Magnetic plug for air compressor oil gas bucket

Abstract

The utility model relates to air compressor technical field provides a magnetic plug for air compressor oil gas bucket, including the plug main part, connecting section, welding connection in the bottom of plug main part, and its inside is provided with fixed connecting piece, can realize the stable connection of plug main part and oil gas bucket, sealing section, welding connection in the bottom of fixed connecting piece, its inside is provided with sealing element, can realize the sealing of plug main part and oil gas bucket mounting hole, adsorption section, coaxial welding connection in the bottom of sealing section, present hollow cylindrical, its inside is provided with magnetic attraction accessory, can adsorb metal impurity and enter adsorption section, among them, connecting section, sealing section and annular sealing groove between present ladder shape cylindrical structure, and the diameter of sealing section is greater than plug main part. The utility model discloses through setting fixed connecting piece, sealing element and magnetic attraction accessory, not only realized the efficient capture of device to metal impurity, reduced the equipment wear and tear, also reduced the maintenance cost and time of device.

Description

Technical Field

[0001] This utility model relates to the field of air compressor technology, and in particular to a magnetic plug for an air compressor oil-gas separator. Background Technology

[0002] During air compressor operation, the lubricating oil in the oil-gas separator mixes with compressed air, and mechanical wear can easily produce impurities such as iron filings and metal particles. If these impurities remain for a long time, they will accelerate the deterioration of the lubricating oil, wear down the inner wall of the oil-gas separator and internal components, and reduce the operating efficiency and service life of the air compressor. In existing technologies, some oil-gas separators use ordinary plugs at the bottom for oil or sewage discharge, but these cannot specifically attract metal impurities. Other solutions using external magnets suffer from problems such as unstable magnet fixation, limited adsorption range, and inconvenient impurity cleaning. Utility Model Content

[0003] The purpose of this invention is to solve the problem that existing technologies have limited functionality and cannot specifically adsorb metallic impurities.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a magnetic plug for an air compressor oil-gas tank, comprising a plug body, characterized in that the magnetic plug for an air compressor oil-gas tank further comprises: a connecting section, welded to the bottom of the plug body, and having a fixed connecting member inside, which can achieve a stable connection between the plug body and the oil-gas tank; a sealing section, welded to the bottom of the fixed connecting member, and having a sealing member inside, which can achieve a seal between the plug body and the oil-gas tank mounting hole; and an adsorption section, coaxially welded to the bottom of the sealing section, in the form of a hollow cylinder, having a magnetic adsorption member inside, which can adsorb metal impurities into the adsorption section; wherein, the connecting section, the sealing section, and the annular sealing groove form a stepped cylindrical structure, and the diameter of the sealing section is larger than that of the plug body.

[0005] The technical advantages of adopting the above-mentioned further solution are: the magnetic plug achieves a stable connection with the oil and gas tank through the fixed connecting parts of the connecting section, the sealing parts of the sealing section ensure the sealing effect of the installation hole, and the magnetic adsorption parts of the adsorption section can adsorb metal impurities.

[0006] In a preferred embodiment, the fixing connector includes an external thread formed on the outer circumferential surface of the connecting section; wherein the specification of the external thread matches the internal thread of the mounting hole at the bottom of the oil and gas tank, for realizing a detachable connection between the plug and the oil and gas tank.

[0007] The technical effect of adopting the above-mentioned further solution is that the external thread of the fixed connector is opened on the outer circumferential surface of the connecting section, and its specifications match the internal thread of the mounting hole at the bottom of the oil and gas tank, so that the plug can be detachably connected to the oil and gas tank through the thread.

[0008] In a preferred embodiment, the sealing element includes: an annular sealing groove, which is annularly formed on the upper end face of the sealing section; and a main sealing ring, which is embedded in the annular sealing groove; wherein the cross-sectional diameter of the annular sealing groove matches the width of the annular sealing groove.

[0009] The technical effect of adopting the above-mentioned further solution is that when the plug body is connected to the oil and gas tank, the main sealing ring is compressed, thereby achieving radial sealing between the plug and the oil and gas tank mounting hole.

[0010] In a preferred embodiment, the sealing element further includes an auxiliary sealing ring disposed below the main sealing ring; wherein the auxiliary sealing ring is fitted against the bottom surface of the annular sealing groove, and axial positioning is achieved by the pressure of the main sealing ring.

[0011] The technical effect of adopting the above-mentioned further solution is that the auxiliary sealing ring can prevent the main sealing ring from undergoing plastic deformation due to long-term pressure, thereby improving the sealing life.

[0012] In a preferred embodiment, the magnetic adsorption component includes: a magnetic fixing groove, which is annularly formed on the inner wall of the adsorption section; and a permanent magnet ring, which is interference-fitted into the magnetic fixing groove; wherein the outer diameter of the permanent magnet ring matches the magnetic fixing groove to achieve axial and radial positioning.

[0013] The technical effect of adopting the above-mentioned further solution is that it can accurately achieve axial and radial positioning of the permanent magnet ring, making it stable and not deviating, and ensuring that the permanent magnet ring continuously and stably releases the magnetic field, laying the foundation for subsequent efficient adsorption of metal impurities in the oil and gas tank.

[0014] In a preferred embodiment, the magnetic adsorption component further includes: a magnetically conductive pad, which is fitted onto the lower end face of the permanent magnet ring; wherein the magnetically conductive pad and the permanent magnet ring are bonded and fixed together by epoxy resin adhesive.

[0015] The technical effect of adopting the above-mentioned further solution is that the magnetic pad is used to enhance the magnetic field adsorption range and prevent magnetic field leakage.

[0016] In a preferred embodiment, the magnetic adsorption component further includes: multiple impurity adsorption holes that are uniformly distributed on the sidewall of the adsorption section; and a bottom cover that is welded to the bottom of the adsorption section to form a closed adsorption cavity and prevent impurities from leaking out from the bottom. The bottom cover is a circular cover plate made of stainless steel, and its diameter is the same as the outer diameter of the adsorption section.

[0017] The technical advantages of adopting the above-mentioned further solution are as follows: multiple impurity adsorption holes of the magnetic adsorption component are evenly distributed throughout the sidewall of the adsorption section, facilitating the entry of lubricating oil containing impurities from the oil-gas tank; a stainless steel circular bottom cover is welded to the bottom of the adsorption section, forming a closed adsorption chamber. The combination of these two features ensures that impurities can enter smoothly while preventing them from leaking back from the bottom, allowing the adsorbed metal impurities to remain stably, thus improving the efficiency and reliability of impurity adsorption.

[0018] In a preferred embodiment, the connector further includes an anti-loosening nut, which is fitted onto the outer wall of the oil and gas tank; wherein the anti-loosening nut is made of stainless steel and its internal thread matches its external thread.

[0019] The technical effect of adopting the above-mentioned further solution is as follows: after the plug body is connected to the oil and gas tank mounting hole through the external thread, the anti-loosening nut is screwed into the external thread of the connecting section until the lower end face of the anti-loosening nut is tightly fitted with the outer wall of the oil and gas tank. The anti-loosening nut prevents the plug body from loosening due to the vibration of the air compressor, thus ensuring the stability of the connection.

[0020] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0021] 1. This utility model, by setting fixed connecting parts and sealing parts, not only ensures the long-term leak-free operation of the device, but also reduces the later maintenance costs. Specifically: In terms of sealing, a combination structure of "main sealing ring + auxiliary sealing ring" is adopted. After the main sealing ring is embedded in the annular sealing groove of the sealing section, it forms a tight radial seal through compression, effectively preventing lubricating oil leakage. The auxiliary sealing ring below plays a supporting and limiting role, preventing the main sealing ring from plastic deformation due to long-term pressure, thus extending the service life of the sealing parts. In terms of maintenance, the fixed connecting parts use stainless steel anti-loosening nuts, which can be unscrewed to quickly disassemble the plug. When cleaning impurities, only the bottom cover of the adsorption section needs to be separated, without disassembling the main core structure of the plug. This shortens the maintenance time per operation and avoids the problem of reduced sealing performance caused by frequent disassembly of the end cover, significantly reducing maintenance manpower and time costs.

[0022] 2. This utility model achieves efficient capture of metal impurities by incorporating a magnetic adsorption component, reducing equipment wear at its source. Specifically: the magnetic adsorption component uses a permanent magnet ring, which is tightly embedded in the magnetic fixing groove of the adsorption section through an interference fit, ensuring a stable and non-shifting magnetic field; with the addition of a magnetically conductive pad, the magnetic field lines are concentrated and guided into the adsorption cavity, preventing the magnetic field from leaking outwards while effectively expanding the adsorption range, allowing even tiny iron filings to be accurately captured. Attached Figure Description

[0023] Figure 1 A three-dimensional structural schematic diagram of a magnetic plug for an air compressor oil-gas tank provided by this utility model;

[0024] Figure 2 An enlarged structural schematic diagram of a fixing connector for a magnetic plug in an air compressor oil-gas tank provided by this utility model;

[0025] Figure 3 An enlarged structural schematic diagram of a sealing element for a magnetic plug in an air compressor oil-gas tank, provided by this utility model;

[0026] Figure 4 An enlarged structural schematic diagram of a magnetic adsorption component for a magnetic plug used in an air compressor oil-gas tank, provided by this utility model;

[0027] Figure 5 This is a partially enlarged structural diagram of a magnetic plug for an air compressor oil-gas tank, provided by this utility model.

[0028] Legend:

[0029] 1. Plug body; 2. Connecting section; 3. External thread; 4. Sealing section; 5. Annular sealing groove; 6. Main sealing ring; 7. Auxiliary sealing ring; 8. Adsorption section; 9. Impurity adsorption hole; 10. Bottom cover; 11. Magnetic fixing groove; 12. Permanent magnet ring; 13. Magnetic guide gasket; 14. Anti-loosening nut. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1:

[0032] Please see Figures 1-5 This embodiment provides a magnetic plug for an air compressor oil-gas tank that has a sealing connection effect. The specific idea is as follows:

[0033] A magnetic plug for an air compressor oil-gas tank includes a plug body 1. The magnetic plug for the air compressor oil-gas tank also includes a connecting section 2, a fixed connecting member, a sealing section 4, and a sealing member.

[0034] The connecting section 2 is connected to the bottom of the plug body 1 by welding.

[0035] As examples, in this embodiment, the fastener includes an external thread 3 and a lock nut 14.

[0036] The outer circumferential surface of the connecting section 2 is machined with external threads 3.

[0037] It should be noted that the external thread 3 is compatible with the internal thread size of the mounting hole at the bottom of the oil and gas tank. When the plug is installed as a whole, the external thread 3 engages with the internal thread of the mounting hole, realizing a detachable connection between the plug and the oil and gas tank.

[0038] In addition, to further enhance connection stability, stainless steel anti-loosening nuts 14 are configured as a supplementary structure for fixing the connector.

[0039] It should be noted that after the plug body 1 is tightened to the preset position by the external thread 3, the anti-loosening nut 14 is screwed in along the external thread 3 of the connecting section 2 until its lower end face is tightly fitted with the outer wall of the oil and gas tank. By applying axial preload, the vibration of the air compressor during operation is offset, and the plug is prevented from loosening.

[0040] As examples, in this embodiment, the seal includes: an annular sealing groove 5, a main sealing ring 6, and an auxiliary sealing ring 7.

[0041] Among them, the sealing section 4 is fixed to the bottom of the fixed connector by welding.

[0042] Meanwhile, an annular sealing groove 5 is provided on the upper end face of the sealing section 4.

[0043] In addition, the main sealing ring 6 is embedded in the annular sealing groove 5.

[0044] It should be noted that the cross-sectional diameter of the main sealing ring 6 is precisely matched with the width of the annular sealing groove 5.

[0045] In addition, an auxiliary sealing ring 7 is fitted below the main sealing ring 6.

[0046] It should be noted that the auxiliary sealing ring 7 is in close contact with the bottom surface of the annular sealing groove 5. When the plug is assembled with the oil and gas tank, the main sealing ring 6 is squeezed by the outer wall of the oil and gas tank and undergoes elastic deformation to form a radial sealing barrier to prevent lubricating oil leakage. The auxiliary sealing ring 7 achieves axial limiting through the pressure transmitted by the main sealing ring 6, reducing the plastic deformation of the main sealing ring 6 after long-term pressure and extending the service life of the device's sealing structure.

[0047] In this embodiment, the combination of external thread 3 and anti-loosening nut 14 ensures the connection stability of the plug under high-frequency vibration environment, and the ease of installation and disassembly meets the needs of rapid maintenance; on the other hand, the synergistic effect of main sealing ring 6 and auxiliary sealing ring 7 allows the device to maintain reliable sealing at different temperatures, adapting to the working environment of air compressor lubricating oil.

[0048] Example 2:

[0049] Please see Figures 1-5Based on Example 1, this example provides a magnetic plug for an air compressor oil-gas separator with improved impurity adsorption effect. The specific concept is as follows:

[0050] The magnetic plug for the air compressor oil-gas separator also includes: adsorption section 8 and magnetic adsorption component.

[0051] The magnetic adsorption component is assembled using adsorption section 8 as a carrier to form a closed adsorption system that efficiently captures metal impurities.

[0052] The adsorption section 8 is a hollow cylinder and is fixed to the bottom of the sealing section 4 by coaxial welding.

[0053] Meanwhile, the inner wall of the adsorption section 8 is machined with an annular magnetic fixing groove 11.

[0054] In addition, the permanent magnet ring 12 is embedded in the magnetic fixing groove 11 with an interference fit.

[0055] It should be noted that the precise axial and radial positioning is achieved by utilizing the elastic deformation between the metals, ensuring that the permanent magnet ring 12 does not shift during long-term use.

[0056] The lower end face of the permanent magnet ring 12 is fitted with a magnetically conductive pad 13 made of soft iron.

[0057] It should be noted that the permanent magnet ring 12 and the magnetic conductive pad 13 are bonded together with epoxy resin. The magnetic conductive pad 13 can guide the magnetic field lines of the permanent magnet ring 12 into the adsorption cavity, which expands the effective adsorption range and reduces the leakage of the magnetic field to the outside.

[0058] In addition, the sidewall of the adsorption section 8 is machined with multiple impurity adsorption pores 9.

[0059] It should be noted that these impurity adsorption pores 9 are evenly distributed along the circumference, providing a channel for metallic impurities in the oil and gas tank to enter the adsorption chamber.

[0060] Meanwhile, a stainless steel bottom cover 10 is welded to the bottom of the adsorption section 8.

[0061] It should be noted that the diameter of the bottom cover 10 is the same as the outer diameter of the adsorption section 8, and the welding joint between it and the adsorption section 8 is made by laser fusion process to form a leak-free closed structure.

[0062] In this embodiment, the combination of permanent magnet ring 12 and magnetic pad 13 significantly improves magnetic field utilization, increases the capture rate of metal impurities, and effectively reduces the impurity content in lubricating oil. The distribution design of impurity adsorption holes 9 ensures smooth oil flow and avoids local pressure loss. The sealing welding of bottom cover 10 ensures that the adsorbed impurities will not cause secondary contamination of lubricating oil. Combined with the detachable plug structure, the impurity cleaning process does not require disassembly of core components, effectively improving the maintenance efficiency of the device.

[0063] Working Principle: This device is a magnetic plug for an air compressor oil-gas tank. In use, first place the auxiliary sealing ring 7 into the annular sealing groove 5 of the sealing section 4, then insert the main sealing ring 6 to fit against the auxiliary sealing ring 7. Next, use a wrench to hold the top of the plug body 1, align the external thread 3 of the connecting section 2 with the internal thread of the mounting hole at the bottom of the oil-gas tank, and rotate clockwise until the upper end face of the sealing section 4 is in contact with the outer wall of the oil-gas tank. At this point, the main sealing ring 6 is compressed, forming an initial seal. Then, take the anti-loosening nut 14 and screw it into the external thread 3 of the connecting section 2, tightening it with a wrench to complete the fixing.

[0064] No additional operation is required during operation. The magnetic adsorption component will work automatically. The lubricating oil containing metallic impurities in the oil and gas tank enters the adsorption chamber through the impurity adsorption hole 9 on the side wall of the adsorption section 8. Under the action of the strong magnetic field of the permanent magnet ring 12, the impurities are adsorbed on the inner wall of the permanent magnet and the surface of the magnetic pad 13, thus achieving continuous purification.

[0065] During maintenance and cleaning, first shut down the air compressor and release the pressure inside the oil-gas tank. Use a wrench to unscrew the lock nut 14, then rotate the plug body 1 in the reverse direction to detach it from the oil-gas tank. After removing the plug, use a special tool to separate the bottom cover 10 at the bottom of the adsorption section 8, and use a brush to clean the metal impurities on the surface of the permanent magnet ring 12 and the magnetic guide gasket 13. After cleaning, re-weld the bottom cover 10, and reset the plug according to the installation steps. After ensuring reliable sealing and fixation, it can be put back into use.

[0066] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0067] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.

Claims

1. A magnetic plug for an air compressor oil-gas separator, comprising a plug body (1), characterized in that, The magnetic plug for the air compressor oil-gas separator also includes: The connecting section (2) is welded to the bottom of the plug body (1) and has a fixed connecting piece inside, which can realize the stable connection between the plug body (1) and the oil and gas tank. The sealing section (4) is welded to the bottom of the fixed connector and has a sealing element inside, which can achieve the sealing between the plug body (1) and the oil and gas tank installation hole. The adsorption section (8) is coaxially welded to the bottom of the sealing section (4), and is in the shape of a hollow cylinder. It is equipped with a magnetic adsorption component inside, which can adsorb metal impurities into the adsorption section (8). The connecting section (2), the sealing section (4) and the annular sealing groove (5) are in a stepped cylindrical structure, and the diameter of the sealing section (4) is larger than that of the plug body (1).

2. The magnetic plug for an air compressor oil-gas separator according to claim 1, characterized in that, The fixed connector includes: External thread (3) is formed on the outer circumferential surface of the connecting section (2); The specifications of the external thread (3) are matched with the internal thread of the mounting hole at the bottom of the oil and gas tank.

3. The magnetic plug for an air compressor oil-gas separator according to claim 1, characterized in that, The sealing element includes: An annular sealing groove (5) is formed in a ring on the upper end face of the sealing section (4); The main sealing ring (6) is embedded in the annular sealing groove (5); The cross-sectional diameter of the annular sealing groove (5) is matched with the width of the annular sealing groove (5).

4. The magnetic plug for an air compressor oil-gas separator according to claim 3, characterized in that, The sealing element further includes: An auxiliary sealing ring (7) is located below the main sealing ring (6); The auxiliary sealing ring (7) is fitted to the bottom surface of the annular sealing groove (5) and is axially limited by the pressure of the main sealing ring (6).

5. The magnetic plug for an air compressor oil-gas separator according to claim 1, characterized in that, The magnetic adsorption component includes: A magnetic fixing groove (11) is formed in a ring on the inner wall of the adsorption section (8); The permanent magnet ring (12) is interference-fitted into the magnetic fixing groove (11); The outer diameter of the permanent magnet ring (12) matches the magnetic fixing groove (11) to achieve axial and radial positioning.

6. The magnetic plug for an air compressor oil-gas separator according to claim 5, characterized in that, The magnetic adsorption component further includes: A magnetic pad (13) is attached to the lower end face of the permanent magnet ring (12); The magnetic pad (13) and the permanent magnet ring (12) are bonded and fixed together by epoxy resin adhesive.

7. The magnetic plug for an air compressor oil-gas separator according to claim 6, characterized in that, The magnetic adsorption component further includes: Multiple impurity adsorption pores (9) are provided through the adsorption section (8) and are evenly distributed on the sidewall. The bottom cover (10) is welded to the bottom of the adsorption section (8), which can make the adsorption section (8) form a closed adsorption cavity to prevent impurities from leaking out from the bottom. The bottom cover (10) is a circular cover plate made of stainless steel, and its diameter is consistent with the outer diameter of the adsorption section (8).

8. The magnetic plug for an air compressor oil-gas separator according to claim 2, characterized in that, The fixed connector also includes: Anti-loosening nut (14) is fitted to the outer wall of the oil and gas tank; The anti-loosening nut (14) is made of stainless steel and its internal thread matches the external thread (3).

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