CN114876832A - Cyclone air inlet centrifugal fan - Google Patents
Cyclone air inlet centrifugal fan Download PDFInfo
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- CN114876832A CN114876832A CN202210466548.XA CN202210466548A CN114876832A CN 114876832 A CN114876832 A CN 114876832A CN 202210466548 A CN202210466548 A CN 202210466548A CN 114876832 A CN114876832 A CN 114876832A
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- centrifugal fan
- rod
- transmission
- rack
- fan body
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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
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M3/00—Portable or wheeled frames or beds, e.g. for emergency power-supply aggregates, compressor sets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the field of fans, and particularly discloses a rotational flow air inlet centrifugal fan which comprises a supporting frame and a supporting assembly arranged on the supporting frame and used for riding, wherein the supporting assembly abuts against a first transmission unit, and the first transmission unit extends to the inside of a centrifugal fan body; the centrifugal fan body is internally provided with a filtering component, and the transmission unit is connected with the filtering component; the centrifugal fan body is rotationally connected with the supporting frame through the adjusting mechanism, and the driving unit is clamped on the supporting frame; the adjusting mechanism comprises an adjusting shaft, a fixed block, a first pull rod, a second pull rod, a sliding sleeve and a first screw rod; the invention solves the problems that when the traditional rotational flow air inlet centrifugal fan is applied to a pipeline production workshop to cool operators, the cutting scraps in the material production workshop are more, and when the installation angle of the centrifugal fan is unstable, the scraps are easy to fly, enter the interior of the fan and are blocked in the interior of the centrifugal fan.
Description
Technical Field
The invention relates to the field of fans, in particular to a rotational flow air inlet centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
Traditional whirl air inlet centrifugal fan applies to when the pipeline workshop cools down operating personnel, because the sweeps of the cutting of material workshop is more, when centrifugal fan's installation angle is unstable, causes the sweeps to fly easily, and the sweeps gets into the inside of fan easily, makes the sweeps stuck in centrifugal fan's inside, influences the indoor environment.
The above information disclosed in this background section is only included to enhance understanding of the background of the disclosure and therefore may contain information that does not form the prior art that is currently known to one of ordinary skill in the art.
Disclosure of Invention
One object of the present invention is to provide a cyclone air intake centrifugal fan, which uses an adjusting mechanism to adjust the angle of a centrifugal fan body, so as to facilitate cooling of different parts of an operator, and simultaneously, to make the angle adjustment between the centrifugal fan body and a supporting frame more stable, thereby being beneficial to meeting the market demand of a pipeline production workshop.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a cyclone air inlet centrifugal fan comprises a supporting frame, a plurality of moving assemblies, a driving unit, a centrifugal fan body, a plurality of supporting assemblies, a filtering assembly, an adjusting mechanism, a first transmission unit and a second transmission unit;
the supporting frame is provided with the supporting component for riding, the supporting component abuts against the first transmission unit, and the first transmission unit extends to the inside of the centrifugal fan body;
the centrifugal fan body is internally provided with the filter assembly which is rotatably connected and used for removing scraps, and the transmission unit is connected with the filter assembly;
the centrifugal fan body is rotationally connected with the supporting frame through the adjusting mechanism, and the driving unit is clamped on the supporting frame;
the adjusting mechanism comprises an adjusting shaft, a fixed block, a first pull rod, a second pull rod, a sliding sleeve and a first screw rod;
the both ends symmetry of centrifugal fan body is equipped with two the regulating spindle, the regulating spindle with rotate between the carriage and be connected, the fixed block is fixed in the bottom of centrifugal fan body, the one end of first pull rod with rotate between the fixed block and be connected, the other one end of first pull rod with rotate between the second pull rod and be connected, the second pull rod with sliding connection between the sliding sleeve, first lead screw with rotate between the carriage and be connected, first lead screw with threaded connection between the second pull rod.
Optionally, the bottom end of the supporting frame is provided with the moving assembly for moving, and the moving assembly is connected to the second transmission unit inside the supporting frame;
the second transmission unit comprises:
the guide shaft is rotatably connected with the support frame;
the third gear and the transmission disc are fixed on the guide shaft;
the second rack is meshed with the third gear, and the second rack is connected with the supporting frame in a sliding manner;
the third screw rod is connected with the supporting frame and the second rack in a penetrating mode, the third screw rod is connected with the supporting frame in a rotating mode, and the third screw rod is connected with the second rack in a threaded mode.
Optionally, the driving unit includes:
the driving rod is clamped with the supporting frame;
the rocking bars and the driving rods are obliquely and symmetrically arranged at two ends of the connecting rod;
the connecting rod, rotate between connecting rod and the rocker and be connected.
Optionally, the moving assembly includes:
the second transmission rod is arranged on the transmission disc in a circumferential array mode, and four second transmission rods which are connected in a rotating mode are arranged on the transmission disc in a rotating mode;
one end of the second transmission rod, which is far away from the transmission disc, is rotatably connected with the first transmission rod;
one end of the first transmission rod, which is far away from the second transmission rod, is fixed to the first rotation shaft, and the first rotation shaft is rotatably connected with the support frame;
the second rotating shaft is vertically arranged with the first rotating shaft, the second rotating shaft is rotatably connected with the supporting frame, and the opposite ends of the second rotating shaft and the first rotating shaft are provided with the first gears which are meshed with each other;
and the guide block is fixed on the second rotating shaft, and the universal wheel is arranged on the guide block.
Optionally, the filtering component includes drive ring, filter screen, retainer plate, connecting plate and dead lever, the drive ring with rotate between the centrifugal fan body and be connected, the inside of drive ring is equipped with annular assembly the retainer plate, be equipped with the coniform that is used for filtering the sweeps on the retainer plate the filter screen, circumference array is equipped with a plurality ofly and is used for supporting on the retainer plate the connecting plate, the connecting plate deviates from the one end of retainer plate is fixed in the dead lever.
Optionally, the first transmission unit comprises a second return spring, a first rack, a sliding rod, a second gear and a second screw rod;
the second gear is fixed on the end portion of the fixing rod, the first rack is meshed with the second gear, the first rack is connected with the centrifugal fan body in a sliding mode, the middle of the first rack is a cross-shaped component, the first rack penetrates through the second reset spring, two ends of the second reset spring are fixed on the first rack and the centrifugal fan body respectively, the sliding rod is connected with the first rack in a sliding mode, the second lead screw is connected with the sliding rod and the first rack in a penetrating mode, the second lead screw is connected with the sliding rod in a rotating mode, and the second lead screw is connected with the first rack in a threaded mode.
Optionally, the support assembly includes a mounting frame, a first return spring, a limiting rod and a baffle plate;
the utility model discloses a slide bar, including the installing frame, the installing frame with sliding connection between the carriage, the bottom of installing frame is equipped with the baffle, the carriage equidistance is equipped with a plurality of T shape subassemblies the gag lever post, the gag lever post with sliding connection between the baffle, the gag lever post with be equipped with between the installing frame first reset spring, just the installing frame contradict in the slide bar.
The invention has the beneficial effects that:
(1) according to the rotational flow air inlet centrifugal fan, the driving unit is clamped on the supporting frame; the bottom of carriage is equipped with the removal subassembly that is used for the removal, remove the subassembly and connect in the transmission unit two of the inside of carriage, and then be convenient for through drive unit and two blocks of transmission unit, make drive unit drive transmission unit two, make second runner assembly drive removal subassembly expose the carriage, and then make the transport of carriage convenient more nimble, the carriage after making the transport simultaneously is better with the contact effect on ground, and then improved centrifugal fan's the efficiency and the quality of transport greatly.
(2) According to the rotational flow air inlet centrifugal fan, the centrifugal fan body is rotatably connected with the supporting frame through the adjusting mechanism, so that the adjusting mechanism and the supporting frame are driven to rotate through the driving unit conveniently, the angle of the centrifugal fan body is adjusted conveniently and quickly, and the centrifugal fan body is adjusted stably.
(3) According to the cyclone air inlet centrifugal fan, the supporting frame is provided with the supporting component for riding, the supporting component abuts against the first transmission unit, and the first transmission unit extends into the centrifugal fan body; the centrifugal fan comprises a centrifugal fan body, a transmission unit and a fan body, wherein a filtering component which is rotatably connected and used for removing scraps is arranged inside the centrifugal fan body, and the transmission unit is connected with the filtering component; the supporting component is arranged, so that an operator can rest conveniently, the supporting component and the supporting frame can be driven by the weight of the operator to slide conveniently, the supporting component drives the first transmission unit, the first transmission unit drives the filtering component to rotate, and the filtering effect of the filtering component is better.
Consequently, the swirl air inlet centrifugal fan that this embodiment provided uses adjustment mechanism to adjust the angle of centrifugal fan body, is convenient for cool down the position that operating personnel is different, makes the angle modulation between centrifugal fan body and the carriage accomplish the back more stable simultaneously, is favorable to satisfying the market demand of pipeline production workshop.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic overall view of a cyclone air intake centrifugal fan according to an embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of the connection assembly of the filter assembly of FIG. 2 and a first transmission unit;
FIG. 4 is an enlarged view of the portion B shown in FIG. 3;
FIG. 5 is an enlarged view of the portion C shown in FIG. 3;
FIG. 6 is an enlarged view of the portion D shown in FIG. 3;
FIG. 7 is a schematic view of the connection assembly of the support frame and the adjustment mechanism shown in FIG. 2;
fig. 8 is an enlarged view of the portion E shown in fig. 7.
In the drawings:
1. a support frame;
2. a moving assembly; 21. a universal wheel; 22. a first transmission rod; 23. a second transmission rod; 24. a first rotating shaft; 25. a first gear; 26. a second rotating shaft; 27. a guide block;
3. a drive unit; 31. a drive rod; 32. a rocker; 33. a connecting rod;
4. a centrifugal fan body;
5. a support assembly; 51. installing a frame; 52. a first return spring; 53. a limiting rod; 54. a baffle plate;
6. a filter assembly; 61. a drive ring; 62. a filter screen; 63. a stationary ring; 64. a connecting plate; 65. fixing the rod;
7. an adjustment mechanism; 71. an adjustment shaft; 72. a fixed block; 73. a first pull rod; 74. a second pull rod; 75. a sliding sleeve; 76. a first lead screw;
8. a first transmission unit; 81. a second return spring; 82. a first rack; 83. a slide bar; 84. a second gear; 85. a second lead screw;
9. a second transmission unit; 91. a third screw rod; 92. a third gear; 93. a second rack; 94. a guide shaft; 95. a drive plate.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.
Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the referred devices or elements must have the specific orientations, be configured to operate in the specific orientations, and thus are not to be construed as limitations of the present invention.
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and variations in components, methods, or functions that may be made by one of ordinary skill in the art based on these embodiments are included within the scope of the present invention.
The invention provides a cyclone air inlet centrifugal fan which is suitable for a pipeline production workshop and is used for cooling an operator, wherein an adjusting mechanism is used for adjusting the angle of a centrifugal fan body, so that different parts of the operator can be cooled conveniently, and meanwhile, the angle between the centrifugal fan body and a supporting frame is more stable after the adjustment is completed, and the market demand of the pipeline production workshop can be favorably met.
Referring to fig. 1 to 8, in the present embodiment, a cyclone air intake centrifugal fan includes a support frame 1, a moving assembly 2, a driving unit 3, a centrifugal fan body 4, a support assembly 5, a filtering assembly 6, an adjusting mechanism 7, a first transmission unit 8, and a second transmission unit 9; the supporting frame 1 is provided with the supporting component 5 for sitting, the supporting component 5 abuts against the first transmission unit 8, and the first transmission unit 8 extends into the centrifugal fan body 4; the filter assembly 6 which is rotatably connected and used for removing scraps is arranged inside the centrifugal fan body 4, and the transmission unit I8 is connected to the filter assembly 6; the centrifugal fan body 4 is rotatably connected with the support frame 1 through the adjusting mechanism 7, and the drive unit 3 is clamped on the support frame 1; the bottom end of the supporting frame 1 is provided with the moving assembly 2 used for moving, and the moving assembly 2 is connected to the second transmission unit 9 in the supporting frame 1.
In this embodiment, the second transmission unit 9 includes a third screw 91, a third gear 92, a second rack 93, a guide shaft 94 and a transmission disc 95, the guide shaft 94 is rotatably connected to the support frame 1, the third gear 92 and the transmission disc 95 are fixed to the guide shaft 94, the second rack 93 is engaged with the third gear 92, the second rack 93 is slidably connected to the support frame 1, the third screw 91 is connected to the support frame 1 and the second rack 93 in a penetrating manner, the third screw 91 is rotatably connected to the support frame 1, and the third screw 91 is connected to the second rack 93 through a thread.
Specifically, the driving unit 3 includes a driving rod 31, a rocker 32 and a connecting rod 33, the driving rod 31 is engaged with the supporting frame 1, the driving rod 31 and the rocker 32 are obliquely symmetrically disposed at two ends of the connecting rod 33, and the rocker 32 is rotatably connected with the connecting rod 33.
Further, the moving assembly 2 comprises a universal wheel 21, a first transmission rod 22, a second transmission rod 23, a first rotating shaft 24, a first gear 25, a second rotating shaft 26 and a guide block 27, four second transmission rods 23 which are rotatably connected are arranged on the transmission disc 95 in a circumferential array, one end of each second transmission rod 23, which is far away from the transmission disc 95, is rotatably connected with the corresponding first transmission rod 22, one end of the first transmission rod 22, which is far away from the second transmission rod 23, is fixed on the first rotating shaft 24, the first rotating shaft 24 is rotatably connected with the support frame 1, the second rotating shaft 26 is vertically arranged with the first rotating shaft 24, the second rotating shaft 26 is rotatably connected with the supporting frame 1, the opposite ends of the second rotating shaft 26 and the first rotating shaft 24 are provided with the first gears 25 which are meshed with each other, the guide block 27 is fixed on the second rotating shaft 26, and the universal wheel 21 is arranged on the guide block 27; the driving unit 3 is clamped on the supporting frame 1; the bottom end of the supporting frame 1 is provided with the moving assembly 2 used for moving, and the moving assembly 2 is connected to the second transmission unit 9 in the supporting frame 1.
It should be noted that, the moving assembly 2 is connected to the inside of the supporting frame 1 the second transmission unit 9, and then the driving unit 3 is engaged with the second transmission unit 9, so that the driving unit 3 drives the second transmission unit 9, so that the second rotating assembly 9 drives the moving assembly 2 to expose the supporting frame 1, and further the carrying of the supporting frame 1 is more convenient and flexible, and meanwhile, the contact effect of the supporting frame 1 and the ground after carrying is better, so that the carrying efficiency and the carrying quality of the centrifugal fan are greatly improved, namely: firstly, the end of the driving rod 31 is clamped with the third screw rod 91, then the rocker 32 is held by hand, the rocker 32 is rotatably connected with the connecting rod 33, so that the rocker 32 is driven more conveniently and flexibly, the rocker 32 drives the driving rod 31 to rotate through the connecting rod 33, the driving rod 31 drives the third screw rod 91 to rotate anticlockwise, the third screw rod 91 drives the second rack 93 to slide in a direction deviating from the third screw rod 91 through threads, so that the second rack 93 drives the third gear 92 to rotate, the third gear 92 drives the guide shaft 94 to rotate anticlockwise, the guide shaft 94 drives the transmission disc 95 to rotate anticlockwise, the transmission disc 95 drives the transmission rod second 23 to drive the transmission rod first 22 to rotate while driving the transmission rod second 23 to rotate, and the transmission rod first 22 drives the rotating shaft first 24 to rotate clockwise, the first gear 25 on the first rotating shaft 24 drives the first gear 25 on the second rotating shaft 26 to rotate, so that the second rotating shaft 26 drives the guide block 27 to rotate clockwise, the guide block 27 drives the universal wheel 21 to expose the support frame 1, and further the centrifugal fan is conveniently conveyed to a specified position through the universal wheel 21, so that the centrifugal fan is more conveniently and quickly conveyed, meanwhile, after the centrifugal fan is conveyed to a specified place, the rocker 32 drives the driving rod 31 to rotate clockwise through the connecting rod 33, the driving rod 31 drives the third screw rod 91 to rotate clockwise, the third screw rod 91 drives the second rack 93 to slide towards the third screw rod 91 through threads, so that the second rack 93 drives the third gear 92 to rotate, and the third gear 92 drives the guide shaft 94 to rotate clockwise, the guide shaft 94 drives the transmission disc 95 to rotate clockwise, the transmission disc 95 drives the transmission rod two 23 to rotate, the transmission rod two 23 drives the transmission rod one 22 to rotate, the transmission rod one 22 drives the rotating shaft one 24 to rotate anticlockwise, the first gear 25 on the rotating shaft one 24 drives the first gear 25 on the rotating shaft two 26 to rotate, the rotating shaft two 26 drives the guide block 27 to rotate anticlockwise, the guide block 27 drives the universal wheel 21 to receive the support frame 1, the support frame 1 is convenient to directly contact with the ground, and the support frame 1 is more stably placed.
Generally, the adjusting mechanism 7 includes an adjusting shaft 71, a fixed block 72, a first pull rod 73, a second pull rod 74, a sliding sleeve 75 and a first lead screw 76, two ends of the centrifugal fan body 4 are symmetrically provided with two adjusting shafts 71, the adjusting shafts 71 are connected with the supporting frame 1 in a rotating manner, the fixed block 72 is fixed at the bottom end of the centrifugal fan body 4, one end of the first pull rod 73 is connected with the fixed block 72 in a rotating manner, the other end of the first pull rod 73 is connected with the second pull rod 74 in a rotating manner, the second pull rod 74 is connected with the sliding sleeve 75 in a sliding manner, the first lead screw 76 is connected with the supporting frame 1 in a rotating manner, and the first lead screw 76 is connected with the second pull rod 74 in a threaded manner.
The whirl air inlet centrifugal fan that this embodiment provided, the advantage that possesses as follows: centrifugal fan body 4 passes through adjustment mechanism 7 with rotate between the carriage 1 and be connected, and then be convenient for pass through drive unit 3 drive adjustment mechanism 7 with rotate between the carriage 1, and then be convenient for adjust the angle of centrifugal fan body 4, and then make the angle modulation of centrifugal fan body 4 is convenient and fast more, makes behind the 4 angle modulation of centrifugal fan body more stable.
The working process is as follows:
(1) when the angle of the centrifugal fan body 4 needs to be adjusted, the end of the driving rod 31 is engaged with the third screw rod 91,
(2) then the rocker 32 is held by hand, the rocker 32 drives the driving rod 31 to rotate through the connecting rod 33, the driving rod 31 drives the first lead screw 76 to rotate anticlockwise, the first lead screw 76 drives the second pull rod 74 to slide in a direction departing from the sliding sleeve 75 through threads, so that the second pull rod 74 pushes the first pull rod 73, the second pull rod 74 is rotatably connected with the first pull rod 73,
(3) first pull rod 73 with rotate between the fixed block 72, and then promote fixed block 72 makes fixed block 72 drives on the centrifugal fan body 4 regulating spindle 71 drives fan body 4 anticlockwise rotation, and then the quick regulation of being convenient for the angle of centrifugal fan body 4 is convenient for cool down the position that the operating personnel is different, makes simultaneously centrifugal fan body 4 with it is more stable after the angular adjustment between the carriage 1 is accomplished.
Specifically, filtering component 6 includes drive ring 61, filter screen 62, retainer plate 63, connecting plate 64 and dead lever 65, drive ring 61 with rotate between the centrifugal fan body 4 and be connected, the inside of drive ring 61 is equipped with annular assembly retainer plate 63, be equipped with the coniform that is used for filtering the sweeps on the retainer plate 63 filter screen 62, the circumference array is equipped with a plurality ofly and is used for supporting on the retainer plate 63 filter screen 62 connecting plate 64, connecting plate 64 deviates from the one end of retainer plate 63 is fixed in dead lever 65.
Specifically, the first transmission unit 8 comprises a second return spring 81, a first rack 82, a slide rod 83, a second gear 84 and a second screw rod 85, the second gear 84 is fixed to an end of the fixing rod 65, the first rack 82 is engaged with the second gear 84, the first rack 82 is connected with the centrifugal fan body 4 in a sliding way, the middle part of the first rack 82 is a cross-shaped component, the first rack 82 penetrates the second return spring 81, two ends of the second return spring 81 are respectively fixed on the first rack 82 and the centrifugal fan body 4, the sliding rod 83 is connected with the first rack 82 in a sliding manner, the second screw 85 is connected with the sliding rod 83 and the first rack 82 in a penetrating manner, the second screw rod 85 is rotatably connected with the slide rod 83, and the second screw rod 85 is in threaded connection with the first rack 82.
Specifically, the support assembly 5 includes an installation frame 51, a first return spring 52, a limiting rod 53 and a baffle 54, the installation frame 51 is slidably connected with the support frame 1, the baffle 54 is disposed at the bottom end of the installation frame 51, the limiting rods 53 of a plurality of T-shaped assemblies are equidistantly disposed on the support frame 1, the limiting rods 53 are slidably connected with the baffle 54, the first return spring 52 is disposed between the limiting rods 53 and the installation frame 51, and the installation frame 51 abuts against the sliding rod 83; the supporting frame 1 is provided with the supporting component 5 for sitting, the supporting component 5 abuts against the first transmission unit 8, and the first transmission unit 8 extends into the centrifugal fan body 4; the inside of centrifugal fan body 4 is equipped with rotate the connection, be used for the bits remove filtering component 6, just transmission unit 8 connect in filtering component 6.
It can be understood that the supporting component 5 is provided to facilitate resting of an operator, and at the same time, to facilitate driving the supporting component 5 and the supporting frame 1 to slide by the weight of the operator, so that the supporting component 5 drives the transmission unit one 8, and the transmission unit one 8 drives the filtering component 6 to rotate, so that the filtering effect of the filtering component 6 is better, that is: after the angle adjustment of the centrifugal fan body 4 is completed, the second lead screw 85 is rotated, the second lead screw 85 drives the sliding rod 83 and the first rack 82 to slide, so that the sliding rod 83 is abutted against the mounting frame 51, and then the sliding rod 83 is abutted against the mounting frame 51 after the centrifugal fan body 4 is adjusted at different angles, when an operator needs to have a rest, the operator sits on the mounting frame 51, slides between the mounting frame 51 and the support frame 1 under the action of gravity, meanwhile, the mounting frame 51 cooperates with the limiting rod 53 to abut against the first return spring 52 for compression, slides between the limiting rod 53 and the baffle 54, the limiting rod 53 is a T-shaped component, so that the mounting frame 51 slides more stably, and meanwhile, the mounting frame 51 and the support frame 1 are effectively prevented from slipping, the mounting block 51 is abutted against the sliding rod 83, the sliding rod 83 is abutted against the first rack 82, the first rack 82 and the centrifugal fan body 4 slide, the second reset spring 81 is compressed, the first rack 82 drives the second gear 84 to rotate, the second gear 84 drives the fixing rod 65 to rotate, the fixing rod 65 drives the fixing ring 63 through the connecting plate 64, the fixing ring 63 drives the transmission ring 61 and the centrifugal fan body 4 to rotate, so that the filter screen 62 rotates, and the waste scraps are effectively prevented from being adhered to the filter screen 62, meanwhile, the filter screen 62 is a conical component, the filtering area is increased, the waste scraps are effectively prevented from entering the inside of the centrifugal fan body 4, the using effect of the centrifugal fan body 4 is better, the connecting plate 64 arranged on the fixing ring 63 in a circumferential array is convenient for supporting the filter screen 62, the filter screen 62 is more stable, and simultaneously, when an operator separates from the mounting frame 51, the first return spring 52 extends to drive the mounting frame 51 and the support frame 1 to shake, so that scraps are effectively prevented from being bonded on the mounting frame 51.
The following describes the specific working process of the centrifugal fan:
firstly, the end of the driving rod 31 is clamped with the third screw rod 91, then the rocker 32 is held by a hand, the rocker 32 is rotatably connected with the connecting rod 33, and further the driving rocker 32 is driven to be more convenient and flexible, the rocker 32 drives the driving rod 31 to rotate through the connecting rod 33, the driving rod 31 drives the third screw rod 91 to rotate anticlockwise, the third screw rod 91 drives the second rack 93 to slide away from the third screw rod 91 by screw threads, so that the second rack 93 drives the third gear 92 to rotate, the third gear 92 drives the guide shaft 94 to rotate anticlockwise, the guide shaft 94 drives the transmission disc 95 to rotate anticlockwise, the transmission disc 95 drives the transmission rod two 23 to rotate, simultaneously, the transmission rod two 23 drives the transmission rod one 22 to rotate, the transmission rod one 22 drives the rotating shaft one 24 to rotate clockwise, the first gear 25 on the rotating shaft one 24 drives the first gear 25 on the rotating shaft two 26 to rotate, and further the rotating shaft two 26 drives the guide block 27 to rotate clockwise, the guide block 27 drives the universal wheel 21 to expose out of the support frame 1, so that the centrifugal fan can be conveniently conveyed to a specified position through the universal wheel 21, and the centrifugal fan can be more conveniently and quickly conveyed, meanwhile, after the centrifugal fan is conveyed to a specified place, the rocker 32 drives the driving rod 31 to rotate clockwise through the connecting rod 33, the driving rod 31 drives the third screw rod 91 to rotate clockwise, the third screw rod 91 drives the second rack 93 to slide towards the third screw rod 91 through threads, the second rack 93 drives the third gear 92 to rotate, the third gear 92 drives the guide shaft 94 to rotate clockwise, the guide shaft 94 drives the transmission disc 95 to rotate clockwise, the transmission disc 95 drives the transmission rod two 23 to rotate, simultaneously, the transmission rod two 23 drives the transmission rod one 22 to rotate, the transmission rod one 22 drives the rotating shaft one 24 to rotate counterclockwise, the first gear 25 on the rotating shaft one 24 drives the first gear 25 on the rotating shaft two 26 to rotate, the second rotating shaft 26 drives the guide block 27 to rotate anticlockwise, the guide block 27 drives the universal wheel 21 to accommodate the sub-support frame 1, and therefore the support frame 1 is convenient to directly contact the ground, and the support frame 1 is more stably placed; when the angle of the centrifugal fan body 4 needs to be adjusted, the end part of the driving rod 31 is clamped with the third screw rod 91, then the rocker 32 is held by hand, the rocker 32 drives the driving rod 31 to rotate through the connecting rod 33, the driving rod 31 drives the first screw rod 76 to rotate anticlockwise, the first screw rod 76 drives the second pull rod 74 to slide in the direction departing from the sliding sleeve 75 through threads, so that the second pull rod 74 pushes the first pull rod 73, the second pull rod 74 is rotatably connected with the first pull rod 73, and meanwhile, the first pull rod 73 rotates with the fixed block 72, further pushing the fixed block 72, so that the fixed block 72 drives the adjusting shaft 71 on the centrifugal fan body 4 to drive the fan body 4 to rotate counterclockwise, thereby being convenient for rapidly adjusting the angle of the centrifugal fan body 4 and cooling different parts of operators, meanwhile, the angle between the centrifugal fan body 4 and the support frame 1 is more stable after the angle adjustment is finished; after the angle of the centrifugal fan body 4 is adjusted, the second lead screw 85 is rotated, the second lead screw 85 drives the sliding rod 83 and the first rack 82 to slide in a threaded manner, so that the sliding rod 83 abuts against the mounting frame 51, the centrifugal fan body 4 can be adjusted to different angles, the sliding rod 83 abuts against the mounting frame 51, when an operator needs to rest, the operator sits on the mounting frame 51, under the action of gravity, the mounting frame 51 slides with the supporting frame 1, meanwhile, the mounting frame 51 is matched with the limiting rod 53 to abut against the first return spring 52 for compression, the limiting rod 53 slides with the baffle 54, the limiting rod 53 is a T-shaped component, so that the mounting frame 51 slides more stably, the mounting block 51 is effectively prevented from slipping with the supporting frame 1, the mounting block 51 abuts against the sliding rod 83, the sliding rod 83 abuts against the first rack 82, the first rack 82 slides with the centrifugal fan body 4, the second return spring 81 compresses, first rack 82 drives second gear 84 and rotates, second gear 84 drives dead lever 65 and rotates, dead lever 65 drives retainer plate 63 through connecting plate 64, retainer plate 63 drives and passes circle 61 and centrifugal fan body 4 and rotate, and then make filter screen 62 rotate, and then effectively prevent that the sweeps from bonding on filter screen 62, filter screen 62 is the circular cone subassembly simultaneously, the filter area has been increased, effectively prevent the inside that the sweeps got into centrifugal fan body 4, make centrifugal fan body 4's result of use better, connecting plate 64 that the circumference array set up is convenient for support filter screen 62 on retainer plate 63, make filter screen 62 more stable, simultaneously when operating personnel and installing frame 51 separation, first reset spring 52 extends and shakes between drive installing frame 51 and the carriage 1, and then effectively prevent that the sweeps from bonding on installing frame 51.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A cyclone air inlet centrifugal fan is characterized by comprising a supporting frame, a plurality of moving assemblies, a driving unit, a centrifugal fan body, a plurality of supporting assemblies, a filtering assembly, an adjusting mechanism, a first transmission unit and a second transmission unit;
the supporting frame is provided with the supporting component for riding, the supporting component abuts against the first transmission unit, and the first transmission unit extends to the inside of the centrifugal fan body;
the centrifugal fan comprises a centrifugal fan body, a transmission unit and a driving unit, wherein the centrifugal fan body is internally provided with a filtering component which is rotatably connected and used for removing scraps, and the transmission unit is connected with the filtering component;
the centrifugal fan body is rotationally connected with the supporting frame through the adjusting mechanism, and the driving unit is clamped on the supporting frame;
the adjusting mechanism comprises an adjusting shaft, a fixed block, a first pull rod, a second pull rod, a sliding sleeve and a first screw rod;
the both ends symmetry of centrifugal fan body is equipped with two the regulating spindle, the regulating spindle with rotate between the carriage and be connected, the fixed block is fixed in the bottom of centrifugal fan body, the one end of first pull rod with rotate between the fixed block and be connected, the other one end of first pull rod with rotate between the second pull rod and be connected, the second pull rod with sliding connection between the sliding sleeve, first lead screw with rotate between the carriage and connect, first lead screw with threaded connection between the second pull rod.
2. The cyclone air intake centrifugal fan according to claim 1, characterized in that: the bottom end of the supporting frame is provided with the moving assembly for moving, and the moving assembly is connected to the second transmission unit in the supporting frame;
the second transmission unit comprises:
the guide shaft is rotatably connected with the support frame;
the third gear and the transmission disc are fixed on the guide shaft;
the second rack is meshed with the third gear, and the second rack is connected with the supporting frame in a sliding manner;
the third screw rod is connected with the supporting frame and the second rack in a penetrating mode, the third screw rod is connected with the supporting frame in a rotating mode, and the third screw rod is connected with the second rack in a threaded mode.
3. The cyclone air intake centrifugal fan according to claim 2, characterized in that: the driving unit includes:
the driving rod is clamped with the supporting frame;
the rocking bars and the driving rods are obliquely and symmetrically arranged at two ends of the connecting rod;
the connecting rod, rotate between connecting rod and the rocker and be connected.
4. The cyclone air intake centrifugal fan according to claim 2, characterized in that: the moving assembly includes:
the second transmission rod is arranged on the transmission disc in a circumferential array mode, and four second transmission rods which are connected in a rotating mode are arranged on the transmission disc in a rotating mode;
one end of the second transmission rod, which is far away from the transmission disc, is rotatably connected with the first transmission rod;
one end of the first transmission rod, which is far away from the second transmission rod, is fixed to the first rotation shaft, and the first rotation shaft is rotatably connected with the support frame;
the second rotating shaft is vertically arranged with the first rotating shaft, the second rotating shaft is rotatably connected with the supporting frame, and the opposite ends of the second rotating shaft and the first rotating shaft are provided with the first gears which are meshed with each other;
and the guide block is fixed on the second rotating shaft, and the universal wheel is arranged on the guide block.
5. The cyclone air intake centrifugal fan according to claim 1, characterized in that: the filter assembly comprises a transmission ring, a filter screen, a fixing ring, a connecting plate and a fixing rod, the transmission ring is rotatably connected with the centrifugal fan body, the fixing ring is provided with an annular assembly inside the transmission ring, the conical filter screen for filtering waste scraps is arranged on the fixing ring, a plurality of supporting plates are arranged on the fixing ring in a circumferential array mode and used for supporting the filter screen, and one end of the fixing ring is fixed on the fixing rod.
6. A cyclone air intake centrifugal fan according to claim 5, characterized in that: the first transmission unit comprises a second return spring, a first rack, a sliding rod, a second gear and a second screw rod;
the second gear is fixed on the end portion of the fixing rod, the first rack is meshed with the second gear, the first rack is connected with the centrifugal fan body in a sliding mode, the middle of the first rack is a cross-shaped component, the first rack penetrates through the second reset spring, two ends of the second reset spring are fixed on the first rack and the centrifugal fan body respectively, the sliding rod is connected with the first rack in a sliding mode, the second lead screw is connected with the sliding rod and the first rack in a penetrating mode, the second lead screw is connected with the sliding rod in a rotating mode, and the second lead screw is connected with the first rack in a threaded mode.
7. A centrifugal fan with cyclonic air intake as claimed in claim 6, wherein:
the supporting component comprises an installation frame, a first return spring, a limiting rod and a baffle plate;
the utility model discloses a slide bar, including the installing frame, the installing frame with sliding connection between the carriage, the bottom of installing frame is equipped with the baffle, the carriage equidistance is equipped with a plurality of T shape subassemblies the gag lever post, the gag lever post with sliding connection between the baffle, the gag lever post with be equipped with between the installing frame first reset spring, just the installing frame contradict in the slide bar.
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| CN202210466548.XA CN114876832B (en) | 2022-04-26 | 2022-04-26 | Rotational flow air inlet centrifugal fan |
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| CN114876832B (en) | 2023-09-26 |
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