CN115853830B - Quick response type fan - Google Patents
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- CN115853830B CN115853830B CN202211687099.8A CN202211687099A CN115853830B CN 115853830 B CN115853830 B CN 115853830B CN 202211687099 A CN202211687099 A CN 202211687099A CN 115853830 B CN115853830 B CN 115853830B
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Abstract
A quick 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 diameter adjustable tubular structure, preceding air supply pipeline, disturbance module and back air supply pipeline are connected end to end in proper order and are formed the straight tube structure, the one end that the disturbance module was kept away from to back air supply pipeline is fixed to be provided with axial fan, axial fan's air-out direction is just to the inside setting of back air supply pipeline, elastic membrane sets up between preceding air supply pipeline and back air supply pipeline, elastic membrane's one end and preceding air supply pipeline's tip fixed connection, elastic membrane's the other end passes the inner chamber of disturbance module after with back air supply pipeline's tip fixed connection, disturbance module's inner wall and elastic membrane transmission cooperation. The design can drive the elastic film to work through the disturbance module, so that the vortex ring can be produced rapidly, the response speed of the vortex ring is effectively improved, and the vortex ring can be continuously produced.
Description
Technical Field
The application 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 an airflow form capable of stably spreading, and compared with the traditional air supply mode, the energy dissipation in the spreading process is less, and under the condition of the same spreading speed, the spreading distance of the vortex ring is twice that of the common airflow; axial perturbation of the central location of the columnar air flow is one of the core mechanisms for creating vortex rings.
The conventional disturbance 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 may be generated in series in a manner that produces turbulence at a rate that is not fast enough.
There is a need for a device that can produce both rapid airflow disturbances and rapid and continuous generation of large numbers of vortex rings.
The application 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 shell is provided with an air inlet and an air outlet; the vortex ring generating device is detachably connected with the shell, and is arranged in the shell or hung outside the shell; when the vortex ring generating device is arranged in the shell, air flow entering from the air inlet can pass through the vortex ring generating device and then be blown out from the air outlet; when the vortex ring generating device is hung outside the shell, air flow entering from the air inlet can be blown out through the vortex ring generating device after being blown out through the air outlet. Although this 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 disclosure of this background section is only intended to increase the understanding of the general background of the application and should not be taken as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The application aims to overcome the defect that a plurality of vortex rings cannot be generated in rapid succession in the prior art, and provides a rapid response type fan which is rapid in response speed and can continuously generate a plurality of vortex rings.
In order to achieve the above object, the technical solution of the present application is:
a quick 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 utility model discloses a wind turbine, including disturbance module, elastic membrane, back air supply pipeline, front air supply pipeline, disturbance module and back air supply pipeline, the disturbance module is the tubular structure with adjustable diameter, front air supply pipeline, disturbance module and back air supply pipeline are connected end to end in proper order form the straight tube structure, the back air supply pipeline is kept away from the one end of disturbance module and is fixedly provided with axial fan, axial fan's air-out direction is just to the inside setting of back air supply pipeline, elastic membrane sets up between front air supply pipeline and back air supply pipeline, the one end of elastic membrane and the tip fixed connection of front air supply pipeline, the other end of elastic membrane passes the inner chamber back of disturbance module and the tip fixed connection of back air supply pipeline, the inner wall and the elastic membrane transmission cooperation of disturbance module.
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 plates, the second hinged plates and the third hinged plates are sequentially connected end to end, a limiting block is respectively arranged on each hinge at two ends of each second hinged plate, and each limiting block is arranged on one side, close to the inner cavity of the disturbance module, of each hinge.
The front air supply pipeline comprises a first air supply pipeline, a front hinge ring and a front connecting pipe, wherein the first air supply pipeline, the front hinge ring and the front connecting pipe are coaxially arranged, an opening on one side of the front hinge ring is fixedly connected with the end part of the first air supply pipeline, an opening on the other side of the front hinge ring is fixedly connected with the end part of the front connecting pipe, the inner cavities of the first air supply pipeline, the front hinge ring and the front connecting pipe are mutually communicated, a plurality of first hinge seats are uniformly and fixedly arranged on the outer circumference of the front hinge ring, the number of the first hinge seats arranged on the front hinge ring is the same as that of disturbance plates in the disturbance module, and hinge shafts of the plurality of first hinge seats are arranged along the tangential direction of the front hinge ring, and all the first hinge seats are hinged with the front end of one disturbance plate through hinge shafts arranged on the first hinge seats.
The utility model discloses a back air supply pipeline, including second air supply pipeline, back articulated ring and back connecting pipe, second air supply pipeline, back articulated ring and the coaxial setting of back connecting pipe, the opening of back articulated ring one side and the tip fixed connection of second air supply pipeline, the opening of back articulated ring opposite side and the tip fixed connection of back connecting pipe, the inner chamber intercommunication each other of second air supply pipeline, back articulated ring and back connecting pipe, evenly be provided with a plurality of second articulated seat on the outer circumference of back articulated ring, the quantity of the second articulated seat that sets up on the back articulated ring is the same with the quantity of disturbance board in the disturbance module, and the articulated shaft of a plurality of second articulated seats sets up along the tangential of back articulated ring, and each second articulated seat is articulated with the rear end of a disturbance board through the articulated shaft that sets up on it.
The fan still includes middle pipeline, middle pipeline includes first pipeline casing and second pipeline casing, first pipeline casing and second pipeline casing are hollow semi-cylindrical structure, first pipeline casing's radius is greater than the second pipeline casing, the plane side of first pipeline casing and second pipeline casing is the lock each other, pipeline structure both ends that first pipeline casing and second pipeline casing lock formed are sealed through an end plate respectively, and a through-hole has all been seted up at the middle part of two end plates, and two through-holes all with the lateral wall clearance fit of preceding air supply pipeline, preceding air supply pipeline and through-hole insertion fit.
The inner wall of the first pipeline shell is also fixedly provided with a track seat, a first push rod track, a second push rod track and a driving shaft positioning hole are formed in the track seat, the distance between the first push rod track and the inner wall of the first pipeline shell is larger than that between the second push rod track and the inner wall of the first pipeline shell, and two spring fixing blocks are fixedly arranged on the end plate on one side of the middle pipeline.
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 snail wheel, a second snail wheel, a first push rod, a second push rod and a toggle 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 snail wheel and the second snail wheel through the driving shaft, the driving motor is in transmission fit with the first snail wheel and the second snail 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 the driving shaft positioning hole and then is in rotary fit with the driving shaft positioning hole, the first snail wheel and the second snail wheel are coaxially arranged, the connecting surface between the largest diameter position and the smallest 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, the pushing stroke of the first snail wheel is asynchronous with the pushing stroke 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 perpendicular to the poking rod, and the connecting rod is inserted into a poking hole on a front air supply pipeline and then in transmission fit with 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 structures of the first push rod and the second push rod are identical, 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 poking rod through the rotating shafts arranged on the first push rod and the second push rod.
The toggle rod comprises a connecting rod, a first toggle rod, a second toggle rod and a toggle rod spring, one end of the connecting rod is fixedly connected with the bottom end of the first toggle rod, the bottom end of the second toggle rod is in insertion fit with the top end of the first toggle rod, the toggle rod spring is arranged between the first toggle rod and the second toggle rod, and the first toggle rod is in elastic fit with the second toggle rod through the toggle rod spring.
The one end that middle pipeline kept away from disturbance module is fixed to be provided with the convergent spout, the convergent spout is hollow taper pipe structure, the diameter that the convergent spout is close to preceding air supply pipeline one end is greater than the diameter that keeps away from and is close to preceding air supply pipeline one end.
Compared with the prior art, the application has the beneficial effects that:
1. in the rapid response type fan, a disturbance module is of a tubular structure with adjustable diameter, a front air supply pipeline, a 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, at the moment, uniform columnar air flow output by the front air supply pipeline is provided with an elastic film between the front air supply pipeline and the rear air supply pipeline, when the diameter of the disturbance module is rapidly reduced, the elastic film is pressed by the disturbance module, the diameter of the elastic film is synchronously and rapidly reduced, at the moment, air flow flowing through the disturbance module is accelerated to become a slender high-speed air flow column, the slender high-speed air flow column axially disturbed the air flow which is not accelerated in the front air supply pipeline, so that the middle part of the air flow is curled to generate vortex rings, and when the diameter of the disturbance module is increased, the elastic film is subjected to self-elastic action diameter recovery, so that the next vortex rings can be prepared to be generated, and the elastic film recovery and the disturbance module are synchronous, so that the vortex rings can be continuously generated continuously. Therefore, the elastic film can be driven to work through the disturbance module, the vortex ring can be produced rapidly, the response speed of the vortex ring is effectively improved, and meanwhile, the vortex ring can be continuously produced.
2. In the quick response fan, the disturbance module comprises a driving motor, a first snail wheel and a second snail wheel, when the driving motor works, the first snail wheel and the second snail wheel rotate to drive the first push rod and the second push rod to be far away from the first snail wheel and the second snail wheel, the first push rod and the second push rod are in transmission fit with the poking rod to drive the front air supply pipeline to be synchronously far away from the rear air supply pipeline, at the moment, the diameter of the disturbance module is slowly increased, when the first snail wheel and the second snail wheel continue to rotate, the first push rod and the second push rod are under the action of springs to be close to the first snail wheel and the second snail wheel, and simultaneously, the front air supply pipeline is driven to be synchronously close to the rear air supply pipeline, at the moment, the diameter of the disturbance module is reduced, and when the driving motor rotates for one circle, the rotating speed of the driving motor can be controlled to control the generation speed of vortex. Therefore, the design can control the disturbance module to generate vortex through the driving motor, so that the vortex generation frequency is effectively improved, and meanwhile, the generation speed of the vortex can be controlled through controlling the rotation speed of the driving motor.
3. In the quick response fan, the disturbance module comprises a plurality of disturbance plates which are uniformly arranged along the outer circumference of the elastic film, so that when the diameter of the disturbance module is reduced, the elastic film is uniformly stressed, 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 a limiting block is respectively arranged on the hinges at the two ends of the second hinge plate, so that the disturbance plates only bend inwards to squeeze the elastic film and cannot bend outwards. Therefore, the design can avoid the vortex ring failure caused by outward bending of the disturbance plate through the limiting block.
4. In the quick response type fan, the tapered nozzle is fixedly arranged at one end of the middle pipeline far away from the disturbance module, the diameter of one end of the tapered nozzle close to the front air supply pipeline is larger than that of one end far away from the front air supply pipeline, when air passes through the tapered nozzle, the air flow can accelerate due to air pressure drop, and meanwhile, the tapered nozzle can enable the sprayed air to have good guidance. Therefore, the design can accelerate the flow speed of the accelerated airflow through the tapered nozzle, effectively increases the propagation distance of the airflow, and simultaneously ensures that the air has good guiding property.
5. In the quick response fan, the connecting surface between the largest diameter position and the smallest 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 smallest diameter position after moving to the largest diameter position of the side surfaces of the snail wheels, the disturbance plate can be quickly bent or restored, and further the quick winding and restoring of the elastic film can be realized. Therefore, the design can enable the elastic film to rapidly rotate and recover through the snail wheel, and the vortex ring effect is enhanced.
Drawings
Fig. 1 is a schematic structural view of the present application.
Fig. 2 is an exploded view of the present application.
FIG. 3 is a schematic diagram of the perturbation module of FIG. 1.
Fig. 4 is a schematic structural view of the front air supply duct in 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 pipe in fig. 1.
Fig. 7 is a schematic view of the driving mechanism in fig. 1.
Fig. 8 is a schematic view of the first push rod of fig. 7.
In the figure: the front air supply duct 1, the first air supply duct 11, the front hinge ring 12, the front connection pipe 13, the first hinge seat 14, the toggle hole 15, the toggle module 2, the toggle plate 21, the first toggle plate 22, the second toggle plate 23, the third hinge plate 24, the stopper 25, the front end 26, the rear end 27, the rear air supply duct 3, the second air supply duct 31, the rear hinge ring 32, the rear connection pipe 33, the second hinge seat 34, the axial fan 4, the elastic membrane 5, the driving mechanism 6, the driving motor 61, the first bevel gear 62, the second bevel gear 63, the driving shaft 64, the first worm wheel 65, the second worm wheel 66, the first push rod 67, the rotation shaft 671, the second push rod 68, the toggle rod 69, the connection rod 691, the first toggle rod 692, the second toggle rod 693, the toggle rod spring 694, the push rod spring 70, the intermediate duct 7, the first duct housing 71, the second duct housing 72, the first push rod rail 73, the second push rod rail 74, the driving shaft positioning hole 75, the spring fixing block 76, the end plate 77, the through hole 78, and the nozzle 8.
Description of the embodiments
The present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 8, a quick response fan, the fan comprising: 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 the tubular structure with adjustable diameter, preceding air supply pipeline 1, disturbance module 2 and back air supply pipeline 3 are connected end to end in proper order and are formed the straight tube structure, the one end that disturbance module 2 was kept away from to back air supply pipeline 3 is fixed to be provided with axial fan 4, the air-out direction of axial fan 4 just sets up in the inside of back air supply pipeline 3, elastic membrane 5 sets up between preceding air supply pipeline 1 and back air supply pipeline 3, the one end and the tip fixed connection of preceding air supply pipeline 1 of elastic membrane 5, the other end of elastic membrane 5 pass the tip fixed connection of disturbance module 2 back and back air supply pipeline 3, the inner wall and the elastic membrane 5 transmission cooperation of disturbance module 2.
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, each disturbance plate 21 comprises a first hinge plate 22, a second hinge plate 23 and a third hinge plate 24, the first hinge plates 22, the second hinge plates 23 and the third hinge plates 24 are sequentially connected end to end, a limiting block 25 is respectively arranged on the hinges at two ends of the second hinge plates 23, and each limiting block 25 is arranged on one side, close to the inner cavity of the disturbance module 2, of each hinge.
The front air supply pipeline 1 comprises a first air supply pipeline 11, a front hinge ring 12 and a front connecting pipe 13, the first air supply pipeline 11, the front hinge ring 12 and the front connecting pipe 13 are coaxially arranged, an opening on one side of the front hinge 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 hinge ring 12 is fixedly connected with the end part of the front connecting pipe 13, the inner cavities of the first air supply pipeline 11, the front hinge ring 12 and the front connecting pipe 13 are mutually communicated, a plurality of first hinge seats 14 are uniformly and fixedly arranged on the outer circumference of the front hinge ring 12, the number of the first hinge seats 14 arranged on the front hinge ring 12 is the same as that of the disturbance plates 21 in the disturbance module 2, the hinge shafts of the plurality of first hinge seats 14 are arranged along the tangential direction of the front hinge ring 12, and each first hinge seat 14 is hinged with the front end 26 of one disturbance plate 21 through the hinge shaft arranged on the first hinge seat.
The rear air supply pipeline 3 comprises a second air supply pipeline 31, a rear hinge ring 32 and a rear connecting pipe 33, the second air supply pipeline 31, the rear hinge ring 32 and the rear connecting pipe 33 are coaxially arranged, an opening on one side of the rear hinge 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 hinge ring 32 is fixedly connected with the end part of the rear connecting pipe 33, the inner cavities of the second air supply pipeline 31, the rear hinge ring 32 and the rear connecting pipe 33 are mutually communicated, a plurality of second hinge seats 34 are uniformly arranged on the outer circumference of the rear hinge ring 32, the number of the second hinge seats 34 arranged on the rear hinge ring 32 is the same as the number of the disturbance plates 21 in the disturbance module 2, and the hinge shafts of the second hinge seats 34 are arranged along the tangential direction of the rear hinge ring 32, and each second hinge seat 34 is hinged with the rear end 27 of one disturbance plate 21 through the hinge shaft arranged on the second hinge 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 of 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 plane sides of the second pipeline shell 72 are buckled with each other, two ends of the pipeline structure formed by buckling the first pipeline shell 71 and the second pipeline shell 72 are respectively sealed through end plates 77, through holes 78 are formed in the middle parts of the two end plates 77, the two through holes 78 are in clearance fit with the side walls of the front air supply pipeline 1, and the front air supply pipeline 1 is in insertion fit with the through holes 78.
The inner wall of the first pipeline shell 71 is also fixedly provided with a track seat, the track seat is provided with a first push rod track 73, a second push rod track 74 and a driving shaft positioning hole 75, the distance between the first push rod track 73 and the inner wall of the first pipeline shell 71 is greater than the distance between the second push rod track 74 and the inner wall of the first pipeline shell 71, and the end plate on one side of the middle pipeline 7 is also fixedly provided with two spring fixing blocks 76.
The fan also 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 snail wheel 65, a second snail wheel 66, a first push rod 67, a second push rod 68 and a toggle 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 perpendicular to the second bevel gear 63, the second bevel gear 63 is fixedly connected with the first snail wheel 65 and the second snail wheel 66 through a driving shaft 64, 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 driving shaft positioning hole 75 and then is rotationally matched with the driving shaft positioning hole 75, the first worm gear 65 and the second worm gear 66 are coaxially arranged, the connecting surface between the largest diameter position and the smallest diameter position of the side surfaces of the first worm gear 65 and the second worm gear 66 is positioned on the radius of the worm gear, the pushing stroke of the first worm gear 65 and the pushing stroke of the second worm gear 66 are not synchronous, 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 gear 65, the other end of the first push rod 67 is in transmission fit with the middle part of the toggle rod 69, one end of the second push rod 68 is in transmission fit with the side wall of the second worm gear 66, the other end of the second push rod 68 is in transmission fit with the top of the toggle rod 69, the bottom of the toggle rod 69 is provided with a connecting rod 691, the connecting rod 691 is perpendicular to the toggle rod 69, the connecting rod 691 is inserted into the poking hole 15 on the front air supply pipeline 1 and then is matched with the front air supply pipeline 1 in a transmission way.
The ends of the first push rod 67 and the second push rod 68 are fixedly provided with a push rod spring 70, the ends of the two push rod springs 70 are respectively connected with a spring fixing block 76, the structures of the first push rod 67 and the second push rod 68 are the same, one ends of the first push rod 67 and the second push rod 68 are provided with a rotating shaft 671, and the first push rod 67 and the second push rod 68 are in transmission fit with the toggle rod 69 through the rotating shaft 671 arranged on the first push rod 67 and the second push rod 68.
The toggle rod 69 comprises a connecting rod 691, a first toggle rod 692, a second toggle rod 693 and a toggle rod spring 694, one end of the connecting rod 691 is fixedly connected with the bottom end of the first toggle rod 692, the bottom end of the second toggle rod 693 is in insertion fit with the top end of the first toggle rod 692, the toggle rod spring 694 is arranged between the first toggle rod 692 and the second toggle rod 693, and the first toggle rod 692 is in elastic fit with the second toggle rod 693 through the toggle rod spring 694.
The one end that middle pipeline 7 kept away from disturbance module 2 is fixed to be provided with the convergent spout 8, convergent spout 8 is hollow taper pipe structure, the diameter that convergent spout 8 is close to preceding air supply pipeline 1 one end is greater than the diameter that keeps away from and is close to preceding air supply pipeline 1 one end.
The principle of the application is explained as follows:
the driving motor 61 in the present design is a stepping motor;
the first and second snail wheels 65, 66 in this design have the same structure, and a certain angle is formed between the convex parts of the first and second snail wheels 65, 66.
Examples
A quick response fan, the fan comprising: 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 of the rear air supply pipeline 3, which is far away from the disturbance module 2, 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, an 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 passes 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 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 a first hinge plate 22, a second hinge plate 23 and a third hinge plate 24, the first hinge plate 22, the second hinge plate 23 and the third hinge plate 24 are sequentially connected end to end, a limiting block 25 is respectively arranged on the hinges at two ends of the second hinge plate 23, and each limiting block 25 is arranged on one side of the hinge close to the inner cavity of the disturbance module 2; the front air supply pipeline 1 comprises a first air supply pipeline 11, a front hinge ring 12 and a front connecting pipe 13, wherein the first air supply pipeline 11, the front hinge ring 12 and the front connecting pipe 13 are coaxially arranged, an opening at one side of the front hinge ring 12 is fixedly connected with the end part of the first air supply pipeline 11, an opening at the other side of the front hinge ring 12 is fixedly connected with the end part of the front connecting pipe 13, the inner cavities of the first air supply pipeline 11, the front hinge ring 12 and the front connecting pipe 13 are mutually communicated, a plurality of first hinge seats 14 are uniformly and fixedly arranged on the outer circumference of the front hinge ring 12, the number of the first hinge seats 14 arranged on the front hinge ring 12 is the same as that of the disturbance plates 21 in the disturbance module 2, the hinge shafts of the plurality of first hinge seats 14 are arranged along the tangential direction of the front hinge ring 12, and each first hinge seat 14 is hinged with the front end 26 of one disturbance plate 21 through the hinge shaft arranged on the first hinge seat; the rear air supply pipeline 3 comprises a second air supply pipeline 31, a rear hinge ring 32 and a rear connecting pipe 33, the second air supply pipeline 31, the rear hinge ring 32 and the rear connecting pipe 33 are coaxially arranged, an opening at one side of the rear hinge ring 32 is fixedly connected with the end part of the second air supply pipeline 31, an opening at the other side of the rear hinge ring 32 is fixedly connected with the end part of the rear connecting pipe 33, the inner cavities of the second air supply pipeline 31, the rear hinge ring 32 and the rear connecting pipe 33 are mutually communicated, a plurality of second hinge seats 34 are uniformly arranged on the outer circumference of the rear hinge ring 32, the number of the second hinge seats 34 arranged on the rear hinge ring 32 is the same as that of the disturbance plates 21 in the disturbance module 2, and the hinge shafts of the plurality of second hinge seats 34 are arranged along the tangential direction of the rear hinge ring 32, and each second hinge seat 34 is hinged with the rear end 27 of one disturbance plate 21 through the hinge shaft arranged on the second hinge 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 of 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 plane sides of the second pipeline shell 72 are buckled with each other, two ends of the pipeline structure formed by buckling the first pipeline shell 71 and the second pipeline shell 72 are respectively sealed through an end plate 77, through holes 78 are formed in the middle parts of the two end plates 77, the two through holes 78 are in clearance fit with the side walls of the front air supply pipeline 1, and the front air supply pipeline 1 is in insertion fit with the through holes 78; the inner wall of the first pipeline shell 71 is also fixedly provided with a track seat, the track seat is provided with a first push rod track 73, a second push rod track 74 and a driving shaft positioning hole 75, the distance between the first push rod track 73 and the inner wall of the first pipeline shell 71 is larger than the distance between the second push rod track 74 and the inner wall of the first pipeline shell 71, and the end plate on one side of the middle pipeline 7 is also fixedly provided with two spring fixing blocks 76; the fan also 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 snail wheel 65, a second snail wheel 66, a first push rod 67, a second push rod 68 and a toggle 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 perpendicular to the second bevel gear 63, the second bevel gear 63 is fixedly connected with the first snail wheel 65 and the second snail wheel 66 through a driving shaft 64, 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 driving shaft positioning hole 75 and then is rotationally matched with the driving shaft positioning hole 75, the first worm gear 65 and the second worm gear 66 are coaxially arranged, the connecting surface between the largest diameter position and the smallest diameter position of the side surfaces of the first worm gear 65 and the second worm gear 66 is positioned on the radius of the worm gear, the pushing stroke of the first worm gear 65 and the pushing stroke of the second worm gear 66 are not synchronous, 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 gear 65, the other end of the first push rod 67 is in transmission fit with the middle part of the toggle rod 69, one end of the second push rod 68 is in transmission fit with the side wall of the second worm gear 66, the other end of the second push rod 68 is in transmission fit with the top of the toggle rod 69, the bottom of the toggle rod 69 is provided with a connecting rod 691, the connecting rod 691 is perpendicular to the toggle rod 69, the connecting rod 691 is inserted into the poking hole 15 on the front air supply pipeline 1 and then is matched with the front air supply pipeline 1 in a transmission way.
The design is in the use process:
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 the air outlet of the front air supply pipeline 1, at the moment, the front air supply pipeline 1 is blown out into a common cylindrical air flow, when vortex rings are required to be generated, the driving motor 61 starts to work, the 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 62, 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, 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 a straightened state from a bent state, the inner diameter of the pipeline formed by the elastic film 5 is increased, when the driving motor 61 continues to rotate, as a certain included angle exists between the first snail wheel 65 and the second snail wheel 66, the first push rod 67 is earlier than the second push rod 68 to reach the highest point of the corresponding snail wheel, at this time, the first push rod 67 falls into the lowest point of the first snail wheel 65 through the curved surface fault of the first snail wheel 65, the toggle rod 69 starts to rotate by taking the joint of the second toggle 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 disturbance plate 21 in the disturbance module 2 bends inwards, each disturbance plate 21 drives the elastic film 5 to bend from the straightened state, the inner diameter of the pipe formed by the elastic film 5 is rapidly reduced, so that the air flow flowing through the pipe is accelerated to become an elongated high-speed air flow column, the elongated high-speed air flow column generates axial disturbance to the un-accelerated air flow in the front air supply pipe 1, the air flow is curled to generate a vortex ring, when the vortex ring is generated, the driving motor 61 continues to rotate, at the moment, the diameter change of the contact point of the first push rod 67 and the first snail wheel 65 is smaller, the first push rod 67 keeps still, the second snail wheel 66 continues to rotate until the second push rod 68 reaches the highest point of the second snail wheel 66, at the moment, the second push rod 68 falls into the lowest point of the second snail wheel 66 through the curved surface fault of the second snail wheel 66, and the toggle rod 69 starts to rotate by taking the connecting position of the first deflector 692 and the rotating shaft 671 as the center, so that the connecting rod 691 drives the front air supply pipe 1 to move away from the rear air supply pipe 3, and the system returns to the initial position.
Examples
Example 2 is substantially the same as example 1 except that:
the ends of the first push rod 67 and the second push rod 68 are fixedly provided with a push rod spring 70, the ends of the two push rod springs 70 are respectively connected with a spring fixing block 76, the structures of the first push rod 67 and the second push rod 68 are the same, one ends of the first push rod 67 and the second push rod 68 are provided with a rotating shaft 671, and the first push rod 67 and the second push rod 68 are in transmission fit with the toggle rod 69 through the rotating shaft 671 arranged on the first push rod 67 and the second push rod 68; the toggle rod 69 comprises a connecting rod 691, a first toggle rod 692, a second toggle rod 693 and a toggle rod spring 694, one end of the connecting rod 691 is fixedly connected with the bottom end of the first toggle rod 692, the bottom end of the second toggle rod 693 is in insertion fit with the top end of the first toggle rod 692, the toggle rod spring 694 is arranged between the first toggle rod 692 and the second toggle rod 693, and the first toggle rod 692 is in elastic fit with the second toggle rod 693 through the toggle rod spring 694.
The design is in the use process:
the push rod spring 70 continuously receives the pressures of the corresponding first push rod 67 and second push rod 68 and the middle pipeline 7, and at this time, the elastic force of the push rod spring 70 pushes the first push rod 67 and second push rod 68 towards the driving mechanism 6, so that the first push rod 67 and the second push rod 68 continuously press the side walls of the first snail wheel 65 and the second snail wheel 66.
Examples
Example 3 is substantially the same as example 2 except that:
the one end that middle pipeline 7 kept away from disturbance module 2 is fixed to be provided with the convergent spout 8, convergent spout 8 is hollow taper pipe structure, the diameter that convergent spout 8 is close to preceding air supply pipeline 1 one end is greater than the diameter that keeps away from and is close to preceding air supply pipeline 1 one end.
The above description is merely of preferred embodiments of the present application, and the scope of the present application is not limited to the above embodiments, but all equivalent modifications or variations according to the present disclosure will be within the scope of the claims.
Claims (6)
1. A rapid-response fan, characterized by:
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);
the device is characterized in that 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 of the rear air supply pipeline (3) away from the disturbance module (2) is fixedly provided with an axial flow fan (4), the air outlet direction of the axial flow fan (4) is right 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), and 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 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 a first hinge plate (22), a second hinge plate (23) and a third hinge plate (24), the first hinge plate (22), the second hinge plate (23) and the third hinge plate (24) are sequentially connected end to end, a limiting block (25) is respectively arranged on the hinges at two ends of the second hinge plate (23), and each limiting block (25) is arranged on one side, close to the inner cavity of the disturbance module (2), of the hinge;
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 of 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 plane sides of the second pipeline shell (72) are buckled with each other, two ends of the pipeline structure formed by buckling the first pipeline shell (71) and the second pipeline shell (72) are respectively sealed through an end plate (77), the middle parts of the two end plates (77) are provided with a through hole (78), 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 holes (78);
the inner wall of the first pipeline shell (71) is also fixedly provided with a track seat, the track seat is provided with a first push rod track (73), a second push rod track (74) and a driving shaft positioning hole (75), the distance between the first push rod track (73) and the inner wall of the first pipeline shell (71) is larger than the distance between the second push rod track (74) and the inner wall of the first pipeline shell (71), and the end plate on one side of the middle pipeline (7) is also fixedly provided with two spring fixing blocks (76);
the fan also 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 snail wheel (65), a second snail wheel (66), a first push rod (67), a second push rod (68) and a toggle 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 perpendicular to the second bevel gear (63), the second bevel gear (63) is fixedly connected with the first snail wheel (65) and the second snail wheel (66) through a driving shaft (64), 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 driving shaft positioning hole (75) and then is meshed with the second bevel gear (63), the second bevel gear (63) is coaxially connected with the first snail wheel (65) and the second snail wheel (66) through a driving shaft (64) and the first snail wheel (65) and the second snail wheel (66) with the first snail wheel (65) with the second snail wheel with the first snail wheel with the second snail (with the second snail gear with the second (with the first snail on the first with the second snail on. The pushing stroke of the first snail wheel (65) is asynchronous with the pushing stroke of the second snail wheel (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 snail wheel (65), the other end of the first push rod (67) is in transmission fit with the top of the poking rod (69), one end of the second push rod (68) is in transmission fit with the side wall of the second snail wheel (66), the other end of the second push rod (68) is in transmission fit with the middle of the poking rod (69), a connecting rod (691) is arranged at the bottom of the poking rod (69), the connecting rod (691) is perpendicular to the poking rod (69), and the connecting rod (691) is inserted into a poking hole (15) on the front air supply pipeline (1) and then in transmission fit with the front air supply pipeline (1).
2. A quick response fan as set forth in claim 1, wherein:
the utility model provides a preceding air supply pipeline (1) is including first air supply pipeline (11), preceding articulated ring (12) and preceding connecting pipe (13), the coaxial setting of preceding connecting pipe (13) of first air supply pipeline (11), preceding articulated ring (12), the opening of preceding articulated ring (12) one side and the tip fixed connection of first air supply pipeline (11), the opening of preceding articulated ring (12) opposite side and the tip fixed connection of preceding connecting pipe (13), the inner chamber intercommunication of preceding connecting pipe (13) is articulated ring (12) in first air supply pipeline (11), preceding articulated ring (12), evenly be provided with a plurality of first articulated seat (14) on the outer circumference of preceding articulated ring (12), the quantity of the first articulated seat (14) that set up in preceding articulated ring (12) is the same with the quantity of disturbance board (21) in disturbance module (2), the tangential setting of articulated shaft along preceding articulated ring (12) of a plurality of first articulated seat (14), each first articulated seat (14) all through articulated shaft and the front end (26) of a disturbance board (21) that set up on it.
3. A quick response fan as set forth in claim 2, wherein:
the utility model provides a back air supply pipeline (3) is including second air supply pipeline (31), back articulated ring (32) and back connecting pipe (33), second air supply pipeline (31), back articulated ring (32) and back connecting pipe (33) coaxial setting, the opening of back articulated ring (32) one side and the tip fixed connection of second air supply pipeline (31), the opening of back articulated ring (32) opposite side and the tip fixed connection of back connecting pipe (33), the inner chamber intercommunication of second air supply pipeline (31), back articulated ring (32) and back connecting pipe (33), evenly be provided with a plurality of second articulated seat (34) on the outer circumference of back articulated ring (32), the quantity of second articulated seat (34) that set up in back articulated ring (32) is the same with the quantity of disturbance board (21) in disturbance module (2), the articulated shaft of a plurality of second articulated seat (34) sets up along the tangential of back articulated ring (32), and each second articulated seat (34) all articulates with the rear end (27) of a disturbance board (21) through the articulated shaft that sets up on it.
4. A quick response fan as claimed in claim 3, 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 structures of the first push rod (67) and the second push rod (68) are the same, one ends of the first push rod (67) and the second push rod (68) are provided with rotating shafts (671), and the first push rod (67) and the second push rod (68) are in transmission fit with a poking rod (69) through the rotating shafts (671) arranged on the first push rod and the second push rod.
5. The quick response fan of claim 4, wherein:
the toggle rod (69) comprises a connecting rod (691), a first toggle rod (692), a second toggle rod (693) and a toggle rod spring (694), one end of the connecting rod (691) is fixedly connected with the bottom end of the first toggle rod (692), the bottom end of the second toggle rod (693) is in insertion fit with the top end of the first toggle rod (692), the toggle rod spring (694) is arranged between the first toggle rod (692) and the second toggle rod (693), and the first toggle rod (692) is in elastic fit with the second toggle rod (693) through the toggle rod spring (694).
6. A quick response fan as described in claim 5, wherein:
the one end that disturbance module (2) was kept away from to intermediate pipeline (7) is fixed to be provided with convergent spout (8), convergent spout (8) are hollow taper pipe structure, the diameter that convergent spout (8) was close to preceding air supply pipeline (1) one end is greater than the diameter that is kept away from and is close to preceding air supply pipeline (1) one end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211687099.8A CN115853830B (en) | 2022-12-27 | 2022-12-27 | Quick response type fan |
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| CN202211687099.8A CN115853830B (en) | 2022-12-27 | 2022-12-27 | Quick response type fan |
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| CN115853830B true CN115853830B (en) | 2023-09-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117685252A (en) * | 2023-12-18 | 2024-03-12 | 武汉理工大学 | Adjustable air supply device |
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| AU2007252223B2 (en) * | 2006-05-24 | 2009-04-23 | Resmed Motor Technologies Inc. | Compact low noise efficient blower for CPAP devices |
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