Diesel oil filter

Abstract

The utility model discloses a diesel oil filter which comprises a shell, a top cover is detachably arranged on the top of the shell, an oil inlet and an oil outlet are formed in the top cover, a filter cartridge with the diameter larger than that of the oil outlet is detachably arranged in the shell, non-woven fabric is wound on the filter cartridge, a bottom sealing ring is arranged at the position, at the bottom of the filter cartridge, in the shell, and a sealing ring is arranged on the bottom sealing ring. And an upper sealing ring is arranged at the top of the filter cartridge on the top cover. The filter cartridge can be detached in the shell, when the filter cartridge needs to be replaced, the top cover can be opened, the filter cartridge can be detached, and the filter cartridge or the non-woven fabric on the filter cartridge can be replaced, so that the whole filter is prevented from being replaced, and resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a diesel filter. Background Art

[0002] At present, some diesel filters on the market are integrated with non-woven fabrics, and the non-woven fabrics cannot be disassembled. When the non-woven fabrics are blocked after long-term use and need to be replaced, they cannot be replaced and the entire filter needs to be replaced, which makes it difficult to save resources. Therefore, a diesel filter with a convenient replacement of non-woven fabrics is proposed to solve the above-mentioned problems. Utility Model Content

[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a diesel filter, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a diesel filter, including a shell, a top cover is detachably provided on the top of the shell, an oil inlet and an oil outlet are provided on the top cover, a filter cartridge with a diameter larger than the oil outlet is detachably provided in the shell, a non-woven fabric is wrapped around the filter cartridge, a bottom sealing ring is provided at the bottom of the filter cartridge in the shell, and an upper sealing ring is provided on the top cover at the top of the filter cartridge.

[0005] Furthermore, the non-woven fabric is wound on the filter cartridge in multiple layers, and vertical hand-torn lines are evenly arranged on the non-woven fabric.

[0006] Furthermore, a bottom fixing piece is provided on the bottom of the shell body to cooperate with the filter cartridge, and an upper fixing piece is provided on the top cover to cooperate with the filter cartridge.

[0007] Furthermore, the bottom fixing part is a plurality of arc-shaped clamping plates arranged along the circumferential direction on the outer periphery of the filter cartridge, and a gathering ring for pressing the clamping plate onto the filter cartridge is arranged on the outer side of the clamping plate, and the gathering ring and the clamping plate are threadedly matched, and there is a gap between the clamping plate and the outer side of the non-woven fabric, and the outer side of the clamping plate is an inclined surface which is wide at the top and narrow at the bottom; the upper fixing part is a clamping ring arranged on the outer side of the filter cartridge.

[0008] Furthermore, the non-woven fabric is provided with two transverse hand-tear lines respectively in cooperation with the upper fixing piece and the bottom fixing piece.

[0009] Furthermore, a support ring is provided on the outer upper end of the non-woven fabric to cooperate with the clamping ring.

[0010] Furthermore, an insert block is provided at the bottom of the shell inside the filter cartridge, the diameter of the insert block is smaller than the inner diameter of the filter cartridge, and an outer edge of the insert block is provided with an oblique angle.

[0011] The above technical solution of the utility model has the following beneficial effects: the filter cartridge of the utility model can be disassembled in the shell. When replacement is needed, the top cover can be opened, the filter cartridge can be removed, and the filter cartridge or the non-woven fabric on the filter cartridge can be replaced, avoiding replacement of the entire filter and saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional schematic diagram of an embodiment of the utility model;

[0013] Figure 2 It is a cross-sectional schematic diagram of the fixing member of the embodiment of the utility model;

[0014] Figure 3 It is a schematic diagram of the unfolding of the nonwoven fabric according to the embodiment of the utility model. DETAILED DESCRIPTION

[0015] The following is a detailed description of the preferred implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0016] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0017] like Figure 1-3As shown, a diesel filter of this embodiment comprises a housing 1, a top cover 2 is detachably provided on the top of the housing 1, an oil inlet 3 and an oil outlet 4 are provided on the top cover 2, a filter cartridge 5 with a diameter larger than the oil outlet 4 is detachably provided in the housing 1, a non-woven fabric 6 is wound on the filter cartridge 5, a bottom sealing ring 7 is provided at the bottom of the filter cartridge 5 in the housing 1, and an upper sealing ring 8 is provided at the top of the filter cartridge 5 on the top cover 2; after the diesel enters the housing 1 from the oil inlet 3, it is filtered by the non-woven fabric 6 on the filter cartridge 5, and then flows out from the oil outlet 4. When replacement is required, the top cover 2 can be opened, the filter cartridge 5 can be removed, and the filter cartridge 5 or the non-woven fabric 6 on the filter cartridge 5 can be replaced, so as to avoid replacing the entire filter and save resources; after the filter cartridge 5 is installed, the top cover 2 is covered, and the filter cartridge 5 can be sealed by the upper sealing ring 8 and the bottom sealing ring 7; the top cover 2 and the housing 1 can be connected by threads, or a fixing ear can be provided between the top cover 2 and the housing 1 to connect by bolts (not shown in the figure);

[0018] Preferably, the non-woven fabric 6 is wound with multiple layers on the filter cartridge 5, and vertical hand-tear lines 61 are evenly arranged on the non-woven fabric 6; when replacement is required, the outer layer of the non-woven fabric 6 wound on the filter cartridge 5 can be torn off along the hand-tear lines 61, and the outermost layer of the non-woven fabric 6 with impurities can be torn off and the top cover 2 can be covered to continue using the filter, which is convenient for cleaning and further reduces the waste of resources;

[0019] Preferably, the bottom of the housing 1 is provided with a bottom fixing member in cooperation with the filter cartridge 5, and the top cover 2 is provided with an upper fixing member in cooperation with the filter cartridge 5, and the bottom fixing member and the upper fixing member are used to fix the non-woven fabric 6 to prevent the entangled non-woven fabric 6 from unfolding;

[0020] Preferably, the bottom fixing member is a plurality of arc-shaped clamping plates 9 arranged circumferentially on the outer periphery of the filter cartridge 5, and a retraction ring 10 is arranged on the outer side of the clamping plate 9 to press the clamping plate 9 onto the filter cartridge 5, and the retraction ring 10 and the clamping plate 9 are threadedly matched, and there is a gap between the clamping plate 9 and the outer side of the non-woven fabric 6, and the outer side of the clamping plate is an inclined surface that is wide at the top and narrow at the bottom; the upper fixing member is a clamping ring 11 arranged on the outer side of the filter cartridge 5; during installation, the filter cartridge 5 is first inserted into the inner side of the clamping plate 9, and then the retraction ring 10 is rotated upward, and the retraction ring 10 clamps the clamping plate 9 so that the clamping plate 9 is clamped on the non-woven fabric 6 on the outer side of the filter cartridge 5, and then the top cover 2 is covered, and the clamping ring 11 is sleeved on the upper end of the non-woven fabric 6 on the outer side of the filter cartridge 5, and the clamping plate 9 and the clamping ring 11 together fix the non-woven fabric 6;

[0021] Preferably, the non-woven fabric 6 is provided with two transverse hand-tear lines 62 in cooperation with the upper fixing piece and the bottom fixing piece, respectively. When replacement is required, the middle part of the non-woven fabric 6 can be torn open, and the upper and lower ends of the non-woven fabric 6 are used to fix the non-woven fabric 6, and do not need to be torn off;

[0022] Preferably, a support ring 12 is provided on the outer upper end of the non-woven fabric 6 in cooperation with the clamping ring 11. The support ring 12 can fix the upper end of the non-woven fabric 6 and is used to cooperate with the clamping ring 11 to prevent the non-woven fabric 6 from folding.

[0023] Preferably, an insert block 13 is provided at the bottom of the shell 1 on the inner side of the filter cartridge 5. The diameter of the insert block 13 is smaller than the inner diameter of the filter cartridge 5. The outer edge of the insert block 13 is provided with an oblique angle. The insert block 13 can support the inner side of the filter cartridge 5 to prevent the clamping plate 9 from deforming the bottom of the filter cartridge 5.

[0024] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A diesel filter, characterized in that: The invention comprises a housing, a top cover is detachably provided on the top of the housing, an oil inlet and an oil outlet are provided on the top cover, a filter cartridge with a diameter larger than the oil outlet is detachably provided in the housing, a non-woven fabric is wound around the filter cartridge, a bottom sealing ring is provided at the bottom of the filter cartridge in the housing, and an upper sealing ring is provided on the top cover at the top of the filter cartridge; The non-woven fabric is wound on the filter cartridge in multiple layers, and vertical hand-torn lines are evenly arranged on the non-woven fabric; The bottom of the housing is provided with a bottom fixing piece to match the filter cartridge, and the top cover is provided with an upper fixing piece to match the filter cartridge; The bottom fixing part is a plurality of arc-shaped clamping plates arranged along the circumferential direction on the outer periphery of the filter cartridge, and a gathering ring is arranged on the outer side of the clamping plate to press the clamping plate onto the filter cartridge, and the gathering ring and the clamping plate are threadedly matched, and there is a gap between the clamping plate and the outer side of the non-woven fabric, and the outer side of the clamping plate is an inclined surface that is wide at the top and narrow at the bottom; the upper fixing part is a clamping ring arranged on the outer side of the filter cartridge.

2. A diesel filter according to claim 1, characterized in that: The nonwoven fabric is matched with an upper fixing piece and a bottom fixing piece and is respectively provided with two transverse hand-torn lines.

3. A diesel filter according to claim 2, characterized in that: The outer upper end of the non-woven fabric is matched with a clamping ring and provided with a supporting ring.

4. A diesel filter according to claim 1, characterized in that: The bottom of the shell is provided with an insert block on the inner side of the filter cartridge, the diameter of the insert block is smaller than the inner diameter of the filter cartridge, and the outer edge of the insert block is provided with an oblique angle.

Images