CN210874391U - Interchangeable core adorns filter equipment soon - Google Patents

Abstract

The utility model relates to a core-replaceable rotary filter device, which comprises a base, a shell and a filter core; the outer shell is sleeved on the outer side of the base, and the spring is sleeved on the positioning ring; the base is provided with a circular central mounting hole and outlets uniformly distributed around the central mounting hole; the filter element comprises a supporting structure consisting of a lower end cover, a supporting tube and an upper end cover; the lower end cover comprises an inlet pipe, an annular lower supporting plate and a lower fixing ring, the inlet pipe is connected to the inner hole of the lower supporting plate, and the lower fixing ring is connected to the outer ring of the lower supporting plate; the upper end cover comprises a circular upper supporting plate and an upper fixing ring, and the upper fixing ring is connected with the outer ring of the upper supporting plate; the filter component is of a cylindrical pleated three-layer filter structure and comprises a secondary filter screen at the inner layer, a supporting and isolating screen at the middle layer and a primary filter screen at the outer layer; and a magnetic force adsorption ring is arranged at the end part of the inner side of the supporting tube and positioned at the end of the lower end cover. The filter core of this application passes through multi-stage filtration, and the ash holding rate improves greatly, has practiced thrift a large amount of spaces and has improved filtration efficiency.

Description

Interchangeable core adorns filter equipment soon

Technical Field

The utility model relates to a removable core adorns filter equipment soon belongs to internal-combustion engine filter technical field.

Background

The spin-on filter cartridge is rapidly applied to various fuel and engine oil filters with the advantages of convenient assembly and disassembly, beautiful appearance, less leakage and the like which are incomparable after being introduced into China from a mussel port filter cartridge factory. The prior art is that a manufactured filter element is placed in a shell after the shell is stretched by a mould, then the shell is sealed by a pressure sealing machine, electrophoresis spraying is carried out after the pressure sealing, and finally a sealing ring is installed. In the use process, the service life of the spin-on filter element is about 5000-10000 kilometers (100-200 hours) in the automobile field, the service life of the engine oil filter element is about 150-400 hours in the engineering machinery field, the service life of the engine oil filter element is about 200-400 hours in the marine diesel engine field, and the old filter element needs to be replaced by a new filter element when the service life is about to end. The filter element, especially the paper filter element, is widely applied to various filtering at present due to low cost and convenient replacement. Most of the prior pleated filter elements are single one-stage filtration and few multi-stage filtration in the market, but the multi-stage filtration reserves a space between the primary filtration and the secondary filtration, so that the filtration efficiency and the filtration area of the primary filtration and the secondary filtration are greatly reduced. The secondary filtration needs to be independently installed, the production process is troublesome, and the utilization rate of the product filtration space is not high. The rotary filter element in the prior art is a non-detachable whole, and needs to be replaced completely after the service life is over. The components such as the bottom plate of the shell are discarded together, and particularly, the replacement of a large filter element (with the diameter of more than 100 mm and the height of more than 200 mm) causes huge waste of resources and increases the maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the poor problem and the difficult problem of changing of filter area of current internal-combustion engine filter core filter effect, provide a filter equipment is adorned soon to interchangeable core.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a core-replaceable rotary filter device is characterized by comprising a base, a shell and a filter core; a cylindrical shell is sleeved outside the base, a positioning ring is arranged on the barrel bottom inside the shell, and a spring is sleeved on the positioning ring; the base is provided with a circular central mounting hole and outlets uniformly distributed around the central mounting hole; the filter element comprises a support structure consisting of a lower end cover, a support tube and an upper end cover, and a filter component which is sleeved outside the support tube and clamped between the upper end cover and the lower end cover; the lower end cover comprises an inlet pipe, an annular lower supporting plate and a lower fixing ring, the inlet pipe is connected to the inner hole of the lower supporting plate, and the lower fixing ring is connected to the outer ring of the lower supporting plate; the upper end cover comprises a circular upper supporting plate and an upper fixing ring, and the upper fixing ring is connected with the outer ring of the upper supporting plate; the filter component is of a cylindrical pleated three-layer filter structure and comprises a secondary filter screen at the inner layer, a supporting and isolating screen at the middle layer and a primary filter screen at the outer layer; the end part of the inner side of the supporting tube and positioned at the end of the lower end cover is provided with a magnetic adsorption ring, and an inlet pipe of the filter element is connected with the central mounting hole. The filter cartridge can be replaced inside the housing by removing the base.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

furthermore, the secondary filter screen is coarse filter paper. The filtration is relatively coarse and adsorbs relatively large particles of dirt. The positions of the coarse filter paper and the fine filter paper can be adjusted according to the flow direction, and oil needs to pass through the coarse filter paper, then pass through the isolation net and then pass through the fine filter paper.

Further, the supporting and isolating wire mesh is a metal wire mesh. A support net for supporting and protecting the filter paper and separating the primary filter paper from the secondary filter paper

Furthermore, the primary filter screen is fine filter paper. Finer impurities can be filtered.

Furthermore, the fold included angle of the filter assembly is 5-15 degrees. The filtering area can be effectively increased and a better flow passage can be provided.

Furthermore, the surface of the upper supporting plate is provided with a groove. And one end of each of the two ends of the spring is positioned in the groove, and the other end of each of the two ends of the spring is positioned at the positioning ring.

Furthermore, a sealing ring is arranged on the bottom surface of the base, a sealing ring A is arranged at the joint of the base and the shell, and a sealing ring B is arranged at the joint of the base and the filter element.

The utility model has the advantages that: the inner core can be replaced by disassembling the base, and the shell and the base are recycled, so that a large amount of maintenance cost is reduced, and a large amount of resources are saved. Compared with the existing rotary filter element, the filter element is more environment-friendly and material-saving; the sealing does not depend on a sealing machine any more, the manufacturing procedures of the shell are reduced, the resource consumption filter element in the production process is saved, the ash containing rate is greatly improved, and compared with a similar monomer multistage filter element, a large amount of space is saved, and the filtering efficiency is improved. The magnetic ring is added at the inlet, so that the filtering efficiency of the engine oil of the iron engine is greatly improved.

The primary filter paper, the support isolation net and the secondary filter paper are cut together, folded together and installed together, so that the space utilization rate is improved, and the service life of the filter paper is prolonged. The primary filter paper, the support isolation net and the secondary filter paper are cut and folded together, and the primary filter paper, the support isolation net and the secondary filter paper are installed together, and have the following advantages: the primary filtering area and the secondary filtering area are basically consistent, the space utilization rate is greatly improved, and the service life of the secondary filtering paper is prolonged; compared with the existing multistage filtration, the three-layer cutting, folding, mounting and the like greatly improve the production efficiency.

Drawings

FIG. 1 is a schematic perspective view of a replaceable core spin-on filter apparatus of the present application;

FIG. 2 is a schematic view of the internal structure of FIG. 1;

FIG. 3 is a schematic view of a filter cartridge;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view at Z in FIG. 4;

FIG. 6 is a schematic structural view of the lower end cap;

fig. 7 is a structural schematic diagram of the upper end cover.

The reference numbers are recorded as follows: 1-sealing ring, 2-base, 3-shell, 4-hexagon socket head cap screw, 5-sealing ring A, 6-sealing ring B, 7.1-lower end cover, 7.1.1-inlet pipe, 7.1.2-lower support plate, 7.1.3-lower fixing ring, 7.2-magnetic adsorption ring, 7.3-support cylinder, 7.4-upper end cover, 7.4.1-upper support plate, 7.4.2-upper fixing ring, 7.4.3-groove, 7.5-secondary filter screen, 7.6-support isolation screen, 7.7-primary filter screen, 8-spring and 9-positioning ring.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

A core-replaceable spin-on filter device (see figures 1-7) comprises a base 2, a shell 3 and a filter element 7; a cylindrical shell 3 is sleeved on the outer side of the base 2, a positioning ring 9 is arranged on the barrel bottom inside the shell 3, and a spring 8 is sleeved on the positioning ring 9; the base 2 has a circular central mounting hole and outlets uniformly arranged around the central mounting hole; the filter element 7 comprises a support structure consisting of a lower end cover 7.1, a support tube 7.3 and an upper end cover 7.4, and a filter component which is sleeved outside the support tube 7.3 and clamped between the upper end cover 7.4 and the lower end cover 7.1; the lower end cover 7.1 comprises an inlet pipe 7.1.1, an annular lower supporting plate 7.1.2 and a lower fixing ring 7.1.3, the inlet pipe is connected to the inner hole of the lower supporting plate 7.1.2, and the lower fixing ring 7.1.3 is connected to the outer ring of the lower supporting plate 7.1.2; the upper end cover 7.4 comprises a circular upper supporting plate 7.4.1 and an upper fixing ring 7.4.2, and the upper fixing ring 7.4.2 is connected with the outer ring of the upper supporting plate 7.4.1; the filter component is of a cylindrical pleated three-layer filter structure and comprises a secondary filter screen 7.5 at the inner layer, a supporting and isolating screen 7.6 at the middle layer and a primary filter screen 7.7 at the outer layer; a magnetic force adsorption ring 7.2 is arranged at the end part of the inner side of the support tube 7.3 and positioned at the end of the lower end cover 7.1, and an inlet tube 7.1.1 of the filter element 7 is connected with a central mounting hole; the secondary filter screen 7.5 is coarse filter paper; the supporting and isolating wire mesh 7.6 is a metal wire mesh; the primary filter screen 7.7 is fine filter paper; the fold included angle of the filtering component is 5-15 degrees; the surface of the upper supporting plate 7.4.1 is provided with a groove 7.4.3; a seal ring 1 is mounted on the bottom surface of a base 2, a seal ring A5 is mounted at the joint of the base 2 and a housing 3, and a seal ring B6 is mounted at the joint of the base 2 and a filter element 7.

This filter core machine oil gets into the back from the import pipe, and the wearing and tearing in-process produces a large amount of iron fillings and can partly be adsorbed by the powerful magnet of magnetic force adsorption ring, can increase the life of filter core after being adsorbed by magnet. The magnetic force adsorption ring is only used for an engine with an iron cylinder body, and is particularly suitable for a large-sized cylinder body which is an iron diesel engine (a large amount of scrap iron is contained in abrasion), and if the cylinder body is an aluminum engine, the engine is not suitable and can not be installed.

The filter element engine oil firstly enters the supporting pipe 3 after entering from the inlet pipe, and enters the space behind the primary filter screen 7 through the primary filter paper by passing through the peripheral wall holes of the supporting pipe 3, passes through the supporting and isolating screen 6, and then passes through the secondary filter paper 5 to finish final filtration.

Can be in this structure production process in the picture two grade filter paper 5, support isolation silk screen 6 and one-level filter screen 7, the three is tailor together, bends together, installs together (production process and individual layer filter paper technology are similar basically), does not have the incremental cost and has guaranteed that primary filter and two grade filter paper area are unanimous basically under the prerequisite of realizing the multistage filteration, has improved space utilization greatly and has increased the life of filter paper.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. A core-replaceable rotary filter device is characterized by comprising a base (2), a shell (3) and a filter element (7); a barrel-shaped shell (3) is sleeved on the outer side of the base (2), a positioning ring (9) is arranged on the barrel bottom inside the shell (3), and a spring (8) is sleeved on the positioning ring (9); the base (2) is provided with a circular central mounting hole and outlets uniformly distributed around the central mounting hole; the filter element (7) comprises a supporting structure consisting of a lower end cover (7.1), a supporting pipe (7.3) and an upper end cover (7.4), and a filter component which is sleeved on the outer side of the supporting pipe (7.3) and clamped between the upper end cover (7.4) and the lower end cover (7.1); the lower end cover (7.1) comprises an inlet pipe (7.1.1), an annular lower supporting plate (7.1.2) and a lower fixing ring (7.1.3), the inlet pipe is connected to the inner hole of the lower supporting plate (7.1.2), and the lower fixing ring (7.1.3) is connected to the outer ring of the lower supporting plate (7.1.2); the upper end cover (7.4) comprises a circular upper supporting plate (7.4.1) and an upper fixing ring (7.4.2), and the upper fixing ring (7.4.2) is connected with the outer ring of the upper supporting plate (7.4.1); the filter component is of a cylindrical pleated three-layer filter structure and comprises a secondary filter screen (7.5) at the inner layer, a supporting and isolating screen mesh (7.6) at the middle layer and a primary filter screen (7.7) at the outer layer; the end part of the inner side of the supporting tube (7.3) and positioned at the end of the lower end cover (7.1) is provided with a magnetic adsorption ring (7.2), and an inlet tube (7.1.1) of the filter element (7) is connected with the central mounting hole.

2. A spin-on filter device with a replaceable core according to claim 1, characterised in that the secondary filter (7.5) is a coarse filter paper.

3. A spin-on filter device with an exchangeable core according to claim 1, characterised in that the supporting and isolating wire (7.6) is a wire mesh.

4. A rotary filter device with replaceable core according to claim 1, characterized in that the primary filter (7.7) is fine filter paper.

5. The removable core spin-on filter apparatus of claim 1 wherein the filter assembly has an included pleat angle of 5 ° to 15 °.

6. A spin-on filter device with a replaceable core according to claim 1, characterized in that the upper support plate (7.4.1) is provided with a groove (7.4.3) on its surface.

7. A spin-on filter device with a replaceable core according to claim 1, characterised in that the sealing ring (1) is mounted on the bottom surface of the base (2), the sealing ring a (5) is mounted at the connection of the base (2) and the housing (3), and the sealing ring B (6) is mounted at the connection of the base (2) and the filter element (7).

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