CN112253552A - Banana type jet fan structure - Google Patents
Banana type jet fan structure Download PDFInfo
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- CN112253552A CN112253552A CN202011345635.7A CN202011345635A CN112253552A CN 112253552 A CN112253552 A CN 112253552A CN 202011345635 A CN202011345635 A CN 202011345635A CN 112253552 A CN112253552 A CN 112253552A
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- block
- movable
- cavity
- silencer
- movable groove
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
Abstract
The invention discloses a banana-type jet fan structure which comprises an installation box, a first silencer, a second silencer, an air inlet pipe and an air outlet pipe, wherein the first silencer and the second silencer are respectively arranged at two ends of the installation box; the novel arc design is adopted, so that the friction loss of the fan caused by air jet flow and the wall surface of the tunnel is reduced, and the energy efficiency of the fan is improved; the device has the obvious characteristics of electricity and resource saving, small occupied area, investment saving, low operation cost, reliable operation, low noise, environmental protection, no pollution and the like, and has wide market prospect.
Description
Technical Field
The invention belongs to the technical field of fans and ventilation engineering equipment, and particularly relates to a banana-type jet fan structure.
Background
With the rapid development of expressways in China and the huge achievement in the construction of high-grade highways, ventilation and smoke exhaust in tunnels are mainly realized by jet fans, the shapes of the current domestic tunnel jet fans are all horizontally designed, namely the cross sections of air inlets and air outlets of the fans are vertical to the axis of the fans, and the axis of a silencer is matched with the horizontal axis of the fans, so that the jet fans are limited by the space of an installation environment in practical use, the outlet flow velocity of the fans at the top of the tunnels is high, the friction loss is large, the coanda effect is obvious, the flow velocity at the bottom of the tunnels is low, the whole flow field is not uniform, the pulse noise is increased, the average thrust is reduced, and the ideal effect cannot be.
Disclosure of Invention
The invention provides a banana-type jet fan structure in order to overcome the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a banana type jet fan structure comprises an installation box, a first silencer, a second silencer, an air inlet pipe and an air outlet pipe, wherein the first silencer and the second silencer are respectively arranged at two ends of the installation box; the central axis of the banana-shaped jet fan installation box is respectively intersected with the central axis of the air inlet pipe and the central axis of the air outlet pipe at a certain angle, so that the air inlet pipe, the installation box and the air outlet pipe are connected in a banana shape, the air jet of the air outlet of the fan can deviate from the friction area of the top of the tunnel, the friction loss of the wall surface of the top is reduced, the whole flow field is uniform, the average thrust of the fan is improved, the installation quantity of the fan is reduced, and the purposes of saving energy and increasing efficiency; meanwhile, as the jet flow direction of the fan is inclined downwards, the distance between the fan and the wall surface of the top of the tunnel can be reduced, and the installation space is saved; under the condition that the fan is installed close to the wall, the installation angles of the air inlet pipe and the air outlet pipe are adjusted, so that the influence of the coanda effect on the air outlet efficiency is eliminated or reduced, and the technical problem of the influence of the coanda effect on the air inlet efficiency is also eliminated or reduced; in the tunnel, the banana-shaped jet fan greatly improves the flow field and the wind speed distribution through the unique design, reduces the loss in a main friction area by concentrating the thrust in the middle of the tunnel, and simultaneously ensures that the wind quantity distribution in the tunnel is more uniform; the supporting component provides supporting force for the air inlet pipe and the air outlet pipe, so that the air inlet pipe and the air outlet pipe have reliable fixing force after rotating for a certain angle, the air inlet pipe and the air outlet pipe are fixed on the current position, the stability of the air inlet pipe and the air outlet pipe is improved, and the overall strength of the fan structure is increased; the first sealing portion and the second sealing portion provide sealing effects for the overturning state of the air inlet pipe and the air outlet pipe, air flow is prevented from leaking from the gap between the air inlet pipe and the first silencer or between the air outlet pipe and the second silencer after the air inlet pipe and the air outlet pipe are overturned, and the operation effect of the fan is improved.
Be equipped with first connecting plate on the first silencer, first connecting plate one side is equipped with first connecting block, wear to be equipped with first transmission shaft on the first connecting block, first transmission shaft one end is equipped with and is used for the drive first transmission shaft pivoted driving motor, be equipped with the line roller on the first silencer, around being equipped with first connecting rope on the line roller, first connecting rope one end link firmly in the intake pipe, be equipped with on the first transmission roller with line roller matched with first drive wheel.
The supporting assembly comprises a second connecting block arranged on the first silencer, a guide frame arranged above the second connecting block and a pressing block arranged in the guide frame, a first groove matched with the pressing block is formed in the second connecting block, and the first connecting rope penetrates through the first groove; the first groove is provided with a first sliding block on the inner wall, the pressing block is provided with a first sliding groove matched with the first sliding block, and the first driving motor can drive the pressing block to move up and down.
Be equipped with the mounting bracket on the first silencer, be equipped with second drive wheel and third drive wheel on the mounting bracket, be equipped with on the first transmission shaft with the second drive wheel with third drive wheel matched with fourth drive wheel, be equipped with the second connecting plate on the briquetting, be equipped with the third connecting plate on the guide frame, be equipped with on the first silencer and connect the chamber, be equipped with on the second connecting block with connect the communicating first through-hole in chamber, second connecting plate top and bottom are equipped with the second respectively and connect rope and third and connect the rope, be equipped with the second through-hole on the third connecting plate, the second is connected the rope and is worn to locate link firmly in the second through-hole on the second drive wheel, the third is connected the rope and is worn to locate connect the intracavity link firmly in on the third drive wheel.
A first sleeve is arranged on an output shaft of the first driving motor, the first transmission shaft penetrates through the first sleeve, a first limiting plate is arranged on the first transmission shaft, a return spring is arranged on the first limiting plate, and a first electromagnet is arranged at one end of the first sleeve; the utility model discloses a silencer, including intake pipe, first connecting axle, first silencer, second silencer, first recess, the intake pipe bottom is equipped with first connecting axle, first connecting axle both ends are equipped with the second connecting axle respectively, be equipped with the third connecting block on the first silencer, be equipped with first movable chamber on the third connecting block, the second connecting axle is worn to locate first movable intracavity, first movable intracavity is equipped with the fixed block, works as the briquetting is pressed in when in the first recess, the fixed block supports on the second connecting axle.
A first movable groove is formed in the inner wall of the first movable cavity, the fixed block penetrates through the first movable groove, a fixed spring is arranged on the fixed block, a first air conveying cavity communicated with the first movable groove is formed in one side of the first movable groove, a second air conveying cavity communicated with the first air conveying cavity is formed in the first silencer, and a first push plate is arranged at the top of the second air conveying cavity; a second movable cavity is arranged below the second connecting block, a second push plate is arranged in the second movable cavity, a first supporting spring is arranged at the bottom of the second push plate, a second movable groove communicated with the second gas transmission cavity is arranged on the side wall of the second movable cavity, a first connecting rod is arranged on the second push plate, and the first push plate is arranged on the first connecting rod; the bottom of the pressing block is provided with a first push rod, and the first push rod penetrates through the second movable cavity.
A first lug is arranged on the second connecting shaft, a plurality of through grooves are formed in the side wall of the first movable cavity, and a supporting plate penetrates through the through grooves; a first mounting block is arranged in the first silencer, a connecting pipe is arranged on the first mounting block, a second supporting spring is arranged in the connecting pipe, a second connecting rod is arranged at the top end of the second supporting spring, a fourth connecting plate is arranged on the second connecting rod, a filter screen is arranged on the first mounting block, the bottom end of the filter screen is fixedly connected to the first mounting block, the top end of the filter screen is fixedly connected to the fourth connecting plate, and a waste material box is arranged on the first mounting block; when the fan assembly works, the fourth connecting plate intermittently moves upwards.
The fan blade mounting structure comprises a first mounting block, a second mounting block, a third movable groove, a third push plate, a fourth movable groove, a second transmission shaft, a fourth connecting block, a plurality of first fan blades, a fifth movable groove, a sixth movable groove, a second lug and a connecting frame, wherein the first mounting block is arranged on the first mounting block, the third movable groove is arranged on the second mounting block, the third push plate is rotatably connected in the third movable groove, the fourth movable groove is arranged on the second mounting block, the second transmission shaft penetrates through the fourth movable groove, one end of the second transmission shaft is provided with the fourth connecting block, the fourth connecting block is provided with the first fan blades, one side of the fourth movable groove is provided with the fifth movable groove, the second transmission shaft is provided with the second lug, the second lug is arranged in the fifth movable groove, the sixth movable groove is internally provided with the fourth push plate; and a second sliding block is arranged on the fourth push plate, and a second sliding groove matched with the second sliding block is arranged on the inner wall of the sixth movable groove.
A fifth connecting plate is arranged at the top of the waste box, a third sliding groove is formed in the fifth connecting plate, a fifth connecting block is arranged in the waste box, a baffle is rotatably connected onto the fifth connecting block, a third sliding block matched with the third sliding groove is arranged on the fifth connecting block, and a first connecting spring is arranged at the top of the third sliding block; a third movable cavity is formed in the bottom of the fourth movable groove, a sixth connecting block is arranged on the waste material box, a fourth movable cavity communicated with the third movable cavity is arranged on the sixth connecting block, a third transmission shaft is arranged in the fourth movable cavity, the third transmission shaft penetrates through the third movable cavity, and the second transmission shaft is in transmission fit with the third transmission shaft through a synchronous belt; a second sleeve is arranged in the third movable cavity, and the third transmission shaft penetrates through the second sleeve; a cavity is formed in the third transmission shaft, an eighth movable groove communicated with the cavity is formed in one end of the third transmission shaft, a ninth movable groove is formed in the inner wall of the third movable cavity, a second connecting spring is arranged in the ninth movable groove, a pushing block is arranged on the second connecting spring and penetrates through the eighth movable groove, and a second electromagnet is arranged in the ninth movable groove; and the second sleeve pipe can drive the fifth connecting block to move downwards when rotating.
A sixth movable cavity communicated with the fourth movable cavity is formed in the bottom of the third sliding groove, a fourth connecting rope is arranged at the bottom of the third sliding block, and one end of the fourth connecting rope is fixedly connected to the second sleeve; a tenth movable groove is formed in the side wall of the waste material box, a mounting strip is arranged in the tenth movable groove, a plurality of bristles are arranged on the mounting strip, and a third connecting spring is arranged on the mounting strip; a fifth movable cavity communicated with the fourth movable cavity is arranged at the bottom of the tenth movable groove, a third connecting shaft is arranged at one end of a third transmission shaft, the third connecting shaft is arranged in the fifth movable cavity, a second push rod is arranged in the fifth movable cavity, a third push rod is arranged at the bottom of the second push rod, and a third bump matched with the third push rod is arranged at the bottom of the third connecting shaft; and a seventh connecting block is arranged on the inner wall of the fifth movable cavity, a third connecting spring is arranged on the seventh connecting block, and the bottom end of the third connecting spring is fixedly connected to the third push rod.
The invention has the following advantages: by adopting a novel arc design, the friction loss of the fan caused by air jet flow and the wall surface of the tunnel is further reduced, and the energy efficiency of the fan is improved; the device has the obvious characteristics of electricity and resource saving, small occupied area, investment saving, low operation cost, reliable operation, low noise, environmental protection, no pollution and the like, and has wide market prospect.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a cross-sectional view taken along a-a in fig. 2.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged view of fig. 3 at B.
Fig. 6 is a cross-sectional view taken along line B-B of fig. 2.
Fig. 7 is a cross-sectional view taken along line C-C of fig. 2.
Fig. 8 is an enlarged view of fig. 7 at C.
Fig. 9 is a cross-sectional view taken along line D-D in fig. 2.
Fig. 10 is an enlarged view of fig. 9 at D.
Fig. 11 is a cross-sectional view taken along line E-E of fig. 2.
Fig. 12 is an enlarged view of fig. 11 at E.
Fig. 13 is a front view of the present invention.
Fig. 14 is a cross-sectional view taken along F-F in fig. 13.
Fig. 15 is a cross-sectional view taken along G-G in fig. 13.
Fig. 16 is an enlarged view of fig. 13 at F.
Fig. 17 is a cross-sectional view taken along H-H in fig. 13.
Fig. 18 is an enlarged view at G in fig. 17.
Fig. 19 is a cross-sectional view taken along line I-I of fig. 13.
Fig. 20 is an enlarged view of fig. 19 at H.
Fig. 21 is a cross-sectional view taken along J-J in fig. 13.
Fig. 22 is an enlarged view at I in fig. 21.
Fig. 23 is an enlarged view at J in fig. 21.
Fig. 24 is a cross-sectional view taken along line K-K of fig. 13.
Fig. 25 is an enlarged view at K in fig. 24.
Fig. 26 is a cross-sectional view taken along L-L of fig. 13.
Fig. 27 is an enlarged view at L in fig. 26.
Detailed Description
As shown in fig. 1-27, a banana-type jet fan structure includes an installation box 1, a first silencer 2 and a second silencer 3 respectively disposed at two ends of the installation box 1, an air inlet pipe 4 disposed at one end of the first silencer 2, and an air outlet pipe 5 disposed at one end of the second silencer 3, wherein a fan assembly is disposed in the installation box 1, the bottom of the air inlet pipe 4 is rotatably connected to the first silencer 2, the bottom of the air outlet pipe 5 is rotatably connected to the second silencer 3, a first sealing portion 42 is disposed on the air inlet pipe 4, a second sealing portion is disposed on the air outlet pipe 5, and support assemblies for pulling the air inlet pipe 4 and the air outlet pipe 5 are respectively disposed on the first silencer 2 and the second silencer 3; the central axis of the banana-shaped jet fan installation box is respectively intersected with the central axis of the air inlet pipe and the central axis of the air outlet pipe at a certain angle, so that the air inlet pipe, the installation box and the air outlet pipe are connected in a banana shape, the air jet of the air outlet of the fan can deviate from the friction area of the top of the tunnel, the friction loss of the wall surface of the top is reduced, the whole flow field is uniform, the average thrust of the fan is improved, the installation quantity of the fan is reduced, and the purposes of saving energy and increasing efficiency; meanwhile, as the jet flow direction of the fan is inclined downwards, the distance between the fan and the wall surface of the top of the tunnel can be reduced, and the installation space is saved; under the condition that the fan is installed close to the wall, the installation angles of the air inlet pipe and the air outlet pipe are adjusted, so that the influence of the coanda effect on the air outlet efficiency is eliminated or reduced, and the technical problem of the influence of the coanda effect on the air inlet efficiency is also eliminated or reduced; in the tunnel, the banana-shaped jet fan greatly improves the flow field and the wind speed distribution through the unique design, reduces the loss in a main friction area by concentrating the thrust in the middle of the tunnel, and simultaneously ensures that the wind quantity distribution in the tunnel is more uniform; the supporting component provides supporting force for the air inlet pipe and the air outlet pipe, so that the air inlet pipe and the air outlet pipe have reliable fixing force after rotating for a certain angle, the air inlet pipe and the air outlet pipe are fixed on the current position, the stability of the air inlet pipe and the air outlet pipe is improved, and the overall strength of the fan structure is increased; the first sealing portion and the second sealing portion provide sealing effects for the overturning state of the air inlet pipe and the air outlet pipe, air flow is prevented from leaking from the gap between the air inlet pipe and the first silencer or between the air outlet pipe and the second silencer after the air inlet pipe and the air outlet pipe are overturned, and the operation effect of the fan is improved.
The first silencer 2 is provided with a first connecting plate 21 and is fixedly connected to the top of the tunnel through the first connecting plate; a first connecting block 2502 is arranged on one side of the first connecting plate 21, a first transmission shaft 250 penetrates through the first connecting block 2502, a first driving motor 22 used for driving the first transmission shaft 250 to rotate is arranged at one end of the first transmission shaft 250, a wire roller 270 is arranged on the first silencer 2, a first connecting rope is wound on the wire roller 270, one end of the first connecting rope is fixedly connected to the air inlet pipe 4, and a first driving wheel 2503 matched with the wire roller 270 is arranged on the first transmission roller 250; when the fan is installed, the installation box, the first silencer and the second silencer are fixed on the top of the tunnel, taking the adjustment of the air inlet pipe as an example, after the actual arc degree of the top of the tunnel is measured, the first driving motor drives the first transmission shaft to rotate, the wire roller rotates along with the first transmission shaft, the first connecting rope is rotated out of the wire roller, the air inlet pipe is turned over under the action of self gravity, the air inlet pipe is turned over around a connecting point at the bottom, so that a corresponding angle is formed between the air inlet pipe and the first silencer, the air inlet pipe is more easily matched with the top surface of the tunnel, and the air inlet efficiency of the fan is; under the mutually supporting of at line roller and first connecting rope, promote the application scope to intake pipe angular adjustment, make the intake pipe have wider adjustment space, utilize first connecting rope to provide the holding power for the intake pipe after intake pipe angular adjustment simultaneously, fix the intake pipe on current position, increase the holistic stability of fan structure.
The supporting component comprises a second connecting block 24 arranged on the first silencer 2, a guide frame 23 arranged above the second connecting block 24 and a pressing block 240 arranged in the guide frame 23, a first groove matched with the pressing block 240 is formed in the second connecting block 24, and the first connecting rope penetrates through the first groove; a first sliding block is arranged on the inner wall of the first groove, a first sliding groove matched with the first sliding block is arranged on the pressing block 240, and the pressing block 240 can be driven to move up and down by the first driving motor 22; when the angle of the air inlet pipe is adjusted, the first driving motor drives the pressing block to move upwards, the pressing block rises from the first groove, the wire roller rotates to drive the first connecting rope to move, the air inlet pipe can rotate on one side of the first silencer under the action of the gravity of the first connecting rope and the air inlet pipe, and the angle of the air inlet pipe is adjusted; after the angle of the air inlet pipe is adjusted, the first driving motor drives the pressing block to move downwards, the pressing block enters the first groove, the pressing block presses the first connecting rope to fix the first connecting rope in the first groove, the pressing block provides supporting force for the air inlet pipe so as to fix the air inlet pipe at the current position, the position adjustment of the air inlet pipe is completed, and the fan structure is better attached to the top surface of the tunnel; the guide block and the sliding chute sliding block are matched with each other, so that the moving track of the pressing block is limited, the pressing block is prevented from abutting against the side wall of the first groove, the pressing block is completely pressed in the first groove, and the fixing effect of the pressing block on the first connecting rope is improved; the guide frame is made of magnets, the pressing block is made of iron alloy materials, after the first driving motor pulls the pressing block to move to the top of the guide frame, fixing force is generated for the pressing block under the magnetic action of the guide frame, the pressing block is temporarily fixed in the guide frame, so that the first driving shaft is utilized to drive the wire roller to rotate, the pressing block is pressed on the first connecting rope when the wire roller rotates, and the first connecting rope can freely move in the first groove.
The first muffler 2 is provided with a mounting bracket 260, the mounting bracket 260 is provided with a second driving wheel 2601 and a third driving wheel 2602, a fourth driving wheel 2501 matched with the second driving wheel 2601 and the third driving wheel 2602 is arranged on the first transmission shaft 250, the pressing block 240 is provided with a second connecting plate 2401, the guide frame 23 is provided with a third connecting plate 231, a connecting cavity is arranged on the first silencer 2, a first through hole communicated with the connecting cavity is arranged on the second connecting block 24, the top and the bottom of the second connecting plate 2401 are respectively provided with a second connecting rope 2402 and a third connecting rope 2403, a second through hole is arranged on the third connecting plate 231, the second connecting rope 2402 is inserted into the second through hole and fixedly connected to the second driving wheel 2601, the third connecting rope 2403 is arranged in the connecting cavity in a penetrating manner and fixedly connected to the third driving wheel 2602; when the angle of the air inlet pipe is adjusted, the fourth transmission wheel is matched with the second transmission wheel and the third transmission wheel, the fourth transmission wheel drives the second transmission wheel and the third transmission wheel to rotate, the second connecting rope is wound on the second transmission wheel, the third connecting rope is wound out of the third transmission wheel, the second connecting rope generates upward movement force on the pressing block under the arrangement of the second through hole, the pressing block is pulled out of the first groove, and the pressing block rises from the first groove and moves towards the top of the guide frame; then the first transmission shaft moves, the first transmission wheel is matched with the wire roller, the pressing block is fixed in the guide frame and is in a continuously rising state, the first transmission shaft drives the first transmission wheel to rotate, the first transmission wheel drives the wire roller to rotate, the first connecting rope rotates along with the wire roller, and the angle of the air inlet pipe is adjusted; after the angle of the air inlet pipe is adjusted, the first connecting shaft moves back, the fourth driving wheel is matched with the second driving wheel and the third driving wheel again, the fourth driving wheel drives the second driving wheel and the third driving wheel to rotate, the third connecting rope is wound on the third driving wheel, the second connecting rope is rotated out of the second driving wheel, the third connecting rope generates downward movement pulling force on the pressing block under the action of the first through hole, the pressing block moves downward and is pressed in the first groove, the first connecting rope is fixed in the first groove under the action of the pressing block, supporting force is provided for the air inlet pipe, and the use stability of the fan structure is guaranteed; under the effect of third connection rope, make the briquetting press produce further pressure to first recess bottom behind the first recess, promote the briquetting to the pressure of first connection rope, guarantee the fixed effect of briquetting to first connection rope.
A first sleeve 221 is arranged on an output shaft of the first driving motor 22, the first transmission shaft 250 penetrates through the first sleeve 221, a first limiting plate 2504 is arranged on the first transmission shaft 250, a return spring is arranged on the first limiting plate 2504, and a first electromagnet is arranged at one end of the first sleeve 221; when the fourth driving wheel is matched with the second driving wheel and the third driving wheel, the first electromagnet is in a power-off state; when the first driving wheel is matched with the wire roller, the first electromagnet is in an electrified state, the first driving shaft is controlled to be in a position by utilizing the mutual matching of the first electromagnet and the reset spring, so that the first driving shaft is matched with the wire roller or the second driving wheel and the third driving wheel as required, the adjustment of the angle of the air inlet pipe is completed by utilizing the first driving motor, and the fan structure is better matched with the top of the tunnel; a first connecting shaft 41 is arranged at the bottom of the air inlet pipe 4, second connecting shafts 411 are respectively arranged at two ends of the first connecting shaft 41, a third connecting block 220 is arranged on the first muffler 2, a first movable cavity is arranged on the third connecting block 220, the second connecting shaft 411 is arranged in the first movable cavity in a penetrating manner, a fixed block 2201 is arranged in the first movable cavity, and when the pressing block 240 is pressed in the first groove, the fixed block 2201 abuts against the second connecting shaft 411; the air inlet pipe can be rotatably connected under the matching of the second connecting shaft and the first movable cavity, the connecting part is a rubber corrugated pipe, and the connecting part stretches along with the rotation of the air inlet pipe when the air inlet pipe rotates, so that the connecting part of the air inlet pipe and the first silencer is sealed; after the angle of the air inlet pipe is adjusted, the fixing block moves towards the second connecting shaft, abuts against the second connecting shaft, and is used for fixing the second connecting shaft under the action of the fixing block, so that the air inlet pipe is provided with a fixing effect from the bottom and is matched with the first connecting rope, supporting force is provided for the air inlet pipe from the top and the bottom of the air inlet pipe respectively, and the supporting effect on the air inlet pipe is ensured; the removal that utilizes the briquetting is direct to be controlled the fixed block, makes the top and the bottom of intake pipe receive the fixed stay effect simultaneously, with the gravity sharing of intake pipe on a plurality of parts, reduces each part atress, plays the guard action to each part, extension fan structure life.
A first movable groove 2203 is formed in the inner wall of the first movable cavity, the fixed block 2201 is arranged in the first movable groove 2203 in a penetrating manner, a fixed spring 2202 is arranged on the fixed block 2201, a first air transmission cavity 230 communicated with the first movable groove 2203 is arranged on one side of the first movable groove 2203, a second air transmission cavity 290 communicated with the first air transmission cavity 230 is arranged on the first muffler 2, and a first push plate 2803 is arranged at the top of the second air transmission cavity 290; a second movable cavity is arranged below the second connecting block 24, a second push plate 280 is arranged in the second movable cavity, a first supporting spring 2801 is arranged at the bottom of the second push plate 280, a second movable groove communicated with the second gas transmission cavity is arranged on the side wall of the second movable cavity, a first connecting rod 2802 is arranged on the second push plate 280, and a first push plate 2803 is arranged on the first connecting rod 2802; a first push rod is arranged at the bottom of the pressing block 240 and penetrates through the second movable cavity; after the angle of the air inlet pipe is adjusted, the electromagnet is powered off, the first transmission shaft moves to enable the fourth transmission wheel to be in connection fit with the second transmission wheel and the third transmission wheel, the first transmission shaft drives the second transmission wheel and the third transmission wheel to rotate, the pressing block moves downwards under the action of the first driving motor, and the pressing block enters the first groove and is pressed on the first connecting rope; the briquetting drives first push rod down motion when down moving, first push rod promotes the second push pedal down motion, the second push pedal drives first push pedal down motion, first push pedal down motion extrusion second gas transmission intracavity space, the air of second gas transmission intracavity enters into first gas transmission intracavity, the air of first gas transmission intracavity enters into first movable groove, it removes toward second connecting axle direction to push the fixed block under the atmospheric pressure effect, make the fixed block support on second connecting axle lateral wall, play the fixed action to the second connecting axle, thereby accomplish the fixed to whole intake pipe, make the axis of intake pipe and the axis of fan subassembly be in required angle, reduce the friction loss of fan structure top wall, make the even that whole flow field becomes, improve the average thrust of fan.
A first bump 412 is arranged on the second connecting shaft 411, a plurality of through grooves are arranged on the side wall of the first movable cavity, and a supporting plate 2204 is arranged in each through groove in a penetrating manner; a first mounting block 27 is arranged in the first muffler 2, a connecting pipe 278 is arranged on the first mounting block 27, a second supporting spring 2781 is arranged in the connecting pipe 278, a second connecting rod 262 is arranged at the top end of the second supporting spring 2781, a fourth connecting plate 26 is arranged on the second connecting rod 262, a filter screen 25 is arranged on the first mounting block 27 and is woven by nylon ropes, the bottom end of the filter screen 25 is fixedly connected to the first mounting block 27, the top end of the filter screen 25 is fixedly connected to the fourth connecting plate 26, and a waste material box is arranged on the first mounting block 27; when the fan assembly works, the fourth connecting plate 26 intermittently moves upwards; after the radian data of the top of the tunnel is measured, the supporting plate is inserted into the required through groove according to the measured data, the supporting plate enters the first movable cavity through the through groove, the rotation angle of the second connecting shaft is limited by the mutual matching of the supporting plate and the first bump, the maximum rotation angle of the second connecting shaft is limited, after the pressing block is lifted from the first groove, the air inlet pipe pulls the first connecting rope to move under the action of self gravity, the first bump rotates to one side of the supporting plate along with the second connecting shaft, the first bump abuts against the side wall of the supporting plate, the air inlet pipe is automatically turned to a specified position, then the first transmission shaft drives the second transmission wheel and the third transmission wheel to rotate, the pressing block moves downwards to enter the first groove, and the pressing block is used for fixing the connecting rope; under the arrangement of the supporting plate, the number of rotation turns of the first driving motor is not required to be accurately controlled, the air inlet pipe can be automatically turned to a specified position, and the difficulty in adjusting the air inlet pipe is reduced; when the fan assembly works, the filter screen has a filtering effect on air entering the first silencer, so that dust entering the fan assembly is reduced, and the influence of excessive dust adhered to the fan assembly on the normal work of the fan assembly is avoided; the fourth connecting plate intermittently moves upwards when the fan assembly works, the fourth connecting plate pulls the top of the filter screen to intermittently move upwards, meshes on the filter screen deform in the pulling process of the filter screen, impurities on the meshes of the filter screen are shaken out, and the impurities adhered to the filter screen are reduced; the second supporting spring provides an auxiliary action for the resetting of the filter screen, avoids the filter screen from being damaged after being stretched for many times and plays a role in protecting the filter screen.
The first mounting block 27 is provided with a second mounting block 28, the second mounting block 28 is provided with a third movable groove, the third movable groove is rotatably connected with a third push plate 281, the third push plate is close to the end position and is rotatably connected with the inner wall of the third movable groove, a fourth connecting plate is provided with an extension plate 261 matched with the third push plate, the second mounting block 28 is provided with a fourth movable groove, a second transmission shaft 282 penetrates through the fourth movable groove, one end of the second transmission shaft 282 is provided with a fourth connecting block 283, the fourth connecting block 283 is provided with a plurality of first fan blades 2831, one side of the fourth movable groove is provided with a fifth movable groove, the bottom of the fifth movable groove is provided with a sixth movable groove, the second transmission shaft 282 is provided with a second lug 2821, the second lug 2821 is arranged in the fifth movable groove, the sixth movable groove is provided with a fourth push plate 2831, a connecting frame 283 is arranged on the fourth push plate 2831, and the third push plate 281 is arranged in the connecting frame 283 in a penetrating way; a second sliding block is arranged on the fourth push plate 2831, a second sliding groove matched with the second sliding block is arranged on the inner wall of the sixth movable groove, and a third supporting spring 2832 is arranged at the bottom of the fourth push plate; when the fan assembly works, airflow enters from the air inlet pipe, the airflow entering from the air inlet pipe passes through the first fan blade, the first fan blade is driven to rotate under the action of the airflow, the first fan blade drives the second transmission shaft to rotate, the second transmission shaft drives the second lug to rotate, the fourth push plate is pushed to move downwards when the second lug rotates, the fourth push plate drives the connecting frame to move downwards, the connecting frame pushes one end of the third push plate to move downwards, the other end of the third push plate to move upwards, the third push plate pushes the extension plate to move upwards, and the extension plate drives the fourth connecting plate to move upwards, so that the filter screen is pulled by the fourth connecting plate; when the second bump is rotated away from the fourth push plate, the fourth push plate moves upwards under the action of the third support spring, the third push plate does not push the fourth connecting plate any more, the fourth connecting plate moves downwards under the action of the second support spring, and vibration is generated on the filter screen so as to shake off impurities on the filter screen; through the arrangement of the connection point of the third push plate, the connection frame can push the third push plate to rotate with smaller force, so that the fourth connection plate is pushed to move upwards by the power of the second transmission shaft; part of impurities shaken off from the filter screen drop in the waste material box, and the dropped impurities are collected through the waste material box so as to be uniformly collected.
A fifth connecting plate 277 is arranged at the top of the waste box, a third sliding groove is formed in the fifth connecting plate 277, a fifth connecting block 271 is arranged in the waste box, a baffle 2711 is rotatably connected to the fifth connecting block 271, a third sliding block 2713 matched with the third sliding groove is arranged on the fifth connecting block 271, and a first connecting spring 2714 is arranged at the top of the third sliding block 2713; a third movable cavity is arranged at the bottom of the fourth movable groove, a sixth connecting block is arranged on the waste material box, a fourth movable cavity communicated with the third movable cavity is arranged on the sixth connecting block, a third transmission shaft 273 is arranged in the fourth movable cavity, the third transmission shaft 273 is arranged in the third movable cavity in a penetrating manner, and the second transmission shaft 282 is in transmission fit with the third transmission shaft 273 through a synchronous belt 284; a second sleeve 275 is arranged in the third movable cavity, and the third transmission shaft 273 is arranged in the second sleeve 275 in a penetrating manner; a cavity is formed in the third transmission shaft 273, an eighth movable groove communicated with the cavity is formed in one end of the third transmission shaft 273, a ninth movable groove is formed in the inner wall of the third movable cavity, a second connecting spring 276 is arranged in the ninth movable groove, a push block 2761 is arranged on the second connecting spring 276, the push block 2761 is arranged in the eighth movable groove in a penetrating mode, and a second electromagnet is arranged in the ninth movable groove; when the second sleeve 275 rotates, the fifth connecting block 271 can be driven to move downwards; a supporting block 2712 is arranged at the bottom of the fifth connecting block; when the fan assembly does not work, the first connecting spring pulls the third sliding block to move upwards, the third sliding block moves towards the top of the third sliding groove, the fifth connecting block moves upwards along with the third sliding block, the baffle plate rises above the waste material box, the baffle plate overturns downwards under the action of self gravity, the baffle plate overturns to the supporting block, the baffle plate is overturned to an inclined state, and dust on the baffle plate falls off from the baffle plate so as to be collected in the waste material box; when the fan subassembly during operation, the second transmission shaft drives the third transmission shaft and rotates, the third transmission shaft drives the second sleeve and rotates, make third slider down motion when the second sleeve rotates, the fifth connecting block drives baffle down motion, the baffle that is in the tilt state falls to in the waste material box, the baffle bottom contacts with the sixth connecting block, along with the removal of fifth connecting block, the baffle is down the horizontal direction upset under the effect of sixth connecting block, after the third slider removes to third spout bottom, the baffle upset is to the horizontal state, the baffle is pressed at waste material box top, play the sealing action to the waste material box under the baffle effect, the dust in the waste material box is taken in the air flow when avoiding fan subassembly to work.
A sixth movable cavity communicated with the fourth movable cavity is formed in the bottom of the third sliding groove, a fourth connecting rope is arranged at the bottom of the third sliding block 2713, and one end of the fourth connecting rope is fixedly connected to the second sleeve 275; when the second transmission shaft drives the third transmission shaft to rotate, the second electromagnet is electrified to generate magnetic force, the push block moves towards the eighth movable groove, the push block pushes air in the eighth movable groove to enter the cavity, the side wall of the cavity is expanded after the air pressure in the cavity is increased, the side wall of the cavity abuts against the inner wall of the second sleeve, the third transmission shaft drives the second sleeve to rotate when rotating, the second sleeve rotates to pull the fourth connecting rope, the third sliding block is pulled to move downwards under the action of the fourth connecting rope, after the third sliding block moves to the bottom of the third sliding groove, the fourth connecting rope cannot move continuously, the fourth connecting rope can limit the second sleeve, the third transmission shaft cannot drive the second sleeve to rotate continuously, the third transmission shaft rotates relative to the second sleeve automatically, the baffle is pressed in the waste box, and dust in the waste box is prevented from being lifted under the action of air flow; a tenth movable groove is formed in the side wall of the waste material box, a mounting bar 272 is arranged in the tenth movable groove, a plurality of bristles 2721 are arranged on the mounting bar 272, and a third connecting spring 2722 is arranged on the mounting bar 272; a fifth movable cavity communicated with the fourth movable cavity is arranged at the bottom of the tenth movable groove, a third connecting shaft 2731 is arranged at one end of the third transmission shaft 273, the third connecting shaft 2731 is arranged in the fifth movable cavity, a second push rod 274 is arranged in the fifth movable cavity, a third push rod 2741 is arranged at the bottom of the second push rod 274, and a third bump 2732 matched with the third push rod 2741 is arranged at the bottom of the third connecting shaft 2731; a seventh connecting block 279 is arranged on the inner wall of the fifth movable cavity, a third connecting spring 2791 is arranged on the seventh connecting block 279, and the bottom end of the third connecting spring 2791 is fixedly connected to a third push rod 2741; the third transmission shaft rotates to drive the third connecting shaft to rotate, the third connecting shaft drives the third lug to rotate, the third lug pushes the third push rod to move upwards, the second push rod pushes the mounting bar to move upwards, the mounting bar moves in the tenth movable groove, vibration is generated on the bristles through the movement of the mounting bar, impurities on the bristles are shaken off, and dust falling from the filter screen is prevented from being attached to the bristles and cannot be cleaned; dust on the bristles is shaken off on the baffle plate to clean the bristles for one time; when the fan assembly stops working, the second electromagnet is powered off, the push block moves towards the ninth movable groove, the space in the eighth movable groove is increased, air in the cavity is not extruded, the side wall of the cavity is not contacted with the inner wall of the second sleeve any more, the second connecting spring pulls the third slider to move upwards, the fifth connecting block drives the baffle to move upwards, the baffle turns downwards under the action of self gravity, the baffle abuts against the supporting block to form an inclined plane, the baffle continues to move upwards along with the fifth connecting block, the bristles are contacted with the surface of the baffle, the surface of the baffle is cleaned under the action of the bristles, the bristles scrape off dust on the baffle, the dust on the baffle is scraped into the waste material box, and the surface of the baffle is cleaned; when the fan subassembly during operation, the air current drives first flabellum and rotates, the second transmission shaft drives the rotation of third transmission shaft, the second sleeve pipe rotates along with the third transmission shaft is together, pulling third slider down motion under the effect of fourth connection rope, the fifth connecting block down drives the baffle down motion, the baffle contacts with the brush hair earlier, clear down the dust on brush hair surface under the baffle effect, do the clearance to the brush hair surface, the fifth connecting block continues down motion, the baffle promotes the brush hair crooked, make the baffle pass through from brush hair one side, make the baffle remove to seal the waste material box in the waste material box, avoid the air current to take the dust in the waste material box, so that collect the dust in the waste material box.
A first mounting plate 6 is arranged above the mounting box, a fourth sliding groove is formed in the first mounting plate, and a fourth sliding block 14 matched with the fourth sliding groove is arranged on the mounting box; a fifth sliding block 2710 is arranged on the first mounting block, and a fifth sliding groove matched with the fifth sliding block is formed in the inner wall of the first silencer; an eleventh movable groove is formed in the side wall of the first silencer, a limiting rod 210 is arranged in the eleventh movable groove, a limiting groove matched with the limiting rod is formed in the side wall of the installation box, an eighth connecting block 2101 is arranged on the limiting rod, a third bump is arranged on the eighth connecting block, and a second groove matched with the third bump is formed in the inner wall of the eleventh movable groove; when the fan structure is overhauled, an eighth connecting block is pushed to one end of an eleventh movable groove and drives a limiting rod to move, the limiting rod moves out of the limiting groove, the first silencer is disengaged from the installation box, the second silencer structure is the same as the first silencer structure, the daily silencer is disengaged from the installation box in the same way, the installation box is pushed along the fourth sliding groove and moves to a position staggered with the first silencer and the second silencer, the first installation block can be directly pulled out of the first silencer, dust in a waste box is cleaned, and meanwhile, a filter screen can be replaced or parts on the first installation block and the second installation block can be maintained; under mutually supporting of third lug and second recess, play preliminary fixed action to the eighth connecting block, promote the linkage effect of gag lever post and spacing groove to make the stable connection of install bin and muffler be in the same place when the gag lever post inserts the spacing inslot.
A second mounting plate 11 is arranged in the mounting box, and the fan assembly comprises a second driving motor 12 arranged on the second mounting plate and a plurality of second fan blades 13 arranged on an output shaft of the second driving motor; a sixth sliding block 111 is arranged at the bottom of the second mounting plate, and a sixth sliding groove matched with the sixth sliding block is arranged at the bottom of the second mounting plate; a sixth movable cavity is formed in the side wall of the sixth sliding groove, a third connecting rod 151 is arranged in the sixth movable cavity, a limiting block 15 is arranged on the third connecting rod, the limiting block penetrates through the sixth sliding groove, and a limiting spring 152 is arranged on the third connecting rod; after the mounting box misplaced with the silencer, promoted the third connecting rod toward the sixth activity intracavity, the third connecting rod drove the stopper and moved toward the sixth activity intracavity, and the stopper enters into the sixth activity intracavity back sixth slider can freely move in the sixth spout to can directly take out the second mounting panel from the mounting box, so that do the maintenance to the fan subassembly.
The structure of the air outlet pipe is the same as that of the air inlet pipe, and only the first silencer is internally provided with a first mounting block and a second mounting block so as to filter the air flow at the air inlet pipe; the second muffler is also provided with a supporting component; first driving motor, second driving motor in the present application's figure are the schematic diagram, and its concrete structure is the same with the motor structure among the prior art.
Claims (10)
1. The utility model provides a banana type efflux fan structure, includes install bin (1), locates respectively install bin (1) first silencer (2) and second silencer (3) at both ends and locate intake pipe (4) of first silencer (2) one end with locate outlet duct (5) of second silencer (3) one end, be equipped with fan subassembly, its characterized in that in install bin (1): intake pipe (4) bottom rotatable coupling in on first silencer (2), outlet duct (5) bottom rotatable coupling in on second silencer (3), be equipped with first sealing (42) on intake pipe (4), be equipped with the second sealing on outlet duct (5), be equipped with respectively on first silencer (2) and second silencer (3) and be used for dragging intake pipe (4) with the supporting component of outlet duct (5).
2. A banana-type jet fan structure according to claim 1, characterised in that: be equipped with first connecting plate (21) on first silencer (2), first connecting plate (21) one side is equipped with first connecting block (2502), wear to be equipped with first transmission shaft (250) on first connecting block (2502), first transmission shaft (250) one end is equipped with and is used for the drive first transmission shaft (250) pivoted driving motor (22), be equipped with line roller (270) on first silencer (2), around being equipped with first connecting rope on line roller (270), first connecting rope one end link firmly in on intake pipe (4), be equipped with on first transmission roller (250) with line roller (270) matched with first transmission wheel (2503).
3. A banana-type jet fan structure according to claim 2, characterised in that: the supporting assembly comprises a second connecting block (24) arranged on the first silencer (2), a guide frame (23) arranged above the second connecting block (24) and a pressing block (240) arranged in the guide frame (23), a first groove matched with the pressing block (240) is formed in the second connecting block (24), and the first connecting rope penetrates through the first groove; the inner wall of the first groove is provided with a first sliding block, the pressing block (240) is provided with a first sliding groove matched with the first sliding block, and the first driving motor (22) can drive the pressing block (240) to move up and down.
4. A banana-type jet fan structure according to claim 3, characterised in that: the first silencer (2) is provided with an installation frame (260), the installation frame (260) is provided with a second driving wheel (2601) and a third driving wheel (2602), the first transmission shaft (250) is provided with a fourth driving wheel (2501) matched with the second driving wheel (2601) and the third driving wheel (2602), the pressing block (240) is provided with a second connecting plate (2401), the guide frame (23) is provided with a third connecting plate (231), the first silencer (2) is provided with a connecting cavity, the second connecting block (24) is provided with a first through hole communicated with the connecting cavity, the top and the bottom of the second connecting plate (2401) are respectively provided with a second connecting rope (2402) and a third connecting rope (2403), the third connecting plate (231) is provided with a second through hole, the second connecting rope (2402) penetrates through the second through hole and is fixedly connected to the second driving wheel (2601), the third connecting rope (2403) penetrates through the connecting cavity and is fixedly connected to the third driving wheel (2602).
5. A banana-type jet fan structure according to claim 4, characterized in that: a first sleeve (221) is arranged on an output shaft of the first driving motor (22), the first transmission shaft (250) penetrates through the first sleeve (221), a first limiting plate (2504) is arranged on the first transmission shaft (250), a return spring is arranged on the first limiting plate (2504), and a first electromagnet is arranged at one end of the first sleeve (221); intake pipe (4) bottom is equipped with first connecting axle (41), first connecting axle (41) both ends are equipped with second connecting axle (411) respectively, be equipped with third connecting block (220) on first silencer (2), be equipped with first movable chamber on third connecting block (220), second connecting axle (411) are worn to locate first movable intracavity, first movable intracavity is equipped with fixed block (2201), works as briquetting (240) press in during in the first recess, fixed block (2201) support on second connecting axle (411).
6. A banana-type jet fan structure according to claim 5, characterized in that: a first movable groove (2203) is formed in the inner wall of the first movable cavity, the fixed block (2201) is arranged in the first movable groove (2203) in a penetrating mode, a fixed spring (2202) is arranged on the fixed block (2201), a first air transmission cavity (230) communicated with the first movable groove (2203) is formed in one side of the first movable groove (2203), a second air transmission cavity (290) communicated with the first air transmission cavity (230) is formed in the first silencer (2), and a first push plate (2803) is arranged at the top of the second air transmission cavity (290); a second movable cavity is arranged below the second connecting block (24), a second push plate (280) is arranged in the second movable cavity, a first supporting spring (2801) is arranged at the bottom of the second push plate (280), a second movable groove communicated with the second gas transmission cavity is arranged on the side wall of the second movable cavity, a first connecting rod (2802) is arranged on the second push plate (280), and a first push plate (2803) is arranged on the first connecting rod (2802); the bottom of the pressing block (240) is provided with a first push rod, and the first push rod penetrates through the second movable cavity.
7. A banana-type jet fan structure according to claim 5, characterized in that: a first bump (412) is arranged on the second connecting shaft (411), a plurality of through grooves are formed in the side wall of the first movable cavity, and a supporting plate (2204) penetrates through the through grooves; a first mounting block (27) is arranged in the first silencer (2), a connecting pipe (278) is arranged on the first mounting block (27), a second supporting spring (2781) is arranged in the connecting pipe (278), a second connecting rod (262) is arranged at the top end of the second supporting spring (2781), a fourth connecting plate (26) is arranged on the second connecting rod (262), a filter screen (25) is arranged on the first mounting block (27), the bottom end of the filter screen (25) is fixedly connected to the first mounting block (27), the top end of the filter screen (25) is fixedly connected to the fourth connecting plate (26), and a waste material box is arranged on the first mounting block (27); when the fan assembly works, the fourth connecting plate (26) moves upwards discontinuously.
8. A banana-type jet fan structure according to claim 7, characterized in that: the fan blade mounting structure is characterized in that a second mounting block (28) is arranged on the first mounting block (27), a third movable groove is formed in the second mounting block (28), a third push plate (281) is rotatably connected in the third movable groove, a fourth movable groove is formed in the second mounting block (28), a second transmission shaft (282) is arranged in the fourth movable groove in a penetrating manner, a fourth connecting block (283) is arranged at one end of the second transmission shaft (282), a plurality of first fan blades (2831) are arranged on the fourth connecting block (283), a fifth movable groove is formed in one side of the fourth movable groove, a sixth movable groove is formed in the bottom of the fifth movable groove, a second convex block (2821) is arranged on the second transmission shaft (282), the second convex block (2821) is arranged in the fifth movable groove, a fourth push plate (2831) is arranged in the sixth movable groove, a connecting frame (283) is arranged on the fourth push plate (2831), the third push plate (281) penetrates through the connecting frame (283); and a second sliding block is arranged on the fourth push plate (2831), and a second sliding groove matched with the second sliding block is arranged on the inner wall of the sixth movable groove.
9. A banana-type jet fan structure according to claim 8, characterized in that: a fifth connecting plate (277) is arranged at the top of the waste box, a third sliding groove is formed in the fifth connecting plate (277), a fifth connecting block (271) is arranged in the waste box, a baffle plate (2711) is rotatably connected to the fifth connecting block (271), a third sliding block (2713) matched with the third sliding groove is arranged on the fifth connecting block (271), and a first connecting spring (2714) is arranged at the top of the third sliding block (2713); a third movable cavity is arranged at the bottom of the fourth movable groove, a sixth connecting block is arranged on the waste material box, a fourth movable cavity communicated with the third movable cavity is arranged on the sixth connecting block, a third transmission shaft (273) is arranged in the fourth movable cavity, the third transmission shaft (273) is arranged in the third movable cavity in a penetrating mode, and the second transmission shaft (282) is in transmission fit with the third transmission shaft (273) through a synchronous belt (284); a second sleeve (275) is arranged in the third movable cavity, and the third transmission shaft (273) penetrates through the second sleeve (275); a cavity is formed in the third transmission shaft (273), an eighth movable groove communicated with the cavity is formed in one end of the third transmission shaft (273), a ninth movable groove is formed in the inner wall of the third movable cavity, a second connecting spring (276) is arranged in the ninth movable groove, a push block (2761) is arranged on the second connecting spring (276), the push block (2761) is arranged in the eighth movable groove in a penetrating mode, and a second electromagnet is arranged in the ninth movable groove; when the second sleeve (275) rotates, the fifth connecting block (271) can be driven to move downwards.
10. A banana-type jet fan structure according to claim 9, characterised in that: a sixth movable cavity communicated with the fourth movable cavity is formed in the bottom of the third sliding groove, a fourth connecting rope is arranged at the bottom of the third sliding block (2713), and one end of the fourth connecting rope is fixedly connected to the second sleeve (275); a tenth movable groove is formed in the side wall of the waste material box, a mounting bar (272) is arranged in the tenth movable groove, a plurality of bristles (2721) are arranged on the mounting bar (272), and a third connecting spring (2722) is arranged on the mounting bar (272); a fifth movable cavity communicated with the fourth movable cavity is arranged at the bottom of the tenth movable groove, a third connecting shaft (2731) is arranged at one end of the third transmission shaft (273), the third connecting shaft (2731) is arranged in the fifth movable cavity, a second push rod (274) is arranged in the fifth movable cavity, a third push rod (2741) is arranged at the bottom of the second push rod (274), and a third bump (2732) matched with the third push rod (2741) is arranged at the bottom of the third connecting shaft (2731); a seventh connecting block (279) is arranged on the inner wall of the fifth movable cavity, a third connecting spring (2791) is arranged on the seventh connecting block (279), and the bottom end of the third connecting spring (2791) is fixedly connected to the third push rod (2741).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011345635.7A CN112253552B (en) | 2020-11-25 | 2020-11-25 | Banana type jet fan structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011345635.7A CN112253552B (en) | 2020-11-25 | 2020-11-25 | Banana type jet fan structure |
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| CN112253552A true CN112253552A (en) | 2021-01-22 |
| CN112253552B CN112253552B (en) | 2023-09-19 |
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| CN202011345635.7A Active CN112253552B (en) | 2020-11-25 | 2020-11-25 | Banana type jet fan structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137389A (en) * | 2021-04-25 | 2021-07-20 | 浙江上风高科专风实业股份有限公司 | Novel long cantilever high-temperature fan |
| CN116221529A (en) * | 2023-04-13 | 2023-06-06 | 连云港市运国环保设备有限公司 | Muffler for ventilating duct |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113137389A (en) * | 2021-04-25 | 2021-07-20 | 浙江上风高科专风实业股份有限公司 | Novel long cantilever high-temperature fan |
| CN113137389B (en) * | 2021-04-25 | 2023-01-03 | 浙江上风高科专风实业股份有限公司 | Long cantilever high-temperature fan |
| CN116221529A (en) * | 2023-04-13 | 2023-06-06 | 连云港市运国环保设备有限公司 | Muffler for ventilating duct |
| CN116221529B (en) * | 2023-04-13 | 2023-08-29 | 连云港市运国环保设备有限公司 | Muffler for ventilating duct |
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| CN112253552B (en) | 2023-09-19 |
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