A nonwoven fabric filter

Abstract

The utility model relates to a kind of non-woven fabric filters, belong to filter technical field, including the installation ring of two, two The filter ring is placed between installation ring, two The filter layer of two is placed between installation ring, two The filter assembly for filtering liquid is equipped between installation ring, the filter assembly includes first non-woven fabric fiber ring, first non-woven fabric fiber ring is fixedly connected between two filter layers, the outer peripheral wall of the filter ring is fixedly sleeved with second non-woven fabric fiber ring, two The side surface of opposite installation ring is all set with positioning slot. The non-woven fabric filter, by the action of first non-woven fabric fiber ring and second non-woven fabric fiber ring, liquid is filtered conveniently, improve filtering effect, and after blockage, it is also convenient to clean, improve use effect, simultaneously, by the cooperation between positioning ring and positioning slot, filter layer is conveniently limited, and it is convenient for staff to operate.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, specifically a non-woven fabric filter. Background Technology

[0002] A filter is an indispensable device in pipelines that transport media. It is usually installed at the inlet end of pressure reducing valves, pressure relief valves, and constant water level valves. The filter consists of a cylinder, a stainless steel filter screen, a sewage discharge section, a transmission device, and an electrical control section. After the water to be treated passes through the filter screen cylinder, impurities are blocked.

[0003] Existing filters typically use a filter screen, which is mostly made of sponge. Once clogged, the screen is difficult to clean, resulting in low filtration efficiency and reduced effectiveness. Therefore, a non-woven fabric filter is proposed to solve these problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a non-woven fabric filter that has the advantage of improved filtration efficiency. It solves the problem that existing filters, which are generally filtered through filter screens, are mostly made of sponge, and become clogged, resulting in low filtration efficiency and reduced effectiveness.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A nonwoven filter includes two mounting rings, a filter ring placed between the two mounting rings, two filter layers placed between the two mounting rings, and a filter assembly for filtering liquids provided between the two mounting rings.

[0007] The filter assembly includes a first nonwoven fiber ring, which is fixedly connected between two filter layers. A second nonwoven fiber ring is fixedly fitted onto the outer peripheral wall of the filter ring. Positioning grooves are provided on opposite sides of the two mounting rings, and positioning rings are placed inside the two positioning grooves. The filter layers and the first nonwoven fiber ring are fixedly connected to the positioning rings.

[0008] A positioning component for positioning the filter ring is provided between the two mounting rings.

[0009] A fixing component is provided between the two mounting rings to secure the positioning ring.

[0010] Furthermore, the filter ring is located inside the filter layer, and both mounting rings are fitted to the filter ring.

[0011] Furthermore, the positioning groove is an annular groove, and the positioning ring and the positioning groove are fitted together.

[0012] Furthermore, the positioning component includes four positioning rods, which are fixedly connected in pairs to the top and bottom surfaces of the filter ring. Two positioning holes are provided on the opposite sides of the two mounting rings, and the positioning rods extend into the interior of the positioning holes. Rubber rings are fixedly connected to the inner circumferential walls of the two positioning rings, and two mounting grooves are provided on the opposite sides of the two mounting rings.

[0013] Furthermore, the positioning rod and the positioning hole are fitted with a clearance, and the rubber ring and the positioning groove are fitted together.

[0014] Furthermore, the fixing assembly includes four drive rods, each of which is rotatably connected to the interior of four mounting slots via bearings. Each of the four drive rods has a screw extending into its side near the positioning ring. Each of the four screws has a linkage plate fixedly connected to its side near the positioning ring. Fixing holes are provided on the left and right sides of both positioning rings. Each of the four linkage plates has a fixing rod extending into its side away from the screw. Each of the two mounting rings has two sliding grooves inside its interior. Each of the four linkage plates has a sliding plate extending into its side near the drive rod.

[0015] Furthermore, the positioning groove is located between two mounting grooves on the same side, the fixing rod and the fixing hole are clearance-fitted, and the sliding plate and the sliding groove are slidably connected.

[0016] Furthermore, each of the four drive rods has a threaded hole on one side near the linkage plate, and the screw extends into the inside of the threaded hole and is threadedly connected to it.

[0017] Compared with the prior art, the present invention provides a non-woven fabric filter, which has the following beneficial effects:

[0018] 1. This non-woven fabric filter, through the action of the first and second non-woven fabric fiber rings, conveniently filters liquids, improves the filtration effect, and is easy to clean after clogging, thus improving the performance. At the same time, the cooperation between the positioning ring and the positioning groove conveniently restricts the filter layer, making it easy for operators to operate.

[0019] 2. This non-woven fabric filter conveniently restricts the mounting ring through the gap fit between the positioning rod and the positioning hole, and fixes the positioning ring through the gap fit between the fixing rod and the fixing hole, improving the stability of the positioning ring. At the same time, the threaded connection between the drive rod and the screw allows the fixing rod to be moved conveniently, making it easier for operators to operate and more convenient and practical. Attached Figure Description

[0020] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0022] Figure 3 This is a partially enlarged schematic diagram of the internal structure of the top mounting ring in this utility model.

[0023] In the figure: 1. Mounting ring, 2. Filter layer, 3. First non-woven fiber ring, 4. Second non-woven fiber ring, 5. Filter ring, 6. Positioning ring, 7. Positioning groove, 8. Rubber ring, 9. Positioning hole, 10. Positioning rod, 11. Fixing hole, 12. Fixing rod, 13. Linkage plate, 14. Screw, 15. Drive rod, 16. Mounting groove, 17. Sliding groove, 18. Sliding plate. Detailed Implementation

[0024] 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.

[0025] Please see Figures 1 to 3 A nonwoven filter in this embodiment includes two mounting rings 1, a filter ring 5 placed between the two mounting rings 1, two filter layers 2 placed between the two mounting rings 1, and a filter assembly for filtering liquids provided between the two mounting rings 1.

[0026] The filter assembly includes a first nonwoven fiber ring 3, which is fixedly connected between two filter layers 2. A second nonwoven fiber ring 4 is fixedly fitted on the outer peripheral wall of the filter ring 5. Positioning grooves 7 are opened on opposite sides of the two mounting rings 1. Positioning rings 6 are placed inside the two positioning grooves 7. The filter layer 2 and the first nonwoven fiber ring 3 are fixedly connected to the positioning rings 6.

[0027] Among them, the filter ring 5 is located inside the filter layer 2, and both mounting rings 1 are in contact with the filter ring 5. The positioning groove 7 is an annular groove, and the positioning ring 6 is in contact with the positioning groove 7.

[0028] Specifically, the filter ring 5 is placed between the two mounting rings 1, and the positioning ring 6 is inserted into the positioning groove 7 to restrict the filter layer 2. The liquid is filtered by the action of the first non-woven fiber ring 3 and the second non-woven fiber ring 4.

[0029] Please see Figures 1 to 3In this embodiment, a positioning component for positioning the filter ring 5 is provided between the two mounting rings 1. The positioning component includes four positioning rods 10. The four positioning rods 10 are fixedly connected to the top and bottom surfaces of the filter ring 5 in pairs. Two positioning holes 9 are opened on the opposite side of the two mounting rings 1. The positioning rods 10 extend into the interior of the positioning holes 9. Rubber rings 8 are fixedly connected to the inner peripheral walls of the two positioning rings 6. Two mounting grooves 16 are opened on the opposite side of the two mounting rings 1.

[0030] The positioning rod 10 and the positioning hole 9 are fitted with a clearance, and the rubber ring 8 and the positioning groove 7 are attached.

[0031] Specifically, the positioning ring 6 is inserted into the positioning groove 7, and the filter layer 2 is restricted by the fit between the rubber ring 8 and the positioning groove 7. The positioning rod 10 is inserted into the positioning hole 9, and the filter ring 5 is restricted between the two mounting rings 1 by the gap fit between the positioning rod 10 and the positioning hole 9.

[0032] Please see Figures 1 to 3 In this embodiment, a fixing assembly for fixing the positioning ring 6 is provided between the two mounting rings 1. The fixing assembly includes four drive rods 15. The four drive rods 15 are rotatably connected to the inside of the four mounting slots 16 through bearings. Each of the four drive rods 15 has a screw 14 extending into its side near the positioning ring 6. Each of the four screws 14 has a linkage plate 13 fixedly connected to its side near the positioning ring 6. Fixing holes 11 are provided on the left and right sides of the two positioning rings 6. Each of the four linkage plates 13 has a fixing rod 12 extending into the fixing hole 11 fixedly connected to its side away from the screw 14. Each of the two mounting rings 1 has two sliding grooves 17. Each of the four linkage plates 13 has a sliding plate 18 extending into the sliding groove 17 fixedly connected to its side near the drive rod 15.

[0033] The positioning groove 7 is located between two mounting grooves 16 on the same side, the fixing rod 12 and the fixing hole 11 are in clearance fit, the sliding plate 18 and the sliding groove 17 are slidably connected, and the four drive rods 15 are all provided with threaded holes on the side near the linkage plate 13. The screw 14 extends into the inside of the threaded hole and is threadedly connected to it.

[0034] Specifically, the fixing rod 12 and the fixing hole 11 are located on the same center line. By rotating the drive rod 15, the screw 14 is moved through the linkage plate 13 via the threaded connection between the drive rod 15 and the screw 14 and the sliding connection between the sliding plate 18 and the sliding groove 17, so that the fixing rod 12 is inserted into the fixing hole 11. The positioning ring 6 is fixed by the clearance fit between the fixing rod 12 and the fixing hole 11, and the filter layer 2 is fixed on the mounting ring 1.

[0035] The working principle of the above embodiments is as follows:

[0036] The filter ring 5 is placed between two mounting rings 1. The positioning rod 10 is inserted into the positioning hole 9. The filter ring 5 is restricted between the two mounting rings 1 through the gap fit between the positioning rod 10 and the positioning hole 9. The positioning ring 6 is inserted into the positioning groove 7. The filter layer 2 is restricted through the fit between the rubber ring 8 and the positioning groove 7. The fixing rod 12 and the fixing hole 11 are located on the same center line. The drive rod 15 is rotated. Through the threaded connection between the drive rod 15 and the screw 14 and the sliding connection between the sliding plate 18 and the sliding groove 17, the screw 14 drives the fixing rod 12 to move through the linkage plate 13. The fixing rod 12 is inserted into the fixing hole 11. The positioning ring 6 is fixed through the gap fit between the fixing rod 12 and the fixing hole 11. The filter layer 2 is fixed on the mounting ring 1. The liquid is filtered by the action of the first non-woven fiber ring 3 and the second non-woven fiber ring 4.

[0037] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0039] 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 nonwoven fabric filter, comprising two mounting rings (1), characterized in that: A filter ring (5) is placed between the two mounting rings (1), two filter layers (2) are placed between the two mounting rings (1), and a filter assembly for filtering liquid is provided between the two mounting rings (1). The filter assembly includes a first nonwoven fiber ring (3), which is fixedly connected between two filter layers (2). A second nonwoven fiber ring (4) is fixedly fitted on the outer peripheral wall of the filter ring (5). A positioning groove (7) is provided on one side opposite to the two mounting rings (1). A positioning ring (6) is placed inside the two positioning grooves (7). The filter layer (2) and the first nonwoven fiber ring (3) are both fixedly connected to the positioning ring (6). A positioning component for positioning the filter ring (5) is provided between the two mounting rings (1), and a fixing component for fixing the positioning ring (6) is provided between the two mounting rings (1).

2. A nonwoven filter according to claim 1, characterized in that: The filter ring (5) is located inside the filter layer (2), and both mounting rings (1) are attached to the filter ring (5).

3. A nonwoven filter according to claim 1, characterized in that: The positioning groove (7) is an annular groove, and the positioning ring (6) and the positioning groove (7) are fitted together.

4. A nonwoven filter according to claim 1, characterized in that: The positioning assembly includes four positioning rods (10), which are fixedly connected in pairs to the top and bottom surfaces of the filter ring (5). Two positioning holes (9) are provided on the opposite sides of the two mounting rings (1), and the positioning rods (10) extend into the interior of the positioning holes (9). Rubber rings (8) are fixedly connected to the inner circumferential walls of the two positioning rings (6), and two mounting grooves (16) are provided on the opposite sides of the two mounting rings (1).

5. A nonwoven filter according to claim 4, characterized in that: The positioning rod (10) and the positioning hole (9) are fitted with a clearance, and the rubber ring (8) and the positioning groove (7) are attached.

6. A nonwoven filter according to claim 4, characterized in that: The fixing assembly includes four drive rods (15), each of which is rotatably connected to the interior of four mounting slots (16) via bearings. Each of the four drive rods (15) has a screw (14) extending into its side near the positioning ring (6). Each of the four screws (14) has a linkage plate (13) fixedly connected to its side near the positioning ring (6). Each of the two positioning rings (6) has a fixing hole (11) on its left and right sides. Each of the four linkage plates (13) has a fixing rod (12) extending into its side near the screw (14). Each of the two mounting rings (1) has two sliding slots (17) inside its interior. Each of the four linkage plates (13) has a sliding plate (18) extending into its side near the drive rod (15).

7. A nonwoven fabric filter according to claim 6, characterized in that: The positioning groove (7) is located between two mounting grooves (16) on the same side, the fixing rod (12) and the fixing hole (11) are in clearance fit, and the sliding plate (18) and the sliding groove (17) are slidably connected.

8. A nonwoven filter according to claim 6, characterized in that: Each of the four drive rods (15) has a threaded hole on one side near the linkage plate (13), and the screw (14) extends into the threaded hole and is threadedly connected to it.

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