An oil filling structure

Abstract

The utility model belongs to the technical field of engineering machinery, concretely relates to an oil filling structure, which comprises an obliquely arranged bottom plate and a supporting plate, the bottom plate is fixed to the top of the left baffle of a bonnet, and the supporting plate is obliquely arranged towards an engine; the supporting plate is provided with an oil filling pipe, the oil filling pipe is sleeved with a rubber tube at the end, the rubber tube is provided with an oil filling pipe at the end, a rib plate is fixedly arranged between the bottom plate and the supporting plate, a pipe clamp is fixedly installed on one side of the rib plate, and an oil scale is arranged in the pipe clamp, so that the action of filling oil and inserting and pulling the oil scale becomes relaxed without the need of awkwardly reaching into the cabin or stretching the arm.

Description

Technical Field

[0001] This utility model belongs to the field of engineering machinery technology, and in particular relates to an oil filling structure. Background Technology

[0002] The statements in this section are merely background information relating to this disclosure and do not necessarily constitute prior art.

[0003] In the field of construction machinery, equipment such as wheel loaders and excavators typically rely on diesel engines for power. To ensure the normal and reliable operation of these engines, regularly checking the engine oil level and promptly replenishing or changing the oil are crucial maintenance procedures.

[0004] In traditional vehicle layout designs, the engine oil filler cap and dipstick are typically located directly on the engine block. Operators can easily open the hood, and the filler cap is near the left side panel, which is relatively low. This allows maintenance personnel to directly access the filler cap on top of the engine to add oil and easily insert or remove the dipstick to check the oil level.

[0005] However, in order to meet requirements such as appearance, noise reduction, and protection, the engine compartment of construction machinery products is becoming increasingly sealed, and the height of the left side plate of the refueling port is increasing accordingly. In the specific loader model involved in this application, there is a significant technical contradiction: The loader's maintenance access is limited. This particular model uses an electric push rod to lift the entire hood backward. Although the rear of the hood can be opened, the side panel or guard plate fixed to the left side of the frame cannot be opened or removed individually. In order to meet the sealing requirements of the engine compartment, the height of the left side panel has increased compared to before. The filler port is completely blocked by the left side panel, which creates a "maintenance dead corner" on the left side of the engine. Maintenance personnel need to reach over the left side panel and extend their arm to align the oil can with the filler port inside the left side panel to add oil or insert and remove the dipstick. The increased height of the loader's left side panel makes it inconvenient to add oil and insert and remove the dipstick. Utility Model Content

[0006] In order to solve the above problems, this utility model proposes an oil filling structure. This utility model aims to solve the technical problem that the excessively high left baffle of the existing loader makes it inconvenient to add oil and insert / remove the dipstick.

[0007] According to some embodiments, the present invention adopts the following technical solution: This application discloses an oil filling structure, including an inclined base plate and a support plate, with an inclination angle of 20 degrees between the base plate and the support plate. The base plate is fixed to the left baffle of the engine hood, and the support plate is inclined toward the engine. The support frame formed by the base plate and the support plate moves the filling port, which was originally located in a closed dead corner, to the open space at the top of the left baffle, thereby solving the fundamental operational problem caused by the increased sealing of the engine compartment. The support plate is provided with an oil filling pipe, and the end of the oil filling pipe is sleeved with a rubber hose. The end of the rubber hose is installed with the starting end of the oil filling pipe. A rib is fixedly installed between the base plate and the support plate, and a pipe clamp is fixedly installed on one side of the rib, with an oil dipstick inside the pipe clamp.

[0008] A further feature is that the support plate has an installation hole, and an oil filling pipe is installed inside the installation hole. By installing the oil filling pipe through an installation hole of a specific size on the support plate, precise centering and efficient positioning are achieved during the installation process.

[0009] A further configuration is provided whereby an oil filling pipe is fixedly mounted on an installation plate, the installation plate having several first circular holes, and a support plate having second circular holes corresponding to the first circular holes. A first bolt passes through the first and second circular holes and is tightened with a nut to fix the oil filling pipe to the support plate. This detachable fixing method, which connects the installation plate and the bolt, provides extremely high maintenance convenience.

[0010] A further feature is that the oil filling port is provided at the end of the oil filling pipe far from the engine. The final position of the filling port is precisely defined in an ideal operating range that is within easy reach of maintenance personnel. This ensures that users can comfortably and naturally perform oil filling operations without any additional bending, leaning, or twisting postures, directly achieving the goal of reducing labor intensity.

[0011] A further configuration involves fixing a column to one side of the rib plate, the column having an internal threaded hole, a washer fixedly installed on the side wall of the pipe clamp, the washer having a third circular hole, and a screw passing through the internal threaded hole and the third circular hole and tightened by a nut to fix the washer to the column. Through the cooperation of the column with the internal threaded hole, the washer and the screw, a firm and adjustable fastening solution is achieved.

[0012] Further configured, the base plate is provided with several fourth circular holes, and the second bolt passes through the fourth circular holes to fix the base plate to the left platform bracket. The entire bracket assembly is firmly installed on the left platform bracket of the vehicle frame through the fourth circular holes and the second bolt on the base plate.

[0013] A further configuration is that the length of the base plate is greater than the length of the support plate. This design, which makes the length of the base plate greater than the length of the support plate, essentially expands the contact area and connection range between the entire bracket and the top of the left baffle of the machine cover.

[0014] A further configuration is that the base plate and the support plate are integrally formed, and the base plate and the support plate form a fixed bracket. The fixed bracket has a bending angle at the bend of the base plate and the support plate, and the bending angle has a transition arc. The ribs are arranged in pairs on both sides of the fixed bracket. The base plate and the support plate are integrally formed to form a fixed bracket, and the bracket is formed by bending angle and transition arc. This is an important structural optimization.

[0015] The oil filling pipe is further configured such that its central axis is perpendicular to the upper surface of the mounting plate. This means that when the mounting plate is horizontally fixed, the filling pipe will remain vertical, ensuring that the oil filling port faces upwards. This facilitates connection to oil drums or refueling equipment, prevents oil spillage during filling, and avoids foreign objects and dust from falling directly into the pipe due to gravity during non-filling periods. It combines ease of operation with dustproof sealing.

[0016] A further configuration involves the oil filling hose being housed within the rubber hose, with a clamp installed at the overlapping section of the rubber hose and the oil filling hose. The clamp is mounted on the outside of the rubber hose, and the starting end of the oil filling hose is housed within the rubber hose. The clamp at the overlapping section of the rubber hose and the starting end of the oil filling hose is crucial for ensuring reliable connection. It provides uniform radial clamping force, ensuring a secure and sealed connection between the rubber hose, the filling hose, and its starting end, effectively preventing leakage or detachment of high-pressure, high-temperature oil at this location.

[0017] The beneficial effects of this utility model are as follows: This invention, through the installation of a support frame, remotely guides the oil filler neck and oil dipstick to an easily accessible area outside the engine compartment via a filler tube and clamp. This allows maintenance personnel to perform oil filling and oil level checks directly from the outside without having to cross or disassemble the tall left-side panel. This completely eliminates the "maintenance blind spots" caused by the increased sealing of the engine compartment, greatly improving the convenience of maintenance operations. The oil filler neck is repositioned to an easily accessible location, allowing maintenance personnel to operate upright without having to awkwardly lean into the engine compartment or stretch their arms. This makes the actions of filling oil and inserting / removing the oil dipstick less strenuous, significantly reducing the labor intensity of operators, shortening maintenance time, and improving maintenance efficiency. Attached Figure Description

[0018] The accompanying drawings, which form part of this specification, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0019] Figure 1This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 This is a schematic diagram of the installation structure of this utility model with the engine and the left baffle.

[0021] Explanation of reference numerals in the attached figures: 1. Base plate; 2. Support plate; 3. Oil filler hose; 4. Rubber hose; 5. Engine end of oil filler hose; 6. Rib plate; 7. Pipe clamp; 8. Oil dipstick; 9. Mounting plate; 10. Oil filler port; 11. Column; 12. Clamp; 13. First bolt; 14. Nut; 15. Screw; 16. Second bolt; 17. Fixing bracket; 18. Bend angle; 19. Transition arc; 20. First round hole; 21. Second round hole; 22. Internal threaded hole; 23. Gasket; 24. Third round hole; 25. Fourth round hole; 26. Engine; 27. Left baffle; 29. ​​Support bracket; 30. Mounting round hole. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0024] Example 1 An oil filling structure, as shown in the figure Figure 1 and Figure 2 It includes an inclined base plate 1 and a support plate 2. The base plate 1 is fixed to the top of the left baffle 27 of the engine hood, and the support plate 2 is inclined toward the engine 26. The support plate 2 is through which the oil filling pipe 3 is installed. The end of the oil filling pipe 3 is connected to the rubber hose 4. The engine end 5 of the oil filling pipe 4 is installed at the end of the rubber hose 4. A rib plate 6 is fixedly installed between the base plate 1 and the support plate 2. A pipe clamp 7 is fixedly installed on one side of the rib plate 6, and an oil dipstick 8 is installed inside the pipe clamp 7. The inclined base plate 1 and support plate 2 form a stable and ergonomic mounting base with an inclination angle of 20 degrees, designed to accurately guide the filling port to the area outside the compartment most easily accessible to maintenance personnel. The addition of the rib plate 6 significantly enhances the rigidity and vibration resistance of the overall structure, ensuring that the filling port position remains stable and reliable even under severe vibration conditions of the engine 26. Through the combination of the oil filling pipe 3 and the hose 4, the filling port function of the engine 26 body is successfully "remotely" and "extended," fundamentally breaking the physical isolation caused by the tall baffle on the left side. The design of fixing the oil dipstick 8 to the pipe clamp 7 also moves the frequent operation of checking the oil level to the outside of the compartment, realizing the centralized arrangement of filling and checking functions. In summary, the core effect of this solution is the physical reconstruction of the maintenance access, which moves the operation points that were originally located in a closed dead corner to an open space, thereby solving the fundamental operational problems caused by the increased enclosure of the cabin.

[0025] The support plate 2 has a mounting hole 30, and the oil filling pipe 3 is installed inside the mounting hole 30. By installing the oil filling pipe 3 through a mounting hole of a specific size on the support plate 2, precise centering and efficient positioning are achieved during the installation process. This structure not only simplifies the assembly process and ensures the accuracy of the filling pipe's posture, making its opening direction easy to operate, but also allows the circular hole structure to better fit the outer wall of the filling pipe 3, reducing shaking caused by gaps, improving the stability and sealing of the installation, and avoiding potential leakage risks.

[0026] The oil filler hose 3 is fixedly mounted on a mounting plate 9. The mounting plate 9 has several first circular holes 20. A support plate 2 has corresponding second circular holes 21. A first bolt 13 passes through the first circular holes 20 and the second circular holes 21, and is tightened with a nut 14 to fix the oil filler hose 3 to the support plate 2. This detachable fixing method, using the mounting plate 9 and bolts, provides extremely high maintenance convenience. This design allows maintenance personnel to quickly remove or install the oil filler hose 3 assembly from the support plate 2 using ordinary tools, greatly facilitating subsequent maintenance operations such as replacement and cleaning of the filler hose 3 or hose 4. It avoids the irreversibility and maintenance difficulties associated with permanent fixing methods such as welding, reflecting a modular design and easy-to-maintain design philosophy.

[0027] An oil filler port 10 is provided at one end of the oil filler pipe 3, which is far from the engine 26. The oil filler port 10 is clearly located at the far end of the filler pipe (i.e., the end outside the engine compartment). This is the most direct and crucial feature for achieving the "remote" and "easy-to-operate" functions. It precisely defines the final position of the filler port within an ideal operating range that is easily accessible to maintenance personnel, ensuring that users can comfortably and naturally perform oil filling operations without any additional bending, leaning, or twisting postures, directly achieving the goal of reducing labor intensity.

[0028] A column 11 is fixedly mounted on one side of the rib plate 6. The column 11 has an internally threaded hole 22. The column 11 and the internally threaded hole 22 form an M8 threaded seat with a height of 20mm. A washer 23 is fixedly mounted on the side wall of the pipe clamp 7. The washer 23 has a third circular hole 24. A screw 15 passes through the internally threaded hole 22 and the third circular hole 24 and is tightened by a nut 14 to fix the washer 23 to the column 11. Through the cooperation of the column 11 with the internally threaded hole 22, the washer 23, and the screw 15, a firm and adjustable fastening solution is achieved. This connection method can provide uniform and sufficient clamping force to ensure that the oil dipstick 8 will not loosen or make abnormal noise during vehicle driving and engine vibration 26. At the same time, its compact structure will not interfere with surrounding components and has high reliability.

[0029] The base plate 1 has several fourth circular holes 25. Three second bolts 16, each M12 bolt, pass through these holes 25 to secure the base plate 1 to the left platform bracket. Through the fourth circular holes 25 and the second bolts 16, the entire bracket assembly is firmly installed on the left platform bracket of the vehicle frame. This installation method utilizes the existing robust components on the vehicle frame as a foundation, ensuring the strength and stability of the mounting base. This allows the entire remote refueling structure to withstand external forces during operation and long-term vibration loads, preventing functional failures or safety hazards caused by bracket loosening.

[0030] The base plate 1 is longer than the support plate 2. This design, where the base plate 1 is longer than the support plate 2, increases the contact area and connection range between the entire bracket and the top of the left baffle 27 of the hood. This significantly improves the stability of the bracket on the mounting plane and enhances its resistance to torsion and overturning. Like a wider base, it ensures that the filling port at the end of the support plate 2 will not experience significant displacement or shaking when subjected to forces in different directions.

[0031] The base plate 1 and support plate 2 are integrally formed, creating a fixed bracket 17. The fixed bracket 17 has a bending angle 18 at the bend between the base plate 1 and support plate 2, with a transition arc 19 at the bending angle 18. Ribs 6 are paired and arranged on both sides of the fixed bracket 17. Integrating the base plate 1 and support plate 2 into a fixed bracket 17, and shaping it with the bending angle 18 and transition arc 19, is a significant structural optimization. This integrated structure avoids the strength weaknesses and assembly errors that may exist with welding or bolting multiple parts, resulting in higher overall structural strength and rigidity. The transition arc 19 effectively eliminates stress concentration, greatly improving the fatigue resistance of the bracket under long-term vibration and extending its service life. The paired ribs 6 further strengthen this integrated structure from both sides.

[0032] The central axis of the oil filling pipe 3 is perpendicular to the upper surface of the mounting plate 9. This perpendicularity means that when the mounting plate 9 is horizontally fixed, the filling pipe will remain vertical. This design ensures that the oil filling port 10 faces upwards, facilitating connection to oil containers or refueling equipment, preventing oil spillage during filling, and preventing foreign objects and dust from falling directly into the pipe due to gravity during non-filling periods. It combines ease of operation with dustproof sealing.

[0033] The oil filler hose 3 is housed inside the hose 4. A clamp 12 is installed at the overlapping section of the hose 4 and the oil filler hose 3, with the clamp 12 located on the outside of the hose 4. The starting end 5 of the oil filler hose is also housed inside the hose 4, with a clamp 12 again at the overlapping section. The use of the hose 4 provides the necessary flexibility and adaptability to compensate for any slight relative displacement that may exist between the engine 26 and the bracket. The clamp 12 at the overlapping section is crucial for ensuring reliable connection; it provides uniform radial clamping force, ensuring a secure and sealed connection between the hose 4, the filler hose, and its starting end. This effectively prevents leakage or detachment of high-pressure, high-temperature oil at this point, guaranteeing the overall sealing integrity of the remote filling channel.

[0034] The installation process is as follows: The oil filler port 10 is fitted onto the fixed bracket 17 and fixed with bolts, and adjusted to face backward. One side of the hose 4 is connected to the filler pipe on the cylinder block side of the engine 26, and the other side is connected to the oil filler port 10 side and fixed with clamp 12. One side of the oil dipstick 8 is inserted into the cylinder block side and fixed with a clip. The other side is fixed to the threaded seat (column 11) of the fixed bracket 17 with a pipe clamp 7 and adjusted to face upward. When the engine cover is raised backward, it is convenient to add oil and insert and remove the oil dipstick above the left baffle 27 of the engine cover.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

[0036] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.

Claims

1. An oil filling structure, characterized in that, It includes an inclined base plate and a support plate, the base plate being fixed to the top of the left baffle of the engine hood, and the support plate being inclined toward the engine; The support plate is provided with an oil filling pipe, and the end of the oil filling pipe is sleeved with a rubber hose. The end of the rubber hose is installed with the starting end of the oil filling pipe. A rib is fixedly installed between the base plate and the support plate, and a pipe clamp is fixedly installed on one side of the rib, with an oil dipstick inside the pipe clamp.

2. The oil filling structure as described in claim 1, characterized in that, The support plate has a mounting hole, and an oil filling pipe is installed in the mounting hole.

3. The oil filling structure as described in claim 1, characterized in that, The oil filling pipe is fixedly mounted on an installation plate. The installation plate has several first circular holes, and the support plate has second circular holes corresponding to the first circular holes. The first bolt passes through the first and second circular holes and is tightened by a nut to fix the oil filling pipe to the support plate.

4. The oil filling structure as described in claim 1, characterized in that, An oil filling port is provided at the end of the oil filling pipe that is far from the engine.

5. The oil filling structure as described in claim 1, characterized in that, A column is fixedly installed on one side of the rib plate. The column has an internal threaded hole. A gasket is fixedly installed on the side wall of the pipe clamp. The gasket has a third circular hole. A screw passes through the internal threaded hole and the third circular hole and is tightened by a nut to fix the gasket to the column.

6. The oil filling structure as described in claim 1, characterized in that, The base plate has several fourth circular holes, and the second bolt passes through the fourth circular holes to fix the base plate to the left platform support.

7. The oil filling structure as described in claim 1, characterized in that, The length of the base plate is greater than the length of the support plate.

8. The oil filling structure as described in claim 1, characterized in that, The base plate and the support plate are integrally formed to form a fixed bracket. The fixed bracket has a bending angle at the bend of the base plate and the support plate, and the bending angle has a transition arc. The ribs are arranged in pairs on both sides of the fixed bracket.

9. The oil filling structure as described in claim 1, characterized in that, The central axis of the oil filling pipe is set perpendicular to the upper surface of the mounting plate.

10. The oil filling structure as described in claim 1, characterized in that, The oil filling hose is located inside the rubber hose. A clamp is provided at the overlapping section of the rubber hose and the oil filling hose. The clamp is installed on the outside of the rubber hose. The starting end of the oil filling hose is located inside the rubber hose. The starting end of the oil filling hose is located at the overlapping section of the rubber hose and the starting end of the oil filling hose. A clamp is provided at the overlapping section of the starting end of the oil filling hose and the rubber hose.

Images