Suction filter with parallel channels

Abstract

The utility model relates to the technical field of automobile parts, and provides a parallel channel suction filter which comprises a shell and a filter assembly, a cavity is arranged in the shell and provided with an inlet and an outlet, the filter assembly is arranged in the shell to divide the cavity into an oil inlet cavity and an oil outlet cavity, and the oil inlet cavity is communicated with the oil outlet cavity. The inlet is communicated with the oil inlet cavity, the outlet is communicated with the oil outlet cavity, the filter assembly comprises a filter supporting plate, a filter paper unit and a filter screen unit, a filter paper mounting notch and a filter screen mounting notch are formed in the filter supporting plate, the filter paper unit is arranged on the filter paper mounting notch, and the filter screen unit is arranged on the filter screen mounting notch. The filter screen unit is arranged on the filter screen mounting notch, and the oil inlet cavity and the oil outlet cavity are communicated in parallel through the filter paper mounting notch and the filter screen mounting notch. By means of the technical scheme, the problem that in the prior art, the filtering efficiency of a suction filter is affected by accumulated temperature and filtering time is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, specifically, and relates to a parallel channel suction filter. BACKGROUND

[0002] In the gearbox of an automobile, an oil pump is usually used to pump oil to lubricate gears, bearings and the like. The suction filter of the gearbox is installed in the oil pan of the gearbox and plays a filtering role, which can filter the oil impurities in the gearbox, thereby protecting the oil pump and the hydraulic system of the gearbox.

[0003] In the prior art, a support grid is used to support a metal mesh and filter paper, and oil first passes through the metal mesh and then passes through the filter paper to achieve oil filtration. However, due to the influence of temperature and the oil itself, the pressure drop of the oil when passing through the filter will change when the above filtration method is used, which will cause fluctuations in the filtration efficiency and affect the efficiency of the oil passing through. Based on the above problem, a suction filter that can take into account filtration and filtration efficiency is needed. SUMMARY

[0004] The utility model provides a kind of parallel channel suction filter, solve the problem that suction filter exists in prior art due to temperature and filtration time cumulative influence filtration efficiency.

[0005] The technical scheme of the utility model is as follows:

[0006] A parallel channel suction filter, the suction filter includes a housing and a filter assembly, the housing is internally provided with a cavity, and the cavity is provided with an inlet and an outlet, the filter assembly is arranged in the housing to divide the cavity into an oil inlet cavity and an oil outlet cavity, the inlet is communicated with the oil inlet cavity, and the outlet is communicated with the oil outlet cavity, the filter assembly includes a filter support plate, a filter paper unit and a filter screen unit, wherein the filter support plate is provided with a filter paper mounting notch and a filter screen mounting notch, the filter paper unit is arranged on the filter paper mounting notch, and the filter screen unit is arranged on the filter screen mounting notch, the oil inlet cavity and the oil outlet cavity are connected in parallel through the filter paper mounting notch and the filter screen mounting notch.

[0007] The filter paper mounting notch is closer to the inlet than the filter screen mounting notch.

[0008] The filter paper unit is arranged in a wave-shaped folded structure.

[0009] The filter screen mounting notch is provided with a plurality of reinforcing ribs.

[0010] A plurality of mounting ears are arranged on the housing.

[0011] The housing includes an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected.

[0012] The sealing ring is arranged on the inlet and the outlet.

[0013] The working principle and beneficial effects of the utility model are as follows:

[0014] In the utility model, a kind of parallel passage suction filter, specifically install filter assembly in shell, cavity in shell is divided into oil inlet cavity and oil outlet cavity by filter assembly, oil inlet cavity is communicated with import, and oil outlet cavity is communicated with export, filter assembly is provided with filter paper unit and filter screen unit on filter support plate, filter paper mounting gap and filter screen mounting gap are set on filter support plate, filter paper unit and filter screen unit are correspondingly installed respectively, filter paper unit and filter screen unit are arranged side by side, when oil passes, it can selectively pass filter screen unit or filter paper unit according to pressure, oil inlet cavity and oil outlet cavity form parallel communication by filter paper mounting gap and filter screen mounting gap, filter paper unit and filter screen unit can also carry out parallel filtration to oil, can adapt to different temperature and oil quality itself, while giving consideration to filtration, it can also maintain relatively high filtration efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in detail in connection with the drawings and specific embodiment.

[0016] Fig. 1 It is structure schematic view of the utility model;

[0017] Fig. 2 It is structure sectional view of the utility model;

[0018] Fig. 3 It is internal structure schematic view of the utility model;

[0019] In the drawing: 1, shell, 2, cavity, 3, import, 4, export, 5, oil inlet cavity, 6, oil outlet cavity, 7, filter support plate, 8, filter paper unit, 9, filter screen unit, 10, filter paper mounting gap, 11, filter screen mounting gap, 12, reinforcing rib, 13, mounting lug, 14, upper shell, 15, lower shell, 16, sealing ring. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the scope of protection of the utility model.

[0021] As Figs. 1-3As shown, the embodiment provides a parallel channel suction filter, which comprises a shell 1 and a filter assembly, the shell 1 is internally provided with a cavity 2, the cavity 2 is provided with an inlet 3 and an outlet 4, the filter assembly is arranged in the shell 1 to divide the cavity 2 into an oil inlet cavity 5 and an oil outlet cavity 6, the inlet 3 and the oil inlet cavity 5 are communicated, the outlet 4 and the oil outlet cavity 6 are communicated, the filter assembly comprises a filter support plate 7, a filter paper unit 8 and a filter screen unit 9, wherein the filter support plate 7 is provided with a filter paper mounting notch 10 and a filter screen mounting notch 11, the filter paper unit 8 is arranged on the filter paper mounting notch 10, the filter screen unit 9 is arranged on the filter screen mounting notch 11, and the oil inlet cavity 5 and the oil outlet cavity 6 are communicated in parallel through the filter paper mounting notch 10 and the filter screen mounting notch 11.

[0022] In the embodiment, a parallel channel suction filter is disclosed, specifically, a filter assembly is installed in a shell 1, the filter assembly divides a cavity 2 in the shell 1 into an oil inlet cavity 5 and an oil outlet cavity 6, the oil inlet cavity 5 is communicated with an inlet 3, the oil outlet cavity 6 is communicated with an outlet 4, the filter assembly is provided with a filter paper unit 8 and a filter screen unit 9 on a filter support plate 7, a filter paper mounting notch 10 and a filter screen mounting notch 11 are arranged on the filter support plate 7, and the filter paper unit 8 and the filter screen unit 9 are respectively installed on the filter paper mounting notch 10 and the filter screen mounting notch 11, the filter paper unit 8 and the filter screen unit 9 are arranged side by side, when oil passes through, the oil selectively passes through the filter screen unit 9 or the filter paper unit 8 according to pressure, the oil inlet cavity 5 and the oil outlet cavity 6 are communicated in parallel through the filter paper mounting notch 10 and the filter screen mounting notch 11, the filter paper unit 8 and the filter screen unit 9 can also filter oil in parallel, can adapt to different temperatures and oil quality, and can maintain relatively high filtering efficiency while filtering.

[0023] The filter paper mounting notch 10 is closer to the inlet 3 than the filter screen mounting notch 11.

[0024] In the embodiment, the filter paper mounting notch 10 is closer to the side of the inlet 3 than the filter screen mounting notch 11, oil entering from the inlet 3 is first filtered by the filter paper unit 8, as the oil amount increases and the filter paper filtering efficiency decreases, the filter is compensated by the filter screen unit 9 at the far end, and the filtering and efficiency are met.

[0025] The filter paper unit 8 is arranged in a wave-shaped folded structure.

[0026] In the embodiment, the filter paper unit 8 is arranged in a wave-shaped structure, the filtering area is increased, and the filtering efficiency and filtering life are improved.

[0027] The filter screen mounting notch 11 is provided with a plurality of reinforcing ribs 12.

[0028] In the embodiment, the filter screen installation gap 11 is provided with a plurality of reinforcing ribs 12, which assist in supporting the filter screen unit 9 and improve the stability of the filter screen unit 9.

[0029] The shell 1 is provided with a plurality of mounting ears 13.

[0030] In the embodiment, the shell 1 is provided with a plurality of mounting ears 13, which facilitate the mounting and positioning of the shell 1.

[0031] The shell 1 comprises an upper shell 14 and a lower shell 15, and the upper shell 14 and the lower shell 15 are detachably connected.

[0032] In the embodiment, the shell 1 is designed in the form of a combination of the upper shell 14 and the lower shell 15, and the upper shell 14 and the lower shell 15 are detachably connected.

[0033] The inlet 3 and the outlet 4 are both provided with sealing rings 16.

[0034] In the embodiment, the inlet 3 and the outlet 4 are both provided with sealing rings 16, thereby improving the sealing performance of the connection.

[0035] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A parallel passage suction strainer characterized by, The suction filter comprises a shell (1) and a filter assembly, the shell (1) is internally provided with a cavity (2), the cavity (2) is provided with an inlet (3) and an outlet (4), the filter assembly is arranged in the shell (1) to divide the cavity (2) into an oil inlet cavity (5) and an oil outlet cavity (6), the inlet (3) and the oil inlet cavity (5) are communicated, the outlet (4) and the oil outlet cavity (6) are communicated, the filter assembly comprises a filter support plate (7), a filter paper unit (8) and a filter screen unit (9), wherein the filter support plate (7) is provided with a filter paper mounting notch (10) and a filter screen mounting notch (11), the filter paper unit (8) is arranged on the filter paper mounting notch (10), the filter screen unit (9) is arranged on the filter screen mounting notch (11), and the oil inlet cavity (5) and the oil outlet cavity (6) are communicated in parallel through the filter paper mounting notch (10) and the filter screen mounting notch (11).

2. The parallel passage suction strainer according to claim 1, characterized by, The filter paper mounting notch (10) is closer to the inlet (3) than the filter screen mounting notch (11).

3. The parallel passage suction strainer of claim 2, wherein, The filter paper unit (8) is arranged in a wave-shaped folded structure.

4. The parallel passage suction strainer of claim 2 wherein, The filter screen mounting notch (11) is provided with a plurality of reinforcing ribs (12).

5. The parallel passage suction strainer of claim 1 wherein, A plurality of mounting ears (13) are arranged on the shell (1).

6. The parallel passage suction strainer of claim 1 wherein, The shell (1) comprises an upper shell (14) and a lower shell (15), and the upper shell (14) and the lower shell (15) are detachably connected.

7. The parallel passage suction strainer of claim 1 wherein, Sealing rings (16) are arranged on the inlet (3) and the outlet (4).

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