Filter element of double-cylinder filter

Abstract

The utility model relates to the field of filter elements, and particularly discloses a double-cylinder filter element which comprises a filter element mounting shell and a filter element, the filter element mounting shell is of a cylinder structure with an opening in the top, a mounting plate is arranged at the top of the filter element mounting shell, an oil inlet is formed in the middle of the mounting plate, and a nut mounting hole is further formed in the mounting plate. A filter element inserting groove is formed in the bottom of the filter element mounting shell, the periphery of the filter element is in threaded connection with the filter element inserting groove, the filter element is of a cylinder structure with an opening in the bottom, a limiting plate is arranged at the bottom of the filter element, an oil outlet is formed in the middle of the limiting plate, and the oil outlet and the opening in the bottom of the filter element are concentric. According to the oil return pipeline, the filter element can be detached, a worker can replace direct replacement of the filter element by cleaning the filter element and the filter element mounting shell, the filter element can be used repeatedly, the filter element is arranged to be of an outer filtering structure to replace an inner filtering structure in a traditional oil return pipeline, filtered impurities are left in the filter element mounting shell instead of the interior of the filter element, and therefore the oil return pipeline is more convenient to use. And the filter element can be cleaned more conveniently and quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter filter core field, concretely relates to a double cylinder filter filter core. BACKGROUND

[0002] The double cylinder filter is also called double cylinder oil return pipeline filter, which is composed of two single cylinder filters and a two-position six-way reversing valve, has simple structure and is convenient to use, and is provided with a bypass valve and a filter core pollution and blockage transmitter to achieve the purpose of ensuring system safety.

[0003] The oil return pipeline has high oil pressure and many impurities, so the filter core needs to be replaced frequently, and the existing filter core is mostly integrated with the mounting and fixing structure and the filter core, and needs to be replaced in whole when replacement is needed, for example, the FAX type filter core produced by the Langfang Su Mai Filtration Equipment Co., Ltd.

[0004] In order to save cost, a filter core capable of being used repeatedly is needed to replace the existing disposable filter core. UTILITY MODEL CONTENTS

[0005] The utility model is to solve the technical problems mentioned in the above background art, and the following technical scheme is provided.

[0006] A double cylinder filter filter core, comprising a filter core mounting shell and a filter core, the filter core mounting shell is a cylindrical structure with an open top, the filter core mounting shell is provided with a mounting plate at the top, the mounting plate is provided with an oil inlet in the middle, and the mounting plate is also provided with a plurality of nut mounting holes, the filter core mounting shell is provided with a filter core insertion slot at the bottom, the outer periphery of the filter core is threadedly connected with the filter core insertion slot, the filter core is a cylindrical structure with an open bottom, the filter core is provided with a limiting plate at the bottom, the limiting plate is provided with an oil outlet in the middle, and the oil outlet is concentric with the bottom opening of the filter core.

[0007] Preferably, the filter core is provided with a filter core support frame, the filter core support frame comprises a top support disc, a plurality of support rods and a bottom mounting disc, the plurality of support rods are arranged in an annular array on the bottom mounting disc, the bottom mounting disc is provided with a notch in the middle, the notch is concentric with the oil outlet, and the top support disc is mounted on the top of the support rod.

[0008] Preferably, the inside of the support rod is provided with a reinforcing ring.

[0009] Preferably, the bottom of the filter element mounting shell is provided with an annular filter element insertion slot, the outer periphery of the filter element mounting shell is provided with a plurality of filter grooves, the filter grooves are in communication with the annular filter element insertion slot, the annular filter element insertion slot is located at the outer periphery of the filter element insertion slot, a second filter element is arranged in the annular filter element insertion slot, and an annular sealing block is arranged on the limiting plate and corresponds in position and size to the annular filter element insertion slot.

[0010] Preferably, the bottom of the annular filter element insertion slot is provided with a sealing soft pad.

[0011] The beneficial effects of the utility model are:

[0012] 1. The filter element mounting shell and the filter element are detachably connected, so that the filter element can be disassembled, the staff can replace the filter element directly by cleaning the filter element and the filter element mounting shell, the filter element can be used repeatedly, the filter element is provided in an outer filtering structure, the traditional inner filtering structure in the oil return pipeline is replaced, impurities filtered are left in the filter element mounting shell instead of the filter element, and the filter element is convenient and fast to clean.

[0013] 2. The filter element support frame is arranged, the structural strength of the filter element is enhanced, and the filter element is prevented from being deformed by being pressed inward due to excessively high oil pressure.

[0014] 3. The annular filter element insertion slot is arranged on the filter element mounting shell, and the second filter element is arranged in the insertion slot, so that the second filter element can be used to perform filtering work at the same time, the oil pressure is relieved, and the filtering efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is a schematic diagram of the utility model embodiment two structure;

[0017] Figure 3 It is a schematic diagram of the utility model embodiment three structure.

[0018] In the drawing: 1, filter element mounting shell; 1-1, filter element insertion slot; 1-2, annular filter element insertion slot; 1-3, filter groove; 2, filter element; 3, mounting plate; 3-1, oil inlet; 3-2, nut mounting hole; 4, limiting plate; 4-1, oil outlet; 5, filter element support frame; 5-1, top support disc; 5-2, support rod; 5-3, bottom mounting disc; 5-4, notch; 5-5, reinforcing ring; 6, second filter element; 7, annular sealing block; 8, sealing soft pad. DETAILED DESCRIPTION

[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments.

[0020] In the description of the utility model, it needs to be understood that in this paper, relationship terms such as first and second 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 the entities or operations. The connection mode described in the term "fixed connection", "fixed setting" includes but is not limited to "welding", "riveting", "adhesion", "screw connection". The term "including", "containing" or any other variant thereof is intended to cover non-exclusive containing, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes the elements inherent in such process, method, article or equipment

[0021] The orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0022] Embodiment one

[0023] With reference to Figure 1 A double-barrel filter element, comprising a filter element mounting shell 1 and a filter element 2, the filter element mounting shell 1 is a top opening cylindrical structure, the filter element mounting shell 1 top is provided with a mounting plate 3, the mounting plate 3 is provided with an oil inlet 3-1 in the middle, a plurality of nut mounting holes 3-2 are further provided on the mounting plate 3, the mounting plate 3 can be fixed in the filter through the nut mounting hole 3-2, the filter element mounting shell 1 bottom is provided with a filter element insertion slot 1-1, the filter element 2 outer periphery is threadedly connected with the filter element insertion slot 1-1, the filter element 2 is a bottom opening cylindrical structure, the filter element 2 bottom is provided with a limiting plate 4, the limiting plate 4 is provided with an oil outlet 4-1 in the middle, the oil outlet 4-1 is concentric with the filter element 2 bottom opening, the filter element 2 is inserted from the filter element insertion slot 1-1 at the bottom of the filter element mounting shell 1 in the direction from bottom to top, through this installation method, the internal filtering mode in the conventional oil return pipeline is changed to external filtering, this filtering mode will leave impurities in the filter element mounting shell 1 inside, the filter element 2 outside, so that it is more convenient to clean the filter element.

[0024] Embodiment two

[0025] With reference to Figure 2, filter core support frame 5 is arranged in filter core 2, filter core support frame 5 includes top support disc 5-1, several support rods 5-2 and bottom mounting disc 5-3, several support rods 5-2 are arranged in annular array on bottom mounting disc 5-3, bottom mounting disc 5-3 is provided with notch 5-4 in the middle, notch 5-4 is concentric with oil outlet 4-1, top support disc 5-1 is installed on the top of support rod 5-2, and reinforcing ring 5-5 is further arranged on the inner side of support rod 5-2.

[0026] In actual operation, if the external filtering mode is used for filtering due to the high oil pressure in the oil return pipeline, the filter core can be compressed and deformed under high pressure, therefore, filter core support frame 5 can improve the structural strength of the filter core and avoid deformation.

[0027] Example Three

[0028] With reference to Figure 3 , annular filter core insertion slot 1-2 is arranged at the bottom of filter core mounting shell 1, several filter grooves 1-3 are arranged on the outer periphery of filter core mounting shell 1, filter grooves 1-3 are communicated with annular filter core insertion slot 1-2, annular filter core insertion slot 1-2 is located on the outer periphery of filter core insertion slot 1-1, second filter core 6 is arranged in annular filter core insertion slot 1-2, annular sealing block 7 is arranged on limiting plate 4, the position and size of annular sealing block 7 correspond to annular filter core insertion slot 1-2, sealing soft pad 8 is arranged at the bottom of annular filter core insertion slot 1-2, second filter core 6 can share the filtering pressure of filter core 2, reduce the oil pressure, and also improve the filtering rate.

Claims

1. A double canister filter cartridge comprising a cartridge mounting housing (1) and a filter cartridge (2), characterized in that, The filter core mounting shell (1) is a top-opened cylindrical structure, the filter core mounting shell (1) is provided with an installation plate (3) at the top, the installation plate (3) is provided with an oil inlet (3-1) in the middle, the installation plate (3) is further provided with a plurality of nut mounting holes (3-2), the filter core mounting shell (1) is provided with a filter core slot (1-1) at the bottom, the filter core (2) is threadedly connected with the filter core slot (1-1) in the outer periphery, the filter core (2) is a bottom-opened cylindrical structure, the filter core (2) is provided with a limiting plate (4) at the bottom, the limiting plate (4) is provided with an oil outlet (4-1) in the middle, and the oil outlet (4-1) is concentric with the bottom opening of the filter core (2).

2. A dual canister filter cartridge according to claim 1 wherein, The filter core (2) is provided with a filter core support frame (5) inside, the filter core support frame (5) comprises a top support disc (5-1), a plurality of support rods (5-2) and a bottom mounting disc (5-3), a plurality of support rods (5-2) are annularly arranged on the bottom mounting disc (5-3), the bottom mounting disc (5-3) has a gap (5-4) at the middle position, the gap (5-4) is concentric with the oil outlet (4-1), and the top support disc (5-1) is installed at the top of the support rod (5-2).

3. A dual canister filter cartridge according to claim 2 wherein, The inside of the support rod (5-2) is provided with a reinforcing ring (5-5).

4. A dual canister filter cartridge according to claim 1 wherein, The bottom of the filter core mounting shell (1) is provided with an annular filter core slot (1-2), the outer periphery of the filter core mounting shell (1) is provided with a plurality of filter grooves (1-3), the filter grooves (1-3) are communicated with the annular filter core slot (1-2), the annular filter core slot (1-2) is located outside the filter core slot (1-1), the annular filter core slot (1-2) is provided with a second filter core (6) inside, the limiting plate (4) is provided with an annular sealing block (7), and the annular sealing block (7) is located and sized corresponding to the annular filter core slot (1-2).

5. A dual canister filter cartridge according to claim 4 wherein, The bottom of the annular filter core slot (1-2) is provided with a sealing soft pad (8).

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