CN220396088U - Impeller and two-way impeller fan - Google Patents

Abstract

The utility model discloses an impeller and a bidirectional impeller fan, wherein the impeller comprises: a leaf disc; the air outlet part comprises a blade, a bearing seat and a regulator, wherein the blade is connected with a connecting shaft, the bearing seat is connected to the top side of the impeller, the connecting shaft is mutually matched and connected with the bearing seat, the regulator is connected between the impeller and the connecting shaft, the regulator can rotationally regulate the connecting shaft, and the air outlet part surrounds the center of the impeller and is uniformly arranged with a plurality of blades.

Description

Impeller and two-way impeller fan

Technical Field

The utility model relates to a fan, in particular to an impeller and a bidirectional impeller fan.

Background

The impeller is driven to rotate by the rotating driving source so as to realize the outward wind. The impeller can produce noise when rotating, when using, need accord with the requirement of noise, for example be applied to the impeller in the cooling tower, during daytime work, because ambient noise is great, can suitably improve the impeller rotational speed in order to increase the amount of wind, the produced noise of impeller is also great this moment, but during night work, because ambient noise is less, need reduce the impeller rotational speed in order to reduce noise this moment, but because the structure of impeller is fixed, the produced amount of wind of impeller is lower after the rotational speed reduces, can't satisfy the operation requirement, therefore, the impeller structural mode at present is single, can not adapt to different amount of wind operation requirements and noise requirement at the during operation.

Disclosure of Invention

The present utility model is directed to an impeller and a bi-directional impeller fan that address one or more of the problems associated with the prior art, and at least provide a beneficial choice or creation.

The utility model solves the technical problems as follows:

an impeller, comprising: a leaf disc; the air-out portion, it includes blade, bearing frame and regulator, be connected with the connecting axle on the blade, the bearing frame connect in the top side of impeller, the connecting axle with the bearing frame is mutually supported and is connected, the regulator connect in the impeller with between the connecting axle, the rotatable regulation of regulator the connecting axle, the air-out portion encircles the impeller center evenly has a plurality ofly.

The technical scheme has at least the following beneficial effects: when the blade disc is driven to rotate at a normal rotating speed, blades in a plurality of air outlet parts which are arranged in a surrounding mode on the top side of the blade disc rotate along with the rotation of the blade disc, so that the air outlet is realized, when the blade disc is driven to rotate at a slower rotating speed, the connecting shaft can be rotationally regulated by the regulator, so that the connecting shaft drives the blades to rotate, at the moment, the included angle between the blades and the horizontal plane can be regulated to be larger so as to compensate the air quantity, the air quantity can be better enabled to meet the use requirement while the noise is reduced, when the speed of the blade disc is accelerated again, the regulator drives the regulating shaft to rotate reversely, so that the included angle between the blades and the horizontal plane is reduced, and therefore, the air outlet effect is realized when the blades rotate, therefore, the air conditioner can rotate the blades at different rotating speeds to regulate the angle, thereby better meeting the use requirement of the air quantity while meeting the environment-friendly noise requirement, and has higher use flexibility and stronger practicability.

As a further improvement of the technical scheme, the regulator comprises a spring and a sliding block, the bearing seats are arranged at intervals in the radial direction of the leaf disc, the connecting shafts are connected with the two bearing seats in a mutually matched mode, the sliding block and the spring are sleeved at positions, located between the two bearing seats, on the connecting shafts, the sliding block is slidably connected onto the leaf disc, the sliding block can slide along the axial direction of the connecting shafts, one end of the spring abuts against the bearing seat, located on one side away from the center of the leaf disc, the other end of the spring abuts against the sliding block, guide grooves which extend around the connecting shafts are formed in the sliding block, the guide grooves are formed in the two sides of the length extending direction of the connecting shafts in a guide inclined plane, the inclined directions of the two guide inclined planes are opposite, guide columns are connected to the two sides of the connecting shafts, the two guide columns abut against the two guide inclined planes respectively, and the spring has the trend of pressing the sliding block towards the center of the leaf disc and enables the included angle between the leaf disc and the horizontal plane to be small. When the impeller is driven to rotate, under the normal rotating state, the sliding block in the air outlet part slides towards the bearing seat positioned at one side far away from the center of the impeller under the action of centrifugal force, at this time, the spring between the sliding block and the bearing seat is compressed, when the rotating speed of the impeller is reduced, the centrifugal force of the sliding block is reduced, the elastic force of the spring pushes the sliding block towards the center of the impeller, so that the sliding block moves close to the center of the impeller along the connecting shaft, as the two guide inclined planes of the length extending direction of the connecting shaft incline upwards in opposite directions, namely, one guide inclined plane inclines upwards in the direction close to the center of the impeller, the other guide inclined plane inclines upwards in the direction far away from the center of the impeller, at this time, one guide inclined plane in the guide groove on the sliding block can rotate and guide the guide column outside the connecting shaft along the direction close to the center of the impeller, so that the included angle between the blades and the horizontal plane becomes larger, the air quantity can be increased, thereby realizing air quantity compensation, and when the rotating speed of the impeller is accelerated again, the centrifugal force of the sliding block is greater than the elastic force of the spring, the sliding block slides along the connecting shaft along the direction far away from the center of the impeller, the slider slides along the direction of the connecting shaft, the inclined plane can be adjusted to the blade in the direction far away from the center of the impeller, and the blade can be adjusted to the outside automatically, and the rotating direction of the blade can be adjusted to the blade in the direction of the blade outside in the direction of the impeller in the direction far away from the center of the blade in the blade from the center of the impeller, and the blade can be adjusted.

As a further improvement of the technical scheme, the bearing seat comprises a U-shaped bolt, a protective shell and a bearing, wherein the bearing is connected in the protective shell, the connecting shaft is connected with the bearing in a matched mode, the U-shaped bolt is connected to the leaf disc, the U-shaped bolt tightly presses the protective shell to the leaf disc, and the end portion of the spring abuts against the outer side of the protective shell. The protection shell can surround the protection to the outside of bearing, install the bearing in the protection shell, radially offer the hole site along the leaf dish on the protection shell for the connecting axle passes, the connecting axle passes the protection shell and with the bearing interconnect in the protection shell, and the protection shell is located U-shaped bolt's inside, U-shaped bolt is when connecting in the leaf dish, can press the protection shell to fasten in the leaf dish on, in addition, the spring is when supporting in the bearing frame, the tip of spring contacts each other with the outside of protection shell, so can avoid the tip of spring to support to press the ball of bearing or the phenomenon that causes the damage bearing on the position of inner circle, be favorable to improving overall structure stability.

As a further improvement of the technical scheme, a limiting groove extending around the connecting shaft is formed in the outer side of the protective shell, and the U-shaped bolt is clamped in the limiting groove. When the U-shaped bolt compresses tightly the protective housing in the leaf disc, utilize the spacing groove in the protective housing outside can make things convenient for U-shaped bolt quick fit to connect in the protective housing, can improve the convenience when fixing the protective housing installation to the U-shaped bolt is difficult to skidding between the two when exerting pressure to the protective housing, can improve overall connection structure's stability better.

As a further improvement of the technical scheme, a clamp is clamped on the outer side of the end part of the connecting shaft, which is close to the center of the leaf disc, and the clamp abuts against one side, which is close to the center of the leaf disc and is opposite to the center of the leaf disc, of the protective shell. The clamp is clamped on the connecting shaft, and the clamp abuts against one side, close to the center of the leaf disc, of the bearing seat, opposite to the center of the leaf disc, so that the stability of connection between the connecting shaft and the bearing seat inner bearing can be further improved, and the condition that the connecting shaft is easy to deviate from the bearing seat outwards when the centrifugal force of the blade is excessive is avoided.

The two-way impeller fan comprises a double-shaft motor, a transmission assembly and fan blades, wherein one output end of the double-shaft motor is connected with one fan blade, the other output end of the double-shaft motor is connected with the other fan blade through the transmission assembly, the rotation directions of the two fan blades are opposite, and at least one fan blade is the impeller.

The technical scheme has at least the following beneficial effects: the two output ends of the double-shaft motor can respectively drive two fan blades to rotate, specifically, one output end of the double-shaft motor drives the other fan blade to rotate through the transmission component, the fan blade can be enabled to rotate positively, one output end of the double-shaft motor is directly connected with one fan blade, the fan blade can be driven to rotate reversely, when the double-shaft motor works, the reverse fan blade rotates and blows air to the forward fan blade, at the moment, the forward fan blade enters into the air flow in the reverse direction, the circumferential flow of the air flow in the reverse direction generated when the double-shaft motor works can be offset with the circumferential flow of the air flow in the reverse direction, the circumferential flow of the forward air flow and the axial flow of the reverse air flow are overlapped with each other, the air output can be effectively improved, the generated vortex and turbulence can be reduced, vibration and noise of external equipment can be reduced, in addition, at least one fan blade is the impeller capable of rotating automatically to change the angle of the fan blade, the working noise can be further reduced, and the air quantity compensation can be carried out, and the working performance of the whole machine is improved.

As a further improvement of the technical scheme, the two fan blades are both the impellers. The forward rotating fan blade and the reverse rotating fan blade are both impellers capable of automatically rotating to change the angle of the fan blade, and the two impellers can flexibly change the state of the fan blade, so that noise is controlled and the air output is ensured.

As a further improvement of the technical scheme, the transmission assembly comprises a transmission box, a first conical tooth, a second conical tooth and a third conical tooth, wherein the transmission box is connected to the double-shaft motor, one output end of the double-shaft motor is connected with the first conical tooth and stretches into the transmission box, the center of the leaf disc is connected with a transmission shaft, the transmission shaft is rotationally connected to the top side of the transmission box and connected with the second conical tooth, one side of the transmission box is rotationally connected with a toothed shaft, the toothed shaft is connected with the third conical tooth, and the third conical tooth is mutually meshed with the first conical tooth and the second conical tooth. The transmission case is connected to the top of biax motor, biax motor is located the output on top and stretches into in the transmission case, and connect first awl tooth, and rotate in one side of transmission case and be connected with the tooth axle, the tooth axle stretches into in the transmission case equally, the tooth axle is connected with the third awl tooth, first awl tooth can mesh in the bottom side of third awl tooth, and be connected with the transmission shaft at the impeller center, the transmission shaft stretches into in the transmission case downwards and rotates to connect in the top of transmission case, be connected with the second awl tooth on the transmission shaft, the second awl tooth meshes in the top of third awl tooth, so the power that biax motor output provided can pass through first awl tooth and transmit to the second awl tooth, the second awl tooth passes through the transmission shaft and drives the impeller rotation, thereby realize wind, so can change the power direction of two output outwards of biax motor, make the direction of turning to two fan blades opposite.

As a further improvement of the above technical solution, one side of the transmission case is detachably connected with an access panel. When the inside maintenance of transmission case is needed, can dismantle the access panel, the inside structure such as being used for driven awl tooth of convenient this moment is maintained or is changed, improves the convenience of later maintenance.

As a further improvement of the above technical solution, the center of the bladed disk is connected with a shaft sleeve, and an output end of the biaxial motor is connected with the shaft sleeve. The blade disc is connected with a shaft sleeve which is matched and connected with the output end of the double-shaft motor, and the output end of the double-shaft motor can directly drive the blade disc to rotate.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the utility model, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

Fig. 1 is a perspective view of an impeller of the present utility model.

Fig. 2 is an enlarged partial schematic view of a of fig. 1.

Fig. 3 is a perspective view of the slider of the present utility model.

Fig. 4 is a front view of a bi-directional impeller fan of the present utility model.

In the accompanying drawings: 100-leaf disc, 210-leaf blade, 211-connecting shaft, 212-guide post, 220-bearing seat, 221-U-shaped bolt, 222-protective shell, 240-spring, 250-slider, 251-guide groove, 252-guide inclined plane, 260-clamp, 300-double-shaft motor, 410-transmission case, 420-first bevel gear, 430-second bevel gear and 440-third bevel gear.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, an impeller includes a bladed disk 100 and an air outlet portion, the air outlet portion includes a blade 210, a bearing seat 220 and a regulator, a connecting shaft 211 is connected to the blade 210, the bearing seat 220 is connected to the top side of the bladed disk 100, the connecting shaft 211 is mutually matched and connected with the bearing seat 220, the regulator is connected between the bladed disk 100 and the connecting shaft 211, the regulator can rotate and regulate the connecting shaft 211, and the air outlet portion is uniformly arranged with a plurality of air outlet portions around the center of the bladed disk 100, for example, six air outlet portions around the center of the bladed disk 100.

As can be seen from the above, when the bladed disk 100 is driven to rotate at a normal rotation speed, the blades 210 in the plurality of air outlet portions arranged around the top side of the bladed disk 100 rotate around the bladed disk 100, so as to realize the air outlet effect, when the bladed disk 100 is driven to rotate at a slower rotation speed, the regulator can rotate to adjust the connecting shaft 211, so that the connecting shaft 211 drives the blades 210 to rotate, at this time, the included angle between the blades 210 and the horizontal plane can be adjusted to be larger to compensate the air quantity, the air quantity can be better made to reach the use requirement while reducing the noise, when the speed of the bladed disk 100 is accelerated again, the regulator drives the adjusting shaft to rotate reversely, and the blades 210 are driven to rotate through the connecting shaft 211, so that the included angle between the blades 210 and the horizontal plane becomes smaller, so that the blades 210 achieve the good air outlet effect when rotating.

In the above embodiment, mainly, a technical solution is proposed, in which the inclination angle of the blade 210 is increased to compensate the air volume when the rotation speed is reduced, and the blade 210 itself is rotatably connected to the bearing seat 220 on the impeller 100 through the connecting shaft 211, and for how the connecting shaft 211 is rotated by the regulator, there are various structural forms, for example, the regulator may be a motor mounted on the impeller 100, gears are mounted on the output end of the motor and the connecting shaft 211, the motor may rotate the connecting shaft 211 to change the inclination angle of the blade 210 through the gear transmission of the two gears, and in order to reduce the driving source, as shown in fig. 2 and 3, in this embodiment, the regulator includes a spring 240 and a slider 250, the bearing seats 220 are arranged at two intervals along the radial direction of the impeller 100, the connecting shaft 211 is mutually matched and connected with the two bearing seats 220, the sliding block 250 and the spring 240 are both sleeved on the connecting shaft 211 and positioned between the two bearing blocks 220, the sliding block 250 is slidably connected to the leaf disc 100, a sliding rail can be arranged at the bottom side of the sliding block 250, a sliding groove extending along the radial direction is arranged at the top side of the leaf disc 100, the sliding block 250 and the leaf disc 100 are slidably connected through the mutual matching of the sliding rail and the sliding groove, the sliding block 250 can slide along the axial direction of the connecting shaft 211, one end of the spring 240 abuts against the bearing block 220 positioned at one side far away from the center of the leaf disc 100, the other end of the spring 240 abuts against the sliding block 250, a guide groove 251 extending around the connecting shaft 211 is arranged on the sliding block 250, both sides of the guide groove 251 along the length extending direction of the connecting shaft 211 are guide inclined planes 252, the two inclined directions of the guide inclined planes 252 are opposite, both sides of the connecting shaft 211 are connected with a guide post 212, the two guide posts 212 respectively abut against the two guide inclined surfaces 252, and the spring 240 has a tendency to press the slider 250 toward the center of the blisk 100, and makes the angle between the blade 210 and the horizontal plane smaller.

In the embodiment using the above-described regulator without the driving source, when the disk 100 is rotated, the slider 250 in the air outlet portion slides toward the bearing housing 220 located at the side away from the center of the disk 100 by the centrifugal force in the normal rotation state, at this time, the spring 240 between the slider 250 and the bearing housing 220 is compressed, and when the rotation speed of the disk 100 is lowered, the centrifugal force of the slider 250 becomes small, the spring force of the spring 240 pushes the slider 250 toward the center of the disk 100, so that the slider 250 moves closer to the center of the disk 100 along the connection shaft 211, since the two guide inclined surfaces 252 of the guide groove 251 extending along the length of the connection shaft 211 are inclined in opposite directions, that is, one guide inclined surface 252 is inclined upward in the direction closer to the center of the disk 100, the other guide inclined surface 252 is inclined upward in the direction away from the center of the disk 100, at this time, one guide slope 252 in the guide groove 251 on the slider 250, which is inclined upwards along the direction close to the center of the blisk 100, can rotationally guide the guide post 212 on the outer side of the connecting shaft 211, so that the included angle between the blade 210 and the horizontal plane becomes larger, the blade 210 with the enlarged inclined angle can increase the air-pulling amount, thereby realizing air-pulling amount compensation, and when the rotating speed of the blisk 100 is accelerated again, the centrifugal force of the slider 250 is larger than the elastic force of the spring 240, the slider 250 slides along the connecting shaft 211 along the direction far away from the center of the blisk 100, and during the sliding process of the slider 250, one guide slope 252 in the guide groove 251 of the slider 250, which is inclined upwards along the direction far away from the center of the blisk 100, can rotationally guide the guide post 212 connected on the outer side of the connecting shaft 211, thereby enabling the connecting shaft 211 to drive the blade 210 to gradually rotate to the included angle between the blade 210 and the horizontal plane become smaller, thereby being beneficial to increase the rotating speed of the blade 210, and realizing more optimal air-pulling, the regulator can automatically rotate and adjust the blades 210 according to the rotating speed of the impeller 100, has ingenious structure, can automatically change the states of the blades 210 of the impeller at different rotating speeds, thereby improving the air outlet effect and having stronger practicability.

The bearing seat 220 may use a structure with exposed bearing, at this time, when the spring 240 needs to prop against the bearing seat 220, the spring may directly prop against the seat body of the bearing seat 220, or prop against the outer ring structure of the bearing seat 220, and in order to avoid the spring 240 interfering with the ball and the inner ring of the bearing during vibration, in this embodiment, the bearing seat 220 includes a U-shaped bolt 221, a protection shell 222 and a bearing, the bearing is connected in the protection shell 222, the protection shell 222 may be provided with a channel penetrating along the radial direction of the leaf disc 100, so as to facilitate the connection shaft 211 to pass through the protection shell 222, the connection shaft 211 and the bearing are mutually matched and connected, the U-shaped bolt 221 is connected to the leaf disc 100, the U-shaped bolt 221 compresses the protection shell 222 on the leaf disc 100, and the ends of the spring 240 prop against the outer side of the protection shell 222. The protection shell 222 can surround the outside of the bearing, install the bearing in the protection shell 222, set up the hole site along the radial of leaf disc 100 on the protection shell 222 for connecting axle 211 to pass, connecting axle 211 passes the protection shell 222 and interconnect with the bearing in the protection shell 222, and the protection shell 222 is located the inside of U-shaped bolt 221, U-shaped bolt 221 can press the protection shell 222 to fasten on the leaf disc 100 when connecting in leaf disc 100, in addition, when the spring 240 is in the bearing frame 220 of propping against, the tip of spring 240 contacts each other with the outside of protection shell 222, so can avoid the tip of spring 240 to prop against the ball of bearing or the phenomenon that the inner circle caused damaging the bearing on the position, be favorable to improving overall structure stability.

The top side of protective housing 222 can be designed into the arc, conveniently laminates each other with the interior top side of U-shaped bolt 221, and both sides are straight decurrent lateral wall, and whole appearance is also the shape of falling the U-shaped, and the bottom side of protective housing 222 is planar shape, can conveniently laminate each other with the top surface of leaf disc 100, when using, can hug closely each other the inboard of U-shaped bolt 221 and protective housing 222, can make U-shaped bolt 221 firmly press fastening protective housing 222 in leaf disc 100, and further, the outside of protective housing 222 is provided with the encircleing the spacing groove that connecting axle 211 extends, U-shaped bolt 221 joint in the spacing groove. When the U-shaped bolt 221 compresses the protective housing 222 on the leaf disc 100, the U-shaped bolt 221 can be conveniently and rapidly matched and connected to the protective housing 222 by utilizing the limiting groove on the outer side of the protective housing 222, so that the convenience in mounting and fixing the protective housing 222 can be improved, and the U-shaped bolt 221 is not easy to slip when the U-shaped bolt 221 applies pressure to the protective housing 222, so that the stability of the whole connecting structure can be better improved.

In the above embodiment, the connecting shaft 211 is relatively fixed on the blisk 100 by being mutually matched with the two bearing blocks 220, and in order to further improve the stability of the connection of the connecting shaft 211, in this embodiment, the outer side of the end portion of the connecting shaft 211 near the center of the blisk 100 is clamped with the clamp 260, in practical application, a clamping groove is provided on the outer side of the connecting shaft 211, protruding from the outer side wall portion of the bearing block 220 near the center of the blisk 100, the clamping groove extends around the connecting shaft 211, and the clamp 260 can be stably clamped and fixed on the connecting shaft 211 by being mutually matched with the clamping groove, and the clamp 260 abuts against the side, on the protective shell 222 near the center of the blisk 100, facing the center of the blisk 100. The clip 260 is clamped on the connecting shaft 211, and abuts against one side of the protective housing 222 of the bearing seat 220 close to the center of the blisk 100, which is opposite to the center of the blisk 100, so that the stability of the connection between the connecting shaft 211 and the bearing in the bearing seat 220 can be further improved, and the situation that the connecting shaft 211 is easy to be separated from the bearing seat 220 outwards when the centrifugal force of the blade 210 is too large can be prevented.

As shown in fig. 4, a bidirectional impeller fan comprises a double-shaft motor 300, a transmission assembly and fan blades, wherein one output end of the double-shaft motor 300 is connected with one fan blade, the other output end of the double-shaft motor 300 is connected with the other fan blade through the transmission assembly, the rotation directions of the two fan blades are opposite, and at least one fan blade is the impeller.

In the bidirectional impeller fan, two output ends of the double-shaft motor 300 can respectively drive two fan blades to rotate, specifically, one output end of the double-shaft motor 300 drives the other fan blade to rotate through a transmission component, so that the fan blade can rotate positively, one output end of the double-shaft motor 300 is directly connected with one fan blade, the fan blade can be driven to rotate reversely, no matter the fan blade rotates positively or reversely, one part of air flow generated during the rotation of the fan blade flows circumferentially, the other part of air flow flows axially, in practical application, the air flow flowing axially can blow to an external structure and the inner wall of a fan shell, vortex is generated, and when the bidirectional impeller fan works, the reversed fan blade rotates and rotates positively, at the moment, the forward fan blade enters the air flow in the reversed direction, the circumferential flow of the air flow generated during the working can be mutually offset with the circumferential flow of the reversed air flow, the axial flow of the reversed air flow is mutually overlapped with the axial flow of the reversed air flow, the air flow of the air flow can be effectively improved, the generated vortex can be reduced, the noise of the fan blade can be further reduced, and the noise of the external device can be further reduced, and the noise of the device can be further rotated.

In the above embodiment, the impeller may be adopted by a forward rotating fan blade, or the impeller may be adopted by a reverse rotating fan blade, and in this embodiment, both the fan blades are the impellers. The forward rotating fan blade and the reverse rotating fan blade are both impellers capable of automatically rotating to change the angle of the fan blade 210, and the two impellers can flexibly change the state of the fan blade 210, so that noise control is realized and the air output is ensured.

The two output ends of the dual-shaft motor 300 output the same power direction, and in order to improve wind efficiency and reduce noise, one output end of the dual-shaft motor 300 is connected to the transmission assembly to change the direction of rotation output, therefore, the transmission assembly is mainly used for changing the direction of rotation, and various structural forms are provided, such as a gear is directly connected to the output end of the dual-shaft motor 300, and another output shaft is also connected with a gear, the two gears are meshed with each other, and the direction of rotation of the power output by the output shaft outwards is changed. In this embodiment, in order to make the rotation centers of the two bladed disks 100 be on the same straight line, the transmission assembly includes a transmission case 410, a first bevel gear 420, a second bevel gear 430 and a third bevel gear 440, the transmission case 410 is connected to the dual-shaft motor 300, one output end of the dual-shaft motor 300 is connected to the first bevel gear 420 and extends into the transmission case 410, the center of the bladed disk 100 is connected to a transmission shaft, the transmission shaft is rotatably connected to the top side of the transmission case 410 and is connected to the second bevel gear 430, one side of the transmission case 410 is rotatably connected to a gear shaft, the gear shaft is connected to the third bevel gear 440, and the third bevel gear 440 is meshed with the first bevel gear 420 and the second bevel gear 430. The transmission case 410 is connected to the top end of the dual-shaft motor 300, the output end of the dual-shaft motor 300 positioned at the top end extends into the transmission case 410 and is connected with the first conical tooth 420, a toothed shaft is rotatably connected to one side of the transmission case 410 and also extends into the transmission case 410, the toothed shaft is connected with the third conical tooth 440, the first conical tooth 420 can be meshed with the bottom side of the third conical tooth 440, the center of the impeller 100 of one impeller is connected with a transmission shaft, the transmission shaft extends downwards into the transmission case 410 and is rotatably connected to the top side of the transmission case 410, the transmission shaft is connected with the second conical tooth 430, the second conical tooth 430 is meshed with the top side of the third conical tooth 440, so that power provided by the output end of the dual-shaft motor 300 can be transmitted to the third conical tooth 440 through the first conical tooth 420, and then transmitted to the second conical tooth 430 through the third conical tooth 440, and the second conical tooth 430 drives the impeller 100 to rotate through the transmission shaft, thereby changing the power directions of the two output ends of the dual-shaft motor 300 outwards, and reversing directions of the two blades.

The transmission case 410 may be a cavity with a downward opening, which is directly connected to the end face of the dual-axis motor 300 to seal, and in order to facilitate the later maintenance of the internal structure, in this embodiment, an access panel is detachably connected to one side of the transmission case 410, for example, a hole may be formed on one side of the transmission case 410, and the access panel is connected to the transmission case 410 through a buckle, and when the access panel is connected to the transmission case 410, the access panel may cover and close the hole. When the inside of the transmission case 410 needs to be maintained, the access panel can be detached, and at this time, the structures such as the bevel gear and the like which are used for transmission in the inside are conveniently maintained or replaced, so that the convenience of later maintenance is improved.

In this embodiment, a shaft sleeve is connected to the center of the impeller disc 100, and an output end of the dual-shaft motor 300 is connected to the shaft sleeve. The impeller 100 is connected with a shaft sleeve which is matched and connected with the output end of the double-shaft motor 300, and the output end of the double-shaft motor 300 can directly drive the impeller 100 to rotate.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (9)

1. An impeller, characterized in that: comprising the following steps:

a blisk (100);

the air outlet part comprises a blade (210), a bearing seat (220) and a regulator, wherein the blade (210) is connected with a connecting shaft (211), the bearing seat (220) is connected to the top side of the blade disc (100), the connecting shaft (211) and the bearing seat (220) are mutually matched and connected, the regulator is connected between the blade disc (100) and the connecting shaft (211), the regulator can rotationally regulate the connecting shaft (211), the air outlet part surrounds the center of the blade disc (100) and is uniformly provided with a plurality of air outlet parts, the regulator comprises a spring (240) and a sliding block (250), the bearing seat (220) is provided with two air inlet ends along the radial interval of the blade disc (100), the connecting shaft (211) is mutually matched and connected with the two bearing seats (220), the sliding block (250) and the spring (240) are sleeved at positions between the two bearing seats (220) on the connecting shaft (211), the sliding block (250) is connected with the blade disc (100) in a sliding manner, the sliding block (250) is abutted against one end (240) of the sliding block (250) of the blade disc (100) along the axial direction, the sliding block (250) is abutted against one end (240) of the sliding block (240), the sliding block (250) is provided with a guide groove (251) which surrounds the connecting shaft (211), the guide groove (251) is provided with guide inclined planes (252) along the two sides of the length extending direction of the connecting shaft (211), the inclination directions of the two guide inclined planes (252) are opposite, the two sides of the connecting shaft (211) are connected with guide columns (212), the two guide columns (212) respectively prop against the two guide inclined planes (252), and the spring (240) has a trend of pressing the sliding block (250) to the center of the leaf disc (100) and enables an included angle between the leaf blade (210) and a horizontal plane to be reduced.

2. An impeller according to claim 1, wherein: the bearing seat (220) comprises a U-shaped bolt (221), a protective shell (222) and a bearing, wherein the bearing is connected in the protective shell (222), the connecting shaft (211) is mutually matched and connected with the bearing, the U-shaped bolt (221) is connected onto the leaf disc (100), the U-shaped bolt (221) tightly presses the protective shell (222) onto the leaf disc (100), and the end part of the spring (240) abuts against the outer side of the protective shell (222).

3. An impeller according to claim 2, wherein: the outside of protective housing (222) is provided with the round connecting axle (211) extension's spacing groove, U-shaped bolt (221) joint in the spacing groove.

4. An impeller according to claim 2, wherein: the connecting shaft (211) is clamped with a clamp (260) at the outer side of the end part, which is close to the center of the leaf disc (100), of the connecting shaft, and the clamp (260) is propped against one side, which is close to the center of the leaf disc (100), of the protective shell (222) which is close to the center of the leaf disc (100).

5. A bi-directional impeller fan, characterized in that: the motor comprises a double-shaft motor (300), a transmission assembly and fan blades, wherein one output end of the double-shaft motor (300) is connected with one fan blade, the other output end of the double-shaft motor (300) is connected with the other fan blade through the transmission assembly, the rotation directions of the two fan blades are opposite, and at least one fan blade is an impeller as claimed in any one of claims 1 to 4.

6. The bi-directional impeller fan according to claim 5 wherein: both the fan blades are the impellers.

7. The bi-directional impeller fan according to claim 5 wherein: the transmission assembly comprises a transmission case (410), a first conical tooth (420), a second conical tooth (430) and a third conical tooth (440), wherein the transmission case (410) is connected to the double-shaft motor (300), one output end of the double-shaft motor (300) is connected with the first conical tooth (420) and stretches into the transmission case (410), the center of the leaf disc (100) is connected with a transmission shaft, the transmission shaft is rotationally connected to the top side of the transmission case (410) and connected with the second conical tooth (430), one side of the transmission case (410) is rotationally connected with a toothed shaft, the toothed shaft is connected with the third conical tooth (440), and the third conical tooth (440) is mutually meshed with the first conical tooth (420) and the second conical tooth (430).

8. The bi-directional impeller fan according to claim 7 wherein: an access panel is detachably connected to one side of the transmission case (410).

9. The bi-directional impeller fan according to claim 5 wherein: the center of the leaf disc (100) is connected with a shaft sleeve, and one output end of the double-shaft motor (300) is connected with the shaft sleeve.