CN110056520B - Two-way automatic cleaning and air-changing device based on electronic technology - Google Patents

Two-way automatic cleaning and air-changing device based on electronic technology Download PDF

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Publication number
CN110056520B
CN110056520B CN201910189713.XA CN201910189713A CN110056520B CN 110056520 B CN110056520 B CN 110056520B CN 201910189713 A CN201910189713 A CN 201910189713A CN 110056520 B CN110056520 B CN 110056520B
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CN
China
Prior art keywords
strip
bar
shaped
electric telescopic
groove
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Expired - Fee Related
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CN201910189713.XA
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Chinese (zh)
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CN110056520A (en
Inventor
王辉
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Xianyang Vocational Technical College
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Xianyang Vocational Technical College
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Priority to CN201910189713.XA priority Critical patent/CN110056520B/en
Publication of CN110056520A publication Critical patent/CN110056520A/en
Application granted granted Critical
Publication of CN110056520B publication Critical patent/CN110056520B/en
Expired - Fee Related legal-status Critical Current
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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
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • 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
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transmission Devices (AREA)
  • Cleaning In General (AREA)

Abstract

The utility model provides a two-way automatic clearance breather based on electronic technology, including the standpipe, the coaxial motor of upper portion fixed mounting of standpipe, the coaxial ball of lower extreme fixed connection of motor shaft's upper end, the middle part screw thread installation ball nut of ball periphery, ball nut's top side bearing adapter sleeve adorns in the bottom side of the coaxial loose collar of ball periphery, the inboard in bar groove communicates with each other with the recess respectively, the right side in bar groove communicates with each other with the outside, same bar spout is established with the rear side of recess to the bar groove, two intermeshing complex gears of recess inner bearing installation, gliding bar tooth about the bar spout internal movable mounting can be, bar tooth passes through support fixed connection with the loose collar, the bar tooth can cooperate with two gear engagement respectively, bar inslot difference movable mounting bar pole. Along with shortening of the first electric telescopic rod, the bar-shaped teeth move upwards, the bar-shaped teeth drive the gear on the lower side to rotate, and the gear on the lower side drives the gear on the upper side to rotate reversely.

Description

Two-way automatic cleaning and air-changing device based on electronic technology
Technical Field
The invention belongs to the field of air interchangers, and particularly relates to a bidirectional automatic cleaning air interchanger based on an electronic technology.
Background
The ventilating fan is also called an exhaust fan and a ventilating fan, and the motor drives the fan blades to rotate to drive airflow so as to exchange indoor air and outdoor air. The purpose of exhaust is to remove indoor foul air, regulate temperature, humidity and sense effect, the exhaust fan is widely used in family and public place; however, the existing ventilating fan can only exhaust air in one direction generally, or the direction is controlled through the forward and reverse rotation of the motor, the speed of the exhaust air is controlled through the rotating speed of the motor, the motor needs to change speed and rotate in a reverse direction frequently, so that the abrasion of the motor is aggravated, the ventilating fan is used in environments with large oil smoke such as a kitchen, fan blades need to be cleaned frequently, the operation is complex, and the actual requirements cannot be met, so that the bidirectional automatic cleaning and ventilating device based on the electronic technology is invented by the people.
Disclosure of Invention
The invention provides a bidirectional automatic cleaning and ventilating device based on an electronic technology, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a bidirectional automatic cleaning and air exchange device based on an electronic technology comprises a vertical pipe, wherein a coaxial motor is fixedly installed at the upper part of the vertical pipe, the lower end of a motor rotating shaft is fixedly connected with the upper end of a coaxial ball screw, a ball nut is installed at the middle part of the periphery of the ball screw in a threaded manner, a top side bearing of the ball nut is connected to the bottom side of a coaxial movable ring at the periphery of the ball screw in a connecting manner, the bottom side of the motor is fixedly connected with the upper end of a first electric telescopic rod, the lower end of the first electric telescopic rod is fixedly connected with the top side of the movable ring, the lower end of the periphery of the ball screw is hinged and connected with one side of the inner ends of a plurality of strip-shaped plates which are uniformly and circumferentially distributed, a first spherical universal joint is fixedly installed on the other side of the inner ends of the top sides of the strip-shaped plates respectively, the movable ends of the first, the second spherical universal joint is respectively fixedly connected with the bottom sides of the ball nuts; the recess is seted up in the left side of standpipe inner wall, the bar groove is seted up respectively with the bottom side to the top side of recess, the inboard in bar groove communicates with each other with the recess respectively, the right side in bar groove communicates with each other with the outside, same bar spout is seted up with the rear side of recess in the bar groove, two intermeshing complex gears of recess inner bearing installation, gliding bar tooth about the bar spout interior movable mounting can, bar tooth passes through support fixed connection with the activity ring, the bar tooth can cooperate with two gear engagement respectively, bar inslot difference movable mounting bar pole, the inner of bar pole rear side respectively with the gear fixed connection who corresponds, the right side difference fixed mounting brush of bar pole, the top side fixed mounting controller of motor, the output of controller respectively with the motor, first electric telescopic handle electric connection.
As above a two-way automatic clearance breather based on electron technology, gear and recess be connected through torsional spring bearing respectively, the left side of bar respectively with the left side in close contact with cooperation in the bar groove that corresponds, the horizontal pole of support inserts second electric telescopic handle.
As above a two-way automatic clearance breather based on electron technology, second electric telescopic handle when extending the longest state, the bar tooth just in time can cooperate with gear engagement respectively, when second electric telescopic handle shortened to the shortest state, the bar tooth separates with the gear respectively, and there is the clearance in the right side of bar tooth and the outer end of bar shaped plate.
According to the bidirectional automatic cleaning and ventilating device based on the electronic technology, when the first electric telescopic rod is in the shortest or longest state, the second electric telescopic rod extends to the longest.
According to the two-way automatic cleaning and ventilating device based on the electronic technology, the upper end and the lower end of the vertical pipe are respectively provided with the protection net.
According to the bidirectional automatic cleaning and ventilating device based on the electronic technology, the two ends of the vertical pipe are respectively provided with the external thread pipes in a threaded manner, and the external thread pipes are respectively and fixedly provided with the protection net.
The invention has the advantages that: the cleaning device is simple in structure and ingenious in conception, changes the air exhaust direction and the air exhaust speed of the ventilation fan by changing the angle of the strip-shaped plate (fan blade), enables the motor to keep fixed rotating speed and steering, can reduce the abrasion of the motor and prolong the service life of the motor, is provided with the cleaning device, can automatically clean the strip-shaped plate (fan blade), is obvious in cleaning effect, can meet market requirements, and is suitable for popularization. When the device is used, the device is arranged on an exhaust channel, the controller is electrified, the controller controls the motor to rotate, the rotating shaft of the motor drives the ball screw to rotate, the ball screw drives the ball nut and the strip-shaped plate to rotate, the strip-shaped plate rotating in the state shown in the figure sucks air below the vertical pipe into the vertical pipe and exhausts the air from the upper end of the vertical pipe, the first electric telescopic rod is in the longest state, and the strip-shaped plate has the strongest upward exhaust capacity; when the air exhaust speed of the strip-shaped plate needs to be adjusted, the controller controls the first electric telescopic rod to be shortened, the lower end of the first electric telescopic rod drives the ball nut to move upwards along the ball screw through the movable ring, the ball nut and the ball screw rotate relatively, the ball nut pulls the other side of the inner end of the top side of the strip-shaped plate upwards through the second spherical universal joint, the arc-shaped rod and the first spherical universal joint, the strip-shaped plate rotates along a hinged shaft between the strip-shaped plate and the corresponding ball screw respectively, the included angle between the bottom side of the strip-shaped plate and the horizontal plane is gradually reduced, the air exhaust capacity of the strip-shaped plate is continuously reduced until the bottom side of the strip-shaped plate is parallel to the horizontal plane; when the device needs to exhaust air reversely, the controller controls the first electric telescopic rod to continuously shorten, the included angle between the bottom side of the strip-shaped plate and the horizontal plane is negative and gradually increases, the strip-shaped plate starts to exhaust air reversely, the reverse air exhaust capacity is gradually increased until the first electric telescopic rod is shortest, and the reverse air exhaust capacity of the strip-shaped plate is strongest; when the movable ring moves up and down, the movable ring drives the strip-shaped teeth to move up and down along the strip-shaped sliding groove through the support, when the first electric telescopic rod is longest, the uppermost teeth of the strip-shaped teeth are engaged with the lower gear, along with the shortening of the first electric telescopic rod, the strip-shaped teeth move up, the strip-shaped teeth drive the lower gear to rotate, the lower gear drives the upper gear to rotate reversely, the two gears drive the brush to rotate oppositely through the corresponding strip-shaped rods respectively, until the first electric telescopic rod is shortened to a half, the bottom side of the strip-shaped plate is parallel to the horizontal plane, the brush rotates 90 degrees oppositely, the right side of the brush can be contacted and matched with the top side or the bottom side of the corresponding strip-shaped plate respectively, the rotating strip-shaped plate passes between the two brushes, the brush cleans the top side and the bottom side of the strip-shaped plate, the uppermost teeth of the strip-shaped teeth are separated from, follow the bar tooth and continue the rebound, the gear revolve of upside is driven to the bar tooth, and the brush begins to remove dorsad, contracts to the shortest to first electric telescopic handle, and the brush gets into the bar inslot that corresponds again respectively, and when first electric telescopic handle extended again, the reverse order of above-mentioned process goes on, can clear up the strip-shaped plate at the process of this device air exhaust direction switching-over, reduces the loaded down with trivial details operation of artifical clearance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 1; fig. 4 is a state diagram in which a bar tooth is located between two gears.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A two-way automatic cleaning and air changing device based on electronic technology is disclosed, as shown in the figure, comprising a vertical tube 1, a motor 2 which is coaxial and fixedly arranged on the upper part of the vertical tube 1, the lower end of a rotating shaft of the motor 2 is fixedly connected with the upper end of a ball screw 3 which is coaxial, a ball nut 4 is arranged on the middle part of the periphery of the ball screw 3 in a threaded manner, a top side bearing of the ball nut 4 is connected and sleeved on the bottom side of a movable ring 5 which is coaxial and arranged on the periphery of the ball screw 3, the bottom side of the motor 2 is fixedly connected with the upper end of a first electric telescopic rod 6, the lower end of the first electric telescopic rod 6 is fixedly connected with the top side of the movable ring 5, the lower end of the periphery of the ball screw 3 is hinged and connected with one side of the inner ends of a plurality of strip-shaped plates 7 which are evenly and circumferentially, the ball screw 3 can enter the opening of the arc rod 9, the upper end of the arc rod 9 is fixedly connected with the movable end of a second spherical universal joint 10 respectively, and the second spherical universal joint 10 is fixedly connected with the bottom side of the ball nut 4 respectively; a groove 11 is arranged on the left side of the inner wall of the vertical pipe 1, a strip-shaped groove 12 is respectively arranged on the top side and the bottom side of the groove 11, the inner side of the strip-shaped groove 12 is respectively communicated with the groove 11, the right side of the strip-shaped groove 12 is communicated with the outside, the same strip-shaped chute 13 is arranged on the rear sides of the strip-shaped groove 12 and the groove 11, two gears 14 which are mutually meshed and matched are arranged in the groove 11 by a bearing, strip-shaped teeth 15 which can slide up and down are movably arranged in the strip-shaped chute 13, the strip-shaped teeth 15 are fixedly connected with the movable ring 5 through a bracket 16, the strip-shaped teeth 15 can be respectively meshed and matched with the two gears 14, the strip-shaped teeth 15 are meshed and matched with one gear 14, and are meshed with the other gear 14, strip-shaped rods 17 are respectively and movably arranged in the strip-shaped groove 12, the inner ends of the rear sides, the output end of the controller 22 is electrically connected to the motor 2 and the first electric telescopic rod 6 respectively. The cleaning device is simple in structure and ingenious in conception, changes the air exhaust direction and the air exhaust speed of the ventilation fan by changing the angle of the strip-shaped plate (fan blade), enables the motor to keep fixed rotating speed and steering, can reduce the abrasion of the motor and prolong the service life of the motor, is provided with the cleaning device, can automatically clean the strip-shaped plate (fan blade), is obvious in cleaning effect, can meet market requirements, and is suitable for popularization. When the device is used, the device is arranged on an exhaust channel, the controller 22 is electrified, the controller 22 controls the motor 2 to rotate, the rotating shaft of the motor 2 drives the ball screw 3 to rotate, the ball screw 3 drives the ball nut 4 and the strip-shaped plate 7 to rotate, the strip-shaped plate 7 which rotates in the state shown in figure 1 sucks air below the vertical pipe 1 into the vertical pipe 1 and discharges the air from the upper end of the vertical pipe 1, the first electric telescopic rod 6 is in the longest state, and the strip-shaped plate 7 has the strongest upward exhaust capacity; when the air exhaust speed of the strip-shaped plate 7 needs to be adjusted, the controller 22 controls the first electric telescopic rod 6 to be shortened, the lower end of the first electric telescopic rod 6 drives the ball nut 4 to move upwards along the ball screw 3 through the movable ring 5, the ball nut 4 and the ball screw 3 rotate relatively, the ball nut 4 pulls upwards through the second spherical universal joint 10, the arc-shaped rod 9 and the first spherical universal joint 8 to pull the other side of the inner end of the top side of the strip-shaped plate 7, the strip-shaped plate 7 rotates respectively along the hinged shafts between the strip-shaped plate 7 and the corresponding ball screws 3, the included angle between the bottom side of the strip-shaped plate 7 and the horizontal plane is gradually reduced, the air exhaust capacity of the strip-shaped plate 7 is continuously reduced until the bottom side of the strip-shaped plate 7 is parallel to the horizontal plane; when the device needs to exhaust air reversely, the controller 22 controls the first electric telescopic rod 6 to be continuously shortened, the included angle between the bottom side of the strip-shaped plate 7 and the horizontal plane is negative and gradually increased, the strip-shaped plate 7 starts to exhaust air reversely, the reverse air exhaust capacity is gradually increased until the first electric telescopic rod 6 is shortest, and the reverse air exhaust capacity of the strip-shaped plate 7 is strongest; when the movable ring 5 moves up and down, the support 16 drives the strip-shaped teeth 15 to move up and down along the strip-shaped sliding groove 13, when the first electric telescopic rod 6 is longest, the teeth on the uppermost side of the strip-shaped teeth 15 are meshed and matched with the gear 14 on the lower side, the strip-shaped teeth 15 move up along with the shortening of the first electric telescopic rod 6, the strip-shaped teeth 15 drive the gear 14 on the lower side to rotate, the gear 14 on the lower side drives the gear 14 on the upper side to rotate reversely, the two gears 14 respectively drive the brushes to rotate oppositely through the corresponding strip-shaped rods 17 until the first electric telescopic rod 6 is shortened to a half, the bottom sides of the strip-shaped plates 7 are parallel to the horizontal plane at the moment, the brushes rotate oppositely by 90 degrees, the right sides of the brushes can be respectively contacted and matched with the top sides or the bottom sides of the corresponding strip-shaped plates 7, the rotating strip-shaped plates 7 pass through between the two brushes, the tooth of bar tooth 15 the top and the gear 14 of upside begin to mesh the cooperation, continue the rebound along with bar tooth 15, bar tooth 15 drives the gear 14 rotation of upside, the brush begins to remove dorsad, it is shortest to first electric telescopic handle 6 contracts, the brush gets into the bar groove 12 that corresponds again respectively, when first electric telescopic handle 6 when extending again, the reverse order of above-mentioned process goes on, can clear up bar shaped plate 7 at the process of this device air exhaust direction switching-over, reduce the loaded down with trivial details operation of artifical clearance.
Specifically, as shown in the figure, the gear 14 and the groove 11 described in this embodiment are respectively connected through a torsion spring bearing, the left side of the bar-shaped rod 17 is respectively in close contact fit with the left side of the corresponding bar-shaped groove 12, and the cross rod of the bracket 16 is connected to the second electric telescopic rod 19. After the second electric telescopic handle 19 shortened, bar tooth 15 separates with gear 14 respectively, and the left side of bar 17 respectively with the left side in bar groove 12's that corresponds left side in close contact with cooperation under the effect of torsional spring, when the activity ring 5 drove bar tooth 15 through support 16 and reciprocated, gear 14 did not rotate, and the brush keeps being located the bar groove 12 that corresponds, avoids the brush to form the influence to the rotation of strip-shaped plate 7.
Specifically, as shown in the figure, when second electric telescopic handle 19 described in this embodiment extended to the longest state, bar tooth 15 just can cooperate with the meshing of gear 14 respectively, and when second electric telescopic handle 19 shortened to the shortest state, bar tooth 15 separated from gear 14 respectively, and there was the clearance in the right side of bar tooth 15 and the outer end of strip 17. The strip-shaped plate 17 is prevented from being influenced when the strip-shaped teeth 15 move left and right.
Further, as shown in the drawings, when the first electric telescopic rod 6 of the present embodiment is in the shortest or longest state, the second electric telescopic rod 19 is extended to the longest. One end of the teeth of the bar-shaped teeth 15 is just engaged with the corresponding gear 14, so that the relative position between the bar-shaped teeth 15 and the gear 14 can be conveniently determined.
Further, as shown in the drawings, the vertical pipe 1 of the present embodiment is provided with a protection net 20 at the upper end and the lower end thereof, respectively. Inside great fibre strap got into standpipe 1 can be avoided to protection net 20, formed the winding to strip shaped plate 7, avoided foreign matter such as toy to miss simultaneously and gone into in standpipe 1.
Furthermore, as shown in the drawings, the two ends of the vertical pipe 1 according to the present embodiment are respectively screwed with an external threaded pipe 21, and a protection net 20 is respectively fixedly installed in the external threaded pipe 21. The protection net 20 and the vertical pipe 1 are convenient to install and detach through the external thread pipe 21 and the thread steel, and the device is convenient to overhaul.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a two-way automatic clearance breather based on electron technology which characterized in that: comprises a vertical pipe (1), a coaxial motor (2) is fixedly installed on the upper part of the vertical pipe (1), the lower end of a rotating shaft of the motor (2) is fixedly connected with the upper end of a coaxial ball screw (3), a ball nut (4) is installed on the middle thread of the periphery of the ball screw (3), a top side bearing of the ball nut (4) is connected and sleeved on the bottom side of a coaxial movable ring (5) on the periphery of the ball screw (3), the bottom side of the motor (2) is fixedly connected with the upper end of a first electric telescopic rod (6), the lower end of the first electric telescopic rod (6) is fixedly connected with the top side of the movable ring (5), the lower end of the periphery of the ball screw (3) is hinged with one side of the inner ends of a plurality of strip-shaped plates (7) which are uniformly and circumferentially distributed, a first spherical universal joint (8) is fixedly installed on the other side of the top side of the strip-shaped plates (7) respectively, the, the ball screw (3) can enter the opening of the arc-shaped rod (9), the upper end of the arc-shaped rod (9) is fixedly connected with the movable end of a second spherical universal joint (10) respectively, and the second spherical universal joint (10) is fixedly connected with the bottom side of the ball nut (4) respectively; a groove (11) is formed in the left side of the inner wall of a vertical pipe (1), a strip-shaped groove (12) is formed in the top side and the bottom side of the groove (11) respectively, the inner side of the strip-shaped groove (12) is communicated with the groove (11) respectively, the right side of the strip-shaped groove (12) is communicated with the outside, the back sides of the strip-shaped groove (12) and the groove (11) are provided with a same strip-shaped sliding chute (13), two gears (14) which are mutually meshed and matched are mounted on a bearing in the groove (11), strip-shaped teeth (15) which can slide up and down are movably mounted in the strip-shaped sliding chute (13), the strip-shaped teeth (15) are fixedly connected with a movable ring (5) through a bracket (16), the strip-shaped teeth (15) can be respectively meshed and matched with the two gears (14), strip-shaped rods (17) are movably mounted in the strip-shaped groove (12) respectively, the inner end of the back, the controller (22) is fixedly installed on the top side of the motor (2), and the output end of the controller (22) is electrically connected with the motor (2) and the first electric telescopic rod (6) respectively.
2. The electronic-technology-based bidirectional automatic cleaning and ventilating device as claimed in claim 1, wherein: gear (14) and recess (11) be connected through the torsional spring bearing respectively, the left side of bar (17) respectively with the left side in close contact with cooperation of the bar groove (12) that corresponds, the horizontal pole of support (16) inserts second electric telescopic handle (19).
3. The electronic-technology-based bidirectional automatic cleaning and ventilating device as claimed in claim 2, wherein: when second electric telescopic handle (19) extended to the longest state, bar tooth (15) just in time can cooperate with gear (14) meshing respectively, when second electric telescopic handle (19) shortened to the shortest state, bar tooth (15) separated with gear (14) respectively, and there was the clearance in the right side of bar tooth (15) and the outer end of strip shaped plate (17).
4. The electronic-technology-based bidirectional automatic cleaning and ventilating device as claimed in claim 1, wherein: when the first electric telescopic rod (6) is in the shortest or longest state, the second electric telescopic rod (19) is extended to the longest.
5. The electronic-technology-based bidirectional automatic cleaning and ventilating device as claimed in claim 1, wherein: the upper end and the lower end of the vertical pipe (1) are respectively provided with a protection net (20).
6. The electronic-technology-based bidirectional automatic cleaning and ventilating device as claimed in claim 5, wherein: the two ends of the vertical pipe (1) are respectively provided with an external thread pipe (21) in a threaded manner, and a protection net (20) is respectively and fixedly arranged in the external thread pipe (21).
CN201910189713.XA 2019-03-13 2019-03-13 Two-way automatic cleaning and air-changing device based on electronic technology Expired - Fee Related CN110056520B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910189713.XA CN110056520B (en) 2019-03-13 2019-03-13 Two-way automatic cleaning and air-changing device based on electronic technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910189713.XA CN110056520B (en) 2019-03-13 2019-03-13 Two-way automatic cleaning and air-changing device based on electronic technology

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Publication Number Publication Date
CN110056520A CN110056520A (en) 2019-07-26
CN110056520B true CN110056520B (en) 2021-02-05

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT340032B (en) * 1975-01-11 1977-11-25 Voith Getriebe Kg AXIAL BLOWER WITH CONTINUOUSLY ADJUSTABLE IMPELLER BLADES
ZA849335B (en) * 1984-03-13 1985-07-31 Peabody Abc Corp Controllable pitch vaneaxial fans
JP3283712B2 (en) * 1994-11-16 2002-05-20 松下精工株式会社 Ventilation equipment
JP3510047B2 (en) * 1996-06-17 2004-03-22 株式会社 日立インダストリイズ Jet fan
US7726945B2 (en) * 2007-02-08 2010-06-01 Rite-Hite Holding Corporation Industrial ceiling fan
DE202009000716U1 (en) * 2008-01-25 2009-06-04 Ebm-Papst St. Georgen Gmbh & Co. Kg Fan
CN208169200U (en) * 2018-05-10 2018-11-30 河北广臻科技有限公司 A kind of intelligent axial flow blower of regulating blade angle
CN208417060U (en) * 2018-05-27 2019-01-22 东莞市兴东电子有限公司 A kind of adjustable flabellum component of fan blade angles

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