Plate filter with filter material easy to replace

Abstract

The utility model discloses a plate filter with a filter material easy to replace, which relates to the technical field of plate filters and comprises a filter frame, a positioning partition plate is inserted into the filter frame, and an easy-to-disassemble filter mechanism is fixedly sleeved on the positioning partition plate. Meanwhile, due to the thickness problem of the filter element and the problem that a clamping gap is easy to generate between an inner frame and an outer frame, the filter frame, the positioning partition plate and the double-plate type filter screen are correspondingly arranged, so that one filter screen of the double-plate type filter screen can complete double-pass filtering, and meanwhile, the positioning partition plate and the easy-to-disassemble type filter mechanism are arranged at the upper end of the filter frame in a matched manner; the double-plate type filter screen is fixed through the positioning insertion rod and the connecting frame, one-time dismounting of the positioning partition plate and the easily-dismounted type filter mechanism can be achieved, the thickness of the double-plate type filter screen cannot affect the filtering effect through the arrangement of the elastic pressing plate assembly in the easily-dismounted type filter mechanism, and formation of filtering gaps is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plate filters, in particular to a plate filter with easily replaceable filter material. Background Art

[0002] Air filters are used to filter dust in the air, thereby changing the air quality of the space and improving the air cleanliness. Therefore, they are widely used in industries with high requirements for the environment, such as electronics, semiconductors, precision manufacturing, biopharmaceuticals, medical care, and food. In particular, air filters are often needed in clean air conditioning air supply systems.

[0003] The plate filter with publication number CN220558821U comprises an outer frame, an inner frame, a filter element and a fixing assembly, wherein a first end of the outer frame extends inwardly to form a first skirt, a second end of the outer frame extends outwardly to form a second skirt, the inner frame is embedded in the outer frame, and one end of the inner frame close to the second skirt extends inwardly to form a third skirt, the filter element is limited between the first skirt and the third skirt, a plurality of fixing assemblies are evenly distributed on the second skirt, and the plurality of fixing assemblies are used to limit the inner frame from being separated from the outer frame, and the outer frame is detachably connected to the filter mounting frame. Therefore, the plate filter can be removed from the filter mounting frame by adjusting the fixing assembly, and only the filter element needs to be replaced, and the inner frame and the outer frame can be reused, thereby reducing the cost. However, this filter is mainly connected by rotating the fixing assembly, and the stability of the connection is not high, which makes the filter element and the inner frame easy to fall off. At the same time, due to the thickness problem, a clamping gap is easily generated between the filter element and the inner and outer frames, which affects the filtering effect.

[0004] In view of the above problems, a plate filter with easily replaceable filter material is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a plate filter with easily replaceable filter material, which solves the problem that the existing filters in the background technology are mainly connected by the rotation of a fixed component, the connection stability is not high, and the filter element and the inner frame are easy to fall off. At the same time, due to the thickness problem, the filter element is easy to produce a clamping gap between the inner and outer frames, which affects the filtering effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plate filter with easily replaceable filter material, comprising a filter frame, a positioning partition is inserted into the filter frame, an easily detachable filter mechanism is sleeved and fixed on the positioning partition, the filter frame comprises a ventilation frame, the ventilation frame is divided into two left and right parts corresponding to the air supply box and the air delivery box, the positioning partition comprises a plug plate inserted into the ventilation frame, a positioning frame connected to the plug plate, the easily detachable filter mechanism comprises a double-plate filter screen arranged on the positioning frame, an elastic pressure plate assembly for elastically pressing the double-plate filter screen from the upper end, the upper end of the elastic pressure plate assembly is movably connected to a sealing outer cover assembly, a connecting frame is rotatably arranged around the sealing outer cover assembly, a positioning plug rod is inserted into the connecting frame, and four groups of the connecting frame and the positioning plug rod are arranged.

[0007] Preferably, the filter frame further comprises an air supply pipe connected to both ends of the ventilation frame, a first positioning socket is provided around the air supply pipe, and a sun-shaped slot is provided at the upper end of the ventilation frame.

[0008] Preferably, the lower end of the plug board is arranged as an oblique opening, and a second positioning socket is provided on the plug board at a plugging position corresponding to the first positioning socket.

[0009] Preferably, a shelf platform is provided inside the positioning frame, a filter positioning block is provided at the upper end of the shelf platform, and a filter positioning groove is provided at the lower end of the double-plate filter corresponding to the filter positioning block.

[0010] Preferably, a sealing frame is provided at the upper end of the sealing outer cover assembly, and nine groups of sealing frames are provided. The sealing outer cover assembly is provided with air holes at positions corresponding to the lower ends of the sealing frames, and one group of sealing frames is provided with four groups of air holes.

[0011] Preferably, the elastic pressure plate assembly includes a sun-shaped pressure plate, a buffer member connected to the upper end of the sun-shaped pressure plate, and the buffer member is inserted into the sealing outer cover assembly.

[0012] Preferably, nine groups of the buffer members are arranged corresponding to the sealing frames.

[0013] Preferably, the buffer member comprises a spring connected to the sun-shaped pressure plate, a limiting rod sleeved inside the spring, and the upper end of the limiting rod is sleeved in the sealing frame.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a plate filter with easily replaceable filter material. Through the corresponding arrangement of the filter frame, the positioning partition and the double-plate filter, air can enter the upper end of the double-plate filter from the air supply box, and be transported to the air supply box from the upper end of the double-plate filter, so that one filter of the double-plate filter can complete double-pass filtration. At the same time, the positioning partition and the easily detachable filter mechanism are arranged at the upper end of the filter frame and fixed by the positioning plug rod and the connecting frame, so that the positioning partition and the easily detachable filter mechanism can be removed at one time, which solves the problem that the existing filter is mainly connected by the rotation of the fixing component, the connection stability is not high, and the filter element and the inner frame are easy to fall off.

[0016] 2. The utility model provides a plate filter with easily replaceable filter material. By setting an elastic pressure plate assembly in an easily detachable filter mechanism, the thickness of the double-plate filter screen will not affect the filtering effect, thus avoiding the formation of filtering gaps. This solves the problem that the existing filter element is prone to clamping gaps between the inner and outer frames due to thickness problems, thus affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the split structure of the filter frame and the positioning partition of the utility model;

[0019] Figure 3 The structure diagram of the easily detachable filter mechanism of the utility model is shown in FIG. Figure 1 ;

[0020] Figure 4 The structure diagram of the easily detachable filter mechanism of the utility model is shown in FIG. Figure 2 ;

[0021] Figure 5 It is a schematic diagram of the dissected structure of the easily detachable filtering mechanism of the utility model.

[0022] In the figure: 1. filter frame; 11. ventilation frame; 111. air supply box; 112. air delivery box; 12. air delivery duct; 13. first positioning socket; 14. sun-shaped slot; 2. positioning partition; 21. plug-in plate; 211. oblique opening; 212. second positioning socket; 22. positioning frame; 221. shelf platform; 222. filter positioning block; 3. easily detachable filtering mechanism; 31. double-plate filter; 311. filter positioning slot; 32. sealing outer cover assembly; 321. sealing frame; 322. air hole; 33. connecting frame; 34. elastic pressure plate assembly; 341. sun-shaped pressure plate; 342. buffer; 3421. spring; 3422. limit rod; 35. positioning plug rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0025] Combination Figure 1 The utility model is a plate filter with easily replaceable filter material, comprising a filter frame 1, a positioning partition 2 is inserted into the filter frame 1, an easily detachable filter mechanism 3 is sleeved and fixed on the positioning partition 2, the filter frame 1 comprises a ventilation frame 11, the ventilation frame 11 is divided into two left and right parts corresponding to the air supply box 111 and the air delivery box 112, the positioning partition 2 comprises a plug plate 21 inserted into the ventilation frame 11, a positioning frame 22 connected to the plug plate 21, the easily detachable filter mechanism 3 comprises a double-plate filter screen 31 arranged in engagement with the positioning frame 22, an elastic pressure plate assembly 34 for elastically pressing the double-plate filter screen 31 from the upper end, the upper end of the elastic pressure plate assembly 34 is movably connected to the sealing outer cover assembly 32, a connecting frame 33 is rotatably arranged around the sealing outer cover assembly 32, a positioning plug rod 35 is plugged into the connecting frame 33, and four groups of the connecting frame 33 and the positioning plug rod 35 are arranged.

[0026] Specifically, the upper ends of the air supply box 111 and the air delivery box 112 in the ventilation frame 11 are respectively arranged on both sides of the double-plate filter 31, the plug plate 21 is inserted into the ventilation frame 11 for positioning, and the positioning frame 22 limits the insertion position of the positioning partition 2, and the double-plate filter 31 is placed on the upper end of the positioning frame 22, and the outer end of the sealing outer cover assembly 32 corresponds to the outer side height of the plug plate 21 to achieve sealing, and the elastic pressure plate assembly 34 sleeved at the lower end of the sealing outer cover assembly 32 squeezes the double-plate filter 31, so that air can enter the double-plate filter 31 from the air supply box 111 The double-plate filter 31 is positioned at the upper end and transported from the upper end of the double-plate filter 31 to the air delivery box 112, so that the double-plate filter 31 can complete double-pass filtration. At the same time, the positioning partition 2 and the easily detachable filter mechanism 3 are arranged at the upper end of the filter frame 1 and fixed by the positioning rod 35 and the connecting frame 33, so as to realize the one-time removal of the positioning partition 2 and the easily detachable filter mechanism 3. At the same time, the elastic setting of the elastic pressure plate assembly 34 ensures that the thickness of the double-plate filter 31 will not affect the filtering effect, thereby avoiding the formation of filtering gaps.

[0027] The utility model is further described below in conjunction with embodiments.

[0028] Embodiment 1:

[0029] Combination Figure 2 and Figure 3 The filter frame 1 also includes an air supply pipe 12 connected to both ends of the ventilation frame 11. The air supply pipe 12 is provided with a first positioning socket 13 around it. The upper end of the ventilation frame 11 is provided with a sun-shaped slot 14. The air supply pipe 12 is connected to an external air duct. The first positioning socket 13 positions the positioning plug rod 35. The sun-shaped slot 14 and the plug plate 21 are matched with each other to complete the plug-in.

[0030] The lower end of the plug plate 21 is set as an oblique opening 211, and a second positioning socket 212 is opened on the plug plate 21 at the plug-in position corresponding to the first positioning socket 13. The setting of the oblique opening 211 facilitates the insertion of the plug plate 21 into the sun-shaped slot 14. The second positioning socket 212 corresponds to the position of the first positioning socket 13. The positioning rod 35 is inserted therein to realize the closed fixation of the filter. At the same time, after removing the positioning rod 35, the positioning partition 2 and the easily detachable filtering mechanism 3 can be taken out upward.

[0031] A placing platform 221 is provided inside the positioning frame 22, and a filter positioning block 222 is provided at the upper end of the placing platform 221. A filter positioning groove 311 is provided at the lower end of the double-plate filter 31 corresponding to the filter positioning block 222. The double-plate filter 31 is placed on the placing platform 221, and the filter positioning block 222 positions the double-plate filter 31 by engaging the filter positioning groove 311.

[0032] Embodiment 2:

[0033] Combination Figure 3-Figure 5 A sealing frame 321 is provided at the upper end of the sealing outer cover assembly 32, and nine groups of sealing frames 321 are provided. Air holes 322 are opened at the position of the sealing outer cover assembly 32 corresponding to the lower end of the sealing frame 321. One group of sealing frames 321 corresponds to four groups of air holes 322. When the elastic pressure plate assembly 34 elastically moves upward, the air in the sealing frame 321 is discharged through the air holes 322. The exhaust setting of the air holes 322 facilitates the elastic control of the elastic pressure plate assembly 34. The outer side of the sealing frame 321 is closed to ensure the internal sealing effect of the air filter.

[0034] The elastic pressure plate assembly 34 includes a sun-shaped pressure plate 341 and a buffer member 342 connected to the upper end of the sun-shaped pressure plate 341 . The buffer member 342 is inserted into the sealing outer cover assembly 32 , and the buffer member 342 provides an elastic squeezing force for the sun-shaped pressure plate 341 .

[0035] Nine groups of buffer members 342 are provided corresponding to the sealing frame 321 . The nine groups of buffer members 342 match the sun-shaped pressing plate 341 . Three groups of buffer members 342 are provided on each horizontal bar to balance the elastic force.

[0036] The buffer member 342 includes a spring 3421 connected to the day-shaped pressure plate 341, a limiting rod 3422 sleeved inside the spring 3421, the upper end of the limiting rod 3422 is limitedly sleeved in the sealing frame 321, the spring 3421 provides elastic force, and the limiting rod 3422 moves in the sealing frame 321 to help the day-shaped pressure plate 341 to fix the double-plate filter 31.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plate filter with easily replaceable filter material, comprising a filter frame (1), characterized in that: A positioning partition (2) is inserted into the filter frame (1), and a detachable filtering mechanism (3) is sleeved and fixed on the positioning partition (2); The filter frame (1) comprises a ventilation frame (11), the ventilation frame (11) being divided into two left and right parts corresponding to an air supply box (111) and an air delivery box (112); the positioning partition plate (2) comprising a plug plate (21) inserted into the ventilation frame (11), and a positioning frame (22) connected to the plug plate (21); the easily detachable filtering mechanism (3) comprising a double-plate filter (31) engaged with the positioning frame (22), and an elastic pressure plate assembly (34) for elastically pressing the double-plate filter (31) from the upper end; the upper end of the elastic pressure plate assembly (34) is movably connected to a sealing outer cover assembly (32); a connecting frame (33) is rotatably arranged around the sealing outer cover assembly (32); a positioning plug rod (35) is plugged into the connecting frame (33); and four groups of the connecting frame (33) and the positioning plug rod (35) are arranged.

2. The plate filter with easily replaceable filter material according to claim 1, characterized in that: The filter frame (1) further comprises an air supply pipe (12) connected to both ends of the ventilation frame (11); a first positioning socket (13) is provided around the air supply pipe (12); and a sun-shaped slot (14) is provided at the upper end of the ventilation frame (11).

3. The plate filter with easily replaceable filter material according to claim 1, characterized in that: The lower end of the plug board (21) is provided with an oblique opening (211), and a second positioning socket (212) is provided on the plug board (21) at a plugging position corresponding to the first positioning socket (13).

4. The plate filter with easily replaceable filter material according to claim 1, characterized in that: A shelf platform (221) is provided inside the positioning frame (22), a filter screen positioning block (222) is provided at the upper end of the shelf platform (221), and a filter screen positioning groove (311) is provided at the lower end of the double-plate filter screen (31) corresponding to the filter screen positioning block (222).

5. The plate filter with easily replaceable filter material according to claim 1, characterized in that: A sealing frame (321) is provided at the upper end of the sealing outer cover assembly (32), and the sealing frame (321) is provided with nine groups. The sealing outer cover assembly (32) is provided with air holes (322) at positions corresponding to the lower ends of the sealing frames (321), and one group of the sealing frames (321) is provided with four groups of air holes (322) correspondingly.

6. The plate filter with easily replaceable filter material according to claim 5, characterized in that: The elastic pressure plate assembly (34) comprises a sun-shaped pressure plate (341) and a buffer member (342) connected to the upper end of the sun-shaped pressure plate (341), wherein the buffer member (342) is inserted into the sealing outer cover assembly (32).

7. The plate filter with easily replaceable filter material according to claim 6, characterized in that: The buffer members (342) are provided in nine groups corresponding to the sealing frames (321).

8. The plate filter with easily replaceable filter material according to claim 6, characterized in that: The buffer member (342) comprises a spring (3421) connected to the sun-shaped pressure plate (341), a limiting rod (3422) sleeved inside the spring (3421), and an upper end of the limiting rod (3422) is sleeved inside the sealing frame (321).

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