Fan blade assembly and duct type air conditioner

Abstract

The utility model discloses a fan blade assembly and a duct type air conditioner, the fan blade assembly comprises a plurality of wind wheels, and the wind wheels are sequentially arranged at intervals in the axial direction; the connecting assembly comprises a first connecting shaft, the first connecting shaft and the wind wheels are coaxially arranged, the first connecting shaft is arranged between the two adjacent wind wheels, and the two ends of the first connecting shaft are fixedly connected with the two wind wheels in a non-detachable mode respectively. Therefore, the first connecting shaft is directly and fixedly connected with the wind wheels located at the two axial ends of the first connecting shaft in a non-detachable mode, so that the arrangement of parts of the fan blade assembly is simplified, the production cost of the fan blade assembly is effectively reduced, the installation procedure of the fan blade assembly can be simplified, and the installation efficiency of the fan blade assembly can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning equipment, in particular to a fan blade assembly and a duct machine. Background Art

[0002] In the related art, adjacent wind wheels are connected via connecting shafts and couplings, which results in complex parts of the wind blade assembly and many installation steps, affecting the production and assembly efficiency of the wind blade assembly and resulting in high production costs of the wind blade assembly. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a fan blade assembly and a duct machine, wherein the parts of the fan blade assembly are simply arranged.

[0004] A fan blade assembly comprises: a plurality of wind wheels, the plurality of wind wheels are arranged in sequence and spaced apart in the axial direction; a connecting assembly, the connecting assembly comprises a first connecting shaft, the first connecting shaft is coaxially arranged with the wind wheels and is arranged between two adjacently arranged wind wheels, and the two ends of the first connecting shaft are respectively and irremovably fixedly connected to the two wind wheels.

[0005] According to the fan blade assembly of the utility model, the first connecting shaft is directly and inseparably fixedly connected to the wind wheels located at its axial ends to simplify the arrangement of the parts of the fan blade assembly, effectively reduce the production cost of the fan blade assembly, simplify the installation process of the fan blade assembly, and improve the installation efficiency of the fan blade assembly.

[0006] According to some embodiments of the present invention, there are at least three wind wheels, and the plurality of wind wheels are arranged at equal intervals in the axial direction.

[0007] According to some embodiments of the utility model, the connecting assembly also includes: a second connecting shaft, the second connecting shaft is arranged on one side of the plurality of wind wheels in the axial direction, and the second connecting shaft is coaxially arranged and connected to the wind wheel located at the end in the arrangement direction, and the second connecting shaft is used to connect to the motor power.

[0008] According to some embodiments of the present invention, a flexible connector is provided at an axial end of the second connecting shaft away from the wind wheel, and the flexible connector is connected between the second connecting shaft and the motor.

[0009] According to some embodiments of the utility model, a transmission shaft section is provided at the axial end of the second connecting shaft away from the wind wheel, and the flexible connecting member is constructed as a rubber coupling, which is respectively connected to the transmission shaft section and the motor shaft.

[0010] According to some embodiments of the present invention, the flexible connecting member is constructed as a rubber insert, which is embedded in the second connecting shaft and connected to the motor shaft of the motor.

[0011] According to some embodiments of the utility model, the connecting assembly also includes: a third connecting shaft, the third connecting shaft is arranged on the other side of the plurality of wind wheels in the axial direction, and the third connecting shaft is coaxially arranged and connected to the wind wheel located at the other end in the arrangement direction, and the third connecting shaft is used to connect and cooperate with the support member.

[0012] According to some embodiments of the present utility model, a supporting shaft is provided at an axial end of the third connecting shaft away from the wind wheel.

[0013] According to some embodiments of the present invention, first positioning portions are respectively provided at both ends of the first connecting shaft, and the first positioning portions are used to cooperate with the wind wheel in positioning.

[0014] According to some embodiments of the present invention, the first positioning portion is configured as a positioning groove, the wind wheel is provided with a positioning protrusion, and the positioning groove is positioned and matched with the positioning protrusion.

[0015] According to some embodiments of the present invention, the end of the first connecting shaft is welded and fixed to the wind wheel.

[0016] Another object of the present invention is to provide a duct air conditioner.

[0017] A duct machine comprises the above-mentioned fan blade assembly.

[0018] The advantages of the duct machine are the same as those of the above-mentioned fan blade assembly, which will not be described in detail here.

[0019] According to some embodiments of the utility model, the air duct machine also includes a shell assembly, the fan blade assembly is installed on the shell assembly, and the shell assembly includes: a first shell, the first shell is formed with a plurality of wind wheel mounting parts arranged in sequence along a first direction, each wind wheel mounting part has an air outlet; a plurality of second shells, the plurality of second shells are respectively connected to the plurality of wind wheel mounting parts, and respectively form installation cavities, and a wind wheel can be arranged in each installation cavity.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 This is a disassembled diagram of the wind wheel, the first connecting shaft and the second connecting shaft according to an embodiment of the utility model;

[0023] Figure 2 for Figure 1 A cross-sectional view of

[0024] Figure 3 The schematic diagram of the cooperation between the fan blade assembly and the motor described in the embodiment of the utility model is shown in FIG. Figure 1 ;

[0025] Figure 4 The schematic diagram of the cooperation between the fan blade assembly and the motor described in the embodiment of the utility model is shown in FIG. Figure 2 ;

[0026] Figure 5 The explosion of the air duct machine described in the embodiment of the utility model Figure 1 ;

[0027] Figure 6 The explosion of the air duct machine described in the embodiment of the utility model Figure 2 , wherein the duct machine is provided with a partition;

[0028] Figure 7 It is a schematic diagram of the assembly of the first shell, the motor and the motor mounting matching part described in an embodiment of the utility model.

[0029] Reference numerals:

[0030] Duct machine 10, chassis 110, air outlet frame 111,

[0031] Shell assembly 120, first shell 121, wind wheel mounting portion 1211, air outlet 1212, motor mounting portion 1213, bearing seat mounting portion 1214, axial air inlet 1215, bottom plate 1216, support beam 1217, bearing seat 1218,

[0032] The second shell 122,

[0033] Partition 130, ventilation hole 131,

[0034] The fan blade assembly 200, the fan wheel 210, the positioning protrusion 211,

[0035] Connecting assembly 220, first connecting shaft 221, first positioning portion 2211, reinforcing rib 2212,

[0036] The second connecting shaft 222, the transmission shaft section 2221, the third connecting shaft 223, the supporting shaft 2231,

[0037] Flexible connector 230,

[0038] The motor 300 and the motor mounting fitting portion 400 . DETAILED DESCRIPTION

[0039] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0040] In the description of the present invention, it should be understood that the terms "center", "inside", "outside", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] Reference below Figure 1-Figure 4 A fan blade assembly 200 according to an embodiment of the present invention is described.

[0043] Combination Figures 1 to 4 According to the utility model, the wind blade assembly 200 includes: a plurality of wind wheels 210, which are arranged in sequence and spaced apart in the axial direction; a connecting assembly 220, which includes a first connecting shaft 221, which is coaxially arranged with the wind wheel 210 and is arranged between two adjacently arranged wind wheels 210, and the two ends of the first connecting shaft 221 are respectively and irremovably fixedly connected to the two wind wheels 210.

[0044] Specifically, a plurality of wind wheels 210 are arranged along the axial direction, a first connecting shaft 221 is arranged between every two adjacent wind wheels 210, and the first connecting shaft 221 is arranged coaxially with the wind wheel 210, that is, wind wheels 210 are arranged at both axial ends of the first connecting shaft 221, and two adjacent wind wheels 210 can be fixedly connected by the first connecting shaft 221, and the first connecting shaft 221 and the wind wheel 210 are non-detachable.

[0045] In the related art, adjacent wind wheels are fixedly connected via connecting shafts and couplings, which results in complex parts of the wind blade assembly and many installation steps, affecting the production and assembly efficiency of the wind blade assembly and resulting in high production costs of the wind blade assembly.

[0046] The present application sets a first connecting shaft 221 between two adjacent wind wheels 210, and the first connecting shaft 221 can be directly and non-detachably fixedly connected to the wind wheels 210 located at both ends thereof, without setting a coupling, so as to simplify the component settings of the fan blade assembly 200, effectively reduce the production cost of the fan blade assembly 200, and simplify the installation process of the fan blade assembly 200, thereby improving the production and installation efficiency of the fan blade assembly 200.

[0047] According to the fan blade assembly 200 of the utility model, the first connecting shaft 221 is directly and inseparably fixedly connected to the wind wheel 210 located at its axial ends to simplify the component arrangement of the fan blade assembly 200, effectively reduce the production cost of the fan blade assembly 200, simplify the installation process of the fan blade assembly 200, and improve the installation efficiency of the fan blade assembly 200.

[0048] In some embodiments of the present invention, there are at least three wind wheels 210, and the plurality of wind wheels 210 are arranged at equal intervals in the axial direction.

[0049] Specifically, at least three wind wheels 210 are provided, for example, the wind blade assembly 200 can be provided with three wind wheels 210, four wind wheels 210, etc., to improve the air supply capacity of the wind blade assembly 200. Every two wind wheels 210 are fixedly connected by a first connecting shaft 221, which is beneficial to ensure the coaxiality between the multiple wind wheels 210.

[0050] Furthermore, the plurality of wind wheels 210 are arranged at equal intervals in the axial direction to ensure the uniformity of the air outlet of the wind blade assembly 200 and improve the air outlet effect of the wind blade assembly 200 .

[0051] It is understandable that the number of wind wheels 210 can be determined according to actual wind output requirements and is not specifically limited here.

[0052] Combination Figure 3 and Figure 4In some embodiments of the utility model, the connecting assembly 220 also includes: a second connecting shaft 222, the second connecting shaft 222 is arranged on one side of the multiple wind wheels 210 in the axial direction, and the second connecting shaft 222 is coaxially arranged and connected to the wind wheel 210 located at the end in the arrangement direction, and the second connecting shaft 222 is used to be connected to the motor 300 for power connection.

[0053] Specifically, multiple wind wheels 210 and the first connecting shaft 221 are coaxially arranged in the axial direction, the second connecting shaft 222 is connected to the side of the wind wheel 210 located at the axial end of the multiple wind wheels 210 away from the first connecting shaft 221, the motor 300 is arranged on the same side as the second connecting shaft 222, and the motor 300 can drive the second connecting shaft 222 to rotate, the second connecting shaft 222 can drive the wind wheel 210 connected thereto to rotate, and the multiple wind wheels 210 are fixedly connected by the first connecting shaft 221, so that the motor 300 can drive the multiple wind wheels 210 to rotate synchronously.

[0054] In the related art, the motor is arranged between two wind wheels, resulting in the spacing between the wind wheels on both sides of the motor being larger than the spacing between the other adjacent wind wheels, that is, the spacing between the multiple wind wheels is different, which affects the uniformity of the air output of the fan blade assembly.

[0055] In the present application, multiple wind wheels 210 are connected via a first connecting shaft 221, and the motor 300 is disposed on one side of the multiple wind wheels 210 in the axial direction, so as to facilitate the assembly of the multiple wind wheels 210 while ensuring that the spacing between the multiple wind wheels 210 is the same, thereby further ensuring the uniformity of the air output of the fan blade assembly 200.

[0056] Furthermore, the second connecting shaft 222 is coaxially arranged with the multiple wind wheels 210 , which is beneficial to ensuring that the second connecting shaft 222 drives the multiple wind wheels 210 to rotate, and is beneficial to reducing the risk of fracture at the connection between the second connecting shaft 222 and the wind wheel 210 .

[0057] Combination Figure 3 and Figure 4 In some embodiments of the present invention, a flexible connector 230 is provided at the axial end of the second connecting shaft 222 away from the wind wheel 210 , and the flexible connector 230 is connected between the second connecting shaft 222 and the motor 300 .

[0058] Specifically, the second connecting shaft 222 is connected to the motor 300 through the flexible connecting member 230 to achieve a flexible connection between the second connecting shaft 222 and the motor 300, effectively preventing the second connecting shaft 222 from vibrating, reducing the wear and vibration noise of the second connecting shaft 222, thereby preventing the wind wheel 210 from vibrating and reducing the noise generated when the wind blade assembly 200 is working.

[0059] like Figure 3As shown, in some embodiments of the present invention, a transmission shaft section 2221 is provided at the axial end of the second connecting shaft 222 away from the wind wheel 210, and the flexible connecting member 230 is constructed as a rubber coupling, which is respectively connected to the transmission shaft section 2221 and the motor 300 shaft of the motor 300.

[0060] Specifically, the end of the transmission shaft section 2221 away from the wind wheel 210 is connected to the rubber coupling, and the end of the motor 300 shaft close to the wind wheel 210 is connected to the rubber coupling. By setting the rubber coupling, it is convenient to achieve the concentric installation of the transmission shaft end and the motor 300 shaft to ensure the transmission effect, and the rubber coupling can effectively absorb vibration impact and reduce the noise generated by vibration.

[0061] Optionally, the transmission shaft segment 2221 can be integrally formed with the second connecting shaft 222 to simplify the assembly process of the fan blade assembly 200; the transmission shaft segment 2221 can be separately set and connected to the second connecting shaft 222 to facilitate the processing of the second connecting shaft 222 and the transmission shaft segment 2221, effectively reducing the processing difficulty of the second connecting shaft 222 and the transmission shaft segment 2221.

[0062] Reference Figure 4 In some embodiments of the present invention, the flexible connecting member 230 is constructed as a rubber insert, which is embedded in the second connecting shaft 222 and connected to the motor shaft 300 of the motor 300 .

[0063] Specifically, the end of the second connecting shaft 222 facing away from the wind wheel 210 is open, and the rubber insert is embedded in the open end of the second connecting shaft 222 and is fixedly connected to the second connecting shaft 222. The motor 300 shaft of the motor 300 can be plugged into the rubber insert and connected to the rubber insert, so that the motor 300 shaft can be flexibly connected to the second connecting shaft 222 through the rubber insert to prevent the wind wheel 210 from vibrating and reduce the noise generated when the fan blade assembly 200 is working.

[0064] In addition, since the rubber insert is embedded on the second connecting shaft 222, that is, the second connecting shaft 222 can provide a mounting position for the rubber insert, there is no need to design an assembly space for the rubber insert in the axial direction, which is beneficial to shortening the axial dimension of the fan blade assembly 200 and reducing the axial space required for arranging the fan blade assembly 200.

[0065] Combination Figures 1 to 4 In some embodiments of the utility model, the connecting assembly 220 also includes: a third connecting shaft 223, the third connecting shaft 223 is arranged on the other side of the multiple wind wheels 210 in the axial direction, and the third connecting shaft 223 is coaxially arranged and connected to the wind wheel 210 located at the other end in the arrangement direction, and the third connecting shaft 223 is used to connect and cooperate with the support member.

[0066] Specifically, multiple wind wheels 210 and the third connecting shaft 223 are coaxially arranged in the axial direction, and the third connecting shaft 223 is connected to the wind wheel 210 that is away from the second connecting shaft 222 and located at the end among the multiple wind wheels 210, and the third connecting shaft 223 is connected to the side of the wind wheel 210 away from the first connecting shaft 221, and the third connecting shaft 223 is connected and cooperated with a supporting member (for example: a bearing or a supporting seat) to facilitate the rotation of the third connecting shaft 223 and reduce the wear of the third connecting shaft 223.

[0067] Furthermore, the first connecting shaft 221, the second connecting shaft 222, the third connecting shaft 223 and the plurality of wind wheels 210 are coaxially arranged, which is beneficial to ensuring the rotation effect of the wind blade assembly 200 and can prevent the wind blade assembly 200 from breaking due to shear force during rotation.

[0068] Combination Figures 1 to 4 In some embodiments of the utility model, a supporting shaft 2231 is provided at the axial end of the third connecting shaft 223 away from the wind wheel 210, and the supporting shaft 2231 is used to connect and cooperate with the supporting member. For example, a bearing can be provided on the supporting shaft 2231. When the motor 300 drives multiple wind wheels 210 to rotate, the wind wheel 210 drives the third connecting shaft 223 and the supporting shaft 2231 to rotate. The bearing can support the rotation of the supporting shaft 2231 and can reduce the friction of the supporting shaft 2231 when it rotates, so that the rotation of the supporting shaft 2231 is smoother.

[0069] Optionally, the support shaft 2231 can be integrally formed with the third connecting shaft 223 to simplify the assembly process of the fan blade assembly 200; the support shaft 2231 can be separately set and connected to the third connecting shaft 223 to facilitate the processing of the third connecting shaft 223 and the support shaft 2231, effectively reducing the processing difficulty of the third connecting shaft 223 and the support shaft 2231.

[0070] Combination Figure 2 and Figure 3 In some embodiments of the utility model, first positioning portions 2211 are respectively provided at both ends of the first connecting shaft 221, and the first positioning portions 2211 are used to position and cooperate with the wind wheel 210 to facilitate the positioning and installation of the first connecting shaft 221 and the wind wheel 210, which is beneficial to ensure the coaxiality between the first connecting shaft 221 and multiple wind wheels 210, and ensure the assembly accuracy of the fan blade assembly 200.

[0071] Combination Figure 2 and Figure 3 In some embodiments of the present invention, the first positioning portion 2211 is configured as a positioning groove, the wind wheel 210 is provided with a positioning protrusion 211 , and the positioning groove and the positioning protrusion 211 are positioned and matched.

[0072] Specifically, the positioning groove is recessed into the first connecting shaft 221 along the axial direction at the end of the first connecting shaft 221, and positioning protrusions 211 are formed on the end faces of the wind wheel 210 on both sides in the axial direction. The positioning protrusion 211 extends along the axial direction away from the wind wheel 210, and the positioning protrusion 211 can be inserted into the positioning groove to achieve the positioning match between the positioning groove and the positioning protrusion 211, thereby facilitating the positioning match between the first connecting shaft 221 and the wind wheel 210, ensuring the assembly accuracy of the wind wheel 210 and the first connecting shaft 221, and facilitating the coaxiality between multiple wind wheels 210 and the first connecting shaft 221.

[0073] In some embodiments of the utility model, a second positioning portion is provided at the end of the second connecting shaft 222 opposite to the wind wheel 210, and the second positioning portion is used to position and cooperate with the wind wheel 210 arranged adjacent to it. A third positioning portion is provided at the end of the third connecting shaft 223 opposite to the wind wheel 210, and the third positioning portion is used to position and cooperate with the wind wheel 210 arranged adjacent to it.

[0074] Among them, the second positioning portion and the third positioning portion can be constructed as positioning grooves, so that the second positioning portion and the third positioning portion can be positioned and matched with the positioning protrusion 211 on the wind wheel 210 to ensure the assembly accuracy of the wind blade assembly 200, and it is beneficial to ensure the coaxiality of the wind blade assembly 200.

[0075] It should be noted that the above-mentioned positioning and matching method is only one embodiment of the present utility model. The first connecting shaft 221, the second connecting shaft 222 and the third connecting shaft 223 can also be positioned and matched with the wind wheel 210 in other ways. As long as the coaxiality between the first connecting shaft 221, the second connecting shaft 222, the third connecting shaft 223 and the multiple wind wheels 210 is ensured, the specific positioning and matching method is not limited here.

[0076] In some embodiments of the utility model, the end of the first connecting shaft 221 is welded and fixed to the wind wheel 210. Specifically, the end of the first connecting shaft 221 can be fixed to the axial end face of the wind wheel 210 by ultrasonic welding to ensure the connection reliability between the first connecting shaft 221 and the wind wheel 210, and there is no need to set a connecting part for connecting the first connecting shaft 221 to the wind wheel 210, which is beneficial to reducing the component settings of the fan blade assembly 200 and reducing the production cost of the fan blade assembly 200.

[0077] It should be noted that the specific fixing method between the first connecting shaft 221 and the wind wheel 210 can be determined according to actual production and assembly requirements, and is not specifically limited here, as long as the first connecting shaft 221 and the wind wheel 210 are non-detachably fixed.

[0078] Combination Figure 1 and Figure 2In some embodiments of the utility model, flange structures are provided at both axial ends of the first connecting shaft 221. The flange structures extend along the circumferential direction of the first connecting shaft 221 and are perpendicular to the axis of the first connecting shaft 221. The flange structures can increase the connection area between the first connecting shaft 221 and the wind wheel 210, which is beneficial to improving the connection reliability between the wind wheel 210 and the first connecting shaft 221.

[0079] Further references Figure 1 A reinforcing rib 2212 is provided between the outer peripheral wall of the first connecting shaft 221 and the flange structure, and the reinforcing rib 2212 connects the first connecting shaft 221 with the flange structure, and the reinforcing rib 2212 is constructed in a triangular shape to be supported between the flange structure and the outer peripheral wall of the first connecting shaft 221, thereby improving the structural strength between the flange structure and the first connecting shaft 221 and preventing the flange structure from folding or damage.

[0080] Furthermore, a plurality of reinforcing ribs 2212 are provided, and the plurality of reinforcing ribs 2212 are evenly spaced in the circumferential direction of the first connecting shaft 221 , so as to further improve the structural strength between the flange structure and the first connecting shaft 221 .

[0081] In some embodiments of the present invention, the structure of the end of the second connecting shaft 222 and the third connecting shaft 223 close to the wind wheel 210 can be the same as the structure of the end of the first connecting shaft 221, that is, the end of the second connecting shaft 222 and the third connecting shaft 223 close to the wind wheel 210 is provided with a flange structure and a reinforcement structure, and the connection method of the second connecting shaft 222 and the third connecting shaft 223 to the wind wheel 210 can be the same as the connection method of the first connecting shaft 221 to the wind wheel 210, so as to facilitate the processing and assembly of the wind blade assembly 200, which will not be repeated here.

[0082] The duct machine 10 according to the present invention includes the above-mentioned fan blade assembly 200 .

[0083] Since the duct machine 10 is provided with the above-mentioned fan blade assembly 200, the first connecting shaft 221 is directly fixedly connected to the wind wheel 210 located at its axial ends to simplify the component arrangement of the fan blade assembly 200, effectively reduce the production cost of the fan blade assembly 200, simplify the installation process of the fan blade assembly 200, and improve the installation efficiency of the fan blade assembly 200.

[0084] Refer to the following Figures 5 to 7 The duct machine 10 according to an embodiment of the present invention is described.

[0085] Combination Figure 5 and Figure 7In some embodiments of the utility model, the air duct machine 10 also includes a shell assembly 120, the fan blade assembly 200 is installed on the shell assembly 120, and the shell assembly 120 includes: a first shell 121, the first shell 121 is formed with a plurality of wind wheel mounting parts 1211 arranged in sequence along a first direction, each wind wheel mounting part 1211 has an air outlet 1212; a plurality of second shells 122, the plurality of second shells 122 are respectively connected to the plurality of wind wheel mounting parts 1211, and respectively form mounting cavities, each mounting cavity can be arranged with a wind wheel 210.

[0086] It should be noted that the “first direction” refers to the axial direction of the wind wheel 210. For specific directions, please refer to Figure 5 shown.

[0087] Specifically, multiple wind wheel mounting parts 1211 are formed on the first shell 121, that is, multiple wind wheel mounting parts 1211 are integrally formed with the first shell 121 to simplify the component arrangement of the shell assembly 120, thereby simplifying the assembly steps of the shell assembly 120 and improving the assembly efficiency of the shell assembly 120.

[0088] Furthermore, a plurality of wind wheel mounting portions 1211 are spaced apart in a first direction, and the shell assembly 120 further includes a plurality of second shells 122, and the plurality of second shells 122 are arranged in one-to-one correspondence with and connected to the plurality of wind wheel mounting portions 1211. By separately arranging the second shells 122, it is convenient to install the wind wheel 210 in the wind wheel mounting portion 1211, thereby improving the assembly convenience of the wind wheel 210.

[0089] Furthermore, the second shell 122 and the wind wheel mounting portion 1211 together define an installation cavity for mounting the wind wheel 210. Each wind wheel mounting portion 1211 has an air outlet 1212, which can drive airflow when the wind wheel 210 rotates in the installation cavity.

[0090] In the related art, the first shell and the plurality of wind wheel mounting parts are separately arranged, and each wind wheel mounting part needs to be assembled to the first shell through a connecting member, resulting in a large number of parts of the shell assembly and many assembly steps, thereby reducing the assembly efficiency of the shell assembly.

[0091] The present application forms a plurality of wind wheel mounting portions 1211 on the first shell 121 to effectively simplify the component arrangement of the shell assembly 120, thereby simplifying the assembly steps of the shell assembly 120, improving the assembly efficiency of the shell assembly 120, and facilitating the coaxiality of the plurality of wind wheel mounting portions 1211, thereby facilitating the coaxiality of the plurality of wind wheels 210. Furthermore, by separately arranging the second shell 122 to facilitate the installation of the wind wheel 210 into the wind wheel mounting portion 1211, the assembly efficiency of the shell assembly 120 is improved while the assembly convenience of the wind wheel 210 is improved.

[0092] Combination Figure 5 and Figure 6 In some embodiments of the utility model, the duct machine 10 also includes a chassis 110, the chassis 110 has an air outlet frame 111, the first shell 121 is installed on the chassis 110 and arranged opposite to the air outlet frame 111, and the air flow can flow to the air outlet frame 111 through the air outlet 1212.

[0093] Combination Figure 5 and Figure 6 In some embodiments of the present invention, the first shell 121 is further provided with a motor mounting portion 1213 , which is located on one side of the plurality of wind wheel mounting portions 1211 in the first direction and is used to mount the motor 300 .

[0094] Specifically, the motor mounting portion 1213 is formed at one end of the first shell 121 in the first direction, that is, the motor mounting portion 1213, the first shell 121 and the plurality of wind wheel mounting portions 1211 are integrally arranged to further simplify the component arrangement of the shell assembly 120 and simplify the processing procedure of the shell assembly 120.

[0095] Furthermore, the motor mounting portion 1213 and the wind wheel mounting portion 1211 are arranged opposite to each other in the first direction. The motor mounting portion 1213 is used to install the motor 300. The motor 300 is transmission-connected to the transmission shaft section 2221 and is used to drive the multiple wind wheels 210 to rotate.

[0096] Combination Figures 5 to 7 In some embodiments of the present invention, the first shell 121 is further provided with a bearing seat mounting portion 1214, and the bearing seat mounting portion 1214 is arranged on the other side of the plurality of wind wheel mounting portions 1211 in the first direction and is used to install the bearing seat 1218.

[0097] Specifically, the bearing seat mounting portion 1214 is formed at one end of the first shell 121 away from the motor mounting portion 1213 in the first direction, that is, the bearing seat mounting portion 1214, the motor mounting portion 1213, the first shell 121 and the plurality of wind wheel mounting portions 1211 can be integrally formed to further simplify the component arrangement of the shell assembly 120 and simplify the processing procedure of the shell assembly 120.

[0098] Furthermore, the bearing seat mounting portion 1214 and the wind wheel mounting portion 1211 are arranged opposite to each other in the first direction, and the bearing seat mounting portion 1214 is used to install the bearing seat 1218. The supporting shaft 2231 can be rotatably mounted on the bearing seat 1218 through a bearing. The bearing seat 1218 can be used to support the bearing, so as to facilitate the rotation of the wind wheel 210 relative to the first shell 121 and reduce the wear of the supporting shaft 2231.

[0099] Among them, the first shell 121 can be injection molded, and the motor mounting part 1213, the bearing seat mounting part 1214 and multiple wind wheel mounting parts 1211 can be formed on the first shell 121, so as to realize the integrated setting of multiple parts, simplify the parts required for assembling the shell assembly 120, and improve the assembly efficiency of the shell assembly 120, and the motor mounting part 1213 and the bearing seat mounting part 1214 are processed in the same production process to effectively ensure the coaxiality of the motor mounting part 1213 and the bearing seat mounting part 1214.

[0100] In some embodiments of the present invention, the motor 300 is coaxially arranged with the bearing.

[0101] Specifically, the motor mounting portion 1213 is coaxially arranged with the bearing seat mounting portion 1214. By integrally forming the bearing seat mounting portion 1214, the motor mounting portion 1213, the first shell 121 and the plurality of wind wheel mounting portions 1211, it is beneficial to ensure the coaxiality of the bearing seat mounting portion 1214 and the motor mounting portion 1213, so as to ensure the coaxiality of the motor 300 and the bearing seat 1218, and avoid vibration of the fuselage caused by large coaxiality error between the motor 300 and the bearing seat 1218, thereby reducing the wear of the motor 300 and the bearing and increasing the service life of the motor 300 and the bearing.

[0102] Reference Figure 5 In some embodiments of the utility model, the first shell 121 includes a base plate 1216 and a supporting beam 1217, the supporting beam 1217 is arranged perpendicular to the base plate 1216, the supporting beam 1217 is arranged opposite to the air outlet frame 111, and the air outlet 1212 arranged opposite to the air outlet frame 111 is formed on the supporting beam 1217, a part of the wind wheel mounting portion 1211 is formed on the supporting beam 1217, and another part of the wind wheel mounting portion 1211 is formed on the base plate 1216, wherein the supporting beam 1217 can be supported at the position of the air outlet frame 111 to improve the rigidity of the shell assembly 120 and reduce the risk of deformation of the shell assembly 120.

[0103] like Figure 6 As shown, in some embodiments of the present invention, the shell assembly 120 also includes: a partition 130, which is installed on the chassis 110, and the partition 130 is arranged between the air outlet frame 111 and the first shell 121, and the first shell 121 is connected to the partition 130.

[0104] Specifically, the partition 130 extends along the first direction and is arranged parallel to the supporting beam 1217. The partition 130 is installed on the chassis 110 and is located between the air outlet frame 111 and the supporting beam 1217. The partition 130 can be further supported at the position of the air outlet frame 111 to further increase the rigidity of the shell assembly 120 and reduce the risk of deformation of the shell assembly 120. For example, when the shell assembly 120 is longer in the first direction, the shell assembly 120 requires greater body rigidity to resist deformation. The rigidity of the shell assembly 120 can be increased by setting the partition 130 to reduce the risk of deformation of the shell assembly 120.

[0105] Furthermore, the first shell 121 is connected to the chassis 110 through the partition 130, and a motor mounting portion 1213, a bearing seat mounting portion 1214 and a plurality of wind wheel mounting portions 1211 are formed on the first shell 121, that is, the motor mounting portion 1213, the bearing seat mounting portion 1214 and the plurality of wind wheel mounting portions 1211 can be installed on the chassis 110 through the partition 130, which ensures the rigidity of the shell assembly 120 while facilitating the improvement of the assembly convenience of the shell assembly 120.

[0106] like Figure 6 As shown, in some embodiments of the present invention, the partition 130 is provided with a plurality of ventilation holes 131 , and the plurality of ventilation holes 131 are respectively arranged opposite to the plurality of air outlets 1212 .

[0107] Specifically, a plurality of ventilation holes 131 are arranged in sequence along a first direction on the partition 130, and the plurality of ventilation holes 131 are arranged in one-to-one correspondence with the plurality of air outlets 1212. When the motor 300 drives the wind wheel 210 to rotate, the wind wheel 210 drives the airflow to flow, and the airflow can flow from the air outlet 1212 into the ventilation holes 131.

[0108] In some embodiments of the present invention, the chassis 110 is further formed with an installation space, which is provided on a side of the air outlet frame 111 away from the shell assembly 120 and is used for installing a heat exchanger.

[0109] Specifically, the installation space is located on the side of the air outlet frame 111 away from the shell assembly 120, a heat exchanger is installed in the installation space, and the air outlet 1212 and the ventilation hole 131 are both connected to the installation space. When the motor 300 drives the wind wheel 210 to rotate, the wind wheel 210 drives the airflow to flow, and the airflow can flow into the installation space through the air outlet 1212 and the ventilation hole 131, and the airflow can exchange heat with the heat exchanger. The installation space is also connected to the external environment (for example: indoor environment), and the airflow after heat exchange can be transported from the shell assembly 120 to the external environment, thereby changing the temperature of the external environment.

[0110] Combination Figure 5 and Figure 6In some embodiments of the present invention, a plurality of wind wheel mounting portions 1211 are spaced apart in the first direction, and the wind wheel mounting portions 1211 and the second shell 122 form an axial air inlet 1215 .

[0111] Specifically, the second shell 122 can be snap-fitted with and connected to the wind wheel mounting portion 1211, and after the second shell 122 and the wind wheel mounting portion 1211 are snap-fitted, an axial air inlet 1215 that is arranged through the two along the first direction is formed therebetween, and the axial air inlet 1215 can be connected to the external environment, and the airflow can enter the installation cavity along the axial direction through the axial air inlet 1215, and further flow into the installation space through the air outlet 1212 and the ventilation hole 131, and the airflow can exchange heat with the heat exchanger in the installation space.

[0112] Furthermore, the plurality of wind wheel mounting portions 1211 are spaced apart in the first direction so that two adjacent axial air inlets 1215 can be spaced apart to facilitate airflow into each mounting cavity. In addition, the plurality of second shells 122 are separately arranged and connected one by one with the plurality of wind wheel mounting portions 1211 to effectively prevent the airflow from entering the mounting cavity due to the connection of the plurality of second shells 122, thereby ensuring air intake efficiency.

[0113] like Figure 7 As shown, in some embodiments of the utility model, the air duct machine 10 also includes a motor mounting fitting part 400, which is installed on the first shell 121. Specifically, the motor mounting fitting part 400 is installed to be snap-fitted and connected with the motor mounting part 1213. The motor mounting fitting part 400 and the motor mounting part 1213 jointly define a cavity. The motor 300 is installed in the cavity and is transmission-connected to the transmission shaft segment 2221. The motor mounting fitting part 400 and the motor mounting part 1213 can be used to protect the motor 300 and increase the service life of the motor 300.

[0114] In some embodiments of the utility model, a duct air inlet and a duct air outlet are formed on the shell assembly 120, wherein the duct air inlet is connected to the axial air inlet 1215, and the air flow in the external environment can enter the shell assembly 120 through the duct air inlet and flow to the axial air inlet 1215.

[0115] The air outlet of the duct machine is arranged to be connected with the installation space and directly opposite to the air outlet frame 111. The heat exchanger is located between the air outlet frame 111 and the heat exchanger of the duct machine 10. The wind wheel 210 rotates to drive the air flow to flow into the installation space from the air outlet 1212, and the air flow can be discharged from the duct machine 10 through the air outlet of the duct machine after heat exchange with the heat exchanger.

[0116] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0117] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A fan blade assembly, characterized in that: include: A plurality of wind wheels, wherein the plurality of wind wheels are sequentially spaced apart in the axial direction; The connecting assembly comprises a first connecting shaft, the first connecting shaft is coaxially arranged with the wind wheel and is arranged between two adjacently arranged wind wheels, and two ends of the first connecting shaft are respectively and irremovably fixedly connected to the two wind wheels.

2. The fan blade assembly according to claim 1, characterized in that: There are at least three wind wheels, and the wind wheels are arranged at equal intervals in the axial direction.

3. The fan blade assembly according to claim 1, characterized in that: The connecting assembly also includes: a second connecting shaft, which is arranged on one side of the plurality of wind wheels in the axial direction, and the second connecting shaft is coaxially arranged and connected to the wind wheel located at the end in the arrangement direction, and the second connecting shaft is used to connect to the motor power.

4. The fan blade assembly according to claim 3, characterized in that: A flexible connector is provided at an axial end of the second connecting shaft away from the wind wheel, and the flexible connector is connected between the second connecting shaft and the motor.

5. The fan blade assembly according to claim 4, characterized in that: The axial end of the second connecting shaft away from the wind wheel is provided with a transmission shaft section, and the flexible connecting member is constructed as a rubber coupling, and the rubber coupling is respectively connected to the transmission shaft section and the motor shaft.

6. The fan blade assembly according to claim 4, characterized in that: The flexible connecting member is constructed as a rubber insert, which is embedded in the second connecting shaft and connected to the motor shaft of the motor.

7. The fan blade assembly according to claim 3, characterized in that: The connecting assembly also includes: a third connecting shaft, which is arranged on the other side of the plurality of wind wheels in the axial direction, and is coaxially arranged and connected to the wind wheel located at the other end in the arrangement direction, and is used to connect and cooperate with the support member.

8. The fan blade assembly according to claim 7, characterized in that: A supporting shaft is provided at an axial end of the third connecting shaft away from the wind wheel.

9. The fan blade assembly according to claim 1, characterized in that: The two ends of the first connecting shaft are respectively provided with first positioning parts, and the first positioning parts are used for positioning and cooperating with the wind wheel.

10. The fan blade assembly according to claim 9, characterized in that: The first positioning portion is configured as a positioning groove, the wind wheel is provided with a positioning protrusion, and the positioning groove is positioned and matched with the positioning protrusion.

11. The fan blade assembly according to claim 1, characterized in that: The end of the first connecting shaft is welded and fixed to the wind wheel.

12. A duct machine, characterized in that: It comprises a wind blade assembly according to any one of claims 1-11.

13. The air duct machine according to claim 12, characterized in that: Also includes a shell assembly, the fan blade assembly is installed on the shell assembly, and the shell assembly includes: A first shell, wherein the first shell is formed with a plurality of wind wheel mounting parts sequentially arranged along a first direction, and each wind wheel mounting part has an air outlet; A plurality of second shells are respectively connected to the plurality of wind wheel mounting parts and respectively form mounting cavities, and a wind wheel can be arranged in each mounting cavity.

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