CN215195987U - Oil net dust filter for civil air defense engineering - Google Patents

Abstract

The utility model discloses an oil screen dust filter for civil air defense engineering, which comprises a shell, a plurality of layers of filter layers and a cleaning door; a plurality of layers of U-shaped sliding grooves are formed in the left side wall and the right side wall of the inner end of the cleaning doorway, first T-shaped sliding blocks are arranged at the left end and the right end of the filtering layer, the body parts of the first T-shaped sliding blocks are slidably mounted in the U-shaped sliding grooves, and the two shoulders of the first T-shaped sliding blocks are abutted against the side walls of the U-shaped sliding grooves; the cleaning door inner end is equipped with multilayer T type spout, and T type spout level sets up and seals one end opening along its length direction one end, and the one end that the filter layer is close to the cleaning door is equipped with second T type slider, and two shoulders of second T type slider pass through T type spout opening part slidable mounting in T type spout, and second T type slider body portion is worn out and is connected the filter layer behind the T type mouth of T type spout. Through the cooperation that sets up first T type slider and U type spout with make things convenient for the installation and the dismantlement of multilayer filter layer in the casing, through the cooperation that sets up second T type slider and T type spout with make things convenient for the installation and the dismantlement of multilayer filter layer at the clearance door.

Description

Oil net dust filter for civil air defense engineering

Technical Field

The utility model relates to a civil air defense engineering technical field, more specifically say and relate to an oil screen dust filter for civil air defense engineering.

Background

Civil air defense engineering also called civil air defense engineering refers to underground protective buildings which are independently built for guaranteeing personnel and material shelter, civil air defense command and medical rescue in wartime and basements which are built by combining ground buildings and can be used for air defense in wartime. The civil air defense engineering is an important facility for preventing enemies from attacking suddenly, effectively masking personnel and materials and preserving the war potential; the method is an engineering guarantee for adhering to town battles and supporting anti-aggression wars to victory for a long time.

The oil screen dust filter is used in underground civil air defense engineering and is used for filtering air entering the interior of the engineering from the outside.

The Chinese patent with the application number of CN201920963392.X discloses an anti-deformation embedded oil screen dust filter, which comprises a mounting seat, wherein fixing ports are formed in the outer surfaces of the upper end and the lower end of the mounting seat, a sealing seat is screwed at the position, close to the fixing ports, of the inner wall of the mounting seat, a cavity is formed in the mounting seat, and a first shell, a second shell and a third shell are sequentially clamped on the inner wall of the cavity from top to bottom; the air intake has been seted up to the upper end surface intermediate position of first casing, the air outlet has been seted up to the lower extreme surface intermediate position of second casing, the inner wall of first casing is close to the position of lower extreme and the position that the inner wall of second casing is close to the upper end all is provided with the internal thread, the utility model discloses can be more convenient dismantle the installation to the dust catcher, and then the convenience is to the clearance of oil net and filter screen, can also play the support fixed action to the oil net, prevents simultaneously that factors such as external extrusion from causing the deformation of oil net and dust catcher.

In the above-mentioned patent, the dust catcher adopts split type, including first casing, second casing and third casing, when wasing the oil net, need dismantle three casing get off, wash again, consequently wash comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that exists among the above-mentioned prior art, the utility model aims at providing an oil screen dust filter for civil air defense engineering, cooperation through setting up first T type slider and U type spout is in order to make things convenient for the installation and the dismantlement of multilayer filter layer in the casing, cooperation through setting up second T type slider and T type spout is in order to make things convenient for the installation and the dismantlement of multilayer filter layer at the clearance door to dismantle each layer filter layer alone respectively in order to wash or change with the convenience.

In order to realize the above purpose, the utility model discloses a technical scheme:

an oil screen dust filter for civil air defense engineering comprises a shell, a plurality of filter layers and a cleaning door; the interior of the shell penetrates up and down, the top end of the shell is provided with an air inlet, the bottom end of the shell is provided with an air outlet, the front end of the shell is provided with a cleaning door opening, and the cleaning door is detachably mounted at the cleaning door opening;

a plurality of layers of U-shaped chutes for mounting the plurality of layers of filter layers are arranged on the left side wall and the right side wall of the inner end of the cleaning doorway, the U-shaped chutes are horizontally arranged, first T-shaped slide blocks are arranged at the left end and the right end of the filter layers, the body parts of the first T-shaped slide blocks are slidably mounted in the U-shaped chutes, and two shoulders are abutted against the side walls of the U-shaped chutes; the utility model discloses a cleaning door, including cleaning door, T type slider, filter layer, T type spout, filter layer, cleaning door inner end is equipped with and is used for the installation the multilayer T type spout of multilayer filter layer, T type spout level sets up and seals one end opening along its length direction one end, the one end that the filter layer is close to cleaning door is equipped with second T type slider, two shoulders of second T type slider pass T type spout opening with second T type slider slidable mounting in the T type spout, connect behind the T type mouth of T type spout is worn out to the body of second T type slider the filter layer.

Furthermore, the front end of the shell is provided with a plurality of groups of elastic clamping blocks for fixing the cleaning door, the edge of the cleaning door is provided with clamping grooves matched with the elastic clamping blocks, one end of each elastic clamping block is rotatably arranged on the shell, and the other end of each elastic clamping block is clamped in the corresponding clamping groove.

Further, the middle part of the inner end of the shell is a cuboid cavity, the multiple filter layers are located in the cuboid cavity, and the air inlet and the air outlet, which face the cuboid cavity, are of gradually shrinking structures.

Further, the filter layer comprises a first oil net layer, a filter net layer and a second oil net layer from top to bottom, and the mesh aperture sizes of the first oil net layer, the filter net layer and the second oil net layer are gradually decreased.

Further, the front end of the cleaning door is provided with a handle, and the outer surface of the handle is wrapped with an anti-skid rubber sleeve.

Furthermore, flange plates are arranged at the air inlet and the air outlet.

The utility model has the advantages that:

1. compared with the prior art, the utility model discloses a cooperation that sets up first T type slider and U type spout is in order to make things convenient for the installation and the dismantlement of multilayer filter layer in the casing, and cooperation through setting up second T type slider and T type spout is in order to make things convenient for the installation and the dismantlement of multilayer filter layer at the cleaning door to dismantle each layer filter layer alone respectively with the convenience and wash or change.

2. The utility model discloses in, through the cooperation of elasticity fixture block and draw-in groove to in with multilayer filter layer and clearance door fixed mounting in the casing, for passing through the fix with screw among the prior art, the utility model discloses a fixed mode is more simple, and convenient operation.

Drawings

Fig. 1 is an internal schematic view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a side view of the multi-layer filter of the present invention installed behind a cleaning door;

reference numerals:

1. a housing; 11. an air inlet; 12. an air outlet; 13. clearing a doorway; 14. a U-shaped chute; 15. an elastic clamping block; 16. a flange plate; 2. a filter layer; 21. a first T-shaped slider; 22. a second T-shaped slider; 23. a first oil screen layer; 24. a filter screen layer; 25. a second oil screen layer; 3. cleaning the door; 31. a T-shaped chute; 31. a handle.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings, so as to fully understand the objects, the features, and the effects of the present invention.

Example 1

An oil net dust filter for civil air defense engineering is shown in figures 1-4 and comprises a shell 1, a plurality of filter layers 2 and a cleaning door 3; the interior of the shell 1 penetrates up and down, the top end of the shell is provided with an air inlet 11, the bottom end of the shell is provided with an air outlet 12, the front end of the shell is provided with a cleaning door 13, and the cleaning door 3 is detachably mounted at the cleaning door 13;

the left side wall and the right side wall of the inner end of the cleaning doorway 13 are provided with a plurality of layers of U-shaped chutes 14 used for installing a plurality of layers of filter layers 2, the U-shaped chutes 14 are horizontally arranged, the left end and the right end of each filter layer 2 are respectively provided with a first T-shaped sliding block 21, the body part of each first T-shaped sliding block 21 is slidably arranged in each U-shaped chute 14, and two shoulders of each first T-shaped sliding block abut against the side wall of each U-shaped chute 14; the inner of clearance door 3 is equipped with the multilayer T type spout 31 that is used for installing multilayer filter layer 2, and T type spout 31 level sets up and seals one end opening along its length direction one end, and the one end that filter layer 2 is close to clearance door 3 is equipped with second T type slider 22, and the two shoulders of second T type slider 22 pass 14 openings of T type spout and with second T type slider 22 slidable mounting in T type spout 31, and the T type mouth back connection filter layer 2 of T type spout 31 is worn out to second T type slider 22's body portion.

In the embodiment, the first T-shaped sliding block 21 on the filter layer 2 is slidably mounted in the U-shaped sliding groove 14, so that the multi-layer filter layer 2 can be conveniently mounted and dismounted in the shell 1; two shoulders of the first T-shaped sliding block 21 are abutted against the side wall of the U-shaped sliding groove 14, so that the first T-shaped sliding block 21 is installed in a sliding manner; the second T-shaped sliding block 22 on the filter layer is slidably arranged in the T-shaped sliding groove 31 of the cleaning door 3, so that the multi-layer filter layer 2 can be conveniently arranged and disassembled on the cleaning door 3. The multilayer filter layer 2 is pulled out through the cleaning door 3, and then each filter layer 2 is detached, so that the filter layers 2 are convenient to clean or replace.

Example 2

In this embodiment, a further improvement is made on the basis of embodiment 1, as shown in fig. 2, the front end of the housing 1 is provided with a plurality of groups of elastic clamping blocks 15 for fixing the cleaning door 3, the edge of the cleaning door 3 is provided with clamping grooves adapted to the elastic clamping blocks 15, one end of each elastic clamping block 15 is rotatably installed on the housing 1, and the other end of each elastic clamping block is clamped in the clamping groove. The front end of the cleaning door 3 is provided with a handle 32, and the outer surface of the handle 32 is wrapped with an anti-slip rubber sleeve.

The cleaning door in the prior art is fixed in the shell through screws, so that time and labor are wasted in disassembly, and the work efficiency in maintenance is reduced. This embodiment adopts elasticity fixture block 15 fixed, and elasticity fixture block 15 block is at draw-in groove internal fixation clearance door 3 during normal use, when needing to open clearance door 3, and rotatory elasticity fixture block 15 makes its no longer block in the draw-in groove, is no longer keeping off clearance door 3 simultaneously, alright pull out clearance door 3 through outside pull handle 32, and then take out inner multilayer filter layer 2 and dismantle the washing, convenient operation.

Example 3

The embodiment is further improved on the basis of the embodiment 2, as shown in fig. 1-3, the middle part of the inner end of the shell 1 is a cuboid cavity, the multiple layers of filter layers 2 are all located in the cuboid cavity, and the air inlet 11 and the air outlet 12 of the cuboid cavity are both in gradually contracting structures so as to reduce the air speed in the cuboid cavity and further facilitate the filtering operation. The air inlet 11 and the air outlet 12 are both provided with flanges 16 so as to install the oil screen dust filter on the ventilation pipeline.

Example 4

This embodiment is further improved on the basis of embodiment 3, as shown in fig. 1 and 4, the filter layer 2 includes a first oil screen layer 23, a filter screen layer 24 and a second oil screen layer 25 from top to bottom, so as to perform graded filtering on air, and reduce the problem that the cleaning frequency is too high after a single oil screen is used for a long time; first oil pocket layer 23, filter pocket layer 24 and second oil pocket layer 25's mesh aperture size progressively reduces in proper order, filters the dust impurity of different granule sizes in proper order, and more effectual granule size dust impurity to every specification is categorised, and the follow-up clearance of being convenient for reduces the follow-up clearance degree of difficulty, improves filtration efficiency.

For better understanding, the utility model discloses, following is to the theory of operation of the utility model make a complete description:

when the dust filter is used, the oil screen dust filter is arranged on the ventilation pipeline through the upper flange plate 16 and the lower flange plate 16, air enters the shell 1 through the air inlet 11, is subjected to classified filtration through the first oil screen layer 23, the filter screen layer 24 and the second oil screen layer 25, and finally enters the next pipeline from the air outlet 12.

When using a period of time and needing to wash filter layer 2, rotatory elasticity fixture block 15 makes it no longer block in the draw-in groove, no longer keeps off cleaning door 3 simultaneously, alright pull out cleaning door 3 through outside handle 32, and then take out inner multilayer filter layer 2, it is specific, slide in U type spout 14 through making first T type slider 21 on filter layer 2 to roll-off U type spout 14, dismantle multilayer filter layer 2 and cleaning door 3 from casing 1.

After the multi-layer filter layer 2 and the cleaning door 3 are disassembled, the cleaning door 3 is fixed, the filter layer 2 is pulled, the second T-shaped sliding block 22 on the filter layer 2 slides in the T-shaped sliding groove 31 and slides out of the T-shaped sliding groove 31, and therefore each layer of filter layer 2 is disassembled from the cleaning door 3 to be cleaned independently.

The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and the equivalents or substitutions are included in the scope of the present invention defined by the claims.

Claims (6)

1. The utility model provides an oil net dust filter for civil air defense engineering which characterized in that: comprises a shell (1), a plurality of filter layers (2) and a cleaning door (3); the interior of the shell (1) penetrates through the shell up and down, the top end of the shell is provided with an air inlet (11), the bottom end of the shell is provided with an air outlet (12), the front end of the shell is provided with a cleaning door opening (13), and the cleaning door (3) is detachably mounted at the cleaning door opening (13);

a plurality of layers of U-shaped sliding grooves (14) for mounting the plurality of layers of filtering layers (2) are formed in the left side wall and the right side wall of the inner end of the cleaning doorway (13), the U-shaped sliding grooves (14) are horizontally arranged, first T-shaped sliding blocks (21) are arranged at the left end and the right end of each filtering layer (2), the bodies of the first T-shaped sliding blocks (21) are slidably mounted in the U-shaped sliding grooves (14), and two shoulders of each first T-shaped sliding block abut against the side walls of the U-shaped sliding grooves (14); the inner multilayer T type spout (31) that is equipped with of clearance door (3) is used for the installation the multilayer filter layer (2), T type spout (31) level sets up and seals one end opening along its length direction one end, the one end that filter layer (2) are close to clearance door (3) is equipped with second T type slider (22), two shoulders of second T type slider (22) pass T type spout (31) opening with second T type slider (22) slidable mounting in T type spout (31), connect behind the T type mouth of T type spout (31) is worn out to the body portion of second T type slider (22) filter layer (2).

2. The civil air defense engineering oil screen dust filter of claim 1, wherein: the cleaning door is characterized in that a plurality of groups of elastic clamping blocks (15) used for fixing the cleaning door (3) are arranged at the front end of the shell (1), clamping grooves matched with the elastic clamping blocks (15) are formed in the edge of the cleaning door (3), one end of each elastic clamping block (15) is rotatably installed on the shell (1), and the other end of each elastic clamping block is clamped in the corresponding clamping groove.

3. The civil air defense engineering oil screen dust filter of claim 1, wherein: casing (1) inner middle part is the cuboid cavity, multilayer filter layer (2) all are located in the cuboid cavity, air intake (11) and air outlet (12) that the cuboid cavity is decurrent all are gradually constriction structure.

4. The civil air defense engineering oil screen dust filter of claim 1, wherein: the filter layer (2) comprises a first oil net layer (23), a filter net layer (24) and a second oil net layer (25) from top to bottom, and the mesh aperture sizes of the first oil net layer (23), the filter net layer (24) and the second oil net layer (25) are sequentially reduced.

5. The civil air defense engineering oil screen dust filter of claim 1, wherein: the cleaning door is characterized in that a handle (32) is arranged at the front end of the cleaning door (3), and an anti-slip rubber sleeve is wrapped on the outer surface of the handle (32).

6. The civil air defense engineering oil screen dust filter of claim 1, wherein: and flange plates (16) are arranged at the air inlet (11) and the air outlet (12).

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