Building ventilation device with filtering function

Abstract

The utility model discloses a building ventilation device with a filtering function, which relates to the technical field of building ventilation, and comprises a barrel body, a filter screen barrel and a ventilation pipe, the barrel body is provided with a plurality of separation blades which are equidistantly arranged from top to bottom, connecting rods are arranged between every two vertically adjacent separation blades and between the separation blades and the barrel body, and the filter screen barrel is arranged on the barrel body. Two adjacent separation blades are fixed through connecting rods, the separation blades and the barrel are fixed through connecting rods, a filter screen barrel is arranged between the separation blades, a threaded base is installed at the bottom of the filter screen barrel and is in threaded connection with a threaded opening formed in the barrel, one end of the ventilation pipe penetrates through the separation blade on the uppermost layer to be communicated with the filter screen barrel, and the other end of the ventilation pipe penetrates through the separation blade on the uppermost layer to be communicated with the filter screen barrel. According to the utility model, the laminated separation blades are arranged, so that the separation blades can carry out water retaining and anti-collision protection on the filter screen cylinder, and the filter screen cylinder is prevented from being rusted and damaged due to rainwater erosion and being damaged due to collision in the use process, so that the aim of prolonging the service life of the filter screen cylinder is fulfilled.

Description

TECHNICAL FIELD

[0001] The utility model relates to building ventilation technical field, concretely is a kind of building ventilation device with filtering function. BACKGROUND

[0002] Building ventilation device is an important means to improve the air environment in building, it is to building air in building directly or after purification exhaust to building outside, take away the heat and dirty air in corridor, then fresh air is replenished, so that the air environment in building meets the needs of health standards.

[0003] The existing building ventilation device when sending air to building, its air inlet is usually installed filter screen to filter dust and impurities in external air, by searching, patent authorized announcement No.CN 218328512 U discloses a kind of building ventilation device, wherein, "including box, the inner wall of the box is installed fan, the surface of the box is installed filter cloth, the surface of the box is equipped with replacement device" is recorded, but its filter cloth is installed on the surface of box can cause filter cloth to be easily wetted by rain, acidic substances in rain can easily corrode filter cloth, cause it to be easily damaged, also easily be damaged by external object scratch or impact. SUMMARY

[0004] The utility model aims at providing a kind of building ventilation device with filtering function to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of building ventilation device with filtering function, including cylinder, filter screen cylinder and ventilation pipe, the cylinder is provided with baffle, the baffle is set at equal intervals from top to bottom with several, the baffle between two adjacent upper and lower and the baffle and cylinder are all provided with connecting rod, and the baffle between two adjacent and the baffle and cylinder are all fixed by connecting rod, the baffle middle is provided with filter screen cylinder, the filter screen cylinder bottom is installed with threaded base, the threaded base is connected in screw thread with the thread opening of the cylinder, the ventilation pipe one end passes through the uppermost baffle and is communicated with filter screen cylinder, the ventilation pipe is installed with odor adsorption box, the odor adsorption box is provided with groove frame, activated carbon and activated carbon plate frame, the ventilation pipe other end is sealedly connected with the air inlet of exhaust fan installed on building wall.

[0007] As a further scheme of the utility model: the baffle is annular, and annular mouth is set in the middle, the diameter of annular mouth is greater than the outer diameter of filter screen cylinder.

[0008] As a further scheme of the utility model: the outer edge of the baffle is designed as downward inclination.

[0009] As a further scheme of the utility model: the barrel side is equipped with an operation port for conveniently taking out the filter screen barrel.

[0010] As a further scheme of the utility model: the odor adsorption box is internally staggered with a plurality of activated carbons, the activated carbons are installed in activated carbon plate frames, the activated carbon plate frames are inserted in the slot frames correspondingly arranged, handles are installed on the outer end faces of the activated carbon plate frames, and the odor adsorption box side wall is equipped with a socket for conveniently inserting the activated carbon plate frame into the odor adsorption box.

[0011] As a further scheme of the utility model: the top end of the filter screen barrel abuts on the uppermost baffle.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a filter screen barrel is protected by the baffle, so that the filter screen barrel is prevented from being damaged by rain erosion and collision, thereby prolonging the service life of the filter screen barrel.

[0014] 2. The utility model discloses a detachable filter screen barrel arranged in the baffle, which facilitates regular dismounting, cleaning and maintenance of the filter screen barrel while filtering the air entering the building, thereby making the utility model more convenient to maintain.

[0015] 3. The utility model discloses a ring-shaped baffle, so that the external air can enter the filter screen barrel from almost all directions, thereby realizing multi-directional air intake and making the ventilation more smooth.

[0016] 4. The utility model discloses an adsorption box, and the activated carbons are staggered and distributed in the adsorption box, so that the activated carbons can adsorb the odor in the air, thereby realizing the odor removal effect of the air entering the building. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of a building ventilation device with a filtering function.

[0018] Figure 2 It is a whole appearance view of a building ventilation device with a filtering function.

[0019] Figure 3 It is a building ventilation device with a filtering function Figure 2 It is a sectional view of the middle baffle.

[0020] 1, cylinder; 2, filter screen cylinder; 3, threaded base; 4, baffle; 5, connecting rod; 6, handle; 7, ventilation pipe; 8, odor adsorption box; 9, groove frame; 10, activated carbon; 11, activated carbon plate frame; 12, handle; 13, socket; 14, operation port; 15, exhaust fan. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-3 In the embodiments of the utility model, a building ventilation device with filtering function comprises a cylinder 1, a filter screen cylinder 2 and a ventilation pipe 7. The cylinder 1 can be partially buried underground to keep it stable, or it can be installed on the ground on a pre-set foundation. The cylinder 1 is provided with baffles 4. The baffles 4 are arranged at equal distances from top to bottom. Connecting rods 5 are arranged between two adjacent baffles 4 and between the baffles 4 and the cylinder 1. The two adjacent baffles 4 and the baffles 4 and the cylinder 1 are fixed by the connecting rods 5.

[0023] The baffle 4 is annular, and a ring-shaped opening is formed in the middle. The diameter of the ring-shaped opening is larger than the outer diameter of the filter screen cylinder 2. This design can prevent the baffle 4 from scraping off the dust and impurities adhered to the filter screen cylinder 2 and falling on the baffle 4 when the filter screen cylinder 2 is disassembled, so that the cleaning is not convenient.

[0024] The outer edge of the baffle 4 is designed to be downwardly inclined. This design can achieve the diversion of rainwater and is convenient for shielding oblique rainwater, thereby improving the rain shielding effect of the filter screen cylinder 2.

[0025] Please refer to Figures 1-2 The filter screen cylinder 2 is arranged in the middle of the baffle 4. The threaded base 3 is installed at the bottom of the filter screen cylinder 2. The threaded base 3 is threadedly connected with the threaded opening formed in the cylinder 1. The handle 6 is installed at the bottom of the threaded base 3. The handle 6 is arranged to facilitate personnel to rotate the threaded base 3. One end of the ventilation pipe 7 penetrates the uppermost baffle 4 and communicates with the filter screen cylinder 2. The other end of the ventilation pipe 7 is sealingly connected with the air inlet of the exhaust fan 15 installed on the building wall. The operation port 14 is formed in the side surface of the cylinder 1 to facilitate the removal of the filter screen cylinder 2. The operation port 14 is arranged to facilitate personnel to put their hands into the cylinder 1 and remove the filter screen cylinder 2 for cleaning.

[0026] The top end of the filter screen cylinder 2 abuts against the uppermost baffle 4, which is designed to seal the filter screen cylinder 2 and the uppermost baffle 4, and better ensure the air filtering effect

[0027] Please refer to Figures 1-2 The odor adsorption box 8 is provided with a plurality of active carbon 10 arranged alternately in up and down directions, the active carbon 10 is installed in the active carbon plate frame 11, the active carbon plate frame 11 is inserted into the groove frame 9 arranged correspondingly in up and down directions, and the handle 12 is installed on the outer end surface of the active carbon plate frame 11.

[0028] The outer frame surface of the active carbon plate frame 11 is provided with a screw, and the active carbon plate frame 11 is fixed and sealed with the odor adsorption box 8 through the screw.

[0029] The working principle of the utility model is as follows:

[0030] When in use, the air suction fan 15 is started, the external air enters the filter screen cylinder 2 through the gap between the adjacent two baffles 4, the dust and impurities in the air are intercepted and retained outside by the filter screen cylinder 2, the clean air enters the odor adsorption box 8 through the ventilation pipe 7, the active carbon 10 in the odor adsorption box 8 adsorbs the odor in the air, then the air is sent into the building, and the air is discharged from other areas in the building to realize building ventilation.

[0031] Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A building ventilation device with filtering function, comprising a cylinder (1), a filter screen cylinder (2) and a ventilation pipe (7), characterized in that: The barrel (1) is provided with a baffle (4), the baffle (4) is provided with several equidistantly from top to bottom, the upper and lower adjacent two baffles (4) and the baffle (4) and the barrel (1) are provided with connecting rods (5), and the adjacent two baffles (4) and the baffle (4) and the barrel (1) are fixed through the connecting rods (5), the baffle (4) is provided with a filter screen cylinder (2), the filter screen cylinder (2) is provided with a threaded base (3) at the bottom, the threaded base (3) is screwed with the threaded opening of the barrel (1), one end of the ventilation pipe (7) communicates with the filter screen cylinder (2) through the uppermost baffle (4), the ventilation pipe (7) is provided with an odor adsorption box (8), the odor adsorption box (8) is provided with a groove frame (9), activated carbon (10) and activated carbon plate frame (11), the other end of the ventilation pipe (7) is sealingly connected with the air inlet of the exhaust fan (15) installed on the building wall.

2. The building ventilation device with filtering function according to claim 1, characterized in that: The baffle (4) is annular, and a ring-shaped opening is formed in the middle, and the diameter of the ring-shaped opening is larger than the outer diameter of the filter screen cylinder (2).

3. The building ventilation device with filtering function according to claim 1, characterized in that: The outer edge of the baffle (4) is designed in a downward inclined shape.

4. The building ventilation device with filtering function according to claim 1, characterized in that: The barrel (1) is provided with an operation port (14) on the side surface for conveniently taking out the filter screen cylinder (2).

5. The building ventilation device with filtering function according to claim 1, characterized in that: The odor adsorption box (8) is provided with a plurality of activated carbons (10) staggered up and down, the activated carbons (10) are installed in the activated carbon plate frame (11), the activated carbon plate frame (11) is inserted into the groove frame (9) arranged correspondingly up and down, the handle (12) is installed on the outer end face of the activated carbon plate frame (11), and the side wall of the odor adsorption box (8) is provided with a socket (13) for conveniently inserting the activated carbon plate frame (11) into the odor adsorption box (8).

6. The building ventilation device with filtering function according to claim 1, characterized in that: The top end of the filter screen cylinder (2) abuts against the uppermost baffle (4).

Images