Splash guard for hydraulic transmission oil of a shovel loader

Abstract

This utility model discloses a splash-proof device for hydraulic transmission oil in a loader, relating to the field of hydraulic transmission technology for loaders. It includes an oil tank with two symmetrically fitted, sealed covers on its sides. Two locking grooves are symmetrically formed on the adjacent sides of the covers, each containing a nut for easy tightening. The sealed covers prevent splashing of the hydraulic transmission oil. This utility model, through the sealed covers, rotating covers, and oil outlet pipe, prevents splashing and directs the oil to a collection frame, avoiding direct skin contact with the oil and reducing discomfort such as redness, itching, and pain, thus lowering the risk of skin allergies and damage. The oil outlet pipe directs the oil to the collection frame; the operator only needs to loosen the nut for the oil to automatically flow into the collection frame, simplifying the operation and improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic transmission technology for scrapers, and in particular to a splash prevention device for hydraulic transmission oil in scrapers. Background Technology

[0002] In the routine maintenance of loaders, changing the hydraulic transmission oil is a crucial step in ensuring the normal operation of the equipment and extending its service life. Hydraulic transmission oil occupies a central and pivotal position in the hydraulic transmission system of a loader, serving as an indispensable working medium for the efficient operation of the entire system. Its performance is like a key gear in precision machinery, directly and closely related to transmission efficiency, system stability, and the overall service life of the equipment.

[0003] During current hydraulic transmission oil changes, the oil is manually drained by operators, which can cause oil to splatter. Hydraulic transmission oil typically contains various chemical additives, such as antioxidants and anti-wear agents. When this oil splashes onto the operator's skin, these chemicals can irritate the skin, causing redness, itching, pain, and other discomfort. Furthermore, the splashed oil adheres to the loader's outer casing, engine compartment, chassis, and other parts, making the equipment surface greasy and dirty. This not only affects the equipment's appearance but may also accelerate corrosion and aging.

[0004] To address the issue of oil splashing during the draining process, a blocking device is installed on the outside of the drain valve. This device prevents oil from splashing during hydraulic transmission oil draining. The blocking device effectively intercepts splashed oil, preventing it from directly contacting the operator's skin and reducing the likelihood of skin irritation and allergies caused by chemical additives in the hydraulic transmission oil, thus protecting the operator's skin health. Furthermore, the blocking device reduces the formation and diffusion of oil mist, lowering the probability of the operator inhaling oil mist.

[0005] However, in the existing hydraulic transmission oil draining process, the blocking device may slip due to the lubrication effect of the oil. The main function of the blocking device is to prevent oil splashing. If it slips, it will not be able to effectively intercept the splashed oil, causing the oil to splash onto the surrounding environment or operators, thus losing its due protective function. Utility Model Content

[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a splash prevention device for hydraulic transmission oil of a loader, which solves the problem of oil splashing during the discharge of hydraulic transmission oil.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A splash-proof device for hydraulic transmission oil in a loader includes an oil tank. Two sealing covers are provided on the side of the oil tank and are symmetrically fitted together. Two locking grooves are symmetrically formed on the side of each sealing cover that is close to the other. Nuts are installed inside the locking grooves. The locking grooves facilitate the tightening of the nuts, and the sealing covers prevent the hydraulic transmission oil from splashing. The fit between the locking grooves and the nuts prevents the sealing covers from slipping at the nuts during use.

[0009] As a further improvement of this utility model, two hexagonal grooves are symmetrically formed on the outer surface of the sealing cover, and two hinges are fixedly connected to the sides of the two sealing covers. A rotating groove is formed on the side of the sealing cover away from the oil tank, and a rotating ring is slidably connected inside the rotating groove. The rotating connection between the rotating groove and the rotating ring ensures that the rotation of the sealing cover does not affect the position of the rotating cover, thereby ensuring that oil is discharged in the same direction along the oil outlet pipe.

[0010] As a further improvement of this utility model, a rotating cover is fixedly connected to the side of the rotating ring away from the sealing cover, and an oil outlet pipe is fixedly connected to the bottom end of the rotating cover. Two fitting grooves are symmetrically formed inside the sealing cover on the side near the oil tank, and two insertion holes are symmetrically formed on the side of the rotating cover away from the sealing cover. The oil outlet pipe allows for continuous discharge of hydraulic transmission oil.

[0011] As a further improvement of this utility model, an oil inlet pipe is fixedly connected to the top of the oil tank, and an inlet plug is threadedly connected to the end of the oil inlet pipe away from the oil tank. A threaded groove is provided near the sealing cover of the oil tank, and the shape of the threaded groove fits the fitting groove. The fit between the threaded groove and the fitting groove will prevent oil leakage during the oil draining process.

[0012] As a further improvement of this utility model, a threaded tube is internally threaded into the threaded groove. A filter body is fixedly connected to the threaded tube near the inside of the oil tank. A bidirectional threaded connector is internally threaded into the threaded tube away from the threaded groove. The nut is threaded onto the bidirectional threaded connector on the side away from the threaded tube. This design of the filter body ensures that the hydraulic transmission oil is filtered during oil discharge.

[0013] As a further improvement of this utility model, an oil supply pipe is rotatably connected to the side of the nut away from the bidirectional threaded connector. Two locking blocks are symmetrically fixed to the outer surface of the oil supply pipe, and the positions of the two locking blocks correspond to the two insertion holes. Through the locking blocks and insertion holes, the position of the rotating cover will not change when the cover is rotated.

[0014] Compared with the prior art, the advantages of this utility model are as follows:

[0015] 1. By using a sealing cap, a rotating cap, and an oil outlet pipe, two sealing caps cover the threaded groove, threaded pipe, two-way threaded connector, and nut. This prevents hydraulic transmission oil from splashing out when the nut is rotated, moving the oil outlet pipe away from the two-way threaded connector. The hydraulic transmission oil will then flow through the oil outlet pipe into a pre-prepared waste oil collection box. Preventing splashing and guiding the oil to the collection box avoids direct skin contact with the oil, reducing discomfort such as redness, itching, and pain, and lowering the risk of skin allergies and damage. Furthermore, traditional oil draining methods require manual control of the draining process and constant attention to prevent splashing, which is cumbersome and inefficient. Using the oil outlet pipe to guide the oil to the collection box simplifies the process; the operator only needs to open the nut, and the oil will automatically flow into the collection box, improving operational efficiency. Splashed oil can also adhere to the loader's casing, engine compartment, chassis, etc., making the equipment surface greasy and dirty, accelerating corrosion and aging. Guiding the oil to the collection box avoids these problems, keeping the equipment clean and extending its service life.

[0016] 2. Through the hexagonal groove and locking groove, the locking groove fits against the nut. When the two sealing caps close the nut, a wrench is used to hold the hexagonal groove, causing the sealing cap to rotate. Due to the rotating connection between the rotating cap and the sealing cap, and the locking block securing the rotating cap, the oil outlet position remains unchanged when the nut is removed with a wrench. This ensures that loosening the nut during oil draining does not affect the draining of hydraulic transmission oil. Loosening the nut does not affect oil draining; operators do not need to make additional adjustments or wait after loosening the nut and can directly proceed to the oil draining process. This significantly shortens the total oil draining operation time and improves work efficiency. Loosening the nut simultaneously drains oil without affecting the effect; operators only need to complete the loosening action once to allow the oil to flow continuously and stably, reducing operation steps and waiting time, and lowering the complexity and difficulty of the operation. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a three-dimensional structural diagram of the closed cover, hexagonal groove, and rotating cover in this utility model.

[0019] Figure 3 This utility model Figure 2 A schematic diagram of the three-dimensional structure in another state.

[0020] Figure 4 This utility model Figure 3 A three-dimensional structural diagram of the separated components.

[0021] Figure 5This is a three-dimensional structural diagram of the oil tank, oil inlet pipe, and oil delivery pipe in this utility model.

[0022] Figure 6 This utility model Figure 5 A three-dimensional structural diagram showing all components in their separated state.

[0023] Figure 7 This utility model Figure 6 A magnified three-dimensional structural diagram at point A in the middle.

[0024] In the diagram: 101, oil tank; 102, oil inlet pipe; 103, inlet plug; 104, threaded groove; 105, threaded pipe; 106, filter body; 107, two-way threaded connector; 108, nut; 109, oil delivery pipe; 110, locking block; 201, sealing cover; 202, hexagonal groove; 203, hinge; 204, rotating cover; 205, oil outlet pipe; 206, fitting groove; 207, locking groove; 208, insertion hole; 209, rotating groove; 210, rotating ring. Detailed Implementation

[0025] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0027] See attached document Figure 1 -Appendix Figure 7 A splash-proof device for hydraulic transmission oil of a loader includes a threaded pipe 105, a filter body 106, a two-way threaded connector 107, a nut 108, an oil delivery pipe 109, a locking block 110, a sealing cover 201, a hexagonal groove 202, a rotating cover 204, an oil outlet pipe 205, and a locking groove 207.

[0028] When using this invention, if the hydraulic transmission oil needs to be replaced, align the fitting groove 206 with the threaded groove 104, and then close the two sealing covers 201 and the rotating cover 204 with the help of the hinge 203. The locking groove 207 inside the sealing cover 201 will perfectly fit with the nut 108. At this time, fix the wrench at the hexagonal groove 202 on the outside of the sealing cover 201, and then rotate the wrench to loosen the nut 108. Loosening the nut 108 will drain the hydraulic transmission oil inside the oil tank 101. Thus, loosening the nut 108 during the oil draining process will not affect the draining of the hydraulic transmission oil. Loosening the nut 108 does not affect the oil draining process, and the operator does not need to make any additional adjustments or wait after loosening the nut 108, and can directly proceed to the oil draining process. This greatly shortens the total time of the oil draining operation and improves work efficiency.

[0029] Furthermore, the sealing cap 201 covers the oil drain, thus preventing the possibility of hydraulic transmission oil splashing. Preventing splashing avoids direct skin contact with the oil, reducing discomfort symptoms such as redness, itching, and pain, and lowering the risk of skin allergies and damage.

[0030] Furthermore, through the rotatable connection between the rotating groove 209 and the rotating ring 210, when the closed cover 201 is rotated by the wrench, the position of the rotating cover 204 will not change because the insertion hole 208 of the rotating cover 204 is locked with the locking block 110. At this time, the oil outlet pipe 205 fixed at the bottom of the rotating cover 204 will also not change position, so the hydraulic transmission oil flowing out of the nut 108 will flow out directly through the oil outlet pipe 205. Using the oil outlet pipe 205 to guide the oil to the collection frame, the operator only needs to open the nut 108, and the oil will automatically flow into the collection frame, simplifying the operation process and improving work efficiency.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A splash-proof device for hydraulic transmission oil in a loader, comprising an oil tank (101), characterized in that, The oil tank (101) is provided with a sealing cover (201) on its side. There are two sealing covers (201), which are symmetrically fitted together. Two locking grooves (207) are symmetrically opened on the side of the sealing covers (201) that are close to each other. Nuts (108) are provided inside the two locking grooves (207). The locking grooves (207) are used to facilitate the turning of the nuts (108). The sealing cover (201) is used to prevent the hydraulic transmission oil from splashing.

2. The anti-splash device for hydraulic transmission oil of a loader according to claim 1, characterized in that, Two hexagonal grooves (202) are symmetrically opened on the outer surface of the sealing cover (201). Two hinges (203) are fixedly connected to the sides of the two sealing covers (201). A rotating groove (209) is opened on the side of the sealing cover (201) away from the oil tank (101). A rotating ring (210) is slidably connected inside the rotating groove (209).

3. The anti-splash device for hydraulic transmission oil of a loader according to claim 2, characterized in that, The rotating ring (210) is fixedly connected to a rotating cover (204) on the side away from the sealing cover (201). The bottom end of the rotating cover (204) is fixedly connected to an oil outlet pipe (205). The sealing cover (201) has two symmetrical fitting grooves (206) on the side closer to the oil tank (101). The rotating cover (204) has two symmetrical insertion holes (208) on the side closer to each other on the side away from the sealing cover (201).

4. The anti-splash device for hydraulic transmission oil of a loader according to claim 3, characterized in that, The top of the oil tank (101) is fixedly connected to an oil inlet pipe (102), and an inlet plug (103) is threadedly connected to one end of the oil inlet pipe (102) away from the oil tank (101). A threaded groove (104) is provided on the oil tank (101) near the sealing cover (201), and the threaded groove (104) fits the shape of the fitting groove (206).

5. The anti-splash device for hydraulic transmission oil of a loader according to claim 4, characterized in that, The threaded groove (104) is internally threaded to a threaded tube (105). The threaded tube (105) is fixedly connected to a filter body (106) on the side of the oil tank (101) that is close to the inside. The threaded tube (105) is internally threaded to a two-way threaded connector (107) on the side of the threaded tube (105) that is away from the threaded groove (104). The nut (108) is threaded to the side of the two-way threaded connector (107) that is away from the threaded tube (105).

6. The anti-splash device for hydraulic transmission oil of a loader according to claim 5, characterized in that, The nut (108) is rotatably connected to an oil pipe (109) on the side away from the bidirectional threaded connector (107). Two locking blocks (110) are symmetrically fixed to the outer surface of the oil pipe (109), and the positions of the two locking blocks (110) correspond to the two insertion holes (208).

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