Automobile filter with filter element convenient to replace

Abstract

The utility model relates to the field of automobile filters, and discloses an automobile filter convenient to replace a filter element, which comprises a shell, an oil inlet is arranged at the bottom of the shell, an oil outlet is arranged at the center of the bottom of the shell, a clamping groove is arranged at the top end of the outer wall of the shell, and a limiting groove is arranged at the top end of the outer wall of the shell. A paper core is slidably connected to the inner wall of the shell, filtering holes are formed in the inner wall of the paper core, a sliding rod is fixedly connected to the outer wall of a stand column on the top of the paper core, a top cover is slidably connected to the top end of the outer wall of the shell, and a limiting assembly is arranged on the outer wall of the top cover. According to the engine oil filter, the clamping groove, the limiting groove, the top cover, the clamping block, the limiting frame, the limiting block and the limiting rod are arranged, when the filter element needs to be disassembled and replaced, limiting is relieved by manually drawing the limiting rod, the top cover is rotated to drive the clamping block to slide to the L-shaped opening along the clamping groove, the top cover is moved upwards, and the engine oil filter is opened, so that the filter is rapidly disassembled without the help of an external tool; the filter element is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the field of automobile filters, in particular to an automobile filter which is convenient for replacing a filter element. Background Art

[0002] Automobile filters include oil filters, gasoline filters, air filters, and air conditioning filters. The oil filter is located in the engine lubrication system and is an indispensable part of the normal operation of the engine. Its upstream is the oil pump and its downstream is all parts of the engine that need lubrication. The main function of the oil filter is to filter out harmful impurities in the oil in the oil pan and supply clean oil to the crankshaft, connecting rod, camshaft, supercharger, piston ring and other moving parts for lubrication, cooling and cleaning, thereby extending the service life of these parts.

[0003] Existing automotive oil filters usually use split filters, in which the filter element is fixed in a housing through multiple components to form a complete filter, and then the filter as a whole is installed on the automobile engine by rotating the bottom oil outlet thread to reach a fixed torque.

[0004] Once the existing split filter element is damaged or blocked, the entire filter needs to be disassembled, and even specific tools are required. The filter element cannot be quickly removed and replaced, and the operation is too cumbersome, which increases the difficulty and time cost of replacement. Therefore, an automobile filter that is easy to replace the filter element is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an automobile filter with an easy-to-replace filter element, aiming to improve the problem in the prior art that the filter element cannot be quickly removed and replaced.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automobile filter which is easy to replace the filter element, comprising a shell, an oil inlet is provided at the bottom of the shell, an oil outlet is provided at the center of the bottom of the shell, a card slot is provided at the top of the outer wall of the shell, a limiting slot is provided at the top of the outer wall of the shell, a paper core is slidably connected to the inner wall of the shell, a filter hole is provided on the inner wall of the paper core, a sliding rod is fixedly connected to the outer wall of the top column of the paper core, a top cover is slidably connected to the top of the outer wall of the shell, a limiting assembly is provided on the outer wall of the top cover, a quick-connect assembly is provided on the inner wall of the top cover, a card block is fixedly connected to the inner wall of the top cover, and a partition is fixedly connected to the bottom of the inner wall of the shell.

[0007] As a further description of the above technical solution: the quick-connect assembly includes a quick-connect frame, the top of the quick-connect frame is fixedly connected to the top of the inner wall of the top cover, the outer wall of the quick-connect frame is provided with a slide groove, and the quick-connect frame is elastically connected to a compression plate through a compression spring.

[0008] As a further description of the above technical solution: the limit assembly includes a limit frame, the end of the outer wall of the limit frame is fixedly connected to the outer wall of the top cover, the inner wall of the limit frame is elastically connected to the limit block through a limit spring, and the inner outer wall of the limit block is fixedly connected to the limit rod.

[0009] As a further description of the above technical solution: the outer wall of the sliding rod slides on the inner wall of the sliding groove, the outer wall of the top column of the paper core is slidably connected to the inner wall of the quick-connect frame, the outer wall of the card block is slidably connected to the inner wall of the card groove, and the inner wall of the paper core is slidably connected to the inner wall of the partition.

[0010] As a further description of the above technical solution: one end of the compression spring is fixedly connected to the top of the inner wall of the top cover, and the other end of the compression spring is fixedly connected to the top of the outer wall of the compression plate.

[0011] As a further description of the above technical solution: the outer wall of the compression plate is slidably connected to the inner wall of the quick-connect frame, and the compression plate is in contact with the top column of the paper core.

[0012] As a further description of the above technical solution: one end of the limit spring is fixedly connected to the inner wall of the limit frame, and the other end of the limit spring is fixedly connected to the inner outer wall of the limit block.

[0013] As a further description of the above technical solution: the outer end of the outer wall of the limit block is clamped on the inner wall of the limit groove, the outer wall of the limit block passes through and is slidably connected to the inner wall of the outer surface of the top cover, and the outer wall of the limit rod passes through and is slidably connected to the inner wall of the limit frame.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, by arranging the card slot, the limit slot, the top cover, the card block, the limit frame, the limit block and the limit rod, when the filter element needs to be disassembled and replaced, the limit is released by manually pulling the limit rod, and then the top cover is rotated to drive the card block to slide along the card slot to the L-shaped opening, and then the top cover is moved up to open the oil filter, so that the filter can be quickly disassembled without the help of external tools, which is convenient for replacing the filter element.

[0016] 2. In the utility model, by arranging a sliding rod, a sliding groove, a compression spring, a compression plate, and a paper core, when disassembling and assembling the filter element, the top cover is removed by the limit assembly to drive the paper core to be disassembled, and then the paper core is manually rotated to drive the sliding rod to slide out along the sliding groove, and then the top sliding rod of the new paper core is slid into the sliding groove. At the same time, the opposing extrusion force between the compression spring and the top cover prevents the paper core from falling off due to external force, thereby realizing rapid disassembly and assembly of the filter element and reducing the difficulty and time cost of replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a three-dimensional schematic diagram of a housing of an automobile filter that is convenient for replacing a filter element, as proposed by the utility model;

[0018] Figure 2 This is a cutaway perspective schematic diagram of a top cover of an automobile filter that is convenient for replacing a filter element, as proposed by the utility model;

[0019] Figure 3 This is a three-dimensional schematic cross-sectional view of a paper core of an automobile filter that is easy to replace the filter core, as proposed by the utility model;

[0020] Figure 4 The utility model provides an automobile filter that is easy to replace the filter element Figure 2 The enlarged three-dimensional schematic diagram of part A in the middle;

[0021] Figure 5 This is a sectional three-dimensional schematic diagram of a limit frame of an automobile filter that is convenient for replacing a filter element, as proposed by the utility model;

[0022] Figure 6 The utility model provides an automobile filter that is easy to replace the filter element Figure 5 Part B in the middle is an enlarged three-dimensional schematic diagram.

[0023] Legend:

[0024] 1. Shell; 2. Oil inlet; 3. Oil outlet; 4. Slot; 5. Limiting slot; 6. Paper core; 7. Filter hole; 8. Slide rod; 9. Top cover; 10. Block; 11. Quick-connect frame; 12. Slide groove; 13. Compression spring; 14. Compression plate; 15. Limiting frame; 16. Limiting spring; 17. Limiting block; 18. Limiting rod; 19. Partition. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 3The utility model provides an embodiment: an automobile filter that is easy to replace the filter element, including a shell 1, an oil inlet 2 is opened at the bottom of the shell 1, and the oil inlet 2 is provided with six groups. The engine oil inside the engine enters the shell 1 through the oil inlet 2 for filtration. An oil outlet 3 is opened at the center of the bottom of the shell 1, and the oil outlet 3 is provided with an internal thread, which can be connected to the engine through the oil outlet 3 thread, and the shell 1 can also be fixedly connected to the engine. A card slot 4 is opened at the top of the outer wall of the shell 1, and the card slot 4 is provided with an L-shaped opening for clamping the card block 10 to vertically fix the top cover 9. A limiting groove 5 is opened at the top of the outer wall of the shell 1, and the limiting groove 5 is set in a shape corresponding to the limiting block 17. The top cover 9 is horizontally fixed by clamping the limiting block 17. A paper core 6 is slidably connected to the inner wall of the shell 1. The paper core 6 is a prior art and will not be described in detail. It is used to filter harmful impurities in the engine oil. The inner wall of the paper core 6 is opened with a filter hole 7 , the filter hole 7 is used to output the filtered oil from the filter hole 7 to the oil outlet 3, the outer wall of the top column of the paper core 6 is fixedly connected with a slide bar 8, and the slide bar 8 is used to clamp the quick-connect assembly to fix the paper core 6, and the top of the outer wall of the shell 1 is slidably connected with a top cover 9, the outer wall of the top cover 9 is provided with a limiting assembly, and the inner wall of the top cover 9 is provided with a quick-connect assembly. The inner wall of the top cover 9 is fixedly connected with a clamping block 10, and the clamping block 10 is provided with four opposing groups for clamping the top cover 9 with the clamping slot 4. The bottom of the inner wall of the shell 1 is fixedly connected with a partition 19, and the partition 19 is set to the same inner diameter as the oil outlet 3, and is used to prevent the oil from being directly output to the oil outlet 3 from the gap between the paper core 6 and the shell 1, and slides from the outer wall of the slide bar 8 on the inner wall of the slide groove 12, the outer wall of the top column of the paper core 6 is slidably connected to the inner wall of the quick-connect frame 11, the outer wall of the clamping block 10 is slidably connected to the inner wall of the clamping slot 4, and the inner wall of the paper core 6 is slidably connected to the inner wall of the partition 19.

[0027] Reference Figure 2-Figure 4 The quick-connect assembly includes a quick-connect frame 11, a baffle is arranged at the bottom of the quick-connect frame 11 for blocking oil overflow, the top of the quick-connect frame 11 is fixedly connected to the top of the inner wall of the top cover 9, and a slide groove 12 is opened on the outer wall of the quick-connect frame 11. The slide groove 12 is provided with an L-shaped arc groove for clamping the slide rod 8 to vertically fix the paper core 6, and the quick-connect frame 11 is elastically connected with a compression plate 14 through a compression spring 13. The compression plate 14 is used to press the paper core 6 down so that the slide rod 8 is always located at the bottom of the slide groove 12, one end of the compression spring 13 is fixedly connected to the top of the inner wall of the top cover 9, and the other end of the compression spring 13 is fixedly connected to the top of the outer wall of the compression plate 14. Through the opposing extrusion force between the compression spring 13 and the top cover 9, the compression plate 14 always keeps in contact with the paper core 6 without being affected by external force, so that the paper core 6 will not rotate due to external force, causing the paper core 6 to fall off, and the outer wall of the compression plate 14 is slidably connected to the inner wall of the quick-connect frame 11, and the compression plate 14 contacts the top column of the paper core 6.

[0028] Reference Figure 5-Figure 6The limit assembly includes a limit frame 15, the end of the outer wall of the limit frame 15 is fixedly connected to the outer wall of the top cover 9, the inner wall of the limit frame 15 is elastically connected to the limit block 17 through the limit spring 16, and the clamping end of the limit block 17 is provided with a bottom inclined surface, which is used to clamp the limit groove 5 after the limit block 17 is compressed and rebounds when the top cover 9 is installed. The inner and outer walls of the limit block 17 are fixedly connected to the limit rod 18, and the limit rod 18 is used for manual contact limit. By manually pulling the limit rod 18, the limit block 17 is driven to disengage from the limit groove 5 to release the limit, and the limit spring One end of the spring 16 is fixedly connected to the inner wall of the limit frame 15, and the other end of the limit spring 16 is fixedly connected to the inner outer wall of the limit block 17. Through the opposite extrusion force between the limit spring 16 and the limit frame 15, the limit block 17 is always clamped on the inner wall of the limit groove 5 without being affected by external force. The outer end of the outer wall of the limit block 17 is clamped on the inner wall of the limit groove 5, the outer wall of the limit block 17 passes through and is slidably connected to the inner wall of the outer surface of the top cover 9, and the outer wall of the limit rod 18 passes through and is slidably connected to the inner wall of the limit frame 15.

[0029] Working principle: When it is necessary to disassemble the filter and replace the paper core 6, manually pull the limit rod 18 to drive the limit block 17 to disengage from the limit groove 5 to release the limit, then rotate the top cover 9 to drive the card block 10 to slide along the card groove 4 to the L-shaped opening, and then move the top cover 9 upward to open the oil filter, so as to realize rapid disassembly of the filter, facilitate the subsequent replacement of the paper core 6, shorten the operation time of opening with the help of special tools using a large torque, and reduce time cost.

[0030] When disassembling and assembling the paper core 6, the limit rod 18 is manually pulled out to drive the limit block 17 to disengage from the limit groove 5 to release the limit, and then the top cover 9 is rotated to drive the card block 10 to slide along the card groove 4 to the L-shaped opening, and then the top cover 9 is moved up to open the oil filter, and the paper core 6 is driven by the top cover 9 to follow and detach from the shell 1, and then the paper core 6 is manually rotated to drive the slide bar 8 to slide out along the slide groove 12 to complete the disassembly, and then the top slide bar 8 of the new paper core 6 is slid into the slide groove 12, and the slide bar 8 is slid to the bottom of the inclined surface of the slide groove 12 to complete the installation. At the same time, the compression plate 14 is always kept in contact with the paper core 6 through the opposing extrusion force between the compression spring 13 and the top cover 9, and a certain downward pressure is applied to the paper core 6 through the compression plate 14, so that the slide bar 8 is always located at the bottom end of the inclined surface of the slide groove 12 without being affected by external force, so that the paper core 6 will not rotate due to the influence of external force, so as to avoid the paper core 6 falling and being unable to filter oil impurities.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 automobile filter for facilitating replacement of a filter element, comprising a housing (1), characterized in that: The bottom of the shell (1) is provided with an oil inlet (2), the center of the bottom of the shell (1) is provided with an oil outlet (3), the top of the outer wall of the shell (1) is provided with a card slot (4), the top of the outer wall of the shell (1) is provided with a limit slot (5), the inner wall of the shell (1) is slidably connected to a paper core (6), the inner wall of the paper core (6) is provided with a filter hole (7), the outer wall of the top column of the paper core (6) is fixedly connected to a slide bar (8), the top of the outer wall of the shell (1) is slidably connected to a top cover (9), the outer wall of the top cover (9) is provided with a limit assembly, the inner wall of the top cover (9) is provided with a quick-connect assembly, the inner wall of the top cover (9) is fixedly connected to a card block (10), and the bottom of the inner wall of the shell (1) is fixedly connected to a partition plate (19).

2. The automobile filter for easy replacement of filter element according to claim 1, characterized in that: The quick-connect assembly comprises a quick-connect frame (11), the top of the quick-connect frame (11) is fixedly connected to the top of the inner wall of the top cover (9), the outer wall of the quick-connect frame (11) is provided with a slide groove (12), and the quick-connect frame (11) is elastically connected to a compression plate (14) via a compression spring (13).

3. The automobile filter for easy replacement of filter element according to claim 1, characterized in that: The limit assembly comprises a limit frame (15), the outer wall end of the limit frame (15) is fixedly connected to the outer wall of the top cover (9), the inner wall of the limit frame (15) is elastically connected to the limit block (17) via a limit spring (16), and the inner outer wall of the limit block (17) is fixedly connected to the limit rod (18).

4. The automobile filter for easy replacement of filter element according to claim 1, characterized in that: The outer wall of the slide rod (8) slides on the inner wall of the slide groove (12), the outer wall of the top column of the paper core (6) is slidably connected to the inner wall of the quick-connect frame (11), the outer wall of the card block (10) is slidably connected to the inner wall of the card groove (4), and the inner wall of the paper core (6) is slidably connected to the inner wall of the partition (19).

5. The automobile filter for easy replacement of filter element according to claim 2, characterized in that: One end of the compression spring (13) is fixedly connected to the top of the inner wall of the top cover (9), and the other end of the compression spring (13) is fixedly connected to the top of the outer wall of the compression plate (14).

6. The automobile filter for easy replacement of filter element according to claim 2, characterized in that: The outer wall of the compression plate (14) is slidably connected to the inner wall of the quick-connect frame (11), and the compression plate (14) is in contact with the top column of the paper core (6).

7. The automobile filter for easy replacement of filter element according to claim 3, characterized in that: One end of the limit spring (16) is fixedly connected to the inner wall of the limit frame (15), and the other end of the limit spring (16) is fixedly connected to the inner outer wall of the limit block (17).

8. The automobile filter for easy replacement of filter element according to claim 3, characterized in that: The outer end of the outer wall of the limit block (17) is clamped on the inner wall of the limit groove (5), the outer wall of the limit block (17) passes through and is slidably connected to the inner wall of the outer surface of the top cover (9), and the outer wall of the limit rod (18) passes through and is slidably connected to the inner wall of the limit frame (15).

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