Oil filter equipment of hydraulic station

By designing a hydraulic station oil filter equipment that uses oil pump, diverter valve, electronic valve and integrated filter connection, the problems of poor filtration effect of existing equipment and inconvenient replacement of filter nets are solved, and more efficient filtration and convenient maintenance are achieved.

CN222797826UActive Publication Date: 2025-04-25CHANGZHOU HAILIXIKE FLUID CONTROL TECH CO LTD
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Patent Information

Application Number
CN202421786217.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-04-25
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The existing hydraulic station oil filter equipment has poor filtration effect on hydraulic oil and is inconvenient to replace the filter net, resulting in the equipment not being able to operate normally when replacing the filter net, affecting use.

Method used

A hydraulic station oil filter equipment is designed, which adopts structures such as oil pump, shunt valve, electronic valve and filter box. Through the integrated connection between small holes and large hole filters, it realizes convenient cleaning and replacement of filters. Through the control of electronic valves, it ensures that the equipment can still filter normally when replacing or cleaning the filters.

Benefits of technology

It improves the filtration effect and practicality of the hydraulic station oil filter equipment, reduces the risk of equipment not being able to operate when the filter net is replaced, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222797826U_ABST
    Figure CN222797826U_ABST
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Abstract

The utility model relates to the technical field of oil filtering equipment, and discloses hydraulic station oil filtering equipment. The hydraulic station oil filtering equipment comprises an oil well pump, an oil well pipe is fixedly installed on one side of the oil well pump, a flow divider valve is fixedly installed on the other side of the oil well pump, two electronic valves are fixedly installed on the two sides of one side of the flow divider valve, and an oil outlet pipe is fixedly installed on one side of each electronic valve; a connecting groove is fixedly formed in one side of the oil outlet pipe, and a sealing connector is movably connected into the connecting groove. Hydraulic oil is pumped out of the oil pumping pipe through the oil well pump and then fed into the flow dividing valve, the hydraulic oil can be divided into the two electronic valves through the flow dividing valve, the oil can enter the two filtering structures from the oil outlet pipe to be filtered by opening the electronic valves, and when a single filtering structure needs to be maintained or cleaned, the filtering structure can be cleaned conveniently. And the electronic valve and the control valve on the same side are closed, so that the other side continues to filter oil.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil filter equipment, in particular to oil filter equipment for a hydraulic station. Background Art

[0002] Hydraulic oil is a hydraulic medium used in hydraulic systems that utilize liquid pressure energy. It plays a role in energy transmission, anti-wear, system lubrication, corrosion prevention, rust prevention, cooling, etc. in hydraulic systems. Hydraulic oil is usually stored in the hydraulic station of the hydraulic system. During long-term use, hydraulic oil will be contaminated by various impurities. Contaminated hydraulic oil will not only affect the normal operation of the hydraulic system.

[0003] The existing Chinese utility model patent with reference announcement number: CN213643279U discloses a hydraulic station return oil filter device, which relates to the field of hydraulic equipment technology, including a shell arranged on the return oil pipeline, the top wall of the shell is connected to the oil inlet pipe, the bottom wall of the shell is connected to the oil outlet pipe, a filter plate is arranged in the shell, a slag outlet is opened on the shell, a cleaning mechanism for removing impurities retained on the filter plate is arranged in the shell, the cleaning mechanism is arranged between the oil inlet pipe and the filter plate, and a sealing mechanism for blocking the slag outlet is arranged on the shell. The present application has the effect of removing the filter residue on the filter plate without the operator disassembling the entire filter device, reducing the number of times the filter plate is disassembled and cleaned, thereby reducing the frequency of disassembly of the filter device, and ultimately reducing the maintenance cost of the filter device in the later stage.

[0004] The existing hydraulic station oil filter equipment has a poor filtering effect on the hydraulic oil. At the same time, the existing hydraulic station oil filter equipment is not convenient for replacing the filter screen, and when the filter screen is replaced, the equipment cannot operate normally, thereby affecting the use of the equipment. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a hydraulic station oil filter device, which has the advantages of good filtering effect and easy replacement of the filter screen, and does not affect the equipment filtering when the filter screen is replaced, thereby solving the above technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil filter device of a hydraulic station, comprising: an oil pump, an oil suction pipe is fixedly installed on one side of the oil pump, a diverter valve is fixedly installed on the other side of the oil pump, two electronic valves are fixedly installed on both sides of one side of the diverter valve, an oil outlet pipe is fixedly installed on one side of the electronic valve, a connecting groove is fixedly installed on one side of the oil outlet pipe, a sealing connecting port is movably connected inside the connecting groove, a supporting ring is fixedly installed on the outside of the sealing connecting port, a sealing cover plate is fixedly installed on the top of the supporting ring, an internal threaded ring is fixedly installed inside one side of the sealing connecting port, a large-pore filter screen is movably connected inside the internal threaded ring, an external threaded ring is fixedly installed outside one side of the sealing connecting port, and a small-pore filter screen is movably connected inside the external threaded ring.

[0009] As a preferred technical solution of the utility model, a filter box is fixedly installed on the outer side of the oil outlet pipe, and a support groove is fixedly installed on one side of the inner side of the filter box, and the support groove is a structure for support.

[0010] As a preferred technical solution of the utility model, a control valve is fixedly installed on one side of the filter box, and a merging pipe is fixedly installed on one side of the control valve. The merging pipe is a structure used for merging.

[0011] As a preferred technical solution of the utility model, an oil return pipe is fixedly installed on one side of the merging pipe, and the oil return pipe is a structure for returning oil.

[0012] As a preferred technical solution of the utility model, an oil storage chamber is fixedly installed on one side of the oil return pipe, a hydraulic station body is fixedly installed on the outside of the oil storage chamber, and the oil storage chamber is a structure for storing hydraulic oil.

[0013] As a preferred technical solution of the utility model, a motor is fixedly installed on one side of the top of the hydraulic station body, and a support frame is fixedly installed on the lower side of one side of the hydraulic station body, and the support frame is a structure for support.

[0014] As a preferred technical solution of the utility model, an oil storage tank is fixedly installed on one side of the interior of the hydraulic station body, and the oil storage tank is a structure for storage.

[0015] Compared with the prior art, the utility model provides a hydraulic station oil filter device, which has the following beneficial effects:

[0016] 1. The utility model uses an oil pump to extract hydraulic oil from an oil extraction pipe and then deliver it to the inside of a diverter valve. The diverter valve can divert the hydraulic oil to the inside of two electronic valves. By opening the electronic valve, the oil can enter the two filter structures from the oil outlet pipe for filtration. When a single filter structure needs to be repaired or cleaned, the electronic valve and the control valve on the same side are closed to close one side, so that the other side continues to filter the oil, thereby improving practicality.

[0017] 2. The utility model makes it easy to disassemble the filter for cleaning and replacement by means of the interlocking connection between the small-pore filter and the external threaded ring, and the interlocking connection between the large-pore filter and the internal threaded ring. The filtering efficiency of the hydraulic station oil filter device can be improved by double-sided filtration. Large impurities are filtered first through the large-pore filter, and small impurities are filtered through the small-pore filter, thereby improving the filtering efficiency of the hydraulic station oil filter device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the oil well pump of the utility model;

[0020] Figure 3 This is a schematic diagram of the sealing connection port of the utility model;

[0021] Figure 4 This is a schematic diagram of the filter box of the utility model;

[0022] Figure 5 This is a schematic diagram of the main body of the hydraulic station of the utility model.

[0023] Among them: 1. Oil pump; 11. Oil pipe; 12. Diverter valve; 13. Electronic valve; 14. Oil outlet pipe; 15. Connection groove; 2. Sealing connection port; 21. Support ring; 22. Sealing cover plate; 23. Internal thread ring; 24. Large-hole filter; 25. External thread ring; 26. Small-hole filter; 3. Filter box; 31. Support groove; 32. Control valve; 33. Merging pipe; 34. Oil return pipe; 4. Hydraulic station body; 41. Motor; 42. Support frame; 43. Oil storage tank; 44. Oil storage chamber. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0025] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] See also Figure 1 - Figure 5 In this embodiment, a hydraulic station oil filter device includes: an oil pump 1, an oil extraction pipe 11 is fixedly installed on one side of the oil pump 1, a diverter valve 12 is fixedly installed on the other side of the oil pump 1, two electronic valves 13 are fixedly installed on both sides of one side of the diverter valve 12, an oil outlet pipe 14 is fixedly installed on one side of the electronic valve 13, and a connecting groove 15 is fixedly installed on one side of the oil outlet pipe 14.

[0028] Specifically, the oil is pumped into the oil extraction pipe 11 by the oil pump 1 and then sent to the diverter valve 12 for diversion, so that the oil is diverted to the inside of the two electronic valves 13. The electronic valve 13 can control the oil to enter the oil outlet pipe 14, and the connecting groove 15 can be engaged with the sealing connecting port 2.

[0029] A sealed connection port 2 is movably connected inside the connection groove 15, a support ring 21 is fixedly installed on the outside of the sealed connection port 2, a sealing cover plate 22 is fixedly installed on the top of the support ring 21, an internal threaded ring 23 is fixedly installed inside one side of the sealed connection port 2, a large-pore filter screen 24 is movably connected inside the internal threaded ring 23, an external threaded ring 25 is fixedly installed outside one side of the sealed connection port 2, and a small-pore filter screen 26 is movably connected inside the external threaded ring 25.

[0030] Specifically, the top of the filter box 3 can be sealed through the sealing cover plate 22, the large-pore filter screen 24 can be connected through the internal thread ring 23, and the small-pore filter screen 26 can be connected through the external thread ring 25.

[0031] A filter box 3 is fixedly installed on the outer side of the oil outlet pipe 14 , and a support groove 31 is fixedly installed on one side of the inner side of the filter box 3 .

[0032] A control valve 32 is fixedly installed on one side of the filter box 3 , and a merging pipe 33 is fixedly installed on one side of the control valve 32 .

[0033] An oil return pipe 34 is fixedly installed on one side of the merging pipe 33 .

[0034] Specifically, the small-pore filter screen 26 can be supported by the support groove 31 inside the filter box 3, the oil can be controlled to enter the merging pipe 33 for merging through the control valve 32, and the filtered oil can be returned through the return oil pipe 34.

[0035] An oil storage chamber 44 is fixedly installed on one side of the oil return pipe 34 , and a hydraulic station body 4 is fixedly installed on the outer side of the oil storage chamber 44 .

[0036] A motor 41 is fixedly mounted on one side of the top of the hydraulic station body 4 , and a support frame 42 is fixedly mounted on the lower side of one side of the hydraulic station body 4 .

[0037] An oil storage tank 43 is fixedly installed on one side of the interior of the hydraulic station body 4 .

[0038] Specifically, the oil is stored in the oil storage tank 43, the filtered oil can be stored in the oil storage chamber 44, and the filter box 3 is supported by the support frame 42, thereby improving the stability of the oil filter equipment of the hydraulic station.

[0039] When in use, the oil pump 1 is operated, so that the oil inside the oil storage tank 43 is sucked in through the oil extraction pipe 11 and then sent to the inside of the diverter valve 12. The diverter valve 12 can divide the oil into two parts, and the electronic valve 13 is controlled to control the oil to enter the inside of the oil outlet pipe 14, so that the oil is sent to the inside of the two filter boxes 3. First, the larger impurities in the hydraulic oil are filtered and intercepted by two large-pore filter screens 24, and then the smaller impurities in the hydraulic oil are filtered through the small-pore filter screen 26 after filtering, thereby improving the filtering effect of the hydraulic station oil filter equipment and avoiding the problem of clogging of the filter screen affecting the filtering efficiency. The oil is filtered by the two filter boxes 3 at the same time, thereby improving the filtering effect and practicality of the hydraulic station oil filter equipment. When the filtering structure needs to be cleaned or replaced, the electronic valve 13 and the control valve 32 on one side are closed, so that the hydraulic oil is filtered through the other filter box 3, thereby avoiding the problem of clogging of the filter screen. The problem that the oil filter device of the hydraulic station cannot filter when it is replaced and cleaned is solved, and the practicality of the oil filter device of the hydraulic station is improved. The sealing cover plate 22 is opened by screwing the bolts, and the sealing connection port 2 can be removed through the movable connection between the sealing connection port 2 and the connection groove 15. The large-pore filter screen 24 and the small-pore filter screen 26 can be removed through the chimeric connection between the internal thread ring 23 and the large-pore filter screen 24, and the chimeric connection between the external thread ring 25 and the small-pore filter screen 26, so as to facilitate cleaning or replacement, thereby improving the convenience of the oil filter device of the hydraulic station. The small-pore filter screen 26 can be supported by the support groove 31, thereby improving the stability of the oil filter device of the hydraulic station. The filtered oil can be merged through the merging pipe 33 and then sent from the return oil pipe 34 to the inside of the oil storage chamber 44, thereby improving the practicality of the oil filter device of the hydraulic station. The two filter boxes 3 can be supported by the support frame 42, thereby improving the stability of the oil filter device of the hydraulic station.

[0040] 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 hydraulic station oil filter device, characterized in that: include: An oil pump (1), wherein an oil pump pipe (11) is fixedly mounted on one side of the oil pump (1), a diverter valve (12) is fixedly mounted on the other side of the oil pump (1), two electronic valves (13) are fixedly mounted on both sides of one side of the diverter valve (12), an oil outlet pipe (14) is fixedly mounted on one side of the electronic valve (13), a connecting groove (15) is fixedly mounted on one side of the oil outlet pipe (14), a sealing connecting port (2) is movably connected to the inside of the connecting groove (15), and the A support ring (21) is fixedly mounted on the outer side of the sealing connection port (2), a sealing cover plate (22) is fixedly mounted on the top of the support ring (21), an internal threaded ring (23) is fixedly mounted on one side of the sealing connection port (2), a large-pore filter screen (24) is movably connected to the inside of the internal threaded ring (23), and an external threaded ring (25) is fixedly mounted on the outside of one side of the sealing connection port (2), a small-pore filter screen (26) is movably connected to the inside of the external threaded ring (25).

2. The hydraulic station oil filter device according to claim 1, characterized in that: A filter box (3) is fixedly mounted on the outer side of the oil outlet pipe (14), and a support groove (31) is fixedly mounted on one side of the inner side of the filter box (3).

3. The hydraulic station oil filter device according to claim 2, characterized in that: A control valve (32) is fixedly mounted on one side of the filter box (3), and a merging pipe (33) is fixedly mounted on one side of the control valve (32).

4. The oil filter device for a hydraulic station according to claim 3, characterized in that: An oil return pipe (34) is fixedly mounted on one side of the merging pipe (33).

5. The hydraulic station oil filter device according to claim 4, characterized in that: An oil storage chamber (44) is fixedly mounted on one side of the oil return pipe (34), and a hydraulic station body (4) is fixedly mounted on the outside of the oil storage chamber (44).

6. The oil filter device for a hydraulic station according to claim 5, characterized in that: A motor (41) is fixedly mounted on one side of the top of the hydraulic station body (4), and a support frame (42) is fixedly mounted on the lower side of one side of the hydraulic station body (4).

7. The hydraulic station oil filter device according to claim 6, characterized in that: An oil storage tank (43) is fixedly mounted on one side of the interior of the hydraulic station body (4).

Citation Information

Patent Citations

  • Return oil filtering device of hydraulic station

    CN213643279U