High-wear-resistance engine rocker arm assembly
By adopting protective outer layer and spacer structure in the engine rocker arm assembly, the problem of rocker arm assembly wear after long working time is solved, improving the wear resistance and service life of the assembly, and reducing maintenance frequency.
Patent Information
- Application Number
- CN202421752487.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-23
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-23
AI Technical Summary
After long-term work, the connection between the rocker arm shaft and the rocker arm will cause irreversible wear, resulting in regular inspection and maintenance, which is time-consuming and labor-intensive.
A highly wear-resistant engine rocker arm assembly is designed, adopting a combination structure between the rocker arm shaft and the protective outer layer, and the engine oil is blocked on the surface of the protective outer layer through the spacer and the barrier outer ring, reducing friction, and using an oil filter net to prevent old oil from clogging the oil outlet.
By introducing protective outer layer and spacer structure into the rocker arm assembly, friction is reduced, wear resistance of the rocker arm is improved, engine oil leakage is reduced, the service life of the assembly is extended, and the problem of old oil is avoided.
Smart Images

Figure CN222879737U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engines, and more specifically, to a high-wear-resistant engine rocker arm assembly. Background Art
[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, electric motors, etc. For example, an internal combustion engine usually converts chemical energy into mechanical energy. An engine is applicable to both power generation devices and the entire machine including the power device. The rocker arm assembly is an important component of the engine.
[0003] After searching, the existing patent (publication number: CN104100317B) discloses a rocker arm assembly, which is installed on the cylinder head of the engine cylinder, including a rocker arm and a connecting part, wherein the connecting part includes a base fixedly connected to the cylinder head and a connecting shaft arranged on the base, and the rocker arm is pivotally connected to the connecting shaft. The rocker arm assembly has a simple structure and a high degree of integration. It can be independently applied to the cylinder head of the cylinder, is easy to install and disassemble, and effectively avoids interference between the rocker arms of each cylinder during assembly, providing reliable guarantee for the working performance of each cylinder. On this basis, the present invention also provides an engine using the rocker arm assembly. In the process of realizing the utility model, the inventor found that the prior art has the following problems:
[0004] The existing rocker arm assembly, after a long period of work, the long period of work between the rocker arm shaft and each rocker arm may cause irreversible wear on the connection between the rocker arm shaft and the rocker arm, so it is necessary to regularly inspect the rocker arm and the rocker arm shaft, which is time-consuming and laborious. Therefore, we need to design a reinforced rocker arm assembly with high wear resistance;
[0005] Therefore, in view of the above problems, a highly wear-resistant engine rocker arm assembly is proposed. Utility Model Content
[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a highly wear-resistant engine rocker arm assembly to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a highly wear-resistant engine rocker arm assembly, comprising a rocker arm shaft and a spacer, the outer wall of the rocker arm shaft is fixedly connected with a protective outer layer, the outer wall of one side of the rocker arm shaft is fixedly connected with a rocker arm flat mouth, and the rocker arm flat mouth is movably connected with a first bolt; the top surface of the spacer is movably connected with a fixing screw, and the fixing screw penetrates the spacer and is also movably connected with the rocker arm shaft and the protective outer layer; the top surface of the rocker arm shaft is provided with a screw reserved hole for the fixing screw to pass through, and the front end outer wall of the rocker arm shaft is provided with an oil outlet, and the oil outlet and the oil inlet groove are through-connected.
[0008] Preferably, an outer ring is snap-connected to the surface of the oil outlet, and an oil filter is fixedly connected to the inner wall of the outer ring.
[0009] Preferably, a clamping block is fixedly connected to the outer wall of the bottom of the outer ring, and the clamping block is in a clamping connection with the oil outlet.
[0010] Preferably, a blocking outer ring is fixedly connected to one side of the inner wall of the spacer, and a blocking inner ring is fixedly connected to the middle of the inner wall of the spacer.
[0011] Preferably, one side of the spacer is movably connected to a brake rocker arm, the other side of the brake rocker arm is movably connected to an exhaust valve rocker arm, and the other side of the exhaust valve rocker arm is movably connected to an intake valve rocker arm.
[0012] Preferably, the rocker arm flat openings are arranged in two groups and are symmetrical with the central axis of the rocker arm shaft, and a second bolt is movably penetrated and connected to the middle of the rocker arm flat opening connected to the other side of the rocker arm shaft.
[0013] Technical effects and advantages of the utility model:
[0014] Compared with the prior art, this kind of highly wear-resistant engine rocker arm assembly can pass oil through the oil inlet groove and discharge it through the oil outlet when the rocker arm assembly of the later engine is working, so that the oil is on the surface of the protective outer layer, reducing the friction between the brake rocker arm, the exhaust valve rocker arm and the intake valve rocker arm and the protective outer layer, thereby improving the wear resistance of the brake rocker arm, the exhaust valve rocker arm and the intake valve rocker arm, and at the same time, the engine oil can be blocked on the surface of the protective outer layer by the spacer ring and the blocking outer ring and the blocking inner ring, so that the brake rocker arm, the exhaust valve rocker arm and the intake valve rocker arm are prevented from leaking the engine oil when working, so that the engine oil is always on the outer wall of the protective outer layer, thereby increasing the wear resistance of the brake rocker arm, the exhaust valve rocker arm and the intake valve rocker arm to a certain extent, and at the same time, the viscous old oil generated by the long-term work of the protective outer layer can be blocked by the oil filter net to prevent the old oil from clogging the oil outlet. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1It is a schematic diagram of the overall structure of the utility model.
[0016] Figure 2 It is a schematic diagram of the rocker arm shaft connection structure of the utility model.
[0017] Figure 3 This is a schematic diagram of the oil filter connection structure of the utility model.
[0018] Figure 4 This is a schematic diagram of the protective outer layer connection structure of the utility model.
[0019] Figure 5 It is a schematic diagram of the internal structure of the spacer ring of the utility model.
[0020] The accompanying drawings are marked as follows: 1. rocker arm flat mouth; 2. rocker arm shaft; 3. protective outer layer; 4. first bolt; 5. spacer; 6. brake rocker arm; 7. exhaust valve rocker arm; 8. intake valve rocker arm; 9. second bolt; 10. oil inlet groove; 11. screw reserved hole; 12. oil outlet; 13. fixing screw; 14. barrier outer ring; 15. barrier inner ring; 16. oil filter; 17. outer ring; 18. block. DETAILED DESCRIPTION
[0021] 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.
[0022] See also Figures 1 to 5 The utility model provides a high-wear-resistant engine rocker arm assembly, including a rocker arm shaft 2 and a spacer 5, the outer wall of the rocker arm shaft 2 is fixedly connected with a protective outer layer 3, the outer wall of one side of the rocker arm shaft 2 is fixedly connected with a rocker arm flat mouth 1, and the rocker arm flat mouth 1 is movably penetrated and connected with a first bolt 4; the top surface of the spacer 5 is movably penetrated and connected with a fixing screw 13, and the fixing screw 13 penetrates the spacer 5 and is also movably penetrated and connected between the rocker arm shaft 2 and the protective outer layer 3; further, the spacer 5 can be fixed by the fixing screw 13; the top surface of the rocker arm shaft 2 is provided with a screw reserved hole 11 for the fixing screw 13 to penetrate, and the front end outer wall of the rocker arm shaft 2 is provided with an oil outlet 12, and the oil outlet 12 is through-connected with the oil inlet groove 10; further, the oil outlet 12 can be injected with engine oil through the oil inlet groove 10.
[0023] As a preferred embodiment, the surface of the oil outlet 12 is snap-connected with an outer ring 17 , and the inner wall of the outer ring 17 is fixedly connected with an oil filter 16 ; further, the surface of the protective outer layer 3 is also provided with an oil outlet 12 .
[0024] As a preferred embodiment, a clamping block 18 is fixedly connected to the bottom outer wall of the outer ring 17, and the clamping block 18 is snap-fitted to the oil outlet 12; further, the outer ring 17 can be limited by the snap-fitting between the clamping block 18 and the oil outlet 12.
[0025] As a preferred embodiment, a barrier outer ring 14 is fixedly connected to one side of the inner wall of the spacer 5, and a barrier inner ring 15 is fixedly connected to the middle of the inner wall of the spacer 5; further, the barrier inner ring 15 and the barrier outer ring 14 are both made of rubber.
[0026] As a preferred embodiment, one side of the spacer ring 5 is movably connected to the brake rocker arm 6, the other side of the brake rocker arm 6 is movably connected to the exhaust valve rocker arm 7, and the other side of the exhaust valve rocker arm 7 is movably connected to the intake valve rocker arm 8; further, the exhaust valve rocker arm 7, the other side of the exhaust valve rocker arm 7 is movably connected to the intake valve rocker arm 8 and the protective outer layer 3 are both movably connected through the exhaust valve rocker arm 7, and the number of spacers 5 is set to two groups.
[0027] As a preferred embodiment, the number of rocker arm flat openings 1 is arranged in two groups and is symmetrical with the central axis of the rocker arm shaft 2, and a second bolt 9 is movably penetrated and connected to the middle of the rocker arm flat opening 1 connected to the other side of the rocker arm shaft 2; further, a thread is arranged on the surface of the second bolt 9 which can be threadedly connected to the rocker arm flat opening 1.
[0028] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.
[0029] The working process of the utility model is as follows:
[0030] When the device is working in the later stage, the parts of the device need to be spliced and assembled before installing the device on the engine. The user first engages the oil filter 16 on the surface of the protective outer layer 3 through the block 18, and then the user fixes a group of spacers 5 through the fixing screws 13. Then the user sequentially sleeves the brake rocker arm 6, the exhaust valve rocker arm 7 and the intake valve rocker arm 8 on the surface of the protective outer layer 3. Then the user installs another group of spacers 5 on one side of the intake valve rocker arm 8 through the fixing screws 13 and fits the intake valve rocker arm 8. Then the user injects engine oil through the oil inlet groove 10 and discharges it through the oil outlet 12, so that the discharged engine oil remains in the gap between the protective outer layer 3 and the brake rocker arm 6, the exhaust valve rocker arm 7 and the intake valve rocker arm 8. Then the user fixes the rocker shaft 2 to the engine through the first bolt 4 and the second bolt 9. This is the working principle of the high wear-resistant engine wall-mounted component.
[0031] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.
Claims
1. A highly wear-resistant engine rocker arm assembly, comprising a rocker arm shaft and a spacer, characterized in that: The outer wall of the rocker shaft is fixedly connected with a protective outer layer, and one side outer wall of the rocker shaft is fixedly connected with a rocker flat mouth, and the rocker flat mouth is movably connected with a first bolt; the top surface of the spacer is movably connected with a fixing screw, and the fixing screw penetrates the spacer and is movably connected with the rocker shaft and the protective outer layer; the top surface of the rocker shaft is provided with a screw reserved hole for the fixing screw to penetrate, and the front end outer wall of the rocker shaft is provided with an oil outlet, and the oil outlet and the oil inlet groove are through-connected.
2. A highly wear-resistant engine rocker arm assembly according to claim 1, characterized in that: An outer ring is snap-connected to the surface of the oil outlet, and an oil filter is fixedly connected to the inner wall of the outer ring.
3. A highly wear-resistant engine rocker arm assembly according to claim 2, characterized in that: A clamping block is fixedly connected to the outer wall of the bottom of the outer ring, and the clamping block is clamped to the oil outlet.
4. A highly wear-resistant engine rocker arm assembly according to claim 1, characterized in that: A blocking outer ring is fixedly connected to one side of the inner wall of the spacer, and a blocking inner ring is fixedly connected to the middle of the inner wall of the spacer.
5. A highly wear-resistant engine rocker arm assembly according to claim 4, characterized in that: One side of the spacer is movably connected to a brake rocker arm, the other side of the brake rocker arm is movably connected to an exhaust valve rocker arm, and the other side of the exhaust valve rocker arm is movably connected to an intake valve rocker arm.
6. A highly wear-resistant engine rocker arm assembly according to claim 1, characterized in that: The rocker arm flat openings are arranged in two groups and are symmetrical with the central axis of the rocker arm shaft. A second bolt is movably penetrated and connected to the middle of the rocker arm flat opening connected to the other side of the rocker arm shaft.
Citation Information
Patent Citations
Engine and rocker arm assembly
CN104100317B