CN115853830A - Quick response type fan - Google Patents
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- CN115853830A CN115853830A CN202211687099.8A CN202211687099A CN115853830A CN 115853830 A CN115853830 A CN 115853830A CN 202211687099 A CN202211687099 A CN 202211687099A CN 115853830 A CN115853830 A CN 115853830A
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Abstract
A fast response fan comprising: the device comprises a front air supply pipeline, a disturbance module, a rear air supply pipeline, an axial flow fan and an elastic film; the disturbance module is the tubular structure with adjustable diameter, preceding supply air duct, disturbance module and back supply air duct are end to end connection formation straight tube structure in proper order, the fixed axial fan that is provided with of one end that the disturbance module was kept away from to back supply air duct, axial fan's air-out direction is just to the inside setting of back supply air duct, elastic film sets up between preceding supply air duct and back supply air duct, elastic film's one end and preceding supply air duct's tip fixed connection, elastic film's the other end passes behind the inner chamber of disturbance module and the tip fixed connection of back supply air duct, the inner wall and the elastic film transmission cooperation of disturbance module. The design can not only drive the elastic film to work through the disturbance module to quickly produce the vortex ring, effectively improve the response speed generated by the vortex ring, but also continuously generate the vortex ring without interruption.
Description
Technical Field
The invention relates to a fan, belongs to the technical field of air supply equipment, and particularly relates to a quick response type fan.
Background
The vortex ring is in an airflow form capable of being stably propagated, energy dissipation is less in the propagation process compared with a traditional air supply mode, and the propagation distance of the vortex ring is twice of that of ordinary airflow under the condition of the same propagation speed; axial perturbation of the central position of the columnar flow is one of the core mechanisms for generating the vortex ring.
The conventional disturbance type vortex ring device usually can rapidly generate airflow disturbance, and often cannot rapidly and continuously generate a plurality of vortex rings, for example, an electromagnet is used for impacting a film or high-speed injection after gas pressurization is used for generating disturbance; but a plurality of vortex rings can be generated continuously, and the speed of generating the disturbance is not fast enough.
There is a need for a device that can both generate airflow disturbances quickly and generate a large number of vortex rings in rapid succession.
The invention patent application with the application number of 201920392093.5 and the application date of 2019.03.26 discloses an air conditioner indoor unit and an air conditioner, wherein the air conditioner indoor unit comprises: the air conditioner comprises a shell, a fan and a controller, wherein the shell is provided with an air inlet and an air outlet; the vortex ring generating device is detachably connected with the machine shell and is arranged in the machine shell or is externally hung outside the machine shell; when the vortex ring generating device is arranged in the shell, airflow entering from the air inlet can pass through the vortex ring generating device and then is blown out from the air outlet; when the vortex ring generating device is hung outside the shell, airflow entering from the air inlet can be blown out from the vortex ring generating device after being blown out from the air outlet. Although the method can form vortex ring airflow to realize vortex air supply, the design still has the following defects:
multiple vortex rings cannot be generated in rapid succession.
The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is already known to a person skilled in the art.
Disclosure of Invention
The invention aims to overcome the defect that a plurality of vortex rings cannot be generated rapidly and continuously in the prior art, and provides a rapid response type fan which has high response speed and can generate a plurality of vortex rings continuously.
In order to achieve the above purpose, the technical solution of the invention is as follows:
a fast response fan, the fan comprising: the device comprises a front air supply pipeline, a disturbance module, a rear air supply pipeline, an axial flow fan and an elastic film; the disturbance module is a tubular structure with adjustable diameter, the front air supply pipeline, the disturbance module and the rear air supply pipeline are sequentially connected end to form a straight pipe structure, an axial flow fan is fixedly arranged at one end of the rear air supply pipeline, which is far away from the disturbance module, the air outlet direction of the axial flow fan is arranged right opposite to the interior of the rear air supply pipeline, the elastic film is arranged between the front air supply pipeline and the rear air supply pipeline, one end of the elastic film is fixedly connected with the end part of the front air supply pipeline, the other end of the elastic film penetrates through the inner cavity of the disturbance module and then is fixedly connected with the end part of the rear air supply pipeline, and the inner wall of the disturbance module is in transmission fit with the elastic film.
The disturbance module comprises a plurality of disturbance plates, the disturbance plates are uniformly arranged along the outer circumference of the elastic film, each disturbance plate comprises a first hinged plate, a second hinged plate and a third hinged plate, the first hinged plate, the second hinged plate and the third hinged plate are sequentially connected end to end, the hinges at the two ends of the second hinged plate are respectively provided with a limiting block, and each limiting block is arranged on one side, close to the inner cavity of the disturbance module, of each hinge.
Preceding supply air duct includes first supply air duct, preceding articulated ring and preceding connecting pipe, first supply air duct, preceding articulated ring and the coaxial setting of preceding connecting pipe, the opening of preceding articulated ring one side and the tip fixed connection of first supply air duct, the opening of preceding articulated ring opposite side and the tip fixed connection of preceding connecting pipe, the inner chamber of first supply air duct, preceding articulated ring and preceding connecting pipe communicates mutually, evenly fixed being provided with a plurality of first articulated seats on the outer circumference of preceding articulated ring, the quantity of the first articulated seat that sets up on the preceding articulated ring is the same with the quantity of disturbance board in the disturbance module, and the articulated shaft of a plurality of first articulated seats sets up along the tangential of preceding articulated ring, and each first articulated seat is all articulated with the front end of a disturbance board through the articulated shaft that sets up on it.
The rear air supply pipeline comprises a second air supply pipeline, a rear hinged ring and a rear connecting pipe, the second air supply pipeline, the rear hinged ring and the rear connecting pipe are coaxially arranged, the opening on one side of the rear hinged ring is fixedly connected with the end of the second air supply pipeline, the opening on the other side of the rear hinged ring is fixedly connected with the end of the rear connecting pipe, inner cavities of the second air supply pipeline, the rear hinged ring and the rear connecting pipe are mutually communicated, a plurality of second hinged seats are evenly arranged on the outer circumference of the rear hinged ring, the number of the second hinged seats arranged on the rear hinged ring is the same as the number of the disturbance plates in the disturbance module, the hinging shafts of the second hinged seats are arranged along the tangential direction of the rear hinged ring, and each second hinged seat is hinged with the rear end of one disturbance plate through the hinging shafts arranged on the second hinged seat.
The fan still includes the intermediate duct, the intermediate duct includes first pipeline casing and second pipeline casing, first pipeline casing and second pipeline casing are hollow semi-cylindrical structure, the radius of first pipeline casing is greater than second pipeline casing, the plane side lock of each other of first pipeline casing and second pipeline casing, the pipeline structure both ends that first pipeline casing and second pipeline casing lock formed respectively are sealed through an end plate, and a through-hole has all been seted up at the middle part of two end plates, two through-holes all with preceding supply air duct's lateral wall clearance fit, preceding supply air duct and through-hole insert the cooperation.
Still fixedly on the inner wall of first pipeline casing be provided with the track seat, first push rod track, second push rod track and drive shaft locating hole have been seted up on the track seat, the distance between the inner wall of first push rod track and first pipeline casing is greater than the distance between the inner wall of second push rod track and first pipeline casing, still fixedly on the end plate of one side wherein on the intermediate conduit be provided with two spring fixing blocks.
The fan also comprises a driving mechanism, the driving mechanism comprises a driving motor, a first bevel gear, a second bevel gear, a driving shaft, a first spiral bull wheel, a second spiral bull wheel, a first push rod, a second push rod and a poke rod, the power output end of the driving motor is fixedly connected with the first bevel gear, the first bevel gear is meshed with the second bevel gear, the first bevel gear is perpendicular to the second bevel gear, the second bevel gear is fixedly connected with the first spiral bull wheel and the second spiral bull wheel through the driving shaft, the driving motor is in transmission fit with the first spiral bull wheel and the second spiral bull wheel, one end of the driving shaft is fixedly connected with the second bevel gear, the other end of the driving shaft is inserted into a positioning hole of the driving shaft and then is in rotation fit with the positioning hole of the driving shaft, and the first spiral bull wheel and the second spiral bull wheel are coaxially arranged, the connecting surface between the maximum diameter position and the minimum diameter position of the side surface of the first snail wheel and the second snail wheel is positioned on the radius of the snail wheel, the pushing range of the first snail wheel is asynchronous with the pushing range of the second snail wheel, the first push rod and the second push rod are respectively arranged in the first push rod track and the second push rod track, one end of the first push rod is in transmission fit with the side wall of the first snail wheel 65, the other end of the first push rod is in transmission fit with the middle part of the poking rod, one end of the second push rod is in transmission fit with the side wall of the second snail wheel, the other end of the second push rod is in transmission fit with the top of the poking rod, the bottom of the poking rod is provided with a connecting rod, the connecting rod is arranged perpendicular to the poking rod, and the connecting rod is in transmission fit with the front air supply pipeline after being inserted into a poking hole on the front air supply pipeline.
The end parts of the first push rod and the second push rod are fixedly provided with a push rod spring, the end parts of the two push rod springs are respectively connected with a spring fixing block, the first push rod and the second push rod are identical in structure, one ends of the first push rod and the second push rod are respectively provided with a rotating shaft, and the first push rod and the second push rod are in transmission fit with the toggle rod through the rotating shafts arranged on the first push rod and the second push rod.
The poke rod comprises a connecting rod, a first poke rod, a second poke rod and a poke rod spring, one end of the connecting rod is fixedly connected with the bottom end of the first poke rod, the bottom end of the second poke rod is matched with the top end of the first poke rod in an inserted mode, the poke rod spring is arranged between the first poke rod and the second poke rod, and the first poke rod is matched with the second poke rod in an elastic mode through the poke rod spring.
The middle pipeline is far away from the fixed convergent spout that is provided with of one end of disturbance module, the convergent spout is hollow taper pipe structure, the diameter that the convergent spout is close to preceding supply air duct one end is greater than the diameter of keeping away from near preceding supply air duct one end.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a quick response type fan, wherein a disturbance module is a tubular structure with an adjustable diameter, a front air supply pipeline, the disturbance module and a rear air supply pipeline are sequentially connected end to form a straight pipe structure, when an axial flow fan in the rear air supply pipeline works, air sequentially passes through the rear air supply pipeline, the disturbance module and the front air supply pipeline, the front air supply pipeline outputs uniform columnar air flow, an elastic film is arranged between the front air supply pipeline and the rear air supply pipeline, when the diameter of the disturbance module is quickly reduced, the elastic film is pressed by the disturbance module, the diameter is synchronously and quickly reduced, the air flow flowing through the position is accelerated to be changed into a slender high-speed air flow column, the slender high-speed air flow column generates axial disturbance on the non-accelerated air flow in the front air supply pipeline, the middle part of the slender high-speed air flow column is curled to generate a vortex ring, when the diameter of the disturbance module is increased, the elastic film is recovered under the elastic action of the diameter, so that the next vortex ring can be prepared, and the elastic film is recovered to be synchronous with the disturbance module, and the vortex ring can be continuously generated uninterruptedly. Therefore, the design can drive the elastic film to work through the disturbance module, the vortex ring is rapidly produced, the response speed of the vortex ring is effectively improved, and meanwhile, the vortex ring can be continuously produced.
2. The invention relates to a quick response type fan, wherein a disturbance module comprises a driving motor, a first worm-and-bull wheel and a second worm-and-bull wheel, when the driving motor works, a first push rod and a second push rod are driven to be far away from the first worm-and-bull wheel and the second worm-and-bull wheel through the rotation of the first worm-and-bull wheel and the second worm-and-bull wheel, the first push rod and the second push rod are in transmission fit with a toggle rod to drive a front air supply pipeline to be synchronously far away from a rear air supply pipeline, the diameter of the disturbance module is slowly increased at the moment, when the first worm-and-bull wheel and the second worm-and-bull wheel continuously rotate, the first push rod and the second push rod are close to the first worm-and-bull wheel under the action of a spring, the front air supply pipeline is driven to be synchronously close to the rear air supply pipeline, the diameter of the disturbance module is reduced at the moment, when the driving motor rotates for one circle, a vortex is generated by the fan, and the generation speed of the vortex can be controlled by controlling the rotating speed of the driving motor. Therefore, the design can control the disturbance module to generate vortex through the driving motor, effectively improve the vortex generation frequency, and simultaneously can control the generation speed of the vortex through controlling the rotating speed of the driving motor.
3. In the quick response type fan, the disturbance module comprises a plurality of disturbance plates which are uniformly arranged along the outer circumference of the elastic film, so that the elastic film is uniformly stressed when the diameter of the disturbance module is reduced, meanwhile, the disturbance plates comprise a first hinge plate, a second hinge plate and a third hinge plate which are sequentially hinged end to end, and the hinges at two ends of the second hinge plate are respectively provided with a limit block, so that the disturbance plates only bend inwards to extrude the elastic film but cannot bend outwards. Therefore, the design can avoid the vortex ring from failing due to the outward bending of the disturbance plate through the limiting block.
4. In the quick response type fan, the end of the middle pipeline far away from the disturbance module is fixedly provided with the gradually-reducing nozzle, the diameter of the end of the gradually-reducing nozzle close to the front air supply pipeline is larger than that of the end of the gradually-reducing nozzle far away from the front air supply pipeline, when air passes through the gradually-reducing nozzle, the air flow can move in an accelerated manner due to air pressure drop, and meanwhile, the gradually-reducing nozzle can enable the sprayed air to have good guidance. Therefore, the design can accelerate the flow velocity of the accelerated gas flow through the reducing nozzle, effectively increase the propagation distance of the gas flow and simultaneously ensure that the gas has good guidance quality.
5. In the quick response fan, the connecting surface between the maximum diameter position and the minimum diameter position of the side surfaces of the first snail wheel and the second snail wheel is positioned on the radius of the snail wheel, so that the first push rod and the second push rod can quickly fall to the minimum diameter position after moving to the maximum diameter position of the side surfaces of the snail wheels, the disturbance plate can be quickly bent or restored, and the elastic film can realize quick winding and restoration. Therefore, the elastic film can realize quick winding and recovery through the spiral wheel, and the vortex ring effect is enhanced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the present invention.
FIG. 3 is a schematic diagram of the perturbation module of FIG. 1.
Fig. 4 is a schematic view of the front blowing duct of fig. 1.
Fig. 5 is a schematic structural view of the rear air supply duct of fig. 1.
Fig. 6 is a schematic view of the structure of the intermediate duct of fig. 1.
Fig. 7 is a schematic view of the structure of the driving mechanism in fig. 1.
Fig. 8 is a schematic structural view of the first push rod in fig. 7.
In the figure: the air conditioner comprises a front air supply pipeline 1, a first air supply pipeline 11, a front hinged ring 12, a front connecting pipe 13, a first hinged seat 14, a poking hole 15, a disturbing module 2, a disturbing plate 21, a first hinged plate 22, a second hinged plate 23, a third hinged plate 24, a limiting block 25, a front end 26, a rear end 27, a rear air supply pipeline 3, a second air supply pipeline 31, a rear hinged ring 32, a rear connecting pipe 33, a second hinged seat 34, an axial flow fan 4, an elastic membrane 5, a driving mechanism 6, a driving motor 61, a first bevel gear 62, a second bevel gear 63, a driving shaft 64, a first worm gear 65, a second worm gear 66, a first push rod 67, a rotating shaft 671, a second push rod 68, a poking rod 69, a connecting rod 691, a first poking rod 692, a second poking rod 693, a poking rod spring 694, a push rod spring 70, a middle pipeline positioning hole 7, a first pipeline shell 71, a second pipeline shell 72, a first push rod track 73, a second push rod track 74, an end plate 75, a spring fixing block 76, a driving shaft 77, a through hole 78 and a spout 8.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 8, a fast response fan includes: the device comprises a front air supply pipeline 1, a disturbance module 2, a rear air supply pipeline 3, an axial flow fan 4 and an elastic film 5; the utility model discloses a wind power generation device, including disturbance module 2, air supply pipeline 1, disturbance module 2 and back air supply pipeline 3, the disturbance module 2 is the tubular structure with adjustable diameter, preceding air supply pipeline 1, disturbance module 2 and back air supply pipeline 3 connect end to end in proper order and form the straight tube structure, the fixed axial fan 4 that is provided with of one end that keeps away from disturbance module 2 is managed to back air supply pipeline 3, axial fan 4's air-out direction is just to the inside setting of back air supply pipeline 3, elastic film 5 sets up between preceding air supply pipeline 1 and back air supply pipeline 3, elastic film 5's one end and preceding air supply pipeline 1's tip fixed connection, elastic film 5's the other end pass behind the inner chamber of disturbance module 2 and the tip fixed connection of back air supply pipeline 3, the inner wall and the elastic film 5 transmission fit of disturbance module 2.
The disturbing module 2 comprises a plurality of disturbing plates 21, the disturbing plates 21 are uniformly arranged along the outer circumference of the elastic film 5, each disturbing plate 21 comprises a first hinged plate 22, a second hinged plate 23 and a third hinged plate 24, the first hinged plate 22, the second hinged plate 23 and the third hinged plate 24 are sequentially connected end to end, the hinges 24 at two ends of each second hinged plate 23 are respectively provided with a limiting block 25, and each limiting block 25 is arranged on one side of each hinge 24 close to the inner cavity of the disturbing module 2.
The front air supply pipeline 1 comprises a first air supply pipeline 11, a front hinged ring 12 and a front connecting pipe 13, the first air supply pipeline 11, the front hinged ring 12 and the front connecting pipe 13 are coaxially arranged, an opening on one side of the front hinged ring 12 is fixedly connected with the end of the first air supply pipeline 11, an opening on the other side of the front hinged ring 12 is fixedly connected with the end of the front connecting pipe 13, inner cavities of the first air supply pipeline 11, the front hinged ring 12 and the front connecting pipe 13 are communicated with each other, a plurality of first hinged seats 14 are uniformly and fixedly arranged on the outer circumference of the front hinged ring 12, the number of the first hinged seats 14 arranged on the front hinged ring 12 is the same as the number of the disturbance plates 21 in the disturbance module 2, the hinged shafts of the first hinged seats 14 are arranged along the tangential direction of the front hinged ring 12, and each first hinged seat 14 is hinged with the front end 26 of one disturbance plate 21 through the hinged shaft arranged on the first hinged seat.
The rear air supply pipeline 3 comprises a second air supply pipeline 31, a rear hinged ring 32 and a rear connecting pipe 33, the second air supply pipeline 31, the rear hinged ring 32 and the rear connecting pipe 33 are coaxially arranged, an opening on one side of the rear hinged ring 32 is fixedly connected with the end of the second air supply pipeline 31, an opening on the other side of the rear hinged ring 32 is fixedly connected with the end of the rear connecting pipe 33, inner cavities of the second air supply pipeline 31, the rear hinged ring 32 and the rear connecting pipe 33 are communicated with each other, a plurality of second hinged seats 34 are uniformly arranged on the outer circumference of the rear hinged ring 32, the number of the second hinged seats 34 arranged on the rear hinged ring 32 is the same as the number of the disturbance plates 21 in the disturbance module 2, hinge shafts of the second hinged seats 34 are arranged along the tangential direction of the rear hinged ring 32, and each second hinged seat 34 is hinged with the rear end 27 of one disturbance plate 21 through a hinge shaft arranged on the second hinged seat.
The fan further comprises an intermediate pipeline 7, the intermediate pipeline 7 comprises a first pipeline shell 71 and a second pipeline shell 72, the first pipeline shell 71 and the second pipeline shell 72 are both hollow semi-cylindrical structures, the radius of the first pipeline shell 71 is larger than that of the second pipeline shell 72, the plane sides of the first pipeline shell 71 and the second pipeline shell 72 are mutually buckled, two ends of the pipeline structure formed by buckling the first pipeline shell 71 and the second pipeline shell 72 are sealed through an end plate 77 respectively, a through hole 78 is formed in the middle of each of the two end plates 77, the two through holes 78 are in clearance fit with the side wall of the front air supply pipeline 1, and the front air supply pipeline 1 is in insertion fit with the through hole 78.
Still fixedly on the inner wall of first pipeline casing 71 be provided with track seat 73, first push rod track 73, second push rod track 74 and drive shaft locating hole 75 have been seted up on track seat 73, the distance between first push rod track 73 and the inner wall of first pipeline casing 71 is greater than the distance between second push rod track 74 and the inner wall of first pipeline casing 71, still fixedly on the end plate of one of them side on middle pipeline 7 be provided with two spring fixed block 76.
The fan also comprises a driving mechanism 6, wherein the driving mechanism 6 comprises a driving motor 61, a first bevel gear 62, a second bevel gear 63, a driving shaft 64, a first worm gear 65, a second worm gear 66, a first push rod 67, a second push rod 68 and a poke rod 69, the power output end of the driving motor 61 is fixedly connected with a first bevel gear 62, the first bevel gear 62 is meshed with a second bevel gear 63, the first bevel gear 62 is arranged perpendicular to the second bevel gear 63, the second bevel gear 63 is fixedly connected with a first worm gear 65 and a second worm gear 66 through a driving shaft 64, the driving motor 61 is in transmission fit with a first worm gear 65 and a second worm gear 66, one end of the driving shaft 64 is fixedly connected with the second bevel gear 63, the other end of the drive shaft 64 is inserted into the drive shaft positioning hole 75 and then rotationally engaged with the drive shaft positioning hole 75, the first worm gear 65 and the second worm gear 66 are coaxially arranged, the connecting surface between the position with the maximum diameter and the position with the minimum diameter of the side surface of the first worm gear 65 and the second worm gear 66 is positioned on the radius of the worm gears, the pushing distance of the first worm gear 65 is asynchronous with the pushing distance of the second worm gear 66, the first push rod 67 and the second push rod 68 are respectively arranged in the first push rod track 73 and the second push rod track 74, one end of the first push rod 67 is in transmission fit with the side wall of the first worm wheel 65, the other end of the first push rod 67 is in transmission fit with the middle part of the poke rod 69, one end of the second push rod 68 is in transmission fit with the side wall of the second worm wheel 66, the other end of the second push rod 68 is in transmission fit with the top of the poke rod 69, a connecting rod 691 is arranged at the bottom of the poke rod 69, the connecting rod 691 is perpendicular to the poke rod 69, the connecting rod 691 is inserted into the poking hole 15 on the front air supply pipeline 1 and then is in transmission fit with the front air supply pipeline 1.
The end portions of the first push rod 67 and the second push rod 68 are fixedly provided with a push rod spring 70, the end portions of the two push rod springs 70 are respectively connected with a spring fixing block 76, the first push rod 67 and the second push rod 68 have the same structure, one end of the first push rod 67 and one end of the second push rod 68 are respectively provided with a rotating shaft 671, and the first push rod 67 and the second push rod 68 are in transmission fit with the poke rod 69 through the rotating shaft 671 arranged on the first push rod 67 and the second push rod 68.
The toggle rod 69 includes a connecting rod 691, a first toggle rod 692, a second toggle rod 693, and a toggle rod spring 694, wherein one end of the connecting rod 691 is fixedly connected to a bottom end of the first toggle rod 692, a bottom end of the second toggle rod 693 is inserted into and engaged with a top end of the first toggle rod 692, the toggle rod spring 694 is disposed between the first toggle rod 692 and the second toggle rod 693, and the first toggle rod 692 is elastically engaged with the second toggle rod 693 through the toggle rod spring 694.
The middle pipeline 7 is far away from the fixed convergent spout 8 that is provided with of one end of disturbance module 2, convergent spout 8 is hollow taper pipe structure, the diameter that convergent spout 8 is close to preceding supply air duct 1 one end is greater than the diameter of keeping away from the preceding supply air duct 1 one end.
The principle of the invention is illustrated as follows:
the driving motor 61 in the present design is a stepping motor;
the first and second worm wheels 65 and 66 in the design have the same structure, and a certain included angle is formed between the convex parts of the first and second worm wheels 65 and 66.
Example 1:
a fast response fan, the fan comprising: the device comprises a front air supply pipeline 1, a disturbance module 2, a rear air supply pipeline 3, an axial flow fan 4 and an elastic film 5; the disturbance module 2 is of a tubular structure with adjustable diameter, the front air supply pipeline 1, the disturbance module 2 and the rear air supply pipeline 3 are sequentially connected end to form a straight pipe structure, one end, far away from the disturbance module 2, of the rear air supply pipeline 3 is fixedly provided with an axial flow fan 4, the air outlet direction of the axial flow fan 4 is opposite to the interior of the rear air supply pipeline 3, the elastic film 5 is arranged between the front air supply pipeline 1 and the rear air supply pipeline 3, one end of the elastic film 5 is fixedly connected with the end part of the front air supply pipeline 1, the other end of the elastic film 5 penetrates through the inner cavity of the disturbance module 2 and is fixedly connected with the end part of the rear air supply pipeline 3, and the inner wall of the disturbance module 2 is in transmission fit with the elastic film 5; the disturbing module 2 comprises a plurality of disturbing plates 21, the disturbing plates 21 are uniformly arranged along the outer circumference of the elastic film 5, each disturbing plate 21 comprises a first hinged plate 22, a second hinged plate 23 and a third hinged plate 24, the first hinged plate 22, the second hinged plate 23 and the third hinged plate 24 are sequentially connected end to end, the hinges 24 at two ends of each second hinged plate 23 are respectively provided with a limiting block 25, and each limiting block 25 is arranged on one side of each hinge 24 close to the inner cavity of the disturbing module 2; the front air supply pipeline 1 comprises a first air supply pipeline 11, a front hinged ring 12 and a front connecting pipe 13, the first air supply pipeline 11, the front hinged ring 12 and the front connecting pipe 13 are coaxially arranged, an opening on one side of the front hinged ring 12 is fixedly connected with the end part of the first air supply pipeline 11, an opening on the other side of the front hinged ring 12 is fixedly connected with the end part of the front connecting pipe 13, inner cavities of the first air supply pipeline 11, the front hinged ring 12 and the front connecting pipe 13 are mutually communicated, a plurality of first hinged seats 14 are uniformly and fixedly arranged on the outer circumference of the front hinged ring 12, the number of the first hinged seats 14 arranged on the front hinged ring 12 is the same as that of the disturbance plates 21 in the disturbance module 2, the hinged shafts of the first hinged seats 14 are arranged along the tangential direction of the front hinged ring 12, and each first hinged seat 14 is hinged with the front end 26 of one disturbance plate 21 through the hinged shaft arranged on the first hinged seat; the rear air supply pipeline 3 comprises a second air supply pipeline 31, a rear hinged ring 32 and a rear connecting pipe 33, the second air supply pipeline 31, the rear hinged ring 32 and the rear connecting pipe 33 are coaxially arranged, an opening on one side of the rear hinged ring 32 is fixedly connected with the end part of the second air supply pipeline 31, an opening on the other side of the rear hinged ring 32 is fixedly connected with the end part of the rear connecting pipe 33, inner cavities of the second air supply pipeline 31, the rear hinged ring 32 and the rear connecting pipe 33 are mutually communicated, a plurality of second hinged seats 34 are uniformly arranged on the outer circumference of the rear hinged ring 32, the number of the second hinged seats 34 arranged on the rear hinged ring 32 is the same as that of the disturbance plates 21 in the disturbance module 2, hinged shafts of the plurality of second hinged seats 34 are arranged along the tangential direction of the rear hinged ring 32, and each second hinged seat 34 is hinged with the rear end 27 of one disturbance plate 21 through a hinged shaft arranged on the second hinged seat; the fan further comprises a middle pipeline 7, the middle pipeline 7 comprises a first pipeline shell 71 and a second pipeline shell 72, the first pipeline shell 71 and the second pipeline shell 72 are both hollow semi-cylindrical structures, the radius of the first pipeline shell 71 is larger than that of the second pipeline shell 72, the plane sides of the first pipeline shell 71 and the second pipeline shell 72 are mutually buckled, two ends of the pipeline structure formed by buckling the first pipeline shell 71 and the second pipeline shell 72 are respectively sealed by an end plate 77, the middle parts of the two end plates 77 are respectively provided with a through hole 78, the two through holes 78 are respectively in clearance fit with the side wall of the front air supply pipeline 1, and the front air supply pipeline 1 is in insertion fit with the through holes 78; a track seat 73 is further fixedly arranged on the inner wall of the first pipeline housing 71, a first push rod track 73, a second push rod track 74 and a driving shaft positioning hole 75 are formed in the track seat 73, the distance between the first push rod track 73 and the inner wall of the first pipeline housing 71 is greater than the distance between the second push rod track 74 and the inner wall of the first pipeline housing 71, and two spring fixing blocks 76 are further fixedly arranged on an end plate on one side of the middle pipeline 7; the fan also comprises a driving mechanism 6, wherein the driving mechanism 6 comprises a driving motor 61, a first bevel gear 62, a second bevel gear 63, a driving shaft 64, a first worm gear 65, a second worm gear 66, a first push rod 67, a second push rod 68 and a poke rod 69, the power output end of the driving motor 61 is fixedly connected with a first bevel gear 62, the first bevel gear 62 is meshed with a second bevel gear 63, the first bevel gear 62 is arranged perpendicular to the second bevel gear 63, the second bevel gear 63 is fixedly connected with a first worm gear 65 and a second worm gear 66 through a driving shaft 64, the driving motor 61 is in transmission fit with a first worm gear 65 and a second worm gear 66, one end of the driving shaft 64 is fixedly connected with the second bevel gear 63, the other end of the drive shaft 64 is inserted into the drive shaft positioning hole 75 and then rotationally engaged with the drive shaft positioning hole 75, the first worm gear 65 and the second worm gear 66 are coaxially arranged, the connecting surface between the position with the maximum diameter and the position with the minimum diameter of the side surface of the first worm gear 65 and the second worm gear 66 is positioned on the radius of the worm gears, the pushing distance of the first worm gear 65 is asynchronous with the pushing distance of the second worm gear 66, the first push rod 67 and the second push rod 68 are respectively arranged in the first push rod track 73 and the second push rod track 74, one end of the first push rod 67 is in transmission fit with the side wall of the first worm wheel 65, the other end of the first push rod 67 is in transmission fit with the middle part of the poke rod 69, one end of the second push rod 68 is in transmission fit with the side wall of the second worm wheel 66, the other end of the second push rod 68 is in transmission fit with the top of the poke rod 69, a connecting rod 691 is arranged at the bottom of the poke rod 69, the connecting rod 691 is perpendicular to the poke rod 69, the connecting rod 691 is inserted into the poking hole 15 on the front air supply pipeline 1 and then is in transmission fit with the front air supply pipeline 1.
This design is in the use:
the axial flow fan 4 starts to work to pump air into the rear air supply pipeline 3, the air sequentially passes through the rear air supply pipeline 3, the elastic film 5 and the front air supply pipeline 1 and then is blown out from an air outlet of the front air supply pipeline 1, at the moment, the air blown out from the front air supply pipeline 1 is a common cylindrical airflow, when a vortex ring needs to be generated, the driving motor 61 starts to work, a power output shaft of the driving motor 61 drives the first bevel gear 62 to start rotating, the first bevel gear 62 drives the first worm gear 65 and the second worm gear 66 to rotate through the second bevel gear 63 meshed with the first bevel gear, when the first worm gear 65 and the second worm gear 66 rotate, the first push rod 67 is pushed by the first worm gear 65 to synchronously move away from the disturbance module 2, meanwhile, the second push rod 68 is pushed by the second worm gear 66 to synchronously move away from the disturbance module 2, at the moment, the first push rod 67 and the second push rod 68 drive the front air supply pipeline 1 to move away from the rear air supply pipeline 3, the distance between the front air supply pipeline 1 and the rear air supply pipeline 3 is increased, at this time, the elastic film 5 is restored to the straightened state from the bent state, the inner diameter of the pipeline formed by the elastic film 5 is increased, when the driving motor 61 continues to rotate, because a certain included angle exists between the first scroll wheel 65 and the second scroll wheel 66, the first push rod 67 reaches the highest point of the corresponding scroll wheel earlier than the second push rod 68, at this time, the first push rod 67 falls into the lowest point of the first scroll wheel 65 through the curved surface fault of the first scroll wheel 65, the poke rod 69 starts to rotate by taking the joint of the second poke rod 693 and the second push rod 68 as the center, so that the connecting rod 691 drives the front air supply pipeline 1 to move close to the rear air supply pipeline 3, at this time, each perturbation plate 21 in the perturbation module 2 bends inwards, each perturbation plate 21 drives the elastic film 5 to bend from the straightened state, the inner diameter of the duct formed by the elastic film 5 is rapidly reduced, so that the airflow flowing through the duct is accelerated and changed into a slender high-speed airflow column, the slender high-speed airflow column generates axial disturbance to the non-accelerated airflow in the front air supply duct 1, the airflow is curled to generate a vortex ring, after the vortex ring is generated, the driving motor 61 continues to rotate, at this time, the diameter change of the contact point of the first push rod 67 and the first worm-and-wheel 65 is small, the first push rod 67 is kept still, the second worm-and-wheel 66 continues to rotate until the second push rod 68 reaches the highest point of the second worm-and-wheel 66, at this time, the second push rod 68 falls into the lowest point of the second worm-and-wheel 66 through the curved fault of the second worm-and-wheel 66, the poke rod 69 starts to rotate by taking the connection position of the first poke 692 and the rotating shaft 671 as the center, so that the connecting rod 691 drives the front air supply duct 1 to move away from the rear air supply duct 3, and the system returns to the initial position.
Example 2:
example 2 is substantially the same as example 1 except that:
a push rod spring 70 is fixedly arranged on each of the end portions of the first push rod 67 and the second push rod 68, the end portions of the two push rod springs 70 are respectively connected with a spring fixing block 76, the first push rod 67 and the second push rod 68 have the same structure, a rotating shaft 671 is arranged on each of one end portions of the first push rod 67 and the second push rod 68, and the first push rod 67 and the second push rod 68 are in transmission fit with the poke rod 69 through the rotating shafts 671 arranged on the first push rod 67 and the second push rod 68; the toggle rod 69 includes a connecting rod 691, a first toggle rod 692, a second toggle rod 693, and a toggle rod spring 694, wherein one end of the connecting rod 691 is fixedly connected to a bottom end of the first toggle rod 692, a bottom end of the second toggle rod 693 is inserted into and engaged with a top end of the first toggle rod 692, the toggle rod spring 694 is disposed between the first toggle rod 692 and the second toggle rod 693, and the first toggle rod 692 is elastically engaged with the second toggle rod 693 through the toggle rod spring 694.
This design is in the use:
the push rod spring 70 is continuously pressed by the corresponding first push rod 67, second push rod 68 and the middle pipe 7, and at this time, the elastic force of the push rod spring 70 pushes the first push rod 67 and the second push rod 68 toward the driving mechanism 6, so that the first push rod 67 and the second push rod 68 are continuously pressed on the side walls of the first worm gear 65 and the second worm gear 66.
Example 3:
example 3 is substantially the same as example 2, except that:
the middle pipeline 7 is far away from one end of the disturbance module 2 and is fixedly provided with a reducing nozzle 8, the reducing nozzle 8 is of a hollow taper pipe structure, and the diameter of the reducing nozzle 8 close to one end of the front air supply pipeline 1 is larger than the diameter of the reducing nozzle far away from one end of the front air supply pipeline 1.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiment, but equivalent modifications or changes made by those skilled in the art according to the disclosure of the present invention should be included in the scope of the present invention as set forth in the appended claims.
Claims (10)
1. A fast response fan, comprising:
the fan includes: the device comprises a front air supply pipeline (1), a disturbance module (2), a rear air supply pipeline (3), an axial flow fan (4) and an elastic film (5);
disturbance module (2) are the diameter adjustable tubular structure, preceding supply air duct (1), disturbance module (2) and back supply air duct (3) end to end connection formation straight tube structure in proper order, the fixed axial fan (4) that is provided with of one end that disturbance module (2) was kept away from in back supply air duct (3), the air-out direction of axial fan (4) is just to the inside setting of back supply air duct (3), elastic film (5) set up between preceding supply air duct (1) and back supply air duct (3), the tip fixed connection of the one end of elastic film (5) and preceding supply air duct (1), the other end of elastic film (5) passes behind the inner chamber of disturbance module (2) and the tip fixed connection of back supply air duct (3), the inner wall and the elastic film (5) transmission cooperation of disturbance module (2).
2. A fast response fan as recited in claim 1, wherein:
the disturbance module (2) comprises a plurality of disturbance plates (21), the disturbance plates (21) are uniformly arranged along the outer circumference of the elastic film (5), the disturbance plates (21) comprise first hinge plates (22), second hinge plates (23) and third hinge plates (24), the first hinge plates (22), the second hinge plates (23) and the third hinge plates (24) are sequentially connected end to end, limiting blocks (25) are respectively arranged on the hinges (24) at the two ends of the second hinge plates (23), and the limiting blocks (25) are all arranged on one side, close to the inner cavity of the disturbance module (2), of the hinge (24).
3. A fast response fan as recited in claim 2, wherein:
the front air supply pipeline (1) comprises a first air supply pipeline (11), a front hinged ring (12) and a front connecting pipe (13), the first air supply pipeline (11), the front hinged ring (12) and the front connecting pipe (13) are coaxially arranged, an opening on one side of the front hinged ring (12) is fixedly connected with the end of the first air supply pipeline (11), an opening on the other side of the front hinged ring (12) is fixedly connected with the end of the front connecting pipe (13), inner cavities of the first air supply pipeline (11), the front hinged ring (12) and the front connecting pipe (13) are mutually communicated, a plurality of first hinged seats (14) are uniformly and fixedly arranged on the outer circumference of the front hinged ring (12), the number of the first hinged seats (14) arranged on the front hinged ring (12) is identical to the number of disturbance plates (21) in the disturbance module (2), the hinging shafts of the first hinged seats (14) are arranged along the tangential direction of the front hinged ring (12), and each first hinged seat (14) is hinged with the front disturbance plate (21) through the hinging shaft (26) arranged on the first hinged seat.
4. A fast response fan as recited in claim 3, wherein:
the rear air supply pipeline (3) comprises a second air supply pipeline (31), a rear hinged ring (32) and a rear connecting pipe (33), the second air supply pipeline (31), the rear hinged ring (32) and the rear connecting pipe (33) are coaxially arranged, an opening on one side of the rear hinged ring (32) is fixedly connected with the end of the second air supply pipeline (31), an opening on the other side of the rear hinged ring (32) is fixedly connected with the end of the rear connecting pipe (33), inner cavities of the second air supply pipeline (31), the rear hinged ring (32) and the rear connecting pipe (33) are mutually communicated, a plurality of second hinged seats (34) are uniformly arranged on the outer circumference of the rear hinged ring (32), the number of the second hinged seats (34) arranged on the rear hinged ring (32) is identical to the number of the disturbance plates (21) in the disturbance module (2), the hinging shafts of the plurality of second hinged seats (34) are arranged along the tangential direction of the rear hinged ring (32), and each second hinged seat (34) is hinged with the rear disturbance plate (27) through the hinging plate (21) arranged on the second hinged seats.
5. A rapid response fan according to any one of claims 1 to 4, characterized in that:
the fan further comprises a middle pipeline (7), the middle pipeline (7) comprises a first pipeline shell (71) and a second pipeline shell (72), the first pipeline shell (71) and the second pipeline shell (72) are both hollow semi-cylindrical structures, the radius of the first pipeline shell (71) is larger than that of the second pipeline shell (72), the plane sides of the first pipeline shell (71) and the second pipeline shell (72) are mutually buckled, two ends of a pipeline structure formed by buckling the first pipeline shell (71) and the second pipeline shell (72) are sealed through an end plate (77), a through hole (78) is formed in the middle of each end plate (77), the two through holes (78) are in clearance fit with the side wall of the front air supply pipeline (1), and the front air supply pipeline (1) is in insertion fit with the through hole (78).
6. The fast response fan of claim 5, wherein:
still fixedly on the inner wall of first pipeline casing (71) be provided with track seat (73), first push rod track (73), second push rod track (74) and drive shaft locating hole (75) have been seted up on track seat (73), the distance between the inner wall of first push rod track (73) and first pipeline casing (71) is greater than the distance between the inner wall of second push rod track (74) and first pipeline casing (71), still fixedly on the end plate of one of them side on middle pipeline (7) be provided with two spring fixed block (76).
7. The fast response fan of claim 6, wherein:
the fan further comprises a driving mechanism (6), the driving mechanism (6) comprises a driving motor (61), a first bevel gear (62), a second bevel gear (63), a driving shaft (64), a first worm gear (65), a second worm gear (66), a first push rod (67), a second push rod (68) and a poke rod (69), the power output end of the driving motor (61) is fixedly connected with the first bevel gear (62), the first bevel gear (62) is meshed with the second bevel gear (63), the first bevel gear (62) is arranged perpendicular to the second bevel gear (63), the second bevel gear (63) is fixedly connected with the first worm gear (65) and the second worm gear (66) through the driving shaft (64), the driving motor (61) is in transmission fit with the first worm gear (65) and the second worm gear (66), one end of the driving shaft (64) is fixedly connected with the second bevel gear (63), the other end of the driving shaft (64) is inserted into a maximum positioning hole (75) and then is in transmission fit with the first worm gear (65), and the diameter of the second worm gear (66) is coaxially arranged on the side surface of the first worm gear (75), the stroke that pushes away of first worm-and-cow wheel (65) and the stroke that pushes away of second worm-and-cow wheel (66) are asynchronous, first push rod (67) set up respectively in first push rod track (73) and second push rod track (74) with second push rod (68), the one end of first push rod (67) and the lateral wall transmission cooperation of first worm-and-cow wheel (65), the other end of first push rod (67) and the top transmission cooperation of poker rod (69), the one end of second push rod (68) and the lateral wall transmission cooperation of second worm-and-cow wheel (66), the other end of second push rod (68) and the middle part transmission cooperation of poker rod (69), the bottom of poker rod (69) is provided with connecting rod (691), connecting rod (691) perpendicular to poker rod (69) set up, connecting rod (691) insert behind the shifting hole (15) on preceding supply-air pipeline (1) with preceding supply-air pipeline (1) transmission cooperation.
8. A fast response fan in accordance with claim 7, wherein:
the end parts of the first push rod (67) and the second push rod (68) are fixedly provided with a push rod spring (70), the end parts of the two push rod springs (70) are respectively connected with a spring fixing block (76), the first push rod (67) and the second push rod (68) are identical in structure, one ends of the first push rod (67) and the second push rod (68) are respectively provided with a rotating shaft (671), and the first push rod (67) and the second push rod (68) are in transmission fit with the poke rod (69) through the rotating shafts (671) arranged on the first push rod (67) and the second push rod (68).
9. A fast response fan in accordance with claim 8, wherein:
the poking rod (69) comprises a connecting rod (691), a first poking rod (692), a second poking rod (693) and a poking rod spring (694), one end of the connecting rod (691) is fixedly connected with the bottom end of the first poking rod (692), the bottom end of the second poking rod (693) is inserted into the top end of the first poking rod (692) for matching, the poking rod spring (694) is arranged between the first poking rod (692) and the second poking rod (693), and the first poking rod (692) is elastically matched with the second poking rod (693) through the poking rod spring (694).
10. A fast response fan in accordance with claim 9, wherein:
the middle pipeline (7) is far away from one end of the disturbance module (2) and is fixedly provided with a reducing nozzle (8), the reducing nozzle (8) is of a hollow taper pipe structure, and the diameter of one end, close to the front air supply pipeline (1), of the reducing nozzle (8) is larger than the diameter of one end, close to the front air supply pipeline (1), of the reducing nozzle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685252A (en) * | 2023-12-18 | 2024-03-12 | 武汉理工大学 | Adjustable air supply device |
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| CN115853830B (en) | 2023-09-12 |
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