CN115013336A - Negative pressure industrial ventilation fan convenient for adjusting wind direction - Google Patents
Negative pressure industrial ventilation fan convenient for adjusting wind direction Download PDFInfo
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- CN115013336A CN115013336A CN202210804980.5A CN202210804980A CN115013336A CN 115013336 A CN115013336 A CN 115013336A CN 202210804980 A CN202210804980 A CN 202210804980A CN 115013336 A CN115013336 A CN 115013336A
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- fixed
- negative pressure
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- frame
- gear
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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
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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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
- 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
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially 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
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps 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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a negative pressure industrial ventilation fan convenient for adjusting the wind direction, which comprises a negative pressure fan, wherein a protection mechanism is arranged at the rear end of the negative pressure fan, the protection mechanism comprises a dustproof frame, a dustproof net, an L-shaped plate, an installation plate and a threaded knob, the dustproof net is fixedly connected in the frame of the dustproof frame, and the L-shaped plate is fixedly connected at the upper end and the lower end of the dustproof frame. The invention relates to a negative pressure industrial ventilation fan convenient for adjusting the wind direction, which belongs to the field of fans.A second adjusting mechanism is arranged, a second motor drives a second bevel gear, then the second bevel gear drives a first bevel gear to rotate, the first bevel gear drives a worm to rotate, finally the worm rotates to drive a second gear to rotate and complete the adjustment operation of the front and back inclination angles of a ventilation board, so that the adjustment of the negative pressure fan can realize the air supply operation upwards or downwards, and the wind degree can be adjusted through the closure degree between the ventilation boards.
Description
Technical Field
The invention relates to the field of fans, in particular to a negative pressure industrial ventilation fan convenient for adjusting the wind direction.
Background
The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling. The negative pressure fan is a machine which utilizes the cooling principle of air convection and negative pressure ventilation, naturally sucks fresh air from a gate or a window opposite to an installation site, quickly and forcibly exhausts indoor hot air outdoors, and can improve any problem of poor ventilation, and the cooling and ventilation effect can reach 90-97%. However, most of the conventional negative pressure industrial ventilation fans are in a fixed state, so that the air supply direction of the negative pressure industrial ventilation fan is in directional air supply, the air supply direction of the negative pressure industrial ventilation fan cannot be adjusted by a user, the practicability of the negative pressure industrial ventilation fan is reduced, meanwhile, the air supply air degree cannot be effectively adjusted in the air supply process, and in addition, because the negative pressure industrial ventilation fan lacks protective measures in the air supply process, external dust and floaters in the air are easily fed into a room together, and the air supply effect of the negative pressure industrial ventilation fan is seriously influenced.
Disclosure of Invention
The invention mainly aims to provide a negative pressure industrial ventilation fan convenient for adjusting the wind direction, which can effectively solve the problems in the background technology.
In order to realize the purpose, the invention adopts the technical scheme that:
a negative pressure industrial ventilation fan convenient for adjusting the wind direction comprises a negative pressure fan, wherein the rear end of the negative pressure fan is provided with a protection mechanism, the protection mechanism comprises a dustproof frame, a dustproof net, an L-shaped plate, a mounting plate and a threaded knob, the dustproof net is fixedly connected in the frame of the dustproof frame, the L-shaped plate is fixedly connected at the upper end and the lower end of the dustproof frame, the mounting plate is movably connected at the front end of the L-shaped plate through sliding blocks on two sides of the top surface, the threaded knob penetrates through the L-shaped plate and is movably connected on the mounting plate through a rotating block at the front end, the front end of the negative pressure fan is provided with a first adjusting mechanism, the first adjusting mechanism comprises a connecting seat, an air supply pipe, a fixed frame, an outer toothed ring, a first motor, a first gear and a fixed block, the connecting seat is fixedly connected at the front end of the negative pressure fan through a flange, the air supply pipe is movably connected in the front end wall of the connecting seat through a T-shaped sliding block on the outer wall, the air supply pipe is fixedly connected with the front end of the air supply pipe, symmetrical fixed blocks are fixedly connected to the side wall of the fixed frame, the first motor is fixedly connected to the top surface of the connecting seat, the first gear is fixedly connected to the output end of the first motor, the air supply pipe is meshed with the first gear through an outer gear ring on the outer wall, a second adjusting mechanism is arranged in the frame of the fixed frame, the second adjusting mechanism comprises an air adjusting plate, a worm, a second motor and a second bevel gear, the air adjusting plate is movably connected in the fixed frame through first rotating rods at two ends, the second gear is fixedly connected to the outer portion of the first rotating rod at one end, the worm is movably connected between the fixed blocks through second rotating rods at two ends, the second motor is fixedly connected to the top surface of the fixed frame, and the second bevel gear is fixedly connected to the output end of the second motor, and the second rotating rod at the upper end is meshed with the second bevel gear through the first bevel gear on the top surface.
Preferably, the dustproof net is fixedly mounted in the dustproof frame, the upper end and the lower end of the dustproof frame are respectively and fixedly mounted with the L-shaped plate, a set of symmetrical sliding grooves are formed in the inner side wall of the L-shaped plate, and threaded holes are formed in the rear end wall of the L-shaped plate.
Preferably, the top fixed mounting of mounting panel has the sliding block of a set of symmetry, and sliding block slidable mounting is in the sliding tray, the tongue has still been seted up on the rear end wall of mounting panel, screw thread knob screw in is installed in the screw hole, and the front end fixed mounting of screw thread knob has the turning block, turning block movable mounting is in the tongue.
Preferably, the front end of the connecting seat is provided with a mounting opening, and the inner wall of the mounting opening is provided with a T-shaped ring groove.
Preferably, the blast pipe is located in the mounting opening, the four sides of the outer wall of the pipeline of the blast pipe are respectively and fixedly provided with a T-shaped sliding block, the T-shaped sliding blocks are slidably arranged in the T-shaped annular grooves, and the outer wall of the blast pipe is further fixedly provided with an outer toothed ring in a sleeved mode and is located in front of the T-shaped sliding blocks.
Preferably, the first motor is fixedly installed on the top surface of the connecting seat through a bolt, a first gear is fixedly installed at the output end of the first motor, and the first gear is meshed with the outer gear ring.
Preferably, the front end fixed mounting of blast pipe has fixed frame, and has seted up the mounting hole of a plurality of symmetry on the both sides lateral wall of fixed frame respectively, the downthehole fixed mounting of mounting hole has rolling bearing, still fixed mounting has a set of longitudinal symmetry's fixed block on the left side wall of fixed frame, and the top surface of fixed block has seted up the rotation hole.
Preferably, the air adjusting plate is provided with a plurality of air adjusting plates, first rotating rods are fixedly mounted on two sides of each air adjusting plate respectively, the first rotating rods are fixedly mounted in the shafts of the symmetrical rotating bearings in a penetrating mode, and second gears are fixedly mounted on the end walls of the first rotating rods at the left ends.
Preferably, the worm is located between the fixed block, and the upper and lower both ends of worm respectively fixed mounting have the second dwang, the second dwang alternates to be installed in rotating the hole, and the top surface of upper end second dwang still fixed mounting have first bevel gear, the worm is in the same place with second gear intermeshing.
Preferably, the second motor is fixedly installed on the top surface of the fixing frame through a bolt, a second bevel gear is fixedly installed at the output end of the second motor, and the second bevel gear and the first bevel gear are meshed together.
Compared with the prior art, the invention has the following beneficial effects:
1. the protection mechanism is arranged, so that a user can conveniently install and detach the dustproof frame on and from the negative pressure fan, and can prevent external dust and sundries from entering the negative pressure fan through the dustproof net arranged in the dustproof frame in the use process of the negative pressure fan;
2. the second adjusting mechanism is arranged, the second bevel gear is driven by the second motor to rotate after the second bevel gear is driven by the second motor, the worm is driven by the first bevel gear to rotate, finally, the second gear is driven by the rotation of the worm to rotate and the adjustment operation of the front and back inclination angles of the air adjusting plate is completed, so that the adjustment of the negative pressure fan can realize the air supply operation upwards or downwards, and the air degree can be adjusted through the closure degree between the air adjusting plates;
3. the first adjusting mechanism and the second adjusting mechanism that set up use in a linkage way, and when the in-process that second adjusting mechanism was using, first motor drive first gear comes to drive the blast pipe through outer ring gear and realizes three hundred sixty degrees rotation operations to but this cooperation second adjusting mechanism's use multi-angle's regulation negative-pressure air fan's air supply wind direction, and improve negative-pressure air fan's practicality.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a rear view of the overall structure of the present invention;
FIG. 3 is a schematic view of the protection mechanism of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. A of the present invention;
FIG. 5 is a sectional view of the connecting base of the present invention;
FIG. 6 is a schematic, disassembled view of a first adjustment mechanism of the present invention;
fig. 7 is an overall structural schematic diagram of the second adjustment mechanism of the present invention.
In the figure: 1. a negative pressure fan; 2. a protection mechanism; 3. a first adjustment mechanism; 4. a second adjustment mechanism; 5. a dust-proof frame; 6. a dust screen; 7. an L-shaped plate; 8. a sliding groove; 9. mounting a plate; 10. a slider; 11. a threaded hole; 12. a convex groove; 13. a threaded knob; 14. rotating the block; 15. a connecting seat; 16. an installation port; 17. a T-shaped ring groove; 18. an air supply pipe; 19. a fixing frame; 20. a T-shaped slider; 21. an outer ring gear; 22. a first motor; 23. a first gear; 24. mounting holes; 25. a rotating bearing; 26. a fixed block; 27. rotating the hole; 28. an air adjusting plate; 29. a first rotating lever; 30. a second gear; 31. a worm; 32. a second rotating rod; 33. a first bevel gear; 34. a second motor; 35. a second bevel gear.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows:
as shown in fig. 1-4, a negative pressure industrial ventilation fan convenient for adjusting wind direction comprises a negative pressure fan 1, a protection mechanism 2 is arranged at the rear end of the negative pressure fan 1, the protection mechanism 2 comprises a dustproof frame 5, a dustproof net 6, an L-shaped plate 7, a mounting plate 9 and a threaded knob 13, the dustproof net 6 is fixedly connected in the frame of the dustproof frame 5, the L-shaped plate 7 is fixedly connected at the upper and lower ends of the dustproof frame 5, the mounting plate 9 is movably connected at the front end of the L-shaped plate 7 through sliding blocks 10 at the two sides of the top surface, the threaded knob 13 passes through the L-shaped plate 7 and is movably connected on the mounting plate 9 through a rotating block 14 at the front end, the dustproof net 6 is fixedly installed in the frame of the dustproof frame 5, the L-shaped plate 7 is fixedly installed at the upper and lower ends of the dustproof frame 5 respectively, a set of symmetrical sliding grooves 8 are arranged on the inner side wall of the L-shaped plate 7, and a threaded hole 11 is also arranged on the rear end wall of the L-shaped plate 7, a group of symmetrical sliding blocks 10 are fixedly installed at the top end of the installation plate 9, the sliding blocks 10 are installed in the sliding grooves 8 in a sliding mode, convex grooves 12 are further formed in the rear end wall of the installation plate 9, the threaded knob 13 is installed in the threaded hole 11 in a screwed mode, a rotating block 14 is fixedly installed at the front end of the threaded knob 13, and the rotating block 14 is movably installed in the convex grooves 12;
in the embodiment, in order to protect the negative pressure fan 1 and prevent external dust and floating objects in the air from entering the negative pressure fan 1 during the air supply process of the negative pressure fan 1, when the negative pressure fan is used, the dustproof frame 5 is firstly installed on the rear end of the negative pressure fan 1 in a side-direction installation mode, the upper edge part and the lower edge part of the flange on the rear end of the negative pressure fan 1 are arranged between the L-shaped plate 7 installed on the dustproof frame 5 and the installation plate 9, the dustproof frame 5 is aligned with the rear end air inlet of the negative pressure fan 1, then the threaded knob 13 on the outer part of the L-shaped plate 7 is rotated, the threaded knob 13 realizes the threaded rotation operation in the threaded hole 11 formed on the L-shaped plate 7, the rotating block 14 installed at the front end of the threaded knob 13 rotates in the convex groove 12 formed on the installation plate 9, and the installation plate 9 is driven to be attached to the L-shaped plate 7 continuously by rotating the threaded knob 13, in the moving process of the mounting plate 9, the sliding block 10 mounted on the mounting plate slides in the sliding groove 8 formed in the L-shaped plate 7 until the threaded knob 13 can not be rotated, so that the dustproof frame 5 is mounted at the rear end of the negative pressure fan 1 in a clamping manner, when the negative pressure fan 1 is in operation and external air enters the negative pressure fan 1, the dustproof net 6 mounted in the frame of the dustproof frame 5 filters impurities and dust in the air entering the negative pressure fan 1, and the dust and the impurities are prevented from entering the negative pressure fan 1.
Example two:
as shown in fig. 5-6, in this embodiment, in order to realize the multi-angle adjustment operation of the wind direction of the negative pressure fan 1, the front end of the negative pressure fan 1 is provided with the first adjusting mechanism 3, the first adjusting mechanism 3 includes a connecting seat 15, an air supply pipe 18, a fixing frame 19, an outer toothed ring 21, a first motor 22, a first gear 23 and a fixing block 26, the connecting seat 15 is fixedly connected to the front end of the negative pressure fan 1 through a flange, the air supply pipe 18 is movably connected to the front end wall of the connecting seat 15 through a T-shaped slider 20 on the outer wall, the fixing frame 19 is fixedly connected to the front end of the air supply pipe 18, the side wall of the fixing frame 19 is fixedly connected to symmetrical fixing blocks 26, the first motor 22 is fixedly connected to the top surface of the connecting seat 15, the first gear 23 is fixedly connected to the output end of the first motor 22, the air supply pipe 18 is engaged with the first gear 23 through the outer toothed ring 21 on the outer wall, the front end of the connecting seat 15 is provided with an installation opening 16, a T-shaped ring groove 17 is formed in the inner wall of the mounting opening 16, the air supply pipe 18 is located in the mounting opening 16, T-shaped sliders 20 are fixedly mounted on four sides of the outer wall of the pipeline of the air supply pipe 18 respectively, the T-shaped sliders 20 are slidably mounted in the T-shaped ring groove 17, an outer toothed ring 21 is fixedly mounted on the outer wall of the air supply pipe 18 in a sleeved mode and located in front of the T-shaped sliders 20, the first motor 22 is fixedly mounted on the top surface of the connecting seat 15 through bolts, a first gear 23 is fixedly mounted at the output end of the first motor 22, and the first gear 23 and the outer toothed ring 21 are meshed together;
when the second adjusting mechanism 4 is used and a user needs to adjust the air supply direction of the negative pressure fan 1, the first motor 22 installed on the connecting seat 15 is turned on, the first motor 22 drives the output end to drive the first gear 23 to rotate, because the first gear 23 is meshed with the outer gear ring 21, and the outer gear ring 21 is installed on the air supply pipe 18, the first gear 23 drives the air supply pipe 18 to synchronously rotate in the installation port 16 opened on the connecting seat 15 by the outer gear ring 21 after rotating, and in the rotating process of the air supply pipe 18, the T-shaped slider 20 installed on the outer wall of the air supply pipe 18 realizes annular sliding operation in the T-shaped groove 17 opened on the inner wall of the installation port 16, at this time, the fixing frame 19 installed at the front end of the air supply pipe 18 will also change, and the second adjusting mechanism 4 installed in the fixing frame 19 can control the negative pressure fan 1 to realize up-down air supply operation, therefore, the blowing wind direction of the negative pressure fan 1 can be adjusted by three, eight, sixty degrees.
Example three:
as shown in fig. 7, in the present embodiment, in order to realize the up-and-down air supply operation of the negative pressure fan 1 and improve the air supply air volume, a second adjusting mechanism 4 is arranged in the frame of the fixed frame 19, the second adjusting mechanism 4 includes an air adjusting plate 28, a worm 31, a second motor 34 and a second bevel gear 35, the air adjusting plate 28 is movably connected in the fixed frame 19 through first rotating rods 29 at two ends, and a second gear 30 is fixedly connected on the outer portion of the first rotating rod 29 at one end, the worm 31 is movably connected between the fixed blocks 26 through second rotating rods 32 at two ends, the second motor 34 is fixedly connected on the top surface of the fixed frame 19, the second bevel gear 35 is fixedly connected on the output end of the second motor 34, the second rotating rod 32 at the upper end is engaged with the second bevel gear 35 through the first bevel gear 33 on the top surface, the fixed frame 19 is fixedly installed at the front end of the air supply pipe 18, and a plurality of symmetrical installation holes 24 are respectively opened on the two side walls of the fixed frame 19, a rotating bearing 25 is fixedly installed in the hole of the mounting hole 24, a set of vertically symmetrical fixed blocks 26 is further fixedly installed on the left side wall of the fixed frame 19, a rotating hole 27 is opened on the top surface of the fixed block 26, a plurality of air adjusting plates 28 are provided, first rotating rods 29 are respectively fixedly installed on both sides of the air adjusting plates 28, the first rotating rods 29 are fixedly installed in the shafts of the symmetrical rotating bearings 25 in an inserting manner, second gears 30 are further fixedly installed on the end walls of the first rotating rods 29 on the left end, worms 31 are located between the fixed blocks 26, second rotating rods 32 are respectively fixedly installed on the upper and lower ends of the worms 31, the second rotating rods 32 are installed in the rotating holes 27 in an inserting manner, first bevel gears 33 are further fixedly installed on the top surfaces of the second rotating rods 32 on the upper ends, the worms 31 are engaged with the second gears 30, and second motors 34 are fixedly installed on the top surface of the fixed frame 19 through bolts, a second bevel gear 35 is fixedly arranged at the output end of the second motor 34, and the second bevel gear 35 and the first bevel gear 33 are meshed together;
when the negative pressure fan 1 is in use, the power supply of the second motor 34 installed on the fixed frame 19 is started, the output end of the second motor 34 drives the second bevel gear 35 to rotate, because the second bevel gear 35 is meshed with the first bevel gear 33, the second bevel gear 35 will synchronously drive the first bevel gear 33 to rotate, because the first bevel gear 33 is fixed on the second rotating rod 32, the rotation of the first bevel gear 33 will drive the second rotating rods 32 at the upper and lower ends of the worm 31 to rotate in the rotating holes 27 formed on the symmetrical fixed blocks 26, and the rotation of the second rotating rod 32 drives the worm 31 to rotate between the fixed blocks 26, because the second gears 30 installed on the first rotating rods 29 on the left side of the plurality of air adjusting plates 28 are meshed with the worm 31, the plurality of second gears 30 on the left side of the fixed frame 19 will be driven to realize synchronous rotating operation after the worm 31 starts to rotate, after the second gear 30 rotates, the first rotating rods 29 installed on both sides of the air adjusting plate 28 rotate in the rotating bearings 25 installed in the installation holes 24 formed in both sides of the fixed frame 19, and thus the air adjusting plates 28 in the fixed frame 19 in a closed state are driven to change in an inclined manner, when the worm 31 rotates clockwise, the negative pressure fan 1 supplies air upwards through the air adjusting plates 28, when the worm 31 rotates counterclockwise, the negative pressure fan 1 supplies air downwards through the air adjusting plates 28, the air supply degree of the negative pressure fan 1 can be controlled by the inclination degree between the air adjusting plates 28, the air adjusting plates 28 can be self-locked, and the influence on the air adjusting plates 28 due to excessive wind power is avoided.
While the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof or for parts thereof without departing from the scope of the invention.
Claims (10)
1. The utility model provides a conveniently adjust negative pressure industry ventilation blower of wind direction, includes negative-pressure air fan (1), its characterized in that: the rear end of negative-pressure air fan (1) is equipped with protection machanism (2), protection machanism (2) are including dustproof frame (5), dust screen (6), L template (7), mounting panel (9) and screw thread knob (13), dust screen (6) fixed connection is in the frame of dustproof frame (5), L template (7) fixed connection is at the upper and lower both ends of dustproof frame (5), sliding block (10) swing joint that mounting panel (9) pass through the top surface both sides is at the front end of L template (7), screw thread knob (13) pass L template (7) and through turning block (14) swing joint of front end on mounting panel (9), the front end of negative-pressure air fan (1) is equipped with first adjustment mechanism (3), first adjustment mechanism (3) are including connecting seat (15), blast pipe (18), fixed frame (19), outer ring gear (21), First motor (22), first gear (23) and fixed block (26), connecting seat (15) are through the front end of flange fixed connection at negative-pressure air fan (1), blast pipe (18) are through T type slider (20) swing joint on the outer wall in the front end wall of connecting seat (15), fixed frame (19) fixed connection is at the front end of blast pipe (18), and the lateral wall fixedly connected with of fixed frame (19) fixed block (26) of symmetry, first motor (22) fixed connection is at the top surface of connecting seat (15), and first gear (23) fixed connection is on the output of first motor (22), blast pipe (18) mesh with first gear (23) through outer ring gear (21) on the outer wall, be equipped with second adjustment mechanism (4) in the frame of fixed frame (19), second adjustment mechanism (4) are including air regulating plate (28), Worm (31), second motor (34) and second bevel gear (35), air adjusting plate (28) are through first dwang (29) swing joint at both ends in fixed frame (19), and wherein fixedly connected with second gear (30) on the outside of first dwang (29) of one end, worm (31) are through second dwang (32) swing joint at both ends between fixed block (26), second motor (34) fixed connection is on the top surface of fixed frame (19), second bevel gear (35) fixed connection is on the output of second motor (34), upper end first bevel gear (33) and second bevel gear (35) meshing of second dwang (32) through the top surface.
2. The negative pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 1, is characterized in that: fixed mounting has dust screen (6) in the frame of dustproof frame (5), and the upper and lower both ends difference fixed mounting of dustproof frame (5) has L template (7), set up sliding tray (8) of a set of symmetry on the inside wall of L template (7), and still set up threaded hole (11) on the rear end wall of L template (7).
3. The negative pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 2, characterized in that: the top fixed mounting of mounting panel (9) has sliding block (10) of a set of symmetry, and sliding block (10) slidable mounting in sliding tray (8), tongue (12) have still been seted up on the rear end wall of mounting panel (9), screw knob (13) screw in is installed in screw hole (11), and the front end fixed mounting of screw knob (13) has turning block (14), turning block (14) movable mounting is in tongue (12).
4. The negative pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 3, is characterized in that: the front end of the connecting seat (15) is provided with a mounting opening (16), and the inner wall of the mounting opening (16) is provided with a T-shaped ring groove (17).
5. The negative-pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 4, is characterized in that: the air supply pipe (18) is located in the mounting opening (16), T-shaped sliding blocks (20) are fixedly mounted on four sides of the outer wall of the pipeline of the air supply pipe (18) respectively, the T-shaped sliding blocks (20) are mounted in the T-shaped annular grooves (17) in a sliding mode, and an outer toothed ring (21) is further fixedly mounted on the outer wall of the air supply pipe (18) in a sleeved mode and located in front of the T-shaped sliding blocks (20).
6. The negative pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 5, is characterized in that: first motor (22) pass through bolt fixed mounting on the top surface of connecting seat (15), and the output fixed mounting of first motor (22) has first gear (23), first gear (23) and outer ring gear (21) intermeshing are in the same place.
7. The negative pressure industrial ventilation fan convenient for adjusting the wind direction of claim 6, characterized in that: the utility model discloses a fan, including blast pipe (18), mounting hole (24), the downthehole fixed mounting of mounting hole (24) have a plurality of symmetry, the front end fixed mounting of blast pipe (18) has fixed frame (19), and has seted up mounting hole (24) of a plurality of symmetry on the both sides lateral wall of fixed frame (19) respectively, the downthehole fixed mounting of mounting hole (24) has rolling bearing (25), it has a set of longitudinal symmetry's fixed block (26) to go back fixed mounting on the left side wall of fixed frame (19), and the top surface of fixed block (26) has seted up rotation hole (27).
8. The negative pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 7, is characterized in that: air adjusting plate (28) are equipped with a plurality of, and air adjusting plate's (28) both sides respectively fixed mounting have first pivot pole (29), first pivot pole (29) with the mode fixed mounting that alternates in the axle of the rolling bearing (25) of symmetry, and still fixed mounting has second gear (30) on the end wall of the first pivot pole (29) of left end.
9. The negative pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 8, characterized in that: worm (31) are located between fixed block (26), and the upper and lower both ends difference fixed mounting of worm (31) has second dwang (32), second dwang (32) alternate and install in rotation hole (27), and the top surface of upper end second dwang (32) still fixed mounting have first bevel gear (33), worm (31) and second gear (30) intermeshing are in the same place.
10. The negative pressure industrial ventilation fan convenient for adjusting the wind direction according to claim 9, characterized in that: the second motor (34) is fixedly installed on the top surface of the fixing frame (19) through bolts, a second bevel gear (35) is fixedly installed at the output end of the second motor (34), and the second bevel gear (35) and the first bevel gear (33) are meshed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210804980.5A CN115013336A (en) | 2022-07-08 | 2022-07-08 | Negative pressure industrial ventilation fan convenient for adjusting wind direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210804980.5A CN115013336A (en) | 2022-07-08 | 2022-07-08 | Negative pressure industrial ventilation fan convenient for adjusting wind direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115013336A true CN115013336A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210804980.5A Pending CN115013336A (en) | 2022-07-08 | 2022-07-08 | Negative pressure industrial ventilation fan convenient for adjusting wind direction |
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| Country | Link |
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| CN (1) | CN115013336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450935A (en) * | 2022-09-16 | 2022-12-09 | 扬州大学 | Smoke waste heat recovery vortex vibration prevention and dust accumulation prevention vector air inlet device |
-
2022
- 2022-07-08 CN CN202210804980.5A patent/CN115013336A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450935A (en) * | 2022-09-16 | 2022-12-09 | 扬州大学 | Smoke waste heat recovery vortex vibration prevention and dust accumulation prevention vector air inlet device |
| CN115450935B (en) * | 2022-09-16 | 2024-05-03 | 扬州大学 | Vortex vibration and dust accumulation preventing vector air inlet device for flue gas waste heat recovery |
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