CN215955729U

CN215955729U - Rainproof filter screen set for exhaust fan of power distribution cabinet

Info

Publication number: CN215955729U
Application number: CN202121592420.5U
Authority: CN
Inventors: 潘杰
Original assignee: Jiangsu Wenbuluo Wiring Equipment Co ltd
Current assignee: Jiangsu Wenbuluo Wiring Equipment Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-03-04
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a rainproof filter screen set for an exhaust fan of a power distribution cabinet, which relates to the technical field of filter screen sets and comprises a shell, wherein an antistatic layer, an ultrafiltration layer and a metal layer are fixedly connected to the inner wall of the shell, the rainproof filter screen set also comprises a linkage component for opening and closing an air vent, mounting plates are fixedly connected to two sides of the shell, threaded holes are formed in the two mounting plates, bolts are in threaded connection with the inner walls of the two threaded holes, the metal layer is a metal filter screen, the linkage component comprises a rotating shaft which is rotatably connected to the inner wall of the shell through a fixed shaft, a gear and a rotating plate are fixedly connected to the surface of the rotating shaft, a through groove for a rack row to pass through and be in sliding connection with is formed in the inner wall of the shell, and the rack row is meshed with the gear. The service life of the product is directly influenced.

Description

Rainproof filter screen set for exhaust fan of power distribution cabinet

Technical Field

The utility model relates to the technical field of filter screen sets, in particular to a rainproof filter screen set for an exhaust fan of a power distribution cabinet.

Background

A large amount of heat is often generated in electrical cabinet equipment due to the operation of the electronic equipment, and a ventilated filter screen group is installed in the electrical cabinet for ventilation and heat dissipation.

But present filter screen group installation is unstable, drops easily, and the filter screen group of current ventilation simultaneously can not waterproof dustproof, can make product quality impaired in the rainy day, directly influences the product life-span, and it causes electrical equipment to damage to intake easily in the rainy day.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rainproof filter screen set for an exhaust fan of a power distribution cabinet, which has the effects of preventing rain in rainy days, ventilating in sunny days and filtering particles such as dust and the like, and solves the problems that the traditional product cannot be waterproof and dustproof, the product quality is damaged in rainy days, and the service life of the product is directly influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rainproof switch board filter screen group for exhaust fan, includes the casing, the inner wall fixedly connected with antistatic backing, ultrafiltration layer and the metal level of casing are still including the linkage part that is used for opening and closing the blow vent, the both sides fixedly connected with mounting panel of casing, two the mounting panel is all set up threaded hole, two the equal threaded connection of inner wall of screw hole has the bolt, the metal level is metal filters.

Optionally, the linkage part includes that the dead axle rotates to be connected shells inner wall's pivot, the fixed surface of pivot is connected with the gear and changes the board, the inner wall of casing is offered and is used for the rack row to pass and sliding connection's logical groove with it, the rack row with gear meshes mutually, through-hole one and through-hole two have been seted up on the surface of rack row, the fixed surface of casing is connected with the fixed plate, the surface of fixed plate is offered and is used for the inserted bar to pass and sliding connection's through-hole three with it, the left end of inserted bar with the common fixedly connected with spring in surface of fixed plate.

Optionally, a cleaning opening is formed in the surface of the housing.

Optionally, a waterproof gasket is fixedly connected to the surface of the housing.

Optionally, the antistatic layer is an antistatic fiber material, and the antistatic layer is a net structure.

Optionally, the ultrafiltration layer is formed by stacking, the cross section of the ultrafiltration layer is wavy, the ultrafiltration layer is provided with glue lines, and the ultrafiltration layer is bonded by the glue lines after being folded.

Compared with the prior art, the utility model has the following beneficial effects:

the rack bar is pulled upwards to drive the gear to rotate, so that the rotating plate is driven to rotate ninety degrees, the inserted link is inserted into the second through hole to fix the rack bar, the rotating plate is fixed after rotating ninety degrees, so that the shell is ventilated, and in rainy days, the rack bar moves downwards to drive the rotating plate to rotate ninety degrees in the reverse direction, so that each rotating plate is leveled, and a plane is formed, thereby achieving the rainproof effect.

The anti-static layer is of a net structure made of anti-static fiber materials, static charges are difficult to gather, the anti-static layer can effectively block particles with static charges and prevent circuits from being caused on circuits in the power distribution cabinet, micro-dust objects smaller than or equal to 0.25um can be effectively blocked through the ultrafiltration layer, the purification efficiency is higher, and the particles can be efficiently reduced from entering the power distribution cabinet.

Drawings

FIG. 1 is an isometric view of a structure of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

fig. 3 is an enlarged view of the structure of fig. 2 according to the present invention at a.

In the figure: 1. a housing; 2. an antistatic layer; 3. an ultrafiltration layer; 4. a metal layer; 5. a rotating shaft; 6. a gear; 7. rotating the plate; 8. a rack row; 9. a fixing plate; 10. inserting a rod; 11. a spring; 12. mounting a plate; 13. a bolt; 14. cleaning the mouth; 15. a waterproof gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a rainproof switch board filter screen group for exhaust fan, which comprises a housin 1, the inner wall fixedly connected with antistatic backing 2 of casing 1, ultrafiltration layer 3 and metal level 4, still including the linkage part that is used for opening and closing the blow vent, the both sides fixedly connected with mounting panel 12 of casing 1, two mounting panels 12 all set up threaded hole, the equal threaded connection of inner wall of two screw holes has bolt 13, metal level 4 is metal filters, through bolt 13, can install casing 1 on the switch board, can be with under dust or large granule material direct filtration through metal level 4, can filter the micronic dust thing through ultrafiltration layer 3, can prevent through antistatic backing 2 that the dust leads to the circuit short circuit in the switch board, can realize rain-proof switch board and ventilation through the linkage part.

In order to realize that the power distribution cabinet can realize rain prevention and ventilation after the filter screen set is installed, further, the linkage component comprises a rotating shaft 5 which is rotatably connected to the inner wall of the shell 1 through a fixed shaft, a gear 6 and a rotating plate 7 are fixedly connected to the surface of the rotating shaft 5, a through groove which is used for a rack bar 8 to pass through and is in sliding connection with the rack bar 8 is formed in the inner wall of the shell 1, the rack bar 8 is meshed with the gear 6, a through hole I and a through hole II are formed in the surface of the rack bar 8, a fixing plate 9 is fixedly connected to the surface of the shell 1, a through hole III which is used for an inserted bar 10 to pass through and is in sliding connection with the fixing plate 9 is formed in the surface of the fixing plate 9, a spring 11 is fixedly connected to the left end of the inserted bar 10 and the surface of the fixing plate 9 together, the inserted bar 10 is pulled leftwards to move out of the through hole I, the spring 11 is changed from a free state to a compression state, and the rack bar 8 is pulled upwards to drive the gear 6 to rotate, through gear 6's rotation, drive pivot 5 and rotate, rotation through pivot 5, it rotates ninety degrees to drive commentaries on classics board 7, loosen inserted bar 10 this moment, spring 11 resets, drive inserted bar 10 and insert to two in the through-hole, fix rack row 8, rotated ninety degrees back through changeing board 7 and fixed, thereby realize the ventilation with casing 1, when rainy day, through moving down of rack row 8, drive and change board 7 reverse rotation ninety degrees, make each commentaries on classics board 7 flush, thereby form a plane, thereby play rain-proof effect.

In order to clear away the filtered substances in time, further, a cleaning opening 14 is formed in the surface of the shell 1, and large-particle dust and large-particle substances filtered by the metal layer 4 are directly separated and can be cleaned in time through the cleaning opening 14, so that the metal layer 4 is prevented from being blocked for a long time.

In order to prevent that there is the gap between good filter screen group of installation back, filter screen group and the switch board, further, the fixed surface of casing 1 is connected with waterproof sealing pad 15.

In order to prevent that the dust from leading to circuit short circuit in the switch board, further, antistatic backing 2 is antistatic fiber material, and antistatic backing 2 is network structure, and antistatic backing 2 can effectively block the particulate matter of taking the static.

In order to reduce the inside that the particulate matter got into the switch board, it is further that ultrafiltration layer 3 is range upon range of and forms, and the cross-section is the wave form, is equipped with gluey line on the ultrafiltration layer 3, and ultrafiltration layer 3 is glued by gluey line after folding, and ultrafiltration layer 3 can effectively separate the micronic dust thing of less than or equal to 0.25um, and purification efficiency is higher.

The working principle is as follows: when the rainproof filter screen set for the exhaust fan of the power distribution cabinet is used, the insertion rod 10 is pulled to the left side, the insertion rod 10 is moved out of the first through hole, the spring 11 is changed from a free state to a compression state, the rack row 8 is pulled upwards to drive the gear 6 to rotate, the rotating shaft 5 is driven to rotate through the rotation of the gear 6, the rotating plate 7 is driven to rotate ninety degrees through the rotation of the rotating shaft 5, the insertion rod 10 is loosened at the moment, the spring 11 is reset, the insertion rod 10 is driven to be inserted into the second through hole, the rack row 8 is fixed, and the rotating plate 7 is fixed after rotating ninety degrees, so that the shell 1 is ventilated;

the antistatic layer 2 is of a net structure made of antistatic fiber materials, static charges are difficult to gather, and the antistatic layer 2 can effectively block particles with static charges and prevent a circuit from being caused to a circuit in the power distribution cabinet;

the fine dust thing that ultrafiltration layer 3 can effective separation less than or equal to 0.25um, and purification efficiency is higher, can the efficient reduce the inside that the particulate matter got into the switch board.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rainproof filter screen group for switch board exhaust fan, includes casing (1), its characterized in that: the inner wall fixedly connected with antistatic backing (2), ultrafiltration layer (3) and metal level (4) of casing (1), still including the linkage part that is used for opening and closing the blow vent, both sides fixedly connected with mounting panel (12) of casing (1), two mounting panel (12) all set up threaded hole, two the equal threaded connection of inner wall of screw hole has bolt (13), metal level (4) are metal filters.

2. The rainproof filter screen set for the exhaust fan of the power distribution cabinet according to claim 1, and is characterized in that: the linkage part rotates including the dead axle to be connected pivot (5) of casing (1) inner wall, the fixed surface of pivot (5) is connected with gear (6) and commentaries on classics board (7), the inner wall of casing (1) is offered and is used for rack row (8) to pass and sliding connection's logical groove with it, rack row (8) with gear (6) mesh mutually, through-hole one and through-hole two have been seted up on the surface of rack row (8), the fixed surface of casing (1) is connected with fixed plate (9), the surface of fixed plate (9) is offered and is used for inserted bar (10) to pass and sliding connection's through-hole three with it, the left end of inserted bar (10) with the common fixedly connected with spring (11) in surface of fixed plate (9).

3. The rainproof filter screen set for the exhaust fan of the power distribution cabinet according to claim 2, and is characterized in that: the surface of the shell (1) is provided with a cleaning opening (14).

4. The rainproof filter screen set for the exhaust fan of the power distribution cabinet according to claim 3, and is characterized in that: the surface of the shell (1) is fixedly connected with a waterproof sealing gasket (15).

5. The rainproof filter screen set for the exhaust fan of the power distribution cabinet according to any one of claims 2 or 3, wherein: the antistatic layer (2) is made of antistatic fiber materials, and the antistatic layer (2) is of a net structure.

6. The rainproof filter screen set for the exhaust fans of the power distribution cabinet according to any one of claims 2, 3 or 4, wherein: the ultrafiltration layer (3) is formed by stacking, the cross section of the ultrafiltration layer is wavy, glue lines are arranged on the ultrafiltration layer (3), and the ultrafiltration layer (3) is bonded by the glue lines after being folded.