CN115750414A - Bottom plate dust exhausting fan with dust scattering inhibiting function - Google Patents

Abstract

The invention relates to the technical field of dust removal fans, in particular to a bottom plate dust removal fan with a dust flying inhibiting function. Including the frame, the frame is connected with the casing through the mount pad, and the casing intercommunication has the intake stack that is used for extracting the air, and the frame is provided with the driving piece, and the output shaft rigid coupling of driving piece has the turbofan that is located the casing, and the equidistance is provided with the filter in the intake stack. According to the invention, the cleaning piece is abutted against the left side face of the filter plate under the action of the elastic telescopic rod to clean dust adhered to the filter plate, so that the influence of the dust adhered to the filter plate on air extraction efficiency is avoided, the dust on the left side face of the filter plate is prevented from being cleaned unclearly and influencing dust removal by moving along with the radius change of the filter plate through the distance between the two cleaning pieces, dust generated at a punching position is extracted through the middle pipeline of the air inlet pipeline, and flying dust caused by air flow is extracted through the pipelines on the two sides of the air inlet pipeline, so that the influence of large-range flying dust on vision from the outside is avoided.

Description

Bottom plate dust removal fan with dust scattering inhibiting function

Technical Field

The invention relates to the technical field of dust removal fans, in particular to a bottom plate dust removal fan with a dust flying inhibiting function.

Background

When drilling operation is carried out on special soft rock geology in a mine, due to the factors of low rock strength, large porosity, poor cementation degree and the like of the soft rock geology, in order to prevent the phenomenon that a quicklime cushion layer of a roadway bottom plate absorbs water of the bottom plate to be solidified and form an inverted bottom arch to influence roadway tunneling, a dry drilling mode is required for construction, and a large amount of dust is easily caused to gush out during the dry drilling mode construction.

The existing dust removal fan conveys dust-containing gas to a dust remover, and the dust-containing gas is purified by the dust remover. However, in the process of extracting dust-containing gas by the existing dust removal fan, the surrounding air is gathered to the extraction position to bring dust to form raise dust, the raise dust can be diffused outwards under the influence of the surrounding air flow, the existing dust removal fan can only extract part of the raise dust, the cleaning effect on the raise dust is limited, the flying raise dust can influence the sight of drilling workers, meanwhile, the flying raise dust is sucked into the body by the drilling workers, the pneumoconiosis of the drilling workers is easily caused by long-term operation, and the health of the drilling workers is influenced.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a bottom plate dust removal fan with a dust flying inhibiting function.

The utility model provides a bottom plate dust exhausting fan with restrain dust function that flies, which comprises a vehicle rack, the frame is connected with the casing through the mount pad, the casing intercommunication has the intake stack that is used for extracting the air, the frame is provided with the driving piece, the output shaft rigid coupling of driving piece has the turbofan that is located the casing, the equidistance is provided with the filter in the intake stack, the equidistance rotates in the intake stack and is connected with the swivel becket, the equidistance in the swivel becket is connected with the water conservancy diversion flabellum, the rigid coupling has the mounting panel in the swivel becket, the elastic telescoping rod rigid coupling that the equidistance set up has the clearance piece with filter contact complex, the air impact water conservancy diversion flabellum that extracts drives the swivel becket, the mounting panel, the impurity of elastic telescoping rod and clearance piece circumferential movement clearance filter.

Further, the filter plate is inclined to a side away from the housing for increasing a contact area with air.

Further, the equal sliding connection in both ends of clearance piece has the clearance piece, and the rigid coupling has the spring between clearance piece and the clearance piece for the diameter of clearance piece adaptation filter.

Further, the lower part equidistance of intake stack has inlayed the unloading frame, the upper portion symmetrical formula of unloading frame is rotated and is connected with first axostylus axostyle, first axostylus axostyle rigid coupling has the baffle, the first axostylus axostyle that the symmetry set up passes through the gear train transmission, unloading frame rigid coupling has the slip frame, sliding connection has first rack in the slip frame, the slip frame symmetrical formula is provided with spacing draw-in groove, the rigid coupling has the spring between first rack and the unloading frame, first rack sliding connection have with the slip frame on spacing complex spring block of draw-in groove, the unloading frame rotates and is connected with the first connecting axle that is located first rack upside, first connecting axle and adjacent first axostylus axostyle rigid coupling, the one end rigid coupling that the baffle was kept away from to first connecting axle has the first straight gear with first rack toothing, the equidistance is provided with the swing subassembly that is used for driving impurity in the intake stack.

Furthermore, the swing assembly comprises a second rack, the second rack is connected in the air inlet pipeline in a sliding mode, a second shaft rod is symmetrically rotated in the air inlet pipeline, a wind shield is fixedly connected to the second shaft rod, a torsion spring is fixedly connected between the wind shield and the air inlet pipeline, the wind shields symmetrically arranged are transmitted through a gear set, a second connecting shaft is fixedly connected to a gear of the wind shield on one side, and a second straight gear meshed with the second rack is fixedly connected to the lower end of the second connecting shaft.

Further, still including the shake mechanism that falls that the symmetry set up, shake and fall the mechanism and be used for the impurity clearance to the intake stack inner wall adhesion, the shake mechanism that the symmetry set up all sets up in the intake stack, shake and fall the mechanism including a piece, a piece rigid coupling in the intake stack, a piece rotates and is connected with the swinging arms, the one end rigid coupling of swinging arms has the piece of beating that is used for shaking the adhesion at intake stack inner wall impurity, symmetrical formula rigid coupling has the extension board in the intake stack, the extension board rotates and is connected with the rotation fan, intake stack symmetry formula sliding connection has the connecting rod, the one end of connecting rod is articulated with the other end of swinging arms, the other end rigid coupling of connecting rod has hollow frame, the eccentric position rigid coupling of rotation fan has with hollow frame sliding fit's pin lever.

Furthermore, the air guiding device further comprises symmetrically arranged guide plates, the symmetrically arranged guide plates are arranged on the air inlet pipeline, one side of each guide plate, which is close to the rotating fan, inclines to the axial lead of the air inlet pipeline and is used for guiding the extracted air.

Further, still including the connecting rod, the connecting rod rotates to be connected in the output shaft of driving piece, the connecting rod rigid coupling has fixed frame, sliding connection has the flitch of scraping of clearance shells inner wall impurity in the fixed frame, it has the spring to scrape the rigid coupling between flitch and the fixed frame, one side that the casing is close to the driving piece rotates and is connected with the fender dish, the rigid coupling has the torsional spring between fender dish and the casing, the rigid coupling has the drive assembly who is used for rotating the flitch of scraping between fender dish and the driving piece.

Furthermore, the transmission assembly comprises a gear ring which is fixedly connected to the baffle disc, the driving part is rotatably connected with a third straight gear through a fixing plate, the third straight gear is fixedly connected with a missing gear meshed with the gear ring, and an output shaft of the driving part is fixedly connected with a fourth straight gear meshed with the third straight gear.

According to the invention, the cleaning piece is abutted against the left side face of the filter plate under the action of the elastic telescopic rod to clean dust adhered to the filter plate, so that the influence of the dust adhered to the filter plate on the air extraction efficiency is avoided, and the distance between the two cleaning blocks is moved along with the radius change of the filter plate through the spring between the two cleaning blocks, so that the influence of the unclean dust cleaning on the left side face of the filter plate on the dust removal is avoided.

The middle pipeline through the intake stack extracts the production dust of the position of punching, and the raise dust that the both sides pipeline through the intake stack extraction air flow caused avoids the external appearance raise dust influence vision on a large scale, avoids simultaneously that the raise dust that wafts is inhaled internal influence healthy by drilling operation workman.

The discharging dust is opened through the downward swinging of the wind shield at the discharging opening of the discharging frame, the dust on the two baffles is prevented from being accumulated too much, the extraction amount of air during the work of the turbofan is influenced, and therefore the dust removal work is influenced.

The guide plate guides the air in the suction air inlet pipeline, the air in the suction air inlet pipeline is prevented from being drained, the rotating fan cannot rotate, the rotating fan rotates to be matched with the hollow frame through the pin rod on the rotating fan, the connecting rod moves in a reciprocating mode to drive the swing rod to swing, the swing rod swings to drive the knocking block to knock the air inlet pipeline to generate vibration, dust adhered to the inner wall of the air inlet pipeline drops, and the dust adhered to the inner wall of the air inlet pipeline is prevented from affecting the air suction amount.

Make the dust of scraping flitch circumferential movement clearance casing inner annular face clear up through the fender dish under the effect of torsional spring, avoid the long-time accumulation of dust of casing inner annular face not clear up, hinder the turbofan rotation and extract the air.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional perspective view of the present invention.

FIG. 3 is a schematic perspective view of the filter plate, the rotating ring, the mounting plate and the elastic telescopic rod according to the present invention.

Fig. 4 is a schematic perspective view of the cleaning piece, the cleaning block and the blanking frame of the present invention.

Fig. 5 is an enlarged schematic perspective view of the invention at a.

Fig. 6 is a schematic perspective view of the swing assembly of the present invention.

Fig. 7 is an enlarged schematic perspective view of the position B of the present invention.

Fig. 8 is a schematic perspective view of the sliding frame, the first rack and the spring block according to the present invention.

Fig. 9 is a schematic perspective view of the shatter mechanism of the present invention.

Fig. 10 is a perspective view of the transmission assembly of the present invention.

Fig. 11 is a schematic three-dimensional structure diagram of the connecting rod, the fixing frame, the scraping plate, the blocking disc, the torsion spring, the gear ring, the third spur gear, the gear lacking wheel and the fourth spur gear.

The parts are labeled as follows: 1. the device comprises a frame, 2, a shell, 3, an air inlet pipeline, 4, a driving piece, 5, a turbofan, 6, a filter plate, 7, a rotating ring, 71, a guide fan blade, 8, a mounting plate, 9, an elastic telescopic rod, 10, a cleaning piece, 101, a cleaning block, 11, a blanking frame, 12, a first shaft rod, 13, a baffle plate, 131, a sliding frame, 14, a first rack, 141, a spring block, 15, a first connecting shaft, 16, a first straight gear, 17, a second rack, 18, a second shaft rod, 19, a wind shield, 20, a second connecting shaft, 21, a second straight gear, 22, a support block, 23, a swinging rod, 231, a beating block, 24, a support plate, 25, a rotating fan, 26, a connecting rod, 261, a hollow frame, 27, a guide plate, 28, a connecting rod, 29, a fixing frame, 30, a scraping plate, 31, a baffle plate, 32, a torsional spring, 33, a gear ring, 34, a third straight gear, 35, a gear lacking a straight gear, 36 and a fourth straight gear.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.

Example 1

A bottom plate dust removal fan with a dust scattering inhibiting function is disclosed, as shown in figures 1-8, and comprises a frame 1, the top of the frame 1 is connected with a shell 2 through a mounting seat bolt, the left side surface of the shell 2 is communicated with an air inlet pipeline 3 for extracting air, the air inlet pipeline 3 is a four-way pipeline, the distance between the middle pipeline of the air inlet pipeline 3 and a dust raising position is smaller than the distance between the two side pipelines of the air inlet pipeline 3 and the dust raising position, so as to improve the dust removal efficiency, the frame 1 is provided with a driving piece 4, the driving piece 4 is a speed reduction motor, an output shaft of the driving piece 4 is fixedly connected with a turbofan 5 positioned in the shell 2, the driving piece 4 works to enable the turbofan 5 to rotate to extract outside air through the air inlet pipeline 3, a filter plate 6 is arranged in the air inlet pipeline 3 at equal intervals, the filter plate 6 is inclined to the left side for increasing the contact area with the air, the filter plate 6 is used for filtering the air sucked into the air inlet pipeline 3 and flowing to the right side, the air inlet pipeline 3 is rotatably connected with a rotating ring 7 at equal intervals, the rotating ring 7 is connected with a rotating ring 7, the rotating ring 7 is connected with a telescopic rod 9, the rotating ring 71, the rotating piece for cleaning the dust through an elastic cleaning device, the telescopic rod 10 for cleaning the rotating of the rotating ring 71 and enabling the rotating blade to impact the rotating ring 71.

As shown in figure 4, the upper end and the lower end of the cleaning piece 10 are both connected with the cleaning blocks 101 in a sliding mode, springs are fixedly connected between the cleaning blocks 101 and the cleaning piece 10, under the action of the springs between the cleaning piece 10 and the cleaning blocks 101, the distance between the two cleaning blocks 101 moves along with the radius change of the filter plate 6, and the dust on the left side surface of the filter plate 6 is prevented from being cleaned unclean and affecting dust removal.

As shown in fig. 6-8, a blanking frame 11 is embedded in the lower portion of an air inlet duct 3 at equal intervals, first shaft rods 12 symmetrically rotate on the upper portion of the blanking frame 11, baffles 13 are fixedly connected to the first shaft rods 12, the right portions of the two first shaft rods 12 are driven by a gear set, a collection bag is detachably arranged on the lower portion of the blanking frame 11, a sliding frame 131 is fixedly connected to the blanking frame 11, first racks 14 are slidably connected to the sliding frame 131, limiting clamping grooves are symmetrically formed in the sliding frame 131, springs are fixedly connected between the first racks 14 and the blanking frame 11, a spring block 141 in limiting fit with the limiting clamping grooves in the sliding frame 131 is slidably connected to the first racks 14, the blanking frame 11 is rotatably connected to a first connecting shaft 15, the first connecting shaft 15 is located above the first racks 14, the first connecting shaft 15 is fixedly connected to the first connecting shaft 15, a first straight gear 16 meshed with the first racks 14 is fixedly connected to the right end of the first connecting shaft 15, second racks 17 are slidably connected to the air inlet duct 3 at equal intervals, a second air inlet duct 18 symmetrically rotates, a second shaft 18 is fixedly connected to the second wind deflector 19, a torsion spring 19 is fixedly connected to the second wind deflector 19, and a swing air inlet duct 19 which is fixedly connected to the torsion gear set, and a second wind deflector 19 which swings synchronously swings, and a second wind deflector 19 which swings, and a front wind deflector 19 which swings, and a wind deflector 19 which swings, and a wind deflector which swings synchronously swing air inlet duct 19 which swings.

The user moves the frame 1 to a required position, the driving piece 4 is started to enable the turbofan 5 to rotate to extract outside air through the air inlet pipeline 3, the air entering the air inlet pipeline 3 flows rightwards, when the air passes through the filter plate 6, the filter plate 6 filters dust in the air, the air flowing rightwards in the air inlet pipeline 3 impacts the diversion fan blades 71, the diversion fan blades 71 drive the rotating ring 7 to rotate, the rotating ring 7 rotates to enable the cleaning piece 10 to move circumferentially through the mounting plate 8 and the elastic telescopic rod 9, the cleaning piece 10 is abutted to the left side face of the filter plate 6 under the action of the elastic telescopic rod 9, dust adhered to the filter plate 6 is cleaned, dust adhered to the filter plate 6 is prevented from adhering to the filter plate 6, air extraction efficiency is influenced, the filter plate 6 which is obliquely arranged is oval in shape, the outer annular face of the oval filter plate 6 is different from the radius of an axial lead, under the action of the spring between the cleaning piece 10 and the cleaning piece 101, the distance between the two cleaning pieces 101 is enabled to move along with the change of the radius of the filter plate 6, and dust cleaning of the left side face of the filter plate 6 is prevented from being not cleaned cleanly influenced.

In-process of position dust punches in the middle pipeline extraction of intake stack 3, the air flows and drives air all around to the gathering of middle pipeline flow, air flow all around can take the dust up and form the raise dust, because the distance of intake stack 3's middle pipeline and raise dust position is less than the distance of intake stack 3's both sides pipeline and raise dust position, consequently, the dust that produces when punching is extracted by intake stack 3's middle pipeline, and the raise dust that forms to intake stack 3's middle pipeline gathering all around, then by intake stack 3's both sides pipeline extraction, avoid the external appearance raise dust influence vision on a large scale, it inhales the internal health that influences by the drilling operation workman to avoid the raise dust that drifts away simultaneously.

At the beginning, the two baffles 13 swing downwards to enable the blanking port of the blanking frame 11 to be in an open state, air pumped into the air inlet pipeline 3 flows rightwards to impact the air blocking plate 19 to swing rightwards, the torsion spring of the air blocking plate 19 stores force therewith, the adjacent air blocking plates 19 move synchronously through gear set transmission in the swinging process of the air blocking plate 19, the second shaft rod 18 rotates through the second connecting shaft 20 and the second straight gear 21 to drive the second rack 17 to move rightwards, at the moment, the second rack 17 is far away from the first rack 14 to remove the limit on the first rack 14, the first rack 14 moves towards the axial lead of the air inlet pipeline 3 under the action of the upper spring, the first rack 14 drives the first connecting shaft 15 to rotate through the first straight gear 16, the first connecting shaft 15 rotates to drive the first shaft rod 12 fixedly connected with the first connecting shaft 15 to rotate, the baffles 13 swing upwards along with the shaft rod 13 to shield the blanking port of the blanking frame 11, and the adjacent first baffle 12 enables the two baffles 13 to swing synchronously through gear set transmission.

The dust removed by the cleaning piece 10 on the filter plate 6 falls downwards into the blanking frame 11 on the upper side of the baffle 13, after the driving piece 4 works for a period of time, a user closes the driving piece 4 and restarts the driving piece at intervals of time, after the driving piece 4 is closed, the turbofan 5 stops extracting the outside air, the wind shield 19 swings and resets under the action of a torsion spring on the wind shield, the wind shield 19 swings and resets through a gear on the wind shield 19, a second connecting shaft 20 and a second straight gear 21, a second rack 17 is driven to move leftwards, the second rack 17 moves leftwards and extrudes a first rack 14 to move backwards, the first straight gear 16 is driven to drive the first connecting shaft 15 to rotate, so that the two baffles 13 swing downwards to open the blanking port of the blanking frame 11, the dust on the two baffles 13 falls downwards into the collecting bag through the blanking frame 11, excessive dust accumulation on the two baffles 13 is avoided, the extraction amount of the air when the turbofan 5 works is influenced, and the dust removal work is influenced, when the dust in the collecting bag is more, the user can replace the collecting bag.

In the process that the first rack 14 moves towards the axial lead of the air inlet pipe 3, the first rack 14 drives the spring block 141 to move out of the limiting clamping groove at the rear side of the sliding frame 131 until the spring block 141 is clamped into the limiting clamping groove at the front side of the sliding frame 131 under the action of the spring on the spring block, the baffle 13 is limited, the baffle 13 is prevented from swinging downwards by the gravity of sundries on the baffle 13, the feed opening of the blanking frame 11 is opened, so that when air is extracted, part of air is sucked into the air inlet pipe 3 through the feed opening of the blanking frame 11, dust in the air inlet pipe 3 moves around to influence air extraction, when the first rack 14 moves backwards, the tension spring of the first rack 14 is stretched accordingly, the first rack 14 moves to enable the spring block 141 to move out of the limiting clamping groove at the front side of the sliding frame 131, at the moment, the spring block 141 is clamped into the limiting clamping groove at the rear side under the action of the torsion spring of the wind shield 19, at the moment, the two baffles 13 swing downwards to open the feed opening of the blanking frame 11, and discharge the dust on the baffle 13 downwards.

Example 2

On the basis of embodiment 1, as shown in fig. 9, the air suction device further includes symmetrically arranged support blocks 22, the symmetrically arranged support blocks 22 are all fixedly connected to the air suction duct 3, the support block 22 is rotatably connected to a swing rod 23, a hitting block 231 is fixedly connected to the right end of the swing rod 23, the hitting block 231 is used for shaking off dust adhered to the inner wall of the air suction duct 3, a support plate 24 is symmetrically fixedly connected to the inside of the air suction duct 3, the support plate 24 is rotatably connected to a rotating fan 25, the air suction duct 3 is symmetrically and slidably connected to a connecting rod 26 hinged to the left end of the swing rod 23, the connecting rod 26 is rotatably connected to the rotating fan 25 through a hinged rod, air sucked into the air suction duct 3 impacts the rotating fan 25 to rotate, the rotating fan 25 rotates to cooperate with a hollow frame 261 through a pin rod thereon, so that the connecting rod 26 reciprocates to linearly move to drive the swing rod 23, the swing rod 23 swings to hit the air suction duct 3 through the hitting block 231 thereon, and the air suction duct 3 is shaken to drop off the dust adhered to prevent the air suction duct 3 from being affected by the dust adhered to the suction volume.

As shown in fig. 6, the air guiding plate 27 is further included, the air guiding plates 27 are symmetrically arranged on the air inlet duct 3, and the air sucked into the air inlet duct 3 is guided by the air guiding plates 27, so that the situation that the rotating fan 25 cannot rotate due to the fact that the air sucked into the air inlet duct 3 is not guided by the air is avoided.

Example 3

In addition to embodiment 2, as shown in fig. 10 and 11, a connecting rod 28 is further included, the connecting rod 28 is rotatably connected to an output shaft of the driving element 4, a fixed frame 29 is fixedly connected to an upper end of the connecting rod 28, a scraping plate 30 for cleaning dust on an inner wall of the housing 2 is slidably connected to the fixed frame 29, a spring is fixedly connected between the scraping plate 30 and the fixed frame 29, a baffle disc 31 is rotatably connected to a right wall of the housing 2, a torsion spring 32 is fixedly connected between the baffle disc 31 and the housing 2, a gear ring 33 is fixedly connected to a right side surface of the baffle disc 31, a third spur gear 34 is rotatably connected to an upper portion of the driving element 4 through a fixed plate, a missing gear 35 meshed with the gear ring 33 is fixedly connected to a left side surface of the third spur gear 34, a fourth spur gear 36 meshed with the third spur gear 34 is fixedly connected to an output shaft of the driving element 4, the baffle disc 31 is quickly rotated and reset under the action of the torsion spring 32, and the fixing frame 29 causes the scraping plate 30 to circumferentially move to clean dust on an inner ring surface of the housing 2.

The centrifugal force that produces when turbofan 5 rotates makes the dust in the air adsorb on the inner wall of casing 2, driving piece 4 work lacks the gear 35 through fourth straight-toothed gear 36 and the transmission of third straight-toothed gear 34 and rotates, when lacking gear 35 and ring gear 33 meshing, it rotates and makes fender dish 31 rotate through ring gear 33 to lack gear 35, torsional spring 32 holds power thereupon, when lacking gear 35 and not meshing with ring gear 33, fender dish 31 rotates fast under the effect of torsional spring 32 and resets, fender dish 31 resets in-process makes scraping flitch 30 circumferential movement through fixed frame 29, scraping flitch 30 circumferential movement in-process can produce centrifugal force, make scraping flitch 30 outwards remove and hug closely with the interior anchor ring of casing 2, clear up the dust of the interior anchor ring of casing 2, avoid the long-time dust of the interior anchor ring of casing 2 to pile up and do not clear up, hinder turbofan 5 to rotate and draw the air.

Example 4

On the basis of embodiment 3, as shown in fig. 1 to 11, a method for removing dust from a soleplate comprises the following steps:

s1: the driving piece 4 is started to enable the turbofan 5 to rotate to draw outside air through the air inlet pipeline 3, air flowing to the right in the air inlet pipeline 3 is filtered through the filter plate 6, air flowing to the right in the air inlet pipeline 3 impacts the guide fan blades 71 to drive the rotating ring 7 to rotate, and the rotating ring 7 rotates to enable the cleaning piece 10 to move circumferentially through the mounting plate 8 and the elastic telescopic rod 9 to clean dust adhered to the filter plate 6.

S2: air flowing to the right in the air inlet pipeline 3 impacts the wind shield 19 to swing rightwards, a torsion spring of the wind shield 19 is compressed along with the wind shield, the driving piece 4 is closed after being started for a period of time, the wind shield 19 swings and resets under the action of the torsion spring on the wind shield, the wind shield 19 swings and resets through a gear on the wind shield, the two baffles 13 are driven to swing downwards to open the feed opening of the blanking frame 11, dust on the two baffles 13 falls downwards along with the wind shield, and the wind shield is restarted after a period of time.

While the step S1 is performed, the guide plate 27 guides the air flowing to the right in the air inlet duct 3, the air flowing to the right in the air inlet duct 3 impacts the rotating fan 25 to cooperate with the hollow frame 261 through the pin rod thereon, so that the connecting rod 26 moves back and forth to drive the swing rod 23 to swing, and the swing rod 23 swings to enable the knocking block 231 to knock the air inlet duct 3 to generate vibration to make the dust adhered to the inner wall of the air inlet duct fall;

while step S1 is performed, the centrifugal force generated when the turbofan 5 rotates causes dust in the air to be adsorbed on the inner wall of the housing 2, the driving member 4 operates to rotate through the fourth spur gear 36, the driving catch disc 31 rotates to circumferentially move through the fixing frame 29 and the scraper 30 to clean the dust on the inner annular surface of the housing 2, and the driving member 4 is closed after the use is completed.

While the disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Accordingly, the scope of the present disclosure should not be limited to the above-described embodiments, but should be defined not only by the appended claims, but also by equivalents thereof.

Claims (9)

1. The utility model provides a bottom plate dust exhausting fan with restrain dust function that scatters, characterized by, including frame (1), frame (1) is connected with casing (2) through the mount pad, casing (2) intercommunication has intake stack (3) that are used for extracting the air, frame (1) is provided with driving piece (4), the output shaft rigid coupling of driving piece (4) has turbofan (5) that are located casing (2), equidistance is provided with filter (6) in intake stack (3), equidistance rotation is connected with swivel becket (7) in intake stack (3), week equidistance is connected with water conservancy diversion flabellum (71) in swivel becket (7), rigid coupling has mounting panel (8) in swivel becket (7), mounting panel (8) equidistance is connected with elastic telescopic link (9), equidistance elastic telescopic link (9) rigid coupling that the equidistance sets up has clearance piece (10) with filter (6) contact complex, the air impact water conservancy diversion flabellum (71) that extracts drives swivel becket (7), mounting panel (8), elastic telescopic link (9) and clearance piece (10) that move in the circumference.

2. The bottom plate dust removing fan with the dust scattering suppressing function as claimed in claim 1, wherein the filter plate (6) is inclined to a side away from the casing (2) for increasing a contact area with air.

3. The bottom plate dust removal fan with the dust flying inhibiting function as claimed in claim 1, wherein the cleaning piece (10) is connected with the cleaning block (101) at two ends in a sliding manner, and a spring is fixedly connected between the cleaning block (101) and the cleaning piece (10) and used for adapting the cleaning block (101) to the diameter of the filter plate (6).

4. The bottom plate dust removal fan with the dust scattering inhibiting function is characterized in that a blanking frame (11) is embedded in the lower portion of an air inlet pipeline (3) at equal intervals, a first shaft rod (12) is symmetrically and rotatably connected to the upper portion of the blanking frame (11), a baffle (13) is fixedly connected to the first shaft rod (12), the first shaft rod (12) is symmetrically arranged and is in transmission through a gear set, a sliding frame (131) is fixedly connected to the blanking frame (11), a first rack (14) is slidably connected to the sliding frame (131), limiting clamping grooves are symmetrically formed in the sliding frame (131), springs are fixedly connected between the first rack (14) and the blanking frame (11), the first rack (14) is slidably connected to a spring block (141) in limiting fit with the limiting clamping grooves in the sliding frame (131), a first connecting shaft (15) located on the upper side of the first rack (14) is rotatably connected to the blanking frame (11), the first connecting shaft (15) is fixedly connected to the adjacent first connecting shaft (12), one end, far away from the baffle (13), a first connecting shaft rod (14) is fixedly connected to the first connecting shaft (14), and is provided with a gear (16) which is fixedly connected to the first straight gear (14) at equal intervals and is used for removing impurities.

5. The bottom plate dust removal fan with the dust flying inhibiting function is characterized in that the swinging assembly comprises a second rack (17), the second rack (17) is connected in the air inlet pipeline (3) in a sliding mode, a second shaft rod (18) is symmetrically arranged in the air inlet pipeline (3) in a rotating mode, a wind shield (19) is fixedly connected to the second shaft rod (18), a torsion spring is fixedly connected between the wind shield (19) and the air inlet pipeline (3), the wind shields (19) which are symmetrically arranged are driven through a gear set, a second connecting shaft (20) is fixedly connected to a gear of the wind shield (19) on one side, and a second straight gear (21) meshed with the second rack (17) is fixedly connected to the lower end of the second connecting shaft (20).

6. The bottom plate dust removal fan with the function of inhibiting dust from scattering according to claim 4, characterized by further comprising symmetrically arranged shaking and dropping mechanisms, wherein the shaking and dropping mechanisms are used for cleaning impurities adhered to the inner wall of the air inlet pipeline (3), the symmetrically arranged shaking and dropping mechanisms are all arranged on the air inlet pipeline (3), each shaking and dropping mechanism comprises a support block (22), the support blocks (22) are fixedly connected to the air inlet pipeline (3), the support blocks (22) are rotatably connected with swing rods (23), one ends of the swing rods (23) are fixedly connected with beating blocks (231) used for shaking and dropping the impurities adhered to the inner wall of the air inlet pipeline (3), support plates (24) are symmetrically and fixedly connected to the inside of the air inlet pipeline (3), the support plates (24) are rotatably connected with rotating fans (25), the air inlet pipeline (3) is symmetrically and slidably connected with connecting rods (26), one ends of the connecting rods (26) are hinged to the other ends of the swing rods (23), the other ends of the connecting rods (26) are fixedly connected with hollow frames (261), and pin rods in sliding fit with the hollow frames are fixedly connected to eccentric positions of the rotating fans (25).

7. The bottom plate dedusting fan with the dust flying inhibiting function as claimed in claim 6, further comprising symmetrically arranged guide plates (27), wherein the symmetrically arranged guide plates (27) are all arranged on the air inlet duct (3), and one side of the guide plate (27) close to the rotating fan (25) inclines towards the axial lead of the air inlet duct (3) for guiding the extracted air.

8. The bottom plate dust removal fan with the dust scattering inhibiting function is characterized by further comprising a connecting rod (28), the connecting rod (28) is rotatably connected to an output shaft of the driving part (4), a fixing frame (29) is fixedly connected to the connecting rod (28), a scraping plate (30) for cleaning impurities on the inner wall of the shell (2) is slidably connected to the fixing frame (29), a spring is fixedly connected between the scraping plate (30) and the fixing frame (29), a baffle disc (31) is rotatably connected to one side, close to the driving part (4), of the shell (2), a torsion spring (32) is fixedly connected between the baffle disc (31) and the shell (2), and a transmission assembly for rotating the scraping plate (30) is fixedly connected between the baffle disc (31) and the driving part (4).

9. The bottom plate dust removal fan with the dust flying inhibiting function as claimed in claim 8, wherein the transmission assembly comprises a gear ring (33), the gear ring (33) is fixedly connected to the baffle disc (31), the driving member (4) is rotatably connected with a third straight gear (34) through a fixing plate, the third straight gear (34) is fixedly connected with a gear lacking gear (35) meshed with the gear ring (33), and an output shaft of the driving member (4) is fixedly connected with a fourth straight gear (36) meshed with the third straight gear (34).

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