Multi-stage ventilation filtering device for safety engineering

Abstract

The invention discloses a multi-stage ventilation filtering device for safety engineering, and relates to the technical field of ventilation equipment, the multi-stage ventilation filtering device comprises three double-layer filtering frames, each double-layer filtering frame is internally provided with two filtering net plates, the two filtering net plates are located on the same vertical plane, and the two filtering net plates are located on the same vertical plane. A sliding frame is arranged in each double-layer filter frame, two supporting frames are fixedly installed on one side of each sliding frame, a cleaning brush is fixedly installed in each supporting frame, and the outer wall of each cleaning brush makes contact with the outer wall of the corresponding filter screen plate; a cleaning transmission assembly is arranged in each double-layer filter frame, and four sleeving frames are fixedly mounted on the outer wall of each double-layer filter frame; multiple groups of double-layer filter frames can be quickly and conveniently assembled, so that multi-stage assembly and fixation can be conveniently carried out according to engineering requirements, the whole filter screen plate can be wiped and cleaned, and the blockage of the filter screen plate caused by accumulation of a large amount of dust is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of ventilation equipment, in particular to a multi-stage ventilation and filtering device used in safety engineering. Background Art

[0002] Air filters play an integral role in ventilation systems. These filters are usually installed at the air inlet or outlet of the air conditioning system to remove particulate matter, harmful gases and other pollutants from the air.

[0003] According to the "A Purification and Ventilation Multi-stage Filter Device" provided by China Patent Authorization Announcement No. CN220981505U, the structure is easy to disassemble and assemble to facilitate the replacement of filter materials, especially activated carbon cloth, thereby reducing the complexity and labor intensity of maintenance work and reducing operating costs.

[0004] However, the ventilation device will accumulate a lot of dust due to continuous ventilation and filtering, causing blockage of the vents, and each time it needs to be disassembled and cleaned, it takes a lot of time to clean and needs to be installed after cleaning, which is time-consuming and laborious. Summary of the invention

[0005] The object of the present invention is to provide a multi-stage ventilation and filtering device for safety engineering to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solution: a multi-stage ventilation and filtering device for safety engineering, including a double-layer filter frame, the number of the double-layer filter frames is three, each of the double-layer filter frames is provided with two filter screens inside, the two filter screens are located on the same vertical plane, each of the double-layer filter frames is provided with a sliding frame inside, two supporting frames are fixedly installed on one side of each sliding frame, a cleaning brush is fixedly installed inside each supporting frame, the outer wall of each cleaning brush contacts the outer wall of the corresponding filter screen, a cleaning transmission assembly is provided inside each double-layer filter frame, four set frames are fixedly installed on the outer wall of each double-layer filter frame, and a connecting set assembly is provided on the outside of every two corresponding set frames.

[0007] Furthermore, the cleaning transmission assembly includes a transmission screw, a threaded barrel and a rotating handle. The interior of each double-layer filter frame is rotatably sleeved with a transmission screw, the exterior of each transmission screw is threadedly sleeved with a threaded barrel, each threaded barrel is fixedly sleeved with a corresponding sliding frame, one end of each transmission screw passes through the double-layer filter frame, and a rotating handle is fixedly sleeved inside each transmission screw.

[0008] Furthermore, two fixing screws are provided inside each of the sliding frames, and each of the sliding frames is fixedly connected to the threaded barrel via the two fixing screws.

[0009] Furthermore, two adapter tubes are fixedly sleeved inside each of the double-layer filter frames, and each of the transmission screws is rotatably sleeved with the double-layer filter frame through the adapter tube.

[0010] Furthermore, the connecting set assembly includes connecting bolts, screw holes and connecting frames, and a connecting frame is movably connected between every two corresponding set frames, and each of the set frames is provided with two screw holes inside, and each of the connecting frames is provided with two connecting bolts inside, and each of the connecting bolts is threadedly connected to the corresponding screw hole.

[0011] Furthermore, two sealing strips are installed on the outer wall of each double-layer filter frame, and the outer walls of every two corresponding sealing strips are in contact with each other.

[0012] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: by fixing four set frames on the outer wall of each double-layer filter frame, and movably sleeved with a connecting frame between every two corresponding set frames, the connecting bolts inside the connecting frame are threadedly connected with the screw holes inside the corresponding set frames, so that multiple sets of double-layer filter frames can be assembled quickly and conveniently, so as to facilitate multi-level assembly and fixing according to engineering requirements;

[0013] A driving screw is rotatably sleeved inside each double-layer filter frame, and a threaded barrel is threadedly sleeved on the outside of the driving screw, and a sliding frame is fixedly sleeved on the outside of the threaded barrel. The cleaning brush is slidably supported by a supporting frame on the outside of the sliding frame, so that the cleaning brush contacts the filter screen plate, and the driving screw is rotated to drive the cleaning brush to translate, thereby wiping and cleaning the entire filter screen plate to avoid accumulation of a large amount of dust and clogging of the filter screen plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a three-dimensional structural diagram of a multi-stage ventilation and filtering device for safety engineering in the present invention;

[0016] Figure 2 It is a side view of a multi-stage ventilation and filtering device for safety engineering according to the patent of the present invention;

[0017] Figure 3 This is a patented multi-stage ventilation and filtration device for safety engineering. Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This is a patented multi-stage ventilation and filtration device for safety engineering. Figure 2 The enlarged structural diagram at B in the middle;

[0019] Figure 5 This is a patented multi-stage ventilation and filtration device for safety engineering. Figure 2 Schematic diagram of the enlarged structure at point C in the middle.

[0020] Markings in the accompanying drawings:

[0021] 1. Double-layer filter frame; 2. Filter screen plate; 3. Sliding frame; 4. Support frame; 5. Cleaning brush; 6. Cleaning transmission assembly; 601. Transmission screw; 602. Threaded barrel; 603. Rotating handle; 7. Set frame; 8. Sealing strip; 9. Connecting set assembly; 901. Connecting bolt; 902. Screw hole; 903. Connecting frame; 10. Fixing screw; 11. Adapter barrel. DETAILED DESCRIPTION

[0022] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The present invention provides a technical solution: a multi-stage ventilation and filtering device for safety engineering, comprising a double-layer filter frame 1, the number of the double-layer filter frames 1 is three, each double-layer filter frame 1 is provided with two filter screens 2 inside, the two filter screens 2 are located on the same vertical plane, each double-layer filter frame 1 is provided with a sliding frame 3 inside, two support frames 4 are fixedly installed on one side of each sliding frame 3, a cleaning brush 5 is fixedly installed inside each support frame 4, the outer wall of each cleaning brush 5 contacts the outer wall of the corresponding filter screen 2, each double-layer filter frame 1 is provided with a cleaning transmission assembly 6, four set frames 7 are fixedly installed on the outer wall of each double-layer filter frame 1, and a connecting set assembly 9 is provided on the outside of every two corresponding set frames 7.

[0024] See also Figure 2 , Figure 3 and Figure 4The cleaning transmission assembly 6 includes a transmission screw 601, a threaded barrel 602 and a rotating handle 603. The inside of each double-layer filter frame 1 is rotatably sleeved with a transmission screw 601, the outside of each transmission screw 601 is threadedly sleeved with a threaded barrel 602, and each threaded barrel 602 is fixedly sleeved with the corresponding sliding frame 3. One end of each transmission screw 601 passes through the double-layer filter frame 1, and the inside of each transmission screw 601 is fixedly sleeved with a rotating handle 603, so that the cleaning brush 5 on the outside of the threaded barrel 602 can be driven to translate by manual rotation, so that the entire filter screen plate 2 can be wiped and cleaned.

[0025] See also Figure 4 Two fixing screws 10 are arranged inside each sliding frame 3 , and each sliding frame 3 is fixedly connected to the threaded barrel 602 through the two fixing screws 10 , thereby enabling the sliding frame 3 to be stably connected and fixed to the threaded barrel 602 .

[0026] See also Figure 2 Two adapter tubes 11 are fixedly sleeved inside each double-layer filter frame 1, and each transmission screw 601 is rotatably sleeved with the double-layer filter frame 1 through the adapter tube 11, so that the transmission screw 601 is rotatably supported.

[0027] See also Figure 3 and Figure 5 The connection set component 9 includes a connecting bolt 901, a screw hole 902 and a connecting frame 903. A connecting frame 903 is movably connected between every two corresponding set frames 7. Two screw holes 902 are provided inside each set frame 7. Two connecting bolts 901 are provided inside each connecting frame 903. Each connecting bolt 901 is threadedly connected with the corresponding screw hole 902, so that multiple groups of double-layer filter frames 1 can be assembled and connected, so as to facilitate multi-level assembly and fixation according to engineering requirements.

[0028] See also Figure 1 Two sealing strips 8 are installed on the outer wall of each double-layer filter frame 1, and the outer walls of every two corresponding sealing strips 8 are in contact, so that each double-layer filter frame 1 forms a sealed whole to avoid gaps and air leakage.

[0029] Working principle: First, assemble multiple double-layer filter frames 1 and place the filter screen 2 inside. Secondly, install two sealing strips 8 on the outer wall of each double-layer filter frame 1, so that each double-layer filter frame 1 forms a sealed whole to avoid gaps and air leakage, so as to realize ventilation of the construction project. Four set frames 7 are fixedly installed on the outer wall of each double-layer filter frame 1, and a connecting frame 903 is movably sleeved between every two corresponding set frames 7. Two connecting bolts 901 are provided inside the connecting frame 903, and each connecting bolt 901 is threadedly connected to the screw hole 902 inside the corresponding set frame 7, so that multiple sets of filters can be quickly and conveniently connected. A double-layer filter frame 1 is assembled to facilitate multi-level assembly and fixation according to engineering requirements; a transfer cylinder 11 is fixedly sleeved inside each double-layer filter frame 1, thereby rotatably supporting the transmission screw 601, and then a threaded cylinder 602 is sleeved on the external thread of the transmission screw 601, and a sliding frame 3 is fixedly sleeved on the outside of the threaded cylinder 602, and a cleaning brush 5 is slidably supported on the outside of the sliding frame 3 through a support frame 4, so that the cleaning brush 5 contacts the filter screen plate 2, and the cleaning brush 5 is driven to translate by rotating the transmission screw 601, thereby wiping and cleaning the entire filter screen plate 2 to avoid the accumulation of a large amount of dust and clogging of the filter screen plate 2.

[0030] 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.

[0031] Finally, it should be noted that the above description 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 replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-stage ventilation and filtering device for safety engineering, characterized in that: The invention comprises a double-layer filter frame (1), wherein the number of the double-layer filter frames (1) is three, each of the double-layer filter frames (1) is provided with two filter screens (2) inside, the two filter screens (2) are located on the same vertical plane, each of the double-layer filter frames (1) is provided with a sliding frame (3) inside, two support frames (4) are fixedly mounted on one side of each of the sliding frames (3), a cleaning brush (5) is fixedly mounted inside each of the support frames (4), the outer wall of each of the cleaning brushes (5) is in contact with the outer wall of the corresponding filter screen (2), each of the double-layer filter frames (1) is provided with a cleaning transmission assembly (6), and four set frames (7) are fixedly mounted on the outer wall of each of the double-layer filter frames (1), and the outsides of every two corresponding set frames (7) are provided with a connecting set assembly (9).

2. The multi-stage ventilation and filtering device for safety engineering according to claim 1, characterized in that: The cleaning transmission assembly (6) comprises a transmission screw (601), a threaded barrel (602) and a rotating handle (603); the interior of each double-layer filter frame (1) is rotatably sleeved with a transmission screw (601); the exterior of each transmission screw (601) is threadedly sleeved with a threaded barrel (602); each threaded barrel (602) is fixedly sleeved with a corresponding sliding frame (3); one end of each transmission screw (601) passes through the double-layer filter frame (1); and the interior of each transmission screw (601) is fixedly sleeved with a rotating handle (603).

3. The multi-stage ventilation and filtering device for safety engineering according to claim 1, characterized in that: Two fixing screws (10) are arranged inside each of the sliding frames (3), and each of the sliding frames (3) is fixedly connected to the threaded cylinder (602) via the two fixing screws (10).

4. The multi-stage ventilation and filtering device for safety engineering according to claim 2, characterized in that: Two adapter tubes (11) are fixedly sleeved inside each of the double-layer filter frames (1), and each of the transmission screws (601) is rotatably sleeved with the double-layer filter frame (1) via the adapter tube (11).

5. The multi-stage ventilation and filtering device for safety engineering according to claim 3, characterized in that: The connecting sleeve assembly (9) comprises a connecting bolt (901), a screw hole (902) and a connecting frame (903); a connecting frame (903) is movably sleeved between every two corresponding sleeve frames (7); two screw holes (902) are arranged inside each sleeve frame (7); two connecting bolts (901) are arranged inside each connecting frame (903); and each connecting bolt (901) is threadedly sleeved with a corresponding screw hole (902).

6. The multi-stage ventilation and filtering device for safety engineering according to claim 5, characterized in that: Two sealing strips (8) are installed on the outer wall of each double-layer filter frame (1), and the outer walls of every two corresponding sealing strips (8) are in contact with each other.

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