Hydraulic oil tank with good sealing and filtering effects

Abstract

The utility model relates to the technical field of hydraulic oil tanks, and discloses a hydraulic oil tank with a good sealing and filtering effect, which comprises an oil tank shell, the top of the oil tank shell is fixedly communicated with an oil return device shell, a filter element shell is arranged in the oil return device shell, a fine filter element is arranged in the filter element shell, and the fine filter element is arranged in the oil return device shell. A coarse filter element is fixedly connected to the bottom end of the fine filter element, a connecting groove is formed in the bottom end of the filter element shell, a rotating groove is formed in the top of the connecting groove, a spring is fixedly connected to the interior of the rotating groove, and an extrusion ring is fixedly connected to the bottom end of the spring. According to the hydraulic oil tank shell, the oil tank shell and the oil return device shell are integrally formed in a rotational molding mode, the sealing performance of connection between the oil tank shell and the oil return device shell is improved, the risk of oil leakage at the follow-up connecting position is reduced, the overall weight of the oil tank shell is reduced, meanwhile, the overall manufacturing efficiency of the hydraulic oil tank can be improved, and the manufacturing cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil tank technical field especially relates to a kind of hydraulic oil tank with good sealing filtration effect. BACKGROUND

[0002] Hydraulic oil tank refers to the container for storing oil required to ensure the work of hydraulic system, according to whether oil tank liquid level is communicated with atmosphere, oil tank can be divided into open type and closed type two, the main role of hydraulic oil tank is to store oil, in addition, it also plays the role of heat dissipation, impurity deposition and air escape of oil, according to whether oil tank liquid level is communicated with atmosphere, oil tank can be divided into open type and closed type two, open tank is used in general hydraulic system;Closed tank is used in underwater and hydraulic system with strict requirements on working stability and noise.

[0003] At present, during the use of hydraulic oil tank, the oil return device is usually installed separately on the oil tank, which makes the connection prone to oil leakage during long-term use, and since the oil return device is mostly made of metal, it not only increases the overall weight of the device, but also increases the manufacturing cost of the device. At the same time, the filter element inside the device often stores a lot of metal impurities during use, which needs to be cleaned regularly. Since the filter element is usually opened at the bottom and mostly fixed by screwing, it is necessary to unscrew the base before opening the filter element and cleaning the metal impurities inside, and after cleaning is completed, the base also needs to be reset by screwing, which is more troublesome and inconvenient, and thus reduces the cleaning efficiency of the metal impurities inside the filter element.

[0004] Therefore, it is necessary to provide a hydraulic oil tank with good sealing filtration effect to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a hydraulic oil tank with good sealing filtration effect.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of hydraulic oil tank with good sealing filtration effect, including oil tank shell, the top of the oil tank shell is fixedly connected with oil returner shell, the inside of the oil returner shell is provided with filter core shell, the inside of the filter core shell is provided with fine filter core, the bottom end of the fine filter core is fixedly connected with coarse filter core, the bottom end of the filter core shell is equipped with connecting groove, the top of the connecting groove is equipped with rotating groove, the inside of the rotating groove is fixedly connected with spring, the bottom end of the spring is fixedly connected with extrusion ring, the bottom of the rotating groove inner wall is equipped with two locating grooves, the inside of two the locating grooves is provided with locating block, two the locating block is fixedly connected with bottom shell between, the bottom shell and filter core shell are all equipped with a plurality of filter holes, the filter core shell is equipped with a plurality of oil discharge ports, the oil tank shell is provided with circulation connection component, oil injection component and magnetic attraction component, two the locating block is oppositely arranged, a plurality of the oil discharge ports are arranged in the form of circular array.

[0007] As further description of the above technical solution:

[0008] The oil tank shell is provided with a pressure relief mechanism, and the inside of the oil returner shell is threadedly connected with a sealing cover.

[0009] As further description of the above technical solution:

[0010] The oil tank shell and the oil returner shell are integrally roll molded, which improves the sealing between the oil tank shell and the oil returner shell, reduces the risk of oil leakage at the subsequent connection, and reduces the overall weight of the oil tank shell. At the same time, it can improve the efficiency of the overall manufacturing of the hydraulic oil tank and reduce the manufacturing cost.

[0011] As further description of the above technical solution:

[0012] The outer surface of the filter core shell is provided with a sealing ring, and the extrusion ring is matched with the rotating groove. The setting of the sealing ring can prevent the circulating hydraulic oil from carrying metal debris into the inside of the hydraulic oil tank from the outer surface of the filter core shell.

[0013] As further description of the above technical solution:

[0014] The circulation connection component includes an oil return port and an oil suction port, the oil return port is fixedly connected to the front of the oil tank shell, and the oil suction port is fixedly connected to one side of the oil tank shell.

[0015] As further description of the above technical solution:

[0016] The oil injection component includes an oil injection port, the oil injection port is provided on the top of the oil tank shell, and the top of the oil tank shell is threadedly connected with a tank cover.

[0017] As a further description of the above technical solutions:

[0018] The bottom shell top is fixedly connected with a fixed plate, and the fixed plate is arranged in a ring shape.

[0019] As a further description of the above technical solutions:

[0020] The magnetic assembly comprises a permanent magnet, the permanent magnet is inserted into the fixed plate, the permanent magnet is arranged in a cylindrical shape, and the permanent magnet is matched with the inner wall diameter of the fixed plate.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1. Compared with the prior art, the hydraulic oil tank with good sealing and filtering effect is integrally roll-molded by the oil tank shell and the oil returner shell, which improves the sealing between the oil tank shell and the oil returner shell, reduces the risk of oil leakage at the subsequent connection, reduces the overall weight of the oil tank shell, improves the overall manufacturing efficiency of the hydraulic oil tank, and reduces the manufacturing cost.

[0023] 2. Compared with the prior art, the hydraulic oil tank with good sealing and filtering effect is cooperatively used by the filter core shell, the connecting groove, the rotating groove, the spring, the extrusion ring, the positioning groove and the positioning block, which can quickly and conveniently remove the bottom shell by pressing and rotating, facilitate cleaning of the metal impurities collected inside, avoid the continuous screwing and dismounting of workers to clean the metal chips, and require screwing to reinstall the metal chips after cleaning, so that the cleaning process of the metal chips is convenient and fast, and the cleaning efficiency of the metal impurities in the filter core is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 The utility model provides an overall structure three-dimensional schematic view of a hydraulic oil tank with good sealing and filtering effect;

[0025] Figure 2 The utility model provides a structure schematic view of an oil extraction port and an oil injection port of a hydraulic oil tank with good sealing and filtering effect;

[0026] Figure 3 The utility model provides a structure schematic view of a filter core shell and an oil discharge port of a hydraulic oil tank with good sealing and filtering effect;

[0027] Figure 4 The utility model provides a structure schematic view of a permanent magnet and a fixed plate of a hydraulic oil tank with good sealing and filtering effect;

[0028] Figure 5 The utility model provides a structure schematic view of a positioning groove and a connecting groove of a hydraulic oil tank with good sealing and filtering effect;

[0029] Figure 6 The utility model provides a positioning block and bottom shell etc. structure schematic diagram of hydraulic oil tank of sealed filtering effect good.

[0030] Legend:

[0031] 1, oil tank shell; 2, oil returner shell; 3, filter core shell; 4, fine filter core; 5, coarse filter core; 6, connecting groove; 7, rotating groove; 8, spring; 9, extrusion ring; 10, positioning groove; 11, positioning block; 12, bottom shell; 13, filter hole; 14, oil discharge port; 15, pressure relief mechanism; 16, sealing cover; 17, sealing ring; 18, oil return port; 19, oil extraction port; 20, oil filling port; 21, tank cover; 22, fixed plate; 23, permanent magnet. Specific embodiments

[0032] 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 protection scope of the utility model.

[0033] Reference Figures 1-6The utility model provides a kind of hydraulic oil tank of good sealing filtration effect: including oil tank shell 1, pressure relief mechanism 15 is provided on oil tank shell 1, the top of oil tank shell 1 is fixedly connected with oil returner shell 2, oil tank shell 1 and oil returner shell 2 are integrally rotational moulding, the inside screw thread connection of oil returner shell 2 has sealing cover 16, the inside of oil returner shell 2 is provided with filter core shell 3, the outer surface of filter core shell 3 is equipped with sealing ring 17, the inside of filter core shell 3 is provided with fine filter core 4, fine filter core 4 is fixedly connected with coarse filter core 5 in bottom end, the bottom end of filter core shell 3 is equipped with connecting groove 6, connecting groove 6 is equipped with rotating groove 7 in top, rotating groove 7 is fixedly connected with spring 8 in the inside, the bottom end of spring 8 is fixedly connected with extrusion ring 9, extrusion ring 9 is adapted with rotating groove 7, the bottom of rotating groove 7 inner wall is equipped with two locating grooves 10, the inside of two locating grooves 10 is provided with positioning block 11, two positioning blocks 11 are fixedly connected with bottom shell 12 between, bottom shell 12 and filter core shell 3 are all equipped with a plurality of filter holes 13, a plurality of oil discharge ports 14 are equipped on filter core shell 3, oil tank shell 1 is provided with circulating connection assembly, oil injection assembly and magnetic attraction assembly, the cooperation of filter core shell 3, connecting groove 6, rotating groove 7, spring 8, extrusion ring 9, locating groove 10 and positioning block 11 etc. structure's use, can be pressed and rotated in mode, bottom shell 12 is quickly and conveniently taken down, it is convenient to carry out cleaning work to the metal impurities collected in its inside, avoids the continuous screwing of worker and can only be cleaned to metal debris, and after cleaning, it also needs to be screwed and installed to reset, so that the cleaning process of metal debris is convenient and fast, and then the cleaning efficiency of metal impurities in filter core is improved.

[0034] Circulating connection assembly includes oil return port 18 and oil extraction port 19, oil return port 18 is fixedly connected in the front of oil tank shell 1, oil extraction port 19 is fixedly connected in one side of oil tank shell 1, through the setting of circulating connection assembly, hydraulic oil output can be used, and the used hydraulic oil is connected and injected into oil returner shell 2 again, so that the hydraulic oil is recycled.

[0035] Oil injection assembly includes oil injection port 20, oil injection port 20 is equipped in the top of oil tank shell 1, the top of oil tank shell 1 is screwedly connected with tank cover 21, through the setting of oil injection assembly, it can be supplemented in time when shortage appears in the process of using hydraulic oil, to ensure the use amount of hydraulic oil.

[0036] Bottom shell 12 top is fixedly connected with fixed plate 22, fixed plate 22 is annularly arranged, magnetic attraction assembly includes permanent magnet 23, permanent magnet 23 is inserted in the inside of fixed plate 22, through the setting of permanent magnet 23, the metal debris filtered and intercepted can be adsorbed, to avoid that debris adheres to the inner wall of fine filter core 4 and coarse filter core 5 and affects the filtration efficiency.

[0037] Working principle: when using, install the device to the use position, connect the oil return port 18 and the oil extraction port 19 with the corresponding pipeline, turn the box cover 21 to open the oil injection port 20, add the hydraulic oil to be used to the inside of the oil tank shell 1, and when the device is used, the hydraulic oil recycled to the inside of the oil tank shell 1 through the oil return port 18 will first pass through the injection of the fine filter element 4 and the coarse filter element 5 inside the oil returner shell 2, filter the metal chips and impurities carried in the hydraulic oil, and through the cooperation of the oil discharge port 14, the hole on the filter element and the filter hole 13, the filtered hydraulic oil is discharged into the oil tank shell 1 for use, and the filtered metal chips are adsorbed on the permanent magnet 23 under the action of the permanent magnet 23, so as to avoid the adhesion of the chips on the inner wall of the fine filter element 4 or the coarse filter element 5 and affect the filtering efficiency;

[0038] When the device is used for a period of time and the metal chips collected in the filter element shell 3 need to be cleaned, open the sealing cover 16, take out the filter element shell 3 and the structure of the collected chips inside it from the inside of the oil tank shell 1 and the oil returner shell 2, press the bottom shell 12 manually to make it move up, drive the two positioning blocks 11 to move up synchronously, extrude the extrusion ring 9 and the spring 8, and then the positioning block 11 moves out of the positioning groove 10 to the rotating groove 7, rotate the bottom shell 12 to drive the two positioning blocks 11 to rotate ninety degrees, then move it out through the connecting groove 6, separate the bottom shell 12 from the filter element shell 3, open it, and then clean the metal chips and impurities collected on the bottom shell 12 and adsorbed on the permanent magnet 23.

[0039] Finally, it should be pointed out that the above-mentioned is only the preferred embodiment of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A hydraulic oil tank with good sealing and filtering effect, comprising an oil tank shell (1), characterized in that: The top of the oil tank shell (1) is fixedly connected with an oil returner shell (2), the inside of the oil returner shell (2) is provided with a filter core shell (3), the inside of the filter core shell (3) is provided with a fine filter core (4), the bottom end of the fine filter core (4) is fixedly connected with a coarse filter core (5), the bottom end of the filter core shell (3) is provided with a connecting groove (6), the top of the connecting groove (6) is provided with a rotating groove (7), the inside of the rotating groove (7) is fixedly connected with a spring (8), the bottom end of the spring (8) is fixedly connected with a pressing ring (9), the bottom of the inner wall of the rotating groove (7) is provided with two positioning grooves (10), the inside of the two positioning grooves (10) is provided with a positioning block (11), the two positioning blocks (11) are fixedly connected with a bottom shell (12), a plurality of filter holes (13) are arranged on the bottom shell (12) and the filter core shell (3), a plurality of oil discharge ports (14) are arranged on the filter core shell (3), and the oil tank shell (1) is provided with a circulating connecting assembly, an oil injection assembly and a magnetic attraction assembly.

2. The hydraulic oil tank with good sealing and filtering effect according to claim 1, characterized in that: The oil tank shell (1) is provided with a pressure relief mechanism (15), and the inside of the oil returner shell (2) is threadedly connected with a sealing cover (16).

3. The hydraulic oil tank with good sealing and filtering effect according to claim 1, characterized in that: The oil tank shell (1) and the oil returner shell (2) are integrally roll-molded.

4. The hydraulic oil tank with good sealing and filtering effect according to claim 1, characterized in that: The outer surface of the filter core shell (3) is sleeved with a sealing ring (17), and the pressing ring (9) is matched with the rotating groove (7).

5. The hydraulic oil tank with good sealing and filtering effect according to claim 1, characterized in that: The circulating connecting assembly comprises an oil return port (18) and an oil suction port (19), the oil return port (18) is fixedly connected to the front surface of the oil tank shell (1), and the oil suction port (19) is fixedly connected to one side of the oil tank shell (1).

6. The hydraulic oil tank with good sealing and filtering effect according to claim 1, characterized in that: The oil injection assembly comprises an oil injection port (20), the oil injection port (20) is arranged on the top of the oil tank shell (1), and the top of the oil tank shell (1) is threadedly connected with a tank cover (21).

7. The hydraulic oil tank with good sealing and filtering effect according to claim 1, characterized in that: The top of the bottom shell (12) is fixedly connected with a fixed plate (22), and the fixed plate (22) is annularly arranged.

8. The hydraulic oil tank with good sealing and filtering effect according to claim 7, characterized in that: The magnetic attraction assembly comprises a permanent magnet (23), and the permanent magnet (23) is inserted into the inside of the fixed plate (22).

Images