Oil supply device for oil pipe of engine

Abstract

The utility model relates to the technical field of engine oil supply, and particularly discloses an engine oil pipe oil supply device which comprises an oil tank, an oil outlet pipe, an oil rail oil supply pipe and an engine oil rail, one end of the oil tank is connected with the oil outlet pipe, one end of the oil outlet pipe is connected with the oil rail oil supply pipe through an oil return connecting piece, and the oil rail oil supply pipe is connected with the engine oil rail. A gasoline pump is arranged in the oil tank, one end of the oil return connecting piece is connected with an oil return pipe, and one end of the oil return pipe is connected with the oil tank through a mounting piece; according to the utility model, oil supply and oil return can be realized at the same time; the oil return pipe is connected to the oil tank through the three-way pipe, so that oil return is realized; during working, the gasoline pump in the oil tank pumps gasoline to an engine oil rail, the arranged oil return pipe returns the gasoline to the oil tank, the oil return valve is arranged on the oil return pipe, when the pressure exceeds 400 Kpa, the oil return valve is opened, redundant gasoline returns to the interior of the oil tank, and then it is guaranteed that the oil pressure of 400 Kpa exists on the engine oil rail.

Description

Technical Field

[0001] The utility model belongs to the technical field of engine fuel supply, and particularly relates to an engine oil pipe fuel supply device. Background Technique

[0002] When traditional E3T10 gasoline engines supply fuel, most of them adopt electronic fuel injection technology. The E3T10 engine is a three-cylinder engine, and an oil pressure of 400 Kpa is required on the oil rail to ensure engine fuel injection and engine power. Most of the existing technologies do not set up a return pipe, or only return oil on the engine oil rail, which is likely to cause unstable oil rail oil pressure, resulting in an increase in the cost of the oil rail and being inconvenient to use. Content of the Utility Model

[0003] The purpose of the utility model is to provide an engine oil pipe fuel supply device to solve the problems put forward in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] An engine oil pipe fuel supply device, comprising:

[0006] A fuel tank, an outlet pipe, an oil rail supply pipe and an engine oil rail. One end of the fuel tank is connected to the outlet pipe. One end of the outlet pipe is connected to the oil rail supply pipe through a return oil connector. The oil rail supply pipe is connected to the engine oil rail. A gasoline pump is arranged inside the fuel tank. The arranged gasoline pump can make the gasoline inside the fuel tank flow to the engine oil rail successively through the outlet pipe, the return oil assembly and the oil rail supply pipe, which is beneficial to fuel injection. One end of the return oil connector is connected to a return pipe, and one end of the return pipe is connected to the fuel tank through a mounting part.

[0007] Preferably, the return oil connector is set as a three-way pipe. The first pipe orifice of the arranged three-way pipe is connected to the outlet pipe in a communicating way. The second pipe orifice of the arranged three-way pipe is connected to the oil rail supply pipe in a communicating way. The third pipe orifice of the arranged three-way pipe is connected to the return pipe in a communicating way, so that the oil rail supply pipe can be respectively connected to the outlet pipe and the return pipe in a communicating way, which is beneficial to the excess gasoline on the engine oil rail to flow back to the inside of the fuel tank through the return pipe and is beneficial to ensuring that the oil pressure of the engine oil rail reaches 400 Kpa.

[0008] The return oil connector can also be set as other multi-way pipes, which can be used to realize the communication between the outlet pipe, the oil rail supply pipe and the return pipe, and is beneficial to realizing the flow-back of the excess gasoline to the inside of the fuel tank and ensuring stable oil pressure.

[0009] Preferably, a return oil valve is installed on the return pipe. When the pressure exceeds 400 Kpa, the arranged return oil valve is opened, and then oil is returned to the fuel tank to ensure that there is an oil pressure of 400 Kpa on the engine oil rail, and then ensure engine fuel injection.

[0010] Preferably, the oil return valve is set as a one-way valve, which is beneficial to the one-way flow of gasoline, facilitates the return of gasoline to the fuel tank through the oil return pipe, and can ensure the stability of the engine oil rail oil pressure.

[0011] Preferably, the mounting member includes a mounting plate and a fastening member. One side of the mounting plate is connected to the oil return pipe. A through hole one is formed inside the mounting plate, which is beneficial for the gasoline inside the oil return pipe to flow back to the fuel tank through the through hole. The fastening member is mounted on the mounting plate, and the fastening member is set as a bolt, which is beneficial for mounting the mounting plate to the fuel tank, and when the fastening member is disassembled, it is also beneficial for the installation and disassembly of the mounting plate.

[0012] Preferably, the mounting member further includes a connecting plate and a filtering member. A placing groove is formed on the side of the mounting plate away from the oil return pipe. The connecting plate is mounted inside the placing groove. A through hole two is formed inside the connecting plate. A filtering member is arranged on one side of the connecting plate close to the through hole two, which can filter the returned gasoline and reduce impurities in the gasoline, etc. One end of the filtering member extends into the oil return pipe. During installation, by mounting the connecting plate on one side of the filtering member inside the placing groove of the mounting plate and mounting one end of the filtering member inside the oil return pipe, the filtering member and the connecting plate can be installed and fixed while the mounting plate is being installed. When the filtering member needs to be disassembled and cleaned, the mounting plate can be disassembled to achieve the disassembly of the filtering member.

[0013] Preferably, the filtering member is set as a gasoline filter element, which can filter impurities in the gasoline.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] The present utility model can supply oil and return oil at the same time to ensure the stability of the oil pressure; by using a tee pipe to connect the oil return pipe to the fuel tank to achieve oil return and ensure that the engine oil rail oil pressure reaches 400 Kpa; when working, the gasoline pump inside the fuel tank pumps oil to the engine oil rail, and the provided oil return pipe returns oil to the fuel tank. An oil return valve is arranged on the oil return pipe. When the pressure exceeds 400 Kpa, the oil return valve is opened, and the excess gasoline returns to the fuel tank, thereby ensuring that there is an oil pressure of 400 Kpa on the engine oil rail to ensure engine fuel injection. The provided gasoline filter element can filter the returned gasoline, and the provided mounting plate is beneficial for the installation and fixation of the gasoline filter element, which is convenient for installation and disassembly and beneficial for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2Schematic diagram of the installation of the mounting plate of the present utility model;

[0018] Figure 3 Partial schematic diagram of the mounting plate of the present utility model;

[0019] Figure 4 Enlarged schematic diagram of the connecting plate of the present utility model;

[0020] In the figure: 1, fuel tank; 2, tee pipe; 3, outlet oil pipe; 4, return oil pipe; 41, mounting plate; 42, placement groove; 43, connecting plate; 44, gasoline filter element; 45, fastener; 5, fuel rail supply pipe; 6, engine fuel rail. Specific implementation manner

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Embodiment:

[0023] Please refer to Figures 1-4 As shown, an engine oil pipe fuel supply device includes:

[0024] A fuel tank 1, an outlet oil pipe 3, a fuel rail supply pipe 5 and an engine fuel rail 6. One end of the fuel tank 1 is connected to the outlet oil pipe 3. One end of the outlet oil pipe 3 is connected to the fuel rail supply pipe 5 through a return oil connector. The fuel rail supply pipe 5 is connected to the engine fuel rail 6. A gasoline pump is arranged inside the fuel tank 1. The arranged gasoline pump can make the gasoline inside the fuel tank 1 flow to the engine fuel rail 6 successively through the outlet oil pipe 3, the return oil assembly and the fuel rail supply pipe 5, which is beneficial to fuel injection. One end of the return oil connector is connected to a return oil pipe 4. One end of the return oil pipe 4 is connected to the fuel tank 1 through a mounting member.

[0025] Refer to Figures 1-4 As shown, the return oil connector is set as a tee pipe 2. The first pipe orifice of the arranged tee pipe 2 is communicated with the outlet oil pipe 3. The second pipe orifice of the arranged tee pipe 2 is communicated with the fuel rail supply pipe 5. The third pipe orifice of the arranged tee pipe 2 is communicated with the return oil pipe 4, so that the fuel rail supply pipe 5 can be respectively communicated with the outlet oil pipe 3 and the return oil pipe 4, which is beneficial to the excess gasoline on the engine fuel rail 6 to flow back to the inside of the fuel tank 1 through the return oil pipe 4, and is beneficial to ensuring that the oil pressure of the engine fuel rail 6 reaches 400 Kpa.

[0026] Further, the oil return connector can also be set as other multi-way pipes, which can be used to connect the oil outlet pipe 3, the oil rail supply pipe 5 and the oil return pipe 4, facilitating the return of excess gasoline to the inside of the fuel tank 1 and ensuring stable oil pressure.

[0027] Refer to Figures 1-4 As shown, an oil return valve is installed on the oil return pipe 4. When the pressure exceeds 400 Kpa, the set oil return valve is opened, and then oil is returned to the fuel tank 1 to ensure that there is an oil pressure of 400 Kpa on the engine oil rail 6, thereby ensuring engine fuel injection.

[0028] Refer to Figures 1-4 As shown, the oil return valve is set as a one-way valve, which is conducive to the one-way flow of gasoline, facilitating the return of gasoline to the fuel tank 1 through the oil return pipe 4 and ensuring stable oil pressure on the engine oil rail 6.

[0029] Refer to Figures 1-4 As shown, the mounting part includes a mounting plate 41 and a fastener 45. One side of the mounting plate 41 is connected to the oil return pipe 4. A through hole one is opened inside the mounting plate 41, which is conducive to the gasoline inside the oil return pipe 4 flowing back to the fuel tank 1 through the through hole. A fastener 45 is installed on the mounting plate 41. The fastener 45 is set as a bolt, which is conducive to installing the mounting plate on the fuel tank 1, and when the fastener 45 is disassembled, it is also conducive to the installation and disassembly of the mounting plate 41.

[0030] Refer to Figures 1-4 As shown, the mounting part also includes a connecting plate 43 and a filtering part. A placement groove 42 is opened on the side of the mounting plate 41 away from the oil return pipe 4. The connecting plate 43 is installed inside the placement groove 42. A through hole two is opened inside the connecting plate 43. A filtering part is arranged on one side of the connecting plate 43 close to the through hole two, which can filter the returned gasoline and reduce impurities in the gasoline, etc. One end of the filtering part extends into the inside of the oil return pipe 4. During installation, by installing the connecting plate 43 on one side of the filtering part inside the placement groove 42 of the mounting plate 41 and installing one end of the filtering part inside the oil return pipe 4, the filtering part and the connecting plate 43 are installed and fixed while the mounting plate 41 is installed. When the filtering part needs to be disassembled and cleaned, the mounting plate 41 can be disassembled to achieve the disassembly of the filtering part.

[0031] Refer to Figures 1-4 As shown, the filtering part is set as a gasoline filter element 44, which can filter impurities in the gasoline.

[0032] The utility model can supply oil and return oil at the same time to ensure stable oil pressure. The return oil pipe 4 is connected to the fuel tank 1 through a tee pipe 2 to realize oil return, so as to ensure that the oil pressure of the engine oil rail 6 reaches 400 Kpa. When working, the fuel pump inside the fuel tank 1 pumps oil to the engine oil rail 6, and the provided return oil pipe 4 returns oil to the fuel tank 1. A return oil valve is arranged on the return oil pipe 4. When the pressure exceeds 400 Kpa, the return oil valve is opened, and the excess gasoline returns to the inside of the fuel tank 1, thereby ensuring that there is an oil pressure of 400 Kpa on the engine oil rail 6 to ensure engine fuel injection. The provided gasoline filter element 44 can filter the returned gasoline, and the provided mounting plate 41 is conducive to the installation and fixation of the gasoline filter element 44, which is convenient for installation and disassembly and is beneficial to use.

[0033] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An engine oil pipe oil supply device, characterized in that: include: A fuel tank (1), a fuel outlet pipe (3), a fuel rail fuel supply pipe (5) and an engine fuel rail (6), wherein one end of the fuel tank (1) is connected to the fuel outlet pipe (3), one end of the fuel outlet pipe (3) is connected to the fuel rail fuel supply pipe (5) via a return fuel connector, the fuel rail fuel supply pipe (5) is connected to the engine fuel rail (6), a gasoline pump is arranged inside the fuel tank (1), one end of the return fuel connector is connected to the return fuel pipe (4), and one end of the return fuel pipe (4) is connected to the fuel tank (1) via a mounting member; The oil return connector is configured as a three-way pipe (2); An oil return valve is installed on the oil return pipe (4); The oil return valve is configured as a one-way valve.

2. The engine oil pipe oil supply device according to claim 1, characterized in that: The mounting member comprises a mounting plate (41) and a fastener (45); one side of the mounting plate (41) is connected to the oil return pipe (4); a through hole 1 is provided inside the mounting plate (41); the fastener (45) is mounted on the mounting plate (41); and the fastener (45) is configured as a bolt.

3. The engine oil pipe oil supply device according to claim 2, characterized in that: The mounting member also includes a connecting plate (43) and a filter member. A placement groove (42) is provided on a side of the mounting plate (41) away from the oil return pipe (4). The connecting plate (43) is installed inside the placement groove (42). A second through hole is provided inside the connecting plate (43). The filter member is provided on a side of the connecting plate (43) close to the second through hole. One end of the filter member extends to the inside of the oil return pipe (4).

4. The engine oil pipe oil supply device according to claim 3, characterized in that: The filter element is configured as a gasoline filter element (44).

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