Oil pan oil drain plug

Abstract

The utility model discloses an oil pan oil drain plug, the side portion of the oil drain plug is provided with threads, a gasket is sleeved on the oil drain plug, and the upper end of the oil drain plug is provided with a magnet. The oil pan oil drain plug is simple in structure, improves reliability of an engine, and is convenient to install.

Description

Technical Field

[0001] The utility model belongs to the technical field of engines, and in particular relates to an oil drain plug for an oil pan. Background Art

[0002] As the blood of the engine, engine oil has functions such as cooling, lubrication, cleaning, and rust prevention. The bottom of the engine oil pan is equipped with an oil drain plug, which is mainly used to drain the engine oil during engine maintenance. Its built-in magnet is used to seal the oil drain plug and absorb magnetic impurities in the engine oil.

[0003] Most of the current drain plugs have complex structures, many components, inconvenient assembly and installation, high manufacturing costs, and are difficult to install in limited space. The oil in the current methanol engine oil pan contains products from incomplete combustion of methanol, such as formic acid, formaldehyde, and methanol that does not participate in combustion. The acid value of the oil rises quickly. The traditional engine oil pan drain plug only contains the functions of draining the oil and absorbing magnetic impurities in the oil, and cannot remove the acidic substances in the oil. The alkaline additives in the oil are not enough to completely neutralize the acidic substances in the oil, which easily causes corrosion and wear of the internal parts of the engine, which is not conducive to the reliability of the engine.

[0004] The utility model patent with the announcement number CN205714343U was published on November 23, 2016. The test oil drain plug includes: a fixed sleeve, which is a tube sleeve with one end closed. The outer periphery of the fixed sleeve has an oil pan outer threaded portion, a stop flange and a hexagonal head. The outer threaded portion of the oil pan is provided with an oil drain groove that penetrates the inner cavity of the fixed sleeve. The inner periphery of the fixed sleeve has a screw plug thread; an oil drain plug, which is tubular. The lumen of the oil drain plug is an oil passage. The outer portion of the oil drain plug has a fixed sleeve outer thread, a stop flange and an external joint. The fixed sleeve outer thread is threaded with the screw plug thread. The external joint is a round tube type and is used for external piping; and a sealing gasket installed between the closed end of the fixed sleeve and the oil drain plug. The test oil drain plug has a complex structure and is inconvenient to install. Utility Model Content

[0005] The utility model aims to provide an oil pan drain plug which has a simple structure, improves engine reliability and is easy to install, in view of the deficiencies in the prior art.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The oil drain plug of the oil pan has a side portion provided with a thread, a gasket is sleeved on the oil drain plug, and a magnet is provided on the upper end of the oil drain plug.

[0008] The side of the oil drain plug is also provided with a groove, and the groove is located between the thread and the gasket.

[0009] A buffer plug is embedded in the upper end of the oil drain plug, the oil drain plug and the upper end of the buffer plug are in the same plane, and the bottom end of the magnet is clamped on the buffer plug.

[0010] The side of the buffer plug is provided with a mounting step, and the bottom end of the buffer plug is a conical structure.

[0011] The upper end of the magnet is a hexagonal column structure.

[0012] A hexagonal head is arranged at the bottom end of the oil drain plug.

[0013] The magnet material includes barium ferrite, zinc and magnesium.

[0014] The technical effects of the utility model are as follows: the oil pan drain plug of the utility model has a simple and compact structure, is easy to assemble, has low cost, and can be installed in places with limited space; a buffer plug is provided to improve the stability of the oil drain plug, the magnet is easy to assemble and disassemble, and the convenience of operation is improved; the material of the magnet is also optimized to achieve the effect of reducing the acid value of the engine oil, thereby avoiding corrosion and wear of internal components of the engine and improving the reliability of the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] This specification includes the following drawings, which show the following contents:

[0016] Figure 1 It is a cross-sectional schematic diagram of the oil drain plug of the oil pan of the utility model;

[0017] Figure 2 It is a front view of the magnet of the utility model;

[0018] Figure 3 It is a top view of the magnet of the utility model.

[0019] The markings in the figure are: 1. oil drain plug; 2. thread; 3. gasket; 4. magnet; 5. groove; 6. buffer plug; 7. installation step; 8. hexagonal head. DETAILED DESCRIPTION

[0020] The specific implementation methods of the utility model are further explained in detail below with reference to the accompanying drawings through the description of embodiments, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate their implementation.

[0021] like Figures 1 to 3 As shown, the oil pan drain plug, the oil pan drain plug, the drain plug 1 is provided with a thread 2 on the side, the drain plug 1 is provided with a gasket 3, and the upper end of the drain plug 1 is provided with a magnet 4. The thread 2 is used for installation, which is simple and fast. The magnet 4 can absorb the magnetic impurities in the engine oil, avoid the magnetic impurities from wearing the engine interior, and maintain the reliability of the engine.

[0022] like Figure 1 As shown, the side of the drain plug 1 is further provided with a groove 5, which is located between the thread 2 and the gasket 3. The groove 5 on the drain plug 1 can be installed with a sealing ring to form a seal for the installed drain plug 1, and the gasket 3 can press the sealing ring, which will be evenly pressed by the gasket 3, thereby ensuring reliable sealing performance.

[0023] like Figure 1 As shown, a buffer plug 6 is embedded in the upper end of the drain plug 1, and the drain plug 1 and the upper end of the buffer plug 6 are in the same plane, and the bottom end of the magnet 4 is clamped on the buffer plug 6. The buffer plug 6 can provide a buffering effect. When the entire drain plug 1 is installed on the oil pan, vibration or impact will inevitably occur with the movement of the engine or vehicle. The use of the buffer plug 6 can resist and absorb the impact of the shock and vibration, and improve the firmness of the drain plug 1. Since the buffer plug 6 is embedded in the drain plug 1, the setting of the buffer plug 6 will not increase the overall volume of the drain plug 1, and a compact structure is achieved. The polyhedron design is cancelled for the mating surface of the magnet 4 and the buffer plug 6, and a cylindrical surface is adopted to achieve an interference fit effect, and a clamping connection is adopted, which is quick to install, does not require the use of connectors, and has a small coverage area of ​​the magnet 4, which does not affect its normal adsorption function.

[0024] like Figure 1 As shown, the side of the buffer plug 6 is provided with a mounting step 7, and the bottom end of the buffer plug 6 is a tapered structure. The buffer plug 6 can be stably fixed on the drain plug 1 through the mounting step 7, which can ensure that it will not be easily loosened after impact, ensuring long-term reliable use. The tapered bottom end of the buffer plug 6 can ensure that it can exhaust air during installation, ensuring that it is installed in place.

[0025] like Figure 2 and Figure 3 As shown, the upper end of the magnet 4 is a hexagonal prism structure. The above structure expands the adsorption area of ​​the magnet 4 to the magnetic substance and the reaction area with the oil acid substance, improves the adsorption effect and reaction rate; and the structure is simple, easy to process and manufacture, difficult to slide during transfer and transportation, and easy to place.

[0026] like Figure 1 As shown, the bottom end of the oil drain plug 1 is provided with a hexagonal head 8. The hexagonal head 8 is used for disassembling and assembling the oil drain plug 1.

[0027] The material of magnet 4 includes barium ferrite, zinc and magnesium. In the material of magnet 4 (barium ferrite), active materials such as zinc and magnesium are added to make the acidic substances in the engine oil react chemically with the active metal of magnet 4, thereby reducing the acid value of the engine oil, increasing the life of the engine oil, improving the reliability of the engine, and reducing the after-sales maintenance cost of the engine. In addition, magnet 4 can be replaced regularly as a maintenance part.

[0028] The oil drain plug of the oil pan has a simple and compact structure, is easy to assemble, has low cost, and can be installed in places with limited space. A buffer plug 6 is provided to improve the stability of the oil drain plug 1. The magnet 4 is easy to assemble and disassemble, which improves the convenience of operation. The material of the magnet 4 is also optimized to achieve the effect of reducing the acid value of the engine oil, avoid corrosion and wear of internal components of the engine, and improve the reliability of the engine.

[0029] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An oil drain plug for an oil pan, characterized in that: The side of the oil drain plug (1) is provided with a thread (2), a gasket (3) is sleeved on the oil drain plug (1), and a magnet (4) is provided on the upper end of the oil drain plug (1); a buffer plug (6) is embedded in the upper end of the oil drain plug (1), the upper ends of the oil drain plug (1) and the buffer plug (6) are in the same plane, and the bottom end of the magnet (4) is clamped on the buffer plug (6); the side of the buffer plug (6) is provided with a mounting step (7), and the bottom end of the buffer plug (6) is a conical structure.

2. The oil drain plug of the oil pan according to claim 1, characterized in that: The side of the oil drain plug (1) is also provided with a groove (5), and the groove (5) is located between the thread (2) and the gasket (3).

3. The oil drain plug of the oil pan according to claim 1, characterized in that: The upper end of the magnet (4) is a hexagonal column structure.

4. The oil drain plug of the oil pan according to claim 1, characterized in that: The bottom end of the oil drain plug (1) is provided with a hexagonal head (8).

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