CN216924670U

CN216924670U - Laminar flow hood device for air filtration

Info

Publication number: CN216924670U
Application number: CN202220551966.4U
Authority: CN
Inventors: 欧金红
Original assignee: Shenzhen Saiweilihua Purification Technology Co ltd
Current assignee: Shenzhen Saiweilihua Purification Technology Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-08
Anticipated expiration: 2032-03-11

Abstract

The application discloses a laminar flow hood device for air filtration, which relates to the technical field of air purification and solves the problems that dust is easy to accumulate on a filter screen of an air inlet of the conventional laminar flow hood and the air inlet efficiency of the whole device is seriously affected if the dust is not treated in time; the inside of air inlet casing rotates installs the screw rod, the top fixed mounting of air inlet casing has the motor, the output of motor and the top fixed connection of screw rod. This application drives the screw rod through the rotation of motor output and rotates, under the limiting displacement of sliding sleeve and slide bar for the swivel nut drives the clearance brush and reciprocates, thereby realizes clearing up the dust on first filter screen surface, has guaranteed the air inlet efficiency of whole device.

Description

Laminar flow hood device for air filtration

Technical Field

The application relates to the field of air purification, in particular to a laminar flow hood device for air filtration.

Background

The laminar flow cover is a cleaning device commonly used in the air purification industry, can be flexibly installed above a process point needing high cleanliness, can highly clean a local environment, namely absorbs air in a space, is sent out through a filter at a certain wind speed by a fan and is subjected to pressure equalizing by a damping layer to form a flow equalizing layer, so that the clean air is sent into a target area in a vertical laminar flow type airflow, and the cleanliness of the certain area is ensured to meet the requirement; the laminar flow hood can be used singly or a plurality of laminar flow hoods can be combined into a strip-shaped clean area.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, dust is easy to accumulate on a filter screen of an air inlet of the existing laminar flow hood, and if the dust is not processed in time, the air inlet efficiency of the whole device can be seriously influenced. Accordingly, a laminar flow hood device for air filtration is proposed.

SUMMERY OF THE UTILITY MODEL

In order to improve and easily pile up the dust on the filter screen of current laminar flow cover air intake, if not handle in time, can seriously influence the problem of the air inlet efficiency of whole device, this application provides a laminar flow cover device for filtration.

The application provides a laminar flow hood device for filtration adopts following technical scheme:

a laminar flow hood device for air filtration comprises a device shell, wherein an exhaust fan is fixedly installed inside the device shell, air inlet shells are fixedly installed on two sides of the top of the device shell, a first filter screen is fixedly installed inside the air inlet shells, and a purification assembly is fixedly installed at the bottom of the device shell;

the utility model discloses a cleaning brush, including the air inlet casing, the inside of air inlet casing rotates and installs the screw rod, the top fixed mounting of air inlet casing has the motor, the output of motor and the top fixed connection of screw rod, the surface threaded connection of screw rod has the swivel nut, one side fixed mounting that the swivel nut is close to first filter screen has the cleaning brush, the surface contact of cleaning brush and first filter screen, one side fixedly connected with sliding sleeve of cleaning brush, the inside fixed mounting of air inlet casing has the slide bar, sliding sleeve is on the surface of slide bar.

Through adopting above-mentioned technical scheme, the rotation of motor output drives the screw rod and rotates, under the limiting displacement of sliding sleeve and slide bar for the swivel nut drives the cleaning brush and reciprocates, thereby realizes clearing up the dust on first filter screen surface, has guaranteed the air inlet efficiency of whole device.

Optionally, a plurality of ultraviolet disinfection lamps are fixedly installed inside the device shell and below the exhaust fan.

Through adopting above-mentioned technical scheme, the setting of ultraviolet ray disinfection lamp can disinfect to the air that the air exhauster blew out.

Optionally, the bottom of the device housing is in threaded connection with an installation housing, and the purification assembly is installed inside the installation housing.

Through adopting above-mentioned technical scheme, the setting of this kind of structure is conveniently dismantled the installation casing to the convenience is changed the purification subassembly of inside.

Optionally, the bottom of the installation shell is fixedly provided with a second filter screen below the purification assembly.

Through adopting above-mentioned technical scheme, the setting of second filter screen can protect the bottom of purifying the subassembly, and the dust that is difficult for making in the outside air is attached to on purifying the subassembly.

Optionally, a plurality of rotating rods are fixedly mounted on the outer surface of the mounting shell.

Through adopting above-mentioned technical scheme, the setting of dwang is being demolishd or is being installed the device casing when, is convenient for rotate the installation casing.

Optionally, the bottom fixed mounting of air inlet casing has a collection dirt casing, through the through-hole intercommunication between collection dirt casing and the air inlet casing, the control valve is installed to the bottom of collection dirt casing.

Through adopting above-mentioned technical scheme, when the cleaning brush was to the surface cleaning of first filter screen, the dust fell into the setting to the collection dirt casing through the through-hole, realized the collection to the dust, can conveniently discharge the inside dust of collection dirt casing through opening the control valve.

Optionally, an observation window is fixedly mounted on a side surface of the dust collection housing.

By adopting the technical scheme.

Optionally, a plurality of balls are rotatably mounted on the inner wall of the sliding sleeve, and the surfaces of the balls are in contact with the surface of the sliding rod.

Through adopting above-mentioned technical scheme, the setting of observation window can conveniently observe the inside condition of collection dirt casing.

In summary, the present application has the following beneficial effects:

this application drives the screw rod through the rotation of motor output and rotates, under the limiting displacement of sliding sleeve and slide bar for the swivel nut drives the clearance brush and reciprocates, thereby realizes clearing up the dust on first filter screen surface, has guaranteed the air inlet efficiency of whole device, and the dust falls into the setting to collection dirt casing through the through-hole, realizes the collection to the dust, can conveniently discharge the inside dust of collection dirt casing through opening the control valve.

Drawings

FIG. 1 is a schematic sectional front view of the present application;

FIG. 2 is a side view of the air intake housing of the present application;

figure 3 is a schematic diagram of the sliding sleeve of the present application in a top view.

Description of reference numerals:

1. a device housing; 2. an exhaust fan; 3. an air inlet housing; 4. a first filter screen; 5. a purification assembly; 6. a screw; 7. a motor; 8. a threaded sleeve; 9. cleaning a brush; 10. a sliding sleeve; 11. a slide bar; 12. an ultraviolet disinfection lamp; 13. installing a shell; 14. a second filter screen; 15. rotating the rod; 16. a dust collecting housing; 17. a through hole; 18. a control valve; 19. an observation window; 20. and a ball.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1-2, a laminar flow hood device for air filtration includes a device housing 1, an exhaust fan 2 is fixedly installed inside the device housing 1, air inlet housings 3 are fixedly installed on both sides of the top of the device housing 1, and the exhaust fan 2 sucks external air into the device housing 1 through the air inlet housings 3. The inside fixed mounting of air inlet casing 3 has first filter screen 4, and first filter screen 4 can filter the interception to the dust in the outside air. The inside below fixed mounting that is located air exhauster 2 of device casing 1 has a plurality of ultraviolet ray disinfection lamp 12, and the setting of ultraviolet ray disinfection lamp 12 can disinfect to the air that air exhauster 2 blew out. The bottom fixed mounting of device casing 1 has purification subassembly 5, and purification subassembly 5 comprises including nanometer silver sterilization net, active carbon filter screen and HEPA filter pulp, can be to the air purification that air exhauster 2 blew out.

Referring to fig. 1, the bottom of the device housing 1 is connected with the mounting housing 13 through a thread, and the purifying assembly 5 is mounted inside the mounting housing 13, so that the mounting housing 13 is convenient to detach, and the purifying assembly 5 inside is convenient to replace. The outer fixed surface of installation casing 13 installs a plurality of dwang 15, and the setting of dwang 15 is being convenient for rotate installation casing 13 when demolising or installing device casing 1. The installation casing 13 bottom is located the below fixed mounting who purifies subassembly 5 has second filter screen 14, and the setting of second filter screen 14 can protect the bottom that purifies subassembly 5, and the dust that is difficult for making in the outside air is on purifying subassembly 5.

Referring to fig. 1-3, a screw 6 is rotatably mounted inside the air inlet housing 3, a motor 7 is fixedly mounted at the top of the air inlet housing 3, an output end of the motor 7 is fixedly connected with the top of the screw 6, and the rotation of the output end of the motor 7 can drive the screw 6 to rotate. The surface threaded connection of screw rod 6 has swivel nut 8, one side fixed mounting that swivel nut 8 is close to first filter screen 4 has cleaning brush 9, cleaning brush 9 and first filter screen 4's surface contact, one side fixedly connected with sliding sleeve 10 of cleaning brush 9, the inside fixed mounting of air inlet casing 3 has slide bar 11, sliding sleeve 10 slip suit is on the surface of slide bar 11, when screw rod 6 rotates, under sliding sleeve 10 and slide bar 11's limiting displacement, make swivel nut 8 drive cleaning brush 9 reciprocate, thereby realize clearing up the dust on first filter screen 4 surface, the air inlet efficiency of whole device has been guaranteed. The inner wall of the sliding sleeve 10 is rotatably provided with a plurality of balls 20, the surface of the ball 20 is in contact with the surface of the sliding rod 11, and the arrangement of the balls 20 reduces the friction force between the sliding sleeve 10 and the sliding rod 11.

Referring to fig. 1, the bottom of the air inlet housing 3 is fixedly provided with a dust collecting housing 16, the dust collecting housing 16 is communicated with the air inlet housing 3 through a through hole 17, the bottom of the dust collecting housing 16 is provided with a control valve 18, when the cleaning brush 9 cleans the surface of the first filter screen 4, the dust falls into the dust collecting housing 16 through the through hole 17, the dust is collected, and the dust inside the dust collecting housing 16 can be conveniently discharged by opening the control valve 18. An observation window 19 is fixedly arranged on the side surface of the dust collection shell 16 of the cleaning brush 9, and the arrangement of the observation window 19 can conveniently observe the condition in the dust collection shell 16.

The implementation principle of the application is as follows: the rotation through motor 7 output drives screw rod 6 and rotates, under the limiting displacement of sliding sleeve 10 and slide bar 11 for swivel nut 8 drives cleaning brush 9 and reciprocates, thereby realizes clearing up the dust on first filter screen 4 surface, has guaranteed the air inlet efficiency of whole device, and the dust falls into the setting to collection dirt casing 16 through-hole 17, realizes the collection to the dust, can conveniently discharge the inside dust of collection dirt casing 16 through opening control valve 18.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A laminar flow hood device for air filtration, comprising a device housing (1), characterized in that: an exhaust fan (2) is fixedly installed inside the device shell (1), air inlet shells (3) are fixedly installed on two sides of the top of the device shell (1), a first filter screen (4) is fixedly installed inside the air inlet shells (3), and a purification assembly (5) is fixedly installed at the bottom of the device shell (1);

screw rod (6) are installed in the inside rotation of air inlet casing (3), the top fixed mounting of air inlet casing (3) has motor (7), the output of motor (7) and the top fixed connection of screw rod (6), the surface threaded connection of screw rod (6) has swivel nut (8), one side fixed mounting that swivel nut (8) are close to first filter screen (4) has cleaning brush (9), cleaning brush (9) and the surface contact of first filter screen (4), one side fixedly connected with sliding sleeve (10) of cleaning brush (9), the inside fixed mounting of air inlet casing (3) has slide bar (11), sliding sleeve (10) sliding sleeve is on the surface of slide bar (11).

2. A laminar flow hood apparatus for air filtration according to claim 1, characterized in that: a plurality of ultraviolet disinfection lamps (12) are fixedly arranged in the device shell (1) and are positioned below the exhaust fan (2).

3. A laminar flow hood apparatus for air filtration according to claim 1, characterized in that: the bottom of the device shell (1) is in threaded connection with an installation shell (13), and the purification assembly (5) is installed inside the installation shell (13).

4. A laminar flow hood apparatus for air filtration according to claim 3, characterized in that: and a second filter screen (14) is fixedly arranged at the bottom of the mounting shell (13) and below the purification component (5).

5. A laminar flow hood apparatus for air filtration according to claim 3, characterized in that: the outer fixed surface of installation casing (13) installs a plurality of dwang (15).

6. A laminar flow hood apparatus for air filtration according to claim 1, characterized in that: the bottom fixed mounting of air inlet casing (3) has collection dirt casing (16), through-hole (17) intercommunication between collection dirt casing (16) and the air inlet casing (3), control valve (18) are installed to the bottom of collection dirt casing (16).

7. A laminar flow hood apparatus for air filtration according to claim 6, characterized in that: an observation window (19) is fixedly arranged on the side surface of the dust collection shell (16).

8. A laminar flow hood apparatus for air filtration according to claim 1, characterized in that: the inner wall of the sliding sleeve (10) is rotatably provided with a plurality of balls (20), and the surfaces of the balls (20) are in contact with the surface of the sliding rod (11).