CN215170919U - Fan assembly and air duct machine - Google Patents

Abstract

The utility model discloses a fan assembly and a duct type air conditioner, which relates to the technical field of air conditioning equipment, wherein the fan assembly comprises a motor, a fan and a protective device, the motor is provided with a motor shaft, the fan comprises a wind wheel and a volute, the wind wheel is fixedly connected with the motor shaft and is arranged in the volute, and at least one end of the volute along the axial direction of the motor shaft is provided with a wind port; one end of the protective device along the axial direction of the motor shaft is inserted into the wind wheel, and the other end of the protective device penetrates through the air opening and is supported on the volute. The utility model discloses a set up protector and make and form stable connection between wind wheel and the spiral case, restricted the removal of wind wheel for the motor shaft to support the wind wheel through the spiral case, thereby reduced the vibration at the in-process wind wheel of transportation or transport, and then avoided the motor shaft to take place to warp or damage, improved the stability of fan subassembly when the operation.

Description

Fan assembly and air duct machine

Technical Field

The utility model relates to an air conditioning equipment technical field, in particular to fan subassembly and tuber pipe machine.

Background

In the related art, a fan assembly generally adopts a centrifugal fan to realize air supply, the centrifugal fan is driven by a motor, and a wind wheel of the centrifugal fan is suspended and installed at one end of a motor shaft. In the process of transportation or carrying, the vibration of the wind wheel easily causes the motor shaft to deform or damage, and further causes the fan assembly to vibrate and increase or generate abnormal sound during operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fan subassembly adopts protector to support the wind wheel, reduces the vibration of wind wheel, avoids the motor shaft to take place to warp or damage.

The utility model discloses still provide a tuber pipe machine of having above-mentioned fan subassembly.

According to the utility model discloses fan subassembly of first aspect embodiment, include: the motor is provided with a motor shaft; the fan comprises a wind wheel and a volute, the wind wheel is fixedly connected with the motor shaft and is arranged in the volute, and at least one end of the volute in the axial direction of the motor shaft is provided with an air opening; and the protective device is inserted into the wind wheel along one axial end of the motor shaft, and the other end of the protective device penetrates through the air opening and is supported on the volute.

According to the utility model discloses fan subassembly has following beneficial effect at least:

through setting up protector, protector installs in the fan along the axial at least one end of motor shaft, protector's one end is pegged graft in the wind wheel, the wind gap that the other end passes through the spiral case of fan supports in the spiral case, form stable connection between wind wheel and the spiral case, the removal of wind wheel for the motor shaft has been restricted, and support the wind wheel through the spiral case, thereby the vibration and the wind wheel of in-process wind wheel at transportation or transport are used for the gravity of motor shaft, and then avoid the motor shaft to take place to warp or damage, the stability of fan subassembly when the operation has been improved.

According to some embodiments of the utility model, the protector is followed the axial of motor shaft is equipped with the through hole, the through hole with be equipped with the open slot between protector's the periphery is followed, the open slot with the through hole is used for supplying the motor shaft passes.

According to some embodiments of the utility model, protector includes the bumping post, the bumping post peg graft in the wind wheel and with the wind gap cooperation in order to support in the spiral case, the external diameter more than or equal to of bumping post the internal diameter of wind wheel, and more than or equal to the internal diameter in wind gap.

According to some embodiments of the utility model, the protector still includes first reference column, the external diameter of first reference column is greater than the external diameter of bumping post, and connect in the bumping post is kept away from the one end of wind wheel, first reference column with the spiral case is located the end wall cooperation of wind gap one end, in order to restrict the bumping post peg graft in the position of wind wheel.

According to some embodiments of the utility model, the protector still includes the second reference column, the second reference column connect in the buffering post with between the first reference column, the external diameter of second reference column is greater than the external diameter of buffering post just is less than the external diameter of first reference column, the second reference column with the end wall cooperation, in order to restrict the buffering post peg graft in the position of wind wheel.

According to some embodiments of the utility model, protector is equipped with the handle, the handle is located protector keeps away from the one end of wind wheel.

According to the utility model discloses a some embodiments, protector is the ladder column, protector is including dismantling the first stopper post and the second stopper post of connection, first stopper post with the second stopper post is followed motor shaft place plane symmetry sets up.

According to some embodiments of the utility model, first stopper post is followed the axial of motor shaft is equipped with first logical groove, the second stopper post is followed the axial of motor shaft is equipped with the second and leads to the groove, first logical groove with the second through-groove forms and is used for supplying the through hole that the motor shaft passed.

According to some embodiments of the utility model, the motor shaft be equipped with two and connect respectively in the both ends of motor, the fan is equipped with two and is located respectively the both ends of motor, two one is installed respectively to the motor shaft the wind wheel, the spiral case is followed the axial both ends of motor shaft are equipped with one respectively the wind gap, protector is equipped with two, two protector installs respectively in two the fan orientation the one end of motor, perhaps install respectively in two the fan is kept away from the one end of motor.

According to the utility model discloses tuber pipe machine of second aspect embodiment, including the fan subassembly of above embodiment.

According to the utility model discloses tuber pipe machine has following beneficial effect at least:

adopt the fan subassembly of the first aspect embodiment, the fan subassembly is through setting up protector, protector installs in the fan along the axial at least one end of motor shaft, protector's one end is pegged graft in the wind wheel, the other end supports in the spiral case through the wind gap of the spiral case of fan, make to form stable connection between wind wheel and the spiral case, the removal of wind wheel for the motor shaft has been restricted, and support the wind wheel through the spiral case, thereby the vibration and the wind wheel action that have reduced the in-process wind wheel of transportation or transport are used for the gravity of motor shaft, and then avoid the motor shaft to take place to warp or damage, the stability of tuber pipe machine when moving has been improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural diagram of an air duct machine according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a ducted air conditioner according to an embodiment of the present invention, in which a scroll casing is removed;

fig. 3 is a schematic structural diagram of a fan assembly according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a fan assembly according to an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an enlarged view at B in FIG. 4;

FIG. 7 is a schematic structural view of one embodiment of the shield apparatus of FIG. 3;

FIG. 8 is a schematic structural view of another embodiment of the shield apparatus of FIG. 3;

FIG. 9 is a schematic structural view of another embodiment of the shield apparatus of FIG. 3;

FIG. 10 is a schematic structural view of another embodiment of the shield apparatus of FIG. 3;

FIG. 11 is a schematic structural view of another embodiment of the shield apparatus of FIG. 3;

FIG. 12 is a schematic structural view of another embodiment of the shield apparatus of FIG. 3;

fig. 13 is a schematic structural view of a fan assembly according to another embodiment of the present invention;

fig. 14 is a schematic structural diagram of a fan assembly according to another embodiment of the present invention.

Reference numerals:

a housing 2000; mounting the cross member 2100; a mounting bracket 2200;

a fan assembly 1000;

a motor 100; a motor shaft 110;

a fan 200; a first fan 210; a first wind wheel 211; a first volute 212; a first tuyere 213; a second fan 220; a second wind wheel 221; a second volute 222; the second tuyere 223; a wind wheel 230; a volute 240; a tuyere 241; an end wall 242;

a guard device 300; a through-hole 310; an open groove 320; a buffer column 330; a first positioning post 340; a second positioning post 350; a first plug 360; a first through-groove 361; a second plug 370; and a second through groove 371.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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 invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 3, the duct machine according to an embodiment of the present invention includes a casing 2000 and a fan assembly 1000, and the fan assembly 1000 is disposed in the casing 2000. The utility model discloses fan assembly 1000 includes motor 100 and fan 200. The housing 2000 includes a mounting beam 2100, the motor 100 is fixed on the mounting beam 2100 through a mounting bracket 2200, the wind turbine 200 includes a wind turbine 230 and a volute 240, and the volute 240 is fixedly mounted on the mounting beam 2100 in a direct or indirect manner. It should be noted that, in the embodiments of the present invention, "fixedly connected" may be interpreted as being connected in a manner incapable of relative displacement with respect to each other.

Referring to fig. 1 and 2, the motor 100 is provided with a motor shaft 110, and the motor shaft 110 is provided with two, that is, the motor 100 of the present embodiment is a double-output shaft motor. Correspondingly, there are two fans 200, including a first fan 210 and a second fan 220, where the first fan 210 includes a first wind wheel 211 and a first volute 212, and the second fan 220 includes a second wind wheel 221 and a second volute 222. Referring to fig. 2, the first wind wheel 211 and the second wind wheel 221 are respectively fixedly connected to two motor shafts 110, that is, one ends of the motor shafts 110 far away from the motor 100, so that the first wind wheel 211 and the second wind wheel 221 are respectively suspended on the motor shafts 110. The motor 100 rotates to drive the wind wheel 230 to rotate, so that the air supply of the fan assembly 1000 is realized. The first wind wheel 211 and the second wind wheel 221 may be plastic wind wheels or metal wind wheels, for which the mass is heavy. Correspondingly, the load borne by the motor shaft 110 is larger than the load borne by the motor shaft 110, especially, in the transportation and carrying processes, the impact of the vibration of the metal wind wheel on the motor shaft 110 is larger, when the load exceeds a certain value, the motor shaft 110 can deform, and as a result of the deformation of the motor shaft 110, the wind pipe machine cannot run stably, the vibration is increased, abnormal sound is generated, and the like.

Referring to fig. 1, first wind wheel 211 is disposed in first volute 212, and second wind wheel 221 is disposed in second volute 222. The first scroll 212 is provided with first air openings 213 at both ends in the axial direction of the motor shaft 110, and the second scroll 222 is provided with second air openings 223 at both ends in the axial direction of the motor shaft 110.

It is understood that the first scroll 212 may be provided with the first tuyere 213 only at one end, and the second scroll 222 may be provided with the second tuyere 223 only at one end. Generally, the first air opening 213 and the second air opening 223 are respectively located at an end close to the motor 100 or at an end far from the motor 100 for balance of operation of the fan assembly 1000.

It should be noted that, as another embodiment of the present invention, the motor 100 is only provided with one motor shaft 110, that is, the motor 100 is a single-output shaft motor, and the fan 200 is installed on the motor shaft 110.

Referring to fig. 3, the fan assembly 1000 according to the embodiment of the present invention further includes a protection device 300, and the protection device 300 can solve the problem that the motor shaft 110 is deformed during transportation and handling. The guard 300 is mounted to at least one end of the fan 200 in the axial direction of the motor shaft 110. The number of the protection devices 300 may be multiple, and the protection devices 300 may be installed at one end or both ends of the first fan 210, or at one end or both ends of the second fan 220, or at the first fan 210 or the second fan 220, respectively, and the specific installation position is not specifically limited herein, depending on the needs of the actual product.

The protection device 300 may be made of wood, pearl wool, or other materials with supporting and buffering functions, so as to protect and support the motor shaft 110 while avoiding damage to the wind wheel 230 and the volute 240. The material is designed according to the actual product requirement, and is not limited in detail here.

Referring to fig. 4, for example, when the protection device 300 is installed on the first fan 210, along the axial direction of the motor shaft 110, one end of the protection device 300 is inserted into the first wind wheel 211 through the first wind port 213, and the other end of the protection device 300 penetrates through the same first wind port 213 and is supported by the first volute 212, so that a stable connection is formed between the first wind wheel 211 and the first volute 212, the movement of the first wind wheel 211 relative to the motor shaft 110 is limited, and the first wind wheel 211 is supported by the first volute 212, thereby reducing the vibration of the first wind wheel 211 and the gravity of the first wind wheel 211 acting on the motor shaft 110 in the transportation or carrying process, further avoiding the deformation or damage of the motor shaft 110, and improving the stability of the fan assembly 1000 during operation. In addition, when the protection device 300 is installed on the second fan 220, the installation manner and the operation principle thereof are similar to those of the first fan 210, so that the above description of the embodiments can be appropriately referred to for understanding, and the description is not repeated herein for avoiding redundancy.

It should be noted that the fan assembly 1000 of the embodiment of the present invention can be applied to air conditioners such as a ducted air conditioner and a central air conditioner, especially an air conditioner with a centrifugal fan 200 structure. The air conditioner adopting the fan assembly 1000 of the embodiment can reduce the vibration of the wind wheel 230 and the gravity of the wind wheel 230 acting on the motor shaft 110 in the transportation or carrying process, slow down the impact, further avoid the deformation or damage of the motor shaft 110 due to overlarge impact, reduce the vibration increase or abnormal sound generation rate when the fan assembly 1000 operates, and further improve the stability of the air duct machine during operation.

Referring to fig. 4, 5 and 6, it will be appreciated that the guard 300 is provided with a through-hole 310. The through hole 310 extends in the axial direction of the motor shaft 110 and penetrates the entire guard 300, and the diameter of the through hole 310 is equal to or larger than the axial diameter of the motor shaft 110, so that the motor shaft 110 can be avoided.

Referring to fig. 9 and 10, for example, when the protector 300 is a cylindrical structure, the through hole 310 is located on a central axis of the cylindrical structure, so that the motor shaft 110 can be retracted while the wind wheel 230 is fixed. An opening groove 320 is formed between the through hole 310 and the outer circumferential edge of the guard 300, the opening groove 320 extends along the through hole 310 to the outer circumferential edge of the guard 300, and the width of the opening groove 320 is equal to or greater than the shaft diameter of the motor shaft 110, so that the motor shaft 110 can pass through the opening groove 320 and can be inserted and positioned into the through hole 310.

It will be appreciated that when the guard 300 is mounted at an end of the fan 200 adjacent to the motor 100, the guard 300 needs to be inserted into the motor shaft 110 through the opening slot 320 to further insert the guard 300 between the wind wheel 230 and the volute 240 (as shown in fig. 9 and 10). In addition, referring to fig. 13 and 14, when the protection device 300 is installed, after the motor shaft 110 is sleeved in through the opening groove 320, the protection device 300 needs to be rotated to the direction that the opening groove 320 faces upwards, and then the protection device 300 is inserted between the wind wheel 230 and the volute 240, so that the protection device 300 can better support the gravity applied to the motor shaft 110 by the wind wheel 230, and the vibration of the wind wheel 230 is further reduced. It should be noted that the upward direction referred to herein may be vertically upward, or substantially vertically upward, or may form a certain angle with the vertically upward direction. The upward direction herein relates to a placing manner of the fan assembly 1000 or the air conditioner during transportation and carrying, and specifically refers to the upward direction of the fan assembly 1000 or the air conditioner when placed.

It is understood that when the protector 300 is installed at an end of the fan 200 far from the motor 100, the protector 300 may be directly inserted into the wind wheel 230 without interference of the motor shaft 110, and thus the protector 300 may not be provided with the through hole 310 and the open groove 320 (as shown in fig. 7 and 8).

In order to improve the installation stability of the guard 300, the diameter of the through hole 310 may be slightly larger than the shaft diameter of the motor shaft 110, and the width of the open groove 320 is slightly larger than the shaft diameter of the motor shaft 110. This design can make for transition fit, even interference fit between protector 300 and the motor shaft 110, and then makes protector 300 and motor shaft 110 realize stable being connected.

Referring to fig. 4 and 5, it can be understood that the guard 300 includes a buffer post 330 having a cylindrical structure, and the buffer post 330 is inserted into the wind wheel 230. The buffer column 330 is engaged with the tuyere 241 and supported by the volute 240, that is, by a wall surface formed at the outer peripheral edge of the tuyere 241. The outer diameter of the buffer column 330 is greater than or equal to the inner diameter of the wind wheel 230 and greater than or equal to the inner diameter of the tuyere 241. It should be noted that, when the outer diameter of the buffer column 330 is larger than the inner diameter of the wind wheel 230 and larger than the inner diameter of the wind gap 241, the buffer column 330 generally has elasticity, such as pearl cotton material; when the outer diameter of the strut 330 is equal to the inner diameter of the wind wheel 230 and the inner diameter of the tuyere 241, the strut 330 may not have elasticity within a tolerance range, such as a wooden material or the like. Generally speaking, the inner diameter of wind wheel 230 is the same with the inner diameter of wind gap 241, cushion column 330 inserts to the inner diameter position department of wind wheel 230, realize the chucking through the tight fit installation, and cushion column 330 supports in wind gap 241 periphery along the wall department that forms, realize supporting through the tight fit, thereby make the connection structure of wind wheel 230 and spiral case 240 more stable, thereby reduced the vibration of wind wheel 230 and the gravity that wind wheel 230 acted on motor shaft 110 in the in-process of transportation or transport, and then avoid motor shaft 110 to take place to warp or damage, the stability of fan subassembly 1000 when the operation has been improved. The strut 330 may also be other column-shaped structures, such as a hexagonal column, an octagonal column, etc., as long as it can be inserted into the wind wheel 230 and supported by the volute 240, and the specific shape is not limited herein.

Referring to fig. 7 and 9, it can be understood that the guard 300 further includes a first positioning column 340, the first positioning column 340 also has a cylindrical structure, and the outer diameter of the first positioning column 340 is greater than that of the buffer column 330, so as to form a stepped cylindrical structure. The first positioning post 340 is connected to an end of the buffer post 330 remote from the wind wheel 230. Referring to fig. 5 and 6, the first positioning post 340 is engaged with the end wall 242 of the volute 240 at one end of the wind gap 241, where the engagement may be an abutting engagement or a clearance engagement, so as to limit the insertion depth of the cushion post 330 along the axial direction of the motor shaft 110, so as to limit the insertion position of the cushion post 330 in the wind wheel 230, prevent the cushion post 330 from being inserted into the wind wheel 230 too far, and prevent the cushion post 330 from being supported on the volute 240 too much due to the excessive insertion of the cushion post 330, thereby affecting the supporting and buffering effects of the protection apparatus 300. Moreover, the protection device 300 needs to be disassembled when the air conditioner is installed, and the protection device 300 can be conveniently taken out by an installer through the first positioning column 340 without additionally designing a structure for convenient taking-out. The first positioning posts 340 may also be other columnar structures, such as hexagonal posts, octagonal posts, and the like.

Referring to fig. 9, the buffer post 330 and the first positioning post 340 are formed as an integral structure, the through hole 310 penetrates through both ends of the integral structure of the buffer post 330 and the first positioning post 340, and the opening groove 320 connects the through hole 310 and the outer peripheral edge of the integral structure, so that the motor shaft 110 can pass through. First reference column 340 can design for having certain elastic deformation characteristic to the person of facilitating the installation directly takes out protector 300 through first reference column 340 is manual, thereby convenient to detach is favorable to improving the efficiency of tuber pipe machine installation.

Referring to fig. 8 and 10, it can be understood that the protection device 300 further includes a second positioning pillar 350, and the second positioning pillar 350 is also a cylindrical structure. For example, when the protection device 300 is made of hard materials such as wood, the second positioning column 350, the first positioning column 340 and the buffering column 330 may be an integral structure, the second positioning column 350 is connected between the buffering column 330 and the first positioning column 340, the outer diameter of the second positioning column 350 is larger than the outer diameter of the buffering column 330, and the outer diameter of the second positioning column 350 is smaller than the outer diameter of the first positioning column 340, so as to form a two-stage stepped column structure.

Referring to fig. 5 and 6, the second positioning pillars 350 are engaged with the end walls 242, where the engagement is an abutting engagement, so as to limit the inserting depth of the buffer pillars 330 along the axial direction of the motor shaft 110, thereby limiting the inserting position of the buffer pillars 330 in the wind wheel 230, preventing the buffer pillars 330 from being inserted to the wind wheel 230 and being unable to be stably inserted, and preventing the buffer pillars 330 from being excessively inserted to cause the buffer pillars 330 to be unable to be supported on the volute 240, which affects the supporting and buffering effects of the protection device 300. Moreover, when the air conditioner is installed, the protection device 300 needs to be disassembled, and through the gap formed between the first positioning column 340 and the second positioning column 350, an installer can conveniently take out the protection device 300 manually, and an additional structure for facilitating taking out does not need to be designed. Of course, the second positioning pillars 350 may also be other pillar structures, such as hexagonal pillars, octagonal pillars, and so on.

It should be noted that, when the protection device 300 is made of soft materials such as pearl wool, the protection device 300 may be composed of the buffering column 330 and the first positioning column 340, so as to reduce the usage of materials and the production cost. For ease of manufacture, the guard 300 is generally formed as a single piece.

Referring to fig. 10, the buffer column 330, the second positioning column 350 and the first positioning column 340 are integrated, and the through hole 310 penetrates through two ends of the integrated structure of the buffer column 330, the second positioning column 350 and the first positioning column 340. The opening groove 320 connects the penetration hole 310 and the outer circumferential edge of the integrated structure so that the motor shaft 110 can penetrate therethrough. There is certain clearance between first reference column 340 and the spiral case 240, the width of second reference column 350 promptly to make things convenient for the installer to directly take out protector 300 through first reference column 340 is manual, thereby convenient to detach is favorable to improving the efficiency of tuber pipe machine installation.

In another embodiment of the present invention, it can be understood that the protection device 300 is provided with a handle (not shown in the figure), the handle is disposed at an end of the protection device 300 away from the wind wheel 230, and the handle can be fixedly connected to the protection device 300 by a fastener, or can be integrally formed with the protection device 300. The handle can make things convenient for the installer to take out protector 300, improves tuber pipe machine's installation effectiveness. It will be appreciated that the handle may be of various configurations, such as a configuration similar to a door handle.

Referring to fig. 11 and 12, it can be understood that the guard 300 has a stepped cylindrical shape, the guard 300 includes a first plug 360 and a second plug 370, the first plug 360 and the second plug 370 are symmetrically disposed along a plane of the motor shaft 110, and the first plug and the second plug 370 are detachably connected. For example, in the embodiment of the present invention, the first plug 360 and the second plug 370 are two symmetrical half-step cylinders, and the half-step cylinder is formed by cutting the step cylinder into two halves along the plane where the axis is located, so that the first plug 360 and the second plug 370 can be combined into a complete step cylinder. For example, the first plug 360 and the second plug 370 are the structures shown in fig. 11, which can be combined into an integral structure consisting of the buffer column 330 and the first positioning column 340 as in the embodiment of fig. 7 and 9; the first plug 360 and the second plug 370 are the structures shown in fig. 12, which can be combined into an integrated structure consisting of the buffer column 330, the second positioning column 350 and the first positioning column 340 as in the embodiment shown in fig. 8 and 10. The protection device 300 adopts the structure of the first plug 360 and the second plug 370, so that the motor shaft 110 and the wind wheel 230 are supported and protected, and meanwhile, the installation and the disassembly are more convenient, and the assembly efficiency is improved. The utility model discloses protector 300 is the ladder cylinder, still can be for the ladder column of other shapes, no longer specifically limits here.

The first plug 360 and the second plug 370 may be a structure formed by half-cutting the guard 300 according to the embodiment of fig. 7 (as shown in fig. 11), or may be a structure formed by half-cutting the guard 300 according to the embodiment of fig. 8 (as shown in fig. 12), and the design principle and the beneficial effects thereof may be appropriately referred to the description of the above embodiments, and therefore, for avoiding redundancy, the description thereof is not repeated.

Referring to fig. 11 and 12, it can be understood that the first plug 360 is provided with a first through groove 361, and the first through groove 361 penetrates through the first plug 360 along the axial direction of the motor shaft 110. Also, a first through-slot 361 is provided on the mating surfaces of the first plug 360 and the second plug 370. The second plug 370 defines a second through-slot 371, and the second through-slot 371 penetrates through the second plug 370 along the axial direction of the motor shaft 110. And, a second through groove 371 is provided on the mating surfaces of the second plug 370 and the first plug 360.

Therefore, when the first plug 360 and the second plug 370 are assembled, the first through groove 361 and the second through groove 371 form a through hole 310, and the through hole 310 is used for the motor shaft 110 to pass through, so as to avoid the motor shaft 110, when the first plug 360 and the second plug 370 are installed at one end of the fan 200 close to the motor 100, due to the interference of the motor shaft 110, the first plug 360 and the second plug 370 are respectively sleeved in the motor shaft 110 and then are inserted into the wind wheel 230 together when being installed. The protection device 300 of the embodiment can avoid the open slot 320, thereby improving the structural strength of the protection device 300, reducing the processing steps, improving the processing efficiency and reducing the processing cost.

It is understood that when the combination structure of the first plug 360 and the second plug 370 is installed at an end of the blower 200 far from the motor 100, the first plug 360 may not be provided with the first through groove 361 and the second plug 370 may not be provided with the second through groove 371 due to no interference of the motor shaft 110.

Referring to fig. 13 and 14, it can be understood that, in the assembly of the motor 100 according to the embodiment of the present invention, the motor 100 is a dual output shaft motor, the motor 100 is provided with two motor shafts 110, and the fans 200 are also provided with two fans, including the first fan 210 and the second fan 220. The first fan 210 includes a first wind wheel 211 and a first volute 212, and two ends of the first volute 212 in the axial direction of the motor shaft 110 are respectively provided with one first air opening 213, that is, the first volute 212 is provided with two first air openings 213. The second fan 220 includes a second wind wheel 221 and a second volute 222, and two ends of the second volute 222 along the axial direction of the motor shaft 110 are respectively provided with one second air opening 223, that is, the second volute 222 is provided with two second air openings 223. The first wind wheel 211 and the second wind wheel 221 are fixedly connected to the two motor shafts 110, respectively. Two protection devices 300 are provided, and the two protection devices 300 are respectively installed at one end of the first fan 210 close to the motor 100 and one end of the second fan 220 close to the motor 100. Alternatively, the two guards 300 are respectively installed at an end of the first fan 210 away from the motor 100 and an end of the second fan 220 away from the motor 100. The utility model discloses fan subassembly 1000 for whole atress is more balanced, can effectively reduce the vibration of wind wheel 230, reduces the impact to motor shaft 110.

It can be understood that four protection devices 300 may be provided, and the four protection devices 300 are respectively installed at two ends of the first fan 210 and two ends of the second fan 220, so that the overall structure of the fan assembly 1000 is more stable, and the motor shaft 110 can be better protected. Of course, the protection device 300 may also be provided with one or three fans, and the fans are respectively installed at one or three installation positions, where the installation positions include an end of the first fan 210 close to the motor 100, an end of the first fan 210 far from the motor 100, an end of the second fan 220 close to the motor 100, and an end of the second fan 220 far from the motor 100.

Referring to fig. 1, 2 and 14, an embodiment of the present invention relates to a duct machine, including the fan assembly 1000 of the above embodiment. The utility model discloses a tuber pipe machine, adopt the fan subassembly 1000 of first aspect embodiment, fan subassembly 1000 is through setting up protector 300, protector 300 is installed in fan 200 along the axial at least one end of motor shaft 110, the one end of protector 300 is pegged graft in wind wheel 230, the wind gap 241 of the spiral case 240 of fan 200 is passed through to the other end supports in spiral case 240, make to form stable connection between wind wheel 230 and the spiral case 240, the removal of wind wheel 230 for motor shaft 110 has been restricted, and support wind wheel 230 through spiral case 240, thereby the vibration of in-process wind wheel 230 and the gravity that wind wheel 230 acted on motor shaft 110 at transportation or transport have been reduced, and then avoid motor shaft 110 to take place to warp or damage, the stability of tuber pipe machine when the operation has been improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. Fan subassembly, its characterized in that includes:

the motor is provided with a motor shaft;

the fan comprises a wind wheel and a volute, the wind wheel is fixedly connected with the motor shaft and is arranged in the volute, and at least one end of the volute in the axial direction of the motor shaft is provided with an air opening;

and the protective device is inserted into the wind wheel along one axial end of the motor shaft, and the other end of the protective device penetrates through the air opening and is supported on the volute.

2. The fan assembly of claim 1, wherein: the protection device is provided with a through hole along the axial direction of the motor shaft, an open slot is arranged between the through hole and the periphery edge of the protection device, and the open slot and the through hole are used for the motor shaft to pass through.

3. The fan assembly of claim 1, wherein: the protection device comprises a buffer column, the buffer column is inserted into the wind wheel and matched with the air port to be supported on the volute, and the outer diameter of the buffer column is larger than or equal to the inner diameter of the wind wheel and larger than or equal to the inner diameter of the air port.

4. The fan assembly of claim 3, wherein: the protection device further comprises a first positioning column, the outer diameter of the first positioning column is larger than that of the buffer column, the first positioning column is connected to one end, far away from the wind wheel, of the buffer column, and the first positioning column is matched with the end wall, located at one end of the wind port, of the volute to limit the buffer column to be inserted into the position of the wind wheel.

5. The fan assembly of claim 4, wherein: the protective device further comprises a second positioning column, the second positioning column is connected between the buffer column and the first positioning column, the outer diameter of the second positioning column is larger than that of the buffer column and smaller than that of the first positioning column, and the second positioning column is matched with the end wall to limit the buffer column to be inserted into the position of the wind wheel.

6. The fan assembly of claim 1, wherein: the protection device is provided with a handle, and the handle is arranged at one end, far away from the wind wheel, of the protection device.

7. The fan assembly of claim 1, wherein: the protection device is in a stepped column shape and comprises a first plug column and a second plug column which are detachably connected, and the first plug column and the second plug column are symmetrically arranged along the plane where the motor shaft is located.

8. The fan assembly of claim 7, wherein: the first plug column is provided with a first through groove along the axial direction of the motor shaft, the second plug column is provided with a second through groove along the axial direction of the motor shaft, and the first through groove and the second through groove form a through hole for the motor shaft to pass through.

9. The fan assembly of claim 1, wherein: the motor shaft is provided with two fans which are respectively connected to two ends of the motor, the fans are provided with two fans which are respectively located at two ends of the motor, the two motor shafts are respectively provided with one wind wheel, the two ends of the volute along the axial direction of the motor shaft are respectively provided with one wind port, the two protection devices are respectively arranged at one end of the two fans facing the motor or at one end of the two fans far away from the motor.

10. Tuber pipe machine, its characterized in that: comprising a fan assembly according to any of claims 1 to 9.

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