Engine overhead mechanism adjustment tool

Abstract

The utility model relates to a kind of engine overhead mechanism adjusting tool, including adapter joint, intake valve gap plug gauge and exhaust valve gap plug gauge, wherein: adapter joint is round tube structure, the center is equipped with circular through-hole, top end is equipped with outer hexagonal convex structure, and end is equipped with inner hexagonal hole;Intake valve gap plug gauge is L-shaped plug gauge, for adjusting intake valve gap under the cooperation of adapter joint;Exhaust valve gap plug gauge is L-shaped plug gauge, for adjusting exhaust valve gap under the cooperation of adapter joint.The utility model saves cost;Realize the adjustment of overhead mechanism without disassembling engine rocker arm chamber, simplify operation process.

Description

Technical Field

[0001] This utility model relates to the field of engine technology, and specifically to an engine overhead mechanism adjustment tool. Background Technology

[0002] The cylinder head and rocker arm chamber of the Dongfeng Cummins B6.2 FE and D7.0 engines are arranged in a relatively compact manner, making it impossible to adjust the overhead mechanism using a common feeler gauge without disassembling the rocker arm chamber. Utility Model Content

[0003] This utility model addresses the above-mentioned problems by providing an engine overhead mechanism adjustment tool, which aims to save costs and enable the adjustment of the overhead mechanism without disassembling the engine rocker arm chamber, thus simplifying the operation process.

[0004] To solve the above problems, the technical solution provided by this utility model is as follows: An engine overhead mechanism adjustment tool includes an adapter connector, an intake valve clearance gauge, and an exhaust valve clearance gauge, wherein: The adapter connector is a cylindrical structure with a circular through hole in the center, an external hexagonal protrusion at the top, and an internal hexagonal hole at the end; the intake valve clearance gauge is an L-shaped gauge, used to adjust the intake valve clearance with the cooperation of the adapter connector; the exhaust valve clearance gauge is an L-shaped gauge, used to adjust the exhaust valve clearance with the cooperation of the adapter connector.

[0005] Preferably, the adapter connector is 65mm high and the lower end is a cylinder with a diameter of Ø19mm.

[0006] Preferably, the outer hexagonal protrusion is an outer hexagon with a side length of 22mm and a thickness of 10mm; the circular through hole is a through hole with a diameter of Ø10.5mm; and the inner hexagonal hole is an inner hexagonal hole with a depth of 12mm and a side length of 14.4mm.

[0007] Preferably, the L-shaped bottom edge of the intake valve clearance gauge is 20mm long and the thickness is 0.30mm.

[0008] Preferably, the L-shaped bottom edge of the exhaust valve gap gauge is 20mm long and the thickness is 0.51mm.

[0009] Preferably, the engine overhead mechanism adjustment tool is applicable to Dongfeng Cummins B6.2 FE and D7.0 engines.

[0010] Preferably, the adapter connector is made of 45 steel with a hardness of HRC35~HRC38, and the surface of the parts is bluing treated.

[0011] Preferably, the feeler gauge plates of the intake valve clearance feeler gauge and the exhaust valve clearance feeler gauge are made of 65 manganese material, and the handles are made of aluminum material, and are riveted together; the hardness of the intake valve clearance feeler gauge and the exhaust valve clearance feeler gauge is HRC55~HRC60.

[0012] Compared with the prior art, this utility model has the following advantages: 1. The tool of this utility model has a simple structure and low manufacturing cost.

[0013] 2. This utility model can achieve the adjustment of the top-mounted mechanism without disassembling the engine rocker arm chamber, which is convenient, quick and easy and simplifies the operation process. Attached Figure Description

[0014] Figure 1 This is a perspective view of the engine overhead mechanism adjustment tool according to a specific embodiment of the present utility model; Figure 2 This is a cross-sectional schematic diagram of the adapter connector according to a specific embodiment of the present utility model; Figure 3 This is a top view schematic diagram of the adapter connector according to a specific embodiment of the present utility model; Figure 4 This is a bottom view schematic diagram of the adapter connector according to a specific embodiment of this utility model.

[0015] Among them: 1. Adapter connector, 2. Intake valve clearance feeler gauge, 3. Exhaust valve clearance feeler gauge, 1a. Circular through hole, 1b. External hexagonal protrusion structure, 1c. Internal hexagonal hole Detailed Implementation

[0016] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention. After reading the present invention, any modifications of the present invention in various equivalent forms by those skilled in the art will fall within the scope defined by the appended claims.

[0017] This utility model application claims protection for an engine overhead mechanism adjustment tool, such as... Figure 1 , 2 As shown in Figures 3 and 4, the device includes an adapter connector 1, an intake valve clearance gauge 2, and an exhaust valve clearance gauge 3, wherein: The adapter connector 1 is a round tube structure with a circular through hole 1a at the center, an external hexagonal protrusion 1b at the top, and an internal hexagonal hole 1c at the end; the intake valve clearance gauge 2 is an L-shaped gauge used to adjust the intake valve clearance with the cooperation of the adapter connector 1; the exhaust valve clearance gauge 3 is an L-shaped gauge used to adjust the exhaust valve clearance with the cooperation of the adapter connector 1.

[0018] In this specific embodiment, the adapter connector 1 is 65mm high and the lower end is a cylinder with a diameter of Ø19mm.

[0019] In this specific embodiment, the outer hexagonal protrusion 1b is an outer hexagon with a side length of 22mm and a thickness of 10mm; the circular through hole 1a is a through hole with a diameter of Ø10.5mm; and the inner hexagonal hole 1c is an inner hexagonal hole with a depth of 12mm and a side length of 14.4mm.

[0020] In this specific embodiment, the L-shaped bottom edge of the intake valve clearance gauge 2 is 20mm long and the thickness is 0.30mm.

[0021] In this specific embodiment, the L-shaped bottom edge of the exhaust valve clearance gauge 3 is 20mm long and the thickness is 0.51mm.

[0022] In this specific embodiment, the adapter connector 1 is made of 45 steel with a hardness of HRC35~HRC38, and the surface of the part is bluing treated.

[0023] In this specific embodiment, the feeler gauges of the intake valve clearance feeler gauge 2 and the exhaust valve clearance feeler gauge 3 are made of 65 manganese material, and the handles are made of aluminum material, and are riveted together with rivets; the hardness of the intake valve clearance feeler gauge 2 and the exhaust valve clearance feeler gauge 3 is HRC55~HRC60.

[0024] It should be noted that this engine overhead mechanism adjustment tool is applicable to Dongfeng Cummins B6.2 FE and D7.0 engines, and can achieve the adjustment of the overhead mechanism without disassembling the rocker arm chamber of the B6.2 FE and D7.0 engines.

[0025] It should be noted that when using this engine overhead mechanism adjustment tool, first loosen the rocker arm adjusting nut, install the bottom end of adapter connector 1 on the rocker arm adjusting nut, and use a 22mm wrench to fix the external hexagonal protrusion 1b at the top of adapter connector 1; insert the bottom measuring ends of the intake valve clearance gauge 2 and exhaust valve clearance gauge 3 between the rocker arm foot and the bridging plate; then insert the Allen wrench through the circular through hole 1a in the center of adapter connector 1 into the center of the rocker arm adjusting nut to adjust the valve clearance. Fix the Allen wrench, and use a 22mm wrench to tighten the rocker arm adjusting nut to complete the valve clearance adjustment.

[0026] In the above detailed description, various features are combined together in a single embodiment to simplify this disclosure. This approach to disclosure should not be construed as reflecting an intention that embodiments of the claimed subject matter require more features than are explicitly stated in each claim. Rather, as reflected in the appended claims, the invention is presented with fewer features than all of the features in a single disclosed embodiment. Therefore, the appended claims are hereby explicitly incorporated into the detailed description, with each claim representing a separate preferred embodiment of the invention.

[0027] The disclosed embodiments have been described above to enable any person skilled in the art to implement or use this invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit and scope of this disclosure. Therefore, this disclosure is not limited to the embodiments given herein, but is consistent with the widest scope of the principles and novel features disclosed in this application.

[0028] The foregoing description includes examples of one or more embodiments. It is certainly impossible to describe all possible combinations of components or methods in order to describe the above embodiments, but those skilled in the art will recognize that further combinations and arrangements of the various embodiments are possible. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. Furthermore, the term "comprising" as used in the specification or claims is interpreted in a manner similar to the term "including," as interpreted when used as a conjunction in the claims. Additionally, the use of any term "or" in the specification of the claims is intended to mean "non-exclusive or."

[0029] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. An adjustment tool for an engine overhead mechanism, characterized in that: Includes an adapter connector (1), an intake valve clearance gauge (2), and an exhaust valve clearance gauge (3), wherein: The adapter connector (1) is a round tube structure with a circular through hole (1a) at the center, an external hexagonal protrusion (1b) at the top, and an internal hexagonal hole (1c) at the end; the intake valve clearance gauge (2) is an L-shaped gauge used to adjust the intake valve clearance with the cooperation of the adapter connector (1); the exhaust valve clearance gauge (3) is an L-shaped gauge used to adjust the exhaust valve clearance with the cooperation of the adapter connector (1).

2. The engine overhead mechanism adjustment tool according to claim 1, characterized in that: The adapter connector (1) is 65mm high and has a cylindrical shape with a bottom diameter of Ø19mm.

3. The engine overhead mechanism adjustment tool according to claim 2, characterized in that: The external hexagonal protrusion (1b) is an external hexagon with a side length of 22mm and a thickness of 10mm; the circular through hole (1a) is a through hole with a diameter of Ø10.5mm; the internal hexagonal hole (1c) is an internal hexagonal hole with a depth of 12mm and a side length of 14.4mm.

4. The engine overhead mechanism adjustment tool according to claim 3, characterized in that: The L-shaped bottom edge of the intake valve clearance gauge (2) is 20mm long and 0.30mm thick.

5. The engine overhead mechanism adjustment tool according to claim 4, characterized in that: The L-shaped bottom edge of the exhaust valve clearance gauge (3) is 20mm long and 0.51mm thick.

6. The engine overhead mechanism adjustment tool according to claim 5, characterized in that: The engine overhead mechanism adjustment tool is applicable to Dongfeng Cummins B6.2 FE and D7.0 engines.

7. The engine overhead mechanism adjustment tool according to claim 6, characterized in that: The adapter connector (1) is made of No. 45 steel with a hardness of HRC35~HRC38 and the surface of the parts is bluing.

8. The engine overhead mechanism adjustment tool according to claim 7, characterized in that: The feeler gauges of the intake valve clearance feeler gauge (2) and the exhaust valve clearance feeler gauge (3) are made of 65 manganese material and the handles are made of aluminum material, and are riveted together with rivets; the hardness of the intake valve clearance feeler gauge (2) and the exhaust valve clearance feeler gauge (3) is HRC55~HRC60.

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