Motor and washing machine

Abstract

The utility model provides a motor and a washing machine, and the motor comprises a stator assembly which comprises a plastic package part; the end cover is located on the outer side of the plastic package part, the end cover is arranged at one end of the plastic package part in the axial direction of the stator assembly and connected with the plastic package part, a boss is arranged on the side, away from the plastic package part, of the end cover, and the boss protrudes and extends in the direction away from the plastic package part; the electric control assembly is arranged on the side, away from the plastic package part, of the end cover and electrically connected with the stator assembly, the electric control assembly comprises an electric control box, and the electric control box is connected with the boss, so that compared with the prior art that the electric control box is fixed to the plastic package part to achieve installation of the electric control board, screw installation positions needing to be machined on the plastic package part are reduced, and the installation efficiency of the electric control board is improved. The structure of the plastic package part is simplified, and the injection molding efficiency of the stator assembly is improved. Meanwhile, since the electric control box is connected with the boss, nuts do not need to be placed, fastening can be achieved only through screws, the installation process of the motor can be effectively simplified, operation is convenient, and the production efficiency of the motor can be improved.

Description

Technical Field

[0001] This utility model relates to the field of motor equipment technology, and more specifically, to a motor and a washing machine. Background Technology

[0002] Currently, drum washing machines using BLDC (brushless DC) motors consist of two parts: the motor body and the electronic control board. In related technologies, for stator BMC (Bulk Molding Compound) encapsulated motors, multiple screw mounting positions are generally set on the stator assembly, and screws and nuts are used to install the electronic control box on the stator BMC encapsulation.

[0003] However, the need to install multiple screw mounting positions on the stator BMC encapsulation structure complicates the structure and reduces stator injection molding efficiency. Furthermore, the aforementioned installation method requires embedding nuts in the stator BMC encapsulation or using separate external nuts, which is complex and inefficient. Utility Model Content

[0004] The embodiments of this utility model are intended to solve at least one of the technical problems existing in the prior art.

[0005] Therefore, a first aspect of the embodiments of this utility model provides an electric motor.

[0006] A second aspect of the embodiments of this utility model provides a washing machine.

[0007] In view of the above, according to a first aspect of the present invention, an electric motor is provided, the electric motor comprising: a stator assembly, the stator assembly including a plastic encapsulation; an end cap located outside the plastic encapsulation along the axial direction of the stator assembly, the end cap being disposed at one end of the plastic encapsulation and connected to the plastic encapsulation, the end cap having a boss on the side of the end cap away from the plastic encapsulation, the boss protruding and extending in the direction away from the plastic encapsulation; and an electrical control assembly disposed on the side of the end cap away from the plastic encapsulation and electrically connected to the stator assembly, the electrical control assembly including an electrical control box connected to the boss.

[0008] The motor provided in this embodiment of the utility model includes a stator assembly, a plastic encapsulation, an end cover, and an electronic control assembly. Specifically, the stator assembly includes the plastic encapsulation. It can be understood that the stator assembly includes a stator component, which is encapsulated within the plastic encapsulation. Optionally, the stator component includes a stator core, a frame, and windings. The plastic encapsulation wraps the stator core, frame, and windings together to form the stator assembly.

[0009] The electronic control assembly includes an electronic control box, and optionally, the electronic control assembly also includes an electronic control board mounted on the electronic control box.

[0010] Along the axial direction of the stator assembly, the end cap is located at one end of the molding compound, which can be understood as the end cap being located at the axial rear end of the molding compound.

[0011] In related technologies, in addition to the end cap being connected to the molding compound, the motor control box is also fixed to the molding compound by screws and nuts. Therefore, there are many screw mounting positions that need to be machined on the molding compound, which makes the structure of the molding compound complex, increases the difficulty of injection molding, and reduces the injection molding efficiency.

[0012] A boss is provided on the side of the end cap opposite to the molded part, and the boss extends protruding in the direction away from the molded part. The control box is connected to the boss, meaning that the control board is fixed to the boss on the end cap via the control box. Compared to related technologies that fix the control box to the molded part for control board installation, this reduces the number of screw mounting positions that need to be machined on the molded part, simplifies the structure of the molded part, and improves the injection molding efficiency of the stator assembly. Furthermore, since the control box is connected to the boss, no nuts are needed; only screws are required for fastening, effectively simplifying the motor installation process, facilitating operation, and improving motor production efficiency.

[0013] In addition, since the control box is connected to the protruding boss of the end cover, the control box can be positioned for installation, which helps to improve the installation efficiency of the motor.

[0014] Optionally, the stator assembly also includes a front mounting foot, which is connected to the plastic seal and is used to connect to the mounting structure of the washing machine. The front mounting foot is an aluminum alloy bracket, which ensures the strength and reliability of the connection between the motor and the washing machine while keeping the main structure of the stator assembly unchanged, thus avoiding breakage at the connection between the motor and the washing machine due to insufficient strength.

[0015] Optionally, the motor also includes rear mounting feet.

[0016] In addition, the motor provided by the above-described technical solution of this utility model also has the following additional technical features:

[0017] In some technical solutions, the electrical control box may optionally include a mounting post with a positioning groove, at least a portion of the boss being embedded in the positioning groove and connected to the mounting post.

[0018] In this technical solution, the electrical control box is defined to include a mounting post. Specifically, the mounting post is provided with a positioning groove, and at least part of the boss is embedded in the positioning groove, so that the electrical control box can be effectively positioned during the installation process, which helps to reduce the installation difficulty of the electrical control box and improve the overall installation efficiency of the electrical control box and the motor.

[0019] Meanwhile, since at least part of the protrusions of the end cover are embedded in the positioning groove, the control box can also be limited, which helps to improve the connection strength between the control box and the end cover and improve the reliability of the motor after installation.

[0020] Optionally, the number of bosses is at least three, and the mounting posts correspond one-to-one with the bosses.

[0021] In some technical solutions, the mounting post is optionally provided with a through hole, which is located on the side of the positioning groove away from the end cover and communicates with the positioning groove. The motor also includes a first fastener, which passes through the through hole and the positioning groove respectively and is connected to the boss.

[0022] In this technical solution, the motor is further defined as including a first fastener. Specifically, the mounting post is also provided with a through hole, which is located on the side of the positioning groove away from the end cover, that is, the through hole is located above the positioning groove, and the through hole is connected to the positioning groove.

[0023] After the first fastener passes through the through hole and the positioning groove, it connects with the boss, thereby realizing the fixed assembly between the control box and the end cover. Compared with the related technology of fixing the control box on the molding part to realize the installation of the control board, it is beneficial to reduce the number of screw mounting positions that need to be processed on the molding part, simplify the structure of the molding part, and improve the injection molding efficiency of the stator assembly.

[0024] Optionally, the first fastener includes screws, meaning that when assembling the control box and the end cover, there is no need to place nuts; only screws are needed for fastening. This effectively simplifies the motor installation process, facilitates operation, and helps improve the motor's production efficiency.

[0025] In some technical solutions, optionally, the boss is provided with a connecting hole, which communicates with the positioning groove; the first fastener is connected to the wall of the connecting hole.

[0026] In this technical solution, the boss is provided with a connecting hole. Specifically, the connecting hole communicates with the positioning groove. The first fastener passes through the through hole and the positioning groove respectively, and then connects with the hole wall of the connecting hole, thereby realizing the fixed assembly between the control box and the end cover. That is, the first fastener is a self-tapping screw, and no threads are provided on the hole wall of the connecting hole.

[0027] Alternatively, the boss and connecting hole can be formed using a stamping process.

[0028] In some technical solutions, optionally, the boss is provided with a connecting hole, which communicates with the positioning groove, and the wall of the connecting hole is provided with a first thread; the outer wall of the first fastener is provided with a second thread, which is adapted to the first thread.

[0029] In this technical solution, the boss is provided with a connecting hole. Specifically, the connecting hole communicates with the positioning groove. After the first fastener passes through the through hole and the positioning groove, it engages with the first thread on the wall of the connecting hole via a second thread, thereby achieving a fixed assembly between the control box and the end cover. That is, the first fastener is a common screw, and the wall of the connecting hole is threaded.

[0030] In some technical solutions, the mounting post may optionally be provided with a protective groove, which is located on the side of the through hole away from the positioning groove and communicates with the through hole, and a portion of the first fastener is located in the protective groove.

[0031] In this technical solution, the mounting post is also provided with a protective groove. Specifically, the protective groove is located on the side of the through hole away from the positioning groove, that is, the protective groove is located above the through hole.

[0032] After the first fastener passes through the through hole and the positioning groove and is connected to the boss, part of the first fastener is located in the protective groove, which can play the role of positioning and protection of the first fastener.

[0033] In some technical solutions, the end cap may optionally include a cap body, which is connected to the plastic sealant, and a boss is provided on the cap body; wherein the protrusion height h of the boss and the thickness d of the cap body satisfy d≤h≤2d.

[0034] In this technical solution, the end cover also includes a cover body. Specifically, the cover body is connected to the molding compound, and the boss is located on the side of the cover body opposite to the molding compound. Since the control box is connected to the boss, the control board is fixed to the boss on the end cover via the control box. Compared to related technologies where the control box is fixed to the molding compound for control board installation, this reduces the number of screw mounting positions that need to be machined on the molding compound, simplifies the structure of the molding compound, and improves the injection molding efficiency of the stator assembly. Furthermore, because the control box is connected to the boss, there is no need to place nuts; only screws are needed for fastening, effectively simplifying the motor installation process, facilitating operation, and improving motor production efficiency.

[0035] The protrusion height of the boss is between the thickness of the cover body and twice the thickness of the cover body. It's understandable that if the protrusion height is too small (h < d), effective engagement between the boss and the positioning groove cannot be achieved, affecting the limiting effect. If the protrusion height is too large, it increases the processing difficulty of the boss, thereby increasing the production cost of the motor.

[0036] By setting the protrusion height of the boss to between the thickness of the cover body and twice the thickness of the cover body, it is possible to ensure an effective fit between the boss and the positioning groove while reducing the processing difficulty of the boss, thereby helping to reduce the production cost of the motor.

[0037] Optionally, the boss and the cover body are an integral structure.

[0038] In some technical solutions, the end cap is optionally provided with a first mounting hole for connecting the molding compound; wherein the first mounting hole and the boss are arranged circumferentially along the stator assembly.

[0039] In this technical solution, the end cap is further provided with a first mounting hole. Specifically, the end cap is connected to the molding compound through the first mounting hole. Optionally, there can be multiple first mounting holes. Specifically, there are at least three first mounting holes.

[0040] The first mounting holes and bosses are arranged circumferentially along the stator assembly, thereby enabling reliable assembly between the end cover and the plastic encapsulation, as well as between the end cover and the electrical control box, while avoiding mutual interference, improving space utilization, and simplifying the motor structure.

[0041] In some technical solutions, optionally, there are multiple first mounting holes and multiple bosses; wherein at least one first mounting hole is located between two adjacent bosses.

[0042] In this technical solution, the number of first mounting holes is limited to multiple, specifically, the number of bosses is also multiple. At least one first mounting hole is located between two adjacent bosses. Optionally, one first mounting hole is located between two adjacent bosses, and / or two first mounting holes are located between two adjacent bosses. The specific configuration can be determined according to actual needs.

[0043] Since the first mounting hole and the boss are arranged circumferentially along the stator assembly, reliable assembly between the end cover and the plastic encapsulation, as well as between the end cover and the electrical control box, can be achieved while avoiding mutual interference, improving space utilization, and simplifying the motor structure.

[0044] In some technical solutions, optionally, the molding compound is provided with a second mounting hole, and the motor also includes a second fastener, which passes through the first mounting hole and the second mounting hole respectively, so as to connect the end cap and the molding compound.

[0045] In this technical solution, the motor is further defined as including a second fastener. Specifically, the molding compound is provided with a second mounting hole, and the second fastener passes through the first mounting hole and the second mounting hole respectively, so as to connect the end cap with the molding compound, thereby realizing a reliable assembly between the end cap and the molding compound.

[0046] It is understandable that the second mounting hole corresponds one-to-one with the first mounting hole.

[0047] Optionally, the second fastener includes a screw.

[0048] In some technical solutions, the electrical control box may optionally include a box body and a mounting leg, wherein the mounting leg is located on the side of the box body facing the end cover, and the end of the mounting leg away from the box body is provided with a mounting post.

[0049] In this technical solution, the electrical control box is defined as including a box body and mounting legs. Specifically, the mounting legs are located on the side of the box body facing the end cover, and the end of the mounting legs away from the box body is provided with a mounting post. It can be understood that the electrical control board is mounted on the box body.

[0050] Optionally, the box body and the mounting legs are integrated into one structure.

[0051] Optionally, the number of outriggers is the same as the number of bosses.

[0052] In some technical solutions, the end cap may optionally be provided with a positioning hole; the plastic seal may be provided with a positioning post, which is inserted into the positioning hole.

[0053] In this technical solution, the end cap is also provided with a positioning hole. Specifically, the molding compound is provided with a positioning post, which is inserted into the positioning hole to position the end cap. This helps to reduce the installation difficulty of the end cap and improve the assembly efficiency between the end cap and the molding compound.

[0054] At the same time, the cooperation between the positioning hole and the positioning post can also limit the end cap, which helps to improve the connection strength between the end cap and the plastic sealant, and improve the stability and reliability of the end cap after installation.

[0055] In some technical solutions, the molding compound may optionally include a bulk molding compound; and / or the end cap may include a stretch end cap.

[0056] In this technical solution, the encapsulated parts are limited to bulk molding compound parts, that is, the stator assembly is encapsulated using BMC material, which helps to reduce the production cost of motors and washing machines.

[0057] The end cap is a tension end cap, meaning the end cap is a tensioned component.

[0058] According to a second aspect of the present invention, a washing machine is provided, which includes a motor as provided in any of the above technical solutions, and thus possesses all the beneficial technical effects of the motor, which will not be repeated here.

[0059] Additional aspects and advantages of the present invention will be set forth in the description which follows, in part will be obvious from the description, or may be learned by practice of the present invention. Attached Figure Description

[0060] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0061] Figure 1 A partial structural schematic diagram of a motor according to an embodiment of the present invention is shown;

[0062] Figure 2 One of the structural schematic diagrams of an electronic control assembly according to an embodiment of the present invention is shown;

[0063] Figure 3 A second schematic diagram of the structure of an electronic control assembly according to an embodiment of the present invention is shown;

[0064] Figure 4 A schematic diagram of the structure of an end cap according to an embodiment of the present invention is shown;

[0065] Figure 5 A schematic diagram of the structure of a stator assembly according to an embodiment of the present invention is shown;

[0066] Figure 6 One of the structural schematic diagrams of a motor according to an embodiment of the present invention is shown;

[0067] Figure 7 A second schematic diagram of the structure of a motor according to an embodiment of the present invention is shown.

[0068] in, Figures 1 to 7 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0069] 100 Motor, 110 Stator Assembly, 120 Molded Part, 121 Second Mounting Hole, 122 Positioning Post, 130 End Cap, 131 Boss, 132 Connecting Hole, 133 Cover Body, 134 First Mounting Hole, 135 Positioning Hole, 140 Electrical Control Assembly, 141 Electrical Control Box, 142 Mounting Post, 143 Positioning Slot, 144 Through Hole, 145 Protective Slot, 146 Box Body, 147 Mounting Leg, 150 First Fastener, 160 Second Fastener. Detailed Implementation

[0070] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0071] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0072] The following reference Figures 1 to 7This invention describes a motor 100 and a washing machine provided according to some embodiments of the present invention.

[0073] In one embodiment according to this application, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, a motor 100 is proposed, which includes: a stator assembly 110, the stator assembly 110 including a molding compound 120; an end cover 130 located outside the molding compound 120 along the axial direction of the stator assembly 110, the end cover 130 being disposed at one end of the molding compound 120 and connected to the molding compound 120, the end cover 130 having a boss 131 on the side away from the molding compound 120, the boss 131 protruding and extending in the direction away from the molding compound 120; and an electrical control assembly 140 disposed on the side of the end cover 130 away from the molding compound 120 and electrically connected to the stator assembly 110, the electrical control assembly 140 including an electrical control box 141, the electrical control box 141 being connected to the boss 131.

[0074] The motor 100 provided in this embodiment of the present invention includes a stator assembly 110, a plastic sealant 120, an end cover 130, and an electronic control assembly 140. Specifically, the stator assembly 110 includes the plastic sealant 120. It can be understood that the stator assembly 110 includes a stator component, which is encapsulated within the plastic sealant 120. Optionally, the stator component includes a stator core, a frame, and windings. The plastic sealant 120 encapsulates the stator core, frame, and windings together to form the stator assembly 110.

[0075] The electronic control assembly 140 includes an electronic control box 141. Optionally, the electronic control assembly 140 also includes an electronic control board, which is mounted on the electronic control box 141.

[0076] Along the axial direction of the stator assembly 110, the end cap 130 is disposed at one end of the molding compound 120. It can be understood that the end cap 130 is located at the axial rear end of the molding compound 120.

[0077] In related technologies, in addition to the end cap being connected to the molding compound, the motor control box is also fixed to the molding compound by screws and nuts. Therefore, there are many screw mounting positions that need to be machined on the molding compound, which makes the structure of the molding compound complex, increases the difficulty of injection molding, and reduces the injection molding efficiency.

[0078] A boss 131 is provided on the side of the end cap 130 opposite to the molding compound 120, and the boss 131 extends protruding away from the molding compound 120. The control box 141 is connected to the boss 131. That is, the control board is fixed to the boss 131 of the end cap 130 through the control box 141. Compared with the related technology of fixing the control box to the molding compound to install the control board, this method helps to reduce the number of screw mounting positions that need to be machined on the molding compound 120, simplify the structure of the molding compound 120, and improve the injection molding efficiency of the stator assembly 110. At the same time, since the control box 141 is connected to the boss 131, there is no need to place nuts, only screws are used for fastening, which can effectively simplify the installation process of the motor 100, facilitate operation, and help improve the production efficiency of the motor 100.

[0079] In addition, since the electrical control box 141 is connected to the protruding boss 131 of the end cover 130, the installation of the electrical control box 141 can be positioned, which helps to improve the installation efficiency of the motor 100.

[0080] Optionally, the stator assembly 110 also includes a front mounting foot, which is connected to the plastic seal 120 and is used to connect the mounting structure of the washing machine. The front mounting foot is an aluminum alloy bracket, which ensures the strength and reliability of the connection between the motor 100 and the washing machine while keeping the main structure of the stator assembly 110 unchanged, and avoids the connection between the motor 100 and the washing machine from breaking due to insufficient strength.

[0081] Optionally, the motor 100 also includes a rear mounting foot.

[0082] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, in some embodiments, optionally, the electrical control box 141 includes a mounting post 142, the mounting post 142 is provided with a positioning groove 143, at least a portion of the boss 131 is embedded in the positioning groove 143 and connected to the mounting post 142.

[0083] In this embodiment, the electrical control box 141 is defined to include a mounting post 142. Specifically, the mounting post 142 is provided with a positioning groove 143, and at least part of the protrusion 131 is embedded in the positioning groove 143. This allows the electrical control box 141 to be effectively positioned during installation, which helps to reduce the installation difficulty of the electrical control box 141 and improve the overall installation efficiency of the electrical control box 141 and the motor 100.

[0084] Meanwhile, since at least part of the protrusion 131 of the end cover 130 is embedded in the positioning groove 143, it can also limit the position of the control box 141, which helps to improve the connection strength between the control box 141 and the end cover 130 and improve the reliability of the motor 100 after installation.

[0085] Optionally, the number of bosses 131 is at least three, and the mounting posts 142 correspond one-to-one with the bosses 131.

[0086] like Figure 1 and Figure 6 As shown, in some embodiments, optionally, the mounting post 142 is also provided with a through hole 144, which is located on the side of the positioning groove 143 away from the end cover 130 and communicates with the positioning groove 143. The motor 100 also includes a first fastener 150, which passes through the through hole 144 and the positioning groove 143 respectively and is connected to the boss 131.

[0087] In this embodiment, the motor 100 is further defined as including a first fastener 150. Specifically, the mounting post 142 is also provided with a through hole 144. The through hole 144 is located on the side of the positioning groove 143 away from the end cover 130, that is, the through hole 144 is located above the positioning groove 143, and the through hole 144 is connected to the positioning groove 143.

[0088] After the first fastener 150 passes through the through hole 144 and the positioning groove 143 respectively, it is connected to the boss 131, thereby realizing the fixed assembly between the electrical control box 141 and the end cover 130. Compared with the related technology of fixing the electrical control box on the molding part to realize the installation of the electrical control board, it is beneficial to reduce the number of screw mounting positions that need to be processed on the molding part 120, simplify the structure of the molding part 120, and improve the injection molding efficiency of the stator assembly 110.

[0089] Optionally, the first fastener 150 includes screws, meaning that when assembling the electrical control box 141 and the end cover 130, there is no need to place nuts; only screws are needed for fastening. This effectively simplifies the installation process of the motor 100, facilitates operation, and helps improve the production efficiency of the motor 100.

[0090] like Figure 1 and Figure 4 As shown, in some embodiments, optionally, the boss 131 is provided with a connecting hole 132, which communicates with the positioning groove 143; the first fastener 150 is connected to the hole wall of the connecting hole 132.

[0091] In this embodiment, the boss 131 is provided with a connecting hole 132. Specifically, the connecting hole 132 communicates with the positioning groove 143. The first fastener 150 passes through the through hole 144 and the positioning groove 143 respectively, and then connects with the hole wall of the connecting hole 132, thereby realizing the fixed assembly between the control box 141 and the end cover 130. That is, the first fastener 150 is a self-tapping screw, and no threads are provided on the hole wall of the connecting hole 132.

[0092] Optionally, the boss 131 and the connecting hole 132 are formed by stamping.

[0093] like Figure 1 and Figure 4 As shown, in some embodiments, optionally, the boss 131 is provided with a connecting hole 132, which communicates with the positioning groove 143, and the hole wall of the connecting hole 132 is provided with a first thread; the outer wall of the first fastener 150 is provided with a second thread, which is adapted to the first thread.

[0094] In this embodiment, the boss 131 is provided with a connecting hole 132. Specifically, the connecting hole 132 communicates with the positioning groove 143. After the first fastener 150 passes through the through hole 144 and the positioning groove 143 respectively, it engages with the first thread on the hole wall of the connecting hole 132 through the second thread, thereby realizing the fixed assembly between the control box 141 and the end cover 130. That is, the first fastener 150 is a common screw, and the hole wall of the connecting hole 132 is threaded.

[0095] like Figure 1 and Figure 2 As shown, in some embodiments, optionally, the mounting post 142 is also provided with a protective groove 145, which is located on the side of the through hole 144 away from the positioning groove 143 and communicates with the through hole 144, and a portion of the first fastener 150 is located in the protective groove 145.

[0096] In this embodiment, the mounting post 142 is further provided with a protective groove 145. Specifically, the protective groove 145 is located on the side of the through hole 144 away from the positioning groove 143, that is, the protective groove 145 is located above the through hole 144.

[0097] After the first fastener 150 passes through the through hole 144 and the positioning groove 143 respectively, and is connected to the boss 131, part of the first fastener 150 is located in the protective groove 145, which can play the role of positioning and protecting the first fastener 150.

[0098] like Figure 1 As shown, in some embodiments, the end cap 130 may optionally include a cap body 133, which is connected to the plastic sealant 120, and a boss 131 is provided on the cap body 133; wherein, the protrusion height h of the boss 131 and the thickness d of the cap body 133 satisfy d≤h≤2d.

[0099] In this embodiment, the end cap 130 further includes a cap body 133. Specifically, the cap body 133 is connected to the molding compound 120, and the boss 131 is located on the side of the cap body 133 facing away from the molding compound 120. Since the control box 141 is connected to the boss 131, that is, the control board is fixed to the boss 131 of the end cap 130 through the control box 141. Compared with the related art of fixing the control box to the molding compound to install the control board, this reduces the number of screw mounting positions that need to be machined on the molding compound 120, simplifies the structure of the molding compound 120, and improves the injection molding efficiency of the stator assembly 110. At the same time, since the control box 141 is connected to the boss 131, there is no need to place nuts, only screws are needed for fastening, which can effectively simplify the installation process of the motor 100, facilitate operation, and improve the production efficiency of the motor 100.

[0100] The protrusion height of the boss 131 is between the thickness of the cover body 133 and twice the thickness of the cover body 133. It is understandable that if the protrusion height of the boss 131 is too small (i.e., h is less than d), effective cooperation between the boss 131 and the positioning groove 143 cannot be achieved, affecting the limiting effect. If the protrusion height of the boss 131 is too large, it increases the processing difficulty of the boss 131, thereby increasing the production cost of the motor 100.

[0101] By setting the protrusion height of the boss 131 to between the thickness of the cover body 133 and twice the thickness of the cover body 133, it is possible to ensure effective cooperation between the boss 131 and the positioning groove 143 while reducing the processing difficulty of the boss 131, thereby helping to reduce the production cost of the motor 100.

[0102] Optionally, the boss 131 and the cover body 133 are an integral structure.

[0103] like Figure 4 As shown, in some embodiments, the end cap 130 may optionally be provided with a first mounting hole 134 for connecting the molding compound 120; wherein the first mounting hole 134 and the boss 131 are arranged circumferentially along the stator assembly 110.

[0104] In this embodiment, the end cap 130 is further provided with a first mounting hole 134. Specifically, the end cap 130 is connected to the molding compound 120 through the first mounting hole 134. Optionally, there may be multiple first mounting holes 134. Specifically, there may be at least three first mounting holes 134.

[0105] The first mounting hole 134 and the boss 131 are arranged circumferentially along the stator assembly 110, thereby enabling reliable assembly between the end cover 130 and the plastic seal 120, as well as between the end cover 130 and the electrical control box 141, while avoiding mutual interference, improving space utilization, and simplifying the structure of the motor 100.

[0106] like Figure 4 As shown, in some embodiments, optionally, there are multiple first mounting holes 134 and multiple bosses 131; wherein at least one first mounting hole 134 is located between two adjacent bosses 131.

[0107] In this embodiment, the number of first mounting holes 134 is limited to multiple, specifically, the number of bosses 131 is also multiple. At least one first mounting hole 134 is located between two adjacent bosses 131. Optionally, one first mounting hole 134 is located between two adjacent bosses 131, and / or two first mounting holes 134 are located between two adjacent bosses 131. The specific configuration can be adjusted according to actual needs.

[0108] Since the first mounting hole 134 and the boss 131 are arranged circumferentially along the stator assembly 110, reliable assembly between the end cover 130 and the plastic seal 120, as well as reliable assembly between the end cover 130 and the electrical control box 141, can be achieved while avoiding mutual interference, improving space utilization, and simplifying the structure of the motor 100.

[0109] like Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in some embodiments, optionally, the molding compound 120 is provided with a second mounting hole 121, and the motor 100 further includes a second fastener 160, which passes through the first mounting hole 134 and the second mounting hole 121 respectively, so that the end cap 130 and the molding compound 120 are connected.

[0110] In this embodiment, the motor 100 is further defined as including a second fastener 160. Specifically, the molding compound 120 is provided with a second mounting hole 121, and the second fastener 160 passes through the first mounting hole 134 and the second mounting hole 121 respectively, so that the end cap 130 is connected to the molding compound 120, thereby realizing a reliable assembly between the end cap 130 and the molding compound 120.

[0111] It is understandable that the second mounting hole 121 corresponds one-to-one with the first mounting hole 134.

[0112] Optionally, the second fastener 160 includes a screw.

[0113] like Figure 1 , Figure 2 and Figure 3 As shown, in some embodiments, optionally, the electrical control box 141 includes a box body 146 and a mounting leg 147, wherein the mounting leg 147 is located on the side of the box body 146 facing the end cover 130, and the end of the mounting leg 147 away from the box body 146 is provided with a mounting post 142.

[0114] In this embodiment, the electrical control box 141 is defined as including a box body 146 and a mounting leg 147. Specifically, the mounting leg 147 is disposed on the side of the box body 146 facing the end cover 130, and the end of the mounting leg 147 away from the box body 146 is provided with a mounting post 142. It can be understood that the electrical control board is mounted on the box body 146.

[0115] Optionally, the box body 146 and the mounting legs 147 are an integral structure.

[0116] Optionally, the number of mounting legs 147 is the same as the number of bosses 131.

[0117] like Figure 4 and Figure 5 As shown, in some embodiments, the end cap 130 may optionally be provided with a positioning hole 135; the plastic seal 120 is provided with a positioning post 122, which is inserted into the positioning hole 135.

[0118] In this embodiment, the end cap 130 is further provided with a positioning hole 135. Specifically, the molding compound 120 is provided with a positioning post 122, which is inserted into the positioning hole 135 to position the end cap 130. This helps to reduce the installation difficulty of the end cap 130 and improve the assembly efficiency between the end cap 130 and the molding compound 120.

[0119] Meanwhile, the cooperation between the positioning hole 135 and the positioning post 122 can also limit the end cap 130, which helps to improve the connection strength between the end cap 130 and the plastic sealant 120, and improve the stability and reliability of the end cap 130 after installation.

[0120] In some embodiments, the molding compound 120 may optionally include a bulk molding compound; and / or the end cap 130 may include a stretch end cap.

[0121] In this embodiment, the molding compound 120 is defined as including a bulk molding compound, that is, the stator assembly 110 is molded using BMC material, which helps to reduce the production cost of the motor 100 and the washing machine.

[0122] End cap 130 is a tension end cap, that is, end cap 130 is a tension component.

[0123] According to a second aspect of the present invention, a washing machine is provided, including a motor 100 as provided in any of the above embodiments, and thus possessing all the beneficial technical effects of the motor 100, which will not be repeated here.

[0124] Specifically, the motor 100 includes a stator assembly 110, a molding compound 120, an end cover 130, and an electronic control assembly 140. More specifically, the stator assembly 110 includes the molding compound 120. This means that the stator assembly 110 includes a stator component, which is encapsulated within the molding compound 120. Optionally, the stator component includes a stator core, a frame, and windings. The molding compound 120 encapsulates the stator core, frame, and windings together to form the stator assembly 110.

[0125] The electronic control assembly 140 includes an electronic control box 141. Optionally, the electronic control assembly 140 also includes an electronic control board mounted on the electronic control box 141. Along the axial direction of the stator assembly 110, an end cap 130 is disposed at one end of the molding compound 120. It is understood that the end cap 130 is located at the axial rear end of the molding compound 120.

[0126] In related technologies, in addition to the end cap being connected to the molding compound, the motor control box is also fixed to the molding compound by screws and nuts. Therefore, there are many screw mounting positions that need to be machined on the molding compound, which makes the structure of the molding compound complex, increases the difficulty of injection molding, and reduces the injection molding efficiency.

[0127] A boss 131 is provided on the side of the end cap 130 opposite to the molding compound 120, and the boss 131 extends protruding away from the molding compound 120. The control box 141 is connected to the boss 131. That is, the control board is fixed to the boss 131 of the end cap 130 through the control box 141. Compared with the related technology of fixing the control box to the molding compound to install the control board, this method helps to reduce the number of screw mounting positions that need to be machined on the molding compound 120, simplify the structure of the molding compound 120, and improve the injection molding efficiency of the stator assembly 110. At the same time, since the control box 141 is connected to the boss 131, there is no need to place nuts, only screws are used for fastening, which can effectively simplify the installation process of the motor 100, facilitate operation, and help improve the production efficiency of the motor 100.

[0128] In addition, since the electrical control box 141 is connected to the protruding boss 131 of the end cover 130, the installation of the electrical control box 141 can be positioned, which helps to improve the installation efficiency of the motor 100.

[0129] In some embodiments, the control box 141 may optionally include a mounting post 142, the mounting post 142 having a positioning groove 143, at least a portion of the boss 131 being embedded in the positioning groove 143 and connected to the mounting post 142.

[0130] In this embodiment, the electrical control box 141 is defined to include a mounting post 142. Specifically, the mounting post 142 is provided with a positioning groove 143, and at least part of the protrusion 131 is embedded in the positioning groove 143. This allows the electrical control box 141 to be effectively positioned during installation, which helps to reduce the installation difficulty of the electrical control box 141 and improve the overall installation efficiency of the electrical control box 141 and the motor 100.

[0131] Meanwhile, since at least part of the protrusion 131 of the end cover 130 is embedded in the positioning groove 143, it can also limit the position of the control box 141, which helps to improve the connection strength between the control box 141 and the end cover 130 and improve the reliability of the motor 100 after installation.

[0132] Optionally, the number of bosses 131 is at least three, and the mounting posts 142 correspond one-to-one with the bosses 131.

[0133] In the description of this specification, the terms "connection," "installation," and "fixing," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0134] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0135] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An electric motor, characterized in that, include: Stator assembly, the stator assembly including a plastic seal; An end cap is located on the outside of the molding compound along the axial direction of the stator assembly. The end cap is disposed at one end of the molding compound and connected to the molding compound. A boss is provided on the side of the end cap away from the molding compound, and the boss protrudes and extends in the direction away from the molding compound. An electronic control component is located on the side of the end cover away from the plastic sealant and is electrically connected to the stator assembly. The electronic control component includes an electronic control box, which is connected to the boss.

2. The motor according to claim 1, characterized in that, The electrical control box includes a mounting post with a positioning groove. At least a portion of the boss is embedded in the positioning groove and connected to the mounting post.

3. The motor according to claim 2, characterized in that, The mounting post is also provided with a through hole, which is located on the side of the positioning groove opposite to the end cover and communicates with the positioning groove. The motor also includes: The first fastener passes through the through hole and the positioning groove respectively, and is connected to the boss.

4. The motor according to claim 3, characterized in that, The boss is provided with a connecting hole, which communicates with the positioning groove; The first fastener is connected to the wall of the connecting hole.

5. The motor according to claim 3, characterized in that, The boss is provided with a connecting hole, which communicates with the positioning groove, and the wall of the connecting hole is provided with a first thread; The outer wall of the first fastener is provided with a second thread, which is adapted to the first thread.

6. The motor according to claim 3, characterized in that, The mounting post is also provided with a protective groove, which is located on the side of the through hole opposite to the positioning groove and communicates with the through hole. A portion of the first fastener is located in the protective groove.

7. The motor according to any one of claims 1 to 6, characterized in that, The end cap also includes: The cover body is connected to the plastic sealant, and the boss is provided on the cover body; Wherein, the protrusion height h of the boss and the thickness d of the cover body satisfy d≤h≤2d.

8. The motor according to any one of claims 1 to 6, characterized in that, The end cap is also provided with a first mounting hole, which is used to connect the plastic sealant; The first mounting hole and the boss are arranged circumferentially along the stator assembly.

9. The motor according to claim 8, characterized in that, The number of the first mounting holes is multiple, and the number of the bosses is multiple; At least one of the first mounting holes is located between two adjacent bosses.

10. The motor according to claim 8, characterized in that, The molding compound is provided with a second mounting hole, and the motor further includes: A second fastener passes through the first mounting hole and the second mounting hole respectively to connect the end cap and the molding compound.

11. The motor according to any one of claims 2 to 6, characterized in that, The electrical control box includes: Box body; The mounting legs are located on the side of the box body facing the end cover, and the mounting post is provided at the end of the mounting legs away from the box body.

12. The motor according to any one of claims 1 to 6, characterized in that, The end cap is also provided with positioning holes; The molding compound is provided with a positioning post, which is inserted into the positioning hole.

13. The motor according to any one of claims 1 to 6, characterized in that, The molding compound includes a bulk molding compound; and / or The end cap includes a stretchable end cap.

14. A washing machine, characterized in that, Including the motor as described in any one of claims 1 to 13.

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