Centrifugal oil filter

By designing inclined baffles and oil outlet structures in the centrifugal oil filter, combined with an adsorption layer, the problem of impurities clogging the inner side wall of the rotor body is solved, achieving long-term stable operation and extended service life of the filter.

CN223707746UActive Publication Date: 2025-12-23NINGBO DIERWEI POWER MASCH CO LTD
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Patent Information

Application Number
CN202520570808.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-12-23
Estimated Expiration
2035-03-28

AI Technical Summary

Technical Problem

After prolonged use, metal shavings and impurities accumulate on the inner wall of the rotor mechanism of existing centrifugal oil filters, causing outlet blockage and affecting the normal operation of the filter.

Method used

A structure including a base, a housing, a rotor shaft, and a rotating body is designed. The rotating body is provided with an inclined baffle and an oil outlet. Centrifugal force is used to throw impurities toward the collection part to avoid clogging, and an adsorption layer is set to remove residual impurities.

Benefits of technology

It effectively prevents impurities from clogging the outlet, thus improving the filter's service life and operational stability.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223707746U_ABST
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Abstract

The centrifugal oil filter comprises a base, a shell, a rotor shaft and a rotating body, the shell is installed on the base, the rotor shaft is vertically arranged between the base and the shell, the rotating body is rotationally connected to the circumferential side of the rotor shaft, an oil inlet cavity is formed in the rotor shaft, and an oil outlet cavity is formed in the oil inlet cavity. An oil inlet cavity is formed in the side wall of the rotor shaft, an oil outlet hole is formed in the side wall of the rotor shaft, the oil inlet cavity is communicated with an inner cavity of the rotating body through the oil outlet hole, a partition plate is arranged in the rotating body, the inner cavity of the rotating body is vertically divided into an upper oil cavity and a lower oil cavity by the partition plate, the partition plate is obliquely and downwards arranged from inside to outside, and the partition plate comprises a collecting part and a mounting part; the mounting part is located on the inner circumferential side of the collecting part, and a plurality of through holes are evenly formed in the side wall of the mounting part. The filter has the effect of prolonging the service life of the filter.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oil filters, in particular to a centrifugal oil filter. BACKGROUND

[0002] The filter is used to remove metal chips and various impurities in the oil, so that the oil reaches a certain cleanliness, prevents device wear and tear, protects the main machine parts, and prolongs their service life. The centrifugal filter is composed of a base, a shell, a rotor shaft and a rotor body mechanism. The rotor body mechanism is sleeved on the rotor shaft and can rotate freely. After the filter is used for a long time, the inner side wall of the rotor body mechanism will have a lot of metal chips and various impurities. When the filter stops working, the metal chips and various impurities on the inner side wall of the rotor body mechanism will fall to the bottom, and then the outlet of the rotor body mechanism will be blocked, thereby affecting the subsequent operation of the filter. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at the defects and deficiencies of the prior art, and provides a centrifugal oil filter.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] It comprises a base, a shell, a rotor shaft and a rotating body. The shell is installed on the base. The rotor shaft is vertically arranged between the base and the shell. The rotating body is rotationally connected to the circumferential side of the rotor shaft. The rotor shaft has an oil inlet cavity. The side wall of the rotor shaft is provided with an oil outlet hole. The oil outlet hole communicates the oil inlet cavity with the inner cavity of the rotating body. The rotating body has an inner partition. The partition separates the inner cavity of the rotating body into an upper oil cavity and a lower oil cavity. The partition is inclined downward from inside to outside. The partition comprises a collecting part and a mounting part. The mounting part is located on the inner circumferential side of the collecting part. The side wall of the mounting part is uniformly provided with a plurality of through holes.

[0006] Preferably, the through hole is provided with a baffle. The baffle and the mounting part form a communication hole. The communication hole is outwardly provided.

[0007] Preferably, the circumferential side of the rotor shaft is circumferentially uniformly provided with a plurality of supporting blocks. The lower side of the inner circumferential side of the mounting part is uniformly provided with a plurality of embedding grooves. The supporting blocks are embedded and fixed in the embedding grooves.

[0008] Preferably, the oil outlet hole is long strip-shaped and vertically provided.

[0009] Preferably, the circumferential side of the rotor shaft is provided with a baffle. The baffle is funnel-shaped. The oil outlet hole corresponds to the inner side wall of the baffle.

[0010] Preferably, the inner circumferential side of the baffle is clamped and fixed to the circumferential side of the rotor shaft.

[0011] Preferably, the inner circumferential side of the shell is fixed with an adsorption layer.

[0012] To sum up, the beneficial technical effects of the present application are:

[0013] When the filter works, oil enters the oil inlet cavity, and then flows into the cavity of the rotating body from the oil outlet hole. Under the rotation of the rotating body, the metal chips and impurities in the oil are thrown to the inner side wall of the cavity, and the oil with high cleanliness flows from the through hole to the oil outlet of the filter. When the filter is in a non-working state, the metal chips and impurities on the inner side wall of the cavity of the rotating body fall into the collection part of the partition plate, so that the metal chips and impurities do not block the outlet of the rotating body, thereby the filter is not affected in the subsequent work, and the service life of the filter is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a sectional view of the filter of the present application;

[0015] Figure 2 is Figure 1 is an enlarged view of A in figure.

[0016] In the figure: 1, base; 2, shell; 3, rotor shaft; 4, rotating body; 5, oil inlet; 6, oil outlet; 7, oil inlet cavity; 8, oil outlet hole; 9, adsorption layer; 10, partition plate; 11, oil supply cavity; 12, lower oil cavity; 13, collection part; 14, mounting part; 15, through hole; 16, baffle; 17, communication hole; 18, support block; 19, embedded groove; 20, baffle; 21, fixing hole; 22, fixing hook. DETAILED DESCRIPTION

[0017] The present application will be further described below in conjunction with the drawings.

[0018] The embodiment of the present application discloses a centrifugal oil filter.

[0019] Referring to Figure 1 and Figure 2 , comprising a base 1, a shell 2, a rotor shaft 3 and a rotating body 4, the lower end of the base 1 has an oil inlet 5, one side of the base 1 has an oil outlet 6, the shell 2 is coveringly fixed to the upper end of the base 1, the rotor shaft 3 is vertically placed and rotationally connected between the shell 2 and the base 1, the rotor shaft 3 has an oil inlet cavity 7, one end of the oil inlet cavity 7 is in communication with the oil inlet 5, four oil outlet holes 8 are evenly arranged on the side wall of the rotor shaft 3 in a circumferential direction, the oil outlet holes 8 are in communication between the oil inlet cavity 7 and the inner cavity of the rotating body 4, the circumferential side of the lower end of the rotating body 4 has a plurality of outlets, the outlets are in communication between the inner cavity of the rotating body 4 and the oil outlet 6, and the inner side wall of the rotating body 4 is fixed with an adsorption layer 9.

[0020] The inner cavity of the rotating body 4 horizontally has a partition plate 10, which divides the inner cavity of the rotating body 4 into an upper oil cavity 11 and a lower oil cavity 12, and the partition plate 10 comprises a collecting part 13 and a mounting part 14, the vertical section of the collecting part 13 is in a circular arc shape, the collecting part 13 is integrally arranged on the mounting part 14, the mounting part 14 is arranged downwardly and outwardly, the side wall of the mounting part 14 is uniformly provided with a plurality of through holes 15, the upper part of the through hole 15 is integrally provided with a baffle 16, the baffle 16 and the mounting part 14 form a communication hole 17, and the communication hole 17 is outwardly arranged. Under the blockage of the baffle 16, metal scraps and various impurities can be prevented from entering the through hole 15, and then under the action of the centrifugal force, the metal scraps and various impurities on the baffle 16 move to the collecting part 13 after the rotating body 4 rotates.

[0021] The rotating shaft 3 is uniformly and circumferentially provided with three supporting blocks 18, the lower side of the inner circumferential side of the mounting part 14 is uniformly provided with three embedding grooves 19, and the supporting block 18 is embedded and fixed in the embedding groove 19. By inserting the three supporting blocks 18 into the three embedding grooves 19, the partition plate 10 can be mounted and fixed on the rotating shaft 3.

[0022] The oil outlet hole 8 is in a strip shape and vertically arranged. The strip-shaped oil outlet hole 8 can increase the flowability of the oil.

[0023] The rotating shaft 3 is fixedly provided with a baffle 20, the baffle 20 is in a funnel shape, the baffle 20 is arranged downwardly and outwardly, the inner side wall of the baffle 20 corresponds to the oil outlet hole 8, the inner circumferential side of the baffle 20 is uniformly provided with two fixing holes 21, and the rotating shaft 3 is fixedly provided with two fixing hooks 22, and the fixing hook 22 is buckled and fixed in the fixing hole 21.

[0024] The above is only a preferred embodiment of the present application, so equivalent changes or modifications made according to the structure, features and principles of the present application patent application range are included in the present application patent application range.

Claims

1. A centrifugal oil filter, comprising a base (1), a shell (2), a rotor shaft (3) and a rotating body (4), the shell (2) is installed on the base (1), the rotor shaft (3) is vertically arranged between the base (1) and the shell (2), the rotating body (4) is rotationally connected to the circumferential side of the rotor shaft (3), the rotor shaft (3) has an oil inlet cavity (7) therein, an oil outlet hole (8) is formed in the side wall of the rotor shaft (3), and the oil outlet hole (8) communicates the oil inlet cavity (7) with the inner cavity of the rotating body (4), characterized in that: The rotating body (4) is internally provided with a partition plate (10), which divides the inner cavity of the rotating body (4) into an upper oil cavity (11) and a lower oil cavity (12) from top to bottom, and is arranged in a downward inclination from inside to outside.

2. A centrifugal oil filter according to claim 1, wherein The partition plate (10) comprises a collecting portion (13) and a mounting portion (14), and the mounting portion (14) is located at the inner circumferential side of the collecting portion (13).

3. A centrifugal oil filter according to claim 1, wherein A plurality of through holes (15) are uniformly arranged on the side wall of the mounting portion (14).

4. A spin-on oil filter according to claim 1 wherein, A baffle (16) is arranged in the through hole (15), and a communication hole (17) is formed between the baffle (16) and the mounting portion (14).

5. A centrifugal oil filter according to claim 1 wherein, The communication hole (17) is arranged in an outward opening manner.

6. A centrifugal oil filter according to claim 5, wherein A plurality of supporting blocks (18) are uniformly arranged on the circumferential side of the rotor shaft (3).

7. A spin-on oil filter according to claim 1 wherein, A plurality of embedding grooves (19) are uniformly arranged on the lower side of the inner circumferential side of the mounting portion (14). The supporting blocks (18) are embedded and fixed in the embedding grooves (19). The oil outlet hole (8) is in a strip shape and is arranged in a vertical opening manner. A baffle (20) is arranged on the circumferential side of the rotor shaft (3). The baffle (20) is in a funnel shape, and the oil outlet hole (8) corresponds to the inner side wall of the baffle (20). The inner circumferential side of the baffle (20) is clamped and fixed to the circumferential side of the rotor shaft (3). An adsorption layer (9) is fixedly arranged on the inner circumferential side of the shell (2).