Impurity filtering and defoaming device for oil filter

Abstract

The impurity filtering and defoaming device comprises an outer shell, an oil inlet connector is arranged at the top of the outer shell, an oil outlet connector is arranged at the bottom end of the outer shell, a pair of ventilation openings are formed in one side of the outer shell, and an inner shell connected with the front inner wall and the rear inner wall of the outer shell in a welded mode is arranged in the outer shell. The top of the oil outlet connector is connected with the bottom end of the inner shell. The air purifier has the beneficial effects that the air pressure in the inner shell can be consistent with that of the outside by arranging the ventilation opening and the L-shaped ventilation pipe, the generation of bubbles is effectively reduced, meanwhile, the arranged filtering assembly not only can play a good role in filtering and defoaming, but also has a function of being convenient to disassemble and assemble, subsequent replacement and cleaning are greatly facilitated, an extension pipeline is arranged, and the service life of the air purifier is prolonged. According to the oil filter assembly, the oil falling position can be adjusted, oil directly falls into one side of the top face of the filter assembly, the firmness of the whole filter assembly after installation is not affected, and meanwhile a good reinforcing effect is achieved under the action of oil falling force.

Description

Technical Field

[0001] The utility model relates to the technical field of oil filter machines, in particular to a filter and defoaming device for oil filter machines. Background Art

[0002] Oil filter is also known as oil filter or oil purifier. Its main function is to filter and purify contaminated oil products and restore or improve the properties of the oil products themselves.

[0003] The filter and defoaming device is the main structure in the oil filter, which can play a good filtering and foaming effect. The current filter and defoaming device is mainly composed of a shell and the filter and defoaming components inside it. After using it for a period of time, it needs to be replaced. The usual procedure is to remove the sealing cover on the shell with a screwdriver, and then disassemble the filter and defoaming components inside the shell with a screwdriver or other tools. The disassembly and assembly is cumbersome and inconvenient for subsequent replacement and cleaning.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a filter and defoaming device for an oil filter to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A filter and defoamer device for an oil filter, comprising a shell, an oil inlet interface is provided at the top of the shell, an oil outlet interface is provided at the bottom of the shell, a pair of air vents are provided at one side of the shell, an inner shell is provided inside the shell and is welded to the front and rear inner walls thereof, the top of the oil outlet interface is connected to the bottom of the inner shell, an L-shaped air vent is provided at one side of the top surface of the inner shell, and a filter assembly is threadedly connected to the front side of the shell;

[0008] The filter assembly includes a threaded disk threadedly connected to the front side of the shell, a placement box is fixedly connected to the rear end of the threaded disk, a filter element is filled inside the placement box, a plurality of circular holes are opened on the upper and lower sides of the placement box, and a sealing card plate is clamped on the back side of the placement box.

[0009] Preferably, a sealing disc is provided on the front side of the threaded disk, and a convex strip is welded on the middle part of the front side of the sealing disc.

[0010] Preferably, a pull rod is welded to the middle part of the rear end of the sealing card plate, and a circular storage groove is opened on the rear inner wall of the inner shell, and the pull rod is inserted into the circular storage groove.

[0011] Preferably, an adjusting pipe is provided at the bottom end of the oil inlet interface, and the bottom end of the adjusting pipe is connected to an extension pipe inside the inner shell, and the extension pipe is located on the other side above the placement box.

[0012] Preferably, the two air vents are both threadedly connected with dust-proof filters matching therewith.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting the air vent and L-shaped air vent, the air pressure inside the inner shell can be consistent with the outside, effectively reducing the generation of bubbles. At the same time, the filter assembly composed of a threaded disk, a placement box, a filter element, a round hole and a sealing card is set, which can not only play a good role in filtering and defoaming, but also has a function of easy disassembly and assembly, which greatly facilitates subsequent replacement and cleaning;

[0015] 2. Setting a regulating pipe with a smaller flow rate can effectively control the flow of oil entering the inner shell, so that the oil inside the inner shell is at an appropriate amount and there will be no leakage. Setting an extended pipe can adjust the position of the oil when it falls and make the oil fall directly onto the top surface of the filter component. It will not affect the firmness of the entire filter component after installation, and at the same time, it will play a good reinforcement role under the action of the oil falling force. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a structural schematic diagram of a debris filtering and defoaming device for an oil filter according to an embodiment of the utility model;

[0018] Figure 2 It is a front cross-sectional view of a debris filtering and defoaming device for an oil filter according to an embodiment of the utility model;

[0019] Figure 3 It is a rear view of a filter assembly in a debris filtering and defoaming device for an oil filter according to an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Outer shell; 2. Oil inlet interface; 3. Oil outlet interface; 4. Ventilation port; 5. Inner shell; 6. L-shaped vent pipe; 7. Threaded disk; 8. Placement box; 9. Filter element; 10. Round hole; 11. Sealing card plate; 12. Sealing disc; 13. Pull rod; 14. Adjustment pipe; 15. Extension pipe; 16. Dust filter. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a debris filtering and defoaming device for an oil filter is provided.

[0024] Embodiment 1;

[0025] like Figure 1-3 As shown, the impurity filtering and defoaming device for an oil filter machine according to an embodiment of the utility model comprises a shell 1, an oil inlet interface 2 is provided at the top of the shell 1, an oil outlet interface 3 is provided at the bottom end of the shell 1, a pair of air vents 4 are provided on one side of the shell 1, which can ensure that the internal air pressure of the impurity filtering and defoaming device for the oil filter machine is consistent with the external pressure, and can effectively reduce the generation of bubbles, an inner shell 5 is provided inside the shell 1 which is welded to the front and rear inner walls thereof, the top of the oil outlet interface 3 is connected to the bottom end of the inner shell 5, an L-shaped air vent 6 is provided on one side of the top surface of the inner shell 5, and a filter assembly is threadedly connected to the front side of the shell 1;

[0026] The filter assembly includes a threaded disk 7 threadedly connected to the front side of the shell 1, and a placement box 8 is fixedly connected to the rear end of the threaded disk 7. The interior of the placement box 8 is filled with a filter element 9. A plurality of circular holes 10 are provided on the upper and lower surfaces of the placement box 8. A sealing card plate 11 is clamped on the back side of the placement box 8, which plays a good filtering role and is also convenient for subsequent replacement and cleaning, and has a good use effect.

[0027] Embodiment 2:

[0028] like Figure 1-3 As shown, according to the embodiment of the utility model, a filtering and defoaming device for an oil filter is provided on the front of the threaded disk 7, a sealing disc 12 is welded on the middle of the front of the sealing disc 12, which has good sealing performance and is convenient for rotating the threaded disk 7, a pull rod 13 is welded on the middle of the rear end of the sealing clamping plate 11, and a storage circular groove is provided on the rear inner wall of the inner shell 5, and the pull rod 13 is inserted into the storage circular groove, which makes it easy to take out the clamped sealing clamping plate 11, thereby facilitating the replacement of the filter element 9.

[0029] Embodiment three;

[0030] like Figure 1-3 As shown, according to the filter and defoaming device for an oil filter machine according to the embodiment of the utility model, an adjusting pipe 14 is provided at the bottom end of the oil inlet interface 2, which can reduce the oil flow rate, control the oil content inside the inner shell 5, and avoid leakage. The bottom end of the adjusting pipe 14 is connected to the extension pipe 15 inside the inner shell 5. The extension pipe 15 is located on the other side above the placement box 8, which not only does not affect the firmness of the entire filter assembly after installation, but also plays a good reinforcement role.

[0031] Embodiment 4:

[0032] like Figure 1-3 As shown, according to the impurity filtering and defoaming device for an oil filter machine according to the embodiment of the utility model, the two air vents 4 are threadedly connected with a dust-proof filter 16 matching therewith, which is composed of a plastic cylinder with multiple filter holes, plays a certain dust-proof role, and will not affect the air permeability of the air vents 4.

[0033] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0034] In actual application, a clean filter element 9 is placed in the placement box 8, and then the sealing card plate 11 is clamped, and the threaded disk 7 is connected to the front thread of the outer shell 1. Finally, the sealing card plate 11 is tightly fitted on the rear inner wall of the inner shell 5. The oil inlet interface 2 takes in oil and enters the inner shell 5 at a smaller flow rate through the adjusting pipe 14 and the extension pipe 15, and falls to one side of the top surface of the filter assembly under the action of gravity. Since the threaded disk 7 is a threaded connection (clockwise rotation to tighten), the entire threaded disk 7 will not rotate counterclockwise, and the connection is firm. Then, it is directly discharged from the oil outlet interface 3 under the filtration of the filter element 9.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A defoaming device for filtering impurities for an oil filter, characterized in that: The invention comprises an outer shell (1), wherein the top of the outer shell (1) is provided with an oil inlet interface (2), the bottom end of the outer shell (1) is provided with an oil outlet interface (3), one side of the outer shell (1) is provided with a pair of air vents (4), the interior of the outer shell (1) is provided with an inner shell (5) welded to the front and rear inner walls thereof, the top of the oil outlet interface (3) is connected to the bottom end of the inner shell (5), one side of the top surface of the inner shell (5) is provided with an L-shaped air vent pipe (6), and the front surface of the outer shell (1) is threadedly connected with a filter assembly; The filter assembly comprises a threaded disc (7) threadedly connected to the front face of the housing (1); a placement box (8) is fixedly connected to the rear end of the threaded disc (7); a filter element (9) is filled inside the placement box (8); a plurality of circular holes (10) are provided on both the upper and lower faces of the placement box (8); and a sealing card plate (11) is clamped on the back face of the placement box (8).

2. The impurity filtering and defoaming device for an oil filter according to claim 1, characterized in that: A sealing disc (12) is provided on the front side of the threaded disc (7), and a convex strip is welded on the middle part of the front side of the sealing disc (12).

3. The impurity filtering and defoaming device for an oil filter according to claim 1, characterized in that: A pull rod (13) is welded to the middle of the rear end of the sealing clamping plate (11), and a circular receiving groove is provided on the rear inner wall of the inner shell (5), and the pull rod (13) is inserted into the circular receiving groove.

4. The impurity filtering and defoaming device for an oil filter according to claim 1, characterized in that: The bottom end of the oil inlet interface (2) is provided with an adjustment pipe (14), the bottom end of the adjustment pipe (14) is connected to an extension pipe (15) inside the inner shell (5), and the extension pipe (15) is located on the other side above the placement box (8).

5. The impurity filtering and defoaming device for an oil filter according to claim 1, characterized in that: The two air vents (4) are both threadedly connected with dust-proof filter elements (16) that match them.

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