PP filter convenient to disassemble and assemble

Abstract

The utility model relates to the technical field of filters, in particular to a PP filter convenient to disassemble and assemble, which comprises a mounting plate filter outer cylinder and a cylinder cover covering the upper end of the filter outer cylinder, and the lower end surface of the cylinder cover in the inner wall of the filter outer cylinder is connected with a filter component. When the PP filter element needs to be disassembled and assembled, the positioning bolt is rotated outwards to enable the lower end of the positioning bolt to leave the sliding block, the insertion rod is pulled outwards to be inserted into the filter outer barrel, the barrel cover is lifted upwards, then the filter barrel is rotated, the filter barrel drives the sliding block to rotate along the annular groove, and when the sliding block is rotated to be located at the same end with the mounting groove, the filter barrel is pulled downwards; the sliding block is pulled out of the mounting groove, so that the filter cartridge is separated from the mounting disc, the filter cartridge is inverted downwards, and the PP filter element slides out of the filter element placing groove, so that the disassembly and assembly of the PP filter element can be completed, and the problem that the PP filter element is inconvenient to replace regularly is solved.

Description

Technical Field

[0001] This utility model relates to the field of filter technology, and in particular to a PP filter that is easy to install and disassemble. Background Technology

[0002] PP filters are a type of cartridge filter. PP filters use PP filter cartridges, also known as PP melt-blown filter cartridges. Melt-blown filter cartridges are made of polypropylene ultrafine fibers that are thermally entangled. The fibers randomly form a three-dimensional microporous structure in space, with the pore size gradient distributed along the filtrate flow direction. This integrates surface, deep, and fine filtration, effectively trapping impurities of different particle sizes. The filter cartridge's filtration accuracy ranges from 0.5 to 100 μm, and its throughput is more than 1.5 times that of a peak-cell filter cartridge with equivalent accuracy. Different types of end cap connectors can be configured to meet the needs of various engineering installations.

[0003] In most existing PP filters, the PP filter element is integrated with the filter assembly, making it inconvenient to disassemble and assemble the filter assembly and to replace the PP filter element regularly, which seriously affects the performance of the PP filter. Utility Model Content

[0004] In order to overcome the defects of the prior art mentioned above, the inventors conducted in-depth research and, after a great deal of creative work, completed this utility model.

[0005] Specifically, the technical problem to be solved by this utility model is to provide a PP filter that is easy to disassemble and assemble, so as to solve the problem that in existing PP filters, most PP filter elements are integrated with the filter assembly, which makes it inconvenient to disassemble and assemble the filter assembly and to replace the PP filter element regularly, which seriously affects the performance of the PP filter.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0007] A PP filter that is easy to assemble and disassemble includes a mounting plate filter outer cylinder and a cover on the upper end of the filter outer cylinder. The lower end face of the cover located in the inner wall of the filter outer cylinder is connected to a filter assembly. Two sets of symmetrical connecting assemblies are connected to both ends of the outer wall of the filter outer cylinder. A water inlet is connected to the middle of the upper end of the cover, and a water outlet valve is connected to the lower end of the outer wall of the filter outer cylinder. The filter assembly includes a mounting plate fixed to the lower end of the cover. A filter cylinder is inserted into the inner wall of the mounting plate located in the lower end of the cover. An annular groove is formed in the inner cavity of the mounting plate. Two sets of symmetrical mounting grooves are formed on the lower end face of the mounting plate. Two sets of symmetrical sliding blocks are fixed to the outer wall of the filter cylinder. A filter element placement groove is formed between the inner wall and the outer wall of the filter cylinder, and a PP filter element is inserted into the filter element placement groove.

[0008] As an improved technical solution, the filter cartridge is movably inserted into the middle of the mounting plate, and the outer wall of the filter cartridge is in contact with the inner wall of the mounting plate.

[0009] As an improved technical solution, the inner and outer walls of the filter cylinder are uniformly perforated with several sets of filter holes.

[0010] As an improved technical solution, the sliding block can be movably inserted into the annular groove along the mounting groove, and the sliding block can slide along the inner wall of the annular groove.

[0011] As an improved technical solution, two sets of mutually symmetrical blocks are fixedly provided in the annular groove, and the blocks and the sliding block abut against each other.

[0012] As an improved technical solution, the connecting assembly includes a sleeve fixedly disposed on the outer wall of the filter outer cylinder, a rod movably inserted into the middle end of the sleeve, a fixed sleeve fixedly sleeved on the outer wall of the rod within the inner cavity of the sleeve, the fixed sleeve movably inserted into the inner cavity of the sleeve, a spring movably sleeved on the outer wall of the rod within the inner cavity of the sleeve, the front and rear ends of the spring being fixedly connected to the fixed sleeve and the sleeve respectively, the rod movably passing through the outer wall of the filter outer cylinder, and an insertion hole that mates with the rod being opened on the outer wall of the filter outer cylinder.

[0013] As an improved technical solution, the upper end face of the filter outer cylinder is threaded with two sets of symmetrical positioning bolts. The lower ends of the positioning bolts pass through the mounting plate and the sliding block from top to bottom. The lower ends of the positioning bolts are movably inserted into the sliding block. The inner wall of the sliding block has a positioning hole that matches the positioning bolts.

[0014] As an improved technical solution, the protective plate is tilted from top to bottom in a direction away from the connecting seat.

[0015] After adopting the above technical solution, the beneficial effects of this utility model are:

[0016] 1. In this utility model, when it is necessary to disassemble or assemble the PP filter element, rotate the positioning bolt outward so that its lower end is away from the sliding block, pull the insertion rod outward so that it is inserted into the outer cylinder of the filter, lift the cylinder cover upward, and then rotate the filter cylinder. The filter cylinder drives the sliding block to rotate along the annular groove. When the sliding block rotates to the same end as the mounting groove, pull the filter cylinder downward, and the sliding block is pulled out of the mounting groove, so that the filter cylinder and the mounting plate are separated. Invert the filter cylinder downward, and the PP filter element slides out from the filter element placement groove, thus completing the disassembly and assembly of the PP filter element, solving the problem of the inconvenience of regularly replacing the PP filter element.

[0017] 2. In this utility model, sewage is introduced into the outer cylinder of the filter through the inlet. The sewage first passes through the filter cylinder for filtration. The filter holes opened on the inner and outer walls of the filter cylinder isolate larger impurities in the sewage. The impurities in the sewage accumulate in the middle of the filter cylinder. The filter cylinder can be disassembled later to clean the impurities. The sewage first passes through the filter cylinder to filter out larger impurities, avoiding excessive impurities adhering to the PP filter element and causing blockage of the PP filter element. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the PP filter of this utility model that is easy to assemble and disassemble.

[0020] Figure 2 This is a three-dimensional cross-sectional view of the PP filter of this utility model, which is easy to assemble and disassemble.

[0021] Figure 3 This is a cross-sectional three-dimensional structural diagram of the filter component of the PP filter of this utility model, which is easy to assemble and disassemble.

[0022] Figure 4 This is a three-dimensional cross-sectional view of the mounting plate of the PP filter of this utility model, which is easy to assemble and disassemble.

[0023] Figure 5 This is a three-dimensional structural diagram of the filter cartridge of the PP filter of this utility model, which is easy to disassemble and assemble.

[0024] Figure 6 This is a three-dimensional cross-sectional view of the connection component of the PP filter of this utility model, which is easy to assemble and disassemble.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Filter outer cylinder; 2. Cylinder cover; 3. Filter assembly; 31. Mounting plate; 32. Filter cylinder; 33. Annular groove; 34. Mounting groove; 35. Sliding block; 36. Stop block; 37. Filter element placement groove; 38. PP filter element; 39. Filter hole; 4. Connecting assembly; 41. Sleeve; 42. Insert rod; 43. Fixing sleeve; 44. Spring; 5. Positioning bolt; 6. Inlet; 7. Outlet valve. Detailed Implementation

[0027] 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.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0030] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0031] like Figure 1 and Figure 6 As shown in the figure, this embodiment provides a PP filter that is easy to assemble and disassemble, including a filter outer cylinder 1 with a mounting plate and a cylinder cover 2 covering the upper end of the filter outer cylinder 1. The lower end face of the cylinder cover 2 located in the inner wall of the filter outer cylinder 1 is connected to a filter assembly 3. Two sets of symmetrical connecting assemblies 4 are connected to both ends of the outer wall of the filter outer cylinder 1. A water inlet 6 is connected to the middle of the upper end of the cylinder cover 2, and a water outlet valve 7 is connected to the lower end of the outer wall of the filter outer cylinder 1. The filter assembly 3 includes a mounting plate 31 fixedly installed at the lower end of the cylinder cover 2. A filter cylinder 32 is inserted into the inner wall of the mounting plate 31 located at the lower end of the cylinder cover 2. An annular groove 33 is opened in the inner cavity of the mounting plate 31. Two sets of symmetrical mounting grooves 34 are opened on the lower end face of the mounting plate 31. Two sets of symmetrical sliding blocks 35 are fixedly installed on the outer wall of the filter cylinder 32. A filter element placement groove 37 is opened between the inner wall and the outer wall of the filter cylinder 32. A PP filter element 38 is inserted into the filter element placement groove 37.

[0032] The filter cartridge 32 is movably inserted into the middle of the mounting plate 31, and the outer wall of the filter cartridge 32 is in contact with the inner wall of the mounting plate 31.

[0033] The filter cylinder 32 has several sets of filter holes 39 evenly distributed throughout its inner and outer walls.

[0034] The sliding block 35 can be movably inserted into the annular groove 33 along the mounting groove 34, and the sliding block 35 can slide along the inner wall of the annular groove 33.

[0035] Two sets of mutually symmetrical stop blocks 36 are fixedly provided in the annular groove 33, and the stop blocks 36 and the sliding block 35 abut against each other.

[0036] The PP filter element 38 is movably inserted into the filter element placement groove 37.

[0037] The connecting assembly 4 includes a sleeve 41 fixedly disposed on the outer wall of the filter outer cylinder 1. A rod 42 is movably inserted into the middle of the sleeve 41. A fixing sleeve 43 is fixedly sleeved on the outer wall of the rod 42 in the inner cavity of the sleeve 41. The fixing sleeve 43 is movably inserted into the inner cavity of the sleeve 41. A spring 44 is movably sleeved on the outer wall of the rod 42 in the inner cavity of the sleeve 41. The front and rear ends of the spring 44 are fixedly connected to the fixing sleeve 43 and the sleeve 41, respectively. The rod 42 moves through the outer wall of the filter outer cylinder 1. The outer wall of the filter outer cylinder 1 has a hole that mates with the rod 42.

[0038] Two sets of symmetrical positioning bolts 5 are threaded into the upper end face of the filter outer cylinder 1. The lower ends of the positioning bolts 5 pass through the mounting plate 31 and the sliding block 35 from top to bottom. The lower ends of the positioning bolts 5 are movably inserted into the sliding block 35. The middle of the inner wall of the sliding block 35 is provided with a positioning hole that matches the positioning bolts 5.

[0039] When the PP filter element 38 needs to be replaced, rotate the positioning bolt 5 outward so that the lower end of the positioning bolt 5 is away from the positioning hole in the middle of the inner wall of the sliding block 35. Pull the insertion rod 42 outward so that it is away from the insertion hole in the outer wall of the filter outer cylinder 1. Lift the cylinder cover 2 upward, and then rotate the filter cylinder 32 along the inner wall of the mounting plate 31. The filter cylinder 32 drives the sliding block 35 to rotate along the annular groove 33. When the sliding block 35 rotates to the same end as the mounting groove 34, pull the filter cylinder 32 downward. The sliding block 35 is pulled out of the mounting groove 34, separating the filter cylinder 32 from the mounting plate 31. Invert the filter cylinder downward. The filter cartridge 32 and PP filter element 38 slide out of the filter element placement groove 37, thus completing the installation and removal of the PP filter element 38. Insert the replacement PP filter element 38 into the filter element placement groove 37, align the sliding block 35 with the mounting groove 34 and insert it into the annular groove 33. Rotate the filter cartridge 32 clockwise until the sliding block 35 and the stop block 36 contact and can no longer rotate. At this time, the filter assembly 3 is installed on the lower end face of the cartridge cover 2. Pull the insertion rod 42 to both sides. During the process of pulling the insertion rod 42, the fixing sleeve 43 slides along the sleeve 41 and compresses the spring 44. Then, put the cartridge cover 2 on the upper end of the filter outer cylinder 1, so that the filter outer cylinder 1... Align the insertion hole on the outer wall with the insertion rod 42, release the insertion rod 42, and under the reverse elastic force of the spring 44, the insertion rod 42 inserts into the insertion hole, completing the locking of the filter outer cylinder 1 and the cylinder cover 2. At this time, screw in the positioning bolt 5 again. The lower end of the positioning bolt 5 inserts into the positioning hole in the middle of the sliding block 35, completing the locking of the sliding block 35. The above operation facilitates the disassembly, assembly, and replacement of the PP filter element 38. In most existing PP filters, the filter outer cylinder 1 is integrated with the filter assembly 3, which makes it inconvenient to replace the PP filter element 38 periodically. When the device is needed, wastewater can be passed through... The inlet 6 leads into the outer cylinder 1 of the filter. The sewage first passes through the filter cylinder 32 for filtration. The filter holes 39 on the inner and outer walls of the filter cylinder 32 isolate larger impurities in the sewage. The impurities in the sewage accumulate in the middle of the filter cylinder 32. The filter cylinder 32 can be disassembled later to clean the impurities. Then the sewage passes through the PP filter element 38 for filtration. The filtered sewage flows out through the filter holes 39 on the outer wall of the filter cylinder 32. Finally, the outlet valve 7 is opened to discharge the filtered sewage. The sewage first passes through the filter cylinder 32 to filter out larger impurities, which prevents too many impurities from adhering to the PP filter element 38 and causing it to become clogged.

[0040] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A PP filter that is easy to assemble and disassemble, comprising a mounting plate filter outer cylinder (1) and a cylinder cover (2) covering the upper end of the filter outer cylinder (1), characterized in that: The cover (2) is connected to the filter assembly (3) on the lower end face of the inner wall of the filter outer cylinder (1). The outer walls of the filter outer cylinder (1) are connected to two sets of symmetrical connecting assemblies (4). The upper middle part of the cover (2) is connected to the water inlet (6). The lower outer wall of the filter outer cylinder (1) is connected to the water outlet valve (7). The filter assembly (3) includes a mounting plate (31) fixedly installed at the lower end of the cover (2). The mounting plate (31) is located on the inner wall of the lower end of the cover (2) and a filter cylinder (32) is inserted therein. The inner cavity of the mounting plate (31) is provided with an annular groove (33). The lower end face of the mounting plate (31) is provided with two sets of symmetrical mounting grooves (34). The outer wall of the filter cylinder (32) is fixedly provided with two sets of symmetrical sliding blocks (35). The inner wall and outer wall of the filter cylinder (32) are provided with a filter element placement groove (37). A PP filter element (38) is inserted inside the filter element placement groove (37).

2. The easily detachable PP filter according to claim 1, characterized in that: The filter cartridge (32) is movably inserted into the middle of the mounting plate (31), and the outer wall of the filter cartridge (32) is in contact with the inner wall of the mounting plate (31).

3. The easily detachable PP filter according to claim 1, characterized in that: The filter cylinder (32) has several sets of filter holes (39) evenly distributed through its inner and outer walls.

4. The easily detachable PP filter according to claim 1, characterized in that: The sliding block (35) can be movably inserted into the annular groove (33) along the mounting groove (34), and the sliding block (35) can slide along the inner wall of the annular groove (33).

5. The easily detachable PP filter according to claim 1, characterized in that: Two sets of mutually symmetrical stop blocks (36) are fixedly provided in the annular groove (33), and the stop blocks (36) and the sliding block (35) abut against each other.

6. The easily detachable PP filter according to claim 1, characterized in that: The PP filter element (38) is movably inserted into the filter element placement groove (37).

7. The easily detachable PP filter according to claim 1, characterized in that: The connecting assembly (4) includes a sleeve (41) fixedly disposed on the outer wall of the filter outer cylinder (1). A rod (42) is movably inserted into the middle end of the sleeve (41). A fixed sleeve (43) is fixedly disposed on the outer wall of the rod (42) in the inner cavity of the sleeve (41). The fixed sleeve (43) is movably inserted into the inner cavity of the sleeve (41). A spring (44) is movably disposed on the outer wall of the rod (42) in the inner cavity of the sleeve (41). The front and rear ends of the spring (44) are fixedly connected to the fixed sleeve (43) and the sleeve (41) respectively. The rod (42) movably passes through the outer wall of the filter outer cylinder (1). The outer wall of the filter outer cylinder (1) has a hole that matches the rod (42).

8. The easily detachable PP filter according to claim 1, characterized in that: The upper end face of the filter outer cylinder (1) is threaded with two sets of symmetrical positioning bolts (5). The lower end of the positioning bolts (5) passes through the mounting plate (31) and the sliding block (35) from top to bottom. The lower end of the positioning bolts (5) is movably inserted into the sliding block (35). The middle of the inner wall of the sliding block (35) is provided with a positioning hole that matches the positioning bolts (5).

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