A mounting structure for a crossflow impeller and a motor

Abstract

The present invention discloses a mounting structure of a crossflow wind wheel and a motor, comprising a motor, a crossflow wind wheel and a motor mounting plate, wherein the crossflow wind wheel comprises a plurality of wind blades and a plurality of wind blade connecting rings, wherein the wind blades form a long cavity, and a wind wheel connecting portion is provided in the crossflow wind wheel, characterized in that: the wind wheel connecting portion is located in the long cavity, the motor mounting plate is located outside one end of the crossflow wind wheel, the motor is mounted on the motor mounting plate, and at least a portion of the motor extends into the long cavity and is connected to the wind wheel connecting portion. In the mounting structure of the crossflow wind wheel and the motor, at least a portion of the motor extends into the long cavity and is connected to the wind wheel connecting portion, which shortens the overall length of the crossflow wind wheel after being connected to the motor, and is conducive to the development of miniaturization of air conditioners.

Description

Technical field:

[0001] The invention relates to a mounting structure of a cross-flow fan wheel and a motor for an air conditioner. Background technology:

[0002] like Figure 1 , Figure 2 As shown, a crossflow fan a is provided in the existing air conditioner, and the crossflow fan a is driven to rotate by a motor b. The installation structure of the crossflow fan a and the motor b is as follows: a mounting panel d is provided on the end face of the crossflow fan wheel a, and a rotating shaft c of the motor b extends into the crossflow fan wheel a and is connected to the mounting panel d; shock absorbing rings e1 and e2 are installed on the two end covers of the motor b, and the mounting bracket is installed on the two shock absorbing rings e1 and e2. The mounting bracket includes a fixing frame g and a motor mounting plate f for external connection, and the motor mounting plate f is located beside the crossflow fan wheel a, and the motor mounting plate f is sleeved on a shock absorbing ring e1 of the motor b, and the fixing frame g is sleeved on the other shock absorbing ring e2 of the motor b. The fixing frame g extends a plurality of connecting rods h, and the ends of the connecting rods h bypass the motor b and are connected to the motor mounting plate f, and the fixing frame g presses the motor b onto the motor mounting plate f. The fan for the air conditioner of this structure has a large overall volume, a complex mounting bracket structure, and is inconvenient to install the motor, and cannot meet the needs of the miniaturization development of the air conditioner. Summary of the invention:

[0003] The purpose of the present invention is to provide a mounting structure of a crossflow fan wheel and a motor, so as to solve the problem of large overall volume of the crossflow fan wheel and the motor in the prior art.

[0004] The purpose of the present invention is achieved through the following technical solutions.

[0005] The object of the present invention is to provide a mounting structure of a crossflow wind wheel and a motor, comprising a motor, a crossflow wind wheel and a motor mounting plate, wherein the crossflow wind wheel comprises a plurality of wind blades and a plurality of wind blade connecting rings, wherein the wind blades form a long cavity, and a wind wheel connecting portion is provided in the crossflow wind wheel, characterized in that: the wind wheel connecting portion is located in the long cavity, the motor mounting plate is located on the outside of one end of the crossflow wind wheel, the motor is mounted on the motor mounting plate, and at least a portion of the motor extends into the long cavity and is connected to the wind wheel connecting portion.

[0006] The above-mentioned wind wheel connecting part is a wind wheel connecting plate which is a certain distance away from the end face of the throughflow wind wheel. The wind wheel connecting plate is connected to the fan blade. An axial hole is provided in the wind wheel connecting plate. A boss protrudes from one side of the axial hole of the wind wheel connecting plate. The rotating shaft of the motor passes through the axial hole and is mounted in the boss.

[0007] The plurality of blades of the crossflow wind wheel are connected by a plurality of blade connecting rings that are spaced apart, and the wind wheel connecting plate is located between two blade connecting rings.

[0008] The above-mentioned wind wheel connecting plate is provided with a plurality of air guide holes on the periphery of the shaft hole.

[0009] The above-mentioned motor is an inner rotor motor, which includes an inner rotor assembly, a stator assembly, a plastic shell and the rotating shaft. The stator assembly is plastic-sealed in the plastic shell, the inner rotor assembly is sleeved in the plastic shell, the rotating shaft is installed in the inner rotor assembly, and a plurality of fixed legs are radially protruding from the outer circumferential surface of the plastic shell, and the motor mounting plate is connected to the fixed legs.

[0010] The above-mentioned motor is an outer rotor motor, which includes an outer rotor assembly, a stator assembly, a plastic-sealed base and the rotating shaft. The stator assembly is plastic-sealed in the plastic-sealed base, and the outer rotor assembly is sleeved outside the plastic-sealed base. The rotating shaft is connected to the outer rotor assembly, and one end of the rotating shaft extends from the outer rotor assembly and is connected to the wind wheel connecting plate. A plurality of fixed legs radially protrude from the outer circumferential surface of the plastic-sealed base, and the motor mounting plate is connected to the fixed legs.

[0011] The several blades of the above-mentioned crossflow wind wheel are connected by several blade connecting rings distributed at intervals. The wind wheel connecting part is a connecting sleeve formed by folding one of the blade connecting rings at the end inward. The motor is an outer rotor motor. The motor includes an outer rotor assembly, a stator assembly, a plastic-sealed base and the rotating shaft. The stator assembly is plastic-sealed in the plastic-sealed base, the rotating shaft is connected to the outer rotor assembly, the outer rotor assembly is connected to the rotating shaft and is sleeved outside the plastic-sealed base, and the connecting sleeve is sleeved on the outer surface of the outer rotor assembly.

[0012] There is a gap between the connecting sleeve and the fan blade.

[0013] The outer surface of the motor is radially protruded with a plurality of fixed legs, the mounting legs are provided with shock-absorbing pads, the motor mounting plate is against one end face of the shock-absorbing pad, the motor mounting plate is protruded with a buckle, the buckle is clamped on the other end face of the shock-absorbing pad, and the buckle clamps the motor mounting plate on the mounting legs of the motor.

[0014] The motor mounting plate is composed of two sub-mounting plates, and the two sub-mounting plates are threadedly connected.

[0015] Compared with the prior art, the present invention has the following effects:

[0016] 1) The wind wheel connection part is located in the long cavity, and at least a part of the motor extends into the long cavity and is connected to the wind wheel connection part, which shortens the overall length of the crossflow wind wheel and the motor after being connected, and is conducive to the development of miniaturization of the air conditioner;

[0017] 2) The plurality of blades of the crossflow wind wheel are connected by a plurality of blade connecting rings that are spaced apart from each other. The wind wheel connecting portion is a wind wheel connecting plate that is a certain distance away from the end face of the crossflow wind wheel. The wind wheel connecting plate is connected to the wind blades. The rotating shaft of the motor passes through the shaft hole of the wind wheel connecting plate and is sleeved in the boss. The connection is simple and the installation is convenient. The boss improves the connection reliability between the rotating shaft and the wind wheel connecting plate.

[0018] 3) The wind wheel connecting plate is provided with a plurality of air guide holes on the periphery of the shaft hole, and the air guide holes are conducive to the flow of air in the long cavity;

[0019] 4) The wind wheel connecting part is a connecting sleeve formed by folding inwardly a wind blade connecting ring at the end, and the motor is an outer rotor motor. The connecting sleeve is sleeved on the outer surface of the outer rotor assembly of the outer rotor motor, which is convenient and reliable to install.

[0020] 5) A plurality of fixed legs protrude radially from the outer surface of the motor, and a shock-absorbing pad is provided on the mounting leg. The motor mounting plate is against one end face of the shock-absorbing pad, and a buckle protrudes from the motor mounting plate, and the buckle is clamped on the other end face of the shock-absorbing pad. The buckle clamps the motor mounting plate on the mounting leg of the motor, which has a simple structure and is easy to install. Description of the drawings:

[0021] Figure 1 It is a schematic diagram of the installation structure of a crossflow fan wheel and a motor for an air conditioner in the prior art;

[0022] Figure 2 It is a side view of the installation structure of the crossflow fan wheel and the motor for air conditioner in the prior art;

[0023] Figure 3 Schematic diagram of the installation structure of the crossflow impeller and the motor provided in the first embodiment of the present invention;

[0024] Figure 4 yes Figure 3 A magnified image of point A;

[0025] Figure 5 is a side view of the installation structure of the crossflow impeller and the motor provided in the first embodiment of the present invention;

[0026] Figure 6 yes Figure 5 B-B section view;

[0027] Figure 7is an exploded view of the installation structure of the crossflow impeller and the motor provided in the first embodiment of the present invention;

[0028] Figure 8 It is a schematic diagram of the installation structure of the crossflow impeller and the motor provided in the second embodiment of the present invention;

[0029] Fig. 9 is a cross-sectional view of the installation structure of the crossflow impeller and the motor provided in the second embodiment of the present invention;

[0030] Fig.10 is an exploded view of the installation structure of the crossflow impeller and the motor provided in the third embodiment of the present invention;

[0031] Fig.11 It is a cross-sectional view of the installation structure of the crossflow impeller and the motor provided in the third embodiment of the present invention. Specific implementation method:

[0032] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0033] Embodiment 1:

[0034] like Figures 3 to 7 As shown, the present embodiment provides a mounting structure of a crossflow wind wheel and a motor, comprising a motor 1, a crossflow wind wheel 2 and a motor mounting plate 3, wherein the crossflow wind wheel 2 comprises a plurality of blades 21 and a plurality of blade connecting rings 23, wherein the blades 21 form a long cavity 22, and a wind wheel connecting portion 4 is provided in the crossflow wind wheel 2, wherein the wind wheel connecting portion 4 is located in the long cavity 22, the motor mounting plate 3 is located on the outer side of one end of the crossflow wind wheel 2, the motor 1 is mounted on the motor mounting plate 3, and at least a portion of the motor 1 extends into the long cavity 22 and is connected to the wind wheel connecting portion 4.

[0035] In the installation structure of the crossflow impeller and the motor described in this embodiment, the impeller connecting portion 4 is located in the long cavity 22, and at least a portion of the motor 1 extends into the long cavity 22 and is connected to the impeller connecting portion 4, thereby shortening the overall length of the crossflow impeller 2 after being connected to the motor 1, which is conducive to the development of miniaturization of the air conditioner.

[0036] The above-mentioned wind wheel connecting part 4 is a wind wheel connecting plate 41 which is a certain distance away from the end face of the crossflow wind wheel 2. The wind wheel connecting plate 41 is connected to the fan blade 21. An axial hole 411 is provided in the wind wheel connecting plate 41. The wind wheel connecting plate 41 has a boss 412 protruding from one side of the axial hole 411. The rotating shaft 12 of the motor 1 passes through the axial hole 411 and is sleeved in the boss 412.

[0037] The plurality of blades 21 of the crossflow wind wheel 2 are connected by a plurality of blade connecting rings 23 that are spaced apart from each other, and the wind wheel connecting plate 41 is located between two blade connecting rings 23 .

[0038] The wind wheel connecting plate 41 is provided with a plurality of air guide holes 413 at the periphery of the shaft hole 411 .

[0039] The above-mentioned motor 1 is an inner rotor motor, and the motor 1 includes an inner rotor assembly 13, a stator assembly 14, a plastic shell 151 and the rotating shaft 12. The stator assembly 14 is plastic-sealed in the plastic shell 151, the inner rotor assembly 13 is sleeved in the plastic shell 151, and the rotating shaft 12 is installed in the inner rotor assembly 13. A plurality of fixed legs 11 radially protrude from the outer circumferential surface of the plastic shell 151, and the motor mounting plate 3 is connected to the fixed legs 11.

[0040] The above-mentioned mounting foot 11 is provided with a shock-absorbing pad 19, and the motor mounting plate 3 is against the bottom surface 191 of the shock-absorbing pad 19. The motor mounting plate 3 has a protruding buckle 31, and the buckle 31 is clamped on the top surface 192 of the shock-absorbing pad 19. The buckle 31 clamps the motor mounting plate 3 on the mounting foot 11 of the motor 1.

[0041] The shock-absorbing pad 19 is a shock-absorbing ring, and the shock-absorbing ring is sleeved on the mounting foot 11 .

[0042] The motor mounting plate 3 is composed of two sub-mounting plates 30 , and the two sub-mounting plates 30 are threadedly connected.

[0043] Embodiment 2:

[0044] like Figure 8 , Fig. 9 As shown, the installation structure of the crossflow impeller and the motor in this embodiment is similar to the installation structure in the first embodiment, except that:

[0045] The above-mentioned motor 1 is an outer rotor motor, and the motor 1 includes an outer rotor assembly 16, a stator assembly 14, a plastic-sealed base 152 and the rotating shaft 12. The stator assembly 14 is plastic-sealed in the plastic-sealed base 152, and the outer rotor assembly 16 is sleeved outside the plastic-sealed base 152. The rotating shaft 12 is connected to the outer rotor assembly 16, and one end of the rotating shaft 12 extends from the outer rotor assembly 16 and is connected to the wind wheel connecting plate 41. A plurality of fixed legs 11 radially protrude from the outer circumferential surface of the plastic-sealed base 152, and the motor mounting plate 3 is connected to the fixed legs 11.

[0046] Embodiment three:

[0047] like Fig.10 , Fig.11 As shown, the installation structure of the crossflow impeller and the motor in this embodiment is similar to the installation structure in the second embodiment, except that:

[0048] The several blades 21 of the crossflow wind wheel 2 are connected by several blade connecting rings 23 distributed at intervals. The wind wheel connecting part 4 is a connecting sleeve 42 formed by folding one of the blade connecting rings 23 at the end inward. The motor 1 is an outer rotor motor. The motor 1 includes an outer rotor assembly 16, a stator assembly 14, a plastic-sealed base 152 and the rotating shaft 12. The stator assembly 14 is plastic-sealed in the plastic-sealed base 152. The rotating shaft 12 is connected to the outer rotor assembly 16. The outer rotor assembly 16 is connected to the rotating shaft 12 and is sleeved outside the plastic-sealed base 152. The connecting sleeve 42 is sleeved on the outer surface of the outer rotor assembly 16.

[0049] In the installation structure of the crossflow impeller and the motor described in this embodiment, the connecting sleeve 42 is sleeved on the outer surface of the outer rotor assembly 16 of the outer rotor motor, and the installation is convenient and reliable.

[0050] There is a gap 43 between the connecting sleeve 42 and the fan blade 21 .

[0051] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are all equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A crossflow fan and motor mounting structure, comprising a motor (1), a crossflow fan (2) and a motor mounting plate (3), wherein the crossflow fan (2) comprises a plurality of fan blades (21) and a plurality of fan blade connecting rings (23), wherein the fan blades (21) surround a long cavity (22), and a fan wheel connecting portion (4) is provided inside the crossflow fan (2), characterized in that: The wind wheel connecting portion (4) is located in the long cavity (22), the motor mounting plate (3) is located outside one end of the crossflow wind wheel (2), the motor (1) is mounted on the motor mounting plate (3), and at least a portion of the motor (1) extends into the long cavity (22) and is connected to the wind wheel connecting portion (4); The outer surface of the motor (1) is radially protruded with a plurality of fixed legs (11), the fixed legs (11) are provided with shock-absorbing pads (19), the motor mounting plate (3) is against one end surface (191) of the shock-absorbing pad (19), the motor mounting plate (3) is protruded with a buckle (31), the buckle (31) is clamped on the other end surface (192) of the shock-absorbing pad (19), and the buckle (31) clamps the motor mounting plate (3) on the fixed legs (11) of the motor (1); The wind wheel connecting portion (4) is a wind wheel connecting plate (41) which is a certain distance away from the end surface of the crossflow wind wheel (2); the wind wheel connecting plate (41) is connected to the fan blade (21); an axial hole (411) is provided in the wind wheel connecting plate (41); a boss (412) protrudes from one side of the axial hole (411); a rotating shaft (12) of the motor (1) passes through the axial hole (411) and is sleeved into the boss (412); The plurality of wind blades (21) of the crossflow wind wheel (2) are connected by a plurality of wind blade connecting rings (23) distributed at intervals, and the wind wheel connecting plate (41) is located between two wind blade connecting rings (23) at the end; The wind wheel connecting plate (41) is provided with a plurality of air guide holes (413) on the periphery of the shaft hole (411).

2. The installation structure of a crossflow impeller and a motor according to claim 1, characterized in that: The motor (1) is an inner rotor motor, comprising an inner rotor assembly (13), a stator assembly (14), a plastic-encapsulated shell (151) and the rotating shaft (12); the stator assembly (14) is plastic-encapsulated in the plastic-encapsulated shell (151); the inner rotor assembly (13) is sleeved in the plastic-encapsulated shell (151); the rotating shaft (12) is installed in the inner rotor assembly (13); a plurality of fixing legs (11) are radially protruded from the outer circumferential surface of the plastic-encapsulated shell (151); and the motor mounting plate (3) is connected to the fixing legs (11).

3. The installation structure of a crossflow impeller and a motor according to claim 1, characterized in that: The motor (1) is an outer rotor motor, comprising an outer rotor assembly (16), a stator assembly (14), a plastic-encapsulated base (152) and the rotating shaft (12); the stator assembly (14) is plastic-encapsulated in the plastic-encapsulated base (152); the outer rotor assembly (16) is sleeved outside the plastic-encapsulated base (152); the rotating shaft (12) is connected to the outer rotor assembly (16); one end of the rotating shaft (12) extends from the outer rotor assembly (16) and is connected to the wind wheel connecting plate (41); a plurality of fixed legs (11) are radially protruded from the outer circumferential surface of the plastic-encapsulated base (152); and the motor mounting plate (3) is connected to the fixed legs (11).

4. The installation structure of a crossflow impeller and a motor according to claim 1, characterized in that: The plurality of blades (21) of the crossflow impeller (2) are connected by a plurality of blade connecting rings (23) distributed at intervals; the impeller connecting portion (4) is a connecting sleeve (42) formed by folding one of the blade connecting rings (23) at the end inwardly; the motor (1) is an outer rotor motor; the motor (1) comprises an outer rotor assembly (16), a stator assembly (14), a plastic-sealed base (152) and the rotating shaft (12); the stator assembly (14) is plastic-sealed in the plastic-sealed base (152); the rotating shaft (12) is connected to the outer rotor assembly (16); the outer rotor assembly (16) is connected to the rotating shaft (12) and is sleeved outside the plastic-sealed base (152); and the connecting sleeve (42) is sleeved on the outer surface of the outer rotor assembly (16).

5. The installation structure of a crossflow impeller and a motor according to claim 4, characterized in that: There is a gap (43) between the connecting sleeve (42) and the fan blade (21).

6. A crossflow impeller and motor mounting structure according to any one of claims 1 to 5, characterized in that: The motor mounting plate (3) is composed of two sub-mounting plates (30), and the two sub-mounting plates (30) are threadedly connected.

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