High-pressure oil filtering device

Abstract

The utility model discloses a high-pressure oil liquid filtering device which comprises a protective cover, the lower end of the protective cover is fixedly connected with a base, a filter screen is fixedly installed in the middle of the upper end of the base, one side of the inner wall of the protective cover is fixedly connected with a supporting frame, the lower end of the supporting frame is fixedly connected with one end of the filter screen, and the other end of the supporting frame is fixedly connected with the filter screen. The inner wall of the supporting frame is slidably connected with a rotating rod. The filtering device is detached from the hydraulic equipment, the oil outlet pipe is blocked, the blow-off pipe is opened, then a cleaning agent enters the protective cover through the oil inlet pipe, and the threaded rod is rotated to drive the rotating rod to rotate; and in the rotating process of the threaded rod, the cleaning brush on the sealing cover and the mounting frame is driven to rotate and move along with the threaded rod, so that the input cleaning agent can flow out of the blow-off pipe and take away impurities brushed off by the cleaning brush, cleaning of the interior of the filter screen is achieved, operation is convenient, and the cleaning efficiency of the filter device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil filtering equipment, in particular to a high-pressure oil filtering device. Background Art

[0002] The filtration device of high-pressure oil is a key component to ensure its purity and stable operation of the system. The main function of high-pressure oil filters is to remove impurities, particulate matter and pollutants in the oil, thereby protecting the precision components in the system from wear and damage. They achieve this function through filter elements, filter plates and other filter media, which can block and capture tiny particles and suspended matter in the fluid.

[0003] The high-pressure oil filtering device currently used in the market filters the oil through a filter screen. After long-term use, there are many impurities in the filter screen and it needs to be cleaned. The existing method is to disassemble the entire device, clean it and then assemble it. This method is time-consuming and labor-intensive, and thus inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a high-pressure oil filtering device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-pressure oil filtering device, comprising a protective cover, the lower end of the protective cover is fixedly connected to a base, the middle part of the upper end of the base is fixedly installed with a filter screen, one side of the inner wall of the protective cover is fixedly connected to a support frame, the lower end of the support frame is fixedly connected to one end of the filter screen, the inner wall of the support frame is slidably connected to a rotating rod, one side of the outer wall of the rotating rod is fixedly connected to a sealing cover, one side of the sealing cover is fitted with one side of the support frame, and the other side of the outer wall of the rotating rod is fixedly connected to a plurality of mounting brackets, one end of each of the plurality of mounting brackets is fixedly connected to a cleaning brush, one end of the rotating rod is fixedly connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to the inner wall of the protective cover, and one side of the protective cover is fixedly connected to a sewage pipe.

[0006] As a further preferred embodiment of the present technical solution, a plurality of sealing rings are fixedly connected to the lower end of the sealing cover, a plurality of sealing grooves are opened at the upper end of the supporting frame, and the inner walls of the plurality of sealing grooves are clamped with the outer walls of the plurality of sealing rings.

[0007] As a further preferred embodiment of the present technical solution, a dust cover is clamped on the outer side wall of the sewage pipe.

[0008] As a further preferred embodiment of the present technical solution, one side of the base is fixedly connected to an oil inlet pipe, and the other side of the base is fixedly connected to an oil outlet pipe.

[0009] As a further preferred embodiment of the present technical solution, a fixing ring is fixedly connected to the middle part of the upper end of the protective cover, the inner wall of the fixing ring is threadedly connected to the outer wall of the threaded rod, a hexagonal limiting groove is opened on one side of the fixing ring, a hexagonal connecting column is fixedly connected to one end of the threaded rod, the outer wall of the hexagonal connecting column is slidably connected to the limiting ring, and one side of the limiting ring is clamped with the inner wall of the hexagonal limiting groove.

[0010] As a further preferred embodiment of the present technical solution, a mounting groove is provided on one side of the outer wall of the hexagonal connecting column, a return spring is fixedly connected to the inner wall of the mounting groove, an ejection column is fixedly connected to one end of the return spring, and the outer wall of the ejection column is slidably engaged with the outer wall of the limit ring.

[0011] The utility model provides a high-pressure oil filter device, which has the following beneficial effects:

[0012] (1) The utility model removes the filter device from the hydraulic equipment, blocks the oil outlet pipe, opens the drain pipe, and then allows the cleaning agent to enter the protective cover through the oil inlet pipe, and rotates the threaded rod to drive the rotating rod to rotate. During the rotation of the threaded rod, the sealing cover and the cleaning brush on the mounting frame are driven to rotate and move with the threaded rod, so that the input cleaning agent can flow out of the drain pipe and take away the impurities brushed by the cleaning brush, thereby achieving cleaning of the inside of the filter screen, facilitating operation, and improving the cleaning efficiency of the filter device.

[0013] (2) The utility model pushes the limit ring downward so that one side of the limit ring is clamped in the hexagonal limit groove and the other side of the limit ring is clamped on the hexagonal connecting column, thereby connecting the hexagonal connecting column and the fixed ring together. This prevents the worker from accidentally touching the hexagonal connecting column when the equipment is not cleaned, causing the hexagonal connecting column to rotate, resulting in a gap between the support frame and the sealing cover, causing oil waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the protective cover and the filter screen in the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the protective cover and the filter screen during cleaning of the utility model;

[0017] Figure 4 It is a schematic diagram of the exploded structure of the fixing ring and the hexagonal connecting column in the utility model;

[0018] In the figure: 1. Protective cover; 2. Base; 3. Oil inlet pipe; 4. Oil outlet pipe; 5. Drain pipe; 6. Dust cover; 7. Fixed ring; 8. Support frame; 9. Rotating rod; 10. Mounting frame; 11. Cleaning brush; 12. Sealing cover; 13. Filter screen; 14. Threaded rod; 15. Sealing groove; 16. Sealing ring; 17. Limiting ring; 18. Hexagonal connecting column; 19. Mounting groove; 20. Reset spring; 21. Ejector column; 22. Hexagonal limiting groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in this embodiment, a high-pressure oil filtering device includes a protective cover 1, the lower end of the protective cover 1 is fixedly connected to a base 2, a filter screen 13 is fixedly installed in the middle of the upper end of the base 2, one side of the inner wall of the protective cover 1 is fixedly connected to a support frame 8, the lower end of the support frame 8 is fixedly connected to one end of the filter screen 13, the inner wall of the support frame 8 is slidably connected to a rotating rod 9, one side of the outer wall of the rotating rod 9 is fixedly connected to a sealing cover 12, one side of the sealing cover 12 is fitted with one side of the support frame 8, and the other side of the outer wall of the rotating rod 9 is fixedly connected to a plurality of mounting frames 10, one end of each of the plurality of mounting frames 10 is fixedly connected to a cleaning brush 11, and one end of the rotating rod 9 is fixedly connected to a screw The threaded rod 14, the outer wall of the threaded rod 14 is threadedly connected to the inner wall of the protective cover 1, and one side of the protective cover 1 is fixedly connected with a drain pipe 5. It is removed from the hydraulic equipment through the filtering device, the oil outlet pipe 4 is blocked, the drain pipe 5 is opened, and the cleaning agent enters the protective cover 1 through the oil inlet pipe 3, and the threaded rod 14 is rotated to drive the rotating rod 9 to rotate. During the rotation of the threaded rod 14, the sealing cover 12 and the cleaning brush 11 on the mounting frame 10 are driven to rotate and move with the threaded rod 14, so that the input cleaning agent can flow out from the drain pipe 5 and take away the impurities brushed by the cleaning brush, thereby realizing the cleaning of the inside of the filter 13, facilitating the operation, and improving the cleaning efficiency of the filtering device.

[0021] like Figure 2 and Figure 3 As shown, a plurality of sealing rings 16 are fixedly connected to the lower end of the sealing cover 12, and a plurality of sealing grooves 15 are opened at the upper end of the supporting frame 8. The inner walls of the plurality of sealing grooves 15 are clamped with the outer walls of the plurality of sealing rings 16. The structural design of the sealing grooves 15 and the sealing rings 16 forms a labyrinth seal to improve the sealing effect.

[0022] like Figure 1 - Figure 3As shown, a dust cover 6 is clamped on the outer wall of the sewage pipe 5, and the sewage pipe 5 is covered by the dust cover 6 to prevent dust from entering the protective cover 1.

[0023] like Figure 1 - Figure 3 As shown, one side of the base 2 is fixedly connected with an oil inlet pipe 3, and the other side of the base 2 is fixedly connected with an oil outlet pipe 4. Through the structural design of the oil inlet pipe 3 and the oil outlet pipe 4, oil can enter and be discharged from the protective cover 1.

[0024] like Figure 2 - Figure 4 As shown, a fixing ring 7 is fixedly connected to the middle part of the upper end of the protective cover 1, and the inner wall of the fixing ring 7 is threadedly connected to the outer wall of the threaded rod 14. A hexagonal limiting groove 22 is opened on one side of the fixing ring 7, and a hexagonal connecting column 18 is fixedly connected to one end of the threaded rod 14. The outer wall of the hexagonal connecting column 18 is slidably connected to the limiting ring 17, and one side of the limiting ring 17 is clamped with the inner wall of the hexagonal limiting groove 22. The limiting ring 17 is pushed downward to clamp one side of the limiting ring 17 in the hexagonal limiting groove 22, and the other side of the limiting ring 17 is clamped on the hexagonal connecting column 18, thereby connecting the hexagonal connecting column 18 with the fixing ring 7 to prevent the staff from accidentally touching the hexagonal connecting column 18 when the equipment is not cleaned, causing the hexagonal connecting column 18 to rotate, so that there will be a gap between the supporting frame 8 and the sealing cover 12, resulting in oil waste.

[0025] like Figure 4 As shown, a mounting groove 19 is provided on one side of the outer wall of the hexagonal connecting column 18, a return spring 20 is fixedly connected to the inner wall of the mounting groove 19, one end of the return spring 20 is fixedly connected to an ejection column 21, the outer wall of the ejection column 21 is slidably engaged with the outer wall of the limit ring 17, and the cooperation between the return spring 20 and the ejection column 21 can fix the limit ring 17 to prevent the limit ring 17 from falling when the threaded rod 14 is rotated.

[0026] The utility model provides a high-pressure oil filter device, and the specific working principle is as follows:

[0027] When using the filter device, first, the high-pressure oil enters the protective cover 1 through the oil inlet pipe 3, the filter screen 13 filters the high-pressure oil, and the filtered high-pressure oil enters the equipment through the oil outlet pipe 4. When it is used for a long time and the filter device needs to be cleaned, the filter device is disassembled from the hydraulic equipment, the oil outlet pipe 4 is blocked, the drain pipe 5 is opened, the limit ring 17 is lifted upward, and the limit ring 17 is completely moved to the hexagonal connecting column 18, and then the cleaning agent enters the protective cover 1 through the oil inlet pipe 3, and the threaded rod 14 is rotated to drive the rotating rod 9 is rotated, and during the rotation of the threaded rod 14, the sealing cover 12 and the cleaning brush 11 on the mounting frame 10 are driven to rotate and move with the threaded rod 14, so that the input cleaning agent can flow out from the drain pipe 5 and take away the impurities brushed by the cleaning brush. After cleaning is completed, the limiting ring 17 is pushed downward, one side of the limiting ring 17 is clamped in the hexagonal limiting groove 22, and the other side of the limiting ring 17 is clamped on the hexagonal connecting column 18, so that the hexagonal connecting column 18 is connected with the fixing ring 7, and then the filter device is reinstalled on the equipment.

[0028] 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. A high-pressure oil filter device, comprising a protective cover (1), characterized in that: The lower end of the protective cover (1) is fixedly connected to a base (2), a filter screen (13) is fixedly installed in the middle of the upper end of the base (2), one side of the inner wall of the protective cover (1) is fixedly connected to a support frame (8), the lower end of the support frame (8) is fixedly connected to one end of the filter screen (13), the inner wall of the support frame (8) is slidably connected to a rotating rod (9), one side of the outer wall of the rotating rod (9) is fixedly connected to a sealing cover (12), one side of the sealing cover (12) is in contact with one side of the support frame (8), the other side of the outer wall of the rotating rod (9) is fixedly connected to a plurality of mounting frames (10), one end of each of the plurality of mounting frames (10) is fixedly connected to a cleaning brush (11), one end of the rotating rod (9) is fixedly connected to a threaded rod (14), the outer wall of the threaded rod (14) is threadedly connected to the inner wall of the protective cover (1), and one side of the protective cover (1) is fixedly connected to a sewage pipe (5).

2. A high-pressure oil filter device according to claim 1, characterized in that: The lower end of the sealing cover (12) is fixedly connected to a plurality of sealing rings (16), the upper end of the support frame (8) is provided with a plurality of sealing grooves (15), and the inner walls of the plurality of sealing grooves (15) are clamped with the outer walls of the plurality of sealing rings (16).

3. A high-pressure oil filter device according to claim 1, characterized in that: The outer side wall of the sewage discharge pipe (5) is clamped with a dust cover (6).

4. A high-pressure oil filter device according to claim 1, characterized in that: One side of the base (2) is fixedly connected to an oil inlet pipe (3), and the other side of the base (2) is fixedly connected to an oil outlet pipe (4).

5. A high-pressure oil filter device according to claim 1, characterized in that: A fixing ring (7) is fixedly connected to the middle part of the upper end of the protective cover (1), the inner wall of the fixing ring (7) is threadedly connected to the outer wall of the threaded rod (14), a hexagonal limiting groove (22) is opened on one side of the fixing ring (7), one end of the threaded rod (14) is fixedly connected to a hexagonal connecting column (18), the outer wall of the hexagonal connecting column (18) is slidably connected to the limiting ring (17), and one side of the limiting ring (17) is clamped with the inner wall of the hexagonal limiting groove (22).

6. A high-pressure oil filter device according to claim 5, characterized in that: A mounting groove (19) is provided on one side of the outer wall of the hexagonal connecting column (18); a return spring (20) is fixedly connected to the inner wall of the mounting groove (19); one end of the return spring (20) is fixedly connected to an ejection column (21); and the outer wall of the ejection column (21) is slidably engaged with the outer wall of the limiting ring (17).

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