Integrated fuel filter
The integrated fuel filter addresses space and maintenance challenges by combining primary and fine filtration stages within a single device, enhancing ease of installation and reducing maintenance complexity while improving fuel efficiency.
Patent Information
- Application Number
- CN202420991052.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-05-09
AI Technical Summary
Existing fuel filters in vehicles require separate coarse and fine filtration stages, which are difficult to arrange due to space constraints and necessitate complex disassembly for simultaneous replacement, potentially causing damage and increased maintenance time.
An integrated fuel filter design combining a primary and fine filter element within a single device, utilizing a No. 1 shell and No. 2 shell configuration for easy installation and reduced disassembly, with features like mounting blocks, pressure regulating knobs, and detachable connections for efficient filtration and maintenance.
The integrated design reduces space requirements, simplifies maintenance, decreases the number of disassembled parts, and enhances fuel efficiency by shortening the filtration path, thereby reducing maintenance costs and complexity.
Smart Images

Figure CN222162799U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fuel filters, in particular to an integrated fuel filter. Background Art
[0002] The fuel pre-filter is set in the engine fuel supply system to filter out impurities, water and other pollutants in the fuel before inputting it into the fuel pump and injector. This avoids excessive wear or blockage of important components such as the fuel pump and injector, and ensures the normal operation of the engine. The popular fuel filters on the market generally include fine filtration and coarse filtration, and their combination methods generally include independent coarse filtration in series and independent fine filtration, and coarse filtration and fine filtration in parallel.
[0003] Due to the narrow space of the engine and the whole vehicle layout, the split fuel coarse filter and the fuel fine filter are not easy to arrange, and the fuel filter usually needs to be replaced regularly. However, replacing the fuel coarse filter and the fuel fine filter at the same time requires disassembling many parts of the vehicle, which is not only time-consuming but also may cause damage to the vehicle. In order to solve the shortcomings of the existing technology, we propose an integrated fuel filter. Utility Model Content
[0004] The main purpose of the utility model is to provide an integrated fuel filter, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] The integrated fuel filter comprises a No. 1 shell, wherein an oil filter top cover is arranged on the upper outer surface of the No. 1 shell, an oil inlet is arranged on the upper outer surface of the oil filter top cover, an oil delivery pipe is arranged on the upper outer surface of the oil inlet, a connecting pipe port is arranged on the front outer surface of the oil delivery pipe, an oil delivery hose is arranged on the lower outer surface of the connecting pipe port, a primary filter element is arranged inside the No. 1 shell, and the primary filter element is connected to the oil inlet, a No. 2 shell is arranged on the lower side of the No. 1 shell, a fine filter element is arranged inside the No. 2 shell, a base is arranged on the lower outer surface of the fine filter element, and the base is fixed to the bottom of the No. 2 shell, a connecting port is arranged on the upper outer surface of the fine filter element, and the connecting port is connected to the bottom of the primary filter element.
[0007] Preferably, a mounting block is provided on the outer surface of the upper end of the oil filter top cover, a pressure regulating knob is provided on the outer surface of the front end of the mounting block, the pressure regulating knob is connected to the oil pipeline, and two sets of fixing bolts are provided on the outer surface of the mounting block.
[0008] Preferably, a mounting ring is provided between the No. 1 shell and the No. 2 shell, a threaded mounting groove is provided on the upper outer surface of the No. 2 shell, the threaded mounting groove is connected to the inner wall of the mounting ring, a reinforcement ring is provided inside the mounting ring, the reinforcement ring is clamped to the bottom of the No. 1 shell, an oil delivery port is provided on the lower outer surface of the No. 2 shell, and an oil drain knob is provided on the lower outer surface of the No. 2 shell.
[0009] Preferably, an oil inlet is provided between the oil pipe and the primary filter element, and the oil pipe and the primary filter element are detachably connected via the oil inlet. A connecting pipe opening is provided between the oil pipe and the oil hose, and the oil pipe and the oil hose are detachably connected via the connecting pipe opening.
[0010] Preferably, an installation groove is provided between the primary filter element and the oil filter top cover, and the primary filter element and the oil filter top cover are detachably connected via the installation groove; a base is provided between the fine filter element and the No. 2 shell, and the fine filter element and the No. 2 shell are detachably connected via the base.
[0011] Preferably, a threaded mounting groove is provided between the No. 2 shell and the mounting ring, and the No. 2 shell and the mounting ring are detachably connected via the threaded mounting groove; a mounting ring is provided between the No. 1 shell and the No. 2 shell, and the No. 1 shell and the No. 2 shell are detachably connected via the mounting ring.
[0012] Beneficial Effects
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. In the utility model, the vehicle's engine oil can be fully filtered by providing the primary filter element and the fine filter element, and then transported for use. The primary filter element and the fine filter element are integrated and combined by using the No. 1 shell and the No. 2 shell of the filter, which reduces the space occupied by the filter at the engine and makes the device installation more convenient.
[0015] 2. In the present invention, two sets of filter elements are combined and connected by the first and second housings, and the internal installation structure makes the overall combination of the filter high, and the filter element is integrated into one device, which greatly reduces the complexity of replacement and maintenance. This design reduces the number of disassembled parts, reduces maintenance costs, shortens the transportation path of fuel, and improves fuel efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the primary filter element of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the fine filter element of the utility model;
[0019] Figure 4 It is a schematic diagram of the exploded structure of the filter body of the utility model.
[0020] In the figure: 1. Shell No. 1; 2. Shell No. 2; 3. Mounting collar; 4. Oil delivery port; 5. Oil drain knob; 6. Snap ring; 7. Oil filter top cover; 8. Mounting block; 9. Pressure regulating knob; 10. Oil delivery pipe; 11. Connecting pipe port; 12. Oil delivery hose; 13. Fixing bolt; 14. Oil inlet; 15. Primary filter element; 16. Fine filter element; 17. Connecting port; 18. Base; 19. Reinforcement collar; 20. Threaded mounting groove. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] Embodiment 1, as Figure 1-4 As shown, an integrated fuel filter is used. The filter combines and installs a primary filter element 15 and a fine filter element 16 through an integrated combination structure, thereby integrating multiple functions into one device, saving the space occupied by the filter at the engine. When in use, the integrated filter is installed at the front end of the vehicle engine and fixed by means of a mounting block 8. Oil can be transported to the inside of the filter through an oil pipe 10 at the upper end of the oil filter top cover 7. An oil hose 12 is connected to the connecting pipe port 11 at the front end of the oil pipe 10. The oil hose 12 is connected to the engine to transport fuel to the oil pipe 10. The oil pipe 10 is connected to the oil port 4, so that the fuel can be directly transported from the oil port 4 to the primary filter element 15 inside the No. 1 housing 1 for preliminary filtration. After the filtration is completed, the fuel is transported to the fine filter element 16 at the lower end through the connecting structure at the bottom for thorough filtration, and finally can be delivered through the oil port 4 at the bottom of the No. 2 housing 2 for energy supply.
[0023] Embodiment 2, as Figure 1-4As shown, the integrated fuel filter combines and connects two groups of filter elements by setting a No. 1 shell 1 and a No. 2 shell 2, and the primary filter element 15 is fixed to the inner side of the oil filter top cover 7 at the upper end of the No. 1 shell 1 through the installation groove. At the same time, the oil filter top cover 7 is installed to the upper end of the No. 1 shell 1 by using the clamping ring 6, so that the primary filter element 15 can be installed inside the No. 1 shell 1, and the fine filter element 16 is fixed to the inside of the No. 2 shell 2 through the base 18. A mounting collar 3 is provided between the No. 1 shell 1 and the No. 2 shell 2, and the No. 2 shell 2 can be fixed to the mounting collar 3 through the threaded mounting groove 20 at the upper end of the No. 2 shell 2, and the reinforcement collar 19 inside the mounting collar 3 can be connected to the lower end of the No. 1 shell 1. The No. 1 shell 1 and the No. 2 shell 2 can be combined by using the mounting collar 3, so as to connect the primary filter element 15 with the fine filter element 16. The overall combination degree of the filter is high through the internal mounting structure, and the filter element is integrated into one device, which greatly reduces the complexity of replacement and maintenance. This design reduces the number of disassembled parts, reduces maintenance costs, shortens the fuel transportation path, and improves fuel efficiency.
[0024] How it works
[0025] It should be noted that the utility model is an integrated fuel filter. When in use, the integrated filter is installed at the front end of the vehicle engine and fixed by using the mounting block 8. The oil can be transported to the inside of the filter through the oil pipe 10 at the upper end of the oil filter top cover 7. The connecting pipe port 11 at the front end of the oil pipe 10 is connected with an oil hose 12. The oil hose 12 is connected to the engine to transport the fuel to the oil pipe 10. The oil pipe 10 is connected to the oil port 4, so that the fuel can be directly transported from the oil port 4 to the primary filter element 15 inside the No. 1 housing 1 for preliminary filtration. After the filtration is completed, the fuel is transported to the fine filter element 16 at the lower end through the connecting structure at the bottom for thorough filtration. Finally, it can be sent out through the oil port 4 at the bottom of the No. 2 housing 2 for energy supply. The No. 1 shell 1 and the No. 2 shell 2 are arranged to combine and connect the two groups of filter elements. The primary filter element 15 is fixed to the inner side of the oil filter top cover 7 at the upper end of the No. 1 shell 1 through the installation groove. At the same time, the oil filter top cover 7 is installed to the upper end of the No. 1 shell 1 by using the clamping ring 6, so that the primary filter element 15 can be installed inside the No. 1 shell 1, and the fine filter element 16 is fixed to the inside of the No. 2 shell 2 through the base 18. A mounting ring 3 is provided between the No. 1 shell 1 and the No. 2 shell 2. The No. 2 shell 2 can be fixed to the mounting ring 3 through the threaded mounting groove 20 at the upper end of the No. 2 shell 2. The reinforcement ring 19 inside the mounting ring 3 can be connected to the lower end of the No. 1 shell 1. The No. 1 shell 1 and the No. 2 shell 2 can be combined by using the mounting ring 3, so that the primary filter element 15 is connected to the fine filter element 16.
[0026] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. An integrated fuel filter, comprising a housing (1), characterized in that: The outer surface of the upper end of the No. 1 shell (1) is provided with an oil filter top cover (7), the outer surface of the upper end of the oil filter top cover (7) is provided with an oil inlet (14), the outer surface of the upper end of the oil inlet (14) is provided with an oil delivery pipe (10), the outer surface of the front end of the oil delivery pipe (10) is provided with a connecting pipe opening (11), the outer surface of the lower end of the connecting pipe opening (11) is provided with an oil delivery hose (12), the interior of the No. 1 shell (1) is provided with a primary filter element (15), the primary filter The filter element (15) is connected to the oil inlet (14), the second housing (2) is provided on the lower side of the first housing (1), a fine filter element (16) is provided inside the second housing (2), a base (18) is provided on the outer surface of the lower end of the fine filter element (16), the base (18) is fixed to the bottom of the second housing (2), and a connecting port (17) is provided on the outer surface of the upper end of the fine filter element (16), and the connecting port (17) is connected to the bottom of the primary filter element (15).
2. The integrated fuel filter according to claim 1, characterized in that: The upper outer surface of the oil filter top cover (7) is provided with a mounting block (8), the front outer surface of the mounting block (8) is provided with a pressure regulating knob (9), the pressure regulating knob (9) is connected to the oil delivery pipe (10), and the outer surface of the mounting block (8) is provided with two groups of fixing bolts (13).
3. The integrated fuel filter according to claim 1, characterized in that: A mounting collar (3) is provided between the No. 1 shell (1) and the No. 2 shell (2), a threaded mounting groove (20) is provided on the outer surface of the upper end of the No. 2 shell (2), the threaded mounting groove (20) is connected to the inner wall of the mounting collar (3), a reinforcement collar (19) is provided inside the mounting collar (3), the reinforcement collar (19) is snap-connected to the bottom of the No. 1 shell (1), an oil delivery port (4) is provided on the outer surface of the lower end of the No. 2 shell (2), and an oil drain knob (5) is provided on the outer surface of the lower end of the No. 2 shell (2).
4. The integrated fuel filter according to claim 1, characterized in that: An oil inlet (14) is provided between the oil delivery pipe (10) and the primary filter element (15), and the oil delivery pipe (10) and the primary filter element (15) are detachably connected via the oil inlet (14). A connecting pipe opening (11) is provided between the oil delivery pipe (10) and the oil delivery hose (12), and the oil delivery pipe (10) and the oil delivery hose (12) are detachably connected via the connecting pipe opening (11).
5. The integrated fuel filter according to claim 1, characterized in that: A mounting groove is provided between the primary filter element (15) and the oil filter top cover (7), and the primary filter element (15) and the oil filter top cover (7) are detachably connected via the mounting groove. A base (18) is provided between the fine filter element (16) and the second housing (2), and the fine filter element (16) and the second housing (2) are detachably connected via the base (18).
6. The integrated fuel filter according to claim 3, characterized in that: A threaded mounting groove (20) is provided between the second housing (2) and the mounting collar (3); the second housing (2) and the mounting collar (3) are detachably connected via the threaded mounting groove (20); and the first housing (1) and the second housing (2) are detachably connected via the mounting collar (3).
