External extractor for engine oil of automobile engine

Abstract

The utility model provides an external extractor for engine oil of an automobile engine, which relates to the technical field of automobile accessories and comprises a mounting plate and an extraction tube seat fixed on one side of the mounting plate. A disc opening is formed in one end of the mounting disc, a locking ring is fixed to the inner edge of the disc opening, a sealing cover is fixed to the end, opposite to the disc opening, of the mounting disc, and a filter element frame penetrates through the inner side of the sealing cover towards the disc opening end of the mounting disc; the filter element structure has the advantages that the sealing cover type pipe disc structure is arranged between the sealing covers of the engine filter base in a butt joint mode, the filter element frame arranged in the sealing cover type pipe disc structure is used as the sealing cover frame of the filter element structure of the filter, and the pipeline valve body structure can be arranged between the external leading-out pipe base and the internal pipeline in a bridging mode. And meanwhile, all engine oil can be conveniently led out by switching the opening of a valve body passage, so that the subsequent engine oil replacement operation is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and more specifically, to an external oil drain device for automotive engines. Background Technology

[0002] Changing the engine oil is a crucial step in maintaining engine performance and typically involves the following steps: First, warm up the engine and then turn it off. Lift the vehicle and loosen the drain plug on the oil pan to drain the old engine oil into a drip tray. Next, replace the oil filter, ensuring the seals are coated with oil and tightened. Then, add new engine oil that meets the manual's specifications to the appropriate level. Start the engine and check for leaks. Finally, properly dispose of the used engine oil. Regular oil changes effectively remove sludge, reduce wear, and extend engine life.

[0003] Because engine oil gradually oxidizes and becomes contaminated with use, it is usually necessary to test the engine oil during use. The test can determine whether its lubricity and cleanliness meet the standards and avoid wear caused by deterioration. The current practice is to test the condition of the engine oil by using a dipstick or draining the oil and testing it with test strips. The test operation is somewhat difficult, and disassembly and reassembly can affect the sealing of the oil pan, filter and other structures. After the test, the sealing structure needs to be confirmed. There is a lack of a dedicated drain structure to handle the test and subsequent oil change operations. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing oil draining methods are relatively traditional, and the operation and subsequent impact on the sealing structure bring certain troubles to the testing work. In view of the problems existing in the prior art, an external oil draining device for automobile engines is provided.

[0005] The purpose and effect of this utility model are achieved by the following specific technical means: including an installation plate and a lead-out pipe seat, wherein the lead-out pipe seat is fixed on one side of the installation plate;

[0006] The mounting plate has an opening at one end, and a locking ring is fixed to the inner edge of the opening. A cover is fixed to the end of the mounting plate relative to the opening, and a filter element frame is provided through the inner side of the cover to the opening end of the mounting plate.

[0007] An inner tube is provided through one side of the filter element frame. A ball valve is connected to the end of the inner tube, and an outer tube is connected to one end of the ball valve relative to the inner tube. A matching switch seat is provided on the ball valve, and a switch component is connected to the outside of the switch seat. An annular compartment is formed by the ball valve relative to the connection end of the inner tube and the outer tube, and a matching three-way valve port is formed by the ball valve and each end of the inner tube, the outer tube, and the annular compartment.

[0008] The mounting plate has a built-in air pump pipeline connected to its opening.

[0009] An external connecting pipe is provided at the outer end of the outlet pipe seat, and the external connecting pipe is connected to the external connecting pipe.

[0010] Furthermore, a concave stepped surface is formed between the mounting plate opening and the filter element frame and locking ring, and a sealing rubber ring is filled in the stepped surface.

[0011] A further preferred embodiment: the air pump pipeline includes an air pipe seat, a ring pipe head, and an air pump assembly. The air pump assembly is embedded in the side end of the mounting plate. The ring pipe head is disposed through the end of the inner pipe. The air pipe seat is disposed through the space between the ring pipe head and the air pump assembly.

[0012] A further preferred embodiment: the tracheal tube seat is connected to the annular compartment.

[0013] A further preferred embodiment: the outer end of the outer pipe is fitted with a pipe plug for sealing.

[0014] A further preferred embodiment: a transfer compartment is connected between the external connecting pipe and the external through pipe.

[0015] The beneficial effects of this utility model are:

[0016] This type of external engine oil drainer uses a capped tubing structure to connect to the engine filter base cover. It works in conjunction with the filter element holder, which serves as the cover for the filter element structure. The structure includes a valve body that bridges the external drain pipe and internal piping, allowing for the convenient extraction of a portion of the oil using an air pump assembly and its annular compartment for testing. Simultaneously, switching the valve body opening allows for complete oil extraction for subsequent oil changes. This external installation, combined with the filter, avoids the impact of disassembly and reassembly on sealing performance associated with traditional draining methods, thus improving the drainer's practicality. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the mounting plate of this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the lead-out tube seat of this utility model.

[0021] Figures 1-3 In the middle section: 1. Installation plate 2. Cover 3. Outlet pipe seat 4. External pipe 5. Pipe plug 6. Filter element frame 7. Locking ring 8. Inner pipe 9. Switch seat 10. Ball valve 10. Ring compartment 11. External pipe 12. Air pipe seat 13. Ring pipe head 14. Air pump assembly 15. Transfer compartment 16. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the following description is provided in conjunction with the accompanying drawings. Figures 1-3 The present invention will be further described in detail below with specific embodiments. The following embodiments are merely examples of implementing the present invention. It must be noted that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any modifications and refinements made without departing from the scope of the present invention are within the patent protection scope of the present invention.

[0023] An external oil drain device for automobile engines includes a mounting plate 1 and a drain pipe seat 3, with the drain pipe seat 3 fixed to one side of the mounting plate 1;

[0024] One end of the mounting plate 1 has a plate opening, and a locking ring 7 is fixed to the inner edge of the plate opening. A cover 2 is fixed to one end of the mounting plate 1 relative to the plate opening, and a filter element frame 6 is provided through the inner side of the cover 2 to the plate opening end of the mounting plate 1.

[0025] An inner pipe 8 is provided through one side of the filter element frame 6. A ball valve 10 is connected to the end of the inner pipe 8. An outer pipe 12 is connected to one end of the ball valve 10 relative to the inner pipe 8. A matching switch seat 9 is provided on the ball valve 10. A switch component is connected to the outside of the switch seat 9. An annular chamber 11 is formed between the ball valve 10 and the connection end of the inner pipe 8 and the outer pipe 12. A matching three-way valve port is formed between the ball valve 10 and each end of the inner pipe 8, the outer pipe 12, and the annular chamber 11.

[0026] The mounting plate 1 has a built-in air pump pipeline connected to its opening;

[0027] An external pipe 4 is provided at the outer end of the outlet pipe 3, and the external pipe 12 is connected to the external pipe 4.

[0028] The outlet is mounted on the cover structure of the engine filter base with the structure of mounting plate 1. The filter element frame 6 serves as the replacement structure between the filter base cover and the filter element. The outlet pipe seat 3, which is arranged on the opposite side, serves as the outlet pipe end from the inside to the outside of the mounting plate 1. The structure is connected by the inner pipe 8, the annular compartment 11, and the outer pipe 12. The annular compartment 11 is connected between the inner pipe 8 and the outer pipe 12. A ball valve 10 is provided in the middle of the annular compartment 11. The ball valve 10 is a valve body of a three-way switch. The switch is switched by the switch component connected to the switch seat 9. The switch component can be an electromagnetic switch or an external switch handle.

[0029] The ball valve 10 has a partially open ball-shaped valve body. The opening position of the ball valve 10 corresponds to the axial passage between the inner pipe 8 and the outer pipe 12. The switching states include four passage states: the inner pipe 8 and the outer pipe 12 and the annular chamber 11 are fully open and closed; the inner pipe 8 and the outer pipe 12 are fully closed; the inner pipe 8 is only open and closed with the annular chamber 11; and the outer pipe 12 is only open and closed with the annular chamber 11. The initial position of the ball valve 10 is the state where the inner pipe 8 is only open and closed with the annular chamber 11, and the internal oil can flow into the annular chamber 11 along the inner pipe 8. In compartment 11, when some engine oil needs to be drawn out during testing, the ball valve 10 can be switched to the state where the external pipe 12 is connected to the annular compartment 11 through the switch seat 9. The engine oil in the annular compartment 11 is then drawn out to the external pipe 4 through the built-in air pump pipeline for collection by the testing personnel. When a large amount of engine oil needs to be drawn out or replaced, the ball valve 10 can be switched to the state where the internal pipe 8 is fully open and closed with the external pipe 12 and the annular compartment 11. The engine oil in the filter is then pumped out along the pipeline by the air pump pipeline for subsequent replacement operations.

[0030] Based on the above, the air pump pipeline includes an air pipe seat 13, a ring pipe head 14, and an air pump assembly 15. The air pump assembly 15 is embedded in the side end of the mounting plate 1. The ring pipe head 14 is disposed through the end of the inner pipe 8. The air pipe seat 13 is disposed through the space between the ring pipe head 14 and the air pump assembly 15. Figure 2 As shown, the pumping of the air pump line is based on the air pump assembly 15 feeding gas inward to pump out the oil in it. The oil mainly flows along the outside of the air pump assembly 15 to the air pipe seat 13, and then outputs along the air pipe seat 13 to the end of the ring pipe head 14. The air pressure in the cavity is increased along the entire air path so that the oil can be output along the open pipeline.

[0031] Compared to traditional oil draining methods, this type of drainer can be adapted to the filter base through an installation structure, and the external structure facilitates the draining of oil. This avoids the problem of disassembly affecting the structural sealing caused by traditional draining operations, simplifies the oil draining operation, and can meet the needs of oil testing and oil change, thus improving the practicality of the drainer.

[0032] Furthermore, a concave stepped surface is formed between the mounting plate 1 opening and the filter element holder 6 and locking ring 7, and a sealing ring is filled in the stepped surface to further seal the connection between the mounting plate 1 body structure and the filter base mounting part.

[0033] Furthermore, the air tube seat 13 is connected to the annular compartment 11, which can serve as the air passage from the air tube seat 13 to the annular compartment 11. When the annular compartment 11 is connected to the external pipe 12, the oil in the annular compartment 11 is quickly drawn out to the external pipe 4 by the feed of the air pump assembly 15, which facilitates subsequent testing and improves the extraction efficiency of the extractor.

[0034] Furthermore, the outer end of the outer pipe 4 is fitted with a sealing plug 5, such as... Figure 1 As shown, under normal conditions, the external pipe plug 5 is used to seal and protect the external pipe 4 passage.

[0035] Furthermore, a transfer compartment 16 connects the external pipe 4 and the external conduit 12, such as... Figure 3 As shown, the transfer chamber 16 can be used as a transfer cavity between the external pipe 4 and the external pipe 12, so that when the oil is drawn out, a certain amount of oil can be transferred through the volume of the transfer chamber 16, providing a buffer section for the flow of the oil. Detailed implementation method:

[0037] The outlet is replaced and assembled on the cover structure of the engine filter base by the mounting plate 1 structure, and is fixed to the filter base by the locking ring 7 at the opening of the plate.

[0038] When it is necessary to draw out some engine oil during the testing process, the ball valve 10 can be operated through the switch seat 9 to switch the external pipe 12 to the connection state with the annular compartment 11, and the engine oil in the annular compartment 11 can be quickly drawn out to the external pipe 4 through the built-in air pump pipeline and the feed of the air pump assembly 15 for the testing personnel to collect.

[0039] When a large amount of engine oil needs to be drained or replaced, the ball valve 10 is switched to the fully open state of the inner pipe 8, outer pipe 12 and ring chamber 11 passages. The air pump assembly 15 feeds air along the air pipe seat 13 and ring pipe head 14 to fill the mounting plate 1 and filter base. The increase in internal air pressure will cause the internal engine oil to be output along the inner pipe 8, ring chamber 11 and outer pipe 12, so as to pump the engine oil in the filter out along the pipeline for subsequent replacement operations.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An automotive engine oil external extractor, characterized by: It includes a mounting plate (1) and a lead-out pipe seat (3), wherein the lead-out pipe seat (3) is fixed to one side of the mounting plate (1); The mounting plate (1) has a plate opening at one end, and a locking ring (7) is fixed on the inner edge of the plate opening. A cover (2) is fixed on the end of the mounting plate (1) relative to the plate opening, and a filter element frame (6) is provided through the inner side of the cover (2) to the plate opening end of the mounting plate (1). An inner tube (8) is provided through one side of the filter element frame (6). A ball valve (10) is connected to the end of the inner tube (8), and an outer tube (12) is connected to one end of the ball valve (10) relative to the inner tube (8). A matching switch seat (9) is provided on the ball valve (10), and a switch component is connected to the outside of the switch seat (9). An annular chamber (11) is formed between the ball valve (10) and the connection end of the inner tube (8) and the outer tube (12). A matching three-way valve port is formed between the ball valve (10) and each end of the inner tube (8), the outer tube (12), and the annular chamber (11). The mounting plate (1) has a built-in air pump pipeline connected to its opening; The outer end of the lead-out pipe seat (3) is provided with an external pipe (4), and the external pipe (12) is connected to the external pipe (4).

2. The oil external extractor for an automobile engine according to claim 1, characterized in that: The mounting plate (1) has an inwardly concave stepped surface between its opening and the filter element frame (6) and locking ring (7), and the stepped surface is filled with a sealing rubber ring.

3. The oil external extractor for an automobile engine according to claim 1, characterized in that: The air pump pipeline includes an air pipe seat (13), a ring pipe head (14) and an air pump assembly (15). The air pump assembly (15) is embedded in the side end of the mounting plate (1). The ring pipe head (14) is disposed through the end of the inner pipe (8). The air pipe seat (13) is disposed through the ring pipe head (14) and the air pump assembly (15).

4. The oil external extractor for an automobile engine according to claim 3, characterized in that: The tracheal tube seat (13) is connected to the annular chamber (11).

5. The oil external extractor for an automobile engine according to claim 1, characterized in that: The outer end of the external pipe (4) is fitted with a pipe plug (5) for sealing.

6. The oil external extractor for an automobile engine according to claim 1, characterized by: A transfer compartment (16) is connected between the external pipe (4) and the external pipe (12).

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