Oil tank mechanism with impurity removal function

Abstract

The invention discloses an oil tank mechanism with an impurity removal function. The oil tank mechanism comprises a pushing plate which is arranged in an oil tank and can move in the X-axis direction of the oil tank, and an oil impurity separation assembly which moves in the Y-axis direction of the oil tank. The pushing plate can push impurities deposited at the bottom of the oil tank in the oil tank to an impurity removing area arranged on one side of the oil tank, and the pushing plate and a sealing plate arranged in the impurity removing area are spliced to form a closed cavity for containing the impurities and oil. When the oil and impurity separation assembly moves in the Y-axis direction of the oil tank, oil is reserved in the oil tank, impurities are conveyed to the impurity discharging opening of the oil tank to be discharged, the use efficiency of the hydraulic oil tank is improved, and compared with a traditional oil tank cleaning method which comprises the tedious steps of shutdown, disassembly, oil pouring, cleaning, oil injection and the like, cleaning of the impurities in the oil tank becomes easier and faster; the oil tank does not need to be disassembled or oil liquid does not need to be poured out, chemical reaction between the oil liquid and oxygen and the like in the air in the pouring-out process is avoided, and the concept of sustainable development is met.

Description

Technical Field

[0001] The present application belongs to the technical field of hydraulic oil tanks, and in particular, relates to an oil tank mechanism with an impurity removal function. Background Art

[0002] Solid impurities in hydraulic systems mainly include fine sand, dust, silt particles, and metal debris particles. These contaminants come from various sources: some are left over from the manufacturing and assembly process of parts; others are generated by internal wear during the operation of the hydraulic system. Hydraulic oil containing impurities can cause serious damage to many key components of the hydraulic system. It increases the degree of wear on pumps and motors, and may cause multiple concurrent failures such as jamming; when the particle size exceeds the sealing gap of the hydraulic cylinder, it will directly cause the edge of the parts to peel off and destroy the sealing effect; in addition, impurities may also clog the oil filter, nozzles and various valves, ultimately causing the hydraulic system to not operate normally. Therefore, the removal of impurities in the oil tank is crucial to the normal operation of the entire hydraulic system.

[0003] In response to the problem of impurity contamination in the oil tank, the main measure currently taken is to configure a filtering device inside the oil tank to achieve effective separation of impurities and oil. For example, a closed oil tank is designed and used, and a special permanent magnet is installed inside it to adsorb iron particles mixed in the oil. This method is targeted and has a good effect on removing iron filings. However, its application range is relatively limited, limited to filtering specific types of impurities, and there are inconveniences in operation. Specifically, when impurities need to be cleaned, it is often necessary to disassemble the oil tank, pour out the hydraulic oil, and re-inject it after filtering. The whole process is cumbersome and complicated, which is not only time-consuming and labor-intensive, but may also affect the normal operation of the hydraulic system. Therefore, it is particularly important to explore more efficient and convenient methods for removing impurities from oil tanks. It can be seen that the existing technology needs to be further improved and improved. Summary of the invention

[0004] The invention provides an oil tank mechanism with an impurity removal function, which solves the problems of downtime and maintenance cost caused by impurity contamination of a hydraulic oil tank.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An oil tank mechanism with impurity removal function comprises a push plate arranged inside the oil tank and capable of moving along the X-axis direction of the oil tank, and an oil-impurity separation component moving along the Y-axis direction of the oil tank;

[0007] The push plate can push the impurities deposited at the bottom of the oil tank to the impurity removal area set on one side of the oil tank. When the push plate moves to the impurity removal position, it is spliced ​​with the sealing plate set in the impurity removal area to form a closed chamber for accommodating impurities and oil.

[0008] The oil-impurity separation component is arranged in a closed chamber, and the impurity discharge port provided in the oil tank is connected to the closed chamber. A guide channel is provided inside the oil-impurity separation component, which allows oil to pass through in one direction and blocks the passage of impurities. When the oil-impurity separation component moves along the Y-axis direction of the oil tank, the oil is retained in the oil tank and the impurities are sent to the impurity discharge port of the oil tank for discharge, thereby improving the use efficiency of the hydraulic oil tank.

[0009] Compared with the cumbersome steps of shutdown, disassembly, oil pouring, cleaning and oil filling in the traditional oil tank cleaning method, the oil tank mechanism with impurity removal function of the present application pushes the impurities at the bottom of the oil tank to the impurity removal area through the push plate, and is spliced ​​with the sealing plate to form a closed chamber, which effectively isolates the impurities from the oil in the main part of the oil tank. A guide channel is provided inside the oil-impurity separation component, which allows the oil to pass through in one direction and blocks the passage of impurities, thereby ensuring the purity of the oil during the separation process. At the same time, the impurities are effectively discharged, and the cleaning of impurities inside the oil tank becomes simpler and faster. There is no need to disassemble the oil tank or pour out the oil, which avoids the chemical reaction of the oil with oxygen in the air during the pouring process, resulting in the degradation or deterioration of the oil performance, reducing the waste of oil and environmental pollution, and conforming to the concept of sustainable development.

[0010] In a preferred implementation, the oil-impurity separation component includes a flow direction regulating shell with openings at both ends. The interior of the flow direction regulating shell is divided into a wide section and a narrow section. Filters and barrier elements are arranged in sequence in the flow direction regulating shell from the narrow section to the wide section. A pull rod is arranged along the Y-axis direction of the oil tank. One end of the pull rod passes through the filter and the barrier element and is fixedly connected to the flow direction regulating shell, and the other end is arranged on the outside of the oil tank. The barrier element can move relative to the pull rod and contact or maintain a gap with the inner wall of the narrow section shell to block or conduct the two openings of the flow direction regulating shell.

[0011] In a preferred implementation, the blocking element includes a sealing ball with a hole, the diameter of the sealing ball is smaller than the wide section of the shell and larger than the narrow section of the shell, one side of the sealing ball is connected to a first gasket, the first gasket is connected to one side of a spring element, the other side of the spring element is connected to a second gasket, the second gasket is fixedly connected to the flow direction control shell, and oil pressure acts on the sealing ball to make the sealing ball abut against or space the inner wall of the narrow section of the shell.

[0012] In a preferred implementation, the pull rod is provided with a first sealing ring, and the first gasket is provided with a second sealing ring. The first gasket can drive the second sealing ring to move linearly relative to the pull rod. When the sealing ball abuts against the inner wall of the narrow section of the shell, the first sealing ring and the second sealing ring abut against each other to achieve sealing.

[0013] In a preferred implementation, the impurity discharge port is provided with a sealing small door, the sealing small door is detachably connected to the oil tank, a pull rod is arranged through the sealing small door, and a sealing structure is arranged between the pull rod and the sealing small door to prevent oil leakage.

[0014] In a preferred implementation, the push plate is connected to a pushing force assembly, which includes a rigid chain, one end of which is located inside the side wall of the oil tank, and the other end of which extends from a slot opened in the side wall of the oil tank and is connected to the push plate. The rigid chain also includes a rotating shaft, which is provided with a gear that cooperates with the rigid chain. Rotating the rotating shaft can extend the rigid chain located inside the side wall of the box to a horizontal state to push the push plate to move.

[0015] In a preferred implementation, the closed chamber is connected to a pressure relief pipe, the oil outlet of the pressure relief pipe is arranged above the oil level of the oil tank, and the pressure relief pipe is used to discharge the oil after impurities in the closed chamber to the oil tank.

[0016] In a preferred implementation, limiting parts are provided on both sides of the push plate, and the side wall of the oil tank is provided with limiting grooves along the X-axis direction, and the limiting parts are located in the limiting grooves to prevent the push plate from floating up when moving.

[0017] In a preferred implementation, the oil tank is provided with a receiving portion, the flow direction regulating housing is initially located in the receiving portion and the filter screen is arranged flush with the side wall of the oil tank.

[0018] In a preferred implementation, a sealing member is provided between the push plate and the sealing plate to achieve splicing sealing.

[0019] The above structure has the following beneficial effects:

[0020] 1. The oil tank mechanism with impurity removal function of the present application does not require complicated steps such as disassembly, pouring oil, cleaning, and filling oil. It can be used during non-working hours when the equipment is not in use, such as at night or on weekends, so that impurities have enough time to naturally settle to the bottom of the oil tank under the action of gravity. This process does not require manual intervention and does not take up any working time, ensuring the continuity and efficiency of the production line. It can be cleaned once a day to ensure the long-term normal operation of the hydraulic system.

[0021] 2. The oil tank mechanism with impurity removal function of the present application does not need to pour out the oil to remove impurities. The oil remains in a closed state in the oil tank, avoiding contact with oxygen in the air, thereby slowing down the oxidation and deterioration of the oil, extending the service life of the oil, reducing the frequency and cost of oil replacement, avoiding environmental pollution that may be caused by the pouring and processing of the oil, reducing the amount of waste oil to be processed, and reducing environmental pressure. It has important practical application value.

[0022] 3. The oil tank mechanism with impurity removal function of the present application and the oil-impurity separation component realize the effective separation of oil and impurities, while ensuring that the space occupied by them inside the oil tank is minimized. Other parts of the oil tank, such as the oil pump, oil pipe, cooler, etc., still have enough space for arrangement and installation, and will not be squeezed or disturbed by the newly added impurity removal mechanism. The removal of impurities and purification of oil can be achieved through a simple pull rod operation, which greatly simplifies the operation process and difficulty.

[0023] 4. The oil tank mechanism with impurity removal function of the present application has a pushing force component that pushes the push plate to move, which is designed as a rigid chain built into the side wall of the oil tank, reducing the space occupied inside the oil tank. The mechanism performs very smoothly during the pushing process and hardly causes the hydraulic oil to be agitated. In this way, impurities that have been deposited at the bottom of the oil tank are prevented from being turned over again, thereby ensuring the cleanliness of the hydraulic oil and the stable operation of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present application and do not constitute an improper limitation of the present invention. In the drawings:

[0025] Figure 1 A three-dimensional structural schematic diagram of the fuel tank of the present application is depicted;

[0026] Figure 2 A schematic structural diagram of the sealed small door and the pull rod of the present application is depicted;

[0027] Figure 3 A three-dimensional structural schematic diagram of the fuel tank of the present application from another perspective is depicted;

[0028] Figure 4 A schematic diagram of the structure inside the fuel tank of the present application is depicted;

[0029] Figure 5 A schematic diagram of the structure of the splicing of the push plate and the sealing plate of the present application is depicted;

[0030] Figure 6 A three-dimensional structural schematic diagram of the oil-impurity separation component of the present application is depicted;

[0031] Figure 7 A structural schematic diagram showing the plugging state of the oil-impurity separation component of the present application is depicted;

[0032] Figure 8 A structural schematic diagram showing the connected state of the oil-impurity separation component of the present application is depicted;

[0033] Fig. 9 A schematic structural diagram of a rigid chain of the present application is depicted;

[0034] Description of labels:

[0035] 1-oil tank; 10-sealed small door; 11-enclosed chamber; 12-accommodating part; 13-limiting groove; 2-sliding plate; 20-limiting part; 3-sealing plate; 4-oil and impurity separation component; 40-flow direction regulation housing; 400-positioning block; 41-filter screen; 42-sealing ball; 43-first gasket; 430-second sealing ring; 44-elastic element; 45-second gasket; 46-pull rod; 460-first sealing ring; 5-pressure relief pipe; 60-rigid chain; 61-rotating shaft; 610-gear; 62-handle. DETAILED DESCRIPTION

[0036] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit and scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0037] The present invention will be described below in conjunction with the accompanying drawings.

[0038] The specific plans adopted are:

[0039] like Figure 1-9 As shown, the present invention provides an oil tank mechanism with impurity removal function, comprising a push plate 2 arranged inside an oil tank 1 and capable of moving along the X-axis direction of the oil tank, and an oil-impurity separation component 4 moving along the Y-axis direction of the oil tank;

[0040] The push plate can push the impurities deposited at the bottom of the oil tank to the impurity removal area set on one side of the oil tank. When the push plate moves to the impurity removal position, it is spliced ​​with the sealing plate 3 set in the impurity removal area to form a closed chamber 11 for accommodating impurities and oil.

[0041] The oil-impurity separation component is arranged in a closed chamber, and the impurity discharge port provided in the oil tank is connected to the closed chamber. A guide channel is provided inside the oil-impurity separation component, which allows oil to pass through in one direction and blocks the passage of impurities. When the oil-impurity separation component moves along the Y-axis direction of the oil tank, the oil is retained in the oil tank and the impurities are sent to the impurity discharge port of the oil tank for discharge, thereby improving the use efficiency of the hydraulic oil tank.

[0042] In the above structure, the push plate can move along the X-axis direction of the oil tank to push the impurities statically deposited at the bottom of the oil tank to the impurity removal area. The push plate and the sealing plate in the impurity removal area are spliced ​​to form a closed chamber to initially concentrate the impurities; at the same time, the hydraulic oil in the oil tank is divided into two parts to prevent a large amount of oil leakage when the impurities are discharged, which provides the necessary conditions for the subsequent oil-impurity separation. A guide channel is provided inside the oil-impurity separation component to allow the oil to pass through in one direction and hinder the passage of impurities. When the oil-impurity separation component moves along the Y-axis direction of the oil tank in the closed chamber, the oil can pass through the guide channel and the impurities are sent to the impurity discharge port and discharged. Through the synergistic effect of the push plate and the oil-impurity separation component, efficient removal of impurities and effective retention of oil are achieved. This solution does not require tedious steps such as disassembling the oil tank and pouring out the hydraulic oil, simplifies the maintenance process, improves the efficiency and convenience of maintenance work, and reduces maintenance costs. By effectively removing impurities and retaining oil, the service life of the hydraulic oil tank is extended, the equipment downtime for maintenance is reduced, and the utilization rate of oil is improved.

[0043] See also Figure 6 , Figure 7 and Figure 8 As a preferred embodiment of the present application, the oil-impurity separation component includes a flow direction regulating shell 40 with openings at both ends. The interior of the flow direction regulating shell is divided into a wide section and a narrow section. A filter 41 and a barrier element are arranged in sequence from the narrow section to the wide section in the flow direction regulating shell, wherein the filter is adapted to the size of the closed chamber. A pull rod 46 is arranged along the Y-axis direction of the oil tank, one end of which passes through the filter and the barrier element and is connected to the flow direction regulating shell through a positioning block 400. The diameter of the pull rod is smaller than the size of the shell opening, and the other end of the pull rod is arranged on the outside of the oil tank. The barrier element can move relative to the pull rod to contact or maintain a gap with the inner wall of the narrow section shell to block or conduct the two openings of the flow direction regulating shell.

[0044] When the oil tank needs to be discharged, the entire oil-impurity separation assembly 4 can be moved in the closed chamber along the Y-axis direction of the oil tank by simply pulling the pull rod 46. In this process, the oil and impurities in the closed chamber will move in the opposite direction to the oil-impurity separation assembly. In this state, the filter plays a key role, which can effectively block the impurities. The impurities are pushed toward the discharge port by the oil-impurity separation assembly, and the oil can smoothly pass through the filter and enter the interior of the oil-impurity separation assembly and move away from the discharge port.

[0045] As the oil-impurity separation component moves, the closed chamber is divided into two areas: one is a gradually increasing impurity removal interval for accommodating impurity removal oil, and the other is a gradually decreasing impurity accommodating interval. The blocking element can move relative to the pull rod, so as to contact the inner wall of the narrow section shell or maintain a certain interval. When the interval is maintained, that is, the two openings are connected through the gap between the blocking element and the inner wall of the narrow section shell, the oil can freely pass through the oil-impurity separation component 4 and reach the impurity removal interval; when the two openings are blocked, that is, the blocking element abuts against the inner wall of the narrow section shell without a gap, no liquid conduction will occur between the impurity removal interval and the impurity accommodating interval, thereby preventing the oil in the impurity removal interval from flowing back.

[0046] Specifically, the blocking element includes a sealing ball 42 with a hole, the hole is used for the pull rod to pass through, the diameter of the sealing ball is smaller than the wide section of the shell and larger than the narrow section of the shell, one side of the sealing ball is connected to the first gasket 43, the first gasket is connected to one side of the spring element 44, the other side of the spring element is connected to the second gasket 45, the second gasket is fixed to the flow direction control shell, when the pull rod is pulled to drive the flow direction control shell to move, the oil pressure will act on the sealing ball 42, so that it moves with the first gasket and compresses the spring element. At this time, the oil can enter the impurity removal zone on the other side through the gap between the sealing ball and the shell.

[0047] As the space of the impurity removal zone gradually increases and the amount of oil increases, the oil pressure in the impurity removal zone will be greater than that in the impurity accommodation zone which is gradually decreasing. At this time, the sealing ball 42 is abutted against the inner wall of the narrow section shell by the oil pressure of the oil in the impurity removal zone. In order to make the oil-impurity separation component continue to move toward the impurity discharge port, see Figure 3 The closed chamber is connected to a pressure relief pipe 5, which can be arranged outside the oil tank or inside the oil tank. The oil tank is not full of oil. Therefore, the oil outlet of the pressure relief pipe is arranged on the upper side of the oil tank liquid level to discharge the oil after impurities removal in the closed chamber into the oil tank outside the closed chamber. When discharging the oil in the impurity removal interval, the oil can be discharged by pumping or reversely pushing the pull rod (such as the needle tube principle), and then the pull rod operation is continued until the impurities reach the impurity discharge port. Finally, the oil remains in the oil tank and the impurities are successfully removed.

[0048] In order to ensure sealing, the pull rod 46 is provided with a first sealing ring 460, and the first gasket 43 is provided with a second sealing ring 430. The first gasket can drive the second sealing ring to move linearly relative to the pull rod. When the sealing ball abuts against the inner wall of the narrow section of the shell, the first sealing ring 460 and the second sealing ring 430 abut against each other to prevent the oil in the impurity removal interval from entering the impurity containing interval through the gap between the pull rod and the sealing ball and the first gasket.

[0049] As a preferred embodiment of the present application, see Figure 2The impurity discharge port is provided with a sealing small door 10, which is detachably connected to the oil tank. The pull rod 46 is arranged through the sealing small door. A sealing structure is arranged between the pull rod and the sealing small door to prevent oil leakage. The sealing small door at the impurity discharge port is detachably connected to the oil tank. This design allows the sealing small door to be easily removed to make the impurities fall when it is necessary to remove impurities, and then the filter screen can be cleaned with a cleaning brush. The material and sealing performance of the sealing small door 10 must be strictly tested to ensure that it can withstand the working pressure of the hydraulic system and prevent oil leakage. The pull rod passes through the sealing small door, and a sealing structure is arranged between the two. This sealing structure can directly adopt the existing sealing method of the hydraulic rod and the hydraulic cylinder. This sealing method has been used and verified for a long time and has excellent sealing performance and stability. It can effectively prevent oil from leaking out from the gap between the pull rod and the sealing small door during the movement of the pull rod. In addition, a sealing structure is also arranged between the flow direction control housing and the sealing plate and the inner wall of the push plate. This sealing structure can also adopt the sealing method of the hydraulic rod and the inside of the hydraulic cylinder to prevent the hydraulic oil from flowing through the gap between the flow direction control housing and the closed chamber.

[0050] When the pull rod 46 is in place, that is, when the impurities are collected near the impurity discharge port, the impurities can be removed by removing the sealing small door. This operation is simple and quick. After removing the impurities, reinstall the sealing small door on the oil tank and ensure that its sealing performance is good. In this way, the hydraulic system can continue to operate normally without being affected by impurity contamination.

[0051] As a preferred embodiment of the present application, see Figure 4 , Figure 5 and Fig. 9 , the push plate 2 is connected to the pushing force assembly, wherein the core component of the pushing force assembly is a rigid chain 60, also known as a lifting chain. One end of the rigid chain is placed inside the side wall of the oil tank, while the other end extends through a slot specially opened on the side wall of the oil tank and is closely connected to the push plate. The rigid chain is equipped with a rotating shaft 61, and a rotary seal is used between the rotating shaft and the oil tank 1. This connection method is quite mature in the prior art, so it will not be repeated here. Inside the oil tank, the rotating shaft is provided with a handle 62, and inside the oil tank, the rotating shaft is equipped with a gear 610 that perfectly matches the rigid chain.

[0052] When the rotating shaft 61 is rotated, the gear will rotate accordingly, thereby driving the rigid chain 60 located in the side wall of the oil tank to gradually extend until it reaches a horizontal state, and the rigid chain can steadily push the push plate 2 to move. This design not only simplifies the internal oil storage space of the oil tank occupied by traditional propulsion devices, such as cylinders, motor screws, etc., thereby ensuring the oil storage capacity of the oil tank, but also drives the rotation of the rotating shaft and gears by rotating the knob, so that the propulsion speed can be flexibly adjusted. The mechanism performs very smoothly during the propulsion process and hardly causes agitation of the hydraulic oil. In this way, impurities that have been deposited at the bottom of the oil tank are prevented from being turned over again, thereby ensuring the cleanliness of the hydraulic oil and the stable operation of the system.

[0053] Furthermore, the push plate 2 is provided with limiting parts 20 on both sides, and the side wall of the oil tank is provided with limiting grooves 13 along the X-axis direction. The limiting parts are located in the limiting grooves. When the push plate moves along a preset path driven by the pushing power assembly, the limiting parts on both sides will be tightly embedded in the limiting grooves of the side walls of the oil tank, which not only effectively limits the freedom of the push plate in the vertical direction (i.e. floating), but also ensures that the push plate can move smoothly and accurately along the X-axis direction without deviation or shaking, thereby improving the stability and reliability of the push plate movement.

[0054] As a preferred embodiment of the present application, the length of the push plate is designed to match the length of the tank. When the push plate is in place, it can cover the impurities within the entire length of the tank. The flow direction regulating housing is initially located in the accommodating portion 12, and its filter is flush with the side wall of the tank, ensuring that the flow direction regulating housing will not prevent the impurities at the edge from being blocked in the closed cavity.

[0055] As a preferred embodiment of the present application, a seal is provided between the push plate and the sealing plate to achieve splicing seal, for example, through the close fit of the slot, the plug-in block and the rubber strip, effective sealing between the push plate and the sealing plate is achieved.

[0056] Anything not described in the present invention can be achieved by adopting or drawing on existing technologies.

[0057] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of various changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A fuel tank mechanism with impurity removal function, characterized in that: It includes a push plate arranged inside the oil tank and capable of moving along the X-axis direction of the oil tank, and an oil-impurity separation component moving along the Y-axis direction of the oil tank; The push plate can push the impurities deposited at the bottom of the oil tank to the impurity removal area set on one side of the oil tank. When the push plate moves to the impurity removal position, it is spliced ​​with the sealing plate set in the impurity removal area to form a closed chamber for accommodating impurities and oil. The oil-impurity separation component is arranged in a closed chamber, and the impurity discharge port provided in the oil tank is connected to the closed chamber. A guide channel is provided inside the oil-impurity separation component, which allows oil to pass through in one direction and blocks the passage of impurities. When the oil-impurity separation component moves along the Y-axis direction of the oil tank, the oil is retained in the oil tank and the impurities are sent to the impurity discharge port of the oil tank for discharge, thereby improving the use efficiency of the hydraulic oil tank.

2. The oil tank mechanism with impurity removal function according to claim 1, characterized in that: The oil-impurity separation component includes a flow direction regulating shell with openings at both ends. The interior of the flow direction regulating shell is divided into a wide section and a narrow section. Filters and barrier elements are arranged in sequence from the narrow section to the wide section in the flow direction regulating shell. A pull rod is arranged along the Y-axis direction of the oil tank. One end of the pull rod passes through the filter and the barrier element and is fixedly connected to the flow direction regulating shell, and the other end is arranged on the outside of the oil tank. The barrier element can move relative to the pull rod and contact or maintain a gap with the inner wall of the narrow section shell to block or conduct the two openings of the flow direction regulating shell.

3. The oil tank mechanism with impurity removal function according to claim 2, characterized in that: The blocking element includes a sealing ball with a hole, the diameter of the sealing ball is smaller than the wide section of the shell and larger than the narrow section of the shell, one side of the sealing ball is connected to a first gasket, the first gasket is connected to one side of a spring element, the other side of the spring element is connected to a second gasket, the second gasket is fixedly connected to the flow direction regulating shell, and oil pressure acts on the sealing ball to make the sealing ball abut against or spaced from the inner wall of the narrow section of the shell.

4. The oil tank mechanism with impurity removal function according to claim 3, characterized in that: The pull rod is provided with a first sealing ring, and the first gasket is provided with a second sealing ring. The first gasket can drive the second sealing ring to move linearly relative to the pull rod. When the sealing ball abuts against the inner wall of the narrow section of the shell, the first sealing ring and the second sealing ring abut against each other to achieve sealing.

5. The oil tank mechanism with impurity removal function according to claim 2, characterized in that: The impurity discharge port is provided with a sealing small door, the sealing small door is detachably connected to the oil tank, a pull rod is arranged through the sealing small door, and a sealing structure is arranged between the pull rod and the sealing small door to prevent oil leakage.

6. The oil tank mechanism with impurity removal function according to claim 1, characterized in that: The push plate is connected to the pushing force component, which includes a rigid chain. One end of the rigid chain is located in the side wall of the oil tank, and the other end extends from a slot opened in the side wall of the oil tank and is connected to the push plate. The rigid chain also includes a rotating shaft, which is provided with a gear that cooperates with the rigid chain. Rotating the rotating shaft can extend the rigid chain located in the side wall of the box to a horizontal state to push the push plate to move.

7. The oil tank mechanism with impurity removal function according to claim 1, characterized in that: The closed chamber is connected to a pressure relief pipe, the oil outlet of the pressure relief pipe is arranged on the upper side of the oil tank liquid level, and the pressure relief pipe is used to discharge the oil after impurities in the closed chamber to the oil tank.

8. The oil tank mechanism with impurity removal function according to claim 1, characterized in that: Limiting parts are arranged on both sides of the push plate, and the side wall of the oil tank is provided with a limiting groove along the X-axis direction. The limiting parts are located in the limiting groove to prevent the push plate from floating up when moving.

9. The oil tank mechanism with impurity removal function according to claim 2, characterized in that: The oil tank is provided with a receiving portion, the flow direction regulating housing is initially located in the receiving portion and the filter screen is arranged flush with the side wall of the oil tank.

10. The oil tank mechanism with impurity removal function according to claim 1, characterized in that: A sealing member is arranged between the push plate and the sealing plate to achieve splicing sealing.

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