CN217449430U - Dust filter for civil air defense ventilation - Google Patents

Abstract

The utility model relates to the technical field of civil air defense ventilation, and discloses a dust filter for civil air defense ventilation, which comprises a first shell and a second shell, wherein one ends of the first shell and the second shell are respectively provided with a connecting groove which is matched with each other, and the first shell and the second shell are connected through a connecting groove block; the utility model discloses a set up and link up the groove, be convenient for be connected between first casing and the second casing, reduce the gap, guarantee the leakproofness, through setting up fixture block and draw-in groove, be convenient for install and dismantle interior casing, through setting up spacing groove and stopper, be convenient for install fixed interior casing, reduce the time of dismantling the filter, improve work efficiency, through setting up filtering mechanism, filter the air through the active carbon particle board, improve the filter effect, through setting up the dust screen, further improve the dust filtration effect, through setting up first filter screen and second filter screen, carry out multiple filtration to the air, reduce the dust in the air.

Description

Dust filter for civil air defense ventilation

Technical Field

The utility model relates to a people's air defense ventilation technical field specifically is a people's air defense is dust filter for ventilation.

Background

People's air defense filter mainly used people's air defense engineering strains dirt ventilation system, the dust in the effective filtering air of ability, harmful substance such as poison steam, provide the clean air after filtering to the interior personnel of engineering, the dust filter in the people's air defense filter is after long-time work, its surface gathers a lot of dust and greasy dirt, if not in time clear up, can influence the filter effect of dust filter, people's air defense ventilation dust remover among the prior art, most all is in the casing through the bolt fastening, long-term use, strain a large amount of dusts of dirt net accumulation, influence follow-up dust removal effect, when needs will strain dirt net dismantlement and come out and wash, it is wasted time and energy to dismantle, it is comparatively hard.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above-mentioned problem of prior art, the utility model provides a people's air defense is dust catcher for ventilation, through setting up the spread groove, be convenient for be connected between first casing and the second casing, reduce the gap, guarantee the leakproofness, through setting up fixture block and draw-in groove, be convenient for install and dismantle the interior casing, through setting up spacing groove and stopper, be convenient for install fixed interior casing, reduce the time of dismantling the filter, and the operation efficiency is improved, through setting up filtering mechanism, filter the air through the active carbon particle board, adsorb the dust, improve the filter effect, through setting up the dust screen, further improve the dust filtering effect, through setting up first filter screen and second filter screen, filter the air many times, reduce the dust in the air.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a dust filter for civil air defense ventilation comprises a first shell and a second shell, wherein one ends of the first shell and the second shell are respectively provided with a connecting groove which is matched with each other, the first shell and the second shell are connected by a connecting groove in a clamping manner, clamping blocks are fixedly arranged on the inner walls of the two sides of the first shell, an inner shell is arranged in the first shell, clamping grooves are arranged on two sides of one end of the inner shell, the inner shell is connected with the clamping blocks in a clamping manner through the clamping grooves, one end of the first shell and one end of the second shell are respectively provided with an air inlet and an air outlet, the inner walls of the two sides of the inner shell are fixedly provided with a connecting frame, the inside of the connecting frame is provided with a filtering mechanism, and the two ends of the inner cavity of the inner shell are respectively provided with a first filter screen and a second filter screen, the air inlet and one end of the air outlet are respectively provided with a dust screen, and the dust screens are clamped and connected at one ends of the air inlet and the air outlet.

Preferably, the filtering mechanism comprises a filtering box, protective nets are arranged at two ends of the filtering box, and the protective nets are fixedly mounted on the filtering box through screws.

Preferably, the inside a plurality of active carbon particle boards that are equipped with of rose box, the equal block of active carbon particle board is connected inside the rose box.

Preferably, the limiting blocks are connected with the limiting grooves in a clamping mode.

Preferably, the inner cavity of the inner shell is fixedly provided with connecting plates at two ends, the connecting plates are provided with connecting grooves at two ends of one side, the first filter screen and the second filter screen are provided with connecting blocks at two ends of one side, and the connecting blocks are connected with the connecting grooves in a clamping manner.

Preferably, one end of the first shell is provided with a plurality of connecting screws, and the first shell and the second shell are fixed through the connecting screws.

(III) advantageous effects

The utility model provides a people's air defense is dust filter for ventilation. The method has the following beneficial effects:

(1) the connection between the first shell and the second shell is facilitated by arranging the connecting groove, so that a gap is reduced, the sealing property is ensured, the inner shell is convenient to mount and dismount by arranging the clamping block and the clamping groove, the inner shell is convenient to mount and fix by arranging the limiting groove and the limiting block, the time for dismounting the filter is reduced, and the working efficiency is improved;

(2) through setting up filtering mechanism, filter the air through the active carbon particle board, adsorb the dust, improve the filter effect, through setting up the dust screen, further improve the dust filtering effect, through setting up first filter screen and second filter screen, filter the air many times, reduce the dust in the air.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of the present invention;

FIG. 3 is a schematic view of the filtering mechanism of the present invention;

fig. 4 is an enlarged view of a of the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. connecting grooves; 4. a clamping block; 5. an inner housing; 6. a card slot; 7. an air inlet; 8. an air outlet; 9. a connecting frame; 10. a first filter screen; 11. a second filter screen; 12. a dust screen; 13. a protective net; 14. an activated carbon particle board; 15. a limiting groove; 16. a limiting block; 17. a connecting plate; 18. a joining groove; 19. a joining block; 20. a connecting screw; 21. a filter box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a dust filter for civil air defense ventilation, which comprises the following technical scheme: a dust filter for civil air defense ventilation comprises a first shell 1 and a second shell 2, wherein one end of the first shell 1 and one end of the second shell 2 are respectively provided with a connecting groove 3 which are matched with each other, the first casing 1 and the second casing 2 are connected by a connecting groove 3, the inner walls of both sides of the first casing 1 are fixedly provided with a clamping block 4, an inner shell 5 is arranged in the first shell 1, both sides of one end of the inner shell 5 are provided with clamping grooves 6, the inner shell 5 is connected with the clamping block 4 through the clamping grooves 6 in a clamping way, one end of the first shell 1 and one end of the second shell 2 are respectively provided with an air inlet 7 and an air outlet 8, the inner walls of both sides of the inner shell 5 are fixedly provided with a connecting frame 9, a filtering mechanism is arranged in the connecting frame 9, and 5 inner chamber both ends of interior casing are equipped with first filter screen 10 and second filter screen 11 respectively, and air intake 7 and 8 one ends of air outlet all are equipped with dust screen 12, and the equal block of dust screen 12 is connected in air intake 7 and 8 one ends of air outlet.

In this embodiment: through setting up spread groove 3, be convenient for be connected between first casing 1 and the second casing 2, reduce the gap, guarantee the leakproofness, through setting up fixture block 4 and draw-in groove 6, install and dismantle interior casing 5 be convenient for, through setting up spacing groove 15 and stopper 16, install fixed interior casing 5 of being convenient for, reduce the time of dismantling the filter, improve work efficiency, through setting up filtering mechanism, filter the air through activated carbon particle board 14, adsorb the dust, improve the filter effect.

In a preferred embodiment, filtering mechanism includes rose box 21, rose box 21 both ends all are equipped with protection network 13, protection network 13 passes through screw installation to be fixed on rose box 21, rose box 21 is inside to be equipped with a plurality of activated carbon particle boards 14, filter the air, adsorb the dust, improve the filter effect, the equal block of activated carbon particle board 14 is connected inside rose box 21, and rose box 21 one side both ends all are equipped with spacing groove 15, all be equipped with stopper 16 on the link 9, stopper 16 all is connected with spacing groove 15 block, casing 5 is fixed in the installation of being convenient for, reduce the time of dismantling the filter, and the work efficiency is improved.

In a preferred embodiment, both ends of the inner cavity of the inner housing 5 are fixedly provided with a connecting plate 17, both ends of one side of the connecting plate 17 are provided with a connecting groove 18, both ends of one side of the first filter screen 10 and one side of the second filter screen 11 are provided with a connecting block 19, and the connecting blocks 19 are all connected with the connecting grooves 18 in a clamping manner, so that the first filter screen 10 and the second filter screen 11 are convenient to mount and dismount.

In a preferred embodiment, one end of the first casing 1 is provided with a plurality of connecting screws 20, and the first casing 1 and the second casing 2 are fixed by the connecting screws 20, so that the connecting effect between the first casing 1 and the second casing 2 is increased, and the stability is improved.

The working principle is as follows: when using, the air is got into inside the dust catcher by the air inlet, through dust screen 12, first filter carries out a lot of filtration to the air with the second filter, through the inside active carbon particle board 14 of filter mechanism, adsorb the dust in the air, improve the dirt effect of straining, at intervals, demolish connecting screw 20 on 1 surface of first casing, take off second casing 2, demolish interior casing 5 again, continue to demolish first filter screen 10 and second filter screen 11, wash each part, change the inside active carbon particle board 14 of rose box 21 simultaneously, continue to use after installing the filter aggregate again.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a people's air defense is dust catcher for ventilation, includes first casing (1) and second casing (2), its characterized in that: one end of each of the first shell (1) and the second shell (2) is provided with a connecting groove (3) which are matched with each other, the first shell (1) and the second shell (2) are connected with each other in a clamping manner through the connecting grooves (3), the inner walls of the two sides of the first shell (1) are fixedly provided with clamping blocks (4), an inner shell (5) is arranged in the first shell (1), the two sides of one end of the inner shell (5) are provided with clamping grooves (6), the inner shell (5) is connected with the clamping blocks (4) in a clamping manner through the clamping grooves (6), one end of each of the first shell (1) and the second shell (2) is respectively provided with an air inlet (7) and an air outlet (8), the inner walls of the two sides of the inner shell (5) are fixedly provided with connecting frames (9), the inner part of each connecting frame (9) is provided with a filtering mechanism, and the two ends of the inner cavity of each of the inner shell (5) are respectively provided with a first filter screen (10) and a second filter screen (11), air intake (7) and air outlet (8) one end all are equipped with dust screen (12), dust screen (12) all block is connected in air intake (7) and air outlet (8) one end.

2. The dust filter for civil air defense ventilation according to claim 1, characterized in that: the filtering mechanism comprises a filtering box (21), protective nets (13) are arranged at two ends of the filtering box (21), and the protective nets (13) are installed and fixed on the filtering box (21) through screws.

3. The dust filter for civil air defense ventilation according to claim 2, characterized in that: the filter box is characterized in that a plurality of activated carbon particle plates (14) are arranged inside the filter box (21), the activated carbon particle plates (14) are connected inside the filter box (21) in an all-clamped mode, limiting grooves (15) are arranged at two ends of one side of the filter box (21), limiting blocks (16) are arranged on the connecting frame (9), and the limiting blocks (16) are connected with the limiting grooves (15) in an all-clamped mode.

4. The dust filter for civil air defense ventilation according to claim 1, characterized in that: inner housing (5) inner chamber both ends all are fixed and are equipped with connecting plate (17), connecting plate (17) one side both ends all are equipped with and link up groove (18), first filter screen (10) all are equipped with second filter screen (11) one side both ends and link up piece (19), link up piece (19) all with link up groove (18) block and be connected.

5. The dust filter for civil air defense ventilation according to claim 1, characterized in that: one end of the first shell (1) is provided with a plurality of connecting screws (20), and the first shell (1) and the second shell (2) are fixed through the connecting screws (20).

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