High-concentricity integral filter element assembly

Abstract

The high-concentricity integral type filter element assembly comprises an upper end cover, filter paper, a central pipe and a lower end cover, a sealing assembly is installed at the opening position of the upper end cover, the sealing assembly and the central pipe are connected to form an integral type structure, and the central pipe is of an integral type structure. And a support frame is arranged in the central pipe. The sealing assembly and the center pipe are of an integrated structure so as to be located on the same central axis, overall high concentricity is guaranteed, the assembling procedure of the sealing assembly and the center pipe is omitted, the overall supporting effect on the filter paper is enhanced through the center pipe and the supporting frame in the center pipe, and the sealing performance is enhanced through high-sealing butt joint of the sealing assembly and the oil outlet of the base; therefore, the production efficiency and the filtering and cleaning effects of the filter element assembly are improved, and the filter element assembly is widely applied to filtering of fuel oil, lubricating oil and hydraulic oil.

Description

Technical Field

[0001] This invention relates to filtration systems, and more specifically to a filter element assembly used in a filter. Background Technology

[0002] Currently, filter cartridge assemblies used in filter presses generally include components such as an upper cap, filter paper, a central tube, and a lower cap. It is difficult to ensure a high degree of concentricity between the opening of the upper cap and the lower end of the filter paper. Furthermore, the central tube (also known as the support tube) is a separate unit, assembled from two identical hollow semi-circular structures. This requires an additional assembly process for the central tube, increasing assembly time and cost, and consequently reducing production efficiency. This severely impacts filtration and cleaning performance. Summary of the Invention

[0003] The purpose of this invention is to overcome the above-mentioned technical deficiencies and provide a high concentricity integral filter element assembly that maintains the concentricity of the central tube and filter paper and is easy to install.

[0004] The objective of this invention is achieved through the following technical solution: a high concentricity integral filter element assembly, including an upper end cover, filter paper, a central tube, and a lower end cover. A sealing component is installed at the opening of the upper end cover. The sealing component is connected to the central tube and forms an integral structure. The central tube is also an integral structure.

[0005] A support frame is installed inside the central tube. The support frame has a cross-shaped structure and extends from the top to the bottom of the central tube. The sealing assembly is sealed to the oil outlet of the base to maintain a high level of airtightness.

[0006] After adopting the technical solution of the present invention, the sealing component and the central tube are integral structures (both are injection molded in one piece), which ensures that the two are on the same central axis and ensures high concentricity of the whole, omitting the assembly process of the two. The central tube and the support frame inside it strengthen the overall support of the filter paper. The high sealing connection between the sealing component and the oil outlet of the base enhances its sealing performance, thereby improving the production efficiency and filtration and cleaning effect of the filter element assembly. It is widely used in the filtration of fuel, lubricating oil and hydraulic oil. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the structure of the high concentricity integral filter element assembly of the present invention.

[0008] Figure 2 for Figure 1 A schematic diagram of the integral structure of the sealing components and the central tube.

[0009] Figure 3 for Figure 1 A schematic diagram of the central tube (equipped with a support frame) structure. Detailed Implementation

[0010] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0011] like Figure 1 , Figure 2 As shown, the present invention relates to a high concentricity integral filter element assembly for automotive filters, comprising an upper end cap 1, filter paper 2, a central tube 3, and a lower end cap 4 (a closed end cap). A sealing component 5 is installed at the opening of the upper end cap 1 (an open end cap). This sealing component 5 is connected to the central tube 3 and forms an integral structure. The central tube 3 is also an integral structure (both are injection molded in one piece to ensure they are on the same central axis and to ensure high concentricity). The upper periphery of the central tube 3 has an extending step 7 that connects to the upper end cap 1, allowing for a tighter fit between the central tube and the upper end cap, and ensuring the relative position and orientation of the central tube, the sealing component, and the upper end cap.

[0012] like Figure 1 , Figure 3 As shown, a support frame 6 is installed inside the central tube 3. The support frame 6 has a cross-shaped structure and extends from the inner top to the inner bottom of the central tube, strengthening its support function. The sealing assembly 5 is sealed to the oil outlet of the base (which belongs to the base of the filter assembly) to maintain its high sealing performance.

Claims

1. A high-concentricity integral filter element assembly, comprising an upper end cap, filter paper, a central tube, and a lower end cap, characterized in that: A sealing component is installed at the opening of the upper end cover. The sealing component is connected to the central tube and forms an integral structure. The central tube is an integral structure.

2. The high concentricity integral filter element assembly as described in claim 1, characterized in that: A support frame is installed inside the central tube.

3. The high concentricity integral filter element assembly as described in claim 2, characterized in that: The support frame has a cross-shaped structure and extends from the inner top of the central tube to the inner bottom.

4. The high concentricity integral filter element assembly as described in claim 1 or 2, characterized in that: The sealing assembly is sealed and connected to the oil outlet of the base.

5. The high concentricity integral filter element assembly as described in claim 1 or 2, characterized in that: The upper periphery of the central tube has an extended step that connects to the upper end cap.

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