Novel compact type electric drive lubricating oil filter
By designing a new compact electric drive lubricant filter and using a combination of folded toothed filter paper and filter element housing, the problem of blockage caused by traditional filters cannot store impurities, achieving efficient filtration and convenient maintenance.
Patent Information
- Application Number
- CN202420521931.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-18
AI Technical Summary
Traditional filters cannot store impurities during the lubricant filtration process, which leads to prone to blockage in the long-term use and causes problems with the oil pump to absorb air.
A new compact electric drive lubricating oil filter is designed, using a combination of folded toothed filter paper and filter element shell. The filter paper is located inside the filter element shell. The top of the filter element shell is equipped with a sealing area and sealing connection with the upper cover. The bottom folding of the filter element sheet is used to store filtered impurities.
It effectively avoids impurities blocking the filter paper, improves filtration efficiency and convenience, and reduces usage and maintenance costs.
Smart Images

Figure CN222566970U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of warp knitting machines, in particular to a novel compact electric-driven lubricating oil filter. Background Art
[0002] With the vigorous development of new energy in my country in recent years, pure electric and hybrid vehicles have been widely used. In addition, as the requirements for thermal management become increasingly higher, electric drive oil cooling technology has made great progress. As the modularization and smaller size of electric drive integration, the requirements for internal lubricating oil filtration are getting higher and higher. The traditional filter method can only intercept impurities and has no ability to store impurities. It is easy to get clogged after long-term use, causing the oil pump to suck air. Utility Model Content
[0003] The utility model aims to solve the shortcomings in the prior art and proposes a novel compact electric drive lubricating oil filter.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A novel compact electric drive lubricating oil filter comprises an upper cover and a lower cover, wherein the side wall of the upper cover is provided with an oil inlet, and the side wall of the lower cover is provided with an oil outlet, wherein a filter element assembly is provided inside the lower cover, wherein the filter element assembly comprises a filter element housing and filter paper, and the filter paper is located inside the filter element housing; the filter paper is in a folded tooth shape and is used to increase the filtering area; the upper cover and the lower cover are sealed and connected.
[0006] As a further solution of the utility model: a mounting bushing is installed on the outer side of the lower cover.
[0007] As a further solution of the utility model: a sealing ring is provided at the opening of the oil outlet.
[0008] As a further solution of the utility model: the inner wall of the lower cover is provided with placement wings for supporting the filter element housing.
[0009] As a further solution of the utility model: a sealing area is provided on the top of the filter element housing for sealingly connecting with the inside of the upper cover.
[0010] As a further solution of the utility model: a sealing protrusion is arranged at the opening of the lower cover, a sealing groove is arranged at the opening of the upper cover, and the outer diameter of the sealing protrusion is matched with the inner diameter of the sealing groove.
[0011] As a further solution of the utility model: the upper cover and the lower cover are welded together.
[0012] The beneficial effects of the utility model are: small structure, simple and reliable installation, reliable sealing method, and in the process of filtering the lubricating oil, the filtered impurities can be stored to effectively avoid clogging. While improving the convenience and economy of use, it also greatly reduces the use and maintenance costs of the utility model. It has extremely high practicality, convenience, wide application range and promotion value. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of a new type of compact electric drive lubricating oil filter proposed by the utility model;
[0014] Figure 2 This is a structural cross-sectional view of a new type of compact electric drive lubricating oil filter proposed by the utility model;
[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of a new type of compact electric drive lubricating oil filter proposed by the utility model.
[0016] In the figure: 1-upper cover, 2-filter element assembly, 21-filter element housing, 3-sealing ring, 4-lower cover, 5-installation bushing, 6-oil outlet, 7-placement wing, 8-oil inlet, 9-sealing area, 10-filter paper, 11-sealing protrusion, 12-sealing groove. DETAILED DESCRIPTION
[0017] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.
[0018] The embodiments of the present invention are 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 having 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 cannot be understood as limiting the present invention.
[0019] Reference Figure 1-3 A novel compact electric drive lubricating oil filter comprises an upper cover 1 and a lower cover 4. The side wall of the upper cover 1 is provided with an oil inlet 8, and the side wall of the lower cover 4 is provided with an oil outlet 6. A filter element assembly 2 is provided inside the lower cover 4. The filter element assembly 2 comprises a filter element housing 21 and filter paper 10. The filter paper 10 is located inside the filter element housing 21. The filter paper 10 is in a folded tooth shape for increasing the filtering area. The upper cover 1 and the lower cover 4 are sealed and connected.
[0020] As a preferred embodiment of the present utility model, a mounting bushing 5 is installed on the outer side of the lower cover 4 .
[0021] As a preferred embodiment of the present utility model, a sealing ring 3 is provided at the opening of the oil outlet 6 .
[0022] As a preferred embodiment of the present utility model, the inner wall of the lower cover 4 is provided with a placement wing 7 for supporting the filter element housing 21 .
[0023] As a preferred embodiment of the present utility model, a sealing area 9 is provided on the top of the filter element housing 21 for sealingly connecting with the interior of the upper cover 1 .
[0024] As a preferred embodiment of the utility model, a sealing protrusion 11 is provided at the opening of the lower cover 4, and a sealing groove 12 is provided at the opening of the upper cover 1. The outer diameter of the sealing protrusion 11 is matched with the inner diameter of the sealing groove 12.
[0025] As a preferred embodiment of the present utility model, the upper cover 1 and the lower cover 4 are connected by welding.
[0026] As a preferred embodiment of the present utility model, the side wall and the bottom of the filter element housing 21 are connected to the interior of the lower cover 4 .
[0027] As a preferred embodiment of the present utility model, filter screens are provided at the bottom and side walls of the filter element housing 21 .
[0028] As a preferred embodiment of the present utility model, the filter paper 10 and the filter element housing 21 are an integrally-molded structure formed by injection molding.
[0029] As a preferred embodiment of the present utility model, the filter paper 10 and the filter element housing 21 are formed into a foamed integrally formed structure.
[0030] As a preferred embodiment of the utility model, end face interference seal or elastic rubber seal is adopted between the filter element housing 21 and the upper cover 1 and the lower cover 4.
[0031] As a preferred embodiment of the utility model, the bottom inner wall of the lower cover 4 is inclined to ensure that the lubricating oil filtered by the filter paper 10 can quickly flow to the oil outlet 6.
[0032] When in use, the folded toothed filter paper 10 can effectively increase the filtration area and improve the filtration efficiency. During long-term filtration, the bottom fold of the filter paper 10 can store filtered impurities without affecting the filtration effect of the inclined side wall of the filter paper 10, effectively avoiding impurities from clogging the filter paper 10.
[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A novel compact electric drive lubricating oil filter, comprising an upper cover (1) and a lower cover (4), wherein the side wall of the upper cover (1) is provided with an oil inlet (8), and the side wall of the lower cover (4) is provided with an oil outlet (6), characterized in that: A filter element assembly (2) is arranged inside the lower cover (4), and the filter element assembly (2) comprises a filter element housing (21) and filter paper (10), and the filter paper (10) is located inside the filter element housing (21); The filter paper (10) is in a folded tooth shape, and is used to increase the filtering area; The upper cover (1) and the lower cover (4) are sealed and connected.
2. A novel compact electric drive lubricating oil filter according to claim 1, characterized in that: A mounting bushing (5) is mounted on the outer side of the lower cover (4).
3. A novel compact electric drive lubricating oil filter according to claim 1, characterized in that: A sealing ring (3) is provided at the opening of the oil outlet (6).
4. A novel compact electric drive lubricating oil filter according to claim 1, characterized in that: The inner wall of the lower cover (4) is provided with a placement wing (7) for supporting the filter element housing (21).
5. A novel compact electric drive lubricating oil filter according to claim 1, characterized in that: The top of the filter element housing (21) is provided with a sealing area (9) for sealingly connecting with the inside of the upper cover (1).
6. A novel compact electric drive lubricating oil filter according to claim 1, characterized in that: A sealing protrusion (11) is provided at the opening of the lower cover (4), and a sealing groove (12) is provided at the opening of the upper cover (1), wherein the outer diameter of the sealing protrusion (11) and the inner diameter of the sealing groove (12) are matched.
7. A novel compact electric drive lubricating oil filter according to claim 1, characterized in that: The upper cover (1) and the lower cover (4) are connected by welding.