Self-cleaning engine oil suction filter

Abstract

The utility model relates to the technical field of suction filters, and discloses a self-cleaning engine oil suction filter which comprises a self-cleaning mechanism, a height adjusting mechanism, an oil suction pipe and a connector, the oil suction pipe is arranged at the upper end of the self-cleaning mechanism, the connector is arranged at one end of the oil suction pipe, and the height adjusting mechanism is sleeved at one end of the outer wall of the oil suction pipe. The self-cleaning mechanism comprises an oil suction disc, and a disc opening is formed in the middle of the upper end face of the oil suction disc. According to the device disclosed by the utility model, the floating disc is pushed to float up and down by utilizing engine oil pressure change when an engine is started, and the spring telescopic rod connected with the floating disc drives the middle part of the filter screen to synchronously move, so that stable floating of the floating disc is ensured; the cleaning plate and the protruding abrasion lines of the cleaning plate which are rotationally connected are driven to move left and right, impurities of the filter screen are automatically scraped, the track of the cleaning plate is limited through an inserting rod, the cleaning efficiency is further improved, the self-cleaning function without manual intervention is achieved, and the practicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, and in particular to a self-cleaning oil filter. Background Technology

[0002] The oil strainer is the primary filtration device in the engine lubrication system. Located in the oil pan, it is connected to the oil pump via an oil suction pipe. Its core function is to filter large particulate impurities (such as metal shavings and carbon deposits) from the engine oil, preventing these impurities from entering the lubrication system and causing wear. Its structure typically includes a filter screen, a housing, and fixed components, and it comes in two types: floating (rising and falling with the oil level) and fixed.

[0003] However, most oil filters do not have a self-cleaning function. After prolonged use, a large amount of dirt and impurities tend to adhere to the filter screen and are difficult to remove on their own. Therefore, they need to be disassembled and cleaned frequently or replaced regularly. Otherwise, the excessive dirt and impurities on the filter screen will block the oil flow channels. In the case of poor oil flow, in the most serious case, the engine may burn oil or even burn out due to insufficient oil lubrication, which will affect the normal operation of the engine.

[0004] Therefore, those skilled in the art have provided a self-cleaning oil filter to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a self-cleaning oil filter. The device utilizes the pressure changes in oil flow during engine startup to drive a floating disc up and down. Simultaneously, a spring-loaded telescopic rod connected to the floating disc is connected to the center of the filter screen. The telescopic nature of the spring ensures the stable floating of the disc. Meanwhile, the first and second connecting rods slide back and forth within a groove as the disc moves up and down. A cleaning plate, rotatably connected to one end of the first and second connecting rods, also moves left and right accordingly. The raised abrasive grooves on the cleaning plate automatically scrape away impurities from the filter screen. Furthermore, a connecting rod limits the sliding trajectory of the cleaning plate, further improving cleaning efficiency, avoiding manual intervention, achieving self-cleaning, and thus enhancing the device's practicality.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A self-cleaning oil filter includes a self-cleaning mechanism, a height adjustment mechanism, an oil suction pipe, and a connection port. The self-cleaning mechanism has an oil suction pipe at its upper end, a connection port at one end of the suction pipe, and a height adjustment mechanism fitted onto one end of the outer wall of the suction pipe. The self-cleaning mechanism includes an oil suction disc with an opening at the center of its upper surface. A filter screen is installed inside the oil suction disc, and a spring telescopic rod is fixedly connected to the center of the lower surface of the filter screen. A floating disc is fixedly connected to the lower end of the spring telescopic rod. The floating disk has grooves at both ends of its upper surface, and fixed wheels are rotatably connected to one end of each groove. A first connecting rod is fixedly connected to one side of the outer wall of each of the two fixed wheels. A pulley is slidably connected to one side of the outer wall of each of the two grooves. A second connecting rod is fixedly connected to one end of each of the two pulleys. A cleaning plate is rotatably connected to one end of each of the first and second connecting rods. The upper surface of each of the two cleaning plates has a textured surface fixedly connected around its perimeter. A plug-in rod is fixedly connected to both ends of one side of each of the two cleaning plates.

[0008] Through the above technical solution, the device uses the pressure change of the oil flow when the engine starts to drive the floating disc to float up and down. At this time, the spring telescopic rod connected to the floating disc is also connected to the middle of the filter screen. The up and down extension of the spring telescopic rod can ensure the stable floating of the floating disc. At this time, the first connecting rod and the second connecting rod also slide back and forth in the slide groove while floating up and down. The cleaning plate, which is rotatably connected to one end of the first connecting rod and the second connecting rod, also moves left and right accordingly. The raised abrasive texture on it automatically scrapes away the impurities on the filter screen. In addition, the plug rod limits the trajectory of the cleaning plate's sliding, which further improves the cleaning efficiency, avoids manual intervention, realizes the self-cleaning of the device, and thus improves the practicality of the device.

[0009] Furthermore, the height adjustment mechanism includes a fixed plate, with sliding plates slidably connected to both sides of the outer wall of the fixed plate. Multiple positioning teeth are fixedly connected to both ends of one side end face of the sliding plates. A cover plate is rotatably connected to the middle of the upper part of one side end face of the fixed plate. A locking block is fixedly connected to the middle of both side end faces of the cover plate. A bolt is threadedly connected to the middle of the lower part of one side end face of the cover plate. A sleeve is fixedly connected to the lower part of one side end face of the fixed plate.

[0010] Through the above technical solution, the device uses the sliding plate threaded onto the engine cylinder block reinforcing plate as an adjustment base point. Then, the fixing plate is pulled to slide on one side of the outer wall of the sliding plate. Before this, the cover plate must be flipped open to release the locking of the fixing plate. When the fixing plate slides to the specified height, the cover plate is snapped off and the fixing plate is pulled down so that the locking block on the cover plate forms an interference fit with the adjacent positioning tooth. Then, the cover plate is completely fixed to the fixing plate with bolts. Finally, the oil suction pipe is installed in the sleeve, and the gravity of the oil suction pipe and other components is used to strengthen the connection between the locking block and the positioning tooth. This realizes the adjustment of the installation height of the oil suction pipe on the cylinder block reinforcing plate, reduces the installation stress risk of the filter, and improves the practicality of the device.

[0011] Furthermore, the two first links and the second link are both rotatably connected at their internal midpoints;

[0012] With the above technical solution, this setting allows both the first and second connecting rods to slide left and right in the groove as the floating disk floats.

[0013] Furthermore, both ends of the lower end face of the filter screen are slidably connected with plug rods, and each pair of plug rods is slidably connected to each other;

[0014] Through the above technical solution, the plug rod can limit the trajectory of the cleaning plate's sliding.

[0015] Furthermore, the diameter of the floating disk is smaller than the inner diameter of the oil suction disk;

[0016] The above technical solution allows the floating disk to float freely up and down within the oil suction plate.

[0017] Furthermore, an oil suction pipe is provided at one end of the dish opening;

[0018] The above technical solution allows the oil to be filtered through the oil suction pipe into the oil suction plate when the engine is started.

[0019] Furthermore, both of the aforementioned locking blocks form an interference fit with the middle of the upper end face of the positioning tooth, and the lower end of one side end face of the cover plate forms an interference fit with the lower end of one side end face of the fixing plate.

[0020] Through the above technical solution, this setting can strengthen the connection between the locking block and the positioning teeth when the components such as the oil suction pipe are suspended by gravity, and make the oil suction pipe better fixed.

[0021] Furthermore, one end of the bolt is threaded to the lower center of one side end face of the fixing plate;

[0022] Through the above technical solution, this setting enables the cover plate to be fixed to the fixing plate by bolts.

[0023] This utility model has the following beneficial effects:

[0024] 1. This utility model proposes a self-cleaning oil filter. When the engine starts, the pressure change of the oil flow drives the floating disc to float up and down. At this time, the spring telescopic rod connected to the floating disc is also connected to the middle of the filter screen. The up and down extension of the spring telescopic rod can ensure the stable floating of the floating disc. At this time, the first connecting rod and the second connecting rod also slide back and forth in the slide groove while floating up and down. The cleaning plate, which is rotatably connected to one end of the first connecting rod and the second connecting rod, also moves left and right. The raised grooves on the cleaning plate automatically scrape away the impurities on the filter screen. In addition, the plug rod limits the trajectory of the cleaning plate's sliding, which further improves the cleaning efficiency, avoids manual intervention, realizes the self-cleaning of the device, and thus improves the practicality of the device.

[0025] 2. This utility model proposes a self-cleaning oil filter. The device uses a sliding plate threaded onto the engine cylinder block reinforcing plate as an adjustment base point. Then, the fixing plate is pulled to slide on one side of the outer wall of the sliding plate. Before this, the cover plate must be opened to release the locking of the fixing plate. When the fixing plate slides to the specified height, the cover plate is snapped off and the fixing plate is pulled down so that the locking block on the cover plate forms an interference fit with the adjacent positioning tooth. Then, the cover plate is completely fixed to the fixing plate with bolts. Finally, the oil suction pipe is installed in the sleeve, and the weight of the oil suction pipe and other components is used to strengthen the connection between the locking block and the positioning tooth. This realizes the adjustment of the installation height of the oil suction pipe on the cylinder block reinforcing plate, reduces the installation stress risk of the filter, and improves the practicality of the device. Attached Figure Description

[0026] Figure 1 This is an isometric view of a self-cleaning oil filter proposed in this utility model;

[0027] Figure 2 This is a cross-sectional view of a self-cleaning oil filter proposed in this utility model;

[0028] Figure 3 This is a schematic diagram of the cleaning plate and floating plate of a self-cleaning oil filter proposed in this utility model;

[0029] Figure 4 This is a schematic diagram of the height adjustment mechanism of a self-cleaning oil filter proposed in this utility model;

[0030] Figure 5 This is a front sectional view of a self-cleaning oil filter proposed in this utility model.

[0031] Legend:

[0032] 1. Self-cleaning mechanism; 101. Oil suction tray; 102. Tray opening; 103. Filter screen; 104. Spring telescopic rod; 105. Floating disc; 106. Slide groove; 107. Fixed wheel; 108. First connecting rod; 109. Pulley; 110. Second connecting rod; 111. Cleaning plate; 112. Grinding texture; 113. Connecting rod; 2. Height adjustment mechanism; 201. Fixed plate; 202. Sliding plate; 203. Positioning tooth; 204. Cover plate; 205. Locking block; 206. Bolt; 207. Sleeve; 3. Oil suction pipe; 4. Connection port. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Reference Figure 1-3 One specific embodiment provided by this utility model:

[0035] A self-cleaning oil filter includes a self-cleaning mechanism 1, a height adjustment mechanism 2, an oil suction pipe 3, and a connection port 4. The upper end of the self-cleaning mechanism 1 is provided with the oil suction pipe 3, and one end of the oil suction pipe 3 is provided with the connection port 4. The height adjustment mechanism 2 is sleeved on one end of the outer wall of the oil suction pipe 3. The self-cleaning mechanism 1 includes an oil suction plate 101, with an opening 102 in the middle of the upper surface of the oil suction plate 101. A filter screen 103 is provided inside the oil suction plate 101, and a spring telescopic rod is fixedly connected to the middle of the lower surface of the filter screen 103. 104. A floating disk 105 is fixedly connected to the lower end of the spring telescopic rod 104. Both ends of the upper surface of the floating disk 105 are provided with sliding grooves 106. One end of each sliding groove 106 is rotatably connected to a fixed wheel 107. A first connecting rod 108 is fixedly connected to one side of the outer wall of each of the two fixed wheels 107. A pulley 109 is slidably connected to one side of the outer wall of each of the two sliding grooves 106. One end of each pulley 109 is fixedly connected to a second connecting rod 110. One end of each of the first connecting rods 108 and the second connecting rod 110 is rotatably connected to... The device is equipped with two cleaning plates 111. The upper surfaces of both cleaning plates 111 are fixedly connected with textured surfaces 112 around their perimeter. Two connecting rods 113 are fixedly connected to both ends of one side of each cleaning plate 111. When the engine starts, the pressure change of the oil flow pushes the floating disc 105 up and down. At this time, the spring telescopic rod 104 connected to the floating disc 105 is simultaneously connected to the middle of the filter screen 103. The up-and-down extension and retraction of the spring telescopic rod 104 ensures the stable floating of the floating disc 105. Meanwhile, the first connecting rod 108 and the second connecting rod 110 slide back and forth in the slide groove 106 while floating up and down. The cleaning plates 111, rotatably connected to one end of the first connecting rod 108 and the second connecting rod 110, also move left and right accordingly. The raised textured surfaces 112 on the cleaning plates automatically scrape away impurities from the filter screen. Furthermore, the connecting rods 113 limit the sliding trajectory of the cleaning plates 111, further improving cleaning efficiency, avoiding manual intervention, and achieving self-cleaning of the device, thereby enhancing its practicality.

[0036] Reference Figure 3-5The height adjustment mechanism 2 includes a fixed plate 201. Sliding plates 202 are slidably connected to both sides of the outer wall of the fixed plate 201. Multiple positioning teeth 203 are fixedly connected to both ends of one side end face of the sliding plates 202. A cover plate 204 is rotatably connected to the middle of the upper part of one side end face of the fixed plate 201. Locking blocks 205 are fixedly connected to the middle of both sides of the cover plate 204. A bolt 206 is threadedly connected to the middle of the lower end of one side end face of the cover plate 204. A sleeve 207 is fixedly connected to the lower end of one side end face of the fixed plate 201. The device uses the sliding plate 202 threadedly fixed to the cylinder block reinforcing plate of the engine as an adjustment base point. Then, the fixed plate 201 is pulled so that the fixed plate 201 is within the sliding plate 202. 02. Before sliding one side of the outer wall, the cover plate 204 must be flipped open to release the lock of the fixing plate 201. When the fixing plate 201 slides to the specified height, the cover plate 204 is snapped off and the fixing plate 201 is pulled down so that the locking block 205 on the cover plate 204 forms an interference fit with the adjacent positioning tooth 203. Then, the bolt 206 is used to completely fix the cover plate 204 to the fixing plate 201. Finally, the oil suction pipe 3 is installed in the sleeve 207 and the gravity of the oil suction pipe 3 and other components is used to strengthen the connection between the locking block 205 and the positioning tooth 203. This realizes the adjustment of the installation height of the oil suction pipe 3 on the cylinder block reinforcing plate, reduces the installation stress risk of the filter, and improves the practicality of the device.

[0037] The two first links 108 and the second link 110 are rotatably connected at their internal center, which allows both the first link 108 and the second link 110 to slide left and right in the slide groove 106 as the floating disk 105 floats.

[0038] Both ends of the lower end face of the filter screen 103 are slidably connected to the plug rods 113. Each pair of plug rods 113 are slidably connected to each other. The plug rods 113 can limit the trajectory of the cleaning plate 111.

[0039] The diameter of the floating disk 105 is smaller than the inner diameter of the oil suction disk 101. This arrangement allows the floating disk 105 to float freely up and down within the oil suction disk 101.

[0040] An oil suction pipe 3 is provided at one end of the disc 102, which allows oil to enter the oil suction disc 101 for filtration when the engine is started.

[0041] Both locking blocks 205 form an interference fit with the middle of the upper end face of the positioning tooth 203, and the lower end of one side end face of the cover plate 204 forms an interference fit with the lower end of one side end face of the fixing plate 201. This arrangement allows the gravity of components such as the oil suction pipe 3 when suspended to strengthen the connection between the locking blocks 205 and the positioning tooth 203 and to better fix the oil suction pipe 3.

[0042] One end of the bolt 206 is threaded to the lower middle part of one side end face of the fixing plate 201. This arrangement allows the cover plate 204 to be connected to the fixing plate 201 by the bolt 206 for fixation.

[0043] Working principle: When the engine starts, the pressure change of the oil flow pushes the floating disc 105 up and down. At the same time, the spring telescopic rod 104 connected to the floating disc 105 is connected to the middle of the filter screen 103. The up and down extension of the spring telescopic rod 104 ensures the stable floating of the floating disc 105. At the same time, the first connecting rod 108 and the second connecting rod 110 also slide back and forth in the slide groove 106 while floating up and down. The cleaning plate 111, which is rotatably connected to one end of the first connecting rod 108 and the second connecting rod 110, also moves left and right. The raised abrasive texture 112 on it automatically scrapes away the impurities on the filter screen. The connecting rod 113 tracks the sliding of the cleaning plate 111. The limiting device uses the sliding plate 202 threadedly fixed to the cylinder block reinforcing plate of the engine as the adjustment base point. Then, the fixed plate 201 is pulled to slide on one side of the outer wall of the sliding plate 202. Before this, the cover plate 204 must be opened to release the lock of the fixed plate 201. When the fixed plate 201 slides to the specified height, the cover plate 204 is snapped off and the fixed plate 201 is pulled down so that the locking block 205 on the cover plate 204 forms an interference fit with the adjacent positioning tooth 203. Then, the bolt 206 is used to completely fix the cover plate 204 to the fixed plate 201. Finally, the oil suction pipe 3 is installed in the sleeve 207 and the gravity of the oil suction pipe 3 and other components is used to strengthen the connection between the locking block 205 and the positioning tooth 203.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-cleaning oil collecting filter, comprising a self-cleaning mechanism (1), a height adjusting mechanism (2), an oil suction pipe (3) and a connecting port (4), characterized in that: The upper end of the self-cleaning mechanism (1) is provided with an oil suction pipe (3), one end of the oil suction pipe (3) is provided with a connecting port (4), one end of the outer wall of the oil suction pipe (3) is sleeved with a height adjusting mechanism (2), the self-cleaning mechanism (1) comprises an oil suction disc (101), the upper end surface of the oil suction disc (101) is provided with a disc opening (102) in the middle, the inside of the oil suction disc (101) is provided with a filter screen (103), the lower end surface of the filter screen (103) is fixedly connected with a spring telescopic rod (104) in the middle, the lower end of the spring telescopic rod (104) is fixedly connected with a floating disc (105), the upper end surface of the floating disc (105) is provided with a sliding groove (106) at both ends, one end of the two sliding grooves (106) is rotatably connected with a fixed wheel (107), the outer wall of the two fixed wheels (107) is fixedly connected with a first connecting rod (108) on one side, the outer wall of the two sliding grooves (106) is slidably connected with a pulley (109) on one side, one end of the two pulleys (109) is fixedly connected with a second connecting rod (110), one end of the two first connecting rods (108) and second connecting rods (110) is rotatably connected with a cleaning plate (111), the upper end surface of the two cleaning plates (111) is fixedly connected with a grinding line (112) around, one side end surface of the two cleaning plates (111) is fixedly connected with a plug-in rod (113) at both ends.

2. A self-cleaning oil collection filter according to claim 1, characterized in that: The height adjusting mechanism (2) comprises a fixed plate (201), the outer wall of the fixed plate (201) is slidably connected with a sliding plate (202) on both sides, the sliding plate (202) is fixedly connected with a plurality of positioning teeth (203) on one side end surface at both ends, the upper end of the one side end surface of the fixed plate (201) is rotatably connected with a cover plate (204), the both side end surfaces of the cover plate (204) are fixedly connected with a clamping block (205) in the middle, the lower end of the one side end surface of the cover plate (204) is threadedly connected with a bolt (206), the lower end of the one side end surface of the fixed plate (201) is fixedly connected with a sleeve (207).

3. A self-cleaning oil collection filter according to claim 1, wherein: The inside of the two first connecting rods (108) and second connecting rods (110) is rotatably connected in the middle.

4. The self-cleaning oil collection filter of claim 1, wherein: The lower end surface of the filter screen (103) is slidably connected with a plug-in rod (113) at both ends, and every two plug-in rods (113) are slidably connected with each other.

5. A self-cleaning oil collection filter according to claim 1, wherein: The diameter of the floating disc (105) is smaller than the inner diameter of the oil suction disc (101).

6. A self-cleaning oil collection filter according to claim 1, wherein: One end of the disc opening (102) is provided with an oil suction pipe (3).

7. A self-cleaning oil collection filter according to claim 2, wherein: The upper end surface of the two clamping blocks (205) is in interference fit with the middle of the fixed wheel (203), and the lower end of the one side end surface of the cover plate (204) is in interference fit with the lower end of the one side end surface of the fixed plate (201).

8. A self-cleaning oil collection filter according to claim 2, wherein: One end of the bolt (206) is threadedly connected with the lower end of the one side end surface of the fixed plate (201).

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