Hydraulic oil filter element capable of flowing reversely

Abstract

The utility model discloses a hydraulic oil filter element capable of flowing reversely, which relates to the technical field of hydraulic oil filter elements and comprises a connecting cover, a sealing ring is fixedly mounted in the connecting cover, a threaded ring is fixedly mounted at the top of the connecting cover, and a threaded ring is connected in the threaded ring in an embedded manner. A filter element body is fixedly mounted at the top of the threaded ring, a connecting ring is fixedly mounted in the middle of the top of the connecting cover, a mounting ring is connected to the interior of the connecting ring in an embedded mode, and an inner supporting net is fixedly mounted at the top of the mounting ring. According to the hydraulic oil filter element capable of flowing reversely, the connecting ring and the mounting ring are in embedded connection through threads, so that the inner supporting net is fixed, the outer supporting net is supported and fixed through the supporting ring in the shell, and the filter element main body is clamped and fixed through the inner supporting net and the outer supporting net; therefore, when the hydraulic oil filter element capable of countercurrent flows, the filter element main body is supported, and the problem that the filter element is damaged is avoided.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic oil filter technology, specifically a reversible hydraulic oil filter. Background Technology

[0002] A hydraulic oil tank filter element is a filtration device used to remove impurities and contaminants from a hydraulic system. It is typically located within the hydraulic oil tank as part of the hydraulic system. The primary function of the hydraulic oil tank filter element is to protect the components of the hydraulic system from damage caused by particles, contaminants, and foreign matter. It effectively filters solid particles, moisture, oxidation products, and other impurities from the hydraulic oil to maintain the normal operation of the hydraulic system. Regularly replacing the hydraulic oil tank filter element is an important step in maintaining the performance and lifespan of the hydraulic system.

[0003] Most existing hydraulic oil filter elements can only perform unidirectional filtration. After prolonged use, impurities accumulate and cause blockages. Current replacement procedures require disassembling the filter to remove the filter element. However, the existing filtration structure does not provide sufficient support for the filter element. Therefore, when hydraulic oil flows back to flush the filter element, it can easily damage the filter element, thus affecting the cleaning and filtration effect. Utility Model Content

[0004] The purpose of this invention is to overcome the problem of easy backflow and reverse flushing of hydraulic oil in the existing technology, and to provide a reversible hydraulic oil filter element.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A reversible hydraulic oil filter element, comprising:

[0007] The connecting cover has a sealing ring fixedly installed inside, a threaded ring fixedly installed on the top of the connecting cover, a threaded ring fitted inside the threaded ring, a filter element body fixedly installed on the top of the threaded ring, a connecting ring fixedly installed in the middle of the top of the connecting cover, an installation ring fitted inside the connecting ring, an inner support mesh fixedly installed on the top of the installation ring, an outer shell fitted outside the threaded ring, a support ring fixedly installed inside the outer shell, an outer support mesh fixedly installed inside the support ring, a sealing ring fixedly installed inside the bottom of the outer shell, and a waterproof rotating shaft rotatably connected to the middle of the bottom of the outer shell.

[0008] In a preferred embodiment, an inlet pipe is fixedly installed in the middle of the interior of the connecting cover, and a connecting valve is fixedly installed below the middle of the inlet pipe. The connecting pipe is a structure for communication.

[0009] In a preferred implementation form, one side of the communication valve is fixedly provided with a waste liquid pipe, and a switch valve is fixedly arranged in the middle of the waste liquid pipe.

[0010] In a preferred implementation form, a first control valve is fixedly arranged above the middle of the liquid inlet pipe, and a high-pressure hose is fixedly arranged on one side of the first control valve.

[0011] In a preferred implementation form, a second control valve is fixedly arranged on one side of the high-pressure hose, and a liquid outlet pipe is fixedly arranged in the second control valve.

[0012] In a preferred implementation form, a limiting ring is fixedly arranged on the top of the liquid outlet pipe, and the limiting ring has a ring shape.

[0013] In a preferred implementation form, a mounting valve is fixedly arranged below the outer side of the liquid outlet pipe, and the mounting valve is used for controlling the switch.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The reversible hydraulic oil filter element is fixed by thread fitting connection between the connecting ring and the mounting ring, the outer support net is supported and fixed by the inner support ring in the shell, and the filter element main body is clamped and fixed by the inner support net and the outer support net, so that the filter element main body is supported when the reversible hydraulic oil filter element flows in reverse, the problem of damage of the filter element is avoided, the shell is rotated, the waterproof rotating shaft at the bottom is rotated, the liquid outlet pipe is rotated in the shell, and the shell is conveniently removed by sealing of the sealing ring.

[0016] 2. The reversible hydraulic oil filter element is opened by the first control valve and the second control valve, so that the hydraulic oil is sent into the inside of the liquid outlet pipe through the high-pressure hose, the mounting valve is closed, the hydraulic oil enters the inside of the shell, the filter element main body is reversely flushed, the waste oil enters the inside of the liquid inlet pipe, the waste oil enters the waste liquid pipe through the communication valve due to the closing of the first control valve and the opening of the switch valve, and the hydraulic oil filter element is reversely flowed, and the reverse flushing is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is an overall structure schematic view of the utility model;

[0018] Figure 2 It is a bottom view of the connecting cover in the utility model;

[0019] Figure 3 is a schematic view of the shell in the utility model;

[0020] Figure 4 is a schematic view of the liquid inlet pipe in the utility model.

[0021] 1, connecting cover; 11, sealing ring; 12, threaded ring; 13, threaded ring; 14, filter core main body; 15, connecting ring; 16, mounting ring; 17, inner support net; 2, shell; 21, support ring; 22, outer support net; 23, sealing ring; 24, waterproof rotating shaft; 3, liquid inlet pipe; 31, communication valve; 32, waste liquid pipe; 33, on-off valve; 34, first control valve; 35, high-pressure hose; 36, second control valve; 37, liquid outlet pipe; 38, limiting ring; 39, mounting valve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] The drawings are combined Figures 1-4 In the embodiment, a reversible hydraulic oil filter element comprises a connecting cover 1, the inside of the connecting cover 1 is fixedly installed with a sealing ring 11, the top of the connecting cover 1 is fixedly installed with a threaded ring 12, the inside of the threaded ring 12 is embeddedly connected with a threaded ring 13, the top of the threaded ring 13 is fixedly installed with a filter core main body 14, the top of the connecting cover 1 is fixedly installed with a connecting ring 15, the inside of the connecting ring 15 is embeddedly connected with a mounting ring 16, and the top of the mounting ring 16 is fixedly installed with an inner support net 17.

[0024] Specifically, the threaded ring 12 and the shell 2 are embeddedly connected through threads, so that the shell 2 is fixed, the threaded ring 12 and the threaded ring 13 are embeddedly connected through threads, so that the filter core main body 14 is fixed, and the connecting ring 15 and the mounting ring 16 are embeddedly connected through threads, so that the inner support net 17 is fixed.

[0025] The threaded ring 12 is embeddedly connected with the shell 2 on the outside, the inside of the shell 2 is fixedly installed with a support ring 21, the inside of the support ring 21 is fixedly installed with an outer support net 22, the bottom of the shell 2 is fixedly installed with a sealing ring 23 in the inside, and the waterproof rotating shaft 24 is rotatably connected in the middle of the bottom of the shell 2.

[0026] Specifically, the outer support net 22 is supported by the support ring 21 inside the shell 2, the liquid outlet pipe 37 is sealed and connected by the sealing ring 23 at the bottom of the shell 2, the liquid outlet pipe 37 is rotated inside the shell 2 by the waterproof rotating shaft 24, and the outer side of the filter core body 14 is supported by the outer support net 22, thereby improving the support force of the reversible hydraulic oil filter core and avoiding damage to the filter core body 14 by pressure when flowing in reverse.

[0027] The liquid inlet pipe 3 is fixedly installed in the middle of the inside of the connecting cover 1, the communication valve 31 is fixedly installed below the middle of the liquid inlet pipe 3, the waste liquid pipe 32 is fixedly installed on one side of the communication valve 31, the switch valve 33 is fixedly installed in the middle of the waste liquid pipe 32, the first control valve 34 is fixedly installed above the middle of the liquid inlet pipe 3, the high-pressure hose 35 is fixedly installed on one side of the first control valve 34, the second control valve 36 is fixedly installed on one side of the high-pressure hose 35, the liquid outlet pipe 37 is fixedly installed in the inside of the second control valve 36, the limiting ring 38 is fixedly installed on the top of the liquid outlet pipe 37, the limiting ring 38 is annular, and the installation valve 39 is fixedly installed below the outer side of the liquid outlet pipe 37.

[0028] Specifically, the first control valve 34 and the second control valve 36 are opened, so that the hydraulic oil enters the inside of the liquid outlet pipe 37 through the high-pressure hose 35, so that the hydraulic oil is sent into the inside of the shell 2 from the top of the liquid outlet pipe 37, so that the reversible hydraulic oil filter core is operated in reverse, the waste oil is sent into the inside of the waste liquid pipe 32 through the communication valve 31 and discharged, and the waste liquid pipe 32 is conveniently opened or closed through the switch valve 33.

[0029] Working principle: first, through the liquid inlet pipe 3 through the connecting cover 1 into the filter core body 14 inside, through the filter core body 14 after filtration, through the shell 2 bottom liquid outlet pipe 37 filtered hydraulic oil sent out, improve the convenience of the reversible flow of hydraulic oil filter core, through the thread ring 12 and shell 2 between the thread embedded connection, so as to fix the shell 2, through the thread ring 12 inside and thread ring 13 between the thread embedded connection, so as to fix the filter core body 14, through the connecting ring 15 and mounting ring 16 between the thread embedded connection, so as to fix the inner support net 17, through the shell 2 inside support ring 21 to support the outer support net 22, through the shell 2 bottom inside sealing ring 23 to sealing connection of liquid outlet pipe 37, through the waterproof shaft 24 is convenient for the liquid outlet pipe 37 in the inside of shell 2 rotation, through the outer support net 22 to the outside of filter core body 14 support, and the inner support net 17 to the inside of filter core body 14 support, thus improve the support force of the reversible flow of hydraulic oil filter core, avoid the reverse flow when the pressure damage filter core body 14, when the device needs to be reversed to the filter core body 14 reverse flushing, through the first control valve 34 and the second control valve 36 opening, so as to send hydraulic oil through the high pressure hose 35 into the liquid outlet pipe 37 inside, close the installation valve 39, so as to avoid the hydraulic oil flow out, through the liquid outlet pipe 37 into the shell 2 inside, so as to filter core body 14 reverse flow, because the first control valve 34 opening and high pressure hose 35 communication, so that waste oil through the communication valve 31 into the waste liquid pipe 32 inside, through the opening of the switch valve 33 opening, so as to discharge waste oil from the waste liquid pipe 32, improve the convenience of the reversible flow of hydraulic oil filter core.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A reversible flow hydraulic oil filter element characterized in that, The utility model provides a filter element, including connecting lid (1), the inside fixed mounting of connecting lid (1) has sealing ring (11), the top fixed mounting of connecting lid (1) has screw ring (12), the inside inlaying connection of screw ring (12) has screw ring (13), the top fixed mounting of screw ring (13) has filter core main part (14), the top fixed mounting of connecting lid (1) in the middle has connecting ring (15), the inside inlaying connection of connecting ring (15) has installation ring (16), the top fixed mounting of installation ring (16) has inner support net (17), the outside inlaying connection of screw ring (12) has shell (2), the inside fixed mounting of shell (2) has support ring (21), the inside fixed mounting of support ring (21) has outer support net (22), the bottom inside fixed mounting of shell (2) has sealing ring (23), the bottom in the middle rotatory connection of shell (2) has waterproof rotating shaft (24).

2. A reversible flow hydraulic oil filter element according to claim 1, wherein: The inside middle fixed mounting of connecting lid (1) has liquid inlet pipe (3), the middle below fixed mounting of liquid inlet pipe (3) has intercommunication valve (31).

3. A reversible flow hydraulic oil filter element according to claim 2, wherein: The side fixed mounting of intercommunication valve (31) has waste liquid pipe (32), the middle fixed mounting of waste liquid pipe (32) has switch valve (33).

4. A reversible flow hydraulic oil filter element according to claim 3 wherein: The middle top fixed mounting of liquid inlet pipe (3) has first control valve (34), the side fixed mounting of first control valve (34) has high pressure hose (35).

5. A reversible flow hydraulic oil filter element according to claim 4 wherein: The side fixed mounting of high pressure hose (35) has second control valve (36), the inside fixed mounting of second control valve (36) has liquid outlet pipe (37).

6. A reversible flow hydraulic oil filter element according to claim 5 wherein: The top fixed mounting of liquid outlet pipe (37) has limit ring (38), limit ring (38) presents annular shape.

7. A reversible flow hydraulic oil filter element according to claim 6 wherein: The outside below fixed mounting of liquid outlet pipe (37) has installation valve (39).

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