Filtering device with standby filtering structure

Abstract

The utility model provides a filtering device with a spare filtering structure, which comprises a sealing connecting seat and a through-flow pipe, the inner side of the sealing connecting seat is provided with a gas inlet for leading in external gas needing to be filtered, the lower end of the sealing connecting seat is provided with a gas guide pipe for guiding and conveying the filtered gas, and the through-flow pipe is provided with a gas outlet for guiding and conveying the filtered gas. The right side of the lower end of the gas guide pipe is provided with a group of diverter valves used for diverting gas to be filtered, and the upper ends of the diverter valves are provided with a group of mounting frames used for being fixed with external connecting pieces. Compared with the prior art, the filter has the following beneficial effects that the to-be-filtered gas is conveyed into the side filter box through the shunt pipe for standby filtration, standby filtration is performed through the side filter box, the to-be-filtered gas is released through the filter shell, the to-be-filtered gas is limited and guided through the sealing embedded shell, and the to-be-filtered gas is discharged through the sealing embedded shell. The air passes through the interior of the filter element, and impurities in the air are intercepted by using the filter screen.

Description

Technical Field

[0001] The utility model belongs to the technical field of air filtering and relates to a filtering device with a spare filtering structure. Background Art

[0002] Air filtration is an important technical process that removes impurities and pollutants from the air through a series of physical and chemical methods, thus providing us with a clean and healthy indoor environment. With people's increasing attention to environmental quality, air filtration technology has been widely used in various fields. Air filtration devices play a vital role in modern life. They are responsible for filtering out impurities and pollutants in the air and providing us with a fresh and healthy indoor environment. However, if the backup filter structure cannot be set up inside the air filtration device, a series of problems may arise.

[0003] The inability to use a backup filter structure means that once the main filter structure fails or needs to be replaced, the entire air filter device will have to stop working. This will lead to a sharp decline in indoor air quality, especially in a heavily polluted environment, which may pose a serious threat to people's health. Therefore, a filter device with a backup filter structure is urgently needed to solve the above problems. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a filtering device with a spare filtering structure to solve the problems raised in the above background technology.

[0005] The utility model is realized by the following technical scheme: a filtering device with a spare filtering structure, comprising: a sealing seat and a flow pipe, wherein the inner side of the sealing seat is provided with an air inlet for introducing the external gas to be filtered;

[0006] An air guide pipe for guiding the filtered gas is provided at the lower end of the sealing seat, and a group of diverter valves for diverting the gas to be filtered is provided on the right side of the lower end of the air guide pipe;

[0007] The upper end of the diverter valve is provided with a mounting frame for fixing with an external connecting piece, the lower end of the diverter valve is provided with two support seats for supporting the bottom of the diverter valve, and the rear side of the diverter valve is provided with two diverter tubes for diverting and conducting the gas to be filtered. The diverter tubes can be used to transmit the filtered gas to the side filter box for a backup filtering path.

[0008] As a preferred embodiment, two sets of side limit frames for connecting and fixing with side filter boxes are provided on the outer side of the rear end of the diverter valve, and side filter boxes for diverting and filtering the gas to be filtered are provided on the inner side of the side limit frames, so that backup filtering can be performed by using the side filter boxes.

[0009] As a preferred embodiment, two groups of flow pipes for draining gas are provided on the right side of the side filter box, a group of sealing clamps for sealingly connecting with the filter housing is provided on the right side of the diverter valve, and a group of filter housings for releasing the air to be filtered are provided on the right side of the sealing clamps, so that the filtered gas can be released by using the filter housings.

[0010] As a preferred embodiment, a filter cavity for filtering the air to be filtered is provided inside the filter housing, and a group of inner sealing embedded shells for limiting the flow direction of the air to be filtered are provided inside the filter cavity. The sealed embedded shells can be used to limit and guide the gas to be filtered so that it passes through the inside of the filter element.

[0011] As a preferred embodiment, a group of filter elements for filtering the air to be filtered is provided on the inner side of the inner sealed embedded shell, and a group of rear connecting plates for limiting the position of the inner sealed embedded shell is provided on the right side of the filter shell.

[0012] As a preferred embodiment, the right side of the filter housing is provided with several groups of fixing holes for connecting and fixing with the rear connecting plate, and the rear connecting plate is provided with a group of filter screens for preventing dust and debris from penetrating, so that debris in the air can be intercepted by using the filter screens.

[0013] As a preferred embodiment, the diverter valve is a Q41W-25-25P type reversing valve, and a plurality of groups of vertically arranged filter plates are provided inside the side filter box, and the filter plates are made of the same material as the filter element.

[0014] After adopting the above technical scheme, the beneficial effects of the utility model are: by using a diverter pipe to transmit the filtered gas to the side filter box for a backup filtering path, by using the side filter box for backup filtering, by using a filter shell to release the filtered gas, by using a sealing embedded shell to limit and guide the gas to be filtered so that it passes through the inside of the filter element, and by using a filter screen to intercept debris in the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of a top view of the right rear oblique side of a filter device with a spare filter structure of the utility model;

[0017] Figure 2It is a schematic diagram of an exploded structure of a filter device with a spare filter structure in the utility model, viewed from the left oblique front side;

[0018] Figure 3 This is a schematic diagram of the front side top view of a filter device with a spare filter structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the front side plan view of the side limit frame and the side filter box in a filter device with a spare filter structure of the utility model;

[0020] In the figure: 100-sealing seat, 110-air inlet, 120-air guide pipe, 130-side filter box, 140-mounting frame, 150-diverter valve, 160-support seat, 170-sealing clamp, 180-filter housing, 190-sealing cover, 200-rear connecting plate, 210-fixing hole, 220-filter chamber, 230-inner sealing embedded shell, 240-filter element, 250-filter screen, 260-side limit frame, 270-flow pipe. DETAILED DESCRIPTION

[0021] 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 of 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.

[0022] See also Figure 1-Figure 4 A filter device with a spare filter structure comprises: a sealing seat 100, a side filter box 130, a filter element 240 and a flow pipe 270, wherein the inner side of the sealing seat 100 is provided with an air inlet 110 for introducing the external gas to be filtered;

[0023] The lower end of the sealing seat 100 is provided with an air guide pipe 120 for guiding the filtered gas, and the right side of the lower end of the air guide pipe 120 is provided with a group of diverter valves 150 for diverting the gas to be filtered;

[0024] A mounting frame 140 for fixing with external connecting parts is provided at the upper end of the diverter valve 150, two supporting seats 160 for supporting the bottom of the diverter valve 150 are provided at the lower end of the diverter valve 150, and two diverter tubes for diverting and conducting the gas to be filtered are provided on the rear side of the diverter valve 150. The diverter tubes can be used to transmit the filtered gas to the side filter box 130 for a backup filtering path.

[0025] Two sets of side limit frames 260 for connecting and fixing with the side filter box 130 are arranged on the outer side of the rear end of the diverter valve 150, and the side filter box 130 for diverting and filtering the gas to be filtered is arranged on the inner side of the side limit frame 260, so that standby filtering can be performed by using the side filter box 130.

[0026] Two groups of flow pipes 270 for discharging gas are provided on the right side of the side filter box 130, a group of sealing clamps 170 for sealing connection with the filter housing 180 is provided on the right side of the diverter valve 150, and a group of filter housings 180 for releasing the air to be filtered is provided on the right side of the sealing clamps 170. The filtered gas can be released by using the filter housings 180.

[0027] A filter chamber 220 for filtering the air to be filtered is provided inside the filter housing 180. A group of inner sealing inserts 230 for limiting the flow direction of the air to be filtered are provided inside the filter chamber 220. The sealed inserts can be used to limit and guide the gas to be filtered so that it passes through the filter element 240.

[0028] A group of filter elements 240 for filtering the air to be filtered is disposed inside the inner sealing embedded shell 230 , and a group of rear connecting plates 200 for limiting the position of the inner sealing embedded shell 230 is disposed on the right side of the filter shell 180 .

[0029] The right side of the filter housing 180 is internally provided with a plurality of fixing holes 210 for connecting and fixing with the rear connecting plate 200. The rear connecting plate 200 is internally provided with a group of filter screens 250 for preventing dust and debris from penetrating. The filter screens 250 can be used to intercept debris in the air.

[0030] The diverter valve 150 is a Q41W-25-25P type reversing valve. A plurality of groups of vertically arranged filter plates are arranged inside the side filter box 130. The filter plates are made of the same material as the filter element 240.

[0031] See also Figure 1-Figure 4 , as the first embodiment of the utility model: in order to solve the problem that the backup filtering structure cannot be used, it means that once the main filtering structure fails or needs to be replaced, the entire air filtering device will have to stop working, which will lead to a sharp decline in indoor air quality, especially in a seriously polluted environment, which may pose a serious threat to people's health. First, when the staff needs to replace the filter element 240 inside the filter housing 180, the external air to be filtered is first guided to the inside of the side filter box 130 through the diverter valve 150. Since the side filter box 130 is provided with a plurality of groups of vertically arranged filter plates, the filter plates are made of the same material as the filter element 240. Then, the air to be filtered is filtered through the side filter box 130, and the air is discharged through the flow pipe 270.

[0032] See also Figure 1-Figure 4, as the second embodiment of the utility model: based on the description in the above embodiment, further, when the staff replaces the filter element 240 inside the filter housing 180, since the right side of the filter housing 180 is provided with a plurality of fixing holes 210 for connecting and fixing with the rear connecting plate 200, and the rear connecting plate 200 is provided with a group of filter screens 250 for preventing dust and debris from penetrating, the staff can remove the fixing bolts inside the fixing holes 210 and then remove the rear connecting housing and the inner sealing housing 230, and then clean the inside of the filter chamber 220.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filtering device with a spare filtering structure, comprising: A sealing seat (100), a side filter box (130), a filter element (240) and a flow pipe (270), wherein the sealing seat (100) is provided with an air inlet (110) inside for introducing external gas to be filtered; An air guide pipe (120) for guiding filtered gas is provided at the lower end of the sealing seat (100); a group of diverter valves (150) for diverting the gas to be filtered is provided on the right side of the lower end of the air guide pipe (120); The upper end of the diverter valve (150) is provided with a mounting frame (140) for fixing with an external connecting piece, the lower end of the diverter valve (150) is provided with two sets of support seats (160) for supporting the bottom of the diverter valve (150), and the rear side of the diverter valve (150) is provided with two sets of diverter pipes for diverting and conducting the gas to be filtered.

2. A filtering device with a backup filtering structure according to claim 1, characterized in that: Two sets of side limit frames (260) for connecting and fixing with the side filter boxes (130) are provided on the outside of the rear end of the diverter valve (150), and the side filter boxes (130) for diverting and filtering the gas to be filtered are provided on the inside of the side limit frames (260).

3. A filtering device with a backup filtering structure according to claim 2, characterized in that: Two groups of flow pipes (270) for discharging gas are provided on the right side of the side filter box (130), a group of sealing clamps (170) for sealingly connecting with a filter housing (180) is provided on the right side of the diverter valve (150), and a group of filter housings (180) for releasing air to be filtered is provided on the right side of the sealing clamp (170).

4. A filtering device with a backup filtering structure according to claim 3, characterized in that: A filter cavity (220) for filtering the air to be filtered is provided inside the filter housing (180), and a group of inner sealing inserts (230) for limiting the flow direction of the air to be filtered is provided inside the filter cavity (220).

5. A filtering device with a backup filtering structure according to claim 4, characterized in that: A group of filter elements (240) for filtering the air to be filtered is disposed on the inner side of the inner sealing embedded shell (230), and a group of rear connecting plates (200) for limiting the position of the inner sealing embedded shell (230) is disposed on the right side of the filter shell (180).

6. The filtering device with a backup filtering structure according to claim 3, characterized in that: A plurality of fixing holes (210) for connecting and fixing with the rear connecting plate (200) are provided inside the right side of the filter housing (180), and a group of filter screens (250) for preventing dust and debris from penetrating are provided inside the rear connecting plate (200).

7. The filtering device with a backup filtering structure according to claim 2, characterized in that: The diverter valve (150) is a Q41W-25-25P type reversing valve. A plurality of groups of vertically arranged filter plates are provided inside the side filter box (130). The filter plates and the filter element (240) are made of the same material.

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