CN219242018U

CN219242018U - Oil-gas separator with detachable filter element

Info

Publication number: CN219242018U
Application number: CN202223579237.9U
Authority: CN
Inventors: 张伟涛; 王平
Original assignee: Taizhou Shida Auto Parts Co ltd
Current assignee: Taizhou Shida Auto Parts Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-23
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of oil-gas separation, in particular to an oil-gas separator with a detachable filter element, which comprises an upper shell and a lower shell which are connected with each other, wherein a first filter tank is arranged in the upper shell, a second filter tank is arranged in the lower shell, and the first filter tank and the second filter tank form a space for accommodating oil gas, and the oil-gas separator is characterized in that: the side wall of the first filter tank is provided with a mounting hole penetrating through the upper shell, the upper shell is detachably connected with a filter element at the mounting hole, the outer wall of the upper shell is detachably connected with a filter cover for fixing the filter element at the mounting hole, and the first filter tank is provided with a base below the filter element; the filter element is arranged on the upper shell, the filter element is arranged and detached through the mounting hole, the mounting hole and the filter element are arranged through the filter cover, normal operation of the filter element is facilitated, the filter element can be replaced through the detachment of the filter cover, the filter element is supported through the base, and the filter element is prevented from being influenced by activities of the filter element.

Description

Oil-gas separator with detachable filter element

Technical Field

The utility model relates to the technical field of oil-gas separation, in particular to an oil-gas separator with a detachable filter element.

Background

During operation of the engine, gas in the combustion chamber can enter the crankcase from a gap between the piston ring and the cylinder wall, and the crankcase is a relatively sealed space, if the entering gas cannot be discharged in time, the crankcase pressure can be higher and higher, and the engine can leak when serious, so that the environment is polluted. Therefore, a crankcase ventilation device is additionally arranged in the design process of the engine so as to separate the blowby gas, and the separated gas is introduced into the combustion chamber for re-combustion, so that the adverse effect of the gas on the crankcase is avoided. The oil-gas separator is used as a critical component in crankcase ventilation for separating oil from gas. The existing oil-gas separator is complicated in replacement of the filter element due to the problem of installation and connection, and more structures are required to be disassembled, so that the replacement of the filter element is complicated.

Disclosure of Invention

The utility model aims to provide an oil-gas separator with a detachable filter element, which solves the problems that the oil-gas separator filters oil gas and the filter element is worn and replaced inconveniently.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an oil and gas separator with can dismantle filter core, includes interconnect's last casing and lower casing, have first filter tank in the last casing, be equipped with the second filter tank in the lower casing, first filter tank with the space of holding oil gas is constituteed to the second filter tank, its characterized in that: the filter comprises an upper shell, a filter core, a first filter tank, a second filter tank, a filter cover, a base, a filter cover and a filter cover, wherein the first filter tank is arranged on the side wall of the first filter tank, the first filter tank is provided with a mounting hole penetrating through the upper shell, the filter core is detachably connected to the upper shell at the mounting hole, the filter cover used for fixing the filter core is detachably connected to the outer wall of the upper shell at the mounting hole, and the base is arranged below the filter core in the first filter tank.

The beneficial effects are that: the filter element is arranged on the upper shell, the filter element is arranged and detached through the mounting hole, the mounting hole and the filter element are arranged through the filter cover, normal operation of the filter element is facilitated, the filter element is replaced through the detachment of the filter cover, the filter element is supported through the base, and the filter element is prevented from affecting the filtering operation.

Further, the filter core upside is connected fixedly connected with filter core lid, be equipped with the air outlet valve in the filter core, the air outlet valve with filter core lid fixed connection.

Further, the lower shell is located below the upper shell, the upper shell is provided with an air outlet, and the lower shell is provided with an oil return port.

Further, an air inlet hole is formed in the lower shell and is positioned on one side of the filter element.

Further, the filter plate is detachably connected in the upper shell and is positioned between the air inlet hole and the filter element.

Further, the air inlet holes comprise a first air inlet hole and a second air inlet hole, and the first air inlet hole is smaller than the second air inlet hole.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a lower housing according to an embodiment of the utility model;

FIG. 3 is a cross-sectional exploded view of an upper housing according to an embodiment of the present utility model;

fig. 4 is a schematic view of a first filtering tank according to an embodiment of the utility model.

Reference numeral 11, upper case; 12. a first filter tank; 13. a base; 14. a filter plate; 15. a mounting hole; 16. an air outlet hole; 21. a lower housing; 22. a first air inlet; 23. a second air inlet; 24. a second filter tank; 25. an oil return hole; 31. a filter cover; 32. a cartridge cover; 33. a filter element; 34. and an air outlet valve.

Detailed Description

The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present utility model are intended to be comprehended within the scope of the present utility model.

See fig. 1 to 4, an oil-gas separator with detachable filter element, comprising an upper shell 11 and a lower shell 21 which are connected with each other, wherein the upper shell 11 and the lower shell 21 are detachably connected through bolts, a first filter tank 12 is arranged in the upper shell 11, a second filter tank 24 is arranged in the lower shell 21, the first filter tank 12 and the second filter tank 24 form a space for containing oil gas, a sealing ring for preventing leakage is arranged between the upper shell 11 and the lower shell 21, and the oil gas is filtered and separated between the upper shell 11 and the lower shell 21.

The lower shell 21 is located below the upper shell 11, the upper shell 11 is provided with an air outlet 16, the lower shell 21 is provided with an oil return port 25, the gas is located slightly above the cavity, the gas is discharged from the air outlet 16, and the liquid oil left by filtration flows out of the oil return port 25 downwards.

The filter plate filter is characterized in that an air inlet is formed in the lower shell 21 and comprises a first air inlet hole 22 and a second air inlet hole 23, the air inlet hole is formed in the rough filtering side of oil-gas separation, the air inlet hole is formed in one end of the lower shell 21, the upper shell 11 is provided with a filter element 33, the filter element 33 is relatively arranged at the other end of the lower shell 21, the filter element 33 is a fine filtering side of oil-gas separation, the upper shell 11 is further provided with a filter plate 14, the filter plate 14 is relatively arranged between the filter element 33 and the air inlet hole, the filter plate 14 is a semi-fine filtering side, and the oil-gas separation and filtering effects are better through the air inlet hole, the filter plate 14 and the filter element 33 are sequentially filtered.

The first air inlet hole 22 and the second air inlet hole 23 are small in size, the second air inlet hole 23 is opened, the rough filtering effect is improved, the gas with a large proportion passes through the rough filtering section, and the separation capability of rough filtering on coarse oil drops thrown out by moving parts such as a cam shaft is effectively utilized.

The filter plate 14 is divided into a pore plate, filter cotton and a filter cotton cover plate, and the filter plate 14 is detachable after the upper shell 11 and the lower shell 21 are detached and separated, and the filter cotton is replaced, so that the filter cotton can be continuously used.

The top wall of the first filter tank 12 is provided with a mounting hole 15 penetrating through the upper shell 11, the upper shell 11 is detachably connected with a filter element 33 at the mounting hole 15, the filter element 33 is inserted into the mounting hole 15, the outer wall of the upper shell 11 is detachably connected with a filter cover 31 used for fixing the filter element 33 at the mounting hole 15, the filter cover 31 is connected with the upper shell 11 through bolts, the filter cover 31 can completely cover the mounting hole 15 to prevent gas from being discharged from the mounting hole 15, when the filter cover 31 needs to be detached, the filter element 33 can be replaced through detachment, the first filter tank 12 is provided with a base 13 below the filter element 33, the base 13 is used for supporting the filter element 33, and the base 13 is provided with a hole to facilitate the discharge of filtered liquid oil.

The filter core 33 upside is connected fixedly connected with filter core lid 32, be equipped with air outlet valve 34 in the filter core 33, air outlet valve 34 with filter cover 31 swing joint, air outlet valve 34 can slide from top to bottom, the lower extreme fixed mounting of air outlet valve 34, air outlet valve 34 has been designed in the middle of the filter core 33, air outlet valve 34 uses as the pressure limiting valve, when promoting separation efficiency, also can effectually avoid the too big condition of exhausting of gas channeling volume.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an oil and gas separator with can dismantle filter core, includes interconnect's last casing (11) and lower casing (21), have first filter tank (12) in going up casing (11), be equipped with second filter tank (24) in lower casing (21), first filter tank (12) with the space of holding oil gas is constituteed to second filter tank (24), its characterized in that: the side wall of the first filter tank (12) is provided with a mounting hole (15) penetrating through the upper shell (11), the upper shell (11) is detachably connected with a filter element (33) at the mounting hole (15), the outer wall of the upper shell (11) is detachably connected with a filter cover (31) for fixing the filter element (33) at the mounting hole (15), and the first filter tank (12) is provided with a base (13) below the filter element (33);

the lower shell (21) is positioned below the upper shell (11), the upper shell (11) is provided with an air outlet (16), and the lower shell (21) is provided with an oil return port (25);

an air inlet hole is formed in the lower shell (21), and the air inlet hole is positioned at one side of the filter element (33);

the air inlet holes comprise a first air inlet hole (22) and a second air inlet hole (23), and the first air inlet hole (22) is smaller than the second air inlet hole (23).

2. An oil and gas separator with removable cartridge as set forth in claim 1 wherein: the filter element (33) is fixedly connected with a filter element cover (32) in the upper side connection mode, an air outlet valve (34) is arranged in the filter element (33), and the air outlet valve (34) is fixedly connected with the filter element cover (32).

3. An oil and gas separator with removable cartridge as set forth in claim 1 wherein: the upper shell (11) is detachably connected with a filter plate (14), and the filter plate (14) is positioned between the air inlet hole and the filter element (33).