Oil filter with oil residue recovery function

Abstract

The utility model discloses an oil filter with an oil residue recovery function, which comprises an oil filter box body, an oil filter box is mounted above the oil filter box body, an oil residue filtering tank is hermetically connected inside an oil filter pump through a pipeline, a first sealing shaft tube is mounted at the lower end of the oil residue filtering tank, and a second sealing shaft tube is mounted at the lower end of the oil residue filtering tank. The lower end of the first sealing shaft pipe is hermetically connected with a second sealing shaft pipe through a filter pipe, one end of the second sealing shaft pipe is fixedly screwed with a filtrate branch pipeline through threads, one end of the filtrate branch pipeline is hermetically connected with a three-way pipe fitting through a bent pipe assembly, and one end of the three-way pipe fitting is connected with a first recycling branch pipe through a sealing shaft pipe; and the other end of the three-way pipe fitting is connected with a second recovery branch pipe through a sealing shaft pipe. According to the oil filter disclosed by the utility model, the oil residue filtering mechanism on the oil filter box body is conveniently sealed, assembled and fixed, and a plurality of quick-release filtering pipelines and oil residue recycling pipes are arranged at all joints of the oil residue filtering tank, so that oil residues can be conveniently recycled and cleaned regularly.

Description

Technical Field

[0001] The utility model relates to the technical field of oil filters, in particular to an oil filter with an oil residue recovery function. Background Art

[0002] The oil filter usually refers to the filtering equipment for filtering hydraulic oil. It is generally composed of a housing and a filter element. According to the material of the filter element, it can be divided into paper filter element oil filter, chemical fiber filter element oil filter, glass fiber filter element oil filter, stainless steel filter element oil filter, etc. According to the structural form, it can be divided into mesh oil filter, line gap oil filter, folded filter element oil filter, sintered oil filter, magnetic oil filter, etc. According to the different positions of the oil filter, it can also be divided into suction oil filter, pipeline oil filter, and return oil filter. Considering the self-priming performance of the pump, the suction oil filter is generally a coarse filter.

[0003] The Chinese authorized patent document with publication number CN201543306U discloses an oil filter with heating and heat preservation functions, including a barrel, a filter element, an oil inlet, and an oil outlet, characterized in that a jacket is provided outside the barrel, the outer ports of the oil inlet and the oil outlet are both located outside the jacket, and a heating medium inlet and outlet are provided on the jacket, and the heating medium inlet and outlet are both communicated with the inner cavity of the jacket. The utility model can be applied to oil with high viscosity or low temperature, does not affect the structure of the pipeline system, and has low cost.

[0004] The above-mentioned prior art is unable to quickly recover and clean the oil residue after oil filtration, resulting in a large amount of oil residue remaining inside the pipeline, causing blockage. Therefore, it is necessary to develop an oil filter with an oil residue recovery function. Utility Model Content

[0005] The purpose of the utility model is to provide an oil filter with an oil residue recovery function, so as to solve the problem that the prior art proposed in the above background technology cannot quickly recover and clean the oil residue after oil filtration, resulting in a large amount of oil residue remaining inside the pipeline and causing blockage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil filter with oil residue recovery function, comprising an oil filter case, an oil filter box is installed above the oil filter case, an oil filter pump is installed on the oil filter box, the interior of the oil filter pump is sealed and connected to an oil residue filter tank through a pipeline, a first sealing shaft tube is installed at the lower end of the oil residue filter tank, the lower end of the first sealing shaft tube is sealed and connected to a second sealing shaft tube through a filter tube, one end of the second sealing shaft tube is fixed with a filtrate branch pipeline by a threaded connection, one end of the filtrate branch pipeline is sealed and connected to a three-way pipe fitting through a bend assembly, one end of the three-way pipe fitting is connected to a first recovery branch pipe through a sealing shaft tube, and the other end of the three-way pipe fitting is connected to a second recovery branch pipe through a sealing shaft tube.

[0007] Based on the above, the first sealing shaft tube and the second sealing shaft tube are both fixed to the filter tube by screw thread connection.

[0008] Based on the above, a first control branch valve is installed on the first recovery branch pipe, and a second control branch valve is installed on the second recovery branch pipe.

[0009] Based on the above, the upper end of the oil residue filter tank is connected to a three-way assembly through a sealing shaft tube.

[0010] Based on the above, a reagent feed pipe is installed at one end of the three-way assembly, and a slag recovery pipeline is installed at the other end of the three-way assembly.

[0011] Based on the above, one end of the slag recovery pipeline is sealed and connected to a slag pump.

[0012] Based on the above, an oil residue filter screen structure is provided inside the oil residue filter tank.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model conveniently seals, assembles and fixes the oil residue filtering mechanism on the oil filter box, and provides a plurality of quick-release filtering pipelines and oil residue recovery pipes at various connection points of the oil residue filter tank. The oil residue discharge recovery pipeline can be quickly assembled and fixed by utilizing the sealing shaft pipe threaded connection structure in conjunction with a three-way pipe fitting and an elbow assembly. At the same time, it is convenient to quickly disassemble each pipeline after the oil filtering operation is completed, so that the oil residue can be recovered and cleaned regularly, and the blockage of the oil residue inside the pipeline can be effectively avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side structural schematic diagram of the utility model;

[0017] Figure 3 It is a side view of the utility model.

[0018] In the figure: 1. Reagent feed pipe; 2. Three-way assembly; 3. Oil residue filter tank; 4. First sealing shaft pipe; 5. Filter pipe; 6. Slag recovery pipeline; 7. Slag pump; 8. Second sealing shaft pipe; 9. Filtrate branch pipeline; 10. Bend pipe assembly; 11. Three-way pipe fitting; 12. First recovery branch pipe; 13. Second recovery branch pipe; 14. Second control branch valve; 15. Oil filter box; 16. First control branch valve; 17. Oil filter box; 18. Oil filter pump. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-3 The utility model provides an embodiment: an oil filter with an oil residue recovery function, comprising an oil filter box 15, an oil filter box 17 is installed above the oil filter box 15, an oil filter pump 18 is installed on the oil filter box 17, the interior of the oil filter pump 18 is sealed and connected with an oil residue filter tank 3 through a pipeline, a first sealing shaft tube 4 is installed at the lower end of the oil residue filter tank 3, the lower end of the first sealing shaft tube 4 is sealed and connected with a second sealing shaft tube 8 through a filter tube 5, one end of the second sealing shaft tube 8 is screwed and fixed with a filtrate branch pipeline 9 through a thread, one end of the filtrate branch pipeline 9 is sealed and connected with a three-way pipe fitting 11 through a bend assembly 10, one end of the three-way pipe fitting 11 is connected with a first recovery branch pipe 12 through a sealing shaft pipe, and the other end of the three-way pipe fitting 11 is connected with a second recovery branch pipe 13 through a sealing shaft pipe.

[0021] Furthermore, the first sealing shaft tube 4 and the second sealing shaft tube 8 are both fixed to the filter tube 5 by screw thread connection, which has the advantages of tight and stable connection and convenient and quick assembly and disassembly.

[0022] Furthermore, a first control branch valve 16 is installed on the first recovery branch pipe 12 , and a second control branch valve 14 is installed on the second recovery branch pipe 13 , so as to conveniently control the internal circulation of the first recovery branch pipe 12 and the second recovery branch pipe 13 .

[0023] Furthermore, the upper end of the oil residue filter tank 3 is connected to a three-way assembly 2 through a sealing shaft tube.

[0024] Furthermore, a reagent feed pipe 1 is installed at one end of the three-way component 2, and a slag recovery pipeline 6 is installed at the other end of the three-way component 2. The relevant dissolving reagent can be added from the reagent feed pipe 1 to the inside of the oil residue filter tank 3 to facilitate the dissolution of the oil pollution.

[0025] Furthermore, one end of the slag recovery pipeline 6 is sealed and connected to a slag pump 7 to facilitate the discharge of oil residue through the slag recovery pipeline 6 .

[0026] Furthermore, an oil residue filter screen structure is provided inside the oil residue filter tank 3 to facilitate filtering of the oil residue.

[0027] Working principle: when in use, a first sealing shaft tube 4 is installed at the lower end of the oil residue filter tank 3, and the lower end of the first sealing shaft tube 4 is sealed and connected to the second sealing shaft tube 8 through the filter tube 5, and one end of the second sealing shaft tube 8 is fixed with a filtrate branch pipeline 9 through a threaded connection, and one end of the filtrate branch pipeline 9 is sealed and connected to a three-way pipe fitting 11 through a bend pipe assembly 10, and one end of the three-way pipe fitting 11 is connected to a first recovery branch pipe 12 through a sealing shaft tube, and the other end of the three-way pipe fitting 11 is connected to a second recovery branch pipe 13 through a sealing shaft tube. By turning on the oil filter pump 18, the oil is sucked into the oil residue filter tank 3 through the first recovery branch pipe 12 and the second recovery branch pipe 13 pumps. The interior of the oil residue filter tank 3 is provided with an oil residue filter screen structure to facilitate filtering of the oil residue, and the upper end of the oil residue filter tank 3 is sealed The shaft tube is connected with a three-way component 2, one end of the three-way component 2 is installed with a reagent feed pipe 1, and the other end of the three-way component 2 is installed with a slag recovery pipeline 6. The relevant dissolving reagent can be put into the oil residue filter tank 3 from the reagent feed pipe 1 to dissolve the oil pollution. When it is necessary to clean and recover the oil residue inside the pipeline and the oil residue filter tank 3, on the one hand, by turning on the slag pump 7, the oil residue can be discharged through the slag recovery pipeline 6. There is still a part of the residual oil residue in the pipeline. By utilizing the sealing shaft tube threaded connection structure in conjunction with the three-way pipe and the bent pipe fittings, the oil residue discharge recovery pipeline can be quickly assembled and fixed. At the same time, it is convenient to quickly disassemble each pipeline after the oil filtering operation is completed, so that the oil residue can be regularly recovered and cleaned, and the oil residue blockage inside the pipeline can be effectively avoided.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil filter with oil residue recovery function, comprising an oil filter housing (15), characterized in that: An oil filter box (17) is installed above the oil filter housing (15), an oil filter pump (18) is installed on the oil filter box (17), the interior of the oil filter pump (18) is sealedly connected to an oil residue filter tank (3) via a pipeline, a first sealing shaft tube (4) is installed at the lower end of the oil residue filter tank (3), the lower end of the first sealing shaft tube (4) is sealedly connected to a second sealing shaft tube (8) via a filter tube (5), one end of the second sealing shaft tube (8) is screwed and fixed with a filtrate branch pipeline (9) via a thread, one end of the filtrate branch pipeline (9) is sealedly connected to a three-way pipe fitting (11) via a bend assembly (10), one end of the three-way pipe fitting (11) is connected to a first recovery branch pipe (12) via a sealing shaft tube, and the other end of the three-way pipe fitting (11) is connected to a second recovery branch pipe (13) via a sealing shaft tube.

2. The oil filter with oil residue recovery function according to claim 1, characterized in that: The first sealing shaft tube (4) and the second sealing shaft tube (8) are both screwed and fixed to the filter tube (5) via threads.

3. The oil filter with oil residue recovery function according to claim 1, characterized in that: A first control branch valve (16) is installed on the first recovery branch pipe (12), and a second control branch valve (14) is installed on the second recovery branch pipe (13).

4. The oil filter with oil residue recovery function according to claim 1, characterized in that: The upper end of the oil residue filter tank (3) is connected to a three-way assembly (2) via a sealing shaft tube.

5. The oil filter with oil residue recovery function according to claim 4, characterized in that: A reagent feed pipe (1) is installed at one end of the three-way assembly (2), and a slag recovery pipeline (6) is installed at the other end of the three-way assembly (2).

6. The oil filter with oil residue recovery function according to claim 5, characterized in that: One end of the slag recovery pipeline (6) is sealedly connected to a slag pump (7).

7. The oil filter with oil residue recovery function according to claim 1, characterized in that: An oil residue filter screen structure is arranged inside the oil residue filter tank (3).

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