CN210686314U

CN210686314U - Lubricating oil filtering device

Info

Publication number: CN210686314U
Application number: CN201920931250.5U
Authority: CN
Inventors: 顾欣; 盛昌国
Original assignee: Denair Energy Saving Technology Shanghai Co ltd
Current assignee: Denair Energy Saving Technology Shanghai Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-06-05
Anticipated expiration: 2029-06-19

Abstract

The utility model belongs to the technical field of mechanical equipment, in particular to a lubricating oil filtering device, which consists of a filter shell, a filter element A, a filter element B, O-shaped ring A, O-shaped ring B, a cover plate A, a cover plate B and a bolt; the filter shell is provided with a left part and a right part which are not communicated with each other, a filter element support is arranged inside the filter shell, a filter element A and a filter element B are respectively arranged inside the left side and the right side of the filter shell through the filter element support, and a cover plate B are respectively used for fixing the filter element A and the filter element B in the filter shell through bolts. The utility model discloses the filtration system who needs increase originally oil filter and this time unites two into one, not only can filter the lubricating oil of air compressor system's main oil circuit simultaneously, but also can filter the lubricating oil in the oil fine separator returns oil pipe, prevents to return oil pipe and return oil check valve and blocks up, has compact structure, maintains that the maintenance is convenient, excellent in use effect.

Description

Lubricating oil filtering device

Technical Field

The utility model belongs to the technical field of mechanical equipment, concretely relates to lubricating oil filter equipment.

Background

Lubricating oil of a common oil injection screw air compressor must pass through an oil filter and then is injected into a compressor body, so that abrasion of a rotor and a bearing caused by excessive impurities in the lubricating oil can be avoided as much as possible. However, lubricating oil in an oil return pipe of the oil fine separator is ignored by common manufacturers at present, once the working condition of a customer on site is severe or the oil fine separator fails, lubricating oil impurities in the oil return pipe are more, and under the condition, the oil return pipe is firstly blocked, and finally, the oil content of compressed air is too high, so that the use of the customer is affected.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a lubricating oil filter equipment unites two into one original oil filter and the filtration system that this time needs to increase, has compact structure, maintains that the maintenance is convenient, advantages such as excellent in use effect.

In order to achieve the above object, the utility model provides a following technical scheme: a lubricating oil filtering device comprises a filter shell, a filter element A, a filter element B, O type ring A, O type ring B, a cover plate A, a cover plate B and bolts; the filter shell is provided with a left part and a right part which are not communicated with each other, a filter element support is arranged inside the filter shell, a filter element A and a filter element B are respectively arranged inside the left side and the right side of the filter shell through the filter element support, and the filter element A and the filter element B are respectively fixed in the filter shell through bolts by the cover plate A and the cover plate B.

Preferably, the surface of the filter element bracket is provided with small holes to ensure the circulation of the medium.

Preferably, the installation sides of the filter element A and the filter element B are respectively provided with an O-shaped ring A and an O-shaped ring B, the bottoms of the filter element A and the filter element B are both provided with double-layer sealing rings, and the O-shaped ring A, O-shaped ring B and the double-layer sealing rings are made of fluororubber and have good high-temperature resistance.

Preferably, an oil fine return pipe inlet is formed in the filter shell on one side of the filter element A, and an oil fine return pipe outlet is formed in the center of the cover plate A; the filter element A is used for filtering lubricating oil on the oil return pipeline.

Preferably, a system main oil path inlet is formed in the filter shell on one side of the filter element B, and a system main oil path outlet is formed in the center of the cover plate B; and the filter element B is used for filtering lubricating oil in the main oil pipe of the system.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses the filtration system who needs increase originally oil filter and this time unites two into one, not only can filter the lubricating oil of air compressor system's main oil circuit simultaneously, but also can filter the lubricating oil in the oil fine separator returns oil pipe, prevents to return oil pipe and return oil check valve and blocks up, has compact structure, maintains that the maintenance is convenient, advantages such as excellent in use effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic exploded view of a lubricating oil filtering device according to the present invention;

FIG. 2 is a schematic structural view of a lubricating oil filtering device according to the present invention;

fig. 3 is a schematic longitudinal sectional view of the lubricating oil filtering device of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides the following technical solutions: a lubricating oil filtering device comprises a filter shell 1, a filter element A2, a filter element B3, an O-shaped ring A4, an O-shaped ring B5, a cover plate A6, a cover plate B7 and bolts 8; the filter shell 1 is provided with a left part and a right part which are not communicated with each other, a filter element support is arranged inside the filter shell 1, a filter element A2 and a filter element B3 are respectively arranged inside the left side and the right side of the filter shell 1 through the filter element support, and a cover plate A6 and a cover plate B7 respectively fix the filter element A2 and the filter element B3 in the filter shell 1 through bolts 8.

Specifically, the surface of the filter element support is provided with small holes so as to ensure medium circulation.

Specifically, the installation sides of the filter element A2 and the filter element B3 are respectively provided with an O-shaped ring A4 and an O-shaped ring B5, the bottoms of the filter element A2 and the filter element B3 are respectively provided with a double-layer sealing ring, and the O-shaped ring A4, the O-shaped ring B5 and the double-layer sealing ring are made of fluororubber and have good high-temperature resistance.

Specifically, an oil fine return pipe inlet A is arranged on the filter shell 1 on one side of the filter element A2, and an oil fine return pipe outlet B is arranged at the center of the cover plate A6; the filter element A2 is used for filtering the lubricating oil on the oil return pipeline.

Specifically, a system main oil path inlet C is arranged on the filter shell 1 on one side of the filter element B3, and a system main oil path outlet D is arranged at the center of the cover plate B7; the filter element B3 is used for filtering lubricating oil in a main oil pipe of the system.

In addition, an oil fine return pipe inlet A and an oil fine return pipe outlet B are respectively connected with an oil fine return pipe through threaded holes, and a system main oil path inlet C and a system main oil path outlet D are respectively connected with a system main oil pipe through threaded holes.

The filter shell 1 of the utility model is divided into a left part and a right part which are not communicated with each other, a filter element bracket is arranged inside the filter shell, and the surface is provided with small holes to ensure the circulation of media; the filter element A2 is used for filtering lubricating oil on an oil return pipeline, the filter element B3 is used for filtering the lubricating oil in a main oil pipe of the system, and the bottoms of the two filter elements are both provided with double-layer sealing rings; the O-shaped rings A4 and B5 are respectively used for sealing the installation sides of the two filter elements; the cover plate A6 and the cover plate B7 respectively fix the two filter elements in the filter shell 1 in a bolt 8 fastening mode; can filter the lubricating oil of air compressor system main oil circuit simultaneously, but also can filter the lubricating oil in the oil fine separator returns oil pipe, prevent to return oil pipe and return oil check valve jam.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lubricating oil filtering device, characterized by: the filter consists of a filter shell (1), a filter element A (2), a filter element B (3), an O-shaped ring A (4), an O-shaped ring B (5), a cover plate A (6), a cover plate B (7) and a bolt (8); the filter shell (1) is provided with a left part and a right part which are not communicated with each other, a filter element support is arranged in the filter shell (1), a filter element A (2) and a filter element B (3) are respectively arranged in the left side and the right side of the filter shell (1) through the filter element support, and a cover plate A (6) and a cover plate B (7) respectively fix the filter element A (2) and the filter element B (3) in the filter shell (1) through bolts (8).

2. The lubricant filter device of claim 1, wherein: the surface of the filter element support is provided with small holes to ensure medium circulation.

3. The lubricant filter device of claim 1, wherein: the installation side of filter core A (2) and filter core B (3) is provided with O type circle A (4) and O type circle B (5) respectively, and filter core A (2) and filter core B (3) bottom all are provided with double-deck sealing washer, and the material of O type circle A (4), O type circle B (5) and double-deck sealing washer is fluororubber, and high temperature resistance is good.

4. The lubricant filter device of claim 1, wherein: an oil fine return pipe inlet (A) is formed in the filter shell (1) on one side of the filter element A (2), and an oil fine return pipe outlet (B) is formed in the center of the cover plate A (6); the filter element A (2) is used for filtering lubricating oil on an oil return pipeline.

5. The lubricant filter device of claim 1, wherein: a system main oil path inlet (C) is arranged on the filter shell (1) on one side of the filter element B (3), and a system main oil path outlet (D) is arranged at the center of the cover plate B (7); and the filter element B (3) is used for filtering lubricating oil in the main oil pipe of the system.