CN217401289U

CN217401289U - Centrifugal fan with air inlet safety interception mechanism

Info

Publication number: CN217401289U
Application number: CN202123297227.1U
Authority: CN
Inventors: 丁书宏; 夏正强
Original assignee: Taizhou Surk Electromechanical Equipment Co ltd
Current assignee: Taizhou Surk Electromechanical Equipment Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-09-09
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a centrifugal fan with air intake safety interception mechanism, which comprises a base, a fan shell, a ventilation switch component, a filtering and dedusting component and an exhaust pipe, wherein both ends of the upper surface of the base are provided with bolts, the fan shell is fixedly connected above the base, one end of the outer surface of the fan shell is provided with the ventilation switch component, the inner surface of the fan shell is provided with the filtering and dedusting component along one side of the ventilation switch component, the right end of the outer surface of the fan shell is provided with a motor, the left end of the motor is fixedly connected with a centrifugal impeller, one side of the outer surface of the fan shell is fixedly connected with the exhaust pipe, the electromagnet is electrified to attract the magnet to be pressed downwards to push a frame plate and a rod to be pressed downwards so that the blade window plate is rotated and opened, thereby the ventilation can be conveniently carried out, when the electromagnet is powered off, a spring rod can push the frame plate and the rod back to the original position so that the blade window plate is closed and the vent is closed, prevent dust and impurities from entering, and has good safety protection performance.

Description

Centrifugal fan with air inlet safety interception mechanism

Technical Field

The utility model relates to a fan technical field specifically is a centrifugal fan with air intake safety interception mechanism.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

However, the existing centrifugal fans have some defects, firstly, most of the centrifugal fans are not provided with a protective isolation device outside, so that impurity insects easily enter the fans, adverse effects are caused on the fans, meanwhile, the centrifugal fans are not provided with a protective isolation structure, personnel also have certain safety risks, and therefore the centrifugal fans with the air inlet safety interception mechanism are provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fan with air intake safety interception mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centrifugal fan with air intake safety interception mechanism, includes base, fan casing, ventilation switch subassembly, filters dust removal subassembly and exhaust pipe, base upper surface both ends all are equipped with the bolt, base top fixedly connected with fan casing, the ventilation switch subassembly is installed to fan casing surface one end, the fan casing internal surface is installed along ventilation switch subassembly one side and is filtered dust removal subassembly, the motor is installed to fan casing surface right-hand member, motor left end fixedly connected with centrifugal impeller, fan casing surface one side fixedly connected with exhaust pipe.

Preferably, the ventilation switch component further comprises an electromagnet, a spring rod, a magnet, a frame plate, a rod and a louver, the spring rod is arranged at the two ends of the electromagnet, the magnet is arranged above the electromagnet, the frame plate is fixedly connected to the outer surface of the magnet, the rod is arranged on the left side of the lower portion of the frame plate, and the louver is arranged on the left side of the rod.

Preferably, the dust filtering and removing component further comprises a dust removing motor, a belt, a brush plate, a filter screen and a dust collecting box, wherein the right end of the dust removing motor is rotatably connected with the belt, the inner surface of the belt is rotatably connected with the brush plate, the outer surface of the brush plate is slidably connected with the filter screen, and the dust collecting box is arranged below the filter screen.

Preferably, the lower left corner of the outer surface of the frame plate is fixedly connected with a sliding frame, and the middle of the sliding frame is connected with the rod in a sliding manner.

Preferably, a side rod is fixedly connected to the left side of the outer surface of the rod, and one end of the side rod is rotatably connected with a blade plate.

Preferably, the middle part of the brush plate is connected with a lantern ring in a sliding mode, and the outer surface of the lantern ring is fixedly connected with the inner surface of the fan shell.

Preferably, a sliver is arranged below the left side of the outer surface of the filter screen, and the outer surface of the sliver is in sliding connection with the brush plate.

Preferably, the outer surface of the dust collection box is fixedly connected with a handle, and the outer surface of the handle is provided with a rubber pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a ventilation switch subassembly passes through the electro-magnet circular telegram and attracts magnet to push down, promotes deckle board, pole and pushes down for the rotation of leaf window board is opened, thereby can be convenient ventilates, and during the electro-magnet outage, the spring beam then can push back home position deckle board, pole, makes the leaf window board seal, closes the vent, prevents that dust impurity from getting into, also has good safety protection nature simultaneously.

2. The utility model discloses a it is rotatory that the dust removal component passes through dust removal motor drive belt, brush board, promotes the brush board and clears up at the filter screen surface for the dust impurity of the accumulation on filter screen surface can be stable clear up, then dust impurity falls into the dust collection box, and the personnel of being convenient for clear up, make personnel convenient to use swift.

3. The utility model discloses a filter screen surface left side below is equipped with the stripping comb, stripping comb surface and brush board sliding connection for what the stripping comb can be stable clears up the brush board, the long-term stable work of brush board of being convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the ventilation switch assembly of the present invention;

fig. 3 is a schematic structural diagram of the filtering and dust removing assembly of the present invention.

In the figure: the fan comprises a base 1, a bolt 2, a fan shell 3, a ventilation switch component 4, an electromagnet 41, a spring rod 42, a magnet 43, a frame plate 44, a rod 45, a louver plate 46, a filtering and dedusting component 5, a dedusting motor 51, a belt 52, a brush plate 53, a filter screen 54, a dust collection box 55, a centrifugal impeller 6, a motor 7, an exhaust duct 8, a sliding frame 401, a side rod 402, a lantern ring 501, a comb strip 502 and a handle 503.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a centrifugal fan with air intake safety interception mechanism, the on-line screen storage device comprises a base 1, fan housing 3, ventilation switch module 4, filter dust removal subassembly 5 and

exhaust pipe

8, 1 upper surface both ends of base all are equipped with

bolt

2, 1 top fixedly connected with fan housing 3 of base, ventilation switch module 4 is installed to 3 surface one end of fan housing, 3 internal surfaces of fan housing are installed along ventilation switch module 4 one side and are filtered dust removal subassembly 5, motor 7 is installed to 3 surface right-hand members of fan housing, 7 left end fixedly connected with centrifugal impeller 6 of motor, 3 surface one side fixedly connected with exhaust pipe 8 of fan housing.

Further, the ventilation switch component 4 further comprises an electromagnet 41, a spring rod 42, a magnet 43, a frame plate 44, a bar 45 and a louver 46, the spring rod 42 is arranged at two ends of the electromagnet 41, the magnet 43 is arranged above the electromagnet 41, the frame plate 44 is fixedly connected to the outer surface of the magnet 43, the bar 45 is arranged on the left side of the lower portion of the frame plate 44, the louver 46 is arranged on the left side of the bar 45, the electromagnet is powered on to attract the magnet to press down, the frame plate is pushed, the bar is pressed down, the louver is rotated to be opened, ventilation can be conveniently carried out, when the electromagnet is powered off, the spring rod can push the frame plate and the bar back to the original position, the louver is closed, the ventilation opening is closed, dust and impurities are prevented from entering, and good safety protection performance is also achieved.

Further, filter dust removal subassembly 5 still including dust removal motor 51, belt 52, brush board 53, filter screen 54, dust collection box 55, dust removal motor 51 right-hand member rotates and is connected with belt 52, belt 52 internal surface rotates and is connected with brush board 53, brush board 53 surface sliding connection has filter screen 54, filter screen 54 below is equipped with dust collection box 55, drive the belt through the dust removal motor, brush board is rotatory, promote brush board at the clearance of filter screen surface, make the dust impurity of the accumulation on filter screen surface can be stable clear up, then dust impurity falls into in the dust collection box, be convenient for personnel's clearance, make personnel convenient to use swift.

Further, a sliding frame 401 is fixedly connected to the lower left corner of the outer surface of the frame plate 44, and the middle of the sliding frame 401 is slidably connected to the rod 45.

Further, a side bar 402 is fixedly connected to the left side of the outer surface of the bar 45, and one end of the side bar 402 is rotatably connected to the louver 46.

Further, the middle part of the brush plate 53 is slidably connected with a collar 501, and the outer surface of the collar 501 is fixedly connected with the inner surface of the fan housing 3.

Further, the carding bar 502 is arranged below the left side of the outer surface of the filter screen 54, and the outer surface of the carding bar 502 is connected with the brush plate 53 in a sliding mode, so that the carding bar can stably clean the brush plate, and the long-term stable work of the brush plate is facilitated.

Further, a handle 503 is fixedly connected to the outer surface of the dust collecting box 55, and a rubber pad is arranged on the outer surface of the handle 503.

The working principle is as follows: during the use, by ventilation switch assembly 4 work, attract magnet 43 to push down through electro-magnet 41 circular telegram, promote framed panel 44, bar 45 and push down for shutter 46 rotates to open, thereby can be convenient ventilate, and when electro-magnet 41 cut off the power supply, spring beam 42 then can push back the normal position with framed panel 44, bar 45, makes shutter 46 seal, closes the vent, prevents that dust impurity from getting into, also has good safety protection nature simultaneously.

Secondly, by the work of filtering dust removal subassembly 5, it is rotatory to drive belt 52, brush board 53 through dust removal motor 51, promotes brush board 53 and clears up on filter screen 54 surface for the dust impurity of the accumulation on filter screen 54 surface can be stable by the clearance, and then dust impurity falls into dust collection box 55, and the personnel of being convenient for clear up, make personnel convenient to use swift.

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

1. The utility model provides a centrifugal fan with air intake safety interception mechanism, includes base (1), fan casing (3), ventilation switch subassembly (4), filters dust removal subassembly (5) and exhaust pipe (8), its characterized in that: the fan is characterized in that bolts (2) are arranged at two ends of the upper surface of the base (1), a fan shell (3) is fixedly connected to the upper portion of the base (1), a ventilation switch assembly (4) is installed at one end of the outer surface of the fan shell (3), a filtering and dust removing assembly (5) is installed on one side of the ventilation switch assembly (4) on the inner surface of the fan shell (3), a motor (7) is installed at the right end of the outer surface of the fan shell (3), a centrifugal impeller (6) is fixedly connected to the left end of the motor (7), and an exhaust pipe (8) is fixedly connected to one side of the outer surface of the fan shell (3).

2. The centrifugal fan with the air inlet safety intercepting mechanism according to claim 1, wherein: ventilation switch subassembly (4) are still including electro-magnet (41), spring beam (42), magnet (43), framed panel (44), pole (45), leaf window board (46), electro-magnet (41) both ends all are equipped with spring beam (42), electro-magnet (41) top is equipped with magnet (43), magnet (43) outer surface fixedly connected with framed panel (44), framed panel (44) below left side is equipped with pole (45), pole (45) left side is equipped with leaf window board (46).

3. The centrifugal fan with the air inlet safety intercepting mechanism of claim 1, wherein: the filter dust removal component (5) further comprises a dust removal motor (51), a belt (52), a brush plate (53), a filter screen (54) and a dust collection box (55), the right end of the dust removal motor (51) is rotatably connected with the belt (52), the inner surface of the belt (52) is rotatably connected with the brush plate (53), the outer surface of the brush plate (53) is slidably connected with the filter screen (54), and the dust collection box (55) is arranged below the filter screen (54).

4. The centrifugal fan with the air inlet safety intercepting mechanism of claim 2, wherein: the lower left corner of the outer surface of the frame plate (44) is fixedly connected with a sliding frame (401), and the middle of the sliding frame (401) is connected with the rod (45) in a sliding mode.

5. The centrifugal fan with the air inlet safety intercepting mechanism of claim 2, wherein: a side bar (402) is fixedly connected to the left side of the outer surface of the bar (45), and one end of the side bar (402) is rotatably connected with a blade plate (46).

6. The centrifugal fan with the air inlet safety intercepting mechanism according to claim 3, wherein: the middle of the brush plate (53) is connected with a lantern ring (501) in a sliding mode, and the outer surface of the lantern ring (501) is fixedly connected with the inner surface of the fan shell (3).

7. The centrifugal fan with the air inlet safety intercepting mechanism of claim 3, wherein: a comb strip (502) is arranged below the left side of the outer surface of the filter screen (54), and the outer surface of the comb strip (502) is connected with the brush plate (53) in a sliding manner.

8. The centrifugal fan with the air inlet safety intercepting mechanism according to claim 3, wherein: the outer surface of the dust collection box (55) is fixedly connected with a handle (503), and a rubber pad is arranged on the outer surface of the handle (503).