lubrication component;

[0032] The lubrication assembly includes a through groove 3, which provides lubricating oil to flow out and allows the ball 4 to slide out. The through groove 3 is opened on the outer wall of the front surface of the shaft body 1, and a second slide groove 13 is opened on the rear surface of the through groove 3. The second slide groove 13 fixes the sealing gasket 5 and the ball 4 can slide on the inner wall of the second slide groove 13. An oil storage pipe 6 is fixedly connected between the inner wall of the shaft body 1 near the two groups of threaded sleeves 7. Lubricating oil can be stored in the oil storage pipe 6. The connecting hole 2 passes through and is fixedly connected to the top of the oil storage pipe 6.

[0033] Reference Figure 2 - Figure 4 A sealing gasket 5 is fixedly connected to the inner wall of the front surface of the second slide groove 13. The sealing gasket 5 is arranged at the front end of the ball 4 and is also arranged in the second slide groove 13, so that the ball 4 can be in continuous contact with the sealing gasket 5. By setting the sealing gasket 5 to be a rubber material, the sealing effect can be improved after the ball 4 contacts the sealing gasket 5, preventing the lubricating oil from flowing out when the ball 4 is not squeezed.

[0034] Reference Figure 3- Figure 4 A slide groove 11 is provided on the outer wall of the front surface of the oil storage pipe 6, and a limiting groove 12 is provided on the rear surface of the slide groove 11. The through groove 3, the second slide groove 13, the slide groove 11, and the limiting groove 12 are connected. When the ball 4 is squeezed and moved, the lubricating oil can flow out from the limiting groove 12, the slide groove 11, the slide groove 13, and the through groove 3, so that the lubricating oil can lubricate the shaft body 1 and the rocker shaft parts, thereby improving the service life of the shaft body 1. , reduce wear, the inner wall of the oil storage pipe 6 is fixedly connected with a support plate 9, the support plate 9 supports the spring 8, the inner wall of the limiting groove 12 is inserted with a limiting disk 10, and the limiting disk 10 can limit the lubricating oil after sliding to the inner wall of the limiting groove 12, so that the lubricating oil will not flow out, and the middle front surface of the limiting disk 10 is fixedly connected with a ball 4, and the ball 4 contacts the inner wall of the rear surface of the sealing gasket 5. After the ball 4 contacts the sealing gasket 5, the sealing performance can be increased to prevent the lubricating oil from flowing out. At the same time, the ball 4 moves to release the contact, and the lubricating oil can flow out.

[0035] Furthermore, the support plate 9 and the limit plate 10 are elastically connected by the spring 8. When the rocker arm part moves and squeezes the ball 4, the ball 4 moves inward to drive the limit plate 10 to move inward to squeeze the spring 8. The ball 4 moves to make the lubricating oil flow outward to lubricate the shaft body 1 and the rocker arm parts. When the squeezing of the ball 4 is released, the limit plate 10 and the ball 4 can be reset by the reverse force of the squeezing of the spring 8, so that the limit plate 10 slides into the limit groove 12 and the ball 4 and the sealing gasket are simultaneously 5 contact, at this time the lubricating oil will not flow out, the ball 4 slides on the inner wall of the second slide groove 13, the ball 4 slides on the inner wall of the first slide groove 11, the ball 4 is inserted into the inner wall of the through groove 3, the through groove 3, the ball 4, the limit plate 10, and the spring 8 are provided with multiple groups, and the multiple groups of through grooves 3, the ball 4, the limit plate 10, and the spring 8 are symmetrically arranged with the center line of the shaft body 1 as the symmetry axis. The arrangement of the multiple groups of through grooves 3, the ball 4, the limit plate 10, and the spring 8 can make the lubricating oil flow out from multiple places for lubrication, thereby improving the lubrication effect.

[0036] Working principle: When in use, when the engine is working, it drives the rocker arm parts to move. When the rocker arm parts squeeze the ball 4, the ball 4 moves inward by squeezing the ball 4, driving the limit plate 10 to move inward to squeeze the support plate 9. When the ball 4 moves, it slides out of the through groove 3 and releases the contact with the sealing gasket 5. Then, it slides on the inner wall of the second slide groove 13 to the limit groove 12. After the limit plate 10 moves inward and slides out of the limit groove 12 to release the contact with the limit groove 12, the through groove 3, the second slide groove 13, the first slide groove 11, and the limit groove 12 are connected. At this time, the lubricating oil in the oil storage pipe 6 can flow out from the limit groove 12, and is connected through the slide groove 11, the slide groove 2 13, and the through groove 3 so that the lubricating oil can flow out of the shaft body 1 and contact the rocker arm parts. At the same time, the rocker arm parts continue to rub against the shaft body 1 through movement, so that the lubricating oil can lubricate the outer wall of the shaft body 1. Therefore, each time the rocker arm parts squeeze the ball 4, the lubricating oil can continue to flow out. Therefore, through continuous lubrication, the wear of the rocker arm shaft and the multiple groups of connected rocker arm parts is reduced, thereby improving the service life and working efficiency.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rocker arm shaft capable of continuous lubrication, comprising a shaft body (1), characterized in that: The top end of the shaft body (1) is penetrated by and fixedly connected with a connecting hole (2); the left end of the inner wall of the shaft body (1) is fixedly connected with a threaded sleeve (7) and two groups are provided; the two groups of threaded sleeves (7) are symmetrically arranged with the center line of the shaft body (1) as the symmetry axis; and the outer wall of the front surface of the shaft body (1) is provided with a lubrication component; The lubrication assembly comprises a through groove (3), the through groove (3) being provided on the outer wall of the front surface of the shaft body (1), the rear surface of the through groove (3) being provided with a second slide groove (13), the inner wall of the shaft body (1) being fixedly connected with an oil storage pipe (6) near the two groups of threaded sleeves (7), and the connecting hole (2) passing through and fixedly connected to the top end of the oil storage pipe (6).

2. A rocker arm shaft capable of continuous lubrication according to claim 1, characterized in that: A sealing gasket (5) is fixedly connected to the inner wall of the front surface of the second slide groove (13).

3. The rocker arm shaft capable of continuous lubrication according to claim 1, characterized in that: The front outer wall of the oil storage pipe (6) is provided with a slide groove (11), and the rear surface of the slide groove (11) is provided with a limiting groove (12).

4. The rocker arm shaft capable of continuous lubrication according to claim 1, characterized in that: The through groove (3), the second slide groove (13), the first slide groove (11), and the limiting groove (12) are connected to each other, and the inner wall of the oil storage pipe (6) is fixedly connected to a support plate (9).

5. The rocker arm shaft capable of continuous lubrication according to claim 4, characterized in that: The inner wall of the limiting groove (12) is plugged with a limiting plate (10), the middle front surface of the limiting plate (10) is fixedly connected with a ball (4), and the ball (4) is in contact with the inner wall of the rear surface of the sealing gasket (5).

6. The rocker arm shaft capable of continuous lubrication according to claim 5, characterized in that: The support plate (9) and the limiting plate (10) are elastically connected via a spring (8), and the ball (4) slides on the inner wall of the second slide groove (13).

7. A rocker arm shaft capable of continuous lubrication according to claim 6, characterized in that: The ball (4) slides on the inner wall of the slide groove (11), and the ball (4) is inserted into the inner wall of the through groove (3).

8. The rocker arm shaft capable of continuous lubrication according to claim 7, characterized in that: The through groove (3), the round ball (4), the limit plate (10), and the spring (8) are provided in multiple groups, and the multiple groups of the through groove (3), the round ball (4), the limit plate (10), and the spring (8) are symmetrically arranged with the center line of the shaft body (1) as the symmetry axis.

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