Novel precision filter element with folding structure

Abstract

The utility model discloses a novel precision filter element with a folding structure, which comprises an outer filter element, filter element seats fixedly mounted at the bottom end and the top end of the outer filter element, a bottom cover arranged at the bottom end of the lower filter element seat, a top cover arranged at the top end of the upper filter element seat, and a folding filter component arranged on the outer side of the outer filter element. According to the novel precise filter element with the folding structure, the folding filter assembly, the inner filter element and the outer filter element are arranged, and a filter layer is made of a highly hydrophobic and oleophobic fiber filter material and is folded, so that the filter area is increased; the framework is a high-flux and high-strength framework, and the framework and the end cover are made of corrosion-resistant materials, so that the integrity and the safety of the filter element are ensured; the folding filter assembly is of a folding structure, the filter area is increased through the folding structure, the filter area of the precision filter element with the same size and the novel folding structure is 3-5 times that of a traditional precision filter element, pressure drop is reduced, and the service time is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of precision filter technology, specifically a novel folded structure precision filter. Background Technology

[0002] Precision filters are used to block impurities and purify the medium, allowing clean fluids to flow through. These filters typically use high-precision filter elements to effectively remove minute particles, ensuring the purity of fluids or gases. For example, some precision filters can remove 100% of particles 0.01 micrometers and larger, and control oil mist concentration below 0.01 ppm. Precision filters are usually made of corrosion-resistant materials such as stainless steel, enabling them to operate stably in high-temperature and highly corrosive environments. This makes them widely used in industries such as petrochemicals, power generation, and metallurgy. Precision filters are typically designed with a compact structure and are easy to install, requiring only simple threaded connections without complex piping modifications.

[0003] However, traditional precision filter elements have the following drawbacks:

[0004] While traditional precision filter cartridges ensure filtration accuracy, their pressure drop is too high, resulting in a short service life. Utility Model Content

[0005] The purpose of this invention is to provide a novel folded structure precision filter element to solve the problems mentioned in the background art, such as the high pressure drop and short service life of traditional precision filter elements, which ensure filtration accuracy.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A novel folded structure precision filter element includes an outer filter element. A filter element seat is fixedly installed at both the bottom and top of the outer filter element. A bottom cover is provided at the bottom of the lower filter element seat, and a top cover is provided at the top of the upper filter element seat. A folded filter assembly is provided on the outer side of the outer filter element. Slots are provided at both ends of one side of each of the two filter element seats. An assembly groove is provided on one side of each of the four slots. A positioning assembly is fixedly installed on one side of the inner wall of each of the four assembly grooves. Locking posts are fixedly installed on both sides of the bottom of the top cover and both sides of the top of the bottom cover. A positioning groove is provided on one side of each of the four locking posts. Each of the folded filter assemblies includes a folding post and four movable strips. One end of each of the four movable strips is hinged to both ends of the folding post. A filter plate is slidably connected between every two adjacent movable strips.

[0007] Preferably, the top end of the filter plate above and the bottom end of the filter plate below are rotatably connected to the outer filter element, and each pair of adjacent filter plates are hinged together.

[0008] Preferably, an inner filter element is slidably connected inside the outer filter element, and the outer filter element and the inner filter element sequentially purify and filter the product.

[0009] Preferably, each of the four positioning components includes a connecting plate and a connecting spring. One side of the connecting plate is fixedly connected to one end of the connecting spring, and a positioning block is fixedly installed on the other end of the connecting spring. When the locking post is inserted into the slot, the connecting spring is elastic and pushes the positioning block from one side, so that the positioning block is inserted into the positioning slot, thus completing the assembly of the top cover, bottom cover and outer filter element.

[0010] Preferably, the four positioning blocks are respectively arranged corresponding to the four positioning slots, and the ends of the four connecting plates away from the connecting springs are respectively fixedly connected to the sides of the four assembly slots. The positioning components are installed in the assembly slots through the connecting plates.

[0011] Preferably, the four locking posts are respectively configured to correspond to the four locking slots, and the top cover and bottom cover pass through the locking posts and locking slots.

[0012] Preferably, filter screens are fixedly installed in the middle of both the top cover and the bottom cover, and the product is injected into the outer filter element through the filter screens.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. By setting up pleated filter components, inner filter element and outer filter element, the filter layer adopts strong hydrophobic and oleophobic fiber filter material, and the pleated filter material increases the filtration area; the inner filter element of the skeleton adopts a high-flux and high-strength skeleton, and the inner filter element of the skeleton and the end cap are made of corrosion-resistant materials to ensure the integrity and safety of the filter element.

[0015] 2. The pleated filter assembly itself has a pleated structure, which increases the filtration area. For the same size precision filter element, the filtration area of ​​the new pleated structure precision filter element is 3-5 times that of the traditional precision filter element, reducing pressure drop and extending service life. Attached Figure Description

[0016] Figure 1 This is a partial schematic diagram of the present invention;

[0017] Figure 2 This is a side sectional view of the present invention;

[0018] Figure 3 This is a partial schematic diagram of the folded filter assembly of this utility model;

[0019] Figure 4 This is a diagram showing the connection between the card post and the card slot of this utility model.

[0020] In the diagram: 1. Bottom cover; 2. Filter element holder; 3. Outer filter element; 4. Filter screen; 5. Top cover; 6. Folded filter assembly; 61. Filter plate; 62. Folded column; 63. Movable strip; 7. Slot; 8. Assembly slot; 9. Slot; 10. Inner filter element; 11. Positioning slot; 12. Positioning assembly; 121. Connecting plate; 122. Connecting spring; 123. Positioning block. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] Please see Figure 1-4 This utility model provides a novel folded structure precision filter element, including an outer filter element 3. Filter element seats 2 are fixedly installed at both the bottom and top of the outer filter element 3. A bottom cover 1 is provided at the bottom of the lower filter element seat 2, and a top cover 5 is provided at the top of the upper filter element seat 2. Folded filter components 6 are provided on the outer side of the outer filter element 3. Slots 7 are provided at both ends of one side of each of the two filter element seats 2. Assembly slots 8 are provided on one side of each of the four slots 7. Positioning components 12 are fixedly installed on one side of the inner wall of each of the four assembly slots 8. Sticks 9 are fixedly installed on both sides of the bottom of the top cover 5 and both sides of the top of the bottom cover 1. Positioning slots 11 are provided on one side of each of the four sticks 9. Each of the folded filter components 6 includes a folding post 62 and four movable strips 63. One end of each of the four movable strips 63 is hinged to both ends of the folding post 62. A filter plate 61 is slidably connected between each pair of adjacent movable strips 63.

[0023] The top of the upper filter plate 61 and the bottom of the lower filter plate 61 are rotatably connected to the outer filter element 3, and each pair of adjacent filter plates 61 are hinged together.

[0024] The outer filter element 3 is internally slidably connected to the inner filter element 10. The outer filter element 3 and the inner filter element 10 sequentially purify and filter the product.

[0025] Each of the four positioning components 12 includes a connecting plate 121 and a connecting spring 122. One side of the connecting plate 121 is fixedly connected to one end of the connecting spring 122, and a positioning block 123 is fixedly installed on the other end of the connecting spring 122. When the locking post 9 is inserted into the locking groove 7, the connecting spring 122 is elastic and pushes the positioning block 123 from one side, so that the positioning block 123 is inserted into the positioning groove 11, thus completing the assembly of the top cover 5, the bottom cover 1 and the outer filter element 3.

[0026] Four positioning blocks 123 are respectively set to correspond to four positioning slots 11. The ends of four connecting plates 121 away from the connecting springs 122 are respectively fixedly connected to the side of the four assembly slots 8 facing each other. The positioning component 12 is installed in the assembly slot 8 through the connecting plates 121.

[0027] The four locking posts 9 are respectively set with four locking slots 7, and the top cover 5 and the bottom cover 1 pass through the locking posts 9 and the locking slots 7.

[0028] A filter screen 4 is fixedly installed in the middle of the top cover 5 and the middle of the bottom cover 1. The product is injected into the outer filter element 3 through the filter screen 4.

[0029] In this embodiment, when the locking post 9 is inserted into the locking groove 7, the connecting spring 122 is elastic and pushes the positioning block 123 from one side, causing the positioning block 123 to be inserted into the positioning groove 11, thus completing the assembly of the top cover 5, bottom cover 1, and outer filter element 3. From the outside to the inside, the folded filter assembly 6, outer filter element 3, and inner filter element 10 should sequentially purify and filter the product. The filter layer of the filter element in the folded filter assembly 6 uses a strong hydrophobic and oleophobic fiber filter material. The folded structure increases the filtration area. The inner filter element 10 uses a high-flux, high-strength frame to ensure a small pressure drop. The corrosion-resistant frame and end cap can be used in harsh working conditions, extending the service life. The filtration efficiency of 0.01-micron impurities can reach more than 99.5%, and the service life is doubled. For the same size precision filter element, the filtration area of ​​the new folded structure precision filter element is 3-5 times that of the traditional precision filter element, which can reduce the pressure drop and extend the service life.

[0030] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A novel folded precision filter element, comprising an outer filter element (3), characterized in that: A filter element seat (2) is fixedly installed at both the bottom and top of the outer filter element (3). A bottom cover (1) is provided at the bottom of the lower filter element seat (2), and a top cover (5) is provided at the top of the upper filter element seat (2). A folded filter assembly (6) is provided on the outer side of the outer filter element (3). A slot (7) is provided at both ends of one side of each of the two filter element seats (2). An assembly groove (8) is provided on one side of each of the four slots (7). A filter element seat (6) is fixedly installed on one side of the inner wall of each of the four assembly grooves (8). The top cover (5) is equipped with a positioning component (12). The bottom two sides of the top cover (5) and the top two sides of the bottom cover (1) are fixedly installed with locking posts (9). The four locking posts (9) are provided with positioning grooves (11) on one side. The several folded filter components (6) include folding posts (62) and four movable strips (63). One end of the four movable strips (63) is respectively hinged to the two ends of the folding posts (62). A filter plate (61) is slidably connected between each two adjacent movable strips (63).

2. The novel folded structure precision filter element according to claim 1, characterized in that: The top end of the upper filter plate (61) and the bottom end of the lower filter plate (61) are rotatably connected to the outer filter element (3), and each pair of adjacent filter plates (61) are hinged together.

3. The novel folded structure precision filter element according to claim 1, characterized in that: The outer filter element (3) is internally slidably connected to the inner filter element (10).

4. The novel folded structure precision filter element according to claim 1, characterized in that: Each of the four positioning components (12) includes a connecting plate (121) and a connecting spring (122). One side of the connecting plate (121) is fixedly connected to one end of the connecting spring (122), and a positioning block (123) is fixedly installed on the other end of the connecting spring (122).

5. A novel folded structure precision filter element according to claim 4, characterized in that: The four positioning blocks (123) are respectively set to correspond to the four positioning slots (11), and the ends of the four connecting plates (121) away from the connecting springs (122) are respectively fixedly connected to the side of the four assembly slots (8) facing each other.

6. The novel folded structure precision filter element according to claim 1, characterized in that: The four card posts (9) are respectively set to correspond to the four card slots (7).

7. A novel folded structure precision filter element according to claim 1, characterized in that: A filter screen (4) is fixedly installed in the middle of the top cover (5) and the middle of the bottom cover (1).

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