High-flux folding cartridge filter element

Abstract

The utility model provides a high-flux folding cartridge filter element, and particularly relates to the technical field of cartridge filter elements, the high-flux folding cartridge filter element comprises a filter element, the filter element comprises an end cover, the bottom of the end cover is fixedly connected with an inner pipe, and according to the high-flux folding cartridge filter element, when filter cotton needs to be replaced, the filter cotton is wrapped on the outer side of the inner pipe; then the first limiting frame and the second limiting frame are arranged on the outer side of the filter cotton in a sleeving mode, the insertion columns on the first limiting frame are connected with the insertion holes in the second limiting frame in an inserted mode, during insertion, the anti-disengaging plug deforms and is guided through the arc face at one end of the anti-disengaging plug, interference fit and mutual insertion are achieved, and at the moment, one side of the anti-disengaging plug is attached to one side of the second fixing plate; and one side of a limiting ring is attached to the other side of the second fixing plate, so that the limiting effect is achieved, an inner pipe is matched, so that filter cotton can be fixed, then a handle is pressed downwards, the arc surface of a sliding column is attached to the outer walls of a first limiting frame and a second limiting frame, and the secondary limiting effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter core technical field especially, it relates to a kind of folding filter core applied to security filter. BACKGROUND

[0002] Security filter filter core is a kind of filter core for removing suspended solids, particulate, rust and other impurities in liquid in filtration system.Security filter filter core usually uses non-toxic and odorless polypropylene (PP) as raw material, is made by heating melting, spraying, traction, receiving forming, with uniform pore size, outer sparse inner dense deep filtration structure, high filtration efficiency and acid and alkali resistance, and filter core long time use, filter cotton needs to be replaced, ensure normal filtration. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a high-flux folding security filter filter core to replace filter cotton after long time use of filter core, to ensure normal filtration.

[0004] The technical scheme of the utility model is a kind of high-flux folding security filter filter core, including filter core, the filter core includes end cap, one end of the inner tube of filter core is connected with the end cap, the other end of the inner tube is fixedly connected with connecting pipe head, the outer side of the connecting pipe head is equipped with sealing ring;The outer side of the inner tube is provided with filter cotton, the outer side of the filter cotton is provided with first limit frame and second limit frame, the outer side of the connecting place of the first limit frame and second limit frame is provided with limiting mechanism.

[0005] According to the high-flux folding security filter filter core of the utility model, preferably, the outer wall of the inner tube is provided with a plurality of through grooves.

[0006] Further, the through grooves are evenly distributed on the outer wall of the inner tube.

[0007] According to the high-flux folding security filter filter core of the utility model, preferably, the outer wall of the first limit frame and second limit frame is provided with limit frame through groove, and the limit frame through groove is equidistantly distributed on the outer wall of the first limit frame and second limit frame.

[0008] According to the high-flux folding security filter filter core of the utility model, preferably, the inner tube is communicated with the connecting pipe head.

[0009] According to the high-flux folding security filter filter core of the utility model, preferably, the limiting mechanism includes first fixed plate provided on the limit frame and plug column located on the first fixed plate, the plug column is provided with limiting ring, the other limit frame is provided with second fixed plate, and the second fixed plate is provided with insertion hole.

[0010] Further, the limiting ring is provided with anti-dropping plug.

[0011] Further, the second fixed plate is fixedly connected to the outer side of the first limiting frame; the outer side of the insertion column is fixedly connected with a limiting ring, and one end of the insertion column is fixedly connected with an anti-dropping plug; the outer side of the second limiting frame is fixedly connected with the second fixed plate, and the insertion hole is formed through the second fixed plate.

[0012] The inner wall of the insertion hole is matched with the outer wall of the insertion column, and after the insertion column is inserted into the insertion hole, one side of the limiting ring is tightly combined with one side of the second fixed plate.

[0013] According to the high-throughput folding security filter filter element, preferably, one end of the end cover is provided with a handle, the other end of the end cover is fixedly connected with a sliding column, and one end of the sliding column is fixedly connected with an anti-dropping plate.

[0014] Further, one side of the sliding column is provided with a circular arc surface, and the outer side of the sliding column is combined with the outer walls of the first limiting frame and the second limiting frame. One side of the sliding column is provided with a circular arc surface, that is, the inner side of the sliding column is provided with a circular arc surface.

[0015] Compared with the prior art, the high-throughput folding security filter filter element has the beneficial effects that: when in use, the filter element is placed in the security filter, the connecting pipe head is connected with the water outlet of the security filter, and the sealing ring is used to achieve the sealing effect; the water to be filtered penetrates into the filter element through the through grooves on the outer sides of the first limiting frame and the second limiting frame, is filtered by the filter cotton, and is then discharged through the inner tube and the water outlet; the through grooves on the outer sides of the inner tube, the first limiting frame and the second limiting frame are equidistantly distributed, so that the high-throughput effect is achieved; when the filter cotton needs to be replaced, the filter cotton is wrapped outside the inner tube, and then the first limiting frame and the second limiting frame are sleeved outside the filter cotton; the insertion column on the first limiting frame is inserted into the insertion hole on the second limiting frame; during the insertion, the anti-dropping plug is deformed, and is guided by the circular arc surface at one end of the anti-dropping plug, so that the interference fit is achieved; at this time, one side of the anti-dropping plug is combined with one side of the second fixed plate, and one side of the limiting ring is combined with the other side of the second fixed plate, so that the limiting effect is achieved; in cooperation with the inner tube, the filter cotton can be fixed, and then the handle is pressed down, so that the circular arc surface of the sliding column is combined with the outer walls of the first limiting frame and the second limiting frame, and the secondary limiting effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the appearance structure of the utility model;

[0017] Figure 2 is a schematic view of the structure of the cooperation between the inner tube and the filter cotton of the utility model;

[0018] Figure 3This is a schematic diagram of the limiting mechanism structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the sliding column and anti-detachment plate used in conjunction with this utility model.

[0020] In the diagram: 1. End cap; 2. Inner tube; 3. Connecting tube head; 4. Sealing ring; 5. Filter cotton; 6. First limiting frame; 7. First fixing plate; 8. Insert post; 9. Limiting ring; 10. Anti-detachment plug; 11. Second limiting frame; 12. Second fixing plate; 13. Insertion hole; 14. Handle; 15. Sliding post; 16. Anti-detachment plate. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0023] Please see Figures 1-4 This utility model discloses a high-throughput folded security filter element: The filter element includes an end cap 1, with an inner tube 2 fixedly connected to the bottom of the end cap 1. A connecting pipe head 3 is fixedly connected to one end of the inner tube 2. A sealing ring 4 is fitted around the outside of the connecting pipe head 3. Filter cotton 5 is arranged on the outside of the inner tube 2. A first limiting frame 6 and a second limiting frame 11 are arranged on the outside of the filter cotton 5. A limiting mechanism is provided at the connection point between the first limiting frame 6 and the second limiting frame 11. In use, the filter element is placed in the security filter, and the connecting pipe head 3 is connected to the outlet of the security filter. The sealing ring 4 achieves a sealing effect. The water to be filtered seeps into the filter element through the grooves on the outside of the first limiting frame 6 and the second limiting frame 11, is filtered by the filter cotton 5, and then discharged through the outlet connected to the inner tube 2. The high-throughput effect is achieved through the equidistantly distributed grooves on the outside of the inner tube 2, the first limiting frame 6, and the second limiting frame 11. The first limiting frame 6 and the second limiting frame 11 are on the same layer and together form a circle. Figure 3 This is an unfolded diagram.

[0024] Furthermore, through grooves are provided on the outer wall of the inner tube 2, and the through grooves are evenly distributed on the outer wall of the inner tube 2.

[0025] Furthermore, through slots are provided on the outer walls of the first limiting frame 6 and the second limiting frame 11, and the through slots are equidistantly distributed on the outer walls of the first limiting frame 6 and the second limiting frame 11.

[0026] Furthermore, the inner tube 2 is connected to the connecting pipe head 3.

[0027] To facilitate the replacement of filter cotton 5, the limiting mechanism includes a first fixing plate 7, a plug 8, a limiting ring 9, an anti-detachment plug 10, a second fixing plate 12, and a socket 13. The second fixing plate 12 is fixedly connected to the outer side of the first limiting frame 6, and the plug 8 is fixedly connected to one side of the second fixing plate 12. The limiting ring 9 is fixedly connected to the outer side of the plug 8, and the anti-detachment plug 10 is fixedly connected to one end of the plug 8. The second fixing plate 12 is fixedly connected to the outer side of the second limiting frame 11, and a socket 13 is provided through one side of the second fixing plate 12. The outer wall of the socket 13 is adapted to the outer wall of the plug 8. One side of the limiting ring 9 is tightly fitted to one side of the second fixing plate 12. When it is necessary to replace the filter cotton 5, the filter cotton 5 is wrapped around it. On the outside of the inner tube 2, the first limiting frame 6 and the second limiting frame 11 are then placed on the outside of the filter cotton 5. The insertion post 8 on the first limiting frame 6 is inserted into the insertion hole 13 on the second limiting frame 11. During insertion, the anti-detachment plug 10 deforms and is guided by the arc surface of one end of the anti-detachment plug 10, thereby achieving an interference fit and mutual insertion. At this time, one side of the anti-detachment plug 10 is attached to one side of the second fixing plate 12, and one side of the limiting ring 9 is attached to the other side of the second fixing plate 12, thereby achieving a limiting effect. With the inner tube 2, the filter cotton 5 can be fixed. Then, the handle 14 is pressed down, and the arc surface of the sliding post 15 is attached to the outer wall of the first limiting frame 6 and the second limiting frame 11, achieving a secondary limiting effect.

[0028] Furthermore, one end of the end cap 1 is provided with a handle 14, the bottom of the handle 14 is fixedly connected to a sliding post 15, one end of the sliding post 15 is fixedly connected to an anti-detachment plate 16, one side of the sliding post 15 is provided with an arc surface, and the outer side of the sliding post 15 is in contact with the outer wall of the first limiting frame 6 and the second limiting frame 11.

[0029] Working principle: During use, the filter element is placed in the security filter, and the connecting pipe 3 is connected to the outlet of the security filter. A sealing effect is achieved through the sealing ring 4. The water to be filtered seeps into the filter element through the grooves on the outside of the first limiting frame 6 and the second limiting frame 11. The water is filtered by the filter cotton 5 and then discharged through the outlet connected to the inner pipe 2. The high flow rate is achieved through the equidistantly distributed grooves on the inner pipe 2, the outside of the first limiting frame 6, and the second limiting frame 11. When the filter cotton 5 needs to be replaced, it is wrapped around the outside of the inner pipe 2, and then the first limiting frame 6 and the second limiting frame 11 are placed over the filter cotton 5. The insertion post 8 on the positioning frame 6 is inserted into the insertion hole 13 on the second limiting frame 11. During insertion, the anti-detachment plug 10 deforms and is guided by the arc surface of one end of the anti-detachment plug 10, thereby achieving an interference fit and mutual insertion. At this time, one side of the anti-detachment plug 10 is attached to one side of the second fixing plate 12, and one side of the limiting ring 9 is attached to the other side of the second fixing plate 12, thereby achieving a limiting effect. With the inner tube 2, the filter cotton 5 can be fixed. Then, the handle 14 is pressed down, and the arc surface of the sliding post 15 is attached to the outer wall of the first limiting frame 6 and the second limiting frame 11, achieving a secondary limiting effect. The filter element model is: RFP050-40NPX-L.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-throughput pleated security filter element, comprising a filter element, the filter element including an end cap (1), characterized in that: One end of the inner tube (2) of the filter element is connected to the end cap (1), and the other end of the inner tube (2) is fixedly connected to the connecting tube head (3). A sealing ring (4) is sleeved on the outside of the connecting tube head (3). Filter cotton (5) is provided on the outside of the inner tube (2). A first limiting frame (6) and a second limiting frame (11) are provided on the outside of the filter cotton (5). A limiting mechanism is provided on the outside of the connection between the first limiting frame (6) and the second limiting frame (11).

2. The high-throughput pleated security filter element according to claim 1, characterized in that: The outer wall of the inner tube (2) is provided with several through grooves.

3. The high-throughput pleated security filter element according to claim 2, characterized in that: The through grooves are evenly distributed on the outer wall of the inner tube (2).

4. The high-throughput pleated security filter element according to claim 1, characterized in that: The outer walls of the first limiting frame (6) and the second limiting frame (11) are provided with limiting frame through slots, which are equidistantly distributed on the outer walls of the first limiting frame (6) and the second limiting frame (11).

5. A high-throughput pleated security filter element according to claim 1, characterized in that: The inner tube (2) is connected to the connecting pipe head (3).

6. A high-throughput pleated security filter element according to claim 1, characterized in that: The limiting mechanism includes a first fixing plate (7) disposed on the limiting frame and a plug (8) located on the first fixing plate (7). The plug (8) is provided with a limiting ring (9). The other limiting frame is provided with a second fixing plate (12), and the second fixing plate (12) is provided with a plug hole (13).

7. A high-throughput pleated security filter element according to claim 6, characterized in that: The limiting ring (9) is provided with an anti-detachment plug (10).

8. A high-throughput pleated security filter element according to claim 6, characterized in that: The second fixing plate (12) is fixedly connected to the outside of the first limiting frame (6); the outside of the plug (8) is fixedly connected to a limiting ring (9), and one end of the plug (8) is fixedly connected to an anti-detachment plug (10); the outside of the second limiting frame (11) is fixedly connected to the second fixing plate (12), and the insertion hole (13) is opened through the second fixing plate (12).

9. A high-throughput pleated security filter element according to claim 1, characterized in that: One end of the end cap (1) is provided with a handle (14), and the other end of the end cap is fixedly connected to a sliding column (15), and one end of the sliding column (15) is fixedly connected to an anti-detachment plate (16).

10. A high-throughput pleated security filter element according to claim 9, characterized in that: One side of the sliding column (15) is an arc surface, and the outer side of the sliding column (15) is in contact with the outer wall of the first limiting frame (6) and the second limiting frame (11).

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