Volute, fan and electrical equipment

Abstract

The utility model provides a volute, fan and electrical equipment wherein the volute comprises: a volute main body, the volute main body comprises a motor mounting plate; the flange is arranged on the volute main body; the first side plate is arranged on the volute body, and the first side plate is located in the first direction of the motor mounting plate; and the second side plate is arranged on the volute main body, and the second side plate is located in the second direction of the motor mounting plate. The volute and the flange are of a complete structure and are arranged on the volute body, and the flange is not an assembling piece, so that the strength of the flange is improved, and the stability of the volute is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of volute, and particularly relates to a volute, a fan and an electrical appliance device. Background Art

[0002] At present, in order to facilitate the production and manufacturing of the volute, the volute is usually made into an assembled part. In the related art, the volute is usually divided into two parts, upper and lower, or left and right. However, this way of disassembling the part will split the flange on the volute into two parts, thus weakening the strength of the flange. Summary of the Utility Model

[0003] The utility model aims to at least solve or improve the technical problem in the prior art that the strength of the flange is relatively low due to the assembled structure of the flange on the volute.

[0004] To this end, a first aspect of the utility model proposes a volute.

[0005] A second aspect of the utility model proposes a fan.

[0006] A third aspect of the utility model proposes an electrical appliance device.

[0007] In view of this, according to the first aspect of the utility model, a volute is proposed, which includes: a volute main body, the volute main body includes a motor mounting plate; a flange, arranged on the volute main body; a first side plate, arranged on the volute main body, the first side plate is located in a first direction of the motor mounting plate; a second side plate, arranged on the volute main body, the second side plate is located in a second direction of the motor mounting plate.

[0008] The volute proposed by the utility model includes a volute main body, a flange, a first side plate and a second side plate. The volute main body includes a motor mounting plate for mounting a motor. The first side plate and the second side plate are arranged on the volute main body and are located on both sides of the volute main body. The first side plate is located in a first direction of the motor mounting plate, and the second side plate is located in a second direction of the motor mounting plate, so that the volute becomes an assembled part, thus facilitating the production and manufacturing of the volute.

[0009] Moreover, the flange is arranged on the volute main body, that is, the flange is a complete structure rather than an assembled part, thereby improving the strength of the flange and the stability of the volute.

[0010] In addition, according to the volute provided by the above technical solution of the utility model, the following additional technical features may also be possessed:

[0011] In some embodiments, optionally, the volute body further includes: a shroud, the motor mounting plate is disposed within the shroud, and the shroud and the motor mounting plate cooperate to form a first cavity and a second cavity; wherein, the first side plate has a first air inlet, the first air inlet is in communication with the first cavity, the second side plate has a second air inlet, the second air inlet is in communication with the second cavity, the shroud has an air outlet, the air outlet is in communication with the first cavity and the second cavity, and a flange is disposed on the shroud.

[0012] In this embodiment, the volute body further includes a shroud, and the motor mounting plate is disposed within the shroud. That is, the volute body is assembled and formed by two parts, namely the shroud and the motor mounting plate, which facilitates the production and manufacturing of the volute body. After the motor mounting plate and the shroud cooperate, the shroud and the motor mounting plate enclose a first cavity and a second cavity. The first cavity is located in the first direction of the motor mounting plate, and the second cavity is located in the second direction of the motor mounting plate, thereby making the volute form a double-suction volute.

[0013] A first air inlet is provided on the first side plate, and the first air inlet is in communication with the first cavity. A second air inlet is provided on the second side plate, and the second air inlet is in communication with the second cavity. An air outlet is provided on the shroud. Thus, the air flow can enter the first cavity through the first air inlet and then be discharged through the air outlet. The air flow can also enter the second cavity through the second air inlet and then be discharged through the air outlet.

[0014] Moreover, a flange is disposed on the shroud to achieve the fixation of the volute.

[0015] In some embodiments, optionally, the motor mounting plate has motor mounting holes for placing a dual-shaft motor.

[0016] In this embodiment, motor mounting holes are provided on the motor mounting plate for placing a dual-shaft motor. Thus, the first output shaft of the dual-shaft motor drives the first impeller within the first cavity to rotate, realizing the air suction and exhaust of the first cavity. The second output shaft of the dual-shaft motor drives the second impeller within the second cavity to rotate, realizing the air suction and exhaust of the second cavity. Providing motor mounting holes on the motor mounting plate facilitates the positioning, installation, and fixation of the dual-shaft motor, reducing the assembly difficulty.

[0017] In some embodiments, optionally, the first side plate includes a first mating portion, the volute body includes a third mating portion, and the first mating portion and the third mating portion form a multi-faceted sealing fit; the second side plate includes a second mating portion, the volute body includes a fourth mating portion, and the second mating portion and the fourth mating portion form a multi-faceted sealing fit.

[0018] In this embodiment, the first side plate includes a first mating portion, and the volute main body includes a third mating portion. The first mating portion and the third mating portion are adapted to each other, and after the first mating portion and the third mating portion are attached, a sealed fit of multiple surfaces is formed, thereby improving the sealing performance between the first side plate and the volute main body. The second side plate includes a second mating portion, and the volute main body includes a fourth mating portion. The second mating portion and the fourth mating portion are adapted to each other, and after the second mating portion and the fourth mating portion are attached, a sealed fit of multiple surfaces is formed, thereby improving the sealing performance between the second side plate and the volute main body, and thus improving the performance of the fan.

[0019] In some embodiments, optionally, both the first mating portion and the third mating portion are stepped structures or toothed structures; both the second mating portion and the fourth mating portion are stepped structures or toothed structures.

[0020] In this embodiment, both the first mating portion and the third mating portion are stepped structures or toothed structures, thereby increasing the sealing surfaces of the first mating portion and the third mating portion. Moreover, the stepped structure or the toothed structure is easy to produce, reducing the processing difficulty of the volute. Both the second mating portion and the fourth mating portion are stepped structures or toothed structures, thereby increasing the sealing surfaces of the second mating portion and the fourth mating portion. Moreover, the stepped structure or the toothed structure is easy to produce, reducing the processing difficulty of the volute.

[0021] In some embodiments, optionally, the first side plate and the volute main body are snap-connected or connected by bolts; the second side plate and the volute main body are snap-connected or connected by bolts.

[0022] In this embodiment, the fixing method between the first side plate and the volute main body can be snap connection or bolt connection, thereby improving the connection strength between the first side plate and the volute main body. The fixing method between the second side plate and the volute main body can be snap connection or bolt connection, thereby improving the connection strength between the second side plate and the volute main body.

[0023] In some embodiments, optionally, the flange protrudes from the first side plate in a first direction of the motor mounting plate; the flange protrudes from the second side plate in a second direction of the motor mounting plate.

[0024] In this embodiment, the flange protrudes from the first side plate in the first direction of the motor mounting plate, thereby increasing the effective area of the flange and improving the stability after the volute is installed. The flange protrudes from the second side plate in the second direction of the motor mounting plate, thereby increasing the effective area of the flange and improving the stability after the volute is installed.

[0025] According to the second aspect of the present invention, the present invention provides a fan, comprising: a volute as proposed in the embodiment of the first aspect.

[0026] The blower proposed by the present utility model includes a volute as proposed in the embodiments of the first aspect. Therefore, it has all the beneficial effects of the volute as proposed in the embodiments of the first aspect, which will not be elaborated one by one herein.

[0027] In some embodiments, optionally, it further includes: a dual-axis motor disposed in the motor mounting hole of the motor mounting plate of the volute. The dual-axis motor has mounting ears, and the mounting ears are connected to the motor mounting plate; a first impeller disposed on the first output shaft of the dual-axis motor, and the first impeller is located in the first cavity of the volute; a second impeller disposed on the second output shaft of the dual-axis motor, and the second impeller is located in the second cavity of the volute.

[0028] In this embodiment, the blower further includes a dual-axis motor, a first impeller, and a second impeller. The dual-axis motor is inserted through the motor mounting hole of the motor mounting plate. The first impeller is connected to the first output shaft of the dual-axis motor, and the second impeller is connected to the second output shaft of the dual-axis motor. The first impeller is located in the first cavity, and the second impeller is located in the second cavity. Thus, the first output shaft of the dual-axis motor drives the first impeller in the first cavity to rotate, realizing the air intake and exhaust of the first cavity. The second output shaft of the dual-axis motor drives the second impeller in the second cavity to rotate, realizing the air intake and exhaust of the second cavity. The motor mounting hole is provided on the motor mounting plate, facilitating the positioning, installation, and fixation of the dual-axis motor, and reducing the assembly difficulty.

[0029] According to the third aspect of the present utility model, a household electrical appliance is proposed, including: a volute as proposed in the embodiments of the first aspect; or a blower as proposed in the embodiments of the second aspect.

[0030] The household electrical appliance proposed by the present utility model includes a volute as proposed in the embodiments of the first aspect; or a blower as proposed in the embodiments of the second aspect. Therefore, it has all the beneficial effects of the volute as proposed in the embodiments of the first aspect; or the blower as proposed in the embodiments of the second aspect, which will not be elaborated one by one herein.

[0031] The additional aspects and advantages of the present utility model will become apparent in the following description section, or be learned through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, where:

[0033] Figure 1 The structural schematic diagram of the volute provided by an embodiment of the present utility model is shown;

[0034] Figure 2 The structural schematic diagram of the volute body, the first side plate, and the second side plate in the volute provided by an embodiment of the present utility model is shown;

[0035] Figure 3 The exploded view of the volute body, the first side plate and the second side plate in the volute provided by one embodiment of the present utility model is shown;

[0036] Figure 4 The structural schematic diagram of the volute body, the first side plate and the second side plate in the volute provided by one embodiment of the present utility model is shown;

[0037] Figure 5 The sectional view of the volute body, the first side plate and the second side plate in the volute provided by one embodiment of the present utility model is shown;

[0038] Figure 6 The structural schematic diagram of the volute body and the flange in the volute provided by one embodiment of the present utility model is shown;

[0039] Figure 7 The sectional view of the volute provided by one embodiment of the present utility model is shown;

[0040] Figure 8 It is shown as Figure 7 The partial enlarged view of the A position of the volute shown;

[0041] Figure 9 It is shown as Figure 7 The partial enlarged view of the B position of the volute shown;

[0042] Figure 10 The sectional view of the fan provided by one embodiment of the present utility model is shown;

[0043] Figure 11 The sectional view of the partial structure of the fan provided by one embodiment of the present utility model is shown;

[0044] Figure 12 The structural schematic diagram of the double-shaft motor in the fan provided by one embodiment of the present utility model is shown.

[0045] Among them, Figures 1 to 12 The corresponding relationship between the reference numerals and the component names in the figure is:

[0046] 100 volute, 110 volute body, 112 motor mounting plate, 114 motor mounting hole, 116 enclosing plate, 118 first cavity, 120 second cavity, 122 air outlet, 124 third mating part, 126 fourth mating part, 130 flange, 140 first side plate, 142 first air inlet, 144 first mating part, 150 second side plate, 152 second air inlet, 154 second mating part, 200 fan, 210 double-shaft motor, 212 first output shaft, 214 second output shaft, 216 mounting ear, 220 first impeller, 230 second impeller. Detailed implementation manners

[0047] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0048] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the specific embodiments disclosed below.

[0049] The following will refer to Figures 1 to 12 to describe a volute 100, a fan 200 and an electrical device provided according to some embodiments of the present utility model.

[0050] As Figure 1 shown, according to a first aspect of the present utility model, the present utility model provides a volute 100. The volute 100 includes a volute main body 110, a flange 130, a first side plate 140 and a second side plate 150. The flange 130 is provided on the volute main body 110, and the entire volute 100 can be fixed through the flange 130. For example, the flange 130 has screw holes, and the volute 100 can be fixed by bolts.

[0051] Both sides of the volute main body 110 have openings, and the first side plate 140 and the second side plate 150 are provided on the openings, thereby forming the entire volute 100.

[0052] Among them, as Figure 3 and Figure 4 shown, the volute main body 110 includes a motor mounting plate 112. The motor mounting plate 112 is used for mounting a motor. The first side plate 140 is located in the first direction CD of the motor mounting plate 112, and the second side plate 150 is located in the second direction DC of the motor mounting plate 112. Among them, the first direction CD and the second direction DC may be two opposite directions.

[0053] The volute 100 provided by the present utility model includes a volute main body 110, a flange 130, a first side plate 140 and a second side plate 150. The volute main body 110 includes a motor mounting plate 112. The motor mounting plate 112 is used for mounting a motor. The first side plate 140 and the second side plate 150 are provided on the volute main body 110 and are located on both sides of the volute main body 110. The first side plate 140 is located in the first direction CD of the motor mounting plate 112, and the second side plate 150 is located in the second direction DC of the motor mounting plate 112, making the volute 100 a assembled part, thereby facilitating the production and manufacturing of the volute 100.

[0054] Moreover, the flange 130 is provided on the volute main body 110. That is, the flange 130 is a complete structure rather than an assembled part, thereby enhancing the strength of the flange 130 and improving the stability of the volute 100.

[0055] The volute 100 provided by the present utility model includes a volute main body 110, a first side plate 140, a second side plate 150, and a flange 130. The flange 130 is a complete structure, thereby enhancing the strength of the flange 130 and improving the strength of the volute 100. It can meet the manufacturability while increasing the strength of the flange 130 on the volute 100, thereby improving the reliability of the fan 200 and reducing the possibility of damage to the fan 200.

[0056] As Figure 1 、 Figure 5 and Figure 7 shown, in some embodiments, optionally, the volute main body 110 further includes an enclosing plate 116. The motor mounting plate 112 is disposed within the enclosing plate 116. Moreover, the enclosing plate 116 and the motor mounting plate 112 cooperate to form a first cavity 118 and a second cavity 120. That is, the motor mounting plate 112 divides the space within the enclosing plate 116 into the first cavity 118 and the second cavity 120. The first cavity 118 is located in the first direction CD of the motor mounting plate 112, and the second cavity 120 is located in the second direction DC of the motor mounting plate 112.

[0057] Among them, the first side plate 140 has a first air inlet 142. The first air inlet 142 is in communication with the first cavity 118. Thus, the first cavity 118 can suck air through the first air inlet 142 and discharge it through the air outlet 122 on the enclosing plate 116. The second side plate 150 has a second air inlet 152. The second air inlet 152 is in communication with the second cavity 120. Thus, the second cavity 120 can suck air through the second air inlet 152 and discharge it through the air outlet 122 on the enclosing plate 116.

[0058] Moreover, the flange 130 is provided on the enclosing plate 116.

[0059] In this embodiment, the volute main body 110 further includes an enclosing plate 116. The motor mounting plate 112 is disposed within the enclosing plate 116. That is, the volute main body 110 is formed by assembling two parts, namely the enclosing plate 116 and the motor mounting plate 112, which facilitates the production and manufacturing of the volute main body 110. After the motor mounting plate 112 and the enclosing plate 116 cooperate, the enclosing plate 116 and the motor mounting plate 112 enclose the first cavity 118 and the second cavity 120. The first cavity 118 is located in the first direction CD of the motor mounting plate 112, and the second cavity 120 is located in the second direction DC of the motor mounting plate 112, thereby making the volute 100 a double-suction volute.

[0060] A first air inlet 142 is provided on the first side plate 140. The first air inlet 142 communicates with the first cavity 118. A second air inlet 152 is provided on the second side plate 150. The second air inlet 152 communicates with the second cavity 120. An air outlet 122 is provided on the shroud 116. Thus, air flow can enter the first cavity 118 through the first air inlet 142 and then be discharged through the air outlet 122. The air flow can also enter the second cavity 120 through the second air inlet 152 and then be discharged through the air outlet 122.

[0061] Moreover, a flange 130 is provided on the shroud 116 to fix the volute 100.

[0062] Specifically, the shroud 116 can be formed by bending a plate-like structure, thereby reducing the processing difficulty of the shroud 116. Among them, the motor mounting plate 112 and the shroud 116 can be connected by welding.

[0063] The air outlet 122 on the shroud 116 can be connected to the shroud 116 by welding. Among them, the motor mounting plate 112 can divide the air outlet 122 into a first air outlet and a second air outlet. The first air outlet communicates with the first cavity 118, and the second air outlet communicates with the second cavity 120.

[0064] Among them, the flange 130 is provided at the air outlet 122.

[0065] Such as Figure 1 and Figure 2 As shown, in some embodiments, optionally, the motor mounting plate 112 has a motor mounting hole 114 for placing the dual-shaft motor 210.

[0066] In this embodiment, a motor mounting hole 114 is provided on the motor mounting plate 112 for placing the dual-shaft motor 210. Thus, the first output shaft 212 of the dual-shaft motor 210 drives the first impeller 220 in the first cavity 118 to rotate, realizing the air intake and exhaust of the first cavity 118. The second output shaft 214 of the dual-shaft motor 210 drives the second impeller 230 in the second cavity 120 to rotate, realizing the air intake and exhaust of the second cavity 120. Providing the motor mounting hole 114 on the motor mounting plate 112 facilitates the positioning, installation, and fixation of the dual-shaft motor 210 and reduces the assembly difficulty.

[0067] After the dual-shaft motor 210 is installed on the motor mounting plate 112, the first output shaft 212 of the dual-shaft motor 210 is located in the first cavity 118, and the second output shaft 214 of the dual-shaft motor 210 is located in the second cavity 120.

[0068] The motor mounting hole 114 can be a round hole or a polygonal hole, etc., which is adapted to the dual-shaft motor 210.

[0069] As Figure 8 shown, in some embodiments, optionally, the first side plate 140 includes a first mating portion 144, the volute main body 110 includes a third mating portion 124, and the first mating portion 144 and the third mating portion 124 form a sealed mating of multiple surfaces.

[0070] In this embodiment, the first side plate 140 includes a first mating portion 144, the volute main body 110 includes a third mating portion 124, the first mating portion 144 and the third mating portion 124 are adapted to each other, and after the first mating portion 144 and the third mating portion 124 are attached, a sealed mating of multiple surfaces is formed, thereby improving the sealing performance between the first side plate 140 and the volute main body 110.

[0071] Specifically, the edge of the first side plate 140 forms the first mating portion 144, the edge of the volute main body 110 corresponding to the first side plate 140 forms the third mating portion 124, and after the first side plate 140 is installed on the volute main body 110, the first mating portion 144 and the third mating portion 124 are adapted to each other.

[0072] As Figure 8 shown, in some embodiments, optionally, both the first mating portion 144 and the third mating portion 124 are stepped structures or tooth-like structures.

[0073] In this embodiment, both the first mating portion 144 and the third mating portion 124 are stepped structures or tooth-like structures, thereby increasing the sealing surfaces of the first mating portion 144 and the third mating portion 124, and the stepped structure or tooth-like structure is easy to produce, reducing the processing difficulty of the volute 100.

[0074] As Figure 9 shown, in some embodiments, optionally, the second side plate 150 includes a second mating portion 154, the volute main body 110 includes a fourth mating portion 126, and the second mating portion 154 and the fourth mating portion 126 form a sealed mating of multiple surfaces.

[0075] In this embodiment, the second side plate 150 includes a second mating portion 154, the volute main body 110 includes a fourth mating portion 126, the second mating portion 154 and the fourth mating portion 126 are adapted to each other, and after the second mating portion 154 and the fourth mating portion 126 are attached, a sealed mating of multiple surfaces is formed, thereby improving the sealing performance between the second side plate 150 and the volute main body 110, and thus improving the performance of the blower 200.

[0076] Specifically, the edge of the second side plate 150 forms the second mating portion 154, the edge of the volute main body 110 corresponding to the second side plate 150 forms the fourth mating portion 126, and after the second side plate 150 is installed on the volute main body 110, the second mating portion 154 and the fourth mating portion 126 are adapted to each other.

[0077] As Figure 9 shown, in some embodiments, optionally, both the second mating portion 154 and the fourth mating portion 126 are stepped structures or toothed structures.

[0078] In this embodiment, both the second mating portion 154 and the fourth mating portion 126 are stepped structures or toothed structures, thereby increasing the sealing surfaces of the second mating portion 154 and the fourth mating portion 126. Moreover, the stepped structure or the toothed structure is easy to produce, reducing the processing difficulty of the volute 100.

[0079] In some embodiments, optionally, the first side plate 140 is snap - connected to or bolt - connected to the volute body 110.

[0080] In this embodiment, the fixing manner of the first side plate 140 and the volute body 110 can be snap - connection or bolt - connection, thereby enhancing the connection strength between the first side plate 140 and the volute body 110. Moreover, it is convenient for the disassembly and assembly of the volute 100, and for the installation and maintenance of the fan 200.

[0081] In some embodiments, optionally, the second side plate 150 is snap - connected to or bolt - connected to the volute body 110.

[0082] In this embodiment, the fixing manner of the second side plate 150 and the volute body 110 can be snap - connection or bolt - connection, thereby enhancing the connection strength between the second side plate 150 and the volute body 110. Moreover, it is convenient for the disassembly and assembly of the volute 100, and for the installation and maintenance of the fan 200.

[0083] As Figure 1 and Figure 6 shown, in some embodiments, optionally, the flange 130 protrudes from the first side plate 140 in the first direction CD of the motor mounting plate 112.

[0084] In this embodiment, the flange 130 protrudes from the first side plate 140 in the first direction CD of the motor mounting plate 112, thereby increasing the effective area of the flange 130 and enhancing the stability of the volute 100 after installation.

[0085] As Figure 1 and Figure 6 shown, in some embodiments, optionally, the flange 130 protrudes from the second side plate 150 in the second direction DC of the motor mounting plate 112.

[0086] In this embodiment, the flange 130 protrudes from the second side plate 150 in the second direction DC of the motor mounting plate 112, thereby increasing the effective area of the flange 130 and enhancing the stability of the volute 100 after installation.

[0087] In some embodiments, optionally, the flange 130 may be a polygonal plate-like structure, a circular plate-like structure, an elliptical plate-like structure, etc. The flange 130 has through holes to facilitate the passing of bolts.

[0088] As Figure 10 and Figure 11 shown, according to the second aspect of the present invention, the present invention provides a fan 200, comprising: a volute 100 as proposed in the embodiment of the first aspect.

[0089] The fan 200 provided by the present invention includes the volute 100 as provided in the embodiment of the first aspect. Therefore, it has all the beneficial effects of the volute 100 as proposed in the embodiment of the first aspect, which will not be elaborated one by one here.

[0090] As Figure 10 、 Figure 11 and Figure 12 shown, in some embodiments, optionally, the fan 200 further includes a biaxial motor 210, a first impeller 220 and a second impeller 230. The first impeller 220 is arranged on the first output shaft 212 of the biaxial motor 210, and the second impeller 230 is arranged on the second output shaft 214 of the biaxial motor 210. The biaxial motor 210 is arranged in the motor mounting hole 114 of the motor mounting plate 112 of the volute 100. The biaxial motor 210 has mounting ears 216, and the mounting ears 216 are connected to the motor mounting plate 112. The mounting ears 216 and the motor mounting plate 112 can be fixed by bolts.

[0091] The first impeller 220 is located in the first cavity 118 of the volute 100, and can suck air into the first cavity 118 and discharge it from the first cavity 118. The second impeller 230 is located in the second cavity 120 of the volute 100, and can suck air into the second cavity 120 and discharge it from the second cavity 120.

[0092] In this embodiment, the fan 200 further includes a biaxial motor 210, a first impeller 220 and a second impeller 230. The biaxial motor 210 is inserted into the motor mounting hole 114 of the motor mounting plate 112. The first impeller 220 is connected to the first output shaft 212 of the biaxial motor 210, and the second impeller 230 is connected to the second output shaft 214 of the biaxial motor 210. The first impeller 220 is located in the first cavity 118, and the second impeller 230 is located in the second cavity 120. Thus, the first output shaft 212 of the biaxial motor 210 drives the first impeller 220 in the first cavity 118 to rotate, realizing the air intake and exhaust of the first cavity 118. The second output shaft 214 of the biaxial motor 210 drives the second impeller 230 in the second cavity 120 to rotate, realizing the air intake and exhaust of the second cavity 120. The motor mounting hole 114 is provided on the motor mounting plate 112, which facilitates the positioning, installation and fixing of the biaxial motor 210 and reduces the assembly difficulty.

[0093] The fan 200 provided by the present utility model includes: a volute 100, a dual-axis motor 210, a first impeller 220, and a second impeller 230. The motor is arranged inside the volute 100. The central region of the first impeller 220 has a first shaft hole, and the first output shaft 212 of the dual-axis motor 210 passes through the first shaft hole. The central region of the second impeller 230 has a second shaft hole, and the second output shaft 214 of the dual-axis motor 210 passes through the second shaft hole.

[0094] The volute 100 includes a volute main body 110, a first side plate 140, and a second side plate 150. The first side plate 140 has a first air inlet 142, the second side plate 150 has a second air inlet 152, the volute main body 110 has an air outlet 122. The volute 100 includes a motor mounting plate 112, and the motor mounting plate 112 has a motor mounting hole 114. The dual-axis motor 210 is arranged inside the motor mounting hole 114.

[0095] A plurality of mounting ears 216 are provided on the dual-axis motor 210, and the mounting ears 216 and the motor mounting plate 112 are fixedly installed by bolts.

[0096] A complete flange 130 is provided on the volute main body 110. The first side plate 140 and the volute main body 110 are connected and communicated through a buckle. The second side plate 150 and the volute main body 110 are connected and communicated through a buckle. There are a plurality of contact surfaces between the first side plate 140 and the volute main body 110 to form a structure similar to a labyrinth between the two, thereby improving the sealing effect between the two. There are a plurality of contact surfaces between the second side plate 150 and the volute main body 110 to form a structure similar to a labyrinth between the two, thereby improving the sealing effect between the two.

[0097] The fan 200 provided herein is a double-suction centrifugal fan. The middle part of the volute 100 has a motor mounting plate 112, and the motor mounting plate 112 has a motor mounting hole 114. The motor mounting hole 114 is used to place the dual-axis motor 210.

[0098] A plurality of protruding mounting ears 216 are arranged in the circumferential direction of the dual-axis motor 210. When installing the dual-axis motor 210, the dual-axis motor 210 passes through the motor mounting hole 114, and the mounting ears 216 are fixed on the motor mounting plate 112. For the volute 100 and the fan 200 provided by the present utility model, the volute 100 includes a first side plate 140, a volute main body 110, and a second side plate 150. A complete flange 130 is provided on the volute main body 110, thereby improving the strength of the volute 100. The first side plate 140 and the second side plate 150 are installed on the volute main body 110 by a clamping method. The contact surfaces between the first side plate 140 and the second side plate 150 and the volute main body 110 adopt a labyrinth structure to ensure that the high-pressure gas inside the volute 100 will not leak from the contact surfaces.

[0099] According to a third aspect of the present utility model, there is provided an electrical appliance, comprising: a volute 100 as proposed in the embodiment of the first aspect; or a blower 200 as proposed in the embodiment of the second aspect.

[0100] The electrical appliance proposed by the present utility model includes the volute 100 as proposed in the embodiment of the first aspect; or the blower 200 as proposed in the embodiment of the second aspect. Therefore, it has all the beneficial effects of the volute 100 as proposed in the embodiment of the first aspect; or the blower 200 as proposed in the embodiment of the second aspect, and will not be elaborated one by one herein.

[0101] Specifically, the electrical appliance includes an air conditioner, a range hood, an integrated stove, etc.

[0102] In the present utility model, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. Terms such as "installed", "connected", "connected to", and "fixed" should all be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0103] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or units referred to must have a specific direction, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model.

[0104] In the description of this specification, the description of terms such as "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0105] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various changes and modifications can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A volute, characterized in that, Comprising: A volute main body, the volute main body including a motor mounting plate; A flange, provided on the volute main body; A first side plate, provided on the volute main body, the first side plate being located in a first direction of the motor mounting plate; A second side plate, provided on the volute main body, the second side plate being located in a second direction of the motor mounting plate.

2. The volute according to claim 1, wherein, The volute main body further includes: A surrounding plate, the motor mounting plate being provided within the surrounding plate, the surrounding plate and the motor mounting plate cooperating to form a first cavity and a second cavity; Wherein, the first side plate has a first air inlet, the first air inlet communicating with the first cavity, the second side plate has a second air inlet, the second air inlet communicating with the second cavity, the surrounding plate has an air outlet, the air outlet communicating with the first cavity and the second cavity, and the flange is provided on the surrounding plate.

3. The volute according to claim 2, wherein The motor mounting plate has motor mounting holes for placing a dual-axis motor.

4. The volute according to any one of claims 1 to 3, wherein The first side plate includes a first mating portion, the volute main body includes a third mating portion, the first mating portion and the third mating portion forming a multi-faceted sealing fit; The second side plate includes a second mating portion, the volute main body includes a fourth mating portion, the second mating portion and the fourth mating portion forming a multi-faceted sealing fit.

5. The volute according to claim 4, wherein Both the first mating portion and the third mating portion are stepped structures or toothed structures; Both the second mating portion and the fourth mating portion are stepped structures or toothed structures.

6. The volute according to any one of claims 1 to 3, wherein The first side plate and the volute main body are snap-connected or connected by bolts; The second side plate and the volute main body are snap-connected or connected by bolts.

7. The volute according to any one of claims 1 to 3, wherein The flange protrudes from the first side plate in the first direction of the motor mounting plate; The flange protrudes from the second side plate in the second direction of the motor mounting plate.

8. A fan, characterized in that, Comprising: The volute according to any one of claims 1 to 7.

9. The fan according to claim 8, wherein, Further comprising: A dual-axis motor, disposed in the motor mounting holes of the motor mounting plate of the volute, the dual-axis motor having mounting ears, the mounting ears being connected to the motor mounting plate; A first impeller, provided on the first output shaft of the dual-axis motor, the first impeller being located in the first cavity of the volute; A second impeller, provided on the second output shaft of the dual-axis motor, the second impeller being located in the second cavity of the volute.

10. An electrical device, characterized in that, Comprising: The volute according to any one of claims 1 to 7; Or The blower according to claim 8 or 9.

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