Cartridge type chemical filter

Abstract

The utility model relates to the technical field of filters, and discloses a cartridge type chemical filter which comprises a chemical filter chamber, a filter box is fixedly connected to the middle end of the chemical filter chamber, and a chemical filter layer is connected to the interior of the filter box through a sliding assembly and used for filtering harmful chemical substances in gas. A locking structure is arranged on the outer wall of the filter box, and the front end and the rear end of the locking structure are connected with the filter box through clamping assemblies so as to fix the chemical filter layer in the filter box; and one ends, which are separated from each other, of the two impurity filtering chambers are fixedly connected with flow guide covers, so that gas can circulate in the impurity filtering chambers. According to the cylinder type chemical filter, the chemical filter layer is drawn out from the interior of the filter box by drawing out the lock plate, so that the chemical filter layer is quickly replaced, the situation that the gas filtering efficiency is influenced due to the fact that the chemical filter layer is replaced too complex is avoided, and meanwhile the cylinder type chemical filter is simple in component structure and convenient to produce and manufacture.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a cartridge type chemical filter. Background Art

[0002] A cartridge chemical filter, also known as a filter cartridge, is a highly efficient gas filtration device. It typically consists of a metal housing with an inlet and an outlet. Fluid enters the cartridge filter through the inlet and passes through the filter medium—dry chemical media. Harmful chemicals, impurities, and particulate matter are trapped on the filter medium, while the filtered gas is discharged through the outlet.

[0003] When a cartridge chemical filter is used to filter gas, the chemical filter material needs to be replaced after a long period of filtration. However, the connection of the chemical filter material is too complicated, which is not conducive to its timely replacement, resulting in an impact on the subsequent filtration of the gas. In response to this technical problem, this application proposes a cartridge chemical filter. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art, and the proposed cartridge chemical filter can extract the chemical filter layer from the inside of the filter box by pulling out the locking plate, so as to realize quick replacement of the chemical filter layer and avoid that the replacement of the chemical filter layer is too complicated and affects the filtering efficiency of the gas. At the same time, the component structure of the cartridge chemical filter is simple, which is convenient for its production and manufacturing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a cartridge chemical filter, comprising:

[0006] A chemical filter chamber, wherein a filter box is fixedly connected to the middle end of the chemical filter chamber, and a chemical filter layer is connected to the inside of the filter box via a sliding component to filter harmful chemicals in the gas. The outer wall of the filter box is provided with a locking structure, and the front and rear ends of the locking structure are connected to the filter box via a snap assembly to fix the chemical filter layer inside the filter box;

[0007] Two impurity filter chambers are fixedly connected with a guide cover at one end away from each other to allow the gas to circulate inside the impurity filter chamber. The impurity filter chamber is connected to the chemical filter chamber through a connector to be used for installation between the impurity filter chamber and the chemical filter chamber.

[0008] Furthermore, the sliding assembly includes a slide groove located on the inner wall of the filter box, and a slide shaft is fixed to the outer wall of the chemical filter layer, and the slide shaft is arranged inside the slide groove.

[0009] Furthermore, the locking structure includes a locking shaft located on the outer wall of the filter box, the outer wall of the locking shaft is provided with a locking plate, and one side of the locking plate is provided on the other side of the chemical filter layer.

[0010] Furthermore, the locking assembly includes a clamping plate located on the outer wall of the filter box, the outer wall of the lock plate is fixedly connected to a clamping shaft, and one end of the clamping plate is arranged at the middle end of the clamping shaft.

[0011] Furthermore, the connector includes a sealing ring located on the inner wall of the chemical filter chamber, and the end of the impurity filter chamber facing the chemical filter chamber is fixedly connected with the plug-in ring, and the plug-in ring is arranged inside the sealing ring.

[0012] Furthermore, the inner walls of the two chemical filter chambers are fixedly connected with filter screens for filtering impurities and particles in the gas.

[0013] Furthermore, the outer wall of the impurity filter chamber and the outer wall of the chemical filter chamber are both provided with threads for installation between the chemical filter chamber and the impurity filter chamber.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the present invention, the chemical filter layer can be easily pulled out from the interior of the filter box by pulling out the lock plate, and then the aged chemical filter layer can be quickly replaced by plugging the slide shaft and the slide groove, thereby avoiding the excessive complexity of replacing the chemical filter layer and affecting the gas filtering efficiency.

[0016] 2. In the present invention, the processing of the cartridge chemical filter parts can be completed through simple processing procedures and steps, which is convenient for improving the efficiency of its production and assembly and saving manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the cartridge chemical filter proposed in the present invention;

[0018] Figure 2 for Figure 1 A magnified view of point A in the figure;

[0019] Figure 3 This is a schematic diagram of the internal structure of the chemical filter chamber of the cartridge chemical filter proposed in the present utility model;

[0020] Figure 4 for Figure 3 Enlarged view of point B in .

[0021] Legend:

[0022] 1. Chemical filter chamber; 2. Impurity filter chamber; 3. Flow guide cover; 4. Filter box; 5. Lock plate; 6. Clamp plate; 7. Clamp shaft; 8. Filter screen; 9. Insert ring; 10. Sealing ring; 11. Chemical filter layer; 12. Slide shaft; 13. Slide groove; 14. Lock shaft. DETAILED DESCRIPTION

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

[0024] Reference Figures 1-4 The present invention provides an embodiment of a cartridge chemical filter, comprising:

[0025] Chemical filter chamber 1, the middle end of the chemical filter chamber 1 is fixedly connected to a filter box 4, the inside of the filter box 4 is connected to the chemical filter layer 11 through the cooperation between the sliding shaft 12 and the sliding groove 13, so as to filter harmful chemicals in the gas, and the outer wall of the filter box 4 is provided with a locking plate 5, and the front and rear ends of the locking plate 5 are connected to the filter box 4 through the engagement between the clamping plate 6 and the clamping shaft 7, so as to fix the chemical filter layer 11 inside the filter box 4;

[0026] Two impurity filter chambers 2, each of which is fixedly connected to a flow guide hood 3 at one end thereof, so as to allow the gas to circulate inside the impurity filter chamber 2. The impurity filter chamber 2 is connected to the chemical filter chamber 1 through an insert ring 9 and a sealing ring 10, so as to be installed between the impurity filter chamber 2 and the chemical filter chamber 1. The outer wall of the impurity filter chamber 2 and the inner wall of the chemical filter chamber 1 are both provided with threads, so as to be installed between the chemical filter chamber 1 and the impurity filter chamber 2;

[0027] Specifically, the gas flowing into the interior of the cartridge filter is better guided by the flow guide hood 3 to flow through the impurity filter chamber 2, pass through the chemical filter chamber 1, and then flow out through the impurity filter chamber 2 on the lower side to complete the filtration of particulate impurities and harmful chemicals inside the gas. At the same time, the threads on the outer walls of the chemical filter chamber 1 and the impurity filter chamber 2 realize flexible and changeable combination unit modules, which can meet different working conditions and different on-site installation requirements. At the same time, the filter screen 8 on the impurity filter chamber 2 can be cleaned after the chemical filter chamber 1 and the impurity filter chamber 2 are disassembled. At the same time, the aging chemical filter layer 11 can be replaced in time through the engagement of the locking plate 5 between the filter box 4 and the chemical filter layer 11, thereby avoiding the inconvenience of replacing the chemical filter layer 11 and affecting the efficiency of gas filtration. In addition, the simple structure facilitates production through simple steps to save manpower and material resources.

[0028] Reference Figures 1-4 , located in the slide groove 13 on the inner wall of the filter box 4, the outer wall of the chemical filter layer 11 is fixed with a slide shaft 12, the slide shaft 12 is arranged inside the slide groove 13, the lock shaft 14 on the outer wall of the filter box 4, the outer wall of the lock shaft 14 is provided with a lock plate 5, one side of the lock plate 5 is arranged on the other side of the chemical filter layer 11, the card plate 6 on the outer wall of the filter box 4, the outer wall of the lock plate 5 is fixedly connected with the card shaft 7, one end of the card plate 6 is arranged in the middle end of the card shaft 7, the sealing ring 10 on the inner wall of the chemical filter chamber 1, the impurity filter chamber 2 is fixedly connected with an insert ring 9 at one end facing the chemical filter chamber 1, the insert ring 9 is arranged inside the sealing ring 10, the inner walls of the two chemical filter chambers 1 are fixedly connected with filter screens 8 to filter impurities and particles in the gas, the outer wall of the impurity filter chamber 2 and the inner wall of the chemical filter chamber 1 are provided with threads for installation between the chemical filter chamber 1 and the impurity filter chamber 2;

[0029] The locking plate 5 is fixed on the filter box 4 by the engagement between the locking plate 5 and the locking shaft 14, thereby achieving the fixing of the chemical filter layer 11 on the filter box 4 through the locking plate 5, thereby achieving the fixing of the chemical filter layer 11 on the filter box 4 through the locking plate 5, and at the same time, achieving the fixing of the chemical filter layer 11 on the filter box 4 through the engagement between the clamping plate 6 and the clamping shaft 7, thereby achieving the connection between the filter box 4 and the locking plate 5 more firmly. By rotating the clamping plate 6 and then pulling out the locking plate 5, the aged chemical filter layer 11 can be pulled out from the interior of the filter box 4, which is convenient for timely replacement of the aged chemical filter layer 11. At the same time, the engagement between the inserting ring 9 and the sealing ring 10 can not only help the positioning between the chemical filter chamber 1 and the impurity filter chamber 2, but also provide a better sealing for the connection between the chemical filter chamber 1 and the impurity filter chamber 2.

[0030] Working principle: First, the chemical filter layer 11 is accurately placed inside the filter box 4 through the insertion between the sliding shaft 12 and the sliding groove 13, and then the chemical filter layer 11 is fixed inside the filter box 4 through the engagement between the lock shaft 14 and the lock plate 5, and then the locking plate 6 and the card shaft 7 are engaged to achieve a more secure connection between the lock plate 5 and the filter box 4, and then the two chemical filter chambers 1 and the impurity filter chamber 2 are installed through the cooperation between the threads of the inner wall of the chemical filter chamber 1 and the outer wall of the impurity filter chamber 2. The gas is guided by the guide cover 3 through the filter mesh 8 inside the impurity filter chamber 2 to filter impurities, and then passes through the chemical filter layer 11 inside the chemical filter chamber 1 to filter the harmful chemicals therein, thereby filtering the gas.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Cartridge chemical filter, characterized in that, include: A chemical filter chamber (1) is provided, wherein a filter box (4) is fixedly connected to the middle end of the chemical filter chamber (1), a chemical filter layer (11) is connected to the inside of the filter box (4) via a sliding assembly, and is used to filter harmful chemicals in the gas, and a locking structure is provided on the outer wall of the filter box (4), and the front and rear ends of the locking structure are connected to the filter box (4) via a snap assembly, and are used to fix the chemical filter layer (11) inside the filter box (4); Two impurity filter chambers (2) are fixedly connected to a flow guide cover (3) at one end of each impurity filter chamber (2) to allow gas to circulate inside the impurity filter chamber (2). The impurity filter chamber (2) is connected to the chemical filter chamber (1) via a connector to facilitate installation between the impurity filter chamber (2) and the chemical filter chamber (1).

2. The cartridge chemical filter according to claim 1, characterized in that: The sliding assembly comprises a sliding groove (13) located on the inner wall of the filter box (4); a sliding shaft (12) is fixed to the outer wall of the chemical filter layer (11); and the sliding shaft (12) is arranged inside the sliding groove (13).

3. The cartridge chemical filter according to claim 1, characterized in that: The locking structure comprises a locking shaft (14) located on the outer wall of the filter box (4), a locking plate (5) is provided on the outer wall of the locking shaft (14), and one side of the locking plate (5) is provided on the other side of the chemical filter layer (11).

4. The cartridge chemical filter according to claim 3, characterized in that: The clamping assembly comprises a clamping plate (6) located on the outer wall of the filter box (4); the outer wall of the lock plate (5) is fixedly connected to a clamping shaft (7); one end of the clamping plate (6) is arranged at the middle end of the clamping shaft (7).

5. The cartridge chemical filter according to claim 1, characterized in that: The plug-in connector comprises a sealing ring (10) located on the inner wall of the chemical filter chamber (1); an insert ring (9) is fixedly connected to one end of the impurity filter chamber (2) facing the chemical filter chamber (1); and the insert ring (9) is arranged inside the sealing ring (10).

6. The cartridge chemical filter according to claim 1, characterized in that: The inner walls of the two chemical filter chambers (1) are both fixedly connected with filter screens (8) for filtering impurities and particles in the gas.

7. The cartridge chemical filter according to claim 1, characterized in that: The outer wall of the impurity filter chamber (2) and the inner wall of the chemical filter chamber (1) are both provided with threads for installation between the chemical filter chamber (1) and the impurity filter chamber (2).

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