Diesel oil filter

Abstract

According to the technical scheme, the diesel oil filter is characterized in that the diesel oil filter comprises a center pipe, the center pipe is arranged to be a round pipe, and a plurality of holes for diesel oil to pass through are formed in the center pipe; the fixed cover is arranged outside the central pipe in a sleeving manner, and a plurality of holes for diesel oil to pass through are also formed in the fixed cover; the water plugging layer is arranged around the central pipe and is arranged between the fixing cover and the central pipe, and the water plugging layer is used for plugging diesel oil; the filter assembly is arranged around the central pipe in a sleeving manner and is arranged between the fixed cover and the central pipe; the filtering assembly is formed by overlapping a plurality of layers of filtering nets, and filtering holes of every two adjacent layers of filtering nets are staggered; through the arrangement of the multiple layers of filter screens, impurities can be reserved among the multiple layers of filter screens, the impurity filtering and storing space is increased, the filtering assembly can contain more filtered impurities, and therefore the service life of the filter element can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel filtering, and more specifically, to a diesel filter. Background Art

[0002] A gas station is a station that serves cars and other motor vehicles and sells gasoline and motor oil, usually gasoline or diesel.

[0003] At gas stations, filter elements are needed to filter diesel to remove foreign particles and water from the diesel.

[0004] During the use of an existing diesel filter, foreign particles will be blocked by the filter screen of the filter element and gradually cover and clog the filter screen, which shortens the service life of the filter element and requires frequent replacement of the filter element. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a diesel filter, which, through the arrangement of multiple layers of filter screens, allows impurities to be retained between the multiple layers of filter screens, thereby increasing the space for filtering impurities, allowing the filter assembly to accommodate more filtered impurities, thereby increasing the service life of the filter element.

[0006] To achieve the above object, the utility model provides the following technical solution: a diesel filter, comprising a central tube, the central tube is configured as a circular tube, and a plurality of holes for diesel to pass through are arranged on the central tube;

[0007] A fixed cover is sleeved outside the central tube and is also provided with a plurality of holes for diesel to pass through;

[0008] A water blocking layer, which is arranged around the central tube and between the fixed cover and the central tube, and is used for blocking diesel;

[0009] and a filter assembly, wherein the filter assembly sleeve is disposed around the central tube and between the fixed cover and the central tube;

[0010] The filter assembly is composed of multiple layers of overlapping filter screens, and the filter holes of two adjacent layers of filter screens are staggered.

[0011] The utility model is further configured as follows: the filter assembly is composed of a plurality of rectangular filter screens stacked together and wound into a circular tube shape;

[0012] The filter holes on the filter screen are arranged in multiple groups, the multiple groups of filter holes are arranged along the width direction of the rectangle, and the multiple filter holes in the same group are arranged along the length direction of the rectangle;

[0013] The filter holes of two adjacent groups of filter screens are staggeredly arranged along the diagonal direction of the rectangle.

[0014] The utility model is further configured as follows: any filter hole on the filter screen is connected to four filter holes of an adjacent filter screen.

[0015] The utility model is further configured as follows: the filter assembly also includes a filter layer, the filter layer is arranged around the central tube and is located on the inner side of the multi-layer filter screen close to the central tube, and the aperture of the filter holes on the filter layer is smaller than the aperture of the filter holes on the filter screen.

[0016] The utility model is further configured as follows: the filter assembly is circumferentially attached to the outside of the central tube, and the water blocking layer is circumferentially attached to the outside of the filter assembly.

[0017] The utility model is further configured to include a filter cover, which surrounds the fixed cover, with a space between the filter cover and the fixed cover, and is used to filter large particles of impurities in diesel.

[0018] The utility model is further configured as follows: it also includes end plates, the end plates are arranged at both ends of the filter cover, and the filter cover is provided with a through hole connected with the central pipe.

[0019] In summary, compared with the prior art, the utility model has the following beneficial effects: the utility model sets up a multi-layer filter screen so that impurities are retained between the multi-layer filter screens, increasing the space for impurity filtering, so that the filter assembly can accommodate more filtered impurities, thereby increasing the service life of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of an embodiment;

[0021] Figure 2 A schematic diagram of a water blocking layer and a filtration assembly is shown as an embodiment;

[0022] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0023] Figure 4 A schematic diagram of a filter assembly of an embodiment unfolded into a rectangle;

[0024] Figure 5 for Figure 4 An enlarged schematic diagram of part B.

[0025] In the figure: 1. center tube; 2. fixed cover; 3. filter assembly; 31. filter screen; 4. water blocking layer; 5. filter cover; 6. end plate. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the invention.

[0027] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0028] Embodiment: A diesel filter, see attached Figure 1 -Attached Figure 5 , including a central tube 1, a fixed cover 2, a water blocking layer 4 and a filter assembly 3, the central tube 1 is set as a circular tube, and a plurality of holes for diesel to pass through are arranged on the central tube 1; the fixed cover 2 is set outside the central tube 1, and a plurality of holes for diesel to pass through are also arranged on the fixed cover 2; the water blocking layer 4 is arranged around the central tube 1 and between the fixed cover 2 and the central tube 1, and the water blocking layer 4 is used for diesel; the filter assembly 3 is set around the central tube 1 and between the fixed cover 2 and the central tube 1; the filter assembly 3 is composed of multiple layers of filter screens 31 overlapping, and the filter holes of two adjacent layers of filter screens 31 are staggered.

[0029] By setting the multi-layer filter screen 31, impurities will be retained between the multi-layer filter screen 31, increasing the space for filtering impurities, so that the filter component 3 can accommodate more filtered impurities, thereby increasing the service life of the filter element.

[0030] Specifically, the filter assembly 3 is composed of a plurality of rectangular filter screens 31 stacked together and wound into a circular tube shape; the filter holes on the filter screen 31 are arranged in a plurality of groups, the plurality of groups of filter holes are arranged along the width direction of the rectangle, and the plurality of filter holes in the same group are arranged along the length direction of the rectangle; the filter holes of two adjacent groups of filter screens 31 are arranged in a staggered manner along the diagonal direction of the rectangle, so that any filter hole on the filter screen 31 is connected to four filter holes of the adjacent filter screen 31, and by controlling the position between the two adjacent groups of filter screens 31, the overlapping area of ​​any filter hole on the filter screen 31 and the four filter holes of the adjacent filter screen 31 is different, and at least one of the four overlapping positions is The area of ​​each overlapping position is smaller than the size of the impurity particles, and the area of ​​at least one overlapping position is larger than the size of the impurity particles; when the diesel passes through the filter assembly 3, it disperses and flows from the filter holes in the upper filter 31 to the four filter holes in the lower filter 31, and the impurity particles will be blocked at the overlapping positions where the overlapping area between the filter holes of the upper filter 31 and the four filter holes of the lower filter 31 is smaller than the diameter of the impurity particles, while the remaining gasoline and impurities will enter the filter holes of the next layer of filter 31 and continue to flow to the subsequent filter 31, so that the impurity particles will be retained in different layers of filter 31.

[0031] Specifically, the filter assembly 3 further includes a filter layer, which is arranged around the central tube 1 and located on the inner side of the multi-layer filter screen 31 close to the central tube 1 , and the aperture of the filter holes on the filter layer is smaller than the aperture of the filter holes on the filter screen 31 .

[0032] Specifically, the filter assembly 3 is surrounded and attached to the outside of the central tube 1 , and the water blocking layer 4 is surrounded and attached to the outside of the filter assembly 3 .

[0033] Specifically, the present embodiment further comprises a filter cover 5, wherein the filter cover 5 surrounds the fixed cover 2, and a space is left between the filter cover 5 and the fixed cover 2, and the filter cover 5 is used to filter large particles of impurities in diesel.

[0034] Specifically, this embodiment further includes end plates 6 , which are arranged at both ends of the filter cover 5 , and the filter cover 5 is provided with a through hole communicating with the central tube 1 .

[0035] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A diesel filter, characterized in that: It comprises a central tube (1), wherein the central tube (1) is arranged as a circular tube, and a plurality of holes are arranged on the central tube (1) for diesel to pass through; A fixed cover (2), the fixed cover (2) is sleeved outside the central tube (1), and a plurality of holes for diesel to pass through are also provided on the fixed cover (2); a water blocking layer (4), the water blocking layer (4) being arranged around the central tube (1) and between the fixed cover (2) and the central tube (1), the water blocking layer (4) being used for blocking diesel; and a filter assembly (3), wherein the filter assembly (3) is disposed around the central tube (1) and is disposed between the fixed cover (2) and the central tube (1); The filter assembly (3) is composed of multiple layers of overlapping filter screens (31), and the filter holes of two adjacent layers of filter screens (31) are staggered.

2. A diesel filter according to claim 1, characterized in that: The filter assembly (3) is composed of a plurality of rectangular filter screens (31) stacked together and wound into a circular tube shape; The filter holes on the filter screen (31) are arranged in a plurality of groups, the plurality of groups of filter holes are arranged along the width direction of the rectangle, and the plurality of filter holes in the same group are arranged along the length direction of the rectangle; The filter holes of two adjacent groups of filter screens (31) are arranged in a staggered manner along the diagonal direction of the rectangle.

3. A diesel filter according to claim 2, characterized in that: Any filter hole on the filter screen (31) is connected to four filter holes of an adjacent filter screen (31).

4. A diesel filter according to claim 3, characterized in that: The filter assembly (3) further comprises a filter layer, which is arranged around the central tube (1) and is located on the inner side of the multi-layer filter screen (31) close to the central tube (1), and the pore size of the filter holes on the filter layer is smaller than the pore size of the filter holes on the filter screen (31).

5. A diesel filter according to claim 4, characterized in that: The filter assembly (3) is circumferentially attached to the outside of the central tube (1), and the water blocking layer (4) is circumferentially attached to the outside of the filter assembly (3).

6. A diesel filter according to claim 5, characterized in that: It also comprises a filter cover (5), the filter cover (5) surrounds the fixed cover (2), a space is left between the filter cover (5) and the fixed cover (2), and the filter cover (5) is used to filter large particle impurities in diesel.

7. A diesel filter according to claim 6, characterized in that: It also comprises end plates (6), the end plates (6) being arranged at both ends of the filter cover (5), and the filter cover (5) being provided with through holes communicating with the central tube (1).

Images