Motor outer rotor combined magnetic ring and ceiling fan motor

Abstract

The utility model discloses a motor outer rotor combined type magnetic ring and a ceiling fan motor, the motor outer rotor combined type magnetic ring comprises a metal ring, a plurality of magnetic shoes and a rubber shell, the rubber shell is of an annular structure and comprises an upper shell body and a lower shell body, the upper shell body is located on the upper side of the lower shell body and detachably connected with the lower shell body, and the metal ring is located on the upper side of the lower shell body. The rubber shell is provided with a first mounting space and second mounting spaces, the first mounting space is annular, the metal ring is mounted in the first mounting space, the plurality of second mounting spaces correspond to the magnetic shoes and are uniformly distributed at intervals along the annular direction of the rubber shell, and the plurality of magnetic shoes are respectively mounted in the plurality of second mounting spaces in a one-to-one correspondence manner. The rubber shell is of an up-and-down split structure, the upper shell and the lower shell can be subjected to injection molding firstly and then the magnetic shoe and the metal ring are installed after cooling and shaping, the rubber shell can be prevented from being deformed due to the temperature influence of the magnetic shoe and the metal ring, and the yield of products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor manufacturing technical field, especially a kind of motor outer rotor combined magnetic ring and ceiling fan motor. BACKGROUND

[0002] The outer rotor magnetic ring of ceiling fan motor is an important component in ceiling fan motor, which integrates multiple magnetic poles in a ring-shaped component, simplifying the structure of the motor. The existing outer rotor magnetic ring of ceiling fan motor is usually made of an integral injection molding structure. During production, the metal ring and multiple magnetic tiles are placed in the mold for injection molding, so that the magnetic tiles and metal ring are embedded in the rubber shell of the magnetic ring. Due to the influence of high-temperature fluid during injection molding, the magnetic tiles and metal ring inside the magnetic ring will still maintain a high temperature after injection molding. The rubber shell is easily deformed due to the temperature, resulting in the generation of defective products and affecting the qualification rate of the product. SUMMARY

[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 motor outer rotor combined magnetic ring. The rubber shell is designed as an upper and lower split structure. The upper and lower shells can be injection molded separately. After cooling and setting, the magnetic tiles and metal ring are installed. This helps to avoid deformation of the rubber shell due to the temperature of the magnetic tiles and metal ring, and improves the yield of the product.

[0004] The utility model also provides a ceiling fan motor with the motor outer rotor combined magnetic ring.

[0005] According to the first aspect embodiment of the utility model, the motor outer rotor combined magnetic ring includes a metal ring, magnetic tiles, and a rubber shell. The magnetic tiles are provided in multiple numbers. The rubber shell has a ring structure and includes an upper shell and a lower shell. The upper shell is located on the upper side of the lower shell and is detachably connected with the lower shell. The rubber shell has a first installation space and a second installation space. The first installation space is annular, and the metal ring is installed in the first installation space. The second installation space corresponds to the magnetic tiles and is uniformly and evenly distributed along the annular direction of the rubber shell. Multiple magnetic tiles are one-to-one corresponding and installed in multiple second installation spaces.

[0006] The motor outer rotor combined type magnetic ring has at least the following beneficial effects: the upper shell and the lower shell are separately injection molded first, and then the upper shell, the lower shell, the magnetic tile and the metal ring are assembled after the upper shell and the lower shell are cooled and shaped, so that the magnetic tile and the metal ring are loaded into the rubber shell.

[0007] According to some embodiments of the present application, one of the upper shell and the lower shell is provided with a connecting column, and the other is provided with a connecting hole corresponding to the connecting column.

[0008] According to some embodiments of the present application, the connecting column is provided with a plurality of connecting columns which are uniformly and spacedly distributed along the annular direction of the rubber shell, and the connecting hole is provided with a plurality of connecting holes corresponding to the connecting column.

[0009] According to some embodiments of the present application, the upper part of the first mounting space is arranged on the upper shell, the lower part of the first mounting space is arranged on the lower shell, and the upper part and the lower part of the metal ring are respectively inserted into the first mounting space of the upper shell and the lower shell.

[0010] According to some embodiments of the present application, the outer side wall of the first mounting space is provided with a protruding first limiting part, and the first limiting part abuts against the metal ring, so that there is a gap between the outer side wall of the first mounting space and the outer side wall of the metal ring.

[0011] According to some embodiments of the present application, the metal ring is provided with a through gap.

[0012] According to some embodiments of the present application, the upper part of the second mounting space is arranged on the upper shell, the lower part of the second mounting space is arranged on the lower shell, and the upper part and the lower part of the magnetic tile are respectively inserted into the second mounting space of the upper shell and the lower shell.

[0013] According to some embodiments of the present application, the second mounting space is located in the inner ring side of the first mounting space and communicates with the first mounting space, and the magnetic tile is located in the inner ring side of the metal ring and abuts against the metal ring.

[0014] According to some embodiments of the present application, the inner ring side of the rubber shell is provided with an opening communicating with the second mounting space, and the opening is provided with a second limiting part abutting against the magnetic tile to limit the magnetic tile from separating from the second mounting space through the opening.

[0015] The ceiling fan motor according to the second aspect of the present application comprises the motor outer rotor combined magnetic ring according to the first aspect of the present application.

[0016] The ceiling fan motor according to the present application has at least the following beneficial effects: the motor outer rotor combined magnetic ring has a high yield, which is beneficial to the manufacturing of the ceiling fan motor.

[0017] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0019] Figure 1 Fig. 1 is a structural schematic diagram of a motor outer rotor combined magnetic ring according to an embodiment of the present application;

[0020] Figure 2 Fig. 2 is an exploded structural schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application; Figure 1 Fig. 3 is a partial structural cross-sectional schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application;

[0021] Figure 3 Fig. 4 is another partial structural cross-sectional schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application; Figure 1 Fig. 5 is a third partial structural cross-sectional schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application.

[0022] Figure 4 Fig. 4 is another partial structural cross-sectional schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application; Figure 1 Fig. 5 is a third partial structural cross-sectional schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application.

[0023] Figure 5 Fig. 4 is another partial structural cross-sectional schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application; Figure 1 Fig. 5 is a third partial structural cross-sectional schematic diagram of the motor outer rotor combined magnetic ring according to the embodiment of the present application.

[0024] LIST OF REFERENCE NUMERALS

[0025] Metal ring 100, notch 101, magnetic tile 200, rubber shell 300, first mounting space 301, second mounting space 302, first limiting portion 303, opening 304, second limiting portion 305, upper shell 310, connecting column 311, lower shell 320, connecting hole 321. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the present application, and cannot be understood as a limitation of the present application.

[0027] In the description of the present application, it should be understood that, if the orientation description is involved, for example, the orientation or position relationship indicated by the upper, lower, front, rear, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0028] In the description of the present application, if the words such as several, greater than, less than, more than, above, below, within, etc. appear, wherein the meaning of several is one or more, the meaning of more than two is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, within, etc. are understood as including the number.

[0029] If the first and the second are described, they are only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or the sequence of the indicated technical features.

[0030] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be understood in a broad sense, and the skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0031] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , a motor outer rotor combined magnetic ring comprises a metal ring 100, a magnetic tile 200 and a rubber shell 300, the magnetic tile 200 is provided with a plurality of, the rubber shell 300 is in a ring structure and comprises an upper shell 310 and a lower shell 320, the upper shell 310 is located on the upper side of the lower shell 320 and is detachably connected with the lower shell 320, the rubber shell 300 is provided with a first installation space 301 and a second installation space 302, the first installation space 301 is in a ring shape, the metal ring 100 is installed in the first installation space 301, the second installation space 302 is provided with a plurality of corresponding to the magnetic tile 200 and is uniformly and interval distributed along the ring direction of the rubber shell 300, and the plurality of magnetic tiles 200 are respectively and one-to-one installed in the plurality of second installation spaces 302.

[0032] It can be understood that, as Figure 2 ,Figure 3 and Figure 5 As shown, both the upper shell 310 and the lower shell 320 are annular. The upper shell 310 is located above the lower shell 320 and connected to it to form an annular structure of the housing 300. The housing 300 has an annular first mounting space 301 and multiple second mounting spaces 302. The multiple second mounting spaces 302 are evenly spaced along the annular direction of the housing 300, and multiple magnetic tiles 200 are respectively installed in the multiple second mounting spaces 302. By setting the housing 300 as a split structure, during production, the upper shell 310 and the lower shell 320 can be injection molded separately. After the upper shell 310 and the lower shell 320 cool and solidify, the upper shell 310, the lower shell 320, the magnetic tiles 200 and the metal ring 100 are assembled to install the magnetic tiles 200 and the metal ring 100 into the housing 300. Since the magnetic tile 200 and the metal ring 100 do not participate in the injection molding process, their temperature will not be high. Furthermore, the assembly of the magnetic ring can be carried out after the upper housing 310 and the lower housing 320 have cooled and solidified. This avoids the deformation of the plastic shell 300 due to the temperature of the magnetic tile 200 and the metal ring 100, which is beneficial to improving the product yield.

[0033] In practical applications, the specific structures of the metal ring 100, magnetic tile 200, and plastic shell 300 can be set according to actual usage needs, and will not be described in detail here. They will be explained in detail below.

[0034] In some embodiments, one of the upper housing 310 and the lower housing 320 is provided with a connecting post 311, and the other is provided with a corresponding connecting hole 321 that is inserted into and engaged with the connecting post 311.

[0035] Understandably, such as Figure 2 , Figure 3 and Figure 4 As shown, the connecting post 311 is located on the upper housing 310, and the connecting hole 321 is correspondingly located on the lower housing 320. When the upper housing 310 and the lower housing 320 are connected, the connecting post 311 and the connecting hole 321 are inserted into each other, thereby realizing the connection and fixation between the upper housing 310 and the lower housing 320 and their detachability. The structure is simple and easy to injection mold. In practical applications, the connecting post 311 can also be located on the lower housing 320, in which case the connecting hole 321 is correspondingly located on the upper housing 310. In addition to the above structure, the detachable connection between the upper housing 310 and the lower housing 320 can also be achieved through a snap-fit ​​structure or a threaded structure, which can be set according to the actual needs of use.

[0036] Furthermore, multiple connecting posts 311 are provided and evenly spaced along the annular direction of the housing 300, and multiple connecting holes 321 are provided corresponding to the connecting posts 311.

[0037] Understandably, such asFigure 2 and Figure 3 As shown in

[0038] In some embodiments, the upper part of the first mounting space 301 is arranged on the upper shell 310, and the lower part of the first mounting space 301 is arranged on the lower shell 320. The upper part and the lower part of the metal ring 100 are respectively inserted into the first mounting space 301 of the upper shell 310 and the lower shell 320.

[0039] It can be understood that, as shown in Figure 1 , Figure 2 and Figure 5 The upper shell 310 and the lower shell 320 are both provided with part of the first mounting space 301, so that when the metal ring 100 is installed in the first mounting space 301, the upper part and the lower part of the metal ring 100 are respectively inserted into the upper shell 310 and the lower shell 320. This is beneficial to improve the connection stability of the structure and facilitates the disassembly, removal and placement of the metal ring 100, and is convenient to use. In actual application, in addition to the above structure, the first mounting space 301 can also be entirely arranged on the lower shell 320, and the upper part thereof is an open structure, or entirely arranged on the upper shell 310, and the lower part thereof is an open structure. The specific arrangement can be determined according to actual needs.

[0040] In some embodiments, the annular outer side wall of the first mounting space 301 is provided with a protruding first limiting portion 303. The first limiting portion 303 abuts against the metal ring 100, so that there is a gap between the annular outer side wall of the first mounting space 301 and the outer side wall of the metal ring 100.

[0041] It can be understood that, as shown in Figure 2 , Figure 3 and Figure 4 The first limiting portion 303 is arranged on the annular outer side wall of the first mounting space 301, and protrudes inwardly of the rubber shell 300 and abuts against the metal ring 100. There is a gap between the annular outer side wall of the first mounting space 301 and the outer side wall of the metal ring 100, so as to reduce the contact area between the annular outer side wall of the first mounting space 301 and the outer side wall of the metal ring 100, which is beneficial to the installation and placement of the metal ring 100 and is convenient to use. In actual application, the specific structure, arrangement number and distribution position of the first limiting portion 303 can be determined according to actual needs.

[0042] In some embodiments, the metal ring 100 is provided with a through gap 101. As can be understood, Figure 2 and Figure 3 As shown, the metal ring 100 is provided with a gap 101 that penetrates the inner and outer sides of the metal ring 100, so that the metal ring 100 has a "C" type structure and has a certain deformation ability, which is beneficial to adapt to the size error of the first installation space 301, and can tightly grip the inner side wall of the first installation space 301, which is beneficial to improve the connection stability between the upper shell 310 and the lower shell 320, and is convenient to use. In actual application, the size of the gap 101 on the metal ring 100 can be set according to actual use needs.

[0043] In some embodiments, the upper part of the second installation space 302 is provided in the upper shell 310, and the lower part of the second installation space 302 is provided in the lower shell 320, and the upper and lower parts of the magnetic shoe 200 are respectively inserted into the second installation space 302 of the upper shell 310 and the lower shell 320.

[0044] As can be understood, Figure 1 , Figure 2 and Figure 5 As shown, the upper shell 310 and the lower shell 320 are both provided with part of the second installation space 302, so that when the magnetic shoe 200 is installed in the second installation space 302, the upper and lower parts of the magnetic shoe 200 are respectively inserted into the upper shell 310 and the lower shell 320, which is beneficial to improve the connection stability of the structure, and facilitates the disassembly, installation and placement of the magnetic shoe 200, and is convenient to use. In actual application, in addition to the above structure, the second installation space 302 can also be provided in the lower shell 320, and the upper part thereof is an open structure, or it can be provided in the upper shell 310, and the lower part thereof is an open structure. The specific setting can be made according to actual use needs.

[0045] In some embodiments, the second installation space 302 is located in the inner side of the first installation space 301 and communicates with the first installation space 301, and the magnetic shoe 200 is located in the inner side of the metal ring 100 and abuts against the metal ring 100.

[0046] As can be understood, Figure 2 , Figure 3 and Figure 5 As shown, the second installation space 302 is located in the inner side of the first installation space 301 and communicates with the first installation space 301, and when the magnetic shoe 200 is installed in the second installation space 302, the inner side of the metal ring 100 abuts against the magnetic shoe 200, thereby limiting the movement of the magnetic shoe 200 to the outer side of the rubber shell 300, which is beneficial to the installation and fixation of the magnetic shoe 200, and is convenient to use.

[0047] Further, the inner side of the ring of the glue shell 300 is provided with an opening 304 communicated with the second mounting space 302, the opening 304 is provided with a second limiting part 305, the second limiting part 305 abuts against the magnetic tile 200, so as to limit the magnetic tile 200 from separating from the second mounting space 302 through the opening 304.

[0048] It can be understood that, as shown in Figure 1 , Figure 2 and Figure 3 the inner side of the ring of the glue shell 300 is provided with a plurality of openings 304 corresponding to the second mounting space 302, the magnetic tile 200 mounted in the second mounting space 302 can be exposed from the inner side of the ring of the glue shell 300 through the opening 304, the two sides of the opening 304 are provided with the second limiting part 305, the second limiting part 305 abuts against the magnetic tile 200, so as to limit the magnetic tile 200 from separating from the second mounting space 302 through the opening 304, which is beneficial to the installation and fixation of the magnetic tile 200 and is convenient to use.

[0049] The ceiling fan motor according to the second aspect of the present application comprises the motor outer rotor combined magnetic ring according to the first aspect of the present application.

[0050] The ceiling fan motor according to the present application has a high yield rate and is beneficial to the manufacturing of the ceiling fan motor.

[0051] Since other components of the ceiling fan motor according to the present application are known to those skilled in the art, they will not be described in detail here.

[0052] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. An electric motor outer rotor combined magnetic ring, characterized by, The utility model relates to a magnetic ring, comprising: a metal ring; a plurality of magnetic tiles; a rubber shell, the rubber shell is annular structure and comprises an upper shell and a lower shell, the upper shell is located on the upper side of the lower shell and is detachably connected with the lower shell, the rubber shell is provided with a first installation space and a second installation space, the first installation space is annular, the metal ring is installed in the first installation space, the second installation space is provided with a plurality of corresponding magnetic tiles and is uniformly distributed along the annular direction of the rubber shell, and the plurality of magnetic tiles are respectively and one-to-one installed in the plurality of second installation spaces.

2. The motor external rotor combined magnetic ring according to claim 1, characterized in that, One of the upper shell and the lower shell is provided with a connecting column, and the other is provided with a connecting hole corresponding to the connecting column.

3. The motor external rotor combined magnetic ring according to claim 2, characterized in that, The connecting column is provided with a plurality of and is uniformly distributed along the annular direction of the rubber shell, and the connecting hole is provided with a plurality of corresponding to the connecting column.

4. The motor external rotor combined magnetic ring according to claim 1, characterized in that, The upper part of the first installation space is arranged on the upper shell, the lower part of the first installation space is arranged on the lower shell, and the upper part and the lower part of the metal ring are respectively inserted into the first installation space of the upper shell and the lower shell.

5. The motor external rotor combined magnetic ring according to claim 1, characterized in that, The outer side wall of the first installation space is provided with a protruding first limiting part, the first limiting part abuts against the metal ring, so that there is a gap between the outer side wall of the first installation space and the outer side wall of the metal ring.

6. The motor external rotor combined magnetic ring according to claim 1, characterized in that, The metal ring is provided with a through gap.

7. The motor external rotor combined magnetic ring according to claim 1, characterized in that, The upper part of the second installation space is arranged on the upper shell, the lower part of the second installation space is arranged on the lower shell, and the upper part and the lower part of the magnetic tile are respectively inserted into the second installation space of the upper shell and the lower shell.

8. The motor external rotor combined magnetic ring according to claim 1, characterized in that, The second installation space is located in the inner side of the first installation space and communicates with the first installation space, and the magnetic tile is located in the inner side of the metal ring and abuts against the metal ring.

9. The motor external rotor modular magnetic ring of claim 1, wherein, The inner side of the rubber shell is provided with an opening communicating with the second installation space, the opening is provided with a second limiting part, the second limiting part abuts against the magnetic tile, so as to limit the magnetic tile from separating from the second installation space through the opening.

10. A ceiling fan motor characterized by, The utility model relates to a magnetic ring, comprising: a metal ring; a plurality of magnetic tiles; a rubber shell, the rubber shell is annular structure and comprises an upper shell and a lower shell, the upper shell is located on the upper side of the lower shell and is detachably connected with the lower shell, the rubber shell is provided with a first installation space and a second installation space, the first installation space is annular, the metal ring is installed in the first installation space, the second installation space is provided with a plurality of corresponding magnetic tiles and is uniformly distributed along the annular direction of the rubber shell, and the plurality of magnetic tiles are respectively and one-to-one installed in the plurality of second installation spaces. One of the upper shell and the lower shell is provided with a connecting column, and the other is provided with a connecting hole corresponding to the connecting column. The connecting column is provided with a plurality of and is uniformly distributed along the annular direction of the rubber shell, and the connecting hole is provided with a plurality of corresponding to the connecting column. The upper part of the first installation space is arranged on the upper shell, the lower part of the first installation space is arranged on the lower shell, and the upper part and the lower part of the metal ring are respectively inserted into the first installation space of the upper shell and the lower shell. The outer side wall of the first installation space is provided with a protruding first limiting part, the first limiting part abuts against the metal ring, so that there is a gap between the outer side wall of the first installation space and the outer side wall of the metal ring. The metal ring is provided with a through gap. The upper part of the second installation space is arranged on the upper shell, the lower part of the second installation space is arranged on the lower shell, and the upper part and the lower part of the magnetic tile are respectively inserted into the second installation space of the upper shell and the lower shell. The second installation space is located in the inner side of the first installation space and communicates with the first installation space, and the magnetic tile is located in the inner side of the metal ring and abuts against the metal ring. The inner side of the rubber shell is provided with an opening communicating with the second installation space, the opening is provided with a second limiting part, the second limiting part abuts against the magnetic tile, so as to limit the magnetic tile from separating from the second installation space through the opening. The utility model relates to a magnetic ring, comprising: a metal ring; a plurality of magnetic tiles; a rubber shell, the rubber shell is annular structure and comprises an upper shell and a lower shell, the upper shell is located on the upper side of the lower shell and is detachably connected with the lower shell, the rubber shell is provided with a first installation space and a second installation space, the first installation space is annular, the metal ring is installed in the first installation space, the second installation space is provided with a plurality of corresponding magnetic tiles and is uniformly distributed along the annular direction of the rubber shell, and the plurality of magnetic tiles are respectively and one-to-one installed in the plurality of second installation spaces. The utility model relates to a magnetic ring, comprising: a metal ring; a plurality of magnetic tiles; a rubber shell, the rubber shell is annular structure and comprises an upper shell and a lower shell, the upper shell is located on the upper side of the lower shell and is detachably connected with the lower shell, the rubber shell is provided with a first installation space and a second installation space, the first installation space is annular, the metal ring is installed in the first installation space, the second installation space is provided with a plurality of corresponding magnetic tiles and is uniformly distributed along the annular direction of the rubber shell, and the plurality of magnetic tiles are respectively and one-to-one installed in the plurality of second installation spaces.

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