Impurity filtering device for oil cooler

Abstract

The impurity filtering device comprises the oil cooling machine, a cover plate is arranged at the top end of the oil cooling machine, the side face of the oil cooling machine is detachably connected with an installation side plate in a sleeving mode, a heat dissipation plate is arranged on the surface of the installation side plate, and a bottom supporting plate is fixedly installed on one side of the inner wall of the oil cooling machine; a filter box is arranged at the top end of the bottom supporting plate, a protective cover plate is placed at the top end of the filter box, and a mounting assembly is fixed to the top end of the filter box. Through the arrangement of the filtering side plate, the mounting assembly and the filtering box, after the filtering side plate carries out long-term filtering work, the filtering side plate can be directly detached from an embedding opening in one side of the side face top plate, and then a fixing bolt can be moved from a threaded hole in one side of the side face plate to one side of a fixing supporting plate at the same time; and during the period, the equipment does not need to be stopped, and sustainable work of the equipment is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of oil coolers, and more specifically, to an impurity filtering device for an oil cooler. Background Art

[0002] Oil cooler is also called oil chiller. According to the principle of refrigeration system, low-temperature and low-pressure liquid refrigerant exchanges heat with surrounding water in the evaporator. The evaporator absorbs the heat of the oil and evaporates into low-temperature and low-pressure gas. The temperature of the refrigerant does not change during the evaporation process. The low-temperature and low-pressure gaseous refrigerant enters the compressor, is compressed by the compressor, and is compressed into a high-temperature and high-pressure gaseous state, and then enters the condenser. In the condenser, it exchanges heat with the medium in the room. Part of the heat of the high-temperature and high-pressure gaseous state is absorbed by the medium, the temperature of the medium rises, and the refrigerant releases heat to become a high-temperature and high-pressure liquid. The temperature of the condenser process remains unchanged, and then enters the expansion valve for throttling. Throttling is a process of rapid cooling. After this process, the refrigerant enters the evaporator for heat exchange and evaporation, thereby realizing the entire process of the refrigeration system. The publication number is: CN21388528 3U's existing patent discloses a filtering device for an oil cooler and an oil cooler, including: a filter, which has a liquid inlet and a liquid outlet, a liquid inlet pipeline connected to the liquid inlet, and a liquid outlet pipeline connected to the liquid outlet, so that the heat exchange medium passes through the filter through the liquid inlet pipeline and flows out from the liquid outlet pipeline, a branch pipeline, whose two ends are respectively connected to the liquid inlet pipeline and the liquid outlet pipeline, a pressure sensor, which is installed on the liquid inlet pipeline and close to the liquid inlet, and an electromagnetic switch valve, which includes a first electromagnetic switch valve and a second electromagnetic switch valve. The patent uses the filtering device of the oil cooler. When the filter is blocked to a large extent and affects the flow rate of the heat exchange medium passing through the heat exchange module, the heat exchange medium no longer passes through the filter but flows into the heat exchange module through the branch pipeline, which is conducive to timely diffusion of the waste heat of the heat-generating components.

[0003] However, there are still some shortcomings in its actual use. For example, the current oil cooler filter equipment is unable to remove the impurities adhered to its interior in real time during operation. During subsequent cleaning, the equipment needs to be paused so that the filter equipment can be deeply cleaned separately. The process is relatively cumbersome and cannot meet the needs of real-time cleaning. As a result, after the oil cooler is paused, the kinetic energy required to restart is large, which affects the energy consumption of the entire equipment and has an impact on the overall work efficiency and economic benefits of the equipment. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides an impurity filtering device for an oil cooler, by setting a filter side panel, a mounting assembly and a filter box, and utilizing the mutual cooperation of the several, when the filter side panel has been used for long-term filtering, the filter side panel can be directly removed from the embedding opening on the side of the side top panel for replacement after cleaning, and then the fixing bolt can be moved from the threaded hole on one side of the side panel toward one side of the fixing bracket, so that one end of the fixing bolt is pressed against the surface of the fixing bracket, so that the fixing bracket and the fixing rod are slid to one side, and at this time, the fixed curved rod on the side of the fixing rod will drive the connecting seat, the fixing spring and the rubber pad on one side thereof to move toward the surface of the filter side panel, thereby applying a lateral force to the whole, so that the whole fits better with the side top panel, further ensuring the filter side panel and the side The fixing effect between the top plates can achieve the effect of detachable replacement, and during this period, there is no need to stop the equipment, thereby ensuring the sustainable operation of the equipment and further improving the working efficiency of the equipment. By setting an arc-shaped slide groove, a fixed slider and a self-locking hole, the overall shape of the fixed slider is cylindrical, so that when it slides inside the arc-shaped slide groove, the friction between its side and the arc-shaped slide groove is small, thereby ensuring the smoothness of the movement of both, further improving the flexibility of the fixed slider, and at the same time ensuring that when the fixed slider moves to the position of the self-locking hole, it can contact with the wear-resistant side plates on both sides of the inner wall of the self-locking hole and squeeze the wear-resistant side plates on both sides, thereby ensuring that when the fixed slider moves to the inside of the position, it can achieve a self-locking effect, thereby further improving the stability of the multiple filtering side plates on the inner surface of the equipment to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical scheme: an impurity filtering device for an oil cooler, comprising an oil cooler, a cover plate is arranged on the top of the oil cooler, a mounting side plate is detachably sleeved on the side of the oil cooler, a heat dissipation plate is arranged on the surface of the mounting side plate, a bottom support plate is fixedly installed on one side of the inner wall of the oil cooler, a filter box is arranged on the top of the bottom support plate, a protective cover plate is placed on the top of the filter box, a mounting assembly is fixedly installed on the top of the filter box, an oil delivery pipeline is connected to the side of the filter box, a locking assembly is fixedly installed on one side of the mounting assembly, a cooling assembly is connected and installed on the other end of the oil delivery pipeline, and an oil return pipeline is connected and installed on the other end of the cooling assembly, a heat dissipation slot is opened on the side of the cooling assembly, a fastener is fixedly installed on the bottom end of the bottom support plate, a filter side plate is equidistantly installed inside the filter box, and a mounting top plate is fixedly installed on the top of the filter side plate;

[0006] The mounting assembly comprises a side top plate, a side surface of the side top plate is provided with an embedding opening adapted to the filter side plate, and a top end of the side top plate is fixedly connected with a fixing seat.

[0007] In a preferred embodiment, a sliding hole is provided at the top of the fixing seat, a side panel is fixedly mounted on the side of the side top plate, a threaded hole is provided on one side of the side panel, and a fixing bolt is connected to the internal thread of the threaded hole.

[0008] In a preferred embodiment, the internal sliding sleeve of the sliding hole is provided with a fixing rod, one side end of the fixing rod is fixedly connected to a fixing support plate, the side of the fixing rod is fixedly connected to a fixing curved rod, the other end of the fixing curved rod is fixedly connected to a connecting seat, and the side of the connecting seat is inlaid with a fixing spring.

[0009] In a preferred embodiment, a rubber pad is inlaid and installed on the side of the fixing spring. The whole material of the rubber pad is rubber material, and the center of the rubber pad is on the same horizontal line as the central axis of the fixing spring.

[0010] In a preferred embodiment, the locking assembly includes a driving gear, a fixed shaft is embedded in the interior of the driving gear, the fixed shaft passes through the interior of the driving gear, a fixed handle is fixedly mounted on the end face of the fixed shaft, and a linkage gear is meshedly connected to the side of the driving gear.

[0011] In a preferred embodiment, a fixed rotating rod is embedded and installed inside the linkage gear, and a mounting seat is rotatably sleeved on the bottom end of the fixed rotating rod. The side of the mounting seat is fixedly installed on the surface of the filter box, and an adapting through hole is provided at the top of the mounting seat. A fixed rotating port adapted to the fixed rotating rod is provided on one side of the top of the mounting seat.

[0012] In a preferred embodiment, a fixed turntable is fixedly sleeved on the side of the fixed turntable, a fixed side frame is inlaid and connected on the side of the fixed turntable, a fixed slider is inlaid and connected on the bottom end of the fixed side frame, and the overall shape of the fixed slider is cylindrical.

[0013] In a preferred embodiment, a fixed base is fixedly mounted on the side of the mounting seat, an arc-shaped slide groove is provided on the side of the fixed base, a self-locking hole is integrally formed in the middle of the arc-shaped slide groove, and the overall shape of the self-locking hole is circular.

[0014] In a preferred embodiment, layers of wear-resistant side plates are fixedly adhered to the inner walls on both sides of the side of the self-locking hole. The wear-resistant side plates are semicircular in shape, and the inner wall surfaces of the wear-resistant side plates are smooth. The bottom end of the fixed slider extends to the interior of the arc-shaped slide groove, and is slidably engaged with the arc-shaped slide groove. The trajectory of the fixed slider is consistent with the rotation trajectory of the arc-shaped slide groove, and the two ends of the arc-shaped slide groove respectively pass through the upper and lower ends of the fixed base, and the overall shape of the fixed base is a long strip.

[0015] Technical effects and advantages of the present invention:

[0016] 1. The present invention provides a filter side plate, a mounting assembly and a filter box, and utilizes the mutual cooperation of the several. When the filter side plate performs long-term filtering work, the filter side plate can be directly disassembled from the embedding opening on one side of the side top plate for replacement after cleaning. Subsequently, the fixing bolt can be moved from the threaded hole on one side of the side panel toward one side of the fixing bracket, so that one end of the fixing bolt is pressed against the surface of the fixing bracket, so that the fixing bracket and the fixing rod slide toward one side. At this time, the fixed curved rod on the side of the fixing rod drives the connecting seat on one side and the fixing spring and the rubber pad to move toward the surface of the filter side plate, thereby applying a lateral force to the whole, so that the whole fits with the side top plate better, further ensuring the fixing effect between the filter side plate and the side top plate, thereby achieving the effect of detachable replacement, and during this period, there is no need to stop the equipment, thereby ensuring the sustainable operation of the equipment, further improving the working efficiency of the equipment, and reducing the energy consumption of the equipment during repeated startup;

[0017] 2. The present invention sets a locking assembly and a filter box, and utilizes the mutual cooperation of the several, rotates the driving gear through the fixed turning handle, so that it drives the linkage gear to rotate synchronously, and then drives the fixed slider at the bottom end thereof to slide inside the arc-shaped slide groove through the fixed turntable on the linkage gear, so that when the fixed slider moves to the position of the self-locking hole, it can contact with the wear-resistant side plates on both sides of the inner wall of the self-locking hole, and squeeze the wear-resistant side plates on both sides, so as to ensure that the fixed slider achieves a self-locking effect as a whole, thereby ensuring that after the filter side plate is replaced, its overall firmness is guaranteed;

[0018] 3. The present invention provides an arc-shaped slide groove, a fixed slider and a self-locking hole, and utilizes the overall cylindrical shape of the fixed slider so that when it slides inside the arc-shaped slide groove, the friction between its side and the arc-shaped slide groove is small, thereby ensuring the smoothness of the movement of both, further improving the flexibility of the fixed slider, and at the same time ensuring that when the fixed slider moves to the position of the self-locking hole, it can contact with the wear-resistant side plates on both sides of the inner wall of the self-locking hole and squeeze the wear-resistant side plates on both sides, thereby ensuring that when the fixed slider moves to the inside of this position, it can achieve a self-locking effect, thereby further improving the stability of the filtering side plates inside the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of a half-section structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the three-dimensional structure of the filter box and the cooling assembly of the present invention;

[0022] Figure 4 It is a schematic diagram of the side structure of the filter box of the present invention;

[0023] Figure 5 It is a schematic diagram of the three-dimensional assembly structure of the filter box of the present invention;

[0024] Figure 6 It is a schematic diagram of the three-dimensional assembly structure of the locking assembly of the present invention;

[0025] Figure 7 It is a schematic diagram of the three-dimensional assembly structure of the locking assembly and the mounting assembly of the present invention;

[0026] Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure at point A;

[0027] Fig. 9 It is a schematic diagram of the overall structure of the locking assembly and the mounting assembly of the present invention from the side.

[0028] The accompanying drawings are marked as follows: 1, oil cooler; 2, cover plate; 3, mounting side plate; 4, heat sink; 5, bottom support plate; 6, filter box; 7, protective cover plate; 8, mounting assembly; 9, oil pipeline; 10, locking assembly; 11, cooling assembly; 12, oil return pipeline; 13, heat dissipation notch; 14, fastener; 15, filter side plate; 16, mounting top plate; 81, side top plate; 82, embedding port; 83, fixing seat; 84, sliding hole; 85, side panel; 86, threaded hole; 87, fixing bolt; 88, fixing rod; 89, Fixed support plate; 891, fixed curved rod; 892, connecting seat; 893, fixed spring; 894, rubber pad; 101, driving gear; 102, fixed shaft; 103, fixed handle; 104, linkage gear; 105, fixed rod; 106, mounting seat; 107, adapter through hole; 108, fixed turn mouth; 109, fixed turntable; 1091, fixed side frame; 1092, fixed slider; 1093, fixed base; 1094, arc-shaped slide groove; 1095, self-locking hole; 1096, wear-resistant side plate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] As attached Figure 1 To Attachment Fig. 9 The impurity filtering device for an oil cooler shown in the figure comprises an oil cooler 1, a cover plate 2 is arranged at the top of the oil cooler 1, a mounting side plate 3 is detachably sleeved on the side of the oil cooler 1, a heat dissipation plate 4 is arranged on the surface of the mounting side plate 3, a bottom support plate 5 is fixedly installed on one side of the inner wall of the oil cooler 1, a filter box 6 is arranged at the top of the bottom support plate 5, a protective cover plate 7 is placed on the top of the filter box 6, a mounting assembly 8 is fixedly installed on the top of the filter box 6, an oil pipeline 9 is connected to the side of the filter box 6, a locking assembly 10 is fixedly installed on one side of the mounting assembly 8, a cooling assembly 11 is connected to the other end of the oil pipeline 9, an oil return pipeline 12 is connected to the other end of the cooling assembly 11, a heat dissipation slot 13 is provided on the side of the cooling assembly 11, a fastener 14 is fixedly installed on the bottom end of the bottom support plate 5, a filter side plate 15 is equidistantly installed inside the filter box 6, and a mounting top plate 16 is fixedly installed on the top of the filter side plate 15;

[0031] The mounting assembly 8 includes a side top plate 81 , a side of the side top plate 81 is provided with an embedding opening 82 adapted to the filter side plate 15 , and a top end of the side top plate 81 is fixedly connected with a fixing seat 83 .

[0032] A sliding hole 84 is provided at the top of the fixing seat 83, a side panel 85 is fixedly installed on the side of the side top plate 81, a threaded hole 86 is provided on one side of the side panel 85, a fixing bolt 87 is connected to the inner thread of the threaded hole 86, a fixing rod 88 is provided on the inner sliding sleeve of the sliding hole 84, a fixing support plate 89 is fixedly connected to one end of the fixing rod 88, a fixed curved rod 891 is fixedly connected to the side of the fixing rod 88, a connecting seat 892 is fixedly connected to the other end of the fixing curved rod 891, a fixing spring 893 is inlaid on the side of the connecting seat 892, and the locking assembly 10 includes a driving gear 101. A fixed rotating shaft 102 is embedded and installed inside the gear 101, and the fixed rotating shaft 102 passes through the interior of the driving gear 101. A fixed turning handle 103 is fixedly mounted on the end face of the fixed rotating shaft 102. A linkage gear 104 is meshed and connected to the side of the driving gear 101. A fixed rotating rod 105 is embedded and installed inside the linkage gear 104. A mounting seat 106 is rotatably mounted on the bottom end of the fixed rotating rod 105. The side of the mounting seat 106 is fixedly installed on the surface of the filter box 6. An adapting through hole 107 is provided at the top of the mounting seat 106, and a fixed rotating opening 108 adapted to the fixed rotating rod 105 is provided on one side of the top of the mounting seat 106.

[0033] A fixed base 1093 is fixedly installed on the side of the mounting seat 106, and an arc-shaped slide groove 1094 is opened on the side of the fixed base 1093. A self-locking hole 1095 is formed in the middle of the arc-shaped slide groove 1094. The overall shape of the self-locking hole 1095 is circular, and layers of wear-resistant side plates 1096 are fixedly pasted on the inner walls of the left and right sides of the side of the self-locking hole 1095. The shape of the wear-resistant side plates 1096 is semicircular, and the inner wall surfaces of the wear-resistant side plates 1096 are smooth. The bottom end of the fixed slider 1092 extends to the inside of the arc-shaped slide groove 1094, and is slidably engaged with the arc-shaped slide groove 1094. The trajectory of the fixed slider 1092 is consistent with the rotation trajectory of the arc-shaped slide groove 1094. The two ends of the arc-shaped slide groove 1094 respectively pass through the upper and lower ends of the fixed base 1093, and the overall shape of the fixed base 1093 is a long strip.

[0034] For details, please refer to the attached manual Figure 5-8 A rubber pad 894 is embedded on the side of the fixed spring 893. The entire material of the rubber pad 894 is rubber material. The center of the rubber pad 894 is on the same horizontal line as the central axis of the fixed spring 893.

[0035] The specific implementation method is: the rubber pad 894 is made of rubber material as a whole, so that when the whole is in contact with the filter side plate 15, the degree of collision between the two can be reduced, while ensuring that the pressure of the fixed spring 893 on one side of the rubber pad 894 can be effectively transmitted to the surface of the filter side plate 15, thereby effectively fitting the rubber pad 894 to the outer surface of the filter side plate 15.

[0036] For details, please refer to the attached manual Figure 6-9 A fixed rotating disk 109 is fixedly sleeved on the side of the fixed rotating rod 105, a fixed side frame 1091 is inlaid on the side of the fixed rotating disk 109, a fixed sliding block 1092 is inlaid on the bottom end of the fixed side frame 1091, and the overall shape of the fixed sliding block 1092 is cylindrical.

[0037] The specific implementation method is: the overall shape of the fixed slider 1092 is cylindrical, so that when it slides inside the arc-shaped slide groove 1094, the friction between its side and the arc-shaped slide groove 1094 is small, thereby ensuring the smoothness of the movement of both, and further improving the flexibility of the fixed slider 1092. At the same time, it can ensure that when the fixed slider 1092 moves to the position of the self-locking hole 1095, it can contact with the wear-resistant side plates 1096 on both sides of the inner wall of the self-locking hole 1095, and squeeze the wear-resistant side plates 1096 on both sides, thereby ensuring that when the fixed slider 1092 moves to the inside of this position, it can achieve a self-locking effect.

[0038] Working principle of the present invention:

[0039] Step 1: First, the operator assembles the various components of the device normally, and then starts the device normally.

[0040] Step 2: First, the operator starts the oil cooler 1 normally. At this time, the cooling oil enters the filter box 6 through the oil delivery pipeline 9 at one end of the cooling component 11, and after being filtered through the multi-layer filter side panels 15 inside the filter box 6, it re-enters the interior of the cooling component 11 through the return oil pipeline 12 for repeated use. Then, after the filter side panel 15 has performed long-term filtering work, the filter side panel 15 can be directly removed from the embedding port 82 on the side of the side top panel 81 for replacement after cleaning. Subsequently, the fixing bolt 87 can be moved from the threaded hole 86 on one side of the side panel 85 toward one side of the fixing bracket 89, so that one end of the fixing bolt 87 is pressed against the surface of the fixing bracket 89, so that the fixing bracket 89 and the fixing rod 88 are slid to one side. At this time, the fixed curved rod 891 on the side of the fixing rod 88 will drive the connecting seat 892 and the fixing spring 89 on one side thereof. 3 and the rubber pad 894 move toward the surface of the filter side plate 15, thereby applying a lateral force to the filter side plate 15 as a whole, so that the fit between the filter side plate 15 and the side top plate 81 is better, and the fixing effect between the filter side plate 15 and the side top plate 81 is further ensured. At this time, the driving gear 101 is rotated by the fixed turning handle 103, so that it drives the linkage gear 104 to rotate synchronously, and then the fixed turntable 109 on the linkage gear 104 drives the fixed slider 1092 at its bottom to slide inside the arc-shaped slide groove 1094, which can ensure that when the fixed slider 1092 moves to the position of the self-locking hole 1095, it can contact with the wear-resistant side plates 1096 on both sides of the inner wall of the self-locking hole 1095, and squeeze the wear-resistant side plates 1096 on both sides, so as to ensure that the fixed slider 1092 achieves a self-locking effect as a whole. Finally, the device completes the process of replacing the filter side plate 15.

[0041] Step 3: First, the operator shuts down the device normally, then checks whether the fixation between the various components of the device is normal, and then replaces and repairs the aged and severely worn parts inside the device.

[0042] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0043] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0044] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An impurity filtering device for an oil cooler, comprising an oil cooler (1), a cover plate (2) being arranged at the top of the oil cooler (1), a mounting side plate (3) being detachably sleeved on the side of the oil cooler (1), a heat dissipation plate (4) being arranged on the surface of the mounting side plate (3), characterized in that: A bottom support plate (5) is fixedly mounted on one side of the inner wall of the oil cooler (1), a filter box (6) is arranged at the top of the bottom support plate (5), a protective cover plate (7) is placed at the top of the filter box (6), a mounting assembly (8) is fixedly mounted on the top of the filter box (6), an oil pipeline (9) is arranged in communication with the side of the filter box (6), a locking assembly (10) is fixedly mounted on one side of the mounting assembly (8), a cooling assembly (11) is arranged in communication with the other end of the oil pipeline (9), an oil return pipeline (12) is arranged in communication with the other end of the cooling assembly (11), a heat dissipation slot (13) is provided on the side of the cooling assembly (11), a fastener (14) is fixedly mounted on the bottom end of the bottom support plate (5), a filter side plate (15) is equidistantly mounted inside the filter box (6), and a mounting top plate (16) is fixedly mounted on the top of the filter side plate (15); The mounting assembly (8) comprises a side top plate (81), a side surface of the side top plate (81) being provided with an embedding opening (82) adapted to the filter side plate (15), and a top end of the side top plate (81) being fixedly connected to a fixing seat (83).

2. The impurity filtering device for an oil cooler according to claim 1, characterized in that: A sliding hole (84) is provided at the top of the fixing seat (83); a side panel (85) is fixedly mounted on the side of the side top plate (81); a threaded hole (86) is provided on one side of the side panel (85); a fixing bolt (87) is connected to the inner thread of the threaded hole (86).

3. The impurity filtering device for an oil cooler according to claim 2, characterized in that: The sliding hole (84) is internally slidably sleeved with a fixing rod (88), one side end of the fixing rod (88) is fixedly connected to a fixing support plate (89), the side surface of the fixing rod (88) is fixedly connected to a fixing curved rod (891), the other end of the fixing curved rod (891) is fixedly connected to a connecting seat (892), and the side surface of the connecting seat (892) is inlaid with a fixing spring (893).

4. The impurity filtering device for an oil cooler according to claim 3, characterized in that: A rubber pad (894) is inlaid and installed on the side of the fixed spring (893); the entire material of the rubber pad (894) is rubber material; the center of the rubber pad (894) and the center axis of the fixed spring (893) are located on the same horizontal line.

5. The impurity filtering device for an oil cooler according to claim 1, characterized in that: The locking assembly (10) comprises a driving gear (101), a fixed rotating shaft (102) being embedded and installed inside the driving gear (101), the fixed rotating shaft (102) penetrating the interior of the driving gear (101), a fixed turning handle (103) being fixedly sleeved on the end surface of the fixed rotating shaft (102), and a linkage gear (104) being meshedly connected to the side surface of the driving gear (101).

6. The impurity filtering device for an oil cooler according to claim 5, characterized in that: A fixed rotating rod (105) is embedded and installed inside the linkage gear (104), and a mounting seat (106) is rotatably sleeved on the bottom end of the fixed rotating rod (105). The side of the mounting seat (106) is fixedly mounted on the surface of the filter box (6), and an adapting through hole (107) is provided at the top end of the mounting seat (106). A fixed rotating opening (108) adapted to the fixed rotating rod (105) is provided on one side of the top end of the mounting seat (106).

7. The impurity filtering device for an oil cooler according to claim 6, characterized in that: A fixed rotating disk (109) is fixedly sleeved on the side of the fixed rotating rod (105), a fixed side frame (1091) is inlaid and connected on the side of the fixed rotating disk (109), a fixed sliding block (1092) is inlaid and connected at the bottom end of the fixed side frame (1091), and the overall shape of the fixed sliding block (1092) is cylindrical.

8. The impurity filtering device for an oil cooler according to claim 7, characterized in that: A fixed base (1093) is fixedly mounted on the side of the mounting seat (106); an arc-shaped slide groove (1094) is provided on the side of the fixed base (1093); a self-locking hole (1095) is integrally formed in the middle of the arc-shaped slide groove (1094); and the overall shape of the self-locking hole (1095) is circular.

9. The impurity filtering device for an oil cooler according to claim 8, characterized in that: Layers of wear-resistant side plates (1096) are fixedly attached to the inner walls on both sides of the side of the self-locking hole (1095). The wear-resistant side plates (1096) are in the shape of a semicircular arc. The inner wall surfaces of the wear-resistant side plates (1096) are smooth. The bottom end of the fixed slider (1092) extends to the inside of the arc-shaped slide groove (1094) and is slidably connected with the arc-shaped slide groove (1094). The trajectory of the fixed slider (1092) is consistent with the rotation trajectory of the arc-shaped slide groove (1094). The two ends of the arc-shaped slide groove (1094) respectively pass through the upper and lower ends of the fixed base (1093). The overall shape of the fixed base (1093) is a long strip.

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