CN219529112U

CN219529112U - Engine oil strainer

Info

Publication number: CN219529112U
Application number: CN202320184692.4U
Authority: CN
Inventors: 王根益; 黄吉敏; 王忠法
Original assignee: Ningbo Haina Machinery Co ltd
Current assignee: Ningbo Haina Machinery Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-08-15
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses an engine oil strainer, which belongs to the technical field of filtering equipment and is used for providing an engine oil strainer capable of dispersing resistance. The utility model discloses a for the end of strainer pipeline design into the expanded structure of horn-shaped to with the end of filtration cover in expansion portion, increased the interception area of impurity, dispersed fluid pressure and impurity distribution, reduced the resistance that the engine oil passed through, be favorable to reducing fluid feed mechanism's load.

Description

Engine oil strainer

Technical Field

The utility model relates to the technical field of filtering equipment, in particular to an engine oil strainer.

Background

Engine oil is commonly used in mechanical equipment to provide lubrication effect for relatively moving parts, but metal parts are lubricated by the engine oil but still worn for a long time to generate metal scraps, and the metal scraps can cause greater wear on the metal parts if left in the engine oil without treatment, so that an engine oil strainer is required to be arranged in the equipment with higher manufacturing cost to collect impurities in oil, reduce the wear of the equipment parts and prolong the service life of the equipment.

However, the diameter of the internal channel of the existing oil strainer is uniform, and as the impurities on the filter screen are increased, the resistance of oil passing through the filter screen is increased, and especially in an oil purifying system provided with an oil pump, the oil supply resistance of the oil pump is obviously increased when the oil is difficult to pass through the filter screen, and the service life of a motor for driving the oil pump is reduced under high-load conditions for a long time.

Disclosure of Invention

The utility model aims to provide an engine oil strainer capable of dispersing resistance.

In order to achieve the above object, the present utility model provides an engine oil strainer: including the drainage tube, drainage tube one end is connected with butt joint pipe, the other end is connected with the filter mantle, the butt joint pipe is kept away from the one end of drainage tube has the go-between, the main part of drainage tube is return bend portion, return bend portion is kept away from the one end of butt joint pipe is expansion portion, expansion portion's diameter is keeping away from the direction of return bend portion enlarges gradually, the filter mantle cover is established expansion portion's diameter maximum end, the diameter of filter mantle is biggest can effectively disperse pressure, and the impurity is tiling more easily after being intercepted by the filter mantle in order to reduce the resistance everywhere.

Preferably, the filter cover comprises a main filter plate, the edge of the main filter plate is provided with a cone-covering part, and the cone-covering part wraps the outer surface of the maximum diameter end of the expansion part, so that the connection stability of the filter cover is maintained.

Preferably, the expansion portion is in a truncated cone shape, the main filter plate is circular, and the cone-covering portion is in a truncated cone shape with an open upper end, and is engaged with the expansion portion.

Preferably, the main filter plate is provided with uniformly distributed through holes, and only the engine oil is allowed to pass through.

Preferably, the butt joint pipe comprises a transition pipe, a pipe sleeve is arranged at the other end of the connecting ring, and the pipe sleeve is sleeved at the other end of the bent pipe part far away from the expansion part and is in interference insertion fit.

Preferably, a through connecting piece hole is formed in a portion of the connecting ring extending out of the transition pipe, and a connecting piece such as a bolt passes through the through connecting piece hole to fix the whole strainer.

Preferably, the inner diameters of the bent pipe part and the transition pipe are uniform, and the bent part is in smooth transition, so that vibration and noise when engine oil passes through can be effectively reduced.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The end part of the strainer pipeline is designed into the horn-shaped expansion structure, and the filtering structure is sleeved at the end part of the expansion part, so that the interception area of impurities is increased, the oil pressure and the impurity distribution are dispersed, the resistance of the oil passing is reduced, and the load of the oil supply mechanism is reduced;

(2) Compared with the existing strainer, the novel strainer is simple in design structure, convenient to assemble and replace and lower in use cost.

Drawings

FIG. 1 is a front view of the oil strainer;

FIG. 2 is a top view of the oil strainer;

FIG. 3 is a partial cross-sectional view of the oil strainer at section line A-A of FIG. 2;

fig. 4 is a partial enlarged view of the oil strainer at B in fig. 3.

In the figure: 1. a drainage tube; 101. a bent pipe part; 102. an expansion section; 2. a butt joint pipe; 201. a transition pipe; 202. a pipe sleeve; 203. a connecting ring; 204. a connector hole; 3. a filter cover; 301. a main filter plate; 302. covering the cone part; 303. and a through hole.

Detailed Description

The present utility model will be further described with reference to the following specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be noted that, for the azimuth words such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present utility model that the device or element referred to must have a specific azimuth configuration and operation.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.

The terms "comprises" and "comprising," along with any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The engine oil strainer shown in fig. 1-4 comprises a drainage tube 1, one end of the drainage tube 1 is connected with a butt joint tube 2, the butt joint tube 2 comprises a transition tube 201 with uniform inner diameter and smooth transition at a bending position, vibration and noise are very small when engine oil passes through the transition tube 201, a pipe sleeve 202 is arranged at the other end of a connecting ring 203, the inner diameter of the pipe sleeve 202 is equal to the outer diameter of a bent pipe 101, the pipe sleeve 202 is sleeved at the other end of the bent pipe 101 far away from an expanding part 102, the pipe sleeve 202 and the pipe sleeve 101 are in interference fit, welding is needed at the joint fit when bearing large oil pressure, one end of the butt joint tube 2 far away from the drainage tube 1 is provided with the connecting ring 203, and a through connecting piece hole 204 is formed in the part of the connecting ring 203 extending out of the transition tube 201, so that a connecting piece such as a bolt can pass through the end part of the connecting ring 203 and the butt joint surface of a shell.

The other end of the drainage tube 1 is connected with a filter cover 3 for realizing filtration, the main body part of the drainage tube 1 is an elbow part 101 with uniform inner diameter and smooth transition at a bending part, the vibration and noise are smaller when oil passes through the elbow part 101, one end of the elbow part 101, which is far away from the butt joint tube 2, is an expansion part 102 for increasing the inner diameter of an oil discharge end, the expansion part 102 is in a circular truncated cone shape, the diameter of the expansion part 102 is gradually linearly expanded in the direction far away from the elbow part 101, the pressure of the oil gradually changes when the oil passes through the expansion part 102, and the oil pressure is gradually reduced when the oil is discharged; the oil pressure is gradually increased when the oil is sucked, the filter cover 3 is sleeved at the maximum diameter end of the expansion part 102, the oil pressure born by the filter cover 3 is minimum, the filter cover 3 comprises a main filter plate 301, the main filter plate 301 is circular, uniformly distributed through holes 303 are formed in the main filter plate 301, only the oil is allowed to pass through, impurities in the oil are intercepted, the edge of the main filter plate 301 is provided with a cone-covering part 302, the cone-covering part 302 is a round table with an open upper end, and the cone-covering part 302 just wraps and tightly clings to the outer surface of the maximum diameter end of the expansion part 102, so that the connection stability of the filter cover 3 is ensured.

Working principle: the engine oil strainer can be used in two different working states, when the engine oil strainer is used in an oil suction working condition, the end of the filter housing 3 is an oil suction end, the pressure of sucked oil is gradually increased through the expansion part 102 until the oil pressure in the bent pipe part 101 and the transition pipe 201 is kept constant, impurities in the oil are intercepted outside a pipeline, and the cleanliness of engine oil entering working equipment is ensured; when the filter cover is used for oil discharging, the end of the connecting ring 203 is an oil inlet end, oil enters the bent pipe part 101 from the transition pipe 201 at a relatively constant pressure until reaching the expansion part 102, the pressure gradually decreases, finally, the oil passes through the through hole 303 of the main filter plate 301 at a minimum pressure, impurities in the oil are reserved in the filter cover 3, the oil entering the oil tank can keep high cleanliness, and the oil can be used for another working condition after the filter is cleaned.

The foregoing has outlined the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An engine oil strainer, characterized in that: including drainage tube (1), drainage tube (1) one end is connected with butt joint pipe (2), the other end is connected with filter mantle (3), butt joint pipe (2) are kept away from the one end of drainage tube (1) has go-between (203), the main part of drainage tube (1) is return bend portion (101), return bend portion (101) are kept away from the one end of butt joint pipe (2) is expansion portion (102), the diameter of expansion portion (102) is keeping away from the direction of return bend portion (101) enlarges gradually, filter mantle (3) cover are established the diameter maximum end of expansion portion (102).

2. The engine oil strainer of claim 1 wherein: the filter cover (3) comprises a main filter plate (301), wherein the edge of the main filter plate (301) is provided with a cone-covering part (302), and the cone-covering part (302) wraps the outer surface of the maximum diameter end of the expansion part (102).

3. The oil strainer of claim 2 wherein: the expansion part (102) is in a truncated cone shape, the main filter plate (301) is in a round shape, and the cone-covering part (302) is in a truncated cone with an open upper end.

4. The engine oil strainer of claim 3 wherein: the main filter plate (301) is provided with evenly distributed through holes (303).

5. The engine oil strainer according to any one of claims 1 to 4, characterized in that: the butt joint pipe (2) comprises a transition pipe (201), the other end of the transition pipe (201) on the connecting ring (203) is provided with a pipe sleeve (202), and the pipe sleeve (202) is sleeved on the other end of the bent pipe part (101) far away from the expansion part (102).

6. The oil strainer of claim 5 wherein: the part of the connecting ring (203) extending out of the transition pipe (201) is provided with a through connecting piece hole (204).

7. The oil strainer of claim 6 wherein: the inner diameters of the bent pipe part (101) and the transition pipe (201) are uniform, and the bent part is in smooth transition.