Novel special-shaped suction filter and assembly structure of novel special-shaped suction filter in oil pan

Abstract

The utility model provides a novel special-shaped suction filter and its assembly structure in an oil pan, the novel special-shaped suction filter comprises an upper shell and a lower shell which are in butt joint, a filter cavity is formed between the upper shell and the lower shell, and the upper shell and the lower shell are both L-shaped structures; the bottom surface of the lower shell and the top surface of the end part of the liquid inlet end of the upper shell are arranged in parallel, the top surfaces of the middle part of the upper shell and the end part of the liquid outlet end form a ridge-shaped structure, the ridge-shaped structure is formed by integrally connecting a first inclined surface and a second inclined surface and is higher than the top surface of the end part of the liquid inlet end of the upper shell, and the oil outlet is positioned on the second inclined surface; an oil inlet nozzle is fixedly connected to the position, corresponding to the oil inlet, of the lower shell. According to the novel special-shaped suction filter, the top surface of the L-shaped upper shell is subjected to regional transformation, so that one end part of the novel special-shaped suction filter forms the flat part, and the other end part of the novel special-shaped suction filter forms the ridge part, and therefore, the novel special-shaped suction filter can adapt to a specific mounting space and meet the requirements of the filtering area and the filtering cavity volume.

Description

Technical Field

[0001] The utility model relates to a suction filter, in particular to a novel special-shaped suction filter and an assembly structure thereof in an oil pan. Background Art

[0002] In oil-cooled motor drive systems, a suction filter is required to initially filter the oil. The suction filter and oil pump must be located at the bottom of the drive. Because electric vehicle drive systems are extremely compact and complex, [authorization announcement number CN219051669U] discloses a special-shaped suction filter, including an L-shaped suction filter. However, as the installation space for the suction filter changes, the current suction filter cannot meet the requirements for filtration area and filter chamber volume, and cannot adapt to the adjusted installation space. Utility Model Content

[0003] In response to the problems in the prior art, the utility model provides a new special-shaped suction filter and its assembly structure in the oil pan, aiming to improve the shape of the suction filter so that it can adapt to a specific installation space and meet the requirements of the filtration area and filter cavity volume.

[0004] The oil outlet is located on the second inclined surface, and the oil inlet is located on the second inclined surface.

[0005] Further: the lower side of the first inclined surface is located at the side of the upper shell and away from the liquid outlet end of the upper shell, the lower side of the first inclined surface is higher than or flush with the top surface of the liquid inlet end of the upper shell, the upper side of the first inclined surface extends to the liquid outlet end of the upper shell, the upper side of the second inclined surface is integrally connected to the upper side of the first inclined surface, and the lower side of the second inclined surface is located at the liquid outlet end of the upper shell.

[0006] Furthermore, the end face of the oil inlet end of the oil inlet nozzle is inclined and has the same inclination direction as the first inclined face.

[0007] Furthermore, a recessed platform is provided on the edge of one side of the first inclined surface away from the oil inlet end of the upper shell.

[0008] Furthermore, a magnet for absorbing iron filings in the filter cavity is fixedly arranged on the bottom surface of the lower shell, and the magnet is located in the middle of the lower shell.

[0009] Further: an oil outlet connecting pipe is fixedly connected to the position corresponding to the oil outlet on the second inclined surface, one end of the oil outlet connecting pipe is connected to the second inclined surface, and the other end of the oil outlet connecting pipe is fixedly connected to the oil outlet nozzle and communicated with it, and the oil outlet nozzle faces the oil inlet end of the upper shell.

[0010] Further, a vertical fixed ear plate is fixedly connected to the first inclined surface.

[0011] Further: an oil baffle is integrally provided on the second inclined surface, the oil baffle and the oil outlet are arranged side by side in the horizontal direction, the oil baffle is arc-shaped, the inner arc surface of the oil baffle faces above the liquid outlet end of the upper shell, and the busbar of the inner arc surface is arranged along the inclination direction of the second inclined surface.

[0012] A novel assembly structure for a special-shaped suction filter in an oil pan comprises an oil pan and the novel special-shaped suction filter, wherein the angle between the bottom surface and the side wall surface of the oil pan is an obtuse angle, the bottom surface of a lower shell is inclined at the angle between the bottom surface and the side wall surface of the oil pan, and the upper side edge of the bottom surface of the lower shell is close to the side wall surface of the oil pan or is in contact with the side wall surface.

[0013] The beneficial effects of the present invention are as follows: by modifying the top surface of the L-shaped upper shell in different areas, one end portion of the new special-shaped suction filter forms a flat portion, and the other end portion forms a ridge portion, so that the new special-shaped suction filter can adapt to a specific installation space and meet the requirements of the filtering area and the filtering cavity volume; the new special-shaped suction filter is arranged obliquely in the oil pan, so that the installation space in the oil pan can be fully utilized. In addition, the oil inlet nozzle is used for oil suction and the fixing ear plate is used for fixing, so that the new special-shaped suction filter is easy to assemble in the oil pan. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of a novel special-shaped suction filter in the present utility model;

[0015] Figure 2 This is a schematic cross-sectional view of the utility model;

[0016] Figure 3 This is a schematic diagram of the installation of the oil inlet nozzle and the magnet on the lower housing;

[0017] Figure 4 This is a schematic diagram of the assembly structure of the new special-shaped suction filter in the oil pan in the utility model. DETAILED DESCRIPTION

[0018] The present invention will be described in detail below with reference to the accompanying drawings. The embodiments of the present invention will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention and are not to be construed as limiting the present invention. The terms such as left, center, right, top, and bottom in the embodiments of the present invention are merely relative concepts or are based on the normal use state of the product and should not be considered as restrictive.

[0019] A new type of special-shaped suction filter, such as Figure 1 and Figure 2 As shown, it includes an upper shell 1 and a lower shell 2 that are docked, and a filter chamber is formed between the upper shell 1 and the lower shell 2. The upper shell 1, the lower shell 2 and the filter chamber are all L-shaped structures. The oil outlet 15 provided on the top surface of the upper shell 1 is located at one end of the L-shaped structure, and the oil inlet 21 provided on the bottom surface of the lower shell 2 is located at the other end of the L-shaped structure. The end of the upper shell 1 corresponding to the oil inlet end of the lower shell 2 is recorded as the oil inlet end, and the end of the lower shell 2 corresponding to the oil outlet end of the upper shell 1 is recorded as the oil outlet end; a filter paper 3 is provided in the filter chamber, and the filter paper 3 divides the filter chamber into an upper and lower chamber. The periphery of the filter paper 3 is clamped between the upper shell 1 and the lower shell 2, the bottom surface of the lower shell 2, the filter paper 3 and the top surface of the liquid inlet end of the upper shell 1 are arranged parallel to each other, and the top of the middle part of the upper shell 1 and the liquid outlet end are The surface forms a ridge-type structure, which is formed by the first inclined surface 12 and the second inclined surface 13 being integrally connected and is higher than the top surface of the liquid inlet end of the upper shell 1. Specifically, the lower side of the first inclined surface 12 is located at the side edge of the upper shell 1 and away from the liquid outlet end of the upper shell 1. The lower side of the first inclined surface 12 is higher than or flush with the top surface of the liquid inlet end of the upper shell 1. The upper side of the first inclined surface 12 extends to the liquid outlet end of the upper shell 1, and the upper side of the second inclined surface 13 is integrally connected to the upper side of the first inclined surface 12. The lower side of the second inclined surface 13 is located at the liquid outlet end of the upper shell; the second inclined surface 13 faces above the liquid outlet end of the upper shell 1, and the oil outlet 15 is located on the second inclined surface 13. The deflection angle of the oil outlet 15 relative to the top surface of the liquid inlet end of the upper shell 1 is larger, which is convenient for manufacturing; combined with Figure 3 As shown, an oil inlet nozzle 22 is fixedly connected to the position corresponding to the oil inlet 21 on the lower shell 1, and the oil inlet nozzle 22 extends downward; in order to facilitate the oil inlet nozzle 22 to suck oil, the end face of the oil inlet end of the oil inlet nozzle 22 is inclined and has the same inclination direction as the first inclined surface 12, thereby adapting to the oil suction position in the oil pan.

[0020] Among them, a make way sink 11 is provided on the edge of one side of the first inclined surface 12 away from the oil inlet end of the upper shell, and the make way sink 11 is used to make way for other components in the oil pan. A vertical fixed ear plate 18 is also fixedly connected to the first inclined surface 12, and the fixed ear plate 18 is used to fix the new special-shaped suction filter to the oil pan; an oil outlet connecting pipe 16 is fixedly connected to the position corresponding to the oil outlet 15 on the second inclined surface 13, and one end of the oil outlet connecting pipe 16 is connected to the second inclined surface 13, and the oil outlet connecting pipe 16 is fixedly connected to the second inclined surface 13. The other end is fixedly connected to an oil outlet nozzle 17 and communicated with it, and the oil outlet nozzle 17 faces the oil inlet end of the upper shell 1; an oil baffle plate 14 is integrally provided on the second inclined surface 13, and the oil baffle plate 14 and the oil outlet port 15 are arranged side by side in the horizontal direction. The oil baffle plate 14 is arc-shaped, and the inner arc surface of the oil baffle plate 14 faces above the liquid outlet end of the upper shell 1, and the busbar of the inner arc surface is arranged along the inclined direction of the second inclined surface 13. Integrating the oil baffle plate 14 on the upper shell 1 can save materials, reduce costs, and expand the space inside the upper shell.

[0021] In addition, a magnet 23 for absorbing iron filings in the filter cavity is fixedly provided on the bottom surface of the lower shell 2 . The magnet 23 is flat and located in the middle of the lower shell 2 and is engaged with the lower shell 2 .

[0022] A new type of special-shaped suction filter assembly structure in the oil pan, combined with Figure 4 As shown, the oil pan 4 and the novel special-shaped suction filter are included. The angle between the bottom surface 41 and the side wall surface 42 of the oil pan 4 is an obtuse angle. The bottom surface of the lower shell 2 is tilted and arranged at the angle between the bottom surface 41 and the side wall surface 42 of the oil pan 4. The upper side edge of the bottom surface of the lower shell 2 is close to the side wall surface 42 of the oil pan 4 or is in contact with the side wall surface 42, thereby ensuring the necessary design height of the novel special-shaped suction filter in the normal direction of the oil pan 4.

[0023] When in use, the new special-shaped suction filter is placed at the bottom of the oil pan 4, and the bottom surface of the lower shell 2 is tilted and set at the angle between the bottom surface 41 and the side wall surface 42 of the oil pan 4, so that the new special-shaped suction filter can expand the filtering area and the space of the filter cavity; the oil is sucked from the bottom surface of the oil pan 4 through the oil inlet nozzle 22, and the oil is filtered by the filter paper 3 and then discharged from the new special-shaped suction filter through the oil outlet connecting pipe 16 and the oil outlet nozzle 17. The filtered oil is sent to the cooling and lubrication points through the pipeline; among them, after the new special-shaped suction filter is fixedly connected to the oil pan 4 through the fixing ear plate 18, the fixing ear plate 18 and the oil outlet nozzle 17 cooperate to enable the new special-shaped suction filter to be positioned at two points in the oil pan 4.

[0024] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A novel special-shaped suction filter, comprising an upper shell and a lower shell connected together to form a filter chamber between the upper and lower shells, wherein the upper shell, the lower shell, and the filter chamber are all L-shaped structures, the oil outlet provided on the top surface of the upper shell is located at one end of the L-shaped structure, and the oil inlet provided on the bottom surface of the lower shell is located at the other end of the L-shaped structure; characterized in that: The bottom surface of the lower shell and the top surface of the liquid inlet end of the upper shell are arranged parallel to each other, and the top surfaces of the middle part and the liquid outlet end of the upper shell form a ridge-type structure. The ridge-type structure is formed by integrating the first inclined surface and the second inclined surface and is higher than the top surface of the liquid inlet end of the upper shell. The second inclined surface faces above the liquid outlet end of the upper shell, and the oil outlet is located on the second inclined surface. An oil inlet nozzle is fixedly connected to the position corresponding to the oil inlet on the lower shell, and the oil inlet nozzle extends downward.

2. The novel special-shaped suction filter according to claim 1 is characterized in that: The lower side of the first inclined surface is located at the side of the upper shell and away from the liquid outlet end of the upper shell. The lower side of the first inclined surface is higher than or flush with the top surface of the liquid inlet end of the upper shell. The upper side of the first inclined surface extends to the liquid outlet end of the upper shell. The upper side of the second inclined surface is integrally connected to the upper side of the first inclined surface. The lower side of the second inclined surface is located at the liquid outlet end of the upper shell.

3. The novel special-shaped suction filter according to claim 1 is characterized in that: The end face of the oil inlet end of the oil inlet nozzle is tilted and has the same tilt direction as the first tilted face.

4. The novel special-shaped suction filter according to claim 1 is characterized in that: A recessed platform is provided on one side edge of the first inclined surface away from the oil inlet end of the upper shell.

5. The novel special-shaped suction filter according to claim 1 is characterized in that: A magnet for absorbing iron filings in the filter cavity is fixedly arranged on the bottom surface of the lower shell body, and the magnet is located in the middle of the lower shell body.

6. The novel special-shaped suction filter according to claim 1 is characterized in that: An oil outlet connecting pipe is fixedly connected to the position corresponding to the oil outlet on the second inclined surface, one end of the oil outlet connecting pipe is connected to the second inclined surface, and the other end of the oil outlet connecting pipe is fixedly connected to the oil outlet nozzle and communicated with it, and the oil outlet nozzle faces the oil inlet end of the upper shell.

7. The novel special-shaped suction filter according to claim 1 is characterized in that: A vertical fixing lug plate is fixedly connected to the first inclined surface.

8. The novel special-shaped suction filter according to claim 1 is characterized in that: An oil baffle is integrally provided on the second inclined surface. The oil baffle and the oil outlet are arranged in parallel in the horizontal direction. The oil baffle is arc-shaped. The inner arc surface of the oil baffle faces above the liquid outlet end of the upper shell, and the generatrix of the inner arc surface is arranged along the inclined direction of the second inclined surface.

9. A novel assembly structure of a special-shaped suction filter in an oil pan, characterized by: The invention comprises an oil pan and the novel special-shaped suction filter according to any one of claims 1 to 8, wherein the angle between the bottom surface and the side wall surface of the oil pan is an obtuse angle, the bottom surface of the lower shell is inclined at the angle between the bottom surface and the side wall surface of the oil pan, and the upper side edge of the bottom surface of the lower shell is close to the side wall surface of the oil pan or is in contact with the side wall surface.

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