Dust filter for civil air defense engineering

Abstract

The utility model relates to the technical field of civil air defense engineering, and discloses a dust filter for civil air defense engineering, which comprises a protective shell, a filter plate is slidably connected in the protective shell, two clamping grooves are formed in the left side of the filter plate, and two clamping blocks are slidably connected in the protective shell. And the two clamping blocks are clamped in the two clamping grooves correspondingly, pull rods are fixedly connected to the right sides of the two clamping blocks correspondingly, springs sleeve the peripheries of the two pull rods correspondingly, a supporting assembly is arranged at the bottom of the protective shell, and connecting flanges are fixedly connected to the front end and the rear end of the protective shell correspondingly. According to the air purifier, the handle can be pulled to enable the clamping block to leave the clamping groove of the filter plate, the filter plate can be disassembled to be cleaned by pulling the handle, the filter plate can be rapidly disassembled to be cleaned, when the filter plate needs to be installed, the filter plate can be installed back to the original position only by pulling the handle, and the filtering effect and the air quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of civil air defense engineering, in particular to a dust filter for civil air defense engineering. Background Art

[0002] Civil air defense projects refer to buildings and facilities used to protect people's lives and property. Their origins can be traced back to the need to protect cities during wars. The earliest civil air defense projects can be found in ancient castles and city walls, such as the Great Wall of China and the castle system in Europe. With the evolution of war technology, civil air defense projects gradually developed into underground bunkers, air-raid shelters and other structures to deal with air raids and war threats. Modern civil air defense projects include underground air-raid shelters, fire-proof stairwells, shelters, etc., providing safe refuges for urban residents.

[0003] The use of dust filters in civil air defense projects can improve air quality, protect health, extend equipment life, reduce maintenance costs, enhance internal comfort, and create a healthier and more livable environment.

[0004] The existing dust filter and filter plate for civil air defense projects are integrated devices. Although the filtering efficiency is guaranteed, the filter plate cannot be quickly removed for cleaning and replacement, resulting in low maintenance efficiency and affecting the filtering effect and air quality. Therefore, a dust filter for civil air defense projects is proposed to solve the above problems. Utility Model Content

[0005] In order to remedy the above deficiencies, the utility model provides a dust filter for civil air defense projects, aiming to improve the problem in the prior art that the filter plate cannot be quickly removed for cleaning and replacement.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A dust filter for civil air defense engineering, comprising a protective shell, a filter plate slidably connected inside the protective shell, two card slots are provided on the left side of the filter plate, two card blocks are slidably connected inside the protective shell, the two card blocks are respectively clamped in the two card slots, a pull rod is fixedly connected to the right side of the two card blocks, springs are sleeved on the outer circumference of the two pull rods, a support assembly is provided at the bottom of the protective shell, and connecting flanges are fixedly connected to the front and rear ends of the protective shell;

[0008] As a further description of the above technical solution:

[0009] The support assembly includes a plurality of telescopic rods, each of which is fixedly connected to the bottom of the protective shell, each of which is fixedly connected to a base, each of which is slidably connected to a plurality of sliders 1 at the bottom of the protective shell, each of which is rotatably connected to an articulated frame at the bottom, each of which is rotatably connected to a plurality of sliders 2 at the bottom of the articulated frame, each of which is slidably connected to the top of the base, and a driving assembly is provided at the top of the base;

[0010] As a further description of the above technical solution:

[0011] The driving assembly includes a motor, the motor is fixedly connected to the top of the base, the output end of the motor is fixedly connected to a bidirectional threaded rod, the outer circumference of the bidirectional threaded rod is threadedly connected to two connecting plates, and the plurality of sliders are respectively fixedly connected to the two ends of the two connecting plates;

[0012] As a further description of the above technical solution:

[0013] Two limiting grooves are provided inside the protective shell, and the two pull rods are slidably connected inside the two limiting grooves respectively;

[0014] As a further description of the above technical solution:

[0015] The right sides of the two pull rods are fixedly connected to limit blocks, and the two limit blocks abut against the right side of the protective shell;

[0016] As a further description of the above technical solution:

[0017] A handle is fixedly connected to the top of the filter plate, and handles are fixedly connected to the right sides of the two limit blocks;

[0018] As a further description of the above technical solution:

[0019] The middle part of the articulated frame is rotatably connected with a synchronization rod;

[0020] As a further description of the above technical solution:

[0021] Both ends of the bidirectional threaded rod are rotatably connected to fixing frames, and the two fixing frames are fixedly connected to the top of the base. The middle part of the bidirectional threaded rod is rotatably connected to a limiting frame, and the limiting frame is fixedly connected to the top of the base.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the handle can be pulled to make the card block leave the card slot of the filter plate, so that the filter plate loses its constraint, and the filter plate can be removed for cleaning by pulling the handle. The filter plate can be quickly removed for cleaning. When the filter plate needs to be installed, it only needs to pull the handle to make the card block enter the limit groove, and the filter plate can be installed back to its original position, and then the force on the handle can be released to complete the installation, thereby improving the filtering effect and air quality.

[0024] 2. In the utility model, the motor can be started to drive the bidirectional threaded rod to rotate, thereby driving the two connecting plates to move, and then driving the articulated frame to move through the second slider, so that the height of the dust filter is changed, the height of the dust filter can be adjusted, and pipes of different heights can be installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a dust filter for civil air defense projects proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of a protective shell of a dust filter for civil air defense projects proposed by the utility model;

[0027] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0028] Figure 4 This is a structural schematic diagram of a base of a dust filter for civil air defense engineering proposed by the utility model;

[0029] Figure 5 This is a schematic structural diagram of a bidirectional threaded rod of a dust filter for civil air defense projects proposed by the utility model.

[0030] Legend:

[0031] 1. Protective shell; 2. Filter plate; 3. Handle; 4. Slot; 5. Limiting slot; 6. Block; 7. Pull rod; 8. Spring; 9. Limiting block; 10. Handle; 11. Connecting flange; 12. Telescopic rod; 13. Base; 14. Slider 1; 15. Articulated frame; 16. Slider 2; 17. Synchronous rod; 18. Motor; 19. Bidirectional threaded rod; 20. Connecting plate; 21. Fixed frame; 22. Limiting frame. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1 - Figure 3 , an embodiment provided by the utility model: a dust filter for civil air defense engineering, comprising a protective shell 1, used to protect an internal filter plate 2, the protective shell 1 is slidably connected with the filter plate 2, the filter plate 2 is used to filter air, the filter plate 2 has two card slots 4 on the left side, the protective shell 1 is slidably connected with two card blocks 6, the two card blocks 6 are respectively carded in the two card slots 4, the card blocks 6 are carded into the card slots 4, so that the filter plate 2 is fixed in the protective shell 1, the right sides of the two card blocks 6 are fixedly connected with pull rods 7, the pull rods 7 are used to pull the card blocks 6 out of the card slots 4, the outer circumferences of the two pull rods 7 are sleeved with springs 8, the springs 8 are used to reset the movement of the card blocks 6, and the bottom of the protective shell 1 is provided with a support Support assembly, the front and rear ends of the protective shell 1 are fixedly connected with connecting flanges 11, the connecting flanges 11 are used to connect pipelines, two limit grooves 5 are set inside the protective shell 1, two pull rods 7 are respectively slidably connected inside the two limit grooves 5, the limit grooves 5 are used to provide moving space for the block 6 and the pull rod 7, the right sides of the two pull rods 7 are fixedly connected with limit blocks 9, the two limit blocks 9 are both abutted against the right side of the protective shell 1, the limit blocks 9 are used to prevent the spring 8 from resetting the block 6 too far, the top of the filter plate 2 is fixedly connected with a handle 3, the handle 3 is used to pull the filter plate 2 out of the protective shell 1, the right sides of the two limit blocks 9 are fixedly connected with handles 10, the handles 10 are used to enable the operator to pull out the block 6 better.

[0034] Reference Figure 4 - Figure 5The support assembly includes a plurality of telescopic rods 12, and the plurality of telescopic rods 12 are fixedly connected to the bottom of the protective shell 1. The plurality of telescopic rods 12 are fixedly connected to a base 13 at the bottom. The telescopic rods 12 are used to connect the protective shell 1 and the base 13. The base 13 is used to support the equipment to the ground. The bottom of the protective shell 1 is slidably connected to a plurality of sliders 14. The bottom of the plurality of sliders 14 is rotatably connected to an articulated frame 15. The slider 14 is used to connect the articulated frame 15. The articulated frame 15 is used to adjust the height of the protective shell 1. The bottom of the articulated frame 15 is rotatably connected to a plurality of sliders 2 16. The plurality of sliders 2 16 are slidably connected to the top of the base 13. The articulated frame 15 can provide the sliders 2 16 to be connected to the base 13. A driving assembly is provided at the top of the base 13. The driving assembly includes a motor 18. The motor 18 is fixedly connected to the top of the base 13. The motor 18 outputs A two-way threaded rod 19 is fixedly connected to the end, and a motor 18 is used to drive the two-way threaded rod 19 to rotate. The outer periphery of the two-way threaded rod 19 is threadedly connected to two connecting plates 20. When the two-way threaded rod 19 rotates, it will drive the two connecting plates 20 to move in opposite directions. Multiple sliders 16 are respectively fixedly connected to the two ends of the two connecting plates 20. The movement of the connecting plate 20 can drive the slider 16 to move. The middle part of the articulated frame 15 is rotatably connected to a synchronization rod 17 to synchronize the height of the articulated frame 15. Both ends of the two-way threaded rod 19 are rotatably connected to fixed frames 21, and the fixed frames 21 are used to support the two-way threaded rod 19. The two fixed frames 21 are fixedly connected to the top of the base 13. The middle part of the two-way threaded rod 19 is rotatably connected to a limiting frame 22, and the limiting frame 22 is fixedly connected to the top of the base 13 to prevent the two connecting plates 20 from colliding.

[0035] Working principle: When the filter plate 2 needs to be removed for cleaning or replacement, the handle 10 can be pulled first to provide the pull rod 7 to bring out the slot 4 of the filter plate 2, so that the filter plate 2 loses its constraint, and the filter plate 2 can be pulled out by pulling the handle 3 to complete the removal, thereby improving the cleaning efficiency. When the cleaned filter plate 2 needs to be installed, the handle 10 is first pulled to allow the block 6 to enter the limiting groove 5, and the filter plate 2 is installed back to its original position. Then, the force on the handle 10 is released, and the spring 8 will release the tension, and the block 6 will be stuck into the slot 4 of the filter plate 2 to complete the installation, thereby improving the installation efficiency.

[0036] When the height of the dust filter needs to be adjusted to match the corresponding pipeline, first start the motor 18 to drive the bidirectional threaded rod 19 to rotate, thereby driving the two connecting plates 20 to move, and then driving the articulated frame 15 to move through the slider 16, and the articulated frame 15 drives the protective shell 1 through the slider 14, so that the height of the protective shell 1 changes, and the dust filter height can be adjusted to match the corresponding pipeline, thereby improving the flexibility of the equipment.

[0037] 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 substitutions for some of the technical features therein. 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 dust filter for civil air defense engineering, comprising a protective housing (1), characterized in that: The protective shell (1) is slidably connected to a filter plate (2), and two slots (4) are provided on the left side of the filter plate (2). The protective shell (1) is slidably connected to two blocks (6), and the two blocks (6) are respectively engaged in the two slots (4). The right sides of the two blocks (6) are fixedly connected to pull rods (7), and the outer circumferences of the two pull rods (7) are sleeved with springs (8). A support assembly is provided at the bottom of the protective shell (1), and the front and rear ends of the protective shell (1) are fixedly connected to connecting flanges (11).

2. A dust filter for civil air defense engineering according to claim 1, characterized in that: The support assembly comprises a plurality of telescopic rods (12), the plurality of telescopic rods (12) are all fixedly connected to the bottom of the protective shell (1), the bottom of the plurality of telescopic rods (12) are fixedly connected to a base (13), the bottom of the protective shell (1) is slidably connected to a plurality of sliders (14), the bottom of the plurality of sliders (14) are rotatably connected to an articulated frame (15), the bottom of the articulated frame (15) is rotatably connected to a plurality of sliders (16), the plurality of sliders (16) are all slidably connected to the top of the base (13), and a driving assembly is arranged on the top of the base (13).

3. A dust filter for civil air defense engineering according to claim 2, characterized in that: The driving assembly comprises a motor (18), the motor (18) is fixedly connected to the top of the base (13), the output end of the motor (18) is fixedly connected to a bidirectional threaded rod (19), the outer periphery of the bidirectional threaded rod (19) is threadedly connected to two connecting plates (20), and the plurality of sliders (16) are respectively fixedly connected to the two ends of the two connecting plates (20).

4. The dust filter for civil air defense engineering according to claim 1, characterized in that: Two limiting grooves (5) are provided inside the protective shell (1), and the two pull rods (7) are respectively slidably connected inside the two limiting grooves (5).

5. The dust filter for civil air defense engineering according to claim 1, characterized in that: The right sides of the two pull rods (7) are fixedly connected to limit blocks (9), and the two limit blocks (9) abut against the right side of the protective shell (1).

6. A dust filter for civil air defense engineering according to claim 5, characterized in that: A handle (3) is fixedly connected to the top of the filter plate (2), and a handle (10) is fixedly connected to the right side of the two limit blocks (9).

7. The dust filter for civil air defense engineering according to claim 2, characterized in that: The middle part of the articulated frame (15) is rotatably connected with a synchronization rod (17).

8. The dust filter for civil air defense engineering according to claim 3, characterized in that: Both ends of the bidirectional threaded rod (19) are rotatably connected to fixed frames (21), and the two fixed frames (21) are fixedly connected to the top of the base (13). The middle part of the bidirectional threaded rod (19) is rotatably connected to a limiting frame (22), and the limiting frame (22) is fixedly connected to the top of the base (13).

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