CN216959574U - Buckle formula fan blade subassembly and fan - Google Patents
Buckle formula fan blade subassembly and fan Download PDFInfo
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- CN216959574U CN216959574U CN202123351456.7U CN202123351456U CN216959574U CN 216959574 U CN216959574 U CN 216959574U CN 202123351456 U CN202123351456 U CN 202123351456U CN 216959574 U CN216959574 U CN 216959574U
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Abstract
The application relates to a buckle formula fan blade subassembly and fan. The buckle formula fan blade subassembly includes fan blade, fan blade fixed cowling, magnetic ring, motor shaft, stator winding and motor fixed plate, the center of fan blade is equipped with wheel hub, the fan blade fixed cowling with wheel hub block is connected, the magnetic ring sets up in the fan blade fixed cowling, the stator winding is fixed on the motor fixed plate and set up in the magnetic ring, the one end of motor shaft with fan blade fixed cowling fixed connection, the outside of motor shaft is equipped with the bearing housing. The device has the technical advantages of small volume, simple structure, convenience in manufacturing, installation and maintenance and low cost.
Description
Technical Field
The application relates to a buckle formula fan blade assembly and fan is applicable to air conditioning equipment's technical field.
Background
The fans in the prior art may be driven by dc motors or ac motors, respectively. Chinese patent application 200910193689.3 discloses a fan of a dc brushless motor, which includes fan blades and a dc brushless motor, wherein the fan blades are connected to a power output shaft of the dc brushless motor, a stator core and a stator winding are respectively disposed outside a shaft body connecting sleeve, the stator winding is disposed around the stator core, a magnetic ring is disposed outside the stator winding, and a magnetic cover is sleeved outside the magnetic ring; the stator core, the stator winding, the magnetic ring and the magnetic shield are sequentially disposed in the motor housing with respect to the motor shaft. The brushless DC motor comprises a motor shell, wherein a motor cover plate is connected to one side of the motor shell, and a shell connecting plate is connected to the other side of the motor shell. The motor shaft is rotatably inserted between the motor cover plate and the shell connecting plate, one end of the motor shaft is pivoted in the riveting head, and the other end of the motor shaft is rotatably connected in the motor shell by virtue of the first connecting bearing and the second connecting bearing. The structure of the motor in the patent is very complicated, so that the manufacturing cost and the installation cost are high; moreover, motor casing, motor apron and casing connecting plate in this patent are all fixed, in order to guarantee that magnetic ring and magnetic shield are rotatory, need carry out other auxiliary structure designs to lead to direct current motor's overall structure more complicated, the volume is bigger.
Therefore, there is a need in the art for a fan blade assembly and a fan that have a small size, a simple structure, more convenient manufacture, installation and maintenance, a lower cost, and a more beautiful appearance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a buckle formula fan blade subassembly and fan, it has small, simple structure, makes, installation and easy maintenance, with low costs technical advantage.
The utility model relates to a buckle formula fan blade subassembly, including fan blade, the fixed cover of fan blade, magnetic ring, motor shaft, stator winding and motor fixed plate, the center of fan blade is equipped with wheel hub, the fixed cover of fan blade with the wheel hub block is connected, the magnetic ring sets up in the fixed cover of fan blade, stator winding fixes on the motor fixed plate and set up in the magnetic ring, the one end of motor shaft with the fixed cover fixed connection of fan blade.
The fan blade fixing cover is characterized in that at least two buckling parts are arranged in the circumferential direction of the fan blade fixing cover, and at least two clamping grooves are formed in the hub; or at least two clamping grooves are formed in the circumferential direction of the fan blade fixing cover, and at least two clamping parts are arranged on the hub; during assembly, the clamping part can be clamped into the clamping groove.
The motor shaft and the fan blade fixing cover can be integrally formed by injection molding; a bearing sleeve can be arranged outside the motor shaft and can be arranged between the motor shaft and the motor fixing plate or between the motor shaft and the stator winding; the shapes of the magnetic ring and the fan blade fixing cover are matched and can be both cylindrical; the stator winding can be provided with four-pole stator slots, and the other end of the motor shaft can extend out of the fan blade fixing cover and extend into a middle cavity of the motor fixing plate.
The application also relates to a fan, which comprises a fan blade component, wherein the fan blade component can be the buckling type fan blade component, and the fan can be a ceiling fan, a table fan or a vertical fan.
According to a buckle formula fan blade subassembly and fan of this application, have following technical advantage:
(1) according to the motor, the fan blade fixing cover is connected in the hub of the fan blade in a buckling mode, and the end part of the motor shaft is fixedly connected to the fan blade fixing cover, so that the motor is smaller in size, concise and compact in appearance, the fixing cover and the fan blade are connected more firmly and firmly, and the assembly is simpler;
(2) the motor shaft and the fan blade fixing cover can be integrally injection-molded, so that the integral strength of a product is further improved, and the production and installation cost is further reduced;
(3) this application stator winding can be equipped with four pole stator slot, and the slot number is 4 for this application wire winding still less, the structure is simpler, the automated production and the installation of being convenient for.
Drawings
Fig. 1 is a schematic view of an external view of a snap-in fan blade assembly according to the present application.
Fig. 2 is an exploded view of the snap-in fan blade assembly of the present application.
Fig. 3 is a detailed structure schematic diagram of the fastening type fan blade assembly of the present application.
Fig. 4 is a schematic view of a blade fixing cover and a magnetic ring of the fastening type blade assembly of the present application.
Fig. 5 is a cross-sectional view of the snap-on fan assembly of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
As shown in fig. 1-5, a snap-in fan blade assembly according to the present application is shown, which is fixed to a support member by a bracket 9. The clamping type fan blade assembly comprises a fan blade 2, a fan blade fixing cover 3, a magnetic ring 4, a motor shaft 6, a stator winding 7 and a motor fixing plate 8, a hub 22 is arranged at the center of the fan blade 2, the fan blade fixing cover 3 is fixedly arranged in the hub 22, and the stator winding 7 is fixed on the motor fixing plate 8.
As shown in fig. 3-4, the blade fixing cover 3 and the hub 22 of the blade 2 are in snap fit connection, wherein at least two snap-fit portions 31 are arranged in the circumferential direction of the blade fixing cover 3, and at least two snap-fit grooves 23 are arranged on the hub 22. During assembly, the buckling part 31 of the fan blade fixing cover 3 is clamped into the clamping groove 23 of the hub 22, so that the fan blade fixing cover and the fan blade are fixedly connected. The buckling connection mode is adopted, so that the locking structure is tight in matching and simple in assembly, and the installation efficiency and the use safety of a product can be obviously improved; in addition, a fixing head is not required to be arranged on the outer side of the fan blade, so that the number of parts of a product is reduced, and the attractive effect of the product is improved. It should be noted that the arrangement of the fastening portion and the fastening groove may also be simply replaced, that is, the fastening groove is arranged on the blade fixing cover, and the fastening portion is arranged on the hub.
One end of the motor shaft 6 is fixedly connected with the fan blade fixing cover 3, preferably, the motor shaft 6 and the fan blade fixing cover 3 can be integrally injection-molded, the integral strength of a product is further improved, and the production and installation cost is reduced. The other end of the motor shaft 6 extends out of the fan blade fixing cover 3, so that the motor shaft 6 can drive the fan blade fixing cover 3 and the fan blade 2 to rotate. The end of the motor shaft 6 can extend into the middle cavity of the motor fixing plate 8, and the motor shaft 6 can rotate relative to the motor fixing plate 8. The magnetic ring 4 is fixedly arranged in the fan blade fixing cover 3, and the magnetic ring and the fan blade fixing cover can be installed in an interference fit mode. The magnetic ring 4 is matched with the fan blade fixing cover 3 in shape and can be cylindrical. The stator winding 7 is fixed on the motor fixing plate 8 and arranged in the magnetic ring 4, and the bearing sleeve 5 is arranged between the stator winding 7 and the motor fixing plate 8. Alternatively, the bearing sleeve 5 can also be arranged between the motor shaft 6 and the stator winding 7. When the fan blade fixing cover is used, the direct current motor drives the motor shaft 6 to rotate, and the motor shaft 6 drives the fan blade fixing cover 3, the magnetic ring 4 and the fan blade 2 to rotate together; the motor shaft 6 rotates relative to the motor fixing plate 8 through the bearing housing 5. In a preferred embodiment, the stator winding 7 can be provided with four-pole stator slots, and the number of the slots can be 4, so that the winding wire is fewer, the structure is simpler, and the automatic production and installation are convenient.
The application also relates to a fan, which comprises the buckling type fan blade component driven by the direct current motor. Other parts of the fan can adopt the prior art and are not described in detail. The fan in this application may be a ceiling fan, a desk fan or a stand fan.
Although the embodiments disclosed in the present application are described above, the descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.
Claims (10)
1. A buckle type fan blade assembly is characterized by comprising a fan blade, a fan blade fixing cover, a magnetic ring, a motor shaft, a stator winding and a motor fixing plate, wherein a hub is arranged at the center of the fan blade, the fan blade fixing cover is connected with the hub in a clamping mode, the magnetic ring is arranged in the fan blade fixing cover, the stator winding is fixed on the motor fixing plate and arranged in the magnetic ring, and one end of the motor shaft is fixedly connected with the fan blade fixing cover.
2. A snap-in fan blade assembly according to claim 1, wherein at least two snap-in portions are provided circumferentially of the fan blade fixing cover, and at least two snap-in grooves are provided on the hub; or at least two clamping grooves are formed in the circumferential direction of the fan blade fixing cover, and at least two buckling parts are arranged on the hub;
during assembly, the clamping part is clamped in the clamping groove.
3. A snap-on fan blade assembly according to claim 1 or 2, wherein the motor shaft and the fan blade fixing cover are integrally injection molded.
4. The snap-in fan blade assembly according to claim 3, wherein a bearing sleeve is disposed outside the motor shaft and between the motor shaft and the motor fixing plate, or between the motor shaft and the stator winding.
5. A snap-on fan blade assembly as claimed in claim 1, 2 or 4, wherein the shapes of the magnetic ring and the fan blade fixing cover are matched.
6. A snap-in fan blade assembly as claimed in claim 5, wherein the magnetic ring and the fan blade retaining cap are cylindrical.
7. A snap-in fan blade assembly according to claim 1, 2, 4 or 6, wherein the stator winding is provided with four-pole stator slots, the number of slots being 4.
8. A snap-in fan blade assembly according to claim 7, wherein the other end of the motor shaft extends out of the fan blade fixing cover and into a middle cavity of the motor fixing plate.
9. A fan comprising a blade assembly, wherein the blade assembly is the snap-fit blade assembly according to any one of claims 1 to 8.
10. The fan of claim 9, wherein the fan is a ceiling fan, a desk fan, or a stand fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123351456.7U CN216959574U (en) | 2021-12-28 | 2021-12-28 | Buckle formula fan blade subassembly and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123351456.7U CN216959574U (en) | 2021-12-28 | 2021-12-28 | Buckle formula fan blade subassembly and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216959574U true CN216959574U (en) | 2022-07-12 |
Family
ID=82312007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123351456.7U Active CN216959574U (en) | 2021-12-28 | 2021-12-28 | Buckle formula fan blade subassembly and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216959574U (en) |
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2021
- 2021-12-28 CN CN202123351456.7U patent/CN216959574U/en active Active
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